CN203518365U - High temperature heat pump liquid accumulator and high temperature heat pump water heater adopting same - Google Patents
High temperature heat pump liquid accumulator and high temperature heat pump water heater adopting same Download PDFInfo
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- CN203518365U CN203518365U CN201320514184.4U CN201320514184U CN203518365U CN 203518365 U CN203518365 U CN 203518365U CN 201320514184 U CN201320514184 U CN 201320514184U CN 203518365 U CN203518365 U CN 203518365U
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- high temperature
- heat pump
- temperature heat
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Abstract
The utility model discloses a high temperature heat pump liquid accumulator and a high temperature heat pump water heater adopting the same. The high temperature heat pump liquid accumulator comprises an accumulator body, a liquid storage cavity, a liquid inlet pipe and a liquid outlet pipe, wherein the liquid storage cavity is defined by the accumulator body, the liquid inlet pipe is used for being inserted into the liquid storage cavity and allowing refrigerants to flow in, and the liquid outlet pipe is used for being inserted into the liquid storage cavity and allowing the refrigerants to flow out. The high temperature heat pump liquid accumulator further comprises a blind pipe arranged inside the liquid storage cavity and located below the liquid inlet pipe, the blind pipe is a pipe body with a sealed bottom end and an opening formed in the top end, and the area of the opening is larger than that of the cross section of the liquid inlet pipe. According to the high temperature heat pump liquid accumulator and the high temperature heat pump water heater adopting the same, gas-liquid separation can be carried out on the refrigerants with coexisting gas and liquid entering the liquid accumulator through the liquid inlet pipe, and the problem that gas-state refrigerants flow out from the liquid outlet pipe is solved. By being matched with a heat pump system in use, the high temperature heat pump liquid accumulator and the high temperature heat pump water heater adopting the same can effectively reduce electrical energy consumption of the heat pump system and reduce usage cost. The high temperature heat pump liquid accumulator and the high temperature heat pump water heater adopting the same have the advantages of being simple in structure, reasonable in design, high in practicality and the like.
Description
Technical field
The utility model relates to a kind of reservoir technical field, more particularly, relates to a kind ofly for being used in conjunction with high temperature heat pump system, can effectively improve the high temperature heat pump reservoir of the stability of heat pump operation; Also relate to a kind of high temperature thermal pump water heater that adopts described high temperature heat pump reservoir.
Background technology
Reservoir is an auxiliary element of heat pump, it conventionally and compressor link together, for storage of liquids cold-producing medium.In high temperature heat pump system, the inlet of the feed tube of reservoir is connected with condensator outlet, and the liquid outlet of drain pipe is connected with expansion valve.
In high temperature heat pump system, because condensation end temperature is high, condensation effect is poor, and cold-producing medium flows out from condensator outlet, in the time of in feed tube enters reservoir, tends to the gaseous refrigerant with part.With reference to Fig. 1, Fig. 1 shows the sectional structure schematic diagram of traditional heat pump liquid accumulator, adopts traditional heat pump liquid accumulator, because it does not have gas-liquid separating function, easily causes gaseous refrigerant in reservoir directly to follow liquid refrigerant and flows out from drain pipe; The cold-producing medium that gas-liquid coexists enters expansion valve from reservoir flows out.Will have a strong impact on the restriction effect of expansion valve, cause the running stability of high temperature heat pump system low, energy-saving effect declines greatly, thereby the consumption of the energy that caused increasing electric power, increase operating cost.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect of the prior art, and a kind of high temperature heat pump reservoir that simultaneously possesses liquid storage function and gas-liquid separating function is provided.
Another object of the present utility model is to overcome above-mentioned defect of the prior art, and a kind of described high temperature thermal pump water heater that simultaneously possesses the high temperature heat pump reservoir of liquid storage function and gas-liquid separating function that adopts is provided.
For achieving the above object, the technical scheme that the utility model provides is as follows:
A kind of high temperature heat pump reservoir is provided, comprise body, the liquid storage cylinder being surrounded by described body, insert in liquid storage cylinder for flowing into the feed tube of cold-producing medium, and insertion liquid storage cylinder is interior for flowing out the drain pipe of cold-producing medium, also comprise the blind pipe that is arranged in liquid storage cylinder and is positioned at described feed tube below, this blind pipe is the body that bottom sealing and top are provided with opening, and the area of described opening is greater than the cross-sectional area of feed tube.
As a kind of preferred scheme, the feed liquor mouth of pipe of described feed tube lower end inserts in described blind pipe completely.
As a kind of preferred scheme, the lateral wall of described feed tube bottom is fixedly connected with the madial wall of described blind pipe, makes described blind pipe be suspended on feed tube bottom.
As a kind of preferred scheme, the area of the opening on described blind pipe top is 2.5～3.5 times of feed tube cross-sectional area.
As a kind of preferred scheme, along in short transverse, the fluid mouth of pipe of described drain pipe lower end is lower than the opening on described blind pipe top.
A kind of high temperature thermal pump water heater is provided, comprise the compressor, water fluorine heat exchanger, reservoir, expansion valve, evaporimeter and the separator that connect successively, described reservoir comprises body, the liquid storage cylinder being surrounded by described body, insert in liquid storage cylinder for flowing into the feed tube of cold-producing medium, insert in liquid storage cylinder for flowing out the drain pipe of cold-producing medium, and be arranged in liquid storage cylinder and be positioned at the blind pipe of feed tube below, described blind pipe is the body that bottom sealing and top are provided with opening, and the area of described opening is greater than the cross-sectional area of feed tube.
As a kind of preferred scheme, the feed liquor mouth of pipe of described feed tube lower end inserts in described blind pipe completely.
As a kind of preferred scheme, the lateral wall of described feed tube bottom is fixedly connected with the madial wall of described blind pipe, makes described blind pipe be suspended on feed tube bottom.
As a kind of preferred scheme, the area of the opening on described blind pipe top is 2.5～3.5 times of feed tube cross-sectional area.
As a kind of preferred scheme, along in short transverse, the fluid mouth of pipe of described drain pipe lower end is lower than the opening on described blind pipe top.
Compared with prior art, the beneficial effects of the utility model are:
By a blind pipe being set in liquid storage cylinder and below being positioned at feed tube, when cold-producing medium flows to reservoir from feed tube, first can flow in blind pipe; Because gaseous refrigerant is different from the density of liquid refrigerant, when the cold-producing medium that gas-liquid coexists flows in blind pipe, liquid refrigerant is stayed in blind pipe, gaseous refrigerant can flow to liquid storage cylinder top-direction, when the liquid refrigerant in blind pipe is full of and overflows, owing to being subject to the effect of gravity, liquid refrigerant flows to liquid storage cylinder bottom direction, the liquid refrigerant flowing downward converges in liquid storage cylinder bottom, and flows out by drain pipe.Therefore the mixed cold-producing medium of gas-liquid can carry out gas-liquid separation in liquid storage cylinder, has solved the problem that gaseous refrigerant flows out from drain pipe, guarantees the stability of expansion valve restriction effect.This high temperature heat pump reservoir can be widely used in heat pump, and such as being applied on high temperature thermal pump water heater, or it is first-class to be applied to high temperature heat pump dryer.Be used in conjunction with and can effectively overcome the harm that high temperature heat pump condensation effect difference band comes with heat pump, reduce the electric power energy consumption of heat pump, reduce use cost.Also there is the advantages such as simple in structure, reasonable in design, practical simultaneously.
In addition, high temperature thermal pump water heater described in the utility model has the feature of quick heating.Especially utilized the special construction of above-mentioned high temperature heat pump reservoir, made hot water machine hot operation more steady, efficiency is higher, heat up faster, effectively reduce the consumption of electric power energy, reduced use cost, greatly met the demand of high-temperature-hot-water market to low operating cost hot water machine product.
Below in conjunction with drawings and Examples to high temperature heat pump reservoir described in the utility model and adopt the high temperature thermal pump water heater of this reservoir to be described further.
Accompanying drawing explanation
Fig. 1 is traditional reservoir sectional structure schematic diagram;
Fig. 2 is one of sectional structure schematic diagram of a kind of high temperature heat pump reservoir of the utility model;
Fig. 3 be a kind of high temperature heat pump reservoir of the utility model sectional structure schematic diagram two;
Fig. 4 is the package assembly schematic diagram of the utility model high temperature thermal pump water heater.
In accompanying drawing:
10 reservoirs, 101. bodies, 102. liquid storage cylinders, 103. feed tubes, the 1031. feed liquor mouths of pipe, 104. drain pipes, the 1041. fluid mouths of pipe, 105. blind pipes, 1051. openings, 106. bases, 201. compressors, 202. water fluorine heat exchangers, 203. expansion valves, 204. evaporimeters, 205. separators.
The specific embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
Embodiment 1
Embodiment 1 of the present utility model provides a kind of high temperature heat pump reservoir, be intended to realize makes reservoir possess liquid storage function and gas-liquid separating function simultaneously, to solve the gaseous refrigerant flowing in reservoir, from drain pipe, flow out into expansion valve, have a strong impact on the restriction effect of expansion valve, thereby affect the stability of high temperature heat pump system operation, and then the problem that causes the energy-saving effect of high temperature heat pump system greatly to decline.Below in conjunction with accompanying drawing, the present embodiment is elaborated.
Fig. 2 and Fig. 3 system are according to an embodiment of the present utility model, and the sectional structure schematic diagram that it shows respectively the present embodiment high temperature heat pump reservoir, please refer to Fig. 2 and Fig. 3.Described a kind of high temperature heat pump reservoir, comprise for carrying the base 106 of reservoir, be arranged on the body 101 on base 106, the liquid storage cylinder 102 being surrounded by described body 101, insert in liquid storage cylinder 102 for flowing into the feed tube 103 of cold-producing medium, and insert in liquid storage cylinder 102 for flowing out the drain pipe 104 of cold-producing medium, also comprise the blind pipe 105 that is arranged in liquid storage cylinder 102 and is positioned at described feed tube 103 belows, this blind pipe 105 is provided with the body of opening 1051 for bottom sealing and top, the area of described opening 1051 is greater than the cross-sectional area of feed tube 103, therefore first the cold-producing medium flowing into from feed tube 103 can flow in blind pipe 105.
As a kind of preferred scheme, the feed liquor mouth of pipe 1031 of described feed tube 103 lower ends inserts in described blind pipe 105 completely.In other words, along in short transverse, the opening 1051 on described blind pipe 105 tops is higher than the feed liquor mouth of pipe 1031 of described feed tube 103 lower ends, therefore can guarantee from the feed liquor mouth of pipe 1031 outflows of feed tube 103 lower ends regardless of being that first liquid refrigerant or gaseous refrigerant can all flow in blind pipe 105.
The principle that described high temperature heat pump reservoir is realized gas-liquid separation is: with reference to Fig. 2 and Fig. 3, cold-producing medium flows into liquid storage cylinder 102 when interior by feed tube 103, first can flow in the blind pipe 105 that is arranged on feed tube 103 belows.Because gaseous refrigerant is different from the density of liquid refrigerant, if the cold-producing medium that gas-liquid coexists flows in blind pipe 105, owing to being subject to stopping of blind pipe 105, liquid refrigerant can be stayed in blind pipe 105, gaseous refrigerant can flow to liquid storage cylinder 102 top-direction from the opening 1051 on blind pipe 105 tops, when the liquid refrigerant in blind pipe 105 is full of and overflows, owing to being subject to the effect of gravity, liquid refrigerant flows to liquid storage cylinder 102 bottom direction, the liquid refrigerant flowing downward converges in liquid storage cylinder 102 bottoms, and flow out by drain pipe 104, thereby realized gas-liquid separation, solved the problem that gaseous refrigerant follows liquid refrigerant to flow out from drain pipe 104.After the gaseous refrigerant condensation at described liquid storage cylinder 102 tops, from liquid storage cylinder 102 overhead stream to bottom.
As a kind of preferred scheme, the area of the opening 1051 on described blind pipe 105 tops is 2.5～3.5 times of feed tube 103 cross-sectional areas.After effectively guaranteeing that cold-producing medium inflow blind pipe 105 is interior, gaseous refrigerant can flow to liquid storage cylinder 102 tops from opening 1051, and liquid refrigerant can flow to liquid storage cylinder 102 bottoms from opening 1051, to realize gas-liquid separating function.In actual application, multiple value between the cross-sectional area of the area of described opening 1051 and feed tube 103 can be selected any numerical value between 2.5～3.5 times according to actual conditions, such as the area of opening 1051 is 2.5 times, 3 times or 3.5 times of feed tube 103 cross-sectional areas.
As a kind of preferred scheme, the fixed form of described blind pipe 105 is: the lateral wall of described feed tube 103 bottom one sides is fixedly connected with by welding manner with the madial wall of described blind pipe 105, make blind pipe 105 fixedly be suspended on feed tube 103 bottoms, therefore feed tube 103 is close on the madial wall of blind pipe 105, when cold-producing medium flows out from feed tube 103, can flow in blind pipe 105 along with the madial wall of blind pipe 105.Certainly, described feed tube 103 can also be other modes with the mode that is fixedly connected with of blind pipe 105, such as being fixedly connected with by fixture etc.The fixed form of described blind pipe 105 can also be also other modes, such as blind pipe 105 being fixed on to liquid storage cylinder 102 bottoms etc.
Described drain pipe 104 can be to insert the inner connecting tube in liquid storage cylinder 102 from body 101 tops, can certainly be to insert the inner connecting tube in liquid storage cylinder 102 from body 101 sidepieces; As a kind of preferred scheme, along in short transverse, the fluid mouth of pipe 1041 of described drain pipe 104 lower ends is lower than the opening 1051 on described blind pipe 105 tops.Owing to being subject to stopping of blind pipe 105, the gaseous refrigerant entering in blind pipe 105 can flow to liquid storage cylinder 102 top-direction from the opening 1051 on blind pipe 105 tops, and the position of the fluid mouth of pipe 1041 of drain pipe 104 lower ends is arranged on to the position lower than opening 1051, can effectively guarantee that gaseous refrigerant can not flow out from drain pipe 104.
This high temperature heat pump reservoir can be widely used in heat pump, and such as being applied on high temperature thermal pump water heater, or it is first-class to be applied to high temperature heat pump dryer.Be used in conjunction with heat pump the stability that can effectively improve heat pump operation, overcome the harm that high temperature heat pump condensation effect difference band comes, reduce the electric power energy consumption of heat pump, reduce use cost.Also there is the advantages such as simple in structure, reasonable in design, practical simultaneously.
Embodiment 2
Embodiment 2 of the present utility model provides a kind of high temperature thermal pump water heater that adopts above-mentioned high temperature heat pump reservoir.With reference to Fig. 4, Fig. 4 is the package assembly schematic diagram that the utility model embodiment 2 provides.
High temperature thermal pump water heater described in the present embodiment, comprise the compressor 201 connecting successively, water fluorine heat exchanger 202, reservoir 10, expansion valve 203, evaporimeter 204 and separator 205, on described water fluorine heat exchanger 202, be connected with for flowing into the water inlet pipe of cold water and for flowing out the outlet pipe of hot water, described reservoir 10 is above-mentioned high temperature heat pump reservoirs, it comprises for carrying the base 106 of reservoir, be arranged on the body 101 on base 106, the liquid storage cylinder 102 being surrounded by described body 101, insert in liquid storage cylinder 102 for flowing into the feed tube 103 of cold-producing medium, and insert in liquid storage cylinder 102 for flowing out the drain pipe 104 of cold-producing medium, also comprise the blind pipe 105 that is arranged in liquid storage cylinder 102 and is positioned at feed tube 103 belows, this blind pipe 105 is provided with the body of opening 1051 for bottom sealing and top, the area of described opening 1051 is greater than the cross-sectional area of feed tube 103, therefore first the cold-producing medium flowing out from feed tube 103 can flow in blind pipe 105.
As a kind of preferred scheme, the feed liquor mouth of pipe 1031 of described feed tube 103 lower ends inserts in described blind pipe 105 completely, thus guarantee to flow out from the feed liquor mouth of pipe 1031 of feed tube 103 lower ends no matter be that first liquid refrigerant or gaseous refrigerant can all flow in blind pipe 105.
The principle that described high temperature heat pump reservoir is realized gas-liquid separation is: cold-producing medium flows into liquid storage cylinder 102 when interior by feed tube 103, first can flow in the blind pipe 105 that is arranged on feed tube 103 belows.Because gaseous refrigerant is different from the density of liquid refrigerant, if the cold-producing medium that gas-liquid coexists flows in blind pipe 105, owing to being subject to stopping of blind pipe 105, liquid refrigerant is stayed in blind pipe 105, gaseous refrigerant can flow to liquid storage cylinder 102 top-direction from the opening 1051 on blind pipe 105 tops, when the liquid refrigerant in blind pipe 105 is full of and overflows, owing to being subject to the effect of gravity, liquid refrigerant flows to liquid storage cylinder 102 bottom direction, the liquid refrigerant flowing downward converges in liquid storage cylinder 102 bottoms, and flow out by drain pipe 104, thereby realized gas-liquid separation, solved the problem that gaseous refrigerant follows liquid refrigerant to flow out from drain pipe 104.After the gaseous refrigerant condensation at described liquid storage cylinder 102 tops, from liquid storage cylinder 102 overhead stream to bottom.
As a kind of preferred scheme, the area of the opening 1051 on described blind pipe 105 tops is 2.5～3.5 times of feed tube 103 cross-sectional areas.After effectively guaranteeing that cold-producing medium inflow blind pipe 105 is interior, gaseous refrigerant can flow to liquid storage cylinder 102 tops from opening 1051, and liquid refrigerant can flow to liquid storage cylinder 102 bottoms from opening 1051, to realize gas-liquid separating function.In actual application, multiple value between the cross-sectional area of the area of described opening 1051 and feed tube 103 can be selected any numerical value between 2.5～3.5 times according to actual conditions, such as the area of opening 1051 is 2.7 times, 3.2 times or 3.4 times of feed tube 103 cross-sectional areas.
As a kind of preferred scheme, along in short transverse, the fluid mouth of pipe 1041 of described drain pipe 104 lower ends is lower than the opening 1051 on described blind pipe 105 tops.Because gaseous refrigerant is to flow to liquid storage cylinder 102 tops from the opening 1051 on blind pipe 105 tops, and the fluid mouth of pipe 1041 positions of drain pipe 104 lower ends are arranged on to the position lower than opening 1051, can effectively guarantee that gaseous refrigerant can not flow out from drain pipe.
During the work of the utility model high temperature thermal pump water heater, the exhaust of compressor 201 enters in water fluorine heat exchanger 202 carries out heat exchange, the liquid refrigerant that condensation is got off enters in reservoir 10 from feed tube 103, liquid refrigerant in reservoir 10 flows out from drain pipe 104, and flow in expansion valve 203, after expansion valve 203 throttlings, enter in evaporimeter 204 and carry out heat exchange evaporation with air, the gas producing flows back in compressor 201 and continues compression through separator 205, so moves in circles.This high temperature thermal pump water heater has the advantages that temperature rise is fast.Especially utilized the special construction of above-mentioned high temperature heat pump reservoir, made hot water machine hot operation more steady, efficiency is higher, temperature rise is faster, effectively reduce the consumption of electric power energy, reduced use cost, greatly met the demand of high-temperature-hot-water market to low operating cost hot water machine product.Also have simple in structurely simultaneously, be easy to make, use practical advantage.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. a high temperature heat pump reservoir, comprise body (101), the liquid storage cylinder (102) being surrounded by described body (101), insert in liquid storage cylinder (102) for flowing into the feed tube (103) of cold-producing medium, and insert in liquid storage cylinder (102) for flowing out the drain pipe (104) of cold-producing medium, it is characterized in that, also comprise the blind pipe (105) that is arranged in liquid storage cylinder (102) and is positioned at described feed tube (103) below, this blind pipe (105) is provided with the body of opening (1051) for bottom sealing and top, the area of described opening (1051) is greater than the cross-sectional area of feed tube (103).
2. a kind of high temperature heat pump reservoir according to claim 1, is characterized in that, the feed liquor mouth of pipe (1031) of described feed tube (103) lower end inserts in described blind pipe (105) completely.
3. a kind of high temperature heat pump reservoir according to claim 2, is characterized in that, the lateral wall of described feed tube (103) bottom is fixedly connected with the madial wall of described blind pipe (105), makes described blind pipe (105) be suspended on feed tube (103) bottom.
4. according to a kind of high temperature heat pump reservoir described in claims 1 to 3 any one, it is characterized in that, the area of the opening (1051) on described blind pipe (105) top is 2.5～3.5 times of feed tube (103) cross-sectional area.
5. a kind of high temperature heat pump reservoir according to claim 4, is characterized in that, along in short transverse, the fluid mouth of pipe (1041) of described drain pipe (104) lower end is lower than the opening (1051) on described blind pipe (105) top.
6. a high temperature thermal pump water heater that adopts the high temperature heat pump reservoir described in claim 1 to 5 any one, comprise the compressor (201) connecting successively, water fluorine heat exchanger (202), reservoir (10), expansion valve (203), evaporimeter (204) and separator (205), it is characterized in that, described reservoir (10) comprises body (101), the liquid storage cylinder (102) being surrounded by described body (101), insert in liquid storage cylinder (102) for flowing into the feed tube (103) of cold-producing medium, insert in liquid storage cylinder (102) for flowing out the drain pipe (104) of cold-producing medium, and be arranged in liquid storage cylinder (102) and be positioned at the blind pipe (105) of described feed tube (103) below, described blind pipe (105) is provided with the body of opening (1051) for bottom sealing and top, the area of described opening (1051) is greater than the cross-sectional area of feed tube (103).
7. high temperature thermal pump water heater according to claim 6, is characterized in that, the feed liquor mouth of pipe (1031) of described feed tube (103) lower end inserts in described blind pipe (105) completely.
8. high temperature thermal pump water heater according to claim 7, is characterized in that, the lateral wall of described feed tube (103) bottom is fixedly connected with the madial wall of described blind pipe (105), makes described blind pipe (105) be suspended on feed tube (103) bottom.
9. according to the high temperature thermal pump water heater described in claim 6 to 8 any one, it is characterized in that, the area of described blind pipe (105) top end opening (1051) is 2.5～3.5 times of feed tube (103) cross-sectional area.
10. high temperature thermal pump water heater according to claim 9, is characterized in that, along in short transverse, the fluid mouth of pipe (1041) of described drain pipe (104) lower end is lower than the opening (1051) on described blind pipe (105) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514184.4U CN203518365U (en) | 2013-08-21 | 2013-08-21 | High temperature heat pump liquid accumulator and high temperature heat pump water heater adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514184.4U CN203518365U (en) | 2013-08-21 | 2013-08-21 | High temperature heat pump liquid accumulator and high temperature heat pump water heater adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518365U true CN203518365U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514184.4U Withdrawn - After Issue CN203518365U (en) | 2013-08-21 | 2013-08-21 | High temperature heat pump liquid accumulator and high temperature heat pump water heater adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438626A (en) * | 2013-08-21 | 2013-12-11 | 广东五星太阳能股份有限公司 | High-temperature heat pump liquid storage device and high-temperature heat pump hot water machine comprising same |
-
2013
- 2013-08-21 CN CN201320514184.4U patent/CN203518365U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438626A (en) * | 2013-08-21 | 2013-12-11 | 广东五星太阳能股份有限公司 | High-temperature heat pump liquid storage device and high-temperature heat pump hot water machine comprising same |
| CN103438626B (en) * | 2013-08-21 | 2015-12-16 | 广东五星太阳能股份有限公司 | A kind of high temperature heat pump reservoir and adopt the high temperature thermal pump water heater of this reservoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |