CN114608780A - Falling ball testing device - Google Patents
Falling ball testing device Download PDFInfo
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- CN114608780A CN114608780A CN202210129090.9A CN202210129090A CN114608780A CN 114608780 A CN114608780 A CN 114608780A CN 202210129090 A CN202210129090 A CN 202210129090A CN 114608780 A CN114608780 A CN 114608780A
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- ball
- ball receiving
- receiving disc
- base
- drop
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 description 10
- 230000003068 static effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- 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
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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)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model provides a falling ball testing device, the on-line screen storage device comprises a base, the ball piece that falls, ball receiving disc and photoelectric sensor, be formed with the test area on the base, ball piece that falls sets up and is used for releasing the spheroid in test area top so that the spheroid falls towards the test area free, ball receiving disc sets up on the base, and ball receiving disc is connected with adjustable frame, adjustable frame is used for making ball receiving disc adjustable between an initial position and a ball receiving position, the perforation has been seted up on the ball receiving disc, when ball receiving disc is in the initial position, a part of the spheroid of free fall to test area can stretch out perforation butt on the determinand, when ball receiving disc is in ball receiving position, the spheroid can be accepted by ball receiving disc and has the interval with the determinand, photoelectric sensor is used for emitting light towards the route, and export trigger signal when light on the route is sheltered by the second time in the test process of once falling ball, adjustable frame is based on triggering signal drives ball receiving disc and moves to ball receiving position from the initial position again in order to avoid the spheroid again Is abutted against the object to be measured.
Description
Technical Field
The disclosure relates to the technical field of electronic equipment manufacturing, in particular to a falling ball testing device.
Background
In the development process of electronic equipment, a screen, a battery cover and the like need to be subjected to ball drop tests, on one hand, the ball drop tests are used for testing the strength reliability of raw materials for preparing the electronic equipment and screening out unqualified raw materials, on the other hand, the protection degree of all parts in the electronic equipment on a complete machine is tested, and the situations that the functions of the complete machine are abnormal due to pits on a shell after the ball drop tests are avoided. In order to ensure the reliability of the whole machine, the ball drop testing device is an indispensable device in the manufacturing process of electronic equipment, and the strength of the whole machine is checked through ball drop testing, so that the quality of the whole machine is ensured to be qualified, and the after-sale problem is reduced.
In the present ball test device that falls, mostly utilize hemispherical metal covering, the last electro-magnet of installing of metal covering, the metal ball adsorbs on the electro-magnet, and the experiment starts, and the electro-magnet outage, the metal ball falls down, pounces to electronic equipment, catches with both hands in the twinkling of an eye that goes on the metal ball bounce-back to it is inaccurate to cause the test result that secondary damage to electronic equipment to avoid the metal ball. Because the metal ball is heavier, the artifical ball that connects has the risk of being injured by a crashing object, has again, and the artifical ball that connects also has the condition that can not connect the ball, leads to causing secondary damage to electronic equipment to need retest, extravagant a large amount of manpower and materials.
Disclosure of Invention
In view of this, according to the present disclosure, a falling ball testing device is provided, and the technical solution is as follows.
A ball drop test apparatus comprising:
the device comprises a base, a detection unit and a control unit, wherein a test area for placing an object to be detected is formed on the base;
a ball drop disposed above the testing area for releasing a ball to free-fall along a path toward the testing area;
the ball receiving disc is arranged on the base and is connected with an adjustable frame, the adjustable frame is used for enabling the ball receiving disc to be adjustable between an initial position and a ball receiving position, a through hole is formed in the ball receiving disc, when the ball receiving disc is located at the initial position, one part of the ball body which freely falls to the test area can extend out of the through hole to abut against the object to be tested, and when the ball receiving disc is located at the ball receiving position, the ball body can be received by the ball receiving disc and is spaced from the object to be tested; and
the photoelectric sensor is used for emitting light rays towards the path and outputting a trigger signal when the light rays on the path are shielded for the second time in the process of one ball falling test;
the adjustable frame drives the ball receiving disc to move from the initial position to the ball receiving position based on the trigger signal so as to prevent the ball from abutting against the object to be detected again.
In one embodiment, the adjustable frame comprises:
a frame having a first end and a second end; and
and each driving part is provided with an axial telescopic piece, the axial telescopic pieces are extended based on the trigger signals, and the axial telescopic pieces of the two driving parts are respectively connected to the first end and the second end.
In one embodiment, the driving member is an air cylinder, and the air cylinder includes a cylinder body, and the cylinder body is adjustably disposed on the base.
In one embodiment, a support is disposed on the base, and the ball dropping member is adjustably disposed on the support.
In an implementation manner, when a portion of the sphere abuts against the object to be measured, a position where one end of the sphere away from the object to be measured is defined as a static ball falling position, and the photoelectric sensor has a light outlet, and the light outlet is higher than the static ball falling position.
In one embodiment, the base is provided with a mounting post, and the photoelectric sensor is adjustably arranged on the mounting post.
In one embodiment, the distance from the light outlet to the static ball falling position is 2 mm to 5 mm.
In one embodiment, the photosensor is a laser counter.
The present disclosure has the following beneficial effects: the photoelectric sensor is combined with the adjustable frame, the light emitted by the photoelectric sensor is shielded once in the free falling process of the ball, then the ball is abutted to the object to be detected through the through hole of the ball receiving disc, the ball rebounds, the light emitted by the photoelectric sensor is shielded for the second time, the photoelectric sensor outputs a trigger signal, the adjustable frame moves to the ball receiving position to receive the ball, the object to be detected is prevented from being hit secondarily by the ball, the risk that the ball is hit manually is avoided, and the safety coefficient is improved; and the problem that the ball cannot be received by manual ball receiving is avoided, and the detection reliability is improved.
Advantages and features of the present disclosure are described in detail below with reference to the accompanying drawings.
Drawings
The following drawings of the present disclosure are included to provide an understanding of the present disclosure. The drawings illustrate embodiments of the disclosure and, together with the description, serve to explain the principles of the disclosure. In the drawings, there is shown in the drawings,
fig. 1 is a perspective view of a ball drop test apparatus according to an exemplary embodiment of the present disclosure;
FIG. 2 is a front view of a ball drop test apparatus according to an exemplary embodiment of the present disclosure;
fig. 3 is a schematic view of a ball pan and a frame according to an exemplary embodiment of the present disclosure.
The reference numbers in the figures illustrate:
10. a base; 11. a test area; 12. a support frame; 121. a longitudinal frame body; 122. a transverse frame body; 13. mounting a column; 20. a ball falling part; 21. a sphere; 2101. a stationary ball drop position; 30. a ball receiving disc; 31. perforating; 32. an adjustable frame; 321. a frame body; 322. a drive member; 40. a photosensor; 41. a light outlet; 200. an analyte.
Detailed Description
In the following description, numerous details are provided to provide a thorough understanding of the present disclosure. One skilled in the art, however, will understand that the following description merely illustrates alternative embodiments of the disclosure and that the disclosure may be practiced without one or more of these details. In addition, some features that are well known in the art have not been described in detail to avoid obscuring the present disclosure.
As shown in fig. 1 to 3, the ball drop test device includes a base 10, a ball drop 20, a ball receiving plate 30, and a photoelectric sensor 40.
The base 10 is formed with a testing area 11 for placing the object 200, when performing the ball drop test, the object 200 is placed in the testing area 11, and the object 200 may be a notebook computer, a tablet computer, or the like.
A ball drop 20 is provided above the testing area 11 for releasing the ball 21 to allow the ball 21 to fall freely along a path towards the testing area 11. The ball dropping part 20 can be a hemispherical metal cover, the metal cover is provided with an electromagnet, the ball body can be made of metal materials, the ball body 21 is adsorbed on the electromagnet, and when a ball dropping experiment is carried out, the electromagnet is controlled to be powered off, and the metal ball body 21 can fall freely. In order to adjust the initial position of the ball dropping element 20 conveniently, a support frame 12 is arranged on the base 10, the ball dropping element 20 is adjustably arranged on the support frame 12, specifically, the support frame 12 may include a longitudinal frame body 121 and a transverse frame body 122, the longitudinal frame body 121 and the transverse frame body 122 are connected with each other to form an L shape, one end of the longitudinal frame body 121 far away from the transverse frame body 122 is fixed on the base 10, the ball dropping element 20 is arranged on the transverse frame body 122 through a connecting rod, and the connecting rod may be connected with the transverse frame body 122 through an adjusting nut.
The ball receiving plate 30 is disposed on the base 10, the ball receiving plate 30 is connected to an adjustable frame 32, the adjustable frame 32 is used for enabling the ball receiving plate 30 to be adjustable between an initial position and a ball receiving position, a through hole 31 is formed in the ball receiving plate 30, when the ball receiving plate 30 is at the initial position, a part of the ball 21 falling freely to the test area 11 can extend out of the through hole 31 to abut on the object 200 to be tested (as shown in fig. 2, the ball receiving plate 30 is at the initial position at this time), and when the ball receiving plate 30 is at the ball receiving position, the ball 21 can be received by the ball receiving plate 30 and has a gap with the object 200 to be tested. The catch basin 30 is hemispherical in shape and it will be appreciated that, due to the need to receive the ball 21, the catch basin 30 is located directly below the ball drop element 20, i.e. in the path of the ball 21.
The photoelectric sensor 40 is used for emitting light towards the path, and outputting a trigger signal when the light on the path is shielded for the second time in the process of one ball drop test. The adjustable frame 32 drives the ball receiving plate 30 to move from the initial position to the ball receiving position based on the trigger signal to prevent the ball 21 from abutting against the object 200 again.
According to the falling ball measuring and setting device, the photoelectric sensor 40 is combined with the adjustable frame 32, the ball body 21 shields light emitted by the photoelectric sensor 40 for the first time in the free falling process, then the ball body 21 is abutted to the object 200 to be measured through the through hole 31 of the ball receiving disc 30, the ball body 21 rebounds, the light emitted by the photoelectric sensor 40 is shielded for the second time, the photoelectric sensor 40 outputs a trigger signal, the adjustable frame 32 moves to the ball receiving position to receive the ball body 21, the object 200 to be measured is prevented from being hit by the ball body 21 for the second time, the risk that the ball is manually received and damaged by hitting is avoided, and the safety coefficient is improved; and the problem that the ball cannot be received by manual ball receiving is avoided, and the detection reliability is improved.
In order to facilitate the adjustment of the ball receiving plate 30 between the initial position and the ball receiving position, the adjustable frame 32 includes a frame body 321 and two driving members 322, the frame body 321 has a first end and a second end, each driving member 322 has an axial telescopic member, the axial telescopic members extend based on the triggering signal, and the axial telescopic members of the two driving members 322 are respectively connected to the first end and the second end. As shown in fig. 3, the frame body 321 and the ball receiving plate 30 may be integrally formed, and in an embodiment not shown, the frame body 321 and the ball receiving plate 30 may also be integrally connected by a screw connection method or a welding method.
In one embodiment of the present disclosure, the driving member 322 is an air cylinder, and the air cylinder includes a cylinder body, which is adjustably disposed on the base 10, and in particular, the cylinder body can be disposed on the base 10 by an adjusting nut, thereby facilitating the adjustment of the initial position of the ball receiving plate 30. In another embodiment of the present disclosure, the driving member 322 may also be a motor.
In order to ensure the reliability of detection, when a part of the spherical body 21 abuts on the object 200, the position where one end of the spherical body 21 away from the object 200 is defined as a static ball falling position 2101, the photoelectric sensor 40 has a light outlet 41, and the light outlet 41 is disposed higher than the static ball falling position 2101. As shown in fig. 2, the distance H of the light outlet 41 above the static ball-falling position 2101 may be 2 mm, 3 mm, 4 mm, 5 mm, etc., so as to ensure that the ball 21 triggers the photo-sensor 40 during the bouncing process to make the photo-sensor 40 send out a trigger signal.
In order to facilitate the positioning of the photoelectric sensor 40, the base 10 is provided with a mounting post 13, the photoelectric sensor 40 is adjustably mounted on the mounting post 13, for example, the photoelectric sensor 40 can be mounted on the mounting post 13 by an adjusting nut, so as to adjust the position of the photoelectric sensor 40.
In the embodiment of the disclosure, the photoelectric sensor 40 is a laser counter, when a ball drop experiment is performed, the electromagnet is powered off, the ball 21 falls freely, the laser counter is triggered in the falling process, the laser counter counts "1", then the ball 21 is hit on the object 200 to be detected (such as a notebook computer) through the through hole 31 on the ball receiving disc 30, the ball 21 rebounds to trigger the laser counter, the laser counter counts "2", at this time, a trigger signal is output, the driving member 322 is started to drive the ball receiving disc 30 to move to receive the ball 21, and the object 200 to be detected is prevented from being hit by the ball 21 for a second time.
In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the orientation terms is generally based on the orientation or positional relationship shown in the drawings, and is for convenience only to facilitate the description of the present disclosure and to simplify the description, and in the case of not having been stated to the contrary, these orientation terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be taken as limiting the scope of the present disclosure; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be positioned at various other angles (e.g., rotated 90 degrees or other angles), all of which are intended to be encompassed herein.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
The present disclosure has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that many variations and modifications may be made in light of the teaching of the present disclosure, all of which fall within the scope of the claimed disclosure. The scope of the disclosure is defined by the appended claims and equivalents thereof.
Claims (8)
1. A ball drop test apparatus, comprising:
the device comprises a base (10), wherein a test area (11) for placing an object to be tested (200) is formed on the base (10);
a drop element (20), said drop element (20) being disposed above said test area (11) for releasing a ball (21) to allow the ball (21) to freely fall along a path towards said test area (11);
the ball receiving disc (30) is arranged on the base (10), the ball receiving disc (30) is connected with an adjustable frame (32), the adjustable frame (32) is used for enabling the ball receiving disc (30) to be adjustable between an initial position and a ball receiving position, a through hole (31) is formed in the ball receiving disc (30), when the ball receiving disc (30) is located at the initial position, one part of the ball body (21) falling to the testing area (11) freely can extend out of the through hole (31) to abut against the object to be tested (200), and when the ball receiving disc (30) is located at the ball receiving position, the ball body (21) can be received by the ball receiving disc (30) and has a space with the object to be tested (200); and
the photoelectric sensor (40) is used for emitting light rays towards the path and outputting a trigger signal when the light rays on the path are shielded for the second time in the process of one ball drop test;
the adjustable frame (32) drives the ball receiving disc (30) to move from the initial position to the ball receiving position based on the trigger signal so as to prevent the ball body (21) from abutting against the object to be detected (200) again.
2. The ball drop test device of claim 1, wherein the adjustable shelf (32) body comprises:
a frame (321), the frame (321) having a first end and a second end; and
two driving pieces (322), each driving piece (322) has an axial extensible member, the axial extensible member is based on the trigger signal extension, two the axial extensible member of driving piece (322) is connected respectively first end with on the second end.
3. The ball drop test apparatus of claim 2, wherein said drive member (322) is an air cylinder including a cylinder body adjustably disposed on said base (10).
4. The ball drop test device of claim 1, wherein a support frame (12) is disposed on the base (10), and the ball drop member (20) is adjustably disposed on the support frame (12).
5. The drop test device according to claim 1, wherein when a portion of the sphere (21) abuts on the object (200), a position where an end of the sphere (21) away from the object (200) is located is defined as a stationary drop position (2101), the photoelectric sensor (40) has a light exit port (41), and the light exit port (41) is disposed higher than the stationary drop position (2101).
6. The ball drop test device of claim 5, wherein a mounting post (13) is disposed on the base (10), the photosensor (40) being adjustably disposed on the mounting post (13).
7. A ball drop test device as claimed in claim 5, wherein the light exit (41) is located 2 mm to 5 mm above the stationary ball drop position (2101).
8. Ball drop test device according to any of claims 1-7, wherein the photoelectric sensor (40) is a laser counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129090.9A CN114608780A (en) | 2022-02-11 | 2022-02-11 | Falling ball testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129090.9A CN114608780A (en) | 2022-02-11 | 2022-02-11 | Falling ball testing device |
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| Publication Number | Publication Date |
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| CN114608780A true CN114608780A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210129090.9A Pending CN114608780A (en) | 2022-02-11 | 2022-02-11 | Falling ball testing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548733A (en) * | 2018-04-18 | 2018-09-18 | 东莞市西康电子设备有限公司 | Vertical falling ball impact test machine |
| CN209356335U (en) * | 2019-01-08 | 2019-09-06 | 李富波 | A kind of anti-secondary pulse falling ball impact test machine of high-precision |
| CN210533653U (en) * | 2019-08-24 | 2020-05-15 | 苏州苏勃检测技术服务有限公司 | Drop test machine capable of preventing secondary impact |
| CN112964443A (en) * | 2021-03-04 | 2021-06-15 | 合肥维信诺科技有限公司 | Falling ball testing device |
| CN113607368A (en) * | 2021-08-12 | 2021-11-05 | 昆山汇之胜电子科技有限公司 | Falling ball testing device and method |
| CN215262920U (en) * | 2021-07-23 | 2021-12-21 | 安赛泊（天津）机场助航技术有限公司 | Falling ball releasing frame for falling ball impact experiment |
-
2022
- 2022-02-11 CN CN202210129090.9A patent/CN114608780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548733A (en) * | 2018-04-18 | 2018-09-18 | 东莞市西康电子设备有限公司 | Vertical falling ball impact test machine |
| CN209356335U (en) * | 2019-01-08 | 2019-09-06 | 李富波 | A kind of anti-secondary pulse falling ball impact test machine of high-precision |
| CN210533653U (en) * | 2019-08-24 | 2020-05-15 | 苏州苏勃检测技术服务有限公司 | Drop test machine capable of preventing secondary impact |
| CN112964443A (en) * | 2021-03-04 | 2021-06-15 | 合肥维信诺科技有限公司 | Falling ball testing device |
| CN215262920U (en) * | 2021-07-23 | 2021-12-21 | 安赛泊（天津）机场助航技术有限公司 | Falling ball releasing frame for falling ball impact experiment |
| CN113607368A (en) * | 2021-08-12 | 2021-11-05 | 昆山汇之胜电子科技有限公司 | Falling ball testing device and method |
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