Wind-free high and low temperature test box

Abstract

The utility model discloses a windless high and low temperature test box, relates to the technical field of test boxes, and aims to solve the problems that the existing windless high and low temperature test box in the prior art is not good enough in air tightness and not reliable enough in use due to the fact that an air exhaust mode is adopted for heat dissipation. A sealing box is arranged in the main box body, an experiment box is arranged in the sealing box, a first vapor chamber, a second vapor chamber, a third vapor chamber and a fourth vapor chamber are arranged in the sealing box, and the first vapor chamber, the second vapor chamber, the third vapor chamber and the fourth vapor chamber are all attached to the sealing box. The first vapor chamber, the second vapor chamber, the third vapor chamber and the fourth vapor chamber are communicated through pipelines, a water tank is arranged in the main box body, a liquid pump is arranged between the first vapor chamber and the water tank, and an input pipe is connected between the fourth vapor chamber and the water tank; and a sealing door for sealing the experiment box is arranged on the front end surface of the main box body.

Description

Technical Field

[0001] The utility model relates to the technical field of test chambers, and particularly relates to a windless high and low temperature test chamber. Background Technique

[0002] High and low temperature test chambers are applicable to the reliability tests of industrial products at high and low temperatures. For the components and materials of related products such as electronic and electrical engineering, automobiles and motorcycles, aerospace, ships and weapons, institutions of higher learning, and scientific research units, under the condition of cyclic changes in high and low temperatures, their various performance indicators are inspected. High and low temperature test chamber products have the function of simulating the temperature change law in the atmospheric environment, mainly aiming at the adaptability tests of electrical and electronic products, their components and other materials during transportation and use in high and low temperature comprehensive environments, and are used in product design, improvement, appraisal, and inspection and other links;

[0003] For example, the publication number is CN219092086U, a windless high and low temperature test chamber, including a box body, and a windless high and low temperature component is arranged inside the box body; the windless high and low temperature component includes a fixing plate fixedly connected to the inside of the box body, an experimental box is arranged on the top of the fixing plate, a heat preservation layer is arranged inside the experimental box, an aluminum plate is arranged on one side of the inside of the experimental box close to the heat preservation layer, a fixing frame is fixedly connected to the top of the inner cavity of the experimental box, an infrared lamp tube is fixedly installed at the bottom of the fixing frame, and a reflecting plate is fixedly connected above the infrared lamp tube in the inner cavity of the experimental box;

[0004] For the above-mentioned applied windless high and low temperature test chamber, a windless high and low temperature component is set. Through the infrared lamp tube, the reflecting plate, the dry refrigerator, and the cold discharge pipe, the windless high and low temperature test chamber dissipates its own heat, and the defect of the decline of the material itself performance. It reduces the heat of heat-generating materials such as the wind blowing the material, thereby achieving the reduction of the loss of the material itself, and further making the test effect better. However, the method of exhausting air is used for heat dissipation, and the airtightness is not good enough, and it is not reliable enough to use. Therefore, there is an urgent need in the market to develop a windless high and low temperature test chamber to help people solve the existing problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a windless high and low temperature test chamber to solve the problem that the current windless high and low temperature test chamber still uses the method of exhausting air for heat dissipation, the airtightness is not good enough, and it is not reliable enough to use as mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: a windless high and low temperature test chamber, comprising a main box body, a sealed box is arranged inside the main box body, an experimental box is arranged inside the sealed box, a first heat sink plate, a second heat sink plate, a third heat sink plate and a fourth heat sink plate are respectively arranged inside the sealed box, the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate are all attached to the sealed box, the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate are all connected through pipelines, a water tank is arranged inside the main box body, a liquid pump is arranged between the first heat sink plate and the water tank, an input pipe is connected between the fourth heat sink plate and the water tank, and a sealing door for sealing the experimental box is arranged on the front end face of the main box body.

[0007] Through the above technical solution, heat conduction is carried out by using the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate, and the water tank is used to inject heat flow or cold flow into the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate to heat or cool the experimental box. Thus, in the case of realizing windless high and low temperature experiments, the experimental box does not need to conduct air circulation with the external environment, thereby improving the airtightness of the experimental box, avoiding internal contamination of the experimental box, and improving the use reliability of this windless high and low temperature test chamber.

[0008] In a preferred example, the present utility model can be further configured as: an output pipe is connected between the first heat sink plate and the liquid pump, and the liquid pump is communicated with the water tank.

[0009] Through the above technical solution, by using the liquid pump, the fluid inside the water tank is sucked into the fourth heat sink plate, the third heat sink plate, the second heat sink plate and the first heat sink plate, and then the fluid is introduced into the water tank, realizing the working effect of circulating heating or circulating cooling. Thus, the inside of the experimental box can be heated or cooled without wind, reducing energy loss, improving heat exchange efficiency, and improving the working efficiency of this windless high and low temperature test chamber.

[0010] In a preferred example, the present utility model can be further configured as: an electric heating base is arranged below the water tank.

[0011] Through the above technical solution, the fluid inside the water tank is heated by using the electric heating base.

[0012] In a preferred example, the present utility model can be further configured as: a chiller is arranged on one side of the water tank, and the chiller is communicated with the water tank.

[0013] Through the above technical solution, the fluid inside the water tank is cooled by using the chiller.

[0014] In a preferred embodiment, the present utility model can be further configured as follows: a controller is disposed inside the main box body, and a temperature sensor electrically connected to the controller is disposed inside the experimental box.

[0015] Through the above technical solution, the temperature change inside the experimental box is monitored in real time by using the temperature sensor.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. The utility model uses the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate for heat conduction, and uses the water tank to inject heat flow or cold flow into the first heat sink plate, the second heat sink plate, the third heat sink plate and the fourth heat sink plate to heat or cool the experimental box. Thus, in the case of realizing a windless high and low temperature experiment, the experimental box does not need to have air circulation with the external environment, thereby improving the airtightness of the experimental box, avoiding internal contamination of the experimental box, and improving the use reliability of this windless high and low temperature test chamber.

[0018] 2. The utility model uses a liquid pump to suck the fluid inside the water tank into the fourth heat sink plate, the third heat sink plate, the second heat sink plate and the first heat sink plate, and then conducts the fluid back into the water tank to achieve the working effect of circulating heating or circulating cooling. Thus, the inside of the experimental box can be heated or cooled without wind, reducing energy loss, improving heat exchange efficiency, and improving the working efficiency of this windless high and low temperature test chamber. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the internal structure of a windless high and low temperature test chamber of the present utility model;

[0020] Figure 2 It is an enlarged schematic diagram of part A in the figure of the present utility model;

[0021] In the figure: 1, main box body; 2, sealed box; 3, experimental box; 4, first heat sink plate; 5, second heat sink plate; 6, third heat sink plate; 7, fourth heat sink plate; 8, water tank; 9, electric heating base; 10, chiller; 11, controller; 12, input pipe; 13, output pipe; 14, liquid pump. Detailed Embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, terms such as "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0025] Please refer to Figure 1 and Figure 2 As an embodiment provided by the present utility model: a windless high and low temperature test chamber, including a main box body 1, a sealed box 2 is arranged inside the main box body 1, an experimental box 3 is arranged inside the sealed box 2, a first heat sink plate 4, a second heat sink plate 5, a third heat sink plate 6 and a fourth heat sink plate 7 are respectively arranged inside the sealed box 2. The first heat sink plate 4, the second heat sink plate 5, the third heat sink plate 6 and the fourth heat sink plate 7 are all attached to the sealed box 2. The first heat sink plate 4, the second heat sink plate 5, the third heat sink plate 6 and the fourth heat sink plate 7 are all connected through pipes. A water tank 8 is arranged inside the main box body 1. A liquid pump 14 is arranged between the first heat sink plate 4 and the water tank 8. An input pipe 12 is connected between the fourth heat sink plate 7 and the water tank 8. A sealing door for sealing the experimental box 3 is arranged on the front end face of the main box body 1. The first heat sink plate 4, the second heat sink plate 5, the third heat sink plate 6 and the fourth heat sink plate 7 are all fixedly connected to the sealed box 2.

[0026] Please refer to Figure 2 An output pipe 13 is connected between the first heat sink plate 4 and the liquid pump 14, and the liquid pump 14 is communicated with the water tank 8.

[0027] Please refer to Figure 2 An electric heating base 9 is arranged below the water tank 8.

[0028] Please refer to Figure 2 A chiller 10 is arranged on one side of the water tank 8, and the chiller 10 is communicated with the water tank 8.

[0029] Please refer to Figure 1, a controller 11 is provided inside the main box body 1, and a temperature sensor electrically connected to the controller 11 is provided inside the experimental box 3.

[0030] Working principle: During use, open the sealing door, place the item to be tested into the experimental box 3, and then close the sealing door. When heating is required inside the experimental box 3, use the electric heating base 9 to heat the fluid inside the water tank 8, and then use the liquid pump 14 to introduce the heated fluid inside the water tank 8 into the fourth heat sink plate 7, the third heat sink plate 6, the second heat sink plate 5, and the first heat sink plate 4, and then introduce it back into the water tank 8 for repeated heating, so as to achieve the heating work of the experimental box 3. When cooling is required inside the experimental box 3, use the chiller 10 to cool the fluid inside the water tank 8. Similarly, use the liquid pump 14 to introduce the cooled fluid into the fourth heat sink plate 7, the third heat sink plate 6, the second heat sink plate 5, and the first heat sink plate 4, and then introduce it back into the water tank 8 for repeated cooling, so as to achieve the cooling work of the experimental box 3.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A windless high and low temperature test box, comprising a main box (1), characterized in that: A sealed box (2) is arranged in the main box (1), and an experimental box (3) is arranged in the sealed box (2). A first heat spreader (4), a second heat spreader (5), a third heat spreader (6) and a fourth heat spreader (7) are arranged in the sealed box (2), respectively. The first heat spreader (4), the second heat spreader (5), the third heat spreader (6) and the fourth heat spreader (7) are all fitted with the sealed box (2), and the first heat spreader (4), the second heat spreader (5), the third heat spreader (6) and the fourth heat spreader (7) are all connected through pipelines. A water tank (8) is arranged in the main box (1), a liquid pump (14) is arranged between the first heat spreader (4) and the water tank (8), an input pipe (12) is connected between the fourth heat spreader (7) and the water tank (8), and a sealed door for sealing the experimental box (3) is arranged on the front end surface of the main box (1).

2. The windless high and low temperature test box according to claim 1, characterized in that: An output pipe (13) is connected between the first heat diffusion plate (4) and the liquid pump (14), and the liquid pump (14) is in communication with the water tank (8).

3. The windless high and low temperature test box according to claim 1, characterized in that: An electric heating base (9) is arranged below the water tank (8).

4. The windless high and low temperature test box according to claim 1, characterized in that: A water chiller (10) is provided on one side of the water tank (8), and the water chiller (10) is in communication with the water tank (8).

5. The windless high and low temperature test box according to claim 1, characterized in that: A controller (11) is arranged in the main box (1), and a temperature sensor electrically connected to the controller (11) is arranged in the experimental box (3).

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