CN108607835A - A kind of photovoltaic system and its working method with self-cleaning function - Google Patents

Abstract

The present invention relates to smart machine field of terminal, and in particular to a kind of photovoltaic system and its working method with self-cleaning function.Wherein, this photovoltaic system with self-cleaning function includes：Monitor terminal and each sub- photovoltaic devices；The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；The sub- control module is suitable for module by radio communication and receives the command information of monitor terminal, and controls cleaning device and spray high pressure water to photovoltaic module surface.Module realizes monitor terminal remote control cleaning device and is cleaned to photovoltaic module the photovoltaic system of the present invention by radio communication, eliminates the trouble manually cleaned, improves the generated output of photovoltaic module；High-pressure washing is used simultaneously, can also be reduced the temperature of photovoltaic module, be improved its service life.

Description

A kind of photovoltaic system and its working method with self-cleaning function

Technical field

The invention belongs to smart machine field of terminal, and in particular to a kind of photovoltaic system and its work with self-cleaning function Make method.

Background technology

Solar energy is following most cleaning, the safe and reliable energy, countries in the world using solar energy development using as The Long-term planning of energy revolution, and active development photovoltaic module.During photovoltaic module works outdoors, surface is due to that will connect Receive sunlight and it is exposed in air, but the surface for making dust be attached to photovoltaic module that works long hours stops that its receives the sun Energy reduces the generated output of photovoltaic module.And also dust is cleared up without preferable method at present, work can only be leaned on clear Reason, not only labor intensity is big, but also is not easy wiped clean.

Invention content

The object of the present invention is to provide a kind of photovoltaic system and its working method with self-cleaning function passes through and cleans dress It sets to photovoltaic module surface and sprays high pressure water, with automated cleaning photovoltaic module.

In order to solve the above technical problem, the present invention provides a kind of photovoltaic systems, including：Monitor terminal and each sub-light volt Device；The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；Institute It states sub- control module and is suitable for the command information of module reception monitor terminal by radio communication, and control cleaning device to photovoltaic group Spray high pressure water in part surface.

Further, the sub- control module is also associated with temperature sensor, the surface temperature for detecting photovoltaic module；When When temperature detection value is more than preset value, the sub- control module control driving cleaning device sprays high pressure to photovoltaic module surface Water.

Further, the wireless communication module includes：Antenna assembly；The antenna assembly includes：Antenna substrate module and Conductive metal layer in antenna substrate module；It is suitable for etching several opening void regions on the conductive metal layer； It is open between void region equipped with parasitic element；And one layer of conduction is covered on the surface of conductive metal layer and parasitic element Metal film.

Further, mixed ink is printed on the corresponding position of the antenna substrate module, and after mixed ink solidification It is put into metal salt solution, to form the conductive metal layer on mixed ink surface.

Further, the component of the mixed ink includes by mass fraction：40 mass parts of iron, 10 mass of metal oxide Part, 10 mass parts of phenoxy resin, 10 mass parts of glass composition, 9 mass parts of butanone, 8 mass parts of α terpinols, butyl carbitol 8 mass parts of acetate, 5 mass parts of reducing agent.

Further, the metal oxide is selected from copper oxide, aluminium oxide and its mixture.

Further, the glass composition is composed of the following components：40% B₂O₃；10% P₂O₅、SiO₂And its mixing Object；The CaO of 20-30%；The Ln of 20-50%₂O₃；Wherein Ln is selected from rare earth element and its mixture.

Further, carrying out cured process conditions to parasitic material lotion by ultraviolet light includes：Two groups of power are 10~ The wave-length coverage of the ultraviolet source of 15KW, ultraviolet light is UVA wave bands, and hardening time is 20~25 seconds.

Another aspect, the present invention also provides a kind of working methods of photovoltaic system, including：Monitor terminal and each sub-light volt Device；The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；Institute It states sub- control module and is suitable for the command information of module reception monitor terminal by radio communication, and control cleaning device to photovoltaic group Spray high pressure water in part surface.

The invention has the advantages that realize monitor terminal long-range for module by radio communication for the photovoltaic system of the present invention Control cleaning device cleans photovoltaic module, eliminates the trouble manually cleaned, improves the generated output of photovoltaic module, High-pressure washing is used simultaneously, can also be reduced the temperature of photovoltaic module, be improved its service life.

Description of the drawings

Fig. 1 is the functional block diagram of the photovoltaic system of the present invention.

Fig. 2 is the batch micro operations schematic diagram of the antenna assembly of the present invention；

Fig. 3 is the concrete structure plan view of the antenna assembly of the present invention；

Fig. 4 is other structure form figures of the antenna assembly of the present invention；

In figure：Conductive metal layer 111,112,114,115, parasitic element 113, feed element F.

Specific implementation mode

Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from Various modifications or alterations are carried out under the spirit of the present invention.

It should be noted that the diagram provided in the present embodiment only illustrates the basic conception of the present invention in a schematic way, So component count, shape and the size when only display is with related component in the present invention rather than according to actual implementation in schema are painted System, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel also may be used It can be increasingly complex.

Embodiment 1

Fig. 1 is the functional block diagram of the photovoltaic system of the present invention.

As shown in Figure 1, the present invention provides a kind of photovoltaic system, including：Monitor terminal and each sub- photovoltaic devices；The sub-light Lying prostrate device includes：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；The sub- control module The command information of monitor terminal is received suitable for module by radio communication, and is controlled cleaning device and sprayed height to photovoltaic module surface Press water.

Specifically, the monitor terminal is such as, but not limited to remote monitoring computer；Described instruction information includes but unlimited In water spray instruction, temperature preset value etc..

Preferably, the sub- control module is also associated with temperature sensor, the surface temperature for detecting photovoltaic module；When When temperature detection value is more than preset value, the sub- control module control driving cleaning device sprays high pressure to photovoltaic module surface Water improves its service life to cool down photovoltaic module.

Optionally, Zigbee network or GPRS network may be used in the wireless communication module.See Fig. 1, the present embodiment 1 Sub- control module is suitable for by the way that corresponding driving circuit controls photovoltaic module respectively, cleaning device works, the sub- control Module is such as, but not limited to industrial control board or PLC module.

Module realizes monitor terminal remote control cleaning device to light to the photovoltaic system of the present embodiment 1 by radio communication Volt component is cleaned, and is eliminated the trouble manually cleaned, is improved the generated output of photovoltaic module；High pressure water is used simultaneously It washes, the temperature of photovoltaic module can also be reduced, improve its service life.

Fig. 2 is the batch micro operations schematic diagram of the antenna assembly of the present invention.

A kind of optional embodiment as antenna assembly.

As shown in Fig. 2, the wireless communication module includes：Antenna assembly；The antenna assembly includes：Antenna substrate module （It is not shown in figure）, conductive metal layer in antenna substrate module（111、112、114、115）, be arranged in conductive metal layer Parasitic element 113 above；It is suitable for etching several opening void regions on the conductive metal layer；Opening void region it Between be equipped with parasitic element；And one layer of conductive metal film is covered on the surface of conductive metal layer and parasitic element.Specifically, At least four opening void region of setting, the parasitic element rank adjacent opening on conductive metal layer on conductive metal layer Between void region；The quantity of parasitic element is three, and the distance between parasitic element is equal, the dimensions length phase of parasitic element Together；Opening void region area between parasitic element is identical, the opening void region area being located at except parasitic element It can not wait.

Optionally, the conductive metal film is such as, but not limited to realized using plating mode.

The antenna substrate module can be the pcb board of routine, simply and reduce cost.

Multiple opening void regions are arranged in the antenna assembly of present embodiment on conductive metal layer, and it is traditional thread binding both to have reduced day The overall dimensions set, and greatly reduce production cost；Parasitic element is directly set on conductive metal layer, utilizes reasonable setting Size and position relationship, adjust parasitic element with opening void region superposition couple, realize the good increasing of antenna assembly Beneficial characteristic improves the communication quality of wireless communication module, to ensure that the information between monitor terminal and sub- photovoltaic devices Interaction fluency.

Fig. 3 is the concrete structure plan view of the antenna assembly of the present invention.

Referring to Fig. 3, the length of parasitic element 113 is equal to the length of opening void region（Two openings on the left of parasitic element The length of single opening void region on the right side of the total length or parasitic element of void region）, the width of parasitic element 113 is little Intermediate distance in both sides adjacent apertures void region.The introducing of parasitic element can effectively control antenna assembly unit ruler It is very little, and control longitudinal gain characteristic of radiating element.The suitable parasitic element size signal longitudinal to radiation is had The guiding and focusing of effect not only ensure that antenna assembly size reduced, and but also can targetedly promote the radiation gain of antenna assembly, so And if the specific size of parasitic element design it is improper can cause larger radiation offset, preferably select reasonable ruler here It is very little, the size of the parasitic element of antenna assembly appropriate ranging from long 1.5-2.5cm, wide 2-4mm in this case；Preferably, it selects Select the dielectric constant values ranging from 10-20 of parasitic element.

In addition to this, be open void region aperture position the radiation effect of antenna assembly also will produce it is relatively straightforward It influences, as it can be seen that the Edge Distance when open area Edge Distance conductive metal layer upper end 111 is less than apart from conductive metal in Fig. 3 When the Edge Distance of layer lower end 112, the high frequency performance of antenna assembly can significantly get a promotion, the Edge Distance two of open area When the distance areas at end is identical, the low frequency performance of antenna assembly can significantly enhance.By adjusting between different parasitic elements Aperture position can adjust the different frequency range performance of antenna assembly, such as dual frequency operation.

The opening void region of the conductive metal layer of antenna assembly can be one, can also be two or more, work as opening When the quantity of void region is more, the multi-frequency Characteristic of antenna assembly can be more apparent, however its radiation gain can be lost, and be made To make up, the opening size of at least two opening void regions can be made identical, the radiation by identical size to needs Frequency range carries out gain superposition coupling and makes up, and this superposition coupling is open by conductive metal layer between void region and parasitic element Coupled in common is realized.Conductive metal layer is divided into several slip gauges shape then, such as rectangle, square etc. by the parasitism layer.

Referring to Fig. 3, the centre position of each parasitic element is provided with distributing point F, and the concrete mode of the feeder equipment can be The patch mode on surface can also be realized that only it is accounted for by passing through the coaxial feed mode of antenna substrate module Can be larger compared to patch with space, but the antenna assembly transmission characteristic and effect of its acquisition have all benifits.

Fig. 4 is other structure form figures of the antenna assembly of the present invention.

As the another case of embodiment 1, as noted previously, as the multiple opening void regions of conductive metal layer appearance may The phenomenon that gain being caused to consume, the present invention have carried out further amendment for this defect, referring to Fig. 4, by will be parasitic single The opening void region of first side is cut down, and to weaken incoherent extra frequency range, is reduced the consume of gain, is promoted target The actual gain of frequency range.

As a kind of optional embodiment for making conductive metal layer.

Mixed ink is printed on the corresponding position of the antenna substrate module, and is put into metal after mixed ink solidification In salting liquid, to form the conductive metal layer on mixed ink surface.

Optionally, antenna substrate module is such as, but not limited to put into oven cooking cycle by the mixed ink curing mode, Baking temperature is preferably 160 DEG C, and baking time is preferably 20 minutes.

Preferably, the component of the mixed ink includes by mass fraction：40 mass parts of iron, 10 mass of metal oxide Part, 10 mass parts of phenoxy resin, 10 mass parts of glass composition, 9 mass parts of butanone, 8 mass parts of α terpinols, butyl carbitol 8 mass parts of acetate, 5 mass parts of reducing agent.Wherein, the metal oxide is selected from copper oxide, aluminium oxide and its mixture.Institute Stating glass composition includes：40% B₂O₃, 10% P₂O₅、SiO₂And its mixture, the CaO of 20-30%, 20-50%'s Ln₂O₃；Wherein Ln is selected from rare earth element and its mixture.The reducing agent can be one kind of sodium citrate or sodium potassium tartrate tetrahydrate Or it is a variety of.The conductive metal layer for the antenna assembly produced accordingly, performance and effect can be combined with the structure of antenna assembly Go out preferable radiance.

In addition, including to the cured process conditions of parasitic material lotion progress by ultraviolet light：Two groups of power are 10~ The ultraviolet source of 15KW, the wave-length coverage of ultraviolet light are UVA wave bands, 20~25 seconds hardening times, and pass through low temperature（60℃） It is irradiated, under the premise of the conductive metal layer in ensureing step S3 is successful, preferably parasitic material can be carried out Performance completely cures.

Module realizes monitor terminal remote control cleaning device to photovoltaic to the photovoltaic system of the application by radio communication Component is cleaned, and the trouble manually cleaned is eliminated, and improves the generated output of photovoltaic module, while using high-pressure washing, The temperature that photovoltaic module can also be reduced improves its service life；It is coupled with the superposition of opening void region by parasitic element, Realize the good gain characteristic of antenna assembly, improve the communication quality of wireless communication module, make sub- control module in time from Monitor terminal acquisition instruction information；It is uncorrelated to weaken by cutting down the opening void region of parasitic element side Extra frequency range, reduce the consume of gain, promote the actual gain of target frequency bands.

Embodiment 2

On the basis of embodiment 1, the present embodiment 2 provides a kind of working method of photovoltaic system, including：Monitor terminal and each Sub- photovoltaic devices；The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning Device；The sub- control module is suitable for module by radio communication and receives the command information of monitor terminal, and controls cleaning device High pressure water is sprayed to photovoltaic module surface.

Concrete structure and implementation process about photovoltaic system are discussed referring to the correlation of embodiment 1, and details are not described herein again.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's Protection domain.

Claims (9)

1. a kind of photovoltaic system, which is characterized in that including：

Monitor terminal and each sub- photovoltaic devices；

The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；

The sub- control module be suitable for by radio communication module receive monitor terminal command information, and control cleaning device to Spray high pressure water in photovoltaic module surface.

2. according to the photovoltaic system described in claim 1, which is characterized in that

The sub- control module is also associated with temperature sensor, the surface temperature for detecting photovoltaic module；

When temperature detection value is more than preset value, the sub- control module control driving cleaning device is sprayed to photovoltaic module surface High pressure water.

3. according to the photovoltaic system described in claim 2, which is characterized in that

The wireless communication module includes：Antenna assembly；

The antenna assembly includes：Antenna substrate module and the conductive metal layer in antenna substrate module；

It is suitable for etching several opening void regions on the conductive metal layer；

Parasitic element is equipped between the void region that is open；And

One layer of conductive metal film is covered on the surface of conductive metal layer and parasitic element.

4. photovoltaic system according to claim 3, which is characterized in that

Print mixed ink on the corresponding position of the antenna substrate module, and it is molten after mixed ink solidification to be put into metal salt In liquid, to form the conductive metal layer on mixed ink surface.

5. according to the photovoltaic system described in claim 3, which is characterized in that

The component of the mixed ink includes by mass fraction：40 mass parts of iron, 10 mass parts of metal oxide, phenoxy resin 10 Mass parts, 10 mass parts of glass composition, 9 mass parts of butanone, 8 mass parts of α terpinols, 8 mass parts of butyl carbitol acetate, 5 mass parts of reducing agent.

6. photovoltaic system according to claim 5, which is characterized in that

The metal oxide is selected from copper oxide, aluminium oxide and its mixture.

7. photovoltaic system according to claim 5, which is characterized in that

The glass composition includes：40% B₂O₃, 10% P₂O₅、SiO₂And its mixture, the CaO of 20-30%, 20- 50% Ln₂O₃；Wherein Ln is selected from rare earth element and its mixture.

8. photovoltaic system according to claim 3, which is characterized in that

Parasitic material lotion is printed between the void region that is open, and the parasitic element is formed by curing using ultraviolet light；

The cured process conditions of ultraviolet light include：The ultraviolet source that two groups of power are 10~15KW, the wavelength of ultraviolet light Ranging from UVA wave bands, hardening time are 20~25 seconds.

9. a kind of working method of photovoltaic system, which is characterized in that including：

Monitor terminal and each sub- photovoltaic devices；

The sub- photovoltaic devices include：Sub- control module, the photovoltaic module being connected respectively with sub- control module, cleaning device；

The sub- control module be suitable for by radio communication module receive monitor terminal command information, and control cleaning device to Spray high pressure water in photovoltaic module surface.