CN206517539U - Detection experiment shaker deck - Google Patents
Detection experiment shaker deck Download PDFInfo
- Publication number
- CN206517539U CN206517539U CN201621415857.0U CN201621415857U CN206517539U CN 206517539 U CN206517539 U CN 206517539U CN 201621415857 U CN201621415857 U CN 201621415857U CN 206517539 U CN206517539 U CN 206517539U
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- Prior art keywords
- shake
- shake table
- detection
- shaker deck
- electrically connected
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Abstract
The utility model discloses one kind detection experiment shaker deck, detection experiment shaker deck includes fuselage, shake table, motor is provided with fuselage, motor is electrically connected with control circuit, motor has shake output shaft upward, shaft coupling is provided with the lower section of shake table, shaft coupling is connected with shaking the upper end of output shaft, and the shake table is located at the top of shake output shaft；Shake locating part provided with elasticity between fuselage and shake table.The utility model can provide pin stabilization performance detection, the more accurate shaker deck of amplitude amplitude control, most important for improving experiment or accuracy of detection, reduction testing cost.
Description
Technical field
The utility model belongs to detection field, and in particular to one kind detection experiment shaker deck.
Background technology
With the continuous improvement of our people's living standard, digital camera comes into huge numbers of families gradually, from 2000 to
2008, China's digital camera sales volume was increased with the speed per year over 50%, accounted for the 10% of world's digital camera sale.And
Therefore the product quality occurred complains problem, also in rising trend.The knot counted by the complaints and denunciation center of Shanghai City 12365
Fruit shows, the problem of digital camera is complained be concentrated mainly on deadlocks, blood-shot eye illness problem, be imaged unintelligible, automatic mode expose it is wrong,
In terms of undercharge.For standard market, quality is lifted, Enterprise Healthy Development is promoted, safeguards consumers' rights and interests, digital camera
Performance detection is in widespread attention.At present, China is successively proposed《GB/T 19894-2005 digital cameras photoelectricity turns
The measuring method of exchange the letters number (OECFs)》、《The measurement of GB/T 19953-2005 digital camera resolution ratio》、《GB/T 20224-
2006 digital camera exposure indexs》、《JB/T 10362-2010 digital cameras》、《GB/T 29298-2012 numerals (code)
Camera general specification》Etc. national standard.
In promulgation《GB/T 29298-2012 numeral (code) camera general specifications》In (in June, 2013 implementation), first
The technical requirements and the method for inspection of stabilization function are defined in a standard, and camera stabilization function has been included in inspection project.Stabilization
It is that digital camera is the compensation scheme for preventing cameraman from causing image blur due to shake, is one of digital camera performance quality
Important evaluation index.Expand day by day with the consumer group of digital camera, user expands to commonly from professional photographers gradually
Photographer, the stabilization function of market logarithmic code camera it is also proposed higher requirement.In view of this, the national regulations newly put into effect,
Under dither state open shake compensation functionality its resolution ratio of digital camera with it is dithering when difference must not exceed 35%.Standard
Point out simultaneously, the progress of this test need to be using stabilization testing equipment to rely on, and possessing the testing stand of shaking detection ability needs satisfaction
Chattering frequency 5Hz, the requirement of amplitude ± 0.1 °.And provided in the market without such ready-made equipment, existing equipment is trembled
Dynamic amplitude is larger, it is impossible to meet the requirement of " stabilization " detection.
For other similar fields shake experiment or detection for, there is also it is same the problem of.
The content of the invention
The purpose of this utility model is to provide a kind of detection experiment shaker deck.The utility model can provide pin stabilization
Performance detection, the more accurate shaker deck of amplitude amplitude control, for improving experiment or accuracy of detection, reduction testing cost
It is most important.
Its technical scheme is as follows：
Detection experiment shaker deck, including fuselage, shake table, are provided with motor, motor and control on fuselage
Circuit is electrically connected with, and motor has shake output shaft upward, and shaft coupling, shaft coupling are provided with the lower section of shake table
It is connected with the upper end for shaking output shaft, the shake table is located at the top of shake output shaft；Bullet is provided between fuselage and shake table
The shake locating part of property.
Further, the shake locating part is two, respectively positioned at two opposite sides of the shaft coupling.
Further, the shake locating part is resilient metal strip.
Further, limited post is provided with the fuselage, limited post is provided with stopper slot, and two are shaken the interior of locating part
Hold and the shaft coupling is fixed, outer end is caught in stopper slot.
Further, two limited posts are located at two opposite sides of the fuselage respectively, and the shake table is located at institute
State the top of limited post.
Further, the shake table includes base station and fixed station, in the corresponding horizontal surface of the base station, fixed station
It is respectively equipped with corresponding chute and boss；The base station, fixed station are realized by the chute and boss and are slidably connected.
Further, the shake table also includes side stage, the wherein side of the side stage and wherein the one of the fixed station
Side is connected.
Further, acceleration transducer is additionally provided with the shake table, the acceleration transducer and the control electricity
Road is electrically connected with.
Further, the acceleration transducer is two, is respectively arranged on two opposite sides of the shake table.
Further, the control circuit includes amplifying circuit, automatic gain controller, power amplifier and chattering frequency
Generation module, the acceleration transducer is electrically connected with amplifying circuit, and amplifying circuit is electrically connected with automatic gain controller,
Chattering frequency occurs the output end of module and automatic gain controller is electrically connected with, the output end and power of automatic gain controller
Amplifier is electrically connected with, and power amplifier is electrically connected with the motor.
Shaker deck dither method is tested in detection, and this method is：Start motor, shake output shaft outwards exports rotation
Shake, the rotation shake is transferred to shake table by shaft coupling, and drives shake table to produce shake, in dither process, if shaking
The jitter amplitude of dynamic platform exceedes setting amplitude, then the amplitude of shake table is limited by shaking locating part.
Further, in dither process, acceleration transducer detects the shake acceleration of shake table in real time；Acceleration
The shake acceleration that sensor is detected is transmitted to control circuit；Shake acceleration is amplified by amplifying circuit, and this is amplified
Signal be compared with default gain threshold values, and then the gain factor of automatic gain controller is adjusted；If vibration
The shake acceleration of platform exceedes setting range, then automatic gain controller reduces its gain factor, and the signal passes through power amplification
After device amplification, output to motor；If the shake acceleration of shake table is less than setting range, automatic gain controller expands
Its gain factor, the signal is after power amplifier amplifies, output to motor；Make the amplitude preservation of shake table in setting
Scope.
Advantage of the present utility model or principle are illustrated below：
1st, the lower section of the shake table of detection experiment shaker deck is provided with shaft coupling, and the upper end of shaft coupling and shake output shaft connects
Connect, the shake table is located at the top of shake output shaft；Shake locating part provided with elasticity between fuselage and shake table；The detection
Testing the principle of shaker deck is：When being detected, start motor, shake output shaft outwards exports rotation shake, should
Rotation shake is transferred to shake table by shaft coupling, and drives shake table to produce shake, in dither process, if shake table is trembled
Dynamic amplitude exceedes setting amplitude, then the amplitude of shake table is limited by shaking locating part.
2nd, the shake locating part is two, respectively positioned at two opposite sides of the shaft coupling, by both sides to vibration
The shake of platform carries out spacing, skew of the reduction vibration to original position, improves spacing accuracy, is more beneficial for improving the essence detected
Degree.
3rd, the shake locating part is resilient metal strip, and the amplitude of shake is limited by resilient metal strip.
4th, limited post is provided with the fuselage, limited post is provided with stopper slot, in shaft coupling dither process, bonding jumper
Slight deformation can be produced, sets stopper slot to facilitate the slight displacement of resilient metal strip, it is to avoid bonding jumper is completely fixed and become
Shape.
5th, two limited posts are located at two opposite sides of the fuselage respectively, and the shake table is located at the limited post
Top, there is gap between the two to facilitate shake table to shake, in the case where shake table mobile range is excessive, the limited post
Also function to the effect of limited support.
6th, the shake table includes base station and fixed station, and the base station, fixed station are realized by the chute and boss and slided
Connection, before detection, detected object can be fixed with fixed station, then slipped into fixed station by chute and boss
Base station is fixed, and is more convenient when being fixed or taking apart.
7th, the wherein side of side stage is connected with the wherein side of the fixed station, can be to being detected the side of object on demand
Formula carries out installation fixation, to adapt to different installations or detection requirement.
8th, acceleration transducer is additionally provided with the shake table, the acceleration transducer electrically connects with the control circuit
Connect.
9th, the acceleration transducer is two, two opposite sides of the shake table is respectively arranged on, respectively to shake table
The acceleration of two different parts is sensed, and improves the accuracy of control.
10th, the control circuit includes amplifying circuit, automatic gain controller, power amplifier and chattering frequency generation mould
Block, in dither process, acceleration transducer detects the shake acceleration of shake table in real time；What acceleration transducer was detected
Shake acceleration is transmitted to control circuit；Shake acceleration amplified by amplifying circuit, and by the signal of the amplification with it is default
Gain threshold values is compared, and then the gain factor of automatic gain controller is adjusted；If the shake acceleration of shake table
More than setting range, then automatic gain controller reduces its gain factor, and the signal is after power amplifier amplifies, and output is extremely
Motor；If the shake acceleration of shake table is less than setting range, automatic gain controller expands its gain factor, the letter
Number after power amplifier amplifies, output to motor；Make the amplitude preservation of shake table in setting range.
Brief description of the drawings
Fig. 1 is the oblique view of detection experiment shaker deck in a first direction described in the utility model embodiment one；
Fig. 2 is oblique view of the detection experiment shaker deck in second direction described in the utility model embodiment one；
Fig. 3 is the control principle drawing of the utility model embodiment one；
Fig. 4 is the oblique view of detection experiment shaker deck in a first direction described in the utility model embodiment two；
Fig. 5 is oblique view of the detection experiment shaker deck in second direction described in the utility model embodiment two；
Description of reference numerals：
10th, fuselage, 11, motor, 111, shake output shaft, 12, shake locating part, 13, limited post, 131, spacing
Groove, 20, shake table, 21, shaft coupling, 22, base station, 221, boss, 23, fixed station, 231, chute, 24, side stage, 25, acceleration
Sensor, 30, control circuit, 31, amplifying circuit, 32, automatic gain controller, 33, power amplifier, 34, chattering frequency hair
Raw module, 40, digital camera.
Embodiment
Embodiment of the present utility model is described in detail below.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, detection experiment shaker deck, detection experiment shaker deck is used for logarithmic code camera
40 anti-shudder performance is tested, and it includes fuselage 10, shake table 20, and motor 11, motor are provided with fuselage 10
11 are electrically connected with control circuit 30, and motor 11 has shake output shaft 111 upward, in the lower section of shake table 20
Provided with shaft coupling 21, shaft coupling 21 is connected with shaking the upper end of output shaft 111, and the shake table 20 is located at shake output shaft 111
Top, the shake locating part 12 provided with elasticity between fuselage 10 and shake table 20.
Wherein, the shake locating part 12 is resilient metal strip, and the shake locating part 12 is two, respectively positioned at institute
State two opposite sides of shaft coupling 21.Limited post 13 is provided with the fuselage 10, limited post 13 is provided with stopper slot 131, two
The inner and shaft coupling 21 of individual shake locating part 12 is fixed, outer end is caught in stopper slot 131.Two 13 points of limited posts
Not Wei Yu the fuselage 10 two opposite sides, the shake table 20 be located at the limited post 13 top.
The shake table 20 includes base station 22 and fixed station 23, in the corresponding water-glass of the base station 22, fixed station 23
Face is respectively equipped with corresponding chute 231 and boss 221；The base station 22, fixed station 23 pass through the chute 231 and boss 221
Realization is slidably connected.Two acceleration transducers 25 are additionally provided with the shake table 20, the acceleration transducer 25 with it is described
Control circuit 30 is electrically connected with.Two acceleration transducers 25 are respectively arranged on two opposite sides of the shake table 20.
The control circuit 30 include amplifying circuit 31 (amplifying circuit 31 include charge amplifier and integral amplifier),
Module 34, the acceleration transducer 25 and amplification electricity occur for automatic gain controller 32, power amplifier 33 and chattering frequency
Road 31 is electrically connected with, and amplifying circuit 31 is electrically connected with automatic gain controller 32, and the output end of module 34 occurs for chattering frequency
It is electrically connected with automatic gain controller 32, output end and the power amplifier 33 of automatic gain controller 32 are electrically connected with, work(
Rate amplifier 33 is electrically connected with the motor 11.
The detection experiment shaker deck shake principle be：Start motor 11, the outwards output rotation of shake output shaft 111
Turn shake, the rotation shake is transferred to shake table 20 by shaft coupling 21, and drives shake table 20 to produce shake, in dither process
In, if the jitter amplitude of shake table 20 exceedes setting amplitude, the amplitude of shake table 20 is limited by shaking locating part 12
System.In dither process, acceleration transducer 25 detects the shake acceleration of shake table 20 in real time；The institute of acceleration transducer 25
The shake acceleration of detection is transmitted to control circuit 30；It (specifically, is shake that shake acceleration is amplified by amplifying circuit 31
After acceleration is by charge amplifier and integral amplifier amplification, it is changed into velocity amplitude or further becomes magnitude of voltage), and
The signal of the amplification is compared with default gain threshold values, and then the gain factor of automatic gain controller 32 is adjusted
It is whole；If the shake acceleration of shake table 20 exceedes setting range, automatic gain controller 32 reduces its gain factor, the signal
After the amplification of power amplifier 33, output to motor 11；If the shake acceleration of shake table 20 is less than setting range,
Automatic gain controller 32 expands its gain factor, and the signal is after the amplification of power amplifier 33, output to motor 11；
Make the amplitude preservation of shake table 20 in setting range.
The present embodiment has the following advantages that：
1st, the lower section of the shake table 20 of detection experiment shaker deck is provided with shaft coupling 21, shaft coupling 21 and shake output shaft
111 upper end connection, the shake table 20 is located at the top of shake output shaft 111；Bullet is provided between fuselage 10 and shake table 20
The shake locating part 12 of property；The detection experiment shaker deck principle be：When being detected, start motor 11, shake
Output shaft 111 outwards exports rotation shake, and the rotation shake is transferred to shake table 20 by shaft coupling 21, and drives shake table 20
Shake is produced, in dither process, if the jitter amplitude of shake table 20 exceedes setting amplitude, is shaken by shaking 12 pairs of locating part
The amplitude of dynamic platform 20 is limited.
2nd, the shake locating part 12 is two, respectively positioned at two opposite sides of the shaft coupling 21, passes through both sides pair
The shake of shake table 20 carries out spacing, skew of the reduction vibration to original position, improves spacing accuracy, is more beneficial for improving and detects
Precision.
3rd, the shake locating part 12 is resilient metal strip, and the amplitude of shake is limited by resilient metal strip.
4th, limited post 13 is provided with the fuselage 10, limited post 13 is provided with stopper slot 131, shaken in shaft coupling 21
Cheng Zhong, bonding jumper can produce slight deformation, set stopper slot 131 to facilitate the slight displacement of resilient metal strip, it is to avoid metal
Bar is completely fixed and deformed.
5th, two limited posts 13 are located at two opposite sides of the fuselage 10 respectively, and the shake table 20 is located at described
, there is gap to facilitate shake table 20 to shake in the top of limited post 13, in the excessive feelings of the mobile range of shake table 20 between the two
Under condition, the limited post 13 also functions to the effect of limited support.
6th, the shake table 20 includes base station 22 and fixed station 23, the base station 22, fixed station 23 by the chute 231 and
Boss 221 is realized and is slidably connected, and before detection, digital camera 40 can be fixed with fixed station 23, then pass through chute 231
And fixed station 23 is slipped into base station 22 and is fixed by boss 221, it is more convenient when being fixed or taking apart.
7th, acceleration transducer 25 is additionally provided with the shake table 20, the acceleration transducer 25 and the control circuit
30 are electrically connected with.
8th, the acceleration transducer 25 is two, two opposite sides of the shake table 20 is respectively arranged on, respectively to shaking
The acceleration of 20 two different parts of dynamic platform is sensed, and improves the accuracy of control.
9th, the control circuit 30 includes amplifying circuit 31, automatic gain controller 32, power amplifier 33 and shake frequency
Module 34 occurs for rate, in dither process, and acceleration transducer 25 detects the shake acceleration of shake table 20 in real time；Acceleration
The shake acceleration that sensor 25 is detected is transmitted to control circuit 30；Shake acceleration is amplified by amplifying circuit 31, and will
The signal of the amplification is compared with default gain threshold values, and then the gain factor of automatic gain controller 32 is adjusted
It is whole；If the shake acceleration of shake table 20 exceedes setting range, automatic gain controller 32 reduces its gain factor, the signal
After the amplification of power amplifier 33, output to motor 11；If the shake acceleration of shake table 20 is less than setting range,
Automatic gain controller 32 expands its gain factor, and the signal is after the amplification of power amplifier 33, output to motor 11；
Make the amplitude preservation of shake table 20 in setting range.In the present embodiment, the amplitude preservation of shake table can be made by foregoing adjustment
At ± 0.1 degree.
Embodiment two
As shown in Figure 4, Figure 5, in the present embodiment, the shake table 20 also includes side stage 24, and wherein the one of the side stage 24
Side is connected with the wherein side of the fixed station 23.The wherein side of side stage 24 is connected with the wherein side of the fixed station 23,
Installation fixation can be carried out in a desired fashion with logarithmic code camera 40, to adapt to different installations or detection requirement.
Specific embodiment of the utility model is these are only, protection domain of the present utility model is not limited with this；Not
Any replacement made on the basis of the utility model design is violated with improving, belongs to protection domain of the present utility model.
Claims (10)
1. detection experiment shaker deck, it is characterised in that including fuselage, shake table, is provided with motor, driving electricity on fuselage
Machine is electrically connected with control circuit, and motor has shake output shaft upward, and shaft coupling is provided with the lower section of shake table
Device, shaft coupling is connected with shaking the upper end of output shaft, and the shake table is located at the top of shake output shaft；Fuselage and shake table it
Between provided with elasticity shake locating part.
2. shaker deck is tested in detection as claimed in claim 1, it is characterised in that the shake locating part is two, respectively position
In two opposite sides of the shaft coupling.
3. shaker deck is tested in detection as claimed in claim 2, it is characterised in that the shake locating part is resilient metal strip.
4. shaker deck is tested in detection as claimed in claim 3, it is characterised in that limited post is provided with the fuselage, spacing
Post is provided with stopper slot, and two inner and shaft couplings for shaking locating parts are fixed, outer end is caught in stopper slot.
5. shaker deck is tested in detection as claimed in claim 4, it is characterised in that two limited posts are located at the machine respectively
The opposite side of two of body, the shake table is located at the top of the limited post.
6. the detection experiment shaker deck as any one of claim 1 to 5, it is characterised in that the shake table includes base
Platform and fixed station, corresponding chute and boss is respectively equipped with the corresponding horizontal surface of the base station, fixed station；The base
Platform, fixed station are realized by the chute and boss and are slidably connected.
7. shaker deck is tested in detection as claimed in claim 6, it is characterised in that the shake table also includes side stage, the side
The wherein side of platform is connected with the wherein side of the fixed station.
8. the detection experiment shaker deck as any one of claim 1 to 5, it is characterised in that on the shake table also
Provided with acceleration transducer, the acceleration transducer is electrically connected with the control circuit.
9. shaker deck is tested in detection as claimed in claim 8, it is characterised in that the acceleration transducer is two, respectively
Located at two opposite sides of the shake table.
10. as claimed in claim 8 detection experiment shaker deck, it is characterised in that the control circuit include amplifying circuit, from
Module occurs for dynamic gain controller, power amplifier and chattering frequency, and the acceleration transducer electrically connects with amplifying circuit
Connect, amplifying circuit is electrically connected with automatic gain controller, the output end and automatic gain controller of module occur for chattering frequency
It is electrically connected with, output end and the power amplifier of automatic gain controller are electrically connected with, power amplifier and the motor
It is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415857.0U CN206517539U (en) | 2016-12-21 | 2016-12-21 | Detection experiment shaker deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621415857.0U CN206517539U (en) | 2016-12-21 | 2016-12-21 | Detection experiment shaker deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517539U true CN206517539U (en) | 2017-09-22 |
Family
ID=59862207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621415857.0U Withdrawn - After Issue CN206517539U (en) | 2016-12-21 | 2016-12-21 | Detection experiment shaker deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517539U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040774A (en) * | 2016-12-21 | 2017-08-11 | 广州计量检测技术研究院 | Detection experiment shaker deck and its dither method |
| CN114167796A (en) * | 2022-02-09 | 2022-03-11 | 成都市克莱微波科技有限公司 | Power amplifier control device, system, method and storage medium |
-
2016
- 2016-12-21 CN CN201621415857.0U patent/CN206517539U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040774A (en) * | 2016-12-21 | 2017-08-11 | 广州计量检测技术研究院 | Detection experiment shaker deck and its dither method |
| CN107040774B (en) * | 2016-12-21 | 2019-01-08 | 广州计量检测技术研究院 | Detection test shaker deck and its dither method |
| CN114167796A (en) * | 2022-02-09 | 2022-03-11 | 成都市克莱微波科技有限公司 | Power amplifier control device, system, method and storage medium |
| CN114167796B (en) * | 2022-02-09 | 2022-04-26 | 成都市克莱微波科技有限公司 | Power amplifier control device, system, method and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170922 Effective date of abandoning: 20190108 |