CN219086586U - Line loss management device for distribution box - Google Patents

Abstract

The utility model discloses a line loss management device for a distribution box, which relates to the technical field of line loss management, and particularly relates to a line loss management device for a distribution box. Through the cooperation setting of thread bush and current detection case, make this a line loss management device for block terminal possess and do not occupy the block terminal inner space and also do not interfere with the effect that the internal circuit walked the line, through the cooperation setting of detection case lock nut, current detection case and current sense circle, make this a line loss management device for block terminal possess and be convenient for dismouting maintenance also be convenient for change the effect that position detection can reduce cost input.

Description

Line loss management device for distribution box

Technical Field

The utility model relates to the technical field of line loss management, in particular to a line loss management device for a distribution box.

Background

The line loss consists of two parts, namely technical line loss and management line loss, wherein the technical line loss refers to loss generated by power transmission and distribution facilities in the transmission process of electric energy, is really existing loss, can be quantified through theoretical line loss, the management line loss refers to unknown loss of the electric energy in the operation process, is mainly caused by artificial factors such as electricity larceny, meter error, meter reading, statistics and the like, and the line loss rate is the comprehensive reflection of the economic operation management level of a power grid and the economic benefit of a power supply enterprise, is an important economic and technical index of the power supply enterprise, and can effectively improve legal rights of both power supply and consumption parties only by strengthening the line loss management of a power consumption acquisition system, promotes sustainable development of the power enterprise and realizes the maximization of the economic benefit of the power enterprise.

The management of technical line loss is to improve infrastructure such as optimizing lines and reasonably distributing power, and the management of line loss is to strictly check electricity larceny, check and replace damaged electricity meters, and the check about electricity larceny can be carried out from a power distribution cabinet end to a power distribution cabinet end of a starting point user end to serve as an end point, and whether the condition of electricity larceny exists between the two ends can be judged by comparing the current of the starting point and the current of the end point circuit, so that a line loss management device is needed to measure the current of related circuits in the power distribution cabinet in the process.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a line loss management device for a distribution box, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a line loss management device for block terminal, includes transfer switch board box, the inner wall fixed mounting of transfer switch board box has bus breaker and separated time breaker, and separated time breaker's below is connected with three-phase line, and the detection wire hole has been seted up to the rear that the transfer switch board box is close to three-phase line, has the screw thread cover by the forward backward grafting in the detection wire hole, and the external screw thread department threaded connection of the screw thread cover at transfer switch board box back has cabinet body lock nut and detection case lock nut, fixedly connected with electric current detection case between cabinet body lock nut and the detection case lock nut, and the surface of three-phase line has cup jointed the electric current and has felt the circle.

Preferably, the number of the bus breakers is only one, the number of the branch breakers is a plurality of, and the bus breakers are communicated with all the branch breakers through cables.

Preferably, the thread bush comprises an external thread pipe and an end flange, wherein the external diameter of the external thread pipe is smaller than the internal diameter of the detection wire passing hole, and the external diameter of the end flange is far larger than the internal diameter of the detection wire passing hole.

Preferably, three wires of the three-phase circuit are respectively sheathed with a current sensing ring, the current sensing rings are open-type, and signal wires of the current sensing rings penetrate through a middle hole of the threaded sleeve and enter the current detection box.

Preferably, the threaded sleeve penetrates through a through hole formed in the upper portion of the current detection box, core elements in the current detection box are all installed below, and a display screen is arranged on a front door of the current detection box.

Preferably, when the cabinet body lock nut is connected with the thread sleeve, strong thread glue can be added between threads or after the threads are locked, the cabinet body lock nut is fixed with the box body of the transfer power distribution cabinet in a spot welding mode, the detection box lock nut and the thread sleeve are slightly screwed by a spanner, and a cap is connected with the rear end thread of the thread sleeve without the current detection box.

(III) beneficial effects

The utility model provides a line loss management device for a distribution box, which has the following beneficial effects:

1. this a line loss management device for block terminal sets up through the cooperation of thread bush and current detection case, makes this a line loss management device for block terminal possess and do not occupy the block terminal inner space and also do not interfere the effect that the internal circuit walked the line, draws forth the signal line of current sense circle from transferring the block terminal box through the thread bush outwards and then do not interfere with the internal circuit and walk the line, and the current detection case is installed in transfer block terminal box outside simultaneously and can not occupation space.

2. This a line loss management device for block terminal sets up through the cooperation of detecting box lock nut, current detection case and current sense circle, makes this a line loss management device for block terminal possess the dismouting of being convenient for maintain also be convenient for change the effect that position detection can reduce cost input, because the current detection case is installed in the outside of transit block terminal box and then is not having the danger of being electrocuted when maintaining the current detection case, open the qianmen of current detection case just can break off current sense circle and current detection case internal connection's signal line, then lift detection case lock nut can take off the current detection case and change position installation very convenient.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of a perspective view of the current detection box according to the present utility model;

FIG. 3 is a schematic view of a structure of a partial cross-sectional view of the present utility model after installation of a current detection box;

FIG. 4 is a schematic structural view showing a perspective view of the current detecting box of the present utility model when not installed

Fig. 5 is a schematic view of a partial cross-sectional view of the present utility model without the current detection box.

In the figure: 1. a transit power distribution cabinet body; 101. detecting a wire passing hole; 2. a bus breaker; 3. a branch circuit breaker; 4. a three-phase line; 5. a thread sleeve; 6. a cabinet lock nut; 7. detecting a box lock nut; 8. a current detection box; 9. a current sense loop; 10. and (3) capping.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a line loss management device for block terminal, including transfer switch board box 1, transfer switch board box 1's inner wall fixed mounting has bus breaker 2 and separated time breaker 3, the quantity of bus breaker 2 is only one, the quantity of separated time breaker 3 is a plurality of, bus breaker 2 and all separated time breakers 3 pass through the cable intercommunication, the below of separated time breaker 3 is connected with three-phase line 4, transfer switch board box 1 has offered the detection behind being close to three-phase line 4 and has gone up wire hole 101, the detection is gone up in wire hole 101 and has been pegged graft screw thread bush 5 from the front to the back, screw thread bush 5 includes external screw thread pipe and tip flange, the external diameter size of external screw thread pipe is less than the internal diameter size of detection wire hole 101, the external diameter size of tip flange is greater than the internal diameter size of detection wire hole 101, the external screw thread department threaded connection of screw thread bush 5 at transfer switch board box 1 back has cabinet lock nut 6 and detection box lock nut 7, a current detection box 8 is fixedly connected between the cabinet body lock nut 6 and the detection box lock nut 7, a thread sleeve 5 passes through a through hole formed above the current detection box 8, core elements in the current detection box 8 are all installed below, a display screen is arranged on the front door of the current detection box 8, a current sense ring 9 is sleeved on the outer surface of a three-phase circuit 4, a current sense ring 9 is sleeved on three wires of the three-phase circuit 4, the current sense ring 9 is an opening type, a signal wire of the current sense ring 9 passes through a middle hole of the thread sleeve 5 to enter the current detection box 8, when the cabinet body lock nut 6 is connected with the thread sleeve 5, strong thread glue can be added between threads or after the threads are locked, the cabinet body lock nut 6 and the transit distribution cabinet body 1 are fixed by spot welding, the detection box lock nut 7 and the thread sleeve 5 are slightly screwed up by a spanner, a cap 10 is screwed to the rear end of the screw cap 5 to which the current detection case 8 is not attached.

When in use, firstly, the bus breaker 2 and the branch breaker 3 are installed in the transit power distribution cabinet body 1 according to actual demands, a space larger than the outer diameter of the thread sleeve 5 is required to be reserved between the upper branch breaker 3 and the lower branch breaker 3, then, the detection wire passing hole 101 is formed at the position, close to the lower part of the branch breaker 3, of the rear part of the transit power distribution cabinet body 1 by using the hole digger, then, the thread sleeve 5 is inserted back from the inside of the transit power distribution cabinet body 1, then, the thread sleeve 5 and the transit power distribution cabinet body 1 are locked by using the cabinet body locking nut 6, the thread sleeve 5 and the transit power distribution cabinet body 1 can be fixed by using a spot welding mode by adding a thread adhesive when the cabinet body locking nut 6 is installed because the later thread sleeve 5 can not be detached any more, then, the rear ends of all the thread sleeves 5 are covered by using the cap 10 firstly, when the three-phase circuit breaker 3 starts to connect the three-phase circuit 4, the outer surface of each three-phase line 4 is sleeved with a current sensing ring 9, the signal wire of the current sensing ring 9 is plugged into the threaded sleeve 5 in advance, if the total input electricity quantity of the box body 1 of the transfer power distribution cabinet is far greater than the sum of all the electricity meter counts at the tail end in the use process and the electricity meter has no fault problem, the situation that the transfer power distribution cabinet possibly is privately wired and stolen electricity is indicated between the transfer power distribution cabinet and the tail end power distribution cabinet is explained, then the cap 10 at the rear of the threaded sleeve 5 is unscrewed and the current detection box 8 is installed, in the process, the current detection box 8 and the threaded sleeve 5 can be fixed through only one detection box locking nut 7, the signal wire of the current sensing ring 9 and a circuit below the current detection box 8 are connected, the installation is very convenient, otherwise, the signal wire of the current sensing ring 9 is disconnected and the detection box locking nut 7 is unscrewed in the disassembly process, the current detection boxes 8 are also arranged on the tail end electric control cabinets, except that the tail end electric control cabinets are monitored to input current, the transfer power distribution cabinet monitors the output current of each branch circuit breaker 3, and if the current data difference between the two current detection boxes 8 is found to be large, the whole-course detection can be carried out on the cable in the section to see whether the cable is stolen or not.

To sum up, this a line loss management device for block terminal sets up through the cooperation of thread bush 5 and current detection case 8, makes this a line loss management device for block terminal possess and does not occupy the block terminal inner space and also do not interfere the effect that the internal circuit walked the line, through the cooperation setting of detection case lock nut 7, current detection case 8 and current sense circle 9, makes this a line loss management device for block terminal possess and be convenient for dismouting maintenance and also be convenient for change the position detection effect that can reduce cost input.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. Line loss management device for distribution box, including transfer switch board box (1), its characterized in that: the automatic detection device is characterized in that a bus breaker (2) and a branch breaker (3) are fixedly arranged on the inner wall of the transit power distribution cabinet body (1), a three-phase circuit (4) is connected to the lower portion of the branch breaker (3), a detection wire passing hole (101) is formed in the rear portion, close to the three-phase circuit (4), of the transit power distribution cabinet body (1), a threaded sleeve (5) is inserted in the detection wire passing hole (101) from front to back, a cabinet body locking nut (6) and a detection box locking nut (7) are connected to the external thread of the threaded sleeve (5) on the back of the transit power distribution cabinet body (1) in a threaded mode, a current detection box (8) is fixedly connected between the cabinet body locking nut (6) and the detection box locking nut (7), and a current sensing ring (9) is sleeved on the outer surface of the three-phase circuit (4).

2. The line loss management device for an electrical distribution box according to claim 1, wherein: the number of the bus breakers (2) is only one, the number of the branch breakers (3) is a plurality, and the bus breakers (2) are communicated with all the branch breakers (3) through cables.

3. The line loss management device for an electrical distribution box according to claim 1, wherein: the thread sleeve (5) comprises an external thread pipe and an end flange, the external diameter of the external thread pipe is smaller than the internal diameter of the detection wire passing hole (101), and the external diameter of the end flange is far larger than the internal diameter of the detection wire passing hole (101).

4. The line loss management device for an electrical distribution box according to claim 1, wherein: three wires of the three-phase circuit (4) are respectively sleeved with a current sensing ring (9), the current sensing rings (9) are open, and signal wires of the current sensing rings (9) penetrate through middle holes of the threaded sleeves (5) to enter the current detection box (8).

5. The line loss management device for an electrical distribution box according to claim 1, wherein: the threaded sleeve (5) penetrates through a through hole formed in the upper portion of the current detection box (8), core elements in the current detection box (8) are all installed below, and a display screen is arranged on a front door of the current detection box (8).

6. The line loss management device for an electrical distribution box according to claim 1, wherein: when the cabinet body lock nut (6) is connected with the thread bush (5), strong thread glue can be added between threads or after the cabinet body lock nut (6) is locked, the cabinet body lock nut and the transit power distribution cabinet body (1) are fixed by spot welding, the detection box lock nut (7) and the thread bush (5) are slightly screwed by a spanner, and a cap (10) is connected with the rear end thread of the thread bush (5) without the current detection box (8).

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