CN111380653A - Electronic equipment machine case water tightness test device - Google Patents
Electronic equipment machine case water tightness test device Download PDFInfo
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- CN111380653A CN111380653A CN202010353258.5A CN202010353258A CN111380653A CN 111380653 A CN111380653 A CN 111380653A CN 202010353258 A CN202010353258 A CN 202010353258A CN 111380653 A CN111380653 A CN 111380653A
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- water tank
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- electronic equipment
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a water tightness test device for a chassis of electronic equipment, which belongs to the technical field of water tightness tests of electronic equipment, and comprises a water tank and a lifting structure, wherein the lifting structure comprises a lifting rod extending into the water tank, a driving motor arranged on the water tank and used for driving the lifting rod to move, and a platform arranged at the bottom end of the lifting rod and used for placing the chassis to be tested; the platform is further connected with a plurality of groups of hanging assemblies used for keeping the levelness of the platform, each group of hanging assemblies comprises a horizontal motor arranged above the platform, a first pulley arranged on the bottom surface of the water tank and a second pulley arranged on the upper edge of the water tank, the output end of each horizontal motor is wound with a balance line, and the balance lines sequentially pass through the first pulley and the second pulley and are finally connected to a hook arranged on the upper surface of the clamping platform. The method is mainly used for improving the watertight case test technology of the electronic equipment, can adapt to cases of different forms, can accurately adjust the test depth of the case, and is more definite in control of test variables.
Description
Technical Field
The invention belongs to the technical field of water tightness tests of electronic equipment, and particularly relates to a water tightness test device for a chassis of the electronic equipment.
Background
With the rapid development of the current communication industry, electronic equipment cases are widely used in military and civil applications, and since most of the components in the equipment are electronic components, the working environment is often harsh, so that the cases are required to have certain waterproof performance, and the water tightness performance is the main index of the cases in the design process of the cases.
The method for the current machine box water test mainly comprises three modes of dripping, flushing and soaking, related tests are carried out according to different protection requirements of equipment, the adopted methods are different, the dripping test mainly adopts open-air rainwater for testing, the test is greatly influenced by weather, the flushing test mainly adopts a shower head for flushing, different angles can be met only by manually holding the shower head, the method needs manual operation, the whole rain level is greatly influenced by manual operation, the soaking test mainly adopts the steps that the machine box is soaked in water with a certain depth for corresponding time, however, when the case is immersed in the water tank, a certain amount of heavy objects are usually added to the case to make the case sink to a certain depth, however, the weight inside the chassis is often unevenly distributed, and the chassis may be overturned to a certain extent after sinking, so that the chassis is unstable in placement.
In conclusion, the analysis can find that the existing water tightness detection method has some defects: the currently adopted water tightness detection method does not have a set of unified device which can simultaneously meet the requirements of carrying out the related tests, the test method is greatly influenced by factors such as manpower and weather, the test is relatively complicated to carry out, and the labor cost of the test is also high.
Disclosure of Invention
The invention aims to provide a device for testing the water tightness of a case of electronic equipment, which avoids the defects in the prior art. Adopt this device can accomplish the quick-witted case water proofness test under the multiple complex condition, abundant reduction in the experiment because of the experimental not enough that causes of the influence of environment and human factor, make experimental more succinct, simultaneously because equipment control is automatically controlled, the artificial simple installation that only needs to carry out to quick-witted case practices thrift manpower and material resources.
The technical scheme provided by the invention is as follows:
a water tightness test device for a chassis of electronic equipment comprises a water tank and a lifting structure, wherein the lifting structure comprises a lifting rod extending into the water tank, a driving motor arranged on the water tank and used for driving the lifting rod to move, and a platform arranged at the bottom end of the lifting rod and used for placing the chassis to be tested;
the platform is further connected with a plurality of groups of hanging assemblies used for keeping the levelness of the platform, each group of hanging assemblies comprises a horizontal motor arranged above the platform, a turning pulley arranged on the bottom surface of the water tank and a fixed pulley arranged on the upper edge of the water tank, the output end of each horizontal motor is wound with a balance line, and the balance line sequentially passes through the turning pulley and the fixed pulley and is finally connected to a hook arranged on the upper surface of the clamping platform.
Furthermore, a transverse plate is arranged above the water tank, and the driving motor and the horizontal motor are both fixed on the transverse plate.
Furthermore, the lifter be the rack, driving motor's output is provided with the gear box, the lifter matches with the gear box meshing.
Furthermore, the top of the water tank is provided with an embedded groove, and two sides of the transverse plate are inserted into the embedded groove.
Further, still be equipped with in the basin and spray the unit, it includes two vertical electric jars, sets up horizontal slide rail, the horizontal electric jar of setting on the slide rail on the flexible end of two vertical electric jars to spray the unit to and locate the horizontal slider by horizontal electric jar drive on the slide rail, horizontal slider connects the nozzle, and the end switch-on of intaking of nozzle sends the liquid pump.
Furthermore, the platform comprises two horizontal press plates which are oppositely arranged from top to bottom, a plurality of radial waist holes are formed in the horizontal press plates, and bolts penetrate into the corresponding waist holes of the two horizontal press plates to be connected.
Furthermore, the outer side of the water tank is also provided with a vertical sliding rail, the vertical sliding rail is connected with a connecting arm through a vertical sliding block, and the tail end of the connecting arm is connected with a camera.
Compared with the prior art, the invention has the beneficial effects that:
(1) this device can be used for carrying out multiple water proofness test, has reduced manpower and material resources.
(2) The upper and lower horizontal pressing plates of the case fixing device of the device are provided with slotted holes, so that the case fixing device can adapt to cases with different sizes.
(3) The rain device of the device is composed of a mechanical arm, a variable-direction nozzle and a stepping motor, and can realize 360-degree omnibearing rain tests.
(4) The device is provided with a set of case lifting structure, and is assisted by a case leveling device, so that the requirements of a case immersion test can be met, and the reliability is high.
(5) The invention designs a rain device capable of meeting the water tightness test of a case under various conditions, which mainly comprises a nozzle with controllable flow, a water pump, a nozzle direction regulator vertical electric cylinder 24, a slide rail 25, a mechanical arm 26 and a nozzle 27. The water dripping and rain spraying test is mainly realized by spraying water through the nozzle, the nozzle can control the flow of water, the nozzle is driven to lift and move in a plane by rotating the horizontal screw rod and the vertical screw rod, the angle of the nozzle is adjusted by adjusting the nozzle direction adjuster, the mechanical arm and other modes, the water spraying at 360 degrees without dead angles of the case can be realized, and the test environment complexity is fully met.
Drawings
Fig. 1 is a schematic structural diagram of a water tightness test device for an electronic equipment enclosure in an embodiment of the invention.
Fig. 2 is a structural view of the water tank of fig. 1.
Fig. 3 is a block diagram of the platform of fig. 1.
Fig. 4 is a structural view of the elevation structure of fig. 1.
Fig. 5 is a structural view of the rain gear of fig. 1.
In the figure: the device comprises a transverse plate 2, a platform 3, a spraying unit 4, a lifting structure 5, a liquid feeding pump 7, a direction changing pulley 10, a fixed pulley 11, a vertical sliding rail 12, a camera 13, a transverse sliding block 14, a horizontal pressing plate 15, a bolt 17, a hook 18, a driving motor 19, a lifting rod 21, a horizontal motor 23, a vertical electric cylinder 24, a transverse sliding rail 25, a mechanical arm 26 and a nozzle 27.
Detailed Description
The invention is further illustrated below with reference to the accompanying figures 1-5:
the integral test working conditions of the water tightness test device of the electronic equipment case are divided into water dripping, flushing and soaking working states, and the specific implementation scheme is as follows:
a water tightness test device for a chassis of electronic equipment comprises a water tank and a lifting structure, wherein the lifting structure comprises a lifting rod extending into the water tank, a driving motor arranged on the water tank and used for driving the lifting rod to move, and a platform arranged at the bottom end of the lifting rod and used for placing the chassis to be tested;
the platform still is connected with the hanging assembly that the multiunit is used for keeping the platform levelness, and every group hanging assembly all is including the horizontal motor who locates the platform top, locate the first pulley of basin bottom surface and locate the second pulley on the basin edge, and what be located the basin bottom surface setting is diversion pulley 10, and what be located the basin edge setting is fixed pulley 11, horizontal motor set up in the top of platform, the winding balance line of output head of every horizontal motor is from supreme first pulley and the second pulley of winding around to last, finally is connected to the couple of locating clamping platform upper surface department, is located the basin top and is equipped with horizontal board 2, horizontal motor fix on horizontal board, the basin top is equipped with the caulking groove, horizontal board 2's both sides are through horizontal slider 14 cooperation in the caulking groove, horizontal board passes through the slider and realizes sliding.
The lifting structure further comprises a driving motor 19 and a gear box, the lifting rod 21 is a rack and meshed and matched with the gear box, and the output end of the driving motor is connected with the gear box.
Still include the spray unit, the spray unit includes: two vertical electric cylinders 24 are fixed in the water tank along any one side surface, a transverse slide rail 25 is transversely arranged at the lifting end of the two vertical electric cylinders, a horizontal electric cylinder 25 is fixed on the horizontal sliding rail, the telescopic end of the horizontal electric cylinder is connected with a horizontal sliding block assembled on the horizontal sliding rail, the horizontal sliding block is connected with a mechanical arm 26, a nozzle 27 facing the platform is arranged at the tail end of the mechanical arm, the nozzle is connected with the mechanical arm through a rotating unit, the rotating unit consists of a motor and a rotary table, the direction of the nozzle is controlled by the rotating unit, the water inlet end of the nozzle is connected with the liquid feeding pump 7, the vertical slide rail 12 is arranged outside the water tank, the vertical slide rail is connected with a connecting arm through a vertical slide block, the tail end of the connecting arm is connected with a camera 13, the displacement of the nozzle is controlled through the matching of the horizontal electric cylinder and the vertical electric cylinder, and the spraying amount is observed through a camera.
The platform 2 comprises two horizontal pressing plates 15 which are oppositely arranged up and down, a plurality of radial waist holes are formed in the horizontal pressing plates from the center to the outside in a diffusion mode, and bolts 17 penetrate into the waist holes of the two horizontal pressing plates to be connected.
The mechanism of the invention is as follows:
the technical scheme adopted by the invention is characterized in that the innovative design is carried out mainly according to the relevant requirements of the standard GB/T2423.38-2008 on the water tightness test of the case of the electronic equipment, and the test device can easily realize the relevant requirements of the standard GB/T2423.38-2008 on the water test of the case.
Start driving motor 19 among the quick-witted case elevation structure, rotation through the control motor, vertical motion through the rotation conversion with the motor lifter 21, this moment because the atress is in the bearing range of lifter on the quick-witted case, do not start quick-witted case horizontal adjustment device this moment and can accomplish the experiment, adjust rain device 4, control horizontal electric jar 25 and vertical electric jar 24 rotate, adjust the position of nozzle 27, adjust arm 26 and nozzle direction controller 28 simultaneously and carry out the control of nozzle direction, start the steam spray switch, from nozzle mouth department blowout steam, control steam ejection volume can satisfy the experimental relevant requirement that drips.
And (3) flushing test: the operation flow of the flushing test is similar to that of the dripping test, and after the machine box is fixed and the direction of the nozzle is adjusted, the nozzle sprays water outwards only for realizing the flushing test.
And (3) soaking test: the immersion test is mainly that the case is placed in a water tank to be immersed for a period of time at a certain depth. In the preparation stage before the test, on the basis of the preparation connection end of the immersion test, a steel wire rope of the case leveling device is connected to a hook 18 of a lower horizontal pressing plate, a horizontal motor 23 of the leveling device is started, the case lifting structure is controlled to lift, meanwhile, the horizontal motor 23 for leveling is rotated through the hanging assembly, the steel wire rope is pulled, the case is fully guaranteed to be kept horizontal in the descending process, and the torque generated on the lifting rod is reduced.
The device has 3 working states according to the standard, namely a dripping working state, a flushing working state and a soaking working state.
Three kinds of operating condition all need at first fix the horizontal pressure plate of quick-witted case through quick-witted case fixing device, fix quick-witted case through screwing up double-screw bolt nut fastener 17, are connected horizontal pressure plate and elevating system's ring flange, start elevating system's driving motor 19, and driving motor carries out at the uniform velocity rotatory, and elevating system adopts the structure 20 of rack and pinion, and when the motor was rotatory, can convert the vertical motion of lifter into, and the vertical motion of lifter 21 can drive the lift of quick-witted case.
Because the weight distribution of the machine case is often uneven when the machine case is designed, the related problems are not solved after the machine case is fixed by the horizontal pressing plate 15, a certain torsion force is acted on the rack, because the machine case needs to be kept horizontal in the test process, when the weight of the machine case is light, the influence on the worm is relatively small when the water dripping and flushing test is carried out,
when the immersion test is performed or the cabinet is heavy in weight, the compliance with the worm screw is significantly increased. This patent also fully considers when the design because the uneven influence to the lifter of quick-witted case weight distribution, has designed one set of quick-witted case level (l) ing device, and it is mainly by horizontal motor 23, diversion pulley 10, fixed pulley 11 and pulling balance line, and the couple 18 department at the board of platform is connected to the one end of balance line, and the pivot department at horizontal motor is connected to the other end, and wire rope passes diversion pulley 10, through the taut wire rope of rotation of horizontal motor, and then makes quick-witted case keep the level. The 4 horizontal motors 23 can be operated simultaneously or individually. The device is carrying out the during operation, both can guarantee quick-witted case fixing device's level, the pressure that bears on the reduction lifter 21 that again can be abundant, especially when carrying out the immersion test, along with the increase of the depth of water, quick-witted case when going up and down, to the obvious increase of pressure of worm, when carrying out the immersion test, accessible horizontal motor 23's rotation, pulling quick-witted case upward movement, the decline of cooperation worm simultaneously and rise and then reach quick-witted case translation entirely, levelling device's use can greatly increased equipment's life.
Claims (7)
1. The electronic equipment case water tightness test device comprises a water tank and is characterized by further comprising a lifting structure (5), wherein the lifting structure (5) comprises a lifting rod (21) extending into the water tank, a driving motor (19) arranged on the water tank and used for driving the lifting rod (21) to move, and a platform (3) arranged at the bottom end of the lifting rod (21) and used for placing a case to be tested;
the platform (3) is further connected with a plurality of groups of hanging assemblies used for keeping the levelness of the platform (3), each group of hanging assemblies comprises a horizontal motor (23) arranged above the platform (3), a turning pulley (10) arranged on the bottom surface of the water tank and a fixed pulley (11) arranged on the upper edge of the water tank, the output end of each horizontal motor (23) is wound with a balance line, and the balance line sequentially passes through the turning pulley (10) and the fixed pulley (11) and is finally connected to a hook (18) arranged on the upper surface of the clamping platform (3).
2. The electronic equipment cabinet water tightness test device according to claim 1, wherein a transverse plate (2) is arranged above the water tank, and the driving motor (19) and the horizontal motor (23) are fixed on the transverse plate (2).
3. The electronic equipment cabinet water tightness test device according to claim 2, wherein the lifting rod (21) is a rack, a gear box is arranged at the output end of the driving motor (19), and the lifting rod (21) is meshed and matched with the gear box.
4. The electronic equipment cabinet water tightness test device according to claim 3, wherein a caulking groove is formed at the top of the water tank, and two sides of the transverse plate (2) are matched with the caulking groove through transverse sliding blocks (14).
5. The electronic equipment cabinet water tightness test device according to claim 3, wherein a spraying unit (4) is further arranged in the water tank, the spraying unit (4) comprises two vertical electric cylinders (24), a transverse slide rail arranged at the telescopic ends of the two vertical electric cylinders (24), a horizontal electric cylinder arranged on the transverse slide rail, and a horizontal slider arranged on the transverse slide rail and driven by the horizontal electric cylinder, the horizontal slider is connected with the nozzle (27), and the water inlet end of the nozzle (27) is communicated with the liquid feeding pump (7).
6. The electronic equipment cabinet water tightness test device according to claim 3, wherein the platform (3) comprises two horizontal pressing plates (15) oppositely arranged up and down, a plurality of radial waist holes are formed in the horizontal pressing plates (15), and bolts are inserted into the corresponding waist holes of the two horizontal pressing plates (15) for connection.
7. The electronic equipment cabinet water tightness test device according to claim 1, wherein a vertical slide rail (12) is further arranged outside the water tank, a connecting arm is connected to the vertical slide rail (12) through a vertical slide block, and a camera (13) is connected to the end of the connecting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353258.5A CN111380653A (en) | 2020-04-29 | 2020-04-29 | Electronic equipment machine case water tightness test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353258.5A CN111380653A (en) | 2020-04-29 | 2020-04-29 | Electronic equipment machine case water tightness test device |
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| Publication Number | Publication Date |
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| CN111380653A true CN111380653A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010353258.5A Pending CN111380653A (en) | 2020-04-29 | 2020-04-29 | Electronic equipment machine case water tightness test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445153A (en) * | 2020-10-19 | 2021-03-05 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Immersion test device |
-
2020
- 2020-04-29 CN CN202010353258.5A patent/CN111380653A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445153A (en) * | 2020-10-19 | 2021-03-05 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Immersion test device |
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