CN201903216U - Bidirectional heat pump system - Google Patents
Bidirectional heat pump system Download PDFInfo
- Publication number
- CN201903216U CN201903216U CN2011201246710U CN201120124671U CN201903216U CN 201903216 U CN201903216 U CN 201903216U CN 2011201246710 U CN2011201246710 U CN 2011201246710U CN 201120124671 U CN201120124671 U CN 201120124671U CN 201903216 U CN201903216 U CN 201903216U
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- CN
- China
- Prior art keywords
- mouth
- way valve
- heat exchanger
- compressor
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a bidirectional heat pump system which comprises an indoor heat exchanger, a compressor, a two-position four-way valve, a gas-liquid separator, an outdoor heat exchanger, a first filter, an electronic expansion valve, a second filter, a liquid storage tank and a controller, wherein the two-position four-way valve is a solenoid valve and is provided with a port A, a port B, a port P and a port T; an outlet of the compressor is communicated with the port P of the two-position four-way valve; an inlet of the gas-liquid separator is communicated with the port T of the two-position four-way valve, and an outlet is communicated with an inlet of the compressor; one end of the outdoor heat exchanger is communicated with the port A of the two-position four-way valve, and the other end is connected with the first filter, the electronic expansion valve, the second filter and the liquid storage tank in sequence; one end of the indoor heat exchanger is communicated with the liquid storage tank, and the other end is communicated with the port B of the two-position four-way valve; and the controller is electrically connected with the two-position four-way valve. Through the control of the controller, the bidirectional heat pump system is easy to switch between a refrigerating work mode and a heating work mode.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of novel heat pump that has two-way fluid reservoir.
Background technology
Generally all adopt fluid reservoir in the cooling cycle system of existing large-size air conditioning unit, but in the existing heat pump that has a fluid reservoir, system architecture is very complicated, adopt two or more individual event valves and at least two electric expansion valves to realize the variation of refrigerant flow direction in the General System, thereby realize freezing and heating.But the valve of refrigerant flow direction control increases, the pipe-line system complexity, thus cause control also quite complicated, and pad increases the coolant leakage rate that can improve complete machine, causes that easily cold-producing medium leaks.
For this reason, the applicant had once developed a kind of novel heat pump that has two-way fluid reservoir, and proposed patent application, and was still wherein not open in detail for the control structure of above-mentioned heat pump, brought inconvenience for the application of above-mentioned heat pump.
For this reason, a kind of bidirectional heat pump of special proposition system addresses the above problem.
Summary of the invention
The purpose of this utility model is, a kind of bidirectional heat pump system is provided, resolution system pipeline complicated problems, and make it be easy to control.
The purpose of this utility model is achieved by the following technical solution:
A kind of bidirectional heat pump system is characterized in that: comprise indoor heat exchanger, compressor, two-position four-way valve, gas-liquid separator, outdoor heat exchanger, first filter, electric expansion valve, second filter, fluid reservoir, indoor heat exchanger and controller, wherein:
This two-position four-way valve is a magnetic valve, it has A mouth, B mouth, P mouth and T mouth totally four control mouths, and have two operating positions, when this two-position four-way valve is in first operating position, the P mouth is connected with the A mouth, and the B mouth is connected with the T mouth, when this two-position four-way valve is in second operating position, the P mouth is connected with the B mouth, and the A mouth is connected with the T mouth;
The outlet of this compressor is connected with the P mouth of this two-position four-way valve;
The inlet of this gas-liquid separator is connected with the T mouth of this two-position four-way valve, and outlet is connected with the inlet of this compressor;
One end of this outdoor heat exchanger is connected with the A mouth of this two-position four-way valve, and the other end is connected with this first filter, this electric expansion valve, this second filter and this fluid reservoir in regular turn;
One end of this indoor heat exchanger is connected with this fluid reservoir, and the other end is connected with the B mouth of this two-position four-way valve;
This controller is electrically connected with this two-position four-way valve, controls this two-position four-way valve and switches back and forth between described two operating positions.
Wherein: this controller also is electrically connected with this compressor.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: pipeline structure is simple, and control is convenient, is easy to be implemented in the switching between refrigeration and the heating mode.
Description of drawings
The syndeton schematic diagram of the bidirectional heat pump system that Fig. 1 provides for the utility model.
The specific embodiment
As shown in Figure 1, the utility model provides a kind of bidirectional heat pump system, comprise at least one indoor heat exchanger 9, compressor 1, two-position four-way valve 2, gas-liquid separator 3, outdoor heat exchanger 4, first filter 5, electric expansion valve 6, second filter 7, fluid reservoir 8, indoor heat exchanger 9 and controller 10, wherein:
This two-position four-way valve 2 is magnetic valves, it has A mouth, B mouth, P mouth and T mouth totally four control mouths, and have two operating positions, when this two-position four-way valve 2 is in first operating position, the P mouth is connected with the A mouth, and the B mouth is connected with the T mouth, when this two-position four-way valve 2 is in second operating position, the P mouth is connected with the B mouth, and the A mouth is connected with the T mouth;
The outlet of this compressor 1 is connected with the P mouth of this two-position four-way valve 2;
The inlet of this gas-liquid separator 3 is connected with the T mouth of this two-position four-way valve 2, and outlet is connected with the inlet of this compressor 1;
One end of this outdoor heat exchanger 4 is connected with the A mouth of this two-position four-way valve 2, and the other end is connected with this first filter 5, this electric expansion valve 6, this second filter 7 and this fluid reservoir 8 in regular turn;
One end of this indoor heat exchanger 9 is connected with this fluid reservoir 8, and the other end is connected with the B mouth of this two-position four-way valve 2;
This controller 10 is electrically connected with this two-position four-way valve 2, is used for controlling this two-position four-way valve 2 and switches back and forth between two operating positions.
Introduce the course of work of the bidirectional heat pump system that the utility model provides below.
When indoor heat exchanger 9 need carry out refrigeration work, this two-position four-way valve 2 is in first operating position under the spring tension effect, at this moment, after cold-producing medium compresses through compressor 1, enter the P mouth of this two-position four-way valve 2, and flow out from the A mouth, inlet chamber external heat exchanger 4 carries out heat exchange with outside air then, cold-producing medium is condensed into the liquid refrigerant of HTHP, then successively through first filter 5, the electric expansion valve 6 and second filter 7, this moment, cold-producing medium was the low-temp low-pressure state of gas-liquid mixed by throttling, cold-producing medium enters fluid reservoir 8 then, can increase unit degree of supercooling herein like this, fluid reservoir uses as low-pressure liquid storing tank in the time of the indoor heat exchanger refrigeration.Cold-producing medium flows out from fluid reservoir 8, enter indoor heat exchanger 9 and carry out evaporating after the heat exchange with room air, the cold-producing medium after the evaporation is entered by the B mouth of this two-position four-way valve 2, flows out from the T mouth again, sucked by compressor 1 through vapour liquid separator 3 backs, then participated in circulation next time by compressor 1 compression back.
When indoor heat exchanger 9 need heat work, this controller 10 sends control signal and gives this two-position four-way valve 2, make it under magneticaction, be in second operating position, at this moment, after cold-producing medium compresses through compressor 1, enter the P mouth of this two-position four-way valve 2, and flow out from the B mouth, enter indoor heat exchanger 9 then and carry out heat exchange with room air, this moment, cold-producing medium entered fluid reservoir 8 after being condensed into the liquid refrigerant of HTHP, when indoor heat exchanger 9 heated, fluid reservoir 8 used as the high pressure fluid reservoir.Cold-producing medium is successively through second filter 7, electric expansion valve 6 and first filter 5 then, this moment, cold-producing medium was the low-temp low-pressure state of gas-liquid mixed, cold-producing medium evaporates in flowing to outdoor heat exchanger 4 more then, cold-producing medium after the evaporation is entered by the A mouth of this two-position four-way valve 2, flow out from the T mouth again, sucked by compressor 1 through gas-liquid separator 3 backs, participated in circulation next time again by compressor 1 compression then.
In the foregoing description; this controller 10 can also be electrically connected with this compressor 1 except can controlling this two-position four-way valve 2, under the situation of this bidirectional heat pump system works unusual (as the stream time overlength); initiatively close this compressor 1, play the initiatively effect of protection.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (2)
1. bidirectional heat pump system, it is characterized in that: comprise indoor heat exchanger, compressor, two-position four-way valve, gas-liquid separator, outdoor heat exchanger, first filter, electric expansion valve, second filter, fluid reservoir, indoor heat exchanger and controller, wherein:
This two-position four-way valve is a magnetic valve, it has A mouth, B mouth, P mouth and T mouth totally four control mouths, and have two operating positions, when this two-position four-way valve is in first operating position, the P mouth is connected with the A mouth, and the B mouth is connected with the T mouth, when this two-position four-way valve is in second operating position, the P mouth is connected with the B mouth, and the A mouth is connected with the T mouth;
The outlet of this compressor is connected with the P mouth of this two-position four-way valve;
The inlet of this gas-liquid separator is connected with the T mouth of this two-position four-way valve, and outlet is connected with the inlet of this compressor;
One end of this outdoor heat exchanger is connected with the A mouth of this two-position four-way valve, and the other end is connected with this first filter, this electric expansion valve, this second filter and this fluid reservoir in regular turn;
One end of this indoor heat exchanger is connected with this fluid reservoir, and the other end is connected with the B mouth of this two-position four-way valve;
This controller is electrically connected with this two-position four-way valve, controls this two-position four-way valve and switches back and forth between described two operating positions.
2. bidirectional heat pump according to claim 1 system, it is characterized in that: this controller also is electrically connected with this compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201246710U CN201903216U (en) | 2011-04-25 | 2011-04-25 | Bidirectional heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201246710U CN201903216U (en) | 2011-04-25 | 2011-04-25 | Bidirectional heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903216U true CN201903216U (en) | 2011-07-20 |
Family
ID=44273808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201246710U Expired - Lifetime CN201903216U (en) | 2011-04-25 | 2011-04-25 | Bidirectional heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461284A (en) * | 2013-01-25 | 2017-02-22 | 艾默生零售解决方案公司 | System and method for control of a transcritical refrigeration system |
| CN108705984A (en) * | 2018-08-17 | 2018-10-26 | 福建工程学院 | A kind of device and method of confined space fire prevention and anti-suffocation |
-
2011
- 2011-04-25 CN CN2011201246710U patent/CN201903216U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461284A (en) * | 2013-01-25 | 2017-02-22 | 艾默生零售解决方案公司 | System and method for control of a transcritical refrigeration system |
| CN106461284B (en) * | 2013-01-25 | 2019-04-23 | 艾默生零售解决方案公司 | System and method for controlling transcritical cooling system |
| CN108705984A (en) * | 2018-08-17 | 2018-10-26 | 福建工程学院 | A kind of device and method of confined space fire prevention and anti-suffocation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |