CN209197193U - A kind of Bidirectional cascade heat pump circulating system - Google Patents
A kind of Bidirectional cascade heat pump circulating system Download PDFInfo
- Publication number
- CN209197193U CN209197193U CN201821863760.5U CN201821863760U CN209197193U CN 209197193 U CN209197193 U CN 209197193U CN 201821863760 U CN201821863760 U CN 201821863760U CN 209197193 U CN209197193 U CN 209197193U
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- CN
- China
- Prior art keywords
- heat exchanger
- outdoor heat
- way reversing
- compressor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Bidirectional cascade heat pump circulating systems.It is related to overlapping heat pump circulating system technical field.Including compressor, the outlet of compressor is divided into two branches, and branch one is connected with the C-terminal of four-way reversing valve, and branch two successively accesses the arrival end of outdoor heat exchanger by second solenoid valve, heater, check valve；The end D of four-way reversing valve is connected with the arrival end of indoor heat exchanger；The arrival end of the outlet end access outdoor heat exchanger of indoor heat exchanger；The outlet end of outdoor heat exchanger is connected with the end D of four-way reversing valve；The end A of four-way reversing valve is connected with the arrival end of gas-liquid separator；The arrival end of the outlet end access compressor of gas-liquid separator.The utility model is made up of the circulatory system of compressor, heater, outdoor heat exchanger, gas-liquid separator solenoid valve, increases the flowing velocity of the refrigerant of the circulatory system, accelerates the defrosting speed of outdoor heat exchanger, improves working efficiency.
Description
Technical field
The utility model belongs to overlapping heat pump circulating system technical field, more particularly to a kind of Bidirectional cascade heat pump cycle
System.
Background technique
Cascade refrigeration cycle is that biggish total temperature difference is divided into two sections or several segments, is held with the refrigerating capacity of high-temperature level
The condensation load for carrying on a shoulder pole low-temperature level, to obtain the mode of lower cryogenic temperature.
The advantages of cascade cycle freezes is to recycle by conventional steam compression type refrigerating, in service pressure model
It is able to achieve the cryogenic temperature down to -140 DEG C under the premise of enclosing with pressure ratio, has greatly been widened while guaranteeing working efficiency often
The refrigeration temperature area of rule system.
Outdoor heat exchanger in existing overlapping heat pump easily adheres to frost in winter, influences the heating effect of system.
Utility model content
The purpose of this utility model is to provide a kind of Bidirectional cascade heat pump circulating systems to be led to by the heater being equipped with
The circulatory system that solenoid valve constitutes compressor, heater, outdoor heat exchanger, gas-liquid separator is crossed, the refrigeration of the circulatory system is increased
The flowing velocity of agent accelerates the defrosting speed of outdoor heat exchanger, improves working efficiency；It is made in addition, being realized by four-way reversing valve
The two-way flow of cryogen realizes refrigeration and heating work, solves the problems, such as that the defrosting effect of existing overlapping heat pump system is poor.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of Bidirectional cascade heat pump circulating system, including compressor, the outlet of the compressor are divided into
Two branches, wherein branch one is connected with the C-terminal of four-way reversing valve, and branch two successively passes through second solenoid valve, heater, list
To the arrival end of valve access outdoor heat exchanger；The end D of the four-way reversing valve is connected with the arrival end of indoor heat exchanger；It is described
The arrival end of the outlet end access outdoor heat exchanger of indoor heat exchanger；
The outlet end of the outdoor heat exchanger is connected with the end D of four-way reversing valve；The end A of the four-way reversing valve and gas
The arrival end of liquid/gas separator is connected；The arrival end of the outlet end access compressor of the gas-liquid separator.
Further, it is successively arranged on the connecting line of the arrival end of the outlet end and heat exchanger of the indoor heat exchanger swollen
Swollen valve, the first solenoid valve.
Further, the heater is tube heater.
Further, fan is mounted at the air port of the outdoor heat exchanger and air port of indoor heat exchanger.
The utility model has the following beneficial effects:
The utility model passes through the heater being equipped with, and constitutes compressor, heater, outdoor heat exchanger, gas by solenoid valve
The circulatory system of liquid/gas separator increases the flowing velocity of the refrigerant of the circulatory system, accelerates the defrosting speed of outdoor heat exchanger, mentions
High working efficiency；In addition, realizing the two-way flow of refrigerant by four-way reversing valve, refrigeration and heating work are realized.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the system structure diagram of the utility model；
In attached drawing, parts list represented by the reference numerals are as follows:
1- compressor, 2- four-way reversing valve, 3- outdoor heat exchanger, the first solenoid valve of 4-, 5- expansion valve exchange heat in the room 6-
Device, 7- gas-liquid separator, 8- second solenoid valve, 9- heater, 10- check valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Refering to Figure 1, the utility model is a kind of Bidirectional cascade heat pump circulating system, including compressor 1, compressor
1 outlet is divided into two branches, wherein branch one is connected with the C-terminal of four-way reversing valve 2, and branch two successively passes through the second electromagnetism
Valve 8, heater 9, check valve 10 access the arrival end of outdoor heat exchanger 3；The end D of four-way reversing valve 2 and entering for indoor heat exchanger 6
Mouth end is connected；The arrival end of the outlet end access outdoor heat exchanger 3 of indoor heat exchanger 6；
The outlet end of outdoor heat exchanger 3 is connected with the end D of four-way reversing valve 2；The end A of four-way reversing valve 2 and gas-liquid point
Arrival end from device 7 is connected；The arrival end of the outlet end access compressor 1 of gas-liquid separator 7.
Bidirectional cascade heat pump circulating system is when running cooling condition:
Four-way reversing valve 2 is connected to the outlet end of compressor 1 and the arrival end of indoor heat exchanger 6, and is connected to outdoor heat exchanger 3
Outlet end and gas-liquid separator 7 arrival end, and open the first solenoid valve 4, close second solenoid valve 8；Indoor heat exchanger 6 is
Evaporator, outdoor heat exchanger 3 are condenser.
Bidirectional cascade heat pump circulating system is when running heating condition:
Four-way reversing valve 2 is connected to the outlet end of compressor 1 and the arrival end of outdoor heat exchanger 3, and is connected to indoor heat exchanger 6
Outlet end and gas-liquid separator 7 arrival end, and open the first solenoid valve 4, close second solenoid valve 8；Indoor heat exchanger 6 is
Condenser, outdoor heat exchanger 3 are evaporator.
Bidirectional cascade heat pump circulating system is when running defrosting operating condition:
Four-way reversing valve 2 is connected to the outlet end of compressor 1 and the arrival end of indoor heat exchanger 6, and is connected to outdoor heat exchanger 3
Outlet end and gas-liquid separator 7 arrival end, and close the first solenoid valve 4, open second solenoid valve 8.
Wherein, be successively arranged on the connecting line of the arrival end of the outlet end of indoor heat exchanger 6 and heat exchanger 3 expansion valve 5,
First solenoid valve 4.
Wherein, heater 9 is tube heater.
Wherein, fan is mounted at the air port of the outdoor heat exchanger 3 and air port of indoor heat exchanger 6.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of Bidirectional cascade heat pump circulating system, including compressor (1), it is characterised in that:
The outlet of the compressor (1) is divided into two branches, wherein branch one is connected with the C-terminal of four-way reversing valve (2), branch
Two successively access the arrival end of outdoor heat exchanger (3) by second solenoid valve (8), heater (9), check valve (10)；Described four
The end D of logical reversal valve (2) is connected with the arrival end of indoor heat exchanger (6)；Room is accessed in the outlet end of the indoor heat exchanger (6)
The arrival end of external heat exchanger (3)；
The outlet end of the outdoor heat exchanger (3) is connected with the end D of four-way reversing valve (2)；The A of the four-way reversing valve (2)
End is connected with the arrival end of gas-liquid separator (7)；The entrance of outlet end access compressor (1) of the gas-liquid separator (7)
End.
2. a kind of Bidirectional cascade heat pump circulating system according to claim 1, which is characterized in that the indoor heat exchanger
(6) expansion valve (5), the first solenoid valve are successively arranged on the connecting line of the arrival end of outlet end and outdoor heat exchanger (3)
(4)。
3. a kind of Bidirectional cascade heat pump circulating system according to claim 1, which is characterized in that the heater (9) is
Tube heater.
4. a kind of Bidirectional cascade heat pump circulating system according to claim 1, which is characterized in that the outdoor heat exchanger
(3) fan is mounted at air port and at the air port of indoor heat exchanger (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863760.5U CN209197193U (en) | 2018-11-13 | 2018-11-13 | A kind of Bidirectional cascade heat pump circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863760.5U CN209197193U (en) | 2018-11-13 | 2018-11-13 | A kind of Bidirectional cascade heat pump circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197193U true CN209197193U (en) | 2019-08-02 |
Family
ID=67411414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863760.5U Expired - Fee Related CN209197193U (en) | 2018-11-13 | 2018-11-13 | A kind of Bidirectional cascade heat pump circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594952A (en) * | 2020-12-16 | 2021-04-02 | 宁波爱握乐热能科技有限公司 | Ultra-low temperature frequency conversion cascade air source heat pump unit |
-
2018
- 2018-11-13 CN CN201821863760.5U patent/CN209197193U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594952A (en) * | 2020-12-16 | 2021-04-02 | 宁波爱握乐热能科技有限公司 | Ultra-low temperature frequency conversion cascade air source heat pump unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20211113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |