CN214797769U

CN214797769U - Photovoltaic square matrix lightning grounding device

Info

Publication number: CN214797769U
Application number: CN202121409718.8U
Authority: CN
Inventors: 闵昌江; 侯进; 魏飞祥
Original assignee: Shaanxi Denong Power Engineering Co ltd
Current assignee: Shaanxi Denong Power Engineering Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-19
Anticipated expiration: 2031-06-23

Abstract

The application relates to a photovoltaic array lightning protection grounding device, which relates to the field of lightning protection grounding technology and comprises a base, a wire winding device, a grounding wire, a grounding screw rod, a lifting device and a connecting device, wherein the lifting device is arranged on the base and used for inserting the grounding screw rod into the ground, the connecting device is arranged at the top of the grounding screw rod, one end of the grounding wire is connected with the grounding screw rod through the connecting device, the other end of the grounding wire is used for being connected with a connecting wire of a photovoltaic array, and the grounding wire is wound on the winding device, the lifting device comprises a driving mechanism, a support ring, a guide sliding rod and a lifting sleeve, the support ring is coaxially arranged on the grounding screw rod, the lifting sleeve is sleeved on the grounding screw rod, the guide sliding rod is arranged on the base, the top of the guide sliding rod penetrates through the support ring, and the guide sliding rod is connected with the support ring in a sliding manner, and the driving mechanism is used for driving the lifting sleeve to rotate. This application can reduce installer installation earth connection's working strength, improves the installation effectiveness.

Description

Photovoltaic square matrix lightning grounding device

Technical Field

The application relates to the field of lightning protection grounding technology, in particular to a photovoltaic square matrix lightning protection grounding device.

Background

A photovoltaic array, also called a photovoltaic array, is a dc power generation unit formed by assembling a plurality of photovoltaic modules or photovoltaic panels together mechanically and electrically in a certain manner and having a fixed support structure. Photovoltaic is carrying out the in-process of installing, often need use lightning grounding device, contacts photovoltaic square matrix and ground, ensures photovoltaic safe handling.

The Chinese patent with the application number of 201922180582.7 discloses a novel photovoltaic grounding device, which comprises a photovoltaic supporting rod, a motor box fixedly connected with the inner bottom wall of the photovoltaic supporting rod, a servo motor fixedly connected with the inner bottom wall of the motor box, a driving rod fixedly connected with the output shaft of the servo motor, a supporting plate fixedly connected with the top end of the driving rod, a photovoltaic energy plate fixedly connected with the top of the supporting plate, a fixed base fixedly connected with the bottom of the photovoltaic supporting rod, a controller fixedly connected with the front side of the photovoltaic supporting rod, a connecting rod fixedly connected with the right side of the photovoltaic supporting rod, a rotating block movably connected with the outer side of the connecting rod, a grounding wire fixedly connected with the right side of the controller, a threaded block fixedly connected with the top of the fixed base, a threaded rod connected with the inner side of the threaded block through threads, a punching drill bit fixedly connected with the bottom end of the threaded rod, and connecting screws connected with the left side and the right side of the fixed base through threads, the top fixedly connected with earthing rod of threaded rod, the top fixedly connected with rolling disc of earthing rod, the top fixedly connected with movable handle of rolling disc, the outside swing joint of earthing rod has the grip block.

Through rotating movable handle, movable handle pivoted in-process, can drive the rolling disc in proper order, the earthing rod, the threaded rod and the drill bit that punches a hole rotate, because the inboard of screw thread piece offer with the screw hole of threaded rod outside screw thread looks adaptation, the screw hole contacts and produces the displacement with the screw thread in the threaded rod outside, so threaded rod pivoted in-process, can drive the rotatory reciprocating that reciprocates of drill bit that punches a hole, the in-process that the drill bit that punches a hole reciprocated, can punch a hole ground, the mesh that ground punched a hole has been realized, the effectual earth connection that lets is connected with ground.

In view of the above-mentioned related art, the inventor believes that in order to drive the ground wire into the ground, the installer needs to manually rotate the movable handle, then punch the hole in the ground by the threaded rod and the punching drill, and further achieve the purpose of driving the ground wire into the ground, but in a place with hard soil, the working strength of the installer for installing the ground wire is increased by manually rotating the movable handle, so that the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to reduce the working strength that installer installed the earth connection, improve the installation effectiveness, this application provides a photovoltaic square matrix lightning grounding device.

The application provides a photovoltaic square matrix lightning grounding device adopts following technical scheme:

a photovoltaic square matrix lightning protection grounding device comprises a base, a winding device, a grounding wire, a grounding screw rod, a lifting device and a connecting device, wherein the lifting device is arranged on the base, the lifting device is used for inserting the grounding screw rod into the ground, the connecting device is arranged at the top of the grounding screw rod, one end of the grounding wire is connected with the grounding screw rod through the connecting device, the other end of the grounding wire is connected with the connecting wire of the photovoltaic square matrix, the grounding wire is wound on the winding device, the lifting device comprises a driving mechanism, a support ring, a guide sliding rod and a lifting sleeve, the support ring is coaxially arranged on the grounding screw rod, the lifting sleeve is sleeved on the grounding screw rod, the lifting sleeve penetrates through the base, the lifting sleeve is arranged along the height direction of the base, the guide sliding rod is arranged on the base, the top of the guide sliding rod penetrates through the support ring, the guide sliding rod is connected with the support ring in a sliding mode, and the driving mechanism is used for driving the lifting sleeve to rotate.

Through adopting above-mentioned technical scheme, during the use, remove assigned position department with the base, then link together the ground wire and the earth connection of photovoltaic square matrix. Through connecting device, be connected to together earth connection and ground screw, then adjust actuating mechanism, actuating mechanism drives the lifting sleeve and rotates, under the effect of leading the slide bar, the lifting sleeve drives the direction of height motion of ground screw along the base, and then can make the bottom of ground screw squeeze into ground, and then realize the ground connection of earth connection. Through actuating mechanism, can make the lift sleeve take place to rotate, and then can make the bottom of ground screw squeeze into the below ground, and then realize the ground connection of photovoltaic square matrix, can reduce the working strength that installer installed the earth connection, improve the installation effectiveness.

Optionally, actuating mechanism includes driving motor, drive chain, driving gear and driven gear, the coaxial setting of driving gear is in on driving motor's the drive shaft, the coaxial setting of driven gear is in on the lifting sleeve, drive chain is around establishing on driving gear and the driven gear, drive chain and driving gear and driven gear all mesh the setting, driving motor is used for the drive the driving gear rotates.

Through adopting above-mentioned technical scheme, adjust driving motor, driving motor's drive shaft drives the driving gear and rotates, and the driving gear drives the drive chain with it meshing and rotates, and drive chain drives driven gear and rotates, and driven gear drives the lift sleeve and takes place to rotate. The driving mechanism who sets up can provide power for lifting sleeve's rotation, is convenient for realize the lift of ground screw, can make ground screw squeeze into the below ground fast, reduces the working strength that installer installed the earth connection, and then reaches the purpose of ground connection.

Optionally, a limiting ring capable of limiting the grounding screw is arranged on the grounding screw.

Through adopting above-mentioned technical scheme, the spacing ring that sets up can carry on spacingly to the motion of ground screw, reduces ground screw and breaks away from lifting sleeve at the in-process that goes up and down, makes ground screw move at lifting sleeve's effective drive within range.

Optionally, a protective cover capable of protecting the driving chain is arranged on the base.

Through adopting above-mentioned technical scheme, the protection casing of setting can play certain guard action to drive chain, can reduce dust and the rainwater in the air and cause the erosion to drive chain, and then influence drive chain's result of use.

Optionally, the winding device includes winding seat, spool, winding roller, ratchet and pawl, the winding seat sets up on the base, the coaxial setting of winding roller is in on the spool, the both ends of spool with the spool rotates to be connected, the earth connection winding is on the winding roller, the coaxial setting of ratchet is in on the spool, the pawl sets up on the spool, just the ratchet meshes with the pawl mutually.

Through adopting above-mentioned technical scheme, when the wire winding screw rod drives the earth connection motion, the earth connection drives the winding roller and rotates, and the winding roller drives the spool motion, and the spool drives the ratchet and rotates, under the effect of pawl, can reduce the spool and move along the direction of tight line, and then can make the earth connection move along with the motion of ground screw rod. The winding device that sets up can twine and collect the earth connection, can reduce the earth connection and take place the winding at the in-process that uses, and then cause the use inconvenient.

Optionally, two ends of the winding roller are respectively provided with a guard ring for protecting the ground wire.

Through adopting above-mentioned technical scheme, the guard ring that sets up can carry on spacingly to the motion of earth connection on the winding roller, reduces the earth connection at winding in-process roll-off winding roller, and then is convenient for realize the winding to earth connection.

Optionally, one end of the winding shaft extending out of the winding seat is connected with a winding handle.

Through adopting above-mentioned technical scheme, the winding handle that sets up, the installer of being convenient for adjusts the rotation of spool, when needs twine ground wire, through adjusting the winding handle, can realize the winding of ground wire on the winding roller fast, improves work efficiency.

Optionally, the connecting device includes a connection lug and a connecting piece, a thread section is arranged at the top of the ground screw, the diameter of the thread section is smaller than that of the ground screw, the connection lug is arranged at one end of the ground wire close to the ground screw, the connection lug is sleeved on the thread section, and the connecting piece is used for fixing the connection lug on the thread section.

Through adopting above-mentioned technical scheme, establish the connection lug cover on the screw thread section, then adjust the connecting piece, fix the connection lug on the screw thread section, and then realize being connected between earth connection and the ground screw. The connection lug piece is convenient for connect between earth connection and the ground screw, reduces the damage of earth connection at the in-process of ground connection, prolongs the life of earth connection. The connecting device can realize the detachable connection between the grounding wire and the grounding screw rod, and is convenient for detaching the grounding wire as required.

Optionally, at least two ground nails used for fixing the base on the ground are arranged on the base.

Through adopting above-mentioned technical scheme, through the ground nail, with fixing of base subaerial, can increase the joint strength between base and the ground, and then improve the base stability subaerial, be convenient for squeeze into ground with ground screw.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting sleeve can be rotated through the driving mechanism, so that the bottom of the grounding screw rod can be driven into the ground, the grounding of the photovoltaic square matrix is realized, the working strength of an installer for installing the grounding wire can be reduced, and the installation efficiency is improved;

2. the driving mechanism can provide power for the rotation of the lifting sleeve, so that the lifting of the grounding screw rod is convenient to realize, the grounding screw rod can be driven into the ground quickly, and the aim of grounding is further fulfilled;

3. the winding device that sets up can twine and collect the earth connection, can reduce the earth connection and take place the winding at the in-process that uses, and then cause the use inconvenient.

Drawings

Fig. 1 is a schematic structural diagram of an overall structure of a photovoltaic square matrix lightning protection grounding device according to an embodiment of the present application.

Fig. 2 is a partial schematic view of a photovoltaic square matrix lightning protection grounding device according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Reference numerals: 1. a base; 11. a protective cover; 12. a ground nail; 2. a winding device; 21. a winding seat; 22. a spool; 23. a winding roller; 24. a ratchet wheel; 25. a pawl; 26. a guard ring; 27. winding the handle; 3. a ground line; 4. a ground screw; 41. a limiting ring; 42. a threaded segment; 43. a drill bit; 5. a lifting device; 51. a drive mechanism; 511. a drive motor; 512. a drive chain; 513. a driving gear; 514. a driven gear; 52. a support ring; 53. a guide slide bar; 54. a lifting sleeve; 6. a connecting device; 61. connecting a lug plate; 62. a connecting member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses photovoltaic square matrix lightning grounding device. Referring to fig. 1, photovoltaic square matrix lightning grounding device includes base 1, kinking device 2, earth connection 3, ground screw 4, elevating gear 5 and connecting device 6, elevating gear 5 sets up on base 1, elevating gear 5 is used for inserting ground screw 4 below the ground, connecting device 6 sets up at ground screw 4's top, connecting device 6 is passed through to ground connection 3's one end and is connected with ground screw 4, the other end is used for being connected with the connecting wire of photovoltaic square matrix, and the winding of earth connection 3 is on kinking device 2. Be provided with four ground nails 12 on the base 1, through ground nail 12, can strengthen the joint strength between base 1 and the ground.

Referring to fig. 2 and 3, in order to reduce the work intensity of the installer for installing the ground wire 3 and improve the work quality, the lifting device 5 includes a driving mechanism 51, a support ring 52, a slide guide 53, and a lifting sleeve 54, the support ring 52 is coaxially disposed on the ground screw 4, the support ring 52 is welded on the ground screw 4, and the drill 43 is welded at the bottom of the ground screw 4. Lifting sleeve 54 overlaps and establishes on ground screw 4, and lifting sleeve 54 runs through base 1 and sets up, and lifting sleeve 54 passes through the bearing with base 1 and is connected, the outer lane and the base 1 interference fit of bearing, the inner circle and the lifting sleeve 54 interference fit of bearing, and this embodiment bearing is not marked. The lifting sleeves 54 are distributed along the height direction of the base 1, the bottom of the slide guiding rod 53 is welded on the base 1, the top of the slide guiding rod 53 penetrates through the support ring 52, and the slide guiding rod 53 is connected with the support ring 52 in a sliding manner. The driving mechanism 51 is used for driving the lifting sleeve 54 to rotate, the driving mechanism 51 comprises a driving motor 511, a driving chain 512, a driving gear 513 and a driven gear 514, the driving gear 513 is coaxially arranged on a driving shaft of the driving motor 511, and the driving gear 513 is in key connection with the driving shaft of the driving motor 511. The driven gear 514 is coaxially provided on the lifting sleeve 54, and the driven gear 514 is keyed with the lifting sleeve 54. The driving chain 512 is wound on the driving gear 513 and the driven gear 514, and the driving chain 512 is meshed with the driving gear 513 and the driven gear 514. The base of the driving motor 511 is fixed on the base 1 by bolts, and the driving gear 513 can be rotated by adjusting the driving motor 511. The ground screw 4 is coaxially provided with a limiting ring 41, the limiting ring 41 is welded on the ground screw 4, and the limiting ring 41 is arranged at the bottom of the support ring 52. The base 1 is connected with a protective cover 11 through a bolt, and the driving chain 512 can be protected through the protective cover 11.

Referring to fig. 3, in order to reduce the occurrence of twisting of the ground wire 3 during use, the use of the ground wire 3 is affected. The winding device 2 comprises a winding seat 21, a winding shaft 22, a winding roller 23, a ratchet wheel 24 and a pawl 25, wherein the bottom of the winding seat 21 is fixed on the base 1 through a bolt, the winding roller 23 is coaxially arranged on the winding shaft 22, and the winding roller 23 is welded with the winding shaft 22. Both ends of the winding shaft 22 are connected to the winding base 21 through bearings, and the ground wire 3 is wound around the winding roller 23. The ratchet wheel 24 is coaxially arranged on the winding shaft 22, and the ratchet wheel 24 is connected with the winding shaft 22 through a key. The base of the pawl 25 is fixed to the spool 21 by a bolt, and the ratchet 24 engages with the pawl 25. Guard rings 26 are welded at two ends of the winding roller 23 respectively, and the number of the ground wires 3 which slip off from the winding roller 23 in the using process can be reduced through the guard rings 26, so that the normal use of the ground wires 3 is influenced. A winding handle 27 is integrally connected to one end of the winding shaft 22 extending out of the winding seat 21.

Referring to fig. 3, in order to facilitate detachable connection of the ground wire 3 to the ground screw 4, the connection device 6 comprises a connection tab 61 and a connection member 62, the connection member 62 being configured as a connection nut. The top of the ground screw 4 is integrally connected with a threaded section 42, the diameter of the threaded section 42 is smaller than that of the ground screw 4, one end of the ground wire 3 close to the ground screw 4 is provided with a connection lug 61, the connection lug 61 is welded with the ground wire 3 together, the connection lug 61 is sleeved on the threaded section 42, then a connection nut is screwed on the threaded section 42, and the installation of the connection lug 61 on the ground screw 4 is realized.

The implementation principle of the photovoltaic square matrix lightning protection grounding device in the embodiment of the application is as follows: when the photovoltaic array grounding wire connecting device is used, the base 1 is moved to a specified position, and then the grounding wire of the photovoltaic array is connected with the grounding wire 3. The connecting lug 61 is sleeved on the threaded section 42, then the connecting piece 62 is adjusted, and the connecting lug 61 is fixed on the threaded section 42, so that the connection between the grounding wire 3 and the grounding screw rod 4 is realized. The driving motor 511 is adjusted, a driving shaft of the driving motor 511 drives the driving gear 513 to rotate, the driving gear 513 drives the driving chain 512 meshed with the driving gear to rotate, the driving chain 512 drives the driven gear 514 to rotate, and the driven gear 514 drives the lifting sleeve 54 to rotate. Under the action of the guide sliding rod 53, the lifting sleeve 54 drives the grounding screw rod 4 to move along the height direction of the base 1, so that the bottom of the grounding screw rod 4 can be driven into the ground, and the grounding of the photovoltaic square matrix ground wire is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a photovoltaic square matrix lightning grounding device which characterized in that: including base (1), kinking device (2), earth connection (3), ground screw (4), elevating gear (5) and connecting device (6), elevating gear (5) set up on base (1), elevating gear (5) are used for with ground screw (4) insert the below ground, connecting device (6) set up the top of ground screw (4), the one end of earth connection (3) pass through connecting device (6) with ground screw (4) are connected, and the other end is used for being connected with the connecting wire of photovoltaic square matrix, and the earth connection (3) twine on kinking device (2), elevating gear (5) include actuating mechanism (51), support ring (52), lead slide bar (53) and lifting sleeve (54), support ring (52) coaxial setting is in on ground screw (4), lifting sleeve (54) cover is established on ground screw (4), lifting sleeve (54) run through base (1) sets up, lifting sleeve (54) are followed the direction of height setting of base (1), it sets up to lead slide bar (53) on base (1), the top of leading slide bar (53) is run through support ring (52) set up, just lead slide bar (53) and support ring (52) and slide and be connected, actuating mechanism (51) are used for the drive lifting sleeve (54) rotate.

2. The lightning protection grounding device for photovoltaic matrix as claimed in claim 1, wherein: drive mechanism (51) includes driving motor (511), drive chain (512), driving gear (513) and driven gear (514), driving gear (513) coaxial setting is in on driving motor (511)'s the drive shaft, driven gear (514) coaxial setting is in on lifting sleeve (54), drive chain (512) are around establishing on driving gear (513) and driven gear (514), drive chain (512) and driving gear (513) and driven gear (514) all mesh the setting, driving motor (511) are used for the drive driving gear (513) rotate.

3. The lightning protection grounding device for photovoltaic matrix as claimed in claim 1, wherein: the grounding screw rod (4) is provided with a limiting ring (41) capable of limiting the grounding screw rod (4).

4. The lightning protection grounding device for photovoltaic matrix as claimed in claim 2, wherein: the base (1) is provided with a protective cover (11) capable of protecting the driving chain (512).

5. The lightning protection grounding device for photovoltaic matrix as claimed in claim 1, wherein: kinking device (2) is including wire winding seat (21), spool (22), winding roller (23), ratchet (24) and pawl (25), wire winding seat (21) set up on base (1), winding roller (23) coaxial setting is in on spool (22), the both ends of spool (22) with spool seat (21) rotate to be connected, earth connection (3) winding is on winding roller (23), ratchet (24) coaxial setting is in on spool (22), pawl (25) set up on wire winding seat (21), just ratchet (24) mesh with pawl (25) mutually.

6. The lightning protection grounding device for photovoltaic matrix as claimed in claim 5, wherein: and two ends of the winding roller (23) are respectively provided with a protective ring (26) used for protecting the grounding wire (3).

7. The lightning protection grounding device for photovoltaic matrix as claimed in claim 5, wherein: one end of the winding shaft (22) extending out of the winding seat (21) is connected with a winding handle (27).

8. The lightning protection grounding device for photovoltaic matrix as claimed in claim 1, wherein: connecting device (6) are including connection auricle (61) and connecting piece (62), the top of earth screw (4) is provided with screw thread section (42), the diameter of screw thread section (42) is less than the diameter of earth screw (4), earth connection (3) are close to the one end of earth screw (4) is provided with connection auricle (61), connection auricle (61) cover is established on screw thread section (42), and connecting piece (62) are used for with connection auricle (61) are fixed on screw thread section (42).

9. The lightning protection grounding device for photovoltaic matrix as claimed in claim 1, wherein: the base (1) is provided with at least two ground nails (12) used for fixing the base (1) on the ground.