CN201732903U - Composition of conductive terminals and a solar cell junction box with a composition of conductive terminals - Google Patents

Abstract

The utility model provides a conductive terminal group becomes and has the solar cell terminal box that conductive terminal constitutes. The conductive terminal assembly comprises a conductive wire cover body, a terminal body, a first clamping device and a second clamping device. The terminal body is sequentially provided with a lead base, a sheet body, a first clamping part and a second clamping part. The wire cover body is provided with a first bottom, a top, a first bending part, a second bending part and a first protruding part. The wire base is provided with a pair of clamping parts, a third opening and a third protruding part protruding out of the third opening, and the first protruding part of the wire cover body is penetrated through by the third opening. The first clamping device is provided with a third bottom and a pair of third wings, and each third wing clamps the first clamping part. The second clamping device is bent to form a second tongue piece and a third tongue piece, and a pair of fourth protruding parts are arranged on two sides of the second tongue piece and used for clamping the second clamping part.

Description

Composition of conductive terminals and a solar cell junction box with a composition of conductive terminals

technical field

The utility model relates to a peripheral device of a solar battery, in particular to a solar battery junction box composed of a conductive terminal for outputting electric power of the solar battery and a lead terminal.

Background technique

Due to the international energy shortage, the use of solar cells has been paid more and more attention. In particular, the integration of solar cells with building materials or glass is in line with the current energy-saving trend. For example, solar cells can replace roofing materials, and solar cells can be used Building exterior walls or building glass, skylights and the top of the sunbathing, etc. However, because the current and voltage of a single solar cell are very small, it is usually necessary to connect multiple solar cells in parallel and in series through a junction box to form a larger current and voltage. In the prior art of thin-film solar cell module junction boxes, there are components such as conductive terminals, solar cell output/input lines, multiple plate-shaped diode chips, and solar cell electrode strips. The structure is very complicated and can only be used for thin-film solar cells , not suitable for other forms of solar cells, so the industry is in great need of a junction box that can be widely used for different types of solar cells.

Since the solar cell and the junction box are often exposed to the external environment, the wires of the diode and the solar cell are easily loosened from the interior of the junction box due to external forces, which affects the stability of the power output of the solar cell. In addition, when connecting the electrode strips of the solar cell and the conductive terminals of the junction box, in the prior art, the operator works on the outdoor solar cell installation site, and the external solder is melted by the welding gun to fuse the electrode strips and the conductive terminals with the molten material. Solder bonding, construction efficiency is low and very inconvenient.

Utility model content

In order to overcome the above disadvantages, the utility model firstly provides a conductive terminal composition, including a wire cover, a terminal body, a first clamping device and a second clamping device. The terminal body is made of metal integrally formed, and is provided with a lead base, a sheet body, a first clamping part and a second clamping part in sequence. The wire cover has a first bottom, a top, a first bending position and a second bending position. The front end of the first bottom has a first protrusion, and two sides of the first bottom have a pair of second protrusions. The first bending part has a first opening. A first tongue is extended from the top through the first bending part, and the first tongue is provided with a second opening, and the first bottom and the top are connected to each other by the second bending part.

The wire base has a pair of engaging parts and a third opening. A third protruding portion is formed at the front end of the wire base, and the third protruding portion is a second opening through which the wire cover is passed. Each engaging portion is respectively arranged on two sides of the wire base, and is used for engaging each second protruding portion of the wire cover. The third opening is for passing through the first protruding part of the wire cover.

A pair of first wings and a pair of second wings protrude upward from both sides of the first clamping portion. A first groove is formed between each first wing portion and each second wing portion. The second clamping portion has a second bottom and a pair of side walls extending upward from both sides of the second bottom, and each side wall is respectively provided with a second groove.

The first clip device has a third bottom and a pair of third wings extending upward from two sides of the third bottom. The pair of third wing parts are used for clipping the first clamping part. The second buckle device is bent to form a second tongue and a third tongue. Both sides of the second tongue have a pair of fourth protruding parts, each of the fourth protruding parts are engaged with the second groove of the second clamping part respectively, and the third tongue is against the second clamping part the second bottom of the section.

The main purpose of this utility model is to provide a conductive terminal composition, through the wire cover, the first clamping device and the second clamping device, respectively connected with the wire base, the first clamping part and the second clamping part of the terminal body , which are respectively engaged with each other by buckling. Therefore, the conductive terminal composition does not need to be assembled by soldering.

The secondary purpose of this utility model is to provide a conductive terminal composition, which is composed of a wire cover body and a wire base, and furthermore, the wire of the solar cell junction box can be tightly clamped on the wire after passing through the second opening of the wire cover body. Below the base, the above-mentioned wires can be prevented from loosening. Therefore, there is no need to use solder to fix the conductive terminal composition and the wires of the solar battery junction box.

Another object of the present invention is to provide a composition of conductive terminals. The first clamping device engages the first clamping part, and the diode can be tightly clamped in the first groove of the first clamping part. Avoid loose diodes. Therefore, there is no need to use solder to fix the conductive terminal component and the diode.

Another object of the present utility model is to provide a conductive terminal composition, the second groove of the second clamping part extends obliquely or in a wave-like structure to fix the fourth protruding part of the second clamping device with the The engagement of the second groove of the second clamping part, therefore, when the electrode strip of the solar cell is inserted into the second clamping part, it can be tightly clamped between the second clamping part and the second buckle device, and more The electrode strips of the solar cell can be prevented from loosening. Therefore, there is no need to use solder to fix the conductive terminal composition and the electrode strips of the solar cell.

The utility model further provides a solar cell junction box composed of conductive terminals, which comprises an insulating shell and multiple sets of conductive terminals accommodated in the insulating shell.

For this reason, another object of the present utility model is to provide a solar cell junction box with conductive terminals, wherein the conductive terminals are connected to the terminals through the wire cover, the first clamping device and the second clamping device respectively. The wire base, the first clamping part and the second clamping part of the main body are engaged with each other by buckling respectively. Therefore, the conductive terminal composition does not need to be assembled by soldering.

Another object of the present utility model is to provide a solar cell junction box with conductive terminals, wherein the conductive terminals are composed of a wire cover and a wire base, and further the wires of the solar cell junction box can pass through the wire cover After the second opening, it can be tightly clamped under the base of the wire, which can prevent the above wire from loosening. Therefore, there is no need to use solder to fix the conductive terminal composition and the wires of the solar battery junction box.

Another object of the present utility model is to provide a solar battery junction box with conductive terminals, wherein the conductive terminals are composed of the first clamping device to engage the first clamping part, and further can tightly clamp the diode at the second In the first groove of a clamping part, the diode can be prevented from loosening. Therefore, there is no need to use solder to fix the conductive terminal component and the diode.

Another object of the present utility model is to provide a solar cell junction box with conductive terminals, wherein the conductive terminals are formed by the oblique or wave-like extension of the second groove of the second clamping part to fix The engagement of the fourth protruding part of the second clamping device with the second groove of the second clamping part, therefore, when the electrode strip of the solar cell is inserted into the second clamping part, it can be tightly clamped in the second clamping part. Between the holding part and the second clamping device, the electrode belt of the solar cell can be prevented from loosening. Therefore, there is no need to use solder to fix the conductive terminal composition and the electrode strips of the solar cell.

The beneficial effect of the utility model is that: the conductive terminal composition and the conductive terminal composition and the wires of the solar battery junction box do not need to be welded and combined with solder.

Description of drawings

Since the utility model discloses a solar cell junction box composed of conductive terminals and with conductive terminals, the principle of photoelectric conversion and electrical conduction of solar cells used in it has been understood by those with ordinary knowledge in the relevant technical field , so the description below will not give a complete description. At the same time, the accompanying drawings in the following text are schematic representations related to the features of the present utility model, and do not need to be completely drawn according to the actual situation, wherein:

FIG. 1A is an exploded view of the first preferred embodiment of the present invention, which is composed of a conductive terminal.

FIG. 1B is a schematic diagram according to the first preferred embodiment of the present invention, which is composed of a conductive terminal.

Fig. 1C is a schematic diagram according to the first preferred embodiment of the utility model, which is composed of a conductive terminal.

Fig. 2 is an exploded view, which is a second preferred embodiment of the utility model, which is a solar cell junction box composed of conductive terminals.

Detailed ways

Please refer to FIG. 1A , FIG. 1B and FIG. 1C at the same time, which are the first preferred embodiment proposed according to the present utility model. A conductive terminal assembly 1 includes a wire cover 11 , a terminal body 19 , a first clamping device 16 and a second clamping device 17 . The terminal body 19 is integrally formed of metal, and is provided with a wire base 12 , a sheet body 13 , a first clamping portion 14 and a second clamping portion 15 in sequence.

The wire cover 11 has a first bottom 111 , a top 112 , a first bending portion 116 and a second bending portion 118 . The first bottom 111 and the top 112 are connected to each other by the second bending portion 118 . The front end of the first bottom 111 has a first protruding portion 113 , and besides, a pair of second protruding portions 114 are formed on both sides of the first bottom 111 . The first bending portion 116 has a first opening 115 , and the first opening 115 has a positioning and guiding function for providing a positioning and guiding function when the wire cover 11 is pressed down. A first tongue 117 extends from the top 112 through the first bending portion 116 , wherein the first tongue 117 is provided with a second opening 119 .

The wire base 12 has a pair of engaging portions 121 and a third opening 129 , and a third protruding portion 123 is formed on the front end of the wire base 12 . Each engaging portion 121 is respectively disposed on two sides of the wire base 12 for engaging with each second protruding portion 114 of the wire cover 11 . Each engaging portion 121 is bent to form a groove portion 124, so that when each engaging portion 121 of the wire base 12 and each second protruding portion 114 of the wire cover 11 are engaged with each other, the wire cover can be fixed in this way. The upper and lower positions of 11 are located on the lead base 12. The third opening 129 of the wire base 12 is for passing the first protrusion 113 of the wire cover 11 , and the third protrusion 123 of the wire base 12 passes through the second opening 119 of the wire cover 11 .

In particular, the way that the wire 3 of the solar cell junction box is inserted into the conductive terminal to form 1: the first opening 115 of the first bending part 116 of the wire cover 11 has the function of positioning and guiding, and is used to transfer solar energy When the wire 3 of the battery junction box is put into the conductive terminal assembly 1 , it can be directly pressed down toward the first opening 115 , so that the wire 3 of the solar cell junction box can pass through the second opening 119 of the wire cover 11 . Furthermore, when the wire cover 11 is pressed down by a pressure channel, the space formed by the position where the second opening 119 of the wire cover 11 and the third protrusion 123 of the wire base 12 are fitted together The second opening 119 is used for the wires 3 of the solar cell junction box to pass through the wire cover 11 . Next, when the downward pressure channel applied to the lead wire cover 11 is removed, the lead wire cover 11 returns to its original position by the elastic force. According to this, the wire 3 passing through the second opening 119 of the wire cover 11 can be tightly clamped under the wire base 12 , thereby preventing the wire 3 from loosening. Therefore, there is no need to use solder to fix the conductive terminal assembly 1 and the wire 3 of the solar battery junction box. The position where the aforementioned wire 3 is clamped under the wire base 12 is a contact position when the terminal body 19 conducts electricity with the aforementioned wire 3 .

Accordingly, the combination of the wire cover 11 and the wire base 12 of the terminal body 19 is more stable through the following three methods. Firstly, each second protruding portion 114 of the wire cover 11 is engaged with each engaging portion 121 of the wire base 12 . On the other hand, the second opening 119 of the wire cover 11 and the third protruding portion 123 of the wire base 12 are engaged with each other. On the other hand, the first protruding portion 113 of the wire cover 11 is engaged with the third opening 129 of the wire base 12 . Therefore, the conductive terminal assembly 1 of the present invention is formed without soldering.

The sheet body 13 has a third bending portion 131 and a fourth bending portion 132 . The third bending part 131 is connected with the lead base body 12 ; the fourth bending part 132 is connected with the first clamping part 14 .

A pair of first wings 141 and a pair of second wings 142 protrude upward from two sides of the first clamping portion 14 . Each first wing portion 141 is disposed on a side close to the sheet body 13 , and each second wing portion 142 is disposed on a side close to the second clamping portion 15 . A first groove 143 is formed between each first wing portion 141 and each second wing portion 142 . The first clamping portion 14 still has a first inclined portion 145 and a second inclined portion 146 , the first inclined portion 145 is connected to the sheet 13 ; the second inclined portion 146 is connected to the second clamping portion 15 . The end of each first wing portion 141 and the end of each second wing portion 142 of the first clamping portion 14 are bent to form an R-angle structure 144 . It should be noted that the first groove 143 is designed to tightly clamp the diode 4 , therefore, there is no need to use solder to fix the connection between the conductive terminal assembly 1 and the diode 4 . In addition, the design purpose of the R angle structure 144 is to fix the connection between the left and right sides of the diode 4 when it is clamped on the first groove 143 , thereby increasing the strength of the diode 4 held by the first groove 143 .

The first buckle device 16 has a third bottom 162 and a pair of third wings 161 extending upward from two sides of the third bottom 162 . Each third wing portion 161 of the first clamping device 16 is used to clamp the first wing portion 141 and the second wing portion 142 of the first clamping portion 14 .

The second clamping portion 15 has a second bottom 151 and a pair of side walls 152, wherein each side wall 152 is formed by extending upward from both sides of the second bottom 151, and each side wall 152 is provided with a second groove Slot 153.

The second buckle device 17 is bent to form a second tongue piece 172 and a third tongue piece 173 . Two sides of the second tongue 172 have a pair of fourth protrusions 174 , and each fourth protrusion 174 is engaged with the second groove 153 of the second clamping portion 15 . The third tongue 173 abuts against the second bottom 151 of the second clamping portion 15 . It should be noted that the second groove 153 can extend obliquely from the top of each side wall 152 to the second bottom 151, or the second groove 153 can also extend from the top of each side wall 152 to the second bottom. 151 undulating stretches. Since the obliquely extending or wave-like extending structure of the second groove 153 is used to fix the engagement between the fourth protrusion 174 and the second groove 153, in this preferred embodiment, the second groove 153 It is preferably in a wave shape, according to which, the second clamping device 17 can be firmly combined with the second clamping portion 15 of the terminal body 19 . Therefore, when the electrode strip 5 of the solar cell is inserted into the second clamping part 15, it can be tightly clamped between the second clamping part 15 and the second clamping device 17, and the electrode strip 5 of the solar cell can be prevented from getting loose. . Therefore, there is no need to use solder to fix the conductive terminal assembly 1 and the electrode strip 5 of the solar cell.

Please refer to FIG. 2 , according to the aforementioned purpose, the utility model proposes a second preferred embodiment, which is a schematic diagram of a solar cell junction box composed of conductive terminals. A solar cell junction box 20 with a conductive terminal assembly 1 includes an insulating casing 201 and a plurality of conductive terminal assemblies 1 accommodated in the insulating casing 201 in a plurality of groups. The main features and functions of each conductive terminal assembly 1 are substantially the same as those of the conductive terminal assembly 1 in the first preferred embodiment, and will not be repeated here.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the patent right of the utility model application; at the same time, the above description should be clear and implementable for those who are familiar with the technical field, so others do not depart from the utility model Equivalent changes or modifications accomplished under the disclosed spirit shall be included in the scope of the claims.

Claims (9)

1. a conducting terminal is formed (1), includes a lead lid (11), a terminal body (19), one first toggle clip device (16) and one second toggle clip device (17), it is characterized in that:

This terminal body (19) is made so that metal is integrally formed, and is provided with a lead base (12), a lamellar body (13), one first clamping part (14) and one second clamping part (15) in regular turn;

This lead lid (11) has one first bottom (111), one top (112), one first bending part (116) and one second bending part (118), the front end of this first bottom (111) has one first protuberance (113), these both sides, first bottom (111) have a pair of second protuberance (114), this first bending part (116) has one first opening (115), one first tongue piece (117) is extended via this first bending part (116) in this top 112, this first tongue piece (117) is provided with one second opening (119), and this first bottom (111) is to be connected to each other by this second bending part (118) with this top (112);

This lead base (12) has a pair of holding section (121) and one the 3rd opening (129), this lead base (12) front end is formed with one the 3rd protuberance (123), each holding section (121) is arranged at the both sides of this lead base (12) respectively, in order to engage a pair of second protuberance (114) of this lead lid (11), the 3rd opening (129) wears for this first protuberance (113) of this lead lid (11), and the 3rd protuberance (123) wears this second opening (119) of this lead lid (11);

The both sides of this first clamping part (14) protrude upward a pair of first alar part (141) and a pair of second alar part (142), are formed with one first groove (143) between each first alar part (141) and each second alar part (142);

The pair of sidewalls (152) that this second clamping part (15) has one second bottom (151) and up extends from these both sides, second bottom (151), each sidewall (152) is provided with one second groove (153);

The a pair of flap portion (161) that this first toggle clip device (16) has the 3rd bottom (162) and up extends from both sides, the 3rd bottom (162), each flap portion (161) is in order to this first clamping part (14) of clip; And

This second toggle clip device (17) is to be bent to form one second tongue piece (172) and one the 3rd tongue piece (173), the both sides of this second tongue piece (172) have a pair of the 4th protuberance (174), each the 4th protuberance (174) snaps into this second groove (153) of this second clamping part (15), and the 3rd tongue piece (173) is resisted against this second bottom (151) of this second clamping part (15).

2. form (1) according to the described conducting terminal of claim 1, it is characterized in that wherein each holding section (121) of this lead base (12) is bent to form a ditch portion (124).

3. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein this lamellar body (13) further has one the 3rd bending part (131) and one the 4th bending part (132), the 3rd bending part (131) is connected to this lead base (12), and the 4th bending part (132) is connected to this first clamping part (14).

4. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein this first clamping part (14) further has one first rake (145) and one second rake (146), this first rake (145) is connected to this lamellar body (13), and this second rake (146) is connected to this second clamping part (15).

5. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein each first alar part (141) of this first clamping part (14) is bent to form a R corner structure (144) with the end of each second alar part (142).

6. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein this second groove (153) is along past this oblique extension in second bottom (151) in the top of this sidewall (152).

7. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein this second groove 153 is along past this wavy extension in second bottom (151) in the top of sidewall (152).

8. form (1) according to the described conducting terminal of claim 1, it is characterized in that, wherein each flap portion (161) of this first toggle clip device (16) is in order to each first alar part (141) and each second alar part (142) of this first clamping part (14) of clip.

9. one kind has the molecular solar battery connecting box of conducting end (20), comprise an insulation shell (201) and form (1) with a plurality of conducting terminals that many group shapes are placed in this insulation shell (201), it is characterized in that each conducting terminal is formed (1) and had claim 1 to claim 8 each feature wherein.

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