CN206340557U - A kind of Su Lede patterns solar panel - Google Patents

Abstract

The utility model belongs to solar panel field, and in particular to a kind of Su Lede patterns solar panel.The solar panel includes two pieces of cell pieces, and the cell piece includes photovoltaic lead-out terminal, irregular frame and solar cell module；The solar cell module is arranged in the region of the irregular frame delineation；The irregular frame carries a long straight flange, and the frame of two pieces of cell pieces constitutes Su Lede patterns along long straight flange split.The solar panel is fixed on yurt by rope, shape Su Lede patterns and color is close with Su Lede lance figure navy blues, it is mounted with the yurt of this Su Lede patterns solar panel, it is the perfect adaptation of traditional Meng ethnic group's local-style dwelling houses, traditional Meng ethnic group's culture and arts and contemporary advanced heliotechnics with traditional yurt not without its sample.

Description

A kind of Su Lede patterns solar panel

Technical field

The utility model belongs to solar panel field, and in particular to a kind of Su Lede patterns solar panel.

Background technology

Traditional yurt is made up of skeleton and felt clothing.The leg skeleton of yurt the latter half uses willow bar that piece is breathed out Make and by camel leather rope or ox-hide rope hinge diamondwise, can be with freedom retractable.The pitched roof skeleton of yurt top half Black Buddhist nun is, is also to be made by willow bar, its lower end bolt has leather rope lasso, in order to be fixed with the upper end for breathing out that piece.In black Buddhist nun There is a firm wooden annulus the top of bar, is set brain, and peripheral part is provided with many blind holes thereon, for fixed black Buddhist nun Bar.Several that piece of Kazakhstan, which are connected together, encloses work circle, constitutes the skeleton leg of yurt, wood door is provided with simultaneously in the leg south Felt curtain or timber are installed, the turnover for people.The multilayer felt clothing that useful felt is made in the outside of yurt skeleton, they can So that yurt is windproof, cold-resistant, rain-proof and anti-dust.There is a skylight on the wooden set brain in top of yurt, be used in fine day Ventilation and daylighting, when The night screen has hung down or rainy flurry is husky, the overhead guard that can be made of a felt covers it.Made of felt Into leg coat on, have three waistbands, the two ends of every waistband are all fastened in the hole of wood door, these waistbands one side Together with face securely fixes leg coat with leg skeleton, on the other hand, this three waistbands are also black Buddhist nun's bar skeleton coat, top The support that cover and leg interfix.The fixation of traditional yurt is typically all to be completed by rope, not only light but also firm, and And installing/dismounting is also very convenient.

The yurt traditionally made, can resist more than 8 grades of storm, can resist severe cold and heat, no The personal injury being likely to result in worry earthquake, and when running into snowstorm, the peculiar structure of yurt can also accumulate accumulated snow Apart from several meters of remote places of yurt.

Yurt passes through the development and evolution of nearly one thousand years, forms its unique building structure and artistic style, is working as this life In the various accountants in boundary, yurt is unique, and the advantage of its each side is also that other accountants are incomparable.

In circular set brain above yurt, signify the sun, it is generally painted Chinese red, the meaning containing day circle. The many black Buddhist nun's bars connected together with set brain, emit to periphery, just as four radiance penetrated from center.In different seasons, crow Projection of Buddhist nun's bar in yurt also indicates that the different times, there is Mongols's corona.

That piece of Kazakhstan on yurt leg can stretch, therefore can freely adjust the size and height of yurt, will be complete Breathe out after that piece packs up in portion, in that context it may be convenient to be placed on camel or other means of transports and take away, so yurt is removed and installed It is easily quick.

There is a range in yurt, it is square structure, commonly used to heating of making a fire.In Meng ethnic group's culture, brain is covered And range, there is the implication of hemispherical dome.

On yurt sloping roof, there is the art pattern for signifying Meng ethnic group's totemism, most representational is four The individual Su Lede patterns directed the spearhead of attack downward, signify peace and serenity, they are evenly distributed on all directions of yurt pitched roof On four inclined-planes.

People from Meng ethnic group worships five kinds of colors, and they are blueness, green, white, yellow and red.Wherein blueness signifies wisdom, Green symbol peace, white signifies purity, and yellow symbol wealth, red symbol is celebrating.Su Lede length on yurt pitched roof Lance figure is navy blue, and felt clothing is white, and interior trim is yellow, and door and set brain are red, and bed clothes are mostly green.

People from Meng ethnic group likes yurt, and yurt is as Meng ethnic group's local-style dwelling houses, and nearly one thousand years were never stopped using, so far in China Meng ethnic group's aggregation ground of the length and breadth of land, yurt is still the traditional shelter of people from Meng ethnic group, and in Mongolia, this custom also remains unchanged.

Since reform and opening-up, the use of yurt is more and more universal, has been not limited to Meng ethnic group area, or even in the south of the River , also there are a large amount of places that travel industry is developed using yurt in many places.Many enterprises want to grind by modern science and technology and material The yurt of a new generation is made, such as substitutes willow bar with metal pipe material, or that piece of Kazakhstan is substituted with composite, hair is replaced with canvas Felt etc..But quality, convenience, intensity and the cost performance of dismounting so far, is yet there are no to exceed the technique of traditional yurt and set Meter.

The problem of yurt also has itself.First, yurt is big nomadic product, is that nomadic people migrate from a ground To the removable local-style dwelling houses on another ground, traditional yurt can not be walked without electricity, modern yurt with power network, it is also not possible to be chased after The problem of power network to migrate, therefore electricity consumption can not be solved in migration course.Secondly, yurt is in order to resist severe desert ring Border, is not set window, therefore daylighting is also the one big weakness of yurt.Daylighting in yurt, otherwise it is by opening Skylighting, or be by the way that leg felt clothing is lifted up come daylighting, or be exactly to open felt curtain door daylighting.It can be caused in summer Carry out mosquito, winter daylighting and it is warming will sharp contrast.

On the other hand, either monocrystalline silicon or polysilicon photovoltaic cells piece in existing solar cell, they are all very Fragile, somewhat stress may become and fragmentate, so making photovoltaic battery panel with crystal silicon photovoltaic battery, generally make square Shape, and carry out reinforcement fixation with photovoltaic glass and metal framework.This not only adds the weight of photovoltaic battery panel, while So that photovoltaic battery panel can not accomplish abnormity, it is impossible to arbitrary to meet an art for race's traditional characteristicses with photovoltaic cell creation Pattern.Certainly, it is more unsuitable by such photovoltaic battery panel with the pitched roof of yurt.The non-crystalline silicon occurred in recent years Film photovoltaic cell, it is lightweight, it can bend, price is also inexpensive, the selection for making the special-shaped photovoltaic cell of yurt can be used as. But accompanying problem is that, the photoelectric transformation efficiency of amorphous silicon film battery is not also high, in yurt so limited dome On area, it is difficult to send the electric energy of enough power, its practicality is just had a greatly reduced quality.

Therefore need to find a scheme solves how to retain the architectural feature of traditional yurt and culture and arts tradition On the basis of, using modern sun energy technology, solve the electrical problem of yurt.

In view of the need for electricity of general herdsman family, this be able to will have following using the yurt of solar power generation Function：The electric power no less than 1000W can be sent, can be used for pasture pour, illuminate, heat up water cook, the family expenses such as TV refrigerator Electrical equipment.The overall weight of solar film battery piece will be less than 30 kilograms, not only safety but also be easily installed and dismantle, 8 can be resisted More than level strong wind, waterproof sand prevention is functional, the high/low temperature service behaviour that has had.

Utility model content

The utility model is sought on the basis of the architectural feature of traditional yurt and culture and arts tradition is retained, and is utilized Modern sun energy technology, solves the electrical problem of yurt, is not changing any structure of traditional yurt, advantage and culture and arts On the premise of characteristic, solar powered yurt can be utilized by making one.

The utility model is achieved through the following technical solutions：

A kind of Su Lede patterns solar panel, the solar panel includes two pieces of cell pieces, the cell piece Including photovoltaic lead-out terminal, irregular frame and solar cell module；The solar cell module is not advised described in being arranged on Then in the region of frame delineation；The irregular frame carries a long straight flange, and the frames of two pieces of cell pieces is along long straight flange split structure Into Su Lede patterns.

Further, the solar cell module includes four-level membrane and multiple solar cells, the four-level membrane It is backboard mylar, two layers of hot-melt adhesive membrane and transparent polyester film respectively, the multiple solar cell is arranged on described Between backboard mylar and the transparent polyester film, and pass through one layer of hot-melt adhesive membrane and the backboard mylar respectively With transparent polyester film bonding；The multiple solar cell is linked by water conservancy diversion welding and the welding that confluxes；Can be by adjusting The connection for saving multiple solar cells changes the shape of the solar cell module；The size of the solar cell is smaller,

During preparation, four-level membrane and multiple solar cells are put into the air pumped in vacuum equipment in each layer according to layer, Then Pressurized-heated, presses the four-level membrane and multiple solar cells and is integrated the composition solar cell module.

Further, multiple through holes are provided with the irregular frame, the through hole is provided with metal eyelet, the sun Energy cell panel is connected by through hole, is fixed on other devices.

Further, the solar panel is arranged on the pitched roof of yurt, and the solar panel receives Electric energy is produced after illumination, the electric energy is introduced into yurt and electric energy is provided into yurt；It can be set on each yurt Multiple solar panels.

Further, the electrode of the multiple solar cell is arranged at the same side of battery, and the electrode is included just Electrode and negative electrode.

Further, the solar cell is one kind or two in crystal silicon solar batteries, non-crystal silicon solar cell Kind.

A kind of above-mentioned solar panel, on yurt, it is characterised in that multiple solar panels are equal Even to be distributed on the pitched roof face of yurt, the solar panel is fixed on yurt by rope, and the rope is worn The through hole is crossed with wooden set brain round log ring, the doorframe of yurt and the waistband of yurt on yurt to be connected.

Further, the rope includes longitudinal rope, horizontal rope and intersects rope；

Longitudinal rope is divided into longitudinal rope in front of the door and longitudinal rope in other directions, and the rope in front of the door is fixed on illiteracy Gu bag left and right doorframe through hole on or be fixed on the waistband of yurt doorframe or so；Longitudinal rope in other directions is complete Portion is fixed on the waistband of yurt；The horizontal rope is extended through the multiple solar panel together by through hole, Form circumference connection；Described one end for intersecting rope is fixed on set brain round log ring, and the other end and the horizontal rope interaction are twined It is fixed on after on the waistband of yurt.

Further, the spearhead of the Su Lede patterns of one of them solar panel faces yurt timber Centre.

Further, the number of the solar panel is 4, is separately positioned on yurt east, south, west, north four On the pitched roof in direction.

Advantageous Effects of the present utility model：

(1) solar cell plate shape Su Lede patterns used by the utility model and color and the dark blue form and aspect of Su Lede lance figures It is close, the yurt of this Su Lede patterns solar panel is mounted with, and traditional yurt is not without its sample, is traditional Meng ethnic group The perfect adaptation of local-style dwelling houses, traditional Meng ethnic group's culture and arts and contemporary advanced heliotechnics.

(2) electrode of the solar panel used by the utility model is placed in the same side, then opposite side is entirely semiconductor light Radiation receiving surface, can not only improve its photoelectric transformation efficiency, but also can greatly improve the flexibility and intensity of the cell piece, Even if so that such cell piece there occurs it is broken, as long as back electrode does not break, do not interfere with yet its generating function.

(3) solar module in the utility model is by crystal silicon, non-crystal silicon solar cell and flexible thin-film battery Structure is combined, and using fexible film by the crystal silicon of multiple small sizes, non-crystal silicon solar cell integration, be can reach the opposite sexization and is set Put, existing high generated output and photoelectric transformation efficiency, but it is lightweight, it can bend, improve its fastness and reliability.

(4) electric power no less than 1000W can be sent, can be used for pasture pour, illuminate, heat up water cook, TV refrigerator Deng household electrical appliance, the overall weight of solar film battery piece will be less than 30 kilograms, not only safety but also be easily installed and dismantled, can be with Resist more than 8 grades of strong wind, waterproof sand prevention is functional, the high/low temperature service behaviour that has had.

Brief description of the drawings

Fig. 1, Su Lede pattern solar panel schematic diagram；

Fig. 2, Su Lede pattern solar panel splice on yurt after pictorial diagram；

Fig. 3, Su Lede pattern solar panel rope on yurt connect schematic diagram；

Fig. 4, Su Lede pattern solar panel schematic diagram after rope is connected on yurt；

Fig. 5, one install Su Lede solar panels yurt front schematic view；

In figure, the 1, first cell piece, the 2, second cell piece, 3, solar cell module, 4, through hole, 5, photovoltaic output end Son, 6, the wooden set brain of yurt, 10, intersect rope, 11, longitudinal rope in front of the door, 12, longitudinal rope in other directions, 13, horizontal Intersect ropes 1,23, the edge through hole of wood door to rope, 21, the waistband of yurt doorframe both sides, 22,24, intersect rope 2,25, wood door.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining The utility model, is not used to limit the utility model.

On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art The description of these detail sections can also understand the utility model completely.

Embodiment 1

A kind of Su Lede patterns solar panel, the solar panel includes two pieces of batteries of Special-shaped battery piece first The cell piece 2 of piece 1 and second, the Special-shaped battery piece includes photovoltaic lead-out terminal, irregular frame and special-shaped solar battery pack Part；The special-shaped solar cell component is arranged in the region of the irregular frame delineation；The irregular frame is carried One long straight flange, the frame of two pieces of cell pieces constitutes Su Lede patterns along long straight flange split, as shown in Figure 1.

The Su Lede patterns for being shaped as half of first cell piece 1 and the second cell piece 2, both are symmetrical.

The solar cell module includes four-level membrane and multiple solar cells, and the four-level membrane is backboard respectively Mylar, two layers of hot-melt adhesive membrane and transparent polyester film, it is thin that the multiple solar cell is arranged on the backboard polyester Between film and the transparent polyester film, and respectively by one layer of hot-melt adhesive membrane and the backboard mylar and described transparent Polyester film is bonded；The multiple solar cell is linked by water conservancy diversion welding and the welding that confluxes；Can be by adjusting multiple sun The connection of energy battery changes the shape of the solar cell module；

The size of the solar cell is 10cm*5cm；Multiple solar cell series connection, the special-shaped solar battery The output voltage of plate is more than 400V, and the solar cell is one kind in crystal silicon solar batteries, non-crystal silicon solar cell Or two kinds；Crystal silicon photovoltaic battery or amorphous silicon photovoltaic cell are made to the unit piece of very little, it is possible to be spliced into it is various not Same pattern, its damaged possibility can also be substantially reduced by so doing, while being consolidated multiple junior unit pieces using fexible film Fixed integration.

The electrode of the multiple solar cell is arranged at the same side of battery, and the electrode includes positive electrode and negative electricity Pole, the opposite side of battery is entirely semiconductor optical radiation receiving plane, can not only improve its photoelectric transformation efficiency, but also can be with Greatly improve the flexibility and intensity of the cell piece, even if so that such cell piece there occurs it is broken, as long as back electrode does not have Broken string, does not interfere with the function of its generating yet.

Backboard mylar, with high temperature characterisitic, insulation characterisitic, intensity and flexibility；Hot-melt adhesive membrane, same tool There is high transparent characteristic and insulation characterisitic, can melt when temperature reach a certain height, be filled into by the PUR of thawing In the electrode of cell piece in gap and in the micropore of the electric conversion surface of photosemiconductor, the firm station of each layer film can be not only connected to Together, the intensity of crystal-silicon battery slice or amorphous silicon battery piece can also greatly be strengthened；Multiple solar cells under light illumination can be with The certain high voltage of output and high current；Transparent polyester film equally has good temperature characterisitic and insulation characterisitic, it may have Very high intensity and flexibility, for guide-lighting and protect solar cell.

During preparation, four-level membrane and multiple solar cells are put into the air pumped in vacuum equipment in each layer according to layer, Then Pressurized-heated, presses the four-level membrane and multiple solar cells and is integrated the composition solar cell module.

Multiple through holes are provided with the irregular frame, the through hole is provided with metal eyelet, the solar panel Connected, be fixed on other devices by through hole.

Su Lede pattern emblems Meng ethnic group's traditional culture and totem, they are typically navy blue, and also someone is called noseprint Pattern or jewel floral pattern.This Su Lede patterns typically have four groups, are evenly distributed on yurt four corners of the world four direction, Soviet Union Moral pattern is strangled typically to be made with navy blue flannelette or felt-cloth, then be sewn on the pitched roof of yurt.The face of solar cell Color is close with navy blue, and Su Lede patterns solar panel had both been remained into Meng ethnic group's traditional culture and art applied to yurt Style, and state-of-the-art photovoltaic technology is introduced among traditional yurt building.

As shown in Fig. 2 the solar panel is arranged on the pitched roof of yurt, the solar panel receives Electric energy is produced after illumination, the electric energy is introduced into yurt and electric energy is provided into yurt；It can be set on each yurt Multiple solar panels.Because the angle of inclination of the pitched roof of yurt is about 35 degree or so, in China, height is irradiated The most of region spent on solar strip, the angle matches with the best angle for receiving the maximum irradiation level of the sun, therefore utilizes The pitched roof of yurt, which carries out solar power generation, can obtain very high opto-electronic conversion energy.Another title of yurt is vault Hut, this is surrounded by with Mongolia, and a roof of circle is relevant, and this roof can be received most in three different periods of morning, noon and afternoon Big illumination, roof even northernmost, the morning and evening can equally receive necessarily, the direct sunlight of angle, plus Sky white clouds and air it is reflective, can also receive the solar irradiation energy of suitable power.

A kind of installation of above-mentioned solar panel on yurt, it is characterised in that multiple solar panels It is evenly distributed on the pitched roof face of yurt, the solar panel is fixed on yurt by rope, the rope It is connected through the through hole with wooden set brain round log ring, the doorframe of yurt and the waistband of yurt on yurt.

Due to fixing solar panel using rope, there is the space of ventilation the lower section of every solar panel, this Sample when there is big blow air over, space and springy rope all can bypass segment wind-force, thus protect solar panel It will not be damaged by strong wind.

The rope includes longitudinal rope, horizontal rope and intersects rope；

Longitudinal rope is divided into longitudinal rope in front of the door and longitudinal rope in other directions, and the rope in front of the door is fixed on illiteracy Gu bag left and right doorframe through hole on or be fixed on the waistband of yurt doorframe or so；Longitudinal rope in other directions is complete Portion is fixed on the waistband of yurt；The horizontal rope is extended through the multiple solar panel together by through hole, Form circumference connection；Described one end for intersecting rope is fixed on set brain round log ring, and the other end and the horizontal rope interaction are twined It is fixed on after on the waistband of yurt.

The spearhead of the Su Lede patterns of one of them solar panel faces the centre of yurt timber.

The number of the solar panel is 4, is separately positioned on the oblique room of yurt east, south, west, north four direction On top.

As shown in figure 3, there is two Su Lede solar panels immediately below Fig. 3, they will make spearhead just right when installing The centre of yurt timber, is also the direction in due south there.Longitudinal rope 11 interaction from 1 and 2 through hole respectively in front of the door Pass through, certain length is reserved in lower end, in order to which the doorframe or waistband with yurt are connected.Other directions longitudinal direction rope 12 equally interact through at it from the through hole of two Su Lede solar panels of west, the north and east respectively Spearhead one end reserves certain rope lengths respectively, in order to which the waistband with yurt is fixed.In front of the door longitudinal rope 11 and other The upper end of direction longitudinal direction rope 12 is connected with set brain 6, and these ropes knot on the round log ring of set brain 6 and fixed.Horizontal rope 13 are each passed through the edge through hole of 8 Su Lede solar panels, and these solar panels are justified in yurt pitched roof Circumferential direction is connected with each other, and such rope one has three.The one end for intersecting rope 10 is fixed on the round log ring of set brain 6, separately One end and the horizontal interaction of rope 13 winding, finally reserve certain length, so that the waistband with yurt is fixed.Such rope Have four.

Fig. 4 is the connected mode according to Fig. 3, by 8 pieces of solar panels, set brain, yurt doorframe and waistband, with fighting Connect the situation after tensing.It is integrated it can be seen that each Su Lede solar panels 1 and 2 have spliced, composition one is complete Whole Su Lede solar panels, complete Su Lede cell panels have constituted the shape of a Su Lede Gem flower-shaped three-dimensional jig-saw puzzle as 4 Shape.Longitudinal rope 11 is separated to the left and right in front of the door, because having 11 only is fixed in the middle position of yurt timber, Therefore it must separately be fastened on the left and right of doorframe to the left and right, or be fixed on the waistband of doorframe or so.

Fig. 5 is a yurt front elevation for installing Su Lede solar panels.It can be seen that Su Lede solar energy On the pitched roof for the yurt that cell panel is placed, the spearhead of one of them complete Su Lede solar panel faces Mongolia The middle position of bag timber.Rope 11 is fixed in the edge through hole 23 of wood door 25 or is fixed on yurt after separating in front of the door On the waistband 21 of doorframe both sides.Intersect rope 13 and illustrate rope is how to pass through whole Su Lede solar panels 1 and 2, It is attached and fixed around the dome of yurt.6 in figure be the wooden set brain of yurt, longitudinal rope upper end It will be fixed on the set wooden annulus of brain.5 be the photovoltaic output line of Su Lede solar panels, and these photovoltaic output lines are drawn Enter inside yurt, can be connected in series or be connected in parallel, this will select true according to user for different power modes It is fixed.If such yurt is arranged on the larger region of wind-force, several longitudinal ropes, such as 24 and 22 can be installed more.

Claims (10)

1. a kind of Su Lede patterns solar panel, it is characterised in that the solar panel includes two pieces of Special-shaped batteries Piece, the Special-shaped battery piece includes photovoltaic lead-out terminal, irregular frame and solar cell module；The solar battery group Part is arranged in the region of the irregular frame delineation；The irregular frame carries a long straight flange, two pieces of Special-shaped battery pieces Frame along long straight flange split constitute Su Lede patterns.

2. solar panel as claimed in claim 1, it is characterised in that the solar cell module include four-level membrane and Multiple solar cells, the four-level membrane and multiple solar cell consolidations；The four-level membrane is that backboard gathers respectively Membrane of lipoprotein, two layers of hot-melt adhesive membrane and transparent polyester film, multiple solar cells are arranged on the backboard mylar Between the transparent polyester film, and respectively by one layer of hot-melt adhesive membrane and the backboard mylar and described transparent poly- Ester film is bonded；Multiple solar cells are linked by water conservancy diversion welding and the welding that confluxes.

3. solar panel as claimed in claim 1, it is characterised in that multiple through holes, institute are provided with the irregular frame State through hole and metal eyelet is installed, the solar panel is connected by through hole, is fixed on other devices.

4. solar panel as claimed in claim 1, it is characterised in that the solar panel is arranged on the oblique of yurt On roof；Multiple solar panels can be set on each yurt.

5. solar panel as claimed in claim 2, it is characterised in that the electrode of multiple solar cells is arranged at The same side of battery, the electrode includes positive electrode and negative electrode.

6. solar panel as claimed in claim 2, it is characterised in that the solar cell be crystal silicon solar batteries, One or two in non-crystal silicon solar cell.

7. solar panel as claimed in claim 3, it is characterised in that multiple solar panels are evenly distributed on illiteracy On the pitched roof face of Gu bag, the solar panel is fixed on yurt by rope, and the rope passes through the through hole It is connected with wooden set brain round log ring, the doorframe of yurt and the waistband of yurt on yurt.

8. cell panel as claimed in claim 7, it is characterised in that the rope includes longitudinal rope, horizontal rope and cross cord Rope；

Longitudinal rope is divided into longitudinal rope in front of the door and longitudinal rope in other directions, and the rope in front of the door is fixed on yurt Left and right doorframe through hole on or be fixed on the waistband of yurt doorframe or so；Longitudinal rope in other directions is all solid It is scheduled on the waistband of yurt；The horizontal rope is extended through the multiple solar panel together by through hole, is formed Circumference is connected；Described one end for intersecting rope is fixed on set brain round log ring, after the other end and the horizontal rope interaction winding It is fixed on the waistband of yurt.

9. cell panel as claimed in claim 7, it is characterised in that the Su Lede patterns of one of them solar panel Spearhead faces the centre of yurt timber.

10. cell panel as claimed in claim 7, it is characterised in that the number of the solar panel is 4, is set respectively On the pitched roof of yurt east, south, west, north four direction.