CN216957862U - Quick disconnecting device for photovoltaic module - Google Patents

Abstract

The utility model discloses a quick disconnecting device for a photovoltaic module, which comprises: the circuit breaker comprises a breaking box, a circuit mounting plate and a breaking mechanism; the circuit breaker is characterized in that a circuit mounting plate is embedded in the breaker box, the breaker box acts on a mounting base power accessory, a breaker mechanism is mounted on one side of the circuit mounting plate, and the breaker mechanism can close, bear and break current under normal loop conditions and can close within a specified time. This quick disconnecting means for photovoltaic module, at first, can stimulate the mount pad when the dead lever slides and go up and down, thereby can stimulate the break box and reciprocate, be convenient for adjust the height of break box, then, fix the fixed block inside the fixed plate, thereby can fix the equipment at the break box with circuit mounting panel, and finally, high temperature monitor can trigger bee calling organ when monitoring the inside high temperature of break box and send out the police dispatch newspaper, and smoke detector also can trigger bee calling organ when detecting that the inside of break box has smog and sends out the police dispatch newspaper.

Description

A quick disconnect device for photovoltaic modules

technical field

The utility model relates to the technical field of photovoltaic power generation, in particular to a quick disconnect device for photovoltaic components.

Background technique

The function of the disconnecting device is to cut off and connect the load circuit, as well as cut off the fault circuit, prevent the accident from expanding, and ensure safe operation. The disconnecting device needs to break the arc of 1500V and the current is 1500-2000A. These arcs can be stretched to 2m and still continue to burn without extinguishing. Therefore, arc extinguishing is a problem that must be solved by the high-voltage circuit breaker;

This prior art solution also has the following problems when used:

1. It is inconvenient to adjust the height of the disconnect box;

2. It is inconvenient to assemble the circuit mounting board;

3. It is inconvenient to carry out safety monitoring and early warning;

Therefore, it is necessary to improve the above problems.

Utility model content

The purpose of the present utility model is to provide a quick disconnect device for photovoltaic modules, so as to solve the problem of inconvenient adjustment of the height of the disconnect box on the market, inconvenient to assemble the circuit installation board, and inconvenient to carry out safety monitoring and early warning proposed by the above background technology. The problem.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a quick disconnect device for photovoltaic modules, comprising: a disconnect box, a circuit mounting plate and a circuit breaker;

A circuit installation board is embedded in the disconnecting box, and the disconnecting box is used to install basic power accessories. A circuit-breaking mechanism is installed on one side of the circuit mounting plate, and the circuit-breaking mechanism refers to the ability to close, carry and open normally. A switching device capable of closing, carrying and breaking current under abnormal circuit conditions within a specified time period;

A mounting seat is fixedly connected to the bottom of the disconnecting box, a fixing rod is fixedly connected to the bottom of the mounting seat, a connecting frame is fixedly connected between the fixing rods, and a slider is fixedly connected to one side of the fixing rod. The bottom of the fixing rod is provided with a base, a slide rail is fixedly connected to the base, and the slide block is slidably connected inside the slide rail.

Preferably, an operation box is fixedly connected to the base, a motor is installed between the operation box and the base, a threaded rod is connected to the motor, and the threaded rod is threadedly connected to one side of the connecting frame. The connecting frame will be pulled to slide along the thread, and when the connecting frame slides, the fixing rod will be moved.

Preferably, the circuit mounting board includes:

The fixing block is fixedly connected to one side of the circuit installation board, and the fixing blocks are symmetrically distributed in two groups about the center line of the circuit installation board. The fixing block is provided with a connecting groove inside, and the circuit installation board is pulled to insert the fixing block into the fixing groove. Inside, at this time, the connecting groove will be driven to connect with the pulling groove.

Preferably, the disconnection box includes:

The fixing plate is fixedly connected to the inner side wall of the disconnecting box, the fixing plate is provided with a fixing groove, a fixing block is embedded in the fixing groove, and the side of the fixing groove close to the connecting groove is provided with a pull-out a groove, a connecting block is connected between the drawing groove and the connecting groove;

The block is fixedly connected on one side of the connecting block, the block is slidably connected inside the pull-out groove, and one side of the block is fixedly connected with a pull-out rod, and the pull-out rod is connected through the pull-out groove, so The pull-out rod is sleeved with a spring, and the spring is fixedly connected between the pull-out groove and the stopper, and the pull-out rod is pulled to slide outward along the pull-out groove, and the pull-out rod will pull the block to slide along the inside of the pull-out groove when the pull-out rod is stressed. .

Preferably, a telescopic structure is formed by a spring between the pull-out groove and the stopper, and a sliding connection is formed between the pull-out groove, the connection groove and the connection block. When the pull-out rod is released, the squeezed spring will pass through its own The tension pushes the stopper to reset, and the stopper pushes the connection block to be inserted into the connection slot along the pull-out slot.

Preferably, the disconnection box further includes:

A fixing frame is fixedly connected to the inner side wall of the disconnecting box, a top plate is connected between the fixing frames, an L-shaped block is fixedly connected to the top plate, and an arc-shaped groove is opened on one side of the L-shaped block, so A bolt is embedded in the arc-shaped groove, the bolt is fixedly connected to the fixing frame, and one end of the bolt is threaded with a nut, and the nut is rotated to slide along the bolt. When the nut thread slides to one side of the L-shaped block, the top plate Squeeze and fix in the fixed frame.

Preferably, the top plate includes:

A high temperature monitor is installed at the bottom of the top plate, a smoke detector is installed at the bottom of the top plate close to the high temperature monitor, a buzzer is installed on the top of the disconnect box, and both the high temperature monitor and the smoke detector can trigger the buzzer the alarm sounds.

Preferably, an electrical connection is formed between the high temperature monitor, the smoke detector and the buzzer, and the high temperature monitor is a KD-110 model, and the smoke detector is an nd-715p model, and the high temperature monitor can detect the disconnection Open box internal temperature, smoke detector detects smoke inside disconnect box.

Compared with the prior art, the beneficial effect of the present utility model is: the quick disconnect device for the photovoltaic module, firstly, when the fixing rod slides, the mounting seat will be pulled to move up and down, so that the disconnect box can be pulled to move up and down, which is convenient for adjustment The height of the disconnecting box, then, the fixing block is fixed inside the fixing plate, so that the circuit mounting plate can be fixedly assembled in the disconnecting box, and finally, when the high temperature monitor detects the high temperature inside the disconnecting box, a buzzer will be triggered alarm, and the smoke detector will also trigger the buzzer to sound the alarm when the smoke detector detects the generation of smoke inside the disconnect box.

1. First, start the motor to drive the threaded rod to rotate. When the threaded rod rotates, it will pull the connecting frame to slide along the thread. When the connecting frame slides, it will drive the fixed rod to move. At this time, the fixed rod will push the slider to move along the inside of the slide rail. Sliding, when the fixing rod slides, it will pull the mounting seat to lift, so that the disconnect box can be pulled to move up and down, which is convenient to adjust the height of the disconnect box.

2. Next, pull the pull rod to slide outward along the pull groove, the pull rod will pull the block to slide along the inside of the pull groove, and the block will squeeze the spring when it slides, and the block will pull the connecting block. Move it into the connecting block, then pull the circuit mounting plate to insert the fixing block into the fixing slot, at this time, the connecting slot will be connected to the pull-out slot, and then the pull-out rod will be released, and the squeezed spring will push the stopper through its own tension. The block is reset, and the block will push the connecting block to insert into the connecting groove along the pull-out slot, so that the fixing block is fixed inside the fixing plate, so that the circuit installation board can be fixedly assembled in the disconnecting box.

3. Finally, pull the top plate and insert its two ends into the fixed frame. At this time, the L-shaped block is driven to connect with the bolt, so that the bolt is embedded in the arc groove, and then the nut is rotated to slide along the bolt, and the nut thread slides to the L-shaped block. When one side is pressed, the top plate will be squeezed and fixed in the fixed frame, and then the high temperature monitor and the smoke detector can be installed inside the disconnect box. When the high temperature monitor detects the high temperature inside the disconnect box, a buzzer will be triggered to give an alarm , and when the smoke detector detects that there is smoke inside the disconnect box, it will also trigger the buzzer to sound an alarm, so as to give a safety warning.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model;

Fig. 2 is the side view structure schematic diagram of the utility model;

Fig. 3 is the top view structure schematic diagram of the base of the present invention;

4 is a schematic diagram of the enlarged structure of Part A of the present utility model;

FIG. 5 is an enlarged structural schematic diagram of part B of the present invention.

In the figure: 1. Disconnect box; 2. Circuit mounting board; 3. Breaking mechanism; 4. Mounting seat; 5. Fixing rod; 6. Connecting frame; 7. Slider; 8. Slide rail; 9. Base; 10 , operation box; 11, motor; 12, threaded rod; 13, fixing block; 14, connecting slot; 15, fixing plate; 16, fixing slot; 17, pulling slot; 18, connecting block; 19, stopper; 20 , pull rod; 21, spring; 22, fixed frame; 23, top plate; 24, L-shaped block; 25, arc groove; 26, bolt; 27, nut; 28, high temperature monitor; 29, smoke detector; 30 ,buzzer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: a quick disconnect device for photovoltaic modules, comprising: a disconnect box 1, a circuit mounting plate 2 and a disconnect mechanism 3;

A circuit installation board 2 is fitted inside the breaking box 1, and the breaking box 1 is used to install the basic power accessories. A circuit-breaking mechanism 3 is installed on one side of the circuit installation board 2, and the breaking mechanism 3 refers to the ability to close, carry and open. A switching device that breaks the current under normal circuit conditions and can make, carry and break the current under abnormal circuit conditions within a specified time.

The mounting seat 4 is fixedly connected to the bottom of the disconnecting box 1, the bottom of the mounting seat 4 is fixedly connected with a fixing rod 5, a connecting frame 6 is fixedly connected between the fixing rods 5, and one side of the fixing rod 5 is fixedly connected with a slider 7, and the fixing rod 5. The bottom is provided with a base 9, a slide rail 8 is fixedly connected to the base 9, and the slider 7 is slidably connected inside the slide rail 8. An operation box 10 is fixedly connected to the base 9 , a motor 11 is installed between the operation box 10 and the base 9 , a threaded rod 12 is connected to the motor 11 , and the threaded rod 12 is threadedly connected to one side of the connecting frame 6 . An operation box 10 is fixedly connected to the base 9 , a motor 11 is installed between the operation box 10 and the base 9 , a threaded rod 12 is connected to the motor 11 , and the threaded rod 12 is threadedly connected to one side of the connecting frame 6 .

When the threaded rod 12 rotates, it will pull the connecting frame 6 to slide along the screw thread. When the connecting frame 6 slides, it will drive the fixing rod 5 to move. When the fixing rod 5 slides, it will pull the mounting seat 4 to lift and lower, so that the disconnecting box 1 can be pulled. To move up and down, it is convenient to adjust the height of the disconnect box 1.

The circuit mounting board 2 includes: fixing blocks 13 , which are fixedly connected to one side of the circuit mounting board 2 , and two sets of the fixing blocks 13 are symmetrically distributed about the center line of the circuit mounting board 2 . The breaking box 1 includes: a fixing plate 15, which is fixedly connected to the inner side wall of the breaking box 1; One side of 16 is provided with a pull-out groove 17, a connecting block 18 is connected between the pull-out groove 17 and the connecting groove 14, and a block 19 is fixedly connected to one side of the connecting block 18, and the block 19 is slidably connected inside the pull-out groove 17. One side of the block 19 is fixedly connected with a pull-out rod 20, the pull-out rod 20 is connected through the inside of the pull-out groove 17, a spring 21 is sleeved on the pull-out rod 20, and the spring 21 is fixedly connected between the pull-out groove 17 and the block 19 . A telescopic structure is formed between the pull-out groove 17 and the blocking block 19 by the spring 21 , and the pull-out groove 17 , the connection groove 14 and the connection block 18 form a sliding connection.

Pull the circuit mounting plate 2 to insert the fixing block 13 into the fixing slot 16, and then push the connecting block 18 into the connecting slot 14 along the pulling slot 17, so that the fixing block 13 is fixed inside the fixing plate 15, so that the circuit mounting plate 2 can be fixed. Assembled in breakout box 1.

The breaking box 1 also includes: a fixing frame 22, which is fixedly connected to the inner side wall of the breaking box 1; An arc-shaped groove 25 is opened, and a bolt 26 is inserted into the arc-shaped groove 25. The bolt 26 is fixedly connected to the fixing frame 22, and one end of the bolt 26 is screwed with a nut 27. The top plate 23 includes: a high temperature monitor 28 installed at the bottom of the top plate 23 , a smoke detector 29 is installed at the bottom of the top plate 23 near the high temperature monitor 28 , and a buzzer 30 is installed on the top of the disconnect box 1 . The high temperature monitor 28 is electrically connected with the smoke detector 29 and the buzzer 30 , and the high temperature monitor 28 is a KD-110 model, and the smoke detector 29 is a nd-715p model.

When the high temperature monitor 28 detects the high temperature inside the disconnect box 1, the buzzer 30 will be triggered to give an alarm, and the smoke detector 29 will also trigger the buzzer 30 to give an alarm when the smoke detector 29 detects that there is smoke inside the disconnect box 1, thereby Security alerts are available.

Working principle: As shown in Figure 1-5, when using the quick disconnect device for photovoltaic modules, first, the starter motor 11 drives the threaded rod 12 to rotate, and when the threaded rod 12 rotates, it will pull the connecting frame 6 to slide along it. , when the connecting frame 6 slides, it will drive the fixed rod 5 to move. At this time, the fixed rod 5 will push the slider 7 to slide along the inside of the slide rail 8. When the fixed rod 5 slides, it will pull the mounting seat 4 to move up and down, so that it can be pulled and broken. Open the box 1 and move up and down to adjust the height of the disconnect box 1. Then, pull the pull-out rod 20 to slide outward along the pull-out groove 17, and the pull-out rod 20 will pull the block 19 to slide along the inside of the pull-out groove 17 when the pull-out rod 20 is stressed. When the block 19 slides, the spring 21 will be squeezed. At this time, the block 19 will pull the connecting block 18 to move into the connecting block 18, and then pull the circuit mounting plate 2 to insert the fixing block 13 into the fixing slot 16. At this time, it will drive the The connecting groove 14 is docked with the pulling groove 17, and then the pulling rod 20 is released. The squeezed spring 21 will push the block 19 to reset through its own tension, and the block 19 will push the connecting block 18 to be inserted along the pulling groove 17. Inside the connecting slot 14, the fixing block 13 is fixed inside the fixing plate 15, so that the circuit mounting board 2 can be fixedly assembled in the disconnecting box 1. Finally, pull the top plate 23 to insert both ends into the fixing frame 22. Drive the L-shaped block 24 to connect with the bolt 26, so that the bolt 26 is embedded in the arc groove 25, and then rotate the nut 27 to slide along the bolt 26. When the nut 27 thread slides to the side of the L-shaped block 24, the top plate 23 will be squeezed and fixed. In the fixed frame 22, the high temperature monitor 28 and the smoke detector 29 can be installed inside the disconnect box 1, when the high temperature monitor 28 detects the high temperature inside the disconnect box 1, the buzzer 30 will be triggered to give an alarm, and When the smoke detector 29 detects that there is smoke inside the disconnect box 1, it will also trigger the buzzer 30 to issue an alarm, so that a safety warning can be carried out. technology.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (8)

1. A quick disconnect device for a photovoltaic module, comprising: the circuit breaker comprises a breaking box (1), a circuit mounting plate (2) and a breaking mechanism (3), and is characterized in that the breaking box is arranged on the circuit mounting plate;

a circuit mounting plate (2) is embedded in the disconnecting box (1), and a disconnecting mechanism (3) is mounted on one side of the circuit mounting plate (2);

mount pad (4), fixed connection be in break-off case (1) bottom, mount pad (4) bottom fixedly connected with dead lever (5), fixedly connected with link (6) between dead lever (5), dead lever (5) one side fixedly connected with slider (7), dead lever (5) bottom is provided with base (9), fixedly connected with slide rail (8) on base (9), slider (7) sliding connection is inside slide rail (8).

2. The quick disconnect device for a photovoltaic module of claim 1, characterized in that: fixedly connected with control box (10) on base (9), install motor (11) between control box (10) and base (9), be connected with threaded rod (12) on motor (11), threaded rod (12) threaded connection is in link (6) one side.

3. The quick disconnect device for a photovoltaic module of claim 1, characterized in that: the circuit mounting board (2) comprises:

fixed block (13), fixed connection is in circuit mounting panel (2) one side, and fixed block (13) have two sets ofly about the central line symmetric distribution of circuit mounting panel (2), connecting groove (14) have been seted up to fixed block (13) inside.

4. The quick disconnect device for a photovoltaic module of claim 3, characterized in that: the break-off box (1) comprises:

the fixing plate (15) is fixedly connected to the inner side wall of the disconnecting box (1), a fixing groove (16) is formed in the fixing plate (15), a fixing block (13) is embedded in the fixing groove (16), a drawing groove (17) is formed in one side, close to the connecting groove (14), of the fixing groove (16), and a connecting block (18) is connected between the drawing groove (17) and the connecting groove (14);

dog (19), fixed connection be in connecting block (18) one side, dog (19) sliding connection is inside pull groove (17), dog (19) one side fixedly connected with pull pole (20), pull pole (20) through connection is inside pull groove (17), spring (21) have been cup jointed on pull pole (20), spring (21) fixed connection is between pull groove (17) and dog (19).

5. The quick disconnect device for a photovoltaic module of claim 4, characterized in that: draw and draw between groove (17) and dog (19) and constitute extending structure through spring (21), and constitute sliding connection between draw and draw groove (17), connecting groove (14) and connecting block (18).

6. The quick disconnect device for a photovoltaic module of claim 1, characterized in that: the break-off box (1) further comprises:

fixed frame (22), fixed connection be in break off on case (1) inside wall, be connected with roof (23) between fixed frame (22), fixedly connected with L shape piece (24) on roof (23), arc wall (25) have been seted up to L shape piece (24) one side, the inside gomphosis of arc wall (25) has bolt (26), bolt (26) fixed connection is on fixed frame (22), bolt (26) one end threaded connection has nut (27).

7. The quick disconnect device for a photovoltaic module of claim 6, wherein: the top plate (23) includes:

the high-temperature monitor (28) is installed at the bottom of the top plate (23), a smoke detector (29) is installed at the bottom of the top plate (23) close to the high-temperature monitor (28), and a buzzer (30) is installed at the top of the disconnecting box (1).

8. The quick disconnect device for a photovoltaic module of claim 7, wherein: the high-temperature monitor (28), the smoke detector (29) and the buzzer (30) are electrically connected, the high-temperature monitor (28) is of a KD-110 model, and the smoke detector (29) is of a nd-715p model.

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