CN216964646U - High-low temperature test box - Google Patents

Abstract

The embodiment of the application relates to a high low temperature test box, the power distribution box comprises a box body, establish the ceramic heat preservation in the box, there is the gap between the inner wall of ceramic heat preservation and box, first end is fixed on the bottom surface of box, the support of ceramic heat preservation is passed to the second end, establish the rigidity ground on the support, pipeline and the cold and hot module that has an input and a plurality of output, cold and hot module is used for carrying cold air or hot-air to pipeline and ceramic heat preservation and the gap between the box, pipeline's each output all passes and stretches into in the box behind the top surface of box, pipeline's quantity is many and the interval is established on the top surface of box. The high low temperature test box that this application embodiment disclosed uses through the combination of multiple heat preservation mode and improves the heat preservation effect.

Description

High-low temperature test box

Technical Field

The application relates to the technical field of testing, in particular to a high-low temperature test box.

Background

High low temperature test box is at the test in-process, and a certain amount of fluctuation can appear in the temperature in the box, nevertheless just increase the holding layer thickness and can not make the heat preservation effect show and promote, because along with the increase of holding layer thickness, the marginal influence that brings can lower and lower more.

Disclosure of Invention

The embodiment of the application provides a high low temperature test box, uses through the combination of multiple heat preservation mode to improve the heat preservation effect.

The above object of the embodiments of the present application is achieved by the following technical solutions:

the embodiment of the application provides a high low temperature test case, includes:

a box body;

the ceramic heat-insulating layer is arranged in the box body, and a gap is formed between the ceramic heat-insulating layer and the inner wall of the box body;

the first end of the bracket is fixed on the bottom surface of the box body, and the second end of the bracket penetrates through the ceramic heat-insulating layer;

the rigid ground is arranged on the bracket;

the conveying pipeline is provided with an input end and a plurality of output ends, and each output end penetrates through the top surface of the box body and then extends into the box body; and

the cold and hot module is used for conveying cold air or hot air to the conveying pipeline and gaps between the ceramic insulating layer and the box body;

wherein, the quantity of pipeline is many and the interval is established on the top surface of box.

In one possible implementation manner of the embodiment of the present application, the number of the ceramic insulating layers is multiple.

In a possible implementation manner of the embodiment of the application, a gap exists between any two adjacent ceramic insulating layers.

In one possible implementation of the embodiment of the application, the cold-hot module delivers cold air or hot air to the at least one slit.

In a possible implementation manner of the embodiment of the present application, the method further includes:

a circulating pipeline, the first end of which is connected with the space in the box body and the second end of which is connected with the conveying pipeline; and

and the pipeline fan is arranged on the circulating pipeline.

In a possible implementation manner of the embodiment of the application, the control end of the pipeline fan is connected to the cold and hot module.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a high-low temperature test chamber provided in an embodiment of the present application, where arrows indicate airflow directions.

Fig. 2 is a distribution schematic diagram of a conveying pipeline provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a conveying pipeline provided by an embodiment of the present application, in which arrows indicate airflow directions.

Fig. 4 is a schematic diagram of the operation of a circulation duct and a duct fan according to an embodiment of the present application, in which arrows indicate the airflow direction.

In the figure, 11, a box body, 12, a ceramic heat-insulating layer, 13, a bracket, 14, a rigid ground, 15, a conveying pipeline, 2, a cold and hot module, 21, a circulating pipeline, 22 and a pipeline fan.

Detailed Description

The technical solution of the present application will be described in further detail below with reference to the accompanying drawings.

Please refer to fig. 1 and fig. 2, which are high and low temperature test chambers disclosed in the embodiments of the present application, the test chamber is composed of a chamber 11, a ceramic insulating layer 12, a support 13, a rigid ground 14 and a conveying pipeline 15, specifically, the ceramic insulating layer 12 is disposed on the bottom surface, the side surface and the top surface in the chamber 11, a gap exists between the ceramic insulating layer 12 and the inner wall of the chamber 11, the gap is filled with air, and the air is also a poor heat conductor, and can play a good role in heat insulation.

The first end of the bracket 13 is fixed on the bottom surface of the box body 11, the second end penetrates through the ceramic insulation layer 12 and is used for supporting the rigid ground 14, and the rigid ground 14 is fixed on the bracket 13 and is positioned above the ceramic insulation layer 12 on the bottom surface of the box body 11.

When the bracket 13 is installed, a hole is directly drilled on the ceramic insulating layer 12, and then a foaming material is used for filling and sealing the gap.

The rigid floor 14 serves to protect the ceramic insulation layer 12 on the bottom surface of the cabinet 11 from crushing the ceramic insulation layer 12 due to the entrance and exit of vehicles.

Referring to fig. 3, the conveying duct 15 is used for conveying cold air or hot air into the box 11, and specifically, the conveying duct 15 has an input end 151 and a plurality of output ends 152, each output end 152 penetrates through the top surface of the box 11 and then extends into the box 11, the input end 151 is connected to the cold and hot module 2, and the cold and hot module 2 is used for generating cold air and hot air.

The outlet end 152 penetrates the ceramic insulating layer 12 and is also perforated and treated with a foaming material in the same manner as the bracket 13.

In some possible implementations, the cold-hot module 2 uses an air conditioner or a heat exchange tower.

Moreover, the number of the delivery pipes 15 is plural and the delivery pipes are arranged on the top surface of the box 11 at intervals, that is, there are plural output ends 152 on the top surface of the box 11, and these output ends 152 are arranged in the form of MxN matrix, which has an advantage that the cold air or the hot air can be rapidly and uniformly delivered into the box 11, so that the temperature distribution of the box 11 tends to be uniform.

Referring to fig. 1, as an embodiment of the high and low temperature test chamber provided by the application, the number of the ceramic insulating layers 12 is multiple, which helps to improve the insulating effect.

Further, a gap exists between any two adjacent ceramic heat-insulating layers 12.

In some possible implementations, four corners of the ceramic insulating layer 12 are provided with pads, and the pads are integrally formed with the ceramic insulating layer 12 or fixed on the ceramic insulating layer 12 by using a bonding method. The cushion blocks play a supporting role, so that gaps can be formed between the adjacent ceramic heat-insulating layers 12.

Further, the cooling-heating module 2 supplies cooling air or heating air to at least one gap, that is, the temperature of air existing in one or more gaps can be kept consistent with the temperature of air in the cabinet 11. It should be understood that after a certain amount of cold air or hot air is fed into the gap, the cold air or hot air will contact with the outside air and be gradually consumed, so that it can be ensured that the cold air or hot air in the box body 11 is not consumed, or the consumption speed of the cold air or hot air in the box body 11 can be effectively reduced, and the heat preservation effect of the box body 11 can be effectively improved.

Cold or hot air is directed from the transfer duct 15 using a connecting pipe.

In some possible implementations, the gap into which the cold air or the hot air is fed and the gap into which the cold air or the hot air is not fed are spaced apart.

Referring to fig. 4, as a specific embodiment of the high and low temperature test chamber provided by the application, a circulation duct 21 and a duct blower 22 are further added, a first end of the circulation duct 21 is connected to the space inside the chamber 11, and a second end is connected to the conveying duct 15, so as to keep the cold air or the hot air inside the chamber 11 in a flowing state, and thus, the temperature distribution inside the chamber 11 can be more uniform.

The power for the gas flow in the circulation duct 21 is provided by a duct fan 22, and the duct fan 22 is installed on the circulation duct 21.

Further, the control end of the duct fan 22 is connected to the cooling and heating module 2, so that the duct fan 22 can be started along with the start of the cooling and heating module 2, and the distribution of the cold air or the hot air in the box 11 can be more uniform.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. A high-low temperature test chamber, comprising:

a box body (11);

the ceramic heat-insulating layer (12) is arranged in the box body (11), and a gap is formed between the ceramic heat-insulating layer (12) and the inner wall of the box body (11);

the first end of the bracket (13) is fixed on the bottom surface of the box body (11), and the second end of the bracket penetrates through the ceramic heat-insulating layer (12);

a rigid floor (14) provided on the support (13);

the conveying pipeline (15) is provided with an input end (151) and a plurality of output ends (152), and each output end (152) penetrates through the top surface of the box body (11) and then extends into the box body (11); and

the cold and hot module (2) is used for conveying cold air or hot air to a conveying pipeline (15), a gap between the ceramic heat-insulating layer (12) and the box body (11);

wherein, the number of the conveying pipelines (15) is a plurality and are arranged on the top surface of the box body (11) at intervals.

2. High-low temperature test chamber according to claim 1, characterized in that the number of ceramic insulation layers (12) is multi-layered.

3. The high-low temperature test chamber according to claim 2, wherein a gap is formed between any two adjacent ceramic insulating layers (12).

4. High-low temperature test chamber according to claim 3, characterized in that the cold-hot module (2) delivers cold air or hot air to at least one slit.

5. The high-low temperature test chamber according to any one of claims 1 to 4, further comprising:

a circulation duct (21) having a first end connected to the space inside the box (11) and a second end connected to the delivery duct (15); and

and the pipeline fan (22) is arranged on the circulating pipeline (21).

6. A high-low temperature test chamber as claimed in claim 5, characterized in that the control end of the pipeline fan (22) is connected to the cold-hot module (2).

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