CN216117851U

CN216117851U - Constant temperature vibration comprehensive environment stress screening box

Info

Publication number: CN216117851U
Application number: CN202122673632.2U
Authority: CN
Inventors: 王春晖; 陈锦荣; 孙世伟
Original assignee: Dongguan Desi Environment Instrument Co ltd
Current assignee: Dongguan Desi Environment Instrument Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-22
Anticipated expiration: 2031-11-03

Abstract

The utility model belongs to the technical field of stress screening boxes, and particularly relates to a constant-temperature vibration comprehensive environment stress screening box which comprises a box body, wherein a first sliding door is hinged and rotated on the front surface of the box body, an observation window is arranged in the first sliding door, a defogging mechanism is arranged on one side of the first sliding door, and a test cavity and an installation cavity are formed in the box body. According to the utility model, the air inlet shell is arranged, so that air with adjusted temperature and humidity can be discharged into the test cavity, temperature circulating stress is applied to the electronic product, the reliability of the electronic product is detected, the number of the baffles can be adjusted according to needs by arranging the fixing mechanism, so that the size of the air outlet can be adjusted, the phenomenon that the test airflow is dispersed unevenly to cause disorder of a temperature field due to too small area of the air outlet is avoided, the internal condition of the test cavity can be observed by arranging the observation window, and the water mist on the observation window can be wiped by arranging the defogging mechanism.

Description

Constant temperature vibration comprehensive environment stress screening box

Technical Field

The utility model relates to the technical field of stress screening boxes, in particular to a constant-temperature vibration comprehensive environment stress screening box.

Background

Environmental stress screening test is a process or method for testing the reliability of electronic products by applying temperature cycling stress to the electronic products to identify and reject early failures caused by product processes and components. Environmental stress test case carries out stress screening through quick temperature variation, but traditional stress screening case is when using, and the inconvenient size of adjusting the exit area of airing exhaust leads to experimental air current dispersion inhomogeneous, causes the temperature field disorder, simultaneously, when environmental stress test case's the inside and outside difference in temperature is great, easy fogging on the visual window influences normal observation, therefore we have proposed a constant temperature vibration comprehensive environment stress screening case and have solved the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a constant-temperature vibration comprehensive environment stress screening box, which solves the problems mentioned in the background technology.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a constant-temperature vibration comprehensive environment stress screening box comprises a box body, wherein a first sliding door is hinged to the front side of the box body, an observation window is installed inside the first sliding door, a demisting mechanism is arranged on one side of the first sliding door, a test chamber and an installation chamber are formed in the box body, a refrigerator is fixed inside the installation chamber, a water tank is fixed inside the installation chamber, a humidifier is fixed at the top of the water tank, the input end of the humidifier is communicated with the water tank, a compressor is fixed inside the installation chamber, an installation shell is fixed on the inner wall of the test chamber, the output ends of the humidifier and the compressor are both communicated with the installation shell, an evaporator and a heating wire are installed inside the installation shell, an air inlet shell is communicated with the top of the installation shell, a clamping groove is formed in the inner wall of the air inlet shell, and a baffle plate slides inside the clamping groove, one side of air inlet shell is provided with the fixed establishment who is used for fixed stop, the roof of test chamber is fixed with temperature sensor and humidity transducer, the outside of box is fixed with the controller, controller electric connection temperature sensor, humidity transducer, refrigerator, humidifier and compressor.

Further, defogging mechanism is including fixing the first fixed plate in first sliding door one side, the top of first fixed plate is fixed with waterproof motor, the output shaft end of waterproof motor is fixed with the threaded rod, one side of first sliding door is fixed with the second fixed plate, two be fixed with the straight-bar between the second fixed plate, the outside threaded connection of threaded rod has movable block and straight-bar sliding connection, one side of movable block is fixed with the rubber slab, one side of first sliding door is fixed with the water-collecting plate, the bottom intercommunication of water-collecting plate has hose and hose to run through first sliding door, controller electric connection waterproof motor.

Further, fixed establishment is including fixing the notch plate in air inlet housing one side, the inside threaded connection of notch plate has the screw thread bull stick, the one end of screw thread bull stick is fixed with the crank, the other end bearing of screw thread bull stick rotates there is the connecting plate, one side of connecting plate is fixed with gag lever post and notch plate sliding connection, the opposite side of connecting plate is fixed with the inserted bar, inserted bar and air inlet housing and baffle joint.

Furthermore, a second sliding door is hinged to the front face of the installation cavity, and a handle is fixed to one side of the second sliding door.

Furthermore, the bottom of box is fixed with universal auto-lock wheel, the quantity of universal auto-lock wheel is four.

(III) advantageous effects

Compared with the prior art, the utility model provides a constant-temperature vibration comprehensive environment stress screening box which has the following beneficial effects:

according to the utility model, through arranging the air inlet shell, the air with the temperature and humidity adjusted can be discharged into the test cavity, the temperature circulating stress is applied to the electronic product, the reliability of the electronic product is detected, through arranging the fixing mechanism, the number of the baffles can be adjusted according to the requirement, so that the size of the air outlet can be adjusted, the phenomenon that the test airflow is dispersed unevenly to cause the disorder of a temperature field due to too small area of the air outlet is avoided, through arranging the observation window, the internal condition of the test cavity can be observed, through arranging the defogging mechanism, the water mist on the observation window can be wiped, and the phenomenon that the normal observation is influenced by the fact that the water mist is attached to the observation window when the temperature difference between the inside and the outside of the environmental stress test box is large is avoided.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the internal structure of the case of the present invention;

FIG. 3 is a front view of the internal structure of the case of the present invention;

FIG. 4 is a schematic view of the connection between the inlet casing and the baffle of the present invention;

FIG. 5 is a schematic view of an inlet casing of the present invention;

FIG. 6 is a schematic view of a baffle of the present invention;

FIG. 7 is a schematic view of a securing mechanism of the present invention;

FIG. 8 is a schematic view of a defogging mechanism according to the present invention.

In the figure: 1. a box body; 2. a first sliding door; 3. an observation window; 4. a demisting mechanism; 401. a first fixing plate; 402. a waterproof motor; 403. a threaded rod; 404. a second fixing plate; 405. a straight rod; 406. a moving block; 407. a rubber plate; 408. a water collection plate; 409. a hose; 5. a test chamber; 6. a mounting cavity; 7. a refrigerator; 8. a water tank; 9. a humidifier; 10. a compressor; 11. mounting a shell; 12. an air inlet housing; 13. a baffle plate; 14. a fixing mechanism; 1401. a concave plate; 1402. a threaded rotating rod; 1403. a connecting plate; 1404. a limiting rod; 1405. inserting a rod; 15. a temperature sensor; 16. a humidity sensor; 17. a controller; 18. a second sliding door; 19. a universal self-locking wheel; 20. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, an embodiment of the utility model provides a constant-temperature vibration comprehensive environmental stress screening box, which comprises a box body 1, a first sliding door 2 is hinged on the front surface of the box body 1, an observation window 3 is installed inside the first sliding door 2, a defogging mechanism 4 is arranged on one side of the first sliding door 2, a test chamber 5 and a mounting chamber 6 are arranged inside the box body 1, a refrigerator 7 is fixed inside the mounting chamber 6, a water tank 8 is fixed inside the mounting chamber 6, a humidifier 9 is fixed on the top of the water tank 8, an input end of the humidifier 9 is communicated with the water tank 8, a compressor 10 is fixed inside the mounting chamber 6, a mounting shell 11 is fixed on the inner wall of the test chamber 5, output ends of the humidifier 9 and the compressor 10 are both communicated with the mounting shell 11, an evaporator and a heating wire are installed inside the mounting shell 11, the top of the mounting shell 11 is communicated with an air inlet shell 12, the inner wall of the air inlet shell 12 is provided with a clamping groove 20, a baffle 13 is arranged in the clamping groove 20 in a sliding manner, one side of the air inlet shell 12 is provided with a fixing mechanism 14 for fixing the baffle 13, the top wall of the test chamber 5 is fixed with a temperature sensor 15 and a humidity sensor 16, the outer side of the box body 1 is fixed with a controller 17, the controller 17 is electrically connected with the temperature sensor 15, the humidity sensor 16, the refrigerator 7, the humidifier 9 and the compressor 10, it should be noted that, when in use, the number of the baffles 13 is adjusted by the fixing mechanism 14 according to the needs of a user, so as to control the size of the vent, the first sliding door 2 is opened, an electronic product is placed in the test chamber 5, water is poured into the water tank 8, the refrigerator 7, the water tank 8 and the compressor 10 are started, and moisture and refrigerated air are sucked into the mounting shell 11 through the humidifier 9 and the compressor 10, through setting up at the inside evaporimeter of installation shell 11, the heater strip is humidifying and is adjusted the temperature, make humidifying and the air after adjusting the temperature discharge from the gas vent of air inlet shell 12, apply temperature cycle stress on the electronic product, carry out the reliability to the electronic product and detect, through observation window 3, can observe the inside condition of test chamber 5, when the inside and outside difference in temperature of environmental stress test box is great, water smoke can appear on the observation window 3, utilize defogging mechanism 4, get rid of water smoke, be convenient for observe, monitor the inside temperature and humidity of test chamber 5 through temperature sensor 15 and humidity transducer 16, and transmit the signal of monitoring for controller 17, and show on the display screen of controller 17.

As shown in fig. 8, in some embodiments, the defogging mechanism 4 includes a first fixing plate 401 fixed on one side of the first sliding door 2, a waterproof motor 402 is fixed on the top of the first fixing plate 401, a threaded rod 403 is fixed on an output shaft end of the waterproof motor 402, a second fixing plate 404 is fixed on one side of the first sliding door 2, a straight rod 405 is fixed between the two second fixing plates 404, a moving block 406 is connected to an outer side of the threaded rod 403 in a threaded manner and the moving block 406 is slidably connected to the straight rod 405, a rubber plate 407 is fixed on one side of the moving block 406, a water collecting plate 408 is fixed on one side of the first sliding door 2, a hose 409 is communicated with the bottom of the water collecting plate 408 and penetrates through the first sliding door 2, the controller 17 is electrically connected to the waterproof motor 402, it should be noted that, when the water fog needs to be removed, the waterproof motor 402 is started, the waterproof motor 402 drives the threaded rod 403 to rotate, and cooperates with the straight rod 405 to limit function, thereby drive rubber slab 407 and movable block 406 and upwards or move down, will be stained with the water smoke of attaching on observation window 3 and get rid of, water smoke condenses into the water droplet and falls into water-collecting plate 408 to flow out through hose 409, can collect the water source, put into water tank 8 with it again, can reduce the consumption of water resource, reinforcing feature of environmental protection.

As shown in fig. 4, 5, 6 and 7, in some embodiments, the fixing mechanism 14 includes a concave plate 1401 fixed on one side of the intake casing 12, a threaded rotating rod 1402 is connected to the concave plate 1401 by internal threads, a crank is fixed on one end of the threaded rotating rod 1402, a connecting plate 1403 is rotatably supported on the other end of the threaded rotating rod 1402, a stopper 1404 is fixed on one side of the connecting plate 1403, the stopper 1404 is slidably connected to the concave plate 1401, an inserting rod 1405 is fixed on the other side of the connecting plate 1403, the inserting rod 1405 is engaged with the intake casing 12 and the baffle 13, it should be noted that when the size of the air outlet needs to be adjusted, the crank is shaken to rotate the threaded rotating rod 1402, the connecting plate 1403 and the inserting rod 1405 are driven to move backwards due to the limiting action of the stopper 1404, the baffle 13 is separated from the intake casing 12, then the baffle 13 is pulled out of the slot 20, the number of baffles 13 can be changed as required, thereby controlling the size of the air outlet.

In some embodiments, as shown in fig. 1, the front side of the installation cavity 6 is hinged with a second sliding door 18, and a handle is fixed on one side of the second sliding door 18, and it should be noted that by opening the second sliding door 18, the devices inside the installation cavity 6 can be repaired.

As shown in fig. 1, in some embodiments, the bottom of the box body 1 is fixed with universal self-locking wheels 19, and the number of the universal self-locking wheels 19 is four, it should be noted that the box body 1 can be moved by the universal self-locking wheels 19, so as to enhance flexibility.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a constant temperature vibration combined environment stress screening case, includes box (1), its characterized in that: the refrigerator is characterized in that a first sliding door (2) is arranged on the front hinge of the box body (1) in a rotating mode, an observation window (3) is arranged inside the first sliding door (2), a demisting mechanism (4) is arranged on one side of the first sliding door (2), a test chamber (5) and an installation chamber (6) are arranged inside the box body (1), a refrigerator (7) is fixed inside the installation chamber (6), a water tank (8) is fixed inside the installation chamber (6), a humidifier (9) is fixed at the top of the water tank (8), the input end of the humidifier (9) is communicated with the water tank (8), a compressor (10) is fixed inside the installation chamber (6), an installation shell (11) is fixed on the inner wall of the test chamber (5), the output ends of the humidifier (9) and the compressor (10) are communicated with the installation shell (11), an evaporator and heating wires are arranged inside the installation shell (11), the top intercommunication of installation shell (11) has air inlet shell (12), draw-in groove (20) have been seted up to the inner wall of air inlet shell (12), the inside slip of draw-in groove (20) has baffle (13), one side of air inlet shell (12) is provided with fixed establishment (14) that are used for fixed baffle (13), the roof of test chamber (5) is fixed with temperature sensor (15) and humidity transducer (16), the outside of box (1) is fixed with controller (17), controller (17) electric connection temperature sensor (15), humidity transducer (16), refrigerator (7), humidifier (9) and compressor (10).

2. The constant-temperature vibration comprehensive environment stress screening box according to claim 1, characterized in that: the demisting mechanism (4) comprises a first fixing plate (401) fixed on one side of the first sliding door (2), a waterproof motor (402) is fixed at the top of the first fixing plate (401), a threaded rod (403) is fixed at the output shaft end of the waterproof motor (402), a second fixing plate (404) is fixed on one side of the first sliding door (2), a straight rod (405) is fixed between the two second fixing plates (404), the outer side of the threaded rod (403) is in threaded connection with a moving block (406), the moving block (406) is in sliding connection with the straight rod (405), a rubber plate (407) is fixed on one side of the moving block (406), a water collecting plate (408) is fixed on one side of the first sliding door (2), the bottom of water-collecting plate (408) communicates hose (409) and hose (409) run through first sliding door (2), controller (17) electric connection waterproof motor (402).

3. The constant-temperature vibration comprehensive environment stress screening box according to claim 1, characterized in that: fixed establishment (14) are including fixing at gib block (1401) of admitting air shell (12) one side, the inside threaded connection of gib block (1401) has screw bull stick (1402), the one end of screw bull stick (1402) is fixed with the crank, the other end bearing of screw bull stick (1402) rotates there is connecting plate (1403), one side of connecting plate (1403) is fixed with gag lever post (1404) and gib block (1401) sliding connection, the opposite side of connecting plate (1403) is fixed with inserted bar (1405), inserted bar (1405) and admit air shell (12) and baffle (13) joint.

4. The constant-temperature vibration comprehensive environment stress screening box according to claim 1, characterized in that: and a second sliding door (18) is hinged to the front side of the mounting cavity (6), and a handle is fixed on one side of the second sliding door (18).

5. The constant-temperature vibration comprehensive environment stress screening box according to claim 1, characterized in that: the bottom of box (1) is fixed with universal auto-lock wheel (19), the quantity of universal auto-lock wheel (19) is four.