CN206695899U - A kind of highly sensitive environmental noise detection means - Google Patents
A kind of highly sensitive environmental noise detection means Download PDFInfo
- Publication number
- CN206695899U CN206695899U CN201720178120.XU CN201720178120U CN206695899U CN 206695899 U CN206695899 U CN 206695899U CN 201720178120 U CN201720178120 U CN 201720178120U CN 206695899 U CN206695899 U CN 206695899U
- Authority
- CN
- China
- Prior art keywords
- fuselage
- detection means
- noise detection
- highly sensitive
- environmental noise
- 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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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of highly sensitive environmental noise detection means, including fuselage and Electret Condencer Microphone, the top of the Electret Condencer Microphone is socketed with sound absorption sponge, display screen is embedded with the middle part of the fuselage, the positive bottom of fuselage is connected with function key panel, anti-slip tank is provided with left and right sides of the bottom of the fuselage, the upper rear portion of the fuselage is hinged with fixed support, the support bracket fastened lower section is connected with cell rear cover, screw hole is provided with left and right sides of the fuselage top-rear side, the low side of the cell rear cover is provided with buckle, the fuselage lower rear is provided with battery case, the inside interlocking of the fuselage has drive circuit board and processing unit, signal adapter and operational amplifier are electrically connected with the drive circuit board.The utility model can allow testing result to clearly indicate to user by installing LCD display, and this kind of utility model is simple to operate, and measurement is accurate, can effectively improve the operating efficiency of measurement, be adapted to promote.
Description
Technical field
It the utility model is related to noise measuring technical field, more particularly to a kind of highly sensitive environmental noise detection means.
Background technology
Existing noise detection device measuring accuracy is high, and general volume is all bigger, and small volume, it is charging mostly
Formula, because the limitation of small volume, often battery capacity is smaller, the public affairs of noise detection device are commonly used for those again for this
For department, usually some unnecessary troubles can be brought because of machine out of power, in general noise detection device can easily connect
When receiving external sound signal, the unstable of the voice signal of absorption is caused because detection means designs above defective reason.
Utility model content
The purpose of this utility model is and a kind of highly sensitive environment proposed in order to solve shortcoming present in prior art
Noise detection device.
To achieve these goals, the utility model employs following technical scheme：
A kind of highly sensitive environmental noise detection means, including fuselage and Electret Condencer Microphone, the Electret Condencer Microphone
Top is socketed with sound absorption sponge, is embedded with display screen in the middle part of the fuselage, the positive bottom of fuselage is connected with function key
Panel, anti-slip tank is provided with left and right sides of the bottom of the fuselage, the upper rear portion of the fuselage is hinged with fixed support, described
Support bracket fastened lower section is connected with cell rear cover, is provided with screw hole at left and right sides of the fuselage top-rear side, after the battery
The low side of lid is provided with buckle, and the fuselage lower rear is provided with battery case, and neck, institute are provided with left and right sides of the battery case
State and battery baffle plate is connected with the middle part of battery case, the battery case is provided at both ends with electrode iron plate, is provided with the battery case
Battery holding section included, the inside interlocking of the fuselage has drive circuit board and processing unit, electrically connects on the drive circuit board
It is connected to signal adapter and operational amplifier.
Preferably, the Electret Condencer Microphone is rotatablely connected with fuselage.
Preferably, the front and back of the fuselage is fixedly connected by screw, and mutually symmetrical with.
Preferably, the sound absorption sponge is socketed on Electret Condencer Microphone top, the output end of the Electret Condencer Microphone with
The input of display screen and signal adapter is electrically connected with.
Preferably, the display screen is high-definition display screen, and the display screen is embedded in the front of fuselage.
Preferably, for the fixed support relative to supporting fuselage, the fixed support is foldable structure.
Preferably, the cell rear cover is worked in coordination by buckle and fuselage.
Preferably, the drive circuit board is electrically connected with processing unit.
In the utility model, designed using portable so that the noise detection device exquisiteness is compact, and being easy to carry with makes
With and the device uses battery, as long as so carrying with battery, it becomes possible to use always, so as to avoid because out of power and
The puzzlement that can not be used is brought, the device uses Electret Condencer Microphone, and acoustically effective is more stable, while outside microphone one on set
Layer sound absorption sponge, makes acoustically effective more stable, and the sponge that absorbs sound can also play anti-wind action, thus be better able to protect
Hinder the accuracy of Detection results.
Brief description of the drawings
Fig. 1 is the positive structural representation of the utility model；
Fig. 2 is the structural representation at this practical back side；
Fig. 3 is the structural representation of the utility model battery case；
Fig. 4 is the structural representation inside the utility model.
In figure：1- sound absorption sponges；2- Electret Condencer Microphones；3- fuselages；4- display screens；5- function key panels；6- is anti-skidding
Groove；7- screw holes；8- fixed supports；9- cell rear covers；10- buckles；11- electrode iron plates；12- battery baffle plates；13- necks；
14- battery cases；15- is battery holding section included；16- signal adapters；17- drive circuit boards；18- operational amplifiers；19- processing
Device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-4, a kind of highly sensitive environmental noise detection means, including fuselage 3 and Electret Condencer Microphone 2, condenser type
The top of microphone 2 is socketed with sound absorption sponge 1, and the middle part of fuselage 3 is embedded with display screen 4, and the positive bottom clamping of fuselage 3 is active
Can keyboard plate 5, be provided with anti-slip tank 6 at left and right sides of the bottom of fuselage 3, the upper rear portion of fuselage 3 is hinged with fixed support 8,
The lower section of fixed support 8 is connected with cell rear cover 9, and screw hole 7 is provided with left and right sides of the top-rear side of fuselage 3, cell rear cover 9
Low side is provided with buckle 10, and the lower rear of fuselage 3 is provided with battery case 14, and the left and right sides of battery case 14 is provided with neck 13, battery
The middle part of groove 14 is connected with battery baffle plate 12, and battery case 14 is provided at both ends with electrode iron plate 11, battery is provided with battery case 14
Fixed component 15, the inside interlocking of fuselage 3 have drive circuit board 17 and processing unit 19, are electrically connected with drive circuit board 17
Signal adapter 16 and operational amplifier 18, Electret Condencer Microphone 2 are rotatablely connected with fuselage 3, and the front and back of fuselage 3 passes through
Screw is fixedly connected, and mutually symmetrical with, and sound absorption sponge 1 is socketed on the top of Electret Condencer Microphone 2, the output of Electret Condencer Microphone 2
End is electrically connected with the input of display screen 4 and signal adapter 16, and display screen 4 is high-definition display screen, and display screen 4 is embedded in machine
The front of body 3, fixed support 8 support relative to fuselage 3, and fixed support 8 is foldable structure, cell rear cover 9 by buckle 10 with
Fuselage 3 is worked in coordination, and drive circuit board 17 is electrically connected with processing unit 19.
Operation principle：When using a kind of highly sensitive environmental noise detection means, open cell rear cover 9 and battery is put into electricity
In pond groove 14, and a sound absorption sponge 1 is enclosed on Electret Condencer Microphone 2, by the various button operations in function key panel 5, this
When Electret Condencer Microphone 2 start working, be converted to telecommunications parallel operation 16 is converted by signal from the voice signal that receives of the external world
Number, and operational amplifier 18 is passed to, pass to processing unit after then 18 signals received of operational amplifier are amplified
19, finally after the processing by processing unit 19, the result of gained is shown on the display screen 4.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of highly sensitive environmental noise detection means, including fuselage (3) and Electret Condencer Microphone (2), it is characterised in that described
The top of Electret Condencer Microphone (2) is socketed with sound absorption sponge (1), and display screen (4) is embedded with the middle part of the fuselage (3), described
Fuselage (3) positive bottom is connected with function key panel (5), and anti-slip tank is provided with left and right sides of the bottom of the fuselage (3)
(6), the upper rear portion of the fuselage (3) is hinged with fixed support (8), after being connected with battery below the fixed support (8)
Cover (9), be provided with screw hole (7) at left and right sides of fuselage (3) top-rear side, the low side of the cell rear cover (9) is provided with
Buckle (10), fuselage (3) lower rear are provided with battery case (14), neck are provided with left and right sides of the battery case (14)
(13) battery baffle plate (12), is connected with the middle part of the battery case (14), the battery case (14) is provided at both ends with electrode iron plate
(11), it is provided with battery holding section included (15) on the battery case (14), the inside interlocking of the fuselage (3) has drive circuit board
(17) signal adapter (16) and operational amplifier and processing unit (19), are electrically connected with the drive circuit board (17)
(18)。
A kind of 2. highly sensitive environmental noise detection means according to claim 1, it is characterised in that the condenser type Mike
Wind (2) is rotatablely connected with fuselage (3).
3. a kind of highly sensitive environmental noise detection means according to claim 1, it is characterised in that the fuselage (3)
Front and back is fixedly connected by screw, and mutually symmetrical with.
A kind of 4. highly sensitive environmental noise detection means according to claim 1, it is characterised in that the sound absorption sponge
(1) Electret Condencer Microphone (2) top is socketed on, output end and the display screen (4) and signal of the Electret Condencer Microphone (2) are changed
The input of device (16) is electrically connected with.
A kind of 5. highly sensitive environmental noise detection means according to claim 4, it is characterised in that the display screen (4)
For high-definition display screen, the display screen (4) is embedded in the front of fuselage (3).
A kind of 6. highly sensitive environmental noise detection means according to claim 1, it is characterised in that the fixed support
(8) supported relative to fuselage (3), the fixed support (8) is foldable structure.
A kind of 7. highly sensitive environmental noise detection means according to claim 1, it is characterised in that the cell rear cover
(9) worked in coordination by buckle (10) and fuselage (3).
A kind of 8. highly sensitive environmental noise detection means according to claim 1, it is characterised in that the drive circuit board
(17) it is electrically connected with processing unit (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720178120.XU CN206695899U (en) | 2017-02-27 | 2017-02-27 | A kind of highly sensitive environmental noise detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720178120.XU CN206695899U (en) | 2017-02-27 | 2017-02-27 | A kind of highly sensitive environmental noise detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695899U true CN206695899U (en) | 2017-12-01 |
Family
ID=60438774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720178120.XU Expired - Fee Related CN206695899U (en) | 2017-02-27 | 2017-02-27 | A kind of highly sensitive environmental noise detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206695899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738059A (en) * | 2019-03-07 | 2019-05-10 | 天津广正汇通新能源科技有限公司 | A kind of noise detection device for road |
| CN110017893A (en) * | 2019-05-13 | 2019-07-16 | 湖南工学院 | A kind of noise survey device |
-
2017
- 2017-02-27 CN CN201720178120.XU patent/CN206695899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738059A (en) * | 2019-03-07 | 2019-05-10 | 天津广正汇通新能源科技有限公司 | A kind of noise detection device for road |
| CN110017893A (en) * | 2019-05-13 | 2019-07-16 | 湖南工学院 | A kind of noise survey device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 |