CN110108385A - A kind of mast switch pile crown wireless and passive temperature sensing device - Google Patents
A kind of mast switch pile crown wireless and passive temperature sensing device Download PDFInfo
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- CN110108385A CN110108385A CN201910373530.3A CN201910373530A CN110108385A CN 110108385 A CN110108385 A CN 110108385A CN 201910373530 A CN201910373530 A CN 201910373530A CN 110108385 A CN110108385 A CN 110108385A
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- switch pile
- spring
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- 229920001821 foam rubber Polymers 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
- G06K19/0717—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides a kind of mast switch pile crown wireless and passive temperature sensing device, including switch pile crown and the temperature sensor being mounted on switch pile crown, switch the limiting device that pile crown is equipped with multiple fixed temperature sensors, limiting device includes shaft and mounting plate, shaft is rotatable to be fixed on switch pile crown, mounting plate is mounted in shaft, 5th piston is installed on mounting plate, third piston shaft is installed on 5th piston, limit plate is installed on third piston shaft, foam-rubber cushion is installed on limit plate, third spring is equipped between 5th piston and limit plate, third spring is socketed in the periphery of third piston shaft, temperature sensor includes shell, RFID label antenna and thermometric chip, RFID label antenna is installed inside the housing, thermometric chip is mounted in RFID label antenna.The fixed stability of temperature sensor of the present invention, can be enhanced RFID label antenna signal, temperature detection accuracy is good.
Description
Technical field
The present invention relates to a kind of mast switch pile crown wireless and passive temperature sensing devices.
Background technique
Power equipment is influenced in During Process of Long-term Operation by environment or human factor, it may occur that gradual decompression, shape
It cashes as forming security risk, may cause the electric power accidents such as equipment damage, line outage when serious.RFID, which is that one kind is non-, to be connect
The automatic identification technology of touch, it passes through radiofrequency signal automatic identification target object and obtains related data information.Radio frequency identification
Technology is a kind of emerging automatic identification technology, i.e., wirelessly carries out bidirectional data communication, and then known to target
Not.Typical RFID system is made of electronic tag, reader and related software.Due to being not necessarily between RFID label tag and reader
Identification can be completed in physical contact, therefore RFID system can work in harsh environment, and realizes to multiple moving targets
Identification.RFID technique concentrates in the identification of object at present, and the other information without containing identified object, function are more single
One.Temperature sensor mounting stability on existing power equipment is poor, and temperature detection accuracy is low, is unable to satisfy actual use
When demand.
Summary of the invention
The purpose of the present invention is to provide a kind of mast switch pile crown wireless and passive temperature sensing device, temperature sensor is solid
Fixed stability, can be enhanced RFID label antenna signal, and temperature detection accuracy is good.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of mast switch pile crown wireless and passive temperature
Sensing device, including switch pile crown and the temperature sensor being mounted on switch pile crown, the switch pile crown is equipped with multiple solid
Determine the limiting device of temperature sensor, the limiting device includes shaft and mounting plate, and the shaft is rotatable to be fixed on switch
On pile crown, the mounting plate is mounted in shaft, and the mounting plate is equipped with the 5th piston close to the side of switch pile crown, described
5th piston is equipped with third piston shaft far from the side of mounting plate, and the third piston shaft is installed far from one end of the 5th piston
There is limit plate, the limit plate is equipped with foam-rubber cushion far from one end of third piston shaft, between the 5th piston and limit plate
Equipped with third spring, third spring is socketed in the periphery of third piston shaft, and the temperature sensor includes shell, RFID label tag day
Line and thermometric chip, inside the housing, the thermometric chip is mounted in RFID label antenna for the RFID label antenna installation.
Further, the longitudinal section of the shell and RFID label antenna atShape, the RFID label antenna inner wall
Opposite side is separately installed with first piston and second piston, and it is living that first is connected between the first piston and second piston
Axis is filled in, the first spring is equipped between the first piston and second piston, the first spring is socketed in the periphery of first piston axis.
Further, the opposite side of the outer casing inner wall is connected with fixed plate, and the fixed plate is close to RFID label tag day
The side of line is equipped with supporting plate, is separately installed with third piston and the 4th on the supporting plate and RFID label antenna opposite side wall
Piston is connected with second piston axis, sets between the third piston and the 4th piston between the third piston and the 4th piston
There is second spring, second spring is socketed in the periphery of second piston axis, and the supporting plate is conductive metal supporting plate.
Further, the gap above and below the RFID label antenna between inner wall is h1, the foam-rubber cushion and switch pile crown
Spacing between upper surface is that h2, h1 and h2 meet following relationship: h2-h1=2cm.
Further, the mounting plate is equipped with the 6th piston close to the side of switch pile crown, and the 6th piston is separate
The side of mounting plate is equipped with the 4th piston shaft, and the 4th piston shaft is equipped with the first directive wheel far from the side of the 6th piston
Mounting base is equipped with the second shaft in the first directive wheel mounting base, the first directive wheel, institute is equipped in the first rotating shaft
It states and is equipped with the 4th spring between the 6th piston and the first directive wheel mounting base, the 4th spring is socketed in the periphery of the 4th piston shaft.
Further, the mounting plate is equipped with the second directive wheel mounting base close to the side of switch pile crown, and described second
Third shaft is installed in directive wheel mounting base, the second directive wheel is installed in the third shaft, is set on the switch pile crown
The annular spacing groove for having the second directive wheel mobile.
Further, the mounting plate is equipped with the 7th piston close to the side of switch pile crown, and the 7th piston is separate
The side of mounting plate is equipped with the 5th piston shaft, and the 5th piston shaft is equipped with the 8th piston far from the side of the 7th piston,
8th piston is mounted in the second directive wheel mounting base, and the 5th spring is equipped between the 7th piston and the 8th piston,
5th spring is socketed in the periphery of the 5th piston shaft.
Further, the shell is conductive metal shell.
After adopting the above technical scheme, the present invention has the advantage that
1, it realizes that mounting plate is covered on the surface of temperature sensor by rotation mounting plate, and shell is contacted by foam-rubber cushion,
Foam-rubber cushion, which can be protected, will not damage temperature sensor when limiting to temperature sensor, and by third piston shaft
It stretches in the 5th piston, and third spring is utilized there is screen resilience when flexible, realizes foam-rubber cushion and squeezed to shell
When, third spring imparts the certain opposition of foam-rubber cushion, so as to complete the work of the extruding limit to temperature sensor
With effectively increasing the fixed stability of temperature sensor.
2, due to the longitudinal section of shell and RFID label antenna atShape, RFID label antenna install inside the shell,
The opposite side of RFID label antenna inner wall is separately installed with first piston and second piston, and by first piston and second piston
Between first piston axis connection, and by the retractility of the first spring, realization is supported RFID label antenna inside, avoids
It is deformed when RFID label antenna use, guarantee signal stablizes transmission.
3, fixed plate is connected with by the opposite side of wall inside the shell, it, can be with since fixed plate is conductive metal supporting plate
Part reflection is carried out for the energy of RFID label antenna, the Downward addition with original signal is realized, enhances signal, and by second
Piston shaft stretches in the 4th piston and third piston, and is realized by the telescopicing performance of second spring to the anti-of RFID label antenna
To extruding force, the supporting role to RFID label antenna is realized, deforms, improves when avoiding RFID label antenna use
The stability of RFID label antenna signal transmission.
4, the gap above and below RFID label antenna between inner wall is h1, the spacing between foam-rubber cushion and switch pile crown upper surface
For h2, by making h1 and h2 meet following relationship: h2-h1=2cm is realized and is fixed to temperature sensor
When, it can guarantee that foam-rubber cushion generation squeezes temperature sensor surface, the limit of temperature sensor is fixed in realization, is guaranteed
Stability when temperature sensor uses.
5, by existing in mounting plate close to side the 6th piston of installation and the 4th piston shaft, the 4th piston shaft of switch pile crown
It stretches in 6th piston, rotation mounting plate realizes that the first directive wheel fixes temperature sensor, due to the 4th piston
Axis stretches in the 6th piston, and the retractility of the 4th spring is utilized, and realizing the first directive wheel can be to temperature sensor
Reverse extrusion is carried out, the fixed stability of the limit of temperature sensor is improved.
6, the second guiding by that can be moved in annular spacing groove in mounting plate close to the side installation of switch pile crown
Wheel, the second directive wheel are rotated with the rotation of mounting plate, ensure that the mobile stability of mounting plate.
7, by making mounting plate install the 7th piston, the 5th piston shaft and the 8th piston close to the side of switch pile crown,
It is stretched in the 7th piston and the 8th piston by the 5th piston shaft, and using the telescopicing performance of the 5th spring, realizes and installing
When plate rotates, due to opposition when mounting plate, which will receive, squeezes temperature sensor from limit, the anti-of the 5th spring is utilized
The counteracting to extruding force is realized to power, it is ensured that mounting plate stablizes rotation.
8, it by making shell conductive metal shell, may be implemented to carry out part reflection to the energy of RFID label antenna,
It realizes the Downward addition with original signal, enhances signal, improve the accuracy of temperature detection.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is that a kind of structure for mast switch pile crown wireless and passive temperature sensing device that the embodiment of the present invention 1 proposes is shown
It is intended to；
Fig. 2 is a kind of vertical view knot for mast switch pile crown wireless and passive temperature sensing device that the embodiment of the present invention 1 proposes
Structure schematic diagram；
Fig. 3 is that temperature passes in a kind of mast switch pile crown wireless and passive temperature sensing device of the proposition of the embodiment of the present invention 1
The structural schematic diagram of sensor；
Fig. 4 is that temperature passes in a kind of mast switch pile crown wireless and passive temperature sensing device of the proposition of the embodiment of the present invention 1
The cross-sectional view of sensor；
Fig. 5 is a kind of front view for mast switch pile crown wireless and passive temperature sensing device that the embodiment of the present invention 1 proposes；
Fig. 6 is the partial enlargement diagram in Fig. 5 at A；
Fig. 7 is a kind of front view for mast switch pile crown wireless and passive temperature sensing device that the embodiment of the present invention 2 proposes；
Fig. 8 is the partial enlargement diagram in Fig. 7 at B；
Fig. 9 is the partial enlargement diagram in Fig. 7 at C.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.It is to be appreciated that following "upper",
Indicating positions or the position such as "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom"
The word for setting relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of the description present invention and simplifies description, and
It is not that device/element of indication or suggestion meaning must have a particular orientation or be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
Embodiment 1
As shown in figures 1 to 6, the present invention provides a kind of mast switch pile crown wireless and passive temperature sensing device, including switch stake
First 1 and be mounted on switch pile crown 1 on temperature sensor 2, switch pile crown 1 be equipped with multiple fixed temperature sensors 2 limit
Device 3, limiting device 3 include shaft 301 and mounting plate 302, and shaft 301 is rotatable to be fixed on switch pile crown 1, mounting plate
302 are mounted in shaft 301, and mounting plate 302 is equipped with the 5th piston 303, the 5th piston 303 close to the side of switch pile crown 1
Side far from mounting plate 302 is equipped with third piston shaft 304, and third piston shaft 304 is installed far from one end of the 5th piston 303
There is limit plate 306, limit plate 306 is equipped with foam-rubber cushion 307, the 5th piston 303 and limit far from one end of third piston shaft 304
Third spring 305 is equipped between plate 306, third spring 305 is socketed in the periphery of third piston shaft 304, and temperature sensor 2 includes
Shell 201, RFID label antenna 202 and thermometric chip 203, RFID label antenna 202 are mounted on inside shell 201, thermometric core
Piece 203 is mounted in RFID label antenna 202.Realize that mounting plate 302 is covered on temperature sensor 2 by rotation mounting plate 302
Surface, and shell 201 is contacted by foam-rubber cushion 307, foam-rubber cushion 307 can protect when limiting to temperature sensor 2 not
Temperature sensor 2 can be damaged, and be stretched in the 5th piston 303 by third piston shaft 304, and third spring is utilized
305 have screen resilience when flexible, realize foam-rubber cushion 307 when squeezing shell 201, third spring 305 imparts sponge
The certain opposition of pad 307 effectively increases temperature so as to complete the effect of the extruding limit to temperature sensor 2
The fixed stability of sensor 2.
In the present embodiment, the longitudinal section of shell 201 and RFID label antenna 202 atShape, RFID label antenna 202
The opposite side of inner wall is separately installed with first piston 210 and second piston 213, between first piston 210 and second piston 213
It is connected with first piston axis 212, the first spring 211, the first 211 sets of spring are equipped between first piston 210 and second piston 213
It connects in the periphery of first piston axis 212.Due to the longitudinal section of shell 201 and RFID label antenna 202 atShape, RFID label tag
Antenna 202 is mounted in shell 201, is separately installed with 210 He of first piston in the opposite side of 202 inner wall of RFID label antenna
Second piston 213, and connected by the first piston axis 212 between first piston 210 and second piston 213, and by the first spring
211 retractility is realized to being supported inside RFID label antenna 202, and RFID label antenna 202 is avoided to deform when using,
Guarantee signal stablizes transmission.
In the present embodiment, the opposite side of 201 inner wall of shell is connected with fixed plate 204, and fixed plate 204 is marked close to RFID
The side of label antenna 202 is equipped with supporting plate 205, and the is separately installed on supporting plate 205 and 202 opposite side wall of RFID label antenna
Three pistons 209 and the 4th piston 206, are connected with second piston axis 207 between third piston 209 and the 4th piston 206, third is living
Second spring 208 is equipped between plug 209 and the 4th piston 206, second spring 208 is socketed in the periphery of second piston axis 207, holds in the palm
Plate 205 is conductive metal supporting plate.By being connected with fixed plate 204 in the opposite side of 201 inner wall of shell, due to fixed plate 204
For conductive metal supporting plate, part reflection can be carried out for the energy of RFID label antenna 202, realized folded with the forward direction of original signal
Add, enhances signal, and stretched in the 4th piston 206 and third piston 209 by second piston axis 207, and by second spring
208 telescopicing performance is realized to the reverse extrusion power of RFID label antenna 202, and the support to RFID label antenna 202 is realized
Effect avoids when RFID label antenna 202 uses and deforms, improves the stability of 202 signal of RFID label antenna transmission.
In the present embodiment, the gap between about 202 inner wall of RFID label antenna is h1, foam-rubber cushion 307 and switch stake
Spacing between first 1 upper surface is that h2, h1 and h2 meet following relationship: h2-h1=2cm.About 202 inner wall of RFID label antenna
Between gap be h1, the spacing between foam-rubber cushion 307 and switch 1 upper surface of pile crown is h2, by meeting h1 and h2 such as
Lower relationship: h2-h1=2cm is realized when fixing to temperature sensor 2, can guarantee the generation pair of foam-rubber cushion 307
2 surface of temperature sensor is squeezed, and the limit of temperature sensor 2 is fixed in realization, is guaranteed steady when temperature sensor 2 uses
It is qualitative.
In the present embodiment, shell 201 is conductive metal shell.By making 201 conductive metal shell of shell, Ke Yishi
Part reflection now is carried out to the energy of RFID label antenna 202, the Downward addition with original signal is realized, enhances signal.Outside
The metal material of shell 201 can carry out heat transfer well, thus improve the accuracy of thermometric.
Embodiment 2
As Figure 7-9, embodiment 2 difference from example 1 is that, mounting plate 302 close to switch pile crown 1 one
Side is equipped with the 6th piston 308, and the 6th piston 308 is equipped with the 4th piston shaft 309 far from the side of mounting plate 302, and the 4th is living
It fills in axis 309 and first directive wheel mounting base 311 is installed far from the side of the 6th piston 308, pacify in the first directive wheel mounting base 311
Equipped with the second shaft 312, the first directive wheel 313, the 6th piston 308 and the installation of the first directive wheel are installed in first rotating shaft 312
The 4th spring 310 is equipped between seat 311, the 4th spring 310 is socketed in the periphery of the 4th piston shaft 309.By in mounting plate 302
The 6th piston 308 and the 4th piston shaft 309 are installed in side close to switch pile crown 1, and the 4th piston shaft 309 is in the 6th piston 308
Interior flexible, rotation mounting plate 203 realizes that the first directive wheel 313 fixes temperature sensor 2, due to the 4th piston shaft
309 stretch in the 6th piston 308, and the retractility of the 4th spring 310 is utilized, and realizing the first directive wheel 309 can be right
Temperature sensor 2 carries out reverse extrusion, improves the fixed stability of the limit of temperature sensor.
In the present embodiment, mounting plate 203 is equipped with the second directive wheel mounting base 318 close to the side of switch pile crown 1, the
Third shaft 319 is installed in two directive wheel mounting bases 318, the second directive wheel 320 is installed in third shaft 319, switchs stake
First 1 is equipped with the mobile annular spacing groove 321 of the second directive wheel 320.By in the side of the close switch pile crown 1 of mounting plate 203
The second directive wheel 320 that can move in annular spacing groove 321 is installed, the second directive wheel 320 with mounting plate 203 rotation
And rotate, it ensure that the mobile stability of mounting plate 203.
In the present embodiment, mounting plate 302 is equipped with the 7th piston 314, the 7th piston close to the side of switch pile crown 1
314 sides far from mounting plate 302 are equipped with the 5th piston shaft 315, the 5th side of the piston shaft 315 far from the 7th piston 314
8th piston 317 is installed, the 8th piston 317 is mounted in the second directive wheel mounting base 318, and the 7th piston 314 and the 8th is living
The 5th spring 316 is equipped between plug 317, the 5th spring 316 is socketed in the periphery of the 5th piston shaft 315.By making mounting plate
302 install the 7th piston 314, the 5th piston shaft 315 and the 8th piston 317 close to the side of switch pile crown 1, by the 5th piston shaft
315 stretch in the 7th piston 314 and the 8th piston 317, and using the telescopicing performance of the 5th spring 316, realize and installing
When plate 302 rotates, due to opposition when mounting plate 302, which will receive, squeezes temperature sensor 2 from limit, the 5th bullet is utilized
The opposite force of spring 316 realizes the counteracting to extruding force, it is ensured that mounting plate 316 stablizes rotation.
It is understood that the reflection coefficient of RFID label antennaIn this present embodiment, thermometric chip
Impedance Z in working band at centre frequency 915MHzic=40-j*200, it is assumed that the thermometric chip impedance is in working band
It remains unchanged；ZaFor RFID label antenna impedance, it is similarly plural number；Then reflection coefficient (dB form) S_ of RFID label antenna
RFID=20lg | Γm|。
RFID label antenna farthest identifies distanceλ is the operating wave of RFID label antenna
It grows, wherein PthFor thermometric chip sensitivity, general thermometric chip is decided, this is known terms；PtFor the transmitting of reader
Power, common fixed type reader-writer maximum transmission power are 30dBm；GtFor reader end antenna gain；τ=1- | Γm|2To pass
Defeated coefficient, ρ is reading and writing device antenna and RFID label antenna Polarization match factor, when reader end antenna polarization and RFID label tag day
When linear polarization exactly matches, which is up to 1；η is the radiation efficiency of antenna, is up to 1.Therefore RFID label antenna,
In the case that reader and reader end antenna determine, the farthest identification distance of RFID label antenna depends on the increasing of label antenna
Beneficial GrAnd the transmission coefficient τ between label antenna and chip.The device not only increases the accuracy of thermometric, simultaneously also by
The enhancing of signal realizes GrRaising, further improve the farthest identification distance of RFID label antenna.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (8)
1. a kind of mast switch pile crown wireless and passive temperature sensing device, including switch pile crown and the temperature being mounted on switch pile crown
Spend sensor, which is characterized in that the switch pile crown is equipped with the limiting device of multiple fixed temperature sensors, the limit dress
It sets including shaft and mounting plate, the shaft is rotatable to be fixed on switch pile crown, and the mounting plate is mounted in shaft, described
Mounting plate is equipped with the 5th piston close to the side of switch pile crown, and the 5th piston is equipped with third far from the side of mounting plate
Piston shaft, the third piston shaft are equipped with limit plate far from one end of the 5th piston, and the limit plate is far from third piston shaft
One end foam-rubber cushion is installed, third spring is equipped between the 5th piston and limit plate, it is living that third spring is socketed in third
The periphery of axis is filled in, the temperature sensor includes shell, RFID label antenna and thermometric chip, the RFID label antenna installation
Inside the housing, the thermometric chip is mounted in RFID label antenna.
2. mast switch pile crown wireless and passive temperature sensing device according to claim 1, which is characterized in that the shell
With the longitudinal section of RFID label antenna atShape, it is living that the opposite side of the RFID label antenna inner wall is separately installed with first
Plug and second piston, are connected with first piston axis between the first piston and second piston, the first piston and second live
The first spring is equipped between plug, the first spring is socketed in the periphery of first piston axis.
3. mast switch pile crown wireless and passive temperature sensing device according to claim 2, which is characterized in that the shell
The opposite side of inner wall is connected with fixed plate, and the fixed plate is equipped with supporting plate, the support close to the side of RFID label antenna
Third piston and the 4th piston are separately installed on plate and RFID label antenna opposite side wall, the third piston and the 4th live
It is connected with second piston axis between plug, second spring is equipped between the third piston and the 4th piston, second spring is socketed in
The periphery of second piston axis, the supporting plate are conductive metal supporting plate.
4. mast switch pile crown wireless and passive temperature sensing device according to claim 2, which is characterized in that the RFID
The gap between inner wall is h1 to label antenna up and down, and the spacing between the foam-rubber cushion and switch pile crown upper surface is h2, h1 and
H2 meets following relationship: h2-h1=2cm.
5. mast switch pile crown wireless and passive temperature sensing device according to claim 1, which is characterized in that the installation
Plate is equipped with the 6th piston close to the side of switch pile crown, and the 6th piston is equipped with the 4th piston far from the side of mounting plate
Axis, the 4th piston shaft are equipped with the first directive wheel mounting base, the first directive wheel installation far from the side of the 6th piston
The second shaft is installed on seat, the first directive wheel, the 6th piston and the first directive wheel peace are installed in the first rotating shaft
It fills and is equipped with the 4th spring between seat, the 4th spring is socketed in the periphery of the 4th piston shaft.
6. mast switch pile crown wireless and passive temperature sensing device according to claim 1, which is characterized in that the installation
Plate is equipped with the second directive wheel mounting base close to the side of switch pile crown, and third is equipped in the second directive wheel mounting base and is turned
Axis, the second directive wheel is equipped in the third shaft, and the switch pile crown is equipped with the mobile annular stop of the second directive wheel
Slot.
7. mast switch pile crown wireless and passive temperature sensing device according to claim 6, which is characterized in that the installation
Plate is equipped with the 7th piston close to the side of switch pile crown, and the 7th piston is equipped with the 5th piston far from the side of mounting plate
Axis, the 5th piston shaft are equipped with the 8th piston far from the side of the 7th piston, and the 8th piston is mounted on the second guiding
It takes turns in mounting base, the 5th spring is equipped between the 7th piston and the 8th piston, the 5th spring is socketed in the 5th piston shaft
Periphery.
8. mast switch pile crown wireless and passive temperature sensing device according to claim 1, which is characterized in that the shell
For conductive metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373530.3A CN110108385B (en) | 2019-05-07 | 2019-05-07 | Wireless passive temperature sensing device for pole switch pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373530.3A CN110108385B (en) | 2019-05-07 | 2019-05-07 | Wireless passive temperature sensing device for pole switch pile head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110108385A true CN110108385A (en) | 2019-08-09 |
| CN110108385B CN110108385B (en) | 2024-06-21 |
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ID=67488422
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910373530.3A Active CN110108385B (en) | 2019-05-07 | 2019-05-07 | Wireless passive temperature sensing device for pole switch pile head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108385B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110108385B (en) | 2024-06-21 |
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