TWI479154B - A connecting rods dynamic testing machine and a testing equipment using the same - Google Patents

A connecting rods dynamic testing machine and a testing equipment using the same Download PDF

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Publication number
TWI479154B
TWI479154B TW102104186A TW102104186A TWI479154B TW I479154 B TWI479154 B TW I479154B TW 102104186 A TW102104186 A TW 102104186A TW 102104186 A TW102104186 A TW 102104186A TW I479154 B TWI479154 B TW I479154B
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TW
Taiwan
Prior art keywords
platform
test
base
link type
type dynamic
Prior art date
Application number
TW102104186A
Other languages
Chinese (zh)
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TW201321756A (en
Inventor
Sung Po Shih
Original Assignee
King Yuan Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by King Yuan Electronics Co Ltd filed Critical King Yuan Electronics Co Ltd
Priority to TW102104186A priority Critical patent/TWI479154B/en
Publication of TW201321756A publication Critical patent/TW201321756A/en
Application granted granted Critical
Publication of TWI479154B publication Critical patent/TWI479154B/en

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Description

Link type dynamic testing machine and dynamic testing device using the same
The invention relates to a link type dynamic testing machine and a dynamic testing device using the same, in particular to a link type three-dimensional dynamic testing machine suitable for testing a dynamic inductor and a dynamic testing device using the same.
In recent years, with the rapid development of MEMS, various miniaturized, high-performance and low-cost sensors have emerged, which has further enhanced the sensor from key components into the main components of innovative value, such as Apple's iPhone. Most of the three-axis acceleration sensors used in the new generation iPod and Nintendo's Wii are applied to the sensor using MEMS technology. The principle of the acceleration sensor is to induce the XYZ triaxial component of the acceleration direction to obtain the object. Motion vector in three degrees of space.
Please refer to FIG. 15 , which is a schematic diagram of a conventional linear reciprocating dynamic testing machine. The linear reciprocating device has a reciprocating slide on the carrying platform 91. The slider 95, an eccentric wheel 92 and a connecting rod 93 have an eccentric 92 and a weight 94. The two ends of the connecting rod 93 are respectively pivotally connected to the reciprocating slider 95 and the eccentric 92 with respect to the weight 94. On one side, the weight 94 is mainly used to balance the force at both ends to maintain the stability of the overall operation. In addition, the test stand 96 is disposed on the reciprocating slider 95, and the test stand 96 is provided with a plurality of sensors 17 to be tested.
The conventional linear reciprocating dynamic testing machine utilizes the acceleration characteristic of the crank slider mechanism to act on the dynamic sensing device to achieve the high G force (G-force) test condition, but the one-sided linear reciprocating design is designed for testing. At the time, the vibration of the whole device is quite large, and the main body of the machine will be shaken too much, which affects the test quality. It is not very ideal, and there is still room for improvement.
In view of this, in the spirit of active invention, a link type dynamic testing machine capable of solving the above problems and a dynamic testing device using the same are studied, and the present invention has been completed after several research experiments.
The object of the present invention is to provide a link type dynamic testing machine which can effectively reduce the noise during testing and suppress the vibration noise generated by the mechanism.
Another object of the present invention is to achieve the three-axis acceleration test in the X, Y and Z directions at the same time, which is simpler than the conventional three-axis acceleration test device and can effectively reduce the cost.
Another object of the present invention is a parallel four-bar linkage of a link type dynamic testing machine, which rotates with a pivot as a center, and can achieve the purpose of testing centripetal acceleration, and is used for providing a sensor for testing a gyroscope, increasing its practicality. Sex.
To achieve the above object, the link type dynamic testing machine of the present invention comprises: a carrying platform, an active platform, a driven platform, a parallel four-link, a test base and a driving unit.
The support platform has a support block, and each of the parallel four-links is pivotally mounted on the support block by a pivot. The active platform and the driven platform are pivoted on the parallel four links and are respectively located on opposite sides of the support block. As for the test base, it is placed on the driven platform. The driving unit is used to drive the reciprocating motion of the active platform, thereby causing the driven platform and the test base to reciprocate via the parallel four links.
The driving unit may include at least one magnet, at least one electromagnet, a power amplifier, and an oscilloscope. At least one magnet can be fixed on the active platform, at least one electromagnet can be fixed on the carrying platform, and the power amplifier and the oscilloscope can be electrically connected to the at least one electromagnet for controlling the magnetic pole of the at least one electromagnet and the magnetic pole exchange frequency. The reciprocating motion is generated by the magnet fixed to the active platform and the electromagnet exchanged magnetic pole fixed to the carrying platform, so that the link dynamic testing machine swings left and right, and the speed and the swing amplitude can be controlled by the oscilloscope and the line amplifier. . In addition, the above drive unit may also be a motor, a hydraulic cylinder, a pneumatic cylinder, or other equivalent device.
In addition, the at least one magnet and the at least one electromagnet may be two magnets and one electromagnet, or may be a magnet and two electromagnets, or may be two magnets and two electromagnets, or other numbers of magnets and electromagnetics. The combination of iron can achieve the function of reciprocating motion.
The active platform, the driven platform and the support block may be arranged in parallel. Moreover, the present invention may further include a shockproof pad fixed under the carrying platform. 俾 can effectively reduce the vibration of the load-bearing platform during testing. In addition, the present invention may further include a base fixed to the underside of the shockproof pad, and the two sides of the base may respectively have a grip to facilitate the carrying of the base.
Each of the links may have a slot, and the pivot can slide in the slot to adjust the distance between the active platform and the support block, so that the swing amplitude of the four links can be adjusted.
In addition, the test base can accommodate a test stand, and the test stand can accommodate a sensor to be tested that is 45 degrees to the direction of movement of the test stand to simultaneously test the two axial acceleration values of the sensor to be tested. In addition, the swing of the four-bar linkage has a height difference, so that the three-axis acceleration value of the sensor to be tested can be simultaneously tested. In addition, the parallel four-link is rotated by the pivot as a center to generate centripetal acceleration, and the sensor of the gyroscope can be tested.
The link type dynamic testing device of the present invention comprises: a link type dynamic testing machine, a rotating carrier, a feeding tray and a feeding device.
The link type dynamic testing machine of the dynamic testing device of the invention is fixed on a base, and the structure thereof is exactly the same as the link type dynamic testing machine described above, and therefore will not be described again. In addition, the rotating carrier is disposed on the base and below the test base, and may include a plurality of carrier bases. The feeding tray can be fixed on the base, and has a spiral guide. The feeding tray guides the plurality of sensors to be tested along the spiral guide to a feeding tube in a vibrating manner. Furthermore, the feeding device can be disposed between the rotating carrier and the feeding tray for transferring the plurality of sensors to be tested of the feeding tube to the rotating carrier.
In addition, the feeding device of the dynamic testing device of the present invention may further include a robot arm and a suction head for sucking the sensor to be tested by the suction head. The robot arm can transport the plurality of sensors to be tested to one of the test bases on the plurality of carrier bases of the rotating carrier.
Furthermore, below the rotating carrier and corresponding to the test base, a pneumatic cylinder or other equivalent device can be fixed for lifting the bearing base provided with the test seat. In addition, the plurality of carrier bases may be annular and may be equally spaced on the rotating carrier.
1‧‧‧Dynamic testing machine
11‧‧‧Loading station
111‧‧‧Support block
12‧‧‧Active platform
13‧‧‧ driven platform
14‧‧‧ Connecting rod
141‧‧‧ pivot
142‧‧‧ pivot
143‧‧‧Slots
144‧‧‧ pivot
15‧‧‧Test base
151‧‧‧Test needle holder
152‧‧‧Test cable
16‧‧‧Drive unit
161‧‧‧ oscilloscope
162‧‧‧Power Amplifier
163‧‧‧Electromagnet
164‧‧‧ magnet
17‧‧‧ Shock pad
18‧‧‧Abutment
181‧‧‧ grip
2‧‧‧ test seat
21‧‧‧ accommodating slots
3‧‧‧ sensor
4‧‧‧Rotary carrier
41‧‧‧Loading base
42‧‧‧ pneumatic cylinder
5‧‧‧ Feed tray
51‧‧‧Spiral guide
52‧‧‧ Feeding tube
6‧‧‧Feeding device
61‧‧‧Machine arm
62‧‧‧Sucking head
7‧‧‧Base
8‧‧‧Distribution device
81‧‧‧Machining arm
82‧‧‧Sucking head
83‧‧‧Separate barrel
91‧‧‧Loading station
92‧‧‧Eccentric wheel
93‧‧‧ Connecting rod
94‧‧‧weights
95‧‧‧Reciprocating slider
96‧‧‧ test seat
97‧‧‧ sensor
V, X, Y, Z‧‧ Direction
R‧‧‧ rotating central axis
Ax‧‧‧X-axis acceleration component
Ay‧‧‧Y-axis acceleration component
Ar‧‧‧ centripetal acceleration
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a preferred embodiment of a link type dynamic testing machine of the present invention.
2 is a cross-sectional view showing a preferred embodiment of the link type dynamic testing machine of the present invention.
3 is a structural diagram of a drive unit system of a preferred embodiment of the link type dynamic testing machine of the present invention.
4 is a perspective view of a four-link swing to the left of a preferred embodiment of the link type dynamic testing machine of the present invention.
Fig. 5 is a perspective view showing the four-link swinging to the right of a preferred embodiment of the link type dynamic testing machine of the present invention.
6 is a perspective view showing a test pedestal of a preferred embodiment of the link type dynamic testing machine of the present invention.
Figure 7 is a perspective view of a preferred embodiment of the link type dynamic testing apparatus of the present invention.
Figure 8 is a perspective view of a feeding device of a preferred embodiment of the link type dynamic testing device of the present invention.
9 is a link type of a preferred embodiment of the link type dynamic testing device of the present invention; A perspective view of a dynamic test machine and a rotating carrier.
Figure 10 is a partial perspective view of a test susceptor vacuum adsorption test stand of a preferred embodiment of the link type dynamic test apparatus of the present invention.
Figure 11 is a plan view of a test stand of a preferred embodiment of the link type dynamic test apparatus of the present invention.
Figure 12 is a plan view of a test socket accommodating groove of a preferred embodiment of the link type dynamic testing device of the present invention.
Figure 13 is a side elevational view of a link type dynamic testing machine in accordance with a preferred embodiment of the linked rod dynamic testing apparatus of the present invention.
Figure 14 is a partial perspective view of a dispensing device in accordance with a preferred embodiment of the linked rod dynamic testing apparatus of the present invention.
Figure 15 is a schematic illustration of a conventional linear reciprocating dynamic testing machine.
Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which are perspective views, cross-sectional views and a system diagram of a driving unit system according to a preferred embodiment of the linkage dynamic testing machine of the present invention. In this embodiment, a link type dynamic testing machine 1 includes: a carrying platform 11, an active platform 12, a driven platform 13, a parallel four-link 14, a test base 15, a driving unit 16, and a shockproof Pad 17 and a base 18.
The carrier 11 has a support block 111, and each of the links 14 of the parallel four links 14 is pivotally mounted on the support block 111 by a pivot 141. The active platform 12 and the driven platform 13 are pivoted on the parallel four links 14 by another pivot 142 and are respectively located on opposite sides of the support block 111. As for testing The base 15 is pivotally mounted on the driven platform 13 by another pivot 144. The driving unit 16 is configured to drive the active platform 12 to reciprocate, thereby causing the driven platform 13 and the test base 15 to reciprocate via the parallel four links 14 .
The driving unit 16 includes an oscilloscope 161, a power amplifier 162, two electromagnets 163, and two magnets 164. The two electromagnets 163 are fixed to the carrying platform 11 , and the two magnets 164 are fixed to the active platform 12 . The oscilloscope 161 is configured to adjust the magnetic pole switching frequency of the two electromagnets 163 and electrically connect the power amplifier 162, and the power amplifier 163 is electrically connected to the two electromagnets 165, and the power amplifier 163 is controlled by the oscilloscope 161 to control the two electromagnets 163. The magnetic pole switching, that is, the swing speed of the link type dynamic testing machine 1 is controlled.
Each of the links 14 of the embodiment has a slot 143, and the pivot 141 can slide in the slot 143 to adjust the distance between the active platform 12 and the support block 111, so that the swing of the parallel four-link 14 can be adjusted. Adjusted.
Furthermore, the active platform 12, the driven platform 13 and the support block 111 of the embodiment are arranged in parallel. Moreover, the anti-vibration pad 17 of the embodiment is composed of a plurality of anti-vibration blocks, and is fixed under the carrying platform 11, so that the vibration of the carrying platform 11 during testing can be effectively reduced. In addition, the base 18 of the embodiment is fixed under the shockproof pad 17, and the two sides of the base 18 respectively have a grip 181 for facilitating the carrying of the base 18.
Please refer to FIG. 4 and FIG. 5 , which are perspective views of the four-link swinging left and right of a preferred embodiment of the link dynamic testing machine of the present invention. As shown in the figure, the reciprocating motion is generated by the magnetic exchange of the two magnets 164 fixed to the active platform 12 and the magnetic poles of the two electromagnets 163 fixed to the carrying platform 11 . The parallel four-link 14 is caused to swing left and right to drive the test base 15 to sway, and by the oscilloscope 161 and the power amplifier 162, the speed and the amplitude of the swing of the parallel four-link 14 are controlled. Moreover, since the two magnets 161 and the two electromagnets 162 are non-contact type transmission, no noise and test noise are generated compared with the conventional test equipment, and the structure is simple, and the manufacturing cost can be saved.
Please refer to FIG. 6 , which is a perspective view of a test pedestal of a preferred embodiment of the link dynamic testing machine of the present invention. As shown, the test pedestal 15 is turned up at 90 degrees, whereby the acceleration reference zero value of the sensor in the third direction Z except for the plane X, Y directions is measured.
Please refer to FIG. 7 and FIG. 8 , which are perspective views of a preferred embodiment of the link type dynamic testing device of the present invention and a perspective view of the feeding device. As shown in the figure, the link type dynamic testing device of the present embodiment comprises: a link type dynamic testing machine 1, a rotating carrier 4, a feeding tray 5, a feeding device 6, and a plurality of testing seats 2.
The structure of the link type dynamic testing machine 1 of the present embodiment is identical to that of the foregoing, and is fixed on a base 7, and the structure thereof will not be described herein.
The figure shows that the feed tray 5 is fixed on the base 7, and has a spiral guide 51 for guiding the plurality of sensors 3 to be tested along the spiral guide 51 to a feed tube 52 in a vibrating manner. Furthermore, the feeding device 6 is disposed between the rotating carrier 4 and the feeding tray 5 for transferring the plurality of sensors 3 to be tested of the feeding tube 52 to the rotating carrier 4. The feeding device 6 of the embodiment includes a robot arm 61 and a suction head 62. The suction sensor 62 sucks the sensor 3 to be tested, and the robot arm 61 can transport the plurality of sensors 3 to be tested to the rotation load. The plurality of receiving slots 21 of the test socket 2 on the carrier base 41 of the disk 4 are disposed.
As shown in FIG. 9 and FIG. 10, it is a perspective view of a link type dynamic test machine and a rotating carrier of a preferred embodiment of the link type dynamic testing device of the present invention, and a partial perspective view of the test base vacuum adsorption test stand. The rotating carrier 4 is disposed on the base 7 and below the test base 15, and includes a plurality of carrier bases 41. The plurality of carrier bases 41 are annularly disposed on the rotating carrier 4 at equal intervals. The carrying base 41 of the present embodiment is four, and is arranged in an annular shape every 90 degrees. In addition, under the rotating carrier 4 of the embodiment and corresponding to the test base 15, a pneumatic cylinder 42 is fixed for supporting the test pin 41 of the test stand 2 and a test pin under the test base 15 The holder 151 uses a vacuum suction source to adsorb and fix the test stand 2, and then performs a swing test. The test pin holder 151 has a test cable 152 for outputting the test result.
As shown in FIG. 11 and FIG. 12, it is a plan view of a test seat and a plan view of a test socket accommodating groove according to a preferred embodiment of the link type dynamic testing device of the present invention. As shown in the figure, the test socket 2 of the present embodiment has four receiving slots 21 of the inductor 3, which are respectively 45 degrees from the swinging direction V of the link type dynamic testing machine 1, that is, by a single swinging direction V. , you can know the X, Y-axis acceleration Ax, Ay of the sensor 3, which can be exempted from the test in the two directions.
As shown in FIG. 13, which is a side view of a link type dynamic testing machine according to a preferred embodiment of the link type dynamic testing device of the present invention, the parallel four-link 14 of the testing machine 1 of the present embodiment is centered on the pivot 141. Rotation produces a centripetal acceleration Ar that can be tested for the gyroscope's sensor. Since the four-link 14 has a height difference H in the Z direction when swung, the acceleration of the Z-axis can also be measured, so The invention can simultaneously detect the acceleration values of the three axial directions.
FIG. 14 is a partial perspective view of a dispensing device according to a preferred embodiment of the linked rod dynamic testing device of the present invention. The embodiment has a dispensing device 8 which is composed of a mechanical arm 81, a suction head 82 and a minute. The drum 83 is composed of. After the sensor 3 is tested by the link type dynamic testing machine 1, it is rotated by 90 degrees to the position to be sucked by the rotating center line R via the rotating carrier 4, and moved to the top of the measuring sensor 3 by the mechanical arm 81, and goes down. The sensor 3 is taken up by the suction head 82, and placed in each sorting tank of the dispensing drum 83 according to the test result.
The above-mentioned embodiments are merely examples for convenience of description, and the scope of the claims is intended to be limited to the above embodiments.
1‧‧‧Dynamic testing machine
11‧‧‧Loading station
111‧‧‧Support block
12‧‧‧Active platform
13‧‧‧ driven platform
14‧‧‧ Connecting rod
141‧‧‧ pivot
142‧‧‧ pivot
143‧‧‧Slots
144‧‧‧ pivot
15‧‧‧Test base
17‧‧‧ Shock pad
18‧‧‧Abutment
181‧‧‧ grip

Claims (13)

  1. A link type dynamic testing machine comprises: a carrying platform having a supporting block; a shockproof pad fixed under the carrying platform; an active platform; a driven platform; a parallel four-link, each connecting rod Separately disposed on the support block by a pivot, the active platform and the driven platform are pivotally disposed on the parallel four links, and respectively located on opposite sides of the support block; a test base is disposed on the support base a driven platform; and a driving unit for driving the active platform to reciprocate, thereby causing the test base to reciprocate via the parallel four links.
  2. The link type dynamic testing machine according to claim 1, wherein the driving unit comprises at least one magnet, at least one electromagnet, a power amplifier and an oscilloscope, and the at least one magnet is fixed on the active platform. The at least one electromagnet is fixed to the carrying platform, and the power amplifier and the oscilloscope are electrically connected to the at least one electromagnet for controlling the magnetic poles of the at least one electromagnet.
  3. The link type dynamic testing machine according to claim 2, wherein the at least one magnet is a two magnet, and the at least one electromagnet is a two electromagnet.
  4. The link type dynamic testing machine of claim 1, wherein the active platform, the driven platform and the supporting block are arranged in parallel.
  5. The link type dynamic testing machine of claim 1, further comprising a base fixed to the underside of the shockproof pad, the two sides of the base having a grip to facilitate carrying the base.
  6. The link type dynamic testing machine of claim 1, wherein each of the links has a slot, and the pivot is slidable in the slot to adjust the active platform and the support block. spacing.
  7. The link type dynamic testing machine of claim 1, wherein the test base can accommodate a test seat, and the test set is provided with a test to be tested at a 45 degree angle to the test seat. To test the two axial acceleration values of the sensor to be tested.
  8. A link type dynamic testing device, comprising: a link type dynamic testing machine, fixed on a base, comprising a carrying platform having a supporting block, an active platform, and a driven platform provided with a test base a parallel four-link and a driving unit, wherein each of the parallel four-links is pivotally mounted on the support block by a pivot, and the active platform and the driven platform are fixed in the parallel four-connected On the rods, and respectively located on opposite sides of the support block, the driving unit can drive the active platform to reciprocate, thereby causing the test base to reciprocate via the parallel four links, and the carrier and the base are clamped a shock pad; a rotating carrier disposed on the base and below the test base, comprising a plurality of carrier bases; a feed tray fixed to the base and having a spiral guide; A feeding device is disposed between the rotating carrier and the feeding tray for transferring the plurality of sensors to be tested of the feeding tray to the rotating carrier.
  9. The link type dynamic test equipment of claim 8, wherein the driving unit comprises at least one magnet, at least one electromagnet, a power amplifier and an oscilloscope, and the at least one magnet is fixed on the active platform. The at least one electromagnet is fixed to the carrying platform, and the power amplifier and the oscilloscope are electrically connected to the at least one electromagnet for controlling the magnetic poles of the at least one electromagnet.
  10. The link type dynamic test equipment of claim 9, wherein the at least one magnet is a two magnet, and the at least one electromagnet is a two electromagnet.
  11. The link type dynamic test equipment of claim 8, wherein each of the links has a slot, and the pivot can slide in the slot to adjust the active platform and the support block. spacing.
  12. The link type dynamic test equipment of claim 8, wherein a bottom of the rotating carrier and corresponding to the test base is provided with a pneumatic cylinder for lifting the load bearing base having a test seat.
  13. The link type dynamic test equipment of claim 8, wherein the plurality of load bearing bases are annular and equally spaced on the rotating carrier.
TW102104186A 2013-02-04 2013-02-04 A connecting rods dynamic testing machine and a testing equipment using the same TWI479154B (en)

Priority Applications (1)

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TW102104186A TWI479154B (en) 2013-02-04 2013-02-04 A connecting rods dynamic testing machine and a testing equipment using the same

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Application Number Priority Date Filing Date Title
TW102104186A TWI479154B (en) 2013-02-04 2013-02-04 A connecting rods dynamic testing machine and a testing equipment using the same
CN201310055759.5A CN103968875B (en) 2013-02-04 2013-02-21 Link-type box dynamic tester and use the dynamic test equipment of this test machine

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TWI479154B true TWI479154B (en) 2015-04-01

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Publication number Priority date Publication date Assignee Title
CN105841731B (en) * 2015-01-13 2018-04-06 京元电子股份有限公司 Tool prevents the box dynamic tester and its test equipment of flat cable bending

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TW201128194A (en) * 2010-02-12 2011-08-16 King Yuan Electronics Co Ltd Rotary three-dimensional dynamic testing equipment
CN202267474U (en) * 2011-09-06 2012-06-06 李瑜芳 Angle sensor characteristic test rotation platform

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US6940582B1 (en) * 1999-09-20 2005-09-06 Nikon Corporation Parallel link mechanism, exposure system and method of manufacturing the same, and method of manufacturing devices
TW201128194A (en) * 2010-02-12 2011-08-16 King Yuan Electronics Co Ltd Rotary three-dimensional dynamic testing equipment
CN202267474U (en) * 2011-09-06 2012-06-06 李瑜芳 Angle sensor characteristic test rotation platform

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TW201321756A (en) 2013-06-01
CN103968875B (en) 2016-06-15
CN103968875A (en) 2014-08-06

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