CN106200694A - A kind of dot matrix facula position feedback device and method - Google Patents
A kind of dot matrix facula position feedback device and method Download PDFInfo
- Publication number
- CN106200694A CN106200694A CN201610753158.5A CN201610753158A CN106200694A CN 106200694 A CN106200694 A CN 106200694A CN 201610753158 A CN201610753158 A CN 201610753158A CN 106200694 A CN106200694 A CN 106200694A
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- hot spot
- thermal insulation
- insulation board
- dish
- parts
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- 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
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
nullThe invention discloses a kind of dot matrix facula position feedback device and method，Purpose is，Utilize thermometric components and parts that the heat entrained by hot spot is carried out perception，Carry out feeding back to solar light tracking system，Thus feed back hot spot position deviation，And facula position feedback stability is accurate，The technical scheme that device is used is: include thermal insulation board (1)，Hot spot hole (2) is offered on thermal insulation board (1)，Several thermometric components and parts (3) it are provided with on described thermal insulation board (1)，Thermometric components and parts (3) are connected to the solar light tracking system of dish-style light heat generator，During the normal tracking sunlight of solar light tracking system of dish-style light heat generator，The hot spot of dish-style mirror reflection completely extends across hot spot hole (2)，When there is deviation in the solar light tracking system tracking sunlight of dish-style light heat generator，The hot spot of dish-style mirror reflection has and is partly or entirely radiated on thermal insulation board，The thermometric components and parts (3) arranged on thermal insulation board are to solar light tracking system feedback temperature information.
Description
Technical field
The invention belongs to sunshine tracking technical field, be specifically related to a kind of dot matrix facula position feedback device and method.
Background technology
In solar energy optical-thermal field, owing to the irradiating angle of the sun is change, utilize in the method for solar electrical energy generation, for
Raising generating efficiency, in limited area, reception sunlight as much as possible, is directed to sunshine tracking problem, the most how to allow
Sunlight incident direction is parallel with receptor normal direction.Solar light-heat power-generation system mainly has tower, slot type and dish-style three kinds too
Sun can system.Owing to there is the cosine losses of sunlight in tower and slot type photo-thermal solar energy system so that its photothermal deformation is imitated
Rate, and the lifting of generating efficiency is restricted, current tower type solar is also in the field experiment stage, and slot type is the first success
Business-like solar energy is equipped；Solar light focusing the adding near focal point that dish-style photo-thermal solar energy system is emitted onto in disc
Heat, heat carrier can reach 600 DEG C or higher temperature, can make dish face the most just to too by the regulation in dish face simultaneously
Sun, thus eliminate cosine losses, improve the utilization rate of solar energy.The solar light tracking system of current dish-style light heat generator is deposited
In facula position feedback instability, coarse problem.
Summary of the invention
In order to solve the problems of the prior art, the present invention proposes a kind of dot matrix facula position feedback device and method,
Utilize thermometric components and parts that the heat entrained by hot spot is carried out perception, carry out feeding back to solar light tracking system, thus feed back hot spot
Position deviation, and facula position feedback stability is accurate.
In order to realize object above, the technical solution adopted in the present invention is:
A kind of dot matrix facula position feedback device, including thermal insulation board, thermal insulation board offers hot spot hole, described thermal insulation board
On be provided with several thermometric components and parts, thermometric components and parts are connected to the solar light tracking system of dish-style light heat generator, dish
During the normal tracking sunlight of solar light tracking system of formula light heat generator, the hot spot of dish-style mirror reflection completely extends across hot spot
Hole, when deviation occurs in the solar light tracking system tracking sunlight of dish-style light heat generator, the hot spot of dish-style mirror reflection has
Partly or entirely being radiated on thermal insulation board, the thermometric components and parts that thermal insulation board is arranged are to solar light tracking system feedback temperature information.
Several thermometric components and parts described are arranged in dot matrix on the thermal insulation board of hot spot hole periphery.
Distance between described adjacent thermometric components and parts is less than the diameter of the hot spot of dish-style mirror reflection.
Several thermometric components and parts described are the matrix arrangement of 6 × 7.
Described thermometric components and parts use thermoelectricity occasionally critesistor.
Described hot spot hole is circular port.
A kind of dot matrix facula position feedback method, first sets several thermometric components and parts on thermal insulation board, and makes some
Individual thermometric components and parts are connected to the solar light tracking system of dish-style light heat generator；Then start solar light tracking system and follow the trail of sun
Light, during the normal tracking sunlight of solar light tracking system, the hot spot of dish-style mirror reflection completely extends across the hot spot hole of thermal insulation board；Sunlight
When deviation occurs in tracking system tracks sunlight, the hot spot of dish-style mirror reflection has and is partly or entirely radiated on thermal insulation board,
The thermometric components and parts arranged on thermal insulation board are to solar light tracking system feedback temperature information, and solar light tracking system obtains thermometric components and parts
Temperature information, prompting tracking sunlight deviation occurs.
Compared with prior art, assembly of the invention is opened the light speckle hole on thermal insulation board, makes the sun of dish-style light heat generator
During the normal tracking sunlight of optical tracking system, the hot spot of dish-style mirror reflection completely extends across hot spot hole, sets on thermal insulation board simultaneously
Putting several thermometric components and parts, several thermometric components and parts are connected to solar light tracking system, during sunshine tracking continue to
Solar light tracking system feedback temperature information, when there is deviation in the solar light tracking system tracking sunlight of dish-style light heat generator,
Facula position will deviate appointment position, has part or all of hot spot and occurs on thermal insulation board, and thermal insulation board is irradiated by hot spot
Position temperature will raise, and temperature value on thermal insulation board can centered by the hot spot center of circle, with loaarithmic curve relation uniformly to
Surrounding spreads, and i.e. can occur a series of isothermal loop on thermal insulation board with the hot spot center of circle as the center of circle, and hot spot circle centre position temperature is
Height, on thermal insulation board arrange thermometric components and parts the temperature of each point on thermal insulation board is measured, by temperature value to sunlight with
The position of track system feedback hot spot, thus solar light tracking system is carried out position adjustment thus normal tracking sunlight, it is ensured that dish-style
The stability of light heat generator, the present invention utilizes thermometric components and parts that the heat entrained by hot spot is carried out perception, to sunlight with
Track system carries out the feedback of facula position, has response time short, willing advantage.
In the method for the present invention during the normal tracking sunlight of the solar light tracking system of dish-style light heat generator, dish-style illuminator
The hot spot of reflection completely extends across hot spot hole, when there is deviation in the solar light tracking system tracking sunlight of dish-style light heat generator,
Facula position will deviate appointment position, has part or all of hot spot and occurs on thermal insulation board, and thermal insulation board is irradiated by hot spot
Position temperature will raise, and utilizes several thermometric components and parts being arranged on thermal insulation board to believe to solar light tracking system feedback temperature
Breath, thus find that deviation occurs in tracking, thus solar light tracking system is carried out position adjustment thus normal tracking sunlight, the present invention
Method to have response time short, reaction accurately, reliable and stable advantage, it is possible to feed back to solar light tracking system in time and track out
Existing deviation, to be adjusted the trace location of solar light tracking system in time, makes the reliable and stable work of dish-style light heat generator
Make.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention；
Wherein, 1-thermal insulation board, 2-hot spot hole, 3-thermometric components and parts.
Detailed description of the invention
Below in conjunction with specific embodiment and Figure of description, the present invention is further explained.
Seeing Fig. 1, apparatus of the present invention include thermal insulation board 1, and thermal insulation board 1 offers the hot spot hole 2 of circle, described thermal insulation board
Being provided with several thermometric components and parts 3 on 1, thermometric components and parts 3 are connected to the solar light tracking system of dish-style light heat generator,
During the normal tracking sunlight of solar light tracking system of dish-style light heat generator, the hot spot of dish-style mirror reflection completely extends across hot spot
Hole 2, when deviation occurs in the solar light tracking system tracking sunlight of dish-style light heat generator, the hot spot of dish-style mirror reflection has
Partly or entirely being radiated on thermal insulation board 1, the thermometric components and parts 3 that thermal insulation board is arranged are believed to solar light tracking system feedback temperature
Breath, solar light tracking system judges that facula position is abnormal.
Several thermometric components and parts 3 on the thermal insulation board 1 of hot spot hole 2 periphery in dot matrix arrange, adjacent thermometric components and parts 3 it
Between distance less than the diameter of hot spot of dish-style mirror reflection.Several thermometric components and parts 3 are arranged in the matrix of 6 × 7, it is possible to
To arrange according to actual needs, thermometric components and parts 3 use thermoelectricity occasionally critesistor.
First the inventive method sets several thermometric components and parts 3 on thermal insulation board 1, and makes several thermometric components and parts 3 even
It is connected to the solar light tracking system of dish-style light heat generator；Then solar light tracking system tracking sunlight, solar light tracking system are started
During normal tracking sunlight, the hot spot of dish-style mirror reflection completely extends across the hot spot hole 2 of thermal insulation board 1, the measurement of thermometric components and parts 3
It is worth only slightly higher than ambient temperature, will not be higher 100 DEG C than ambient temperature；When there is deviation in solar light tracking system tracking sunlight, dish-style
The hot spot of mirror reflection irradiates to have and is partly or entirely radiated on thermal insulation board, the temperature meeting that thermometric components and parts 3 are measured
Significantly raised, at least exceed 100 DEG C than ambient temperature, thermometric components and parts 3 to solar light tracking system feedback temperature information, sunlight with
Track system obtains the temperature information of thermometric components and parts 3, and solar light tracking system judges that facula position is abnormal, and prompting tracking sunlight occurs
Deviation.
The solar light tracking system of dish-style light heat generator realizes dish-style illuminator to the tracking of the sun and by hot spot reflection
To specifying position, the present invention utilizes thermometric components and parts that the heat entrained by hot spot is carried out perception, carries out facula position with this
Feedback.
When solar light tracking system is working properly, the hot spot of dish-style mirror reflection can completely extend across the hot spot of thermal insulation board 1
Hole 2；Once following the tracks of and deviation occurs, facula position will deviate appointment position, has part or all of hot spot and occurs in thermal insulation board 1
On, during the position temperature that thermal insulation board 1 is irradiated by hot spot will raise, and temperature value can be with the hot spot center of circle on thermal insulation board 1
The heart, uniformly spreads to surrounding with loaarithmic curve relation, i.e. can occur a series of on thermal insulation board 1 with the hot spot center of circle as the center of circle
Isothermal loop, and hot spot circle centre position temperature is the highest.Thermal insulation board 1 is pressed dot matrix and arranges thermometric components and parts 3, such as thermocouple, heat
Quick resistance etc., measure the temperature of each point on thermal insulation board, by temperature value to the position of solar light tracking system feedback light speckle.
Claims (7)
1. a dot matrix facula position feedback device, it is characterised in that include that thermal insulation board (1), thermal insulation board offer light on (1)
Speckle hole (2), described thermal insulation board (1) is provided with several thermometric components and parts (3), and thermometric components and parts (3) are connected to dish-style light
The solar light tracking system of thermal electric generator, during the normal tracking sunlight of solar light tracking system of dish-style light heat generator, dish-style is anti-
The hot spot of light microscopic reflection completely extends across hot spot hole (2), and the solar light tracking system tracking sunlight of dish-style light heat generator occurs partially
During difference, the hot spot of dish-style mirror reflection is radiated at some or all of on thermal insulation board (1), is positioned at the survey on thermal insulation board (1)
Temperature information is fed back to solar light tracking system by temperature components and parts (3), and solar light tracking system judges that facula position is abnormal.
A kind of dot matrix facula position feedback device the most according to claim 1, it is characterised in that several thermometrics described
Components and parts (3) are arranged in dot matrix on the thermal insulation board (1) of hot spot hole (2) periphery.
A kind of dot matrix facula position feedback device the most according to claim 2, it is characterised in that described adjacent thermometric unit
Distance between device (3) is less than the diameter of the hot spot of dish-style mirror reflection.
A kind of dot matrix facula position feedback device the most according to claim 3, it is characterised in that several thermometrics described
Components and parts (3) are arranged in the matrix of 6 × 7.
A kind of dot matrix facula position feedback device the most according to claim 4, it is characterised in that described thermometric components and parts
(3) thermoelectricity occasionally critesistor is used.
A kind of dot matrix facula position feedback device the most according to claim 1, it is characterised in that described hot spot hole (2)
For circular port.
7. the dot matrix facula position using dot matrix facula position feedback device described in any one of claim 1-6 feeds back
Method, it is characterised in that first set several thermometric components and parts (3) on thermal insulation board (1), and make several thermometric components and parts
(3) solar light tracking system of dish-style light heat generator it is connected to；Then solar light tracking system tracking sunlight, sunshine tracking are started
During the normal tracking sunlight of system, the hot spot of dish-style mirror reflection completely extends across the hot spot hole (2) of thermal insulation board (1)；Sunshine tracking
When deviation occurs in system tracks sunlight, the hot spot of dish-style mirror reflection is partly or entirely radiated on thermal insulation board (1), is arranged in
Thermometric components and parts (3) on thermal insulation board (1) are to solar light tracking system feedback temperature information, and solar light tracking system obtains thermometric unit device
The temperature information of part (3), there is deviation in prompting tracking sunlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753158.5A CN106200694A (en) | 2016-08-26 | 2016-08-26 | A kind of dot matrix facula position feedback device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753158.5A CN106200694A (en) | 2016-08-26 | 2016-08-26 | A kind of dot matrix facula position feedback device and method |
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| CN106200694A true CN106200694A (en) | 2016-12-07 |
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| CN201610753158.5A Pending CN106200694A (en) | 2016-08-26 | 2016-08-26 | A kind of dot matrix facula position feedback device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544560A (en) * | 2017-10-20 | 2018-01-05 | 鞍钢未来钢铁研究院有限公司 | A kind of heat collecting type solar automatic tracking system and application method |
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| CN200962574Y (en) * | 2006-03-06 | 2007-10-17 | 龚华 | A light convergence solar power generation device |
| CN101398301A (en) * | 2007-11-06 | 2009-04-01 | 中国科学院电工研究所 | Sun tracking precision measurement mechanism for double freedom degree tracking photovoltaic power generation system |
| CN102289233A (en) * | 2011-08-15 | 2011-12-21 | 江苏中显集团有限公司 | High-sensitivity photosensitive system for sunlight tracker |
| CN102968130A (en) * | 2012-11-22 | 2013-03-13 | 宁夏光合能源科技有限公司 | Opened/closed-loop control heliostat with real-time reflected light spot position adjusting function |
| CN104020783A (en) * | 2014-05-15 | 2014-09-03 | 南京工程学院 | Dish type light condenser system employing high precision solar tracking controller |
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2016
- 2016-08-26 CN CN201610753158.5A patent/CN106200694A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200962574Y (en) * | 2006-03-06 | 2007-10-17 | 龚华 | A light convergence solar power generation device |
| CN101398301A (en) * | 2007-11-06 | 2009-04-01 | 中国科学院电工研究所 | Sun tracking precision measurement mechanism for double freedom degree tracking photovoltaic power generation system |
| CN102289233A (en) * | 2011-08-15 | 2011-12-21 | 江苏中显集团有限公司 | High-sensitivity photosensitive system for sunlight tracker |
| CN102968130A (en) * | 2012-11-22 | 2013-03-13 | 宁夏光合能源科技有限公司 | Opened/closed-loop control heliostat with real-time reflected light spot position adjusting function |
| CN104020783A (en) * | 2014-05-15 | 2014-09-03 | 南京工程学院 | Dish type light condenser system employing high precision solar tracking controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544560A (en) * | 2017-10-20 | 2018-01-05 | 鞍钢未来钢铁研究院有限公司 | A kind of heat collecting type solar automatic tracking system and application method |
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Application publication date: 20161207 |
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