CN208754240U - Terminal box - Google Patents

Abstract

An embodiment of the present invention provides a kind of terminal box, including the first box body, the second box body, conducting wire and connector.First box body has the first connection terminal for being set to end.Described conducting wire one end is connect with second box body.Described connector one end is connect with the conducting wire far from one end of second box body.The connector is provided with second connection end far from the end of the conducting wire, and second connection end and first connection terminal have matched shape.It can link together in such a way that first connection terminal of a terminal box is connected with second connection end of another terminal box between multiple terminal boxes, be reduced the length of conducting wire, to reduce volume, be easily installed and transport.

Description

Terminal box

Technical field

This application involves electricity fields, more particularly to a kind of terminal box.

Background technique

As energy problem becomes increasingly conspicuous, green energy resource becomes the hot spot of whole world research.Also therefore photovoltaic solar technology It receives significant attention.

The BIPV as derived from heliotechnics (Photovoltaic Building Integration) technology is a kind of to integrate solar power generation product Technology on to building.It can directly be generated electricity using sunlight using the solar energy photoelectric curtain wall of BIPV technology.Solar photoelectric Curtain wall is generated electricity using solar photoelectric glass, wherein the transmission that terminal box carries out electric power can be applied to.But traditional junction box body Product is larger, and installation is inconvenient.

Utility model content

Based on this, it is necessary to it is larger for traditional terminal box volume, inconvenient problem is installed, a kind of terminal box and tool are provided There is its photovoltaic module.

A kind of terminal box, comprising: the first box body has the first connection terminal for being set to end；Second box body；Conducting wire, One end is connect with second box body；And connector, one end are connect with the conducting wire far from one end of second box body, institute The other end for stating connector is provided with second connection end, and second connection end has with first connection terminal to be matched Shape.

The terminal box includes: in one of the embodiments,

Fixture block is set to the connector surface close to second connection end；And with the matched bayonet of the fixture block, It is opened in first box surface close to first connection terminal, for being clamped with the fixture block.

The terminal box includes being located on the conducting wire in one of the embodiments: the first sealing ring is set to institute State the junction of conducting wire Yu second box body；And/or second sealing ring, it is set to the connection of the conducting wire Yu the connector Place.

The terminal box includes third sealing ring in one of the embodiments, is located on second connection end and leans on The end of the nearly conducting wire.

The connector includes: the first conductive bar in one of the embodiments, and one end is electrically connected with the conducting wire, institute The other end of first conductive bar far from the conducting wire is stated to connect with second connection end.Institute in one of the embodiments, Stating the first box body includes the second conductive bar, and second conductive bar is connect with first connection terminal.

Second box body includes: diode in one of the embodiments, is set to second tray interior；The Three conductive bars are connect with one end of the diode；And the 4th conductive bar, one end is led with the diode far from the third One end of electric item connects, and the other end of the 4th conductive bar far from the diode is connect with the conducting wire.

Terminal box described in any of the above-described embodiment in one of the embodiments, first box body and described second Box body is respectively arranged at the both ends of the side of photovoltaic cell and is fixedly connected with the photovoltaic cell.

First box body and second box body are drawn just with from the photovoltaic cell in one of the embodiments, The connection of pole lead, second box body are connect with the negative wire drawn from the photovoltaic cell.

The length of the conducting wire is less than or equal between two adjacent photovoltaic cells in one of the embodiments, Gap.Above-mentioned terminal box, including spaced first box body and the second box body, and connect with second box body by conducting wire Connector, first box body and the connector are respectively provided with the first connection terminal that can connect and second connection end Son.First connection terminal and described the second of another terminal box of a terminal box can be passed through between multiple terminal boxes The mode of connection terminal connection links together, and is reduced the length of conducting wire, to reduce volume, is easily installed and transports It is defeated.

Detailed description of the invention

Fig. 1 is the schematic front view for the terminal box that an embodiment of the present invention provides；

Fig. 2 is the schematic top plan view for the terminal box that an embodiment of the present invention provides；

Fig. 3 is the schematic top plan view for the capping that an embodiment of the present invention provides；

Fig. 4 is the structural schematic diagram for the photovoltaic module with terminal box that an embodiment of the present invention provides.

Label declaration:

10 terminal boxes

100 first box bodys

110 first connection terminals

112 limit slot

120 bayonets

130 second conductive bars

140 first connection jaws

150 first operation ports

200 second box bodys

210 first sealing rings

220 diodes

230 third conductive bars

240 the 4th conductive bars

250 second connection jaws

260 third connection jaws

270 second operation ports

280 third operation ports

290 cappings

300 conducting wires

400 connectors

410 second connection ends

420 fixture blocks

430 second sealing rings

440 third sealing rings

450 first conductive bars

460 fixed parts

470 wire connecting portions

480 stop blocks

500 photovoltaic cells

510 positive wires

512 first branch lines

514 second branch lines

520 negative wires

Specific embodiment

In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.

Referring to Figure 1, an embodiment of the present invention provides a kind of terminal box 10, including the first box body 100, the second box body 200, conducting wire 300 and connector 400.First box body 100 has the first connection terminal 110 for being set to end.It is described 300 one end of conducting wire is connect with second box body 200.Described 400 one end of connector and the conducting wire 300 are far from second box One end of body 200 connects.The other end of the connector 400 is provided with second connection end 410.Second connection end 410 have matched shape with first connection terminal 110.

It is appreciated that the material of first box body 100, second box body 200 and the connector 400 is unlimited, As long as being able to maintain shape.In one embodiment, first box body 100, second box body 200 and the connection Device 400 can be isolation material, safer.Specifically, first box body 100, second box body 200 and the company Connecing device 400 can be made of plastics or ceramics.It is appreciated that first box body 100, second box body 200 and described The shape of connector 400 is unlimited.In one embodiment, first box body 100, second box body 200 and the company The shape for connecing device 400 can avoid occupying excessive space for strip to reduce volume.There is metal wire in the conducting wire 300, It is connected to for making second box body 200 generate electric appliance with the connector 400.In one embodiment, in the conducting wire 300 It can be copper wire.In one embodiment, the conducting wire 300 can be flexible wire, to facilitate installation.It is appreciated that institute It is the shape that can be coupled that the first connection terminal 110, which is stated, with second connection end 410.In one embodiment, described One connection terminal 110 can be male plug, and second connection end 410 can be female.When in use, described second connects Connecting terminal 410 and first connection terminal 110 of the adjacent terminal box 10 can connect, to make multiple wiring Box 10 connects, and realizes the transmission of electric power.

In the present embodiment, the terminal box 10 is by being arranged split type first box body 100 and second box Body 200, can effectively shorten the length of the conducting wire 300.Since the conducting wire 300 shortening subtracts the volume of the terminal box 10 Small, structure is simple, is more convenient installation and transport.It avoids and the design that traditional terminal box also needs to reserve special space is installed.

Please also refer to Fig. 2, in one embodiment, the terminal box 10 further include fixture block 420 and with the fixture block 420 Matched bayonet 120.The fixture block 420 is set to 400 surface of connector close to second connection end 410.It is described Bayonet 120 is opened in 100 surface of the first box body close to first connection terminal 110.When first connection terminal 110 When connecting with second connection end 410, the fixture block 420 is connected in the bayonet 120.

The fixture block 420 is with the bayonet 120 for making first box body 100 pass through buckle with the connector 300 Mode be fixedly connected.In one embodiment, the fixture block 420 can be wedge shape, i.e., by the fixture block 420 at first close to institute That states bayonet 120 is set as inclined-plane on one side, enters the bayonet 120 convenient for the fixture block 420, is also possible to prevent to fall off.

In one embodiment, the connector 400 further includes that wire connecting portion 470 and one end and the wire connecting portion 470 are fixed The fixed part 460 of connection.The one end of the fixed part 460 far from the wire connecting portion 470 and second connecting terminal 410 are fixed Connection.The one end of the wire connecting portion 470 far from the fixed part 460 is connect with the conducting wire 200.

In one embodiment, the wire connecting portion 470, fixation portions 460 and second connecting terminal 410 are column Shape, and the diameter of the wire connecting portion 470, the fixed part 460 and second connecting terminal 410 is sequentially reduced.Described first Connection terminal 110 includes a connection channel.When the connector 400 is connect with first box body 100, the fixed part 460 can be inserted the interface channel with second connecting terminal 410, and the end of first connection terminal 110 withstands on institute State the junction of fixed part 460 Yu the wire connecting portion 470.In one embodiment, the fixture block 420 can be set in described solid Determine portion 460, the bayonet 120 is set to the interface channel inner wall and 100 outer surface of the first box body penetrates through.

In actual application, first box body 100 and the connector 400 can also be made solid by other means Fixed connection.In one embodiment, first box body 100 can be respectively provided with matched bolt hole with the connector 400, When first connection terminal 110 is connect with second connection end 410, bolt can be used to be made across the bolt hole First box body 100 is fixedly connected with the connector 400.

In the present embodiment, by the fixture block 420 and the bayonet 120 make first connection terminal 110 with it is described Second connection end 410 is fixedly connected, and prevents second connection end 410 from falling off.

In one embodiment, the terminal box 10 include be located on the conducting wire 300 the first sealing ring 210 and/or Second sealing ring 430.First sealing ring 210 is set to the junction of the conducting wire 300 and second box body 200.Institute State the junction that the second sealing ring 430 is set to the conducting wire 300 and the connector 400.

The material of first sealing ring 210 and second sealing ring 430 is unlimited, as long as can be with water proof and dust proof. For example, the material of first sealing ring 210 and second sealing ring 430 can be rubber or polytetrafluoroethylene (PTFE).At one In embodiment, the conducting wire 300 protrudes into 200 inside of the second box body and connect with the 4th conductive bar 240, and described first is close Seal 210 is correspondingly set to inside second box body 200, for preventing dust, water along described in the entrance of 300 end of conducting wire Inside second box body 200.In one embodiment, the conducting wire 300 can protrude into connector 400 with first conductive bar 450 connections, second sealing ring 430 is correspondingly set to inside the connector 400, for preventing dust, water from described 300 end of conducting wire enters in the connector 400.

In one embodiment, the terminal box 10 further include stop block 480 and with the matched restriction of the stop block 480 Slot 112.The stop block 480 is set to 400 surface of connector close to second connection end 410.The restriction slot 112 are opened in first connection terminal 110.

In one embodiment, the stop block 480 can be strip and protrude from 400 surface of connector, described Strip stop block 480 extends along the extending direction of the connector 400.The restriction slot 112 is for bar shaped and along second box The extending direction of body 200 extends.When first connection terminal 110 is connect with second connection end 410, the restriction Block 480 slides into the restriction slot 112, moves for limiting first connection terminal 110 relative to second connection end 410 Dynamic angle docks first connection terminal 110 accurately with second connection end 410.

In one embodiment, the stop block 480 is arranged in the fixed part 460.In another embodiment, the limit Determine block 480 to be two and be symmetrically disposed on 460 two sides of fixed part, the restrictions slot 112 also there are two and correspondingly symmetrically It is set to 110 two sides of the first connection terminal.First connection terminal 110 can preferably be limited relative to described second The mobile angle of connection terminal 410.

In one embodiment, the terminal box 10 includes third sealing ring 440.The third sealing ring 440 is located on Second connection end 410 is close to the end of the conducting wire 300.

The material of the third sealing ring 440 is unlimited, as long as can be with water proof and dust proof.For example, the third sealing ring 440 material can be rubber or polytetrafluoroethylene (PTFE).The third sealing ring 440 is for preventing second connection end 410 After connecting with first connection terminal 110, water, dust or other sundries enter second connection end 410 and described the The junction of one connection terminal 110.

In one embodiment, the third sealing ring 440 is located on the fixed part 460 and second connection end 410 junction.After second connection end 410 enters the interface channel of first connection terminal 110, the third Sealing ring 440 is bonded with the inner wall of the interface channel.

In one embodiment, the connector 400 includes the first conductive bar 450.Described first conductive bar, 450 one end with The conducting wire 300 is electrically connected.The other end of first conductive bar 450 far from the conducting wire 300 and second connection end 410 connections.

The material of first conductive bar 450 is unlimited, as long as electrically conductive.In one embodiment, described first Conductive bar 450 can be metal.Specifically, first conductive bar 450 can be copper material.In another embodiment, described First conductive bar 450 can be tin-coated copper part, and electric conductivity is strong, while facilitating welding.The shape of first conductive bar 450 is not Limit, for example, can be linear, sheet or column.In one embodiment, first conductive bar 450 and the conducting wire 300 Connection can be by the way of welding, clamping or bolt crimping, to generate electric appliance connection.First conductive bar 450 and institute It, can be by the way of welding, clamping or bolt crimping when stating second connection end 410 connection of son.

In the present embodiment, the conducting wire 300 is built by first conductive bar 450 and second connection end 410 Vertical electrical connection, structure are simple.

In one embodiment, first box body 100 includes the second conductive bar 130.Second conductive bar 130 and institute State the connection of the first connection terminal 110.

When the connector 400 of one of them and described the first of another terminal box 10 of two terminal boxes 10 When box body 100 connects, first box body 100 can pass through second conductive bar 130 and the conducting wire 300 and the connection The connection of 400 electric appliance of device.The material of second conductive bar 130 is unlimited, as long as electrically conductive.In one embodiment, institute Stating the second conductive bar 130 can be metal.Specifically, second conductive bar 130 can be copper material.In another embodiment In, second conductive bar 130 can be tin-coated copper part, and electric conductivity is strong, while facilitating welding.

The shape of second conductive bar 130 is unlimited, for example, can be linear, sheet or column.In one embodiment In, second conductive bar 130 can make with first connection terminal 110 in such a way that welding, clamping or bolt crimp Second conductive bar 130 is electrically connected with first connection terminal 110.

In the present embodiment, second conductive bar 130 can provide electrical connection just for first box body 100 Benefit, and to provide condition with the connection of second box body 200.

In one embodiment, second box body 200 includes diode 220, third conductive bar 230 and the 4th conductive bar 240.The diode 220 is set to inside second box body 200.The third conductive bar 230 and the diode 220 One end connection.Described 4th conductive bar, 240 one end is connect with the diode 220 far from one end of the third conductive bar 230. The other end of 4th conductive bar 240 far from the diode 220 is connect with the conducting wire 300.

The diode 220 is bypass diode, generates hot spot effect between photovoltaic solar cell group for preventing.? In one embodiment, the diode 220, the third conductive bar 230 and the 4th conductive bar 240 be can be set in described Inside second box body 200.

Second box body 200 can pass through the third conductive bar 230 and the 4th conductive bar 240 and the conducting wire 300 are connected to 400 electric appliance of connector.The material of the third conductive bar 230 and the 4th conductive bar 240 is unlimited, only Want electrically conductive.In one embodiment, the third conductive bar 230 and the 4th conductive bar 240 can be metal. Specifically, the third conductive bar 230 and the 4th conductive bar 240 can be copper material.In another embodiment, described Three conductive bars 230 and the 4th conductive bar 240 can be tin-coated copper part, and electric conductivity is strong, while facilitating welding.

The shape of the third conductive bar 230 and the 4th conductive bar 240 is unlimited, for example, can for linear, sheet or Column.End of second box body 200 far from the conducting wire 300 can be closed.In one embodiment, the described 4th Conductive bar 240 can be connect with the conducting wire 300 by the way of welding, clamping or bolt crimping.

In the present embodiment, the third conductive bar 230 and the 4th conductive bar 240 can be second box body 200 provide the convenience of electrical connection, and connect to be electrically connected with the connector 400 generation with the conducting wire 300.

In one embodiment, first connecting terminal 110 includes a connection channel, second connecting terminal 410 It is less than the cylinder of first connecting terminal 110 including a diameter.The interface channel can be inserted in the cylinder.The cylinder Conduction can be contacted including sheet metal or connecting terminal in the interface channel.First conductive bar 450 and the cylinder Electric conductor electrical connection.Second conductive bar 130 is electrically connected with the electric conductor in the interface channel.

In one embodiment, the terminal box 10 includes that the first connection jaws 140, the second connection jaws 250 and third connect Line mouth 260.First connection jaws 140 are opened in 100 surface of the first box body, and opposite with second conductive bar 130 Setting.Second connection jaws 250 are opened in 200 surface of the second box body, and set relatively with the third conductive bar 230 It sets.The third connection jaws 260 are opened in 200 surface of the second box body, and are oppositely arranged with the 4th conductive bar 240.

First connection jaws 140, second connection jaws 250 and the third connection jaws 260 are described for installing Pass through electric wire when terminal box 10, to connect second conductive bar 130, the third conductive bar 230 and the 4th conduction Item 240.I.e. electric wire can protrude into first box body 100 from first connection jaws 140 and connect with second conductive bar 130 It connects.Electric wire can protrude into second box body 200 from second connection jaws 250 and connect with the third conductive bar 230.Electric wire Second box body 200 can be protruded into from the third connection jaws 260 to connect with the 4th conductive bar 240.

In the present embodiment, by opening up first connection jaws 140 on 100 surface of the first box body, described Two box bodys, 200 surface opens up second connection jaws 250 relative to the third conductive bar 230 and the 4th conductive bar 240 With the third connection jaws 260, electric wire is protruded into, facilitates wiring process.

Please also refer to Fig. 3, in one embodiment, the terminal box 10 includes the first operation port 150, the second operation port 270, third operation port 280 and for closing first operation port 150, second operation port 270 and the third Three cappings 290 of operation port 280.First operation port 150 is opened in 100 surface of the first box body, and with described One connection jaws 140 are oppositely arranged.Second operation port 270 is opened in 200 surface of the second box body, and connects with described second Line mouth 250 is oppositely arranged.The third operation port 280 is opened in 200 surface of the second box body, and with the third connection jaws 260 are oppositely arranged.

When connecting electric wire and second conductive bar 130, electric wire protrudes into first box from first connection jaws 140 Body 100 is connect with second conductive bar 130.The electric wire can be fixed by the first operation port 150.

When connecting electric wire and the third conductive bar 230, electric wire protrudes into second box body from the second connection jaws 250 200 connect with the third conductive bar 230.The electric wire can be fixed by second operation port 270.

When connecting electric wire and four conductive bar 240, electric wire protrudes into second box from the third connection jaws 260 Body 200 is connect with the 4th conductive bar 240.The electric wire can be fixed by the third operation port 280.One In a embodiment, circlip can be used by the electric wire and be fixed on second conductive bar 130,230 and of third conductive bar On 4th conductive bar 240.

The capping 290 can prevent sundries from entering inside first box body 100 and second box body 200.Into one Step ground, described cover in 290 can also be arranged sealing ring, reach better water proof and dust proof effect.The sealing ring can be set In the edge that the capping 290 is connect with first box body 100 and second box body 200.In one embodiment, described 290 two sides are covered equipped with groove, convenient for picking up and installing.

Please also refer to Fig. 4, in one embodiment, first box body 10 and second box body 200 can be distinguished It is set to the both ends of the side of photovoltaic cell 500 and is fixedly connected with the photovoltaic cell 500.In one embodiment, described First box body 100 and second box body 200 can be combined with the photovoltaic cell 500 by gluing.In another implementation In example, first box body 100 and second box body 200 and the photovoltaic cell 500 can also be connected by bolt or buckle It connects.

In the present embodiment, the photovoltaic cell 500 is arranged in first box body 100 and second box body 200 The both ends of side.First, it can be to avoid the normal work for influencing the photovoltaic cell 500.Second, two photovoltaic cells When carrying out electrical transmission between 500, can directly it be connected by second connection end 410 with described the first of another terminal box 10 Connecting terminal 110 connects, and greatly reduces the length of the conducting wire 300, reduces the space hold of the terminal box 10.

In one embodiment, first box body 100 and second box body 200 draw with from the photovoltaic cell 500 Positive wire 510 out connects, and second box body 200 is connect with the negative wire 520 drawn from the photovoltaic cell 500. The positive wire 510 and the negative wire 520 can be metal wire.In one embodiment, 510 He of positive wire The negative wire 520 can be tin-coated copper strip busbar.

In one embodiment, the positive wire 510 includes the first branch line 512 and second branch line 514.Described One branch line 512 protrudes into first box body 100 from first connection jaws 140 and connect with first conductive bar 130.Described Two branch lines 514 protrude into second box body 200 from second connection jaws 250 and connect with the third conductive bar 230.It is described negative Pole lead 520 protrudes into second box body 200 from the third connection jaws 260 and connect with the 4th conductive bar 240.At one In embodiment, first connection jaws 140, second connection jaws 250 and the third connection jaws 260 and the photovoltaic electric Pond 500 is oppositely arranged, and is convenient for wiring.In one embodiment, the positive wire 510 and the negative wire 520 with it is described It, can be with glue by first connection jaws 140, second connection jaws 250 and the third wiring after terminal box 10 connects Mouth 260 is closed.

In the present embodiment, first box body 100 and second box body 200 by with the positive wire 510 and The negative wire 520 connects, and the electricity that the photovoltaic cell 400 can be generated is drawn, and can be by connecing with described in other The transmission of electric power is realized in the connection of wire box 10.

In one embodiment, the length of the conducting wire 300 is less than or equal between two adjacent photovoltaic cells 500 Gap.In one embodiment, 300 length of conducting wire can be 100mm.During installation, between two photovoltaic cells 500 There can be gap.Terminal box 10 described in the utility model can greatly shorten the length of required conducting wire by split type distribution Degree, it is only necessary to which meeting the conducting wire 300 can be across the gap between two photovoltaic cells 500.Structure is simple, accounts for It is small with space, convenient for wiring installation.

In one embodiment, first box body 100 and second box body 200 have support base.The support base It is set to the one side of first box body 100 and second box body 200 towards the photovoltaic cell 500, is used for and the light Volt battery 500 is fixedly connected.Specifically, support base and the photovoltaic cell 500 described in glue sticking can be used.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of terminal box characterized by comprising

First box body (100) has the first connection terminal (110) for being set to end；

Second box body (200)；

Conducting wire (300), one end are connect with second box body (200)；And

Connector (400), one end are connect with the conducting wire (300) far from one end of second box body (200), the connector (400) the other end is provided with second connection end (410), the second connection end sub (410) and first connection terminal (110) there is matched shape.

2. terminal box according to claim 1 characterized by comprising

Fixture block (420) is set to the connector (400) surface close to the second connection end sub (410)；

And with the fixture block (420) matched bayonet (120), be opened in described first close to first connection terminal (110) Box body (100) surface, for being clamped with the fixture block (420).

3. terminal box according to claim 1, which is characterized in that including being located on the conducting wire (300):

First sealing ring (210) is set to the junction of the conducting wire (300) Yu second box body (200)；And/or

Second sealing ring (430) is set to the junction of the conducting wire (300) Yu the connector (400).

4. terminal box according to claim 1, which is characterized in that including third sealing ring (440), be located on described second End of the connection terminal (410) close to the conducting wire (300).

5. terminal box according to claim 1, which is characterized in that the connector (400) includes:

First conductive bar (450), one end are electrically connected with the conducting wire (300), and first conductive bar (450) is far from the conducting wire (300) the other end is connect with the second connection end sub (410).

6. terminal box according to claim 1, which is characterized in that first box body (100) includes the second conductive bar (130), second conductive bar (130) connect with first connection terminal (110).

7. terminal box according to claim 6, which is characterized in that second box body (200) includes:

It is internal to be set to second box body (200) for diode (220)；

Third conductive bar (230) is connect with one end of the diode (220)；And

4th conductive bar (240), one end are connect with the diode (220) far from one end of the third conductive bar (230), institute The 4th conductive bar (240) is stated to connect far from the other end of the diode (220) with the conducting wire (300).

8. terminal box according to claim 1-7, which is characterized in that first box body (100) and described Two box bodys (200) are respectively arranged at the both ends of the side of photovoltaic cell (500) and are fixedly connected with the photovoltaic cell (500).

9. terminal box according to claim 8, which is characterized in that first box body (100) and second box body (200) connect with the positive wire (510) drawn from the photovoltaic cell (500), second box body (200) with from the light Lie prostrate negative wire (520) connection battery (500) drawn.

10. terminal box according to claim 8, which is characterized in that the length of the conducting wire (300) is less than or equal to adjacent Two photovoltaic cells (500) gap.