Temperature difference testing machine for radar shell

Abstract

The utility model relates to the technical field of temperature difference testing of radar shells, and discloses a temperature difference testing machine for a radar shell, which comprises a testing box, and a testing mechanism is arranged on the outer side of the testing box. The testing mechanism comprises a stepping motor, the power output end of the stepping motor penetrates through the testing box and is fixedly provided with a threaded rod, the outer surface of the threaded rod is in threaded connection with a movable frame, the outer surface of the movable frame is slidably connected with the inner wall of the testing box, and two first electric telescopic rods are fixedly installed on the inner side wall of the movable frame. A clamping plate is fixedly mounted at the telescopic end of each first electric telescopic rod, the bottom surface of each clamping plate is slidably connected with the inner bottom wall of the movable frame, and three electric heating resistance wires are fixedly mounted on the inner top wall of the test box. According to the temperature difference testing machine for the radar shell, by arranging the testing mechanism, the temperature in the testing box does not need to be switched between high temperature and low temperature in the temperature difference testing process of the radar shell, and therefore energy loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to radar shell temperature difference test technical field, concretely is a kind of temperature difference testing machine for radar shell. BACKGROUND

[0002] Radar shell refers to the protective structure wrapped in the exterior of radar equipment, and its main function is to protect the key components such as electronic components and antennas inside the radar from the influence of external environmental factors, and the radar shell needs to be tested for temperature difference before use, so as to simulate extreme temperature changes, test the performance of the radar shell under different temperature conditions, and ensure that it can work normally in various harsh environments, maintain the stability and reliability of the radar system.

[0003] At present, when the existing testing machine tests the radar shell, the radar shell is usually placed in the testing machine, the temperature inside the testing machine is raised to test the radar shell at high temperature, and then the temperature inside the testing machine is lowered to test the radar shell at low temperature, but during the test, the temperature inside the testing machine needs to be converted between high temperature and low temperature, thereby increasing the energy loss and reducing the practicability.

[0004] Therefore, the skilled in the art provides a temperature difference testing machine for radar shell to solve the problems raised in the background. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a temperature difference testing machine for radar shell to solve the problems raised in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A temperature difference testing machine for radar shell, comprising a test box, a testing mechanism is arranged on the outer side of the test box;

[0008] The test mechanism comprises a stepping motor, the output end of the stepping motor is provided with a threaded rod which is fixedly installed through the test box, the outer surface of the threaded rod is threadedly connected with a movable frame, the outer surface of the movable frame is slidably connected with the inner wall of the test box, the inner side wall of the movable frame is fixedly installed with two first electric telescopic rods, the telescopic end of each first electric telescopic rod is fixedly installed with a clamping plate, the bottom surface of each clamping plate is slidably connected with the inner bottom wall of the movable frame, the inner top wall of the test box is fixedly installed with three electric heating wires, the inner wall of the test box is fixedly installed with three semiconductor refrigerating sheets, the inner side wall of the test box is fixedly installed with a plurality of temperature sensors, the inner wall of the test box is fixedly installed with a plurality of fixing frames, the inner wall of each fixing frame is slidably connected with a heat insulation plate, and the inner wall of the test box is fixedly installed with a plurality of second electric telescopic rods, and the telescopic end of each second electric telescopic rod is fixedly connected with the upper surface of the heat insulation plate.

[0009] As a further scheme of the utility model: the bottom surface of the test box is fixedly installed with four supporting legs, and the bottom end of each supporting leg is fixedly installed with a grounding disc.

[0010] As a further scheme of the utility model: the inner wall of the test box is movably hinged with a switch door, and the left side surface of the switch door is fixedly installed with a handle.

[0011] As a further scheme of the utility model: the inner wall of the switch door is fixedly installed with a first glass plate, and the inner wall of the test box is fixedly installed with a plurality of second glass plates.

[0012] As a further scheme of the utility model: the inner side wall of the test box is fixedly installed with three limiting plates, and the bottom surface of each limiting plate is fixedly installed with two fans.

[0013] As a further scheme of the utility model: the bottom surface of the stepping motor is fixedly installed with a protection box, and the back surface of the protection box is fixedly connected with the front surface of the test box.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a telescopic nature provided by first electric telescopic link can drive the clamping plate to move, so that the clamping plate can be clamped and limited to the radar shell, and the power provided by the stepper motor can drive the threaded rod to rotate, so that the threaded rod can drive the movable frame to move, the telescopic nature provided by second electric telescopic link can drive the heat insulation plate to move up and down, so that the heat insulation plate can close and open the fixed frame, so that the radar shell can move in the test box, the space in the test box can be separated through the fixed frame, the heat provided by electric heating resistance wire can heat multiple spaces, and the semiconductor refrigeration sheet can refrigerate multiple spaces, and the temperature sensor can monitor the temperature of each separated space, so that in the test process, the temperature in the test box does not need to be converted back and forth between high temperature and low temperature, thereby reducing the energy loss, and achieving the effect that practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of radar shell's temperature difference testing machine's structural diagram;

[0017] Figure 2 It is a kind of radar shell's temperature difference testing machine's test box cross-sectional structure diagram;

[0018] Figure 3 It is a kind of radar shell's temperature difference testing machine's clamping plate structure diagram;

[0019] Figure 4 It is a kind of radar shell's temperature difference testing machine's fixed frame cross-sectional structure diagram.

[0020] In the drawing: 1, test box;2, test mechanism;201, stepper motor;202, threaded rod;203, movable frame;204, first electric telescopic link;205, clamping plate;206, electric heating resistance wire;207, semiconductor refrigeration sheet;208, temperature sensor;209, fixed frame;210, second electric telescopic link;211, heat insulation plate;3, support leg;4, grounding disc;5, switch door;6, handle;7, first glass plate;8, second glass plate;9, limit plate;10, fan;11, protection box. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4 A kind of radar shell's temperature difference testing machine, including test box 1, the outside of test box 1 is provided with test mechanism 2;

[0022] The test mechanism 2 comprises a stepping motor 201, the output end of the stepping motor 201 is threaded through the test box 1 and is fixedly installed with a threaded rod 202, the outer surface of the threaded rod 202 is threadedly connected with a movable frame 203, the outer surface of the movable frame 203 is slidably connected with the inner wall of the test box 1, the bottom surface of the test box 1 is fixedly installed with four supporting legs 3, the bottom end of each supporting leg 3 is fixedly installed with a grounding disc 4, the test box 1 can be supported through the supporting legs 3, the grounding disc 4 can increase the friction between the supporting leg 3 and the ground, and the stability of the device is increased.

[0023] The inner side wall of the movable frame 203 is fixedly installed with two first electric telescopic rods 204, the telescopic end of each first electric telescopic rod 204 is fixedly installed with a clamping plate 205, the bottom surface of each clamping plate 205 is slidably connected with the inner bottom wall of the movable frame 203, the inner top wall of the test box 1 is fixedly installed with three electric heating wires 206, the inner wall of the test box 1 is hingedly connected with a switch door 5, the left side of the switch door 5 is fixedly installed with a handle 6, the switch door 5 can be manually opened through the handle 6, so that the radar shell is conveniently placed and taken, and the convenience of the device is increased.

[0024] The inner wall of the test box 1 is fixedly installed with three semiconductor refrigerating fins 207, the inner side wall of the test box 1 is fixedly installed with a plurality of temperature sensors 208, the inner wall of the test box 1 is fixedly installed with a plurality of fixing frames 209, the inner wall of the switch door 5 is fixedly installed with a first glass plate 7, and the inner wall of the test box 1 is fixedly installed with a plurality of second glass plates 8, the radar shell can be conveniently observed by personnel through the first glass plate 7 and the second glass plate 8, so that personnel can conveniently check the radar shell under test, and the practicality of the device is increased.

[0025] The inner wall of each fixing frame 209 is slidably connected with a heat insulation plate 211, the inner wall of the test box 1 is fixedly installed with a plurality of second electric telescopic rods 210, the telescopic end of each second electric telescopic rod 210 is fixedly connected with the upper surface of the heat insulation plate 211, the inner side wall of the test box 1 is fixedly installed with three limiting plates 9, the bottom surface of each limiting plate 9 is fixedly installed with two fans 10, the fans 10 can be limited through the limiting plates 9, so that the fans 10 can radiate heat from the heating surface of the semiconductor refrigerating fin 207, and the practicality of the device is increased again.

[0026] The bottom surface of the stepping motor 201 is fixedly installed with a protection box 11, the back surface of the protection box 11 is fixedly connected with the front surface of the test box 1, the stepping motor 201 can be supported and protected through the protection box 11, so that the stepping motor 201 is prevented from shaking and deviating when working, and the stability of the stepping motor 201 is increased.

[0027] The working principle of this utility model is as follows: In use, firstly, the stepper motor 201, the first electric telescopic rod 204, the heating element 206, the semiconductor cooling chip 207, the temperature sensor 208, and the second electric telescopic rod 210 are powered on. When a temperature difference test is required on the radar housing, the handle 6 can be manually held to open the door 5, facilitating the placement of the radar housing on the movable frame 203. The telescopic nature of the first electric telescopic rod 204 moves the clamping plate 205, allowing it to clamp and limit the radar housing. The power provided by the stepper motor 201 drives the threaded rod 202 to rotate, enabling the movable frame 203 to move. The telescopic nature of the second electric telescopic rod 210 also drives the thermal insulation... The plate 211 moves up and down, allowing the insulation plate 211 to close and open the fixing frame 209, thus enabling the radar housing to move within the test chamber 1. The fixing frame 209 divides the internal space of the test chamber 1. The heat provided by the heating wire 206 heats multiple spaces, each with a different heat level. The semiconductor cooling chip 207 cools multiple spaces, each with a different temperature. The fan 10 dissipates heat from the heating surface of the semiconductor cooling chip 207. The temperature sensor 208 monitors the temperature of each separated space. This eliminates the need for repeated high and low temperature switching within the test chamber 1 during testing, reducing energy loss and enhancing the practicality of the temperature difference tester for the radar housing.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A temperature difference testing machine for radar housing, comprising a testing chamber (1), characterized in that: The test box (1) is provided with a test mechanism (2) on its outer side; The testing mechanism (2) includes a stepper motor (201). The output end of the stepper motor (201) passes through the test box (1) and is fixedly mounted with a threaded rod (202). The outer surface of the threaded rod (202) is threadedly connected to a movable frame (203). The outer surface of the movable frame (203) is slidably connected to the inner wall of the test box (1). Two first electric telescopic rods (204) are fixedly mounted on the inner side wall of the movable frame (203). Each first electric telescopic rod (204) has a clamping plate (205) fixedly mounted on its telescopic end. The bottom surface of each clamping plate (205) is slidably connected to the inner bottom wall of the movable frame (203). The inner top wall of the test box (1) is fixedly equipped with three heating resistance wires (206), the inner wall of the test box (1) is fixedly equipped with three semiconductor cooling chips (207), the inner side wall of the test box (1) is fixedly equipped with several temperature sensors (208), the inner wall of the test box (1) is fixedly equipped with several fixing brackets (209), the inner wall of each fixing bracket (209) is slidably connected with a heat insulation plate (211), the inner wall of the test box (1) is fixedly equipped with several second electric telescopic rods (210), and the telescopic end of each second electric telescopic rod (210) is fixedly connected to the upper surface of the heat insulation plate (211).

2. The temperature difference testing machine for radar housing according to claim 1, characterized in that: The test box (1) has four support legs (3) fixedly installed on its bottom surface, and each support leg (3) has a grounding plate (4) fixedly installed at its bottom end.

3. A temperature difference testing machine for radar housing according to claim 1, characterized in that: The inner wall of the test box (1) is hinged to a switch door (5), and a handle (6) is fixedly installed on the left side of the switch door (5).

4. A temperature difference testing machine for radar housing according to claim 3, characterized in that: The inner wall of the switch door (5) is fixedly installed with a first glass plate (7), and the inner wall of the test box (1) is fixedly installed with several second glass plates (8).

5. A temperature difference testing machine for radar housing according to claim 1, characterized in that: The inner wall of the test box (1) is fixedly installed with three limiting plates (9), and two fans (10) are fixedly installed on the bottom surface of each limiting plate (9).

6. A temperature difference testing machine for radar housing according to claim 1, characterized in that: A protective box (11) is fixedly installed on the bottom surface of the stepper motor (201), and the back of the protective box (11) is fixedly connected to the front of the test box (1).

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