CN205136299U - Passive temperature measurement bolt based on RFID technique - Google Patents
Passive temperature measurement bolt based on RFID technique Download PDFInfo
- Publication number
- CN205136299U CN205136299U CN201520859862.XU CN201520859862U CN205136299U CN 205136299 U CN205136299 U CN 205136299U CN 201520859862 U CN201520859862 U CN 201520859862U CN 205136299 U CN205136299 U CN 205136299U
- Authority
- CN
- China
- Prior art keywords
- rfid
- label
- passive
- bolt
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a passive temperature measurement bolt based on RFID technique, including a bolt, offer a recess that is used for placing passive RFID temperature measurement label in advance at the nut top of bolt, passive RFID temperature measurement label is enough put into to the degree of depth of this recess, the shape of recess is recess circular or square or triangle -shaped or rhombus or any shape, the passive RFID temperature measurement label of packing into in this recess, this passive RFID temperature measurement label includes that the label fixes the filler, the embedding sets up one from the RFID chip of taking the automatic tuning circuit in the fixed filler of label, a RFID antenna is respectively connected at the both ends of RFID chip. The utility model discloses the label adopts the wireless radio frequency identification technology of RFID, do not need battery powered, no later maintenance cost, and temperature measurement module and the design of bolt formula as an organic whole, no installation problem, the temperature measurement system is small, can use at the narrow and small position temperature measurement in space, and adopt RFID discernment, has advantages such as identification distance is far away, recognition speed is fast.
Description
Technical field
The utility model relates to a kind of passive temperature-measuring bolt based on RFID technique.
Background technique
Bolt has a lot of call, and everyone call may be different, and someone is into screw, and someone is into bolt nail, and someone is into standard piece, and someone is into fastening piece.Although there are so many calls, the meaning is all the same, is all bolt.
Bolt is the general saying of fastening piece.The principle of bolt utilizes the inclined-plane circular rotating of object and the physics of frictional force and mathematical principle, by easy stages fastening implements.
Bolt be can't do without in daily life is worked as and in the middle of industrial production manufacture, and bolt is also referred to as the rice of industry.The utilization of visible bolt is extensively.In power supply unit terminal and motor bearing, bolt connection quality quality is directly connected to the problem of power supply line and motor device, and in joint because contact resistance is comparatively large, electric current by time often easily produce amount of heat, cause potential safety hazard.Therefore need measuring tempeature timely at main power supply circuits and motor joint, avoid causing ignition of cable because of overheated, the problems such as motor coil damage.
Current temp measuring method mostly is active, although can reach the object of thermometric, installation and maintenance cost is higher.The active temperature measurement module used in power industry or equipment mainly adopts bandage type and pressing formed type to fix, cannot assurance module and the good combination of point for measuring temperature, and module adopts powered battery simultaneously, causes temperature measurement module volume large, cannot blackout when thermometric space is less; Module adopts powered battery, is also easily interfered, causes the damage of module in power supply line, and the working life of label is short simultaneously.
The utility model patent patent No. is 2012100806678, and patent name is a kind of temperature and humidity electronic tag of wireless active, and in this model utility, it mainly comprises outside micro-control unit (MCU), sensor, radio frequency builds unit and storage; For being realized Quick Measurement and the record of temperature by RF identification and sensor technology; Described micro-control unit respectively with build unit outside sensor, radio frequency and storage is connected; The instruction turn on sensor that described MCU can build unit outside received RF carries out thermometric work, and is stored in which memory by the thermographic data measured.The shortcoming of this technology: 1, in scheme, label is active electronic label, causes temperature measurement module volume large, cannot install when thermometric space is less; 2, later maintenance workload is larger.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of temperature measurement module and bolt is integral type structure, while construction bolt, also temp sensing function is possessed, adopt passive RFID technology simultaneously,, there is not the passive temperature-measuring bolt based on RFID technique of the problem of cell damage or later maintenance in long service life.
The utility model is achieved through the following technical solutions: a kind of passive temperature-measuring bolt based on RFID technique, comprise a bolt, this bolt is made up of the nut of upper end and the stud that is arranged at nut lower end, the end portion of stud is provided with the thread for being fastenedly connected, one is offered in advance for placing the groove of passive RFID temperature measuring label at the nut top of bolt, the degree of depth of this groove enough puts into passive RFID temperature measuring label, the shape of described groove is circular or square or triangle or rhombus, loads passive RFID temperature measuring label in this groove;
This passive RFID temperature measuring label comprises label and fixes packing, and the shape that packing fixed by label is identical with groove shapes, and the upper-end surface that packing fixed by label is concordant mutually with the upper-end surface of nut;
Label is fixed packing and is embedded in and arranges the RFID chip that carries automatic tuning circuit, the two ends of described RFID chip respectively connect a RFID antenna, RFID antenna and mobile hand-held device or fixed recognition apparatus wireless transmission, RFID antenna in the shape of a spiral, directly fix packing with label and contact by the outside of RFID antenna.
As preferred technological scheme, the material of described RFID antenna is temperature-measurement material, this kind of material impedance variation with temperature and changing.
As preferred technological scheme, described RFID chip adopts the electronic tag of 840MHz ~ 960MHzUHF frequency range.
As preferred technological scheme, described bolt adopts metallic material to make.
As preferred technological scheme, described label is fixed packing and is adopted insulating material to make.
As preferred technological scheme, the bottom spreading glue connection bonding with groove floor of packing fixed by described label.
As preferred technological scheme, the outer wrap of described RFID chip has the protective layer preventing RFID chip from damaging, and the inside of RFID chip is provided with a memory block.
The beneficial effects of the utility model are: the utility model label adopts wireless and passive technology, without later maintenance cost; And temperature measurement module and bolt design for integral type, without installation question, temp measuring system volume is little, can be applicable to the position thermometric of narrow space, and adopts RFID to identify, has the advantages such as decipherment distance is far away, recognition speed is fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the cut-away view that in the utility model, packing fixed by label.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As depicted in figs. 1 and 2, this bolt 1 is made up of the nut of upper end and the stud that is arranged at nut lower end, the end portion of stud is provided with the thread for being fastenedly connected, one is offered in advance for placing the groove of passive RFID temperature measuring label at the nut top of bolt, the degree of depth of this groove enough puts into passive RFID temperature measuring label, the shape of described groove is circular or square or triangle or rhombus, loads passive RFID temperature measuring label in this groove;
This passive RFID temperature measuring label comprises label and fixes packing 2, and the shape that packing 2 fixed by label is identical with groove shapes, and the upper-end surface that packing 2 fixed by label is concordant mutually with the upper-end surface of nut; When as installed, it is relatively large that label fixes that packing can make, and snapped onto in groove, the frictional force of packing and groove inner wall fixed by increase label, the situation that can prevent from label from fixing packing coming off,
Label is fixed packing and is embedded in and arranges the RFID chip 4 that carries automatic tuning circuit, the two ends of described RFID chip 4 respectively connect a RFID antenna 3, RFID antenna 3 and mobile hand-held device or fixed recognition apparatus wireless transmission, RFID antenna 3 in the shape of a spiral, directly fix packing with label and contact by the outside of RFID antenna 3.
Owing to carrying automatic tuning circuit, therefore in use, label can be allowed when antenna impedance constantly changes to allow system be in autotune state.Internal circuit can generate an accurate value and revise altered impedance (a series of " ladder " value).Because the impedance of RFID antenna changes along with environment temperature, therefore this correction value can represent current environmental temperature value.
In the present embodiment, the material of RFID antenna is temperature-measurement material, this kind of material impedance variation with temperature and changing.
Wherein, RFID chip adopts the electronic tag of 840MHz ~ 960MHzUHF frequency range.
In actual use, bolt 1 can adopt metallic material, after this kind is bolted to the position needing thermometric, after the temperature of bolt and jointing equalized temperature, label antenna fixes by label the temperature that packing heat conduction also reaches identical, when operator hold handheld device read this label time, chip for activating after RFID antenna coupling acquisition energy, RFID chip is by the automatic tuning circuit of its inside, antenna electric resistance is now obtained after repeatedly revising, and convert corresponding temperature value to, stored in the memory block of RFID chip, and by RFID antenna, this result is sent to handheld device, complete whole thermometric process.
Wherein, label is fixed packing 2 and is adopted insulating material to make, and in use, can adapt to the temperature of bolt at any time, the temperature of bolt be passed to label and fixes packing, and then this temperature is passed to label and fix RFID antenna in packing.In order to prevent conduction, packing fixed by this label also must adopt insulating material, and concrete selection can be selected in actual use.
Fix packing 2 to not allow label to come off because vibrate with the groove in screw, the bottom spreading glue connection bonding with groove floor of packing can be fixed, certainly, in actual use at label, means of fixation this one more than, also by buckle or other means of fixation.
In the present embodiment; the outer wrap of RFID chip 4 has the protective layer preventing RFID chip 4 from damaging; the inside of RFID chip is provided with a memory block; protective layer is set mainly because RFID chip is high precision electro sub-element; it is easy to be squeezed or external factor and damaging; the normal work of lead-in wire whole system, is therefore provided with protective layer.Memory block in chip is used for storing temperature and information data.
The beneficial effect that technical solutions of the utility model are brought
1, label adopts wireless and passive technology, without later maintenance cost;
2, label adopts temperature measurement module and bolt to design, without installation question for integral type;
3, temp measuring system volume is little, can be applicable to the position thermometric of narrow space;
4, RFID has the advantages such as decipherment distance is far away, recognition speed is fast.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (7)
1. the passive temperature-measuring bolt based on RFID technique, comprise a bolt, this bolt is made up of the nut of upper end and the stud that is arranged at nut lower end, the end portion of stud is provided with the thread for being fastenedly connected, it is characterized in that: offer one in advance at the nut top of bolt for placing the groove of passive RFID temperature measuring label, the degree of depth of this groove enough puts into passive RFID temperature measuring label, the shape of described groove is circular or square or triangle or rhombus, loads passive RFID temperature measuring label in this groove;
This passive RFID temperature measuring label comprises label and fixes packing, and the shape that packing fixed by label is identical with groove shapes, and the upper-end surface that packing fixed by label is concordant mutually with the upper-end surface of nut;
Label is fixed packing and is embedded in and arranges the RFID chip that carries automatic tuning circuit, the two ends of described RFID chip respectively connect a RFID antenna, RFID antenna and mobile hand-held device or fixed recognition apparatus wireless transmission, RFID antenna in the shape of a spiral, directly fix packing with label and contact by the outside of RFID antenna.
2. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: the material of described RFID antenna is temperature-measurement material.
3. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: described RFID chip adopts the electronic tag of 840MHz ~ 960MHzUHF frequency range.
4. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: described bolt adopts metallic material to make.
5. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: described label is fixed packing and adopted insulating material to make.
6. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: the bottom spreading glue connection bonding with groove floor of packing fixed by described label.
7. the passive temperature-measuring bolt based on RFID technique according to claim 1, is characterized in that: the outer wrap of described RFID chip has the protective layer preventing RFID chip from damaging, and the inside of RFID chip is provided with a memory block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859862.XU CN205136299U (en) | 2015-10-31 | 2015-10-31 | Passive temperature measurement bolt based on RFID technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859862.XU CN205136299U (en) | 2015-10-31 | 2015-10-31 | Passive temperature measurement bolt based on RFID technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136299U true CN205136299U (en) | 2016-04-06 |
Family
ID=55622097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520859862.XU Expired - Fee Related CN205136299U (en) | 2015-10-31 | 2015-10-31 | Passive temperature measurement bolt based on RFID technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136299U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240372A (en) * | 2015-10-31 | 2016-01-13 | 深圳市金瑞铭科技有限公司 | Passive temperature measuring bolt based on RFID technology |
| TWI569923B (en) * | 2016-07-05 | 2017-02-11 | 中國氣動工業股份有限公司 | Monitoring system and method for bolting operation |
| CN107763123A (en) * | 2017-10-26 | 2018-03-06 | 安徽农业大学 | A kind of temperature-measuring bolt for being used to measure vehicle brake fluid temperature |
| CN108362396A (en) * | 2018-01-31 | 2018-08-03 | 国家电网公司 | A kind of temperature measurement nut, system and method for ring main unit temperature monitoring |
| CN112958519A (en) * | 2021-02-02 | 2021-06-15 | 深圳市金瑞铭科技有限公司 | Artificial intelligence vision shooting device capable of utilizing rainwater |
-
2015
- 2015-10-31 CN CN201520859862.XU patent/CN205136299U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240372A (en) * | 2015-10-31 | 2016-01-13 | 深圳市金瑞铭科技有限公司 | Passive temperature measuring bolt based on RFID technology |
| TWI569923B (en) * | 2016-07-05 | 2017-02-11 | 中國氣動工業股份有限公司 | Monitoring system and method for bolting operation |
| CN107763123A (en) * | 2017-10-26 | 2018-03-06 | 安徽农业大学 | A kind of temperature-measuring bolt for being used to measure vehicle brake fluid temperature |
| CN108362396A (en) * | 2018-01-31 | 2018-08-03 | 国家电网公司 | A kind of temperature measurement nut, system and method for ring main unit temperature monitoring |
| CN112958519A (en) * | 2021-02-02 | 2021-06-15 | 深圳市金瑞铭科技有限公司 | Artificial intelligence vision shooting device capable of utilizing rainwater |
| CN112958519B (en) * | 2021-02-02 | 2022-04-05 | 深圳市金瑞铭科技有限公司 | Artificial intelligence vision shooting device capable of utilizing rainwater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205136299U (en) | Passive temperature measurement bolt based on RFID technique | |
| CN105240372A (en) | Passive temperature measuring bolt based on RFID technology | |
| CN103269092B (en) | A kind of employing wireless charger carries out the method for charging and wireless charger | |
| CN205138664U (en) | Cable temperature measuring device based on RFID technique | |
| CN201697724U (en) | Temperature monitoring module of running equipment | |
| CN204493392U (en) | With the screw of temperature sensing function | |
| CN104848956A (en) | Wireless passive temperature sensor | |
| CN205861239U (en) | A kind of wireless and passive temperature measuring equipment | |
| CN204831610U (en) | NTC temperature sensor | |
| CN205192650U (en) | Temperature sampling subassembly and battery module thereof | |
| CN106599953A (en) | Convenient lamp parameter modification method | |
| CN204421949U (en) | Humidity temperature monitor | |
| CN203965887U (en) | There is the robot used for intelligent substation patrol of wireless temperature measuring function | |
| CN204389057U (en) | A kind of surface acoustic wave wireless temperature sensor for power switch cabinet static contact | |
| CN105321737B (en) | A kind of intelligent contact system | |
| CN205175449U (en) | Positioner is measured to multinode | |
| CN105355017A (en) | Zigbee technology-based intelligent wireless temperature measurement terminal | |
| CN206514977U (en) | A kind of device, equipment and the system of measurement temperature and/or humidity | |
| CN204479669U (en) | A kind of sensor device for high voltage transmission line fault monitoring | |
| CN203747151U (en) | Ruler for connection of cables | |
| CN203466581U (en) | Charger | |
| CN203177978U (en) | Data centralized transmission device used for cable device temperature on-line monitoring system | |
| CN202533190U (en) | Wireless on-line temperature measuring device for high-voltage switch cabinet bus contact | |
| CN103633702B (en) | A kind of charging base, the charging base charging method to electronic equipment and the electric supply installation of charging base | |
| CN202088343U (en) | Guide sleeve with temperature measuring function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |