CN117118349A - Burn-out prevention junction box in photovoltaic power generation system - Google Patents
Burn-out prevention junction box in photovoltaic power generation system Download PDFInfo
- Publication number
- CN117118349A CN117118349A CN202311385595.2A CN202311385595A CN117118349A CN 117118349 A CN117118349 A CN 117118349A CN 202311385595 A CN202311385595 A CN 202311385595A CN 117118349 A CN117118349 A CN 117118349A
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- movable
- box body
- connector
- sealing
- plate
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- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 230000002265 prevention Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 75
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- 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
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The application discloses a burn-out prevention junction box in a photovoltaic power generation system, and particularly relates to the technical field of junction boxes.
Description
Technical Field
The application relates to the technical field of junction boxes, in particular to a burnout-preventing junction box in a photovoltaic power generation system.
Background
Photovoltaic junction boxes are the connection means for conducting electricity in solar modules, which are very important components in solar modules. Because the current transmission module inside the photovoltaic junction box keeps transmitting current when the photovoltaic junction box is used, but the junction of the cable and the photovoltaic junction box is exposed to the outside air, the situation of loosening or poor contact possibly occurs due to vibration or corrosion suffered by long-term use, serious heating or combustion occurs when serious, if the situation of heating or combustion cannot be treated timely, great economic loss and potential safety hazard can be caused, and therefore, the junction box for preventing burning out in the photovoltaic power generation system is needed to solve the problems.
Disclosure of Invention
In order to overcome the defects, the application provides a burnout prevention junction box in a photovoltaic power generation system, which aims to solve the technical problems that: when the photovoltaic junction box is used, heating or burning conditions possibly caused by vibration or corrosion cannot be timely handled, and larger economic loss and potential safety hazard can be caused.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a prevent burning out terminal box in photovoltaic power generation system, includes box body and lid, the lid is connected on the box body, the front through-connection of box body has the connector, the connector is located the one end of box body and is connected with the bayonet joint through the cable, sliding connection has two removal loading boards in the box body, be connected with the electric current delivery unit on the removal loading board, one side that is close to the bayonet joint outward of electric current delivery unit is connected with the connector, the bayonet joint is connected with elastic supporting device outward, elastic supporting device connects in the box body, the position that corresponds the connector on the removal loading board is connected with the supporting seat, the constant head tank has been seted up on the supporting seat, sealed fire prevention device is connected with the horizontal pole outward to the constant head tank, the other end of horizontal pole is connected with control by temperature limiting device, control by temperature change limiting device connects in elastic supporting device, control by temperature change limiting device connects in the box body.
As a further aspect of the application: the box body is connected with four mounting pieces, the sealing fireproof device is arranged outside the connector, and the plug connector is arranged in the connector.
As a further aspect of the application: the movable bearing plate is connected with two sealing connecting plates, two sealing partition plates are connected in the box body, the sealing connecting plates are arranged in the sealing partition plates, the opposite faces of the two sealing partition plates are connected with fixing plates, and the positions of the fixing plates correspond to the positions of the sealing fireproof devices.
As a further aspect of the application: the movable bearing plate is characterized in that a guide movable block is connected under the movable bearing plate, a guide movable groove is formed in the box body, the guide movable block is slidably connected in the guide movable groove, and the shape of the guide movable block is T-shaped.
As a further aspect of the application: the elastic supporting device comprises a supporting ring, the supporting ring is connected outside the plug connector, one side, far away from the plug connector, of the supporting ring is connected with two telescopic rods, the two telescopic rods are respectively located on the upper side and the lower side of the cable, and a limiting groove is formed in the supporting ring.
As a further aspect of the application: the limiting groove is formed into a round shape, the temperature control limiting device is connected in the limiting groove, the other end of the telescopic rod is connected with the box body, a first elastic component is sleeved outside the telescopic rod, one end of the first elastic component is connected with the supporting ring, and the other end of the first elastic component is connected with the box body.
As a further aspect of the application: the sealing fireproof device comprises a movable sealing seat, four positioning columns are connected below the movable sealing seat, the positioning columns are connected in a positioning groove, a screen plate is connected in the movable sealing seat, a sodium azide placing sleeve is connected at the position, located on the upper side of the screen plate, in the movable sealing seat, a pressing plate is connected in a sliding mode, and a vertical rod is connected to the pressing plate.
As a further aspect of the application: the vertical rod is sleeved with a movable sleeve, the movable sleeve is connected to the movable sealing seat in a penetrating manner, the movable sealing seat is connected to the outside of the connector, the movable sealing seat is connected to the supporting seat, the top end of the vertical rod is connected with a contact plate, the position of the contact plate corresponds to that of the fixing plate, the vertical rod is sleeved with a second elastic component, one end of the second elastic component is connected with the contact plate, the other end of the second elastic component is connected with the movable sleeve, and the movable sealing seat is connected with the cross rod.
As a further aspect of the application: the temperature control limiting device comprises a heat conduction connecting frame, the heat conduction connecting frame is connected with a heat insulation connecting frame, the heat insulation connecting frame is connected in the box body, a piston plate is connected in a sliding mode in the heat insulation connecting frame, a piston rod is connected to the piston plate, a limiting column is connected to the other end of the piston rod, and the limiting column is connected in the elastic supporting device.
As a further aspect of the application: the piston rod is connected with the cross rod, a piston connecting sleeve is sleeved outside the piston rod, the piston connecting sleeve is connected to the heat insulation connecting frame in a penetrating mode, a third elastic component is sleeved outside the piston rod, one end of the third elastic component is connected with the piston connecting sleeve, and the other end of the third elastic component is connected with the piston plate.
The application has the beneficial effects that:
1. according to the application, the box body, the plug connector, the box cover, the current conveying unit, the telescopic rod and the first elastic component are arranged in the box body, so that the connection part of the plug connector and the connector is not exposed at the outer side of the box body, the sealing and protection effects are realized, the connection looseness caused by shaking is not easy, the corrosion probability of the connection is reduced, when the connection part of the connector and the plug connector in the box body is heated or burnt, the temperature control limiting device is separated from the limiting groove by utilizing the raised temperature control limiting column, the first elastic component automatically controls the supporting ring and the plug connector to be disconnected, when the high temperature or burning occurs, the connection treatment is timely disconnected, the disconnection mode is not controlled by a circuit, the safety stability of the outage operation is better, and the protection function of the device is more ideal;
2. according to the application, the plug connector can be directly inserted into the connector by arranging the limiting column, the limiting groove and the supporting ring, at the moment, the limiting groove on the supporting ring corresponds to the position of the limiting column, the limiting column is downwards inserted into the limiting groove, so that the limiting of the supporting ring and the plug connector can be completed, and the plug connector can be smoothly inserted into the connector and can be kept in a stable connection state with the connector;
3. according to the application, the supporting seat, the movable sealing seat, the contact plate, the fixed plate, the pressing plate, the sodium azide placing sleeve and the screen plate are arranged, when heating or combustion conditions are met, the movable sealing seat moves upwards, the fixed plate controls the pressing plate to move through the contact plate, the pressing plate extrudes the sodium azide placing sleeve, nitrogen is decomposed from the sodium azide, and the nitrogen can be accurately blown at the connecting position of the connector and the plug through the movable sealing seat, so that an accurate and rapid automatic fire extinguishing effect is achieved;
4. according to the application, the movable bearing plate, the supporting seat, the positioning groove, the positioning column, the guide moving block and the guide moving groove are arranged, when the current conveying unit on one movable bearing plate is damaged due to high temperature or combustion, the two sealing separation plates are matched with the sealing connection plate to divide the box body into three spaces, the other movable bearing plate cannot be damaged due to combustion, and at the moment, the positioning column is separated from the positioning groove, so that the limit of the movable bearing plate is relieved, the other movable bearing plate can be pushed to move to the middle position of the box body, the damaged current conveying unit is replaced in time, and the normal operation and use of the whole can be kept.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present application;
FIG. 2 is a schematic view of a three-dimensional structure of the case of the present application;
FIG. 3 is a schematic view of a structure of a movable carrier plate according to the present application;
FIG. 4 is a schematic diagram showing the structure of the elastic supporting device and the temperature control limiting device of the present application;
FIG. 5 is a schematic view showing a bottom perspective of a movable carrier plate according to the present application;
FIG. 6 is a schematic diagram of a temperature-controlled spacing device according to the present application;
FIG. 7 is a schematic view showing a three-dimensional cross-sectional structure of a sealing fireproof device of the present application;
in the figure: 1. a case body; 2. a box cover; 3. a mounting piece; 4. a connector; 5. a plug; 6. an elastic supporting device; 61. a support ring; 62. a limit groove; 63. a telescopic rod; 64. a first elastic component; 7. moving the bearing plate; 8. a current delivery unit; 9. a connector; 10. a support base; 11. a positioning groove; 12. sealing the fireproof device; 121. moving the sealing seat; 122. positioning columns; 123. a screen plate; 124. sodium azide placing sleeve; 125. a pressing plate; 126. a vertical rod; 127. a moving sleeve; 128. a contact plate; 129. a second elastic component; 13. a cross bar; 14. a temperature control limiting device; 141. a thermally conductive connection frame; 142. a heat insulating connection frame; 143. a piston plate; 144. a piston rod; 145. a limit column; 146. a piston connecting sleeve; 147. a third elastic component; 15. sealing the connecting plate; 16. a sealing separator; 17. a guide moving groove; 18. guiding the moving block; 19. and a fixing plate.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-7, the application provides a burnout prevention junction box in a photovoltaic power generation system, which comprises a box body 1 and a box cover 2, wherein the box cover 2 is connected to the box body 1, the front surface of the box body 1 is connected with a connector 4 in a penetrating way, one end of the connector 4 positioned in the box body 1 is connected with a plug 5 through a cable, two movable bearing plates 7 are connected in a sliding way in the box body 1, a current conveying unit 8 is connected to the movable bearing plates 7, one side, close to the plug 5, of the current conveying unit 8 is connected with a connector 9, and the plug 5 is used for realizing the connection between the connector 4 and the current conveying unit 8 by arranging the plug 5 and the connector 9, and the plug 5 and the connector 9 are positioned in the box body 1 so as to realize the sealing and protecting effects on the connection positions of the connector 4 and the current conveying unit 8;
the plug connector 5 is externally connected with an elastic supporting device 6, the elastic supporting device 6 is connected in the box body 1, a supporting seat 10 is connected to the position, corresponding to the connector 9, of the movable bearing plate 7, a positioning groove 11 is formed in the supporting seat 10, a sealing fireproof device 12 is connected in the positioning groove 11, a cross rod 13 is externally connected with the sealing fireproof device 12, the other end of the cross rod 13 is connected with a temperature control limiting device 14, the temperature control limiting device 14 is connected in the elastic supporting device 6, and the temperature control limiting device 14 is connected in the box body 1.
Four mounting plates 3 are connected to the outside of the box body 1, a sealing fireproof device 12 is arranged outside the connector 9, the plug connector 5 is arranged in the connector 9, and the mounting plates 3 are used for assembling and positioning the box body 1 through the arrangement of the mounting plates 3.
The movable bearing plate 7 is connected with two sealing connecting plates 15, the box body 1 is internally connected with two sealing partition plates 16, the sealing connecting plates 15 are arranged in the sealing partition plates 16, the opposite surfaces of the two sealing partition plates 16 are respectively connected with a fixing plate 19, the positions of the fixing plates 19 correspond to the positions of the sealing fireproof devices 12, the space in the box body 1 is divided into three parts by the two sealing partition plates 16 through the arrangement of the sealing connecting plates 15 and the sealing partition plates 16, when one space is burnt or heated, the electronic devices in the other two spaces cannot be influenced, the sealing connecting plates 15 are matched with the sealing partition plates 16, and the movable bearing plate 7 and the sealing partition plates 16 are in full tight contact.
The guide moving block 18 is connected under the moving bearing plate 7, the guide moving groove 17 is formed in the box body 1, the guide moving block 18 is slidably connected in the guide moving groove 17, the guide moving block 18 is T-shaped, the guide moving block 18 and the guide moving groove 17 are arranged, the guide moving block 18 is guided by the guide moving groove 17, and the moving bearing plate 7 can smoothly and stably move in the box body 1 conveniently.
The elastic supporting device 6 comprises a supporting ring 61, the supporting ring 61 is connected outside the plug 5, one side, far away from the connector 9, of the supporting ring 61 is connected with two telescopic rods 63, the two telescopic rods 63 are respectively located on the upper side and the lower side of a cable, limiting grooves 62 are formed in the supporting ring 61, the telescopic rods 63 guide the movement of the supporting ring 61 and the plug 5, the accurate and stable plug 5 entering the connector 9 is guaranteed, and the supporting ring 61 cannot shake randomly.
The spacing groove 62 is established to circularly, and temperature control stop device 14 connects in spacing groove 62, and telescopic link 63's the other end is connected with box body 1, and telescopic link 63 overcoat is equipped with first elastic component 64, and first elastic component 64's one end is connected with support ring 61, and first elastic component 64's the other end is connected with box body 1, through setting up first elastic component 64, after support ring 61 loses outside hindrance, first elastic component 64 resumes former length and control bayonet joint 5 is kept away from connector 9 action, realizes the autosegregation between control bayonet joint 5 and the connector 9.
The sealing fireproof device 12 comprises a movable sealing seat 121, four positioning columns 122 are connected below the movable sealing seat 121, the positioning columns 122 are connected in a positioning groove 11, a screen 123 is connected in the movable sealing seat 121, a sodium azide placing sleeve 124 is connected at a position, which is positioned on the upper side of the screen 123, in the movable sealing seat 121, a pressing plate 125 is connected in a sliding manner, and a vertical rod 126 is connected on the pressing plate 125;
through setting up reference column 122 and constant head tank 11, reference column 122 carries out the spacing of horizontal direction to constant head tank 11 and removal loading board 7, avoids removing loading board 7 and moves along direction removal groove 17 at will, places cover 124 through setting up the sodium azide for place the sodium azide, can automatic decomposition go out nitrogen gas when the sodium azide is pressed, utilizes nitrogen gas to put out a fire.
The vertical rod 126 is sleeved with a movable sleeve 127, the movable sleeve 127 is connected to the movable sealing seat 121 in a penetrating manner, the movable sealing seat 121 is connected to the outside of the connector 9, the movable sealing seat 121 is connected to the supporting seat 10, the top end of the vertical rod 126 is connected with a contact plate 128, the position of the contact plate 128 corresponds to that of the fixed plate 19, the vertical rod 126 is sleeved with a second elastic component 129, one end of the second elastic component 129 is connected with the contact plate 128, the other end of the second elastic component 129 is connected with the movable sleeve 127, and the movable sealing seat 121 is connected with the cross rod 13;
through setting up contact plate 128 and fixed plate 19, along with the upward movement of moving seal seat 121, contact plate 128 is spacing by fixed plate 19 extrusion to reach the purpose of control clamp plate 125 relative movement seal seat 121 action, through setting up clamp plate 125, clamp plate 125 is used for placing cover 124 to the sodium azide and extrudees, and remove seal seat 121 and be equipped with the door of getting outward for change the sodium azide, through setting up second elastic component 129, second elastic component 129 is moving seal seat 121 and keeping away from the fixed plate 19 and remove, steerable clamp plate 125 automatic re-setting, the change operation of cover 124 is placed to the convenient sodium azide.
The temperature control limiting device 14 comprises a heat conduction connecting frame 141, a heat insulation connecting frame 142 is connected to the heat conduction connecting frame 141, the heat insulation connecting frame 142 is connected in the box body 1, a piston plate 143 is connected to the heat insulation connecting frame 142 in a sliding mode, a piston rod 144 is connected to the piston plate 143, a limiting column 145 is connected to the other end of the piston rod 144, and the limiting column 145 is connected to the elastic supporting device 6;
through setting up heat conduction connecting frame 141, the heat transfer in the heat conduction connecting frame 141 can be timely to inside with the box body 1, when the box body 1 appears generating heat or burning the condition, the gaseous heating expansion in the quick control heat conduction connecting frame 141, through setting up thermal-insulated connecting frame 142, thermal-insulated connecting frame 142 can reduce the heat conduction, make the normal atmospheric temperature air in the thermal-insulated connecting frame 142 and the air after the heating expansion in the heat conduction connecting frame 141 form the difference, utilize the removal of atmospheric pressure control piston board 143, realize when generating heat or burning, the upward action of automatic control piston rod 144.
The piston rod 144 is connected with the cross rod 13, a piston connecting sleeve 146 is sleeved outside the piston rod 144, the piston connecting sleeve 146 is connected to the heat insulation connecting frame 142 in a penetrating mode, a third elastic component 147 is sleeved outside the piston rod 144, one end of the third elastic component 147 is connected with the piston connecting sleeve 146, the other end of the third elastic component 147 is connected with the piston plate 143, through the arrangement of the limiting column 145 and the limiting groove 62, when the limiting column 145 is inserted into the limiting groove 62, the supporting ring 61 can be blocked, the stability of the supporting ring 61 and the plug 5 is ensured, the first elastic component 64 is kept in an extension state, through the arrangement of the third elastic component 147, when the third elastic component 147 restores to normal temperature in the box body 1, elastic force is applied to the piston plate 143, and reset actions of the piston plate 143 and the piston rod 144 are controlled.
The working principle of the application is as follows:
when the joint of the connector 9 and the plug 5 has a combustion condition, the gas in the heat conduction connecting frame 141 is heated by the increased temperature in the box body 1, the gas expanded in the heat conduction connecting frame 141 extrudes the piston plate 143 and the piston rod 144 to move upwards, the piston rod 144 controls the limit column 145 and the movable sealing seat 121 to move upwards, after the limit column 145 is separated from the limit groove 62, the first elastic component 64 drives the support ring 61 and the plug 5 to move away from the connector 9, the separation of the plug 5 and the connector 9 is realized, and the fixed plate 19 and the movable contact plate 128 are extruded in the upward movement process of the movable sealing seat 121, so that the contact plate 128 controls the pressing plate 125 to act through the vertical rod 126;
the pressure plate 125 extrudes the opportunity in the cover 124 is placed to the sodium azide, realize the pressurized decomposition of sodium azide and produce nitrogen gas, nitrogen gas blows in connector 9 position through otter board 123 and removal seal seat 121, realize the fire extinguishing effect, simultaneously reference column 122 upwards moves and separates with constant head tank 11, can directly take off lid 2 afterwards, and promote another removal loading board 7 to remove to the middle part position of box body 1, realize the replacement to the electric current delivery unit 8 of damage, simultaneously insert connector 5 in the connector 9, the temperature in the heat conduction connection frame 141 constantly reduces this moment, third elastic component 147 drives piston rod 144 downwardly moving, spacing post 145 inserts in spacing groove 62 this moment, reference column 122 inserts in the constant head tank 11, simultaneously change the sodium azide in the removal seal seat 121, then close lid 2 can.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (10)
1. The utility model provides a prevent burning out terminal box in photovoltaic power generation system, includes box body (1) and lid (2), its characterized in that: the box cover (2) is connected to the box body (1), a connector (4) is connected to the front surface of the box body (1) in a penetrating manner, one end of the connector (4) located in the box body (1) is connected with a plug connector (5) through a cable, two movable bearing plates (7) are connected in a sliding manner in the box body (1), a current conveying unit (8) is connected to the movable bearing plates (7), a connector (9) is connected to one side, close to the plug connector (5), of the current conveying unit (8), an elastic supporting device (6) is connected to the outer side of the plug connector (5), and the elastic supporting device (6) is connected to the box body (1);
the movable bearing plate is characterized in that a supporting seat (10) is connected to the position, corresponding to the connector (9), of the movable bearing plate (7), a positioning groove (11) is formed in the supporting seat (10), a sealing fireproof device (12) is connected to the inside of the positioning groove (11), a cross rod (13) is connected to the outside of the sealing fireproof device (12), a temperature control limiting device (14) is connected to the other end of the cross rod (13), the temperature control limiting device (14) is connected to the inside of the elastic supporting device (6), and the temperature control limiting device (14) is connected to the inside of the box body (1).
2. The burn-out prevention junction box in a photovoltaic power generation system according to claim 1, wherein: the box body (1) is connected with four mounting plates (3) outside, the sealing fireproof device (12) is arranged outside the connector (9), and the plug connector (5) is arranged in the connector (9).
3. The burn-out prevention junction box in a photovoltaic power generation system according to claim 1, wherein: the movable bearing plate (7) is connected with two sealing connecting plates (15), two sealing partition plates (16) are connected in the box body (1), the sealing connecting plates (15) are arranged in the sealing partition plates (16), the opposite surfaces of the two sealing partition plates (16) are connected with fixing plates (19), and the positions of the fixing plates (19) correspond to the positions of the sealing fireproof devices (12).
4. The burn-out prevention junction box in a photovoltaic power generation system according to claim 1, wherein: the movable bearing plate (7) is connected with a guide movable block (18) below, a guide movable groove (17) is formed in the box body (1), the guide movable block (18) is slidably connected in the guide movable groove (17), and the shape of the guide movable block (18) is T-shaped.
5. The burn-out prevention junction box in a photovoltaic power generation system according to claim 1, wherein: the elastic supporting device (6) comprises a supporting ring (61), the supporting ring (61) is connected outside the plug connector (5), one side, far away from the connector (9), of the supporting ring (61) is connected with two telescopic rods (63), the two telescopic rods (63) are respectively located on the upper side and the lower side of the cable, and the supporting ring (61) is provided with a limiting groove (62).
6. The burn-out prevention junction box in a photovoltaic power generation system according to claim 5, wherein: the limiting groove (62) is circular, the temperature control limiting device (14) is connected in the limiting groove (62), the other end of the telescopic rod (63) is connected with the box body (1), a first elastic component (64) is sleeved outside the telescopic rod (63), one end of the first elastic component (64) is connected with the supporting ring (61), and the other end of the first elastic component (64) is connected with the box body (1).
7. A burnout prevention junction box in a photovoltaic power generation system according to claim 3, wherein: the sealing fireproof device is characterized in that the sealing fireproof device (12) comprises a movable sealing seat (121), four positioning columns (122) are connected under the movable sealing seat (121), the positioning columns (122) are connected in a positioning groove (11), a screen plate (123) is connected in the movable sealing seat (121), a sodium azide placing sleeve (124) is connected at the position, located on the upper side of the screen plate (123), in the movable sealing seat (121), a pressing plate (125) is connected in a sliding manner, and a vertical rod (126) is connected on the pressing plate (125).
8. The burn-out prevention junction box in a photovoltaic power generation system according to claim 7, wherein: the utility model discloses a movable sealing device for the automobile, including montant (126) overcoat is equipped with movable sleeve (127), movable sleeve (127) through connection is on movable sealing seat (121), movable sealing seat (121) are connected outside connector (9), movable sealing seat (121) are connected on supporting seat (10), the top of montant (126) is connected with contact plate (128), the position of contact plate (128) is corresponding with the position of fixed plate (19), montant (126) overcoat is equipped with second elastic component (129), the one end and the contact plate (128) of second elastic component (129) are connected, the other end and the movable sealing seat (127) of second elastic component (129) are connected, movable sealing seat (121) are connected with horizontal pole (13).
9. The burn-out prevention junction box in a photovoltaic power generation system according to claim 1, wherein: the temperature control limiting device (14) comprises a heat conduction connecting frame (141), a heat insulation connecting frame (142) is connected to the heat conduction connecting frame (141), the heat insulation connecting frame (142) is connected to the inside of the box body (1), a piston plate (143) is connected to the heat insulation connecting frame (142) in a sliding mode, a piston rod (144) is connected to the piston plate (143), a limiting column (145) is connected to the other end of the piston rod (144), and the limiting column (145) is connected to the inside of the elastic supporting device (6).
10. The burn-out prevention junction box in a photovoltaic power generation system according to claim 9, wherein: the piston rod (144) is connected with the cross rod (13), a piston connecting sleeve (146) is sleeved outside the piston rod (144), the piston connecting sleeve (146) is connected to the heat insulation connecting frame (142) in a penetrating mode, a third elastic component (147) is sleeved outside the piston rod (144), one end of the third elastic component (147) is connected with the piston connecting sleeve (146), and the other end of the third elastic component (147) is connected with the piston plate (143).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385595.2A CN117118349B (en) | 2023-10-25 | 2023-10-25 | Burn-out prevention junction box in photovoltaic power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385595.2A CN117118349B (en) | 2023-10-25 | 2023-10-25 | Burn-out prevention junction box in photovoltaic power generation system |
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| CN117118349A true CN117118349A (en) | 2023-11-24 |
| CN117118349B CN117118349B (en) | 2024-01-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011043609A2 (en) * | 2009-10-07 | 2011-04-14 | 엘지이노텍주식회사 | Photovoltaic power-generating apparatus and method for manufacturing same |
| CN115173809A (en) * | 2022-06-10 | 2022-10-11 | 焉耆华能光伏发电有限责任公司 | Prevent terminal box that burns out among photovoltaic power generation system |
| CN116566320A (en) * | 2023-05-24 | 2023-08-08 | 新疆天富金阳新能源有限责任公司 | Burn-out prevention junction box in photovoltaic system |
-
2023
- 2023-10-25 CN CN202311385595.2A patent/CN117118349B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011043609A2 (en) * | 2009-10-07 | 2011-04-14 | 엘지이노텍주식회사 | Photovoltaic power-generating apparatus and method for manufacturing same |
| CN115173809A (en) * | 2022-06-10 | 2022-10-11 | 焉耆华能光伏发电有限责任公司 | Prevent terminal box that burns out among photovoltaic power generation system |
| CN116566320A (en) * | 2023-05-24 | 2023-08-08 | 新疆天富金阳新能源有限责任公司 | Burn-out prevention junction box in photovoltaic system |
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| CN117118349B (en) | 2024-01-23 |
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