High-temperature dynamic aging test device for high-power microwave tube

Abstract

The utility model relates to the technical field of high-power microwave tube testing, and discloses a high-power microwave tube high-temperature dynamic aging testing device which comprises a temperature control chamber, a heating cavity is arranged on one side in the temperature control chamber, a cooling cavity is arranged on the other side in the temperature control chamber, a first through groove is arranged on one side close to the heating cavity, and a second through groove is arranged on one side close to the cooling cavity. The heating cavity is communicated with the first through groove through a first exhaust hole, a second through groove is formed in the side close to the cooling cavity, the cooling cavity is communicated with the second through groove through a second exhaust hole, a heating assembly is installed on the upper surface of the temperature control chamber, and a cooling assembly is installed on one side of the temperature control chamber. The cooling assembly comprises a condensation box. According to the utility model, the microwave tube is subjected to high-intensity heating by the heating assembly through the through groove I and the exhaust hole I, the condensate water is conveyed to the transmission shell by the circulating pump to transmit cold air, and the condensation plate is matched with the radiating fins to further cool, so that the cooling water is recycled, and the practicability of the testing machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -power microwave tube test technical field especially relates to a high -power microwave tube high temperature dynamic aging test device. BACKGROUND

[0002] High -power microwave tube as radar, communication, medical equipment and industrial heating etc. The core device in the field, its reliability and stability are directly related to the performance of the whole system. In practical application, high -power microwave tube often needs to work under the extreme conditions such as high temperature, high humidity and high voltage for a long time, which puts forward very high requirement to the durability and performance of the device. In order to ensure the reliability of high -power microwave tube in actual use, high temperature dynamic aging test becomes an indispensable link in its production process. Through simulating extreme working environment, high temperature dynamic aging test machine can effectively evaluate the performance limit and life of microwave tube, thereby providing guarantee for product quality.

[0003] The existing high -power microwave tube high temperature dynamic aging test device usually adopts fixed heating and cooling structure, and the microwave tube is heated by heating element, and is cooled by air cooling or water cooling system. In the test process, the microwave tube is fixed in the test cavity, and the actual working condition is simulated by controlling the heating temperature and cooling speed. Although this structure can realize the basic aging test function, there are certain deficiencies in heating uniformity, cooling efficiency and test flexibility, especially when dealing with different specifications of microwave tube, it is difficult to realize efficient and accurate test.

[0004] However, in the prior art, the heating and cooling system is designed independently, the heat distribution is uneven during heating, the cooling speed is slow during cooling, and rapid and accurate temperature switching is difficult to realize. This not only prolongs the test time, but also may cause the microwave tube to be damaged due to temperature fluctuation during the test, reduces the test efficiency and equipment practicability, and therefore proposes a high -power microwave tube high temperature dynamic aging test device to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of high -power microwave tube high temperature dynamic aging test device, to improve the prior art due to heating cooling system independent, heat distribution is uneven, slow cooling, difficult to accurately control temperature, lead to long test time, temperature fluctuation, reduce efficiency and practicability.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of high-power microwave tube high-temperature dynamic aging test device, including temperature control room, heating cavity is arranged in one side of temperature control room interior, cooling cavity is arranged in the other side of temperature control room interior, and through slot one is arranged in heating cavity side, heating cavity is connected with through slot one by exhaust hole one, and through slot two is arranged in cooling cavity side, and cooling cavity is connected with through slot two by exhaust hole two, heating assembly is installed on the upper surface of temperature control room, cooling assembly is installed on the side of temperature control room;

[0007] The cooling assembly includes a condenser, which is arranged on one side of the temperature control room. The condenser is fixedly connected with a condenser plate on one side of the interior. The condenser plate is fixedly connected with a heat dissipation fin on one side. The outer wall of the temperature control room is fixedly connected with a transmission shell. The transmission shell is connected with the through slot two. A circulation pipe is arranged between the transmission shell and the condenser. A circulation pump is arranged outside the circulation pipe.

[0008] Further, the heating assembly includes a fixed cover, which is fixedly connected to the upper surface of the temperature control room and is connected with the through slot one. The fixed cover is fixedly connected with a heating wire inside. The upper surface of the temperature control room is fixedly connected with a fixed shell. The fixed shell is penetrated by a fan one inside.

[0009] Further, the condenser is fixedly connected with a fan two inside the condenser, and the transmission shell is penetrated by a plurality of fan threes inside.

[0010] Further, the inner wall of the temperature control room is fixedly connected with a support frame, and the upper surface of the support frame is fixedly connected with a sliding rail.

[0011] Further, a transmission mechanism is installed inside the temperature control room. The outer side of the transmission mechanism is provided with a sliding plate. The lower surface of the sliding plate is slidingly connected to the outer wall of the sliding rail.

[0012] Further, a plurality of support plates are fixedly connected to the upper surface of the sliding plate. A plurality of external racks are arranged on one side of the outer wall of the support plate.

[0013] Further, a limiting block is slidingly connected inside the support plate. A clamping block is slidingly connected to the outer wall of the support plate. The clamping block is engaged with the outer wall of the external rack.

[0014] Further, a positioning bolt is penetrated through the interior of the clamping block. The positioning bolt is threadedly connected to the interior of the limiting block. A V-shaped clamping block is fixedly connected to one side of the outer wall of the clamping block.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a heating assembly passes through the through -slot one and the air vent one to the high -strength heating operation of big power microwave tube is carried out to the heat energy, and then the circulating pump is passed through the circulation pipe transmission to the transmission shell inside transmission cold air's effect that condenses the water in the condensing box, and simultaneously through the cooperation of condensing board and radiating fin, realized further cooling circulating use's effect to cooling water, and then improved the practicality of device.

[0017] 2. The utility model discloses through the big power microwave tube is located in the one side of support board, through the sliding block and makes V -shaped clamping block resist in the outer wall of big power microwave tube, at this time, the effect that fixed big power microwave tube is realized again through installing the locating bolt in the limiting block, and then the effect that big power microwave tube is switched to between heating cavity and cooling cavity is realized through the transmission mechanism and drives the sliding plate to slide on the outer wall of slide rail, and then improved the practicality of device. DRAWINGS

[0018] Figure 1 It is a kind of big power microwave tube high temperature dynamic aging test device's three-dimensional structure schematic diagram that the utility model proposes;

[0019] Figure 2 It is a kind of condensing box partial structure schematic diagram of big power microwave tube high temperature dynamic aging test device that the utility model proposes;

[0020] Figure 3 It is a kind of support frame partial structure schematic diagram of big power microwave tube high temperature dynamic aging test device that the utility model proposes;

[0021] Figure 4 It is a kind of sliding plate partial structure schematic diagram of big power microwave tube high temperature dynamic aging test device that the utility model proposes.

[0022] Legend:

[0023] 1, temperature control room, 2, heating cavity, 3, cooling cavity, 4, through -slot one, 5, fixed cover, 6, heating wire, 7, fixed shell, 8, fan one, 9, air vent one, 10, condensing box, 11, condensing board, 12, radiating fin, 13, fan two, 14, circulating pump, 15, circulation pipe, 16, transmission shell, 17, fan three, 18, support frame, 19, slide rail, 20, sliding plate, 21, transmission mechanism, 22, support board, 23, external rack, 24, locating bolt, 25, block, 26, limiting block, 27, V-shaped clamping block, 28, through -slot two, 29, air vent two. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0025] With reference to Figure 1 - Figure 4The utility model provides a kind of embodiment: a kind of high-power microwave tube high-temperature dynamic aging test device, including temperature control room 1, heating cavity 2 is provided in one side inside temperature control room 1, heating cavity 2 is used to provide high-temperature environment to the microwave tube to be measured, ensure the temperature condition of aging test, cooling cavity 3 is provided in another side inside temperature control room 1, cooling cavity 3 is used to carry out temperature reduction treatment to microwave tube, avoid damage caused by temperature excessively high, close to heating cavity 2 side and be provided with through slot one 4, through slot one 4 is used to connect heating cavity 2 with external airflow passage, heating cavity 2 and through slot one 4 are connected by exhaust hole one 9, exhaust hole one 9 is used to discharge waste gas generated during heating process, ensure internal environment stability, close to cooling cavity 3 side and be provided with through slot two 28, through slot two 28 is used to connect cooling cavity 3 with external exhaust passage, cooling cavity 3 and through slot two 28 are connected by exhaust hole two 29, exhaust hole two 29 realizes the smooth discharge of airflow in cooling process, avoid condensate accumulation, heating assembly is installed on the upper surface of temperature control room 1, heating assembly provides sustained heat source for heating cavity 2, cooling assembly is installed on one side of temperature control room 1, and cooling assembly provides cooling capacity for cooling cavity 3;Cooling assembly includes condensing box 10, condensing box 10 is arranged on one side of temperature control room 1, is used to collect and cool the hot gas discharged from cooling cavity 3, condensing plate 11 is fixedly connected on one side inside condensing box 10, condensing plate 11 increases heat exchange area, accelerates gas condensation speed, condensing plate 11 side is fixedly connected with heat dissipation fin 12, heat dissipation fin 12 further improves heat dissipation effect, ensures condensing efficiency, one side of the outer wall of temperature control room 1 is fixedly connected with transmission shell 16, transmission shell 16 is connected with through slot two 28, transmission shell 16 provides airflow passage between condensing box 10 and cooling cavity 3, circulation pipe 15 is arranged between transmission shell 16 and condensing box 10, circulation pipe 15 is used for the circulation flow of airflow and condensate, circulation pump 14 is arranged on the outside of circulation pipe 15, and circulation pump 14 provides power for the gas-liquid flow in circulation pipe 15, to ensure cooling effect;Heating assembly includes fixed cover 5, and the lower surface of fixed cover 5 is fixedly connected on the upper surface of temperature control room 1 and is connected with through slot one 4, and fixed cover 5 is used to protect heating element and concentrate heat, to accelerate heating speed, heating wire 6 is fixedly connected in fixed cover 5, and heating wire 6 provides heat source for heating cavity 2, to ensure that the temperature in temperature control room 1 is controllable, and fixed shell 7 is fixedly connected on the upper surface of temperature control room 1, and fan one 8 is arranged in fixed shell 7, and fan one 8 is used to promote airflow circulation, to make heating and cooling more uniform.

[0026] Specifically, the high-power microwave tube high-temperature dynamic aging test device realizes high-temperature aging test and rapid cooling process of the microwave tube by the cooperation of heating cavity 2 and cooling cavity 3, and the collaborative work of heating assembly and cooling assembly, ensures the stability and safety of the test environment, avoids damage to the microwave tube due to high temperature or delayed heat dissipation, improves the reliability and efficiency of the test, and is suitable for performance detection and aging evaluation of high-power microwave tubes in high-temperature environment.

[0027] With reference to Figure 1 - Figure 4 The inner side of the condensing box 10 close to the condensing plate 11 is fixedly connected with a fan two 13, which is used to accelerate the air flow speed on the surface of the condensing plate 11, improve the condensing efficiency, enhance the heat dissipation effect, and avoid heat accumulation in the condensing box 10; a plurality of fan threes 17 are arranged through the inside of the transmission shell 16, which is used to enhance the air circulation in the transmission shell 16, ensure that the hot air discharged from the cooling cavity 3 is sent into the condensing box 10 for cooling treatment in time, and improve the cooling efficiency; the inner wall of the temperature control chamber 1 is fixedly connected with a support frame 18, which is used to provide a stable support basis for the internal transmission mechanism 21 and the sliding plate 20, ensure the stability of the structure, and the upper surface of the support frame 18 is fixedly connected with a sliding rail 19, which provides sliding guidance for the sliding plate 20, ensures the smooth sliding process, and avoids deviation and jamming; the inside of the temperature control chamber 1 is provided with a transmission mechanism 21, which is used to drive the sliding plate 20 to reciprocatingly slide on the sliding rail 19, realize the adjustment and movement of the microwave tube test position, and improve the operation flexibility and adaptability of the equipment; the outside of the transmission mechanism 21 is provided with a sliding plate 20, which is used as an execution component of the transmission mechanism 21, and realizes stable movement along the sliding rail 19, ensuring accurate positioning of the microwave tube; the lower surface of the sliding plate 20 is slidingly connected to the outer wall of the sliding rail 19, ensuring smooth sliding process and avoiding shaking or jamming; the upper surface of the sliding plate 20 is fixedly connected with a plurality of support plates 22, which are used to place and fix the microwave tube, ensuring the stability of the microwave tube during the test process and avoiding the influence of vibration or displacement on the test results; a plurality of external racks 23 are arranged on one side of the outer wall of the support plate 22, which cooperate with the clamping block 25 to realize the positioning adjustment of the support plate 22, and facilitate adjustment according to microwave tubes of different specifications; the inside of the support plate 22 is slidingly connected with a limiting block 26, which is used to limit the sliding range of the clamping block 25, ensure the safety and accuracy during the adjustment process, and avoid loosening or slipping; the outer wall of the support plate 22 is slidingly connected with a clamping block 25, which is clamped on the outer wall of the external rack 23, realizes quick locking and position fixing of the support plate 22, is simple and convenient to operate, and is convenient for adjusting the test position of the microwave tube; the inside of the clamping block 25 is provided with a positioning bolt 24, the outer wall of which is threadedly connected in the inside of the limiting block 26, which is used to lock the clamping block 25, avoid displacement of the clamping block 25 during work, and improve the stability of the structure; the outer wall of the clamping block 25 is fixedly connected with a V-shaped clamping block 27, which is used to clamp and fix the microwave tube, ensure the stability of the microwave tube during the high-temperature aging test process, and avoid shaking and falling off.

[0028] Specifically, the structure design improves the heat dissipation and cooling efficiency through the reasonable layout of the condensing system and air circulation, and the cooperation of the transmission mechanism 21 and the support assembly makes the microwave tube installation stable and convenient to adjust, ensures the safety and stability during the high-temperature dynamic aging test process, improves the test efficiency and the practicality of the device, and meets the accurate test requirements of the high-power microwave tube under high-temperature environment.

[0029] Working principle: when the high-temperature dynamic aging test device is needed to test the high-power microwave tube, first place the high-power microwave tube on one side of the support plate 22, then pull the clamping block 25 to make the clamping block 25 clamped on the outer wall of the external rack 23, then make the V-shaped clamping block 27 abut against the outer wall of the high-power microwave tube, and then install the positioning bolt 24 in the limiting block 26, so as to realize the effect of conveniently fixing the high-power microwave tube, then start the transmission mechanism 21 to drive the sliding plate 20 to move on the outer wall of the sliding rail 19 to the vicinity of the heating cavity 2, then start the fan 8 to drive the airflow to pass through the heating wire 6 and then transmit to the through slot 4, then transmit the heat to the vicinity of the high-power microwave tube through the exhaust hole 9, so as to realize the effect of efficient heating test, then drive the sliding plate 20 to the vicinity of the cooling cavity 3 through the transmission mechanism 21, then start the circulating pump 14 to drive the circulating pump 14 to transmit the condensate water in the condensing tank 10 to the transmission shell 16 through the circulating pipe 15, then drive the airflow to pass through the circulating pipe 15 and then transmit to the through slot 2 8 through the fan 3 7, and then uniformly transmit to the exhaust hole 2 9, so as to realize the effect of efficiently cooling the high-power microwave tube, and then start the fan 2 13 to drive the airflow to pass through the condensing plate 11 and the cooling fin 12 for rapid cooling, so as to realize the effect of efficiently cooling the high-power microwave tube.

[0030] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A high-power microwave tube high-temperature dynamic aging test device comprising a temperature control chamber (1), characterized in that: The temperature control room (1) is provided with a heating cavity (2) on one side, a cooling cavity (3) on the other side, a through slot (4) near the heating cavity (2), a through slot (28) near the cooling cavity (3), a heating assembly on the upper surface of the temperature control room (1), and a cooling assembly on one side of the temperature control room (1). The cooling assembly comprises a condensing box (10) provided on one side of the temperature control room (1), a condensing plate (11) fixedly connected to one side of the condensing box (10), a heat dissipation fin (12) fixedly connected to one side of the condensing plate (11), a transmission shell (16) fixedly connected to one side of the outer wall of the temperature control room (1), the transmission shell (16) being in communication with the through slot (28), a circulating pipe (15) provided between the transmission shell (16) and the condensing box (10), and a circulating pump (14) provided on the outside of the circulating pipe (15).

2. The high-power microwave tube high-temperature dynamic aging test device according to claim 1, characterized in that: The heating assembly comprises a fixed cover (5) fixedly connected to the upper surface of the temperature control room (1) and in communication with the through slot (4), a heating wire (6) fixedly connected to the inside of the fixed cover (5), and a fixed shell (7) fixedly connected to the upper surface of the temperature control room (1) and provided with a fan (8) penetrating therethrough.

3. The high-power microwave tube high-temperature dynamic aging test device according to claim 1, characterized in that: The condensing box (10) is fixedly connected to one side of the condensing plate (11) and provided with a fan (13) penetrating through the inside of the condensing box (10), and the transmission shell (16) is provided with a plurality of fans (17) penetrating through the inside of the transmission shell (16).

4. The high-power microwave tube high-temperature dynamic aging test device according to claim 1, characterized in that: The temperature control room (1) is fixedly connected to a support frame (18) on the inner wall, and the support frame (18) is fixedly connected to a sliding rail (19) on the upper surface.

5. The high-power microwave tube high-temperature dynamic aging test device according to claim 1, characterized in that: The temperature control room (1) is provided with a transmission mechanism (21) inside, a sliding plate (20) is provided on the outside of the transmission mechanism (21), and the lower surface of the sliding plate (20) is slidingly connected to the outer wall of the sliding rail (19).

6. The high-power microwave tube high-temperature dynamic aging test device according to claim 5, characterized in that: The upper surface of the sliding plate (20) is fixedly connected to a plurality of support plates (22), and the outer wall of each support plate (22) is provided with a plurality of external racks (23).

7. The high-power microwave tube high-temperature dynamic aging test device according to claim 6, characterized in that: A limiting block (26) is slidingly connected to the inside of each support plate (22), a clamping block (25) is slidingly connected to the outer wall of each support plate (22), and the clamping block (25) is clamped to the outer wall of each external rack (23).

8. The high-power microwave tube high-temperature dynamic aging test device according to claim 7, characterized in that: A positioning bolt (24) is penetratingly provided in the clamping block (25), the outer wall of the positioning bolt (24) is threadedly connected to the inside of the limiting block (26), and the outer wall of the clamping block (25) is fixedly connected to a V-shaped clamping block (27) on one side.

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