CN206498372U - The header box of the multichannel power networking detection used based on photovoltaic plant - Google Patents

Abstract

The utility model discloses a kind of header box of the multichannel power networking detection used based on photovoltaic plant, including casing, the upside at the cabinets cavity back side is provided with positive bus, the outer sheath of the positive bus is provided with the first protective cover, the downside at the cabinets cavity back side is provided with negative bus-bar, the outer sheath of the negative bus-bar is provided with the second protective cover, bottom on the outside of first protective cover and the second protective cover is equipped with connection ring, the surface of the connection ring is equidistant to be provided with fastening bolt, the positive bus includes the first isostere with negative bus-bar, the bottom of first isostere is equidistant to offer the first arc notch, the bottom of first isostere is provided with the second isostere, the top of second isostere is equidistant to offer the second arc notch.The utility model possesses the advantage for being easy to header box to carry out maintenance inspection, the problem of overlong time for solving maintenance consuming influences whether header box service efficiency and header box security.

Description

The header box of the multichannel power networking detection used based on photovoltaic plant

Technical field

The utility model is related to technical field of photovoltaic power generation, specially a kind of multichannel electric power used based on photovoltaic plant The header box of networking detection.

Background technology

In solar photovoltaic generation system, in order to reduce the connection meeting between solar-energy photo-voltaic cell array and inverter Using to header box, with reference to lightning-protection system design experiences for many years, a variety of number of opening header boxs are have developed, user can be by a fixed number Amount and the series connection of specification identical photovoltaic cell are got up, and constitute photovoltaic array one by one, then again that several photovoltaic arrays are arranged side by side Photovoltaic conflux lightning protection box is accessed, after confluxing in photovoltaic lightningproof header box, by controller, DC power distribution cabinet, photovoltaic DC-to-AC converter, AC power distribution cabinet/AC distribution panel, supports the use to constitute complete photovoltaic generating system, realize it is grid-connected with civil power, can in order to improve system By property and practicality, photovoltaic special DC lightning-protection module, DC fuse and breaker are configured with photovoltaic lightningproof header box Deng, facilitate user promptly and accurately grasp photovoltaic cell working condition, it is ensured that solar photovoltaic generation system play maximum work Effect.

The use of current header box has been commonplace, and header box is after working long hours, the member in header box Part and the element easily occurred in situation about corroding, header box occur after corrosion, and existing header box is not easy to in case Element is changed so that header box unusual consuming time when being overhauled, so as to have influence on the service efficiency of header box The problem of with header box security.

Utility model content

The purpose of this utility model is to provide a kind of remittance of the multichannel power networking detection used based on photovoltaic plant Case is flowed, possesses the advantage for being easy to header box to be overhauled, the overlong time for solving maintenance consuming influences whether that header box is used The problem of efficiency and header box security.

To achieve the above object, the utility model provides following technical scheme：It is a kind of to be led to based on what photovoltaic plant was used more Top and bottom on the left of the header box of road power networking detection, including casing, the casing is respectively connected with hinge, the hinge Left side be connected with chamber door, the upside at the cabinets cavity back side is provided with positive bus, the outer sheath of the positive bus Provided with the first protective cover, the downside at the cabinets cavity back side, which is provided with the outside of negative bus-bar, the negative bus-bar, to be arranged There is the bottom on the outside of the second protective cover, first protective cover and the second protective cover to be equipped with connection ring, the table of the connection ring Face is equidistant to be provided with fastening bolt, and the outside of first protective cover and the second protective cover is equidistant to offer entrance hole, described The bottom of positive bus and negative bus-bar is connected by fixed seat with casing, the positive bus and negative bus-bar Include the first isostere, the bottom of first isostere is equidistant to offer the first arc notch, the top of first isostere Equidistant to be connected with nut seat, the inside thread of the nut seat is connected with threaded rod, and the bottom of first isostere is provided with the Two isosteres, the top of second isostere is equidistant to offer the second arc notch, the bottom of second isostere and fixed seat Connection, the bottom of the threaded rod runs through the second isostere and extends to the inner side of fixed seat.

It is preferred that, screwed hole is offered at the top of first arc notch, the inner side of the screwed hole is provided with bolt, institute The bottom for stating bolt is connected with fixed block.

It is preferred that, damping spring is provided between first isostere and the second isostere, the damping spring is located at threaded rod Outside.

It is preferred that, first arc notch and the second arc notch are distributed in corresponding, first arc notch and the Two arc notch are respectively positioned between two threaded rods.

It is preferred that, the both sides of the box back surface are equidistant to be connected with contiguous block, and the surface of the contiguous block offers company Connect hole.

It is preferred that, upside and the downside of the box back surface are equipped with Fixing clamp-seat, the both sides on the Fixing clamp-seat surface Fixing groove is offered, the both sides of the fixing groove are equipped with screw.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the use that the utility model passes through the first protective cover and the second protective cover so that the first protective cover and the second protection Cover can play a part of protection to positive bus and negative bus-bar, conflux so as to reduce positive bus and negative pole Row is contacted with air, can be extended the cycle that header box is overhauled, be allowed header box to become more practical, by the first isostere and the Positive bus and negative bus-bar that two isosteres are constituted so that positive bus and negative bus-bar can be by lines in wiring It is fixed in the first isostere and the second isostere between the first arc notch and the second arc notch, so as to allow bus-bar in maintenance Only first row body to be separated can just be overhauled with the second isostere to bus-bar, improved the overhaul efficiency of bus-bar, passed through Nut seat and threaded rod are used cooperatively so that when needing the first isostere to be separated with the second isostere, as long as rotating nut, Just the first isostere can be allowed to be separated with the second isostere, consequently facilitating bus-bar is overhauled.

2nd, the use that the utility model passes through connection ring on the first protective cover and the second protective cover so that rotate in connection ring Fastening bolt the first protective cover and the second protective cover can be allowed to depart from positive bus and negative bus-bar, so that first be protected Shield is easy to overhaul bus-bar after removing with the second protective cover, allows the maintenance of bus-bar to become more to facilitate, passes through Contiguous block and Fixing clamp-seat are used cooperatively so that header box can be consolidated by contiguous block and Fixing clamp-seat when mounted It is fixed, while so that header box is also very convenient when removing, so as to improve the efficiency of header box maintenance.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the structure schematic diagram of the utility model header box；

Fig. 3 is the side view of the protective cover of the utility model first or the second protective cover；

Fig. 4 is the side view of the utility model positive bus or negative bus-bar.

In figure：1 casing, 2-in-1 leaf, 3 chamber doors, 4 positive bus, 401 first isosteres, 402 first arc notch, 403 spiral shells Female seat, 404 threaded rods, 405 second isosteres, 406 second arc notch, 407 screwed holes, 408 bolts, 409 fixed blocks, 410 subtract Shake spring, 5 first protective covers, 6 negative bus-bars, 7 second protective covers, 8 connection rings, 9 fastening bolts, 10 entrance holes, 11 fixations Seat, 12 contiguous blocks, 13 connecting holes, 14 Fixing clamp-seats, 15 fixing grooves, 16 screws.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of multichannel electricity used based on photovoltaic plant The header box of power networking detection, including casing 1, the top and bottom in the left side of casing 1 are respectively connected with hinge 2, and the left side of hinge 2 connects Chamber door 3 is connected to, the both sides at the back side of casing 1 are equidistant to be connected with contiguous block 12, and the surface of contiguous block 12 offers connecting hole 13, case The upside at the back side of body 1 is equipped with Fixing clamp-seat 14 with downside, passes through using cooperatively for contiguous block 12 and Fixing clamp-seat 14 so that remittance Stream case can be fixed by contiguous block 12 and Fixing clamp-seat 14 when mounted, while so that header box also right and wrong when removing Normal convenience, so as to improve the efficiency of header box maintenance, the both sides on the surface of Fixing clamp-seat 14 offer fixing groove 15, Gu The both sides for determining groove 15 are equipped with screw 16, pass through using cooperatively for fixing groove 15 and screw 16 so that screw 16 can be through solid Determine groove 15 to be attached with casing 1, so as to allow Fixing clamp-seat 14 to be fixed on the back side of casing 1, the inner chamber back side of casing 1 it is upper Side is provided with positive bus 4, and the outer sheath of positive bus 4 is provided with the first protective cover 5, and the downside at the inner chamber back side of casing 1 is provided with Negative bus-bar 6, the outer sheath of negative bus-bar 6 is provided with the second protective cover 7, passes through the first protective cover 5 and the second protective cover 7 Use so that the first protective cover 5 and the second protective cover 7 can play the work of protection to positive bus 4 and negative bus-bar 6 With, contacted so as to reduce positive bus 4 and negative bus-bar 6 with air, can extend header box maintenance week Phase, header box is allowed to become more practical, the bottom in the first protective cover 5 and the outside of the second protective cover 7 is equipped with connection ring 8, connects The surface of ring 8 is equidistant to be provided with fastening bolt 9, passes through the use of connection ring 8 on the first protective cover 5 and the second protective cover 7 so that Rotating the fastening bolt 9 in connection ring 8 can allow the first protective cover 5 and the second protective cover 7 to depart from positive bus 4 and negative pole remittance Stream row 6, is easy to overhaul bus-bar afterwards so that the first protective cover 5 and the second protective cover 7 be removed, and allows the inspection of bus-bar Repairing becomes more to facilitate, and the outside of the first protective cover 5 and the second protective cover 7 is equidistant to offer entrance hole 10, positive bus 4 It is connected with the bottom of negative bus-bar 6 by fixed seat 11 with casing 1, positive bus 4 and negative bus-bar 6 include the One isostere 401, is provided with damping spring 410 between the first isostere 401 and the second isostere 405, damping spring 410 is located at threaded rod 404 outside, passes through the use of damping spring 410 so that when the first isostere 401 and the second isostere 405 are fixed, damping bullet Spring 410 can play a part of damping, so that allow the first isostere 401 to be connected more stable with the second isostere 405, the first isostere 401 bottom is equidistant to offer the first arc notch 402, and the top of the first arc notch 402 offers screwed hole 407, spiral shell The inner side of pit 407 is provided with bolt 408, and the bottom of bolt 408 is connected with fixed block 409, and the top of the first isostere 401 is equidistant Nut seat 403 is connected with, the inside thread of nut seat 403 is connected with threaded rod 404, passes through nut seat 403 and threaded rod 404 Use cooperatively so that when the first isostere 401 of needs is separated with the second isostere 405, as long as rotating nut seat 403, it becomes possible to The first isostere 401 is allowed to be separated with the second isostere 405, consequently facilitating bus-bar is overhauled, the bottom of the first isostere 401 is set There is the second isostere 405, the positive bus 4 and negative bus-bar 6 being made up of the first isostere 401 and the second isostere 405 so that just Pole bus-bar 4 and negative bus-bar 6 can secure the wire in the first arc in the first isostere 401 and the second isostere 405 in wiring Between the arc notch 406 of v notch v 402 and second, so as to allow bus-bar only first row body 401 and second to be separated in maintenance Isostere 405 can just be overhauled to bus-bar, improve the overhaul efficiency of bus-bar, and the top of the second isostere 405 is equidistant The second arc notch 406 is offered, the first arc notch 402 is with the second arc notch 406 in corresponding distribution, the first arc notch 402 and second arc notch 406 be respectively positioned between two threaded rods 404, the bottom of the second isostere 405 is connected with fixed seat 11, The bottom of threaded rod 404 runs through the second isostere 405 and extends to the inner side of fixed seat 11.

In use, when header box needs to be overhauled, opening chamber door 3, the first protective cover 5 and the second protective cover 7 are rotated On fastening bolt 9, the first protective cover 5 is taken out with the second protective cover 7, the bolt 408 in the first isostere 401 is rotated, allows spiral shell The fixed block 409 of the bottom of bolt 408 mitigates the extruding of butted line, and wiring can be removed from bus-bar, rotates the first isostere 401 On nut seat 403, the first isostere 401 is analyzed with the second isostere 405, observation bus-bar on whether occur in that corrosion Situation.

In summary, the header box for the multichannel power networking detection that should be used based on photovoltaic plant, is confluxed by positive pole Row 4 and the use of negative bus-bar, the overlong time for solving maintenance consuming influence whether header box service efficiency and header box The problem of security.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, by sentence " including one ... the key element limited, it is not excluded that Also there is other identical element in process, method, article or equipment including the key element ".

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of header box of the multichannel power networking detection used based on photovoltaic plant, including casing (1), its feature are existed In：Top and bottom on the left of the casing (1) is respectively connected with the left of hinge (2), the hinge (2) and is connected with chamber door (3), The upside at casing (1) the inner chamber back side is provided with positive bus (4), and the outer sheath of the positive bus (4) is provided with first Protective cover (5), the downside at casing (1) the inner chamber back side is provided with negative bus-bar (6), the outside of the negative bus-bar (6) The second protective cover (7) is arranged with, first protective cover (5) is equipped with connection ring with the bottom on the outside of the second protective cover (7) (8), the surface of the connection ring (8) is equidistant is provided with fastening bolt (9), first protective cover (5) and the second protective cover (7) Outside it is equidistant offer entrance hole (10), the positive bus (4) and the bottom of negative bus-bar (6) pass through fixation Seat (11) is connected with casing (1), and the positive bus (4) includes the first isostere (401) with negative bus-bar (6), described The bottom of first isostere (401) is equidistant to offer the first arc notch (402), and the top of first isostere (401) is equidistant From nut seat (403) is connected with, the inside thread of the nut seat (403) is connected with threaded rod (404), first isostere (401) bottom is provided with the second isostere (405), and the top of second isostere (405) is equidistant to offer the second arc notch (406), the bottom of second isostere (405) is connected with fixed seat (11), and second row is run through in the bottom of the threaded rod (404) Body (405) and the inner side for extending to fixed seat (11).

2. the header box of the multichannel power networking detection according to claim 1 used based on photovoltaic plant, its feature It is：Screwed hole (407) is offered at the top of first arc notch (402), the inner side of the screwed hole (407) is provided with spiral shell Bolt (408), the bottom of the bolt (408) is connected with fixed block (409).

3. the header box of the multichannel power networking detection according to claim 1 used based on photovoltaic plant, its feature It is：Damping spring (410), the damping spring (410) are provided between first isostere (401) and the second isostere (405) Outside positioned at threaded rod (404).

4. the header box of the multichannel power networking detection according to claim 1 used based on photovoltaic plant, its feature It is：First arc notch (402) is with the second arc notch (406) in corresponding distribution, first arc notch (402) And second arc notch (406) be respectively positioned between two threaded rods (404).

5. the header box of the multichannel power networking detection according to claim 1 used based on photovoltaic plant, its feature It is：The both sides at casing (1) back side are equidistant to be connected with contiguous block (12), and the surface of the contiguous block (12) offers company Connect hole (13).

6. the header box of the multichannel power networking detection according to claim 1 used based on photovoltaic plant, its feature It is：The upside at casing (1) back side is equipped with Fixing clamp-seat (14), the both sides on Fixing clamp-seat (14) surface with downside Fixing groove (15) is offered, the both sides of the fixing groove (15) are equipped with screw (16).