CN208691566U - It is a kind of for testing the test device of sensitivity of microphone - Google Patents
It is a kind of for testing the test device of sensitivity of microphone Download PDFInfo
- Publication number
- CN208691566U CN208691566U CN201821326403.5U CN201821326403U CN208691566U CN 208691566 U CN208691566 U CN 208691566U CN 201821326403 U CN201821326403 U CN 201821326403U CN 208691566 U CN208691566 U CN 208691566U
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- China
- Prior art keywords
- microphone
- metal
- threaded bar
- wire casing
- sensitivity
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Abstract
The utility model discloses a kind of for testing the test device of sensitivity of microphone, including metal threaded bar, equipment supporting plate, sound insulation wood board, metal wire casing and microphone limit plate, the outside screw of the metal threaded bar is fixed with stop nut, and the left and right sides nesting of metal threaded bar is fixed with testing needle, the equipment supporting plate is fixed on the outside of metal threaded bar, and it is fixed below equipment supporting plate and has metal steel pole, tested steel case is mounted with below the metal steel pole, and spacing block set is mounted at left and right sides of tested steel case, the inside installation settings of the sound insulation wood board has spacing block set, the metal wire casing is fixed on the outside of sound insulation wood board.This is used to test the test device of sensitivity of microphone using stop nut and sound insulation wood board, and the position of metal threaded bar is adjusted by stop nut, to ensure the convenience detected to various sizes of microphone.
Description
Technical field
It is specially a kind of for testing the test of sensitivity of microphone the utility model relates to microphone apparatus technical field
Device.
Background technique
Sensitivity of microphone refers to that microphone exports the size of electric signal under the sound effect of some strength, and sensitivity is got over
Height indicates the acoustic-electric high conversion efficiency of microphone, sensitiveer to the reaction of faint sound signal.Since sensitivity of microphone is anti-
An important indicator of microphone property is reflected, therefore microphone is both needed to carry out sensitivity test before factory.
Existing test method is to be placed in microphone in the operatic tunes downward, handheld test pen, and positive and negative anodes correspondence is pricked Mike
On the positive and negative anodes of wind, the structure of equipment is single at present, cannot overhaul, cause in detection process to a plurality of types of microphones
Consume a large amount of time.
Utility model content
The purpose of this utility model is to provide a kind of for testing the test device of sensitivity of microphone, above-mentioned to solve
The structure of the current equipment proposed in background technique is single, cannot overhaul to a plurality of types of microphones, cause to detect
The problem of a large amount of time is consumed in journey.
To achieve the above object, the utility model provides the following technical solutions: a kind of for testing sensitivity of microphone
Test device, including metal threaded bar, equipment supporting plate, sound insulation wood board, metal wire casing and microphone limit plate, it is described metal threaded
The outside screw of bar is fixed with stop nut, and the left and right sides nesting of metal threaded bar is fixed with testing needle, the equipment support
Plate is fixed on the outside of metal threaded bar, and is fixed below equipment supporting plate and has metal steel pole, the metal steel pole
Lower section be mounted with tested steel case, and spacing block set is mounted at left and right sides of tested steel case, the sound insulation wood board
Inside installation settings have a spacing block set, the metal wire casing is fixed on the outside of sound insulation wood board, the microphone limit plate
Lower section be mounted with shock-proof spring, and the lower section installation settings of shock-proof spring has a plastic cement sole piece, the metal wire casing it is outer
Side installation offers tapped through hole, and the inside of metal wire casing is mounted with sound-isolating sponge, the top of the microphone limit plate
Portion's installation offers the first jack, and the front installation settings of the first jack has the second jack, in the microphone limit plate
Portion's installation offers microphone instrument connection, and the inside of microphone instrument connection is adhesively fixed with chemical industry sponge.
Preferably, the stop nut and metal threaded bar constitute detaching structure, and the length of metal threaded bar is greater than survey
The length of steel case is tried, and metal threaded bar is to be mutually perpendicular to microphone instrument connection.
Preferably, the sound insulation wood board and metal wire casing are connected as one by tapped through hole, and metal wire casing and sound insulation
It is two groups that quantity, which is arranged, in sponge, and sound-isolating sponge surface uses fenestral fabric.
Preferably, the shock-proof spring equidistantly distributes on microphone limit plate, and the inside of microphone limit plate is adopted
With rectangular hollow structure, and between shock-proof spring, width range is 5-8cm.
Preferably, the tapped through hole is symmetrical about metal wire casing center line, and metal wire casing is with tested steel case
It is parallel to each other.
Preferably, first jack and the second jack, which run through, is arranged on microphone limit plate, and the first jack is straight
Diameter is greater than the diameter of microphone instrument connection, and microphone instrument connection is adhesively fixed with chemical industry sponge.
Compared with prior art, the utility model has the beneficial effects that this is used to test the test dress of sensitivity of microphone
It sets,
1, using stop nut and sound insulation wood board, the position of metal threaded bar is adjusted by stop nut, to ensure
The noise for checking generation is completely cut off to the convenience that various sizes of microphone is detected, and using sound insulation wood board, really
Protect the accuracy of detection；
2, using microphone limit plate and sound-isolating sponge, by noise of the sound-isolating sponge to tested steel case two sides carry out every
Absolutely, it avoids inside the noise transmission of two sides to tested steel case, and different types of microphone is carried out using microphone limit plate
It is fixed, the time needed for shortening microphone detection；
3, using shock-proof spring and chemical industry sponge, pass through what is generated in shock-proof spring reduction microphone limit plate detection process
Vibration amplitude, it is ensured that testing needle pricks accuracy inside the positive and negative anodes of microphone, and is reinforced outside to microphone by chemical industry sponge
The stability of side.
Detailed description of the invention
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is the utility model metal wire casing side structure schematic view；
Fig. 3 is the utility model device supporting plate overlooking structure diagram；
Fig. 4 is the utility model microphone limit plate overlooking structure diagram.
In figure: 1, metal threaded bar；2, stop nut；3, testing needle；4, equipment supporting plate；5, metal steel pole；6, tested steel
Case；7, spacing block set；8, sound insulation wood board；9, metal wire casing；10, microphone limit plate；11, shock-proof spring；12, plastic cement sole piece；
13, tapped through hole；14, sound-isolating sponge；15, the first jack；16, the second jack；17, microphone instrument connection；18, chemical industry sponge.
Specific embodiment
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. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of for testing the test of sensitivity of microphone
Device, including metal threaded bar 1, stop nut 2, testing needle 3, equipment supporting plate 4, metal steel pole 5, tested steel case 6, spacing block set
7, sound insulation wood board 8, metal wire casing 9, microphone limit plate 10, shock-proof spring 11, plastic cement sole piece 12, tapped through hole 13, sound insulation sea
The outside screw of continuous 14, first jack 15, the second jack 16, microphone instrument connection 17 and chemical industry sponge 18, metal threaded bar 1 is solid
Surely there is stop nut 2, and the left and right sides nesting of metal threaded bar 1 is fixed with testing needle 3, equipment supporting plate 4 is fixed on gold
Belong to the outside of threaded rod 1, and the lower section of equipment supporting plate 4 is fixed metal steel pole 5, the lower section of metal steel pole 5, which is installed, to be fixed
There is tested steel case 6, and the left and right sides of tested steel case 6 is mounted with spacing block set 7, the inside installation settings of sound insulation wood board 8
There is spacing block set 7, metal wire casing 9 is fixed on 8 outside of sound insulation wood board, and the lower section of microphone limit plate 10, which is mounted with, to be kept away
Spring 11 is shaken, and the lower section installation settings of shock-proof spring 11 has plastic cement sole piece 12, the outside installation of metal wire casing 9 offers screw thread
Through-hole 13, and the inside of metal wire casing 9 is mounted with sound-isolating sponge 14, the top installation of microphone limit plate 10 offer the
One jack 15, and the front installation settings of the first jack 15 has the second jack 16, the middle part installation of microphone limit plate 10 opens up
There is microphone instrument connection 17, and the inside of microphone instrument connection 17 is adhesively fixed with chemical industry sponge 18.
Stop nut 2 and metal threaded bar 1 constitute detaching structure, and the length of metal threaded bar 1 is greater than tested steel case 6
Length, and metal threaded bar 1 is to be mutually perpendicular to microphone instrument connection 17, and metal threaded bar 1 is adjusted by stop nut 2
Position, it is ensured that the convenience of different type microphone detection.
Sound insulation wood board 8 is connected as one with metal wire casing 9 by tapped through hole 13, and metal wire casing 9 and sound-isolating sponge 14
It is two groups that quantity, which is arranged, and 14 surface of sound-isolating sponge uses fenestral fabric, is reduced by sound insulation wood board 8 and sound-isolating sponge 14
The noise that two sides generate, it is ensured that the accuracy of microphone detection.
Shock-proof spring 11 equidistantly distributes on microphone limit plate 10, and the inside of microphone limit plate 10 uses rectangle
Hollow structure, and width range is 5-8cm between shock-proof spring 11, reduces the difficulty fixed to different types of microphone,
Reduce the vibration amplitude generated in detection process.
Tapped through hole 13 is symmetrical about 9 center line of metal wire casing, and metal wire casing 9 and tested steel case 6 are mutually flat
Row, is fixed metal wire casing 9 by tapped through hole 13, it is ensured that the convenience that sound-isolating sponge 14 and metal wire casing 9 are installed.
First jack 15 and the second jack 16 are through setting on microphone limit plate 10, and 15 diameter of the first jack is big
In the diameter of microphone instrument connection 17, and microphone instrument connection 17 is adhesively fixed with chemical industry sponge 18, convenient for different sizes
Microphone be fixed, and increase the stability fixed to microphone using chemical industry sponge 18.
Working principle: when being used to test the test device of sensitivity of microphone using this, according to Fig. 1 and Fig. 4, behaviour
Make the inside that microphone is first respectively fixed to the first jack 15 and the second jack 16 by personnel, the microphone for then detecting needs
It is put into inside microphone instrument connection 17, diameter adjustment diameter of the chemical industry sponge 18 according to microphone, subsequent operator's rotation
Testing needle 3 is inserted on the positive and negative anodes of microphone by stop nut 2 to adjust the position of metal threaded bar 1 and testing needle 3,
The test equipment that testing needle 3 connects obtains test result, and the vibration amplitude that shock-proof spring 11 generates during will test constantly drops
Low, according to fig. 2 and shown in Fig. 3, operator install by the spacing block set 7 and tested steel case 6 in 8 outside of sound insulation wood board solid
It is fixed, then sound-isolating sponge 14 is adhesively fixed to the inside of metal wire casing 9, and by the tapped through hole 13 in 9 outside of metal wire casing with
Tested steel case 6 is fixed, and the noise that outside surrounding generates is fixed with sound insulation wood board 8 for sound-isolating sponge 14, it is ensured that operation
Personnel detect sensitivity of microphone and noise reduction degree.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of for testing the test device of sensitivity of microphone, including metal threaded bar (1), equipment supporting plate (4), sound insulation wood
Plate (8), metal wire casing (9) and microphone limit plate (10), it is characterised in that: the outside screw of the metal threaded bar (1) is solid
Surely have stop nut (2), and the left and right sides nesting of metal threaded bar (1) is fixed with testing needle (3), the equipment supporting plate (4)
It is fixed on the outside of metal threaded bar (1), and is fixed below equipment supporting plate (4) and has metal steel pole (5), the gold
Belong to and being mounted with tested steel case (6) below steel pole (5), and is mounted with limit convex at left and right sides of tested steel case (6)
The inside installation settings of block (7), the sound insulation wood board (8) has spacing block set (7), the metal wire casing (9) be fixed on every
On the outside of sound plank (8), it is mounted with shock-proof spring (11) below the microphone limit plate (10), and shock-proof spring (11)
Lower section installation settings have plastic cement sole piece (12), the installation of the outside of the metal wire casing (9) offers tapped through hole (13), and gold
The inside for belonging to net cage (9) is mounted with sound-isolating sponge (14), and the installation of the top of the microphone limit plate (10) offers the
One jack (15), and the front installation settings of the first jack (15) has the second jack (16), the microphone limit plate (10)
Middle part installation offers microphone instrument connection (17), and the inside of microphone instrument connection (17) is adhesively fixed with chemical industry sponge
(18)。
2. according to claim 1 a kind of for testing the test device of sensitivity of microphone, it is characterised in that: the limit
Position nut (2) and metal threaded bar (1) constitutes detaching structure, and the length of metal threaded bar (1) is greater than the length of tested steel case (6)
Degree, and metal threaded bar (1) is to be mutually perpendicular to microphone instrument connection (17).
3. according to claim 1 a kind of for testing the test device of sensitivity of microphone, it is characterised in that: it is described every
Sound plank (8) is connected as one with metal wire casing (9) by tapped through hole (13), and metal wire casing (9) and sound-isolating sponge (14)
It is two groups that quantity, which is arranged, and sound-isolating sponge (14) surface uses fenestral fabric.
4. according to claim 1 a kind of for testing the test device of sensitivity of microphone, it is characterised in that: described to keep away
Shake spring (11) equidistantly distributes on microphone limit plate (10), and the inside of microphone limit plate (10) uses rectangular hollow
Structure, and width range is 5-8cm between shock-proof spring (11).
5. according to claim 1 a kind of for testing the test device of sensitivity of microphone, it is characterised in that: the spiral shell
Line through-hole (13) is symmetrical about metal wire casing (9) center line, and metal wire casing (9) is to be parallel to each other with tested steel case (6).
6. according to claim 1 a kind of for testing the test device of sensitivity of microphone, it is characterised in that: described
One jack (15) and the second jack (16) are through setting on microphone limit plate (10), and the first jack (15) diameter is greater than
The diameter of microphone instrument connection (17), and microphone instrument connection (17) is adhesively fixed with chemical industry sponge (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326403.5U CN208691566U (en) | 2018-08-16 | 2018-08-16 | It is a kind of for testing the test device of sensitivity of microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326403.5U CN208691566U (en) | 2018-08-16 | 2018-08-16 | It is a kind of for testing the test device of sensitivity of microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208691566U true CN208691566U (en) | 2019-04-02 |
Family
ID=65885762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821326403.5U Expired - Fee Related CN208691566U (en) | 2018-08-16 | 2018-08-16 | It is a kind of for testing the test device of sensitivity of microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208691566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263287A (en) * | 2020-02-28 | 2020-06-09 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN112423214A (en) * | 2020-11-03 | 2021-02-26 | 杭州菲仁科技有限公司 | Microphone sound intensity quality detection device with energy-saving and environment-friendly functions |
-
2018
- 2018-08-16 CN CN201821326403.5U patent/CN208691566U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263287A (en) * | 2020-02-28 | 2020-06-09 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN111263287B (en) * | 2020-02-28 | 2021-11-23 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN112423214A (en) * | 2020-11-03 | 2021-02-26 | 杭州菲仁科技有限公司 | Microphone sound intensity quality detection device with energy-saving and environment-friendly functions |
| CN112423214B (en) * | 2020-11-03 | 2021-08-27 | 杭州菲仁科技有限公司 | Microphone sound intensity quality detection device with energy-saving and environment-friendly functions |
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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 |
Granted publication date: 20190402 Termination date: 20210816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |