CN206161816U - Battery power detection circuitry , electric motor car control panel and light electric motor car - Google Patents

Battery power detection circuitry , electric motor car control panel and light electric motor car Download PDF

Info

Publication number
CN206161816U
CN206161816U CN201621020811.9U CN201621020811U CN206161816U CN 206161816 U CN206161816 U CN 206161816U CN 201621020811 U CN201621020811 U CN 201621020811U CN 206161816 U CN206161816 U CN 206161816U
Authority
CN
China
Prior art keywords
resistance
motor car
electric motor
battery
electric
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201621020811.9U
Other languages
Chinese (zh)
Inventor
吴填均
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Gaobiao Intelligent Technology Co ltd
Original Assignee
Guangdong Gobao Electronic Technology Co Ltd
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 Guangdong Gobao Electronic Technology Co Ltd filed Critical Guangdong Gobao Electronic Technology Co Ltd
Priority to CN201621020811.9U priority Critical patent/CN206161816U/en
Application granted granted Critical
Publication of CN206161816U publication Critical patent/CN206161816U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Abstract

The utility model is suitable for an electron field provides a battery power detection circuitry, electric motor car control panel and light electric motor car, and this circuit includes: the switch element that switches on when the electric motor car starts, its control end is connected with electric motor car main control chip, and its input is connected with the battery, carrying out the battery power detection when the switch element switches on, generating the electric quantity detection unit of electric quantity detection signal, its input is connected with the output of switch element, and its output is connected with battery indicator equipment. The utility model discloses a switch element cuts off being connected of electric quantity detection unit and battery when the electric motor car is out of work idle, stop battery power and detect to reduce the power consumption of electric motor car when idle, battery power is difficult for exhausting under idle condition depositing for a long time to make the vehicle, has prolonged battery life.

Description

A kind of battery power detection circuit, electric motor car control panel and light electric vehicle
Technical field
The utility model belongs to electronic applications, more particularly to a kind of battery power detection circuit, electric motor car control panel and light Just electric motor car.
Background technology
With the development of new forms of energy, electric motor car has been increasingly becoming daily walking-replacing tool, and some are light and course of continuing a journey is short Two wheeler or balance car then more for certain playability, one of recreation tool of people is also become while riding instead of walk, Because of reasons such as vehicle body is light, compact structures, its battery capacity is generally little compared with electric motor car of riding instead of walk, typically for these motor-cycle for travelling the insides Between 4Ah~15Ah, not have the embarrassment of electricity, control panel circuit part in order to the state for preferably detecting battery avoids short distance from going on a journey It is usually constructed with a battery detection circuit and detects battery electric quantity at any time, points out whether user is needing to charge before travel.
But, when vehicle does not work, the divider resistance in bleeder circuit still persistently disappears existing battery detection circuit Consumption battery electric quantity, and power consumption is larger, and its quiescent current is up to milliampere level so that vehicle standby time is longer or inventory time compared with In the case of length, there is the hidden danger of dead battery capability, once battery electric quantity excessively drain battery will be produced it is expendable Damage, affect battery, become apparent from especially for battery capacity portable electric vehicle less than normal and balance car.
Utility model content
The purpose of the utility model embodiment is to provide a kind of battery power detection circuit, it is intended to solve existing battery inspection Slowdown monitoring circuit power consumption when vehicle does not work is excessive, affects the problem of battery.
The utility model embodiment is achieved in that a kind of battery power detection circuit, with battery, electric motor car master control core Piece and electricity display device connect, and the circuit includes:
Turn on when power supply opens signal receiving, do not receiving the switch element that turns off when power supply opens signal, institute State power supply and open signal and exported when electric motor car starts by the electric motor car main control chip, the control end of the switch element and institute The output end connection of electric motor car main control chip is stated, the input of the switch element is connected with the battery;
Battery electric quantity detection is carried out when the switching means conductive, the electric power detection unit of electric power detection signal is generated, The input of the electric power detection unit is connected with the output end of the switch element, the output end of the electric power detection unit with The electricity display device connection.
Further, the switch element includes:
Resistance R87, resistance R88, resistance R100, first switch pipe and second switch pipe;
One end of the resistance R87 is the control end of the switch element, the other end of the resistance R87 and described first The control end connection of switching tube, the current input terminal of the first switch pipe is connected with one end of the resistance R88, and described first The current output terminal ground connection of switching tube, the other end of the resistance R88 simultaneously with the control end of the second switch pipe and described One end connection of resistance R100, the other end of the resistance R100 is the input and the second switch pipe of the switch element Current input terminal connection, the current output terminal of the second switch pipe is the output end of the switch element.
Further, the first switch pipe is NPN type triode, and the current collection of the NPN type triode is extremely described The current input terminal of first switch pipe, the current output terminal of the extremely described first switch pipe of transmitting of the NPN type triode, institute The base stage for stating NPN type triode is the control end of the first switch pipe;
The second switch pipe is PNP type triode, the extremely described second switch pipe of transmitting of the PNP type triode Current input terminal, the current output terminal of the extremely described second switch pipe of current collection of the PNP type triode, the pole of the positive-negative-positive three The base stage of pipe is the control end of the second switch pipe.
Further, the electric power detection unit includes:
Resistance R89, resistance R90, resistance R91, electric capacity C46;
One end of the resistance R90 is the input of the electric power detection unit, the other end of the resistance R90 simultaneously with The resistance R91, the electric capacity C46, one end connection of the resistance R89, the resistance R91's and electric capacity C46 is another End is grounded simultaneously, and the other end of the resistance R89 is the output end of the electric power detection unit.
The another object of the utility model embodiment is, there is provided a kind of including the electronic of above-mentioned battery power detection circuit Car control panel, the electric motor car control panel also includes power supply circuits, described battery power detection circuit and the power supply circuits A switch element is shared, the power supply circuits also include supply control unit, the power supply Enable Pin of the supply control unit It is connected with the output end of the switch element, the power end of the supply control unit is connected with the battery, it is described for automatically controlled The output end of unit processed is connected with the power end of the electric motor car main control chip.
The another object of the utility model embodiment is, there is provided a kind of portable electric including above-mentioned electric motor car control panel Car.
The utility model embodiment, when electric motor car does not work idle, cuts off electric power detection unit with electricity by switch element The connection in pond, stops battery electric quantity detection, so as to reduce kwh loss of electric motor car when idle, makes vehicle in long storage time Battery electric quantity is difficult to exhaust in the case of idle, extends battery life.
Description of the drawings
The structure chart of the battery power detection circuit that Fig. 1 is provided for the utility model embodiment;
The exemplary circuit figure of the battery power detection circuit that Fig. 2 is provided for the utility model embodiment;
The circuit structure diagram of the electric motor car control panel that Fig. 3 is provided for the utility model embodiment.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.Additionally, institute in the utility model disclosed below each embodiment As long as the technical characteristic being related to does not constitute each other conflict and just can be mutually combined.
The utility model embodiment, when electric motor car does not work idle, cuts off electric power detection unit with electricity by switch element The connection in pond, stops battery electric quantity detection, so as to reduce kwh loss of electric motor car when idle, makes vehicle in long storage time Battery electric quantity is difficult to exhaust in the case of idle, extends battery life.
Fig. 1 shows the structure of the battery power detection circuit that the utility model embodiment is provided, for convenience of description, only Show the part related to the utility model.
Used as the embodiment of the utility model one, the battery power detection circuit can apply to electric motor car, be particularly suited for In light electric vehicle and electrodynamic balance car, the battery power detection circuit connects with electric motor car main control chip and electricity display device Connect, the electric motor car main control chip detects the running status of electric motor car, and when electric motor car starts, out-put supply opens signal, the electricity Display device shows the battery electric quantity of electric motor car, and the battery power detection circuit includes:
Switch element 11, for receiving (when electric motor car starts) conducting when power supply opens signal, is not receiving electricity (when electric motor car leaves unused) shut-off when signal is opened in source, the control end of the switch element 11 and an output end of electric motor car main control chip Connection, the input of switch element 11 is connected with battery;
Electric power detection unit 12, for carrying out battery electric quantity detection when switch element 11 is turned on, generates electric power detection letter Number, the input of the electric power detection unit 12 is connected with the output end of switch element 11, the output end of electric power detection unit 12 with The electricity display device connection of electric motor car.
In the utility model embodiment, the running status of electric motor car can be divided into storage (idle) state and start shape State, in vehicle starting up, the main control chip in electric vehicle control circuit to switch element 11 sends a lasting power supply Signal is opened, represents that electric motor car is in starting state, switch element 11 receives power supply and opens maintenance conducting after signal, now The ability of electric power detection unit 12 carries out electric power detection to battery, exports electric power detection signal and gives electricity display device;
And after vehicle shutdown, idle (storage) state being entered, main control chip receives shutdown detection signal, defeated so as to stop Go out power supply and open signal, switch element 11 is turned off due to not maintaining the signal of its conducting, so that battery and electric power detection Unit 12 it is separated, electric power detection unit 12 cannot carry out electric power detection, therefore not consume battery electric quantity, so that vehicle The long period can be deposited and internal cell electricity too fast can't exhaust, extend the life-span of battery.
The utility model embodiment, when electric motor car does not work idle, cuts off electric power detection unit with electricity by switch element The connection in pond, stops battery electric quantity detection, so as to reduce kwh loss of electric motor car when idle, makes vehicle in long storage time Battery electric quantity is difficult to exhaust in the case of idle, extends battery life.
Fig. 2 shows the exemplary circuit structure of the battery power detection circuit that the utility model embodiment is provided, in order to just In explanation, the part related to the utility model is illustrate only.
Used as the embodiment of the utility model one, switch element 11 includes:
Resistance R87, resistance R88, resistance R100, first switch pipe Q1 and second switch pipe Q2;
One end of resistance R87 is the control end of switch element 11, the other end of resistance R87 and the control of first switch pipe Q1 End connection, the current input terminal of first switch pipe Q1 is connected with one end of resistance R88, and the current output terminal of first switch pipe Q1 connects Ground, the other end of resistance R88 is connected with the control end of second switch pipe Q2 and one end of resistance R100 simultaneously, and resistance R100's is another One end is connected for the input of switch element 11 with the current input terminal of second switch pipe Q2, the electric current output of second switch pipe Q2 Hold as the output end of switch element 11.
Preferably, first switch pipe Q1 is NPN type triode, the current collection extremely first switch pipe Q1's of NPN type triode Current input terminal, the transmitting extremely current output terminal of first switch pipe Q1 of NPN type triode, the base stage of NPN type triode is The control end of first switch pipe Q1;Second switch pipe Q2 be PNP type triode, the transmitting extremely second switch of PNP type triode The current input terminal of pipe Q2, the current collection extremely current output terminal of second switch pipe Q2 of PNP type triode, PNP type triode Base stage is the control end of second switch pipe Q2.
In the utility model embodiment, when it is low level that power supply opens signal, first switch pipe Q1 cut-offs, first opens The current input terminal for closing pipe Q1 is high level, and second switch pipe Q2 ends, so as to cut off between battery and electric power detection unit 12 Connection.
Electric power detection unit 12 includes:
Resistance R89, resistance R90, resistance R91, electric capacity C46;
One end of resistance R90 for electric power detection unit 12 input, the other end of resistance R90 simultaneously with resistance R91, electricity Hold one end connection of C46, resistance R89, the other end of resistance R91 and electric capacity C46 is grounded simultaneously, the other end of resistance R89 is electricity The output end of amount detection unit 12.
In the utility model embodiment, electric power detection unit 12 can be realized using voltage-dividing detection circuit, in electric motor car When not starting, divider resistance does not consume battery electric quantity, so as to reduce kwh loss of electric motor car when idle.
The utility model embodiment, when electric motor car does not work idle, cuts off electric power detection unit with electricity by switch element The connection in pond, stops battery electric quantity detection, so as to reduce kwh loss of electric motor car when idle, makes vehicle in long storage time Battery electric quantity is difficult to exhaust in the case of idle, extends battery life.
Fig. 3 shows the circuit structure of the electric motor car control panel that the utility model embodiment is provided, for convenience of description, only Show the part related to the utility model.
Used as the embodiment of the utility model one, electric motor car control panel includes the battery power detection circuit in above-described embodiment 1 and power supply circuits 2, the power supply circuits 2 include switch element 11 and supply control unit 22, and battery power detection circuit 1 In switch element 11 and power supply circuits 2 in switch element 11 to share relation, i.e. battery power detection circuit 1 and power supply electricity Road 2 shares a switch element 11, and the power supply Enable Pin of supply control unit 22 is connected with the output end of switch element 11, power supply The power end of control unit 22 is connected with battery, and the output end of supply control unit 22 connects with the power end of electric motor car main control chip Connect.
In the utility model embodiment, supply control unit 22 includes power supply chip and its peripheral function circuit, its company The relation of connecing can build according to the actual requirements, not limit herein.
The utility model embodiment is multiplexed the switch element of power supply circuits in electric motor car control panel, while as battery electricity Switch element in amount detection circuit, when electric motor car does not work idle, cuts off the connection of electric power detection unit and battery, stops Battery electric quantity is detected, so as to reduce kwh loss of electric motor car when idle, extends battery life, and is not required to extra increase unit Device, simple circuit, cost of implementation is low.
The another object of the utility model embodiment is, there is provided a kind of portable electric including above-mentioned electric motor car control panel Car.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims (6)

1. a kind of battery power detection circuit, it is characterised in that the circuit shows with battery, electric motor car main control chip and electricity Equipment connects, and the circuit includes:
Turn on when power supply opens signal receiving, do not receiving the switch element that turns off when power supply opens signal, the electricity Source is opened signal and is exported when electric motor car starts by the electric motor car main control chip, the control end of the switch element and the electricity The one output end connection of motor-car main control chip, the input of the switch element is connected with the battery;
Battery electric quantity detection is carried out when the switching means conductive, the electric power detection unit of electric power detection signal is generated, it is described The input of electric power detection unit is connected with the output end of the switch element, the output end of the electric power detection unit with it is described Electricity display device connects.
2. circuit as claimed in claim 1, it is characterised in that the switch element includes:
Resistance R87, resistance R88, resistance R100, first switch pipe and second switch pipe;
One end of the resistance R87 is the control end of the switch element, the other end and the first switch of the resistance R87 The control end connection of pipe, the current input terminal of the first switch pipe is connected with one end of the resistance R88, the first switch The current output terminal ground connection of pipe, the other end of the resistance R88 is while the control end and the resistance with the second switch pipe One end connection of R100, the other end of the resistance R100 is the electricity of the input with the second switch pipe of the switch element Stream input connection, the current output terminal of the second switch pipe is the output end of the switch element.
3. circuit as claimed in claim 2, it is characterised in that the first switch pipe is NPN type triode, the NPN type The current input terminal of the extremely described first switch pipe of the current collection of triode, the transmitting extremely described first of the NPN type triode The current output terminal of switching tube, the base stage of the NPN type triode is the control end of the first switch pipe;
The second switch pipe is PNP type triode, the electric current of the extremely described second switch pipe of transmitting of the PNP type triode Input, the current output terminal of the extremely described second switch pipe of current collection of the PNP type triode, the PNP type triode Base stage is the control end of the second switch pipe.
4. circuit as claimed in claim 1, it is characterised in that the electric power detection unit includes:
Resistance R89, resistance R90, resistance R91, electric capacity C46;
One end of the resistance R90 is the input of the electric power detection unit, the other end of the resistance R90 simultaneously with it is described Resistance R91, the electric capacity C46, one end connection of the resistance R89, the other end of the resistance R91 and electric capacity C46 is same When be grounded, the other end of the resistance R89 is the output end of the electric power detection unit.
5. a kind of electric motor car control panel, it is characterised in that the electric motor car control panel include power supply circuits and as claim 1 to Battery power detection circuit described in 4 any one, described battery power detection circuit shares one and opens with the power supply circuits Unit is closed, the power supply circuits also include supply control unit, power supply Enable Pin and the switch of the supply control unit The output end connection of unit, the power end of the supply control unit is connected with the battery, the supply control unit it is defeated Go out end to be connected with the power end of the electric motor car main control chip.
6. a kind of light electric vehicle, it is characterised in that the light electric vehicle includes electric motor car as claimed in claim 5 control Plate.
CN201621020811.9U 2016-08-31 2016-08-31 Battery power detection circuitry , electric motor car control panel and light electric motor car Active CN206161816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621020811.9U CN206161816U (en) 2016-08-31 2016-08-31 Battery power detection circuitry , electric motor car control panel and light electric motor car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621020811.9U CN206161816U (en) 2016-08-31 2016-08-31 Battery power detection circuitry , electric motor car control panel and light electric motor car

Publications (1)

Publication Number Publication Date
CN206161816U true CN206161816U (en) 2017-05-10

Family

ID=58650245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621020811.9U Active CN206161816U (en) 2016-08-31 2016-08-31 Battery power detection circuitry , electric motor car control panel and light electric motor car

Country Status (1)

Country Link
CN (1) CN206161816U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106125005A (en) * 2016-08-31 2016-11-16 广东高标电子科技有限公司 A kind of battery power detection circuit, electric motor car panel and light electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106125005A (en) * 2016-08-31 2016-11-16 广东高标电子科技有限公司 A kind of battery power detection circuit, electric motor car panel and light electric vehicle

Similar Documents

Publication Publication Date Title
CN203157756U (en) Lithium battery pack monitoring and control system for electric automobile
CN106114276A (en) Intelligent electric motor car charging pile control system
CN106274534A (en) Intelligent electric motor car charging pile control system
CN107634277A (en) A kind of automobile high in the clouds battery management system based on wireless telecommunications battery core
CN107302244A (en) A kind of multipath energy transmits active equalization system of battery pack
CN106684975A (en) Battery management system of electric motorcycle based on lithium battery
CN201397383Y (en) Electric automobile lithium ferric phosphate power cell detecting device
CN206283270U (en) A kind of passive equalizing circuit of inexpensive high current suitable for echelon battery set management
CN208655829U (en) Battery pack system and new-energy automobile
CN206161816U (en) Battery power detection circuitry , electric motor car control panel and light electric motor car
CN106451783A (en) Remotely controllable power distribution control circuit
CN106300546A (en) A kind of isolation equalizing circuit for battery management system and equalization methods
CN205901352U (en) Supply assembly
CN107696875A (en) A kind of electronic logistic car of extended-range
CN202518115U (en) Low-voltage power supply for electric vehicle
CN106706998A (en) Terminal test system and terminal test method
CN106125005A (en) A kind of battery power detection circuit, electric motor car panel and light electric vehicle
CN207199787U (en) A kind of automobile high in the clouds battery management system based on wireless telecommunications battery core
CN208207566U (en) A kind of BMS remote monitoring system based on NBIOT agreement
CN208682659U (en) A kind of battery management system of new-energy automobile
CN200976498Y (en) Lead accumulator discharging control device
CN206450809U (en) A kind of onboard charger detection means
CN108819752A (en) Battery management system
CN211014520U (en) Pure electric vehicle insulation detection system with contactor adhesion judgment function
CN208232841U (en) Suitable for calculating the electric vehicle power management system and electric vehicle of stroke

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 3 Gongye West Road, Songshan Lake Park, Dongguan City, Guangdong Province, 523000

Patentee after: Guangdong Gaobiao Intelligent Technology Co.,Ltd.

Address before: No.3, Gongye West Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee before: SHENZHEN GOBAO ELECTRONIC TECHNOLOGY Co.,Ltd.