CN208335403U - A kind of acoustooptic alarm - Google Patents
A kind of acoustooptic alarm Download PDFInfo
- Publication number
- CN208335403U CN208335403U CN201820977139.5U CN201820977139U CN208335403U CN 208335403 U CN208335403 U CN 208335403U CN 201820977139 U CN201820977139 U CN 201820977139U CN 208335403 U CN208335403 U CN 208335403U
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- sound channel
- cylinder
- sound
- acoustooptic alarm
- buzzer
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Abstract
The utility model discloses a kind of acoustooptic alarms comprising shell, the first cylinder sound channel, the second cylinder sound channel and buzzer；Shell includes bottom case and the upper cover that is fixed on bottom case, and bottom case and upper cover surround internal cavity；The first cylinder sound channel is arranged in bottom case；The second cylinder sound channel is arranged in upper cover, and the second cylinder sound channel is connected to the sound outlet hole of upper cover；Buzzer is arranged in internal cavity；The sound source end of buzzer clamps and is enclosed in the first cylinder sound channel；The end of speaking of buzzer is stuck in the second cylinder sound channel and seals；Wherein, the first cylinder sound channel, the inside sound channel of buzzer and the second cylinder sound channel three, which are sequentially communicated, forms tone channel of independently speaking.In the acoustooptic alarm, sound is via sound outlet hole outflow is penetrated after above-mentioned independent sound channel, the loss of sound inside the housing is small, and transmission sound is bigger, and warning effect is more preferable.
Description
Technical field
The utility model relates to Mechanical Industry Technology fields, more specifically to a kind of acoustooptic alarm.
Background technique
Acoustooptic alarm is a kind of used in hazardous area, issues the one of warning signal to people by sound and various light
Kind signalling alarm equipment.
The sound size that acoustooptic alarm issues influences its warning effect.In the prior art, the buzzer of acoustooptic alarm
It is set up directly in the shell of acoustooptic alarm, sound loss is big, influences its warning effect.
To sum up, the sound loss for how reducing buzzer in acoustooptic alarm improves its warning effect, is art technology
Personnel's urgent problem to be solved.
Utility model content
In view of this, the present invention provides a kind of acoustooptic alarms, are formed be used for transmission independently speaking for sound thereon
Road can reduce the sound loss of buzzer, improve the sound warning effect of acoustooptic alarm.
To achieve the above object, the utility model provides the following technical solutions:
A kind of acoustooptic alarm, comprising:
Shell, the shell include bottom case and the upper cover that is fixed on the bottom case；The bottom case and the upper cover surround
Internal cavity；
The first cylinder sound channel in the bottom case is set；
The second cylinder sound channel in the upper cover, the sound outlet hole company of the second cylinder sound channel and the upper cover are set
It is logical；
Buzzer in the internal cavity is set, and the sound source end of the buzzer clamps and is enclosed in first circle
In cylinder sound channel；The end of speaking of the buzzer is stuck in the second cylinder sound channel and seals；
Wherein, the first cylinder sound channel, the inside sound channel of the buzzer and the second cylinder sound channel three be successively
Connection forms independent sound channel.
Preferably, in above-mentioned acoustooptic alarm, the sound outlet hole is U-shaped, and sound outlet hole is multiple.
Preferably, in above-mentioned acoustooptic alarm, the end face at the end of speaking is adjacent to the sound outlet hole.
Preferably, in above-mentioned acoustooptic alarm, the sound source end is maked somebody a mere figurehead by the first cylinder sound channel in first circle
In cylinder sound channel.
Preferably, in above-mentioned acoustooptic alarm, partition is fixed in the bottom case, the partition divides the internal cavity
It is segmented into the first internal cavity and the second internal cavity, the first cylinder sound channel, the second cylinder sound channel and the buzzer
In first internal cavity；The pcb board of the acoustooptic alarm is located in second internal cavity.
Preferably, in above-mentioned acoustooptic alarm, the reflective mirror of the acoustooptic alarm is equipped with isolation gusset, the isolation
Gusset cooperates with the partition and mutually completely cuts off first internal cavity and second internal cavity.
Preferably, in above-mentioned acoustooptic alarm, the isolation gusset and partition interlaced arrangement.
Preferably, in above-mentioned acoustooptic alarm, the bottom case is equipped with PCB coaming plate, and the PCB coaming plate is located at described second
In internal cavity, doubling-up is in the pcb board periphery.
Preferably, in above-mentioned acoustooptic alarm, the shell further includes chassis, and the bottom case is assemblied in using embedded mode
In the chassis.
The utility model provides a kind of acoustooptic alarm comprising shell, the first cylinder sound channel, the second cylinder sound channel Homeway.com
Chinese percussion instrument；Shell includes bottom case and the upper cover that is fixed on bottom case, and bottom case and upper cover surround internal cavity；The setting of the first cylinder sound channel
In bottom case；The second cylinder sound channel is arranged in upper cover, and the second cylinder sound channel is connected to the sound outlet hole of upper cover；Buzzer setting
In internal cavity；The sound source end of buzzer clamps and is enclosed in the first cylinder sound channel；The end of speaking of buzzer is stuck in second
In cylinder sound channel and seal；Wherein, the first cylinder sound channel, the inside sound channel of buzzer and the second cylinder sound channel three are sequentially communicated
Form independent sound channel.
In above-mentioned acoustooptic alarm, the first cylinder sound channel, the inside sound channel of buzzer and the second cylinder sound channel three are successively
Connection forms independent sound channel, and sound is spread out of via after the independent sound channel through sound outlet hole, compared with the prior art middle information ring
Device is set up directly on the acoustooptic alarm in shell, and the loss of sound inside the housing is small, and transmission sound is bigger, warning effect
More preferably.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of acoustooptic alarm provided by the embodiment of the utility model；
Fig. 2 is the schematic perspective view of acoustooptic alarm provided by the embodiment of the utility model；
Fig. 3 is another angled arrangement schematic diagram of acoustooptic alarm provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram on chassis provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of bottom case provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of upper cover provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of reflective mirror provided by the embodiment of the utility model；
Wherein, in Fig. 1-Fig. 7:
Chassis 101；Jack 111；Card hole 112；Buzzer 102；Upper cover 103；The second cylinder sound channel 131；Sound outlet hole 132；
Bottom case 104；The first cylinder sound channel 141；Partition 142；Buckle 143；Gusset 105 is isolated；Pcb board 106；Reflective mirror 107.
Specific embodiment
The utility model embodiment discloses a kind of acoustooptic alarm, is formed be used for transmission independently speaking for sound thereon
Road can reduce the sound loss of buzzer, improve the sound warning effect of acoustooptic alarm.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 7 is please referred to, the utility model embodiment provides a kind of acoustooptic alarm comprising shell, the first cylinder
Sound channel 141, the second cylinder sound channel 131 and buzzer 102；Shell includes bottom case 104 and the upper cover 103 that is fixed on bottom case 104,
Bottom case 104 and upper cover 103 surround internal cavity；The first cylinder sound channel 141 is arranged in bottom case 104；The second cylinder sound channel 131 is set
It sets in upper cover 103, and the second cylinder sound channel 131 is connected to the sound outlet hole 132 of upper cover 103；Buzzer 102 is arranged in inner chamber
In body；The sound source end of buzzer 102 clamps and is enclosed in the first cylinder sound channel 141；The end of speaking of buzzer 102 is stuck in second
In cylinder sound channel 131 and seal；Wherein, the first cylinder sound channel 141, the inside sound channel of buzzer 102 and the second cylinder sound channel 131
Three is sequentially communicated the independent sound channel of composition.
In above-mentioned acoustooptic alarm, the first cylinder sound channel 141, the inside sound channel of buzzer 102 and the second cylinder sound channel 131
Three is sequentially communicated the independent sound channel of composition, and sound is via the outflow of sound outlet hole 132 is penetrated after the independent sound channel, compared to existing
Buzzer 102 is set up directly on the acoustooptic alarm in shell in technology, and the loss of sound inside the housing is small, transmits sound
Bigger, warning effect is more preferable.
Specifically, sound outlet hole 132 is U-shaped, and sound outlet hole 132 is multiple in acoustooptic alarm provided by the above embodiment.
The size of each sound outlet hole 132 is different, and wherein the small sound outlet hole 132 of size is nested in the big sound outlet hole 132 of size, and is respectively gone out
Sound hole 132 is parallel to each other.When manufacture, the area of sound outlet hole 132 can be increased as far as possible, so that sound maximally conducts.
In acoustooptic alarm as above, the end face at the end of speaking of buzzer 102 is adjacent to sound outlet hole 132, reduces sound to greatest extent
Amount loss.The sound source end of above-mentioned buzzer 102 is maked somebody a mere figurehead in the first cylinder sound channel 141 by the first cylinder sound channel 141, is not only improved
The sounding membrane resonance of buzzer 102, can also reduce loudness loss to the maximum extent.
Preferably, in above-mentioned acoustooptic alarm, it is fixed with partition 142 in bottom case 104, partition 142 is by above-mentioned internal cavity
It is divided into the first internal cavity and the second internal cavity, above-mentioned the first cylinder sound channel 141, the second cylinder sound channel 131 and buzzer
102 are located in the first internal cavity；The pcb board 106 of acoustooptic alarm is located in the second internal cavity；Sound outlet hole 132 and first
Internal cavity connection.
In the acoustooptic alarm, be easy at sound outlet hole 132 into dust and moisture, and the first internal cavity by partition 142 with
Second internal cavity separates, and plays protective action to the intracorporal pcb board of the second inner chamber 106.
Further, the reflective mirror of above-mentioned acoustooptic alarm is equipped with isolation gusset 105, isolation gusset 105 and partition 142
Cooperation farthest mutually completely cuts off the first internal cavity and second internal cavity.
In acoustooptic alarm provided in this embodiment, the first and second internal cavities farthest mutually completely cut off, to PCB
The better protecting effect of plate 106.
Specifically, gusset 105 and 142 interlaced arrangement of partition is isolated in above-mentioned acoustooptic alarm.
Preferably, in above-mentioned acoustooptic alarm, shell further includes chassis 101, and the bottom case 104 of shell is filled using embedded mode
Fit in chassis 101, the two can close and firm assembly, realize mechanical oscillation and mechanical shock performance it is excellent.Above-mentioned chassis 101
For the box body structure with predetermined depth, one end of bottom case 104 is equipped with the tongue cooperated with jack 111 on chassis 101, the other end
Equipped with the buckle 143 with the cooperation of the card hole 112 on chassis 101, chassis 101 and bottom case 104 can be reliably connected.
The sound loss of acoustooptic alarm provided in this embodiment is small, through detection maximum sound pressure level up to 105dB.Meanwhile
Acoustooptic alarm provided in this embodiment has good dustproof and waterproof effect, and degree of protection can reach IP55.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of acoustooptic alarm characterized by comprising
Shell, the shell include bottom case and the upper cover that is fixed on the bottom case；The bottom case and the upper cover surround inside
Cavity；
The first cylinder sound channel in the bottom case is set；
The second cylinder sound channel in the upper cover is set, and the second cylinder sound channel is connected to the sound outlet hole of the upper cover；
Buzzer in the internal cavity is set, and the sound source end of the buzzer clamps and is enclosed in the first cylinder sound
In road；The end of speaking of the buzzer is stuck in the second cylinder sound channel and seals；
Wherein, the first cylinder sound channel, the inside sound channel of the buzzer and the second cylinder sound channel three are sequentially communicated
Form independent sound channel.
2. acoustooptic alarm according to claim 1, which is characterized in that the sound outlet hole is U-shaped, and sound outlet hole is more
It is a.
3. acoustooptic alarm according to claim 1, which is characterized in that the end face at the end of speaking is adjacent to the sound out
Hole.
4. acoustooptic alarm according to claim 1, which is characterized in that the sound source end is by the first cylinder sound channel frame
Sky is in the first cylinder sound channel.
5. acoustooptic alarm according to claim 1, which is characterized in that be fixed with partition, the partition in the bottom case
The internal cavity is divided into the first internal cavity and the second internal cavity, the first cylinder sound channel, described the second cylinder
Sound channel and the buzzer are located in first internal cavity；The pcb board of the acoustooptic alarm is located inside described second
In cavity.
6. acoustooptic alarm according to claim 5, which is characterized in that the reflective mirror of the acoustooptic alarm be equipped with every
From gusset, the isolation gusset and the partition cooperate by first internal cavity and second internal cavity mutually every
Absolutely.
7. acoustooptic alarm according to claim 6, which is characterized in that the isolation gusset and partition interlaced arrangement.
8. acoustooptic alarm according to claim 5, which is characterized in that the bottom case is equipped with PCB coaming plate, the PCB
Coaming plate is located in second internal cavity, and doubling-up is in the pcb board periphery.
9. acoustooptic alarm according to claim 1, which is characterized in that the shell further includes chassis, and the bottom case is adopted
It is assemblied in the chassis with embedded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820977139.5U CN208335403U (en) | 2018-06-22 | 2018-06-22 | A kind of acoustooptic alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820977139.5U CN208335403U (en) | 2018-06-22 | 2018-06-22 | A kind of acoustooptic alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335403U true CN208335403U (en) | 2019-01-04 |
Family
ID=64768681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820977139.5U Active CN208335403U (en) | 2018-06-22 | 2018-06-22 | A kind of acoustooptic alarm |
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| Country | Link |
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| CN (1) | CN208335403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982201A (en) * | 2019-03-20 | 2019-07-05 | 北大青鸟环宇消防设备股份有限公司 | A kind of translucent device of waterproof for anti-explosion product |
-
2018
- 2018-06-22 CN CN201820977139.5U patent/CN208335403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982201A (en) * | 2019-03-20 | 2019-07-05 | 北大青鸟环宇消防设备股份有限公司 | A kind of translucent device of waterproof for anti-explosion product |
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