CN206369747U - The piezoelectric acceleration transducer that a kind of wideband rings - Google Patents
The piezoelectric acceleration transducer that a kind of wideband rings Download PDFInfo
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- CN206369747U CN206369747U CN201621396309.8U CN201621396309U CN206369747U CN 206369747 U CN206369747 U CN 206369747U CN 201621396309 U CN201621396309 U CN 201621396309U CN 206369747 U CN206369747 U CN 206369747U
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- base
- housing
- electrode slice
- mass
- circuit board
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Abstract
The utility model discloses the piezoelectric acceleration transducer that a kind of wideband rings, including base, housing, upper lid, circuit board, memory pyrocondensation ring, mass, piezoelectric ceramics, electrode slice, insulating trip and two core connector male heads；Two core connector male heads are radially arranged on housing, housing is arranged on base, memory pyrocondensation ring is arranged on base；Mass, piezoelectric ceramics, electrode slice and insulating trip are mounted side by side successively between memory pyrocondensation ring and base, the mass, piezoelectric ceramics, electrode slice and insulating trip are fixed on base by memory pyrocondensation ring；Circuit board, which is fixed between housing and base, to be located above mass and electrode slice, mass and electrode slice draws positive signal line respectively and negative signal line is connected with circuit board, and circuit board is connected with two core connector male heads；Upper lid is arranged on base and housing upper end.The utility model can make the frequency response range of piezoelectric acceleration transducer be 1 20KHz, and precision is high.
Description
Technical field
The utility model is related to piezoelectric acceleration transducer, refers in particular to the piezoelectric type acceleration sensing that a kind of wideband rings
Device.
Background technology
Acceleration transducer be by the pressure transition produced by the physical phenomenons such as acceleration, vibration, impact into be easy to measurement
Electric signal tester.Piezoelectric acceleration transducer is that, using piezoelectric as conversion element, output is with acceleration into just
The electric charge or voltage device of ratio.
In the prior art, piezoelectric acceleration transducer is limited by the limitation of structure design, material and production technology,
Cause properties of product unstable, Hz-KHz is narrow, the problems such as precision is not high, its highest frequency range can only be in 1-15KHz, it is ensured that ± 5%
Precision.
Therefore, the major defect of existing piezoelectric acceleration transducer is：Under normal circumstances, can only be in its specific frequency
Rate operated within range, just can guarantee that sensor exports distortionless signal.However, with the raising of scientific and technological industrial technology, in work
Frequency response range to sensor and the requirement of precision in the fields such as industry monitoring, mechanical health diagnosis, Aeronautics and Astronautics, military project
Increasingly improve so that existing piezoelectric acceleration transducer is unable to reach the requirement.
In view of this, the utility model develops the piezoelectric type acceleration sensing that a kind of wideband for overcoming the defect rings
Thus device, this case produces.
Utility model content
The purpose of this utility model is to provide the piezoelectric acceleration transducer that a kind of wideband rings, so that piezoelectric type accelerates
The frequency response range for spending sensor is 1-20KHz, and precision is high.
In order to reach above-mentioned purpose, solution of the present utility model is：
The piezoelectric acceleration transducer that a kind of wideband rings, including base, housing, upper lid, circuit board, memory pyrocondensation ring,
Mass, piezoelectric ceramics, electrode slice, insulating trip and two core connector male heads；Two core connector male heads, shell are radially arranged on housing
Body is arranged on base, and memory pyrocondensation ring is arranged on base；Quality is mounted side by side successively between memory pyrocondensation ring and base
Block, piezoelectric ceramics, electrode slice and insulating trip, the mass, piezoelectric ceramics, electrode slice and insulating trip are fixed by memory pyrocondensation ring
On base；Circuit board, which is fixed between housing and base, to be located above mass and electrode slice, mass and electrode slice difference
Draw positive signal line and negative signal line is connected with circuit board, circuit board is connected with two core connector male heads；Upper lid is arranged on
Base and housing upper end.
Further, three fore-and-aft planes of spaced set on base, between three fore-and-aft planes and memory pyrocondensation ring
Mass, piezoelectric ceramics, electrode slice and insulating trip are mounted side by side successively, tri-shear structure is formed；The letter of three piezoelectric ceramics
Number connected using an electrode slice.
Further, base is connected with case weld.
Further, upper lid is connected with base and case weld.
Further, circuit board is fixed between housing and base with adhesive means.
Further, two core connector male heads are connected with case weld.
After such scheme, mass, pressure is mounted side by side in the utility model successively between memory pyrocondensation ring and base
Electroceramics, electrode slice and insulating trip, mass, piezoelectric ceramics, electrode slice and insulating trip are fixed on base by memory pyrocondensation ring
On；Circuit board, which is fixed between housing and base, to be located above mass and electrode slice, and mass and electrode slice are drawn just respectively
Pole signal wire and negative signal line are connected with circuit board, and circuit board is connected with two core connector male heads.After tested, the utility model
It is wide with frequency response range（1-20000Hz）, measuring accuracy height（±5%）Advantage.
Brief description of the drawings
Fig. 1 is outside drawing of the present utility model；
Fig. 2 is sectional view of the present utility model.
Label declaration
The housing 12 of base 11
The upper circuit board 2 of lid 13
Remember the mass 4 of pyrocondensation ring 3
The electrode slice 6 of piezoelectric ceramics 5
7 liang of core connector male heads 8 of insulating trip.
Embodiment
The utility model is described in detail below in conjunction with drawings and the specific embodiments.
Refer to described in Fig. 1 and Fig. 2, the piezoelectric acceleration transducer that a kind of wideband that the utility model is disclosed rings, bag
Include base 11, housing 12, upper lid 13, circuit board 2, memory pyrocondensation ring 3, mass 4, piezoelectric ceramics 5, electrode slice 6, insulating trip 7
And two core connector male heads 8.
Two core connector male heads 8 are radially arranged on housing 12, two core connector male heads 8 are welded to connect with housing 12.Housing
12 are installed on the pedestal 11, and base 11 is welded to connect with housing 12.Memory pyrocondensation ring 3 is installed on the pedestal 11, memory pyrocondensation ring 3
It can directly be nested with the pedestal 11, be preferably, memory pyrocondensation ring 3 is co-axially mounted setting with base 11.Memory pyrocondensation ring 4 with
Mass 4, piezoelectric ceramics 5, electrode slice 6 and insulating trip 7 is mounted side by side between base 11 successively, the mass 4, piezoelectric ceramics 5,
Electrode slice 6 and insulating trip 7 are fixed on the pedestal 11 by memory pyrocondensation ring 3, and the heat of memory pyrocondensation ring 3 is shunk, these parts
All fix on the pedestal 11.
Circuit board 2, which is fixed between housing 12 and base 11, is located at mass 4 and the top of electrode slice 6, with piezo component
Without direct contact relation.Circuit board 2 is fixed between housing 12 and base 11 with adhesive means.Mass 4 and electrode slice 6 are distinguished
Draw positive signal line and negative signal line is connected with circuit board 2, circuit board 2 is connected with two core connector male heads 8.Mass 4
Draw positive signal line respectively with electrode slice 6 and negative signal line passes through the via of circuit board 2, be welded on circuit board 2.Two cores
Two signal wires of connector male head 8 are each passed through 2 liang of vias of circuit board and are welded on circuit board 2.Circuit board is usually electric charge
Amplifier, is designed using wideband, it is ensured that coordinate piezoelectric element signal to carry out undistorted amplification in 1-20000Hz.
Upper lid 13 is arranged on base 11 and the upper end of housing 12, and upper lid 13 is welded to connect with base 11 and housing 12.Upper lid 13
It is less than the bolt mounting surface of base 11 with the solder side of base 11.
In the present embodiment, three fore-and-aft planes of spaced set on the pedestal 11, in three fore-and-aft planes and memory pyrocondensation
Mass 4, piezoelectric ceramics 5, electrode slice 6 and insulating trip 7 is mounted side by side between ring 3 successively, tri-shear structure, mass is formed
4th, piezoelectric ceramics 5, electrode slice 6 and insulating trip 7 pass through the uniform symmetrical assembly relation of the formation triangle of base 11.
The signal of piezoelectric ceramics 5 uses one by insulating trip 7 and the isolated insulation of base 11, the signal of three piezoelectric ceramics 5
Individual electrode slice 6 is connected.
When the utility model is assembled, base 11 is fixed first by tool, memory pyrocondensation ring 3 is then placed on base 11
On, then three masses 4, three potsherds 5, an electrode slice 6 and three insulating trips 7 are placed in sequence respectively
Between three planes and memory pyrocondensation ring 3 of base 11, then tool is put into baking box together with product and is toasted and is fixed；
Two core connector male heads 8 weld two lines, then weld the core connector male head 8 of housing 12 and two；Then, by base 11
Welded with housing 12；All signal wires are then passed through to the via of circuit board 2, circuit board 2 is then adhered to base 11
On between housing 12；Finally upper lid 13 is weldingly connected and connect with base 11, housing 12.
Mass 4, piezoelectric ceramics 5, electrode is mounted side by side between memory pyrocondensation ring 3 and base 11 in the utility model successively
Piece 6 and insulating trip 7；Circuit board 2, which is fixed between housing 12 and base 11, is located at mass 4 and the top of electrode slice 5, the mass
4 and electrode slice 6 draws positive signal line respectively and negative signal line is connected with circuit board, circuit board and two core connector male heads connect
Connect.After tested, the utility model has frequency response range wide（1-20000Hz）, measuring accuracy height（±5%）Advantage.
Preferred embodiment of the present utility model is the foregoing is only, the limitation not designed this case, all setting according to this case
The crucial equivalent variations done of meter, each fall within the protection domain of this case.
Claims (6)
1. the piezoelectric acceleration transducer that a kind of wideband rings, it is characterised in that：Including base, housing, upper lid, circuit board, note
Recall pyrocondensation ring, mass, piezoelectric ceramics, electrode slice, insulating trip and two core connector male heads；The connection of two cores is radially arranged on housing
Device male, housing is arranged on base, and memory pyrocondensation ring is arranged on base；Between memory pyrocondensation ring and base successively side by side
Installation quality block, piezoelectric ceramics, electrode slice and insulating trip, the mass, piezoelectric ceramics, electrode slice and insulating trip are by memory warm
Contracting ring is fixed on base；Circuit board, which is fixed between housing and base, to be located above mass and electrode slice, mass and electricity
Pole piece draws positive signal line respectively and negative signal line is connected with circuit board, and circuit board is connected with two core connector male heads；On
Lid is arranged on base and housing upper end.
2. the piezoelectric acceleration transducer that a kind of wideband as claimed in claim 1 rings, it is characterised in that：In first-class of base
Away from set three fore-and-aft planes, three fore-and-aft planes and memory pyrocondensation ring between be mounted side by side successively mass, piezoelectric ceramics,
Electrode slice and insulating trip, form tri-shear structure；The signal of three piezoelectric ceramics is connected using an electrode slice.
3. the piezoelectric acceleration transducer that a kind of wideband as claimed in claim 1 rings, it is characterised in that：Base is welded with housing
Connect in succession.
4. the piezoelectric acceleration transducer that a kind of wideband as claimed in claim 1 rings, it is characterised in that：It is upper lid with base and
Case weld is connected.
5. the piezoelectric acceleration transducer that a kind of wideband as claimed in claim 1 rings, it is characterised in that：Circuit board is with gluing
Mode is fixed between housing and base.
6. the piezoelectric acceleration transducer that a kind of wideband as claimed in claim 1 rings, it is characterised in that：Two core connectors are public
Head is connected with case weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396309.8U CN206369747U (en) | 2016-12-19 | 2016-12-19 | The piezoelectric acceleration transducer that a kind of wideband rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396309.8U CN206369747U (en) | 2016-12-19 | 2016-12-19 | The piezoelectric acceleration transducer that a kind of wideband rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369747U true CN206369747U (en) | 2017-08-01 |
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ID=59392892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621396309.8U Active CN206369747U (en) | 2016-12-19 | 2016-12-19 | The piezoelectric acceleration transducer that a kind of wideband rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206369747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445257A (en) * | 2018-04-13 | 2018-08-24 | 北京强度环境研究所 | A kind of piezoelectric type high G-value shock transducer core |
| CN109959443A (en) * | 2017-12-14 | 2019-07-02 | 苏州长风航空电子有限公司 | A kind of broadband piezoelectric vibrating sensor assembling structure |
-
2016
- 2016-12-19 CN CN201621396309.8U patent/CN206369747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959443A (en) * | 2017-12-14 | 2019-07-02 | 苏州长风航空电子有限公司 | A kind of broadband piezoelectric vibrating sensor assembling structure |
| CN109959443B (en) * | 2017-12-14 | 2021-08-24 | 苏州长风航空电子有限公司 | Broadband piezoelectric vibration sensor assembly structure |
| CN108445257A (en) * | 2018-04-13 | 2018-08-24 | 北京强度环境研究所 | A kind of piezoelectric type high G-value shock transducer core |
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