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A DC motor controller controlled by a single-chip microcomputer and its control method

A technology of DC motors and single-chip microcomputers, which is applied in excitation or armature current control, electrical components, emergency protection circuit devices, etc. Unreasonable and other problems to achieve the effect of avoiding electromagnetic signal interference, advanced signal control methods and low cost

Active Publication Date: 2018-04-17
BEIJING INST OF SPACE LAUNCH TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a DC motor controller to solve the technical problems of the existing DC motors such as high cost, unstable supply, inappropriate signal processing methods, and unreasonable line connection methods
[0004] Another object of the present invention is to provide a control method for a DC motor controller, which solves the technical problem that the controller in the prior art cannot form an effective working condition signal and make control feedback in time

Method used

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  • A DC motor controller controlled by a single-chip microcomputer and its control method
  • A DC motor controller controlled by a single-chip microcomputer and its control method
  • A DC motor controller controlled by a single-chip microcomputer and its control method

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Embodiment Construction

[0035] An embodiment of the DC motor controller of the present invention includes a STC15F2K60S2 single-chip microcomputer 10, which is used to receive and process the temperature, speed, and current signals of the DC motor, and generate a control signal, which is transmitted to the power supply control device of the DC motor, so as to realize the power supply control of the DC motor. Control of pivot 32 and field 33.

[0036] like figure 1 , Figure 4 As shown, a single-chip microcomputer-controlled DC motor controller of the present invention includes a speed detection circuit 20, which collects the speed signal of the armature 32 through the speed sensor 21, and transmits the speed signal to the single-chip microcomputer 10 after rotating the mold. The speed sensor 21 is installed on the motor, the SPD_OUT of the speed sensor 21 is connected to the SPD_IN of the speed circuit 20 , and the SPD_MOTR of the speed circuit 20 is connected to the input pin P2.7 of the single chi...

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Abstract

The invention relates to a DC motor controller controlled by a single-chip microcomputer, which relates to a vehicle control device, in particular to a control device and a control method for the armature and excitation of a separately excited DC motor for an electric vehicle. Its purpose is to provide a single-chip microcomputer with sufficient supply, low cost, and more advanced signal control methods. Because it separates various control circuits from sensors, it ensures that the control circuits can convert the signals of the sensors without interference. , Separate various sensors at the same time and change the compound sensor into a single sensor, effectively avoid the advantages of electromagnetic signal interference, and effectively solve many problems of other chip control devices.

Description

technical field [0001] The invention relates to an automobile control device and a control method thereof, in particular to a control device and a control method for the armature and excitation of a separately excited DC motor for an electric vehicle. Background technique [0002] With the popularization of new energy vehicles, more and more small vehicles (golf carts, sightseeing cars, patrol cars, etc.) It occupies a large share in the small electric drive market. At present, the main control chip of most separately excited DC motor controllers adopts microcontrollers from foreign manufacturers, which have high cost, unstable supply, inappropriate signal processing methods, and cannot output corresponding fault codes or fault judgment information externally. Unreasonable and prone to electromagnetic signal interference. In addition, in the control mode of the controllers of many other manufacturers, as long as a fault occurs, it will be shut down immediately (flame out p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P7/18H02H7/08
Inventor 谭文华胡小龙张春雷骆志伟
Owner BEIJING INST OF SPACE LAUNCH TECH