CN207543016U - A kind of brush direct current motor stall detection and rotating driving circuit - Google Patents
A kind of brush direct current motor stall detection and rotating driving circuit Download PDFInfo
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- CN207543016U CN207543016U CN201721413681.XU CN201721413681U CN207543016U CN 207543016 U CN207543016 U CN 207543016U CN 201721413681 U CN201721413681 U CN 201721413681U CN 207543016 U CN207543016 U CN 207543016U
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Control Of Direct Current Motors (AREA)
Abstract
The utility model discloses a kind of brush direct current motor stall detection and rotating driving circuit, including：Power conversion module, control chip, voltage detection module, current detection module, main power switch module, commutation control module, rectification module and brush direct current motor.The voltage that technical solutions of the utility model carry out detection circuit by using current detection module carrys out the size of kinetic current, so as to judge motor whether stall；Alternating voltage is detected by voltage detection module, for doing the detection of power loss of control power supply and the compensation of brush direct current motor parameter different voltages；Brush direct current motor is controlled to be inverted in the case of stall by commutation control module；So as to protect brush direct current motor, avoid burning out.
Description
Technical field
The utility model is related to DC motor technology field, more particularly to a kind of brush direct current motor stall detection and positive and negative
Turn driving circuit.
Background technology
Increasingly mature with motor manufacturing technology, easily direct current generator more and more should for easy to operate, control
It uses in all trades and professions, it is of increased attention to the design of direct current generator driver circuit.Direct current generator has direct current
Power supply, smooth speed control, the features such as quick, speed adjustable range is wide.Using the forward and reverse rotation of direct current generator, the method for realizing system control
It is largely added in various electric equipment products.
Stall often occurs in motor operation, the electric current on motor can be very big at this time, and long-play is in this case
Motor can be not only burnt, can also damage corresponding driving circuit.
This needs a kind of brush direct current motor stall detection and rotating driving circuit, is realizing that detecting DC DC has brush
While motor rotation blockage situation, realize its rotating drive control function, avoid burning out motor.
Utility model content
The main purpose of the utility model is to propose a kind of brush direct current motor stall detection and rotating driving circuit, purport
While detection brush direct current motor stall situation is realized, its rotating drive control function is realized.
To achieve the above object, the utility model proposes brush direct current motor stall detection and rotating driving circuit,
Including：Power conversion module, control chip, voltage detection module, current detection module, main power switch module, commutation control
Module, rectification module and brush direct current motor；The power conversion module, the voltage detection module and the main power switch
Module is connect with mains electricity input end, it is described control chip respectively with the power conversion module, the voltage detection module, institute
State commutation control module, the main power switch module is connected with the current detection module；The power conversion module is used for
The voltage that the alternating current inputs is converted into the voltage that chip is controlled to be applicable in, the voltage detection module is used to detect institute
The voltage of alternating current input is stated, the main power switch module is also connect with the current detection module, the current detection module
Also connect with the rectification module, the rectification module is also connect with the commutation control module, the commutation control module with
The brush direct current motor connection.
Preferably, the current detection module includes first resistor, for detecting the voltage of voltage circuit, first electricity
Resistance one end is connect with the zero curve of ground wire and the alternating current, the other end and control chip and the rectification module of the first resistor
Connection.
Preferably, the voltage detection module includes second resistance, 3rd resistor, the 4th resistance, the first diode and the
One capacitance, one end of the second resistance are connect with the firewire of the alternating current, the other end of the second resistance respectively with it is described
The anode of first diode is connected with the 3rd resistor；4th resistance and first capacitance are in parallel, and are connected to institute
It states between the cathode of the first diode and the 3rd resistor；It is described control chip respectively with the 4th resistance, described first
Capacitance is connected with the cathode of first diode, and the 3rd resistor, the 4th resistance and the first capacitance are connect with ground wire.
Preferably, the commutation control module include the first triode, the 5th resistance, the second diode and double-throw double-pole after
Electric appliance, described 5th resistance one end are connect with the control chip, and the other end is connect with the base stage of first triode, institute
The emitter for stating the first triode is connect with ground wire, and second diode and the double-throw two keys relay are in parallel, and described the
The collector of one triode connects respectively with the anode of one end of the coil of the double-throw two keys relay and second diode
It connects, the cathode of the other end of the coil of the double-throw two keys relay and second diode is connect respectively with control power supply.
The voltage that technical solutions of the utility model carry out detection circuit by using current detection module carrys out the big of kinetic current
It is small, so as to judge motor whether stall；Alternating voltage is detected by voltage detection module, for doing the power down inspection of control power supply
It surveys and brush direct current motor parameter different voltages compensates；Brush direct current motor is controlled in the feelings of stall by commutation control module
It is inverted under condition；So as to protect brush direct current motor, avoid burning out.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the modular structure composition schematic diagram of the utility model；
Fig. 2 is the electrical block diagram of one embodiment of the utility model；
Fig. 3 is the electrical block diagram of an embodiment of voltage detection module in the utility model；
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The utility model proposes a kind of detection of brush direct current motor stall and rotating driving circuits.
Referring to figs. 1 to the modular structure composition schematic diagram that 3, Fig. 1 is the utility model；Fig. 2 is implemented for the utility model one
The electrical block diagram of example；Fig. 3 is the electrical block diagram of an embodiment of voltage detection module in the utility model.
In the utility model embodiment, brush direct current motor stall detection and rotating driving circuit；Such as Fig. 1 institutes
Show, including：Power conversion module, voltage detection module, current detection module, main power switch module, is changed control chip CPU
To control module, rectification module and brush direct current motor BDC；Power conversion module, voltage detection module and main power switch mould
Block is connect with mains electricity input end, control chip CPU respectively with power conversion module, voltage detection module, commutation control module,
Main power switch module is connected with current detection module；Power conversion module is used to the voltage that alternating current inputs being converted into control core
The voltage that piece CPU is applicable in, voltage detection module are used to detect the voltage of alternating current input, and main power switch module is also examined with electric current
Module connection is surveyed, current detection module is also connect with rectification module, and rectification module is also connect with commutation control module, commutation control
Module is connect with brush direct current motor BDC.Rectification module is used to the AC current of alternating current being converted into DC current.
The voltage that technical solutions of the utility model carry out detection circuit by using current detection module carrys out the big of kinetic current
It is small, so as to judge brush direct current motor BDC whether stall；Alternating voltage is detected by voltage detection module, for controlling
Detection of power loss and brush direct current motor BDC parameters the different voltages compensation of power supply；Direct current is controlled to have by commutation control module
Brush motor BDC is inverted in the case of stall；So as to protect brush direct current motor BDC, avoid burning out.
In the utility model embodiment, as shown in Fig. 2, current detection module includes first resistor Rs, for detecting electricity
The electric current on road is flowed back to, first resistor Rs one end is connect with the zero curve ACN of ground wire and alternating current, the other end of first resistor Rs and control
Chip CPU is connected with rectification module.Detection is connected on the voltage at the first resistor Rs both ends of main power circuit to reflect main electricity
The size of flow valuve, first resistor Rs both end voltages Vrs=Rs × I (voltage of kinetic current) are more than given threshold when measuring Vrs
When Vset (corresponding current given threshold Iset), then judge motor for locked rotor condition.
In the utility model embodiment, as shown in figure 3, voltage detection module include second resistance R2,3rd resistor R1,
4th resistance R14, the first diode D7 and the first capacitance C16, one end of second resistance R2 and the firewire ACL connections of alternating current, the
The other end of two resistance R2 is connect respectively with the anode of the first diode D7 and 3rd resistor R1；The electricity of 4th resistance R14 and first
It is in parallel to hold C16, and is connected between the cathode of the first diode D7 and 3rd resistor R1；Control chip CPU electric with the 4th respectively
Hinder the cathode connection of R14, the first capacitance C16 and the first diode D7,3rd resistor R1, the 4th resistance R14 and the first capacitance
C16 is connect with ground wire.Voltage detection module uses resistance mainly for detection of the operating voltage of brush direct current motor BDC is entered
The voltage of the alternating current of potential-divider network partial pressure input, the I/O port for being then passed to control chip CPU are ADC and sample to obtain alternating current
Pressure；Obtained voltage does two purposes：Control power supply power-fail detection and the compensation of parameter of electric machine different voltages.
In the utility model embodiment, as shown in Fig. 2, commutation control module includes the first triode Q1, the 5th resistance
R11, the second diode D1 and double-throw two keys relay K1, the 5th resistance R11 one end are connect with control chip CPU, the other end
It is connect with the base stage of the first triode Q1, the emitter of the first triode Q1 is connect with ground wire, and the second diode D1 and double-throw are double
Knife relay K1 is in parallel, the collector of the first triode Q1 one end and the two or two with the coil of double-throw two keys relay K1 respectively
The anode connection of pole pipe D1, the cathode of the other end of the coil of double-throw two keys relay K1 and the second diode D1 respectively with control
Power Vcc connects.By controlling chip CPU that double-pole double throw double-throw two keys relay K1 is controlled to realize brush direct current motor BDC's
The switching of motor steering is realized in the exchange of wiring.
In the utility model embodiment, as shown in Fig. 2, main power source control switch module is further included, including the two or three
Pole pipe Q2, the 6th resistance R22, third diode D2 and the second relay K2, the 6th resistance R22 one end connect with control chip CPU
It connects, the other end is connect with the base stage of the second triode Q2, and the emitter of the second triode Q2 is connect with ground wire, the second triode
The one end of the collector of Q2 respectively with the anode of diode and the coil of the second relay K2 is connect, the cathode of third diode D2
It is connect with the other end of the coil of the second relay K2 with control power Vcc.
In the utility model embodiment, rectification module includes rectifier D Bridge.
The utility model is very suitable for but is not limited to the brush direct current motor BDC's of household kitchen waste disposer
Controller realizes that blockage-inversing rotates forward again after after a certain period of time；It can solve the problems, such as that stall is stuck in this way, it will by positive anti-switching
Object release is blocked, burns machine after avoiding motor stuck.Very it is applicable in but is not limited to simultaneously the sewage pump of brushed DC motor
It meets and blocks up anti-knife controller, sewage is taken out by being driven reverse to be further continued for rotating forward after reamer cut-out rubbish after stall.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (4)
1. a kind of brush direct current motor stall detection and rotating driving circuit, which is characterized in that including：Power conversion module,
Control chip, voltage detection module, current detection module, main power switch module, commutation control module, rectification module and direct current
Brush motor；The power conversion module, the voltage detection module and the main power switch module are and mains electricity input end
Connection, it is described control chip respectively with the power conversion module, the voltage detection module, the commutation control module, institute
Main power switch module is stated to connect with the current detection module；The power conversion module is used for the electricity for inputting the alternating current
Pressure is converted into the voltage that the control chip and other component are applicable in, and the voltage detection module is defeated for detecting the alternating current
The voltage entered, the main power switch module are also connect with the current detection module, the current detection module also with it is described
Rectification module connects, and the rectification module is also connect with the commutation control module, the commutation control module and the direct current
Brush motor connects.
2. brush direct current motor stall detection as described in claim 1 and rotating driving circuit, which is characterized in that the electricity
It flows detection module and includes first resistor, for detecting the electric current of current loop, described first resistor one end and ground wire and the city
The zero curve connection of electricity, the other end of the first resistor are connect with control chip and the rectification module.
3. brush direct current motor stall detection as described in claim 1 and rotating driving circuit, which is characterized in that the electricity
Detection module is pressed to include second resistance, 3rd resistor, the 4th resistance, the first diode and the first capacitance, the second resistance
One end is connect with the firewire of the alternating current, the other end of the second resistance respectively with the anode of first diode and described
3rd resistor connects；4th resistance and first capacitance are in parallel, and are connected to cathode and the institute of first diode
It states between 3rd resistor；It is described control chip respectively with the 4th resistance, first capacitance and first diode
Cathode connects, and the 3rd resistor, the 4th resistance and the first capacitance are connect with ground wire.
4. brush direct current motor stall detection as described in claim 1 and rotating driving circuit, which is characterized in that described to change
Include the first triode, the 5th resistance, the second diode and double-throw two keys relay, described 5th resistance one end to control module
It is connect with the control chip, the other end is connect with the base stage of first triode, the emitter of first triode
It is connect with ground wire, second diode and the double-throw two keys relay are in parallel, the collector difference of first triode
It is connect with one end of the coil of the double-throw two keys relay and the anode of second diode, the double-throw two keys relay
Coil the other end and second diode cathode respectively with control power supply connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413681.XU CN207543016U (en) | 2017-10-30 | 2017-10-30 | A kind of brush direct current motor stall detection and rotating driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413681.XU CN207543016U (en) | 2017-10-30 | 2017-10-30 | A kind of brush direct current motor stall detection and rotating driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207543016U true CN207543016U (en) | 2018-06-26 |
Family
ID=62611571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413681.XU Withdrawn - After Issue CN207543016U (en) | 2017-10-30 | 2017-10-30 | A kind of brush direct current motor stall detection and rotating driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207543016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769640A (en) * | 2017-10-30 | 2018-03-06 | 深圳市复兴伟业技术有限公司 | A kind of brush direct current motor stall detection and rotating drive circuit |
| CN109463979A (en) * | 2018-10-12 | 2019-03-15 | 九阳股份有限公司 | A kind of control method and cooking machine of cooking machine |
-
2017
- 2017-10-30 CN CN201721413681.XU patent/CN207543016U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769640A (en) * | 2017-10-30 | 2018-03-06 | 深圳市复兴伟业技术有限公司 | A kind of brush direct current motor stall detection and rotating drive circuit |
| CN107769640B (en) * | 2017-10-30 | 2024-02-06 | 深圳市复兴伟业技术有限公司 | DC brush motor locked-rotor detection and forward-reverse rotation driving circuit |
| CN109463979A (en) * | 2018-10-12 | 2019-03-15 | 九阳股份有限公司 | A kind of control method and cooking machine of cooking machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |