CN105701534B - A kind of passive humidity sensor electronic tag - Google Patents
A kind of passive humidity sensor electronic tag Download PDFInfo
- Publication number
- CN105701534B CN105701534B CN201511031511.0A CN201511031511A CN105701534B CN 105701534 B CN105701534 B CN 105701534B CN 201511031511 A CN201511031511 A CN 201511031511A CN 105701534 B CN105701534 B CN 105701534B
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- Prior art keywords
- antenna
- humidity sensor
- electronic tag
- chip
- passive
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Classifications
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- 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
-
- 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
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
Abstract
The invention discloses a kind of passive humidity sensor electronic tags, the electronic tag has been provided simultaneously with the function of a ultra-high-frequency intelligent tag and a humidity sensor, electronic tag includes chip, antenna and sensor composition, the chip is fixed on antenna surface by glue, and the pad of pad and antenna on chip is electrically connected by the solidification of glue.Technology provided by the invention solves must relying on power supply power supply and cannot achieve the problems such as being easily wirelessly transferred for humidity sensor.
Description
Technical field
The present invention relates to the smart tag technology of technical field of RFID and humidity sensor technology, in particular to a kind of nothing
Source humidity sensor electronic tag.
Background technique
With the development of technology of Internet of things, the RFID industry as its basis will also welcome the opportunities and challenges of a new round.
From the point of view of current industrial situation, by further expansion, more and more traditional industries will produce RFID the relevant market of RFID
Product generate demand.
Teleneuron of the sensor technology as smart city, demand is by further expansion.Currently, as humidity sensor
Using, be virtually all to be realized using traditional active sensor, the service life that traditional active sensor uses is shorter, produce
The volume of product is larger, installation and using complex, and the acquisition of data also not smart enoughization cannot achieve automatic real-time data
Management.
Summary of the invention
The present invention for existing humidity sensor service life it is shorter, data cannot achieve real-time radio transmission and management,
The problems such as cannot achieve miniaturization provides a kind of reliable performance, is not necessarily to power supply power supply, can carry out data by wireless radio frequency transmission
The passive humidity sensor electronic tag of acquisition and management.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of passive humidity sensor electronic tag, including chip, antenna and sensor, the chip are fixed on day by glue
The pad on line surface, pad and antenna on chip is electrically connected by the solidification of glue.
Further, the chip is electronic label chip, is provided with 2 antenna bond pads on chip, sets on pad
Salient point is set.
Further, the antenna is poliarizing antenna, and the polarization mode of antenna is one of monopole or dipole.
Further, the sensor is hook switch formula planar conductor type humidity sensor.
Further, the sensor is provided with two electrodes, and each electrode respectively has 2 or more golden fingers,
Golden finger intersects close in order, keeps the corresponding surface of two electrodes big as far as possible.
Further, the sensor is obtained by conductive material by etching or mode of printing, which is
One of aluminium, copper, carbon.
Further, two electrodes of the sensor are connected with two electrodes on antenna respectively.
It is formed by a kind of passive humidity sensor electronic tag using scheme provided by the invention, slim label may be implemented
Form solves in industry that humidity sensor volume is larger in addition gum is directly mounted on body surface, installation and use not side
Just the problem of.In terms of data communication, Usage data collection equipment wirelessly carries out data communication, eliminates traditional
The trouble of sensor wired connection keeps products application more flexible, is more convenient, easily operated.Technical solution provided by the invention will
The manufacture craft of compatible existing electronic tag.
The manufacture craft efficient stable of electronic tag provided by the invention simultaneously has the characteristics that miniaturization, integrated, pole
The earth pushes global passive sensing electronic tag industry development, with good application prospect.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is in present example 1 using the structure chart of the humidity sensor electronic tag of dipole antenna；
Fig. 2 is in present example 2 using the structure chart of the humidity sensor electronic tag of monopole antenna.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
This example passes through the integrated design of flat surface sensor and antenna, so that antenna performance is reached perfect condition, and combine
The impedance variations of humidity sensor realize the judgement of humidity to the influence of antenna.
Example one
Referring to Fig. 1 which shows the structure of the humidity sensor electronic tag using dipole antenna provided in this example
Figure.As seen from the figure, a kind of passive humidity sensor electronic tag that this example provides mainly includes insulating substrate 100, hyperfrequency day
400 three parts of line 200, humidity sensor 300 and chip.
Wherein, ultra-high frequency antenna 200 is arranged constitutes ultrahigh frequency electronic tag antenna on insulating substrate 100, and chip 400
It is then fixed in antenna surface, and the pad on chip is electrically connected with pad 203,204 corresponding on label antenna, thus
Constitute the main structure of ultrahigh frequency electronic tag.
Chip 400 in electronic tag is the data processing centre in entire electronic tag, which specifically uses can be real
Show the chip of ultrahigh frequency electronic tag function, has two ultra-high frequency antenna input pads on chip.
Meanwhile the chip has one group of unique chip id coding, chip id coding can be read in chip operation,
Obtain corresponding chip id coding.
The chip 400 during installation, realized using corresponding glue and is reliably connected with antenna, and the glue is using epoxy resin
Glue realizes being reliably connected and chip being securely fixed in antenna table for chip bonding pad and antenna bond pad by epoxide-resin glue
Face.
The epoxide-resin glue specifically can be used the epoxide-resin glue with unidirectional anisotropic electric conductivity.
As replacement, which also can be used the unidirectional same sex conducting resinl with conductive particle.
(poly- couple of frangible papery, PET specifically can be used for carrying ultra-high frequency antenna 200 in insulating substrate 100 in label
Phthalic acids plastics) substrate, PI (polyimides) substrate, one of epoxy resin substrate, both guaranteed the property of label antenna
Reliably, and the requirement of different application condition can be adapted to.
Ultra-high frequency antenna 200 relative to be arranged on the surface for having conductive pattern of insulating substrate 100, thus constitute
The main structure of passive humidity sensor electronic tag.
When specific implementation, ultra-high frequency antenna 200 is dipole ultra-high frequency antenna, it is main include a ring shaped conductive figure and
Two signal input terminals 203 and 204, two signal input terminals are separately connected ring shaped conductive figure and form a semiclosed knot
Two terminals of the resonant ring of structure, resonant ring are connected by epoxide-resin glue with the ultra-high frequency antenna input terminal of chip, are formed humorous
Shake circuit.
Wherein, ring shaped conductive figure is distributed in the cross central line (diagram direction) of insulating substrate 100 for the axis of symmetry
The side on 100 surface of insulating substrate, and two signal input terminals 203 and 204 are symmetrically located on the inside of ring shaped conductive figure
Medium position.
It further include the electrode 201 and 202 of two extensions on this basis, in ultra-high frequency antenna 200, one end of electrode is each
It is connected with the side of resonant ring, the other end of electrode is arranged in divergent shape, and the electrode of emitting shape and the centre of resonant ring can be set
Multiple polyline shaped figures are set, to adjust the impedance matching of antenna.
The conductive pattern of the divergence form according to actual needs, can be designed to curved shape or other any shapes, one
End connected with ring shaped conductive figure, the other end along insulating substrate 100 extending direction be arranged and it is hanging.By leading for two divergence forms
The region constituted between electrograph shape is for being arranged humidity sensor 300.
Humidity sensor 300 is made of connectivity port 301 and 302, hook switch golden finger 303,304.301 He of connectivity port
302 are correspondingly connected with two signal input terminals 203 and 204 of ultra-high frequency antenna 200 and resonance ring forms parallel connection respectively
Circuit；The hook switch structure of multiple golden fingers 303 and 304, is respectively made of 2 or more golden fingers, and each golden finger shape is thin
Elongated structure, golden finger cross arrangement one by one form hook switch structure, the gap between each golden finger between 0.05~0.5mm,
Specific size is formulated according to sensitivity requirement.This programme selects the golden finger hook switch structure in the gap 0.15mm, unilateral each setting 3
A golden finger forms one group of humidity sensor.
This example of scheme can be formed with 840-960MHz ultra-high frequency band humidity sensor electronic tag accordingly, and the label is not
Only size is small, and thickness is thin, can adapt to the requirement of various working environments.
Example two
Referring to fig. 2 which shows the structure of the humidity sensor electronic tag using monopole antenna provided in this example
Figure.As seen from the figure, a kind of passive humidity sensor electronic tag that this example provides mainly includes insulating substrate 100, hyperfrequency day
400 three parts of line 200, humidity sensor 300 and chip.
Wherein, ultra-high frequency antenna 200 is arranged constitutes ultrahigh frequency electronic tag antenna on insulating substrate 100, and chip 400
It is then fixed in antenna surface, and the pad on chip is electrically connected with pad 203,204 corresponding on label antenna, thus
Constitute the main structure of ultrahigh frequency electronic tag.
Chip 400 in electronic tag is the data processing centre in entire electronic tag, which specifically uses can be real
Show the chip of ultrahigh frequency electronic tag function, has two ultra-high frequency antenna input pads on chip.
Meanwhile the chip has one group of unique chip id coding, chip id coding can be read in chip operation,
Obtain corresponding chip id coding.
The chip 400 during installation, realized using corresponding glue and is reliably connected with antenna, and the glue is using epoxy resin
Glue realizes being reliably connected and chip being securely fixed in antenna table for chip bonding pad and antenna bond pad by epoxide-resin glue
Face.
The epoxide-resin glue specifically can be used the epoxide-resin glue with unidirectional anisotropic electric conductivity.
As replacement, which also can be used the unidirectional same sex conducting resinl with conductive particle.
(poly- couple of frangible papery, PET specifically can be used for carrying ultra-high frequency antenna 200 in insulating substrate 100 in label
Phthalic acids plastics) substrate, PI (polyimides) substrate, one of epoxy resin substrate, both guaranteed the property of label antenna
Reliably, and the requirement of different application condition can be adapted to.
Ultra-high frequency antenna 200 relative to be arranged on the surface for having conductive pattern of insulating substrate 100, thus constitute
The main structure of passive humidity sensor electronic tag.
When specific implementation, ultra-high frequency antenna 200 is monopole ultra-high frequency antenna, it is main include a ring shaped conductive figure and
Two signal input terminals 203 and 204, two signal input terminals are separately connected ring shaped conductive figure and form a semiclosed knot
Two terminals of the resonant ring of structure, resonant ring are connected by epoxide-resin glue with the ultra-high frequency antenna input terminal of chip, are formed humorous
Shake circuit.
Wherein, ring shaped conductive figure is distributed in the cross central line (diagram direction) of insulating substrate 100 for the axis of symmetry
The side on 100 surface of insulating substrate, and two signal input terminals 203 and 204 are symmetrically located on the inside of ring shaped conductive figure
Medium position.
It further include the electrode 201 of an extension, each harmony in one end of electrode on this basis, in ultra-high frequency antenna 200
The side of vibration ring is connected, and the other end of electrode is arranged in divergent shape.
The conductive pattern of the divergence form according to actual needs, can be designed to curved shape or other any shapes, one
End connected with ring shaped conductive figure, the other end along insulating substrate 100 extending direction be arranged and it is hanging.
Humidity sensor 300 is made of connectivity port 301 and 302, hook switch golden finger 303,304.301 He of connectivity port
302 are correspondingly connected with two signal input terminals 203 and 204 of ultra-high frequency antenna 200 and resonance ring forms parallel connection respectively
Circuit；The hook switch structure of multiple golden fingers 303 and 304, is respectively made of 2 or more golden fingers, and each golden finger shape is thin
Elongated structure, golden finger cross arrangement one by one form hook switch structure, the gap between each golden finger between 0.05~0.5mm,
Specific size is formulated according to sensitivity requirement.This programme selects the golden finger hook switch structure in the gap 0.15mm, unilateral each setting 3
A golden finger forms one group of humidity sensor.
By upper example it is found that this programme is to have no chance combining for electronic tag by humidity sensor and hyperfrequency, removal
The power supply of conventional active sensor, greatly prolongs the service life of product, and product can also be made very light and handy, and installation makes
With conveniently, the application of low cost can be more realized.
Furthermore this programme can be widely used for the humidity detection field of inexpensive demand, such as the detection of the waterproof of vehicle, ship
The occasions such as anti-sump Humidity Detection, seafood products storage and transport process Humidity Detection, the Humidity Detection of constant-temperature constant-humidity environment.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of passive humidity sensor electronic tag, which is characterized in that the electronic tag includes chip, antenna and sensor,
The chip is directly mounted by gum and is fixed on antenna surface, and the pad of the pad and antenna on chip consolidating by glue
Change is directly electrically connected；Antenna is dipole ultra-high frequency antenna, mainly includes a ring shaped conductive figure and two signals
Input terminal, two signal input terminals are separately connected the resonant ring that ring shaped conductive figure forms a semi-closed structure, resonance
Two terminals of ring are connected by epoxide-resin glue with the ultra-high frequency antenna input terminal of chip, and resonant tank is formed；
Wherein, ring shaped conductive figure is distributed in the one of insulating substrate surface using the cross central line of insulating substrate as the axis of symmetry
Side, and two signal input terminals are symmetrically located in the medium position on the inside of ring shaped conductive figure；In antenna further include two to prolong
One end of the electrode stretched, electrode is respectively connected with the side of resonant ring, and the other end of electrode is arranged in divergent shape, the electricity of emitting shape
The settable multiple polyline shaped figures in pole and the centre of resonant ring, to adjust the impedance matching of antenna；The conductive pattern of divergence form
One end is connected with ring shaped conductive figure, the other end along insulating substrate extending direction setting and it is hanging；By leading for two divergence forms
The region constituted between electrograph shape is for being arranged humidity sensor.
2. a kind of passive humidity sensor electronic tag according to claim 1, which is characterized in that the chip is electronics
Label chip is provided with 2 antenna bond pads on chip, and salient point is provided on pad.
3. a kind of passive humidity sensor electronic tag according to claim 1, which is characterized in that the antenna is polarization
Antenna, the polarization mode of antenna are one of monopole or dipole.
4. a kind of passive humidity sensor electronic tag according to claim 1, which is characterized in that the sensor is fork
Spring formula planar conductor type humidity sensor.
5. a kind of passive humidity sensor electronic tag according to claim 4, which is characterized in that the sensor setting
Two electrodes, each electrode respectively have 2 an or more golden fingers, and golden finger intersects close in order, make two electrodes
Corresponding surface is big as far as possible.
6. a kind of passive humidity sensor electronic tag according to claim 4 or 5, which is characterized in that the sensor
It is obtained by conductive material by etching or mode of printing, which is one of aluminium, copper, carbon.
7. a kind of passive humidity sensor electronic tag according to claim 4 or 5, which is characterized in that the sensor
Two electrodes be connected respectively with two electrodes on antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031511.0A CN105701534B (en) | 2015-12-31 | 2015-12-31 | A kind of passive humidity sensor electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031511.0A CN105701534B (en) | 2015-12-31 | 2015-12-31 | A kind of passive humidity sensor electronic tag |
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| Publication Number | Publication Date |
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| CN105701534A CN105701534A (en) | 2016-06-22 |
| CN105701534B true CN105701534B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511031511.0A Active CN105701534B (en) | 2015-12-31 | 2015-12-31 | A kind of passive humidity sensor electronic tag |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106203585A (en) * | 2016-06-28 | 2016-12-07 | 湖北华威科智能技术有限公司 | A kind of RFID of band Temperature Humidity Sensor |
| CN109946341A (en) * | 2019-03-18 | 2019-06-28 | 上海珈羽国际贸易有限公司 | A kind of passive and wireless perspiration state-detection sensing textile label for clothing |
| CN109784458B (en) * | 2019-03-18 | 2024-04-05 | 上扬无线射频科技扬州有限公司 | Electronic tag chip suitable for flip chip bonding and passive ultrahigh frequency RFID tag with temperature sensor |
| CN110110832A (en) * | 2019-06-18 | 2019-08-09 | 金旭 | A kind of moisture transducer RFID label tag and its application system |
| CN112461896A (en) * | 2020-11-17 | 2021-03-09 | 丁川 | Humidity sensor and manufacturing method thereof |
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| CN201819897U (en) * | 2010-04-05 | 2011-05-04 | 江苏瑞新科技股份有限公司 | Wireless data-transmission temperature-humidity sensor with electronic tag |
| CN201892966U (en) * | 2010-05-12 | 2011-07-06 | 上海华申泰格软件有限公司 | Intelligent temperature sensing tag |
| CN102663482A (en) * | 2012-03-23 | 2012-09-12 | 李俊峰 | Wireless temperature-humidity electronic label |
| CN205354076U (en) * | 2015-12-31 | 2016-06-29 | 上海仪电智能电子有限公司 | Take passive tag of humidity sensing part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202404635U (en) * | 2011-11-30 | 2012-08-29 | 上海博应信息技术有限公司 | Ultra-thin bending-resistant electronic tag card |
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2015
- 2015-12-31 CN CN201511031511.0A patent/CN105701534B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201819897U (en) * | 2010-04-05 | 2011-05-04 | 江苏瑞新科技股份有限公司 | Wireless data-transmission temperature-humidity sensor with electronic tag |
| CN201892966U (en) * | 2010-05-12 | 2011-07-06 | 上海华申泰格软件有限公司 | Intelligent temperature sensing tag |
| CN102663482A (en) * | 2012-03-23 | 2012-09-12 | 李俊峰 | Wireless temperature-humidity electronic label |
| CN205354076U (en) * | 2015-12-31 | 2016-06-29 | 上海仪电智能电子有限公司 | Take passive tag of humidity sensing part |
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| CN105701534A (en) | 2016-06-22 |
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