CN103703327A - Electronic temperature control apparatus, cooler using the same, heater using the same, and control method thereof - Google Patents

Electronic temperature control apparatus, cooler using the same, heater using the same, and control method thereof Download PDF

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Publication number
CN103703327A
CN103703327A CN201280036889.8A CN201280036889A CN103703327A CN 103703327 A CN103703327 A CN 103703327A CN 201280036889 A CN201280036889 A CN 201280036889A CN 103703327 A CN103703327 A CN 103703327A
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China
Prior art keywords
temperature
voltage
metal parts
target temperature
electrothermal module
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Granted
Application number
CN201280036889.8A
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Chinese (zh)
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CN103703327B (en
Inventor
李咏栽
牟昞宣
孙廷虎
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Coway Co Ltd
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Woongjin Coway Co Ltd
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Priority claimed from KR1020110073508A external-priority patent/KR101849079B1/en
Priority claimed from KR1020110076053A external-priority patent/KR101876215B1/en
Application filed by Woongjin Coway Co Ltd filed Critical Woongjin Coway Co Ltd
Publication of CN103703327A publication Critical patent/CN103703327A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/021—Control thereof
    • F25B2321/0212—Control thereof of electric power, current or voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/16—Sensors measuring the temperature of products

Abstract

An electronic temperature control apparatus a cooler using the same, a heater using the same, and a control method thereof are provided. The electronic temperature control apparatus includes: a thermoelectric module including a first metal member having one end in contact with an object and a second metal member having one end joined with the other end of the first metal member, a voltage applied to one end of the first metal member and the other end of the second metal member; a voltage supply unit supplying a first voltage or a variable voltage having a range from a second voltage to a third voltage to the thermoelectric module; and a controller controlling a voltage supplied to the thermoelectric module by the voltage supply unit according to a difference between a temperature of the object or the first metal member and a target temperature.

Description

Electronic light/temp controller, use this electronic light/temp controller cooler, use this electronic light/temp controller heater with and control method
Technical field
The present invention relates to a kind of by use the temperature of electrothermal module control object electronic light/temp controller, use this electronic light/temp controller cooler, use this electronic light/temp controller heater with and control method.
Background technology
Pyroelectric effect refers to the Conversion of Energy between heat and electricity, and when there is the temperature difference between the two ends of converting apparatus, the carrier in equipment moves to produce the phenomenon of electromotive force.
The research of pyroelectric phenomena was started from for 20th century in early days and obtained significant progress so that the Ioffe mechanism of the former Soviet Union obtains about 4% transformation efficiency, and current conversion efficiency is hovered about 10%.Pyroelectric phenomena can be divided into: Seebeck effect (Seebeck effect), and wherein electromotive force is by using the temperature difference between two parts to obtain; Peltier effect (Peltier effect), wherein carries out cooling and heating by electromotive force; And Thomson effect (Thomson effect), wherein electromotive force is that the temperature difference by conductor lines or band causes, and a kind of core technology of manufacturing process has been started to attract attention with regard to Material Field or systems technology.
According to the temperature range based on pyroelecthc properties, thermoelectric material can be divided into room temperature material, middle adiabator, high-temperature material.There is composition (Bi, Te) 2te 3and Bi 2(Te, Se) 3based on Bi 2te 3solid solution alloy there is splendid pyroelecthc properties.Use the thermoelectric-cooled of this thermoelectric material and module occurs to have a kind of structure, wherein N-shaped thermal power unit and p-type thermal power unit connected in electrical series and heat are in parallel.
In electrothermal module, when heat is transferred to low temperature parts due to the temperature difference between the two from high-temperature component, electronics and hole are transferred to low temperature parts from high-temperature component respectively in N-shaped thermal power unit and p-type thermal power unit, generating thus, and in electrothermal module, when making current flowing, because carrier moves, the cooling one side that occurs in, and heating occurs in opposite side, realizes thus cooling and heating.
The efficiency of electrothermal module is to be determined by the quantity of the pyroelecthc properties such as thermo-electromotive force, thermal conductivity or N-shaped or the impedance of p-type thermoelectric material and the thermal power unit of coupling.
In addition, use the cooling mechanism of electrothermal module to there is high-temperature response sensitiveness, allow part selectively cooling, and there is the not simple structure of Tape movement parts, and therefore by commercialization, be used for the Local cooling such as the electronic building brick of high-output power transistor, laser diode etc., and can be used for the common application of refrigerator-freezer, domestic refrigerator and air-conditioning etc. such as vehicle.
In addition, owing to using chlorofluorocarbon (CFC) to be subject to control in vehicle, family's air-conditioning and refrigerator etc., use the research and development of the air-conditioning system of thermoelectric material can be in order to cooling and without using cold-producing medium, shown especially and become promising field.
The fact that electrothermal module utilization is such,, when electric current flow to the circuit that comprises the knot between different materials, heat is because peltier effect is transferred to high-temperature region from low-temperature space.Based on this theory, can manufacture thermoelectric refrigerator by being connected in series a plurality of knots.
[summary of the invention]
[technical problem]
One aspect of the present invention provide a kind of by use the temperature of electrothermal module control object electronic light/temp controller, use this electronic light/temp controller cooler, use this electronic light/temp controller heater with and control method.
[technical scheme]
According to a further aspect in the invention, provide according to an aspect of the present invention a kind of, a kind of electronic light/temp controller is provided, comprising: electrothermal module, it comprises: the first metal parts, one end of this first metal parts contacts with object; And second metal parts, be combined with the other end of the first metal parts in one end of this second metal parts, and voltage is applied to one end of the first metal parts and the other end of the second metal parts; Voltage feed unit, by the first voltage or scope, the variable voltage from second voltage to tertiary voltage offers electrothermal module to this voltage feed unit; And controller, it controls according to the temperature of object or the first metal parts and the difference between target temperature the voltage that is offered electrothermal module by voltage feed unit, and wherein the first voltage is higher than tertiary voltage and be fixed voltage.
When the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, and when the temperature of object or the first metal parts and the temperature difference between target temperature are less than the first preset value, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
When the temperature of object or the first metal parts and the temperature difference between target temperature drop on preset range, controller can and target temperature and the temperature of object or the first metal parts between the temperature difference adjust pro rata the voltage that is provided for electrothermal module.
When the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller can control voltage feed unit so that the first voltage is offered to electrothermal module until the temperature of object or the first metal parts when arriving target temperature, and when the temperature of object or the first metal parts has arrived target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
Controller can compare the temperature of target temperature and object or the first metal parts, if the peak value of temperature is inverted, the connection status between one end of changeable the first metal parts of controller and the other end of the second metal parts is with the current potential peak value of one end of first metal parts that reverses and the other end of the second metal parts.
When controller is further by the temperature of the second metal parts or environment temperature and when target temperature is made comparisons and variable voltage is offered to electrothermal module to voltage feed unit, the amount of the variable voltage that controller recoverable provides.
When the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, when the temperature of object or the first metal parts and the temperature difference between target temperature are less than the first preset value, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module, and when the temperature of the second metal parts or the temperature difference between environment temperature and target temperature exceed the second preset value, controller can narrow preset range.
Electronic light/temp controller can further comprise the fan on the opposite side of the second metal parts that is arranged on electrothermal module.
When the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, controller can make fan rotate with First Speed, and when the temperature of object or the first metal parts and the temperature difference between target temperature drop in preset range, controller can make fan rotate with second speed, and wherein the comparable second speed of First Speed is faster.
Controller can detect the voltage that is offered electrothermal module by voltage feed unit, and carries out FEEDBACK CONTROL to offered the voltage of electrothermal module by voltage feed unit.
According to an aspect of the present invention, provide a kind of cooler, having comprised: memory cell, the object being cooled is intended in its storage; Electrothermal module, comprise the first metal parts and the second metal parts, one end of this first metal parts contacts or is arranged in memory cell with memory cell, be combined with the other end of the first metal parts and be arranged on outside memory cell in one end of this second metal parts, voltage is applied to one end of the first metal parts and the other end of the second metal parts; Voltage feed unit, by the first voltage and scope, the variable voltage from second voltage to tertiary voltage offers electrothermal module to this voltage feed unit; And controller, when the temperature of object or the first metal parts is during higher than target temperature, it is according to the poor voltage that is offered electrothermal module by voltage feed unit of controlling between the temperature of object or the first metal parts and target temperature, and wherein the first voltage is higher than tertiary voltage and be fixed voltage.
When the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, and when the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
When the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller can and target temperature and the temperature of object or the first metal parts between the temperature difference to electrothermal module, supply with pro rata.
When the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, and when the temperature of object or the first metal parts has arrived target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
When the temperature of object or the first metal parts is different from target temperature, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, when the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is equal to or less than target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts exceeds target temperature and during lower than the first preset value, controller can be controlled voltage feed unit so that tertiary voltage is offered to electrothermal module, and the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is while exceeding the first preset value, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module.
When the temperature of the second metal parts or the environment temperature of memory cell exceed target temperature one preset value, when voltage feed unit offers variable voltage the size of electrothermal module Time Controller recoverable variable voltage.
When the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, when the temperature of object or the first metal parts has lower than level from this preset range of target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module, and when the temperature of the second metal parts or the environment temperature of memory cell exceed target temperature and reach a preset value, controller can narrow this preset range.
Cooler can further comprise the fan on the opposite side of the second metal parts that is arranged on electrothermal module.
When the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller can make fan rotate with First Speed, and when the temperature of object or the first metal parts has lower than level from this preset range of target temperature, controller can second speed be controlled fan, and wherein First Speed is faster than second speed.
According to an aspect of the present invention, provide a kind of heater, having comprised: memory cell, heated object is intended in its storage; Electrothermal module, it comprises the first metal parts and the second metal parts, one end of this first metal parts contacts or is arranged in memory cell with memory cell, be combined with the other end of the first metal parts and be arranged on outside memory cell in one end of this second metal parts, voltage is applied to one end of the first metal parts and the other end of the second metal parts; Voltage feed unit, by the first voltage and scope, the variable voltage from second voltage to tertiary voltage offers electrothermal module to this voltage feed unit; And controller, when the temperature of object or the first metal parts is during lower than target temperature, it is according to the poor voltage that is offered electrothermal module by voltage feed unit of controlling between the temperature of object or the first metal parts and target temperature, and wherein the first voltage is higher than tertiary voltage and be fixed voltage.
When the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, and when the temperature of object or the first metal parts has the level exceeding from this preset range of target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
When the temperature of object or the first metal parts has the level exceeding from target temperature one preset range, controller can and target temperature and the temperature of object or the first metal parts between the temperature difference to electrothermal module, supply with pro rata.
When the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, and when the temperature of object or the first metal parts has arrived target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module.
When the temperature of object or the first metal parts is different from target temperature, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, when the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is equal to or higher than target temperature, controller can be controlled voltage feed unit so that variable voltage is offered to electrothermal module, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is lower than target temperature and while exceeding the first preset value, controller can be controlled voltage feed unit so that tertiary voltage is offered to electrothermal module, and the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is during lower than the first preset value, controller can be controlled voltage feed unit so that the first voltage is offered to electrothermal module.
According to a further aspect in the invention, a kind of control method of electronic light/temp controller is provided, this electronic light/temp controller comprises electrothermal module, this electrothermal module comprises the first metal parts and the second metal parts, this the first metal parts one end contacts with object, be combined with the other end of the first metal parts in this second metal parts one end, voltage is applied to one end of the first metal parts and the other end of the second metal parts, the method comprises: temperature setting operation is target temperature by the Temperature Setting of storage before or input; Temperature sensing operation, the temperature of sensed object or the first metal parts; Voltage mode is determined operation, by using temperature and the difference between target temperature of object or the first metal parts to determine it is that the first voltage is offered to electrothermal module or the variable voltage with the scope from second voltage to tertiary voltage is offered to electrothermal module; And voltage is selected operation, when determining the size of selecting variable voltage when variable voltage is offered to electrothermal module by the temperature with object or the first metal parts and the difference between target temperature, wherein the first voltage is higher than tertiary voltage and be fixed voltage.
Voltage mode determines that operation can comprise: constant-voltage mode operation, when the temperature of object or the first metal parts and the difference between target temperature drop on outside preset range, offers electrothermal module by the first voltage; And variable voltage pattern operation, when the temperature of object or the first metal parts and the difference between target temperature drop in preset range, variable voltage is offered to electrothermal module.
Voltage mode determines that operation can comprise: constant-voltage mode operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, by voltage feed unit, the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts arrives target temperature; And the operation of variable voltage pattern, when the temperature of object or the first metal parts has arrived target temperature, by voltage feed unit, variable voltage is offered to electrothermal module.
When the cooling object of electronic light/temp controller, voltage mode determines that operation can comprise: the first constant-voltage mode operation, when being different from target temperature, the temperature of object or the first metal parts, by voltage feed unit, the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts arrives target temperature; The first variable voltage pattern operation, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts offers electrothermal module by voltage feed unit by variable voltage during lower than target temperature; The second variable voltage pattern operation, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts exceeds target temperature and during lower than the first preset value, by voltage feed unit, tertiary voltage is offered to electrothermal module; And the second constant-voltage mode operation, the temperature that arrives target temperature and object or the first metal parts when the temperature of object or the first metal parts offers electrothermal module by voltage feed unit by the first voltage while exceeding target temperature.
At voltage, select in operation, can and target temperature and the temperature of object or the first metal parts between the temperature difference adjust pro rata the voltage that is provided for electrothermal module.
The control method of electronic light/temp controller can further comprise: operator scheme changes operation, the temperature of target temperature and object or the first metal parts is compared, and when the peak value of temperature has reversed according to result switched voltage feed unit relatively and the connection status between one end of the first metal parts and the other end of the second metal parts of electrothermal module.
At voltage, select in operation, when variable voltage being offered to electrothermal module by voltage feed unit, the size that can be further the temperature of the second metal parts or environment temperature and target temperature be compared to proofread and correct variable voltage.
Voltage mode determines that operation can comprise: constant-voltage mode operation, when the temperature of object or the first metal parts and the difference between target temperature drop on outside preset range, offers electrothermal module by the first voltage; And variable voltage pattern operation, when the temperature of object or the first metal parts and the difference between target temperature drop in preset range, variable voltage is offered to electrothermal module, and correct operation, when exceeding preset value, the temperature of the second metal parts or the temperature difference between environment temperature and target temperature narrow this preset range.
This electronic light/temp controller can further comprise the fan on the opposite side of the second metal parts that is arranged on electrothermal module, and the control method of electronic light/temp controller can further comprise: fans drive operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, fan is rotated with First Speed, and when the temperature of object or the first metal parts and the temperature difference between target temperature drop in this preset range, fan is rotated with second speed, wherein First Speed is faster than second speed.
The beneficial effect of the invention
As previously mentioned, according to the electronic light/temp controller of the embodiment of the present invention, use this electronic light/temp controller cooler, use this electronic light/temp controller heater with and the situation of control method under, can be by control the temperature that electrothermal module carrys out control object under low-power level and low noise.
Accompanying drawing explanation
Fig. 1 is the figure that the temperature-controlled process of general cooler or heater is shown;
Fig. 2 schematically shows the figure of the configuration of temperature control equipment in accordance with another embodiment of the present invention.
Fig. 3 illustrates according to the temperature of the object of the embodiment of the present invention and is provided for the curve map of the relation between the voltage of electrothermal module of electronic light/temp controller;
Fig. 4 is the curve map that the temperature of object is according to another embodiment of the present invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller;
Fig. 5 is the curve map that the temperature of object is according to another embodiment of the present invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller;
Fig. 6 is the curve map that the temperature of object is according to an embodiment of the invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller;
Fig. 7 and Fig. 8 illustrate respectively the flow chart of the control method of electronic light/temp controller according to an embodiment of the invention;
Fig. 9-11 are respectively to illustrate according to one embodiment of the invention, in the control method of electronic light/temp controller, to determine the detail flowchart of the process of voltage mode;
Figure 12 schematically shows the figure of the configuration of voltage feed unit in accordance with another embodiment of the present invention.
Figure 13 is the sequential chart that the operation of voltage feed unit according to an embodiment of the invention is shown.
Preferred forms
Hereinafter, describe with reference to the accompanying drawings embodiments of the invention in detail, so that they can be realized easily by those of skill in the art of the present invention.When description is of the present invention, if relevant known function or the detailed explanation of structure are considered to have passed on main points of the present invention, but such explanation will be left in the basket can be understood by those skilled in the art.
In order to make the present invention become clear, the irrelevant part of description will be removed, and represent parts identical in description with identical Reference numeral.
Unless be clearly described as on the contrary, term " comprises " and is interpreted as hint such as the distortion of " comprising " or " containing " and comprises stated element but do not get rid of any other element.
Fig. 1 is the figure that the temperature-controlled process of general cooler or heater is shown;
General cooler or heater comprise cooling unit and heating unit, once receive electric power, cooling unit and heating unit absorb ambient heat or radiations heat energy.Here, degree cooling or heating is proportional with the power that is provided for cooling unit or heating unit at last.Therefore, the temperature of general cooler or heater is controlled and can be provided for the voltage of cooling unit or heating unit or the size of electric current is reached by control.
Referring to Fig. 1 (a), in order to control temperature, voltage can pulsewidth modulation (PWM) mode be applied to cooling unit or heating unit.
Referring to Fig. 1 (b), can find out that voltage is applied to cooling unit or heating unit with phase control mode, and referring to Fig. 1 (c), can find out that voltage is applied to cooling unit or heating unit in zero passage mode.
When using AC electric power, adopt the scheme shown in Fig. 1 (b) and Fig. 1 (c), and when using DC electric power, adopt the scheme of Fig. 1 (a).In all control methods shown in Figure 1, by adjustment, execute the alive duration and control temperature.
At adjustment voltage, apply under the situation of duration, need to switch constantly to apply voltage.Yet, in handover operation, may there is a large amount of switch costs, waste thus electric power.In addition, potential quite a large amount of switch cost may cause considerable burden to cause the damage of circuit to voltage applying circuit.
Yet under many situations, heating unit or cooling unit generally need quite high power level, and the voltage providing or electric current need to have a small amount of ripple.For this reason, stable such as switch mode power supply (SMPS) provides high-power equipment to be used to temperature control equipment.
Yet in general, SMPS output constant voltage (i.e. fixing, uniform, regular voltage) is so that high voltage to be stably provided, and the SMPS of output variable voltage may be quite expensive.Thus, control heating unit or the heating of cooling unit or the method utilization of cooling degree and control the scheme being connected between SMPS and heating unit or cooling unit.That is,, under many situations, the heating of heating unit or cooling unit or cooling degree are by being used PWM to be controlled.
Yet as previously mentioned, the use that PWM controls causes a large amount of losses based on handover operation, the power that this is deteriorated tempestuously accounts for very large weight in small household appliance etc. is saved ability.
Thus, according to the electronic light/temp controller of the embodiment of the present invention, use electronic light/temp controller cooler, use electronic light/temp controller heater with and control method by changing according to temperature section, apply voltage to reduce switch cost.
Fig. 2 is the figure schematically showing according to the configuration of the temperature control equipment of the embodiment of the present invention.
Referring to Fig. 2, electronic light/temp controller can comprise electrothermal module 100, voltage feed unit 200 and controller 300 according to an embodiment of the invention.Electronic light/temp controller can further comprise fan 400 as required according to an embodiment of the invention.
Electrothermal module 100 comprises the first metal parts 110 and the second metal parts 120.Combined together so that the electric current of the first metal parts 110 and the second metal parts 120 flow to each other and shift heat between two metal parts.Here, consider one end combination of the other end of the first metal parts 110 and the second metal parts 120.One end of the first metal parts 110 contacts with needing the temperature controlled object object of its temperature (or need to control).When voltage is applied to one end of the first metal parts 110 and the other end of the second metal parts 120, electric current flows and heat transmission may occur between the first metal parts 110 and the second metal parts 120.Here, first terminal and the second terminal can be installed in respectively one end of the first metal parts 110 and the other end of the second metal parts 120.In electrothermal module 100, can determine the direction that heat is transmitted according to the sign that is applied in the voltage between one end of the first metal parts 110 and the other end of the second metal parts 120.That is to say, can determine the direction that heat is transmitted according to the height of the current potential of the other end of one end of the first metal parts 110 and the second metal parts 120.
Voltage feed unit 200 can provide the voltage in the first voltage or the scope from second voltage to tertiary voltage.That is, voltage feed unit 200 can be provided as the first voltage of constant voltage, or the variable voltage with the scope from second voltage to tertiary voltage is provided.Here, preferably, second voltage has the value less than tertiary voltage, and the first voltage is higher than the maximum variable value of tertiary voltage, variable voltage.That is, voltage feed unit 200 can be provided as the high voltage of constant voltage and as the low-voltage of variable voltage.When the voltage band of the scope along with variable voltage and variable voltage becomes higher and while thinking that the unit manufacturing cost that is difficult to design voltage feed unit 200 and voltage feed unit 200 rises, preferably, high voltage is provided as constant voltage and low-voltage is provided as variable voltage.
Controller 300 can be controlled from voltage feed unit 200 and provide to the voltage of electrothermal module 100 according to the temperature of object or the first metal parts 110 and the temperature difference between target temperature.That is, according to the temperature of the object as temperature controlled target, controller 300 can be by changing from the service voltage of voltage feed unit 200 temperature of control object.Here, if be difficult to the temperature of direct measuring object, the temperature that controller 300 can be by controlling the first metal parts 110 according to the temperature change of the first metal parts 110 from the service voltage of voltage feed unit 200 is with the equalized temperature with object.
Specifically, from an aspect of the output voltage of voltage feed unit 200, can whether exceed a preset value according to the temperature of object or the first metal parts 110 and the temperature difference between target temperature changes, and when voltage feed unit 200 provides variable voltage, the size (or amplitude) that controller 300 can be adjusted voltage according to the temperature of object or the first metal parts 110 and the temperature difference between target temperature.
In addition, controller 300 can be by further comparing environment temperature around of the temperature of the second metal parts 120 or the second metal parts 120 and target temperature to control the voltage that is offered electrothermal module 100 by voltage feed unit 200.
That is the heat that, controller 300 can exhale from object by further reflection radiation or absorption are reached the temperature of the second metal parts 120 of heat of object and the operation that the temperature of peripheral part of the second metal parts 120 is controlled electrothermal module 100.
In addition, controller 300 can be controlled according to the temperature difference between object or the first metal parts 110 and target temperature the rotating speed of the fan 400 of the other end that is arranged on the second metal parts 120.This be because the velocity of circulation of the second metal parts 120 surrounding air around according to the rotating speed of fan 400 and difference.
After this, according to one embodiment of the invention, the process by the controller 300 control object temperature of electronic light/temp controller is to realize by controlling the voltage that offers electrothermal module 100 from voltage feed unit 200.Yet, by the temperature of description object only, but also can be applicable to control the scheme of the temperature of the first metal parts 110.
Fig. 3 is the curve map that object temperature is according to an embodiment of the invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller.
Referring to Fig. 3, can check by using according to the electronic light/temp controller of the embodiment of the present invention and carry out object temperature when cooling and the relation between supply voltage.
When the temperature of object is during higher than target temperature Ts, can control and provide the voltage that is provided for electrothermal module 100 according to target temperature.When the temperature of object is during lower than target temperature Ts, to the voltage of electrothermal module 100, supply with and stop saving electric power and reduce noise.
Referring to Fig. 3, in electronic light/temp controller according to an embodiment of the invention, temperature and the temperature difference between target temperature Ts at object are equal to or greater than under the situation (a) of the first preset value Δ T, the first voltage V1 as constant voltage is provided for electrothermal module 100, and in this temperature difference, be less than under the situation of situation (b, c, d) of the first default value Δ T, the variable voltage changing from second voltage V3 to tertiary voltage V2 is provided for electrothermal module 100 with cooling object.
Referring to section b, in electronic light/temp controller according to an embodiment of the invention, when the temperature of object and the temperature difference between target temperature Ts are less than the first preset value Δ T, can and the temperature of object and the temperature difference between target temperature Ts adjust pro rata the size of voltage, and provide it to electrothermal module 100.
Referring to section c, in electronic light/temp controller according to an embodiment of the invention, when the temperature of object and the temperature difference between target temperature Ts arrive target temperature Ts, electronic light/temp controller is not worked, until the temperature of object changes a certain value from target temperature Ts, and when a certain value of temperature change of object, electronic light/temp controller can and the temperature of object and the temperature difference between target temperature Ts apply pro rata a voltage.This is in order to have reduced energy loss and the noise generation due to the frequencies operations of voltage feed unit 200.
Referring to section d, in electronic light/temp controller according to an embodiment of the invention, when the temperature of object is different from target temperature Ts, and the difference between the temperature of object and target temperature Ts applies a voltage pro rata, and when the temperature of object and the difference between target temperature Ts are equal to or greater than the first preset value Δ T, as the first voltage V1 of constant voltage, can be provided for electrothermal module 100.
Here, when tertiary voltage V2 is provided for electrothermal module 100, the first preset value Δ T can be a temperature, and the temperature that takes this object can arrive target temperature Ts in section sometime.That is, can consider tertiary voltage V2 and electrothermal module 100 thermal heat transfer capability set the first preset value Δ T.
Although not shown, controller 300 can provide to the voltage of electrothermal module 100 from voltage feed unit 200 by sensing, is offered the voltage of electrothermal module 100 with FEEDBACK CONTROL by voltage feed unit 200.; although sent for the signal of the voltage providing from voltage feed unit 200 is provided; but the voltage that offers electrothermal module 100 from voltage feed unit 200 can change due to many factors, controller 300 can be applied to electrothermal module 100 by the voltage of intention by FEEDBACK CONTROL thus.
When combination is during aforementioned control method, the temperature that controller 300 can analytic target and the temperature difference between target temperature Ts are to determine by providing high constant voltage to carry out quick cooling object or the variable voltage that low-voltage band is provided by providing carrys out cooling object lentamente.In addition, providing under the situation of variable voltage, can set by the temperature difference between the temperature with object and target temperature Ts the size of variable voltage.
Fig. 4 is the curve map that object temperature is according to another embodiment of the present invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller.
Referring to Fig. 4, according in the electronic light/temp controller of the present embodiment, temperature and the temperature difference between target temperature Ts at object are equal to or greater than under the situation (a) of the first preset value Δ T, the first voltage V1 as constant voltage can be offered to electrothermal module 100, and when the temperature of object arrives target temperature Ts, the variable voltage changing can be offered to electrothermal module 100 with cooling object from second voltage V3 to tertiary voltage V2.That is, to object, provide constant voltage sustainably, until the temperature of object arrives target temperature Ts, with quick cooling object thus, and when the temperature arrival target temperature Ts of object, can provide variable voltage to maintain cooling state.
Referring to section b, because the temperature of object drops in the scope of target temperature Ts and the first preset value Δ T, variable voltage can be provided for electrothermal module 100 so that the temperature of object is maintained in the scope of the first preset value Δ T.Here, the size of capable of regulating variable voltage, so that temperature and the temperature difference between target temperature Ts of itself and object are proportional, is provided for electrothermal module 100 thus.
As previously mentioned, when tertiary voltage V2 is provided for electrothermal module 100, the first preset value Δ T can be a temperature, and the temperature that takes this object can arrive target temperature Ts in section sometime.That is, can consider tertiary voltage V2 and electrothermal module thermal heat transfer capability set the first preset value Δ T.
When the aforementioned control method of combination, controller 300 can analytic target temperature and the difference between target temperature Ts and cooling record (or Cooling History) to determine by the high quick cooling object of constant voltage being provided or thering is the variable voltage of low-voltage band and cooling object lentamente by providing, and can set by the difference between the temperature with object and target temperature Ts the size of variable voltage.
Fig. 5 is the curve map that object temperature is according to another embodiment of the present invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller.
Referring to Fig. 5, can check by using according to the electronic light/temp controller of the embodiment of the present invention and carry out the temperature of object when cooling and the relation between supply voltage.For being provided for the voltage of the electrothermal module 100 of electronic light/temp controller according to an embodiment of the invention, when the temperature of object is during higher than target temperature Ts, constant voltage is provided, and when the temperature of object is during lower than target temperature Ts, can provides variable voltage.In addition, for being provided for the voltage of the electrothermal module 100 of electronic light/temp controller according to an embodiment of the invention, after the temperature of object arrives target temperature Ts, if the temperature of object is increased to and exceeds target temperature Ts and reach the first preset value Δ T or higher, again provide constant voltage.
That is,, when the temperature of object is during higher than target temperature Ts, be provided as high-tension constant voltage V1 with cooling fast.When the temperature of object arrives target temperature Ts, provide tertiary voltage V2 to maintain cooling state.When the temperature of object is during lower than target temperature Ts, can provide that to have the variable voltage of the scope from second voltage V3 to tertiary voltage V2 cold to prevent.Here, can and the temperature of object and the size that the temperature difference between target temperature Ts is selected variable voltage pro rata.When the temperature of object is increased to while exceeding the first preset value Δ T than target temperature Ts, can determine that this state of cooling cannot be by only providing tertiary voltage V2 to maintain, and constant voltage V1 can be provided again.
Fig. 6 is the curve map that object temperature is according to an embodiment of the invention shown and is provided for the relation between the voltage of electrothermal module of electronic light/temp controller.
Referring to Fig. 6, can check the temperature of the object while carrying out heating by use according to the electronic light/temp controller of the embodiment of the present invention and the relation between supply voltage.When the temperature of object is during lower than target temperature Ts, can control the voltage that is provided for electrothermal module 100 according to the temperature of object.On the contrary, when the temperature of object is during higher than target temperature Ts, to it, do not provide voltage, save thus electric power and reduce noise.
Referring to Fig. 6, according in the electronic light/temp controller of the present embodiment, when the temperature of object and the temperature difference between target temperature Ts are equal to or greater than the first preset value Δ T, the first voltage V1 as constant voltage can be provided for electrothermal module 100, and when the temperature of object arrives target temperature Ts, the variable voltage having from second voltage V3 to tertiary voltage V2 scope is provided for electrothermal module 100 with heating target.That is, to object, provide constant voltage sustainably, until the temperature of object arrives target temperature Ts with Fast Heating object thus, and when the temperature arrival target temperature Ts of object, can provide variable voltage to maintain the state of heating.
When the aforementioned control method of combination, controller 300 can analytic target temperature and the temperature difference between target temperature Ts and heating record (or adding thermal history) to determine by high constant voltage Fast Heating object being provided or thering is the variable voltage of low-voltage band and heating target lentamente by providing, and can derive by the difference between the temperature with object and target temperature Ts the size of variable voltage.
According to foregoing heating and cooling method, by high constant voltage and the voltage with relative low peaked variable strip zone is provided according to the temperature of the temperature of object or the first metal parts 110, can when increasing temperature control rate, promote electric power to save.
Under the situation of association area, due to handover operation be near target temperature, carry out to maintain a temperature, because voltage frequently applies with a large amount of switch costs of voltage interruption and will occur, and especially in this handover operation, amount of heat can produce from voltage feed unit 200, and this involves the risk of fire.
Yet, in the present embodiment, as previously mentioned, with constant voltage, carrying out heating or cooling until after target temperature, this target temperature is controlled to maintain by a variable voltage.Thus, because handover operation is not performed, therefore can reduce significantly the risk of the power dissipation being caused by handover operation and the fire being caused by heating.
In addition, unlike the situation shown in Fig. 3-Fig. 5, in the time of in the temperature of object is controlled to maintain above and below a preset range of target temperature, cooling both all need to carry out on object with heating.In detail, because the direction of heat transmission is to be determined by the potential difference between electrothermal module 100 two ends, just (+) utmost point of voltage feed unit 200 and the connection of negative (-) utmost point that therefore can be connected to one end of the first metal parts 110 and the other end of the second metal parts 120 by changes are exchanged cooling and heat.
Can design the corresponding embodiment of cooling means is put on to heating means by change.
In addition, although not shown, when the temperature of the temperature of the second metal parts 120 or the air that contacts with the other end of the second metal parts 120 and target temperature form marked difference, need high-temperature control ability.Thus, in this case, from voltage feed unit 200, provide to the magnitude of voltage of the electrothermal module 100 electronic light/temp controller and need to be corrected.That is, can make rise a certain amount or rise with a certain speed of service voltage value, or can rise and wherein apply the section of high constant voltage.
In order to increase the section that wherein applies constant voltage, can reduce the first preset value.In other words, when the temperature of the second metal parts 120 or the temperature difference between environment temperature and target temperature exceed the second predeterminated voltage, can reduce the first preset value.In addition, when having a narrow range of temperature between the temperature of the second metal parts 120 or environment temperature and target temperature, the first preset value can raise.
After this, description is utilized to the control method of the electronic light/temp controller of aforementioned temperature control program.
Fig. 7 and Fig. 8 illustrate respectively the flow chart of the control method of electronic light/temp controller according to an embodiment of the invention;
According to the electronic light/temp controller of the embodiment of the present invention, can comprise electrothermal module 100, and the voltage that control method can be applied to electrothermal module 100 by adjustment is according to an embodiment of the invention carried out.
By referring to Fig. 7 and Fig. 8, the control method of electronic light/temp controller can comprise that Temperature Setting operation 10, temperature sensing operation 20, voltage mode determine that operation 30 and voltage selects operation 40 according to an embodiment of the invention.
In Temperature Setting operation 10, can be target temperature by the Temperature Setting of storage before or input.That is, can set the target temperature that a goal-selling temperature or user want.
In temperature sensing operation 20, can sensed object or the temperature of the first metal parts 110.Temperature sensing can be carried out by serviceability temperature sensor.
At voltage mode, determine in operation 30, by using object or the temperature of the first metal parts 110 and the temperature difference between target temperature, can determine the first voltage is offered to electrothermal module 100 or the variable voltage having from second voltage to tertiary voltage scope is offered to electrothermal module 100.Preferably, the first voltage can and can have constant magnitude of voltage higher than tertiary voltage.For example, when the temperature of object or the first metal parts 110 and the temperature difference between target temperature are equal to or greater than the first preset value, can apply high constant voltage rapidly the temperature of object is adjusted to target temperature, and when the temperature of object or the first metal parts 110 and the temperature difference between target temperature are less than the first preset value, apply variable voltage the temperature of object is maintained under target temperature and do not cause switch cost.
At voltage, select in operation 40, when the temperature of object or the first metal parts 110 and the temperature difference between target temperature are equal to or greater than the first preset value, can by use the temperature of object or the first metal parts 110 and the temperature difference between target temperature at second voltage to the variable voltage value of selecting to intend being applied to electrothermal module 100 in the scope of tertiary voltage.
Fig. 9-11 are respectively to illustrate according to one embodiment of the invention, in the control method of electronic light/temp controller, to determine the detail flowchart of the process of voltage mode.
Referring to Fig. 9, at the voltage mode of electronic light/temp controller according to an embodiment of the invention, determine in operation 30 can whether be equal to or greater than the first preset value according to the temperature of object or the first metal parts 110 and the difference between target temperature and determine voltage mode.
In detail, voltage mode determines that operation 30 can comprise: determine operation 31, whether its temperature and difference between target temperature of determining object or the first metal parts 110 is equal to or greater than the first preset value; Constant-voltage mode operation 33, when its temperature when object or the first metal parts 110 and the temperature difference between target temperature are equal to or greater than the first preset value, output is as the first voltage of constant voltage; And variable voltage pattern operation 35, it is set in the arbitrary voltage in the scope from second voltage to tertiary voltage and applies this voltage when the temperature difference between object or the first metal parts 110 and target temperature is less than the first preset value.According to the voltage mode of the electronic light/temp controller based on one embodiment of the invention shown in Fig. 7, determine operation 30, can promptly the temperature of object or the first metal parts 110 be adjusted to target temperature and make within it drops on the first preset value.
Referring to Fig. 9, voltage mode at electronic light/temp controller is according to an embodiment of the invention determined in operation 30 whether to be equal to or greater than the first preset value or to determine voltage mode according to current voltage pattern according to the temperature of object or the first metal parts 110 and the temperature difference between target temperature.
In detail, voltage mode determines that operation 30 can comprise: determine operation 31, whether its temperature and difference between target temperature of determining object or the first metal parts 110 is equal to or greater than the first preset value; Constant-voltage mode operation 33, when its temperature when object or the first metal parts 110 and the temperature difference between target temperature are equal to or greater than the first preset value, output is as the first voltage of constant voltage, until the temperature of object or the first metal parts 110 arrives target temperature; Operation 34, whether its temperature of determining object or the first metal parts 110 has arrived target temperature; And variable voltage pattern operation 35, it is set in the arbitrary voltage in the scope from second voltage to tertiary voltage and applies this voltage when the temperature difference between object or the first metal parts 110 and target temperature is less than the first preset value.According to the voltage mode of the electronic light/temp controller based on the embodiment of the present invention, determine operation 30, can promptly the temperature of object or the first metal parts 110 be adjusted to target temperature and make within it drops on the first preset value.
According to the voltage mode of the electronic light/temp controller based on the embodiment of the present invention shown in Fig. 9, determine operation 30, can promptly the temperature of object or the first metal parts 110 be adjusted to target temperature.
Referring to Figure 11, at the voltage mode of electronic light/temp controller according to an embodiment of the invention, determine in operation 30 can whether equal target temperature according to the temperature of object or the first metal parts 110, according to current current-mode and whether be equal to or greater than the first preset value according to the temperature of object or the first metal parts 110 and the temperature difference between target temperature and determine voltage mode.
In detail, voltage mode determines that operation 30 can comprise: determine operation 31, it determines whether the temperature of object or the first metal parts 110 equates with target temperature; The first constant-voltage mode operation 33, when its temperature when object or the first metal parts 110 is not equal to target temperature, output is as the first voltage of constant voltage; Operation 34, it determines whether the temperature of object or the first metal parts 110 equates with target temperature; The first variable voltage pattern operation 35, when the temperature that its temperature when object or the first metal parts 110 has arrived target temperature and object or the first metal parts 110 is equal to or less than target temperature, the arbitrary voltage within the scope of setting from second voltage to tertiary voltage by voltage feed unit also provides this voltage; Operation 36, whether temperature and the temperature difference between target temperature of its detected object or the first metal parts 110 exceed the first preset value; The second constant-voltage mode operation 37, when the temperature that its temperature when object or the first metal parts 110 has reached target temperature and object or the first metal parts 110 exceeds the first preset value, by voltage feed unit, the first voltage is offered to electrothermal module 100; And operation 38, it determines by the second constant-voltage mode operation whether the temperature of object or the first metal parts 110 has arrived target temperature.Although not shown, voltage mode determines that operation 30 can further comprise the second variable voltage pattern operation, when the temperature that its temperature when object or the first metal parts 110 has arrived target temperature and object or the first metal parts 110 exceeds target temperature and is equal to or less than the first preset value, by voltage feed unit, tertiary voltage is offered to electrothermal module 100, it is different from the first variable voltage pattern.Voltage mode shown in Figure 11 determines that operation 30 can be only for heating operation or cooling down operation.
Although not shown in Fig. 9-11, yet can further comprise that according to the control method of the electronic light/temp controller of the embodiment of the present invention fan 400 drives operation, when the temperature of object or the first metal parts 110 and the temperature difference between target temperature drop on outside preset range, the fan 400 that this operation makes to be arranged on second metal parts 120 other ends rotates with First Speed, and when the temperature of object or the first metal parts 110 and the temperature difference between target temperature drop in preset range, fan 400 is rotated with second speed.Here, preferably, First Speed is faster than second speed.
Hereinafter, description is configured to by using electronic light/temp controller according to an embodiment of the invention that the method that cold water is provided under the situation of water purifier of cold water is provided.
The pure water box of water purifier can comprise: box main body, and this box main body is made by synthetic resin and is had an entrance and exit; And electrothermal module, wherein one end of the first metal parts 110 is connected to an open side of box main body hermetically.The opposite side of the second metal parts 120 of electrothermal module 100 exposes to outside, and fan 400 is attached to this opposite side of the second metal parts 120.
When the target temperature of hypothesis cold water is controlled in 5.5 ℃, the first preset value is set to 2 ℃, and the first voltage is set to 21V, and second voltage is set to 8.5V, and tertiary voltage is set to 12V.Arbitrary value between the temperature of the target temperature of cold water within the scope of can being set to from 0 ℃ to 7 ℃.In addition, can be set as the arbitrary value between the temperature within the scope of from 0 ℃ to 2 ℃.Yet here preferably, the temperature of cold water does not exceed 10 ℃.
When cooling down operation starts, the temperature of the pure water in pure water box equals room temperature.Thus, due to different from target temperature, can carry out cooling pure water rapidly by the first voltage being applied to electrothermal module 100.When having arrived target temperature through the temperature of a certain period and pure water, second voltage can be offered to electrothermal module 100 to maintain the temperature of cold water.
Yet, can be by change the temperature of cold water such as many factors such as environment temperatures, here, when the temperature of cold water drops to 2 ℃, during lower than target temperature, can stop voltage and supply with.When the temperature of cold water is within the scope of from 5 ℃ to 7 ℃, still apply tertiary voltage.
Yet, when the temperature of cold water arrives 7 ℃, can apply the first voltage as constant voltage with cooling cold water.
In addition, if desired capable of regulating second voltage so that it is reduced to 5V.
Can carry out FEEDBACK CONTROL to be applied to the voltage of electrothermal module 100 be target voltage, and can measure consumed electric current and carry out FEEDBACK CONTROL, so that the performance of the thermal heat transfer capability of electrothermal module 100 is at target level (if desired).
In addition, configuration and the operation of the voltage feed unit 200 of electronic light/temp controller are according to an embodiment of the invention described with reference to the accompanying drawings.
Figure 12 is the figure schematically showing according to the configuration of the voltage feed unit of the embodiment of the present invention.
Referring to Figure 12, voltage feed unit 200 can comprise constant voltage generator 210, variable voltage generator 220 and voltage controller 230.Voltage feed unit 200 can further comprise any in switch element 240 and sense of current controller 250.
Once constant voltage generator 210 receives power from voltage source and produces the first voltage out1.The the first voltage out1 that is produced and exported by constant voltage generator 210 has a small amount of ripple and this constant voltage generator 210 can provide high power.That is, constant voltage generator 210 is to provide the assembly of high-quality constant voltage.If necessary, constant voltage generator 210 can be by realizing with SMPS.
Once receive the first voltage out1 being produced by constant voltage generator 210, variable voltage generator 220 can produce the variable voltage out2 with the scope from second voltage to tertiary voltage according to the second control signal ctrl2.That is, variable voltage generator 220 can convert the first voltage out1 to the arbitrary voltage out2 corresponding with the second control signal ctrl2, here, through the voltage out2 of conversion, can be comprised in the scope from second voltage to tertiary voltage.If necessary, variable voltage generator 220 can be by realizing with DCDC converter, and the second control signal ctrl2 can be for controlling the signal of the voltage conversion ratio of DCDC converter.Here, the first voltage can be higher than the voltage of tertiary voltage and can be constant voltage.That is, voltage feed unit 200 can will offer electrothermal module 100 as high-tension constant voltage according to an embodiment of the invention, or the variable voltage with relative low-voltage band is provided.
Where necessary, the lead-out terminal of constant voltage generator 210 and variable voltage generator 220 can be connected to form annular, and voltage can export electrothermal module 100 to from connecting the node of two terminals.That is,, from connecting the node of two lead-out terminals, the first voltage out1 or of having the variable voltage out2 from second voltage to tertiary voltage scope can be output.
The output that switch element 240 is arranged on constant voltage generator 210 be connected between the node of two lead-out terminals, and control from the first voltage out1 of constant voltage generator 210 outputs to the transfer that connects the node of two-terminal.Specifically, when connecting two lead-out terminals, the first voltage out1 is relatively high, if when the first voltage out1 shifts together with variable voltage thus simultaneously, can only shift the first voltage out1---the voltage that variable ratio voltage is higher, need thus to control the transfer of the first voltage out1.In order to control the first voltage out1, high voltage and high-power power supply, switch element 240 can be implemented as power transistor or power fet.This is in order to prevent that switch element 240 is because high power signals is damaged or short circuit.
Sense of current controller 250 can be arranged on variable voltage generator 220 and connect between the node of two lead-out terminals, and controls an electric current so that it produces and only flow to from variable voltage generator 220 node that connects two lead-out terminals.That is, sense of current controller 250 can be implemented as the element that is used to form unidirectional current path.The example that is used to form the element in unidirectional current path can comprise diode, transistor etc., and can utilize these elements.
Specifically, when the first voltage from constant voltage generator 210 is transferred to the node that connects two lead-out terminals, lead-out terminal or the internal circuit of the variable voltage generator 220 that needs protection are not subject to the impact as high-tension the first voltage out1.In addition, because the first voltage is high voltage, there is the element of standing high voltage and high-power character and can be used as sense of current controller 250.
Voltage controller 230 can produce and export the first control signal ctrl1 whether to control the first voltage out1 of interrupt switch unit 240, maybe can produce and export the second control signal ctrl2 to control the voltage being produced by variable voltage generator 220.If necessary, voltage controller 230 can be by controlling the size of the voltage being produced by variable voltage generator 220 with the voltage level of the second control signal ctrl2.In addition, the second control signal ctrl2 can be output as data-signal, and this data-signal comprises that a plurality of positions are to provide the information of the voltage level about being produced by variable voltage generator 220.
According to the voltage feed unit 200 with aforementioned arrangements, selectively will offer electrothermal module 100 with the variable voltage with relative low-voltage band as high-tension constant voltage.
Figure 13 is the sequential chart that the operation of voltage feed unit according to an embodiment of the invention is shown.
Referring to Figure 13, voltage feed unit 200 can be controlled according to the first control voltage ctrl1 and second the voltage V0 of the node of voltage ctrl2 control connection two lead-out terminals.
Constant voltage out1 is output as the first voltage V1, no matter how the first control voltage ctrl1 and second controls voltage ctrl2.Variable voltage out2 is output as second voltage V2 and tertiary voltage V3 changeably according to the second control signal ctrl2.
For the voltage V0 that connects the node of two lead-out terminals, when applying the first control signal ctrl1, the first voltage V1 can export from node, and when applying the second control signal ctrl2 rather than applying the first control signal ctrl1, the variable voltage with the scope from second voltage V2 to tertiary voltage V3 can therefrom be output.
Although illustrate and described the present invention in conjunction with each embodiment, those skilled in the art is apparent that and can carries out various modifications and variations and not depart from the spirit and scope of the present invention that appended claims limits.

Claims (33)

1. an electronic light/temp controller, comprising:
Electrothermal module, described electrothermal module comprises the first metal parts and the second metal parts, first metal parts one end contacts with object, be combined with the other end of described the first metal parts in second metal parts one end, voltage is applied to one end of described the first metal parts and the other end of described the second metal parts;
Voltage feed unit, described voltage feed unit offers described electrothermal module by the first voltage or the variable voltage with the scope from second voltage to tertiary voltage; And
Controller, described controller is controlled the voltage that is offered described electrothermal module by described voltage feed unit according to the temperature of object or the first metal parts and the temperature difference between target temperature, and wherein the first voltage is higher than tertiary voltage and be a fixed voltage.
2. electronic light/temp controller as claimed in claim 1, it is characterized in that, when the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, and
When the temperature of object or the first metal parts and the temperature difference between target temperature are less than the first preset value, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
3. electronic light/temp controller as claimed in claim 2, it is characterized in that, when the temperature of object or the first metal parts and the temperature difference between target temperature drop in preset range, the temperature difference between the temperature of controller and target temperature and object or the first metal parts is adjusted the voltage that is provided for electrothermal module pro rata.
4. electronic light/temp controller as claimed in claim 1, it is characterized in that, when the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts arrives target temperature, and
When the temperature of object or the first metal parts has arrived target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
5. electronic light/temp controller as claimed in claim 1, it is characterized in that, controller compares the temperature of target temperature and object or the first metal parts, if the peak value of temperature is inverted, the connection status between one end of controller switching the first metal parts and the other end of the second metal parts is with the current potential peak value of one end of first metal parts that reverses and the other end of the second metal parts.
6. electronic light/temp controller as claimed in claim 1, it is characterized in that, when controller is further by the temperature of the second metal parts or environment temperature and when target temperature is made comparisons and variable voltage is offered to electrothermal module to voltage feed unit, controller is provided by the amount of the variable voltage providing.
7. electronic light/temp controller as claimed in claim 6, it is characterized in that, when the temperature of object or the first metal parts and the temperature difference between target temperature are equal to or greater than the first preset value, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module
When the temperature of object or the first metal parts and the temperature difference between target temperature are less than the first preset value, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module; And
When the temperature of the second metal parts or the temperature difference between environment temperature and target temperature exceed the second preset value, controller narrows preset range.
8. electronic light/temp controller as claimed in claim 1, is characterized in that, further comprises the fan on the opposite side of the second metal parts that is arranged on electrothermal module.
9. electronic light/temp controller as claimed in claim 8, is characterized in that, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, controller makes fan rotate with First Speed, and
When the temperature of object or the first metal parts and the temperature difference between target temperature drop in preset range, controller makes fan rotate with second speed, and wherein the comparable second speed of First Speed is faster.
10. electronic light/temp controller as claimed in claim 1, is characterized in that, controller detects and offers the voltage of electrothermal module by voltage feed unit, and carries out FEEDBACK CONTROL to offered the voltage of electrothermal module by voltage feed unit.
11. 1 kinds of coolers, comprising:
Memory cell, the object being cooled is intended in its storage;
Electrothermal module, it comprises the first metal parts and the second metal parts, described first metal parts one end contacts or is arranged in memory cell with memory cell, be combined with the other end of the first metal parts and be arranged on outside memory cell in described second metal parts one end, voltage is applied to one end of the first metal parts and the other end of the second metal parts;
Voltage feed unit, described voltage feed unit offers described electrothermal module by the first voltage or the variable voltage with the scope from second voltage to tertiary voltage; And
Controller, when the temperature of object or the first metal parts is during higher than target temperature, it controls the voltage that is offered electrothermal module by voltage feed unit according to the temperature of object or the first metal parts and the temperature difference between target temperature, wherein the first voltage is higher than tertiary voltage and be fixed voltage.
12. coolers as claimed in claim 11, it is characterized in that, when the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, and
When the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
13. coolers as claimed in claim 12, it is characterized in that, when the temperature of object or the first metal parts has lower than level from target temperature preset range, the temperature difference between the temperature of controller and target temperature and object or the first metal parts is supplied with to electrothermal module pro rata.
14. coolers as claimed in claim 11, it is characterized in that, when the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, and
When the temperature of object or the first metal parts has arrived target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
15. coolers as claimed in claim 11, it is characterized in that, when the temperature of object or the first metal parts is different from target temperature, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature
When the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is equal to or less than target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module,
The temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts exceeds target temperature and during lower than the first preset value, controller is controlled voltage feed unit so that tertiary voltage is offered to electrothermal module, and
When the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts exceeds the first preset value, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module.
16. coolers as claimed in claim 11, it is characterized in that, when the temperature of the second metal parts or the environment temperature of memory cell exceed target temperature one preset value, when voltage feed unit offers by variable voltage the size that electrothermal module Time Controller is proofreaied and correct variable voltage.
17. coolers as claimed in claim 16, is characterized in that, when the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module,
When the temperature of object or the first metal parts has lower than level from preset range described in target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module, and
When the temperature of the second metal parts or the environment temperature of memory cell exceed target temperature one preset value, controller narrows described preset range.
18. coolers as claimed in claim 11, is characterized in that, further comprise the fan on the opposite side of the second metal parts that is arranged on electrothermal module.
19. coolers as claimed in claim 18, is characterized in that, when the temperature of object or the first metal parts has the level being equal to or higher than from target temperature one preset range, controller makes fan rotate with First Speed, and
When the temperature of object or the first metal parts has lower than level from preset range described in target temperature, controller is controlled fan with second speed,
Wherein First Speed is faster than second speed.
20. 1 kinds of heaters, comprising:
Memory cell, heated object is intended in its storage;
Electrothermal module, it comprises the first metal parts and the second metal parts, described first metal parts one end contacts or is arranged in memory cell with memory cell, be combined with the other end of the first metal parts and be arranged on outside memory cell in described second metal parts one end, a voltage is applied to one end of the first metal parts and the other end of the second metal parts;
Voltage feed unit, described voltage feed unit offers described electrothermal module by the first voltage or the variable voltage with the scope from second voltage to tertiary voltage; And
Controller, when the temperature of object or the first metal parts is during lower than target temperature, it controls according to the temperature of object or the first metal parts and the temperature difference between target temperature the voltage that is offered electrothermal module by voltage feed unit,
Wherein the first voltage is higher than tertiary voltage and be fixed voltage.
21. heaters as claimed in claim 20, is characterized in that, when the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, and
When the temperature of object or the first metal parts has the level exceeding from preset range described in target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
22. heaters as claimed in claim 21, it is characterized in that, when the temperature of object or the first metal parts has the level exceeding from preset range described in target temperature, the temperature difference between the temperature of controller and target temperature and object or the first metal parts is supplied with to electrothermal module pro rata.
23. heaters as claimed in claim 20, it is characterized in that, when the temperature of object or the first metal parts has lower than level from target temperature one preset range, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature, and
When the temperature of object or the first metal parts has arrived target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module.
24. heaters as claimed in claim 20, it is characterized in that, when the temperature of object or the first metal parts is different from target temperature, controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts is when arriving target temperature
When the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is equal to or higher than target temperature, controller is controlled voltage feed unit so that variable voltage is offered to electrothermal module,
The temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is lower than target temperature and while exceeding the first preset value, and controller is controlled voltage feed unit so that tertiary voltage is offered to electrothermal module, and
The temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts is during lower than the first preset value, and controller is controlled voltage feed unit so that the first voltage is offered to electrothermal module.
The control method of 25. 1 kinds of electronic light/temp controllers, described electronic light/temp controller comprises electrothermal module, described electrothermal module comprises the first metal parts and the second metal parts, one end of described the first metal parts contacts with object, be combined with the other end of the first metal parts in one end of described the second metal parts, voltage is applied to one end of the first metal parts and the other end of the second metal parts, and described method comprises:
Temperature setting operation is target temperature by the Temperature Setting of storage before or input;
Temperature sensing operation, the temperature of sensed object or the first metal parts;
Voltage mode is determined operation, by using temperature and the temperature difference between target temperature of object or the first metal parts to determine it is that the first voltage is offered to electrothermal module or the variable voltage with the scope from second voltage to tertiary voltage is offered to electrothermal module; And
Voltage is selected operation, when determining the size of selecting variable voltage when variable voltage is offered to electrothermal module by the temperature with object or the first metal parts and the temperature difference between target temperature,
Wherein the first voltage is higher than tertiary voltage and be fixed voltage.
26. control methods as claimed in claim 25, is characterized in that, voltage mode determines that operation comprises:
Constant-voltage mode operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, offers electrothermal module by the first voltage; And
Variable voltage pattern operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop in described preset range, offers electrothermal module by variable voltage.
27. control methods as claimed in claim 25, is characterized in that, voltage mode determines that operation comprises:
Constant-voltage mode operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, by voltage feed unit, the first voltage is offered to electrothermal module, until the temperature of object or the first metal parts arrives target temperature; And
The operation of variable voltage pattern, when the temperature of object or the first metal parts has arrived target temperature, offers electrothermal module by voltage feed unit by variable voltage.
28. control methods as claimed in claim 25, is characterized in that, when the cooling object of electronic light/temp controller, described voltage mode determines that operation comprises:
The first constant-voltage mode operation offers electrothermal module by voltage feed unit by the first voltage when the temperature of object or the first metal parts is different from target temperature, until the temperature of object or the first metal parts arrives target temperature;
The first variable voltage pattern operation, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts offers electrothermal module by voltage feed unit by variable voltage during lower than target temperature;
The second variable voltage pattern operation, the temperature that has arrived target temperature and object or the first metal parts when the temperature of object or the first metal parts exceeds target temperature and by voltage feed unit, tertiary voltage is offered to electrothermal module during lower than the first preset value; And
The second constant-voltage mode operation, the temperature that arrives target temperature and object or the first metal parts when the temperature of object or the first metal parts offers electrothermal module by voltage feed unit by the first voltage while exceeding target temperature.
29. control methods as claimed in claim 25, is characterized in that, select in operation, and the temperature difference between target temperature and the temperature of object or the first metal parts are adjusted the voltage that is provided for electrothermal module pro rata at voltage.
30. control methods as claimed in claim 25, is characterized in that, also comprise:
Operator scheme changes operation, the temperature of target temperature and object or the first metal parts is compared, and when the peak value of temperature has reversed according to result switched voltage feed unit relatively and the connection status between one end of the first metal parts and the other end of the second metal parts of electrothermal module.
31. control methods as claimed in claim 25, it is characterized in that, at voltage, select, in operation, when variable voltage being offered to electrothermal module by voltage feed unit, the temperature of the second metal parts or environment temperature further to be compared to proofread and correct the size of variable voltage with target temperature.
32. control methods as claimed in claim 31, is characterized in that, voltage mode determines that operation comprises:
Constant-voltage mode operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, offers electrothermal module by the first voltage;
Variable voltage pattern operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop in preset range, offers electrothermal module by variable voltage; And
Correct operation narrows described preset range when the temperature of the second metal parts or the temperature difference between environment temperature and target temperature exceed preset value.
33. control methods as claimed in claim 25, is characterized in that, described electronic light/temp controller further comprises the fan on the opposite side of the second metal parts that is arranged on electrothermal module, and
The control method of described electronic light/temp controller further comprises: fans drive operation, when the temperature of object or the first metal parts and the temperature difference between target temperature drop on outside preset range, fan is rotated with First Speed, and when the temperature of object or the first metal parts and the temperature difference between target temperature drop in this preset range, fan is rotated with second speed, wherein First Speed is faster than second speed.
CN201280036889.8A 2011-07-25 2012-07-25 Electronic light/temp controller, use the cooler of this electronic light/temp controller, use the heater of this electronic light/temp controller and its control method Active CN103703327B (en)

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KR1020110073508A KR101849079B1 (en) 2011-07-25 2011-07-25 Electronic temperature control apparatus, cooler using the same, heater using the same, and control method thereof
KR10-2011-0073508 2011-07-25
KR1020110076053A KR101876215B1 (en) 2011-07-29 2011-07-29 Power supplier for thermoelectric module
KR10-2011-0076053 2011-07-29
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