CN215655200U

CN215655200U - Double-layer high-low temperature damp-heat test box for battery

Info

Publication number: CN215655200U
Application number: CN202122059652.0U
Authority: CN
Inventors: 范洪峰; 高晖; 唐玉龙; 顾强; 杨雪云
Original assignee: Wuxi Pajie Science & Technology Co ltd
Current assignee: Wuxi Pajie Science & Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a double-layer high-low temperature damp-heat test box for a battery, wherein a separation layer is arranged in a box body, and an inner cavity of the box body is divided into a lower test chamber and an upper test chamber; the lower test chamber is provided with a lower refrigerating set; the lower test chamber and the upper test chamber are respectively provided with an evaporator, and the evaporator is connected with the lower refrigeration unit and the upper refrigeration unit. The utility model is divided into an upper test chamber and a lower test chamber by the separation layer, the upper test chamber and the lower test chamber are respectively controlled by the independent refrigerating units, the test samples can be respectively and independently tested, the test speed is improved for the test samples with larger quantity, and the test period is shortened; and two upper and lower test chambers are stacked and arranged in a box body, so that the floor area of a test site is saved, and the requirement on the area of the test site is reduced.

Description

Double-layer high-low temperature damp-heat test box for battery

Technical Field

The utility model relates to the field of high and low temperature test instruments, in particular to a double-layer high and low temperature damp heat test box for a battery.

Background

The high-low temperature damp-heat test chamber is a test device for simulating atmospheric climate environment, is widely applied to the fields of aerospace products, electronic instruments, materials, electrical and electronic products, various electronic components and the like, and is used for simulating and testing various performance indexes of products.

The existing high-low temperature damp-heat test box is generally of a single-layer structure, each layer is only provided with one test inner box, the test speed is low and the test period is long for a large number of test samples; in order to improve the testing speed and shorten the testing period, two or more test boxes are adopted for testing simultaneously, but each test box needs to occupy the area of a testing field, and the requirement on the area of the testing field is higher.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects of the existing high-low temperature damp-heat test box, provides a double-layer high-low temperature damp-heat test box for the battery with a reasonable structure, improves the test speed, shortens the test period, saves the occupied area and reduces the area requirement on the test field.

The technical scheme adopted by the utility model is as follows:

a double-layer high-low temperature damp-heat test box for a battery is characterized in that a separating layer is arranged in a box body and divides an inner cavity of the box body into a lower test chamber and an upper test chamber; the lower test chamber is provided with a lower refrigerating unit, and the lower refrigerating unit comprises a lower refrigerating system, a lower humidifier and a lower centrifugal fan; the upper test chamber is provided with an upper refrigerating set, and the upper refrigerating set comprises an upper refrigerating system, an upper humidifier and an upper centrifugal fan; the lower test chamber and the upper test chamber are respectively provided with an evaporator, and the evaporator is connected with the lower refrigeration unit and the upper refrigeration unit.

As a further improvement of the above technical solution:

the separate layer is the heat preservation, can dismantle the connection on the box.

The lower refrigeration group is communicated with the upper refrigeration group.

The air outlets of the lower test chamber and the upper test chamber are arranged at the lower part, and the air return inlet is arranged at the upper part.

One side of the box body is respectively and independently provided with a lower box door and an upper box door corresponding to the lower test chamber and the upper test chamber.

The lower box door and the upper box door are respectively provided with an electromagnetic lock, an observation window and a display screen; a stainless steel net is arranged outside the observation window; the lower box door and the upper box door are fixedly connected to the box body through a plurality of hinges respectively.

The lower test chamber and the upper test chamber are internally provided with a temperature sensor and an antistatic test article rack respectively.

The lower test chamber and the upper test chamber are respectively provided with a pressure relief door and a threading hole.

The lower test chamber and the upper test chamber are respectively connected with an air pump, a combustible gas detection device, a smoke detection device and a radiator in sequence; the lower test chamber and the upper test chamber are also respectively connected with a fire extinguishing device through an electric valve.

The top of the box body is provided with a three-color lamp.

The utility model has the following beneficial effects:

the utility model is divided into an upper test chamber and a lower test chamber by the separation layer, the upper test chamber and the lower test chamber are respectively controlled by the independent refrigerating units, the test samples can be respectively and independently tested, the test speed is improved for the test samples with larger quantity, and the test period is shortened; and two upper and lower test chambers are stacked and arranged in a box body, so that the floor area of a test site is saved, and the requirement on the area of the test site is reduced. The separate layer is for dismantling the connection, can demolish as required, makes test chamber and test chamber merge into a whole test chamber down, makes things convenient for the test of big subassembly, has expanded the range of application.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. a box body; 2. a separation layer; 3. a lower test chamber; 4. an upper test chamber; 5. a lower box door; 6. an upper box door; 7. a hinge; 8. an electromagnetic lock; 9. a refrigeration unit; 91. a lower refrigeration system; 92. a lower humidifier; 93. a lower centrifugal fan; 94. an upper refrigeration system; 95. an upper humidifier; 96. an upper centrifugal fan; 10. a pressure relief door; 11. an evaporator; 12. a three-color lamp; 13. an observation window; 14. a display screen; 15. threading holes; 16. a temperature sensor; 17. a sample rack; 18. an air pump; 19. a combustible gas detection device; 20. a smoke detection device; 21. a heat sink; 22. a fire extinguishing device; 23. an electrically operated valve; 24. an electric valve.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, a separating layer 2 is horizontally arranged in a box body 1 of the utility model, and the inner cavity of the box body 1 is divided into a lower testing chamber 3 and an upper testing chamber 4; separate layer 2 is the heat preservation, can dismantle the connection on box 1. A lower box door 5 and an upper box door 6 are respectively and independently arranged on one side of the box body 1 corresponding to the lower test chamber 3 and the upper test chamber 4, and the lower box door 5 and the upper box door 6 are respectively and fixedly connected to the box body 1 through a plurality of hinges 7; the lower box door 5 and the upper box door 6 are respectively and independently provided with an electromagnetic lock 8, an observation window 13 and a display screen 14, the electromagnetic lock 8 is used for locking the lower box door 5/the upper box door 6, when the test box runs, the electromagnetic lock 8 is attracted and prohibited to be opened, and meanwhile, the door is effectively prevented from being opened due to overlarge internal pressure of the lower test chamber 3 and the upper test chamber 4; the observation window 13 is used for observing the test condition in the lower test chamber 3/the upper test chamber 4, and the stainless steel net protection is arranged outside the observation window 13; the display screen 14 is used for displaying real-time test parameters in the lower test chamber 3/the upper test chamber 4.

A refrigerating unit 9 is arranged on one side of the box body 1, and the refrigerating unit 9 is positioned on the other side opposite to the lower box door 5/the upper box door 6. The refrigerating unit 9 comprises a lower refrigerating unit connected to the lower test chamber 3 and an upper refrigerating unit connected to the upper test chamber 4, the lower refrigerating unit comprises a lower refrigerating system 91, a lower humidifier 92 and a lower centrifugal fan 93, the upper refrigerating unit comprises an upper refrigerating system 94, an upper humidifier 95 and an upper centrifugal fan 96, the lower refrigerating unit and the upper refrigerating unit can independently operate and respectively refrigerate the lower test chamber 3 and the upper test chamber 4, the lower refrigerating unit and the upper refrigerating unit can also be communicated, and when one refrigerating unit of the lower refrigerating unit and the one refrigerating unit of the upper refrigerating unit fails, the other refrigerating unit can supplement and refrigerate the lower test chamber 3 and the upper test chamber 4 at the same time. The air outlets of the lower test chamber 3 and the upper test chamber 4 are arranged on the lower part, the air return inlet is arranged on the upper part, the mode of air outlet on the lower part and air return on the upper part is adopted, the air circulation direction is consistent with the heating direction of the test sample piece, and the heat dissipation of the test sample piece is facilitated.

The lower test chamber 3 and the upper test chamber 4 are respectively internally provided with a temperature sensor 16 and an antistatic test article frame 17, the temperature sensor 16 is used for monitoring the temperature of a sample during test in real time, and the test article frame 17 can effectively prevent ignition or explosion caused by static electricity after antistatic treatment. The lower test chamber 3 and the upper test chamber 4 are respectively and independently provided with a pressure relief door 10, an evaporator 11 and a threading hole 15; the pressure relief door 10 automatically opens for pressure relief when the pressure in the box is overhigh; the evaporator 11 is connected with the lower refrigeration unit/the upper refrigeration unit and used for refrigerating the lower test chamber 3/the upper test chamber 4; the threading hole 15 is used for leading out a line. Teflon is sprayed on the inner walls of the test sample rack 17 and the box body 1.

The lower test chamber 3 and the upper test chamber 4 are respectively connected with an air pump 18, a combustible gas detection device 19, a smoke detection device 20 and a radiator 21 in sequence. The device is also provided with a fire extinguishing device 22, the fire extinguishing device 22 is connected with the lower testing chamber 3 through an electric valve 23 and connected with the upper testing chamber 4 through an electric valve 24, and the electric valve 23 and the electric valve 24 respectively control the lower testing chamber 3 and the upper testing chamber 4 to extinguish fire. The top of the box body 1 is provided with a three-color lamp 12, and when the test box is abnormal, the control system turns on the three-color lamp 12 to prompt a worker to take reasonable operation as soon as possible. When the lower test chamber 3 and the upper test chamber 4 are on fire, the fire extinguishing device 22 is filled with fire extinguishing agents such as carbon dioxide, heptafluoropropane and perfluorohexanone to extinguish the fire source in time, so that greater loss is avoided; meanwhile, the air pump 18 continuously pumps the gas in the lower test chamber 3 and the upper test chamber 4, and the combustible gas detection device 19 is damaged in a high-temperature or low-temperature environment, so that the high-temperature or low-temperature gas is firstly cooled or heated by the radiator 21, and then the combustible gas detection device 19 and the smoke detection device 20 detect the content of combustible gas and smoke in the lower test chamber 3 and the upper test chamber 4; when the concentration of combustible gas in the lower test chamber 3 and the upper test chamber 4 exceeds the limit, the concentration of smoke exceeds the limit, the temperature of a test article exceeds the limit, and the pressure relief door 10 is opened, wherein the alarm is more than or equal to 2, the equipment stops running, the three-color lamp 12 gives an alarm, and the fire extinguishing agent is introduced into the lower test chamber 3 and the upper test chamber 4 to extinguish fire.

The utility model is divided into an upper test chamber and a lower test chamber by the separation layer 2, the upper test chamber and the lower test chamber are respectively controlled by the independent refrigerating units, the test samples can be respectively and independently tested, the test speed is improved for the test samples with larger quantity, and the test period is shortened; and two upper and lower test chambers are stacked and arranged in one box body 1, so that the floor area of a test site is saved, and the requirement on the area of the test site is reduced. Separate layer 2 is for dismantling the connection, can demolish as required, makes test chamber 3 and last test chamber 4 merge into a whole test chamber down, makes things convenient for the test of big subassembly, has expanded application range.

The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, as the utility model may be modified in any manner without departing from the spirit thereof.

Claims

1. The utility model provides a double-deck high low temperature damp heat test case for battery which characterized in that: a separation layer (2) is arranged in the box body (1) to divide the inner cavity of the box body (1) into a lower test chamber (3) and an upper test chamber (4); the lower test chamber (3) is provided with a lower refrigerating set, and the lower refrigerating set comprises a lower refrigerating system (91), a lower humidifier (92) and a lower centrifugal fan (93); the upper test chamber (4) is provided with an upper refrigerating set, and the upper refrigerating set comprises an upper refrigerating system (94), an upper humidifier (95) and an upper centrifugal fan (96); evaporators (11) are respectively arranged in the lower test chamber (3) and the upper test chamber (4), and the evaporators (11) are connected with the lower refrigeration unit and the upper refrigeration unit.

2. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the separation layer (2) is a heat-insulating layer and is detachably connected to the box body (1).

3. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the lower refrigeration group is communicated with the upper refrigeration group.

4. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the air outlets of the lower test chamber (3) and the upper test chamber (4) are arranged at the lower part, and the air return inlet is arranged at the upper part.

5. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: one side of the box body (1) is provided with a lower box door (5) and an upper box door (6) respectively and independently corresponding to the lower test chamber (3) and the upper test chamber (4).

6. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 5, wherein: the lower box door (5) and the upper box door (6) are respectively provided with an electromagnetic lock (8), an observation window (13) and a display screen (14); a stainless steel net is arranged outside the observation window (13); the lower box door (5) and the upper box door (6) are fixedly connected to the box body (1) through a plurality of hinges (7) respectively.

7. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the lower test chamber (3) and the upper test chamber (4) are respectively internally provided with a temperature sensor (16) and an antistatic test article rack (17).

8. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the lower test chamber (3) and the upper test chamber (4) are respectively provided with a pressure relief door (10) and a threading hole (15).

9. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the lower test chamber (3) and the upper test chamber (4) are respectively connected with an air pump (18), a combustible gas detection device (19), a smoke detection device (20) and a radiator (21) in sequence; the lower test chamber (3) and the upper test chamber (4) are also respectively connected with a fire extinguishing device (22) through an electric valve.

10. The double-layer high-low temperature thermal humidity test chamber for a battery according to claim 1, wherein: the top of the box body (1) is provided with a three-color lamp (12).