CN113300012A - New energy automobile battery management device and management method - Google Patents

New energy automobile battery management device and management method Download PDF

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Publication number
CN113300012A
CN113300012A CN202110854923.3A CN202110854923A CN113300012A CN 113300012 A CN113300012 A CN 113300012A CN 202110854923 A CN202110854923 A CN 202110854923A CN 113300012 A CN113300012 A CN 113300012A
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China
Prior art keywords
wall
battery pack
management device
lithium battery
new energy
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CN202110854923.3A
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Chinese (zh)
Inventor
雷靓
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Shenzhen Zhuoyu Operation Technology Co ltd
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Shenzhen Zhuoyu Operation Technology Co ltd
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Priority to CN202110854923.3A priority Critical patent/CN113300012A/en
Publication of CN113300012A publication Critical patent/CN113300012A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64Constructional details of batteries specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66Arrangements of batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a new energy automobile battery management device and a management method, wherein the new energy automobile battery management device comprises a main shell and a lithium battery pack, the lithium battery pack is horizontally arranged in the main shell, a buffer mechanism corresponding to the lithium battery pack is arranged on the inner wall of the main shell, one side of the main shell, which is close to the buffer mechanism, is provided with a mounting groove, a heat dissipation fan is fixedly connected in the mounting groove, and the inner wall of the mounting groove is provided with a plurality of vent holes, and the new energy automobile battery management device comprises the following steps: step 1: monitoring the temperature condition of the lithium battery pack through a temperature sensor, and monitoring the discharge condition of the lithium battery pack through a current sensor; step 2: the temperature sensor and the current sensor send monitoring signals to the controller; and step 3: and the control center analyzes and processes the monitoring signals. According to the invention, through the arrangement of the temperature monitoring mechanism, the heat dissipation mechanism and the current monitoring mechanism, the management device can timely and rapidly monitor the working condition of the battery, so that the use safety of the lithium battery pack is effectively ensured.

Description

New energy automobile battery management device and management method
Technical Field
The invention relates to the technical field of lithium battery management equipment, in particular to a new energy automobile battery management device and a new energy automobile battery management method.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.
Lithium batteries are batteries using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, and due to the chemical characteristics of lithium metal, the lithium metal has high requirements on the environment in processing, storage and use, and can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain lithium in a metal state and can be charged.
However, the existing new energy automobile battery management device is simple, and the management device cannot manage and monitor the lithium battery pack timely and quickly, so that the use safety of the lithium battery pack is affected.
Disclosure of Invention
The invention aims to solve the problems that a new energy automobile battery management device is simple and cannot manage and monitor a lithium battery pack timely and quickly in the prior art, and provides the new energy automobile battery management device and the new energy automobile battery management method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the new energy automobile battery management device comprises a main shell and a lithium battery pack, wherein the lithium battery pack is horizontally arranged in the main shell, a buffer mechanism corresponding to the lithium battery pack is arranged on the inner wall of the main shell, an installation groove is formed in one side, close to the buffer mechanism, of the main shell, a heat dissipation fan is fixedly connected in the installation groove, and a plurality of ventilation holes are formed in the inner wall of the installation groove;
the inner wall of the main shell is provided with a plurality of symmetrically arranged heat dissipation ports, a first dustproof net is fixedly inserted in the heat dissipation ports, the output end of the lithium battery pack is provided with a wire group, the inner wall of the main shell is provided with a wire through hole corresponding to the wire group, the wire group is provided with a current sensor, and the outer wall of the lithium battery pack is fixedly connected with a plurality of temperature sensors;
the bottom of the main shell is provided with an installation opening, a baffle is connected in the installation opening in a sliding manner, one end of the baffle penetrates through the inner wall of the installation opening and is fixedly connected with a clamping block, the outer wall of the main shell is provided with a sliding groove, a locking mechanism corresponding to the clamping block is fixedly connected in the sliding groove, and the inner top of the main shell is sequentially provided with a controller, a memory, a power supply, a signal receiver and a signal transmitter;
fixedly connected with siren on the outer wall of main casing body, current sensor, signal receiver, power and temperature sensor's output all is connected with the input of controller, the output of controller is connected with signal transmitter, memory, siren and the input of heat dissipation fan respectively.
Preferably, buffer gear includes the backing plate, a plurality of guide arm sliding connection that the backing plate set up through the symmetry with the inner wall of main casing body, the cover is equipped with first spring on the guide arm, the both ends of first spring respectively with the inner wall fixed connection of backing plate and main casing body.
Preferably, the inner wall of the main casing body is provided with a sliding cavity corresponding to the guide rod, and one end of the guide rod, which is located in the sliding cavity, is fixedly connected with a limiting block.
Preferably, the locking mechanism comprises a sliding rod, an L-shaped clamping rod is sleeved on the sliding rod in a sliding mode, a clamping groove corresponding to the L-shaped clamping rod is formed in the clamping block, a second spring is sleeved on the sliding rod, and two ends of the second spring are fixedly connected with the L-shaped clamping rod and the inner wall of the sliding groove respectively.
Preferably, the outer wall of the lithium battery pack is fixedly connected with a plurality of locking blocks, and locking ports are formed in the locking blocks.
Preferably, the top of main casing body is equipped with the maintenance mouth, it is connected with the backplate to maintain the intraoral rotation through the pivot, the backplate is kept away from the one end of pivot and is maintained the intraoral wall of mouth and pass through locking screw fixed connection.
Preferably, a partition board is arranged between the current sensor and the lithium battery pack, and the edge of the partition board is fixedly connected with the inner wall of the main shell.
Preferably, the baffle is provided with a through hole, and a second dustproof net is fixedly inserted into the through hole.
Preferably, a limiting sleeve is fixedly sleeved at one end, far away from the clamping block, of the baffle plate.
The invention also provides a management method of the new energy automobile battery management device, which comprises the following steps:
step 1: monitoring the temperature condition of the lithium battery pack through a temperature sensor, and monitoring the discharge condition of the lithium battery pack through a current sensor;
step 2: the temperature sensor and the current sensor send monitoring signals to the controller, and the controller sends the monitoring signals to the control center through the signal transmitter;
and step 3: the control center analyzes and processes the monitoring signals, then sends control instructions to the controller through the signal receiver, and the controller controls the heat dissipation fan and the alarm.
Compared with the prior art, the new energy automobile battery management device and the new energy automobile battery management method provided by the invention have the following beneficial effects:
compared with the prior art, the invention has the advantages that:
(1) according to the invention, through the arrangement of the temperature monitoring mechanism, the heat dissipation mechanism and the current monitoring mechanism, the management device can timely and rapidly monitor the working condition of the battery, so that the use safety of the lithium battery pack is effectively ensured.
(2) According to the invention, through the arrangement of the buffer mechanism, a certain shock absorption and buffering effect can be achieved on the lithium battery pack, meanwhile, through the arrangement of the heat dissipation fan, a heat dissipation effect can be achieved on the lithium battery pack, and through holes and heat dissipation ports can be arranged to enhance the heat dissipation capacity of the main shell.
(3) According to the invention, the arrangement of the mounting port and the maintenance port can be convenient for maintaining the control element and the lithium battery pack in the main shell, and the arrangement of the baffle and the guard plate can be used for protecting the control element in the main shell.
(4) According to the invention, the locking block is arranged, so that the lithium battery pack can be conveniently fixed and detached, meanwhile, the signal receiver and the signal transmitter are arranged, so that remote control can be conveniently carried out, and meanwhile, the alarm can give out an alarm in time.
Drawings
Fig. 1 is a schematic structural diagram of a new energy vehicle battery management device according to the present invention;
fig. 2 is a schematic side view of a heat dissipation fan of the battery management device of the new energy vehicle according to the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of the structure at B in FIG. 1;
fig. 5 is a schematic diagram of a control system of the new energy vehicle battery management device according to the present invention.
In the figure: the device comprises a main shell 1, a lithium battery pack 2, a mounting groove 3, a heat dissipation fan 4, a heat dissipation port 5, a first dustproof net 6, a lead wire group 7, a current sensor 8, a temperature sensor 9, a mounting opening 10, a baffle 11, a clamping block 12, a sliding groove 13, a controller 14, a memory 15, a power supply 16, a signal receiver 17, a signal transmitter 18, an alarm 19, a backing plate 20, a guide rod 21, a sliding cavity 22, a limiting block 23, a sliding rod 24, a clamping rod 25L, a second spring 26, a locking block 27, a maintenance opening 28, a rotating shaft 29, a protective plate 30, a locking screw 31, a partition plate 32, an opening 33, a second dustproof net 34, a limiting sleeve 35 and a first spring 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-5, the new energy automobile battery management device comprises a main shell 1 and a lithium battery pack 2, wherein the lithium battery pack 2 is horizontally arranged in the main shell 1, a plurality of locking blocks 27 are fixedly connected to the outer wall of the lithium battery pack 2, locking ports are formed in the locking blocks 27, the lithium battery pack 2 is convenient to fixedly disassemble, a maintenance port 28 is formed in the top of the main shell 1, a control element is convenient to inspect and maintain, a protection plate 30 is rotatably connected to the inside of the maintenance port 28 through a rotating shaft 29 and used for protecting the control element, and one end, away from the rotating shaft 29, of the protection plate 30 is fixedly connected with the inner wall of the maintenance port 28 through a locking screw 31, so that the protection plate 30 is convenient to fix;
according to the invention, a buffer mechanism corresponding to the lithium battery pack 2 is arranged on the inner wall of the main shell 1, the buffer mechanism comprises a base plate 20 and plays a certain role in shock absorption and buffering for the lithium battery pack 2, the base plate 20 is in sliding connection with the inner wall of the main shell 1 through a plurality of guide rods 21 which are symmetrically arranged, so that the base plate 20 is prevented from shaking, a first spring 36 is sleeved on each guide rod 21, two ends of each first spring 36 are respectively fixedly connected with the base plate 20 and the inner wall of the main shell 1, and a certain elastic buffer function is played for the base plate 20;
in the invention, a sliding cavity 22 corresponding to a guide rod 21 is arranged on the inner wall of a main shell 1, one end of the guide rod 21, which is positioned in the sliding cavity 22, is fixedly connected with a limiting block 23 to prevent the guide rod 21 from falling off from the sliding cavity, one side of the main shell 1, which is close to a buffer mechanism, is provided with a mounting groove 3, a heat dissipation fan 4 is fixedly connected in the mounting groove 3 and used for dissipating heat and cooling a lithium battery pack 2, and a plurality of ventilation holes are arranged on the inner wall of the mounting groove 3 to enhance the ventilation capability in the main shell 1;
in the invention, a plurality of symmetrically arranged heat dissipation ports 5 are arranged on the inner wall of a main shell 1 and used for cooling and dissipating heat of a lithium battery pack 2, a first dustproof net 6 is fixedly inserted in each heat dissipation port 5 to prevent dust from entering the main shell 1, a lead group 7 is arranged at the output end of the lithium battery pack 2, a through hole corresponding to the lead group 7 is arranged on the inner wall of the main shell 1, a current sensor 8 is arranged on the lead group 7, a partition plate 32 is arranged between the current sensor 8 and the lithium battery pack 2 and used for separating a control element from the lithium battery pack 2, the edge of the partition plate 32 is fixedly connected with the inner wall of the main shell 1, and a plurality of temperature sensors 9 are fixedly connected to the outer wall of the lithium battery pack 2 and used for monitoring the temperature of the lithium battery pack 2;
according to the invention, the bottom of the main shell 1 is provided with the mounting port 10, so that the lithium battery pack 2 is convenient to maintain, the mounting port 10 is connected with the baffle 11 in a sliding manner, the baffle 11 is provided with the through hole 33, the second dustproof net 34 is fixedly inserted in the through hole 33 to prevent dust from entering the main shell 1, one end of the baffle 11 penetrates through the inner wall of the mounting port 10 and is fixedly connected with the fixture block 12, the outer wall of the main shell 1 is provided with the chute 13, and the chute 13 is internally and fixedly connected with the locking mechanism corresponding to the fixture block 12;
according to the invention, the locking mechanism comprises a sliding rod 24 for supporting an L-shaped clamping rod 25, the sliding rod 24 is sleeved with the L-shaped clamping rod 25 in a sliding manner, a clamping groove corresponding to the L-shaped clamping rod 25 is formed in the clamping block 12, a second spring 26 is sleeved on the sliding rod 24, two ends of the second spring 26 are respectively fixedly connected with the L-shaped clamping rod 25 and the inner wall of the sliding groove 13 to elastically support the L-shaped clamping rod 25 to a certain extent, a limiting sleeve 35 is fixedly sleeved at one end, far away from the clamping block 12, of the baffle plate 11, and a controller 14, a memory 15, a power supply 16, a signal receiver 17 and a signal transmitter 18 are sequentially arranged at the inner top of the main shell 1;
in the invention, the alarm 19 is fixedly connected to the outer wall of the main shell 1, when the temperature of the lithium battery pack 2 is abnormal, an alarm can be given in time, the output ends of the current sensor 8, the signal receiver 17, the power supply 16 and the temperature sensor 9 are all connected with the input end of the controller 14, and the output end of the controller 14 is respectively connected with the signal transmitter 18, the memory 15, the alarm 19 and the input end of the heat dissipation fan 4, and is used for controlling the alarm 19 and the heat dissipation fan 4.
The management method of the new energy automobile battery management device comprises the following steps:
step 1: monitoring the temperature condition of the lithium battery pack 2 through a temperature sensor 9, and monitoring the discharge condition of the lithium battery pack 2 through a current sensor 8;
step 2: the temperature sensor 9 and the current sensor 8 send monitoring signals to the controller 14, and the controller 14 sends the monitoring signals to the control center through the signal emitter 18;
and step 3: the control center analyzes and processes the monitoring signal, then sends a control command to the controller 14 through the signal receiver 17, and the controller 14 controls the heat dissipation fan 4 and the alarm 19.
According to the invention, through the arrangement of the buffer mechanism, a certain shock absorption and buffering effect can be achieved on the lithium battery pack 2, meanwhile, the arrangement of the heat dissipation fan 4 can achieve a heat dissipation effect on the lithium battery pack 2, and meanwhile, the arrangement of the heat dissipation port 5 and the through hole 33 can enhance the heat dissipation capacity of the main shell 1.
In the invention, the arrangement of the mounting port 10 and the maintenance port 28 can facilitate the maintenance of the control element and the lithium battery pack 2 in the main casing 1, and the arrangement of the baffle 11 and the guard plate 30 can protect the control element in the main casing 1.
According to the invention, the locking block 27 is arranged, so that the lithium battery pack 2 can be conveniently fixed and detached, meanwhile, the signal receiver 17 and the signal transmitter 18 are arranged, so that remote control can be conveniently carried out, and meanwhile, the alarm 19 can give an alarm in time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The new energy automobile battery management device comprises a main shell (1) and a lithium battery pack (2), wherein the lithium battery pack (2) is horizontally arranged in the main shell (1), and the new energy automobile battery management device is characterized in that a buffering mechanism corresponding to the lithium battery pack (2) is arranged on the inner wall of the main shell (1), one side, close to the buffering mechanism, of the main shell (1) is provided with a mounting groove (3), a heat dissipation fan (4) is fixedly connected in the mounting groove (3), and a plurality of ventilation holes are formed in the inner wall of the mounting groove (3);
a plurality of symmetrically arranged heat dissipation ports (5) are formed in the inner wall of the main shell (1), a first dustproof net (6) is fixedly inserted in each heat dissipation port (5), a wire group (7) is arranged at the output end of the lithium battery pack (2), a wire through hole corresponding to the wire group (7) is formed in the inner wall of the main shell (1), a current sensor (8) is arranged on each wire group (7), and a plurality of temperature sensors (9) are fixedly connected to the outer wall of the lithium battery pack (2);
the bottom of the main shell (1) is provided with a mounting hole (10), a baffle (11) is connected in the mounting hole (10) in a sliding mode, one end of the baffle (11) penetrates through the inner wall of the mounting hole (10) and is fixedly connected with a clamping block (12), the outer wall of the main shell (1) is provided with a sliding groove (13), a locking mechanism corresponding to the clamping block (12) is fixedly connected in the sliding groove (13), and the inner top of the main shell (1) is sequentially provided with a controller (14), a memory (15), a power supply (16), a signal receiver (17) and a signal transmitter (18);
fixedly connected with siren (19) on the outer wall of main casing body (1), current sensor (8), signal receiver (17), power (16) and temperature sensor (9)'s output all is connected with the input of controller (14), the output of controller (14) is connected with signal transmitter (18), memory (15), siren (19) and the input of heat dissipation fan (4) respectively.
2. The new energy automobile battery management device according to claim 1, characterized in that the buffer mechanism comprises a base plate (20), the base plate (20) is slidably connected with the inner wall of the main casing (1) through a plurality of symmetrically arranged guide rods (21), a first spring (36) is sleeved on each guide rod (21), and two ends of the first spring (36) are fixedly connected with the base plate (20) and the inner wall of the main casing (1) respectively.
3. The new energy automobile battery management device according to claim 2, characterized in that a sliding cavity (22) corresponding to the guide rod (21) is arranged on the inner wall of the main casing (1), and a limiting block (23) is fixedly connected to one end of the guide rod (21) located in the sliding cavity (22).
4. The new energy automobile battery management device according to claim 1, wherein the locking mechanism comprises a sliding rod (24), an L-shaped clamping rod (25) is slidably sleeved on the sliding rod (24), a clamping groove corresponding to the L-shaped clamping rod (25) is formed in the clamping block (12), a second spring (26) is sleeved on the sliding rod (24), and two ends of the second spring (26) are respectively fixedly connected with the L-shaped clamping rod (25) and the inner wall of the sliding groove (13).
5. The new energy automobile battery management device according to claim 1, characterized in that a plurality of locking blocks (27) are fixedly connected to the outer wall of the lithium battery pack (2), and locking ports are formed in the locking blocks (27).
6. The new energy automobile battery management device according to claim 1, characterized in that a maintenance opening (28) is formed in the top of the main casing (1), a protection plate (30) is rotatably connected in the maintenance opening (28) through a rotating shaft (29), and one end, far away from the rotating shaft (29), of the protection plate (30) is fixedly connected with the inner wall of the maintenance opening (28) through a locking screw (31).
7. The new energy automobile battery management device according to claim 1, characterized in that a partition plate (32) is arranged between the current sensor (8) and the lithium battery pack (2), and the edge of the partition plate (32) is fixedly connected with the inner wall of the main shell (1).
8. The new energy automobile battery management device according to claim 1, characterized in that a through hole (33) is formed in the baffle (11), and a second dust screen (34) is fixedly inserted into the through hole (33).
9. The new energy automobile battery management device according to claim 1, characterized in that a limiting sleeve (35) is fixedly sleeved on one end of the baffle (11) far away from the fixture block (12).
10. The management method of the new energy automobile battery management device is characterized by comprising the following steps:
step 1: the temperature condition of the lithium battery pack (2) is monitored through a temperature sensor (9), and the discharge condition of the lithium battery pack (2) is monitored through a current sensor (8);
step 2: the temperature sensor (9) and the current sensor (8) send monitoring signals to the controller (14), and the controller (14) sends the monitoring signals to the control center through the signal emitter (18);
and step 3: the control center analyzes and processes the monitoring signals, then sends control instructions to the controller (14) through the signal receiver (17), and the controller (14) controls the heat dissipation fan (4) and the alarm (19).
CN202110854923.3A 2021-07-28 2021-07-28 New energy automobile battery management device and management method Pending CN113300012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110854923.3A CN113300012A (en) 2021-07-28 2021-07-28 New energy automobile battery management device and management method

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Application Number Priority Date Filing Date Title
CN202110854923.3A CN113300012A (en) 2021-07-28 2021-07-28 New energy automobile battery management device and management method

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CN114279201A (en) * 2022-01-04 2022-04-05 深圳市圣柏林橡塑电子有限公司 Heater for dry cooker based on electric heating glass and use method
CN114388960A (en) * 2021-12-06 2022-04-22 西安理工大学 Battery pack assembling mechanism with electrostatic protection function
CN117928619A (en) * 2024-03-21 2024-04-26 杭州翎贤科技有限公司 Self-aligned high-precision optical sensor unit

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Application publication date: 20210824