CN106198003A - Solar light tracking system tracking accuracy detection method - Google Patents
Solar light tracking system tracking accuracy detection method Download PDFInfo
- Publication number
- CN106198003A CN106198003A CN201610750622.5A CN201610750622A CN106198003A CN 106198003 A CN106198003 A CN 106198003A CN 201610750622 A CN201610750622 A CN 201610750622A CN 106198003 A CN106198003 A CN 106198003A
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- solar light
- tracking system
- circle
- light tracking
- hot spot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the hot power field of solar heat, relate to solar light tracking system tracking accuracy detection method.Comprise the steps: to install a circular plane mirror in the dish stand sensitive surface side of solar light tracking system, and make dish stand align sunlight, plane mirror reflexes to be formed in the heat collector mouth plane of solar light tracking system a round hot spot, the diameter of this circle hot spot is identical with plane mirror diameter, heat collector mouth plane draws the profile of this circle hot spot, circle on the basis of this profile, then draw scale in its circumference；Before using solar light tracking system to follow the tracks of the sun, regulate dish stand, make the outline of the reflection light hot spot of plane mirror overlap with the basic circle in heat collector mouth plane；When follow the tracks of there is skew time, gone out the offset distance of hot spot and the basic circle of the reflection light of plane mirror by tape measure, then be calculated the side-play amount of solar light tracking system by this offset distance, characterize solar light tracking system tracking accuracy by side-play amount.
Description
[technical field]
The invention belongs to the hot power field of solar heat, relate to solar light tracking system tracking accuracy detection method.
[background technology]
Solar electrical energy generation will not produce garbage, pollution-free, and noiseless is environmentally friendly, is preferable clean energy resource.Cause
And, 21st century, solar energy resources is all utilized the important content as National Sustainable Development Strategies by countries in the world government.
At present, the solar light tracking system of light heat generator (works at solar light tracking system when the real-time tracking sun
Time), how to judge that whether the tracking accuracy of this system meets design requirement, be this area technical problem urgently to be resolved hurrily.
[summary of the invention]
For solving the problem that prior art exists, it is an object of the invention to provide solar light tracking system tracking accuracy detection side
Method, this detection method can be when solar light tracking system works, it determines goes out the tracking error of solar light tracking system, thus judges to be somebody's turn to do
Whether the tracking accuracy of system meets design requirement.
The technical solution adopted in the present invention is as follows:
Solar light tracking system tracking accuracy detection method, comprises the steps:
One circular plane mirror is installed in the dish stand sensitive surface side of solar light tracking system, and makes dish stand align sunlight,
Plane mirror reflexes to be formed in the heat collector mouth plane of solar light tracking system a round hot spot, the diameter of this circle hot spot and plane mirror
Diameter is identical, draws the profile of this circle hot spot in heat collector mouth plane, circle on the basis of this profile, then draws in its circumference
Go out scale；
Using solar light tracking system to follow the tracks of before the sun, regulate dish stand, make plane mirror reflection light hot spot outline with
Basic circle in heat collector mouth plane overlaps；
When following the tracks of generation skew, gone out hot spot and the offset distance of basic circle of the reflection light of plane mirror by tape measure
From, then be calculated the side-play amount of solar light tracking system by this offset distance, with side-play amount characterize solar light tracking system with
Track precision.
The described scale drawn in the circumference of basic circle is several concentric circulars concentric with this basic circle.
Described concentric circular is 3-5, and concentrically ringed radius is more than basic circle radius, and each concentrically ringed semidiameter is identical.
Described concentrically ringed semidiameter is 4.9-5.1cm.
A diameter of 4.7-5.3cm of described plane mirror.
The side-play amount of described solar light tracking system is tan α, and computational methods are as follows:
Tan α=M/L,
Wherein α is solar light tracking system deviation angle, when M is the solar light tracking system tracking sun, and the reflection light of plane mirror
Distance between the center of circle and the center of circle of basic circle of speckle, L is plane mirror to the distance between heat collector mouth plane.
There is advantages that
The method of the present invention installs a circular plane mirror by the dish stand sensitive surface side of solar light tracking system, and makes
Dish stand aligns sunlight, and plane mirror reflexes to be formed in the heat collector mouth plane of solar light tracking system a round hot spot, this circle hot spot
Diameter identical with plane mirror diameter, heat collector mouth plane draws the profile of this circle hot spot, on the basis of this profile
Circle, then draw scale in its circumference, before using solar light tracking system to follow the tracks of the sun, regulate dish stand, make the reflection light of plane mirror
The outline of hot spot overlaps with the basic circle in heat collector mouth plane；When following the tracks of generation skew, go out plane by tape measure
The hot spot of the reflection light of mirror and the offset distance of basic circle, then the skew of solar light tracking system it is calculated by this offset distance
Amount, characterizes solar light tracking system tracking accuracy by side-play amount, and the method is very simple and direct to solar light tracking system warp
Row scene is detected in real time, it is possible to when solar light tracking system works, it determines go out the tracking error of solar light tracking system, thus
Judge whether the tracking accuracy of this system meets design requirement.
Further, the present invention, by based on basic circle, draws several concentric circulars concentric with this basic circle
As scale so that this scale can be measured that the skew that plane mirror reflection light hot spot is gone up in any direction all can accurately be surveyed
Amount, it is ensured that the precision of measurement.
[accompanying drawing explanation]
Fig. 1 (a) is the schematic diagram of the solar light tracking system tracking accuracy detection method of the present invention；
Circle and concentrically ringed structural representation on the basis of Fig. 1 (b).
[detailed description of the invention]
It is next with embodiment below in conjunction with the accompanying drawings that the present invention is further illustrated.
The technical solution used in the present invention is:
The circular plane mirror of one a diameter of 4.7-5.3cm is installed in the dish stand sensitive surface side of solar light tracking system, and
Making dish stand align sunlight, plane mirror reflexes to be formed in the heat collector mouth plane of solar light tracking system a round hot spot, this circle light
The diameter of speckle is identical with plane mirror diameter, draws the profile of this circle hot spot, with this profile as base in heat collector mouth plane
Director circle, then draw scale in its circumference, this scale is 3-5 the concentric circular concentric with this basic circle, and concentrically ringed radius is more than
Basic circle radius, and each concentrically ringed semidiameter is identical, semidiameter is 4.9-5.1cm；
Using solar light tracking system to follow the tracks of before the sun, regulate dish stand, make plane mirror reflection light hot spot outline with
Basic circle in heat collector mouth plane overlaps；
When follow the tracks of there is skew time, gone out by tape measure the flare of plane mirror the center of circle and basic circle the center of circle it
Between distance M, then be calculated the side-play amount of solar light tracking system by distance L between plane mirror to heat collector mouth plane,
Characterizing solar light tracking system tracking accuracy by side-play amount, the side-play amount of solar light tracking system is tan α, and computational methods are as follows:
Tan α=M/L.
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
The solar light tracking system tracking accuracy detection method of the present embodiment is carried out in accordance with the following steps:
(1) the flat circle mirror of a diameter of 5 centimetres is arranged on the sensitive surface side of dish stand, manually adjusts dish stand, make
Dish stand aligns sunlight, and flat circle mirror reflexes to be formed in heat collector mouth plane the round hot spot of 5 centimetres, with this hot spot as base
Plinth draws a circle, circle on the basis of this circle, then draws 5 concentric circulars with this basic circle for concentric circular, and concentrically ringed radius is more than base
Director circle radius, each concentric circular radius differs 5 centimetres；
(2) solar light tracking system is followed the tracks of and is calibrated system benchmark before the sun, system benchmark must and basic circle overlap, allow plane
The hot spot that circle mirror is reflected on light target is on basic circle；
(3) solar light tracking system runs the tracking sun automatically, and when following the tracks of generation skew, flat circle mirror is reflected in heat collector
Hot spot in mouth plane the most and then can offset, and can be differentiated the distance of facula deviation basic circle by range estimation, by calculating
Just can calculate the side-play amount of solar light tracking system, if plane mirror is to distance L between heat collector mouth plane, the reflection of plane mirror
Distance between the center of circle and the center of circle of basic circle of hot spot is M, then solar light tracking system deviation angle is α, then sunshine tracking system
The side-play amount tan α=M/L of system.
Embodiment 2
The solar light tracking system tracking accuracy detection method of the present embodiment is carried out in accordance with the following steps:
(1) the flat circle mirror of a diameter of 4.7 centimetres is arranged on the sensitive surface side of dish stand, manually adjusts dish stand,
Making dish stand align sunlight, flat circle mirror reflexes to be formed in heat collector mouth plane the round hot spot of 4.7 centimetres, with this hot spot
Based on draw circle, this circle on the basis of circle, then with this basic circle for concentric circular draw 3 concentric circulars, concentrically ringed radius is big
In basic circle radius, each concentric circular radius differs 4.9 centimetres；
(2) solar light tracking system is followed the tracks of and is calibrated system benchmark before the sun, system benchmark must and basic circle overlap, allow plane
The hot spot that circle mirror is reflected on light target is on basic circle；
(3) solar light tracking system runs the tracking sun automatically, and when following the tracks of generation skew, flat circle mirror is reflected in heat collector
Hot spot in mouth plane the most and then can offset, and can be differentiated the distance of facula deviation basic circle by range estimation, by calculating
Just can calculate the side-play amount of solar light tracking system, if plane mirror is to distance L between heat collector mouth plane, the reflection of plane mirror
Distance between the center of circle and the center of circle of basic circle of hot spot is M, then solar light tracking system deviation angle is α, then sunshine tracking system
The side-play amount tan α=M/L of system.
Embodiment 4
The solar light tracking system tracking accuracy detection method of the present embodiment is carried out in accordance with the following steps:
(1) the flat circle mirror of a diameter of 5.3 centimetres is arranged on the sensitive surface side of dish stand, manually adjusts dish stand,
Making dish stand align sunlight, flat circle mirror reflexes to be formed in heat collector mouth plane the round hot spot of 5.3 centimetres, with this hot spot
Based on draw circle, this circle on the basis of circle, then with this basic circle for concentric circular draw 4 concentric circulars, concentrically ringed radius is big
In basic circle radius, each concentric circular radius differs 5.1 centimetres；
(2) solar light tracking system is followed the tracks of and is calibrated system benchmark before the sun, system benchmark must and basic circle overlap, allow plane
The hot spot that circle mirror is reflected on light target is on basic circle；
(3) solar light tracking system runs the tracking sun automatically, and when following the tracks of generation skew, flat circle mirror is reflected in heat collector
Hot spot in mouth plane the most and then can offset, and can be differentiated the distance of facula deviation basic circle by range estimation, by calculating
Just can calculate the side-play amount of solar light tracking system, if plane mirror is to distance L between heat collector mouth plane, the reflection of plane mirror
Distance between the center of circle and the center of circle of basic circle of hot spot is M, then solar light tracking system deviation angle is α, then sunshine tracking system
The side-play amount tan α=M/L of system.
Claims (6)
1. solar light tracking system tracking accuracy detection method, it is characterised in that comprise the steps:
One circular plane mirror is installed in the dish stand sensitive surface side of solar light tracking system, and makes dish stand align sunlight, plane
Mirror reflexes to be formed in the heat collector mouth plane of solar light tracking system a round hot spot, the diameter of this circle hot spot and plane mirror diameter
Identical, heat collector mouth plane draws the profile of this circle hot spot, circle on the basis of this profile, then draw mark in its circumference
Chi；
Before using solar light tracking system to follow the tracks of the sun, regulate dish stand, make outline and the thermal-arrest of the reflection light hot spot of plane mirror
Basic circle in device mouth plane overlaps；
When following the tracks of generation skew, gone out hot spot and the offset distance of basic circle of the reflection light of plane mirror by tape measure, then
It is calculated the side-play amount of solar light tracking system by this offset distance, characterizes solar light tracking system by side-play amount and follow the tracks of essence
Degree.
Solar light tracking system tracking accuracy detection method the most according to claim 1, it is characterised in that described at basic circle
Circumference draw scale be several concentric circulars concentric with this basic circle.
Solar light tracking system tracking accuracy detection method the most according to claim 2, it is characterised in that with described benchmark
Based on circle, drawing 3-5 concentric circular, concentrically ringed radius is more than basic circle radius, and each concentrically ringed semidiameter is identical.
Solar light tracking system tracking accuracy detection method the most according to claim 3, it is characterised in that described concentrically ringed
Semidiameter is 4.9-5.1cm.
Solar light tracking system tracking accuracy detection method the most according to claim 1, it is characterised in that described plane mirror
A diameter of 4.7-5.3cm.
Solar light tracking system tracking accuracy detection method the most according to claim 1, it is characterised in that described sunlight with
The side-play amount of track system is tan α, and computational methods are as follows:
Tan α=M/L,
Wherein α is solar light tracking system deviation angle, when M is the solar light tracking system tracking sun, the flare of plane mirror
Distance between the center of circle and the center of circle of basic circle, L is plane mirror to the distance between heat collector mouth plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750622.5A CN106198003B (en) | 2016-08-29 | 2016-08-29 | Solar light tracking system tracking accuracy detection method |
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|---|---|---|---|
| CN201610750622.5A CN106198003B (en) | 2016-08-29 | 2016-08-29 | Solar light tracking system tracking accuracy detection method |
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| CN106198003A true CN106198003A (en) | 2016-12-07 |
| CN106198003B CN106198003B (en) | 2019-05-07 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203200A (en) * | 1990-05-18 | 1993-04-20 | Nippon Thompson Co., Ltd. | Machine for testing centrifugal load of bearing |
| JPH06317501A (en) * | 1993-05-10 | 1994-11-15 | Ishikawajima Harima Heavy Ind Co Ltd | Power circulation type gear testing method and device |
| CN102331795A (en) * | 2011-08-26 | 2012-01-25 | 浙江中控太阳能技术有限公司 | Method for controlling sunlight reflecting device to automatically track sun based on facula identification |
| CN203595495U (en) * | 2013-12-06 | 2014-05-14 | 武汉理工大学 | Tracking precision detecting device for solar tracking mechanism |
| CN105373140A (en) * | 2014-08-20 | 2016-03-02 | 深圳Tcl新技术有限公司 | Light source tracking method and system |
-
2016
- 2016-08-29 CN CN201610750622.5A patent/CN106198003B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203200A (en) * | 1990-05-18 | 1993-04-20 | Nippon Thompson Co., Ltd. | Machine for testing centrifugal load of bearing |
| JPH06317501A (en) * | 1993-05-10 | 1994-11-15 | Ishikawajima Harima Heavy Ind Co Ltd | Power circulation type gear testing method and device |
| CN102331795A (en) * | 2011-08-26 | 2012-01-25 | 浙江中控太阳能技术有限公司 | Method for controlling sunlight reflecting device to automatically track sun based on facula identification |
| CN203595495U (en) * | 2013-12-06 | 2014-05-14 | 武汉理工大学 | Tracking precision detecting device for solar tracking mechanism |
| CN105373140A (en) * | 2014-08-20 | 2016-03-02 | 深圳Tcl新技术有限公司 | Light source tracking method and system |
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| CN106198003B (en) | 2019-05-07 |
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Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO., LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE CORPORATION PLC |
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