Photovoltaic circuit breaker

Abstract

The utility model discloses a photovoltaic circuit breaker, which comprises a circuit breaker main body, a plurality of mounting holes are arranged on the circuit breaker main body, screws are arranged in the mounting holes, the top of the circuit breaker main body is connected with an L-shaped plate in a sliding manner, and the bottom end of the circuit breaker main body is connected with a strip-shaped plate in a sliding manner. The middle parts of the L-shaped plate and the strip-shaped plate are respectively provided with a plurality of circular plates, and the top end of the L-shaped plate and the top of the front surface of the L-shaped plate are provided with a plurality of rubbers at equal intervals. According to the photovoltaic circuit breaker provided by the utility model, through the arrangement of the rubber ring, when the circuit breaker shell is disassembled, disassembled screws can be placed in the rubber ring to protect the screws, so that the service life of the circuit breaker is prolonged; and meanwhile, the circular plates are arranged, the filter net bags are embedded in the circular plates, drying agents are filled in the circular plates, and when opening is not needed at ordinary times, the multiple circular plates cover the outer sides of the corresponding mounting holes, internal screws are protected, and oxidation and rusting are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit breaker, especially a circuit breaker for photovoltaic. BACKGROUND

[0002] With the increasing demand for clean energy worldwide, solar energy, as a sustainable and pollution-free energy form, has been widely used. Photovoltaic systems play a key role in converting solar energy into electrical energy and connecting to the power grid or for local use. The circuit breaker for photovoltaic is an important electrical equipment that ensures the safety and stability of power transmission in the photovoltaic system.

[0003] The existing circuit breaker is usually provided with multiple screws to fix the shell of the circuit breaker. Since the outer side of the screw is not provided with a protection structure, the screw will be oxidized after a long time of use. When the circuit breaker is maintained, the shell of the circuit breaker needs to be opened. When the shell is opened, the disassembled screws on the circuit breaker are not convenient to place and are easy to fall off, causing subsequent installation inconvenience. In addition, whether the circuit breaker will occur repeated tripping after the first tripping, the tripping time and frequency are not convenient to record. SUMMARY

[0004] The utility model aims at providing a circuit breaker for photovoltaic to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a circuit breaker for photovoltaic, comprising a circuit breaker main body, a plurality of mounting holes are arranged on the circuit breaker main body, a screw is arranged in each of the mounting holes, an L-shaped plate is slidably connected to the top of the circuit breaker main body, a strip-shaped plate is slidably connected to the bottom of the circuit breaker main body, a plurality of circular plates are arranged in the middle of the L-shaped plate and the strip-shaped plate, and a plurality of rubber rings are arranged at equal intervals on the top of the front surface and the top of the front surface of the L-shaped plate.

[0006] As a preferred technical scheme of the utility model, sliding strips are fixedly installed on the two sides of the back surface of the L-shaped plate and the two sides of the strip-shaped plate, and the four sliding strips are slidably connected with the slide channels arranged on the circuit breaker main body.

[0007] As a preferred technical scheme of the utility model, a plurality of filter screen pockets are filled in the interior of the plurality of circular plates, and a plurality of desiccants are filled in the interior of the plurality of filter screen pockets.

[0008] As a preferred technical scheme of the utility model, a shutter is arranged in the middle of the circuit breaker main body, and a square box is fixedly installed at the bottom of the middle of the circuit breaker main body.

[0009] As a preferred technical scheme of the utility model, two pressing columns are fixedly installed at the top end of the square box, the bottom end of the gate plate is in contact with the two pressing columns, and the bottom end of each of the two pressing columns is fixedly installed with a first pressing switch and a second pressing switch.

[0010] As a preferred technical scheme of the utility model, a timer and a counter are fixedly installed at the front face of the square box respectively, the timer and the counter are electrically connected with the first pressing switch and the second pressing switch respectively, and the first pressing switch and the second pressing switch are electrically connected with the external battery on the square box.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a rubber ring is set up, when the circuit breaker shell is dismantled, the screw of dismantling can be placed in the inside of rubber ring, and the screw is protected, avoids losing, causes the subsequent installation inconvenience, and the circular plate is simultaneously equipped, the filter screen pocket is embedded in the inside of the circular plate, and the inside is filled with desiccant, when not needing opening in ordinary times, a plurality of circular plate covers are covered on the outside of the corresponding mounting hole, and the internal screw is protected, and oxidation rust is avoided.

[0013] 2、The utility model discloses a timer and a counter are set up, and the timer and the counter are controlled by the first pressing switch and the second pressing switch respectively, when the circuit breaker main part trips, the gate plate will fall down at this moment, the gate plate is extruded the pressing column in the falling process, makes the first pressing switch and the second pressing switch drive the timer and the counter, and the timer and the counter are timed and counted respectively, judge how many times trip in a certain time after the first time, and the circuit breaker main part is excluded. ACCURACY

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the L type board structural schematic diagram of the utility model;

[0016] Figure 3 It is the square box structural schematic diagram of the utility model.

[0017] In the drawing: 1, circuit breaker main part;2, mounting hole;3, L type board;4, rubber ring;5, circular plate;6, gate plate;7, strip plate;8, square box;9, slide bar;10, filter screen pocket;11, pressing column;12, first pressing switch;13, second pressing switch;14, timer;15, counter. SPECIFIC IMPLEMENTATION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Please refer to Figures 1-3 The utility model provides a kind of technical scheme of circuit breaker for photovoltaic:

[0020] According to Figure 1 、 Figure 2 And Figure 3 A kind of circuit breaker for photovoltaic, including circuit breaker main body 1, multiple mounting holes 2 are equipped on circuit breaker main body 1, the inside of multiple mounting holes 2 is equipped with screw, the top of circuit breaker main body 1 is slidably connected with L type plate 3, the bottom of circuit breaker main body 1 is slidably connected with strip plate 7, the middle part of L type plate 3 and strip plate 7 is equipped with multiple round plates 5, the top of L type plate 3 and the top of front are equipped with multiple rubber rings 4 with equal interval.

[0021] The back of L type plate 3 and the two sides of strip plate 7 are fixedly installed with slide 9, four slides 9 are slidably connected with the slide way opened on circuit breaker main body 1, the inside of multiple round plates 5 is filled with filter screen bag 10, the inside of multiple filter screen bags 10 is filled with drying agent.

[0022] The middle part of circuit breaker main body 1 is equipped with shutter 6, the bottom of the middle part of circuit breaker main body 1 is fixedly installed with square box 8, the top of square box 8 is fixedly installed with two pressing columns 11, the bottom of shutter 6 is in contact with two pressing columns 11, the bottom of two pressing columns 11 is fixedly installed with first pressing switch 12 and second pressing switch 13 respectively, the front of square box 8 is fixedly installed with timer 14 and counter 15 respectively, timer 14 and counter 15 are electrically connected with first pressing switch 12 and second pressing switch 13 respectively, first pressing switch 12 and second pressing switch 13 are electrically connected with external battery on square box 8.

[0023] In specific use, the utility model discloses a circuit breaker for photovoltaic, when installing, the slide 9 of the two sides of the back of L type board 3 and the back of strip plate 7 is slid up and down along the circuit breaker main body 1, and the mounting hole 2 is exposed, and the internal circuit of the circuit breaker main body 1 is installed, after installation, the lower slide L type board 3 and the upper slide strip plate 7 shield the mounting hole 2, the dry agent filled in the filter screen pocket 10 in the multiple circular plate 5 shields the mounting hole 2, avoids the oxidation of the screw in the mounting hole 2, and protects the screw, and when the circuit breaker main body 1 trips, the shutter 6 falls down, the first press switch 12 and the second press switch 13 drive the timer 14 and the counter 15 in the extrusion and press column 11 during the falling of the shutter 6, the timer 14 and the counter 15 are timed and counted respectively, and the number of tripping within a certain time after the first tripping is judged, and the circuit breaker main body 1 is excluded.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected, or can be communicated; can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one scheme", "several schemes", "example", "specific example" or "several examples" means that the specific features, structures, materials or characteristics described in combination with the scheme or example are included in at least one scheme or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

Claims

1. A circuit breaker for photovoltaic applications, comprising a circuit breaker body (1), characterized in that: The circuit breaker body (1) is provided with multiple mounting holes (2), and screws are provided inside the multiple mounting holes (2). An L-shaped plate (3) is slidably connected to the top of the circuit breaker body (1), and a strip plate (7) is slidably connected to the bottom of the circuit breaker body (1). Multiple circular plates (5) are provided in the middle of the L-shaped plate (3) and the strip plate (7). Multiple rubber rings (4) are provided at equal intervals on the top and front top of the L-shaped plate (3).

2. A circuit breaker for photovoltaic applications according to claim 1, characterized in that: Slide bars (9) are fixedly installed on both sides of the back of the L-shaped plate (3) and both sides of the strip plate (7), and all four slide bars (9) are slidably connected to the slide rails opened on the circuit breaker body (1).

3. A circuit breaker for photovoltaic applications according to claim 1, characterized in that: Each of the circular plates (5) is filled with a filter bag (10), and each of the filter bags (10) is filled with a desiccant.

4. A circuit breaker for photovoltaic applications according to claim 1, characterized in that: The circuit breaker body (1) is provided with a gate plate (6) in the middle, and a square box (8) is fixedly installed at the bottom of the middle part of the circuit breaker body (1).

5. A circuit breaker for photovoltaic applications according to claim 4, characterized in that: Two pressing posts (11) are fixedly installed at the top of the square box (8). The bottom end of the gate (6) is in contact with the two pressing posts (11). The bottom ends of the two pressing posts (11) are respectively fixedly installed with a first pressing switch (12) and a second pressing switch (13).

6. A circuit breaker for photovoltaic applications according to claim 5, characterized in that: A timer (14) and a counter (15) are fixedly installed on the front of the square box (8). The timer (14) and the counter (15) are electrically connected to the first push switch (12) and the second push switch (13), respectively. The first push switch (12) and the second push switch (13) are both electrically connected to the external battery on the square box (8).

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