CN205354076U - Take passive tag of humidity sensing part - Google Patents
Take passive tag of humidity sensing part Download PDFInfo
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- CN205354076U CN205354076U CN201521140378.8U CN201521140378U CN205354076U CN 205354076 U CN205354076 U CN 205354076U CN 201521140378 U CN201521140378 U CN 201521140378U CN 205354076 U CN205354076 U CN 205354076U
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- antenna
- chip
- humidity sensor
- electronic label
- pad
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Abstract
The utility model discloses a take passive tag of humidity sensing part, this electronic tags have possessed a hyperfrequency intelligent label and a humidity transducer's function simultaneously, and electronic tags includes that chip, antenna and sensor group become, the chip is fixed on the antenna surface through gluing, and the pad on the chip carries out electric connection with the pad of antenna through the solidification of gluing. The utility model provides a must relying on mains operated and can't realizing convenient ground wireless transmission scheduling problem of humidity transducer has been solved to the technique.
Description
Technical field
This utility model relates to smart tag technology and the humidity sensor technology of technical field of RFID, particularly to a kind of passive electronic label with humidity sensor parts.
Background technology
Along with the development of technology of Internet of things, the RFID industry as its basis also will welcome the opportunities and challenges of a new round.With regard to current industrial situation, the relevant market of RFID will expand further, and RFID product will be produced demand by increasing traditional industries.
Sensor technology is as the teleneuron of smart city, and demand will expand further.At present, apply as humidity sensor, be virtually all adopt traditional active sensor to realize, the life-span that traditional active sensor uses is shorter, and the volume of product is relatively big, installs and uses complex, the collection of data is also intelligent not, it is impossible to realize automatically real-time data management.
Utility model content
This utility model is shorter for service life for existing humidity sensor, data cannot realize real-time radio transmission and management, cannot realize the problems such as miniaturization, a kind of dependable performance is provided, power without power supply, the passive humidity sensor electronic tag of data collection and administration can be carried out by wireless radio frequency transmission.
In order to achieve the above object, this utility model adopts the following technical scheme that:
A kind of passive electronic label with humidity sensor parts, including chip, antenna and sensor, described chip is fixed on antenna surface by glue, and the pad of the pad on chip and antenna is electrically connected by the solidification of glue.
Further, described chip is electronic label chip, chip is provided with 2 antenna bond pad, is provided with salient point on pad.
Further, described antenna is poliarizing antenna, the polarization mode of antenna be monopole or dipole one of them.
Further, described sensor is hook switch formula planar conductor type humidity sensor.
Further, described sensor is provided with two electrodes, and each electrode respectively has 2 and above golden finger, and golden finger intersects close in order, and the corresponding surface making two electrodes is as far as possible big.
Further, described sensor by conductive material by etch or mode of printing obtain, this conductive material be aluminum, copper, carbon one of them.
Further, two electrodes of described sensor are connected with two electrodes on antenna respectively.
Utilize a kind of passive electronic label with humidity sensor parts that the scheme that this utility model provides is formed, slim label form can be realized, plus gum directly against being contained in body surface, solve industry humidity sensor bulk relatively big, install and inconvenient problem with use.In data communication, Usage data collection equipment wirelessly carries out data communication, eliminates the trouble of traditional sensor wired connection, makes products application more flexible, more convenient, it is easy to operation.The technical scheme that this utility model provides would be compatible with the processing technology of existing electronic tag.
The simultaneously processing technology efficient stable of the electronic tag that this utility model provides, has miniaturization, the feature such as integrated, greatly promotes whole world passive sensing electronic tag industry development, have good application prospect.
Accompanying drawing explanation
This utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structure chart of the humidity sensor electronic tag adopting dipole antenna in this utility model example 1；
Fig. 2 is the structure chart of the humidity sensor electronic tag adopting monopole antenna in this utility model example 2.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, this utility model is expanded on further.
The integrated design by flat surface sensor and antenna of this example, makes antenna performance reach perfect condition, and the impact of antenna realizes the judgement of humidity in conjunction with the impedance variation of humidity sensor.
Example one
Referring to Fig. 1, the structure chart of its humidity sensor electronic tag adopting dipole antenna showing in this example to provide.As seen from the figure, a kind of passive electronic label with humidity sensor parts that this example provides mainly includes insulating substrate 100, ultra-high frequency antenna 200, humidity sensor 300 and chip 400 3 part.
Wherein, ultra-high frequency antenna 200 is arranged on insulating substrate 100 and constitutes ultrahigh frequency electronic tag antenna, chip 400 is then fixed in antenna surface, and the pad 203,204 corresponding with on label antenna of the pad on chip is electrically connected, and thus constitutes the agent structure of ultrahigh frequency electronic tag.
Chip 400 in electronic tag is the data processing centre in whole electronic tag, and this chip specifically adopts the chip that can realize ultrahigh frequency electronic tag function, and chip possesses two ultra-high frequency antenna input pads.
Meanwhile, this chip has one group of unique chip id coding, and this chip id coding can be read when chip operation, it is thus achieved that corresponding chip id coding.
This chip 400 when mounted, adopts corresponding glue to realize and being reliably connected of antenna, and this glue adopts epoxide-resin glue, realizes being reliably connected and chip being securely fixed in antenna surface of chip bonding pad and antenna bond pad by epoxide-resin glue.
The epoxide-resin glue with unidirectional opposite sex electric conductivity specifically can be adopted for this epoxide-resin glue.
As what replace, this epoxide-resin glue also can adopt the unidirectional same sex conducting resinl with conductive particle.
Insulating substrate 100 in label is used for carrying ultra-high frequency antenna 200, specifically can adopt the one in frangible papery, PET (poly terephthalic acid class plastics) base material, PI (polyimides) base material, epoxy resin base material, both ensure the dependable performance of label antenna, be adapted to again the requirement of different application condition.
Ultra-high frequency antenna 200 relative to the surface having conductive pattern being arranged on insulating substrate 100 on, thus constitute the agent structure of passive humidity sensor electronic tag.
When implementing, ultra-high frequency antenna 200 is dipole ultra-high frequency antenna, mainly include a ring shaped conductive figure and two signal input terminals 203 and 204, two signal input terminals connect ring shaped conductive figure respectively and form the resonant ring of a semi-closed structure, two terminals of resonant ring are connected by the ultra-high frequency antenna input of epoxide-resin glue and chip, form resonant tank.
Wherein, ring shaped conductive figure is with the cross central line (direction as shown) of insulating substrate 100 for the axis of symmetry, it is distributed in the side on insulating substrate 100 surface, and two signal input terminals 203 and 204 are symmetrically located in the medium position inside ring shaped conductive figure.
Go up on this basis, ultra-high frequency antenna 200 also includes two electrodes 201 and 202 extended, one end of electrode is respectively connected with the side of resonant ring, the other end of electrode is that divergent shape is arranged, the electrode of emitting shape and the centre of resonant ring can arrange multiple polyline shaped figure, to adjust the impedance matching of antenna.
The conductive pattern of this divergence form is according to actual needs, it is possible to being designed to shape or other any shapes of bending, one end and ring shaped conductive figure and connect, the other end is arranged and unsettled along the bearing of trend of insulating substrate 100.By the region constituted between the conductive pattern of two divergence forms for arranging humidity sensor 300.
Humidity sensor 300 is made up of connectivity port 301 and 302, hook switch golden finger 303,304.Connectivity port 301 and 302 couples together with two signal input terminals 203 and 204 correspondence of ultra-high frequency antenna 200 respectively, and resonance ring forms parallel circuit；The hook switch structure of multiple golden fingers 303 and 304, is respectively made up of the golden finger of more than 2, and each golden finger is shaped as slender structure, golden finger is cross arrangement one by one, forming hook switch structure, the gap between each golden finger is between 0.05～0.5mm, and concrete size is formulated according to sensitivity requirement.This programme selects the golden finger hook switch structure in 0.15mm gap, monolateral respectively arrange 3 golden fingers and forms one group of humidity sensor.
This example of scheme can be formed and have 840-960MHz ultra-high frequency band humidity sensor electronic tag accordingly, and this label not only size is little, and thickness is thin, it is possible to adapt to the requirement of various working environments.
Example two
Referring to Fig. 2, the structure chart of its humidity sensor electronic tag adopting monopole antenna showing in this example to provide.As seen from the figure, a kind of passive electronic label with humidity sensor parts that this example provides mainly includes insulating substrate 100, ultra-high frequency antenna 200, humidity sensor 300 and chip 400 3 part.
Wherein, ultra-high frequency antenna 200 is arranged on insulating substrate 100 and constitutes ultrahigh frequency electronic tag antenna, chip 400 is then fixed in antenna surface, and the pad 203,204 corresponding with on label antenna of the pad on chip is electrically connected, and thus constitutes the agent structure of ultrahigh frequency electronic tag.
Chip 400 in electronic tag is the data processing centre in whole electronic tag, and this chip specifically adopts the chip that can realize ultrahigh frequency electronic tag function, and chip possesses two ultra-high frequency antenna input pads.
Meanwhile, this chip has one group of unique chip id coding, and this chip id coding can be read when chip operation, it is thus achieved that corresponding chip id coding.
This chip 400 when mounted, adopts corresponding glue to realize and being reliably connected of antenna, and this glue adopts epoxide-resin glue, realizes being reliably connected and chip being securely fixed in antenna surface of chip bonding pad and antenna bond pad by epoxide-resin glue.
The epoxide-resin glue with unidirectional opposite sex electric conductivity specifically can be adopted for this epoxide-resin glue.
As what replace, this epoxide-resin glue also can adopt the unidirectional same sex conducting resinl with conductive particle.
Insulating substrate 100 in label is used for carrying ultra-high frequency antenna 200, specifically can adopt the one in frangible papery, PET (poly terephthalic acid class plastics) base material, PI (polyimides) base material, epoxy resin base material, both ensure the dependable performance of label antenna, be adapted to again the requirement of different application condition.
Ultra-high frequency antenna 200 relative to the surface having conductive pattern being arranged on insulating substrate 100 on, thus constitute the agent structure of passive humidity sensor electronic tag.
When implementing, ultra-high frequency antenna 200 is monopole ultra-high frequency antenna, mainly include a ring shaped conductive figure and two signal input terminals 203 and 204, two signal input terminals connect ring shaped conductive figure respectively and form the resonant ring of a semi-closed structure, two terminals of resonant ring are connected by the ultra-high frequency antenna input of epoxide-resin glue and chip, form resonant tank.
Wherein, ring shaped conductive figure is with the cross central line (direction as shown) of insulating substrate 100 for the axis of symmetry, it is distributed in the side on insulating substrate 100 surface, and two signal input terminals 203 and 204 are symmetrically located in the medium position inside ring shaped conductive figure.
Going up on this basis, also include an electrode 201 extended in ultra-high frequency antenna 200, one end of electrode is respectively connected with the side of resonant ring, and the other end of electrode is that divergent shape is arranged.
The conductive pattern of this divergence form is according to actual needs, it is possible to being designed to shape or other any shapes of bending, one end and ring shaped conductive figure and connect, the other end is arranged and unsettled along the bearing of trend of insulating substrate 100.
Humidity sensor 300 is made up of connectivity port 301 and 302, hook switch golden finger 303,304.Connectivity port 301 and 302 couples together with two signal input terminals 203 and 204 correspondence of ultra-high frequency antenna 200 respectively, and resonance ring forms parallel circuit；The hook switch structure of multiple golden fingers 303 and 304, is respectively made up of the golden finger of more than 2, and each golden finger is shaped as slender structure, golden finger is cross arrangement one by one, forming hook switch structure, the gap between each golden finger is between 0.05～0.5mm, and concrete size is formulated according to sensitivity requirement.This programme selects the golden finger hook switch structure in 0.15mm gap, monolateral respectively arrange 3 golden fingers and forms one group of humidity sensor.
By upper example it can be seen that this programme is to have no chance combining of electronic tag by humidity sensor and hyperfrequency, eliminate the power supply of conventional active sensor, the service life making product is greatly prolonged, product can also be made very light and handy, easy to install, more can realize the application of low cost.
Furthermore, this programme can be widely used for the humidity detection field of low cost demand, the occasion such as the waterproof such as vehicle detects, Humidity Detection of the anti-sump Humidity Detection of boats and ships, seafood products storage and transport process Humidity Detection, constant-temperature constant-humidity environment.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. the pad of the passive electronic label with humidity sensor parts, it is characterised in that described electronic tag includes chip, antenna and sensor, and described chip is fixed on antenna surface by glue, the pad on chip and antenna is electrically connected by the solidification of glue.
2. a kind of passive electronic label with humidity sensor parts according to claim 1, it is characterised in that described chip is electronic label chip, chip is provided with 2 antenna bond pad, is provided with salient point on pad.
3. a kind of passive electronic label with humidity sensor parts according to claim 1, it is characterised in that described antenna is poliarizing antenna, the polarization mode of antenna be monopole or dipole one of them.
4. a kind of passive electronic label with humidity sensor parts according to claim 1, it is characterised in that described sensor is hook switch formula planar conductor type humidity sensor.
5. a kind of passive electronic label with humidity sensor parts according to claim 4, it is characterized in that, described sensor is provided with two electrodes, and each electrode respectively has 2 and above golden finger, golden finger intersects close in order, and the corresponding surface making two electrodes is as far as possible big.
6. a kind of passive electronic label with humidity sensor parts according to claim 4 or 5, it is characterised in that described sensor by conductive material by etch or mode of printing obtain, this conductive material be aluminum, copper, carbon one of them.
7. a kind of passive electronic label with humidity sensor parts according to claim 4 or 5, it is characterised in that two electrodes of described sensor are connected with two electrodes on antenna respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140378.8U CN205354076U (en) | 2015-12-31 | 2015-12-31 | Take passive tag of humidity sensing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140378.8U CN205354076U (en) | 2015-12-31 | 2015-12-31 | Take passive tag of humidity sensing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354076U true CN205354076U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521140378.8U Expired - Fee Related CN205354076U (en) | 2015-12-31 | 2015-12-31 | Take passive tag of humidity sensing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105701534A (en) * | 2015-12-31 | 2016-06-22 | 上海仪电智能电子有限公司 | Passive humidity sensing electronic tag |
| CN106358813A (en) * | 2016-10-28 | 2017-02-01 | 深圳市金瑞铭科技有限公司 | Flowerpot capable of detecting soil humidity |
| CN109214491A (en) * | 2018-11-07 | 2019-01-15 | 李志民 | Electronic tag, waterproof roll, roofing leak detection system and its method |
-
2015
- 2015-12-31 CN CN201521140378.8U patent/CN205354076U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105701534A (en) * | 2015-12-31 | 2016-06-22 | 上海仪电智能电子有限公司 | Passive humidity sensing electronic tag |
| CN105701534B (en) * | 2015-12-31 | 2019-02-22 | 上海仪电智能电子有限公司 | A kind of passive humidity sensor electronic tag |
| CN106358813A (en) * | 2016-10-28 | 2017-02-01 | 深圳市金瑞铭科技有限公司 | Flowerpot capable of detecting soil humidity |
| CN109214491A (en) * | 2018-11-07 | 2019-01-15 | 李志民 | Electronic tag, waterproof roll, roofing leak detection system and its method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20191231 |