Protective wiring terminal box
By combining wire clamps, wire-fixing pads, and semiconductor cooling chips, the problems of cable fixation and cooling in the terminal box are solved, improving connection stability and heat dissipation, preventing dust from entering, and ensuring the safe operation of the terminal box.
Patent Information
- Application Number
- CN202520282132.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing terminal boxes have poor stability after cables are connected to the terminals, poor cooling effect, are easily pulled and shaken by external forces, have unsatisfactory heat dissipation effect, and allow external dust to easily enter.
Cables are secured using cable clamps and fixing pads, with the addition of limiting edges, locking grooves, and locking blocks to improve stability. Semiconductor cooling chips, heat exchange structures, and heat dissipation components are used for effective cooling, while cooling fans enhance heat dissipation. Sealing gaskets and desiccant packs are also included to improve sealing and moisture resistance.
This achieves stable cable fixation, improves the stability and heat dissipation of terminal block connections, prevents dust from entering, and ensures the safe and stable operation of the terminal block box.
Smart Images

Figure CN223713525U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wiring terminal box technical field more specifically, it relates to a kind of protective wiring terminal box. BACKGROUND
[0002] Wiring terminal box is a kind of equipment for centralized management and protection of electrical wiring connection, is widely used in industry, commerce and residential buildings.It not only can simplify the connection and maintenance of electrical wiring, but also can provide overload protection, short-circuit protection and insulation protection and other functions, ensure the safety and stable operation of electrical system.
[0003] The existing wiring terminal box will usually be provided with inlet on the box, the cable for being connected with terminal is passed into wiring terminal box through inlet, and is connected with wiring terminal, but the existing wiring terminal box cannot fix cable of inlet, so that after cable is connected with wiring terminal, it is easy to be pulled and shaken by outside, affect the connection stability of cable at wiring terminal;
[0004] In addition, wiring terminal will generate heat during operation, in the prior art, it is usually realized by natural heat dissipation, part of wiring terminal box will be realized by being provided with heat dissipation hole to realize heat dissipation, but in this case, the cooling effect at wiring terminal is poor, and dust in outside is easy to enter inside wiring terminal box through heat dissipation hole. UTILITY MODEL CONTENTS
[0005] (I) technical problem solved
[0006] In view of the problems in the prior art, the utility model provides a kind of protective wiring terminal box to solve the technical problems that wiring terminal box in prior art mentioned in background art is poor in fixed protection of cable after cable is inserted into wiring terminal and connected with wiring terminal inside, and poor in cooling protection of wiring terminal during operation.
[0007] (II) technical scheme
[0008] To achieve the above object, the utility model provides the following technical scheme:
[0009] The utility model provides a protective wiring terminal box, including the box body, wiring terminal body is arranged in the box body, the top and the bottom of box body all are equipped with the wire inlet, two groups of wire clamp are symmetrically arranged at wire inlet, the inboard of wire clamp is equipped with wire fixing rubber pad, and the wire clamp is equipped with wire clamp groove on cooperation, and two groups of wire clamp carry wire fixing rubber pad and can be fixed in wire inlet, the side of wire clamp is equipped with limit limit, and the lock groove is equipped on the limit, the inner wall of box body is equipped with connecting column on cooperation, the lock block is equipped on the connecting column through the cooperation of shaft and bearing, the sidewall of box body is equipped with semiconductor refrigeration piece, and the heat exchange structure is arranged in the inside of box body to the refrigeration end of semiconductor refrigeration piece, and the heat dissipation component is arranged to the heat dissipation end of semiconductor refrigeration piece.
[0010] The utility model further sets up, the heat exchange structure includes heat exchange board, the heat exchange board is attached semiconductor refrigeration piece's refrigeration end setting, be equipped with heat exchange fin on the heat exchange board, and the low temperature cold energy of semiconductor refrigeration piece cold end can be quickly transferred to heat exchange fin through heat exchange board, makes heat exchange fin cooling, thereby can carry out heat exchange with the airflow in the inside of box body, thereby realize the cooling of the inside of box body, further guarantee the cooling effect at wiring terminal body, here, heat exchange board and radiating fin preferably good heat conductivity purple copper, aluminium base or heat conducting ceramic material.
[0011] The utility model further sets up, the heat dissipation component includes heat dissipation board, the heat dissipation board is attached semiconductor refrigeration piece's heat dissipation end setting, the surface of heat dissipation board is equipped with radiating fin, and the heat of semiconductor refrigeration piece heat dissipation end can be quickly transferred to radiating fin through heat dissipation board, and radiating fin carries out heat dissipation, guarantees the heat dissipation performance of semiconductor refrigeration piece, here, heat dissipation board and radiating fin preferably good heat conductivity purple copper, aluminium base or heat conducting ceramic material.
[0012] The utility model further sets up, the outside of box body is equipped with mounting bracket, and the heat dissipation fan is set up to radiating fin direction on the mounting bracket, and the heat dissipation fan is started, and the airflow flow near radiating fin can be strengthened through heat dissipation fan, thereby strengthens the heat dissipation effect of radiating fin and heat dissipation board, and further improves the use performance of semiconductor refrigeration piece.
[0013] The utility model further sets up, the outside of wire clamp is equipped with sealing gasket, and the wire clamp can be sealed and attached between the inner wall of wire inlet through sealing gasket, and the sealing property between clamping frame and the inner wall of wire inlet can be improved through the setting of sealing gasket, thereby can improve the sealing effect at wire inlet.
[0014] The utility model further sets up, the top of fixed line rubber pad extends to limit along direction setting has anti-abrasion pad, the anti-abrasion pad is provided with anti-abrasion along with the junction of fixed line rubber pad, can improve the anti-abrasion effect when the cable in wiring terminal box and wiring terminal body connect, improve the protection of cable when installing.
[0015] The utility model further sets up, the inside of box is provided with net dipper, dry bag is provided in the net dipper, can strengthen the dry moisture-proof effect in the inside of box through the setting of dry bag, the one end of net dipper is closed, and the other end is open, and the elastic net dipper is selected, that is, the stable installation of dry bag in the box can be realized, and the dry bag is convenient to replace.
[0016] The utility model further sets up, the surface of box is provided with sealed box door, is provided with protection lock on the sealed box door, can realize the sealed protection of front surface when not using through the setting of sealed box door and protection lock.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the utility model provides a kind of protective wiring terminal box, with following
[0019] Beneficial effects:
[0020] 1, the utility model discloses a mutually matched wire clamp and fixed line rubber pad are provided at inlet, in use, the cable for being connected with wiring terminal body is entered into box interior from inlet, then, control cable is at appropriate length, so that two groups of clamping frame are located at the two sides of cable respectively, so that different cables are located in different wire clamping groove respectively, so that fixed line rubber pad is contacted with cable, and pinch two groups of wire clamp, so that wire clamp is clamped with cable at inlet, here, fixed line rubber pad can realize the clamping and fixation of cable in wire clamping groove stably, to avoid that cable is accidentally touched and pulled during use, affect the temperature of connection stability between wiring terminal body and cable.
[0021] 2, in the utility model, in order to improve the installation stability of clamping frame at inlet, limit along, locking groove, connecting column and locking block are cooperatively arranged, when wire clamp is clamped and entered into inlet, locking groove on limit along is just set on connecting column through locking block, then, rotate locking block, so that locking block and locking groove are misaligned, so that the movement of limit along can be limited by locking block, so that the movement of wire clamp at inlet is limited, improve the fixed stability of wire clamp to cable, and simultaneously, the above structure can conveniently and quickly realize the locking and fixation of limit along and disassembly.
[0022] 3、The utility model discloses a kind of improve the cooling effect of terminal body in the process of operation, set up mutually coordinated semiconductor refrigeration sheet, heat exchange structure and heat dissipation component, so, when needing to cool the terminal body at the inside of box, semiconductor refrigeration sheet can be started, low-temperature cold quantity of semiconductor refrigeration sheet cold end can be quickly transferred to heat exchange fin by heat exchange plate, so that heat exchange fin cooling, to realize the cooling of the inside of box, to guarantee the cooling effect of terminal body, simultaneously, the heat of semiconductor refrigeration sheet heat dissipation end can be quickly transferred to radiating fin by heat dissipation plate, and radiating fin is cooled, guarantee the heat dissipation performance of semiconductor refrigeration sheet, to guarantee the cooling effect of the inside of box. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the overall structure schematic diagram of protective wiring terminal box in the utility model;
[0024] Figure 2 It is the inside structure section view schematic of box in the utility model; Figure 1 ;
[0025] Figure 3 It is the inside structure section view schematic of box in the utility model; Figure 2 ;
[0026] Figure 4 It is the cooperation structure schematic between clamp and wire-retaining rubber pad in the utility model;
[0027] Figure 5 It is the local connection structure section view schematic between clamp and wire-retaining rubber pad in the utility model;
[0028] Figure 6 It is the installation structure section view of semiconductor refrigeration sheet on the box in the utility model.
[0029] In the drawing: 1, box; 2, terminal body; 3, wire inlet; 4, clamp; 5, wire-retaining rubber pad; 6, wire clamping groove; 7, limiting edge; 8, locking groove; 9, connecting column; 10, locking block; 11, semiconductor refrigeration sheet; 12, heat exchange plate; 13, heat exchange fin; 14, heat dissipation plate; 15, radiating fin; 16, mounting bracket; 17, heat dissipation fan; 18, sealing gasket; 19, anti-abrasion pad; 20, anti-abrasion edge; 21, net bag; 22, drying bag; 23, sealed box door; 24, protection lock. DETAILED DESCRIPTION
[0030] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0031] It should be noted that, unless otherwise indicated, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0032] In the utility model, in the case where no opposite indication is made, the orientation such as "upper, lower" is usually directed to the direction shown in the drawing, or is directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually directed to the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0033] Please refer to Figures 1-6 A protective wiring terminal box, comprising a box body 1, a wiring terminal body 2 is arranged in the box body 1, wire inlet ports 3 are formed in the top and bottom of the box body 1, two groups of wire clamping racks 4 are symmetrically arranged at the wire inlet ports 3, wire fixing rubber pads 5 are arranged on the inner sides of the wire clamping racks 4, wire clamping grooves 6 are formed in the wire fixing rubber pads 5 and the wire clamping racks 4 in a matched mode, and the two groups of wire clamping racks 4 carrying the wire fixing rubber pads 5 can be clamped and fixed at the wire inlet ports 3 after being aligned;
[0034] In use, the cable for being connected with the wiring terminal body 2 is led into the box body 1 from the wire inlet ports 3, then the cable is controlled to have a proper length, so that the two groups of clamping racks are respectively located on the two sides of the cable, so that different cables are respectively located in different wire clamping grooves 6, so that the wire fixing rubber pads 5 are in contact with the cable, and the two groups of wire clamping racks 4 are pinched, so that the wire clamping racks 4 carrying the cable are clamped at the wire inlet ports 3, at this time, the wire fixing rubber pads 5 can clamp and fix the cable in the wire clamping grooves 6 stably, so that the temperature of the cable is not affected by accidental touching and pulling during use, and the connection stability between the wiring terminal body 2 and the cable is ensured;
[0035] The utility model sets up the limit along 7 on the side of wire clamping rack 4, lock groove 8 is seted up on limit along 7, and the inner wall of box body 1 is provided with connecting column 9 in a matched mode, and lock block 10 is arranged on connecting column 9 through the cooperation of shaft and bearing;
[0036] When installing, when wire clamping rack 4 is clamped and enters wire inlet port 3, lock groove 8 on limit along 7 just passes through lock block 10 and is set on connecting column 9, then lock block 10 is rotated, so that lock block 10 and lock groove 8 are arranged in a staggered mode, so that the movement of limit along 7 can be limited by lock block 10, so that the movement of wire clamping rack 4 at wire inlet port 3 is limited, the fixing stability of wire clamping rack 4 to the cable is improved, and the lock fixing and dismounting of limit along 7 can be realized conveniently and quickly by adopting the above structure;
[0037] The utility model discloses a heat exchange structure and heat dissipation assembly are arranged on the side wall of the box body 1, and the heat dissipation end of the semiconductor refrigeration piece 11 extends to the outside of the box body 1 and is provided with a heat dissipation assembly.
[0038] The heat exchange structure includes a heat exchange plate 12, and the heat exchange plate 12 is arranged on the refrigeration end of the semiconductor refrigeration piece 11; the heat exchange plate 12 is provided with heat exchange fins 13; the low-temperature cold energy of the cold end of the semiconductor refrigeration piece 11 can be quickly transmitted to the heat exchange fins 13 through the heat exchange plate 12, so that the heat exchange fins 13 are cooled, thereby realizing heat exchange with the airflow in the box body 1, achieving the cooling effect of the box body 1, and further ensuring the cooling effect of the wiring terminal body 2.
[0039] The heat dissipation assembly includes a heat dissipation plate 14, and the heat dissipation plate 14 is arranged on the heat dissipation end of the semiconductor refrigeration piece 11; the surface of the heat dissipation plate 14 is provided with heat dissipation fins 15; the heat of the heat dissipation end of the semiconductor refrigeration piece 11 can be quickly transmitted to the heat dissipation fins 15 through the heat dissipation plate 14, and the heat dissipation fins 15 are used for heat dissipation, thereby ensuring the heat dissipation performance of the semiconductor refrigeration piece 11.
[0040] Further, the outside of the box body 1 is provided with a mounting frame 16, and the mounting frame 16 is provided with a heat dissipation fan 17 facing the heat dissipation fins 15; the heat dissipation fan 17 is started, and the airflow near the heat dissipation fins 15 can be strengthened through the heat dissipation fan 17, thereby strengthening the heat dissipation effect of the heat dissipation fins 15 and the heat dissipation plate 14, and further improving the use performance of the semiconductor refrigeration piece 11.
[0041] Please refer to Figures 1-6 As an embodiment of the wire clamp 4, the wire clamp 4 is provided with a sealing gasket 18 on the outside, and the wire clamp 4 can be sealingly attached between the sealing gasket 18 and the inner wall of the wire inlet 3; the sealing effect of the wire inlet 3 can be improved through the sealing gasket 18.
[0042] Please refer to Figures 1-6 As an embodiment of the wire fixing rubber pad 5, the wire fixing rubber pad 5 is provided with an anti-abrasion pad 19 extending in the direction of the limiting edge 7 at the top, and the anti-abrasion pad 19 is provided with an anti-abrasion edge 20 at the connection with the wire fixing rubber pad 5; the anti-abrasion effect of the cable and the wiring terminal body 2 when they are connected in the wiring terminal box can be improved through the anti-abrasion pad 19 and the anti-abrasion edge 20, and the protection of the cable during installation is improved.
[0043] Please refer to Figures 1-6As an embodiment of the box 1: the inside of the box 1 is provided with a mesh 21, and the mesh 21 is provided with a drying bag 22, and the drying bag 22 can enhance the drying and moisture-proof effect of the inside of the box 1, one end of the mesh 21 is closed, and the other end is open, the mesh 21 is selected as an elastic mesh 21, so that the stable installation of the drying bag 22 in the box 1 is realized, and the replacement of the drying bag 22 is facilitated.
[0044] Please refer to Figures 1-6 As an embodiment of the box 1: the surface of the box 1 is provided with a sealing box door 23, and the sealing box door 23 is provided with a protection lock 24, and the sealing box door 23 and the protection lock 24 can realize the sealing protection of the front surface of the box 1 when not in use.
[0045] In summary:
[0046] The utility model discloses a wire entry port 3 is provided with the wire clamp 4 and the wire fixing rubber pad 5 of mutual cooperation, when using, the cable for connecting with the terminal body 2 is entered into the box 1 inside from the wire entry port 3, then, control cable is at proper length, make two groups of clamping frame be located at the both sides of cable respectively, make different cable be located in different wire clamp groove 6 respectively, make wire fixing rubber pad 5 contact with cable, and pinch two groups of wire clamp 4, make wire clamp 4 carry cable and engage at wire entry port 3, here, wire fixing rubber pad 5 can realize the stable clamping of cable in wire clamp groove 6, thereby avoiding the temperature of the connection stability between terminal body 2 and cable being affected by being mistaken to pull in the use process;
[0047] In the utility model, in order to improve the installation stability of clamping frame at wire entry port 3, cooperate and set up limit rail 7, locking groove 8, connecting column 9 and locking block 10 and other structures, when installing, when wire clamp 4 engages and enters wire entry port 3, locking groove 8 on limit rail 7 just passes through locking block 10 and is set on connecting column 9, then, rotate locking block 10, make locking block 10 and locking groove 8 are set in error between, so that the movement of limit rail 7 can be limited by locking block 10, thereby limiting the movement of wire clamp 4 at wire entry port 3, improve the fixed stability of wire clamp 4 to cable, simultaneously, by the above structure, the locking and fixing and dismounting of limit rail 7 can be realized conveniently and quickly;
[0048] The utility model discloses a wiring terminal body 2 in the operation process is improved cooling heat dissipation effect, sets up the cooperation of semiconductor refrigerating fin 11, heat exchange structure and radiating assembly, like this, when needing to carry out the cooling of wiring terminal body 2 at the inside of box 1, can start semiconductor refrigerating fin 11, through the heat exchange plate 12 can be the low temperature cold energy of semiconductor refrigerating fin 11 cold end fast transmission to the heat exchange fin 13, makes the heat exchange fin 13 cooling, can thus carry out heat exchange with the airflow in the inside of box 1, thereby realizes the cooling of the inside of box 1, and further guarantees the cooling effect of wiring terminal body 2 at place,
[0049] Meanwhile, through the heat dissipation plate 14 can the heat of semiconductor refrigerating fin 11 radiating end fast transmission to the radiating fin 15, and through radiating fin 15 carries out the heat dissipation, guarantees the heat dissipation performance of semiconductor refrigerating fin 11, thereby guarantees the cooling effect in the inside of box 1, the utility model discloses semiconductor refrigerating fin 11 can be used with temperature controller, for controlling the temperature of cooling, this is prior art known technology, the utility model does not repeat the circuit connection structure of it;
[0050] In this process, the cooling fan 17 can be started, and the airflow flow near the radiating fin 15 can be strengthened through the cooling fan 17, so that the heat dissipation effect of the radiating fin 15 and the heat dissipation plate 14 is enhanced, and the use performance of the semiconductor refrigerating fin 11 is improved.
[0051] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods. In this case, the welding is preferred for the fixed connection. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.
[0052] In all the above-mentioned solutions, the electrical element operation is controlled by the controller. Since the controller is matched with common devices, its control principle and circuit connection belong to the existing known and mature technology, and the specific circuit structure is not repeated here.
[0053] In all the above-mentioned solutions, the motor can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are the existing known technology, and the utility model does not repeat it.
[0054] In all the above-mentioned schemes, the solar panel is connected to the battery, and the necessary accessories such as the inverter, the battery charging controller, the cable and the fuse, and the support, etc. are matched. The control principle and the line connection are all the existing known and mature technology, and the specific circuit structure is not described here.
Claims
1. A protective terminal box, comprising a box body (1), wherein a terminal body (2) is disposed inside the box body (1), and the top and bottom of the box body (1) are provided with inlets (3), characterized in that: Two groups of wire clamps (4) are symmetrically arranged at the incoming wire port (3), the inner side of the wire clamps (4) is provided with a wire fixing rubber pad (5), the wire fixing rubber pad (5) and the wire clamps (4) are matched with a wire clamping groove (6), two groups of wire clamps (4) carrying wire fixing rubber pads (5) can be clamped and fixed at the incoming wire port (3) after alignment, the side edge of the wire clamps (4) is provided with a limiting edge (7), the limiting edge (7) is provided with a locking groove (8), the inner wall of the box (1) is matched with a connecting column (9), the connecting column (9) is provided with a locking block (10) through the cooperation of shaft and bearing, the side wall of the box (1) is provided with a semiconductor refrigeration sheet (11), the refrigeration end of the semiconductor refrigeration sheet (11) extends to the inside of the box (1) and is provided with a heat exchange structure, and the heat dissipation end of the semiconductor refrigeration sheet (11) extends to the outside of the box (1) and is provided with a heat dissipation assembly.
2. A shielded terminal block housing according to claim 1, characterized in that: The heat exchange structure comprises a heat exchange plate (12), and the heat exchange plate (12) is arranged on the refrigeration end of the semiconductor refrigeration sheet (11).
3. A shielded terminal block housing according to claim 2, characterized in that: The heat dissipation assembly comprises a heat dissipation plate (14), and the heat dissipation plate (14) is arranged on the heat dissipation end of the semiconductor refrigeration sheet (11).
4. A shielded terminal block housing according to claim 3, characterized in that: The outside of the box (1) is provided with a mounting frame (16), and the mounting frame (16) is provided with a heat dissipation fan (17) facing the heat dissipation fin (15).
5. The shielded terminal block of claim 1, wherein: The outer side of the wire clamp (4) is provided with a sealing gasket (18), and the wire clamp (4) can be sealed and fitted between the inner wall of the incoming wire port (3) through the sealing gasket (18).
6. A shielded terminal block housing according to any one of claims 1-5, characterized in that: The top of the wire fixing rubber pad (5) extends in the direction of the limiting edge (7) and is provided with an anti-abrasion pad (19), and the connection between the anti-abrasion pad (19) and the wire fixing rubber pad (5) is provided with an anti-abrasion edge (20).
7. The shielded terminal block of claim 1, wherein: The inside of the box (1) is provided with a net bag (21), and the net bag (21) is provided with a drying bag (22).
8. The shielded terminal block of claim 1, wherein: The surface of the box (1) is provided with a sealing box door (23), and the sealing box door (23) is provided with a protective lock (24).