CN220730303U

CN220730303U - Integrated measuring equipment

Info

Publication number: CN220730303U
Application number: CN202322022881.4U
Authority: CN
Inventors: 代智慧; 宁骞; 张日取; 谢永明; 武占河
Original assignee: Holley Technology Co Ltd
Current assignee: Holley Technology Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-04-05
Anticipated expiration: 2033-07-31

Abstract

The utility model provides integrated measuring equipment which comprises a junction box bottom cover, wherein a plurality of current transformers distributed in a stepped mode are arranged in the junction box bottom cover, power lines penetrate through the centers of the current transformers, the power lines are parallel to each other, and a puncture electricity taking device is arranged at the junction of the power lines and the junction box bottom cover. The equipment integrates the puncture electricity-taking device corresponding to the three phases A, B and C and the corresponding current transformer in one junction box to convert the split type of the prior art into an integral type, the power lines are parallel to each other and do not interfere with each other, and the three phases are integrated in one space without mutual influence. The utility model adopts an integrated design to avoid the exposure of the lead, has simple, easy and reliable operation and convenient later maintenance and searching, can greatly improve the convenience of installation and reduce the later maintenance and searching cost.

Description

Integrated measuring equipment

Technical Field

The utility model relates to the field of intelligent electric energy meters, in particular to an integrated measuring device with a puncture electricity taking device.

Background

At present, the measuring equipment of the equipment puncture electricity taking device basically adopts a split structure to monitor the power line data, and on-line monitoring is carried out at any time. The split type structure adopts an independent opening type mutual inductor and an independent puncture electricity taking device, and is additionally provided with a communication metering monitoring module, wherein the volume of the communication metering module is relatively small, but the opening type mutual inductor and the puncture electricity taking device are provided with independent connecting wires, so that the split type structure is particularly messy under the condition that the meter box lead book is complicated; the puncture electricity-taking device and the open type current transformer are separately operated, so that the operation is troublesome. A great deal of unnecessary extra work is brought to the later maintenance and arrangement work, and the special effect is obvious under the condition that the manpower is increasingly in shortage at present.

As disclosed in chinese patent literature, publication No. CN211088066U of a split type puncture current transformer, provided is a split type puncture current transformer, which comprises a transformer unit and a puncture power taking unit, wherein a cable passes through a threading hole in the transformer unit, a closed iron core and a coil wound on the iron core are arranged in the transformer unit, and a puncture needle for puncturing an insulating sheath of the cable to obtain an electrical signal is arranged in the puncture power taking unit, and is characterized in that: the puncture electricity taking unit is detachably arranged on one side of the transformer unit, a puncture mechanism is arranged in the puncture electricity taking unit, a puncture needle is arranged in an inner cavity of the puncture mechanism, an elastic piece is further arranged in the puncture mechanism, and the elastic piece drives the puncture needle to enable a needle tip of the puncture needle to be output from the end part of the puncture mechanism.

The current transformer disclosed in the patent document is arranged in a split type, wiring is messy relative to the current transformer, elements are inconvenient to replace, various functions are operated separately, high manpower maintenance cost is caused, the operation is inconvenient, and safety accidents are easy to cause.

Disclosure of Invention

The utility model provides an integrated measuring device, which aims to solve the problems of messy wires, inconvenient maintenance and arrangement and separate operation of functions in the prior art, and aims to save labor cost, facilitate wiring, facilitate arrangement of various lines and reduce the number of exposed wires of various colors in a meter box; in addition, the device is integrally installed together, so that the operation times and the arrangement work during single installation are reduced. The utility model adopts a uninterrupted installation mode, which is particularly convenient.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an integral type measuring equipment, includes the terminal box bottom, is equipped with the current transformer of a plurality of ladder distributions in the terminal box bottom, and current transformer center passes there is the power line, and the power line is parallel to each other, and power line and terminal box bottom juncture are equipped with puncture electricity-taking device. Through setting up the terminal box with the puncture electricity collector of A, B, C three-phase and the current transformer integration that corresponds in a terminal box with prior art's split type conversion as an organic wholely, the power line is parallel to each other noninterference, does not influence each other between the three-phase and integrates in a space again. The current transformer is an open type current transformer.

Preferably, one side of the junction box bottom cover is provided with a junction box flip cover matched with the junction box bottom cover, and a groove matched with the current transformer is formed in the junction box flip cover. In order to protect the puncture electricity taking device and the current transformer, a junction box flip cover is arranged, and the grooves are matched with the openings of the open type current transformer, so that the current transformer can be better protected.

Preferably, a communication metering monitoring module is arranged in the junction box flip cover, the communication metering monitoring module is provided with an adapter plate bottom cover, the communication metering monitoring module is rectangular, a first wiring groove is formed in the long side direction of the communication metering monitoring module, and a second wiring groove is formed in the short side direction of the communication metering monitoring module. The adapter plate bottom cover protects components and parts in the communication measurement monitoring module, and the first wiring groove and the second wiring groove are used for connecting wires and connecting the junction box flip and the junction box bottom cover.

Preferably, the first wiring groove is provided with a current transformer connecting wire, the second wiring groove is provided with a voltage connecting wire, one end of the voltage connecting wire is connected with the communication metering monitoring module, the other end of the voltage connecting wire is connected with the junction box bottom cover, and one end of the current transformer connecting wire is connected with the communication metering monitoring module, and the other end of the current transformer connecting wire is connected with the junction box bottom cover. The voltage connecting wire and the current transformer connecting wire are connected separately, so that workers can distinguish two types of wires, and later maintenance is convenient.

Preferably, the outer surface of the bottom cover of the junction box is provided with a zero-line waterproof wire clamp, and the zero-line waterproof wire clamp is connected with a zero-line puncture electricity taking device in series. The waterproof wire clip has the functions of moisture resistance and interference resistance, and the zero line puncture electricity taking device can perform live working, so that the space is saved, the maintenance is convenient, and the installation is simple and convenient. The zero line waterproof wire clip is externally connected to the junction box bottom cover and is fixedly connected with the junction box bottom cover through the zero line waterproof wire clip, so that the function of puncture electricity taking of the zero line is expanded.

Preferably, the puncture electricity-taking device is connected with a waterproof wire clip in series, and the waterproof wire clip is arranged on the inner surface of the bottom cover of the junction box. The three-phase puncture power taking function is provided, and the three-phase puncture power taking device is arranged in the bottom cover of the junction box and keeps a certain interval with the zero line puncture power taking device, so that mutual interference can not be caused.

Preferably, the zero line puncture power extractor and the puncture power extractor are parallel to each other. The two components are connected in parallel, do not interfere with each other, and do not affect each other, so that the working efficiency and the stability are ensured.

Preferably, the edge of the junction box bottom cover and the edge of the junction box flip cover are provided with wire passing grooves matched with the power lines. The wire passing grooves at the edges of the junction box bottom cover and the junction box flip cover are semicircular, when the junction box bottom cover and the junction box flip cover are combined together, the two semicircular wire passing grooves just form a circular wire passing groove, and the diameter of the circular wire passing groove is matched with the diameter of a power line.

The utility model has the advantages that the integrated design is adopted to avoid the exposure of the lead, the operation is simple, easy and reliable, the later maintenance and the searching are convenient, the convenience of installation can be greatly improved, and the later maintenance and the searching cost is reduced.

Drawings

Fig. 1 is a schematic view of a flip cover of the present utility model.

Fig. 2 is an enlarged partial schematic view of the flip cover of the junction box of the present utility model.

Fig. 3 is a schematic view of the closure of the present utility model.

Fig. 4 is a side view of the present utility model.

Fig. 5 is a schematic view of the utility model after installation.

In the figure: 1. junction box bottom cover, junction box flip, current transformer, power line, puncture electricity collector, zero line puncture electricity collector, recess, 8, communication measurement monitoring module, 9, adapter plate bottom cover, 10, first wiring groove, 11, second wiring groove, 12, current transformer connecting wire, 13, voltage connecting wire, 14, zero line waterproof wire clip, 15, waterproof wire clip, 16, guide rail mounting groove, 17.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

Example 1

As shown in fig. 1 to 5, the present utility model provides an integrated measuring apparatus. Including terminal box bottom 1, be equipped with three ladder distribution's current transformer 3 in the terminal box bottom 1, current transformer 3 center passes has power line 4, and power line 4 is total 3, and power line 4 is parallel to each other, and power line 4 and terminal box bottom 1 juncture are equipped with puncture electricity-taking device 5, and this juncture is located terminal box bottom 1 long limit one end. One side of the junction box bottom cover 1 is provided with a junction box flip cover 2 which is matched with the junction box bottom cover 1, and a groove 7 which is matched with the current transformer 3 is arranged in the junction box flip cover 2. The grooves 7 are distributed like the current transformers 3 in a step mode, 3 grooves are formed, meanwhile, the voltage connecting wires 13 are led to bypass the second groove 7 from the short side of the communication metering monitoring module 8, and a gap between the third groove 7 and the second groove 7 penetrates through and is connected to the junction box bottom cover 1. As shown in fig. 2, the first groove 7 is arranged in parallel with the communication metering monitoring module 8 and is positioned on the leftmost side against the short side of the terminal box flip 2, the second groove is positioned on the middle and is tightly attached to the upper side of the communication metering monitoring module 8, and the third groove is positioned on the rightmost side and is tightly attached to the other short side of the terminal box flip 2. The terminal box flip 2 is internally provided with a communication measurement monitoring module 8, the communication measurement monitoring module 8 is provided with an adapter plate bottom cover 9, the communication measurement monitoring module 8 is rectangular, the long side direction of the communication measurement monitoring module 8 is provided with a first wiring groove 10, and the short side direction of the communication measurement monitoring module 8 is provided with a second wiring groove 11. As shown in fig. 2, the first wire-connecting grooves 10 and the second wire-connecting grooves 11 are phoenix terminals, wherein the second wire-connecting grooves 11 are vertically distributed, and the first wire-connecting grooves 10 are horizontally distributed. The adapter plate bottom cover 9 is arranged on the outer surface of the communication metering monitoring module 8 to protect the communication metering monitoring module 8. The first wiring groove 10 is provided with a current transformer connecting wire 12, the second wiring groove 11 is provided with a voltage connecting wire 13, one end of the voltage connecting wire 13 is connected with the communication metering monitoring module 8, the other end of the voltage connecting wire is connected with the junction box bottom cover 1, and one end of the current transformer connecting wire 12 is connected with the communication metering monitoring module 8, and the other end of the current transformer connecting wire is connected with the junction box bottom cover 1.

The outer surface of the junction box bottom cover 1 is provided with a zero-line waterproof wire clamp 14, and the zero-line waterproof wire clamp 14 is connected with a zero-line puncture electricity taking device 6 in series. The zero line puncture electricity taking device 6 is positioned at the outer side of the junction box bottom cover 1 and is responsible for the zero line puncture electricity taking device 5, the waterproof line clamp 15 is connected in series, and the waterproof line clamp 15 is arranged on the inner surface of the junction box bottom cover 1. The zero line puncture electricity taking device 6 and the puncture electricity taking device 5 are parallel to each other. As shown in fig. 1, the waterproof line cards 15 are three in total, wherein the first two puncture power extractors 5 are located in the middle of the left side of the junction box bottom cover 1 to make the current transformer 3 below the puncture power extractors 5 go out of the installation position, the second waterproof line card 15 and the third waterproof line card 15 are located on the same line, the second waterproof line card 15 is arranged in the middle of the junction box bottom cover 1, and the third waterproof line card 15 is arranged at the edge of the right side of the junction box bottom cover 1. The three waterproof wire cards 15 correspondingly protect three puncture power extractors 5, and the three puncture power extractors 5 respectively measure three-phase electricity A, B and C in the circuit.

The installation process comprises the following steps of opening the junction box flip cover 2, opening the adapter plate bottom cover 9 on the outer surface of the communication metering monitoring module 8 in the junction box flip cover 2, checking whether components are normal or not, enabling the power line 4 to follow the wire passing groove 17 on one end edge of the junction box bottom cover 1 after checking is finished, enabling the power line 4 to be sequentially clamped into the centers of the puncture electricity taking device 5 and the current transformer 3, and enabling the power line 4 to follow the wire passing groove 17 on the other end edge of the junction box bottom cover 1. The power line 4 is already mounted on the terminal block flip 2 before being snapped into the wire passing groove 17 at one end edge of the terminal block bottom cover 1, the current transformer 3 and the puncture power collector 5. After the power line 4 is clamped, the adapter plate bottom cover 9 and the junction box flip cover 2 are covered, the junction box flip cover 2 and the junction box bottom cover 1 are connected together through screws, and the junction box flip cover is fixed on a 35mm standard installation guide rail or directly hung on the power line 4. If the terminal box is fixed on a 35mm standard installation guide rail, the terminal box is required to be directly buckled on the guide rail through a guide rail installation groove 16 arranged behind the bottom cover 1 of the terminal box as shown in fig. 4.

As shown in fig. 1 and 2, the embodiment sets 3 puncture power extractors 5 including an a-phase puncture power extractor, a B-phase puncture power extractor and a C-phase puncture power extractor, which correspond to three phases of electricity in a circuit. In the specific use process, the three parts are not necessarily required to work at the same time, and the circuit can be set according to different circuit environments. The three can work simultaneously to adapt to a three-phase circuit, one of the three can work, or the three can be used for three-wire and four-wire conditions, and the working condition is properly selected and adjusted by a worker according to specific application scenes. The three puncture electricity extractors 5 are evenly distributed at the end parts of the long side of the junction box bottom cover 1 in parallel, and holes which are matched with the puncture electricity extractors 5 are arranged on the corresponding junction box flip cover 2. The current transformers 3 are in stepped distribution, as shown in fig. 1, the leftmost current transformer 3 is located below the puncture electricity-taking device 5 and clings to the long-side end of the junction box bottom cover 1, the rightmost current transformer 3 clings to the other long-side end of the junction box bottom cover 1 far away from the puncture electricity-taking device 5, the middle second current transformer 3 is located on the central axis of the junction box bottom cover 1 in the middle of the junction box bottom cover 1 and the central axis of the junction box bottom cover 1 in the short side, and the parallel left sides of the current transformers are provided with a voltage connecting wire 13 and a current transformer connecting wire 12 which are connected to the junction box bottom cover 1 from the junction box flip 2. Three power lines 4 are arranged corresponding to the three puncture power extractors 5, the junction box bottom cover 1 and the junction box flip cover 2 are rectangular in the embodiment, three wire passing grooves 17 are distributed at the edges of two long sides at equal intervals and are respectively matched with the three power lines 4, and the installation process of the power lines 4 is carried out from top to bottom. The puncture electricity collector 5 and the current transformer 3 pass through the wire passing groove 17 on the long edge of the junction box bottom cover 1 and then pass through the wire passing groove 17 on the other long edge in sequence. The wire passing groove 17 is semicircular at the edge of the junction box bottom cover 1 and the edge of the junction box flip cover 2, the radius of the wire passing groove is matched with the radius of the power line 4, and when the junction box flip cover 2 is covered on the junction box bottom cover 1, the wire passing groove 17 is just aligned to be circular, and the diameter of the wire passing groove is just matched with the diameter of the power line 4. The puncture electricity-taking device 5 is just clung to the lower part of the wire passing groove 17 on the long side of the junction box bottom cover 1. The connecting wires on the puncture electricity taking device 5 and the open type current transformer 3 pass through the junction box bottom cover 1 and are put into the voltage connecting wire 13 and the corresponding phoenix terminal of the current transformer connecting wire 12, and the phoenix terminal is the first wiring groove 10 and the second wiring groove 11 shown in the figure. The voltage connecting wire 13 and the current transformer connecting wire 12 connect the junction box bottom cover 1, the junction box flip 2 and the communication metering monitoring module 8 together. The communication metering monitoring module 8 reports, downloads and monitors the power transmission running state of the related power line by the measured data and the like. The product electricity taking adopts the uninterrupted power mode to puncture electricity taking and installs, and the cable passes from current transformer 3 center, uses puncture electricity taking device 5 and zero line puncture electricity taking device 6 to get the electricity, and terminal box flip 2 is closed in proper order after the chucking of current transformer 3, twists lead sealing screw and just can accomplish the installation.

In addition to the above embodiments, the technical features or technical data of the present utility model may be rearranged and combined within the scope of the claims and the description of the present utility model to constitute new embodiments, which may be implemented without inventive effort by those skilled in the art, and thus, embodiments of the present utility model not described in detail should be considered as embodiments of the present utility model within the scope of the protection of the present utility model.

Claims

1. The utility model provides an integral type measuring equipment, its characterized in that includes terminal box bottom (1), be equipped with current transformer (3) that a plurality of ladder distribute in terminal box bottom (1), current transformer (3) center is passed there is power line (4), power line (4) are parallel to each other, power line (4) and terminal box bottom (1) juncture is equipped with puncture electricity-taking device (5).

2. An integrated measuring device according to claim 1, characterized in that a junction box flip cover (2) adapted to the junction box bottom cover (1) is arranged on one side of the junction box bottom cover (1), and a groove (7) adapted to the current transformer (3) is arranged in the junction box flip cover (2).

3. An integrated measuring device according to claim 2, characterized in that a communication metering monitoring module (8) is arranged in the junction box flip (2), the communication metering monitoring module (8) is provided with an adapter plate bottom cover (9), the communication metering monitoring module (8) is rectangular, a first wiring groove (10) is arranged in the long side direction of the communication metering monitoring module (8), and a second wiring groove (11) is arranged in the short side direction of the communication metering monitoring module (8).

4. An integrated measuring device according to claim 3, characterized in that the first wiring duct (10) is provided with a current transformer connecting wire (12), the second wiring duct (11) is provided with a voltage connecting wire (13), one end of the voltage connecting wire (13) is connected with the communication metering monitoring module (8) and the other end is connected with the junction box bottom cover (1), and one end of the current transformer connecting wire (12) is connected with the communication metering monitoring module (8) and the other end is connected with the junction box bottom cover (1).

5. The integrated measuring device according to claim 1, wherein a zero-line waterproof wire clip (14) is arranged on the outer surface of the junction box bottom cover (1), and the zero-line waterproof wire clip (14) is connected with a zero-line puncture electricity taking device (6) in series.

6. The integrated measuring device according to claim 1, wherein the puncture electricity collector (5) is connected in series with a waterproof wire clip (15), and the waterproof wire clip (15) is arranged on the inner surface of the junction box bottom cover (1).

7. An integrated measuring device according to claim 5, characterized in that the zero line puncture electricity extractor (6) and the puncture electricity extractor (5) are parallel to each other.

8. An integrated measuring device according to claim 2, characterized in that the junction box bottom cover (1) and the junction box flip (2) are provided with wire passing grooves (17) at the edges adapted to the power lines (4).