CN114801807A - Charging pile and heat dissipation control method thereof - Google Patents
Charging pile and heat dissipation control method thereof Download PDFInfo
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- CN114801807A CN114801807A CN202210467741.5A CN202210467741A CN114801807A CN 114801807 A CN114801807 A CN 114801807A CN 202210467741 A CN202210467741 A CN 202210467741A CN 114801807 A CN114801807 A CN 114801807A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims description 49
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- 101000775469 Homo sapiens Adiponectin Proteins 0.000 claims description 39
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 38
- 230000001276 controlling effect Effects 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 20
- 238000007781 pre-processing Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 7
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/302—Cooling of charging equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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Abstract
The invention provides a heat dissipation control method of a charging pile. In the heat dissipation control method, after the charging pile starts to work, the fans in each target space are respectively preprocessed, and after the fans in all the target spaces are all preprocessed, the fans in each target space are respectively circularly controlled according to the rotating speed of the internal temperature of each space. Because in this heat dissipation control method, after the fans in all target spaces all accomplished the preliminary treatment, the rotational speed control that carries out the fan in every target space respectively is based on the inside temperature in space separately, along with the change in the inside temperature in target space, the rotational speed of the fan in the target space also can follow the change, consequently can avoid filling the fan in electric pile and be in full speed operating condition all the time after electric pile begins work, thereby the heat dissipation control method of filling electric pile that this application provided can reduce the ageing damage speed of fan in filling electric pile.
Description
Technical Field
The invention relates to the technical field of automatic control, in particular to a charging pile and a heat dissipation control method thereof.
Background
With the rapid development of new energy vehicles, the new energy vehicles are more and more widely appeared in life, and the demand of the charging piles matched with the new energy vehicles is increased.
Because fill electric pile inside and be equipped with a large amount of electron devices, can produce more heat at its during operation, so fill electric pile inside and be provided with the fan, rotate through the fan, can improve the radiating rate who fills electric pile. However, because at present in most charging pile, the fan just is in full speed operating condition all the time after charging pile begins work, so the ageing damage speed that leads to the fan accelerates to make the later maintenance cost who charges the pile improve.
Therefore, how to reduce the aging and damage speed of the fan in the charging pile is a technical problem to be solved urgently.
Disclosure of Invention
In view of this, the present invention provides a charging pile and a heat dissipation control method thereof, so as to reduce the aging and damage speed of a fan in the charging pile.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the application provides a heat dissipation control method of a charging pile, wherein the charging pile comprises at least one independent space, and the at least one independent space is a target space with a fan arranged inside; the heat dissipation control method comprises the following steps:
after the charging pile starts to work, preprocessing the fans in each target space respectively;
and after the fans in all the target spaces are pretreated, respectively carrying out rotation speed control based on the internal temperature of each space on the circulation of the fans in each target space.
Optionally, the internal temperature of the target space is a maximum temperature within the target space.
Optionally, if the charging pile includes at least two target spaces, the rotating speed control based on the internal temperature of each space is performed on the fan circulation in each target space, including:
and sequentially controlling the rotating speed of the fan in each target space, and returning to control the rotating speed of the fan in the first target space after the rotating speed of the fan in the last target space is controlled.
Optionally, if one of the fans is included in the target space, or the types of the fans in the target space are the same, the rotating speed control includes:
judging whether the internal temperature of the target space is higher than the starting temperature of the fan in the target space;
and if the internal temperature of the target space is higher than the starting temperature, regulating and controlling the rotating speeds of all the fans in the target space according to the temperature in the target space.
Optionally, after the controlling the rotation speeds of all the fans in the target space, the method further includes:
judging whether the heat dissipation requirement of the target space exceeds the preset heat dissipation capacity of the fan or not; the preset heat dissipation capacity is determined by the working mode of the fan;
and if the heat dissipation requirement exceeds the preset heat dissipation capacity of the fan, controlling the derating operation of the charging pile.
Optionally, if the fan is in a mute mode or in a night mode in a normal mode, the heat dissipation requirement is represented by a current rotation speed of the fan, and the preset heat dissipation capacity is represented by a mute rotation speed threshold of the fan.
Optionally, if the fan is in a non-night mode in the normal mode, or in the limit mode, the heat dissipation requirement is represented by an internal temperature of the target space after the fan in the target space reaches a maximum rotation speed, and the preset heat dissipation capacity is represented by a derating temperature threshold of the fan.
Optionally, after controlling derating operation of the charging pile, the method further includes:
judging whether the temperature in the target space exceeds an over-temperature protection threshold value of the fan or not;
and if the temperature in the target space exceeds the over-temperature protection threshold value, controlling the charging pile to stop working.
Optionally, in the process of respectively performing the rotational speed control on the fans in each target space, whether the charging pile stops working is judged in real time;
if the charging pile stops working, all fans in the charging pile are controlled to stop rotating;
and if the charging pile does not stop working, continuously executing the step of circularly controlling the rotating speed of the fan in each target space based on the internal temperature of the space.
Optionally, if the charging pile includes at least two target spaces, respectively preprocessing the fans in each target space, including:
and sequentially preprocessing the fans in the target spaces.
Optionally, if one of the fans is included in the target space, or the types of the fans in the target space are the same, the preprocessing includes the following steps:
judging whether all the fans in the target space have no faults or not;
if all the fans in the target space have no faults, controlling all the fans in the target space to a preset rotating speed; the preset rotating speed is determined by the working mode of the fan.
Optionally, if the fan is in a silent mode, or in a night mode in a normal mode, the preset rotation speed is equal to zero.
Optionally, if the fan is in a non-night mode in the normal mode, or in the limit mode, the preset rotation speed is equal to the starting rotation speed of the fan.
Optionally, if all the fans in the charging pile are in the same working mode in the same scene, before the fans in each target space are preprocessed, the method further includes:
determining an operating mode of the fan;
and determining the preset heat dissipation capacity of the fan in the target space in the working mode and the preset rotating speed of the fan in the target space in the working mode according to the working mode.
Optionally, detecting the operating mode of the fan includes:
judging whether the working mode of the fan is a silent mode or not;
if the working mode is the mute mode, judging that the working mode is the mute mode;
if the working mode is not the mute mode, judging whether the working mode is a conventional mode or not;
if the working mode is the conventional mode, judging whether to start a night mode;
if the night mode is started, determining that the working mode is the night mode in the conventional mode;
if the night mode is not started, determining that the working mode is the non-night mode in the conventional mode;
if the working mode is not the conventional mode, judging whether the working mode is the limit mode;
if the working mode is the limit mode, judging that the working mode is the limit mode;
and if the working mode is not the limit mode, returning to the step of judging whether the working mode of the fan is the mute mode or not.
An aspect provides a fill electric pile on this application, includes: the heat dissipation air duct is arranged on the rear box body of the charging box;
at least one fan is arranged in at least one of the charging motor box and the heat dissipation air duct;
the control end of the fan is connected with a charging controller in the charger box, and the charging controller is used for executing the heat dissipation control method of the charging pile according to any one of the aspects of the application;
or,
the charging machine box is additionally provided with a heat dissipation controller, the control end of the fan is connected with the heat dissipation controller, and the heat dissipation controller is used for executing the heat dissipation control method of the charging pile according to any one of claims 1 to 16.
Optionally, the method further includes: at least one double-sided heat exchanger; the double-sided heat exchanger is arranged between the charging machine box and the heat dissipation air duct in a penetrating mode.
Optionally, the double-sided heat exchanger is arranged at the top or the bottom of the charging pile.
Optionally, the charger box is provided with: the system comprises an ACDC conversion unit, a DCDC conversion unit, an alternating current distribution unit, a direct current distribution unit and a charging controller; wherein:
the input end of the alternating current distribution unit is connected with a power supply, the output end of the alternating current distribution unit is connected with the alternating current side of the ACDC conversion unit, the direct current side of the ACDC conversion unit is connected with the first side of the DCDC conversion unit, the second side of the DCDC conversion unit is connected with the input end of the direct current distribution unit, and the output end of the direct current distribution unit is used as the charging end of the charging pile;
the charging controller is respectively connected with the ACDC conversion unit, the DCDC conversion unit, the alternating current distribution unit and the direct current distribution unit.
Optionally, if the charging cabinet only includes one independent space, then:
the charging box is divided into two layers by a partition plate, the rear layer is a power conversion part, and the front layer is a power control distribution part;
the partition board is provided with a vent hole.
Optionally, if at least one fan is disposed in the charging box, the maximum temperature in the charging box is equal to the maximum value of the temperature of the ACDC conversion unit, the temperature of the DCDC conversion unit, the temperature of the ac power distribution unit, the temperature of the dc power distribution unit, and the temperature of the charging controller.
Optionally, the fan is disposed between the top of the partition board and the top of the rear box body of the charging box, or between the bottom of the partition board and the bottom of the rear box body of the charging box.
Optionally, if the number of the fans in the charging box is greater than 1, in the remaining fans in the charging box:
the fan is arranged between the partition plate and the front box body of the charging box; or,
the fan is arranged between the partition plate and the rear box body of the charging box and is close to the double-sided heat exchanger of the target; the target double-sided heat exchanger is a double-sided heat exchanger which is not provided with a fan around one side of the charging box.
Optionally, the heat dissipation air duct is provided with: ACDC radiators and DCDC radiators; wherein:
the ACDC radiator is used for guiding heat generated by an ACDC conversion unit in the charging pile into the heat dissipation air duct when the charging pile works;
the DCDC radiator is used for guiding heat generated by a DCDC conversion unit in the charging pile into the heat dissipation air duct when the charging pile works.
Optionally, if at least one fan is disposed in the heat dissipation air duct, the maximum temperature in the heat dissipation air duct is equal to the maximum value of the temperature of the ACDC radiator and the temperature of the DCDC radiator.
Optionally, the fan is disposed between the ACDC radiator and the DCDC radiator.
Optionally, if the number of the fans in the heat dissipation air duct is greater than 1, the remaining fans in the heat dissipation air duct are preferentially arranged at positions adjacent to the double-sided heat exchanger.
Optionally, the wind direction in the heat dissipation air duct is from top to bottom, or from bottom to top.
Optionally, a chamfer angle is arranged at the air inlet of the heat dissipation air duct.
According to the technical scheme, the invention provides the heat dissipation control method of the charging pile. Fill electric pile and include two at least independent spaces, wherein, at least one independent space is the inside target space that is provided with the fan. In the heat dissipation control method, after the charging pile starts to work, the fans in each target space are respectively preprocessed, and after the fans in all the target spaces are all preprocessed, the fans in each target space are respectively circularly controlled according to the rotating speed of the internal temperature of each space. Because in this heat dissipation control method, after the fans in all target spaces all accomplished the preliminary treatment, the rotational speed control that carries out the fan in every target space respectively is based on the inside temperature in space separately, along with the change in the inside temperature in target space, the rotational speed of the fan in the target space also can follow the change, consequently can avoid filling the fan in electric pile and be in full speed operating condition all the time after electric pile begins work, thereby the heat dissipation control method of filling electric pile that this application provided can reduce the ageing damage speed of fan in filling electric pile.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flowchart of an implementation manner of a method for controlling heat dissipation of a charging pile according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of an example of step S120 provided in the embodiment of the present application;
FIG. 3 is a schematic flow chart diagram illustrating one embodiment of a pre-treatment process provided by an embodiment of the present application;
fig. 4 is a schematic flowchart of an example of step S130 provided in the embodiment of the present application;
FIG. 5 is a schematic flow chart illustrating one embodiment of a rotational speed control method provided in an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating the starting rotational speed of the cooling fan in the charging pile;
FIG. 7 is a schematic diagram of the starting rotational speed of the fan around the charging pile;
fig. 8 and fig. 9 are schematic flow charts of two other embodiments of the rotational speed control provided in the embodiments of the present application, respectively;
fig. 10 is a schematic flowchart of another implementation manner of a method for controlling heat dissipation of a charging pile according to an embodiment of the present application;
fig. 11 is a flowchart illustrating an example of step S810 provided in an embodiment of the present application;
fig. 12 to fig. 18 are schematic flow diagrams of seven implementation manners of the charging pile according to the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In this application, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In order to reduce the aging damage speed of a fan in a charging pile, the embodiment of the application provides a heat dissipation control method of the charging pile, wherein the charging pile comprises at least one independent space, and the at least one independent space is a target space in which the fan is arranged.
If an independent heat dissipation air channel is arranged in the charging pile and a fan is arranged in the heat dissipation air channel, the heat dissipation air channel can be used as a target space; if a charger box in the charging pile is an independent space and a fan is arranged in the independent space, the charger box can also be used as a target space; in practical application, including but not limited to this, can confirm which space in its inside can regard as target space according to the actual structure of filling electric pile, do not do specific limitation here, and the visual specific case of choosing all is in the scope of protection of this application.
Optionally, in the target space, the number of the fans may be equal to or greater than 1, and is not specifically limited herein, and may be determined according to specific situations, and all of the fans are within the protection scope of the present application.
The specific flow of the heat dissipation control method is shown in fig. 1, and specifically includes the following steps:
and S110, judging whether the charging pile starts to work or not.
If the charging pile starts to work, executing the step S120; and if the charging pile does not start to work, returning to execute the step S110.
And S120, after the charging pile starts to work, respectively preprocessing the fans in each target space.
Wherein the preprocessing is a preparation operation executed before the rotation speed control of the fan; the preprocessing will be described in detail below, and will not be described herein again.
And S130, after the fans in all the target spaces are preprocessed, respectively controlling the rotating speed of the fan in each target space based on the internal temperature of the target space.
Alternatively, the internal temperature of the target space may be the highest temperature in the target space, or may be the average temperature in the target space; in practical applications, including but not limited to, this, it is not limited herein and all that is within the scope of the present application, as the case may be.
In practical application, the rotating speed control based on the space internal temperature is carried out on the fan in the target space, so that the rotating speed of the fan in the target space changes along with the change of the target space internal temperature when the target space internal temperature changes.
S140, in the process of respectively controlling the rotating speed of the fans in each target space, whether the charging pile stops working is judged in real time.
If the charging pile stops working, executing the step S150; if the charging pile does not stop working, the step S130 is continuously executed.
And S150, controlling all fans in the charging pile to stop rotating.
By the above, the fan in the target space is subjected to rotating speed control based on the space internal temperature, so that the rotating speed of the fan in the target space changes along with the target space internal temperature when the target space internal temperature changes, the fan in the charging pile can be prevented from being always in a full-speed working state after the charging pile starts to work by the heat dissipation control method, and the aging damage speed of the fan in the charging pile can be reduced by the heat dissipation control method for the charging pile.
Another embodiment of the present application provides a specific implementation manner of step S120, which is applicable to a situation where the charging pile includes at least two target spaces, and the implementation manner specifically includes: and sequentially preprocessing the fans in the target spaces, namely starting from the first target space, and after finishing preprocessing the fans in one target space, preprocessing the fans in the next target space until finishing preprocessing the fans in the last target space.
Taking the charging pile shown in fig. 14 as an example, a specific process of the foregoing embodiment of step S120 is described, and as shown in fig. 2, the specific process includes the following steps:
s210, preprocessing a fan in the heat dissipation air duct.
S220, preprocessing the fan in the charging box.
The above is only one embodiment of step S120, and in practical applications, including but not limited to this, for example, the fans in each target space may be preprocessed at the same time, which is not specifically limited herein, and it is within the scope of the present application as the case may be.
It should be noted that, when the charging pile only includes a target space, the fan in the target space is preprocessed, and the process is relatively simple, so that the detailed description is omitted here.
Another embodiment of the present application provides a specific implementation of the pre-processing, which is suitable for a target space including one fan, or the fans in the target space are of the same type; the specific flow is shown in fig. 3, and specifically comprises the following steps:
s310, judging whether all fans in the target space have no faults or not.
If all fans in the target space have no fault, executing step S320; if at least one fan in the target space fails, step S330 is performed.
And S320, controlling all fans in the target space to a preset rotating speed.
The preset rotating speed is determined by the working mode of the fan; in practical application, the working modes of the fan are divided into a silent mode, a conventional mode and a limit module; the normal mode can be divided into a night module and a non-night module; the mute mode is suitable for scenes with high requirements on sound, the conventional mode can be suitable for common scenes, and the limit mode is suitable for scenes with high requirements on heat dissipation.
If the fan is in a mute mode or a night mode in a conventional mode, presetting the rotating speed to be equal to zero; if the fan is in the non-night mode in the normal mode or in the limit mode, the preset rotation speed is equal to the starting rotation speed of the fan.
Therefore, different spaces in the charging pile can be used as target spaces; when the heat dissipation air duct in the charging pile is used as a target space, the fan in the heat dissipation air duct is a heat dissipation fan, which mainly accelerates the flow speed of air in the heat dissipation air duct, and in practical application, the starting rotating speed of one heat dissipation fan is shown in fig. 6; when a charger box in a charging pile is used as a target space, a fan in the charger box is a turbulent fan and is mainly used for disturbing air inside the charger box, and in practical application, the starting rotating speed of the turbulent fan is as shown in fig. 7.
It should be noted that, when the execution of step S320 is completed, it indicates that the preprocessing for each fan in the target space is completed.
And S330, controlling the charging pile to stop working and reporting the fault.
It should be noted that, when the step S330 is completed, it indicates that the heat dissipation control method of the charging pile is completed.
Another embodiment of the present application provides a specific implementation manner of step S130, which is applicable to a situation where the charging pile includes at least two target spaces, and the specific implementation manner is: and sequentially controlling the rotating speed of the fans in each target space, and returning to control the rotating speed of the fan in the first target space after the rotating speed of the fan in the last target space is controlled.
Wherein, the above-mentioned rotational speed control is carried out to the fan in each target space in proper order, promptly: starting from the first target space, after the rotational speed control of the fan in one target space is completed, the rotational speed control of the fan in the next target space is performed until the rotational speed control of the fan in the last target space is completed.
Taking the charging pile shown in fig. 14 as an example, a specific process of the foregoing embodiment of step S130 is described, and as shown in fig. 4, the specific process includes the following steps:
and S410, controlling the rotating speed of the fan in the heat dissipation air duct.
And S420, controlling the rotating speed of the fan in the charger box.
After step S220, the process returns to step S210.
The above is only one embodiment of step S130, and in practical applications, including but not limited to this, for example, the above rotational speed control may be performed on the fans in the target spaces at the same time, and after each rotation speed control is finished, the rotation speed control is returned to be performed again; it is not specifically limited herein, and may be within the scope of the present application depending on the specific circumstances.
It should be noted that, when the charging pile only includes a target space, the rotation speed of the fan in the target space is controlled in a circulating manner, and the process is relatively simple, so that the detailed description is omitted here.
Another embodiment of the present application provides a specific implementation of the rotational speed control, which is suitable for a case that the target space includes one fan, or the fans in the target space are of the same type; the specific process is shown in fig. 5, and specifically includes the following steps:
s510, judging whether the internal temperature of the target space is higher than the starting temperature of the fan in the target space.
If the internal temperature of the target space is higher than the starting temperature of the fan in the target space, step S520 is performed.
Wherein, the starting temperature is the critical temperature for starting the fan; in practical applications, the starting temperature of different types of starting fans is different.
As can be seen from the above, when the heat dissipation air duct in the charging pile is used as a target space, the fan in the heat dissipation air duct is a heat dissipation fan, and in practical application, the starting temperature of one heat dissipation fan is as shown in fig. 6; when a charger box in the charging pile is used as a target space, a fan in the charger box is a turbulent fan, and in practical application, the starting temperature of the turbulent fan is shown in fig. 7.
It should be noted that, when the internal temperature of the target space is less than or equal to the starting temperature of the fan in the target space, and the execution of step S520 is completed, it indicates that the regulation of the rotation speed of the fan in the target space is completed.
And S520, regulating and controlling the rotating speeds of all fans in the target space according to the temperature in the target space.
In practical application, the temperature in the target space is used as a basis, the corresponding rotating speed of the corresponding fan can be determined by searching in the rotating speed temperature curve of the corresponding fan, and then the corresponding fan can be regulated according to the rotating speed value. Wherein, the rotating speed temperature curve of the fan can be obtained through early tests.
The speed-temperature curve of the fan may be as shown in fig. 6 or fig. 7, where fig. 6 is the speed-temperature curve of the heat dissipation fan, and fig. 7 is the speed-temperature curve of the turbulent fan.
The above is only one embodiment of step S520, and in practical applications, including but not limited to, determining the fan speed by looking up a table, which is not specifically limited herein, and may be determined as the case may be, and is within the scope of the present application.
The embodiment also provides another specific implementation manner of the rotation speed control, which is also applicable to the case that the target space comprises one fan, or the types of the fans in the target space are the same; as shown in fig. 8, on the basis of fig. 5, after step S520, the method further includes the following steps:
s610, judging whether the heat dissipation requirement of the target space exceeds the preset heat dissipation capacity of the fan.
If the heat dissipation requirement exceeds the preset heat dissipation capability of the fan, step S620 is executed.
The preset heat dissipation capacity of the fan is determined by the working mode of the fan; in view of the above, the working modes of the fan are divided into a silent mode, a normal mode and a limit module; the normal mode can be divided into a night module and a non-night module; the mute mode is suitable for scenes with high requirements on sound, the conventional mode can be suitable for common scenes, and the limit mode is suitable for scenes with high requirements on heat dissipation.
If the fan is in a mute mode or a night mode in a conventional mode, the heat dissipation requirement is represented by the current rotating speed of the fan, and the preset heat dissipation capacity is represented by a mute rotating speed threshold of the fan; if the fan is in a non-night mode in the normal mode or in the limit mode, the heat dissipation requirement is represented by the internal temperature of the target space after the fan in the target space reaches the maximum rotating speed, and the preset heat dissipation capacity is represented by the derating temperature threshold of the fan.
As can be seen from the above, when the heat dissipation air duct in the charging pile is used as a target space, the fan in the heat dissipation air duct is a heat dissipation fan, and in practical application, a mute rotation speed threshold, a maximum rotation speed, and a derating temperature threshold of the heat dissipation fan are shown in fig. 6; when a charger box in the charging pile is used as a target space, a fan in the charger box is a turbulent fan, and in practical application, a mute rotation speed threshold, a maximum rotation speed and a derating temperature threshold of the turbulent fan are shown in fig. 7.
It should be noted that when the heat dissipation requirement does not exceed the preset heat dissipation capability, it indicates that the rotation speed control of the fan in the target space is completed.
S620, controlling the derating operation of the charging pile.
It should be noted that, when the step S630 is completed, it indicates that the method for controlling heat dissipation of the charging pile has been completed; in addition, it is a relatively conventional technical means to control the derating operation of the charging pile, and details are not described here, and reference can be made to the prior art.
The embodiment also provides another specific implementation manner of the rotation speed control, which is also applicable to the case that the target space comprises one fan, or the types of the fans in the target space are the same; as shown in fig. 9, on the basis of fig. 8, after step S620, the specific process further includes the following steps:
s710, judging whether the temperature in the target space exceeds the over-temperature protection threshold of the fan.
If the temperature in the target space exceeds the over-temperature protection threshold, step S720 is performed.
As can be seen from the above, when the heat dissipation air duct in the charging pile is used as a target space, the fan in the heat dissipation air duct is a heat dissipation fan, and in practical application, an over-temperature protection threshold of the heat dissipation fan is as shown in fig. 6; when a charger box in a charging pile is used as a target space, a fan in the charger box is a turbulent fan, and in practical application, an over-temperature protection threshold value of the turbulent fan is shown in fig. 7.
It should be noted that when the temperature in the target space does not exceed the over-temperature protection threshold, it indicates that the control of the rotation speed of the fan in the target space is completed.
And S720, controlling the charging pile to stop working.
It should be noted that, it is a relatively conventional technical means to control the charging pile to stop working, and details are not described here, and reference may be made to the prior art.
The above three embodiments of the rotational speed control are only provided, and in practical applications, including but not limited to, the three embodiments are within the scope of the present application, and may be within the scope of the present application as the case may be.
Another embodiment of the present application provides another implementation manner of the heat dissipation control method, which is suitable for a situation that all fans in a charging pile are in the same working mode in the same scene, where a specific flow of the method is shown in fig. 10, and before step S120, the method further includes the following steps:
and S810, determining the working mode of the fan.
The present embodiment provides a specific implementation manner of step S810, and the specific structure thereof is shown in fig. 11, and includes the following steps:
s910, judging whether the working mode of the fan is a mute mode.
If the working mode of the fan is the mute mode, step S920 is executed; if the operating mode of the fan is not the mute mode, step S930 is executed.
S920, judging the working mode of the fan to be a mute mode.
And S930, judging whether the working mode of the fan is a normal mode or not.
If the working mode of the fan is the normal mode, executing step S940; if the operation mode of the fan is not the normal mode, step S970 is executed.
And S940, judging whether the night mode is started or not.
If the night mode is turned on, it is determined to perform step S950; if the night mode is not turned on, step S960 is performed.
And S950, judging that the working mode of the fan is a night mode in the normal mode.
And S960, judging that the working mode of the fan is a non-night mode in the conventional mode.
And S970, judging whether the working mode of the fan is the limit mode.
If the working mode of the fan is the limit mode, executing step S980; if the operating mode of the fan is not the limit mode, the process returns to step S910.
And S980, judging the working mode of the fan to be a limit mode.
The above is only one specific implementation of step S810, and in practical applications, including but not limited to this, it is not specifically limited herein, and it is within the scope of the present application as the case may be.
S820, according to the working mode of the fan, the preset heat dissipation capacity of the fan in the target space in the working mode and the preset rotating speed of the fan in the target space in the working mode are determined.
It should be noted that the determination of the preset heat dissipation capability and the preset rotation speed is described in the above embodiments, and is not described herein again.
Another embodiment of this application provides a fill electric pile specifically includes: a charging case 2 and a heat dissipation air duct 1 disposed at a rear case of the charging case 2, as shown in fig. 12-18; at least one fan is arranged in at least one of the charger box 2 and the heat dissipation air duct 1; the control end of the fan is connected with a charging controller 2-2-2 in a charger box 2, and the charging controller 2-2-2 is used for executing the heat dissipation control method of the charging pile provided by the embodiment; or, a heat dissipation controller is additionally arranged in the charger box 2, a control end of the fan is connected with the heat dissipation controller, and the heat dissipation controller is used for executing the heat dissipation control method of the charging pile provided by the embodiment.
Preferably, a chamfer angle may be provided at the air inlet of the heat dissipation air duct 1, as shown in fig. 15-18; in practical applications, including but not limited to, this, it is not limited specifically here, and it is within the scope of this application as the case may be.
Optionally, the wind direction in the heat dissipation wind channel 1 may be from top to bottom, or from bottom to top, and herein is not specifically limited, and may be determined according to specific situations, and all are within the scope of the present application.
The above is only an embodiment of the charging pile, and in practical applications, including but not limited to this, for example, in the charging pile, the heat dissipation air duct 1 is disposed inside the charging box 2, but a fan is disposed inside the charging box 2; the method is not particularly limited, and can be used within the protection scope of the application according to specific conditions; in addition, the following embodiments are all applicable to the above embodiments, that is, all applicable to the case where the heat dissipation air duct 1 is independently disposed, and are not described in detail below.
Another embodiment of the present application provides another implementation of a charging pile, and on the basis of the above implementation, the implementation further includes: at least one double-sided heat exchanger 3, as shown in fig. 13 to 18; the double-sided heat exchanger 3 is arranged between the charging machine box 2 and the heat dissipation air duct 1 in a penetrating mode.
Alternatively, the double-sided heat exchanger 3 may be disposed at the bottom of the charging pile, as shown in fig. 13-16; or on top of the charging pile, as shown in fig. 17; in practical applications, including but not limited to, this, it is not limited specifically here, and it is within the scope of this application as the case may be.
In practical applications, the number of the double-sided heat exchangers 3 is usually 1, as shown in fig. 13-17, or this is 2, as shown in fig. 18 (only two double-sided heat exchangers 3 are arranged up and down in the figure for illustration).
Another embodiment of the present application provides an implementation manner of the charging box 2, the specific structure of which is shown in fig. 13-18, and specifically includes: the system comprises an ACDC conversion unit 2-1-1, a DCDC conversion unit 2-1-2, an alternating current distribution unit 2-2-1, a direct current distribution unit 2-2-3 and a charging controller 2-2-2.
The input end of the alternating current distribution unit 2-2-1 is connected with a power supply, the output end of the alternating current distribution unit 2-2-1 is connected with the alternating current side of the ACDC conversion unit 2-1-1, the direct current side of the ACDC conversion unit 2-1-1 is connected with the first side of the DCDC conversion unit 2-1-2, the second side of the DCDC conversion unit 2-1-2 is connected with the input end of the direct current distribution unit 2-2-3, and the output end of the direct current distribution unit 2-2-3 is used as the charging end of a charging pile; the charging controller 2-2-2 is respectively connected with the ACDC conversion unit 2-1-1, the DCDC conversion unit 2-1-2, the alternating current distribution unit 2-2-1 and the direct current distribution unit 2-2-3.
When at least one fan is arranged in the charging box 2, the charging box 2 can be used as a target space, and at the moment, the highest temperature in the charging box 2 is equal to the maximum value of the temperature of the ACDC conversion unit 2-1-1, the temperature of the DCDC conversion unit 2-1-2, the temperature of the AC distribution unit 2-2-1, the temperature of the DC distribution unit 2-2-3 and the temperature of the charging controller 2-2-2.
It should be noted that, in a normal situation, when the charging pile works, the ACDC conversion unit 2-1-1, the DCDC conversion unit 2-1-2, the ac distribution unit 2-2-1, the dc distribution unit 2-2-3, and the charging controller 2-2-2 all generate heat, that is, these places are used as sources of heat, and therefore, the maximum temperature in the target space may be represented by the temperature of the ACDC conversion unit 2-1-1, the temperature of the DCDC conversion unit 2-1-2, the temperature of the ac distribution unit 2-2-1, the temperature of the dc distribution unit 2-2-3, or the temperature of the charging controller 2-2-2 in the charging box 2.
The present embodiment provides an example of the charging box 2, as shown in fig. 13-18, in this example, the charging box 2 includes only one independent space, the charging box 2 is divided into two layers by the partition board 2-3, the rear layer is the power conversion part 2-1, and the front layer is the control distribution part 2-2, that is: the ACDC conversion unit 2-1-1 and the DCDC conversion unit 2-1-2 are arranged on the rear layer, and the alternating current distribution unit 2-2-1, the direct current distribution unit 2-2-3 and the charging controller 2-2-2 are arranged on the front layer; the partition board 2-3 is provided with a vent hole.
It should be noted that the ACDC conversion unit 2-1-1, the DCDC conversion unit 2-1-2, the ac power distribution unit 2-2-1, the dc power distribution unit 2-2-3, and the charge controller 2-2-2 may be arranged at specific positions in their respective layers according to actual situations, and a mature arrangement scheme in the prior art may be adopted, which is not described herein again.
The above is merely an example of the charging box 2, and in practical applications, including but not limited to this, it is not limited herein specifically, and it is within the scope of the present application.
When a fan is disposed in the charging case 2, on the basis of the above example of the charging case 2, the present embodiment provides a specific arrangement manner of the fan inside the charging case 2, as shown in fig. 12 and 2-4 in fig. 13, specifically:
a fan is arranged between the top of the partition plate 2-3 and the top of the rear box body of the charger box 2, or between the bottom of the partition plate 2-3 and the bottom of the rear box body of the charger box 2.
When at least two fans are disposed in the charging case 2, on the basis of the above example of the charging case 2, the present embodiment provides a specific arrangement manner of the fans inside the charging case 2, as shown in fig. 14-2-4 in fig. 18, specifically:
a fan is arranged between the top of the partition plate 2-3 and the top of the rear box body of the charger box 2, or between the bottom of the partition plate 2-3 and the bottom of the rear box body of the charger box 2.
Among the remaining fans inside the charger box 2: the fan is arranged between the partition plate 2-3 and the front box body of the charging box 2, as shown in 2-4 in the figures 14-16; alternatively, the fan is disposed between the partition plate 2-3 and the rear case of the charger case 2, next to the target double-sided heat exchanger 3, as shown in fig. 17, 2-4 in fig. 18.
The target double-sided heat exchanger 3 is a double-sided heat exchanger 3 which is not provided with a fan around one side of the charging case 2.
The above description is only a variety of specific arrangement manners of the fan inside the charger case 2, and in practical applications, including but not limited to this, the specific arrangement is not limited herein, and the specific arrangement is within the protection scope of the present application.
Another embodiment of the present application provides an implementation manner of the heat dissipation air duct 1, and the specific structure thereof is shown in fig. 13 to 18, and specifically includes: ACDC radiator 1-1 and DCDC radiator 1-2.
The ACDC radiator 1-1 is used for guiding heat generated by the ACDC conversion unit 2-1-1 in the charging pile into the heat dissipation air duct 1 when the charging pile works, and therefore the ACDC radiator needs to be arranged corresponding to the ACDC conversion unit 2-1-1; the DCDC radiator 1-2 is used for guiding heat generated by a DCDC conversion unit 2-1-2 in the charging pile into the heat dissipation air duct 1 when the charging pile works, and therefore the heat dissipation air duct needs to be arranged corresponding to the DCDC conversion unit 2-1-2.
When at least one fan is arranged in the heat dissipation air duct 1, the hot air duct can be used as a target space, and at the moment, the highest temperature in the hot air duct is equal to the maximum value of the temperature of the ACDC radiator 1-1 and the temperature of the DCDC radiator 1-2 in the heat dissipation air duct 1.
It should be noted that, in general, the ACDC radiator 1-1 and the DCDC radiator 1-2 are used to guide heat in the charger box 2 in the charging pile into the heat dissipation air duct 1, that is, heat is concentrated in these two places, so that the highest temperature in the heat dissipation air duct 1 can be represented by the temperature of the ACDC radiator 1-1 or the temperature of the DCDC radiator 1-2.
When a fan is disposed in the heat dissipation air duct 1, on the basis of the above structure of the heat dissipation air duct 1, the present embodiment provides a specific arrangement manner of the fans inside the heat dissipation air duct 1, as shown in fig. 13, 15, and 1-3 in fig. 17, specifically:
a fan is arranged between the ACDC radiator 1-1 and the DCDC radiator 1-2.
When at least two fans are disposed in the heat dissipation air duct 1, on the basis of the above structure of the heat dissipation air duct 1, the present embodiment provides a specific arrangement manner of the fans inside the heat dissipation air duct 1, as shown in fig. 14, 16, and 1-3 in fig. 18, specifically:
a fan is arranged between the ACDC radiator 1-1 and the DCDC radiator 1-2; the remaining fans in the cooling air duct 1 are preferably disposed at positions adjacent to the double-sided heat exchanger 3.
In practical applications, including but not limited to this, the fan is not specifically limited herein, and may be within the protection scope of the present application.
In the above description of the disclosed embodiments, features described in various embodiments in this specification can be substituted for or combined with each other to enable those skilled in the art to make or use the present application. The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or to modify equivalent embodiments, without departing from the scope of the solution, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (29)
1. The heat dissipation control method of the charging pile is characterized in that the charging pile comprises at least one independent space, wherein the at least one independent space is a target space in which a fan is arranged; the heat dissipation control method comprises the following steps:
after the charging pile starts to work, preprocessing the fans in each target space respectively;
after all the fans in the target space are pretreated, the rotating speed control based on the internal space temperature of each fan is respectively carried out on the fan circulation in each target space.
2. The method for controlling heat dissipation in a charging pile according to claim 1, wherein the internal temperature of the target space is a maximum temperature in the target space.
3. The method according to claim 2, wherein if the charging pile includes at least two target spaces, the step of controlling the rotation speed of the fan in each of the target spaces in a cycle based on the internal temperature of the space includes:
and sequentially controlling the rotating speed of the fan in each target space, and returning to control the rotating speed of the fan in the first target space after the rotating speed of the fan in the last target space is controlled.
4. The method according to claim 3, wherein if the target space includes one fan, or if the fans in the target space are of the same type, the controlling the rotation speed includes:
judging whether the internal temperature of the target space is higher than the starting temperature of the fan in the target space;
and if the internal temperature of the target space is higher than the starting temperature, regulating and controlling the rotating speeds of all the fans in the target space according to the temperature in the target space.
5. The method for controlling heat dissipation of a charging pile according to claim 4, wherein after the control of the rotation speed of all the fans in the target space, the method further comprises:
judging whether the heat dissipation requirement of the target space exceeds the preset heat dissipation capacity of the fan or not; the preset heat dissipation capacity is determined by the working mode of the fan;
and if the heat dissipation requirement exceeds the preset heat dissipation capacity of the fan, controlling the derating operation of the charging pile.
6. The method according to claim 5, wherein if the fan is in a silent mode or a night mode in a normal mode, the heat dissipation requirement is represented by a current rotation speed of the fan, and the preset heat dissipation capability is represented by a silent rotation speed threshold of the fan.
7. The method according to claim 5, wherein if the fan is in a non-nighttime mode of a normal mode or in a limit mode, the heat dissipation requirement is characterized by an internal temperature of the target space after the fan reaches a maximum speed in the target space, and the preset heat dissipation capacity is characterized by a derating temperature threshold of the fan.
8. The method for controlling heat dissipation of the charging pile according to claim 5, further comprising, after controlling derating operation of the charging pile:
judging whether the temperature in the target space exceeds an over-temperature protection threshold value of the fan or not;
and if the temperature in the target space exceeds the over-temperature protection threshold value, controlling the charging pile to stop working.
9. The method according to claim 1, wherein whether the charging pile stops working is determined in real time during the process of controlling the rotation speed of the fan in each target space;
if the charging pile stops working, all fans in the charging pile are controlled to stop rotating;
and if the charging pile does not stop working, continuously executing the step of circularly controlling the rotating speed of the fan in each target space based on the internal temperature of the space.
10. The method according to claim 1, wherein if the charging pile includes at least two target spaces, the step of preprocessing the fan in each target space includes:
and sequentially preprocessing the fans in the target spaces.
11. The method of claim 10, wherein if the target space includes one fan, or if the fans in the target space are the same type, the pre-processing comprises the following steps:
judging whether all the fans in the target space have no faults or not;
if all the fans in the target space have no faults, controlling all the fans in the target space to a preset rotating speed; the preset rotating speed is determined by the working mode of the fan.
12. The method according to claim 11, wherein the predetermined rotational speed is equal to zero if the fan is in a silent mode or a night mode in a normal mode.
13. The method according to claim 11, wherein the preset rotation speed is equal to a starting rotation speed of the fan if the fan is in a non-nighttime mode in a normal mode or in a limit mode.
14. The method according to any one of claims 1 to 13, wherein if all the fans in the charging pile are in the same operating mode in the same scene, before the fans in each target space are respectively preprocessed, the method further includes:
determining an operating mode of the fan;
and determining the preset heat dissipation capacity of the fan in the target space in the working mode and the preset rotating speed of the fan in the target space in the working mode according to the working mode.
15. The method for controlling heat dissipation of a charging pile according to claim 14, wherein detecting the operating mode of the fan comprises:
judging whether the working mode of the fan is a silent mode or not;
if the working mode is the mute mode, judging that the working mode is the mute mode;
if the working mode is not the mute mode, judging whether the working mode is a conventional mode;
if the working mode is the conventional mode, judging whether to start a night mode;
if the night mode is started, determining that the working mode is the night mode in the conventional mode;
if the night mode is not started, determining that the working mode is the non-night mode in the conventional mode;
if the working mode is not the conventional mode, judging whether the working mode is the limit mode;
if the working mode is the limit mode, judging that the working mode is the limit mode;
and if the working mode is not the limit mode, returning to the step of judging whether the working mode of the fan is the mute mode or not.
16. A charging pile, comprising: the heat dissipation air duct is arranged on the rear box body of the charging box;
at least one fan is arranged in at least one of the charging motor box and the heat dissipation air duct;
the control end of the fan is connected with a charging controller in the charger box, and the charging controller is used for executing the heat dissipation control method of the charging pile according to any one of claims 1 to 15;
or,
the charging machine box is additionally provided with a heat dissipation controller, the control end of the fan is connected with the heat dissipation controller, and the heat dissipation controller is used for executing the heat dissipation control method of the charging pile according to any one of claims 1 to 15.
17. The charging pile according to claim 16, further comprising: at least one double-sided heat exchanger; the double-sided heat exchanger is arranged between the charging machine box and the heat dissipation air duct in a penetrating mode.
18. The charging pole according to claim 17, characterized in that the double-sided heat exchanger is arranged at the top or bottom of the charging pole.
19. The charging pile according to claim 17, characterized in that, be provided with in the machine case that charges: the system comprises an ACDC conversion unit, a DCDC conversion unit, an alternating current distribution unit, a direct current distribution unit and a charging controller; wherein:
the input end of the alternating current distribution unit is connected with a power supply, the output end of the alternating current distribution unit is connected with the alternating current side of the ACDC conversion unit, the direct current side of the ACDC conversion unit is connected with the first side of the DCDC conversion unit, the second side of the DCDC conversion unit is connected with the input end of the direct current distribution unit, and the output end of the direct current distribution unit is used as the charging end of the charging pile;
the charging controller is respectively connected with the ACDC conversion unit, the DCDC conversion unit, the alternating current distribution unit and the direct current distribution unit.
20. The charging pole according to claim 19, wherein if said charging box only includes one independent space:
the charging box is divided into two layers by a partition plate, the rear layer is a power conversion part, and the front layer is a power control distribution part;
the partition board is provided with a vent hole.
21. The charging pole according to claim 20, wherein if at least one fan is provided in the charging box, the highest temperature in the charging box is equal to the maximum of the temperature of the ACDC conversion unit, the temperature of the DCDC conversion unit, the temperature of the ac distribution unit, the temperature of the dc distribution unit, and the temperature of the charging controller.
22. The charging pile according to claim 21, characterized in that the fan is arranged between the top of the partition and the top of the rear box of the charging box, or between the bottom of the partition and the bottom of the rear box of the charging box.
23. The charging pile of claim 22, wherein if the number of fans in the charging box is greater than 1, then among the remaining fans in the charging box:
the fan is arranged between the partition plate and the front box body of the charging box; or,
the fan is arranged between the partition plate and the rear box body of the charging box and is close to the double-sided heat exchanger of the target; the target double-sided heat exchanger is a double-sided heat exchanger which is not provided with a fan around one side of the charging box.
24. The charging pile according to claim 17, characterized in that, be provided with in the heat dissipation wind channel: ACDC radiators and DCDC radiators; wherein:
the ACDC radiator is used for guiding heat generated by an ACDC conversion unit in the charging pile into the heat dissipation air duct when the charging pile works;
the DCDC radiator is used for guiding heat generated by a DCDC conversion unit in the charging pile into the heat dissipation air duct when the charging pile works.
25. The charging pole according to claim 24, wherein if at least one fan is provided in the cooling air duct, the maximum temperature in the cooling air duct is equal to the maximum of the temperature of the ACDC radiator and the temperature of the DCDC radiator.
26. A charging pile according to claim 25, characterised in that the fan is provided between the ACDC heat sink and the DCDC heat sink.
27. The charging pile according to claim 26, wherein if the number of the fans in the heat dissipation air duct is greater than 1, the remaining fans in the heat dissipation air duct are preferentially disposed adjacent to the double-sided heat exchanger.
28. The charging pole according to any one of claims 16 to 27, wherein the wind direction in the heat dissipation duct is from top to bottom, or from bottom to top.
29. A charging pile according to any one of claims 16 to 27, characterised in that a chamfered corner is provided at the air inlet of the heat-dissipating air duct.
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| CN202210467741.5A CN114801807A (en) | 2022-04-29 | 2022-04-29 | Charging pile and heat dissipation control method thereof |
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| CN202210467741.5A CN114801807A (en) | 2022-04-29 | 2022-04-29 | Charging pile and heat dissipation control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533796A (en) * | 2023-06-27 | 2023-08-04 | 南京金维鸟智能系统股份有限公司 | Fill electric pile control by temperature change forced air cooling heat dissipation control system |
| CN116552285A (en) * | 2023-07-07 | 2023-08-08 | 深圳市西研科技有限公司 | Cooling control method and device for mobile charging pile |
-
2022
- 2022-04-29 CN CN202210467741.5A patent/CN114801807A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533796A (en) * | 2023-06-27 | 2023-08-04 | 南京金维鸟智能系统股份有限公司 | Fill electric pile control by temperature change forced air cooling heat dissipation control system |
| CN116533796B (en) * | 2023-06-27 | 2023-11-07 | 南京金维鸟智能系统股份有限公司 | Fill electric pile control by temperature change forced air cooling heat dissipation control system |
| CN116552285A (en) * | 2023-07-07 | 2023-08-08 | 深圳市西研科技有限公司 | Cooling control method and device for mobile charging pile |
| CN116552285B (en) * | 2023-07-07 | 2023-09-08 | 深圳市西研科技有限公司 | Cooling control method and device for mobile charging pile |
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