CN109781297A - A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method - Google Patents
A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method Download PDFInfo
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- CN109781297A CN109781297A CN201910067349.XA CN201910067349A CN109781297A CN 109781297 A CN109781297 A CN 109781297A CN 201910067349 A CN201910067349 A CN 201910067349A CN 109781297 A CN109781297 A CN 109781297A
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- connection terminal
- cable connection
- reader
- antenna
- acoustic wave
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010897 surface acoustic wave method Methods 0.000 claims abstract description 43
- 238000005266 casting Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000011514 reflex Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention discloses a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method, device includes reader, reader antenna, cable connection terminal, surface acoustic wave sensor component；Surface acoustic wave sensor component is installed inside cable connection terminal, is formed using integrated casting；Surface acoustic wave sensor component includes surface acoustic wave sensor, circuit board and sensor antenna, and surface acoustic wave sensor, sensor antenna and circuit board connect；Reader antenna is connect with reader；Wireless signal connects between the reader antenna and sensor antenna.When work reader by reader antenna to sensor antenna emit signal, sensor obtain temperature information after by signal reflex return reader, after reader is handled obtain cable connection terminal temperature.The present invention installs, is easy to maintain, and structure is simple, reliable, and passive and wireless temperature monitoring may be implemented.
Description
Technical field
The present invention relates to a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method, in particular to a kind of base
In the Medium Voltage Switchgear cable connection terminal temperature monitoring device of passive wireless acoustic surface wave technology.
Background technique
Digitlization and Intelligent transformer station have been increasingly becoming mainstream, as electric system three collects the construction of five big systems, become
Electric O&M class workload is increased compared in the past, and in peak hours or when meeting peak and crossing the summer, the main work of O&M class is exactly
To the patrol temperature measurement of equipment, heat generating spot is found in time, and hidden danger was eliminated in the early stage of development.Since cable connects in Medium Voltage Switchgear
Line terminals amplexiform the deviation of cooperation, and conductive area accordingly reduces, and cause cable connecting terminals to generate heat when load increases, Er Qieyou
In insulation the considerations of terminal current-carrying part be all sealed in insulation sleeve, it is not easy to radiate.With the increase of power load, by electricity
Accident caused by cable end generates heat increases year by year, especially at 10kV switchgear cable connector, becomes the severely afflicated area of fever, due to
The sealing of 10kV switchgear rear cover, the common infrared radiation thermometer of inspection, which can not penetrate, to be measured.After haveing such failure, entirely
Switchgear need to have a power failure replacement, seriously affect stability, the reliability of power supply, while having a power failure and also bringing biggish economic loss.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, it is whole that the present invention provides a kind of Medium Voltage Switchgear cable connection
Hold temperature monitoring device and method, the temperature monitoring suitable for Medium Voltage Switchgear cable connection terminal.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of switchgear cable connection terminal temperature monitoring device, which is characterized in that including reader, reader antenna, cable
Connect terminal, surface acoustic wave sensor component；
Surface acoustic wave sensor component is installed inside the cable connection terminal；The cable connection terminal is located at switchgear
It is interior；
The surface acoustic wave sensor component includes surface acoustic wave sensor, circuit board and sensor antenna, the surface acoustic wave
Sensor, sensor antenna and circuit board connect；
The reader antenna is connect with reader；
Wireless signal connects between the reader antenna and sensor antenna.
Preferably, the switchgear cable connection terminal temperature monitoring device, which is characterized in that the reading
Device antenna is connected with magnet, and reader antenna is adsorbed on switch cabinet wall by magnet.
Preferably, the switchgear cable connection terminal temperature monitoring device, which is characterized in that the sound table
Wave sensor component is integrated moulding by casting structure with cable connection terminal.
Preferably, the cable connection terminal includes the insulator integrated cast structure of intermediate copper post and periphery.
Further, the reader antenna is the arc plate knot matched with the copper post circumferencial direction of cable connection terminal
Structure, the surface acoustic wave sensor component are fastened on the copper post circumferencial direction of cable connection terminal by reader antenna, then
It is poured the insulator integrated cast structure to form periphery by the insulator of cable connection terminal, surface acoustic wave sensor component is embedded in
Inside cable connection terminal.
Preferably, the switchgear cable connection terminal temperature monitoring device, which is characterized in that the sound table
Wave sensor and sensor antenna are welded on same circuit board.
Preferably, the switchgear cable connection terminal temperature monitoring device, which is characterized in that the reading
Device antenna and reader wired connection.
Preferably, the switchgear cable connection terminal temperature monitoring device, which is characterized in that the reading
Device antenna uses PIFA plate aerial.
The present invention also provides the working methods of above-mentioned switchgear cable connection terminal temperature monitoring device, comprising: described
Reader emits signal by reader antenna, and sensor antenna receives the signal from the reader, and the signal
By board transmission to surface acoustic wave sensor, feedback signal is passed through circuit board by energy conversion surface acoustic wave sensor
It is transferred to sensor antenna, sensor antenna sends the feedback signal to reader antenna, and reader antenna receives the feedback letter
Number and be transferred to reader, reader passes through the feedback signal, obtains the state of temperature of respective cable connection terminal.
The utility model has the advantages that Medium Voltage Switchgear cable connection terminal temperature monitoring device provided by the invention and method, by adopting
With passive wireless acoustic surface wave sensing technology, surface acoustic wave sensor component is embedded in cable connection terminal, tradition is solved and opens
The problem of closing cabinet temperature-independent scene personal monitoring's low efficiency realizes monitoring long-range, in real time, safe.It has the advantage that not
It can only guarantee the normal operation of switch cabinet equipment, and cable connection terminal temperature can be monitored at any time, it is effectively pre-
The generation of anti-electric cable heating accident, greatly improves the power supply reliability of switchgear, can effectively solve the problems in background technique.
With installation, easy to maintain, structure is simple, reliable, and passive and wireless monitoring and other advantages may be implemented.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Medium Voltage Switchgear cable connection terminal temperature monitoring device of embodiment；
Fig. 2 is installation diagram of the surface acoustic wave sensor component of embodiment in cable connection terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
Embodiment 1
A kind of switchgear cable connection terminal temperature monitoring device, which is characterized in that including reader 1, reader antenna 2, electricity
Cable connects terminal 4, surface acoustic wave sensor component；
Surface acoustic wave sensor component is installed inside the cable connection terminal 4；The cable connection terminal 4 is located at switchgear
It is interior；
The surface acoustic wave sensor component includes surface acoustic wave sensor 6, circuit board 5 and sensor antenna 7, the sound surface
Wave sensor 6, sensor antenna 7 are connect with circuit board 5；
The reader antenna 2 is connect with 1 signal of reader；
Wireless signal connects between the reader antenna 2 and sensor antenna 7.
In some embodiments, as shown in Figure 1, a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device, including
Reader 1, reader antenna 2, magnet 3, cable connection terminal 4, circuit board 5, surface acoustic wave sensor 6 and sensor antenna 7.
Cable connection terminal 4 is mounted in Medium Voltage Switchgear, and passive wireless acoustic surface wave biography is equipped with inside the cable connection terminal 4
Sensor component, the passive wireless surface acoustic wave sensor component include surface acoustic wave sensor 6, circuit board 5 and sensor day
Line 7.The surface acoustic wave sensor 6, sensor antenna 7 are connect with circuit board 5.The reader antenna 2 is connected with magnet
3, reader antenna 2 is adsorbed on switch cabinet wall by magnet 3.The reader antenna 2 and 1 wired connection of reader.Institute
Wireless signal between reader antenna 2 and sensor antenna 7 is stated to connect.Passive wireless surface acoustic wave sensor component is embedded in cable
It connects in terminal, is energized without power supply.
In some embodiments, as shown in Fig. 2, the surface acoustic wave sensor component is integrated with cable connection terminal 4
Change moulding by casting structure.The cable connection terminal 4 includes the insulator integrated cast structure 42 of intermediate copper post 41 and periphery.
In some embodiments, as shown in Figure 1 and Figure 2, the reader antenna 2 is the copper post 41 with cable connection terminal
The circular arc chip architecture that circumferencial direction matches, the surface acoustic wave sensor component are fastened on cable company by reader antenna 2
41 circumferencial direction of copper post of terminal is connect, the insulator casting to form periphery is then poured by the insulator of cable connection terminal 4
Surface acoustic wave sensor component is embedded in inside cable connection terminal 4 by structure 42.
Further, the surface acoustic wave sensor 6 and sensor antenna 7 are welded on same circuit board 5.And it senses
Device antenna 7 increases donut-shaped radiation piece, has not only improved the radiance and communication distance of antenna, but also take full advantage of cable connection
The Copper column structure of terminal is conducive to integrated casting.
Further, the reader antenna 2 uses PIFA plate aerial.
The working method of switchgear cable connection terminal temperature monitoring device of the present invention, comprising: the reader 1 is by readding
It reads device antenna 2 and emits signal, sensor antenna 7 receives the signal from the reader, and the signal is passed through circuit board 5
It is transferred to surface acoustic wave sensor 6, feedback signal is transferred to by circuit board 5 by energy conversion surface acoustic wave sensor 6
Sensor antenna 7, sensor antenna 7 send the feedback signal to reader antenna 2, and reader antenna 2 receives the feedback signal
And it is transferred to reader 1, reader obtains the state of temperature of respective cable connection terminal by the feedback signal.
When specifically used, reader 1 receives inquiry letter by the transmitting inquiry signal of reader antenna 2, sensor antenna 7
Signal is passed into circuit board 5 and surface acoustic wave sensor 6 after number, surface acoustic wave sensor 6 is integrated with cable connection terminal 4
Casting, when 4 temperature change of cable connection terminal, surface acoustic wave sensor 6 can be quickly detected the temperature of cable connection terminal 4
Information is spent, and the temperature information that will test is sent to reader antenna 2 by sensor antenna 7, reader 1 passes through reader
Antenna 2 receives temperature signal.
In conclusion a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device of the invention and method, structure letter
It is single, reliable, and passive and wireless monitoring may be implemented, it installs, is easy to maintain.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of switchgear cable connection terminal temperature monitoring device, which is characterized in that including reader, reader antenna, electricity
Cable connects terminal, surface acoustic wave sensor component；
Surface acoustic wave sensor component is installed inside the cable connection terminal；The cable connection terminal is located at switchgear
It is interior；
The surface acoustic wave sensor component includes surface acoustic wave sensor, circuit board and sensor antenna, the surface acoustic wave
Sensor, sensor antenna and circuit board connect；
The reader antenna is connect with reader；
Wireless signal connects between the reader antenna and sensor antenna.
2. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the reader
Antenna is connected with magnet, and reader antenna is adsorbed on switch cabinet wall by magnet.
3. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the sound surface
Wave sensor component is integrated moulding by casting structure with cable connection terminal.
4. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the cable connects
Connect the insulator integrated cast structure that terminal includes intermediate copper post and periphery.
5. switchgear cable connection terminal temperature monitoring device according to claim 4, which is characterized in that the reader
Antenna is the circular arc chip architecture matched with the copper post circumferencial direction of cable connection terminal, and the surface acoustic wave sensor component is logical
The copper post circumferencial direction that reader antenna is fastened on cable connection terminal is crossed, is then poured by the insulator of cable connection terminal
Surface acoustic wave sensor component is embedded in inside cable connection terminal by the insulator integrated cast structure for forming periphery.
6. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the sound surface
Wave sensor and sensor antenna are welded on same circuit board.
7. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the reader
Antenna and reader wired connection.
8. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the reader
Antenna uses PIFA plate aerial.
9. the working method of switchgear cable connection terminal temperature monitoring device according to claim 1-8,
It being characterized in that, the reader emits signal by reader antenna, and sensor antenna receives the signal from the reader,
And the signal is passed through board transmission to surface acoustic wave sensor, by energy conversion surface acoustic wave sensor feedback letter
Number by board transmission to sensor antenna, sensor antenna sends the feedback signal to reader antenna, reader antenna
It receives the feedback signal and is transferred to reader, reader obtains the temperature of respective cable connection terminal by the feedback signal
Degree state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067349.XA CN109781297A (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067349.XA CN109781297A (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109781297A true CN109781297A (en) | 2019-05-21 |
Family
ID=66501231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067349.XA Pending CN109781297A (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method |
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| CN (1) | CN109781297A (en) |
Citations (7)
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|---|---|---|---|---|
| CN201757684U (en) * | 2009-10-14 | 2011-03-09 | 武汉烽火富华电气有限责任公司 | Acoustic surface wave temperature sensing system used for buried cable |
| CN102427160A (en) * | 2011-08-10 | 2012-04-25 | 南京信息职业技术学院 | Conformal antenna used for cylindrical carrier and application method thereof |
| CN104374490A (en) * | 2014-11-17 | 2015-02-25 | 王东方 | Passive wireless temperature monitoring lantern ring for metal bearing |
| CN107302127A (en) * | 2017-05-04 | 2017-10-27 | 张颖松 | A kind of small multi-frequency broadband crush bushings antenna for mobile communication |
| CN109141680A (en) * | 2018-10-31 | 2019-01-04 | 劭行（苏州）智能科技有限公司 | Ring network cabinet temperature of cable junction sensor-based system |
| CN109141679A (en) * | 2018-10-31 | 2019-01-04 | 劭行（苏州）智能科技有限公司 | The reader system of ring network cabinet temp measuring system |
| CN109186808A (en) * | 2018-10-31 | 2019-01-11 | 劭行（苏州）智能科技有限公司 | The temperature wireless sensor-based system of ring network cabinet |
-
2019
- 2019-01-24 CN CN201910067349.XA patent/CN109781297A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757684U (en) * | 2009-10-14 | 2011-03-09 | 武汉烽火富华电气有限责任公司 | Acoustic surface wave temperature sensing system used for buried cable |
| CN102427160A (en) * | 2011-08-10 | 2012-04-25 | 南京信息职业技术学院 | Conformal antenna used for cylindrical carrier and application method thereof |
| CN104374490A (en) * | 2014-11-17 | 2015-02-25 | 王东方 | Passive wireless temperature monitoring lantern ring for metal bearing |
| CN107302127A (en) * | 2017-05-04 | 2017-10-27 | 张颖松 | A kind of small multi-frequency broadband crush bushings antenna for mobile communication |
| CN109141680A (en) * | 2018-10-31 | 2019-01-04 | 劭行（苏州）智能科技有限公司 | Ring network cabinet temperature of cable junction sensor-based system |
| CN109141679A (en) * | 2018-10-31 | 2019-01-04 | 劭行（苏州）智能科技有限公司 | The reader system of ring network cabinet temp measuring system |
| CN109186808A (en) * | 2018-10-31 | 2019-01-11 | 劭行（苏州）智能科技有限公司 | The temperature wireless sensor-based system of ring network cabinet |
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| Title |
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Effective date of registration: 20200813 Address after: No. 588-590, Tianshan West Road, Changning District, Shanghai, 200335 Applicant after: Shanghai Zhixin Intelligent Electric Co., Ltd Applicant after: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Applicant after: SHANGHAI ZHIXIN ELECTRIC Co.,Ltd. Address before: 200030 Hongqiao Road, Changning District, Shanghai 2239 Applicant before: SHANGHAI ZHIXING ELECTRIC Co.,Ltd. Applicant before: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Applicant before: SHANGHAI ZHIXIN ELECTRIC Co.,Ltd. |
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