CN207487171U - A kind of heat pump system of refrigerant optimum management - Google Patents
A kind of heat pump system of refrigerant optimum management Download PDFInfo
- Publication number
- CN207487171U CN207487171U CN201721633521.6U CN201721633521U CN207487171U CN 207487171 U CN207487171 U CN 207487171U CN 201721633521 U CN201721633521 U CN 201721633521U CN 207487171 U CN207487171 U CN 207487171U
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- China
- Prior art keywords
- heat exchanger
- valve
- liquid storage
- storage device
- hot water
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Abstract
The utility model discloses a kind of heat pump systems of refrigerant optimum management, heat pump system includes the first compressor, the first four-way valve, the first source heat exchanger, the first domestic hot water side heat exchanger, the first unidirectional valve group, the first expansion valve and the first liquid storage device, first port of the first four-way valve and the outlet of the first compressor, second port is connected with the entrance of the first compressor, third connectivity mouth is connected with the first source heat exchanger, and the 4th port is connected with the first domestic hot water side heat exchanger；Following connection relation is realized by the first unidirectional valve group：First source heat exchanger is sequentially communicated the first liquid storage device and the first expansion valve between the first domestic hot water side heat exchanger, and the first domestic hot water side heat exchanger only connects the first expansion valve between the first source heat exchanger.The utility model optimizes the connection relation of refrigerant liquid storage device, and the refrigerant before making to enter expansion valve has degree of supercooling, improves refrigerating capacity or heating capacity, and reduce the filling demand of refrigerant, cost-effective.
Description
Technical field
The utility model is related to thermal energy field, more particularly to a kind of heat pump system of refrigerant optimum management.
Background technology
Heat pump system in the prior art, provides refrigeration and heat-production functions, and since the characteristic of heat exchanger is distinguished, source is surveyed and changed
Hot device and the heat transferring medium of domestic hot water side heat exchanger are inconsistent, and the coefficient of heat transfer is inconsistent, and two heat exchange areas and volume is caused to differ
Cause, so as to influence refrigerant charge during refrigeration and refrigerant charge during heating, two charging amounts it is inconsistent,
So as to introduce liquid storage device.The existing connection of liquid storage device is before expansion valve, can ensure enough liquid before expansion valve in this way
Cryogen.The drawback is that the refrigerant into expansion valve does not have degree of supercooling, reduce refrigerating capacity or heating capacity；Second lacks
Point is that any pattern (either refrigeration mode or heating mode) is required for by liquid storage device, this requires there are one liquid storage devices
Minimum liquid level, increases the charging amount of refrigerant and the volume of liquid storage device, increases cost.
Utility model content
In order to solve problem of the prior art, the utility model provides a kind of heat pump system of refrigerant optimum management,
The technical solution is as follows：
On the one hand, the utility model provides a kind of heat pump system of refrigerant optimum management, including the first compressor,
One four-way valve, the first source heat exchanger, the first domestic hot water side heat exchanger, the first unidirectional valve group, the first expansion valve and the first liquid storage device,
The entrance of first port of first four-way valve and the outlet of the first compressor, the second port and the first compressor connects
Logical, third connectivity mouth is connected with the first end of the first source heat exchanger, and the first end of the 4th port and the first domestic hot water side heat exchanger connects
It is logical；
Following connection relation is realized by the described first unidirectional valve group：The second end of the first source heat exchanger is to first
It is sequentially communicated the first liquid storage device and the first expansion valve between the second end of domestic hot water side heat exchanger, and first domestic hot water side heat exchanger
Second end first expansion valve is only connected between the second end of the first source heat exchanger.
Further, the described first unidirectional valve group includes four unidirectional valve cells, wherein, the first check valve is for connecting the
The outlet of one expansion valve and the second end of the first source heat exchanger, and it is directed toward the first source heat exchanger；Second check valve is used to connect
The outlet of the first expansion valve and the second end of the first domestic hot water side heat exchanger are connect, and is directed toward the first domestic hot water side heat exchanger；Third is unidirectional
Valve is directed toward the first expansion valve, first liquid storage device for connecting the outlet of the entrance and the first liquid storage device of the first expansion valve
Entrance connected with the second end of the first source heat exchanger；4th check valve is empty for the entrance of the first expansion valve of connection and first
The second end of side heat exchanger is adjusted, and is directed toward the first expansion valve.
Further, the inlet tube of first liquid storage device is communicated to the bottom of the first liquid storage device.
Further, the outlet of first liquid storage device is drawn from the bottom of the first liquid storage device.
On the other hand, the utility model additionally provides the heat pump system of another refrigerant optimum management, including the second pressure
Contracting machine, the second four-way valve, the second source heat exchanger, the second domestic hot water side heat exchanger, the second unidirectional valve group, the second expansion valve and second
Liquid storage device, the first port of second four-way valve and the outlet of the second compressor, the second port and the second compressor
Entrance connects, and third connectivity mouth connects with the first end of the second source heat exchanger, and the of the 4th port and the second domestic hot water side heat exchanger
One end connects；
Following connection relation is realized by the described second unidirectional valve group：The second end of the second source heat exchanger is to second
Only connect second expansion valve between the second end of domestic hot water side heat exchanger, and the second end of second domestic hot water side heat exchanger to
The second liquid storage device and the second expansion valve are sequentially communicated between the second end of second source heat exchanger.
Further, the described second unidirectional valve group includes four unidirectional valve cells, wherein, check valve I is for connection second
The outlet of expansion valve and the second end of the second source heat exchanger, and it is directed toward the second source heat exchanger；Check valve II is for connecting the
The outlet of two expansion valves and the second end of the second domestic hot water side heat exchanger, and it is directed toward the second domestic hot water side heat exchanger；Check valve III is used for
The entrance of the second expansion valve and the second end of the second source heat exchanger are connected, and is directed toward the second expansion valve；Check valve IV is used to connect
Connect the outlet of the entrance and the second liquid storage device of the second expansion valve, and be directed toward the second expansion valve, the entrance of second liquid storage device with
The second end connection of second domestic hot water side heat exchanger.
Further, the inlet tube of second liquid storage device is communicated to the bottom of the second liquid storage device.
Further, the outlet of second liquid storage device is drawn from the bottom of the second liquid storage device.
What technical solution provided by the utility model was brought has the beneficial effect that：
A. the connection relation of refrigerant liquid storage device is optimized, the refrigerant before making to enter expansion valve has degree of supercooling, carries
High refrigerating capacity or heating capacity；
B. optimize the inlet/outlet pipe structure of liquid storage device, reduce the filling demand of refrigerant in liquid storage device, it is cost-effective.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural representation of the heat pump system for the first refrigerant optimum management that the utility model embodiment provides
Figure；
Fig. 2 is the structural representation of the heat pump system for second of refrigerant optimum management that the utility model embodiment provides
Figure.
Wherein, reference numeral includes：The first compressors of 11-, the first four-way valves of 12-, 13- the first source heat exchangers, 14-
One domestic hot water side heat exchanger, the first unidirectional valve groups of 15-, the first check valves of 151-, the second check valves of 152-, 153- third check valves,
The 4th check valves of 154-, the first expansion valves of 16-, the first liquid storage devices of 17- 17, the second compressors of 21-, the second four-way valves of 22-, 23-
Second source heat exchanger, the second domestic hot water side heat exchangers of 24-, the second unidirectional valve groups of 25-, 251- check valves I, 252- check valve II,
The second expansion valve of 253- check valves III, 254- check valve IV, 26-, the second liquid storage devices of 27-.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work all should
When the range for belonging to the utility model protection.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that in this way
The data used can be interchanged in the appropriate case, can be in addition at this so as to the embodiment of the utility model described herein
In diagram or description those other than sequence implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, apparatus, product or equipment
Be not necessarily limited to those steps clearly listed or unit, but may include not listing clearly or for these processes,
The intrinsic other steps of method, product or equipment or unit.
Embodiment 1
In one embodiment of the utility model, a kind of heat pump system of refrigerant optimum management is provided, referring to figure
1, the heat pump system includes the first compressor 11, the first four-way valve 12, the first source heat exchanger 13, the first domestic hot water side heat exchanger
14th, the first unidirectional valve group 15, the first expansion valve 16 and the first liquid storage device 17, the first port and first of first four-way valve 12
The outlet of compressor 11, the second port are connected with the entrance of the first compressor 11, third connectivity mouth and the first source heat exchanger
13 first end connection, the 4th port are connected with the first end of the first domestic hot water side heat exchanger 14；
Following connection relation is realized by the described first unidirectional valve group 15：The second end of the first source heat exchanger 13 to
The first liquid storage device 17 and the first expansion valve 16 are sequentially communicated between the second end of first domestic hot water side heat exchanger 14, and (i.e. the first source changes
Hot device 13, the first liquid storage device 17, the first expansion valve 16, the first domestic hot water side heat exchanger 14 sequentially connect), and the first air-conditioning side
The second end of heat exchanger 14 only connects first expansion valve 16 between the second end of the first source heat exchanger 13, and (i.e. first is empty
Side heat exchanger 14, the first expansion valve 16, the first source heat exchanger 13 is adjusted sequentially to connect, does not pass through first liquid storage device 17).
In a specific embodiment, the described first unidirectional valve group 15 includes four unidirectional valve cell (the first check valves
151st, the second check valve 152,153 and the 4th check valve 154 of third check valve), as shown in Figure 1, wherein, the first check valve 151
For connecting the outlet of the first expansion valve 16 and the second end of the first source heat exchanger 13, the circulation of first check valve 151
It is directed toward the first source heat exchanger 13 in direction；Second check valve 152 is used to connect the outlet and the first air-conditioning side of the first expansion valve 16
The second end of heat exchanger 14, the circulating direction of second check valve 152 are directed toward the first domestic hot water side heat exchanger 14；Third check valve
153 are used to connect the outlet of the entrance and the first liquid storage device 17 of the first expansion valve 16, the circulating direction of the third check valve 153
The first expansion valve 16 is directed toward, the entrance of first liquid storage device 17 is connected with the second end of the first source heat exchanger 13；4th is single
To valve 154 for the entrance of the first expansion valve 16 of connection and the second end of the first domestic hot water side heat exchanger 14, the 4th check valve
154 circulating direction is directed toward the first expansion valve 16.
In order to improve the smoothness that refrigerant enters the first liquid storage device 17, the inlet tube of first liquid storage device 17 is extend into
The bottom of first liquid storage device 17；In order to effectively improve refrigerant from the extraction rate of the first liquid storage device 17, to reduce liquid storage device most
Low liquid level Height Standard, the outlet of first liquid storage device 17 are drawn from the bottom of the first liquid storage device 17.
The operation method of heat pump system in the utility model embodiment is as follows：
When needing to operate in the heat pump system under refrigerating state, then the second check valve and third check valve are opened,
The first check valve and the 4th check valve are closed, then the heat pump system can be made to operate in refrigeration mode, in such a mode, heat pump
System is run by the first liquid storage device；
When needing to operate in the heat pump system under heating state, then the first check valve and the 4th check valve are opened,
The second check valve and third check valve are closed, then the heat pump system can be made to operate in heating mode, in such a mode, heat pump
System is run without the first liquid storage device.
Embodiment 2
In another embodiment of the utility model, the heat pump system of second of refrigerant optimum management is provided, is joined
See Fig. 2, the heat pump system is changed including the second compressor 21, the second four-way valve 22, the second source heat exchanger 23, the second air-conditioning side
Hot device 24, the second unidirectional valve group 25, the second expansion valve 26 and the second liquid storage device 27, the first port of second four-way valve 22 with
The outlet of second compressor 21, the second port are connected with the entrance of the second compressor 21, and third connectivity mouth is changed with the second source
The first end connection of hot device 23, the 4th port are connected with the first end of the second domestic hot water side heat exchanger 24；
Following connection relation is realized by the described second unidirectional valve group 25：The second end of the second source heat exchanger 23 to
Second expansion valve 26 (i.e. the second source heat exchanger 23, second is only connected between the second end of second domestic hot water side heat exchanger 24
Expansion valve 26, the second domestic hot water side heat exchanger 24 sequentially connect, and do not pass through second liquid storage device 27), and the second air-conditioning side
The second end of heat exchanger 24 is sequentially communicated the second liquid storage device 27 and the second expansion between the second end of the second source heat exchanger 23
(i.e. the second domestic hot water side heat exchanger 24, the second liquid storage device 27, the second expansion valve 26, the second source heat exchanger 23 sequentially connect valve 26
It is logical).
In a specific embodiment, the described second unidirectional valve group 25 includes four unidirectional valve cell (check valve I, lists
To valve II, check valve III, check valve IV), as shown in Fig. 2, wherein, check valve I251 goes out for the second expansion valve 26 of connection
The second end of mouth and the second source heat exchanger 23, the circulating direction of the check valve I251 are directed toward the second source heat exchanger 23；It is single
To valve II252 for the outlet of the second expansion valve 26 of connection and the second end of the second domestic hot water side heat exchanger 24, the check valve
The circulating direction of II252 is directed toward the second domestic hot water side heat exchanger 24；Check valve III253 is used to connect the entrance of the second expansion valve 26
With the second end of the second source heat exchanger 23, the circulating direction of the check valve III253 is directed toward the second expansion valve 26；Check valve
IV254 is for the outlet of the entrance and the second liquid storage device 27 of the second expansion valve 26 of connection, the circulating direction of the check valve IV254
The second expansion valve 26 is directed toward, the entrance of second liquid storage device 27 is connected with the second end of the second domestic hot water side heat exchanger 24.
In order to improve the smoothness that refrigerant enters the second liquid storage device 27, the inlet tube of second liquid storage device 27 is extend into
The bottom of second liquid storage device 27；In order to effectively improve refrigerant from the extraction rate of the second liquid storage device 27, to reduce liquid storage device most
Low liquid level Height Standard, the outlet of second liquid storage device 27 are drawn from the bottom of the second liquid storage device 27.
The operation method of heat pump system in the utility model embodiment is as follows：
When needing to operate in the heat pump system under refrigerating state, then check valve II and check valve III are opened, closed
Check valve I and check valve IV, then can make the heat pump system operate in refrigeration mode, in such a mode, heat pump system without
Cross the operation of the second liquid storage device；
When needing to operate in the heat pump system under heating state, then check valve I and check valve IV are opened, closed single
To valve II and check valve III, then the heat pump system can be made to operate in heating mode, in such a mode, heat pump system passes through
Second liquid storage device is run.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of heat pump system of refrigerant optimum management, which is characterized in that including the first compressor (11), the first four-way valve
(12), the first source heat exchanger (13), the first domestic hot water side heat exchanger (14), the first unidirectional valve group (15), the first expansion valve (16)
With the first liquid storage device (17), the first port of first four-way valve (12) and the outlet of the first compressor (11), second
Port is connected with the entrance of the first compressor (11), and third connectivity mouth is connected with the first end of the first source heat exchanger (13), and the 4th
Port is connected with the first end of the first domestic hot water side heat exchanger (14)；
Following connection relation is realized by the described first unidirectional valve group (15)：The second end of the first source heat exchanger (13) to
The first liquid storage device (17) and the first expansion valve (16) are sequentially communicated between the second end of first domestic hot water side heat exchanger (14), and it is described
It is swollen that the second end of first domestic hot water side heat exchanger (14) only connects described first between the second end of the first source heat exchanger (13)
Swollen valve (16).
2. the heat pump system of refrigerant optimum management according to claim 1, which is characterized in that the first unidirectional valve group
(15) including four unidirectional valve cells, wherein, the first check valve (151) for connect the first expansion valve (16) outlet and first
The second end of source heat exchanger (13), and it is directed toward the first source heat exchanger (13)；Second check valve (152) is swollen for connecting first
The outlet of swollen valve (16) and the second end of the first domestic hot water side heat exchanger (14), and it is directed toward the first domestic hot water side heat exchanger (14)；Third
Check valve (153) is directed toward the first expansion for connecting the outlet of the entrance and the first liquid storage device (17) of the first expansion valve (16)
Valve (16), the entrance of first liquid storage device (17) are connected with the second end of the first source heat exchanger (13)；4th check valve
(154) for connecting the second end of the entrance of the first expansion valve (16) and the first domestic hot water side heat exchanger (14), and it is swollen to be directed toward first
Swollen valve (16).
3. the heat pump system of refrigerant optimum management according to claim 1, which is characterized in that first liquid storage device
(17) inlet tube is communicated to the bottom of the first liquid storage device (17).
4. the heat pump system of refrigerant optimum management according to claim 1, which is characterized in that first liquid storage device
(17) outlet is drawn from the bottom of the first liquid storage device (17).
5. a kind of heat pump system of refrigerant optimum management, which is characterized in that including the second compressor (21), the second four-way valve
(22), the second source heat exchanger (23), the second domestic hot water side heat exchanger (24), the second unidirectional valve group (25), the second expansion valve (26)
With the second liquid storage device (27), the first port of second four-way valve (22) and the outlet of the second compressor (21), second
Port is connected with the entrance of the second compressor (21), and third connectivity mouth is connected with the first end of the second source heat exchanger (23), and the 4th
Port is connected with the first end of the second domestic hot water side heat exchanger (24)；
Following connection relation is realized by the described second unidirectional valve group (25)：The second end of the second source heat exchanger (23) to
Second expansion valve (26) is only connected between the second end of second domestic hot water side heat exchanger (24), and the second air-conditioning side exchanges heat
The second end of device (24) is sequentially communicated the second liquid storage device (27) and second swollen between the second end of the second source heat exchanger (23)
Swollen valve (26).
6. the heat pump system of refrigerant optimum management according to claim 5, which is characterized in that the second unidirectional valve group
(25) including four unidirectional valve cells, wherein, check valve I (251) is for connecting outlet and the second source of the second expansion valve (26)
The second end of side heat exchanger (23), and it is directed toward the second source heat exchanger (23)；Check valve II (252) is for connecting the second expansion valve
(26) outlet and the second end of the second domestic hot water side heat exchanger (24), and it is directed toward the second domestic hot water side heat exchanger (24)；Check valve III
(253) for connecting the second end of the entrance of the second expansion valve (26) and the second source heat exchanger (23), and it is directed toward the second expansion
Valve (26)；Check valve IV (254) is directed toward for connecting the outlet of the entrance and the second liquid storage device (27) of the second expansion valve (26)
Second expansion valve (26), the entrance of second liquid storage device (27) are connected with the second end of the second domestic hot water side heat exchanger (24).
7. the heat pump system of refrigerant optimum management according to claim 5, which is characterized in that second liquid storage device
(27) inlet tube is communicated to the bottom of the second liquid storage device (27).
8. the heat pump system of refrigerant optimum management according to claim 5, which is characterized in that second liquid storage device
(27) outlet is drawn from the bottom of the second liquid storage device (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633521.6U CN207487171U (en) | 2017-11-30 | 2017-11-30 | A kind of heat pump system of refrigerant optimum management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633521.6U CN207487171U (en) | 2017-11-30 | 2017-11-30 | A kind of heat pump system of refrigerant optimum management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487171U true CN207487171U (en) | 2018-06-12 |
Family
ID=62472202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721633521.6U Withdrawn - After Issue CN207487171U (en) | 2017-11-30 | 2017-11-30 | A kind of heat pump system of refrigerant optimum management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207487171U (en) |
-
2017
- 2017-11-30 CN CN201721633521.6U patent/CN207487171U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210910 Address after: 214521 No. 55, Xinjian North Road, Chengbei Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Yakai thermal technology (Jiangsu) Co.,Ltd. Address before: 214521 No. 55, Xinjian North Road, Chengbei Industrial Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU BAOAOLAN AIR CONDITIONING EQUIPMENT Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180612 Effective date of abandoning: 20220614 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180612 Effective date of abandoning: 20220614 |