CN213658813U

CN213658813U - Power line carrier communication isolating device for intelligent electric meter

Info

Publication number: CN213658813U
Application number: CN202023038506.1U
Authority: CN
Inventors: 李京徽; 许艺瀚
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-09
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a power line carrier communication isolating device for an intelligent electric meter, which comprises a bottom plate and a metal cover, wherein two sides of the bottom plate are provided with mounting holes, the upper end of the bottom plate is jointed and connected with a metal plate, the metal plate is provided with a clamping groove, the metal plate is connected with the metal cover through the clamping groove, one side of the metal cover is provided with a plurality of wire hole grooves, a closed metal cavity is formed by the metal cover and the clamping groove, external signals are isolated, the influence on the internal power line carrier communication is avoided, the external signals are integrally isolated, an upper snap ring and a lower snap ring which are arranged in half-and-half are connected through the snap buckles and the snap groove, an annular cavity is formed by the upper snap ring and the lower snap ring, the circuit is convenient to alternate, the upper metal wire pipe and the lower metal wire pipe are connected through the upper snap strip and the lower snap strip, and both ends of the, and a metal cavity is formed, so that external signals are isolated from the signal transmission line, and the installation and connection are convenient and efficient.

Description

Power line carrier communication isolating device for intelligent electric meter

Technical Field

The utility model relates to a communication isolating device technical field specifically is a power line carrier communication isolating device for smart electric meter.

Background

PLC, which is a Power line Carrier for short, is a PLC. The power carrier is a communication method specific to a power system, and the power carrier communication is a technology for transmitting an analog or digital signal at a high speed by a carrier method using an existing power line. The method has the greatest characteristic that data transmission can be carried out only by wires without erecting a network again.

Chinese patent discloses a power line carrier communication isolation device for smart meters, (No. CN203324328U), and when the power line carrier communication isolation device can be connected to a base meter, the base meter and the power line carrier communication isolation device are two independent devices, and the power line carrier communication isolation device and the base meter together form a smart meter. Therefore, when strong pulse or surge is injected into the base meter, the power line carrier communication isolation device cannot be damaged; meanwhile, when strong pulses or surges are poured into the power line carrier communication isolating device, the base meter cannot be damaged, so that the safety and reliability of the whole system are improved, external signal interference cannot be isolated, a signal circuit connected with the power line carrier communication cannot isolate external signal interference, and the whole installation and connection of the device are not convenient and efficient. Therefore, those skilled in the art provide a power line carrier communication isolation device for a smart meter to solve the problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a power line carrier communication isolating device for smart electric meter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a power line carrier communication isolation device for an intelligent electric meter comprises a bottom plate and a metal cover, wherein mounting holes are formed in two sides of the bottom plate, a metal plate is connected to the upper end of the bottom plate in an attaching mode, clamping grooves are formed in the metal plate, the metal plate is connected with the metal cover in a clamping mode through the clamping grooves, a plurality of wire hole grooves are formed in one side of the metal cover, once the wire hole grooves are formed in the metal cover, an upper clamping ring and a lower clamping ring are clamped in the wire hole grooves, two clamping buckles are fixedly connected to two sides of the upper clamping ring, two clamping buckle grooves are formed in two sides of the lower clamping ring, the clamping buckles are correspondingly clamped with the clamping grooves, an upper metal wire pipe is fixedly connected to one side of the upper clamping ring, upper clamping strips are connected to two sides of the upper metal wire pipe, a lower metal wire pipe is fixedly connected to one side of the lower clamping ring, lower clamping strips are connected to two sides of, the upper wire tube and the lower wire tube are connected in contact.

As a further aspect of the present invention: the inside of metal sheet is provided with the screens groove of U type, screens groove and metal covering match the joint.

As a further aspect of the present invention: one end of the metal cover is arranged in an opening mode, a clamping block is fixedly connected to one side of the metal cover, a baffle is connected to the inner portion of the clamping block in a clamping mode, and the baffle is made of rubber materials.

As a further aspect of the present invention: the upper clamping ring and the lower clamping ring are both semicircular arcs, and the upper clamping ring and the lower clamping ring are same in curvature.

As a further aspect of the present invention: the upper metal wire tube and the lower metal wire tube are arranged in a hollow manner, and the upper metal wire tube and the lower metal wire tube are in a semi-arc shape.

As a further aspect of the present invention: go up card strip and lower card strip and correspond and set up joint arch and the draw-in groove of matching, go up card strip and lower card strip and be rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the inside screens groove that is provided with of metal sheet, the screens groove can be with the metal covering joint of upper end, form confined metal cavity through metal covering and screens groove, keep apart external signal, avoid causing the influence to inside power line carrier communication, carry out the whole isolation of external signal, the last snap ring of half-and-half setting passes through buckle and buckle groove joint with lower snap ring and is connected, go up snap ring and snap ring down and form annular cavity, the circuit of being convenient for alternates, go up wire pipe and lower wire pipe and connect through last calorie of strip and lower calorie of strip, carry out peripheral cladding to the circuit that runs through, go up wire pipe and wire pipe both ends contact down, form the metal cavity, carry out the isolation of external signal to signal transmission line, it is effectual to keep apart, the convenient high efficiency of erection joint.

2. Through metal covering one side fixed connection fixture block, the inside joint of fixture block is connected with the plate washer, and the plate washer is rubber materials, and the connection of the circuit can be convenient for to the metal covering that corresponds one side open-ended, carries out the joint through fixed fixture block to the plate washer and connects, and the plate washer of rubber materials preparation can carry out the circuit flexonics, when can carrying out the line connection, carries out the open-ended of metal covering and seals, avoids the entering of foreign matter, and the installation is swift simultaneously.

Drawings

Fig. 1 is a schematic perspective view of a power line carrier communication isolation device for a smart meter.

Fig. 2 is a schematic view of a baffle connection three-dimensional structure of a power line carrier communication isolation device for a smart meter.

Fig. 3 is a schematic structural diagram of a power line carrier communication isolation device for a smart meter.

Fig. 4 is an enlarged view of a structure shown in fig. 1 in a power line carrier communication isolation device for a smart meter.

In the figure: 1. a base plate; 2. mounting holes; 3. a metal plate; 4. a clamping groove; 5. a metal cover; 6. a wire hole slot; 7. a clamping block; 8. a baffle plate; 9. a snap ring is arranged; 10. a lower snap ring; 11. buckling; 12. a fastening groove; 13. an upper wire tube; 14. mounting a clamping strip; 15. a lower wire tube; 16. and (6) a lower clamping strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a power line carrier communication isolation device for an intelligent electric meter includes a base plate 1 and a metal cover 5, wherein mounting holes 2 are formed on both sides of the base plate 1, a metal plate 3 is attached to and connected to an upper end of the base plate 1, a locking groove 4 is formed on the metal plate 3, the metal plate 3 is connected to the metal cover 5 by locking the locking groove 4, a plurality of wire hole grooves 6 are formed on one side of the metal cover 5, once the wire hole grooves 6 are formed on the metal cover 5, an upper locking ring 9 and a lower locking ring 10 are locked inside the wire hole grooves 6, two locking buckles 11 are fixedly connected to both sides of the upper locking ring 9, two locking buckle grooves 12 are formed on both sides of the lower locking ring 10, the locking buckles 11 are locked to the locking buckle grooves 12, an upper metal wire tube 13 is fixedly connected to one side of the upper locking ring 9, an upper locking strip 14 is connected to, the two sides of the lower metal wire tube 15 are connected with lower clamping strips 16, the upper clamping strips 14 are connected with the lower clamping strips 16 in a clamping mode, and the upper metal wire tube 13 is connected with the lower metal wire tube 15 in a contact mode.

Specifically, the inside of metal sheet 3 is provided with the screens groove 4 of U type, screens groove 4 and metal covering 5 match the joint, and the metal covering 5 of upper end corresponds the joint installation through the screens groove 4 of U type, and metal covering 5 forms confined metal cavity with screens groove 4, keeps apart external signal, avoids causing the influence to inside power line carrier communication, carries out the whole isolation of external signal.

Specifically, the one end of metal covering 5 is the opening setting, one side fixedly connected with fixture block 7 of metal covering 5, the inside joint of fixture block 7 is connected with plate washer 8, plate washer 8 is rubber materials, it can be convenient for the connection of circuit to correspond one side open-ended metal covering 5, carry out the joint through fixed fixture block 7 and connect plate washer 8, plate washer 8 of rubber materials preparation can carry out the flexonics, when can carrying out the line connection, carry out 5 open-ended sealings of metal covering, avoid the entering of foreign matter, it is swift to install simultaneously.

Specifically, go up snap ring 9 and snap ring 10 down and be the semicircle, it is the same with lower snap ring 10 setting curvature to go up snap ring 9, and last snap ring 9 through the semicircle forms cylindricly with lower snap ring 10, and the inside of the circuit of being convenient for is placed, and it is convenient to install.

Specifically, go up wire tube 13 and lower wire tube 15 and set up for the fretwork, it is half-circular arc with lower wire tube 15 to go up wire tube 13, last wire tube 13 that sets up through the fretwork increases the pliability with lower wire tube 15, be convenient for wholly buckle, half-circular arc's last wire tube 13 and lower wire tube 15 form the cavity barrel, the placing of the circuit of being convenient for, go up wire tube 13 and lower wire tube 15 and form the metallic shield layer, shield external interference signal, avoid disturbing the transmission signal circuit.

Specifically, go up card strip 14 and lower card strip 16 and correspond and set up the protruding and draw-in groove of joint that matches, go up card strip 14 and lower card strip 16 and be rubber materials, set up the protruding and draw-in groove of joint that matches through last card strip 14 and lower card strip 16 and correspond the joint, the last card strip 14 of rubber materials and lower card strip 16 adapt to flexible last wire tube 13 and lower wire tube 15, can carry out inside the placing to crooked circuit, excellent in use effect.

The utility model discloses a theory of operation is: the power line carrier communication device is integrally installed on a metal plate 3, a clamping groove 4 is arranged in the metal plate 3, a metal cover 5 at the upper end can be clamped by the clamping groove 4, a closed metal cavity is formed by the metal cover 5 and the clamping groove 4, external signals are isolated, the influence on the internal power line carrier communication is avoided, the external signals are integrally isolated, a wire hole groove 6 is arranged on one side of the metal cover 5, an upper clamping ring 9 and a lower clamping ring 10 can be clamped by the wire hole groove 6, an upper metal wire pipe 13 and a lower metal wire pipe 15 are respectively connected on one sides of the upper clamping ring 9 and the lower clamping ring 10, the upper clamping ring 9 and the lower clamping ring 10 are clamped and connected by a clamping buckle 11 and a clamping buckle groove 12, an annular cavity is formed by the upper clamping ring 9 and the lower clamping ring 10, the circuit is convenient to insert, the upper metal wire pipe 13 and the lower metal wire pipe 15 are connected by an upper clamping strip 14 and a lower clamping strip, go up wire tube 13 and the contact of wire tube 15 both ends down, form the metal cavity, carry out external signal's isolation to signal transmission line, it is effectual to keep apart, flexible last wire tube 13 and wire tube 15 are suitable for different circuits and arrange down, application scope is wide, one side fixedly connected with fixture block 7 of metal covering 5, the inside joint of fixture block 7 is connected with plate washer 8, plate washer 8 is rubber materials, it can be convenient for the connection of circuit to correspond one side open-ended metal covering 5, carry out the joint connection to plate washer 8 through fixed fixture block 7, plate washer 8 that rubber materials made can carry out the circuit flexonics, when can carrying out line connection, carry out the open-ended of metal covering 5 and seal, avoid the entering of foreign matter, the installation is swift simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a power line carrier communication isolating device for smart electric meter, includes bottom plate (1) and metal covering (5), bottom plate (1) both sides are provided with mounting hole (2), its characterized in that: the metal wire clamping device is characterized in that a metal plate (3) is connected to the upper end of the bottom plate (1) in a laminating manner, a clamping groove (4) is formed in the metal plate (3), the metal plate (3) is connected with a metal cover (5) in a clamping manner through the clamping groove (4), a plurality of wire hole grooves (6) are formed in one side of the metal cover (5), once the wire hole grooves (6) are formed in the metal cover (5), an upper clamping ring (9) and a lower clamping ring (10) are clamped in the wire hole grooves (6), two buckles (11) are fixedly connected to the two sides of the upper clamping ring (9), two buckle grooves (12) are formed in the two sides of the lower clamping ring (10), the buckles (11) are correspondingly clamped with the buckle grooves (12), an upper metal wire tube (13) is fixedly connected to one side of the upper clamping ring (9), an upper clamping strip (14) is connected to the two sides of the upper metal wire tube (13), a lower metal wire tube (15, the both sides of lower wire tube (15) are connected with lower card strip (16), go up card strip (14) and card strip (16) joint down and connect, go up wire tube (13) and contact connection of lower wire tube (15).

2. The power line carrier communication isolating device for the intelligent electric meter as claimed in claim 1, wherein a U-shaped clamping groove (4) is formed in the metal plate (3), and the clamping groove (4) is matched and clamped with the metal cover (5).

3. The power line carrier communication isolation device for the smart meter according to claim 1, wherein one end of the metal cover (5) is provided with an opening, a clamping block (7) is fixedly connected to one side of the metal cover (5), a baffle (8) is connected to an inner portion of the clamping block (7) in a clamping manner, and the baffle (8) is made of rubber materials.

4. The power line carrier communication isolation device for the smart meter as claimed in claim 1, wherein the upper snap ring (9) and the lower snap ring (10) are both semicircular arcs, and the upper snap ring (9) and the lower snap ring (10) are arranged with the same curvature.

5. The power line carrier communication isolation device for the smart meter according to claim 1, wherein the upper wire tube (13) and the lower wire tube (15) are hollow, and the upper wire tube (13) and the lower wire tube (15) are semi-circular arc-shaped.

6. The power line carrier communication isolating device for the smart meter as claimed in claim 1, wherein the upper card strip (14) and the lower card strip (16) are correspondingly provided with matching clamping protrusions and clamping grooves, and the upper card strip (14) and the lower card strip (16) are made of rubber materials.