Hot melting type circuit rapid cutting-off system for photovoltaic power station

Abstract

The utility model belongs to the technical field of power transformation and distribution equipment, and particularly relates to a hot melt type circuit rapid cut-off system for a photovoltaic power station, which comprises a control module, a fixing module arranged on the periphery of the top of the control module, a starting module arranged on the top of the control module, and hot aerosol arranged on the top of the starting module. A storage module is arranged at the top of the hot aerosol, a release module is arranged at the top of the storage module, and the conducting strip penetrates through and is fixedly connected to the side face of the fixing module; an anti-adhesion device is arranged on the side face of the fixing module and comprises a motor. According to the utility model, the problems that the resistance is increased and the efficiency of a system is obviously reduced due to the increase of the resistance when high-temperature particles are attached to the surface of the current-conducting plate and bad contact points are formed by the particles are solved, so that the stability and the safety of a circuit and electronic equipment are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power distribution equipment, specifically relates to a hot melt type circuit quick cut-off system for photovoltaic power station. BACKGROUND

[0002] The hot melt type circuit quick cut-off system for photovoltaic power station is a safety protection device, mainly used for quickly cutting off the circuit when the photovoltaic system fails, preventing equipment damage or fire. The system works through the principle of hot melt fuse, when the current is too large or short circuit occurs, the metal in the fuse melts, automatically cutting off the current, ensuring the safety of the power station equipment. The hot melt type cut-off system is simple in structure and fast in response, widely used in the direct current loop of photovoltaic power station, effectively ensuring the stable operation and safety of the system.

[0003] The patent with the patent publication number CN218996519U discloses a built-in hot melt type cut-off protection device for power transformer, comprising a porcelain bottle, a sealing ring is arranged at the top end of the porcelain bottle, a magnetic gland is arranged at the top end of the sealing ring, a compression nut is arranged at the top end of the magnetic gland, a conductive rod is arranged at the top end of the compression nut, a first fixing screw is arranged at the top end of the conductive rod, a gasket is arranged at the top end of the first fixing screw, and a first fixing screw is arranged at the top end of the gasket. In the utility model, the power transformer overheat fuse protection device adopts the above structure, high voltage side power supply is introduced from the conductive rod, passes through the first connecting wire, the overcurrent fuse section, the second connecting wire terminal block and enters the transformer, when the transformer overload degree exceeds the allowable value, the overcurrent fuse section is disconnected, and the operation of the transformer is stopped; the wiring sleeve bottom ring seat is inserted below the transformer upper cover and immersed in the transformer heat conducting oil.

[0004] However, the current cut-off system has the following problems: when high temperature particles adhere to the surface of the conductive plate, these particles will form a poor contact point, which will increase the resistance, and the increase of the resistance will significantly reduce the efficiency of the system, therefore, we propose a hot melt type circuit quick cut-off system for photovoltaic power station. Utility model content

[0005] The utility model aims to provide a hot melt type circuit quick cut-off system for photovoltaic power station, which can solve the problem of increasing resistance when high temperature particles adhere to the surface of the conductive plate in related technology, which will increase the resistance, and the increase of the resistance will significantly reduce the efficiency of the system.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The utility model relates to a kind of hot melt type circuit quick cut-off system for photovoltaic power station, including control module, the top of the control module is provided with fixed module around, the top of the control module is provided with starting module, the top of the starting module is provided with hot aerosol, the top of the hot aerosol is provided with storage module, the top of the storage module is provided with release module, the conducting sheet is fixedly connected on the side of fixed module through penetration,;

[0008] The side of the fixed module is provided with an anti-adhesion device, the side of the motor is fixedly connected to the side of the fixed module, the output shaft of the motor is fixedly connected with a threaded rod, the threaded rod is threadedly connected with a threaded sleeve on the circumferential surface thereof, the top of the threaded sleeve is fixedly connected with a scraper, the side of the threaded sleeve is fixedly connected with a connecting plate, the top of the connecting plate is slidably connected with a collection box, the inner wall of the fixed module is fixedly connected with a fixed rod, and the threaded sleeve is slidably connected to the circumferential surface of the fixed rod through penetration.

[0009] The side of the fixed module is provided with a knocking device, the side of the short plate is fixedly connected to the side of the fixed module, the bottom of the short plate is rotatably connected with a rotating rod, the bottom of the rotating rod is fixedly connected with a bevel gear one, the end of the threaded rod away from the motor is fixedly connected with a bevel gear two, the bevel gear one is engaged with the bevel gear two, the circumferential surface of the rotating rod is fixedly connected with a rotating plate, the side of the fixed module is provided with a notch, the inner wall of the notch is slidably connected with a connecting rod, the end of the connecting rod away from the notch is fixedly connected with a U-shaped plate, the outer wall of the U-shaped plate is fixedly connected with a plurality of knocking rods, and a spring is arranged between the side of the connecting rod and the inner wall of the notch.

[0010] A gap is arranged between the rotating plate and the fixed module, and the scraper is located on the movement track of the knocking rod.

[0011] The end of the rotating plate away from the rotating rod is designed as an arc surface, and the end of the connecting rod away from the notch is designed as an arc surface.

[0012] The connecting rod is located on the movement track of the rotating plate, and a gap is arranged between the bevel gear one and the U-shaped plate.

[0013] The collection box is located below the scraper, and the scraper is in contact with the conducting sheet.

[0014] A gap is arranged between the U-shaped plate and the conducting sheet, and a gap is arranged between the rotating plate and the conducting sheet.

[0015] The utility model achieves the following technical effects:

[0016] The utility model discloses through the setting of anti -adhesion device, make motor, threaded rod, threaded bush, scraper, connecting plate, collection box, fixed link cooperation, threaded bush moves to the left and drives the scraper to move to the left, and the movement of scraper can remove the sol particle on the surface of conductive sheet, avoid sol particle adhesion on the surface of conductive sheet and cause resistance increase, and threaded bush moves to the left and drives connecting plate to move to the left, and connecting plate moves to the left and drives collection box to move to the left, and collection box moves to the left and can collect the sol particle cleaned by scraper, avoid causing circuit blockage.

[0017] The utility model discloses through the setting of knocking device, make short board, swivel, bevel gear no. 1, bevel gear no. 2, rotary board, notched, connecting rod, U plate, knock stick, spring, square hole cooperation, when rotary board passes connecting rod completely, spring resets through self elastic force to drive connecting rod, U plate, knock stick reset to make knock stick knock scraper, avoid sol particle adhesion on the surface of scraper, cause cleaning effect to reduce. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the schematic diagram of the whole utility model;

[0019] Figure 2 It is the schematic diagram of the structure of anti -adhesion device of the utility model;

[0020] Figure 3 It is the schematic diagram of the structure of knocking device of the utility model;

[0021] Figure 4 It is the schematic diagram of the structure of the utility model Figure 3 A place of the utility model;

[0022] Figure 5 It is the schematic diagram of the structure of knock stick of the utility model.

[0023] In the drawings, the component list that each sign represents is as follows:

[0024] 1, control module;2, fixed module;3, start module;4, hot gas sol;5, storage module;6, release module;7, conductive sheet;8, anti -adhesion device;81, motor;82, threaded rod;83, threaded bush;84, scraper;85, connecting plate;86, collection box;87, fixed link;9, knock device;91, short board;92, swivel;93, bevel gear no. 1;94, bevel gear no. 2;95, rotary board;96, notched;97, connecting rod;98, U plate;99, knock stick;910, spring;911, square hole. DETAILED DESCRIPTION

[0025] In order to make the purpose and advantages of the utility model more clearly, the following will make specific description of the utility model with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model.

[0026] As Figures 1-5 Indicated, a kind of hot melt type circuit quick cut-off system for photovoltaic power station, including control module 1, control module 1 is composed of display screen, CPU, output interface, input interface, control module 1 is used to control the start of starting module 3, the top of control module 1 is provided with fixed module 2, fixed module 2 is composed of support and frame, quick cut-off system is installed in photovoltaic system circuit by fixed module 2, the top of control module 1 is provided with starting module 3, starting module 3 is composed of starting switch, relay, overload protection, soft starter, power module, display indication, starting module 3 is used to ignite hot aerosol 4, the top of starting module 3 is provided with hot aerosol 4, the top of hot aerosol 4 is provided with storage module 5, storage module 5 is composed of storage medium, controller, cache interface, storage module 5 is used for the role of data storage, record and management, ensure that system can effectively track and recover fault history, the top of storage module 5 is provided with release module 6, release module 6 is composed of fuse, trigger, control circuit, guide pipe, indicator light and alarm, release module 6 is used to spray hot aerosol 4 combustion high-temperature particles and gas to the connecting wire of photovoltaic system, conducting strip 7 is fixedly connected on the side of fixed module 2 and penetrates;

[0027] The side of fixed module 2 is provided with anti-adhesion device 8, anti-adhesion device 8 includes motor 81, the side of motor 81 is fixedly connected on the side of fixed module 2, the output shaft of motor 81 is fixedly connected with threaded rod 82, threaded rod 82 is threadedly connected with threaded sleeve 83 on the circumferential surface, the top of threaded sleeve 83 is fixedly connected with scraper 84, the surface of conducting strip 7 is cleaned by scraper 84, to avoid sol adhesion, the side of threaded sleeve 83 is fixedly connected with connecting plate 85, the top of connecting plate 85 is slidably connected with collecting box 86, and the sol particles cleaned by scraper 84 can be collected in collecting box 86;The inner wall of fixed module 2 is fixedly connected with fixed rod 87, fixed rod 87 limits the rotation of threaded sleeve 83, so that it moves left and right, threaded sleeve 83 penetrates and is slidably connected on the circumferential surface of fixed rod 87;

[0028] Collecting box 86 is located below scraper 84, scraper 84 is in contact with conducting strip 7, and the surface of conducting strip 7 can be cleaned by scraper 84, so that sol particles are prevented from adhering to the surface of conducting strip 7 to increase resistance;

[0029] The gap is arranged between the U-shaped plate 98 and the conductive sheet 7, so as to avoid the collision between the U-shaped plate 98 and the conductive sheet 7 in the moving process, and to avoid the structure damage; the gap is arranged between the rotating plate 95 and the conductive sheet 7;

[0030] According to the above structure, in the working process, the control module 1 transmits the starting signal to the corresponding circuit cutting device, the starting module 3 of the device acts immediately, ignites the hot gas aerosol 4, the hot gas aerosol 4 burns to generate high-temperature particles and gas, and sprays the particles and gas to the conductive sheet 7 through the releasing module 6, so as to quickly melt the circuit, thereby reducing the direct current high voltage of the photovoltaic system to below the safe voltage, and protecting the safety of the fire rescue personnel; the motor 81 is started, the rotation of the output shaft of the motor 81 drives the rotation of the threaded rod 82, the rotation of the threaded rod 82 drives the left movement of the threaded sleeve 83, the left movement of the threaded sleeve 83 drives the left movement of the scraper 84, the movement of the scraper 84 can clean the aerosol particles on the surface of the conductive sheet 7, so as to avoid the aerosol particles adhering to the surface of the conductive sheet 7 to cause the resistance to increase; meanwhile, the left movement of the threaded sleeve 83 drives the left movement of the connecting plate 85, the left movement of the connecting plate 85 drives the left movement of the collecting box 86, and the left movement of the collecting box 86 can collect the aerosol particles cleaned by the scraper 84, so as to avoid causing the circuit to be blocked.

[0031] As shown in Figures 1-5 The side surface of the fixed module 2 is provided with a knocking device 9, the knocking device 9 includes a short plate 91, the side surface of the short plate 91 is fixedly connected to the side surface of the fixed module 2, the bottom of the short plate 91 is rotatably connected with a rotating rod 92, the bottom of the rotating rod 92 is fixedly connected with a bevel gear one 93, the end of the threaded rod 82 away from the motor 81 is fixedly connected with a bevel gear two 94, the bevel gear one 93 is engaged with the bevel gear two 94, and a vertical rotation force is given to the rotating rod 92, so that the rotating rod 92 can rotate, the circumferential surface of the rotating rod 92 is fixedly connected with a rotating plate 95, the side surface of the fixed module 2 is provided with a slot 96, the inner wall of the slot 96 is slidably connected with a connecting rod 97, the end of the connecting rod 97 away from the slot 96 is fixedly connected with a U-shaped plate 98, the outer wall of the U-shaped plate 98 is fixedly connected with a plurality of knocking rods 99, the side surface of the connecting rod 97 and the inner wall of the slot 96 are provided with a spring 910, and the side surface of the fixed module 2 is provided with a square hole 911, so that the scraper 84 and the collecting box 86 can be conveniently observed and replaced;

[0032] The rotating plate 95 and the fixed module 2 are provided with a gap, the scraper 84 is located on the movement track of the knocking rod 99, and the knocking rod 99 can knock the scraper 84 to avoid the aerosol particles adhering to the scraper 84 to cause the cleaning quality to decrease;

[0033] The end of the rotating plate 95 away from the rotating rod 92 is designed as an arc surface, and the end of the connecting rod 97 away from the slot 96 is designed as an arc surface, so that the connecting rod 97 can pass through better, and abrasion caused by sharp collision of the traditional plate is avoided;

[0034] The connecting rod 97 is located on the movement track of the rotating plate 95, and the connecting rod 97 is combined with the rotating plate 95 and can make the U-shaped plate 98 do reciprocating knocking movement under the action of the spring 910, so as to clean the scraper 84; and the bevel gear one 93 is provided with a gap with the U-shaped plate 98.

[0035] According to the above structure, the rotation of the threaded rod 82 drives the rotation of the bevel gear two 94, the rotation of the bevel gear two 94 drives the rotation of the bevel gear one 93, the rotation of the bevel gear one 93 drives the rotation of the rotating rod 92, the rotation of the rotating rod 92 drives the rotation of the rotating plate 95, the rotating plate 95 abuts against the arc surface of the connecting rod 97 in the rotating process, so that the connecting rod 97 moves to the right, the connecting rod 97 moves to the right and drives the U-shaped plate 98 to move to the right, the U-shaped plate 98 moves to the right and drives the knocking rod 99 to move to the right, and the U-shaped plate 98 moves to the right at the same time, so that the spring 910 is compressed; when the rotating plate 95 completely passes through the connecting rod 97, the spring 910 is reset through the elastic force of the spring 910, so as to drive the connecting rod 97, the U-shaped plate 98 and the knocking rod 99 to reset, so that the knocking rod 99 knocks the scraper 84, avoids that the sol particles are adhered to the surface of the scraper 84, and reduces the cleaning effect.

[0036] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A hot melt type circuit fast cutting system for photovoltaic power stations, comprising a control module (1), a fixing module (2) is arranged around the top of the control module (1), a starting module (3) is arranged on the top of the control module (1), a hot gas aerosol (4) is arranged on the top of the starting module (3), a storage module (5) is arranged on the top of the hot gas aerosol (4), a release module (6) is arranged on the top of the storage module (5), and a conductive sheet (7) penetrates through and is fixedly connected on the side of the fixing module (2). characterized in that A side of the fixing module (2) is provided with an anti-adhesion device (8), the anti-adhesion device (8) comprises a motor (81), the side of the motor (81) is fixedly connected on the side of the fixing module (2), the output shaft of the motor (81) is fixedly connected with a threaded rod (82), the circumferential surface of the threaded rod (82) is threadedly connected with a threaded sleeve (83), the top of the threaded sleeve (83) is fixedly connected with a scraper (84), the side of the threaded sleeve (83) is fixedly connected with a connecting plate (85), the top of the connecting plate (85) is slidably connected with a collecting box (86), the inner wall of the fixing module (2) is fixedly connected with a fixing rod (87), and the threaded sleeve (83) penetrates through and is slidably connected on the circumferential surface of the fixing rod (87). A side of the fixing module (2) is provided with a knocking device (9), the knocking device (9) comprises a short plate (91), the side of the short plate (91) is fixedly connected on the side of the fixing module (2), the bottom of the short plate (91) is rotatably connected with a rotating rod (92), the bottom of the rotating rod (92) is fixedly connected with a bevel gear one (93), the end, away from the motor (81), of the threaded rod (82) is fixedly connected with a bevel gear two (94), the bevel gear one (93) is engaged with the bevel gear two (94), the circumferential surface of the rotating rod (92) is fixedly connected with a rotating plate (95), the side of the fixing module (2) is provided with a notch (96), the inner wall of the notch (96) is slidably connected with a connecting rod (97), the end, away from the notch (96), of the connecting rod (97) is fixedly connected with a U-shaped plate (98), the outer wall of the U-shaped plate (98) is fixedly connected with a plurality of knocking rods (99), and the side of the connecting rod (97) and the inner wall of the notch (96) are provided with springs (910), and the side of the fixing module (2) is provided with a square hole (911).

2. The hot-melt type circuit fast cutting system for a photovoltaic power station according to claim 1, characterized in that: A gap is arranged between the rotating plate (95) and the fixing module (2), and the scraper (84) is located on the movement track of the knocking rod (99).

3. The hot-melt type circuit fast cutting system for a photovoltaic power station according to claim 1, characterized in that: The end, away from the rotating rod (92), of the rotating plate (95) is designed as an arc surface, and the end, away from the notch (96), of the connecting rod (97) is designed as an arc surface.

4. The hot-melt type circuit fast cutting system for a photovoltaic power station according to claim 1, characterized in that: The connecting rod (97) is located on the movement track of the rotating plate (95), and a gap is arranged between the bevel gear one (93) and the U-shaped plate (98).

5. The hot-melt type circuit fast cutting system for a photovoltaic power station according to claim 4, characterized in that: The collecting box (86) is located below the scraper (84), and the scraper (84) is in contact with the conductive sheet (7).

6. The hot-melt type circuit fast cutting system for a photovoltaic power station according to claim 4, characterized in that: The U-shaped plate (98) is provided with a gap between the conductive sheet (7), and the rotating plate (95) is provided with a gap between the conductive sheet (7).

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