CN215865521U - RFID electronic tags temperature measuring device - Google Patents
RFID electronic tags temperature measuring device Download PDFInfo
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- CN215865521U CN215865521U CN202122047553.0U CN202122047553U CN215865521U CN 215865521 U CN215865521 U CN 215865521U CN 202122047553 U CN202122047553 U CN 202122047553U CN 215865521 U CN215865521 U CN 215865521U
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Abstract
The utility model discloses an RFID electronic tag temperature measuring device, which comprises a fastening part, a clamping part and a temperature measuring part, wherein the fastening part is used for connecting a measured object and is provided with a clamping channel extending vertically; the protruding part is integrally connected to the side edge of the fastening part and is provided with a connecting surface, and the connecting surface faces towards the RFID electronic tag reader-writer; the cover plate is detachably connected with the connecting surface, and the RFID electronic tag is arranged on the cover plate and used for sending the monitored temperature signal to the RFID electronic tag reader-writer; through the connection face orientation of installation apron for locate the RFID electronic tags antenna orientation RFID electronic tags reader-writer in the apron, ensure that the data of transmission between RFID electronic tags and the reader-writer is accurate, increase transmission distance simultaneously, can reduce the quantity of arranging of reader-writer as far as possible in certain signal coverage area, practice thrift the cost, improve the degree of accuracy and the reliability of temperature measurement signal.
Description
Technical Field
The utility model belongs to the technical field of passive ultrahigh frequency RFID temperature measurement application of a power system, and particularly relates to an RFID electronic tag temperature measuring device.
Background
After the equipment is put into operation, the discontinuous connection points such as a high-voltage isolating switch, a high-voltage circuit breaker, a high-voltage cable joint and the like of the power system can easily cause temperature exceeding faults due to surface oxidation, corrosion, loosening of fasteners, aging of associated parts, overload operation of the equipment and other factors, and if the temperature exceeding faults are not found and processed in time, power accidents such as arcing, melting and even explosion can be caused;
therefore, temperature detection is an important content in operation and maintenance management of an electric power system, a transformer substation level is more important, an RFID electronic temperature measurement tag is adopted at present to have a wireless power acquisition technology, a special chip working power supply is not needed, the puzzlement advantage of a conventional wireless communication power supply is avoided, the node temperature between electric power equipment has higher safety and reliability when being used for measuring the node temperature, but still has some problems to be solved, such as a high-voltage isolating switch, a high-voltage circuit breaker, a high-voltage cable connector and the like, the positions of the nodes are various, the conditions of vertical, transverse, inclined support and the like exist, antennas of the RFID electronic temperature measurement tag are mostly directional antennas, the signal intensity is lower, therefore, a technical scheme which is safe, reliable, low in cost, low in operation and maintenance and can still ensure stable signal transmission of the RFID electronic temperature measurement tag under various complex installation environments is urgently needed to be introduced, and accurate real-time monitoring of the temperature at the nodes of the electric power equipment is realized, thereby ensuring the safe operation of the power grid equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the RFID electronic tag temperature measuring device which can still ensure the stable signal transmission of the RFID electronic temperature measuring tag under various complex installation environments and has high adaptability and is applied to the power system.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an RFID electronic tag temperature measuring device comprises a fastening part, a clamping part and a temperature measuring part, wherein the fastening part is used for connecting a measured object and is provided with a clamping channel extending vertically; the protruding part is integrally connected to the side edge of the fastening part and is provided with a connecting surface, and the connecting surface faces towards the RFID electronic tag reader-writer; the cover plate is detachably connected to the connecting surface, and the RFID electronic tag is installed on the cover plate and used for sending the monitored temperature signal to the RFID electronic tag reader-writer.
Furthermore, the connecting surface is perpendicular to the central axis of the clamping channel of the fastening part, so that accurate data transmission between the connecting surface and the RFID electronic tags located in a small-range radius right above the RFID electronic tag reader-writer is ensured, and meanwhile, the transmission distance is increased.
Furthermore, the connection surface and the central axis of the clamping channel of the fastening part form an included angle, so that the RFID electronic tag positioned in a certain radius range above the RFID electronic tag reader-writer or in the direction of the directional antenna of the reader-writer can face the reader-writer, the accuracy of data transmitted between the RFID electronic tag reader-writer and the reader-writer is ensured, and the transmission distance is increased.
Furthermore, the connecting surface extends obliquely from inside to outside and from bottom to top along the length direction of the fastening part, so that the RFID electronic tag positioned in a certain radius range above the RFID electronic tag reader-writer or in the direction of the directional antenna of the reader-writer can face the reader-writer, the accuracy of data transmitted between the RFID electronic tag reader-writer and the RFID electronic tag reader-writer is ensured, and the transmission distance is increased.
Furthermore, the connecting surface extends obliquely along the width direction of the fastening part, so that the RFID electronic tag positioned in a certain radius range above the RFID electronic tag reader-writer or in the direction of the directional antenna of the reader-writer can face the reader-writer, the accuracy of data transmitted between the RFID electronic tag and the reader-writer is ensured, and the transmission distance is increased.
Furthermore, the connecting surface obliquely extends along the length direction and the width direction of the fastening part, so that the RFID electronic tag positioned in a certain radius range above the RFID electronic tag reader-writer or in the direction of the directional antenna of the reader-writer can face the reader-writer, the accuracy of data transmitted between the RFID electronic tag reader-writer and the RFID electronic tag reader-writer is ensured, and the transmission distance is increased.
Further, fastening portion is the U font, the bulge is connected at its blind end, and the measured object is gone into from the open end card of fastening portion, and the fastening screw of rethread opening part for the temperature measurement dress fastening is on the measured object, and simple to operate is swift, shortens the power off time that electric power system leads to because of the equipment fixing.
Further, fastening portion includes the left part body and the right part body that the components of a whole that can function independently set up, bulge body coupling is at the right part body, the left part body passes through the fastener with the right part body and connects to the centre gripping testee, simple to operate is swift, shortens the power off time that electric power system leads to because of the equipment fixing.
Furthermore, the connection surface is provided with a protruding limiting part, the cover plate is provided with a sliding groove for clamping the limiting part, and the RFID electronic tag is arranged in a clamping groove below the sliding groove, so that the cover plate can be installed quickly and accurately.
Furthermore, the fastening part and the protruding part are made of non-magnetic metal materials so as to conduct the temperature of the object to be measured to the temperature sensor of the RFID electronic tag, the cover plate is made of high-temperature-resistant PEI materials, PES materials, PA materials, PPA materials or LCP materials, and the materials are high-temperature-resistant and low-temperature-resistant, sunlight-resistant, good in insulating property, good in mechanical property and good in microwave penetrability and cannot generate magnetic interference; and good protection effect is formed on the RFID electronic tag.
The utility model has the beneficial effects that: through the connection face orientation of installation apron for locate the RFID electronic tags antenna orientation RFID electronic tags reader-writer in the apron, ensure that the data of transmission between RFID electronic tags and the reader-writer is accurate, increase transmission distance simultaneously, can reduce the quantity of arranging of reader-writer as far as possible in certain signal coverage area, practice thrift the cost, improve the degree of accuracy and the reliability of temperature measurement signal.
Drawings
Fig. 1 is an exploded schematic view of a first embodiment of the present invention.
Fig. 2 is a perspective view (without a cover plate) of the first embodiment of the present invention.
Fig. 3 is an exploded schematic view of a second embodiment of the present invention.
Fig. 4 is a perspective view (without a cover plate) of a second embodiment of the present invention.
Fig. 5 is an exploded schematic view of a third embodiment of the present invention.
Fig. 6 is an exploded schematic view of a fourth embodiment of the present invention.
Fig. 7 is an exploded schematic view of a fifth embodiment of the present invention.
Fig. 8 is a schematic diagram of the RFID tag of the present invention.
In the drawings: the structure comprises a fastening portion 1, a clamping channel 2, a protruding portion 3, an RFID electronic tag 4, a cover plate 5, a connecting surface 6, a left portion body 11, a right portion body 12, a clamping groove 13, a limiting portion 14, a front conductive area 41, a back conductive area 42, a side conductive area 43, a chip 44 and a central axis a.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 8, a temperature measuring device of an RFID tag 4 comprises a fastening portion 1 for connecting a measured object, which has a vertically extending clamping channel 2; the convex part 3 is integrally connected to the side edge of the fastening part 1 and is provided with a connecting surface 6, and the connecting surface 6 faces the reader-writer of the RFID electronic tag 4; the cover plate 5 is detachably connected with the connecting surface 6, and the RFID electronic tag 4 is arranged on the cover plate 5 and used for sending the monitored temperature signal to a reader-writer of the RFID electronic tag 4; through the connection face 6 orientation of installation apron 5 for locate 4 antennas of RFID electronic tags in the apron 5 towards 4 readers-writers of RFID electronic tags, ensure that the data of transmission between 4 and the readers-writers of RFID electronic tags are accurate, increase transmission distance simultaneously, can reduce the quantity of arranging of readers-writers as far as possible in certain signal coverage area, practice thrift the cost, improve the degree of accuracy and the reliability of temperature measurement signal.
In this embodiment, the RFID tag 4 is an RFID temperature-sensitive tag, and as shown in fig. 8, the RFID tag includes a front conductive area 41, a back conductive area 42, and a side conductive area 43, which serve as antennas to exert stable radio frequency performance, so that the RFID tag 4 can measure temperature and transmit signals back to a reader/writer stably. The middle part of the side surface conductive area 43 is divided into a chip 44 mounting area, the chip 44 integrates the ultrahigh frequency radio frequency identification capability and the temperature sensing capability at the same time, and simultaneously conforms to the ISO18000-6C protocol, the distribution of the ultrahigh frequency national standard scanning frequency range is 840-960MHz, and the measurement frequency range is 920-925 MHz. The front side conductive region 41 and the back side conductive region 42 are electrically conducted.
Specifically, as shown in fig. 1, 2 and 5, the connection surface 6 is perpendicular to the central axis a of the clamping channel 2 of the fastening portion 1, so that data transmitted between the RFID electronic tags 4 located in a small radius range directly above the reader/writer of the RFID electronic tags 4 is ensured to be accurate, and the transmission distance is increased.
Specifically, as shown in fig. 3, 4, 6, and 7, the connection surface 6 forms an included angle with the central axis a of the clamping channel 2 of the fastening portion 1, so as to ensure that the RFID electronic tag 4 located in a certain radius range above the reader-writer of the RFID electronic tag 4 or in the direction of the directional antenna of the reader-writer can face the reader-writer, thereby ensuring that data transmitted between the two is accurate and increasing the transmission distance.
Specifically, as shown in fig. 3, 4 and 7, the connection surface 6 extends along the length direction of the fastening portion 1 from inside to outside and from bottom to top in an inclined manner, so as to ensure that the RFID electronic tag 4 located within a certain radius range above the reader-writer of the RFID electronic tag 4 or in the direction of the directional antenna of the reader-writer can face the reader-writer, thereby ensuring that data transmitted between the two is accurate and increasing the transmission distance.
Specifically, as shown in fig. 6, the connection surface 6 extends obliquely along the width direction of the fastening portion 1, so as to ensure that the RFID electronic tag 4 located in a certain radius range above the reader-writer of the RFID electronic tag 4 or in the direction of the directional antenna of the reader-writer can face the reader-writer, thereby ensuring that data transmitted between the two is accurate and increasing the transmission distance.
In a specific implementation process, the connecting surface 6 may also extend obliquely along both the length and the width directions of the fastening portion 1, so as to ensure that the RFID electronic tag 4 located in a certain radius range above the reader-writer of the RFID electronic tag 4 or in the receiving area direction of the directional antenna of the reader-writer can face the reader-writer, thereby ensuring that data transmitted between the two is accurate and increasing the transmission distance.
In this embodiment, fastening portion 1 is the U font, the bulge 3 is connected at its blind end, and the measured object is gone into from the open end card of fastening portion 1, and the fastening screw of rethread opening part for the temperature measurement dress fastening is on the measured object, and simple to operate is swift, shortens the power off time that electric power system leads to because of the equipment fixing, and fastening screw adopts no magnetism metal to make, avoids disturbing RFID electronic tags 4 signal production.
In this embodiment, the fastening portion 1 may also be provided with the left portion body 11 and the right portion body 12 separately, the protruding portion 3 is integrally connected to the right portion body 12, and the left portion body 11 and the right portion body 12 are connected through a fastener to clamp the object to be tested, so that the installation is convenient and fast, and the power failure time of the power system caused by the installation of equipment is shortened.
In this embodiment, the connection surface 6 has a protruding limiting portion 14, the cover plate 5 has a sliding slot into which the limiting portion 14 is inserted, and the RFID tag is disposed in the card slot 13 below the sliding slot.
The fastening part 1 and the protruding part 3 are made of nonmagnetic metal materials so as to conduct the temperature of the object to be tested to the temperature sensor of the RFID electronic tag 4, and when the metal materials have good heat conduction function, the metal materials do not have adverse effects on the function of the RFID electronic tag; the cover plate 5 is made of a high-temperature-resistant PEI material, a PES material, a PA material, a PPA material or an LCP material, and the materials are high-temperature-resistant and low-temperature-resistant, sunlight-resistant, good in insulating property, good in mechanical property and good in microwave penetrability, and cannot generate magnetic interference; and good protection effect is formed on the RFID electronic tag.
The foregoing detailed description is intended to illustrate and not limit the utility model, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the utility model are intended to be covered by the following claims.
Claims (10)
1. An RFID electronic tag temperature measuring device is characterized by comprising:
the fastening part is used for connecting a measured object and is provided with a clamping channel extending vertically;
the protruding part is integrally connected to the side edge of the fastening part and is provided with a connecting surface, and the connecting surface faces towards the RFID electronic tag reader-writer;
the cover plate is detachably connected to the connecting surface;
and the RFID electronic tag is arranged on the cover plate and used for sending the monitored temperature signal to the RFID electronic tag reader-writer.
2. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface is perpendicular to the central axis of the clamping channel of the fastening part.
3. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface and the central axis of the clamping channel of the fastening part form an included angle.
4. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface is inclined and extends from inside to outside and from bottom to top along the length direction of the fastening part.
5. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface extends obliquely in the width direction of the fastening portion.
6. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface obliquely extends along the length and the width direction of the fastening part.
7. The RFID tag temperature measuring device of claim 1, wherein: the fastening portion is U font, the bulge is connected at its blind end, and the testee is gone into from the open end card of fastening portion.
8. The RFID tag temperature measuring device of claim 1, wherein: fastening portion includes left part body and the right part body 1 that the components of a whole that can function independently set up, bulge body coupling is at the right part body, the left part body passes through the fastener with the right part body and connects to the centre gripping testee.
9. The RFID tag temperature measuring device of claim 1, wherein: the connecting surface is provided with a protruding limiting portion, the cover plate is provided with a sliding groove for the limiting portion to be clamped in, and the RFID electronic tag is arranged in a clamping groove below the sliding groove.
10. The RFID tag temperature measuring device of claim 1, wherein: the fastening part and the protruding part are made of nonmagnetic metal materials, and the cover plate is made of high-temperature-resistant PEI materials, PES materials, PA materials, PPA materials or LCP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047553.0U CN215865521U (en) | 2021-08-27 | 2021-08-27 | RFID electronic tags temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047553.0U CN215865521U (en) | 2021-08-27 | 2021-08-27 | RFID electronic tags temperature measuring device |
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| Publication Number | Publication Date |
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| CN215865521U true CN215865521U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122047553.0U Active CN215865521U (en) | 2021-08-27 | 2021-08-27 | RFID electronic tags temperature measuring device |
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| CN (1) | CN215865521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117094339A (en) * | 2023-10-16 | 2023-11-21 | 深圳市国芯物联科技有限公司 | UHF RFID antenna integrated reader-writer |
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2021
- 2021-08-27 CN CN202122047553.0U patent/CN215865521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117094339A (en) * | 2023-10-16 | 2023-11-21 | 深圳市国芯物联科技有限公司 | UHF RFID antenna integrated reader-writer |
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