CN112087164A - Motor braking control circuit - Google Patents
Motor braking control circuit Download PDFInfo
- Publication number
- CN112087164A CN112087164A CN202011048763.5A CN202011048763A CN112087164A CN 112087164 A CN112087164 A CN 112087164A CN 202011048763 A CN202011048763 A CN 202011048763A CN 112087164 A CN112087164 A CN 112087164A
- Authority
- CN
- China
- Prior art keywords
- motor
- power supply
- resistor
- diode
- control 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
-
- 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
- H02H7/0833—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 for electric motors with control arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
The application provides motor brake control circuit relates to circuit technical field, and this motor brake control circuit includes: the control unit is used for receiving the temperature information and informing a switch of a power supply of the motor according to the temperature information; the motor power supply is used for supplying power to the motor under the control of the control unit; the motor is used for running under the condition of power supply of the motor power supply. According to the embodiment of the invention, the temperature of the motor is detected by the detection unit, the temperature information is sent to the control unit, and when the temperature of the motor exceeds the threshold value, the notification unit controls the power supply of the motor to stop supplying power to the motor, so that the motor can not continue to operate, the temperature of the motor is ensured not to be too high, and the motor is prevented from being burnt.
Description
Technical Field
The application relates to the technical field of circuits, in particular to a motor brake control circuit.
Background
With the progress of science and technology, the application range of the motor is wider and wider, the function of the motor is larger and larger, and with the popularization of the use of the motor, the problem in the use of the motor also comes along.
Among the current motor control, the braking control to the motor mostly adopts the manual work to control, realizes the switch of motor through the manual work to the switch of power, but the operation of motor probably surpasses the load many times to all cut off the power supply to the motor immediately through the manual work after the motor overload, but the rotor can continue to rotate a period, leads to the motor high temperature, takes place to burn out, needs the improvement.
Disclosure of Invention
The purpose of this application aims at solving one of foretell technical defect at least, and especially prior art is not accurate enough to the control of motor, not timely enough, and the rotor can continue to rotate a period of time, leads to the motor high temperature, takes place the technical problem of burning out.
In a first aspect, a motor brake control circuit is provided, the motor brake control circuit comprising:
a detection unit for detecting temperature information of the motor and transmitting the temperature information to the control unit,
the control unit is used for receiving the temperature information and informing the switch of the motor power supply according to the temperature information;
the motor power supply is used for supplying power to the motor under the control of the control unit;
the motor is used for running under the condition of power supply of the motor power supply.
Optionally, the motor brake control circuit further includes:
and the motor power supply detection unit is used for detecting power supply information of the motor power supply and sending the power supply information to the control unit.
Optionally, the motor power detecting unit includes:
a thermistor mounted on the motor.
Optionally, the detection circuit further includes:
the detection device comprises a thermistor, a first end of the thermistor is grounded, a second end of the thermistor is connected with the first end of the second resistor, the second end of the second resistor is connected with the input end of the detection unit, the first end of the third resistor is connected with a motor power supply, the second end of the third resistor is connected with the first end of the second resistor, the first end of the fourth resistor is connected with the second end of the third resistor, and the second end of the fourth resistor is grounded.
Optionally, the motor unit detection unit includes:
the input end of the optical coupler is connected to the input end of the motor power supply, one output end of the optical coupler is grounded, and the other output end of the optical coupler is connected with the switch control end of the control unit.
Optionally, the motor brake control circuit further includes:
the switch circuit comprises a capacitor, a first diode, a second diode, a switch tube, a first resistor and an excitation coil; the controlled end of switch tube with the control end of control unit is connected, the output of switch tube with the first end of first resistance is connected, the second end ground connection of first resistance, the input of switch tube with the positive pole of first diode is connected, the negative pole of first diode with the negative pole of second diode is connected, the positive pole of second diode is connected with the power, excitation coil connect in parallel in the both ends of first diode, the first end of electric capacity with the positive pole of second diode is connected, the second end ground connection of electric capacity.
Optionally, the thermistor is an NTC thermistor.
According to the embodiment of the invention, the temperature of the motor is detected by the detection unit, the temperature information is sent to the control unit, and when the temperature of the motor exceeds the threshold value, the notification unit controls the power supply of the motor to stop supplying power to the motor, so that the motor can not continue to operate, the temperature of the motor is ensured not to be too high, and the motor is prevented from being burnt.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly described below.
Fig. 1 is a schematic diagram of a motor braking control circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a detection circuit according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a motor power detection unit according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a motor power detection circuit according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a switch circuit according to an embodiment of the present application;
fig. 6 is a schematic diagram of a switching circuit according to an embodiment of the present disclosure.
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The application provides a motor control circuit, aims at solving prior art technical problem as above.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The embodiment of the present disclosure provides a motor braking control circuit, as shown in fig. 1, the motor braking control circuit includes:
a detection unit 110 for detecting temperature information of the motor, and transmitting the temperature information to the control unit,
the control unit 120 is configured to receive the temperature information and notify a switch of a power supply of the motor according to the temperature information;
the motor power supply 130 is used for supplying power to the motor under the control of the control unit;
the motor 140 is used for running under the condition of power supply of the motor.
In the embodiment of the present disclosure, the detecting unit 110 is a temperature detecting unit, configured to detect a temperature of the motor, and optionally, a temperature detecting circuit, as shown in fig. 2, including a thermistor R4, the thermistor R4 is mounted on the motor, and a second resistor, a third resistor, and a fourth resistor, where the first end of the thermistor R4 is grounded, the second end of the thermistor R4 is connected to the first end of the second resistor R2, the second end of the second resistor R2 is connected to the input end of the control unit, the first end of the third resistor R1 is connected to the motor power supply, the second end of the third resistor R1 is connected to the first end of the second resistor R2, the first end of the fourth resistor R3 is connected to the second end of the third resistor R1, and the second end of the fourth resistor R3 is grounded. In the embodiment of the present disclosure, the control unit may be a controller such as a single chip microcomputer or a CPU, and is configured to control the switching of the motor power supply according to the temperature information. Optionally, the temperature of the motor is measured through a thermistor, and when the temperature of the motor is too high, the informing unit controls the power supply of the motor to be turned off, so that the control of the motor is realized.
According to the embodiment of the invention, the temperature of the motor is detected by the detection unit, the temperature information is sent to the control unit, and when the temperature of the motor exceeds the threshold value, the notification unit controls the power supply of the motor to stop supplying power to the motor, so that the motor can not continue to operate, the temperature of the motor is ensured not to be too high, and the motor is prevented from being burnt.
The embodiment of the present disclosure provides a possible implementation manner, in this implementation manner, as shown in fig. 3, in the motor braking control circuit, the motor braking control circuit further includes:
and a motor power detection unit 150 for detecting power supply information of the motor power and transmitting the power supply information to the control unit.
In the embodiment of the present disclosure, as shown in fig. 4, the motor unit detecting unit includes: and the input end of the optical coupler Z is connected to the input end of the motor power supply, one output end of the optical coupler Z is grounded, and the other output end of the optical coupler Z is connected with the switch control end of the control unit.
The embodiment of the present disclosure provides a possible implementation manner, in this implementation manner, the motor braking control circuit further includes: the switch circuit comprises a capacitor, a first diode, a second diode, a switch tube, a first resistor and an excitation coil; the controlled end of switch tube with the control end of control unit is connected, the output of switch tube with the first end of first resistance is connected, the second end ground connection of first resistance, the input of switch tube with the positive pole of first diode is connected, the negative pole of first diode with the negative pole of second diode is connected, the positive pole of second diode is connected with the power, excitation coil connect in parallel in the both ends of first diode, the first end of electric capacity with the positive pole of second diode is connected, the second end ground connection of electric capacity.
For the embodiment of the present disclosure, as shown in fig. 5, the motor brake control circuit further includes a switch circuit 160, wherein, as shown in fig. 6, the switch circuit 150 includes a capacitor C1, a first diode, a second diode, a switch tube, a first resistor, and an excitation coil; the controlled end of the switch tube Q1 is connected to the control end of the control unit, the output end of the switch tube Q1 is connected to the first end of a fifth resistor R5, the second end of the fifth resistor R5 is grounded, the input end of the switch tube Q1 is connected to the anode of the first diode D1, the cathode of the first diode D1 is connected to the cathode of the second diode D2, the anode of the second diode D2 is connected to the power supply, the excitation coil L1 is connected in parallel to the two ends of the first diode D1, the first end of the capacitor C1 is connected to the anode of the second diode D2, and the second end of the capacitor C1 is grounded.
Optionally, the thermistor is an NTC thermistor.
According to the embodiment of the invention, the temperature of the motor is detected by the detection unit, the temperature information is sent to the control unit, and when the temperature of the motor exceeds the threshold value, the notification unit controls the power supply of the motor to stop supplying power to the motor, so that the motor can not continue to operate, the temperature of the motor is ensured not to be too high, and the motor is prevented from being burnt.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (7)
1. A motor brake control circuit, comprising:
a detection unit for detecting temperature information of the motor and transmitting the temperature information to the control unit,
the control unit is used for receiving the temperature information and informing the switch of the motor power supply according to the temperature information;
the motor power supply is used for supplying power to the motor under the control of the control unit;
the motor is used for running under the condition of power supply of the motor power supply.
2. The motor brake control circuit of claim 1, further comprising:
and the motor power supply detection unit is used for detecting power supply information of the motor power supply and sending the power supply information to the control unit.
3. The motor brake control circuit according to claim 1, wherein the motor power supply detection unit includes:
a thermistor mounted on the motor.
4. The motor brake control circuit of claim 3, wherein the detection circuit further comprises:
the detection device comprises a thermistor, a first end of the thermistor is grounded, a second end of the thermistor is connected with the first end of the second resistor, the second end of the second resistor is connected with the input end of the detection unit, the first end of the third resistor is connected with a motor power supply, the second end of the third resistor is connected with the first end of the second resistor, the first end of the fourth resistor is connected with the second end of the third resistor, and the second end of the fourth resistor is grounded.
5. The motor brake control circuit of claim 2, wherein the motor unit detection unit comprises:
the input end of the optical coupler is connected to the input end of the motor power supply, one output end of the optical coupler is grounded, and the other output end of the optical coupler is connected with the switch control end of the control unit.
6. The motor brake control circuit of claim 1, further comprising:
the switch circuit comprises a capacitor, a first diode, a second diode, a switch tube, a first resistor and an excitation coil; the controlled end of switch tube with the control end of control unit is connected, the output of switch tube with the first end of first resistance is connected, the second end ground connection of first resistance, the input of switch tube with the positive pole of first diode is connected, the negative pole of first diode with the negative pole of second diode is connected, the positive pole of second diode is connected with the power, excitation coil connect in parallel in the both ends of first diode, the first end of electric capacity with the positive pole of second diode is connected, the second end ground connection of electric capacity.
7. The motor brake control circuit of claim 4, wherein the thermistor is an NTC thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048763.5A CN112087164A (en) | 2020-09-29 | 2020-09-29 | Motor braking control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048763.5A CN112087164A (en) | 2020-09-29 | 2020-09-29 | Motor braking control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112087164A true CN112087164A (en) | 2020-12-15 |
Family
ID=73730652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011048763.5A Pending CN112087164A (en) | 2020-09-29 | 2020-09-29 | Motor braking control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112087164A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
| CN207720049U (en) * | 2017-12-13 | 2018-08-10 | 厦门市逢兴机电设备有限公司 | Motor automatic braking circuit |
| CN111133673A (en) * | 2017-09-29 | 2020-05-08 | 三菱电机株式会社 | Household appliance |
-
2020
- 2020-09-29 CN CN202011048763.5A patent/CN112087164A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
| CN111133673A (en) * | 2017-09-29 | 2020-05-08 | 三菱电机株式会社 | Household appliance |
| CN207720049U (en) * | 2017-12-13 | 2018-08-10 | 厦门市逢兴机电设备有限公司 | Motor automatic braking circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200913786A (en) | LED outage detection circuit | |
| US8598820B2 (en) | Surge current protection circuit and motor using the same | |
| CN112087164A (en) | Motor braking control circuit | |
| CN101335460A (en) | Battery cutoff voltage setting system and setting method thereof | |
| CN207720049U (en) | Motor automatic braking circuit | |
| CN204008929U (en) | A kind of solenoid trouble-shooter | |
| CN109900379A (en) | Temperature observation circuit and device | |
| CN112701993A (en) | Motor overload detection circuit, motor control circuit and motor | |
| CN202048996U (en) | Temperature monitoring circuit and led lamp | |
| CN209029912U (en) | A kind of control circuit | |
| CN209327549U (en) | Three phase supply servo detection of power loss improves circuit | |
| CN110504655B (en) | Load control output circuit with output short-circuit protection and control method thereof | |
| CN216390495U (en) | Electronic switch for fast control of high-voltage high-power circuit | |
| CN108760062A (en) | A kind of temperature sensor | |
| US10566832B2 (en) | Device for operating a charging unit, charging system | |
| WO2020175932A1 (en) | Electronic device for adaptively controlling electric light | |
| CN205563312U (en) | Take fan control circuit's servo driver | |
| CN218920051U (en) | Direct current power supply redundancy system | |
| CN215865543U (en) | Electric blanket temperature detection circuit | |
| CN218240301U (en) | Garden tool control circuit and garden tool | |
| CN210446905U (en) | Dust collector main board | |
| CN104251947A (en) | Electromagnetic coil fault diagnosis device | |
| CN219474811U (en) | Power device temperature detection circuit and controller thereof | |
| CN209786882U (en) | wireless power receiver with over-temperature protection function | |
| CN208890356U (en) | A kind of battery protecting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201215 |
|
| RJ01 | Rejection of invention patent application after publication |