CN205566212U - Photovoltaic module terminal box and photovoltaic module connected system - Google Patents

Abstract

The utility model relates to a photovoltaic module terminal box and wiring system, this terminal box include box body and connecting piece, and the box body includes casing, first electrode, second electrode, first electrode lead -out wire and second electrode lead -out wire, first electrode lead -out wire and first electrode, and the second electrode lead -out wire is connected with the second electrode, the connecting piece includes first contact, second contact, first connecting cable, second connecting cable, first connecting cable and second connecting cable respectively with first contact and the 2nd contact connection, insert when the connecting piece in the time of in the box body, first contact is connected with the first electrode, and the second contact is connected with the second electrode. This wiring system includes a plurality of terminal boxes. Above -mentioned photovoltaic module terminal box and system can connect cable junction through first connecting cable or second between the connecting piece of adjacent terminal box when using, the length of connecting cable can be set for according to actual conditions, can not cause the waste.

Description

Photovoltaic component terminal box and photovoltaic module connection system

Technical field

This utility model relates to photovoltaic apparatus field, particularly relates to a kind of photovoltaic component terminal box and photovoltaic Component connecting system.

Background technology

Photovoltaic component terminal box Main Function is to be exported on outside line by the electric power that photovoltaic module produces.Existing Some photovoltaic component terminal boxes are arranged on the back side of photovoltaic module, and it is by the positive pole of wire connecting portion with photovoltaic module Connect with negative pole, turned on outside line by cable.

At present, photovoltaic component terminal box by being arranged on two cables of extraction of the both positive and negative polarity independence of both sides, with The adjacent cable in photovoltaic component terminal box is connected by male-female coupling device, in installation process, and cable Length longer, and the distance between adjacent photovoltaic assembly is shorter, causes the waste of cable, and power damages Consumption also increases.

Utility model content

Based on this, it is necessary to provide a kind of and save cable, the photovoltaic component terminal box reducing power attenuation and company Welding system.

A kind of photovoltaic component terminal box, including box body and connector, described in the mobilizable insertion of described connector In box body；Described box body includes housing, the first electrode, the second electrode, the first electrode outlet line and the second electricity Pole lead-out wire, described first electrode and described second electrode are arranged in described housing, and described first electrode draws One end of outlet is connected with described first electrode, and the second end of described first electrode outlet line is in order to connect photovoltaic First electrode of assembly, the first end of described second electrode outlet line is connected with described second electrode, and described Second end of two electrode outlet lines is in order to connect the second electrode of photovoltaic module；Described connector includes that first touches Head, the second contact, the first connection cable, the second connection cable, described first connects cable and described second Connect cable to be connected with described first contact and described second contact respectively, when described connector inserts described box Time internal, described first contact is connected with described first electrode, and described second contact is with described second electrode even Connect.

Wherein in an embodiment, described housing arranges the chamber with opening, described first electrode and institute Stating the second electrode to be arranged in described chamber, described connector inserts in described chamber through described opening, makes Described first contact, described second contact are connected with described first electrode, described second electrode respectively.

Wherein in an embodiment, described first electrode and described second electrode are successively along described chamber Axial arranging.

Wherein in an embodiment, described first electrode and described second electrode are shell fragment.

Wherein in an embodiment, described first electrode and described second electrode are copper sheet.

Wherein in an embodiment, described photovoltaic component terminal box also includes for the described box body of fixing connection Fixing device with described connector.

Wherein in an embodiment, described fixing device includes that flange part and elastic component, described flange part set Putting on the housing, described elastic component is arranged on described connector, and described elastic component includes elastic body And hook part, described hook part, by contacting with described flange part, is fixed and is connected described connector and described box Body.

Wherein in an embodiment, described fixing device includes the screwed hole being arranged on housing, described company The screw thread arranged on fitting, described connector is fixed on described box body by screwing in described screwed hole.

Wherein in an embodiment, set between described first electrode outlet line and described second electrode outlet line It is equipped with diode.

A kind of photovoltaic module connection system, including multiple photovoltaic component terminal boxes as above, multiple connections Part connects cable by first or the second connection cable is sequentially connected with.

Above-mentioned photovoltaic component terminal box and system in use, each photovoltaic module are provided with corresponding being somebody's turn to do Photovoltaic component terminal box, can be by the first connection cable or the between the connector of two adjacent rosettees Two connect cable connects, and these length connecting cable can set according to practical situation, does not results in waste, And only can connect the photovoltaic module in photovoltaic array in connector need to be inserted box body, install very convenient.

Accompanying drawing explanation

Fig. 1 is the structure sectional view of the box body in photovoltaic component terminal box；

Fig. 2 is the structural representation of the connector in photovoltaic component terminal box；

Fig. 3 is the structural representation that the connector in photovoltaic module wiring system is connected.

Detailed description of the invention

Below in conjunction with the accompanying drawings, photovoltaic component terminal box of the present utility model and wiring system are described in detail.

Refer to Fig. 1 and Fig. 2, photovoltaic component terminal box can be connected with photovoltaic module, and by photovoltaic module The electric power produced exports in external circuit, and this photovoltaic component terminal box includes box body 100 and connector 200, In connector 200 mobilizable insertion box body 100.Refer to Fig. 1, box body 100 include housing 110, One electrode the 121, second electrode the 122, first electrode outlet line the 131, second electrode outlet line 132, first Electrode 121 and the second electrode 122 are arranged in housing 110, one end of the first electrode outlet line 131 with First electrode 121 connects, and its other end can be connected with the first electrode of photovoltaic module, and the second electrode is drawn One end of line 132 is connected with the second electrode 122, and its other end can be connected with the second electrode of photovoltaic module. Refer to Fig. 2, connector 200 include first contact the 211, second contact 212, first connect cable 221, Second connects cable 222, first connect cable 221 and second connect cable 222 respectively with the first contact 211 Connect with the second contact 212.When connector 200 inserts in box body 100, the first contact 211 can be with First electrode 121 connects, and the second contact 212 is connected with the second electrode 122.First electrode outlet line 131 After being connected with the first electrode of photovoltaic module and the second electrode respectively with the second electrode outlet line 132, photovoltaic group Part rosette can connect, by the first connection cable 221 and second, the electric power that photovoltaic module is produced by cable 222 Transmission is to external circuit.

This photovoltaic component terminal box corresponding, adjacent company it is provided with on each photovoltaic module in photovoltaic array Connecting cable by the first connection cable or second between fitting to connect, these length connecting cable can root Set according to practical situation, do not result in waste, and only can connect photovoltaic in connector need to be inserted box body Photovoltaic module in array, installs very convenient.

In the present embodiment, housing 110 is arranged there is the chamber 111 of opening, the first electrode 121 and the Two electrodes 122 are arranged in this chamber 111, the shape of this chamber, size etc. all with connector 200 phase Adaptation, this chamber 111 has certain guidance quality so that connector 200 inserts in box body 100 smoothly, And the first electrode 121 and the second electrode 122 are in corresponding position, when connector 200 is by this opening Insert after chamber 111, first contact the 211, second contact 212 respectively with first electrode the 121, second electrode 122 connect, thus first contact the 211, second contact 212 electrically connects with photovoltaic module, and by first even Connect cable 221 and electric power is transferred out by the second connection cable 222.Preferably, by the first electrode 121 He Second electrode 122 is successively along the axial arranging of chamber 111, the first contact in corresponding connector 200 211 and second contact 212 along the axial arrangement of connector 200, insulant can be provided with between the two Both are insulated.In the present embodiment, this first electrode 121 and the second electrode 122 can be shell fragment, Being provided with two grooves on the inwall of chamber 111, the first electrode 121 and the second electrode 122 insert this respectively In two grooves, when connector 200 inserts chamber 111, connector 200 can make the first electrode 121 He Second electrode 122 occurs angle to change in the axial direction, improves contact yield.In order to improve conductivity and reduction Cost, this first electrode 121 and the second electrode 122 can be copper sheet.

When connector 200 inserts in box body 100, this photovoltaic component terminal box can arrange corresponding fixing Device so that interfix between box body 100 and connector 200, difficult drop-off, do not result in photovoltaic battle array The open circuit of row.In the present embodiment, this fixing device includes flange part 112 and elastic component 230, flange part 112 are arranged on housing 110, and elastic component 230 is arranged on connector 200, and elastic component 230 includes elasticity Main body 231 and hook part 232, hook part 232, by contacting with flange part 112, is fixed and is connected connector 200 and box body 100.Further, flange part 112 can be arranged on the passage of chamber 111, this flange Portion 112 is arranged on the inwall of chamber 111, and towards the inside protrusion of chamber 111, connector 200 inserts chamber During room 111, flange part 112 extrudes elastic body 231 so that connector 200 can enter chamber 111 smoothly In, when the first contact 211 in connector 200 and the second contact 212 respectively with the first electrode 121 and the After two electrode 122 contacts, hook part 232 contacts with flange part 112, and stops connector 200 to depart from Box body 100.When connector 200 needs to depart from box body 100, extruding connector 200 that can be artificial, make Obtaining elastic component 230 to deform upon, hook part 232 departs from flange part 112, and connector 200 can be smooth In chamber 111 take out.

Certainly fixing device can be to include other forms, for example, it is possible to be provided with screwed hole on housing, Further, this screwed hole can be to have threaded chamber 111 at nearly opening part, and connector 200 is arranged Having corresponding screw thread, connector 200 is fixed on box body 100 by screwing in screwed hole；It can also be buckle Structures etc., this is no longer going to repeat them.

When photovoltaic module is affected by shade or other factors, the current reflux of photovoltaic module can be caused, at this In embodiment, between the first electrode outlet line 131 and the second electrode outlet line 132, it is provided with diode 140, Current cut-off is responsible for by this diode 140, it is to avoid owing to current reflux causes the damage of photovoltaic module.

Present embodiment further discloses a kind of photovoltaic module connection system, and this photovoltaic module connection system includes many Individual photovoltaic component terminal box described above, a box body should be a connector relatively, wherein, box body with Corresponding photovoltaic module connects.Connector inserts in corresponding box body, connector by the first connection cable or Second connects cable is sequentially connected with, when the both sides of a connector are respectively connected with connector, in this connector The first contact by first connection cable be connected, in this connector with the second contact of the connector of side Second contact is connected with the first contact of the connector of opposite side by the second connection cable, thus by photovoltaic group Part is together in series, and after the connector connected by the way, is in the connector of both sides, each connector After a piece connection cable connects with adjacent connector, two other connection cable of the two connector is with outside Circuit connects, and by power transmission to external circuit.Refer to Fig. 3, at this with the quantity of connector 200 Being three to be illustrated, this system includes three box bodys and three connectors 200, three box bodys respectively with Corresponding three photovoltaic modulies connect, and three connectors 200 are linked together by cable, when three connections After part 200 inserts corresponding box body, three photovoltaic modulies are just cascaded, and the connector 200 of both sides is again It is connected to power station by cable, thus the electric power produced by three photovoltaic modulies transmits to power station.Certainly, light Photovoltaic assembly rosette can determine according to photovoltaic module quantity in photovoltaic array, the connection side between connector Formula is similar to manner described above.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.

Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special The protection domain of profit should be as the criterion with claims.

Claims (10)

1. a photovoltaic component terminal box, it is characterised in that including box body and connector, described connector can In the movable described box body of insertion；

Described box body includes that housing, the first electrode, the second electrode, the first electrode outlet line and the second electrode draw Outlet, described first electrode and described second electrode are arranged in described housing, described first electrode outlet line One end be connected with described first electrode, the second end of described first electrode outlet line is in order to connect photovoltaic module The first electrode, the first end of described second electrode outlet line is connected with described second electrode, described second electricity Second end of pole lead-out wire is in order to connect the second electrode of photovoltaic module；

Described connector includes the first contact, the second contact, the first connection cable, the second connection cable, institute State the first connection cable and described second connection cable connects with described first contact and described second contact respectively Connecing, when described connector inserts in described box body, described first contact is connected with described first electrode, institute State the second contact to be connected with described second electrode.

Photovoltaic component terminal box the most according to claim 1, it is characterised in that described housing arranges tool The chamber of opening, described first electrode and described second electrode is had to be arranged in described chamber, described connector Insert in described chamber through described opening, make described first contact, described second contact respectively with described the One electrode, described second electrode connect.

Photovoltaic component terminal box the most according to claim 2, it is characterised in that described first electrode and Described second electrode is successively along the axial arranging of described chamber.

Photovoltaic component terminal box the most according to claim 1, it is characterised in that described first electrode and Described second electrode is shell fragment.

Photovoltaic component terminal box the most according to claim 1, it is characterised in that described first electrode and Described second electrode is copper sheet.

Photovoltaic component terminal box the most according to claim 1, it is characterised in that described photovoltaic module connects Line box also includes for the described box body of fixing connection and the fixing device of described connector.

Photovoltaic component terminal box the most according to claim 6, it is characterised in that described fixing device bag Including flange part and elastic component, described flange part is arranged on the housing, and described elastic component is arranged on described company On fitting, described elastic component includes elastic body and hook part, and described hook part is by connecing with described flange part Touch, the described connector of fixing connection and described box body.

Photovoltaic component terminal box the most according to claim 6, it is characterised in that described fixing device bag Including the screw thread arranged on the screwed hole being arranged on housing, described connector, described connector is by screwing in institute State screwed hole to be fixed on described box body.

Photovoltaic component terminal box the most according to claim 1, it is characterised in that described first electrode draws It is provided with diode between outlet and described second electrode outlet line.

10. a photovoltaic module connection system, it is characterised in that include multiple as in claim 1 to 9 Photovoltaic component terminal box described in any one, multiple connectors connect cable by the first connection cable or second It is sequentially connected with.