CN105572303A - Chemical sensing device - Google Patents
Chemical sensing device Download PDFInfo
- Publication number
- CN105572303A CN105572303A CN201510908083.9A CN201510908083A CN105572303A CN 105572303 A CN105572303 A CN 105572303A CN 201510908083 A CN201510908083 A CN 201510908083A CN 105572303 A CN105572303 A CN 105572303A
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- CN
- China
- Prior art keywords
- housing
- module
- pedestal
- conductor
- transducer
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
Abstract
The invention discloses a chemical sensing device which comprises a cylindrical casing, wherein a plurality of conductors penetrate one end of the casing; one end extending out of the casing, of one of the conductors is connected with a referential module; a sensor module is connected with one ends extending out of the casing, of the other conductors respectively; the referential module includes a first base; a first input transducer and a first output transducer are embedded on two sides of the surface of the first base respectively; a referential film is disposed in the middle of the surface of the first base; two ends of the referential film are connected with the first input transducer and the first output transducer respectively; and both the first input transducer and the first output transducer are connected with the conductors through leads; and each sensor module comprises a second base. The chemical sensing device can detect various chemical compositions, is high in detection accuracy, easy to repair and maintain, convenient to use, and long in service life.
Description
Technical field
The present invention relates to sensing device technical field, be specially a kind of chemical sensing devices.
Background technology
The chemical composition that the chemical sensing devices of present use can be responded to is all more single; easily by the impact of other environmental factors extraneous; respond to inaccurate; and because chemical sensing devices, usually because integrated level is higher, is not easily repaired, the part of the inside goes wrong and whole device will be lost usually; and can not protect induction position when not needing to respond to; serviceable life is short, and for this reason, we propose a kind of chemical sensing devices.
Summary of the invention
The object of the present invention is to provide a kind of chemical sensing devices, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of chemical sensing devices, comprise housing, described housing is cylindrical, one end of described housing is run through and is provided with multiple conductor, one end that one of them conductor extends to outside connects referrer module, one end that all the other conductors extend to outside is all connected with induction module, described referrer module comprises the first pedestal, the surperficial both sides of described first pedestal are inlaid with the first input transducer and the first output transducer respectively, and the surface middle part of the first pedestal is provided with reference thin film, and the two ends of reference thin film connect the first input transducer and the first output transducer respectively, described first input transducer and the first output transducer are all by wire bonding conductor, described induction module comprises the second pedestal, the surperficial both sides of described second pedestal are inlaid with the second input transducer and the second output transducer respectively, and the surface middle part of the second pedestal is provided with sensor film, and the two ends of sensor film connect the second input transducer and the second output transducer respectively, described second input transducer and the second output transducer are all by wire bonding conductor, described housing runs through the one end being provided with conductor and is provided with lid, and one end that conductor is located at enclosure interior all connects frequency mixing module, described frequency mixing module electrical connection filtration module, described filtration module electrical connection contrast module, described contrast module electrical connection processor, described processor is electrically connected communication module and accumulator respectively, communication module is electrically connected external terminal, described accumulator connects charging socket by wire, and charging socket is embedded in housing one end away from conductor.
Preferably, described housing comprises procapsid and back casing, and described charging socket is located at the end face of back casing, and back casing is provided with connecting portion near one end of procapsid, and described procapsid is connected on the side of connecting portion near the end sleeve of back casing.
Preferably; described lid comprises protection cylinder; described protection cylinder is that one end closes and the body of other end opening; the described openend of protection cylinder is connected with the end face of housing; and the closing end of protection cylinder is socketed with swivelling cover; the closing end eccentric position of described protection cylinder is provided with the first through hole, and described swivelling cover is provided with second through hole corresponding with through hole.
Preferably, described first through hole is fan-shaped with the second through hole and size is identical, and the tip of described first through hole is located at the closing end center of protection cylinder.
Preferably, described first pedestal and the second pedestal all have piezoelectric crystal to make.
Compared with prior art, the invention has the beneficial effects as follows: this chemical sensing devices, run through in one end of housing and be provided with multiple conductor, one of them conductor connects referrer module, all the other conductors are provided with induction module, induction module comprises the first pedestal, and on the first pedestal, be provided with transducer, transducer connects sensor film, by reference to the output signal in module and the contrast of the output signal on induction module, thus multiple different chemical composition can be induced, and by surface acoustic wave principle, the signal sensed is obtained a result by contrast, little by external environmental impact, detection accuracy is high, housing is divided into procapsid and back casing, can take apart and maintain and replace is carried out to inside, saving resource, the lid for the protection of induction module is provided with in the end of housing, lid can be opened by swivelling cover or close, close when this sensing device does not use, be conducive to improving serviceable life, and detect the result drawn and can pass to external terminal by communication module, easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is induction module structural representation of the present invention;
Fig. 3 is referrer module structural representation of the present invention;
Fig. 4 is inventive shell structural representation;
Fig. 5 is cover body structure schematic diagram of the present invention.
In figure: 1 housing, 2 lids, 3 conductors, 4 induction modules, 5 referrer module, 6 frequency mixing module, 7 filtration modules, 8 contrast modules, 9 communication modules, 10 accumulators, 11 processors, 12 charging sockets, 101 procapsids, 102 connecting portions, 103 back casings, 201 protection cylinders, 202 swivelling covers, 203 first through holes, 204 second through holes, 41 second pedestals, 42 second input transducers, 43 second output transducers, 44 sensor films, 51 first pedestals, 52 first input transducers, 53 first output transducers, 54 reference thin films.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-5, the invention provides a kind of technical scheme: a kind of chemical sensing devices, comprise housing 1, housing 1 is cylindrical, five conductors 3 are run through in one end of housing 1, and conductor 3 is at the end equidistant arrangement of housing 1, one end that one of them conductor 3 extends to housing 1 outside connects referrer module 5, one end that all the other conductors 3 extend to housing 1 outside is all connected with induction module 4, referrer module 5 comprises the first pedestal 51, the surperficial both sides of the first pedestal 51 are inlaid with the first input transducer 52 and the first output transducer 53 respectively, and the surface middle part of the first pedestal 51 is provided with reference thin film 54, and the two ends of reference thin film 54 connect the first input transducer 52 and the first output transducer 53 respectively, first input transducer 52 and the first output transducer 53 are all by wire bonding conductor 3, induction module 4 comprises the second pedestal 41, the surperficial both sides of the second pedestal 41 are inlaid with the second input transducer 42 and the second output transducer 43 respectively, and the surface middle part of the second pedestal 41 is provided with sensor film 44, and the two ends of sensor film 44 connect the second input transducer 42 and the second output transducer 43 respectively, second input transducer 42 and the second output transducer 43 are all by wire bonding conductor 3, this chemical sensing devices, run through in one end of housing 1 and be provided with multiple conductor 3, one of them conductor 3 connects referrer module 5, all the other conductors 3 are provided with induction module 4, induction module 4 comprises the first pedestal 51, and on the first pedestal 51, be provided with transducer, transducer connects sensor film 44, thus multiple different chemical composition can be induced, first pedestal 51 and the second pedestal 41 all have piezoelectric crystal to make, housing 1 runs through the one end being provided with conductor 3 and is provided with lid 2, lid 2 comprises protection cylinder 201, protection cylinder 201 closes and the body of other end opening for one end, the openend of protection cylinder 201 is connected with the end face of housing 1, and the closing end of protection cylinder 201 is socketed with swivelling cover 202, the closing end eccentric position of protection cylinder 201 is provided with the first through hole 203, swivelling cover 202 is provided with second through hole 204 corresponding with through hole 203, first through hole 203 is fan-shaped with the second through hole 204 and size is identical, the tip of the first through hole 203 is located at the closing end center of protection cylinder 201, and one end that conductor 3 is located at housing 1 inside all connects frequency mixing module 6, the difference frequency signal of different sensor film 44 and reference thin film 54 is obtained by frequency mixing module 6, frequency mixing module 6 is electrically connected filtration module 7, filtration module 7 is electrically connected contrast module 8, contrast module 8 is electrically connected processor 11, by reference to the output signal contrast in the output signal in module 5 and induction module 4, and by surface acoustic wave principle, the signal sensed is obtained a result by contrast, little by external environmental impact, detection accuracy is high, processor 11 is electrically connected communication module 9 and accumulator 10 respectively, communication module 9 is electrically connected external terminal, and detect the result drawn and can pass to external terminal by communication module 9, easy to use, accumulator 10 connects charging socket 12 by wire, and charging socket 12 is embedded in housing 1 one end away from conductor 3, housing 1 comprises procapsid 101 and back casing 103, charging socket 12 is located at the end face of back casing 103, and back casing 103 is provided with connecting portion 102 near one end of procapsid 101, procapsid 101 is connected on the side of connecting portion 102 near the end sleeve of back casing 103, can take apart and maintain and replace is carried out to inside, saving resource, lid 2 can be opened by swivelling cover 202 or be closed, close when this sensing device does not use, protection induction module 4, be conducive to improving serviceable life.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (6)
1. a chemical sensing devices, comprise housing (1), described housing (1) is for cylindrical, it is characterized in that: one end of described housing (1) is run through and is provided with multiple conductor (3), one of them conductor (3) extends to the outside one end of housing (1) and connects referrer module (5), one end that all the other conductors (3) extend to housing (1) outside is all connected with induction module (4), described referrer module (5) comprises the first pedestal (51), the surperficial both sides of described first pedestal (51) are inlaid with the first input transducer (52) and the first output transducer (53) respectively, and the surface middle part of the first pedestal (51) is provided with reference thin film (54), and the two ends of reference thin film (54) connect the first input transducer (52) and the first output transducer (53) respectively, described first input transducer (52) and the first output transducer (53) are all by wire bonding conductor (3), described induction module (4) comprises the second pedestal (41), the surperficial both sides of described second pedestal (41) are inlaid with the second input transducer (42) and the second output transducer (43) respectively, and the surface middle part of the second pedestal (41) is provided with sensor film (44), and the two ends of sensor film (44) connect the second input transducer (42) and the second output transducer (43) respectively, described second input transducer (42) and the second output transducer (43) are all by wire bonding conductor (3), described housing (1) runs through the one end being provided with conductor (3) and is provided with lid (2), and one end that conductor (3) is located at housing (1) inner all connects frequency mixing module (6), described frequency mixing module (6) electrical connection filtration module (7), described filtration module (7) electrical connection contrast module (8), described contrast module (8) electrical connection processor (11), described processor (11) is electrically connected communication module (9) and accumulator (10) respectively, communication module (9) is electrically connected external terminal, described accumulator (10) connects charging socket (12) by wire, and charging socket (12) is embedded in housing (1) one end away from conductor (3).
2. a kind of chemical sensing devices according to claim 1, it is characterized in that: described housing (1) comprises procapsid (101) and back casing (103), described charging socket (12) is located at the end face of back casing (103), and back casing (103) is provided with connecting portion (102) near one end of procapsid (101), the end sleeve of the close back casing (103) of described procapsid (101) is connected on the side of connecting portion (102).
3. a kind of chemical sensing devices according to claim 1, it is characterized in that: described lid (2) comprises protection cylinder (201), described protection cylinder (201) closes and the body of other end opening for one end, the openend of described protection cylinder (201) is connected with the end face of housing (1), and the closing end of protection cylinder (201) is socketed with swivelling cover (202), the closing end eccentric position of described protection cylinder (201) is provided with the first through hole (203), described swivelling cover (202) is provided with second through hole (204) corresponding with through hole (203).
4. a kind of chemical sensing devices according to claim 3; it is characterized in that: described first through hole (203) is fan-shaped with the second through hole (204) and size is identical, the tip of described first through hole (203) is located at the closing end center of protection cylinder (201).
5. a kind of chemical sensing devices according to claim 1, is characterized in that: described conductor (3) is five, and conductor (3) is at the end equidistant arrangement of housing (1).
6. a kind of chemical sensing devices according to claim 1, is characterized in that: described first pedestal (51) and the second pedestal (41) all have piezoelectric crystal to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908083.9A CN105572303B (en) | 2015-12-08 | 2015-12-08 | A kind of chemical sensing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908083.9A CN105572303B (en) | 2015-12-08 | 2015-12-08 | A kind of chemical sensing devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105572303A true CN105572303A (en) | 2016-05-11 |
| CN105572303B CN105572303B (en) | 2017-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908083.9A Expired - Fee Related CN105572303B (en) | 2015-12-08 | 2015-12-08 | A kind of chemical sensing devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN105572303B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5545897A (en) * | 1994-10-04 | 1996-08-13 | Santa Barbara Research Center | Optically-based chemical detection system |
| US20020043890A1 (en) * | 2000-07-13 | 2002-04-18 | Rutgers, The State University Of New Jersey | Integrated tunable surface acoustic wave technology and sensors provided thereby |
| CN2938088Y (en) * | 2006-07-14 | 2007-08-22 | 中国科学院声学研究所 | Micro-mass sensor for minature mass measurement |
| CN101482530A (en) * | 2008-08-20 | 2009-07-15 | 上海博物馆 | Piezoelectric crystal gas transducer and method for producing the same |
| CN101644696A (en) * | 2008-12-19 | 2010-02-10 | 中国科学院声学研究所 | Love wave gas sensor |
| CN101685077A (en) * | 2008-09-26 | 2010-03-31 | 三星电子株式会社 | Chemical sensor using thin-film sensing member |
| CN102507733A (en) * | 2011-11-01 | 2012-06-20 | 中国科学院微电子研究所 | Surface acoustic wave gas sensor and manufacturing method thereof |
-
2015
- 2015-12-08 CN CN201510908083.9A patent/CN105572303B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5545897A (en) * | 1994-10-04 | 1996-08-13 | Santa Barbara Research Center | Optically-based chemical detection system |
| US20020043890A1 (en) * | 2000-07-13 | 2002-04-18 | Rutgers, The State University Of New Jersey | Integrated tunable surface acoustic wave technology and sensors provided thereby |
| CN2938088Y (en) * | 2006-07-14 | 2007-08-22 | 中国科学院声学研究所 | Micro-mass sensor for minature mass measurement |
| CN101482530A (en) * | 2008-08-20 | 2009-07-15 | 上海博物馆 | Piezoelectric crystal gas transducer and method for producing the same |
| CN101685077A (en) * | 2008-09-26 | 2010-03-31 | 三星电子株式会社 | Chemical sensor using thin-film sensing member |
| CN101644696A (en) * | 2008-12-19 | 2010-02-10 | 中国科学院声学研究所 | Love wave gas sensor |
| CN102507733A (en) * | 2011-11-01 | 2012-06-20 | 中国科学院微电子研究所 | Surface acoustic wave gas sensor and manufacturing method thereof |
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| Publication number | Publication date |
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| CN105572303B (en) | 2017-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Wenxuan Inventor before: Li Yizhao |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171031 Address after: Weihai road 276800 in Shandong Province, Rizhao City Donggang District No. 128 No. 40 Building 1 unit 401 room Applicant after: Xia Wenxuan Address before: 276800 203 Hongqi village, two town, Donggang District, Shandong, Rizhao City Applicant before: Li Yizhao |
|
| GR01 | Patent grant | ||
| 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: 20171215 Termination date: 20191208 |