CN206650611U - A kind of circuit for controlling motor - Google Patents
A kind of circuit for controlling motor Download PDFInfo
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- CN206650611U CN206650611U CN201720164210.3U CN201720164210U CN206650611U CN 206650611 U CN206650611 U CN 206650611U CN 201720164210 U CN201720164210 U CN 201720164210U CN 206650611 U CN206650611 U CN 206650611U
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Abstract
The utility model is applied to electric machine controller field, there is provided a kind of circuit for controlling motor.The circuit for controlling motor includes：Starting module, for setting the circuit start or disconnection；Self-locking module, for after circuit start, in response to the output signal of MCU controllers, with control the circuit whether constant conduction；Charge-discharge modules, for being charged when circuit accesses power supply module, and when circuit disconnects the power supply module, carry out automatic discharging；The starting module is connected with the power supply module positive pole, the charge-discharge modules, the self-locking module and power transfer module respectively, described charge-discharge modules one end is connected with the starting module, the other end is connected with the power supply module negative pole, and the self-locking module is connected with the MCU controllers, the starting module, the power supply module negative pole respectively.Circuit for controlling motor provided by the utility model, on the premise of cost is controllable, moreover it is possible to reduce circuit power consumption and realize that circuit quickly starts.
Description
Technical field
The utility model belongs to electric machine controller field, more particularly to a kind of circuit for controlling motor.
Background technology
With the popularization of in the market battery or battery Packet driven class product, controlled using battery or the tool-class of battery bag
Device is in circuit design, the basic function not merely for realizing controller circuitry, also carries out the optimization of circuit on this basis.
Current instrument quasi-controller at work, first connects power supply module, and high current is needed by high-current switch again
Into controller, there is MCU control circuit inside controller, controlled motor works under this model.
However, in above-mentioned model, high-current switch cost is higher, does not meet the requirement of cost control；And electric current first passes through
High-current switch enters back into controller, can not realize that circuit quickly starts；Furthermore if user forget turn off high-current switch or
Person's power supply module occur it is under-voltage in the case of, controller can not autonomous deenergization, excessive power consumption and meeting can be caused
Reduce the power supply module life-span.
Utility model content
The utility model provides a kind of circuit for controlling motor, it is intended to solves that instrument quasi-controller power consumption is higher, cost is higher
And the problem of can not quickly starting.
The utility model is achieved in that a kind of circuit for controlling motor, it is characterised in that the circuit for controlling motor bag
Include；
Starting module, for setting the circuit start or disconnection；
Self-locking module, for after circuit start, in response to the output signal of MCU controllers, to control the circuit
Whether constant conduction；
Charge-discharge modules, for being charged when circuit accesses power supply module, and the power supply mould is disconnected in circuit
During block, automatic discharging is carried out；
The starting module respectively with the power supply module positive pole, the charge-discharge modules, the self-locking module and power supply
Modular converter is connected, and described charge-discharge modules one end is connected with the starting module, and the other end connects with the power supply module negative pole
Connect, the self-locking module is connected with the MCU controllers, the starting module, the power supply module negative pole respectively.
Preferably, the starting module includes triode Q1；
The triode Q1 is PNP type triode, and emitter stage connects the power supply module positive pole, and base stage connects described respectively
Self-locking module and the charge-discharge modules, colelctor electrode connect the power transfer module.
Preferably, the starting module also includes：It is connected to the triode Q1 colelctor electrodes and the power transfer module
Between resistance R1.
Preferably, the self-locking module includes triode Q2 and resistance R6；
The triode Q2 is NPN type triode, and base stage connects MCU controllers, and emitter stage is grounded by the resistance R6,
Colelctor electrode connects the triode Q1 base stages.
Preferably, the self-locking module also includes：It is connected between the triode Q2 base stages and the MCU controllers
Resistance R5.
Preferably, the charge-discharge modules include resistance R2, resistance R3, resistance R7, triode Q3, diode D1 and electric capacity
C1；
Described resistance R2 one end connects the power supply module positive pole, and the other end is connected by the R3 with the electric capacity C1；
The electric capacity C1 other ends ground connection；Described resistance R7 one end connects the power supply module positive pole, other end ground connection；The triode
Q3 is PNP type triode, and emitter stage connects the node between the resistance R3 and electric capacity C1, grounded collector；Described two
Pole pipe D1 negative poles connect the power supply module positive pole, and positive pole connects the triode Q3 base stages；The resistance R2 and resistance R3 it
Between node connect the triode Q1 base stages.
Preferably, the charge-discharge modules also include：Resistance R4, described resistance R4 one end connect the triode Q3 transmittings
Pole, the other end connect the node between the resistance R3 and electric capacity C1.
Circuit for controlling motor provided by the utility model, by increasing starting module, self-locking mode in instrument quasi-controller
It block and charge-discharge modules, can realize in the case where controller starts disconnection repeatedly, be improved and started using charge-discharge modules characteristic
Speed, the high-current switch of high cost is substituted with starting module, the automatic locking and cut-out of circuit are realized using self-locking module, it is right
Existing controller circuit optimizes, and efficiently solves that controller circuitry cost is higher, power consumption is higher and to start the time longer
Problem.
Brief description of the drawings
Fig. 1 is the circuit diagram of the first embodiment provided by the utility model.
Fig. 2 is the circuit diagram of second of embodiment provided by the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
A kind of circuit for controlling motor provided by the utility model will be described in detail below.
Embodiment one
Fig. 1 shows the circuit diagram of the first embodiment provided by the utility model.In the present embodiment, a kind of motor control
Circuit processed, including：
Starting module 101, for setting the circuit start or disconnection；
Self-locking module 102, for after circuit start, in response to the output signal of MCU controllers, to control the electricity
Road whether constant conduction；
Charge-discharge modules 103, for being charged when circuit accesses power supply module, and the power supply is disconnected in circuit
During module, automatic discharging is carried out；
The starting module 101 respectively with the power supply module positive pole, the charge-discharge modules 103, the self-locking module
102 are connected with power transfer module, and described one end of charge-discharge modules 103 is connected with the starting module 101, the other end with it is described
Power supply module negative pole connect, the self-locking module 102 respectively with the MCU controllers, the starting module 101, the power supply
Module negative connects.
Wherein, the power supply module includes battery or battery bag, and the utility model embodiment will illustrate as example,
But it is not intended as to restriction of the present utility model.
Circuit is plugging the moment of battery or battery bag, using the characteristic of charge-discharge modules 103, forms current loop；
In charging process, starting module 101 obtains enough voltage, after power transfer module so that whole loop is powered；And from
Lock module 102 selects whether control circuit locks according to the height of the output voltage of MCU controllers.
In the present embodiment, by the quick startup of real 103 existing circuit of charge-discharge modules, substituted and passed with starting module 101
The high-current switch of system, the automatic locking of circuit is completed with disconnecting by self-locking module 102.Motor control is realized using such scheme
The low-power consumption of circuit processed, cost are low with quick startup.
Embodiment two
Fig. 2 shows the circuit diagram of second of embodiment provided by the utility model.
In the present embodiment, the starting module 101 includes triode Q1；The triode Q1 is PNP type triode, hair
Emitter-base bandgap grading connects the power supply module positive pole, and base stage connects the self-locking module and the charge-discharge modules, colelctor electrode connection respectively
The power transfer module.
In the present embodiment, the starting module 101 also includes：It is connected to the triode Q1 colelctor electrodes and the power supply
Resistance R1 between modular converter.
In the present embodiment, the self-locking module 102 includes triode Q2 and resistance R6；The triode Q2 is NPN type
Triode, base stage connection MCU controllers, emitter stage are grounded by the resistance R6, and colelctor electrode connects the triode Q1 base stages.
In the present embodiment, the self-locking module 102 also includes：It is connected to the triode Q2 base stages and MCU controls
Resistance R5 between device processed.
In the present embodiment, the charge-discharge modules 103 include resistance R2, resistance R3, resistance R7, triode Q3, two poles
Pipe D1 and electric capacity C1；
Described resistance R2 one end connects the power supply module positive pole, and the other end is connected by the R3 with the electric capacity C1；
The electric capacity C1 other ends ground connection；Described resistance R7 one end connects the power supply module positive pole, other end ground connection；The triode
Q3 is PNP type triode, and emitter stage connects the node between the resistance R3 and electric capacity C1, grounded collector；Described two
Pole pipe D1 negative poles connect the power supply module positive pole, and positive pole connects the triode Q3 base stages；The resistance R2 and resistance R3 it
Between node connect the triode Q1 base stages.
In the present embodiment, the charge-discharge modules 103 also include：Resistance R4, resistance R4 one end connection described three
Pole pipe Q3 emitter stages, the other end connect the node between the resistance R3 and electric capacity C1.
The operation principle of Fig. 2 circuit diagrams described further below：
Circuit connects Vcc power supply moments, make use of the characteristic of charge-discharge modules 103, by resistance R2, resistance R3 to electric capacity
C1 charges, and forms current loop；In C1 charging processes, enough voltage differences are produced on resistance R2, make positive-negative-positive in starting module
Enough voltage differences are formed between triode Q1 emitter stage and base stage, Q1 is quickly opened, and after being connected to power transfer module, is made whole
Individual power on circuitry；After disconnecting Vcc power supplys, using the characteristic of charge-discharge modules 103, electric capacity C1 passes through PNP type triode Q3, two poles
Pipe D1, resistance R7 repid discharges so that charge current loop can be formed switch on power next time after again.Circuit normal work
Afterwards, self-locking module can be controlled by MCU controllers, one of output port connection NPN type triode is selected in MCU controllers
Q2 base stage, high level is exported, then triode Q2 is opened, and whole circuit is always maintained at "on" position, that is, completes circuit oneself
Lock；After user stops using controller, controller can be by automatically terminating self-locking module, controller output port output one
Individual low level, triode Q2 is closed, self-locking module is automatically terminated, that is, realizes voluntarily deenergization.
In the present embodiment, if occurring, power supply module is under-voltage or other failures, MCU controllers export low level, releases
The auto-lock function of self-locking module, active deenergization, protection controller is not damaged by, and makes whole control system power consumption shape
State, power supply module over-discharge is prevented, extend the power supply module life-span.
In the present embodiment, PNP type triode Q1 and Q3 can use positive-negative-positive metal-oxide-semiconductor to substitute, and NPN type triode Q2 can use NPN
Type metal-oxide-semiconductor substitutes.
Electric capacity C1 can be polarized electric capacity in the present embodiment, or polarity free capacitor, can all realize charging/discharging function.
In the present embodiment, starting module 101 also includes being connected between triode Q1 colelctor electrodes and power transfer module
Resistance R1, metering function can be played to circuit, thereby protect circuit.
In the present embodiment, self-locking module 102 also includes the resistance being connected between triode Q2 base stages and MCU controllers
R5；Charge-discharge modules 103 also include resistance R4, resistance R4 one end connecting triode Q3 emitter stages, other end connection resistance R3 and
Node between electric capacity C1.And the function that resistance R4 and resistance R5 is realized is consistent with above-mentioned resistance R1.
Circuit for controlling motor provided by the utility model, by increasing starting module, self-locking mode in instrument quasi-controller
It block and charge-discharge modules, can realize in the case where controller starts disconnection repeatedly, be improved and started using charge-discharge modules characteristic
Speed, the high-current switch of high cost is substituted with starting module, the automatic locking and cut-out of circuit are realized using self-locking module, it is right
Existing controller circuit optimizes, and efficiently solves that controller circuitry cost is higher, power consumption is higher and to start the time longer
Problem.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of circuit for controlling motor, it is characterised in that the circuit for controlling motor includes：
Starting module, for setting the circuit start or disconnection；
Self-locking module, for after circuit start, in response to the output signal of MCU controllers, whether to control the circuit
Constant conduction；
Charge-discharge modules, for being charged when circuit accesses power supply module, and when circuit disconnects the power supply module,
Carry out automatic discharging；
The starting module respectively with the power supply module positive pole, the charge-discharge modules, the self-locking module and Power convert
Module is connected, and described charge-discharge modules one end is connected with the starting module, and the other end is connected with the power supply module negative pole, institute
Self-locking module is stated to be connected with the MCU controllers, the starting module, the power supply module negative pole respectively.
2. circuit as claimed in claim 1, it is characterised in that the starting module includes triode Q1；
The triode Q1 is PNP type triode, and emitter stage connects the power supply module positive pole, and base stage connects the self-locking respectively
Module and the charge-discharge modules, colelctor electrode connect the power transfer module.
3. circuit as claimed in claim 2, it is characterised in that the starting module also includes：It is connected to the triode Q1
Resistance R1 between colelctor electrode and the power transfer module.
4. circuit as claimed in claim 2, it is characterised in that the self-locking module includes triode Q2 and resistance R6；
The triode Q2 is NPN type triode, and base stage connects MCU controllers, and emitter stage is grounded by the resistance R6, current collection
Pole connects the triode Q1 base stages.
5. circuit as claimed in claim 4, it is characterised in that the self-locking module also includes：It is connected to the triode Q2
Resistance R5 between base stage and the MCU controllers.
6. circuit as claimed in claim 4, it is characterised in that the charge-discharge modules include resistance R2, resistance R3, resistance
R7, triode Q3, diode D1 and electric capacity C1；
Described resistance R2 one end connects the power supply module positive pole, and the other end is connected by the R3 with the electric capacity C1；It is described
The electric capacity C1 other ends are grounded；Described resistance R7 one end connects the power supply module positive pole, other end ground connection；The triode Q3 is
PNP type triode, emitter stage connect the node between the resistance R3 and electric capacity C1, grounded collector；The diode
D1 negative poles connect the power supply module positive pole, and positive pole connects the triode Q3 base stages；Between the resistance R2 and resistance R3
Node connects the triode Q1 base stages.
7. circuit as claimed in claim 6, it is characterised in that the charge-discharge modules also include：Resistance R4, the resistance R4
One end connects the triode Q3 emitter stages, and the other end connects the node between the resistance R3 and electric capacity C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164210.3U CN206650611U (en) | 2017-02-22 | 2017-02-22 | A kind of circuit for controlling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164210.3U CN206650611U (en) | 2017-02-22 | 2017-02-22 | A kind of circuit for controlling motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650611U true CN206650611U (en) | 2017-11-17 |
Family
ID=60281360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720164210.3U Active CN206650611U (en) | 2017-02-22 | 2017-02-22 | A kind of circuit for controlling motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206650611U (en) |
-
2017
- 2017-02-22 CN CN201720164210.3U patent/CN206650611U/en active Active
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