CN203704154U - Constant temperature and humidity set - Google Patents
Constant temperature and humidity set Download PDFInfo
- Publication number
- CN203704154U CN203704154U CN201420068050.9U CN201420068050U CN203704154U CN 203704154 U CN203704154 U CN 203704154U CN 201420068050 U CN201420068050 U CN 201420068050U CN 203704154 U CN203704154 U CN 203704154U
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- heat exchanger
- side heat
- constant temperature
- refrigerant
- compressor
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000002918 waste heat Substances 0.000 claims abstract description 40
- 238000005057 refrigeration Methods 0.000 claims abstract description 39
- 239000002826 coolant Substances 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims description 104
- 239000000523 sample Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a constant temperature and humidity set which comprises a heating component, a refrigeration component and a compressor. The heating component and the refrigeration component are both connected to the compressor through pipelines. The heating component comprises a solenoid valve, a waste heat side heat exchanger, a gas-liquid separation device and a pressure balance system, wherein the solenoid valve, the waste heat side heat exchanger, the gas-liquid separation device and the pressure balance system are connected through pipelines in sequence. The refrigeration component comprises a condenser, an injection valve and a refrigeration side heat exchanger, wherein the condenser, the injection valve and the refrigeration side heat exchanger are connected in sequence through pipelines. The compressor is connected to the solenoid valve, the pressure balance device and the condenser through pipelines, and the waste heat side heat exchanger is stacked on the refrigeration side heat exchanger. Gas state coolants are liquefied through the compressor and conveyed to the refrigeration side heat exchanger, the refrigeration side heat exchanger receives heat in the air to evaporate the liquid state coolants into gas state coolants, and the gas state coolants are then conveyed to the compressor to achieve a refrigeration effect. Heat exchanging between high pressure hot coolants and air is carried out in the waste heat side heat exchanger, the high pressure hot coolants are cooled into gas state hot coolants and liquid state hot coolants, and the gas state hot coolants are then conveyed to the compressor to achieve a heating effect.
Description
Technical field
The utility model relates to indoor equipment field, relates in particular to a kind of constant temperature and humidity unit.
Background technology
In recent years, the appearance of constant temperature and humidity unit, had met the requirement of user for indoor temperature and humidity, the accuracy of air while having improved greatly Precision Machining Workshop Production.
The warm and humid control functions such as constant temperature and humidity unit has refrigeration, heats, dehumidifying and humidification, can accurately be controlled at setting value by indoor temperature and humidity, and temperature and humidity is controlled accurately.Traditional constant temperature and humidity device, in the time accurately controlling the balance of temperature and humidity, all adopts electrical heating, and by the mode control humiture value of thermal compensation, electrically heated thermal source is from electric heating tube.But (COP) is low for electric heating tube efficiency, consumes too much electric energy in use procedure, has increased user's operation cost, greatly affect the result of use of constant temperature and humidity device.
Utility model content
The purpose of this utility model is to provide a kind of constant temperature and humidity unit that reduces efficiency.
In order to solve the problems of the technologies described above, the utility model provides a kind of constant temperature and humidity unit, it comprises and heats assembly, cooling assembly and compressor, the described assembly that heats is connected described compressor with the equal pipeline of cooling assembly, the described assembly that heats comprises the magnetic valve of pipeline connection successively, waste heat side heat exchanger, gas-liquid separation device and pressure equaliser, described cooling assembly comprises the condenser that pipeline connects successively, injection valve and refrigeration side heat exchanger, described Compressor Pipes connects described magnetic valve, pressure equaliser and condenser, described waste heat side heat exchanger is laminated on described refrigeration side heat exchanger, in the time that described constant temperature and humidity unit need to freeze, described compressor is sent to described condenser for after compressing refrigerant gas is become to high pressure refrigerant gas, described condenser is sent to described injection valve for after described high pressure refrigerant gas is condensed into liquid refrigerants, described injection valve is for being injected into described refrigeration side heat exchanger by described liquid refrigerants, described refrigeration side heat exchanger for being sent to described compressor after flashing to gaseous coolant after described liquid refrigerants admission of air heat, in the time that described constant temperature and humidity unit need to heat, open described magnetic valve, described compressor is sent to described waste heat side heat exchanger for after hot gaseous state refrigerant is compressed into hot high pressure refrigerant, described waste heat side heat exchanger for by hot high pressure refrigerant with after air exchange heat, lower the temperature into the hot refrigerant of gaseous state and liquid heat refrigerant after be sent to described gas-liquid separation device, described gas-liquid separation device is for becoming the hot refrigerant of gaseous state to be sent to described pressure equaliser described liquid heat refrigerant evaporation, described pressure equaliser is sent to described compressor after stablizing the pressure of the hot refrigerant of described gaseous state.
Wherein, described constant temperature and humidity unit also comprises control instrument, and described control instrument is electrically connected described magnetic valve, and described control instrument is for controlling the switch of described magnetic valve.
Wherein, described control instrument comprises moisture probe, temp probe and control processor, described moisture probe connects described control processor, described moisture probe is for detecting air humidity and moisture signal is sent to described control processor, described temp probe is electrically connected described control processor, described temp probe is for detecting air temperature and temperature signal is sent to described control processor, described control processor is electrically connected described magnetic valve, in the time that described air themperature and air humidity reach preset value, described control processor is closed described magnetic valve, keep the balance of described air humidity and air themperature.
Wherein, between described condenser and described injection valve, pipeline is connected filter, and described filter is for filtering out impurity and the moisture of described liquid refrigerants.
Wherein, between described condenser and described injection valve, pipeline is connected liquid-sighting glass, and described liquid-sighting glass is used for observing the mobile situation of described liquid refrigerants.
Wherein, between described magnetic valve and described waste heat side heat exchanger, pipeline is connected current divider, and described current divider is sent to described waste heat side heat exchanger for described hot high pressure refrigerant is divided into many parts.
Wherein, described pressure equaliser is mechanical type pressing thrust balancing device.
Wherein, described magnetic valve is high-temp resistant type or pulse-controlled electromagnetic valve.
Wherein, described waste heat side heat exchanger tube connects a gas-liquid separator, and described gas-liquid separator is for changing into the hot refrigerant of gaseous state unnecessary liquid heat refrigerant.
Wherein, between described waste heat side heat exchanger and described refrigeration side heat exchanger, be connected pressure piping.
Constant temperature and humidity unit of the present utility model, refrigeration side heat exchanger will be sent to by described compressor after gaseous coolant liquefaction, in described refrigeration side heat exchanger admission of air, heat of vaporization is gaseous coolant, gaseous coolant is resent to described compressor, thereby reach refrigeration, described compressor is sent to described waste heat side heat exchanger after hot gaseous state refrigerant is compressed into hot high pressure refrigerant, described waste heat side heat exchanger by hot high pressure refrigerant with after air exchange heat, lower the temperature into the hot refrigerant of gaseous state and liquid heat refrigerant, the hot refrigerant of described gaseous state is resent to described compressor, thereby reach heating effect.Recycling of described liquid refrigerants and gaseous coolant, can accurately control to aerial temperature and humidity described constant temperature and humidity unit, thereby has greatly increased quantity of heat production, has improved heat production efficiency, has reduced the consumption to energy, has saved use cost and resource.
Brief description of the drawings
In order to be illustrated more clearly in the technical solution of the utility model, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of constant temperature and humidity unit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
See also Fig. 1, a kind of constant temperature and humidity unit 100 that the utility model embodiment provides, described constant temperature and humidity unit 100 comprises and heats assembly 10, cooling assembly 20 and compressor 30, described in heat assembly 10 and be connected described compressor 30 with the equal pipeline of cooling assembly 20.The effect of described compressor 30 is the medium of reconciling temperature and humidity in air to be compressed into high pressure medium, heats assembly 10 and described cooling assembly 20 described in being sent to respectively.
In the time that described constant temperature and humidity unit 100 need to freeze, described compressor 30 is for becoming high pressure refrigerant gas by compressing refrigerant gas, described high pressure refrigerant gas is sent to described cooling assembly 20 by high-pressure air pipe 30a, and described cooling assembly 20 sends back described compressor 30 after cold media gas is processed air cooling-down again.In the time that described constant temperature and humidity unit 100 need to heat, described compressor 30 is for being compressed into hot high pressure refrigerant by hot gaseous state refrigerant, described hot high pressure refrigerant heats assembly 10 described in being sent to by high-pressure air pipe 30a, described in heat assembly 10 by gaseous coolant to atmosphere temperature rising process after again send back described compressor 30.More specifically, described high-pressure air pipe 30a connects one end of a three-way pipe 30b, and the other two ends of described three-way pipe 30b respectively pipeline heat assembly 10 and described cooling assembly 20 described in connecting.
Concrete, described cooling assembly 20 comprises condenser 21, filter 22, liquid-sighting glass 23, injection valve 24 and the refrigeration side heat exchanger 25 that pipeline connects successively.Between described condenser 21 and described compressor 30, be connected high-pressure air pipe 30a.Between described refrigeration side heat exchanger 25 and described compressor 30, pipeline is connected.Between described cooling assembly 20 and described compressor 30, form a circulatory system.
More specifically, described condenser 21 is for described high pressure refrigerant gas is condensed into liquid refrigerants, and described liquid refrigerants is sent to described injection valve 24 after described filter 22 and described liquid-sighting glass 23.Certainly in other embodiments, can be to be also directly sent to described injection valve.The operation principle of described condenser 21 is that described cold media gas is sent in a metal bending curved tube, utilizes fan to lower the temperature to described metal bending curved tube, makes described cold media gas condense into liquid state and invests on metal bending inside pipe wall, finally flow to described filter 22.
Owing to easily occurring in described high pressure refrigerant, at metal bending curved tube intercrystalline, blocking described injection valve 24 for fear of described impurity crystallization, so pipeline is connected filter 22 between described condenser 21 and described injection valve 24 in condenser 21.Described filter 22 is for filtering out impurity and the moisture of described liquid refrigerants.Certainly, in other embodiments, described filter 22 also can be set.
For whether convenient observation between described condenser 21 and described injection valve 24 has liquid refrigerants to flow, between described condenser 21 and described injection valve 24, pipeline is connected liquid-sighting glass 23.Described liquid-sighting glass 23 is for observing the variation of mobility status and refrigerating efficiency of described liquid refrigerants.There is no liquid refrigerants if observe in described liquid-sighting glass 23, need to check whether compressor 30 is opened, and check whether leakage of condenser 21.There is liquid refrigerants if observe in described liquid-sighting glass 23, but do not flow, check whether described injection valve 24 is blocked.
Described injection valve 24 is for being injected into liquid refrigerants on described refrigeration side heat exchanger 25.Concrete, liquid refrigerants is injected into vaporific evaporation by described injection valve 24, to facilitate the heat that more easily absorbs air.More specifically, to be liquid refrigerant fluids by high pressure be injected into low-pressure cavity and obtain the endothermic process of liquid cyclostrophic through nozzle for described injection valve 24 principles.Described vaporific liquid refrigerants is transferred into described refrigeration side heat exchanger 25.
Described refrigeration side heat exchanger 25 for being sent to described compressor 30 after flashing to gaseous coolant after described liquid refrigerants admission of air heat.Concrete, described refrigeration side heat exchanger 25 is that bending pipeline forms, and makes the heat in the easy receiving chamber of described refrigeration side heat exchanger 25, convenient and room air carries out exchange heat.Because liquid refrigerants is after being sprayed by described injection valve 24, reduce in described refrigeration side heat exchanger 25 internal pressures.Make described liquid refrigerants be evaporated to gaseous coolant after constantly absorbing room air heat, thereby indoor temperature is reduced.And described gaseous coolant returns and again get back in compressor 30, be again compressed to high pressure refrigerant gas.Thereby make the circulation of described constant temperature and humidity unit 100 to indoor refrigeration.
Describedly heat magnetic valve 11, waste heat side heat exchanger 12, gas-liquid separation device 13 and the pressure equaliser 14 that assembly 10 comprises that pipeline successively connects.Between described magnetic valve 11 and described compressor 30, be connected described high-pressure air pipe 30a.Between described pressure equaliser 14 and described compressor 30, pipeline is connected.Described heating between assembly 10 and described compressor 30 forms a circulatory system.
Concrete, described magnetic valve 11 is as by-pass valve control, and the hot high pressure refrigerant of controlling in described compressor 30 is sent in described waste heat side heat exchanger 12.Described in controlling, heat the switch of assembly 10.When needs are during to described indoor intensification, open described magnetic valve 11, in the time not needing described indoor intensification, close described magnetic valve 11.In present embodiment, described magnetic valve 11 is pulse-controlled electromagnetic valve.Its principle is, when energising, electromagnetic force promotes valve rod and valve, valve open, and hot high pressure refrigerant goes into circulation; When power-off, spring force is valve closing, and hot high pressure refrigerant is blocked.Magnetic valve must possess pulse function fast.Certainly, in other embodiments, described magnetic valve can also be direct-acting electromagnetic valve.In the time that described constant temperature and humidity unit 100 need to heat, to open after described magnetic valve 11, the high pressure heating agent in described compressor 30 is sent in described waste heat side heat exchanger 12.
Described waste heat side heat exchanger 12 for by hot described high pressure-temperature refrigerant with after air exchange heat, lower the temperature into the hot refrigerant of gaseous state and liquid heat refrigerant, be then sent to described gas-liquid separation device 13.Concrete, described waste heat side heat exchanger 12 is laminated on described refrigeration side heat exchanger 25, between described waste heat side heat exchanger 12 and described refrigeration side heat exchanger 25, is connected pressure piping, and described waste heat side heat exchanger 12 is oppositely arranged with described refrigeration side heat exchanger 25.The cold media gas that its role is to described refrigeration side heat exchanger 25 is back to described compressor 30 through described waste heat side heat exchanger 12, has reduced energy waste.More specifically, described waste heat side heat exchanger 12 is made up of multiple pipelines, and a current divider 12a is set between described waste heat side heat exchanger 12 and described magnetic valve 11.Described current divider 12a is by described hot high pressure coolant distribution to described multiple pipelines, and facilitating the hot high pressure refrigerant evaporation in described multiple pipeline is the hot refrigerant of gaseous state and liquid heat refrigerant.Its principle is, because the hot refrigerant temperature of HTHP is higher, to utilize the pressure decreased in waste heat side heat exchanger 12, make hot high pressure cooling medium liquefaction, hot high pressure refrigerant temperature is reduced, thereby heat is passed in room air, promoted indoor temperature and humidity.In order to facilitate the pressure in waste heat side heat exchanger 12 pipelines described in balance and to reduce the wet stroke of compressor, described waste heat side heat exchanger 12 pipelines connect a gas liquid exchanger, and described gas liquid exchanger separates the liquid heat refrigerant of low pressure pipeline.Because described hot high pressure refrigerant becomes the hot refrigerant of gaseous state and liquid heat refrigerant in described waste heat side heat exchanger 12, if it is dangerous now directly sending back described compressor 30, need to hot described gaseous state refrigerant and described liquid heat refrigerant be separated through gas-liquid separation device 13.Described gas-liquid separation device 13 is sent to described pressure equaliser 14 for described liquid refrigerants being flashed to gaseous coolant.Concrete, waste heat side heat exchanger 12 pipelines connect a gas-liquid separator, described gas-liquid separator is for changing into the hot refrigerant of gaseous state unnecessary liquid heat refrigerant, liquid heat refrigerant in described gas-liquid separator is sent to described gas-liquid separation device 13, and described gas-liquid separation device 13 is the hot refrigerant of gaseous state by the steam raising of liquid heat refrigerant.What make to get back to compressor 30 only has the hot refrigerant of gaseous state.
Described pressure equaliser 14 is sent to described compressor 30 after stablizing the pressure of the hot refrigerant of described gaseous state.In present embodiment, described pressure equaliser 14 is mechanical type pressing thrust balancing device, and certainly, in other embodiments, described pressure equaliser can also be automatic pressure balance device.Described pressure equaliser 14 is stablized the hot refrigerant pressure of described gaseous state and is stablized the hot refrigerant temperature of described gaseous state.In the time that needs indoor temperature is constant, described pressure equaliser 14 regulates the hot refrigerant constant pressure of the interior gaseous state of described waste heat side heat exchanger 12.
In order to regulate described constant temperature and humidity unit 100 to reach indoor temperature and humidity set point.Described constant temperature and humidity unit 100 also comprises control instrument 40.Described control instrument 40 is electrically connected described magnetic valve 11, and described control instrument 40 is for controlling the switch of described magnetic valve 11, and in the time that needs heat up to room air, described control instrument can be controlled described magnetic valve 11 and open, and heats assembly 10 and move described in making; In the time that described indoor air temperature reaches setting value, can close described magnetic valve 11, described in stopping, heating assembly 11 and move.
Concrete, described control instrument 40 comprises moisture probe 41, temp probe 42 and control processor 43.Described moisture probe 41 is electrically connected described control processor 43, and described moisture probe 41 is sent to described control processor 43 for detecting air humidity and by moisture signal.Described temp probe 42 is electrically connected described control processor 43, and described temp probe 42 is sent to described control processor 43 for detecting air temperature and by temperature signal.Described control processor 43 is electrically connected described magnetic valve 11, and in the time that described air themperature and air humidity reach preset value, described control processor 43 is closed described magnetic valve 11, keeps the balance of described air humidity and air themperature.
Constant temperature and humidity unit of the present utility model, refrigeration side heat exchanger will be sent to by described compressor after gaseous coolant liquefaction, in described refrigeration side heat exchanger admission of air, heat of vaporization is gaseous coolant, gaseous coolant is resent to described compressor, thereby reach refrigeration, described compressor is sent to described waste heat side heat exchanger after hot gaseous state refrigerant is compressed into hot high pressure refrigerant, described waste heat side heat exchanger by hot high pressure refrigerant with after air exchange heat, lower the temperature into the hot refrigerant of gaseous state and liquid heat refrigerant, the hot refrigerant of described gaseous state is resent to described compressor, thereby reach heating effect.Recycling of the hot refrigerant of described gaseous state and liquid refrigerants makes described constant temperature and humidity unit control aerial temperature and humidity, thereby greatly increased quantity of heat production, improved heat production efficiency, reduced the consumption to energy, saved use cost and resource.
The above is preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. a constant temperature and humidity unit, it is characterized in that, it comprises and heats assembly, cooling assembly and compressor, the described assembly that heats is connected described compressor with the equal pipeline of cooling assembly, the described assembly that heats comprises the magnetic valve of pipeline connection successively, waste heat side heat exchanger, gas-liquid separation device and pressure equaliser, described cooling assembly comprises the condenser that pipeline connects successively, injection valve and refrigeration side heat exchanger, described Compressor Pipes connects described magnetic valve, pressure equaliser and condenser, described waste heat side heat exchanger is laminated on described refrigeration side heat exchanger, in the time that described constant temperature and humidity unit need to freeze, described compressor is sent to described condenser for after compressing refrigerant gas is become to high pressure refrigerant gas, described condenser is sent to described injection valve for after described high pressure refrigerant gas is condensed into liquid refrigerants, described injection valve is for being injected into described refrigeration side heat exchanger by described liquid refrigerants, described refrigeration side heat exchanger for being sent to described compressor after flashing to gaseous coolant after described liquid refrigerants admission of air heat, in the time that described constant temperature and humidity unit need to heat, open described magnetic valve, described compressor is sent to described waste heat side heat exchanger for after hot gaseous state refrigerant is compressed into hot high pressure refrigerant, described waste heat side heat exchanger for by hot high pressure refrigerant with after air exchange heat, lower the temperature into the hot refrigerant of gaseous state and liquid refrigerants after be sent to described gas-liquid separation device, described gas-liquid separation device is for becoming the hot refrigerant of gaseous state to be sent to described pressure equaliser described liquid heat refrigerant evaporation, described pressure equaliser is sent to described compressor after stablizing the pressure of the hot refrigerant of described gaseous state.
2. constant temperature and humidity unit according to claim 1, is characterized in that, described constant temperature and humidity unit also comprises control instrument, and described control instrument is electrically connected described magnetic valve, and described control instrument is for controlling the switch of described magnetic valve.
3. constant temperature and humidity unit according to claim 2, it is characterized in that, described control instrument comprises moisture probe, temp probe and control processor, described moisture probe connects described control processor, described moisture probe is for detecting air humidity and moisture signal is sent to described control processor, described temp probe is electrically connected described control processor, described temp probe is for detecting air temperature and temperature signal is sent to described control processor, described control processor is electrically connected described magnetic valve, in the time that described air themperature and air humidity reach preset value, described control processor is closed described magnetic valve, keep the balance of described air humidity and air themperature.
4. constant temperature and humidity unit according to claim 1, is characterized in that, between described condenser and described injection valve, pipeline is connected filter, and described filter is for filtering out impurity and the moisture of described liquid refrigerants.
5. constant temperature and humidity unit according to claim 1, is characterized in that, between described condenser and described injection valve, pipeline is connected liquid-sighting glass, and described liquid-sighting glass is used for observing the mobile situation of described liquid refrigerants.
6. constant temperature and humidity unit according to claim 1, is characterized in that, between described magnetic valve and described waste heat side heat exchanger, pipeline is connected current divider, and described current divider is sent to described waste heat side heat exchanger for described hot high pressure refrigerant is divided into many parts.
7. constant temperature and humidity unit according to claim 1, is characterized in that, described pressure equaliser is mechanical type pressing thrust balancing device.
8. constant temperature and humidity unit according to claim 1, is characterized in that, described magnetic valve is high-temp resistant type or pulse-controlled electromagnetic valve.
9. constant temperature and humidity unit according to claim 1, is characterized in that, described waste heat side heat exchanger tube connects a gas-liquid separator, and described gas-liquid separator is for changing into the hot refrigerant of gaseous state unnecessary liquid heat refrigerant.
10. constant temperature and humidity unit according to claim 1, is characterized in that, between described waste heat side heat exchanger and described refrigeration side heat exchanger, is connected pressure piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068050.9U CN203704154U (en) | 2014-02-17 | 2014-02-17 | Constant temperature and humidity set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068050.9U CN203704154U (en) | 2014-02-17 | 2014-02-17 | Constant temperature and humidity set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704154U true CN203704154U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068050.9U Expired - Lifetime CN203704154U (en) | 2014-02-17 | 2014-02-17 | Constant temperature and humidity set |
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| Country | Link |
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| CN (1) | CN203704154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947242A (en) * | 2020-08-24 | 2020-11-17 | 珠海格力电器股份有限公司 | Outdoor unit, air conditioning system and control method of outdoor unit |
-
2014
- 2014-02-17 CN CN201420068050.9U patent/CN203704154U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947242A (en) * | 2020-08-24 | 2020-11-17 | 珠海格力电器股份有限公司 | Outdoor unit, air conditioning system and control method of outdoor unit |
| CN111947242B (en) * | 2020-08-24 | 2024-05-03 | 珠海格力电器股份有限公司 | Control method of outdoor unit and air conditioning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |