CN108054978A - Electric machine control system - Google Patents
Electric machine control system Download PDFInfo
- Publication number
- CN108054978A CN108054978A CN201711421991.0A CN201711421991A CN108054978A CN 108054978 A CN108054978 A CN 108054978A CN 201711421991 A CN201711421991 A CN 201711421991A CN 108054978 A CN108054978 A CN 108054978A
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- CN
- China
- Prior art keywords
- resistance
- circuit
- switch
- motor
- detection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/02—Details
Abstract
The invention discloses a kind of electric machine control system, including motor detection circuit, first switch circuit, second switch circuit, armful valve braking circuit, temperature-sensitive detection circuit and controller；The power end of the test side of motor detection circuit and motor connects, and the controlled end of the output terminal of motor detection circuit respectively with first switch circuit and the road of second switch is connected；The input terminal of first switch circuit is connected with power supply, and with ensureing that the opening end of braking circuit is connected, the valve of embracing for embracing valve braking circuit is arranged on the rotor of motor the output terminal of the first open circuit；The input terminal of second switch circuit is connected with power supply, and the output terminal of the circuit of second switch is connected with temperature-sensitive detection circuit, and the output terminal of thermosensitive circuit and the control terminal of controller connect, and the control terminal of controller and the controlled end of motor connect.This programme is monitored according to the use state switching temperature of motor and the function of rotor brake, intelligent, energy saving.
Description
Technical field
The present invention relates to technical field of electromechanical control, more particularly to a kind of electric machine control system.
Background technology
Motor is commonly called as " motor ", refers to realize electric energy conversion or a kind of calutron transferred according to the law of electromagnetic induction.
Its main function is to generate driving torque, as electrical appliance or the power source of various machineries, has ten in various kinds of equipment
Divide important role.Motor such as breaks down or during operation under hot environment, and that easily burns shows
As, and in some equipment, motor after a stop, then needs to brake the rotor of motor；Existing technology is realizing this
It is not smart enough during a little functions.Therefore how intelligence carries out it when electrical power rotates monitoring temperature, and in motor power-off
Time brakes its rotor, is a current problem for being badly in need of solving.
The content of the invention
The technical problem to be solved by the present invention is to how provide to provide overheat protector when one kind can be opened with motor, motor closes
The electric machine control system of braking is provided when closing.
In order to solve the above-mentioned technical problem, the technical scheme is that:
A kind of electric machine control system, including motor detection circuit, first switch circuit, second switch circuit, armful valve braking
Circuit, temperature-sensitive detection circuit and controller；The test side of the motor detection circuit and the power end of motor connect, the motor
Controlled end of the output terminal of detection circuit respectively with first switch circuit and the road of second switch is connected；The first switch circuit
Input terminal be connected with power supply, the output terminal of first open circuit is with ensureing that the opening end of braking circuit is connected, described armful of valve
The valve of embracing of braking circuit is arranged on the rotor of motor；The input terminal of the second switch circuit is connected with power supply, and described second
The output terminal of the circuit of switch is connected with temperature-sensitive detection circuit, the input terminal of the output terminal of the thermosensitive circuit and the controller
Connection, the control terminal of the controller are connected with the controlled end of the motor.
Preferably：The temperature-sensitive detection circuit includes thermistor and bleeder circuit, the thermistor set with it is described
The casing internal of motor, one end of the thermistor are connected with power supply, the other end of the thermistor and the partial pressure electricity
The one end on road, the other end of the bleeder circuit are connected with the input terminal of the second switch circuit, the second switch circuit
Output head grounding.
Preferably：The motor detection circuit include first resistor and second resistance, the first end of the first resistor with
The power end connection of motor, the second end of the first resistor and the first end of the second resistance are grounded, the second resistance
Second end ground connection, the second end of the first resistor is the output terminal of the motor detection circuit.
Preferably：The first switch circuit includes 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th electricity
Resistance, first switch pipe and second switch pipe；The first end of the 3rd resistor is connected with the second end of the first resistor, described
The second end of 3rd resistor is connected with the controlled end of the first switch pipe, the output head grounding of the first switch pipe, described
4th resistor coupled in parallel is on the controlled end and output terminal of the first switch pipe；The input terminal of the first switch pipe and described the
The controlled end connection of two switching tubes, the input terminal of the second switch pipe is connected with the first end of the 6th resistance, and described the
The output terminal of two switching tubes is connected with the first end of the 7th resistance, and the second end of the 7th resistance is connected with power end,
The first end of 5th resistance is connected with the controlled end of the second switch pipe, the 5th resistance second end and hot end
Connection.
Preferably：The second switch circuit includes the 8th resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 3rd
Switching tube and the 4th switching tube；The first end of 8th resistance is connected with the second end of the first resistor, the 8th electricity
The second end of resistance is connected with the controlled end of the 3rd switching tube, the output head grounding of the 3rd switching tube, the 9th electricity
The both ends of resistance are connected in parallel on the controlled end and output terminal of the 3rd switching tube；The input terminal and the described tenth of 3rd switching tube
The first end connection of resistance, the second end of the tenth resistance are connected with the controlled end of the 4th switching tube, and the described 4th opens
The input terminal for closing pipe is connected with power supply, and the first end of the 11st resistance is connected with the controlled end of the 4th switching tube, institute
The second end for stating the 11st resistance is connected with the output terminal of the 4th switching tube.
Preferably：The temperature-sensitive detection circuit includes thermistor, the 12nd resistance and the 13rd resistance；The temperature-sensitive electricity
Resistance is connected with the 12nd resistor coupled in parallel, the first end ground connection of the 12nd resistance, the second end of the 12nd resistance
It is connected with the first end of the 13rd resistance.
Preferably：The thermistor is realized by NTC thermistor.
Preferably：The first switch pipe and the 3rd switching tube are all realized that described second opens by NPN type triode
It closes pipe and realizes that the 4th switching tube is realized by PMOS tube by NMOS tube.
Using above-mentioned technical proposal, by motor detection circuit, first switch circuit, second switch circuit, armful valve braking electricity
Road, temperature-sensitive detection circuit, detection circuit and controller, realize a kind of electric machine control system.It is detected by voltage detecting circuit
Whether motor is powered operation, and when motor operation, first switch circuitry cuts, second switch circuit is cut through, thermosensitive circuit operation,
Monitoring temperature is carried out to motor, and passes through controller and controls motor；When motor, which powers off, to be stopped, second switch circuitry cuts, the
One on-off circuit is cut through, and is embraced valve braking circuit and is opened, motor is braked.The technical program is by motor power on/off, to electricity
Machine is controlled into trip temperature or the control of overheat protector, and intelligence is effective, power saving.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of electric machine control system of the present invention；
Fig. 2 is the structure diagram of one embodiment of electric machine control system of the present invention.
In figure, 1- motor detection circuits, 2- first switch circuits, 3- second switch circuits, 4- armfuls of valve braking circuits, 5- heat
Quick circuit, 6- bleeder circuits, 7- controllers, 8- motors, RT- thermistors, Q1- first switch pipes, Q2- second switch pipes, Q3-
3rd switching tube, the 4th switching tubes of Q4-, R1- first resistors, R2- second resistances, R3- 3rd resistors, the 4th resistance of R4-, R5-
5th resistance, the 6th resistance of R6-, the 7th resistance of R7-, the 8th resistance of R8-, the 9th resistance of R9-, the tenth resistance of R10-, R11-
11 resistance, the 12nd resistance of R12-, the 13rd resistance of R13-.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not form limitation of the invention.It is in addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
With reference to Fig. 1, technical solution of the present invention provides a kind of electric machine control system, including motor detection circuit 1, first switch
Circuit 2, second switch circuit 3 embrace valve braking circuit 4, temperature-sensitive detection circuit and controller 7；The test side of motor detection circuit 1
Be connected with the power end of motor 8, the output terminal of motor detection circuit 1 respectively with the road of first switch circuit 2 and second switch
Controlled end connects；The input terminal of first switch circuit 2 is connected with power supply, and the output terminal of the first open circuit is with ensureing braking circuit
Opening end connects, and the valve of embracing for embracing valve braking circuit 4 is arranged on the rotor of motor 8；The input terminal and power supply of second switch circuit 3
Connection, the output terminal of the circuit of second switch are connected with temperature-sensitive detection circuit, the output terminal of thermosensitive circuit 5 and the control of controller 7
End connection processed, the control terminal of controller 7 are connected with the controlled end of motor 8, wherein
Motor detection circuit 1：When motor 8 powers on unlatching, open signal is sent to first switch circuit 2 and second
On-off circuit 3；
First switch circuit 2：When receiving open signal, cut-out embraces valve braking circuit 4 to power supply；Unlatching letter is not received
Number when, cut through and embrace valve braking circuit 4 to power supply；
Second switch circuit 3：When receiving open signal, temperature-sensitive detection circuit is cut through to power supply；Unlatching letter is not received
Number when, cut-out temperature-sensitive detection circuit is to power supply；
Valve braking circuit 4 is embraced, when being connected with power supply, the rotor of motor 8 is braked；.
When being connected with power supply, 8 internal temperature of motor is detected by thermistor RT for temperature-sensitive detection circuit；
Controller 7 receives the voltage signal of the test point of temperature-sensitive detection circuit, and when 8 excess temperature of motor, control motor 8 stops
Only run.
Using above-mentioned technical proposal, by motor detection circuit 1, first switch circuit 2, second switch circuit 3, armful valve braking
Circuit 4, temperature-sensitive detection circuit, detection circuit and controller 7, realize a kind of electric machine control system.Pass through voltage detecting circuit
Whether detection motor 8 is powered operation, and when motor 8 is run, first switch circuit 2 is cut off, and second switch circuit 3 is cut through, temperature-sensitive
Circuit 5 is run, and monitoring temperature is carried out to motor 8, and is passed through controller 7 and controlled motor 8；When motor 8, which powers off, to be stopped, second opens
Powered-down road 3 is cut off, and first switch circuit 2 is cut through, and is embraced valve braking circuit 4 and is opened, motor 8 is braked.The technical program is led to
8 power on/off of motor is crossed, to motor 8 into trip temperature control or the control of overheat protector, intelligence is effective, power saving.
Specifically：Temperature-sensitive detection circuit includes thermistor RT and bleeder circuit 6, and thermistor RT is set and motor 8
Casing internal, one end of thermistor RT are connected with power supply, the other end of thermistor and one end of bleeder circuit 6, partial pressure electricity
The other end on road 6 is connected with the input terminal of second switch circuit 3, the output head grounding of second switch circuit 3.
Reference Fig. 2, specifically：Motor detection circuit 1 includes first resistor R1 and second resistance R2, and the of first resistor R1
One end is connected with the power end of motor 8, and the second end of first resistor R1 is grounded with the first end of second resistance R2, second resistance R2
Second end ground connection, the second end of first resistor R1 is the output terminal of motor detection circuit 1.
Specifically：First switch circuit 2 include 3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6,
7th resistance R7, first switch pipe Q1 and second switch pipe Q2；The first end of 3rd resistor R3 and the second end of first resistor R1
Connection, the second end of 3rd resistor R3 are connected with the controlled end of first switch pipe Q1, the output head grounding of first switch pipe Q1, the
Four resistance R4 are connected in parallel on the controlled end and output terminal of first switch pipe Q1；The input terminal of first switch pipe Q1 and second switch pipe
The controlled end connection of Q2, the input terminal of second switch pipe Q2 are connected with the first end of the 6th resistance R6, and second switch pipe Q2's is defeated
Outlet is connected with the first end of the 7th resistance R7, and the second end of the 7th resistance R7 is connected with power end, and the first of the 5th resistance R5
End is connected with the controlled end of second switch pipe Q2, the second end of the 5th resistance R5 be connected with hot end.
It should be noted that when motor 8 is opened, the controlled end of first switch pipe Q1 is in high potential, first switch pipe
Q1 is cut through, and the controlled terminal potential of second switch is pulled low, and second switch pipe Q2 cut-outs, battery embraces valve no power.When motor 8 is closed
When, the controlled end of first switch pipe Q1 is in low potential, first switch pipe Q1 cut-outs, and the controlled end of second switch pipe Q2 is in height
Current potential, second switch pipe Q2 are cut through, and electromagnetism embraces valve and connects work with power supply.
Specifically：Second switch circuit 3 includes the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance
R11, the 3rd switching tube Q3 and the 4th switching tube Q4；The first end of 8th resistance R8 is connected with the second end of first resistor R1, the
The second end of eight resistance R8 is connected with the controlled end of the 3rd switching tube Q3, the output head grounding of the 3rd switching tube Q3, the 9th resistance
The both ends of R9 are connected in parallel on the controlled end and output terminal of the 3rd switching tube Q3；The input terminal and the tenth resistance R10 of 3rd switching tube Q3
First end connection, the second end of the tenth resistance R10 is connected with the controlled end of the 4th switching tube Q4, the input of the 4th switching tube Q4
End is connected with power supply, and the first end of the 11st resistance R11 is connected with the controlled end of the 4th switching tube Q4, the 11st resistance R11's
Second end is connected with the output terminal of the 4th switching tube Q4.
Specifically：Temperature-sensitive detection circuit includes thermistor RT, the 12nd resistance R12 and the 13rd resistance R13；Temperature-sensitive electricity
Resistance RT and the 12nd resistance R12 is connected in parallel, the first end of the 12nd resistance R12 ground connection, the second end of the 12nd resistance R12 and
The first end connection of 13rd resistance R13.
Specifically：Thermistor RT is realized by NTC thermistor.
Specifically：First switch pipe Q1 and the 3rd switching tube Q3 realize by NPN type triode, second switch pipe Q2 by
NMOS tube realizes that the 4th switching tube Q4 realizes by PMOS tube.
The present invention passes through motor detection circuit 1, first switch circuit 2, second switch circuit 3, armful valve braking circuit 4, heat
Quick detection circuit, detection circuit and controller 7, form a kind of electric machine control system.Motor is judged by motor detection circuit 1
Whether 8 open, and embraces valve braking circuit 4 and people's detection circuit by first switch circuit 2 and the control of second switch circuit 3 respectively
Switch, and then realize the switching of two states, more intelligent protection motor 8, and energy saving.
Embodiments of the present invention are explained in detail above in association with attached drawing, but the invention is not restricted to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (8)
1. a kind of electric machine control system, it is characterised in that：Including motor detection circuit, first switch circuit, second switch circuit,
Embrace valve braking circuit, temperature-sensitive detection circuit and controller；The test side of the motor detection circuit and the power end of motor connect,
Controlled end of the output terminal of the motor detection circuit respectively with first switch circuit and the road of second switch is connected；Described first
The input terminal of on-off circuit is connected with power supply, and the output terminal of first open circuit is connected with the opening end of guarantee braking circuit,
The valve of embracing of described armful of valve braking circuit is arranged on the rotor of motor；The input terminal of the second switch circuit is connected with power supply,
The output terminal of the circuit of the second switch is connected with temperature-sensitive detection circuit, the output terminal of the thermosensitive circuit and the controller
Input terminal connection, the control terminal of the controller is connected with the controlled end of the motor.
2. electric machine control system according to claim 1, it is characterised in that：The temperature-sensitive detection circuit includes thermistor
And bleeder circuit, the thermistor set the casing internal with the motor, one end of the thermistor is connected with power supply,
One end of the other end of the thermistor and the bleeder circuit, the other end of the bleeder circuit and second switch electricity
The input terminal connection on road, the output head grounding of the second switch circuit.
3. electric machine control system according to claim 2, it is characterised in that：The motor detection circuit includes first resistor
And second resistance, the power end of the first end of the first resistor and motor connect, the second end of the first resistor with it is described
The first end ground connection of second resistance, the second end ground connection of the second resistance, the second end of the first resistor is the motor
The output terminal of detection circuit.
4. electric machine control system according to claim 3, it is characterised in that：The first switch circuit includes the 3rd electricity
Resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, first switch pipe and second switch pipe Q2；The 3rd resistor
First end be connected with the second end of the first resistor, the second end of the 3rd resistor is controlled with the first switch pipe
End connection, the output head grounding of the first switch pipe, the 4th resistor coupled in parallel the first switch pipe controlled end and
On output terminal；The input terminal of the first switch pipe is connected with the controlled end of the second switch pipe, the second switch pipe
Input terminal is connected with the first end of the 6th resistance, the first end of the output terminal of the second switch pipe and the 7th resistance
Connection, the second end of the 7th resistance are connected with power end, first end and the second switch pipe of the 5th resistance
Controlled end connects, the second end of the 5th resistance be connected with hot end.
5. electric machine control system according to claim 4, it is characterised in that：The second switch circuit includes the 8th electricity
Resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 3rd switching tube Q3 and the 4th switching tube；The first end of 8th resistance
It being connected with the second end of the first resistor, the second end of the 8th resistance is connected with the controlled end of the 3rd switching tube,
The output head grounding of 3rd switching tube, the both ends of the 9th resistance be connected in parallel on the controlled end of the 3rd switching tube with it is defeated
Outlet；The input terminal of 3rd switching tube is connected with the first end of the tenth resistance, the second end of the tenth resistance with
The controlled end connection of 4th switching tube, the input terminal of the 4th switching tube are connected with power supply, the 11st resistance
First end is connected with the controlled end of the 4th switching tube, and the second end of the 11st resistance is defeated with the 4th switching tube
Outlet connects.
6. electric machine control system according to claim 1, it is characterised in that：The temperature-sensitive detection circuit includes temperature-sensitive electricity
Resistance, the 12nd resistance and the 13rd resistance；The thermistor is connected with the 12nd resistor coupled in parallel, the 12nd resistance
First end ground connection, the second end of the 12nd resistance is connected with the first end of the 13rd resistance.
7. electric machine control system according to claim 6, it is characterised in that：The thermistor passes through NTC thermistor
It realizes.
8. electric machine control system according to claim 5, it is characterised in that：The first switch pipe and the 3rd switch
Pipe all realized by NPN type triode, the second switch pipe is realized by NMOS tube, the 4th switching tube by PMOS tube Lai
It realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421991.0A CN108054978B (en) | 2017-12-25 | 2017-12-25 | Motor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421991.0A CN108054978B (en) | 2017-12-25 | 2017-12-25 | Motor control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054978A true CN108054978A (en) | 2018-05-18 |
| CN108054978B CN108054978B (en) | 2020-05-19 |
Family
ID=62131125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421991.0A Active CN108054978B (en) | 2017-12-25 | 2017-12-25 | Motor control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054978B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120093A (en) * | 2018-09-17 | 2019-01-01 | 江苏金彭车业有限公司 | A kind of motor of electric motor car and its control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045907U (en) * | 1989-01-24 | 1989-10-11 | 潘荣章 | Automatic protector for electrical motor |
| JP2006280057A (en) * | 2005-03-28 | 2006-10-12 | Seiko Epson Corp | Motor control method and motor controller |
| CN202634337U (en) * | 2012-04-19 | 2012-12-26 | 扬州恒春电子有限公司 | Three-phase motor brake apparatus for electric actuator |
| CN206401436U (en) * | 2016-12-28 | 2017-08-11 | Tcl通力电子（惠州）有限公司 | Battery temperature controls circuit and electronic equipment |
-
2017
- 2017-12-25 CN CN201711421991.0A patent/CN108054978B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045907U (en) * | 1989-01-24 | 1989-10-11 | 潘荣章 | Automatic protector for electrical motor |
| JP2006280057A (en) * | 2005-03-28 | 2006-10-12 | Seiko Epson Corp | Motor control method and motor controller |
| CN202634337U (en) * | 2012-04-19 | 2012-12-26 | 扬州恒春电子有限公司 | Three-phase motor brake apparatus for electric actuator |
| CN206401436U (en) * | 2016-12-28 | 2017-08-11 | Tcl通力电子（惠州）有限公司 | Battery temperature controls circuit and electronic equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120093A (en) * | 2018-09-17 | 2019-01-01 | 江苏金彭车业有限公司 | A kind of motor of electric motor car and its control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108054978B (en) | 2020-05-19 |
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