CN205879106U - Sensor bracket - Google Patents
Sensor bracket Download PDFInfo
- Publication number
- CN205879106U CN205879106U CN201620864802.1U CN201620864802U CN205879106U CN 205879106 U CN205879106 U CN 205879106U CN 201620864802 U CN201620864802 U CN 201620864802U CN 205879106 U CN205879106 U CN 205879106U
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- China
- Prior art keywords
- piezoelectric membrane
- base
- slot
- sensor stand
- sidepiece
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Abstract
The utility model discloses a sensor bracket, include: the base, the first lateral part of base is seted up along the first slot that vertically runs through the base, anchor clamps, card are located on the base for the second lateral part of first lateral part, and double -layered establishing is formed with the second slot between the second lateral part of anchor clamps and base, piezoelectric membrane, the first end of piezoelectric membrane pass behind the first slot further the clamp from bottom to top and locate the second slot in order forming the arc structure, and then establish with the base clamp and form segmental cavity, the second end of piezoelectric membrane presss from both sides locates first slot. The piezoelectric membrane makes the piezoelectric membrane have the free vibration space with the segmental cavity that formation was established to the base clamp, is favorable to the signal of telecommunication to produce. In addition, smooth surface is compared on the arc surface that is the piezoelectric membrane of arc structure, has had more an initial tension, and is obvious to the amplification effect of the signal of telecommunication, and the arc surface is changeed and is absorbed in the soft material and the point contact of awaiting measuring.
Description
Technical field
This utility model relates to piezoelectric film sensor, refers in particular to a kind of sensor stand.
Background technology
The piezoelectric membrane piezoelectric transducer being made up of macromolecular material Kynoar (PVDF), utilizes its piezoelectric constant
Height, frequency response width, dynamic characteristic is good, soft, and thickness is thin, can arbitrarily bent toughness good, make variously-shaped, comprcssive strength height
Etc. feature, and the quantity of electric charge of piezoelectric membrane surface output is proportional with the pressure being perpendicular to its surface.Move as one
State strain transducer, piezoelectric membrane piezoelectric transducer is highly suitable to be applied for human skin or implants the life of inside of human body
Signal monitoring, some thin-film components are sensitive detects human pulse across overcoat to being enough to.
But, existing piezoelectric membrane piezoelectric transducer major part uses flat surfaces, and the amplification to the signal of telecommunication is made
With the requirement that can not meet society.
Utility model content
Because the problems referred to above, this utility model provides a kind of sensor stand, including:
Base, the first sidepiece of described base offers along the first slot longitudinally through described base；
Fixture, is arranged on described base the second sidepiece relative to described first sidepiece, described fixture and described base
The second sidepiece between sandwiched be formed with the second slot；
Piezoelectric membrane, the first end of described piezoelectric membrane is located in institute from bottom to top after described first slot further
State the second slot to form arcuate structure, and then form arc-shaped cavity with described base sandwiched；Second end of described piezoelectric membrane
It is located in described first slot.
Sensor stand of the present utility model, after the first end of piezoelectric membrane passes the first slot of base from bottom to top,
Push down the first end of piezoelectric membrane by fixture again and be installed on base, and then the first end of piezoelectric membrane is located in base
With fixture formed the second slot to form arcuate structure, and then with base sandwiched formation arc-shaped cavity, make piezoelectric membrane have
Free vibration space, the beneficially signal of telecommunication produce.It addition, the curved surfaces of the piezoelectric membrane of curved structure compares smooth table
Face, many initial tensions, obvious to the amplification of the signal of telecommunication, and curved surfaces is more easy to be absorbed in flexible material and connects with tested point
Touch.
Further improvement is that of this utility model sensor stand, the second end of described piezoelectric membrane is provided with buckle-type limit
Position part, the bottom of described base is provided with the locating slot fixed for described buckle-type locating part.
Further improvement is that of this utility model sensor stand:
It is respectively equipped with draw-in groove relative to other two sidepieces of described first sidepiece Yu described second sidepiece on described base；
The buckle being respectively provided on two sides with for being arranged in described draw-in groove of described fixture.
Further improvement is that of this utility model sensor stand, relative to described first sidepiece and institute on described base
Other two sidepieces stating the second sidepiece are respectively equipped with block, and described block is positioned at described draw-in groove near the one of described first slot
Side, after described buckle is arranged in described draw-in groove, the end of described buckle is resisted against described block.
Further improvement is that of this utility model sensor stand, the inwall top of described first slot and described
The inwall top of two slots is respectively formed with the first arc angling that the arcuate structure formed with described piezoelectric membrane matches
Face.
Further improvement is that of this utility model sensor stand, the outer wall top of described first slot and described folder
The top side wall that tool and described piezoelectric membrane are fitted is respectively formed with the arcuate structure formed with described piezoelectric membrane and matches
The second arc angling face.
Further improvement is that of this utility model sensor stand, described chassis interior is formed with cavity, described cavity
Inside being provided with base plate, on described base plate, the Pin locations of corresponding described piezoelectric membrane offers installing hole.
Further improvement is that of this utility model sensor stand, described base plate is pcb board.
Further improvement is that of this utility model sensor stand, is filled with soft silica gel in described arc-shaped cavity.
Further improvement is that of this utility model sensor stand, described piezoelectric membrane is PVDF thin film.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model sensor stand.
Fig. 2 is the decomposing schematic representation of this utility model sensor stand.
Fig. 3 is the side view of this utility model sensor stand.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
Coordinating sees shown in Fig. 1 to Fig. 3, and Fig. 1 is the schematic perspective view of this utility model sensor stand.Fig. 2 is this reality
Decomposing schematic representation with novel sensor support.Fig. 3 is the side view of this utility model sensor stand.Biography of the present utility model
Sensor bracket, including:
Base 10, the first sidepiece of base 10 offers along the first slot 110 longitudinally through base 10；
Fixture 20, is arranged on base 10 the second sidepiece relative to described first sidepiece, the of fixture 20 and base 10
Between two sidepieces, sandwiched is formed with the second slot 210；
Piezoelectric membrane 30, the first end of piezoelectric membrane 30 is from bottom to top through being located in the after the first slot 110 further
Two slots 210 are to form arcuate structure, and then form arc-shaped cavity 310 with base 10 sandwiched；Second end folder of piezoelectric membrane 30
It is located at the first slot 110.Preferably, in arc-shaped cavity 310, it is filled with soft silica gel, piezoelectric membrane 30 can be played good consolidating
It is set for using.
Sensor stand of the present utility model, the first end of piezoelectric membrane 30 is from bottom to top through the first slot of base 10
After 110, then push down the first end of piezoelectric membrane 30 and be installed on base 10 by fixture 20, and then by the of piezoelectric membrane 30
One end is located in the second slot 210 that base 10 and fixture 20 formed to form arcuate structure, so with the formation of base 10 sandwiched
Arc-shaped cavity 310, makes piezoelectric membrane 30 have free vibration space, the beneficially signal of telecommunication to produce.It addition, the pressure of curved structure
The curved surfaces of conductive film 30 compares flat surfaces, many initial tensions, obvious to the amplification of the signal of telecommunication, and arc table
Face is more easy to be absorbed in flexible material and contacts with tested point.
Shown in Fig. 3, in order to the second end of piezoelectric membrane 30 is fixed on the first slot 110 of base 10, piezoelectricity is thin
Second end of film 30 is provided with buckle 220 formula locating part 320, and the bottom of base 10 is provided with for the fixing of buckle 220 formula locating part 320
Locating slot.After first end of piezoelectric membrane 30 passes the first slot 110 of base 10 from bottom to top, spacing by buckle 220 formula
Part 320 is fastened in the locating slot bottom base 10, and then the second end of piezoelectric membrane 30 is fixed on the first slot of base 10
110, it is ensured that the position of the second end of piezoelectric membrane 30 is fixed.It addition, pushed down the first end of piezoelectric membrane 30 by fixture 20
And be installed on base 10, and then the first end of piezoelectric membrane 30 is fixed on the second slot that base 10 is formed with fixture 20
210, it is ensured that the position of the first end of piezoelectric membrane 30 is fixed.By the way can be by authentic and valid for piezoelectric membrane 30
Long-pending two ends are fixed, and utilize drum principle, it is ensured that piezoelectric membrane 30, in any direction all without being subjected to displacement, reduces machinery shake
Swing, it is ensured that the verity of output pattern.
Shown in Fig. 3, relative to other two side parts of described first sidepiece Yu described second sidepiece on base 10
It is not provided with draw-in groove 120；The buckle 220 being respectively provided on two sides with for being arranged in draw-in groove 120 of fixture 20, forms a U-shaped fixture.Pressure
After first end of conductive film 30 passes the first slot 110 of base 10 from bottom to top, the fixture 20 buckle 220 points by its both sides
It is not fastened in the draw-in groove 120 of base 10 both sides, and then pushes down the first end of piezoelectric membrane 30 and be installed on base 10.
Further, base 10 sets respectively relative to other two sidepieces of described first sidepiece with described second sidepiece
Having block 130, block 130 to be positioned at the draw-in groove 120 side near the first slot 110, the buckle 220 of fixture 20 is arranged in base 10
Draw-in groove 120 after, the end of buckle 220 is resisted against block 130, plays spacing effect, can make fixture 20 and base 10 it
Between connection the most firm.
Owing to easily damaging after the very thin thickness of piezoelectric membrane 30, with external object making contact, therefore, the of base 10
The inwall top of the second slot 210 that the inwall top of one slot 110 and base 10 are formed with fixture 20 be respectively formed with
The first arc angling face 410 that the arcuate structure that piezoelectric membrane 30 is formed matches.Further, the first slot of base 10
The top side wall that the outer wall top of 110 and fixture 20 and piezoelectric membrane 30 are fitted is respectively formed with and is formed with piezoelectric membrane 30
The second arc angling face 420 of matching of arcuate structure.Use the mode of above-mentioned chamfering, it is possible to reduce corner angle are to piezoelectric membrane
The damage of 30.
In a preferred embodiment of the present utility model, base 10 has been internally formed cavity, is provided with in described cavity
Base plate 50, on base plate 50, the Pin locations of corresponding piezoelectric membrane 30 offers installing hole.Preferably, base plate 50 is pcb board.
Preferably as the pedestal 10 that sensor stand is overall, facilitate overall the laying and adjusting in other structures of support
Whole, bottom area is 16mm × 16mm.Piezoelectric membrane 30 is PVDF thin film.The arc formed between piezoelectric membrane 30 and base 10
Cavity 310, a width of 4mm～8mm, a height of 1mm～1.5mm.
Sensor stand of the present utility model, piezoelectric membrane 30 forms arc-shaped cavity 310 with base 10 sandwiched, makes piezoelectricity thin
Film 30 has had free vibration space, the beneficially signal of telecommunication to produce.It addition, the curved surfaces phase of the piezoelectric membrane 30 of curved structure
Ratio flat surfaces, many initial tensions, obvious to the amplification of the signal of telecommunication, and curved surfaces be more easy to be absorbed in flexible material with
Tested point contacts.The two ends of authentic and valid for piezoelectric membrane 30 area are fixed, utilizes drum principle, it is ensured that piezoelectric membrane 30 is any
All without being subjected to displacement on direction, reduce machinery concussion, it is ensured that the verity of output pattern.Ensureing that quality of output signals is good
In the case of Hao, reduce the authentic and valid area of piezoelectric membrane 30 as far as possible, the input (such as muscle jitter) of noise can be reduced.
The above is only preferred embodiment of the present utility model, not does this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
Professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above
Hold and make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, the most still
Belong in the range of technical solutions of the utility model.
Claims (10)
1. a sensor stand, it is characterised in that including:
Base, the first sidepiece of described base offers along the first slot longitudinally through described base；
Fixture, is arranged on described base the second sidepiece relative to described first sidepiece, the of described fixture and described base
Between two sidepieces, sandwiched is formed with the second slot；
Piezoelectric membrane, the first end of described piezoelectric membrane is from bottom to top through being located in described the after described first slot further
Two slots are to form arcuate structure, and then form arc-shaped cavity with described base sandwiched；Second end sandwiched of described piezoelectric membrane
In described first slot.
2. sensor stand as claimed in claim 1, it is characterised in that the second end of described piezoelectric membrane is provided with buckle-type limit
Position part, the bottom of described base is provided with the locating slot fixed for described buckle-type locating part.
3. sensor stand as claimed in claim 1, it is characterised in that:
It is respectively equipped with draw-in groove relative to other two sidepieces of described first sidepiece Yu described second sidepiece on described base；
The buckle being respectively provided on two sides with for being arranged in described draw-in groove of described fixture.
4. sensor stand as claimed in claim 3, it is characterised in that relative to described first sidepiece and institute on described base
Other two sidepieces stating the second sidepiece are respectively equipped with block, and described block is positioned at described draw-in groove near the one of described first slot
Side, after described buckle is arranged in described draw-in groove, the end of described buckle is resisted against described block.
5. sensor stand as claimed in claim 1, it is characterised in that the inwall top of described first slot and described the
The inwall top of two slots is respectively formed with the first arc angling that the arcuate structure formed with described piezoelectric membrane matches
Face.
6. sensor stand as claimed in claim 5, it is characterised in that the outer wall top of described first slot and described folder
The top side wall that tool and described piezoelectric membrane are fitted is respectively formed with the arcuate structure formed with described piezoelectric membrane and matches
The second arc angling face.
7. sensor stand as claimed in claim 1, it is characterised in that described chassis interior is formed with cavity, described cavity
Inside being provided with base plate, on described base plate, the Pin locations of corresponding described piezoelectric membrane offers installing hole.
8. sensor stand as claimed in claim 7, it is characterised in that described base plate is pcb board.
9. sensor stand as claimed in claim 1, it is characterised in that be filled with soft silica gel in described arc-shaped cavity.
10. sensor stand as claimed in claim 1, it is characterised in that described piezoelectric membrane is PVDF thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864802.1U CN205879106U (en) | 2016-08-11 | 2016-08-11 | Sensor bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864802.1U CN205879106U (en) | 2016-08-11 | 2016-08-11 | Sensor bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879106U true CN205879106U (en) | 2017-01-11 |
Family
ID=57704087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620864802.1U Active CN205879106U (en) | 2016-08-11 | 2016-08-11 | Sensor bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289044A (en) * | 2016-08-11 | 2017-01-04 | 上海脉感科技有限公司 | Sensor stand |
| CN108562312A (en) * | 2018-02-08 | 2018-09-21 | 佛山市富乐喜电子信息技术有限公司 | A kind of human action inductive pick-up |
-
2016
- 2016-08-11 CN CN201620864802.1U patent/CN205879106U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289044A (en) * | 2016-08-11 | 2017-01-04 | 上海脉感科技有限公司 | Sensor stand |
| CN106289044B (en) * | 2016-08-11 | 2018-12-07 | 上海脉感科技有限公司 | Sensor stand |
| CN108562312A (en) * | 2018-02-08 | 2018-09-21 | 佛山市富乐喜电子信息技术有限公司 | A kind of human action inductive pick-up |
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| GR01 | Patent grant |