Efficient heat dissipation cable branch box

Abstract

The invention discloses an efficient heat dissipation cable branch box, and relates to the technical field of cable branch boxes, the efficient heat dissipation cable branch box comprises a box body, one side of the box body is hinged with a box door, the box body is provided with a heat dissipation structure, the heat dissipation structure comprises an air inlet pipe, and the heat dissipation structure plays a heat dissipation role on the box body. The heat dissipation structure comprises an air inlet pipe, a scraping and brushing structure is arranged at the inlet end of the air inlet pipe, the scraping and brushing structure can play a role in scraping and brushing dust, the heat dissipation structure further comprises a filter cartridge, and the filter cartridge is rotationally connected with the output end of the air inlet pipe. The heat dissipation structure is arranged, a heat dissipation fan and an air inlet pipe in the heat dissipation structure facilitate heat dissipation treatment on components in the box body, the temperature in the box body is reduced, the scraping brush structure is arranged, and a scraping brush plate and a rotatable filter cylinder in the scraping brush structure can conduct self-cleaning treatment when a worker opens the box door; poplar catkins and willow catkins on the filter cartridge can be removed, and the phenomenon that the filter cartridge is blocked is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of cable branch boxes, in particular to a cable branch box with high-efficiency heat dissipation. Background Art

[0002] On long lines, using multiple small cables would be wasteful. Typically, a large main cable is used as the outgoing cable. Near the load, a cable branch box is used to split the main cable into several smaller cables, which are then connected to the load. This wiring method is widely used in urban power grids to power streetlights and other small users. When cable lengths do not meet line requirements, cable connectors or cable transfer boxes are used. On cable lines longer than 1000m, if there are multiple connectors in the middle of the cable, a cable branch box is used for transfer to ensure safety.

[0003] When the cable branch box is used in hot weather, the internal temperature of the cable branch box is high, which will affect the service life of the cable branch box. Therefore, the internal components of the cable branch box are cooled by a cooling fan. However, the cooling fan will absorb external air when working. In spring and summer, a large amount of catkins will float in the air. These catkins are easily absorbed by the cooling fan and then blown into the cable branch box, which may cause safety hazards to the cable branch box. Although filtering components such as filters are provided, the filters may be easily clogged. When the staff perform maintenance on the cable branch box, they also need to specially clean the catkins on the filters, which is time-consuming and labor-intensive.

[0004] Therefore, a cable branch box with high heat dissipation efficiency is provided to solve the problems raised in the above background technology. Summary of the Invention

[0005] The object of the present invention is to provide a cable branch box with high heat dissipation efficiency, so as to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A cable branch box with high heat dissipation efficiency comprises a box body, a box door is hingedly connected to one side of the box body, a heat dissipation structure is provided on the box body, the heat dissipation structure comprises an air inlet pipe, the heat dissipation structure plays a heat dissipation role for the box body, and a scraping brush structure is provided at the entrance end of the air inlet pipe, which can scrape away dust.

[0007] As a further solution of the present invention: wherein, the heat dissipation structure also includes a filter cartridge, which is rotatably connected to the output end of the air inlet pipe, a heat dissipation fan is rotatably connected to the inside of the air inlet pipe, and an exhaust port is installed on the box door.

[0008] As a further solution of the present invention: wherein, the scraping brush structure includes a sliding groove, a tooth plate is slidably connected to the inside of the sliding groove, a fixed spring is fixedly connected between the tooth plate and the inner wall of the sliding groove, one side of the sliding groove is rotatably connected to a first gear and a second gear, the tooth plate is meshed with the first gear and the second gear, the upper end of the second gear and one end of the filter cartridge are fixedly connected with a first bevel gear that meshes with each other, scraping brush plates are fitted on both sides of the filter cartridge, and the scraping brush plates are fixedly connected to the input end of the air inlet pipe.

[0009] As a further solution of the present invention: wherein, the tooth plate is provided with two groups of tooth blocks with different numbers of teeth, and the two groups of tooth blocks are respectively engaged with the first gear and the second gear.

[0010] As a further solution of the present invention: wherein, one end of the filter cartridge is fixedly connected to a main gear, a sub-gear is meshed with one side of the main gear, the sub-gear is rotatably connected to the inner wall of the air inlet pipe, and a sliding groove is provided inside the two groups of scraper plates, and a reciprocating screw is rotatably connected inside the sliding groove, the reciprocating screw is fixedly connected to one side of the sub-gear, a scraper ring is spirally connected to the reciprocating screw, and the scraper ring is in contact with the filter cartridge.

[0011] As a further solution of the present invention: wherein, a back-blowing structure is arranged above the cooling fan, and the back-blowing structure includes a symmetrical wind guide plate, and the wind guide plate is rotatably connected to the inner wall of the air inlet pipe, and a threaded screw is arranged below the wind guide plate, and the threaded screw is rotatably connected to the inner wall of the air inlet pipe, and two groups of sliding blocks are spirally connected to the threaded screw, and a telescopic rod is fixedly connected between the sliding block and the wind guide plate.

[0012] As a further solution of the present invention: wherein, the threaded screw is provided with two sets of opposite threads.

[0013] As a further solution of the present invention: wherein, second bevel gears meshing with each other are installed on the upper side of the first gear and on one side of the cooling fan, two groups of first sprockets and second sprockets are provided on one side of the second bevel gear, a first transmission chain is provided between the two groups of first sprockets, and a second transmission chain is provided between the second sprockets, the threaded screw is fixedly connected to the threaded screw, and the two groups of first sprockets and second sprockets are rotatably connected to the inner wall of the air inlet duct.

[0014] As a further solution of the present invention: wherein, one end of the box door is fixedly connected to a pull rope, and the pull rope is fixedly connected to the tooth plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By providing a heat dissipation structure, the heat dissipation fan and the air inlet pipe in the heat dissipation structure facilitate the heat dissipation of the components inside the box body, reduce the temperature inside the box body, and the "冂"-shaped setting can prevent a large amount of dust, willow catkins, and poplar catkins from accumulating on the air inlet of the box body.

[0016] By providing a scraping structure, the scraping plate and the rotatable filter cylinder in the scraping structure can perform self-cleaning on the filter cylinder when the staff opens the box door to maintain the components inside the box body, can remove the willow catkins and poplar catkins on the filter cylinder, and prevent the filter cylinder from being blocked. This structure reduces the maintenance time of the box body by maintenance personnel and improves the maintenance efficiency of the box body.

[0017] 3. By providing a backwashing structure, the heat dissipation fan in the backwashing structure can blow against the air inlet pipe in the reverse direction, and then can blow against the filter cylinder. In cooperation with the scraping structure described above, it can perform blowing while scraping the filter cylinder, so that the willow catkins and poplar catkins blocked inside the filter cylinder will be blown away, and keep the filter holes on the filter cylinder clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure in the present invention; Figure 2 It is a schematic diagram of the sliding groove structure in the present invention; Figure 3 It is a schematic diagram of the heat dissipation fan structure in the present invention; Figure 4 It is a schematic diagram of the filter cylinder structure in the present invention; Figure 5 It is a schematic cross-sectional view of the air inlet pipe structure in the present invention; Figure 6 It is a schematic diagram of the toothed plate structure in the present invention; Figure 7 It is a schematic diagram of an embodiment structure in the present invention; Figure 8 It is a schematic diagram of the reciprocating screw rod structure in the present invention; The corresponding relationship between the reference numerals and the component names in the drawings is as follows: 1. Box body; 101. Box door; 102. Sliding groove; 103. Fixed spring; 2. Air inlet pipe; 201. Filter cylinder; 202. Heat dissipation fan; 203. Exhaust port; 3. Toothed plate; 301. First gear; 302. Second gear; 303. First bevel gear; 304. Scraping plate; 3I. Main gear; 306. Sub-gear; 307. Reciprocating screw rod; 308. Scraping ring; 4. Second bevel gear; 401. First sprocket; 402. First drive chain; 40; Second sprocket; 404. Second drive chain; 405. Threaded screw rod; 406. Sliding block; 407. Telescopic rod; 408. Air guiding plate; 5. Pulling rope. Specific Embodiment

[0019] Please refer to Figure 1 : A cable distribution box with efficient heat dissipation, including a box body 1. One side of the box body 1 is hinged with a box door 101. A heat dissipation structure is arranged on the box body 1. The heat dissipation structure includes an air inlet pipe 2. The heat dissipation structure plays a role in dissipating heat from the box body 1. A brushing structure is arranged at the inlet end of the air inlet pipe 2, and the brushing structure can brush dust.

[0020] Among them, the air inlet pipe 2 is arranged in a "冂" shape. This setting is to avoid the phenomenon of "upper air inlet and lower air outlet" in traditional heat dissipation. Although "upper air inlet and lower air outlet" can improve the heat dissipation efficiency, this structure will cause a large amount of dust and catkins to accumulate on the air inlet of the box body 1, affecting the subsequent heat dissipation of the box body 1.

[0021] The heat dissipation structure further includes a filter cylinder 201. The filter cylinder 201 is rotatably connected to the output end of the air inlet pipe 2. A heat dissipation fan 202 is rotatably connected inside the air inlet pipe 2. An air outlet 203 is installed on the box door 101.

[0022] And a temperature controller is arranged inside the box body 1. When the temperature controller detects that the temperature inside the box body 1 reaches the threshold temperature for heat dissipation, the heat dissipation fan 202 will start to work to dissipate heat inside the box body 1, which can accelerate the air circulation inside the box body 1, enable the outside cold air to enter the box body 1, and blow the hot air inside the box body 1 out of the box body 1. And a manual switch for the heat dissipation fan 202 is also arranged inside the box body 1, and the manual switch is convenient for the subsequent back blowing work of the heat dissipation fan 202.

[0023] Such as Figure 2 and Figure 3As shown, the scraping structure includes a sliding groove 102, and the sliding groove 102 is internally slidably connected to a tooth plate 3, and a fixing spring 103 is fixedly connected between the tooth plate 3 and the inner wall of the sliding groove 102. One side of the sliding groove 102 is rotatably connected to the first gear 301 and the second gear 302, and the tooth plate 3 is meshed with the first gear 301 and the second gear 302. The upper end of the second gear 302 and one end of the filter cartridge 201 are fixedly connected with the first bevel gear 303 that meshes with each other, and scraping plates 304 are fitted on both sides of the filter cartridge 201. The scraping plates 304 are fixedly connected to the input end of the air inlet pipe 2, and one end of the box door 101 is fixedly connected to the pull rope 5, and the pull rope 5 is fixedly connected to the tooth plate 3. In this embodiment, when the staff performs maintenance work on the box body 1, they will first open the box door 101. When the box door 101 is opened, the tooth plate 3 will be pulled by the pull rope 5 to move inside the sliding groove 102. When the tooth plate 3 moves inside the sliding groove 102, it will drive the first gear 301 and the second gear 302 to rotate respectively. When the second gear 302 rotates, it will drive the filter cartridge 201 to rotate through the first bevel gear 303. The filter cartridge 201 is hollow as a whole and has multiple filter holes on the side. The diameter of the filter hole is smaller than the diameter of the catkins, so as to prevent the catkins from entering the box body 1. When the filter cartridge 201 rotates, the fixed scraper plate 304 scrapes the round edge of the filter cartridge 201, cleans the round edge of the filter cartridge 201, and prevents the catkins from sticking to the surface of the filter cartridge 201, thereby preventing external air from entering the box body 1.

[0024] Preferably, the tooth plate 3 is provided with two sets of tooth blocks with different numbers of teeth, and the two sets of tooth blocks respectively mesh with the first gear 301 and the second gear 302. In this embodiment, because the number of teeth and the spacing between the tooth blocks on the tooth plate 3 are different, the first gear 301 and the second gear 302 rotate a different number of times, which facilitates the cooling fan 202 and the filter cartridge 201 to rotate at different angles. Furthermore, when the cooling fan 202 rotates at an angle of 180°, the filter cartridge 201 rotates at an angle greater than 360°. During the cleaning process of the filter cartridge 201, the air outlet angle of the cooling fan 202 can be switched from an air intake state to a blower state, thereby assisting in cleaning the filter cartridge 201.

[0025] like Figure 4As shown, the specific cleaning process is as follows: one end of the filter cartridge 201 is fixedly connected to the main gear 305, and a sub-gear 306 is meshed with one side of the main gear 305. The sub-gear 306 is rotatably connected to the inner wall of the air inlet pipe 2. A sliding groove is provided inside the two sets of scraper plates 304, and a reciprocating screw rod 307 is rotatably connected inside the sliding groove. The reciprocating screw rod 307 is fixedly connected to one side of the sub-gear 306, and a scraper ring 308 is spirally connected to the reciprocating screw rod 307, and the scraper ring 308 is in contact with the filter cartridge 201. Among them, when the filter cartridge 201 rotates, the main gear 305 will drive the sub-gear 306 to rotate, and when the sub-gear 306 rotates, it will drive the reciprocating screw 307 to rotate. When the reciprocating screw 307 rotates, the scraping ring 308 will move the surface of the filter cartridge 201, scraping and brushing the surface of the filter cartridge 201 to remove the catkins and poplar fluff on the surface of the filter cartridge 201, and can also remove the catkins and poplar fluff accumulated at the junction of the scraping plate 304 and the filter cartridge 201.

[0026] Furthermore, because the main gear 305 and the sub-gear 306 are of different sizes, it is necessary to ensure that when the filter cartridge 201 rotates one circle, the scraper ring 308 needs to perform a reciprocating movement step on the surface of the filter cartridge 201.

[0027] Furthermore, since a back-blowing structure is provided above the cooling fan 202, the back-blowing structure includes a symmetrical air guide plate 408, the air guide plate 408 is rotatably connected to the inner wall of the air inlet pipe 2, a threaded screw 405 is provided below the air guide plate 408, the threaded screw 405 is rotatably connected to the inner wall of the air inlet pipe 2, two sets of sliding blocks 406 are spirally connected to the threaded screw 405, and a telescopic rod 407 is fixedly connected between the sliding block 406 and the air guide plate 408, the upper side of the first gear 301 and the cooling fan 202 are connected. A second bevel gear 4 meshing with each other is installed on one side, and two groups of first sprockets 401 and second sprockets 403 are provided on one side of the second bevel gear 4. A first transmission chain 402 is provided between the two groups of first sprockets 401, and a second transmission chain 404 is provided between the second sprockets 403. The threaded screw 405 is fixedly connected to the threaded screw 405, and the two groups of first sprockets 401 and second sprockets 403 are rotatably connected to the inner wall of the air inlet pipe 2. Two groups of opposite threads are provided on the threaded screw 405.

[0028] like Figure 5 and Figure 6As shown, when the first gear 301 rotates, the cooling fan 202 will be driven to rotate through the second bevel gear 4, and the cooling fan 202 will rotate 180° to back-blow the air inlet pipe 2, so that the air inside the box 1 will enter the interior of the air inlet pipe 2, and then will be blown onto the filter cartridge 201 through the air inlet pipe 2, thereby blowing the filter cartridge 201 and cleaning the filter cartridge 201. In conjunction with the scraping structure mentioned above, the device can perform reverse blowing while scraping the filter cartridge 201, so as to avoid the filter holes on the filter cartridge 201 being clogged with catkins, thereby allowing the external air to smoothly pass through the filter cartridge 201 and enter the interior of the air inlet pipe 2.

[0029] like Figure 7 and Figure 8 As shown, when the first gear 301 drives the cooling fan 202 to rotate, it also drives the first sprocket 401 and the second sprocket 403 to rotate. When the second sprocket 403 rotates, it drives the screw rod 405 to rotate. When the screw rod 405 rotates, it drives the two sliding blocks 406 to move away from each other. Then, the two sliding blocks 406 drive the air guide plate 408 to rotate by an angle ( Figure 7 As shown), this arrangement makes the space for wind flow smaller when the cooling fan 202 performs backblowing, thereby accelerating the flow rate and thus better blowing the filter cartridge 201.

[0030] like Figure 3 As shown, under normal circumstances, the two air guide plates 408 are parallel to each other. This setting is to avoid affecting the air intake generated by the cooling fan 202 when it is working. If the two air guide plates 408 are set at an angle, the air inlet on the upper side of the cooling fan 202 will be reduced, which will affect the air intake into the interior of the box 1, thereby reducing the air circulation inside the box 1 and affecting the heat dissipation efficiency. Under normal circumstances, two air guide plates 408 that are flush with each other will not cause this situation. In addition, when the air guide plates 408 are designed to be parallel to each other, the cooling fan 202 will have a lower air intake speed than when the air guide plates 408 are tilted when the wind force remains unchanged. Therefore, the negative pressure intensity on the filter cartridge 201 is smaller, and the ability of impurities and dust to be adsorbed on the filter cartridge 201 will be weakened, thereby avoiding the accumulation of impurities and dust on the filter cartridge 201.

[0031] Working principle: When the staff performs maintenance work on the box body 1, they will first open the box door 101. When the box door 101 is opened, the pull rope 5 will be used to pull the tooth plate 3 to move inside the sliding groove 102. When the tooth plate 3 moves inside the sliding groove 102, it will respectively drive the first gear 301 and the second gear 302 to rotate. When the first gear 301 rotates, it will drive the cooling fan 202 to rotate through the second bevel gear 4. The cooling fan 202 will rotate 180° and back-blow the air inlet pipe 2, which will make the air inside the box body 1 enter the inside of the air inlet pipe 2, and then be blown onto the filter cartridge 201 through the air inlet pipe 2, thereby blowing the filter cartridge 201 and cleaning the filter cartridge 201 to avoid The filter holes on the filter-free cartridge 201 are clogged with catkins, so that external air can smoothly pass through the filter cartridge 201 into the air inlet pipe 2. When the second gear 302 rotates, the filter cartridge 201 will be driven to rotate through the first bevel gear 303. The filter cartridge 201 is hollow as a whole, and a plurality of filter holes are opened on the side. The diameter of the filter hole is smaller than the diameter of catkins, so as to prevent catkins from entering the interior of the box 1. When the filter cartridge 201 rotates, the fixed scraper plate 304 scrapes the round edge of the filter cartridge 201, cleans the round edge of the filter cartridge 201, and prevents catkins from sticking to the surface of the filter cartridge 201, thereby preventing external air from entering the interior of the box 1.

[0032] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A cable branch box with high heat dissipation efficiency, comprising a box body (1), characterized in that: A door (101) is hingedly connected to one side of the box body (1). A heat dissipation structure is provided on the box body (1). The heat dissipation structure includes an air inlet pipe (2). The heat dissipation structure plays a heat dissipation role for the box body (1). A scraping brush structure is provided at the inlet end of the air inlet pipe (2). The scraping brush structure can play a scraping role on dust.

2. The cable branch box with high heat dissipation efficiency according to claim 1, characterized in that: The heat dissipation structure further comprises a filter cartridge (201), the filter cartridge (201) being rotatably connected to the output end of the air inlet pipe (2), a heat dissipation fan (202) being rotatably connected inside the air inlet pipe (2), and an air outlet (203) being installed on the box door (101).

3. The cable branch box with high heat dissipation efficiency according to claim 2, characterized in that: The scraping structure comprises a sliding groove (102), wherein a tooth plate (3) is slidably connected inside the sliding groove (102), a fixing spring (103) is fixedly connected between the tooth plate (3) and the inner wall of the sliding groove (102), a first gear (301) and a second gear (302) are rotatably connected to one side of the sliding groove (102), the tooth plate (3) is meshed with the first gear (301) and the second gear (302), the upper end of the second gear (302) and one end of the filter cartridge (201) are fixedly connected with a first bevel gear (303) that meshes with each other, and scraping plates (304) are provided on both sides of the filter cartridge (201), and the scraping plates (304) are fixedly connected to the input end of the air inlet pipe (2).

4. The cable branch box with high heat dissipation efficiency according to claim 3, characterized in that: Two groups of tooth blocks with different numbers of teeth are provided on the tooth plate (3), and the two groups of tooth blocks are respectively meshed with the first gear (301) and the second gear (302).

5. The cable branch box with high heat dissipation efficiency according to claim 3, characterized in that: One end of the filter cartridge (201) is fixedly connected to a main gear (305), one side of the main gear (305) is meshed with a sub-gear (306), the sub-gear (306) is rotatably connected to the inner wall of the air inlet pipe (2), and the interiors of the two sets of scraping and brushing plates (304) are provided with a sliding groove, the interiors of the sliding grooves are rotatably connected to a reciprocating screw (307), the reciprocating screw (307) is fixedly connected to one side of the sub-gear (306), the reciprocating screw (307) is spirally connected to a scraping and brushing ring (308), and the scraping and brushing ring (308) is in contact with the filter cartridge (201).

6. The cable branch box with high heat dissipation efficiency according to claim 5, characterized in that: A back-blowing structure is provided above the heat dissipation fan (202), and the back-blowing structure includes a symmetrical air guide plate (408), and the air guide plate (408) is rotatably connected to the inner wall of the air inlet pipe (2). A threaded screw (405) is provided below the air guide plate (408), and the threaded screw (405) is rotatably connected to the inner wall of the air inlet pipe (2). Two groups of sliding blocks (406) are spirally connected to the threaded screw (405), and a telescopic rod (407) is fixedly connected between the sliding block (406) and the air guide plate (408).

7. The cable branch box with high heat dissipation efficiency according to claim 6, characterized in that: The threaded screw (405) is provided with two sets of opposite threads.

8. The cable branch box with high heat dissipation efficiency according to claim 6, characterized in that: A second bevel gear (4) meshing with each other is installed on the upper side of the first gear (301) and on one side of the heat dissipation fan (202); two groups of first sprockets (401) and second sprockets (403) are provided on one side of the second bevel gear (4); a first transmission chain (402) is provided between the two groups of the first sprockets (401); a second transmission chain (404) is provided between the second sprockets (403); the threaded screw (405) is fixedly connected to the threaded screw (405); and the two groups of the first sprockets (401) and the second sprocket (403) are both rotatably connected to the inner wall of the air inlet pipe (2).

9. The cable branch box with high heat dissipation efficiency according to claim 8, characterized in that: One end of the box door (101) is fixedly connected to a drawstring (5), and the drawstring (5) is fixedly connected to the toothed plate (3).

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