CN203595277U - Heat-pump water heater - Google Patents
Heat-pump water heater Download PDFInfo
- Publication number
- CN203595277U CN203595277U CN201320738208.4U CN201320738208U CN203595277U CN 203595277 U CN203595277 U CN 203595277U CN 201320738208 U CN201320738208 U CN 201320738208U CN 203595277 U CN203595277 U CN 203595277U
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- Prior art keywords
- interface
- heat exchanger
- branch road
- throttling
- heat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000010257 thawing Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 20
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model relates to a heat-pump water heater which comprises a compressor, a four-way valve, a first heat exchanger, a liquid storage device, a second heat exchanger, a gas-liquid separator and a throttling device. The compressor is connected with the four-way valve, the four-way valve is connected with a refrigerant inlet of the second heat exchanger, a liquid inlet of the liquid storage device is connected with a refrigerant outlet of the second heat exchanger, a liquid outlet of the liquid storage device is connected with the first heat exchanger, the first heat exchanger is connected with the four-way valve which is connected with the gas-liquid separator, and the gas-liquid separator is connected with the compressor; the throttling device is arranged on a pipeline through which the liquid storage device is connected with the first heat exchanger and comprises a heating throttling branch circuit, a defrosting throttling branch circuit and an overload throttling branch circuit. By means of the throttling device, the heat-pump water heater can react differently in normal heating operation, overload heating operation and defrosting operation and normal operation of a system is guaranteed.
Description
Technical field
The utility model relates to a kind of Teat pump boiler.
Background technology
Teat pump boiler is that a kind of efficient heat energy promotes and transfer device, and it utilizes a small amount of electric energy as power, can, by the transfer of heat of low-temperature heat source in the water of needs heating, realize the heating function to water.Throttling stream of Teat pump boiler of the prior art, the demand of unit different flow while being difficult to meet different operating mode, the Teat pump boiler of a throttling stream heats and likely cause system pressure too high summer, and winter frost removing likely causes defrosting effect poor.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and can guarantee the Teat pump boiler of normal operation.
The technical scheme in the invention for solving the above technical problem is: this Teat pump boiler, comprise compressor, cross valve, a heat exchanger, reservoir, No. two heat exchangers and gas-liquid separator, described No. two heat exchangers are provided with water inlet pipe, outlet pipe, refrigerant inlet 53 and refrigerant outlet, described reservoir is provided with inlet and liquid outlet, described cross valve is provided with D interface, C interface, E interface and S interface, described D interface is communicated with C interface, described S interface is communicated with E interface, described compressor is connected with the D interface of cross valve, the C joint of described cross valve is connected with the refrigerant inlet of No. two heat exchangers, the inlet of described reservoir is connected with the refrigerant outlet of No. two heat exchangers, the liquid outlet of reservoir is connected with a heat exchanger, No. one heat exchanger is connected with the E interface of cross valve, the S interface of cross valve is connected with gas-liquid separator, gas-liquid separator is connected with compressor, between above-mentioned interconnected structure, all connect by pipeline, form whole cold-producing medium flow process loop, it is characterized in that: also comprise throttling arrangement, described throttling arrangement is arranged on the pipeline that connects reservoir and a heat exchanger, described throttling arrangement comprises and heats throttling branch road, defrosting throttling branch road and excess load throttling branch road.In the time of the normal heating operation of Teat pump boiler, cold-producing medium heats the throttling of throttling branch road by throttling arrangement, and defrosting throttling branch road and excess load throttling branch road are closed not conducting; In the time of Teat pump boiler excess load in summer heating operation, because system pressure rises, while reaching unloader opening pressure, the conducting of excess load throttling branch road, cold-producing medium can heat throttling branch road and excess load throttling branch road passes through, and effectively increases circulation, has reduced system pressure, avoided compressor overload operation, the throttling branch road that now defrosts is closed not conducting; In the time that defrosting heat pump water heater moves, the conducting of defrosting throttling branch road, cold-producing medium can pass through with defrosting throttling branch road heating throttling branch road, effectively increases circulation, while having avoided defrosting, refrigerant flow deficiency, now excess load throttling branch road is closed not conducting.
The throttling branch road that heats described in the utility model is provided with and heats capillary.Heat throttling branch road and be always conducting state.
Defrosting throttling branch road described in the utility model is provided with defrosting capillary and check valve.Defrosting throttling branch road is one-way conduction, i.e. only conducting in the time that defrosting heat pump water heater moves.
On excess load throttling branch road described in the utility model, be provided with unloader and off-load capillary.In the time that system pressure reaches setting value, unloader will be opened automatically, thereby makes the conducting of excess load throttling branch road, reduces system pressure.
A heat exchanger described in the utility model is finned heat exchanger, is provided with blower fan on finned heat exchanger.
The utility model compared with prior art, have the following advantages and effect: simple in structure, reasonable in design, the setting of throttling arrangement can be made different reactions to the normal heating operation of Teat pump boiler, excess load heating operation and Defrost operation, and assurance system is normally moved.
Accompanying drawing explanation
Fig. 1 is the structural representation of Teat pump boiler in the utility model embodiment.
Fig. 2 is the structural representation of throttling arrangement.
Structure flow chart when Fig. 3 is normal heating operation.
Structure flow chart when Fig. 4 is excess load heating operation.
Fig. 5 is the structure flow chart of Defrost operation.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 5, the Teat pump boiler in the present embodiment comprises compressor 1, cross valve 2, heat exchanger 3, reservoir 4, No. two heat exchangers 5, gas-liquid separator 6, throttling arrangement 7, blower fan 8.A heat exchanger 3 in the present embodiment is finned heat exchanger, is provided with blower fan 8 on finned heat exchanger.In the present embodiment, the flow direction that the arrow in Fig. 3, Fig. 4 and Fig. 5 is cold-producing medium.
No. two heat exchangers 5 in the present embodiment are provided with water inlet pipe 51, outlet pipe 52, refrigerant inlet 53 and refrigerant outlet 54, reservoir 4 is provided with inlet 41 and liquid outlet 42, cross valve 2 is provided with D interface, C interface, E interface and S interface, when heating operation, D interface is communicated with C interface, S interface is communicated with E interface, compressor 1 is connected with the D interface of cross valve 2, the C joint of cross valve 2 is connected with the refrigerant inlet 53 of No. two heat exchangers 5, the inlet 41 of reservoir 4 is connected with the refrigerant outlet 54 of No. two heat exchangers 5, the liquid outlet 42 of reservoir 4 is connected with throttling arrangement 7, throttling arrangement 7 is connected with a heat exchanger 3, No. one heat exchanger 3 is connected with the E interface of cross valve 2, the S interface of cross valve 2 is connected with gas-liquid separator 6, gas-liquid separator 6 is connected with compressor 1, between above-mentioned interconnected structure, all connect by pipeline, form whole cold-producing medium flow process loop, throttling arrangement 7 is arranged on the pipeline that connects reservoir 4 and a heat exchanger 3, and throttling arrangement 7 comprises and heats throttling branch road 71, defrosting throttling branch road 72 and excess load throttling branch road 73.
The operation principle of throttling arrangement 7: in the time of the normal heating operation of Teat pump boiler, cold-producing medium heats 71 throttlings of throttling branch road by throttling arrangement 7, defrosting throttling branch road 72 is closed not conducting with excess load throttling branch road 73; In the time of Teat pump boiler excess load in summer heating operation, because system pressure rises, while reaching unloader opening pressure, 73 conductings of excess load throttling branch road, cold-producing medium can pass through with excess load throttling branch road 73 heating throttling branch road 71, effectively increases circulation, has reduced system pressure, avoided compressor 1 overload operation, the throttling branch road 72 that now defrosts is closed not conducting; In the time that defrosting heat pump water heater moves, 72 conductings of defrosting throttling branch road, cold-producing medium can pass through with defrosting throttling branch road 72 heating throttling branch road 71, effectively increase circulation, while having avoided defrosting, refrigerant flow deficiency, now excess load throttling branch road 73 is closed not conducting.
When normal heating operation and excess load heating operation, the operation principle of refrigerant circulation flow process: 1, compressor 1 sucks low-temperature low-pressure refrigerant gas from gas-liquid separator 6, discharges high-temperature high-pressure refrigerant gas through overcompression from compressor 1; 2, high-temperature high-pressure refrigerant gas flow enters cross valve 2 and enters heat exchanger 5 No. two from C joint from D joint, high-temperature high-pressure refrigerant gas is No. two heat exchanger 5 internal condensation Cheng Zhongwen high pressure refrigerant liquid, water enters and flows out from outlet pipe 52 from water inlet pipe 51, and water and No. two exchanger heats 5 exchange during this time; 3, warm high pressure refrigerant liquid flowing out from No. two heat exchangers 5, flows into reservoir 4 inlets 41, then from from the liquid outlet 42 of reservoir 4 flows out, through throttling arrangement 7, becomes low-temperature low-pressure refrigerant liquid; 4, low-temperature low-pressure refrigerant liquid flows into a heat exchanger 3, and now blower fan 8 is in "on" position, and low-temperature low-pressure refrigerant liquid evaporates in a heat exchanger 3, absorbs airborne heat and becomes low-temperature low-pressure refrigerant gas; 5, the low-temperature low-pressure refrigerant gas that heat exchanger 3 flows out, E joint and the S joint of the cross valve 2 of flowing through enter gas-liquid separator 6; Last low-temperature low-pressure refrigerant gas reenters compressor 1, so circulation.
When Defrost operation, the operation principle of refrigerant circulation flow process: 1, compressor 1 sucks low-temperature low-pressure refrigerant gas from gas-liquid separator 6, discharges high-temperature high-pressure refrigerant gas through overcompression from compressor 1; 2, high-temperature high-pressure refrigerant gas flow enters cross valve 2 and enters heat exchanger 3 No. one from E joint from D joint, and high-temperature high-pressure refrigerant gas is heat exchanger 3 internal condensation Cheng Zhongwen high pressure refrigerant liquid; 3, warm high pressure refrigerant liquid flowing out from heat exchanger 3, the throttling arrangement 7 of flowing through, becomes low-temperature low-pressure refrigerant liquid; 4, the low-temperature low-pressure refrigerant liquid reservoir 4 of flowing through, then enter heat exchanger 5 No. two, then entering gas-liquid separator 6 by S joint and the C joint of cross valve 2, last low-temperature low-pressure refrigerant gas reenters compressor 1, so circulation.
In addition, it should be noted that, the specific embodiment described in this description, shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to the utility model structure and the explanation of accompanying drawing example.All equivalence variation or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (5)
1. a Teat pump boiler, comprise compressor, cross valve, a heat exchanger, reservoir, No. two heat exchangers and gas-liquid separator, described No. two heat exchangers are provided with water inlet pipe, outlet pipe, refrigerant inlet and refrigerant outlet, described reservoir is provided with inlet and liquid outlet, described cross valve is provided with D interface, C interface, E interface and S interface, described D interface is communicated with C interface, described S interface is communicated with E interface, described compressor is connected with the D interface of cross valve, the C joint of described cross valve is connected with the refrigerant inlet of No. two heat exchangers, the inlet of described reservoir is connected with the refrigerant outlet of No. two heat exchangers, the liquid outlet of reservoir is connected with a heat exchanger, No. one heat exchanger is connected with the E interface of cross valve, the S interface of cross valve is connected with gas-liquid separator, gas-liquid separator is connected with compressor, between above-mentioned interconnected structure, all connect by pipeline, form whole cold-producing medium flow process loop, it is characterized in that: also comprise throttling arrangement, described throttling arrangement is arranged on the pipeline that connects reservoir and a heat exchanger, described throttling arrangement comprises and heats throttling branch road, defrosting throttling branch road and excess load throttling branch road.
2. Teat pump boiler according to claim 1, is characterized in that: described in heat throttling branch road and be provided with and heat capillary.
3. Teat pump boiler according to claim 1, is characterized in that: described defrosting throttling branch road is provided with defrosting capillary and check valve.
4. Teat pump boiler according to claim 1, is characterized in that: on described excess load throttling branch road, be provided with unloader and off-load capillary.
5. according to the Teat pump boiler described in claim 1 or 2 or 3 or 4, it is characterized in that: a described heat exchanger is finned heat exchanger, is provided with blower fan on finned heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738208.4U CN203595277U (en) | 2013-11-21 | 2013-11-21 | Heat-pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738208.4U CN203595277U (en) | 2013-11-21 | 2013-11-21 | Heat-pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595277U true CN203595277U (en) | 2014-05-14 |
Family
ID=50676155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738208.4U Expired - Lifetime CN203595277U (en) | 2013-11-21 | 2013-11-21 | Heat-pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131672A (en) * | 2017-05-19 | 2017-09-05 | 北京建筑大学 | A kind of accumulating type air source heat pump system |
-
2013
- 2013-11-21 CN CN201320738208.4U patent/CN203595277U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131672A (en) * | 2017-05-19 | 2017-09-05 | 北京建筑大学 | A kind of accumulating type air source heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Haiyan County, Jiaxing city of Zhejiang Province in 314300 Haicheng Town Road No. 468 Patentee after: ZHEJIANG CHUANGNENG NEW ENERGY CO.,LTD. Address before: 314308 Industrial Park, Haiyan County, Zhejiang, Jiaxing Patentee before: ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |
|
| CX01 | Expiry of patent term |