CN-224215588-U - Heat pump system
Abstract
The utility model discloses a heat pump system, which is provided with a heat storage device, wherein the heat storage device is connected with a second outdoor pipeline of an outdoor heat exchanger through a second circulating device, the heat storage device can exchange energy with the outdoor heat exchanger and store heat released by the outdoor heat exchanger, and the heat storage device is connected with a first water tank through a third circulating device and can exchange heat with the first water tank, so that the heat recovery and utilization of the outdoor heat exchanger are realized through the heat storage device.
Inventors
- ZHAO YUBIN
- LI DONGZHE
- WANG MING
Assignees
- 青岛海信日立空调系统有限公司
Dates
- Publication Date
- 20260508
- Application Date
- 20250421
Claims (10)
- 1. A heat pump system, comprising: The refrigerant circulation system comprises a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and a first heat exchanger; a first water tank; a heat storage device; It is characterized in that the method comprises the steps of, The outdoor heat exchanger comprises a first outdoor pipeline and a second outdoor pipeline, and the first outdoor pipeline is connected with a refrigerant circulation system; The first heat exchanger comprises a first pipeline and a second pipeline, and the first pipeline is connected with a refrigerant circulation system; The heat pump system includes: The first water tank is connected with a second pipeline through the first circulating device; The heat storage device is connected with a second outdoor pipeline through the second circulating device; And the heat storage device is connected with the first water tank through the third circulating device.
- 2. The heat pump system of claim 1, wherein, When the four-way valve is in a first conduction state, the first heat exchanger heats and the outdoor heat exchanger refrigerates; When the four-way valve is in a second conduction state, the first heat exchanger is used for refrigerating, the outdoor heat exchanger is used for heating, when the second circulation device works, the heat of the outdoor heat exchanger is transferred to the heat storage device, and when the third circulation device works, the heat of the heat storage device is transferred to the first water tank.
- 3. A heat pump system according to claim 2, wherein, And switching the four-way valve to be in a second conduction state and/or operating the second circulating device to defrost the outdoor heat exchanger.
- 4. A heat pump system according to claim 3, wherein heat from the first water tank is transferred to the heat storage means when the third circulation means is in operation.
- 5. A heat pump system according to claim 3, wherein the outdoor heat exchanger is provided with an outdoor fan.
- 6. The heat pump system according to any one of claims 1-5, characterized in that the heat pump system comprises: the second water tank is connected with a second pipeline through a fourth circulating device.
- 7. The heat pump system of claim 6, wherein, A first switch device is arranged between the first water tank and the second pipeline; a second switching device is arranged between the second water tank and the second pipeline.
- 8. The heat pump system of claim 7, wherein the first water tank is connected to a first branch pipe, and the first switching device is located in the first branch pipe; The second water tank is connected with a second branch pipe, and the second switching device is positioned on the second branch pipe; the second pipeline is connected with a main pipe, the first branch pipe and the second branch pipe are both connected with the main pipe, and the main pipe is provided with a third switching device.
- 9. The heat pump system of claim 8, wherein the first and/or fourth circulation devices operate to transfer heat between the second and first water tanks when the first and second switch devices are on and the third switch device is off.
- 10. The heat pump system of claim 6, wherein the first tank is a domestic hot water tank and the second tank is a buffer tank.
Description
Heat pump system Technical Field The utility model relates to the technical field of heat pump systems, in particular to a heat pump system with a heat storage function. Background The heat pump system comprises a refrigerant circulation system consisting of a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and an indoor heat exchanger. The outdoor heat exchanger is provided with an outdoor fan, and the outdoor fan is used for adjusting the temperature of the outdoor heat exchanger. When the heat pump system heats, the outdoor heat exchanger cools through air cooling, and heat generated by the outdoor heat exchanger is wasted by blowing in air. The prior art fails to effectively utilize the heat released by the outdoor heat exchanger, and has the technical problem of energy waste. The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The utility model provides a heat pump system, which solves the technical problem of heat waste generated by an outdoor heat exchanger of the existing heat pump system. In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme: A heat pump system, comprising: The refrigerant circulation system comprises a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and a first heat exchanger; a first water tank; a heat storage device; The outdoor heat exchanger comprises a first outdoor pipeline and a second outdoor pipeline, and the first outdoor pipeline is connected with a refrigerant circulation system; The first heat exchanger comprises a first pipeline and a second pipeline, and the first pipeline is connected with a refrigerant circulation system; The heat pump system includes: The first water tank is connected with a second pipeline through the first circulating device; The heat storage device is connected with a second outdoor pipeline through the second circulating device; And the heat storage device is connected with the first water tank through the third circulating device. The heat pump system has the advantages that the heat storage device is added, the heat storage device is connected with the second outdoor pipeline of the outdoor heat exchanger through the second circulating device, the heat storage device can exchange energy with the outdoor heat exchanger and store heat released by the outdoor heat exchanger, the heat storage device is connected with the first water tank through the third circulating device, the heat storage device can exchange heat with the first water tank, and defrosting heat can be provided for the outdoor heat exchanger by the heat storage device, so that heat recycling of the outdoor heat exchanger is realized through the heat storage device. In some embodiments, when the four-way valve is in a first conduction state, the first heat exchanger heats and the outdoor heat exchanger refrigerates; When the four-way valve is in a second conduction state, the first heat exchanger is used for refrigerating, the outdoor heat exchanger is used for heating, when the second circulation device works, the heat of the outdoor heat exchanger is transferred to the heat storage device, and when the third circulation device works, the heat of the heat storage device is transferred to the first water tank. The heat pump system has the advantages that the heat storage device collects and stores heat generated by the outdoor heat exchanger and heats the first water tank when in a refrigeration state, and the heat generated by the first heat exchanger heats the first water tank when in a heating state. In some embodiments, the four-way valve is switched to be in a second conductive state and/or the second circulation device is operated to defrost the outdoor heat exchanger. The technical scheme has the advantages that the outdoor heat exchanger can be defrosted by heat stored by the heat pump system and/or the heat storage device, and adverse effects of the defrosting process on heating of the heat pump system can be reduced by defrosting the outdoor heat exchanger by the heat stored by the heat storage device. When defrosting is carried out in two modes simultaneously, the defrosting efficiency can be improved, and the defrosting time is shortened. In some embodiments, when the third circulation device is in operation, heat from the first water tank is transferred to the heat storage device. The technical scheme has the advantages that the heat of the first water tank can be transferred to the heat storage device during defrosting, so that the heat of the heat storage device is improved. In some embodiments, the outdoor heat exchanger is configured with an outdoor fan. The technical scheme has the advantage that the heat transfer of t