CN102778309B - Spherical inductive head piezoelectric pressure indicator - Google Patents
Spherical inductive head piezoelectric pressure indicator Download PDFInfo
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- CN102778309B CN102778309B CN201210281141.6A CN201210281141A CN102778309B CN 102778309 B CN102778309 B CN 102778309B CN 201210281141 A CN201210281141 A CN 201210281141A CN 102778309 B CN102778309 B CN 102778309B
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Abstract
The present invention discloses a kind of spherical inductive head piezoelectric pressure indicator, comprise Pressure Block, force-transmitting block, diaphragm and inductive head, Pressure Block is hollow structure, be provided with concave inward structure in the front end of Pressure Block, be provided with piezoelectric in concave inward structure inside, described piezoelectric outside is connected with force-transmitting block, described force-transmitting block is connected with the posterior center of diaphragm, diaphragm front end is connected with described inductive head, it is characterized in that, the head of described inductive head is spherical in shape.Spherical inductive head piezoelectric pressure indicator provided by the invention, be connected with diaphragm owing to have employed spherical inductive head, spherical inductive head can respond to the signal of different incidence angles quickly and accurately, again signal is passed to diaphragm exactly, substantially reduce error during measurement, improve accuracy and the consistance of sensor.
Description
Technical field
The present invention relates to a kind of piezoelectric pressure indicator, specifically a kind of diaphragm structure piezoelectric pressure indicator.
Background technology
At present, the piezoelectric pressure indicator used in target drone, big gun target and small arms hit telling system, it is all flat diaphragm piezoelectric pressure indicator, it is the most accurate that such sensor only exports when gathering front signal, because site pressure signal source direction is indefinite, there is the problem of different incidence angles, such sensor is when collection signal, just there is the shortcoming that signal exports inconsistent instability, error is large, and stability is bad.
Summary of the invention
For overcoming the problems referred to above, the invention provides a kind of spherical inductive head piezoelectric pressure indicator.
Object of the present invention carrys out specific implementation by the following technical programs:
Spherical inductive head piezoelectric pressure indicator, comprise Pressure Block, force-transmitting block, diaphragm and inductive head, Pressure Block is hollow structure, concave inward structure is provided with in the front end of Pressure Block, be provided with piezoelectric in concave inward structure inside, described piezoelectric outside is connected with force-transmitting block, and described force-transmitting block is connected with the posterior center of diaphragm, diaphragm front end is connected with described inductive head, and the head of described inductive head is spherical in shape.
The exterior periphery of described piezoelectric is provided with fixed cover, is fixed in the concave inward structure of Pressure Block by fixed cover by piezoelectric, and it is inner that described force-transmitting block part is arranged on described fixed cover, and adopt clearance fit between described force-transmitting block and fixed cover.
Conductive plate injection moulding with wire is sealed in wherein by described piezoelectric, and the rear end of described Pressure Block is provided with electrode cores, and the wire on described conductive plate is connected with described electrode cores.
Between described electrode cores and Pressure Block, be provided with insulation sleeve, described insulation sleeve is fixed on Pressure Block inside, and electrode cores is fixed on insulation sleeve inside.
Be threaded connection between described inductive head and diaphragm, the front end of described diaphragm is provided with one and has externally threaded connector, and described connector inserts the center of described inductive head.
The centre of sphere being centrally located at described inductive head of described diaphragm and force-transmitting block surface of contact, during to ensure that described inductive head is subject to various external force, the power onesize to described force-transmitting block effect.
Spherical inductive head piezoelectric pressure indicator provided by the invention, be connected with diaphragm owing to have employed spherical inductive head, spherical inductive head can respond to the signal of different incidence angles quickly and accurately, again signal is passed to diaphragm exactly, substantially reduce error during measurement, improve accuracy and the consistance of sensor.
Novel structure of the present invention, technique is easy to realize, and measuring accuracy is high, good linearity, is can the spherical inductive head piezoelectric pressure indicator of practical application in target drone, big gun target and small arms hit telling system.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is spherical inductive head piezoelectric pressure indicator structural drawing described in the embodiment of the present invention one.
Embodiment
As shown in Figure 1, spherical inductive head piezoelectric pressure indicator described in the embodiment of the present invention, comprise Pressure Block 1, force-transmitting block 2, diaphragm 3 and inductive head 4, Pressure Block 1 is hollow structure, is provided with concave inward structure in the front end of Pressure Block 1, is provided with piezoelectric 5 in concave inward structure inside, described piezoelectric 5 outside is connected with force-transmitting block 2, described force-transmitting block 2 is connected with the posterior center of diaphragm 3, and diaphragm 3 front end is connected with described inductive head 4, and the head of described inductive head 4 is spherical in shape.
The exterior periphery of described piezoelectric 5 is provided with fixed cover 7, by fixed cover 7, piezoelectric 5 is fixed in the concave inward structure of Pressure Block 1, it is inner that described force-transmitting block 2 part is arranged on described fixed cover 7, and adopt clearance fit between described force-transmitting block 2 and fixed cover 7.
Conductive plate 9 injection moulding with wire 8 is sealed in wherein by described piezoelectric 5, and the rear end of described Pressure Block 1 is provided with electrode cores 10, and the wire 8 on described conductive plate 9 is connected with described electrode cores 10.
Between described electrode cores 10 and Pressure Block 1, be provided with insulation sleeve 11, it is inner that described insulation sleeve 11 is fixed on Pressure Block 1, and it is inner that electrode cores 10 is fixed on insulation sleeve 11.
Be threaded connection between described inductive head 4 and diaphragm 3, the front end of described diaphragm 3 is provided with one and has externally threaded connector 6, and described connector 6 inserts the center of described inductive head 4.
The centre of sphere being centrally located at described inductive head 4 of described diaphragm 3 and force-transmitting block 2 surface of contact, during to ensure that described inductive head is subject to various external force, the power onesize to described force-transmitting block effect.
Spherical inductive head piezoelectric pressure indicator provided by the invention, be connected with diaphragm owing to have employed spherical inductive head, spherical inductive head can respond to the signal of different incidence angles quickly and accurately, again signal is passed to diaphragm exactly, substantially reduce error during measurement, improve accuracy and the consistance of sensor.
Novel structure of the present invention, technique is easy to realize, and measuring accuracy is high, good linearity, is can the spherical inductive head piezoelectric pressure indicator of practical application in target drone, big gun target and small arms hit telling system.
Claims (6)
1. spherical inductive head piezoelectric pressure indicator, comprise Pressure Block, force-transmitting block, diaphragm and inductive head, Pressure Block is hollow structure, be provided with concave inward structure in the front end of Pressure Block, be provided with piezoelectric in concave inward structure inside, described piezoelectric outside is connected with force-transmitting block, described force-transmitting block is connected with the posterior center of diaphragm, diaphragm front end is connected with described inductive head, it is characterized in that, the head of described inductive head is spherical in shape;
This spherical inductive head piezoelectric pressure indicator, adopt spherical inductive head to be connected with diaphragm, spherical inductive head can respond to the signal of different incidence angles quickly and accurately, then signal is passed to diaphragm exactly, substantially reduce error during measurement, improve accuracy and the consistance of sensor;
This spherical inductive head piezoelectric pressure indicator, novel structure, technique is easy to realize, and measuring accuracy is high, good linearity, is can the spherical inductive head piezoelectric pressure indicator of practical application in target drone, big gun target and small arms hit telling system.
2. spherical inductive head piezoelectric pressure indicator as claimed in claim 1, it is characterized in that, the exterior periphery of described piezoelectric is provided with fixed cover, by fixed cover, piezoelectric is fixed in the concave inward structure of Pressure Block, it is inner that described force-transmitting block part is arranged on described fixed cover, and adopt clearance fit between described force-transmitting block and fixed cover.
3. spherical inductive head piezoelectric pressure indicator as claimed in claim 1, it is characterized in that, conductive plate injection moulding with wire is sealed in wherein by described piezoelectric, and the rear end of described Pressure Block is provided with electrode cores, and the wire on described conductive plate is connected with described electrode cores.
4. spherical inductive head piezoelectric pressure indicator as claimed in claim 3, it is characterized in that, between described electrode cores and Pressure Block, be provided with insulation sleeve, described insulation sleeve is fixed on Pressure Block inside, and electrode cores is fixed on insulation sleeve inside.
5. spherical inductive head piezoelectric pressure indicator as claimed in claim 1, it is characterized in that, be threaded connection between described inductive head and diaphragm, the front end of described diaphragm is provided with one and has externally threaded connector, and described connector inserts the center of described inductive head.
6. spherical inductive head piezoelectric pressure indicator as claimed in claim 1, is characterized in that, the centre of sphere being centrally located at described inductive head of described diaphragm and force-transmitting block surface of contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281141.6A CN102778309B (en) | 2012-08-09 | 2012-08-09 | Spherical inductive head piezoelectric pressure indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281141.6A CN102778309B (en) | 2012-08-09 | 2012-08-09 | Spherical inductive head piezoelectric pressure indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102778309A CN102778309A (en) | 2012-11-14 |
| CN102778309B true CN102778309B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210281141.6A Active CN102778309B (en) | 2012-08-09 | 2012-08-09 | Spherical inductive head piezoelectric pressure indicator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289977A (en) * | 2014-09-24 | 2015-01-21 | 昆山腾朗电子有限公司 | Blade pressure sensor |
| CN104931162A (en) * | 2015-06-30 | 2015-09-23 | 安徽智敏电气技术有限公司 | Piezoelectric sensor |
| CN114486052B (en) * | 2022-02-18 | 2023-03-21 | 中国空气动力研究与发展中心超高速空气动力研究所 | Shell insulation type piezoelectric pressure sensor |
| CN115326541A (en) * | 2022-08-10 | 2022-11-11 | 深圳市锦锐科技股份有限公司 | Full-automatic single chip microcomputer chip testing device and operation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960018A (en) * | 1973-07-23 | 1976-06-01 | Pcb Piezotronics, Inc. | Conformal pressure transducer |
| CN201289420Y (en) * | 2008-11-05 | 2009-08-12 | 夏志澜 | Non-water-cooling superhigh temperature piezoelectric pressure sensor |
| CN201476928U (en) * | 2009-07-24 | 2010-05-19 | 江西鑫源传感器有限责任公司 | High-precision and high-frequency piezoelectric type pressure sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11248567A (en) * | 1998-03-02 | 1999-09-17 | Minebea Co Ltd | Earth pressure gauge |
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2012
- 2012-08-09 CN CN201210281141.6A patent/CN102778309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960018A (en) * | 1973-07-23 | 1976-06-01 | Pcb Piezotronics, Inc. | Conformal pressure transducer |
| CN201289420Y (en) * | 2008-11-05 | 2009-08-12 | 夏志澜 | Non-water-cooling superhigh temperature piezoelectric pressure sensor |
| CN201476928U (en) * | 2009-07-24 | 2010-05-19 | 江西鑫源传感器有限责任公司 | High-precision and high-frequency piezoelectric type pressure sensor |
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| CN102778309A (en) | 2012-11-14 |
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Effective date of registration: 20160727 Address after: 621000 Mianyang city of Sichuan Province Branch Chong Park Southwest University of Science and Technology National University Patentee after: Mianyang Mingyu Electronics Co., Ltd. Address before: 621000 No. 62 Hongxing street, Sichuan, Mianyang Patentee before: Mianyang Mingyu Technology Co.,Ltd. |