Rainproof ventilation device

Abstract

The present invention relates to a rainproof ventilation device, belonging to the field of radar antenna protection technology. The device body is composed of a mounting frame, a water baffle, a guide cover, a support column, an outer cover, a mounting plate, a multi-layer filter screen assembly, a filter screen, and a plurality of screws. The water baffle is fixed to the mounting frame with screws and waterproof sealant. After fixing, a first water guide trough a is formed between the mounting frame and the upper portion of the water baffle; a second water guide trough b is formed on the upper portion of the water baffle; the guide cover is fixed to the mounting frame with screws, and a third water guide trough c is formed on its lower portion; the outer cover is fixed to the mounting frame via support columns and screws, and a multi-layer filter screen assembly is fixed to the top of the outer cover via a mounting plate and screws; a fourth water guide trough d is formed on the lower portion of the mounting frame, and a filter screen is fixed to the inner side of the mounting frame via screws. The device is suitable for use with antenna array panels, is manufactured in a small size, has strong rainproof performance, good ventilation and heat dissipation effects, and is low in cost. It solves the problems of the prior art, such as the large number of refrigeration equipment, large space occupation, high cost, and poor rainproof performance.

Description

Technical Field

[0001] The invention relates to a rainproof ventilation device, belonging to the technical field of radar antenna protection. Background Art

[0002] The higher the radar detection accuracy, the larger the array size and transmission power. To reduce energy loss in the transmission link, the integrated design of the power amplifier module and the antenna array has become an inevitable trend. However, vehicle-mounted mobile radars must ensure that the radar antenna installation time is short and meets the requirements of highway transportation load limits and railway transportation boundary indicators. As a result, the thickness of the antenna array panel is limited, and how to solve the heat dissipation problem within the limited space becomes a design focus.

[0003] Currently, the main heat dissipation methods for vehicle-mounted mobile radar antenna array panels are liquid cooling and forced air cooling. Liquid cooling has a good cooling effect, but it requires a lot of refrigeration equipment, takes up a lot of space, and is costly. Forced air cooling dissipates heat through the circulation of air between the outside air and the air inside the antenna panel, which just makes up for the above-mentioned shortcomings of liquid cooling. However, there are many electronic devices installed inside the vehicle-mounted mobile radar antenna panel. How to prevent any rainwater from entering the antenna panel while dissipating heat is a difficult problem that designers urgently need to solve. Summary of the Invention

[0004] The object of the present invention is to provide a rainproof and ventilation device that is suitable for use with antenna array panel blocks, does not require a large amount of refrigeration equipment, has strong rainproof performance, good ventilation and heat dissipation effects, is small in size, and has low cost, in response to the above-mentioned deficiencies in the existing technology; to solve the problems of the existing liquid cooling heat dissipation method that requires a large amount of refrigeration equipment, occupies a large space, and is high in cost, and the air cooling heat dissipation method that has poor rainproof performance when used for vehicle-mounted mobile radar antenna array panel blocks.

[0005] The present invention achieves the above-mentioned object of the invention through the following technical solutions:

[0006] A rainproof ventilation device, comprising a device body; its characteristics are: the device body is composed of a mounting frame, a water baffle, a guide cover, an outer cover, a support column, a mounting plate, a multi-layer filter assembly, a filter screen and a plurality of screws; the mounting frame is mounted on the ventilation part of the antenna array panel through a flange; the mounting frame is a U-shaped symmetrical structure, with U-shaped grooves a made at both ends, and a drainage hole a is opened in the U-shaped groove a; the water baffle is fixed to the mounting frame by screws and waterproof sealant, and after fixing, a first layer of water guide groove a is formed between the mounting frame and the upper part of the water baffle; the water baffle is a bent symmetrical structure, with concave grooves made at both ends Groove, the upper part of the water retaining plate forms a second layer of water guide groove b; the deflector cover is fixed to the mounting frame by screws, the deflector cover is an inward-concave symmetrical structure, and the lower part of the deflector cover forms a third layer of water guide groove c, and U-shaped grooves c are made at both ends of the deflector cover, and drainage holes c are opened in the U-shaped grooves c; the outer cover is fixed to the mounting frame by support columns and screws, and a multi-layer filter screen combination is fixed to the top of the outer cover by a mounting plate and screws; the lower part of the mounting frame forms a fourth layer of water guide groove d, and the fourth layer of water guide groove d is made of U-shaped groove d, and a drainage hole d is opened in the U-shaped groove d, and a filter screen is fixed to the inside of the mounting frame by screws.

[0007] The manufacturing dimensions of the device body are 500mm long×240mm wide×50mm thick, and the weight is 2.5kg.

[0008] The multi-layer filter screen combination consists of a transverse corrugated filter screen, a longitudinal corrugated filter screen and a plain filter screen.

[0009] The top of the outer cover is provided with two main air inlets, and ventilation holes are evenly distributed around the outer cover. The multi-layer filter assembly is fixedly installed in the outer cover corresponding to the two main air inlets.

[0010] The ventilation process of the device body is as follows: the air on the top of the outer cover passes through the main air outlet, is filtered by the multi-layer filter combination, is filtered by the filter, and reaches the inner side of the antenna array panel; the air around the outer cover passes through the vent hole, the guide cover, the water baffle, the filter, and reaches the inner side of the antenna array panel.

[0011] The rain protection process of the device body is as follows: rainwater on the top of the outer cover accumulates in the first water guide groove a and the second water guide groove b - flows downwardly out of the outer cover along the two sides of the first water guide groove a and the second water guide groove b; rainwater on the top of the outer cover - the falling speed of raindrops is weakened by the multi-layer filter group - the raindrops are dispersed into several smaller water droplets - these smaller water droplets gather on the multi-layer filter combination - flow downward along the multi-layer filter combination to the third water guide groove c and accumulate - flow out through the drainage hole c of the deflector cover - and the accumulated water at the bottom of the outer cover is discharged through the drainage hole d of the fourth water guide groove d at the bottom of the mounting frame.

[0012] There are multiple transverse corrugated filter screens, longitudinal corrugated filter screens and plain filter screens.

[0013] The beneficial effects of the present invention compared with the prior art are:

[0014] The device body of the present invention is very thin and occupies little space. The two main air outlets arranged on the top of the outer cover of the device body and the air vents evenly distributed around the outer cover have good ventilation and heat dissipation effects. The air directly enters the top surface of the outer cover + the air enters the four sides of the outer cover, which has a large ventilation volume and high ventilation efficiency; the multi-layer filter screen combination composed of a horizontal wavy filter screen, a longitudinal wavy filter screen and a plain filter screen installed on the top surface of the outer cover effectively reduces the splashing speed of raindrops, so that the water droplets flow along the multi-layer filter screen combination to the third layer of water guide groove c at the bottom of the deflector cover, accumulate, and then flow out from the drainage hole c on the side of the deflector cover, and finally flow out from the bottom of the outer cover. Rainwater entering from the top first accumulates in the first-layer water guide trough and flows out from both sides; rainwater entering from the vent hole accumulates in the second-layer water guide trough, flows along both sides of the water retaining plate to the lower part of the outer cover, and finally flows out from the drainage holes at the lower part of the outer cover; it is suitable for use with antenna array panels, does not require a large amount of refrigeration equipment, has strong rainproof performance, good ventilation and heat dissipation effects, has a small manufacturing size of 500mm in length, 240mm in width, 50mm in thickness, weighs 2.5kg, and has a low manufacturing cost; within a limited thickness size range, it achieves outstanding substantial effects of both ventilation and waterproofing; it solves the problems of existing liquid cooling heat dissipation methods that require a large amount of refrigeration equipment, occupy a large space, and are high in cost, and the problems of air cooling heat dissipation methods that have poor rainproof performance when used for vehicle-mounted mobile radar antenna array panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a rainproof ventilation device of the present invention;

[0016] Figure 2 This is a schematic diagram of the main structure of the mounting frame of the present invention;

[0017] Figure 3 It is a side structural schematic diagram of the mounting frame of the present invention;

[0018] Figure 4 This is a schematic diagram of the main structure of the water retaining plate of the present invention;

[0019] Figure 5 It is a side structural schematic diagram of the water retaining plate of the present invention;

[0020] Figure 6 This is a schematic diagram of the main structure of the air deflector of the present invention;

[0021] Figure 7 It is a side structural schematic diagram of the air guide cover of the present invention;

[0022] Figure 8 This is a schematic diagram of the main structure of the outer cover;

[0023] Figure 9 Schematic diagram of the side structure of the outer cover;

[0024] Figure 10 This is a schematic diagram of the axonometric structure of a rainproof ventilation device of the present invention;

[0025] Figure 11 This is a schematic diagram of ventilation and rain protection of a rainproof ventilation device of the present invention.

[0026] In the figure: 1 mounting frame, 2 water baffle, 3 deflector, 4 outer cover, 5 support column, 6 mounting plate, 7 filter, 8 screws;

[0027] 100 first layer water guide groove a, 101 U-shaped groove a, 102 drainage hole a, 103 fourth layer water guide groove d, 104 U-shaped groove d, 105 drainage hole d;

[0028] 200 second layer water channel b, 201 groove;

[0029] 300 third layer water guide groove c, 301 U-shaped groove c, 302 drainage hole c;

[0030] 400 main air outlet, 401 multi-layer filter combination, 402 air vent. Implementation Method

[0031] The specific implementation of the rainproof ventilation device is further described in detail below with reference to the accompanying drawings (see Figures 1 to 11 ):

[0032] (See Figure 1 ), a rainproof ventilation device of the present invention includes a device body; the device body is composed of a mounting frame 1, a water baffle 2, a guide cover 3, an outer cover 4, a transverse corrugated filter screen, a longitudinal corrugated filter screen, a plain filter screen, a support column 5, a mounting plate 6, a filter screen 7 and a plurality of screws 8; the transverse corrugated filter screen, the longitudinal corrugated filter screen and the plain filter screen constitute a multi-layer filter screen combination 401.

[0033] (See Figure 2 and Figure 3 ), the mounting frame 1 is a symmetrical structure and is made of a U-shaped cross-section profile; after the mounting frame 1 is installed with the water retaining plate 2, a first layer of water guide channel a100 is formed between the upper part of the mounting frame 1 and the water retaining plate 2, and a U-shaped groove a101 is formed at the lower part of the mounting frame 1 for collecting rainwater. A drainage hole a102 is designed on the side of the U-shaped groove a101, and the rainwater accumulated at the bottom of the U-shaped groove a101 is discharged through the drainage hole a102.

[0034] (See Figure 4 and Figure 5 ), the water retaining plate 2 is a bent symmetrical structure and is made of a "7"-shaped cross-section profile; the upper part of the water retaining plate 2 forms a second layer of water guide channel b200 due to its cross-sectional shape, and grooves 201 are made at both ends of the lower part of the water retaining plate 2. After rainwater accumulates, it is discharged from the grooves 201 on both sides.

[0035] (See Figure 6 and Figure 7 ), the deflector 3 is an inwardly concave symmetrical structure, mainly used for side wind diversion and rain protection; the deflector 3 is fixed to the mounting frame 1 by screws 8, and a third layer of water guide trough c300 is formed at the lower part of the deflector 3. A U-shaped groove c301 is made at the lower part of the deflector 3 for collecting rainwater. A drainage hole c302 is designed on the side of the U-shaped groove c301, and the rainwater accumulated in the U-shaped groove c301 is discharged through the drainage hole c302.

[0036] (See Figure 8 、 Figure 9 and Figure 10 ), the outer cover 4 is a symmetrical structure, and two main air outlets 400 are designed on the top surface of the outer cover 4. A multi-layer filter combination 401 composed of a horizontal wavy filter, a longitudinal wavy filter, and a plain filter is fixed in the outer cover 4 through a mounting plate 6. A plurality of ventilation holes 402 are evenly distributed around the outer cover 4, forming a waterproof ventilation and filtering structure with the main air outlet 400.

[0037] (See Figure 1 and Figure 11 ), the water baffle 2 is fixed to the mounting frame 1 by screws 8, and the fitting surface of the water baffle 2 and the mounting frame 1 is coated with waterproof sealant for sealing. After sealing and fixing, a first layer of water guide groove a100 is formed on the top between the mounting frame 1 and the water baffle 2; due to the cross-sectional characteristics of the water baffle 2, a second layer of water guide groove b200 is formed on the upper part of the water baffle 2; a third layer of water guide groove c300 is formed at the lower part of the deflector 3; a fourth layer of water guide groove d103 is formed at the lower part of the mounting frame 1; a multi-layer filter screen combination 401 consisting of a horizontal corrugated filter screen, a longitudinal corrugated filter screen and a plain filter screen is fixed to the main air outlet 400 of the outer cover 4 by a mounting plate 6 and multiple screws 8; the outer cover 4 is fixed to the mounting frame 1 by a support column 5 and screws 8; the filter screen 7 is fixed to the inner side of the mounting frame 1 by multiple screws 8.

[0038] (See Figure 11 ), during ventilation, the air at the top of the outer cover 4 of the device body is first filtered by the multi-layer filter combination 401 of the main air outlet 400, and then filtered by the filter 7 to reach the inner side of the antenna array panel block; the air around the outer cover 4 passes through the vent 402 of the outer cover 4, the guide cover 3, the water baffle 2, and the filter 7 in turn to reach the inner side of the antenna array panel block.

[0039] When waterproof, rainwater from the top of the outer cover 4 of the device body enters and accumulates in the first water guide groove a100 and the second water guide groove b200, and flows downward along the two sides of the first water guide groove a100 and the second water guide groove b200 through the U-shaped groove a101, the drainage hole a102, and the groove 201 to flow out of the outer cover 4; when the rainwater outside the outer cover 4 passes through the multi-layer filter assembly 401, the speed of the raindrops is weakened by the action of the multi-layer filter assembly 401, and the raindrops are dispersed into several Smaller water droplets, under the influence of water droplet tension, gather on the multi-layer filter assembly 401 and flow down along it, accumulating in the third-layer water guide c300. They then flow out through the drainage holes c302 on the side of the U-shaped groove c301 of the deflector 3, and through the drainage holes d105 in the fourth-layer water guide d103 and U-shaped groove d104 of the mounting frame 1, ultimately draining out from the bottom of the outer cover 4, effectively preventing rainwater from flowing into the antenna array panels. This solves the difficult problem of achieving both ventilation and waterproofing of the antenna array panels within a limited thickness range.

[0040] The device body is light and compact, with a length of 500 mm, a width of 240 mm, a thickness of only 50 mm, and a weight of 2.5 kg. It is very convenient to install the device body of the present invention to the position of the antenna array panel that needs rain protection and ventilation through the flange of the mounting frame 1. The device has been put into use with good effect and has fully achieved the expected design purpose.

[0041] The above description is only a preferred embodiment of the present invention. The above examples do not impose any form of limitation on the essential content of the present invention. After reading this specification, ordinary technicians in the relevant technical field make any simple modifications or deformations to the above specific implementation methods based on the technical essence of the present invention, as well as equivalent embodiments that may be changed or modified into equivalent changes using the technical content disclosed above, all fall within the scope of the technical solution of the present invention and do not deviate from the essence and scope of the present invention.

Claims

1. A rainproof ventilation device, comprising a device body; characterized in that: The device body is composed of a mounting frame (1), a water baffle (2), a guide cover (3), an outer cover (4), a support column (5), a mounting plate (6), a multi-layer filter assembly (401), a filter (7) and a plurality of screws (8). The mounting frame (1) is mounted on a ventilated area of an antenna array panel through a flange. The mounting frame (1) is a symmetrical structure with U-shaped grooves a (101) formed at both ends. A drainage hole a (102) is formed in the U-shaped groove a (101). The water baffle (2) is fixed to the mounting frame (1) through screws (8) and waterproof sealant. After being fixed, a first layer of water guide groove a (100) is formed between the mounting frame (1) and the upper part of the water baffle (2); the water baffle (2) is a symmetrical structure with grooves (201) formed at both ends. A second layer of water guide groove b (200) is formed on the upper part of the water baffle (2). The deflector (3) is fixed to the mounting frame (1) by screws (8). The deflector (3) is an inwardly concave symmetrical structure, with U-shaped grooves c (301) made at both ends, and drainage holes c (302) opened in the U-shaped grooves c (301). The lower part of the deflector (3) forms a third layer of water guide grooves c (300); the outer cover (4) is fixed to the mounting frame (1) by support columns (5) and screws (8), and a multi-layer filter assembly (401) is fixed to the top of the outer cover (4) by a mounting plate (6) and screws (8); the lower part of the mounting frame (1) forms a fourth layer of water guide grooves d (103), and the fourth layer of water guide grooves d (103) is made with U-shaped grooves d (104), and drainage holes d (105) are opened in the U-shaped grooves d (104). A filter screen (7) is fixed to the inner side of the mounting frame (1) by screws (8).

2. A rainproof ventilation device according to claim 1, characterized in that: The manufacturing dimensions of the device body are 500mm long×240mm wide×50mm thick, and the weight is 2.5kg.

3. The rainproof ventilation device according to claim 1, characterized in that: The multi-layer filter screen assembly (401) consists of a transverse corrugated filter screen, a longitudinal corrugated filter screen, and a plain filter screen.

4. The rainproof ventilation device according to claim 1, characterized in that: The top of the outer cover (4) is provided with two main air inlets (400), and ventilation holes (402) are evenly distributed around the outer cover (4). The multi-layer filter assembly (401) is fixed in the outer cover (4) corresponding to the two main air inlets (400).

5. The rainproof ventilation device according to claim 1, characterized in that: The ventilation process of the device body is as follows: the air on the top of the outer cover (4) passes through the main air inlet (400) - the multi-layer filter assembly (401) - the filter (7) - to the inner side of the antenna array panel; the air around the outer cover (4) passes through the vent (402) - the guide cover (3) - the water baffle (2) - the filter (7) - to the inner side of the antenna array panel.

6. The rainproof ventilation device according to claim 1, characterized in that: The rainproof process of the device body is as follows: rainwater on the top of the outer cover (4) accumulates in the first water guide groove a (100) and the second water guide groove b (200) - flows downwardly out of the outer cover (4) along the two sides of the first water guide groove a (100) and the second water guide groove b (200); rainwater on the top of the outer cover (4) - the falling speed of raindrops is weakened by the multi-layer filter assembly (401) - the raindrops are dispersed into a number of smaller water droplets - these smaller water droplets gather on the multi-layer filter assembly (401) - flows downwardly out along the multi-layer filter assembly (401) to the third water guide groove c (300) and accumulates - flows out through the drainage hole c (302) of the guide cover (3) - and the accumulated water at the bottom of the outer cover (4) is discharged through the drainage hole d (105) of the fourth water guide groove d (103) at the lower part of the mounting frame (1).

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