CN2087316U

CN2087316U - Automatic tracking device for error correction type solar cooker

Info

Publication number: CN2087316U
Application number: CN91211146U
Authority: CN
Inventors: 刘殿玉
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-01-21
Filing date: 1991-01-21
Publication date: 1991-10-23

Abstract

A kind of automatic tracking device of the calibration type solar cooker is mainly composed of the horizontal tracking mechanism, the longitudinal tracking mechanism and the automatic control device. The horizontal tracking mechanism consists of an electromagnet with wide teeth, a rack, a limit switch and a shading cylinder. The longitudinal tracking mechanism consists of a motor, a transmission system, a lead screw, a nut, a rocker arm and a shading cylinder. The solar tracking device is suitable for a concentrating solar cooker, a solar cell and all solar devices needing to track the sun, can automatically change along with the change of the sun all the year round, and has the advantages of simple and compact structure, convenient manufacture and high tracking precision.

Description

Automatic error-correcting tracking device for solar range

The utility model relates to a kind of solar energy auxiliary device, particularly error-correcting type solar cooker autotracker.

The earth is constantly to change around angle that the sun rotates at all seasons, the speed that light moves is also inequality among 1 year, stand in and see the sun on the earth, the sun moves from east to west within one day, thereby make solar facilities from the motion tracking sun, necessitate to guarantee that sunshine can keep gathering on the needed point all the time.Present existing tracking means is not that precision is lower, costs an arm and a leg exactly.

The purpose of this utility model is to provide that a kind of precision height, cost are low, the error-correcting type solar cooker autotracker of power consumptive province.

The said error-correcting type solar cooker of the utility model autotracker mainly is made up of horizontal follower, vertical follower and automaton.Horizontal follower is made up of electromagnet 6, rack rails 8, limit switch 13 and the cone 1 of bandwidth teeth 7, is DT among Fig. 2 at electromagnet 6( ₁) position of centre of gravity fixes an iron rod, this iron rod is inserted in the iron pipe on the rotation post that is fixed on solar energy bearing 9 tops, wide teeth 7 are being fixed in iron core 12 the place aheads of electromagnet 6, can only inhour swing, with the tooth engagement on the rack rails 8, also be connected with a return spring 14, wide teeth 7 that mesh with rack rails 8 are also being fixed in electromagnet 6 winding shell back, also can only inhour swing, its effect is that solar cooker does not reverse when preventing that the wide teeth 7 in iron core 12 the place aheads from travelling forward under the effect of return spring 14, limit switch 13 is fixed on the iron core 12, be fixed with spacing pin 15 in limit switch one side on the electromagnet 6 winding housings, rack rails 8 is to be fixed on the circumference of quadrant bracket with a woodworking blade to form, quadrant bracket is welded on the iron pipe of one section 5 centimeter length, the iron pipe axis normal is in fan-shaped plan, iron pipe is sleeved on the solar energy anchor post of bearing 9 belows, there is jackscrew to be fixed in appropriate location on the anchor post, cone 1 is installed on the supporting plate at solar cooker edge, its setting angle is adjustable, the length of cone 1 equals the focal length of solar cooker, have a vertical long narrow square printing opacity mouth 10 on its front, a photoelectric tube 2(is installed is the 2CU among Fig. 2 on the inner bottom surface ₁).After being installed to cone 1 on the supporting plate, adjust its angle, the light that shines from printing opacity mouth 10 when solar cooker is focused in the bottom of a pan drops on the west of photoelectric tube, when the sun is mobile from east to west, the light side at the tube end moves from west to east, when light shone on the photoelectric tube 2, photoelectric tube 2 was with regard to conducting, relay J ₁Adhesive, the circuit turn-on of electromagnet 6, suck iron core 12, because rack rails 8 is fixed, reaction force moves forward the winding housing of electromagnet 6, thereby the rotation post that drives solar cooker rotates to an angle, be contained in wide teeth 7 on the winding housing simultaneously also along with moving forward a tooth, spacing lever 15 compressing limit switch 13 (on this moment winding shell are the XK among Fig. 2) contact, cut off circuit, electromagnet 6 discharges, and iron core 12 is being with limit switch 13 to travel forward under the effect of return spring 14, and the wide teeth 7 of its front are also along with moving forward a tooth.After the rotation, if when injecting light in the cone 1 and being biased to the west of photoelectric tube 2 again, this sub-level is followed the tracks of to move and just is through with, if light still shines on the photoelectric tube 2, still repeats above-mentioned process, falls up to the light that injects till the west of photoelectric tube 2. said vertical followers are by motor; Transmission system; Leading screw 3; Nut 4; Rocking arm and cone 1 form; The small belt pulley of 2 centimetres of diameters is installed on the motor shaft; Big belt pulley and cone pinion that diameter is 20 centimetres are installed on the same axis; Large bevel gear is installed in the flat part of leading screw 3; Nut 4 is fixed on the frame; 60 centimetres of leading screw 3 length overalls; The one end is processed with the screw thread of 30 centimeter length; Remaining 30 centimeter length is processed into flat iron bar; At right angle setting; Screw thread one end is upper; Top and solar cooker rocking arm are hinged; Nut 4 and large bevel gear are passed in the middle part, and the sliding bearing on the frame is passed in the bottom, and the cone 1 in this mechanism is installed side by side with the cone 1 in the horizontal tracer; Its difference is that the rectangle printing opacity mouth 10 on this cone 1 front is horizontally disposed with; The tube inner bottom part is installed with two photoelectric tubes 2 one on the other, the photoelectric tube 2 control motor work in afternoon of top, the photoelectric tube 2 control motor work mornings of below. After mechanism installs, adjust the setting angle of cone 1, the light that makes it to be shone by printing opacity mouth 10 when solar cooker focuses in the bottom of a pan is fallen between two photoelectric tubes 2, and two-direction switch is pushed the position that the morning, motor just changeed.The morning, the light that injects from printing opacity mouth 10 moved down gradually when the sun during by low the rising, when the photoelectric tube 2 (that shines the below, bottom is 2CU among Fig. 2₂) when going up, photoelectric tube 2 conductings, circuit breaker J ₂Adhesive, motor just changes, and small belt pulley drives big belt pulley, and cone pinion drives large bevel gear, large bevel gear is being turned round leading screw 3 by flat hole and is being rotated, because nut 4 maintains static, so leading screw 3 had both rotated, nut 4 moves down relatively again, increase the elevation angle by rocking arm pulling solar cooker, when the elevation angle changed to the light that injects from printing opacity mouth 10 and gets back between two photoelectric tubes 2 again, photoelectric tube 2 ended, circuit breaker J ₂Discharge, circuit disconnects, the motor stall, when light moves on the photoelectric tube 2 once more, repeat once above-mentioned action again, in the afternoon, the sun is by high step-down, and the light that injects from printing opacity mouth 10 moves from bottom to top in cone 1 bottom, and the photoelectric tube 2(above shining the bottom is the 2CU among Fig. 2 ₃) when going up, photoelectric tube 2 conductings, circuit breaker J ₃Adhesive, electromagnet DT ₂Adhesive, two-direction switch is pushed on the motor backward position, the motor counter-rotating, by the 3 one side rotations of transmission system drives leading screw, one side moves up, drive solar cooker and reduce the elevation angle, when the elevation angle reduced to correct position, the light that injects cone 1 was got back to again between two photoelectric tubes, so repeating motion, realization makes solar cooker all the time sunshine group be focused on center, the bottom of a pan from motion tracking.K among Fig. 2 is a manual switch, in order to adjust the solar cooker elevation angle, makes it to focus in the bottom of a pan when begin every day.If think the time interval of twice action of the horizontal follower of prolongation, the tooth pitch that only need strengthen or dwindle rack rails 8 gets final product.If want to prolong the time interval of twice action of vertical follower, except that installing the delay circuit method additional, also can take to install expansion printing opacity mouth mechanism additional and realize that as shown in Figure 4,18 is electromagnet DT in the upper and lower of

printing opacity mouth

10 ₃, 17 are the shading iron plate, 16 is back-moving spring, relay J ₂A pair of normally opened contact and electromagnet DT ₃Series connection, the size of control printing opacity mouth in the morning 10, behind the circuit turn-on, electromagnet DT ₃Inhale moving shading iron plate 17, the printing opacity mouth is enlarged, the printing opacity mouth is big more, and the time interval of twice action of motor is just long more.In like manner, electromagnet DT ₄Be the size of control printing opacity mouth in afternoon 10, relay J ₃A pair of normally opened contact series connection with it.Except that motor, electromagnet, photoelectric tube are installed separately, other all control device, all install concentratedly in a control cabinet 5 as electrical equipments such as transformer, wiring board, relay, two-direction switch, control cabinet 5 is installed in again in the casing of vertical follower, and this casing is suspended on the same support on the solar cooker rotation post with magnet 6.This error-correcting type solar cooker autotracker is applicable to that light concentration type solar cooker, solar cell and all need follow the tracks of the solar energy equipment of the sun, and is all available throughout the year, and simple and compact structure is easy to make, the tracking accuracy height.

Description of drawings:

Fig. 1: error-correcting type solar cooker autotracker.

Fig. 2: the automatic control circuit of error-correcting type solar cooker autotracker.

Fig. 3: the electromagnet 6 in the horizontal follower, wide teeth 7 and limit switch 13.

Fig. 4: enlarge the printing opacity mouth mechanism.

Embodiment:

The electromagnet of selecting 3 kilograms of pulling force for use is as the electromagnet in the horizontal follower 6, selecting tooth pitch for use is that 3 millimeters woodworking blade is as rack rails 8, select 20 watts motor for use, select commercially available on the market hand drill for use, through changing a social system the back as the large and small bevel gear in the transmission system of vertical follower, make the screw mandrel of M8 with φ 8 round steel of 30 centimeter length, weld mutually with screw mandrel with the flat iron bar of 30 centimeter length, 2 millimeters thick, 7 mm wides and to make leading screw 3, as nut 4, select for use the 3DG6 triode with the nut of a M8 as the BG in the automatic control circuit ₁-BG ₆, R ₁-R ₃Be 10K Ω, W ₁-W ₃Be 500K Ω, be assembled into error-correcting type solar cooker autotracker described in the utility model according to the said structure principle.

Claims

1, a kind of error-correcting type solar cooker autotracker is characterized in that it is by horizontal follower, vertically follower and automaton are formed.

2, according to the said error-correcting type solar cooker of claim 1 autotracker, it is characterized in that said horizontal follower is the electromagnet 6 by bandwidth teeth 7, rack rails 8, limit switch and cone 1 are formed, wide teeth 7 have two, a place ahead that is fixed on iron core 12, a back that is fixed on electromagnet winding housing, two wide teeth all mesh with rack rails 8, all can only inhour swing, electromagnet 6 is fixed on the solar energy rotation post, rack rails 8 is fixed on the circumference of quadrant bracket, quadrant bracket is fixed on the solar energy anchor post, limit switch 13 is fixed on the iron core 12, the spacing lever 15 of handling it is fixed on the corresponding position of housing, cone 1 is installed on the supporting plate at solar cooker edge, and setting angle is adjustable, and its length equals the focal length of solar cooker, its front has a vertical rectangle printing opacity mouth 10, and a photoelectric tube 2 is installed on the inner bottom surface.

3, according to the said error-correcting type solar cooker of claim 1 autotracker, it is characterized in that said vertical follower is by motor, transmission system, leading screw 3, nut 4; rocking arm and cone 1 are formed; transmission system comprises a pair of belt pulley and a pair of bevel gear; leading screw 3 is vertically installed; long 60 centimetres; the one end is shaped on the screw thread of 30 centimeter length; other 30 centimeter length are made flat iron bar; insert in the rectangle centre bore of large bevel gear; screw thread one end is on top; Xiang Duanyu solar cooker rocking arm is hinged; the cone 1 in this mechanism is installed side by side with the cone 1 in the horizontal follower; two photoelectric tubes are installed on its inner bottom surface one on the other, and the rectangle printing opacity mouth 10 on this cone 1 front is horizontally disposed with.

4, according to claim 1 and 3 said error-correcting type solar cooker autotrackers, printing opacity mouth 10 places that it is characterized in that cone 1 front in said vertical follower can install a cover expansion printing opacity mouth mechanism additional, it is made up of electromagnet 18, shading iron plate 17, back-moving spring 16, electromagnet has two, DT ₃And DT ₄, relay J ₂A pair of normally opened contact and DT ₃Series connection, relay J ₃A pair of normally opened contact and DT ₄Series connection.