CN208061031U - A kind of mobile solar energy tracking device based on light-shading effect - Google Patents

A kind of mobile solar energy tracking device based on light-shading effect Download PDF

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Publication number
CN208061031U
CN208061031U CN201820469633.0U CN201820469633U CN208061031U CN 208061031 U CN208061031 U CN 208061031U CN 201820469633 U CN201820469633 U CN 201820469633U CN 208061031 U CN208061031 U CN 208061031U
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China
Prior art keywords
photo resistance
solar panel
light
stepper motor
device based
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Expired - Fee Related
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CN201820469633.0U
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Chinese (zh)
Inventor
肖慧
徐哈宁
黎正根
黄声杰
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East China Institute of Technology
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East China Institute of Technology
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Abstract

The utility model is related to a kind of mobile solar energy tracking device based on light-shading effect, including solar panel, solar panel is equipped with multigroup photo resistance, photo resistance connects A/D shift control modules by photo resistance circuit, the bottom of solar panel is equipped with support plate, and support plate is equipped with the rotary drive mechanism of control solar panel rotation.The device senses different intensities of illumination by two symmetrical photo resistance, the photo resistance circuit output voltage of photo resistance connection just differs, it is different by A/D shift control modules institute value, two numbers do subtraction, the steering of the positive negative control stepper motor of voltage difference, to drive solar panel to rotate, it is high to sun location tracking precision, it is simple in structure, cost is relatively low, the solar tracking apparatus that fixed photovoltaic conversion efficiency and mobile photovoltaic conversion efficiency can be greatly improved, can promote and apply in vehicle-mounted photovoltaic system and navigation photovoltaic system.

Description

A kind of mobile solar energy tracking device based on light-shading effect
Technical field
The utility model is related to application of solar, especially a kind of mobile solar energy based on light-shading effect with Track device.
Background technology
The photovoltaic energy of the sun is real green energy resource, and photoelectric conversion efficiency is influenced very by the exposure intensity of sunlight Greatly.For the fixation photovoltaic devices on ground, the pitch angle of the sun and azimuth are changing always in one day, lead to photovoltaic Transfer efficiency is low;Therefore to the Collection utilization of solar energy, more stringent requirements are proposed, solar energy tracking device is proposed, for ground Mobile photovoltaic devices on face, such as vehicle-mounted photovoltaic system, by the double influence in the sun itself orientation and running car orientation, Photoelectric conversion efficiency is low, seriously constrains the utilization of the vehicle-mounted photovoltaic energy, and there are many solar-tracking system currently on the market, but It is that structure is more complicated, cost is higher, and is difficult to realize mobile photovoltaic tracking.
Utility model content
Purpose of the utility model is to solve defects of the existing technology, provide a kind of shifting based on light-shading effect Dynamic solar energy tracking device.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of mobile solar energy tracking device based on light-shading effect, including solar panel, on solar panel Equipped with multigroup photo resistance, photo resistance connects A/D shift control modules, the bottom of solar panel by photo resistance circuit Portion is equipped with support plate, and support plate is equipped with the rotary drive mechanism of control solar panel rotation.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, the photo resistance quantity are four groups, point Not Wei the first photo resistance, the second photo resistance, third photo resistance and the 4th photo resistance, four photo resistance set respectively It sets on four sides of solar panel.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, first photo resistance and third are photosensitive On solar panel symmetrically, the second photo resistance and the 4th photo resistance are mutually right on solar panel for resistance Claim, the side that four photo resistance are located on solar panel is equipped with barn door.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, the first photo resistance are photosensitive to third when light Resistance is blocked by barn door, and third photo resistance is blocked to the first photo resistance when light by barn door, and the second photo resistance is to light When the 4th photo resistance blocked by barn door, the 4th photo resistance is blocked to the second photo resistance when light by barn door.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, the rotary drive mechanism include that setting exists The first stepper motor in support plate and the second stepper motor are located at the first photo resistance on solar panel and third are photosensitive The first transmission pulley is equipped with below resistance, two first transmission pulleys are connect by conveyer belt with the first stepper motor, too It is positive the second transmission pulley, two second biographies to be equipped with below the second photo resistance and the 4th photo resistance on solar panel Pulley is sent to be connect with the second stepper motor by conveyer belt.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, first stepper motor and the second stepping The installation site of motor on the supporting plate is mutually perpendicular to, and the first stepper motor and the second stepper motor connect institute by drive module State A/D shift control modules.
The bottom of a kind of above-mentioned mobile solar energy tracking device based on light-shading effect, the support plate is equipped with support The bottom of column, support column is equipped with pedestal, and the A/D shift control modules are mounted in pedestal, and the end of support column is spherical in shape, branch The end of dagger passes through support plate hinged with the solar panel, and support plate is fixed on the support columns.
A kind of above-mentioned mobile solar energy tracking device based on light-shading effect, the A/D shift control modules model LPC1788。
The beneficial effects of the utility model are:The device senses that different illumination is strong by two symmetrical photo resistance The photo resistance circuit output voltage of degree, photo resistance connection just differs, not by A/D shift control modules institute value Together, two numbers do subtraction, the steering of the positive negative control stepper motor of voltage difference, to drive solar panel to rotate, Until intensity of illumination that two symmetrical photo resistance sense is identical, the rotational angle of solar panel reached from Dynamicization adjusts, and high to sun location tracking precision, simple in structure, cost is relatively low, can greatly improve fixed photovoltaic conversion efficiency With the solar tracking apparatus of mobile photovoltaic conversion efficiency, can promote and apply in vehicle-mounted photovoltaic system and navigation photovoltaic system.
Description of the drawings
Fig. 1 is full-automatic sun tracking system general structure schematic diagram described in the utility model.
Fig. 2 is the schematic rear view of the utility model solar panel.
Fig. 3 is full automatic solar tracking system architecture block diagram described in the utility model.
Fig. 4 is full automatic solar tracing system control flow chart described in the utility model.
Specific implementation mode
As shown in Figures 1 to 4, a kind of mobile solar energy tracking device based on light-shading effect, including solar panel 1, solar panel 1 is equipped with multigroup photo resistance, and photo resistance connects A/D shift control modules by photo resistance circuit 6, the bottom of solar panel 1 is equipped with support plate 7, and support plate 2 is equipped with the rotation driving that control solar panel 1 rotates Mechanism.
In the utility model, solar panel 1 is square, and therefore, photo resistance quantity is four groups, respectively the first light Quick resistance 2, the second photo resistance 3, third photo resistance 4 and the 4th photo resistance 5, four photo resistance are separately positioned on too On four sides of positive energy solar panel 1, the first photo resistance 2 connects A/D shift control modules 6 by photo resistance circuit U 2, Second photo resistance 3 connects A/D shift control modules 6 by photo resistance circuit U 3, and third photo resistance 4 passes through photo resistance Circuit U 4 connects A/D shift control modules 6, and the 4th photo resistance 5 connects A/D shift control modules by photo resistance circuit U 5 6, A/D shift control module, 6 model LPC1788.
Wherein, the first photo resistance 2 and third photo resistance 4 are symmetrical on solar panel 1, the second photosensitive electricity Resistance 3 and the 4th photo resistance 5 symmetrically, are located at four photo resistance on solar panel 1 on solar panel Side is equipped with barn door 8.First photo resistance 2 is blocked to third photo resistance 4 when light by barn door, third photo resistance 4 It is blocked to the first photo resistance 2 when light by barn door, the second photo resistance 3 is blocked to the 4th photo resistance 5 when light by barn door, 4th photo resistance 5 is blocked to the second photo resistance 3 when light by barn door.
Further, rotary drive mechanism includes the first stepper motor 9 and the second stepper motor being arranged in support plate 7 10, the first photo resistance 2 is located on solar panel 1 and the lower section of third photo resistance 4 is equipped with the first transmission pulley 11, Two first transmission pulleys 11 are connect by conveyer belt 12 with the first stepper motor 9, and it is photosensitive that second is located on solar panel 1 The lower section of resistance 3 and the 4th photo resistance 5 is equipped with the second transmission pulley 13, and two second transmission pulleys 13 pass through conveyer belt 12 It is connect with the second stepper motor 10, the installation site of the first stepper motor 9 and the second stepper motor 10 in support plate 7 is mutually hung down Directly, the first stepper motor 9 connects the A/D shift control modules 6 with the second stepper motor 10 by drive module.
In the utility model, the bottom of support plate 7 is equipped with support column 14, and the bottom of support column 14 is equipped with pedestal 15, and A/D turns Control module 6 is changed in the pedestal 15, the end of support column 14 is spherical in shape, the end of support column 14 pass through support plate 7 with too Positive energy solar panel 1 is hinged, and support plate 7 is fixed on support column 14.
Photo resistance is corresponded in photo resistance circuit U 2, U3, U4, U5 with the change of Intensity of the sunlight to become Change, photo resistance circuit U 2, U3, U4, U5 output variation voltage signal arrive A/D shift control modules 6, carry out A/D conversion with Voltage compares, and voltage comparison result is input to drive module, and drive module controls the first stepper motor 9 and the second stepper motor 10 Rotation direction, the first stepper motor 9 and the second stepper motor 10 rotation drive conveyer belt 12 pull solar panel 1 rotate The tracking to solar azimuth is carried out, the front of solar panel 1 is made to be in plumbness with sunlight.
It is described in further detail below:There is face before each photo resistance in photo resistance circuit U 2, U3, U4, U5 Product is the barn door 8 of 2cm2.When the light intensity difference that the first photo resistance 2 and third photo resistance 4 are blocked by barn door 8, the As soon as the resistance of photo resistance 2 and third photo resistance 4 changes, photo resistance circuit U 2, U4 output voltages differ, warp It crosses A/D shift control modules 6 and converts institute's value difference, two numbers do subtraction, the positive negative control first step stepper motor 9 of difference Steering, to drive solar panel 1 to rotate, until the luminous energy phase that the first photo resistance 2 and third photo resistance 4 receive Meanwhile photo resistance circuit U 2, U4 output voltages also tend to it is identical, control the first stepper motor 9 voltage difference go to zero, first Stepper motor 9 stops operating;When the light that the second photo resistance 3 and the 4th photo resistance 5 are blocked by barn door 8 is different, The resistance of first photo resistance 3 and third photo resistance 5 changes, and photo resistance circuit U 3, U5 output voltages just differ, It is different that institute value is converted by A/D shift control modules 6, and two numbers do subtraction, and the positive negative control second step of difference is into electricity The steering of machine 10, to drive solar panel 1 to rotate, until the light that the first photo resistance 3 and third photo resistance 5 receive Can it is identical when, photo resistance circuit U 3, U5 output voltages also tend to it is identical, control the second stepper motor 10 voltage difference tend to Zero, the second stepper motor 10 stops operating;At this point, completing once to the tracking of position of sun.First stepper motor 9 and second step Installation site of the stepper motor 10 in support plate 7 is mutually perpendicular to, and the first stepper motor 9 and the second stepper motor 10 control too respectively Positive energy solar panel 1 completes angle steering in two different circumferential surfaces.
The device senses different intensities of illumination, the photosensitive electricity of photo resistance connection by two symmetrical photo resistance Resistance circuit output voltage just differs, different by A/D shift control modules institute value, and two numbers do subtraction, voltage difference The steering of the positive negative control stepper motor of value, to drive solar panel to rotate, until two symmetrical photo resistance senses Should to intensity of illumination it is identical until, the rotational angle of solar panel has reached automation adjustment, to sun location tracking Precision is high, and simple in structure, cost is relatively low, can greatly improve the sun of fixed photovoltaic conversion efficiency and mobile photovoltaic conversion efficiency Energy follow-up mechanism, can promote and apply in vehicle-mounted photovoltaic system and navigation photovoltaic system.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model Protection domain defined by appended claims and its equivalent.

Claims (5)

1. a kind of mobile solar energy tracking device based on light-shading effect, including solar panel, set on solar panel There is multigroup photo resistance, which is characterized in that photo resistance connects A/D shift control modules, solar energy by photo resistance circuit The bottom of solar panel is equipped with support plate, and support plate is equipped with the rotary drive mechanism of control solar panel rotation;
The photo resistance quantity is four groups, respectively the first photo resistance, the second photo resistance, third photo resistance and the Four photo resistance, four photo resistance are separately positioned on four sides of solar panel;
First photo resistance and third photo resistance are symmetrical on solar panel, the second photo resistance and the 4th On solar panel symmetrically, the side on solar panel positioned at four photo resistance is equipped with screening for photo resistance Tabula rasa;
First photo resistance is blocked to third photo resistance when light by barn door, and third photo resistance is to the first photo resistance when light It is blocked by barn door, the second photo resistance is blocked to the 4th photo resistance when light by barn door, and the 4th photo resistance is to when light Two photo resistance are blocked by barn door.
2. a kind of mobile solar energy tracking device based on light-shading effect according to claim 1, which is characterized in that described Rotary drive mechanism includes the first stepper motor and the second stepper motor of setting on the supporting plate, is located on solar panel The first transmission pulley is equipped with below first photo resistance and third photo resistance, two first transmission pulleys pass through conveyer belt It is connect with the first stepper motor, is located on solar panel below the second photo resistance and the 4th photo resistance and is equipped with the Two transmission pulleys, two second transmission pulleys are connect by conveyer belt with the second stepper motor.
3. a kind of mobile solar energy tracking device based on light-shading effect according to claim 2, which is characterized in that described The installation site of first stepper motor and the second stepper motor on the supporting plate is mutually perpendicular to, the first stepper motor and the second stepping Motor connects the A/D shift control modules by drive module.
4. a kind of mobile solar energy tracking device based on light-shading effect according to claim 2, which is characterized in that described The bottom of support plate is equipped with support column, and the bottom of support column is equipped with pedestal, and the A/D shift control modules are mounted in pedestal, The end of support column is spherical in shape, and the end of support column passes through support plate hinged with the solar panel, and support plate is fixed on On support column.
5. a kind of mobile solar energy tracking device based on light-shading effect according to claim 2, which is characterized in that described A/D shift control module models LPC1788.
CN201820469633.0U 2018-04-04 2018-04-04 A kind of mobile solar energy tracking device based on light-shading effect Expired - Fee Related CN208061031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820469633.0U CN208061031U (en) 2018-04-04 2018-04-04 A kind of mobile solar energy tracking device based on light-shading effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820469633.0U CN208061031U (en) 2018-04-04 2018-04-04 A kind of mobile solar energy tracking device based on light-shading effect

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Publication Number Publication Date
CN208061031U true CN208061031U (en) 2018-11-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108196595A (en) * 2018-04-04 2018-06-22 东华理工大学 A kind of mobile solar energy tracking device based on light-shading effect
CN109525179A (en) * 2018-12-17 2019-03-26 陕西盛高电力建设工程有限责任公司 Intelligent southern exposure photovoltaic bracket without Geometric Modeling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108196595A (en) * 2018-04-04 2018-06-22 东华理工大学 A kind of mobile solar energy tracking device based on light-shading effect
CN109525179A (en) * 2018-12-17 2019-03-26 陕西盛高电力建设工程有限责任公司 Intelligent southern exposure photovoltaic bracket without Geometric Modeling

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Granted publication date: 20181106

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