CN216904179U

CN216904179U - Outer cable mounting structure of wind driven generator

Info

Publication number: CN216904179U
Application number: CN202220582589.0U
Authority: CN
Inventors: 刘海斌; 陈星�
Original assignee: Huaneng Jiuquan Wind Power Co Ltd
Current assignee: Huaneng Jiuquan Wind Power Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-05
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses an external cable mounting structure of a wind driven generator, which comprises a junction box, wherein a junction box is arranged on the outer wall of the junction box, a second contact piece is clamped inside the junction box, a fixing cap is sleeved outside the junction box, a first contact piece is inserted into one end of the fixing cap, an insertion hole is formed in the outer wall of the other end of the fixing cap, the first contact piece is electrically connected with the second contact piece, a connecting hole is formed in the outer wall of one side of the first contact piece, a fixing groove is formed in the inner part of the fixing cap, a locking ring and a spring are inserted into the fixing groove, the spring is positioned below the locking ring, a button is arranged at the top of the locking ring, a threading hole is formed in the outer wall of one side of the locking ring, the insertion hole, the connecting hole and the threading hole are communicated with each other, and a clamping tooth is arranged on the inner wall of the side surface of the threading hole. According to the utility model, the cable can be quickly disassembled and assembled by pressing and loosening the button, so that the maintenance is convenient, the circuit is protected in a section by the self-recovery fuse, and the connection structure is cooled by the cooling fan, so that the circuit is prevented from being burnt out due to overhigh temperature.

Description

Outer cable mounting structure of wind driven generator

Technical Field

The utility model belongs to the technical field of wind power generation, and particularly relates to an external cable mounting structure of a wind driven generator.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, has a huge abundance, does not have potential risks of radiation and environmental pollution, and is favored by more and more countries.

The outer cable mounting structure of the existing wind driven generator is usually fixed at the joint of cables through bolts, not only is the fixing and the dismounting complex, but also the protection and the heat dissipation effect are poor, therefore, the outer cable mounting structure of the existing wind driven generator is designed to have important practical significance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model aims to provide an external cable mounting structure of a wind driven generator.

In order to achieve the purpose and achieve the technical effect, the utility model adopts the technical scheme that:

an outer cable installation structure of a wind driven generator comprises a junction box, wherein a plurality of junction tubes are integrally formed on the outer walls of two opposite sides of the junction box, a second contact piece is clamped inside the junction tubes, a fixing cap is sleeved outside the junction tubes, a first contact piece is inserted into one end of the fixing cap, an insertion hole is formed in the outer wall of the other end of the fixing cap, the first contact piece is electrically connected with the second contact piece, a connecting hole is formed in the outer wall of one side of the first contact piece, a fixing groove is formed inside the fixing cap, a locking ring and a spring are inserted into the fixing groove, the spring is positioned below the locking ring, a button is integrally formed on the outer wall of the top of the locking ring and drives the locking ring to vertically move downwards, a threading hole is formed in the outer wall of one side of the locking ring, the insertion hole, the connecting hole and the threading hole are communicated with each other, and a plurality of clamping teeth which are distributed at equal intervals are integrally formed on the inner walls of the side surfaces of the threading hole, the cable fixing device is used for fixing a cable, preventing the cable from being separated from the cable, and when the threading hole is aligned with the connecting hole and the jack, the cable is inserted into the connecting hole through the jack and the threading hole, so that the cable is electrically connected with the first contact plate, and after the button is loosened, the spring upwards pushes the locking ring, so that the cable is fixed by the gripping teeth, and the cable on the other side is fixed according to the steps to complete the connection of the cable.

Furthermore, the inside joint of jack is used for carrying out the sealed pad that seals to cable and locking cap junction.

Furthermore, the contact pad is bonded on the outer side wall of the first contact piece, and a reaction force can be applied between the fixing cap and the junction tube, so that the threaded connection is more tight.

Furthermore, a plurality of insulating grooves distributed at equal intervals are formed in the junction box, self-recovery fuses are installed in the insulating grooves through screws, and the self-recovery fuses are electrically connected with the second contact pieces.

Further, there is the lid through the screw installation on the top outer wall of terminal box, it has the mounting groove that is a plurality of equidistance and distributes to open on the top outer wall of lid, there is the heat dissipation fan the inside of mounting groove through the screw installation, and the inside bonding of mounting groove has the dust screen.

Furthermore, a plurality of radiating grooves distributed equidistantly are formed in the outer wall of one side of the junction box, and a dustproof net is bonded inside the radiating grooves.

Furthermore, the external thread of the wire connecting pipe is connected with a fixing cap.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing caps are arranged on two sides of the junction box and electrically connected with the self-recovery fuse in the junction box, when a cable is connected, an operator only needs to press the button, the cable is inserted into the fixing caps, and finally the button is loosened to complete installation, and when the cable is disconnected, the button is pressed, and then the cable is pulled out, so that the cable is convenient to disassemble, assemble and maintain;

2. the self-recovery fuse is arranged in the junction box, so that the circuit can be protected in a section way when the circuit fails, the heat dissipation fan is arranged above the junction box, the connection structure can be dissipated, the circuit is prevented from being burnt out due to overhigh temperature, and the service lives of the cable and the device are effectively prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the junction box of the present invention;

FIG. 3 is a cross-sectional view of the locking cap construction of the present invention;

wherein: 1. a junction box; 2. a box cover; 3. a wire connecting pipe; 4. a fixing cap; 5. a button; 6. mounting grooves; 7. a heat dissipation fan; 8. a heat sink; 9. a dust screen; 10. a jack; 11. a gasket; 12. a first contact piece; 13. connecting holes; 14. a contact pad; 15. fixing grooves; 16. locking a ring; 17. threading holes; 18. gripping the teeth; 19. a spring; 20. an insulating groove; 21. a self-healing fuse; 22. a second contact.

Detailed Description

The present invention is described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus the scope of the present invention can be clearly and clearly defined.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, an external cable installation structure of a wind power generator comprises a junction box 1, a plurality of wire connecting tubes 3 are integrally formed on outer walls of two opposite sides of the junction box 1, a second contact piece 22 is clamped inside the wire connecting tubes 3, a fixing cap 4 is connected to the outer portion of each wire connecting tube 3 through a thread, a fixing groove 15 is formed inside the fixing cap 4, a locking ring 16 and a spring 19 are inserted inside the fixing groove 15, the spring 19 is positioned below the locking ring 16, the locking ring 16 is used for locking a cable, a threading hole 17 is formed on the outer wall of one side of the locking ring 16, a plurality of gripping teeth 18 which are distributed at equal intervals are integrally formed on the inner wall of the side of the threading hole 17 and used for fixing the cable to prevent the cable from being pulled out, a button 5 is integrally formed on the outer wall of the top of the locking ring 16 to facilitate an operator to push the locking ring 16, a first contact piece 12 is inserted into one end of the fixing cap 4, and the first contact 12 is electrically connected to the second contact 22.

As a specific implementation mode, a connecting hole 13 is formed in the outer wall of one side of the first contact 12, a jack 10 is formed in the outer wall of the other side of the fixing cap 4, a sealing gasket 11 is clamped inside the jack 10 and used for sealing the joint of the cable and the fixing cap 4, the jack 10, the connecting hole 13 and the threading hole 17 are communicated with each other, a contact pad 14 is further bonded on the outer side wall of the first contact 12, and a reaction force can be applied between the fixing cap 4 and the junction tube 3, so that the threaded connection is fastened more tightly.

The utility model has the following beneficial effects:

fixing cap 4 is installed in the both sides of terminal box 1, is electric connection with the inside self-resuming fuse 21 of terminal box 1, and when connecting the cable, operating personnel only need press button 5, pegs graft the cable in fixing cap 4's inside, loosens button 5 at last and can accomplish the installation, and also only need press button 5 during the unwrapping wire, again with the cable extract can, dismouting and maintenance are comparatively convenient.

Example 2

As shown in fig. 1 to 3, the external cable mounting structure of the wind turbine generator of the present embodiment is further designed for the junction box 1 based on embodiment 1 as follows:

the inside of terminal box 1 is opened has a plurality of to be the insulated slot 20 that the equidistance distributes, and there is self-resuming fuse 21 in the inside of insulated slot 20 through the mounting screw, can play the effect of the protection of opening circuit when the circuit breaks down, self-resuming fuse 21 is electric connection with second contact 22, there is lid 2 through the mounting screw on the top outer wall of terminal box 1, it has the mounting groove 6 that is a plurality of equidistance and distributes to open on the top outer wall of lid 2, there is cooling fan 7 in the inside of mounting groove 6 through the mounting screw, can drive the circulation of air, the heat of effluvium.

As a specific implementation manner, a plurality of radiating grooves 8 are equidistantly formed in the outer wall of one side of the junction box 1, and dust screens 9 are bonded in the radiating grooves 8 and the mounting grooves 6, so that dust can be prevented from entering the junction box 1.

The utility model has the following beneficial effects:

adopt the terminal box 1 of above-mentioned setting, the inside of terminal box 1 is provided with self-resuming fuse 21, can be when the circuit breaks down, plays the effect of section way protection to the circuit to heat dissipation fan 7 is installed to the top of terminal box 1, can dispel the heat to connection structure, prevents to lead to the circuit to burn out because of the high temperature, thereby the effectual life who prolongs cable and device.

The working principle and the using process of the utility model are as follows:

when the cable fixing device is used, an operator firstly presses the button 5, the button 5 drives the locking ring 16 to move downwards, the spring 19 is compressed, the threading hole 17 is aligned with the center of the connecting hole 13 and the center of the inserting hole 10, the operator can insert a cable into the connecting hole 13 through the inserting hole 10 and the threading hole 17, the cable is electrically connected with the first contact 12, then the operator loosens the button 5, the spring 19 pushes the locking ring 16 upwards, the gripping teeth 18 fix the cable, and the operator fixes the cable on the other side according to the steps to complete the connection of the cable; when the specification and the device of cable do not match, operating personnel rotates locking cap 4, will make first contact 12 and second contact 22 contact each other on connecting tube 3 with cable specification assorted locking cap 4 threaded connection again after taking off locking cap 4, again with the cable fix in locking cap 4 can.

The same as in example 1.

The parts or structures of the utility model which are not described in detail can be the same as those in the prior art or the existing products, and are not described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an outer cable mounting structure of aerogenerator which characterized in that, the terminal box comprises a junction box, be provided with a plurality of wiring pipes on the relative both sides outer wall of terminal box, the inside joint of wiring pipe has the second contact, the outside cover of wiring pipe is equipped with the locking cap, the one end of locking cap is pegged graft and is had first contact, it has the jack to open on the other end outer wall of locking cap, first contact and second contact electric connection, it has the connecting hole to open on one side outer wall of first contact, the inside of locking cap is opened has the fixed slot, the inside of fixed slot is pegged graft and is had locking ring and spring, the spring is located the below of locking ring, the top of locking ring is provided with the button, the button drives the vertical downstream of locking ring, it has the through wires hole to open on one side outer wall of locking ring, jack, connecting hole and through wires hole link up each other, be provided with a plurality of clenching in the tooth on the side inner wall of through wires hole.

2. The external cable mounting structure of the wind power generator as claimed in claim 1, wherein a gasket for sealing a connection between the cable and the fixing cap is engaged with an inside of the insertion hole.

3. The external cable mounting structure of wind power generator as claimed in claim 1, wherein the outer sidewall of said first contact plate is bonded with a contact pad.

4. The structure of claim 1, wherein the junction box has a plurality of insulation grooves formed therein and distributed at equal intervals, and the insulation grooves have self-restoring fuses mounted therein by screws, and the self-restoring fuses are electrically connected to the second contact pieces.

5. The structure of claim 1, wherein a box cover is mounted on the outer wall of the top of the box cover through screws, a plurality of mounting grooves are formed in the outer wall of the top of the box cover and are equidistantly distributed, a heat dissipation fan is mounted in each mounting groove through screws, and a dust screen is bonded in each mounting groove.

6. The structure of claim 1, wherein the outer wall of one side of the junction box is provided with a plurality of heat dissipation grooves which are equidistantly distributed, and the interior of each heat dissipation groove is bonded with a dust screen.

7. An external cable mounting structure of a wind power generator as claimed in claim 1, wherein a fixing cap is screw-coupled to an outside of the wire barrel.