A kind of light steel type photovoltaic agricultural greenhouse
Technical field
The present invention relates to a kind of photovoltaic agricultural greenhouse, particularly to a kind of light steel type photovoltaic agricultural greenhouse, belong to photovoltaic agricultural technology field.
Background technology
Photovoltaic agricultural greenhouse has very big advantage due to it in photovoltaic generation intensive land use, so obtaining bigger development in recent years, current photovoltaic agricultural greenhouse much adopts steel construction, main employing I-steel is as column, crossbeam, purlin, during construction, above-mentioned support member is welded each other at the scene, this mode site operation amount is big, steel using amount is many, moreover water resistance is poor after current photovoltaic agricultural greenhouse assembly formation ceiling, when raining or clean, ceiling can leak, the sealing at the connecting bolt place that this leakage area is usually between the gap between assembly and support is bad, this makes the agricultural planting (cultivation) in canopy receive large effect, and affect life-span and the generating capacity of photovoltaic agricultural greenhouse itself, it is a problem of industry very headache that ceiling leaks, common practice is to adopt more fluid sealant and personnel to safeguard, this adds the cost that photovoltaic agricultural greenhouse is built undoubtedly, indirectly improve cost of electricity-generating.
Summary of the invention
It is an object of the invention to the drawbacks described above overcoming existing agricultural greenhouse to exist, it is provided that a kind of light steel type photovoltaic agricultural greenhouse.
For realizing the purpose of the present invention, have employed following technical scheme: a kind of light steel type photovoltaic agricultural greenhouse, including multiple columns in row-column arrangement, each column column is made up of the multiple columns being gradually increased to back height from sunny side, column is fixed in ground base, each column column is provided with girder steel, girder steel is fixing with all columns employing bolt in these row to be connected, girder steel is connected to horizontal C-type steel purlin, adopt bolt to fix between purlin with girder steel to be connected, purlin is connected to guiding gutter, described guiding gutter is section bar, vertical plane that guiding gutter section bar has both sides and the bottom surface linked together, the cross section of guiding gutter section bar is formed between both sides vertical edge and the base being connected U-shaped outline, two vertical planes within U-shaped are connected to two plane of structures, two plane of structures are provided with seal groove near U-shaped center-side along profile length direction, guiding gutter section bar longitudinally center line is symmetrical, it is provided with joint face between two plane of structures and U-shaped bottom surface within U-shaped, joint face is connected on two vertical planes, a square shape cavity is formed between joint face and the bottom surface of section bar,Guiding gutter is connected on purlin by Hermetical connecting structure, described Hermetical connecting structure includes connecting bolt and pad, described connecting bolt head and screw mandrel connecting portion have been wholely set circular flange, it is followed successively by plane to screw mandrel flange at bottom bottom surface from the outer rim of flange, concave towards the inclined-plane in flange, concave plane, described pad is circular, circular gasket includes superposed sheet metal and the plastic layer with sheet metal one, described sheet metal upper surface is followed successively by plane from outer rim to center, the inclined-plane of outwardly convex, convex flat face, described sheet metal upper surface coordinates with flange bottom, it is positioned at that the plane of flange outer rim is seamless with the plane of sheet metal upper surface outer rim to be coordinated, the inclined-plane concaved towards on flange in flange coordinates with on sheet metal, the inclined-plane of outwardly convex is seamless, concave plane on flange is seamless with the convex flat face on sheet metal to be coordinated, photovoltaic module connects on guiding gutter by briquetting and bolt are fixing, described photovoltaic module includes frame, described frame is by left frame, left frame, upper side frame, lower frame forms, each frame is aluminium section bar, described left frame has the notch of an accommodation lamination part of solar cell, degree of lip-rounding rib it has been wholely set below notch, left frame, left frame, the aluminium section bar of upper side frame is identical, described lower frame has the notch of an accommodation lamination part of solar cell, degree of lip-rounding reinforcing frame it has been wholely set below notch, the section bar of lower frame has been wholely set a flanging relative to notch direction, the root lower surface of flanging exceeds on notch along upper surface, the width of flanging is be more than or equal to the width at notch position, when mounting assembly, breach is offered on two limits of guiding gutter, seal groove sets sealing strip, the upper and lower side frame of photovoltaic module two pieces neighbouring be arranged in breach, the both sides frame of photovoltaic module is positioned at the internal both sides of U-shaped of guiding gutter, the bottom of both sides frame is pressed on sealing strip, and the flanging on lower frame on superposed solar module covers on the upper side frame of solar module of adjacent lower, further, the upper end of guiding gutter section bar vertical plane being provided with outside flat edge, the distance between the bottom surface of guiding gutter joint face and guiding gutter section bar is 0.2-0.25 times of profile height, further, the height concaving towards the inclined-plane in flange in described Hermetical connecting structure is 0.2-0.5mm, and the described inclined-plane concaved towards in flange tilts to flange center, concaves towards the inclined-plane in flange and the angle between flange outer rim plane is 120 degree to 135 degree, further, the flanging tail down on described lower frame tilts, further, being provided with inverter and header box on described photovoltaic agricultural greenhouse gable, the distance between described header box and inverter is less than or equal to 3 meters.
The positive Advantageous Effects of the present invention is in that: one is the connection between this photovoltaic agricultural greenhouse support is all that bolt connects, and site operation amount is little, it is possible to the effective shortening construction time; Two is adopt to adopt, between guiding gutter in the application, Hermetical connecting structure, photovoltaic bracket, the special design cooperated, water-tight after forming ceiling, thoroughly overcomes current photovoltaic agricultural greenhouse ceiling and leaks the various problems caused; Three is the inversion arrangement that confluxes adopting the application, it is possible to saves the expense of spark gap in header box, effectively reduces construction cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of side of the present invention.
Fig. 2 is the schematic diagram that in Fig. 1, ceiling part is amplified.
Fig. 3 is the schematic diagram of guiding gutter.
The schematic diagram of connecting bolt in Fig. 4 Hermetical connecting structure.
Fig. 5 is the schematic diagram of Hermetical connecting structure Intermediate gasket.
Fig. 6 is the cross sectional view of left frame.
Fig. 7 is the schematic cross-section of lower frame.
Fig. 8 is the schematic diagram of header box inverter arrangements.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention carried out further details of explanation, being respectively labeled as in accompanying drawing 1: 1: column; 2: girder steel; 3: purlin; 400: guiding gutter; 600: left frame; A kind of light steel type photovoltaic agricultural greenhouse, including multiple columns in row-column arrangement, each column column is made up of the multiple columns being gradually increased to back height from sunny side, in Fig. 1,1 show string column, and column is fixed in ground base, is provided with girder steel 2 on each column column, girder steel 2 is fixing with all columns employing bolt in these row to be connected, girder steel is connected to horizontal C-type steel purlin 3, adopts bolt to fix between purlin 3 with girder steel 2 and be connected, purlin is connected to guiding gutter 400;
Fig. 3 show the schematic diagram of guiding gutter, is respectively labeled as in Fig. 3: 401: bottom surface, 402: vertical plane, 403: plane of structure, 404: seal groove, 405: flat edge, 406: joint face. guiding gutter is section bar, section bar has both sides vertical plane and the bottom surface linked together, 402 vertical planes showing side, 401 show bottom surface, the cross section of section bar is formed between both sides vertical edge and the base being connected U-shaped, two vertical planes within U-shaped are connected to two plane of structures, 403 plane of structures showing side, two plane of structures are provided with seal groove near U-shaped center-side along profile length direction, the seal groove that 404 show on plane of structure is arranged, described section bar longitudinally center line is symmetrical, it is provided with joint face 406 between two plane of structures and U-shaped bottom surface within U-shaped, joint face 406 is connected on two vertical planes, a square shape cavity is formed between joint face and the bottom surface of section bar, distance between joint face and the bottom surface of section bar is 0.2-0.25 times of profile height, the upper end of section bar vertical plane is provided with outside flat edge, 405 show flat edge, guiding gutter is fixedly connected on purlin by the connecting bolt thread tapping in following Hermetical connecting structure when mounted, the vertical plane of both sides is offered notch put in by photovoltaic module, in Fig. 2, the opening below flanging is the notch offered on vertical edge, on the sealing strip being positioned on plane of structure bottom the frame of photovoltaic module seal groove, the side of frame contacts with vertical plane,
Fig. 4 to Fig. 6 is the schematic diagram of the guiding gutter installation Hermetical connecting structure of the application, is respectively labeled as: 510: bolt head in figure, 511: flange, 512: screw mandrel, 5110: flange outer rim plane, 5111: concave towards the inclined-plane in flange, 5112: concave plane, 520: sheet metal, 521: plastic layer, 5201: sheet metal outer rim plane, 5202: the inclined-plane of outwardly convex, 5203: convex flat face. this is tightly connected and includes connecting bolt and pad, described connecting bolt head 510 has been wholely set circular flange 511 with screw mandrel 512 connecting portion, the inclined-plane 5111, the concave plane 5112,5110 that be followed successively by plane from the outer rim of flange 511 to screw mandrel flange at bottom bottom surface, concave towards in flange show flange outer rim plane, described pad is circular, circular gasket include superposed sheet metal and 520 and sheet metal one plastic layer 521, described sheet metal upper surface is followed successively by plane from outer rim to center, the inclined-plane 5202 of outwardly convex, convex flat face 5203, the plane of sheet metal outer rim shown in 5201, described sheet metal upper surface coordinates with flange bottom, it is positioned at that the plane of flange outer rim is seamless with the plane of sheet metal upper surface outer rim to be coordinated, namely 5110 seamless with 5201 coordinate, the inclined-plane 5111 concaved towards on flange in flange coordinates with on sheet metal, the inclined-plane 5202 of outwardly convex is seamless, concave plane 5112 on flange is seamless with the convex flat face 5203 on sheet metal to be coordinated, the height on the described inclined-plane 5111 concaved towards in flange is 0.2-0.5mm, bevel altitude refers to the height on screw mandrel length direction, the inclined-plane concaved towards in flange tilts to flange center, concave towards the inclined-plane in flange and the angle between flange outer rim plane 511 is 120 degree to 135 degree, in figure, angle B show this angle, described flange thickness is 1.5-2mm,
Fig. 6, Fig. 7 are the schematic diagram of frame, are wherein respectively labeled as 601: notch, 6011: along upper surface on notch, 602: degree of lip-rounding rib, 603: flanging, 6031: the root lower surface of flanging, 6032: flanging afterbody, width is the horizontal direction in figure. photovoltaic component frame is by left frame, left frame, upper side frame, lower frame forms, described frame is aluminium section bar, described left frame has the notch 601 of an accommodation lamination part of solar cell, degree of lip-rounding rib 602 it has been wholely set below notch, left frame, left frame, the aluminium section bar of upper side frame is identical, described lower frame has the notch 601 of an accommodation lamination part of solar cell, degree of lip-rounding rib 602 it has been wholely set below notch 601, the section bar of lower frame has been wholely set a flanging 603 relative to notch direction, the root lower surface 6031 of flanging exceeds on notch along upper surface 6011, the width of flanging 603 is be more than or equal to the width at notch position, when mounting assembly, the flanging on lower frame on superposed solar module covers on the upper side frame of solar module of adjacent lower, described flanging afterbody 6032 is downward-sloping, as shown in FIG., in this frame in lower frame except flanging, other parts are identical with the section bar of left frame,
Fig. 8 is inverter and the schematic diagram of header box layout, is respectively labeled as: 72: photovoltaic agricultural greenhouse gable in Fig. 8, 73: header box one, 74: inverter group one, 75: inverter group two, 76: header box two, in Fig. 8,72 show photovoltaic agricultural greenhouse gable, photovoltaic agricultural greenhouse inverter and header box are arranged on gable, inverter two one group is fixedly installed, two inverter distances in header box and one group are less than or equal to 3 meters, more preferably, two inverter distances in header box and a group are less than or equal to 2.5 meters. illustrate two header boxs and two groups of inverters in the drawings altogether, header box 1 and inverter group 1 distance are within 2.5 meters, inverter group one is made up of two little inverters, alternating current after inverter group one inversion confluxes into header box one, it is provided with spark gap in two little inverters in inverter group one, header box one is not provided with spark gap, same, header box 2 76 and inverter group 2 75 distance are within 2.5 meters, inverter group two is made up of two little inverters, alternating current after inverter group two inversion confluxes into header box two, it is provided with spark gap in two little inverters in inverter group two, header box two is not provided with spark gap.