CN207692063U - High sound pressure acoustical device detects fixture - Google Patents

High sound pressure acoustical device detects fixture Download PDF

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Publication number
CN207692063U
CN207692063U CN201721884985.4U CN201721884985U CN207692063U CN 207692063 U CN207692063 U CN 207692063U CN 201721884985 U CN201721884985 U CN 201721884985U CN 207692063 U CN207692063 U CN 207692063U
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CN
China
Prior art keywords
support plate
loudspeaker
sound pressure
high sound
acoustical device
Prior art date
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Active
Application number
CN201721884985.4U
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Chinese (zh)
Inventor
孙博
赵增全
刘亭伟
齐晓东
杨子衍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Jingshi Measurement And Control Technology Co ltd
Original Assignee
ZHUHAI P&R MEASUREMENT TECHNOLOGY Co Ltd
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Priority to CN201721884985.4U priority Critical patent/CN207692063U/en
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Publication of CN207692063U publication Critical patent/CN207692063U/en
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Abstract

The utility model discloses a kind of high sound pressure acoustical devices to detect fixture, it is desirable to provide a kind of high sound pressure acoustical device detection fixture simple in structure, detection is accurate, easy to operate and at low cost.The utility model includes holder, loudspeaker(1)And test platform(2), the loudspeaker(1)It is fixed on the left end of the holder, the test platform(2)With the loudspeaker(1)It is adapted, the test platform(2)On be provided with test station card slot(3)And microphone(4), the loudspeaker(1)On be provided with sealing block(5), the sealing block(5)Upper surface be equipped with groove(6), the test platform(2)It is equipped with the groove(6)Compatible convex block(7).The utility model is applied to the technical field of acoustical testing fixture.

Description

High sound pressure acoustical device detects fixture
Technical field
The utility model is related to a kind of detection fixture, more particularly to a kind of high sound pressure acoustical device detects fixture.
Background technology
It is commonly used in the trade to acoustical device in consumer electronics and work, and acoustical device can be in the environment of different sound pressure levels Appear as different characteristics.Such as in very noisy KTV, by the machine to thunder, sound can be very big, and acoustical device, which can exist, to be lost Effect pattern, such as distortion are very big, and signal is very small.In order to examine characteristic of the product under high sound pressure environment, need to simulate One acoustic pressure environment.And part Acoustic detection fixture currently on the market is in order to reach multi-functional, efficient, comprehensive detection frequency Rate causes production cost excessively high, although adapting to the test of each choacoustic frequency, loses specific aim, causes the wave of resource Take;Part Acoustic detection fixture again since in order to save cost, though can meet basic acoustical testing, structure is too simple, Detection is not accurate, troublesome in poeration.
Utility model content
Technical problem to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of it is simple in structure, Detect accurate, easy to operate and at low cost high sound pressure acoustical device detection fixture.
Technical solution used by the utility model is:The utility model includes holder, loudspeaker and test platform, the loudspeaker Be fixed on the left end of the holder, the test platform is adapted with the loudspeaker, and test is provided on the test platform Station card slot and microphone are provided with sealing ring on the loudspeaker, and the upper surface of the sealing ring is equipped with groove, and the test is flat Platform is equipped with the compatible convex block of the groove.
Further, the holder includes bottom plate, left support plate, right support plate, middle partition board and support plate, the left support plate, The middle partition board, the right support plate three it is spaced and it is vertical with the bottom plate be fixedly connected, the support plate is set to Between the left support plate and the middle partition board.
Further, circular through hole compatible with the top of the loudspeaker, the loudspeaker setting are equipped in the middle part of the support plate In the lower section of the support plate, with the support plate to putting down, the sealing ring is located at the upper surface of the support plate at the top of the loudspeaker.
Further, the high sound pressure acoustical device detection fixture further includes cover board, and the cover board is hinged with the middle partition board, The test platform is fixed on the middle part of the cover board.
Further, it is provided with lock in the middle part of the left end of the support plate, is provided on the cover board and is adapted with the lock Lock body.
Further, the high sound pressure acoustical device detection fixture further includes switching pcb board, and the switching pcb board is fixed on It the right side of the middle partition board and is electrically connected with the test platform signal.
Further, the inner ring of the sealing block is provided with sealing ring.
The utility model has the beneficial effects that:Since the utility model includes holder, loudspeaker and test platform, the loudspeaker It is fixed on the left end of the holder, the test platform is adapted with the loudspeaker, and test work is provided on the test platform Position card slot and microphone is provided with sealing ring on the loudspeaker, and the upper surface of the sealing ring is equipped with groove, the test platform It is equipped with the compatible convex block of the groove, so, the utility model is not only simple in structure, and favorable sealing property, described The addition of sealing block, the groove are matched with the convex block, greatly increase the leakproofness of test, to improve test Accuracy.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific implementation mode
As shown in Figure 1, the utility model includes holder, loudspeaker 1 and test platform 2, the loudspeaker 1 are fixed on the holder Left end, the test platform 2 is adapted with the loudspeaker 1, and test station card slot 3 and wheat are provided on the test platform 2 Gram wind 4 is provided with sealing block 5 on the loudspeaker 1, and the upper surface of the sealing block 5 is equipped with groove 6, is set on the test platform 2 There is 6 compatible convex block 7 of the groove;The inner ring of the sealing block 5 is provided with sealing ring 17.
In the present embodiment, the holder includes bottom plate 8, left support plate 9, right support plate 10, middle partition board 11 and support plate 12, The left support plate 9, the middle partition board 11,10 three of the right support plate are spaced and vertical with the bottom plate 8 fixed Connection, the support plate 12 are set between the left support plate 9 and the middle partition board 11.
In the present embodiment, 12 middle part of the support plate is equipped with circular through hole compatible with the top of the loudspeaker 1, described Loudspeaker 1 are set to the lower section of the support plate 12, and with the support plate 12 to putting down, the sealing block 5 is located at institute at the top of the loudspeaker 1 State the upper surface of support plate 12.
In the present embodiment, high sound pressure acoustical device detection fixture further includes cover board 13, the cover board 13 with it is described Middle partition board 11 is hinged, and the test platform 2 is fixed on the middle part of the cover board 13.
In the present embodiment, it is provided with lock 14 in the middle part of the left end of the support plate 12, is provided on the cover board 13 and institute State 14 compatible lock bodies 15 of lock.
In the present embodiment, the high sound pressure acoustical device detection fixture further includes switching pcb board 16, the switching PCB Plate 16 is fixed on the right side of the middle partition board 11 and is electrically connected with 2 signal of the test platform.
Utility model works principle:The operatic tunes of upper cover plate and loudspeaker is fixed by latching, and is sealed using sealing ring, it is ensured that The operatic tunes will not leak sound.Lock can be made to be locked with lock body after cover board pushing.Loudspeaker be high-power high-pitched speaker, wide frequency range, The bandwidth of general acoustical device can be covered.The signal of loudspeaker can be self-defined according to actual use situation progress, such as sinusoidal signal, in vain Noise, powder noise etc..Standard microphone can be used for calibrating the sound pressure level of loudspeaker.Sound pressure level can reach 130dBSPL.Loudspeaker are calibrated After the completion, product to be tested is put into test station card slot, signal can be tested by PCB adapter board extraction.
The utility model is applied to the technical field of acoustical testing fixture.
Although the embodiments of the present invention are described with practical solution, does not constitute the utility model is contained Justice limitation, for those skilled in the art, according to this specification to the modification of its embodiment and with the group of other schemes Conjunction will be apparent from.

Claims (7)

1. a kind of high sound pressure acoustical device detects fixture, it is characterised in that:It includes holder, loudspeaker(1)And test platform(2), The loudspeaker(1)It is fixed on the left end of the holder, the test platform(2)With the loudspeaker(1)It is adapted, the test is flat Platform(2)On be provided with test station card slot(3)And microphone(4), the loudspeaker(1)On be provided with sealing block(5), the sealing Block(5)Upper surface be equipped with groove(6), the test platform(2)It is equipped with the groove(6)Compatible convex block(7).
2. high sound pressure acoustical device according to claim 1 detects fixture, it is characterised in that:The holder includes bottom plate (8), left support plate(9), right support plate(10), middle partition board(11)And support plate(12), the left support plate(9), the middle partition board (11), the right support plate(10)Three it is spaced and with the bottom plate(8)It is vertically fixedly connected, the support plate(12)If It is placed in the left support plate(9)With the middle partition board(11)Between.
3. high sound pressure acoustical device according to claim 2 detects fixture, it is characterised in that:The support plate(12)Middle part is set Have and the loudspeaker(1)The compatible circular through hole in top, the loudspeaker(1)It is set to the support plate(12)Lower section, institute State loudspeaker(1)Top and the support plate(12)Xiang Ping, the sealing block(5)Positioned at the support plate(12)Upper surface.
4. high sound pressure acoustical device according to claim 3 detects fixture, it is characterised in that:The high sound pressure acoustical device It further includes cover board to detect fixture(13), the cover board(13)With the middle partition board(11)It is hinged, the test platform(2)It is fixed on The cover board(13)Middle part.
5. high sound pressure acoustical device according to claim 4 detects fixture, it is characterised in that:The support plate(12)Left end Middle part is provided with lock(14), the cover board(13)On be provided with and the lock(14)Compatible lock body(15).
6. high sound pressure acoustical device according to claim 5 detects fixture, it is characterised in that:The high sound pressure acoustical device Detection fixture further includes switching pcb board(16), the switching pcb board(16)It is fixed on the middle partition board(11)Right side and with institute State test platform(2)Signal is electrically connected.
7. high sound pressure acoustical device according to claim 1 detects fixture, it is characterised in that:The sealing block(5)It is interior Circle is provided with sealing ring(17).
CN201721884985.4U 2017-12-28 2017-12-28 High sound pressure acoustical device detects fixture Active CN207692063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721884985.4U CN207692063U (en) 2017-12-28 2017-12-28 High sound pressure acoustical device detects fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721884985.4U CN207692063U (en) 2017-12-28 2017-12-28 High sound pressure acoustical device detects fixture

Publications (1)

Publication Number Publication Date
CN207692063U true CN207692063U (en) 2018-08-03

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Application Number Title Priority Date Filing Date
CN201721884985.4U Active CN207692063U (en) 2017-12-28 2017-12-28 High sound pressure acoustical device detects fixture

Country Status (1)

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CN (1) CN207692063U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111148010A (en) * 2020-01-16 2020-05-12 广州市迈致电子科技有限公司 Clamp for loudspeaker vibration test

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111148010A (en) * 2020-01-16 2020-05-12 广州市迈致电子科技有限公司 Clamp for loudspeaker vibration test

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CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 519000 Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province, Area 29A, Xinke Road

Patentee after: Zhuhai Jingshi Measurement and Control Technology Co.,Ltd.

Address before: 519000 Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province, Area 29A, Xinke Road

Patentee before: P&R. MEASUREMENT Inc.