CN207689036U - A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave - Google Patents
A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave Download PDFInfo
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- CN207689036U CN207689036U CN201721299987.7U CN201721299987U CN207689036U CN 207689036 U CN207689036 U CN 207689036U CN 201721299987 U CN201721299987 U CN 201721299987U CN 207689036 U CN207689036 U CN 207689036U
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- temperature
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- acoustic wave
- surface acoustic
- temperature sensors
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Abstract
The utility model provides a kind of temperature-detecting 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-detecting 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, works without external power supply, wireless mode, 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-detecting device of outdoor electrical equipment, can be remote based on the temperature-detecting device of the outdoor electrical equipment of surface acoustic wave
Distance in real time easily measures the temperature of electrical equipment using passive element.
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-detecting device of equipment includes the fixing device of SAW Temperature Sensors, fixed SAW Temperature Sensors, sound
Surface wave temperature sensor includes chip, heat-conductivity ceramic circuit board, helical antenna, and the chip is arranged in heat-conductivity ceramic circuit board
On, helical antenna is fixed on heat-conductivity ceramic circuit board and is connect with antenna connection terminal on chip, the fixing device packet
Pedestal and shell are included, SAW Temperature Sensors are arranged on pedestal, and shell, surface acoustic wave temperature sensing are provided on pedestal
Device is closed inside the shell.Need which position pedestal is just fixed on by the temperature for detecting which position.By in thermal conductive ceramic electricity
Equipment sound table temperature sensor chip on the plate of road, after sealing lid so that this temperature sensor is in addition to passive and wireless
Outside characteristic, it is also equipped with waterproof, the characteristics such as insulation.Antenna on wiring board captures electromagnetic wave and provides energy for sound table temperature sensor
Amount, sound table temperature sensor are converted into the temperature information detected to send out by antenna after electromagnetic wave.With surface acoustic wave temperature
The fixing device for spending sensor is arranged on cable crawl device, and the cable crawl device includes the ripple of sliding being sleeved on cable
Pipe and lantern ring, the ripple tube cavity, which is provided with, to be varied with temperature and the gas of volume change or liquid, such as ether, bellows
Slidable two lantern rings being sleeved on cable are provided at both ends with, two-way shape memory alloy bullet is provided between two lantern rings
Spring, the circumferentially disposed flexible claw of internal chamber wall of two lantern rings, the claw are obliquely installed with respect to length of cable direction, and two
Claw inclined direction on a lantern ring is identical.Temperature environment temperature change makes bellows telescopic variation, due to elastic card claw
In the presence of claw principle is equivalent to pawl so that cable crawl device can only be along one direction rake row of cable.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, the surface acoustic wave temperature passes
Sensor is arranged on cable crawl device, the structure of the cable crawl device can also be including be slidably sleeved on cable two
A lantern 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 to have bullet
The claw of property, the claw are obliquely installed with respect to length of cable direction, and the claw inclined direction on two lantern rings is identical, sound surface
On the lantern ring that wave temperature sensor is arranged on cable crawl device.The variation of the fluctuation such as day and night temperature of environment temperature makes
It obtains two-way shape memory alloy spring and dilatation occurs, 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 carry sensor moved up in cable it is dynamic to realize pair
The inspection of cable different parts, and when the temperature in somewhere is significantly higher, exceed facing for two-way shape memory alloy spring
When boundary's transition temperature, two-way shape memory alloy spring will not deform upon, so that cable crawl device position is fixed, to
So that SAW Temperature Sensors position is fixed, ensure the position of continuous report temperature exception, also allows for searching fault bit
It sets.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, each claw includes inclination side
Refer to opposite symmetrical two pawls, it is two-way shape memory alloy that each pawl, which refers to, the phase transition temperature that symmetrical two pawls refer to
In low temperature, another is arranged in high temperature for one setting so that should when the low temperature or high-temperature phase-change temperature spot higher or lower than setting
Pawl refers to contraction or stretching, to change the distance of stretch out and draw back that pawl refers to opposite lantern ring radial direction, to which control difference is inclined at different temperatures
The pawl of tilted direction refers to and cable contact, to the direction of creeping of controlling cable crawl device, such as is climbed at a temperature of winter and summer
Line direction is different.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, the cable crawl device is sleeved on
Lantern ring on cable is three or three or more lantern rings, is connected by two-way shape memory alloy spring between lantern ring, and cover
By the phase transition temperature of two-way shape memory alloy spring difference between ring, to increase the change of two-way shape memory alloy spring
Change range so that have spring that can deform that cable crawl device is driven to move under a variety of different day and night temperature variations.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, each claw includes inclination side
Refer to opposite symmetrical two pawls, each pawl refers to root and connect with lantern ring, and adjusting bolt on lantern ring, is adjusted by screw-thread fit
The end of section bolt corresponds to pawl and refers to middle part, and adjusting bolt can be in lantern ring radial expansion, the bolt of adjusting bolt when being rotated on lantern ring
Head is realized so that pawl refers to warpage to the pushing tow that pawl refers to, and when the non-pushing tow of adjusting bolt, pawl refers under the elastic force of itself close to set ring arm,
Do not play pawl, makes the pawl of different inclined directions refer to the flexible work for playing pawl by adjusting different adjusting bolts
With to the moving direction of controlling cable crawl device.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, sliding is provided on lantern ring
The cleaning ring being sleeved on cable, the cleaning ring inner wall is provided with the hairbrush contacted with cable surface, to creep in cable
Device can utilize hairbrush to realize the cleaning to cable surface when moving.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, the cleaning ring and lantern ring it
Between be provided with bearing so that cleaning ring can be freely rotated with respect to lantern ring, to realize better cleaning effect.
In the temperature-detecting device of the above-mentioned outdoor electrical equipment based on surface acoustic wave, leaf is provided on cleaning ring
Piece, in order to realize the better rotation of cleaning ring using wind-force.
Compared with prior art, have based on the temperature-detecting device of the outdoor electrical equipment of surface acoustic wave following excellent
Point：
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 schematic diagram of embodiment two；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is the schematic diagram of embodiment three；
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 bellows cable crawl device schematic diagram of embodiment three；
Figure 11 is the schematic diagram of example IV；
Figure 12 is the schematic diagram with cleaning ring of example IV.
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 refer to 92, adjusting bolt 10, cleaning ring 11, hairbrush 12, blade 13,
Bellows 14, gas 15.
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 Figure 1, 2, 3, a kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave, including sound surface
The fixing device of wave temperature sensor, fixed SAW Temperature Sensors, SAW Temperature Sensors include chip 1, lead
Thermal Ceramics circuit board 2, helical antenna 3, the chip are arranged on heat-conductivity ceramic circuit board, and helical antenna is fixed on thermal conductive ceramic
It is connect on circuit board and with antenna connection terminal on chip, the fixing device includes pedestal 4 and shell 5, surface acoustic wave temperature
It spends sensor to be arranged on pedestal, shell is provided on pedestal, SAW Temperature Sensors are closed inside the shell.It needs to detect
Which position pedestal is just fixed on by the temperature at which position.Pass through the equipment sound table temperature sensor on heat-conductivity ceramic circuit board
Chip, after sealing lid so that this temperature sensor is also equipped with waterproof, insulation etc. other than with passive and radio characteristics
Characteristic.Antenna on wiring board captures electromagnetic wave and provides energy for sound table temperature sensor, and sound table temperature sensor handle detects
Temperature information be converted into electromagnetic wave after sent out by antenna.Fixing device setting with SAW Temperature Sensors is online
On cable crawl device, the cable crawl device includes the bellows and lantern ring that are sleeved on cable of sliding, 14 inner cavity of the bellows
It is provided with and varies with temperature and the gas 15 or liquid of volume change, such as ether, bellows is provided at both ends with slidable set
Two lantern rings on cable are provided with two-way shape memory alloy spring, the internal chamber wall week of two lantern rings between two lantern rings
To flexible claw is arranged, the claw is obliquely installed with respect to length of cable direction, the claw inclination side on two lantern rings
To identical.Temperature environment temperature change makes bellows telescopic variation, and due to the presence of elastic card claw, claw principle is equivalent to spine
Pawl so that cable crawl device can only be along one direction rake row of cable.
Embodiment two
As shown in Figure 4,5, the SAW Temperature Sensors are arranged on 6 crawl device of cable, the cable crawl device
Including two lantern rings 7 being slidably sleeved on cable, it is provided with two-way shape memory alloy spring 8 between two lantern rings, two
The circumferentially disposed flexible claw 9 of internal chamber wall of a lantern ring, the claw are obliquely installed with respect to length of cable direction, two sets
Claw inclined direction on ring is identical, on the lantern ring that SAW Temperature Sensors are arranged on cable crawl device.Environment
The variation of the fluctuation such as day and night temperature of temperature makes two-way shape memory alloy spring that dilatation occur, due to elastic card claw
Presence, 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
It sensor and moves up the dynamic inspection to realization to cable different parts in cable, and when the temperature in somewhere is significantly higher
When, when exceeding the critical transition temperature of two-way shape memory alloy spring, 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, ensure continuous report
The position of temperature anomaly also allows for searching abort situation.
Embodiment three
As shown in Fig. 6,7,8,9,10, unlike embodiment two, each claw includes opposite symmetrical of inclined direction
Two pawls refer to, be defined as the first pawl and refer to the 91, second pawl referring to 92, it is two-way shape memory alloy that each pawl, which refers to, symmetrical two
In low temperature, another is arranged in high temperature for one setting of phase transition temperature that a pawl refers to so that when the low temperature or height higher or lower than setting
The pawl refers to contraction or stretching when warm phase transformation temperature points, to change the distance of stretch out and draw back that pawl refers to opposite lantern ring radial direction, in difference
At a temperature of control the pawls of different inclined directions and refer to and cable contact, to the direction of creeping of controlling cable crawl device, such as winter
It is different with the temperature in summer direction of creeping.
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.
Example IV
Unlike the embodiments above as shown in 11,12 figures, each claw includes opposite symmetrical two of inclined direction
A pawl refers to, and each pawl refers to root and connect with lantern ring, adjusting bolt 10 by screw-thread fit on lantern ring, the end pair of adjusting bolt
The pawl is answered to refer to middle part, adjusting bolt can be in lantern ring radial expansion when being rotated on lantern ring, and the bolt head of adjusting bolt, which is realized, refers to pawl
Pushing tow so that pawl refers to warpage, and when the non-pushing tow of adjusting bolt, pawl refers under the elastic force of itself close to set ring arm, does not play the work of pawl
With, by adjust different adjusting bolt make the pawl of different inclined directions refer to it is flexible play the role of pawl, to control line
The moving direction of cable crawl device.
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.
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 (3)
1. a kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave, including it is SAW Temperature Sensors, solid
Determine the fixing device of SAW Temperature Sensors, which is characterized in that SAW Temperature Sensors include chip, thermal conductive ceramic
Circuit board, helical antenna, the chip are arranged on heat-conductivity ceramic circuit board, and helical antenna is fixed on heat-conductivity ceramic circuit board
And connect with antenna connection terminal on chip, the fixing device includes pedestal and shell, and SAW Temperature Sensors are set
It sets on pedestal, shell is provided on pedestal, SAW Temperature Sensors are closed inside the shell；It is passed with surface acoustic wave temperature
The fixing device of sensor is arranged on cable crawl device, the cable crawl device include sliding the bellows being sleeved on cable and
Lantern ring, the ripple tube cavity, which is provided with, to be varied with temperature and the gas of volume change or liquid, and bellows is provided at both ends with can
Two be sleeved on cable the lantern ring of sliding, is provided with two-way shape memory alloy spring between two lantern rings, two lantern rings
The circumferentially disposed flexible claw of internal chamber wall, the claw are obliquely installed with respect to length of cable direction, the card on two lantern rings
Pawl inclined direction is identical.
2. the temperature-detecting device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, which is characterized in that
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, symmetrically
In low temperature, another is arranged in high temperature for one setting of phase transition temperature that two pawls refer to.
3. the temperature-detecting device of the outdoor electrical equipment according to claim 1 based on surface acoustic wave, which is characterized in that
It is three or three or more lantern rings that the cable crawl device, which is sleeved on the lantern ring on cable, is closed by two-way shape memory between lantern ring
Golden spring connection, and pass through the phase transition temperature of two-way shape memory alloy spring difference between lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299987.7U CN207689036U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299987.7U CN207689036U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave |
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| Publication Number | Publication Date |
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| CN207689036U true CN207689036U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721299987.7U Active CN207689036U (en) | 2017-10-10 | 2017-10-10 | A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141411A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Temperature monitoring device for contact of blade type fuse |
-
2017
- 2017-10-10 CN CN201721299987.7U patent/CN207689036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141411A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Temperature monitoring device for contact of blade type fuse |
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