CN108801469A - A kind of system of high voltage nodes temperature detection - Google Patents
A kind of system of high voltage nodes temperature detection Download PDFInfo
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- CN108801469A CN108801469A CN201810810774.9A CN201810810774A CN108801469A CN 108801469 A CN108801469 A CN 108801469A CN 201810810774 A CN201810810774 A CN 201810810774A CN 108801469 A CN108801469 A CN 108801469A
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- high voltage
- voltage nodes
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- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a kind of systems of high voltage nodes temperature detection comprising：Infrared photography temperature measurement on-line device, for carrying out infra-red radiation on-line measurement to high voltage nodes to obtain the temperature signal of the high voltage nodes；Industrial PLC, the first input end of the industrial PLC are connect with the output end of the infrared photography temperature measurement on-line device, and the first output end of the industrial PLC and the first input end of host computer connect；With the host computer, the temperature for showing the high voltage nodes.Pass through above-mentioned technical proposal of the present invention solves the difficult point of conventional high-tension system temperature measuring point, more effectively maintenance management people is helped to monitor high-tension apparatus operating status, and allowing realization, high-tension apparatus is unattended is possibly realized.
Description
Technical field
The invention belongs to thermometry field, more particularly to a kind of system of high voltage nodes temperature detection.
Background technology
The quantity of high voltage supply switchgear is many in steel mill arrangement, no less than nearly 200 face.Stokehold smelts in steel mill
High-tension switch cabinet and power high-tension switch cabinet just have nearly 40 face at present, due in cabinet protective relaying device only to high-pressure system electricity
The protection setting of stream or electric current, the time, which has grown rear copper bar Surface Creation oxidation film and causes to contact surface resistance, in high-tension switch cabinet increases
Cause fever, the reduction of contact of breaker spring force that contact face is caused to reduce, contact resistance increases and scaling loss arcing of generating heat,
Cause production, equipment major break down, and have point of contact in live switchgear and do not deposit outfit temperature signal collection substantially, cannot save
Pre-alarm in time is to lead to the multiple main cause of field accident before point scaling loss.
At present using the most generally binding contacts sense temperature wireless launcher in alarm for high voltage system.Existing height
Press temperature-detecting device the problem is that：1. binding contact sense temperature wireless launcher needs to be in direct contact high-voltage contact
Or node, it is limited by safe distance in high-voltage board, space is limited；Installing such device makes high-voltage safety distance in cabinet increase,
Increase switchgear electric arc of discharge risk in the switchgear of same volume；2. device is that electronic cell is actively powered, there are electronics
Battery is finished and detects blind spot without temperature alarming.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of systems of high voltage nodes temperature detection comprising：It is infrared to take the photograph
As temperature measurement on-line device, believed with the temperature for obtaining the high voltage nodes for carrying out infra-red radiation on-line measurement to high voltage nodes
Number；Industrial PLC, the first input end of the industrial PLC is connect with the output end of the infrared photography temperature measurement on-line device, described
First output end of industrial PLC and the first input end of host computer connect；With the host computer, for showing the high voltage nodes
Temperature.
In system as described above, it is preferable that the infrared photography temperature measurement on-line device includes：Thermal camera, base
High voltage nodes imaging video is acquired to generate vision signal in Infrared Radiation Technology；Holder is used to support the thermal camera；
With signal management machine, the input terminal of the signal management machine is connect with the first output end of the thermal camera, the signal
The output end of supervisor is connect with the first input end of the industrial PLC, and the vision signal is converted to the electricity of 4~20mA
Stream signal is exported to the industrial PLC, and the current signal is the temperature signal of the high voltage nodes.
In system as described above, it is preferable that the holder includes：Pedestal, for providing support；Tablet, top surface are set
It is equipped with the infrared photography temperature sensor；With adjustable strut, one end is arranged on the base, and the other end connects with the tablet
It connects vertically to adjust the height of the tablet.
In system as described above, it is preferable that the tablet includes：Horizontal part is arranged in the another of the adjustable strut
On one end, and it is spaced between the thermal camera；And vertical portion, l-shaped is connect with the horizontal part, it is described vertical
The inner surface in portion is provided with the thermal camera.
In system as described above, it is preferable that the adjustable strut includes：First screw rod has internal thread, along described
The axial direction of first screw rod is provided with the first groove, the tooth of the groove depth and the internal thread of first groove on the internal thread
High identical, the length of first groove is identical as the screwing length of the internal thread, and one end setting of first screw rod exists
On the pedestal；With the second screw rod, there is external screw thread to be provided with second on the external screw thread along the axial direction of second screw rod
The groove depth of groove, second groove is identical as the tooth height of the internal thread, length and the internal thread of second groove
Screwing length it is identical, one end of second screw rod is threadedly coupled with the other end of first screw rod, described second
The other end of screw rod is connect with the tablet, and the quantity of second groove is identical with the quantity of first groove and described
The groove width of two grooves is identical with the groove width of the first groove.
In system as described above, it is preferable that the system also includes：Hard disk video recorder, input terminal with it is described infrared
The second output terminal of video camera connects.
In system as described above, it is preferable that the host computer is additionally operable to receive preset alarm temperature；The industry
The second input terminal of PLC is connect with the host computer, the second input of the second output terminal of the industrial PLC and the host computer
End connection is alarmed with controlling the host computer when real time temperature reaches the alarm temperature.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
By the way that infrared photography temperature measurement on-line device, the industrial PLC being connect with the temperature measuring equipment is arranged and is connect with industrial PLC
Host computer, not only solve the difficult point of conventional high-tension system temperature measuring point, more effectively help maintenance management personnel monitoring high
Equipment running status is pressed, allowing realization, high-tension apparatus is unattended is possibly realized.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the system of high voltage nodes temperature detection provided in an embodiment of the present invention；
Fig. 2 is a kind of connection diagram of tablet and thermal camera provided in an embodiment of the present invention；
Symbol description is as follows in figure：
1- infrared photography temperature measurement on-lines device, 2- industrial PLCs, 3- host computers, 4- thermal cameras, 5- tablets, 51- are horizontal
Portion, the vertical portions 52-.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referring to Fig. 1, an embodiment of the present invention provides a kind of systems of high voltage nodes temperature detection comprising：Infrared photography
Temperature measurement on-line device 1, industrial PLC (Programmable Logic Controller, programmable logic controller (PLC)) 2 and upper
Machine 3.
Infrared photography temperature measurement on-line device 1 is used to carry out infra-red radiation on-line measurement to high voltage nodes to obtain high voltage nodes
Temperature signal.Industrial PLC 2 is used for treatment temperature signal to obtain the actual temperature value of high voltage nodes, and the temperature value is defeated
Go out to host computer, first input end is connect with the output end of infrared photography temperature measurement on-line device 1, the first output end and host computer
3 first input end connection.Host computer 3 is used to show the temperature of high voltage nodes.It is soft that Siemens's HMI pictures may be used in host computer
The temperature of part real-time display high voltage nodes is so conducive to this system and vermicularizing control system globe area, realizes manipulation unification.
The embodiment of the present invention by be arranged infrared photography temperature measurement on-line device, the industrial PLC that is connect with the temperature measuring equipment and
The host computer being connect with industrial PLC not only solves the difficult point of conventional high-tension system temperature measuring point, more effectively helps to safeguard pipe
Personnel monitoring's high-tension apparatus operating status is managed, allowing realization, high-tension apparatus is unattended is possibly realized.
Infrared photography temperature measurement on-line device includes：Thermal camera 4, holder and signal management machine.Thermal camera 4 is base
In the video camera of Infrared Radiation Technology, acquisition high voltage nodes imaging video is to generate vision signal.When installation, thermal camera
4 infrared ray camera lens need to be directed at high voltage nodes.Holder is used to support thermal camera.Signal management machine is used to turn vision signal
The current signal for being changed to 4~20mA is exported to industrial PLC 2, and current signal is the temperature signal of high voltage nodes, input terminal
It is connect by vision cable with the first output end of thermal camera 4, the first input end connection of output end and industrial PLC.It should
Current signal is analog signal, can so be occurred to avoid the phenomenon for occurring acquiring signal inaccuracy because of field working conditions complexity.
In practice, high voltage nodes to be detected may be multiple, then need to configure a thermal camera, Mei Gehong for each high voltage nodes
The vision signal of acquisition is transmitted to signal management machine by outer video camera by vision cable, and signal management machine is responsible for regarding all the way every
Frequency signal is converted to the current signal of the 4-20mA of corresponding ports, by the current signal access industrial PLC of electric current 4-20mA.Industry
PLC can be obtained high voltage nodes actual temperature value according to current signal and the processing of the correspondence of actual temperature, and correspondence can
With as follows：The current temperature value T=W for being tested high voltage nodes is obtained by (0-300 DEG C) processing of acquisition signal range in industrial PLC
(T is present node actual temperature to × 300 ÷ 27648；W is the digital quantity signal value that measuring point 4-20mA enters PLC).In others
In embodiment, other signal ranges and corresponding relational expression can also be used.
It is retained for the ease of accident analysis or data, which further includes：Hard disk video recorder is believed for preserving about temperature
Number video file, input terminal connect with the second output terminal of thermal camera 4.In application, the acquisition of thermal camera 4 regards
Frequency signal is stored after exporting to hard disk video recorder with document form.
Due to scene lay high-tension switch cabinet specification there are many, in order to adapt to different height high-tension switch cabinet and its
The target area (i.e. high voltage nodes) that interior different height need to detect, holder include：Pedestal, tablet and adjustable strut.
Pedestal is for providing support.The top surface of tablet is provided with thermal camera 4.Adjustable strut is stretched for the axial direction along strut
Contract the strut adjusted, and one end is set on the base, and the other end is connect with tablet, so can vertically adjust tablet
Highly, so as to adjust the height of thermal camera 4.
In order to facilitate height adjustment operation, adjustable strut includes：First screw rod and the second screw rod.First screw rod has interior spiral shell
Line is provided with the first groove along the axial direction of the first screw rod on internal thread, and the groove depth of the first groove is identical as the tooth height of internal thread,
The length of first groove is identical as the screwing length of internal thread, and one end of the first screw rod is set on the base.Second screw rod has
External screw thread is provided with the second groove, the groove depth of the second groove and the high phase of the tooth of internal thread along the axial direction of the second screw rod on external screw thread
Together, the length of the second groove and the screwing length of internal thread are identical, the other end screw thread of one end of the second screw rod and the first screw rod
Connection, the other end of the second screw rod are connect with tablet.The quantity of second groove is identical with the quantity of the first groove and the second groove
Groove width it is identical with the groove width of the first groove, it is spaced apart between two neighboring second groove or the first groove.
Since high voltage nodes temperature is higher, in order to reduce influence of the high voltage nodes heat radiation to thermal camera 4, tablet packet
It includes：Horizontal part 51 and vertical portion 52.Horizontal part 51 is arranged on the other end of adjustable strut.Vertical portion 52 is connect with horizontal part 51
L-shaped, the inner surface of vertical portion 52, which is provided between thermal camera and thermal camera 4 and horizontal part 51, is spaced a spacing
From so that unobstructed before and after thermal camera 4, heat stops not at thermal camera 4.
When high voltage nodes to be monitored when the temperature is excessively high, can cause production, equipment breakdown, give work people to remind in time
Member, host computer 3 are additionally operable to receive preset alarm temperature.Industrial PLC 2 is additionally operable to reach alarm temperature time control in real time temperature
Host computer 3 processed is alarmed, and the second input terminal is connect with host computer 3, the second output terminal of industrial PLC and the second of host computer 3 defeated
Enter end connection.In practical application, increase alert program in industrial PLC, passes through Siemens's HMI frames softwares in host computer
WINCC monitors temperature value in real time, and realizes warning output to past due alarm temperature.
The embodiment of the present invention not only solves the difficult point of conventional high-tension system temperature measuring point, more effectively helps maintenance management
Personnel monitoring's high-tension apparatus operating status, face imaging point locks thermometric, and (i.e. each thermal camera can be locked by Focussing
A fixed temperature measurement node) and the temperature to being detected industrial PLC is entered by standard 4-20mA current signals, effective and industry
PLC and host computer fusion, and the HMI of host computer realize temperature measuring point filing and alarm, allow realize high-tension apparatus it is unattended at
It is possible.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (7)
1. a kind of system of high voltage nodes temperature detection, which is characterized in that the system comprises：
Infrared photography temperature measurement on-line device, for carrying out infra-red radiation on-line measurement to high voltage nodes to obtain the high voltage nodes
Temperature signal；
Industrial PLC, the first input end of the industrial PLC are connect with the output end of the infrared photography temperature measurement on-line device, institute
The first input end of the first output end and host computer of stating industrial PLC connects；With
The host computer, the temperature for showing the high voltage nodes.
2. system according to claim 1, which is characterized in that the infrared photography temperature measurement on-line device includes：
Thermal camera acquires high voltage nodes imaging video to generate vision signal based on Infrared Radiation Technology；
Holder is used to support the thermal camera；With
Signal management machine, the input terminal of the signal management machine are connect with the first output end of the thermal camera, the letter
The output end of number supervisor is connect with the first input end of the industrial PLC, and the vision signal is converted to 4~20mA's
Current signal is exported to the industrial PLC, and the current signal is the temperature signal of the high voltage nodes.
3. system according to claim 2, which is characterized in that the holder includes：
Pedestal, for providing support；
Tablet, top surface are provided with the infrared photography temperature sensor；With
Adjustable strut, one end are arranged on the base, and the other end connect described flat vertically to adjust with the tablet
The height of plate.
4. system according to claim 3, which is characterized in that the tablet includes：
Horizontal part is arranged on the other end of the adjustable strut, and spaced between the thermal camera；With
Vertical portion, l-shaped is connect with the horizontal part, and the inner surface of the vertical portion is provided with the thermal camera.
5. system according to claim 3, which is characterized in that the adjustable strut includes：
There is first screw rod internal thread the first groove is provided on the internal thread along the axial direction of first screw rod, described
The groove depth of first groove is identical as the tooth height of the internal thread, the screwing length of the length and the internal thread of first groove
Identical, one end setting of first screw rod is on the base；With
There is second screw rod external screw thread the second groove is provided on the external screw thread along the axial direction of second screw rod, described
The groove depth of second groove is identical as the tooth height of the internal thread, the screwing length of the length and the internal thread of second groove
Identical, one end of second screw rod is threadedly coupled with the other end of first screw rod, second screw rod it is another
End is connect with the tablet, and the quantity of second groove is identical with the quantity of first groove and the slot of second groove
It is wide identical with the groove width of the first groove.
6. system according to claim 2, which is characterized in that the system also includes：Hard disk video recorder, input terminal and institute
State the second output terminal connection of thermal camera.
7. system according to claim 1, which is characterized in that
The host computer is additionally operable to receive preset alarm temperature；
Second input terminal of the industrial PLC is connect with the host computer, the second output terminal of the industrial PLC with it is described upper
Second input terminal of machine connects, and is alarmed with controlling the host computer when real time temperature reaches the alarm temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810774.9A CN108801469A (en) | 2018-07-23 | 2018-07-23 | A kind of system of high voltage nodes temperature detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810774.9A CN108801469A (en) | 2018-07-23 | 2018-07-23 | A kind of system of high voltage nodes temperature detection |
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| Publication Number | Publication Date |
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| CN108801469A true CN108801469A (en) | 2018-11-13 |
Family
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| CN201810810774.9A Pending CN108801469A (en) | 2018-07-23 | 2018-07-23 | A kind of system of high voltage nodes temperature detection |
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| CN107462333A (en) * | 2017-08-31 | 2017-12-12 | 共享铸钢有限公司 | A kind of large-scale steel-casting is heat-treated wind chill temperatures measuring system |
| CN208383313U (en) * | 2018-07-23 | 2019-01-15 | 大冶特殊钢股份有限公司 | A kind of system of high voltage nodes temperature detection |
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2018
- 2018-07-23 CN CN201810810774.9A patent/CN108801469A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
| CN103607528A (en) * | 2013-11-11 | 2014-02-26 | 成都市晶林电子技术有限公司 | Active infrared camera |
| CN204461612U (en) * | 2015-03-13 | 2015-07-08 | 国家电网公司 | The infrared optical fiber wired remote warning device of dry-type transformer hot stall |
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Effective date of registration: 20200415 Address after: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Applicant after: Daye Special Steel Co., Ltd Address before: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Applicant before: DAYE SPECIAL STEEL Co.,Ltd. |
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