Subway fan control cabinet and control system

A fan control cabinet and control system technology, applied in control systems, AC motor control, pump control, etc., can solve the problems of large subway fans, damage to fans or power grids, and difficulty in quickly stopping rotation, so as to reduce impact and avoid weak Magnetic and magnetic saturation phenomena, the effect of protecting wind turbine motors and grid equipment

Active Publication Date: 2020-07-10
浙江万可电气设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above existing technical solutions have the following defects: when the control cabinet controls the subway fan to stop rotating, it is difficult to stop the rotation quickly due to the large volume and strong inertia of the subway fan. At present, the fan is reversely driven to stop the fan quickly. The method will cause damage to the wind turbine or the grid

Method used

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  • Subway fan control cabinet and control system
  • Subway fan control cabinet and control system
  • Subway fan control cabinet and control system

Examples

Experimental program
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Effect test

Embodiment

[0044] Embodiment: a kind of subway fan control cabinet and control system, such as figure 1 with figure 2 As shown, it includes a fan motor 1, a cabinet body 2, a control button box arranged beside the fan motor 1, a computer platform 4 arranged in a subway car control room, and a control center 5 arranged in a central control room. A control circuit 21 is arranged inside the cabinet body 2 . The control circuit 21 includes a power module 216 , a monitoring module, a control module 211 , a starting module 213 , a braking module 214 , an environmental control module 215 , a power module 216 and a display module.

[0045] Such as figure 2 with image 3 As shown, the power module 216 is externally connected to the power grid, and the power module 216 includes a voltage and current measuring device 2161 connected in series with the power grid, a filter capacitor 2162 connected in parallel to the power grid side, a power supply side reactance 2163 connected in series to one s...

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PUM

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Abstract

The invention discloses a subway fan control cabinet and a control system. The invention belongs to the technical field of large-scale control cabinets. The cabinet comprises a fan motor and a cabinetbody, a control circuit is arranged in the cabinet body; the control circuit comprises a power supply module connected with a power grid and used for supplying power, a monitoring module used for detecting a power supply and a fan motor, a control module used for inputting a control instruction, a starting module used for starting the fan motor and a braking module used for controlling the fan motor to stop rotating. The cabinet and the system have the effect of quickly stopping the fan on the premise of not damaging the fan and the power grid.

Description

technical field [0001] The invention relates to the technical field of large control cabinets, in particular to a subway fan control cabinet and a control system. Background technique [0002] At present, the control cabinet is assembled with switchgear, measuring instrument, protective device and auxiliary equipment in a closed or semi-closed metal cabinet or on the screen width according to the requirements of electrical wiring. Safety of personal and surrounding equipment. During normal operation, the circuit can be connected or disconnected by means of a manual or automatic switch. The fans in the subway are all large fans. When controlling the fans in the subway, the user will choose a large control cabinet for the channel. [0003] For the prior art, reference can be made to the Chinese invention patent whose application publication number is CN2755861, which discloses a complete set of frequency conversion speed regulation reversible dual-system subway fan control c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D27/00H02P27/04H02P3/24H05K7/20
CPCF04D27/008H02P27/04H05K7/20136
Inventor 王德秋邵建强吕国梅
Owner 浙江万可电气设备有限公司
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