CN-224230374-U - Heat pump system

Abstract

The disclosure relates to a heat pump system comprising a supply device (1) configured to provide a medium to be heated, a storage device (2) configured to store the heated medium, and one or more heat pump modules (3) connected to the supply device (1) and the storage device (2), respectively, configured to heat the medium provided from the supply device (1), the number of heat pump modules (3) being a ratio of a user thermal power demand to a thermal output power of each of the heat pump modules (3), wherein each of the heat pump modules (3) comprises a compressor (31), a condenser (32), a throttling element (33) and an evaporation assembly comprising an evaporator (34) and a photovoltaic photo-thermal assembly (35) connected in parallel.

Inventors

• DONG MINGZHU
• LI WEIJIN
• HUANG MENG
• HUANG ZHENYU
• CHEN JINQI

Assignees

• 珠海格力电器股份有限公司

Dates

Publication Date

20260512

Application Date

20250425

Claims (10)

1. 1. A heat pump system, comprising: A supply device (1) configured to supply a medium to be heated; a storage device (2) configured to store the heated medium, and -One or more heat pump modules (3) connected to the supply device (1) and the storage device (2), respectively, configured to heat a medium supplied from the supply device (1), the number of heat pump modules (3) being the ratio of the user thermal power demand to the thermal output power of each of the heat pump modules (3); Each heat pump module (3) comprises a compressor (31), a condenser (32), a throttling element (33) and an evaporation assembly which are sequentially connected, wherein the evaporation assembly comprises an evaporator (34) and a photovoltaic photo-thermal assembly (35) which are connected in parallel.
2. 2. The heat pump system according to claim 1, characterized in that the number of photovoltaic photo-thermal modules (35) in each heat pump module (3) is one or more; The quantity of the photovoltaic photo-thermal assemblies (35) in each heat pump module (3) is the ratio of the total required heat exchange power of the photovoltaic photo-thermal assemblies (35) to the heat exchange quantity of each photovoltaic photo-thermal assembly (35), and the total required heat exchange power of the photovoltaic photo-thermal assemblies (35) is the difference value between the heat output power of each heat pump module (3) and the power of the compressor (31).
3. 3. The heat pump system of claim 1 or 2, wherein the medium is a liquid, and wherein the heat pump system further comprises: And a liquid level sensor (4) provided in the storage device (2) and configured to acquire liquid level information in the storage device (2).
4. 4. A heat pump system as in claim 3, further comprising: A first valve (61) arranged between the throttling element (33) and the evaporator (34) and configured to switch the on/off of a pipeline between the throttling element (33) and the evaporator (34), and And a second valve (62) which is arranged between the throttling element (33) and the photovoltaic photo-thermal assembly (35) and is configured to switch on and off a pipeline between the throttling element (33) and the photovoltaic photo-thermal assembly (35).
5. 5. A heat pump system according to claim 3, characterized in that the condenser (32) of each heat pump module (3) is connected in parallel with the storage device (2) and the supply device (1), respectively; The heat pump system further comprises one or more third valves (63), wherein the third valves (63) are arranged between the supply device (1) and the condenser (32) and are configured to switch the on-off of a supply pipeline.
6. 6. The heat pump system of claim 5, further comprising: And a temperature sensor (7) provided in a return water line between the heat pump module (3) and the storage device (2) and configured to obtain a return water temperature of the liquid transported to the storage device (2).
7. 7. The heat pump system according to claim 4, wherein the first valve (61) and the second valve (62) are fluorine solenoid valves.
8. 8. The heat pump system of claim 5, wherein the third valve (63) is a hydro-electrical valve.
9. 9. Heat pump system according to claim 1, characterized in that the heat pump module (3) has a first connection for the line connection with the supply device (1) and a second connection for the line connection with the storage device (2).
10. 10. A heat pump system according to claim 1, wherein the throttling element (33) is an electronic expansion valve.

Description

Heat pump system Technical Field The disclosure relates to the technical field of heat pumps, and in particular relates to a heat pump system. Background The heat energy can be generated in the operation process of the photovoltaic module, the waste heat generated by the photovoltaic module is utilized to drive the heat pump to heat, the solar energy can be efficiently utilized, the heat dissipation of the photovoltaic module is facilitated, and the power generation efficiency is maintained. In order to achieve the best heat pump performance, the photovoltaic photo-thermal heat pump in the related art needs to perform engineering operation design on different heat pump systems, however, in the practical engineering operation of the photovoltaic photo-thermal heat pump, the thermal power requirement of the customer is not fixed, and if the photovoltaic photo-thermal heat pump system product is designed for each customer individually, a great deal of time and effort of company research personnel are consumed. Disclosure of utility model In view of this, the embodiments of the present disclosure provide a heat pump system, which can flexibly meet the diversified demands of users and reduce the design cost. In one aspect of the present disclosure, there is provided a heat pump system comprising: A supply device configured to supply a medium to be heated; A storage device configured to store the heated medium, and One or more heat pump modules, each heat pump module being connected to the supply and the storage device and configured to heat a medium supplied from the supply, the number of heat pump modules being a ratio of a user thermal power demand to a thermal output power of each heat pump module; Each heat pump module comprises a compressor, a condenser, a throttling element and an evaporation assembly which are sequentially connected, wherein the evaporation assembly comprises an evaporator and a photovoltaic photo-thermal assembly which are connected in parallel. In some embodiments, the number of photovoltaic photo-thermal components in each heat pump module is one or more; The quantity of the photovoltaic photo-thermal components in each heat pump module is the ratio of the total required heat exchange power of the photovoltaic photo-thermal components to the heat exchange quantity of each photovoltaic photo-thermal component, and the total required heat exchange power of the photovoltaic photo-thermal components is the difference value of the heat output power of each heat pump module and the power of the compressor. In some embodiments, the medium is a liquid, and the heat pump system further comprises: the liquid level sensor is arranged on the storage device and is configured to acquire liquid level information in the storage device. In some embodiments, the heat pump system further comprises: A first valve arranged between the throttling element and the evaporator and configured to switch the on-off of a pipeline between the throttling element and the evaporator, and And the second valve is arranged between the throttling element and the photovoltaic photo-thermal assembly and is configured to switch on and off of a pipeline between the throttling element and the photovoltaic photo-thermal assembly. In some embodiments, the condenser of each heat pump module is connected in parallel with the storage device and the supply device, respectively; The heat pump system further comprises one or more third valves, wherein the third valves are arranged between the supply device and the condenser and are configured to switch on and off of the supply pipeline. In some embodiments, the heat pump system further comprises: And the temperature sensor is arranged on the water return pipeline between the heat pump module and the storage device and is configured to acquire the water return temperature of the liquid conveyed to the storage device. In some embodiments, the first valve and the second valve are fluorine solenoid valves. In some embodiments, the third valve is a hydro-electrical valve. In some embodiments, the heat pump module has a first interface for connection with the supply line and a second interface for connection with the storage line. Therefore, according to the embodiment of the disclosure, the heat pump system is divided into one or more heat pump modules, and the diversified thermal power requirements of consumers can be flexibly met by coordinating the number of the heat pump modules, so that a photovoltaic photo-thermal heat pump system product does not need to be designed for each customer individually, and the design development cost is reduced. Drawings The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure. The disclosure may be more clearly understood from the following detailed description taken in conjunction with the