CN220492421U

CN220492421U - Adjustable block terminal of electric power engineering photovoltaic grid-connected

Info

Publication number: CN220492421U
Application number: CN202320616779.4U
Authority: CN
Inventors: 朱登有; 于雪辉
Original assignee: Jiangsu Yinchuang Construction Co ltd
Current assignee: Jiangsu Yinchuang Construction Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2024-02-13
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technology of power equipment, in particular to a photovoltaic grid-connected adjustable distribution box for power engineering, which comprises a box body and a box door; the box body is internally provided with a plurality of mounting plates which are distributed up and down, the mounting plates are also provided with clamping grooves, the mounting plates and the box body can slide up and down through sliding parts, and the sliding parts comprise T-shaped sliding blocks, sliding grooves and fastening bolts; the sliding block is matched with the sliding groove, so that the mounting plate is adjusted to a preset position in height; the rear side wall of the box body is also provided with a plurality of uniformly distributed cable holes, the mounting plate is also provided with a tightening member, the tightening member comprises a mounting seat, a rotating shaft, a reel and a spiral spring, the mounting seat is fixedly mounted on the mounting plate, the rear side wall is provided with a through hole, and the front side wall is provided with a fastening hole; the rotating shaft is rotatably arranged in the cavity, the reel is sleeved and arranged on the rotating shaft, and the spiral spring is arranged on the rotating shaft. The utility model has reasonable structural design, is convenient for adjusting the height of the mounting plate, is suitable for quick installation and heat dissipation of the distributor components, and is convenient for Gao Xiaowei protection operation by regularly arranging cables.

Description

Adjustable block terminal of electric power engineering photovoltaic grid-connected

Technical Field

The utility model relates to the technical field of power equipment and distribution boxes, in particular to a photovoltaic grid-connected adjustable distribution box for power engineering.

Background

The photovoltaic power generation system can be divided into an off-grid photovoltaic power generation system and a grid-connected photovoltaic power generation system, and the investment of the grid-connected photovoltaic power generation system is reduced by 25% compared with that of the off-grid photovoltaic power generation system. The photovoltaic power generation system is connected to the large power grid in a micro-grid mode to run and is mutually supported with the large power grid, so that the photovoltaic power generation system is an important technology for improving the photovoltaic power generation scale, the grid-connected running of the photovoltaic power generation system is a main direction of the technology development in the future, and the solar energy application range and flexibility can be expanded through grid connection. Because of the strong support of the state to the photovoltaic grid connection, the photovoltaic power generation grid connection system is more and more, and the distribution box is indispensable to the photovoltaic power generation grid connection. However, the photovoltaic grid-connected distribution box in the prior art has poor use effect.

The patent CN 218182773U, a distributed photovoltaic power generation grid-connected power distribution cabinet, describes a distributed photovoltaic power generation grid-connected power distribution cabinet, comprising: a cabinet body; a setting plate slidably connected to the inside of the cabinet; through setting up the setting plate, when using, can install distribution subassembly on the setting plate, the cable of subassembly is connected with the subassembly through the inlet wire of the cabinet body, after the cable is connected, the staff can promote the position of connecting rod right for the support is in the top of cable after, the position of moving the connecting rod downwards again, make the support contact cable on the connecting rod drive loose cable and move downwards, after the connecting rod moved to the inside bottom of support body, slide the position of connecting rod to the direction of dead lever again, make connecting rod and dead lever pass through connection structure and link together, loose cable can be in the state of stretching straight by the pulling and the restriction of support this moment, in order to reach the effect of accomodating the cable in setting plate bottom. However, the above-mentioned prior art power distribution cabinets still have the following drawbacks:

first: the photovoltaic grid-connected power distribution cabinet solves the problems of unreasonable and loose cable layout to a certain extent, but has a complicated structure, and is very troublesome to operate when a worker connects and installs the photovoltaic grid-connected cable with electronic components in the power distribution cabinet for the first time, and is time-consuming and labor-consuming and low in cost performance; and is unfavorable for subsequent efficient maintenance work on the distribution equipment.

Second,: above-mentioned prior art's photovoltaic switch board that is incorporated into power networks, to the later stage safe handling of photovoltaic grid-connected, need use multiple type electrical equipment, such as anti-islanding protection device, low-voltage short-circuit ware, SF6 air switch, under-voltage protection ware, circuit breaker etc. but the electrical equipment structure size of different grade is different, the required installation space size is different, but the interval between the inside locating plate of traditional photovoltaic switch board that is incorporated into power networks is fixed unchangeable, very be unfavorable for electrical equipment's installation, heat dissipation, in case electrical components heat dissipation gathers too much, the unsmooth power consumption potential safety hazard of airing exhaust in the switch board.

Disclosure of Invention

In order to solve the defects and the shortcomings of the photovoltaic grid-connected power distribution cabinet in the prior art, the utility model provides the power engineering photovoltaic grid-connected adjustable power distribution cabinet which is reasonable in structural design, convenient for adjusting the height of a mounting plate, suitable for quick installation and heat dissipation of power distribution device components, convenient for Gao Xiaowei to guarantee operation by regularly arranging cables.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected, this block terminal includes box and chamber door, and both are articulated, one side is fixed through the connection of electronic trick lock; the box body is vertically distributed, a cavity structure is arranged in the box body, a plurality of mounting plates which are vertically distributed are arranged, the mounting plates are horizontally distributed, clamping grooves for mounting electronic components are also formed in the box body, the mounting plates and the box body can slide up and down through sliding pieces, the sliding pieces comprise T-shaped sliding blocks, sliding grooves and fastening bolts, the number of the sliding blocks is four, and the sliding blocks are symmetrically distributed in the front-back direction and the left-right direction and are fixedly connected with the mounting plates; the sliding grooves are arranged on the side wall of the box body and are distributed in an extending mode up and down, the sliding blocks are installed in a matched mode with the sliding grooves, through holes are formed in one side of the sliding blocks located on the front side of the box body, and the fastening bolts penetrate through the through holes and are connected with the box body, so that the mounting plate is adjusted in height to a preset position; the rear side wall of the box body is also provided with a plurality of uniformly distributed cable holes, the mounting plate is also provided with a tightening member, the tightening member comprises a mounting seat, a rotating shaft, a reel and a spiral spring, the mounting seat is fixedly mounted on the mounting plate and internally provided with a cavity, the rear side wall is provided with a through hole, and the front side wall is provided with a fastening hole; the rotating shaft is rotatably arranged in the cavity, the reel is sleeved and installed on the rotating shaft, the spiral spring is arranged on the rotating shaft, one end of the spiral spring is connected with the rotating shaft, and the other end of the spiral spring is connected with the installation seat.

Preferably, the bottom of the box body is connected with evenly distributed supporting legs, foot gaskets are further installed at the bottoms of the supporting legs, and the foot gaskets are fixedly connected through external embedded foundation bolts, so that the box body is convenient to install and position, and stability is enhanced.

Further preferably, the mounting plate and the sliding piece are arranged in three groups which are mounted in a matching way.

Preferably, a clamp for fastening the cable is arranged at the cable hole and the fastening hole.

Further preferably, the clamping grooves correspond to the positions of the tightening members in a quantity matching manner, so that one-to-one arrangement or cable layout corresponding to connection of the same type of electronic components is guaranteed in one tightening member, automatic regular processing of the cables is achieved, and the problems that cables in a traditional distribution box are placed in disorder and are unreasonable in layout are solved.

Further preferably, the mounting plate is further provided with a plurality of evenly distributed heat dissipation holes.

Preferably, the top end of the mounting seat is provided with an openable cover plate, and one side of the cover plate is fixedly connected with the mounting seat through a pin shaft; the purpose of setting like this is, through the operation that opens and shuts, and the staff of being convenient for twines unnecessary length's cable on the reel in advance, is favorable to follow-up maintenance operation.

Compared with the prior art, the utility model has the advantages that: the distribution box has reasonable structural design, the box body is formed by injection molding of PC+ABS alloy, and the inner layer and the outer layer are coated with insulating layers, so that the service life and the safety degree of the distribution box are improved; the size of the area space between adjacent mounting plates can be freely adjusted by arranging the T-shaped sliding blocks, the sliding grooves, the fastening bolts and the mounting plates in a matching way, the structure is simple, the operation is convenient, the time and the labor are saved, the purpose of conveniently adjusting the height of the mounting plates to adapt to the rapid mounting and heat dissipation of the power distributor component is realized, meanwhile, during maintenance operation, the height of the upper and lower mounting plates can be adjusted, so that the electrical equipment to be maintained is in a large enough space, and the power operation and maintenance personnel can efficiently and safely perform the maintenance operation; further, through setting up the cooperation of mount pad, pivot, reel and spiral spring, rationally planned the trend overall arrangement of cable, regularly arrange the cable to through twining unnecessary cable on the reel, accomplish self-reset through spiral spring, solved the cable in the traditional block terminal and put in disorder, the unreasonable phenomenon of overall arrangement, further improved the security that the photovoltaic grid-connected block terminal used and the later maintenance's high efficiency, the practicality is stronger.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the inside of the overall structure of the present utility model;

FIG. 3 is a block diagram of a mounting plate of the present utility model;

fig. 4 is a perspective view of the winding member of the present utility model.

In the figure: 1. a case; 2. a door; 3. an electronic coded lock; 4. a mounting plate; 5. a clamping groove; 6. a slider; 61. a slide block; 62. a chute; 63. fastening a bolt; 64. a through hole; 7. a cable hole; 8. a tightening member; 81. a mounting base; 82. a rotating shaft; 83. a reel; 84. a spiral spring; 85. a cavity; 86. a through hole; 87. a fastening hole; 9. support legs; 10. a foot pad; 11. a clamp; 12. a heat radiation hole; 13. and a cover plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples: as shown in fig. 1-4:

the utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected, this block terminal includes box 1 and chamber door 2, and both are articulated, one side is connected fixedly through electronic trick lock 3. The box body is formed by injection molding of PC+ABS alloy, and the insulating layers are coated on the inner layer and the outer layer, so that the service life and the safety degree of the distribution box are improved. Wherein, fig. 2 is a front view of the box body after opening the box door, the box body 1 distributes from top to bottom, is in a cavity 85 structure, and is equipped with a plurality of mounting panels 4 that distribute from top to bottom, and mounting panel 4 itself horizontal distribution, and still be equipped with the draw-in groove 5 that is used for installing electronic components, draw-in groove 5 adapt to distributor equipment appearance, so set up, be convenient for install and dismantle the maintenance.

As shown in fig. 2: in this embodiment, the mounting plate 4 and the box 1 are kept slidable up and down by the sliding member 6, so as to adjust the height of the mounting plate, and correspondingly, the size of the area space for mounting the electrical equipment is adjusted. Referring specifically to fig. 3: the slider 6 comprises a T-shaped slide 61, a slide groove 62 and a fastening bolt 63. The number of the sliding blocks 61 is four, and the sliding blocks 61 are symmetrically distributed in the front-back direction and the left-right direction, fixedly connected with the mounting plate 4 and distributed at four corners of the mounting plate. The sliding groove 62 is arranged on the side wall of the box body 1, and is distributed in an extending mode up and down, and the sliding block 61 and the sliding groove 62 are installed in a matched mode, so that sliding guidance and stability are guaranteed.

As shown in fig. 3: in this embodiment, a through hole 64 is further provided on the side of the slider 61 located on the front side of the case 1, and the fastening bolt 63 is connected to the case 1 through the through hole 64, so that the mounting plate 4 is adjusted in height to a predetermined position. As shown in fig. 1: the mounting plate 4 and the sliding piece 6 are three groups which are matched and mounted. The side wall still is equipped with a plurality of evenly distributed's cable hole 7 behind the box 1, and the cable that photovoltaic power generation was incorporated into the power networks enters into the block terminal through the cable hole, and cable hole department installs the clamp for fasten the cable, prevent that the cable from becoming flexible or rocking.

Through setting up T type slider, spout and fastening bolt and the cooperation of mounting panel, can freely adjust the regional space size between the adjacent mounting panel, through fastening bolt's top tight and lax, drive the mounting panel and shift up, after the gliding and accomplish the fixed position. Simple structure, the simple operation has realized being convenient for adjust mounting panel high adaptation distributor part and has installed fast and radiating purpose, and when the operation is protected to the maintenance simultaneously, the height of upper and lower floor's mounting panel is still adjusted to the accessible for wait to protect electrical equipment in enough big space, the electric power fortune dimension personnel of being convenient for is high-efficient, carry out the operation is protected to the safety.

In this embodiment, as shown in fig. 3: a tightening member 8 is also provided on the mounting plate 4. Referring specifically to the structure shown in fig. 4: the take-up member 8 includes a mounting block 81, a spindle 82, a spool 83 and a wrap spring 84. The mounting seat 81 is fixedly mounted on the mounting plate 4, a cavity 85 is formed in the mounting seat, a through hole 86 is formed in the rear side wall, and a fastening hole 87 is formed in the front side wall. The rotating shaft 82 is rotatably disposed in the cavity 85, the reel 83 is sleeved and mounted on the rotating shaft 82, the spiral spring 84 is disposed on the rotating shaft 82, one end of the spiral spring is connected with the rotating shaft 82, and the other end of the spiral spring is connected with the mounting seat 81. The top end of the mounting seat 81 is provided with an openable cover plate 13, and one side of the cover plate 13 is fixedly connected with the mounting seat 81 through a pin shaft; the purpose of this setting is, through the operation that opens and shuts, and the staff of being convenient for twines unnecessary length's cable on reel 83 in advance, is favorable to follow-up maintenance operation.

As shown in fig. 3: in the present embodiment, a clip 11 for fastening the cable is provided at both the cable hole 7 and the fastening hole 87. The clamping grooves 5 correspond to the tightening members 8 in position and are matched in number, so that one-to-one arrangement or cable layout corresponding to connection of the same type of electronic components is guaranteed in one tightening member 8, automatic regular processing of the cables is achieved, and the problems that cables in a traditional distribution box are placed in disorder and are unreasonable in layout are solved. The mounting plate 4 is also provided with a plurality of evenly distributed heat dissipation holes 12 for dissipating heat of the electrical equipment and keeping permeability. The bottom of the box body 1 is connected with evenly distributed supporting legs 9, foot gaskets 101 are further installed at the bottoms of the supporting legs 9, the foot gaskets 101 are fixedly connected through external embedded foundation bolts, the installation and the positioning are convenient, and the stability is enhanced.

Through setting up the cooperation of mount pad, pivot, reel and spiral spring, rationally planned the trend overall arrangement of cable, regularly arrange the cable to through twining unnecessary cable on the reel, fastening hole and cable hole all set up the clamp, form the cable fixed, the cable between the two is mobilizable like this, when electrical equipment needs the maintenance operation, carries out altitude mixture control to the mounting panel, and the cable can stretch out or shrink. Under the initial condition, the spiral spring has rolling elasticity, so, when the cable stretches out, the spiral spring continues to increase rolling elasticity, and when the cable contracts, the spiral spring accomplishes self-reset, drives the cable and winds automatically, has solved the mess of cable put in the traditional block terminal, the unreasonable phenomenon of overall arrangement, has further improved the security that the photovoltaic grid-connected block terminal used and the high efficiency of later maintenance, and the practicality is stronger.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the utility model.

Claims

1. An adjustable block terminal of electric power engineering photovoltaic incorporated into power networks which characterized in that: the distribution box comprises a box body (1) and a box door (2), wherein one side of the box body is hinged, and the other side of the box body is fixedly connected through an electronic coded lock (3); the box body (1) is vertically distributed, a cavity (85) structure is arranged in the box body, a plurality of mounting plates (4) which are vertically distributed are arranged, the mounting plates (4) are horizontally distributed, clamping grooves (5) for mounting electronic components are also arranged, the mounting plates (4) and the box body (1) can slide up and down through sliding pieces (6), the sliding pieces (6) comprise T-shaped sliding blocks (61), sliding grooves (62) and fastening bolts (63), the sliding blocks (61) are four symmetrically distributed in the front-back direction and the left-right direction, and the sliding blocks (61) are fixedly connected with the mounting plates (4); the sliding chute (62) is arranged on the side wall of the box body (1) and is distributed in an extending manner up and down, the sliding block (61) is installed in a matched manner with the sliding chute (62), a through hole (64) is further formed in one side of the sliding block (61) positioned on the front side of the box body (1), and the fastening bolt (63) penetrates through the through hole (64) to be connected with the box body (1) so as to enable the mounting plate (4) to be adjusted in height to a preset position; the novel cable box is characterized in that a plurality of uniformly distributed cable holes (7) are further formed in the rear side wall of the box body (1), a tightening member (8) is further arranged on the mounting plate (4), the tightening member (8) comprises a mounting seat (81), a rotating shaft (82), a reel (83) and a spiral spring (84), the mounting seat (81) is fixedly mounted on the mounting plate (4), a cavity (85) is formed in the mounting seat, a through hole (86) is formed in the rear side wall, and a fastening hole (87) is formed in the front side wall; the rotating shaft (82) is rotatably arranged in the cavity (85), the reel (83) is sleeved and installed on the rotating shaft (82), the spiral spring (84) is arranged on the rotating shaft (82), one end of the spiral spring is connected with the rotating shaft (82), and the other end of the spiral spring is connected with the installation seat (81).

2. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: the bottom of the box body (1) is connected with evenly distributed supporting legs (9), foot gaskets (10) are further installed at the bottoms of the supporting legs (9), and the foot gaskets (10) are fixedly connected through external embedded foundation bolts.

3. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: the mounting plate (4) and the sliding piece (6) are three groups which are arranged in a matching way.

4. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: a clamp (11) for fastening the cable is arranged at the cable hole (7) and the fastening hole (87).

5. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: the clamping grooves (5) correspond to the tightening members (8) in position and are matched in number.

6. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: and a plurality of evenly distributed radiating holes (12) are also formed in the mounting plate (4).

7. The utility model provides an adjustable block terminal of electric power engineering photovoltaic grid-connected which characterized in that: the top end of the mounting seat (81) is provided with an openable cover plate (13), and one side of the cover plate (13) is connected and fastened with the mounting seat (81) through a pin shaft.