WO2022143944A1 - Dispositif de connexion électrique, bac de charge et procédé de commande pour mouvement de connexion électrique - Google Patents

Dispositif de connexion électrique, bac de charge et procédé de commande pour mouvement de connexion électrique Download PDF

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Publication number
WO2022143944A1
WO2022143944A1 PCT/CN2021/143286 CN2021143286W WO2022143944A1 WO 2022143944 A1 WO2022143944 A1 WO 2022143944A1 CN 2021143286 W CN2021143286 W CN 2021143286W WO 2022143944 A1 WO2022143944 A1 WO 2022143944A1
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WIPO (PCT)
Prior art keywords
connection device
electrical connection
connecting device
detection
trigger
Prior art date
Application number
PCT/CN2021/143286
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English (en)
Chinese (zh)
Inventor
张建平
陈新雨
廖鹏
陈志民
陈志浩
Original Assignee
奥动新能源汽车科技有限公司
上海电巴新能源科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN202011628549.7A external-priority patent/CN114696391A/zh
Priority claimed from CN202011635353.0A external-priority patent/CN114696400A/zh
Application filed by 奥动新能源汽车科技有限公司, 上海电巴新能源科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Publication of WO2022143944A1 publication Critical patent/WO2022143944A1/fr

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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the invention relates to an electrical connection device, a charging bin and a control method for the movement of the electrical connection.
  • the existing battery installation methods of electric vehicles are generally divided into fixed type and replaceable type.
  • the fixed battery is generally fixed on the vehicle, and the vehicle is directly used as the charging object when charging.
  • the replaceable battery is generally installed in a movable way. The battery can be removed at any time and put into the charging compartment for replacement or charging. After the replacement or charging is completed, it is installed on the vehicle body.
  • the battery pack is placed on the charging rack, and the electrical connection is realized by relying on the battery pack's own gravity to drive the electrical connector to move downward.
  • the moving distance that needs to drive the electrical connector is also different. Therefore, in order to adapt to a variety of battery pack models, the same charging compartment cannot use the previous method of driving the electrical connector to move by the battery pack's own gravity. It is necessary to drive the electrical connector to move a corresponding distance according to the length of different types of battery packs.
  • the first driving member is arranged on the charging terminal
  • the second driving member is arranged on the battery
  • the first driving member and the second driving member are attracted by electromagnetic induction to control the movement of the charging terminal
  • the electrical connection part and the battery are turned on; the reset part drives the first driving part away from the second driving part to realize the disconnection of the electrical connection part and the battery.
  • the driving parts need to avoid the high and low voltage lines, and the driving parts that cooperate with each other are arranged on the charging terminal and the battery, respectively.
  • two sides of the charging terminal are used on each side of the charging terminal.
  • the two pairs of driving elements drive the same charging terminal at the same time, which is prone to asynchrony, resulting in that the electrical connection device cannot move in parallel, and the pressing force on one side of the electrical connection device is greater than the pressing force on the other side.
  • the electrical connection is unstable; at the same time, it is impossible to accurately drive the charging terminal to move the corresponding distance according to the length of the battery packs of different types, resulting in poor movement accuracy, which further leads to poor electrical connection stability.
  • the technical problem to be solved by the present invention is to overcome the situation in the prior art that the movement of the electrical connecting device is prone to be out of synchronization, resulting in the electrical connecting device not being able to move in parallel, and the pressing force on one side of the electrical connecting device is greater than the pressing force on the other side.
  • an electrical connection device, a charging compartment and a control method for the movement of the electrical connection are provided.
  • a second connection device configured to move within the electrical connection device for electrical connection with the first connection device
  • a driving mechanism for driving the second connection device to move within the electrical connection device
  • the detection mechanism is used to trigger a control signal when the second connection device moves to a preset position in the electrical connection device, and the control signal is used to control the second connection device to stop moving.
  • the second connecting device is detected by the detection mechanism to control the second connecting device to stop moving, and the second connecting device is precisely controlled to move in place and electrically connected to the first connecting device, which effectively avoids the second connection.
  • the electrical connection between the device and the first connecting device excessive extrusion occurs when the device moves forward, which greatly improves the safety and stability of the electrical connecting device.
  • the driving mechanism includes a telescopic portion, the telescopic portion is connected with the second connecting device, and the second connecting device is driven to move within the electrical connecting device through the telescopic portion;
  • the detection mechanism is arranged between the telescopic portion and the second connection device.
  • the installation and setting of the detection mechanism are very convenient, and the detection by the detection mechanism is accurate and easy to control.
  • the second connection device includes a fixed plate, a floating plate, at least one elastic member and a plurality of poles, the fixed plate is connected to the driving mechanism, and the floating plate is movably mounted on the elastic member through the elastic member.
  • a plurality of the poles are mounted on the floating plate, the poles have an electrical contact terminal and a terminal, and the electrical contact terminal is used for connecting with the first
  • the device contacts to form an electrical connection, and the terminal penetrates the fixing plate and is used for connecting with the power cable;
  • the detection mechanism is arranged between the fixed plate and the floating plate, and/or the detection mechanism is arranged at the electrical contact end of the pole.
  • the floating plate is movably connected to the fixed plate through the elastic member, which improves the fault tolerance between the second connecting device and the first connecting device, and makes the electrical connection more stable.
  • the pole will not be in contact with the fixing plate, which further improves the safety and stability of the electrical connection device.
  • the installation and setting of the detection mechanism are very convenient, and the detection by the detection mechanism is accurate and easy to control.
  • the driving mechanism includes a retractable flexible casing, two ends of the flexible casing are respectively connected to the electrical connection device and the second connection device, and are driven by the expansion and contraction of the flexible casing.
  • the second connection means moves within the electrical connection means;
  • the detection mechanism is arranged between the flexible housing and the electrical connection device, and/or the detection mechanism is arranged between the flexible housing and the second connection device.
  • the above-mentioned structural form is adopted, and the movement of the second connection device is driven by the flexible casing to realize the electrical connection, which has the advantages of precise control, good flexibility and high stability, and effectively avoids the phenomenon of offset and dislocation during the electrical connection process. , greatly improving the safety and reliability of the electrical connection device.
  • the retractable and flexible shell occupies less space when it is not inflated. Under the condition that the overall space remains unchanged, the use of the driving mechanism realizes that the second connecting device has a longer effective movement stroke.
  • the installation and setting of the detection mechanism are very convenient, and the detection by the detection mechanism is accurate and easy to control.
  • the detection mechanism includes a pressure sensor, and when the pressure sensor detects that the pressure value is equal to a preset value, the control signal is triggered and used to control the drive mechanism to stop stretching.
  • the driving mechanism includes a flexible casing, and the flexible casing has a cavity; one end of the flexible casing is fixedly arranged in the charging compartment, and the other end of the flexible casing is connected to the first The two connecting devices are connected; the volume of the flexible shell is proportional to the volume of the gas in the cavity;
  • the driving mechanism controls the gas volume in the cavity to drive both the flexible shell and the second connecting device to move in a direction close to or away from the first connecting device, so that the second connecting device moves in a direction close to or away from the first connecting device.
  • the connection device is electrically connected or disconnected from the first connection device.
  • the flexible housing drives the movement of the second connecting device to realize electrical connection, which has the advantages of precise control, good flexibility and high stability, and effectively avoids electrical
  • the phenomenon of offset and dislocation occurs during the connection process, which greatly improves the safety and reliability of the electrical connection device with the flexible drive structure.
  • the drive mechanism with the flexible housing occupies less space when it is not inflated. Under the condition that the overall space remains unchanged, the second connection device of the electrical connection device using the drive mechanism has a longer effective movement stroke.
  • the electrical connection device with a flexible driving structure further comprises a connection device bearing surface, and the connection device bearing surface is used to carry the second connection device and the driving mechanism, and the second connection device is located there.
  • the driving mechanism moves along the bearing surface of the connecting device under the driving of the driving mechanism, so that the second connecting device and the first connecting device are electrically connected.
  • the bearing surface of the connecting device has a supporting and limiting function
  • the second connecting device moves on the bearing surface of the connecting device, which effectively avoids the phenomenon of offset and dislocation of the second connecting device during the movement process. , which ensures the electrical connection or disconnection between the second connection device and the first connection device, and greatly improves the safety and stability of the electrical connection device with a flexible drive structure.
  • the connecting device bearing surface includes a flat plate and a vertical plate, the vertical plate is vertically connected to one end of the flat plate, the driving mechanism and the second connecting device are arranged on the flat plate, and the One end of the flexible casing is fixedly connected to the vertical plate.
  • the flat plate is used to provide a moving support surface for the second connecting device
  • the flexible housing is fixedly connected between the vertical plate and the second connecting device, so that the electrical connecting device with the flexible driving structure is installed Easy to connect and high stability.
  • reinforcing plates are respectively connected between the two sides of the flat plate and the vertical plate, the flexible casing is located between the two reinforcing plates, and the flexible casing is arranged to be When the volume of the flexible casing changes, the two reinforcing plates are avoided.
  • the reinforcing plate has a reinforcing effect, which effectively strengthens the overall structural strength of the bearing surface of the connecting device, and the support and connection strength is high, which avoids the deformation of the bearing surface of the connecting device, and greatly improves the bearing surface of the connecting device. Safety and stability of the electrical connection device.
  • the two reinforcing plates are located on both sides of the flat plate, which can limit the expansion range of the flexible shell to both sides and avoid interference.
  • the flexible shell is an airbag, and both ends of the flexible shell are respectively flat;
  • one end of the flexible shell is used for connecting with the vertical plate, and the other end of the flexible shell is used for connecting with the second connecting device.
  • the above-mentioned structural form is adopted, so that the flexible shell acts on the second connecting device through the plane force, the force area is large, and the second connecting device can be stably driven to move, so that the movement stability of the second connecting device is higher.
  • the structure is simple, the cost is low, and the service life is long.
  • the electrical connection device with a flexible driving structure further comprises at least one guide mechanism, and the guide mechanism is used to guide the second connection device, so that the second connection device is positioned in the charging compartment. move along the preset path.
  • the guiding mechanism has a guiding function, which ensures that the second connecting device moves along the preset path, realizes the precise electrical connection between the second connecting device and the first connecting device, and effectively avoids the second connecting device.
  • the phenomenon of offset and dislocation occurs during the moving process, which greatly improves the safety and stability of the electrical connection device with the flexible driving structure.
  • the driving mechanism is connected to the middle position of the second connecting device, the number of the guiding mechanisms is two, and the two guiding mechanisms are symmetrically arranged on both sides of the driving mechanism.
  • the second connecting device is driven to move in the direction of approaching or away from the first connecting device by the force of the driving mechanism at the middle position of the second connecting device, and the second connecting device is driven by the two guiding mechanisms to The connecting device is guided so that the second connecting device moves smoothly, effectively avoiding the occurrence of unequal pressing forces on the second connecting device, and greatly improving the safety and stability of the electrical connecting device with a flexible drive structure.
  • the guide mechanism includes a guide rod and a guide block, the guide rod is extended along the direction of the preset path, the guide block is connected with the guide rod and can be telescopically moved relative to the guide block.
  • One of the guide rods is connected with the second connecting device, and the guide block and the other one of the guide rods are fixedly arranged.
  • the guide rod and the guide block have a guiding and limiting function, and the second connecting device moves along the preset path through the telescopic movement of the guide rod on the guide block, the structure is simple, and the installation is very convenient.
  • the number of the guide mechanisms is two, the two guide mechanisms are symmetrically arranged on both sides of the drive mechanism, and the two guide blocks are respectively connected to the two sides of the drive mechanism.
  • the above-mentioned structural form is adopted, and the two guide mechanisms are symmetrically arranged, so that the two ends of the second connecting device are uniformly stressed, so that the movement of the second connecting device is more stable.
  • the modularization between the guiding mechanism and the driving mechanism is realized, and the use is more convenient.
  • the second connection device includes a fixed plate, a floating plate, at least one elastic member and a plurality of poles, the fixed plate is connected to the flexible housing, and the floating plate is movably installed by the elastic member On the first side surface of the fixed plate, a plurality of the poles are mounted on the floating plate, the poles have electrical contact terminals and terminals, and the electrical contact terminals are used for connecting with the first
  • the connection device contacts to form an electrical connection, and the terminal penetrates the fixing plate and is used for connecting with the power cable.
  • the floating plate is movably connected to the fixed plate through the elastic member, so that the electrical connection between the second connection device and the first connection device is more stable.
  • the pole will not be in contact with the fixing plate, which further improves the safety and stability of the electrical connection device with the flexible driving structure.
  • the flexible casing is connected to a second side surface of the fixing plate, and the second side surface is opposite to the first side surface.
  • the floating plate and the flexible casing are respectively disposed on both sides of the fixed plate and are respectively connected with the first side surface and the second side surface of the fixed plate, so that the flexible casing is driven and floated.
  • the plates move, they will not contact each other and cause interference, which greatly improves the safety and stability of the electrical connection device with the flexible drive structure.
  • the arrangement along the thickness direction of the fixed plate can effectively avoid occupying space resources in the height direction, the structure is more compact, and the space occupied is small, and the number of electrical connection devices with flexible driving structures in the height direction of the charging compartment can be realized.
  • the electrical connection device with a flexible driving structure further includes a connection bracket, and the end of the flexible housing is connected with the second side surface of the fixing plate through the connection bracket, so that the flexible The housing avoids the terminals.
  • the end of the flexible casing acts on the connecting bracket instead of directly acting on the fixing plate, so that the flexible casing and the terminal passing through the fixing plate avoid each other, greatly reducing
  • the safety and stability of the electrical connection device with the flexible driving structure is improved; at the same time, the installation and setting are very convenient.
  • the connecting bracket includes a connecting plate and two connecting columns, the first side of the connecting plate is connected to the flexible housing, and one end of the two connecting columns is symmetrically connected to the two connecting plates respectively. Both ends of the second side surface, the first side surface and the second side surface are arranged opposite to each other, and the other ends of the two connecting columns are connected to the second side surface of the fixing plate and are respectively arranged on a plurality of the both sides of the terminal.
  • the two connecting columns are used to transmit the force and act respectively on the second side surface of the fixing plate and are respectively arranged on both sides of the plurality of terminals, effectively avoiding the terminals, and the two The connecting columns are symmetrically arranged, and the force on both sides of the fixed plate is uniform, and the movement is more stable.
  • a charging compartment includes the above-mentioned electrical connection device with a flexible driving structure.
  • the above-mentioned structural form has the advantages of precise control, good flexibility and high stability, effectively avoiding the phenomenon of offset and dislocation during the electrical connection process, and greatly improving the safety and reliability of the charging bin.
  • the charging compartment further includes a detection mechanism, and the detection mechanism is used to trigger a control signal when the second connection device moves to a preset position in the charging compartment, and the control signal is used to control the charging compartment.
  • the second connecting device stops moving.
  • the above-mentioned structural form is adopted to effectively avoid excessive extrusion during the electrical connection between the second connecting device and the first connecting device, and prevent the damage of the second connecting device and the first connecting device.
  • the precise control of the movement of the second connecting device in place greatly improves the safety and stability of the charging compartment.
  • the detection mechanism is arranged between the flexible casing and the charging compartment, and/or the detection mechanism is arranged between the flexible casing and the second connection device.
  • the detection mechanism includes a pressure sensor, and when the pressure sensor detects that the pressure value is equal to a preset value, the control signal is triggered and used to control the driving mechanism to stop changing the gas volume in the cavity.
  • the detection mechanism includes a detection member and a trigger member, one of the detection member and the trigger member is arranged on the second connection device, and the other is arranged at the location of the second connection device.
  • the control signal is triggered by matching the detection element with the trigger element, and the control signal is used to control the second connection device to stop moving.
  • the above-mentioned structural form is adopted, and the triggering control signal is matched by the detecting element and the triggering element, which effectively avoids the over-extrusion phenomenon when the second connecting device and the first connecting device move forward during the electrical connection, and prevents the first connecting device from moving forward.
  • the damage of the second connecting device and the first connecting device realizes precise control of the movement of the second connecting device in place, the detection accuracy is high, the control is convenient, and the safety and stability of the electrical connecting device is greatly improved.
  • one of the detection element and the trigger element is arranged on the moving path of the second connection device in the electrical connection device, and the number is multiple and arranged at intervals;
  • the other one of the detection piece and the trigger piece is arranged on the second connection device;
  • the second connection device moves along a preset path in the electrical connection device, and the detection element triggers a corresponding number of trigger signals according to the times of matching with the trigger element.
  • connection device has a wide range of applications.
  • the detection mechanism triggers a corresponding control signal according to the received number of trigger signals triggered by the detection element, so as to control the second connection device to stop moving.
  • the driving mechanism drives the second connection device to move, and only the detection pieces corresponding to the battery packs can be triggered and controlled by the triggering piece. Therefore, there is no need to count the number of trigger signals between the trigger element and the detection element, the use is more convenient, and the precision is high.
  • the electrical connection device further includes a control unit for acquiring battery pack model information, the control unit generates a control signal according to the trigger signal corresponding to the battery pack model information received by the detection mechanism, and controls the battery pack.
  • the second connecting device stops moving.
  • the above structural form is adopted, and the battery pack model information is obtained through the control unit, and the control unit will receive the trigger signal corresponding to the battery pack model information according to the detection mechanism, so that the trigger element and the detection element are matched to trigger the generation control. signal, thereby accurately controlling the second connecting device to stop moving, realizing accurate charging of different types of battery packs, and greatly improving the safety and reliability of the electrical connecting device.
  • the detection element is arranged on the moving path of the second connection device in the electrical connection device, and the trigger element is arranged on the second connection device.
  • the detection element will generate a signal, and the signal line needs to be connected.
  • the fixed arrangement is convenient and the signal line is not easily damaged.
  • the detection mechanism includes a proximity switch, a mechanical switch, a photoelectric switch or a magnetic switch.
  • one of a proximity switch, a mechanical switch, a photoelectric switch or a magnetic switch is used as the detection mechanism, which greatly improves the selection range of the detection mechanism, and can flexibly set different types of testing facility.
  • a charging case includes the above-mentioned electrical connection device.
  • the above-mentioned structural form has the advantages of precise control, good flexibility and high stability, effectively avoiding the phenomenon of offset and dislocation during the electrical connection process, and greatly improving the safety and reliability of the charging bin.
  • the charging bin further includes:
  • the battery carrying surface is used to carry the battery pack
  • a battery sensor for detecting whether there is a battery pack on the battery bearing surface
  • the control unit is used for signal connection with the battery sensor and the driving mechanism.
  • a control method for electrical connection movement which utilizes the above-mentioned charging bin, and the control method includes the following steps:
  • the detection mechanism triggers the control signal and sends it to the drive mechanism when the second connection device moves to a preset position
  • the driving mechanism receives the control signal and stops driving the second connecting device to move in the charging compartment in a direction close to the first connecting device.
  • the preset position is the position where the second connecting device is electrically connected with the first connecting device, which is used to control the second connecting device to stop moving, effectively preventing the second connecting device from being connected to the first connecting device.
  • the detection mechanism includes a pressure sensor
  • the detection mechanism triggering the control signal and sending it to the driving mechanism includes: the detection mechanism detects the pressure value of the external force received by the pressure sensor through the pressure sensor. , and when the pressure value is greater than or equal to a preset value, the control signal is triggered.
  • the above-mentioned structural form is adopted, and the driving mechanism is controlled by the pressure sensor to detect the magnitude of the pressure.
  • the detection accuracy is high and the control is convenient.
  • the detection mechanism includes a detection member and a trigger member, one of the detection member and the trigger member is arranged on the second connection device, and the other is arranged on the second connection device at the On the moving path in the charging compartment;
  • the step of triggering the control signal and sending the control signal to the driving mechanism by the detection mechanism when the second connection device moves to a preset position includes: the detection mechanism is based on the matching of the detection element and the trigger element. trigger to trigger the control signal.
  • the above-mentioned structural form is adopted, and the triggering control signal is matched by the detecting element and the triggering element, so as to realize the precise control of the movement of the second connecting device in place, prevent the damage of the second connecting device and the first connecting device, and have high detection accuracy. , easy to control.
  • the number of the detection pieces or the trigger pieces arranged on the moving path of the second connection device in the charging compartment is multiple and arranged at intervals;
  • the step of triggering the detection mechanism to trigger the control signal according to the matching of the detection element and the triggering element includes: the detection mechanism determines the number of triggering signals triggered by the matching of the detection element and the triggering element. the moving distance of the second connection device, and trigger the corresponding control signal according to the number of the trigger signals.
  • the above-mentioned structural form is adopted to determine the moving distance of the second connecting device by the number of triggering signals of the triggering element and the detecting element, so as to precisely control the moving distance of the second connecting device, and realize the realization of different types of battery packs. It can be charged at any time and has a wide range of applications.
  • the step further includes: acquiring battery pack model information;
  • a control signal is generated to control the second connection device to stop moving.
  • the above-mentioned structural form is adopted, by acquiring the battery pack model information, and according to the trigger signal corresponding to the battery pack model information received by the detection mechanism, the second connection device is precisely controlled to stop moving, so as to realize the detection of different types of battery packs. Precise charging for a wide range of applications.
  • the detection mechanism detects the second connection and connection device to control the second connection and connection device to stop moving, and precisely controls the second connection and connection device to move in place and connect with the first connection and connection device.
  • the connection device is electrically connected, which effectively avoids excessive extrusion when the second connection device and the first connection device are electrically connected, and greatly improves the safety and stability; by controlling the gas volume in the cavity, the flexibility
  • the housing drives the movement of the second connection device to realize electrical connection, which has the advantages of precise control, good flexibility and high stability, effectively avoids offset and dislocation during the electrical connection process, and greatly improves the safety and reliability of the electrical connection device.
  • the drive mechanism with the flexible housing occupies less space when it is not inflated. Under the condition that the overall space remains unchanged, the second connection device of the electrical connection device using the drive mechanism has a longer effective movement stroke.
  • FIG. 1 is a schematic structural diagram of an electrical connection device according to Embodiment 1 of the present invention.
  • FIG. 2 is a partial three-dimensional schematic diagram of the electrical connection device according to Embodiment 1 of the present invention.
  • FIG. 3 is a partial structural schematic diagram of the electrical connection device according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural diagram of an electrical connection device according to Embodiment 2 of the present invention.
  • FIG. 5 is a partial structural schematic diagram of an electrical connection device according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic diagram of an exploded structure of a second connection device of the electrical connection device according to Embodiment 2 of the present invention.
  • FIG. 7 is a flowchart of a method for controlling movement of an electrical connection according to Embodiment 3 of the present invention.
  • Second connection device 1 fixed plate 11, connection port 111, limit hole 112, floating plate 12, limit post 121, elastic member 13, pole 14, drive mechanism 2, flexible housing 21, detection mechanism 3, pressure Sensor 31, trigger member 32, detection member 33, battery bearing surface 4, connecting device bearing surface 5, flat plate 51, vertical plate 52, reinforcing plate 53, guide mechanism 6, guide rod 61, guide block 62, connecting bracket 7, connection Plate 71, connecting column 72
  • the electrical connection device of the embodiment of the present invention is used to carry and charge a battery pack, and the battery pack has a first connection device.
  • the electrical connection device includes a second connection device 1, a drive mechanism 2 and a detection mechanism 3.
  • the second connection device 1 is configured to move within the electrical connection device to be electrically connected to the first connection device; the drive mechanism 2 is used to drive the second connection device.
  • the connecting device 1 moves in the electrical connecting device; the detection mechanism 3 is used to trigger a control signal when the second connecting device 1 moves to a preset position in the electrical connecting device, and the control signal is used to control the second connecting device 1 to stop moving.
  • the driving mechanism 2 is used for providing driving force and driving the second connecting device 1 to move in a direction close to or away from the first connecting device.
  • the second connecting device 1 When in use, the second connecting device 1 is driven to move in a direction close to the first connecting device by the driving mechanism 2, so that the second connecting device 1 is electrically connected with the first connecting device.
  • the second connecting device 1 moves
  • the detection mechanism 3 When the preset position is reached, the detection mechanism 3 will detect and send out a control signal, and the control signal will be used to control the driving mechanism 2 to stop providing driving force, and correspondingly control the second connecting device 1 to stop moving.
  • the second connecting device 1 When the electrical connection needs to be disconnected, the second connecting device 1 is driven to move in a direction away from the first connecting device by the driving mechanism 2, so that the electrical connection between the second connecting device 1 and the first connecting device is disconnected from each other.
  • the detection mechanism 3 detects the second connection device 1 to control the second connection device 1 to stop moving, precisely controls the second connection device 1 to move in place and is electrically connected to the first connection device, effectively preventing the second connection device 1 from being connected to the first connection device.
  • an excessive extrusion phenomenon occurs when the devices move forward, which greatly improves the safety and stability of the electrical connection device.
  • the driving mechanism 2 includes a retractable flexible casing 21 , two ends of the flexible casing 21 are respectively connected to the electrical connection device and the second connecting device 1 , and the second connection is driven by the expansion and contraction of the flexible casing 21 .
  • the device 1 moves within the electrical connection device.
  • the flexible casing 21 has a cavity, and the overall volume of the flexible casing 21 is changed by controlling the gas in the cavity, so as to drive the second connecting device 1 to move in a direction close to or away from the first connecting device, so that the second The connection device 1 is electrically connected or disconnected from the first connection device.
  • the flexible housing 21 drives the movement of the second connection device 1 to realize electrical connection, which has the advantages of precise control, good flexibility and high stability, and effectively avoids the phenomenon of offset and dislocation during the electrical connection process. , greatly improving the safety and reliability of the electrical connection device.
  • the drive mechanism 2 with the flexible housing 21 occupies less space when it is not inflated. Under the condition that the overall space remains unchanged, the drive mechanism 2 realizes that the second connecting device 1 has a longer effective movement stroke.
  • the detection mechanism 3 is disposed between the flexible housing 21 and the second connection device 1 .
  • the flexible housing 21 will act on the second connecting device 1 and drive the second connecting device 1 to move.
  • the detection mechanism 3 is installed and installed It is very convenient, and is accurately detected by the detection mechanism 3, which is convenient for control.
  • the detection mechanism 3 may be disposed between the flexible housing 21 and the electrical connection device.
  • the electrical connection device further includes a battery bearing surface 4 and a connection device bearing surface 5 , the battery bearing surface 4 is used to carry the battery pack, and the connection device bearing surface 5 is used to carry the second connection device 1 .
  • the bearing surface 5 of the connecting device has the function of supporting and limiting the position.
  • the second connecting device 1 moves on the bearing surface 5 of the connecting device, which effectively avoids the phenomenon of offset and dislocation during the movement of the second connecting device 1, and ensures the second connection.
  • the electrical connection or disconnection between the device 1 and the first connection device improves the safety and stability of the electrical connection device.
  • the connection device bearing surface 5 and the battery bearing surface 4 are fixedly connected, and the connection device bearing surface 5 and the battery bearing surface 4 are located on the same horizontal plane. This further ensures the electrical connection or disconnection between the second connection device 1 and the first connection device, and greatly improves the safety and stability of the electrical connection device.
  • the connecting device bearing surface 5 includes a flat plate 51 and a vertical plate 52, the vertical plate 52 is vertically connected with one end of the flat plate 51, the driving mechanism 2 and the second connecting device 1 are arranged on the flat plate 51, and one end of the driving mechanism 2 is fixedly connected to the vertical plate 51. plate 52.
  • the flat plate 51 is used to provide a moving support surface for the second connecting device 1, and the driving mechanism 2 is fixedly connected between the vertical plate 52 and the second connecting device 1, so that the electrical connecting device is easy to install and connect, and has high stability.
  • Reinforcing plates 53 are respectively connected between the two sides of the flat plate 51 and the vertical plate 52, the driving mechanism 2 is located between the two reinforcing plates 53, and the driving mechanism 2 is set to avoid two when the volume of the driving mechanism 2 changes.
  • Reinforcing plate 53 has a reinforcing effect, effectively strengthens the overall structural strength of the connecting device bearing surface 5, supports high connection strength, avoids the deformation of the connecting device bearing surface 5, and greatly improves the safety and stability of the electrical connecting device.
  • the two reinforcing plates 53 are located on both sides of the flat plate 51 , which can limit the expansion range of the driving mechanism 2 to both sides and avoid interference.
  • the flexible housing 21 is an airbag. Simple structure, low cost and long service life. Two ends of the flexible shell 21 are respectively flat; wherein, one end of the flexible shell 21 is used for connecting with the vertical plate 52 , and the other end of the flexible shell 21 is used for connecting with the second connecting device 1 .
  • the planes at both ends of the flexible shell 21 are respectively connected with the vertical plate 52 and the second connecting device 1, so that the flexible shell 21 acts on the second connecting device 1 through the plane force, the force area is large, and the second connecting device can be driven stably
  • the device 1 moves, so that the movement stability of the second connection device 1 is higher.
  • the flexible housing 21 may be an organ air bag.
  • the electrical connection device further includes at least one guide mechanism 6 for guiding the second connection device 1 to move the second connection device 1 along a preset path in the electrical connection device.
  • the guiding mechanism 6 has a guiding function, which ensures that the second connecting device 1 moves along the preset path, realizes the precise electrical connection between the second connecting device 1 and the first connecting device, and effectively avoids the occurrence of the second connecting device 1 in the process of moving.
  • the phenomenon of offset and dislocation greatly improves the safety and stability of the electrical connection device.
  • the guide mechanism 6 includes a guide rod 61 and a guide block 62.
  • the guide rod 61 is extended along the direction of the preset path.
  • the guide block 62 is connected with the guide rod 61 and can be telescopically moved relative to each other.
  • One of the guide block 62 and the guide rod 61 is connected to the first
  • the two connecting devices 1 are connected, and the other one of the guide block 62 and the guide rod 61 is fixedly arranged.
  • the guide rod 61 and the guide block 62 have a guiding and limiting function.
  • the guide rod 61 is connected with the second connecting device 1 , and the guide block 62 is fixedly arranged in the electrical connecting device, and is on the guide block 62 through the guide rod 61
  • the telescopic movement ensures that the second connecting device 1 moves along the preset path, the structure is simple, and the installation and setting are very convenient.
  • the number of the guide mechanisms 6 is two, the two guide mechanisms 6 are symmetrically arranged on both sides of the drive mechanism 2 , and the two guide blocks 62 are respectively connected to the two sides of the drive mechanism 2 .
  • the two guide mechanisms 6 are symmetrically arranged, so that the two ends of the second connecting device 1 are uniformly stressed, so that the movement of the second connecting device 1 is more stable.
  • the detection mechanism 3 includes a pressure sensor 31 .
  • a control signal is triggered and used to control the drive mechanism 2 to stop stretching.
  • the pressure sensor 31 is disposed between the flexible casing 21 and the second connecting device 1 and is used to detect the magnitude of the force between the flexible casing 21 and the second connecting device 1 to determine the difference between the second connecting device 1 and the second connecting device 1 . Whether the electrical connection between the first connection devices is in place.
  • the detection mechanism 3 will send a control signal to control the drive mechanism 2 to stop telescopic, that is, not to change the force in the cavity.
  • the volume of the gas makes the overall volume of the flexible housing 21 no longer change, and at the same time does not drive the second connecting device 1 to move, so that the second connecting device 1 stops moving.
  • the detection mechanism 3 is controlled by detecting the pressure by the pressure sensor 31 , the detection accuracy is high, the control is convenient, the structure is simple, and the cost is low.
  • the detection mechanism 3 includes a detection member 33 and a trigger member 32.
  • One of the detection member 33 and the trigger member 32 is arranged on the second connection device 1, and the other is arranged on the moving path of the second connection device 1 in the electrical connection device.
  • the triggering control signal is matched by the detecting element 33 and the triggering element 32 .
  • the trigger member 32 is arranged on the second connection device 1
  • the detection member 33 is arranged on the moving path of the second connection device 1 in the electrical connection device.
  • the detection member 33 and the trigger member 32 match the trigger control signal, and the control signal sent by the detection mechanism 3 is used to control the drive mechanism 2 Stop changing the gas volume in the cavity of the flexible shell 21, so that the overall volume of the flexible shell 21 does not change, and at the same time does not drive the second connecting device 1 to move, so that the second connecting device 1 stops moving, effectively avoiding the
  • the triggering control signal is matched by the detecting member 33 and the triggering member 32, the detection precision is high, the control is convenient, and the safety and stability of the electrical connection device is greatly improved.
  • One of the detection member 33 and the trigger member 32 is arranged on the moving path of the second connection device 1 in the electrical connection device, and the number is multiple and arranged at intervals; the other one of the detection member 33 and the trigger member 32 is arranged at On the second connection device 1 ; the second connection device 1 moves along a preset path in the electrical connection device, and the detection element 33 triggers a corresponding number of trigger signals according to the times of matching with the trigger element 32 .
  • the distance that the second connection device 1 needs to move for different types of battery packs is also different when moving, so as to ensure that the second connection device 1 is connected to the first connection device. electrical connection between.
  • a plurality of detection members 33 are arranged at intervals on the moving path in the electrical connection device, and the trigger member 32 is arranged on the second connection device 1, and the second connection device 1 will drive the trigger member 32 to move when moving.
  • the moving distance of the second connecting device 1 is precisely controlled by the triggering times of the triggering member 32 and the plurality of detecting members 33 .
  • the plurality of detection elements 33 correspond to the moving distances of different types of battery packs respectively, so that different types of battery packs are detected by the triggering times of the triggering element 32 and the detection element 33 .
  • the trigger signal matches the corresponding detection element 33 and triggers the control signal, so as to control the moving distance of the second connection device 1, so that the electrical connection device can be charged for different types of battery packs, and the electrical connection device can be charged. Wide range of applications.
  • the moving distance of the second connecting device 1 can be precisely controlled by the triggering member 32 according to the triggering times with the plurality of detecting members 33 , or the triggering member 32 can directly trigger the control signal with the matching detecting member 33 .
  • the detection mechanism 3 triggers a corresponding control signal according to the received number of trigger signals triggered by the detection element 33 , so as to control the second connection device 1 to stop moving.
  • the moving distances of different types of battery packs are different and correspond to the plurality of detection parts 33 respectively.
  • the flexible casing 21 drives the second connection device 1 to move, and the trigger part 32 only has The control signal can be triggered only between the detection parts 33 corresponding to the battery pack, so that the number of trigger signals between the trigger part 32 and the detection part 33 does not need to be counted, and the use is more convenient and the precision is high.
  • the electrical connection device further includes a control unit for acquiring battery pack model information.
  • the control unit generates a control signal according to the trigger signal corresponding to the battery pack model information received by the detection mechanism 3 to control the second connection device 1 to stop moving.
  • a control signal is generated, so as to precisely control the second connection device 1 to stop moving, to achieve accurate charging of battery packs of different types, and to greatly improve the safety and reliability of the electrical connection device.
  • the detection member 33 is disposed on the moving path of the second connection device 1 in the electrical connection device, and the trigger member 32 is disposed on the second connection device 1 .
  • the detection element 33 will generate a signal, and the signal line needs to be connected.
  • the detection mechanism 3 includes a proximity switch, a mechanical switch, a photoelectric switch or a magnetic switch.
  • One of a proximity switch, a mechanical switch, a photoelectric switch or a magnetic switch is used as the detection mechanism 3, which greatly improves the selection range of the detection mechanism 3, and can flexibly set different types of detection mechanisms 3 according to the actual space conditions of the electrical connection device. .
  • the driving mechanism 2 includes a telescopic part, the telescopic part is connected with the second connecting device 1, and the second connecting device 1 is driven to move in the electrical connecting device through the telescopic part.
  • the driving mechanism 2 When the driving mechanism 2 is in use, the driving mechanism 2 will provide driving force and can realize the telescopic movement of the telescopic part, and the movement of the telescopic part will act on the second connecting device 1, thereby driving the second connecting device 1 to move closer to the second connecting device 1.
  • the direction of a connecting device is moved, so that the second connecting device 1 is electrically connected with the first connecting device.
  • the second connecting device 1 When the electrical connection needs to be disconnected, the second connecting device 1 is driven to move in a direction away from the first connecting device by the telescopic portion, so that the electrical connection between the second connecting device 1 and the first connecting device is disconnected from each other.
  • the movement of the second connection device 1 is driven by the telescopic part to realize electrical connection or disconnection, which has the advantages of precise control and high stability, effectively avoids the phenomenon of offset and dislocation during the electrical connection process, and greatly improves the safety of the electrical connection device. reliability.
  • the driving mechanism 2 may be a structure capable of driving the second connecting device 1 to move, such as an air cylinder, an oil cylinder, an electric push rod, or the like.
  • the detection mechanism 3 is arranged between the telescopic portion and the second connection device 1 .
  • the telescopic part will act on the second connecting device 1 and be used to drive the second connecting device 1 to move.
  • the installation and setting of the detection mechanism 3 is very convenient, and Accurate detection by the detection mechanism 3 is convenient for control.
  • the two guide blocks 62 are located on two sides of the drive mechanism 2 respectively, and the drive mechanism 2 and the two guide blocks 62 are integrally formed.
  • the modularization between the guide mechanism 6 and the drive mechanism 2 is realized, and the use is more convenient.
  • the connection strength of the two guiding mechanisms 6 and the driving mechanism 2 is strengthened, which can play a fixed and restrictive role on the driving mechanism 2, effectively avoid the phenomenon of offset and dislocation of the driving mechanism 2 during use, and greatly improve the electrical connection device. security and stability.
  • the integration of the drive mechanism 2 and the guide mechanism 6 is realized, the overall structure is compact, the occupied space is small, and the cost is low.
  • the two guide rods 61 respectively pass through the two guide blocks 62 and are parallel to the telescopic portion, and the two guide rods 61 and the telescopic portion are connected to the same side of the second connecting device 1 .
  • the second connecting device 1 includes a fixed plate 11 , a floating plate 12 , at least one elastic member 13 and a plurality of poles 14 .
  • the fixed plate 11 is connected to the driving mechanism 2
  • the floating plate 12 is movably installed on the first position of the fixed plate 11 through the elastic member 13 .
  • a plurality of poles 14 are installed on the floating plate 12, the poles 14 have electrical contact terminals and terminals, the electrical contact terminals are used for contacting with the first connecting device to form an electrical connection, and the terminals penetrate through the fixed plate 11 and use connected to the power cable.
  • the floating plate 12 is movably connected to the fixed plate 11 through the elastic member 13 , which improves the fault tolerance between the second connecting device 1 and the first connecting device, and makes the electrical connection more stable.
  • the second connecting device 1 contacts the first connecting device through the pole 14 to form an electrical connection
  • the fixing plate 11 is provided with a through hole
  • the terminal of the pole 14 penetrates through the through hole on the fixing plate 11, so that the second connecting device 1.
  • the pole 14 will not be in contact with the fixing plate 11, which further improves the safety and stability of the electrical connection device.
  • the detection mechanism 3 may be disposed between the fixed plate 11 and the floating plate 12 .
  • the telescopic part will act on the second connecting device 1 and be used to drive the second connecting device 1 to move in a direction close to the first connecting device.
  • the floating plate 12 will It will move in the direction close to the fixing plate 11 due to the pressing connection, so as to realize the accurate detection of the detection mechanism 3 .
  • the detection mechanism 3 may also be disposed on the electrical contact end of the pole 14 . The electrical contact end of the pole 14 will be in direct pressing contact with the first connection device, so as to realize the accurate detection of the detection mechanism 3 .
  • the number of the elastic members 13 is plural, and the plurality of elastic members 13 are respectively disposed on both ends of the floating plate 12 symmetrically along the length direction thereof.
  • a plurality of elastic members 13 are respectively disposed on the left and right ends of the floating plate 12 , and the upper and lower ends are not provided with elastic members 13 , thereby effectively reducing the overall height of the second connecting device 1 , the structure is more compact, and the occupied area is further reduced.
  • the fixed plate 11 is provided with two connection ports 111 , and a plurality of elastic members 13 are respectively disposed in the two connection ports 111 . Both ends of the floating plate 12 extend into the connection ports 111 and are respectively connected with the plurality of elastic members 13 . .
  • the space resources occupied by the plurality of elastic members 13 are effectively avoided, the interference phenomenon is avoided, the structure is more compact, and the stability is higher.
  • a plurality of limit posts 121 protrude from one side of the floating plate 12 facing the fixed plate 11 .
  • the fixed plate 11 defines a plurality of limit holes 112 corresponding to the limit columns 121 .
  • the limit hole 112 is sleeved on the limit post 121 and used to limit the movement range of the floating plate 12 relative to the fixed plate 11 .
  • the limiting hole 112 is sleeved on the limiting post 121 to play a limiting role, limiting the movable range of the floating plate 12 relative to the fixed plate 11, thereby effectively preventing the floating plate 12 from being damaged due to excessive displacement and misalignment during the movement.
  • the safety and stability of the electrical connection device are further improved.
  • the telescopic portion penetrates from the second side surface of the fixing plate 11 and is screwed to the fixing plate 11 , and the second side surface is opposite to the first side surface.
  • the floating plate 12 and the driving mechanism 2 are respectively disposed on both sides of the fixed plate 11 and are respectively connected with the first side surface and the second side surface of the fixed plate 11, so that the driving mechanism 2 and the floating plate 12 interact with each other when driving. There is no interference phenomenon in contact between them, which greatly improves the safety and stability of the electrical connection device.
  • the arrangement along the thickness direction of the fixing plate 11 can effectively avoid occupying space resources in the height direction, the structure is more compact, the occupied space is small, and the number of second connection devices 1 arranged in the height direction of the electrical connection device is more.
  • the electrical connection device further includes a connection bracket 7 , and the end of the telescopic part is connected to the second side surface of the second connection device 1 through the connection bracket 7 , so that the telescopic part avoids the terminal.
  • the end of the telescopic portion will act on the connecting bracket 7 instead of directly acting on the second connecting device 1, so that the driving mechanism 2 and the terminal passing through the second connecting device 1 avoid each other, which greatly improves the electrical connection.
  • the safety and stability of the device; at the same time, the installation and setting are very convenient.
  • the connecting bracket 7 includes a connecting plate 71 and two connecting columns 72.
  • the first side of the connecting plate 71 is connected to the telescopic portion.
  • One end of the two connecting columns 72 is symmetrically connected to the two ends of the second side of the connecting plate 71.
  • the side surface and the second side surface are arranged opposite to each other, and the other ends of the two connecting posts 72 are both connected to the second side surface of the fixing plate 11 and are respectively arranged on both sides of the plurality of terminals.
  • the two connecting posts 72 are used to transmit the force and respectively act on the second side surface of the fixing plate 11 and are respectively arranged on both sides of the multiple terminals, effectively avoiding the terminals, and the two connecting posts 72 are symmetrically arranged and fixed.
  • the force on both sides of the plate 11 is uniform, and the movement is more stable.
  • the pressure sensor 31 is disposed between the connecting plate 71 and the telescopic portion.
  • the second connecting device 1 moves to the preset position, and the pressure sensor 31 triggers the control signal to control the telescopic part
  • the movement is stopped, and at the same time, the movement of the second connection device 1 is no longer driven, so that the movement of the second connection device 1 is stopped.
  • the driving mechanism 2 is controlled by the pressure sensor 31 to detect the magnitude of the pressure, the detection accuracy is high, and the control is convenient.
  • a charging compartment includes an electrical connection device with a flexible drive structure and a battery carrying surface 4 , and the battery carrying surface 4 is used to carry a battery pack and has The electrical connection device of the flexible drive structure is arranged in the charging compartment, the charging compartment is used for carrying and charging the battery pack, and the battery pack has a first connection device.
  • the electrical connection device with a flexible drive structure includes a second connection device 1 and a drive mechanism 2, the second connection device 1 is used for electrical connection with the first connection device;
  • the drive mechanism 2 includes a flexible housing 21, and the flexible housing 21 has Cavity; one end of the flexible shell 21 is fixed in the charging compartment, and the other end of the flexible shell 21 is connected to the second connecting device 1; the volume of the flexible shell 21 is proportional to the volume of the gas in the cavity; drive By controlling the gas volume in the cavity, the mechanism 2 drives both the flexible housing 21 and the second connecting device 1 to move in a direction close to or away from the first connecting device, so that the second connecting device 1 and the first connecting device can be electrically connected. connect or disconnect.
  • the gas is filled into the cavity, so that the volume of the gas in the cavity becomes larger, and the volume of the flexible housing 21 also becomes larger accordingly.
  • the gas in the cavity is exhausted, so that the volume of the gas in the cavity becomes smaller, and the volume of the flexible shell 21 becomes smaller accordingly.
  • the flexible housing 21 drives the movement of the second connection device 1 to realize electrical connection, which has the advantages of precise control, good flexibility and high stability, and effectively avoids the phenomenon of offset and dislocation during the electrical connection process. , greatly improving the safety and reliability of the electrical connection device with the flexible drive structure.
  • the drive mechanism 2 with the flexible housing 21 occupies less space when it is not inflated. Under the condition that the overall space remains unchanged, the second connection device 1 of the electrical connection device using the drive mechanism 2 has a longer effective movement. journey.
  • the charging compartment further includes a detection mechanism 3, and the detection mechanism 3 is used to trigger a control signal when the second connection device 1 moves to a preset position in the charging compartment, and the control signal is used to control the second connection device 1 to stop moving.
  • the detection mechanism 3 will detect The second connection device 1 reaches the preset position and triggers a control signal, and the control signal is used to control the second connection device 1 to stop moving, which effectively avoids the forward movement of the second connection device 1 and the first connection device during electrical connection. Excessive extrusion occurs during movement, preventing damage to the second connecting device 1 and the first connecting device, realizing precise control of the movement of the second connecting device 1 in place, and greatly improving the safety and stability of the charging compartment.
  • the detection mechanism 3 is disposed between the flexible housing 21 and the second connection device 1 .
  • the flexible housing 21 will act on the second connecting device 1 and drive the second connecting device 1 to move.
  • the detection mechanism 3 is installed and installed It is very convenient, and is accurately detected by the detection mechanism 3, which is convenient for control.
  • the detection mechanism 3 may be disposed between the flexible housing 21 and the charging compartment.
  • the detection mechanism 3 includes a pressure sensor 31.
  • a control signal is triggered and used to control the driving mechanism 2 to stop changing the gas volume in the cavity.
  • the pressure sensor 31 is disposed between the flexible casing 21 and the second connecting device 1 and is used to detect the magnitude of the force between the flexible casing 21 and the second connecting device 1 to determine the difference between the second connecting device 1 and the second connecting device 1 . Whether the electrical connection between the first connection devices is in place.
  • the detection mechanism 3 When the pressure sensor 31 detects that the force between the flexible casing 21 and the second connection device 1 is greater than the preset value, the detection mechanism 3 will send a control signal and use it to control the drive mechanism 2 to stop changing the gas volume in the cavity, so that the The volume of the flexible housing 21 is no longer changed, and at the same time, the second connecting device 1 is no longer driven to move, so that the second connecting device 1 stops moving.
  • the detection mechanism 3 is controlled by detecting the pressure by the pressure sensor 31 , the detection accuracy is high, the control is convenient, the structure is simple, and the cost is low.
  • the detection mechanism 3 includes a detection member 33 and a trigger member 32, one of the detection member 33 and the trigger member 32 is arranged on the second connection device 1, and the other is arranged on the moving path of the second connection device 1 in the charging compartment,
  • the triggering control signal is matched by the detecting element 33 and the triggering element 32 .
  • the triggering member 32 is arranged on the second connecting device 1
  • the detecting member 33 is arranged on the moving path of the second connecting device 1 in the charging compartment.
  • the detection member 33 and the trigger member 32 match the trigger control signal, and the control signal sent by the detection mechanism 3 is used to control the drive mechanism 2 Stop changing the gas volume in the cavity, so that the volume of the flexible housing 21 does not change, and at the same time does not drive the second connecting device 1 to move, so that the second connecting device 1 stops moving, effectively avoiding the second connecting device 1 and the During the electrical connection between the first connecting devices, excessive extrusion occurs when the first connecting devices move forward, which prevents the damage of the second connecting device 1 and the first connecting device, and realizes precise control of the movement of the second connecting device 1 in place.
  • the triggering control signal is matched by the detecting member 33 and the triggering member 32, the detection accuracy is high, the control is convenient, and the safety and stability of the charging compartment is greatly improved.
  • One of the detection member 33 and the trigger member 32 is arranged on the moving path of the second connecting device 1 in the charging compartment, and the number is multiple and arranged at intervals; the other of the detection member 33 and the trigger member 32 is arranged on the first On the second connecting device 1; the second connecting device 1 moves along a preset path in the charging compartment, and the detection element 33 triggers a corresponding number of trigger signals according to the times of matching with the trigger element 32.
  • the distance that the second connecting device 1 needs to move for different types of battery packs is also different when moving, so as to ensure the distance between the second connecting device 1 and the first connecting device.
  • a plurality of detecting members 33 are arranged at intervals on the moving path in the charging compartment, and the triggering member 32 is arranged on the second connecting device 1, and the second connecting device 1 will drive the triggering member 32 to move when moving,
  • the moving distance of the second connecting device 1 is precisely controlled by the triggering times of the triggering member 32 and the plurality of detecting members 33 .
  • the plurality of detection elements 33 correspond to the moving distances of different types of battery packs respectively, so that different types of battery packs are detected by the triggering times of the triggering element 32 and the detection element 33 .
  • the trigger signal matches the corresponding detection element 33 and triggers the control signal, so as to control the moving distance of the second connection device 1, so that the electrical connection device with a flexible driving structure can be charged for different types of battery packs. It realizes a wide range of applications for charging bins.
  • the moving distance of the second connecting device 1 can be precisely controlled by the triggering member 32 according to the triggering times with the plurality of detecting members 33 , or the triggering member 32 can directly trigger the control signal with the matching detecting member 33 .
  • the detection mechanism 3 triggers a corresponding control signal according to the received number of trigger signals triggered by the detection element 33 , so as to control the second connection device 1 to stop moving.
  • the moving distances of different types of battery packs are different and correspond to the plurality of detection parts 33 respectively.
  • the flexible casing 21 drives the second connection device 1 to move, and the trigger part 32 only has The control signal can be triggered only between the detection parts 33 corresponding to the battery pack, so that the number of trigger signals between the trigger part 32 and the detection part 33 does not need to be counted, and the use is more convenient and the precision is high.
  • the charging bin also includes a control unit, which is used to obtain battery pack model information, and the control unit generates a control signal according to the trigger signal corresponding to the battery pack model information received by the detection mechanism 3 to control the second connection device 1 to stop moving.
  • Trigger to generate a control signal, so as to precisely control the second connection device 1 to stop moving, realize accurate charging of different types of battery packs, and greatly improve the safety and reliability of the electrical connection device with a flexible drive structure.
  • the detection member 33 is disposed on the moving path of the second connecting device 1 in the charging compartment, and the triggering member 32 is disposed on the second connecting device 1 .
  • the detection element 33 will generate a signal, and the signal line needs to be connected.
  • the detection mechanism 3 includes a proximity switch, a mechanical switch, a photoelectric switch or a magnetic switch.
  • the charging compartment also includes a battery sensor, which is used to detect whether there is a battery pack on the battery bearing surface 4 ; the control unit is signally connected to the battery sensor and the driving mechanism 2 .
  • the battery sensor When the battery pack is placed on the battery carrying surface 4, the battery sensor will detect that there is a battery pack on the battery carrying surface 4 and send a signal, and the control unit will receive the signal sent by the battery sensor and use it to control the drive mechanism 2 to open, the drive mechanism 2 will gas It is filled into the cavity, so that the volume of the gas in the cavity becomes larger, and the volume of the flexible shell 21 also becomes larger accordingly.
  • the second connecting device 1 is also driven to move in a direction close to the first connecting device, so that the second connecting device 1 is electrically connected with the first connecting device, thereby realizing the charging of the battery pack.
  • the control unit will control the drive mechanism 2 to discharge the gas in the cavity, so that the volume of the gas in the cavity becomes smaller, and the volume of the flexible shell 21 becomes smaller accordingly. becomes smaller and will move in the direction away from the first connection device, and will drive the second connection device 1 to move in the direction away from the first connection device, so that the second connection device 1 and the first connection device are electrically connected to each other. disconnect. Realize precise control, more convenient to use.
  • the electrical connection device with a flexible drive structure further includes a connection device bearing surface and a connection device bearing surface 5.
  • the connection device bearing surface and the connection device bearing surface 5 are used to carry the second connection device 1 and the driving mechanism 2.
  • the second connection device 1 is in the driving mechanism 2 moves along the connecting device carrying surface 5 along the connecting device carrying surface, so that the second connecting device 1 and the first connecting device are electrically connected.
  • the connecting device carrying surface The connecting device carrying surface 5 has the function of supporting and limiting the position.
  • the second connecting device 1 moves on the connecting device carrying surface on the connecting device carrying surface 5, which effectively avoids the offset of the second connecting device 1 during the movement.
  • the dislocation phenomenon ensures the electrical connection or disconnection between the second connection device 1 and the first connection device, and greatly improves the safety and stability of the electrical connection device with the flexible drive structure.
  • the connecting device bearing surface 5 includes a flat plate 51 and a vertical plate 52, the vertical plate 52 is vertically connected to one end of the flat plate 51, the driving mechanism 2 and the second connecting device 1 are arranged on the flat plate 51, and the flexible housing 21 is arranged on the flat plate 51. One end is fixedly connected to the vertical plate 52 .
  • the flat plate 51 is used to provide a moving support surface for the second connecting device 1, and the flexible housing 21 is fixedly connected between the vertical plate 52 and the second connecting device 1, so that the electrical connecting device with a flexible driving structure is easy to install and connect, and is stable Sex is high.
  • Reinforcing plates 53 are respectively connected between two sides of the flat plate 51 and the vertical plate 52 , the flexible housing 21 is located between the two reinforcing plates 53 , and the flexible housing 21 is arranged to avoid when the volume of the flexible housing 21 changes.
  • Two reinforcing plates 53 are opened.
  • the reinforcing plate 53 has a reinforcing effect, which effectively strengthens the overall structural strength of the connecting device bearing surface and the connecting device bearing surface 5.
  • the support and connection strength is high, which avoids the deformation of the connecting device bearing surface and the connecting device bearing surface 5, and greatly improves the flexible driving structure.
  • the safety and stability of the electrical connection device At the same time, the two reinforcing plates 53 are located on both sides of the flat plate 51 , which can limit the expansion range of the flexible casing 21 to both sides and avoid interference.
  • the flexible housing 21 is an airbag, which has a simple structure, low cost and long service life. Two ends of the flexible shell 21 are respectively flat; wherein, one end of the flexible shell 21 is used for connecting with the vertical plate 52 , and the other end of the flexible shell 21 is used for connecting with the second connecting device 1 .
  • the planes at both ends of the flexible shell 21 are respectively connected with the vertical plate 52 and the second connecting device 1, so that the flexible shell 21 acts on the second connecting device 1 through the plane force, the force area is large, and the second connecting device can be driven stably
  • the device 1 moves, so that the movement stability of the second connection device 1 is higher.
  • the flexible housing 21 may be an organ air bag.
  • the electrical connection device with a flexible drive structure further includes at least one guide mechanism 6 for guiding the second connection device 1 to move the second connection device 1 along a preset path in the charging compartment.
  • the guiding mechanism 6 has a guiding function, which ensures that the second connecting device 1 moves along the preset path, realizes the precise electrical connection between the second connecting device 1 and the first connecting device, and effectively avoids the occurrence of the second connecting device 1 in the process of moving.
  • the phenomenon of offset and dislocation greatly improves the safety and stability of the electrical connection device with the flexible drive structure.
  • the driving mechanism 2 is connected to the middle position of the second connecting device 1 , the number of the guiding mechanisms 6 is two, and the two guiding mechanisms 6 are symmetrically arranged on both sides of the driving mechanism 2 .
  • the second connecting device 1 is driven to move in a direction close to or away from the first connecting device by the force of the driving mechanism 2 at the middle position of the second connecting device 1, and at the same time the second connecting device 1 is guided by the two guiding mechanisms 6,
  • the second connection device 1 is made to move smoothly, effectively avoiding the occurrence of unequal pressing force on the second connection device 1, and greatly improving the safety and stability of the electrical connection device with a flexible drive structure.
  • the "middle position" refers to an area close to the middle, not an absolutely middle point.
  • the guide mechanism 6 includes a guide rod 61 and a guide block 62.
  • the guide rod 61 is extended along the direction of the preset path.
  • the guide block 62 is connected with the guide rod 61 and can be telescopically moved relative to each other.
  • One of the guide block 62 and the guide rod 61 is connected to the first
  • the two connecting devices 1 are connected, and the other one of the guide block 62 and the guide rod 61 is fixedly arranged.
  • the guide rod 61 and the guide block 62 have guiding and limiting functions.
  • the guide rod 61 is connected to the second connecting device 1 , the guide block 62 is fixedly arranged in the charging compartment, and the guide block 62 is extended and retracted through the guide rod 61
  • the movement ensures that the second connecting device 1 moves along the preset path, the structure is simple, and the installation and setting are very convenient.
  • the number of the guide mechanisms 6 is two, the two guide mechanisms 6 are symmetrically arranged on both sides of the drive mechanism 2 , and the two guide blocks 62 are respectively connected to the two sides of the drive mechanism 2 .
  • the two guide mechanisms 6 are symmetrically arranged, so that the two ends of the second connecting device 1 are uniformly stressed, so that the movement of the second connecting device 1 is more stable.
  • the modularization between the guide mechanism 6 and the drive mechanism 2 is realized, and the use is more convenient.
  • the second connection device 1 includes a fixed plate 11 , a floating plate 12 , at least one elastic member 13 and a plurality of poles 14 .
  • the fixed plate 11 is connected to the flexible housing 21
  • the floating plate 12 is movably mounted on the fixed plate 11 through the elastic member 13 .
  • On the first side surface a plurality of pole posts 14 are installed on the floating plate 12 , the pole posts 14 have electrical contact terminals and terminals, the electrical contact terminals are used for contacting with the first connection device to form an electrical connection, and the terminals penetrate through the fixed plate 11 And used to connect with the power cable.
  • the floating plate 12 is movably connected to the fixed plate 11 through the elastic member 13, so that the electrical connection between the second connection device 1 and the first connection device is more stable.
  • the second connecting device 1 contacts the first connecting device through the pole 14 to form an electrical connection
  • the fixing plate 11 is provided with a through hole
  • the terminal of the pole 14 penetrates through the through hole on the fixing plate 11, so that the second connecting device 1.
  • the pole 14 will not be in contact with the fixing plate 11, which further improves the safety and stability of the electrical connection device with a flexible driving structure.
  • the number of the elastic members 13 is plural, and the plurality of elastic members 13 are respectively disposed on both ends of the floating plate 12 symmetrically along the length direction thereof.
  • a plurality of elastic members 13 are respectively arranged at the left and right ends of the floating plate 12, and the upper and lower ends are not provided with the elastic members 13, thereby effectively reducing the overall height of the electrical connection device with the flexible driving structure, the structure is more compact, and the occupied area is further reduced. Small.
  • the fixed plate 11 is provided with two connection ports 111 , and a plurality of elastic members 13 are respectively disposed in the two connection ports 111 . Both ends of the floating plate 12 extend into the connection ports 111 and are respectively connected with the plurality of elastic members 13 . .
  • the space resources occupied by the plurality of elastic members 13 are effectively avoided, the interference phenomenon is avoided, the structure is more compact, and the stability is higher.
  • a plurality of limit posts 121 protrude from one side of the floating plate 12 facing the fixed plate 11 .
  • the fixed plate 11 defines a plurality of limit holes 112 corresponding to the limit columns 121 .
  • the limit hole 112 is sleeved on the limit post 121 and used to limit the movement range of the floating plate 12 relative to the fixed plate 11 .
  • the limiting hole 112 is sleeved on the limiting post 121 to play a limiting role, limiting the movable range of the floating plate 12 relative to the fixed plate 11, thereby effectively preventing the floating plate 12 from being damaged due to excessive displacement and misalignment during the movement.
  • the safety and stability of the electrical connection device with the flexible drive structure are further improved.
  • the flexible housing 21 is connected to the second side surface of the fixing plate 11, and the second side surface is opposite to the first side surface.
  • the floating plate 12 and the flexible casing 21 are respectively disposed on both sides of the fixed plate 11 and are respectively connected with the first side surface and the second side surface of the fixed plate 11, so that when the flexible casing 21 is driven and the floating plate 12 is moved There is no interference phenomenon in contact with each other, which greatly improves the safety and stability of the electrical connection device with the flexible driving structure.
  • the arrangement along the thickness direction of the fixing plate 11 can effectively avoid occupying space resources in the height direction, the structure is more compact, the space occupation is small, and the number of electrical connection devices with a flexible driving structure in the height direction of the charging compartment can be increased. .
  • the electrical connection device with the flexible driving structure further includes a connection bracket 7 , and the end of the flexible housing 21 is connected with the second side surface of the fixing plate 11 through the connection bracket 7 , so that the flexible housing 21 avoids the terminals.
  • the end of the flexible shell 21 will act on the connecting bracket 7 instead of directly acting on the fixed plate 11, so that the flexible shell 21 and the terminal passing through the fixed plate 11 avoid each other, which greatly improves the flexibility of driving
  • the safety and stability of the electrical connection device of the structure at the same time, the installation and setting are very convenient.
  • the connecting bracket 7 includes a connecting plate 71 and two connecting columns 72.
  • the first side of the connecting plate 71 is connected to the flexible housing 21, and one end of the two connecting columns 72 is symmetrically connected to the two ends of the second side of the connecting plate 71, respectively.
  • the first side surface and the second side surface are disposed opposite to each other, and the other ends of the two connecting posts 72 are both connected to the second side surface of the fixing plate 11 and are respectively arranged on both sides of the plurality of terminals.
  • the two connecting posts 72 are used to transmit the force and respectively act on the second side surface of the fixing plate 11 and are respectively arranged on both sides of the multiple terminals, effectively avoiding the terminals, and the two connecting posts 72 are symmetrically arranged and fixed.
  • the force on both sides of the plate 11 is uniform, and the movement is more stable.
  • an embodiment of the present invention also discloses a control method for electrical connection movement.
  • the electrical connection movement control method utilizes the charging compartment described above.
  • the electrical connection movement control method includes the following steps:
  • Step 101 When the second connection device 1 moves to a preset position, the detection mechanism 3 triggers a control signal and sends it to the drive mechanism 2;
  • Step 102 The driving mechanism 2 receives the control signal and stops driving the second connecting device 1 to move in the charging compartment in a direction close to the first connecting device.
  • the preset position is the position where the second connection device 1 is electrically connected to the first connection device.
  • the detection mechanism 3 will detect that the second connection device 1 has reached the preset position and trigger a control signal, through which the control signal is used to control the drive mechanism 2 to stop changing the gas volume in the flexible housing 21 , so that the overall volume of the flexible housing 21 does not change, and at the same time does not drive the second connecting device 1 to move, so as to control the second connecting device 1 to stop moving, effectively preventing the second connecting device 1 from being connected to the first
  • an excessive extrusion phenomenon occurs when the devices move forward, which prevents the damage of the second connecting device 1 and the first connecting device, and realizes precise control of the movement of the second connecting device 1 in place.
  • the detection mechanism 3 includes a pressure sensor 31 ; when the second connection device 1 moves to a preset position, the detection mechanism 3 triggers a control signal and sends it to the drive mechanism 2 .
  • the detection mechanism 3 detects the pressure of the external force through the pressure sensor 31 . value, and trigger the control signal when the pressure value is greater than or equal to the preset value.
  • the pressure sensor 31 is disposed between the second connection device 1 and the flexible housing 21 .
  • step 101 when the pressure sensor 31 detects that the force between the flexible casing 21 and the second connecting device 1 is greater than or equal to a preset value, the second connecting device 1 moves to a preset position at this time, and the pressure sensor 31
  • the trigger control signal is used to control the drive mechanism 2 to stop the gas volume in the flexible casing 21, so that the overall volume of the flexible casing 21 does not change, and at the same time does not drive the second connecting device 1 to move, so as to realize the second connecting device 1 Stop moving.
  • the driving mechanism 2 is controlled by the pressure sensor 31 to detect the magnitude of the pressure, the detection accuracy is high, and the control is convenient.
  • the pressure sensor 31 may be an optical fiber pressure sensor.
  • the detection mechanism 3 includes a detection member 33 and a trigger member 32, one of the detection member 33 and the trigger member 32 is arranged on the second connection device 1, and the other is arranged on the second connection device 1 in the charging compartment
  • the detection mechanism 3 triggers the control signal and sends it to the driving mechanism 2.
  • the steps include: the detection mechanism 3 triggers according to the matching of the detection member 33 and the trigger member 32 to Trigger control signal.
  • step 101 when the flexible housing 21 drives the second connecting device 1 to move to a preset position, the detection member 33 matches the triggering member 32 with a trigger control signal, and the control signal sent by the detection mechanism 3 is used to control the driving mechanism 2 to stop the flexible
  • the gas volume in the casing 21 makes the overall volume of the flexible casing 21 no longer change, and at the same time does not drive the second connecting device 1 to move, so that the second connecting device 1 stops moving, effectively avoiding the second connecting device 1 and the During the electrical connection between the first connecting devices, excessive extrusion occurs when the first connecting devices move forward, which prevents the damage of the second connecting device 1 and the first connecting device, and realizes precise control of the movement of the second connecting device 1 in place.
  • the triggering control signal is matched by the detecting member 33 and the triggering member 32, the detection precision is high, and the control is convenient.
  • the number of detectors 33 or triggers 32 disposed on the moving path of the second connection device 1 in the charging compartment is multiple and arranged at intervals; the detection mechanism 3 is triggered according to the matching of the detectors 33 and the triggers 32 to trigger control
  • the signal step includes: the detection mechanism 3 determines the moving distance of the second connection device 1 according to the number of trigger signals triggered by the matching of the detection element 33 and the trigger element 32 , and triggers the corresponding control signal according to the number of trigger signals.
  • the number of the detection members 33 is multiple, the trigger member 32 is installed on the second connection device 1 , and the multiple detection members 33 are installed on the moving path of the second connection device 1 .
  • the moving distance of the second connecting device 1 is determined by the number of triggering signals of the plurality of detecting elements 33 .
  • the plurality of detection elements 33 correspond to the moving distances of different types of battery packs respectively, so that the different types of battery packs can finally trigger the signal to match the corresponding detection element 33 and trigger the control signal through the triggering times of the trigger element 32 and the detection element 33.
  • so as to control the moving distance of the second connection device 1 so that charging can be performed for different types of battery packs, and the application range is wide.
  • the step of triggering the corresponding control signal according to the number of trigger signals further includes: acquiring battery pack model information; generating a control signal according to the trigger signal corresponding to the battery pack model information received by the detection mechanism 3 to control the second connection device 1 to stop move.
  • the triggering element 32 and the matching detection element 33 among the plurality of detection elements 33 can be triggered to generate a control signal.
  • the second connection device 1 is precisely controlled to stop moving, and the precise charging of different types of battery packs is realized, and the application range is wide.

Landscapes

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

Abstract

La présente invention concerne un dispositif de connexion électrique, un bac de charge et un procédé de commande pour un mouvement de connexion électrique. Le dispositif de connexion électrique est utilisé pour transporter un bloc-batterie et le charger. Le bloc-batterie comporte un premier dispositif de connexion. Le dispositif de connexion électrique comprend : un deuxième dispositif de connexion configuré pour se déplacer à l'intérieur du dispositif de connexion électrique de façon à être connecté électriquement au premier dispositif de connexion; un mécanisme d'entraînement pour entraîner le deuxième dispositif de connexion à se déplacer à l'intérieur du dispositif de connexion électrique; et un mécanisme de détection pour déclencher un signal de commande lorsque le deuxième dispositif de connexion se déplace, à l'intérieur du dispositif de connexion électrique, vers une position prédéfinie, le signal de commande étant utilisé pour commander le deuxième dispositif de connexion de s'arrêter. Le procédé de commande de mouvement de connexion électrique utilise le bac de charge ci-dessus. Dans la présente invention, le mécanisme de détection détecte le deuxième dispositif de connexion pour commander le déplacement du deuxième dispositif de connexion, de manière à commander avec précision le deuxième dispositif de connexion de mettre en place et d'être électriquement connecté au premier dispositif de connexion, ce qui permet d'éviter efficacement une pression excessive provoquée par un mouvement vers l'avant pendant une connexion électrique entre le deuxième dispositif de connexion et le premier dispositif de connexion.
PCT/CN2021/143286 2020-12-31 2021-12-30 Dispositif de connexion électrique, bac de charge et procédé de commande pour mouvement de connexion électrique WO2022143944A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202011628549.7 2020-12-31
CN202011628549.7A CN114696391A (zh) 2020-12-31 2020-12-31 具有柔性驱动结构的电连接装置、充电仓和控制方法
CN202011635353.0A CN114696400A (zh) 2020-12-31 2020-12-31 充电仓和电连接移动的控制方法
CN202011635353.0 2020-12-31

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WO2022143944A1 true WO2022143944A1 (fr) 2022-07-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463162A2 (fr) * 2010-12-07 2012-06-13 Carbike GmbH Système d'alimentation en énergie de véhicules électriques
CN209544462U (zh) * 2019-03-29 2019-10-25 北京新能源汽车股份有限公司 电池插拔机构
CN111152676A (zh) * 2020-02-14 2020-05-15 奥动新能源汽车科技有限公司 充电仓、含其的充电架、换电站和储能站
CN111769404A (zh) * 2020-07-17 2020-10-13 蓝谷智慧(北京)能源科技有限公司 电连接器插拔机构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463162A2 (fr) * 2010-12-07 2012-06-13 Carbike GmbH Système d'alimentation en énergie de véhicules électriques
CN209544462U (zh) * 2019-03-29 2019-10-25 北京新能源汽车股份有限公司 电池插拔机构
CN111152676A (zh) * 2020-02-14 2020-05-15 奥动新能源汽车科技有限公司 充电仓、含其的充电架、换电站和储能站
CN111769404A (zh) * 2020-07-17 2020-10-13 蓝谷智慧(北京)能源科技有限公司 电连接器插拔机构

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