CN206727443U - A kind of device of inside switch cabinet temperature rise monitoring - Google Patents
A kind of device of inside switch cabinet temperature rise monitoring Download PDFInfo
- Publication number
- CN206727443U CN206727443U CN201720453169.1U CN201720453169U CN206727443U CN 206727443 U CN206727443 U CN 206727443U CN 201720453169 U CN201720453169 U CN 201720453169U CN 206727443 U CN206727443 U CN 206727443U
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- China
- Prior art keywords
- cabinet
- temperature rise
- unit
- data
- monitoring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
Abstract
The utility model discloses a kind of device of inside switch cabinet temperature rise monitoring, belong to electrical equipment technical field, including cabinet, control room (1) is provided with cabinet, breaker chamber (2), lower cable vault (3), cable vault (4) and bus-bar room (5), switch cubicle temperature rise monitoring processing unit (101) is provided with control room (1), top in bus-bar room (5), top in breaker chamber (2), top in cable vault (4) is respectively equipped with an in-cabinet temperature sensor (102), solves the existing cumbersome problem of switching equipment temperature rise monitoring device install sensor, by simply installing a small amount of sensor, realize the monitoring to temperature rise in switch cubicle, realize monitor do not influenceed while temperature rise equipment operation purpose.
Description
Technical field
The utility model belongs to electrical equipment technical field, more particularly to a kind of device of inside switch cabinet temperature rise monitoring.
Background technology
In a variety of additional informations that power switchgear application field, Intellectualized Switchgear provide by it, improve and pair set
The understanding ability and the control ability to equipment of standby information, turn into new application trend.Wherein, the temperature rise monitoring to equipment is main
Want one of technical need.
Existing switching equipment temperature rise monitoring has various ways, including the wireless temperature rise monitoring device of self-energizing, optical fiber temperature rise
Monitoring device, surface acoustic wave monitoring device etc..
Temperature sensor is all directly installed in switch cubicle and is monitored part by existing switching equipment temperature rise monitoring device
Surface, such as busbar surface, circuit breaker contact arm surface, cable head surface, and by the way of multiple spot monitoring, such as in three-phase
Being installed per phase for major loop is one or more.These sensors install and safeguarded cumbersome, it is necessary to which switch cabinet main loop powers off ability
Carry out, and can influence switch cubicle operation when installing bad or even cause the accidents such as insulation breakdown.
It is due to generate heat to producing after main circuit conductor galvanization in cabinet that switch in-cabinet temperature, which rises, and different main circuit currents are led
Cause air themperature in different cabinets.Though the method that traditional temperature rise monitoring method places temperature sensor in part main circuit conductor
Each point Temperature numerical can be obtained, but the temperature for having exceeded highest permission can only be judged whether, not can determine that conductive in cabinet return
Road whether there is failure or incipient fault, and the failure of sensor in itself may cause switch cabinet main galvanic circle event occur
Barrier.
Switch cubicle is equipped with the current-voltage measurement sensor of the major loops such as D.C mutual-inductor when dispatching from the factory at present.
Utility model content
The purpose of this utility model is to provide a kind of device of inside switch cabinet temperature rise monitoring, solves existing switchgear
The cumbersome problem of temperature rise monitoring device install sensor, by simply installing a small amount of sensor, realize the prison to temperature rise in switch cubicle
Survey, realize monitor do not influenceed while temperature rise equipment run purpose.
To achieve the above object, the utility model uses following technical scheme：
A kind of device of inside switch cabinet temperature rise monitoring, including cabinet, cabinet is interior to be provided with control room, breaker chamber, lower electricity
Cable room, cable vault and bus-bar room, are provided with switch cubicle temperature rise monitoring processing unit in control room, top, breaker in bus-bar room
Top in indoor top, cable vault is respectively equipped with an in-cabinet temperature sensor, and all in-cabinet temperature sensors pass through
The temperature rise of wire connecting switch cabinet monitors processing unit, is provided with current transformer in cable vault, current transformer is connected by wire
Switch cubicle temperature rise monitors processing unit, and cabinet is externally provided with the outer temperature sensor of cabinet, and the outer temperature sensor of cabinet is opened by wire connection
Close cabinet temperature rise monitoring processing unit；
Switch cubicle temperature rise monitoring processing unit includes inside switch cabinet temperature rise data processing equipment and switch cubicle temperature rise monitors
Information output apparatus, inside switch cabinet temperature rise data processing equipment are included at data acquisition unit, data storage cell and data
Unit is managed, the outer temperature sensor summation current transformer of all in-cabinet temperature sensors, cabinet electrically connects data acquisition unit, data
Collecting unit and data storage cell are all connected with data processing unit；
It is single that switch cubicle temperature rise monitoring information output device includes data receipt unit, Date Conversion Unit and information output
Member, the data processing unit connect data receipt unit by serial ports, and data receipt unit and information output unit are all connected with
Date Conversion Unit.
The model of the in-cabinet temperature sensor and the outer temperature sensor of the cabinet is 18B20.
The data processing unit and Date Conversion Unit are arm processor, and the data acquisition unit connects including I2C
The outer temperature sensor of mouth and AD conversion module, the in-cabinet temperature sensor and the cabinet is all connected with I2C interface, the AD conversion
Module includes current rectifying and wave filtering circuit and AD conversion chip, current transformer connection current rectifying and wave filtering circuit, current rectifying and wave filtering circuit connection
AD conversion chip, the AD conversion chip connect the data processing unit.
The data receipt unit connects photoisolator, and Date Conversion Unit is provided with first serial communication ends and the second string
Port communications end, photoisolator electrically connect the first serial communication ends, and described information output unit is 485 chips, and described 485
Chip connects the second serial communication ends.
A kind of device of inside switch cabinet temperature rise monitoring described in the utility model, solves existing switching equipment temperature rise prison
The cumbersome problem of device install sensor is surveyed, by simply installing a small amount of sensor, realizes the monitoring to temperature rise in switch cubicle, is realized
Monitoring the purpose that does not influence equipment operation while temperature rise.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is schematic diagram block diagram of the present utility model；
In figure：Control room 1, breaker chamber 2, lower cable vault 3, cable vault 4, bus-bar room 5, switch cubicle temperature rise monitoring processing dress
Put the outer temperature sensor 104 of 101, in-cabinet temperature sensor 102, current transformer 103, cabinet.
Embodiment
A kind of device of inside switch cabinet temperature rise monitoring as depicted in figs. 1 and 2, including cabinet, cabinet is interior to be provided with instrument
Room 1, breaker chamber 2, lower cable vault 3, cable vault 4 and bus-bar room 5, switch cubicle temperature rise monitoring processing unit is provided with control room 1
101, the top in bus-bar room 5, the top in breaker chamber 2, the top in cable vault 4 are respectively equipped with an in-cabinet temperature sensing
Device 102, all in-cabinet temperature sensors 102 monitor processing unit 101 by the temperature rise of wire connecting switch cabinet, in cable vault 4
Provided with current transformer 103, current transformer 103 monitors processing unit 101, cabinet peripheral hardware by the temperature rise of wire connecting switch cabinet
There is the outer temperature sensor 104 of cabinet, the outer temperature sensor 104 of cabinet monitors processing unit 101 by the temperature rise of wire connecting switch cabinet；
Switch cubicle temperature rise monitoring processing unit 101 includes inside switch cabinet temperature rise data processing equipment and switch cubicle temperature rise is supervised
Measurement information output device, inside switch cabinet temperature rise data processing equipment include data acquisition unit, data storage cell and data
Processing unit, the outer summation current transformer 103 of temperature sensor 104 of all in-cabinet temperature sensors 102, cabinet electrically connect data and adopted
Collect unit, data acquisition unit and data storage cell are all connected with data processing unit；
It is single that switch cubicle temperature rise monitoring information output device includes data receipt unit, Date Conversion Unit and information output
Member, the data processing unit connect data receipt unit by serial ports, and data receipt unit and information output unit are all connected with
Date Conversion Unit.
The model of the in-cabinet temperature sensor 102 and the outer temperature sensor 104 of the cabinet is 18B20.
The data processing unit and the Date Conversion Unit are arm processor, and the data acquisition unit includes
The outer temperature sensor 104 of I2C interface and AD conversion module, the in-cabinet temperature sensor 102 and the cabinet is all connected with I2C and connect
Mouthful, the AD conversion module include current rectifying and wave filtering circuit (current rectifying and wave filtering circuit be prior art, Gu not in detail narration) and
AD conversion chip (AD conversion chip is prior art, Gu do not describe in detail), current transformer 103 connects rectifying and wave-filtering electricity
Road, current rectifying and wave filtering circuit connection AD conversion chip, the AD conversion chip connect the data processing unit.
The data receipt unit connects photoisolator, and Date Conversion Unit is provided with first serial communication ends and the second string
Port communications end, photoisolator electrically connect the first serial communication ends, and described information output unit is 485 chips, and described 485
Chip connects the second serial communication ends.
The current transformer 103 can use original current sensor configured in switch cubicle.
The outer temperature sensor 104 of cabinet gathers cabinet external air temperature located at the place beyond cabinet 1M.
The utility model installs a small amount of temperature sensor using top of the cordless inside cabinet, not with cabinet
Return conductors contact, do not influence switch cubicle normal operation, in the absence of the possibility of incipient fault, be easy to safeguard and change, this
Utility model measures simultaneously, while monitoring switch cabinet temperature rise, judges whether temperature rise is normal according to switch cabinet main loop current,
More accurate judgement switch cubicle temperature rising state.The utility model realizes multidimensional while switch cubicle operational reliability is not reduced
Degrees of data judges switch cubicle temperature rise time of day.
The temperature sensor of inside switch cabinet is placed on switch cubicle inside top, can be at the top of breaker of switch cabinet room 2
Place one, one placed at the top of cable vault 4, one is placed at the top of bus-bar room 5, can also select to place one of them or
It is several.
The data processing unit is compared and opened under this current value according to temperature rise numerical value in main circuit current value and actual cabinet
Close cabinet in temperature rise it is whether normal, when judge under this current values, after the temperature rise in switch cubicle is not above permissible level, judge
For normal condition, and normal result of determination and numerical value are passed to switch cubicle temperature rise monitoring information output device；When judge herein
Under current values, after temperature rise in switch cubicle exceedes permissible level, it is determined as malfunction, and by the result of determination sum of failure
The incoming switch cubicle temperature rise monitoring information output device of value.
After the data receipt unit of switch cubicle temperature rise monitoring information output device receives the result of calculation of data processing unit,
Send result of calculation to Date Conversion Unit, Date Conversion Unit is again exported result of calculation to remote by information output unit
Method, apparatus.
A kind of device of inside switch cabinet temperature rise monitoring described in the utility model, solves existing switching equipment temperature rise prison
The cumbersome problem of device install sensor is surveyed, by simply installing a small amount of sensor, realizes the monitoring to temperature rise in switch cubicle, is realized
Monitoring the purpose that does not influence equipment operation while temperature rise.
Claims (4)
- A kind of 1. device of inside switch cabinet temperature rise monitoring, it is characterised in that：Including cabinet, control room (1) is provided with cabinet, is broken Road device room (2), lower cable vault (3), cable vault (4) and bus-bar room (5), switch cubicle temperature rise monitoring is provided with control room (1) and is handled Device (101), the top in bus-bar room (5), the top in breaker chamber (2), the top in cable vault (4) are respectively equipped with one In-cabinet temperature sensor (102), all in-cabinet temperature sensors (102) monitor processing dress by the temperature rise of wire connecting switch cabinet Put (101), be provided with current transformer (103) in cable vault (4), current transformer (103) passes through wire connecting switch cabinet temperature rise Processing unit (101) is monitored, cabinet is externally provided with the outer temperature sensor (104) of cabinet, and the outer temperature sensor (104) of cabinet is connected by wire Connect switch cubicle temperature rise monitoring processing unit (101)；Switch cubicle temperature rise monitoring processing unit (101) includes inside switch cabinet temperature rise data processing equipment and switch cubicle temperature rise monitors Information output apparatus, inside switch cabinet temperature rise data processing equipment are included at data acquisition unit, data storage cell and data Unit is managed, all in-cabinet temperature sensors (102), outer temperature sensor (104) summation current transformer (103) of cabinet electrically connect number According to collecting unit, data acquisition unit and data storage cell are all connected with data processing unit；Switch cubicle temperature rise monitoring information output device includes data receipt unit, Date Conversion Unit and information output unit, institute State data processing unit and data receipt unit is connected by serial ports, data receipt unit and information output unit are all connected with data and turned Change unit.
- A kind of 2. device of inside switch cabinet temperature rise monitoring as claimed in claim 1, it is characterised in that：The in-cabinet temperature passes The model of sensor (102) and the outer temperature sensor (104) of the cabinet is 18B20.
- A kind of 3. device of inside switch cabinet temperature rise monitoring as claimed in claim 1, it is characterised in that：The data processing list Member and Date Conversion Unit are arm processor, and the data acquisition unit includes I2C interface and AD conversion module, the cabinet Interior temperature sensor (102) and the outer temperature sensor (104) of the cabinet are all connected with I2C interface, and the AD conversion module includes whole Flow filter circuit and AD conversion chip, current transformer (103) connection current rectifying and wave filtering circuit, current rectifying and wave filtering circuit connection AD conversion Chip, the AD conversion chip connect the data processing unit.
- A kind of 4. device of inside switch cabinet temperature rise monitoring as claimed in claim 1, it is characterised in that：The data receiver list Member connection photoisolator, Date Conversion Unit are provided with first serial communication ends and second serial communication ends, photoisolator electricity The first serial communication ends are connected, described information output unit is 485 chips, and 485 chip connects the second serial Communication ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453169.1U CN206727443U (en) | 2017-04-27 | 2017-04-27 | A kind of device of inside switch cabinet temperature rise monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453169.1U CN206727443U (en) | 2017-04-27 | 2017-04-27 | A kind of device of inside switch cabinet temperature rise monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727443U true CN206727443U (en) | 2017-12-08 |
Family
ID=60508156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720453169.1U Expired - Fee Related CN206727443U (en) | 2017-04-27 | 2017-04-27 | A kind of device of inside switch cabinet temperature rise monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206727443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287288A (en) * | 2018-02-06 | 2018-07-17 | 李宏仁 | A kind of switchgear thermal defect monitoring system and analysis method and comprehensive control device |
| CN111307306A (en) * | 2019-12-04 | 2020-06-19 | 珠海一多监测科技有限公司 | Non-intrusive temperature measurement health assessment method, equipment and storage medium |
-
2017
- 2017-04-27 CN CN201720453169.1U patent/CN206727443U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287288A (en) * | 2018-02-06 | 2018-07-17 | 李宏仁 | A kind of switchgear thermal defect monitoring system and analysis method and comprehensive control device |
| CN108287288B (en) * | 2018-02-06 | 2020-09-22 | 李宏仁 | Switch cabinet thermal defect monitoring system, analysis method and comprehensive measurement and control device |
| CN111307306A (en) * | 2019-12-04 | 2020-06-19 | 珠海一多监测科技有限公司 | Non-intrusive temperature measurement health assessment method, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |