CN220774816U - Photovoltaic connector - Google Patents

Abstract

The application relates to a photovoltaic connector, which comprises a metal connecting wire terminal and a shell, wherein the metal connecting wire terminal comprises a conductive unit, a first terminal and at least two second terminals, wherein the first terminal and the at least two second terminals are connected to the conductive unit in a conductive way; the utility model provides a photovoltaic connector realizes the collection connection between first terminal and two at least second terminals through electrically conductive unit to through making first terminal and one of them second terminal coaxial setting on the second connecting piece, be convenient for increase the second terminal on the electrically conductive unit of first terminal opposite side, make the binding post on the collection flow box can simultaneously with a plurality of photovoltaic connector's cable connection, effectively reduce the volume of collection flow box, reduce wiring quantity, through setting up electrically conductive unit in integrated into one piece's pouring shell, avoid electrically conductive unit because of receiving water gas and air emergence corruption, effectively guarantee life.

Description

Photovoltaic connector

Technical Field

The application relates to the field of energy storage technology, in particular to a photovoltaic connector.

Background

The current photovoltaic power generation system needs to interconnect a plurality of photovoltaic connectors through cables to form a photovoltaic connector array for outputting large voltage outwards, and the electrical connectors are indispensable devices for interconnecting the photovoltaic connectors.

However, since the cable wires of each photovoltaic connector are connected with the connection terminals on the junction box through the electrical connectors, if the photovoltaic connector array is to be formed, the number of the electrical connectors and the number of the connection terminals required to be arranged on the junction box are relatively large, so that the production cost is relatively high.

Disclosure of Invention

Based on this, it is necessary to provide a photovoltaic connector against the problems of high production cost and poor system cleanliness.

A photovoltaic connector, comprising:

the metal connecting wire terminal comprises a conductive unit, a first terminal and at least two second terminals, wherein the first terminal and the at least two second terminals are connected to the conductive unit in a conductive mode, the at least two second terminals are arranged at intervals along the length direction of the conductive unit, the first terminal and one of the second terminals are coaxially arranged, and the first terminal and the second terminal are arranged on two opposite sides of the conductive unit; and

the shell comprises a first shell and a second shell, wherein the second shell is arranged on the first shell and is of an integrated structure with the first shell, and the first shell and the second shell are both arranged outside the metal connecting wire terminal and are connected outside the conductive unit in a coating mode.

In one embodiment, the first terminal is an output connection terminal and the second terminal is an input connection terminal;

alternatively, the first terminal is an input connection terminal, and the second terminal is an output connection terminal.

In one embodiment, the housing has a pin and at least two receptacles, the at least two second terminals are disposed in the at least two receptacles in a one-to-one correspondence, and the first terminals are disposed in the pin.

In one embodiment, the housing has a receptacle and at least two pins, the first terminals are disposed in the receptacle, and the at least two second terminals are disposed in the at least two pins in one-to-one correspondence.

In one embodiment, the opposite sides of the pins are provided with a snap-fit structure.

In one embodiment, the pin is sleeved with a sealing ring.

In one embodiment, the end face of one end of the shell along the axial direction of the jack is provided with at least two slots, the at least two slots are symmetrically arranged around the jack, and the depth direction of each slot is parallel to the axial direction of the jack.

In one embodiment, the metal connection terminal further includes a first connecting member and a second connecting member, the first connecting member connects the first terminal with one of the second terminals, and the second connecting member connects the other of the second terminals;

the conductive unit comprises at least one conductive piece, one end of the conductive piece is connected with the second connecting piece, and the other end of the conductive piece is connected with the first connecting piece or the other second connecting piece;

the shell is further connected to the outer portions of the first connecting piece and the second connecting piece in a coating mode.

In one embodiment, the conductive member is disposed through the first connection member and/or the second connection member.

In one embodiment, the first connector, the first terminal and the second terminal are integrally formed; and/or, the second connecting piece and the second terminal are of an integrated structure.

Above-mentioned photovoltaic connector realizes the collection connection between first terminal and the at least two second terminals through the conductive unit to through making first terminal and one of them second terminal coaxial setting on the second connecting piece, be convenient for increase the quantity of second terminal on the conductive unit of first terminal opposite side, make photovoltaic connector's cable conductor can be connected with a plurality of binding post on the collection flow box simultaneously, perhaps make the binding post on the collection flow box can be simultaneously with a plurality of photovoltaic connector's cable connection, effectively reduce collection flow box's volume, and reduce wiring quantity, improve photovoltaic power generation system's clean and tidy degree, through setting up conductive unit in integrated into one piece's pouring shell, avoid conductive unit because of receiving the water gas and air takes place to corrode, effectively guarantee its life.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic connector according to some embodiments of the present application.

Fig. 2 is a schematic view of the external structure of the photovoltaic connector of fig. 1.

Fig. 3 is a schematic structural view of a photovoltaic connector according to other embodiments of the present application.

Fig. 4 is a schematic structural view of a photovoltaic connector in further embodiments of the present application.

Fig. 5 is a schematic structural view of a photovoltaic connector according to some embodiments of the present application.

Fig. 6 is a schematic view of the external structure of the photovoltaic connector of fig. 5.

Fig. 7 is a schematic structural diagram of a metal connection terminal of a photovoltaic connector according to some embodiments of the present application.

Reference numerals:

1. a metal wiring terminal; 11. a conductive unit; 12. a first terminal; 13. a second terminal; 14. a first connector; 15. a second connector;

2. a housing; 21. a first housing; 22. a second housing; 23. pins; 24. a jack; 25. a slot;

3. a buckle structure;

4. and (3) sealing rings.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "first," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a first" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a first feature, and the like, is that the first and first features are either in direct contact or in indirect contact through intervening media. Moreover, a first feature being "above," "over" and "above" a first feature may be that the first feature is directly above or obliquely above the first feature, or simply that the first feature level is higher than the first feature. The first feature being "under", "below" and "beneath" the first feature may be the first feature being directly under or obliquely under the first feature, or simply indicating that the first feature is less level than the first feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, an embodiment of the present application provides a photovoltaic connector, which includes a metal wiring terminal 1 and a housing 2. Wherein, shell 2 is used for holding and shelter from the protection to metal wire terminal 1. The metal connecting terminal 1 is used for enabling a cable of the photovoltaic connector to be connected with a plurality of connecting terminals on the junction box at the same time, or enabling the connecting terminals on the junction box to be connected with the cable of the photovoltaic connectors at the same time.

Referring to fig. 1 and 7, in a specific arrangement, the metal connection terminal 1 includes a conductive unit 11, and a first terminal 12 and at least two second terminals 13 electrically connected to the conductive unit 11, and the collective connection between the first terminal 12 and the at least two second terminals 13 is implemented by the conductive unit 11, so that the cable of the photovoltaic connector can be simultaneously connected with a plurality of connection terminals on the junction box or the connection terminals on the junction box can be simultaneously connected with the cable of a plurality of photovoltaic connectors through the first terminal 12 and the at least two second terminals 13.

At least two second terminals 13 are arranged at intervals along the length direction of the conductive unit 11, the first terminal 12 is arranged coaxially with one of the second terminals 13, and the first terminal 12 and the second terminal 13 are arranged on two opposite sides of the conductive unit 11. When the first terminals 12 and one of the second terminals 13 are coaxially provided on the second connector 15 and the number of the second terminals 13 is three or more, the plurality of second terminals 13 can be provided around the first terminals 12 with the first terminals 12 as axes.

For example, referring to fig. 1, in some embodiments, two second terminals 13 are provided, two second terminals 13 are disposed at intervals along the length direction of the conductive unit 11, the first terminal 12 is disposed coaxially with one of the second terminals 13, and the first terminal 12 and the second terminal 13 are disposed on two sides of the conductive unit 11 facing away from each other. Referring to fig. 3, in other embodiments, three second terminals 13 are provided, three second terminals 13 are disposed at intervals along the length direction of the conductive unit 11, the first terminal 12 is disposed coaxially with the second terminal 13 located in the middle, and the first terminal 12 and the second terminal 13 located in the middle are disposed on two sides of the conductive unit 11 facing away from each other.

Referring to fig. 1 and 2, the housing 2 includes a first housing 21 and a second housing 22, the second housing 22 is disposed on the first housing 21 and is integrally formed with the first housing 21, and the first housing 21 and the second housing 22 are both disposed outside the metal connection terminal 1 and are coated and connected outside the conductive unit 11.

Specifically, the first shell 21 and the second shell 22 are matched to form the shell 2, and the shell 2 is of an integrally-formed pouring structure, so that a better sealing effect is achieved. The housing 2 is internally provided with a containing cavity, the conductive unit 11, the first terminal 12 and the second terminal 13 are arranged in the containing cavity, the housing 2 is provided with a plurality of channels for the containing cavity to be communicated with the outside, the first terminal 12 and the second terminal 13 are located in different channels, and a wiring terminal on the bus box and a cable of the photovoltaic connector can be inserted into the channels to be connected with the first terminal 12 or the second terminal 13. The conductive unit 11 is in contact with the inner peripheral surface of the accommodating cavity, and the shell 2 is of a pouring structure, so that the conductive unit 11 can be prevented from being corroded by water vapor and air, and the service life of the conductive unit is effectively ensured.

Above-mentioned photovoltaic connector realizes the collection connection between first terminal 12 and two at least second terminals 13 through conductive unit 11 to through making first terminal 12 and one of them second terminal 13 coaxial arrangement on second connecting piece 15, be convenient for increase the quantity of second terminal 13 on conductive unit 11 of first terminal 12 opposite side, make photovoltaic connector's cable conductor can be connected with a plurality of binding post on the collection flow box simultaneously, perhaps make the binding post on the collection flow box can be connected with a plurality of photovoltaic connector's cable conductor simultaneously, effectively reduce collection flow box's volume, and reduce wiring quantity, improve photovoltaic power generation system's clean and tidy degree, through setting up conductive unit 11 in integrated into one piece's pouring shell 2, avoid conductive unit 11 to corrode because of receiving aqueous vapor and air, effectively guarantee its life.

In one embodiment, the first terminal 12 is an output connection terminal and the second terminal 13 is an input connection terminal; alternatively, the first terminal 12 is an input connection terminal, and the second terminal 13 is an output connection terminal.

Specifically, referring to fig. 1, in one embodiment, two input connection terminals are disposed at intervals along the length direction of the conductive unit 11, and an output connection terminal and one of the input connection terminals are disposed on opposite sides of the conductive unit 11, and by connecting two connection terminals on the bus box with the two input connection terminals, a cable of the photovoltaic connector is connected with the output connection terminal, so that the cable of the photovoltaic connector can be connected with the two connection terminals on the bus box at the same time.

Referring to fig. 5, in another embodiment, two output connection terminals are disposed at intervals along the length direction of the conductive unit 11, and the input connection terminal and one of the output connection terminals are disposed at opposite sides of the conductive unit 11. Through being connected two output connection terminals with the cable conductor of two photovoltaic connectors, with the binding post and the input connection terminal connection on the collection flow box, the purpose that makes the binding post on the collection flow box can be simultaneously with two photovoltaic connector's cable conductor connection is realized.

Referring to fig. 1 and 2, in one embodiment, the housing 2 has a pin 23 and at least two receptacles 24, at least two second terminals 13 are disposed in the at least two receptacles 24 in a one-to-one correspondence, and the first terminals 12 are disposed in the pin 23.

Specifically, referring to fig. 1, in one embodiment, the housing 2 has a pin 23 and two insertion holes 24, and a receiving chamber and three passages for communicating the receiving chamber with the outside are provided in the housing 2, the three passages being coaxial with the pin 23 and the two insertion holes 24, respectively. The first terminal 12 and the two second terminals 13 are respectively located in the three passages, and the outer peripheral surface of the first terminal 12 abuts against the inner peripheral surface of the pin 23. The connection terminals on the header box and the cable wires of the two photovoltaic connectors can be inserted into the pins 23 and the two insertion holes 24 respectively to be connected with the first terminal 12 and the two second terminals 13.

Referring to fig. 3, in another embodiment, the housing 2 has a pin 23 and three insertion holes 24, and a receiving chamber and four channels for communicating the receiving chamber with the outside are provided in the housing 2, the four channels being coaxial with the pin 23 and the three insertion holes 24, respectively. The first terminal 12 and the three second terminals 13 are respectively located in the four channels, and the outer peripheral surfaces of the first terminals 12 are abutted against the inner peripheral surfaces of the pins 23. The connection terminals on the header box and the cable wires of the three photovoltaic connectors can be inserted into the pins 23 and the three insertion holes 24 respectively to be connected with the first terminals 12 and the three second terminals 13.

Referring to fig. 5 and 6, in one embodiment, the housing 2 has a receptacle 24 and at least two pins 23, the first terminals 12 are disposed in the receptacle 24, and the at least two second terminals 13 are disposed in the at least two pins 23 in a one-to-one correspondence.

Specifically, referring to fig. 5, in an embodiment, the housing 2 has a receptacle 24 and two pins 23, and a receiving cavity and three channels for communicating the receiving cavity with the outside are provided in the housing 2, the three channels being respectively connected to the receptacle 24 and the two pins 23. The first terminal 12 and the two second terminals 13 are respectively located in the three passages, and the outer peripheral surfaces of the second terminals 13 are abutted against the inner peripheral surfaces of the pins 23. The cable wires of the photovoltaic connector and the two connection terminals on the header box can be inserted into the insertion holes 24 and the two pins 23, respectively, to be connected with the first terminal 12 and the two second terminals 13.

Referring to fig. 4, in another embodiment, the housing 2 has a socket 24 and three pins 23, and a receiving cavity and four channels for communicating the receiving cavity with the outside are provided in the housing 2, the four channels being coaxial with the pins 23 and the three sockets 24, respectively. The first terminal 12 and the three second terminals 13 are respectively located in the four channels, and the outer peripheral surfaces of the second terminals 13 are abutted against the inner peripheral surfaces of the pins 23. The cable wires of the photovoltaic connector and the three connection terminals on the header box can be inserted into the insertion holes 24 and the three pins 23, respectively, to be connected with the first terminals 12 and the three second terminals 13.

Referring to fig. 5 and 6, in one embodiment, the opposite sides of the pins 23 are provided with snap structures 3. The fastening structure 3 enhances the stability of the cable wires of the photovoltaic connector or the connection terminals on the bus box when the connection terminals are inserted into the pins 23 and connected with the first terminals 12 or the second terminals 13.

Specifically, the buckle structure 3 includes a spring plate and a clamping block, and the clamping block is arranged on the spring plate. The last fixed knot that has of binding post on photovoltaic connector's cable conductor or the case that converges constructs is equipped with in the fixed knot structure with buckle structure 3 assorted draw-in groove, when buckle structure 3 inserts in the draw-in groove, the shell fragment can receive pressure earlier and drive the fixture block and remove, makes the fixture block card solid in the draw-in groove through the resilience force that the resilience produced.

In one embodiment, the pin 23 is sleeved with a sealing ring 4. Specifically, the fixing structure further has a fixing groove coaxial with the clamping groove, and when the fastening structure 3 is inserted into the clamping groove, the sealing ring 4 is located in the fixing groove and abuts against the inner side surface of the fixing groove, so as to further enhance the stability of the cable wire of the photovoltaic connector or the connection terminal on the header box when the connection terminal is inserted into the pin 23 and connected with the first terminal 12 or the second terminal 13.

Referring to fig. 1 and 2, in one embodiment, at least two slots 25 are provided on an end surface of the housing 2 along an axial direction of the jack 24, the at least two slots 25 are symmetrically disposed around the jack 24, and a depth direction of the slots 25 is parallel to the axial direction of the jack 24.

Specifically, the cable or the connection terminal on the bus box of the photovoltaic connector is provided with a snap-fit structure matched with the slot 25, and when the cable or the connection terminal on the bus box of the photovoltaic connector is inserted into the jack 24 to be connected with the first terminal 12 or the second terminal 13, the snap-fit structure can be inserted into the slot 25 of the housing 2, so as to further enhance the stability after connection.

Referring to fig. 1 and 7, in one embodiment, the metal connection terminal 1 further includes a first connecting member 14 and a second connecting member 15, wherein the first connecting member 14 connects the first terminal 12 with one of the second terminals 13, and the second connecting member 15 connects the other of the second terminals 13. The conductive unit 11 includes at least one conductive member, one end of which is connected to the second connecting member 15, and the other end of which is connected to the first connecting member 14 or another second connecting member 15. That is, the first and second connection members 14 and 15 assist the conductive members to be connected with the first and second terminals 12 and 13.

The housing 2 is further connected to the outside of the first connecting piece 14 and the second connecting piece 15 in a coating manner, so that the first connecting piece 14 and the second connecting piece 15 are prevented from being corroded by moisture and air, and the service life of the housing is effectively ensured.

In one embodiment, the conductive member is disposed on the first connecting member 14 and/or the second connecting member 15 in a penetrating manner, so that a larger contact area is formed between the conductive member and the first connecting member 14 and the second connecting member 15, and the connection stability between the conductive member and the first connecting member 14 and the second connecting member 15 is effectively enhanced.

In one embodiment, the first connecting piece 14, the first terminal 12 and the second terminal 13 are integrally formed; and/or the second connecting piece 15 and the second terminal 13 are in an integral structure. By providing the first connecting member 14 and the first and second terminals 12 and 13 as an integral structure and providing the second connecting member 15 and the second terminal 13 as an integral structure, the number of parts can be effectively reduced, and the installation cost can be reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A photovoltaic connector, comprising:

the metal connecting wire terminal comprises a conductive unit, a first terminal and at least two second terminals, wherein the first terminal and the at least two second terminals are connected to the conductive unit in a conductive mode, the at least two second terminals are arranged at intervals along the length direction of the conductive unit, the first terminal and one of the second terminals are coaxially arranged, and the first terminal and the second terminal are arranged on two opposite sides of the conductive unit; and

the shell comprises a first shell and a second shell, wherein the second shell is arranged on the first shell and is of an integrated structure with the first shell, and the first shell and the second shell are both arranged outside the metal connecting wire terminal and are connected outside the conductive unit in a coating mode.

2. The photovoltaic connector of claim 1, wherein the first terminal is an output connection terminal and the second terminal is an input connection terminal;

alternatively, the first terminal is an input connection terminal, and the second terminal is an output connection terminal.

3. The photovoltaic connector of claim 1, wherein the housing has a pin and at least two receptacles, the at least two second terminals being disposed in the at least two receptacles in a one-to-one correspondence, the first terminals being disposed in the pin.

4. The photovoltaic connector of claim 1, wherein the housing has a receptacle and at least two pins, the first terminal being disposed within the receptacle and the at least two second terminals being disposed within the at least two pins in a one-to-one correspondence.

5. The photovoltaic connector of any of claims 3 or 4, wherein opposing sides of the pins are provided with snap features.

6. The photovoltaic connector of claim 5, wherein the pins are provided with sealing rings.

7. The photovoltaic connector according to any one of claims 3 and 4, wherein at least two slots are provided on an end face of the housing along an axial direction of the insertion hole, the at least two slots are symmetrically arranged around the insertion hole, and a depth direction of the slots is parallel to the axial direction of the insertion hole.

8. The photovoltaic connector of claim 1, wherein the metal wire terminal further comprises a first connecting member and a second connecting member, the first connecting member connecting the first terminal with one of the second terminals, the second connecting member connecting the other of the second terminals;

the conductive unit comprises at least one conductive piece, one end of the conductive piece is connected with the second connecting piece, and the other end of the conductive piece is connected with the first connecting piece or the other second connecting piece;

the shell is further connected to the outer portions of the first connecting piece and the second connecting piece in a coating mode.

9. The photovoltaic connector of claim 8, wherein the conductive member is threaded on the first and/or second connector.

10. The photovoltaic connector of claim 8, wherein the first connector is an integrally formed structure with the first and second terminals; and/or, the second connecting piece and the second terminal are of an integrated structure.