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VACON frequency converter relay card based on crane application

A frequency converter and relay technology, applied in the field of VACON frequency converter relay card, can solve the problems of complex control circuit, and achieve the effect of strong anti-interference ability, compact integrated structure and good versatility

Inactive Publication Date: 2018-06-01
上海欧控电气技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In view of the fact that most of the domestic crane control circuits follow the European standard AC48V relay control circuit, the control circuit is complex, and most of the inverters and PLC control circuits currently used are powered by DC 24V, so it is necessary to increase the power conversion link to achieve control. fully docked

Method used

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  • VACON frequency converter relay card based on crane application
  • VACON frequency converter relay card based on crane application

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Embodiment Construction

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0012] see Figure 1~2 , the purpose of the present invention is achieved through the following technical solutions: a VACON variable frequency relay card suitable for the crane industry, the main function of which is to convert 3-way AC 48V relay input into 3-way DC 24V relay output, including 3-way AC 48V input terminals, 3 DC 24V output terminals, 3 DB107S rectifier bridges, 3 47uf capacitors, 6 6.8 K resistors, 6 2.7 K resistors, 3 G5V-2-H1-48VDC intermediate Relay, 1 board and VACON inverter connection fixture.

[0013] Below in conjunction with accompanying drawing and concrete implementation, take crane as example the present invention is described in detail:

[0014] exist figure 1 Among them, the OPT-E9 card and the VACON inverter are connected and fixed together t...

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Abstract

The invention discloses a VACON frequency converter relay card applicable to the crane industry. The card has a main function of converting input of three AC 48V relays into output of three DC 24V relays and comprises three AC 48V input terminals, three DC 24V output terminals, three DB107S rectifier bridges, three 47 uf capacitors, six 6.8 K resistors, six 2.7 K resistors, three G5V-2-H1-48VDC intermediate relays and a board card and VACON frequency converter connecting and fixing device. The VACON frequency converter relay card is low in cost and compact in integrated structure, and mountingand wiring are convenient; the relay card can be mounted in the VACON NX series frequency converter, and space is saved; hardware is easy to solidify, the filter capacitors are arranged, anti-interference capability is high, and universality is good.

Description

technical field [0001] The invention relates to a relay card, in particular to a VACON inverter relay card based on a crane application. Background technique [0002] In view of the fact that most of the domestic crane control circuits follow the European standard AC48V relay control circuit, the control circuit is complex, and most of the inverters and PLC control circuits currently used are powered by DC 24V, so it is necessary to increase the power conversion link to achieve control. Fully butted. Contents of the invention [0003] The object of the present invention is to provide a VACON frequency converter relay card based on crane application, so as to solve the problems raised in the above-mentioned background technology. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] A VACON inverter relay card based on crane applications, including 3 AC 48V input terminals, 3 DC24V output terminals, 3 DB107S recti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/48
CPCB66C13/48
Inventor 陶芝勇何军锋
Owner 上海欧控电气技术有限公司