CN101118080B - Central air-conditioning terminal intelligent dynamic constant-current control device - Google Patents
Central air-conditioning terminal intelligent dynamic constant-current control device Download PDFInfo
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- CN101118080B CN101118080B CN2007101309385A CN200710130938A CN101118080B CN 101118080 B CN101118080 B CN 101118080B CN 2007101309385 A CN2007101309385 A CN 2007101309385A CN 200710130938 A CN200710130938 A CN 200710130938A CN 101118080 B CN101118080 B CN 101118080B
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Abstract
The present invention relates to a control device of a central air conditioning terminal, belonging to the air conditioning control technical field. The device mainly comprises a fan coil, an electric control valve and a temperature controller, wherein the signal input terminal of the temperature controller is connected with a temperature sensor arranged at a specified position, and the control output terminal is connected with the controlled end of the electric control valve. A thermal power driver is arranged in the electric control valve, the thermal power driver comprises electric heating components connected with the control output terminal of the temperature controller and heat expansion components arranged near the electric heating components, one end of the heat expansion component is connected with the valve rod of the electric control valve through a union motion mechanism. In this way, the electric control valve is not directly controlled by the on-off control signal of the temperature controller, but the output of the temperature controller controls the temperature of the electric heating components, to control the expansion rate of the heat expansion components, and to control the opening degree of the valve rod through the union motion mechanism, as a result the traditional on-off temperature control way is thoroughly changed, and the accurate regulation of the outside temperature can be realized by the opening degree of a stepless adjusting-controlling valve, to achieve the purposes of energy source saving and an ideal air conditioning effect.
Description
Technical field
The present invention relates to a kind of valve control device, the control device that especially a kind of central air-conditioning is terminal belongs to the air conditioner controlling technology field.
Background technology
Understand according to the applicant; Existing central air-conditioning terminal usually mainly by be placed near the fan coil the fan outlet, motor-driven valve and the temperature controller that is installed in liquid coolant (the being generally water) pipeline formed; The signal input part of temperature controller connects the temperature sensor that is placed in desired location, and its control output end connects the controlled end of motor-driven valve.
During operation, temperature controller compares according to design temperature Ts and detecting temperature Tm, in case Tm greater than Ts, temperature controller is just exported control signal and is opened motor-driven valve, otherwise then closes motor-driven valve.The open defect that the control mode of this traditional air-conditioning exists is; The break-make of motor-driven valve can't make indoor temperature be stabilized on the Ts; Therefore brought comfortableness difference and energy waste problem, made the water conservancy balance of whole air-conditioning system be in the changeable and permanent state of mistake of pressure reduction often in addition.
Summary of the invention
The objective of the invention is to: the shortcoming to above prior art exists, propose a kind of central air-conditioning terminal intelligent dynamic constant-current control device that can make the controlled environment temperature stabilization, thereby save the energy in setting value, produce desirable comfort.
In order to reach above purpose; Central air-conditioning terminal intelligent dynamic constant-current control device of the present invention mainly by be placed near the fan coil the fan outlet, motor-driven valve and the temperature controller that is installed in liquid cold (or heat) matchmaker's pipeline formed; The signal input part of said temperature controller connects the temperature sensor that is placed in desired location, and its control output end connects the controlled end of motor-driven valve.Its improvements are: the thermodynamic-driven device is housed in the said motor-driven valve; Said thermodynamic-driven device contains the electrothermal device of jointing temp controller control output end and is placed near the thermal expansion part of electrothermal device, and an end of said thermal expansion part is connected with the valve rod of motor-driven valve through link gear.
Like this, motor-driven valve no longer directly is controlled by the break-make control signal of temperature controller, but controls the temperature of electrothermal device by the output of temperature controller; And then the swell increment of control thermal expansion part; Through the open degree of linkage structure control valve rod, the result has thoroughly changed traditional break-make temperature control method, can be by the open degree of stepless regulated valve again; Realize the accurate regulation and control of ambient temperature, reach the purpose of saving the energy, obtaining desirable air-conditioning effect.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
Embodiment one
The central air-conditioning terminal intelligent dynamic constant-current control device of present embodiment is as shown in Figure 1, and fan coil 1 is placed near the air outlet of blower fan 2, and two mouths of pipe connect respectively as the water inlet of liquid coolant and return pipe.Electric check valve 14 is housed in the inlet pipeline, is provided with flap 13 between its import and the outlet, the middle part of this flap 13 is fixedly connected with the valve rod lower end that can in valve body, move up and down.Thermodynamic-driven device 4 is installed on valve body top; The electricity heating sheet 11 that contains jointing temp controller control output end in this thermodynamic-driven device, and the thermal expansion chamber 10 that is placed in electricity heating sheet top, filling paraffin 9 in the thermal expansion chamber 10; The top of paraffin leans against the lower end of extruding bar 8; The STATEMENT OF FEDERALLY SPONSORED 7 of cap shape is withstood in the upper end of extruding bar 8, and the outside of this STATEMENT OF FEDERALLY SPONSORED is with spring 6 through the spring tray 5 of upper end, and the bottom is connected with the upper end of valve rod 12.
During work, the temperature sensor that temperature controller carries (NTC thermistor, its resistance value and the temperature value relation of being inversely proportional to) is the collecting temperature signal automatically, the AD/IO mouth of input single-chip microcomputer, and single-chip microcomputer compares indoor temperature Tm that collects and design temperature Ts.According to comparative result, constantly adjust the silicon controlled output voltage, thereby change the caloric value of the electricity heating sheet of thermodynamic-driven device.Inflating medium paraffin in the thermodynamic-driven device expansion chamber is with the breathing of electric heating variations in temperature, drives to extrude masthead and go out or withdraw, and under the mating reaction of spring, the valve rod of electric check valve is corresponding to move up and down.When extraneous room temperature is higher, will drives flap to top offset, and cold (heat) matchmaker flow is strengthened, otherwise then drive flap, reduce flow to bottom offset.The final purpose that realizes with the accurate regulating and controlling temperature of open degree of control electric check valve.
In addition, in the temperature controller another control output end of single-chip microcomputer also through drive circuit and three relays machine third gear rotating speed control line of giving a dinner for a visitor from afar.Can further realize the regulation and control of steady temperature according to the difference control rotation speed of fan of indoor temperature and setting value like this.Usually open high speed winds during more than or equal to 5 ℃ when the temperature difference, less than 5 ℃ and open middling speed during more than or equal to 3 ℃, less than 3 ℃ and unlatching low speed during greater than design temperature.
In a word; Present embodiment has following remarkable advantage: can be according to refrigeration (or heating) demand in each room; The air conditioner water flow of dynamic change is provided; Reduce the quantity of the water pump of turning on the aircondition, the water conservancy balance of coming systems stabilisation with dynamic refrigeration (or heating) demand that satisfies the room to greatest extent and minimum flowed fluctuation as far as possible; Room temperature controller is poor according to design temperature Ts and room temperature Tm, adopts different wind speed, has both solved the problem of the quick temperature adjustment in room, helps reducing the interference of fan noise to environment again; Can have remarkable energy saving effect fully satisfying under the prerequisite of user to the requirement of comfort level.
Except that the foregoing description, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on protection scope of the present invention.
Claims (5)
1. central air-conditioning terminal intelligent dynamic constant-current control device; Mainly by be placed near the fan coil the air outlet, motor-driven valve and the temperature controller that is installed in the liquid coolant pipeline formed; The signal input part of said temperature controller connects the temperature sensor that is placed in desired location; Its control output end connects the controlled end of motor-driven valve; It is characterized in that: the thermodynamic-driven device is housed in the said motor-driven valve, and said thermodynamic-driven device contains the electrothermal device of jointing temp controller control output end and is placed near the thermal expansion part of electrothermal device, and an end of said thermal expansion part is connected with the valve rod of motor-driven valve through link gear.
2. according to the said central air-conditioning terminal intelligent dynamic constant-current control device of claim 1; It is characterized in that: said motor-driven valve is an electric check valve; Be provided with flap between its import and the outlet; The middle part of said flap is fixedly connected with the valve rod lower end that can in valve body, move up and down, and the thermodynamic-driven device is installed on the valve body top of said stop valve.
3. according to the said central air-conditioning terminal intelligent dynamic constant-current control device of claim 2; It is characterized in that: the thermal expansion chamber of containing the electricity heating sheet of jointing temp controller control output end in the said thermodynamic-driven device and being placed in electricity heating sheet top; Filling paraffin in the said thermal expansion chamber; The top of said paraffin leans against the lower end of extruding bar; The STATEMENT OF FEDERALLY SPONSORED of cap shape is withstood in said upper end of extruding bar, and the outside of said STATEMENT OF FEDERALLY SPONSORED is with spring through the spring tray of upper end, and its underpart is connected with the upper end of valve rod.
4. according to the said central air-conditioning terminal intelligent dynamic constant-current control device of claim 3; It is characterized in that: the single-chip microcomputer that contains signal input part AD/IO mouth jointing temp sensor in the said temperature controller; One of control output end of said single-chip microcomputer connects controllable silicon through power circuit and photoelectric isolating circuit, and said controllable silicon is connected in the connecting circuit of electricity heating sheet coil and civil power.
5. according to the said central air-conditioning terminal intelligent dynamic constant-current control device of claim 4, it is characterized in that: another control output end of said single-chip microcomputer is also through drive circuit and three relays machine rotating speed control line of giving a dinner for a visitor from afar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101309385A CN101118080B (en) | 2007-09-03 | 2007-09-03 | Central air-conditioning terminal intelligent dynamic constant-current control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101309385A CN101118080B (en) | 2007-09-03 | 2007-09-03 | Central air-conditioning terminal intelligent dynamic constant-current control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101118080A CN101118080A (en) | 2008-02-06 |
| CN101118080B true CN101118080B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101309385A Expired - Fee Related CN101118080B (en) | 2007-09-03 | 2007-09-03 | Central air-conditioning terminal intelligent dynamic constant-current control device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103196214B (en) * | 2013-04-08 | 2015-05-06 | 青岛海信日立空调***有限公司 | Method for controlling indoor machine of air conditioner and indoor machine of air conditioner |
| CN113458712B (en) * | 2021-06-30 | 2022-04-05 | 兴化市金牛机械铸造有限公司 | Intelligent measurement and control heating device applied to processing of connecting shaft sleeve of metallurgical mechanical accessory |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220571Y (en) * | 1994-11-15 | 1996-02-21 | 金行志 | Temp. controlled valve |
| CN1667535A (en) * | 2005-04-29 | 2005-09-14 | 王占斌 | Circulating pump real time quantity regulation and control system |
| CN2729089Y (en) * | 2004-08-02 | 2005-09-28 | 西南交通大学材料科学与工程学院 | Gas multielement common disffusion control system |
| CN201093672Y (en) * | 2007-08-01 | 2008-07-30 | 陈旸 | Central air conditioner end intelligent dynamic state constant-current control apparatus |
-
2007
- 2007-09-03 CN CN2007101309385A patent/CN101118080B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220571Y (en) * | 1994-11-15 | 1996-02-21 | 金行志 | Temp. controlled valve |
| CN2729089Y (en) * | 2004-08-02 | 2005-09-28 | 西南交通大学材料科学与工程学院 | Gas multielement common disffusion control system |
| CN1667535A (en) * | 2005-04-29 | 2005-09-14 | 王占斌 | Circulating pump real time quantity regulation and control system |
| CN201093672Y (en) * | 2007-08-01 | 2008-07-30 | 陈旸 | Central air conditioner end intelligent dynamic state constant-current control apparatus |
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| CN101118080A (en) | 2008-02-06 |
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Granted publication date: 20120530 Termination date: 20120903 |