CN215185236U - Power line carrier transmission system - Google Patents

Abstract

The utility model discloses a power carrier transmission system, which comprises an electric meter box, an electric energy meter, a cleaning device for cleaning dust on the electric energy meter, an acquisition device and a signal transmission device, wherein the cleaning device comprises a cleaning motor, a moving assembly for driving the cleaning motor to move, a cleaning roller arranged on an output shaft of the cleaning motor, a guide seat sleeved on the cleaning shaft and a guide groove arranged on the electric meter box; through cleaning device's setting, when collection system need gather the reading in the electric energy meter, the screen on the clean electric energy meter is cleaned in advance to the accessible cleaning roller, guarantees that the reading can the clear display, and the collection system of being convenient for can accurate the gathering to data, guarantees the accuracy of the transmission of signal.

Description

Power line carrier transmission system

Technical Field

The utility model belongs to the technical field of information transmission, especially, relate to a power line carrier transmission system.

Background

The power carrier is a communication mode specific to a power system, and the power carrier communication is a technology for transmitting an analog or digital signal at a high speed in a carrier mode by using an existing power line, wherein in the technical field of remote meter reading, a power line of a power grid is often used for transmitting a carrier signal.

However, in the power carrier transmission system, the transmitted signals are often acquired by detecting and identifying the readings of the electric meter through the acquisition device, but the screen of the electric meter is easily contaminated by dust, so that the identification of the acquisition device is easily affected, the acquisition device cannot accurately identify the electric meter, and the accurate transmission of the signals is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide an accurate transmission signal's power line carrier transmission system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a power carrier transmission system comprises an electric meter box, an electric energy meter, a cleaning device for cleaning dust on the electric energy meter, an acquisition device and a signal transmission device, wherein the cleaning device comprises a cleaning motor, a moving assembly for driving the cleaning motor to move, a cleaning roller arranged on an output shaft of the cleaning motor, a guide seat sleeved on the cleaning roller and a guide groove arranged on the electric meter box; through cleaning device's setting, when collection system need gather the reading in the electric energy meter, the screen on the clean electric energy meter is cleaned in advance to the accessible cleaning roller, guarantees that the reading can the clear display, and the collection system of being convenient for can accurate the gathering to data, guarantees the accuracy of the transmission of signal.

Preferably, the cleaning device further comprises a spraying assembly for spraying the cleaning solution, wherein the spraying assembly comprises a control piece for controlling spraying, a pressing table arranged on the electric meter box, a pressing groove formed in the pressing table, a pressing spring arranged in the pressing groove, a pressing cover arranged in the pressing groove, a spraying pipe arranged on the pressing table, a liquid conveying pipe for inputting the cleaning solution and a one-way piece for controlling the cleaning solution to enter from the liquid conveying pipe; through the setting of spraying subassembly, when the cleaning roller cleaned the electric energy meter, but the clean effect of cleaning roller can further be improved on the screen of electric energy meter to the jet cleaning liquid.

Preferably, the control piece is a pressing block arranged on the guide seat; through the setting of pressing piece, need not other control switch, can be along with the removal of the position of cleaning roller, pressing piece extrusion press cover is in order to extrude the cleaning solution blowout to realize the instant automation of cleaning solution and spray, avoid spraying too early so that the cleaning solution volatilizees, spray on directly spraying the cleaning roller too late, further guarantee cleaning device's clean effect.

Preferably, the cleaning roller is provided with a cleaning strip, and the cleaning strip is made of flexible water absorption materials. The contact area between the cleaning strip and the electric energy meter can be further increased through the arrangement of the cleaning strip; simultaneously through the setting of flexible material of absorbing water, can not produce the fish tail and can absorb the cleaning solution to the electric energy meter surface, strike on the electric energy meter along with the rotatory centrifugal force effect of cleaning roller, can increase the dynamics of cleaning the electric energy meter surface to further improve cleaning device's clean effect.

Preferably, a plurality of branches are arranged on the cleaning strip; through the forked setting, can further increase the area of contact of clean strip and electric energy meter, improve the area of contact of clean strip and electric energy meter, increase clean strip adhesion area simultaneously to further improve cleaning device's clean effect.

Preferably, a plurality of bosses are arranged on the cleaning strip; through the setting of boss, can further increase the area of contact of clean strip and electric energy meter and increase the adhesion area of clean strip, form the recess between the boss, the dust is hidden in the recess, easily takes away the dust from the electric energy meter surface to further improve cleaning device's clean effect, reduce the dust and remain in the electric energy meter structure gap.

Preferably, the spraying assembly further comprises a blocking plate for blocking spraying splashing, and water absorbent cotton is arranged on the blocking plate; through the setting of barrier plate and cotton that absorbs water, can block that the cleaning solution splashes other regions to absorb the cleaning solution, avoid the cleaning solution to get into in electric energy meter or other electrical components so that cause the trouble, guarantee not to exert an influence at clear in-process to equipment, guarantee the normal operating of system.

Preferably, a shell of the electric meter box is further provided with a moisture-proof assembly for preventing moisture, and the moisture-proof assembly comprises a first moisture-proof plate, a second moisture-proof plate, a first heat dissipation hole formed in the first moisture-proof plate, a second heat dissipation hole formed in the second moisture-proof plate and moisture-proof layers arranged on the first moisture-proof plate and the second moisture-proof plate; through the arrangement of the moisture-proof assembly, the ventilation and heat dissipation of the electric meter box can be ensured, meanwhile, moisture on the ground can be prevented from entering the electric meter box, and the normal work of the system is ensured; through the double-deck setting of the dampproofing board of first dampproofing board and second, and the crisscross setting of first louvre and second louvre, when the discharge of inside steam of being convenient for, restriction moisture directly gets into the ammeter case in a large number, and through the setting of dampproofing course, can absorb the moisture that gets into between the dampproofing board of first dampproofing board and second simultaneously, guarantee that moisture is difficult for entering into the ammeter incasement.

In conclusion, through cleaning device's setting, when collection system need gather the reading in the electric energy meter, the screen on the clean electric energy meter is cleaned in advance to the accessible cleaning roller, guarantees that the reading can the clear display, and the collection system of being convenient for can accurate collection to data, guarantees the accuracy of the transmission of signal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a partially enlarged view of C in fig. 1.

Fig. 5 is a schematic cross-sectional view of the present invention.

Fig. 6 is a partial enlarged view of fig. 5 at D.

Fig. 7 is a partial enlarged view of fig. 6 at F.

Detailed Description

As shown in fig. 1 to 7, a power carrier transmission system includes an electricity meter box 1, an electric energy meter 11, a cleaning device, an acquisition device and a signal transmission device, where the acquisition device is an electronic eye and the signal transmission device is a common signal transmission wire.

Specifically, the cleaning device comprises a cleaning motor 21, a moving assembly, a cleaning roller 22, a guide seat 23, a guide groove 24 and a spraying assembly, wherein the moving assembly comprises a driving motor 251, a lead screw 252 and a sliding block 253, the top of the electric meter box is provided with a moving cavity 254, the driving motor is fixedly installed in the moving cavity, the lead screw is fixedly connected to a rotating shaft of the driving motor, and the sliding block is correspondingly matched with the lead screw; the cleaning motor 21 is fixedly mounted on the slider.

Further, all seted up guide way 24 on the inner wall of the top of ammeter case 1 and bottom, the guide way 24 fit in has guide holder 23, wherein wear to be equipped with in the guide way 24 that is located on the top inner wall the axis of rotation of cleaning motor 21, fixed mounting has in the axis of rotation of cleaning motor cleaning roller 22.

Furthermore, a plurality of rows of cleaning strips 221 are arranged on the cleaning roller along the circumferential direction, and the cleaning strips are made of flexible water absorption materials and can be cloth strips or cotton strips; the cleaning strip is provided with a plurality of bifurcations 2211, the front and back sides of each bifurcation are provided with a plurality of bosses 2212 along the length direction of the cleaning strip, the bosses are formed by overlapping a plurality of layers of cloth strips or cotton slivers, and the bosses are harder relative to other parts of the cleaning strip.

Further, the spraying assembly comprises a control piece 261, a pressing table 262, a pressing groove 263, a pressing spring 264, a pressing cover 265, a spraying pipe 266, a transfusion pipe 267, a one-way piece and a blocking plate 268, wherein the control piece is a pressing block which is fixedly connected to a guide seat on the same side with the cleaning motor, and the two pressing blocks are arranged on the front side and the rear side of the cleaning roller 22.

Furthermore, the pressing table is fixedly installed on the inner wall of the top of the electric meter box, a plurality of pressing tables are arranged along the width direction of the electric meter box and correspond to the electric energy meters one by one, a pressing groove is formed in each pressing table, the pressing spring is fixedly connected in each pressing table, the pressing cover is arranged on the pressing spring in a covering mode, one end of the pressing spring is fixedly connected to the pressing cover, and the other end of the pressing spring is fixedly connected to the bottom of the pressing groove; the side wall of the pressing table is fixedly connected with an atomizing pipe, the atomizing pipe is communicated with the pressing groove, the outlet end of the atomizing pipe points to the screen of the electric energy meter, and only a small opening for allowing the mist liquid to pass through is formed in the outlet end of the atomizing pipe; the one-way piece comprises a one-way groove 31 arranged at the bottom of the pressing groove, a support frame 32 arranged at the opening of the one-way groove, a one-way spring 33 arranged in the one-way groove and a steel ball 34 arranged in the one-way groove, one end of the one-way spring abuts against the steel ball, and the other end of the one-way spring abuts against one end of the support frame away from the pressing groove; the infusion tube is arranged at the bottom of the pressing block and is communicated with the one-way groove, and the steel ball is buckled at the opening at one end of the infusion tube communicated with the one-way groove; the other end of the infusion tube is communicated with a liquid storage cylinder filled with cleaning liquid.

Further, the cleaning liquid is a commonly used cleaning agent for cleaning the liquid crystal screen, and is a volatile material.

Further, block board 268 fixed mounting keep away from on the guide holder of cleaning motor, the block board with the spray pipe is relative, and with cleaning roller, press the platform cooperation surround in the top of electric energy meter, the rigid coupling has the cotton that absorbs water on the inner wall of block board to guarantee that the cleaning solution can not splash.

Further, the casing bottom of ammeter case is equipped with dampproofing subassembly, dampproofing subassembly includes first dampproofing board 41, second dampproofing board 42, first louvre 43, second louvre 44 and dampproof course 45, first dampproofing board 41 and second dampproofing board 42 fixed mounting in ammeter case 1's bottom, a plurality of first louvres 43 have been seted up on the first dampproofing board 41, be equipped with a plurality of second louvres 44 on the second dampproofing board 42, first louvre 43 and second louvre 44 are crisscross to be set up and mutually noninterfere in vertical direction, first dampproofing board with be equipped with on the second dampproofing board the dampproof course, dampproof course 45 is many cotton that absorbs water, cotton louvre fixed mounting that absorbs water in on between first dampproofing board and the second dampproofing board and be located the region between adjacent first louvre and the second louvre.

The utility model discloses a concrete implementation process as follows: when the reading of the ammeter needs to be detected, the driving motor and the cleaning motor can be controlled to be started in advance, the driving motor drives the lead screw to drive the sliding block to move, meanwhile, the cleaning motor drives the cleaning roller column to rotate, in the process, the pressing block in front of the cleaning roller in the moving direction can pre-press the pressing block, cleaning liquid prestored in the pressing groove is extruded and sprayed onto the electric energy meter through the spraying pipe, the splashing cleaning liquid can be blocked by the blocking plate, then the pressing block can leave the pressing block, the pressing block can rebound under the action of the pressing spring, meanwhile, the cleaning liquid in the pressing groove is exhausted, negative pressure is generated in the cleaning groove, the steel ball can resist the pressing force of the one-way spring under the negative pressure, so that a channel of the one-way groove is opened, and the cleaning liquid is replenished into the pressing groove through the liquid guide pipe for next spraying; meanwhile, the cleaning roller can drive the cleaning strip to rotate to wipe and clean the electric energy meter; similarly, under the drive of the drive motor, the cleaning roller moves from one side to the other side to clean the electric energy meter in sequence, and when the boundary of the other side is reached, the action is repeated in the reverse direction from the other side again to realize a back and forth action; after cleaning, the data on the electric energy meter can be accurately collected through the collecting device, so that the carrier transmission signals are transmitted through the transmission signal transmission device.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all 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 invention.

Claims (8)

1. The utility model provides a power line carrier transmission system, includes ammeter case (1), electric energy meter (11), is used for the cleanness cleaning device, collection system and the signal transmission device of dust on the electric energy meter, its characterized in that: cleaning device includes clean motor (21), is used for driving the removal subassembly that clean motor removed, locates cleaning roller (22), cover on the output shaft on the clean motor are located guide holder (23) on the cleaning roller and are seted up in guide way (24) on the ammeter case.

2. A power carrier transmission system according to claim 1, wherein: cleaning device is still including the spraying subassembly that is used for spraying the cleaning solution, the spraying subassembly is including control (261) that is used for controlling the spraying, locate press platform (262) on the ammeter case, set up in press bench press groove (263), locate press spring (264) in the inslot, locate press lid (265) in the inslot, locate press epaxial spray tube (266) to be used for inputing transfer line (267) of cleaning solution and be used for controlling the cleaning solution follow the one-way component that the transfer line got into.

3. A power carrier transmission system according to claim 2, wherein: the control piece (261) is a pressing piece arranged on the guide seat (23).

4. A power carrier transmission system according to claim 1, wherein: the cleaning roller is provided with a cleaning strip (221), and the cleaning strip is made of flexible water absorption materials.

5. A power carrier transmission system according to claim 4, characterized in that: the cleaning strip is provided with a plurality of forks (2211).

6. A power carrier transmission system according to claim 4, characterized in that: the cleaning strip is provided with a plurality of bosses (2212).

7. A power carrier transmission system according to claim 2, wherein: the spraying assembly further comprises a blocking plate (268) used for blocking spraying splashing, and water absorption cotton is arranged on the blocking plate.

8. A power carrier transmission system according to claim 1, wherein: still be equipped with on the casing of ammeter case and be used for damp-proofing dampproofing subassembly, dampproofing subassembly includes first dampproofing board (41), the dampproofing board of second (42), sets up in first louvre (43) on the first dampproofing board, set up in second louvre (44) on the dampproofing board of second and locate dampproofing course (45) of first dampproofing board and the dampproofing board of second.

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