CN201503133U - Heat pump water heater - Google Patents
Heat pump water heater Download PDFInfo
- Publication number
- CN201503133U CN201503133U CN2009200624315U CN200920062431U CN201503133U CN 201503133 U CN201503133 U CN 201503133U CN 2009200624315 U CN2009200624315 U CN 2009200624315U CN 200920062431 U CN200920062431 U CN 200920062431U CN 201503133 U CN201503133 U CN 201503133U
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- Prior art keywords
- water
- heat exchanger
- outlet pipe
- hot water
- heat pump
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000005057 refrigeration Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000004064 recycling Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 239000008236 heating water Substances 0.000 abstract 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a heat pump water heater, which comprises a first heat exchanger, a second heat exchanger, a compressor, a throttling element and a water tank, wherein the first heat exchanger is a water side heat exchanger, and a refrigeration working medium side of the first heat exchanger, the second heat exchanger, the compressor and the throttling element are connected through connecting pipes to form a refrigeration working medium circulation loop; the two ends of the water side of the first heat exchanger are communicated with the water tank through a direct-heating water outlet pipe and a water inlet pipe respectively to form a hot water pipeline, a water pump is arranged on the hot water pipeline, and a water replenishing port is arranged on the water inlet pipe; the heat pump water heater also comprises a circulating water outlet pipe, wherein two ends of the circulating water outlet pipe are connected with the direct-heating water outlet pipe in parallel, and control valves are arranged on the circulating water outlet pipe and the direct-heating water outlet pipe and are electrically connected with a control circuit. The utility model discloses with directly-heated type and circulating integration, avoid the hot-water machine at the in-process that circulates heat preservation, because the temperature in water is too high and cause unit high-pressure protection.
Description
Technical field
The utility model relates to a kind of heat pump water-heating machine.
Background technology
Heat pump water-heating machine is to adopt heat pump principle that heat energy in air is risen to high-order heat energy, and water heated, heat pump water-heating machine be widely used gradually, but also there is following shortcoming in existing directly-heated type heat-pump hot-water unit because it has the advantage of environmental protection and energy saving:
1, existing directly-heated type source pump is directly cold water to be inserted unit, regulates discharge by the water valve on the water route, obtains the leaving water temperature of the big temperature difference, thereby realizes disposable cold water being heated to the temperature required purpose of user; But when this hot water machine circulates insulation to water tank, in case inflow temperature too high (more than general 40 degree) because discharge is little, very easily causes the unit high voltage protective;
2, the geographical hydrology state in district in all parts of the country varies, and running water pipe network pressure of supply water is inconsistent, and same local peak period and other period pressure of supply waters also can be different; And the discharge of same model hot water unit to regulate algorithm be the same, in case the intake pressure instability, appearance is than great fluctuation process, also can cause on the leaving water temperature than great fluctuation process, do not reach the user and set demand, influence user's water comfortableness like this;
3, existing heat pump water-heating machine is low to the adjusting control accuracy of temperature.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of heat pump water-heating machine is provided, and the utility model avoids hot water machine in the process of insulation that circulates directly-heated type and circulating integrated, causes the unit high voltage protective owing to coolant-temperature gage is too high.
Its technical scheme is as follows:
A kind of heat pump water-heating machine, comprise first heat exchanger, second heat exchanger, compressor, restricting element and water tank, first heat exchanger is a water-side heat, and the refrigeration working medium side of first heat exchanger, second heat exchanger, compressor, restricting element are by tube connector connection formation refrigeration working medium closed circuit; The two ends of the first heat exchanger water side are connected to form the hot water line by directly-heated outlet pipe, water inlet pipe and water tank respectively, are provided with water pump on this hot water line, are provided with water supplement port on water inlet pipe; This heat pump water-heating machine also includes recycling outlet, and the two ends of this recycling outlet are in parallel with aforementioned directly-heated outlet pipe, is equipped with by-pass valve control on recycling outlet and directly-heated outlet pipe, and by-pass valve control and control circuit are electrically connected.
The utility model is because in parallel with recycling outlet with the directly-heated outlet pipe, and when hot water machine was in directly-heated moisturizing state, the hot water of the first heat exchanger water side was discharged in the water tank by the directly-heated outlet pipe, is discharged by water tank and carries out shower; When hot water machine was in the circulation keeping warm mode, the hot water of the first heat exchanger water side was discharged to water tank by circulation, can not occur high temperature protection owing to water temperature is too high under the circulation keeping warm mode.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
The described by-pass valve control of being located on the described directly-heated outlet pipe comprises pressure maintaining valve, after pressure maintaining valve is set, this water heater has the self adaptation regulatory function, can make intake pressure maintain steady state value, like this, be used for different regions or during with different period in area, intake pressure all can keep stablizing when water heater, the leaving water temperature of hot water machine is more stable, has improved the comfortableness of hot water machine greatly.
The described by-pass valve control of being located on the described directly-heated outlet pipe also comprises electronic type warm water valve.This electronic type warm water valve is accurately regulated the flow of directly-heated outlet pipe, can realize the accurate leaving water temperature control of 3000B.
This heat pump water-heating machine also comprises cross valve, and the refrigeration working medium side of described first heat exchanger, second heat exchanger, compressor, restricting element and this cross valve are by the described refrigeration working medium closed circuit of tube connector connection formation.Be provided with after the cross valve, can change the flow direction of refrigeration working medium by this cross valve, and second heat exchanger is defrosted.
Be provided with temperature-sensing element on described hot water outlet pipe, be provided with the backwater control valve on described hot water return pipe, this temperature-sensing element and described backwater control valve are electrically connected.
In sum, the utility model has the advantages that: the utility model avoids hot water machine in the process of insulation that circulates directly-heated type and circulating integrated, causes the unit high voltage protective owing to coolant-temperature gage is too high.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
Fig. 1 is the structure chart of the utility model embodiment;
Description of reference numerals:
1, first heat exchanger, 2, second heat exchanger, 3, compressor, 4, restricting element, 5, water tank, 6, tube connector, 7, the directly-heated outlet pipe, 8, water inlet pipe, 9, water pump, 10, filling pipe, 11, water compensating valve, 12, recycling outlet, 13, pressure maintaining valve, 14, electronic type warm water valve, 15, cross valve, 16, the hot water outlet pipe, 17, hot water return pipe, 18, temperature-sensing element, 19, the backwater control valve, 20, magnetic valve.
The specific embodiment
As shown in Figure 1, a kind of heat pump water-heating machine, comprise first heat exchanger 1, second heat exchanger 2, compressor 3, restricting element 4 and water tank 5, first heat exchanger 1 is a water-side heat, and the refrigeration working medium side of first heat exchanger 1, second heat exchanger 2, compressor 3, restricting element 4 form the refrigeration working medium closed circuit by tube connector 6 connections; The two ends of first heat exchanger, 1 water side are connected to form the hot water line by directly-heated outlet pipe 7, water inlet pipe 8 with water tank 5 respectively, are provided with water pump 9 on this hot water line, are provided with water supplement port on water inlet pipe 8; This heat pump water-heating machine also includes recycling outlet 12, and the two ends of this recycling outlet 12 are in parallel with aforementioned directly-heated outlet pipe 7, are equipped with by-pass valve control on recycling outlet 12 and directly-heated outlet pipe 7, and by-pass valve control and control circuit are electrically connected.
Wherein, this heat pump water-heating machine comprises that also refrigeration working medium side, second heat exchanger 2, compressor 3, restricting element 4 and this cross valve 15 of cross valve 15, the first heat exchangers 1 form described refrigeration working medium closed circuit by tube connector 6 connections; The described by-pass valve control of being located on the directly-heated outlet pipe 7 comprises pressure maintaining valve 13 and electronic type warm water valve 14, and the described by-pass valve control of being located on the recycling outlet 12 is a magnetic valve 20; Be connected with hot water outlet pipe 16 and hot water return pipe 17 on water tank 5, the end of hot water outlet pipe 16 and hot water return pipe 17 communicates, and is provided with hot water outlet (being gondola water faucet) on hot water outlet pipe 16; Be provided with temperature-sensing element 18 on hot water outlet pipe 16, be provided with backwater control valve 19 on hot water return pipe 17, this temperature-sensing element 18 is electrically connected with backwater control valve 19; On water supplement port, be connected with filling pipe 10, on filling pipe 10, be provided with water compensating valve 11.
Present embodiment has following operating mode:
1, directly-heated moisturizing
Cross valve 15 outages, magnetic valve 20 outages, the HTHP refrigeration working medium that compressor 3 comes out enters first heat exchanger 1 through behind the cross valve 15, cover next water behind first heat exchanger 1, pressure maintaining valve 13, electronics warm water valve 14 from filling pipe 10, be heated into hot water by cold water, hot water enters water tank 5 through directly-heated outlet pipe 7.User's water flows out through hot water outlet pipe 16, if when not having the user to use water, its hot water can pass through hot water return pipe 17 reflow tanks, temperature-sensing element 18 constantly detects the temperature of water pipe simultaneously, when the hot water temperature of water pipe is lower than the value of setting, water pump in the control outlet pipe 16 makes the water in the water pipe flow into water tank by return pipe 17, guarantees that the water in the water pipe can be in certain temperature range.After pressure maintaining valve is set, this water heater has the self adaptation regulatory function, can make intake pressure maintain steady state value, like this, when water heater is used for different regions or during with different period in area, it is stable that intake pressure all can keep, and the leaving water temperature of hot water machine is more stable, has improved the comfortableness of hot water machine greatly.After refrigeration working medium comes out from first heat exchanger 1 through restricting element 4 throttlings.By 2 evaporations of second heat exchanger, get back to compressor 3 then through cross valve 15.
2, circulation insulation
Cross valve 15 outages, magnetic valve 20 powers on, and the HTHP refrigeration working medium that compressor 3 comes out is through cross valve 15 backs first heat exchanger 1, and the water in the water tank 5 enters first heat exchanger 1 from water inlet pipe 8 and is heated into hot water, hot water enters water tank 5 through recycling outlet 12, and this moment, electronics warm water valve 14 passes were dead.After refrigeration working medium comes out from first heat exchanger 1 through restricting element 4 throttlings.By after 2 evaporations of second heat exchanger, enter cross valve 15 and get back to compressor 3 then.
3, unit defrost
Cross valve 15 powers on, magnetic valve 20 powers on, the HTHP refrigeration working medium that compressor 3 comes out is through behind the cross valve 15, enter second heat exchanger and carry out defrost, pass through restricting element 4 throttlings then, enter first heat exchanger 1,, get back to compressor 3 by cross valve 15 then with the hot water heat exchange evaporation in the water tank of drawing back from water inlet pipe 85.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (6)
1. heat pump water-heating machine, comprise first heat exchanger, second heat exchanger, compressor, restricting element and water tank, first heat exchanger is a water-side heat, and the refrigeration working medium side of first heat exchanger, second heat exchanger, compressor, restricting element are by tube connector connection formation refrigeration working medium closed circuit; The two ends of the first heat exchanger water side are connected to form the hot water line by directly-heated outlet pipe, water inlet pipe and water tank respectively, are provided with water pump on this hot water line, are provided with water supplement port on water inlet pipe; It is characterized in that this heat pump water-heating machine also includes recycling outlet, the two ends of this recycling outlet are in parallel with aforementioned directly-heated outlet pipe, are equipped with by-pass valve control on recycling outlet and directly-heated outlet pipe, and by-pass valve control and control circuit are electrically connected.
2. heat pump water-heating machine according to claim 1 is characterized in that the described by-pass valve control of being located on the described directly-heated outlet pipe comprises pressure maintaining valve.
3. as heat pump water-heating machine as described in the claim 2, it is characterized in that the described by-pass valve control of being located on the described directly-heated outlet pipe also comprises electronic type warm water valve.
4. as heat pump water-heating machine as described in each in the claim 1 to 3, it is characterized in that, this heat pump water-heating machine also comprises cross valve, and the refrigeration working medium side of described first heat exchanger, second heat exchanger, compressor, restricting element and this cross valve are by the described refrigeration working medium closed circuit of tube connector connection formation.
5. as heat pump water-heating machine as described in each in the claim 1 to 3, it is characterized in that be connected with hot water outlet pipe and hot water return pipe on described water tank, the end of hot water outlet pipe and hot water return pipe communicates, and is provided with hot water outlet on the hot water outlet pipe.
6. as heat pump water-heating machine as described in each in the claim 1 to 3, it is characterized in that, be provided with temperature-sensing element on described hot water outlet pipe, be provided with the backwater control valve on described hot water return pipe, this temperature-sensing element and described backwater control valve are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200624315U CN201503133U (en) | 2009-08-17 | 2009-08-17 | Heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200624315U CN201503133U (en) | 2009-08-17 | 2009-08-17 | Heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503133U true CN201503133U (en) | 2010-06-09 |
Family
ID=42454065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200624315U Expired - Lifetime CN201503133U (en) | 2009-08-17 | 2009-08-17 | Heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503133U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927689A (en) * | 2011-08-08 | 2013-02-13 | 珠海格力电器股份有限公司 | Control method and controller of heat pump water heater and heat pump water heater |
| CN103245055A (en) * | 2012-02-03 | 2013-08-14 | 王静宇 | Directly-heated type and circular type integrated heat-pump water heater system |
| CN104896757A (en) * | 2015-06-17 | 2015-09-09 | 合肥美的暖通设备有限公司 | Water heater and control method thereof |
| CN108592402A (en) * | 2018-06-28 | 2018-09-28 | 珠海格力电器股份有限公司 | Direct-heating circulation type heat pump water heater with waterway anti-freezing system and anti-freezing method |
| CN108895662A (en) * | 2018-06-12 | 2018-11-27 | 合肥美的暖通设备有限公司 | Hot water machine and its control method, control device, readable storage medium storing program for executing |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN112484304A (en) * | 2020-12-02 | 2021-03-12 | 广州特殊拉新能源科技有限公司 | Air energy water heater |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2009
- 2009-08-17 CN CN2009200624315U patent/CN201503133U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927689A (en) * | 2011-08-08 | 2013-02-13 | 珠海格力电器股份有限公司 | Control method and controller of heat pump water heater and heat pump water heater |
| CN102927689B (en) * | 2011-08-08 | 2015-02-04 | 珠海格力电器股份有限公司 | Control method and controller of heat pump water heater and heat pump water heater |
| CN103245055A (en) * | 2012-02-03 | 2013-08-14 | 王静宇 | Directly-heated type and circular type integrated heat-pump water heater system |
| CN104896757A (en) * | 2015-06-17 | 2015-09-09 | 合肥美的暖通设备有限公司 | Water heater and control method thereof |
| CN104896757B (en) * | 2015-06-17 | 2017-11-07 | 合肥美的暖通设备有限公司 | Hot water machine and its control method |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN108895662A (en) * | 2018-06-12 | 2018-11-27 | 合肥美的暖通设备有限公司 | Hot water machine and its control method, control device, readable storage medium storing program for executing |
| CN108592402A (en) * | 2018-06-28 | 2018-09-28 | 珠海格力电器股份有限公司 | Direct-heating circulation type heat pump water heater with waterway anti-freezing system and anti-freezing method |
| CN108592402B (en) * | 2018-06-28 | 2023-10-31 | 珠海格力电器股份有限公司 | Direct-heating circulation type heat pump water heater with waterway antifreezing system and antifreezing method |
| CN112484304A (en) * | 2020-12-02 | 2021-03-12 | 广州特殊拉新能源科技有限公司 | Air energy water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
|
| CX01 | Expiry of patent term |