CN207422950U - Double-tube heat exchanger and heat pump - Google Patents
Double-tube heat exchanger and heat pump Download PDFInfo
- Publication number
- CN207422950U CN207422950U CN201721153756.5U CN201721153756U CN207422950U CN 207422950 U CN207422950 U CN 207422950U CN 201721153756 U CN201721153756 U CN 201721153756U CN 207422950 U CN207422950 U CN 207422950U
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- China
- Prior art keywords
- refrigerant
- hermetically sealed
- pipe
- heat exchanger
- double
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- Withdrawn - After Issue
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 212
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000006837 decompression Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
Abstract
The utility model provides a kind of double-tube heat exchanger and heat pump, and the double-tube heat exchanger, including hermetically sealed can, water pipe and refrigerant pipe, the top of the hermetically sealed can is equipped with the first refrigerant mouth, and the lower part of the hermetically sealed can is equipped with the second refrigerant mouth；The lower end of the refrigerant pipe is fixed in hermetically sealed can, the upper end of the refrigerant pipe is exposed to the outside of the hermetically sealed can through the top of the hermetically sealed can, the upper end of the refrigerant pipe is equipped with the 3rd refrigerant mouth, and the tube wall that the refrigerant pipe is located inside the hermetically sealed can is equipped with multiple spray apertures；The water pipe is arranged on the inside of the hermetically sealed can, and the inlet and outlet of the water pipe both pass through the sudden and violent leakage in side of the hermetically sealed can in the outside of the hermetically sealed can, and the water inlet is located at the lower section of the water outlet.The utility model enables water during its refrigeration in double-tube heat exchanger to realize reverse flow with refrigerant, and then realizes that heat exchange efficiency is high, saves the dosage of heat transfer area and refrigerant by setting different refrigerant pipes and refrigerant mouth.
Description
Technical field
The utility model is related to technical field of heat pumps, more particularly to a kind of double-tube heat exchanger and heat pump.
Background technology
Heat pump system is made of compressor, heat exchanger, throttling set and four-way valve, compressor, heat exchanger, throttling set
It connects to form circulation loop by pipeline with four-way valve.The double-tube heat exchanger of conventional heat pump system generally comprises two refrigerant mouths,
Inlet and outlet, water inlet is located at the lower section of water outlet, and when being heated, refrigerant is from the refrigerant mouth stream being located above
To underlying refrigerant mouth, refrigerant is in reverse flow with water, the dosage of heat transfer area and refrigerant is saved, so as to exchange heat
It is efficient；When being freezed, refrigerant flow to the refrigerant mouth being located above, refrigerant and Shui Chu from underlying refrigerant mouth
Yu Bingxiang flows, and refrigerant utilization rate is relatively low, adds expense, and refrigerant can not realize the state of full liquid, therefore the effect that exchanges heat
Rate is not high.
Utility model content
For technical problem in the prior art, the purpose of this utility model is：There is provided a kind of double-tube heat exchanger and
Heat pump enables water during its refrigeration in double-tube heat exchanger to realize reverse flow with refrigerant, and then realizes that heat exchange efficiency is high, saves
The dosage of heat transfer area and refrigerant.
To achieve these goals, the utility model provides a kind of double-tube heat exchanger and heat pump, including hermetically sealed can, water pipe and
Refrigerant pipe, the top of the hermetically sealed can are equipped with the first refrigerant mouth, and the lower part of the hermetically sealed can is equipped with the second refrigerant mouth；
The lower end of the refrigerant pipe is fixed in hermetically sealed can, and the top of upper end through the hermetically sealed can of the refrigerant pipe is sudden and violent
The outside of the hermetically sealed can is exposed at, the upper end of the refrigerant pipe is equipped with the 3rd refrigerant mouth, and the refrigerant pipe is located at the hermetically sealed can
Internal tube wall is equipped with multiple spray apertures；The water pipe be arranged on the hermetically sealed can inside, and the water inlet of the water pipe and
The side that water outlet both passes through the hermetically sealed can is leaked in the outside of the hermetically sealed can cruelly, and the water inlet is located at the water outlet
Lower section.
Preferably, multiple spray apertures are evenly arranged on the refrigerant pipe length direction.
Preferably, the lower end closed of the refrigerant pipe.
Preferably, there is gap between the top of the water pipe and the top of hermetically sealed can.
Preferably, the ratio of the height of the gap and the hermetically sealed can is more than or equal to 1/10.
Preferably, the refrigerant pipe is coil pipe, helix tube or straight tube.
Preferably, when the refrigerant pipe is straight tube, the lower end of the refrigerant pipe and the bottom of the hermetically sealed can
It is fixedly connected.
Preferably, when the refrigerant pipe is coil pipe, the heat exchanger, which further includes, to be fixed in the hermetically sealed can
Supporting item, the coil pipe is fixed on the supporting item and positioned at the top of the water pipe.
Preferably, the water pipe is helix tube.
In order to realize identical purpose, the utility model additionally provides a kind of heat pump, including compressor, four-way valve, heat exchange
Device, throttling set, the first check valve, the second check valve and described sleeve pipe heat exchanger, the compressor, four-way valve, heat exchanger, section
Stream device connect to form circulation loop by pipeline with double-tube heat exchanger, the 3rd refrigerant mouth by the first check valve with it is described
Throttling set connects, and the second refrigerant mouth is connected by the second check valve with the throttling set, the first refrigerant mouth and
The four-way valve connection.
The utility model embodiment provides to obtain a kind of double-tube heat exchanger and heat pump, has following technique effect：
The present embodiment is provided with the first refrigerant mouth and the 3rd refrigerant mouth by the top in double-tube heat exchanger, is changed in casing
The lower part of hot device is provided with the second refrigerant mouth, and the tube wall that refrigerant pipe is located inside hermetically sealed can is equipped with multiple spray apertures, water pipe
Water outlet is located at the top of water inlet.When heating, refrigerant enters from the first refrigerant mouth in hermetically sealed can, then acts on water pipe
Outer surface, carry out heat exchange with flowing water in water pipe, the refrigerant after heat exchange flows out from the second refrigerant mouth.Work as refrigeration
When, refrigerant enters from the 3rd refrigerant mouth in refrigerant pipe, and the outer surface of water pipe is sprayed at by the spray apertures in refrigerant pipe, with water
Flowing water carries out heat exchange in pipe, and the refrigerant after heat exchange is flowed out from the first refrigerant mouth.It can be seen that when heating, water
The direction of flowing water is to flow from the bottom up in pipe, and the direction of refrigerant flowing is to flow to be located at from the first refrigerant mouth on top
In water tube surfaces below second refrigerant mouth；When cooling, the direction of flowing water is to flow from the bottom up in water pipe, refrigerant
The direction of flowing is to be flow to from the 3rd refrigerant mouth on top in the water tube surfaces below the first refrigerant mouth, it is achieved that system
The reverse flow of cryogen and water, and heat exchange efficiency is high, saves the dosage of heat transfer area and refrigerant.
It is further that the top of water pipe and the top of hermetically sealed can have gap, so that the gas in hermetically sealed can is not easy
Liquid is driven to be entered to by the first refrigerant mouth in compressor, can prevent double-tube heat exchanger from liquid hammer occur when being in full liquid status
Phenomenon.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram for double-tube heat exchanger that the utility model embodiment one provides；
Fig. 2 is a kind of top view for double-tube heat exchanger that the utility model embodiment one provides；
Fig. 3 is a kind of sectional view in the A-A directions for double-tube heat exchanger that the utility model embodiment one provides；
Fig. 4 is a kind of structure diagram of the first refrigerant pipe of double-tube heat exchanger that the utility model embodiment one provides；
Fig. 5 is a kind of dimensional structure diagram for double-tube heat exchanger that the utility model embodiment two provides；
Fig. 6 is a kind of top view for double-tube heat exchanger that the utility model embodiment two provides；
Fig. 7 is a kind of sectional view in the B-B directions for double-tube heat exchanger that the utility model embodiment two provides；
Fig. 8 is a kind of dimensional structure diagram for double-tube heat exchanger that the utility model embodiment three provides；
Fig. 9 is a kind of top view for double-tube heat exchanger that the utility model embodiment three provides；
Figure 10 is a kind of sectional view in the C-C directions for double-tube heat exchanger that the utility model embodiment three provides；
Figure 11 is a kind of principle schematic of heat pump provided by the utility model.
Wherein, 1, hermetically sealed can；2nd, water pipe；3rd, water inlet；4th, water outlet；5th, the first refrigerant pipe；6th, the second refrigerant pipe；7th,
Three refrigerant pipes；8th, the first refrigerant mouth；9th, the second refrigerant mouth；10th, the 3rd refrigerant mouth；11st, the first supporting item；12nd, the second supporting item；
13rd, cavity；14th, spray apertures；15th, pedestal；16th, compressor；17th, four-way valve；18th, the first check valve；19th, the second check valve；20、
Throttling set；21st, heat exchanger.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Embodiment one：
As shown in Figures 1 to 4, a kind of double-tube heat exchanger, including hermetically sealed can 1,2 and first refrigerant pipe 5 of water pipe, hermetically sealed can 1
Top is equipped with the first refrigerant mouth 8, and the lower part of hermetically sealed can 1 is equipped with the second refrigerant mouth 9；
The lower end of first refrigerant pipe 5 is fixed in hermetically sealed can 1, and the top of upper end through the hermetically sealed can 1 of the first refrigerant pipe 5 is sudden and violent
The outside of hermetically sealed can 1 is exposed at, the upper end of the first refrigerant pipe 5 is equipped with the 3rd refrigerant mouth 10, and the first refrigerant pipe 5 is located in hermetically sealed can 1
The tube wall in portion is equipped with multiple spray apertures 14；Water pipe 2 is arranged on the inside of hermetically sealed can 1, and the water inlet 3 of water pipe 2 and water outlet 4 are equal
It is leaked cruelly in the outside of hermetically sealed can 1 through the side of hermetically sealed can 1, water inlet 3 is located at the lower section of water outlet 4.When heating, refrigerant
In from the first refrigerant mouth 8 into hermetically sealed can 1, the outer surface of water pipe 2 is then acted on, hot friendship is carried out with 2 inner flowing water of water pipe
It changes, the refrigerant after heat exchange is flowed out from the second refrigerant mouth 9.When cooling, refrigerant is cold from the 3rd refrigerant mouth 10 into first
In matchmaker's pipe 5, the outer surface of water pipe 2 is sprayed at by the spray apertures 14 in the first refrigerant pipe 5,2 inner flowing water of water pipe carries out heat
It exchanges, the refrigerant after heat exchange is flowed out from the first refrigerant mouth 8.It can be seen that when heating, the side of flowing water in water pipe 2
To being to flow from the bottom up, the direction of refrigerant flowing is to be flow to from the first refrigerant mouth 8 on top positioned at 9 lower section of the second refrigerant mouth
2 surface of water pipe in；When cooling, the direction of flowing water is to flow from the bottom up in water pipe 2, and the direction of refrigerant flowing is
It is flow to from the 3rd refrigerant mouth 10 on top in 2 surface of water pipe of 8 lower section of the first refrigerant mouth, it is achieved that refrigerant and water
Reverse flow, and heat exchange efficiency is high, save heat transfer area and saves the dosage of refrigerant.
In the present embodiment, as shown in figure 3, multiple spray apertures 14 are evenly arranged on 5 length direction of the first refrigerant pipe, so as to
Refrigerant can be uniformly sprayed on the surface of water pipe 2, improve its heat transfer property.
In the present embodiment, as shown in Figures 3 and 4, the lower end closed of the first refrigerant pipe 5, further to enable the refrigerant to
It is more uniformly sprayed on the surface of water pipe 2.
In the present embodiment, as shown in figure 3, the top of water pipe 2 and the top of hermetically sealed can 1 have gap, gap and hermetically sealed can 1
Height ratio be more than or equal to 1/10 so that between the top of water pipe 2 and the top of hermetically sealed can 1 formed cavity 13, and then
The gas in hermetically sealed can 1 is made to be not easy that liquid is driven to enter in compressor by the first refrigerant mouth 8, can be prevented at double-tube heat exchanger
There is the phenomenon that liquid hammer when full liquid status.
In the present embodiment, as shown in Figures 3 and 4, the first refrigerant pipe 5 can be coil pipe, helix tube or straight tube, not to be limited,
It can be designed as needed, the first refrigerant pipe of the present embodiment 5 is coil pipe, and water pipe 2 is helix tube, and heat exchanger, which further includes, to be fixed on
Supporting item in hermetically sealed can 1, the first supporting item 11 in the present embodiment is straight tube, and coil pipe is fixed on the first supporting item 11 and position
It is coil pipe by setting the first refrigerant pipe 5 in the top of water pipe 2, water pipe 2 is helix tube, when double-tube heat exchanger is freezed,
Refrigerant can be vertically sprayed at by the spray apertures 14 on the first refrigerant pipe 5 on the surface of water pipe 2.
In the present embodiment, as shown in figs. 1 and 3,1 bottom of hermetically sealed can is provided with pedestal 15, and the quantity of pedestal 15 is three, is led to
Setting pedestal 15 is crossed, the stability of hermetically sealed can 1 can be enhanced.
Embodiment two：
Difference lies in this realities with embodiment one for a kind of double-tube heat exchanger and heat pump that the utility model embodiment two provides
It applies in example, as shown in Fig. 5,6 and 7, the second refrigerant pipe 6 is straight tube, and the lower end and the bottom of hermetically sealed can 1 of the second refrigerant pipe 6 are fixed
Connection, water pipe 2 are helix tube, are straight tube by setting the second refrigerant pipe 6, when double-tube heat exchanger is freezed, refrigerant energy
It is uniformly sprayed on the surface of water pipe 2 around by the spray apertures 14 on the second refrigerant pipe 6, so as to realize refrigerant by water
2 surface of pipe submerges, and further improves heat exchange efficiency.
In addition, the other technical characteristics of the utility model embodiment two are identical with embodiment one, details are not described herein.
Embodiment three：
A kind of double-tube heat exchanger that the present embodiment three provides and heat pump and embodiment two difference lies in, in the present embodiment,
As shown in Fig. 8,9 and 10, the 3rd refrigerant pipe 7 is straight tube, and the upper end of the 3rd refrigerant pipe 7 is equipped with the company being connected with the 3rd refrigerant mouth 10
Hole is connect, the lower end of the 3rd refrigerant pipe 7 is fixedly connected with the bottom of hermetically sealed can 1, and the second supporting item is provided among the 3rd refrigerant pipe 7
12, the second supporting item 12 is straight tube, and water pipe 2 is helix tube, and when double-tube heat exchanger is freezed, refrigerant passes through the 3rd refrigerant
Mouth 10 is entered in the 3rd refrigerant pipe 7, and water pipe 2 is uniformly sprayed at around finally by the spray apertures 14 on the 3rd refrigerant pipe 7
Surface on, the second supporting item 12 is provided among the 3rd refrigerant pipe 7 so that from the 3rd refrigerant mouth 10 spray refrigerant
It acts on after the second supporting item 12, is sprayed to the 3rd refrigerant pipe 7.
In addition, the other technical characteristics of the utility model embodiment three are identical with embodiment two, details are not described herein.
In conclusion the present embodiment is provided with the first refrigerant mouth and the 3rd refrigerant by the top in double-tube heat exchanger
Mouthful, the second refrigerant mouth is provided in the lower part of double-tube heat exchanger, the tube wall that refrigerant pipe is located inside hermetically sealed can is equipped with multiple sprays
Hole is drenched, the water outlet of water pipe is located at the top of water inlet.When heating, refrigerant enters from the first refrigerant mouth in hermetically sealed can, so
The outer surface of water pipe is acted on afterwards, heat exchange is carried out with flowing water in water pipe, and refrigerant after heat exchange is from the second refrigerant mouth
Outflow.When cooling, refrigerant enters from the 3rd refrigerant mouth in refrigerant pipe, and water pipe is sprayed at by the spray apertures in refrigerant pipe
Outer surface, flowing water carries out heat exchange in water pipe, and the refrigerant after heat exchange is flowed out from the first refrigerant mouth.It can be seen that work as
During heating, the direction of flowing water is to flow from the bottom up in water pipe, and the direction of refrigerant flowing is the first refrigerant from top
Mouth is flow in the water tube surfaces below the second refrigerant mouth；When cooling, the direction of flowing water is from the bottom up in water pipe
Flowing, the direction of refrigerant flowing is to be flow to from the 3rd refrigerant mouth on top in the water tube surfaces below the first refrigerant mouth,
It is achieved that the reverse flow of refrigerant and water, and heat exchange efficiency is high, saves the dosage of heat transfer area and refrigerant.
A kind of heat pump, it is as shown in figure 11, single including compressor 16, four-way valve 17, heat exchanger 21, throttling set 20, first
To valve 18, the second check valve 19 and double-tube heat exchanger, compressor 16, four-way valve 17, heat exchanger 21, throttling set 20 and casing change
Hot device connects to form circulation loop by pipeline, and the exhaust outlet of compressor 16 is connected with the D mouths of four-way valve 17, compressor 16 into
Gas port is connected with the S mouths of four-way valve 17, and the 3rd refrigerant mouth 10 is connected by the first check valve 18 with throttling set 20, the second refrigerant
Mouth 9 is connected by the second check valve 19 with throttling set 20, and the first refrigerant mouth 8 is connected with four-way valve 17, wherein the first refrigerant mouth 8
It is connected with the C mouths of four-way valve 17.
Heating mode：
As shown in Fig. 1 to 11, compressor 16 works, and 16 exhaust outlet of compressor discharges the refrigerant gas of high temperature and pressure, high
D mouth and C mouthful outflows of the refrigerant gas of warm high pressure from four-way valve 17, pass through the first refrigerant mouth 8 being located on 1 top of hermetically sealed can
It enters in double-tube heat exchanger, with carrying out heat exchange, after heat exchange, the refrigerant of high temperature and pressure into the water in oral siphon 2 simultaneously
Gas becomes the refrigerant liquid of cryogenic high pressure, and the refrigerant liquid of cryogenic high pressure is flowed out by the second refrigerant mouth 9, and in water pipe 2
Water temperature rise, the refrigerant liquid of cryogenic high pressure enters throttling set 20 by the second refrigerant mouth 9 through the second check valve 19,
Become the refrigerant liquid of low-temp low-pressure after the decompression of throttling set 20, the refrigerant liquid of low-temp low-pressure is evaporated through heat exchanger 21
Become the refrigerant gas of low-temp low-pressure afterwards, finally by the air inlet that the E mouths of four-way valve 17 flow back into compressor 16 with S mouthfuls,
The above process forms the heating Xun Huan of heat pump.In the process, refrigerant gas carries out heat exchange with water in double-tube heat exchanger
When, refrigerant gas flow to the second refrigerant mouth 9 from the first refrigerant mouth 8, and flow direction is from top to bottom, and to need heat exchange
Water is to flow to water outlet 4 from the water inlet 3 in refrigerant pipe, flow direction be from the bottom up, therefore, during heating, refrigerant with
Water is exchanged heat in reverse flow, is saved heat transfer area and is saved the dosage of refrigerant, improves heat transfer effect.
Refrigeration mode：
As shown in Fig. 1 to 11, compressor 16 works, and 16 exhaust outlet of compressor discharges the refrigerant gas of high temperature and pressure, high
The refrigerant gas of warm high pressure is flow to E mouthfuls in heat exchanger 21 from the D mouths of four-way valve 17, after the condensation of heat exchanger 21, refrigeration
Agent gas becomes the refrigerant liquid of cryogenic high pressure, and the refrigerant liquid of cryogenic high pressure becomes low after the decompression of throttling set 20
The refrigerant liquid of warm low pressure, the refrigerant liquid of low-temp low-pressure enter refrigerant by the first check valve 18 and the 3rd refrigerant mouth 10
Guan Zhong, wherein, refrigerant pipe is respectively the first refrigerant pipe 5, the second refrigerant pipe 6 and the 3rd refrigerant pipe 7, then by refrigerant pipe
Spray apertures are uniformly sprayed in the surface of water pipe 2, and with carrying out heat exchange into the water in oral siphon 2 simultaneously, after heat exchange, low temperature is low
The refrigerant liquid of pressure becomes the refrigerant gas of low-temp low-pressure, and the refrigerant gas of low-temp low-pressure is from being located at 1 top of hermetically sealed can
On the first refrigerant mouth 8 flow out, finally by the air inlet that the C mouths of four-way valve 17 flow back into compressor 16 with S mouthfuls, the above process
Form the refrigeration cycle of heat pump.In the process, refrigerant and water carry out heat exchange in double-tube heat exchanger, and refrigerant is from the 3rd
Refrigerant mouth 10 is flow in the water pipe 2 of the lower section of the first refrigerant mouth 8, and flow direction is from top to bottom, and to need heat exchange
Water is to flow to water outlet 4 from the water inlet 3 in refrigerant pipe, flow direction be from the bottom up, therefore, during refrigeration, refrigerant with
Water is exchanged heat in reverse flow, is saved heat transfer area and is saved the dosage of refrigerant, improves heat transfer effect.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
Personnel's water on the premise of utility model principle is not departed from, can also make several improvement and deformation, these are improved and deformation
It is also considered as the scope of protection of the utility model.
Claims (10)
1. a kind of double-tube heat exchanger, which is characterized in that including hermetically sealed can, water pipe and refrigerant pipe, the top of the hermetically sealed can is equipped with
First refrigerant mouth, the lower part of the hermetically sealed can are equipped with the second refrigerant mouth；
The lower end of the refrigerant pipe is fixed in hermetically sealed can, and the top of upper end through the hermetically sealed can of the refrigerant pipe is exposed to
The outside of the hermetically sealed can, the upper end of the refrigerant pipe are equipped with the 3rd refrigerant mouth, and the refrigerant pipe is located inside the hermetically sealed can
Tube wall be equipped with multiple spray apertures；The water pipe is arranged on the inside of the hermetically sealed can, and the water inlet of the water pipe and water outlet
The side that mouth both passes through the hermetically sealed can is leaked in the outside of the hermetically sealed can cruelly, and the water inlet is located under the water outlet
Side.
2. double-tube heat exchanger as described in claim 1, which is characterized in that be evenly arranged on the refrigerant pipe length direction more
A spray apertures.
3. double-tube heat exchanger as described in claim 1, which is characterized in that the lower end closed of the refrigerant pipe.
4. double-tube heat exchanger as described in claim 1, which is characterized in that between the top of the water pipe and the top of hermetically sealed can
With gap.
5. double-tube heat exchanger as claimed in claim 4, which is characterized in that the ratio of the height of the gap and the hermetically sealed can
More than or equal to 1/10.
6. double-tube heat exchanger as described in claim 1, which is characterized in that the refrigerant pipe is coil pipe, helix tube or straight tube.
7. double-tube heat exchanger as claimed in claim 6, which is characterized in that when the refrigerant pipe is straight tube, the refrigerant pipe
Lower end be fixedly connected with the bottom of the hermetically sealed can.
8. double-tube heat exchanger as claimed in claim 6, which is characterized in that when the refrigerant pipe is coil pipe, the heat exchanger
The supporting item being fixed in the hermetically sealed can is further included, the coil pipe is fixed on the supporting item and positioned at the upper of the water pipe
Side.
9. double-tube heat exchanger as described in claim 1, which is characterized in that the water pipe is helix tube.
10. a kind of heat pump, which is characterized in that including compressor, four-way valve, heat exchanger, throttling set, the first check valve, second
Check valve and such as claim 1-9 any one of them double-tube heat exchangers, the compressor, four-way valve, heat exchanger, throttling set
It connects to form circulation loop by pipeline with double-tube heat exchanger, the 3rd refrigerant mouth is filled by the first check valve and the throttling
Connection is put, the second refrigerant mouth is connected by the second check valve with the throttling set, the first refrigerant mouth and described four
Port valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153756.5U CN207422950U (en) | 2017-09-08 | 2017-09-08 | Double-tube heat exchanger and heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153756.5U CN207422950U (en) | 2017-09-08 | 2017-09-08 | Double-tube heat exchanger and heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207422950U true CN207422950U (en) | 2018-05-29 |
Family
ID=62315922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721153756.5U Withdrawn - After Issue CN207422950U (en) | 2017-09-08 | 2017-09-08 | Double-tube heat exchanger and heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207422950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543432A (en) * | 2017-09-08 | 2018-01-05 | 广东芬尼克兹节能设备有限公司 | Double-tube heat exchanger and heat pump |
| CN109099730A (en) * | 2018-07-13 | 2018-12-28 | 珠海格力电器股份有限公司 | Double-tube heat exchanger and coolant circulating system |
| CN114993074A (en) * | 2022-06-11 | 2022-09-02 | 佛山市顺德区鑫雷节能设备有限公司 | Novel high-efficiency tank heat exchanger with built-in coil type enthalpy-increasing pipe |
-
2017
- 2017-09-08 CN CN201721153756.5U patent/CN207422950U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543432A (en) * | 2017-09-08 | 2018-01-05 | 广东芬尼克兹节能设备有限公司 | Double-tube heat exchanger and heat pump |
| CN107543432B (en) * | 2017-09-08 | 2024-03-22 | 广东芬尼克兹节能设备有限公司 | Double-pipe heat exchanger and heat pump |
| CN109099730A (en) * | 2018-07-13 | 2018-12-28 | 珠海格力电器股份有限公司 | Double-tube heat exchanger and coolant circulating system |
| CN114993074A (en) * | 2022-06-11 | 2022-09-02 | 佛山市顺德区鑫雷节能设备有限公司 | Novel high-efficiency tank heat exchanger with built-in coil type enthalpy-increasing pipe |
| CN114993074B (en) * | 2022-06-11 | 2023-10-13 | 佛山市顺德区鑫雷节能设备有限公司 | Efficient tank heat exchanger with built-in coil type enthalpy-increasing pipe |
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