CN205426481U - Linear fei nieer primary reflection mirror reflection light gets into test equipment that CPC is rateed - Google Patents

Linear fei nieer primary reflection mirror reflection light gets into test equipment that CPC is rateed Download PDF

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Publication number
CN205426481U
CN205426481U CN201620205482.9U CN201620205482U CN205426481U CN 205426481 U CN205426481 U CN 205426481U CN 201620205482 U CN201620205482 U CN 201620205482U CN 205426481 U CN205426481 U CN 205426481U
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China
Prior art keywords
photomultiplier tube
track
cpc
laser pen
slide block
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Withdrawn - After Issue
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CN201620205482.9U
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Chinese (zh)
Inventor
王成龙
巩景虎
马军
范多进
牛小山
孔令刚
范多旺
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LANZHOU DACHENG CONCETRATE SOLAR TECHNOLOGY Co Ltd
Lanzhou Dacheng Technology Co Ltd
Lanzhou Jiao Tong University National Green Coating Engineering Co Ltd
Original Assignee
LANZHOU DACHENG CONCETRATE SOLAR TECHNOLOGY Co Ltd
Lanzhou Dacheng Technology Co Ltd
Lanzhou Jiao Tong University National Green Coating Engineering Co Ltd
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Priority to CN201620205482.9U priority Critical patent/CN205426481U/en
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Abstract

The utility model relates to a light beam test equipment technical field, concretely relates to linear fei nieer primary reflection mirror reflection light gets into test equipment that CPC is rateed. A linear fei nieer primary reflection mirror reflection light gets into test equipment that CPC is rateed, its characterized in that includes motor photomultiplier PMT, track, mirror unit, spirit level and laser pen, photomultiplier PMT is divided into photomultiplier PMT and is divided into a photomultiplier PMT, the 2nd photomultiplier PMT, the 3rd photomultiplier PMT and fourth photomultiplier PMT, and the track is divided into first track and second track. Instructing the standard for arranging of jing chang provides, improving linear feinieer jingchang's installation accuracy, the installation accuracy of linear feinieer jingchang's a mirror unit improves 0.1, and the primary reflection mirror reflection light of this mirror unit gets into CPC and rates and improve 10% - 15%.

Description

Linear Fresnel primary event mirror reflection light enters the test equipment that CPC leads
Technical field
This utility model relates to a kind of reflection ray-test equipment technical field, is specifically related to linear Fresnel primary event mirror reflection light and enters the test equipment that CPC leads.
Background technology
Primary event mirror reflection light enters the size that leads of CPC and directly affects the efficiency of linear Fresnel condenser, and the accuracy of test equipment, and then is directly connected to the arrangement of whole Jing Chang, thus affects work efficiency and solar energy utilization ratio.
Position of sun algorithm is the general designation to " position of sun in sky spherical model " computational methods, is called for short SPA (SolarPositionAlgorithm).SPA is broadly divided into theoretical expansion method (TheoreticalExpandingProcess, it is called for short TEP-SPA) and digital simulations (NumericalFittingProcess, it is called for short NFP-SPA) two kinds, NEP-SPA is to record out as dependent variable using the value day by day of required calculating parameter from the astronomical yearbook of certain year, with day of year as independent variable, then by Fourier's Return Law, every corresponding coefficient is obtained.We utilize SPA algorithm to determine sun altitude, then by the angle going out laser pen of 90 °-sun altitude, carry out operation test.Eyeglass mounting technique generally relies on SPA technology to determine local sun altitude at present.But in practical operation there is error in eyeglass setting angle and Theoretical Calculation angle, directly affects service efficiency.
Existing document does not also find linear Fresnel primary event mirror reflection light enter the test equipment that CPC leads, in order to provide reference to the installation of linear Fresnel Jing Chang, have developed linear Fresnel primary event mirror reflection light and enter the test equipment that CPC leads, improve the installation accuracy of Jing Chang, thus improve generating efficiency.
Utility model content
Mesh of the present utility model be to provide a kind of improve the installation accuracy of linear Fresnel Jing Chang, linear Fresnel primary event mirror reflection light that generating efficiency is high enters the test equipment that CPC leads.
This utility model solves the technical scheme that its technical problem used:
A kind of linear Fresnel primary event mirror reflection light enters the test equipment that CPC leads, including motor photomultiplier tube PMT, track, mirror unit, level indicator and laser pen, described photomultiplier tube PMT is divided into photomultiplier tube PMT to be divided into the first photomultiplier tube PMT, the second photomultiplier tube PMT, the 3rd photomultiplier tube PMT and the 4th photomultiplier tube PMT, and track is divided into the first track and the second track;
Described motor is fixed on support, the rotating shaft of motor and the fixing connection of the first pulley, the two ends of the first track and the second track are separately fixed on support, and the first track and the second track are provided with slide block, and slide block is along the first track and the second slide, slide block is provided with laser pen, laser pen one end is fixed on slide block, and laser pen rotates along fixing end, and slide block both sides are provided with rope, rope is connected with the first pulley and the second pulley respectively, and the second pulley is coupled with holder pivots by pulley fixed frame;
Installing level indicator obliquity sensor in the middle part of mirror unit, the second photomultiplier tube PMT and the 3rd photomultiplier tube PMT installs at two ends in mirror unit;
Connecting transverse slat on the opening of CPC condenser, the A/F of CPC condenser is consistent with transverse slat length, and transverse slat both sides are provided with the first photomultiplier tube PMT and the 4th photomultiplier tube PMT.
Described obliquity sensor, level indicator, the second photomultiplier tube PMT and the 3rd photomultiplier tube PMT are provided with sucker.
Equipped with laser pen on described slide block, slide block drives laser pen to move, and laser pen one end is flexibly connected with slide block, and the laser pen other end rotates regulation angle.
This utility model, compared with background technology, has the advantages that
1, detection equipment is devised, layout for Jing Chang provides guidance standard, improving the installation accuracy of linear Fresnel Jing Chang, the installation accuracy of mirror unit of linear Fresnel Jing Chang improves 0.1 °, and the primary event mirror reflection light of this mirror unit enters CPC and leads raising 10% 15%.
2, laser pen at the uniform velocity moves, and uses photomultiplier tube PMT to measure the time through mirror unit and the time of CPC condenser opening simultaneously, and two times are compared and show that primary event mirror reflection light enters CPC and leads;It is the best closer to 1 working effect that primary event mirror reflection light entrance CPC leads η.
3, level indicator is positioned over minute surface center, adjusts minute surface level, read now obliquity sensor registration, offset angle as obliquity sensor, combine, with the offset angle of obliquity sensor angle and obliquity sensor, the angle formed instructs mirror unit to select gyration simultaneously, and precision is high, and error is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the connection diagram of slide block and laser pen;
Fig. 4 is laser pen direction of illumination and the CPC condenser angular relationship figure at mirror unit to be surveyed heteropleural;
Fig. 5 is laser pen direction of illumination and the CPC condenser angular relationship figure at mirror unit to be surveyed homonymy;
Fig. 6 is the offset angle of mirror unit and measures angle figure.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
A kind of linear Fresnel primary event mirror reflection light enters the test equipment that CPC leads, including motor 1, photomultiplier tube PMT, track, mirror unit, level indicator and laser pen, described photomultiplier tube PMT is divided into photomultiplier tube PMT to be divided into the first photomultiplier tube PMT3, the second photomultiplier tube PMT10, the 3rd photomultiplier tube PMT14 and the 4th photomultiplier tube PMT15, and track is divided into the first track 5 and the second track 9;
Described motor 1 is fixed on support 19, the rotating shaft of motor 1 and the first fixing connection of pulley 2, the two ends of the first track 5 and the second track 9 are separately fixed on support 19, first track 5 and the second track 9 are provided with slide block 6, slide block 6 slides along the first track 5 and the second track 9, slide block 6 is provided with laser pen 7, laser pen 7 one end is fixed on slide block 6, laser pen 7 rotates along fixing end, slide block 6 both sides are provided with rope (8), rope 8 is connected with the first pulley 2 and the second pulley 18 respectively, and the second pulley 18 is coupled with support 19 rotation by pulley fixed frame 17;
Installing level indicator 13 and obliquity sensor 11 in the middle part of mirror unit 16, the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14 installs in 16 two ends in mirror unit;
Connecting transverse slat 12 on the opening of CPC condenser 4, the A/F of CPC condenser 4 is consistent with transverse slat 12 length, and transverse slat 12 both sides are provided with the first photomultiplier tube PMT3 and the 4th photomultiplier tube PMT15.
Described obliquity sensor 11, level indicator the 13, second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14 are provided with sucker.
Equipped with laser pen 7 on described slide block 6, slide block 6 drives laser pen 6 to move, and laser pen 6 one end is flexibly connected with slide block 6, and laser pen (7) other end rotates regulation angle.
A kind of linear Fresnel primary event mirror reflection light enters the using method of the test equipment that CPC leads, it is characterised in that specifically comprise the following steps that
A, level indicator 13 is positioned over mirror unit 16 center above, adjust mirror unit 16 levels, read now obliquity sensor 11 registration α, as the offset angle α of obliquity sensor 11, the offset angle of obliquity sensor 11 and the angle beta of obliquity sensor 11, form combination angle [alpha] ± β;
B, using tradition SPA position of sun algorithm, calculating this moment is positioned at elevation angle φ of this geography position sunray;
C, laser pen 7 rotate to specified angle γ and the φ of elevation angle and are 90 °, γ+φ=90 °;
D, the angle that the center of CPC condenser 4 is formed with straight line and the horizontal plane of Jing Yuan 16 center composition to be surveyed is ψ, if sunray direction of illumination and CPC condenser are at the heteropleural of mirror unit 16 to be surveyed, according to formula calculate the inclination angle number of degrees α ± β=90 °-φ of mirror unit 16 to be surveyed-(180 ° of-φ-ψ)/2}=(ψ/2)-(φ/2), if sunray direction of illumination and CPC condenser are at the homonymy of mirror unit 16 to be surveyed, inclination angle number of degrees α ± β=90 °-φ-{ (ψ-φ)/2}=90 °-{ (φ-ψ)/2} of mirror unit 16 to be surveyed is calculated according to formula, obliquity sensor 11 is utilized to instruct mirror unit 16 to be adjusted to β;
E, the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14 is arranged on the both sides of mirror unit 16 to be surveyed, second photomultiplier tube PMT10, the 3rd photomultiplier tube PMT14 16 edge of opening first with mirror to be surveyed are in the same line, and vertical with 16, mirror unit;
Change gear box on F, regulation motor 1, is set to required speed υ, and its scope is between 20/s, 50/s, it is simple to eye-observation and data record.Start power supply, motor 1 drives the first pulley 2 to rotate, now the first pulley 2 is moved by rope 8 band movable slider 6, rope 8 is walked around the second pulley 18 and drives the second pulley 18 to rotate simultaneously, equipped with laser pen 7 on slide block 6, the mobile of slide block 6 drives laser pen 7 to move simultaneously, and laser pen 7 can rotate around with the connection place on slide block 6, it is operated so laser pen 7 is rotated to specified angle γ, i.e. γ=90 °-φ;
G, laser pen 7 initial point in one end of track, terminating point is then at the other end of track, laser pen 7 is in moving process, send laser to be accepted by the second photomultiplier tube PMT10 in mirror unit 16 and the 3rd photomultiplier tube PMT14, and judge the intermediate point required time t through the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT140.Light is reflexed on the transverse slat 12 of CPC condenser 4 opening by mirror unit 16 simultaneously, accepted by the first photomultiplier tube PMT3 and the 4th photomultiplier tube PMT15 on top, it is judged that the first photomultiplier tube PMT3 on transverse slat goes out the primary event mirror reflection light entrance CPC of a mirror unit and leads;
H, first 16 setting angles of regulation mirror are to β, again carry out above-mentioned test, η controls to complete the regulation work of monolithic eyeglass between 0.96-1, first with the above-mentioned same next mirror of method test, until whole group of eyeglass debugging is complete, enters CPC by first 16 setting angles of regulation mirror to β change primary event mirror reflection light and lead η.Reduce eyeglass actual installation angle and there is error with Theoretical Calculation angle, eyeglass using effect is greatly improved.
Simultaneously enter CPC and lead to improve the reflective relation of this mirror unit 16, need to improve the installation accuracy of Jing Chang, utilize the said equipment and method of testing to instruct Jing Chang to install, need to accomplish following steps:
1, it is concerned about, with the position of CPC, the angle ψ that the center precisely determining CPC condenser 4 is formed with horizontal plane with the straight line of Jing Yuan 16 center composition to be surveyed according to mirror unit to be surveyed, makes ψ value near actual value;
2, regulation angle γ, φ=90 °-γ, make the angle that φ infinite approach SPA calculates;
3, calculate combination angle [alpha] ± β=(ψ/2)-(φ/2), or α ± β=90 °-{ (φ-ψ)/2}, the figure place of accurate α ± β, improves the accuracy of α ± β to greatest extent;
When 4, calculating angle beta, precisely determine the positive and negative values of α, prevent counting loss;
5, mirror unit 16 setting angles are the most close to β.
Illustrate with DaCheng Co., Ltd's case
Test period: JIUYUE in 2015 afternoon on the 17th about 4
Experiment place: DC Technology Co., Ltd. garden (36 ° of 31'57.93N, 103 ° of 39'57.28 " E),
Experimental subject: western 4 mirror units, the mirror unit 16 that linear Fresnel Jing Chang is placed by many north and south forms, and western 4 mirror units refer in many mirror units 16, start westwards to start several 4th mirror unit, mirror unit width 760 from the vertical lower of CPC condenser, and mirror unit spacing is 270,
Experimental procedure:
The first step: the change gear box on regulation motor 1, is set to required speed 30/s;
Second step: by 4 in afternoon and address (36 ° of 31'57.93N, 103 ° of 39'57.28 " E) known conditions substitutes in SPA algorithm; and calculating this moment is positioned at about elevation angle φ=52 ° of this geography position sunray, regulates laser pen 7 and rotates to about-52 ° ,-φ=90 °, γ=90 °=38 °;
3rd step: level indicator 13 is positioned over mirror unit 16 center above, adjust mirror unit 16 levels, read now obliquity sensor 11 registration α=0.3 °, the angle that the center of CPC condenser 4 is formed with straight line and the horizontal plane of the center composition of the west 4 mirror unit in mirror unit 16 to be surveyed is-38 °=52 ° ,-γ=90 °, φ=90 °, ψ=73.14 °, α ± β=(ψ/2)-(φ/2)=(73.14 °/2)-(52 °/2)=10.6 °, during measurement, α is minus deviation, i.e.-0.3 ° ,-α=10.6 °, β=10.6 °=10.3 °, so again by the tilt adjustment of mirror unit 16 to 10.3 °.
4th step: start power supply, equipped with the slide block 6 of laser pen 7 at the first track 5 and the second track 9 with movement, laser pen 7 sends laser and is accepted by the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14 simultaneously;
5th step: it is t that recording laser strafes the time difference of the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT140=27.2s;
6th step: mirror unit 16, by the first photomultiplier tube PMT3 on light transverse slat and the 4th photomultiplier tube PMT15, records time t=26.1s;
7th: η=t/t0=26.1/27.2=0.96, the primary event mirror reflection light entrance CPC obtaining western 4 mirror units lead.In order to obtain installation accuracy pair, primary event mirror reflection light enters the influence degree that CPC leads, installation accuracy is deviateed setting angle β accurately, the installation accuracy carrying out repeatedly obtaining the retest of 20 row mirrors units linear Fresnel Jing Chang improves 0.1 °, and primary event mirror reflection light enters CPC and leads raising 10% 15%.
8th step: repeat aforesaid operations, the next mirror of test is first.
Below in conjunction with the testing stand built in Lanzhou, Gansu Province new district DC Technology Co., Ltd. garden, the present invention is further described.
Test period: JIUYUE in 2015 afternoon on the 17th about 4
Experiment place: DC Technology Co., Ltd. garden (36 ° of 31'57.93N, 103 ° of 39'57.28 " E)
Experimental subject: western 4 mirror units, mirror unit width 760
Experimental procedure:
The first step: the change gear box on regulation motor 1, is set to required speed 30/s;
Second step: regulation laser pen 7 rotates to about 38 °;
3rd step: level indicator 14 is positioned over mirror unit 16 center above, adjusts mirror unit 16 levels, reads now obliquity sensor 11 registration 0.3 °, the tilt adjustment to 10.3 ° of the most western 4 mirror units 16;
4th step: start power supply, equipped with the slide block 6 of laser pen 7 at the first track 5 and the second track 9 with movement, laser pen 7 sends laser and is accepted by the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14 simultaneously;
5th step: it is 27.2s that recording laser strafes the time difference of the second photomultiplier tube PMT10 and the 3rd photomultiplier tube PMT14;
6th step: mirror unit 16 is by the first photomultiplier tube PMT3 on light transverse slat and the 4th photomultiplier tube PMT15, and the record time is 26.1s;
7th: η=26.1/27.2=0.96, the primary event mirror reflection light entrance CPC obtaining western 4 mirror units leads.
8th step: repeat aforesaid operations, the next mirror of test is first.
Supplementing and improvement of experimental procedure:
In particular cases, mirror unit is carried out a test operation, it is impossible to determine the effectiveness of test result, so same mirror unit is repeated several times test, and data are analyzed, cast out the data that error is bigger, then carry out cumulative calculation.

Claims (3)

1. a linear Fresnel primary event mirror reflection light enters the test equipment that CPC leads, it is characterized in that including motor (1), photomultiplier tube PMT, track, mirror unit, level indicator and laser pen, described photomultiplier tube PMT is divided into photomultiplier tube PMT to be divided into the first photomultiplier tube PMT(3), the second photomultiplier tube PMT(10), the 3rd photomultiplier tube PMT(14) and the 4th photomultiplier tube PMT(15), track is divided into the first track (5) and the second track (9);
Described motor (1) is fixed on support (19), the rotating shaft of motor (1) and the fixing connection of the first pulley (2), the two ends of the first track (5) and the second track (9) are separately fixed on support (19), first track (5) and the second track (9) are provided with slide block (6), slide block (6) slides along the first track (5) and the second track (9), slide block (6) is provided with laser pen (7), laser pen (7) one end is fixed on slide block (6), laser pen (7) rotates along fixing end, slide block (6) both sides are provided with rope (8), rope (8) is connected with the first pulley (2) and the second pulley (18) respectively, second pulley (18) is coupled with support (19) rotation by pulley fixed frame (17);
Level indicator (13) and obliquity sensor (11) are installed in mirror unit (16) middle part, and the second photomultiplier tube PMT(10 installs in (16) two ends in mirror unit) and the 3rd photomultiplier tube PMT(14);
Connecting transverse slat (12) on the opening of CPC condenser (4), the A/F of CPC condenser (4) is consistent with transverse slat (12) length, and transverse slat (12) both sides are provided with the first photomultiplier tube PMT(3) and the 4th photomultiplier tube PMT(15).
A kind of linear Fresnel primary event mirror the most according to claim 1 reflection light enters the test equipment that CPC leads, it is characterised in that described obliquity sensor (11), level indicator (13), the second photomultiplier tube PMT(10) and the 3rd photomultiplier tube PMT(14) it is provided with sucker.
A kind of linear Fresnel primary event mirror the most according to claim 1 reflection light enters the test equipment that CPC leads, it is characterized in that on described slide block (6) equipped with laser pen (7), slide block (6) drives laser pen (7) mobile, laser pen (7) one end is flexibly connected with slide block (6), and laser pen (7) other end rotates regulation angle.
CN201620205482.9U 2016-03-17 2016-03-17 Linear fei nieer primary reflection mirror reflection light gets into test equipment that CPC is rateed Withdrawn - After Issue CN205426481U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628345A (en) * 2016-03-17 2016-06-01 范多旺 Linear Fresnel one-time reflector reflection ray CPC entering rate test device and test method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628345A (en) * 2016-03-17 2016-06-01 范多旺 Linear Fresnel one-time reflector reflection ray CPC entering rate test device and test method
CN105628345B (en) * 2016-03-17 2017-12-08 范多旺 Linear Fresnel primary event mirror reflection light enters the test equipment and method of testing of CPC rates

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Granted publication date: 20160803

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