Low-voltage cable branch box capable of adjusting size of heat dissipation opening

By introducing a temperature sensor and a drive motor system into the low-voltage cable branch box, the size of the heat dissipation vents and the rotation of the fan blades are automatically adjusted, solving the problem of unstable operation caused by untimely heat dissipation and achieving efficient heat dissipation and dust prevention.

CN224053869UActive Publication Date: 2026-03-27FUJIAN YUNENG ELECTRIC COMPLETE DEVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing low-voltage cable distribution boxes suffer from unstable operation and even malfunctions during peak electricity consumption periods due to inadequate heat dissipation.

Method used

A low-voltage cable branch box with adjustable heat dissipation vents was designed. The temperature is detected by a temperature sensor, which controls the drive motor to rotate the fan blades. The adjustment plate moves to change the size of the heat dissipation vents, and a filter screen is provided to prevent dust from entering, thus achieving efficient heat dissipation.

Benefits of technology

It automatically adjusts the size of the heat dissipation vents according to temperature changes, improving heat dissipation efficiency, preventing dust from entering, and ensuring stable equipment operation.

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Patent Text Reader

Abstract

The utility model discloses a low-voltage cable branch box capable of adjusting the size of a heat dissipation port, which comprises a base and a heat dissipation mechanism, the upper part of the base is fixedly connected with a box body, the upper part of the box body is fixedly connected with a top cover, the left side of the box body is provided with a fixed box, and the fixed box is internally provided with an adjusting box. A first adjusting plate and a second adjusting plate are arranged in the adjusting box, a plurality of air dissipation holes are formed in the middle of the first adjusting plate and the middle of the second adjusting plate in a penetrating mode, the heat dissipation mechanism comprises a heat dissipation box fixed to the right side of the box body, and a driving motor is arranged on the outer surface of the lower portion of the heat dissipation box. A rotating rod is fixedly connected to the output end of the driving motor, a rotating column is arranged on the left side of the upper end of the rotating rod, and fan blades are fixedly connected to the left end of the rotating column. Through the above structure, the low-voltage cable box branch box can be cooled in time, and the air circulation amount in the box body can be changed according to the needs of actual conditions, so that more efficient heat dissipation can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable branch box technical field, especially in low voltage cable branch box of adjustable heat dissipation opening size. BACKGROUND

[0002] Low voltage cable branch box is a kind of equipment for low voltage power system, main function is to distribute main power supply to multiple branch circuit, guarantee the safe, stable supply of power, it is widely used in industry, building, city power distribution etc., it can be installed in outdoor, indoor or buried place, can link up power cable with box transformer, load switch cabinet, negative one fusing combination electrical apparatus cabinet, ring network power supply unit etc., play the role of tapping, branch, relay or conversion, provide great convenience for cable network.

[0003] The existing low voltage cable branch box is generally provided with heat dissipation opening on both sides when radiating heat, and radiates heat by internal air circulation, but during special period or power peak, power increases suddenly, equipment internal temperature rises rapidly, and if not timely radiating heat to equipment interior, it can cause equipment unstable operation, even failure. UTILITY MODEL CONTENTS

[0004] The utility model discloses a low voltage cable branch box of adjustable heat dissipation opening size, can radiate heat to low voltage cable box branch box in time, change the air flow of box body interior according to the actual condition needs simultaneously, realize more efficient heat dissipation.

[0005] To achieve the above object, provide a kind of low voltage cable branch box of adjustable heat dissipation opening size, including base and heat dissipation mechanism, the upper outer surface of the base is fixedly connected with box body, the upper outer surface of the box body is fixedly connected with top cover, the left outer surface of the box body is provided with fixed box, the inside of the fixed box is provided with adjusting box, the inside of the adjusting box is provided with adjusting plate one and adjusting plate two, the middle part of adjusting plate one and adjusting plate two is all provided with a plurality of air holes;

[0006] The heat dissipation mechanism includes the heat dissipation box of fixed connection on the right outer surface of the box body, the lower outer surface of the heat dissipation box is provided with drive motor, the output of the drive motor is fixedly connected with rotating rod, the upper end left side of the rotating rod is provided with rotating column, the left end outer surface of the rotating column is fixedly connected with fan blade.

[0007] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the front outer surface of the fixed box is rotationally connected with a knob, the rear outer surface of the knob is fixedly connected with a rotating rod, the rear end of the rotating rod is fixedly connected with a gear, the left and right outer surfaces of the gear are respectively meshingly connected with a second rack and a first rack, the first rack is fixedly connected to the lower outer surface of the first adjusting plate, and the second rack is fixedly connected to the lower outer surface of the second adjusting plate.

[0008] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the left side of the fixed box is provided with a heat dissipation port, and the right side of the fixed box is provided with a heat outlet.

[0009] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the upper and lower inner surfaces of the heat dissipation box are fixedly connected with U-shaped supporting blocks, and the inner surfaces of the U-shaped supporting blocks are slidably connected with filter screens, so that dust is prevented from entering the box body and affecting the operation of the equipment.

[0010] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the front left outer surface of the box body is provided with a hinge, the box body is rotationally connected with a box door through the hinge, and the front outer surface of the box door is provided with a locking assembly.

[0011] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the rear inner surface of the box body is provided with a temperature sensor and a controller, the temperature sensor and the controller are electrically connected, and the controller and the driving motor are electrically connected.

[0012] According to the adjustable low-voltage cable branch box of the size of the heat dissipation port, the right outer surface of the heat dissipation box is provided with an air inlet, the left outer surface of the heat dissipation box is provided with an air outlet, the inside of the heat dissipation box is fixedly connected with a fixed block, and the middle of the fixed block is rotationally connected with a rotating column.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1、Compared with the prior art, by rotating the knob, the rotating rod and the gear are driven to rotate, the first rack and the second rack are driven to move up and down, the first adjusting plate and the second adjusting plate are driven to move up and down, the opening size of the air outlet is adjusted according to the change of the internal temperature of the equipment, the air flow in the box body is changed, and more efficient heat dissipation is realized.

[0015] 2、compared with the prior art, through the temperature sensor detection, when the temperature is too high, the controller starts the drive motor, thereby driving the rotating rod, rotating column and fan rotating, accelerating the air circulation inside the equipment, timely heat dissipation inside the box, improve the heat dissipation efficiency, at the same time, through the setting of filter screen, avoid dust into the equipment inside, and by pulling the handle in front of the filter screen, convenient to pull out the filter screen, convenient to clean, improve the filtering efficiency of the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained below in combination with the drawings and embodiments;

[0017] Figure 1 It is the whole mechanism schematic diagram of the low voltage cable branch box of the utility model of adjustable heat dissipation opening size;

[0018] Figure 2 It is the inside view of the low voltage cable branch box of the utility model of adjustable heat dissipation opening size;

[0019] Figure 3 It is the inside structure diagram of the fixed box of the low voltage cable branch box of the utility model of adjustable heat dissipation opening size;

[0020] Figure 4 It is the front view sectional view of the fixed box of the low voltage cable branch box of the utility model of adjustable heat dissipation opening size;

[0021] Figure 5 It is the heat dissipation mechanism sectional view of the low voltage cable branch box of the utility model of adjustable heat dissipation opening size.

[0022] Legend:

[0023] 1, base; 2, box; 3, top cover; 4, heat dissipation mechanism; 5, fixed box; 6, adjusting box; 7, box door; 8, hinge; 9, heat dissipation port; 10, heat outlet; 11, temperature sensor; 12, controller;

[0024] 41, heat dissipation box; 42, drive motor; 43, rotating rod; 44, rotating column; 45, fan; 46, U-shaped support block; 47, filter screen; 48, air inlet; 49, fixed block; 61, knob; 62, rotating rod; 63, gear; 64, rack one; 65, adjusting plate one; 66, rack two; 67, adjusting plate two; 68, air outlet. DETAILED DESCRIPTION

[0025] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] Referring to Figures 1-5 The utility model discloses an adjustable low -voltage cable branch box of heat dissipation mouth size, it includes base 1 and heat dissipation mechanism 4, the upper outer surface of base 1 is fixedly connected with box 2, the upper outer surface of box 2 is fixedly connected with top cover 3, the front left outer surface of box 2 is provided with hinge 8, and box door 7 is rotatably connected with box 2 through hinge 8, the front outer surface of box door 7 is provided with locking assembly, the rear inner surface of box 2 is provided with temperature sensor 11 and controller 12, temperature sensor 11 and controller 12 are electrically connected, and controller 12 and drive motor 43 are electrically connected.

[0027] The left outer surface of box 2 is provided with fixed box 5, the inside of fixed box 5 is provided with adjusting box 6, the front outer surface of fixed box 5 is rotatably connected with knob 61, the rear outer surface of knob 61 is fixedly connected with rotating rod 62, the rear end of rotating rod 62 is fixedly connected with gear 63, the left and right outer surfaces of gear 63 are respectively meshingly connected with rack two 66 and rack one 64, the upper end of rack one 64 is fixedly connected with adjusting plate one 65, the upper end of rack two 66 is fixedly connected with adjusting plate two 67, adjusting plate one 65 is slidably connected to the upper outer surface of adjusting box 6, adjusting plate two 67 is slidably connected to the lower outer surface of adjusting box 6, a plurality of air vents 68 are formed in the middle of adjusting plate one 65 and adjusting plate two 67, and the material of adjusting plate one 65 and adjusting plate two 67 is light material, the gravity received by adjusting plate one 65 and adjusting plate two 67 is less than the friction between rotating rod 62 and the wall, so that adjusting plate one 65 and adjusting plate two 67 are prevented from moving due to gravity during movement, the left side of fixed box 5 and adjusting box 6 is provided with heat discharge port 9, so as to facilitate the removal of hot air generated by the equipment, the right side of fixed box 5 is provided with heat outlet 10, so as to facilitate the removal of hot air outside, the left side of heat outlet 10 is provided with a protective net, to prevent dust from entering, and also to play a protective role.

[0028] The above structure, by rotating knob 61, rotating rod 62 is driven to rotate, and then adjusting plate one 65 and adjusting plate two 67 are driven to move up and down through the setting of gear one 63, rack one 64 and rack two 67, the opening size of air vent 68 is adjusted according to the temperature change in the box 2, and the air flow in the box 2 is changed.

[0029] The heat dissipation mechanism 4 comprises a heat dissipation box 41 fixedly connected to the right outer surface of the box body 2, the lower outer surface of the heat dissipation box 41 is fixedly connected with a driving motor 42, the output end of the driving motor 42 is fixedly connected with a rotating rod 43, the upper end of the rotating rod 43 is connected with a rotating column 44 through a bevel gear set, the rotating column 44 rotates through the middle outer surface of a fixed block 49, the left end outer surface of the rotating column 44 is fixedly connected with a fan blade 45, the upper and lower inner surfaces of the heat dissipation box 41 are fixedly connected with a U-shaped supporting block 46, the inner surface of the U-shaped supporting block 46 is slidingly connected with a filter screen 47, which prevents dust from entering the inside of the box body 2, the front outer surface of the filter screen 47 is fixedly connected with a handle, the filter screen 47 is slidingly connected to the inner surface of the heat dissipation box 41, the right outer surface of the heat dissipation box 41 is provided with an air inlet 48, and the left outer surface of the heat dissipation box 41 is provided with an air outlet.

[0030] The above structure, through the starting driving motor 43, drives the rotating column 44 and the fan blade 45 to rotate, accelerates the air circulation in the inside of the box body 2, improves the heat dissipation efficiency, and avoids dust from entering the inside of the equipment through the action of the filter screen 47, thereby affecting the equipment operation.

[0031] Working principle: the low-voltage cable branch box with adjustable heat dissipation opening size detects through the temperature sensor 11 in use, when the temperature is too high, the controller 12 starts the driving motor 43, thereby driving the rotating rod 43, the rotating column 44 and the fan blade 45 to rotate, so that the cold air outside enters the inside of the equipment through the air inlet 48, accelerates the air circulation in the inside of the equipment, improves the heat dissipation efficiency, avoids dust from entering the inside of the equipment through the setting of the filter screen 47, and simultaneously through pulling the handle in front of the filter screen 47, the filter screen 47 is conveniently pulled out, convenient to clean, improves the filtering efficiency of the filter screen 47.

[0032] Meanwhile, the knob 61 is rotated, thereby driving the rotating rod 62 and the gear 63 to rotate, thereby driving the rack one 64 and the rack two 66 to move up and down, thereby driving the adjusting plate one 65 and the adjusting plate two 67 to move up and down, the opening size of the air outlet hole 68 is adjusted according to the temperature change in the inside of the box body 2, thereby changing the air circulation in the inside of the box body 2, and higher heat dissipation is realized.

[0033] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A low voltage cable branch box with adjustable size of heat dissipation opening, characterized in that, Including the base (1) and the heat dissipation mechanism (4), the upper outer surface of the base (1) is fixedly connected with the box (2), the upper outer surface of the box (2) is fixedly connected with the top cover (3), the left outer surface of the box (2) is provided with a fixed box (5), the inside of the fixed box (5) is provided with an adjusting box (6), the inside of the adjusting box (6) is provided with adjusting plate one (65) and adjusting plate two (67), the middle part of the adjusting plate one (65) and the adjusting plate two (67) is provided with a plurality of air holes (68). The heat dissipation mechanism (4) includes a heat dissipation box (41) fixedly connected to the right outer surface of the box (2), a drive motor (42) is arranged on the lower outer surface of the heat dissipation box (41), the output end of the drive motor (42) is fixedly connected with a rotating rod (43), the upper end left side of the rotating rod (43) is provided with a rotating column (44), the left end outer surface of the rotating column (44) is fixedly connected with a fan blade (45).

2. The low-voltage cable junction box with adjustable heat dissipation opening size according to claim 1, characterized in that, The front outer surface of the fixed box (5) is rotatably connected with a knob (61), the rear outer surface of the knob (61) is fixedly connected with a rotating rod (62), the rear end of the rotating rod (62) is fixedly connected with a gear (63), the left and right outer surfaces of the gear (63) are respectively meshingly connected with a rack two (66) and a rack one (64), the rack one (64) is fixedly connected to the lower outer surface of the adjusting plate one (65), and the rack two (66) is fixedly connected to the lower outer surface of the adjusting plate two (67).

3. The low-voltage cable junction box with adjustable heat dissipation opening size according to claim 1, characterized in that, The left side of the fixed box (5) is provided with a heat exhaust port (9), the right side of the fixed box (5) is provided with a heat outlet (10), and the left side of the heat outlet (10) is provided with a protective net.

4. The low-voltage cable junction box with an adjustable size of a heat dissipation opening according to claim 1, characterized in that, The upper and lower inner surfaces of the heat dissipation box (41) are fixedly connected with U-shaped supporting blocks (46), and the inner surfaces of the U-shaped supporting blocks (46) are slidably connected with filter screens (47).

5. The low-voltage cable junction box with an adjustable size of a heat dissipation opening according to claim 1, characterized in that, The front left outer surface of the box (2) is provided with a hinge (8), and the box door (7) is rotatably connected to the box (2) through the hinge (8).

6. The low-voltage cable junction box with an adjustable size of a heat dissipation opening according to claim 1, characterized in that The rear inner surface of the box (2) is provided with a temperature sensor (11) and a controller (12), the temperature sensor (11) and the controller (12) are electrically connected, and the controller (12) and the drive motor (42) are electrically connected.

7. The low-voltage cable junction box of claim 1, wherein, The right outer surface of the heat dissipation box (41) is provided with an air inlet (48), the left outer surface of the heat dissipation box (41) is provided with an air outlet, the inside of the heat dissipation box (41) is fixedly connected with a fixed block (49), and the middle part of the fixed block (49) is rotatably connected with a rotating column (44).