CN202916299U - Acceleration sensing device - Google Patents
Acceleration sensing device Download PDFInfo
- Publication number
- CN202916299U CN202916299U CN 201220522433 CN201220522433U CN202916299U CN 202916299 U CN202916299 U CN 202916299U CN 201220522433 CN201220522433 CN 201220522433 CN 201220522433 U CN201220522433 U CN 201220522433U CN 202916299 U CN202916299 U CN 202916299U
- Authority
- CN
- China
- Prior art keywords
- straingauge
- sensing device
- acceleration sensing
- housing
- gravity body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an acceleration sensing device. The acceleration sensing device is characterized in that at least one flexible base is included, a strain resistance card is arranged on the surface of the flexible base, a gravity body is arranged on the surface of the strain resistance card, the flexible base, the strain resistance card and the gravity body are fixed in a housing, the gravity body dynamically moves in a cavity of the housing, and an electrode is led out by the strain resistance card. The acceleration sensing device is good in technology and high in reliability.
Description
Technical field
The utility model relates to a kind of sensor, particularly a kind of acceleration sensing device.
Background technology
Existing acceleration transducer is counted especially the step and is adopted spring, little hammer and piezoelectric patches to consist of with sensor, inspected object is when doing acceleration movement, the hand hammer subband spring of moving acts on the piezoelectric patches, produce pressure on the piezoelectric patches surface and change, export certain deformation signal by piezoelectric patches, processed by circuit, owing to connecting little hammer and piezoelectric patches with spring, easily piezoelectric patches is caused damage, its two complex technical process is also easily damaged piezoelectric patches in the process.
The utility model content
The purpose of this utility model provides the acceleration transducer that a kind of technique is good, reliability is high.
The purpose of this utility model is to realize like this, a kind of acceleration sensing device, it is characterized in that: comprise at least a flexible substrate, there is straingauge on the flexible substrate surface, on the straingauge surface gravity body is arranged, flexible substrate, straingauge and gravity body are fixed in the housing, the cavity body dynamic mobile of gravity body in housing, the outside extraction electrode of straingauge.
Described gravity body is ball, the cavity body dynamic mobile of ball in housing.
Described gravity body is the metal barred body.
The beneficial effects of the utility model: the utility model is owing to having flexible substrate, straingauge and gravity body in housing, by the cavity body dynamic mobile of gravity body in housing, straingauge is subject to the gravity body effect, the resistance value of straingauge changes, according to the resistance value situation that changes, provide output signal by treatment circuit.It has structural good, processing technology is simple, cost is low, the advantage of good reliability.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 2 structural representations.
Among the figure, 1, flexible substrate; 2, straingauge; 3, ball; 4, housing; 5, extraction electrode; 6, cavity body 7, metal bar.
Embodiment
As shown in Figure 1, a kind of acceleration sensing device, at least comprise flexible substrate 1(such as a sponge), there is straingauge 2 on the flexible substrate surface, on straingauge 2 surfaces ball 3(gravity body is arranged), flexible substrate 1, straingauge 2 and ball 3 are fixed in the housing 4, cavity body 6 dynamic mobiles of ball 3 in housing 4, straingauge 2 outside extraction electrodes 5.
As shown in Figure 2, a kind of acceleration sensing device, at least comprise flexible substrate 1(such as a sponge), there is straingauge 2 on the flexible substrate surface, on straingauge 2 surfaces metal bar 7(gravity body is arranged), flexible substrate 1, straingauge 2 and metal bar 7 are fixed in the housing 4, cavity body 6 dynamic mobiles of metal bar 7 in housing 4, straingauge 2 outside extraction electrodes 5.
Claims (3)
1. acceleration sensing device, it is characterized in that: comprise at least a flexible substrate, there is straingauge on the flexible substrate surface, on the straingauge surface gravity body is arranged, flexible substrate, straingauge and gravity body are fixed in the housing, the cavity body dynamic mobile of gravity body in housing, the outside extraction electrode of straingauge.
2. a kind of acceleration sensing device according to claim 1, it is characterized in that: described gravity body is ball, the cavity body dynamic mobile of ball in housing.
3. a kind of acceleration sensing device according to claim 1, it is characterized in that: described gravity body is the metal barred body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522433 CN202916299U (en) | 2012-10-12 | 2012-10-12 | Acceleration sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522433 CN202916299U (en) | 2012-10-12 | 2012-10-12 | Acceleration sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916299U true CN202916299U (en) | 2013-05-01 |
Family
ID=48164602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522433 Expired - Fee Related CN202916299U (en) | 2012-10-12 | 2012-10-12 | Acceleration sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880571A (en) * | 2015-05-26 | 2015-09-02 | 陈莹莹 | Acceleration sensing device |
-
2012
- 2012-10-12 CN CN 201220522433 patent/CN202916299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880571A (en) * | 2015-05-26 | 2015-09-02 | 陈莹莹 | Acceleration sensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: AVIC Xi'an Automatic Control Technology Co., Ltd. Assignor: Xi'an Xinwei Information Science and Technology Co., Ltd. Contract record no.: 2013610000090 Denomination of utility model: Acceleration sensing device Granted publication date: 20130501 License type: Exclusive License Record date: 20130815 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131012 |