CN207354057U - A kind of switch driving circuit, battery control circuit, battery and unmanned plane - Google Patents
A kind of switch driving circuit, battery control circuit, battery and unmanned plane Download PDFInfo
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- CN207354057U CN207354057U CN201721375146.XU CN201721375146U CN207354057U CN 207354057 U CN207354057 U CN 207354057U CN 201721375146 U CN201721375146 U CN 201721375146U CN 207354057 U CN207354057 U CN 207354057U
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- 238000004891 communication Methods 0.000 claims abstract description 32
- 239000008358 core component Substances 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 35
- 238000004146 energy storage Methods 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 231100001160 nonlethal Toxicity 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
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Abstract
The utility model embodiment provides a kind of switch driving circuit,Battery control circuit,Battery and unmanned plane,Wherein battery control circuit includes electronic switch,Switch driving circuit,Microcontroller,Battery management module and communication module,Electronic switch is located in the current supply circuit of battery and external-connected port,Battery management module is connected with battery,Communication module is connected with external-connected port,The power input of switch driving circuit and the cathode of battery connect,Control signal input mouth is connected with microcontroller,Switch drive port is connected with electronic switch,When detecting battery exception,Control instruction can be generated by microcontroller or earth station,Electronic switch is controlled to end by switch driving circuit,To disconnect the current supply circuit of battery and external-connected port,The electric discharge of battery can neatly be controlled,Battery management module, which directly closes electronic switch, when avoiding non-lethal exception causes unmanned plane to crash,It can ensure that unmanned plane can first be alerted and maked a return voyage in time.
Description
Technical field
Battery technology field is the utility model is related to, more particularly to a kind of switch driving circuit, battery control circuit, electricity
Pond and unmanned plane.
Background technology
With the fast development of unmanned air vehicle technique, especially electronic unmanned plane extensively should due to the use of clean energy resource
With.In order to ensure the flight safety of electronic unmanned plane, the battery that unmanned plane uses is typically provided with battery management system.
In the cell hardware circuit of unmanned plane, charging, discharge loop are generally controlled by the electronic switch of low internal resistance
On or off, protection battery is unlikely to overcharge or over-discharge, to extend the service life of battery.Electronic switch one
As directly controlled by battery management chip, such as BMS (battery management system, the battery management for passing through battery
System electronic switch) is controlled, if occurring voltage or current anomaly, battery management core when unmanned plane normal flight
Piece will directly close electronic switch, cause unmanned plane power-off even aircraft bombing.
Utility model content
In view of the above problems, it is proposed that the utility model embodiment overcomes the above problem or at least portion in order to provide one kind
A kind of switch driving circuit, battery control circuit, battery and the unmanned plane to solve the above problems with dividing.
In a first aspect, the utility model embodiment provides a kind of switch driving circuit, including control signal input mouth,
Power input, energy-storage units, closing unit, driving unit and switch drive port,
The driving unit respectively with the power input, the control signal input mouth and the switch drive end
Mouth connection, with the control signal according to the control signal input mouth, is opened using the level driver of power input with described
Close the electronic switch on or off of driving port connection；
The energy-storage units are connected with the control signal input mouth, with the control according to the control signal input mouth
Signal processed carries out charge or discharge；
The closing unit is connected with the energy-storage units, driving unit respectively, for when the energy-storage units charge,
So that the electronic switch that the driving unit driving is connected with the switch drive port is held on, when the energy-storage units are put
When electric, quickly ended with the electronic switch that the switch drive port is connected by the driving unit.
Alternatively, the driving unit includes the first triode, the second triode, first resistor, second resistance, the 3rd electricity
Resistance, the 4th resistance and zener diode, one end of the 4th resistance are connected with the control signal input mouth, and the described 4th
The other end of resistance is connected with the base stage of second triode, the emitter ground connection of second triode, and the described 2nd 3
The collector of pole pipe is connected with the base stage of first triode by the first resistor, the emitter of first triode
It is connected with the power input, the second resistance is in parallel with the zener diode, the second resistance and the voltage stabilizing
One end of the anode parallel connection of diode is connected with one end of the 3rd resistor, the other end of the 3rd resistor and described first
The collector connection of triode, the second resistance one end ground connection in parallel with the cathode of the zener diode, described second
Resistance is connected with one end of the anode parallel connection of the zener diode with the switch drive port；
Alternatively, the energy-storage units include the 5th resistance, diode, capacitance and the 6th resistance, the 5th resistance one
End is connected with the control signal input mouth, and the other end of the 5th resistance is connected with the cathode of the diode, described
Capacitance and the 6th resistor coupled in parallel, the capacitance connect with one end of the 6th resistor coupled in parallel and the anode of the diode
Connect, the other end of the capacitance and the 6th resistor coupled in parallel is grounded；
Alternatively, the closing unit includes the 7th resistance, and the 3rd triode, the 4th triode and the 8th resistance are described
7th resistance one end is connected with the anode of the diode of the energy-storage units, and the base stage of the other end and the 4th triode connects
Connect, the collector of the 4th triode is connected with the base stage of the 3rd triode, the emitter of the 4th triode with
The cathode connection of the diode of the energy-storage units, the emitter of the 3rd triode and two pole of voltage stabilizing of the driving unit
The anode connection of pipe, the collector of the 3rd triode pass through the 8th resistance eutral grounding.
Alternatively, first triode and the 3rd triode are PNP type triode, second triode and institute
It is NPN type triode to state the 4th triode.
Second aspect, the utility model embodiment provide a kind of battery control circuit, including the utility model embodiment
Any one of them switch driving circuit, electronic switch, microcontroller, battery management module and the communication module of offer,
The electronic switch is located in the battery core component of battery and the current supply circuit of external-connected port, for controlling the power supply
The on or off in circuit；
The microcontroller is connected with the battery management module and the communication module respectively, for according to the battery
The information generation control signal that management module and the communication module are got；
The battery management module is connected with the battery core component, for obtaining the information of the battery core component；
The communication module is connected with the external-connected port, for the warning message by battery information or battery when abnormal
Send to external equipment, and, receive the communication information of external equipment；
The power input of the switch driving circuit is connected with the cathode of the battery core component, the control signal input
Port is connected with the microcontroller, and the switch drive port is connected with the electronic switch, and the switch driving circuit is used
According to the control signal of the microcontroller driving electronic switch on or off.
Alternatively, the electronic switch includes first switch and second switch, the first switch and the second switch
Series connection, the first switch are connected with a switch driving circuit respectively with the second switch.
Alternatively, the first switch and the second switch are metal-oxide-semiconductor, in triode, insulated gate bipolar transistor
One kind.
Alternatively, the switch drive port of the switch driving circuit and the grid of the metal-oxide-semiconductor, or the base of triode
Pole, or the grid connection of insulated gate bipolar transistor.
Alternatively, when the first switch and the second switch are metal-oxide-semiconductor, the corresponding metal-oxide-semiconductor of the first switch
The drain electrode of corresponding with the second switch pipe metal-oxide-semiconductor of drain electrode connect, the source electrode of the corresponding metal-oxide-semiconductor of the first switch and institute
External-connected port connection is stated, the source electrode of the corresponding metal-oxide-semiconductor of the second switch pipe is connected with the battery core component.
The third aspect, the utility model embodiment provide a kind of battery, and the battery includes battery core component, this practicality is new
Any one of them battery control circuit that type embodiment provides, external-connected port, the battery core component are controlled by the battery
Circuit is connected with the external-connected port.
Fourth aspect, the utility model embodiment provide a kind of unmanned plane, and it is real that the unmanned plane includes the utility model
Apply the battery described in example.
The switch driving circuit of the utility model embodiment, including control signal input mouth, power input, energy storage list
Member, closing unit, driving unit and switch drive port, driving unit respectively with power input, control signal input mouth
Connected with switch drive port, energy-storage units are connected with control signal input mouth, closing unit respectively with energy-storage units, driving
Unit connects, and the switch driving circuit of the utility model embodiment, can make according to the control signal of control signal input mouth
When obtaining energy-storage units charging, the electronic switch that driving unit driving is connected with switch drive port is held on, in energy-storage units
During electric discharge, the electronic switch being connected by driving unit with switch drive port quickly ends, to prevent snap switch from damaging
Consume excessive and burn electronic switch, and switch driving circuit debugging is simple, dependable performance, versatility are good.
The battery control circuit of the utility model embodiment, including electronic switch, switch driving circuit, microcontroller, electricity
Pond management module and communication module, electronic switch are located in the battery core component of battery and the current supply circuit of external-connected port, cell tube
The connection of module electric core component is managed, communication module is connected with the external-connected port, the power input and battery core of switch driving circuit
The cathode connection of component, control signal input mouth are connected with microcontroller, and switch drive port is connected with electronic switch, switch
Drive circuit is used to drive electronic switch on or off according to the control signal of microcontroller.Implement using the utility model
Example, when battery management module detects battery exception, which is sent to microcontroller and is sent out by communication module
Send to unmanned plane, alarm is then made by the communication of unmanned plane and earth station, can be generated by microcontroller or earth station
Control instruction, is finally closed by microprocessor control electronic switch, to disconnect the current supply circuit of battery and external-connected port, is solved
Battery management module directly closes the problem of electronic switch, can neatly control the electric discharge and charging of battery, avoid non-cause
Battery management module, which directly closes electronic switch, when life is abnormal causes unmanned plane to crash, it is ensured that unmanned plane can be alerted first simultaneously
Make a return voyage in time.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, below by the utility model embodiment
Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of schematic diagram of switch driving circuit of the utility model embodiment one；
Fig. 2 is a kind of schematic diagram of switch driving circuit of the utility model embodiment one；
Fig. 3 is a kind of schematic diagram of battery control circuit of the utility model embodiment two；
Fig. 4 is a kind of another schematic diagram of battery control circuit of the utility model embodiment two；
Fig. 5 is a kind of circuit diagram of battery control circuit of the utility model embodiment two；
Fig. 6 is a kind of schematic diagram of battery of the utility model embodiment.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The advantages of to enable the utility model, is more obvious understandable, with reference to the accompanying drawings and detailed description to this reality
It is described in further detail with new.
Embodiment one
As shown in Figure 1, the switch driving circuit 1 of the utility model embodiment one includes control signal input mouth 14, electricity
Source input terminal 15, energy-storage units 13, closing unit 12, driving unit 11 and switch drive port 16.
Wherein, driving unit 11 respectively with power input 15, control signal input mouth 14 and switch drive port 16
Connection, with the control signal of root control signal input mouth 14, uses level driver and the switch drive end of power input 15
The electronic switch on or off of the connection of mouth 16, for example, power input 15 can be connected with the cathode of battery, in high electricity
Flat, control signal input mouth 14 can be connected with microcontroller, when microcontroller exports high level or low level signal,
Driving unit 11 can export high level or low level in switch drive port 16.
Energy-storage units 13 are connected with control signal input mouth 14, with the control signal according to control signal input mouth 14
Carry out charge or discharge；Closing unit 12 is connected with energy-storage units 13, driving unit 11 respectively, when energy-storage units 13 charge
When so that driving unit 11 drives the electronic switch being connected with switch drive port 16 to be held on, when energy-storage units 13 discharge
When so that driving unit 11 drives the electronic switch being connected with switch drive port 16 quickly to end.
As shown in Fig. 2, in a kind of preferred embodiment of the utility model, driving unit 11 includes the first triode
Q101, the second triode Q102, first resistor R102, second resistance R112,3rd resistor R103, the 4th resistance R104 and voltage stabilizing
Diode ZV101.Wherein, one end of the 4th resistance R104 is connected with control signal input mouth 14, and the 4th resistance R104's is another
One end is connected with the base stage of the second triode Q102, the emitter ground connection of the second triode Q102, the collection of the second triode Q102
The base stage of electrode and the first triode Q101 are connected by first resistor R102, and the emitter and power supply of the first triode Q101 is defeated
Enter the connection of end 15, second resistance R112 is in parallel with zener diode ZV101, second resistance R112 and zener diode ZV101's
The one end of one end of anode parallel connection respectively with 3rd resistor R103 is connected, the other end of 3rd resistor R103 and the first triode
The collector connection of Q101, one end ground connection in parallel with the cathode of zener diode ZV101 second resistance R112, second resistance
R112 is also connected with one end of the anode parallel connection of zener diode ZV101 with switch drive port 16.
Energy-storage units 13 include the 5th resistance R105, diode D101, capacitance C101 and the 6th resistance R109, the 5th resistance
One end of R105 is connected with control signal input mouth 14, and the other end of the 5th resistance R105 connects with the cathode of diode D101
Connect, capacitance C101 is in parallel with the 6th resistance R109, and one end in parallel with the 6th resistance R109 capacitance C101 is with diode D101's
Anode connects, other end ground connection in parallel with the 6th resistance R109 capacitance C101；
Closing unit 12 includes the 7th resistance R108, the 3rd triode Q103, the 4th triode Q104 and the 8th resistance
R110, one end of the 7th resistance R108 are connected with the anode of the diode D101 of energy-storage units 13, the other end and the 4th triode
The base stage connection of Q104, the collector of the 4th triode Q104 are connected with the base stage of the 3rd triode Q103, the 4th triode
The emitter of Q104 is connected with the cathode of the diode D101 of energy-storage units 13, and the emitter of the 3rd triode Q103 and driving are single
The anode connection of the zener diode ZV101 of member 11, the collector of the 3rd triode Q103 are grounded by the 8th resistance R110.
Wherein, the first triode Q101 and the 3rd triode Q103 can be PNP type triode, the second triode Q102 and
4th triode Q104 can be NPN type triode.
Below by way of the operation principle of the discharge process brief description switch driving circuit 1 of battery：
As shown in Fig. 2, when control signal input mouth 14 exports high level, the second triode Q102 is NPN type triode,
The high level of control signal input mouth 14 drives the second triode Q102 conductings by the 4th resistance R104, due to the two or three pole
The emitter ground connection of pipe Q102, the level of the collector of the second triode Q102 are pulled down to ground, are low level, the second triode
The collector of Q102 is dragged down the level of the first triode Q101 base stages by first resistor R102, due to the first triode Q101
For PNP type triode, the first triode Q101 conductings, power input 15 by the first triode Q101,3rd resistor R103,
To switch drive port 16, the electronic switch being connected with switch drive port 16 obtains by second resistance R112, zener diode ZV101
To high level and fast conducting, meanwhile, the high level of control signal input mouth 14 passes through the 5th resistance R105, diode D101
Charging to capacitance C101, capacitance C101 expire the voltage that piezoelectric voltage is about the output high level of control signal input mouth 14, and at this time the
The base stage of four triode Q104 and transmitting step voltage are substantially equal with the voltage of high level, the 4th triode Q104 cut-offs, with the
The base stage of 3rd triode Q103 of four triode Q104 connections does not have driving current, therefore the 3rd triode Q103 keeps cutting
Only so that switch drive port 16 keeps high level, and the electronic switch being attached thereto is held on.
When control signal input mouth 14 exports low level, the low level that control signal input mouth 14 exports passes through the
Four resistance R104 drag down the level of the second triode Q102 base stages, since the second triode Q102 is NPN type triode, second
Triode Q102 ends, and the collector of the second triode Q102 is changed into high level, by first resistor R102 by the first triode
The level of Q101 base stages is drawn high, and since the first triode Q101 is PNP type triode, the first triode Q101 cut-offs, second is electric
The level of switch drive port 16 is pulled low to ground by resistance R112, the electronic switch cut-off being attached thereto, meanwhile, control signal input
Port 14, which exports low level, causes diode D101 to end, and the level of the emitter of the 4th triode Q104 passes through the 5th resistance
R105 is pulled low, the 4th triode Q104 conducting, capacitance C101 by the 7th resistance R108, the 4th triode Q104 base stage,
Emitting stage and the 5th resistance R105 electric discharges, the 4th triode Q104 is turned on so that the base stage for the three or three pole Q103 being attached thereto is
Low level, since the three or three pole Q103 is PNP type triode, the 3rd triode Q103 conductings, are connected with switch drive port 16
The electric charge of electronic switch be discharged to ground terminal rapidly by the 3rd triode Q103 and R110, accelerate the speed of electronic switch cut-off
Degree.
The switch driving circuit of the utility model embodiment, can drive electronic switch fast conducting and cut-off, to prevent
Snap switch loss is excessive and burns electronic switch, and switch driving circuit debugging is simple, dependable performance, versatility are good.
Embodiment two
As shown in figure 3, a kind of battery control circuit 10 of the utility model embodiment two, including switch driving circuit 1, electricity
Sub switch 2, microcontroller 3, battery management module 4 and communication module 5.
In the utility model embodiment, battery control circuit 10 be located at the battery core component 20 of battery and external-connected port 30 it
Between, for controlling the on or off of current supply circuit.Specifically, battery can include battery core component 20 and external-connected port
30, the cathode and anode of 10 one end of battery control circuit connection battery core component 20, the other end connect the just external of external-connected port 30
End and negative external connection end, to form current supply circuit, the electronic switch 2 of battery control circuit 10 is located in current supply circuit, such as can be with
Be in cathode circuit or negative loop, to control current supply circuit on or off, thus control battery charging and
Electric discharge.
Specific in the utility model embodiment, electronic switch 2 is located at the battery core component 20 and external-connected port 30 of battery
In current supply circuit, electronic switch drive circuit 1 is connected with electronic switch 1, microcontroller 3 respectively, and electronic switch drive circuit 1 can
To drive 2 on or off of electronic switch according to the control signal of microcontroller 3.
Microcontroller 3 is connected with battery management module 4 and communication module 5 respectively, so that microcontroller 3 is according to cell tube
The information generation control signal that reason module 4 and communication module 5 are got；Battery management module 4 is connected with battery core component 20, is used for
Obtain the information of battery core component 20；Communication module 5 is connected with external-connected port 30, for by battery information or battery when abnormal
Warning message is sent to external equipment, and, receive the communication information of external equipment.
Battery management module 4 can be battery management chip, BMS etc., and battery management module 4 can be with logical operation
The chip of function, it can adopt the voltage and current being arranged in the various sensors or current supply circuit in battery core component 20
The output of acquisition means is compared computing, it is possible to learn electricity as input by internal logical operation, such as comparator etc.
The various information in pond learn whether battery is abnormal, such as can obtain the letter of the batteries such as the electricity, voltage and temperature of battery
Breath, can also generate warning information during battery exception, and the information of battery or warning information are sent to being attached thereto
Microcontroller 3, can also be sent to the electrical equipment being connected with the external-connected port 30 of battery by communication module 5, such as nobody
The flight control system of machine, can also be sent to earth station by the communication of unmanned plane and earth station.Communication module 5 can also lead to
Cross external-connected port 30 and receive the control instruction of external equipment, and control instruction is sent to microcontroller 3, to control battery powered
The on or off in circuit.
Microcontroller 3 can receive control instruction according to the battery exception information received or from communication module 5, defeated
Go out high level or low level to switch driving circuit 1, to control 2 on or off of electronic switch, such as microcontroller 3 can
There is different benchmark including multiple comparators, different comparators, with the input corresponding to various exception informations, so as to
Neatly to determine the need for control 2 on or off of electronic switch.
In the utility model embodiment, when battery management module detects battery exception, which is sent to micro-
Controller is sent to unmanned plane by communication module, then makes alarm by the communication of unmanned plane and earth station, can be with
By microcontroller or earth station generation control instruction, finally ended by microprocessor control electronic switch, with disconnect battery with
The current supply circuit of external-connected port, solves the problems, such as that battery management module directly controls electronic switch cut-off, can neatly control
The electric discharge and charging of battery processed, battery management module, which directly closes electronic switch, when avoiding non-lethal exception causes unmanned plane to fall
Ruin, it is ensured that unmanned plane can first be alerted and maked a return voyage in time.
As shown in figure 4, the power input 15 of switch driving circuit 1 is connected with the cathode of battery core component 20, control signal
Input port 14 is connected with microcontroller 3, and switch drive port 16 is connected with electronic switch 2, and switch driving circuit 1 can basis
Control signal driving 2 on or off of electronic switch of microcontroller 3.
In practical applications, microcontroller 3 is also connected with battery management module 4, communication module 5 and (does not show in Fig. 4, specifically
With reference to figure 3), microcontroller 3 can be according to the information output high level or low electricity of the either communication module 5 of battery management module 4
It is flat, to control driving unit 11 to export to the level of electronic switch 2 by energy-storage units 13, closing unit 12, so as to drive
2 on or off of dynamic electronic switch, to realize that the current supply circuit between battery core component 20 and external-connected port 30 is turned on or cut
Only.
As shown in figure 5, in a kind of embodiment of the utility model, electronic switch 1 can include first switch S1 and the
Two switch S2, first switch S1 can control the charging of battery, and second switch S2 can control the electric discharge of battery, first switch S1
It is connected respectively with a switch driving circuit 1 with second switch S2, i.e. first switch S1 is driven by a switch driving circuit 1
Dynamic, second switch S2 drives also by a switch driving circuit 1.
First switch S1 and second switch S2 can be one kind in metal-oxide-semiconductor, triode, insulated gate bipolar transistor,
The switch drive port 16 of switch driving circuit 1 and the base stage or insulated gate bipolar of the grid of metal-oxide-semiconductor, either triode
The grid connection of transistor, to control the metal-oxide-semiconductor either on or off of triode or insulated gate bipolar transistor.
In the utility model embodiment, using first switch S1 and second switch S2 as metal-oxide-semiconductor, and first switch S1 and second
Switch S2 is illustrated positioned at negative loop.
As shown in figure 5, when first switch S1 and second switch S2 is metal-oxide-semiconductor, the drain electrode of the corresponding metal-oxide-semiconductors of first switch S1
The drain electrode connection of metal-oxide-semiconductor corresponding with second switch S2, source electrode and 30 (Fig. 5 of external-connected port of the corresponding metal-oxide-semiconductors of first switch S1
Middle external-connected port connects load) anode connection, the anode of source electrode and battery core component 20 that second switch S2 manages corresponding metal-oxide-semiconductor connects
Connect, the grid of the corresponding metal-oxide-semiconductors of first switch S1 metal-oxide-semiconductor corresponding with second switch S2 respectively connects a switch drive electricity
Road 1.
Metal-oxide-semiconductor has parasitic internal diode, if first switch S1 in Fig. 5 and the corresponding metal-oxide-semiconductors of second switch S2 are N
Channel MOS tube, just extremely one end of the source electrode of metal-oxide-semiconductor of its internal diode, the anode of internal diode are the drain electrode of metal-oxide-semiconductor
One end, i.e., when metal-oxide-semiconductor ends, equivalent to one diode, in Fig. 5, when first switch S1 and second switch S2 are cut
When only, the cathode connection external-connected port 30 (being load in Fig. 5) of the corresponding diodes in vivo of first switch S1, S2 pairs of second switch
The cathode connection battery core component 20 for the internal diode answered, first switch S1 and the corresponding diodes in vivo of second switch S2 are born
Pole is docked, and when needing electric discharge, what external-connected port 30 connect is load, controls first switch S1 by switch driving circuit 1 at this time
Turned on second switch S2, the electric current of battery core component 20 does not pass through first switch S1 and the corresponding metal-oxide-semiconductors of second switch S2
Internal diode, the electric current of battery core component 20 is directly to load supplying, and when charging is required, the load reconfiguration in Fig. 5 is charging
Power supply, in order to prevent the electric current of battery core component 20 pour in down a chimney to charge power supply, it is necessary to by switch driving circuit 1 control first switch
The corresponding metal-oxide-semiconductor cut-offs of S1, control the corresponding metal-oxide-semiconductors of second switch S2 to turn on, i.e. first switch S1 by switch driving circuit 1
The cathode connection charge power supply of the internal diode of corresponding metal-oxide-semiconductor, the corresponding metal-oxide-semiconductors of second switch S2 that anode passes through conducting
Battery core component 20 is connected, i.e. electric current can only flow to battery core component 20 from charge power supply, it is therefore prevented that the electric current of battery core component 20 pours in down a chimney
To charge power supply.
The above process can be controlled by microcontroller 3, such as in electric discharge, microcontroller 3 controls first switch S1
Turned on second switch S2, when needing to stop electric discharge, microcontroller 3 controls first switch S1 and second switch S2 cut-offs；Filling
When electric, microcontroller 3 controls first switch S1 cut-off, second switch S2 conductings, when needing to stop charging, the control of microcontroller 3 the
One switch S1 and second switch S2 cut-offs.
Switch driving circuit 1 drives the process of first switch S1 and second switch S2 on or off, is referred to reality
The operation principle of switch driving circuit 1 in example one is applied, details are not described herein.
In the utility model embodiment, switch driving circuit 1, the switch of second switch S2 connections of first switch S1 connections
Drive circuit 1 can be connected to the different pins of same microcontroller 3, such as be connected to the different GPIO of microcontroller 3 and connect
Mouthful, microcontroller 3 determines that battery is to be in charged state or discharge condition by communication module 5, so that controlling switch respectively
Drive circuit 1, naturally it is also possible to which two microcontrollers 3 are set to control different switch driving circuits 1, the utility model respectively
Embodiment is not any limitation as this.
The utility model embodiment, when battery management module detects battery exception, which is sent to micro-control
Device processed and sent by communication module to unmanned plane, alarm, Ke Yiyou are then made by the communication of unmanned plane and earth station
Microcontroller or earth station's generation control instruction, are finally ended by microprocessor control electronic switch, with disconnect battery with it is outer
The current supply circuit of port is connect, solves the problems, such as that battery management module directly controls electronic switch cut-off, can neatly control
The electric discharge and charging of battery, battery management module, which directly closes electronic switch, when avoiding non-lethal exception causes unmanned plane to fall
Ruin, it is ensured that unmanned plane can first be alerted and maked a return voyage in time.
Embodiment three
As shown in fig. 6, the utility model, which implements three, provides a kind of battery, the battery includes battery core component 20, this reality
The battery control circuit 10 provided with new embodiment, external-connected port 30, battery core component 20 is by battery control circuit 10 and outside
Port 30 is connect to connect.
The utility model is implemented to provide a kind of unmanned plane, and the unmanned plane includes what the utility model embodiment three provided
Battery.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make these embodiments other change and modification.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into all change and modification of the utility model embodiment scope.
Finally, it is to be noted that, herein, term " comprising ", "comprising" or its any other variant are intended to
Cover non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only include
Those key elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic key element of person's terminal device.In the absence of more restrictions, the key element limited by sentence "including a ...",
It is not precluded from the process including the key element, method, article or terminal device that also there are other identical element.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
Subject to the protection domain asked.
Claims (12)
1. a kind of switch driving circuit, it is characterised in that including control signal input mouth, power input, energy-storage units, pass
Unit, driving unit and switch drive port are closed,
The driving unit connects with the power input, the control signal input mouth and the switch drive port respectively
Connect, with the control signal according to the control signal input mouth, driven using the level driver and the switch of power input
The electronic switch on or off of moved end mouthful connection；
The energy-storage units are connected with the control signal input mouth, to be believed according to the control of the control signal input mouth
Number carry out charge or discharge；
The closing unit is connected with the energy-storage units, driving unit respectively, for when the energy-storage units charge so that
The electronic switch that the driving unit driving is connected with the switch drive port is held on, when the energy-storage units discharge
When, quickly ended with the electronic switch that the switch drive port is connected by the driving unit.
2. switch driving circuit according to claim 1, it is characterised in that the driving unit includes the first triode, the
Two triodes, first resistor, second resistance, 3rd resistor, the 4th resistance and zener diode,
One end of 4th resistance is connected with the control signal input mouth, the other end of the 4th resistance and described the
The base stage connection of two triodes, the emitter ground connection of second triode, the collector of second triode and described the
The base stage of one triode is connected by the first resistor, and emitter and the power input of first triode connect
Connect, the second resistance is in parallel with the zener diode, and the second resistance is in parallel with the anode of the zener diode
One end is connected with one end of the 3rd resistor, and the other end of the 3rd resistor and the collector of first triode connect
Connect, the second resistance one end ground connection in parallel with the cathode of the zener diode, the second resistance and the voltage stabilizing two
One end of the anode parallel connection of pole pipe is connected with the switch drive port.
3. switch driving circuit according to claim 2, it is characterised in that the energy-storage units include the 5th resistance, two poles
Pipe, capacitance and the 6th resistance,
Described 5th resistance one end is connected with the control signal input mouth, the other end and two pole of the 5th resistance
The cathode connection of pipe, the capacitance and the 6th resistor coupled in parallel, the one end and institute of the capacitance with the 6th resistor coupled in parallel
The anode connection of diode is stated, the other end of the capacitance and the 6th resistor coupled in parallel is grounded.
4. switch driving circuit according to claim 3, it is characterised in that the closing unit includes the 7th resistance, and the 3rd
Triode, the 4th triode and the 8th resistance,
Described 7th resistance one end is connected with the anode of the diode of the energy-storage units, the other end and the 4th triode
Base stage connects, and the collector of the 4th triode is connected with the base stage of the 3rd triode, the hair of the 4th triode
Emitter-base bandgap grading is connected with the cathode of the diode of the energy-storage units, and the emitter of the 3rd triode is steady with the driving unit
The anode connection of diode is pressed, the collector of the 3rd triode passes through the 8th resistance eutral grounding.
5. switch driving circuit according to claim 4, it is characterised in that first triode and the three or three pole
Manage as PNP type triode, second triode and the 4th triode are NPN type triode.
A kind of 6. battery control circuit, it is characterised in that including such as claim 1-5 any one of them switch driving circuit,
Electronic switch, microcontroller, battery management module and communication module,
The electronic switch is located in the battery core component of battery and the current supply circuit of external-connected port, for controlling the current supply circuit
On or off；
The microcontroller is connected with the battery management module and the communication module respectively, for according to the battery management
The information generation control signal that module and the communication module are got；
The battery management module is connected with the battery core component, for obtaining the information of the battery core component；
The communication module is connected with the external-connected port, for the warning message of battery information or battery when abnormal to be sent
To external equipment, and, receive the communication information of external equipment；
The power input of the switch driving circuit is connected with the cathode of the battery core component, the control signal input mouth
It is connected with the microcontroller, the switch drive port is connected with the electronic switch, and the switch driving circuit is used for root
The electronic switch on or off is driven according to the control signal of the microcontroller.
7. battery control circuit according to claim 6, it is characterised in that the electronic switch includes first switch and the
Two switches, the first switch and second switch series connection, the first switch and the second switch respectively with an institute
State switch driving circuit connection.
8. battery control circuit according to claim 7, it is characterised in that the first switch and the second switch are
One kind in metal-oxide-semiconductor, triode, insulated gate bipolar transistor.
9. battery control circuit according to claim 8, it is characterised in that the switch drive end of the switch driving circuit
The grid of mouth and the metal-oxide-semiconductor, the either grid of the base stage of triode or insulated gate bipolar transistor connection.
10. according to the battery control circuit described in claim 7 or 8 or 9, it is characterised in that when the first switch and described
When second switch is metal-oxide-semiconductor, the drain electrode metal-oxide-semiconductor corresponding with the second switch pipe of the corresponding metal-oxide-semiconductor of the first switch
Drain electrode connection, the source electrode of the corresponding metal-oxide-semiconductor of the first switch are connected with the external-connected port, and the second switch pipe is corresponding
The source electrode of metal-oxide-semiconductor is connected with the battery core component.
11. a kind of battery, it is characterised in that the battery includes battery core component, such as claim 6-10 any one of them electricity
Pond control circuit and external-connected port, the battery core component are connected by the battery control circuit with the external-connected port.
12. a kind of unmanned plane, it is characterised in that the unmanned plane includes battery as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375146.XU CN207354057U (en) | 2017-10-23 | 2017-10-23 | A kind of switch driving circuit, battery control circuit, battery and unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375146.XU CN207354057U (en) | 2017-10-23 | 2017-10-23 | A kind of switch driving circuit, battery control circuit, battery and unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354057U true CN207354057U (en) | 2018-05-11 |
Family
ID=62355471
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721375146.XU Active CN207354057U (en) | 2017-10-23 | 2017-10-23 | A kind of switch driving circuit, battery control circuit, battery and unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354057U (en) |
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| CN109659993A (en) * | 2018-12-10 | 2019-04-19 | 深圳供电局有限公司 | Afterflow device and unmanned aerial vehicle power supply system |
| CN110011651A (en) * | 2019-04-17 | 2019-07-12 | 珠海优特电力科技股份有限公司 | A kind of ground line extension tears wireless collection electronic switch shielding system and its working method open |
| CN110112800A (en) * | 2019-04-26 | 2019-08-09 | 上海爻火微电子有限公司 | Dock charging circuit and electronic equipment |
| CN110571487A (en) * | 2019-09-30 | 2019-12-13 | 深圳市道通科技股份有限公司 | battery and automobile diagnosis panel |
| WO2020187051A1 (en) * | 2019-03-21 | 2020-09-24 | 东莞新能德科技有限公司 | Switch driving circuit and battery control circuit |
| CN112259414A (en) * | 2020-09-18 | 2021-01-22 | 力神动力电池系统有限公司 | Low-side driving self-holding circuit of direct current contactor coil |
| CN112352365A (en) * | 2019-11-18 | 2021-02-09 | 深圳市大疆创新科技有限公司 | Battery, control method and mobile equipment |
| CN113162160A (en) * | 2021-04-07 | 2021-07-23 | Oppo广东移动通信有限公司 | Control circuit, charging circuit and electronic equipment |
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| CN109659993A (en) * | 2018-12-10 | 2019-04-19 | 深圳供电局有限公司 | Afterflow device and unmanned aerial vehicle power supply system |
| CN111725857B (en) * | 2019-03-21 | 2022-02-15 | 东莞新能安科技有限公司 | Switch drive circuit and battery control circuit |
| WO2020187051A1 (en) * | 2019-03-21 | 2020-09-24 | 东莞新能德科技有限公司 | Switch driving circuit and battery control circuit |
| CN111725857A (en) * | 2019-03-21 | 2020-09-29 | 东莞新能安科技有限公司 | Switch drive circuit and battery control circuit |
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| CN110011651A (en) * | 2019-04-17 | 2019-07-12 | 珠海优特电力科技股份有限公司 | A kind of ground line extension tears wireless collection electronic switch shielding system and its working method open |
| CN110112800A (en) * | 2019-04-26 | 2019-08-09 | 上海爻火微电子有限公司 | Dock charging circuit and electronic equipment |
| CN110112800B (en) * | 2019-04-26 | 2023-11-21 | 上海爻火微电子有限公司 | Butt-joint type charging circuit and electronic equipment |
| CN110571487A (en) * | 2019-09-30 | 2019-12-13 | 深圳市道通科技股份有限公司 | battery and automobile diagnosis panel |
| WO2021097620A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳市大疆创新科技有限公司 | Battery, control method and movable device |
| CN112352365B (en) * | 2019-11-18 | 2022-07-15 | 深圳市大疆创新科技有限公司 | Battery, control method and mobile equipment |
| CN112352365A (en) * | 2019-11-18 | 2021-02-09 | 深圳市大疆创新科技有限公司 | Battery, control method and mobile equipment |
| WO2021208457A1 (en) * | 2020-04-17 | 2021-10-21 | 深圳易马达科技有限公司 | Battery power supply device |
| CN112259414A (en) * | 2020-09-18 | 2021-01-22 | 力神动力电池系统有限公司 | Low-side driving self-holding circuit of direct current contactor coil |
| CN112259414B (en) * | 2020-09-18 | 2024-06-11 | 力神（青岛）新能源有限公司 | Low-side driving self-holding circuit of direct-current contactor coil |
| CN113162160A (en) * | 2021-04-07 | 2021-07-23 | Oppo广东移动通信有限公司 | Control circuit, charging circuit and electronic equipment |
| CN114530636A (en) * | 2022-01-10 | 2022-05-24 | 福建时代星云科技有限公司 | Improve basic package and battery package connection control's mobile energy storage power supply system |
| CN115425618A (en) * | 2022-10-24 | 2022-12-02 | 东莞市森威电子有限公司 | Automatic shutdown circuit of non-resilient switch |
| CN115425618B (en) * | 2022-10-24 | 2023-03-24 | 东莞市森威电子有限公司 | Automatic shutdown circuit of non-resilient switch |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address | ||
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Address after: 510000 Block C, 115 Gaopu Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: XAG Co., Ltd. Address before: No.3a01, No.1 Sicheng Road, Gaotang Software Park, Tianhe District, Guangzhou, Guangdong 510000 Patentee before: Guangzhou Xaircraft Technology Co.,Ltd. |