Recoil voltage protection device and method and multi-path servo motor drive control power supply system

A technology of recoil voltage and protection device, applied in the field of intelligent robots, can solve problems such as servo motor damage

Pending Publication Date: 2020-11-10
昀智科技(北京)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a recoil voltage protection device, method and multi-channel servo motor drive control power supply system to overcome the drive control system and servo motor on the bus caused by the recoil voltage entering the power bus in the prior art. motor damage defects

Method used

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  • Recoil voltage protection device and method and multi-path servo motor drive control power supply system
  • Recoil voltage protection device and method and multi-path servo motor drive control power supply system
  • Recoil voltage protection device and method and multi-path servo motor drive control power supply system

Examples

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Effect test

Embodiment 1

[0039] A kickback voltage protection device of this embodiment is as figure 1 As shown, the device includes a DC bus detector 11, a protection circuit switch 12 and a protection circuit load 13; the DC bus detector 11 is respectively connected to the DC bus 14 and the protection circuit switch 12 for detecting the DC The kickback voltage on the bus 14, and control the conduction and disconnection of the protective circuit switch 12 according to the detected kickback voltage; the protective circuit switch 12 is connected with the DC bus 14 and the protective circuit load 13 respectively, It is used to transfer the kickback voltage on the DC bus 14 to the protection circuit load 13 when it is turned on; the protection circuit load 13 is used to release the kickback voltage transmitted from the protection circuit switch 12 .

[0040] In this embodiment, the DC bus detector 11 includes a voltage detection unit and a voltage comparison unit; the voltage detection unit is used to de...

Embodiment 2

[0046] A multi-channel servo motor drive control power supply system in this embodiment is as follows: figure 2As shown, the system includes an AC power supply 21, a rectifier transformer 22, an emergency control relay 23, a DC bus 24 and a kickback voltage protection device 25; wherein, the input terminal of the rectifier transformer 22 is connected to the AC power supply 21, and the output terminal The input terminal of the emergency control relay 23 is connected, and the DC bus 24 is respectively connected with the output terminal of the emergency control relay 23 and the kickback voltage protection device 25 .

[0047] The rectifier transformer 22 is used to convert the AC power into a DC power supply, and the DC power supply is delivered to the DC bus 24 through the emergency control relay 23; the emergency control relay 23 is used to control the rectifier transformer The output end of 22 is connected and disconnected from the DC bus 24; the kickback voltage protection d...

Embodiment 3

[0051] This embodiment provides a multi-channel servo motor drive control power supply system, which is similar to the multi-channel servo motor drive control power supply system in embodiment 2. The difference from embodiment 2 is that this embodiment removes the emergency control relay and the rectifier transformer The input terminal is connected to the AC power supply, and the output terminal is directly connected to the DC bus.

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Abstract

The invention discloses a recoil voltage protection device. The recoil voltage protection device comprises a DC bus detector, a protection loop switch and a protection loop load; the DC bus detector is respectively connected with the DC bus and the protection loop switch and is used for detecting the recoil voltage on the DC bus in real time and controlling the connection and disconnection of theprotection loop switch according to the detected recoil voltage; the protection loop switch is respectively connected with the DC bus and the protection loop load and is used for transmitting the recoil voltage on the DC bus to the protection loop load when the protection loop switch is switched on; and the protection loop load is used for releasing the recoil voltage transmitted from the protection loop switch. The invention further discloses a multi-channel servo motor drive control power supply system and a recoil voltage protection method. According to the invention, the voltage of the DCbus can be monitored in real time, the recoil voltage generated during braking and reversing of the servo motor is isolated and released through the recoil voltage protection loop, and a drive controlsystem and other electric parts on the DC bus can be protected.

Description

technical field [0001] The invention relates to the technical field of intelligent robots, in particular to a recoil voltage protection device, a recoil voltage protection method and a multi-channel servo motor drive control power supply system with a recoil voltage protection function. Background technique [0002] At present, intelligent robots, as the core equipment of intelligent automatic production lines, are widely used in various industrial production lines, replacing manual labor to achieve long-term uninterrupted continuous work, so as to replace manual labor and fully realize the fully automated intelligent production line. Need to promote the automation process of various industries and manufacturing industries. Among them, the servo motor and the related drive control system, which are the core components of the intelligent robot, require its power supply system to provide a stable power consumption environment for a long time in order to meet the requirements o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/085H02P29/032
CPCH02H7/0854H02P29/032
Inventor 何瑞刘丹郭梅张延吕兵韩浚源
Owner 昀智科技(北京)有限责任公司
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