CN-120889735-B - Variable-frequency speed regulation and energy efficiency optimization integrated system of new energy automobile air conditioner compressor

CN120889735BCN 120889735 BCN120889735 BCN 120889735BCN-120889735-B

Abstract

The invention relates to the technical field of new energy automobile air conditioners, and discloses a new energy automobile air conditioner compressor variable frequency speed regulation and energy efficiency optimization integrated system, which comprises a data sensing module, a control module and a control module, wherein the data sensing module is used for determining the running state stability of a compressor based on the fluctuation quantity of rotating speed; the system comprises a strategy generation module, a parameter regulation and control module, an energy efficiency evaluation module, a system correction module and a system correction module, wherein the strategy generation module is used for determining a speed regulation control strategy based on stability and determining the association relation between the rotating speed and the power, the parameter regulation and control module is used for determining an energy efficiency optimization value judgment mode based on the speed regulation strategy according to the power consumption rate and determining the coincidence of the energy efficiency optimization value according to the response delay amount, the energy efficiency evaluation module is used for determining the coincidence of the rotating speed and the power according to the energy efficiency conversion ratio based on the speed regulation strategy, and the system correction module is used for correcting when the energy efficiency optimization value or the rotating speed and the power are not coincident. The system realizes the optimization of variable frequency speed regulation and energy efficiency of the compressor, improves the running stability, the refrigeration requirement matching degree and the energy efficiency level, reduces the energy consumption and plays an important role in prolonging the endurance mileage of the new energy automobile.

Inventors

HUANG XIAOLAN
LOU JIANGFENG
Lin Pinxin
YANG YANG
Gan Jiechao
XU TAOTAO
Song Zehang
YANG HUA

Assignees

浙江威乐新能源压缩机有限公司
加西贝拉压缩机有限公司

Dates

Publication Date: 20260508
Application Date: 20250814

Claims (10)

1. The utility model provides a new energy automobile air conditioner compressor variable frequency speed governing and energy efficiency optimize integrated system which characterized in that includes: the data sensing module is used for determining the stability of the running state of the compressor based on the fluctuation quantity of the rotating speed; The strategy generation module is connected with the data perception module and is used for determining a speed regulation control strategy based on the stability of the running state of the compressor and determining the association relation between the rotating speed and the power according to the refrigeration demand matching degree under the corresponding speed regulation control strategy; The parameter regulation and control module is connected with the strategy generation module and is used for determining the judging mode of the energy efficiency optimization value according to the power consumption rate under the condition of the corresponding speed regulation control strategy and determining the coincidence of the energy efficiency optimization value according to the response delay amount in the regulation process; the energy efficiency evaluation module is connected with the parameter regulation and control module and is used for determining the consistency of the rotating speed and the power according to the energy efficiency conversion ratio of each working point under the condition of corresponding speed regulation and control strategy; the system correction module is connected with the parameter regulation and control module and the energy efficiency evaluation module and is used for determining a lifting optimization value according to the difference value of the preset response delay amount and the actual response delay amount under the condition that the energy efficiency optimization value is not in accordance, determining the lifting optimization value according to the difference value of the preset response delay amount and the actual response delay amount under the condition that the energy efficiency optimization value is not in accordance, or determining the reduction power according to the difference degree of the energy efficiency conversion ratio and the preset conversion ratio.
2. The integrated system for variable frequency speed regulation and energy efficiency optimization of the air conditioner compressor of the new energy automobile according to claim 1, wherein the strategy generation module determines that the running state of the compressor is stable based on a comparison result that the fluctuation amount of the rotating speed is smaller than the preset fluctuation amount, determines that the higher the rotating speed is, the lower the power is under the continuous speed regulation control strategy based on a comparison result that the matching degree of the refrigerating demand is larger than or equal to the preset matching degree, and determines an energy efficiency optimization value according to a comparison result of the power consumption rate and the preset consumption rate.
3. The integrated system for variable frequency speed regulation and energy efficiency optimization of the air conditioner compressor of the new energy automobile according to claim 1, wherein the strategy generation module determines that the running state of the compressor is unstable based on a comparison result that the fluctuation amount of the rotating speed is larger than or equal to a preset fluctuation amount, determines that the higher the rotating speed is under the sectional speed regulation control strategy, the higher the power is based on a comparison result that the matching degree of the refrigerating demand is larger than or equal to a preset matching degree, and determines an energy efficiency optimization value according to a comparison result of the power consumption rate and the preset consumption rate.
4. The integrated system for variable frequency speed regulation and energy efficiency optimization of the air conditioner compressor of the new energy automobile according to claim 3, wherein the parameter regulation and control module determines that the energy efficiency optimization value is not in accordance with a comparison result of a response delay amount being greater than or equal to a preset delay amount under the condition of determining the energy efficiency optimization value, and determines to increase the optimization value by a first preset optimization adjustment coefficient according to a comparison result of a difference value of the preset response delay amount and an actual response delay amount being less than or equal to a preset deviation.
5. The integrated system for variable frequency speed regulation and energy efficiency optimization of the air conditioner compressor of the new energy automobile according to claim 3, wherein the parameter regulation and control module determines that the energy efficiency optimization value is not in accordance with a comparison result of a response delay amount being greater than or equal to a preset delay amount under the condition of determining the energy efficiency optimization value, and determines to increase the optimization value by a second preset optimization adjustment coefficient according to a comparison result of a difference value between the preset response delay amount and an actual response delay amount being greater than a preset deviation.
6. The integrated system for variable frequency speed regulation and energy efficiency optimization of a new energy automobile air conditioner compressor according to claim 5, wherein the system correction module determines that the rotation speed and the power do not accord based on a comparison result that the energy efficiency conversion ratio of each working point is smaller than a preset conversion ratio under the condition that the corresponding speed regulation control strategy is executed on the compressor, and determines to increase the rotation speed by a first preset rotation speed regulation coefficient according to a comparison result that the ratio of the energy efficiency conversion ratio to the preset conversion ratio is larger than or equal to the preset ratio.
7. The integrated system for variable frequency speed regulation and energy efficiency optimization of a new energy automobile air conditioner compressor according to claim 6, wherein the system correction module determines that the rotation speed and the power do not accord based on a comparison result that the energy efficiency conversion ratio of each working point is smaller than a preset conversion ratio under the condition that the corresponding speed regulation control strategy is executed on the compressor, and determines to increase the rotation speed by a second preset rotation speed regulation coefficient according to a comparison result that the ratio of the energy efficiency conversion ratio to the preset conversion ratio is smaller than the preset ratio.
8. The integrated system for variable frequency speed regulation and energy efficiency optimization of a new energy automobile air conditioner compressor according to claim 7, wherein the energy efficiency evaluation module determines that the rotation speed and the power do not accord with each other based on a comparison result that the energy efficiency conversion ratio of each working point is smaller than a preset conversion ratio under the condition that the corresponding speed regulation control strategy is executed on the compressor, and determines to reduce the power by a first preset power regulation coefficient according to a comparison result that the difference degree of the energy efficiency conversion ratio and the preset conversion ratio is smaller than or equal to a preset difference.
9. The integrated system for variable frequency speed regulation and energy efficiency optimization of a new energy automobile air conditioner compressor according to claim 8, wherein the energy efficiency evaluation module determines that the rotation speed and the power do not accord with each other based on a comparison result that the energy efficiency conversion ratio of each working point is smaller than a preset conversion ratio under the condition that the corresponding speed regulation control strategy is executed on the compressor, and determines to reduce the power by a second preset power regulation coefficient according to a comparison result that the difference degree of the energy efficiency conversion ratio and the preset conversion ratio is larger than a preset difference.
10. The integrated system for variable frequency speed regulation and energy efficiency optimization of a new energy automobile air conditioner compressor according to claim 6, wherein the system correction module determines that the rotation speed and the power accord with each other based on a comparison result that the energy efficiency conversion ratio is equal to a preset conversion ratio under the condition that the corresponding speed regulation control strategy is determined to be executed on the compressor, and keeps the current rotation speed and the power parameter unadjusted.

Description

Variable-frequency speed regulation and energy efficiency optimization integrated system of new energy automobile air conditioner compressor Technical Field The invention relates to the technical field of new energy automobile air conditioners, in particular to a new energy automobile air conditioner compressor variable-frequency speed regulation and energy efficiency optimization integrated system. Background Under the big background of the global energy crisis and the increasingly severe environmental protection requirements, new energy automobiles are rapidly developed by virtue of the clean and energy-saving advantages. As an important component of the new energy automobile, the energy consumption performance of the air conditioning system directly influences the endurance mileage and the energy utilization efficiency of the whole automobile. The air conditioner compressor is used as a core component of an air conditioning system, and the operation stability, the speed regulation accuracy and the energy efficiency level are more critical. The traditional speed regulation and energy efficiency optimization technology of the automobile air conditioner compressor faces a plurality of challenges when being applied to new energy automobiles. On the one hand, the power supply characteristic of the new energy automobile is different from that of the traditional fuel oil automobile, the voltage fluctuation is relatively large, the variable frequency speed regulation system of the compressor is required to be higher, the traditional speed regulation strategy is difficult to keep the running state of the compressor stable under the complex power supply environment, the condition of large fluctuation of the rotating speed is easy to occur, and the refrigerating effect of the air conditioning system is further affected. On the other hand, the requirements of the new energy automobile on energy efficiency are more strict, the actual demands of the compressor under different working conditions are often not fully considered by the traditional energy efficiency optimization method, so that the energy efficiency optimization effect is poor, the reasonable matching of the rotating speed and the power cannot be realized, and the energy waste is caused. Existing compressor control systems lack a flexible and efficient control strategy in the face of different refrigeration demands. When the refrigerating demand changes, the rotating speed and the power cannot be quickly and accurately adjusted, so that the matching degree of the refrigerating demand is low, the comfort of passengers in the vehicle is affected, and the energy consumption of the system is increased. Meanwhile, in the aspects of energy efficiency evaluation and system correction, the traditional technology has the defects that whether the energy efficiency conversion ratio meets the requirement cannot be timely and accurately judged, and when the condition of non-meeting occurs, effective correction measures cannot be adopted according to the actual condition, so that the energy efficiency level of the system is difficult to effectively improve. In the parameter regulation and control process of the traditional system, the consideration of the response delay amount is not comprehensive enough, and the judging mode of the energy efficiency optimization value can not be timely adjusted according to the change of the response delay amount, so that the consistency of the energy efficiency optimization value is difficult to ensure, and the overall energy efficiency of the system is further influenced. With the continuous expansion of new energy automobile markets and the continuous progress of technology, an air conditioner compressor variable frequency speed regulation and energy efficiency optimization integrated system capable of adapting to the characteristics of new energy automobiles is urgently needed, so that the problems existing in the traditional technology are solved, the running stability and energy efficiency level of the compressor are improved, and the high requirements of the new energy automobiles on an air conditioner system are met. Disclosure of Invention The invention aims to provide a variable-frequency speed regulation and energy efficiency optimization integrated system of an air conditioner compressor of a new energy automobile, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the novel energy automobile air conditioner compressor variable-frequency speed regulation and energy efficiency optimization integrated system comprises: the data sensing module is used for determining the stability of the running state of the compressor based on the fluctuation quantity of the rotating speed; The strategy generation module is connected with the data perception module and is used for determining a speed regulation control strategy based on the stab