CN108088663A - A kind of car door lock testboard bay - Google Patents
A kind of car door lock testboard bay Download PDFInfo
- Publication number
- CN108088663A CN108088663A CN201611025220.5A CN201611025220A CN108088663A CN 108088663 A CN108088663 A CN 108088663A CN 201611025220 A CN201611025220 A CN 201611025220A CN 108088663 A CN108088663 A CN 108088663A
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- CN
- China
- Prior art keywords
- door lock
- testboard
- latch bracket
- microphone
- car door
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- 230000001133 acceleration Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000011156 evaluation Methods 0.000 description 4
- 238000012956 testing procedure Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
A kind of car door lock testboard bay, is related to automobile door lock domain.The car door lock testboard bay, including testboard, dummy head, noiseless bearing, adjusting guide rail, latch bracket, lock catch support and microphone arm, sensor stand is wherein fixedly connected on latch bracket, microphone is installed on sensor stand, the axial direction of the microphone and latch bracket has certain angle.Condition of the device with application is extensive, and easily operated, reliable test result has the advantages that very strong versatility, and of low cost.
Description
Technical field
The present invention relates to automobile door lock domain, more particularly to a kind of car door lock testboard bay.
Background technology
Auto parts work noise and sound quality are the piths of auto NVH research, horizontal height with it is good and bad again
Directly affect tendency of the people to the impression of automobile total quality and purchase.And the switch sound of car door then reflects automobile
The important informations such as safe, comfortable and reliable, therefore the several quality researchs of switch gate of car door are highly significant.At present in whole elimination room
In the device that uses to the noise analysis of lock single-piece it is complicated, test result is unreliable, and only for fixed vehicle, cost
It is relatively high.
The content of the invention
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of car door lock testboard bay, knots
Structure is simple, is easily installed and realizes.
The technical solution adopted in the present invention is：A kind of car door lock testboard bay, is characterized in that, including test
Platform, dummy head, noiseless bearing, adjusting guide rail, latch bracket, lock catch support and microphone arm；
Latch bracket is fixed on testboard, sensor stand is fixedly connected on the latch bracket, in sensor stand
The axial direction of upper installation microphone, the microphone and latch bracket has certain angle；
Adjusting guide rail is additionally provided on testboard, noiseless bearing is slidably connected with adjusting guide rail and is moved along guide rail is adjusted, in nothing
Acoustic axis holds the lock catch support for being rotatably connected to belt lock catch, and door lock is mounted on latch bracket, with being arranged on lock catch support
Snap fit realization is latched and unlocked, and photoelectricity acceleration transducer is provided at the position of door lock on latch bracket；
On testboard dummy head is additionally provided with apart from the position of latch bracket side certain distance.
Vibration isolation rubber is additionally provided in the bottom of testboard bay.
There are 45 degree of angles between the microphone and latch bracket axial direction.
The dummy head is fixed on testboard, has the distance of 400~600mm between dummy head and door lock.
Data acquisition device, the data acquisition device output with microphone respectively are additionally provided on testboard bay
End is connected with the output terminal of dummy head.
The output terminal connection computer of the data acquisition device.
The beneficial effects of the invention are as follows：The car door lock testboard bay, including testboard, dummy head, noiseless bearing, tune
Guide rail, latch bracket, lock catch support and microphone arm are saved, wherein sensor stand is fixedly connected on latch bracket,
Microphone is installed, the axial direction of the microphone and latch bracket has certain angle on sensor stand.The device has should
Condition is extensive, easily operated, reliable test result, has the advantages that very strong versatility, and of low cost.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Other attached drawings.
Fig. 1 is the structure diagram of car door lock testboard bay in the embodiment of the present invention；
Fig. 2 is sensor stand and latch bracket structure diagram in the embodiment of the present invention；
Number explanation is as follows in figure：1 testboard, 2 door locks, 3 microphones, 4 locks, 5 data acquisition devices, 6 photoelectricity acceleration pass
Sensor, 7 dummy heads, 8 noiseless bearings, 9 adjust guide rail, 10 latch brackets, 11 lock catch supports, 12 vibration isolation rubber, 13 microphone branch
Frame.
Specific embodiment
Enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings 1~Fig. 2 and tool
The present invention is described in further detail for body embodiment.
Car door lock testboard bay in the present embodiment, including testboard 1, dummy head 7, noiseless bearing 8, adjusting guide rail
9th, latch bracket 10, lock catch support 11 and microphone arm 13.
Latch bracket 10 is bolted on testboard 1, and sensor stand 13 has been bolted on latch bracket 10,
Microphone 3 is installed on sensor stand 13, microphone 3 and the axial direction of latch bracket 10 have 45 degree of angles.
The lock catch support 11 of belt lock catch 4 is rotatably connected on noiseless bearing 8, lock catch support 11 is as rocking arm with no acoustic axis
8 rotations are held, door lock 2 is mounted on latch bracket 10, coordinates with the lock 4 being arranged on lock catch support 11, with detained stent
Rise and fall, realization latch and unlock.It is additionally provided on testboard 1 and adjusts guide rail 9, noiseless bearing 8 is slidably connected with adjusting guide rail 9
And can be moved along guide rail 9 is adjusted, lock the distance between 4 and door lock 2 are adjusted.Close to the position of door lock 2 on latch bracket 10
The place of putting is provided with photoelectricity acceleration transducer 6, for gathering noise of marching into the arena.
Dummy head is additionally provided with apart from the position of 10 400~600mm of side of latch bracket on testboard 1, for detecting
Far-field noise.
Vibration isolation rubber 12 is additionally provided in the bottom of testboard bay 1, is connected thereto for mitigating testboard bay 1 between position
Vibration.
Data acquisition device in the present embodiment draws connection computer by USB line and the sample sound collected is divided
Analysis, specifically includes：
First, microphone 3 is fixed on microphone arm 13 so that the axial direction folder at 45 ° of microphone 3 and latch bracket 10
Angle, distance is 100mm therebetween, and measures real vehicle car door length 735mm and when closing of the door latch speed 0.9m/s at closing time.
Testing procedure is as follows：Lock catch support 11, which is adjusted, on guide rail 9 is adjusted makes it meet real vehicle state（It is i.e. true
The state of door lock single-piece noise when reflecting real vehicle state）, lock catch support 11, which is repeatedly latched, to operate and the process that latches is carried out
Test data collection, the present embodiment are realized using data acquisition device 5,4 groups of Validity Test data are recorded, in a computer to falling
It locks several qualities to be analyzed, calculates the psychologic acoustics parameter such as loudness and sharpness and carry out objective evaluation and latch several qualities and to make an uproar
Sound value, as shown in table 1：
Table 1 is loudness, sharpness, sound pressure level meter
| Parameter | Loudness | Sharpness | Sound pressure level |
| Numerical value | 121soneGF | 8.47acum | 93dB(A) |
Microphone 3 is fixed on microphone arm 13 so that microphone 3 and the plane that latches are at 45 °, and distance is therebetween
100mm, and measure real vehicle car door length 720mm and when closing of the door latch speed 0.9m/s at closing time.
Testing procedure is as follows：It is adjusted that it is made to meet real vehicle conditions dictate is true to lock catch support 11 on guide rail 9 is adjusted
Door lock single-piece noise during real reflection real vehicle state, lock catch support 11, which is repeatedly latched, to be operated and to the process data acquisition that latches
Device 5 is acquired, and experiment is completed after recording 4 groups of Validity Test data.Several qualities that latch are analyzed in a computer,
It calculates the psychologic acoustics parameter such as loudness and sharpness and carrys out objective evaluation and latch several qualities and noise figure, as shown in table 2：
2 table 1 of table is loudness, sharpness, sound pressure level meter
| Parameter | Loudness | Sharpness | Sound pressure level |
| Numerical value | 110soneGF | 8.29acum | 92dB(A) |
Microphone 3 is fixed on microphone arm 13 so that the axis structure angle at 45 ° of microphone 3 and latch bracket 10, and away from
From for 100mm, and measure real vehicle car door length 740mm and when closing of the door latch speed 0.9m/s at closing time.
Testing procedure is as follows：Lock catch support 11 is adjusted on guide rail 9 is adjusted, it is made to meet real vehicle state (can
The situation of door lock single-piece noise during enough true reflection real vehicle states), lock catch support 11, which is repeatedly latched, to be operated and to latching
Cheng Jinhang data acquisitions, the present embodiment are realized using data acquisition device 5, and experiment is completed after recording 4 groups of Validity Test data.
Several qualities that latch are analyzed in computer, the psychologic acoustics parameter such as loudness and sharpness is calculated and carrys out objective evaluation and latch
Several qualities and noise figure, as shown in table 3：
Table 3 is loudness and sharpness and sound pressure level meter
| Parameter | Loudness | Sharpness | Sound pressure level |
| Numerical value | 145soneGF | 13.31acum | 98dB(A) |
Microphone 3 is fixed on microphone arm 13 so that angle at 45 ° between microphone 3 and lock catch support 11, and the two away from
From for 100mm, and measure real vehicle car door length 695mm and when closing of the door latch speed 0.9m/s at closing time.
Testing procedure is as follows：Lock catch support 11 is adjusted on guide rail 9 is adjusted, it is made to meet real vehicle state（It can
The state of door lock single-piece noise during enough true reflection real vehicle states）, lock catch support 11, which is repeatedly latched, to be operated and to latching
Cheng Jinhang data acquisitions, the present embodiment are realized using data acquisition device 5, and experiment is completed after recording 4 groups of Validity Test data.
Several qualities that latch are analyzed in computer, the psychologic acoustics parameter such as loudness and sharpness is calculated and carrys out objective evaluation and latch
Several qualities and noise figure：
Table 4 is loudness, sharpness and sound pressure level meter
| Parameter | Loudness | Sharpness | Sound pressure level |
| Numerical value | 111soneGF | 9.34acum | 94dB(A) |
By four each psychoacoustic parameters of example test comparison, it can be found that 2 corresponding lock single-piece sound quality of example is more
To be excellent.
Although specific embodiments of the present invention have been described above, those skilled in the art in the art should manage
Solution, these are merely examples, and many changes and modifications may be made, without departing from the principle of the present invention
And essence.The scope of the present invention is only limited by the claims that follow.
Claims (6)
1. a kind of car door lock testboard bay, it is characterised in that, including testboard, dummy head, noiseless bearing, adjust guide rail,
Latch bracket, lock catch support and microphone arm；
Latch bracket is fixed on testboard, sensor stand is fixedly connected on the latch bracket, in sensor stand
The axial direction of upper installation microphone, the microphone and latch bracket has certain angle；
Adjusting guide rail is additionally provided on testboard, noiseless bearing is slidably connected with adjusting guide rail and is moved along guide rail is adjusted, in nothing
Acoustic axis holds the lock catch support for being rotatably connected to belt lock catch, and door lock is mounted on latch bracket, with being arranged on lock catch support
Snap fit realization is latched and unlocked, and photoelectricity acceleration transducer is provided at the position of door lock on latch bracket；
On testboard dummy head is additionally provided with apart from the position of latch bracket side certain distance.
2. car door lock testboard bay as described in claim 1, it is characterised in that, it is additionally provided in the bottom of testboard bay
Vibration isolation rubber.
3. car door lock testboard bay as described in claim 1, it is characterised in that, the microphone and latch bracket axis
To have 45 degree of angles.
4. car door lock testboard bay as described in claim 1, it is characterised in that, the dummy head is fixed on testboard
On, the distance with 400~600mm between dummy head and door lock.
5. car door lock testboard bay as described in claim 1, it is characterised in that, data are additionally provided on testboard bay
Harvester, output terminal of the data acquisition device respectively with the output terminal of microphone and dummy head are connected.
6. car door lock testboard bay as claimed in claim 5, it is characterised in that, the output of the data acquisition device
End connection computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025220.5A CN108088663A (en) | 2016-11-22 | 2016-11-22 | A kind of car door lock testboard bay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025220.5A CN108088663A (en) | 2016-11-22 | 2016-11-22 | A kind of car door lock testboard bay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108088663A true CN108088663A (en) | 2018-05-29 |
Family
ID=62169420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611025220.5A Withdrawn CN108088663A (en) | 2016-11-22 | 2016-11-22 | A kind of car door lock testboard bay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108088663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665714A (en) * | 2021-01-11 | 2021-04-16 | 东风汽车集团股份有限公司 | Auxiliary testing device for noise inside and outside vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135613A (en) * | 2007-10-22 | 2008-03-05 | 奇瑞汽车有限公司 | Test-bed of back-up case lock |
| CN202853738U (en) * | 2012-10-25 | 2013-04-03 | 上海恩坦华汽车门系统有限公司 | Sound test clamp |
| CN103033376A (en) * | 2012-12-10 | 2013-04-10 | 奇瑞汽车股份有限公司 | Electric trunk performance test device |
| CN206270018U (en) * | 2016-11-22 | 2017-06-20 | 华晨汽车集团控股有限公司 | A kind of car door lock testboard bay |
-
2016
- 2016-11-22 CN CN201611025220.5A patent/CN108088663A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135613A (en) * | 2007-10-22 | 2008-03-05 | 奇瑞汽车有限公司 | Test-bed of back-up case lock |
| CN202853738U (en) * | 2012-10-25 | 2013-04-03 | 上海恩坦华汽车门系统有限公司 | Sound test clamp |
| CN103033376A (en) * | 2012-12-10 | 2013-04-10 | 奇瑞汽车股份有限公司 | Electric trunk performance test device |
| CN206270018U (en) * | 2016-11-22 | 2017-06-20 | 华晨汽车集团控股有限公司 | A kind of car door lock testboard bay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665714A (en) * | 2021-01-11 | 2021-04-16 | 东风汽车集团股份有限公司 | Auxiliary testing device for noise inside and outside vehicle |
| CN112665714B (en) * | 2021-01-11 | 2023-06-30 | 东风汽车集团股份有限公司 | Auxiliary testing device for noise inside and outside vehicle |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180529 |
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| WW01 | Invention patent application withdrawn after publication |