CN219640384U - Heat pump and air conditioner water machine system - Google Patents
Heat pump and air conditioner water machine system Download PDFInfo
- Publication number
- CN219640384U CN219640384U CN202320188156.1U CN202320188156U CN219640384U CN 219640384 U CN219640384 U CN 219640384U CN 202320188156 U CN202320188156 U CN 202320188156U CN 219640384 U CN219640384 U CN 219640384U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- valve
- way
- way reversing
- reversing valve
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000003507 refrigerant Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a heat pump and an air conditioner water machine system, which relates to the technical field of air conditioner water machines and comprises a compressor, a plate heat exchanger, an air-cooled heat exchanger, an electronic expansion valve, a four-way reversing valve, a gas-liquid separator and a high-pressure liquid storage tank, wherein one side of the air-cooled heat exchanger is provided with a fan, the compressor is communicated with the four-way reversing valve through a pipeline, a bridge-type one-way valve is arranged between the compressor and the plate heat exchanger, and two ports of the bridge-type one-way valve are respectively connected with the four-way reversing valve and the high-pressure liquid storage tank through pipelines. According to the utility model, through the mutual matching among the compressor, the plate heat exchanger, the bridge type one-way valve and the electromagnetic four-way reversing valve, the flow direction of fluid in the plate heat exchanger can be adjusted by utilizing the bridge type one-way valve or the electromagnetic four-way reversing valve, so that the fluid in the plate heat exchanger is always in the condition of countercurrent heat exchange, the heat exchange capacity of the plate heat exchanger is improved, and the overall performance of the system is finally improved.
Description
Technical Field
The utility model relates to the technical field of air conditioner water machines, in particular to a heat pump and an air conditioner water machine system.
Background
Heat pump and air conditioning systems, such as household water turbine systems, have the following main components: the refrigerating system comprises a compressor, a plate heat exchanger, an air-cooled heat exchanger, an electronic expansion valve, a four-way reversing valve and the like, wherein high-temperature and high-pressure refrigerant gas discharged by the compressor enters the plate heat exchanger in the heating process and exchanges heat with outdoor water, so that hot water is provided, when the refrigerating system is switched to a refrigerating working condition, the four-way reversing valve reverses, the refrigerant firstly exchanges heat through the air-cooled heat exchanger, then refrigerant liquid which is throttled and depressurized to low temperature and low pressure through the electronic expansion valve enters the plate heat exchanger, and then exchanges heat with the outdoor water, so that cold water is provided.
The conventional heat pump water machine system is shown in figure 1 of the specification, after the cooling and heating modes are switched, the flow direction of the refrigerant changes, but the flow direction of the plate heat exchanger on the water side is always consistent, so that the heat exchange working condition in a certain mode always occurs, namely downstream heat exchange, wherein the countercurrent heat exchange can improve the logarithmic heat exchange temperature difference of the plate heat exchanger, so that the heat exchange capacity of the plate heat exchanger is improved, and the corresponding downstream heat exchange can reduce the heat exchange effect of the plate heat exchanger, so that the heat exchange coefficient of the plate heat exchanger is improved, the whole system can keep higher performance, and the countercurrent heat exchange of the direction of fluid in the plate heat exchanger is required.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a heat pump and an air conditioner water machine system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the heat pump and air conditioner water machine system comprises a compressor, a plate heat exchanger, an air-cooled heat exchanger, an electronic expansion valve, a four-way reversing valve, a gas-liquid separator and a high-pressure liquid storage tank, wherein a fan is arranged on one side of the air-cooled heat exchanger, the compressor is communicated with the four-way reversing valve through a pipeline, a bridge-type one-way valve is arranged between the compressor and the plate heat exchanger, two ports of the bridge-type one-way valve are respectively connected with the four-way reversing valve and the high-pressure liquid storage tank through pipelines, and the other two ports of the bridge-type one-way valve are respectively connected with two interfaces of the plate heat exchanger through pipelines; the air-cooled heat exchanger is connected with the high-pressure liquid storage tank through a pipeline, the other two ports of the four-way reversing valve are respectively connected with the air-cooled heat exchanger and the gas-liquid separator through pipelines, the electronic expansion valve is communicated with the pipeline between the air-cooled heat exchanger and the gas-liquid separator, the two sides of the electronic expansion valve are respectively provided with a filter which is communicated and connected with the corresponding pipeline, and the gas-liquid separator is connected with the compressor through the pipeline.
As a further description of the above technical solution:
the other two interfaces of the plate heat exchanger are respectively connected with a water inlet pipe and a water outlet pipe, and the water inlet pipe is communicated with a water pump.
As a further description of the above technical solution:
the bridge type one-way valve consists of four one-way valves.
As a further description of the above technical solution:
the bridge type one-way valve can be replaced by an electromagnetic four-way reversing valve, and under different modes, fluid phase change is realized through electromagnetic control.
As a further description of the above technical solution:
the electromagnetic four-way reversing valve consists of a valve seat, a valve rod and a valve core.
The utility model has the following beneficial effects:
compared with the prior art, the heat pump and air conditioner water machine system can adjust the flow direction of fluid in the plate heat exchanger by the mutual matching among the compressor, the plate heat exchanger, the bridge type one-way valve and the electromagnetic four-way reversing valve, so that the fluid in the plate heat exchanger is always in the condition of countercurrent heat exchange, the heat exchange capacity of the plate heat exchanger is improved, and the overall performance of the system is finally improved.
Drawings
FIG. 1 is a schematic diagram of a heat pump and air conditioning water machine system of the prior art;
FIG. 2 is a schematic diagram of the system with bridge type check valve and the direction of refrigerant flow in different modes according to the present utility model;
FIG. 3 is a schematic diagram of the refrigerant flow direction of the four-way reversing valve with the refrigerant side and the refrigeration mode of the system;
FIG. 4 is a schematic diagram of the refrigerant flow direction of the four-way reversing valve with the refrigerant side and the heating mode of the system;
FIG. 5 shows the flow direction of the refrigerant in the refrigerating mode of the four-way reversing valve on the water side of the system according to the utility model;
FIG. 6 is a schematic diagram of the system of the present utility model with four-way reversing valve and the refrigerant flow direction in the heating mode;
FIG. 7 is a schematic diagram of a four-way reversing valve;
FIG. 8 is a longitudinal cross-sectional view of a four-way reversing valve;
fig. 9 is a transverse cross-sectional view of a four-way reversing valve.
Legend description:
1. a compressor; 2. a plate heat exchanger; 3. an air-cooled heat exchanger; 4. an electronic expansion valve; 5. a four-way reversing valve; 6. a blower; 7. a gas-liquid separator; 8. a high-pressure liquid storage tank; 9. a water pump; 10. a water inlet pipe; 11. a water outlet pipe; 12. a filter; 13. a bridge check valve; 14. an electromagnetic four-way reversing valve; 14a, valve seat; 14b, valve stem; 14c, a valve core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 2, the present utility model provides a heat pump and air conditioner water machine system: the device comprises a compressor 1, a plate heat exchanger 2, an air-cooled heat exchanger 3, an electronic expansion valve 4, a four-way reversing valve 5, a gas-liquid separator 7 and a high-pressure liquid storage tank 8, wherein a fan 6 is arranged on one side of the air-cooled heat exchanger 3, the compressor 1 is communicated with the four-way reversing valve 5 through a pipeline, a bridge-type one-way valve 13 is arranged between the compressor 1 and the plate heat exchanger 2, the bridge-type one-way valve 13 consists of four one-way valves, two ports of the bridge-type one-way valve 13 are respectively connected with the four-way reversing valve 5 and the high-pressure liquid storage tank 8 through pipelines, and the other two ports of the bridge-type one-way valve 13 are respectively connected with two interfaces of the plate heat exchanger 2 through pipelines; the air-cooled heat exchanger 3 is connected with the high-pressure liquid storage tank 8 through a pipeline, the other two ports of the four-way reversing valve 5 are respectively connected with the air-cooled heat exchanger 3 and the gas-liquid separator 7 through pipelines, the electronic expansion valve 4 is communicated with the pipeline between the air-cooled heat exchanger 3 and the gas-liquid separator 7, the two sides of the electronic expansion valve 4 are respectively provided with a filter 12 which is communicated and connected with the corresponding pipeline, the gas-liquid separator 7 is connected with the compressor 1 through a pipeline, the other two interfaces of the plate heat exchanger 2 are respectively connected with the water inlet pipe 10 and the water outlet pipe 11, and the water pump 9 is communicated and connected with the water inlet pipe 10.
Working principle: heating working conditions: as shown by solid arrows in fig. 2, high-temperature and high-pressure gas is discharged from the compressor 1, enters the plate heat exchanger 2 after passing through the four-way reversing valve 5 and the bridge type one-way valve 13, the water pump 9 starts to pump in cold water, the high-temperature and high-pressure gas enters the plate heat exchanger 2 to realize heat exchange with the cold water, the water temperature rises to form hot water, then the hot water is discharged through the water outlet pipe 11 for a user to use, low-temperature and high-pressure liquid is formed after cooling the refrigerant, enters the high-pressure liquid storage tank 8, the low-temperature and low-pressure liquid is formed after the low-temperature and high-pressure liquid in the high-pressure liquid storage tank 8 is throttled by the electronic expansion valve 4, then enters the air-cooled heat exchanger 3, the refrigerant absorbs heat into low-temperature and low-pressure gas through forced convection of the fan 6, and the low-temperature and low-pressure gas passes through the four-way reversing valve 5 again and returns to the compressor 1 after passing through the gas-liquid separator 7 to be compressed again.
Refrigeration working condition: as shown by the broken line arrow in fig. 2, the direction of the four-way reversing valve 5 is switched, high-temperature and high-pressure gas discharged by the compressor 1 enters the air-cooled heat exchanger 3 after passing through the four-way reversing valve 5, is condensed into low-temperature and high-pressure liquid, then enters the plate heat exchanger 2 for heat exchange through the bridge type one-way valve 13, hot water is sent in from the water inlet pipe 10 through the water pump 9 on the other side of the plate heat exchanger 2, and is subjected to countercurrent heat exchange through the plate heat exchanger 2, the water temperature is reduced, the cooled water is sent out from the water outlet pipe 11 for use by a user, the refrigerant is heated and evaporated to form low-temperature and low-pressure gas, and enters the gas-liquid separator 7 after passing through the four-way reversing valve 5 again, and finally is sent back to the compressor 1 for compression again.
As described above, the refrigerant in the plate heat exchanger 2 exchanges heat in the downstream direction in the cooling condition, and the heat exchange effect is reduced. If according to standard refrigeration working condition, water inlet and outlet temperatures of water sides are respectively: water inlet is 12 ℃, and water outlet is 7 ℃; assuming that the evaporation temperature in the plate heat exchanger 2 is 2 ℃, the outlet temperature is 6 ℃, controlling the superheat degree of 4K, and neglecting the pressure drop of the plate heat exchanger 2, namely assuming that the refrigerant inlet is 2 ℃ and the outlet is 6 ℃; the calculation formula for the heat exchange amount of the plate heat exchanger 2 is as follows: q=ka Δt, wherein since the same plate heat exchanger 2 is used and the water flow side temperature changes and the flow rate are uniform, A, Q in the equation is uniform, and k≡1/Δt is given; wherein the average logarithmic heat exchange temperature difference, Δt= (Δt) max -Δt min )/Ln(Δt max /Δt min ) Therefore, the heat exchange temperature difference under the countercurrent condition is 5.5 ℃, the heat exchange temperature difference under the downstream condition is about 3.9 ℃, and the difference is about 41%, and as the vast majority of the heat exchange process is phase change heat exchange and the temperature is basically unchanged, the sensible heat difference is assumed to be only 5% for simplifying calculation, and the final calculation result is about 2% (=41% ×5%); the above results can be understood that the heat exchange coefficient required under the countercurrent heat exchange can be reduced by 2%, otherwise, the heat exchange coefficient is the same as that under the countercurrent heat exchange, and the heat exchange capacity can be increased by 2%.
Embodiment two:
referring to fig. 3-9, the bridge type one-way valve 13 may be replaced by an electromagnetic four-way reversing valve 14, in which in different modes, fluid phase change is realized through electromagnetic control, the electromagnetic four-way reversing valve 14 is composed of a valve seat 14a, a valve rod 14b and a valve core 14c, the valve core 14c is composed of two passages, the valve rod 14b drives the valve core 14c to rotate, thereby switching flow passages, and the countercurrent heat exchange effect of the plate type heat exchanger 2 is realized through switching the flow of the water passage side, wherein fig. 3 and 4 show that the electromagnetic four-way reversing valve 14 is adopted to replace the bridge type single valve 13, in different modes, synchronous switching pipelines are respectively switched, the four-way reversing valve 5 on the refrigerant side can be switched by adopting the same signal, and fig. 5 and 6 show that the electromagnetic four-way reversing valve 14 is placed on the water passage side, and the countercurrent heat exchange effect of the plate type heat exchanger 2 is realized through switching the flow of the water passage side.
Finally, it should be noted that: while the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the foregoing embodiments may be modified and equivalents may be substituted for elements thereof without departing from the spirit and principles of the utility model 。
Claims (5)
1. The utility model provides a heat pump and air conditioner water machine system, includes compressor (1), plate heat exchanger (2), air-cooled heat exchanger (3), electronic expansion valve (4), four-way reversing valve (5), gas-liquid separator (7) and high-pressure liquid storage pot (8), air-cooled heat exchanger (3) one side is equipped with fan (6), its characterized in that: the compressor (1) is communicated with the four-way reversing valve (5) through a pipeline, a bridge type one-way valve (13) is arranged between the compressor (1) and the plate heat exchanger (2), two ports of the bridge type one-way valve (13) are respectively connected with the four-way reversing valve (5) and the high-pressure liquid storage tank (8) through pipelines, and the other two ports of the bridge type one-way valve (13) are respectively connected with two interfaces of the plate heat exchanger (2) through pipelines; the air-cooled heat exchanger (3) is connected with the high-pressure liquid storage tank (8) through a pipeline, the other two ports of the four-way reversing valve (5) are respectively connected with the air-cooled heat exchanger (3) and the gas-liquid separator (7) through pipelines, the electronic expansion valve (4) is communicated with the pipeline between the air-cooled heat exchanger (3) and the gas-liquid separator (7), the two sides of the electronic expansion valve (4) are respectively provided with a filter (12) which is connected with the corresponding pipeline in a communicating way, and the gas-liquid separator (7) is connected with the compressor (1) through the pipeline.
2. A heat pump and air conditioner water machine system as defined in claim 1 wherein: the plate heat exchanger (2) is characterized in that the other two interfaces are respectively connected with a water inlet pipe (10) and a water outlet pipe (11), and the water inlet pipe (10) is communicated and connected with a water pump (9).
3. A heat pump and air conditioner water machine system as defined in claim 1 wherein: the bridge type one-way valve (13) consists of four one-way valves.
4. A heat pump and air conditioner water machine system as defined in claim 1 wherein: the bridge type one-way valve (13) can be replaced by an electromagnetic four-way reversing valve (14), and fluid phase change is realized through electromagnetic control under different modes.
5. The heat pump and air conditioner water system as set forth in claim 4, wherein: the electromagnetic four-way reversing valve (14) consists of a valve seat (14 a), a valve rod (14 b) and a valve core (14 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188156.1U CN219640384U (en) | 2023-02-13 | 2023-02-13 | Heat pump and air conditioner water machine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188156.1U CN219640384U (en) | 2023-02-13 | 2023-02-13 | Heat pump and air conditioner water machine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219640384U true CN219640384U (en) | 2023-09-05 |
Family
ID=87822346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320188156.1U Active CN219640384U (en) | 2023-02-13 | 2023-02-13 | Heat pump and air conditioner water machine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219640384U (en) |
-
2023
- 2023-02-13 CN CN202320188156.1U patent/CN219640384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019091241A1 (en) | Cooling circulation system for air conditioning, and air conditioner | |
| WO2015158138A1 (en) | Refrigeration device | |
| CN109405102B (en) | Air Conditioning System | |
| CN107178833B (en) | Heat recovery external machine system and air conditioning system | |
| CN107366621B (en) | Rolling rotor compressor with three-stage air supplement and air conditioning system | |
| CN101498529A (en) | Air conditioning system | |
| CA3066275C (en) | Two-pipe enhanced-vapor-injection outdoor unit and multi-split system | |
| CN102032705A (en) | Two-stage compression heat pump system | |
| WO2019091240A1 (en) | Heating circulation system for air conditioning, and air conditioner | |
| CN101694329A (en) | Dual-working condition heat pump cold hot water machine unit of parallel evaporator | |
| CA3081380C (en) | Two-pipe enhanced-vapor-injection outdoor unit and multi-split system | |
| CN109059335A (en) | A kind of low-temperature air source heat pump unit | |
| CN108119953A (en) | Splitting heat pump air conditioner device | |
| CN208901671U (en) | A kind of low-temperature air source heat pump unit | |
| CN105758047B (en) | The cascade refrigeration system of variable-flow either simplex matter common condenser and evaporator | |
| CN112082284A (en) | Heat pump system with double suction and exhaust functions and control method | |
| CN216481291U (en) | Air conditioner | |
| CN219640384U (en) | Heat pump and air conditioner water machine system | |
| CN215930175U (en) | Refrigerating system | |
| CN215638113U (en) | Refrigerating system | |
| CN116293972A (en) | Heat pump and air conditioner water machine system | |
| CN109579357B (en) | Multi-online heat pump system with efficient heat recovery function and control method | |
| CN201314724Y (en) | Non-temperature rise manifold type internal heat defrosting energy saving refrigeration system | |
| CN212720071U (en) | Temperature and humidity separately-controlled air conditioning system based on single-machine single-stage compression double temperatures | |
| CN204141904U (en) | Refrigerant flow direction converting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |