CN209697534U - A kind of cleaning device of passive photovoltaic module - Google Patents

Abstract

The utility model relates to a kind of cleaning devices of passive photovoltaic module, belong to new energy technical field of photovoltaic power generation, drip irrigation device: including mounting rack；Photovoltaic panel on mounting rack is set；The conveyance conduit of nearly mounting rack setting；Set on photovoltaic panel side and the hollow pipe that is connected with conveyance conduit；Activity is interspersed in hollow pipe and is in the U-tube of hollow form；The cleaning assembly being connected with U-tube；For being connected to or being closed the flexible adjustment component in channel between conveyance conduit and U-tube in hollow pipe；And for driving U-tube reset, the reset drives component to drive cleaning assembly to clean photovoltaic panel on mounting rack.The cleaning device of the utility model is when in use, the dust accumulation of photovoltaic module can effectively be cleaned and stockpile object, it is existing insufficient to well solve the cleaning such as artificial cleaning, robot at present, so as to improve the generated energy of photovoltaic station, increase economic benefit, promotes the Operating ettectiveness of entire photovoltaic system.

Description

A kind of cleaning device of passive photovoltaic module

Technical field

The utility model relates to new energy technical field of photovoltaic power generation more particularly to a kind of cleanings of passive photovoltaic module Device.

Background technique

With the development of China's new energy technology in recent years, the new energy Photovoltaic generation installed capacity in China has become generation Boundary first is obtained in ground, photovoltaic power generation technologies such as some border districts, such as Xinjiang, Tibet, Qinghai and Inner Mongol in China It is widely applied.

Currently, the surface of photovoltaic module can usually be stained with dust accumulation, bird during actually being generated electricity using photovoltaic module Excrement and residue, the dust accumulation as caused by different regions or areal different season and each not phase the case where stockpile object Together, wind speed, rainfall, air pollution, flock of birds gather, the climatic environmental factors and component mounted angle etc. such as dust property can all generate It is all kinds of of different nature to stockpile object.These, which stockpile object, can not only reduce solar transmittance, cause component decrease in power generation efficiency, And birds droppings, accumulated ice and the residue of corner accumulate the generating efficiency decaying that can not only seriously affect photovoltaic module too long and old Change and aggravate, can also make the part of component generate " hot spot ", and then be evolved into local silicon wafer operational failure, so as to cause whole A component scraps replacement.

In recent years, many for the dust accumulation clean method of photovoltaic module, there are various artificial dresses, robot cleaning, nothing Man-machine detection " hot spot " etc., the distinct methods scope of application and feature are different, when application operating also by photovoltaic station condition, water source, Limitation of the conditions such as water quality etc. (roof photovoltaic power generation also needs to consider roofing load), most photovoltaic module is using artificial cleaning 4-5 times/year of (washing and mopping method), since working area is big, production O&M expense, which is also impossible to more pay, increases cleaning Number, accordingly, for the more severe area of the climatic environments such as dust storm, winter, this mode periodically manually cleaned still can not The residues such as birds droppings can not be cleaned in time, accelerate there are still members decaying and " hot spot " leads to entire component actual effect Phenomenon.Correlative study data show that electric quantity loss caused by photovoltaic module dust accumulation one month is up to 5-8%, therefore, timely and effective The classes such as the dust and birds droppings of ground removing photovoltaic module stockpile object, and power station generated energy not only can be improved and increase economic well-being of workers and staff, and And component attenuation rate can be reduced and extend its useful life, this reliable and stable operation of main body generating equipment for photovoltaic plant It is to be of great importance.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of the clear of passive photovoltaic module Cleaning device can effectively clean the dust accumulation of photovoltaic module and stockpile object, and it is clear to well solve artificial cleaning, robot etc. at present Existing deficiency is washed, so as to improve the generated energy of photovoltaic station, increases economic benefit, promotes the operation of entire photovoltaic system Efficiency.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of cleaning device of passive photovoltaic module, comprising: mounting rack；It is inclined on mounting rack in predetermined angle Several photovoltaic panels；Nearly mounting rack setting, for the convey cleansing medium and valvular conveyance conduit of installation；Along photovoltaic Hollow pipe that is that plate inclination extending direction is set to photovoltaic panel side and being connected with conveyance conduit；Activity is interspersed in hollow pipe, U-tube piston motion and in hollow form can be done along hollow pipe extending direction；It is being connected with U-tube, for cleaning photovoltaic The cleaning assembly of plate；For being connected to or being closed the flexible adjustment component in channel between conveyance conduit and U-tube in hollow pipe； And for driving U-tube reset, the reset drives group to drive cleaning assembly to clean photovoltaic panel on mounting rack Part.

By adopting the above technical scheme, when need to clean in photovoltaic panel when stockpiling object, can be with Open valve to cleansing medium Scheduled pressure is provided, allows cleansing medium to enter hollow pipe at a predetermined pressure, in the control of flexible adjustment component Under, cleansing medium is entered in U-tube, meanwhile, the pressure in hollow pipe can drive U-tube to do piston along hollow pipe Movement, under the cooperation with reset assembly, can drive cleaning assembly along photovoltaic panel inclined direction to photovoltaic plate surface into Row cleaning, by this scheme, can effectively clean the dust accumulation of photovoltaic module and stockpile object, well solve artificial at present clear It washes, the existing insufficient problem of the cleaning such as robot, so as to improve the Operating ettectiveness of entire photovoltaic system.

The utility model is further arranged: the flexible adjustment component includes: to be accommodated in along hollow pipe extending direction activity T-bar in hollow pipe；It is movably set in the limiting block that on T-bar outer wall and outer wall and hollow inside pipe wall fit；And if In the elastic component on T-bar for connecting limiting block, limiting block can be driven to move along T-bar extending direction, the U-tube is close One end of T-bar is equipped with the ring block to fit with hollow inside pipe wall, offers on the ring block for being connected to hollow pipe With the through-hole of U-tube.

By adopting the above technical scheme, the elastic component of setting can use the restoring force of itself, so that limiting block is set in T The end of shape bar, when Open valve, cleansing medium can drive limiting block to slide under the action of predetermined pressure, so that compression Spring is compressed, and is entered between T-bar and ring block so as to gap of the medium easy to clean between limiting block and T-bar Hollow pipe in, then entered in U-tube by through-hole, realize automatic adjustment to cleansing medium flow, meanwhile, elastic component It can use the elastic force of itself, so that current limliting block reset, to be closed the channel between hollow pipe and U-tube, this structure is set Meter is exquisite, value with higher.

The utility model is further arranged: the elastic component includes: that ring is located at installation of the T-bar far from limiting block side Block；It is set in the driving spring that on T-bar and one end far from limiting block is mutually fixed with mounting blocks.

By adopting the above technical scheme, driving spring itself has elasticity, can use elastic force and drives to limiting block, Allow limiting block is stable to slide along T-bar, and driving spring is easily bought, substitutability is preferable.

The utility model is further arranged: being connected with extension rod between the mounting blocks and ring block.

By adopting the above technical scheme, the extension rod of setting can increase the distance between mounting blocks and ring block, to increase Add the hollow pipe between both to accommodate the space of cleansing medium, cleansing medium is allowed more quickly to be pressed into U-tube It is interior.

The utility model is further arranged: the cleaning assembly includes: being connected with U-tube and in the clear of hollow form Wash armed lever；And cleaning armed lever is mounted on close to multiple jet heads of photovoltaic panel side.

By adopting the above technical scheme, it when cleansing medium enters in cleaning armed lever, can be ejected by jet head, thus The surface of photovoltaic panel can be cleaned, it can be very easily instead of manually being carried out clearly to the object that stockpiles of photovoltaic panel surface adhesion It washes.

The utility model is further arranged: the jet head is equidistantly distributed on cleaning armed lever, the cleaning arm The extending direction of bar and the extending direction of hollow pipe are perpendicular.

By adopting the above technical scheme, the cleansing medium that the spacing for limiting jet head can make jet head eject is more equal Even is in contact with photovoltaic panel, so as to improve the cleaning effect to photovoltaic panel；And the position limitation of armed lever is cleaned, it can be most The surface of the covering photovoltaic panel of limits further increases the comprehensive of jet head cleaning photovoltaic panel.

The utility model is further arranged: the U-tube is fixed with equal with cleaning armed lever close to one end of cleaning armed lever Capable batten, the batten are equipped with the cleaning item being in contact with photovoltaic plate surface close to the side of photovoltaic panel.

By adopting the above technical scheme, the batten and cleaning part of setting, the two can cooperate, in jet head to photovoltaic panel After cleaning is realized on surface, cleaning part can be driven further to clean photovoltaic plate surface, reduce stockpiling for photovoltaic panel surface adhesion Object and liquid, so that photovoltaic panel is cleaner.

The utility model is further arranged: the reset drives component is to be mounted on mounting rack and extending direction and empty The consistent hydraulic cylinder of heart pipe extending direction, end of the piston rod of the hydraulic cylinder with U-tube far from cleaning armed lever are detachable Formula installation.

By adopting the above technical scheme, the hydraulic cylinder of setting can drive U-tube when U-tube is moved to scheduled position It resets, allows U-tube that cleaning assembly is driven to clean photovoltaic panel, this structure operation is simple, it is easy to accomplish, Ke Yiyou Effect ground replaces artificial.

The utility model is further arranged: the length phase of the piston pole length of the hydraulic cylinder and U-tube and photovoltaic panel Unanimously.

By adopting the above technical scheme, the length for limiting hydraulic cylinder piston rod and U-tube, so that the piston rod of hydraulic cylinder is in band When dynamic U-tube movement, cleaning assembly can also be driven just to realize comprehensive cleaning to photovoltaic panel, it is also possible to save U-shaped The material cost of pipe guarantees that cleansing medium can smoothly enter in cleaning armed lever.

The utility model is further arranged: the hollow pipe is equipped with close to the side of conveyance conduit for controlling conveying Cleansing medium enters the regulating valve in hollow pipe in pipeline.

By adopting the above technical scheme, when single photovoltaic panel needs to clean, the regulating valve of setting can control cleaning and be situated between Matter enter corresponding single hollow pipe in, thereby may be ensured that the relatively independent cleaning to single photovoltaic panel, further save at This.

In conclusion the utility model has the following beneficial effects:

By setting hollow pipe and U-tube and flexible adjustment component, flexible adjustment component can be controlled when opening the valve Cleansing medium in conveyance conduit processed enters in hollow pipe, and then enters in U-tube, meanwhile, in reset drives component and valve Cooperation under, U-tube can also be driven to move back and forth along mounting rack, so as to drive cleaning assembly along photovoltaic panel Inclined direction moves back and forth, so as to very easily realize that the object that stockpiles to photovoltaic panel surface adhesion cleans, this side Case can effectively replace that manually, the Operating ettectiveness of entire photovoltaic system can be effectively improved；And the setting of cleaning item, then may be used Further to increase the cleaning effect to photovoltaic panel, so that cleaned more clean of photovoltaic panel.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of hollow pipe in the utility model embodiment overall structure；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the enlarged drawing in Fig. 1 at B；

Fig. 4 is the position view of hydraulic cylinder in the utility model embodiment.

Appended drawing reference: 1, mounting rack；2, photovoltaic panel；3, conveyance conduit；30, valve；31, hollow pipe；32, U-tube；4,T Shape bar；41, limiting block；42, ring block；43, through-hole；44, mounting blocks；45, driving spring；46, extension rod；5, armed lever is cleaned； 51, jet head；6, batten；7, hydraulic cylinder；8, regulating valve.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The present embodiment: a kind of cleaning device of passive photovoltaic module is installed on mounting rack 1 as depicted in figs. 1 and 2 There are photovoltaic panel 2, photovoltaic panel 2 and ground to be mounted on mounting rack 1 in scheduled angle tilt, the quantity of photovoltaic panel 2 is at least one It is a, preferably four in the present embodiment, conveyance conduit 3 is installed in the place close to mounting rack 1, conveyance conduit 3 is used to convey Cleansing medium, meanwhile, it is also equipped with valve 30 on conveyance conduit 3, hollow pipe 31, hollow pipe are also equipped on mounting rack 1 31 one end is connected with conveyance conduit 3, and the extending direction of hollow pipe 31 is consistent with the inclination extending direction of photovoltaic panel 2.

In the present embodiment, cleansing medium uses 20-50 degrees Celsius and pressure value for the vapor of 1-1.5 megapascal and pressure Value is that the compressed air of 1.5-2 megapascal forms, and conveyance conduit 3 and hollow pipe 31 use PRR tubing matter, when implementing cleaning, Only need for the carbonated drink of predetermined pressure specification and air tank to be connected to the entrance of conveyance conduit 3, opening valve 30 can be automatic complete At cleaning.

It is as shown in Figure 3 to be interspersed with U-tube 32(for activity in hollow pipe 31), hollow pipe can be inserted in one end of U-tube 32 Piston motion is done in 31 and along the inner wall of hollow pipe 31, cleaning assembly is installed on U-tube 32, cleaning assembly can be with 2 surface of photovoltaic panel is cleaned in the movement of U-tube 32；Flexible adjustment component, flexible adjustment group are provided in hollow pipe 31 Part can be connected to or be closed the interface channel between conveyance conduit 3 and U-tube 32, control the cleansing medium in conveyance conduit 3 It enters in U-tube 32；In addition, being also equipped with reset drives component on mounting rack 1, reset drives component can drive U-shaped Pipe 32 moves, and allows U-tube 32 that cleaning assembly is driven to move together, cleans to the surface of photovoltaic panel 2.

In the present embodiment, flexible adjustment component includes: to be accommodated in hollow pipe 31 along 31 extending direction activity of hollow pipe T-bar 4, be arranged with limiting block 41 on one end outer wall of the T-bar 4 close to conveyance conduit 3, the outer wall of limiting block 41 with it is hollow The inner wall of pipe 31 fits, so as to play sealing function；And installation is equipped with far from one end of limiting block 41 in T-bar 4 Block 44, the scheduled gap in inner wall interval of mounting blocks 44 and hollow pipe 31, and driving spring 45 is arranged on T-bar 4, it drives One end of spring 45 is fixed on mounting blocks 44, and the other end is fixed with 41 phase of limiting block.

In addition, being then equipped with ring block 42, the outer wall and hollow pipe of ring block 42 close to one end of T-bar 4 in U-tube 32 31 inner wall fits, and multiple through-holes 43 are also provided on ring block 42, and through-hole 43 can be connected to hollow pipe 31 and U-tube 32, cleansing medium is entered in U-tube 32 from hollow pipe 31 by through-hole 43.

In this embodiment, reset drives component is the hydraulic cylinder 7(that is mounted on mounting rack 1 as shown in Figure 4), hydraulic cylinder 7 For passive hydraulic cylinder, and the extending direction of hydraulic cylinder 7 is consistent with the extending direction of hollow pipe 31, and the piston of hydraulic cylinder 7 Bar top and the detachable installation in the one end of U-tube 32 far from T-bar 4.

Wherein, cleaning assembly includes: cleaning armed lever 5 that is being connected with U-tube 32 and being in hollow form；And it is mounted on clear Armed lever 5 is washed close to multiple jet heads 51 of 2 side of photovoltaic panel.

When needing to clean 2 surface of photovoltaic panel, valve 30 can be first opened, compressed air can enter hollow pipe 31 It is interior, U-tube 32 can be driven to slide along the inner wall of hollow pipe 31, meanwhile, cleaning armed lever 5 can be moved up along photovoltaic panel 2, In During cleaning armed lever 5 is moved up along photovoltaic panel 2, hydraulic cylinder 7 can put aside energy；When cleaning armed lever 5 is moved to photovoltaic When the top of plate 2, compressed air can open limiting block 41, so that driving spring 45 be driven to compress, driving spring 45 is in compression Meanwhile the gap flowed through for cleansing medium is generated between 4 outer wall of 41 meeting of limiting block and T-bar, so that compressed air and vapor Into in the space between T-bar 4 and ring block 42, then entered in U-tube 32 by through-hole 43 again, then passes through U-tube 32 It is injected into cleaning armed lever 5.

At the same time, hydraulic cylinder 7 can start to release energy, and drive U-tube 32 slowly resets, so that cleaning 5 edge of armed lever Photovoltaic panel 2 glide, during cleaning armed lever 5 and gliding, cleansing medium can be formed in cleaning armed lever 5 by U-tube 32 Steam or compressed air stream, the steam after formation can be ejected with compressed air stream from jet head 51, with cleaning armed lever 5 It glides and the surface of photovoltaic panel 2 is cleaned, so as to replace that 2 surface adhesion of photovoltaic panel is manually stockpiled object cleaning Fall；When cleaning armed lever 5 is moved to the bottom of photovoltaic panel 2, the driving force of hydraulic cylinder 7 can make driving spring 45 reset, so that Driving spring 45 drives limiting block 41 to be restored to original position, and entire cleaning device is then made to may return to reset condition.

Wherein, extension rod 46, one end of extension rod 46 and ring block 42 are installed between mounting blocks 44 and ring block 42 The mutually fixed, other end and mounting blocks 44 are inconsistent, and the setting of extension rod 46 can increase between mounting blocks 44 and ring block 42 Distance, to increase the space that the hollow pipe 31 between mounting blocks 44 and ring block 42 accommodates cleansing medium, so that cleansing medium It can more quickly be pressed into U-tube 32.

In the present embodiment, jet head 51 is equidistantly mounted on cleaning armed lever 5, such setting, so that jet head 51 The entire photovoltaic panel 2 of the more uniform covering of the cleansing medium ejected, so as to improve the cleaning effect to photovoltaic panel 2；Together When, the extending direction for cleaning the extending direction and hollow pipe 31 of armed lever 5 is perpendicular, can cover photovoltaic panel to greatest extent in this way 2 surface further increases jet head 51 and cleans the comprehensive of photovoltaic panel 2.

In addition, being fixed with batten 6 close to one end of cleaning armed lever 5 in U-tube 32, and batten 6 is equal with cleaning armed lever 5 Row, the cleaning item being in contact with 2 surface of photovoltaic panel is equipped in batten 6, in the present embodiment, clearly close to the side of photovoltaic panel 2 Sweeping part is the hairbrush being mounted on batten 6, and in other embodiments, cleaning item is also possible to flexible rubber flap.

When cleaning surface downslide of the armed lever 5 along photovoltaic panel 2, batten 6 can also glide with cleaning armed lever 5, so that hair The bristle painted is in contact with the surface of photovoltaic panel 2, and bristle can clean 2 surface of photovoltaic panel after cleaning, so that one A little burs can be cleaned out quickly, so as to further increase the effect of cleaning photovoltaic panel 2.

It is also equipped with regulating valve 8 close to the side of conveyance conduit 3 in hollow pipe 31, regulating valve 8 can control conveyance conduit 3 Interior cleansing medium enters in hollow pipe 31, when single photovoltaic panel 2 needs to clean, can individually open regulating valve 8, in this way Cleansing medium can be controlled to enter in corresponding single hollow pipe 31, thereby may be ensured that the relatively only of single photovoltaic panel 2 Vertical cleaning, is further reduced the waste of cleansing medium, reduces the cost of cleaning photovoltaic panel 2.

In addition, in the present embodiment, the length phase one of the piston pole length and U-tube 32 and photovoltaic panel 2 of hydraulic cylinder 7 Cause, limit hydraulic cylinder 7 piston rod and U-tube 32 length so that the piston rod of hydraulic cylinder 7 drive U-tube 32 move when, Cleaning arm bar 5 can be made just to realize comprehensive cleaning from top to bottom to photovoltaic panel 2, it is also possible to save U-tube 32 Material cost guarantees that cleansing medium can smoothly enter in cleaning armed lever 5.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only It will be in the scope of the claims of the utility model all by the protection of Patent Law.

Claims (10)

1. a kind of cleaning device of passive photovoltaic module characterized by comprising mounting rack (1)；It is set in predetermined angle inclination Set several photovoltaic panels (2) on mounting rack (1)；

Nearly mounting rack (1) setting, for conveying cleansing medium and be equipped with the conveyance conduit of valve (30) (3)；

Hollow pipe that is being set to photovoltaic panel (2) side along photovoltaic panel (2) inclination extending direction and being connected with conveyance conduit (3) (31)；

Activity is interspersed in hollow pipe (31), can do U-shaped piston motion and in hollow form along hollow pipe (31) extending direction It manages (32)；

Cleaning assembly be connected with U-tube (32), for cleaning photovoltaic panel (2)；

For being connected to or being closed the flexible adjustment group in channel between conveyance conduit (3) and U-tube (32) in hollow pipe (31) Part；

And it is set on mounting rack (1) for driving U-tube (32) to reset, to drive cleaning assembly to carry out clearly photovoltaic panel (2) The reset drives component washed.

2. a kind of cleaning device of passive photovoltaic module according to claim 1, which is characterized in that the flexible adjustment Component includes: the T-bar (4) being accommodated in hollow pipe (31) along hollow pipe (31) extending direction activity；It is movably set in T-bar (4) on outer wall and limiting block (41) that outer wall and hollow pipe (31) inner wall fit；And it is set on T-bar (4) for connecting Limiting block (41), the elastic component that limiting block (41) can be driven mobile along T-bar (4) extending direction, the U-tube (32) is close to T One end of shape bar (4) is equipped with the ring block (42) to fit with hollow pipe (31) inner wall, offers on the ring block (42) For being connected to the through-hole (43) of hollow pipe (31) Yu U-tube (32).

3. a kind of cleaning device of passive photovoltaic module according to claim 2, which is characterized in that the elastic component packet Include: ring is located at the mounting blocks (44) of T-bar (4) separate limiting block (41) side；It is set on T-bar (4) and far from limiting block (41) driving spring (45) that one end is mutually fixed with mounting blocks (44).

4. a kind of cleaning device of passive photovoltaic module according to claim 3, which is characterized in that the mounting blocks (44) it is connected between ring block (42) extension rod (46).

5. a kind of cleaning device of passive photovoltaic module according to claim 1, which is characterized in that the cleaning assembly It include: cleaning armed lever (5) that is being connected with U-tube (32) and being in hollow form；And cleaning armed lever (5) is mounted on close to photovoltaic Multiple jet heads (51) of plate (2) side.

6. a kind of cleaning device of passive photovoltaic module according to claim 5, which is characterized in that the jet head (51) it is equidistantly distributed in cleaning armed lever (5), the extending direction of cleaning armed lever (5) and the extension of hollow pipe (31) Direction is perpendicular.

7. a kind of cleaning device of passive photovoltaic module according to claim 1, which is characterized in that the U-tube (32) batten (6) parallel with cleaning armed lever (5) is fixed with close to one end of cleaning armed lever (5), the batten (6) leans on dipped beam The side of volt plate (2) is equipped with the cleaning item being in contact with photovoltaic panel (2) surface.

8. a kind of cleaning device of passive photovoltaic module according to claim 1, which is characterized in that the reset drives Component is to be mounted on mounting rack (1) and hydraulic cylinder (7) that extending direction is consistent with hollow pipe (31) extending direction, described The detachable installation in end of piston rod and U-tube (32) far from cleaning armed lever (5) of hydraulic cylinder (7).

9. a kind of cleaning device of passive photovoltaic module according to claim 8, which is characterized in that the hydraulic cylinder (7) piston pole length is consistent with the length of U-tube (32) and photovoltaic panel (2).

10. a kind of cleaning device of passive photovoltaic module according to claim 1, which is characterized in that the hollow pipe (31) side close to conveyance conduit (3) is equipped with enters in hollow pipe (31) for controlling conveyance conduit (3) interior cleansing medium Regulating valve (8).