CN113501590A

CN113501590A - Sewage treatment system based on solar energy

Info

Publication number: CN113501590A
Application number: CN202111059668.XA
Authority: CN
Inventors: 赖海涛; 赵江华; 刘锐
Original assignee: Beijing Qianhe Crystal Core Electronic Technology Co ltd
Current assignee: Beijing Qianhe Crystal Core Electronic Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2021-10-15
Anticipated expiration: 2041-09-10
Also published as: CN113501590B

Abstract

The invention relates to a sewage treatment system based on solar energy, which comprises a sewage treatment device, a sewage treatment device and a control device, wherein the sewage treatment device is used for treating sewage; the solid filtering device is arranged above the sewage treatment device, a first permeable conveying belt, a second permeable conveying belt connected with the first permeable conveying belt and a solar energy conversion device are arranged in the solid filtering device and used for converting collected solar energy into electric energy, and the energy storage device is used for storing the electric energy converted by the solar energy conversion device; the recovery device is connected with the water outlet pipe and the water inlet of the solid filtering device and is used for recovering sewage which does not meet the standard; and the central control unit is used for adjusting the operation parameters of all the components according to the energy storage capacity and the filtering residual quantity. The invention controls the operation of each component by arranging the central control unit so as to ensure that the sewage treated by the sewage treatment system reaches the standard.

Description

Sewage treatment system based on solar energy

Technical Field

The invention relates to the field of sewage treatment, in particular to a sewage treatment system based on solar energy.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of draining a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like. The existing sewage treatment adopts a large number of electrical equipment and large energy consumption, which causes that sewage treatment projects in many places are in a stagnation or semi-stagnation state due to overlarge energy consumption and poor economic benefit.

Solar energy is used as the largest renewable natural resource of human beings, has the characteristics of cleanness, low price and inexhaustibility, and becomes an important direction for solving the dual crisis of energy and environment.

Aiming at the sewage pollution generated by a small-sized farm, the breeding sewage is high-concentration organic wastewater, and the breeding sewage is effectively treated in order to protect the ecological environment. However, the cost of the conventional treatment equipment is too high for a small farm, not only is the power consumption huge, but also the maintenance cost is extremely high, and the conventional treatment equipment cannot be popularized and used, so how to design a sewage treatment system capable of efficiently utilizing solar energy resources to support daily work by utilizing electric energy generated by solar energy, thereby reducing the electric energy cost of a sewage treatment plant becomes a problem to be solved by technicians in the industry.

Disclosure of Invention

Therefore, the invention provides a sewage treatment system based on solar energy, which can solve the technical problem that the sewage treatment efficiency cannot be controlled according to the obtained electric energy converted from the solar energy.

In order to achieve the above object, the present invention provides a solar-based sewage treatment system, comprising:

a sewage treatment device;

the solid filtering device is arranged above the sewage treatment device and used for filtering solid wastes in sewage, a first permeable conveying belt and a second permeable conveying belt connected with the first permeable conveying belt are arranged in the solid filtering device, the first permeable conveying belt is connected with a first power device, a first power mechanism is used for providing power for adjusting the transmission angle of the first permeable conveying belt, the second permeable conveying belt is connected with a second power mechanism, and the second power mechanism is used for providing power for adjusting the transmission angle of the second permeable conveying belt;

the solar energy conversion device is arranged above the solid filtering device and used for converting the collected solar energy into electric energy, wherein a solar energy collecting mechanism and an angle adjusting mechanism are arranged below the solar energy collecting mechanism in the solar energy conversion device, the angle adjusting mechanism is used for adjusting the collecting angle of the solar energy collecting plate, and a current detection mechanism is arranged in the solar energy conversion device and used for acquiring current information of solar energy conversion;

the energy storage device is used for storing the electric energy converted by the solar energy conversion device;

the recovery device is connected with a water outlet pipe arranged between the sewage treatment device and the solid filtering device and a water inlet of the solid filtering device and is used for recovering sewage which does not meet the standard;

the central control unit is respectively connected with the solid filtering device, the solar energy conversion device and the recovery device and is used for adjusting the operation parameters of all the components according to the energy storage capacity and the filtering residual quantity;

the detection device is arranged at the water inlet of the water outlet pipe and used for acquiring filtering residual quantity, the filtering residual quantity acquired by the central control unit within preset time through the detection device is larger than a preset value, the central control unit judges that a conveying pump of the recovery device is started, the capacity of recovered sewage is acquired according to the filtering residual quantity and is recovered to the solid filtering device for secondary filtering, the filtering residual quantity acquired by the central control unit within preset time through the detection device is smaller than the preset value, and the central control unit controls the conveying angle of the second permeable conveying belt by adjusting the power parameter of the second power device and controls the conveying angle of the first permeable conveying belt by adjusting the power parameter of the first power device;

when the current acquired by the central control unit through the current sensor is larger than a preset value, the central control unit judges that the current electric energy converted by the solar energy conversion device meets a preset standard, and when the current acquired by the central control unit through the current sensor is smaller than the preset value, the central control unit adjusts the angle of the solar energy acquisition panel through the control angle adjusting mechanism according to the current solar illumination intensity, and starts the energy storage device to provide electric energy for the solid filtering device.

Further, the detection device comprises an adsorption net and a weight sensor, wherein the adsorption net is arranged at a water inlet of a water outlet pipe and used for adsorbing unfiltered solids, the weight sensor is arranged on the adsorption net and used for acquiring a filtration residual quantity, a central control unit acquires the filtration residual quantity on the adsorption net within a preset time t and sets mt = M1-M2, M1 is the weight of the adsorption net when the central control unit starts to detect, M2 is the weight of the central control unit passing through the adsorption net within the preset time t, the central control unit presets a filtration residual quantity M, and the central control unit adjusts the conveying angle of the first permeable conveying belt and the conveying angle of the second permeable conveying belt according to the comparison between the acquired filtration residual quantity and the preset filtration residual quantity, wherein,

when mt is less than or equal to M1, the central control unit increases the conveying angle theta 20 to theta 21 of the second permeable conveying belt, and simultaneously decreases the conveying angle theta 10 to theta 11 of the first permeable conveying belt;

when the M1 is more than mt and less than M2, the central control unit judges that the current solid filtering degree meets the preset standard;

when the M2 is not less than mt and not more than M3, the central control unit increases the conveying angles theta 10 to theta 12 of the first permeable conveying belt and simultaneously decreases the conveying angles theta 20 to theta 22 of the second permeable conveying belt;

mt is larger than M3, the central control unit judges that a delivery pump of the recovery device is started, and the current unqualified filtered sewage is recovered;

the central control unit presets a filtering residual quantity M, and sets a first preset filtering residual quantity M1, a second preset filtering residual quantity M2 and a third preset filtering residual quantity M3.

Further, when the filtration residual quantity acquired by the central control unit is smaller than or equal to a first preset filtration residual quantity, the central control unit increases the conveying angle theta 20 of the second permeable conveyer belt to theta 21, wherein theta 21= theta 20 x (1+ (M1-mt)/M1), and simultaneously decreases the conveying angle theta 10 of the first permeable conveyer belt to theta 11, and theta 11= theta 10 x (1- (M1-mt)/M1) is set;

when the filtration residual quantity acquired by the central control unit is larger than or equal to a first preset filtration residual quantity and smaller than or equal to a second preset filtration residual quantity, the central control unit increases the conveying angle theta 10 of the first permeable conveying belt to theta 12, wherein theta 12= theta 10 x (1+ (M2-mt) x (mt-M1)/(M1 × M2)), and simultaneously decreases the conveying angle theta 20 to theta 22 of the second permeable conveying belt, and theta 22= theta 20 x (1- (M2-mt) x (mt-M1)/(M1 × M2)) is set.

Further, the central control unit acquires the adjusted conveying angle theta 1i of the first permeable conveying belt, the central control unit presets a conveying angle E of the first permeable conveying belt according to the acquired adjusted conveying angle theta 1i of the first permeable conveying belt and the central control unit, and the central control unit adjusts the power parameters of the first power device,

when theta 1i is larger than or equal to E, the central control unit reduces the power parameters F1 to F11 of the first power device, and sets F11= F1 x (1- (theta 1 i-E)/E);

when θ 1i < E, the central control unit increases the first power plant power parameter F1 to F12, setting F12= F1 × (1+ (E- θ 1 i)/E);

wherein i =1, 2.

Further, the central control unit acquires the adjusted conveying angle theta 2j of the second permeable conveying belt, the central control unit presets a conveying angle F of the second permeable conveying belt according to the acquired adjusted conveying angle theta 2j of the second permeable conveying belt and the central control unit, and the central control unit adjusts power parameters of a second power device,

when theta 2j is larger than or equal to F, the central control unit reduces the power parameters F2-F21 of the second power device, and sets F21= F2 x (1- (theta 2 j-F)/F);

when θ 2j < F, the central control unit increases the second power plant power parameter F2 to F22, setting F22= F2 × (1+ (F- θ 2 j)/F);

wherein j =1, 2.

Further, the central control unit presets a volume V0 of the recovered sewage, and adjusts the volume of the recovered sewage according to the comparison between the obtained filtration residual amount mt and a preset residual amount standard value Y0, wherein,

when mt is less than or equal to Y0, the central control unit reduces the volume of the recovered sewage from V0 to V1, and sets V1= V0 x (1- (Y0-mt)/Y0);

when mt > Y0, the central control unit increases the volume of recovered sewage V0 to V2, setting V2= V0 × (1- (mt-Y0)/Y0).

Further, the central control unit adjusts the conveying angle θ 1i of the first permeable conveying belt to θ 1i 'through the acquired real-time recovered sewage capacity Vr and a preset recovered sewage capacity standard value T0 of the central control unit, sets θ 1 i' = θ 1 × (1+ TJ), wherein TJ is a conveying angle adjusting parameter of the first permeable conveying belt, and sets a conveying angle adjusting parameter TJ = (Vr-T0)/T0 of the first permeable conveying belt, wherein r =1, 2.

Further, the central control unit presets a current standard value Q, compares the current Q acquired by the current detection mechanism with a preset current, and determines whether the electric energy converted by the solar energy conversion device meets the preset standard, wherein,

q is less than or equal to Q1, the central control unit judges that the electric energy converted by the solar energy conversion device does not meet the preset standard, and the central control unit starts the energy storage device to supply energy to the system;

when Q1 is more than Q and less than Q2, the central control unit judges that the electric energy converted by the solar energy conversion device does not meet a preset standard, the central control unit adjusts the angle of the solar energy collecting plate, reduces the real-time conveying angle theta 'of the first permeable conveying belt to theta' 1, and sets theta '1 = theta' × (1- (Q2-Q)/Q2);

when Q is larger than or equal to Q2, the central control unit judges that the electric energy converted by the solar energy conversion device meets a preset standard;

the central control unit is preset with a current standard value Q, a first preset current standard value Q1 and a second preset current standard value Q2.

Further, when the central control unit determines that the electric energy converted by the solar energy conversion device meets a preset standard, the central control unit compares the energy storage capacity h of the energy storage device with the energy storage capacity W of the energy storage device of the central control unit, wherein,

when h is less than or equal to W, the central control unit judges that the energy storage capacity of the energy storage device is insufficient, and the central control unit adjusts the acquisition angle of the solar energy acquisition panel;

when q is less than W, the central control unit judges that the energy storage capacity of the energy storage device is sufficient, and the central control unit does not adjust the collection angle of the solar collection panel.

Furthermore, An illumination sensing device is arranged on the solar energy collecting plate, the illumination sensing device comprises a central sensing point and a plurality of auxiliary sensing points which are the same in distance with the central sensing point and are used for acquiring the direction with the strongest solar illumination, the central control unit acquires the illumination intensity of each auxiliary sensing point, wherein the illumination intensity of the first auxiliary sensing point A1 and the illumination intensity of the second auxiliary sensing point A2. the illumination intensity of the nth auxiliary sensing point An, the central control unit acquires the maximum illumination intensity of the ith auxiliary sensing point Aimax, the central control unit acquires the angle formed by the connecting line of the ith auxiliary point and the central sensing point and the horizontal plane as An illumination offset angle theta g, power devices are respectively arranged at four corners of the bottom of the solar energy collecting plate and are used for adjusting the angle of the solar energy collecting plate, wherein the power device arranged at the upper left corner is a third power device, the power device arranged at the upper right corner is a fourth power mechanism, the power device arranged at the lower right corner is a fifth power mechanism, the power device arranged at the lower left corner is a sixth power mechanism, when the central control unit judges that the angle of the solar energy collecting plate is adjusted, the central control unit adjusts the third power mechanism, the fourth power mechanism, the fifth power mechanism and the sixth power mechanism according to the illumination offset angle and the preset offset angle of the central control unit, wherein,

when thetag < G1, the central control unit decreases the power parameters F3 to F31 of the third power mechanism, setting F31= F3 × (1-sin thetag);

when G1 is not less than or equal to theta G is not less than or equal to G2, the central control unit reduces power parameters F4 to F41 of the fourth power mechanism, and sets F41= F3 x (1- | cos theta G |);

when G2 < thetag < G3, the central control unit reduces the power parameters F5 to F31 of the fifth power mechanism, and sets F51= F5 × (1-sin (thetag-G2));

when G3 is not less than or equal to theta G is not less than or equal to G4, the central control unit reduces power parameters F6 to F61 of the sixth power mechanism, and sets F61= F6 x (1- | cos (theta G-G2) |);

the central control unit presets an offset angle G, and sets a first preset offset angle G1, a second preset offset angle G2, a third preset offset angle G3 and a fourth preset offset angle G4.

Compared with the prior art, the invention has the beneficial effects that the central control unit is arranged, the filtration residual quantity obtained by the central control unit within the preset time through the detection device is larger than the preset value, the central control unit increases the conveying angle of the first permeable conveyer belt by increasing the power parameter of the first power device, the central control unit judges that the conveying pump of the recovery device is started, the recovered sewage capacity is obtained according to the filtration residual quantity and is recovered to the solid filtering device for filtration again, the filtration residual quantity obtained by the central control unit within the preset time through the detection device is smaller than the preset value, and the conveying angle of the second permeable conveyer belt is increased by increasing the power parameter of the second power device; when the current acquired by the central control unit through the current sensor is larger than a preset value, the central control unit judges that the current electric energy converted by the solar energy conversion device meets a preset standard, and when the current acquired by the central control unit through the current sensor is smaller than the preset value, the central control unit adjusts the angle of the solar energy collection plate through the control angle adjusting mechanism according to the current solar radiation irradiation intensity or starts the energy storage device to provide electric energy for the solid filtering device, wherein when the central control unit judges that the current electric energy converted by the solar energy conversion device meets the preset standard, the central control unit acquires the energy storage capacity of the energy storage device, if the energy storage capacity is higher than the preset value, the central control unit does not adjust the angle of the solar energy collection plate, and if the energy storage capacity is lower than the preset value, the central control unit adjusts the angle of the solar energy collection plate.

Particularly, the invention is provided with a detection device at the pipe orifice of the water outlet pipe for detecting the solid residue which is not filtered after being filtered by the first permeable conveyer belt and the second permeable conveyer belt, the central control unit divides the preset filtering residue into two standards and compares the obtained real-time filtering residue with the preset filtering residue, wherein, when the real-time filtering residue is less than or equal to the first preset filtering residue, the current solid filtering condition is better, the central control unit increases the conveying angle of the second permeable conveyer belt by taking the ratio of the difference between the filtering residue and the first preset filtering residue to the first preset filtering residue as the standard, and reduces the conveying angle of the first permeable conveyer belt by taking the ratio of the difference between the filtering residue and the first preset filtering residue to the first preset filtering residue as the standard, so as to improve the filtering efficiency and shorten the filtering time, energy is saved, the real-time filtering residual quantity obtained by the central control unit is between a first preset filtering residual quantity and a second preset filtering residual quantity, which shows that the current filtering effect and the filtering efficiency are better, the central control unit judges that the current filtering meets the preset standard, the relevant parts are not adjusted, the real-time filtering residual quantity obtained by the central control unit is between the second preset filtering residual quantity and a third filtering residual quantity, which shows that the current solid filtering effect is poorer, the central control unit increases the water-permeable conveying angle of the first conveying belt by taking the ratio of the product of the difference value between the real-time filtering residual quantity and the first preset filtering residual quantity and the difference value between the second preset filtering residual quantity and the product of the first preset filtering residual quantity and the second preset residual quantity as a standard, and simultaneously takes the ratio of the product of the difference value between the real-time filtering residual quantity and the first preset filtering residual quantity and the difference value between the second preset filtering residual quantity and the product of the first preset filtering residual quantity and the second preset residual quantity as a standard, reduce the second conveyer belt angle of delivery that permeates water to slow down the filter speed of next injection sewage, improve next sewage filter effect, when the real-time filtration volume of remaining is greater than the third and predetermines the filtration volume of remaining, well accuse unit judges that current solid filter effect is too poor, can't satisfy solid filterable standard, and this sewage can not carry out sewage treatment, and well accuse unit opens recovery unit's delivery pump, retrieves current sewage, repeated solid filtering process.

Particularly, the conveying angle of the first permeable conveying belt is preset through the central control unit, the power parameter of the first power device connected with the first permeable conveying belt is adjusted according to the comparison between the adjusted conveying angle of the first permeable conveying belt and the preset conveying angle of the first permeable conveying belt, specifically, when the adjusted conveying angle of the first permeable conveying belt is larger than or equal to the preset conveying angle of the first permeable conveying belt, the central control unit increases the conveying angle of the first permeable conveying belt by reducing the power parameter of the first power device, and when the adjusted conveying angle of the first permeable conveying belt is smaller than the preset conveying angle of the first permeable conveying belt, the central control unit decreases the conveying angle of the first permeable conveying belt by increasing the power parameter of the first power device.

Particularly, the conveying angle of the second permeable conveying belt is preset through the central control unit, the power parameter of the second power device connected with the second permeable conveying belt is adjusted according to the comparison between the adjusted conveying angle of the second permeable conveying belt and the preset conveying angle of the second permeable conveying belt, specifically, when the adjusted conveying angle of the second permeable conveying belt is larger than or equal to the preset conveying angle of the second permeable conveying belt, the central control unit increases the conveying angle of the second permeable conveying belt by reducing the power parameter of the second power device, and when the adjusted conveying angle of the second permeable conveying belt is smaller than the preset conveying angle of the second permeable conveying belt, the central control unit decreases the conveying angle of the second permeable conveying belt by increasing the power parameter of the second power device.

Particularly, the invention sets the volume of the recovered sewage, and the central control unit compares the real-time filtration residual quantity with a preset residual quantity standard value to adjust the preset volume of the recovered sewage, wherein if the filtration residual quantity acquired in real time is less than or equal to the preset residual quantity standard value, the central control unit reduces the preset volume of the recovered sewage, and if the filtration residual quantity acquired in real time is greater than the preset residual quantity standard value, the central control unit increases the volume of the recovered sewage, so that the volume of the recovered sewage is matched with the volume of sewage with poor solid filtration effect.

Particularly, the conveying angle of the first permeable conveying belt is adjusted again by acquiring the real-time recovered sewage capacity and the preset recovered sewage capacity standard value, if the real-time acquired recovered sewage capacity is larger than the preset recovered sewage capacity standard value, in order to improve the filtering effect, the poor filtering effect caused by too fast filtering speed is avoided, the conveying angle of the first permeable conveying belt is increased by the central control unit, otherwise, if the real-time acquired recovered sewage capacity is smaller than the preset recovered sewage capacity standard value, in order to improve the filtering efficiency, the conveying angle of the first permeable conveying belt is reduced by the central control unit.

Particularly, the control unit of the invention presets a current standard value, the real-time current acquired by the current detection mechanism is compared with the preset current standard value, when the real-time current is less than or equal to the first preset current standard value, the central control unit judges that the current electric energy converted by the solar energy conversion device does not meet the preset standard and the current cannot meet the system operation, the central control unit starts the energy storage device to supply energy to the system, the system is prevented from stopping operation due to insufficient converted electric energy, when the real-time current is between the first preset current standard value and the second preset current standard value, the central control unit judges that the current electric energy converted by the solar energy conversion device does not meet the preset standard, at the moment, more solar energy collected by adjusting the angle of the solar energy collecting plate can meet the system operation, and simultaneously, the conveying angle of the first permeable conveyer belt is reduced, so as to improve the efficiency of solid filtration, so as to shorten the sewage solid filtering time of unit quantity, avoid the abnormal operation of the system caused by insufficient electric energy, when the real-time current is greater than or equal to a second preset current standard value, the central control unit judges that the electric energy converted by the current solar energy conversion device meets the standard, when the central control unit judges that the electric energy converted by the current solar energy conversion device meets the standard, the central control unit obtains the energy storage capacity in the energy storage device and compares the energy storage capacity with the preset energy storage capacity, if the energy storage capacity in the current energy storage device is lower than the preset value, the central control unit judges that the energy storage of the energy storage device is insufficient, and in order to increase the energy storage capacity, the central control unit judges that the acquisition angle of the solar energy acquisition panel is adjusted, in order to increase the solar energy that present solar energy collection board gathered, if the energy storage capacity is higher than the default in the current energy memory, well accuse unit judges that present energy storage capacity is sufficient, can satisfy system's normal operating, and well accuse unit does not gather the angle to solar energy collection board and adjusts.

In particular, the invention sets an illumination sensor on a solar energy collecting plate, wherein the illumination sensor comprises a central sensing point and a circle of auxiliary sensing points which are arranged around the central sensing point and have consistent distance, when a central control unit judges that the current collecting angle of the solar energy collecting plate needs to be adjusted, the central control unit acquires the illumination intensity of each auxiliary sensing point, acquires the angle formed by the connecting line of the auxiliary sensing point with the central point and the horizontal plane with the maximum illumination intensity, sets the angle as an illumination offset angle, compares the acquired illumination offset angle with a preset value, and adjusts the power parameters of each power mechanism which is arranged below the solar energy collecting plate and is used for controlling the collecting angle of the solar energy collecting plate, wherein when the real-time offset angle is smaller than the first preset offset angle, the central control unit reduces the power parameters of a third power mechanism, and when the real-time offset angle is between the first preset offset angle and the second preset offset angle, the central control unit reduces the power parameter of the fourth power mechanism, reduces the power parameter of the fifth power mechanism when the real-time offset angle is between the second preset offset angle and the third preset offset angle, and reduces the power parameter of the sixth power mechanism when the real-time offset angle is between the third preset offset angle and the fourth preset offset angle, so that the solar energy collecting plate can obtain more solar energy.

Drawings

FIG. 1 is a schematic structural diagram of a sewage treatment system based on solar energy according to an embodiment of the present invention;

FIG. 2 is a schematic view of part A of a solar-based sewage treatment system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a sewage treatment mechanism of a sewage treatment system based on solar energy according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a side view cross-sectional structure of a fixing block of a solar-based sewage treatment system according to an embodiment of the present invention;

FIG. 5 is a bottom view of a solar energy conversion device of a solar energy based sewage treatment system according to an embodiment of the present invention;

FIG. 6 is a top view of a solar energy collection panel of a solar energy based sewage treatment system according to an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, a schematic diagram of a solar-based sewage treatment system according to the present invention includes a sewage treatment apparatus; the solid filtering device is arranged above the sewage treatment device and used for filtering solid wastes in sewage, a first permeable conveying belt and a second permeable conveying belt connected with the first permeable conveying belt are arranged in the solid filtering device, the first permeable conveying belt is connected with a first power device, a first power mechanism is used for providing power for adjusting the transmission angle of the first permeable conveying belt, the second permeable conveying belt is connected with a second power mechanism, and the second power mechanism is used for providing power for adjusting the transmission angle of the second permeable conveying belt; the solar energy conversion device is arranged above the solid filtering device and used for converting the collected solar energy into electric energy, wherein a solar energy collecting mechanism and an angle adjusting mechanism are arranged below the solar energy collecting mechanism in the solar energy conversion device, the angle adjusting mechanism is used for adjusting the collecting angle of the solar energy collecting plate, and a current detection mechanism is arranged in the solar energy conversion device and used for acquiring current information of solar energy conversion; the energy storage device is used for storing the electric energy converted by the solar energy conversion device; the recovery device is connected with a water outlet pipe arranged between the sewage treatment device and the solid filtering device and a water inlet of the solid filtering device and is used for recovering sewage which does not meet the standard; the central control unit is respectively connected with the solid filtering device, the solar energy conversion device and the recovery device and is used for adjusting the operation parameters of all the components according to the energy storage capacity and the filtering residual quantity; the detection device is arranged at the water inlet of the water outlet pipe and used for acquiring filtering residual quantity, the filtering residual quantity acquired by the central control unit within preset time through the detection device is larger than a preset value, the central control unit judges that a conveying pump of the recovery device is started, the capacity of recovered sewage is acquired according to the filtering residual quantity and is recovered to the solid filtering device for secondary filtering, the filtering residual quantity acquired by the central control unit within preset time through the detection device is smaller than the preset value, and the central control unit controls the conveying angle of the second permeable conveying belt by adjusting the power parameter of the second power device and controls the conveying angle of the first permeable conveying belt by adjusting the power parameter of the first power device; when the current acquired by the central control unit through the current sensor is larger than a preset value, the central control unit judges that the current electric energy converted by the solar energy conversion device meets a preset standard, and when the current acquired by the central control unit through the current sensor is smaller than the preset value, the central control unit adjusts the angle of the solar energy acquisition panel through the control angle adjusting mechanism according to the current solar illumination intensity, and starts the energy storage device to provide electric energy for the solid filtering device.

Please continue to refer to fig. 1, including base 1 and the sewage treatment plant installed on the base, the top fixedly connected with solid filter device 3 of processing case, the top fixedly connected with solar energy conversion device of solid filter device, sewage treatment plant cooperatees with solid filter device, solid filter device's left side fixedly connected with inlet tube 4, solid filter device's bottom fixedly connected with outlet pipe 9, the bottom of outlet pipe runs through and fixedly connected to sewage treatment plant's inside, outlet pipe one side is connected with recovery unit 8, recovery unit includes recovery tube 82 and delivery pump 81, the relief hole has been seted up to solid filter device's right side, the relief hole cooperatees with solid filter device. Wherein, the device is supported by the base 1, and is convenient to install and fix, sewage is guided into the solid filtering device 3 by the water inlet pipe 4, then the first water-permeable water conveying belt and the second water-permeable water conveying belt of the solid filtering device are started to filter and remove solid impurities in the solid filtering device and discharge the solid impurities through the discharge hole, the solid filtering device provides energy through the solar panel 6, energy is saved and environment is protected, then qualified sewage is filtered and enters the sewage treatment device through the water outlet pipe 9 for filtering treatment and final discharge, unqualified sewage is recovered to the water inlet pipe through the recovery device for re-filtering, the sewage treatment mechanism is shaped, disassembled and replaced by a user to conveniently open the sewage treatment device, thereby the device has the advantages of energy saving, low use cost, self-maintenance and replacement of the filter element, and low maintenance cost, and the solution cost is too high, the power consumption is large, the maintenance cost is high, and the popularization and the use can not be carried out.

Continuing to refer to fig. 1, the solid filtering device includes a solid filtering box, a first permeable conveyer belt 32 and a second permeable conveyer belt 31, the front cross-section of the first permeable conveyer belt and the second permeable conveyer belt is splayed, the left end of the second permeable conveyer belt is close to the bottom of the first permeable conveyer belt, the other end of the second permeable conveyer belt passes through and extends to the right side of the discharge hole, the first permeable conveyer belt is connected with a first power device 33, the first power device is used for providing power for adjusting the conveying angle of the first permeable conveyer belt, the second permeable conveyer belt is connected with a second power device 34, the second power device is used for providing power for adjusting the conveying angle of the second permeable conveyer belt, the solid filtering device is arranged in the solid filtering box and fixedly connected with a vertical plate 35, the vertical plate 35 is located on the right side of the water inlet pipe 4, the vertical plate 35 can effectively prevent water flow from washing the first permeable conveyer belt, so that the filtering effect is better.

Referring to fig. 1, a clamping seat 21 is fixedly connected to the top of the sewage treatment device, a garbage can 22 is inserted into the clamping seat 21, a material guiding plate 23 is hinged to the right side of the fixed filtering device, and the material guiding plate 23 is matched with the garbage can 22. In the use, conveniently carry on spacingly to dustbin 22 through joint seat 21 to conveniently transport the processing with dustbin 22, can enter the inside that the solid matter of relief hole exhaust directly channels into dustbin 22 through stock guide 23 simultaneously, make the solid waste processing of device more convenient.

In the use, through starting first conveyer belt and the second conveyer belt that permeates water, first conveyer belt that permeates water filters the solid matter in the sewage and on the conveyer belt second conveyer belt that permeates water, then the second conveyer belt that permeates water passes through the solid matter through the bin outlet discharge solid filter equipment again.

Furthermore, in the solid filtering device according to the embodiment of the present invention, the detecting device is disposed at the pipe orifice of the water outlet pipe, and includes an adsorbing net 36 for adsorbing unfiltered solid, and a weight sensor 37 for acquiring the weight of the unfiltered solid.

Please refer to fig. 2, which is a schematic structural diagram of a part a of a solar-based sewage treatment system according to an embodiment of the present invention, including a fixing frame 71 having water permeable holes 711 at both the top and the bottom, the water permeable holes 711 at the top communicating with the inside of the filter element frame 72, the filter element frame 72 having water outlet holes 721 at the bottom, the water outlet holes 721 communicating with the water permeable holes 711 at the bottom. In use, the permeable holes 711 and the water outlet holes 721 are matched for use, so that sewage can smoothly flow through the filter box 73 to be filtered, and the device is more reasonable in result.

Please refer to fig. 3, which is a schematic structural diagram of a sewage treatment mechanism of a solar-based sewage treatment system according to an embodiment of the present invention, and fig. 4, which is a schematic structural diagram of a side view cross section of a fixing block of the solar-based sewage treatment system according to an embodiment of the present invention, the sewage treatment device includes a fixing frame 71, a filter cartridge frame 72, a filter cartridge 73, and a fixing block 74, an outer side of the fixing frame 71 is fixedly connected to an inner side of the treatment tank 2, the filter cartridge 73 is clamped to the inner side of the filter cartridge frame 72, a right side of the filter cartridge frame 72 is inserted into the inner side of the fixing frame 71, a left end of the filter cartridge frame 72 is fixedly connected to a right side of the fixing block 74, a left end of the fixing block 74 penetrates and is slidably connected to a left side of the treatment tank 2, and an outer side of the fixing block 74 is fixedly connected to a left side of the treatment tank 2 through a bolt. In use, through loosening the bolt on the fixed block 74, make fixed block 74 and treatment case 2 separation, then outwards take fixed block 74 level out, fixed block 74 drives filter element frame 72 and takes out from mount 71 is inside, and take out the inside of handling case 2, then take out filter cartridge 73 and change new filter cartridge 73, then insert the mount 71 with filter element frame 72 inside again, advance fixed block 74 and handle case 2 through the bolt and lock, the completion is changed, thereby make the device be convenient for load and unload the maintenance, reduce the later maintenance cost.

Please refer to fig. 5, which is a bottom view of a solar energy conversion device of a sewage treatment system based on solar energy according to an embodiment of the present invention, and the device includes a solar energy collecting plate 61 and an angle adjusting mechanism disposed on the solar energy collecting plate, wherein the angle adjusting mechanism includes four power mechanisms for adjusting an angle of the solar energy collecting plate, the power mechanism disposed on the upper left corner of the solar energy collecting plate is a third power mechanism 65, the power mechanism disposed on the upper right corner is a fourth power mechanism 64, the power mechanism disposed on the lower right corner is a fifth power mechanism 62, and the power mechanism disposed on the lower left corner is a sixth power mechanism 63.

When in use, firstly, sewage is guided into the inside of the filter box through the water inlet pipe 4, then the first water-permeable conveying belt 32 and the second water-permeable conveying belt 31 are started, solid substances in the sewage are filtered by the first water-permeable conveying belt 32 and conveyed onto the second water-permeable conveying belt 31, then the solid substances are discharged through the discharge hole by the second water-permeable conveying belt 31, the solid filtering device provides energy through the solar panel 6, energy is saved and environment is protected, the filtered sewage enters the treatment box 2 through the water outlet pipe 9 for filtering treatment and final discharge, the fixing block 74 is separated from the treatment box 2 by loosening the bolts on the fixing block 74, then the fixing block 74 is horizontally drawn out, the fixing block 74 drives the filter element frame 72 to be drawn out from the inside of the fixing frame 71 and drawn out of the inside of the treatment box 2, then the filter element frame 73 is drawn out and replaced by a new filter element 73, and then the good filter element frame 72 is inserted into the inside of the fixing frame 71 again, advance fixed block 74 and handle case 2 through the bolt and lock, the person of facilitating the use carries out the change of filter core to realized that the device possesses the energy saving, use cost is low, and can maintain the advantage of changing the filter core by oneself and reduce the maintenance cost, solved among the prior art to small-size farm cost too high, not only power consumption is huge, and the maintenance cost is also high, can't carry out the problem of using widely.

The detection device comprises an adsorption net and a weight sensor, wherein the adsorption net is arranged at a water inlet of a water outlet pipe and used for adsorbing unfiltered solids, the weight sensor is arranged on the adsorption net and used for acquiring a filtration residual quantity, a central control unit acquires the filtration residual quantity on the adsorption net within preset time t and sets mt = M1-M2, wherein M1 is the weight of the adsorption net when the central control unit starts to detect, M2 is the weight of the central control unit after the central control unit passes through the adsorption net within the preset time t, the central control unit presets the filtration residual quantity M, and the central control unit compares the acquired filtration residual quantity with the preset filtration residual quantity to adjust the conveying angle of a first permeable conveyer belt and the conveying angle of a second permeable conveyer belt, wherein,

When the filtration residual quantity acquired by the central control unit is smaller than or equal to a first preset filtration residual quantity, the central control unit increases the conveying angle theta 20 of the second permeable conveying belt to theta 21, wherein theta 21= theta 20 x (1+ (M1-mt)/M1), and simultaneously decreases the conveying angle theta 10 to theta 11 of the first permeable conveying belt, and theta 11= theta 10 x (1- (M1-mt)/M1) is set.

Specifically, the invention is provided with a detection device at the pipe orifice of the water outlet pipe for detecting the solid residue which is not filtered after being filtered by a first permeable conveyer belt and a second permeable conveyer belt, a central control unit divides the preset filtering residue into two standards and compares the obtained real-time filtering residue with the preset filtering residue, wherein when the real-time filtering residue is less than or equal to the first preset filtering residue, the current solid filtering condition is better, the central control unit increases the conveying angle of the second permeable conveyer belt by taking the ratio of the difference between the filtering residue and the first preset filtering residue to the first preset filtering residue as the standard, and reduces the conveying angle of the first permeable conveyer belt by taking the ratio of the difference between the filtering residue and the first preset filtering residue to the first preset filtering residue as the standard, so as to improve the filtering efficiency and shorten the filtering time, energy is saved, the real-time filtering residual quantity obtained by the central control unit is between a first preset filtering residual quantity and a second preset filtering residual quantity, which shows that the current filtering effect and the filtering efficiency are better, the central control unit judges that the current filtering meets the preset standard, the relevant parts are not adjusted, the real-time filtering residual quantity obtained by the central control unit is between the second preset filtering residual quantity and a third filtering residual quantity, which shows that the current solid filtering effect is poorer, the central control unit increases the water-permeable conveying angle of the first conveying belt by taking the ratio of the product of the difference value between the real-time filtering residual quantity and the first preset filtering residual quantity and the difference value between the second preset filtering residual quantity and the product of the first preset filtering residual quantity and the second preset residual quantity as a standard, and simultaneously takes the ratio of the product of the difference value between the real-time filtering residual quantity and the first preset filtering residual quantity and the difference value between the second preset filtering residual quantity and the product of the first preset filtering residual quantity and the second preset residual quantity as a standard, reduce the second conveyer belt angle of delivery that permeates water to slow down the filter speed of next injection sewage, improve next sewage filter effect, when the real-time filtration volume of remaining is greater than the third and predetermines the filtration volume of remaining, well accuse unit judges that current solid filter effect is too poor, can't satisfy solid filterable standard, and this sewage can not carry out sewage treatment, and well accuse unit opens recovery unit's delivery pump, retrieves current sewage, repeated solid filtering process.

The central control unit acquires the adjusted conveying angle theta 1i of the first permeable conveying belt, the central control unit presets a conveying angle E of the first permeable conveying belt according to the acquired adjusted conveying angle theta 1i of the first permeable conveying belt and the central control unit, and the central control unit adjusts power parameters of the first power device,

wherein i =1, 2.

Specifically, in the embodiment of the present invention, the conveying angle of the first permeable conveying belt is 45 to 60 °, the conveying angle of the second permeable conveying belt is 30 to 45 °, and the angles of the preset first permeable conveying belt and the preset second permeable conveying belt are not limited in the embodiment of the present invention, as long as the purpose of filtering the sewage solids can be satisfied.

Specifically, the conveying angle of the first permeable conveying belt is preset through the central control unit, the power parameter of the first power device connected with the first permeable conveying belt is adjusted according to the comparison between the adjusted conveying angle of the first permeable conveying belt and the preset conveying angle of the first permeable conveying belt, specifically, when the adjusted conveying angle of the first permeable conveying belt is larger than or equal to the preset conveying angle of the first permeable conveying belt, the central control unit increases the conveying angle of the first permeable conveying belt by reducing the power parameter of the first power device, and when the adjusted conveying angle of the first permeable conveying belt is smaller than the preset conveying angle of the first permeable conveying belt, the central control unit decreases the conveying angle of the first permeable conveying belt by increasing the power parameter of the first power device.

The central control unit acquires the adjusted conveying angle theta 2j of the second permeable conveying belt, the central control unit presets a conveying angle F of the second permeable conveying belt according to the acquired adjusted conveying angle theta 2j of the second permeable conveying belt and the central control unit, and the central control unit adjusts power parameters of a second power device,

wherein j =1, 2.

Specifically, the conveying angle of the second permeable conveying belt is preset through the central control unit, the power parameter of the second power device connected with the second permeable conveying belt is adjusted according to the comparison between the adjusted conveying angle of the second permeable conveying belt and the preset conveying angle of the second permeable conveying belt, specifically, when the adjusted conveying angle of the second permeable conveying belt is larger than or equal to the preset conveying angle of the second permeable conveying belt, the central control unit increases the conveying angle of the second permeable conveying belt by reducing the power parameter of the second power device, and when the adjusted conveying angle of the second permeable conveying belt is smaller than the preset conveying angle of the second permeable conveying belt, the central control unit decreases the conveying angle of the second permeable conveying belt by increasing the power parameter of the second power device.

The central control unit presets a recovered sewage volume V0, and the central control unit adjusts the recovered sewage volume according to the obtained filtration residual quantity mt compared with a preset residual quantity standard value Y0, wherein

Specifically, the reclaimed sewage capacity is set, the central control unit compares the real-time filtration residual quantity with a preset residual quantity standard value, and adjusts the preset reclaimed sewage capacity, wherein if the real-time filtration residual quantity is less than or equal to the preset residual quantity standard value, the central control unit reduces the preset reclaimed sewage capacity, and if the real-time filtration residual quantity is greater than the preset residual quantity standard value, the central control unit increases the reclaimed sewage capacity, so that the reclaimed sewage capacity is matched with the sewage capacity with poor solid filtration effect.

The central control unit regulates the conveying angle theta 1i of the first permeable conveying belt to theta 1i 'through the acquired real-time recovered sewage capacity Vr and a preset recovered sewage capacity standard value T0 of the central control unit, sets theta 1 i' = theta 1 x (1+ TJ), wherein the TJ is a conveying angle regulating parameter of the first permeable conveying belt, and sets a conveying angle regulating parameter TJ = (Vr-T0)/T0 of the first permeable conveying belt, wherein r =1, 2.

Specifically, the conveying angle of the first permeable conveying belt is adjusted again by acquiring the real-time recovered sewage capacity and the preset recovered sewage capacity standard value, if the real-time acquired recovered sewage capacity is larger than the preset recovered sewage capacity standard value, in order to improve the filtering effect, the problem that the filtering effect is poor due to too high filtering speed is avoided, the conveying angle of the first permeable conveying belt is increased by the central control unit, otherwise, if the real-time acquired recovered sewage capacity is smaller than the preset recovered sewage capacity standard value, in order to improve the filtering efficiency, the conveying angle of the first permeable conveying belt is reduced by the central control unit.

The central control unit presets a current standard value Q, compares the current Q acquired by the current detection mechanism with a preset current, and judges whether the electric energy converted by the solar energy conversion device meets the preset standard or not, wherein,

When the central control unit judges that the electric energy converted by the solar energy conversion device meets a preset standard, the central control unit compares the energy storage capacity h of the energy storage device with the energy storage capacity W of the energy storage device of the central control unit, wherein,

Referring to fig. 6, which is a top view of a solar energy collecting plate of a sewage treatment system based on solar energy according to An embodiment of the present invention, An illumination sensing device is disposed on the solar energy collecting plate, the illumination sensing device includes a central sensing point 67 and a plurality of auxiliary sensing points 66 having the same distance with the central sensing point, and is configured to obtain a direction with the strongest solar illumination, the central control unit obtains illumination intensities of the auxiliary sensing points, wherein the illumination intensity of the first auxiliary sensing point is a1, the illumination intensity of the second auxiliary sensing point is a2 · An nth auxiliary sensing point illumination intensity An, the central control unit obtains An illumination intensity maximum value of the ith auxiliary sensing point illumination intensity Aimax, the central control unit obtains An angle formed by a connecting line between the ith auxiliary point and the central sensing point and a horizontal plane as An illumination offset angle θ g, and power devices are disposed at four corners of the bottom of the solar energy collecting plate, the solar energy collecting plate angle adjusting device is used for adjusting the angle of a solar energy collecting plate, wherein the power device arranged at the upper left corner is a third power mechanism, the power device arranged at the upper right corner is a fourth power mechanism, the power device arranged at the lower right corner is a fifth power mechanism, the power device arranged at the lower left corner is a sixth power mechanism, when the central control unit judges that the angle of the solar energy collecting plate is adjusted, the central control unit adjusts the third power mechanism, the fourth power mechanism, the fifth power mechanism and the sixth power mechanism according to the illumination offset angle and the preset offset angle of the central control unit, wherein,

Specifically, the invention arranges an illumination sensor on a solar energy collecting plate, wherein the illumination sensor comprises a central sensing point and a circle of auxiliary sensing points which are arranged around the central sensing point and have consistent distance, when a central control unit judges that the current collecting angle of the solar energy collecting plate needs to be adjusted, the central control unit acquires the illumination intensity of each auxiliary sensing point, acquires the angle formed by the connecting line of the auxiliary sensing point with the central point and the horizontal plane with the maximum illumination intensity and sets the angle as an illumination offset angle, compares the acquired illumination offset angle with a preset value, and adjusts the power parameters of each power mechanism which is arranged below the solar energy collecting plate and is used for controlling the collecting angle of the solar energy collecting plate, wherein when the real-time offset angle is smaller than the first preset offset angle, the central control unit reduces the power parameters of a third power mechanism, and when the real-time offset angle is between the first preset offset angle and the second preset offset angle, the central control unit reduces the power parameter of the fourth power mechanism, reduces the power parameter of the fifth power mechanism when the real-time offset angle is between the second preset offset angle and the third preset offset angle, and reduces the power parameter of the sixth power mechanism when the real-time offset angle is between the third preset offset angle and the fourth preset offset angle, so that the solar energy collecting plate can obtain more solar energy.

Specifically, in the embodiment of the present invention, the first preset offset angle G1 is 90 °, the second preset offset angle G2 is 180 °, the third preset offset angle G3 is 270 °, and the fourth preset offset angle G4 is 360 °.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A solar-based sewage treatment system, comprising:

a sewage treatment device;

2. The solar sewage treatment system according to claim 1, wherein the detection device comprises an adsorption net and a weight sensor, wherein the adsorption net is disposed at the water inlet of the water outlet pipe for adsorbing unfiltered solids, the weight sensor is disposed on the adsorption net for acquiring a filtration residual amount, the central control unit acquires mt on the adsorption net for the preset time t, and set mt = M1-M2, wherein M1 is the weight of the adsorption net at the beginning of the detection by the central control unit, M2 is the weight of the adsorption net after the preset time t by the central control unit, the central control unit presets the filtration residual amount M, and the central control unit adjusts the conveying angle of the first permeable conveyer belt and the conveying angle of the second permeable conveyer belt according to the acquired filtration residual amount and the preset filtration residual amount, wherein,

3. The solar-based sewage treatment system of claim 2, wherein when the filtration residual amount obtained by the central control unit is less than or equal to a first preset filtration residual amount, the central control unit increases the second permeable conveyer belt conveying angle θ 20 to θ 21, wherein θ 21= θ 20 × (1+ (M1-mt)/M1), and simultaneously decreases the first permeable conveyer belt conveying angle θ 10 to θ 11, setting θ 11= θ 10 × (1- (M1-mt)/M1);

4. The solar-based sewage treatment system of claim 3 wherein the central control unit obtains the adjusted first permeable conveyer belt transport angle θ 1i, the central control unit presets a first permeable conveyer belt transport angle E according to the obtained adjusted first permeable conveyer belt transport angle θ 1i and the central control unit, the central control unit adjusts the first power plant power parameter, wherein,

wherein i =1, 2.

5. The solar-based sewage treatment system of claim 2 wherein the central control unit obtains the adjusted second permeable conveyer belt transport angle θ 2j, the central control unit presets a second permeable conveyer belt transport angle F according to the obtained adjusted second permeable conveyer belt transport angle θ 2j and the central control unit, the central control unit adjusts the second power plant power parameter, wherein,

wherein j =1, 2.

6. The solar-based sewage treatment system of claim 3 wherein the central control unit presets a volume of recovered sewage V0, the central control unit adjusting the volume of recovered sewage according to the obtained filtration residual amount mt compared with a preset residual amount criterion value Y0, wherein,

7. The solar-based sewage treatment system of claim 5, wherein the central control unit adjusts the first permeable conveyer belt transport angle θ 1i to θ 1i 'by the acquired real-time recovered sewage capacity Vr and a central control unit preset recovered sewage capacity standard value T0, and sets θ 1 i' = θ 1 x (1+ TJ), where TJ is a first permeable conveyer belt transport angle adjusting parameter, and the central control unit sets the first permeable conveyer belt transport angle adjusting parameter TJ = (Vr-T0)/T0, where r =1, 2.

8. The solar-based sewage treatment system of claim 5, wherein the central control unit is configured to preset a current standard value Q, and the central control unit is configured to determine whether the electric energy converted by the solar energy conversion device meets the preset standard by comparing the current Q obtained by the current detection mechanism with the preset current, wherein,

9. The solar-based sewage treatment system of claim 8 wherein the central control unit determines that the electrical energy converted by the solar energy conversion device meets a predetermined standard, the central control unit compares the energy storage capacity h of the energy storage device with the energy storage capacity W of the energy storage device of the central control unit, wherein,

when h is less than W, the central control unit judges that the energy storage capacity of the energy storage device is sufficient, and the central control unit does not adjust the collection angle of the solar collection panel.

10. The solar sewage treatment system according to claim 9, wherein the solar panel is provided with An illumination sensor, the illumination sensor comprises a central sensing point and a plurality of auxiliary sensing points having the same distance with the central sensing point for obtaining the direction with the strongest solar illumination, the central control unit obtains the illumination intensity of each auxiliary sensing point, wherein the illumination intensity of the first auxiliary sensing point is A1, the illumination intensity of the second auxiliary sensing point is A2, the illumination intensity of the nth auxiliary sensing point is An integer greater than or equal to 3, the maximum illumination intensity obtained by the central control unit is Aimax of the ith auxiliary sensing point, the angle formed by the connection line of the ith auxiliary sensing point and the central sensing point and the horizontal plane is An illumination offset angle θ g, and the four corners of the bottom of the solar panel are respectively provided with a power device, the solar energy collecting plate angle adjusting device is used for adjusting the angle of a solar energy collecting plate, wherein the power device arranged at the upper left corner is a third power mechanism, the power device arranged at the upper right corner is a fourth power mechanism, the power device arranged at the lower right corner is a fifth power mechanism, the power device arranged at the lower left corner is a sixth power mechanism, when the central control unit judges that the angle of the solar energy collecting plate is adjusted, the central control unit adjusts the third power mechanism, the fourth power mechanism, the fifth power mechanism and the sixth power mechanism according to the illumination offset angle and the preset offset angle of the central control unit, wherein,