CN201966856U - Controller for brushless direct current motor - Google Patents
Controller for brushless direct current motor Download PDFInfo
- Publication number
- CN201966856U CN201966856U CN2011201040686U CN201120104068U CN201966856U CN 201966856 U CN201966856 U CN 201966856U CN 2011201040686 U CN2011201040686 U CN 2011201040686U CN 201120104068 U CN201120104068 U CN 201120104068U CN 201966856 U CN201966856 U CN 201966856U
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- CN
- China
- Prior art keywords
- circuit
- motor
- controller
- direct current
- brushless direct
- 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.)
- Expired - Fee Related
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a controller for a brushless direct current motor, which comprises a voltage-stabilizing circuit, an operation integrated circuit (IC) and a driving circuit and also comprises an oscillating circuit, a speed measurement IC and a motor current detection circuit, wherein the voltage-stabilizing circuit and the driving circuit are connected with an external power supply; the operation IC is simultaneously and respectively connected with the voltage-stabilizing circuit, the driving circuit, the oscillating circuit and the speed measurement IC; the motor current detection circuit is also connected between the operation IC and the driving circuit; and the driving circuit is connected with the motor. After the structural improvement is carried out, the powerful integrated functions of the ICs are utilized to make a controller circuit simplified, and thereby, a great number of components are saved and the manufacturing cost is reduced.
Description
Technical field:
The utility model relates to a kind of brushless direct current motor controller.
Background technology:
Driving the brshless DC motor rotation all is to be finished by the controller of special use, existing brushless direct current motor controller is mainly finished by single-chip microcomputer and drive circuit, in order to finish desired instruction, the various components and parts such as resistance, electric capacity, transistor that comprise also to be set on circuit could constitute complete brushless direct current motor controller, this just causes controller circuitry very complicated, components and parts are many, and cost is very expensive.
Summary of the invention:
The purpose of this utility model is in order to overcome the shortcoming of above-mentioned prior art, the brushless direct current motor controller that a kind of circuit structure is simple, components and parts are few, with low cost to be provided.
For achieving the above object, the technical scheme that the utility model provides is: brushless direct current motor controller, include voltage stabilizing circuit, computing IC and drive circuit, also include oscillating circuit, the IC that tests the speed, motor current detecting circuit, voltage stabilizing circuit is connected with external power source with drive circuit, computing IC is connected with voltage stabilizing circuit, drive circuit, oscillating circuit and the IC that tests the speed respectively simultaneously, also is connected with motor current detecting circuit between computing IC and the drive circuit, and drive circuit is connected with motor.
After said structure improves, utilize the huge integrated functionality of IC, controller circuitry is oversimplified, save a large amount of components and parts, reduce manufacturing cost.
Description of drawings:
Fig. 1 is the structure principle chart of the utility model brushless direct current motor controller.
Embodiment:
Now elaborate the utility model in conjunction with the accompanying drawings:
The brushless direct current motor controller of present embodiment, include voltage stabilizing circuit 1, computing IC 2 and drive circuit 3, also include oscillating circuit 4, the IC 5 that tests the speed, motor current detecting circuit 6, voltage stabilizing circuit 1 is connected with external power source with drive circuit 3, provide electric power by external power source, computing IC 2 is connected with voltage stabilizing circuit 1, drive circuit 3, oscillating circuit 4 and the IC 5 that tests the speed respectively simultaneously, also be connected with motor current detecting circuit 6 between computing IC 2 and the drive circuit 3, drive circuit 3 is connected with motor 7.
The IC 5 that tests the speed is responsible for detecting the rotating speed of motor 7, and when rotating speed was not enough, computing IC 2 sent instruction, and the electric current of command driven circuit 3 expanded motors 7 improves motor 7 rotating speeds, and when too high as if motor 7 rotating speeds, instruction driving circuit 3 reduces the rotating speed of motors 7.
Motor current detecting circuit 6 is effects of playing monitoring motor 7 electric currents; during startup; motor 7 electric currents are zero; at this moment current of electric detects electric current 6 and can feed back signal to computing IC 2; computing IC 2 sends instruction and gives drive circuit 3, and drive motors 7 runnings are when exceeding set point as if motor 7 electric currents; computing IC 2 instruction driving circuits 3 reduce motor 7 electric currents, play the effect of protection motor 7 with this.
The above-mentioned description of this brushless direct current motor controller being carried out with reference to embodiment is illustrative rather than determinate, therefore in the variation and the modification that do not break away under the utility model general plotting, should belong within the protection range of the present utility model.
Claims (1)
1. brushless direct current motor controller, include voltage stabilizing circuit (1), computing IC (2) and drive circuit (3), it is characterized in that: also include oscillating circuit (4), the IC that tests the speed (5), motor current detecting circuit (6), voltage stabilizing circuit (1) is connected with external power source with drive circuit (3), computing IC (2) is connected with voltage stabilizing circuit (1), drive circuit (2), oscillating circuit (4) and the IC that tests the speed (5) respectively simultaneously, also be connected with motor current detecting circuit (6) between computing IC (2) and the drive circuit (3), drive circuit (3) is connected with motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201040686U CN201966856U (en) | 2011-04-11 | 2011-04-11 | Controller for brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201040686U CN201966856U (en) | 2011-04-11 | 2011-04-11 | Controller for brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966856U true CN201966856U (en) | 2011-09-07 |
Family
ID=44529408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201040686U Expired - Fee Related CN201966856U (en) | 2011-04-11 | 2011-04-11 | Controller for brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966856U (en) |
-
2011
- 2011-04-11 CN CN2011201040686U patent/CN201966856U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG RUIZHOU TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FOSHAN NANHAI RUIZHOU TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528251 Guangdong Province Nanhai District of Foshan City, Guicheng Road East Guicheng District salt B6 Technology Electronic City District a comprehensive building two district Patentee after: Guangdong Ruizhou Technology Co., Ltd. Address before: 528251 Guangdong Province Nanhai District of Foshan City, Guicheng Road East Guicheng District salt B6 Technology Electronic City District a comprehensive building two district Patentee before: Foshan Nanhai Ruizhou Technology Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Controller of brushless direct-current motor Effective date of registration: 20130603 Granted publication date: 20110907 Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd Pledgor: Guangdong Ruizhou Technology Co., Ltd. Registration number: 2013990000337 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150126 Granted publication date: 20110907 Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd Pledgor: Guangdong Ruizhou Technology Co., Ltd. Registration number: 2013990000337 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20160411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |