Receiver module for solar power station with in-built thermal monitoring
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24J-002/46
F24J-002/38
F24J-002/07
F24J-002/16
F24J-002/40
F24J-002/10
출원번호
US-0005155
(2012-03-13)
등록번호
US-9322576
(2016-04-26)
우선권정보
FR-11 50257 (2011-03-14)
국제출원번호
PCT/EP2012/054312
(2012-03-13)
§371/§102 date
20130913
(20130913)
국제공개번호
WO2012/123433
(2012-09-20)
발명자
/ 주소
Couturier, Raphael
Bruch, Arnaud
출원인 / 주소
Commissariat á l'énergie atomique et aux énergies alternatives
대리인 / 주소
Oblon, McClelland, Maier & Neustadt, L.L.P.
인용정보
피인용 횟수 :
1인용 특허 :
6
초록▼
A receiver module for a solar power station receiver, including a metal structure and an absorber module, the metal structure defining a cavity extending along a longitudinal axis in a base of which the absorber module is housed. The cavity includes an aperture configured to be aligned towards at le
A receiver module for a solar power station receiver, including a metal structure and an absorber module, the metal structure defining a cavity extending along a longitudinal axis in a base of which the absorber module is housed. The cavity includes an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture is edged by two side portions of the metal structure extending longitudinally on either side of the cavity. The receiver module also includes thermocouples positioned on each of the side portions relative to the longitudinal axis to detect a temperature difference between a reference temperature and two points of the metal structure that are opposite relative to the longitudinal axis.
대표청구항▼
1. A receiver module for a solar power station, the receiver module comprising: an absorber module;a metal structure defining a cavity at a base of which the absorber module is housed, the cavity including an aperture configured to be aligned towards at least one mirror of the solar power station, t
1. A receiver module for a solar power station, the receiver module comprising: an absorber module;a metal structure defining a cavity at a base of which the absorber module is housed, the cavity including an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture being edged by at least one side portion of the metal structure;a detector positioned on the at least one side portion to detect at least one temperature difference between a reference temperature and a first point of the side portion, and a temperature difference between the reference temperature and a second point of the side portion, the first and second points of the side portion being opposite one another relative to a plane of symmetry of the cavity, wherein the receiver module having a longitudinal axis, and the cavity extends along the longitudinal axis, the metal structure comprising two side portions extending longitudinally on either side of the cavity, both measurement points being positioned on each of the side portions relative to the longitudinal axis. 2. A receiver module according to claim 1, in which the detector comprises at least two thermocouples, each of the at least two thermocouples being installed on the at least one side portion of the metal structure. 3. A receiver module according to claim 1, in which the detector is installed on the at least one side portion of the metal structure on a face opposite the face configured to be aligned to face the mirrors. 4. A receiver module according to claim 1, in which the absorber module comprises at least two pipes that are adjacent and which extend longitudinally. 5. A receiver module according to claim 1, having a longitudinal axis, and the cavity extends along the longitudinal axis, the metal structure comprising two side portions extending longitudinally on either side of the cavity, both measurement points being positioned on each of the side portions relative to the longitudinal axis, the receiver module further comprising an internal metal plate folded to form the cavity of longitudinal axis, two angles, each attached to the side edges of the internal metal plate, forming the side portions, with at least two metal elements forming an arc of a circle attached to each of the longitudinal ends of the angles and surrounding the internal metal plate opposite the aperture of the cavity, and an external cover in a form of half-tube attached to the elements forming an arc of a circle. 6. A receiver comprising at least two receiver modules, each receiver module comprising: an absorber module;a metal structure defining a cavity at a base of which the absorber module is housed, the cavity including an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture being edged by at least one side portion of the metal structure;a detector positioned on the at least one side portion to detect at least one temperature difference between a reference temperature and a first point of the side portion, and a temperature difference between the reference temperature and a second point of the side portion, the first and second points of the side portion being opposite one another relative to a plane of symmetry of the cavity, wherein the receiver module having a longitudinal axis, and the cavity extends along the longitudinal axis, the metal structure comprising two side portions extending longitudinally on either side of the cavity, both measurement points being positioned on each of the side portions relative to the longitudinal axiswherein, the receiver modules are placed end-to-end and connected to one another, and wherein the absorber modules are connected in a sealed fashion. 7. A receiver according to claim 6, in which the detector is distributed along an entire length of the receiver. 8. A solar power station comprising: at least one receiver comprising at least two receiver modules, each receiver module comprising:an absorber module;a metal structure defining a cavity at a base of which the absorber module is housed, the cavity including an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture being edged by at least one side portion of the metal structure;a detector positioned on the at least one side portion to detect at least one temperature difference between a reference temperature and a first point of the side portion, and a temperature difference between the reference temperature and a second point of the side portion, the first and second points of the side portion being opposite one another relative to a plane of symmetry of the cavity, wherein the receiver module having a longitudinal axis, and the cavity extends along the longitudinal axis, the metal structure comprising two side portions extending longitudinally on either side of the cavity, both measurement points being positioned on each of the side portions relative to the longitudinal axiswherein, the receiver modules are placed end-to-end and connected to one another, and wherein the absorber modules are connected in a sealed fashion;a frame to suspend the at least one receiver;mirrors positioned under the receiver such that the mirrors reflect a solar flux on to the absorber, the mirrors configured to be aligned relative to the receiver;at least one actuator to move the mirrors; andone control unit for controlling the at least one actuator. 9. A solar power station according to claim 8, in which the receiver has a longitudinal axis and the mirrors are distributed in groups along the longitudinal axis, a same alignment being imposed on all the mirrors of a given group, and each group comprising at least one actuator controlled independently of the actuators of the other groups. 10. A solar power station according to claim 9, in which the receiver comprises as many detectors as there are groups of mirrors, wherein the detectors are positioned on the side portions of the metal structure at an interval that is staggered relative to that of the groups of mirrors. 11. A solar power station according to claim 9, in which, when a temperature difference is detected which is higher than a threshold value, for a given group of mirrors, the control unit determines, in accordance with an actual alignment of the mirror and of alignment of the sun at a time when the temperature difference is detected, a correction angle for the group of mirrors, and controls the at least one actuator of the group of mirrors to pivot through the determined correction angle, and then checks effect of the rotation on the temperature difference. 12. A method for monitoring a solar power station comprising: at least one receiver comprising at least two receiver modules, each receiver module comprising:an absorber module;a metal structure defining a cavity at a base of which the absorber module is housed, the cavity including an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture being edged by at least one side portion of the metal structure;a detector positioned on the at least one side portion to detect at least one temperature difference between a reference temperature and a first point of the side portion, and a temperature difference between the reference temperature and a second point of the side portion, the first and second points of the side portion being opposite one another relative to a plane of symmetry of the cavity, wherein the receiver module having a longitudinal axis, and the cavity extends along the longitudinal axis, the metal structure comprising two side portions extending longitudinally on either side of the cavity, both measurement points being positioned on each of the side portions relative to the longitudinal axis wherein, the receiver modules are placed end-to-end and connected to one another, and wherein the absorber modules are connected in a sealed fashion;a frame to suspend the at least one receiver;mirrors positioned under the receiver such that the mirrors reflect a solar flux on to the absorber, the mirrors configured to be aligned relative to the receiver;at least one actuator to move the mirrors; andone control unit for controlling the at least one actuator, wherein the method comprising:a) measurement of temperature differences along a length of the receiver, and comparison with a threshold value;b) when one or more temperature difference(s) is/are greater than the threshold value, determination of a correction angle for the mirror or mirrors concerned;c) modification of an angle of alignment of the mirror or mirrors concerned in accordance with the calculated correction angle;d) verification of effect of the modification;e) if the temperature difference for one or more mirrors concerned is greater than the threshold value, b), c) and d) are repeated; otherwise a) is repeated. 13. A method according to claim 12, in which d) occurs plural hours or one day after c). 14. A method according to claim 12, in which, if after plural corrections the temperature difference is still greater than the threshold value, an individual action is taken on the mirrors and/or measures are taken to protect the solar power station relative to solar flux. 15. A method according to claim 14, in which the threshold value is equal to 10° C. 16. A receiver module according to claim 1, in which the first and second points are contained in a plane orthogonal to the longitudinal axis.
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이 특허에 인용된 특허 (6)
Mills, David R.; Schramek, Philipp; Le Lievre, Peter K.; Degraaff, David B.; Johnson, Peter L.; Hoermann, Alexander, Linear fresnel solar arrays.
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