CN201904356U

CN201904356U - Clamping structure for bus-bar of solar junction box

Info

Publication number: CN201904356U
Application number: CN2010206771876U
Authority: CN
Inventors: 曹永东
Original assignee: SHENZHEN RUILAIKE NEW ENERGY TECHNOLOGY Co Ltd
Current assignee: SHENZHEN RUILAIKE NEW ENERGY TECHNOLOGY Co Ltd
Priority date: 2010-12-23
Filing date: 2010-12-23
Publication date: 2011-07-20
Anticipated expiration: 2020-12-23

Abstract

The utility model provides a clamping structure for a bus-bar of a solar junction box. The solar junction box comprises a conductive board, an operating rod, a spring, a spring plate and a fixed seat, wherein both the conductive board and the operating rod adopt L-shaped structures and are respectively provided with a long edge and a short edge; the operating rod is clung to the inner side of the conductive board; a convex pillar is arranged on the long edge of the operating rod and positioned in a propelling hole of the conductive board, a sleeve pillar protruding to the inner side is arranged on the short edge of the operating rod; the spring is sleeved on the sleeve pillar at the short edge of the operating rod; the spring plate is positioned between the short edge of the operating rod and the fixed seat; a raised contact surface capable of being in contact with the bus-bar is formed in the middle of the spring plate; and the fixed seat is positioned in the junction box. The clamping structure for the bus-bar of the solar junction box achieves the effects of tight clamping between the bus-bar and the conductive board, as well as the expansion of contact surface due to additional arrangement of the spring plate, thereby having extensive application prospect.

Description

Solar junction box busbar interface arrangment

Technical field

The utility model relates to a kind of interface arrangment, and especially a kind of busbar interface arrangment that is applied to solar junction box belongs to technical field of solar batteries.

Background technology

Along with development of global economy; the world energy sources consumption rises year by year; it is in short supply that energy demand more and more seems; global energy crisis is day by day obvious; the development and use of new forms of energy have caused the attention of countries in the world government, the world today utilize cleaning, environmental protection new forms of energy---solar energy becomes the first-selection of alternative energy source.Solar cell market demand fast rise has driven the development of solar module industrial chain, actuates solar battery component junction box demand fast rise simultaneously, and the assembly selling market has a extensive future.

The output of the electric energy of solar module is to be connected to the terminal box transmission by the busbar that connects together with the battery sheet, in the present solar junction box clamping bus-bar structure, perhaps busbar can be tightened, but the contact-making surface of conductive plate and busbar is not enough, thereby conductive effect is undesirable; Perhaps the contact-making surface of conductive plate and busbar is enough, but the clamping of busbar is not tight, and these defectives have all limited the further application of solar junction box.

Summary of the invention

The utility model promptly is at above shortcomings part in the solar battery group terminal box at present, and a kind of interface arrangment that comprises spring and shell fragment is provided, thereby has well realized the busbar chucking and increase the effect of contact-making surface.

Specifically, solar junction box busbar interface arrangment described in the utility model, it is characterized in that: described interface arrangment comprises conductive plate, action bars, spring, shell fragment and holder, the structure of each several part and position relation are as described below:

1, conductive plate is " L " type, has long and short two bar limit, and long limit and minor face junction have and hold the jack that busbar passes, and the middle part on long limit has the propelling hole that advances for action bars, and the far-end on long limit has for the fixing fixing hole of conductive plate;

2, action bars is " L " type structure, has long and short two bar limit, is attached to the conductive plate inboard, has projection on the long limit, and projection is positioned at the propelling hole of conductive plate, and minor face is provided with the sleeve column that protrudes to the inside;

3, spring housing is on the sleeve column of action bars minor face;

4, shell fragment is between the minor face and holder of action bars, one end is provided with the card edge that can be against action bars minor face lower end, the other end is provided with a hole clipping, and hole clipping is enclosed within on the card post that is fixed in inboard, terminal box bottom surface, and the shell fragment middle part is provided with the contact-making surface that can contact with busbar of protuberance;

5, the fixed seating is in terminal box, and the holder top is provided with the fixed leg that protrudes from the plane, place, and fixed leg is positioned at the fixing hole on the long limit of conductive plate, and holder is provided with the holding tank that holds spring by a side of action bars.

Described solar junction box busbar interface arrangment, it is characterized in that: described interface arrangment also comprises the limited post that is used for fixing the conductive plate minor face, limited post is positioned at conductive plate minor face one side in terminal box.

Described solar junction box busbar interface arrangment is characterized in that: the lobe that several protrude from the plane, place is set up at the position that described action bars minor face contacts with busbar.

Described solar junction box busbar interface arrangment is characterized in that: inboard, the long limit of described action bars has the groove that holds spring.

Solar junction box busbar interface arrangment described in the utility model has following advantage:

1, simple and practical, it is convenient to put into and take out busbar;

2, busbar and the conductive plate contact-making surface is big and clamping is tight, conductive effect is good;

3, cost is low, long service life.

Description of drawings

Fig. 1 is the conductive plate structure schematic diagram of solar junction box busbar interface arrangment described in the utility model;

Fig. 2 is the operation lever structure schematic diagram of solar junction box busbar interface arrangment described in the utility model;

Fig. 3 is the structural representation of the shell fragment of solar junction box busbar interface arrangment described in the utility model;

Fig. 4 is the structural representation of holder, card post and the limited post of solar junction box busbar interface arrangment described in the utility model;

Fig. 5 is the mounting structure schematic diagram of solar junction box busbar interface arrangment described in the utility model;

Fig. 6 is the spring and the shell fragment compressive state structural representation of solar junction box busbar interface arrangment described in the utility model;

Fig. 7 is the spring and the shell fragment relaxed state structural representation of solar junction box busbar interface arrangment described in the utility model;

Wherein, 1 be conductive plate, 2 for action bars, 3 for spring, 4 for shell fragment, 5 for holder, 6 for the card post, 7 for limited post, 8 for terminal box, 9 for busbar, 10 for jack, 11 for advance the hole, 12 for fixing hole, 20 for projection, 21 for sleeve column, 22 for lobe, 23 for groove, 40 for card along, 41 be holding tank for fixed leg, 51 for contact-making surface, 50 for hole clipping, 42.

Embodiment

Below in conjunction with accompanying drawing solar junction box busbar interface arrangment described in the utility model is described in detail and illustrates; purpose is better to understand technology contents of the present utility model for the public; rather than to the restriction of described technology contents; in fact, the increase and decrease to any element or structure, replacement and the improvement of being made in not violating invention spirit of the present utility model is all within the utility model technical scheme required for protection.

Solar junction box busbar interface arrangment described in the utility model, comprise conductive plate 1, action bars 2, spring 3, shell fragment 4 and holder 5, wherein, as shown in Figure 1, conductive plate 1 is " L " type, has long and short two bar limit, and long limit and minor face junction have and hold the jack 10 that busbar passes, the middle part on long limit has the propelling hole 11 that advances for action bars, and the far-end on long limit has for the fixing fixing hole 12 of conductive plate; As shown in Figure 2, action bars 2 is " L " type structure, has long and short two bar limit, be attached to the conductive plate inboard, have projection 20 on the long limit, projection 20 is positioned at the propelling hole 11 of conductive plate 1, minor face is provided with the sleeve column 21 that protrudes to the inside, and spring 3 is enclosed within on the sleeve column 21 of action bars 2 minor faces; As the utility model preferred embodiment, can also set up several lobes that protrudes from the plane, place 22 at the position that described action bars 2 minor faces contact with busbar, the effect of lobe is to compress busbar under the effect of spring, increases frictional force, makes busbar can not extracted easily; Simultaneously, can also have the groove 23 that holds spring 3 in inboard, described action bars 2 long limit; As shown in Figure 3, shell fragment 4 is between the minor face and holder 5 of action bars 1, one end be provided with can be against action bars 1 minor face lower end card along 40, the other end is provided with a hole clipping 41, hole clipping 41 is enclosed within (see figure 4) on the card post 6 that is fixed in inboard, terminal box bottom surface, and shell fragment 4 middle parts are provided with the contact-making surface 42 that can contact with busbar of protuberance, and the design of contact-making surface is under the effect of shell fragment, compress busbar in the busbar bottom, increase contact area; As shown in Figure 4, holder 5 is positioned at terminal box 8, holder 5 tops are provided with the fixed leg 50 that protrudes from the plane, place, fixed leg 5 is positioned at the fixing hole 12 on conductive plate 1 long limit, holder 5 is provided with the holding tank 51 that holds spring 3 by a side of action bars 2, described interface arrangment also comprises the limited post 7 that is used for fixing conductive plate 1 minor face, and limited post 7 is positioned at conductive plate 1 minor face one side in terminal box.

During installation, as shown in Figure 5, spring 3 is enclosed within on the sleeve column 21 on the action bars 2, the card of shell fragment 4 is enclosed within hole clipping 41 on the card post 6 that is fixed in inboard, terminal box 8 bottom surface simultaneously along 40 lower ends that are against action bars 2 minor faces, then action bars 2 is close to conductive plate 1, projection 20 is positioned at and advances hole 11, then the fixing hole on the conductive plate 1 12 is enclosed within on the fixed leg 50 on the holder 5, spring 3 is positioned at holding tank 51, and the minor face of conductive plate 1 inserts in the limited post 7.

During work, as shown in Figure 6, along advancing hole 11 to promote projection 20, spring 3 and shell fragment 4 are compressed, and the space between the minor face of conductive plate 1 and action bars 2 increases, and can take out busbar 9 or put into this moment; Unclamp projection 20, spring 3 and shell fragment 4 reset, and this moment, busbar 9 was compressed by the minor face of conductive plate 1 and action bars 2, as shown in Figure 7, because busbar 9 is contacted with shell fragment 4 multiple spots by spring 3 with conductive plate 1 and compresses, so applying is tight, resistance is little, the conductive effect ideal.

Solar junction box busbar interface arrangment described in the utility model by increasing the mode of shell fragment, has realized that clamping between busbar and the conductive plate closely and increase the effect of contact-making surface, has broad application prospects.

Claims

1. solar junction box busbar interface arrangment, it is characterized in that: described interface arrangment comprises conductive plate, action bars, spring, shell fragment and holder, the structure of each several part and position relation are as described below:

1) conductive plate is " L " type, has long and short two bar limit, and long limit and minor face junction have and hold the jack that busbar passes, and the middle part on long limit has the propelling hole that advances for action bars, and the far-end on long limit has for the fixing fixing hole of conductive plate;

2) action bars is " L " type structure, has long and short two bar limit, is attached to the conductive plate inboard, has projection on the long limit, and projection is positioned at the propelling hole of conductive plate, and minor face is provided with the sleeve column that protrudes to the inside;

3) spring housing is on the sleeve column of action bars minor face;

4) shell fragment is between the minor face and holder of action bars, one end is provided with the card edge that can be against action bars minor face lower end, the other end is provided with a hole clipping, and hole clipping is enclosed within on the card post that is fixed in inboard, terminal box bottom surface, and the shell fragment middle part is provided with the contact-making surface that can contact with busbar of protuberance;

5) fixed seating is in terminal box, and the holder top is provided with the fixed leg that protrudes from the plane, place, and fixed leg is positioned at the fixing hole on the long limit of conductive plate, and holder is provided with the holding tank that holds spring by a side of action bars.

2. solar junction box busbar interface arrangment according to claim 1, it is characterized in that: described interface arrangment also comprises the limited post that is used for fixing the conductive plate minor face, limited post is positioned at conductive plate minor face one side in terminal box.

3. solar junction box busbar interface arrangment according to claim 1 is characterized in that: the lobe that several protrude from the plane, place is set up at the position that described action bars minor face contacts with busbar.

4. solar junction box busbar interface arrangment according to claim 1 is characterized in that: inboard, the long limit of described action bars has the groove that holds spring.