CN218006194U - Moisture-proof and anti-creeping photovoltaic module junction box - Google Patents
Moisture-proof and anti-creeping photovoltaic module junction box Download PDFInfo
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- CN218006194U CN218006194U CN202222385315.5U CN202222385315U CN218006194U CN 218006194 U CN218006194 U CN 218006194U CN 202222385315 U CN202222385315 U CN 202222385315U CN 218006194 U CN218006194 U CN 218006194U
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- junction box
- cable
- box body
- pressing block
- conductor
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Abstract
The utility model relates to a photovoltaic equipment technical field especially relates to dampproofing anticreep photovoltaic module terminal box. The technical scheme comprises the following steps: the junction box comprises a junction box body with an accommodating cavity and a base which is arranged in the accommodating cavity in a matching manner, wherein a conductor of a diode module which extends to the outer side of the base and is connected with a wiring terminal of a cable to form a closed passage is arranged in the base; the wire connection box also comprises a pressing block for further fixing the wire, the pressing block is arranged at the wire connection opening of the wire connection box body in a matching mode, the pressing block is provided with a glue pouring opening corresponding to the connection position of the conductor and the wire of the diode module, and the glue pouring opening is used for injecting glue pouring into the connection position of the conductor and the wire of the diode module; the inner edge of the wiring opening of the junction box body is provided with a sealing ring mounting groove, and a sealing ring sleeved on the peripheral side of the cable is arranged in the sealing ring mounting groove. The utility model discloses a fill and install the sealing washer additional with the pouring sealant for the binding post of the electric conductor of diode module and cable, avoid the wet leaky risk of terminal box, increase of service life.
Description
Technical Field
The utility model relates to a photovoltaic equipment technical field especially relates to dampproofing anticreep photovoltaic module terminal box.
Background
The solar photovoltaic module junction box is a connector between a solar cell panel and a solar charging control device, and the sealing mode adopted by the mainstream junction box pressing block in the current market is as follows:
1. use ultrasonic welding machine, utilize high-frequency vibration ripples to transmit box body and briquetting surface, under the pressurized circumstances, make its surface looks mutual friction and form the fusing between the molecular layer to press the cable in the working of plastics, and fill at the inside encapsulating of terminal box. Because there is the gap between cable surface and box body and the briquetting, can't seal up completely, probably lead to steam to get into, the inside module short circuit of terminal box, generate heat and increase, cause inside diode to damage.
2. Install rubber seal additional in cable department, then through ultrasonic bonding, along with the increase of rubber seal live time, lead to the ageing of sealing washer to produce skew, slip, make the sealing washer can not seal the inside cable terminal of terminal box completely, lead to steam to get into, the short circuit of terminal box inner module causes the unable normal use of terminal box.
In conclusion, in the existing structure, the contact position of the cable and the box body pressing block has the risk of wet leakage, and water vapor is easy to enter in the normal use process, so that the electrical performance and the service life are influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem above, the utility model provides a photovoltaic module terminal box of dampproofing anticreep, this photovoltaic module terminal box have fabulous dampproofing anticreep performance to guarantee whole photovoltaic module's steady operation.
The technical scheme of the utility model: the photovoltaic module junction box is used for connecting a cable and comprises a junction box body with an accommodating cavity and a base which is arranged in the accommodating cavity in a matching mode, wherein a conductor of a diode module which extends to the outer side of the base and is connected with a wiring terminal of the cable to form a closed passage is arranged in the base;
the LED module is characterized by also comprising a pressing block for further fixing the cable, wherein the pressing block is arranged at the wiring opening of the junction box body in a matching manner, the pressing block is provided with a glue pouring port corresponding to the joint of the conductor of the diode module and the cable, and the glue pouring port is used for pouring glue into the joint of the conductor of the diode module and the cable;
the inner edge of the wiring opening of the junction box body is provided with a sealing ring mounting groove, and a sealing ring sleeved on the periphery of the cable is arranged in the sealing ring mounting groove.
Preferably, at least one ridge-shaped structure is arranged on one side, close to the wiring opening, in the junction box body, and an arc-shaped inner recess matched with and supporting the arc-shaped surface at the bottom of the cable is formed in the upper side of each ridge-shaped structure.
Preferably, the side face of the pressing block is provided with a clamping groove matched with the elastic bulge on the inner wall of the junction box body, and the pressing block is buckled with the junction box body through the clamping groove and the elastic bulge.
Preferably, the bottom of the pressing block is provided with a flange structure corresponding to the ridge-shaped structure and a groove which is arranged at the bottom of the pressing block and forms a sealing structure with the arc-shaped concave;
the groove and the arc are concave inwards to form a hole-shaped structure for a cable to pass through, and the hole-shaped structure is in interference fit with the cable.
Preferably, the pressing block is fixed to the junction box body in a matched mode through ultrasonic welding after being installed in the matched mode.
Preferably, the side wall of the base is installed in the accommodating cavity of the junction box body through a buckle structure.
Preferably, the cable and the electric conductor of the diode module are fixed by riveting.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a glue pouring mouth department at the briquetting fills with the pouring sealant with the binding post junction of diode module's electric conductor and cable to install the sealing washer additional between briquetting and terminal box body, use ultrasonic bonding, avoid the wet electric leakage's of terminal box risk effectively, prolong its life.
Drawings
Fig. 1 shows a schematic diagram of an explosion structure according to an embodiment of the present invention;
FIG. 2 shows the electric conductor of the middle cable and the diode module
Fig. 3 is a top view of an embodiment of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
reference numerals: 1 is a briquette; 2 is a glue filling opening; 3 is the conductor of the diode module; 4 is a base; 5 is a junction box body; 6 is a cable; 7 is a seal ring mounting groove; and 8 is a sealing ring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
As shown in fig. 1-2, the utility model provides a moisture-proof and anti-creeping photovoltaic module junction box for connecting a cable 6, which comprises a junction box body 5 with a containing cavity and a base 4 installed in the containing cavity in a matching way, wherein a diode module is arranged in the base 4, the side wall of the base 4 is installed in the containing cavity of the junction box body 5 through a buckle structure, a conductor 3 of the diode module which extends to the outside of the base 4 and is connected with a wiring end of the cable 6 to form a closed path is arranged in the base 4, and the cable 6 and the conductor 3 of the diode module are fixed through riveting;
the LED module also comprises a pressing block 1 for further fixing the cable 6, the pressing block 1 is installed at a wiring opening of the junction box body 5 in a matching mode, the pressing block 1 is provided with a glue pouring opening 2 corresponding to the joint of the conductor 3 of the diode module and the cable 6, and the glue pouring opening 2 is used for pouring glue into the joint of the conductor 3 of the diode module and the cable 6;
as shown in fig. 3, in this embodiment, a clamping recess adapted to an elastic protrusion on an inner wall of a junction box body 5 is formed in a side surface of a press block 1, the press block 1 is installed in a buckling manner with the junction box body 5 through the clamping recess and the elastic protrusion, the press block 1 is fixed to the junction box body 5 through ultrasonic welding after being installed in a matching manner, after the press block 1 is assembled, a potting adhesive opening 2 is located right above a joint between a conductor 3 of a diode module and a cable 6, at this time, a potting adhesive is injected into the joint between the conductor 3 of the diode module and the cable 6 through the potting adhesive opening 2 to ensure the sealing performance of the whole device, and meanwhile, the connection strength between the conductor 3 of the diode module and the cable 6 can be further ensured by using the potting adhesive;
referring to fig. 4, a sealing ring mounting groove 7 is formed in an inner edge of the wiring opening of the junction box body 5, and a sealing ring 8 sleeved on the periphery of the cable 6 is arranged in the sealing ring mounting groove 7. Set up sealing washer 8 at the wiring opening part of terminal box body 5, utilize the cover between sealing washer 8 and the cable 6 establish the relation and with the installation relation between the sealing washer mounting groove 7, reach and seal it at the junction of cable 6 and terminal box body 5, improved sealed effect, avoided steam to pass through in the gap entering terminal box body 5 of cable 6 and terminal box body 5.
At least one ridge-shaped structure is arranged on one side, close to the wiring opening, in the junction box body 5, and an arc-shaped inner concave matched with and supporting the arc-shaped surface at the bottom of the cable 6 is arranged on the upper side of the at least one ridge-shaped structure.
After the installation of the cable 6 is connected with the conductor 3 of the diode module, the cable 6 is placed in the arc-shaped concave, and then the pressing block 1 is installed;
the bottom of the pressing block 1 is provided with a flange structure corresponding to the ridge-shaped structure and a groove which is arranged at the bottom of the pressing block 1 and forms a sealing structure with the arc-shaped concave;
the groove and the arc-shaped concave recess form a hole structure for the cable 6 to pass through, and the hole structure is in interference fit with the cable 6.
The pressing block 1 and the junction box body 5 are provided with arc-shaped concaves or grooves for wrapping the cable 6, so that the cable 6 is limited and fixed on one hand when the cable 6 is installed, and on the other hand, sealing is formed again through the ridge-shaped structure and the flange structure, and the sealing performance of the device is further enhanced.
The working principle of the moisture-proof and anti-creeping photovoltaic module junction box based on the embodiment is as follows: the sealing ring 8 is firstly sleeved on the cable 6, after the cable terminal of the cable 6 is riveted with the conductor 3 of the diode module, the sealing ring 8 is adjusted to the position of the groove of the pressing block 1, the pressing block 1 is used for pressing the junction box body 5, the ultrasonic welding is performed, in the pressing process, the sealing ring 8 is fixed, the pouring sealant is used for filling the pouring sealant at the pouring sealant opening 2 to complete sealing, and the risk of wet leakage of the junction box can be effectively avoided.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention is understood by those of ordinary skill in the art according to the specific circumstances.
The above embodiments are merely one or more preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (7)
1. The photovoltaic module terminal box of anticreep prevents damp for the connecting cable, install the base in the holding cavity, its characterized in that including the terminal box body that has the holding cavity and cooperation:
a conductor of the diode module which extends to the outer side of the base and is connected with a wiring terminal of the cable to form a closed passage is arranged in the base;
the LED module is characterized by also comprising a pressing block for further fixing the cable, wherein the pressing block is arranged at the wiring opening of the junction box body in a matching manner, the pressing block is provided with a glue pouring port corresponding to the joint of the conductor of the diode module and the cable, and the glue pouring port is used for pouring glue into the joint of the conductor of the diode module and the cable;
the inner edge of the wiring opening of the junction box body is provided with a sealing ring mounting groove, and a sealing ring sleeved on the periphery of the cable is arranged in the sealing ring mounting groove.
2. The moisture-proof and leakage-proof photovoltaic module junction box according to claim 1, wherein at least one ridge structure is arranged on one side of the interior of the junction box body close to the wiring opening, and an arc-shaped concave which is matched with and supports the arc-shaped surface of the bottom of the cable is arranged on the upper side of each ridge structure.
3. The junction box of claim 2, wherein a concave portion adapted to the elastic protrusion of the inner wall of the junction box body is formed on a side surface of the pressing block, and the pressing block is fastened to the junction box body through the concave portion and the elastic protrusion.
4. The moisture-proof and leakage-proof photovoltaic module junction box of claim 2, wherein the bottom of the pressing block is provided with a flange structure corresponding to the ridge-shaped structure and a groove which is arranged at the bottom of the pressing block and forms a sealing structure with the arc-shaped concave;
the groove and the arc are concave inwards to form a hole-shaped structure for a cable to pass through, and the hole-shaped structure is in interference fit with the cable.
5. The moisture-proof and leakage-proof photovoltaic module junction box of claim 3, wherein the pressing block is fixed by ultrasonic welding after being matched with the junction box body.
6. The moisture and electrical leakage resistant photovoltaic module junction box of claim 1, wherein the side walls of the base are mounted in the receiving cavity of the junction box body by a snap fit arrangement.
7. The moisture and electrical leakage resistant photovoltaic module junction box of any of claims 1 to 6, wherein the cable is fixed to the electrical conductors of the diode module by riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222385315.5U CN218006194U (en) | 2022-09-08 | 2022-09-08 | Moisture-proof and anti-creeping photovoltaic module junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222385315.5U CN218006194U (en) | 2022-09-08 | 2022-09-08 | Moisture-proof and anti-creeping photovoltaic module junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218006194U true CN218006194U (en) | 2022-12-09 |
Family
ID=84289308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222385315.5U Active CN218006194U (en) | 2022-09-08 | 2022-09-08 | Moisture-proof and anti-creeping photovoltaic module junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218006194U (en) |
-
2022
- 2022-09-08 CN CN202222385315.5U patent/CN218006194U/en active Active
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