Laser wind-finding radar shell assembly with double-sealing wiring structure

Abstract

The utility model relates to a laser wind-finding radar shell assembly with a double-sealing wiring structure, which has a double-waterproof function from the inside and the outside of a radar and ensures the waterproofness of a wiring position inside the radar. Comprising an upper machine cover plate, a heat dissipation shell connected to the upper machine cover plate in a fastened mode and a bottom cover arranged at the bottom of the upper machine cover plate, a junction box body is further connected to the lower end face of the upper machine cover plate in a fastened mode, and a wiring hole is formed in the position, corresponding to the junction box body, of the upper machine cover plate. A PCB wiring board is fixedly connected to the position, corresponding to the wiring hole, of the lower end face of the upper machine cover plate through a pressing plate, and the PCB wiring board covers the whole wiring hole. The lower end face of the upper machine cover plate and / or the matching face of the top of the junction box body and the PCB wiring board are / is provided with at least one circle of waterproof groove matched with the PCB wiring board and the pressing plate. The utility model is suitable for the technical field of laser wind-finding radars.

Description

Technical Field

[0001] The utility model relates to the technical field of laser wind measuring radars, in particular to a laser wind measuring radar housing component with a double sealing wiring structure. Background Art

[0002] Existing laser wind radars generally use external fans for heat dissipation, or place the cooling fan inside the device near the side shutters to exhaust the hot air inside the device; the waterproof level of these two methods is relatively low; the authorized Chinese patent "Waterproof heat dissipation device for the inner cavity of laser wind radar and laser wind radar" has a patent number of 202321149388.2, which improves the heat dissipation structure of the existing laser wind radar, forms two vertical heat dissipation ducts inside the heat dissipation shell, and cooperates with the open ventilation structure set at the bottom of the shell to dissipate the hot air inside the radar through the heat dissipation wind direction, and suck the external cold air into the radar to form a circulating cooling duct; but in actual use, seawater will pour into the radar from the open ventilation structure at the bottom of the shell, thereby damaging the electrical connector inside the radar. Therefore, it is particularly important to design a wiring structure that can be waterproof from the inside of the radar. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a laser wind measurement radar housing component with a double sealing wiring structure which has a dual waterproof function from inside and outside the radar and ensures the waterproofness of the wiring position inside the radar.

[0004] The technical solution adopted by the utility model is as follows: the utility model comprises an upper machine cover plate, a heat dissipation shell fastened to the upper machine cover plate, and a bottom cover arranged at the bottom of the upper machine cover plate, a first cavity and a second cavity isolated from each other are formed inside the heat dissipation shell, an air inlet cavity and an air outlet cavity isolated from each other are formed inside the bottom cover, a first through hole and a second through hole are arranged on the upper machine cover plate, respectively connecting the first cavity with the air inlet cavity and the second cavity with the air outlet cavity, a first fan and a second fan are arranged at the upper ends of the first cavity and the second cavity, respectively, a junction box body is fastened to the lower end surface of the upper machine cover plate, a wiring hole is opened at the position of the upper machine cover plate corresponding to the position of the junction box body, a PCB wiring board is fixedly connected to the position of the lower end surface of the upper machine cover plate corresponding to the wiring hole through a clamping plate, and the PCB wiring board covers the entire wiring hole, and at least one circle of waterproof grooves adapted to the PCB wiring board and the clamping plate are arranged on the lower end surface of the upper machine cover plate and / or the top of the junction box body and the matching surface of the PCB wiring board.

[0005] Furthermore, a wiring cavity is provided inside the junction box body, and a sealing groove matched with the sealing gasket is provided at the top. The shape and size of the top opening of the wiring cavity are matched with the PCB terminal board and the clamping plate. After the junction box body and the upper machine cover are assembled, the clamping plate is embedded in the top of the wiring cavity.

[0006] Furthermore, the waterproof groove is opened at the lower end surface of the upper machine cover plate, and the depth is consistent with the thickness of the PCB wiring board.

[0007] Furthermore, the first cavity and the second cavity are isolated by a heat dissipation partition, and heat dissipation teeth are arranged inside.

[0008] Furthermore, support feet are provided at four corners of the lower end surface of the upper machine cover plate, and the support feet penetrate to the outer bottom cover.

[0009] Finally, an air guide hole is opened on the bottom cover at a position corresponding to the supporting foot, and the air guide hole is connected to the air outlet cavity.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: compared with the existing heat dissipation housing of the laser wind measurement radar, the present invention solves the problem of water pouring into the housing from the air inlet cavity and the air outlet cavity damaging the internal wiring box of the radar. Specifically, a waterproof structure is provided between the top of the wiring box and the upper cover plate, and a double-sealed joint structure is formed in combination with the original waterproof performance of the electrical connector, thereby forming a double waterproof structure inside and outside the radar, greatly improving the waterproof effect of the equipment. Specifically, by opening the wiring hole on the upper cover plate, the PCB wiring board originally placed inside the wiring box body is fixedly arranged at the lower end surface of the upper cover plate through the clamping plate, and the wiring hole is covered as a waterproof layer. At this time, the clamping plate is also embedded in the top of the wiring cavity as an end cover, further preventing water from entering the wiring box body, and further improving the waterproof effect of the present invention. Therefore, the present invention has a double waterproof function from the inside and outside of the radar, ensuring the waterproofness of the wiring position inside the radar. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a partial exploded diagram of the structure of the utility model when viewed from above;

[0013] Figure 3 It is a schematic diagram of the axial explosion of the utility model;

[0014] Figure 4 is an exploded schematic diagram of the upper machine cover plate when viewed from above;

[0015] Figure 5 It is a structural schematic diagram of the junction box body. DETAILED DESCRIPTION

[0016] like Figures 1 to 5 As shown, the utility model includes an upper machine cover plate 1, a heat dissipation shell 2 fastened to the upper machine cover plate 1, and a bottom cover 3 arranged at the bottom of the upper machine cover plate 1, wherein a first cavity 4 and a second cavity 5 isolated from each other are formed inside the heat dissipation shell 2, and an air inlet cavity 6 and an air outlet cavity 7 isolated from each other are formed inside the bottom cover 3, and a first through hole 8 and a second through hole 9 are arranged on the upper machine cover plate 1, which respectively connect the first cavity 4 with the air inlet cavity 6 and the second cavity 5 with the air outlet cavity 7, and a first fan 10 and a second through hole 9 are arranged at the upper ends of the first cavity 4 and the second cavity 5, respectively. The second fan 11, the lower end surface of the upper cover plate 1 is also fastened with a junction box body 12, the upper cover plate 1 is provided with a wiring hole 13 at a position corresponding to the junction box body 12, a PCB wiring board 15 is fixedly connected to the lower end surface of the upper cover plate 1 at a position corresponding to the wiring hole 13 through a clamping plate 14, and the PCB wiring board 15 covers the entire wiring hole 13, and at least one circle of waterproof grooves 16 adapted to the PCB wiring board 15 and the clamping plate 14 are provided at the lower end surface of the upper cover plate 1 and / or the top of the junction box body 12 and the matching surface of the PCB wiring board 15. The utility model solves the problem of water pouring into the shell from the air inlet cavity 6 and the air outlet cavity 7 to damage the internal junction box body 12 of the radar, specifically, a layer of waterproof structure is provided between the top of the junction box body 12 and the upper cover plate 1, and a double sealing joint structure is formed in combination with the original waterproof performance of the electrical connector, thereby forming a double waterproof structure inside and outside the radar, greatly improving the waterproof effect of the equipment. Specifically, the wiring hole 13 is opened on the upper cover 1, and the PCB wiring board 15 originally placed inside the wiring box body 12 is fixedly arranged on the lower end surface of the upper cover 1 through the clamping plate 14, so as to cover the wiring hole 13 as a waterproof layer. At this time, the clamping plate 14 is also embedded in the top of the wiring cavity 17 as an end cover, so as to further prevent water from entering the wiring box body 12, thereby further improving the waterproof effect of the utility model.

[0017] In this embodiment, a plurality of connector sockets are further provided on the junction box body 12, and electrical connectors are connected in the connector sockets. A wiring cavity 17 is provided inside the junction box body 12, and a sealing gasket 18 is further provided between the junction box body 12 and the upper machine cover plate 1, and a sealing groove 19 matched with the sealing gasket 18 is provided at the top. The shape and size of the top opening of the wiring cavity 17 are matched with the PCB terminal board 15 and the clamping plate 14. After the junction box body 12 and the upper machine cover plate 1 are assembled, the clamping plate 14 is embedded in the top of the wiring cavity 17. Different from the traditional method of placing the PVB board in the junction box body 12, the utility model uses the PCB terminal board 15 as a waterproof structure and is fixedly connected to the lower end surface of the upper machine cover 1 through the clamping plate 14, covering the wiring hole 13. At the same time, the clamping plate 14 also serves as the top cover of the wiring cavity 17 and is embedded in the upper end position of the wiring cavity 17. The waterproof groove 16 is opened at the lower end surface of the upper machine cover 1, and the depth is consistent with the thickness of the PCB terminal board 15. A waterproof gasket is also provided between the PCB terminal board 7 and the clamping plate 8. At least one sealing rubber ring is provided between the electrical connector 5 and the connector socket 4.

[0018] In the present utility model, the first cavity 4 and the second cavity 5 are isolated by a heat dissipation baffle, and heat dissipation teeth 20 are provided inside. Support feet 21 are provided at the four corners of the lower end surface of the upper cover 1, and the support feet 21 penetrate the outer bottom cover 3. Air guide holes 22 are provided on the bottom cover 3 at positions corresponding to the support feet 21, and the air guide holes 22 are connected to the air outlet cavity 7. A sealing ring is also provided at the connection position between the upper cover 1 and the heat dissipation shell 2. In the present utility model, the heat dissipation shell 2, the heat dissipation teeth 20 and the heat dissipation baffle are all made of aluminum profiles, which have good heat dissipation effect and low manufacturing cost, and other materials with heat dissipation performance can also be selected.

[0019] The utility model can effectively solve the contradiction between the heat dissipation and high waterproof performance of the laser wind measuring radar, and has good heat dissipation performance. Even if the equipment is immersed in water, the first fan 10, the second fan 11 and the electrical components in the junction box body 12 will not directly contact the water, thereby ensuring the performance of the radar. The utility model has the advantages of simple structure, good waterproofness, low cost, etc.

[0020] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A laser wind measurement radar housing assembly with a double sealed wiring structure, comprising an upper cover plate (1), a heat dissipation shell (2) fastened to the upper cover plate (1), and a bottom cover (3) arranged at the bottom of the upper cover plate (1), wherein a first cavity (4) and a second cavity (5) isolated from each other are formed inside the heat dissipation shell (2), an air inlet cavity (6) and an air outlet cavity (7) isolated from each other are formed inside the bottom cover (3), a first through hole (8) and a second through hole (9) are arranged on the upper cover plate (1) for connecting the first cavity (4) with the air inlet cavity (6) and connecting the second cavity (5) with the air outlet cavity (7), respectively, a first fan (10) and a second fan (11) are arranged at the upper ends of the first cavity (4) and the second cavity (5), respectively, and characterized in that: The lower end surface of the upper machine cover (1) is also fastened to a junction box body (12); a junction hole (13) is provided on the upper machine cover (1) at a position corresponding to the junction box body (12); a PCB terminal board (15) is fixedly connected to the lower end surface of the upper machine cover (1) at a position corresponding to the junction hole (13) via a clamping plate (14); and the PCB terminal board (15) covers the entire junction hole (13); and at least one circle of waterproof grooves (16) adapted to the PCB terminal board (15) and the clamping plate (14) are provided at the lower end surface of the upper machine cover (1) and / or the top of the junction box body (12) and the mating surface of the PCB terminal board (15).

2. The laser wind measurement radar housing assembly with a double sealed wiring structure according to claim 1, characterized in that: A wiring cavity (17) is provided inside the junction box body (12), a sealing gasket (18) is further provided between the junction box body (12) and the upper machine cover plate (1), and a sealing groove (19) matched with the sealing gasket (18) is provided at the top. The shape and size of the top opening of the wiring cavity (17) are matched with the PCB wiring board (15) and the clamping plate (14). After the junction box body (12) and the upper machine cover plate (1) are assembled, the clamping plate (14) is embedded in the top of the wiring cavity (17).

3. The laser wind measurement radar housing assembly with a double sealed wiring structure according to claim 2, characterized in that: The waterproof groove (16) is arranged at the lower end surface of the upper machine cover plate (1), and its depth is consistent with the thickness of the PCB wiring board (15).

4. The laser wind measurement radar housing assembly with a double sealed wiring structure according to claim 3, characterized in that: The first cavity (4) and the second cavity (5) are isolated from each other by a heat dissipation partition plate, and heat dissipation teeth (20) are arranged inside both.

5. The laser wind measurement radar housing assembly with a double sealed wiring structure according to claim 4, characterized in that: Support feet (21) are provided at the four corners of the lower end surface of the upper machine cover plate (1), and the support feet (21) penetrate to the outer bottom cover (3).

6. The laser wind measurement radar housing assembly with a double sealed wiring structure according to claim 5, characterized in that: An air guide hole (22) is provided on the bottom cover (3) at a position corresponding to the supporting foot (21), and the air guide hole (22) is connected to the air outlet cavity (7).

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