High and low temperature test box with uniform heat diffusion

Abstract

The utility model relates to the field of high and low temperature tests, in particular to a high and low temperature test box with uniform thermal diffusion. According to the high and low temperature test box with uniform thermal diffusion, the plurality of thermal diffusion plates are adjacently arranged in the area where the to-be-tested piece is placed in pairs at intervals, the plurality of heating holes are uniformly formed in the thermal diffusion plates, and the heating elements are respectively mounted in the heating holes, so that when a high temperature test is carried out, the heat diffusion efficiency is improved; all the heating elements or the heating elements in the same area heat together under the control of the controller, rapid heating of the test area is guaranteed, heat of the single-point heating heating elements is transmitted outwards after being received by the heat diffusion plate, and the heat is rapidly dispersed on the heat diffusion plate to form planar heating, so that the test efficiency is improved. The heat cannot be excessively concentrated due to single-point heating, and the effect of providing uniform heat diffusion is achieved.

Description

Technical Field

[0001] The utility model relates to the field of high and low temperature tests, in particular to a high and low temperature test box with uniform heat diffusion. Background Art

[0002] High and low temperature test chamber products can simulate the temperature change law in the atmospheric environment. They are mainly used for the adaptability test of electrical and electronic products, their components and other materials when transported and used in high and low temperature comprehensive environments. They are used in product design, improvement, identification and inspection. The existing high and low temperature test chamber conducts heat through the heat conduction panel installed on the side wall. The temperature of the part closer to the heating device on the heat conduction panel is higher, so there is a temperature difference on the heat conduction panel, which will cause uneven heat diffusion and affect the test effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high and low temperature test box with uniform heat diffusion, which can provide a uniform heat diffusion effect.

[0004] In order to solve the above technical problems, the utility model provides a high and low temperature test chamber with uniform heat diffusion, including multiple heat diffusion plates, and the area between two adjacent heat diffusion plates is used to place the test pieces. The heat diffusion plates are evenly provided with multiple heating holes, and heating elements are respectively installed in these heating holes. The side of the heat diffusion plates is provided with a power interface for supplying power to each heating element.

[0005] Furthermore, a through slot penetrating the heat diffusion plate is formed on a side of the heat diffusion plate, and the heat diffusion plate further comprises a heat conducting member installed in the through slot, and a temperature detector for detecting the temperature of the heat conducting member.

[0006] Furthermore, the temperature detector is a temperature measuring sheet attached to the heat conducting member.

[0007] Furthermore, the heat-generating holes are specifically a plurality of accommodating holes arranged on the outer side of the heat diffusion plate.

[0008] Furthermore, the accommodating holes are evenly spaced on the heat diffusion plate.

[0009] Furthermore, heat conducting panels are installed at the front and rear of the heat diffusion plate respectively.

[0010] Furthermore, a closed door is provided on the box body, and the closed door is connected to the box body through a card-type bumper buckle.

[0011] Furthermore, the card-type bumper includes a bumper seat and a buckle that are buckled together, one of the bumper seat and the buckle is installed on the box body, and the other is installed on the closed door.

[0012] Furthermore, a moving assembly is provided at the bottom of the box body, and the moving assembly includes an elastic pad installed at the bottom of the box body and a caster installed on the elastic pad, and the caster is provided with a brake.

[0013] Furthermore, the elastic pad is formed by stacking multiple rubber layers.

[0014] The utility model discloses a high and low temperature test chamber with uniform heat diffusion, wherein a plurality of heat diffusion plates are spaced adjacent to each other in an area where the test pieces are placed, and a plurality of heating holes are evenly arranged on the heat diffusion plates, and heating elements are respectively installed in the heating holes. When performing a high temperature test, all the heating elements or the heating elements in the same area are heated together under the control of a controller, so that the test area is ensured to heat up quickly, and the heat of the heating element with single-point heating is received by the heat diffusion plate and then transferred to the outside, and the heat is quickly dispersed on the heat diffusion plate to form planar heating, and the heat will not be excessively concentrated due to single-point heating, so as to provide a uniform heat diffusion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a high and low temperature test chamber with uniform heat diffusion.

[0016] Figure 2 This is a schematic diagram of the heat diffusion plate of the high and low temperature test chamber with uniform heat diffusion. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with specific implementation methods.

[0018] High and low temperature test chamber with uniform heat diffusion Figure 1 , including a box 1, a test chamber is provided in the box 1, a thermal control device, a temperature sensor and a controller are provided in the test chamber, and the controller adjusts the thermal control device to increase or decrease the temperature under the control of a preset program or a manual input instruction of a staff member, so as to form a high temperature or low temperature environment in the test chamber, and perform high and low temperature tests on the sample to be tested placed in the test chamber. Specifically, the box 1 includes a plurality of horizontally placed heat diffusion plates, and the area between the upper and lower adjacent heat diffusion plates is used to place the test piece. See Figure 2 A plurality of heating holes 51 are evenly arranged on the heat diffusion plate 5, and heating elements 8 are respectively installed in these heating holes 51. A control interface is provided on the side of the heat diffusion plate, and the control interface is connected to the power supply and controller of the high and low temperature test chamber, and is electrically connected to each heating element 8, so as to realize powering the heating element 8 through the power supply and controlling its heating through the controller.

[0019] Heat conducting panels 6 are installed before and after the heat diffusion plate 5 to enhance the heat diffusion effect. When performing high temperature testing, all heating elements or heating elements in the same area heat up together under the control of the controller to ensure that the test area heats up quickly. In addition, the heat of the heating element with single point heating is received by the heat diffusion plate and then transferred outward. The heat is quickly dispersed in the heat diffusion plate to form surface heating, and the heat will not be too concentrated due to single point heating, so as to provide a uniform heat diffusion effect.

[0020] The side of the heat diffusion plate 5 is provided with a temperature detector 9, and the temperature detector 9 is electrically connected to the controller. Specifically, the side of the heat diffusion plate 5 is provided with a through slot penetrating the heat diffusion plate, and the heat conductive member 7 is installed in the through slot. The temperature detector 9 is a temperature measuring sheet attached to the heat conductive member 7, and is used to detect the temperature of the heat conductive member 7.

[0021] Among them, see Figure 1 The box body 1 is provided with a closed door 2, and the closed door 2 is buckled with the box body 1 through a card-type bumping bead 3. Specifically, the card-type bumping bead 3 includes a bumping bead seat and a buckle that are buckled together, the bumping bead seat is installed on the box body 1, and the buckle is installed on the closed door 2.

[0022] A moving assembly 4 is provided at the bottom of the box body 1. The moving assembly 4 includes an elastic pad installed at the bottom of the box body 1 and a caster installed on the elastic pad. The elastic pad is formed by stacking multiple rubber layers, and the caster is provided with a brake.

[0023] The above is only an implementation method of the invention, and does not limit the scope of patent protection. Those skilled in the art can make non-substantial changes or substitutions based on the invention, which still fall within the scope of patent protection.

Claims

1. High and low temperature test chamber with uniform heat diffusion, characterized by: It comprises a plurality of heat diffusion plates, the area between two adjacent heat diffusion plates is used to place the test piece, the heat diffusion plates are evenly provided with a plurality of heating holes, heating elements are respectively installed in these heating holes, and the side of the heat diffusion plates is provided with a power interface for supplying power to each heating element.

2. The high and low temperature test chamber with uniform heat diffusion according to claim 1 is characterized in that: The heat diffusion plate has a through slot on its side which penetrates the heat diffusion plate, and also includes a heat conducting member installed in the through slot and a temperature detector for detecting the temperature of the heat conducting member.

3. The high and low temperature test chamber with uniform heat diffusion according to claim 2 is characterized in that: The temperature detector is a temperature measuring sheet attached to the heat conducting member.

4. The high and low temperature test chamber with uniform heat diffusion according to claim 1 is characterized in that: The heat-generating holes are specifically a plurality of accommodating holes arranged on the outer side of the heat diffusion plate.

5. The high and low temperature test chamber with uniform heat diffusion according to claim 4 is characterized in that: The accommodating holes are evenly spaced on the heat diffusion plate.

6. The high and low temperature test chamber with uniform heat diffusion according to claim 1 is characterized in that: Heat conducting panels are respectively installed at the front and rear of the heat diffusion plate.

7. The high and low temperature test chamber with uniform heat diffusion according to claim 1, characterized in that: It comprises a box body for placing the heat diffusion plate, the box body is provided with a closed door, and the closed door is connected to the box body through a card-type bumper buckle.

8. The high and low temperature test chamber with uniform heat diffusion according to claim 7, characterized in that: The card-type bumper comprises a bumper seat and a buckle which are buckled together, one of the bumper seat and the buckle is installed on the box body, and the other is installed on the closed door.

9. The high and low temperature test chamber with uniform heat diffusion according to claim 7, characterized in that: A moving assembly is arranged at the bottom of the box body. The moving assembly comprises an elastic pad installed at the bottom of the box body and a caster installed on the elastic pad. The caster is provided with a brake.

10. The high and low temperature test chamber with uniform heat diffusion according to claim 9, characterized in that: The elastic pad is formed by stacking multiple rubber layers.

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