CN115931276B - Low-temperature environment anti-vibration testing device for liquid crystal display - Google Patents
Low-temperature environment anti-vibration testing device for liquid crystal display Download PDFInfo
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- CN115931276B CN115931276B CN202310026520.9A CN202310026520A CN115931276B CN 115931276 B CN115931276 B CN 115931276B CN 202310026520 A CN202310026520 A CN 202310026520A CN 115931276 B CN115931276 B CN 115931276B
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Abstract
The invention discloses a liquid crystal display low-temperature environment anti-vibration testing device, which relates to the field of anti-vibration testing devices and comprises a first bottom fixing frame, a second bottom fixing frame and a fixing base, wherein the first bottom fixing frame and the second bottom fixing frame are respectively arranged on two sides of the top end of the fixing base, top plates are respectively arranged on the top ends of the first bottom fixing frame and the second bottom fixing frame, vibration devices are respectively arranged on two sides of the top ends of the two top plates, the positions of a first position sensor and a second position sensor are correspondingly arranged, when a pull-out box is positioned in a display screen placing box, the positions of the two sensors are correspondingly arranged, no influence is caused, when the pull-out box needs to be pulled out, the position of the pull-out box is changed, so that the position of the second position sensor is changed, the first position sensor cannot be sensed, at the moment, the second position sensor transmits signals to a blowing fan, the interior of the pull-out box is blown, ice frost melting and the circulation of internal cold air are quickened, and the normal room temperature is quickly restored.
Description
Technical Field
The invention relates to the field of anti-seismic testing devices, in particular to a liquid crystal display low-temperature environment anti-seismic testing device.
Background
Liquid Crystal Displays (LCDs) are one type of display for digital watches and many portable computers. LCD displays use two sheets of polarizing material with a liquid crystal solution in between. When an electric current is passed through the liquid, the crystals rearrange so that light cannot pass through them. Thus, each crystal acts like a shutter, allowing light to pass through it and blocking it. Liquid Crystal Displays (LCDs) are currently being developed towards light, thin, short, small targets, and display products with a long history around the computer are certainly no exception. Under the premise of convenient carrying and transporting, the conventional display modes such as CRT kinescope display and LED display panel are subject to the factors of overlarge volume or huge power consumption, and cannot meet the actual demands of users. The development of the liquid crystal display technology is exactly suitable for the trend of the current information products, and the user can enjoy the best visual environment no matter the advantages of right angle display, low power consumption, small volume, zero radiation and the like.
After the liquid crystal display screen is required to carry out quality detection on finished products after processing and production, the finished products can leave the factory, wherein the anti-vibration detection is an important relation in the quality detection, the quality and the public praise of the products are influenced, the anti-vibration detection is that the products encounter various vibration influences in transportation, installation and use, whether the products can bear various environments or not is judged through test detection aiming at vibration capabilities, in partial areas of China, winter weather is relatively cold, the anti-vibration detection is required to be carried out on the products in low temperature, but frost and ice are easy to appear in the low temperature environment, water drops are accumulated due to melting, damage can be caused to the display screen, damage can also be caused to a testing device, deviation is caused to test data, in addition, in the anti-vibration test, the impact force on the display shell is required to be reduced, the occurrence of knocks is avoided, the corner knocks are caused, and the products become defective products.
Therefore, it is necessary to provide a low-temperature environment anti-vibration testing device for a liquid crystal display to solve the above problems.
Disclosure of Invention
The invention aims to provide a low-temperature environment anti-vibration testing device for a liquid crystal display, which is characterized in that the temperature of the low-temperature environment is too low, so that freezing and frost are generated in the liquid crystal display, a blowing fan is arranged on the inner side of a first transverse plate, a second position sensor is arranged at the top end of the blowing fan, the first position sensor and the second position sensor are correspondingly arranged, when a pull-out box is positioned in a display screen placement box, the positions of the two sensors are corresponding, no influence is generated, when the pull-out box needs to be pulled out, the position of the pull-out box is changed, the position of the second position sensor is changed, the first position sensor cannot be sensed, the second position sensor transmits a signal to the blowing fan at the moment, the blowing fan is started, the interior of the pull-out box is blown, the frost melting and the circulation of cold air in the interior are quickened, and the normal room temperature is quickly restored. To solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a liquid crystal display low temperature environment antidetonation testing arrangement, includes first bottom mount, second bottom mount, unable adjustment base, the both sides on unable adjustment base top are provided with first bottom mount and second bottom mount respectively, the top of first bottom mount and second bottom mount all is provided with the roof, the both sides on two roof tops all are provided with vibrating device, wherein the inboard of two vibrating device is connected with first fixed plate, and the inboard of two other vibrating device is connected with the second fixed plate, the bottom of first fixed plate and second fixed plate evenly is provided with a plurality of supporting seats, be provided with the division board on the supporting seat, the top of division board is provided with the display screen and places the box, open on one side of display screen and has the recess, sliding mounting has the pull-out box in the recess, the top fixed mounting of roof has the refrigeration support frame, the refrigerator is installed on the top of refrigeration support frame, the refrigeration support frame is installed in one side of two vibrating device, the bottom of refrigerator is connected with the air conditioning pipeline, the bottom intercommunication of air conditioning pipeline is placed in the inside of box in the display screen, and is provided with the vibration connection between first fixed plate and the second fixed shaft.
Preferably, the first fixed plate and the second fixed plate are close to one side of the vibrating device and are all provided with the strengthening rib, the vibrating device comprises a powerful spring, a first telescopic link and a U-shaped frame, one side of the U-shaped frame is connected to the strengthening rib, the bottom of the U-shaped frame is connected with the first telescopic link, the bottom of the U-shaped frame is connected to the top of the top plate, the powerful spring is sleeved on the outer side of the first telescopic link, and the powerful spring has retractility.
Preferably, one side that box top is close to the refrigerator is placed to the display screen is provided with first position sensor, first position sensor sets up in one side of air conditioning pipeline, first position sensor sets up to rectangular shape, the observation groove has been seted up to one side that the refrigerator was kept away from on the box top is placed to the display screen, the inside top of observation groove is provided with ya keli observation board.
Preferably, the both sides of pulling out the box are provided with first lateral wall and second lateral wall respectively, evenly set up a plurality of air outlets on first lateral wall and the second lateral wall, the bottom of pulling out the box is provided with the bottom plate, a plurality of water leakage mouth have all been seted up on the bottom plate, the top of bottom plate is provided with the cushion, set up the first hole that leaks of intercommunication top and bottom on the cushion.
Preferably, the both ends of first lateral wall and second lateral wall are connected with first diaphragm and second diaphragm respectively, the inboard of first diaphragm is provided with blower, blower's mouth of blowing is provided with the protection network of inwards sunken, blower's top is provided with the second position sensor, the outside of second diaphragm is provided with auxiliary handle.
Preferably, fixing devices are arranged at two ends of the inner sides of the first side wall and the second side wall, each fixing device comprises a connecting block, a telescopic plate, a fixing clamping plate, a protection pad, a pad disc, a second telescopic rod and a compression spring, and the protection pads are three.
Preferably, one side of connecting block is connected on first lateral wall, the middle part that first lateral wall one side was kept away from to the connecting block is provided with the expansion plate, one side of expansion plate is provided with the fixed splint, both sides are provided with the second telescopic link between expansion plate and the fixed splint, the both ends of second telescopic link all are provided with the pad dish, the outside cover of second telescopic link has compression spring, one side that the expansion plate was kept away from to the fixed splint is provided with the recess shape opening, all is provided with the protection pad on the three face of recess shape opening.
Preferably, a plurality of water drop holes are uniformly formed in the bottom end of the isolation plate, a refrigeration plate is arranged at the bottom end of the isolation plate, and the refrigeration plate is connected with the explosion-proof electric cabinet through a wire.
Preferably, the connecting shaft is fixedly provided with a fixed block, the top end of the fixed block is provided with a tightening hoop, a vibrating motor is arranged in the tightening hoop, the vibrating motor is connected with an electric wire, one end of the electric wire is connected with an explosion-proof electric cabinet, the explosion-proof electric cabinet is arranged on one side of the top end of the second bottom end fixing frame, and the bearing frame is arranged on the top end of the second bottom end fixing frame.
Preferably, a collecting box is arranged between the first bottom end fixing frame and the second bottom end fixing frame, a shock pad is arranged between the first bottom end fixing frame, the second bottom end fixing frame and the fixing base, an anti-slip pad is arranged between the collecting box and the fixing base, a second water leakage hole is formed in the bottom end of the display screen placement box, and the positions of the first position sensor and the second position sensor are correspondingly arranged.
The invention has the technical effects and advantages that:
1. for preventing low temperature environment temperature is too low, lead to congealing inside and on the display frost and air conditioning gathering not scattered, the inboard of first diaphragm is provided with blower, blower's top is provided with the second position sensor, the position of first position sensor and second position sensor corresponds the setting, when the box is in the inside that the box was placed to the display screen, two sensor positions correspond, can not exert an influence, when the box is pulled out to needs, the position of pulling out the box changes, cause second position sensor position change, the response is first position sensor not, the second position sensor transmits the signal for blower this moment, and start blower, to the inside of pulling out the box is bloied, accelerate the frost and melt and the circulation of inside cold air, resume normal room temperature fast.
2. In addition, the top end of the refrigeration support frame is provided with a refrigerator which is communicated with a power supply and starts to work to manufacture cold air, and the cold air enters the display screen placing box through a cold air pipeline to simulate the earthquake-resistant test of the liquid crystal display in a low-temperature environment.
3. The observation groove has been seted up on one side that refrigerator was kept away from on the display screen placing box top, and the inside top of observation groove is provided with ya keli observation board, in actual operation, and the staff can observe the inside condition of display screen placing box through ya keli observation board, when internal device goes wrong, can in time close the power, also can in time record liquid crystal display's in the antidetonation detection numerical variation and quality data, improves the accuracy of data. If the inside water droplet that melts that appears of drawing out the box can flow to the bottom that the box was placed to the display screen through a plurality of water leaking holes that all set up on the bottom plate, and the display screen is placed the box and is also offered the second hole that leaks, can make the water droplet flow outside the box, collect the water droplet by the collection box that the bottom set up, the second that the box was placed to the display screen in addition leaks a plurality of water leaking holes that all set up on hole and the bottom plate and the box closes the body and place, can shelter from each other between the hole when showing that the box was placed to the screen and the box that draws out, produce sealed effect, and when drawing out the box, the second leaks Kong Shiqu and shelter from, can let the water droplet fall, in addition the second leak hole and leak the mouth and all can exchange with outside air, improve the air conditioning release rate.
4. The side of display is cliied to the concave shape of fixed splint, fixes it, and the protection pad that all sets up on the three faces of concave font open-ended in addition can protect the display shell, prevents direct contact shell, leads to the shell to appear damaging in vibration test, and the second telescopic link can stretch out and draw back according to the size of display, adjusts the width. When the display size is great, install in the fixed splint and can produce the extrusion force, after the extrusion, compression spring can produce the resilience force, and the resilience force can let the fixed splint fix the display shell, prevents that the display from dropping or rocking in the inside of pulling out the box, leads to vibration test nonstandard.
5. The explosion-proof electric cabinet can control the switch of vibrating motor and vibrating motor's vibration power, can test the vibration data under the different powers, and tight pinch ring is provided with a plurality ofly in addition, strengthens vibrating motor's fixed strength, prevents vibration in-process, and vibrating motor drops, causes the harm, and the outside parcel of electric wire has the protective layer in addition, improves structural strength, and the electric wire is provided with certain length in addition, can avoid in vibration operation, pulls to the electric wire.
6. In addition, the top of bottom plate is provided with the cushion, and the cushion can protect the bottom of display, prevents end and display direct contact, when leading to vibration test, the display shell appears damaging and collide with, and has seted up the first hole that leaks of intercommunication top and bottom on the cushion, can help the frost to melt the downflow speed that appears the water droplet, avoids appearing the condition that the water droplet gathers.
Drawings
FIG. 1 is a schematic diagram of a first view of a low temperature environment anti-seismic testing device for a crystal display according to the present invention.
FIG. 2 is a schematic diagram of a second view angle structure of the low temperature environment anti-seismic testing device for a crystal display according to the present invention.
FIG. 3 is a schematic view of a third view angle of the low temperature environment anti-seismic testing device for a crystal display according to the present invention.
FIG. 4 is a schematic diagram of a fourth view angle structure of the low-temperature environment anti-seismic testing device for a crystal display according to the present invention.
Fig. 5 is a schematic view of the structure of the pull-out case of the present invention.
Fig. 6 is a schematic structural view of the fixing device of the present invention.
In the figure: 1. a bearing frame; 2. a refrigerating machine; 3. a refrigeration support frame; 4. a first bottom end fixing frame; 5. a vibration-proof pad; 6. a fixed base; 7. a top plate; 8. a strong spring; 9. a first telescopic rod; 10. a second cross plate; 11. a U-shaped frame; 12. a first fixing plate; 13. a collection box; 14. reinforcing ribs; 15. a second fixing plate; 16. a fixed block; 17. a connecting shaft; 18. an explosion-proof electric control box; 19. an electric wire; 20. a vibration motor; 21. a first position sensor; 22. a cold air duct; 23. a display screen placement box; 24. an observation groove; 25. pulling out the box; 26. an auxiliary handle; 27. a refrigeration plate; 28. a partition plate; 29. a water drop leak; 30. a first sidewall; 31. a second sidewall; 32. an air outlet; 33. a fixing device; 34. a blower fan; 35. a protective net; 36. a second position sensor; 37. a soft cushion; 38. a first water leakage hole; 39. a connecting block; 40. a telescoping plate; 41. a fixed clamping plate; 42. a protective pad; 43. a saucer; 44. a second telescopic rod; 45. a compression spring; 46. a support base; 47. a bottom plate; 48. a second water leakage hole; 49. a vibration device; 50. a first cross plate; 51. and a second bottom end fixing frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a liquid crystal display low-temperature environment anti-vibration testing device as shown in figures 1-6, which comprises a first bottom end fixing frame 4, a second bottom end fixing frame 51 and a fixing base 6, wherein the first bottom end fixing frame 4 and the second bottom end fixing frame 51 are respectively arranged on two sides of the top end of the fixing base 6, the first bottom end fixing frame 4 and the second bottom end fixing frame 51 are mainly used as supporting structures of the device, falling and tilting of the top end structure are prevented, and the fixing base 6 is used as a supporting plate of the bottom end of the device.
The top of first bottom mount 4 and second bottom mount 51 all is provided with roof 7, and the both sides on two roof 7 tops all are provided with vibrating device 49, and wherein the inboard of two vibrating device 49 is connected with first fixed plate 12, and the inboard of two other vibrating device 49 is connected with second fixed plate 15, and vibrating device 49 can vibrate from top to bottom at machine start-up time, reaches the effect of antidetonation detection. And the first fixing plate 12 and the second fixing plate 15 may serve as side supporting and protecting structures.
The bottom of first fixed plate 12 and second fixed plate 15 evenly is provided with a plurality of supporting seats 46, be provided with the division board 28 on the supporting seat 46, the top of division board 28 is provided with the display screen and places box 23, one side of box 23 is placed to the display screen is opened flutedly, sliding fit has and draws out box 25 in the recess, the top fixed mounting of roof 7 has refrigeration support frame 3, refrigerator 2 is installed on the top of refrigeration support frame 3, refrigeration support frame 3 installs in one side of two vibrating device 49, the bottom of refrigerator 2 is connected with air conditioning pipeline 22, air conditioning pipeline 22's bottom communicates in the inside of box 23 is placed to the display screen, air conditioning pipeline 22 can place the inside of box 23 with the air conditioning.
A connection shaft 17 is provided between the top ends of the first and second fixing plates 12 and 15, and a vibration motor 20 is mounted on the connection shaft 17. The vibration motor 20 can be used as a power source of the device.
In the actual operation of the present invention, the liquid crystal display is placed in the pull-out box 25, the pull-out box 25 is placed in the groove formed on one side of the placement box 23, when the vibration motor 20 is started, the vibration force is generated and transmitted to the connecting shaft 17, and the connecting shaft 17 is arranged between the top ends of the first fixing plate 12 and the second fixing plate 15, so that the first fixing plate 12 and the second fixing plate 15 also receive the vibration force, at this time, the vibration device 49 connected to one side of the first fixing plate 12 and the second fixing plate 15 receives the vibration, and the first telescopic rod 9 and the strong spring 8 vibrate up and down, so that the strong spring 8 can buffer the whole device to prevent the loosening and damage caused by the vibration.
In addition, the top end of the refrigeration support frame 3 is provided with a refrigerator 2, the refrigerator 2 is communicated with a power supply, the work is started, cold air is manufactured, the cold air enters the display screen placing box 23 through the cold air pipeline 22, and the shock resistance test of the liquid crystal display is simulated under the low-temperature environment.
The first fixed plate 12 and the second fixed plate 15 are close to one side of the vibrating device 49 and are all provided with the strengthening rib 14, and the effect of the strengthening rib 14 is to strengthen structural strength, improve stability, because this device needs to frequently vibrate the test, and first fixed plate 12 and second fixed plate 15 all need to strengthen, prevent that the structure from scattering, lead to unable work.
The vibration device 49 comprises a strong spring 8, a first telescopic rod 9 and a U-shaped frame 11, one side of the U-shaped frame 11 is connected to the reinforcing rib 14, the bottom end of the U-shaped frame 11 is connected with a first telescopic rod 9,U, the bottom end of the U-shaped frame 11 is connected to the top end of the top plate 7, the strong spring 8 is sleeved on the outer side of the first telescopic rod 9, and the strong spring 8 has elasticity, so that the vibration device 49 can rebound up and down.
One side that box 23 top is placed to the display screen is close to refrigerator 2 is provided with first position sensor 21, and first position sensor 21 sets up in one side of air conditioning pipeline 22, and first position sensor 21 sets up to rectangular shape, and observation groove 24 has been seted up to one side that box 23 top was kept away from refrigerator 2 to the display screen, and the inside top of observation groove 24 is provided with the ya keli observation board.
In the actual operation of the invention, a worker can observe the condition inside the display screen placing box 23 through the acrylic observation plate, when the internal device has a problem, the power supply can be turned off in time, and the numerical change and the quality data of the liquid crystal display in the earthquake-proof detection can be recorded in time.
The two sides of the pull-out box 25 are respectively provided with a first side wall 30 and a second side wall 31, a plurality of air outlets 32 are uniformly formed in the first side wall 30 and the second side wall 31, the bottom end of the pull-out box 25 is provided with a bottom plate 47, a plurality of water leakage ports are formed in the bottom plate 47, the top end of the bottom plate 47 is provided with a soft cushion 37, and a first water leakage hole 38 which is communicated with the top end and the bottom end is formed in the soft cushion 37.
The both ends of first lateral wall 30 and second lateral wall 31 are connected with first diaphragm 50 and second diaphragm 10 respectively, and the inboard of first diaphragm 50 is provided with blower 34, and the mouth of blowing of blower 34 is provided with inwards sunken protection network 35, and the top of blower 34 is provided with second position sensor 36, and the outside of second diaphragm 10 is provided with auxiliary handle 26.
In the actual operation of the present invention, in order to prevent the freezing inside and the display from being frozen due to the excessively low temperature environment, the inner side of the first transverse plate 50 is provided with the blower fan 34, the top end of the blower fan 34 is provided with the second position sensor 36, the positions of the first position sensor 21 and the second position sensor 36 are correspondingly arranged, when the pull-out box 25 is positioned in the display screen placement box 23, the positions of the two sensors are correspondingly arranged, no influence is generated, when the pull-out box 25 needs to be pulled out, the position of the pull-out box 25 is changed, so that the position of the second position sensor 36 is changed, the first position sensor 21 is not sensed, at this time, the second position sensor 36 transmits a signal to the blower fan 34, and the blower fan 34 is started to blow the interior of the pull-out box 25, thereby accelerating the circulation of the ice and the cold air inside, and quickly recovering the normal room temperature.
In addition, the first side wall 30 and the second side wall 31 are uniformly provided with a plurality of air outlets 32, so that circulation of cold air can be assisted, and blown wind power can blow off the inside of the display screen placement box 23 through the air outlets 32, so that air circulation speed is accelerated.
If the melted water drops appear in the pull-out box 25 and can flow out to the bottom end of the display screen placement box 23 through a plurality of water leakage holes formed in the bottom plate 47, the display screen placement box 23 is also provided with a second water leakage hole 48, so that the water drops can flow out of the box, the water drops are collected by the collecting box 13 arranged at the bottom end, in addition, the water leakage holes formed in the second water leakage hole 48 of the display screen placement box 23 and the bottom plate 47 are arranged in a staggered manner, when the display screen placement box 23 and the pull-out box 25 are combined, the water leakage holes are mutually shielded, a sealing effect is generated, and when the pull-out box 25 is pulled out, the shielding of the second water leakage hole 48 is lost, so that the water drops can fall down, in addition, the second water leakage hole 48 and the water leakage hole can be exchanged with external air, and the release speed of cold air is improved.
In addition, the top of bottom plate 47 is provided with cushion 37, and cushion 37 can protect the bottom of display, prevents bottom 47 and display direct contact, when leading to vibration test, the display shell appears damaging and collide with, and set up the first hole 38 that leaks of communicating top and bottom on the cushion 37, can help the frost to melt the downflow speed that the water droplet appears, avoid appearing the condition that the water droplet gathers.
The fixing device 33 is arranged at two ends of the inner sides of the first side wall 30 and the second side wall 31, the fixing device 33 comprises a connecting block 39, a telescopic plate 40, a fixing clamping plate 41, a protection pad 42, a pad disc 43, a second telescopic rod 44 and a compression spring 45, the protection pad 42 is provided with three parts, the fixing clamping plate 41 can clamp the side face of the display, and the size of the fixing clamping plate 41 is set to be consistent with the width of the side face of the display clamp.
One side of connecting block 39 is connected on first lateral wall 30, and the middle part of connecting block 39 side of keeping away from first lateral wall 30 is provided with expansion plate 40, and one side of expansion plate 40 is provided with fixed splint 41, and both sides are provided with second telescopic link 44 between expansion plate 40 and the fixed splint 41, and the both ends of second telescopic link 44 all are provided with saucer 43, and the outside cover of second telescopic link 44 has compression spring 45, and one side of fixed splint 41 keeping away from expansion plate 40 is provided with the concave shape opening, all is provided with protection pad 42 on the three face of concave shape opening.
In the actual operation of the present invention, the sides of the display are clamped by the concave shapes of the four fixing clamping plates 41 to fix them, and in addition, the protection pads 42 arranged on the three sides of the concave opening can protect the display housing from direct contact with the housing, so that the housing is damaged in the vibration test, and the second telescopic rod 44 can be telescopic according to the size of the display to adjust the width. When the display size is great, install in the fixed splint 41 and can produce the extrusion force, after the extrusion, compression spring 45 can produce the resilience force, and the resilience force can let fixed splint 41 fix the display shell, prevents that the display from dropping or rock in drawing out box 25 inside, leads to vibration test nonstandard.
The bottom of division board 28 has evenly offered a plurality of water droplet weep holes 29, the bottom of division board 28 is provided with refrigeration board 27, refrigeration board 27 passes through the wire and is connected with explosion-proof electric cabinet 18, refrigeration board 27 intercommunication power, can refrigerate the bottom of box 23 is placed to the display screen, box 23 receives the low temperature is placed to the display screen, the bottom of box 25 is pulled out in the transmission, because of the top intercommunication of box 25 has air conditioning pipeline 22 pulled out, the upper and lower side sets up refrigerating plant can make the low temperature environment of simulation, the temperature is more even, guarantee the rigor of test, improve the reliability of detected data.
The fixed block 16 is fixedly mounted on the connecting shaft 17, a tightening hoop is arranged at the top end of the fixed block 16, the vibrating motor 20 is arranged in the tightening hoop, the vibrating motor 20 is connected with an electric wire 19, one end of the electric wire 19 is connected with an explosion-proof electric cabinet 18, the explosion-proof electric cabinet 18 is arranged on one side of the top end of the second bottom end fixing frame 51, and the bearing frame 1 is arranged on the top end of the second bottom end fixing frame 51.
The explosion-proof electric cabinet 18 can control the switch of vibrating motor 20 and vibrating motor 20's vibration power, can test the vibration data under the different powers, and the tight pinch is provided with a plurality of in addition, strengthens the fixed strength to vibrating motor 20, prevents vibrating motor 20 in the vibration process, drops, causes the harm, and the outside parcel of electric wire 19 has the protective layer in addition, improves structural strength, and electric wire 19 is provided with certain length in addition, can avoid in vibration operation, to the pulling of electric wire.
A collecting box 13 is arranged between the first bottom end fixing frame 4 and the second bottom end fixing frame 51,
the water drops that can collect the top whereabouts of collecting box 13 make things convenient for personnel to collect, and it is laborsaving to save trouble, is provided with shock pad 5 between first bottom mount 4, second bottom mount 51 and the unable adjustment base 6, and shock pad 5 can cushion the vibration, is provided with the slipmat between collecting box 13 and the unable adjustment base 6, and the slipmat can avoid producing the position movement at vibration in-process collecting box 13, and second weeping hole 48 has been seted up to the bottom of box 23 is placed to the display screen, and the position of first position sensor 21 and second position sensor 36 corresponds the setting.
Working principle: the liquid crystal display is placed inside the pull-out case 25, and the pull-out case 25 is placed inside a recess formed in one side of the placement case 23.
Further, the side of the display is clamped by the concave shape of the four fixing clamping plates 41 inside the pull-out box 25, the display can be fixed, and in addition, the protection pads 42 arranged on the three surfaces of the concave opening can protect the display shell from being directly contacted with the shell, so that the shell is damaged in vibration test, and the second telescopic rod 44 can be telescopic according to the size of the display, and the width is adjusted. When the display size is larger, the compression force is generated when the display is mounted on the fixing clamp plate 41, after the compression force is generated, the compression spring 45 generates a rebound force, and the rebound force can enable the fixing clamp plate 41 to fix the display shell, so that the display is prevented from falling off or shaking inside the pull-out box 25.
After the installation is completed, the refrigerator 2 is installed at the top end of the refrigeration support frame 3, the refrigerator 2 is communicated with a power supply, the operation is started, cold air is manufactured, the cold air enters the display screen placing box 23 through the cold air pipeline 22, and the anti-vibration test of the liquid crystal display is simulated under the low-temperature environment.
In addition, the bottom of the isolation plate 28 is provided with a refrigeration plate 27, the refrigeration plate 27 is connected with the explosion-proof electric cabinet 18 through a wire, the refrigeration plate 27 is communicated with a power supply, and can also refrigerate, the bottom of the display screen placement box 23 is refrigerated, the display screen placement box 23 is subjected to low temperature and is transmitted to the bottom of the pull-out box 25, the top of the pull-out box 25 is communicated with the cold air pipeline 22, and the upper and lower sides are provided with a refrigeration device, so that the simulated low-temperature environment is more uniform in temperature.
After the environmental simulation is completed, the vibration motor 20 starts to be started, the vibration motor 20 generates vibration force, the vibration force is transmitted to the connecting shaft 17, and the connecting shaft 17 is arranged between the top ends of the first fixing plate 12 and the second fixing plate 15, so that the first fixing plate 12 and the second fixing plate 15 also receive the vibration force, at the moment, the vibration device 49 connected with one side of the first fixing plate 12 and one side of the second fixing plate 15 receives the vibration, the first telescopic rod 9 and the strong spring 8 vibrate up and down, the strong spring 8 can buffer the vibration force, and the whole device is prevented from being loose and damaged due to the vibration.
In vibration test operation, the staff can observe the inside condition of box 23 is placed to the display screen through ya keli observation board, when internal device goes wrong, can in time close the power, also can in time record liquid crystal display's in the antidetonation detects numerical variation and quality data.
After the vibration operation is finished, if the low-temperature simulated environment temperature is too low, so that frost is frozen in the condenser and on the display, the air blower 34 is arranged on the inner side of the first transverse plate 50, the second position sensor 36 is arranged at the top end of the air blower 34, the positions of the first position sensor 21 and the second position sensor 36 are correspondingly arranged, when the pull-out box 25 is positioned in the display screen placement box 23, the positions of the two sensors are corresponding, no influence is generated, when the pull-out box 25 needs to be pulled out, the position of the pull-out box 25 changes, the position of the second position sensor 36 changes, the first position sensor 21 cannot be sensed, at the moment, the second position sensor 36 transmits a signal to the air blower 34, the air blower 34 is started, the inside of the pull-out box 25 is blown, circulation of frost and internal cold air is quickened, and normal room temperature is quickly restored.
In addition, the first side wall 30 and the second side wall 31 are uniformly provided with a plurality of air outlets 32, so that circulation of cold air can be assisted, and blown wind power can blow off the inside of the display screen placement box 23 through the air outlets 32, so that air circulation speed is accelerated.
If the melted water drops appear in the pull-out box 25 and can flow out to the bottom end of the display screen placement box 23 through a plurality of water leakage holes formed in the bottom plate 47, the display screen placement box 23 is also provided with a second water leakage hole 48, so that the water drops can flow out of the box, the water drops are collected by the collecting box 13 arranged at the bottom end, in addition, the water leakage holes formed in the second water leakage hole 48 of the display screen placement box 23 and the bottom plate 47 are arranged in a staggered manner, when the display screen placement box 23 and the pull-out box 25 are combined, the water leakage holes are mutually shielded, a sealing effect is generated, and when the pull-out box 25 is pulled out, the shielding of the second water leakage hole 48 is lost, so that the water drops can fall down, in addition, the second water leakage hole 48 and the water leakage hole can be exchanged with external air, and the release speed of cold air is improved.
In addition, the top of bottom plate 47 is provided with cushion 37, and cushion 37 can protect the bottom of display, prevents bottom 47 and display direct contact, when leading to vibration test, the display shell appears damaging and collide with, and set up the first hole 38 that leaks of communicating top and bottom on the cushion 37, can help the frost to melt the downflow speed that the water droplet appears, avoid appearing the condition that the water droplet gathers.
The water drops that fall are finally collected by the collecting box 13, so that people can conveniently collect the water drops, trouble and labor are saved, and the workload of cleaning the inside of the device by the people is reduced.
Claims (7)
1. The utility model provides a liquid crystal display low temperature environment antidetonation testing arrangement, includes first bottom mount (4), second bottom mount (51), unable adjustment base (6), its characterized in that: the two sides of the top end of the fixed base (6) are respectively provided with a first bottom end fixing frame (4) and a second bottom end fixing frame (51), the top ends of the first bottom end fixing frame (4) and the second bottom end fixing frame (51) are respectively provided with a top plate (7), the two sides of the top ends of the two top plates (7) are respectively provided with a vibrating device (49), the inner sides of the two vibrating devices (49) are connected with a first fixed plate (12), the inner sides of the other two vibrating devices (49) are connected with a second fixed plate (15), the bottom ends of the first fixed plate (12) and the second fixed plate (15) are uniformly provided with a plurality of supporting seats (46), the support seat (46) is provided with a separation plate (28), the top end of the separation plate (28) is provided with a display screen placement box (23), one side of the display screen placement box (23) is provided with a groove, a pull-out box (25) is slidably installed in the groove, the top end of the top plate (7) is fixedly provided with a refrigeration support frame (3), the top end of the refrigeration support frame (3) is provided with a refrigerator (2), the refrigeration support frame (3) is installed on one side of two vibration devices (49), the bottom end of the refrigerator (2) is connected with a cold air pipeline (22), the bottom end of the cold air pipeline (22) is communicated with the inside of the display screen placement box (23), a connecting shaft (17) is arranged between the top ends of the first fixing plate (12) and the second fixing plate (15), and a vibration motor (20) is arranged on the connecting shaft (17);
the utility model discloses a portable air conditioner, including pull-out box (25), first lateral wall (30) and second lateral wall (31) are provided with respectively to the both sides of pull-out box (25), evenly set up a plurality of air outlets (32) on first lateral wall (30) and second lateral wall (31), the bottom of pull-out box (25) is provided with bottom plate (47), all set up a plurality of water leakage mouth on bottom plate (47), the top of bottom plate (47) is provided with cushion (37), set up first water leakage hole (38) of intercommunication top and bottom on cushion (37);
a plurality of water drop holes (29) are uniformly formed in the bottom end of the isolation plate (28), a refrigeration plate (27) is arranged at the bottom end of the isolation plate (28), and the refrigeration plate (27) is connected with the explosion-proof electric cabinet (18) through a wire;
the anti-skid display screen is characterized in that a collecting box (13) is arranged between the first bottom end fixing frame (4) and the second bottom end fixing frame (51), a shock pad (5) is arranged between the first bottom end fixing frame (4), the second bottom end fixing frame (51) and the fixed base (6), an anti-skid pad is arranged between the collecting box (13) and the fixed base (6), and a second water leakage hole (48) is formed in the bottom end of the display screen placing box (23).
2. The low-temperature environment vibration-resistant testing device for a liquid crystal display according to claim 1, wherein: one side that vibration device (49) are close to first fixed plate (12) and second fixed plate (15) all is provided with strengthening rib (14), vibration device (49) are including powerful spring (8), first telescopic link (9), U type frame (11), one side of U type frame (11) is connected on strengthening rib (14), the bottom of U type frame (11) is connected with first telescopic link (9), the bottom of U type frame (11) is connected in the top of roof (7), the outside cover of first telescopic link (9) has powerful spring (8), powerful spring (8) have the elasticity.
3. The low-temperature environment vibration-resistant testing device for a liquid crystal display according to claim 1, wherein: the refrigerator is characterized in that a first position sensor (21) is arranged on one side, close to the refrigerator (2), of the top end of the display screen placement box (23), the first position sensor (21) is arranged on one side of the cold air pipeline (22), the first position sensor (21) is arranged in a strip shape, an observation groove (24) is formed in one side, far away from the refrigerator (2), of the top end of the display screen placement box (23), and an acrylic observation plate is arranged on the top end inside the observation groove (24).
4. A low-temperature environment vibration-proof testing device for a liquid crystal display according to claim 3, wherein: the utility model discloses a fan, including first lateral wall (30) and second lateral wall (31), first lateral wall (30) and second lateral wall (31) are connected with first diaphragm (50) and second diaphragm (10) respectively, the inboard of first diaphragm (50) is provided with blower (34), the mouth of blowing of blower (34) is provided with inwards sunken protection network (35), the top of blower (34) is provided with second position sensor (36), the outside of second diaphragm (10) is provided with auxiliary handle (26).
5. The low-temperature environment vibration-resistant testing device for liquid crystal display according to claim 4, wherein: the two ends of the inner sides of the first side wall (30) and the second side wall (31) are respectively provided with a fixing device (33), each fixing device (33) comprises a connecting block (39), a telescopic plate (40), a fixing clamping plate (41), a protection pad (42), a pad disc (43), a second telescopic rod (44) and a compression spring (45), and the protection pads (42) are provided with three parts.
6. The low-temperature environment vibration-resistant testing device for liquid crystal display according to claim 5, wherein: one side of connecting block (39) is connected on first lateral wall (30), the middle part of first lateral wall (30) one side is kept away from to connecting block (39) is provided with expansion plate (40), one side of expansion plate (40) is provided with fixed splint (41), both sides are provided with second telescopic link (44) between expansion plate (40) and fixed splint (41), both ends of second telescopic link (44) all are provided with saucer (43), the outside cover of second telescopic link (44) has compression spring (45), one side that expansion plate (40) was kept away from to fixed splint (41) is provided with the concave shape opening, all is provided with protection pad (42) on the three face of concave shape opening.
7. The low-temperature environment vibration-resistant testing device for a liquid crystal display according to claim 1, wherein: fixed block (16) is fixedly installed on connecting axle (17), the top of fixed block (16) is provided with tight hoop, is provided with vibrating motor (20) in the tight hoop, vibrating motor (20) are connected with electric wire (19), the one end of electric wire (19) is connected with explosion-proof electric cabinet (18), explosion-proof electric cabinet (18) set up in one side on second bottom mount (51) top, and bearing frame (1) set up in the top of second bottom mount (51).
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| CN202403882U (en) * | 2010-10-01 | 2012-08-29 | 高马克公司 | Vibration pallet, test controller, vibration chamber, test system and multiple chamber test system |
| CN206876370U (en) * | 2017-04-18 | 2018-01-12 | 浙江华电器材检测研究所有限公司 | Fastener high/low temperature oscillation crosswise testing machine |
| CN107702876A (en) * | 2017-10-23 | 2018-02-16 | 佛山科学技术学院 | A kind of civil engineering structure shock test device |
| CN108956071B (en) * | 2018-07-06 | 2020-05-08 | 新乡学院 | Civil engineering structure anti-seismic test device |
| CN209296266U (en) * | 2018-12-21 | 2019-08-23 | 广东蚂标检测技术有限公司 | A kind of New LED vibration-testing tooling |
| CN109490352B (en) * | 2018-12-28 | 2021-07-09 | 中山大学 | Multi-factor low-temperature freezing rain icing environment simulation test system |
| CN210243129U (en) * | 2019-09-19 | 2020-04-03 | 莆田学院 | Civil engineering structure anti-seismic test device |
| CN113686530A (en) * | 2021-01-21 | 2021-11-23 | 安徽赛安安全设备有限责任公司 | Transformer bushing anti-seismic performance detection equipment |
| CN113405755B (en) * | 2021-08-20 | 2021-11-16 | 深圳泰思特半导体有限公司 | High-precision test system of solid state disk |
| CN114383795B (en) * | 2021-12-06 | 2023-06-30 | 西安理工大学 | Shock resistance detection device and method for electric tower equipment |
| CN115307856A (en) * | 2022-07-21 | 2022-11-08 | 浙江沐泽电子科技有限公司 | Low-temperature environment anti-seismic testing device and method for liquid crystal display |
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