CN104201430A - Smart battery and electric car - Google Patents

Smart battery and electric car Download PDF

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Publication number
CN104201430A
CN104201430A CN201410382694.XA CN201410382694A CN104201430A CN 104201430 A CN104201430 A CN 104201430A CN 201410382694 A CN201410382694 A CN 201410382694A CN 104201430 A CN104201430 A CN 104201430A
Authority
CN
China
Prior art keywords
battery
described
single lattice
storage battery
lattice storage
Prior art date
Application number
CN201410382694.XA
Other languages
Chinese (zh)
Inventor
周明明
蒋林林
徐伟良
刘孝伟
Original Assignee
超威电源有限公司
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
Priority to CN201310601219.2A priority Critical patent/CN103682482A/en
Priority to CN201310601219.2 priority
Application filed by 超威电源有限公司 filed Critical 超威电源有限公司
Priority to CN201410382694.XA priority patent/CN104201430A/en
Publication of CN104201430A publication Critical patent/CN104201430A/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01M10/4257Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01M10/4285Testing apparatus
    • HELECTRICITY
    • H01BASIC ELECTRIC 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 condition, e.g. level or density of the electrolyte
    • HELECTRICITY
    • H01BASIC ELECTRIC 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 condition, e.g. level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01BASIC ELECTRIC 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 condition, e.g. level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC 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 condition, e.g. level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for externally visualisation of the condition, e.g. by change of colour or of light intensity
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01M2010/4278Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane

Abstract

The invention discloses a smart battery and an electric car. The smart battery comprises a storage battery pack formed by connecting a plurality of single storage batteries in series, wherein each single storage battery comprises a battery management module, a current sensing module and a battery terminal; the battery terminal is connected with the current sensing module and the battery management module; the current sensing module comprises a current sensor and a magnet ring matched with the current sensor. The smart battery has the advantages that comparison of the charge and discharge conditions of each single storage battery can be achieved to prevent floating charge of the single storage battery, and the data of each single storage battery can be transmitted to a server via the internet to be convenient for technicians to monitor in a centralized manner.

Description

A kind of intelligent battery and electric motor car

Technical field

The present invention relates to a kind ofly can realize wireless telecommunications between single lattice storage battery and can carry out the electric motor car that Real-Time Monitoring is adjusted the intelligent battery of charge and discharge process and used this battery.

Background technology

The terminal voltage of the single lattice storage battery in a common lead-acid batteries is about 2 volts, if need a higher cell voltage, 6 volts, 8 volts, 12 volts of for example commonly using etc., will connect to meet power reguirements by single lattice storage battery of more piece.But owing to there are differences between single lattice storage battery, can cause two problems, the first charging time can cause a certain single lattice accumulator super-charge, and it two can cause a certain single lattice storage battery to cross while being electric discharge to put, above two problems all can affect the balance of whole batteries work, have potential safety hazard.For this reason, also there is technical staff to design battery management module batteries charge status is monitored, only carry out for whole batteries but monitor, still cannot solve the difference problem between single lattice storage battery.

Summary of the invention

In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of intelligent battery, comprise the batteries being composed in series by several single lattice storage batterys, it is characterized in that: described single lattice storage battery comprises battery management module, current sense assembly and battery terminal, described battery terminal is connected with described current sense assembly and described battery management module, the magnet ring that described current sense assembly comprises current sensor and is equipped with current sensor.

Preferably, described current sensor is located in the breach of magnet ring, and described magnet ring is nested with on battery terminal.

Preferably, on each single lattice storage battery, be provided with an end cover for battery cells, described end cover for battery cells is provided with the transducer groove of placing described current sensor.

Preferably, described transducer bottom portion of groove is provided with bottom outlet, and battery terminal is connected with the current sense assembly being arranged in transducer groove through described bottom outlet.

Preferably, described current sensor is Hall current sensor, be provided with one week shirt rim at transducer groove bottom outlet periphery, the perisporium of described shirt rim and transducer groove and transducer bottom portion of groove surround a magnet ring groove, and the magnet ring being equipped with current sensor is placed in magnet ring groove.

Preferably, in described each single lattice storage battery, be also provided with wireless communication module, the wireless communication module of each single lattice storage battery intercoms mutually.

Preferably, described battery management module comprises microcontroller and equalizing circuit, and described equalizing circuit connects the battery terminal of single lattice storage battery, and described equalizing circuit connects microcontroller, and described microcontroller connects described current sensor.

Preferably, at batteries outsourcing one housing, described housing is provided with hole, and the battery management module on each single lattice storage battery is connected in the display unit outside housing by the hole on housing, and described display unit is arranged on housing.

In addition, the present invention also provides a kind of electric motor car, and this electric motor car uses above-mentioned intelligent battery.

Adopt after technique scheme, tool of the present invention has the following advantages:

Carry out detecting between each single lattice storage battery the communication of data by the wireless communication module being arranged on each single lattice storage battery, form a WLAN (wireless local area network), the comparison that facilitates the battery management module on each single lattice storage battery to transmit data and discharge and recharge each other degree by wireless communication module, to control the balance of each single lattice storage battery, and by the Internet by the transfer of data of each single lattice storage battery to server, be convenient to the monitoring of server to each single storage battery in batteries, and control to whole batteries.

Brief description of the drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:

Fig. 1 is principle of the invention schematic diagram;

Fig. 2 is the A place partial enlarged drawing of Fig. 1;

Fig. 3 is the B place partial enlarged drawing of Fig. 1;

Fig. 4 is battery pack structure schematic diagram.

Embodiment

Referring to Fig. 1, a kind of intelligent wireless battery, comprise the batteries being composed in series by several single lattice storage batterys 1, the battery terminal 11 of described single lattice storage battery 1 connects the transducer that detects battery parameter separately, transducer connects battery management module 6, the transfer of data that transducer gathers is to battery management module 6, described battery management module 6 connects wireless communication module 5, on each single lattice storage battery 1, be provided with an end cover for battery cells 2, described end cover for battery cells 2 is provided with a mounting groove 3, in described mounting groove 3, be provided with and interconnect battery management module 6 and wireless communication module 5, and the wireless communication module of each single lattice storage battery 1 intercoms mutually, the wireless communication module of intercommunication forms a WLAN (wireless local area network) 9 mutually, and be also provided with internet communication port on single lattice storage battery, can be from internet communication port connected with network cable 10 through the Internet to outside server.Transducer includes voltage sensor, current sensor and temperature sensor, detect the voltage of each single lattice storage battery by described transducer, electric current and temperature signal data, and judge operation and the health status that single lattice storage battery is current, above-mentioned analysis judges by the battery management module 6 on end cover for battery cells 2 to be undertaken, battery management module can be carried out the comparison of single lattice storage battery each other by the WLAN (wireless local area network) 9 being made up of the wireless communication module on each single lattice storage battery, concrete, transducer by described detection battery parameter current sensor detect the electric current of each single lattice storage battery, described battery management module is carried out battery capacity calculating by the integral operation of electric current, and judge operation and the health status that single lattice storage battery is current, the voltage of each single lattice storage battery of voltage sensor senses of the transducer by described detection battery parameter, the temperature sensor of the transducer by described detection battery parameter is set the reference voltage of each single lattice storage battery, and judges operation and health status that single lattice storage battery is current, in the time that battery management module 6 searches find that the amount of batteries of the single lattice storage battery 1 connecting obviously exceeds or be less than other single lattice storage batterys, can judge that this list lattice storage battery falls behind, need to carry out electric weight compensation, keep the harmony of batteries.Can setting sensor sampling time interval be 20 milliseconds, every 20 milliseconds sampling should be carried out, and the Battery pack supplemental characteristic collecting is stored in the microcontroller of each single lattice storage battery, then compares.In addition be connected through the internet to outside server, staff can grasp the operating state of batteries at any time, and the operating state of each single lattice storage battery, be convenient to pinpoint the problems in time, in order to avoid occur over-charging of battery or charge less problem, and in the time finding that there is over-charging of battery or charge less, can control by server, balanced each single lattice storage battery charge and discharge electric weight, realize the telemanagement of batteries.Described wireless communication module can adopt the wireless telecommunications chip with two-way function of rf frequency at 2.4GHZ, 433MHZ or 915MHZ.Battery management module 6 and wireless communication module 5 are arranged in mounting groove 3, are self-contained within on single lattice storage battery intensive each element, have simplified circuit, have reduced single lattice storage battery taking up room in the housing of batteries.

Voltage sensor, current sensor and the temperature sensor of the above is separately positioned in three transducer grooves 4 on the end cover for battery cells of single lattice storage battery, specifically referring to Fig. 1.Divide the transducer that is arranged, transducer and battery management module are not prone to misconnection phenomenon.Be connected with the battery terminal of single lattice storage battery for convenience of described transducer, described transducer groove 4 bottoms are provided with a bottom outlet, and the battery terminal 11 of single lattice storage battery 1 is connected with the transducer being arranged in transducer groove 4 through bottom outlet.The connection of shortening, is difficult for causing staggered.

As a kind of preferred embodiment, described battery management module comprises microcontroller and equalizing circuit, described equalizing circuit connects the battery terminal 11 of single lattice storage battery, and described equalizing circuit connects microcontroller, and described microcontroller connects the transducer of described detection battery parameter.Described equalizing circuit mainly carries out the equilibrium of battery charging and discharging by resistance power consumption balanced mode and electromagnetic energy conversion balanced mode.After microcontroller is analyzed and judged, when finding single lattice storage battery charge less or overcharging, realize the balance between each single lattice storage battery by controlling equalizing circuit effect.

As a kind of preferred implementation, specifically referring to Fig. 2, described current sensor is Hall current sensor 12, be provided with one week shirt rim at transducer groove 4 bottom outlet peripheries, the perisporium of described shirt rim and transducer groove 4 and transducer groove 4 bottoms surround magnet ring 13 grooves, and the magnet ring 13 being equipped with current sensor is placed in magnet ring 13 grooves.Hall element is installed more stable and prevent from not being vulnerable to other electromagnetic interference in independent transducer groove.

As a kind of preferred implementation, on described mounting groove 3, be stamped a cover plate 8, be provided with two slide rails 7 at the periphery of mounting groove 3, described cover plate 8 covers on mounting groove 3 along slide rail 7.Cover plate 8 is covered on mounting groove, can avoid wiring to arch upward, and in the time that storage battery shakes or rocks, battery management module and wireless communication module are difficult for falling mounting groove outside, specifically referring to Fig. 3.

The present situation of understanding for convenience storage battery can connect a display unit, and the installation site of display unit can, with reference to following two kinds of modes, be not limited to lifted position certainly.

Embodiment 1:

The above battery management module 6 of battery cover at described each single lattice storage battery connects a display unit, described display unit is arranged on described cover plate 8, display unit can show the parameters such as voltage, electric current, temperature, capacity, battery remaining power SOC and the cell health state SOH of single lattice storage battery, each single lattice storage battery is installed a display unit, in the time of battery generation problem, be convenient to find in time problematic single lattice storage battery.

Embodiment 2:

As shown in Figure 4, by batteries outsourcing one housing 14, described housing is provided with hole, and the battery management module 6 on each single lattice storage battery is connected in the display unit 15 outside housing by the hole on housing, and described display unit is arranged on housing.The parameter situation of all single lattice storage battery in battery case is all presented in display unit, and staff is very clear to the situation of all single lattice storage battery in batteries, is convenient to comparison and judgement, and has saved the use of display unit.

This external display device can be Vehicular display device, handheld PC display, portable computer or mobile phone etc., can be arranged on to be convenient to personnel and to monitor Anywhere, certainly also can realize being connected of display unit and battery management module by wireless mode.

In above-described embodiment, be that battery management module 6 and wireless communication module 5 are arranged in the mounting groove 3 on end cover for battery cells 2, still, battery management module 6 and wireless communication module 5 are arranged on and also can be mounted on other positions.For example, be arranged on cover plate, this cover plate can be the cover plate 8 on mounting groove, can be also the cover plate that covers exhaust valve port, or is arranged on the side of battery container.If adopted after cover plate mounting means, the valve port of equalizer and storage battery is far away, is conducive to acid-mist; If battery management module is arranged on to the side of housing, can not affect to side surface direction expansion the production technology of storage battery.

In addition, it should be noted that, this intelligent battery can use in electric motor car.But be not limited to use in electric motor car.

Except above preferred embodiment, the present invention also has other execution mode, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.

Claims (9)

1. an intelligent battery, comprise the batteries being composed in series by several single lattice storage batterys, it is characterized in that: described single lattice storage battery comprises battery management module, current sense assembly and battery terminal, described battery terminal is connected with described current sense assembly and described battery management module, the magnet ring that described current sense assembly comprises current sensor and is equipped with current sensor.
2. intelligent battery according to claim 1, is characterized in that: described current sensor is located in the breach of magnet ring, and described magnet ring is nested with on battery terminal.
3. intelligent battery according to claim 2, is characterized in that: on each single lattice storage battery, be provided with an end cover for battery cells, described end cover for battery cells is provided with the transducer groove of placing described current sensor.
4. intelligent battery according to claim 3, is characterized in that: described transducer bottom portion of groove is provided with bottom outlet, and battery terminal is connected with the current sense assembly being arranged in transducer groove through described bottom outlet.
5. intelligent battery according to claim 4, it is characterized in that: described current sensor is Hall current sensor, be provided with one week shirt rim at transducer groove bottom outlet periphery, the perisporium of described shirt rim and transducer groove and transducer bottom portion of groove surround a magnet ring groove, and the magnet ring being equipped with current sensor is placed in magnet ring groove.
6. according to the intelligent battery described in claim 1 to 5 any one, it is characterized in that: in described each single lattice storage battery, be also provided with wireless communication module, the wireless communication module of each single lattice storage battery intercoms mutually.
7. intelligent battery according to claim 6, it is characterized in that: described battery management module comprises microcontroller and equalizing circuit, described equalizing circuit connects the battery terminal of single lattice storage battery, and described equalizing circuit connects microcontroller, and described microcontroller connects described current sensor.
8. intelligent battery according to claim 7, it is characterized in that: at batteries outsourcing one housing, described housing is provided with hole, and the battery management module on each single lattice storage battery is connected in the display unit outside housing by the hole on housing, and described display unit is arranged on housing.
9. an electric motor car, is characterized in that: use the intelligent battery as described in claim 1 to 8 any one.
CN201410382694.XA 2013-11-22 2014-08-06 Smart battery and electric car CN104201430A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310601219.2A CN103682482A (en) 2013-11-22 2013-11-22 Wireless intelligent battery
CN201310601219.2 2013-11-22
CN201410382694.XA CN104201430A (en) 2013-11-22 2014-08-06 Smart battery and electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410382694.XA CN104201430A (en) 2013-11-22 2014-08-06 Smart battery and electric car

Publications (1)

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CN104201430A true CN104201430A (en) 2014-12-10

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Family Applications (13)

Application Number Title Priority Date Filing Date
CN201310601219.2A CN103682482A (en) 2013-11-22 2013-11-22 Wireless intelligent battery
CN201420439317.0U CN204156046U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201410382694.XA CN104201430A (en) 2013-11-22 2014-08-06 Smart battery and electric car
CN201410382821.6A CN104201431A (en) 2013-11-22 2014-08-06 Wireless smart battery and electric car
CN201420441198.2U CN204156049U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420439683.6U CN204156048U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420439301.XU CN204156045U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201410383952.6A CN104157919A (en) 2013-11-22 2014-08-06 Smart battery and electric vehicle
CN201420439653.5U CN204156047U (en) 2013-11-22 2014-08-06 A kind of intelligent wireless battery and electric motor car
CN201410382251.0A CN104201428A (en) 2013-11-22 2014-08-06 Wireless smart battery and electric car
CN201420442036.0U CN204156052U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420441343.7U CN204216175U (en) 2013-11-22 2014-08-06 A kind of intelligent wireless battery and electric motor car
CN201410382571.6A CN104201429A (en) 2013-11-22 2014-08-06 Smart battery and electric car

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN201310601219.2A CN103682482A (en) 2013-11-22 2013-11-22 Wireless intelligent battery
CN201420439317.0U CN204156046U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car

Family Applications After (10)

Application Number Title Priority Date Filing Date
CN201410382821.6A CN104201431A (en) 2013-11-22 2014-08-06 Wireless smart battery and electric car
CN201420441198.2U CN204156049U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420439683.6U CN204156048U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420439301.XU CN204156045U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201410383952.6A CN104157919A (en) 2013-11-22 2014-08-06 Smart battery and electric vehicle
CN201420439653.5U CN204156047U (en) 2013-11-22 2014-08-06 A kind of intelligent wireless battery and electric motor car
CN201410382251.0A CN104201428A (en) 2013-11-22 2014-08-06 Wireless smart battery and electric car
CN201420442036.0U CN204156052U (en) 2013-11-22 2014-08-06 A kind of intelligent battery and electric motor car
CN201420441343.7U CN204216175U (en) 2013-11-22 2014-08-06 A kind of intelligent wireless battery and electric motor car
CN201410382571.6A CN104201429A (en) 2013-11-22 2014-08-06 Smart battery and electric car

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