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 PDFInfo
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- 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
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- 238000001514 detection method Methods 0.000 title claims abstract description 71
- 230000005611 electricity Effects 0.000 claims description 22
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- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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
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.
Priority Applications (1)
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CN201621020811.9U CN206161816U (en) | 2016-08-31 | 2016-08-31 | Battery power detection circuitry , electric motor car control panel and light electric motor car |
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CN201621020811.9U CN206161816U (en) | 2016-08-31 | 2016-08-31 | Battery power detection circuitry , electric motor car control panel and light electric motor car |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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2016
- 2016-08-31 CN CN201621020811.9U patent/CN206161816U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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. |