Walk-in temperature and humidity test box

Abstract

The utility model discloses a walk-in type temperature and humidity test box, which relates to the technical field of temperature and humidity tests and comprises a box body, a chamber arranged on the end face of the box body, two sealing doors respectively and rotatably mounted on two sides of the end face of the box body, a hollow adhesive tape, and a sealing cover arranged on the hollow adhesive tape. The hollow rubber strip is adhered to the end face, facing the box body, of the sealing door, the hollow rubber strip is of a hollow structure, the gas injection mechanism is installed in the sealing door, gas is injected into the hollow rubber strip through the gas injection mechanism, and the hollow rubber strip is bulged to be filled between the box body and the sealing door; the problems that after a sealing door of an existing step-in temperature and humidity test box is closed, if a sealing rubber strip is in a compressed state for a long time, the sealing rubber strip cannot be completely attached after the sealing door is closed, a small gap is formed, and the sealing performance of the sealing door is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature and humidity test, and specifically relates to a walk-in temperature and humidity test chamber. Background Technique

[0002] A temperature and humidity test chamber is a testing device specifically used to simulate different climate environments, and is widely used in the fields of materials science, electronic devices, automotive parts, chemicals, building materials, etc. Its main function is to simulate various climate conditions, including high temperature, low temperature, high humidity, low humidity and other environments, to test the adaptability and stability of products. By testing under controlled environments, it can also ensure that products maintain their functions and quality under extreme or long-term climate conditions. By simulating long-term environmental impacts in a short time, aging information of materials or products can be quickly obtained.

[0003] Modern temperature and humidity test chambers are equipped with advanced microprocessor control systems, which can precisely control temperature and humidity. The temperature range is generally from -70°C to +150°C, and some specially designed test chambers have a wider temperature range. The humidity range is from 20% to 98% relative humidity. It can simulate almost all natural and artificial environments and can perform periodic change simulations, including overheat protection, power-off protection, water level alarms, etc., to ensure test safety and reliable operation of the equipment. The equipment is usually equipped with a touch screen or digital display interface for easy program setting and real-time data monitoring. Refer to a walk-in temperature and humidity test chamber with the patent publication number: CN216396385U.

[0004] Existing temperature and humidity test chambers can be divided into various types according to their designs and applications, including bench-top temperature and humidity test chambers, vertical temperature and humidity test chambers, walk-in temperature and humidity test chambers, rapid temperature change test chambers, and combined environmental test chambers. Among them, a walk-in temperature and humidity test chamber is a large-scale environmental simulation device that allows operators to directly enter the interior to test large-scale or large samples. This type of test chamber is particularly suitable for testing the effects of simulating the entire environmental conditions on large objects such as entire electronic devices, automotive parts, furniture, etc.

[0005] In order to ensure a stable test environment, improve energy efficiency, prevent humidity fluctuations, and protect samples from contamination, a walk-in temperature and humidity test chamber needs to ensure the sealing performance of the walk-in temperature and humidity test chamber. Therefore, most of the sealing doors of the test chamber are installed with sealing rubber strips, and the gaps between the sealing door and the test chamber are filled by the sealing rubber strips to further increase the sealing performance of the test chamber. However, for existing sealing rubber strips, if the sealing rubber strips are in a compressed state for a long time, compression fatigue may occur and part of the elasticity may be lost. This will cause the sealing rubber strip not to fit completely after the sealing door is closed later, forming fine gaps, which will affect the sealing performance of the sealing door. To solve the above-mentioned problems, a walk-in temperature and humidity test chamber is provided. Content of the Utility Model

[0006] The purpose of the present utility model is to provide a walk-in temperature and humidity test chamber to solve the problem that after the sealing door of the existing walk-in temperature and humidity test chamber is closed, if the sealing rubber strip is in a compressed state for a long time, the sealing rubber strip cannot be completely attached after the sealing door is closed again, forming small gaps and affecting the sealing performance of the sealing door as mentioned in the above background technology.

[0007] To achieve the above purpose, the present utility model provides the following technical solutions: A walk-in temperature and humidity test chamber, including a box body, a chamber is opened on the end face of the box body, the chamber is used to place test equipment, a sealing door, two sealing doors are provided, and the two sealing doors are respectively rotatably installed on both sides of the end face of the box body for closing the chamber of the box body, a hollow rubber strip, the hollow rubber strip is adhered to the end face of the sealing door facing the box body, the hollow rubber strip is set to be a hollow structure, an air injection mechanism, the air injection mechanism is installed in the sealing door, and the air injection mechanism is used to inject gas into the interior of the hollow rubber strip so that the hollow rubber strip fills between the box body and the sealing door.

[0008] As a preferred technical solution of the present utility model, the hollow rubber strip is made of rubber material.

[0009] As a preferred technical solution of the present utility model, the air injection mechanism includes an air injection pipe, a piston and a screw rod, the air injection pipe is installed in the sealing door, one end of the air injection pipe is connected to the hollow rubber strip through a pipeline, the piston is slidably installed in the air injection pipe, the other end of the air injection pipe is threadedly connected with a screw rod, and the end of the screw rod extending into the air injection pipe is rotatably connected to the piston.

[0010] As a preferred technical solution of the present utility model, the end of the screw rod extending out of the box body is fixedly connected with a hand wheel for controlling the rotation of the screw rod.

[0011] As a preferred technical solution of the present utility model, a through hole is opened inside the sealing door, an air hole is opened on the side of the air injection pipe, and the air hole is communicated with the through hole of the sealing door.

[0012] As a preferred technical solution of the present utility model, a corrugated structure for facilitating the expansion of the hollow rubber strip is provided on the side of the hollow rubber strip.

[0013] As a preferred technical solution of the present utility model, support feet for support are provided at the lower end of the box body, and a control panel for controlling the box body is provided on one side of the box body.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] In this utility model, gas is filled into the hollow rubber strip through an air injection mechanism, causing the hollow rubber strip to bulge and fill the space between the box body and the sealing door, solving the problem that in an existing walk-in temperature and humidity test chamber, after the sealing door is closed, if the sealing rubber strip is in a compressed state for a long time, the sealing rubber strip cannot fit completely after the sealing door is closed again, forming small gaps and affecting the sealing performance of the sealing door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the test chamber according to an embodiment of this utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the sealing door according to an embodiment of this utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the hollow rubber strip according to an embodiment of this utility model;

[0019] Figure 4 It is a partial cross-sectional view of the hollow rubber strip according to an embodiment of this utility model;

[0020] Figure 5 It is a cross-sectional view of the air injection mechanism according to an embodiment of this utility model.

[0021] In the figure: 1. Box body; 2. Sealing door; 3. Hollow rubber strip; 4. Air injection mechanism; 41. Air injection pipe; 411. Air hole; 42. Piston; 43. Screw rod; 431. Handwheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this utility model. Embodiment

[0023] Please refer to Figures 1-5 , this embodiment provides a walk-in temperature and humidity test chamber, including a box body 1. A plurality of supporting feet are installed at the lower end of the box body 1, and the box body 1 is supported by the plurality of supporting feet. An operation panel is arranged on one side of the box body 1, and the interior of the box body 1, including temperature and humidity, etc., is controlled through the operation panel. The specific reference model of the test chamber is a walk-in constant temperature and humidity test chamber of model GDHS-001. A chamber is opened on the end face of the box body 1, and equipment for testing can be placed inside the chamber. Sealing doors 2 are rotatably installed on both sides of the end face of the box body 1, and the two sealing doors 2 are of a split type, and the chamber of the box body 1 can be closed through the sealing doors 2.

[0024] However, after the sealing door 2 rotates and closes, there is a certain gap between the sealing door 2 and the box body 1. To ensure the tightness inside the chamber of the box body 1, a hollow rubber strip 3 is fixedly connected to the end face edge of the sealing door 2 facing the box body 1. The hollow rubber strip 3 is made of rubber material. After the sealing door 2 closes, the hollow rubber strip 3 is extruded and deformed and fills the gap between the sealing door 2 and the box body 1, thereby ensuring the tightness of the box body 1.

[0025] After the hollow rubber strip 3 is extruded by the box body 1 and the sealing door 2 for a long time, the hollow rubber strip 3 will also undergo compression fatigue and lose some of its elasticity. This will cause the hollow rubber strip 3 not to fit completely after the sealing door 2 closes later, forming a small gap with the box body 1. To solve the situation where the hollow rubber strip 3 cannot completely seal the box body 1, an air injection mechanism 4 is provided inside the sealing door 2. Among them, the hollow rubber strip 3 is set as a hollow structure, and an air cavity is opened inside the hollow rubber strip 3. The air injection mechanism 4 includes an air injection pipe 41, a piston 42, and a screw rod 43. The piston 42 is slidably installed inside the air injection pipe 41. The air injection pipe 41 is fixedly installed inside the sealing door 2. One end of the air injection pipe 41 penetrates the sealing door 2 and is connected to the hollow rubber strip 3 through a pipeline. The screw rod 43 is threadedly connected to the other end of the air injection pipe 41. One end of the screw rod 43 extending into the air injection pipe 41 is rotatably connected to the piston 42, and the other end of the screw rod 43 penetrates the sealing door 2. The end of the screw rod 43 penetrating and extending out of the sealing door 2 is fixedly connected with a handwheel 431. By rotating the handwheel 431, the screw rod 43 can be rotated, and when the screw rod 43 rotates, the piston 42 can be driven to slide inside the air injection pipe 41.

[0026] During use, close the sealing door 2, rotate the handwheel 431 to make the piston 42 slide towards the hollow rubber strip 3. During the movement of the piston 42, the air inside the air injection pipe 41 is injected into the air cavity of the hollow rubber strip 3. Through the injection of air, the hollow rubber strip 3 expands, thereby further filling the gap between the box body 1 and the sealing door 2 and ensuring the tightness of the box body 1.

[0027] As Figure 3 shown, the hollow rubber strip 3 is integrally in a frame structure. After the hollow rubber strip 3 is installed, from top to bottom, the hollow rubber strip 3 is in an L-shaped structure. One side of the hollow rubber strip 3 is fixed to the side of the sealing door 2. After the hollow rubber strip 3 expands, the hollow rubber strip 3 fills the gap between the two sealing doors 2.

[0028] After the piston 42 moves, negative pressure will be generated in the space inside the air injection pipe 41 away from the hollow rubber strip 3, which will affect the movement of the piston 42. Therefore, as Figure 5 shown, air holes 411 are opened on the side of the air injection pipe 41, and through holes are opened inside the sealing door 2. The air holes 411 communicate with the through holes of the sealing door 2, and through the air holes 411 and the through holes, the external air can interact with the air inside and outside the air injection pipe 41.

[0029] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A walk-in temperature and humidity test chamber, characterized in that, Including: A box body (1), a chamber is formed on the end face of the box body (1), and test equipment is placed in the chamber; Sealing doors (2), two sealing doors (2) are provided, and the two sealing doors (2) are respectively rotatably installed on both sides of the end face of the box body (1) for closing the chamber of the box body (1); Hollow rubber strips (3), the hollow rubber strips (3) are adhered to the end face of the sealing door (2) facing the box body (1), and the hollow rubber strips (3) are of a hollow structure; An air injection mechanism (4), the air injection mechanism (4) is installed in the sealing door (2), and the air injection mechanism (4) is used to inject gas into the interior of the hollow rubber strip (3) so that the hollow rubber strip (3) fills between the box body (1) and the sealing door (2).

2. The walk-in temperature and humidity test chamber according to claim 1, characterized in that: The hollow rubber strip (3) is made of rubber material.

3. The walk-in temperature and humidity test chamber according to claim 2, characterized in that: The air injection mechanism (4) includes an air injection pipe (41), a piston (42) and a screw rod (43). The air injection pipe (41) is installed in the sealing door (2). One end of the air injection pipe (41) is connected to the hollow rubber strip (3) through a pipeline. The piston (42) is slidably installed in the air injection pipe (41). The other end of the air injection pipe (41) is threadedly connected with a screw rod (43), and the end of the screw rod (43) extending into the air injection pipe (41) is rotatably connected to the piston (42).

4. A walk-in temperature and humidity test chamber according to claim 3, wherein: One end of the screw rod (43) extending out of the box body (1) is fixedly connected with a hand wheel (431) for controlling the rotation of the screw rod (43).

5. The walk-in temperature and humidity test chamber according to claim 3, characterized in that: A through hole is formed inside the sealing door (2), and an air hole (411) is formed on the side of the air injection pipe (41), and the air hole (411) communicates with the through hole of the sealing door (2).

6. The walk-in temperature and humidity test chamber according to claim 3, characterized in that: The side of the hollow rubber strip (3) is provided with a corrugated structure for facilitating the expansion of the hollow rubber strip (3).

7. A walk-in temperature and humidity test chamber according to claim 1, characterized in that: The lower end of the box body (1) is provided with supporting feet, and one side of the box body (1) is provided with a control panel for controlling the box body (1).

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