CN205844775U - On/off circuit and electric motor car electronic equipment - Google Patents
On/off circuit and electric motor car electronic equipment Download PDFInfo
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- CN205844775U CN205844775U CN201620443802.4U CN201620443802U CN205844775U CN 205844775 U CN205844775 U CN 205844775U CN 201620443802 U CN201620443802 U CN 201620443802U CN 205844775 U CN205844775 U CN 205844775U
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Abstract
This utility model provides on/off circuit and electric motor car electronic equipment, described on/off circuit is connected with power supply, described on/off circuit includes on-off circuit, boot-strap circuit, closedown detection circuit and control circuit, when described on-off circuit is triggered, described control circuit is powered by the most described boot-strap circuit, the most described control circuit sends Continuity signal to boot-strap circuit so that boot-strap circuit maintains the state of constant conduction；When described on-off circuit is triggered again, described closedown detection circuit drives described control circuit to stop sending Continuity signal, make the power supply of boot-strap circuit deenergization, thus complete shutdown, so supply current needs not move through mechanical switch, solve electric motor car in prior art to also exist and affect electric motor car normally use because of mechanical switch fault, reduce electric motor car efficiency and the problem of reliability.
Description
Technical field
This utility model relates to technical field of integrated circuits, particularly to the switching on and shutting down that may be disposed at electric motor car electronic equipment
Circuit.
Background technology
Existing electric motor car electronic equipment, its power supply be typically all be connected with power supply by a mechanical switch, therefore from
Power supply is required for, through this mechanical switch, arriving electronic equipment the most again to whole electric currents of electronic equipment.But this machine
When driving, can there is maloperation because of the vibrations of the generations such as road bump, may cause switching on and shutting down in tool construction of switch,
Thus reduce reliability.It addition, in use for some time, make owing to mechanical switch interior metal contact surface can gradually aoxidize
The internal resistance of switch increases, so that electric current does work on switch, reduces efficiency and the reliability of electric motor car.
Therefore, in prior art, electric motor car also exists affects electric motor car normally use because of mechanical switch fault, reduces electricity
Motor-car efficiency and the problem of reliability.
Utility model content
This utility model purpose is to provide on/off circuit and electric motor car electronic equipment, it is intended to solve electricity in prior art
Motor-car also exists to be affected electric motor car normally use because of mechanical switch fault, reduces electric motor car efficiency and the problem of reliability.
This utility model provides a kind of on/off circuit, is connected with power supply, and described on/off circuit includes:
On-off circuit and control circuit；
It is connected between described power supply and control circuit, when described on-off circuit is triggered, described control circuit is entered
Row power supply, and receive the Continuity signal that described control circuit sends, maintain the boot-strap circuit of conducting state；
It is connected between described on-off circuit and control circuit, when described on-off circuit is triggered again, drives described
Control circuit stops sending Continuity signal so that the closedown detection circuit that boot-strap circuit deenergization is powered.
In said structure, described on/off circuit also includes:
Being connected between described boot-strap circuit and control circuit, the electric current exporting described boot-strap circuit carries out voltage stabilizing, and
Electric current after voltage stabilizing is transferred to described control circuit, with the mu balanced circuit that described control circuit is powered.
In said structure, described on-off circuit includes:
Resistance R1 and touch-switch K3；
The first described power supply of termination of described resistance R1, second end of described resistance R1 meets institute by described touch-switch K3
State the public connecting end of boot-strap circuit and closedown detection circuit.
In said structure, described boot-strap circuit includes:
Diode D1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, audion Q1 and audion Q2；
The anode of described diode D1 is connected with described touch-switch K3, and the negative electrode of described diode D1 passes through described electricity
Resistance R4 meets the public connecting end of the base stage of described resistance R6 and audion Q2, the other end of described resistance R6 and described audion Q2
Emitter stage common ground, described resistance R5 first termination described control circuit, described resistance R5 second termination described three
The base stage of pole pipe Q2, the first described power supply of termination of described resistance R8, second end of described resistance R8 connects described by resistance R7
The colelctor electrode of audion Q2, the emitter stage of described audion Q1 connects described power supply, and the base stage of described audion Q1 connects described resistance
R7 and the public connecting end of resistance R8, the colelctor electrode of described audion Q1 connects described mu balanced circuit.
In said structure, described closedown detection circuit includes:
Resistance R2, resistance R3 and electric capacity C3；
Described resistance R2 and described electric capacity C3 connects described control circuit jointly, and the other end ground connection of described electric capacity C3 is described
The public connecting end of another termination described resistance R3 and described diode D1 of resistance R2, the other end ground connection of described resistance R3.
In said structure, described mu balanced circuit includes:
Electric capacity C1, electric capacity C2 and power supply chip U1；
Described power supply chip U1 includes input IN, outfan OUT and earth terminal GND, the input of described power supply chip U1
End IN connects the colelctor electrode of described audion Q1 and described electric capacity C1, the other end ground connection of described electric capacity C1, described power supply core simultaneously
The outfan OUT of sheet U1 connects described control circuit and described electric capacity C2, the other end ground connection of described electric capacity C2, described power supply simultaneously
The earth terminal GND of chip U1 is directly grounded.
In said structure, described control circuit 103 includes that a control chip U2, described control chip U2 include:
Voltage end KV, shutdown test side PA1 and signal keep end PA15；
Described voltage end KV meets the outfan OUT of described power supply chip U1, described shutdown test side PA1 and meets described resistance R2
With the public connecting end of described electric capacity C3, described signal keeps end PA15 to meet described resistance R5.
In said structure, described on-off circuit includes:
Diode D16, resistance R85, resistance R86, electric capacity C47 and touch-switch K1；
The first described power supply of termination of described diode D16, second end of described diode D16 passes through described resistance R86
Connecing described electric capacity C47 and the public connecting end of described touch-switch K1, described resistance R85 is in parallel with described resistance R86, described electricity
Holding the other end ground connection of C47, the other end of described touch-switch K1 connects described boot-strap circuit and described closedown detection circuit simultaneously.
In said structure, described boot-strap circuit includes:
Resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, electric capacity C33, electric capacity C50, electric capacity
C51, electric capacity C52, diode D14, diode D23 and start chip U13；
Described start chip U13 include identify end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and
Transmission ends SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance
The first described closedown detection circuit of termination of R88, second described Enable Pin RON of termination of described resistance R88, described resistance R87
First termination described control circuit, second end of described resistance R87 connects described Enable Pin RON, described electricity by diode D14
The second end ground connection of first the termination described power end VCC, described electric capacity C51 of appearance C51, the plus earth of described diode D23,
The negative electrode of described diode D23 connects described transmission ends SW, and described auxiliary end BST meets described diode D23 by described electric capacity C52
With the public connecting end of resistance R89, first described transmission ends SW of termination of described resistance R89, second termination of described resistance R89
Described resistance R90 and the public connecting end of resistance R91, another of described resistance R90 terminates described mu balanced circuit, described resistance
The other end of R91 passes through resistance R92 ground connection, and described electric capacity C33 is in parallel with described resistance R91, described resistance R91 and resistance R92
Commonly connected termination described feedback end FB；
Or described boot-strap circuit includes:
Resistance R80, resistance R81, resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, three poles
Pipe Q11, audion Q12, electric capacity C33, electric capacity C50, electric capacity C51, electric capacity C52, diode D20, diode D23 and start chip
U13；
Described start chip U13 include identify end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and
Transmission ends SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance
The colelctor electrode of the first described audion Q12 of termination of R88, second described Enable Pin RON of termination of described resistance R88, described two
The anode of pole pipe D20 meets described touch-switch K1, and the negative electrode of described diode D20 meets described resistance R88 and described audion Q12
Common connection end, the emitter stage of described audion Q12 connects described on-off circuit, and the base stage of described audion Q12 connects described electricity
Resistance R80 and the public connecting end of resistance R81, the emitter stage of the Q12 of the first described audion of termination of described resistance R81, described
The base stage of the second described audion Q12 of termination of resistance R81, the current collection of the described audion Q11 of another termination of described resistance R80
Pole, the first described control circuit of termination of described resistance R87, the base of the second described audion Q11 of termination of described resistance R87
Pole, the grounded emitter of described audion Q11, the first described power end VCC of termination of described electric capacity C51, described electric capacity C51's
Second end ground connection, the plus earth of described diode D23, the negative electrode of described diode D23 connects described transmission ends SW, described auxiliary
End BST connects described diode D23 and the public connecting end of resistance R89, first end of described resistance R89 by described electric capacity C52
Connect described transmission ends SW, the second described resistance R90 of termination and the public connecting end of resistance R91, the described resistance of described resistance R89
Another of R90 terminates described mu balanced circuit, and the other end of described resistance R91 passes through resistance R92 ground connection, described electric capacity C33 and institute
State resistance R91 in parallel, the commonly connected termination described feedback end FB of described resistance R91 and resistance R92.
This utility model also provides for a kind of electric motor car electronic equipment, and described electric motor car electronic equipment includes institute structured as described above
The on/off circuit stated.
In sum, this utility model provides on/off circuit and electric motor car electronic equipment, described on/off circuit with
Power supply connects, and described on/off circuit includes on-off circuit, boot-strap circuit, closedown detection circuit and control circuit, opens when described
When pass circuit is triggered, described control circuit is powered by the most described boot-strap circuit, and the most described control circuit sends conducting
Signal is to boot-strap circuit so that boot-strap circuit maintains the state of constant conduction；When described on-off circuit is triggered again, described
Closedown detection circuit drives described control circuit to stop sending Continuity signal so that the power supply of boot-strap circuit deenergization, thus
Completing shutdown, such supply current needs not move through mechanical switch, solves electric motor car in prior art and also exists because of machinery
Switch fault and affect electric motor car and normally use, reduce electric motor car efficiency and the problem of reliability.
Accompanying drawing explanation
The module diagram of the on/off circuit that Fig. 1 provides for this utility model one embodiment；
The complete module schematic diagram of the on/off circuit that Fig. 2 provides for this utility model one embodiment；
The circuit diagram of the on/off circuit that Fig. 3 provides for this utility model one embodiment；
The circuit diagram of the on/off circuit that Fig. 4 provides for another embodiment of this utility model；
The circuit diagram of the on/off circuit that Fig. 5 provides for the another embodiment of this utility model.
Detailed description of the invention
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below
In conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that described herein being embodied as
Example, only in order to explain this utility model, is not used to limit this utility model.
This utility model embodiment provide on/off circuit be mainly used in electric motor car, particularly electric two-wheel vehicle, three
In wheel car and electrodynamic balance car electronic equipment, its supply current need not continuously pass through mechanical switch, it is to avoid driving conditions because of
Mechanical switch fault affects electronic equipment and normally works, and improves the reliability of car load.
Fig. 1 shows the modular structure of the on/off circuit that this utility model one embodiment proposes, for convenience of explanation, only
Show the part relevant to this utility model embodiment.
A kind of on/off circuit that may be disposed in electric motor car electronic equipment, is connected with power supply, described on/off circuit bag
Include:
On-off circuit 101 and control circuit 105；
It is connected between described power supply and control circuit 105, when described on-off circuit 101 is triggered, to described control
Circuit is powered, and receives the Continuity signal that described control circuit 105 sends, and maintains the boot-strap circuit 102 of conducting state；
It is connected between described on-off circuit 101 and control circuit 105, when described on-off circuit 101 is triggered again,
Described control circuit 105 is driven to stop sending Continuity signal so that the closedown detection circuit that boot-strap circuit deenergization is powered
103。
Wherein, when described on-off circuit 101 is triggered, the step being powered described control circuit 105 includes two
The situation of kind: the first is when described on-off circuit 101 is triggered, triggers the conducting of described boot-strap circuit 102 indirectly, thus right
Described control circuit 105 is powered；Another kind is when described on-off circuit 101 is triggered, and directly makes whole switching on and shutting down
Circuit is in loop state, and described control circuit 105 is powered by the most described boot-strap circuit 102.Enforcement of the present utility model
Example all relates only to the first situation.
Fig. 2 shows the complete module structure of the on/off circuit that this utility model one embodiment proposes, and says for convenience
Bright, illustrate only the part relevant to this utility model embodiment.
As this utility model one embodiment, described on/off circuit also includes:
It is connected between described boot-strap circuit 102 and control circuit 105, the electric current of described boot-strap circuit 102 output is entered
Row voltage stabilizing, and the electric current after voltage stabilizing is transferred to described control circuit 105, steady with what described control circuit 105 was powered
Volt circuit 104.
Wherein, the mu balanced circuit 104 effect in whole on/off circuit is so that the electricity that described boot-strap circuit 102 exports
Pressure is in state relatively smoothly, to ensure the job demand of whole on/off circuit.
Fig. 3 shows the circuit structure of the on/off circuit that this utility model one embodiment proposes, for convenience of explanation, only
Show the part relevant to this utility model embodiment.
As this utility model one embodiment, described on-off circuit 101 includes:
Resistance R1 and touch-switch K3；
The first described power supply of termination of described resistance R1, second end of described resistance R1 meets institute by described touch-switch K3
State boot-strap circuit 102 and the public connecting end of closedown detection circuit 103.
As this utility model one embodiment, described boot-strap circuit 102 includes:
Diode D1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, audion Q1 and audion Q2；
The anode of described diode D1 is connected with described touch-switch K3, and the negative electrode of described diode D1 passes through described electricity
Resistance R4 meets the public connecting end of the base stage of described resistance R6 and audion Q2, the other end of described resistance R6 and described audion Q2
Emitter stage common ground, described resistance R5 first termination described control circuit, described resistance R5 second termination described three
The base stage of pole pipe Q2, the first described power supply of termination of described resistance R8, second end of described resistance R8 connects described by resistance R7
The colelctor electrode of audion Q2, the emitter stage of described audion Q1 connects described power supply, and the base stage of described audion Q1 connects described resistance
R7 and the public connecting end of resistance R8, the colelctor electrode of described audion Q1 connects described mu balanced circuit.
As this utility model one embodiment, described closedown detection circuit 103 includes:
Resistance R2, resistance R3 and electric capacity C3；
Described resistance R2 and described electric capacity C3 connects described control circuit jointly, and the other end ground connection of described electric capacity C3 is described
The public connecting end of another termination described resistance R3 and described diode D1 of resistance R2, the other end ground connection of described resistance R3.
As this utility model one embodiment, described mu balanced circuit 104 includes:
Electric capacity C1, electric capacity C2 and power supply chip U1；
Described power supply chip U1 includes input IN, outfan OUT and earth terminal GND, the input of described power supply chip U1
End IN connects the colelctor electrode of described audion Q1 and described electric capacity C1, the other end ground connection of described electric capacity C1, described power supply core simultaneously
The outfan OUT of sheet U1 connects described control circuit and described electric capacity C2, the other end ground connection of described electric capacity C2, described power supply simultaneously
The earth terminal GND of chip U1 is directly grounded.In the present embodiment, described power supply chip U1 uses model to be the power supply of LM2930T
Chip, the model of described power supply chip does not limits, as long as can reach and the functional effect of the present embodiment power supply chip U1.
As this utility model one embodiment, described control circuit 105 includes a control chip U2, described control chip U2
Including:
Voltage end KV, shutdown test side PA1 and signal keep end PA15；
Described voltage end KV meets the outfan OUT of described power supply chip U1, described shutdown test side PA1 and meets described resistance R2
With the public connecting end of described electric capacity C3, described signal keeps end PA15 to meet described resistance R5.In the present embodiment, described control
Chip U2 uses model to be the singlechip chip of STM32FEBKC6, and the model of described control chip does not limits, as long as can reach
Functional effect with the present embodiment control chip U2.
The operation principle of the on/off circuit that this utility model one embodiment provides is:
Start process: when on-off circuit is triggered, described supply voltage flows to diode D1 by touch-switch K3, then
Finally arriving the base stage of audion Q2 through resistance R4 so that audion Q2 saturation conduction, audion Q1 is also switched on simultaneously, thus
Power to the power supply chip U1 in mu balanced circuit, export 3.3V or 5V after power supply chip U1 work and power to control circuit, due to
Control circuit is made up of single-chip microcomputer, keeps end PA15 persistently to export a high level from signal and protect after the work of described single-chip microcomputer
Holding the base stage that signal is added to audion Q2 by resistance R5 makes audion Q2 be held on, and completes start.
Wherein, diode D1 plays buffer action, and main purpose is to keep the start of end PA15 output to play signal
Keep the isolation between signal and closedown detection circuit.
Shutdown process: when described on-off circuit is triggered again, closedown detection circuit detects off signal, closes machine examination
Survey end PA1 output low level, then audion Q2 cut-off, also result in audion Q1 and end, thus power cutoff, it is achieved shutdown.
Fig. 4 shows the circuit structure of the on/off circuit that another embodiment of this utility model proposes, for convenience of explanation,
Illustrate only the part relevant to this utility model embodiment.
As another embodiment of this utility model, described on-off circuit 101 includes:
Diode D16, resistance R85, resistance R86, electric capacity C47 and touch-switch K1；
The first described power supply of termination of described diode D16, second end of described diode D16 passes through described resistance R86
Connecing described electric capacity C47 and the public connecting end of described touch-switch K1, described resistance R85 is in parallel with described resistance R86, described electricity
Holding the other end ground connection of C47, the other end of described touch-switch K1 connects described boot-strap circuit and described closedown detection circuit simultaneously.
As another embodiment of this utility model, described boot-strap circuit 102 includes:
Resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, electric capacity C33, electric capacity C50, electric capacity
C51, electric capacity C52, diode D14, diode D23 and start chip U13；
Described start chip U13 include identify end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and
Transmission ends SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance
The first described closedown detection circuit of termination of R88, second described Enable Pin RON of termination of described resistance R88, described resistance R87
First termination described control circuit, second end of described resistance R87 connects described Enable Pin RON, described electricity by diode D14
The second end ground connection of first the termination described power end VCC, described electric capacity C51 of appearance C51, the plus earth of described diode D23,
The negative electrode of described diode D23 connects described transmission ends SW, and described auxiliary end BST meets described diode D23 by described electric capacity C52
With the public connecting end of resistance R89, first described transmission ends SW of termination of described resistance R89, second termination of described resistance R89
Described resistance R90 and the public connecting end of resistance R91, another of described resistance R90 terminates described mu balanced circuit, described resistance
The other end of R91 passes through resistance R92 ground connection, and described electric capacity C33 is in parallel with described resistance R91, described resistance R91 and resistance R92
Commonly connected termination described feedback end FB.Described electric capacity C50 should be close proximity to start chip U13.The effect of described electric capacity C33
It is to reduce feedback decay to reduce ripple voltage.In the present embodiment, described start chip U13 uses model to be opening of LM5008
Movement sheet, the model of described start chip does not limits, as long as the functional effect with the present embodiment start chip U13 can be reached i.e.
Can.
As another embodiment of this utility model, described closedown detection circuit 103 includes:
Resistance R82, resistance R83, resistance R84 and electric capacity C32；
The first described control circuit of termination of described resistance R84, second end of described resistance R84 meets institute by resistance R82
Stating on-off circuit, described electric capacity C32 is connected between described resistance R84 and the public connecting end of control circuit and ground, described electricity
Resistance R83 is connected between described resistance R82 and the public connecting end of resistance R84 and ground.
As another embodiment of this utility model, described mu balanced circuit 104 includes:
Electric capacity C43, electric capacity C44 and power supply chip U1；
Described power supply chip U1 includes input IN, outfan OUT and earth terminal GND, the input of described power supply chip U1
End IN connects described resistance R90 and described electric capacity C43, the other end ground connection of described electric capacity C43 simultaneously, and described power supply chip U1's is defeated
Go out to hold OUT to meet described control circuit and described electric capacity C44, the other end ground connection of described electric capacity C44, described power supply chip U1 simultaneously
Earth terminal GND be directly grounded.In the present embodiment, described power supply chip U1 uses model to be the power supply chip of LM2930T, institute
The model stating power supply chip does not limits, as long as can reach and the functional effect of the present embodiment power supply chip U1.
As this utility model one embodiment, described control circuit 105 includes a control chip U2, described control chip U2
Including:
Voltage end KV, shutdown test side PF1 and signal keep end PB2；
Described voltage end KV meets the outfan OUT of described power supply chip U1, described shutdown test side PA1 and connects described resistance
R84 and the public connecting end of described electric capacity C32, described signal keeps end PB2 to meet described resistance R87.In the present embodiment, described
Control chip U2 uses model to be the singlechip chip of STM32FEBKC6, and the model of described control chip does not limits, if energy
Reach and the functional effect of the present embodiment control chip U2.
The operation principle of the on/off circuit that another embodiment of this utility model provides is:
Start process: when on-off circuit is triggered, described supply voltage flows to diode D20 by touch-switch K1,
Finally arrive identification end VIN through resistance R88 again and wake up start chip U13 up so that the power supply chip U1 output of mu balanced circuit
3.3V or 5V powers to single-chip microcomputer, keeps end PB2 persistently to export a high level from signal and keep signal to lead to after single-chip microcomputer work
Cross resistance R87 and diode D14 be added to start shooting chip U13 identification end VIN make start chip U13 be held on, complete start.
Wherein, diode D20 and diode D14 plays buffer action, and main purpose is to play signal holding end PB2
The start of output keeps the isolation between signal and closedown detection circuit.
Shutdown process: when on-off circuit is triggered again, closedown detection circuit detects off signal, test side of shutting down
PA1 output low level, is added to identify that end VIN makes chip U13 entrance sleep of starting shooting, thus stops output, it is achieved shutdown.
Fig. 5 shows the circuit structure of the on/off circuit that the another embodiment of this utility model proposes, for convenience of explanation,
Illustrate only the part relevant to this utility model embodiment.
As the another embodiment of this utility model, it is boot-strap circuit with the difference of another embodiment of the present invention
Concrete structure is different, and shown boot-strap circuit 102 includes:
Resistance R80, resistance R81, resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, three poles
Pipe Q11, audion Q12, electric capacity C33, electric capacity C50, electric capacity C51, electric capacity C52, diode D20, diode D23 and start chip
U13；
Described start chip U13 include identify end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and
Transmission ends SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance
The colelctor electrode of the first described audion Q12 of termination of R88, second described Enable Pin RON of termination of described resistance R88, described two
The anode of pole pipe D20 meets described touch-switch K1, and the negative electrode of described diode D20 meets described resistance R88 and described audion Q12
Common connection end, the emitter stage of described audion Q12 connects described on-off circuit, and the base stage of described audion Q12 connects described electricity
Resistance R80 and the public connecting end of resistance R81, the emitter stage of the Q12 of the first described audion of termination of described resistance R81, described
The base stage of the second described audion Q12 of termination of resistance R81, the current collection of the described audion Q11 of another termination of described resistance R80
Pole, the first described control circuit of termination of described resistance R87, the base of the second described audion Q11 of termination of described resistance R87
Pole, the grounded emitter of described audion Q11, the first described power end VCC of termination of described electric capacity C51, described electric capacity C51's
Second end ground connection, the plus earth of described diode D23, the negative electrode of described diode D23 connects described transmission ends SW, described auxiliary
End BST connects described diode D23 and the public connecting end of resistance R89, first end of described resistance R89 by described electric capacity C52
Connect described transmission ends SW, the second described resistance R90 of termination and the public connecting end of resistance R91, the described resistance of described resistance R89
Another of R90 terminates described mu balanced circuit, and the other end of described resistance R91 passes through resistance R92 ground connection, described electric capacity C33 and institute
State resistance R91 in parallel, the commonly connected termination described feedback end FB of described resistance R91 and resistance R92.Described electric capacity C50 should use up
Amount is near start chip U13.The effect of described electric capacity C33 is to reduce feedback decay to reduce ripple voltage.In the present embodiment,
The start chip that described start chip U13 uses model to be LM5008, the model of described start chip does not limits, as long as can reach
To the functional effect with the present embodiment start chip U13.
The operation principle of the on/off circuit that the another embodiment of this utility model provides and the operation principle of another embodiment
Difference be: in start process, be to keep end PB2 persistently to export high level from signal to keep signal after single-chip microcomputer work
Simultaneously turn on and be added to start through audion Q11 and audion Q12, audion Q11 and audion Q12 again by resistance R87
The identification end VIN of chip U13 makes start chip U13 be held on, and completes start.
In sum, this utility model provides on/off circuit and electric motor car electronic equipment, described on/off circuit with
Power supply connects, and described on/off circuit includes on-off circuit, boot-strap circuit, closedown detection circuit and control circuit, opens when described
When pass circuit is triggered, described control circuit is powered by the most described boot-strap circuit, and the most described control circuit sends conducting
Signal is to boot-strap circuit so that boot-strap circuit maintains the state of constant conduction；When described on-off circuit is triggered again, described
Closedown detection circuit drives described control circuit to stop sending Continuity signal so that the power supply of boot-strap circuit deenergization, thus
Completing shutdown, such supply current needs not move through mechanical switch, solves electric motor car in prior art and also exists because of machinery
Switch fault and affect electric motor car and normally use, reduce electric motor car efficiency and the problem of reliability.This utility model embodiment is real
The simplest, it is not necessary to increase extra hardware, can effectively reduce cost, there is stronger usability and practicality.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (10)
1. an on/off circuit, is connected with power supply, it is characterised in that described on/off circuit includes:
On-off circuit and control circuit；
It is connected between described power supply and control circuit, when described on-off circuit is triggered, described control circuit is supplied
Electricity, and receive the Continuity signal that described control circuit sends, maintain the boot-strap circuit of conducting state；
It is connected between described on-off circuit and control circuit, when described on-off circuit is triggered again, drives described control
Circuit stops sending Continuity signal so that the closedown detection circuit that boot-strap circuit deenergization is powered.
2. on/off circuit as claimed in claim 1, it is characterised in that described on/off circuit also includes:
Being connected between described boot-strap circuit and control circuit, the electric current exporting described boot-strap circuit carries out voltage stabilizing, and will be steady
Electric current after pressure is transferred to described control circuit, with the mu balanced circuit being powered described control circuit.
3. on/off circuit as claimed in claim 2, it is characterised in that described on-off circuit includes:
Resistance R1 and touch-switch K3；
Described resistance R1 first termination described power supply, second end of described resistance R1 by described touch-switch K3 connect described in open
Dynamo-electric road and the public connecting end of closedown detection circuit.
4. on/off circuit as claimed in claim 3, it is characterised in that described boot-strap circuit includes:
Diode D1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, audion Q1 and audion Q2；
The anode of described diode D1 is connected with described touch-switch K3, and the negative electrode of described diode D1 passes through described resistance R4
Connecing the public connecting end of the base stage of described resistance R6 and audion Q2, the other end of described resistance R6 is sent out with described audion Q2's
Emitter-base bandgap grading common ground, the first described control circuit of termination of described resistance R5, the second described audion of termination of described resistance R5
The base stage of Q2, the first described power supply of termination of described resistance R8, second end of described resistance R8 connects described three poles by resistance R7
The colelctor electrode of pipe Q2, the emitter stage of described audion Q1 connects described power supply, the base stage of described audion Q1 connect described resistance R7 and
The public connecting end of resistance R8, the colelctor electrode of described audion Q1 connects described mu balanced circuit.
5. on/off circuit as claimed in claim 4, it is characterised in that described closedown detection circuit includes:
Resistance R2, resistance R3 and electric capacity C3；
Described resistance R2 and described electric capacity C3 connects described control circuit, the other end ground connection of described electric capacity C3, described resistance jointly
The public connecting end of another termination described resistance R3 and described diode D1 of R2, the other end ground connection of described resistance R3.
6. on/off circuit as claimed in claim 5, it is characterised in that described mu balanced circuit includes:
Electric capacity C1, electric capacity C2 and power supply chip U1；
Described power supply chip U1 includes input IN, outfan OUT and earth terminal GND, the input IN of described power supply chip U1
Meet the colelctor electrode of described audion Q1 and described electric capacity C1, the other end ground connection of described electric capacity C1, described power supply chip U1 simultaneously
Outfan OUT connect described control circuit and described electric capacity C2, the other end ground connection of described electric capacity C2, described power supply chip simultaneously
The earth terminal GND of U1 is directly grounded.
7. on/off circuit as claimed in claim 6, it is characterised in that described control circuit 103 includes a control chip U2,
Described control chip U2 includes:
Voltage end KV, shutdown test side PA1 and signal keep end PA15；
Described voltage end KV meets the outfan OUT of described power supply chip U1, described shutdown test side PA1 and meets described resistance R2 and institute
Stating the public connecting end of electric capacity C3, described signal keeps end PA15 to meet described resistance R5.
8. on/off circuit as claimed in claim 2, it is characterised in that described on-off circuit includes:
Diode D16, resistance R85, resistance R86, electric capacity C47 and touch-switch K1；
The first described power supply of termination of described diode D16, second end of described diode D16 meets institute by described resistance R86
Stating electric capacity C47 and the public connecting end of described touch-switch K1, described resistance R85 is in parallel with described resistance R86, described electric capacity
The other end ground connection of C47, the other end of described touch-switch K1 connects described boot-strap circuit and described closedown detection circuit simultaneously.
9. on/off circuit as claimed in claim 8, it is characterised in that described boot-strap circuit includes:
Resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, electric capacity C33, electric capacity C50, electric capacity C51,
Electric capacity C52, diode D14, diode D23 and start chip U13；
Described start chip U13 includes identifying end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and transmission
End SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance R88's
First terminates described closedown detection circuit, second described Enable Pin RON of termination of described resistance R88, the first of described resistance R87
Terminating described control circuit, second end of described resistance R87 meets described Enable Pin RON, described electric capacity C51 by diode D14
First termination described power end VCC, described electric capacity C51 the second end ground connection, the plus earth of described diode D23, described
The negative electrode of diode D23 connects described transmission ends SW, and described auxiliary end BST meets described diode D23 and electricity by described electric capacity C52
The public connecting end of resistance R89, first described transmission ends SW of termination of described resistance R89, second termination of described resistance R89 is described
Resistance R90 and the public connecting end of resistance R91, another of described resistance R90 terminates described mu balanced circuit, described resistance R91's
The other end passes through resistance R92 ground connection, and described electric capacity C33 is in parallel with described resistance R91, and described resistance R91's and resistance R92 is public
Connect and terminate described feedback end FB；
Or described boot-strap circuit includes:
Resistance R80, resistance R81, resistance R87, resistance R88, resistance R89, resistance R90, resistance R91, resistance R92, audion
Q11, audion Q12, electric capacity C33, electric capacity C50, electric capacity C51, electric capacity C52, diode D20, diode D23 and start chip
U13；
Described start chip U13 includes identifying end VIN, Enable Pin RON, feedback end FB, power end VCC, auxiliary end BST and transmission
End SW；The first described identification end VIN of termination of described electric capacity C50, the second end ground connection of described electric capacity C50, described resistance R88's
First colelctor electrode terminating described audion Q12, second described Enable Pin RON of termination of described resistance R88, described diode
The anode of D20 meets described touch-switch K1, and the negative electrode of described diode D20 connects being total to of described resistance R88 and described audion Q12
With connecting end, the emitter stage of described audion Q12 connects described on-off circuit, and the base stage of described audion Q12 meets described resistance R80
With the public connecting end of resistance R81, the emitter stage of the Q12 of the first described audion of termination of described resistance R81, described resistance
The base stage of the second described audion Q12 of termination of R81, the colelctor electrode of the described audion Q11 of another termination of described resistance R80,
The first described control circuit of termination of described resistance R87, the base stage of the second described audion Q11 of termination of described resistance R87, institute
State the grounded emitter of audion Q11, the first described power end VCC of termination of described electric capacity C51, the second of described electric capacity C51
End ground connection, the plus earth of described diode D23, the negative electrode of described diode D23 connects described transmission ends SW, described auxiliary end
BST meets described diode D23 and the public connecting end of resistance R89 by described electric capacity C52, first termination of described resistance R89
Described transmission ends SW, the second described resistance R90 of termination and the public connecting end of resistance R91, the described resistance of described resistance R89
Another of R90 terminates described mu balanced circuit, and the other end of described resistance R91 passes through resistance R92 ground connection, described electric capacity C33 and institute
State resistance R91 in parallel, the commonly connected termination described feedback end FB of described resistance R91 and resistance R92.
10. an electric motor car electronic equipment, it is characterised in that described electric motor car electronic equipment includes as described in claim 1-9
On/off circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620443802.4U CN205844775U (en) | 2016-05-13 | 2016-05-13 | On/off circuit and electric motor car electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620443802.4U CN205844775U (en) | 2016-05-13 | 2016-05-13 | On/off circuit and electric motor car electronic equipment |
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| CN205844775U true CN205844775U (en) | 2016-12-28 |
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| CN106741405A (en) * | 2016-12-29 | 2017-05-31 | 杭州骑客智能科技有限公司 | The starting-up method of balance car and the device of control balance car start |
| CN109450424A (en) * | 2018-09-30 | 2019-03-08 | 深圳供电局有限公司 | One key switch electromechanics road of electronic equipment and electronic equipment |
| CN109709858A (en) * | 2018-12-29 | 2019-05-03 | 北京淳中科技股份有限公司 | Switching on and shutting down control circuit, embedded device, method and system |
| CN110794858A (en) * | 2019-11-01 | 2020-02-14 | 浙江阿尔郎科技有限公司 | Balance car main control system, control system and balance car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106741405A (en) * | 2016-12-29 | 2017-05-31 | 杭州骑客智能科技有限公司 | The starting-up method of balance car and the device of control balance car start |
| WO2018120358A1 (en) * | 2016-12-29 | 2018-07-05 | 杭州骑客智能科技有限公司 | Balance scooter startup method and apparatus controlling balance scooter startup |
| CN106741405B (en) * | 2016-12-29 | 2019-04-09 | 杭州骑客智能科技有限公司 | The starting-up method of balance car and the device of control balance car booting |
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| CN109450424A (en) * | 2018-09-30 | 2019-03-08 | 深圳供电局有限公司 | One key switch electromechanics road of electronic equipment and electronic equipment |
| CN109709858A (en) * | 2018-12-29 | 2019-05-03 | 北京淳中科技股份有限公司 | Switching on and shutting down control circuit, embedded device, method and system |
| CN109709858B (en) * | 2018-12-29 | 2020-08-14 | 北京淳中科技股份有限公司 | On-off control circuit, embedded equipment, method and system |
| CN110794858A (en) * | 2019-11-01 | 2020-02-14 | 浙江阿尔郎科技有限公司 | Balance car main control system, control system and balance car |
| WO2021082950A1 (en) * | 2019-11-01 | 2021-05-06 | 浙江阿尔郎科技有限公司 | Main control system and control system of balance vehicle, and balance vehicle |
| CN113071586A (en) * | 2021-05-20 | 2021-07-06 | 广东高标电子科技有限公司 | Electric vehicle controller enables subassembly |
| CN113071586B (en) * | 2021-05-20 | 2022-07-26 | 广东高标电子科技有限公司 | Electric vehicle controller enables subassembly |
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