CN116512949B - Vertical charging pile of electric bicycle and control method thereof - Google Patents

Vertical charging pile of electric bicycle and control method thereof Download PDF

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Publication number
CN116512949B
CN116512949B CN202310453828.1A CN202310453828A CN116512949B CN 116512949 B CN116512949 B CN 116512949B CN 202310453828 A CN202310453828 A CN 202310453828A CN 116512949 B CN116512949 B CN 116512949B
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China
Prior art keywords
temperature
air
shell
charging
fan
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CN202310453828.1A
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Chinese (zh)
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CN116512949A (en
Inventor
夏俊鹄
韩志刚
杜欣桐
谢林元
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Shenzhen Shanchongchong New Energy Technology Co ltd
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Shenzhen Shanchongchong New Energy Technology Co ltd
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Publication of CN116512949A publication Critical patent/CN116512949A/en
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Classifications

    • 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
    • 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
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a vertical charging pile of an electric bicycle, which comprises a shell and a charging part arranged on the shell, wherein the shell comprises a front cover part and a rear shell part, the top edge of the front cover part is rotationally connected with the rear shell part through a hinge, a local blowing heat exchange channel sucks air from an air inlet through a ventilating fan, most of the air passes through the upper edge of an electric control group and blows to a cover plate which is obliquely arranged, the air flows into a gas flow space along the oblique direction of the cover plate and a circuit carrier plate after flowing through a display group, and the air flows into the charging group from the bottom of the gas flow space and a gas flow hole and is discharged from the ventilating opening. According to the invention, the heat in the charging pile is effectively radiated through the local blowing heat exchange channel and the integral pumping heat radiation channel, and the local part in the shell is subjected to targeted heat exchange according to the temperature information, so that the effective utilization of heat radiation resources is improved, and the heat exchange efficiency and the safety performance are improved.

Description

Vertical charging pile of electric bicycle and control method thereof
Technical Field
The invention relates to the technical field of charging piles of electric bicycles, in particular to a vertical charging pile of an electric bicycle and a control method thereof.
Background
The electric bicycle is a pure electric bicycle driven by a motor and provided with electric energy by a storage battery (a storage battery), and the storage battery has limited electricity storage capacity, so that the storage battery needs to be charged in time when the storage battery is out of the air, and a charging pile is generated. The in-process that fills electric pile at the charging, fill electric pile internal power module and can produce the heat, if these heat dispel untimely, can lead to filling electric pile inside temperature and rise, influence power module's normal use, charge under the high temperature high heat condition for a long time, the heat can not obtain effectively dispelling, can make filling electric pile catch fire spontaneous combustion, fill electric pile and can not in time report to the police and outage when catching fire spontaneous combustion, can endanger the periphery, can cause secondary disasters such as conflagration, seriously threaten people's life safety.
At present, a charging pile is provided with a plurality of charging sockets for outputting multiple charging ends, so that in order to ensure the heat dissipation performance of the charging pile, a heat dissipation system is generally configured according to a relatively comprehensive or maximum heat dissipation requirement, the heat dissipation performance of the charging pile during full-load charging output is ensured, and all the heat dissipation systems are uniformly started and run at full speed or full power in the starting and charging stage. However, the daily state of the charging pile is in an underloaded output state, namely, only part of charging sockets are used for charging service in a normal state, so that only partial heat generation phenomenon exists in the charging pile, if a heat dissipation system is configured for meeting the heat dissipation performance of the charging pile when the charging pile is fully operated, the heat dissipation configuration of other areas without heat generation can also synchronously operate, and the electric energy loss is higher. Meanwhile, the output power, current and the like among a plurality of charging output ends of the charging pile are different, so that the heat productivity of the charging group is different, and the phenomenon of local temperature unbalance exists, so that the single heat dissipation system is started, the heat dissipation performance and the power consumption are wasted, the heat accumulation is easily caused by the local failure of targeted heat dissipation and the global lack of temperature rise predictive control, and the safety problem is caused.
Disclosure of Invention
The invention provides a vertical charging pile of an electric bicycle and a control method thereof, aiming at the problems that the existing charging pile heat dissipation system is high in loss and short of targeted heat dissipation control and is easy to cause heat accumulation.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a vertical type fills electric pile of electric bicycle, includes the casing and sets up the part that charges at the casing, the casing includes protecgulum portion and back shell portion, the topside end of protecgulum portion pass through the hinge with back shell portion rotates and is connected, wherein:
the front cover part comprises a cover plate which is arranged obliquely outwards from top to bottom, an eave part which is formed by inwards bending and extending the lower part of the cover plate, and an electricity inserting part which is arranged below the eave part, wherein the charging part comprises a charging group which is arranged on the electricity inserting part, a display group which is arranged on the cover plate, and an electric control group which is arranged between the charging group and the display group, the lower edge end of the electric control group is fixed on the eave part, a circuit carrier plate of the electric control group and the obliquely arranged cover plate are arranged in parallel to form a gas flowing space, and a plurality of gas flowing holes are formed in the lower part of the circuit carrier plate;
an air inlet is formed in the upper portion of the rear side wall of the rear shell portion, two sides of the air inlet extend to two side ends of the rear shell portion, a ventilation opening is formed in the bottom wall of the rear shell portion in a penetrating mode, a ventilation fan is arranged on the air inlet, the air inlet and the ventilation fan are both arranged higher than the upper edge end of the electric control group, and therefore the ventilation fan is started to blow air to the air flowing space and then is discharged from the ventilation opening to form a local blowing heat exchange channel;
the local blowing heat exchange channel is used for sucking air from an air inlet by a ventilating fan, most of the air is blown to a cover plate which is obliquely arranged beyond the upper edge end of the electric control group, flows through the display group and then enters the air flow space along the oblique direction of the cover plate and the circuit carrier plate, and the air flows to the charging group from the bottom of the air flow space and the air flow holes and then is discharged from the ventilation opening.
As a further improvement of the invention: the rear shell part comprises a sliding rail transversely arranged at the air inlet, a fan sliding seat assembled on the sliding rail, and a motor and a screw transmission group which drive the fan sliding seat to move on the sliding rail, wherein the ventilation fan is arranged on the fan sliding seat and is driven by the motor and the screw transmission group to move to a set position by the fan sliding seat, and the set position comprises a left end position, a middle position and a right end position which are positioned at the air inlet.
As a further improvement of the invention: the rear shell part is provided with two temperature sensors to acquire temperature information of a left space and a right space in the shell, and the ventilating fan is determined to be positioned at a specific set position currently according to the temperature information to construct a local blowing heat exchange channel;
the electric control group is electrically connected with the temperature sensor, and the motor and the screw rod transmission group are electrically connected with the electric control group so as to receive a control instruction output by the electric control group according to the temperature information and drive the ventilating fan to move to a specific set position.
As a further improvement of the invention: the vertical charging pile further comprises a base and an upright post, the upright post is of a hollow structure, the top of the upright post is fixedly connected with the rear shell part, the space in the shell is communicated with the hollow space in the upright post, the bottom of the upright post is fixed on the base, the side wall of the upright post is provided with an exhaust port, the middle of the upright post is internally provided with an exhaust fan, and the exhaust fan provides negative pressure to extract air in the shell to enter the upright post and then is discharged from the exhaust port to form an integral pumping and discharging heat dissipation channel;
the integral exhaust heat dissipation channel sucks air from the air inlet and the air vent of the rear shell part by the exhaust fan and exchanges heat with the charging part in the shell, and the air in the shell carries heat to be pumped away from the top of the upright post and is exhausted from the exhaust port after passing through the exhaust fan.
As a further improvement of the invention: the exhaust fan is electrically connected with the electric control group, the electric control group outputs a starting signal to the exhaust fan according to temperature information, the exhaust fan provides negative pressure to change the gas flow direction of the vent so as to construct an integral exhaust heat dissipation channel, and air is sucked from the air inlet and the vent so that heat in the air-carrying shell enters the upright post and is discharged from the air outlet.
On the other hand, the invention adopts the following technical scheme: the control method of the upright charging pile of the electric bicycle comprises the following steps of:
obtaining the temperature T in the shell L And temperature T R Said temperature T L And temperature T R Real-time temperature values of a left space and a right space in the shell are respectively acquired by a temperature sensor;
judging the temperature T L Or temperature T R Whether or not it is greater than a preset first target temperature T C When T L ＞T C Or T R ＞T C When the ventilating fan is started, the initial position of the ventilating fan is at the middle position of the set position, and the ventilating fan is startedThe fan blades rotate to blow air to the gas flowing space, the air is discharged through the ventilation opening after heat exchange is carried out by the charging component, and a local blowing heat exchange channel is constructed by gas flowing and heat exchanging in the shell;
monitoring the temperature in the shell and judging the temperature T L Or T R Whether or not it is greater than a preset second target temperature T X When T L ≥T X Or T R ≥T X When the air exhauster is started to provide negative pressure, air is sucked from the air inlet and the ventilation opening, so that heat in the air-carrying shell is pumped away from the top of the upright post and is discharged from the air outlet, and the whole heat of the shell is pumped away by high-flow gas flow to construct a whole pumping heat dissipation channel.
As a further improvement of the present invention, the control method further includes the steps of:
after the ventilating fan is started, the temperature T is obtained L And temperature T R Temperature difference Δt= |t of (2) L -T R I, and judging whether the temperature difference DeltaT exceeds a preset target difference T M To determine whether there is localized heat build-up within the housing or only individual charging component operation, including:
when DeltaT > T M When the local heat accumulation exists in the shell or only the operation condition of the individual charging components exists, the temperature T is judged L And temperature T R According to the judging result, determining the temperature of the left space and the right space in the shell, and outputting a control instruction for the ventilation fan to move to a specific set position by the electric control group according to the judging result, wherein the ventilation fan is driven by the motor and the screw rod transmission group to move to the left end position or the right end position by the fan sliding seat;
when DeltaT is less than or equal to T M And when the ventilation fan is in operation, the current setting position is unchanged.
As a further improvement of the present invention, the determining, based on the determination result, that the temperatures of the left space and the right space in the housing are high and low includes:
said temperature T L For the real-time temperature value of the left space of the shell, the temperature T R Is the real-time temperature value of the right space in the shell,
when DeltaT > T M And T is L ＞T R When the temperature of the left space in the shell is determined to be high, the ventilating fan is controlled to be at the left end position of the set position, and air is blown in a targeted manner and air flow is effectively controlled to perform heat exchange on the charging component of the left space;
when DeltaT > T M And T is L ＜T R When the temperature of the right space in the shell is determined to be high, the ventilating fan is controlled to the right position of the set position, and the charging component in the right space is subjected to heat exchange by purposefully blowing air and effectively controlling air flow;
when DeltaT is less than or equal to T M And when the temperature balance in the shell is effectively controlled by determining the setting position of the current ventilating fan, the ventilating fan is kept to operate, and the current setting position is kept unchanged.
As a further improvement of the present invention, the control method further includes the steps of:
when T is L Or T R ≥T X When the exhaust fan is started to provide negative pressure to pump away the air and heat in the shell so as to construct an integral pumping and exhausting heat dissipation channel, and the temperature T is obtained L And temperature T R The temperature rise pre-judging control in the shell comprises the following steps:
at intervals of Δt, record the temperature T L And temperature T R Respectively T L1 、T L2 、……、T Ln-1 、T Ln And T R1 、T R2 、……、T Rn-1 、T Rn N is the number of interval time periods;
calculating the temperature difference delta T of the front time point and the rear time point of each time period delta T L ＝T Ln -T Ln-1 And a temperature difference DeltaT R ＝T Rn -T Rn-1 And judge the temperature difference DeltaT L Or a temperature difference DeltaT R Whether or not it is greater than the target temperature difference T W ；
When DeltaT is first time L Or DeltaT R ＞T W When the current time period is marked as the target temperature rise time period, and recording T Ln Or T Rn For marking temperature T P The number of recordings n=1, wherein: if DeltaT L And DeltaT R All are greater than T W At the time, the temperature T is taken Ln And temperature T Rn The medium maximum value is recorded as the mark temperature T P ；
When the target temperature rise time period is marked again, the T of the target temperature rise time period is acquired Ln Or T Rn And marking temperature T P Comparison, if T Ln Or T Rn ＞T P When the mark temperature T is updated P ＝T Ln Or T Rn And the number of update recordings n=n+1;
when the updated record times are more than or equal to the target times N P When the temperature rising potential state is established, a wind control step is performed to control the temperature rising potential state.
As a further improvement of the present invention, the wind control step includes:
acquiring real-time output power P of each charging end in the charging group, and when the real-time output power P exceeds the limited output power P max When the current super-power output is started, the power supply of the charging end is cut off;
when no overpower output is found, controlling each charging end of the charging group to charge with half power output, and continuously monitoring the temperature difference between the front time point and the rear time point of the time period delta t, wherein the method comprises the following steps: if the target temperature rise time period is marked again within the preset time, the charging abnormality is considered and an alarm is sent out; if the target temperature rise time period is not generated, recovering normal power output and re-executing the temperature rise pre-judging control step;
when the mark temperature T is updated P At the time, the updated marking temperature T is judged P Whether or not the maximum limit temperature T is exceeded max If T P ≥T max When the charging unit is in the maintenance mode, the operator is required to check or release the maintenance mode on site.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the heat in the charging pile is effectively radiated through the local blowing heat exchange channel and the integral pumping heat radiation channel, and the local part in the shell is subjected to targeted heat exchange according to the temperature information, so that the effective utilization of heat radiation resources is improved, and the heat exchange efficiency and the safety performance are improved. The air flow path of the local blowing heat exchange channel passes through the display group, is positioned between the display group and the electric control group and flows through the charging group, so that heat generated during operation of the charging part can be effectively absorbed, and the heat dissipation efficiency is improved. The whole air pumping and exhausting heat dissipation channel changes the air flow direction of the ventilation opening, negative pressure is provided by the exhaust fan to change the air exhaust direction of the ventilation opening into the air inlet direction when the ventilation fan blows the heat exchange channel locally, air is sucked by the ventilation opening and the air inlet, the whole air flow in the shell is increased, the air flows with the air flow in an air pumping and exhausting mode to carry heat and is exhausted, the heat exchange mode of the local small air flow operation of the local heat exchange channel is changed, and the space in the shell is used as the whole air part to suck a large amount of new air through the air inlet and the ventilation opening to carry out whole replacement, so that the heat dissipation efficiency is improved.
The invention pre-judging and controlling the temperature rise of the charging pile during operation, can effectively identify the potential state of temperature rising, and effectively control the risk of continuous temperature rising, thereby avoiding serious safety problems and loss caused by continuous temperature rising.
Drawings
For a clearer description of the technical solutions, the drawings that are required to be used in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the housing in an unfolded state.
Fig. 3 is a schematic view of another direction structure of the housing in the unfolded state.
Fig. 4 is a schematic cross-sectional structure of the housing.
Detailed Description
In order that the manner in which a fully and completely understood embodiment of the invention may be readily understood, it is intended that the invention be further described in connection with the accompanying drawings, in which it is to be understood that the embodiments described are merely illustrative of some of the invention and that all other embodiments may be made by those skilled in the art without the benefit of the inventive faculty.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Embodiment one:
as shown in fig. 1 to 4, a vertical type charging pile for an electric bicycle comprises a base 100, a stand 200, a housing 300 and a charging member 400 arranged on the housing 300, wherein the housing 300 comprises a front cover part 310 and a rear cover part 320, the top edge end of the front cover part 310 is rotatably connected with the rear cover part 320 through a hinge, a support rod 330 is arranged at one side in the housing, one end of the support rod 330 is rotatably arranged on the front cover part 310, a through groove is arranged on the rod body and extends to the other end of the support rod to form a support part, and the through groove and the support part are slidably connected with a support point of the rear cover part so that the support point on the through groove slides into the support part and is limited by the support part to support the open state of the front cover part when the front cover part is opened. The bottom of the upright 200 is fixed to the base 100, and the top is connected to the rear case 320.
The front cover 310 includes a cover 311 disposed obliquely outward from top to bottom, an eave 312 disposed at a lower portion of the cover 311 and extending to form an inwardly bent eave 312, and an electrical plug 313 disposed below the eave 312, the charging unit 400 includes a charging group 410 disposed at the electrical plug 313, a display group 420 disposed at the cover 311, and an electrical control group 430 disposed between the charging group 410 and the display group 420, a lower edge 431 of the electrical control group 430 is fixed at the eave 312, and a circuit carrier 432 of the electrical control group and the obliquely disposed cover 311 are disposed in parallel to form a gas flow space, and a plurality of gas flow holes 434 are disposed at a lower portion of the circuit carrier 432;
an air inlet 321 is arranged at the upper part of the rear side wall of the rear shell part 320, two sides of the air inlet extend to two side ends of the rear shell part, a ventilation opening 322 is arranged on the bottom wall of the rear shell part in a penetrating way, a ventilation fan 323 is arranged on the air inlet 322, and the air inlet 321 and the ventilation fan 323 are both configured to be higher than the upper edge 433 of the electric control group 430 so that the ventilation fan 323 starts to blow air to a gas flowing space and then is discharged from the ventilation opening 322 to form a local blowing heat exchange channel; the local blowing heat exchange channel sucks air from the air inlet 321 by the ventilating fan 322, most of the air is blown to the obliquely arranged cover plate 311 beyond the upper edge 433 of the electric control group 430, flows through the display group and then enters the air flow space along the oblique direction of the cover plate and the circuit carrier plate, the air is in the heat exchange between the display group and the circuit carrier plate due to the oblique angle of the cover plate, the air after heat exchange flows to the charging group from the bottom of the air flow space and the air flow hole, flows through the main heating part of the charging group, namely the electric contact terminal part (not shown in the figure), exchanges heat at the rear end of the charging group, and then is discharged through the ventilating opening, and the air flow path of the local blowing heat exchange channel passes through the display group and is positioned between the display group and the electric control group and flows through the charging group, so that the air flow can effectively absorb heat generated during the operation of the charging part, thereby improving the heat dissipation efficiency.
The upright post 200 is of a hollow structure, the top is fixedly connected with the rear shell portion 320, the space in the shell is communicated with the hollow space in the upright post, the bottom is fixed on the base, the side wall of the bottom is provided with an exhaust port 210, the middle is internally provided with an exhaust fan (not shown in the figure), and the exhaust fan provides negative pressure to extract air in the shell, enters the upright post and is discharged from the exhaust port to form an integral pumping and discharging heat dissipation channel. The whole air pumping and exhausting heat dissipation channel changes the air flow direction of the vent, negative pressure is provided by the exhaust fan to change the air exhaust direction of the vent into the air inlet direction when the heat exchange channel is locally blown, air is sucked into the vent and the air inlet, the whole air flow in the shell is increased, the heat is carried and exhausted by the air flowing in the air flow in an air pumping and exhausting mode, the heat exchange mode of the local small air flow operation of the local heat exchange channel is changed, and the space in the shell is used as the whole air part to suck a large amount of new air into the air inlet and the vent for integral replacement, so that the heat dissipation efficiency is improved.
Embodiment two:
on the basis of the first embodiment, the present embodiment provides a vertical charging pile for an electric bicycle, where the rear shell portion includes a sliding rail horizontally disposed at the air inlet, a fan sliding seat assembled on the sliding rail, and a motor and a screw driving set for driving the fan sliding seat to move on the sliding rail, the ventilation fan is installed on the fan sliding seat and is driven by the motor and the screw driving set to move to a set position by the fan sliding seat, and the set position includes a left end position, a middle position and a right end position located at the air inlet. The middle position of the set position of the embodiment is the initial position of the ventilation fan when the ventilation fan is started, and is automatically reset to the middle position when the heat dissipation work is finished and the operation is finished, wherein the transmission means for driving the fan sliding seat to slide on the sliding rail by the motor and the screw rod transmission group and the conventional technical means in the prior art are adopted for driving and sliding, and the ventilation fan is driven by the fan sliding seat to move to the left end position or the right end position without repeated description.
The rear shell part is provided with two temperature sensors to acquire temperature information of a left space and a right space in the shell, and the ventilating fan is determined to be positioned at a specific set position currently according to the temperature information to construct a local blowing heat exchange channel; the electric control group is electrically connected with the temperature sensor, and the motor and the screw rod transmission group are electrically connected with the electric control group so as to receive a control instruction output by the electric control group according to the temperature information and drive the ventilating fan to move to a specific set position.
Most of the daily use states of the charging pile are that part of the charging plugs are in charging service, at the moment, the temperature conditions inside the charging pile are that heat is generated by individual charging devices, the operation of a full-power heat dissipation system of the charging pile is not required to be completely started under the condition that heat is generated by single or fewer charging devices, meanwhile, heat accumulation can be caused when heat dissipation is not performed, and further, the safety problem is caused.
According to the embodiment, the temperature information is obtained, when the temperature in the shell meets the heat dissipation starting, the ventilation fan is started to construct the local blowing heat exchange channel, the ventilation fan is started to blow air to the charging component at the middle position for heat exchange, and the gas flow path of the local blowing heat exchange channel can effectively flow through all components of the charging component, so that the heat exchange efficiency is improved; when the temperature information is monitored to be unbalanced in the left space or the right space of the shell, the motor and the screw transmission group drive the fan sliding seat to drive the ventilating fan to move towards the left end position or the right end position of higher temperature, and heat exchange is carried out on the charging component in the shell more pertinently.
In order to solve the problem that the heat dissipation requirement of the current charging pile still cannot be met when the local blowing heat exchange channel is built, the integral pumping heat dissipation channel is built when the temperature is determined to rise according to the temperature information and the condition of starting the exhaust fan is met. The integral exhaust heat dissipation channel sucks air from the air inlet and the air vent of the rear shell part by the exhaust fan and exchanges heat with the charging part in the shell, and the air in the shell carries heat to be pumped away from the top of the upright post and is exhausted from the exhaust port after passing through the exhaust fan.
Specifically, the air exhauster with electrical control group electric connection is by electrical control group is according to temperature information output start signal extremely the air exhauster, the air exhauster provides negative pressure and changes the gas flow direction of vent in order to construct whole drainage heat dissipation passageway, inhales the air in order to make the heat in the air carrying casing get into the stand and discharge from the gas vent from air intake and vent. According to the embodiment, the air exhaust direction of the ventilation opening is changed into the air inlet direction when the local heat exchange channel is blown, the ventilation opening and the air inlet are used for sucking air, the overall air flow in the shell is increased, the air flows in a large air flow mode in a pumping mode to carry heat to be discharged, the heat exchange mode of local small air flow operation of the local heat exchange channel is changed, the space in the shell is used as the overall air part to suck a large amount of new air through the air inlet and the ventilation opening for overall replacement, and the heat dissipation efficiency is improved to meet the heat dissipation requirement.
Embodiment III:
a control method of a vertical charging pile of an electric bicycle comprises the following steps of:
obtaining the temperature T in the shell L And temperature T R Said temperature T L And temperature T R The temperature sensor respectively collects real-time temperature values of the left space and the right space in the shell, and the temperature T L For the real-time temperature value of the left space of the shell, the temperature T R Is the real-time temperature value of the right space in the shell.
Judging the temperature T L Or temperature T R Whether or not it is greater than a preset first target temperature T C When T L ＞T C Or T R ＞T C When the ventilating fan is started, the initial position of the ventilating fan is positioned in the middle of the set position, the fan blades of the ventilating fan rotate to blow air to the air flowing space, the air is discharged through the ventilation opening after heat exchange is carried out by the charging component, and a local blowing heat exchange channel is constructed by air flowing and heat exchange in the shell; the gas flow path of the local blowing heat exchange channel can effectively flow through each device of the charging part, so that the heat exchange efficiency is improved;
monitoring the temperature in the shell and judging the temperature T L Or T R Whether or not it is greater than a preset second target temperature T X When T L ≥T X Or T R ≥T X When the exhaust fan is started to provide negative pressure, air is sucked from the air inlet and the air vent, so that heat in the air-carrying shell is pumped away from the top of the upright post and dischargedAnd the air port is exhausted, and the whole heat of the shell is pumped away by the flow of the large-flow air to construct a whole pumping and exhausting heat dissipation channel. The whole air pumping and exhausting heat dissipation channel changes the air exhausting direction of the ventilation opening into the air inlet direction when the heat exchange channel is locally blown, the ventilation opening and the air inlet suck air, the whole air flow in the shell is increased, the air flows with the air flow in an air pumping and exhausting mode to carry heat to be exhausted, the heat exchange mode of the local small air flow operation of the local heat exchange channel is changed, and the space in the shell is used as the whole air part to suck a large amount of new air through the air inlet and the ventilation opening to carry out whole replacement, so that the heat dissipation efficiency is improved.
In order to improve the heat dissipation resource utilization rate of the embodiment, the heat dissipation requirement of the charging pile is self-adaptive in a more targeted manner, and the control method further comprises the following steps:
after the ventilating fan is started, the temperature T is obtained L And temperature T R Temperature difference Δt= |t of (2) L -T R I, and judging whether the temperature difference DeltaT exceeds a preset target difference T M To determine whether there is localized heat build-up within the housing or only individual charging component operation, including:
when DeltaT > T M When the local heat accumulation exists in the shell or only the operation condition of the individual charging components exists, the temperature T is judged L And temperature T R According to the judging result, the electric control group outputs a control instruction for the ventilation fan to move to a specific set position according to the judging result, the ventilation fan is driven by the fan sliding seat under the driving of the motor and the screw rod transmission group to move to the left end position or the right end position, and the electric control group comprises:
when DeltaT > T M And T is L ＞T R When the temperature of the left space in the shell is determined to be high, the ventilating fan is controlled to be at the left end position of the set position, and air is blown in a targeted manner and air flow is effectively controlled to perform heat exchange on the charging component of the left space;
when DeltaT > T M And T is L ＜T R When the temperature of the right space in the shell is determined to be high and the ventilating fan is controlled to the right position of the set position,the charging component of the right space is subjected to heat exchange by blowing air in a targeted manner and effectively controlling air flow;
when DeltaT is less than or equal to T M And when the temperature balance in the shell is effectively controlled by determining the setting position of the current ventilating fan, the ventilating fan is kept to operate, and the current setting position is kept unchanged.
Embodiment four:
on the basis of the third embodiment, the present embodiment provides a control method for a vertical charging pile of an electric bicycle, which performs predictive control on a continuous rising trend of a temperature during charging in the charging pile, so as to effectively avoid serious safety problems caused by continuous rising of the temperature, and the control method includes the following steps:
when T is L Or T R ≥T X When the exhaust fan is started to provide negative pressure to pump away the air and heat in the shell so as to construct an integral pumping and exhausting heat dissipation channel, and the temperature T is obtained L And temperature T R The temperature rise pre-judging control in the shell comprises the following steps:
at intervals of Δt, record the temperature T L And temperature T R Respectively T L1 、T L2 、……、T Ln-1 、T Ln And T R1 、T R2 、……、T Rn-1 、T Rn N is the number of interval time periods;
calculating the temperature difference delta T of the front time point and the rear time point of each time period delta T L ＝T Ln -T Ln-1 And a temperature difference DeltaT R ＝T Rn -T Rn-1 And judge the temperature difference DeltaT L Or a temperature difference DeltaT R Whether or not it is greater than the target temperature difference T W ；
When DeltaT is first time L Or DeltaT R ＞T W When the current time period is marked as the target temperature rise time period, and recording T Ln Or T Rn For marking temperature T P The number of recordings n=1, wherein: if DeltaT L And DeltaT R All are greater than T W At the time, the temperature T is taken Ln And temperature T Rn The medium maximum value is recorded as the mark temperature T P . That is, when the temperature at the later time point of a certain time period is greater than the temperature at the former time point and the temperature difference is greater than the target temperature difference, the method marksThe time period is a target temperature rise time period, for example, the temperature of the left space of the shell at the front time point is 45 ℃ in a certain time period 10s, the temperature of the left space of the shell at the rear time point is 48 ℃, when the target temperature difference is set to 2.5 ℃, namely, the current time period of 10s is determined to be the target temperature rise time period, and parameters such as temperature information of the target temperature rise time period are used as important reference data for pre-judging control of temperature rise, such as comparison of marking temperature, calculation of recording times and the like.
When the target temperature rise time period is marked again, the T of the target temperature rise time period is acquired Ln Or T Rn And marking temperature T P Comparison, if T Ln Or T Rn ＞T P When the mark temperature T is updated P ＝T Ln Or T Rn And the number of update recordings n=n+1; when the updated record times are more than or equal to the target times N P When the temperature rising potential state is established, a wind control step is performed to control the temperature rising potential state. According to the embodiment, the temperature information change in the time period delta t is used for judging, so that misjudgment of temperature rise caused by parameter jumping in a short time or instantaneous value and the like can be avoided, the accuracy of temperature rise pre-judgment is improved, meanwhile, the temperature rising state can be effectively determined when the temperature is continuously rising by setting and updating the mark temperature as an important pre-judgment reference, and further, a wind control step is executed, and more serious safety accidents and losses caused by the continuous rising of the temperature are avoided.
The wind control step comprises the following steps:
acquiring real-time output power P of each charging end in the charging group, and when the real-time output power P exceeds the limited output power P max When the current power supply of the charging end with the super-power output is cut off, and when the temperature continuously rises, the situation that a user adopts a power strip to increase charging equipment or adopts other unreasonable charging modes such as high-power charging equipment and the like to cause serious heating of a charging component possibly exists, and when the real-time output power super-power output is detected, the power supply of the charging end is cut off.
When no overpower output is found, controlling each charging end of the charging group to charge with half power output, and continuously monitoring the temperature difference between the front time point and the rear time point of the time period delta t, wherein the method comprises the following steps: if the target temperature rise time period is marked again within the preset time, the charging abnormality is considered and an alarm is sent out; if the target temperature rise time period is not generated, recovering normal power output and re-executing the temperature rise pre-judging control step;
when the target temperature rise time period is marked again and the marking temperature T is updated P At the time, the updated marking temperature T is judged P Whether or not the maximum limit temperature T is exceeded max If T P ≥T max When the charging unit is in the maintenance mode, the operator is required to check or release the maintenance mode on site.
According to the embodiment, the temperature rise of the charging pile during operation is pre-judged and controlled, the potential state of temperature rising can be effectively identified, the condition of continuous temperature rising is effectively risk-controlled, and serious safety problems and loss caused by continuous temperature rising are avoided.
The foregoing disclosure is merely illustrative of one or more of the preferred embodiments of the present invention and is not intended to limit the scope of the invention in any way, as it is intended to cover all modifications, variations, uses, or equivalents of the invention that fall within the spirit and scope of the invention.

Claims (10)

1. The utility model provides a stake is filled to upright type of electric bicycle, includes the casing and sets up the part that charges at the casing, the casing includes protecgulum portion and back shell portion, the topside end of protecgulum portion pass through the hinge with back shell portion rotates to be connected, its characterized in that:
the front cover part comprises a cover plate which is arranged obliquely outwards from top to bottom, an eave part which is formed by inwards bending and extending the lower part of the cover plate, and an electricity inserting part which is arranged below the eave part, wherein the charging part comprises a charging group which is arranged on the electricity inserting part, a display group which is arranged on the cover plate, and an electric control group which is arranged between the charging group and the display group, the lower edge end of the electric control group is fixed on the eave part, a circuit carrier plate of the electric control group and the obliquely arranged cover plate are arranged in parallel to form a gas flowing space, and a plurality of gas flowing holes are formed in the lower part of the circuit carrier plate;
an air inlet is formed in the upper portion of the rear side wall of the rear shell portion, two sides of the air inlet extend to two side ends of the rear shell portion, a ventilation opening is formed in the bottom wall of the rear shell portion in a penetrating mode, a ventilation fan is arranged on the air inlet, the air inlet and the ventilation fan are both arranged higher than the upper edge end of the electric control group, and therefore the ventilation fan is started to blow air to the air flowing space and then is discharged from the ventilation opening to form a local blowing heat exchange channel;
the local blowing heat exchange channel is used for sucking air from an air inlet by a ventilating fan, most of the air is blown to a cover plate which is obliquely arranged beyond the upper edge end of the electric control group, flows through the display group and then enters the air flow space along the oblique direction of the cover plate and the circuit carrier plate, and the air flows to the charging group from the bottom of the air flow space and the air flow holes and then is discharged from the ventilation opening.
2. The upright charging pile for electric bicycles of claim 1, wherein: the rear shell part comprises a sliding rail transversely arranged at the air inlet, a fan sliding seat assembled on the sliding rail, and a motor and a screw transmission group which drive the fan sliding seat to move on the sliding rail, wherein the ventilation fan is arranged on the fan sliding seat and is driven by the motor and the screw transmission group to move to a set position by the fan sliding seat, and the set position comprises a left end position, a middle position and a right end position which are positioned at the air inlet.
3. The upright charging pile for electric bicycles of claim 2, wherein: the rear shell part is provided with two temperature sensors to acquire temperature information of a left space and a right space in the shell, and the ventilating fan is determined to be positioned at a specific set position currently according to the temperature information to construct a local blowing heat exchange channel;
the electric control group is electrically connected with the temperature sensor, and the motor and the screw rod transmission group are electrically connected with the electric control group so as to receive a control instruction output by the electric control group according to the temperature information and drive the ventilating fan to move to a specific set position.
4. The upright charging pile for electric bicycles of claim 1, wherein: the vertical charging pile further comprises a base and an upright post, the upright post is of a hollow structure, the top of the upright post is fixedly connected with the rear shell part, the space in the shell is communicated with the hollow space in the upright post, the bottom of the upright post is fixed on the base, the side wall of the upright post is provided with an exhaust port, the middle of the upright post is internally provided with an exhaust fan, and the exhaust fan provides negative pressure to extract air in the shell to enter the upright post and then is discharged from the exhaust port to form an integral pumping and discharging heat dissipation channel;
the integral exhaust heat dissipation channel sucks air from the air inlet and the air vent of the rear shell part by the exhaust fan and exchanges heat with the charging part in the shell, and the air in the shell carries heat to be pumped away from the top of the upright post and is exhausted from the exhaust port after passing through the exhaust fan.
5. The upright type charging pile for electric bicycle according to claim 4, wherein: the exhaust fan is electrically connected with the electric control group, the electric control group outputs a starting signal to the exhaust fan according to temperature information, the exhaust fan provides negative pressure to change the gas flow direction of the vent so as to construct an integral exhaust heat dissipation channel, and air is sucked from the air inlet and the vent so that heat in the air-carrying shell enters the upright post and is discharged from the air outlet.
6. A control method of a vertical charging pile of an electric bicycle is characterized by comprising the following steps of: a vertical type charging pile comprising an electric bicycle according to any one of claims 1 to 5, comprising the steps of:
obtaining the temperature T in the shell L And temperature T R Said temperature T L And temperature T R Real-time temperature values of a left space and a right space in the shell are respectively acquired by a temperature sensor;
judging the temperature T L Or temperature T R Whether or not it is greater than a preset first target temperature T C When T L ＞T C Or T R ＞T C When starting upThe initial position of the ventilation fan is positioned in the middle of the set position when the ventilation fan is started, the fan blades of the ventilation fan rotate to blow air to the gas flow space, the air is discharged through the ventilation opening after heat exchange is carried out by the charging component, and a local blowing heat exchange channel is constructed by gas flow heat exchange in the shell;
monitoring the temperature in the shell and judging the temperature T L Or T R Whether or not it is greater than a preset second target temperature T X When T L ≥T X Or T R ≥T X When the air exhauster is started to provide negative pressure, air is sucked from the air inlet and the ventilation opening, so that heat in the air-carrying shell is pumped away from the top of the upright post and is discharged from the air outlet, and the whole heat of the shell is pumped away by high-flow gas flow to construct a whole pumping heat dissipation channel.
7. The method for controlling a vertical type charging pile of an electric bicycle according to claim 6, further comprising the steps of:
after the ventilating fan is started, the temperature T is obtained L And temperature T R Temperature difference Δt= |t of (2) L -T R I, and judging whether the temperature difference DeltaT exceeds a preset target difference T M To determine whether there is localized heat build-up within the housing or only individual charging component operation, including:
when DeltaT > T M When the local heat accumulation exists in the shell or only the operation condition of the individual charging components exists, the temperature T is judged L And temperature T R According to the judging result, determining the temperature of the left space and the right space in the shell, and outputting a control instruction for the ventilation fan to move to a specific set position by the electric control group according to the judging result, wherein the ventilation fan is driven by the motor and the screw rod transmission group to move to the left end position or the right end position by the fan sliding seat;
when DeltaT is less than or equal to T M And when the ventilation fan is in operation, the current setting position is unchanged.
8. The method for controlling a vertical type charging pile of an electric bicycle according to claim 7, wherein determining the high and low temperatures of the left space and the right space in the housing according to the determination result comprises:
said temperature T L For the real-time temperature value of the left space of the shell, the temperature T R Is the real-time temperature value of the right space in the shell,
when DeltaT > T M And T is L ＞T R When the temperature of the left space in the shell is determined to be high, the ventilating fan is controlled to be at the left end position of the set position, and air is blown in a targeted manner and air flow is effectively controlled to perform heat exchange on the charging component of the left space;
when DeltaT > T M And T is L ＜T R When the temperature of the right space in the shell is determined to be high, the ventilating fan is controlled to the right position of the set position, and the charging component in the right space is subjected to heat exchange by purposefully blowing air and effectively controlling air flow;
when DeltaT is less than or equal to T M And when the temperature balance in the shell is effectively controlled by determining the setting position of the current ventilating fan, the ventilating fan is kept to operate, and the current setting position is kept unchanged.
9. The method for controlling a vertical type charging pile of an electric bicycle according to claim 6, further comprising the steps of:
when T is L Or T R ≥T X When the exhaust fan is started to provide negative pressure to pump away the air and heat in the shell so as to construct an integral pumping and exhausting heat dissipation channel, and the temperature T is obtained L And temperature T R The temperature rise pre-judging control in the shell comprises the following steps:
at intervals of Δt, record the temperature T L And temperature T R Respectively T L1 、T L2 、……、T Ln-1 、T Ln And T R1 、T R2 、……、T Rn-1 、T Rn N is the number of interval time periods;
calculating the temperature difference delta T of the front time point and the rear time point of each time period delta T L ＝T Ln -T Ln-1 And a temperature difference DeltaT R ＝T Rn -T Rn-1 And judge the temperature difference DeltaT L Or a temperature difference DeltaT R Whether or not it is greater than the target temperature difference T W ；
When DeltaT is first time L Or DeltaT R ＞T W When the current time period is marked as the target temperature rise time period, and recording T Ln Or T Rn For marking temperature T P The number of recordings n=1, wherein: if DeltaT L And DeltaT R All are greater than T W At the time, the temperature T is taken Ln And temperature T Rn The medium maximum value is recorded as the mark temperature T P ；
When the target temperature rise time period is marked again, the T of the target temperature rise time period is acquired Ln Or T Rn And marking temperature T P Comparison, if T Ln Or T Rn ＞T P When the mark temperature T is updated P ＝T Ln Or T Rn And the number of update recordings n=n+1;
when the updated record times are more than or equal to the target times N P When the temperature rising potential state is established, a wind control step is performed to control the temperature rising potential state.
10. The method for controlling a vertical type charging pile of an electric bicycle according to claim 9, wherein the wind control step comprises:
acquiring real-time output power P of each charging end in the charging group, and when the real-time output power P exceeds the limited output power P max When the current super-power output is started, the power supply of the charging end is cut off;
when no overpower output is found, controlling each charging end of the charging group to charge with half power output, and continuously monitoring the temperature difference between the front time point and the rear time point of the time period delta t, wherein the method comprises the following steps: if the target temperature rise time period is marked again within the preset time, the charging abnormality is considered and an alarm is sent out; if the target temperature rise time period is not generated, recovering normal power output and re-executing the temperature rise pre-judging control step;
when the mark temperature T is updated P At the time, the updated marking temperature T is judged P Whether or not the maximum limit temperature T is exceeded max If T P ≥T max When the charging unit is disconnectedAnd the output of the charging group and the display group of the part gives an alarm to enter a maintenance mode, and a worker is required to check or release the maintenance mode on site.
CN202310453828.1A 2023-04-25 2023-04-25 Vertical charging pile of electric bicycle and control method thereof Active CN116512949B (en)

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CN210399170U (en) * 2019-07-04 2020-04-24 青岛海尔空调器有限总公司 Wall-mounted air conditioner indoor unit
CN114750622A (en) * 2022-05-13 2022-07-15 广东兴国新能源科技有限公司 Energy-saving high-efficient radiating electric pile that fills
CN217944944U (en) * 2022-06-20 2022-12-02 亿恒新能源科技(深圳)有限公司 Heat dissipation improved generation double gun direct current fills electric pile
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