Elbow type cable accessory for ring main unit

Abstract

The invention provides an elbow-type cable accessory for a ring main unit, and relates to the technical field of cable accessories for ring main units. The accessory comprises an accessory body, a live display sensing assembly, a cable assembly and a conductive assembly, the live display sensing assembly is connected to the accessory body and electrically connected with a live display, a first connecting part and a second connecting part are arranged at the two ends of the accessory body respectively, the connecting end of the cable assembly is connected with the first connecting part, and the connecting end of the cable assembly is connected with the conductive assembly. The conductive component is connected with the end part of the cable component and is positioned at the second connecting part; and a connecting sleeve of the voltage transformer is connected with the conductive component and the second connecting part. The elbow-shaped cable accessory can be reliably connected with the connecting sleeve of the voltage transformer and the electrified display, and can be matched with the electrified display and the voltage transformer for use, so that the electrified display can acquire induced voltage from a voltage transformer cabinet by means of the elbow-shaped cable accessory; therefore, the voltage transformer cabinet has an independent live display function and is safe and reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of cable accessories for ring main units, and particularly to an elbow cable accessory for a ring main unit. Background Art

[0002] At present, the live display in the voltage transformer cabinet needs to collect the induced voltage from the cable connection bushing of the incoming line cabinet and cannot directly collect the induced voltage inside the cabinet itself. At the same time, when there is reverse power transmission of the voltage transformer or other abnormal conditions, if the other end of the cable connecting the voltage transformer is not connected to the incoming line cabinet bushing or the connecting cable is broken, etc., the live display will not be able to display normally, which will cause the cabinet door of the voltage transformer cabinet to be opened, posing a safety hazard. Summary of the Invention

[0003] The purpose of the present invention is to provide an elbow cable accessory for a ring main unit to solve the technical problems existing in the prior art. The many technical effects that can be produced by the preferred technical solutions provided by the present invention will be described in detail below.

[0004] To achieve the above purpose, the present invention provides the following technical solutions:

[0005] An elbow cable accessory for a ring main unit, comprising an accessory body, a live display sensing component, a cable component and a conductive component. The live display sensing component is connected to the accessory body, and the live display sensing component is electrically connected to a live display. The two ends of the accessory body are respectively provided with a first connection part and a second connection part. The connection end of the cable component is connected to the first connection part, the conductive component is connected to the end of the cable component and is located at the second connection part, and the connection bushing of the voltage transformer is connected to the conductive component and the second connection part.

[0006] Preferably, the first connection part is a cable installation cavity, which is opened inside the accessory body, and the cable installation cavity is matched with the connection end of the cable component.

[0007] Preferably, the second connection part is a connection bushing installation cavity, which is opened inside the accessory body, and the connection bushing installation cavity is matched with the connection bushing.

[0008] Preferably, a threaded installation hole is provided on the outer side surface of the live display sensing component. The live display includes a display body and a connection wire that are electrically connected. One end of the connection wire away from the display body is connected to the threaded installation hole through a fastening bolt and is electrically connected to the live display sensing component.

[0009] Preferably, a crimp terminal is provided at the connection end of the cable assembly, and the crimp terminal is connected to the conductive assembly.

[0010] Preferably, the conductive assembly is a conductive rod.

[0011] Preferably, the conductive assembly is a fuse.

[0012] Preferably, an insulating protection cap is further included. The insulating protection cap is connected to the accessory body and covers the outside of the live display sensing assembly.

[0013] Preferably, a first clamping portion is provided on the accessory body, a second clamping portion is provided on the insulating protection cap, and the first clamping portion is clamped and connected to the second clamping portion.

[0014] Preferably, the accessory body is made of silicone rubber or ethylene propylene diene monomer rubber.

[0015] The beneficial effects of the present invention are as follows: The elbow cable accessory can very conveniently form reliable connections with the connection bushing of the voltage transformer and the live display respectively, and can be used in combination with the live display and the voltage transformer, enabling the live display to collect the induced voltage from inside the voltage transformer cabinet by means of the elbow cable accessory. The live display can be installed outside the voltage transformer cabinet and connected to the elbow cable accessory through a wire, so that the voltage transformer cabinet has an independent live display function and there is no need to collect the induced voltage from the connection bushing of the ring main unit. The installation is simple, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a cross-sectional structure diagram of the present invention;

[0018] Figure 2 It is a connection structure diagram of the elbow cable accessory for the ring main unit of the present invention with the live display and the voltage transformer;

[0019] In the figure, 1 is the accessory body; 11 is the first connection portion; 12 is the second connection portion; 13 is the first clamping portion;

[0020] 2 is the live display sensing assembly; 21 is the threaded mounting hole;

[0021] 3 is the cable assembly;

[0022] 4. Conductive component;

[0023] 5. Insulating protection cap; 51. Second clamping portion;

[0024] 6. Live display; 61. Display body; 62. Connecting wire;

[0025] 7. Voltage transformer. Detailed implementation manner

[0026] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope protected by the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate the orientation or positional relationship based on the Figure 1 orientation or positional relationship shown, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention.

[0028] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Refer to Figures 1 to 2 , the present invention provides an elbow cable accessory for a ring main unit, including an accessory body 1, a live display sensing component 2, a cable component 3, and a conductive component 4;

[0030] The live display sensing component 2 is connected to the accessory body 1, and preferably located in the middle and rear part of the accessory body 1, and is preferably connected in an embedded manner.

[0031] The live display sensing component 2 is electrically connected to the live display 6, and preferably connected by a wire therebetween. Since the wire can be selected to pass through the voltage transformer cabinet, the live display 6 can be installed outside the voltage transformer cabinet.

[0032] At both ends of the elbow cable accessory body 1, a first connection part 11 and a second connection part 12 are respectively arranged. The connection end of the cable assembly 3 is connected to the first connection part 11. The conductive component 4 is connected to the end of the cable assembly 3 and is located at the second connection part 12. A circuit is conducted between the conductive component 4 and the cable assembly 3. The connection bushing of the voltage transformer 7 is connected to the conductive component 4 and the second connection part 12, and a circuit is conducted between the voltage transformer 7 and the conductive component 4.

[0033] The elbow cable accessory can very conveniently form reliable connections with the connection bushing of the voltage transformer 7 and the live-line display 6 respectively, and can be used in supporting with the live-line display 6 and the voltage transformer 7, enabling the live-line display 6 to collect the induced voltage from inside the voltage transformer cabinet by means of the elbow cable accessory. The live-line display 6 can be installed on the outer side of the voltage transformer cabinet and is connected to the elbow cable accessory through a wire, endowing the voltage transformer cabinet with an independent live-line display function, eliminating the need to collect the induced voltage from the connection bushing of the ring main unit cabinet. It is simple to install, safe and reliable.

[0034] As an optional implementation manner, the first connection part 11 is a cable installation cavity. The cable installation cavity is opened inside the accessory body 1, and the cable installation cavity matches the connection end of the cable assembly 3, so as to meet the installation requirements of the connection end of the cable assembly 3 in terms of size.

[0035] As an optional implementation manner, the second connection part 12 is a bushing installation cavity. The bushing installation cavity is opened inside the accessory body 1, and the bushing installation cavity matches the connection bushing, so as to meet the installation requirements of the connection bushing of the voltage transformer 7 in terms of size and better cooperate with the voltage transformer 7.

[0036] As an optional implementation manner, a threaded installation hole 21 is arranged on the outer end side surface of the live-line display sensing component 2. The live-line display 6 includes a display body 61 and a connection wire 62. One end of the connection wire 62 is electrically connected to the display body 61. The end of the connection wire 62 far from the display body 61 is connected to the threaded installation hole 21 through a fastening bolt and is electrically connected to the live-line display sensing component 2, so as to form a supporting electrical connection between the live-line display sensing component 2 and the display body 61 and realize the live-line display function.

[0037] As an optional implementation manner, a crimp terminal is arranged at the connection end of the cable assembly 3, and the crimp terminal is connected to the conductive component 4.

[0038] As an optional implementation manner, there are relatively rich choices for the conductive component 4. In this embodiment, the conductive component 4 can be a conductive rod, and the conductive component 4 can also be a fuse, which can be flexibly selected according to actual usage requirements.

[0039] As an optional implementation manner, it further includes an insulating protection cap 5. After the connecting wire 62 is connected to the live display sensing component 2, the insulating protection cap 5 is connected to the accessory body 1 and covers the outside of the live display sensing component 2. The insulating protection cap 5 can protect the live display sensing component 2 and meet the reliability requirements of insulation.

[0040] As an optional implementation manner, a first clamping portion 13 is provided on the accessory body 1, and a second clamping portion 51 is provided on the insulating protection cap 5. The first clamping portion 13 is clamped and connected to the second clamping portion 51.

[0041] As an optional implementation manner, the accessory body 1 is made of silicone rubber or ethylene propylene diene monomer rubber. The above materials have more stable properties, so that the service life of the elbow cable accessory for the ring main unit can be extended. At the same time, it has excellent insulation performance and can ensure the stable operation of the equipment.

[0042] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. An elbow cable accessory for a ring main unit, characterized in that It includes an accessory body (1), a live display sensing component (2), a cable component (3) and a conductive component (4). The live display sensing component (2) is connected to the accessory body (1), and the live display sensing component (2) is electrically connected to a live display (6). First connection parts (11) and second connection parts (12) are respectively arranged at two ends of the accessory body (1). The connection end of the cable component (3) is connected to the first connection part (11), the conductive component (4) is connected to the end of the cable component (3) and is located at the second connection part (12), and a connection bushing of a voltage transformer (7) is connected to the conductive component (4) and the second connection part (12).

2. The elbow cable accessory for the ring main unit according to claim 1, characterized in that, The first connection part (11) is a cable installation cavity, the cable installation cavity is opened inside the accessory body (1), and the cable installation cavity is matched with the connection end of the cable component (3).

3. The elbow cable accessory for ring main unit according to claim 1, characterized in that, The second connection part (12) is a connection bushing installation cavity, the connection bushing installation cavity is opened inside the accessory body (1), and the connection bushing installation cavity is matched with the connection bushing.

4. The elbow cable accessory for ring main unit according to claim 1, wherein, A threaded installation hole (21) is arranged on the outer side surface of the live display sensing component (2). The live display (6) includes a display body (61) and a connection wire (62) which are electrically connected. One end of the connection wire (62) far away from the display body (61) is connected to the threaded installation hole (21) through a fastening bolt and is electrically connected to the live display sensing component (2).

5. The elbow cable accessory for the ring main unit according to claim 1, characterized in that, A crimp terminal is arranged at the connection end of the cable component (3), and the crimp terminal is connected to the conductive component (4).

6. The elbow cable accessory for the ring main unit according to claim 1, characterized in that, The conductive component (4) is a conductive rod.

7. The elbow cable accessory for a ring main unit according to claim 1, characterized in that The conductive component (4) is a fuse.

8. The elbow cable accessory for ring main unit according to claim 1, characterized in that, It further includes an insulating protection cap (5), the insulating protection cap (5) is connected to the accessory body (1) and covers the outside of the live display sensing component (2).

9. The elbow cable accessory for ring main unit according to claim 8, wherein A first clamping part (13) is arranged on the accessory body (1), a second clamping part (51) is arranged on the insulating protection cap (5), and the first clamping part (13) is clamped and connected to the second clamping part (51).

10. The elbow cable accessory for ring main unit according to claim 1, characterized in that, The accessory body (1) is made of silicone rubber or ethylene propylene diene monomer rubber.

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