CN201903215U - Air-conditioner system with entire heat recovery function - Google Patents
Air-conditioner system with entire heat recovery function Download PDFInfo
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- CN201903215U CN201903215U CN2010206979145U CN201020697914U CN201903215U CN 201903215 U CN201903215 U CN 201903215U CN 2010206979145 U CN2010206979145 U CN 2010206979145U CN 201020697914 U CN201020697914 U CN 201020697914U CN 201903215 U CN201903215 U CN 201903215U
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Abstract
The utility model discloses an air-conditioner system with the entire heat recovery function, which includes a compressor, a heat recoverer, a four-way reversing valve, an air-cooling heat exchanger, a refrigerant one-way control device, a liquid accumulator, an air-conditioner heat exchanger, and a gas and liquid separator; a refrigerant outlet end of the compressor is connected with an inlet end of the heat recoverer; one output end of the heat recoverer is connected with one end of the four-way reversing valve, and the other three ports are connected with the air-cooling heat exchanger, one end of the air-conditioner heat exchanger and an inlet end of the gas and liquid separator; the other end of the air-cooling heat exchanger is connected with the liquid accumulator through the one-way control device; the liquid accumulator is connected with one end of the air-conditioner heat exchanger; and a refrigerant bypass channel with the one-way control device is connected between an outlet of the heat recoverer and an inlet of the liquid accumulator. By arranging the rapid refrigerant bypass channel between the outlet of the heat recoverer and the liquid accumulator, the air-conditioner system can keep rated pressure at the air-conditioner compressor low-pressure side of the air-conditioner compressor at the low-temperature start initial phase, thereby avoiding system failures.
Description
Technical field
The utility model relates to a kind of air-conditioning system, particularly an air-conditioning system with full recuperation of heat.
Background technology
Cold, the warm air conditioner system of the full recuperation of heat of present existing band mainly comprise compressor, heat regenerator, four-way change-over valve, air cooling heat exchanger, coolant solo valve, reservoir, air-condition heat exchanger, gas-liquid separator etc., and heat regenerator is connected with domestic water and forms the domestic water heat regenerator usually; During the air-conditioning system refrigeration work, compressor with the refrigerant after the refrigerant compression through the heat regenerator condensing heat-exchange after the four-way change-over valve gating, flow to air cooling heat exchanger once more condensation after enter reservoir behind the coolant solo valve, refrigerant from reservoir through throttling, flowing through enters gas-liquid separator behind the air-condition heat exchanger again, and the gas coolant after the separation enters behind the compressor compression once more and finishes circulation; Air-conditioning heats the course of work and is gated for the opposite path of freezing by four-way change-over valve and finishes circulation; The shortcoming of this system is: the air-condition heat exchanger refrigerant into and out of two ends (low, high-pressure side) work the time must keep certain pressure; and when unit has just been started shooting in the winter time; the temperature of the recuperation of heat water in the heat regenerator is often very low; refrigerant can't flow to the low-pressure end of air-condition heat exchanger after by the water depth condensation in the heat regenerator fast; make the pressure of certain hour inner compressor low-pressure side can't reach rated value and enter the low-voltage variation state, cause the system failure.
The utility model content
The utility model is in order to overcome defective in the above-mentioned prior art, by the quick bypass channel of refrigerant is set between heat regenerator outlet and reservoir, realize that air-conditioning system keeps rated pressure in the cold-starting starting stage in the compressor of air conditioner low-pressure side, avoids the system failure.
The air-conditioning system of the full recuperation of heat of band of the present utility model, comprise compressor, heat regenerator, four-way change-over valve, air cooling heat exchanger, the refrigerant unidirectional control device, reservoir, heat exchanger of air condition, gas-liquid separator, the refrigerant exit end of compressor is connected with the entrance point of heat regenerator, the heat regenerator port of export is connected with an end of four-way change-over valve, its excess-three port of four-way change-over valve respectively with air cooling heat exchanger, air-condition heat exchanger one end, the entrance point of gas-liquid separator is connected, the other end of air cooling heat exchanger is connected with reservoir by unidirectional control device (freeze unidirectional by) and channel controller (closing during refrigeration) in parallel, reservoir is connected with the other end of air-condition heat exchanger by unidirectional control device (heat unidirectional by) and channel controller (cutting out when heating) in parallel, wherein, be connected with the refrigerant bypass passage of band unidirectional control device between heat regenerator outlet and the reservoir inlet.
Preferably, the unidirectional control device in the refrigerant bypass passage that is connected between heat regenerator outlet and the reservoir inlet is connected in series by switch electromagnetic valve and check valve and constitutes.
Preferably, the unidirectional control device in the interface channel between air cooling heat exchanger and the reservoir is first check valve (passing through to reservoir is unidirectional from air cooling heat exchanger); The channel controller in parallel with first check valve is the first throttle device.
Preferably, the unidirectional control device in the interface channel between reservoir and the air-condition heat exchanger is second check valve (passing through to reservoir is unidirectional from air-condition heat exchanger); The channel controller in parallel with second check valve is second throttling arrangement.
Preferably, also be serially connected with first device for drying and filtering and second device for drying and filtering respectively in the part in parallel of first, second check valve, to absorb the moisture in the refrigerant.
Preferably, heat regenerator is the hydro-thermal recover that is connected with water body.
Preferably, air-condition heat exchanger is by the water body heat exchange.
Compared with prior art, the air-conditioning system of the full recuperation of heat of band of the present utility model is by being provided with the quick bypass channel of refrigerant between heat regenerator outlet and reservoir, realize that air-conditioning system keeps rated pressure in the cold-starting starting stage in the compressor of air conditioner low-pressure side, avoids the system failure.
Description of drawings
Fig. 1 is the air-conditioning system fundamental diagram of the full recuperation of heat of the utility model band.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-compressor, 2-heat regenerator, 3-four-way change-over valve, the 4-air cooling heat exchanger, 5-first device for drying and filtering, 51-second device for drying and filtering, 6-first check valve, 61-second check valve, 7-first throttle device, 71-second throttling arrangement, 8-reservoir, 9-air-condition heat exchanger, the 10-gas-liquid separator, the 101-bypass duct, 102-magnetic valve, 103-check valve.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of the specific embodiment.
As shown in Figure 1, the air-conditioning system of the full recuperation of heat of band of the present utility model comprises compressor 1, the heat regenerator 2 that is connected with domestic water (this heat regenerator 2 is used for will carrying out condensation from the refrigerant (or being called cold-producing medium) of compressor 1 by the domestic water that enters wherein), four-way change-over valve 3 (being used for gating is carried out in the refrigerant path), air cooling heat exchanger 4 (being used for) to the further condensation of refrigerant, the refrigerant unidirectional control device, reservoir 8 (is used for refrigerant is carried out buffer storage, thereby guarantee that the refrigerant that enters air-condition heat exchanger has suitable amount), air-condition heat exchanger 9, gas-liquid separator 10 (form gaseous coolant, thereby and make this gaseous coolant be back to compressor 1 circulation of finishing the work).
Further as shown in Figure 1, the refrigerant exit end of compressor 1 is connected with the entrance point of heat regenerator 2, the domestic water that heat regenerator 2 enters carries out condensing heat-exchange to refrigerant, heat regenerator 2 ports of export are connected with an end of four-way change-over valve 3, and its excess-three port of four-way change-over valve 3 is connected with an end of air cooling heat exchanger 4, air-condition heat exchanger 9, the entrance point of gas-liquid separator 10 respectively.The circulation canal of refrigerants is freezed, switched by four-way change-over valve 3 when heating to air-conditioning system, the other end of air cooling heat exchanger 4 is connected with reservoir 8 by unidirectional control device (freeze unidirectional by) and channel controller (closing during refrigeration) in parallel, and reservoir 8 is connected with the other end of air-condition heat exchanger 9 by the unidirectional control device (heat unidirectional by) and the channel controller (cutting out when heating) of parallel connection.
The refrigeration that annexation between above-mentioned each device forms, the operation principle that heats path are as follows: during refrigeration, compressed machine 1 compression of refrigerant enters heat regenerator 2 and carries out condensing heat-exchange; Upper left port from Fig. 1 enters air cooling heat exchanger 4 behind four-way change-over valve 3 gatings then; Air cooling heat exchanger 4 is with the refrigerant condensation once more of flowing through; Refrigerant is in proper order by first device for drying and filtering 5 (effect of device for drying and filtering is the moisture that absorbs in the refrigerant) with as first check valve, the 6 unidirectional reservoirs 8 that enter of unidirectional control device, this moment, the first throttle device 7 as channel controller in parallel with first device for drying and filtering 5 and first check valve 6 was in closed condition, reservoir 8 available buffers store a certain amount of refrigerant, the refrigerant that flows out from reservoir 8 flows into air-condition heat exchanger 9 through second throttling arrangement 71, (this moment, the air-condition heat exchanger water inlet was hot water after the heat exchange in air-condition heat exchanger, water outlet is a cold water), refrigerant enters and flows out from left middle port from the lower-left port of four-way change-over valve 3 and enters gas-liquid separator 10, refrigerant is after gas-liquid separation, and gaseous coolant enters the working cycles that compressor is finished refrigeration.When heating, compressed machine 1 compression of refrigerant enters heat regenerator 2 and carries out condensing heat-exchange; Behind four-way change-over valve 3 gatings, enter the lower-left port then and flow into air-condition heat exchanger 9 and carry out heat exchange (this moment, the air-condition heat exchanger water inlet was a hot water for cold water, water outlet, and delivery port connects external equipment and heats); The refrigerant order that flows out from air-condition heat exchanger enters reservoir 8 (second magnetic valve 71 of the reverse control that this moment and second device for drying and filtering 51 and second check valve 61 are in parallel is in closed condition) through second device for drying and filtering 51 with as second check valve 61 of unidirectional control device, and then flows into air cooling heat exchangers 4 by the first throttle device 7 as channel controller; The refrigerant that flows out from air cooling heat exchanger 4 behind four-way change-over valve 3 gatings from figure upper left port enter the back and flow out and enter gas-liquid separator 10 from left middle port; Gaseous coolant after gas-liquid separation returns compressor and finishes the working cycles that heats.
The utility model has increased a bypass line on the basis of above-mentioned prior art, promptly be connected with the refrigerant bypass pipeline 101 of band unidirectional control device between heat regenerator 2 outlets and reservoir 8 inlets, the unidirectional control device in the bypass duct 101 is made of switch electromagnetic valve 102 and check valve 103 serial connections.When winter temperature is low, in the starting stage of start, the domestic water temperature that enters heat regenerator 2 is lower, therefore refrigerant can't flow to the low-pressure end of air-condition heat exchanger fast (promptly in the start starting stage, the refrigerant four-way change-over valve 3 that need not to flow through, equipment such as the air cooling heat exchanger 4 and first check valve and directly enter reservoir 8), after a period of time after the start (for example 3 minutes), the water temperature of heat regenerator 2 reaches rated value, when perhaps the pressure at air-condition heat exchanger two ends can remain on certain value, the magnetic valve 102 that can control on the by-pass line 101 cuts out, and refrigerant still can be according to aforementioned normal flow process circulation.
The air-conditioning system of the full recuperation of heat of band of the present utility model realizes that by the quick bypass channel of refrigerant is set air-conditioning system keeps rated pressure in the cold-starting starting stage in the compressor low-pressure side, avoids the system failure between heat regenerator outlet and reservoir.
More than disclosed only be a specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (8)
1. air-conditioning system with full recuperation of heat, comprise compressor, heat regenerator, four-way change-over valve, air cooling heat exchanger, the refrigerant unidirectional control device, reservoir, air-condition heat exchanger, gas-liquid separator, the refrigerant exit end of compressor is connected with the entrance point of heat regenerator, the heat regenerator port of export is connected with an end of four-way change-over valve, its excess-three port of four-way change-over valve respectively with air cooling heat exchanger, air-condition heat exchanger one end, the entrance point of gas-liquid separator is connected, the other end of air cooling heat exchanger is connected with reservoir by unidirectional control device and channel controller in parallel, reservoir is connected with the other end of air-condition heat exchanger by unidirectional control device and channel controller in parallel, it is characterized in that, be connected with the refrigerant bypass passage of band unidirectional control device between described heat regenerator outlet and the reservoir inlet.
2. the air-conditioning system of the full recuperation of heat of band according to claim 1 is characterized in that, the unidirectional control device in the refrigerant bypass passage that is connected between the outlet of described heat regenerator and the reservoir inlet is connected in series by switch electromagnetic valve and check valve and constitutes.
3. the air-conditioning system of the full recuperation of heat of band according to claim 1 and 2 is characterized in that, the unidirectional control device between described air cooling heat exchanger and the reservoir is first check valve; The channel controller in parallel with described first check valve is the first throttle device.
4. the air-conditioning system of the full recuperation of heat of band according to claim 1 and 2 is characterized in that, the unidirectional control device between described reservoir and the air-condition heat exchanger is second check valve; The channel controller in parallel with second check valve is second throttling arrangement.
5. the air-conditioning system of the full recuperation of heat of band according to claim 3 is characterized in that, also is serially connected with first device for drying and filtering that is used for absorbing refrigerant moisture in the part in parallel of described first check valve.
6. the air-conditioning system of the full recuperation of heat of band according to claim 4 is characterized in that, also is serially connected with second device for drying and filtering that is used for absorbing refrigerant moisture in the part in parallel of described second check valve.
7. the air-conditioning system of the full recuperation of heat of band according to claim 1 is characterized in that, described heat regenerator is the hydro-thermal recover that is connected with water body.
8. the air-conditioning system of the full recuperation of heat of band according to claim 1 is characterized in that, described air-condition heat exchanger is by the water body heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206979145U CN201903215U (en) | 2010-12-28 | 2010-12-28 | Air-conditioner system with entire heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206979145U CN201903215U (en) | 2010-12-28 | 2010-12-28 | Air-conditioner system with entire heat recovery function |
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| Publication Number | Publication Date |
|---|---|
| CN201903215U true CN201903215U (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206979145U Expired - Fee Related CN201903215U (en) | 2010-12-28 | 2010-12-28 | Air-conditioner system with entire heat recovery function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629859A (en) * | 2012-08-23 | 2014-03-12 | 珠海格力电器股份有限公司 | Three-in-one air conditioner |
| CN104034075A (en) * | 2013-03-07 | 2014-09-10 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN104075510A (en) * | 2013-03-27 | 2014-10-01 | 约克（无锡）空调冷冻设备有限公司 | Part heat recovery air conditioning unit and refrigerant control method thereof |
| CN105910323A (en) * | 2016-06-03 | 2016-08-31 | 广东申菱环境系统股份有限公司 | Refrigerating system, refrigerating unit and refrigerating control method for refrigerating unit |
| CN107763888A (en) * | 2017-11-20 | 2018-03-06 | 美意(浙江)空调设备有限公司 | A kind of dynamic degree of superheat control system |
| CN117255544A (en) * | 2023-11-20 | 2023-12-19 | 珠海格力电器股份有限公司 | Control method and device of base station air conditioner, base station air conditioner and storage medium |
-
2010
- 2010-12-28 CN CN2010206979145U patent/CN201903215U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629859A (en) * | 2012-08-23 | 2014-03-12 | 珠海格力电器股份有限公司 | Three-in-one air conditioner |
| CN103629859B (en) * | 2012-08-23 | 2016-03-02 | 珠海格力电器股份有限公司 | Three-in-one air conditioner |
| CN104034075A (en) * | 2013-03-07 | 2014-09-10 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN104075510A (en) * | 2013-03-27 | 2014-10-01 | 约克（无锡）空调冷冻设备有限公司 | Part heat recovery air conditioning unit and refrigerant control method thereof |
| CN104075510B (en) * | 2013-03-27 | 2016-11-09 | 约克（无锡）空调冷冻设备有限公司 | Part heat recovery air conditioner unit and refrigerant control method thereof |
| CN105910323A (en) * | 2016-06-03 | 2016-08-31 | 广东申菱环境系统股份有限公司 | Refrigerating system, refrigerating unit and refrigerating control method for refrigerating unit |
| CN105910323B (en) * | 2016-06-03 | 2018-07-24 | 广东申菱环境系统股份有限公司 | A kind of refrigeration system, refrigeration unit and its refrigeration control method |
| CN107763888A (en) * | 2017-11-20 | 2018-03-06 | 美意(浙江)空调设备有限公司 | A kind of dynamic degree of superheat control system |
| CN117255544A (en) * | 2023-11-20 | 2023-12-19 | 珠海格力电器股份有限公司 | Control method and device of base station air conditioner, base station air conditioner and storage medium |
| CN117255544B (en) * | 2023-11-20 | 2024-02-09 | 珠海格力电器股份有限公司 | Control method and device of base station air conditioner, base station air conditioner and storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20151228 |
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| EXPY | Termination of patent right or utility model |