CN210835090U

CN210835090U - Open-type line loss detection device

Info

Publication number: CN210835090U
Application number: CN201921321721.7U
Authority: CN
Inventors: 徐博; 赵兴华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-06-23
Anticipated expiration: 2029-08-15

Abstract

The utility model belongs to the technical field of open-type line loss detection device, concretely relates to open-type line loss detection device, including electric energy meter, the electric energy meter bottom is provided with a plurality of interfaces, and it has the bayonet joint to peg graft in the interface, and the bayonet joint is connected with open-type current sensor, open-type voltage sampler through soft stranded conductor, and open-type current sensor and open-type voltage sampler are formed through the bolt fastening by two semi-rings, and the both ends of semi-ring all are provided with the book ear, and the book ear is used for construction bolt. The technical scheme of the utility model is that the bottom of the electric energy meter is provided with the interface, the interface is provided with the sealing plug, and the unused interface is sealed by the sealing head, so that the electric energy meter can be dustproof and waterproof, and the safe operation of the electric energy meter is ensured; open-type current sensor and open-type voltage sampler all adopt two PVC semi-rings to splice fixedly and form, inlay the conducting layer in the main semi-ring of connecting soft stranded conductor, the conducting layer can enough play electrically conductive effect together with soft stranded conductor and electrically conductive thorn, also has fine insulating properties, improves the security that the device used.

Description

Open-type line loss detection device

Technical Field

The utility model belongs to the technical field of open-type line loss detection device, particularly, relate to an open-type line loss detection device.

Background

Along with the development of economy, the dependence of each field on electric power energy is continuously improved, the problem of line loss of a power transmission line is more and more serious, electricity stealing is the main reason causing the line loss, a 10KV power distribution network in a power system in China is the link with the largest electricity selling proportion at present, the solution of the line loss problem is beneficial to improving the economic benefit of a power supply system and the operation safety of a power grid, and the main three technical means are adopted for the problem of line loss caused by electricity stealing at present: the first method is a method for adding a novel box cover, locking and lead sealing to an electric meter, and the method only adds a protection means and cannot realize monitoring of electricity stealing behaviors; the second one is to adopt the electricity stealing prevention electric energy meter and the electricity stealing prevention metering box, and can prevent electricity stealing by under-voltage method, under-current method and phase-shifting method through the function expansion in the electric energy meter, and the current electric energy meter integrates the fault judging function of under-voltage, under-current, phase-failure, phase-shifting, etc. the electricity stealing prevention electric energy meter and the electricity stealing prevention metering box can prevent electricity stealing behavior, but can not stop the behavior that the user bypasses the electricity stealing prevention electric energy meter and the metering box to steal electricity from the front end of the distribution circuit and even the high-voltage side; and the third method is to adopt a system monitoring method to prevent electricity stealing, obtain electricity consumption data in real time through an electricity quantity collector of an electricity consumption load terminal, and remotely transmit the electricity consumption data to a control center in a radio communication mode. However, the terminal equipment adopted by the current system is a traditional high-voltage metering box and a low-voltage monitoring instrument, and still has the leak for cheating in low-voltage line transformation of bad users.

Although there is solution to above-mentioned problem in current patent, open-type current sensor and open-type voltage sampler are monolithic connection with the electric energy meter, have the inconvenient popularization of dismouting and use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at an open-type line loss detection device to solve current open-type current sensor and open-type voltage sampler and electric energy meter and be the integral connection, there are the inconvenient popularization of dismouting and use scheduling problem.

In order to solve the problems, the utility model provides an open-type line loss detection device, including the electric energy meter, the electric energy meter is open-type sensing meter, the electric energy meter bottom is provided with a plurality of interfaces, it has the bayonet joint to peg graft in the interface, the bayonet joint is connected with open-type current sensor, open-type voltage sampler through soft stranded conductor, open-type current sensor and open-type voltage sampler are formed by two semi-rings through the bolt fastening, two semi-rings are main semi-ring and vice semi-ring respectively, the main semi-ring is connected with soft stranded conductor, main semi-ring and vice semi-ring all adopt the PVC material to make, inlay the conducting layer in the main semi-ring, main semi-ring inboard is provided with a plurality of electrically conductive stings, the main end of electrically conductive; a plurality of insulating spines are arranged on the inner side of the auxiliary semi-ring, and the top ends of the conductive spines and the insulating spines are positioned on the same circle; both ends of the main semi-ring and the auxiliary semi-ring are provided with folding lugs, and the folding lugs are used for installing bolts.

Furthermore, the folding lug of the main semi-ring is provided with a bolt hole, the folding lug of the auxiliary semi-ring is also provided with a bolt hole, and the bolt hole of the folding lug of the auxiliary semi-ring is provided with a boss.

Further, the interface department of electric energy meter bottom installs sealed head, and sealed head adopts insulating rubber to make, and sealed head stopper is in the interface that does not use.

Furthermore, the power grid topological structure of the open-type line loss detection device is multistage, the stage number of a power grid is set according to the detection of an actual power transmission line from one stage to N stages, an electric energy meter A is adopted in the first stage, a plurality of N secondary electric energy meters B1-Bn are arranged behind the first stage, electric energy meters B1N1-B1Nn are arranged under B1, electric energy meters B2N1-B2Nn are arranged under B2, and electric energy meters BnN1-BnNn are arranged under Bn.

The utility model has the advantages that: the technical scheme of the utility model is through with open-type current sensor and open-type voltage sampler, adopt detachable structure to connect in the electric energy meter bottom, can carry out single item detection and three item detections as required, set up the interface in the electric energy meter bottom, set up the sealing plug on the interface, the interface that does not use seals with the sealing head, can be dustproof and waterproof, guarantee the safe operation of electric energy meter; open-type current sensor and open-type voltage sampler all adopt two PVC semi-rings to splice fixedly and form, inlay the conducting layer in the main semi-ring of connecting soft stranded conductor, the conducting layer can enough play electrically conductive effect together with soft stranded conductor and electrically conductive thorn, also has fine insulating properties, improves the security that the device used.

Drawings

In the drawings:

fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic view of the local enlarged structure of the present invention;

FIG. 3 is a bottom schematic view of the electric energy meter of the present invention;

FIG. 4 is a schematic diagram of a power grid topology structure front view implemented by the present information

In the figure, 1 is a display screen, 2 is an electric energy meter, 3 is a socket, 4 is a sealing head, 5 is a plug, 6 is a main semi-ring, 7 is an auxiliary semi-ring, 8 is an open-type current sensor, 9 is an insulating thorn, 10 is a flexible stranded wire, 11 is a conductive thorn, 12 is a folded lug, 13 is a bolt, and 14 is a conductive layer.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 4, an open type line loss detection device comprises a plurality of electric energy meters 2, the plurality of electric energy meters 2 are arranged in a topological structure, the electric energy meters 2 are open type sensing meters, a plurality of interfaces 3 are arranged at the bottom of the electric energy meters 2, metal conductors are arranged in the interfaces 3 and are connected with electric energy meter control modules, the interfaces 3 are used for being connected with plug connectors 5, the plug connectors 5 are connected with open type current sensors and open type voltage samplers through flexible stranded wires 10, the open type current sensors and the open type voltage samplers are formed by fixing two semi-rings through bolts 13, the two semi-rings are respectively a main semi-ring 6 and an auxiliary semi-ring 7, the main semi-ring 6 is connected with the flexible stranded wires 10, the main semi-ring 6 and the auxiliary semi-ring 7 are made of PVC materials, a conductive layer 14 is embedded in the main semi-ring, a plurality of conductive spine, the big end of the conductive spine 11 is connected with the conductive layer 14; the inner side of the auxiliary semi-ring 7 is provided with a plurality of insulating spines 9, the top ends of the conductive spines 11 and the insulating spines 9 are positioned on the same circle, and the design is to better fix a wire to be tested; both ends of the main half ring 6 and the auxiliary half ring 7 are provided with folding lugs 12, and the folding lugs 12 are used for installing bolts 13.

In this case, the folding lug 12 of the main half ring 6 is provided with a bolt hole, the bolt hole is changed to be larger than or equal to the diameter of the bolt 13, the folding lug 12 of the auxiliary half ring 7 is also provided with a bolt hole, and the bolt hole of the folding lug of the auxiliary half ring 12 is provided with a boss, and the boss is changed to strengthen the strength of the bolt hole on the folding lug 12 of the auxiliary half ring 7 so as to ensure the reliability of fixing.

In this affair example, interface 3 department of 2 bottoms of electric energy meter installs sealed head 4, and sealed head 4 adopts insulating rubber to make, and sealed head 4 stopper is in interface 3 that does not use, and this design is used for having dustproof insulating effect to interface 3's that does not use sealing, guarantees electric energy meter reliability and security of operation.

The utility model provides a concrete arrangement, open-type line loss detection device's electric wire netting topological structure is multistage, from one-level to N level, set up the progression of electric wire netting according to the detection of actual transmission line, electric energy meter A is adopted to the first level, set up a plurality of N second grade electric energy meters B1-Bn behind the first level, set up electric energy meter B1N1-B1Nn under B1, set up electric energy meter B2N1-B2Nn under B2, set up electric energy meter BnN1-BnNn under Bn.

Different electric energy meters 2 are transmitted to an information processing unit, namely a computer terminal through wires or wirelessly, the computer processes electric quantity information through software, and can calculate the line loss rate of each branch according to the electric quantity information to judge whether the line loss action is generated by electricity stealing, the consideration of normal line loss is removed, if the electric quantity of A is equal to the sum of the electric quantities of B1-Bn of the two-stage open type sensing electric meters, the electricity stealing is proved, if the electric quantities are not equal, the electricity stealing action is proved, then whether the electric quantity reading of the open type sensing electric meter B1 is equal to the electric quantity of the open type sensing electric meters B1N1-B1Nn below the open type sensing electric meter B1 is checked, if the electric quantity reading of the open type sensing electric meter B2-Bn and the electric quantity condition of the secondary stage of the open type sensing electric meter B2-Bn are sequentially judged until the electric quantity reading is found and, it can find out which branch circuit steals electricity, and in the course of steal-proof electricity, the actual line loss of each branch circuit can be respectively calculated according to the reading of each meter.

The foregoing detailed description has provided for the present application and the principles and embodiments of the present application can be illustrated by specific examples, which are provided only for the purpose of facilitating understanding of the method and the core concept of the present application, and persons skilled in the art may change the embodiments and application scope according to the concept of the present application.

Claims

1. The utility model provides an open-type line loss detection device, includes electric energy meter, and electric energy meter is open-type sensing strapping table, its characterized in that: the bottom of the electric energy meter is provided with a plurality of insertion ports, insertion connectors are inserted into the insertion ports, the insertion connectors are connected with an open-type current sensor and an open-type voltage sampler through flexible stranded wires, the open-type current sensor and the open-type voltage sampler are formed by fixing two semi-rings through bolts, the two semi-rings are a main semi-ring and an auxiliary semi-ring respectively, the main semi-ring is connected with the flexible stranded wires, the main semi-ring and the auxiliary semi-rings are made of PVC materials, a conductive layer is embedded in the main semi-ring, a plurality of conductive spines are arranged on the inner side of the main semi-ring, and the; a plurality of insulating spines are arranged on the inner side of the auxiliary semi-ring, and the top ends of the conductive spines and the insulating spines are positioned on the same circle; both ends of the main semi-ring and the auxiliary semi-ring are provided with folding lugs, and the folding lugs are used for installing bolts.

2. The open-type line loss detection device according to claim 1, wherein: the folding lug of the main semi-ring is provided with a bolt hole, the folding lug of the auxiliary semi-ring is also provided with a bolt hole, and the bolt hole of the folding lug of the auxiliary semi-ring is provided with a boss.

3. The open-type line loss detection device according to claim 1, wherein: the bayonet socket department of electric energy meter bottom installs sealed head, and sealed head adopts insulating rubber to make, and sealed head stopper is in the bayonet socket of not using.

4. The open-type line loss detection device according to claim 1, wherein: the power grid topological structure of the open type line loss detection device is multistage, from one stage to N stages, the stage number of a power grid is set according to the detection of an actual power transmission line, an electric energy meter A is adopted in the first stage, a plurality of N secondary electric energy meters B1-Bn are arranged behind the first stage, electric energy meters B1N1-B1Nn are arranged under B1, electric energy meters B2N1-B2Nn are arranged under B2, and electric energy meters BnN1-BnNn are arranged under Bn.