CN110836679A - SAW surface acoustic wave passive wireless sensor device - Google Patents
SAW surface acoustic wave passive wireless sensor device Download PDFInfo
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- CN110836679A CN110836679A CN201911064269.5A CN201911064269A CN110836679A CN 110836679 A CN110836679 A CN 110836679A CN 201911064269 A CN201911064269 A CN 201911064269A CN 110836679 A CN110836679 A CN 110836679A
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- fixed
- connecting rod
- acoustic wave
- surface acoustic
- wireless sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/48—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using wave or particle radiation means
Abstract
The invention discloses a SAW (surface acoustic wave) passive wireless sensor device which comprises a base, fixing holes, a fixing seat, an auxiliary mechanism and fixing grooves, wherein the fixing holes with equal intervals are formed in the base, the fixing seat is arranged at the top end of the base, the auxiliary mechanism is fixed on the side of the fixing seat, the fixing groove is formed in the fixing seat, an inductor is arranged in the fixing groove, limit holes with equal intervals are formed in two sides of the fixing groove above the inductor, a locking mechanism is arranged in each limit hole, support rods with equal intervals are fixed at the top end of the base, one ends of the support rods extend to the outside of the fixing seat and are fixed with clamping blocks, and clamping balls are arranged in each clamping block. The invention not only realizes the function of conveniently containing sound waves, the function of slowing down the aging time of the sensor, but also realizes the function of conveniently dismounting the mechanism.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a SAW (surface acoustic wave) passive wireless sensor device.
Background
Along with the more and more sound waves found in nature, various sound waves have certain influence on the life of people, an inductor is needed when sound wave information is collected, and a SAW (surface acoustic wave) passive wireless sensor device is an important component part of the SAW passive wireless sensor device, so that the device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:
(1) when the traditional SAW surface acoustic wave passive wireless sensor device is used, the resolution is low when the device is used due to the insufficient functions;
(2) when the traditional SAW surface acoustic wave passive wireless sensor device is used, the service life is low due to the insufficient protection measures;
(3) when the traditional SAW surface acoustic wave passive wireless sensor device is used, due to the inconvenience of disassembly and assembly, the device is extremely inconvenient to replace.
Disclosure of Invention
The invention aims to provide a SAW (surface acoustic wave) passive wireless sensor device, which aims to solve the problems of insufficient device functions, insufficient protection measures and inconvenience in disassembly and assembly in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a passive wireless sensor device of SAW surface acoustic wave, includes base, fixed orifices, fixing base, complementary unit and fixed slot, the inside of base is provided with equidistant fixed orifices, the top of base is provided with the fixing base, and the side of fixing base all is fixed with complementary unit, the inside of fixing base is provided with the fixed slot, the inside of fixed slot is provided with the inductor, the fixed slot both sides of inductor top all are provided with equidistant spacing hole, and the inside in spacing hole all is provided with locking mechanical system.
Preferably, the top of base is fixed with equidistant bracing piece, and the one end of bracing piece all extends to the outside of fixing base and is fixed with the joint piece, the inside of joint piece all is provided with the joint ball, and the top of joint ball all is fixed with the protection casing.
Preferably, one side that the inside fixed slot of fixing base is close to complementary unit all is provided with the guiding groove, one side that the fixed slot was kept away from to the inside guiding groove of fixing base all is provided with the joint groove.
Preferably, guiding board, fixed block, pressing board, push rod, first limiting plate, spacing groove, movable groove, first spring, second limiting plate and movable rod have set gradually to complementary unit's inside, the both ends of guiding board one side all are provided with the fixed block, and one side and the fixing base fixed connection of fixed block.
Preferably, the inside of fixed block all is provided with the spacing groove, and the inside of spacing groove all is provided with the push rod, the one end that the push rod is close to the guide board all extends to the inside of fixed block, the one end that the guide board was kept away from to the push rod all extends to the outside of fixed block and is fixed with according to the board, be fixed with first limiting plate on the push rod outer wall of spacing inslot portion.
Preferably, one side of the guide plate inside is provided with the movable groove, and the movable groove inside is provided with first spring, the first spring both ends of movable inslot portion all are provided with the second limiting plate, and the one end that first spring was kept away from to the second limiting plate all is fixed with the movable rod, the one end of movable rod all extends to the inside and the push rod of fixed block and mutually supports.
Preferably, a main connecting rod, a limiting rod, a guide hole, a guide rod, a second spring, a fixing plate and an auxiliary connecting rod are sequentially arranged in the locking mechanism, the second springs at equal intervals are fixed at the top end of the main connecting rod, and the auxiliary connecting rod is fixed at the top end of each second spring.
Preferably, one side of the inside of the secondary connecting rod, which is far away from the second spring, is provided with a guide hole, and the inside of the guide hole is provided with a guide rod.
Preferably, the one end of guide bar all extends to the outside of auxiliary connecting rod and with main connecting rod fixed connection, the other end of guide bar all extends to the outside of auxiliary connecting rod and is fixed with the fixed plate, the both sides of main connecting rod bottom and the both sides on auxiliary connecting rod top all are fixed with the gag lever post, and the one end of gag lever post all mutually supports with spacing hole.
Compared with the prior art, the invention has the beneficial effects that: the SAW surface acoustic wave passive wireless sensor device not only realizes the function of conveniently containing acoustic waves of the mechanism, realizes the function of slowing down the aging time of the sensor, but also realizes the function of conveniently dismounting and mounting the mechanism;
(1) the sensor is arranged in the fixing groove formed in the fixing seat, the guide grooves are arranged on two sides of the fixing groove, the clamping groove is formed in one side, away from the fixing groove, of the guide groove in the fixing seat, the fixing blocks are fixed on two sides of the fixing seat, the guide plate is arranged between the fixing blocks, and the guide plate and the clamping groove are mutually clamped, so that the function that the mechanism is convenient to store sound waves is achieved, and the resolution ratio of the SAW passive surface acoustic wave wireless sensor device in use is improved;
(2) the supporting rods with equal intervals are fixed at the top end of the base, the clamping blocks are fixed at the top ends of the supporting rods, the clamping balls are arranged in the clamping blocks, and the protective covers are fixed at the top ends of the clamping balls, so that the function of slowing down the aging time of the sensor by the mechanism is realized, and the service life of the SAW surface acoustic wave passive wireless sensor is prolonged;
(3) fixed slot both sides through the inductor top set up spacing hole, the inside in spacing hole sets up the gag lever post, the fixed primary connecting rod of gag lever post one end of fixed slot one side, the fixed secondary connecting rod of gag lever post one end of fixed slot opposite side, the fixed equidistant second spring in primary connecting rod top, the other end and the secondary connecting rod fixed connection of second spring, the inside one side of keeping away from the second spring of secondary connecting rod sets up the bullport, the inside of bullport sets up the guide bar, the one end of guide bar extend to the outside of secondary connecting rod and with primary connecting rod fixed connection, the other end of guide bar extends to the outside and the fixed plate of secondary connecting rod, the function of the dismouting of being convenient for of this mechanism has been realized, thereby the convenience of this passive wireless sensor device of SAW when using has been.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic top cross-sectional view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of a front view of the base of the present invention;
FIG. 5 is a schematic top sectional view of the auxiliary mechanism of the present invention;
FIG. 6 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention.
In the figure: 1. a base; 2. a fixing hole; 3. a fixed seat; 4. an auxiliary mechanism; 401. a guide plate; 402. a fixed block; 403. pressing a plate; 404. a push rod; 405. a first limit plate; 406. a limiting groove; 407. a movable groove; 408. a first spring; 409. a second limiting plate; 410. a movable rod; 5. a protective cover; 6. a support bar; 7. clamping the ball; 8. a clamping block; 9. fixing grooves; 10. a limiting hole; 11. an inductor; 12. a locking mechanism; 1201. a main link; 1202. a limiting rod; 1203. a guide hole; 1204. a guide rod; 1205. a second spring; 1206. a fixing plate; 1207. an auxiliary connecting rod; 13. a guide groove; 14. a clamping groove.
Detailed Description
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: a SAW surface acoustic wave passive wireless sensor device comprises a base 1, fixing holes 2, fixing seats 3, auxiliary mechanisms 4 and fixing grooves 9, wherein the fixing holes 2 with equal intervals are formed in the base 1, the fixing seats 3 are arranged at the top end of the base 1, and the auxiliary mechanisms 4 are fixed on the sides of the fixing seats 3;
the auxiliary mechanism 4 is internally provided with a guide plate 401, a fixed block 402, a pressing plate 403, a push rod 404, a first limit plate 405, a limit groove 406, a movable groove 407, a first spring 408, a second limit plate 409 and a movable rod 410 in sequence, both ends of one side of the guide plate 401 are provided with the fixed block 402, one side of the fixed block 402 is fixedly connected with the fixed seat 3, the fixed block 402 is internally provided with the limit groove 406, the push rod 404 is internally provided with the limit groove 406, one end of the push rod 404 close to the guide plate 401 extends into the fixed block 402, one end of the push rod 404 far away from the guide plate 401 extends to the outside of the fixed block 402 and is fixed with the pressing plate 403, the outer wall of the push rod 404 inside the limit groove 406 is fixed with the first limit plate 405, one side of the inside of the guide plate 401 is provided with the movable groove 407, the movable groove 407 is internally provided with the first spring 408, both ends of, a movable rod 410 is fixed at one end of the second limiting plate 409 far away from the first spring 408, and one end of the movable rod 410 extends into the fixed block 402 to be matched with the push rod 404;
when the mechanism is used, the movable rod 410 is pressed into the guide plate 401, then the guide plate 401 is placed between the fixed blocks 402, under the action of the elastic force of the first spring 408, the second limiting plate 409 can push the movable rod 410 to move into the fixed blocks 402, the guide plate 401 is clamped with the clamping groove 14, when adjustment is needed, the press plate 403 is pressed, the push rod 404 pushes the movable rod 410 to move out of the fixed blocks 402, the guide plate 401 is separated from the fixed blocks 402, and when the surface acoustic wave moves to the guide plate 401, the surface acoustic wave is transmitted to the inductor 11 through the guide plate 401 and the guide groove 13, so that the function of conveniently storing the acoustic wave of the mechanism is realized, and the resolution of the surface acoustic wave passive wireless sensor device is improved when the device is used;
a fixing groove 9 is formed in the fixing seat 3, an inductor 11 is arranged in the fixing groove 9, limiting holes 10 with equal intervals are formed in two sides of the fixing groove 9 above the inductor 11, and a locking mechanism 12 is arranged in each limiting hole 10;
a main connecting rod 1201, a limiting rod 1202, a guide hole 1203, a guide rod 1204, a second spring 1205, a fixing plate 1206 and an auxiliary connecting rod 1207 are sequentially arranged inside the locking mechanism 12, the second spring 1205 with equal intervals is fixed at the top end of the main connecting rod 1201, the auxiliary connecting rod 1207 is fixed at the top end of the second spring 1205, the guide hole 1203 is arranged on one side, far away from the second spring 1205, of the inner portion of the auxiliary connecting rod 1207, the guide rod 1204 is arranged inside the guide hole 1203, one end of the guide rod 1204 extends to the outer portion of the auxiliary connecting rod 1207 and is fixedly connected with the main connecting rod 1201, the other end of the guide rod 1204 extends to the outer portion of the auxiliary connecting rod 1207 and is fixed with the fixing plate 1206, the limiting rods 1202 are fixed on two sides of the bottom end of the main connecting rod 1201 and two sides of the top end of the auxiliary connecting rod 1207, and one;
when the mechanism is used, under the action of the elastic force of the second spring 1205, the main connecting rod 1201 and the auxiliary connecting rod 1207 can push the limiting rod 1202 to move to the inside of the limiting hole 10, when a sensor is replaced or maintained, the auxiliary connecting rod 1207 and the main connecting rod 1201 are moved, and under the action of the guide rod 1204 and the guide hole 1203, the limiting rod 1202 is moved to the outside of the limiting hole 10, so that the function of facilitating disassembly and assembly of the mechanism is realized, and the convenience of the SAW (surface acoustic wave) passive wireless sensor device in use is improved;
the top end of the base 1 is fixedly provided with the supporting rods 6 at equal intervals, one ends of the supporting rods 6 extend to the outer part of the fixing base 3 and are fixedly provided with the clamping blocks 8, the clamping balls 7 are arranged in the clamping blocks 8, and the top ends of the clamping balls 7 are fixedly provided with the protective covers 5, so that the function of slowing down the aging time of the sensor by the mechanism is realized, and the service life of the SAW (surface acoustic wave) passive wireless sensor is prolonged;
one side that fixing base 3 inside fixed slot 9 is close to complementary unit 4 all is provided with guiding groove 13, and one side that fixing slot 9 was kept away from to fixing base 3 inside guiding groove 13 all is provided with joint groove 14.
The working principle is as follows: when the mechanism is used, firstly, the movable rod 410 is pressed into the guide plate 401, then the guide plate 401 is placed between the fixed blocks 402, under the action of the elastic force of the first spring 408, the second limiting plate 409 can push the movable rod 410 to move into the fixed block 402, the guide plate 401 and the clamping groove 14 are clamped with each other, when adjustment is needed, the press plate 403 is pressed, the push rod 404 pushes the movable rod 410 to move out of the fixed block 402, the guide plate 401 is separated from the fixed block 402, when the surface acoustic wave moves to the guide plate 401, the surface acoustic wave can be transmitted to the sensor 11 through the guide plate 401 and the guide groove 13, the function of the mechanism convenient for containing the acoustic wave is realized, the resolution of the SAW passive wireless sensor device in use is improved, then, under the action of the elastic force of the second spring 1205, the main connecting rod 1201 and the auxiliary connecting rod 1207 can push the limiting rod 1202 to move into the limiting hole 10, when the sensor is replaced or, remove vice connecting rod 1207 and main link 1201, it is under the effect of guide pole 1204 and bullport 1203, make gag lever post 1202 move to the outside of spacing hole 10, the function of the dismouting of being convenient for of this mechanism has been realized, thereby the convenience of this passive wireless sensor device of SAW surface acoustic wave when using has been improved, and finally, place protection casing 5 in the top of fixing base 3, press protection casing 5 and make joint ball 7 move into the inside of joint piece 8, be fixed in the top of inductor 11 with protection casing 5, avoided inductor 11 directly to expose in the air, the function that this mechanism slowed down the sensor ageing time has been realized, thereby this passive wireless sensor of SAW surface acoustic wave's life has been prolonged, the work of this passive wireless sensor of SAW surface acoustic wave is finally accomplished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a passive wireless sensor device of SAW surface acoustic wave, includes base (1), fixed orifices (2), fixing base (3), complementary unit (4) and fixed slot (9), its characterized in that: the inside of base (1) is provided with equidistant fixed orifices (2), the top of base (1) is provided with fixing base (3), and the side of fixing base (3) all is fixed with complementary unit (4), the inside of fixing base (3) is provided with fixed slot (9), the inside of fixed slot (9) is provided with inductor (11), fixed slot (9) both sides of inductor (11) top all are provided with equidistant spacing hole (10), and the inside of spacing hole (10) all is provided with locking mechanical system (12).
2. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 1, wherein: the top of base (1) is fixed with equidistant bracing piece (6), and the one end of bracing piece (6) all extends to the outside of fixing base (3) and is fixed with joint piece (8), the inside of joint piece (8) all is provided with joint ball (7), and the top of joint ball (7) all is fixed with protection casing (5).
3. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 1, wherein: one side that fixing base (3) inside fixed slot (9) are close to complementary unit (4) all is provided with guiding groove (13), one side that fixing base (3) inside guiding groove (13) kept away from fixed slot (9) all is provided with joint groove (14).
4. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 1, wherein: the inside of complementary unit (4) has set gradually guide board (401), fixed block (402), presses board (403), push rod (404), first limiting plate (405), spacing groove (406), activity groove (407), first spring (408), second limiting plate (409) and movable rod (410), the both ends of guide board (401) one side all are provided with fixed block (402), and one side and fixing base (3) fixed connection of fixed block (402).
5. A SAW surface acoustic wave passive wireless sensor device, as claimed in claim 4, wherein: the inside of fixed block (402) all is provided with spacing groove (406), and the inside of spacing groove (406) all is provided with push rod (404), push rod (404) are close to the inside that the one end of guide board (401) all extends to fixed block (402), the one end that guide board (401) were kept away from in push rod (404) all extends to the outside of fixed block (402) and is fixed with and presses board (403), be fixed with first limiting plate (405) on push rod (404) outer wall inside spacing groove (406).
6. A SAW surface acoustic wave passive wireless sensor device, as claimed in claim 5, wherein: guide board (401) inside one side is provided with movable groove (407), and movable groove (407) inside is provided with first spring (408), the inside first spring (408) both ends of movable groove (407) all are provided with second limiting plate (409), and the one end that first spring (408) were kept away from to second limiting plate (409) all is fixed with movable rod (410), the inside and push rod (404) of fixed block (402) are all extended to the one end of movable rod (410) are mutually supported.
7. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 1, wherein: the locking mechanism (12) is internally provided with a main connecting rod (1201), a limiting rod (1202), a guide hole (1203), a guide rod (1204), a second spring (1205), a fixing plate (1206) and an auxiliary connecting rod (1207) in sequence, the top ends of the main connecting rod (1201) are fixedly provided with the second springs (1205) at equal intervals, and the top ends of the second springs (1205) are fixedly provided with the auxiliary connecting rod (1207).
8. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 7, wherein: one side of the inside of the auxiliary connecting rod (1207) far away from the second spring (1205) is provided with a guide hole (1203), and a guide rod (1204) is arranged inside the guide hole (1203).
9. A SAW surface acoustic wave passive wireless sensor device as claimed in claim 8, wherein: the utility model discloses a spacing hole (10) of two-way connecting rod (1207) is fixed on the main connecting rod (1201), the one end of guide pole (1204) all extends to the outside of vice connecting rod (1207) and with main connecting rod (1201) fixed connection, the other end of guide pole (1204) all extends to the outside of vice connecting rod (1207) and is fixed with fixed plate (1206), the both sides of main connecting rod (1201) bottom and the both sides on vice connecting rod (1207) top all are fixed with gag lever post (1202), and the one end of gag lever post (1202) all mutually supports with spacing hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911064269.5A CN110836679B (en) | 2019-11-04 | 2019-11-04 | SAW surface acoustic wave passive wireless sensor device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911064269.5A CN110836679B (en) | 2019-11-04 | 2019-11-04 | SAW surface acoustic wave passive wireless sensor device |
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| CN110836679A true CN110836679A (en) | 2020-02-25 |
| CN110836679B CN110836679B (en) | 2021-08-31 |
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| CN103557956A (en) * | 2013-10-10 | 2014-02-05 | 软控股份有限公司 | Wireless passive surface acoustic wave delay line type temperature and pressure sensor |
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| CN206505045U (en) * | 2017-03-07 | 2017-09-19 | 东莞市创造者机械设备有限公司 | A kind of easy-to-dismount ultrasonic probe |
| CN206834316U (en) * | 2017-06-09 | 2018-01-02 | 天津师范大学 | A kind of high-temperature superconducting microwave resonator for being easy to combination to install |
| CN107817363A (en) * | 2017-10-26 | 2018-03-20 | 南通大学 | A kind of resonance single phase unidirectional transducer type surface acoustic wave acceleration transducer |
| CN108680199A (en) * | 2018-04-28 | 2018-10-19 | 北京机械设备研究所 | A kind of surface acoustic wave Temperature Humidity Sensor |
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2019
- 2019-11-04 CN CN201911064269.5A patent/CN110836679B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63307326A (en) * | 1987-06-09 | 1988-12-15 | Fujikura Ltd | Pressure sensor and production thereof |
| CN101644608A (en) * | 2009-05-20 | 2010-02-10 | 中国科学院声学研究所 | Integrated surface acoustic wave wireless temperature sensor |
| CN103557956A (en) * | 2013-10-10 | 2014-02-05 | 软控股份有限公司 | Wireless passive surface acoustic wave delay line type temperature and pressure sensor |
| CN105117764A (en) * | 2015-08-27 | 2015-12-02 | 中电科技德清华莹电子有限公司 | High-performance anti-collision surface acoustic wave delay line type wireless sensor system |
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