CN-122028361-A - Quick charging terminal heat dissipation system, method, device, equipment and charging terminal

CN122028361ACN 122028361 ACN122028361 ACN 122028361ACN-122028361-A

Abstract

The application discloses a quick charging terminal heat dissipation system, a quick charging terminal heat dissipation method, a quick charging terminal heat dissipation device, natural wind interference is accurately judged through a current detection unit, fault misjudgment or missed judgment caused by interference is prevented, then, audio is cooperatively collected through an inner sound pickup and an outer sound pickup, outdoor environment sound interference is effectively eliminated, irregular frequency spectrum components of wind noise are removed based on the basic frequency bandwidth of a heat dissipation fan, pure fan mechanical operation audio data related to fan operation are accurately separated, and finally, the fan fault state of the heat dissipation fan is determined based on the pure fan mechanical operation audio data. According to the embodiment of the application, the problems of fan abrasion, dust accumulation, motor faults and the like can be found in time, the possibility of occurrence of safety accidents such as overheating and ignition of the module caused by the fan faults is reduced from the source, the safety and reliability of the quick charging process of the electric two-wheel vehicle are greatly improved, and the electric two-wheel vehicle is particularly suitable for outdoor complex use environments.

Inventors

WU DI
LI PING
LIU JIE

Assignees

湖南五号动力新能源有限公司

Dates

Publication Date: 20260512
Application Date: 20260112

Claims (10)

1. A quick charge terminal heat dissipation system, comprising: the box body is provided with a first side wall and a second side wall which are opposite in the left-right direction, and the first side wall is provided with an air port; a heat radiation fan arranged on the second side wall; the mounting frame is arranged in the box body, and is provided with a connecting part which is used for mounting the charging module and enabling the charging module to be positioned between the air port and the cooling fan; the external pickup is arranged at the outer side of the box body and is used for collecting external audio data; The inner pickup is arranged on the mounting frame in the box body and is used for collecting inner audio data; The current detection unit is connected in series with the power supply loop of the cooling fan and is used for detecting the running current of the cooling fan; The control unit is respectively and electrically connected with the cooling fan, the external sound pick-up, the internal sound pick-up and the current detection unit, and is used for judging an external interference state based on the running current of the current detection unit, eliminating the interference of environmental sound through the external audio data collected by the external sound pick-up and the internal audio data collected by the internal sound pick-up under the condition that the external interference state indicates that natural wind interference does not exist, and completing the fault judgment of the cooling fan.
2. The quick charge terminal heat dissipation system of claim 1, wherein the external pickup is disposed outside of the second side wall.
3. The heat dissipating system of claim 1 wherein the inner pickup is mounted on the back of the mounting frame and is opposite to the motor of the heat dissipating fan.
4. The quick charge terminal heat dissipation system of claim 3, wherein the mounting bracket comprises: The mounting seats are distributed in the up-down direction and extend in the left-right direction, and the rear ends of the mounting seats are connected to the rear side wall of the box body; The connecting plates are arranged in the left-right direction, a plurality of connecting parts are formed in the connecting plates along the length direction of the connecting plates, the connecting parts of the connecting plates are respectively attached to the front end surfaces of the mounting seats, the parts of the connecting plates between two adjacent connecting parts are bent backwards to form mounting grooves, and the mounting grooves are used for accommodating the radiators; The inner pickup is arranged on the connecting plate close to the cooling fan and is positioned on the back surface of the connecting plate.
5. The heat dissipating system of claim 4, wherein the connecting plate is bent backward at a portion between two adjacent connecting portions to form a bent portion, and the bent portion comprises: the two side plates are respectively attached to the side surfaces of the two adjacent mounting seats, which are close to each other; the bottom plate extends along the up-down direction, two ends of the bottom plate in the length direction are respectively connected to the rear ends of the two side plates, and the bottom plate and the two side plates are enclosed to form the mounting groove; the front end surfaces of the bottom plates of the two outermost connecting plates are provided with limit strips, and the limit strips are abutted against the left end or the right end of the radiator; the inner pickup is arranged on the bottom plate close to the cooling fan and is positioned on the back surface of the bottom plate.
6. A charging terminal comprising a fast charging terminal heat dissipation system as claimed in any one of claims 1 to 5.
7. A heat dissipation method for a fast charging terminal, which is applied to the heat dissipation system for a fast charging terminal according to any one of claims 1 to 5, and the heat dissipation method for a fast charging terminal comprises: acquiring the running current of the cooling fan acquired by the current detection unit; determining an external interference state based on the fluctuation amplitude and the fluctuation duration of the operating current; Under the condition that the external interference state indicates that natural wind interference exists, suspending executing a fan fault detection strategy; Executing a fan fault detection strategy under the condition that the external interference state indicates that natural wind interference does not exist; the fan fault detection strategy comprises the following steps: Acquiring external audio data acquired by an external sound pickup and internal audio data synchronously acquired by an internal sound pickup; The external audio data is utilized to eliminate the environmental sound interference in the internal audio data, so as to obtain the internal audio data to be analyzed; Performing spectrum analysis on the audio data to be analyzed, and obtaining pure fan mechanical operation audio data based on a predetermined basic frequency bandwidth of a cooling fan; Determining a fan fault state of the cooling fan based on the frequency characteristic and the amplitude characteristic of the pure fan mechanical operation audio data; And generating first alarm information under the condition that the fan fault state indicates that the cooling fan has a fault.
8. The method of claim 7, wherein the determining the external disturbance state based on the fluctuation amplitude and the fluctuation duration of the operating current comprises: when the fluctuation amplitude of the running current of the cooling fan is larger than or equal to a preset current fluctuation amplitude threshold and the fluctuation duration of the fluctuation state is larger than or equal to a preset current fluctuation time threshold, determining that natural wind interference exists; and determining that natural wind interference does not exist under the condition that the fluctuation amplitude of the running current of the cooling fan is smaller than a preset current fluctuation amplitude threshold or the fluctuation duration of a fluctuation state is smaller than a preset current fluctuation time threshold.
9. A fast charging terminal heat dissipation device, characterized in that it is applied to a fast charging terminal heat dissipation system as defined in any one of claims 1 to 5, and the fast charging terminal heat dissipation device comprises: the current acquisition module is used for acquiring the running current of the cooling fan acquired by the current detection unit; The environment interference determining module is used for determining an external interference state based on the fluctuation amplitude and the fluctuation duration of the running current; the strategy judging module is used for suspending to execute the fan fault detection strategy when the external interference state indicates that natural wind interference exists, and executing the fan fault detection strategy when the external interference state indicates that natural wind interference does not exist; the fan fault detection strategy comprises the following steps: Acquiring external audio data acquired by an external sound pickup and internal audio data synchronously acquired by an internal sound pickup; The external audio data is utilized to eliminate the environmental sound interference in the internal audio data, so as to obtain the internal audio data to be analyzed; Performing spectrum analysis on the audio data to be analyzed, and obtaining pure fan mechanical operation audio data based on a predetermined basic frequency bandwidth of a cooling fan; Determining a fan fault state of the cooling fan based on the frequency characteristic and the amplitude characteristic of the pure fan mechanical operation audio data; And generating first alarm information under the condition that the fan fault state indicates that the cooling fan has a fault.
10. An electronic device comprising a processor and a memory storing computer program instructions; the processor, when executing the computer program, implements the fast charging terminal heat dissipation method as set forth in claim 7 or 8.

Description

Quick charging terminal heat dissipation system, method, device, equipment and charging terminal Technical Field The application relates to the field of two-wheel vehicle charging, in particular to a quick charging terminal heat dissipation system, a quick charging terminal heat dissipation method, a quick charging terminal heat dissipation device, quick charging terminal heat dissipation equipment and a quick charging terminal. Background Under the electric bicycle fast charge scene, the power density of the module that charges is high, generate heat and concentrate, and radiator fan is as core radiating part, and its steady operation direct relation charges safely, in case the fan trouble easily causes the module overheated, and then leads to incident such as fire, short circuit, however, prior art lacks the effective detection means to electric bicycle fast charge terminal radiator fan. Disclosure of Invention The application aims to provide a quick charging terminal heat dissipation system, a quick charging terminal heat dissipation method, a quick charging terminal heat dissipation device, quick charging terminal heat dissipation equipment and a quick charging terminal, and can effectively monitor a heat dissipation fan. According to an embodiment of the first aspect of the present application, a heat dissipation system for a quick charge terminal includes: the box body is provided with a first side wall and a second side wall which are opposite in the left-right direction, and the first side wall is provided with an air port; a heat radiation fan arranged on the second side wall; the mounting frame is arranged in the box body, and is provided with a connecting part which is used for mounting the charging module and enabling the charging module to be positioned between the air port and the cooling fan; the external pickup is arranged at the outer side of the box body and is used for collecting external audio data; The inner pickup is arranged on the mounting frame in the box body and is used for collecting inner audio data; The current detection unit is connected in series with the power supply loop of the cooling fan and is used for detecting the running current of the cooling fan; The control unit is respectively and electrically connected with the cooling fan, the external sound pick-up, the internal sound pick-up and the current detection unit, and is used for judging an external interference state based on the running current of the current detection unit, eliminating the interference of environmental sound through the external audio data collected by the external sound pick-up and the internal audio data collected by the internal sound pick-up under the condition that the external interference state indicates that natural wind interference does not exist, and completing the fault judgment of the cooling fan. A charging terminal according to an embodiment of the second aspect of the present application includes a fast charging terminal heat dissipation system as described in the embodiment of the first aspect. According to a third aspect of the present application, a fast charging terminal heat dissipation method is applied to a fast charging terminal heat dissipation system according to the first aspect, and the fast charging terminal heat dissipation method includes: acquiring the running current of the cooling fan acquired by the current detection unit; determining an external interference state based on the fluctuation amplitude and the fluctuation duration of the operating current; Under the condition that the external interference state indicates that natural wind interference exists, suspending executing a fan fault detection strategy; Executing a fan fault detection strategy under the condition that the external interference state indicates that natural wind interference does not exist; the fan fault detection strategy comprises the following steps: Acquiring external audio data acquired by an external sound pickup and internal audio data synchronously acquired by an internal sound pickup; The external audio data is utilized to eliminate the environmental sound interference in the internal audio data, so as to obtain the internal audio data to be analyzed; Performing spectrum analysis on the audio data to be analyzed, and obtaining pure fan mechanical operation audio data based on a predetermined basic frequency bandwidth of a cooling fan; Determining a fan fault state of the cooling fan based on the frequency characteristic and the amplitude characteristic of the pure fan mechanical operation audio data; And generating first alarm information under the condition that the fan fault state indicates that the cooling fan has a fault. An embodiment of the present application provides a fast charging terminal heat dissipation device, which is applied to a fast charging terminal heat dissipation system according to an embodiment of the first aspect, and includes: the current acquisition module i