CN205747565U - A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit - Google Patents
A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit Download PDFInfo
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- CN205747565U CN205747565U CN201620022894.9U CN201620022894U CN205747565U CN 205747565 U CN205747565 U CN 205747565U CN 201620022894 U CN201620022894 U CN 201620022894U CN 205747565 U CN205747565 U CN 205747565U
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- economizer
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Abstract
nullA kind of multi-functional heat reclamation type enthalpy increasing heat pump unit，Overcome existing multi-functional heat reclamation type source pump temperature relatively low time ineffective problem，Feature be compressor be air injection enthalpy-increasing compressor，Compressor outlet is connected with condenser inlet，Condensator outlet is connected with cross valve the first port，Compressor inlet is connected with separator outlet，Compressor liquid sucting port is connected with economizer arm refrigerant exit，Economizer supervisor's coolant import is connected with fluid reservoir outlet，Economizer supervisor's refrigerant exit and the 3rd check valve and the 4th check valve are connected，Provide the benefit that and cold-producing medium can be made to carry out partial circulating，Reach the effect that cold-producing medium reducing temperature twice is delivered in vaporizer，By the first electromagnetic valve、Second electromagnetic valve and the conversion opened and close of the 3rd electromagnetic valve，4 circulations can be realized respectively，Meet separate refrigeration wind、Individually heat wind、Individually water heating and water heating and the 4 of cold wind kinds of different demands simultaneously，Work efficiency is high，Energy-saving effect is more preferable.
Description
Technical field
This utility model belongs to heat reclamation type technical field of heat pumps scope, increases enthalpy particularly to a kind of multi-functional heat reclamation type
Source pump.
Background technology
Heat reclamation type air energy thermal pump assembly is energy-conservation and pollution-free when producing hot water, the development applied along with it, more comes
More being paid close attention to by people, market also emerges various forms of source pump, the patent No. of the most patented power of the applicant
Utility model patent for ZL201420697723.7 discloses a kind of multi-functional heat reclamation type source pump, this utility model
Patent overcomes the problem that prior art cannot individually produce hot blast, it is achieved that individually water heating, separate refrigeration wind, cold wind and heat
Water produces simultaneously, individually heat wind and simple in construction, operation and easy to maintenance, failure rate is low, good energy-conserving effect, but this practicality
Novel by compressor, cross valve, evaporator fin, the first electromagnetic expanding valve, the first electromagnetic valve, the second electromagnetic valve, the second electromagnetism
Expansion valve, refrigerating evaporator and gas-liquid separator are sequentially connected one separate refrigeration circulation of formation, and internal refrigeration storage agent is to environment temperature
Degree requires higher, inefficiency when temperature is relatively low.
Summary of the invention
Technical problem to be solved in the utility model is, in place of overcoming the deficiencies in the prior art, individually heats meeting
Water, separate refrigeration wind, cold wind and hot water is produced simultaneously, individually heat outside wind, it is also possible to make cold-producing medium carry out partial circulating and reach system
Cryogen reducing temperature twice delivers to the multi-functional heat reclamation type enthalpy increasing heat pump unit of the one in vaporizer.
The technical solution adopted in the utility model includes compressor, condenser, heat exchanger, fluid reservoir, economizer, separation
Device, cross valve, vaporizer, filter, the first heating power expansion valve, the second heating power expansion valve, electric expansion valve, the 3rd electromagnetic valve with
And first check valve, the second check valve, the 3rd check valve and the 4th check valve, described compressor is air injection enthalpy-increasing compressor, contains
Having compressor outlet, compressor inlet and compressor liquid sucting port, described economizer contains economizer arm refrigerant exit, economizer
Supervisor's coolant import, economizer supervisor's refrigerant exit and economizer arm coolant import, wherein, compressor outlet enters with condenser
Mouth is connected by the first pipeline and the second pipeline, and condensator outlet is by the 3rd pipeline and the 4th pipeline and cross valve the first port
Connecting, described first pipeline, the second pipeline and the 4th pipeline are connected by the first threeway, and compressor inlet passes through the 16th pipeline
Being connected with separator outlet, compressor liquid sucting port is connected with economizer arm refrigerant exit by the 17th pipeline, economizer master
Pipe coolant import is connected by the outlet of the 12nd pipeline and fluid reservoir, and economizer supervisor's refrigerant exit passes through the 14th pipeline and the
The 6th threeway installed on ten pipelines is connected with the 3rd check valve and the 4th check valve, installs the 7th threeway on the 12nd pipeline
And be connected with economizer arm coolant import by the 13rd pipeline, described second pipeline installs the first electromagnetic valve, the
Second electromagnetic valve is installed on four pipelines.
Described heat exchanger is plate type heat exchanger.
Compared with prior art, the beneficial effects of the utility model are owing to using air injection enthalpy-increasing compressor, and in system
In add economizer, cold-producing medium can be made to carry out partial circulating, reach the effect that cold-producing medium reducing temperature twice is delivered in vaporizer, logical
Cross the first electromagnetic valve, the second electromagnetic valve and the conversion opened and close of the 3rd electromagnetic valve, 4 circulations can be realized respectively, full
Foot separate refrigeration wind, individually heat wind, independent water heating and simultaneously water heating and the 4 of cold wind kinds of different demands, work efficiency
Height, energy-saving effect is more preferable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
1. compressor,
1-1. compressor outlet, 1-2. compressor inlet, 1-3. compressor liquid sucting port
2. condenser, 2-1. condenser inlet, 2-2. condensator outlet,
3. heat exchanger, 3-1. heat exchanger import, 3-2. heat exchanger exit,
4. fluid reservoir, 4-1. fluid reservoir exports, 4-2. fluid reservoir import,
5. economizer,
5-1. economizer arm refrigerant exit, the supervisor's coolant import of 5-2. economizer,
5-3. economizer supervisor's refrigerant exit, 5-4. economizer arm coolant import
6. separator,
6-1. separator outlet, 6-2. separator import,
7. cross valve,
7-1. cross valve the first port, 7-2. cross valve the second port,
7-3. cross valve the 3rd port, 7-4. cross valve the 4th port,
8. vaporizer,
8-1. evaporator, 8-2. evaporator outlet,
9. the first electromagnetic valve, 10. the second electromagnetic valve,
11. first check valves, 12. second check valves, 13. the 3rd check valves,
14. the 4th check valves, 15. filters, 16. first heating power expansion valves,
17. the 3rd electromagnetic valves, 18. second heating power expansion valves, 19. electric expansion valves,
20. first pipelines, 21. second pipelines, 22. the 3rd pipelines, 23. the 4th pipelines, 24. the 5th pipelines,
25. the 6th pipelines, 26. the 7th pipelines, 27. the 8th pipelines, 28. the 9th pipelines, 29. the tenth pipelines,
30. the 11st pipelines, 31. the 12nd pipelines, 32. the 13rd pipelines, 33. the 14th pipelines,
34. the 15th pipelines, 35. the 16th pipelines, 36. the 17th pipelines, 37. the 18th pipelines,
38. first threeways, 39. second threeways, 40. the 3rd threeways, 41. the 4th threeways,
42. the 5th threeways, 43. the 6th threeways, 44. the 7th threeways, 45. the 8th threeways, 46. the 9th threeways.
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model includes compressor 1, condenser 2, heat exchanger 3, fluid reservoir 4, economizer 5, separates
Device 6, cross valve 7, vaporizer 8, described compressor 1 is air injection enthalpy-increasing compressor, containing compressor outlet 1-1, compressor inlet
1-2 and compressor liquid sucting port 1-3, described condenser 2 is containing condenser inlet 2-1 and condensator outlet 2-2, described heat exchanger 3
Containing heat exchanger import 3-1 and heat exchanger exit 3-2, described fluid reservoir 4 exports 4-1 and fluid reservoir import 4-2 containing fluid reservoir,
Described economizer 5 is containing economizer arm refrigerant exit 5-1, economizer supervisor coolant import 5-2, economizer supervisor's refrigerant exit
5-3 and economizer arm coolant import 5-4, described separator 6 containing separator outlet 6-1 and separator import 6-2, described four
Logical valve 7 is containing cross valve the first port 7-1, cross valve the second port 7-2, cross valve the 3rd port 7-3 and cross valve the 4th end
Mouth 7-4, described vaporizer 8 is containing evaporator 8-1 and evaporator outlet 8-2；Wherein, compressor outlet 1-1 and condenser
Import 2-1 is connected by the first pipeline 20 and the second pipeline 21, installs the first electromagnetic valve 9 on the second pipeline 21, and condenser goes out
Mouth 2-2 is connected with cross valve the first port 7-1 by the 3rd pipeline 22 and the 4th pipeline 23, installs second on the 4th pipeline 23
Electromagnetic valve 10, described first pipeline the 20, second pipeline 21 and the 4th pipeline 23 are connected by the first threeway 38, compressor inlet 1-
2 are connected with separator outlet 6-1 by the 16th pipeline 35, and separator import 6-2 is by the 6th pipeline 25 and cross valve the 3rd
Port 7-3 is connected, and cross valve the second port 7-2 is connected with heat exchanger import 3-1 by the 5th pipeline 24, cross valve the 4th port
7-4 is connected with evaporator 8-1 by the 7th pipeline 26, and heat exchanger exit 3-2 and the 8th pipeline 27 are connected, the 8th pipeline 27
It is connected with the 9th pipeline 28 and the tenth pipeline 29 respectively by the 3rd threeway 40, the 9th pipeline 28 is installed the first check valve 11
With the second check valve 12, installing the 3rd check valve 13 and the 4th check valve 14 on the tenth pipeline 29, evaporator outlet 8-2 passes through
The 4th threeway 41 installed on 15th pipeline 34 is connected with the second check valve 12 and the 4th check valve 14 respectively, unidirectional first
5th threeway 42 is installed between valve 11 and the second check valve 12 and is connected with fluid reservoir import 4-2 by the 11st pipeline 30, storage
Flow container outlet 4-1 is connected with economizer supervisor coolant import 5-2 by the 12nd pipeline 31, installs on the 12nd pipeline 31
Filter 15, compressor liquid sucting port 1-3 is connected with economizer arm refrigerant exit 5-1 by the 17th pipeline 36, and economizer is responsible for
Refrigerant exit 5-3 is by the 6th threeway 43 and the 3rd check valve 13 and the 4th installed on the 14th pipeline 33 and the tenth pipeline 29
Check valve 14 is connected, and installs the second heating power expansion valve 18 on the 14th pipeline 33, installs the seven or three on the 12nd pipeline 31
Lead to 44 and be connected with economizer arm coolant import 5-4 by the 13rd pipeline 32, the 13rd pipeline 32 is installed the first heat
Power expansion valve 16 and the 3rd electromagnetic valve 17, install the 8th threeway 45 on the 12nd pipeline 31, install on the 17th pipeline 36
9th threeway 46, described 12nd pipeline 31 is managed by the 8th threeway the 45, the 18th pipeline 37 and the 9th threeway the 46 and the 17th
Road 36 connects, and installs electric expansion valve 19 on the 18th pipeline 37.
During use, when separate refrigeration wind, open the second electromagnetic valve 10 and the 3rd electromagnetic valve 17, close the first electromagnetic valve 9,
Now connect is that compressor the 1, second electromagnetic valve 10, cross valve the first port 7-1, cross valve the 4th port 7-4, vaporizer enter
Mouth 8-1, evaporator outlet 8-2, the second check valve 12, fluid reservoir import 4-2, fluid reservoir outlet 4-1, filter 15, economizer
Supervisor coolant import 5-2, economizer arm coolant import 5-4, the first heating power expansion valve the 16, the 3rd electromagnetic valve 17, economizer prop up
Pipe refrigerant exit 5-1, compressor liquid sucting port 1-3, economizer supervisor refrigerant exit 5-3, the second heating power expansion valve the 18, the 3rd are unidirectional
Valve 13, heat exchanger exit 3-2, heat exchanger import 3-1, cross valve the second port 7-2, cross valve the 3rd port 7-3, separator enter
Mouthful 6-2, separator outlet 6-1 and compressor inlet 1-2, form a circulation route, and now high-temperature high-pressure refrigerant is through the
Two electromagnetic valves 10, cross valve the 4th port 7-4, evaporator 8-1, evaporator outlet 8-2 be converted into cryogenic high pressure cold-producing medium,
Cryogenic high pressure cold-producing medium through the second check valve 12, fluid reservoir import 4-2, fluid reservoir outlet 4-1 and filter 15, is divided into master again
Auxiliary two-way, a road bypass is converted into low-temperature atmosphere-pressure cold-producing medium through the 3rd electromagnetic valve 17 and the first heating power expansion valve 16, then passes through
Economizer arm coolant import 5-4, economizer arm refrigerant exit 5-1, compressor liquid sucting port 1-3 return to compressor 1, another road
Main road is through economizer supervisor coolant import 5-2 and economizer supervisor refrigerant exit 5-3, and described main road and bypass are by economy
The cold exchange of device 5, carries out the cryogenic high pressure cold-producing medium through economizer main road increasing enthalpy and is converted into ultralow temperature high-pressure refrigerant, pass through
Second heating power expansion valve 18 is converted into ultralow temperature normal pressure cold-producing medium, then through the 3rd check valve 17, heat exchanger exit 3-2, heat exchange
Device import 3-1 is converted into normal temperature and pressure cold-producing medium, through cross valve the second port 7-2, cross valve the 3rd port 7-3, separator
Import 6-2, separator outlet 6-1, compressor inlet 1-2 and compressor 1 are converted into again high-temperature high-pressure refrigerant, are thusly-formed one
Individual circulation, realizes separate refrigeration wind effect.
When individually heating wind, open the second electromagnetic valve 10 and the 3rd electromagnetic valve 17, close the first electromagnetic valve 9, now connect
Logical is compressor the 1, second electromagnetic valve 10, cross valve the first port 7-1, cross valve the second port 7-2, heat exchanger import 3-1,
Heat exchanger exit 3-2, the first check valve 11, fluid reservoir import 4-2, fluid reservoir outlet 4-1, filter 15, economizer are responsible for cold
Matchmaker import 5-2, economizer arm coolant import 5-4, the first heating power expansion valve the 16, the 3rd electromagnetic valve 17, economizer arm coolant
Outlet 5-1, compressor liquid sucting port 1-3, economizer supervisor refrigerant exit 5-3, the second heating power expansion valve the 18, the 4th check valve 14,
Evaporator outlet 8-2, evaporator 8-1, cross valve the 4th port 7-4, cross valve the 3rd port 7-3, separator import 6-
2, separator outlet 6-1, compressor inlet 1-2, forms a circulation route, and now high-temperature high-pressure refrigerant is through the second electromagnetism
Valve 10, cross valve the first port 7-1, cross valve the second port 7-2, heat exchanger import 3-1, heat exchanger exit 3-2 are converted into low
Temperature high-pressure refrigerant, then through the first check valve 11, fluid reservoir import 4-2, fluid reservoir outlet 4-1, filter 15, economizer 5
Being divided into major-minor two-way, a road bypass is converted into low-temperature atmosphere-pressure cold-producing medium through the 3rd electromagnetic valve 17 and the first heating power expansion valve 16,
Compressor is returned to again through economizer arm coolant import 5-4, economizer arm refrigerant exit 5-1 and compressor liquid sucting port 1-3
1, another road main road is through economizer supervisor coolant import 5-2 and economizer supervisor refrigerant exit 5-3, described main road and bypass
By the cold exchange of economizer 5, the cryogenic high pressure cold-producing medium through economizer main road is carried out increases enthalpy and is converted into the compacting of ultralow temperature height
Cryogen, is converted into ultralow temperature normal pressure cold-producing medium through the second heating power expansion valve 18, then through the 4th check valve 14, evaporator outlet
8-2, evaporator 8-1 are converted into normal temperature and pressure cold-producing medium, through cross valve the 4th port 7-4, cross valve the 3rd port 7-
3, separator import 6-2, separator outlet 6-1, compressor inlet 1-2 and compressor 1, be converted into again high-temperature high-pressure refrigerant,
It is thusly-formed a circulation, realizes making independent hot blast effect.
Individually during water heating, open the first electromagnetic valve 9 and the 3rd electromagnetic valve 17, close the second electromagnetic valve 10, now connect
Be compressor the 1, first electromagnetic valve 9, condenser inlet 2-1, condensator outlet 2-2, cross valve the first port 7-1, cross valve
4th port 7-4, evaporator 8-1, evaporator outlet 8-2, the second check valve 12, fluid reservoir import 4-2, fluid reservoir export
4-1, filter 15, economizer supervisor coolant import 5-2, economizer arm coolant import 5-4, the first heating power expansion valve 16, the
Three electromagnetic valves 17, economizer arm refrigerant exit 5-1, compressor liquid sucting port 1-3, economizer supervisor refrigerant exit 5-3, the second heat
Power expansion valve the 18, the 3rd check valve 13, heat exchanger exit 3-2, heat exchanger import 3-1, cross valve the second port 7-2, cross valve
3rd port 7-3, separator import 6-2, separator outlet 6-1, compressor inlet 1-2, one circulation route of formation are the highest
Temperature high-pressure refrigerant is converted into cryogenic high pressure through the first electromagnetic valve 9, condenser inlet 2-1, condenser 2, condensator outlet 2-2
Cold-producing medium, then through cross valve the first port 7-1, cross valve the 4th port 7-4, evaporator 8-1, evaporator outlet 8-2
It is converted into normal temperature high voltage cold-producing medium, through the second check valve 12, fluid reservoir import 4-2, fluid reservoir outlet 4-1, filter 15 points
Becoming major-minor two-way, a road bypass is converted into normal temperature and pressure cold-producing medium through the 3rd electromagnetic valve 17 and the first heating power expansion valve 16, then
Compressor 1 is returned to through economizer arm coolant import 5-4, economizer arm refrigerant exit 5-1 and compressor liquid sucting port 1-3,
Another road main road is through economizer supervisor coolant import 5-2 and economizer supervisor refrigerant exit 5-3, and described main road leads to bypass
Cross the cold exchange of economizer 5, the normal temperature high voltage cold-producing medium through economizer main road carried out increases enthalpy and is converted into cryogenic high pressure cold-producing medium,
Be converted into low-temperature atmosphere-pressure cold-producing medium through the second heating power expansion valve 18, then through the 3rd check valve 13, heat exchanger exit 3-2, change
Hot device import 3-1, cross valve the second port 7-2, cross valve the 3rd port 7-3, separator import 6-2, separator outlet 6-1,
Compressor inlet 1-2 and compressor 1, be converted into again high-temperature high-pressure refrigerant, is thusly-formed a circulation, realizes individually heating
Water effect.
During water heating+cold wind, open the first electromagnetic valve 9 and the 3rd electromagnetic valve 17, close the second electromagnetic valve 10, now connect
Logical is compressor the 1, first electromagnetic valve 9, condenser inlet 2-1, condensator outlet 2-2, cross valve the first port 7-1, four-way
Valve 7, cross valve the second port 7-2, heat exchanger import 3-1, heat exchanger exit 3-2, the first check valve 11, fluid reservoir import 4-2,
Fluid reservoir outlet 4-1, filter 15, economizer supervisor coolant import 5-2, economizer arm coolant import 5-4, the first heating power are swollen
Swollen valve the 16, the 3rd electromagnetic valve 17, economizer arm refrigerant exit 5-1, compressor liquid sucting port 1-3, economizer supervisor's refrigerant exit
5-3, the second heating power expansion valve the 18, the 4th check valve 14, evaporator outlet 8-2, evaporator 8-1, cross valve the 4th port
7-4, cross valve the 3rd port 7-3, separator import 6-2, separator outlet 6-1 and compressor inlet 1-2, form a circulation
Route, now high-temperature high-pressure refrigerant is converted into low through the first electromagnetic valve 9, condenser inlet 2-1 and condensator outlet 2-2
Temperature high-pressure refrigerant, then through cross valve the first port 7-1, cross valve the second port 7-2, condenser inlet 3-1 and condenser
Outlet 3-2 is converted into normal temperature high voltage cold-producing medium, through the first check valve 11, fluid reservoir import 4-2, fluid reservoir outlet 4-1 and mistake
Filter 15 is divided into major-minor two-way, and a road bypass, through the 3rd electromagnetic valve 17 and the first heating power expansion valve 16, is converted into normal temperature and pressure
Cold-producing medium, then return to through economizer arm coolant import 5-4, economizer arm refrigerant exit 5-1, compressor liquid sucting port 1-3
Compressor 1, another road main road through economizer supervisor coolant import 5-2 and economizer supervisor refrigerant exit 5-3, described main road with
Bypass passes through the cold exchange of economizer, the normal temperature high voltage cold-producing medium through economizer main road carries out increase enthalpy and is converted into cryogenic high pressure system
Cryogen, is converted into low-temperature atmosphere-pressure cold-producing medium through the second heating power expansion valve 18, then through the 4th check valve 14, evaporator outlet 8-
2 and evaporator 8-1 are converted into normal temperature and pressure cold-producing medium, then through cross valve the 4th port 7-4, cross valve the 3rd port 7-
3, separator import 6-2, separator 6, separator outlet 6-1, compressor inlet 1-2 and compressor 1, be converted into again High Temperature High Pressure
Cold-producing medium, is thusly-formed a circulation, it is achieved hot water preparing and cold wind effect simultaneously.
Claims (2)
1. a multi-functional heat reclamation type enthalpy increasing heat pump unit, including compressor (1), condenser (2), heat exchanger (3), fluid reservoir
(4), economizer (5), separator (6), cross valve (7), vaporizer (8), filter (15), the first heating power expansion valve (16),
Two heating power expansion valves (18), electric expansion valve (19), the 3rd electromagnetic valve (17) and the first check valve (11), the second check valve
(12), the 3rd check valve (13) and the 4th check valve (14), it is characterised in that described compressor (1) is air injection enthalpy-increasing compressor,
Containing compressor outlet (1-1), compressor inlet (1-2) and compressor liquid sucting port (1-3), described economizer (5) is containing economy
Device arm refrigerant exit (5-1), economizer supervisor's coolant import (5-2), economizer supervisor's refrigerant exit (5-3) and economizer prop up
Pipe coolant import (5-4), wherein, compressor outlet (1-1) and condenser inlet (2-1) are by the first pipeline (20) and the second pipe
Road (21) connects, and condensator outlet (2-2) is by the 3rd pipeline (22) and the 4th pipeline (23) and cross valve the first port (7-1)
Connecting, described first pipeline (20), the second pipeline (21) and the 4th pipeline (23) are connected by the first threeway (38), and compressor enters
Mouth (1-2) is connected with separator outlet (6-1) by the 16th pipeline (35), and compressor liquid sucting port (1-3) is by the 17th pipe
Road (36) is connected with economizer arm refrigerant exit (5-1), and economizer supervisor's coolant import (5-2) is by the 12nd pipeline (31)
Being connected with fluid reservoir outlet (4-1), economizer supervisor's refrigerant exit (5-3) is by the 14th pipeline (33) and the tenth pipeline (29)
6th threeway (43) of upper installation is connected with the 3rd check valve (13) and the 4th check valve (14), in the upper peace of the 12nd pipeline (31)
Fill the 7th threeway (44) and be connected with economizer arm coolant import (5-4) by the 13rd pipeline (32), managing described second
Road (21) is upper installs the first electromagnetic valve (9), at the 4th pipeline (23) upper installation the second electromagnetic valve (10).
A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit, it is characterised in that in described heat exchange
Device (3) is plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620022894.9U CN205747565U (en) | 2016-01-12 | 2016-01-12 | A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620022894.9U CN205747565U (en) | 2016-01-12 | 2016-01-12 | A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit |
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| Publication Number | Publication Date |
|---|---|
| CN205747565U true CN205747565U (en) | 2016-11-30 |
Family
ID=57388330
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620022894.9U Expired - Fee Related CN205747565U (en) | 2016-01-12 | 2016-01-12 | A kind of multi-functional heat reclamation type enthalpy increasing heat pump unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN205747565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813008A (en) * | 2019-03-14 | 2019-05-28 | 王立华 | A kind of increasing enthalpy type is cold and hot all can to imitate recycling heat pump |
-
2016
- 2016-01-12 CN CN201620022894.9U patent/CN205747565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813008A (en) * | 2019-03-14 | 2019-05-28 | 王立华 | A kind of increasing enthalpy type is cold and hot all can to imitate recycling heat pump |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |