CN204179758U - A kind of distribution line on-line monitoring communication terminal supporting solar energy power taking - Google Patents

Abstract

The utility model discloses a communication terminal for on-line monitoring of power distribution lines that supports solar power acquisition, comprising a communication terminal box body, a circuit board is installed inside the communication terminal box body, the circuit board is powered by a power supply, and the power supply includes The solar power supply as the main working power supply and the storage battery as the backup power supply, the solar power supply is installed on the solar support, the solar support includes a base that is located under the communication terminal box and a substrate for installing solar panels, the bottom of the substrate A folding rod is provided, and a folding joint is provided on the base, and the folding joint includes a horizontally fixed straight pipe part and a joint vertically arranged at the front end of the straight pipe part, and the joint is hinged to the folding rod. The utility model combines the power supply of the solar battery with the backup battery, so that the communication terminal on-line monitoring of the power distribution line does not need to worry about the normal operation due to insufficient power even in continuous rainy days, and at the same time ensures the service life of the battery.

Description

A communication terminal for on-line monitoring of distribution lines that supports solar power acquisition

technical field

The utility model relates to a communication terminal for on-line monitoring of a power distribution line supporting solar power taking.

Background technique

The distribution line has many branches and complex structure. The online monitoring communication terminal of the distribution line combined with the fault indicator can determine the fault section in time when the line fails, and issue a fault alarm indication (or information), which greatly shortens the fault section. The search time provides a strong guarantee for quickly troubleshooting and restoring normal power supply.

The communication terminal for on-line monitoring of distribution lines mainly relies on batteries for power supply. Although the capacity and life of batteries have been continuously improved with the development of technology, the working environment of on-line monitoring terminals for distribution lines has changed a lot, and harsh environmental factors have caused battery loss and life-span reduction. , not only affects the online monitoring of the line, but also adds new fault factors. At the same time, due to the weight limitation of the battery itself, the battery life is also limited.

Utility model content

The technical problem to be solved by the utility model is to provide a communication terminal for on-line monitoring of power distribution lines that supports solar power taking, which solves the problems of difficulty in taking power and poor effectiveness in power line fault monitoring.

In order to solve the above technical problems, the utility model adopts the following technical scheme: an online monitoring communication terminal for power distribution lines supporting solar power acquisition, including a communication terminal box, a circuit board is installed inside the communication terminal box, and the circuit The board is powered by a power supply, a box door is hingedly installed on the front side of the communication terminal box, the circuit board is provided with an information processing unit, a GPRS wireless public network communication unit, and the short-distance wireless communication unit is installed on the three-phase line The intelligent line fault indicator performs short-distance wireless communication and obtains real-time sampling data. The GPRS wireless public network communication unit is connected to the main station system through the GPRS wireless public network, and regularly reports the fault information of the three-phase line to the main station system, the circuit board is connected with a power line and a communication line, and the power line and communication line pass through the threading hole at the bottom of the communication terminal box, and the bottom of the communication terminal box is provided with a barrier to prevent rainwater from passing through the threading hole. Water device, the power supply includes a solar power supply as the main working power supply and a storage battery as a backup power supply, the storage battery is installed in the communication terminal box, the solar power supply is installed on the solar support, and the solar support includes a The base below the box body and the base plate on which the solar panel is installed, the bottom of the base plate is provided with a folding rod, and the base is provided with a folding joint, and the folding joint includes a horizontally fixed straight pipe part and a vertical joint arranged at the front end of the straight pipe part. The joint is arranged directly, and the joint is hinged with the folding rod. Under normal conditions, the base board is arranged in front of the communication terminal box. When the door needs to be opened, the base board is folded through the cooperation of the folding rod and the joint. A lock head is fixed at the bottom end of the folding rod, the lock head is provided with a lock slot, the joint is provided with a vertical chute corresponding to the lock slot, a lock bar is provided in the chute, and a lock bar is provided at the joint The rod control mechanism controls the lock rod to slide up and down along the chute so that the lock rod snaps into or disengages from the lock groove.

Preferably, the water blocking device includes a water blocking plate, the water blocking plate is vertically arranged to cover the threading hole, and the water blocking plate is provided with water blocking joints corresponding to the power line and the communication line.

Preferably, the water blocking joint includes a flexible arc elbow, the high side of the arc elbow passes through the water blocking plate, and the bottom of the low side of the arc elbow is provided with a rainwater outlet that communicates with the interior of the arc elbow. A collecting cavity, the bottom of the rainwater collecting cavity is provided with a water outlet.

Preferably, the base plate includes a front panel that blocks the door of the communication terminal box, and side panels that are arranged on the left and right sides of the front panel and extend obliquely to the rear to cover the sides of the communication terminal box. The upper side of the board part is provided with an upper eave part connected with the side board part and covering the upper side of the communication terminal box.

Preferably, the solar cell panel includes a reflective film and a thin-film solar cell sheet attached to the reflective film, and the thin-film solar cell sheet is provided with three pieces corresponding to the front panel and the side panel of the substrate. Folding edges are arranged between two adjacent thin-film solar cells, and the lead wires of each thin-film solar cell are connected to the main power line.

Preferably, the battery leads of the thin-film solar cell are divided into upper and lower two according to the different polarities of the positive and negative electrodes, and the reflective film is laid with main power lines on the upper and lower sides of the thin-film solar cell. The battery lead is laid along the folded edge and finally welded to the main power line.

Preferably, the main power line is connected to the circuit board and the storage battery after being stabilized by a solar power supply voltage stabilizing circuit.

Preferably, the locking rod control mechanism includes an L-shaped locking rod control handle, the end of the lateral part of the locking rod control handle is hinged on the joint, and a locking rod control handle opening is provided on the joint, and the front end of the lateral part of the locking rod control handle is connected from the lock The opening of the lever control handle goes out, the vertical part of the lock lever control handle is connected to the front end of the horizontal part of the lock lever control handle and is located outside the opening of the lock lever control handle, a slide rail mechanism is arranged between the lock lever control handle horizontal part and the lock lever to control the lock lever Move up and down.

The utility model combines the power supply of the solar battery with the backup battery, and the power is supplied by the solar energy at ordinary times, and the battery is powered by the backup battery when the power of the solar battery is exhausted due to continuous rainy days. On the one hand, solar energy is energy-saving and environmentally friendly and is not limited by the weight, capacity and service life of the backup battery. On the other hand, combined with the use of backup battery power, the online monitoring communication terminal of the distribution line does not have to worry about the normal operation due to insufficient power even in continuous rainy days, and at the same time ensures the service life of the battery.

The beneficial effects of using the utility model are:

1) Solar power supply, environmental protection, energy saving, reducing the power consumption on the line;

2) The weight and volume of the backup battery can be reduced, and the battery cost and equipment cost can be reduced;

3) The solar battery is combined with the backup battery, so it will not be interrupted due to battery damage or power exhaustion. At the same time, even in continuous rainy weather, there is backup battery power supply, and the equipment will not affect the normal work.

4) The main power supply of solar energy, when the solar battery is exhausted in continuous cloudy and rainy days, the backup battery can be used again, which prolongs the service time of the battery.

5) The excess electricity can be used to provide operating power for the switch on the column.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

Fig. 1 is a schematic diagram of the cooperation structure of the cabinet and the solar power supply (the cabinet door is closed and the substrate is unfolded);

2 is a schematic diagram of a solar panel;

Fig. 3 is a schematic diagram of cooperation between the folding rod and the folding joint;

Fig. 4 is the structural representation of locking bar control mechanism;

Fig. 5 is a schematic structural view of the water blocking device.

Detailed ways

As shown in Figures 1 to 5, a communication terminal for online monitoring of power distribution lines includes a communication terminal box 5, a circuit board is installed inside the communication terminal box, the circuit board is powered by a power supply, and the communication terminal A box door is hingedly installed on the front side of the box body. The circuit board is provided with an information processing unit, a short-distance wireless communication unit, and a GPRS wireless public network communication unit, and the short-distance wireless communication unit performs short-distance wireless communication with an intelligent line fault indicator installed on a three-phase line and obtains Real-time sampling data, the information processing unit processes the real-time sampling data, the GPRS wireless public network communication unit is connected with the main station system through the GPRS wireless public network, and regularly reports the fault information of the three-phase line to the main station system , the circuit board is connected with a power line and a communication line, and the power line and the communication line pass through the threading hole at the bottom of the communication terminal box.

Since the online monitoring communication terminal is mostly installed outdoors, its operating environment is extremely harsh, especially the waterproof and dustproof ability of its box body, which directly affects the reliability and service life of the device. In order to meet the requirements of the waterproof level of the box body, firstly, a sealing groove is provided on the edge of the front mouth of the box body, and a sealing ring matched with the sealing groove is provided on the edge of the box door, so as to meet the waterproof sealing requirements at the box door. In addition, the wiring hole at the bottom of the communication terminal box is also equipped with a rubber sealing ring, but in rainy days, some rainwater may still seep into the box along the power line and communication line through the sealing ring, which will bring hidden dangers to safety. Here, a water blocking device is provided below the bottom of the communication terminal box to prevent rainwater from passing through the threading hole.

As shown in Figure 5, the water blocking device 3 includes a water blocking plate 32, the water blocking plate is vertically arranged and covers the threading hole, and the water blocking plate is provided with a water blocking joint 31 corresponding to the power line and the communication line . The water blocking joint includes a flexible arc elbow 311, the high side of the arc elbow passes through the water blocking plate, and the bottom of the low side of the arc elbow is provided with a rainwater collection chamber that communicates with the inside of the arc elbow 312. A water outlet is provided at the bottom of the rainwater collection chamber. The lower port of the circular arc elbow is provided with a bell mouth 313 . The lower side of the circular arc elbow is provided with a positioning plate 314 against the plane of the water blocking plate. Due to the function of the water-blocking baffle and the water-blocking joint, rainwater cannot leak into the interior of the communication box along the communication line and power line, eliminating potential safety hazards.

The power supply includes a solar power supply as the main working power supply and a storage battery as a backup power supply, the storage battery is installed in the communication terminal box, and the solar power supply is installed on the solar support.

As shown in FIG. 1 , the solar bracket includes a base located below the communication terminal box 5 and a base plate 41 on which a solar cell panel 42 is installed. The base plate 41 of the solar cell panel 42 forms a folding plate 4 that can be rotated and folded relative to the base. Specifically, as shown in Figures 3 and 4, a folding rod 2 is provided at the bottom of the substrate, and a folding joint 1 is provided on the base, and the folding joint 1 includes a horizontally fixed straight pipe part and a Vertically arranged joint 11, the joint is hinged with the folding rod 2. Under normal conditions, the base board is arranged in front of the communication terminal box. When the box door needs to be opened, the base board is realized through the cooperation of the folding rod and the joint. Folding, a lock head 22 is fixed at the bottom end of the folding rod, the lock head is provided with a lock groove 23, the joint is provided with a vertical chute 13 corresponding to the lock groove, and a lock bar 14 is arranged in the chute , the joint is provided with a lock bar control mechanism to control the lock bar to slide up and down along the chute so that the lock bar snaps into or out of the lock slot.

The lock bar control mechanism includes an L-shaped lock bar control handle 15, the end of the lock bar control handle transverse part is hinged on the joint, the joint is provided with a lock bar control handle port 12, and the front end of the lock bar control handle transverse part is connected from the lock bar The opening of the control handle goes out, the vertical part of the lock lever control handle is connected to the front end of the horizontal part of the lock lever control handle and is located outside the opening of the lock lever control handle, and a slide rail mechanism is set between the horizontal part of the lock lever control handle and the lock lever to control the lock lever up and down sports.

The slide rail mechanism includes a sleeve 18 fixed in the joint, and a sliding rod 17 is sleeved in the sleeve, and a return spring 16 is arranged on both sides of the sliding rod. Back-moving spring 16 two ends are provided with hook and are respectively connected with lock bar control handle 15 transverse parts and lock bar 14, and slide bar 17 upper ends and lock bar control handle transverse parts can be connected by hook, between the slide bar lower end and lock bar 14. Directly connected, only when the lock bar control handle presses down and pushes the lock bar 14 to go down and break away from the lock groove 23, it contacts with the lock bar. The end of the slide bar 17 can be provided with a semicircular groove to cooperate with the lock bar. When the lock bar control handle 15 is released, the back-moving spring 16 promotes the lock bar control handle 15 to reset, and the lock bar control handle drives the slide bar 17 to reset simultaneously.

The section of the joint 11 of the folding joint 1 is U-shaped, and the section of the locking head 22 is also U-shaped. A protruding part 24 is provided on the opening side of the lock head, and the lock groove 23 is provided at one end of the protruding part 24 , and the slope 25 transitions between the lock groove and the bottom end of the lock head. The lock head 22 is fixed with the folding rod by a rivet.

Its working principle is: press down the lock lever control handle 15, the slide bar 17 goes down along the sleeve 18, the slide bar 17 pushes the lock lever 14 down and breaks away from the lock groove 23, so that the folding lever can rotate relative to the joint 11, and finally the substrate and its The solar panel on the top is folded up, and the box door can be opened at this time.

In addition, the front end of the protruding portion 24 of the locking groove is an arc-shaped structure 26 , so that when the folding lever is unfolded, the locking rod 14 can automatically snap into the locking groove 23 along the arc-shaped structure 26 .

As shown in FIG. 1 , the base plate 41 includes a front panel 411 that covers the door of the communication terminal box and side panels that are arranged on the left and right sides of the front panel and extend obliquely to the rear to cover the sides of the communication terminal box. part 412, the upper side of the front board part is provided with an upper eaves part connected with the side board parts and covering the upper side of the communication terminal box. Since some rainwater may enter the upper side of the box through the upper eaves, the upper side of the box is set as a slope structure inclined to the rear side, and the rainwater can flow to the rear side of the box along the slope to avoid rainwater directly contacting the box. The door is in contact with the seal of the box.

In this way, the substrate covers the communication terminal box, which can prevent the box from being exposed to wind, rain, and sun, and improves the waterproof and dustproof effect. It can also isolate heat and prevent the communication terminal from heating up too quickly. In addition, it is also very important That is, the area of the solar panel is increased, so that the electric energy of the solar power supply can not only supply power for the online monitoring communication terminal, but also supply power for other power-demanding components.

As shown in Figure 2, the solar cell panel 42 includes a reflective film 421 and a thin film solar cell sheet 422 pasted on the reflective film, and the front plate portion and the side plate portion of the corresponding substrate of the thin film solar cell sheet are provided with three pieces. , the reflective film is provided with a folded edge 423 between two adjacent thin-film solar cells, and the battery leads of each thin-film solar cell are connected to the main power line. The structure of the solar cell panel is designed to adapt to the structure of the above-mentioned substrate, and has the advantages of a large illuminated area and a long service life. The reflective film can reflect part of the sun's rays, prevent the communication terminal box from heating up too quickly, and convert the absorbed solar energy into electrical energy to supply power to the communication terminal box, and the excess electrical energy is stored through the battery. The side-by-side thin-film solar cell sheets are provided with folded edges, which can be easily folded at a certain angle corresponding to the inclined side panels, and will not cause damage to the thin-film solar cell sheets, and are not easy to age.

The battery leads of the thin-film solar cells are divided into upper and lower two according to the different polarities of the positive and negative electrodes. The reflective film is laid with main power lines on the upper and lower sides of the thin-film solar cells. The folded edge is laid and finally welded with the main power line. The main power line is connected to the circuit board and the storage battery after being stabilized by the solar power supply voltage stabilizing circuit.

Claims (8)

1. An on-line monitoring communication terminal for power distribution lines that supports solar power acquisition, including a communication terminal box, a circuit board is installed inside the communication terminal box, and the circuit board is powered by a power supply. A box door is hinged on the side, and it is characterized in that: the circuit board is provided with a short-distance wireless communication unit, a GPRS wireless public network communication unit, the short-distance wireless communication unit and the intelligent line fault indicator installed on the three-phase line Perform short-distance wireless communication and obtain real-time sampling data. The GPRS wireless public network communication unit is connected with the main station system through the GPRS wireless public network, and regularly reports the fault information of the three-phase line to the main station system. The circuit board A power line and a communication line are connected, and the power line and the communication line pass through the threading hole at the bottom of the communication terminal box, and a water blocking device is provided under the bottom of the communication terminal box to prevent rainwater from passing through the threading hole. It includes a solar power supply as the main working power supply and a storage battery as a backup power supply, the storage battery is installed in the communication terminal box, the solar power supply is installed on the solar support, and the solar support includes a base arranged under the communication terminal box and The substrate on which the solar panel is installed, the bottom of the substrate is provided with a folding rod, the base is provided with a folding joint, and the folding joint includes a horizontally fixed straight pipe part and a joint vertically arranged at the front end of the straight pipe part. The joint and the folding rod are hinged. Under normal conditions, the base board is arranged in front of the communication terminal box. When the door needs to be opened, the base board is folded through the cooperation of the folding rod and the joint. The bottom end of the folding rod is fixed A lock head, the lock head is provided with a lock groove, the joint is provided with a vertical chute corresponding to the lock groove, a lock bar is arranged in the chute, and a lock bar control mechanism is provided at the joint to control the lock bar Slide up and down along the chute so that the lock bar snaps into or out of the lock slot. 2. The communication terminal for on-line monitoring of distribution lines according to claim 1, characterized in that: the water blocking device includes a water blocking plate, the water blocking plate is vertically arranged to block the threading hole, and the water blocking plate Water-blocking connectors are provided on the corresponding power line and communication line. 3. The communication terminal for on-line monitoring of distribution lines according to claim 2, characterized in that: the water blocking joint comprises a flexible arc elbow, the high side of the arc elbow passes through the water blocking plate, the The bottom of the lower side of the arc bend pipe is provided with a rainwater collection chamber communicating with the inside of the arc bend pipe, and the bottom of the rainwater collection chamber is provided with a water outlet. 4. The communication terminal for on-line monitoring of distribution lines according to claim 1, characterized in that: the substrate includes a front panel that blocks the box door of the communication terminal, and is arranged on the left and right sides of the front panel and faces toward the rear. The side panels extend obliquely to cover the sides of the communication terminal box. 5. The distribution line online monitoring communication terminal according to claim 4, characterized in that: the solar cell panel includes a reflective film and a thin-film solar cell attached to the reflective film, and the thin-film solar cell corresponds to the substrate There are three front panel parts and side panel parts, and the reflective film is provided with folds between two adjacent thin film solar cell sheets, and the battery leads of each thin film solar cell sheet are connected to the main power line. 6. The communication terminal for on-line monitoring of power distribution lines according to claim 5, characterized in that: the lead wires of the thin-film solar cells are divided into upper and lower wires according to the different polarities of the positive and negative electrodes, and the reflective film is placed on the thin film. The main power line is laid on the upper and lower sides of the solar cell, and the two battery leads of the thin-film solar cell are laid along the folded edge and finally welded to the main power line. 7. The communication terminal for on-line monitoring of power distribution lines according to claim 6, wherein the main power line is connected to a circuit board and a storage battery after being stabilized by a solar power supply voltage stabilizing circuit. 8. The communication terminal for on-line monitoring of distribution lines according to claim 1, characterized in that: the locking rod control mechanism includes an L-shaped locking rod control handle, the end of the lateral part of the locking rod control handle is hinged on the joint, and the joint There is a lock lever control handle opening on the top, the front end of the horizontal part of the lock lever control handle passes through the lock lever control handle opening, the vertical part of the lock lever control handle is connected to the front end of the lock lever control handle transverse part and is located outside the lock lever control handle opening, the lock A slide rail mechanism is arranged between the lateral part of the rod control handle and the lock rod to control the up and down movement of the lock rod.