CN205783826U - Heat pump water heater water tank and heat pump water heater - Google Patents
Heat pump water heater water tank and heat pump water heater Download PDFInfo
- Publication number
- CN205783826U CN205783826U CN201620515256.0U CN201620515256U CN205783826U CN 205783826 U CN205783826 U CN 205783826U CN 201620515256 U CN201620515256 U CN 201620515256U CN 205783826 U CN205783826 U CN 205783826U
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- Prior art keywords
- water
- inner bag
- circulation
- water tank
- bypass
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 286
- 239000003507 refrigerant Substances 0.000 claims description 31
- 238000004064 recycling Methods 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 6
- 210000000232 gallbladder Anatomy 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 22
- 239000000203 mixture Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008094 contradictory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a heat pump water heater water tank relates to heat pump water heater technical field. This heat pump water heater water tank includes the case shell, be provided with circulation water inlet pipe joint and circulation outlet pipe joint on the case shell, be provided with two at least inner bags that lead to pipe concatenations mutually in the case shell, all be provided with circulation inlet tube and circulation outlet pipe on every inner bag, the circulation outlet pipe and the circulation outlet pipe joint intercommunication of tail end inner bag, tail end inner bag intercommunication have the cold water inlet tube, the circulation inlet tube and the circulation inlet pipe joint intercommunication of head end inner bag, head end inner bag intercommunication has the hot water outlet pipe. Meanwhile, a heat pump water heater comprising the water tank of the heat pump water heater is also disclosed. The utility model discloses keeping under the unchangeable circumstances of water tank height, realizing the promotion of heating efficiency through the series connection of a plurality of water tank inner bags, effectively solved the contradiction problem that current circulation adds hot type water heater water tank height and efficiency and promote.
Description
Technical field
This utility model relates to Teat pump boiler technical field, particularly relates to a kind of heat-pump water-heater water tank and tool
There is the Teat pump boiler of this heat-pump water-heater water tank.
Background technology
At present, household small-size Teat pump boiler mainly has static heated type and a circulating heating type two kinds, wherein,
Circulating heating type Teat pump boiler is mainly made up of refrigerant-cycle systems, water circulation system and storage tank.
It is said that in general, the recycling outlet of the storage tank of Teat pump boiler is arranged on the bottom of water tank, recirculated water backwater
Pipe is arranged on the top of water tank, and storage tank is not only heated in order to store in circulating heating type Teat pump boiler
The hot water that the hot water of journey and heating end, its version has an effect on the efficiency in heating process and use process
In comfortableness when restarting heating.
For circulating heating type Teat pump boiler, in the case of compact water storage tank holding is constant, it adds
The efficiency level of thermal process is directly proportional to its ratio of height to diameter (height of water tank and the diameter ratio of bottom surface), changes speech
It, water tank is the highest, and power consumption is the fewest, and efficiency is the highest.But, during actual production and using, water
The height of case must be fulfilled for produce, transport and installation requirements, therefore its highly must control certain limit it
In.During it addition, Teat pump boiler starts heating automatically according to Parameters variation during use hot water, due to
The hot water that non-heated ends from the hot water that hot water is heating process of recirculated water return pipe entrance water tank, its temperature
Degree is far below set water temperature, when recirculated water return pipe is arranged on tank top, less than the hot water of set water temperature
To flow out from hot water out pipe, this will be substantially reduced the comfortableness that user uses.
Utility model content
A purpose of the present utility model is to propose a kind of heat-pump water-heater water tank, to solve circulating heating type heat
The contradictory problems that water heater tank height promotes with efficiency.
Another purpose of the present utility model is to propose a kind of heat including heat-pump water-heater water tank as previously discussed
Pump water heater.
For reaching this purpose, this utility model by the following technical solutions:
A kind of heat-pump water-heater water tank, including case shell, described case shell is provided with circulation admitting pipe joint and follows
Ring titting water outlet, is provided with at least two inner bag that water pipe concatenates mutually, each inner bag in described case shell
On be provided with circulation water inlet pipe and recycling outlet, the recycling outlet of tail end inner bag connects with recycling outlet
Head connection, tail end inner bag is communicated with cold water inlet, and the circulation water inlet pipe of head end inner bag connects with circulation water inlet pipe
Head connection, head end inner bag is communicated with hot water outlet pipe.
As the preferred version of a kind of heat-pump water-heater water tank, connecting to connect on the connecting water pipe of adjacent inner bag has
Bypass hose, described Bypass hose and the bypass pipe fittings of setting on case shell, described Bypass hose sets
It is equipped with bypass water valve.
As the preferred version of a kind of heat-pump water-heater water tank, including foaming layer, in described foaming layer is filled in
Between gallbladder and case shell.
A kind of Teat pump boiler, including refrigerant circulation loop and water-flow circuit, wherein, described cold-producing medium
Closed circuit includes compressor, water-refrigerant heat exchanger, throttling arrangement and the air-side heat exchanger being sequentially connected with,
Described water-flow circuit includes heat-pump water-heater water tank as described above, described refrigerant circulation loop and water
Heat exchange is carried out by water-refrigerant heat exchanger between closed circuit.
As the preferred version of a kind of Teat pump boiler, described water tank is by water pipe and water-refrigerant heat exchanger
Connection, connects the cyclic water outlet pipe joint of water tank and connects on the water pipe of the circulation water inlet of water-refrigerant heat exchanger
It is connected to water pump.
As the preferred version of a kind of Teat pump boiler, connect circulation admitting pipe joint and the water-refrigeration of water tank
Connect on the water pipe of the circulating outlet of agent heat exchanger and have the first water valve.
As the preferred version of a kind of Teat pump boiler, the bypass pipe joint connecting water tank changes with water-cold-producing medium
Connect on the water pipe of the circulating outlet of hot device and have the second water valve.
As the preferred version of a kind of Teat pump boiler, each inner bag is provided with temperature sensor, is used for examining
Survey the water temperature in each inner bag.
As the preferred version of a kind of Teat pump boiler, including controller, described controller and water pump, each in
The temperature sensor of gallbladder and the first water valve connect, for the detection water temperature according to temperature sensor control water pump,
With being turned on and off of the first water valve.
As the preferred version of a kind of Teat pump boiler, described controller also respectively bypasses water with in being arranged on water tank
Bypass water valve and the second water valve on pipe connect, for controlling the second water valve and the unlatching of each bypass water valve or pass
Close.
The beneficial effects of the utility model are:
The utility model proposes a kind of heat-pump water-heater water tank and there is the heat-pump hot-water of this heat-pump water-heater water tank
Device, this utility model, in the case of keeping tank height constant, is realized by the series connection of multiple inner water tanks
The lifting of heating efficiency, efficiently solves the lance that existing circulating heating type water-heater water tank height promotes with efficiency
Shield problem.
Accompanying drawing explanation
Fig. 1 is the outside drawing of the heat-pump water-heater water tank that this utility model embodiment one provides；
Fig. 2 is the internal structure schematic diagram of the heat-pump water-heater water tank that this utility model embodiment one provides；
Fig. 3 is the first inner bag and the fit structure schematic diagram of the 4th inner bag of this utility model embodiment one offer；
Fig. 4 is the first inner bag and the fit structure signal of the second inner bag of this utility model embodiment one offer
Figure；
Fig. 5 is the second inner bag and the fit structure schematic diagram of the 3rd inner bag of this utility model embodiment one offer；
Fig. 6 is the 3rd inner bag and the fit structure signal of the 4th inner bag of this utility model embodiment one offer
Figure；
Fig. 7 is the structural representation of the Teat pump boiler that this utility model embodiment one provides；
Fig. 8 is the first inner bag and the fit structure schematic diagram of the 4th inner bag of this utility model embodiment two offer.
In figure:
1, compressor；2, water-refrigerant heat exchanger；3, throttling arrangement；4, air-side heat exchanger；5、
Water tank；6, water pump；7, the first water valve；8, the second water valve；
51, the first inner bag；52, the second inner bag；53, the 3rd inner bag；54, the 4th inner bag；
501, bypass water valve；502, bypass water valve；503, bypass water valve；504, bypass pipe joint；505、
Cyclic water outlet pipe joint；506, circulation admitting pipe joint；507, cold water inlet；508, hot water effluent
Pipe；511, recycling outlet；512, circulation water inlet pipe；521, recycling outlet；522, circulation water inlet
Pipe；531, recycling outlet；532, circulation water inlet pipe；541, recycling outlet；542, circulation water inlet
Pipe.
Detailed description of the invention
For making this utility model solve the technical problem that, the technical scheme that uses and the technique effect that reaches more
Clear, make further to retouch in detail to the technical scheme of this utility model embodiment below in conjunction with accompanying drawing
State, it is clear that described embodiment is only a part of embodiment of this utility model rather than all
Embodiment.Based on the embodiment in this utility model, those skilled in the art are not making creation
Property work premise under the every other embodiment that obtained, broadly fall into the scope of this utility model protection.
In description of the present utility model, it is to be understood that term " pushes up ", the side of the instruction such as " end "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of this practicality of description new
Type and simplifying describes rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain.
The application proposes a kind of Novel heat pump water-heater water tank and has the heat-pump hot-water of this heat-pump water-heater water tank
Device, its structure refers to specific examples below.
Embodiment one
Heat-pump water-heater water tank that Fig. 1 to Fig. 7 provides for this utility model and there is its Teat pump boiler
Preferred embodiment, in this embodiment, as depicted in figs. 1 and 2, heat-pump water-heater water tank by case shell, send out
Alveolar layer and inner bag composition, be provided with cyclic water outlet pipe joint 505, circulation admitting pipe joint on water tank case shell
506 and middle bypass pipe joint 504.Foaming layer is filled between case shell and inner bag, plays certain insulation
Effect.The inner bag of the present embodiment is by the first inner bag the 51, second inner bag the 52, the 3rd inner bag 53 and the 4th inner bag
54 4 inner bag compositions, and be respectively arranged with recycling outlet with top and circulate water inlet bottom each inner bag
Pipe, wherein, from the point of view of this body structure of water tank 5, using the 4th inner bag 54 as head end inner bag, in first
Gallbladder 51 is as tail end inner bag.The recycling outlet 511 of the first inner bag 51 and cyclic water outlet pipe joint 505 phase
Even, the circulation water inlet pipe 542 of the 4th inner bag 54 is connected, at the first inner bag 51 with circulation admitting pipe joint 506
Be communicated with cold water inlet 507 between bottom bottom and case shell, in the 4th inner bag 54 top and case roof portion it
Between be communicated with hot water outlet pipe 508.
As in figure 2 it is shown, at the circulation the water inlet pipe 512 and cyclic water outlet of the second inner bag 52 of the first inner bag 51
Between pipe 521, the circulation the water inlet pipe 522 and recycling outlet 531 of the 3rd inner bag 53 of the second inner bag 52
Between and the 3rd inner bag 53 circulation water inlet pipe 532 and the recycling outlet 541 of the 4th inner bag 54 between
It is provided with connecting water pipe, and in the middle part of connecting water pipe, is provided with Bypass hose is connected to the bypass pipe in the middle of water tank
Joint 504, arranges on Bypass hose and has bypass water valve 501, bypass water valve 502 and bypass water valve
503。
The present embodiment also proposes a kind of Teat pump boiler including this water tank, as it is shown in fig. 7, this heat-pump hot-water
Device is made up of refrigerant circulation loop and water-flow circuit (in Fig. 7, arrow is oriented to the flow direction of water) two parts,
Refrigerant circulation loop is by the compressor 1 being sequentially connected with, water-refrigerant heat exchanger 2, throttling arrangement 3 and sky
Gas side heat exchanger 4 forms, and water-flow circuit is by water tank 5, water pump 6, water-refrigerant heat exchanger the 2, first water
Valve 7 and the second water valve 8 etc. form.Wherein, the first water valve 7 is arranged on connection water-refrigerant heat exchanger 2
Circulating outlet is with on the water pipe of water tank circulation admitting pipe joint 506, and the second water valve 8 is arranged on connection water-system
On the water pipe of the circulating outlet of cryogen heat exchanger 2 and water tank bypass pipe joint 504.
Above-mentioned Teat pump boiler also includes controller, and controller all passes with the temperature of setting on water pump 6, each inner bag
Sensor, the first water valve 7, bypass water valve 501, bypass water valve 502, bypass water valve 503 and the second water valve 8
Connect, for according to the detection water temperature of temperature sensor control water pump the 6, first water valve the 7, second water valve 8,
Bypass water valve 501, bypass water valve 502, bypass being turned on and off of water valve 503.
When Teat pump boiler hot water preparing, refrigerant cycle flow process is as follows: the high temperature discharged by compressor 1
The refrigerant gas of high pressure, enters water-refrigerant heat exchanger 2 heat release, becomes the refrigerant liquid of the middle temperature of high pressure
Body, then becomes the refrigerant air-liquid mixture of low-temp low-pressure after throttling arrangement 3 reducing pressure by regulating flow, enters sky
Gas side heat exchanger 4 evaporation endothermic, subsequently becomes refrigerant superheat gas entrance compressor 1 and compresses, complete one
Individual complete cycle.
Waterway circulating is different because service condition is different, situation specific as follows:
When being arranged on bottom the first inner bag 51 and the temperature sensor at the 4th inner bag 54 top judges current water tank 5
In coolant-temperature gage too low and satisfied startup heating condition time, water pump 6 starts, and water at low temperature is through water tank cyclic water outlet
Pipe joint 505 flows out, and enters water-refrigerant heat exchanger 2, the heat of absorption refrigeration agent release after water pump 6
Amount, the hot water after being heated enters water tank 5 through the first water valve 7, water tank circulation admitting pipe joint 506, this
Time, the second water valve 8, bypass water valve 501, bypass water valve 502 and bypass water valve 503 are closed.
When being arranged on bottom the first inner bag 51 and the temperature sensor at the 3rd inner bag 53 top judges current water tank 5
In water temperature meet startup heating condition and be arranged on bottom the 4th inner bag 54 and/or the temperature sensor at top
Judge that when the water temperature in current 4th inner bag 54 is unsatisfactory for starting heating condition, water pump 6 starts, water at low temperature warp
Water tank cyclic water outlet pipe joint 505 flows out, and enters water-refrigerant heat exchanger 2, absorption refrigeration after water pump 6
The heat of agent release, the hot water after being heated enters water tank 5 through the second water valve 8, bypass pipe joint 504, this
Time bypass water valve 502 open, the first water valve 7, bypass water valve 501 and bypass water valve 503 close.
When being arranged on bottom the first inner bag 51 and the temperature sensor at the second inner bag 52 top judges current water tank 5
In water temperature meet startup heating condition and be arranged on bottom the 3rd inner bag 53 and/or the temperature sensor at top
Judge that when the water temperature in current 3rd inner bag 53 is unsatisfactory for starting heating condition, water pump 6 starts, water at low temperature warp
Water tank cyclic water outlet pipe joint 505 flows out, and enters water-refrigerant heat exchanger 2, absorption refrigeration after water pump 6
The heat of agent release, the hot water after being heated enters water tank 5 through the second water valve 8, bypass pipe joint 504, this
Time, bypassing water valve 503 and open, the first water valve 7, bypass water valve 501 and bypass water valve 502 are closed.
When being arranged on bottom the first inner bag 51 and/or the temperature sensor at top judges the water in current water tank 5
Temperature meet start heating condition and be arranged on bottom the second inner bag 52 and/or top temperature sensor judge work as
When water temperature in front second inner bag 52 is unsatisfactory for starting heating condition, water pump 6 starts, and water at low temperature is followed through water tank
Ring titting water outlet 505 flows out, and enters water-refrigerant heat exchanger 2 after water pump 6, and absorption refrigeration agent discharges
Heat, heated after hot water enter water tank 5 through the second water valve 8, bypass pipe joint 504, now, other
Water-through valve 501 is opened, and the first water valve 7, bypass water valve 502 and bypass water valve 503 are closed.
When being arranged on bottom the first inner bag 51 and/or the temperature sensor at top judges the water in current water tank 5
Temperature meets startup heating condition and can judge that being currently at hot water uses shape by each temperature-sensitive bag variations in temperature
During state, water pump 6 starts, and water at low temperature flows out through water tank cyclic water outlet pipe joint 505, enters after water pump 6
Water-refrigerant heat exchanger 2, the heat of absorption refrigeration agent release, heated after hot water through the second water valve 8,
Bypass pipe joint 504 enters water tank 5, and now, bypass water valve 501 is opened, the first water valve 7, bypass water valve
502 close with bypass water valve 503.Meanwhile, when being in hot water and using state, bypass water valve 502 and bypass
The temperature sensor according to being arranged on each inner bag top of opening of water valve 503 judges.
This utility model, in the case of keeping tank height constant, is added by the series connection realization of multiple inner water tanks
The lifting of heat energy effect, meanwhile, realizes different backwater position by arranging bypass adapter between series connection inner bag
Switching, to take into account efficiency lifting and user's comfortableness.
Embodiment two
The present embodiment proposes another kind of preferably heat-pump water-heater water tank, and this water tank is by case shell, foaming layer and interior
Gallbladder forms, its structure and the heat-pump water-heater water tank structure basic simlarity described in embodiment one, being in of difference
In: the quantity of inner bag and the connected mode of each connecting water pipe.
In the present embodiment, as shown in Figure 8, the inner bag of water tank 5 is only by the first inner bag 51 and the 4th inner bag 54
Composition, and be respectively arranged with recycling outlet with top and circulate water inlet pipe, the first inner bag bottom each inner bag
The recycling outlet 511 of 51 is connected with cyclic water outlet pipe joint 505, the circulation water inlet pipe of the 4th inner bag 54
542 with circulation admitting pipe joint 506 be connected, bottom the first inner bag 51 and bottom case shell between be communicated with cold
Water water inlet pipe 507, is communicated with hot water outlet pipe 508 between the 4th inner bag 54 top and case roof portion.
Set between circulation water inlet pipe 512 and the recycling outlet 541 of the 4th inner bag 54 of the first inner bag 51
It is equipped with connecting water pipe, and in the middle part of connecting water pipe, is provided with the bypass pipe that Bypass hose is connected in the middle of water tank connects
504, Bypass hose arranges bypass water valve 501.
The present embodiment also proposes a kind of Teat pump boiler including this water tank, the composition of this Teat pump boiler and work
Make principle similar to the composition of the Teat pump boiler described in embodiment one and operation principle, do not repeat them here.
The present embodiment solves the contradictory problems that circulating heat pump water heater tank height promotes with efficiency equally,
Restart the comfortableness problem of heating simultaneously during solving use, compare with embodiment one, this enforcement
Example structure is simpler, and production cost is lower.
Know-why of the present utility model is described above in association with detailed description of the invention.These descriptions are intended merely to
Explain principle of the present utility model, and the limit to this utility model protection domain can not be construed to by any way
System.Based on explanation herein, those skilled in the art need not pay creative work can associate this reality
By other novel detailed description of the invention, within these modes fall within protection domain of the present utility model.
Claims (10)
1. a heat-pump water-heater water tank, including case shell, described case shell is provided with circulation admitting pipe joint
(506) and cyclic water outlet pipe joint (505), it is characterised in that in described case shell, be provided with water pipe phase
At least two inner bag of concatenation, each inner bag is provided with circulation water inlet pipe and recycling outlet, in tail end
The recycling outlet of gallbladder connects with cyclic water outlet pipe joint (505), and tail end inner bag is communicated with cold water inlet
(507), the circulation water inlet pipe of head end inner bag connects with circulation admitting pipe joint (506), and head end inner bag connects
There is hot water outlet pipe (508).
Heat-pump water-heater water tank the most according to claim 1, it is characterised in that connect adjacent inner bag
Connecting water pipe on connect and have a Bypass hose, the bypass pipe joint (504) that described Bypass hose and case shell are arranged
Connection, described Bypass hose is provided with bypass water valve.
Heat-pump water-heater water tank the most according to claim 1 and 2, it is characterised in that include foaming
Layer, described foaming layer is filled between inner bag and case shell.
4. a Teat pump boiler, including refrigerant circulation loop and water-flow circuit, wherein, described refrigeration
Compressor (1) that agent closed circuit includes being sequentially connected with, water-refrigerant heat exchanger (2), throttling arrangement (3)
With air-side heat exchanger (4), it is characterised in that described water-flow circuit includes that claims 1 to 3 such as is appointed
One described heat-pump water-heater water tank (5), passes through between described refrigerant circulation loop and water-flow circuit
Water-refrigerant heat exchanger (2) carries out heat exchange.
Teat pump boiler the most according to claim 4, it is characterised in that described water tank (5) passes through
Water pipe connects with water-refrigerant heat exchanger (2), connects the cyclic water outlet pipe joint (505) of water tank (5)
It is connected with on the water pipe of the circulation water inlet of water-refrigerant heat exchanger (2) and has water pump (6).
6. according to the Teat pump boiler described in claim 4 or 5, it is characterised in that connect water tank (5)
Circulation admitting pipe joint (506) be connected on the water pipe of the circulating outlet of water-refrigerant heat exchanger (2)
There is the first water valve (7).
Teat pump boiler the most according to claim 6, it is characterised in that connect the side of water tank (5)
Connection for bbreather pipe (504) has the second water with being connected on the water pipe of the circulating outlet of water-refrigerant heat exchanger (2)
Valve (8).
Teat pump boiler the most according to claim 7, it is characterised in that be provided with temperature on each inner bag
Degree sensor, for detecting the water temperature in each inner bag.
Teat pump boiler the most according to claim 8, it is characterised in that include controller, described control
Device processed is connected with water pump (6), the temperature sensor of each inner bag and the first water valve (7), for passing according to temperature
The detection water temperature of sensor controls being turned on and off of water pump (6) and the first water valve (7).
Teat pump boiler the most according to claim 9, it is characterised in that described controller also with set
The bypass water valve put on each Bypass hose in water tank (5) and the second water valve (8) connect, for control the
Being turned on and off of two water valves (8) and each bypass water valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515256.0U CN205783826U (en) | 2016-05-30 | 2016-05-30 | Heat pump water heater water tank and heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515256.0U CN205783826U (en) | 2016-05-30 | 2016-05-30 | Heat pump water heater water tank and heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783826U true CN205783826U (en) | 2016-12-07 |
Family
ID=58138828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620515256.0U Expired - Fee Related CN205783826U (en) | 2016-05-30 | 2016-05-30 | Heat pump water heater water tank and heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205783826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449148A (en) * | 2016-05-30 | 2017-12-08 | 珠海格力电器股份有限公司 | Heat pump water heater water tank and heat pump water heater |
-
2016
- 2016-05-30 CN CN201620515256.0U patent/CN205783826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449148A (en) * | 2016-05-30 | 2017-12-08 | 珠海格力电器股份有限公司 | Heat pump water heater water tank and heat pump water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161207 |