CN215834741U

CN215834741U - Photovoltaic inverter binding post connector

Info

Publication number: CN215834741U
Application number: CN202121689255.5U
Authority: CN
Inventors: 曹梧; 程毅; 张倩丽; 肖扬龙
Original assignee: Guangzhou Lianjie Precision Technology Co ltd
Current assignee: Guangdong Lianjie Precision Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-15
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a photovoltaic inverter wiring terminal connector which comprises a shell and a movable cover plate, wherein connecting blocks are arranged on two sides of the top of the shell, each connecting block is provided with a connecting clamp hole and a positioning hole, two sides of one end of the movable cover plate are provided with a connecting bulge and a positioning bulge, the shell and the movable cover plate are movably connected through the connecting clamp holes and the connecting bulges, a plurality of first wiring grooves are formed in the shell, end holes penetrating through the upper surface and the lower surface of the shell are formed in the first wiring grooves, and bus terminals are inserted in the end holes. The connector can fix the movable cover plate through the fixing hole, so that the connector is convenient to install and maintain, and the usability and the practical service life of the connector are improved.

Description

Photovoltaic inverter binding post connector

Technical Field

The utility model relates to the technical field of electric power engineering, in particular to a photovoltaic inverter wiring terminal connector.

Background

Photovoltaic power generation systems have been installed and applied in projects such as public lighting, security facilities, office building development and the like, and when clean power is provided for electric facilities, only alternating current can supply power to most general electric appliances, so that a power electronic inverter which converts direct current generated by photovoltaic cells or direct current of storage batteries into alternating current is a necessary device of the photovoltaic power generation systems.

Although the cover plate of most connectors of the existing inverter can move, the cover plate is lack of a fixed structure and is easy to automatically cover, so that the installation and the maintenance of workers are influenced, and inconvenience is caused. Meanwhile, the structure is easy to loosen, the normal work and the service life of the connector are influenced, for example, the cover plate is easy to shake and damage except that the cover plate cannot be fixed.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects in the background art, the utility model provides a photovoltaic inverter wiring terminal connector, which solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

photovoltaic inverter binding post connector, including casing and removable cover, the top both sides of casing all are equipped with the connecting block of being connected with removable cover, the connecting block is equipped with joint card hole and locating hole, removable cover one end both sides all are equipped with connects protruding and location arch, the casing passes through joint card hole and connects protruding swing joint with removable cover, the casing is equipped with the first wiring groove of a plurality of, first wiring inslot all is equipped with an end hole that runs through the casing upper and lower surface, the end hole interpolation is equipped with the bus terminal.

As a further scheme of the utility model, the connecting block and the shell are integrally formed, the connecting block is in a fan shape, the inner sides of the connecting block are respectively provided with a guide structure, one side of each guide structure, which is close to the positioning hole, is provided with a guide inclined plane, and the joint of the outer side of the connecting block and the shell is provided with an arc inclined plane.

As a further scheme of the utility model, the tail end of the movable cover plate between the connecting blocks is provided with a leaning wall, one side of the movable cover plate, which is in contact with the shell, is provided with a positioning block, and the tail end of the movable cover plate is provided with a plurality of avoiding openings.

As a further scheme of the utility model, a first sealing ring is arranged on the lower surface of the shell around the second wiring groove, a positioning groove corresponding to the positioning block is arranged on the outer side of the shell, a first limiting groove is further arranged on one side of the shell, a plurality of connecting holes are formed in both ends of the shell, and a protective cap is arranged on one side of each connecting hole.

As a further scheme of the utility model, a baffle plate for separating is arranged between the first wiring grooves, a slot and a reinforcing rib are arranged at one end of the baffle plate and the shell far away from the connecting block, and an extension plate is inserted into the slot.

As a further scheme of the utility model, one side of the end hole, which is close to the movable cover plate, is provided with injection molding wide positions, the number of the second wiring grooves is consistent with that of the first wiring grooves, and the second wiring grooves are provided with bolt holes.

As a further scheme of the utility model, the bus terminal comprises a connecting plate and connecting bolts arranged at two ends of the connecting plate, one end of the connecting plate is provided with a connecting column and a through hole, the top of the connecting plate is provided with a clamping groove, and a second sealing ring which surrounds and covers the connecting plate is arranged in the clamping groove.

As a further scheme of the utility model, one side of the connecting plate, which is close to the movable cover plate, is provided with a PCB which is sleeved with all the connecting columns, the top of the PCB is provided with a limiting plate, the limiting plate is provided with a second limiting groove corresponding to the baffle, and the limiting plate is also provided with a limiting block corresponding to the first limiting groove.

The utility model has the beneficial effects that: the movable cover plate can be fixed at a certain opening angle through the connected positioning hole and the connecting protrusion, so that the connector is convenient to install and maintain, and the problem that the installation and maintenance of the connector cover plate cannot be fixedly influenced is solved. Meanwhile, the connector is stable in internal structure, the whole structure is more stable through the fixation of the fixing plate and the limiting plate, and the normal work and the practical service life of the connector are guaranteed. Besides, the connector is provided with structures such as a protective cap and the like on the connecting bolt, so that the anti-corrosion capability of the connecting structure is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view of the removable cover of the present invention.

Fig. 4 is a top view of the housing of the present invention.

Fig. 5 is a bottom view of the housing of the present invention.

Fig. 6 is a schematic structural diagram of the limiting plate of the utility model.

Fig. 7 is a schematic structural diagram of a bus terminal according to the present invention.

Wherein: the connecting structure comprises a shell 1, a first wiring groove 11, an end hole 12, a second wiring groove 13, a first sealing ring 14, a positioning groove 15, a first limiting groove 16, a connecting hole 17, a protective cap 18, an injection molding wide position 19, a movable cover plate 2, a connecting protrusion 21, a positioning protrusion 22, a positioning block 23, a position avoiding opening 24, a leaning wall 25, a connecting block 3, a connecting clamp hole 31, a positioning hole 32, a guiding structure 33, a guiding inclined plane 34, an arc-shaped inclined plane 35, a bus terminal 4, a bolt hole 41, a connecting plate 42, a wiring bolt 43, a connecting column 44, a through hole 45, a clamping groove 46, a second sealing ring 47, a baffle plate 5, a slot 51, an extension plate 52, a PCB plate 53, a limiting plate 54, a second limiting groove 55, a limiting block 56 and a reinforcing rib 57.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings and related embodiments, wherein the following related embodiments are merely preferred embodiments for better illustrating the present invention itself, and the embodiments of the present invention are not limited to the following embodiments, and the present invention relates to the related essential parts in the technical field, which should be regarded as the known technology in the technical field and can be known and grasped by those skilled in the art.

Referring to fig. 1 to 7, a photovoltaic inverter connecting terminal connector includes a housing 1 and a movable cover plate 2, wherein two sides of the top of the housing 1 are respectively provided with a connecting block 3 connected with the movable cover plate 2, the connecting block 3 is provided with a connecting block hole 31 and a positioning hole 32, two sides of one end of the movable cover plate 2 are respectively provided with a connecting protrusion 21 and a positioning protrusion 22, the housing 1 and the movable cover plate 2 are movably connected through the connecting block hole 31 and the connecting protrusion 21, the housing 1 is provided with a plurality of first wiring grooves 11, each of the first wiring grooves 11 is internally provided with an end hole 12 penetrating through the upper and lower surfaces of the housing 1, and a bus terminal 4 is inserted into the end hole 12.

Referring to fig. 1 to 5, as a further aspect of the present invention, the connecting block 3 and the housing 1 are integrally formed, the connecting block 3 is fan-shaped, the inner sides of the connecting block 3 are provided with guiding structures 33, one side of each guiding structure 33 close to the positioning hole 32 is provided with a guiding inclined surface 34, and the joint between the outer side of the connecting block 3 and the housing 1 is provided with an arc-shaped inclined surface 35.

It should be noted that, the housing 1 and the movable cover plate 2 of the present invention are movably connected through the connecting card hole 31 of the connecting block 3 and the connecting protrusion 21, so that the movable cover plate 2 can move above the housing 1, which is convenient for the wiring and maintenance of the connector. The connecting block 3 is provided with the positioning hole 32 and the guiding structure 33, and the movable cover plate 2 is provided with the positioning protrusion 22, so that the movable cover plate 2 can be fixed at a fixed opening angle after being opened, when the movable cover plate 2 is opened upwards, the positioning protrusion 22 moves towards the housing 1 in the guiding structure 33, when the positioning protrusion 22 moves to the guiding inclined surface 34 of the guiding structure 33, the positioning protrusion slides into the positioning hole 32 and is clamped by the positioning hole 32, the movable cover plate 2 cannot move continuously and is kept at the fixed opening angle, and therefore the movable cover plate is convenient for a worker to overhaul, and the worker does not need to take the hand to hold the movable cover plate 2 in the overhauling process.

Arc inclined plane 35 is connecting block 3 with casing 1 is connected more naturally, avoids too directly, is in easily from junction fracture takes place when the connecting block bears too big pressure, influences removable cover 2's connection improves simultaneously connecting block 3's life, connecting block 3 wholly is fan-shaped, adaptation that also can be better the protruding 22's of location activity orbit, better bearing the pressure that the protruding 22 of location was exerted provides sufficient support.

It should be noted that, in the utility model, the connecting block 3 and the housing 1 are integrally formed, and an arc-shaped inclined surface is arranged at the joint, so that the connection between the connecting block 3 and the housing 1 is more stable and firm, the bearing capacity is better, and the service life of the movable cover plate is prolonged.

Referring to fig. 1 to 5, as a further aspect of the present invention, a leaning wall 25 is disposed at the end of the movable cover plate 2 between the connection blocks 3, a positioning block 23 is disposed at one side of the movable cover plate 2 contacting the housing 1, and a plurality of avoiding openings 24 are disposed at the end of the movable cover plate 2.

It should be noted that, the support wall 25 of the present invention is used for supporting the movable cover plate 2, after the movable cover plate 2 is clamped at a fixed opening angle by the fixing hole, the support wall 25 of the movable cover plate 2 abuts against the outer wall of the housing 1 between the connecting blocks 3, so that the movable cover plate 2 does not move any longer, and the support force of the housing 1 on the movable cover plate 2 is increased to make the movable cover plate 2 more easily maintain an open state, which is convenient for a worker to overhaul and install, in addition, the pressure borne by the connecting block 3 is reduced, the damage of the connecting block 3 caused by the excessive pressure borne by the connecting block 3 is avoided, and the service life of the present invention is ensured.

Referring to fig. 1 to 5, as a further aspect of the present invention, a first sealing ring 14 is disposed on the lower surface of the housing 1 around a second wiring groove 13, a positioning groove 15 corresponding to a positioning block 23 is disposed on the outer side of the housing 1, a first limiting groove 16 is further disposed on one side of the housing 1, a plurality of connecting holes 17 are disposed at both ends of the housing 1, and a protective cap 18 is disposed on one side of the connecting holes 17.

Referring to fig. 1 to 5, as a further aspect of the present invention, a baffle 5 for separating is disposed between the first wire connecting grooves 11, a slot 51 and a reinforcing rib 57 are disposed at one end of the baffle 5 and the housing 1 away from the connecting block 3, and an extension plate 52 is inserted into the slot 51.

It should be noted that, the positioning block 23 of the movable cover plate 2 of the present invention is matched with the housing 1 and the positioning slot 15, so that the movable cover plate 2 can be accurately covered when being covered with the housing 1, and meanwhile, the movable cover plate 2 is prevented from falling off due to the swing of the movable cover plate 2 caused by external force after being covered, so as to improve the tightness of the covering between the movable cover plate 2 and the housing 1. When the connecting hole 17 is used for connecting other equipment, a bolt penetrates through the connecting hole 17 to tightly connect and fix the connector with other equipment, and the avoidance port 24 is used for avoiding when a user installs the bolt, so that the user can conveniently fix the connector with other equipment by using the bolt, and the tail end of the movable cover plate 2 is prevented from interfering with the operation of the user; the protective cap 18 is used for protecting the bolt, so that the bolt is prevented from being damaged by damp, and meanwhile, the first sealing ring 14 is matched, so that the sealing performance of the connector is improved, and the tightness of connection and the service life of the connector are ensured. Baffle 5 with the one end of casing 1 all is equipped with slot 51, the slot 51 interpolation is equipped with extension plate 52 is favorable to the extension casing 1 first wiring groove 11 makes things convenient for the wiring and connects. The strengthening rib 57 is arranged on the baffle, so that the connector is prevented from deforming during production and use, and the strength and stability of the connector are further improved.

Referring to fig. 1 to 5, as a further aspect of the present invention, an injection molding wide part 19 is disposed on one side of the end hole 12 close to the removable cover plate 2, the number of the second wiring grooves 13 is the same as the number of the first wiring grooves 11, and the second wiring grooves 13 are all provided with bolt holes 41.

Referring to fig. 7, as a further aspect of the present invention, the bus terminal 4 includes a connection plate 42 and connection bolts 43 disposed at two ends of the connection plate 42, one end of the connection plate 42 is provided with a connection post 44 and a through hole 45, the top of the connection plate 42 is provided with a slot 46, and a second sealing ring 47 surrounding the connection plate 42 is disposed in the slot 46.

It should be noted that, in the present invention, the bus terminal 4 is disposed in the end hole 12, the connecting plate 42 connects the upper and lower surfaces of the housing 1 to ensure the vertical communication of the housing 1, the upper end of the connecting plate 42 has a non-uniform shape, which is beneficial to the orderly arrangement of the lower ends of the bus terminal 4, and the connecting bolts 43 are disposed at the two ends of the connecting plate 42, which is also beneficial to the convenience of the connection of the connector. The injection molding wide position 19 is arranged at the top of the end hole 12, so that a sealing block is arranged at the end hole 12 to seal the end hole 12, and the whole sealing performance is ensured. The top of the bus terminal 4 is provided with the clamping groove 46, the clamping groove 46 is provided with the second sealing ring 47, so that the bus terminal 4 can form a sealed environment in the end hole 12, and the phenomenon that part of water flow in a severe environment of the connector flows into the connector along with parts such as cables and the like to influence the working environment of the connector, safety accidents occur in working, the safety of the connector is improved, meanwhile, a closed space is formed in the connector to isolate external water vapor, and the corrosion of internal parts is prevented, so that the service life is influenced. The second wiring groove 13 is provided with the bolt hole 41, and the wiring bolt 43 at the lower end of the bus terminal 4 can be fixed, thereby facilitating wiring by a user.

Referring to fig. 1 to 6, as a further aspect of the present invention, a PCB 53 sleeved with all the connecting posts 44 is disposed on one side of the connecting plate 42 close to the movable cover 2, and a limiting plate 54 is disposed on the top of the PCB 53.

It should be noted that the PCB 53 of the present invention is used for connecting and fixing the bus terminal 4, so as to prevent the bus terminal 4 from moving in the end hole 12 and performing a simultaneous safety connection with the bus terminal 4, which affects the stability of the wiring and the electrical connection, and facilitate the production and assembly. The limiting plate 54 is used for limiting the movement of the PCB 53, so that the PCB 53 can be fully connected and fixed with the bus terminal 4, the overall structure is more stable and firm, and the stability and the service life of the utility model are improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Photovoltaic inverter binding post connector, including casing (1) and removable cover (2), its characterized in that, the top both sides of casing (1) all are equipped with connecting block (3) of being connected with removable cover (2), connecting block (3) are equipped with joint card hole (31) and locating hole (32), removable cover (2) one end both sides all are equipped with connect arch (21) and location arch (22), casing (1) and removable cover (2) are through joint card hole (31) and connect arch (21) swing joint, casing (1) is equipped with the first wiring groove (11) of a plurality of, all be equipped with one end hole (12) that run through casing (1) upper and lower surface in first wiring groove (11), end hole (12) interpolation is equipped with bus terminal (4).

2. The photovoltaic inverter wiring terminal connector according to claim 1, wherein the connecting block (3) is integrally formed with the housing (1), the connecting block (3) is fan-shaped in overall shape, the inner sides of the connecting block (3) are provided with guide structures (33), one side of each guide structure (33) close to the positioning hole (32) is provided with a guide inclined surface (34), and the joint of the outer side of the connecting block (3) and the housing (1) is provided with an arc inclined surface (35).

3. The photovoltaic inverter terminal connector according to claim 1, wherein a leaning wall (25) is arranged at the tail end of the movable cover plate (2) between the connecting blocks (3), a positioning block (23) is arranged on one side of the movable cover plate (2) contacting with the shell (1), and a plurality of position avoiding openings (24) are arranged at the tail end of the movable cover plate (2).

4. The pv inverter connection terminal connector according to claim 1, wherein the lower surface of the housing (1) is provided with a first sealing ring (14) around the second connection groove (13), the outer side of the housing (1) is provided with a positioning groove (15) corresponding to the positioning block (23), one side of the housing (1) is further provided with a first limiting groove (16), both ends of the housing (1) are provided with a plurality of connection holes (17), and one side of the connection holes (17) is provided with a protective cap (18).

5. The pv inverter connection terminal connector according to claim 1, wherein a blocking plate (5) for separating is disposed between the first wiring grooves (11), the blocking plate (5) and an end of the housing (1) away from the connecting block (3) are provided with a slot (51) and a reinforcing rib (57), and an extension plate (52) is inserted into the slot (51).

6. The pv inverter connection terminal connector according to claim 4, characterized in that the end openings (12) are provided with injection-molded wide portions (19) on the side adjacent to the removable cover (2), the number of the second wiring grooves (13) corresponds to the number of the first wiring grooves (11), and the second wiring grooves (13) are provided with bolt holes (41).

7. The photovoltaic inverter terminal connector according to claim 1, wherein the bus terminal (4) comprises a connecting plate (42) and a connecting bolt (43) arranged at two ends of the connecting plate (42), a connecting column (44) and a through hole (45) are arranged at one end of the connecting plate (42), a clamping groove (46) is arranged at the top of the connecting plate (42), and a second sealing ring (47) surrounding and covering the connecting plate (42) is arranged in the clamping groove (46).

8. The photovoltaic inverter wiring terminal connector according to claim 7, wherein a PCB (53) sleeved with all the connecting posts (44) is arranged on one side of the connecting plate (42) close to the movable cover plate (2), a limiting plate (54) is arranged on the top of the PCB (53), a second limiting groove (55) corresponding to the baffle (5) is arranged on the limiting plate (54), and a limiting block (56) corresponding to the first limiting groove (16) is further arranged on the limiting plate (54).