CN206490646U - Solar Junction Box with Modular Interchangeable Electrical Components - Google Patents

Abstract

The utility model discloses a solar junction box with modularization and interchangeable electric components, which comprises a base module and a surface cover module; the base module comprises a base, two first output terminals and a plurality of first bus-bar terminals; the face cover module is detachably arranged on the base module and comprises a face cover, an electrical component, two second output terminals and a plurality of second bus-bar belt terminals; this product comprises base module and face lid module, face lid module is installed on base module with removable the ground, and electric assembly sets up on the face covers, the user can select the face lid module that contains corresponding electric assembly according to the needs of in-service use scheme, the base module need not to change, thereby conveniently realize the free exchange between intelligent scheme and the traditional scheme, reduce user's use cost, simultaneously manufacturing enterprise only need increase production face lid module can, production inventory has effectively been reduced, and face lid module change is simple and convenient, time saving and labor saving.

Description

Solar Junction Box with Modular Interchangeable Electrical Components

technical field

The utility model relates to the technology in the field of solar junction boxes, in particular to a solar junction box with modularized interchangeable electrical components.

Background technique

The solar junction box is a connector between the solar cell array composed of solar cell components and the solar charging control device. It is a cross-field comprehensive design that combines electrical design, mechanical design and material science. The solar junction box is very important in the composition of the solar module, and its main function is to connect the electricity generated by the solar cell with the external circuit.

The main structure of the current solar junction box usually includes a base, a cover, terminal blocks and electrical components, and the solar junction box generally adopts two types of intelligent scheme and traditional scheme. The electrical components used in the intelligent scheme are intelligent optimizer circuit boards. The electrical components used in the solution are multiple diodes. However, in the prior art, the terminal block and the electrical components are integrally installed on the base and cannot be interchanged. When the user needs to convert from the smart solution to the traditional solution or from the traditional solution to the smart solution At the same time, the solar junction box needs to be replaced as a whole, which increases the user's use cost and increases the production inventory of the enterprise; and because the base is firmly fixed to the outside, the replacement is time-consuming and laborious. Therefore, it is necessary to improve the current solar junction box.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a solar junction box with modularized interchangeable electrical components, which can effectively solve the problem that the existing solar junction box cannot be freely interchanged. The problem of increased usage costs and increased production inventory.

In order to achieve the above object, the utility model adopts the following technical solutions:

A solar junction box with modular interchangeable electrical components, including a base module and a cover module; the base module includes a base, two first output terminals and a plurality of first busbar terminals, and the surface of the base is recessed There is a first concave cavity, and the two first output terminals and a plurality of first busbar terminals are arranged in the first concave cavity; the cover module is detachably installed on the base module, and the cover module includes a cover , an electrical component, two second output terminals and a plurality of second busbar terminals, the cover is detachably installed on the base, the bottom of the cover is provided with a second concave cavity, the electrical component, the two second output terminals The terminal and the plurality of second bus strip terminals are all arranged in the second concave cavity, and the two second output terminals and the plurality of second bus strip terminals are conductively connected with the electrical components; when the cover module is installed on the base module, the The two second output terminals are connected to the corresponding first output terminals respectively, and the plurality of second busbar terminals are respectively connected to the corresponding first busbar terminals; When detached, the two second output terminals are respectively separated from the corresponding first output terminals, and the plurality of second busbar terminals are respectively separated from the corresponding first busbar terminals.

As a preferred solution, the cover is fixedly connected to the base by buckling.

As a preferred solution, a plurality of bosses protrude outward from the peripheral side of the base, each boss is provided with a slot, and the peripheral edge of the cover is provided with a plurality of hooks. The hooks are installed and fixedly connected with the corresponding card slots and buckles respectively.

As a preferred solution, a plurality of locking positions are provided in the first cavity, and the two first output terminals and the plurality of first busbar terminals are respectively snapped and fixed on the corresponding locking positions.

As a preferred solution, multiple sets of hooks are extended from the inner bottom surface of the first concave cavity, and each set of hooks forms a aforementioned locking position.

As a preferred solution, a positioning ring is extended from the top periphery of the base, a positioning groove is recessed on the bottom periphery of the cover, and a sealing ring is embedded in the positioning groove, and the positioning ring is embedded in the positioning groove and pressed to seal lock up.

As a preferred solution, the electrical component is an intelligent optimizer circuit board.

As a preferred solution, the electrical component includes a plurality of diodes, and the plurality of diodes are conductively connected to the corresponding second output terminal or the second bus strip terminal respectively.

As a preferred solution, the first bus strip terminal and the second bus strip terminal are six arranged side by side at intervals.

As a preferred solution, the first output terminal includes a first clamping piece and a first connecting piece, the first clamping piece has a first clamping groove, the first connecting piece has a first insertion portion, and the first The socket part is inserted into the first clip groove, the second output terminal has a second socket part, and the second socket part is inserted into the first clip groove; the first bus strip terminal includes a second clip and a second The connecting piece, the second clamping piece has a second clamping groove, the second connecting piece has a third inserting portion, the third inserting portion is inserted into the second clamping groove, the second bus strip terminal has a fourth inserting portion part, the fourth inserting part is inserted into the second clamping groove.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

This product is composed of a base module and a cover module. The cover module is removably installed on the base module, and the electrical components are arranged on the cover. Users can choose the cover containing the corresponding electrical components according to the needs of the actual use plan. The module and the base module do not need to be changed, which facilitates the free interchange between the intelligent solution and the traditional solution, and reduces the user's use cost. Module replacement is simple and convenient, saving time and effort.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembling three-dimensional schematic diagram of the first preferred embodiment of the present utility model;

Fig. 2 is a schematic perspective view of assembly from another angle of the first preferred embodiment of the present invention;

Fig. 3 is the exploded view of the first preferred embodiment of the utility model;

Fig. 4 is an exploded view of another angle of the first preferred embodiment of the present utility model;

Fig. 5 is a partial assembly view of the first preferred embodiment of the present utility model;

Fig. 6 is a partial assembly view of another angle of the first preferred embodiment of the present utility model;

Fig. 7 is the exploded view of the second preferred embodiment of the present utility model;

Fig. 8 is an exploded view of another angle of the second preferred embodiment of the present invention;

Fig. 9 is a partial assembly view of the second preferred embodiment of the present utility model;

Fig. 10 is a partial assembly view from another angle of the second preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Base module 11. Base

111, boss 112, card slot

113. Positioning ring 12. First output terminal

121, the first clip 1211, the first clip groove

122. The first connecting piece 1221. The first socket part

13. The first busbar terminal 131, the second clip

1311, the second clip groove 132, the second connecting piece

1321, the third socket part 101, the first cavity

102, card position 103, card hook

20. Cover module 21. Cover

211, hook 212, positioning slot

22. Electrical components 221. Diodes

23. The second output terminal 231. The second socket

24. The second busbar terminal 241, the fourth socket

25, sealing ring 201, the second cavity.

detailed description

Please refer to FIG. 1 to FIG. 6 , which show the specific structure of the first preferred embodiment of the present invention, including a base module 10 and a cover module 20 .

The base module 10 includes a base 11, two first output terminals 12 and a plurality of first busbar terminals 13, the surface of the base 11 is recessed with a first cavity 101, the two first output terminals 12 and the plurality of A bus strip terminal 13 is arranged in the first cavity 101; in this embodiment, a plurality of clamping positions 102 are arranged in the first cavity 101, the two first output terminals 12 and the plurality of first bus The belt terminals 13 are buckled and fixed on the corresponding card positions 102 respectively, and a plurality of sets of hooks 103 extend from the inner bottom surface of the first cavity 101, and each set of hooks 103 forms a aforementioned card position 102, In order to make the two first output terminals 12 and the plurality of first bus strip terminals 13 easy to assemble and disassemble, the structure is stable.

The cover module 20 is removably installed on the base module 10, and the cover module 20 includes a cover 21, an electrical component 22, two second output terminals 23 and a plurality of second busbar terminals 24, the cover 21 Removably mounted on the base 11, the bottom of the cover 21 is provided with a second concave cavity 201, the electrical components 22, two second output terminals 23 and a plurality of second bus strip terminals 24 are all arranged in the second concave cavity. In the cavity 201, two second output terminals 23 and a plurality of second bus strip terminals 24 are conductively connected with the electrical components 22; in this embodiment, the cover 21 and the base 11 are connected through a card It is installed and fixedly connected by means of buckles. The peripheral side of the base 11 protrudes outwards with a plurality of bosses 111, each boss 111 is provided with a card slot 112, and the peripheral edge of the cover 21 is protruded with a plurality of card slots. hooks 211, and the plurality of hooks 211 are fixedly connected with the corresponding slots 112 through buckles. Moreover, a positioning ring 113 extends from the top peripheral edge of the base 11, and a positioning groove 212 is recessed on the bottom peripheral edge of the cover 21, and a sealing ring 25 is embedded in the positioning groove 212, and the positioning ring 113 is embedded in the positioning groove 212 And compress the sealing ring 25 to realize good waterproof sealing performance. Moreover, the electrical component 22 is an intelligent optimizer circuit board.

When in use, when the cover module 20 is installed on the base module 10, the two second output terminals 23 are connected to the corresponding first output terminals 12 respectively, and the plurality of second busbar terminals 24 are connected to the corresponding first output terminals 12 respectively. The first bus strip terminals 13 are plugged and conductively connected; when the cover module 20 is removed from the base module 10, the two second output terminals 23 are separated from the corresponding first output terminals 12 respectively, and the plurality of second output terminals The bus strip terminals 24 are respectively separated from the corresponding first bus strip terminals 13 .

And, the first output terminal 12 includes a first clamping piece 121 and a first connecting piece 122, the first clamping piece has a first clamping groove 1211, the first connecting piece 122 has a first insertion part 1221, the The first socket part 1221 is inserted into the first clip groove 1211, the second output terminal 23 has a second socket part 231, and the second socket part 231 is inserted into the first clip groove 1211; the first bus strip terminal 13 It includes a second clamping piece 131 and a second connecting piece 132, the second clamping piece 131 has a second clamping groove 1311, the second connecting piece 132 has a third insertion portion 1321, and the third insertion portion 1321 is inserted into the second insertion portion 1321. In the second clamping groove 1311, the second busbar terminal 24 has a fourth insertion part 241, and the fourth insertion part 241 is inserted into the second clamping groove 1311; and, the first busbar terminal 13 and the second busbar terminal 13 There are six strip terminals 24 arranged side by side at intervals, and the number of the first bus strip terminal 13 and the second bus strip terminal 24 is not limited, and can be added according to actual needs. In addition, the aforementioned first clamping piece 121 and second clamping piece 131 are made of steel, and their elasticity is good. The first connecting piece 122, the second connecting piece 132, the second output terminal 23 and the second busbar terminal 24 are all It is made of copper, which has good electrical conductivity. When the second insertion part 231 is inserted into the first clamping groove 1211, the second insertion part 231 and the first insertion part 1221 are stacked together. When the fourth insertion part 241 When inserted into the second clamping groove 1311 , the fourth inserting portion 241 and the third inserting portion 1321 are overlapped together to achieve better electrical conduction.

Please refer to shown in Fig. 7 to Fig. 10, it has shown the concrete structure of the second preferred embodiment of the present utility model, and the concrete structure of this embodiment is basically the same as the concrete structure of aforementioned first preferred embodiment, and its the difference is:

In this embodiment, the electrical component 22 includes a plurality of diodes 221, and the plurality of diodes 221 are respectively conductively connected with the corresponding second output terminal 23 or the second bus strip terminal 24, and each diode 221 is respectively It is welded and fixed to the corresponding second output terminal 23 or second bus strip terminal 24 .

The key point of the design of this utility model is: this product is composed of a base module and a cover module, the cover module is detachably installed on the base module, and the electrical components are arranged on the cover, the user can choose according to the needs of the actual use plan The cover module contains corresponding electrical components, and the base module does not need to be changed, so that it is convenient to realize the free interchange between the intelligent solution and the traditional solution, and reduce the user's use cost. At the same time, the manufacturer only needs to increase the production of the cover module, which is effective The production inventory is reduced, and the replacement of the cover module is simple and convenient, saving time and effort.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a kind of solar junction box of the interchangeable electric component of modularization, it is characterised in that：Include base module and face Cover module；The base module includes base, two first lead-out terminals and multiple first convergent belt terminals, the surface of the base One first cavity is arranged with, two first lead-out terminal and multiple first convergent belt terminals may be contained within the first cavity；The face Be installed on base module cover module replaceable, cover module include cover, electric component, two second lead-out terminals and Multiple second convergent belt terminals, are installed on base the cover replaceable, and the bottom of cover is arranged with the second cavity, and this is electric Component, two second lead-out terminals and multiple second convergent belt terminals may be contained within the second cavity, two second lead-out terminals and many Individual second convergent belt terminal is connected with electric component conducting；When cover module is installed on base module face to face, this is two second defeated Go out terminal respectively with corresponding first lead-out terminal to inserting conducting connection, the plurality of second convergent belt terminal is respectively with corresponding the One convergent belt terminal is to inserting conducting connection；When the cover module is pulled down from base module, two second lead-out terminal respectively with Corresponding first lead-out terminal separation, the plurality of second convergent belt terminal is separated with corresponding first convergent belt terminal respectively.

2. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：The face Lid is installed with base by way of buckle to be fixedly connected.

3. the solar junction box of the interchangeable electric component of modularization according to claim 2, it is characterised in that：The bottom The week side of boss of seat, which is faced out, is convexly equipped with multiple boss, is provided with neck on each boss, the periphery of the cover is convexly equipped with multiple cards Hook, the plurality of snap fit coordinates buckle installation to be fixedly connected with corresponding neck respectively.

4. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：Described Multiple screens are provided with one cavity, buckle is mounted on respectively for two first lead-out terminal and multiple first convergent belt terminals In corresponding screens.

5. the solar junction box of the interchangeable electric component of modularization according to claim 4, it is characterised in that：Described The inner bottom surface of one cavity, which extends, multigroup snap fit, and every group of snap fit encloses one foregoing screens of composition.

6. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：The bottom The top perimeter of seat, which extends, locating ring, and the bottom surface periphery of the cover is arranged with locating slot, and locating slot is embedded with sealing ring, should Locating ring is embedded in locating slot and compresses sealing ring.

7. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：The electricity Pneumatic module is intelligent optimizer circuit board.

8. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：The electricity Pneumatic module includes multiple diodes, and the plurality of diode is led with corresponding second lead-out terminal or the second convergent belt terminal respectively Lead to and connect.

9. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：Described One convergent belt terminal and the second convergent belt terminal are six that spacing side by side is set.

10. the solar junction box of the interchangeable electric component of modularization according to claim 1, it is characterised in that：It is described First lead-out terminal includes first intermediate plate and the first connection sheet, and the first intermediate plate has the first clip slot, first connection sheet tool Have the first plug division, first plug division insert the first clip slot in, second lead-out terminal have the second plug division, this second insert Socket part is inserted in the first clip slot；The first convergent belt terminal includes second intermediate plate and the second connection sheet, and the second intermediate plate has Second clip slot, second connection sheet has the 3rd plug division, and the 3rd plug division is inserted in the second clip slot, and this second confluxes band edge Son has the 4th plug division, and the 4th plug division is inserted in the second clip slot.