CN207945862U - Air source heat pump system - Google Patents
Air source heat pump system Download PDFInfo
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- CN207945862U CN207945862U CN201820150893.1U CN201820150893U CN207945862U CN 207945862 U CN207945862 U CN 207945862U CN 201820150893 U CN201820150893 U CN 201820150893U CN 207945862 U CN207945862 U CN 207945862U
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Abstract
The utility model provides a kind of air source heat pump system, including being sequentially communicated the compressor to form heat exchange cycle, condenser, the first gas-liquid separator, evaporative condenser, evaporator and heat accumulating type waste-heat recovery device, non-azeotropic mixed working medium is provided in the heat exchange cycle, the heat accumulating type waste-heat recovery device is set on the compressor.Air source heat pump system provided by the utility model, without using four-way valve, solve the problems, such as the commutation noise of four-way valve and four-way valve frequently commutation and caused by system reliability decline, it is effective to ensure that the exhaust of compressor provide heat for condenser always, ensure to carry out continuous heating, and it can effectively recycle compressor and its waste heat of exhaust by the way that heat accumulating type waste-heat recovery device is arranged, and when system carries out defrosting mode, it is heated for liquid non-azeotropic working medium, guarantee system can carry out normal heat exchange cycle, improve capacity usage ratio.
Description
Technical field
The utility model is related to airhandling equipment technical field, especially a kind of air source heat pump system.
Background technology
Currently, the big temperature difference moderate and high temperature heat of 85 DEG C of heat supply temperature or more mostly uses Auto-cascade cycle air source heat pump, Auto-cascade cycle
Air source heat pump is the heat pump system using non-azeotropic mixed working medium, and using single compressor, non-azeotropic mixed working medium is through overvoltage
In the circulating cycle through primary or multiple gas-liquid separation after contracting so that there are two types of the mix refrigerant of the above ingredient is same in entire cycle
Shi Liudong and transmission energy, voluntarily overlapping is realized between high boiling component and low boiling component, high warm is produced to reach
The purpose of water (65 DEG C or more), can complete that two stages of compression or cascade type heat pump is needed to can be only achieved even in conventional heat pump cycle
The high temperature being unable to reach.However evaporimeter frosting can be very serious when low temperature and high relative humidity heats for Auto-cascade cycle air source heat pump, evaporator
Heating effect is poor when frosting is thicker, and the prior art is all made of reverse cycle defrosting, is commutated using four-way valve and adjusts compressor
Discharge directions, need to absorb heat and make from hot water side when can have that four-way valve commutation noise is big, system reliability reduces, and defrost
The problem of being reduced at user's comfort.
Utility model content
In order to solve the above-mentioned technical problem, a kind of air source heat pump system for ensureing persistently to heat when defrosting is provided.
A kind of air source heat pump system, including heat accumulating type waste-heat recovery device and it is sequentially communicated the compression to form heat exchange cycle
Machine, condenser, the first gas-liquid separator, evaporative condenser and evaporator are provided with non-azeotrope mixing work in the heat exchange cycle
Matter, the heat accumulating type waste-heat recovery device are set on the exhaust pipe of the compressor and/or the compressor, and described non-total
Boiling mixed working fluid can be back to the compressor after heat accumulating type waste-heat recovery device heating.
The exhaust ports of the compressor are in the heat accumulating type waste-heat recovery device, and the gas exhaust piping of the compressor
It is connected to the condenser after the heat accumulating type waste-heat recovery device.
One end of the condenser is connected to the exhaust outlet of the compressor, the other end and first gas-liquid separator
Entrance is connected to, the outlet of the gaseous state of first gas-liquid separator respectively with the high temperature fluid entrance of the evaporative condenser and described
The entrance of evaporator is connected to, and liquid outlet is connected to by first throttling device with the cry-fluid inlet of the evaporative condenser,
The high temperature fluid outlet of the evaporative condenser is connected to by second throttling device with the entrance of the evaporator, and the evaporation is cold
The outlet of the cryogenic fluid outlet of condenser and the evaporator is connected to behind first node interflow with the air inlet of the compressor.
The air source heat pump system further includes waste-heat pipeline, is arranged between the first node and the compressor
There is third solenoid valve, the waste-heat pipeline is arranged in parallel in the both ends of the third solenoid valve, and the part waste heat adds
Pipe line is set in the heat accumulating type waste-heat recovery device.
It is provided with the 4th solenoid valve on the waste-heat pipeline, waste-heat pipeline described in the 4th solenoid valve control
Break-make.
The gaseous state of the gas-liquid separator is exported is provided with the first solenoid valve between the entrance of the evaporator.
The evaporator exports the third throttling set and second solenoid valve and described first by being arranged in parallel respectively
Node is connected to.
The air source heat pump system further includes the second gas-liquid separator, the entrance of second gas-liquid separator with it is described
First node is connected to, and the gaseous state outlet of second gas-liquid separator is connected to the exhaust outlet of the compressor.
Defrosting temperature sensing package is provided on the evaporator.
A kind of control method of above-mentioned air source heat pump system, including：
Heating mode, the first solenoid valve, the 4th solenoid valve and second throttling device are closed, second solenoid valve, third electromagnetism
Valve, first throttling device and third throttling set are opened, and non-azeotropic mixed working medium passes through compressor, condenser, gas-liquid point successively
From being back to compressor after device, evaporative condenser and evaporator.
Heating and defrosting pattern, second solenoid valve, third solenoid valve and second throttling device are closed, the first solenoid valve, the 4th
Solenoid valve, first throttling device and third throttling set are opened, and non-azeotropic mixed working medium passes through compressor, condenser, gas successively
It is back to compressor after liquid/gas separator, evaporative condenser, evaporator and heat accumulating type waste-heat recovery device.
If the temperature of the defrosting temperature sensing package is less than set temperature, the air source heat pump system is switched by heating mode
To heating and defrosting pattern；
If the temperature of the defrosting temperature sensing package is higher than set temperature, the air source heat pump system is by heating and defrosting pattern
Switch to heating mode.
Air source heat pump system provided by the utility model, do not use four-way valve, solve four-way valve commutation noise and
Four-way valve frequently commutation and caused by system reliability the problem of declining, it is effective to ensure that the exhaust of compressor be cold always
Condenser provides heat, ensures to carry out continuous heating, and can effectively recycle compression by the way that heat accumulating type waste-heat recovery device is arranged
Machine and its waste heat of exhaust, and when system carries out defrosting mode, heated for liquid non-azeotropic working medium, ensure that system can
Normal heat exchange cycle is carried out, capacity usage ratio is improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air source heat pump system of air source heat pump system provided by the utility model；
In figure：
1, compressor；2, condenser；3, the first gas-liquid separator；4, evaporative condenser；5, evaporator；6, heat accumulating type waste heat
Retracting device；7, waste-heat pipeline；8, third solenoid valve；9, the 4th solenoid valve；10, the first solenoid valve；11, third throttling dress
It sets；12, second solenoid valve；13, the second gas-liquid separator；14, first throttling device；15, second throttling device.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only used for explaining this
Utility model is not used to limit the utility model.
Air source heat pump system as shown in Figure 1, including heat accumulating type waste-heat recovery device 6 and be sequentially communicated and to form heat exchange and follow
Compressor 1, condenser 2, the first gas-liquid separator 3, evaporative condenser 4 and the evaporator 5 of ring are provided in the heat exchange cycle
Non-azeotropic mixed working medium, the heat accumulating type waste-heat recovery device 6 are set to the exhaust of the compressor 1 and/or the compressor 1
Guan Shang, and the non-azeotropic mixed working medium can be back to the compression after the heat accumulating type waste-heat recovery device 6 heating
Machine 1, the heat accumulating type waste-heat recovery device 6 can recycle the waste heat of compressor 1 and its exhaust, and be removed in system
Non-azeotropic mixed working medium is heated using the waste heat of recycling during frost, is ensured after the defrosting process of evaporator 5
Liquid non-azeotropic mixed working medium has enough heats to be evaporated, and improves capacity usage ratio.
The exhaust ports of the compressor 1 are in the heat accumulating type waste-heat recovery device 6, and the exhaust of the compressor 1
Pipeline is connected to after running through the heat accumulating type waste-heat recovery device 6 with the condenser 2, ensures to implement heat accumulating type waste-heat recovery device
6 can recycle the heat of compressor 1 and its exhaust as far as possible.
One end of the condenser 2 is connected to the exhaust outlet of the compressor 1, the other end and first gas-liquid separator
3 entrance connection, first gas-liquid separator 3 gaseous state outlet respectively with the high temperature fluid entrance of the evaporative condenser 4
It is connected to the entrance of the evaporator 5, the cryogen that liquid outlet passes through first throttling device 14 and the evaporative condenser 4
Entrance is connected to, and the high temperature fluid outlet of the evaporative condenser 4 is connected by second throttling device 15 and the entrance of the evaporator 5
It is logical, the outlet of the cryogenic fluid outlet of the evaporative condenser 4 and the evaporator 5 behind first node interflow with the compression
The air inlet of machine 1 is connected to, and the exhaust of compressor 1 heat release in condenser 2 carries out producing for hot water or hot wind, wherein a large amount of height boilings
The working medium of point component and the working medium of a small amount of low boiling component condense into liquid, and most of low boiling component working medium and a small amount of height boiling
Point component working medium is maintained as gaseous state, and after gaseous state and liquid enter first gas-liquid separator 3, gaseous state
Mixed working fluid by the first gas-liquid separator 3 gaseous state export as desired by evaporative condenser 4 and second throttling device
15 enter evaporator 5 or are directly entered in evaporator 5, and liquid passes through the liquid outlet and first throttle of the first gas-liquid separator 3
Enter in evaporative condenser 4 after device 14 and absorb heat, the mixed working fluid of gaseous state and the mixed working fluid of liquid are cold in evaporation
Heat exchange is carried out in condenser 4, and the mixed working fluid of the gas shape body after heat exchange enters steaming after second throttling device 15
It absorbs heat in hair device 5, the mixed working fluid that the mixed working fluid by evaporator 5 and the cryogenic fluid outlet by evaporative condenser 4 exclude
It is back in compressor 1 after first node mixing and forms cycle.
The air source heat pump system further includes waste-heat pipeline 7, is set between the first node and the compressor 1
It is equipped with third solenoid valve 8, the waste-heat pipeline 7 is arranged in parallel in the both ends of the third solenoid valve 8, and part is described remaining
Heat heating pipeline 7 is set in the heat accumulating type waste-heat recovery device 6, when needs by the mixed working fluid of first node to carrying out
When heating, third solenoid valve 8 is closed, so that mixed working fluid is passed through waste-heat pipeline 7, and in heat accumulating type waste-heat recovery device 6
It after being heated, is back in compressor 1, ensures that the mixed working fluid into compressor 1 can be evaporated.
The 4th solenoid valve 9 is provided on the waste-heat pipeline 7, the 4th solenoid valve 9 controls the waste-heat
The break-make of pipeline 7, in the case where normal heating or mixed working fluid need not heat, the 4th solenoid valve 9 is closed, this
When heat accumulating type waste-heat recovery device 6 carry out recuperation of heat, when the 4th solenoid valve 9 is opened, at this time at heat accumulating type waste-heat recovery device 6
In thinking mixed working fluid heat release state.
The gaseous state of first gas-liquid separator 3 is exported is provided with the first solenoid valve between the entrance of the evaporator 5
10, the gaseous state of gas-liquid separator can be made to export as needed and whether be directly connected to evaporator 5.
The outlet of the evaporator 5 respectively by the third throttling set 11 that is arranged in parallel and second solenoid valve 12 with it is described
First node is connected to, and can be depressured under the throttling action of third throttling set 11 by the mixed working fluid of evaporator 5, also can
Directly pass through second solenoid valve 12.
The air source heat pump system further includes the second gas-liquid separator 13, the entrance of second gas-liquid separator 13 with
The first node connection, and the gaseous state outlet of second gas-liquid separator 13 is connected to the exhaust outlet of the compressor 1.
It is provided with defrosting temperature sensing package on the evaporator 5, the evaporation of air source heat pump system is detected using defrosting temperature sensing package
Whether device 5 defrosts.
A kind of control method of above-mentioned air source heat pump system, including：
Heating mode, the first solenoid valve 10, the 4th solenoid valve 9 and second throttling device 15 are closed, second solenoid valve 12, the
Three solenoid valves 8, first throttling device 14 and third throttling set 11 are opened, and non-azeotropic mixed working medium passes through compressor 1, cold successively
It is back to compressor 1 after condenser 2, gas-liquid separator, evaporative condenser 4 and evaporator 5.
Heating and defrosting pattern, second solenoid valve 12, third solenoid valve 8 and second throttling device 15 are closed, the first solenoid valve
10, the 4th solenoid valve 9, first throttling device 14 and third throttling set 11 are opened, and non-azeotropic mixed working medium is successively through overcompression
It is back to compressor after machine 1, condenser 2, gas-liquid separator, evaporative condenser 4, evaporator 5 and heat accumulating type waste-heat recovery device 6
1。
If the temperature of the defrosting temperature sensing package is less than set temperature, the air source heat pump system is switched by heating mode
To heating and defrosting pattern；
If the temperature of the defrosting temperature sensing package is higher than set temperature, the air source heat pump system is by heating and defrosting pattern
Switch to heating mode.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of air source heat pump system, it is characterised in that：Including heat accumulating type waste-heat recovery device (6) and it is sequentially communicated to be formed and changes
Compressor (1), condenser (2), the first gas-liquid separator (3), evaporative condenser (4) and the evaporator (5) of thermal cycle, it is described to change
Be provided with non-azeotropic mixed working medium in thermal cycle, the heat accumulating type waste-heat recovery device (6) be set to the compressor (1) and/
Or on the exhaust pipe of the compressor (1), and the non-azeotropic mixed working medium can pass through the heat accumulating type waste-heat recovery device
(6) compressor (1) is back to after heating.
2. air source heat pump system according to claim 1, it is characterised in that：The exhaust ports of the compressor (1) in
In the heat accumulating type waste-heat recovery device (6), and the gas exhaust piping of the compressor (1) is arranged as by the heat accumulating type waste heat
Retracting device (6) is connected to the condenser (2) afterwards.
3. air source heat pump system according to claim 1, it is characterised in that：One end of the condenser (2) with it is described
The exhaust outlet of compressor (1) is connected to, and the other end is connected to the entrance of first gas-liquid separator (3), first gas-liquid point
Gaseous state outlet from device (3) connects with the entrance of the high temperature fluid entrance of the evaporative condenser (4) and the evaporator (5) respectively
Logical, the liquid outlet of first gas-liquid separator (3) is low with the evaporative condenser (4) by first throttling device (14)
The high temperature fluid outlet of warm fluid inlet connection, the evaporative condenser (4) passes through second throttling device (15) and the evaporation
The entrance of device (5) is connected to, and the outlet of the cryogenic fluid outlet and the evaporator (5) of the evaporative condenser (4) is in first segment
Point is connected to behind interflow with the air inlet of the compressor (1).
4. air source heat pump system according to claim 3, it is characterised in that：The air source heat pump system further includes remaining
Heat heating pipeline (7), is provided with third solenoid valve (8), the waste-heat between the first node and the compressor (1)
Pipeline (7) is arranged in parallel with the third solenoid valve (8), and the part waste-heat pipeline (7) is set to the heat accumulating type
In waste-heat recovery device (6).
5. air source heat pump system according to claim 4, it is characterised in that：It is arranged on the waste-heat pipeline (7)
There are the 4th solenoid valve (9), the 4th solenoid valve (9) to control the break-make of the waste-heat pipeline (7).
6. air source heat pump system according to claim 3, it is characterised in that：The gas-liquid separator gaseous state outlet with
It is provided with the first solenoid valve (10) between the entrance of the evaporator (5).
7. air source heat pump system according to claim 3, it is characterised in that：The outlet of the evaporator (5) leads to respectively
It crosses the third throttling set (11) being arranged in parallel and second solenoid valve (12) is connected to the first node.
8. air source heat pump system according to claim 3, it is characterised in that：The air source heat pump system further includes
The entrance of two gas-liquid separators (13), second gas-liquid separator (13) is connected to the first node, and second gas
The gaseous state outlet of liquid/gas separator (13) is connected to the exhaust outlet of the compressor (1).
9. air source heat pump system according to claim 1, it is characterised in that：It is provided with defrosting on the evaporator (5)
Temperature sensing package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150893.1U CN207945862U (en) | 2018-01-25 | 2018-01-25 | Air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150893.1U CN207945862U (en) | 2018-01-25 | 2018-01-25 | Air source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945862U true CN207945862U (en) | 2018-10-09 |
Family
ID=63698719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150893.1U Active CN207945862U (en) | 2018-01-25 | 2018-01-25 | Air source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207945862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375235A (en) * | 2018-01-25 | 2018-08-07 | 珠海格力电器股份有限公司 | Air source heat pump system and control method |
| CN116465116A (en) * | 2023-04-23 | 2023-07-21 | 珠海格力电器股份有限公司 | Heat exchange system |
-
2018
- 2018-01-25 CN CN201820150893.1U patent/CN207945862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375235A (en) * | 2018-01-25 | 2018-08-07 | 珠海格力电器股份有限公司 | Air source heat pump system and control method |
| CN108375235B (en) * | 2018-01-25 | 2023-08-15 | 珠海格力电器股份有限公司 | Air source heat pump system and control method |
| CN116465116A (en) * | 2023-04-23 | 2023-07-21 | 珠海格力电器股份有限公司 | Heat exchange system |
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