CN109062302A - Temperature and humidity control system based on Gas Refrigerator - Google Patents
Temperature and humidity control system based on Gas Refrigerator Download PDFInfo
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- CN109062302A CN109062302A CN201811245688.4A CN201811245688A CN109062302A CN 109062302 A CN109062302 A CN 109062302A CN 201811245688 A CN201811245688 A CN 201811245688A CN 109062302 A CN109062302 A CN 109062302A
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- temperature
- humidity
- gas refrigerator
- sink
- control system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of temperature and humidity control systems based on Gas Refrigerator, including the air supply tube and backwind tube be connected with environment, further includes: the sink being respectively turned on the air supply tube and blast pipe；The heater that air-supply inner air tube is heated；Gas Refrigerator for freezing to the water in sink.Temperature and humidity control system based on Gas Refrigerator of the invention, as cold source, is had the advantages of compact-sized, high-efficient and high reliablity, the constant control to environment temperature and humidity may be implemented using efficient Gas Refrigerator.
Description
Technical field
The present invention relates to a kind of refrigeration systems, are specifically related to a kind of temperature and humidity control system based on Gas Refrigerator.
Background technique
Humidity indicates the physical quantity of air drying degree, is primarily referred to as the content of steam in air.Humidity is close with temperature
It is connected, the steam contained in the air of certain volume at a certain temperature is fewer, then air is drier；Steam is more, then
Air is moister.Temperature and humidity is an important indicator of many life occasions and industrial occasions.Control for temperature or humidity
System is comparatively easy to accomplish, complex for the control of constant temperature and humidity.
It is more difficult especially for the control of constant temperature and humidity in some microenvironments, by taking the preservation of historical relic as an example, historical relic
It saves and display needs specific temperature and humidity environment.Storehouse high-volume is saved, it is current main empty by large-scale constant temperature and humidity
Adjusting system obtains；But for independent showcase, since its hot humidity load is smaller, arrange more dispersed, flexible therefore not applicable
Air is handled in large centralised air-conditioner set.Meanwhile different historical relics require to be not quite similar for ambient temperature and humidity, because
Temperature and humidity device is required to be independently arranged target temperature and humidity in this independent showcase, and realizes the accurate of microenvironment in cultural relics display case
Control.
Conditioner provisioned in museum's independence showcase only has constant humidity function mostly at present, does not have constant temperature function
Can, thus diurnal temperature fluctuations are larger, are unfavorable for the preservation of historical relic.Meanwhile the refrigerant system efficiency that showcase uses is lower, for a long time
Operation will lead to that operation cost is excessive, and low efficiency also makes systems bulky, and structure is complicated, is unfavorable for operating and mobile carry
Deng.
Summary of the invention
For problem existing for solution (cultural relics display case etc.) microenvironment Temperature and Humidity Control, the present invention provides one kind to be based on gas
The microenvironment temperature and humidity control system of refrigeration machine, it, as cold source, is in conjunction with refrigerating medium and electronic control using Gas Refrigerator
System realizes accurate control to microenvironment temperature and humidity in showcase, has high-efficient, compact-sized, the advantages that facilitating operation.
In order to solve the above technical problems, the present invention provides the microenvironment Temperature and Humidity Control systems as follows based on Gas Refrigerator
System:
A kind of temperature and humidity control system based on Gas Refrigerator, including the air supply tube and return air be connected with environment to be controlled
Pipe, further includes:
The sink being respectively turned on the air supply tube and blast pipe；
The heater that air-supply inner air tube is heated；
Gas Refrigerator for freezing to the water in sink.
By adopting the above technical scheme, test of many times can be carried out by emulation or in advance, then determines stable operation
Control parameter, so that control system of the invention realizes the stability contorting to environment to be controlled.
It is automatically controlled to realize, preferably, control system of the invention further includes warm and humid for detecting environment to be controlled
The Temperature Humidity Sensor of degree；
Controller receives the temperature-humidity signal of the Temperature Humidity Sensor, according to the temperature-humidity signal to heater and
Gas Refrigerator is controlled.
Control to water temperature in sink can be realized, and then realize to sky by controlling Gas Refrigerator using the present invention
The control of air humidity degree；The control to air themperature may be implemented by heater；Cooperate control Gas Refrigerator and heating simultaneously
The control to Environmental Incubator constant humidity may be implemented in device.
Heater can be arranged directly on air supply tube, can also be exchanged heat by the pipeline separately set.
The Temperature Humidity Sensor is connected by transmission line with the receiving end of controller, and the output end of controller passes through control
Route is connected with the control circuit or power supply of Gas Refrigerator and heater respectively.
In order to preferably exchange heat with water, preferably, further including the water conservancy diversion being arranged in sink close to backwind tube exit
Part, return air in backwind tube is horizontal after the conducting element to plunder the sink water surface and water carries out heat and mass.Sink is provided with air outlet
And return air inlet, air outlet are connect with the air-supply tube inlet, return air inlet and backwind tube outlet connect.
Preferably, the conducting element is deflector；Or the conducting element is the slit knot being arranged on the sink water surface
Structure, the narrow slit structure are connected with the air supply tube and backwind tube respectively.Return air passes through the deflector or narrow slit structure, with water
It carries out coming into full contact with heat exchange.
Preferably, further including the discharge pipe that top is fixed in sink by extensible member, the discharge pipe top outlet inlet
It is docked with air supply tube air inlet sealing, forms the narrow slit structure between the outlet air bottom of the tube and the water surface；The outlet air
It is equipped between bottom of the tube and the water surface and keeps the narrow slit structure buoyant member.Using the technical solution, it is ensured that when liquid in sink
When face reduces, slit mechanism can be under the cooperation of extensible member and the control of buoyant member, the slit width kept constant, guarantees heat exchange
Stablize.As further preferred, the buoyant member is several floating balls.
Preferably, being additionally provided with the temperature sensor for detecting water temperature in sink, the controller receives the temperature simultaneously
The temperature signal for spending sensor controls the Gas Refrigerator according to the temperature signal.
Preferably, being equipped with blower in the backwind tube or/and air supply tube.By blower, air flowing is further speeded up,
Improve temperature and humidity control efficiency.
Preferably, the controller includes:
First power regulating eqiupment is connected with the heater, for controlling the heating power of heater；
Second power regulating eqiupment is connected with the Gas Refrigerator, for controlling the input power of Gas Refrigerator；
Microprocessor is connected with the warm and humid sensor and temperature sensor, receives the warm and humid sensor and temperature passes
The signal of sensor, and control signal is exported respectively to the first power regulating eqiupment and the second power regulating eqiupment.
Warm and humid sensor and temperature sensor pass through transmission line respectively and are connected with the input terminal of the microprocessor, micro- place
The output end of reason device passes through transmission line respectively and is connected with the input terminal of first power regulating eqiupment and the second power regulating eqiupment.Described first
Power regulating eqiupment and the second power regulating eqiupment output end pass through control route respectively and are connected with the Gas Refrigerator and heater.
Preferably, the Gas Refrigerator is sterlin refrigerator.
Preferably, the cold head of the Gas Refrigerator, which is directly contacted with the water in the sink, carries out contact heat-exchanging (i.e.
The Gas Refrigerator cold head insertion sink is directly thermally connected with refrigerating medium in sink) or by heat exchange pipeline and the water
Water in slot carries out heat exchange or the heat exchange wall by the way that sink outer walls are arranged in exchanges heat.
Preferably, the Temperature and Humidity Control of one or more microenvironments for needing constant temperature and humidity.It is described in the present invention
" microenvironment " include but is not limited to cultural relics display case, climatic chamber, constant temperature and humidity container used to store, for reaction
Constant temperature and humidity reaction unit etc. relative closure, quantity are more and are not easy to temperature and humidity is more demanding using common air tune
The use occasion of regulating device.
Compared to the room temperatures temperature zone refrigerating system such as steam compression type, it is compact-sized that the present invention uses Gas Refrigerator to have,
The advantages that with small vibration and high-efficient, compact structure make the coupling of the microenvironments such as it and showcase more flexible；Gas Refrigerator
Easy to operate, high reliablity, be at present the Gas Refrigerator of representative without maintenance using sterlin refrigerator and vascular refrigerator
Service life was up to 10 years or more.
Preferably, being disposed with liquid level sensor in the sink, the controller receives the liquid of the liquid level sensor
Position signal simultaneously exports.Liquid level sensor is connected by route with the input terminal of the controller, by controller can export to
Display, or output is to alarm unit.Or export other control instructions etc..
Control system of the invention includes the air supply tube being connected with environment, backwind tube and heater, sink, gas system
Cold, controller and blower；Air supply tube, backwind tube are connected with sink outlet end, sink arrival end respectively, blower it is settable with give
In air hose or backwind tube；Refrigerating medium is thermally connected in Gas Refrigerator cold head and sink；Heater is arranged on air supply tube；Environment
Interior temperature and humidity is controlled by controller.
Further, the controller includes the first power regulating eqiupment, the second power regulating eqiupment, microprocessor.It is set in the sink
Water temperature sensor is set, water temperature sensor is connected with microprocessor input, and Temperature Humidity Sensor, temperature and humidity are arranged in the showcase
Sensor is connected with microprocessor input；First power regulating eqiupment adjusts the heating power of heater, the first power regulating eqiupment input
End is connected with output end of microprocessor, the input power of the second power regulating eqiupment regulating gas refrigeration machine, the second power regulating eqiupment input
End is connected with output end of microprocessor, realizes to control sink temperature to showcase humid control.
Compared with prior art, the beneficial effects of the present invention are embodied in:
Temperature and humidity control system based on Gas Refrigerator of the invention is using efficient Gas Refrigerator as cold source, tool
There is the advantages of compact-sized, high-efficient and high reliablity, the constant control to environment temperature and humidity may be implemented.
The present invention adjusts the input work and heater heat of refrigeration machine using power regulating eqiupment, may be implemented to microenvironment temperature and humidity
Accurate control.And the present invention uses Gas Refrigerator, the coupling and matching of realization and microenvironment that can be more convenient be complete
Beauty overcomes existing warm and humid control system.
Detailed description of the invention
Fig. 1 is a kind of structure of embodiment of the microenvironment temperature and humidity control system of the invention based on Gas Refrigerator
Schematic diagram.
Specific embodiment
For carrying out warm and humid control to cultural relics display case, the present invention is further described:
As shown in Figure 1: a kind of microenvironment temperature and humidity control system based on Gas Refrigerator include: showcase 1, air supply tube 3,
Heater 4, sink 5, Gas Refrigerator 6, controller 10, deflector 12, backwind tube 13 and blower 14；
Showcase 1 is equipped with air inlet and air outlet, and sink 5 is equipped with air outlet and return air inlet.The air outlet of showcase 1 passes through
Backwind tube 13 is connected with the return air inlet of sink 5, and the air outlet of sink 5 is connected by air supply tube 3 with the air inlet of showcase 1.
Backwind tube 13 is arranged in close to the part of the air outlet of showcase 1 in blower 14.Having heaters 4 is arranged on air supply tube 3, is led to
Cross heating of the realization of heater 4 to air-supply inner air tube.As another embodiment, blower 14 also can be set in air supply tube
In 3.
5 return air inlet of sink has been disposed about deflector 12, and the air in backwind tube enters sink 5 by deflector 12, and
It is horizontal under 12 water conservancy diversion of deflector to plunder the water surface and carry out heat and mass with the water inside sink；Deflector 12 is bottom end towards the water surface,
And it is obliquely installed along gas flow.As another embodiment, further include top by extensible member be fixed in sink out
Air hose, the discharge pipe top outlet inlet are docked with air supply tube air inlet sealing, are formed between the outlet air bottom of the tube and the water surface
Narrow slit structure；It is equipped between the outlet air bottom of the tube and the water surface and keeps the narrow slit structure buoyant member.The narrow slit structure constitutes
Above-mentioned deflector while playing water conservancy diversion, improves heat transfer and mass-transfer efficiency.Extensible member be typically chosen telescoping tube or other
Elastic telescopic part.
Gas Refrigerator 6 selects sterlin refrigerator, and cold head is placed in sink 5, by the water in cold quantity transmission feed trough；
Certainly, 6 cold head of Gas Refrigerator can also exchange heat with the water in sink by other means, for example can be arranged in water
Heat transfer pipe etc. can also be arranged in sink outer walls in heat transfer pipe.Conventional stirling refrigeration can be used in Gas Refrigerator 6
Machine can be the sterlin refrigerator of single-stage or multistage.
Controller 10 includes the first power regulating eqiupment 8, the second power regulating eqiupment 9, microprocessor 7.Setting water temperature senses in the sink
Device 11, water temperature sensor 11 are connected with 7 input terminal of microprocessor, and Temperature Humidity Sensor 2 is arranged in the showcase 1, and temperature and humidity passes
Sensor 2 is connected with 7 input terminal of microprocessor.First power regulating eqiupment, 8 output end is connected with the control circuit of heater, adjusts heater
Heating power, 8 input terminal of the first power regulating eqiupment is connected with 7 output end of microprocessor, 9 output end of the second power regulating eqiupment and gas
The control circuit of refrigeration machine 6 is connected, the input power of regulating gas refrigeration machine 6,9 input terminal of the second power regulating eqiupment and micro process
7 output end of device is connected, and realizes to control 5 temperature of sink to 1 humid control of showcase.
The working principle of this microenvironment temperature and humidity control system based on Gas Refrigerator are as follows: Gas Refrigerator produces after opening
Raw cooling capacity makes the water in sink gradually cool down, and the air in sink occurs caloic with water and exchanges, thus adjusting air humidity.It send
Having heaters is arranged on air hose, passes through the adjustable air themperature of heater.By process above, the temperature to air is completed
Wet process is admitted to showcase after reaching ventilation state point.Temperature Humidity Sensor is disposed in showcase, microprocessor receives temperature and humidity
The input signal of sensor is adjusted the output valve of two power regulating eqiupments using PID mode, and then changes the input work of Gas Refrigerator
The heating power of rate and heater adjusts air supply parameter, to realize the accuracy and stability that temperature and humidity value controls in showcase.
It certainly, can not also include humidity sensor, temperature sensor or control as a kind of simple embodiment
Device, at this point it is possible to determine the optimal operating parameter of Gas Refrigerator by l-G simulation test or preparatory test of many times.
Suitable for microenvironment of the invention, be not limited only to cultural relics display case, can also include other special articles showcase, other
The warm and humid space of the closing of use environment, such as some biological culture rooms etc. or medical humidity cabinet etc., can be used of the invention
Control system.
Claims (10)
1. a kind of temperature and humidity control system based on Gas Refrigerator, including the air supply tube and backwind tube be connected with environment to be controlled,
It is characterized by further comprising:
The sink being respectively turned on the air supply tube and backwind tube；
The heater that air-supply inner air tube is heated；
For carrying out cooling Gas Refrigerator to the water in sink.
2. the temperature and humidity control system according to claim 1 based on Gas Refrigerator, which is characterized in that further include:
For detecting the Temperature Humidity Sensor of ambient temperature and humidity to be controlled；
Controller receives the temperature-humidity signal of the Temperature Humidity Sensor, according to the temperature-humidity signal to heater and gas
Refrigeration machine is controlled.
3. the temperature and humidity control system according to claim 1 based on Gas Refrigerator, which is characterized in that further include setting
Close to the conducting element in backwind tube exit in sink, return air in backwind tube is horizontal after the conducting element to plunder the sink water surface and water
Carry out heat and mass.
4. the temperature and humidity control system according to claim 3 based on Gas Refrigerator, which is characterized in that the conducting element
For deflector；Or the conducting element is the narrow slit structure being arranged on the sink water surface, the narrow slit structure respectively with the air-supply
Pipe and backwind tube conducting.
5. the temperature and humidity control system according to claim 4 based on Gas Refrigerator, which is characterized in that further include top
It is fixed on the discharge pipe in sink by extensible member, which docks with air supply tube air inlet sealing,
The narrow slit structure is formed between the outlet air bottom of the tube and the water surface；It is equipped between the outlet air bottom of the tube and the water surface described in keeping
Narrow slit structure buoyant member.
6. the temperature and humidity control system according to claim 2 based on Gas Refrigerator, which is characterized in that be additionally provided with and be used for
The temperature sensor of water temperature in sink is detected, the controller receives the temperature signal of the temperature sensor simultaneously, according to described
Temperature signal controls the Gas Refrigerator.
7. the temperature and humidity control system according to claim 1 based on Gas Refrigerator, which is characterized in that the backwind tube
Or/and blower is equipped in air supply tube.
8. the temperature and humidity control system according to claim 6 based on Gas Refrigerator, which is characterized in that the controller
Include:
First power regulating eqiupment is connected with the heater, for controlling the heating power of heater；
Second power regulating eqiupment is connected with the Gas Refrigerator, for controlling the input power of Gas Refrigerator；
Microprocessor is connected with the warm and humid sensor and temperature sensor, receives the warm and humid sensor and temperature sensor
Signal, and by control signal exported respectively to the first power regulating eqiupment and the second power regulating eqiupment.
9. the temperature and humidity control system according to claim 1 based on Gas Refrigerator, which is characterized in that the gas system
Cold is sterlin refrigerator.
10. the temperature and humidity control system according to claim 1 based on Gas Refrigerator, which is characterized in that for needing
The Temperature and Humidity Control of one or more microenvironments of constant temperature and humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245688.4A CN109062302A (en) | 2018-10-25 | 2018-10-25 | Temperature and humidity control system based on Gas Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245688.4A CN109062302A (en) | 2018-10-25 | 2018-10-25 | Temperature and humidity control system based on Gas Refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN109062302A true CN109062302A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811245688.4A Pending CN109062302A (en) | 2018-10-25 | 2018-10-25 | Temperature and humidity control system based on Gas Refrigerator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588262Y (en) * | 2002-11-30 | 2003-11-26 | 海尔集团公司 | Air conditioner with electric heating pipe humidifier |
| US20090147810A1 (en) * | 2006-09-28 | 2009-06-11 | Hiroto Ishibashi | Method for controlling a temperature of a thermo-electric cooler and a temperature controller using the same |
| CN107166584A (en) * | 2017-05-18 | 2017-09-15 | 西安工程大学 | Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat |
| CN107307683A (en) * | 2017-08-23 | 2017-11-03 | 浙江省博物馆 | A kind of diffusion absorbing cultural relics display case constant humidity control system with self-watering function |
| CN108548234A (en) * | 2018-05-09 | 2018-09-18 | 杨厚成 | A kind of dehumidification module and heated dehumidifying wardrobe with acoustic energy refrigeration machine |
-
2018
- 2018-10-25 CN CN201811245688.4A patent/CN109062302A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588262Y (en) * | 2002-11-30 | 2003-11-26 | 海尔集团公司 | Air conditioner with electric heating pipe humidifier |
| US20090147810A1 (en) * | 2006-09-28 | 2009-06-11 | Hiroto Ishibashi | Method for controlling a temperature of a thermo-electric cooler and a temperature controller using the same |
| CN107166584A (en) * | 2017-05-18 | 2017-09-15 | 西安工程大学 | Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat |
| CN107307683A (en) * | 2017-08-23 | 2017-11-03 | 浙江省博物馆 | A kind of diffusion absorbing cultural relics display case constant humidity control system with self-watering function |
| CN108548234A (en) * | 2018-05-09 | 2018-09-18 | 杨厚成 | A kind of dehumidification module and heated dehumidifying wardrobe with acoustic energy refrigeration machine |
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Application publication date: 20181221 |