CN-121993937-A - Heat pump control method, device, equipment and storage medium based on iteration

CN121993937ACN 121993937 ACN121993937 ACN 121993937ACN-121993937-A

Abstract

The application relates to the technical field of heat pump control, and discloses a heat pump control method, device, equipment and storage medium based on iteration, which are used for shortening the self-adaptive adjustment time of a heat pump and avoiding low comprehensive energy efficiency of the heat pump caused by overlong self-adaptive adjustment stage under a frequent start-stop scene. The heat pump control method based on iteration comprises the steps of obtaining a plurality of current heat pump working condition parameters when a heat pump is in a starting stage, determining whether a first optimal operation record corresponding to a first target heat pump working condition interval is stored in a preset heat pump performance monitoring table according to the plurality of current heat pump working condition parameters to obtain a judging result, determining starting parameter values corresponding to each heat pump control parameter according to the judging result, and controlling the heat pump to operate according to the starting parameter values corresponding to each heat pump control parameter.

Inventors

JIANG HAO
Liang Zonghuo
LEI PENGFEI
ZHANG LI
LIU ZHILI

Assignees

广东芬尼克兹节能设备有限公司

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (10)

1. An iteration-based heat pump control method, characterized in that the iteration-based heat pump control method comprises: when the heat pump is in a starting stage, acquiring a plurality of current heat pump working condition parameters; Determining whether a first optimal operation record corresponding to a first target heat pump working condition interval is stored in a preset heat pump performance monitoring table according to the plurality of current heat pump working condition parameters to obtain a judging result, wherein the first optimal operation record comprises historical maximum conversion efficiency and historical parameter values of various heat pump control parameters when the heat pump is in the first target heat pump working condition interval in a historical operation process; Determining a starting parameter value corresponding to each heat pump control parameter according to the judging result; And controlling the heat pump to run according to the starting parameter value corresponding to each heat pump control parameter.
2. The iteration-based heat pump control method according to claim 1, further comprising, after the heat pump operation is controlled according to the start parameter value corresponding to each heat pump control parameter: And when the heat pump is in the self-adaptive regulation stage, if a load ratio limiting instruction is received, determining an optimal output load ratio, and controlling the compressor frequency of the heat pump according to the optimal output load ratio.
3. The iteration-based heat pump control method according to claim 2, applied to a heat pump centralized control system comprising a plurality of heat pumps; said determining an optimal output load ratio comprising: determining a centralized control conversion rate reference value according to the historical maximum conversion efficiency corresponding to each heat pump, and obtaining a target operation frequency interval corresponding to the centralized control conversion rate reference value; And determining the ratio of the optimal frequency point and the maximum limiting frequency of the target operation frequency interval as the optimal output load ratio.
4. The iteration-based heat pump control method according to claim 1, wherein determining a start parameter value corresponding to each heat pump control parameter according to the determination result includes: If the judging result is that the first historical optimal operation record is stored, determining a historical parameter value corresponding to each heat pump control parameter in the first historical optimal operation record as a starting parameter value of the heat pump; and if the judging result is that the first historical optimal operation record is not stored, determining a default parameter value corresponding to each heat pump control parameter as a starting parameter value of the heat pump.
5. The iteration-based heat pump control method according to claim 1, further comprising, after the heat pump operation is controlled according to the start parameter value corresponding to each heat pump control parameter: and carrying out iterative updating on the heat pump performance monitoring table according to the actual operation data of the heat pump.
6. The iteration-based heat pump control method according to claim 1, further comprising, after the heat pump operation is controlled according to the start parameter value corresponding to each heat pump control parameter: When the heat pump is in the self-adaptive adjusting stage, judging whether the real-time parameter value of each heat pump control parameter exceeds a deviation threshold corresponding to the target optimal operation record or not; if yes, adjusting the heat pump according to the historical parameter value corresponding to each heat pump control parameter in the target optimal operation record, and then adaptively adjusting each heat pump control parameter; and if not, carrying out self-adaptive adjustment on each heat pump control parameter.
7. The iteration-based heat pump control method according to claim 1, further comprising, after the heat pump operation is controlled according to the start parameter value corresponding to each heat pump control parameter: Judging whether a second historical optimal operation record corresponding to a second target heat pump working condition interval is stored in the heat pump performance monitoring table when the current heat pump working condition interval changes; If the second historical optimal operation record is stored, adjusting the heat pump according to the historical parameter value of each heat pump control parameter in the second historical optimal operation record, and then performing self-adaptive adjustment on each heat pump control parameter; And if the second historical optimal operation record is not stored or the current heat pump working condition interval is unchanged, carrying out self-adaptive adjustment on each heat pump control parameter.
8. An iteration-based heat pump control device, characterized in that it comprises: The acquisition module is used for acquiring a plurality of current heat pump working condition parameters when the heat pump is in a starting stage; The judging module is used for determining whether a first optimal operation record corresponding to a first target heat pump working condition interval is stored in a preset heat pump performance monitoring table according to the plurality of current heat pump working condition parameters to obtain a judging result, wherein the first optimal operation record comprises historical maximum conversion efficiency and historical parameter values of various heat pump control parameters when the heat pump is in the first target heat pump working condition interval in a historical operation process; The determining module is used for determining starting parameter values corresponding to each heat pump control parameter according to the judging result; And the initialization module is used for controlling the heat pump to run according to the starting parameter value corresponding to each heat pump control parameter.
9. An iteration-based heat pump control device, comprising a memory and at least one processor, the memory having instructions stored therein; The at least one processor invoking the instructions in the memory to cause the iteration-based heat pump control apparatus to perform the iteration-based heat pump control method of any one of claims 1-7.
10. A computer readable storage medium having instructions stored thereon, which when read and executed perform the iteration-based heat pump control method according to any of claims 1-7.

Description

Heat pump control method, device, equipment and storage medium based on iteration Technical Field The present application relates to the field of heat pump control technologies, and in particular, to a heat pump control method, apparatus, device, and storage medium based on iteration. Background A heat pump is a device that converts electrical energy into thermal energy using an inverse carnot cycle, the conversion efficiency in heating mode is typically expressed in terms of a coefficient of performance (Coefficient Of Performance, COP), and the conversion efficiency in cooling mode is typically expressed in terms of an energy efficiency Ratio (ENERGY EFFICIENCY Ratio, EER). One heating cycle of the heat pump includes a start-up process, an initialization process, an adaptive regulation process, a steady-state process, and a shutdown process. In the low season of use, the heat pump is often stopped and started for a plurality of times because of excessive capacity, and the constant-temperature stopping condition is easier to achieve, while in the conventional heat pump starting and initializing process, the fixed starting parameters are usually used as initial states, so that the heat pump slowly achieves the optimal state in the self-adaptive adjusting process. The traditional heat pump control method starts by fixed starting parameters, but optimal state parameters under various complex heat pump working conditions are often different, so that when the heat pump starts and initializes by the fixed starting parameters, the heat pump needs to perform self-adaptive adjustment for a long time to reach a steady state, the conversion efficiency of the heat pump in the self-adaptive adjustment process is always in a lower interval, and the comprehensive energy efficiency of the heat pump is reduced under a frequent start-stop scene. Disclosure of Invention The application provides a heat pump control method, a device, equipment and a storage medium based on iteration, which are used for solving the problems that the traditional heat pump initialization with fixed starting parameters takes too long time in the self-adaptive adjustment process, the conversion efficiency of the heat pump in the self-adaptive adjustment process is low, and the comprehensive energy efficiency of the heat pump is low under the frequent start-stop scene. The first aspect of the application provides an iteration-based heat pump control method, which comprises the steps of obtaining a plurality of current heat pump working condition parameters when a heat pump is in a starting stage; Determining whether a first optimal operation record corresponding to a first target heat pump working condition interval is stored in a preset heat pump performance monitoring table according to the plurality of current heat pump working condition parameters to obtain a judging result, wherein the first optimal operation record comprises historical maximum conversion efficiency and historical parameter values of various heat pump control parameters when the heat pump is in the first target heat pump working condition interval in a historical operation process; Determining a starting parameter value corresponding to each heat pump control parameter according to the judging result; And controlling the heat pump to run according to the starting parameter value corresponding to each heat pump control parameter. The application provides a heat pump control device based on iteration, which comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring a plurality of current heat pump working condition parameters when a heat pump is in a starting stage; The judging module is used for determining whether a first optimal operation record corresponding to a first target heat pump working condition interval is stored in a preset heat pump performance monitoring table according to the plurality of current heat pump working condition parameters to obtain a judging result, wherein the first optimal operation record comprises historical maximum conversion efficiency and historical parameter values of various heat pump control parameters when the heat pump is in the first target heat pump working condition interval in a historical operation process; The determining module is used for determining starting parameter values corresponding to each heat pump control parameter according to the judging result; And the initialization module is used for controlling the heat pump to run according to the starting parameter value corresponding to each heat pump control parameter. The third aspect of the application provides an iteration-based heat pump control device, comprising a memory and at least one processor, wherein the memory stores instructions, and the at least one processor calls the instructions in the memory to enable the iteration-based heat pump control device to execute the iteration-based heat pump control