CN108181933B - Tracking control method for trough type solar system - Google Patents
Tracking control method for trough type solar system Download PDFInfo
- Publication number
- CN108181933B CN108181933B CN201711495967.1A CN201711495967A CN108181933B CN 108181933 B CN108181933 B CN 108181933B CN 201711495967 A CN201711495967 A CN 201711495967A CN 108181933 B CN108181933 B CN 108181933B
- Authority
- CN
- China
- Prior art keywords
- groove type
- angle
- speed reducer
- type condenser
- trough
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
Abstract
The invention discloses a tracking control method of a trough type solar system, which comprises the following steps: calculating the altitude angle and the azimuth angle of the sun according to the altitude, the longitude and latitude, the date and the time; the direction of the groove type condenser is controlled according to the altitude angle and the azimuth angle of the sun, so that the groove type condenser is opposite to the sun, and the condenser collects light on the heat collecting pipe. The invention can track the external environmental conditions in real time and adjust the running state of the trough collector in real time according to the external environmental conditions so as to improve the utilization efficiency of solar energy.
Description
Technical Field
The invention relates to a groove type solar photo-thermal technology, in particular to a tracking control method of a groove type solar system.
Background
The trough type solar heat collection mode is an ideal solar energy utilization technology at present, and belongs to a single-shaft tracking system. The conventional control scheme is: the mechanical structure is positioned by using an inclination angle sensor or a rotary encoder, the current angle of the heliostat is known, meanwhile, the theoretical angle of the mechanical structure is calculated according to an astronomical algorithm, and when the two angles have deviation, the movement of 2 oil cylinders is driven, so that the heliostat rotates to an ideal position. The tracking control comprises two modes, namely a groove type heliostat support tracking control system based on hydraulic cylinder driving and a groove type heliostat support control system based on motor driving.
The external environment temperature and the radiation quantity are changed in real time, and the existing control mode is to adjust the trough collector according to preset parameters, so that the trough collector cannot be completely adapted to the external environment conditions.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a tracking control method of a trough solar system, which can track external environmental conditions in real time and adjust the running state of a trough heat collector in real time according to the external environmental conditions so as to improve the utilization efficiency of solar energy.
The technical scheme is as follows:
a tracking control method for a trough type solar system comprises the following steps:
calculating the altitude angle and the azimuth angle of the sun according to the altitude, the longitude and latitude, the date and the time;
the direction of the groove type condenser is controlled according to the altitude angle and the azimuth angle of the sun, so that the groove type condenser is opposite to the sun, and the condenser collects light on the heat collecting pipe.
Further: the current meteorological data and the radiation value are used as adjustment parameters to be sent to the solar tracker, the solar tracker sends out an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to a set position.
Further: when severe weather conditions occur, the solar tracker sends an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to the danger avoiding state.
Furthermore, the angle of the groove type condenser is finely adjusted according to the working condition parameters of the equipment, so that accurate positioning is realized.
Further: the step of finely adjusting the angle of the trough condenser according to the working condition parameters of the equipment comprises the following steps:
calculating the target heat collection energy of the whole trough type heat collector according to the current meteorological data, the radiation value and the actually installed heat collection area;
receiving temperature signals, pressure signals and flow signals of an inlet and an outlet of heat conducting oil of the groove type condenser in real time, and calculating temperature difference and current actual heat collecting energy according to the temperature, the pressure and the flow of the heat conducting oil;
comparing the target heat collection energy, the current actual heat collection energy and the temperature difference, and outputting an adjusting signal to the solar tracker;
the solar tracker receives the adjusting signal, sends an instruction to control the rotating direction and the rotating angle of the speed reducer, and the speed reducer drives the groove type reflecting plate to rotate to a set position.
Compared with the prior art, the invention has the technical effects that:
the invention can track the external environmental conditions in real time, and adjust the running state and the angle of the trough type heat collector in real time according to the external environmental conditions so as to improve the utilization efficiency of solar energy.
The invention can adjust the angle of the trough type heat collector in real time according to the operation condition of the equipment, realize the optimal operation state of the equipment, improve the operation efficiency of the equipment and adapt to the heat supply requirement.
Detailed Description
The technical solution of the present invention will be described in detail with reference to exemplary embodiments. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
The tracking control method of the trough type solar system specifically comprises the following steps:
step 1: calculating the altitude angle and the azimuth angle of the sun according to the altitude, the longitude and latitude, the date and the time;
step 2: the direction of the groove type condenser is controlled according to the altitude angle and the azimuth angle of the sun, so that the groove type condenser is opposite to the sun, and the condenser collects light on the heat collecting pipe.
And step 3: and finely adjusting the angle of the groove type condenser according to the working condition parameters of the equipment to realize accurate positioning.
Step 31: calculating the target heat collection energy of the whole trough type heat collector according to the current meteorological data, the radiation value and the actually installed heat collection area;
the current meteorological data and the radiation value are used as adjustment parameters to be sent to the solar tracker, the solar tracker sends out an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to a set position.
When severe weather conditions such as strong wind, rain, snow and the like occur, the solar tracker sends an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to the danger avoiding state.
Step 32: receiving temperature signals, pressure signals and flow signals of an inlet and an outlet of heat conducting oil of the groove type condenser in real time, and calculating temperature difference and current actual heat collecting energy according to the temperature, the pressure and the flow of the heat conducting oil;
step 33: comparing the target heat collection energy, the current actual heat collection energy and the temperature difference, and outputting an adjusting signal to the solar tracker;
step 34: the solar tracker receives the adjusting signal, sends an instruction to control the rotating direction and the rotating angle of the speed reducer, and the speed reducer drives the groove type reflecting plate to rotate to a set position.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (3)
1. A tracking control method for a trough type solar system comprises the following steps:
calculating the altitude angle and the azimuth angle of the sun according to the altitude, the longitude and latitude, the date and the time;
controlling the direction of the groove type condenser according to the altitude angle and the azimuth angle of the sun to enable the groove type condenser to be opposite to the sun, and condensing light on the heat collecting pipe;
finely adjusting the angle of the groove type condenser according to the working condition parameters of the equipment to realize accurate positioning; calculating the target heat collection energy of the whole trough type heat collector according to the current meteorological data, the radiation value and the actually installed heat collection area; receiving temperature signals, pressure signals and flow signals of an inlet and an outlet of heat conducting oil of the groove type condenser in real time, and calculating temperature difference and current actual heat collecting energy according to the temperature, the pressure and the flow of the heat conducting oil; comparing the target heat collection energy, the current actual heat collection energy and the temperature difference, and outputting an adjusting signal to the solar tracker; the solar tracker receives the adjusting signal, sends an instruction to control the rotating direction and the rotating angle of the speed reducer, and the speed reducer drives the groove type reflecting plate to rotate to a set position.
2. The trough solar system tracking control method of claim 1, wherein: the current meteorological data and the radiation value are used as adjustment parameters to be sent to the solar tracker, the solar tracker sends out an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to a set position.
3. The trough solar system tracking control method of claim 1, wherein: when severe weather conditions occur, the solar tracker sends an instruction to control the rotation direction and the rotation angle of the speed reducer, and the speed reducer drives the groove type condenser to rotate to the danger avoiding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495967.1A CN108181933B (en) | 2017-12-31 | 2017-12-31 | Tracking control method for trough type solar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495967.1A CN108181933B (en) | 2017-12-31 | 2017-12-31 | Tracking control method for trough type solar system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108181933A CN108181933A (en) | 2018-06-19 |
| CN108181933B true CN108181933B (en) | 2021-05-28 |
Family
ID=62549556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711495967.1A Active CN108181933B (en) | 2017-12-31 | 2017-12-31 | Tracking control method for trough type solar system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108181933B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474961A (en) * | 2020-04-22 | 2020-07-31 | 新石器慧通（北京）科技有限公司 | Solar cell panel angle adjusting method and device and unmanned vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201263130Y (en) * | 2008-08-18 | 2009-06-24 | 彩熙太阳能环保技术(天津)有限公司 | Sun tracking device for solar generating device |
| CN202494930U (en) * | 2012-02-27 | 2012-10-17 | 桑夏太阳能股份有限公司 | Sun tracking system of trough type solar energy collecting device |
| CN103335823B (en) * | 2013-06-25 | 2016-01-27 | 天威（成都）太阳能热发电开发有限公司 | The implementation method of trough type solar power generation heat collector thermal efficiency detection system |
| JP2016031184A (en) * | 2014-07-29 | 2016-03-07 | 東洋エンジニアリング株式会社 | Solar heat collection apparatus |
| CN105068563A (en) * | 2015-08-28 | 2015-11-18 | 刘丰 | Intelligent sun tracking method |
| CN106500364B (en) * | 2016-11-11 | 2018-12-28 | 内蒙古旭宸能源有限公司 | The quick avoiding device of groove type solar condenser |
-
2017
- 2017-12-31 CN CN201711495967.1A patent/CN108181933B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108181933A (en) | 2018-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130333745A1 (en) | Solar tracking for terrestrial solar arrays with variable start and stop positions | |
| CN102541089B (en) | Photovoltaic single-axis tracking system based on industrial wireless network and control method | |
| CN103149947B (en) | Solar energy tracking method with umbra versa tracking | |
| Amelia et al. | Technologies of solar tracking systems: A review | |
| CN102393750B (en) | Method for automatically tracking solar energy by using temperature variation | |
| CN104020789B (en) | Solar two-shaft tracking device driven by single thermal expander | |
| WO2012003585A1 (en) | Solar panel deployment system | |
| Chang | Tracking solar collection technologies for solar heating and cooling systems | |
| CN101586887A (en) | Method and device for trough solar heat collector to automatically track solar trace | |
| CN102566587A (en) | Photovoltaic group tracking device | |
| US20210194417A1 (en) | Elevated dual-axis photovoltaic solar tracking assembly | |
| CN100526753C (en) | Earth axis type solar furnace optical collector | |
| CN108181933B (en) | Tracking control method for trough type solar system | |
| CN202160132U (en) | Automatic tracking focus type solar concentrated photovoltaic power generation system | |
| KR20090010531A (en) | Tracking photovoltaic system based on location information | |
| KR100369897B1 (en) | Hybrid Type Sun Tracking Control System for Solar Concentrator | |
| CN108224815B (en) | Network-based trough type solar control system and control method | |
| CN105605806B (en) | A kind of sun tracker | |
| JP2017028974A (en) | High Efficiency Solar Power Generator | |
| CN203054615U (en) | Horizontal single-axis linkage tracking system | |
| CN104793647A (en) | Uniaxial solar automatic tracking control system based on GPS (global positioning system) and light sensing element | |
| CN103968576A (en) | Sun tracking system for groove type solar thermal collector | |
| KR101612426B1 (en) | Fixed type Solar Generator equipped with Reflector | |
| JP4873279B1 (en) | Non-powered solar tracking device | |
| Jani et al. | Linkage Synthesis for Solar Tracking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |