CN209605976U - A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device - Google Patents
A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device Download PDFInfo
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- CN209605976U CN209605976U CN201920120344.4U CN201920120344U CN209605976U CN 209605976 U CN209605976 U CN 209605976U CN 201920120344 U CN201920120344 U CN 201920120344U CN 209605976 U CN209605976 U CN 209605976U
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- cable connection
- connection terminal
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- reader
- acoustic wave
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- Gas-Insulated Switchgears (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device, 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 utility model is installed, is easy to maintain, and structure is simple, reliable, and passive and wireless temperature monitoring may be implemented.
Description
Technical field
The utility model relates to a kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device, in particular to one kind is based on
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.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of Medium Voltage Switchgear cable company
Terminal temperature monitoring device is connect, 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 utility model is:
A kind of switchgear cable connection terminal temperature monitoring device, which is characterized in that including reader, reader antenna,
Cable connection 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 switch
In cabinet；
The surface acoustic wave sensor component includes surface acoustic wave sensor, circuit board and sensor antenna, the sound table
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 utility model also provides the working method of above-mentioned switchgear cable connection terminal temperature monitoring device, comprising:
The reader emits signal by reader antenna, and sensor antenna receives the signal from the reader, and described in
Feedback signal, to surface acoustic wave sensor, is passed through electricity by energy conversion surface acoustic wave sensor by board transmission by signal
Road plate is transferred to sensor antenna, and sensor antenna sends the feedback signal to reader antenna, and it is anti-that reader antenna receives this
Feedback signal is simultaneously transferred to reader, and reader obtains the state of temperature of respective cable connection terminal by the feedback signal.
The utility model has the advantages that Medium Voltage Switchgear cable connection terminal temperature monitoring device provided by the utility model, by using
Surface acoustic wave sensor component is embedded in cable connection terminal, solves traditional switch by passive wireless acoustic surface wave sensing technology
The problem of cabinet temperature-independent scene personal monitoring's low efficiency, realizes monitoring long-range, in real time, safe.It has the advantage that not only
It can guarantee the normal operation of switch cabinet equipment, and cable connection terminal temperature can be monitored at any time, effectively prevent
The generation of electric cable heating accident greatly improves the power supply reliability of switchgear, can effectively solve the problems in background technique.Tool
There is 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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
Embodiment 1
A kind of switchgear cable connection terminal temperature monitoring device, which is characterized in that including reader 1, reader antenna
2, cable connection 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, which is located at, to be opened
It closes in cabinet；
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 the utility model switchgear cable connection terminal temperature monitoring device, comprising: the reader 1 is logical
It crosses reader antenna 2 and emits signal, sensor antenna 7 receives the signal from the reader, and the signal is passed through electricity
Road plate 5 is transferred to surface acoustic wave sensor 6, and feedback signal is passed by circuit board 5 by energy conversion surface acoustic wave sensor 6
It is defeated by sensor antenna 7, sensor antenna 7 sends the feedback signal to reader antenna 2, and reader antenna 2 receives the feedback
Signal is simultaneously transferred to reader 1, and 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 utility model, structure is simple,
Reliably, and passive and wireless monitoring may be implemented, 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 utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (5)
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；
The surface acoustic wave sensor component is integrated moulding by casting structure with cable connection terminal；
The cable connection terminal includes the insulator integrated cast structure of intermediate copper post and periphery；
The reader antenna is the circular arc chip architecture matched with the copper post circumferencial direction of cable connection terminal, the sound surface
Wave sensor component is fastened on the copper post circumferencial direction of cable connection terminal by reader antenna, then passes through cable connection end
The insulator at end is poured the insulator integrated cast structure to form periphery, and surface acoustic wave sensor component is embedded in cable connection terminal
Portion.
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 and sensor antenna are welded on same circuit board.
4. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the reader
Antenna and reader wired connection.
5. switchgear cable connection terminal temperature monitoring device according to claim 1, which is characterized in that the reader
Antenna uses PIFA plate aerial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120344.4U CN209605976U (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120344.4U CN209605976U (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN209605976U true CN209605976U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920120344.4U Active CN209605976U (en) | 2019-01-24 | 2019-01-24 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217175A (en) * | 2019-11-18 | 2021-01-12 | 国网江苏省电力有限公司南通供电分公司 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
-
2019
- 2019-01-24 CN CN201920120344.4U patent/CN209605976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217175A (en) * | 2019-11-18 | 2021-01-12 | 国网江苏省电力有限公司南通供电分公司 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
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Effective date of registration: 20200810 Address after: No. 588-590, Tianshan West Road, Changning District, Shanghai, 200335 Co-patentee after: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Patentee after: Shanghai Zhixin Intelligent Electric Co., Ltd Co-patentee after: SHANGHAI ZHIXIN ELECTRIC Co.,Ltd. Address before: 200030 Hongqiao Road, Changning District, Shanghai 2239 Co-patentee before: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Patentee before: SHANGHAI ZHIXING ELECTRIC Co.,Ltd. Co-patentee before: SHANGHAI ZHIXIN ELECTRIC Co.,Ltd. |