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WO2017215120A1 - Instrument de test de chute - Google Patents

Instrument de test de chute Download PDF

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Publication number
WO2017215120A1
WO2017215120A1 PCT/CN2016/096699 CN2016096699W WO2017215120A1 WO 2017215120 A1 WO2017215120 A1 WO 2017215120A1 CN 2016096699 W CN2016096699 W CN 2016096699W WO 2017215120 A1 WO2017215120 A1 WO 2017215120A1
Authority
WO
WIPO (PCT)
Prior art keywords
supply line
lifting mechanism
electronic control
drop test
line
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/096699
Other languages
English (en)
Chinese (zh)
Inventor
昝清龙
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.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Publication of WO2017215120A1 publication Critical patent/WO2017215120A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight

Definitions

  • the present application relates to, but is not limited to, the field of communication device technology, and more particularly to a drop test instrument.
  • the current cost competition of mobile phone terminals is fierce, and the quality requirements of the customer's head are getting higher and higher.
  • the drop test of the machine head on the line becomes a necessary position for each project.
  • the drop test can be used for the assembly of the virtual welding and the poor fastening of the connector. Badly enforced effective constraints.
  • the drop test prevents the bad hidden joints from flowing into the hands of the customers.
  • the defective products are laid down in advance, the defective products are found in the back end of the production, and the dismantling and repairing is carried out, resulting in serious waste of labor costs and material costs, and effectively improved. Product quality while reducing maintenance costs.
  • drop platforms There are two types of drop platforms currently used in the industry.
  • the drop box is assembled with transparent acrylic or ESD bakelite. The drop height is fixed. The hand is taken at the top of the drop box and the hand is dropped.
  • the line drop method, the machine head transport with the assembly line, gradually to the end of the assembly line, falling, the state of the nose can not be guaranteed, it is easy to occur the phenomenon of rollover, skew, etc., the state of the fall is disordered, on the other hand, some of the heads need Two drops, the assembly line fell, the nose fell and the manual returned the machine head back to the assembly line to re-permit two drops, the operation time is low, the number of falls is complicated, and it is easy to cause some noses to fall.
  • the embodiment of the invention provides a drop test instrument, which can ensure the nose drop state, eliminate the drop height error, control the number of drops, and realize multiple automatic drops.
  • Embodiments of the present invention provide a drop test apparatus, including: an electrical control box including a connected air supply line and an electronic control line, the upper surface of the electrical control box is a test platform, and the electronic control line can control the The gas supply line is opened and closed; a lifting mechanism is mounted on the electrical control box and connected to the electronic control circuit and/or the gas supply line, and the electric control box can control the lifting mechanism to perform And a lifting device; and an adsorption device mounted on the lifting mechanism and connected to the gas supply line, wherein the lifting mechanism drives the adsorption device to move, and the gas supply line can be controlled in the electronic control circuit The adsorption device is controlled to adsorb an object at the adsorption position and release the object at the test position.
  • the lifting mechanism is a motor rack and pinion transmission structure or a motor screw nut transmission structure; the lifting mechanism is electrically connected to the electronic control circuit, and the electronic control circuit further controls the lifting mechanism to perform lifting operation .
  • the lifting mechanism includes a cylinder; the cylinder is also connected to the air supply line, and the air supply line further controls the lifting mechanism to perform a lifting operation under the control of the electronic control line.
  • the gas supply line includes: a quick connect plug connected to the air supply source; the air pipe has one end connected to the quick connect plug, and the other end connected to the first electromagnetic control valve and the second electromagnetic control valve respectively through the three-way; a first electromagnetic control valve, which is further connected to the vacuum generator and the adsorption device; the second electromagnetic control valve is further connected to the cylinder; the three-way; and the vacuum generator; wherein the first An electromagnetic control valve and the second electromagnetic control valve are also connected to the electronic control circuit, the electronic control circuit is arranged to control the first electromagnetic control valve reversing and the second electromagnetic control valve reversing .
  • the gas supply line further comprises: a manual switch located between the tee and the quick connect plug and mounted on the air pipe.
  • the lifting mechanism further includes: a guide rail, wherein the electric control box is correspondingly provided with a rail slot, the rail is correspondingly installed in the rail slot, and the adsorption device is movably fixed on the rail And a moving plate between the two guide rails and connecting the two rails together, an upper end of the cylinder is connected to the moving plate, and a lower end is fixed on the electric control box, the gas The cylinder can move the moving plate assembled together, the guide rail and the adsorption device to move together.
  • the lifting mechanism further includes: two position sensors connected to the electronic control circuit, are mounted on the electrical control box, and respectively corresponding to the adsorption position and the test position setting, where the cylinder is set There is a signal source for use with the position sensor.
  • the drop test apparatus further includes: a scale fixed to the electrical control box and disposed corresponding to the rail, the adsorption device adjusting a position on the rail according to the scale.
  • the adsorption device comprises: a mounting plate; a suction cup connected to the gas supply line, fixed on a lower surface of the mounting plate; and a detecting sensor connected to the electronic control circuit, fixed at The mounting plate and corresponding to the suction cup are disposed, and the detecting sensor is configured to detect whether an object is placed at the adsorption position.
  • a front switch and a power switch connected to the electronic control circuit are disposed on a front surface of the electrical control box, and a rear surface of the electrical control box is disposed on the rear surface of the electrical control box.
  • the drop test instrument provided by the embodiment of the invention can ensure the nose drop state, eliminate the drop height error, control the number of drops, and achieve multiple automatic drops.
  • FIG. 1 is a schematic structural view of a drop test apparatus according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of another drop angle of the drop test apparatus shown in FIG. 1;
  • FIG. 3 is a schematic structural view of a gas supply line in the drop test apparatus shown in FIG. 1.
  • the drop test apparatus provided by the embodiment of the present invention, as shown in FIG. 1 and FIG. 2, includes: an electric control box 1 including a connected gas supply line and an electric control line, and the upper surface of the electric control box 1 is a test platform, and the electric The control circuit can control the opening and closing of the gas supply line; the lifting mechanism 2 is installed on the electric control box 1 and connected with the electric control line and/or the gas supply line, and the electric control box 1 can control the lifting mechanism 2 to perform the lifting movement; And the adsorption device 3 located above the electrical control box 1 is mounted on the lifting mechanism 2 and connected to the gas supply line, and the lifting mechanism 2 drives the adsorption device 3 to move up and down, and the gas supply line can be controlled under the control of the electronic control line. The device 3 adsorbs the object at the adsorption site and releases the object at the test position.
  • the drop test instrument provided by the embodiment of the invention can ensure the nose drop state, eliminate the drop height error, control the number of drops, and realize multiple automatic drops.
  • the lifting mechanism 2 is a motor rack and pinion transmission structure or a motor screw nut transmission structure, and the lifting mechanism 2 is connected to the electronic control circuit.
  • the electric control line controls the lifting mechanism 2 to perform the lifting operation (the gas supply line controls the adsorption device 3 to adsorb the object at the adsorption position and release the object at the test position under the control of the electronic control line).
  • the lifting mechanism 2 includes a cylinder 21; the cylinder 21 is electrically connected to the air supply line, and the air supply line controls the lifting mechanism 2 to perform lifting operation under the control of the electronic control line (air supply)
  • the line also controls the adsorption device 3 at the adsorption position under the control of the electronic control line. Body, release the object at the test position).
  • the lifting mechanism 2 further includes: two rails 22 arranged in a longitudinal direction, longitudinally disposed, and two rail grooves are correspondingly disposed on the rear surface of the electrical control box 1, and the two rails 22 are correspondingly installed in the two rail slots. And a moving plate 23 between the two guide rails 22 and connecting the upper ends of the two guide rails 22, the upper end of the cylinder 21 is connected to the moving plate 23, and the lower end is fixed on the rear surface of the electric control box 1; wherein, the adsorption device 3 There are two, and two adsorption devices 3 are movably fixed on the two guide rails 22 one by one.
  • the adsorption device 3, the guide rail 22, and the guide rail slot may also be provided with one, three, four, etc., and the object of the present application may also be achieved.
  • the purpose of the application is not deviated from the design idea of the present invention, and will not be described herein. It is within the scope of protection of this application.
  • the drop test apparatus further includes: a scale 5, and the left edge, the right edge, the rear edge, and the front and rear center lines of the upper surface of the electrical control box 1 are provided with connected vertical plates 11 ,
  • the vertical plates 11 enclose two left and right test areas 12 on the upper surface of the electrical control box 1, and the scale 5 is erected on the front surface of the vertical plate 11 at the rear edge, and the adsorption device 3 is adjusted on the guide rail 22 according to the scale 5.
  • Position ie: determine the drop height).
  • the lifting mechanism 2 further includes: two position sensors 24 connected to the electronic control circuit, mounted on the rear surface of the electric control box 1, and corresponding to the adsorption position and the test position respectively.
  • a signal transmission source is disposed on the cylinder 21.
  • the cylinder 21 is provided with a signal transmission source for use with the two position sensors 24, and the two position sensors 24 control the cylinder stop and reverse movement by sensing the position of the signal transmission source;
  • the signal emission source reaches the position of the position sensor 24 located above, and the position sensor 24 located above can detect the signal emitted by the signal source, control the cylinder to stop, and the adsorption device releases the object for dropping. Then, the cylinder moves back to the adsorption position.
  • the signal source reaches the position of the position sensor 24 located below, and the position sensor 24 located below can detect the signal emitted by the signal source and control the cylinder to stop.
  • the adsorption device adsorbs the object and moves in the opposite direction.
  • the two position sensors 24 are magnetic sensors, and the signal source is a magnetic member such as a magnetic ring, a magnetic block or the like.
  • the lifting mechanism 2 drives the adsorption device 3 to move down to the adsorption position (the magnetic field located below)
  • the inductor senses the magnetic member
  • the gas supply line controls the adsorption device 3 to adsorb the head
  • the lifting mechanism 2 drives the adsorption device 3 to move up to the test position (the magnetic sensor at the upper side senses the magnetic member), and the gas supply line is controlled again.
  • the adsorption device is placed on the head to allow the head to fall freely for testing; this is repeated.
  • the adsorption device 3 comprises: a mounting plate 31; a suction cup 32 connected to the gas supply line, fixed on the lower surface of the mounting plate 31; and connected to the electronic control circuit
  • the detecting sensor 33 is located on the rear side of the suction cup 32 and is fixed to the lower surface of the mounting plate 31.
  • the detecting sensor 33 is optionally fixed to the mounting board 31 by the fixing block 34; alternatively, the detecting sensor 33 is a photoelectric switch.
  • the adsorption device 3 moves downward to the adsorption position, and the detection sensor 33 detects whether there is an object at the suction cup 32 in front of it, and if so, the supply line controls the suction cup to adsorb the object (the head), and if not, the adsorption operation is not performed; the adsorption device 3 When moving up to the test position, the detecting sensor 33 detects whether the suction cup in front of it sucks an object, and if so, the air supply line controls the suction cup to release the object, and if not, the release operation is not performed.
  • the air supply line includes: a quick connect plug 41 connected to the air supply source; the air pipe has one end connected to the quick connect plug 41, and the other end connected to the first electromagnetic control valve 43 and the third through the three-way 42 respectively a second electromagnetic control valve 44; the first electromagnetic control valve 43, is also connected to the vacuum generator 45 and the adsorption device 3 (also connected by a three-way); the second electromagnetic control valve 44, also connected to the cylinder 21; tee 42; The vacuum generator 45; wherein the first electromagnetic control valve 43 and the second electromagnetic control valve 44 are both connected to the electronic control circuit, and the electronic control circuit can control the first electromagnetic control valve 43 and the second electromagnetic control valve 44 to perform commutation.
  • the gas supply line further comprises: a manual switch 46 located between the tee 42 and the quick connect plug 41 and mounted on the air pipe, configured to control the on and off of the entire gas supply line, and can be repaired or replaced first
  • the manual switch is closed when the solenoid control valve 43 and/or the second solenoid control valve 44 are closed.
  • the front surface of the electrical control box 1 is provided with a start switch 13 and a power switch 14 connected to the electronic control line, and the rear surface of the electric control box 1 is provided with electricity.
  • the power supply port 15 and the power indicator lamp 16 connected to the control line, and the air pipe port 17 connected to the air supply line are provided (the quick connect plug 41 is mounted at the air pipe port 17).
  • the drop test apparatus of the above embodiment is a one-to-two method (of course, it can also be designed as a drag-and-drop method, etc., and will not be described herein, but should fall within the protection scope of the present application) to perform a drop test. Adjusting the height of the mounting plate 31 according to the scale 5, and ensuring that the heights of the two mounting plates 31 are all required to set the drop height; manually pressing the start switch 13, triggering the cylinder 21 to move downward through the guide rail 22 to drive the suction cup 32 to adsorb the head (placed in At the test area, during the driving process of the cylinder 21, the magnetic ring inside the cylinder and the suction cup 32 move down synchronously.
  • the cylinder stops moving, and the suction cup 32 falls to the top of the head.
  • the position sensor 24 located at the lower portion senses the magnetic ring and triggers the detecting sensor 33 on the mounting plate to recognize whether the head is present. If there is, the detecting sensor 33 triggers the first electromagnetic reversing valve to make the suction cup 32 under the action of the vacuum generator. Inhaling, the head is smoothly adsorbed on the suction cup 32 (otherwise, the cylinder is returned to the initial position), and then the cylinder 21 is moved up by the guide rail 22 to raise the suction cup 32 to the drop height. During the ascent, the magnetic ring inside the cylinder and The suction cup 32 moves up together.
  • the position sensor 24 located at the upper portion senses the magnetic ring, and the cylinder stops.
  • the electronic control circuit (such as PLC) controls the cylinder delay for a few seconds (ie: the time when the nose drops to the falling platform) drives the cylinder
  • PLC electronic control line
  • the bottom of the electrical control box 1 has legs 6 , and the wire body of the electrical control box 1 is assembled by six wall plates 7 , and the assembly manner is preferably a screw connection.
  • the drop test instrument provided by the embodiment of the invention can ensure the nose drop state, eliminate the drop height error, control the number of drops, and achieve multiple automatic drops.
  • connection may be a fixed connection or a detachable connection, or Connected in one piece; they can be connected directly or indirectly through an intermediate medium.
  • connection may be a fixed connection or a detachable connection, or Connected in one piece; they can be connected directly or indirectly through an intermediate medium.
  • the drop test instrument of the above technical solution can ensure the nose drop state, eliminate the drop height error, control the number of drops, and achieve multiple automatic drops.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

La présente invention concerne un instrument de test de chute, comprenant: une boîte de commande électrique (1) qui comprend une conduite d'alimentation en gaz et un circuit de commande électrique reliés l'un à l'autre, la surface supérieure de la boîte de commande électrique (1) étant une plate-forme de test et le circuit de commande électrique pouvant commander l'ouverture et la fermeture de la conduite d'alimentation en gaz; un mécanisme de levage (2) qui est monté sur la boîte de commande électrique (1) et qui est relié au circuit de commande électrique ou à la conduite d'alimentation en gaz, la boîte de commande électrique (1) pouvant commander le mécanisme de levage (2) pour effectuer une opération de levage; et un dispositif d'adsorption (3) qui est disposé au-dessus de la boîte de commande électrique (1), monté sur le mécanisme de levage (2) et relié à la conduite d'alimentation en gaz, le mécanisme de levage (2) entraînant le dispositif d'adsorption (3) pour le déplacer vers le haut et vers le bas, sous la commande du circuit de commande électrique, et la conduite d'alimentation en gaz pouvant commander le dispositif d'adsorption (3) afin d'aspirer un objet à une position d'adsorption et de le relâcher à une position de test.
PCT/CN2016/096699 2016-06-12 2016-08-25 Instrument de test de chute Ceased WO2017215120A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620564367.0 2016-06-12
CN201620564367.0U CN205808661U (zh) 2016-06-12 2016-06-12 跌落测试仪器

Publications (1)

Publication Number Publication Date
WO2017215120A1 true WO2017215120A1 (fr) 2017-12-21

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PCT/CN2016/096699 Ceased WO2017215120A1 (fr) 2016-06-12 2016-08-25 Instrument de test de chute

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CN (1) CN205808661U (fr)
WO (1) WO2017215120A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030058A (zh) * 2018-08-31 2018-12-18 江苏创源电子有限公司 一种智能吸尘器头测试设备
CN110208106A (zh) * 2019-07-03 2019-09-06 苏州工业职业技术学院 一种汽车后视镜拉脱力测试设备
CN110440768A (zh) * 2019-08-20 2019-11-12 江苏帝浦拓普智能装备有限公司 一种用于水平仪测试的激光自动检测设备
CN111623948A (zh) * 2020-06-30 2020-09-04 淮安杰鼎唐科技有限公司 跌落测试机
CN112129781A (zh) * 2020-10-16 2020-12-25 重庆中烟工业有限责任公司 一种卷烟用条装盒全图案检测装置
CN112729746A (zh) * 2021-01-26 2021-04-30 叶建辉 一种智能制造玻璃随机跌落测试装置
CN115752988A (zh) * 2022-10-28 2023-03-07 赣州立德电子有限公司 一种用于触摸屏掉落的测试装置
CN116412987A (zh) * 2023-02-15 2023-07-11 佛山市峡谷电子科技有限公司 一种电子元器件用抗摔性检测方法

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CN107515092A (zh) * 2017-09-20 2017-12-26 苏州聚力电机有限公司 一种防乱窜微跌落测试装置
CN109506871B (zh) * 2018-11-16 2021-03-23 Oppo（重庆）智能科技有限公司 跌落测试设备和跌落测试方法
CN111257102B (zh) * 2020-01-21 2022-05-13 鞍钢股份有限公司 一种焦炭落下强度试验装置及方法
CN111157213A (zh) * 2020-02-06 2020-05-15 武汉大学 一种微电子产品跌落损伤实时监测装置及方法
CN113008504B (zh) * 2021-04-19 2023-06-20 重庆电子工程职业学院 一种用于计算机硬件的抗摔性能检测装置
CN115550494A (zh) * 2022-10-19 2022-12-30 颍上隆泰光电科技有限公司 一种手机触摸屏的跌落测试机
CN118533415B (zh) * 2024-07-22 2024-12-20 江苏蒙恩涵能源科技有限公司 一种轴向电机加工用跌落测试装置

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CN203965118U (zh) * 2014-03-31 2014-11-26 广东产品质量监督检验研究院 跌落试验台
CN205192718U (zh) * 2015-10-29 2016-04-27 深圳市铭宇仪器设备有限公司 一种微跌落试验机

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WO2000077487A1 (fr) * 1999-06-14 2000-12-21 National University Of Singapore Testeur de produits de consommation portables ayant subi un choc
US20040200264A1 (en) * 2003-04-08 2004-10-14 Chen Shia Chung Detecting method of a drop test and the device thereof
CN2692655Y (zh) * 2003-12-04 2005-04-13 朱建忠 跌落试验机
CN101149330A (zh) * 2006-09-22 2008-03-26 鸿富锦精密工业（深圳）有限公司 跌落测试系统及测试方法
CN201464146U (zh) * 2009-07-28 2010-05-12 东莞市华谊创鸿试验设备有限公司 带加速度测量自动手机跌落试验机
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030058A (zh) * 2018-08-31 2018-12-18 江苏创源电子有限公司 一种智能吸尘器头测试设备
CN109030058B (zh) * 2018-08-31 2024-02-13 江苏创源电子有限公司 一种智能吸尘器头测试设备
CN110208106A (zh) * 2019-07-03 2019-09-06 苏州工业职业技术学院 一种汽车后视镜拉脱力测试设备
CN110440768A (zh) * 2019-08-20 2019-11-12 江苏帝浦拓普智能装备有限公司 一种用于水平仪测试的激光自动检测设备
CN110440768B (zh) * 2019-08-20 2023-12-01 江苏帝浦拓普智能装备有限公司 一种用于水平仪测试的激光自动检测设备
CN111623948A (zh) * 2020-06-30 2020-09-04 淮安杰鼎唐科技有限公司 跌落测试机
CN112129781A (zh) * 2020-10-16 2020-12-25 重庆中烟工业有限责任公司 一种卷烟用条装盒全图案检测装置
CN112129781B (zh) * 2020-10-16 2025-10-17 重庆中烟工业有限责任公司 一种卷烟用条装盒全图案检测装置
CN112729746A (zh) * 2021-01-26 2021-04-30 叶建辉 一种智能制造玻璃随机跌落测试装置
CN115752988A (zh) * 2022-10-28 2023-03-07 赣州立德电子有限公司 一种用于触摸屏掉落的测试装置
CN116412987A (zh) * 2023-02-15 2023-07-11 佛山市峡谷电子科技有限公司 一种电子元器件用抗摔性检测方法
CN116412987B (zh) * 2023-02-15 2023-12-15 深圳市拓锋半导体科技有限公司 一种电子元器件用抗摔性检测方法

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