CN217656163U - Terminal system is built to photovoltaic module test line - Google Patents

Abstract

The utility model relates to a photovoltaic equipment technical field, concretely relates to terminal system is built to photovoltaic module test line, including the first terminal of a plurality of, first terminal includes square connecting terminal and circular connecting terminal, square connecting terminal includes square bayonet joint, the connecting seat, silver pipe and nut, the inside butt portion that switches on with the square connector department binding post butt of the sample that awaits measuring that is equipped with of square bayonet joint, butt portion processing has the groove that matches with silver pipe outer wall, silver pipe cavity, circular connecting terminal includes circular bayonet joint, the second connecting seat, silver plug and second nut, circular bayonet joint and the circular connector plug-in connection of the sample that awaits measuring, silver plug cavity, the well kenozooecium of silver plug is used for connecting wire. The utility model has the advantages that: the building is directly completed through the plugging and pulling of the terminals, and the building efficiency of the test circuit is improved.

Description

Terminal system is built to photovoltaic module test line

Technical Field

The utility model relates to a photovoltaic equipment technical field, concretely relates to terminal system is built to photovoltaic module test line.

Background

Because the connection between the conventional photovoltaic module and the inverter is designed for the angle of normal use, and the normal use time is generally as long as several years to ten years, the connection between the photovoltaic module and the inverter is very firm, and the terminal opening is generally damaged during the disassembly. Even if adopt the mode of some buckles to dismantle the connection, nevertheless because the model and the kind difference of sample lead to needing to spend not less time when the laboratory tests and carry out the buildding of platform circuit, the wearing and tearing of the dismantlement circuit of making a round trip to binding post mouth increase substantially, both extravagant test time also can make the circuit security performance reduce. Therefore, for the operation of repeatedly plugging and unplugging the terminal in the laboratory test process, it is necessary to research and design a terminal device which can reduce the plugging and unplugging operation, reduce the terminal abrasion, and further improve the flexible connection mode.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve: at present, a photovoltaic module test circuit is built and is easy to damage a photovoltaic module wiring terminal. The photovoltaic module test line building terminal system can reduce abrasion of photovoltaic module wiring terminals during testing.

Solve the technical problem, the utility model adopts the following technical scheme: a photovoltaic module test line building terminal system is used for connecting a power supply, a test module and a sample to be tested and comprises a plurality of first terminals, wherein the first terminals are used for connecting a lead between the test module and the sample to be tested, each first terminal comprises a square connecting terminal and a round connecting terminal, each square connecting terminal comprises a square plug connector, a connecting seat, a silver conduit and a nut, each square plug connector is connected with a square connecting port of the sample to be tested in a plug-in mode, each connecting seat is fixedly connected with the corresponding square plug connector, a butting part which is in butt connection with the connecting terminal at the square connecting port of the sample to be tested is arranged inside each square plug connector, a groove matched with the outer wall of the silver conduit is machined in each butting part, the silver conduit is hollow, and the hollow part of the silver conduit is used for connecting the lead, the silver pipe is installed on the nut, the screw thread that matches with the nut is processed on the connecting seat, circular connecting terminal includes circular bayonet joint, second connecting seat, silver plug and second nut, circular bayonet joint and the circular connector plug-in connection of the sample that awaits measuring, second connecting seat and circular bayonet joint fixed connection, circular bayonet joint inside is equipped with the second butt portion that switches on with the circular connector department binding post butt of the sample that awaits measuring, the processing of second butt portion has the groove with silver plug outer wall matching, silver plug cavity, the well kenozooecium of silver plug is used for connecting wire, silver plug installs on the second nut, processing has the screw thread that matches with the second nut on the second connecting seat. The testing device comprises a square connecting terminal, a round connecting terminal, a plurality of silver conduits, a plurality of silver plugs, a plurality of testing modules and a plurality of silver connecting terminals.

Preferably, the testing device further comprises a plurality of second terminals and a connecting table, the second terminals are used for connecting wires between the testing modules and the power supply, the connecting table comprises a base body, the side faces of the base body are respectively provided with a clamping head and a clamping groove, the clamping heads are matched with the clamping grooves in shape, a plurality of inserting ports are machined in the front face of the base body, a fixed rotary groove is machined in the inserting port, each second terminal comprises an inserting head, a third connecting seat, a second silver guide pipe and a third nut, the inserting head is connected with the inserting port of the base body in an inserting mode, the third connecting seat is fixedly connected with the inserting head, a butting body butted with a power supply bus bar is arranged inside the inserting head, a fixed protrusion matched with the fixed rotary groove of the base body is arranged outside the inserting head, a second butting portion butted with the butting body is arranged inside the inserting head, a groove matched with the outer wall of the second silver guide pipe is machined in the second butting portion, the hollow portion of the second silver guide pipe is used for connecting the wires, the second silver guide pipe is installed on the third connecting seat, and a screw nut matched with the third connecting seat is machined on the third connecting seat.

Preferably, a conductive plate is embedded in the base body, abutting bodies of the plurality of inserting ports on the base body are abutted to the conductive plate, and the conductive plate is connected with the power supply busbar.

Preferably, the conductive plate is provided with a plurality of conical depressions, the abutting body is provided with a conical end portion matched with the conical depressions, and the conical end portion abuts against the conical depressions.

Preferably, one end of the abutting part of the square connecting terminal, which is close to the connecting seat, is provided with a conical surface concentric with the groove, and the outer wall of the silver conduit is provided with a conical bulge matched with the conical surface.

Preferably, a plurality of elastic fins are machined at one ends, away from the abutting portion, of the connecting seat and the second connecting seat, and the elastic fins are distributed along the circumference.

Preferably, the resilient fins are inwardly inclined.

Preferably, grooves are formed in the front portions of the silver conduit and the silver plug, and graphite is fixedly embedded in the grooves.

Preferably, the front ends of the silver conduit and the silver plug are fixedly adhered with insulating coatings with preset thicknesses.

Preferably, the outer diameter of the insulating coating is larger than the outer diameter of the front ends of the silver guide tube and the silver plug.

The utility model has the advantages of: (1) The building is directly completed through the plugging and unplugging of the terminals, so that the building efficiency of the test circuit is improved; (2) In the testing process, the wiring terminal of the sample to be tested only needs to be plugged once, so that the abrasion to the wiring terminal is reduced, the service life of the product is prolonged, and the reliability in the working process is improved; (3) The use of the wires can be reduced, the electromagnetic interference among the wires is reduced, and the test accuracy is improved; (4) The method is beneficial to maintaining the tidiness of the wires on the test site, avoids the messy wires on the test site and reduces the risk of wrong wiring in the test; (5) The module is connected with the power supply bus bar, so that the abrasion caused by overuse of threads at the power supply connection part is reduced, the condition of wire sliding is avoided, and accidents such as electric sparks and the like caused by wire sliding of screws on the power supply side are reduced; (6) Through the connection mode of screw thread and nut, can the visual observation insert whether target in place, avoid inserting insecure and arouse that the wiring drops or removes bad problem.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic view of an embodiment of an installation.

FIG. 2 is a schematic diagram of a square connection terminal according to an embodiment.

Fig. 3 is a schematic diagram of a circular connection terminal according to an embodiment.

Fig. 4 is a schematic structural diagram of a second connection terminal according to an embodiment.

FIG. 5 is a schematic view of an exemplary connection station.

FIG. 6 is a perspective view of a connection platform according to an embodiment.

Fig. 7 is a schematic view of a second terminal access connection station according to an embodiment.

Fig. 8 is a schematic side view of a second terminal access block according to an embodiment.

Wherein: 1. the module I, 2, the module II, 3, the first terminal, 4, the sample to be measured, 5, the power, 6, the second terminal, 7, square connecting terminal, 8, the screw thread, 9, silver pipe, 10, the nut, 11, circular connecting terminal, 12, silver plug, 13, the connector, 14, fixed protrusion, 15, the third connecting seat, 16, the second silver pipe, 17, the third nut, 18, the dop, 19, the interface, 20, the draw-in groove, 21, the base member, 22, fixed rotation groove, 23, the butt body, 24, the butt plate, 25, the line head, 26, the second butt portion.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, which all belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The embodiment is as follows:

the utility model provides a terminal system is built to photovoltaic module test line, please refer to fig. 1 for connect power 5, test module and the sample that awaits measuring, include a plurality of first terminal 3, a plurality of second terminal 6 and a plurality of connection platform. The first terminal 3 is used for connecting a lead between the test module and the sample 4 to be tested, and the second terminal 6 is used for connecting a plurality of test modules or connecting the power supply 5 and the test modules. In fig. 1, several second terminals 6 connect the module one 1 with the power supply 5, and other second terminals 6 connect the module one 1 with the module two 2. The second module 2 and the sample 4 to be tested are connected by a plurality of square connecting terminals 7 and/or a plurality of round connecting terminals 11.

The first terminal 3 includes a square connection terminal 7 and a circular connection terminal 11. Referring to fig. 2, the square connection terminal 7 includes a square plug 13, a connection seat, a silver conduit 9 and a nut 10, the square plug 13 is connected with a square connection port of the sample 4 to be tested in a plug-in manner, the connection seat is fixedly connected with the square plug 13, a butt portion which is connected with a connection terminal at the square connection port of the sample to be tested in a butt manner is arranged inside the square plug 13, a groove matched with the outer wall of the silver conduit 9 is formed in the butt portion, the silver conduit 9 is hollow, a hollow portion of the silver conduit 9 is used for connecting a lead, the silver conduit 9 is installed on the nut 10, and a thread 8 matched with the nut 10 is formed in the connection seat. One end of the abutting part of the square connecting terminal 7, which is close to the connecting seat, is processed with a conical surface concentric with the groove, and the outer wall of the silver conduit 9 is provided with a conical bulge matched with the conical surface. The conical surface and the conical protrusion can play a centering role, and meanwhile, the outer wall of the silver guide tube 9 is tightly connected with the abutting part, so that the contact resistance is reduced. During the use, with square bayonet joint 13 and the square connector plug-in connection of the sample 4 that awaits measuring, need not dismantle square bayonet joint 13 in the testing process, until the test of the sample 4 that awaits measuring is accomplished. The silver conduit 9 is connected with the lead, the lead is connected with the wiring terminal of the test module, when the wiring terminal of the test module needs to be connected with the sample 4 to be tested, the corresponding silver conduit 9 is inserted into the corresponding square plug-in connector 13, and the screw cap 10 and the connecting seat are screwed up.

Referring to fig. 3, the circular connection terminal 11 includes a circular plug 13, a second connection seat, a silver plug 12 and a second nut 10, the circular plug 13 is connected to the circular connection port of the sample 4 to be tested in a plug-in manner, the second connection seat is fixedly connected to the circular plug 13, a second abutting portion 26 that abuts against and is conducted with the connection terminal at the circular connection port of the sample to be tested is arranged inside the circular plug 13, a groove matched with the outer wall of the silver plug 12 is formed in the second abutting portion 26, the silver plug 12 is hollow, the hollow portion of the silver plug 12 is used for connecting a lead, the silver plug 12 is installed on the second nut 10, and a thread 8 matched with the second nut 10 is formed in the second connection seat. The square connecting terminal 7 and the round connecting terminal 11 are inserted into a sample 4 to be tested, the silver guide tubes 9 and the silver plugs 12 are connected with the test modules through wires respectively, and the silver guide tubes 9 or the silver plugs 12 are connected with the corresponding square plug connectors 13 or the round plug connectors 13 to complete the construction of the test circuit. The one end that butt portion was kept away from to connecting seat and second connecting seat has all processed a plurality of elastic fin, and a plurality of elastic fin distributes along the circumference. The resilient fins are inwardly inclined. The front ends of the silver conduit 9 and the silver plug 12 are fixedly adhered with insulating coatings with preset thicknesses. The insulating coating can prevent the front ends of the silver conduit 9 and the silver plug 12 from deforming due to collision. The front portions of the silver guide pipe 9 and the silver plug 12 are all processed with grooves, graphite is fixedly embedded in the grooves and can play a role in lubricating in the plugging process, the plugging difficulty is reduced, and meanwhile abrasion is reduced. The outer diameter of the insulating coating is larger than the outer diameter of the front end of the silver guide tube 9 and the silver plug 12. The outer wall of the insulating coating exceeds the outer walls of the silver guide pipe 9 and the silver plug 12, and the function of cleaning a contact surface can be achieved in the plugging and unplugging process.

The second terminal 6 is used for connecting wires between the test modules and the power supply 5, please refer to fig. 4, the second terminal 6 includes a plug 13, a third connection seat 15, a second silver conduit 16 and a third nut 17, the plug 13 is connected with the socket 19 of the base body 21 in an inserting manner, the third connection seat 15 is fixedly connected with the plug 13, a butting portion butted against the busbar of the power supply 5 is arranged inside the plug 13, a fixing protrusion 14 matched with the fixing rotation groove 22 of the base body 21 is arranged outside the plug 13, a second butting portion 26 butted against the butting body 23 is arranged inside the plug, a groove matched with the outer wall of the second silver conduit 16 is processed on the second butting portion 26, the second silver conduit 16 is hollow, the hollow portion of the second silver conduit 16 is used for connecting the wires, the second silver conduit 16 is installed on the third nut 17, and a thread 8 matched with the third nut 17 is processed on the third connection seat 15. Referring to fig. 5, the connecting table includes a base 21, a clamping head 18 and a clamping groove 20 are respectively disposed on a side surface of the base 21, the clamping head 18 is matched with the clamping groove 20 in shape, a plurality of insertion ports 19 are formed on a front surface of the base 21, and a fixed rotating groove 22 is formed at the insertion port 19. Referring to fig. 6, the second silver guide tube 16 is inserted into the insertion opening 19 and then rotated by a certain angle, so that the fixing protrusion 14 is tightly engaged with the fixing rotation groove 22. The connection table is used for supporting connection of a plurality of second terminals 6, and the second terminals 6 can be connected with a busbar of the power supply 5 and can be in butt joint with one another. That is, the two second terminals 6 are inserted into the same socket 19 of the connection stage from both ends, respectively, and connection can be achieved. The connecting tables can be conveniently assembled and connected through the clamping heads 18 and the clamping grooves 20. Referring to fig. 7, the second abutting portion 26 of the second terminal 6 is shown connected to the abutting portion 23 of the socket 19. The two can be connected after being abutted. When the second silver guide tube 16 of the second terminal 6 is inserted into the plug 13, the second silver guide tube 16 comes into contact with the second contact portion 26 to be electrically connected, thereby completing the connection.

Referring to fig. 8, in the embodiment, in a specific implementation, an abutting plate 24 is embedded in the base body, and a plurality of connectors are connected to terminals or power supply busbars of the same test module through the connection heads 25 and the terminals or power supply busbars of the same test module. The abutting bodies 23 of the plurality of inserting ports on the base body are abutted against the abutting plates 24, and the abutting plates 24 are connected with the power supply busbar through the connecting wire heads 25. The abutment plate 24 can likewise be connected to the connection terminals of the test module.

The abutment plate 24 is formed with a plurality of tapered recesses, and the abutment body 23 is formed with tapered ends matching the tapered recesses, with which the tapered ends abut. The contact can be more reliable and compact by processing the conical recess and the conical end part, and the contact resistance is reduced.

The beneficial technical effects of this embodiment do: the building is directly completed through the plugging and unplugging of the terminals, so that the building efficiency of the test circuit is improved; the module is adopted to connect the power supply 5 busbar, so that the abrasion caused by excessive use of the threads 8 at the joint of the power supply 5 is reduced, the condition of wire slipping is avoided, and accidents such as electric sparks and the like caused by wire slipping of screws on the side of the power supply 5 are reduced.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A photovoltaic module test line building terminal system is characterized in that,

comprises a plurality of first terminals, the first terminals are used for connecting the test module and a sample to be tested,

the first terminal comprises a square connecting terminal and a round connecting terminal, the square connecting terminal comprises a square plug connector, a connecting seat, a silver conduit and a screw cap, the square plug connector is connected with a square connecting port of a sample to be detected in a plug manner, the connecting seat is fixedly connected with the square plug connector, a butting part which is butted and conducted with a connecting terminal at the square connecting port of the sample to be detected is arranged in the square plug connector, a groove matched with the outer wall of the silver conduit is processed on the butting part, the silver conduit is hollow, the hollow part of the silver conduit is used for connecting a lead, the silver conduit is arranged on the screw cap, a thread matched with the screw cap is processed on the connecting seat,

the round connecting terminal comprises a round plug connector, a second connecting seat, a silver plug and a second nut, the round plug connector is connected with a round connecting port of a sample to be tested in an inserting mode, the second connecting seat is fixedly connected with the round plug connector, a second abutting portion which is connected with a connecting terminal at the round connecting port of the sample to be tested in an abutting mode is arranged inside the round plug connector, a groove matched with the outer wall of the silver plug is machined in the second abutting portion, the silver plug is hollow, a hollow portion of the silver plug is used for connecting wires, the silver plug is installed on the second nut, and threads matched with the second nut are machined on the second connecting seat.

2. The photovoltaic module test line building terminal system of claim 1,

the connecting platform comprises a base body, the side face of the base body is provided with a clamping head and a clamping groove respectively, the clamping head is matched with the clamping groove in shape, the front face of the base body is provided with a plurality of inserting ports, the inserting ports are fixedly processed to form fixed rotary grooves, the second terminal comprises a plug connector, a third connecting seat, a second silver conduit and a third nut, the plug connector is connected with the inserting ports of the base body in an inserting mode, the third connecting seat is fixedly connected with the plug connector, a butting body butted with a power supply busbar is arranged inside the plug connector, a fixed protrusion matched with the fixed rotary grooves of the base body is arranged outside the plug connector, a second butting portion butted with the butting body is arranged in the plug connector, a groove matched with the outer wall of the second silver conduit is processed in the second butting portion, the second silver conduit is hollow, the nut of the second silver conduit is used for connecting the lead, the second silver conduit is installed on the third connecting seat, and threads matched with the third nut are processed on the third connecting seat.

3. A photovoltaic module test line building terminal system according to claim 2,

the base body is internally embedded with a current-conducting plate, the butting bodies of a plurality of inserting ports on the base body are all butted with the current-conducting plate, and the current-conducting plate is connected with the power supply busbar.

4. A photovoltaic module test line building terminal system according to claim 3,

the conducting plate processing has a plurality of toper sunken, butt joint body processing have with the toper tip that the toper sunken matches, the toper tip with the toper sunken butt.

5. A photovoltaic module test line building terminal system according to any one of claims 1 to 4,

one end of the butt body of the square connecting terminal, which is close to the connecting seat, is provided with a conical surface concentric with the groove, and the outer wall of the silver conduit is provided with a conical bulge matched with the conical surface.

6. A photovoltaic module test line building terminal system according to any one of claims 1 to 4,

a plurality of elastic fins are processed at one ends, far away from the abutting portion, of the connecting seats and the second connecting seats, and are distributed along the circumference.

7. A photovoltaic module test line building terminal system according to claim 6,

the resilient fins are inwardly inclined.

8. A photovoltaic module test line building terminal system according to any one of claims 1 to 4,

grooves are formed in the front portions of the silver conduit and the silver plug, and graphite is fixedly embedded in the grooves.

9. A photovoltaic module test line building terminal system according to any one of claims 1 to 4,

and the front ends of the silver conduit and the silver plug are fixedly adhered with insulating coatings with preset thicknesses.

10. The photovoltaic module test line building terminal system of claim 9,

the outer diameter of the insulating coating is larger than the outer diameters of the front ends of the silver conduit and the silver plug.

Images