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Brake circuit of motor and AGV control system

A brake circuit and drive circuit technology, which is applied in battery circuit devices, electric vehicles, circuit devices, etc., can solve the problems of high hardware cost, software runaway, large volume of brake control structure, etc., to save costs and reduce volume Effect

Pending Publication Date: 2022-06-07
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are certain risks in the solution of software control to drive the power wheel motor, such as software runaway, failure to realize electric brake when the machine crashes, etc.
Therefore, most companies currently on the market adopt a mechanical brake (electromagnetic brake) solution, but this solution has the characteristics of power-on release and power-off lock, and needs to be powered on all the time, resulting in more battery energy consumption and high torque. When the load locks, the brake control structure has a large volume and high hardware cost

Method used

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  • Brake circuit of motor and AGV control system
  • Brake circuit of motor and AGV control system
  • Brake circuit of motor and AGV control system

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Embodiment Construction

[0013] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is particularly pointed out that the following examples are only used to illustrate the present application, but do not limit the scope of the present application. Similarly, the following embodiments are only some of the embodiments of the present application, but not all of the embodiments, and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0014] like figure 1 As shown, in the existing braking circuit, the external control signal is used to control the pull-in of the relay RY1 to realize the short circuit of the three-phase windings of the motor 1, and the large current torque generated by the motor 1 itself is used to realize the braking function. The disadvantage of this solution is: when the required braking current is large (gene...

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Abstract

The invention discloses a brake circuit of a motor and an AGV control system. The brake circuit comprises a pre-driving circuit used for receiving a first control signal and processing the first control signal to obtain a driving signal; the energy storage circuit is used for receiving the second control signal and generating a band-type brake signal based on the second control signal; and the driving circuit is respectively coupled with the pre-driving circuit, the energy storage circuit and the motor and is used for providing a driving signal or a band-type brake signal to the motor. In this way, the size of the braking circuit can be reduced, and cost is saved.

Description

technical field [0001] The present application relates to the technical field of electronic braking, and in particular, to a braking circuit of a motor and an AGV control system. Background technique [0002] In recent years, the use of intelligent guided vehicles (AGVs) has become more and more popular. For safety reasons, Europe and the United States and most countries require the power wheel to have a holding brake function. However, there are certain risks in the solution of software-controlled driving of the power wheel motor, such as the software running away and the failure to successfully implement the electric brake when the machine crashes. Therefore, at present, most companies on the market use the mechanical brake (electromagnetic brake) solution, but this solution has the characteristics of power-on release and power-off lock, and it needs to be powered on all the time, resulting in more battery energy consumption and high torque. When the brake is loaded, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P3/06H02J7/34
CPCH02P3/06H02J7/34Y02T10/72
Inventor 王洪林
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD