CN207689035U - A kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave - Google Patents
A kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave Download PDFInfo
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- CN207689035U CN207689035U CN201721299988.1U CN201721299988U CN207689035U CN 207689035 U CN207689035 U CN 207689035U CN 201721299988 U CN201721299988 U CN 201721299988U CN 207689035 U CN207689035 U CN 207689035U
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- surface acoustic
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- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 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 abstract description 15
- 238000004140 cleaning Methods 0.000 claims description 22
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 21
- 210000000078 claw Anatomy 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave, is related to a kind of electrical equipment detection device.It solves the problems, such as that remote electrical devices are difficult to measure in the prior art.Based on the temperature on-line detection device of the outdoor electrical equipment of surface acoustic wave, including SAW Temperature Sensors, the fixing device of fixed SAW Temperature Sensors, SAW Temperature Sensors include chip, heat-conductivity ceramic circuit board, helical antenna, the chip is arranged on heat-conductivity ceramic circuit board, helical antenna is fixed on heat-conductivity ceramic circuit board and is connect with antenna connection terminal on chip, the fixing device includes pedestal and shell, SAW Temperature Sensors are arranged on pedestal, shell is provided on pedestal, SAW Temperature Sensors are closed inside the shell.The utility model is small, is not necessarily to external power supply, has waterproof and insulate characteristic, is suitable for outdoor high voltage environment thermometric.
Description
Technical field
The utility model belongs to technical field of electric equipment, especially a kind of electrical equipment detection device.
Background technology
Electrical equipment is complicated, once the usual component that breaks down has damaged, it is difficult to predict in advance.Usually breaking down
Before, phenomena such as position broken down generally will appear fever, such as if part occurs in some position on overhead electric power transmission line
It damages usual resistance just to will increase, to which temperature increases, if it is possible to it finds to can avoid excessive loss in time, but due to defeated
The features such as electrical equipments such as electric wire are complicated, distribution is wide, personnel are not accessible so that detection is extremely inconvenient.
Traditional temp measuring method, such as infrared measurement of temperature, active sensor thermometric, optical fiber class thermometric, do to a certain extent
The detection and monitoring to device temperature have been arrived, but has all been come with some shortcomings.Infrared measurement of temperature can only be that indirect type measures testee
Temperature, and many key positions cannot all detect, and infrared measurement of temperature is sensitive to environmental factor, is less compliant in outdoor real
When monitoring device key point.Active class temperature sensor needs battery powered, and the service life of battery is by external environments such as temperature
It is affected, while active class sensor internal contains a large amount of IC devices, a large amount of device reduces active temperature sensor and exists
Outdoor reliability of operation.
Sensor based on " surface acoustic wave " technological development has the feature of passive and wireless simultaneously and can work in strong magnetic, strong
In the adverse circumstances such as radiation, forceful electric power.By integrating surface acoustic wave techniques, intelligent identification technology, High speed data acquisition, intelligence
Control technology, network communication technology, computer software technology, MEMS technology develop Outdoor Trusses For Transformer Substation equipment surface acoustic wave intelligence
In-Line Temperature Measure System, the temperature of real-time watch device key position, intelligent data analysis processing and the functions such as automatic early-warning, can be with
It effectively solves the problems, such as that conventional measurement is gentle and is improving Enterprise Integrated management performance.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of based on surface acoustic wave
The temperature on-line detection device of outdoor electrical equipment, based on the temperature on-line detection device of the outdoor electrical equipment of surface acoustic wave
The temperature of electrical equipment can easily be measured in real time using passive element remote.
The purpose of this utility model can be realized by following technical proposal：A kind of open air based on surface acoustic wave is electrical
The temperature on-line detection device of equipment includes the fixed dress of SAW Temperature Sensors, fixed SAW Temperature Sensors
It sets, SAW Temperature Sensors include chip, heat-conductivity ceramic circuit board, helical antenna, and the chip is arranged in thermal conductive ceramic
On circuit board, helical antenna is fixed on heat-conductivity ceramic circuit board and is connect with antenna connection terminal on chip, the fixation
Device includes pedestal and shell, and SAW Temperature Sensors are arranged on pedestal, and shell, surface acoustic wave temperature are provided on pedestal
Spend sensor closing inside the shell.Need which position pedestal is just fixed on by the temperature for detecting which position.By in heat conduction
Equipment sound table temperature sensor chip on ceramic circuit board, after sealing lid so that this temperature sensor is in addition to passive
Outside radio characteristics, it is also equipped with waterproof, the characteristics such as insulation.It is that sound table temperature sensor carries that antenna on wiring board, which captures electromagnetic wave,
For energy, sound table temperature sensor is converted into the temperature information detected to send out by antenna after electromagnetic wave.The sound surface
Wave temperature sensor is arranged on cable crawl device, and the cable crawl device includes two sets being slidably sleeved on cable
Ring is provided with two-way shape memory alloy spring between two lantern rings, and the internal chamber wall of two lantern rings is circumferentially disposed flexible
Claw, the claw are obliquely installed with respect to length of cable direction, and the claw inclined direction on two lantern rings is identical, surface acoustic wave temperature
On the lantern ring that degree sensor is arranged on cable crawl device.The variation of the fluctuation such as day and night temperature of environment temperature makes double
Dilatation occurs for journey shape memory alloy spring, and due to the presence of elastic card claw, claw principle is equivalent to pawl so that cable
Crawl device can only be along one direction rake row of cable.Cable crawl device carries sensor and moves up dynamic in cable to realize to cable
The inspection of different parts, and when the temperature in somewhere is significantly higher, exceed critical turn of two-way shape memory alloy spring
When temperature, two-way shape memory alloy spring will not deform upon, so that cable crawl device position is fixed, so that
SAW Temperature Sensors position is fixed, and ensures the position of continuous report temperature exception, also allows for searching abort situation.
The cleaning ring of sliding being sleeved on cable is provided on lantern ring, the cleaning ring inner wall is provided with the hair contacted with cable surface
Brush, hairbrush to be utilized to realize the cleaning to cable surface when cable crawl device moves.
In the temperature on-line detection device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, each claw includes inclining
Opposite symmetrical two pawls of tilted direction refer to, and it is two-way shape memory alloy that each pawl, which refers to, the phase transformation that symmetrical two pawls refer to
In low temperature, another is arranged in high temperature one setting of temperature so that when the low temperature or high-temperature phase-change temperature spot higher or lower than setting
When the pawl refer to contraction or stretching, to change the distance of stretch out and draw back that pawl refers to opposite lantern ring radial direction, to control at different temperatures not
Pawl with inclined direction refers to and cable contact, to the temperature in the direction of creeping of controlling cable crawl device, such as winter and summer
Under creep direction difference.
In the temperature on-line detection device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, the cable crawl device
The lantern ring being sleeved on cable is three or three or more lantern rings, is connected by two-way shape memory alloy spring between lantern ring, and
And by the phase transition temperature of two-way shape memory alloy spring difference between lantern ring, to increase two-way shape memory alloy spring
Variation range so that have spring that can deform that cable crawl device is driven to move under a variety of different day and night temperatures variations
It is dynamic.
In the temperature on-line detection device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, each claw includes inclining
Opposite symmetrical two pawls of tilted direction refer to, and each pawl refers to root and connect with lantern ring, and adjusting bolt is by screw-thread fit in lantern ring
On, the end of adjusting bolt corresponds to pawl and refers to middle part, and adjusting bolt can be in lantern ring radial expansion, adjusting bolt when being rotated on lantern ring
Bolt head is realized and so that pawl refers to warpage to the pushing tow that pawl refers to, when the non-pushing tow of adjusting bolt, pawl refers under the elastic force of itself close to set
Ring arm does not play pawl, makes the pawl of different inclined directions refers to stretch to play pawl by adjusting different adjusting bolts
Effect, to controlling cable crawl device moving direction.
In the temperature on-line detection device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, the cleaning ring and set
Bearing is provided between ring so that cleaning ring can be freely rotated with respect to lantern ring, to realize better cleaning effect.
In the temperature on-line detection device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, it is arranged on cleaning ring
There is blade, in order to realize the better rotation of cleaning ring using wind-force.
Compared with prior art, have based on the temperature on-line detection device of the outdoor electrical equipment of surface acoustic wave following
Advantage：
1, the utility model sound table temperature sensor chip is used for perceiving the temperature of testee.Entire surface acoustic wave temperature
Working sensor works in the mode of passive and wireless, captures the electromagnetic wave of special frequency as work capacity, while returning and taking
Extraordinary electromagnetic wave with temperature information.
2, the utility model solves traditional temperature sensor and cannot possess simultaneously outside passive, wireless characteristic, also have
For waterproof, the requirement of insulation.
3, the utility model it is small, it is light-weight, without external power supply, wireless mode work, have waterproof and insulate spy
Property, it is suitable for outdoor high voltage environment thermometric.
Description of the drawings
Fig. 1 is the structural schematic diagram of SAW Temperature Sensors；
Fig. 2 is the shell schematic diagram of sensor；
Fig. 3 is the schematic diagram of embodiment one；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is the schematic diagram with cleaning ring of embodiment 1
Fig. 6 is the schematic diagram of embodiment two；
Fig. 7 is a kind of schematic diagram in direction of creeping of cable crawl device；
Fig. 8 is that the another kind of cable crawl device is creeped the schematic diagram in direction；
Fig. 9 is that there are three the cable crawl device schematic diagrames of lantern ring for tool；
Figure 10 is the schematic diagram of embodiment three.
In figure, chip 1, heat-conductivity ceramic circuit board 2, helical antenna 3, pedestal 4, shell 5, cable 6, lantern ring 7, round trip shape
Memory alloy spring 8, claw 9, the first pawl refer to the 91, second pawl and refer to 92, adjusting bolt 10, cleaning ring 11, hairbrush 12, blade 13.
Specific implementation mode
It is specific embodiment of the utility model below, and the technical solution of the utility model is made further in conjunction with attached drawing
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Fig. 1,2,3,4,5, a kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave, packet
The fixing device of SAW Temperature Sensors, fixed SAW Temperature Sensors is included, SAW Temperature Sensors include
Chip 1, heat-conductivity ceramic circuit board 2, helical antenna 3, the chip are arranged on heat-conductivity ceramic circuit board, and helical antenna is fixed on
It is connect on heat-conductivity ceramic circuit board and with antenna connection terminal on chip, the fixing device includes pedestal 4 and shell 5, sound
Surface wave temperature sensor is arranged on pedestal, and shell is provided on pedestal, and SAW Temperature Sensors are closed inside the shell.
Need which position pedestal is just fixed on by the temperature for detecting which position.Pass through the equipment sound table temperature on heat-conductivity ceramic circuit board
Sensor chip is spent, after sealing lid so that this temperature sensor is also equipped with anti-other than with passive and radio characteristics
Water, the characteristics such as insulation.Antenna on wiring board captures electromagnetic wave and provides energy, sound table temperature sensor for sound table temperature sensor
The temperature information detected is converted into sending out by antenna after electromagnetic wave.
The SAW Temperature Sensors are arranged on 6 crawl device of cable, and the cable crawl device includes slidable
Two lantern rings 7 being sleeved on cable are provided with two-way shape memory alloy spring 8, the inner cavity of two lantern rings between two lantern rings
The circumferentially disposed flexible claw 9 of wall, the claw are obliquely installed with respect to length of cable direction, and the claw on two lantern rings inclines
Tilted direction is identical, on the lantern ring that SAW Temperature Sensors are arranged on cable crawl device.The fluctuation example of environment temperature
If the variation of day and night temperature makes two-way shape memory alloy spring that dilatation occur, due to the presence of elastic card claw, claw
Principle is equivalent to pawl so that cable crawl device can only be along one direction rake row of cable.Cable crawl device carries sensor and exists
It is mobile to realize the inspection to cable different parts on cable, and when the temperature in somewhere is significantly higher, exceed round trip
When the critical transition temperature of shape memory alloy spring, two-way shape memory alloy spring will not deform upon, so that line
Cable crawl device position is fixed, so that SAW Temperature Sensors position is fixed, ensures continuous report temperature exception
Position also allows for searching abort situation.
Further, the cleaning ring 11 of sliding being sleeved on cable is provided on lantern ring, the cleaning ring inner wall is provided with
The hairbrush 12 contacted with cable surface, hairbrush to be utilized to realize to the clear of cable surface when cable crawl device moves
It is clean.
Further, it is provided with bearing between cleaning ring and the lantern ring so that cleaning ring can be freely rotated with respect to lantern ring, with
Just better cleaning effect is realized.It is provided with blade 13 on cleaning ring, in order to realize the better of cleaning ring using wind-force
Rotation.
Embodiment two
As shown in Fig. 6,7,8,9, unlike embodiment two, each claw includes opposite symmetrical two of inclined direction
A pawl refers to, and is defined as the first pawl and refers to the 91, second pawl referring to 92, and it is two-way shape memory alloy that each pawl, which refers to, symmetrical two pawls
In low temperature, another is arranged in high temperature for one setting of phase transition temperature of finger so that when the low temperature or high-temperature-phase higher or lower than setting
The pawl refers to contraction or stretching when temperature point, to change the distance of stretch out and draw back that pawl refers to opposite lantern ring radial direction, in different temperatures
The lower pawl for controlling different inclined directions refers to and cable contact, to the direction of creeping of controlling cable crawl device, such as winter and summer
It temperature creep direction difference.
Further, it is three or three or more lantern rings that the cable crawl device, which is sleeved on the lantern ring on cable, is led between lantern ring
Cross two-way shape memory alloy spring connection, and between lantern ring by the phase transition temperature of two-way shape memory alloy spring not
Together, to increase the variation range of two-way shape memory alloy spring so that have under a variety of different day and night temperatures variations
Spring can deform that cable crawl device is driven to move.
Embodiment three
As illustrated in fig. 10, unlike the embodiments above, each claw includes opposite symmetrical two of inclined direction
Pawl refers to, and each pawl refers to root and connect with lantern ring, and by screw-thread fit on lantern ring, the end of adjusting bolt corresponds to adjusting bolt 10
Pawl refers to middle part, and adjusting bolt can realize the top referred to pawl when being rotated on lantern ring in lantern ring radial expansion, the bolt head of adjusting bolt
It pushing away so that pawl refers to warpage, when the non-pushing tow of adjusting bolt, pawl refers under the elastic force of itself close to set ring arm, does not play pawl,
Make the pawl of different inclined directions refers to stretch to play the role of pawl by adjusting different adjusting bolts, to which controlling cable is climbed
The moving direction of row device.
Although some terms are used more herein, it does not preclude the possibility of using other terms.Use these
Term is used for the purpose of more easily describing and explaining the essence of the utility model；It is construed as the additional limit of any type
System is all contrary to the spirit of the present invention.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave, including surface acoustic wave temperature sensing
The fixing device of device, fixed SAW Temperature Sensors, which is characterized in that SAW Temperature Sensors include chip, lead
Thermal Ceramics circuit board, helical antenna, the chip are arranged on heat-conductivity ceramic circuit board, and helical antenna is fixed on thermal conductive ceramic electricity
It is connect on the plate of road and with antenna connection terminal on chip, the fixing device includes pedestal and shell, and surface acoustic wave temperature passes
Sensor is arranged on pedestal, and shell is provided on pedestal, and SAW Temperature Sensors are closed inside the shell；The surface acoustic wave
Temperature sensor is arranged on cable crawl device, and the cable crawl device includes two lantern rings being slidably sleeved on cable,
Two-way shape memory alloy spring, the circumferentially disposed flexible card of internal chamber wall of two lantern rings are provided between two lantern rings
Pawl, the claw are obliquely installed with respect to length of cable direction, and the claw inclined direction on two lantern rings is identical, surface acoustic wave temperature
On the lantern ring that sensor is arranged on cable crawl device；The cleaning ring of sliding being sleeved on cable is provided on lantern ring,
The cleaning ring inner wall is provided with the hairbrush contacted with cable surface.
2. the temperature on-line detection device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, feature
It is, each claw includes that opposite symmetrical two pawls of inclined direction refer to, and it is two-way shape memory alloy that each pawl, which refers to, right
In low temperature, another is arranged in high temperature for one setting of phase transition temperature that two pawls claimed refer to.
3. the temperature on-line detection device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, feature
It is, it is three or three or more lantern rings that the cable crawl device, which is sleeved on the lantern ring on cable, passes through round trip shape between lantern ring
Memory alloy spring connects, and passes through the phase transition temperature of two-way shape memory alloy spring difference between lantern ring.
4. the temperature on-line detection device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, feature
It is, each claw includes that opposite symmetrical two pawls of inclined direction refer to, and each pawl refers to root and connect with lantern ring, adjusting bolt
By screw-thread fit on lantern ring, the end of adjusting bolt corresponds to pawl and refers to middle part, and adjusting bolt can covered when being rotated on lantern ring
The nut realization of ring radial expansion, adjusting bolt makes pawl refer to warpage the pushing tow that pawl refers to.
5. the temperature on-line detection device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, feature
It is, bearing is provided between cleaning ring and the lantern ring so that cleaning ring can be freely rotated with respect to lantern ring.
6. the temperature on-line detection device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, feature
It is, blade is provided on cleaning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299988.1U CN207689035U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299988.1U CN207689035U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave |
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| Publication Number | Publication Date |
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| CN207689035U true CN207689035U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721299988.1U Active CN207689035U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature on-line detection device of the outdoor electrical equipment based on surface acoustic wave |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686007A (en) * | 2018-07-04 | 2020-01-14 | 湖南大学 | Active variable-stiffness air bearing based on SMA spring |
| CN113514157A (en) * | 2021-04-28 | 2021-10-19 | 河南四达电力设备股份有限公司 | Cable local temperature monitoring device capable of automatically sliding |
-
2017
- 2017-10-10 CN CN201721299988.1U patent/CN207689035U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686007A (en) * | 2018-07-04 | 2020-01-14 | 湖南大学 | Active variable-stiffness air bearing based on SMA spring |
| CN110686007B (en) * | 2018-07-04 | 2021-04-02 | 湖南大学 | Active variable-stiffness air bearing based on SMA spring |
| CN113514157A (en) * | 2021-04-28 | 2021-10-19 | 河南四达电力设备股份有限公司 | Cable local temperature monitoring device capable of automatically sliding |
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