CN212585053U - Air source heat pump heating device - Google Patents
Air source heat pump heating device Download PDFInfo
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- CN212585053U CN212585053U CN202021648985.6U CN202021648985U CN212585053U CN 212585053 U CN212585053 U CN 212585053U CN 202021648985 U CN202021648985 U CN 202021648985U CN 212585053 U CN212585053 U CN 212585053U
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Abstract
The utility model discloses an air source heat pump heating device relates to heat exchanger technical field, include: the system comprises a compressor, a domestic hot water heat exchanger, a heating hot water heat exchanger, a main heat exchanger, a first throttling element, a second throttling element, a first electric control valve, a second electric control valve and a controller; the compressor, the domestic hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a first loop; the compressor, the heating hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a second loop; the first loop and the second loop share a compressor and a total heat exchanger; the temperature measuring device also comprises a first temperature measuring device and a second temperature measuring device; the utility model provides an air source heat pump heating device can satisfy simultaneous heating life hot water and heating hot water to can adjust heat energy output according to the demand of difference.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to an air source heat pump heating device.
Background
The water heaters in the market at present mainly comprise four types, namely solar water heaters, gas water heaters, electric water heaters and heat pump water heaters. The solar water heater utilizes natural energy and has the characteristic of energy conservation, but the heating effect of the solar water heater is greatly influenced by weather; the gas water heater and the electric water heater have good quick heating effect, but the energy waste is serious, and the national guidelines for energy conservation and emission reduction are not met. The traditional heat pump water heater is driven by electric energy and utilizes an air heat source to heat water, and has the advantage of energy conservation. However, heating hot water and domestic hot water cannot be provided at the same time, and two systems are needed for providing the heating hot water and the domestic hot water.
Disclosure of Invention
The utility model aims at providing an air source heat pump heating device to solve the problem that above-mentioned prior art exists, this device can heat life hot water and heating hot water simultaneously, and can adjust heat energy output according to the demand of difference.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an air source heat pump heating device, include: the system comprises a compressor, a domestic hot water heat exchanger, a heating hot water heat exchanger, a main heat exchanger, a first throttling element, a second throttling element, a first electric control valve, a second electric control valve and a controller; the domestic hot water heat exchanger is used for heating domestic hot water, and the heating hot water heat exchanger is used for heating hot water; the compressor, the domestic hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a first loop; the compressor, the heating hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a second loop; the first electrically controlled valve and the first throttling element are arranged in a pipeline of the first circuit, the second electrically controlled valve and the second throttling element are arranged in a pipeline of the second circuit, and the first circuit and the second circuit share one compressor and one main heat exchanger; the first throttling element, the second throttling element, the first electric control valve and the second electric control valve are all electrically connected with the controller; the temperature measuring device also comprises a first temperature measuring device and a second temperature measuring device; the first temperature measuring device is used for measuring the temperature of domestic hot water, the second temperature measuring device is used for measuring the temperature of heating hot water, and the first temperature measuring device and the second temperature measuring device are electrically connected with the controller.
Preferably, the domestic hot water system further comprises a first three-way valve and a second three-way valve, wherein three interfaces of the first three-way valve are respectively connected with a refrigerant outlet of the compressor, a refrigerant inlet of the heating hot water heat exchanger and a refrigerant inlet of the domestic hot water heat exchanger, and three interfaces of the second three-way valve are respectively communicated with an outlet of the heating hot water heat exchanger, an outlet of the domestic hot water heat exchanger and a refrigerant inlet of the main heat exchanger;
the first electric control valve and the first throttling element are both arranged on a pipeline between the first three-way valve and the domestic hot water heat exchanger or a pipeline between the domestic hot water heat exchanger and the second three-way valve, and the second electric control valve and the second throttling element are arranged on a pipeline between the first three-way valve and the heating hot water heat exchanger or a pipeline between the heating hot water heat exchanger and the second three-way valve.
Preferably, the first electric control valve and the second electric control valve are both solenoid valves; the first throttling element and the second throttling element are both electronic expansion valves.
Preferably, the first temperature measuring device and the second temperature measuring device are both temperature sensors.
Preferably, the heat exchanger further comprises a gas-liquid separator, and the gas-liquid separator is arranged on a pipeline between the main heat exchanger and the compressor.
Preferably, the system further comprises a four-way valve, and four interfaces of the four-way valve are respectively connected and communicated with the main heat exchanger, the first three-way valve, the gas-liquid separator and the compressor.
Preferably, the total heat exchanger is selected to be a fin heat exchanger.
The utility model also provides a be applied to as above the method of adjusting heat energy output in the air source heat pump heating device, include:
firstly, a user presets Ts1 for the temperature of a water tank of domestic hot water and Ts2 for the temperature of heating outlet water in a control system of the controller; the first temperature detection device detects that the temperature of a water tank of domestic hot water is Tw1 actually, and the second temperature detection device detects that the temperature of heating hot water is Tw2 actually; presetting a starting return difference constant as a; presetting a first-order return difference constant as b1, a second-order return difference constant as b2, and b2> b 1; the first-order proportionality coefficient corresponding to the preset throttling element is c1, and the second-order proportionality coefficient is c2, c2> c1> 1; the flow rate of the first throttling element in unit time is EXV1, and the flow rate of the second throttling element in unit time is EXV 2;
when the controller detects that Ts1-Tw1 is more than or equal to a and Ts2-Tw2 is more than or equal to a, the control system is started to operate, and the first electric control valve (SV1) and the second electric control valve (SV2) are opened:
1) when (Ts1-Tw1) - (Ts2-Tw2) ≥ b2, considering that the demand of domestic hot water is far greater than the demand of heating hot water, and controlling EXV1 in the first throttling element and the second throttling element to be c2 and EXV 2;
2) when b2 is more than or equal to (Ts1-Tw1) - (Ts2-Tw2) more than or equal to b1, considering that the demand of domestic hot water is slightly more than the demand of heating hot water, and controlling EXV1 (c 1) EXV2 in the first throttling element and the second throttling element;
3) when b1 ≧ l (Ts1-Tw1) - (Ts2-Tw2) | considers the demand of domestic hot water to be equal to the demand of heating hot water, the EXV1 in the first throttling element and the second throttling element is controlled to be EXV 2;
4) when b2 is more than or equal to (Ts2-Tw2) - (Ts1-Tw1) more than or equal to b1, considering that the domestic hot water demand is slightly less than the heating hot water demand, and controlling EXV2 (c 1) EXV1 in the first throttling element and the second throttling element;
5) when (Ts2-Tw2) - (Ts1-Tw1) ≥ b2, considering that the domestic hot water demand is far less than the heating hot water demand, and controlling EXV2 in the first throttling element and the second throttling element to be c2 and EXV 1;
when the controller system detects that Ts1-Tw1 is less than a and Ts2-Tw2 is more than or equal to a, the controller system controls the system to start to operate, opens SV2 and closes SV1, and the system only heats the heating hot water;
when the controller system detects that Ts2-Tw2 is less than a and Ts1-Tw1 is more than or equal to a, the controller system controls the system to start to operate, opens SV1 and closes SV2, and the system only heats domestic hot water.
The utility model discloses for prior art gain following technological effect:
the utility model provides an air source heat pump heating device, a control system and a heat exchange system are shared by a domestic hot water heat exchanger and a heating hot water heat exchanger in the device, the refrigerant distribution quantity in a domestic hot water heating loop and a heating hot water heating loop is controlled by controlling the proportionality coefficient of the refrigerant flow in the unit time of a first throttling element and the refrigerant flow in the unit time of a second throttling element, thereby realizing the distribution and regulation function of heat, and automatically regulating the heating rates of domestic hot water and heating hot water; the device can heat domestic hot water and heating hot water simultaneously, and can adjust heat energy output according to different requirements.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an air-source heat pump heating device provided in a first embodiment;
in the figure: the system comprises a compressor 1, a domestic hot water heat exchanger 2, a heating hot water heat exchanger 3, a total heat exchanger 4, a gas-liquid separator 5, a controller 6, a first electric control valve 7, a second electric control valve 8, a four-way valve 9, a second throttling element 10, a first throttling element 11, a first temperature measuring device 12 and a second temperature measuring device 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an air source heat pump heating device to solve the problem that prior art exists, this device can heat life hot water and heating hot water simultaneously, and can adjust heat energy output according to the demand of difference.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
The present embodiment provides an air source heat pump heating apparatus, as shown in fig. 1, including: the system comprises a compressor 1, a domestic hot water heat exchanger 2, a heating hot water heat exchanger 3, a main heat exchanger 4, a first throttling element 11, a second throttling element 10, a first electric control valve 7, a second electric control valve 8 and a controller 6; the domestic hot water heat exchanger 2 is used for heating domestic hot water, and the heating hot water heat exchanger 3 is used for heating hot water; the compressor 1, the domestic hot water heat exchanger 2 and the main heat exchanger 4 are sequentially connected end to end through pipelines to form a first loop; the compressor 1, the heating hot water heat exchanger 3 and the main heat exchanger 4 are sequentially connected end to end through pipelines to form a second loop; the first electric control valve 7 and the first throttling element 11 are arranged in a pipeline of a first loop, the second electric control valve 8 and the second throttling element 10 are arranged in a pipeline of a second loop, the first loop and the second loop share a common part, and the first loop and the second loop share one compressor 1 and one main heat exchanger 4; the first throttling element 11, the second throttling element 10, the first electric control valve 7 and the second electric control valve 8 are all electrically connected with the controller 6; a first temperature measuring device 12 and a second temperature measuring device 13 are also included; the first temperature measuring device 12 is used for measuring the temperature of domestic hot water, the second temperature measuring device 13 is used for measuring the temperature of heating hot water, and the first temperature measuring device 12 and the second temperature measuring device 13 are both electrically connected with the controller 6;
the domestic hot water heat exchanger 2 and the heating hot water heat exchanger 3 in the embodiment share one control system and a heat exchange system, and the distribution amount of the refrigerant in the domestic hot water heat supply loop and the heating hot water heat supply loop is controlled by controlling the proportionality coefficient of the refrigerant flow in unit time of the first throttling element 11 and the refrigerant flow in unit time of the second throttling element 10, so that the distribution and regulation functions of heat are realized, and the heating rates of domestic hot water and heating hot water can be automatically regulated; the device can heat domestic hot water and heating hot water simultaneously, and can adjust heat energy output according to different requirements.
The three interfaces of the first three-way valve are respectively connected with the refrigerant outlet of the compressor 1, the refrigerant inlet of the heating hot water heat exchanger 3 and the refrigerant inlet of the domestic hot water heat exchanger 2, and the three interfaces of the second three-way valve are respectively communicated with the outlet of the heating hot water heat exchanger 3, the outlet of the domestic hot water heat exchanger 2 and the refrigerant inlet of the main heat exchanger 4; the first electric control valve 7 and the first throttling element 11 are both arranged on a pipeline between the first three-way valve and the domestic hot water heat exchanger 2 or a pipeline between the domestic hot water heat exchanger 2 and the second three-way valve, the second electric control valve 8 and the second throttling element 10 are arranged on a pipeline between the first three-way valve and the heating hot water heat exchanger 3 or a pipeline between the heating hot water heat exchanger 3 and the second three-way valve, preferably, the first electric control valve 7 is arranged between the first three-way valve and the domestic hot water heat exchanger 2, and the first throttling element 11 is arranged between the domestic hot water heat exchanger 2 and the second three-way valve; the second electric control valve 8 is disposed between the first three-way valve and the heating hot water heat exchanger 3, and the second throttling element 10 is disposed between the heating hot water heat exchanger 3 and the second three-way valve.
Further, the first electric control valve 7 and the second electric control valve 8 are both electromagnetic valves; the first throttling element 11 and the second throttling element 10 are both electronic expansion valves, the electromagnetic valve only has the functions of communicating and blocking pipelines, and the electronic expansion valves play the roles of expansion and throttling.
Further, the first temperature measuring device 12 and the second temperature measuring device 13 are both temperature sensors.
Further, the gas-liquid separator 5 is further included, the gas-liquid separator 5 is arranged on a pipeline between the main heat exchanger 4 and the compressor 1, and the gas-liquid separator 5 is used for separating gas and liquid media.
Further, the air conditioner further comprises a four-way valve 9, four interfaces of the four-way valve 9 are respectively connected and communicated with the main heat exchanger 4, the first three-way valve, the gas-liquid separator 5 and the compressor 1, the four-way valve 9 in the air conditioner is the four-way valve 9 in a conventional air conditioner, the internal connection mode is the same, and the four-way valve 9 is arranged to enable the air conditioner to have the refrigerating and heating functions.
Example two
The embodiment provides a method for regulating the heat energy output in the air source heat pump heating device in the first embodiment, which comprises the following steps:
firstly, the user presets the temperature of a water tank of the domestic hot water to be Ts1 and the temperature of the heating outlet water to be Ts2 in the controller 6; the first temperature detection device detects that the temperature of a water tank of the domestic hot water is Tw1 actually, and the second temperature detection device detects that the temperature of the heating hot water is Tw2 actually; presetting a starting return difference constant as a; presetting a first-order return difference constant as b1, a second-order return difference constant as b2, and b2> b 1; the first-order proportional coefficient of the corresponding preset electronic expansion valve is c1, and the second-order proportional coefficient c2, c2> c1> 1; the flow rate of the first throttling element 11 per unit time is EXV1, and the flow rate of the second throttling element 10 per unit time is EXV 2;
when the controller 6 detects that Ts1-Tw1 is more than or equal to a and Ts2-Tw2 is more than or equal to a, the system is started to operate, and the first electric control valve 7(SV1) and the second electric control valve 8(SV2) are opened: the working process comprises the following steps: the control system is started to operate, a first electric control valve 7(SV1) and a second electric control valve 8(SV2) are opened, a refrigerant passes through a four-way valve 9 from a compressor 1 and simultaneously enters a heating hot water heat exchanger 3 and a domestic hot water heat exchanger 2 for heat exchange, then two strands of refrigerant media respectively pass through a first throttling element 11(EXV1) and a second throttling element 10(EXV2) and enter a main heat exchanger 4, and after absorbing heat in the main heat exchanger 4, the refrigerant media pass through the four-way valve 9 and a gas-liquid separator 5 and return to the compressor 1;
moreover, the control system can further control the distribution amount of the refrigerant according to the demand degree of the user on the domestic hot water and the heating water, and the specific control flow is as follows:
1) when the temperature is higher than or equal to b2 (Ts1-Tw1) - (Ts2-Tw2), the hot water demand is considered to be far higher than the heating demand, and the EXV1 in the first throttling element 11 and the second throttling element 10 is controlled to be c2 EXV2, and the EXV1 can be freely adjusted;
2) when b2 is not less than (Ts1-Tw1) - (Ts2-Tw2) not less than b1, the hot water demand is considered to be slightly greater than the heating demand, and the EXV1 (c 1) EXV2 and the EXV1 in the first throttling element 11 and the second throttling element 10 are controlled to be freely adjustable;
3) when b1 ≧ l (Ts1-Tw1) - (Ts2-Tw2) | is determined that the hot water demand is approximately equal to the heating demand, EXV1 in the first throttling element 11 and the second throttling element 10 is controlled to be EXV2, and EXV1 and EXV2 are freely adjusted;
4) when b2 is more than or equal to (Ts2-Tw2) - (Ts1-Tw1) more than or equal to b1, the domestic hot water demand is considered to be slightly smaller than the heating hot water demand, and EXV2 (c 1) EXV1 and EXV2 in the first throttling element 11 and the second throttling element 10 are controlled to be freely adjusted;
5) when (Ts2-Tw2) - (Ts1-Tw1) ≥ b2, considering that the domestic hot water demand is far less than the heating hot water demand, and controlling EXV2 ═ c2 × EXV1 and EXV2 in the first throttling element 11 and the second throttling element 10 to be freely adjusted;
the system detects that Ts1-Tw1 is less than a, and Ts2-Tw2 is more than or equal to a, the system is started to operate, SV2 is turned on, SV1 is turned off, and the system only heats the heating hot water; the working process comprises the following steps: the control system is started to operate, a second electric control valve 8(SV2) is opened, a first electric control valve 7(SV1) is closed, refrigerant enters a heating hot water heat exchanger 3 from a compressor 1 through a four-way valve 9 to heat heating water, then passes through a second throttling element 10(EXV2), absorbs heat in a total heat exchanger 4, then passes through the four-way valve 9 and a gas-liquid separator 5, and returns to the compressor 1 for next circulation;
the system detects that Ts2-Tw2 is less than a, Ts1-Tw1 is more than or equal to a, the system is started to operate, SV1 is turned on, SV2 is turned off, and the system only heats domestic hot water; the working process comprises the following steps: the control system is started to operate, the first electric control valve 7 is opened (SV1), the second electric control valve 8 is closed (SV2), the refrigerant enters the domestic hot water heat exchanger 2 from the compressor 1 through the four-way valve 9 and heats the domestic hot water, then passes through the first throttling element 11(EXV1), absorbs heat in the total heat exchanger 4, and then passes through the four-way valve 9 and the gas-liquid separator 5 to return to the compressor 1 for next circulation.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. An air source heat pump heating device which characterized in that: the method comprises the following steps: the system comprises a compressor, a domestic hot water heat exchanger, a heating hot water heat exchanger, a main heat exchanger, a first throttling element, a second throttling element, a first electric control valve, a second electric control valve and a controller; the domestic hot water heat exchanger is used for heating domestic hot water, and the heating hot water heat exchanger is used for heating hot water;
the compressor, the domestic hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a first loop; the compressor, the heating hot water heat exchanger and the main heat exchanger are sequentially connected end to end through pipelines to form a second loop; the first electrically controlled valve and the first throttling element are arranged in a pipeline of the first circuit, the second electrically controlled valve and the second throttling element are arranged in a pipeline of the second circuit, and the first circuit and the second circuit share one compressor and one main heat exchanger; the first throttling element, the second throttling element, the first electric control valve and the second electric control valve are all electrically connected with the controller;
the temperature measuring device also comprises a first temperature measuring device and a second temperature measuring device; the first temperature measuring device is used for measuring the temperature of domestic hot water, the second temperature measuring device is used for measuring the temperature of heating hot water, and the first temperature measuring device and the second temperature measuring device are electrically connected with the controller.
2. The air-source heat pump heating apparatus according to claim 1, wherein: the three interfaces of the second three-way valve are respectively communicated with the outlet of the heating hot water heat exchanger, the outlet of the domestic hot water heat exchanger and the refrigerant inlet of the main heat exchanger;
the first electric control valve and the first throttling element are both arranged on a pipeline between the first three-way valve and the domestic hot water heat exchanger or a pipeline between the domestic hot water heat exchanger and the second three-way valve, and the second electric control valve and the second throttling element are arranged on a pipeline between the first three-way valve and the heating hot water heat exchanger or a pipeline between the heating hot water heat exchanger and the second three-way valve.
3. The air-source heat pump heating apparatus according to claim 1, wherein: the first electric control valve and the second electric control valve are both electromagnetic valves; the first throttling element and the second throttling element are both electronic expansion valves.
4. The air-source heat pump heating apparatus according to claim 1, wherein: the first temperature measuring device and the second temperature measuring device are both temperature sensors.
5. The air-source heat pump heating apparatus according to claim 2, characterized in that: the heat exchanger further comprises a gas-liquid separator, and the gas-liquid separator is arranged on a pipeline between the main heat exchanger and the compressor.
6. The air-source heat pump heating apparatus according to claim 5, wherein: the four interfaces of the four-way valve are respectively connected and communicated with the main heat exchanger, the first three-way valve, the gas-liquid separator and the compressor.
7. The air-source heat pump heating apparatus according to claim 1, wherein: the total heat exchanger is selected as a fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648985.6U CN212585053U (en) | 2020-08-10 | 2020-08-10 | Air source heat pump heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648985.6U CN212585053U (en) | 2020-08-10 | 2020-08-10 | Air source heat pump heating device |
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| Publication Number | Publication Date |
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| CN212585053U true CN212585053U (en) | 2021-02-23 |
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| CN202021648985.6U Active CN212585053U (en) | 2020-08-10 | 2020-08-10 | Air source heat pump heating device |
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| CN (1) | CN212585053U (en) |
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- 2020-08-10 CN CN202021648985.6U patent/CN212585053U/en active Active
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