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Insulation device for subway electric actuator

An electric actuator and heat insulation device technology, applied in the field of fire and heat insulation devices, can solve the problems of inconvenient cooling and ventilation conditions, being easily affected by geothermal heat, not having high temperature resistance, etc., achieving no vibration, improving heat insulation effect, and making Fast heat effect

Active Publication Date: 2022-05-06
重庆广达自动化设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The subway tunnel has gradually become an inevitable part of our life, and the electric actuator is an indispensable thing in the subway tunnel, because the subway tunnel is underground and is easily affected by geothermal heat. At the same time, the cooling and ventilation conditions It is inconvenient, and most of the electric actuators on the market do not have the function of high temperature resistance. In order to solve this problem, some existing equipment insulates the electric actuators by setting a heat insulation box outside them. , but many of these types of equipment have limited heat insulation capabilities, and most of them cannot meet the needs of on-site use

Method used

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  • Insulation device for subway electric actuator
  • Insulation device for subway electric actuator
  • Insulation device for subway electric actuator

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Embodiment Construction

[0027] Such as Figure 1~3 As shown, the heat insulation device for subway electric actuators of the present invention includes a box body 1 and a heat dissipation assembly 2 arranged on the top of the box body 1. The box body 1 has a hexahedral structure, and its front side is open, and the opening can be provided with a switch door for easy access. Release the executive body. The heat dissipation assembly 2 includes a semiconductor cooling chip 21, a cooling blade 22, a cooling blade 23, a power supply 24, a sealed rotating bearing 25, a central shaft 26 and a driving device 27. The semiconductor cooling chip 21 adopts the prior art and has a relative cooling surface and Heating surface.

[0028] Specifically, the top of the box body 1 is provided with a through hole for installing the sealed rotating bearing 25, and the sealed rotating bearing 25 is preferably a sliding bearing, and is fixed in the through hole. The semiconductor cooling chip 21 is circular, and the outer...

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Abstract

The invention discloses a heat insulation device for a subway electric actuator, belonging to the technical field of fireproof heat insulation devices, comprising a box body and a heat dissipation component arranged on the top of the box body. , a power supply, a sealed rotating bearing, a central shaft and a driving device, the central shaft is fixed at the center of the semiconductor refrigeration chip and is connected to the driving device, and the driving device drives the semiconductor refrigeration chip to rotate, passing through the cooling blades inside the box. The inner side of the box is cooled down, and the heating surface of the semiconductor refrigeration sheet is radiated through the cooling fins. The device of the invention can better insulate the electric actuator of the subway and avoid the damage to the machine caused by the overheating of the electric actuator.

Description

technical field [0001] The invention belongs to the technical field of fire prevention and heat insulation devices, and in particular relates to a heat insulation device for a subway electric actuator. Background technique [0002] The subway tunnel has gradually become an inevitable part of our life, and the electric actuator is an indispensable thing in the subway tunnel, because the subway tunnel is underground and is easily affected by geothermal heat. At the same time, the cooling and ventilation conditions It is inconvenient, and most of the electric actuators on the market do not have the function of high temperature resistance. In order to solve this problem, some existing equipment insulates the electric actuators by setting a heat insulation box outside them. , but many of these types of equipment have limited thermal insulation capabilities, and most of them cannot meet the needs of on-site use. Contents of the invention [0003] In view of this, the object of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B21/02
CPCF25B21/02F25B2321/0251
Inventor 李响李广华冯阳夷
Owner 重庆广达自动化设备有限公司
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