Multi-cavity high-temperature test box

Abstract

The utility model relates to the technical field of high-temperature test boxes, and discloses a multi-cavity high-temperature test box which comprises a test box shell, a first test rack and a first sealing door plate, a first test bin and a temperature adjusting system used for providing high-temperature airflow for the first test bin are arranged in the test box shell, and the multi-cavity high-temperature test box further comprises a second test rack and a second sealing door plate, the first test rack is matched with the first test bin, a plurality of pulleys are arranged at the bottom of the first test rack, the first sealing door plate is fixedly connected to the first test rack, and the first sealing door plate can be connected with the test box shell to seal the first test bin; a group of first limiting slide rails which can be in sliding connection with the pulleys at the bottom end of the first test rack are also arranged at the bottom of the first test bin; according to the utility model, brand new layout is carried out on the test bin, so that preparation work before a high-temperature test can be completed in one step, the preparation time is saved, the test efficiency is improved, meanwhile, the test rack does not need to be carried manually, and the test cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature test boxes, in particular to a multi-cavity high-temperature test box. Background Art

[0002] Display screens are often used as electronic accessories to display images and texts for electronic products. Display screens can be divided into different types such as LCD screens, LED screens, OLED screens, etc. However, no matter which type of display screen is used, it needs to pass performance testing after manufacturing, especially high-temperature performance testing, which can test the safety and high-temperature resistance of the display screen to ensure the service life of the display screen.

[0003] The existing high temperature test chamber needs to complete two preparations before the test begins. First, the test rack with the tested product is manually moved into the test chamber, and then the personnel exit the test chamber and lock the test door to form a closed test environment. This preparation process takes a lot of time, the test efficiency is low, the labor cost is high, and the product is easy to be damaged during the transportation process. For this reason, the inventor has made a new invention. Utility Model Content

[0004] The utility model aims to provide a multi-cavity high-temperature test box with the advantages of high test efficiency and low cost in view of the deficiencies in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model is a multi-cavity high-temperature test chamber, including a test chamber shell, a first test chamber and a temperature regulation system for providing high-temperature airflow to the first test chamber are arranged inside the test chamber shell, and also includes a first test frame and a first sealed door panel, the first test frame is adapted to the first test chamber, a plurality of pulleys are arranged at the bottom of the first test frame, the first sealed door panel is fixedly connected to the first test frame, and the first sealed door panel can be connected to the test chamber shell to seal the first test chamber; a group of first limiting slide rails that can be slidably connected to the pulley at the bottom of the first test frame are also arranged at the bottom of the first test chamber.

[0006] Preferably, a second test chamber is further included, the area of ​​the second test chamber is smaller than that of the first test chamber and the second test chamber is connected to the first test chamber.

[0007] Preferably, it also includes a second test frame and a second sealed door panel, the second test frame is adapted to the second test chamber, a plurality of pulleys are arranged at the bottom of the second test frame, the second sealed door panel is fixedly connected to the second test frame, and the second sealed door panel can be connected to the test chamber shell to seal the second test chamber; a group of second limiting slide rails which can be slidably connected to the pulley at the bottom end of the second test frame are also arranged at the bottom of the second test chamber.

[0008] Preferably, the temperature regulation system includes an air duct arranged on the top of the first test chamber and the second test chamber; a plurality of air inlet holes are arranged on the side of the first test chamber away from the second test chamber, and a plurality of air return holes are arranged on the end of the second test chamber away from the first test chamber, and the air inlet holes and the return holes are connected to the air duct.

[0009] Preferably, the temperature adjustment system further includes a circulation fan and a heater, and the circulation fan and the heater are sequentially arranged inside the air duct.

[0010] Preferably, the first test frame is provided with an L-shaped limiting baffle.

[0011] Preferably, a sealing ring is provided between the first sealing door panel and the test box shell.

[0012] Preferably, a control system is further included, and the control system is fixedly mounted on the test box housing.

[0013] Beneficial effects: Compared with the prior art, the utility model is a multi-cavity high-temperature test box, which has the following advantages: 1. A new layout of the test chamber allows the preparation work before the high-temperature test to be completed in one step, saving preparation time and improving test efficiency. At the same time, there is no need for manual transportation of the test frame, and the test cost is lower; 2. With test chambers of different specifications, products of different specifications can be classified and tested according to the box, saving space, doubling the number of products that can be tested at one time and having a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the longitudinal section structure of the test box shell of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the first test chamber and the second test chamber of the utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the second test stand of the utility model.

[0018] Reference numerals include:

[0019] Test box shell--1, first test chamber--2, first limiting slide rail--21, air inlet hole--22, temperature adjustment system--3, air duct--31, circulating fan--32, heater--33, first test frame--4, pulley--41, L-shaped limiting baffle--42, first sealing door panel--5, second test chamber--6, second limiting slide rail--61, return air hole--62, second test frame--7, second sealing door panel--8, sealing ring--9, control system--10. DETAILED DESCRIPTION

[0020] The following is combined with Figures 1 to 4 The utility model is described in detail.

[0021] The utility model is a multi-cavity high-temperature test box, including a test box shell 1, a first test chamber 2 and a temperature adjustment system 3 for providing high-temperature airflow to the first test chamber 2 are arranged inside the test box shell 1, and also includes a first test frame 4 and a first sealing door plate 5, the first test frame 4 is adapted to the first test chamber 2, a plurality of pulleys 41 are arranged at the bottom of the first test frame 4, the first sealing door plate 5 is fixedly connected to the first test frame 4, and the first sealing door plate 5 can be connected to the test box shell 1 to seal the first test chamber 2; the bottom of the first test chamber 2 is also provided with a group of first limiting slide rails 21 that can be slidably connected to the pulley 41 at the bottom end of the first test frame 4.

[0022] The utility model makes a new layout of the test chamber, connects the sealing door panel with the test frame, and arranges a limiting slide groove at the bottom, so that the preparation work before the high temperature test can be completed in one step, saving preparation time and improving test efficiency. At the same time, it is no longer necessary to manually carry the test frame, and the test cost is lower. The position of the test frame is limited by the limiting slide rail inside the test chamber and will not shift.

[0023] As a preferred embodiment, the technical solution further includes a second test chamber 6, the area of ​​the second test chamber 6 is smaller than the first test chamber 2 and the second test chamber 6 is connected to the first test chamber 2. The second test chamber 6 is mainly used to place a small display screen. The test box has two test chambers of different specifications, which can classify and test the tested products of different specifications by box at the same time, which can not only save space, but also double the number of products that can be tested at one time and has a wider range of applications.

[0024] As an embodiment, it also includes a second test frame 7 and a second sealing door plate 8, the second test frame 7 is adapted to the second test chamber 6, a plurality of pulleys 41 are arranged at the bottom of the second test frame 7, the second sealing door plate 8 is fixedly connected to the second test frame 7, and the second sealing door plate 8 can be connected to the test box shell 1 to seal the second test chamber 6; the bottom of the second test chamber 6 is also provided with a group of second limiting slide rails 61 that can be slidably connected to the pulley 41 at the bottom of the second test frame 7. The second test chamber 6 is similar in structure to the first test chamber 2, both of which are new layouts, saving preparation time and improving test efficiency.

[0025] In the present technical solution, the temperature regulation system 3 includes an air duct 31 arranged at the top of the first test chamber 2 and the second test chamber 6. The double-layer setting is beneficial to reducing the area occupied by the equipment; a plurality of air inlet holes 22 are arranged on the side of the first test chamber 2 away from the second test chamber 6, and a plurality of return air holes 62 are arranged on the end of the second test chamber 6 away from the first test chamber 2, and the air inlet holes 22 and the return air holes 62 are connected to the air duct 31.

[0026] As an embodiment, the temperature adjustment system 3 further includes a circulating fan 32 and a heater 33, which are sequentially arranged inside the air duct 31. The circulating fan 32 guides the air flow to flow into the first test chamber 2 and the second test chamber 6 from the air inlet in sequence, and then the air flow flows out from the return air port back to the air duct 31 and flows into the heater 33, the gas temperature rises, and enters the next air flow cycle, and the aging test is performed on the tested product.

[0027] like Figure 4 As shown, the rear ends of the first test frame 4 and the second test frame 7 are both provided with L-shaped limit baffles 42 to limit the movement of the test frames and avoid collision.

[0028] Preferably, a sealing ring 9 is provided between the first sealing door plate 5 and the test box housing 1. The sealing ring 9 is usually fixedly provided on the sealing door plate. When the sealing door plate is pushed to the entrance of the test chamber along with the test frame, the sealing ring 9 presses against the test box housing 1, so that the sealing of the test chamber is better, and the test process is protected from the influence of the external environment.

[0029] The utility model further comprises a control system 10, which is fixedly mounted on one side of the test box housing 1, and the control system 10 realizes variable control of the entire test box.

[0030] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A multi-chamber high-temperature test chamber, comprising a test chamber shell (1), a first test chamber (2) and a temperature adjustment system (3) for providing a high-temperature airflow to the first test chamber (2) arranged inside the test chamber shell (1), characterized in that: The invention also comprises a first test frame (4) and a first sealing door plate (5); the first test frame (4) is adapted to the first test chamber (2); a plurality of pulleys (41) are arranged at the bottom of the first test frame (4); the first sealing door plate (5) is fixedly connected to the first test frame (4); and the first sealing door plate (5) can be connected to the test chamber housing (1) to seal the first test chamber (2); and a group of first limiting slide rails (21) which can be slidably connected to the pulleys (41) at the bottom of the first test frame (4) are also arranged at the bottom of the first test chamber (2).

2. A multi-cavity high temperature test box according to claim 1, characterized in that: It also includes a second test chamber (6), the area of ​​the second test chamber (6) is smaller than that of the first test chamber (2), and the second test chamber (6) is connected to the first test chamber (2).

3. A multi-cavity high temperature test box according to claim 2, characterized in that: The invention also comprises a second test frame (7) and a second sealing door plate (8); the second test frame (7) is adapted to the second test chamber (6); a plurality of pulleys (41) are arranged at the bottom of the second test frame (7); the second sealing door plate (8) is fixedly connected to the second test frame (7); and the second sealing door plate (8) can be connected to the test chamber housing (1) to seal the second test chamber (6); and a group of second limiting slide rails (61) which can be slidably connected to the pulleys (41) at the bottom of the second test frame (7) are also arranged at the bottom of the second test chamber (6).

4. The multi-cavity high temperature test box according to claim 2, characterized in that: The temperature adjustment system (3) comprises an air duct (31) arranged at the top of the first test chamber (2) and the second test chamber (6); a plurality of air inlet holes (22) are arranged on a side of the first test chamber (2) away from the second test chamber (6), and a plurality of air return holes (62) are arranged on an end of the second test chamber (6) away from the first test chamber (2); the air inlet holes (22) and the air return holes (62) are connected to the air duct (31).

5. The multi-cavity high temperature test box according to claim 4, characterized in that: The temperature adjustment system (3) further comprises a circulation fan (32) and a heater (33), wherein the circulation fan (32) and the heater (33) are sequentially arranged inside the air duct (31).

6. The multi-cavity high temperature test box according to claim 1, characterized in that: The first test frame (4) is provided with an L-shaped limiting baffle (42).

7. The multi-cavity high temperature test box according to claim 1, characterized in that: A sealing ring (9) is provided between the first sealing door plate (5) and the test box housing (1).

8. A multi-cavity high temperature test box according to any one of claims 1 to 7, characterized in that: It also includes a control system (10), wherein the control system (10) is fixedly mounted on the test box housing (1).

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