CN204392565U - Low energy consumption amplifies piezoelectric ceramic alarm for safety guard - Google Patents
Low energy consumption amplifies piezoelectric ceramic alarm for safety guard Download PDFInfo
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- CN204392565U CN204392565U CN201420854035.7U CN201420854035U CN204392565U CN 204392565 U CN204392565 U CN 204392565U CN 201420854035 U CN201420854035 U CN 201420854035U CN 204392565 U CN204392565 U CN 204392565U
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- flanging
- vibrating diaphragm
- safety guard
- installation cavity
- alarm
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Abstract
The utility model relates to a kind of low energy consumption and to amplify piezoelectric ceramic alarm for safety guard, it comprises housing, the end face of housing is provided with sender, installation cavity is provided with in housing, it is characterized in that: also comprise a vibrating diaphragm, vibrating diaphragm comprises annular edge, the tapered portion of planar portions and connection annular edge and planar portions, fit in the annular edge of vibrating diaphragm and the surface of installation cavity, planar portions is connected with piezoelectric patches, the wiring board driving piezoelectric patches is also provided with in installation cavity, the end of described installation cavity is provided with end cover, the uniform folding line being provided with indent in the tapered portion of described vibrating diaphragm.The diaphragm structure of the utility model to piezoelectric ceramic alarm for safety guard improves, and adds the resistance to pressure of vibrating diaphragm.
Description
Technical field
The utility model belongs to piezoelectric ceramic loudspeaker field, the piezoelectric ceramic alarm for safety guard that amplifies of particularly a kind of low energy consumption.
Background technology
Existing piezoelectricity alarm for safety guard, if the acoustic pressure improving alarm, so the energy consumption of alarm also can along with further improve, and this planning reduced discharging with national energy-saving does not conform to.How can provide alarm acoustic pressure, while promoting alarm performance, to prevent the raising of alarm energy consumption from being the present stage alarm subject matter of producing.
The diaphragm structure of piezoelectricity alarm for safety guard of the prior art is identical with common diaphragm structure, owing in the installation cavity after vibrating diaphragm being the cavity of a sealing, time under alarm for safety guard is in the condition of high temperature, the gas expansion of the installation cavity after vibrating diaphragm, pressure increases, an active force outwards expanded is produced to vibrating diaphragm, due to the insufficient strength of vibrating diaphragm of the prior art, under the impact of this active force, the amplitude of whole alarm for safety guard reduces, and its sound pressure level exported does not reach the requirement of client.
Summary of the invention
The utility model is for the deficiencies in the prior art, and the diaphragm structure of the utility model to piezoelectric ceramic alarm for safety guard improves, and adds the resistance to pressure of vibrating diaphragm.
The utility model is achieved through the following technical solutions:
Low energy consumption amplifies piezoelectric ceramic alarm for safety guard, it comprises housing, the end face of housing is provided with sender, installation cavity is provided with in housing, it is characterized in that: also comprise a vibrating diaphragm, vibrating diaphragm comprises annular edge, planar portions and connects the tapered portion of annular edge and planar portions, fit in the annular edge of vibrating diaphragm and the surface of installation cavity, planar portions is connected with piezoelectric patches, the wiring board driving piezoelectric patches is also provided with in installation cavity, the end of described installation cavity is provided with end cover, the uniform folding line being provided with indent in the tapered portion of described vibrating diaphragm.
Described folding line comprises the first flanging and the second flanging, and the first flanging and the second flanging are that triangular shape is arranged, and one end of the first flanging and the second flanging comes together in a point, and the other end of the first flanging and the second flanging extends in planar portions.
The side of described housing is extended mounting ear.
In sum, the utility model has following beneficial effect:
The utility model is by the improvement to diaphragm structure, the folding line that vibrating diaphragm is arranged can improve film strength of shaking, improve the anti-pressure ability of alarm for safety guard under the adverse circumstances of high temperature, thus solve the problem of the acoustic pressure deficiency that alarm for safety guard in the presence of a harsh environment exports.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, aforesaid and other object, the feature and advantage of the utility model will become apparent.Wherein:
Fig. 1 is the exploded perspective view of alarm for safety guard;
Fig. 2 is the schematic perspective view of vibrating diaphragm;
In figure, 1 is housing, and 11 is sender, and 12 is mounting ear, and 2 is vibrating diaphragm, and 21 is annular edge, and 22 is planar portions, and 23 is tapered portion, and 24 is folding line, and 241 is the first flanging, and 242 is the second flanging, and 3 is piezoelectric patches, and 4 is wiring board, and 5 is end cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Low energy consumption as shown in Figure 1 amplifies piezoelectric ceramic alarm for safety guard, it comprises housing 1, the end face of housing 1 is provided with sender 11, installation cavity is provided with in housing 1, it is characterized in that: also comprise a vibrating diaphragm 2, vibrating diaphragm 2 comprises annular edge 21, the tapered portion 23 of planar portions 22 and connection annular edge and planar portions, the annular edge 21 of vibrating diaphragm 2 is fitted with the surface of installation cavity, planar portions 22 is connected with piezoelectric patches 3, piezoelectric patches vibration drives diaphragm oscillations, the wiring board 4 driving piezoelectric patches is also provided with in installation cavity, the end of described installation cavity is provided with end cover 5, end cover makes vibrating diaphragm and end cover form the space of a sealing, the uniform folding line 24 being provided with indent in the tapered portion of described vibrating diaphragm 2.
Described folding line comprises the first flanging 241 and the second flanging 242, first flanging 241 and the second flanging 242 are arranged in triangular shape, and one end of the first flanging 241 and the second flanging 242 comes together in a point, the other end of the first flanging 241 and the second flanging 242 extends in planar portions, said structure effectively can improve the voltage endurance capability of vibrating diaphragm, even if under alarm for safety guard is in badness, pressure in alarm for safety guard increases, vibrating diaphragm can not produce distortion under the effect of internal pressure, overcome the alarm for safety guard of the prior art problem that acoustic pressure is low under high pressure effect.
The side of described housing is extended mounting ear 12, and the mounting ear of setting is convenient to loud speaker and other equipment is fixed, convenient installation.
In sum, the utility model has following beneficial effect:
The utility model is by the improvement to diaphragm structure, the folding line that vibrating diaphragm is arranged can improve film strength of shaking, improve the anti-pressure ability of alarm for safety guard under the adverse circumstances of high temperature, thus solve the problem of the acoustic pressure deficiency that alarm for safety guard in the presence of a harsh environment exports.
The utility model is not limited to described embodiment; those skilled in the art is not departing from spirit of the present utility model namely openly in scope; still can do some revise or change, therefore the scope that rights protection scope of the present utility model limits with claims is as the criterion.
Claims (3)
1. low energy consumption amplifies piezoelectric ceramic alarm for safety guard, it comprises housing, the end face of housing is provided with sender, installation cavity is provided with in housing, it is characterized in that: also comprise a vibrating diaphragm, vibrating diaphragm comprises annular edge, planar portions and connects the tapered portion of annular edge and planar portions, fit in the annular edge of vibrating diaphragm and the surface of installation cavity, planar portions is connected with piezoelectric patches, the wiring board driving piezoelectric patches is also provided with in installation cavity, the end of described installation cavity is provided with end cover, the uniform folding line being provided with indent in the tapered portion of described vibrating diaphragm.
2. low energy consumption according to claim 1 amplifies piezoelectric ceramic alarm for safety guard, it is characterized in that: described folding line comprises the first flanging and the second flanging, first flanging and the second flanging are that triangular shape is arranged, and one end of the first flanging and the second flanging comes together in a point, the other end of the first flanging and the second flanging extends in planar portions.
3. low energy consumption according to claim 1 amplifies piezoelectric ceramic alarm for safety guard, it is characterized in that: the side of described housing is extended mounting ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854035.7U CN204392565U (en) | 2014-12-29 | 2014-12-29 | Low energy consumption amplifies piezoelectric ceramic alarm for safety guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854035.7U CN204392565U (en) | 2014-12-29 | 2014-12-29 | Low energy consumption amplifies piezoelectric ceramic alarm for safety guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204392565U true CN204392565U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854035.7U Active CN204392565U (en) | 2014-12-29 | 2014-12-29 | Low energy consumption amplifies piezoelectric ceramic alarm for safety guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204392565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469636A (en) * | 2014-12-29 | 2015-03-25 | 汉得利（常州）电子股份有限公司 | Low-energy-consumption loudspeaking piezoelectric ceramic security and protection alerter |
| CN114594600A (en) * | 2020-12-03 | 2022-06-07 | 中移(成都)信息通信科技有限公司 | Near-eye display system, fixing device, signal processing method, signal processing apparatus, and signal processing medium |
-
2014
- 2014-12-29 CN CN201420854035.7U patent/CN204392565U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469636A (en) * | 2014-12-29 | 2015-03-25 | 汉得利（常州）电子股份有限公司 | Low-energy-consumption loudspeaking piezoelectric ceramic security and protection alerter |
| CN114594600A (en) * | 2020-12-03 | 2022-06-07 | 中移(成都)信息通信科技有限公司 | Near-eye display system, fixing device, signal processing method, signal processing apparatus, and signal processing medium |
| CN114594600B (en) * | 2020-12-03 | 2023-08-15 | 中移(成都)信息通信科技有限公司 | Near-eye display system, fixing device, signal processing method, device and medium thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |