CN206191904U - Directly -heated type heat pump water heater unit with retaining defrosting - Google Patents
Directly -heated type heat pump water heater unit with retaining defrosting Download PDFInfo
- Publication number
- CN206191904U CN206191904U CN201621111988.XU CN201621111988U CN206191904U CN 206191904 U CN206191904 U CN 206191904U CN 201621111988 U CN201621111988 U CN 201621111988U CN 206191904 U CN206191904 U CN 206191904U
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- CN
- China
- Prior art keywords
- heat exchanger
- valve
- water
- mouthfuls
- heat
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- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000010257 thawing Methods 0.000 title abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 15
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000008400 supply water Substances 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a directly -heated type heat pump water heater unit with retaining defrosting, including compressor, cross valve, first heat exchanger, choke valve, first three -way valve, heat exchanger, second three -way valve, running water inlet tube, hot water outlet pipe, second heat exchanger and water tank, a mouth of cross valve and c mouth respectively with the import and the exit linkage of compressor, the one end of first heat exchanger is connected with the b mouth of cross valve, and the other end is connected with choke valve one end, the other end of choke valve is connected with a mouth of first three -way valve, the b mouth and the c mouth of first three -way valve are connected with heat exchanger's the import and the refrigerant liquid outlet of second heat exchanger respectively, heat exchanger establishes in the water tank, compares with prior art, in the heat supply water stage, utilizes the water tank to carry out the hot water storage, effectively utilizes the heat of storing hot water in the defrosting stage and carries out reverseization frost, play water temperature fluctuations and system security problem in the time of can solving the direct reverse defrosting of directly -heated type heat pump water heater unit.
Description
【Technical field】
The utility model is related to a kind of direct-heating heat pump water heater group of retaining defrosting, belongs to hot water supply field.
【Background technology】
Air friction drag is using inverse Carnot cycle principle, by the heat in air, by compressor work
It is transported in water, raises water temperature, and then meets the hot water demand of user.Directly-heated type air friction drag, being can
Directly heat the water to required for temperature unit, with the temperature difference it is big, flow is small the characteristics of, unit hot water out can be straight
Connect and used.Direct-heating heat pump water heater group condensing pressure in itself is low, compression ratio is small, and service condition is better than circulating hot water
Machine, with Energy Efficiency Ratio higher, and waits the time of hot water to be used shorter, from terms of application angle, plug and play, it is not necessary to heat accumulation
Water tank.
The hot water use demand in winter is much larger than summer, and because winter temperature is relatively low, evaporator surface produces frosting to show
As with the increase of evaporator surface frosting area and thickness, unit heats outlet capacity and constantly declines, and influence unit heats water energy
Power, therefore quickly defrosting is necessary for heat-pump hot-water unit, and also defrosting totally must just can guarantee that unit heats water energy
Power.Traditional heat pump air conditioner unit typically uses four-way valve inverse defrosting, and for direct-heating heat pump water heater group, flow is small,
Turnover water temperature difference is big, if directly using four-way Vavle switching, the original height laminate section switching of refrigeration system, at this moment refrigeration system meeting
There is " oil of running quickly " phenomenon, reduce the reliability and service life of system, meanwhile, refrigerant absorbs heat from heating during defrosting
Measure for defrosting, will also cause the too low influence user of leaving water temperature to use, or even the phenomenon that heat exchanger freezes, therefore pin occur
To the handling characteristics of heat-pump hot-water unit, more perfect defrosting measure is still needed to.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes the directly-heated type heat that a kind of retaining defrosts
Pump hot water machine group, in the supplying hot water stage, hot water storage is carried out using water tank, and the heat of storage hot water is effectively utilized in the defrosting stage
Amount carries out reverse defrost, leaving water temperature fluctuation and system peace when can solve the problem that the direct inverse defrosting of direct-heating heat pump water heater group
Full sex chromosome mosaicism.
To achieve the above object, the utility model proposes a kind of direct-heating heat pump water heater group defrosted with retaining, bag
Include compressor, four-way valve, First Heat Exchanger, choke valve, the first triple valve, heat exchanger, the second triple valve, running water water inlet
Pipe, hot water outlet pipe, the second heat exchanger and water tank, a mouthfuls of the four-way valve and c mouthfuls inlet and outlet respectively with compressor connect
Connect, one end of the First Heat Exchanger is connected with the b of four-way valve mouthfuls, the other end is connected with choke valve one end, the choke valve
The other end is connected with a mouthfuls of the first triple valve, b mouthfuls and c mouthfuls of first triple valve respectively with the import of heat exchanger and
The refrigerant liquid outlet connection of two heat exchangers, the heat exchanger is located in water tank, b mouthfuls and c mouthfuls point of second triple valve
It is not connected with the outlet of heat exchanger and the refrigerant air inlet of the second heat exchanger, the running water water inlet pipe and the second heat exchanger
Water inlet connection, the hot water outlet of second heat exchanger connected by hot water outlet pipe with water tank, second triple valve
A mouthfuls be connected with d mouthfuls of four-way valve.
Preferably, the First Heat Exchanger is finned heat exchanger.
Preferably, second heat exchanger is double-tube heat exchanger.
Preferably, heat-exchange tube of the heat exchanger for wave-like.
The beneficial effects of the utility model：The utility model carries out hot water storage in the supplying hot water stage using water tank, is melting
The heat that the white stage effectively utilizes storage hot water carries out reverse defrost, can solve the problem that direct-heating heat pump water heater group is directly reverse
Leaving water temperature fluctuation and security of system problem during defrosting.
Feature of the present utility model and advantage will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the direct-heating heat pump water heater group of retaining defrosting of the utility model.
In figure：1- compressors, 2- four-way valves, 3- First Heat Exchangers, 4- choke valves, the triple valves of 5- first, 6- heat exchangers,
The triple valves of 7- second, 8- running water water inlet pipe, 9- hot water outlet pipes, the heat exchangers of 10- second, 11- water tanks.
【Specific embodiment】
Refering to Fig. 1, a kind of direct-heating heat pump water heater group defrosted with retaining of the utility model, including compressor 1, four-way
Valve 2, First Heat Exchanger 3, choke valve 4, the first triple valve 5, heat exchanger 6, the second triple valve 7, running water water inlet pipe 8, hot water
Outlet pipe 9, the second heat exchanger 10 and water tank 11, a mouthfuls of the four-way valve 2 and c mouthfuls inlet and outlet respectively with compressor 1 connect
Connect, one end of the First Heat Exchanger 3 is connected with b mouthfuls of four-way valve 2, the other end is connected with the one end of choke valve 4, the choke valve
4 other end is connected with a mouthfuls of the first triple valve 5, and b mouthfuls and c mouthfuls of first triple valve 5 enters with heat exchanger 6 respectively
The refrigerant liquid outlet of mouth and the second heat exchanger 10 is connected, and the heat exchanger 6 is located in water tank 11, second triple valve 7
B mouthfuls and c mouthfuls be connected with the outlet of heat exchanger 6 and the refrigerant air inlet of the second heat exchanger 10 respectively, the running water enters
Water pipe 8 is connected with the water inlet of the second heat exchanger 10, and the hot water outlet of second heat exchanger 10 passes through hot water outlet pipe 9 and water
Case 11 is connected, and a mouthfuls of second triple valve 7 is connected with d mouthfuls of four-way valve 2, and the First Heat Exchanger 3 is finned heat exchanger,
Second heat exchanger 10 is double-tube heat exchanger, and the heat exchanger 6 is the heat-exchange tube of wave-like.
Utility model works process：
The utility model it is a kind of with retaining defrost direct-heating heat pump water heater group in the course of the work, heat supply aqueous mode：
C, a mouthful of connection of the first triple valve 5, a, c mouthful of connection of the second triple valve 7, the high pressure refrigerant vapor of the discharge of compressor 1 passes through
C, d mouthful of four-way valve 2, it is a, c mouthful of the second triple valve 7, interior, small in big pipe into the large and small ligament of the second heat exchanger 10
The outer flowing of pipe, then by c, a mouthful of the first triple valve 5, through the throttling of choke valve 4 after, into First Heat Exchanger 3, after evaporation by
B, a mouthful of four-way valve 2 is returned in compressor 1.Wherein running water is from the tubule that running water water inlet pipe 8 enters the second heat exchanger 10
Flowing, heat is absorbed from high pressure refrigerant vapor hot water is obtained, and by hot water outlet pipe 9, part output supplying hot water makes
With another part is stored in water tank.
Defrosting pattern：A, b mouthful of connection of the first triple valve 5, b, a mouthful of connection of the second triple valve 7.The discharge of compressor 1
High pressure refrigerant vapor is by c, b mouthful of four-way valve 2, the heat release defrosting into First Heat Exchanger 3, the refrigerant vapour after cooling
Continue through the step-down of choke valve 4 and become refrigerant liquid, refrigerant liquid passes through a, b mouthful of the first triple valve 5, into heat exchange
Evaporation of being absorbed heat in device 6 becomes refrigerant vapour again, then by b, a mouthful of the second triple valve 7, salty new time of d, a of four-way valve 2
To in compressor 1.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (4)
1. it is a kind of with retaining defrost direct-heating heat pump water heater group, it is characterised in that：Including compressor (1), four-way valve (2),
First Heat Exchanger (3), choke valve (4), the first triple valve (5), heat exchanger (6), the second triple valve (7), running water water inlet pipe
(8), hot water outlet pipe (9), the second heat exchanger (10) and water tank (11), a mouthfuls and c mouthfuls of the four-way valve (2) respectively with compression
The inlet and outlet connection of machine (1), one end of the First Heat Exchanger (3) is connected with b mouthful of four-way valve (2), the other end and saves
Stream valve (4) one end connection, the other end of the choke valve (4) is connected with a mouthfuls of the first triple valve (5), first triple valve
(5) b mouthfuls and c mouthfuls is connected with the import of heat exchanger (6) and the refrigerant liquid outlet of the second heat exchanger (10) respectively, the heat
Exchanger (6) is located in water tank (11), b mouthfuls and c mouthfuls of second triple valve (7) respectively with the outlet of heat exchanger (6) and
The water inlet of the refrigerant air inlet connection of the second heat exchanger (10), the running water water inlet pipe (8) and the second heat exchanger (10)
Connection, the hot water outlet of second heat exchanger (10) is connected by hot water outlet pipe (9) with water tank (11), second threeway
A mouthfuls of valve (7) is connected with d mouthfuls of four-way valve (2).
2. a kind of direct-heating heat pump water heater group defrosted with retaining as claimed in claim 1, it is characterised in that：Described first
Heat exchanger (3) is finned heat exchanger.
3. a kind of direct-heating heat pump water heater group defrosted with retaining as claimed in claim 1, it is characterised in that：Described second
Heat exchanger (10) is double-tube heat exchanger.
4. a kind of direct-heating heat pump water heater group defrosted with retaining as claimed any one in claims 1 to 3, its feature exists
In：The heat exchanger (6) is the heat-exchange tube of wave-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111988.XU CN206191904U (en) | 2016-10-11 | 2016-10-11 | Directly -heated type heat pump water heater unit with retaining defrosting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111988.XU CN206191904U (en) | 2016-10-11 | 2016-10-11 | Directly -heated type heat pump water heater unit with retaining defrosting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191904U true CN206191904U (en) | 2017-05-24 |
Family
ID=58729768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621111988.XU Expired - Fee Related CN206191904U (en) | 2016-10-11 | 2016-10-11 | Directly -heated type heat pump water heater unit with retaining defrosting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855444A (en) * | 2019-02-28 | 2019-06-07 | 河北华强科技开发有限公司 | A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method |
-
2016
- 2016-10-11 CN CN201621111988.XU patent/CN206191904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855444A (en) * | 2019-02-28 | 2019-06-07 | 河北华强科技开发有限公司 | A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171011 |