Cable branch box with internal dehumidification structure
By installing humidity sensors and dehumidification devices in the cable branch box and using electric heating rods and fan blades for dehumidification, the problems of short circuit and grounding faults caused by moisture in the cable branch box are solved, and the reliability of the equipment is improved.
Patent Information
- Application Number
- CN202422714548.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-07
AI Technical Summary
When in use, the cable branch box may be affected by the environment, causing moisture inside the box, resulting in internal short circuits and flashover discharge of metal brackets, causing intermittent ground faults.
A cable branch box with an internal dehumidification structure is designed, which includes a humidity sensor, an electric heating rod, fan blades and a dehumidification device. The humidity is detected by the humidity sensor, the electric heating rod is started to heat, and hot air is blown out through the fan blades for dehumidification.
It effectively avoids short circuits and electrical component damage caused by moisture inside the cable branch box, and improves the reliability of power supply.
Smart Images

Figure CN223428100U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable branch boxes, in particular to a cable branch box with an internal dehumidification structure. Background Art
[0002] Cable branch boxes are key equipment in power distribution systems, primarily used for tapping, branching, connecting, and converting cable lines. They are widely used in urban power grid reconstruction, industrial parks, residential communities, and other locations. Their fully insulated and sealed design reduces cable line failure rates and improves power supply reliability.
[0003] The cable branch box may be affected by the environment during use, causing the box to be relatively humid. The humid environment inside the box may cause an internal short circuit in the cable branch box, resulting in flashover discharge of the metal bracket and intermittent grounding faults in a short period of time. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that the cable branch box may be affected by the environment during use, resulting in a relatively humid environment inside the box, which may cause a short circuit inside the cable branch box, resulting in flashover discharge of the metal bracket and intermittent grounding faults in a short period of time. A cable branch box with an internal dehumidification structure is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cable branch box with an internal dehumidification structure, including a cabinet body, the inner wall of the cabinet body is fixedly connected to a plurality of mounting plates, the outer surface of the mounting plate is provided with a plurality of through grooves, a humidity sensor is provided on one side of the inner wall of the cabinet body, and a dehumidification device is installed on the top of the inner wall of the cabinet body with the aid of an auxiliary device, the dehumidification device includes a frame plate, the outer surface of the frame plate is fixedly connected to a plurality of heat-conducting rods, the outer surface of the frame plate is provided with an electric heating rod, the electric heating rod passes through the inner wall of the heat-conducting rod, the inner wall of the frame plate is rotatably connected to two rotating shafts, the bottom end of the rotating shaft is fixedly connected to a plurality of fan blades, the top end of the rotating shaft is fixedly connected to a groove wheel, a motor is provided on one side of the frame plate, the output end of the motor is fixedly connected to the top end of a groove wheel, and the outer surfaces of the two groove wheels are provided with belts.
[0006] The effects achieved by the above components are as follows: by setting up an electric heating rod, when installing the cable branch box, the dehumidification device is installed on the inner top of the cabinet with the help of an auxiliary device. When the cable branch box is in use, the humidity inside the cabinet is detected by the internal humidity sensor. When the inside of the cabinet is relatively humid, the motor on the outer surface of the frame plate is operated for 1 to 5 minutes, and a groove wheel is driven to rotate through the output end of the motor. The two groove wheels drive the rotating shaft and the fan blades to rotate slowly at the same time through the belt drive. At the same time, the electric heating rod is operated to heat and heat up, and the temperature is transferred to the surface of the heat-conducting rod. The heat on the surface of the heat-conducting rod is blown down by the fan blades to the lines and equipment on the surface of the mounting plate and the bottom of the inner wall of the cabinet, so as to heat up and dehumidify the inside of the cabinet. The motor and the electric heating rod stop working and the humidity inside the cabinet is detected again through the humidity sensor. If it is still relatively humid, the motor is operated for 1 to 5 minutes again to completely dehumidify the cabinet.
[0007] Preferably, two oblique grooves are provided at the top end of the heat conducting rod, and the two oblique grooves are respectively located on both sides of the top end of the heat conducting rod.
[0008] The effect achieved by the above components is: by setting the inclined groove, the wind blowing to the surface of the heat-conducting rod can be guided, so that the wind can enter the surface of the heat-conducting rod and take away more heat from the surface of the heat-conducting rod, thereby improving the dehumidification efficiency.
[0009] Preferably, two guide plates are fixedly connected to the bottom ends of the plurality of heat-conducting rods, and a certain wide angle is formed between the two guide plates and the heat-conducting rods.
[0010] The effect achieved by the above components is: by setting guide plates on the outer surface of part of the heat-conducting rod, the wind entering the surface of the heat-conducting rod can be guided, so that the wind can blow the heat on the surface of the heat-conducting rod to the side, thereby improving the dehumidification effect.
[0011] Preferably, a plurality of positioning blocks are fixedly connected to the outer surface of the frame plate, and the positioning blocks are located outside the belt.
[0012] The effect achieved by the above components is: by setting the positioning block, the position of the belt can be restricted, thereby improving the stability of the belt when driving the two sheaves to rotate.
[0013] Preferably, the auxiliary device includes two slot blocks, one side of the two slot blocks is fixedly connected to the two sides of the frame plate respectively, two through holes are provided on the outer surface of the slot block, bolts are slidably inserted into the inner walls of the through holes, and a plurality of threaded holes are provided on the top of the inner wall of the cabinet body, and the outer surface of the bolt is threadedly connected to the inner wall of the threaded hole.
[0014] The effect achieved by the above components is: fit the top of the slot block to the top of the inner wall of the cabinet so that the through hole on the outer surface of the slot block is aligned with the position of the threaded hole, and then insert the bolt through the through hole into the threaded hole. By turning the bolt to connect it with the inner wall of the threaded hole, the slot block and the dehumidification device can be installed inside the cabinet. By turning the bolt out of the threaded hole, the slot block and the dehumidification device can be removed, thereby improving the convenience of using the dehumidification device.
[0015] Preferably, auxiliary blocks are fixedly connected to both sides of the outer surface of the frame plate, and two grooves are provided on the outer surface of the auxiliary blocks.
[0016] The effect achieved by the above components is that the dehumidification device can be taken out more conveniently by holding the groove on the outer surface of the auxiliary block, and the dehumidification device can be controlled for disassembly and assembly.
[0017] Preferably, two elastic ropes are fixedly connected to one side of the slot block, and one end of the two elastic ropes away from the slot block is rotatably connected to one end of a bolt respectively.
[0018] The effect achieved by the above components is that the bolt can be fixed to one side of the slot block by arranging the elastic rope, which makes it easy to take the bolt for use when disassembling and assembling the dehumidification device and avoids the bolt from being lost.
[0019] Preferably, two positioning rods are fixedly connected to the top end of the inner wall of the cabinet, and the distance between the two positioning rods is slightly larger than the width of the shelf.
[0020] The effect achieved by the above components is: when installing the dehumidification device, one side of the two slot blocks at the top of the frame plate can be clamped between the two positioning rods, so as to facilitate the alignment of the through holes on the surface of the slot blocks with the positions of the threaded holes, and use bolts to connect with the threaded holes.
[0021] Compared with the prior art, the advantages and positive effects of the present invention are:
[0022] In the utility model, a dehumidification device is provided. When a cable branch box is used, the humidity inside the cabinet is detected by a humidity sensor. When the inside of the cabinet is relatively humid, the surface of the heat-conducting rod is heated and heated by an electric heating rod. The fan blades are driven by an operating motor to blow the heat from the surface of the heat-conducting rod into the inside of the cabinet, thereby dehumidifying the inside of the cabinet and avoiding damage to the circuits and electrical components caused by the relatively humidity inside the cabinet as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the cabinet of the utility model;
[0025] Figure 3This is a schematic diagram of the three-dimensional structure of the frame plate of the utility model;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the heat conducting rod of the utility model.
[0027] Legend: 1. Cabinet; 2. Dehumidification device; 3. Auxiliary device; 4. Mounting plate; 5. Humidity sensor; 21. Frame; 22. Heat-conducting rod; 23. Motor; 24. Grooved pulley; 25. Belt; 26. Rotating shaft; 27. Fan blade; 28. Electric heating rod; 29. Inclined groove; 210. Guide plate; 211. Positioning block; 31. Slot block; 32. Through hole; 33. Bolt; 34. Threaded hole; 35. Auxiliary block; 36. Elastic rope; 37. Positioning rod. DETAILED DESCRIPTION
[0028] Example 1, as Figure 1-4As shown, a cable branch box with an internal dehumidification structure includes a cabinet 1, the inner wall of the cabinet 1 is fixedly connected to a plurality of mounting plates 4, the outer surface of the mounting plate 4 is provided with a plurality of through grooves, a humidity sensor 5 is provided on one side of the inner wall of the cabinet 1, and a dehumidification device 2 is installed on the top of the inner wall of the cabinet 1 with the help of an auxiliary device 3. The dehumidification device 2 includes a frame plate 21, the outer surface of the frame plate 21 is fixedly connected to a plurality of heat-conducting rods 22, the outer surface of the frame plate 21 is provided with an electric heating rod 28, the electric heating rod 28 passes through the inner wall of the heat-conducting rod 22, and the inner wall of the frame plate 21 is rotatably connected to two The rotating shaft 26 has a plurality of fan blades 27 fixedly connected to the bottom end of the rotating shaft 26, and a groove wheel 24 fixedly connected to the top end of the rotating shaft 26. A motor 23 is provided on one side of the frame 21. The output end of the motor 23 is fixedly connected to the top end of a groove wheel 24. The outer surfaces of the two groove wheels 24 are provided with a belt 25. By setting an electric heating rod 28, when installing the cable branch box, the dehumidification device 2 is installed on the top end of the inner part of the cabinet 1 with the help of the auxiliary device 3. When the cable branch box is used, the humidity inside the cabinet 1 is detected by the internal humidity sensor 5. When the inside of the cabinet 1 is relatively humid, the humidity inside the cabinet 1 is detected by the humidity sensor 5. , operate the motor 231 on the outer surface of the frame 21 for 5 minutes, drive a groove wheel 24 to rotate through the output end of the motor 23, and drive the two groove wheels 24 to drive the rotating shaft 26 and the fan blades 27 to rotate slowly through the belt 25. At the same time, operate the electric heating rod 28 to heat and heat up, and conduct the temperature to the surface of the heat-conducting rod 22. The heat on the surface of the heat-conducting rod 22 is blown downward to the circuits and equipment on the surface of the mounting plate 4 and the bottom end of the inner wall of the cabinet 1 through the fan blades 27, thereby heating and dehumidifying the interior of the cabinet 1. The motor 23 and the electric heating rod 28 stop working through the wet The humidity sensor 5 detects the humidity inside the cabinet 1 again. If it is still relatively humid, the motor 23 is operated again for 1 to 5 minutes. By setting up the dehumidification device 2 and using the cable branch box, the humidity inside the cabinet 1 is detected by the humidity sensor 5. When the inside of the cabinet 1 is relatively humid, the surface of the heat-conducting rod 22 is heated by the electric heating rod 28, and the fan blades 27 are driven by the operation of the motor 23 to blow the heat on the surface of the heat-conducting rod 22 to the inside of the cabinet 1, thereby dehumidifying the inside of the cabinet 1 and avoiding damage to the circuits and electrical components caused by the relatively humid inside the cabinet 1 as much as possible.
[0029] Reference Figure 2-4 As shown, in this embodiment: two inclined grooves 29 are provided at the top of the heat-conducting rod 22, and the two inclined grooves 29 are respectively located on both sides of the top of the heat-conducting rod 22. By setting the inclined grooves 29, the wind blown to the surface of the heat-conducting rod 22 can be guided, so that the wind can enter the surface of the heat-conducting rod 22 and take away more heat from the surface of the heat-conducting rod 22, thereby improving the dehumidification efficiency. The bottom ends of several heat-conducting rods 22 are fixedly connected to two guide plates 210, and a certain wide angle is formed between the two guide plates 210 and the heat-conducting rod 22. By setting guide plates 210 on the outer surfaces of some heat-conducting rods 22, the wind entering the surface of the heat-conducting rod 22 can be guided, so that the wind can blow the heat on the surface of the heat-conducting rod 22 to the side, thereby improving the dehumidification effect.
[0030] Referring to Figure 2-4 In this embodiment, the outer surface of the shelf plate 21 is fixedly connected with a plurality of positioning blocks 211, which are located outside the belt 25. The positioning blocks 211 can limit the position of the belt 25 and improve the stability of the belt 25 when driving the two groove wheels 24 to rotate.
[0031] Referring to 1-4, in this embodiment, the auxiliary device 3 includes two groove blocks 31, one side of each of the two groove blocks 31 is fixedly connected with one side of the shelf plate 21, the outer surface of each groove block 31 is provided with two through holes 32, a screw 33 is slidingly inserted into the inner wall of each through hole 32, a plurality of threaded holes 34 are formed in the inner wall top end of the cabinet 1, the outer surface of each screw 33 is threadedly connected with the inner wall of each threaded hole 34, the top end of each groove block 31 is attached to the inner wall top end of the cabinet 1 so that the through hole 32 on the outer surface of each groove block 31 is aligned with the threaded hole 34, and then each screw 33 is inserted through the through hole 32 and into the threaded hole 34. Threadedly connecting the screw 33 with the inner wall of the threaded hole 34 can install the groove block 31 and the dehumidifying device 2 inside the cabinet 1, and rotating the screw 33 to disengage from the inner wall of the threaded hole 34 can detach the groove block 31 and the dehumidifying device 2, thereby improving the convenience of using the dehumidifying device 2.
[0032] Referring to Figure 2-4 In this embodiment, the outer surface of the shelf plate 21 is fixedly connected with a plurality of positioning blocks 211, which are located outside the belt 25. The positioning blocks 211 can limit the position of the belt 25 and improve the stability of the belt 25 when driving the two groove wheels 24 to rotate.
[0033] Referring to Figure 2-4 In this embodiment, the inner wall top end of the cabinet 1 is fixedly connected with two positioning rods 37, and the distance between the two positioning rods 37 is slightly greater than the width of the shelf plate 21. When installing the dehumidifying device 2, one side of the two groove blocks 31 at the top end of the shelf plate 21 can be clamped between the two positioning rods 37, which facilitates the alignment of the through hole 32 on the surface of the groove block 31 with the threaded hole 34 and the connection of the screw 33 with the threaded hole 34.
[0034] Working principle: when installing the cable branch box, the electrical elements and lines are attached to one side of the installation plate 4, and the electrical elements and lines are installed on the surface of the installation plate 4 using nails and other fixing tools. The top end of the groove block 31 is attached to the inner wall top end of the cabinet 1, and the through hole 32 on the outer surface of the groove block 31 is aligned with the position of the threaded hole 34. Then the bolt 33 is inserted through the through hole 32 and inserted into the threaded hole 34. By rotating the bolt 33 and the inner wall threaded hole 34, the groove block 31 and the dehumidifying device 2 can be installed inside the cabinet 1. When the branch box is in use, the humidity inside the cabinet 1 is detected by the internal humidity sensor 5. When the inside of the cabinet 1 is relatively humid, the motor 231-5min on the outer surface of the operating frame plate 21 is operated. Through the output end of the motor 23, a groove wheel 24 is driven to rotate. Through the belt 25 transmission, two groove wheels 24 simultaneously drive the rotating shaft 26 and the fan blade 27 to rotate slowly. At the same time, the electric heating rod 28 is operated to heat and warm up, and the temperature is conducted to the surface of the heat conducting rod 22. Through the fan blade 27, the heat on the surface of the heat conducting rod 22 is blown downward to the lines and equipment on the surface of the installation plate 4 and the inner wall bottom end of the cabinet 1, and the inside of the cabinet 1 is heated and dehumidified. The motor 23 and the electric heating rod 28 stop operating, and the humidity inside the cabinet 1 is detected again through the humidity sensor 5. If it is still relatively humid, the motor 231-5min is operated again to completely dehumidify the inside of the cabinet 1.
Claims
1. A cable branch box with an internal dehumidification structure, comprising a cabinet (1), characterized in that: The inner wall of the cabinet (1) is fixedly connected to a plurality of mounting plates (4), and the outer surface of the mounting plates (4) is provided with a plurality of through grooves. A humidity sensor (5) is provided on one side of the inner wall of the cabinet (1). A dehumidification device (2) is installed on the top of the inner wall of the cabinet (1) with the aid of an auxiliary device (3). The dehumidification device (2) includes a frame plate (21), and the outer surface of the frame plate (21) is fixedly connected to a plurality of heat-conducting rods (22). The outer surface of the frame plate (21) is provided with an electric heating rod (28). The electric heating rod (28) passes through the inner wall of the heat-conducting rod (22); the inner wall of the frame (21) is rotatably connected to two rotating shafts (26); the bottom end of the rotating shaft (26) is fixedly connected to a plurality of fan blades (27); the top end of the rotating shaft (26) is fixedly connected to a groove wheel (24); a motor (23) is provided on one side of the frame (21); the output end of the motor (23) is fixedly connected to the top end of a groove wheel (24); and the outer surfaces of the two groove wheels (24) are provided with belts (25).
2. The cable branch box with an internal dehumidification structure according to claim 1, characterized in that: Two inclined grooves (29) are provided at the top end of the heat-conducting rod (22), and the two inclined grooves (29) are respectively located on both sides of the top end of the heat-conducting rod (22).
3. The cable branch box with an internal dehumidification structure according to claim 2, characterized in that: The bottom ends of the plurality of heat-conducting rods (22) are fixedly connected to two guide pieces (210), and a certain wide angle is formed between the two guide pieces (210) and the heat-conducting rods (22).
4. The cable branch box with an internal dehumidification structure according to claim 3, characterized in that: A plurality of positioning blocks (211) are fixedly connected to the outer surface of the frame plate (21), and the positioning blocks (211) are located outside the belt (25).
5. The cable branch box with an internal dehumidification structure according to claim 4, characterized in that: The auxiliary device (3) includes two slot blocks (31), one side of the two slot blocks (31) is fixedly connected to the two sides of the frame plate (21), the outer surface of the slot block (31) is provided with two through holes (32), the inner wall of the through hole (32) is slidably inserted with a bolt (33), the top of the inner wall of the cabinet (1) is provided with a plurality of threaded holes (34), and the outer surface of the bolt (33) is threadedly connected to the inner wall of the threaded hole (34).
6. The cable branch box with an internal dehumidification structure according to claim 5, characterized in that: Auxiliary blocks (35) are fixedly connected to both sides of the outer surface of the frame plate (21), and two grooves are formed on the outer surface of the auxiliary block (35).
7. The cable branch box with an internal dehumidification structure according to claim 6, characterized in that: Two elastic ropes (36) are fixedly connected to one side of the slot block (31), and one end of the two elastic ropes (36) away from the slot block (31) is rotatably connected to one end of a bolt (33) respectively.
8. The cable branch box with an internal dehumidification structure according to claim 7, characterized in that: Two positioning rods (37) are fixedly connected to the top of the inner wall of the cabinet (1), and the distance between the two positioning rods (37) is slightly larger than the width of the shelf (21).