CN114674084A - Tracking type self-adjusting solar heat collector - Google Patents

Tracking type self-adjusting solar heat collector Download PDF

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Publication number
CN114674084A
CN114674084A CN202210340775.8A CN202210340775A CN114674084A CN 114674084 A CN114674084 A CN 114674084A CN 202210340775 A CN202210340775 A CN 202210340775A CN 114674084 A CN114674084 A CN 114674084A
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China
Prior art keywords
solar heat
collecting plate
heat collecting
ray tracing
light
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CN202210340775.8A
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Chinese (zh)
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CN114674084B (en
Inventor
李百战
商良钺
喻伟
束自语
路冰洁
张少星
王乐祥
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Chongqing University
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Chongqing University
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Publication of CN114674084A publication Critical patent/CN114674084A/en
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Publication of CN114674084B publication Critical patent/CN114674084B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/20—Cleaning; Removing snow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Abstract

The invention belongs to the technical field of solar energy utilization, and particularly relates to a tracking type self-adjusting solar heat collector, which comprises a solar heat collecting plate and a ray tracking mechanism, wherein the ray tracking mechanism comprises a ray tracking device, a driving mechanism and a control module; the light ray tracking device comprises a plurality of light ray tracking modules which are arranged along the pitching and horizontal rotating directions of the solar heat collecting plate, wherein one light ray tracking module is positioned at the center of the solar heat collecting plate, and each light ray tracking module can sense the intensity of light rays irradiating the light ray tracking module; the control module is used for sending an instruction for enabling the solar heat collection plate to horizontally or vertically rotate in the direction in which the light tracking module with higher perceived light intensity is located according to the light intensity perceived by each light tracking module until the light intensity perceived by the light tracking module at the center of the solar heat collection plate is greater than that of all other light tracking modules; the driving mechanism is connected with the solar heat collecting plate and used for driving the solar heat collecting plate to rotate horizontally and in a pitching mode according to the instruction of the control module.

Description

Tracking type self-adjusting solar heat collector
Technical Field
The invention relates to the technical field of solar energy utilization, in particular to a tracking type self-adjusting solar heat collector.
Background
Solar energy is a clean energy source, and the utilization of the solar energy is very wide, and a flat plate type solar heat collector is one of the solar energy heat collectors. Due to different areas and different time, the sunlight irradiation angles are different, and the utilization rate of sunlight is highest when the sunlight is directly irradiated. The existing flat plate type solar heat collector is almost fixed, so that sunlight with constantly changing angles cannot be fully utilized by the heat collector, and the daily average solar energy utilization rate of the heat collector is low.
Disclosure of Invention
The invention aims to provide a tracking type self-adjusting solar heat collector, which solves the technical problem that the daily average solar energy utilization rate of the conventional flat plate type solar heat collector is low.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a ray tracing solar heat collector comprises a solar heat collecting plate and a ray tracing mechanism which are connected with each other;
the ray tracing mechanism comprises a ray tracing device, a driving mechanism and a control module;
the light ray tracking device is arranged at the center of one side of the solar heat collecting plate, which receives sunlight, and comprises a plurality of light ray tracking modules which are distributed along the pitching and horizontal rotating directions of the solar heat collecting plate, wherein one light ray tracking module is positioned at the center of the solar heat collecting plate, and each light ray tracking module can sense the intensity of light rays irradiated on the light ray tracking module;
the control module is used for sending an instruction for enabling the solar heat collection plate to horizontally or vertically rotate in the direction in which the light tracking module with higher perceived light intensity is located according to the light intensity perceived by each light tracking module until the light intensity perceived by the light tracking module at the center of the solar heat collection plate is greater than that of all other light tracking modules;
the driving mechanism is connected with the solar heat collecting plate and used for driving the solar heat collecting plate to rotate horizontally and in a pitching mode according to the instruction of the control module.
Furthermore, ray tracing device is formed by two semicylindrical bases quadrature, and ray tracing module is the profile uniform setting along two semicylindrical bases crosswise on the plane.
Furthermore, the intersection point of the two semicylinders is set to be 0 degree, a ray tracing module is arranged at the intersection point, and two identical ray tracing modules are respectively arranged at the positions of 30 degrees and 60 degrees along the two sides of the circular arc on the two semicylinders.
Furthermore, the ray tracing module is box-shaped, the upper side is a filter plate, and the lower side is provided with a photosensitive resistor for sensing the intensity of the rays.
Further, the ray tracing device is embedded in the solar heat collecting plate, and the upper part of the ray tracing device is sealed by glass flush with the surface of the solar heat collecting plate.
Further, a self-cleaning device is arranged on the surface of the solar heat collecting plate, and the self-cleaning device comprises a self-cleaning device guide rail, a driving wheel and a brush;
the self-cleaning device guide rail and the driving wheel are arranged on two opposite side edges of the solar heat collecting plate in pairs, and the driving wheel can reciprocate along the self-cleaning device guide rail under the driving of an external driving device; the brush is strip-shaped, is positioned between the driving wheels at the two sides of the solar heat collecting plate, can move along with the driving wheels and is in contact with the surface of the solar heat collecting plate.
Further, the control module is also used for controlling the driving mechanism and the self-cleaning device according to the following strategies:
the resistance value of the photoresistor has two or more maximum values in the horizontal or pitching direction;
case 2. when the minimum point of the photoresistor is positioned at the photoresistor at the central part, the difference of the resistance values of the photoresistors at the periphery is more than 30 percent;
case 3. after the angle is adjusted circularly, the minimum point of the photoresistor appears in one of the four photoresistors at the outermost side;
when the situation occurs, the self-cleaning device is started to clean the surface of the solar heat collecting plate, the solar heat collecting plate returns to the horizontal position, and the sun ray tracing is started again.
Further, after the above three conditions are met, three different ray tracing compensation methods can be implemented according to different conditions:
when the situation 1 occurs, firstly adjusting the pitching angle to enable the solar heat collecting plate to be in a vertical posture, starting with the vertical posture, rotating the solar heat collecting plate for 180 degrees in the pitching direction, taking the photoresistor at the central part as reference, recording the resistance value of the photoresistor, after the recording is finished, adjusting the solar heat collecting plate to the position where the central photoresistor is the minimum, and then adjusting the horizontal angle according to the same method, wherein the pitching angle is kept unchanged in the adjusting process;
when case 2 occurs, the same as case 1;
and when the condition 3 occurs, the solar heat collecting plate is rotated to the direction by a corresponding angle according to the direction and the angle of the photoresistor with the minimum corresponding resistance value deviating from the center photoresistor.
Further, the self-cleaning time is shifted to night.
Further, in the cleaning process, the solar heat collecting plate is firstly placed in a horizontal posture, then the brush is used for cleaning back and forth, and then the brush is placed in a vertical state for cleaning back and forth.
The invention has the beneficial effects that: the invention utilizes the plurality of ray tracing modules to sense the difference between the ray intensities to position the direction with the strongest ray, and utilizes the driving mechanism to drive the solar heat collecting plate to turn to the direction, thereby enabling the solar heat collecting plate to carry out ray tracing and improving the energy utilization rate and the operating efficiency of the solar heat collecting plate.
In other embodiments of the present invention, in consideration of tracking errors caused by dirt such as bird droppings and dust which may occur during the use of the ray tracing module, the self-cleaning device is entered and a strategy for detecting whether the dirt occurs to cause the tracking errors is set, so that the self-cleaning device can be started in time or according to a manually set time period to remove the dirt, the tracking errors can be corrected in time by using a ray tracing compensation method, or the cleaning can be performed at night without affecting the collection of energy by the solar heat collecting panel, thereby improving the solar energy utilization rate and reducing the solar energy utilization rate.
Drawings
Fig. 1 is a front view of a tracking type self-regulating solar collector in an embodiment of the present invention;
fig. 2 is a left side view of the tracking type self-adjusting solar collector in fig. 1.
Fig. 3 is a schematic structural diagram of an optical ray tracing apparatus according to an embodiment of the present invention, in which (a) is a left side view and a partially enlarged view thereof, (b) is a right side view, and (c) is a right side view.
Fig. 4 is a schematic diagram illustrating a working flow of ray tracing of the tracking type self-regulating solar thermal collector in the embodiment of the present invention.
Reference numerals in the drawings of the specification include: 1-ray tracing means; 2-horizontal rotating shaft; 3-solar heat collecting plate; 4-a balance bar; 5-a horizontal motor; 6-a pitching motor; 7-horizontal transmission gear set; 8-a pitch drive gear set; 9-a semi-circular adjustment gear; 10-an optical filter; 11-a photoresistor; 12-a self-cleaning device guide rail; 13-a drive wheel; 14-a brush; 15-rocker arm, 16-fixed arm, 17-pitching rotating shaft and 18-base.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1 and 2, the tracking type self-adjusting solar thermal collector in the present embodiment mainly includes a solar thermal collecting plate 3 and a ray tracking mechanism;
the optical ray tracing mechanism comprises an optical ray tracing device 1 and a driving mechanism, wherein the driving mechanism comprises a rocker arm 15, a fixed arm 16, a horizontal rotating shaft 2, a balancing rod 4, a horizontal motor 5, a horizontal transmission gear set 7, a pitching motor 6, a pitching rotating shaft 17, a pitching transmission gear set 8 and a semicircular adjusting gear 9.
As shown in fig. 2, the horizontal rotation shaft 2 is located below the solar heat collecting plate 3, the solar heat collecting plate 3 extends downward to form a connecting portion, the horizontal rotation shaft 2 passes through the connecting portion, and the horizontal rotation shaft 2, the connecting portion and the lower swing arm 15 form a pivot connection relationship. The balance rod 4 is used for stabilizing the solar heat collecting plate and transmitting power to adjust the horizontal angle of the solar heat collecting plate 3, and is composed of a horizontal rod and two vertical rods, one end of each of the two vertical rods is hinged to the end of the horizontal rod, and two ends of each horizontal rod are respectively hinged to one vertical rod; one ends of the two vertical rods far away from the horizontal rod are respectively hinged with a connecting rod fixed on the solar heat collecting plate 3 above the two vertical rods. The rocker arm 15 is a hollow structure, the horizontal motor 5 and the horizontal transmission gear set 7 are positioned in the rocker arm 15, the horizontal transmission gear set 7 comprises a first horizontal transmission gear, a second horizontal transmission gear, a third horizontal transmission gear and a horizontal gear shaft, the first horizontal transmission gear, the second horizontal transmission gear and the third horizontal transmission gear are all vertically arranged, two ends of the horizontal gear shaft are respectively fixed in gear holes of the first horizontal transmission gear and the second horizontal transmission gear, the third horizontal transmission gear is meshed with the second horizontal transmission gear, the third horizontal transmission gear is fixedly connected to the side wall of the middle point of the horizontal rod through a mandrel, the first horizontal transmission gear is a helical gear, a driving gear is coaxially fixed on an output shaft of the horizontal motor 5, the driving gear is also a helical gear and is meshed with the first horizontal transmission gear, and then the torque output by the horizontal motor 5 is transmitted through the first horizontal transmission gear, The horizontal gear shaft, the second horizontal transmission gear and the third horizontal transmission gear are specially transferred to the horizontal rod of the balance rod 4, the horizontal rod rotates around the axial direction of the mandrel along with the third transmission gear, so that the solar heat collecting plate is driven to horizontally adjust, and therefore a space for the two ends of the horizontal rod to swing up and down is reserved on the rocker arm 15, and in the embodiment, the space is a crack formed in the rocker arm 15.
As shown in fig. 1, the fixed arm 16 is pivotally connected to the semicircular adjusting gear 9 through a pitch rotating shaft 17, and the swing arm 15 is fixedly connected to the semicircular adjusting gear 9, wherein the pivot direction of the pivotal connection is a pitch direction, and is orthogonal to the pivot direction formed by the horizontal rotating shaft 2, the connecting portion and the swing arm 15, i.e. a horizontal direction. The fixing arm 16 is also of a hollow structure, the pitching motor 6 and the pitching transmission gear set 8 are arranged in the fixing arm, and the pitching motor 6 transmits power to the semicircular adjusting gear 9 through the pitching transmission gear set so as to perform pitching adjustment on the rocker arm 15, so that pitching adjustment of the solar heat collecting plate is completed.
The structure of the ray tracing device 1 is basically as shown in fig. 3, the ray tracing device 1 is embedded in a solar heat collecting plate, the upper part of the ray tracing device is sealed by glass flush with the surface of the solar heat collecting plate, the ray tracing device is formed by two semicylindrical bases 17 which are orthogonal, the radius of each semicylindrical base is 100mm, the height of each semicylindrical base is 25mm, nine ray tracing modules are included, each ray tracing module is a cubic box with the length, the width and the height of 20mm, four inner surfaces of the side surface and the inner surface of the lower side of the side surface are blackened, reflection of rays is reduced, the upper side of the ray tracing module is a light filtering plate 10 and is used for reducing the brightness of the rays, and the lower side of the ray tracing module is provided with a photosensitive resistor 11, so that the photosensitive resistor can have obvious resistance difference during operation. The ray tracing modules are uniformly arranged on the plane in a cross shape along the outer contours of the two semicircular bases, the intersection point of the two semicylinders is 0 degree, the ray tracing modules are arranged at the intersection point, and the two semicylinders are respectively arranged at 30 degrees and 60 degrees along the two sides of the circular arc and are respectively provided with two identical ray tracing modules. In this embodiment, the photo-resistor 11 at the central position (position of central 0 point) is located at the normal line of the solar heat collecting plate and is also the intersection of the vertical axes of the two semicircular bases, and one of the two semicircular bases is circumferentially arranged along the rotation of the horizontal rotating shaft 2, so that the photo-resistor 11 on the semicircular base is arranged along the horizontal adjusting direction of the solar heat collecting plate, and the other is circumferentially arranged along the rotation of the semicircular adjusting gear 9, so that the photo-resistor 11 on the semicircular base is arranged along the pitching adjusting direction of the solar heat collecting plate.
When sunlight irradiates on the ray tracking device, the nine photoresistors 11 are irradiated by rays with different intensities, the resistance value is changed, the position with the strongest sunlight can be judged according to the photoresistor 11 corresponding to the minimum resistance value, and the normal line of the solar heat collecting plate 3 is adjusted to rotate towards the direction with the minimum resistance value through horizontal adjustment and pitching adjustment. And judging the nine photoresistors again after the adjustment is finished, and if the photoresistor at the central part is not the lowest resistance value, readjusting the normal of the solar heat collection plate to align to the new lowest resistance position.
Specifically, in this embodiment, an adjustment process shown in fig. 4 is adopted, and first, it is determined whether the resistance value of the photo resistor at the position of 0 point in the center of the light tracking solar heat collecting plate is the minimum, if not, the horizontal direction adjustment is started first, and the photo resistor with the minimum resistance value is rotated by a fixed value in the direction of the photo resistor with the minimum resistance value in the horizontal direction of the solar heat collecting plate, which is 15 ° in this embodiment, after the adjustment is completed, the resistance values of the photo resistors arranged in the horizontal direction are compared again, and it is determined whether the resistance value of the photo resistor at the position of 0 point in the photo resistors arranged in the horizontal direction is the minimum, and if not, the photo resistor is rotated again. And stopping until the lowest resistance position in all the photoresistors arranged in the horizontal direction is the photoresistor at the position of the central 0 point or after circulation adjustment is carried out for ten times. This is followed by an adjustment in the pitch direction, the process being the same as in the horizontal direction. It is also possible to adjust first in the pitch direction and then in the horizontal direction.
In this embodiment, the surface of the solar heat collecting plate 3 is provided with a self-cleaning device for self-cleaning when the transparent surface above the solar tracking device is stuck with dirt such as bird droppings or dust and one or more solar tracking modules are shielded. The self-cleaning device comprises a self-cleaning device guide rail 12, a driving wheel 13 and a hairbrush 14; the cleaning device guide rail 57 and the driving wheel 13 are arranged on two opposite side edges of the solar heat collecting plate 3 in pairs, and the driving wheel can reciprocate along the self-cleaning device guide rail 12 under the drive of an external driving device (such as a motor); the brush 14 is in a strip shape, is positioned between the driving wheels 58 on both sides of the solar heat collecting plate 3, can move along with the driving wheels 13, and is in contact with the surface of the solar heat collecting plate 3.
In the adjustment process, the solar tracking module can be judged to be shielded when the following conditions occur:
case 1. the resistance of the photo-resistor has two or more maximum values in the horizontal or pitch direction.
And 2, when the minimum value point of the photoresistor is positioned at the photoresistor at the central part, the difference of the resistance values of the photoresistors at the periphery is more than 30%.
And 3, after the angle is adjusted circularly, the minimum value point of the photoresistor appears in one of the four photoresistors at the outermost side.
When the situation occurs, the dirt on the surface of the solar heat collecting plate is judged to be required to be cleaned, and reminding information can be sent to a user. According to the selection of the user, the cleaning can be selected to be performed immediately. At this time, the self-cleaning device is started to clean the surface of the solar heat collecting plate. During cleaning, the solar collector panel will first be placed in a horizontal position and then the brush will perform a back and forth cleaning. Then in the vertical state, the first back-and-forth cleaning is carried out. After 30 minutes, the solar collector panel returned to the horizontal position and solar ray tracing was resumed.
According to the selection of a user, the self-cleaning time can be adjusted to be night, and the self-cleaning in the time period with sufficient solar energy in the day is reduced as much as possible, so that the waste of the solar energy is reduced.
After the above three cases, three different ray tracing compensation methods can be implemented according to different situations:
when the situation 1 occurs, the pitching angle is adjusted to enable the solar heat collecting plate to be in a vertical posture, the solar heat collecting plate is rotated 180 degrees in the pitching direction by taking the pitching angle as a starting point, and the resistance value of the photosensitive resistor is recorded by taking the photosensitive resistor at the central part as a reference. After the recording is finished, the solar heat collecting plate is adjusted to the position where the central photoresistor is minimum. And then, the horizontal angle is adjusted according to the same method, and the pitch angle is kept unchanged in the adjusting process.
Case 2 occurs, as in case 1.
And when the situation 3 occurs, the minimum value point of the photoresistor appears on other non-central photoresistors, and the solar heat collection plate is rotated to the position by a corresponding angle according to the position and the angle of the corresponding photoresistor deviating from the central photoresistor, so that the compensation tracking method is adopted.
In this embodiment, the control module implements an algorithm according to data collected by the photo resistors to control the operation of the motors, thereby implementing corresponding actions.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A ray tracing solar heat collector comprises a solar heat collecting plate and a ray tracing mechanism which are connected with each other;
the light ray tracing mechanism is characterized by comprising a light ray tracing device, a driving mechanism and a control module;
the light ray tracking device is arranged at the center of one side of the solar heat collecting plate, which receives sunlight, and comprises a plurality of light ray tracking modules which are distributed along the pitching and horizontal rotating directions of the solar heat collecting plate, wherein one light ray tracking module is positioned at the center of the solar heat collecting plate, and each light ray tracking module can sense the intensity of light rays irradiated on the light ray tracking module;
the control module is used for sending an instruction for enabling the solar heat collecting plate to rotate horizontally or in a pitching mode in the direction where the light tracking module with higher perceived light intensity is located according to the light intensity perceived by each light tracking module until the light intensity perceived by the light tracking module located at the center of the solar heat collecting plate is higher than that of all other light tracking modules;
the driving mechanism is connected with the solar heat collecting plate and used for driving the solar heat collecting plate to rotate horizontally and in a pitching mode according to the instruction of the control module.
2. The ray tracing solar collector according to claim 1, wherein the ray tracing device is formed by two semicylindrical bases being orthogonal, and the ray tracing modules are uniformly arranged along the outer contours of the two semicylindrical bases in a cross shape on a plane.
3. The ray tracing solar collector according to claim 1, wherein the intersection point of the two semicylinders is 0 degree, a ray tracing module is arranged at the intersection point, and two identical ray tracing modules are respectively arranged at the positions of 30 degrees and 60 degrees along the two sides of the arc on the two semicylinders.
4. The ray tracing solar collector according to claim 1, wherein the ray tracing module is box-shaped, the upper side is a filter plate, and the lower side is provided with a photo-resistor for sensing the intensity of the rays.
5. A ray tracing solar collector according to claim 4, wherein the ray tracing means is embedded within the solar collector panel and sealed by glass flush with the surface of the solar collector panel.
6. The ray tracing solar collector according to claim 5, wherein a self-cleaning device is disposed on the surface of said solar collector panel, the self-cleaning device comprising a self-cleaning device guide rail, a driving wheel and a brush;
the self-cleaning device guide rail and the driving wheel are arranged on two opposite side edges of the solar heat collecting plate in pairs, and the driving wheel can reciprocate along the self-cleaning device guide rail under the driving of an external driving device; the brush is strip-shaped, is positioned between the driving wheels at the two sides of the solar heat collecting plate, can move along with the driving wheels and is in contact with the surface of the solar heat collecting plate.
7. The ray tracing solar collector of claim 6, wherein the control module is further configured to control the driving mechanism and the self-cleaning device according to the following strategies:
the resistance value of the photoresistor has two or more maximum values in the horizontal or pitching direction;
case 2. when the minimum point of the photoresistor is positioned at the photoresistor at the central part, the difference of the resistance values of the photoresistors at the periphery is more than 30 percent;
case 3. after the angle is adjusted circularly, the minimum point of the photoresistor appears in one of the four photoresistors at the outermost side;
when the situation occurs, the self-cleaning device is started to clean the surface of the solar heat collecting plate, the solar heat collecting plate returns to the horizontal position, and the sun ray tracing is started again.
8. A ray tracing solar collector as claimed in claim 7, wherein after three conditions have occurred, three different ray tracing compensation methods may be implemented according to different conditions:
when the situation 1 occurs, firstly adjusting the pitching angle to enable the solar heat collecting plate to be in a vertical posture, starting with the vertical posture, rotating the solar heat collecting plate for 180 degrees in the pitching direction, taking the photoresistor at the central part as reference, recording the resistance value of the photoresistor, after the recording is finished, adjusting the solar heat collecting plate to the position where the central photoresistor is the minimum, and then adjusting the horizontal angle according to the same method, wherein the pitching angle is kept unchanged in the adjusting process;
when case 2 occurs, the same as case 1;
and when the condition 3 occurs, the solar heat collecting plate is rotated to the direction by a corresponding angle according to the direction and the angle of the photoresistor with the minimum corresponding resistance value deviating from the center photoresistor.
9. The ray tracing solar collector according to claim 7, wherein the self-cleaning time is shifted to night.
10. The ray tracing solar collector of claim 7, wherein during cleaning, the solar collector panel is first set in a horizontal position, then the brush is set in a back and forth cleaning state, and then the brush is set in a vertical state for a second back and forth cleaning state.
CN202210340775.8A 2022-04-02 2022-04-02 Tracking type self-adjusting solar heat collector Active CN114674084B (en)

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CN114674084B CN114674084B (en) 2023-04-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010007564U1 (en) * 2010-06-04 2010-09-30 Gschwendtner, Josef Cleaning device and cleaning system for thermal solar systems and photovoltaic systems
CN202581887U (en) * 2012-03-31 2012-12-05 江苏浴普太阳能有限公司 Solar heat collecting plate with automatic cleaning effect
CN103901900A (en) * 2014-03-01 2014-07-02 南昌大学 Solar energy all-dimensional automatic tracker
CN105526720A (en) * 2014-10-04 2016-04-27 青岛鑫润土苗木专业合作社 Auto-cleaning high-heat-production type flat plate solar collector
CN109546949A (en) * 2019-01-10 2019-03-29 常熟华兴创新能源科技有限公司 A kind of structure and solar tracking method of easy intelligent sun tracking system
CN210327463U (en) * 2019-06-08 2020-04-14 福州兴创云达新材料科技有限公司 Outdoor automatic tracking dust removal photovoltaic power generation device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010007564U1 (en) * 2010-06-04 2010-09-30 Gschwendtner, Josef Cleaning device and cleaning system for thermal solar systems and photovoltaic systems
CN202581887U (en) * 2012-03-31 2012-12-05 江苏浴普太阳能有限公司 Solar heat collecting plate with automatic cleaning effect
CN103901900A (en) * 2014-03-01 2014-07-02 南昌大学 Solar energy all-dimensional automatic tracker
CN105526720A (en) * 2014-10-04 2016-04-27 青岛鑫润土苗木专业合作社 Auto-cleaning high-heat-production type flat plate solar collector
CN109546949A (en) * 2019-01-10 2019-03-29 常熟华兴创新能源科技有限公司 A kind of structure and solar tracking method of easy intelligent sun tracking system
CN210327463U (en) * 2019-06-08 2020-04-14 福州兴创云达新材料科技有限公司 Outdoor automatic tracking dust removal photovoltaic power generation device

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