CN208044409U - A kind of solar energy automatic spot-following device - Google Patents
A kind of solar energy automatic spot-following device Download PDFInfo
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- CN208044409U CN208044409U CN201820252615.7U CN201820252615U CN208044409U CN 208044409 U CN208044409 U CN 208044409U CN 201820252615 U CN201820252615 U CN 201820252615U CN 208044409 U CN208044409 U CN 208044409U
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- fixed plate
- solar panels
- acquisition module
- solar energy
- module
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Abstract
The utility model discloses a kind of solar energy automatic spot-following device, including the rotatable solar panels fixed plate being obliquely installed driven and the driving solar panels fixed plate longitudinally rotate electric pushrod, the driving solar panels fixed plate transverse rotation stepper motor；The high end side of the solar panels fixed plate is equipped with brightness acquisition module, low side is equipped with location information acquisition module, includes detecting the electronic gyroscope of solar panels longitudinal direction rotation angle variation and to detect the circular ring shape slide rheostat of solar panels transverse rotation angle change；Further include control single chip computer minimum system, the single-chip minimum system is electrically connected with clock module, motor drive module, power module and brightness acquisition module, location information acquisition module.The utility model improves illumination harvester and Acquisition Circuit, improves precision and anti-interference ability, can Real-time Feedback rotation angle using electronic gyroscope and circular ring shape slide rheostat.
Description
Technical field
The utility model is related to solar light tracking engineering device technique fields, and in particular to a kind of solar energy automatic spot-following device.
Background technology
With the exhaustion of traditional fossil energy, solar energy progresses into our visual field.Solar energy is a kind of inexhaustible
Nexhaustible clean energy resource, solar power generation are increasingly paid attention to by people.There is abundant solar energy in the west area in China
Amount of radiation, Devoting Major Efforts To Developing solar energy have the important people's livelihood and economic implications to western China.The utilization of solar energy, has
Conducive to the environmental protection in the world, therefore the efficiency of solar energy photovoltaic generator how is further improved, either from section
The angle of skill application, or it is all current problem urgently to be resolved hurrily to be said from the angle of business development.However solar energy intensity and side
The features such as intermittent to uncertain and illumination, certain difficulty is brought to the collection of solar energy.Traditional fixed solar energy
Acquisition system does not make full use of the energy of the sun, absorption efficiency relatively low.Therefore, position of sun automatic tracing technology is ground
Study carefully, to improving the absorption efficiency of solar energy, efficiently, reasonably utilizes solar energy that there is important researching value.
In the prior art, a part of solar light tracking device can only rotate solar panels according to the time, be followed spot with reaching
Purpose；Though a part of solar light tracking device can automatically adjust the angle of solar panels according to direction of illumination, illumination is adopted
Acquisition means are too simple, and anti-interference ability is relatively low.A part of solar light tracking device determines sunlight side using GPS positioning technology
To undoubtedly increasing cost in this way, be unfavorable for large-scale promotion.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of solar energy and chase after automatically
Electro-optical device realizes using brightness acquisition module and clock module, coordinates stepper motor and electric pushrod, chased after to realize
The automatic operating of electro-optical device.
Technical solution is used by realize the purpose of this utility model：
A kind of solar energy automatic spot-following device, including the rotatable solar panels fixed plate being obliquely installed driven and
Drive the stepping for the electric pushrod, the driving solar panels fixed plate transverse rotation that the solar panels fixed plate longitudinally rotates
Motor；The high end side of the solar panels fixed plate is equipped with brightness acquisition module, low side is equipped with location information acquisition mould
Block includes the electronic gyroscope and circular ring shape slide rheostat for detecting solar panels transverse rotation angle change；Also wrap
Include control single chip computer minimum system, the single-chip minimum system and clock module, motor drive module, power module and bright
Spend acquisition module, the electrical connection of location information acquisition module.
The brightness acquisition module includes fixed plate and ring is located at the shading wall on the outside of the fixed plate, the fixed plate
Upper surface five photosensitive regions are formed by baffle plate assembly, including centrally located center photosensitive region and be evenly arranged in
Four on the outside of the photosensitive region of center outside photosensitive regions are equipped with multiple photo resistance in each photosensitive region.
There are four photo resistance, four photo resistance to form favour stone measuring circuit for installation in each photosensitive region, each
Four photo resistance in induction region are connect with LM324 operational amplifiers, form luminance information Acquisition Circuit all the way.
The height of the shading wall is more than the height of the baffle plate assembly.
The bottom of the electric pushrod is connected and fixed floor, top is equipped with connecting plate, and the stepper motor is mounted on institute
It states on connecting plate, the electronic gyroscope is mounted on side on the circular ring shape slide rheostat, and the circular ring shape slides variable resistance
Device is mounted in the drive shaft for driving the solar panels fixed plate rotation, and the drive shaft is connect with the stepper motor.
The utility model follows spot technology and the time control technology of following spot is combined into one by light-operated, mutually covers the shortage, improves light
According to harvester and Acquisition Circuit, precision and anti-interference ability are improved, while improving rotating device, and increases electronics top
Spiral shell instrument and circular ring shape slide rheostat, can Real-time Feedback rotation angle.
Description of the drawings
Fig. 1 is the circuit theory schematic diagram of solar energy automatic spot-following device；
Fig. 2 is the structural schematic diagram of solar energy automatic spot-following device；
Fig. 3 is the schematic diagram of brightness acquisition module；
Fig. 4-6 is the circuit connection principle schematic of power module respectively；
Fig. 7 is the circuit connection schematic diagram of clock circuit module；
Fig. 8 is the circuit connection schematic diagram of photo resistance and operational amplifier.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-8, a kind of solar energy automatic spot-following device, including：
The rotatable solar panels fixed plate 6 being obliquely installed driven and the driving solar panels fixed plate are longitudinal
The electric pushrod 2 of rotation, the stepper motor 4 of the driving solar panels fixed plate transverse rotation；The solar panels fixed plate
High end side brightness acquisition module 5 is installed, low side is equipped with location information acquisition module, including to detect solar panels
The electronic gyroscope 7 and rotary circular ring shape slide rheostat 8 of transverse rotation angle change；It further include control single chip computer minimum
System, the single-chip minimum system and clock module, motor drive module, power module and brightness acquisition module, position
Information acquisition module is electrically connected.
The electric pushrod can realize longitudinal rotation of rotating mechanism.Its feature is the self-locking work(using electric pushrod
It can keep stablizing, and longitudinal rotation angle is related with latitude residing for device, and be not required to real-time change.The stepper motor is
The transverse rotation of solar panels provides power, to reach the requirement followed spot.
The electronic gyroscope, may be used ADXL345Z, to detect the variation of solar panels rotation angle, and
Far from the working region of stepper motor and electric pushrod, to reduce the interference to electronic gyroscope.The circular ring shape
Slide rheostat, to detect the variation of solar panels transverse rotation angle.
The electronic gyroscope is mounted on the medial surface of the circular ring shape slide rheostat, and the circular ring shape sliding becomes
It hinders device to be mounted in the drive shaft 9 for driving the solar panels fixed plate, the drive shaft 9 of the solar panels fixed plate and stepping
The output shaft of motor is connected, and the bottom of the circular ring shape slide rheostat is fixed on inclined support panel 10, the inclination branch
The low side of fagging 10 is connect with fixed floor, high-end and connecting plate is fixedly connected to form support construction.
It should be noted that the electronic gyroscope is easy by electromagnetic environmental impact, slide rheostat is easy by temperature ring
Border influences, and the two is combined and is covered the shortage mutually.Redundant unit can also be become simultaneously, if one is ineffective, another
It can still work normally, and feedback position information.
In the utility model, single-chip minimum system uses the 430F149 singlechip controllers of TI companies, such controller
Have the characteristics that low-power consumption, including crystal oscillating circuit, reset circuit.
The power module is as Figure 4-Figure 6, including voltage transition element VRB4812, voltage transition element LM7805,
Voltage transition element LM1117, connector P1 accesses power supply, as 48V accumulators are changed into after element VRB4812
12V, the motor for stepper motor and electric pushrod provide power；Wherein, 12V voltages are changed into 5V electricity after element LM7805
Pressure, 5V voltages are changed into 3.3V through element LM1117, are that the controller of single-chip minimum system is powered.
The clock circuit module is as shown in fig. 7, comprises DS1302 clock chips (U22), for being provided for whole device
Clock signal can obtain current time by certain reckoning.According to the relationship of time and angle of incidence of sunlight, the sun is adjusted
Energy plate angle degree, makes sunlight that can vertically inject solar panels.The both ends connector P3 connect button cell respectively, even if the case where power down
Under, clock circuit module remains to accurate timing.
The luminance information acquisition module is as shown in figure 8, include photo resistance and LM324 operational amplifiers, totally 5 tunnel brightness
Information acquisition circuit, 4 photo resistance (resistance R1, R5, R6, R7) of each routing and 1 LM324 (U*B) composition, 4 photosensitive
Resistance forms favour stone measuring circuit, and is connected by 1 foot of two resistance R3, R7 and LM324 and 3 feet, 1 foot of LM324 with
- 4 foot of output signal foot of resistance R2 and LM324 connect, and monolithic electromechanics mini system is transmitted to after signal is amplified, its advantage is that
It is not easy to be changed by power source internal resistance, the case where internal resistance changes greatly when common energy storage battery is powered is coped with this.
LM324 operational amplifiers just have differential amplification pattern, can further improve anti-interference ability, and Fig. 8 only shows electricity wherein all the way
Lu Tu, other several roads are identical with this.
It should be noted that in the utility model, the clock module, motor drive module, power module and brightness are adopted
Integrate the connection of module, location information acquisition module and single-chip minimum system as techniques well known, passes through corresponding interface
This is no longer described in detail in connection.
In specific implementation, in the utility model, the brightness acquisition module includes that fixed plate and ring are located at the fixation
Shading wall 56 on the outside of plate, the upper surface of the fixed plate form five photosensitive regions by baffle plate assembly 57, including is located at
The center photosensitive region of the heart and four outside photosensitive regions being evenly arranged on the outside of the photosensitive region of center, each photosensitive region
There are four the photo resistance 58 for interior installation.
In specific implementation, the height of the shading wall is more than the height of the baffle plate assembly.
The brightness acquisition module, can convert optical signal into electric signal, and the specific structure is shown in FIG. 3, be divided into 5 areas
Domain, including center photosensitive region 55 and four photosensitive region 51-54 of periphery, photosensitive region 51 are in lower position, photosensitive area
Domain 53 is in upper position；Shading wall 56 does light and suitably blocks；Interior zone is split by baffle plate assembly 57.If working as sunlight
When direct projection, 5 regions receive sunlight；If when sunlight slants, due to the effect of shading wall, can have a certain region cannot connect
Receive sunlight.
Wherein, in realization, the bottom of the electric pushrod 2 is connected and fixed floor 1, top is equipped with connecting plate 3, described
Stepper motor 4 is mounted on the connecting plate, and the electronic gyroscope 7 is mounted on side on the circular ring shape slide rheostat,
The circular ring shape slide rheostat 8 is mounted in the drive shaft for driving solar panels fixed plate rotation, the drive shaft with
The stepper motor connection.
Wherein, the fixed floor can be fixed on by the through-hole of 3 15mm in the earth or other planes.
The workflow of the utility model is as follows：
In a certain area installation this solar energy automatic spot-following device, the stroke of electric pushrod is adjusted according to this place latitude,
Make on direct sunlight solar panels.
Proof time is stored in sunrise and the sunset time in this place.According to the two time difference stepper motor is at the uniform velocity driven
Solar panels rotate, the function of being followed spot with completion " time control ".
It is simple that " time control " is used to follow spot, with the abrasion of mechanical structure and the variation of sun set/raise time, it will produce one
Fixed error.The function therefore addition " light-operated " is followed spot.
The Lighting information Acquisition Circuit in region 55 transmits signals to the microcontroller of microcontroller minimum control system in Fig. 3.
" 0 " signal is transmitted if the cloudy day, forbids rotating；" 1 " signal is transmitted if fine day, it is rotatable.
When sunlight incidence, if the intensity of illumination in region 51 is more than the intensity of illumination in region 53 in Fig. 3 in Fig. 3, should contract
The stroke of small electric pushrod makes the intensity of illumination in region 51 in Fig. 3 be substantially equal to the intensity of illumination in region 53 in Fig. 3；If Fig. 3
The intensity of illumination in middle region 51 is less than the intensity of illumination in region 53 in Fig. 3, then should extend the stroke of electric pushrod, make in Fig. 3
The intensity of illumination in region 51 is substantially equal to the intensity of illumination in region 53 in Fig. 3；To complete longitudinal follow spot.
When sunlight incidence, if the intensity of illumination in region 52 is more than the intensity of illumination in region 54 in Fig. 3 in Fig. 3, should make
Stepper motor rotates in the forward direction, and the intensity of illumination in region 2 in Fig. 3 is made to be substantially equal to the intensity of illumination in region 54 in Fig. 3；If in Fig. 3
The intensity of illumination in region 2 is less than the intensity of illumination in region 54 in Fig. 3, then stepper motor should be made to reversely rotate, make region 52 in Fig. 3
Intensity of illumination be substantially equal to the intensity of illumination in region 54 in Fig. 3；To complete laterally to follow spot.
Can be to carry out calibration of once " light-operated " following spot every 5 hours with default setting, other times are then adopted in specific implementation
The form followed spot with " time control ", to can not only complete accurately to follow spot, but also can be with the service life of prolonged mechanical structure, and reduce
Energy loss improves energy conversion efficiency.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (5)
1. a kind of solar energy automatic spot-following device, which is characterized in that including the rotatable solar panels being obliquely installed driven
Electric pushrod that fixed plate and the driving solar panels fixed plate longitudinally rotate, the driving solar panels fixed plate are lateral
The stepper motor of rotation；The high end side of the solar panels fixed plate is equipped with brightness acquisition module, low side is equipped with position
Information acquisition module includes electronic gyroscope and the circular ring shape sliding change for detecting solar panels transverse rotation angle change
Hinder device；Further include control single chip computer minimum system, the single-chip minimum system and clock module, motor drive module, power supply
Module and brightness acquisition module, the electrical connection of location information acquisition module.
2. solar energy automatic spot-following device as described in claim 1, which is characterized in that the brightness acquisition module includes fixed plate
And ring is located at the shading wall on the outside of the fixed plate, the upper surface of the fixed plate forms five photosensitive areas by baffle plate assembly
Domain, including centrally located center photosensitive region and be evenly arranged on the outside of the photosensitive region of center four outside photosensitive areas
Domain is equipped with multiple photo resistance in each photosensitive region.
3. solar energy automatic spot-following device as claimed in claim 2, which is characterized in that there are four light for installation in each photosensitive region
Quick resistance, four photo resistance form favour stone measuring circuit, four photo resistance in each induction region and LM324 operations
Amplifier connects, and forms luminance information Acquisition Circuit all the way.
4. solar energy automatic spot-following device as claimed in claim 2, which is characterized in that the height of the shading wall is more than the gear
The height of board group part.
5. solar energy automatic spot-following device as described in claim 1, which is characterized in that the bottom of the electric pushrod is connected and fixed
Floor, top are equipped with connecting plate, and the stepper motor is mounted on the connecting plate, and the electronic gyroscope is mounted on described
Side on circular ring shape slide rheostat, the circular ring shape slide rheostat, which is mounted on, drives the solar panels fixed plate rotation
In drive shaft, the drive shaft is connect with the stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252615.7U CN208044409U (en) | 2018-02-12 | 2018-02-12 | A kind of solar energy automatic spot-following device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252615.7U CN208044409U (en) | 2018-02-12 | 2018-02-12 | A kind of solar energy automatic spot-following device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044409U true CN208044409U (en) | 2018-11-02 |
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ID=63953115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820252615.7U Expired - Fee Related CN208044409U (en) | 2018-02-12 | 2018-02-12 | A kind of solar energy automatic spot-following device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208044409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161444A (en) * | 2020-09-23 | 2021-01-01 | 蒋龙全 | Energy-saving environment-friendly reciprocating uniform-speed rotating drying mechanism |
-
2018
- 2018-02-12 CN CN201820252615.7U patent/CN208044409U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161444A (en) * | 2020-09-23 | 2021-01-01 | 蒋龙全 | Energy-saving environment-friendly reciprocating uniform-speed rotating drying mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20220212 |