CN203745915U - Uniaxial solar tracking sensing device - Google Patents
Uniaxial solar tracking sensing device Download PDFInfo
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- CN203745915U CN203745915U CN201420130183.4U CN201420130183U CN203745915U CN 203745915 U CN203745915 U CN 203745915U CN 201420130183 U CN201420130183 U CN 201420130183U CN 203745915 U CN203745915 U CN 203745915U
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- solar tracking
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- 238000003754 machining Methods 0.000 description 3
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a uniaxial solar tracking sensing device comprising a protective shell, a reflection structure, a sensor assembly and a connecting port. The protective shell comprises a box cover which clips an auxiliary installing plate in a box body. The auxiliary installing plate is provided with a light-transmitting port and a coarse sensor. The light-transmitting port is arranged on one end of the auxiliary installing plate. The reflection structure comprises first and second reflecting mirrors which are respectively provided with first and second irradiation parts. The first irradiation part is configured on the position from which light rays incident from the light-transmitting port can be refracted to the second reflecting mirror. The second irradiation part is oppositely arranged in a way of being relative to the first irradiation part. The sensor assembly is installed via a PCB in the way of being corresponding to the position to which the second irradiation part can refract and is connected with the connecting port via a circuit. The sensing device is realized via the aforementioned structure or combination of the construction so that great effects that design and processing are simple and convenient, failure risk can be avoided, manufacturing cost can be saved and performance is reliable are achieved.
Description
Technical field
The utility model relates to field of photoelectric technology, espespecially a kind of single-axis solar tracking sensing device.
Background technology
For condensation photovoltaic (CPV), keeping real-time solar energy tracking precision is one of its key that can produce high-level efficiency generating.
Traditional solar energy tracking mode is all generally that the solar motion angle of utilizing the photoelectric sensor of diverse location to detect in real time different azimuth is carried out feedback and tracking, for the condensation photovoltaic that adopts transmission point light-focusing type, high-precision tracking transducer is the key that it can efficiency power generation, and sun-tracking sensor is core cell.The basic demand of design of sensors with auxiliary electrode were is to need low cost and high precision, a lot of such as being similarly designed with in prior art, and it is the most representative is designed with following three kinds:
The first, refer to shown in Fig. 1, be a kind of long barrel shape sun-tracking sensor structure, four photoelectric cells 101 that characteristic is identical are evenly placed in four quadrants, and between the shade that utilization bucket wall 102 height bring and sensor 103, shape is determined tracking error in an angle.When sun deviation is during compared with wide-angle, adopt time control coarse localization, and when deviation hour, adopt shade angle to locate, the subject matter that this mode exists is to the having relatively high expectations of machining precision, and the size of sensor is larger.
The second, refer to shown in Fig. 2, it is a kind of cross baffle sun-tracking sensor structure, light intensity sensor 201 is placed on 4 baffle plate 202 edges, can utilize the shade that blocks of cross plate washer to locate tracking accuracy, owing to being open type design, therefore, when position of sun deviation is larger, light intensity sensor 201 can be carried out the function of rough tracking, and when position of sun deviation hour, position of sun precision can be determined by shade misalignment angle, such mode is simple than Fig. 1 structure outline, but owing to being open type design, outdoor parasitic light is larger on the impact of sensor 201, make its actual tracking accuracy be not so good as first kind of way accurate.
The third, referring to shown in Fig. 3, is also a kind of sun-tracking sensor structure, and it is to utilize the photoelectric cell 301 that is arranged on four sides to follow the tracks of roughly, recycling is placed on the quadrant sensors 302 at center and carries out accurate tracking, realizes by this tracking to position of sun.This mode, owing to having adopted the quadrant sensors that precision is higher, therefore has higher precision, but has adopted just expensive quadrant sensors aspect accurate tracking, so cost is also expensive.
The design of these modes all respectively has feature, but generally all has following several problem:
The one, be not easy to avoid processing and the error of bringing is installed, these errors mainly comprise machining error, pcb board alignment error, element welding position error, the aspects such as the inconsistent and sampling processing error of photoelectric sensor, these errors finally form accumulated error, have affected tracking accuracy.
The 2nd, tracking accuracy and shade block highly and are directly proportional, if need high precision, must increase the height of light-blocking structure, so just make the size of sensor often excessive long, cause machining precision and cost requirement to increase.
The 3rd, common design is that twin shaft detects, and all concentrates on a sensing head, cannot separately use, once sensor is because some problem lost efficacy, affects whole system, therefore often has some risks, and reliability is not high.
Summary of the invention
For solving the problems of the technologies described above, fundamental purpose of the present utility model is to provide a kind of single-axis solar tracking sensing device, and this sensing device tracking accuracy is high, and design processing is easy, and can avoid failure risk, thereby has saved manufacturing cost, and dependable performance.
For reaching above-mentioned purpose, the right technical scheme of the utility model is: a kind of single-axis solar tracking sensing device, the connection end that comprises reflection configuration and the sensor module of installing in containment vessel and be arranged on this containment vessel bottom, wherein: this containment vessel comprises the case lid of clip accessory mounting plate in casing, this accessory mounting plate is rectangle and is provided with printing opacity mouth and coarse sensor, this printing opacity mouth is located at the position that keeps to the side, this accessory mounting plate one end, and this coarse sensor is connected with this connection end by circuit; This reflection configuration comprises first, second catoptron, this first, second catoptron has respectively first, second irradiation portion and approaches respectively in the two ends at this accessory mounting plate back side to be installed, described the first irradiation portion is configured in light refrangible that the incident of described printing opacity mouth comes to the position on this second catoptron, described the second irradiation portion is contrary situation setting with respect to the first irradiation portion, and this sensor module is tackled the position that this second irradiation portion refrangible arrives and installed and be connected with this connection end by circuit by pcb board.
In the utility model embodiment, preferably, described coarse sensor is at least two and be arranged on described accessory mounting plate two ends with corresponding situation.
Preferred in the utility model embodiment, described casing, its inner chamber is provided with location division, and the downward degree of depth in this location division is provided with boss relatively.
In the utility model embodiment, preferably, described accessory mounting plate is fixed on this location division.
In the utility model embodiment, preferably, described pcb board is arranged on described inner chamber and closes on this bottom half position.
In the utility model embodiment, preferably, described printing opacity mouth is rectangle, and the width edge of its length sides and this accessory mounting plate is parallel state setting.
In the utility model embodiment, preferably, described sensor module is that light sensor forms.
In the utility model embodiment, preferably, described light sensor comprises ratio sensor and precise sensors.
In the utility model embodiment, preferably, described is the arrangement of " product " font to ratio sensor and precise sensors.
In the utility model embodiment, preferably, described is the arrangement of " one " font to ratio sensor and precise sensors.
Compared with prior art, its useful effect is the utility model: the one, and avoided processing and the error of bringing has been installed, promoted tracking accuracy simultaneously.The 2nd, when promoting tracking accuracy, do not expand sensing device size, thereby provide cost savings.The 3rd, integrate a plurality of sensing heads use, greatly reduced the risk that sensing lost efficacy, its reliability is higher.
Accompanying drawing explanation
Fig. 1 is the long barrel shape sun-tracking sensor structural representation of prior art.
Fig. 2 is the cross baffle formula sun-tracking sensor structural representation of prior art.
Fig. 3 is a kind of full visual angle tracking transducer structural representation of prior art.
Fig. 4 is the utility model embodiment package assembly schematic diagram.
Fig. 5 is the utility model embodiment decomposition texture schematic diagram.
Fig. 6 is another visual angle decomposition texture schematic diagram of Fig. 5.
Fig. 7 is the structural representation of the utility model embodiment light directive.
Fig. 8 is the plan structure schematic diagram of inductor group in Fig. 6.
Fig. 9 a is hot spot standard and physical location schematic diagram.
Fig. 9 b is hot spot deflected position schematic diagram.
Figure 10 a is that single-axis solar tracking sensing device is installed in the structural drawing on optically focused module.
Figure 10 b is the structural drawing at another visual angle of Fig. 9 a.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 4 also in conjunction with consulting shown in Fig. 5 and Fig. 7; the utility model provides a kind of single-axis solar tracking sensing device 100; comprise reflection configuration 20 and the sensor module 30 of containment vessel 10 interior installations and be arranged on the beneath connection end 40 of this containment vessel 10, wherein:
This containment vessel 10 comprises accessory mounting plate 11, casing 12 and the case lid 13 in casing 12 by accessory mounting plate 11 clips; wherein these casing 12 inner chambers are provided with location division 121; the degree of depth a little of this location division is provided with boss 122 relatively, and described accessory mounting plate 11 is fixing by this location division 121.In the present embodiment, this accessory mounting plate 11 is rectangle, and be provided with printing opacity mouth 111 and coarse sensor 112, this printing opacity mouth 111 is rectangle, be located at the position that keeps to the side, these accessory mounting plate 11 one end, this printing opacity mouth 111 is through casing 12 inner chambers, and the width edge of its length sides and this accessory mounting plate 11 is parallel state setting; This coarse sensor 112 is installed on this accessory mounting plate 11 with protruding situation, in the present embodiment, this coarse sensor 112 is at least 2, be installed on accordingly this accessory mounting plate 11 ends, in the present embodiment, described coarse sensor 112 can be used to determine sun general orientation, drives optically focused module to carry out just slightly following the tracks of, and its tracking accuracy can meet the following range demand of internal sensor assembly 30.
This reflection configuration 20 approaches these accessory mounting plate 11 back sides at described casing 12 inner chambers and installs, and comprise the first catoptron 21 and the second catoptron 22, wherein: this first, second catoptron 21,22 is located at this accessory mounting plate 11 two ends, the back side, have respectively first, second irradiation portion 211,221, described the first irradiation portion 211 is configured in light refrangible that described printing opacity mouth 111 incidents come to the position on this second catoptron 22; Described the second irradiation portion 221 is contrary situation setting with respect to the first irradiation portion, and this second irradiation portion 221 accepts this first irradiation portion 211 and penetrates the light source coming and be refracted to sensor module 30 downwards.
This sensor module 30 consists of some light sensors, and by pcb board, is arranged on the bottom position that closes on of described casing 12 inner chambers, and in the present embodiment, some light sensors are divided into ratio sensor 31 and precise sensors 32,33.In the present embodiment, the light source that this sensor module 30 comes for these the second catoptron 22 incidents of induction, be located at accordingly this second catoptron 22 belows, be promote inductive effects, described ratio sensor 31 and precise sensors 32,33 are " product " font or are " one " font be arranged on PCB.In the present embodiment, when incident ray and printing opacity mouth plane out of plumb, precise sensors 32,33 illumination states are different, now to ratio sensor 31, can be used for calibrating the light state that is subject to of precise sensors 32,33.
Shown in Fig. 6 and Fig. 7, in order to guarantee that sensing device 100 has larger angular field of view, avoid following the tracks of angular deviation and because of unglazed, cause following the tracks of blind area when excessive, so at these accessory mounting plate 11 two ends at right angle settings two coarse sensors 112, this coarse sensor 112 is that the silicon photocell by identical parameters forms, and the photosurface of two coarse sensors 112 is relative, the angular field of view that guarantees by this this sensing device 100 reaches 180 degree, by described coarse sensor 112 output signal differences, can determine that tracking direction avoids occurring blind area.
Incorporated by reference to consulting described in Fig. 8 a and Fig. 8 b, in the utility model embodiment, the running of this single-axis solar tracking sensing device 100, that sunshine by printing opacity mouth 111 vertical incidence incides on the first catoptron 21 and carries out after primary event, be reflected to the second catoptron 22 and carry out secondary reflection, through secondary reflecting to sensor module 30, wherein: the reflection horizon that reflecting surface (as first, second irradiation portion) material can select reflection horizon, metal surface or other materials to form.In order to guarantee that the spot width on accurate tracking photoelectric sensor does not change after angular deflection, thereby need to guarantee that secondary reflection face need be greater than primary event face (in the present embodiment, this the second irradiation portion 221 is greater than the area of this first irradiation portion 211) same, primary event face should be greater than printing opacity mouth 111 areas (in the present embodiment, this the first irradiation portion is greater than the area of printing opacity mouth 111), so multiple reflections design has increased its optical path length when reducing sensor bulk.
Incorporated by reference to consulting shown in Fig. 9 a and Fig. 9 b, this single-axis solar tracking sensing device 100 is assembled on optically focused module, in the utility model embodiment, four limits of this optically focused module can be in conjunction with the needs of concrete putting position, optionally at diverse location, 3 single-axis solar tracking sensing devices 100 are installed, when on one side there is shade and block, can be used as in addition on one side to supplement and survey, in raising system reliability, reduce the installing space between module like this.
In sum, be only the preferred embodiment of the utility model, with this, do not limit protection domain of the present utility model, all equivalences of doing according to the utility model the scope of the claims and description change and modify, within being all the scope that the utility model patent contains.
Claims (10)
1. a single-axis solar tracking sensing device, the connection end that comprises reflection configuration and the sensor module of installing in containment vessel and be arranged on this containment vessel bottom, it is characterized in that: this containment vessel comprises the case lid of clip accessory mounting plate in casing, this accessory mounting plate is rectangle and is provided with printing opacity mouth and coarse sensor, this printing opacity mouth is located at the position that keeps to the side, this accessory mounting plate one end, and this coarse sensor is connected with this connection end by circuit; This reflection configuration comprises first, second catoptron, this first, second catoptron has respectively first, second irradiation portion and approaches respectively in the two ends at this accessory mounting plate back side to be installed, described the first irradiation portion is configured in light refrangible that the incident of described printing opacity mouth comes to the position on this second catoptron, described the second irradiation portion is contrary situation setting with respect to the first irradiation portion, and this sensor module is tackled the position that this second irradiation portion refrangible arrives and installed and be connected with this connection end by circuit by pcb board.
2. single-axis solar tracking sensing device as claimed in claim 1, is characterized in that: described coarse sensor is at least two and be arranged on described accessory mounting plate two ends with corresponding situation.
3. single-axis solar tracking sensing device as claimed in claim 1, is characterized in that: described casing, its inner chamber is provided with location division, and the downward degree of depth in this location division is provided with boss relatively.
4. single-axis solar tracking sensing device as claimed in claim 3, is characterized in that: described accessory mounting plate is fixed on this location division.
5. single-axis solar tracking sensing device as claimed in claim 3, is characterized in that: described pcb board is arranged on described inner chamber and closes on this bottom half position.
6. single-axis solar tracking sensing device as claimed in claim 1, is characterized in that: described printing opacity mouth is rectangle, and the width edge of its length sides and this accessory mounting plate is parallel state setting.
7. single-axis solar tracking sensing device as claimed in claim 1, is characterized in that: described sensor module is that light sensor forms.
8. single-axis solar tracking sensing device as claimed in claim 7, is characterized in that: described light sensor comprises ratio sensor and precise sensors.
9. single-axis solar tracking sensing device as claimed in claim 8, is characterized in that: described is the arrangement of " product " font to ratio sensor and precise sensors.
10. single-axis solar tracking sensing device as claimed in claim 8, is characterized in that: described is the arrangement of " one " font to ratio sensor and precise sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420130183.4U CN203745915U (en) | 2014-01-07 | 2014-03-21 | Uniaxial solar tracking sensing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008403 | 2014-01-07 | ||
| CN201420008403.6 | 2014-01-07 | ||
| CN201420130183.4U CN203745915U (en) | 2014-01-07 | 2014-03-21 | Uniaxial solar tracking sensing device |
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| CN203745915U true CN203745915U (en) | 2014-07-30 |
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| CN201420130183.4U Expired - Lifetime CN203745915U (en) | 2014-01-07 | 2014-03-21 | Uniaxial solar tracking sensing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885462A (en) * | 2014-01-07 | 2014-06-25 | 武汉凹伟能源科技有限公司 | Single-shaft solar tracking and sensing device |
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2014
- 2014-03-21 CN CN201420130183.4U patent/CN203745915U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885462A (en) * | 2014-01-07 | 2014-06-25 | 武汉凹伟能源科技有限公司 | Single-shaft solar tracking and sensing device |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140730 |