CN-122015335-A - Heat pump system, control method thereof and electronic equipment

Abstract

The application discloses a heat pump system, a control method thereof and electronic equipment, wherein the heat pump system comprises a compressor, a hot water module, an outdoor side heat exchanger, a throttling element and an indoor unit which are arranged on the same refrigerant circulation loop, a first switch valve is arranged at an outlet of the compressor, a first expansion valve is arranged at a refrigerant outlet of the hot water module, the control method comprises the steps of receiving a mode switching instruction of the heat pump system, wherein the mode switching instruction comprises a first operation mode before the mode switching of the heat pump system and a second operation mode after the mode switching of the heat pump system, judging whether the first operation mode or the second operation mode is a pure life hot water mode, and if so, controlling the first switch valve to act and controlling the first expansion valve to adjust the opening according to the second operation mode so as to enable the heat pump system to be switched from the first operation mode to the second operation mode. The application at least can solve the problems of complex control logic and lower operation stability when the heat pump system is started.

Inventors

• Cai Shuangjin
• HUANG ZHIGUANG

Assignees

• 深圳市欧瑞博科技股份有限公司

Dates

Publication Date

20260512

Application Date

20260107

Claims (10)

1. 1. A heat pump system control method, characterized in that the heat pump system includes a compressor (10), a hot water module (20), an outdoor side heat exchanger (30), a throttle element, and an indoor unit (50) disposed on the same refrigerant circulation circuit, an outlet of the compressor (10) is provided with a first switch valve (60), a refrigerant outlet (22) of the hot water module (20) is provided with a first expansion valve (70), the control method includes: Receiving a mode switching instruction of the heat pump system, wherein the mode switching instruction comprises a first operation mode before the mode switching of the heat pump system and a second operation mode after the mode switching of the heat pump system; judging whether the first operation mode or the second operation mode is a pure life hot water mode; If yes, the first switch valve (60) is controlled to act, and the first expansion valve (70) is controlled to adjust the opening degree according to the second operation mode, so that the heat pump system is switched from the first operation mode to the second operation mode.
2. 2. The heat pump system control method according to claim 1, characterized in that the control method comprises: when the first operation mode or the second operation mode is a pure life hot water mode, controlling the heat pump system to be shut down; And restarting the heat pump system based on the second operation mode, controlling the first switch valve (60) to act and adjusting the opening degree of the first expansion valve (70) so as to enable the heat pump system to be switched from the first operation mode to the second operation mode.
3. 3. The heat pump system control method according to claim 1 or 2, characterized in that the control method includes: The first switch valve (60) is controlled to be opened when the first operation mode is a pure life hot water mode and the second operation mode is a non-pure life hot water mode, and/or The first switch valve (60) is controlled to be closed when the first operation mode is a non-pure life hot water mode and the second operation mode is a pure life hot water mode.
4. 4. A heat pump system control method according to claim 3, characterized in that the control method comprises: When the first operation mode is a pure life hot water mode and the second operation mode is a heating and life hot water mode, the heat pump system is controlled to be powered off; And controlling the first switch valve (60) to switch from closed to open, detecting whether the water tank type fault exists in the hot water module (20), if yes, controlling the heat pump system to start up and operate in a pure heating mode, if not, controlling the first expansion valve (70) to be adjusted to an initial opening degree based on the heating and domestic hot water mode, and controlling the first expansion valve (70) to start timing and adjusting the opening degree so as to switch the heat pump system from the pure domestic hot water mode to the heating and domestic hot water mode.
5. 5. A heat pump system control method according to claim 3, characterized in that the control method comprises: When the first operation mode is a heating and domestic hot water mode and the second operation mode is a pure domestic hot water mode, the heat pump system is controlled to be powered off; and detecting whether the water tank type fault exists in the hot water module (20), if yes, stopping starting the heat pump system, and if not, controlling the first switch valve (60) to switch from on to off based on the pure life hot water mode and adjusting the opening degree of the first expansion valve (70) so as to switch the heat pump system from the heating and life hot water mode to the pure life hot water mode for operation.
6. 6. The heat pump system control method according to claim 1, characterized in that the control method further comprises: When the first operation mode is a pure refrigeration mode and the second operation mode is a refrigeration and domestic hot water mode, the first switch valve (60) is controlled to be kept open, the first expansion valve (70) is controlled to be adjusted to an initial opening degree based on the refrigeration and domestic hot water mode, the first expansion valve (70) is controlled to start timing and the opening degree is controlled to be adjusted, so that the heat pump system is switched from the pure refrigeration mode to the refrigeration and domestic hot water mode operation, and/or, When the first operation mode is a refrigeration and domestic hot water mode and the second operation mode is a pure refrigeration mode, the first switch valve (60) is controlled to be kept open, and the first expansion valve (70) is controlled to be adjusted to a first target opening degree based on the pure refrigeration mode so that the heat pump system is switched from the refrigeration and domestic hot water mode to the pure refrigeration mode for operation.
7. 7. The heat pump system control method according to claim 1, characterized in that the control method further comprises: When the first operation mode is a pure heating mode and the second operation mode is a heating and domestic hot water mode, the first switch valve (60) is controlled to be kept open, the first expansion valve (70) is controlled to be adjusted to an initial opening degree based on the heating and domestic hot water mode, the first expansion valve (70) is controlled to start timing and the opening degree is controlled to be adjusted, so that the heat pump system is switched from the pure heating mode to the heating and domestic hot water mode operation, and/or, When the first operation mode is a heating and domestic hot water mode and the second operation mode is a pure heating mode, the first switch valve (60) is controlled to be kept open, the first expansion valve (70) is controlled to be adjusted to a second target opening degree based on the pure heating mode, and temperature adjustment is carried out according to the water temperature of the hot water module (20), so that the heat pump system is switched from the heating and domestic hot water mode to the pure heating mode for operation.
8. 8. The heat pump system control method according to claim 1, characterized in that the control method further comprises: When the heat pump system is in a refrigeration and hot water mode, judging whether all indoor units (50) started up enter a temperature reaching state, wherein the temperature reaching state indicates that the indoor temperature detected by the indoor units (50) reaches a refrigeration target temperature and lasts for a preset time period; If yes, judging that the hot water capacity requirement of the heat pump system is met, and controlling the heat pump system to be switched from the refrigeration and hot water mode to the pure refrigeration mode.
9. 9. A heat pump system comprising a compressor (10), a hot water module (20), an outdoor side heat exchanger (30), a throttle element and an indoor unit (50) arranged on the same refrigerant circulation circuit, characterized in that an outlet of the compressor (10) is provided with a first switch valve (60), a refrigerant outlet of the hot water module (20) is provided with a first expansion valve (70), the heat pump system further comprising a controller for executing the heat pump system control method according to any one of claims 1 to 8.
10. 10. An electronic device (300) comprising a memory (301) and a processor (303), wherein, -Said memory (301) is for storing a computer program; The processor (303) is configured to execute the computer program to implement the heat pump system control method according to any one of claims 1 to 8.

Description

Heat pump system, control method thereof and electronic equipment Technical Field The application relates to the technical field of air conditioner control, in particular to a heat pump system, a control method thereof, electronic equipment and an electronic device. Background In the related art, the triple co-generation multi-split heat pump system integrates the functions of air conditioning, ground heating and water heating, and when in actual use, the more modes the heat pump system can operate, the more complicated the structure of the heat pump system is, so that the control logic is more complicated when the modes are switched, the operation stability of the heat pump system is lower, and the user experience and the reliability of the heat pump system are affected. Disclosure of Invention The application mainly aims to provide a heat pump system, a control method thereof and electronic equipment, so as to solve the problems of complex control logic and lower operation stability in the starting of the heat pump system in the prior art. According to an aspect of the present application, there is provided a heat pump system control method including a compressor, a hot water module, an outdoor side heat exchanger, a throttling element, and an indoor unit provided on the same refrigerant circulation circuit, an outlet of the compressor being provided with a first switching valve, a refrigerant outlet of the hot water module being provided with a first expansion valve, the control method including: Receiving a mode switching instruction of the heat pump system, wherein the mode switching instruction comprises a first operation mode before the mode switching of the heat pump system and a second operation mode after the mode switching of the heat pump system; judging whether the first operation mode or the second operation mode is a pure life hot water mode; If yes, controlling the first switch valve to act, and controlling the first expansion valve to adjust the opening according to the second operation mode, so that the heat pump system is switched from the first operation mode to the second operation mode. In one embodiment, the control method includes: when the first operation mode or the second operation mode is a pure life hot water mode, controlling the heat pump system to be shut down; And restarting the heat pump system based on the second operation mode, controlling the first switching valve to act and adjusting the opening degree of the first expansion valve so as to enable the heat pump system to be switched from the first operation mode to the second operation mode. In one embodiment, the control method includes: when the first operation mode is a pure life hot water mode and the second operation mode is a non-pure life hot water mode, the first switch valve is controlled to be opened and/or And when the first operation mode is a non-pure life hot water mode and the second operation mode is a pure life hot water mode, the first switch valve is controlled to be closed. In one embodiment, the control method includes: When the first operation mode is a pure life hot water mode and the second operation mode is a heating and life hot water mode, the heat pump system is controlled to be powered off; And controlling the first switch valve to switch from closed to open, detecting whether the water tank type fault exists in the hot water module, if yes, controlling the heat pump system to start up and operate in a pure heating mode, if not, controlling the first expansion valve to adjust to an initial opening based on the heating and domestic hot water mode, and controlling the first expansion valve to start timing and adjusting the opening so as to enable the heat pump system to switch from the pure domestic hot water mode to the heating and domestic hot water mode. In one embodiment, the control method includes: When the first operation mode is a heating and domestic hot water mode and the second operation mode is a pure domestic hot water mode, the heat pump system is controlled to be powered off; and detecting whether the water tank type fault exists in the hot water module, if so, stopping starting the heat pump system, and if not, controlling the first switching valve to switch from on to off and adjusting the opening of the first expansion valve based on the pure life hot water mode, so that the heat pump system is switched from the heating and life hot water mode to the pure life hot water mode for operation. In one embodiment, the control method further includes: When the first operation mode is a pure refrigeration mode and the second operation mode is a refrigeration and domestic hot water mode, the first switch valve is controlled to be kept open, the first expansion valve is controlled to be adjusted to an initial opening degree based on the refrigeration and domestic hot water mode, the first expansion valve is controlled to start timing and the opening degree is controlled to be adjusted,