CN206096320U - High voltage distribution cabinet is with diagnosis module - Google Patents

High voltage distribution cabinet is with diagnosis module Download PDF

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Publication number
CN206096320U
CN206096320U CN201620925356.0U CN201620925356U CN206096320U CN 206096320 U CN206096320 U CN 206096320U CN 201620925356 U CN201620925356 U CN 201620925356U CN 206096320 U CN206096320 U CN 206096320U
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CN
China
Prior art keywords
relay
receiving terminal
module
voltage power
transmitting terminal
Prior art date
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Active
Application number
CN201620925356.0U
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Chinese (zh)
Inventor
余保生
林立成
徐文生
赖征伟
曾纪杭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN MAHENGDA AUTO PARTS Co Ltd
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XIAMEN MAHENGDA AUTO PARTS Co Ltd
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Application filed by XIAMEN MAHENGDA AUTO PARTS Co Ltd filed Critical XIAMEN MAHENGDA AUTO PARTS Co Ltd
Priority to CN201620925356.0U priority Critical patent/CN206096320U/en
Application granted granted Critical
Publication of CN206096320U publication Critical patent/CN206096320U/en
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Abstract

The utility model discloses a high voltage distribution cabinet is with diagnosis module, including singlechip, carrier wave module, coupling capacitance, driver chip, a m data sending terminal, a m transmitting terminal relay, a n data receiving terminal and a n receiving terminal relay, driver chip and carrier wave module are connected respectively to the singlechip, and a m transmitting terminal relay and a n receiving terminal relay are connected respectively to driver chip's output, and a m data sending terminal is connected to the one end one -to -one of a m transmitting terminal relay, and the other end corresponds connection respectively await measuring the relay control input end or the fuse input that awaits measuring, the one end one -to -one connection n data receiving terminal of a n receiving terminal relay, the corresponding connection of the other end respectively await measuring the relay rear end or the fuse rear end of awaiting measuring, the carrier wave module is through each data receiving terminal of coupling capacitance connection and each data sending terminal. This module can effectively diagnose out the relay whether contact failure, put through or open circuit to reach the fuse route or open circuit, ensure high voltage distribution cabinet's normal work.

Description

A kind of high voltage power distributing cabinet diagnostic module
Technical field
The utility model belongs to High-Voltage Technology field, more particularly to a kind of diagnostic module for high voltage power distributing cabinet.
Background technology
Master controller, relay, fuse, current divider etc., main controller controls are provided with electric motor car high voltage power distributing cabinet Multiple paths supply electricity to electric motor car miscellaneous equipment, and control voltage adopts relay as switch in DC200V to 800V, path, And protect the safety of power supply using fuse.In practical application, due to voltage ratio it is higher(Voltage:200V-800V), electric current is again non- Chang great(Electric current:10A-300A), thus situations such as have aging relay contact, loose contact, fuse and fail, in turn result in Contact arc discharge, spread of voltage or no-voltage, these situations such as can not in time find that permanent work can cause electric vehicle devices Damage, even catch fire when serious, cause adverse consequences.
Based on above technical background, thus this case produces.
Utility model content
The purpose of this utility model, is to provide a kind of high voltage power distributing cabinet diagnostic module, its can efficient diagnosis go out relay Device whether loose contact, connect or open circuit, and fuse path or open circuit, it is ensured that the normal work of high voltage power distributing cabinet.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of high voltage power distributing cabinet diagnostic module, for carrying out to the break-make of the relay in high voltage power distributing cabinet or fuse Diagnosis;The diagnostic module includes single-chip microcomputer, carrier module, coupled capacitor, driving chip, m data transmitting terminal, m transmission End relay, n data receiver and n receiving terminal relay, m, n are natural number;Wherein, single-chip microcomputer connects respectively driving Chip and carrier module, the output end of driving chip connects respectively m transmitting terminal relay and n receiving terminal relay, and m is sent out One end of sending end relay connects one to one m data transmitting terminal, and the other end correspondence connection of m transmitting terminal relay is respectively treated Survey Control input or fuse input to be measured, one end of n receiving terminal relay connects one to one n data Receiving terminal, the other end correspondence of n receiving terminal relay connects each relay rear end to be measured or fuse rear end to be measured;The load Ripple module connects each data receiver and each data sending terminal by coupled capacitor respectively.
Above-mentioned single-chip microcomputer is connected by serial ports with carrier module.
Above-mentioned single-chip microcomputer adopts 9S12XEP256MAL.
Above-mentioned driving chip adopts ULN2003A.
Above-mentioned carrier module adopts APLC-L.
Above-mentioned transmitting terminal relay and receiving terminal relay adopt HF49D/012.
After such scheme, the utility model by increasing diagnostic module in the main control circuit of high voltage power distributing cabinet, By the input sending signal to relay to be measured or fuse, and in its output end collection feedback information, so as to judge to treat Survey the break-make of relay or fuse, power supply general supply 0V to 800V voltages can be diagnosed to be relay whether loose contact, Connect or open circuit, fuse path or open circuit, simple structure is easy to use.
Description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is integrated circuit figure of the present utility model.
Specific embodiment
Below with reference to accompanying drawing, the technical solution of the utility model and beneficial effect are described in detail.
As shown in figure 1, the utility model provides a kind of high voltage power distributing cabinet diagnostic module, in high voltage power distributing cabinet The break-make of relay or fuse is diagnosed, mainly including single-chip microcomputer, carrier module, coupled capacitor, driving chip, m numbers According to transmitting terminal, m transmitting terminal relay, n data receiver and n receiving terminal relay, m, n are natural number, divide below Do not introduce.
Model 9S12XEP256MAL that the single-chip microcomputer is adopted, it connects carrier module by serial ports, and with carrier wave mould Block carries out two-way communication, and the single-chip microcomputer is also connected with the input of driving chip.
The driving chip ULN2003A, its output end connects respectively m transmitting terminal relay and n receiving terminal relay Device, under the control of single-chip microcomputer, drives relay to be measured or fuse to connect.
M data transmitting terminal and m transmitting terminal relay connect one to one, and the other end of m transmitting terminal relay can Correspondence connects Control input to be measured or fuse input to be measured, and the transmitting terminal relay can adopt HF49D/ 012, transmitting terminal relay closure is controlled by driving chip, so as to realize the transmission of signal.
N data receiver and n receiving terminal relay connect one to one, and the other end of n receiving terminal relay can Correspondence connects relay rear end to be measured or fuse rear end to be measured, and the receiving terminal relay can adopt HF49D/012, pass through Driving chip control receiving terminal relay closure, so as to realize the reception of signal.
The carrier module adopts APLC-L, and by coupled capacitor each data sending terminal and each data receiver are connected.
The technical solution of the utility model is further illustrated below with reference to specific embodiment.
In the present embodiment, 8 data receivers and 3 data sending terminals are provided with, 8 receiving terminal relays are correspondingly arranged Device and 3 transmitting terminal relays, wherein, the diagnosable three-level of 3 data sending terminals(Three-level refers to 3 relays being connected in series), 8 The diagnosable 8 relay monitoring points of individual data receiver.
Such as diagnose 3 relays of one-level(Note:Relay to be diagnosed in high voltage power distributing cabinet):Sent out with one of data Sending end connects the common port of 3 Control inputs, and data receiver connects respectively 3 relay rear ends.
It is numbered with unique coding to each relay first;Such as " 0X0001,0X0002,0X0003 ", coding is deposited into Single-chip microcomputer EEPROM EEPROMs.
First relay course of work of diagnosis:
The first step, Single-chip Controlling driving chip drives transmitting terminal relay to connect;
Second step, Single-chip Controlling driving chip drives receiving terminal relay to connect;
3rd step, single-chip microcomputer sends 0X0001 coded datas by serial ports UART;
4th step, carrier module receives microcontroller serial port data and is processed, then sends carrier data by output end;
5th step, by coupled capacitor, transmits the common port of the Control input to be measured of carrier signal to 3, by When in second step, relay path to be diagnosed is gated, therefore receiver module receives the carrier signal sent, then passes through Carrier module is decoded into serial data and is sent to single-chip microcomputer;
Whether the 6th step, single-chip microcomputer is driven according to relay to be measured, judges the correctness of data, determines that relay is touched Whether point is connected good.
Above example is only to illustrate technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality Within the scope of novel protected.

Claims (6)

1. a kind of high voltage power distributing cabinet diagnostic module, for examining the break-make of the relay in high voltage power distributing cabinet or fuse It is disconnected;It is characterized in that:The diagnostic module includes that single-chip microcomputer, carrier module, coupled capacitor, driving chip, m data send End, m transmitting terminal relay, n data receiver and n receiving terminal relay, m, n are natural number;Wherein, single-chip microcomputer point Not Lian Jie driving chip and carrier module, the output end of driving chip connect respectively m transmitting terminal relay and n receiving terminal after Electrical equipment, one end of m transmitting terminal relay connects one to one m data transmitting terminal, the other end pair of m transmitting terminal relay Each Control input to be measured or fuse input to be measured should be connected, one end of n receiving terminal relay corresponds N data receiver of connection, the other end correspondence of n receiving terminal relay connects each relay rear end to be measured or fuse to be measured Rear end;The carrier module connects each data receiver and each data sending terminal by coupled capacitor respectively.
2. a kind of high voltage power distributing cabinet diagnostic module as claimed in claim 1, it is characterised in that:The single-chip microcomputer passes through serial ports It is connected with carrier module.
3. a kind of high voltage power distributing cabinet diagnostic module as claimed in claim 1, it is characterised in that:The single-chip microcomputer is adopted 9S12XEP256MAL。
4. a kind of high voltage power distributing cabinet diagnostic module as claimed in claim 1, it is characterised in that:The driving chip is adopted ULN2003A。
5. a kind of high voltage power distributing cabinet diagnostic module as claimed in claim 1, it is characterised in that:The carrier module is adopted APLC-L。
6. a kind of high voltage power distributing cabinet diagnostic module as claimed in claim 1, it is characterised in that:The transmitting terminal relay and Receiving terminal relay adopts HF49D/012.
CN201620925356.0U 2016-08-24 2016-08-24 High voltage distribution cabinet is with diagnosis module Active CN206096320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620925356.0U CN206096320U (en) 2016-08-24 2016-08-24 High voltage distribution cabinet is with diagnosis module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620925356.0U CN206096320U (en) 2016-08-24 2016-08-24 High voltage distribution cabinet is with diagnosis module

Publications (1)

Publication Number Publication Date
CN206096320U true CN206096320U (en) 2017-04-12

Family

ID=58469948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620925356.0U Active CN206096320U (en) 2016-08-24 2016-08-24 High voltage distribution cabinet is with diagnosis module

Country Status (1)

Country Link
CN (1) CN206096320U (en)

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