CN201130327Y

CN201130327Y - Apparatus for automatically tracking direction rotating shaft fixed solar receiver

Info

Publication number: CN201130327Y
Application number: CNU2007201583065U
Authority: CN
Inventors: 卢育发; 李倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2008-10-08
Anticipated expiration: 2017-11-30

Abstract

The utility model relates to an automatic tracking device for an azimuth rotating shaft fixed solar receiver, comprising an elevation axis (11) arranged on a bracket (2) which is supported by a seat body (1) and an azimuth rotating shaft (7) which is vertical to the elevation axis and arranged on a housing (3) on the elevation axis (11); an optical receiver (4) is connected with the azimuth rotating shaft and the housing is provided with an azimuth motor (8), an azimuth transmission mechanism, an elevation motor (17) and an elevation transmission mechanism; the optical receiver (4) is provided with two optical acquisition seat (5,15) with optical acquisition windows, wherein the inclined planes of the grooves (5a,15a) arranged on the two optical acquisition seat is inclined with the optical acquisition plane of the optical receiver and the inclined planes of the two grooves are in opposite direction; the bottoms of the groove inclined planes are provided with photosensitive elements (6,16) respectively. The tracking device controlled by electronic control device can guarantee the optical receiver facing the sun; the tracking device has the advantages of rational structure, reliability, accurate tracking and tracking for other light sources.

Description

Automatically tracking device for direction rotating shaft fixed solar receiver

Technical field

The utility model relates to tracking means, specifically a kind of solar follow-up device of solar receiver.

Background technology

With solar collector during to the collection of sun power, because the relative motion meeting of the earth and the sun causes the oblique illumination of sunlight to solar collector, and make collection efficiency low, for guaranteeing that solar collector can face the sun all the time, adopt some tracking means to drive solar collector at present and follow the sun, realize synchronous tracking the sun.The comparatively ideal tracking means of an existing class can be implemented in the synchronous tracking of orientation and two aspects, the elevation angle, but the problem that exists is, structure is complicated, the cost of manufacture height, follows the tracks of defectives such as energy consumption height, reliability are low.

The utility model content

The purpose of this utility model is to provide a kind of automatically tracking device for direction rotating shaft fixed solar receiver simple and reasonable for structure.

For achieving the above object, the utility model adopts following scheme: automatically tracking device for direction rotating shaft fixed solar receiver, one pedestal upper support has support, be connected with optical receiver on the support, on support, be fixed with elevation axis, one casing is housed on elevation axis, the direction rotating shaft vertical with elevation axis is housed on casing, optical receiver connects with direction rotating shaft, on casing, be provided with the orientation gear train that the transmission direction rotating shaft rotates, reach the elevation drive gear that transmission case body rotates around elevation axis, the rotating shaft of azimuth-drive motor that is equipped with on casing and elevation angle motor connects with the input end of orientation gear train and elevation drive gear respectively.On optical receiver, be provided with two light collection seats that all have the light collection window, respectively have a groove on the front end face of each light collection seat, the collection face tilt of the bottom surface of each groove and optical receiver, and be provided with a dip plane in the groove on the two light collection seats, the dip plane vergence direction is opposite, is respectively equipped with a light activated element in each bottom on inclined-plane in groove.

Above-mentioned automatically tracking device for direction rotating shaft fixed solar receiver is when being provided with, make its azimuth axis parallel with the axis of rotation of the earth, by azimuth-drive motor and elevation angle motor difference transmission orientation gear train and elevation drive gear, optical receiver is followed the tracks of respectively on orientation and elevation direction to the sun.For the collection face that guarantees optical receiver faces the sun all the time, realize the control of following several respects again by electronic-controlled installation: 1, come the control azimuth rotating speed of motor by electronic-controlled installation, make the rotating speed of azimuth-drive motor approach clock rate, guarantee optical receiver on the orientation with sun synchronization, 2, combine with light activated element in the two light collection seats by electronic-controlled installation, the elevation angle of control optical receiver, when favouring the surface irradiation of receiver when light, the light intensity difference collected of two light activated elements then, electronic-controlled installation is by comparing the power of their photosignals, the forward or reverse of control elevation angle motor, the light intensity of collecting until two light activated elements is identical, be sunshine when vertically impinging upon on the collection face of optical receiver, elevation angle motor is shut down; 3, the automatic control azimuth of electronic-controlled installation at night motor counter-rotating makes optical receiver be back to the initial position in morning, and when second day The sun came up, azimuth-drive motor is restarted.By the control of above several respects, can guarantee that the collection face of optical receiver faces the sun all the time.

The utility model is rational in infrastructure, reliable, follows the tracks of accurately, and the tracking energy consumption is low, compared with prior art also reduce greatly on the complexity of structure, and it also can be used for other light source is followed the tracks of.

Description of drawings

The structural drawing of Fig. 1 the utility model one embodiment;

The A-A cut-open view of Fig. 2 Fig. 1;

The B-B cut-open view of Fig. 3 Fig. 1;

The C of Fig. 4 Fig. 2 is to view;

The D of Fig. 5 Fig. 1 is to view;

The E of Fig. 6 Fig. 1 is to view.

Embodiment

Further specify the utility model below in conjunction with embodiment and accompanying drawing.

Referring to Fig. 1, the automatically tracking device for direction rotating shaft fixed solar receiver that the utility model provides, it has a pedestal 1, pedestal 1 upper support has support 2, be connected with optical receiver 4 on the support 2, on support 2, be fixed with elevation axis 11, a casing 3 is housed on elevation axis 11, the direction rotating shaft 7 vertical with elevation axis 11 is housed on casing 3, and optical receiver 4 connects with direction rotating shaft 7.

In conjunction with Fig. 1, Fig. 2, Fig. 4, on casing 4, be provided with and make constituting of orientation gear train that direction rotating shaft 7 rotates, an one active worm screw 10 and a driven worm screw 13 are loaded on the casing 4, on driven worm screw 13, be equipped with and the worm gear 14 of worm screw 10 engagements initiatively, on azimuth axis 7, be fixed with one with the worm gear 12 of driven worm screw 13 engagements.Initiatively worm screw 10 is the input end of orientation gear train, and initiatively worm screw 10 connects with the rotating shaft of azimuth-drive motor 8.When azimuth-drive motor 8 transmissions worm screw 10 initiatively, and during by worm gear 14 driven transmission worm screws 13 and

worm gear

12,7 of azimuth axis can rotate together with optical receiver 4.

In conjunction with Fig. 1, Fig. 3, Fig. 4, on casing 3, be provided with and make constituting of elevation drive gear that casing 4 rotates around elevation axis 11, a worm gear 9 is housed on elevation axis 11, be equipped with on the casing 4 and this worm gear 9 engaged worm 18.Worm screw 18 is the input end of elevation drive gear, and worm screw 18 connects with the rotating shaft of elevation angle motor 17.The rotation meeting transmission worm screw 18 of elevation angle motor 17, because worm gear 9 is contained on the elevation axis 11, and elevation axis 11 is fixed on the support 2, so casing 3 just can rotate around elevation axis 11, and drives optical receivers 4 by casing 3 and rotate at elevation direction.

In conjunction with Fig. 1, Fig. 5, Fig. 6, on optical receiver 4, be provided with two light collection seat 5, light collection seats 15 that all have the light collection window, respectively have a groove 5a, groove 15a on the front end face of each light collection seat 5, light collection seat 15, be provided with a dip plane in groove 5a, the groove 15a, the light collection face tilt of it and optical receiver 4, and the vergence direction of the groove 5a on light collection seat 5, the light collection seat 15, the dip plane of groove 15a is opposite, is respectively equipped with a light activated element 6, light activated element 16 at each in the sloping bottom of the bottom surface that groove 5a, groove 15a tilt.As seen, by electronic-controlled installation and two light activated elements 6, after light activated element 16 combinations, follow the tracks of in the orientation when accurate, the sunshine that receives must drop in groove 5a and the groove 15a, when the light oblique illumination is on the collection face of optical receiver 4, then there is a sunlight that does not receive sunlight or reception more weak in light activated element 6 and the light activated element 16, come the power of the photosignal that comparison light activated element 6 and light activated element 16 sent by the circuit in the electronic-controlled installation, control elevation angle motor 17 forward or reverse, optical receiver 4 is rotated at elevation direction, up to the collection face of light vertical irradiation at optical receiver, the light intensity that this moment, light activated element 6 and light activated element 16 were accepted equates, comparator circuit control elevation angle motor shuts down, and realizes the accurate tracking at the elevation angle.

Claims

1, automatically tracking device for direction rotating shaft fixed solar receiver, one pedestal (1) upper support has support (2), be connected with optical receiver (4) on the support (2), it is characterized in that: on support (2), be fixed with elevation axis (11), one casing (3) is housed on elevation axis (11), the direction rotating shaft (7) vertical with elevation axis (11) is housed on casing (3), optical receiver (4) connects with direction rotating shaft (7), on casing (4), be provided with the orientation gear train that transmission direction rotating shaft (7) rotates, reach the elevation drive gear that transmission case body (3) rotates around elevation axis (11), the azimuth-drive motor (8) that is equipped with on casing (3) and the rotating shaft of elevation angle motor (17) connect with the input end of orientation gear train and elevation drive gear respectively.

2, automatically tracking device for direction rotating shaft fixed solar receiver according to claim 1, it is characterized in that: the constituting of described orientation gear train, an one active worm screw (10) and a driven worm screw (13) are loaded on the casing (3), worm gear (14) with active worm screw (10) engagement is housed on driven worm screw (13), on azimuth axis (7), be fixed with one with the worm gear (12) of driven worm screw (13) engagement, initiatively worm screw (10) connects with the rotating shaft of azimuth-drive motor (8).

4, automatically tracking device for direction rotating shaft fixed solar receiver according to claim 1, it is characterized in that: the constituting of described elevation drive gear, one worm gear (9) is housed on elevation axis (11), be equipped with on the casing (3) and this worm gear (9) engaged worm (18), worm screw (18) connects with the rotating shaft of elevation angle motor (17).