CN211017629U

CN211017629U - Prevent photovoltaic cable subassembly against current

Info

Publication number: CN211017629U
Application number: CN202020020996.3U
Authority: CN
Inventors: 章高魁
Original assignee: Ningbo Pntech New Energy Co ltd
Current assignee: Ningbo Pntech New Energy Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-07-14
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an anti-reflux photovoltaic cable component, which comprises a cable line, a cable socket, a cable plug and a diode connector, wherein the cable socket is provided with a fixing hole and a socket hole, and the diode connector comprises a connector end and two connector pins inserted into the fixing hole; two pin inserting slots are formed in one end, close to the cable socket, of the diode connector, and a fixing slot is formed in one end, far away from the cable socket, of each pin inserting slot; the connector pin comprises a pin fixing end, a pin main board and a pin tip end which is inserted into the socket hole; one side of the pin main board, which is far away from the connector end, is adhered with a rubber convex edge, and one side of the pin inserting slot, which is close to the rubber convex edge, is provided with a positioning recess for embedding the rubber convex edge; the side of the pin main board close to the connector end is provided with a convex pattern printing, and the side of the pin slot close to the convex pattern printing is provided with a pull-out gap. The utility model has the advantages of simple disassembly and assembly and convenient replacement.

Description

Prevent photovoltaic cable subassembly against current

Technical Field

The utility model relates to a cable equipment field, in particular to prevent photovoltaic cable subassembly against current.

Background

When the solar cell module does not generate electricity, the current of the storage battery is reversely sent to the module or the square matrix, so that not only is energy consumed, but also the module or the square matrix is heated and even damaged; the output voltages of all the paths of the battery in series connection cannot be absolutely equal, the voltage of each branch always has a difference of high and low, or the output voltage of the branch is reduced due to the fault, shadow shielding and the like of a certain branch, the current of the high-voltage branch flows to the low-voltage branch, and even the total output voltage of the square matrix is reduced. The series connection of the anti-reflux diodes in the branches avoids this phenomenon.

At present, chinese patent with publication number CN209471951U discloses a photovoltaic anti-reverse diode, which includes a plug-in terminal and a first photovoltaic cable, wherein one end of the first photovoltaic cable is connected with the plug-in terminal; the positive electrode of the anti-reverse diode is connected with the other end of the first photovoltaic cable; one end of the second photovoltaic cable is connected with the negative electrode of the anti-recoil diode; and the cable parallel connection device is connected with the other end of the second photovoltaic cable. The utility model discloses beneficial effect: and an anti-recoil diode is arranged between the plug plugging end and the cable parallel connection device, so that the phenomenon of recoil current existing between the assemblies is avoided, and the phenomenon that the storage battery supplies power to the assemblies reversely at night is also avoided.

Although the photovoltaic anti-reverse diode has the function of preventing the photovoltaic cable from flowing reversely, the plug plugging end of the photovoltaic anti-reverse diode is easy to damage, and the whole photovoltaic anti-reverse diode needs to be replaced after the photovoltaic anti-reverse diode is damaged, so that the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent photovoltaic cable subassembly against current has the advantage that the dismouting is simple, convenient change.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an anti-backflow photovoltaic cable assembly comprises a cable line, a cable socket, a cable plug and a diode connector, wherein the cable socket is provided with a fixing hole and a socket hole, and the diode connector comprises a connector terminal and two connector pins inserted into the fixing hole;

two pin inserting slots are formed in one end, close to the cable socket, of the diode connector, the pin inserting slots are respectively located on two sides of the connector end, a fixing slot is formed in one end, far away from the cable socket, of each pin inserting slot, and the pin inserting slots are communicated with the fixing slots; the connector pin comprises a pin fixing end, a pin main board and a pin tip end for inserting into the fixing hole, wherein the pin main board is embedded in the pin inserting slot, and the pin fixing end is embedded in the fixing slot;

the side, far away from the connector end, of the pin main board is adhered with a rubber convex edge, the length direction of the rubber convex edge is the same as the moving direction of the pin main board when the pin main board is embedded into the pin inserting groove, one side, close to the rubber convex edge, of the pin inserting groove is provided with a positioning recess for embedding the rubber convex edge, and after the rubber convex edge is embedded into the positioning recess, the rubber convex edge and the positioning recess are mutually abutted; the connector pin is characterized in that a convex pattern printing is arranged on one surface, close to the connector end, of the pin main board, a poking-out gap is arranged on one surface, close to the convex pattern printing, of the pin inserting groove, and the poking-out gap is used for enabling fingers to stretch into and poke out the connector pins conveniently.

Through adopting above-mentioned technical scheme, insert the diode connector on the cable socket, insert the cable plug on the diode connector, can realize that the diode connector establishes ties to the cable line on, play the effect that prevents that electric current is adverse current in the cable. The diode connector comprises connector pins, and the connector pins are often required to be deformed to plug and unplug the diode connector in the using process. Because reasons such as operation or ageing, the connector is participated in and is broken off easily, and whole diode connector will all lose effect after the rupture, so this scheme adopts detachable connector to participate in, and through participating in the mainboard embedding of participating in the connector and participating in the slot, will participate in the stiff end embedding fixed slot, can participate in the installation on diode connector with the connector. Through will pasting in inserting the location sunken at the rubber bead on the mainboard of participating in, can make the connector participate in and fix in participating in the slot, prevent that the connector from participating in and producing and slide, made things convenient for installation and use. The side of the pin slot close to the convex printing is provided with a pull-out notch, so that the connector pin can be conveniently pulled out. The scheme enables the connector pins of the diode connector to be simply disassembled and assembled and conveniently replaced.

The utility model discloses further set up to: an annular groove is formed in the connector end, and a rubber sealing ring is arranged in the annular groove.

Through adopting above-mentioned technical scheme, set up rubber seal and can improve the connector end of diode connector and stretch into the gas tightness behind the socket hole, thereby prevent that water or humid air etc. from getting into the junction of the two and causing the harm to the cable.

The utility model discloses further set up to: two sides of the connector end close to the connector pins are planes, two sides of the socket hole close to the fixing hole are planes, and the connector end cannot rotate after being inserted into the socket hole.

By adopting the technical scheme, the connector end is inserted into the socket hole and cannot rotate, the connection stability between the diode connector and the cable socket is improved, meanwhile, the connector pins are further protected, and the connector pins are prevented from being broken due to the fact that the connector end rotates in the socket hole.

The utility model discloses further set up to: the diode connector comprises a connector shell, and frosted lines are arranged on the connector shell.

By adopting the technical scheme, an operator can conveniently hold the diode connector, and the influence on efficiency caused by the sliding of hands when the diode connector is plugged or pulled out is prevented.

The utility model discloses further set up to: the cable socket is provided with a pressing notch, the tip of the pin is inserted into the fixing hole and then extends out of the pressing notch, the bottom of the pressing notch is provided with a blocking groove, a blocking strip is inserted into the blocking groove, the blocking strip is coated with a rubber coating, and the blocking strip is used for blocking the tip of the pin from pressing down.

Through adopting above-mentioned technical scheme, will block the strip and insert and block in the groove, can be blockked by the strip when participating in the pointed end and pushing down this moment to can't take off diode connector from the cable socket, play the effect of locking, coating rubber coating on the strip that blocks, increase blocks the strip and blocks the frictional force between the groove, prevents to block the strip landing.

Drawings

FIG. 1 is a schematic view of the disassembled structure of the present embodiment;

FIG. 2 is a partially disassembled schematic view of the present embodiment;

FIG. 3 is a schematic view of the present embodiment in connection;

FIG. 4 is a schematic view of the structure at A in FIG. 2;

fig. 5 is a schematic diagram of the structure at B in fig. 3.

In the figure, 1, a cable socket; 2. a diode connector; 3. a cable plug; 4. the tips of the pins; 5. a pin mainboard; 6. fixing ends of the pins; 7. rubber ribs; 8. a connector housing; 9. a connector end; 10. a rubber seal ring; 11. inserting the pins into the slots; 12. fixing the slot; 13. positioning the recess; 14. pulling out the notch; 15. a fixing hole; 16. pressing the notch; 17. a blocking groove; 18. a barrier strip; 19. printing the convex patterns; 20. a connector pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

an anti-reflux photovoltaic cable assembly is shown in fig. 1 and comprises a cable line, a cable socket 1, a cable plug 3 and a diode connector 2.

As shown in fig. 2 to 5, a fixing hole 15 and a socket hole are formed in the cable socket 1, the diode connector 2 includes a connector terminal 9 and connector pins 20 respectively located at two sides of the connector terminal 9, an annular groove is formed in the connector terminal 9, and a rubber sealing ring 10 is embedded in the annular groove. The diode connector 2 further comprises a connector housing 8, and frosted lines are arranged on the connector housing 8. The connector terminals 9 are adapted to be inserted into the receptacle holes and the connector pins 20 are adapted to be inserted into the fixing holes 15. Two sides of the connector terminal 9 close to the connector pins 20 are flat surfaces, two sides of the socket hole close to the fixing hole 15 are flat surfaces, and the connector terminal 9 cannot rotate after being inserted into the socket hole. The connector pins 20 are detachably mounted on the diode connector 2. Two pin inserting grooves 11 are arranged at one end of the diode connector 2 close to the cable socket 1, the two pin inserting grooves 11 are respectively positioned at two sides of the connector end head 9, a fixing inserting groove 12 is arranged at one end of the pin inserting groove 11 far away from the cable socket 1, and the fixing inserting groove 12 is perpendicular to the pin inserting grooves 11 and is communicated with the pin inserting grooves 11. The connector pin 20 includes a pin fixing end 6, a pin main plate 5 and a pin tip end 4 which are integrally connected, the pin main plate 5 is adapted to be inserted into the pin insertion slot 11, the pin fixing end 6 is adapted to be inserted into the fixing slot 12, and the pin tip end 4 is adapted to be inserted into the fixing hole 15.

As shown in fig. 4 and 5, a rubber rib 7 is attached to a surface of the pin main plate 5 away from the connector header 9, a longitudinal direction of the rubber rib 7 is the same as a moving direction of the pin main plate 5 when it is inserted into the pin insertion slot 11, and a positioning recess 13 for fitting the rubber rib 7 is provided to a surface of the pin insertion slot 11 adjacent to the rubber rib 7, and the rubber rib 7 and the positioning recess 13 abut against each other when they are fitted into each other. The side of the pin mainboard 5 near the connector end 9 is provided with a relief printing 19, the connector pin 20 can be pulled out by touching the relief printing 19 with fingers, and the side of the pin slot 11 near the relief printing 19 is also provided with a pulling-out gap 14 for facilitating the fingers to put in.

As shown in fig. 4 and 5, a pressing notch 16 is provided on the cable socket 1, the prong tip 4 is inserted into the fixing hole 15 and then extends out from the pressing notch 16, a blocking groove 17 is provided at the bottom of the pressing notch 16, a blocking strip 18 is inserted into the blocking groove 17, a rubber coating is coated on the blocking strip 18, and the blocking strip 18 is used for blocking the prong tip 4 from pressing down.

When the connector pin 20 is installed on the diode connector 2, the pin main board 5 is inserted into the pin slot 11, the pin fixing end 6 is inserted into the fixing slot 12, and the rubber rib 7 is embedded in the positioning recess 13. The series mounting of the diode connector 2 on the cable line is then completed by inserting the connector pins 20 into the fixing holes 15, inserting the connector terminals 9 into the receptacle holes, and finally mounting the cable plug 3 onto the diode connector 2. By inserting the stop strip 18 in the stop groove 17 of the cable socket 1, the prong tips 4 are locked so that the prong tips 4 cannot be pressed down.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a prevent photovoltaic cable subassembly against current, includes the cable conductor, characterized by: the anti-backflow photovoltaic cable assembly further comprises a cable socket (1), a cable plug (3) and a diode connector (2), wherein the cable socket (1) is provided with a fixing hole (15) and a socket hole, and the diode connector (2) comprises a connector terminal (9) and two connector pins (20) inserted into the fixing hole (15);

two pin inserting grooves (11) are formed in one end, close to the cable socket (1), of the diode connector (2), the pin inserting grooves (11) are located on two sides of the connector end (9) respectively, fixed inserting grooves (12) are formed in one ends, far away from the cable socket (1), of the pin inserting grooves (11), and the pin inserting grooves (11) are communicated with the fixed inserting grooves (12); the connector pin (20) comprises a pin fixing end (6), a pin main board (5) and a pin tip (4) inserted into the fixing hole (15), wherein the pin main board (5) is embedded in the pin slot (11), and the pin fixing end (6) is embedded in the fixing slot (12);

a rubber convex edge (7) is adhered to one surface, away from a connector end (9), of the pin main board (5), the length direction of the rubber convex edge (7) is the same as the moving direction of the pin main board (5) when the pin main board is embedded into the pin inserting groove (11), a positioning recess (13) for embedding the rubber convex edge (7) is formed in one surface, close to the rubber convex edge (7), of the pin inserting groove (11), and after the rubber convex edge (7) is embedded into the positioning recess (13), the rubber convex edge (7) and the positioning recess (13) are mutually abutted; the connector pin structure is characterized in that a convex pattern printing (19) is arranged on one surface, close to the connector end (9), of the pin main board (5), a poking notch (14) is arranged on one surface, close to the convex pattern printing (19), of the pin inserting groove (11), and the poking notch (14) is used for enabling a finger to stretch into and poke out the connector pin (20) conveniently.

2. The anti-reflux photovoltaic cable assembly as defined in claim 1, wherein: an annular groove is formed in the connector end (9), and a rubber sealing ring (10) is arranged in the annular groove.

3. The anti-reflux photovoltaic cable assembly as defined in claim 1, wherein: the two sides of the connector end (9) close to the connector pins (20) are planes, the two sides of the socket hole close to the fixing hole (15) are planes, and the connector end (9) cannot rotate after being inserted into the socket hole.

4. The anti-reflux photovoltaic cable assembly as defined in claim 1, wherein: the diode connector (2) comprises a connector shell (8), and frosted lines are arranged on the connector shell (8).

5. The anti-reflux photovoltaic cable assembly as defined in claim 1, wherein: be equipped with on cable socket (1) and press breach (16), follow behind the prong point (4) insertion fixed orifices (15) and press breach (16) and stretch out, the bottom of pressing breach (16) is equipped with and blocks groove (17), it is equipped with in the interpolation of blocking groove (17) and blocks strip (18), it has rubber coating to coat on blocking strip (18), it is used for blockking that prong point (4) are pushed down to block strip (18).