A cable intermediate joint box

Abstract

The utility model belongs to the technical field of cable junction boxes, specifically a cable intermediate head junction box, comprising a shell, an inspection door, a terminal and a microphone array sensor, the inspection door is hinged on the shell, and is symmetrically arranged on both sides of the shell in the length direction, a casing plate is arranged inside the shell, the terminal is connected to the casing plate, the terminal is symmetrically arranged on both sides of the casing plate, a circuit breaker is rotatably connected between the two casing plates, the circuit breaker is a metal wire in the length direction of the terminal, and is wrapped with an insulating sleeve on the outside, two connecting rods are fixedly connected to the circuit breaker, the other end of the two connecting rods is connected to a cross bar, the end of the terminal is connected to a wiring buckle, and the wiring buckle is threadedly connected with an insulating nut; compared with the prior art, the utility model can simplify the wiring operation, and at the same time can monitor the internal leakage situation in real time, after the leakage occurs, the controller controls the circuit breaker to close, thereby improving the convenience of wiring and the safety of the junction box.

Description

Technical Field

[0001] The utility model relates to the technical field of cable joint boxes, in particular to a cable intermediate joint box. Background Art

[0002] The cable intermediate joint box is a device used to connect the intermediate joints of two cable sections during the cable laying process. It provides a relatively sealed and safe environment to place the cable intermediate joints. This helps to protect the joints from external environmental factors (such as moisture, dust, mechanical damage, etc.), ensuring the normal operation and service life of the joints. Secondly, it can fix and support the cable intermediate joints, prevent the joints from shaking or shifting during operation, and ensure the stability of the connection. Furthermore, some cable intermediate joint boxes also have certain insulation and shielding functions, which help maintain the electrical performance of the cable system and reduce electromagnetic interference and other problems.

[0003] The materials of the cable intermediate joint box are usually metal and non-metal, and the design will take into account the heat dissipation, moisture resistance, fire resistance and other properties. Its size will be adapted according to the specifications and quantity of the cables to meet different installation requirements.

[0004] The existing cable intermediate head junction box wiring operation is generally performed by connecting a copper nose to the cable head and then connecting it to the terminal, which is relatively cumbersome. Therefore, it is necessary to invent a cable intermediate head junction box that is easy to connect and can detect internal leakage. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model develops a cable intermediate head junction box, which can simplify wiring operations and monitor internal leakage conditions in real time. When leakage occurs, a controller controls the circuit breaker to close, thereby improving the convenience of wiring and the safety of the junction box.

[0006] The technical solution to the technical problem solved by the utility model is: a cable intermediate head junction box, comprising a shell, an inspection door, a terminal and a microphone array sensor, the inspection door being hinged on the shell, the inspection door being symmetrically arranged on both sides of the length direction of the shell, a sleeve plate being arranged inside the shell, the terminal connected to the sleeve plate, the terminal wrapped with an insulating layer, the terminal symmetrically arranged on both sides of the sleeve plate, a circuit breaker being rotatably connected between the two sleeve plates, the circuit breaker being cylindrical, the circuit breaker being a metal wire in the length direction of the terminal, the outside of which is wrapped with an insulating sleeve, two connecting rods being fixedly connected to the circuit breaker, the other ends of the two connecting rods being connected to a cross bar, the end of the terminal being connected with a wiring buckle, the wiring buckle being a cylindrical structure with a hollow interior, a thread being arranged on the exterior and an opening on the side wall, and an insulating nut being threadedly connected to the wiring buckle.

[0007] Preferably, a waterproof groove is provided at the hinge between the inspection door and the shell.

[0008] Preferably, the inspection door is connected to the housing via a hydraulic support rod, and a lock box is also provided on the inspection door.

[0009] Preferably, the cross bar is connected to the output end of the electric cylinder, the electric cylinder is rotatably connected to a support, and the support is connected to the sleeve plate.

[0010] Preferably, microphone array sensors are arranged in arrays on both sides of the sleeve plate.

[0011] Preferably, a display is connected to the housing, and a baffle is connected to the upper portion of the display.

[0012] Preferably, a crossbeam is provided at the bottom of the shell, and clamps are provided in a linear array on the crossbeam.

[0013] Preferably, grounding channel steels are arranged around the bottom of the shell.

[0014] Preferably, the terminals are arranged in a linear array on the bushing plate.

[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0016] 1. By setting the wiring buckle with the insulating nut, you only need to insert the cable head into the wiring buckle and then tighten the insulating bolt to complete the wiring operation;

[0017] 2. By setting up a microphone array sensor, it is possible to determine whether there is leakage in the cables inside the junction box through sound signals and transmit the data to the controller. If the controller receives a leakage signal, it will control the starter cylinder to drive the two connecting rods to pull down the circuit breaker switch to cut off the power inside the junction box, thereby improving the safety during use. The display set on the shell can also observe the internal power safety situation in real time;

[0018] 3. By setting up beams and clamps, the internal cables can be arranged neatly, which is convenient for later maintenance;

[0019] 4. By setting a waterproof groove between the shell and the inspection door, water leakage from the top of the shell can be prevented on rainy days, thus improving the safety of use;

[0020] 5. Through the specially designed circuit breaker, the connection and disconnection of the two-end terminal posts are realized by rotation, which has a simple structure and is more reliable;

[0021] 6. By setting a circle of grounding channel steel at the bottom of the shell, it not only plays a grounding role, but also raises the shell, which can prevent surface water from flowing back into the shell during rainy days, ensuring safety in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the front view of the utility model;

[0023] Figure 2 for Figure 1 Sectional view in the AA direction;

[0024] Figure 3 for Figure 1 Cross-sectional view in the BB direction;

[0025] Figure 4 It is a right side view of the utility model;

[0026] Figure 5 for Figure 4 Sectional view in the AA direction;

[0027] Figure 6 It is the overall structural diagram of the utility model;

[0028] Figure 7 It is a rear view of the utility model;

[0029] Figure 8 It is a longitudinal section view of the terminal and circuit breaker in the connected state.

[0030] Among them: 1. Shell; 101. Waterproof groove; 2. Inspection door; 21. Hydraulic support rod; 22. Lock box; 3. Casing plate; 4. Terminal; 41. Insulation layer; 5. Wiring clip; 51. Insulation nut; 6. Circuit breaker; 61. Two-link rod; 62. Cross bar; 63. Electric cylinder; 64. Metal wire; 65. Insulation sleeve; 7. Microphone array sensor; 71. Display; 711. Baffle; 8. Cross beam; 81. Hoop; 9. Grounding channel steel. DETAILED DESCRIPTION

[0031] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0032] Example 1

[0033] See also Figures 1 to 8A cable intermediate connector box comprises a shell 1, an inspection door 2, a terminal 4 and a microphone array sensor 7, wherein the inspection door 2 is hinged on the shell 1, and the inspection door 2 is symmetrically arranged on both sides of the length direction of the shell 1, a sleeve plate 3 is arranged inside the shell 1, the terminal 4 is connected to the sleeve plate 3, and the terminal 4 is wrapped with an insulating layer 41, and the terminal 4 is symmetrically arranged on both sides of the sleeve plate 3, and a circuit breaker 6 is rotatably connected between the two sleeve plates 3, and the circuit breaker 6 is cylindrical, and the circuit breaker 6 is a metal wire 64 in the length direction of the terminal 4, and is wrapped with an insulating sleeve 65 on the outside, and two connecting rods 61 are fixedly connected to the circuit breaker 6, and the other end of the two connecting rods 61 is connected to the cross bar 62, and the end of the terminal 4 is connected with a wiring buckle 5, and the wiring buckle 5 is a cylindrical structure with a hollow interior, a threaded exterior and an opening on the side wall, and an insulating nut 51 is threadedly connected to the wiring buckle 5.

[0034] like Figure 5 and Figure 6 As shown, a waterproof groove 101 is provided at the hinge between the inspection door 2 and the housing 1 .

[0035] like Figure 4 and Figure 5 As shown, the inspection door 2 is connected to the housing 1 via a hydraulic support rod 21 , and a lock box 22 is also provided on the inspection door 2 .

[0036] like Figure 2 As shown, the cross bar 62 is connected to the output end of the electric cylinder 63 , the electric cylinder 63 is rotatably connected to a support, and the support is connected to the sleeve plate 3 .

[0037] like Figure 2 As shown, microphone array sensors 7 are arranged in arrays on both sides of the sleeve plate 3 .

[0038] like Figure 4 and Figure 7 As shown, a display 71 is also connected to the housing 1 , and a baffle 711 is connected to the upper portion of the display 71 .

[0039] like Figure 3 and Figure 5 As shown, a crossbeam 8 is provided at the bottom of the shell 1, and clamps 81 are provided in a linear array on the crossbeam 8.

[0040] like Figure 1 and Figure 5 As shown, grounding channel steels 9 are arranged around the bottom of the shell 1 .

[0041] like Figure 2 As shown, the terminals 4 are arranged in a linear array on the bushing plate 3 .

[0042] Principle and operation process

[0043] The utility model adopts a controller to connect the internal microphone array sensor 7 with the display 71. The data received by the microphone array sensor 7 will be transmitted to the controller and then displayed on the display 71, so as to achieve the purpose of visually observing whether there is leakage inside. When in use, open the lock box 22 and open the inspection doors 2 on both sides. Since the inspection doors 2 are connected with hydraulic support rods 21, they can be easily operated without other supports. The cable is passed through the hole in the bottom plate and then through the clamp 81. The cable head is then peeled and inserted into the wiring buckle 5 to connect with the internal terminal 4. The wiring buckle 5 is a detachable structure. The appropriate wiring buckle 5 can be replaced according to cables of different diameters. After the cable is inserted, since there is an opening on the side wall of the wiring buckle 5, the wiring buckle 5 will be opened as a whole after the cable is inserted. At this time, the insulating nut 51 is rotated to move it downward, and the wiring operation can be completed by tightening it.

[0044] A circuit breaker 6 is rotatably connected in the middle of the terminals 4 on both sides. The circuit breaker 6 is cylindrical, and a metal wire 64 is provided along the length direction of the terminals 4, and an insulating sleeve 65 is wrapped on the outside. When the circuit breaker 6 needs to be opened, the metal wire 64 is rotated to the length direction of the terminals 4 to turn on the power. When maintenance or other power outages are required, the electric cylinder 63 retracts, driving the cross bar 62 to move downward, and the cross bar 62 pulls the second connecting rod 61. Since the second connecting rod 61 is fixedly connected to one end of the circuit breaker 6, the circuit breaker 6 can be driven to rotate by rotating the second connecting rod 61 so that the middle of the two terminals 4 contacts the insulating sleeve 65 to complete the circuit breaking operation; a waterproof groove 101 is provided at the connection between the shell 1 and the inspection door 2, which can effectively prevent water leakage on rainy days.

[0045] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A cable intermediate joint box, characterized in that: The device comprises a housing (1), an inspection door (2), a terminal (4) and a microphone array sensor (7), wherein the inspection door (2) is hinged on the housing (1), the inspection door (2) is symmetrically arranged on both sides of the housing (1) in the length direction, a casing plate (3) is arranged inside the housing (1), the terminal (4) is connected to the casing plate (3), the terminal (4) is wrapped with an insulating layer (41), the terminal (4) is symmetrically arranged on both sides of the casing plate (3), and a circuit breaker (6) is rotatably connected between the two casing plates (3). The circuit breaker (6) is cylindrical. The circuit breaker (6) is a metal wire (64) in the length direction of the terminal (4), and is wrapped with an insulating sleeve (65) on the outside. Two connecting rods (61) are fixedly connected to the circuit breaker (6), and the other ends of the two connecting rods (61) are connected to the cross bar (62). The end of the terminal (4) is connected to a wiring buckle (5). The wiring buckle (5) is a cylindrical structure with a hollow interior, a threaded exterior, and an opening on the side wall. The wiring buckle (5) is threadedly connected to an insulating nut (51).

2. A cable intermediate joint box according to claim 1, characterized in that: A waterproof groove (101) is provided at the hinged portion between the inspection door (2) and the housing (1).

3. A cable intermediate joint box according to claim 1, characterized in that: The inspection door (2) is connected to the housing (1) via a hydraulic support rod (21), and a lock box (22) is also provided on the inspection door (2).

4. A cable intermediate joint box according to claim 1, characterized in that: The cross bar (62) is connected to the output end of the electric cylinder (63), the electric cylinder (63) is rotatably connected to a support, and the support is connected to the sleeve plate (3).

5. The cable intermediate joint box according to claim 1, characterized in that: Microphone array sensors (7) are arranged in arrays on both sides of the sleeve plate (3).

6. The cable intermediate joint box according to claim 1, characterized in that: The housing (1) is also connected to a display (71), and the upper part of the display (71) is connected to a baffle (711).

7. The cable intermediate joint box according to claim 1, characterized in that: A crossbeam (8) is provided at the inner bottom of the shell (1), and clamps (81) are provided in a linear array on the crossbeam (8).

8. The cable intermediate joint box according to claim 1, characterized in that: Grounding channel steels (9) are arranged around the bottom of the shell (1).

9. The cable intermediate joint box according to claim 1, characterized in that: The terminal posts (4) are arranged in a linear array on the bushing plate (3).

Images