CN213408719U

CN213408719U - High-low temperature alternating test box

Info

Publication number: CN213408719U
Application number: CN202021302987.XU
Authority: CN
Inventors: 杨千华
Original assignee: China Seventh Institute Of Testing Technology Nanjing Co ltd
Current assignee: China Seventh Institute Of Testing Technology Nanjing Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-11
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a high low temperature alternation proof box relates to alternation proof box technical field, and in the refrigeration heating structure of high low temperature alternation proof box inside for solving among the prior art was mostly in same space, this kind of structure leads to when carrying out the program setting, and temperature exchange time overlength between cold and hot, the unable simulation extremely send the problem of the experiment operation under the environment. The alternating test box comprises a case module, a test module and a control module, wherein the test module is located above the case module, the control module is located above the test module, a heat dissipation window plate is arranged on the outer side of the case module, a heat dissipation grid is arranged on the surface of the heat dissipation window plate, a seal box door is arranged on the outer side of the test module, the seal box door is connected with the alternating test box through a rotating shaft, an observation window is arranged on the outer surface of the seal box door, a catching groove handle is arranged on one side of the observation window, and a fixed locking block is arranged on one side of the seal box door.

Description

High-low temperature alternating test box

Technical Field

The utility model relates to an alternation proof box technical field specifically is high low temperature alternation proof box.

Background

The alternating test box can simulate atmospheric environment change, detects whether the product has a fault after certain temperature and humidity change, whether the quality changes, whether can normally work and other conditions, is suitable for the performance test of aerospace products, information electronic instrument and meter, electronic components, plastic products, metal and the like, and the test result can be used as the basis of designing and improving the product quality.

However, most of the refrigeration and heating structures in the existing high-low temperature alternating test box are located in the same space, and due to the structure, when the program is set, the temperature exchange time between cold and hot temperatures is too long, so that the experimental operation under the extreme environment cannot be simulated; therefore, the existing requirements are not met, and a high-low temperature alternating test box is proposed for the high-low temperature alternating test box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide high low temperature alternation proof box to solve the inside refrigeration heating structure of high low temperature alternation proof box that provides in the above-mentioned background art and be in mostly in same space, this kind of structure leads to when carrying out the form setting, and temperature exchange time overlength between cold and hot, the unable simulation extremely send the problem of the experiment operation under the environment.

In order to achieve the above object, the utility model provides a following technical scheme: high low temperature alternation proof box, including the experimental box of alternation, the experimental box of alternation includes quick-witted case module, test module and control module, test module is located quick-witted case module's top, and control module is located test module's top, the outside of quick-witted case module is provided with heat dissipation luffer boards, and the surface of heat dissipation luffer boards is provided with the heat dissipation grid, test module's the outside is provided with sealed chamber door, and sealed chamber door and the experimental box of alternation are connected through the pivot, the surface of sealed chamber door is provided with the observation window, and one side of observation window is provided with the catching groove handle, one side of sealed chamber door is provided with fixed locking piece, and fixed locking piece passes through the screw with the sealed chamber door and be connected, control module's surface is provided with the control screen, and the control screen sets up to touch structure, one side of.

Preferably, one side of the fixed locking block is provided with a movable lock catch, the movable lock catch is connected with the fixed locking block through a lock rod, and the movable lock catch is connected with the alternating test box body through a screw.

Preferably, a power switch is arranged above one side of the alternating test box body, a water filling port is arranged below one side of the alternating test box body, and a liquid level pipe is arranged below the water filling port.

Preferably, the inside of test module is provided with the test chamber, and the test chamber sets up to circular structure, the inside of test chamber is provided with the article tray, and article tray passes through the leg joint with the test chamber.

Preferably, the left and right sides in test chamber all is provided with the electrical heating piece, and the electrical heating piece is connected with the test chamber laminating, the upper and lower both sides in test chamber all are provided with the heat-insulating machine box.

Preferably, the bottom of the test chamber is provided with a lower refrigerating air port, the top of the test chamber is provided with a humidity nozzle, and the two sides of the humidity nozzle are provided with upper refrigerating air ports.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a test chamber is circular structure, its inner wall is made with the metal material of high thermal conductivity, and circular structure can be even the external heat of absorption, the electric heating piece that is used for the heating is located the left and right sides of test chamber, and laminate mutually with the circular structure of test chamber, can heat up rapidly after the circular structure is electrified to be started, the heat that produces can transmit whole test chamber, thereby make the temperature of test chamber inside rise to the settlement temperature rapidly, adopt indirect heating's mode to carry out high temperature detection to the component in the test chamber, and be used for refrigerated refrigeration wind gap to be located the upper and lower both sides of test chamber inside, because the conductivity of air conditioning to the metal will be less than the heat, so need set up the refrigeration wind gap in the test chamber inside, after the heating, refrigeration wind gap blows the department air conditioning and enters into the test chamber, and the air conditioning that gets into directly contacts with the component, thus achieving alternating detection in extreme environment in a short time.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall side view of the present invention;

fig. 3 is a schematic diagram of the structure of the test chamber of the present invention.

In the figure: 1. alternating test box bodies; 2. a chassis module; 3. a heat dissipating window panel; 4. a test module; 5. sealing the box door; 6. a buckle slot handle; 7. an observation window; 8. fixing the locking block; 9. a control module; 10. a control screen; 11. a control key; 12. a water injection port; 13. a liquid level tube; 14. a movable lock catch; 15. a power switch; 16. a test chamber; 17. an article tray; 18. a thermal insulation machine box; 19. a lower refrigerating air port; 20. an upper refrigerating air port; 21. a humidity sprayer; 22. and (4) electrically heating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the high-low temperature alternating test box comprises an alternating test box body 1, wherein the alternating test box body 1 comprises a case module 2, a test module 4 and a control module 9, the test module 4 is positioned above the case module 2, the control module 9 is positioned above the test module 4, a refrigerating and atomizing unit is arranged inside the case module 2, a radiating window plate 3 is arranged outside the case module 2, a radiating grid is arranged on the surface of the radiating window plate 3 to facilitate the radiating operation of an internal working unit, a sealing box door 5 is arranged outside the test module 4, the sealing box door 5 is connected with the alternating test box body 1 through a rotating shaft to ensure the sealing performance of a test environment, an observation window 7 is arranged on the outer surface of the sealing box door 5, the test process can be observed from the outside through the observation window 7, a catching groove handle 6 is arranged on one side of the observation window 7, and a fixed locking block 8 is arranged on one side, and fixed locking piece 8 passes through bolted connection with sealed chamber door 5, strengthens stability, and the surface of control module 9 is provided with control screen 10, and control screen 10 sets up to touch structure, and control screen 10 can carry out the settlement of temperature and humidity to and the selection of operating mode, and one side of control screen 10 is provided with control button 11.

Further, one side of the fixed locking block 8 is provided with a movable lock catch 14, the movable lock catch 14 is connected with the fixed locking block 8 through a lock rod, the movable lock catch 14 is connected with the alternating test box body 1 through a screw, and after the sealing box door 5 is closed, the lock rod on the movable lock catch 14 is sleeved on the fixed locking block 8, so that the sealing box door 5 and the alternating test box body 1 are locked together.

Further, the top of the experimental box of reversal 1 one side is provided with switch 15, the switch of the experimental box of control whole reversal 1, the below of the experimental box of reversal 1 one side is provided with water filling port 12, after outwards pulling out water filling port 12, can carry out the water injection toward the inside water tank of quick-witted case module 2, the inside water of water tank is used for providing humidity control unit and uses, and the below of water filling port 12 is provided with liquid level pipe 13, the inside water level of feedback water tank that can be audio-visual.

Further, the inside of test module 4 is provided with test chamber 16, and test chamber 16 sets up to circular structure, and the inner wall of test chamber 16 adopts the metal material of high heat conductivity to make, and test chamber 16 of circular structure can be even absorb external heat, later with the even distribution of heat in test chamber 16's inside again, the equilibrium of guarantee temperature, the inside of test chamber 16 is provided with article tray 17, the component that will detect is placed in article tray 17, and article tray 17 passes through leg joint with test chamber 16.

Further, the left and right sides of test chamber 16 all is provided with electrical heating block 22, and electrical heating block 22 is connected with the laminating of test chamber 16, electrical heating block 22 is located the left and right sides of test chamber 16, and laminate mutually with the circular structure of test chamber 16, can heat up rapidly after electrical heating block 22 circular telegram starts, the heat of production can be transmitted for whole test chamber 16, thereby make the inside temperature of test chamber 16 rise to the settlement temperature rapidly, adopt indirect heating's mode to carry out high temperature detection to the component in test chamber 16, the upper and lower both sides of test chamber 16 all are provided with thermal insulation machine box 18, thermal insulation machine box 18's inside is provided with refrigeration pipeline and humidity pipeline, thermal insulation machine box 18 can reduce the influence of heat to inside pipeline to the at utmost.

Further, the bottom of test chamber 16 is provided with down refrigeration wind gap 19, the top of test chamber 16 is provided with humidity shower nozzle 21, and the both sides of humidity shower nozzle 21 all are provided with refrigeration wind gap 20, then be provided with the refrigeration wind gap in the inside upper and lower both sides of test chamber 16, because air conditioning will be less than the heat to the conductivity of metal, so need set up the refrigeration wind gap inside test chamber 16, be provided with humidity shower nozzle 21 simultaneously between last refrigeration wind gap 20, can simulate the humidity requirement in the environment, when carrying out the heat exchange, after the heating, the refrigeration wind gap blows the department air conditioning and gets into in test chamber 16, and the air conditioning that gets into directly contacts with the component that just passes through the high temperature, thereby reach the alternation under the extremely close environment and detect.

The working principle is as follows: when the device is used, elements to be detected are placed in the article tray 17 in the test cavity 16, the test cavity 16 is of a circular structure, the inner wall of the test cavity is made of high-thermal-conductivity metal materials, the circular structure can uniformly absorb external heat, then the heat is uniformly distributed in the test cavity 16 to ensure the temperature balance, then a program test mode is selected through the control screen 10, the alternating test box body 1 can be automatically switched according to multiple set temperatures in the program mode, the electric heating blocks 22 for heating are positioned at the left side and the right side of the test cavity 16 and are attached to the circular structure of the test cavity 16, the temperature can be rapidly increased after the electric heating blocks 22 are electrified and started, the generated heat can be transferred to the whole test cavity 16, so that the temperature in the test cavity 16 can be rapidly increased to the set temperature, and the elements in the test cavity 16 can be detected in a high-temperature mode by adopting indirect heating, the refrigerating air ports for refrigeration are located on the upper side and the lower side of the interior of the test cavity 16, because the conductivity of cold air to metal is lower than that of heat, the refrigerating air ports need to be arranged in the interior of the test cavity 16, after heating is finished, cold air at the blowing position of the refrigerating air ports enters the test cavity 16, the entering cold air is directly contacted with an element which just passes through high temperature, and therefore alternating detection under an extremely environment is achieved, and meanwhile, a humidity spray head 21 is arranged between the upper refrigerating air ports 20, and the humidity requirement in the environment can be simulated.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. High low temperature alternation proof box, including alternation proof box (1), its characterized in that: the alternating test box body (1) comprises a box module (2), a test module (4) and a control module (9), wherein the test module (4) is positioned above the box module (2), the control module (9) is positioned above the test module (4), a radiating window plate (3) is arranged on the outer side of the box module (2), a radiating grating is arranged on the surface of the radiating window plate (3), a sealing box door (5) is arranged on the outer side of the test module (4), the sealing box door (5) is connected with the alternating test box body (1) through a rotating shaft, an observation window (7) is arranged on the outer surface of the sealing box door (5), a catching groove handle (6) is arranged on one side of the observation window (7), a fixed lock block (8) is arranged on one side of the sealing box door (5), and the fixed lock block (8) is connected with the sealing box door (5) through a screw, the outer surface of the control module (9) is provided with a control screen (10), the control screen (10) is of a touch structure, and one side of the control screen (10) is provided with a control key (11).

2. The high-low temperature alternating test chamber according to claim 1, wherein: one side of fixed locking piece (8) is provided with movable hasp (14), and movable hasp (14) passes through the locking lever with fixed locking piece (8) and is connected, movable hasp (14) passes through the screw connection with alternation test box (1).

3. The high-low temperature alternating test chamber according to claim 1, wherein: the device is characterized in that a power switch (15) is arranged above one side of the alternating test box body (1), a water filling port (12) is arranged below one side of the alternating test box body (1), and a liquid level pipe (13) is arranged below the water filling port (12).

4. The high-low temperature alternating test chamber according to claim 1, wherein: the inside of test module (4) is provided with test chamber (16), and test chamber (16) sets up to circular structure, the inside of test chamber (16) is provided with article tray (17), and article tray (17) pass through leg joint with test chamber (16).

5. The high-low temperature alternating test chamber according to claim 4, wherein: the left and right sides in test chamber (16) all is provided with electrical heating piece (22), and electrical heating piece (22) and test chamber (16) laminating are connected, the upper and lower both sides in test chamber (16) all are provided with heat-insulating machine box (18).

6. The high-low temperature alternating test chamber according to claim 5, wherein: the bottom of the test cavity (16) is provided with a lower refrigerating air port (19), the top of the test cavity (16) is provided with a humidity spray head (21), and two sides of the humidity spray head (21) are provided with upper refrigerating air ports (20).