TWI622266B - Dust detection system and method applied to solar panel - Google Patents

Abstract

The present invention relates to a dust detecting system and method for a solar cell, comprising a control device and a sensing device, the control device being connected to the sensing device, the control device receiving the sensing device according to the environment sunshine A first daylight information and a second daylight information are measured and processed to generate a result information for reference, and the user is immediately notified when the solar panel needs to be cleaned, and the ambient amount of sunlight is detected by the sensing device. In order to determine whether there is a large amount of falling dust affecting the power generation of the solar panel, and immediately informing the user to clean the solar panel, thereby achieving the purpose of convenient use.

Description

Dust detection system and method applied to solar panel

The invention relates to a solar cell panel detecting system and method, and more particularly to a dust detecting system and method applied to a solar panel.

Due to the dramatic changes in the global climate, people have begun to pay attention to the issue of environmental protection, especially the reduction of carbon emissions (hereinafter referred to as carbon reduction) is one of the primary issues of environmental protection. For carbon reduction, the first priority is to improve power generation. In the current way, in terms of power generation in Taiwan, the way to occupy the largest power generation in Taiwan is from thermal power generation, followed by nuclear power generation. The remaining power generation comes from water, wind, tidal, solar and other power generation methods. In the power generation process, a large amount of carbon emissions are generated, which in turn affects the environment. Therefore, green power generation has been promoted in recent years. Among them, solar power generation is more environmentally friendly and the power generation system is more convenient to set up. Therefore, solar power generation has become a global Even the power generation methods that Taiwan attaches importance to.

Solar power is generated by a solar panel when it receives light such as sunlight. It converts light energy into electrical energy for home use. Since the solar panel is installed outdoors, after a period of use, the solar panel will be used. Covering a lot of dust and affecting the amount of power generation, therefore, there is a method for detecting dust in the prior art, connecting a first solar panel, a second solar panel and a sprinkling device to a control device, respectively, The control device drives the sprinkler device to clean the second solar panel for a certain period of time, and the first solar panel does not clean. Therefore, the dust on the first solar panel is more and more, thereby The amount of power generated by the first solar panel and the second solar panel is compared for the user to refer to when to clean the solar panel to prevent the amount of power generated by the solar panel from being affected.

However, in the prior art, in the method of detecting falling dust, two solar panels are required for comparison, which is not only inconvenient to use, but also causes an increase in the cost of the user, thereby affecting the user's willingness to use solar power to generate electricity. There is room for improvement in technology.

In view of the above problems in the prior art, the main object of the present invention is to provide a dust detecting system and method for applying solar panels to determine whether a solar panel covers a large amount of ash layer by detecting the amount of sunshine, and to notify immediately The user cleans the solar panel to achieve convenient use.

A main technical means for achieving the above object is to detect the dust detecting method applied to the solar panel, mainly by connecting a sensing device to a control device, and the following steps are performed by the control device: Receiving a first sunshine information and a second sunshine information; generating a result information for reference according to the first sunshine information and the second sunshine information.

According to the above method, the control device processes the received first sunshine information and the second sunshine information, and generates the result information to immediately notify the user to clean the solar panel, thereby achieving convenient use.

Another main technical means for achieving the above object is the dust detecting system applied to the solar panel, comprising: a sensing device for detecting the amount of environmental sunshine and outputting a first sunshine Information and a second daylight information; a control device coupled to the sensing device, the control device processing the first daylight information and the second daylight information, and determining the first daylight information and the second daylight Whether the difference between the information is greater than a set reference value to generate a result information for reference.

According to the above configuration, the control device processes the first sunshine information and the second sunshine information output by the sensing device, and determines whether the difference between the first and second sunshine information is greater than the set reference value to generate the result. Information and promptly notify users to clean the solar panels for convenient use.

The dust detecting system of the present invention is applied to the solar cell panel. Referring to FIG. 1 , the device includes a sensing device 10 and a control device 20 . The control device 20 is connected to the sensing device 10 . Further comprising a sprinkler device 30 and one or more mobile devices 40, the sprinkler device 30 is coupled to the control device 20, the mobile device 40 is coupled to the control device 20, and the control device 20 transmits a notification to the mobile device 40, to notify the user to clean the solar panel; the control device 20 can be a desktop computer or a notebook computer; the mobile device 40 can be a smart phone or a tablet computer.

The sensing device 10 has a first solar meter 11 and a driving module 12, and the first solar meter 11 and the driving module 12 are respectively connected to the control device 20. The sensing device 10 has a transparent cover (Fig. The first daylight meter 11 is installed in the transparent cover. In this embodiment, the driving module 12 can be used to move the first solar meter 11 and the transparent cover of the driving module 12 when the driving When receiving a driving signal sent by the control device 20 at a fixed time, such as noon time, the module 12 moves the first sunshine meter 11 or the transparent cover of the sensing device 10 to expose the first daylight meter 11 Outside the transparent cover of the sensing device 10, and sensing the amount of ambient sunlight that is not covered by the transparent cover; the drive module 12 can be a mobile platform module or a motor module.

In this embodiment, the sensing device 10 is installed outdoors, and the first solar meter 11 is placed in the transparent cover of the sensing device 10 to sense the amount of ambient sunlight that is shielded by the transparent cover. There is dust on the transparent cover. Therefore, the intensity of the sunshine sensed by the first daylight meter 11 is affected by dust, and the first daylight meter 11 outputs a first daylight information to the control device 20.

When the time interval is normal, such as every 1 day, 2 days, or 3 days, etc., the time can be set according to the actual environment, but not limited thereto, and can be set by the user. In this embodiment, For example, the control device 20 drives the driving module 12 to expose the first solar meter 11 to the outside of the transparent cover. The first daylight meter 11 detects the environmental sunshine without the transparent cover. And correspondingly outputting a second daylight information to the control device 20, since the first daylight meter 11 is exposed outside the transparent cover, the detected sunlight intensity is not affected by the dust on the transparent cover. After the first daylight meter 11 is detected outside the transparent cover for a period of time, the control device 20 drives the drive module 12 to retract the first daylight meter 11 into the transparent cover, so that the first daylight meter 11 The first daylight meter 11 is exposed to the transparent outer cover and is exposed to the transparent outer cover, and is not exposed to the outdoor dust. In the embodiment, the first daylight meter 11 is exposed to the transparent cover and is detected. Environmental sunshine The time may be 5 minutes or 10 minutes, but not limited to, in accordance with the needs of users can be set.

Referring to FIG. 2, the control device 20 processes the received first sunshine information and the second sunshine information, and changes the received first sunshine information P1 and second sunshine information P2 into different patterns. In the embodiment, the method is presented in the form of a waveform diagram, and by determining the change of the first sunshine information P1 and the second sunshine information P2, when the solar panel needs to be cleaned, the notification is immediately notified. Cleaning.

Taking the first day as an example, since the dust on the transparent cover of the sensing device 10 is not much when used on the first day, the control device 20 according to the first day of the first day information P1 and the second daylight information. P2, to generate a daylight difference value G1 of the first day, and determine that the sunshine day difference value G1 of the first day is smaller than the set reference value according to a preset set reference value, correspondingly generating a representative that does not need to clean the solar panel A result message, and the control device 20 does not notify the user.

When the next day, the control device 20 generates the sunshine difference value G2 of the next day according to the first daylight information P1 and the second daylight information P2 of the next day, and determines the sunshine of the next day according to the set reference value. The difference value G2 is smaller than the set reference value, and the first result information is generated correspondingly. Therefore, the control device 20 does not notify the user; in this embodiment, more dust has fallen on the sensing device on the second day. 10 transparent cover, so the first day of the second day information P1 will be lower than the first day of the first day information P1.

When the third day is reached, the dust falling on the transparent cover of the sensing device 10 is very large, and the control device 20 generates the third day according to the first daylight information P1 and the second daylight information P2 of the third day. The sunshine difference value G3, the control device 20 determines, according to the set reference value, that the sunshine difference value G3 of the third day is greater than the set reference value, correspondingly generates a second result information indicating that the solar panel needs to be cleaned, and immediately notifies the user to clean solar panel.

In the present embodiment, the above-mentioned changes and differences are merely examples and are not limited. Actual dust accumulation conditions may be affected by environmental conditions, so the actual cleaning time may be long or fast, and the set reference value is It can be set according to the actual environment to suit different environments and improve the effect of notifications.

In this embodiment, when the control device 20 generates the sunshine difference value according to the received first sunshine information and the second sunshine information, and compares with the set reference value, when the sunshine difference value is less than the set reference value And generating a first result information indicating that the solar panel does not need to be cleaned. Conversely, when the sunshine difference value is greater than the set reference value, generating second result information representing that the solar panel needs to be cleaned, and the second result information is generated. The E-mail is sent via the network, or an instant message is sent to the user's mobile device 40 to immediately notify the user to clean the solar panel.

As can be seen from the above, the sensing device 10 senses the amount of sunshine of the environment, and transmits the first sunshine information and the second sunshine information to the control device 20 for processing to generate the sunshine difference value, and when When the sunshine difference value is greater than the set reference value, the second result information representing the need to clean the solar panel is immediately sent to the user's mobile device 40 by means of E-mail or SMS, so as to immediately notify the user to clean the solar energy. The panel determines the time when the solar panel should be cleaned by detecting the amount of sunshine to achieve convenient use.

In this embodiment, after the control device 20 notifies the user by means of E-mail or SMS, and after the user cleans the solar panel, the control device 20 sends a control signal to the sprinkler 30. In order to spray the sprinkler device 30 and clean the transparent cover of the sensing device 10, the transparent cover of the sensing device 10 is restored to a state free of dust.

In this embodiment, the sprinkler device 30 may be omitted. After the user cleans all the solar panels, the transparent cover of the sensing device 10 is directly cleaned manually, or the transparent cover is directly replaced to improve detection. The ability to fall into the dust.

Based on the above, a method for detecting dust detection of a solar panel can be summarized, and the sensing device 10 is mainly connected by the control device 20, and the following steps are performed by the control device 20: receiving the sensing device 10 according to A first daylight information and a second daylight information (S10) detected by the environmental sunshine quantity; the control device 20 generates a first result information for reference according to the first daylight information and the second daylight information (S20) ).

When the above steps are performed to the step of "the control device 20 generates a first result information for reference (S20) based on the first daylight information and the second daylight information, the control device 20 further performs the following steps: The control device 20 generates a daily sunshine difference value according to the difference between the first sunshine information and the second sunshine information (S201); in this embodiment, since the first sunshine information and the second sunshine information result of each day are Different from each other, therefore, the sunshine difference value of each day is also different; the control device 20 determines whether the sunshine difference value is greater than the set reference value according to a preset set reference value (S202); The first result information of the solar panel is cleaned for reference (S203); in this embodiment, when the first result information is generated, the control device 20 does not notify the user; if so, the representative needs to clean the solar panel A second result information, and immediately informs the user to clean the solar panel (S204).

In this embodiment, the control device 20 is further connected to a sprinkler device 30, and is coupled to a mobile device 40 via a network. When a second result information representative of the need to clean the solar panel is generated, the control device 20 is E- The method of mail or newsletter transmits the second result information to the user's mobile device 40 to immediately notify the user to clean the solar panel, and after the user cleans the solar panel, the control device 40 further sends a control. Signaling to the sprinkler device 30 causes the sprinkler device 30 to clean the transparent cover of the sensing device 10.

With regard to the second preferred embodiment of the dust detecting system of the present invention applied to a solar panel, as shown in FIG. 5, the second preferred embodiment is substantially the same as the first preferred embodiment, but the second preferred embodiment The sensing device 10A of the example is different from the first preferred embodiment. The sensing device 10A of the second preferred embodiment does not have the driving module 12, and is further provided with a second daylight meter 13A, the second daylight meter 13A is disposed outside the transparent cover of the sensing device 10, and is connected to the control device 20. The first sunshine meter 11A is configured to sense the amount of ambient sunlight that is shielded by the transparent cover, and output corresponding first sunshine information P3. The second daylight meter 13A is configured to sense the amount of ambient sunlight that is not covered by the transparent cover, and output corresponding second daylight information P4; the second daylight meter 13A is directly exposed to the environment to directly sense no The amount of ambient sunlight shaded by the transparent cover.

The relationship between the first sunshine information P3 transmitted by the first daylight meter 11A and the second daylight information P4 transmitted by the second daylight meter 13A is as shown in FIG. 6.

Since the first daylight meter 11A is placed in the transparent cover, it is not affected by dust, and the second daylight meter 13A is directly exposed to the outdoors and is affected by dust. When the first day is used, dust is just used. The amount of accumulation is less. Therefore, the sunshine difference value H1 between the first sunshine information P3 and the second sunshine information P4 is smaller than a preset setting reference value, and the control device 20 correspondingly generates a representative that does not need to clean the solar panel. A result message is for reference and the user is not notified.

When the next day, there is gradually accumulation of dust. Since the second daylight meter 13A is exposed to the outdoors, it is more affected by dust. Therefore, the difference in sunshine value between the first sunshine information P3 and the second sunshine information P4 is H2. There is a significant difference, the control device 20 compares the sunshine difference value H2 of the next day with the set reference value, and determines that the sunshine difference value H2 of the next day is smaller than the set reference value, and the control device 20 generates a representative representative. The first result information of the solar panel needs to be cleaned for reference without notifying the user.

On the third day, although the transparent cover of the sensing device 10 also has dust accumulation, which affects the amount of environmental sunshine detected by the first daylight meter 11A, the second daylight meter 13A is exposed to the outdoors, Directly affected by environmental dust, the control device 20 obtains the sunshine difference value H3 of the third day according to the first daylight information P3 and the second daylight information P4 of the third day, and compares it with the set reference value, and then determines The third day sunshine difference value H3 is greater than the set reference value. Therefore, the control device 20 correspondingly generates second result information representing that the solar panel needs to be cleaned, and the control device 20 sends the second result information to send an E-mail or The way of the newsletter is transmitted to the user's mobile device 40 to immediately notify the user to clean the solar panel.

In this embodiment, the control device 20 sends the control signal to the sprinkler device 30 during a cleaning time, and causes the sprinkler device 30 to spray water to clean the transparent cover of the sensing device 10, so that the sensing device 10 The transparent cover is restored to the state of no dust cover. The cleaning time can be set to 1 hour, 3 hours or 6 hours. However, the cleaning time is only an example and is not limited. The cleaning time can be set by the user according to the environmental conditions. The purpose of the transparent cover of the sensing device 10 is to ensure that the transparent cover is kept in a state of no dust, so that the amount of sunlight detected by the first daylight meter 11A is a sun exposure value that is not blocked by dust.

In this embodiment, the sensing device 10A does not need to provide the transparent cover, and the control device 20 sends the control signal to the sprinkling device 30 to directly clean the first sensing device 10 during the cleaning time. The daylight meter 11A causes the amount of sunshine detected by the first daylight meter 11A to be a daylight value that is not obscured by dust.

In this embodiment, after the user cleans all the solar panels, the second daylight meter 13A is directly cleaned manually, and the second daylight meter 13A is restored to a clean state.

The control device 20 performs a determination process according to the first daylight information and the second daylight information, so that when the solar panel needs to be cleaned, the user is immediately notified to clean, and when the amount of sunshine is detected, it is judged when it should be cleaned. Solar panels for easy use; in addition, by promptly informing the user to clean the solar panels, so that when the solar panel covers too much dust, the solar panel can be cleaned immediately to make the solar panels The power generation efficiency is restored to the point where there is no dust coverage, thereby optimizing the power generation efficiency of the solar cell.

10,10A‧‧‧Sensing device

11,11A‧‧‧ first day of care

12‧‧‧Drive Module

13A‧‧‧ second day of care

20‧‧‧Control device

30‧‧‧ sprinkler

40‧‧‧Mobile devices

1 is a block diagram of a system architecture of a first preferred embodiment of the present invention. Fig. 2 is a graph showing a comparison of sunshine in the first preferred embodiment of the present invention. Figure 3 is a first flow chart of a first preferred embodiment of the present invention. Figure 4 is a second flow chart of the first preferred embodiment of the present invention. Figure 5 is a block diagram of a system architecture of a second preferred embodiment of the present invention. Figure 6 is a graph showing a comparison of sunshine in a second preferred embodiment of the present invention.

Claims (9)

A method for detecting dust detection of a solar panel is mainly connected to a sensing device and a sprinkling device by a control device, and the control device performs the following steps: receiving a first sunshine information and a first The second day of the information, the time of the second daylight information is later than the time of the first daylight information; according to the first daylight information and the second daylight information, a first result information or a second result information is generated for reference; The second result information transmits a control signal to the sprinkler device, and the sprinkler device cleans the sensing device. The method for detecting a dust detection applied to a solar panel according to claim 1, wherein when the step is performed to "generate a first result information or a first according to the first sunshine information and the second sunshine information In the step of the second result information for reference, the control device further performs the following steps: generating a daylight difference value according to the difference between the first daylight information and the second daylight information; according to a preset set reference value Determining whether the sunshine difference value is greater than the set reference value; if not, generating the first result information representing that the solar panel is not required to be cleaned for reference; if so, generating the second result representative of the need to clean the solar panel Information and instant notification to users. The method for detecting dust detection applied to a solar panel according to claim 2, wherein a mobile device is further provided, and the control device is connected to the mobile device through a network, and the control device represents that the solar panel needs to be cleaned. The second result information is sent to the mobile device by E-mail or SMS. A dust detecting system applied to a solar panel, comprising: a sensing device for detecting an amount of ambient sunshine and outputting a first sunshine information and a second sunshine information, the second sunshine information being later than the first sunshine information; a sprinkler device, For cleaning the sensing device; a control device connected to the sensing device and the sprinkling device, the control device processing the first sunshine information and the second sunshine information, and determining the first sunshine information And whether the difference between the second daylight information is greater than a set reference value to generate a first result information or a second result information for reference, and transmitting a control signal to the sprinkler according to the second result information, The sprinkler is caused to clean the sensing device. The dust detecting system for a solar panel according to claim 4, wherein the sensing device comprises a transparent cover, a first daylight meter and a driving module, wherein the first daylight meter and the driving module respectively Connected to the control device; the first daylight meter detects the amount of ambient sunlight that is shielded by the transparent cover of the sensing device, and outputs the first daylight information to the control device. The dust detecting system for a solar panel according to claim 5, wherein the control device sends a driving signal to the driving module at a fixed time to cause the driving module to move the first sunshine meter or move The transparent cover of the sensing device exposes the first daylight meter to the outside of the transparent cover of the sensing device, so that the first daylight meter senses the amount of ambient sunlight that is not covered by the transparent cover of the sensing device, and outputs The second daylight information is sent to the control device. The dust detecting system for a solar panel according to claim 4, wherein the sensing device comprises a transparent cover, a first daylight meter and a second daylight meter, wherein the first daylight meter is mounted on the sensing The transparent cover of the device detects the amount of ambient sunlight that is shielded by the transparent cover of the sensing device, and outputs the first sunshine information to the control device; the second sunshine meter is mounted on the transparent cover of the sensing device In addition, the amount of ambient sunlight that is shielded by the transparent cover without the sensing device is detected, and the second daylight information is output to the control device. The dust detecting system for solar panel according to any one of claims 6 or 7, wherein the control device generates a daylight difference value according to a difference between the first daylight information and the second daylight information. And comparing with the set reference value, when the sunshine difference value is less than the set reference value, the control device generates first result information representing that the solar panel is not required to be cleaned for reference; when the sunshine difference value is greater than the set reference Value, the control device generates second result information representative of the need to clean the solar panel. The dust detecting system for solar panel according to claim 8, further comprising a mobile device and connected to the control device via a network, the control device representing the second result information that needs to be cleaned of the solar panel Send it to the mobile device by E-mail or SMS for immediate reference.