CN202940760U - Motor control device - Google Patents
Motor control device Download PDFInfo
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- CN202940760U CN202940760U CN 201220568146 CN201220568146U CN202940760U CN 202940760 U CN202940760 U CN 202940760U CN 201220568146 CN201220568146 CN 201220568146 CN 201220568146 U CN201220568146 U CN 201220568146U CN 202940760 U CN202940760 U CN 202940760U
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- resistance
- power supply
- diode
- triode
- motor control
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Abstract
The utility model discloses a motor control device. The motor control device comprises a brake control module used for controlling brake of a motor and a power source providing power for the brake control module and further comprises a time-delay control circuit which is connected between the power source and the brake control module. According to the motor control device, the time-delay control circuit which is used for carrying out brake control of the motor and making the brake control module realize work-predetermined time delay is arranged between the power source and the brake control module, and thereby accurate control of inertia running of the motor is realized.
Description
Technical field
The utility model relates to the electric machines control technology field, relates in particular to a kind of motor control assembly.
Background technology
The motor circuit that existing motor circuit such as electric screw driver are corresponding, switch disconnect so that microcontroller outage rear motor because inertia remains in operation, need to be to the coasting control of braking, with the depth of accurate control screw.Yet existing motor control assembly can not satisfy people's needs.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of motor control assembly is provided, and after switch disconnects, microcontroller time-delay power supply is realized control to the coasting of motor, satisfies people's needs.
In order to solve the problems of the technologies described above, the utility model embodiment has proposed a kind of motor control assembly, comprise the brake control module controlled for motor is braked and be the power supply of brake control module power supply, described motor control assembly also comprises the delay control circuit that is connected between described power supply and described brake control module.
Further, described delay control circuit comprises: the K switch that the first contact is connected with power supply; The power supply branch road, comprise the first diode D1 and the first triode Q1 that are connected in successively between power supply and brake control module, the positive pole of the first diode D1 connects power supply, the emitter of the first triode Q1 connects the negative pole of the first diode D1, collector electrode connects the brake control module, and base stage is connected in described emitter by the first resistance R 1; Power supply time-delay branch road comprises the RC charge-discharge circuit that consists of by the second diode D2 between the second contact that is series at successively K switch and earth terminal, by the second resistance R 2 and the first capacitor C 1, by the 3rd resistance R 3 and the 4th resistance R 4 are composed in series and the resistance string in parallel with the first capacitor C 1 is conjuncted, base stage is connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode are connected in the base stage of the first triode Q1 by the 5th resistance R 5 the second triode Q2.
Further, described delay control circuit comprises: the K switch that the first contact is connected with power supply; The power supply branch road, comprise the first diode D1 and the first triode Q1 that are connected in successively between power supply and brake control module, the positive pole of the first diode D1 connects power supply, the emitter of the first triode Q1 connects the negative pole of the first diode D1, collector electrode connects the brake control module, and base stage is connected in described emitter by the first resistance R 1; Power supply time-delay branch road, comprise by the second triode Q2 of the base stage that the first loop, the base stage that are made of the second diode D2, the 3rd resistance R 3 and the 4th resistance R 4 between the second contact that is series at successively K switch and earth terminal are connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode are connected in the first triode Q1 by the 5th resistance R 5 and be used to the second triode Q2 that the supply module of conducting voltage is provided, described supply module is connected between the second diode D2 and the 3rd resistance R 3 by the 3rd diode D3.
Further, described motor control assembly also comprises the second contact of being connected in K switch and the voltage detection module between the second diode D2.
Further, press detection module and brake control module to be integrated in a microcontroller.
Further, described motor control assembly also comprises the second contact of being connected in K switch and the voltage detection module between the second diode D2, and described voltage detection module, supply module and brake control module are integrated in a microcontroller.
Further, described K switch is sensitive switch.
Further, described motor control assembly is the motor control assembly that is applied to electric screw driver.
The beneficial effect of the motor control assembly of the utility model embodiment is: make the described brake control module delay working scheduled time by arranging between described power supply and described brake control module, the delay control circuit of controlling so that motor is braked, thus realized accurate control to the coasting of motor.
Description of drawings
Fig. 1 is the principle schematic of control circuit of the motor control assembly of the utility model embodiment.
Fig. 2 is the electrical block diagram of the motor control assembly of the utility model one embodiment.
Fig. 3 is the electrical block diagram of the motor control assembly of another embodiment of the utility model.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can mutually combine, and below in conjunction with the drawings and specific embodiments, the utility model are described in further detail.
Please refer to Fig. 1 ~ Fig. 3, the motor control assembly of the utility model embodiment can be the motor control assembly that is applied to electric screw driver, comprise the brake control module 10 controlled for motor is braked, be the power supply 20 of described brake control module 10 power supplies, also comprise the described 10 delay working scheduled times of brake control module that make that are connected between described power supply 20 and described brake control module 10, with the delay control circuit 30 that motor is braked control.
Described power supply 20 is DC power supply.
In execution mode as shown in Figure 2, described delay control circuit 30 comprises K switch, power supply branch road and power supply time-delay branch road.
Described K switch is sensitive switch, and first contact (fixed end) of K switch is connected with power supply 20.
The power supply branch road comprises the first diode D1 and the first triode Q1 that is connected in successively between power supply 20 and brake control module 10.Wherein, the emitter that the positive pole of the first diode D1 meets power supply 20, the first triode Q1 connects the negative pole of the first diode D1, and collector electrode connects brake control module 10, and base stage is connected in described emitter by the first resistance R 1.
Power supply time-delay branch road comprises the RC charge-discharge circuit that consists of by the second diode D2 between the second contact (moved end) that is series at successively K switch and earth terminal, by the second resistance R 2 and the first capacitor C 1, by the 3rd resistance R 3 and the 4th resistance R 4 are composed in series and the resistance string in parallel with the first capacitor C 1 is conjuncted, base stage is connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode are connected in the base stage of the first triode Q1 by the 5th resistance R 5 the second triode Q2.
In present embodiment, described motor control assembly also comprises the second contact (moved end) of being connected in K switch and the voltage detection module 40 between the second diode D2, and voltage detection module 40 and brake control module 10 are integrated in a microcontroller.
Present embodiment specific works process is: after the K switch closure, power supply 20 is given the first capacitor C 1 charging by the second diode D2 and the second resistance R 2, the voltage of the first capacitor C 1 is added to the base stage of the second triode Q2 by the 3rd resistance R 3 and the 4th resistance R 4 simultaneously, when the first capacitor C 1 is charged to when being enough to make the second triode Q2 conducting, the second triode Q2 conducting, and then make the first triode Q1 conducting, make power supply 20 to described microcontroller power supply.
after K switch disconnects, it is zero that voltage detection module 40 detects magnitude of voltage, judge that namely K switch enters off-state, at this moment, the voltage of the first capacitor C 1 is added to the second triode Q2 by the 3rd resistance R 3 and the 4th resistance R 4, after making K switch disconnect, the second triode Q2 continues to keep the conducting scheduled time, this time is by the first capacitor C 1, the parameter of the 3rd resistance R 3 and the 4th resistance R 4 determines, and then make the first triode Q1 also keep the conducting scheduled time, conducting by the first triode Q1 makes power supply 20 continue to 10 power supplies of brake control module, and brake control module 10 is started working when voltage detection module 40 is judged as off-state, make microcontroller can complete the control of brake.
In execution mode as shown in Figure 3, described delay control circuit 30 comprises K switch, power supply branch road and power supply time-delay branch road.Wherein, the difference with as shown in Figure 2 execution mode is power supply time-delay branch road.
Described K switch is sensitive switch, and first contact (fixed end) of K switch is connected with power supply 20.
The power supply branch road comprises the first diode D1 and the first triode Q1 that are connected in successively between power supply 20 and brake control module 10.Wherein, the emitter that the positive pole of the first diode D1 meets power supply 20, the first triode Q1 connects the negative pole of the first diode D1, and collector electrode connects brake control module 10, and base stage is connected in described emitter by the first resistance R 1.
power supply time-delay branch road comprise by between the second contact (moved end) that is series at successively K switch and earth terminal by the second diode D2, the first loop that the 3rd resistance R 3 and the 4th resistance R 4 consist of, base stage is connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode be connected in by the 5th resistance R 5 the first triode Q1 base stage the second triode Q2 and be used to the second triode Q2 that the supply module 50 of conducting voltage is provided, described supply module 50 is connected between the second diode D2 and the 3rd resistance R 3 by the 3rd diode D3, particularly, the positive pole of the 3rd diode D3 is connected in supply module 50, negative pole is connected between the second diode D2 and the 3rd resistance R 3.
Described motor control assembly also comprises the second contact (moved end) of being connected in K switch and the voltage detection module 40 between the second diode D2, and described voltage detection module 40, supply module 50 and brake are controlled 10 of moulds and be integrated in a microcontroller.
Present embodiment specific works process is: when K switch is closed, power supply 20 voltages are loaded into the second triode Q2 by the second diode D2, the 3rd resistance R 3 and the 4th resistance R 4, make the second triode Q2 and first all conductings of triode Q1, and then, power supply 20 is given described microcontroller power supply, simultaneously, the supply module 50 output high level in microcontroller also can make the second triode Q2 and first all conductings of triode Q1 by the first diode D1, the 3rd resistance R 3 and the 4th resistance R 4.
When K switch disconnects, it is zero that voltage detection module 40 detects magnitude of voltage, judge that namely K switch enters off-state, at this moment, supply module 50 continues the output high level and makes the second triode Q2 and the first triode Q1 conducting by the first diode D1, the 3rd resistance R 3 and the 4th resistance R 4 is described microcontroller power supply, and brake control module 10 is started working when voltage detection module 40 is judged as off-state, to complete the control of brake; Described microcontroller can be the single-chip microcomputer of tool timing module, when being judged as off-state, timing module begins by presetting the duration timing, supply module 50 when the timing module timing is complete output low level to the first diode D1, make the second triode Q2 and the first triode Q1 cut-off, thereby described microcontroller quits work.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that do not break away from principle of the present utility model and spirit can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalency range thereof.
Claims (8)
1. motor control assembly, comprise the brake control module controlled for motor is braked and be the power supply of brake control module power supply, it is characterized in that, described motor control assembly also comprises the delay control circuit that is connected between described power supply and described brake control module.
2. motor control assembly as claimed in claim 1, is characterized in that, described delay control circuit comprises:
The K switch that the first contact is connected with power supply;
The power supply branch road, comprise the first diode D1 and the first triode Q1 that are connected in successively between power supply and brake control module, the positive pole of the first diode D1 connects power supply, the emitter of the first triode Q1 connects the negative pole of the first diode D1, collector electrode connects the brake control module, and base stage is connected in described emitter by the first resistance R 1;
Power supply time-delay branch road comprises the RC charge-discharge circuit that consists of by the second diode D2 between the second contact that is series at successively K switch and earth terminal, by the second resistance R 2 and the first capacitor C 1, by the 3rd resistance R 3 and the 4th resistance R 4 are composed in series and the resistance string in parallel with the first capacitor C 1 is conjuncted, base stage is connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode are connected in the base stage of the first triode Q1 by the 5th resistance R 5 the second triode Q2.
3. motor control assembly as claimed in claim 1, is characterized in that, described delay control circuit comprises:
The K switch that the first contact is connected with power supply;
The power supply branch road, comprise the first diode D1 and the first triode Q1 that are connected in successively between power supply and brake control module, the positive pole of the first diode D1 connects power supply, the emitter of the first triode Q1 connects the negative pole of the first diode D1, collector electrode connects the brake control module, and base stage is connected in described emitter by the first resistance R 1;
Power supply time-delay branch road, comprise by the second triode Q2 of the base stage that the first loop, the base stage that are made of the second diode D2, the 3rd resistance R 3 and the 4th resistance R 4 between the second contact that is series at successively K switch and earth terminal are connected between the 3rd resistance R 3 and the 4th resistance R 4, grounded emitter and collector electrode are connected in the first triode Q1 by the 5th resistance R 5 and be used to the second triode Q2 that the supply module of conducting voltage is provided, described supply module is connected between the second diode D2 and the 3rd resistance R 3 by the 3rd diode D3.
4. motor control assembly as claimed in claim 2, is characterized in that, described motor control assembly also comprises the second contact of being connected in K switch and the voltage detection module between the second diode D2.
5. motor control assembly as claimed in claim 4, is characterized in that, voltage detection module and brake control module are integrated in a microcontroller.
6. motor control assembly as claimed in claim 3, it is characterized in that, described motor control assembly also comprises the second contact of being connected in K switch and the voltage detection module between the second diode D2, and described voltage detection module, supply module and brake control module are integrated in a microcontroller.
7. motor control assembly as claimed in claim 2 or claim 3, is characterized in that, described K switch is sensitive switch.
8. motor control assembly as claimed in claim 1, is characterized in that, described motor control assembly is the motor control assembly that is applied to electric screw driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568146 CN202940760U (en) | 2012-10-31 | 2012-10-31 | Motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568146 CN202940760U (en) | 2012-10-31 | 2012-10-31 | Motor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940760U true CN202940760U (en) | 2013-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568146 Expired - Lifetime CN202940760U (en) | 2012-10-31 | 2012-10-31 | Motor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787969A (en) * | 2016-08-25 | 2017-05-31 | 深圳市锐钜科技有限公司 | Alternating current generator brake gear and its control method |
| CN111585479A (en) * | 2020-05-11 | 2020-08-25 | 成都寰蓉光电科技有限公司 | Three-phase sensorless brushless direct current motor control system |
-
2012
- 2012-10-31 CN CN 201220568146 patent/CN202940760U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787969A (en) * | 2016-08-25 | 2017-05-31 | 深圳市锐钜科技有限公司 | Alternating current generator brake gear and its control method |
| CN111585479A (en) * | 2020-05-11 | 2020-08-25 | 成都寰蓉光电科技有限公司 | Three-phase sensorless brushless direct current motor control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160825 Address after: The United Kingdom of Great Britain and Northern Ireland United Nations Northern Ireland 8 District Cardiff CF15 Reed Joyce Ge Road No. 29 Patentee after: Martin Morgan Vennard Address before: 518000 Shenzhen City, Baoan Province, the first floor of the comprehensive building of the gold zone, the 34 floor, building 5 Patentee before: Leitong Technology Development Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |