CN107014498A - A kind of switch cabinet temperature measurement and the device of fault diagnosis - Google Patents
A kind of switch cabinet temperature measurement and the device of fault diagnosis Download PDFInfo
- Publication number
- CN107014498A CN107014498A CN201710301290.7A CN201710301290A CN107014498A CN 107014498 A CN107014498 A CN 107014498A CN 201710301290 A CN201710301290 A CN 201710301290A CN 107014498 A CN107014498 A CN 107014498A
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- CN
- China
- Prior art keywords
- fault diagnosis
- module
- switch cabinet
- temperature measurement
- display terminal
- Prior art date
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/028—Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
Abstract
The embodiment of the invention discloses a kind of measurement of switch cabinet temperature and the device of fault diagnosis, device sensor installation process for solving existing switch cabinet temperature measurement and fault diagnosis is complicated, need electric power system power failure ability installation operation, whole critical electrical contacts all need to install a temperature sensor, the high technical problem of cost in switch cubicle.A kind of switch cabinet temperature measurement of the embodiment of the present invention and the device of fault diagnosis include：Magnetic-type radio temperature sensor, wireless receiving display terminal, the magnetic-type radio temperature sensor are arranged on outside switch cabinet body；The magnetic-type radio temperature sensor connects the wireless receiving display terminal by wireless signal.
Description
Technical field
The present invention relates to power switch cabinet thermometric fault diagnosis field, more particularly to a kind of measurement of switch cabinet temperature and failure
The device of diagnosis.
Background technology
Switch cubicle is important power equipment in power system.Some in equipment During Process of Long-term Operation, in switch cubicle
The position such as dangerous heat generating spot, such as bus contact joint, high-voltage cable joint, the sliding contact point of finger of breaker and contact is because of aging
Or other reasons cause contact resistance excessive so as to cause heating excessive, directly influence the normal operation of equipment, or even cause
Accident.
The high-tension switch cabinet kind equipment put into operation at present, does not all have fitting temperature monitoring function typically, abnormal in equipment fault
Generate heat after temperature rise, administrative staff can not be known, so that occur blast, burning, the loss of power accident.It is necessary in old high-tension switch cabinet
Increase thermometric and fault diagnosis functions (or equipment) in equipment.High-tension switch cabinet kind equipment in operation, at present mostly
In big load operating conditions, it is difficult to accomplish the interruption maintenance of large area, and temperature transducer is installed.
The content of the invention
The embodiments of the invention provide a kind of measurement of switch cabinet temperature and the device of fault diagnosis, existing switch is solved
The device sensor installation process of cabinet temperature survey and fault diagnosis is complicated, and needing electric power system to have a power failure could installation operation, switch
Whole critical electrical contacts all need to install a temperature sensor, the high technical problem of cost in cabinet.
A kind of switch cabinet temperature measurement provided in an embodiment of the present invention and the device of fault diagnosis, including：It is magnetic-type wireless
Temperature sensor, wireless receiving display terminal, the magnetic-type radio temperature sensor are arranged on outside switch cabinet body；It is described
Magnetic-type radio temperature sensor connects the wireless receiving display terminal by wireless signal.
Preferably, the wireless receiving display terminal includes：Wireless data receipt modules, the wireless data receipt modules
Connected with the magnetic-type radio temperature sensor by wireless signal.
Preferably, the wireless receiving display terminal also includes：MCU and display module, the MCU connections display mould
Block and the wireless data receipt modules.
Preferably, the wireless receiving display terminal also includes：Alarm output module, the MCU connections alarm is defeated
Go out module.
Preferably, the wireless receiving display terminal also includes：Remote communication module, the MCU connections are described long-range logical
Interrogate module.
Preferably, the wireless receiving display terminal also includes：Fault diagnosis module, the MCU connections failure is examined
Disconnected module.
Preferably, the wireless receiving display terminal also includes：Data memory module, the MCU connections data are deposited
Store up module.
Preferably, the magnetic-type radio temperature sensor at least one.
Preferably, the wireless receiving display terminal also includes：Power module, the power module connection is described magnetic-type
Radio temperature sensor and the MCU.
Preferably, the wireless data receipt modules, the wireless survey for receiving the magnetic-type radio temperature sensor
Warm data；The fault diagnosis module, for being joined by built-in thermometric fault diagnosis algorithm to the temperature measurement data and diagnosis
Number is calculated and exports diagnosis result of calculation；The MCU, for managing and controlling the wireless data receipt modules, described
Display module, the alarm output module, the remote communication module, the data memory module, the fault diagnosis module.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
A kind of switch cabinet temperature measurement provided in the embodiment of the present invention and the device of fault diagnosis include：It is magnetic-type wireless
Temperature sensor, wireless receiving display terminal, the magnetic-type radio temperature sensor are arranged on outside switch cabinet body；It is described
Magnetic-type radio temperature sensor connects the wireless receiving display terminal by wireless signal.In the present embodiment, pass through magnetic
Formula radio temperature sensor, wireless receiving display terminal, it is external that the magnetic-type radio temperature sensor is arranged on switch cabinet
Portion；The magnetic-type radio temperature sensor connects the wireless receiving display terminal by wireless signal, solves existing
Switch cabinet temperature is measured and the device sensor installation process of fault diagnosis is complicated, needs electric power system power failure ability installation operation,
Whole critical electrical contacts all need to install a temperature sensor, the high technical problem of cost in switch cubicle.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
A kind of switch cabinet temperature measurement provided in Fig. 1 embodiment of the present invention and one embodiment of the device of fault diagnosis
Structural representation.
Embodiment
The embodiments of the invention provide a kind of measurement of switch cabinet temperature and the device of fault diagnosis, for solving existing open
The device sensor installation process for closing cabinet temperature survey and fault diagnosis is complicated, needs electric power system power failure ability installation operation, opens
Closing whole critical electrical contacts in cabinet all needs to install a temperature sensor, the high technical problem of cost.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, a kind of switch cabinet temperature measurement provided in the embodiment of the present invention and the one of the device of fault diagnosis
Individual embodiment includes：
Magnetic-type radio temperature sensor 1, wireless receiving display terminal 10, the magnetic-type radio temperature sensor 1 are set
Put outside switch cabinet body；The magnetic-type radio temperature sensor 1 connects the wireless receiving by wireless signal and shown
Terminal 10.
Further, the wireless receiving display terminal 10 includes：Wireless data receipt modules 3, the wireless data connects
Receive module 3 and the magnetic-type radio temperature sensor 1 is connected by wireless signal.
Further, the wireless receiving display terminal 10 also includes：MCU2 and display module 4, the MCU2 connections institute
State display module 4 and the wireless data receipt modules 3.
Further, the wireless receiving display terminal 10 also includes：Alarm output module 5, the MCU2 connections are described
Alarm output module 5.
Further, the wireless receiving display terminal 10 also includes：Remote communication module 6, the MCU2 connections are described
Remote communication module 6.
Further, the wireless receiving display terminal 10 also includes：Fault diagnosis module 7, the MCU2 connections are described
Fault diagnosis module 7.
Further, the wireless receiving display terminal 10 also includes：Data memory module 8, the MCU2 connections are described
Data memory module 8.
Further, the magnetic-type radio temperature sensor 1 at least one.
Further, the wireless receiving display terminal 10 also includes：Power module 9, the power module 9 connects described
Magnetic-type radio temperature sensor 1 and the MCU2.
Further, the wireless data receipt modules 3, the nothing for receiving the magnetic-type radio temperature sensor 1
Line temperature measurement data；The fault diagnosis module 7, for by the way that built-in thermometric fault diagnosis algorithm is to the temperature measurement data and examines
Disconnected parameter is calculated and exports diagnosis result of calculation；The MCU2, for managing and controlling the wireless data receipt modules
3rd, the display module 4, the alarm output module 5, the remote communication module 6, the data memory module 8, the event
Hinder diagnostic module 7.
Common switch cabinet temperature measurement, using direct temperature measurement mode, temperature transducer direct measurement primary equipment is electric
In contact position, the present embodiment, by carrying out indirect temperature measurement to switch cubicle, temperature transducer is not required to be arranged in switch cubicle
In the Primary Conductor in portion, and switch board housing and secondary meter room etc. are mounted in away from Primary Conductor, it is ensured that installation process
Convenience and security, the device sensor installation process for solving the measurement of existing switch cabinet temperature and fault diagnosis answers
It is miscellaneous, need whole critical electrical contacts in electric power system power failure ability installation operation, switch cubicle all to need that a temperature sensor is installed,
The high technical problem of cost.
A kind of switch cabinet temperature measurement provided in such as Fig. 1, the present embodiment and the device of fault diagnosis include：Magnetic-type nothing
Line temperature sensor 1, wireless receiving display terminal 10.
Magnetic-type radio temperature sensor 1 is arranged on thermo-responsive position of at the top of switch cabinet body or secondary meter room,
And wireless receiving display terminal 10 is connected by wireless transmission method.
Wireless receiving display terminal 10 is by MCU2, wireless data receipt modules 3, display module 4, alarm output module 5, remote
The modules such as journey communication module 6, fault diagnosis module 7, data memory module 8, power module 9 are constituted.Each submodule is managed by MCU2
Reason and control.
The wireless data receipt modules 3 are responsible for the wireless temperature measurement data of receiving front-end sensor；
The display module 4 is used to show temperature measurement data and calculation result data, and may indicate that equipment running status；
The alarm output module 5 is used for the output control of alarm signal；
The remote communication module 6, when needed, can be communicated with background management system, transmitted all Monitoring Datas and examined
Disconnected result data, and configuration information and control command of the background system to wireless receiving display terminal 10 can be transmitted；
The fault diagnosis module 7 is responsible for according to built-in indirect thermometric fault diagnosis algorithm, to temperature measurement data and diagnosis
Parameter carries out COMPREHENSIVE CALCULATING, output diagnosis result of calculation；
The data memory module 8 is responsible for storage temperature data, the storage of calculating process and result data；
By taking the static diagnostic algorithm of certain high-tension switch cabinet ermal physics model as an example, detailed description does height by indirection point temperature
The cabinet that compresses switch overheats early warning and fault alarm triggers the computational methods of threshold values：
Indirect static heat equilibrium relation between temperature measuring point temperature and lump heat source temperature, an environment reference point temperature
θ0It is usually -20 DEG C≤θ for the static temperature of environment reference pointe(t)≤50℃。
θ1For the static temperature of breaker lump thermal source.
θ2For the static temperature of the indirect temperature measuring point of high-voltage board.
k2For the indirect thermometric point feature temperature rising state coefficient of high-tension switch cabinet,
k2Value changes little in certain temperature range and loading range, in general diagnosis calculating process, is taken as often
System.According to the result of fitting experimental data：1250A type high-tension switch cabinets, k2≈ 0.286,3150A type high-tension switch cabinet, k2≈
0.446.According to above formula, environment temperature that can according to the alarming threshold value of primary equipment and at that time calculates indirect temperature measuring point
Alarming threshold value.
In the present embodiment, pass through magnetic-type radio temperature sensor 1, wireless receiving display terminal 10, magnetic-type wireless temperature
Degree sensor 1 is arranged on thermo-responsive position of at the top of switch cabinet body or secondary meter room, and is connected by wireless transmission method
Connect wireless receiving display terminal 10, wireless receiving display terminal 10 include MCU2, wireless data receipt modules 3, display module 4,
Alarm output module 5, remote communication module 6, fault diagnosis module 7, data memory module 8, power module 9, make temperature data
Wireless receiving, storage, each function of calculating and fault diagnosis, are integrated in a station terminal, and package unit constitutes simple, monitoring
Efficiency high, diagnostic result are accurate, magnetic-type radio temperature sensor 1 can flexible Fast Installation, be suitable for various power engineering and change
Make project, in power switch cabinet thermometric fault diagnosis field, be old power equipment intellectualized reconstruction there is provided low cost,
And quick solution, solve existing switch cabinet temperature measurement and the device sensor installation process of fault diagnosis is answered
It is miscellaneous, need whole critical electrical contacts in electric power system power failure ability installation operation, switch cubicle all to need that a temperature sensor is installed,
The high technical problem of cost.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of switch cabinet temperature measurement and the device of fault diagnosis, it is characterised in that including：Magnetic-type wireless temperature sensing
Device, wireless receiving display terminal, the magnetic-type radio temperature sensor are arranged on outside switch cabinet body；The magnetic-type nothing
Line temperature sensor connects the wireless receiving display terminal by wireless signal.
2. switch cabinet temperature measurement according to claim 1 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal includes：Wireless data receipt modules, the wireless data receipt modules and the magnetic-type wireless temperature sensing
Device is connected by wireless signal.
3. switch cabinet temperature measurement according to claim 2 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：MCU and display module, the MCU connections display module and the wireless data receipt modules.
4. switch cabinet temperature measurement according to claim 3 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：Alarm output module, the MCU connections alarm output module.
5. switch cabinet temperature measurement according to claim 4 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：Remote communication module, the MCU connections remote communication module.
6. switch cabinet temperature measurement according to claim 5 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：Fault diagnosis module, the MCU connections fault diagnosis module.
7. switch cabinet temperature measurement according to claim 6 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：Data memory module, the MCU connections data memory module.
8. switch cabinet temperature measurement according to claim 7 and the device of fault diagnosis, it is characterised in that described magnetic-type
Radio temperature sensor at least one.
9. switch cabinet temperature measurement according to claim 7 and the device of fault diagnosis, it is characterised in that described wirelessly to connect
Receiving display terminal also includes：Power module, the power module connects the magnetic-type radio temperature sensor and the MCU.
10. switch cabinet temperature measurement according to claim 9 and the device of fault diagnosis, it is characterised in that described wireless
Data reception module, the wireless temperature measurement data for receiving the magnetic-type radio temperature sensor；The fault diagnosis module,
Calculated for diagnosis to be calculated the temperature measurement data and Diagnostic parameters and exported by built-in thermometric fault diagnosis algorithm
As a result；The MCU, for managing and controlling the wireless data receipt modules, the display module, the warning output mould
Block, the remote communication module, the data memory module, the fault diagnosis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301290.7A CN107014498A (en) | 2017-05-02 | 2017-05-02 | A kind of switch cabinet temperature measurement and the device of fault diagnosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301290.7A CN107014498A (en) | 2017-05-02 | 2017-05-02 | A kind of switch cabinet temperature measurement and the device of fault diagnosis |
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| CN107014498A true CN107014498A (en) | 2017-08-04 |
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|---|---|---|---|
| CN201710301290.7A Pending CN107014498A (en) | 2017-05-02 | 2017-05-02 | A kind of switch cabinet temperature measurement and the device of fault diagnosis |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202471271U (en) * | 2012-03-23 | 2012-10-03 | 宁海县供电局 | On-line temperature measurement system for high-voltage switch cabinet |
| CN204064509U (en) * | 2013-12-30 | 2014-12-31 | 西安银嘉工程设计有限公司 | A kind of temperature of high-tension switch cabinet on-line monitoring system |
| CN204255528U (en) * | 2014-12-04 | 2015-04-08 | 国网冀北电力有限公司张家口供电公司 | Transforming plant primary equipment warning system for real time monitoring temperature |
| CN204988540U (en) * | 2015-05-19 | 2016-01-20 | 广东电网有限责任公司中山供电局 | A switch cabinet wireless temperature -measuring system |
| CN105547508A (en) * | 2016-01-20 | 2016-05-04 | 国网浙江武义县供电公司 | Switch cabinet temperature detection device and method based on cabinet door external measurement |
| CN105699808A (en) * | 2016-01-27 | 2016-06-22 | 杨志强 | A switch cabinet fault diagnosis method based on an on-line indirect temperature measurement mode |
| CN205919902U (en) * | 2016-08-29 | 2017-02-01 | 河北庚熙科技有限公司 | Cubical switchboard passive antenna temperature measuring device |
-
2017
- 2017-05-02 CN CN201710301290.7A patent/CN107014498A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202471271U (en) * | 2012-03-23 | 2012-10-03 | 宁海县供电局 | On-line temperature measurement system for high-voltage switch cabinet |
| CN204064509U (en) * | 2013-12-30 | 2014-12-31 | 西安银嘉工程设计有限公司 | A kind of temperature of high-tension switch cabinet on-line monitoring system |
| CN204255528U (en) * | 2014-12-04 | 2015-04-08 | 国网冀北电力有限公司张家口供电公司 | Transforming plant primary equipment warning system for real time monitoring temperature |
| CN204988540U (en) * | 2015-05-19 | 2016-01-20 | 广东电网有限责任公司中山供电局 | A switch cabinet wireless temperature -measuring system |
| CN105547508A (en) * | 2016-01-20 | 2016-05-04 | 国网浙江武义县供电公司 | Switch cabinet temperature detection device and method based on cabinet door external measurement |
| CN105699808A (en) * | 2016-01-27 | 2016-06-22 | 杨志强 | A switch cabinet fault diagnosis method based on an on-line indirect temperature measurement mode |
| CN205919902U (en) * | 2016-08-29 | 2017-02-01 | 河北庚熙科技有限公司 | Cubical switchboard passive antenna temperature measuring device |
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Application publication date: 20170804 |
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