CN110553720B - Open type ultrasonic sensor - Google Patents
Open type ultrasonic sensor Download PDFInfo
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- CN110553720B CN110553720B CN201910885164.XA CN201910885164A CN110553720B CN 110553720 B CN110553720 B CN 110553720B CN 201910885164 A CN201910885164 A CN 201910885164A CN 110553720 B CN110553720 B CN 110553720B
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- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
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Abstract
The invention relates to the technical field of sensors and discloses an open type ultrasonic sensor which comprises a shell, a piezoelectric ceramic piece and an arc-shaped vibrating diaphragm, wherein the piezoelectric ceramic piece and the arc-shaped vibrating diaphragm are arranged in the shell, the middle part of the lower end of the arc-shaped vibrating diaphragm is fixedly connected with the upper end of the piezoelectric ceramic piece, the lower end of the piezoelectric ceramic piece is fixedly connected with the lower inner side wall of the shell through a fixing rod, the left side and the right side of the piezoelectric ceramic piece are connected with a positive contact pin and a negative contact pin through wires, the lower ends of the positive contact pin and the negative contact pin are respectively fixedly connected with the left side and the right side of the lower inner side wall of the shell. This open ultrasonic sensor can support fixedly to arc-shaped vibrating diaphragm, and can adjust the support dynamics to improve arc-shaped vibrating diaphragm job stabilization nature, and can increase the damping performance of sensor, improve the installation bearing capacity.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to an open type ultrasonic sensor.
Background
The open type sensor is a detection device which can sense the information to be measured and convert the sensed information into an electric signal or other information in a required form according to a certain rule and output the electric signal or other information; at present, with the development of the electronic industry, the application of the open type sensor is more and more extensive, and the requirements on the stability and the durability of the open type sensor are higher and higher.
At present, the open type sensor comprises a bowl type and a non-bowl type, the strength of a received signal of the non-bowl type vibrating diaphragm is far smaller than that of the bowl type vibrating diaphragm, but the bowl type vibrating diaphragm is arc-shaped, and the bowl type vibrating diaphragm is only connected with a point when being bonded with the reverse side of a sensor piezoelectric sheet, so that the bonding force is insufficient, the bowl type vibrating diaphragm falls off after being used for a long time, and the stability and the durability of the open type sensor are greatly reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an open type ultrasonic sensor which has the advantages of improving the bonding firmness of a bowl-shaped vibrating diaphragm and the stability of the sensor, and the like, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose of improving the bonding firmness and the sensor stability of the bowl-shaped vibrating diaphragm, the invention provides the following technical scheme: an open type ultrasonic sensor comprises a shell, a piezoelectric ceramic piece and an arc-shaped vibrating diaphragm, wherein the piezoelectric ceramic piece and the arc-shaped vibrating diaphragm are arranged in the shell, the middle part of the lower end of the arc-shaped vibrating diaphragm is fixedly connected with the upper end of the piezoelectric ceramic piece, the lower end of the piezoelectric ceramic piece is fixedly connected with the lower inner side wall of the shell through a fixing rod, the left side and the right side of the piezoelectric ceramic piece are connected with a positive pin and a negative pin through wires, the lower ends of the positive pin and the negative pin are respectively fixedly inserted with the left side and the right side of the lower inner side wall of the shell, a supporting mechanism is arranged below the shell and is connected with the arc-shaped vibrating diaphragm through the supporting mechanism, an opening corresponding to the position of the arc-shaped vibrating diaphragm is arranged at the upper end of the shell, a dustproof net, the upper end of the mounting plate is provided with a damping mechanism and is connected with the lower end of the shell through the damping mechanism;
the supporting mechanism comprises two arc supporting plates, two supporting rods, two moving rods and a bidirectional threaded rod, the two arc supporting plates are respectively and fixedly connected with the left side and the right side of the lower end of the arc vibrating diaphragm, the lower ends of the two arc supporting plates are respectively and fixedly connected with connecting blocks, the lower ends of the side walls of the two connecting blocks are respectively and rotatably connected with the upper ends of the rod walls of the two supporting rods through first shaft pins, the lower ends of the two moving rods respectively penetrate through the left side and the right side of the inner side wall of the lower end of the shell and extend to the lower side of the shell, the lower inner side wall of the shell is provided with two first strip-shaped holes matched with the moving rods, the bidirectional threaded rod is transversely arranged below the shell, and the two ends of the rod wall of the bidirectional threaded rod are respectively and threadedly connected with the two moving rods, the pole wall both ends of two-way threaded rod all are connected with the fixed plate, two through antifriction bearing rotation the upper end of fixed plate all with the lower lateral wall fixed connection of casing, the horizontal first slide bar that sets up of inside fixedly connected with in first bar hole, the pole wall of carriage release lever is through first through-hole and first slide bar sliding connection.
Preferably, the left end of the bidirectional threaded rod is fixedly connected with a knob, and the surface of the knob is provided with first anti-skidding threads.
Preferably, clean mechanism is including cleaning rod, cleaning rod is located the inside top vertical setting of casing, and the brush hair of a plurality of evenly distributed of last lateral wall fixedly connected with of cleaning rod, cleaning rod's rear end fixedly connected with first slider, the first spout with first slider assorted is seted up to the back inside wall upper end of casing, cleaning rod's front end fixedly connected with push rod, the front end of push rod runs through the preceding lateral wall upper end of casing and extends to the outside setting of casing, the preceding lateral wall upper end of casing seted up with push rod assorted second bar hole.
Preferably, the front end of the push rod is fixedly connected with a push plate, and the surface of the push plate is provided with second anti-skid grains.
Preferably, the ball is embedded in the end, located inside the first sliding chute, of the first sliding block in a rolling manner, and the side wall of the ball is abutted to the bottom of the first sliding chute.
Preferably, the damping mechanism comprises four elastic telescopic rods and a plurality of connecting rods, the lower ends of the four elastic telescopic rods are respectively and fixedly connected with the four corners of the upper end of the mounting plate, the upper ends of the four elastic telescopic rods are respectively and fixedly connected with the four corners of the lower end of the shell, the lower ends of the rod walls of the four connecting rods are respectively and rotatably connected with the lower ends of the rod walls of the four elastic telescopic rods through third shaft pins, the two corresponding connecting rods are oppositely and obliquely arranged, the left side and the right side of the lower end of the shell are respectively provided with second sliding chutes which are longitudinally and symmetrically arranged, the interiors of the four second sliding chutes are respectively connected with a second sliding block in a sliding manner, the upper ends of the rod walls of the four elastic telescopic rods are respectively and rotatably connected with the four second sliding blocks through fourth shaft pins, and the two opposite sides of the front and back corresponding second sliding blocks are fixedly connected with first springs, and one ends of the first springs, far away from the second sliding blocks, are fixedly connected with the side walls of the second sliding grooves.
Preferably, a second sliding rod is fixedly arranged inside the second sliding groove in a longitudinal mode, the second sliding block is connected with the second sliding rod in a sliding mode through a second through hole, and the first spring is movably sleeved with the second sliding rod.
Preferably, the elasticity telescopic link includes first telescopic link and second telescopic link, the lower extreme and the mounting panel fixed connection of first telescopic link, the upper end of first telescopic link seted up with second telescopic link assorted recess, the lower extreme of second telescopic link extends to the inside and the first telescopic link sliding connection of recess, the upper end and the casing lower extreme fixed connection of second telescopic link, the inside of recess is equipped with the second spring, the upper and lower both ends of second spring respectively with the lower extreme of second telescopic link and the tank bottom fixed connection of recess.
Preferably, the rod wall of the second telescopic rod is located the one end fixedly connected with two stopper that the symmetry set up of recess inside, two stopper assorted spacing grooves have been seted up to the lateral wall of recess.
(III) advantageous effects
Compared with the prior art, the invention provides an open type ultrasonic sensor, which has the following beneficial effects:
1. this open ultrasonic sensor, through mutually supporting of two arc backup pads, two bracing pieces, two carriage release levers and two-way threaded rod that are equipped with, the lower extreme both sides that can go on arc-shaped vibrating diaphragm are supported, and can adjust the support dynamics of two arc backup pads and arc-shaped vibrating diaphragm, are convenient for adjust the radian of arc-shaped vibrating diaphragm, make arc-shaped vibrating diaphragm during operation stability higher.
2. This open ultrasonic sensor, through being equipped with cleaning rod, brush hair, first slider, mutually supporting of first spout and push rod, be convenient for clean the dust screen, avoid the mesh of dust screen to block up and influence arc-shaped vibrating diaphragm work, through mutually supporting of four elasticity telescopic links, four connecting rods, four second sliders and four first springs that are equipped with, can carry out the shock attenuation buffering between mounting panel and the casing, improve casing and inside arc-shaped vibrating diaphragm installation bearing capacity.
Drawings
Fig. 1 is a schematic structural diagram of an open type ultrasonic sensor according to the present invention;
FIG. 2 is a schematic side view of the open-type ultrasonic sensor of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion A of the open-type ultrasonic sensor shown in FIG. 2 according to the present invention;
fig. 4 is a schematic cross-sectional view of an open type ultrasonic sensor according to the present invention, the elastic telescopic rod of fig. 1.
In the figure: the device comprises a shell 1, a piezoelectric ceramic plate 2, an arc-shaped vibrating diaphragm 3, a fixing rod 4, a positive pin 5, a negative pin 6, a dustproof net 7, an arc-shaped supporting plate 8, a supporting rod 9, a moving rod 10, a mounting plate 11, a two-way threaded rod 12, a connecting block 13, a fixing plate 14, a knob 15, a first sliding rod 16, a cleaning rod 17, a first sliding block 18, a pushing rod 19, a pushing plate 20, a ball 21, a connecting rod 22, a second sliding block 23, a first spring 24, a second sliding rod 25, a first telescopic rod 26, a second telescopic rod 27, a second spring 28 and a limiting block 29.
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. 1-4, an open ultrasonic sensor comprises a housing 1, a piezoelectric ceramic plate 2 and an arc-shaped vibrating diaphragm 3, wherein the piezoelectric ceramic plate 2 and the arc-shaped vibrating diaphragm 3 are both arranged inside the housing 1, the middle part of the lower end of the arc-shaped vibrating diaphragm 3 is fixedly connected with the upper end of the piezoelectric ceramic plate 2, the lower end of the piezoelectric ceramic plate 2 is fixedly connected with the lower inner side wall of the housing 1 through a fixing rod 4, the left side and the right side of the piezoelectric ceramic plate 2 are connected with a positive pin 5 and a negative pin 6 through leads, the lower ends of the positive pin 5 and the negative pin 6 are respectively fixedly inserted with the left side and the right side of the lower inner side wall of the housing 1, a supporting mechanism is arranged below the housing 1 and connected with the arc-shaped vibrating diaphragm 3 through the supporting mechanism, an opening corresponding to the position of the arc-shaped vibrating diaphragm 3, a mounting plate 11 is arranged below the shell 1, and a damping mechanism is arranged at the upper end of the mounting plate 11 and is connected with the lower end of the shell 1 through the damping mechanism;
the supporting mechanism comprises two arc supporting plates 8, two supporting rods 9, two moving rods 10 and a bidirectional threaded rod 12, the two arc supporting plates 8 are respectively fixedly connected with the left side and the right side of the lower end of the arc vibrating diaphragm 3, the lower ends of the two arc supporting plates 8 are respectively fixedly connected with a connecting block 13, the lower ends of the side walls of the two connecting blocks 13 are respectively rotatably connected with the upper ends of the rod walls of the two supporting rods 9 through first shaft pins, the lower ends of the rod walls of the two supporting rods 9 are respectively rotatably connected with the upper ends of the rod walls of the two moving rods 10 through second shaft pins, the lower ends of the two moving rods 10 respectively penetrate through the left side and the right side of the inner side wall of the lower end of the shell 1 and extend to the lower part of the shell 1, two first strip-shaped holes matched with the moving rods 10 are formed in the lower inner side wall of the shell 1, the bidirectional threaded rod 12 is, the pole wall both ends of two-way threaded rod 12 all are connected with fixed plate 14 through antifriction bearing rotation, the upper end of two fixed plates 14 all with the lower lateral wall fixed connection of casing 1, the horizontal first slide bar 16 that sets up of inside fixedly connected with in first bar hole, the pole wall of carriage release lever 10 is through first through-hole and first slide bar 16 sliding connection.
The left end fixedly connected with knob 15 of two-way threaded rod 12, the surface of knob 15 is equipped with first anti-skidding line, and the people of being convenient for rotate knob 15 and drive two-way threaded rod 12 rotatory.
Clean mechanism is including clean pole 17, clean pole 17 is located the vertical setting in inside top of casing 1, and the brush hair of a plurality of evenly distributed of last side wall fixedly connected with of clean pole 17, the first slider 18 of rear end fixedly connected with of clean pole 17, the first spout with first slider 18 assorted is seted up to the back inside wall upper end of casing 1, the front end fixedly connected with push rod 19 of clean pole 17, the front end of push rod 19 runs through the preceding lateral wall upper end of casing 1 and extends to the outside setting of casing 1, casing 1's preceding lateral wall upper end is seted up with the second bar hole of push rod 19 assorted, it can drive clean pole 17 and the brush hair removal to promote push rod 19, thereby can clean dust screen 7, avoid the mesh to block up.
The front end of the push rod 19 is fixedly connected with a push plate 20, and the surface of the push plate 20 is provided with second anti-skid grains, so that people can push the push plate 20 to drive the push rod 19 to move.
The ball 21 is embedded in the end, located inside the first sliding groove, of the first sliding block 18 in a rolling manner, the side wall of the ball 21 is abutted to the groove bottom of the first sliding groove, and therefore the first sliding block 18 can slide inside the first sliding groove more flexibly.
The damping mechanism comprises four elastic telescopic rods and a plurality of connecting rods 22, the lower ends of the four elastic telescopic rods are respectively fixedly connected with the four corners of the upper end of the mounting plate 11, the upper ends of the four elastic telescopic rods are respectively fixedly connected with the four corners of the lower end of the shell 1, the lower ends of the rod walls of the four connecting rods 22 are respectively rotatably connected with the lower ends of the rod walls of the four elastic telescopic rods through third shaft pins, the two connecting rods 22 corresponding to each other in front and back are oppositely arranged in an inclined manner, the left side and the right side of the lower end of the shell 1 are respectively provided with second sliding grooves which are longitudinally and symmetrically arranged, the inner parts of the four second sliding grooves are respectively connected with second sliding blocks 23 in a sliding manner, the upper ends of the rod walls of the four elastic telescopic rods are respectively rotatably connected with four second sliding blocks 23 through fourth shaft pins, the two opposite sides of the front and back two corresponding second sliding blocks 23 are respectively and fixedly connected, elastic telescopic rod includes first telescopic link 26 and second telescopic link 27, the lower extreme and the mounting panel 11 fixed connection of first telescopic link 26, the upper end of first telescopic link 26 seted up with second telescopic link 27 assorted recess, the lower extreme of second telescopic link 27 extends to the inside and the first telescopic link 26 sliding connection of recess, the upper end and the 1 lower extreme fixed connection of casing of second telescopic link 27, the inside of recess is equipped with second spring 28, the upper and lower both ends of second spring 28 respectively with the lower extreme of second telescopic link 27 and the tank bottom fixed connection of recess, through the first spring 24 that is equipped with, second slider 23, connecting rod 22, second spring 28, mutually support of first telescopic link 26 and second telescopic link 27, can carry out multiple shock attenuation between casing 1 and mounting panel 11, thereby can improve the bearing capacity of casing 1 installation.
The inside fixed second slide bar 25 that is equipped with vertical setting of second spout, second slider 23 pass through second through-hole and second slide bar 25 sliding connection, and first spring 24 cup joints with the activity of second slide bar 25, and is more stable when making second slider 25 remove.
The pole wall of second telescopic link 27 is located the stopper 29 that two symmetries of the inside one end fixedly connected with of recess set up, and two stopper 29 assorted spacing grooves have been seted up to the lateral wall of recess, and are more stable when making first telescopic link 27 and second telescopic link 28 relative slip.
To sum up, this open ultrasonic sensor, during the use, through two arc backup pads 8 that are equipped with, two bracing pieces 9, mutually supporting of two carriage release levers 10 and two-way threaded rod 12, can support the lower extreme both sides that arc-shaped vibrating diaphragm 3 goes on, and can adjust the support dynamics of two arc backup pads 8 and arc-shaped vibrating diaphragm 3, be convenient for adjust the radian of arc-shaped vibrating diaphragm 3, make arc-shaped vibrating diaphragm 3 during operation stability higher, through the first spring 24 that is equipped with, second slider 23, connecting rod 22, second spring 28, mutually supporting of first telescopic link 26 and second telescopic link 27, can carry out multiple shock attenuation between casing 1 and the mounting panel 11, thereby can improve the bearing capacity of casing 1 installation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an open ultrasonic sensor, includes casing (1), piezoceramics piece (2) and arc vibrating diaphragm (3), its characterized in that: the piezoelectric ceramic piece (2) and the arc-shaped vibrating diaphragm (3) are both arranged in the shell (1), the middle part of the lower end of the arc-shaped vibrating diaphragm (3) is fixedly connected with the upper end of the piezoelectric ceramic piece (2), the lower end of the piezoelectric ceramic piece (2) is fixedly connected with the lower inner side wall of the shell (1) through a fixing rod (4), the left side and the right side of the piezoelectric ceramic piece (2) are connected with a positive contact pin (5) and a negative contact pin (6) through wires, the lower ends of the positive contact pin (5) and the negative contact pin (6) are respectively fixedly spliced with the left side and the right side of the lower inner side wall of the shell (1), a supporting mechanism is arranged below the shell (1) and is connected with the arc-shaped vibrating diaphragm (3) through the supporting mechanism, an opening corresponding to the position of the arc-shaped vibrating diaphragm (3) is arranged at the upper end, a cleaning mechanism is arranged above the inside of the shell (1), an installation plate (11) is arranged below the shell (1), and a damping mechanism is arranged at the upper end of the installation plate (11) and is connected with the lower end of the shell (1) through the damping mechanism;
the supporting mechanism comprises two arc supporting plates (8), two supporting rods (9), two moving rods (10) and a bidirectional threaded rod (12), the two arc supporting plates (8) are respectively fixedly connected with the left side and the right side of the lower end of the arc vibrating diaphragm (3), the lower ends of the two arc supporting plates (8) are respectively fixedly connected with connecting blocks (13), the lower ends of the side walls of the two connecting blocks (13) are respectively rotatably connected with the upper ends of the rod walls of the two supporting rods (9) through first shaft pins, the lower ends of the rod walls of the two supporting rods (9) are respectively rotatably connected with the upper ends of the rod walls of the two moving rods (10) through second shaft pins, the lower ends of the two moving rods (10) respectively penetrate through the left side and the right side of the inner side wall of the lower end of the shell (1) and extend to the lower side of the shell (1), and the lower inner side wall of the shell (1) is provided with two, two-way threaded rod (12) are located the below of casing (1) and transversely set up, and the pole wall both ends of two-way threaded rod (12) respectively with two carriage release lever (10) threaded connection, the pole wall both ends of two-way threaded rod (12) all are connected with fixed plate (14), two through antifriction bearing rotation the upper end of fixed plate (14) all with the lower side wall fixed connection of casing (1), the horizontal first slide bar (16) that sets up of inside fixedly connected with in first bar hole, the pole wall of carriage release lever (10) is through first through-hole and first slide bar (16) sliding connection.
2. An open ultrasonic sensor according to claim 1, wherein: the left end fixedly connected with knob (15) of two-way threaded rod (12), the surface of knob (15) is equipped with first anti-skidding line.
3. An open ultrasonic sensor according to claim 1, wherein: clean mechanism is including cleaning rod (17), cleaning rod (17) are located the vertical setting in inside top of casing (1), and the brush hair of a plurality of evenly distributed of last side wall fixedly connected with of cleaning rod (17), the first slider (18) of rear end fixedly connected with of cleaning rod (17), the first spout with first slider (18) assorted is seted up to the back inside wall upper end of casing (1), the front end fixedly connected with push rod (19) of cleaning rod (17), the front end of push rod (19) runs through the outside setting of casing (1) on the preceding lateral wall of casing (1) and extend to casing (1), the preceding lateral wall of casing (1) upper end seted up with push rod (19) assorted second bar hole.
4. An open ultrasonic sensor according to claim 3, wherein: the front end of the push rod (19) is fixedly connected with a push plate (20), and second anti-skidding lines are arranged on the surface of the push plate (20).
5. An open ultrasonic sensor according to claim 3, wherein: the first sliding block (18) is located at one end inside the first sliding groove, a ball (21) is embedded in a rolling mode, and the side wall of the ball (21) is abutted to the groove bottom of the first sliding groove.
6. An open ultrasonic sensor according to claim 1, wherein: the damping mechanism comprises four elastic telescopic rods and a plurality of connecting rods (22), the lower ends of the four elastic telescopic rods are fixedly connected with the four corners of the upper end of the mounting plate (11) respectively, the upper ends of the four elastic telescopic rods are fixedly connected with the four corners of the lower end of the shell (1) respectively, the lower ends of the rod walls of the four connecting rods (22) are rotatably connected with the lower ends of the rod walls of the four elastic telescopic rods respectively through third shaft pins, the two connecting rods (22) which correspond to each other in the front and back are arranged in a relatively inclined manner, the left side and the right side of the lower end of the shell (1) are respectively provided with second sliding grooves which are longitudinally and symmetrically arranged, second sliding blocks (23) are respectively and slidably connected inside the four second sliding grooves, the upper ends of the rod walls of the four elastic telescopic rods are respectively rotatably connected with the four second sliding blocks (23) through fourth shaft pins, and the two opposite sides of the front and back two, one end, far away from the second sliding block (23), of the first spring (24) is fixedly connected with the side wall of the second sliding groove.
7. An open ultrasonic sensor according to claim 6, wherein: the inside of second spout is fixed and is equipped with second slide bar (25) of vertical setting, second slider (23) pass through second through-hole and second slide bar (25) sliding connection, first spring (24) and second slide bar (25) activity cup joint.
8. An open ultrasonic sensor according to claim 7, wherein: the elasticity telescopic link includes first telescopic link (26) and second telescopic link (27), the lower extreme and mounting panel (11) fixed connection of first telescopic link (26), the upper end of first telescopic link (26) seted up with second telescopic link (27) assorted recess, the lower extreme of second telescopic link (27) extends to the inside and first telescopic link (26) sliding connection of recess, the upper end and casing (1) lower extreme fixed connection of second telescopic link (27), the inside of recess is equipped with second spring (28), the upper and lower both ends of second spring (28) respectively with the lower extreme of second telescopic link (27) and the tank bottom fixed connection of recess.
9. An open ultrasonic sensor according to claim 8, wherein: the pole wall of second telescopic link (27) is located the inside one end fixedly connected with stopper (29) that two symmetries set up of recess, two stopper (29) assorted spacing grooves have been seted up to the lateral wall of recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910885164.XA CN110553720B (en) | 2019-09-19 | 2019-09-19 | Open type ultrasonic sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910885164.XA CN110553720B (en) | 2019-09-19 | 2019-09-19 | Open type ultrasonic sensor |
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| CN110553720A CN110553720A (en) | 2019-12-10 |
| CN110553720B true CN110553720B (en) | 2021-04-23 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772006A (en) * | 1993-09-02 | 1995-03-17 | Murata Mfg Co Ltd | Frequency adjusting method for ultrasonic sensor |
| JP3158809B2 (en) * | 1993-09-28 | 2001-04-23 | 株式会社村田製作所 | Ultrasonic sensor |
| JP2004032499A (en) * | 2002-06-27 | 2004-01-29 | Nippon Telegr & Teleph Corp <Ntt> | Ultrasonic sensor |
| CN104236700A (en) * | 2014-09-30 | 2014-12-24 | 重庆泽嘉机械有限公司 | Infrasonic sensor |
| CN204115857U (en) * | 2014-09-30 | 2015-01-21 | 重庆泽嘉机械有限公司 | A kind of infrasonic wave induction installation |
| CN204330125U (en) * | 2014-12-26 | 2015-05-13 | 常州波速传感器有限公司 | A kind of novel open type ultrasonic sensor |
| CN204575092U (en) * | 2015-03-16 | 2015-08-19 | 汉得利（常州）电子股份有限公司 | Open piezoelectric sensor |
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Effective date of registration: 20230412 Address after: Floor 2, Building 3, No.13, Jingsheng South Fourth Street, Jinqiao Science and Technology Industrial Base, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing, 101100 Patentee after: Beijing Bideke Electronics Co.,Ltd. Address before: Room 101-1, Building 2, No. 95, Daguan Middle Road, Tianhe District, Guangzhou, Guangdong 510000 (office only) Patentee before: Guangzhou Zhongtian Technology Consulting Co.,Ltd. Effective date of registration: 20230412 Address after: Room 101-1, Building 2, No. 95, Daguan Middle Road, Tianhe District, Guangzhou, Guangdong 510000 (office only) Patentee after: Guangzhou Zhongtian Technology Consulting Co.,Ltd. Address before: 314001 2 building, Photovoltaic Science Park, 1288 Kang He road, Xiuzhou District, Jiaxing, Zhejiang. Patentee before: JIAXING University |