WO2022068422A1 - 电气盒、电池及用电设备 - Google Patents

电气盒、电池及用电设备 Download PDF

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Publication number
WO2022068422A1
WO2022068422A1 PCT/CN2021/112490 CN2021112490W WO2022068422A1 WO 2022068422 A1 WO2022068422 A1 WO 2022068422A1 CN 2021112490 W CN2021112490 W CN 2021112490W WO 2022068422 A1 WO2022068422 A1 WO 2022068422A1
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WO
WIPO (PCT)
Prior art keywords
connector
battery
box
box body
terminal
Prior art date
Application number
PCT/CN2021/112490
Other languages
English (en)
French (fr)
Inventor
吕娟霞
季进清
钱木
孙占宇
Original Assignee
宁德时代新能源科技股份有限公司
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.)
Filing date
Publication date
Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to BR112023000587A priority Critical patent/BR112023000587A2/pt
Priority to AU2021354276A priority patent/AU2021354276B2/en
Priority to JP2023501426A priority patent/JP2023533074A/ja
Priority to KR1020237003877A priority patent/KR20230031946A/ko
Priority to EP21874084.3A priority patent/EP4167371A4/en
Publication of WO2022068422A1 publication Critical patent/WO2022068422A1/zh
Priority to US18/177,452 priority patent/US20230282894A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/12—Recording operating variables ; Monitoring of operating variables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present application relates to the field of batteries, and in particular, to an electrical box, a battery and an electrical device.
  • New energy vehicles usually run on high-voltage electricity and are equipped with an electrical box, and the battery of the car is electrically connected to the electrical box.
  • the electrical box and the connector for outputting the electrical energy of the battery need to be connected through a long conductive structure (for example, a copper bar), which requires a large space.
  • the present application provides an electrical box, a battery and an electrical device, so as to improve the problem that the connection between the power output end of the battery and the electrical box requires large space.
  • the present application provides an electrical box for a battery
  • the battery includes a battery cell
  • the electrical box includes a box body, a current interrupter, a first connector and a switch.
  • a current interrupter is disposed within the case and is configured to open when the current reaches a predetermined value.
  • the first connector is used to output the power of the battery.
  • the switch is arranged in the box and is used to control the on-off between the battery cell and the first connector.
  • the first connector is fixed on the box body, the first connector includes a first terminal and a second terminal for outputting battery power, the first terminal is electrically connected to the current interrupter, and the second terminal is electrically connected to the switch.
  • the above technical solution integrates the first connector capable of outputting the electric energy of the battery and the electrical box into a module, and there is no need to set a long conductive structure between the electrical box and the first connector, which reduces the space occupation and improves the space utilization rate.
  • the current interrupter can disconnect the power output of the first connector to the battery when the current reaches a predetermined value, so as to ensure the safety of electricity use.
  • the setting of the switch can cut off or turn on the electrical connection between the battery cell and the first connector as required, so as to avoid overcharging and discharging of the battery.
  • the box body is provided with a first opening, and the first connector is configured to extend into the first opening to be electrically connected with the switch and the current interrupter.
  • the first connector extends into the first opening and is electrically connected to the switch and the current interrupter, so that the first connector is at least partially accommodated in the box body, and the space in the box body is reasonably utilized, making the structure of the electrical box more convenient. compact.
  • the first connector includes a base body, the base body covers the first opening from the outside of the box body, and the first terminal and the second terminal are fixed to the base body.
  • the base body covers the first opening from the outside of the box body, which can seal the first opening to a certain extent and prevent external impurities from entering the box body, affecting the safety performance of the electrical box and damaging the components in the box.
  • the electrical box further includes a first conductive member and a second conductive member.
  • One end of the first conductive member is connected to the first terminal, and the other end is connected to the current interrupter; one end of the second conductive member is connected to the first terminal.
  • the two terminals are connected, and the other end is connected with the switch.
  • the first terminal and the current interrupter are connected by a first conductive member, and the second terminal and the switch are connected by a second conductive member, so that the switch and the current interrupter have a reasonable arrangement in the box, So that the space in the box can be reasonably and fully utilized.
  • both the first conductive member and the second conductive member are fixed to the box body, and the first connector is fixed to the box body through the first conductive member and the second conductive member.
  • the electrical box further includes: a current sensor, the current sensor is disposed in the box, and the current sensor is disposed in the circuit between the first connector and the battery cell.
  • the setting of the current sensor is convenient for the battery management system to obtain the power transmission information between the battery cell and the first connector, so that the battery management system can take relevant measures according to the power transmission information between the battery cell and the first connector.
  • strategy such as controlling the switch to connect or disconnect the electrical connection between the first connector and the battery cell.
  • an embodiment of the present application provides a battery, including a box body, a plurality of battery cells, and the electrical box provided by the embodiment of the first aspect.
  • the plurality of battery cells are arranged inside the case.
  • the electrical box is fixed inside the box.
  • the first connector capable of outputting the electric energy of the battery and the electrical box are integrated into a module, and a long conductive structure does not need to be arranged between the electrical box and the first connector, which reduces the space occupation and improves the space utilization. Rate.
  • the current interrupter can disconnect the power output of the first connector to the battery when the current reaches a predetermined value, so as to ensure the safety of electricity use.
  • the setting of the switch can cut off or turn on the electrical connection between the battery and the first connector as required, so as to avoid overcharging and discharging of the battery.
  • the box body is provided with a second opening, and the second opening is used for the first connector to pass through, so as to output the electric energy of the battery to the outside of the box body through the first connector.
  • the first connector protrudes from the box to facilitate electrical connection with external electrical equipment.
  • the first connector includes a base body, the base body covers the second opening from the inner side of the box body, and the first terminal and the second terminal are fixed to the base body.
  • the base of the first connector can cover the second opening from the inner side of the box, and can play a certain sealing effect on the second opening to prevent external impurities from entering the box and affecting the safety performance of the battery.
  • the surface of the base body in contact with the inside of the box can prevent the first connector from moving in the direction of moving out of the box from the second opening, so as to avoid damage to the electrical equipment due to vibration of the electrical equipment.
  • the first connector causes pulling, so that the electrical connection between the first connector and the battery cell is broken.
  • the battery further includes: a sealing member, the sealing member is disposed between the base body and the inner surface of the case body and surrounds the second opening, and the sealing member is used to achieve sealing between the first connector and the case body connect.
  • the arrangement of the sealing member makes the sealing effect between the base body and the box body better.
  • the battery further includes: a fixing member, the fixing member is configured to pass through the case body to be connected with the first connector, so as to fix the first connector to the case body.
  • the arrangement of the fixing member enables the first connector to be stably connected to the box body, so that the connection between the first connector and the box body has strong anti-shock and anti-vibration capabilities.
  • an embodiment of the present application provides an electrical device, including the battery provided by the embodiment of the second aspect.
  • the battery used by the electrical equipment integrates the first connector and the electrical box into one, and there is no need to set a long conductive structure between the electrical box and the first connector, which reduces the space occupation and improves the space utilization. Rate.
  • the current interrupter can disconnect the power output of the first connector to the battery when the current reaches a predetermined value, so as to ensure the safety of electricity use.
  • the setting of the switch can cut off or turn on the electrical connection between the battery and the first connector as required, so as to avoid overcharging and discharging of the battery.
  • FIG. 1 is a schematic diagram of the connection relationship between a first connector and an electrical box in the prior art
  • FIG. 2 is a schematic diagram of an electrical device provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a battery provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a first connector passing through a second opening according to an embodiment of the present application
  • Fig. 5 is the enlarged view of V place in Fig. 4;
  • FIG. 6 is a schematic diagram of a first view angle of a first connector according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of an electrical box provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a second viewing angle of the first connector according to an embodiment of the present application.
  • FIG. 10 is a circuit diagram of an electrical box provided by an embodiment of the application.
  • Icons 1-electrical equipment; 10-battery; 11-box; 111-upper cover; 1111-second opening; 1112-first through hole; 112-lower case; 13-battery unit; 14- Power supply module; 15', 15 - electrical box; 151 - box body; 1511 - first opening; 1512 - upper box body; 1513 - lower box body; 152 - current interrupter; 153', 153 - first connector; 1531-first terminal; 1532-second terminal; 1533-base body; 1534-first surface; 1535-second surface; 1536-seal groove; 1537-seal; 154-switch; - second conductor; 157 - current sensor; 158 - heating relay; 159 - heating element; 160 - third conductor; 161 - fourth conductor; 162 - fifth conductor; 17 - fixing part; 20 - motor ; 30-controller; 40-conductive structure.
  • the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the application is usually placed in use, or the Orientation or positional relationship commonly understood by those skilled in the art, or the orientation or positional relationship that the product of the application is usually placed in use, is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must be It has a specific orientation, is constructed and operates in a specific orientation, and therefore should not be construed as a limitation of the present application. Furthermore, the terms “first”, “second”, “third”, etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.
  • the electrical box 15 ′ is fixed in the battery box, but needs to be connected to the first connector 153 ′ outputting the battery power through the long conductive structure 40 , which makes the first connector 153
  • the connection between the ' and the electrical box 15 ' requires a large space, and at the same time, the size of the battery box is also increased, the cost is high, and the space is occupied.
  • the embodiment of the present application provides an electrical device 1 using a battery 10 as a power source.
  • the electrical equipment 1 can be, but not limited to, a vehicle, a ship, or an aircraft.
  • the electrical device 1 is a vehicle.
  • the vehicle may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle, or an extended-range vehicle, etc. .
  • a motor 20 , a controller 30 and a battery 10 may be provided inside the vehicle, and the controller 30 is used to control the battery 10 to supply power to the motor 20 .
  • the battery 10 may be provided at the bottom of the vehicle or at the front or rear of the vehicle.
  • the battery 10 can be used for power supply of the vehicle, for example, the battery 10 can be used as the operating power source of the vehicle, for the electrical circuit system of the vehicle, for example, for the working power demand during the starting, navigation and operation of the vehicle.
  • the battery 10 can not only be used as the operating power source of the vehicle, but also can be used as the driving power source of the vehicle, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle.
  • the battery 10 includes a case 11 , a battery cell 13 and an electrical box 15 .
  • the electrical box 15 is fixed to the inside of the box body 11 .
  • the battery cells 13 are provided inside the case 11 .
  • the plurality of battery cells 13 refers to two or more battery cells 13, and each battery cell 13 is connected in series and/or in parallel,
  • the plurality of battery cells 13 are connected in series and/or in parallel to form a power supply module, the power supply module has a first output pole and a second output pole, and the polarities of the first output pole and the second output pole are opposite.
  • the number of battery cells 13 may also be one.
  • the power supply module is constructed from one battery cell 13 , and the first output pole and the second output pole are the opposite polarities of the battery cell 13 respectively. of the two electrodes.
  • the battery cell 13 is electrically connected to the electrical equipment body (eg, the motor 20 ) through the first connector 153 , so as to transmit the electrical energy of the battery 10 to the electrical equipment 1 through the first connector 153 .
  • the box body 11 is provided with a second opening 1111 , and the second opening 1111 is used for the first connector 153 to pass through, so as to connect the battery cells 13 through the first connector 153 .
  • the electrical energy is output to the outside of the box 11 .
  • the box body 11 includes an upper cover body 111 and a lower shell body 112 , the second opening 1111 is provided in the upper cover body 111 , and the first terminals 1531 and the second terminals 1532 of the first connector 153 are opened from the box body 11 .
  • the inside of the battery cell 13 extends to the outside of the box 11 , so that the first terminal 1531 and the second terminal 1532 can be docked with the electrical equipment body, so that the electric energy of the battery cell 13 is output to the electrical equipment body through the first connector 153 .
  • the first connector 153 penetrates out of the box body 11 to transmit the electric energy of the battery cells 13 to the electrical equipment body outside the box body 11 , so that the first connector 153 is at least partially accommodated in the box body 11 , the space in the box body 11 can be utilized as much as possible, the occupation of the external space by the first connector 153 is reduced, and the structure between the electrical equipment body and the battery 10 is more compact.
  • the first terminal 1531 and the second terminal 1532 can extend from the inside of the box body 11 to the outside of the box body 11 , when the first terminal 1531 and the second terminal 1532 pass out of the box from the second opening 1111
  • the second surface 1535 of the base body 1533 covers the second opening 1111 from the inner side of the box body 11 after the body 11 is closed, which can seal the second opening 1111 to a certain extent and prevent external impurities from entering the box body 11 and affecting the battery 10 . safety performance.
  • the surface of the base body 1533 in contact with the inner side of the box body 11 can prevent the first connector 153 from moving out of the box body 11 from the second opening 1111, so as to avoid the electrical equipment 1
  • the shock or the like causes the first connector 153 to be pulled, so that the electrical connection between the first connector 153 and the battery cell 13 is broken.
  • the battery 10 further includes a sealing member 1537.
  • the sealing member 1537 is disposed between the base body 1533 and the inner surface of the case body 11 and is disposed around the second opening 1111 for realizing A sealed connection between the first connector 153 and the box body 11 .
  • the second surface 1535 of the base body 1533 is provided with a sealing groove 1536
  • the sealing groove 1536 is disposed around the second opening 1111
  • the contour of the sealing groove 1536 matches the contour of the base body 1533
  • the sealing member 1537 is disposed in the sealing groove 1536 Inside.
  • the sealing member 1537 is arranged in the box body 11 to avoid the sealing failure caused by external wear, corrosion and other reasons.
  • the sealing member 1537 is arranged in the box body 11 to prevent the sealing member 1537 from occupying the external space of the box body 11 , and the sealing performance of the sealing member 1537 surrounding the second opening 1111 is better.
  • the sealing groove 1536 can also be provided on the inner surface of the upper cover 111 , and the sealing member 1537 is provided in the sealing groove 1536 of the upper cover 111 .
  • the material of the sealing member 1537 can be selected from nitrile rubber, silica gel, nylon and the like.
  • the first connector 153 and the box body 11 may also be sealed in other ways.
  • the battery 10 further includes a fixing member 17 , and the fixing member 17 is configured to pass through the first connector provided on the case body 11 .
  • a through hole 1112 is connected to the first connector 153 so as to fix the first connector 153 to the box body 11 .
  • the fixing member 17 may be a bolt, a screw, or the like.
  • the first connector 153 is fixed to the box body 11 by the fixing member 17, so that the first connector 153 does not move relative to the box body 11, so that the first connector 153 and the battery cell 13, the first connector 153 and the A stable connection relationship can be maintained between the electrical equipment bodies, so that the connection between the first connector 153 and the box body 11 has strong anti-shock and anti-vibration capabilities.
  • an embodiment of the present application provides an electrical box 15 .
  • the electrical box 15 includes a box body 151 , a current interrupter 152 , a first connector 153 and a switch 154 .
  • a current interrupter 152 is provided within the case 151 and is configured to open when the current reaches a predetermined value.
  • the first connector 153 is used for outputting the power of the battery cell 13 .
  • the switch 154 is arranged in the box body 151 and is used to control the connection between the battery cell 13 and the first connector 153 .
  • the first connector 153 is fixed on the box body 151 , the first connector 153 includes a first terminal 1531 and a second terminal 1532 for outputting the power of the battery cells 13 , and the first terminal 1531 is electrically connected to the current interrupter 152 , The second terminal 1532 is electrically connected to the switch 154 .
  • the first connector 153 capable of outputting the electric energy of the battery cell 13 is integrated into the box body 151 of the electrical box 15, so that there is no need to set a long conductive structure 40 between the electrical box 15 and the first connector 153, thereby reducing the cost, Reduce space occupation and improve space utilization.
  • the current interrupter 152 can disconnect the power output of the first connector 153 to the battery cell 13 when the current reaches a predetermined value, so as to ensure the safety of power consumption.
  • the setting of the switch 154 can cut off or conduct the electrical connection between the battery cell 13 and the first connector 153 as required, so as to prevent the battery cell 13 from being overcharged and discharged.
  • switch 154 is a relay.
  • the first connector 153 includes a first terminal 1531 , a second terminal 1532 and a base body 1533 , the first terminal 1531 and the second terminal 1532 are fixed on the base body 1533 , and the box body A first opening 1511 is provided on the 151 , and the first connector 153 is configured to protrude into the first opening 1511 to be electrically connected with the switch 154 and the current interrupter 152 .
  • the base body 1533 has an opposite first surface 1534 and a second surface 1535 , wherein the first surface 1534 and the second surface 1535 are two oppositely arranged surfaces of the base body 1533 .
  • the box body 151 includes an upper box body 1512 and a lower box body 1513 , and the upper box body 1512 and the lower box body 1513 are connected to form the box body 151 .
  • the first opening 1511 is provided on the upper case body 1512, and the first terminal 1531 and the second terminal 1532 extend into the first opening 1511 from the outer side of the upper case body 1512, so that the first connector 153 is at least partially accommodated in the case body 151,
  • the space inside the box body 151 is rationally utilized, so that the structure of the electrical box 15 is more compact, and at the same time, the occupation of the outer space of the box body 151 by the first connector 153 is reduced.
  • the first surface 1534 of the base body 1533 covers the first opening 1511 from the outside of the box body 151, and abuts against the upper surface of the upper box body 1512, so that the The first opening 1511 plays a certain sealing role to prevent external impurities from entering the box body 151 , affecting the safety performance of the electrical box 15 and damaging the components in the box body 151 .
  • the second connector when the first connector 153 is docked with the second connector of the electrical equipment body, the second connector has a reaction force on the first connector 153, because the first surface 1534 of the base body 1533 and the upper box of the box body 151 The body 1512 abuts, and the upper box body 1512 can provide a supporting force point for the first connector 153, so that the first connector 153 can complete the docking with the second connector.
  • the electrical box 15 further includes a first conductive member 155 and a second conductive member 156, one end of the first conductive member 155 is connected to the first terminal 1531, and the other end is connected to the current interrupter 152; the second conductive member One end of 156 is connected to the second terminal 1532 , and the other end is connected to the switch 154 .
  • the first conductive member 155 and the second conductive member 156 are both fixed to the box body 151 , and the first connector 153 is fixed to the box body 151 through the first conductive member 155 and the second conductive member 156 .
  • the electrical box 15 further includes a current sensor 157 , the current sensor 157 is arranged in the box body 151 , and the current sensor 157 is arranged in the circuit between the first connector 153 and the battery cell 13 .
  • the arrangement of the current sensor 157 is convenient for collecting the current information of the battery cell 13 and the branch where the first connector 153 is located.
  • the electrical box 15 further includes a heating relay 158 , the heating relay 158 is arranged on the heating branch, and the heating branch is provided with a heating element 159 , and the heating element 159 is respectively connected with the plurality of batteries.
  • the first output pole and the second output pole of the cell 13 are connected, and the heating relay 158 is used to control the on-off between the heating element 159 and the battery cell 13 .
  • the heating branch is connected in parallel with the branch where the switch 154 and the current interrupter 152 are located, and the heating branch is used to control the heating element 159 to heat other components.
  • the heating branch controls the heating element 159 to heat the interior of the battery 10 to keep the temperature inside the battery 10 within a range that can satisfy the normal operation of the battery 10 .
  • the heating branch can also be used for other purposes.
  • the current sensor 157 can be installed at any position of the branch where the first connector 153 and the switch 154 are located.
  • the first output of the power supply module 14 is a positive pole
  • the second output of the power supply module 14 is a negative pole
  • the first terminal 1531 of the first connector 153 is a positive connection terminal
  • the second terminal of the first connector 153 1532 is a negative connection terminal
  • the first terminal 1531 and the current interrupter 152 are connected through a first conductive member 155
  • the second terminal 1532 and the switch 154 are connected through a second conductive member 156 .
  • the current interrupter 152 is connected to the first output pole through the third conductive member 160 .
  • the switch 154 and the current sensor 157 are connected through a fourth conductive member 161
  • the current sensor 157 and the second output pole are connected through a fifth conductive member 162 .
  • the first conductive member 155 , the second conductive member 156 , the third conductive member 160 , the fourth conductive member 161 and the fifth conductive member 162 are all copper bars.
  • the current sensor 157 can be installed between the first output pole and the current interrupter 152 , can also be installed between the current interrupter 152 and the first connector 153 , and can also be installed in the first connector 153 and switch 154.

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Abstract

本申请提供了一种电气盒、电池及用电设备，涉及电池领域。电气盒，用于电池，电池包括电池单体，电气盒包括盒体、电流中断器、第一连接器和开关。电流中断器设置在盒体内且被配置为在过流的情况下断开。第一连接器用于输出电池的电能。开关设置在盒体内，用于控制电池单体和第一连接器之间的通断。其中，第一连接器固定于盒体，第一连接器包括用于输出电池电能的第一端子和第二端子，第一端子与电流中断器电连接，第二端子与开关电连接。将能够输出电池的电能的第一连接器和电气盒盒体集成为一个模块，电气盒与第一连接器之间不需要设置较长的导电结构，减小空间占用，提高空间利用率，第一连接器与电气盒之间不需要通过较长的导电结构转接。

Description

电气盒、电池及用电设备
相关申请的交叉引用
本申请要求享受有于2020年09月30日提交的名称为“电气盒、电池及用电设备”的中国专利申请2020222228656的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及电池领域，具体而言，涉及一种电气盒、电池及用电设备。
背景技术
新能源汽车通常在高电压的电力下运行，并且配设有电气盒，汽车的电池与电气盒电连接。目前，电气盒与输出电池的电能的连接器之间需要通过较长的导电结构(例如铜排)连接，对空间需求大。
发明内容
本申请提供一种电气盒、电池及用电设备，以改善现有电池的电能输出端与电气盒之间连接对空间需求大的问题。
第一方面，本申请提供一种电气盒，用于电池，电池包括电池单体，电气盒包括盒体、电流中断器、第一连接器和开关。电流中断器设置在盒体内且被配置为在电流达到预定值的情况下断开。第一连接器用于输出电池的电能。开关设置在盒体内，用于控制电池单体和第一连接器之间的通断。其中，第一连接器固定于盒体，第一连接器包括用于输出电池电能的第一端子和第二端子，第一端子与电流中断器电连接，第二端子与开关电连接。
上述技术方案，将能够输出电池的电能的第一连接器和电气盒集成为一个模块，电气盒与第一连接器之间不需要设置较长的导电结构，减小空间占用，提高空间利用率。电流中断器能够在电流达到预定值的情况下断开第一连接器对电池的电能的输出，以保证用电安全。开关的设置能够根据需要切断或者导通电池单体和第一连接器之间的电连接，避免电池过度充、放电。
在本申请一些实施例中，盒体上设有第一开口，第一连接器被配置为伸入第一开口，以与开关和电流中断器电连接。
上述技术方案中，第一连接器伸入第一开口与开关和电流中断器电连接，使得第一连接器至少部分容纳于盒体内，合理的利用了盒体内的空间，使得电气盒的结构更加紧凑。
在本申请一些实施例中，第一连接器包括基体，基体从盒体的外侧覆盖第一开口，第一端子和第二端子固定于基体。
上述技术方案中，基体从盒体的外侧覆盖第一开口，能够对第一开口起到一定的密封作用，避免外界的杂质进入盒体内，影响电气盒的安全性能和损坏盒体内零部件。
在本申请一些实施例中，电气盒还包括第一导电件和第二导电件，第一导电件的一端与第一端子连接，另一端与电流中断器连接；第二导电件的一端与第二端子连接，另一端与开关连接。
上述技术方案中，第一端子和电流中断器之间通过第一导电件连接、第二端子和开关之间通过第二导电件连接，使得开关和电流中断器在盒体内具有合理的布置方式，以使盒体内的空间得以合理、充分的利用。
在本申请一些实施例中，第一导电件和第二导电件均固定于盒体，第一连接器通过第一导电件和第二导电件固定于盒体。
在本申请一些实施例中，电气盒还包括：电流传感器，电流传感器设置于盒体内，且电流传感器设置于第一连接器和电池单体之间的电路。
上述技术方案中，电流传感器的设置便于电池管理系统获取电池单体和第一连接器之间电能传输信息，以使电池管理系统能够根据电池单体和第一连接器之间电能传输信息采取相关的策略，比如控制开关连通或者断开第一连接器与电池单体之间的电连接。
第二方面，本申请实施例提供一种电池，包括箱体、多个电池单体和第一方面实施例提供的电气盒。所述多个电池单体设置在箱体的内部。电气盒固定于箱体的内部。
上述技术方案中，将能够输出电池的电能的第一连接器和电气盒集成为一个模块，电气盒与第一连接器之间不需要设置较长的导电结构，减小空间占用，提高空间利用率。电流中断器能够在电流达到预定值的情况下断开第一连接器对电池的电能的输出，以保证用电安全。开关的设置能够根据需要切断或者导通电池和第一连接器之间的电连接，避免电池过度充、放电。
在本申请一些实施例中，箱体上设有第二开口，第二开口用于供第一连接器穿出，以通过第一连接器将电池的电能输出到箱体的外部。
上述技术方案中，第一连接器从箱体内穿出，便于与外部用电设备电连接。
在本申请一些实施例中，第一连接器包括基体，基体从箱体的内侧覆盖第二开口，第一端子和第二端子固定于基体。
上述技术方案中，第一连接器的基体能够从箱体的内侧覆盖第二开口，能够对第二开口起到一定的密封作用，避免外界的杂质进入箱体内，影响电池的安全性能。此外，当第一连接器与用电设备本体电连接之后，基体与箱体内侧接触的表面能够阻止第一连接器向从第二开口移出箱体的方向移动，避免因用电设备震动等对第一连接器造成拉拽，使得第一连接器和电池单体之间的电连接被破坏。
在本申请一些实施例中，电池还包括：密封件，密封件设置在基体与箱体的内表面之间且环绕第二开口，密封件用于实现第一连接器与箱体之间的密封连接。
上述技术方案中，密封件的设置使得基体与箱体之间的密封效果更好。
在本申请的一些实施例中，电池还包括：固定件，固定件被配置为穿过箱体以与第一连接器连接，从而将第一连接器固定于箱体。
上述技术方案中，固定件的设置能够使第一连接器稳定地连接于箱体，使得第一连接器与箱体之间的连接具有较强的抗冲击、抗震动能力。
第三方面，本申请实施例提供一种用电设备，包括第二方面实施例提供的电池。
上述技术方案中，用电设备采用的电池，将第一连接器和电气盒集成为一体，电气盒与第一连接器之间不需要设置较长的导电结构，减小空间占用，提高空间利用率。电流中断器能够在电流达到预定值的情况下断开第一连接器对电池的电能的输出，以保证用电安全。开关的设置能够根据需要切断或者导通电池和第一连接器之间的电连接，避免电池过度充、放电。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本申请的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为现有技术中第一连接器与电气盒的连接关系示意图；
图2为本申请一个实施例提供的用电设备的示意图；
图3为本申请一个实施例提供的电池的示意图；
图4为本申请一个实施例提供的第一连接器穿过第二开口的示意图；
图5为图4中V处放大图；
图6为本申请一个实施例提供的第一连接器第一视角的示意图；
图7为本申请一个实施例提供的电气盒的示意图；
图8为本申请一个实施例提供的电气盒的爆炸图；
图9为本申请一个实施例提供的第一连接器第二视角的示意图；
图10为本申请一个实施例提供的电气盒的电路图。
图标：1-用电设备；10-电池；11-箱体；111-上盖体；1111-第二开口；1112-第一通孔；112-下壳体；13-电池单体；14-供电模块；15’、15-电气盒；151-盒体；1511-第一开口；1512-上盒体；1513-下盒体；152-电流中断器；153’、153-第一连接器；1531-第一端子；1532-第二端子；1533-基体；1534-第一表面；1535-第二表面；1536-密封槽；1537-密封件；154-开关；155-第一导电件；156-第二导电件；157-电流传感器；158-加热继电器；159-加热元件；160-第三导电件；161-第四导电件；162-第五导电件；17-固定件；20-马达；30-控制器；40-导电结构。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本申请实施例的组件可以以各种不同的配置来布置和设计。
因此，以下对在附图中提供的本申请的实施例的详细描述并非旨在限制要求保护的本申请的范围，而是仅仅表示本申请的选定实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本申请实施例的描述中，需要说明的是，指示方位或位置关系为基于附图所示的方位或位置关系，或者是该申请产品使用时惯常摆放的方位或位置关系，或者是本领域技术人员惯常理解的方位或位置关系，或者是该申请产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
相关技术中，如图1所示，电气盒15’固定在电池的箱体内，但是需要通过较长的导电结构40与输出电池电能的第一连接器153’连接，这使得第一连接器153’和电气盒15’之间的连接对空间需求较大，同时也使得电池的箱体的尺寸也会增大，成本高，且占用空间大。
本申请实施例提供一种使用电池10作为电源的用电设备1。该用电设备1可以但不仅限于为车辆、船舶或飞行器等。
本申请一个实施例中，用电设备1为车辆。如图2所示，为本申请一个实施例的一种车辆的结构示意图，车辆可以为燃油汽车、燃气汽车或新能源汽车，新能源汽车可以是纯电动汽车、混合动力汽车或增程式汽车等。车辆的内部可以设置马达20，控制器30以及电池10，控制器30用来控制电池10为马达20供电。例如，在车辆的底部或车头或车尾可以设置电池10。电池10可以用于车辆的供电，例如，电池10可以作为车辆的操作电源，用于车辆的电路系统，例如，用于车辆的启动、导航和运行时的工作用电需求。在本申请的另一实施例中，电池10不仅仅可以作为车辆的操作电源，还可以作为车辆的驱动电源，替代或部分地替代燃油或天然气为车辆提供驱动动力。
如图3所示，电池10包括箱体11、电池单体13和电气盒15。电气盒15固定于箱体11的内部。电池单体13设置在箱体11内部。
在一些实施例中，电池单体13为多个，所述的多个电池单体13是指两个及两个以上的电池单体13，各个电池单体13之间串联和/或并联，所述的多个电池单体13串联和/或并联构造出一个供电模块，该供电模块具有第一输出极和第二输出极，第一输出极和第二输出极的极性相反。
在一些实施例中，电池单体13也可以是一个，此时供电模块则由一个电池单体13构造出，则第一输出极和第二输出极分别为该电池单体13的极性相反的两个电极。
电池单体13通过第一连接器153与用电设备本体(例如马达20)电连接，以将电池10的电能通过第一连接器153输送至用电设备1。
如图4、图5、图6所示，箱体11上设有第二开口1111，第二开口1111用于供第一连接器153穿出，以通过第一连接器153将电池单体13的电能输出到箱体11的外部。
在一些实施例中，箱体11包括上盖体111和下壳体112，第二开口1111设于上盖体111，第一连接器153的第一端子1531和第二端子1532从箱体11的内部延伸至箱体11的外部，以使第一端子1531和第二端子1532能够与用电设备本体对接，从而通过第一连接器153将电池单体13的电能输出到用电设备本体。其中，第一连接器153从箱体11内穿出，以将电池单体13的电能输送至箱体11外部的用电设备本体，这样第一连接器153至少部分会容纳在箱体11内，能够尽可能最大化的利用箱体11内的空间，减少第一连接器153对外部空间的占用，使得用电设备本体和电池10之间结构更加紧凑。
在一些实施例中，第一端子1531和第二端子1532能够从箱体11的内部穿出延伸至箱体11的外部，当第一端子1531和第二端子1532从第二开口1111穿出箱体11后，基体1533的第二表面1535从箱体11的内侧覆盖第二开口1111，能够对第二开口1111起到一定的密封作用，避免外界的杂质进入箱体11内，影响电池10的安全性能。此外，当第一连接器153与用电设备本体电连接之后，基体1533与箱体11内侧接触的表面能够阻止第一连接器153从第二开口1111移出箱体11，避免因用电设备1震动等对第一连接器153造成拉拽，使得第一连接器153和电池单体13之间的电连接被破坏。
为了进一步提高箱体11和基体1533之间的密封性能，电池10还包括密封件1537，密封件1537设置在基体1533与箱体11的内表面之间且环绕第二开口1111设置，用于实现第一连接器153与箱体11之间的密封连接。
在一些实施例中，基体1533的第二表面1535上设有密封槽1536，密封槽1536环绕第二开口1111设置，密封槽1536的轮廓与基体1533的轮廓匹配，密封件1537设于密封槽1536内。当第一连接器153穿过第二开口1111时，密封件1537从下向上抵紧于上盖体111的下表面，以实现第一连接器153与箱体11之间的密封。密封件1537设于箱体11内，能够避免外界的磨损、腐蚀等原因造成密封失效。此外，密封件1537设置在箱体11内，避免密封件1537占用箱体11的外部空间，密封件1537环绕第二开口1111设置其密封性能更好。
在一些实施例中，密封槽1536也可以设于上盖体111的内表面，密封件1537设于上盖体111的密封槽1536内，当第一连接器153穿过第二开口1111时，第一连接器153从下至上抵紧于密封件1537，以实现第一连接器153与箱体11之间的密封。密封件1537的材料可以选用丁腈胶、硅胶、尼龙等。
在一些实施例中，第一连接器153和箱体11也可以是通过其他方式实现密封连接。
为了保证第一连接器153与箱体11之间具有稳定可靠的连接关系，在一些实施例中，电池10还包括固定件17，固定件17被配置为穿过设于箱体11上的第一通孔1112以与第一连接器153连接，从而将第一连接器153固定于箱体11。固定件17可以是螺栓、螺钉等。通过固定件17将第一连接器153固定于箱体11，使得第一连接器153相对箱体11不会发生移动，从而使得第一连接器153和电池单体13、第一连接器153与用电设备本体之间能够保持稳定的连接关系，使得第一连接器153与箱体11之间的连接具有较强的抗冲击、抗震动能力。
如图7、图8所示，本申请的一个实施例提供一种电气盒15，该电气盒15体包括盒体151、电流中断器152、第一连接器153和开关154。电流中断器152设置在盒体151内且被配置为 在电流达到预定值的情况下断开。第一连接器153用于输出电池单体13的电能。开关154设置在盒体151内，用于控制电池单体13和第一连接器153之间的通断。其中，第一连接器153固定于盒体151，第一连接器153包括用于输出电池单体13电能的第一端子1531和第二端子1532，第一端子1531与电流中断器152电连接，第二端子1532与开关154电连接。将能够输出电池单体13的电能的第一连接器153集成于电气盒15的盒体151，使得电气盒15与第一连接器153之间不需要设置较长的导电结构40，降低成本，减小空间占用，提高空间利用率。
在一些实施例中，电流中断器152能够在电流达到预定值的情况下断开第一连接器153对电池单体13的电能的输出，以保证用电安全。
开关154的设置能够根据需要切断或者导通电池单体13和第一连接器153之间的电连接，避免电池单体13过度充、放电。在一些实施例中，开关154为继电器。
如图9、图10所示，在一些实施例中，第一连接器153包括第一端子1531、第二端子1532和基体1533，第一端子1531和第二端子1532固定于基体1533，盒体151上设有第一开口1511，第一连接器153被配置为伸入第一开口1511，以与开关154和电流中断器152电连接。
基体1533具有相对的第一表面1534和第二表面1535，其中，第一表面1534和第二表面1535为基体1533的相对布置的两个表面。
盒体151包括上盒体1512和下盒体1513，上盒体1512与下盒体1513连接以形成盒体151。第一开口1511设置于上盒体1512上，第一端子1531和第二端子1532从上盒体1512的外侧伸入第一开口1511，使得第一连接器153至少部分容纳于盒体151内，合理的利用了盒体151内的空间，使得电气盒15的结构更加紧凑，同时减少了第一连接器153对盒体151外部空间的占用。
当第一端子1531和第二端子1532伸入第一开口1511后，基体1533的第一表面1534从盒体151的外侧覆盖第一开口1511，并与上盒体1512上表面抵接，能够对第一开口1511起到一定的密封作用，避免外界的杂质进入盒体151内，影响电气盒15的安全性能和损坏盒体151内零部件。此外，当第一连接器153与用电设备本体的第二连接器对接时，第二连接器对第一连接器153有反作用力，由于基体1533的第一表面1534与盒体151的上盒体1512抵接，上盒体1512能够为第一连接器153提供支撑着力点，以使第一连接器153能够完成与第二连接器对接。
在一些实施例中，电气盒15还包括第一导电件155和第二导电件156，第一导电件155的一端与第一端子1531连接，另一端与电流中断器152连接；第二导电件156的一端与第二端子1532连接，另一端与开关154连接。第一导电件155和第二导电件156均固定于盒体151，第一连接器153通过第一导电件155和第二导电件156固定于盒体151。
电气盒15还包括电流传感器157，电流传感器157设置于盒体151内，且电流传感器157设置于第一连接器153和电池单体13之间的电路。电流传感器157的设置便于采集电池单体13和第一连接器153所在的支路的电流信息。
在一些实施例中，如图10所示，电气盒15还包括加热继电器158，加热继电器158设于加热支路上，加热支路上设有加热元件159，加热元件159分别与所述的多个电池单体13的第一输出极和第二输出极连接，加热继电器158用于控制加热元件159与电池单体13之间的通断。加热支路与开关154和电流中断器152所在的支路并联，加热支路用于控制加热元件159对其他部件加热，比如，在外界环境温度较低而影响电池10的正常工作的情况下，加热支路控制加热元件159对电池10内部加热，以使电池10内部的温度保持在能够满足电池10正常工作的范围内。当然，加热支路也可以用作其他用途。
电流传感器157可以安装在第一连接器153和开关154所在支路的任意位置。在一些实施例中，供电模块14的第一输出极为正极，供电模块14的第二输出极为负极，第一连接器153的第一端子1531为正极连接端子，第一连接器153的第二端子1532为负极连接端子，第一端子1531与电流中断器152之间通过第一导电件155连接，第二端子1532与开关154之间通过第二导电件156连接。电流中断器152与第一输出极通过第三导电件160连接。开关154与电流传感器157之间通过第四导电件161连接，电流传感器157与第二输出极之间通过第五导电件162连接。
第一导电件155、第二导电件156、第三导电件160、第四导电件161和第五导电件162均为铜排。
在一些实施例中，电流传感器157可以安装于第一输出极和电流中断器152之间，也可以安装于电流中断器152和第一连接器153之间，还可以安装于第一连接器153和开关154之间。
以上仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (12)

  1. 一种电气盒，用于电池，所述电池包括电池单体，其中，所述电气盒包括：
    盒体；
    电流中断器，设置在所述盒体内且被配置为在电流达到预定值的情况下断开；
    第一连接器，用于输出所述电池的电能；
    开关，设置在所述盒体内，用于控制所述电池单体和所述第一连接器之间的通断；
    其中，所述第一连接器固定于所述盒体，所述第一连接器包括用于输出所述电池电能的第一端子和第二端子，所述第一端子与所述电流中断器电连接，所述第二端子与所述开关电连接。
  2. 根据权利要求1所述的电气盒，其中，所述盒体上设有第一开口，所述第一连接器被配置为伸入所述第一开口，以与所述开关和所述电流中断器电连接。
  3. 根据权利要求2所述的电气盒，其中，所述第一连接器包括基体，所述基体从所述盒体的外侧覆盖所述第一开口，所述第一端子和所述第二端子固定于所述基体。
  4. 根据权利要求1-3中任一项所述的电气盒，其中，所述电气盒还包括：
    第一导电件，所述第一导电件的一端与所述第一端子连接，另一端与所述电流中断器连接；
    第二导电件，所述第二导电件的一端与所述第二端子连接，另一端与所述开关连接。
  5. 根据权利要求4中所述的电气盒，其中，所述第一导电件和所述第二导电件均固定于所述盒体，所述第一连接器通过所述第一导电件和所述第二导电件固定于所述盒体。
  6. 根据权利要求1-5任一项所述的电气盒，其中，所述电气盒还包括：
    电流传感器，所述电流传感器设置于所述盒体内，且所述电流传感器设置于所述第一连接器和所述电池单体之间的电路。
  7. 一种电池，其中，包括：
    箱体；
    多个电池单体，设置在所述箱体的内部；以及
    根据权利要求1-6任一项所述的电气盒，所述电气盒固定于所述箱体的内部。
  8. 根据权利要求7所述的电池，其中，所述箱体上设有第二开口，所述第二开口用于供所述第一连接器穿出，以通过所述第一连接器将所述电池的电能输出到所述箱体的外部。
  9. 根据权利要求8所述的电池，其中，所述第一连接器包括基体，所述基体从所述箱体的内侧覆盖所述第二开口，所述第一端子和所述第二端子固定于所述基体。
  10. 根据权利要求9所述的电池，其中，所述电池还包括：
    密封件，所述密封件设置在所述基体与所述箱体的内表面之间且环绕所述第二开口，所述密封件用于实现所述第一连接器与所述箱体之间的密封连接。
  11. 根据权利要求7-10任一项所述的电池，其中，所述电池还包括：
    固定件，所述固定件被配置为穿过所述箱体以与所述第一连接器连接，从而将所述第一连接器固定于所述箱体。
  12. 一种用电设备，其中，包括根据权利要求7-11任一项所述的电池。
PCT/CN2021/112490 2020-09-30 2021-08-13 电气盒、电池及用电设备 WO2022068422A1 (zh)

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