CN118263709A - Photovoltaic intelligent turn-off device - Google Patents
Photovoltaic intelligent turn-off device Download PDFInfo
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- CN118263709A CN118263709A CN202410672452.8A CN202410672452A CN118263709A CN 118263709 A CN118263709 A CN 118263709A CN 202410672452 A CN202410672452 A CN 202410672452A CN 118263709 A CN118263709 A CN 118263709A
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- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 description 13
- 230000006698 induction Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of photovoltaic circuit equipment, in particular to a photovoltaic intelligent turn-off device, which comprises two groups of butting units, wherein the two groups of butting units are connected into a circuit, and the two groups of butting units are mutually butted to form a conductive path; the butt joint unit comprises a conductive disc, a conductive column and a coil, wherein one end of the conductive column is welded on the conductive disc and is electrically connected with the conductive disc, and the other end of the conductive column is provided with a joint structure through which the conductive column is connected with a circuit; the two conductive plates are automatically separated by utilizing the change of current in the circuit, so that the automatic and quick disconnection of the circuit can be realized, the steps required by circuit disconnection are effectively simplified, the control time is shortened, the timeliness of rescue is improved, and meanwhile, the function can be realized by only using the structure of the coil and the installation mode thereof, the structure is simple, the assembly and the maintenance are convenient, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of photovoltaic circuit equipment, in particular to a photovoltaic intelligent turn-off device.
Background
In photovoltaic power generation, a plurality of photovoltaic modules are connected in series to form a complete power generation group, direct current is converted into alternating current through an inverter and is transmitted to a power grid, so that the electric energy of photovoltaic power generation is utilized, and the electric energy generated by photovoltaic power generation is stronger and can generate direct current of kilovolts.
Disclosure of Invention
In order to solve the technical problems, the invention provides a photovoltaic intelligent turn-off device.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The intelligent photovoltaic turn-off device comprises two groups of butting units, wherein the two groups of butting units are connected into a circuit, and the two groups of butting units are mutually butted to form a conductive path;
The butt joint unit comprises a conductive disc, a conductive column and a coil, wherein one end of the conductive column is welded on the conductive disc and is electrically connected with each other, the other end of the conductive column is provided with a joint structure, the conductive column is connected with a circuit through the joint structure, the coil is sleeved on the outer side of the conductive column, a plurality of insulating frames are arranged on the coil, and the insulating frames are fixed on the conductive disc, so that the coil is supported through the insulating frames;
Wherein the spiral directions of the two coils are opposite.
Preferably, the two ends of the coil are connected by a closed wire, so that the coil and the closed wire form a closed loop, and a protection resistor is arranged on the closed wire.
Preferably, a metal sleeve is arranged on the inner side of the coil, the metal sleeve is sleeved on the conductive column, and the metal sleeve is fixed on the conductive plate through an insulating plate.
Preferably, the docking unit further comprises a moving sleeve, the moving sleeve is positioned at the outer side of the conductive column, the conductive disc is positioned at one end of the moving sleeve, the conductive disc is fixedly connected with the moving sleeve, and the moving sleeve is insulated;
The outer sides of the two movable sleeves are provided with the outer shells in a sealing mode, the ends, far away from the conductive plates, of the movable sleeves penetrate through the outer shells and extend in a sliding mode, the edges are arranged on the outer walls of the movable sleeves, and the movable sleeves can slide on the outer shells in a guiding mode through the edges.
Preferably, a clamping mechanism is arranged in the shell and used for limiting the butt joint positions of the two groups of butt joint units, the clamping mechanism comprises a flat plate horizontally fixed on the inner wall of the shell, the left side and the right side of the flat plate are provided with wire grooves, the directions of the two wire grooves are opposite, the wire grooves are in a V shape, one side of the wire groove, which is close to the middle position of the shell, is longer, and the other side of the wire groove is shorter;
The wire guide device is characterized in that a wire guide rod is fixed on the outer wall of the movable sleeve, the length direction of the wire guide rod is perpendicular to the sliding direction of the movable sleeve, a sliding sleeve is sleeved on the wire guide rod in a sliding mode, the sliding sleeve is connected with the movable sleeve through a first plate spring, a sliding column is arranged on the sliding sleeve, and the sliding column is inserted in a wire guide groove in a sliding mode.
Preferably, the connector structure comprises an insulating cylinder arranged at the other end of the movable sleeve and a conductive cone positioned at the inner side of the insulating cylinder, the conductive cone is fixed on the movable sleeve, the tip end of the conductive cone faces the opening direction of the insulating cylinder, a side pushing mechanism is arranged in the insulating cylinder, when a wire of an external circuit is inserted into the insulating cylinder through the opening of the insulating cylinder, the side pushing mechanism can push the wire to be abutted with the conductive cone, and the tip end of the conductive cone can be extruded into the wire.
Preferably, the insulating cylinder is rotationally connected with the movable sleeve, the side pushing mechanism comprises a movable ring positioned at the inner side of the insulating cylinder, threads are arranged on the inner wall of the insulating cylinder and the outer wall of the movable ring, the insulating cylinder is in threaded connection with the movable ring through threads, a plurality of guide plates are arranged on the movable ring, the movable ring slides on the guide plates, the end parts of the guide plates are fixed on the movable sleeve, and a plurality of pushing posts are fixed on the inner wall of the movable ring;
The insulating cylinder is characterized in that a plurality of sliding plates are arranged on the moving sleeve on the inner side of the insulating cylinder and are distributed annularly around the conductive cone, one end of each sliding plate penetrates through the moving sleeve in a sliding mode and stretches into the moving sleeve, the sliding plate is connected with the moving sleeve through a second plate spring, a supporting seat is fixed to the other end of each sliding plate, a moving frame is arranged on the supporting seat in a sliding mode, the moving frame consists of a horizontal portion, an inclined portion and a vertical portion, the vertical portion is connected with the supporting seat in a sliding mode, and the end portion of each pushing column is mounted on the inclined portion of the moving frame in a sliding mode.
Preferably, the shell is internally provided with a synchronous structure, the synchronous structure is used for enabling two movable sleeves to synchronously move, the synchronous structure consists of two threaded rods with opposite thread directions and a thread bush positioned on each threaded rod, the two threaded rods are in butt joint, the end part of each threaded rod is rotatably arranged in the shell, the thread bush is in threaded fit with the threaded rod, and the thread bush is fixedly connected with the outer wall of the movable sleeve.
Compared with the prior art, the invention has the beneficial effects that: the two conductive plates are automatically separated by utilizing the change of current in the circuit, so that the automatic and quick disconnection of the circuit can be realized, the steps required by circuit disconnection are effectively simplified, the control time is shortened, the timeliness of rescue is improved, and meanwhile, the function can be realized by only using the structure of the coil and the installation mode thereof, the structure is simple, the assembly and the maintenance are convenient, and the safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1;
FIG. 3 is an enlarged schematic view of the docking unit of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic diagram of the right-hand structure of FIG. 4;
FIG. 6 is an enlarged schematic view of the shift ring of FIG. 4;
FIG. 7 is an enlarged schematic view of the movable frame of FIG. 6;
FIG. 8 is an enlarged schematic view of the guide rod and runner of FIG. 2;
The reference numerals in the drawings: 1. a conductive plate; 2. a conductive post; 3. a coil; 4. an insulating frame; 5. closing the wire; 6. a protection resistor; 7. a metal sleeve; 8. moving the sleeve; 9. a housing; 10. a flat plate; 11. a wire groove; 12. a wire rod; 13. a sliding sleeve; 14. a first leaf spring; 15. an insulating cylinder; 16. a conductive cone; 17. a moving ring; 18. a guide plate; 19. pushing a column; 20. a slide plate; 21. a support base; 22. a second leaf spring; 23. a moving rack; 24. a threaded rod; 25. and (5) a threaded sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. This example was written in a progressive manner.
As shown in fig. 1 to 4, the photovoltaic intelligent turn-off device of the present invention includes two groups of docking units, the two groups of docking units are connected into a circuit, and the two groups of docking units are mutually docked and form a conductive path;
The butt joint unit comprises a conductive disc 1, a conductive column 2 and a coil 3, wherein one end of the conductive column 2 is welded on the conductive disc 1 and is electrically connected with each other, the other end of the conductive column 2 is provided with a joint structure, the conductive column 2 is connected with a circuit through the joint structure, the coil 3 is sleeved outside the conductive column 2, a plurality of insulating frames 4 are arranged on the coil 3, and the insulating frames 4 are fixed on the conductive disc 1, so that the coil 3 is supported through the insulating frames 4;
wherein the spiral directions of the two coils 3 are opposite.
Specifically, in the circuit is connected to the two groups of docking units, when the two groups of docking units are in docking, the circuit normally transmits electric energy, when the two groups of docking units are separated, the circuit is disconnected and the disconnection function of the disconnection device is realized, when the two groups of docking units are in docking, the two conductive plates 1 are in mutual abutting connection, at this time, the circuit transmits electric energy through the joint structure, the conductive columns 2 and the conductive plates 1, the coil 3 is a closed circuit, the circuit transmitted by the conductive columns 2 is a direct current, so that the magnetic field generated around the circuit is a stable magnetic field, the magnetic induction wires are not cut inside the coil 3, and the circuit is generated, when phenomena such as short circuit and fire disaster occur in the circuit, the magnetic field around the conductive columns 2 also changes drastically due to sudden change of the current, stronger induction current is generated inside the coil 3, and larger magnetic force is generated on the coil 3, and the magnetic force generated on the two coils 3 is repulsive force is generated due to opposite spiral directions, namely, the two coils 3 can push the two conductive plates 1 to separate mutually and quickly, and the two conductive plates 1 are disconnected quickly, and the circuit is disconnected quickly, so that the circuit is opened.
Since the coil 3 is sleeved on the conductive post 2, in theory of induced current, as long as the section of the coil 3 forms an included angle with the direction of the magnetic field generated on the conductive post 2, when the magnetic field changes, the induced current will be generated inside the coil 3, in practice, as long as a closed loop wire is placed in the changing magnetic field, an induced circuit will be generated inside the wire, when the current in the conductive post 2 changes, the induced current will be generated inside the coil 3, and when the induced current flows in the coil 3, a magnetic field will be generated around the coil 3, and the two conductive plates 1 can be quickly pushed to separate by the repulsive force of the magnetic field.
The two conducting plates 1 are automatically separated by utilizing the change of current in the circuit, so that the automatic and quick disconnection of the circuit can be realized, the steps required by circuit disconnection are effectively simplified, the control time is shortened, the timeliness of rescue is improved, and meanwhile, the function can be realized by only using the structure of the coil 3 and the mounting mode thereof, the structure is simple, the assembly and the maintenance are convenient, and the safety is improved.
Preferably, as shown in fig. 4, both ends of the coil 3 are connected by a closed wire 5, thereby forming a closed loop between the coil 3 and the closed wire 5, and a protection resistor 6 is provided on the closed wire 5.
Specifically, the two ends of the coil 3 are connected through the closed conducting wire 5, so that the coil 3 can form a closed loop, an induction circuit can conveniently flow in the coil 3 and the closed conducting wire 5, meanwhile, the coil 3 and the closed conducting wire 5 can be conveniently protected through the arrangement of the protection resistor 6, when only the coil 3 and the closed conducting wire 5 are prevented from being arranged, a circuit formed by the coil 3 and the closed conducting wire 5 is in a short circuit state, and thus the burning phenomenon caused by overlarge induction current of the coil 3 and the closed conducting wire 5 is avoided.
Preferably, as shown in fig. 4, a metal sleeve 7 is disposed on the inner side of the coil 3, the metal sleeve 7 is sleeved on the conductive post 2, and the metal sleeve 7 is fixed on the conductive plate 1 through an insulating plate.
Specifically, by providing the metal sleeve 7, the magnetic field formed inside the coil 3 can be enhanced, thereby improving the strength of the electromagnetic repulsive force and the speed of separation of the two conductive plates 1.
Preferably, as shown in fig. 1 to 2, the docking unit further includes a moving sleeve 8, the moving sleeve 8 is located at the outer side of the conductive post 2, the conductive plate 1 is located at one end of the moving sleeve 8, and the conductive plate 1 is fixedly connected with the moving sleeve 8, and the moving sleeve 8 is insulated;
The outer sides of the two movable sleeves 8 are provided with the outer shell 9 in a sealing mode, the end portions, far away from the conductive plates 1, of the movable sleeves 8 penetrate through the outer shell 9 and extend in a sliding mode, edges are arranged on the outer walls of the movable sleeves 8, and the movable sleeves 8 can slide on the outer shell 9 in a guiding mode through the edges.
Specifically, the moving sleeve 8 can protect and insulate the conductive column 2 and the structure thereon, the housing 9 can support the two moving sleeves 8, when the two sets of docking units are separated, the moving sleeve 8 slides on the housing 9, and the two conductive plates 1 are separated from each other, so that an arc cannot be generated between the two conductive plates 1 of the disconnecting circuit due to voltage, and in the conventional circuit disconnecting mode, the arc can be generated due to the fact that the distance between the two electrodes is relatively short, and thus partial current continues to be transmitted, and the danger is relatively high.
Preferably, as shown in fig. 2 and 8, a clamping mechanism is disposed in the housing 9, the clamping mechanism is used for limiting the butt joint positions of the two groups of butt joint units, the clamping mechanism comprises a flat plate 10 horizontally fixed on the inner wall of the housing 9, the left side and the right side of the flat plate 10 are provided with wire grooves 11, the directions of the two wire grooves 11 are opposite, the shape of the wire groove 11 is V-shaped, and one side of the wire groove 11, which is close to the middle position of the housing 9, is longer, and the other side is shorter;
The wire guide rod 12 is fixed on the outer wall of the movable sleeve 8, the length direction of the wire guide rod 12 is perpendicular to the sliding direction of the movable sleeve 8, a sliding sleeve 13 is sleeved on the wire guide rod 12 in a sliding mode, the sliding sleeve 13 is connected with the movable sleeve 8 through a first plate spring 14, a sliding column is arranged on the sliding sleeve 13, and the sliding column is inserted in the wire guide groove 11 in a sliding mode.
Specifically, the wire groove 11 guides the sliding column on the sliding sleeve 13, when the wire groove 11 is opened towards the moving sleeve 8, and when the two conductive plates 1 are butted, the sliding column is located at the shorter side of the wire groove 11, at this time, due to the elastic pushing force provided by the first plate spring 14 to the sliding sleeve 13, the two moving sleeves 8 are pressed and pushed to be close to each other by the inclined side on the wire groove 11, so that the two conductive plates 1 are tightly attached, when the two conductive plates 1 are separated by repulsive force, the moving sleeves 8 overcome the elastic force of the first plate spring 14 and push the sliding column to slide in the wire groove 11, at this time, the sliding column slides to the other side by one side of the wire groove 11, and due to the shape limitation of the wire groove 11, when the sliding column passes through the shortest distance point between the wire groove 11 and the moving sleeve 8, the elastic pushing force of the first plate spring 14 can be provided for the two moving sleeves 8, at this time, so that the two moving sleeves 8 are separated, when the sliding column slides in the groove 11, the distance between the sliding column and the moving sleeve 8 is changed, and the sliding column is driven by the sliding rod 12 on the wire rod 12.
Preferably, as shown in fig. 4 to 6, the connector structure includes an insulating cylinder 15 mounted on the other end of the moving sleeve 8 and a conductive cone 16 located inside the insulating cylinder 15, the conductive cone 16 is fixed on the moving sleeve 8, the tip of the conductive cone 16 faces the opening direction of the insulating cylinder 15, a side pushing mechanism is provided in the insulating cylinder 15, when a wire of an external circuit is inserted into the insulating cylinder 15 through the opening of the insulating cylinder 15, the side pushing mechanism can push the wire to abut against the conductive cone 16, and the tip of the conductive cone 16 can be extruded into the wire.
Specifically, the conductive cone 16 is electrically connected with the conductive post 2, when the conductive post 2 is required to be connected with an external wire through the joint structure, the wire end of the external wire can be inserted into the insulating cylinder 15 through the opening of the insulating cylinder 15, the wire end is in contact with the conductive cone 16, the tip of the conductive cone 16 is extruded into the wire, so that the wire is connected with the conductive cone 16, and the side pushing mechanism can push the guide to be in close contact with the conductive cone 16, thereby not only fixing the wire, but also improving the connection strength of the wire and the conductive cone 16, and protecting the connection position of the wire and the conductive cone 16 by the insulating cylinder 15.
Preferably, as shown in fig. 5 to 7, the insulating cylinder 15 is rotatably connected with the moving sleeve 8, the side pushing mechanism comprises a moving ring 17 positioned at the inner side of the insulating cylinder 15, threads are arranged on the inner wall of the insulating cylinder 15 and the outer wall of the moving ring 17, the insulating cylinder 15 is in threaded connection with the moving ring 17 through threads, a plurality of guide plates 18 are arranged on the moving ring 17, the moving ring 17 slides on the guide plates 18, the end parts of the guide plates 18 are fixed on the moving sleeve 8, and a plurality of pushing columns 19 are fixed on the inner wall of the moving ring 17;
The movable sleeve 8 on the inner side of the insulating cylinder 15 is provided with a plurality of sliding plates 20, the sliding plates 20 are distributed annularly around the conductive cone 16, one end of each sliding plate 20 penetrates through the movable sleeve 8 in a sliding mode and stretches into the movable sleeve 8, the sliding plates 20 are connected with the movable sleeve 8 through second plate springs 22, the other end of each sliding plate 20 is fixedly provided with a supporting seat 21, the supporting seats 21 are provided with movable frames 23 in a sliding mode, each movable frame 23 consists of a horizontal portion, an inclined portion and a vertical portion, the vertical portion is connected with the supporting seat 21 in a sliding mode, and the end portions of the pushing columns 19 are mounted on the inclined portions of the movable frames 23 in a sliding mode.
Specifically, the horizontal part of the moving frame 23 is used for extruding the wire, the inclined part is used for driving the moving frame 23 to move by pushing the pushing post 19, the vertical part is used for being connected with the supporting seat 21, when the wire is inserted between the moving frames 23 in the insulating cylinder 15, the insulating cylinder 15 is rotated, the insulating cylinder 15 pushes the moving ring 17 to slide on the guide plate 18 through threads on the insulating cylinder, the guide plate 18 guides the moving ring 17, at the moment, due to the effect of the second plate spring 22 on the sliding plate 20, the sliding plate 20 cannot move, the moving ring 17 pushes the horizontal parts of the moving frames 23 to be close to each other by pushing the inclined parts on the pushing post 19 and the moving frames 23 and extrudes and fixes the wire between the horizontal parts by pushing the pushing post 19 and the moving frames 23, when the extrusion force reaches a specified value, the elastic force of the second plate spring 22 overcomes the elastic force and pushes the moving frames 23 to move the moving frames 23 horizontally along with the moving ring 17 synchronously, the moving frames 23 move the wire towards the direction of the conductive cone 16 while clamping the wire, so that the tip of the conductive cone 16 extrudes the wire into the wire, and the conductive cone 16 is connected.
By adopting the joint structure, when the conductive cone 16 and the lead are connected, the insulating cylinder 15 is only required to be rotated, the operation mode is simple, and the tight connection between the lead and the conductive cone 16 can be realized by means of the structural form of the conductive cone 16, so that the connection firmness is improved.
Preferably, as shown in fig. 2, a synchronization structure is disposed in the casing 9, and the synchronization structure is used for enabling the two moving sleeves 8 to move synchronously, the synchronization structure is composed of two threaded rods 24 with opposite threads and a threaded sleeve 25 located on each threaded rod 24, the two threaded rods 24 are in butt joint, the end parts of the threaded rods 24 are rotatably mounted in the casing 9, the threaded sleeve 25 is in threaded fit with the threaded rods 24, and the threaded sleeve 25 is fixedly connected with the outer wall of the moving sleeve 8.
In particular, when the two threaded rods 24 rotate synchronously, the two threaded rods 24 push the two threaded sleeves 25 synchronously towards or away from each other, thereby achieving the effect of synchronous movement of the two moving sleeves 8 and in such a way as to define the abutment position of the two conductive plates 1.
In practical use, the threaded rod 24 and the threaded sleeve 25 can be used by adopting structures with higher sensitivity, such as a lead screw, a roller screw sleeve and the like.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (4)
1. The intelligent photovoltaic turn-off device is characterized by comprising two groups of butting units, wherein the two groups of butting units are connected into a circuit, and the two groups of butting units are mutually butted to form a conductive path;
the butt joint unit comprises a conductive disc (1), a conductive column (2) and a coil (3), wherein one end of the conductive column (2) is welded on the conductive disc (1) and is electrically connected with each other, the other end of the conductive column (2) is provided with a joint structure, the conductive column (2) is connected with a circuit through the joint structure, the coil (3) is sleeved on the outer side of the conductive column (2), a plurality of insulating frames (4) are arranged on the coil (3), and the insulating frames (4) are fixed on the conductive disc (1), so that the coil (3) is supported through the insulating frames (4);
Wherein the spiral directions of the two coils (3) are opposite;
The two ends of the coil (3) are connected through a closed wire (5), so that the coil (3) and the closed wire (5) form a closed loop, and a protection resistor (6) is arranged on the closed wire (5);
The inner side of the coil (3) is provided with a metal sleeve (7), the metal sleeve (7) is sleeved on the conductive column (2), and the metal sleeve (7) is fixed on the conductive disc (1) through an insulating disc;
the butt joint unit further comprises a movable sleeve (8), the movable sleeve (8) is positioned at the outer side of the conductive column (2), the conductive disc (1) is positioned at one end of the movable sleeve (8), the conductive disc (1) is fixedly connected with the movable sleeve (8), and the movable sleeve (8) is insulated;
The outer sides of the two movable sleeves (8) are sealed with a shell (9), the end parts of the movable sleeves (8) far away from the conductive plates (1) penetrate through the shell (9) and extend in a sliding manner, the outer walls of the movable sleeves (8) are provided with edges, and the edges can play a role in guiding the sliding of the movable sleeves (8) on the shell (9);
The device is characterized in that a clamping mechanism is arranged in the shell (9) and used for limiting the butt joint positions of two groups of butt joint units, the clamping mechanism comprises a flat plate (10) horizontally fixed on the inner wall of the shell (9), wire grooves (11) are formed in the left side and the right side of the flat plate (10), the directions of the two wire grooves (11) are opposite, the shape of the wire groove (11) is V-shaped, and one side of the wire groove (11) close to the middle position of the shell (9) is longer, and the other side of the wire groove is shorter;
The wire guide device is characterized in that a wire guide rod (12) is fixed on the outer wall of the movable sleeve (8), the length direction of the wire guide rod (12) is perpendicular to the sliding direction of the movable sleeve (8), a sliding sleeve (13) is sleeved on the wire guide rod (12) in a sliding mode, the sliding sleeve (13) is connected with the movable sleeve (8) through a first plate spring (14), a sliding column is arranged on the sliding sleeve (13), and the sliding column is inserted in the wire guide groove (11) in a sliding mode.
2. A photovoltaic intelligent shut-off device according to claim 1, characterized in that the joint structure comprises an insulating cylinder (15) arranged at the other end of the movable sleeve (8) and a conductive cone (16) arranged on the inner side of the insulating cylinder (15), the conductive cone (16) is fixed on the movable sleeve (8), the tip of the conductive cone (16) faces the opening direction of the insulating cylinder (15), a side pushing mechanism is arranged in the insulating cylinder (15), when a wire of an external circuit is inserted into the insulating cylinder (15) through the opening of the insulating cylinder (15), the side pushing mechanism can push the wire to be abutted with the conductive cone (16), and the tip of the conductive cone (16) can be extruded into the wire.
3. The intelligent photovoltaic shut-off device according to claim 2, wherein the insulating cylinder (15) is rotationally connected with the movable sleeve (8), the side pushing mechanism comprises a movable ring (17) positioned on the inner side of the insulating cylinder (15), threads are arranged on the inner wall of the insulating cylinder (15) and the outer wall of the movable ring (17), the insulating cylinder (15) is in threaded connection with the movable ring (17) through threads, a plurality of guide plates (18) are arranged on the movable ring (17), the movable ring (17) slides on the guide plates (18), the end parts of the guide plates (18) are fixed on the movable sleeve (8), and a plurality of pushing posts (19) are fixed on the inner wall of the movable ring (17);
Be equipped with a plurality of slide (20) on the inboard removal sleeve (8) of insulating cylinder (15), a plurality of slide (20) are annular around conductive cone (16) and distribute, the one end slip of slide (20) passes removal sleeve (8) and stretches into in removal sleeve (8), slide (20) are connected through second leaf spring (22) with removal sleeve (8), the other end of slide (20) is fixed with supporting seat (21), the slip is equipped with on supporting seat (21) and removes frame (23), wherein remove frame (23) by horizontal part, incline part and vertical part constitution, and vertical part and supporting seat (21) sliding connection, the tip slidable mounting of pushing jack (19) is on the incline part of removing frame (23).
4. A photovoltaic intelligent shut-off device according to claim 3, characterized in that a synchronizing structure is arranged in the housing (9), the synchronizing structure is used for synchronizing the two moving sleeves (8), the synchronizing structure consists of two threaded rods (24) with opposite screw thread directions and a threaded sleeve (25) positioned on each threaded rod (24), the two threaded rods (24) are in butt joint, the end parts of the threaded rods (24) are rotatably arranged in the housing (9), the threaded sleeves (25) are sleeved on the threaded rods (24), and the threaded sleeves (25) are fixedly connected with the outer wall of the moving sleeve (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410672452.8A CN118263709B (en) | 2024-05-28 | 2024-05-28 | Photovoltaic intelligent turn-off device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410672452.8A CN118263709B (en) | 2024-05-28 | 2024-05-28 | Photovoltaic intelligent turn-off device |
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| CN118263709A true CN118263709A (en) | 2024-06-28 |
| CN118263709B CN118263709B (en) | 2024-09-27 |
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| CN202410672452.8A Active CN118263709B (en) | 2024-05-28 | 2024-05-28 | Photovoltaic intelligent turn-off device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302764A1 (en) * | 2007-06-05 | 2008-12-11 | Cooper Technologies Company | Contact backing for a vacuum interrupter |
| CN107644748A (en) * | 2017-10-13 | 2018-01-30 | 辽宁金立电力电器有限公司 | Air reactor shunting switch |
| CN109217035A (en) * | 2018-09-17 | 2019-01-15 | 长沙秋点兵信息科技有限公司 | High-safety power-off mechanism for electronic appliance |
-
2024
- 2024-05-28 CN CN202410672452.8A patent/CN118263709B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302764A1 (en) * | 2007-06-05 | 2008-12-11 | Cooper Technologies Company | Contact backing for a vacuum interrupter |
| CN107644748A (en) * | 2017-10-13 | 2018-01-30 | 辽宁金立电力电器有限公司 | Air reactor shunting switch |
| CN109217035A (en) * | 2018-09-17 | 2019-01-15 | 长沙秋点兵信息科技有限公司 | High-safety power-off mechanism for electronic appliance |
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| CN118263709B (en) | 2024-09-27 |
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