CN110323976B - Motor speed regulation system controlled by power supply change - Google Patents
Motor speed regulation system controlled by power supply change Download PDFInfo
- Publication number
- CN110323976B CN110323976B CN201910718211.1A CN201910718211A CN110323976B CN 110323976 B CN110323976 B CN 110323976B CN 201910718211 A CN201910718211 A CN 201910718211A CN 110323976 B CN110323976 B CN 110323976B
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- Prior art keywords
- power supply
- motor
- driving circuit
- change
- motor driving
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000000969 carrier Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Toys (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a motor speed regulating system controlled by power supply change, which comprises a power switch or voltage regulating equipment, a power supply identification circuit, a motor driving circuit and a motor; the motor speed regulating system controlled by the power supply change can accurately control the motor driving circuit according to the power supply change, the motor speed regulating system utilizes the increasing or decreasing trend to control the motor speed, and the power supply identification circuit identifies the change of the power supply as an object and identifies carriers such as infrared rays, radio, sound and magnetic signals which are not needed.
Description
Technical Field
The invention relates to the technical field of motor control, in particular to a motor speed regulating system controlled by power supply change.
Background
The motor is also called a motor, which is a rotating electric machine that outputs or inputs electric energy, and is a motor that can achieve mutual conversion of electric energy and mechanical energy. The direct current motor has wide application, superior speed regulation performance and easy smooth speed regulation, and the direct current motor which cannot be replaced by the alternating current motor has strong overload capacity and large thermal action and braking torque, so the direct current motor is often used in electronic equipment such as household appliances, toy vehicles, computer radiators and the like, and the direct current motor needs to be provided with a controller to meet the demands of people.
In the prior art, the motor is controlled by detecting the rotating speed and then feeding back and adjusting the state of the motor, and the detecting mode needs an additional carrier and has low detecting precision.
Disclosure of Invention
The present invention is directed to a motor speed regulation system controlled by power variation, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A motor speed regulation system controlled by power supply change comprises a power switch or voltage regulation equipment, a power supply identification circuit, a motor driving circuit and a motor; the input end of the power switch or the voltage regulating equipment is connected with a power supply, the output end of the power switch or the voltage regulating equipment is respectively connected with a power supply identification circuit and a motor driving circuit, the power supply identification circuit is also connected with the motor driving circuit, the motor driving circuit is also connected with a motor, the power supply identification circuit identifies that the state of the power supply is normal power supply, the power supply is in a switching action or the power supply waveform is changed when the voltage regulating equipment exists, a control signal is generated after identification, the motor driving circuit is controlled through a signal interface, and when the power supply is stable, the motor driving circuit controls the motor at a fixed rotating speed; when the power supply has a switching signal or the power supply waveform changes, the power supply identification circuit generates a control signal to the motor driving circuit, and the motor driving circuit controls the motor rotation speed through an increasing or decreasing trend.
As a further technical scheme of the invention: the power supply identification circuit comprises a power supply waveform identification module and a power supply on-off identification module.
As a further technical scheme of the invention: the motor driving circuit comprises a signal interface and a power supply system.
As a further technical scheme of the invention: the power supply system is connected with a power switch or voltage regulating equipment.
As a further technical scheme of the invention: the signal interface is connected with the power supply identification circuit.
As a further technical scheme of the invention: the power supply identification circuit only takes the change of the power supply as an object to identify, and does not need a carrier for identification.
As a further technical scheme of the invention: when the voltage regulating equipment adopts the silicon controlled rectifier to regulate the voltage, the change of the power waveform of the voltage regulating equipment is the change of the conduction angle of the silicon controlled rectifier, and when the voltage regulating equipment adopts the MOS tube of the H bridge to regulate the voltage, the change of the power waveform of the voltage regulating equipment is the voltage waveform of the H bridge.
Compared with the prior art, the invention has the beneficial effects that: the motor speed regulating system controlled by the power supply change can accurately control the motor driving circuit according to the change of the power supply, the increasing or decreasing trend is utilized to control the rotating speed of the motor, and the power supply identification circuit identifies the change of the power supply as an object and identifies carriers such as infrared rays, radio, sound, magnetic signals and the like.
Drawings
Fig. 1 is an overall schematic of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1, a motor speed regulation system controlled by power supply variation includes a power switch or voltage regulation device, a power supply identification circuit, a motor driving circuit and a motor; the input end of the power switch or the voltage regulating equipment is connected with a power supply, the output end of the power switch or the voltage regulating equipment is respectively connected with a power supply identification circuit and a motor driving circuit, the power supply identification circuit is also connected with the motor driving circuit, the motor driving circuit is also connected with a motor, the power supply identification circuit identifies that the state of the power supply is normal power supply, the power supply is in a switching action or the power supply waveform is changed when the voltage regulating equipment exists, a control signal is generated after identification, the motor driving circuit is controlled through a signal interface, and when the power supply is stable, the motor driving circuit controls the motor at a fixed rotating speed; when the power supply has a switching signal or the power supply waveform changes, the power supply identification circuit generates a control signal to the motor driving circuit, and the motor driving circuit controls the motor rotation speed through an increasing or decreasing trend. The power supply identification circuit identifies only the change of the power supply as an object, and does not need carriers such as infrared rays, radio, sound, magnetic signals and the like.
The power switch or the voltage regulating device, the power identification circuit, the motor driving circuit and the motor adopted in the design are all universal functional modules, can adopt the structure commonly used in industry, and the connection mode of the power switch or the voltage regulating device, the power identification circuit, the motor driving circuit and the motor is common knowledge, so that the power switch or the voltage regulating device is not repeated.
Example 2: on the basis of embodiment 1, when the voltage regulating device of the design adopts the silicon controlled rectifier to regulate voltage, the change of the power waveform of the voltage regulating device is the change of the conduction angle of the silicon controlled rectifier.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A motor speed regulation system controlled by power supply change comprises a power switch or voltage regulation equipment, a power supply identification circuit, a motor driving circuit and a motor; the power supply is characterized in that the input end of the power supply switch or the voltage regulating equipment is connected with a power supply, the output end of the power supply switch or the voltage regulating equipment is respectively connected with a power supply identification circuit and a motor driving circuit, the power supply identification circuit is also connected with the motor driving circuit, the motor driving circuit is also connected with a motor, the power supply identification circuit identifies the state of the power supply as normal power supply, the switching action or the change of power supply waveform when the voltage regulating equipment exists, a control signal is generated after identification, the motor driving circuit is controlled through a signal interface, and when the power supply is stable, the motor driving circuit controls the motor at a fixed rotating speed; when the power supply has a switching signal or the power supply waveform changes, the power supply changes in a defined time, the power supply identification circuit can generate a control signal to the motor driving circuit, and the motor driving circuit controls the motor rotating speed through an increasing or decreasing trend;
When the voltage regulating equipment adopts the silicon controlled rectifier to regulate voltage, the change of the power waveform of the voltage regulating equipment is the change of the conduction angle of the silicon controlled rectifier, and when the voltage regulating equipment adopts the MOS tube of the H bridge to regulate voltage, the change of the power waveform of the voltage regulating equipment is the voltage waveform of the H bridge.
2. The motor speed regulation system controlled by power supply variation according to claim 1, wherein the power supply identification circuit comprises a power supply waveform identification module and a power supply on-off identification module.
3. The motor speed regulation system controlled by a power supply variation of claim 1, wherein the motor drive circuit comprises a signal interface and a power supply system.
4. A motor speed regulation system controlled by a power supply variation according to claim 3, wherein the power supply system is connected to a power switch or a voltage regulating device.
5. A motor speed regulation system controlled by a power supply variation as claimed in claim 3, wherein the signal interface is connected to a power supply identification circuit.
6. The motor speed regulation system according to claim 1, wherein the power supply identification circuit identifies only the change of the power supply as an object, and identifies that no carrier is required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718211.1A CN110323976B (en) | 2019-08-05 | 2019-08-05 | Motor speed regulation system controlled by power supply change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718211.1A CN110323976B (en) | 2019-08-05 | 2019-08-05 | Motor speed regulation system controlled by power supply change |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110323976A CN110323976A (en) | 2019-10-11 |
| CN110323976B true CN110323976B (en) | 2024-04-26 |
Family
ID=68125457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910718211.1A Active CN110323976B (en) | 2019-08-05 | 2019-08-05 | Motor speed regulation system controlled by power supply change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110323976B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960039920A (en) * | 1995-04-28 | 1996-11-25 | 배순훈 | Soft starting circuit of monitor |
| CN2454988Y (en) * | 2000-11-06 | 2001-10-17 | 建准电机工业股份有限公司 | Reference voltage rotational-speed-controlling fan motor |
| CN101262197A (en) * | 2007-03-06 | 2008-09-10 | 罗姆股份有限公司 | Motor drive device and electric apparatus using the same |
| CN101663810A (en) * | 2007-04-17 | 2010-03-03 | 卢特龙电子公司 | Method of controlling a motorized window treatment |
| CN106664045A (en) * | 2014-06-30 | 2017-05-10 | 三菱电机株式会社 | Power conversion device |
| TW201830844A (en) * | 2017-02-14 | 2018-08-16 | 楊家寧 | Control method and control device using HE same for DC fan |
| CN209982373U (en) * | 2019-08-05 | 2020-01-21 | 中山市特新电子科技有限公司 | Motor speed regulating system controlled by power supply change |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7868571B2 (en) * | 2008-01-30 | 2011-01-11 | Delta Electronics, Inc. | Motor system with reduced common-mode noise |
-
2019
- 2019-08-05 CN CN201910718211.1A patent/CN110323976B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960039920A (en) * | 1995-04-28 | 1996-11-25 | 배순훈 | Soft starting circuit of monitor |
| CN2454988Y (en) * | 2000-11-06 | 2001-10-17 | 建准电机工业股份有限公司 | Reference voltage rotational-speed-controlling fan motor |
| CN101262197A (en) * | 2007-03-06 | 2008-09-10 | 罗姆股份有限公司 | Motor drive device and electric apparatus using the same |
| CN101663810A (en) * | 2007-04-17 | 2010-03-03 | 卢特龙电子公司 | Method of controlling a motorized window treatment |
| CN106664045A (en) * | 2014-06-30 | 2017-05-10 | 三菱电机株式会社 | Power conversion device |
| TW201830844A (en) * | 2017-02-14 | 2018-08-16 | 楊家寧 | Control method and control device using HE same for DC fan |
| CN209982373U (en) * | 2019-08-05 | 2020-01-21 | 中山市特新电子科技有限公司 | Motor speed regulating system controlled by power supply change |
Non-Patent Citations (1)
| Title |
|---|
| 开关电源数字控制技术进展;李建仁;;微电子学;20160820(第04期);第562-566，580页 * |
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| Publication number | Publication date |
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| CN110323976A (en) | 2019-10-11 |
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