CN206504490U - A kind of trough type solar heat-collector and its position sensor based on grid optoelectronic induction effect - Google Patents
A kind of trough type solar heat-collector and its position sensor based on grid optoelectronic induction effect Download PDFInfo
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- CN206504490U CN206504490U CN201720036061.2U CN201720036061U CN206504490U CN 206504490 U CN206504490 U CN 206504490U CN 201720036061 U CN201720036061 U CN 201720036061U CN 206504490 U CN206504490 U CN 206504490U
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- grid
- optoelectronic induction
- collector
- solar heat
- position sensor
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- 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 utility model belongs to position sensor technical field, more particularly to a kind of trough type solar heat-collector position sensor based on grid optoelectronic induction effect, including two-sided grid photoelectric sensor, current/voltage amplifier, data acquisition and procession device, microcontroller and external plug, the two-sided grid photoelectric sensor is connected by the microcontroller with the current/voltage amplifier, and the current/voltage amplifier is connected by the data acquisition and procession device with the external plug.Relative to prior art, the utility model is based on grid optoelectronic induction effect, the direct real-time hot spot distribution character of focal plane is measured and back analysis, and calculating is analyzed with theoretical hot spot, calculate real time position deviation, obtain the tracking strategy of heat collector, it is to avoid influence of the extraneous factor to tracking accuracy, improve systematic tracking accuracy.
Description
Technical field
The utility model belongs to position sensor technical field, more particularly to a kind of groove based on grid optoelectronic induction effect
Formula solar thermal collector and its position sensor.
Background technology
At present, the position sensing of slot light collection heat collector, is mainly turned including the use of obliquity sensor, using pulse or motor
The method such as momentum is accumulative.The position sensor can provide control signal for the tracing control of groove type heat collector transmission system.Its
In the obliquity sensor based on capacitive technologies the angle of inclination of heat collector is measured, and simultaneously by position of sun to mesh
Mark angle is calculated, and the direction of motion and the motion of driver are contrasted and determined by the difference of current location and angle on target
Amount, to realize tracking of the concentrator to the sun, obliquity sensor used in this method by system periphery electromagnetic environmental impact compared with
Greatly, therefore heat collector tracking accuracy can be influenceed.Based on pulse and the accumulative heat collector tracking mode of amount of motor rotation, then exist
The problems such as electricity memory loss, accumulated error, tracking accuracy is not high.
In view of this, it is necessory to provide a kind of trough type solar heat-collector based on grid optoelectronic induction effect and its position
Sensor is put, it is based on grid optoelectronic induction effect, the direct real-time hot spot distribution character of focal plane is measured and inverting point
Analysis, and calculating is analyzed with theoretical hot spot, real time position deviation is calculated, the tracking strategy of heat collector is obtained, it is to avoid
Influence of the extraneous factor to tracking accuracy, improves systematic tracking accuracy.
Utility model content
One of the purpose of this utility model is：In view of the shortcomings of the prior art, propose a kind of based on grid light inductance
The trough type solar heat-collector position sensor of effect is answered, it is based on grid optoelectronic induction effect, direct focal plane Real-Time Optical
Spot distribution character is measured and back analysis, and calculating is analyzed with theoretical hot spot, is calculated real time position deviation, is obtained
Heat collector tracking strategy, it is to avoid influence of the extraneous factor to tracking accuracy, improve systematic tracking accuracy.
In order to achieve the above object, the utility model is adopted the following technical scheme that：
A kind of trough type solar heat-collector position sensor based on grid optoelectronic induction effect, including two-sided grid photoelectricity
Inductor, current/voltage amplifier, data acquisition and procession device, microcontroller and external plug, the two-sided grid light inductance
Device is answered to be connected by the microcontroller with the current/voltage amplifier, the current/voltage amplifier passes through the data
Collection is connected with processor with the external plug.
It is used as one kind of trough type solar heat-collector position sensor of the utility model based on grid optoelectronic induction effect
Improve, the two-sided grid photoelectric sensor includes upper strata optoelectronic induction face, lower floor's optoelectronic induction face and is arranged at the upper strata
Insulated thermal insulating layer between optoelectronic induction face and lower floor's optoelectronic induction face, the upper strata optoelectronic induction face and lower floor's light
Electric induction face is formed by the arrangement of several grid points, each grid point independently by microcontroller connecting wire beam and
The microcontroller is connected with the current/voltage amplifier, and voltage x current array is provided for the data acquisition and procession device
Signal.
It is used as one kind of trough type solar heat-collector position sensor of the utility model based on grid optoelectronic induction effect
Improve, the grid point at the point midway of the two-sided grid photoelectric sensor is zero-bit grid, with the zero-bit grid
Centered on width for D grid region formation hot spot core space, the both sides of the hot spot core space are formed outside left hot spot respectively
Yan Qu and right hot spot epitaxial region.
It is used as one kind of trough type solar heat-collector position sensor of the utility model based on grid optoelectronic induction effect
Improve, the width of the left hot spot epitaxial region and the right hot spot epitaxial region is all higher than D.
It is used as one kind of trough type solar heat-collector position sensor of the utility model based on grid optoelectronic induction effect
Improve, the model C8051FO2O of the microcontroller.
It is used as one kind of trough type solar heat-collector position sensor of the utility model based on grid optoelectronic induction effect
Improve, the material of the insulated thermal insulating layer is ceramic fibre, glass fibre, asbestos or rock wool.
Relative to prior art, in the utility model, two-sided grid photoelectric sensor sensing is incident upon the light intensity on its surface,
And electric current (voltage) signal is converted into by photoelectric effect, the current and voltage signals from each grid point are transferred to electric current/electricity
Amplifier is pressed, and by the processing of data acquisition and procession device and inverting acquisition hot spot distribution situation, the hot spot according to obtained by calculating
The deviation of hot spot distribution characteristics under distribution characteristics and accurate tracking, calculates the direction of motion and motion compensation quantity of transmission system,
And output control model is to drive apparatus, driving heat collector to target location.That is, the utility model is by directly focusing
The real-time hot spot distribution character of plane is measured and back analysis, and calculating is analyzed with theoretical hot spot, calculates real-time
Position deviation, obtains the tracking strategy of heat collector, it is to avoid influence of the extraneous factor to tracking accuracy, improves system tracking essence
Degree.
Another purpose of the present utility model is to provide a kind of groove type solar collection based on grid optoelectronic induction effect
Hot device, including slot-type optical collector main body and the position sensor being installed in the slot-type optical collector main body, the position sensing
Device is the trough type solar heat-collector position sensor described in the utility model based on grid optoelectronic induction effect, and described
Two-sided grid photoelectric sensor be installed on the focal plane of the slot-type optical collector main body and with the slot-type optical collector main body
Plane of the opening is parallel.
Improved as one kind of trough type solar heat-collector of the utility model based on grid optoelectronic induction effect, it is described double
The upper strata optoelectronic induction of face grid photoelectric sensor is faced outwardly, and lower floor's optoelectronic induction of the two-sided grid photoelectric sensor is faced
To the reflecting surface of the slot-type optical collector main body.
Improved as one kind of trough type solar heat-collector of the utility model based on grid optoelectronic induction effect, described zero
The installation site of position grid is overlapped with the axis of the slot-type optical collector main body, and the hot spot core space is also associated with endothermic tube.
Heat collector of the present utility model as a result of position sensor described in the utility model, can avoid it is extraneous because
Influence of the element to tracking accuracy, improves systematic tracking accuracy, improves the accuracy of concentrator tracking, and reduces angular surveying
Class sensor is caused tracking accuracy not high and the problems such as signal fluctuation by external environmental interference.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structure principle chart of two-sided grid photoelectric sensor in the utility model embodiment 1.
Fig. 3 is the top view of the schematic diagram of two-sided grid photoelectric sensor in the utility model embodiment 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Embodiment
The utility model and its advantage are described in further detail below with reference to specific embodiment, still,
Embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of groove type solar collection based on grid optoelectronic induction effect that the utility model is provided
Hot device position sensor, including it is two-sided grid photoelectric sensor 1, current/voltage amplifier 4, data acquisition and procession device 3, micro-
Controller 5 and external plug 2, two-sided grid photoelectric sensor 1 are connected by microcontroller 5 with current/voltage amplifier 4, electricity
Stream/voltage amplifier 4 is connected by data acquisition and procession device 3 with external plug 2.
Two-sided grid photoelectric sensor 1 senses the light intensity for being incident upon its surface, and is converted into electric current (electricity by photoelectric effect
Pressure) signal, the current and voltage signals from each grid point 11 are transferred to current/voltage amplifier 4, and by data acquisition with
The processing of processor 3 and inverting acquisition hot spot distribution situation, control strategy is provided for drive system.External plug 2 is data acquisition
The jointing of signal transmission is carried out with processing module 3 and driving control system, is designed according to communication protocol with mode.Number
According to collection and the model TMS320 of processing module 3.
Two-sided grid photoelectric sensor 1 includes upper strata optoelectronic induction face 6, lower floor's optoelectronic induction face 9 and is arranged at upper strata light
Insulated thermal insulating layer 7 between electric induction face 6 and lower floor's optoelectronic induction face 9, i.e., two-sided grid photoelectric sensor 1 has sandwich knot
Structure, insulated thermal insulating layer 7 can avoid the electric current (voltage) of two interlayers from disturbing, upper strata optoelectronic induction face 6 and lower floor's optoelectronic induction face 9
Formed by the arrangement of several grid points 11, each grid point 11 can sense the light intensity being radiated at thereon, and be converted to electric current (electricity
Pressure) signal, each grid point 11 is independently by microcontroller connecting wire beam 8 and microcontroller 5 and current/voltage amplifier
4 are connected, and are that data acquisition and procession device 3 provides voltage x current array signal.Upper strata optoelectronic induction face 6, lower floor's optoelectronic induction face 9
It is shaped like narrow grid type optoelectronic induction material (such as polypyrrole, polyphenylene sulfide, polyaniline, polythiophene), upper strata optoelectronic induction face 6
It region be directly facing solar irradiation situation, reflection of the lower floor's optoelectronic induction face 9 towards slot-type optical collector under the conditions of the sun, test non-concentrating
Face, launches concentrator distribution characteristics of the light on diverse location by grid photoelectric sensor 1 and tests.Each grid point
11 width is determined according to measuring accuracy requirement and processing technology, is reduced raster width, can be lifted the discretization of hot spot
Quantity, and improving measurement accuracy.
Grid point at the point midway of two-sided grid photoelectric sensor 1 is zero-bit grid 10, in being with zero-bit grid 10
The width of the heart is D grid region formation hot spot core space 13, and the both sides of hot spot core space 13 form left hot spot epitaxial region respectively
12 and right hot spot epitaxial region 14.Left hot spot epitaxial region 12 and right hot spot epitaxial region 14 are used to judge that actual facula deviates core space 13
Calculating check area.
The width of left hot spot epitaxial region 12 and right hot spot epitaxial region 14 is all higher than D, to meet two-sided grid photoelectric sensor 1
Seizure to hot spot and the judgement to beam pattern and position.
The model C8051FO2O of microcontroller.The microcontroller of the model has the following advantages：64 I/O mouthfuls, at a high speed,
Pipeline organization, full speed, the system debug interface of non-intrusion type, 88 passage ADC, band PGA and analog multichannel switch, two 12
Position DAC, with programmable data update mode, the external data memory interface in addressable 64K byte addresses space, 5 lead to
16 be locator, programmable counter/Timer Array with 5 seizure/comparison modules, and be provided with house dog determine
When device, VDD monitors and temperature sensor.
The material of insulated thermal insulating layer 7 is ceramic fibre, glass fibre, asbestos or rock wool.
The current signal of acquisition is amplified by current/voltage amplifier 4, passes to data acquisition and procession device 3, data
Collection is calculated the CURRENT DISTRIBUTION of each grid point 11 on two-sided grid photoelectric sensor 1 with processor 3, and passes through integration
Calculate, the hot spot distribution and position to the two-sided surface of grid photoelectric sensor 1 carry out inverting, analyze current hot spot and current theory
The difference in distribution of hot spot, and hot spot core space 13 can flow accounting etc., and pursuit movement strategy is provided for transmission system.This practicality is new
Type directly obtains heat collector tracking strategy by hot spot distributional analysis, improves the accuracy of concentrator tracking, and reduces angle
Degree measurement class sensor is caused tracking accuracy not high and the problems such as signal fluctuation by external environmental interference.
Embodiment 2
Present embodiments provide a kind of trough type solar heat-collector based on grid optoelectronic induction effect, including slot light collection
Device main body 17 and the position sensor being installed in slot-type optical collector main body 17, position sensor are based on grid to be of the present utility model
The trough type solar heat-collector position sensor of lattice optoelectronic induction effect, and two-sided grid photoelectric sensor 1 is installed on slot type
It is on the focal plane of concentrator main body 17 and parallel with the plane of the opening 18 of slot-type optical collector main body 17.
The upper strata optoelectronic induction face 6 of two-sided grid photoelectric sensor 1 outwardly, faces the sun, obtains real-time surface sun spoke
According to amount, the solar irradiation for testing current tilt angle bottom incline, it can be estimated to current solar irradiation situation,
And the reference criterion with the hot spot distributional analysis of lower floor's optoelectronic induction face 9 is formulated as heat collector tracking strategy, its parameter can be used
Total energy in the concentrator flare distribution characteristics that lower floor's optoelectronic induction face 9 is obtained is calculated is checked and corrected, and is improved
Sensor accuracy.It is also possible to according to the power of lateral surface inductor overall signal, judge when light condenser position and target position
Offset direction when putting deviation farther out, judges the gap and moving direction of current heat collector tracing positional and target location.It is two-sided
Reflecting surface of the lower floor's optoelectronic induction face 9 of grid photoelectric sensor 1 towards slot-type optical collector main body 17.Lower floor's optoelectronic induction face 9
Concentrator reflection light is intercepted and captured, the reflection light of the reflecting surface from slot-type optical collector main body 17, slot-type optical collector main body is received
The reflection light of 17 reflecting surface forms hot spot, the electricity of each grid point 11 in lower floor's optoelectronic induction face 9 in lower floor's optoelectronic induction face 9
Stream voltage signal has directly reacted the light intensity situation at the node, and data acquisition and procession device 3, which is received, comes from lower floor's optoelectronic induction
The current and voltage signals of the discretization of face 9, can be with inverting when the light distribution situation on front focal plane and position, and combines current reason
By the feature of hot spot, the gap of heat collector current location and ideal position is calculated, and tracking actuating signal is sent to transmission system,
Adjustment heat collector is rotated to target location.
The installation site of zero-bit grid 10 is overlapped with the axis of slot-type optical collector main body 17, and hot spot core space 13 is also associated with
Endothermic tube 15.
Under photoelectric action, each grid point 11 realizes that electric current (voltage) is exported, and passes through electric current (voltage) amplifier
Data acquisition and procession device 3 is conveyed to, data acquisition and procession device 3 obtains electric current (voltage) signal of each position of grid 11, and
The hot spot distribution characteristics on focal plane is finally inversed by, the hot spot distribution characteristics according to obtained by calculating and hot spot distribution under accurate tracking are special
The deviation levied, calculates the direction of motion and motion compensation quantity of transmission system, and output control model is to drive apparatus, driving collection
Hot device is to target location.
Heat collector of the present utility model can avoid extraneous factor pair as a result of position sensor of the present utility model
The influence of tracking accuracy, improves systematic tracking accuracy, improves the accuracy of concentrator tracking, and reduces angular surveying class biography
Sensor is caused tracking accuracy not high and the problems such as signal fluctuation by external environmental interference.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying carries out appropriate change and modification.Therefore, the utility model is not limited to specific implementation disclosed and described above
Some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model by mode.
Although in addition, used some specific terms in this specification, these terms merely for convenience of description, not to this reality
With any limitation of new composition.
Claims (9)
1. a kind of trough type solar heat-collector position sensor based on grid optoelectronic induction effect, it is characterised in that including double
Face grid photoelectric sensor, current/voltage amplifier, data acquisition and procession device, microcontroller and external plug, it is described two-sided
Grid photoelectric sensor is connected by the microcontroller with the current/voltage amplifier, and the current/voltage amplifier leads to
The data acquisition and procession device is crossed to be connected with the external plug.
2. the trough type solar heat-collector position sensor according to claim 1 based on grid optoelectronic induction effect, its
It is characterised by, the two-sided grid photoelectric sensor includes upper strata optoelectronic induction face, lower floor's optoelectronic induction face and is arranged at described
Insulated thermal insulating layer between upper strata optoelectronic induction face and lower floor's optoelectronic induction face, the upper strata optoelectronic induction face with it is described under
Layer optoelectronic induction face is formed by the arrangement of several grid points, and each grid point is independently by microcontroller connecting wire
Beam and the microcontroller are connected with the current/voltage amplifier, and voltage x current is provided for the data acquisition and procession device
Array signal.
3. the trough type solar heat-collector position sensor according to claim 2 based on grid optoelectronic induction effect, its
It is characterised by, the grid point at the point midway of the two-sided grid photoelectric sensor is zero-bit grid, with the zero-bit
Width centered on grid is D grid region formation hot spot core space, and the both sides of the hot spot core space form left light respectively
Spot epitaxial region and right hot spot epitaxial region.
4. the trough type solar heat-collector position sensor according to claim 3 based on grid optoelectronic induction effect, its
It is characterised by, the width of the left hot spot epitaxial region and the right hot spot epitaxial region is all higher than D.
5. the trough type solar heat-collector position sensor according to claim 1 based on grid optoelectronic induction effect, its
It is characterised by, the model C8051FO2O of the microcontroller.
6. the trough type solar heat-collector position sensor according to claim 2 based on grid optoelectronic induction effect, its
It is characterised by, the material of the insulated thermal insulating layer is ceramic fibre, glass fibre, asbestos or rock wool.
7. a kind of trough type solar heat-collector based on grid optoelectronic induction effect, it is characterised in that including slot-type optical collector master
Body and the position sensor being installed in the slot-type optical collector main body, the position sensor are any one of claim 1 to 6
The described trough type solar heat-collector position sensor based on grid optoelectronic induction effect, and the two-sided grid light inductance
Device is answered to be installed on the focal plane of the slot-type optical collector main body and parallel with the plane of the opening of the slot-type optical collector main body.
8. the trough type solar heat-collector according to claim 7 based on grid optoelectronic induction effect, it is characterised in that institute
The upper strata optoelectronic induction for stating two-sided grid photoelectric sensor is faced outwardly, lower floor's optoelectronic induction of the two-sided grid photoelectric sensor
Facing to the reflecting surface of the slot-type optical collector main body.
9. the trough type solar heat-collector according to claim 7 based on grid optoelectronic induction effect, it is characterised in that institute
The grid point stated at the point midway of two-sided grid photoelectric sensor is zero-bit grid, centered on the zero-bit grid
Width forms hot spot core space, the installation site of the zero-bit grid and the slot-type optical collector main body for D grid region
Axis is overlapped, and the hot spot core space is also associated with endothermic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036061.2U CN206504490U (en) | 2017-01-12 | 2017-01-12 | A kind of trough type solar heat-collector and its position sensor based on grid optoelectronic induction effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036061.2U CN206504490U (en) | 2017-01-12 | 2017-01-12 | A kind of trough type solar heat-collector and its position sensor based on grid optoelectronic induction effect |
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| CN206504490U true CN206504490U (en) | 2017-09-19 |
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| CN201720036061.2U Withdrawn - After Issue CN206504490U (en) | 2017-01-12 | 2017-01-12 | A kind of trough type solar heat-collector and its position sensor based on grid optoelectronic induction effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642749A (en) * | 2017-01-12 | 2017-05-10 | 广东五星太阳能股份有限公司 | Trough type solar heat collector based on grid photoelectric sensing effect and position sensor thereof |
-
2017
- 2017-01-12 CN CN201720036061.2U patent/CN206504490U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642749A (en) * | 2017-01-12 | 2017-05-10 | 广东五星太阳能股份有限公司 | Trough type solar heat collector based on grid photoelectric sensing effect and position sensor thereof |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170919 Effective date of abandoning: 20180914 |
|
| AV01 | Patent right actively abandoned |