CN102589833B - Bump test device of audio-video equipment - Google Patents
Bump test device of audio-video equipment Download PDFInfo
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- CN102589833B CN102589833B CN201210018175.6A CN201210018175A CN102589833B CN 102589833 B CN102589833 B CN 102589833B CN 201210018175 A CN201210018175 A CN 201210018175A CN 102589833 B CN102589833 B CN 102589833B
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- flat plate
- test device
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- bump
- driving
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Abstract
The invention relates to a bump test device of audio-video equipment. The bump test device is characterized in that an upper flat plate and a lower flat plate are in sliding connection by a guide rod and a guide sleeve; the upper flat plate is connected with two driving cam mechanisms fixed at the lower surface of the lower flat plate by four driving ejector rods fixed on the lower surface of the upper flat plate; and each driving cam mechanism is in transmission connection with a speed reducer and a motor which are fixed on the lower surface of the lower flat plate by a synchronous belt. The bump test device has the advantages that the requirement on the bump test in safety test of audio, video or similar electronic equipment can be met; bump parameters in different standard requirements can be finished by a group of cam series with different specifications, and the bump accuracy reaches 0.5%; full-automatic bump test is carried out by a mechanical device, the speed and the times of each time of bump can be adjusted, the repeatability can be guaranteed; and moving parts are designed in a reinforced manner, so that the service life of the test device can be guaranteed.
Description
Technical field
The present invention relates to a kind of impact test device, especially a kind of impact test device that is applicable to audio frequency, video and the detection of similar electronic equipments safety.
Background technology
Impact test is that simulation equipment under test stands to jolt or the impact such as falls, for the physical strength of apparatus for checking or the impact strength of transportation, be widely used in safety, the Performance Detection of the products such as audio & video equipment, household electrical appliances, information products, battery, automobile.Impact test device is according to standard-required, to equipment under test, with certain forms effect energy, makes equipment under test stand the test unit of percussion movement.Different examination criterias, different to the parameter request of impact test.The parameter of impact test mainly comprises: clash into height, angle, material, number of times (or time), frequency etc.Impact test equipment is generally by driver part, drive disk assembly, guiding mechanism, control parts of motion, fixture and composition of the control system.The key of impact test is precision and the repeatability that guarantees shock.And existing audio frequency and video impact test equipment clashes into, precision is low, test repeatability is poor.
Summary of the invention
The present invention will solve existing audio frequency and video impact test equipment to clash into the technical matters that precision is low, test repeatability is poor, and a kind of bump test device of audio-video equipment that audio frequency, video and similar electronic equipments safety detect that is applicable to is provided, this test unit is guaranteeing on the basis of standard-required, pass through structural design, overcome impact test equipment and clashed into the shortcoming that precision is low, test repeatability is poor, promote the reliability of impact test, thereby strengthened the confidence level of impact test result.
For achieving the above object, technical scheme of the present invention is: a kind of bump test device of audio-video equipment, comprise upper flat plate, guide pole, orienting sleeve, driving cam means, lower flat board, speed reduction unit and motor, between upper flat plate and lower flat board, by guide pole and orienting sleeve, be slidably connected, upper flat plate is connected with two driving cam means that are fixed on lower dull and stereotyped lower surface by four driving push rods that are fixed on its lower surface, and each driving cam means is connected with the speed reduction unit and the motor-driven that are fixed on lower dull and stereotyped lower surface by Timing Belt.
Driving cam means comprises cam, driven pulley, transmission shaft, two bearings, wherein, two bearings are arranged on respectively on lower flat board, in two bearings, transmission shaft is housed, the two ends of transmission shaft are fixedly connected with cam by flat key respectively, and cam contacts and is connected with driving push rod, on transmission shaft between two bearings, driven pulley is housed, and driven pulley is connected with the driving pulley on speed reduction unit and motor by Timing Belt.
On upper flat plate lower plane, be fixed with respectively four guide poles, and four guide poles are arranged symmetrically with.
On lower dull and stereotyped lower plane, be fixed with respectively four orienting sleeves, and four orienting sleeves are connected with four guide poles of upper flat plate respectively.
Drive on push rod lower end roller is housed, and contact and be connected with driving push rod by roller.
Stretching pulley is housed on Timing Belt, and stretching pulley is adjustable is connected on lower dull and stereotyped lower plane.
Cam outline is determined by the impact parameter of test standard.
The lower surface of lower flat board is provided with travel switch, and travel switch is connected with control system.
Beneficial effect of the present invention is: by mechanical hook-up and control system, carry out full automatic impact test, speed and the number of times of shock are adjustable, and can guarantee repeatability.Cam series by one group of different size, completes the impact parameter that various criterion requires, and clashes into precision and reaches 0.5%.Moving component is through strengthening design, life-span that can warranty test device.Device bottom is used earthquake isolating equipment, reduces the impact on other equipment.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the upward view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
As shown in Figure 1, 2, bump test device of audio-video equipment of the present invention, comprises upper flat plate 1, guide pole 2, orienting sleeve 3, cam 4, flat key 5, bearing 6, roller 7, lower dull and stereotyped 8, driven pulley 9, driving pulley 10, Timing Belt 11, transmission shaft 12, speed reduction unit and motor 13, drive push rod 14, stretching pulley 15 etc.
On upper flat plate 1 lower surface, be fixed with respectively four guide poles 2, and four guide poles 2 are arranged symmetrically with.On lower dull and stereotyped 8 lower surfaces, be fixed with respectively four orienting sleeves 3, and four orienting sleeves 3 coordinate with four guide poles 2 of upper flat plate 1 respectively.Between upper flat plate 1 and lower dull and stereotyped 8, by guide pole 2 and orienting sleeve 3, be slidably connected.
On upper flat plate 1 lower surface, fixedly mount four driving push rods 14, each drives push rod 14 heads that roller 7 is housed, and four driving push rods 14 are arranged symmetrically with.Upper flat plate 1 is connected with two driving cam means 20 that are fixed on lower dull and stereotyped 8 lower surfaces by four driving push rods 14, each driving cam means 20 by Timing Belt 11 be fixed on speed reduction unit on lower dull and stereotyped 8 lower surfaces and the driving pulley 10 on motor 13 and be in transmission connection.On motor and speed reduction unit 13 output shafts, two driving pulleys 10 are housed.
Driving cam means 20 comprises cam 4, driven pulley 9,12, two bearings 6 of transmission shaft, wherein, two bearings 6 are arranged on respectively on lower dull and stereotyped 8, in two bearings 6, transmission shaft 12 is housed, the two ends of transmission shaft 12 are fixedly connected with cam 4 by flat key 5 respectively, and cam 4 with drive roller 7 on push rod 14 to contact to be connected, on transmission shaft 12 between two bearings 6, driven pulley 9 is housed, and driven pulley 9 is connected with the driving pulley 10 on speed reduction unit and motor 13 by Timing Belt 11.Stretching pulley 15 is housed on Timing Belt 11, and stretching pulley 15 is adjustable is connected on lower dull and stereotyped 8 lower surfaces.Cam 4 outlines are determined by the impact parameter of test standard.Lower dull and stereotyped 8 lower surface is provided with travel switch, and travel switch is connected with control system.
Two driving pulleys 10 on motor and speed reduction unit 13 output shafts, by Timing Belt 11, drive respectively two driven pulleys 9 that are positioned on transmission shaft 12, drive 12 rotations of two transmission shafts, thereby the cam 4 of drive installation on transmission shaft, promote to drive the upper and lower motion of push rod 14, drive upper flat plate 1 completes " promote-clash into " to-and-fro movement, forms with lower dull and stereotyped 8 " shock " and moves.Equipment under test is placed on upper flat plate 1, with upper flat plate 1 motion, thereby through being impacted.Between upper flat plate 1 and lower dull and stereotyped 8, guiding mechanism is housed, guarantees the accuracy in percussion movement path.
The present invention, by the cam series of one group of different size, has significantly promoted shock precision and the repeatability of impact test, clashes into precision and reaches 0.5%.Can complete the impact parameter that various criterion requires, by mechanical hook-up, carry out full automatic impact test, each speed and number of times clashing into is adjustable, and can guarantee repeatability.Moving component is through strengthening design, life-span that can warranty test device.Device bottom is used earthquake isolating equipment, reduces the impact on other equipment.
Claims (5)
1. a bump test device of audio-video equipment, comprise upper flat plate (1), guide pole (2), orienting sleeve (3), lower flat board (8), speed reduction unit and motor (13), driving cam means (20), it is characterized in that: between upper flat plate (1) and lower flat board (8), by guide pole (2) and orienting sleeve (3), be slidably connected, upper flat plate (1) is connected with two driving cam means (20) that are fixed on lower flat board (8) lower plane by four driving push rods that are fixed on its lower surface, each driving cam means (20) is in transmission connection by Timing Belt (11) and the speed reduction unit and the motor (13) that are fixed on lower flat board (8) lower surface, described driving cam means (20) comprises cam (4), driven pulley (9), transmission shaft (12), two bearings (6), wherein, two bearings (6) are arranged on respectively on lower flat board (8), transmission shaft (12) is housed in two bearings (6), the two ends of transmission shaft (12) are fixedly connected with cam (4) by flat key (5) respectively, and cam (4) contacts and is connected with driving push rod, on transmission shaft (12) between two bearings (6), driven pulley (9) is housed, and driven pulley (9) is connected with the driving pulley (10) on speed reduction unit and motor (13) by Timing Belt (11), on described upper flat plate (1) lower surface, be fixed with respectively four guide poles (2), and four guide poles (2) are arranged symmetrically with, described driving push rod is equipped with roller (7) on lower end, and is contacted and be connected with cam (4) by roller (7), described cam (4) outline is determined by the impact parameter of test standard.
2. bump test device of audio-video equipment according to claim 1, it is characterized in that: on described lower flat board (8) lower surface, be fixed with respectively four orienting sleeves (3), and four orienting sleeves (3) are connected with four guide poles (2) of upper flat plate (1) respectively.
3. bump test device of audio-video equipment according to claim 1, is characterized in that: described Timing Belt is equipped with stretching pulley on (11), and stretching pulley is adjustable is connected on lower flat board (8) lower surface.
4. bump test device of audio-video equipment according to claim 1, is characterized in that: the lower surface of described lower flat board (8) is provided with travel switch, and travel switch is connected with control system.
5. according to the bump test device of audio-video equipment described in claim 1 to 4 any one, it is characterized in that: described bump test device of audio-video equipment bottom is provided with earthquake isolating equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018175.6A CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018175.6A CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589833A CN102589833A (en) | 2012-07-18 |
| CN102589833B true CN102589833B (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210018175.6A Expired - Fee Related CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
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| Country | Link |
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| CN (1) | CN102589833B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017995A (en) * | 2012-11-29 | 2013-04-03 | 无锡众望四维科技有限公司 | Audio and video product drop test machine |
| CN104101474A (en) * | 2013-04-07 | 2014-10-15 | 上海理工大学 | Wheelchair falling strength testing device |
| CN111307389A (en) * | 2020-04-08 | 2020-06-19 | 安徽风驰新能源科技股份有限公司 | Cylindrical lithium ion battery vibration testing device |
| CN113203535A (en) * | 2021-06-11 | 2021-08-03 | 中国工程物理研究院流体物理研究所 | Electromagnetic drive's heavy load impact vibrations environment simulation test equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1707493A1 (en) * | 1988-11-09 | 1992-01-23 | Научно-Производственное Объединение Медно-Молибденовой Промышленности "Армцветмет" | Impact testing machine |
| CN201945432U (en) * | 2010-12-20 | 2011-08-24 | 张光辉 | Shock test stand |
| CN201974296U (en) * | 2010-11-12 | 2011-09-14 | 十堰建隆科技有限公司 | Test bench for automobile electronic throttle pedal performance and life |
| CN202471383U (en) * | 2012-01-20 | 2012-10-03 | 中华人民共和国上海出入境检验检疫局 | Bump test device for audio and video equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1793296C (en) * | 1990-03-19 | 1993-02-07 | Научно-производственное объединение машиностроения | Repeated impact test bed |
-
2012
- 2012-01-20 CN CN201210018175.6A patent/CN102589833B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1707493A1 (en) * | 1988-11-09 | 1992-01-23 | Научно-Производственное Объединение Медно-Молибденовой Промышленности "Армцветмет" | Impact testing machine |
| CN201974296U (en) * | 2010-11-12 | 2011-09-14 | 十堰建隆科技有限公司 | Test bench for automobile electronic throttle pedal performance and life |
| CN201945432U (en) * | 2010-12-20 | 2011-08-24 | 张光辉 | Shock test stand |
| CN202471383U (en) * | 2012-01-20 | 2012-10-03 | 中华人民共和国上海出入境检验检疫局 | Bump test device for audio and video equipment |
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|---|---|
| CN102589833A (en) | 2012-07-18 |
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