CN2067809U - Sunlight tracking device driven by controllable potencial energy - Google Patents

Abstract

The utility model provides a sunlight tracking device driven by controllable potential energy, which is realized by using a load or a drive component whose electric resistance release mechanism drives the potential energy. The sunlight tracking device driven by controllable potential energy has the advantages of large output torque, high precision, no power supply, sunlight tracking trough the congestus cloud, light weight and simple structure. The sunlight tracking device driven by controllable potential energy can be used for manufacturing various high-performance solar energy utilization devices. The wide prospect for wide effective solar energy utilization is opened by the sunlight tracking device driven by controllable potential energy.

Description

Sunlight tracking device driven by controllable potencial energy

The utility model relates to a kind of solar tracking device that drives with potential energy.

For effectively utilizing solar energy, the normal requirement followed the tracks of sunlight.Stepper motor driven solar tracking device, precision is high but involve great expense and need to be equipped with reducing gear and power power-supply; The solar tracking device that has a kind of clockwork spring to drive, it need not electricity consumption but tracking error is bigger.

The purpose of this utility model provides a kind of solar tracking device, and it utilizes potential energy work and tracking error little.

The purpose of this utility model is achieved in that resistance that load that the potential energy accumulating mechanism that adopts one to be made up of flexible member or weight, control circuit comprise that the mechanism of control signal and input element, load and the motion of about beam loading and one drive potential energy as control circuit executing agency or its drive disk assembly provide the intermittence disappearance, and electronic releasing hindered the device that mechanism forms the plane skylight tracks sunlight illumination angle of the Columnating type solar thermal-arrest of the solar tracking device of a controlled driving of potential energy, the particularly controlled driving of potential energy and use device.

According to control theory, the utility model is an automatic control system.Accompanying drawing 1 is a system block diagram.Wherein mean input/output terminal and the containing of representing with Arabic numerals of each block diagram:

1: manual potential energy input.

2: the manual control signal input.

3: the wind-force signal input part.

4: solar radiation angle signal input.

5: the state of light receiving component or plane skylight or load.

6: potential energy accumulation of energy and driving mechanism.

7: " position/light " amplifying element.

8: " light/" amplifying element.

9: control circuit comprises the control signal estimator.

10: carry out link, the promptly electronic resistance mechanism of releasing.

As seen from the figure: system is input as the sun lights firing angle, and can import wind-force alarm signal and other control signal that wind sensor provides, is output as the state of light receiving component or plane skylight or load, the band negative feedback links.The utility model also can be used for the tracking of sun altitude and the groove shape of non-East and West direction and non-north-south layout focuses on the sun altitude of reflector even load and the comprehensive tracking of illumination angle.

Among Fig. 1, the manual control signal input is used in cloudy start-up control signal estimator or shutdown, also can make device be in a certain special state.The device duration of work, input and output are relatively delivered to control circuit again after " position/light " and " light/" two links are amplified, in case the device illumination angle is overproof, control circuit can make executing agency that output state is adjusted with realization and follow the tracks of; The control signal estimator is to have the time interval of twice adjacent action of poor sunshine tracking system to be close to a constant according to earth surface linear, adopt a signal generator with identical time constant to estimate the error of illumination angle, sometimes it is also referred to as cyclelog, adopt the control signal estimator can make device see through the heavy clouds tracks sunlight, but the moment that will prevent its cumulative errors and need first signal of check and correction to send when using.Preferably photoelectric cell is used in combination with estimator, but the signal of control circuit preferential answering photoelectric cell.Estimator and control circuit can be made together during manufacturing, also do not draw in addition in the block diagram.

Accompanying drawing 2 provides an embodiment of the present utility model, and this is the fundamental diagram of a controlled drive unit of potential energy.As seen from the figure: when to enough big left the power of one of tooth bar 11 effect, tooth bar 11 will clockwise rotate it because of being subjected to 12 constraints of arc track moving sets to do counterclockwise to rotate and drive clockwork spring dishes 14 by skin normal 13.Simultaneously, clockwise rotate and tooth bar 11 disengagings because of friction makes the driving lever 15 that contacts with clockwork spring dish 14 end faces rotate counterclockwise and drive normal resistance sheet 16, tooth bar 11 motions are unaffected, load so set.Clockwork spring dish 14 therefore also obtain potential energy and hold for driving load.After, coil 17 each time electric, all can make normal resistance sheet 16 skip a tooth left by armature 18, this makes tooth bar 11 begin to clockwise rotate under clockwork spring potential energy drives but stops that tooth bar 11 moves to right less than a tooth pitch because of the temporary sheet 19 that hinders; During coil 17 dead electricity, hinder sheet 19 temporarily and return.Tooth bar 11 is rotated further and is often hindered that sheet 16 stops behind the full tooth pitch of row heavily again and static.Thereby this process can repeat to make tooth bar 11 to drive load by control requirement action.Here, thus coil 17 and armature 18 form an electromagnet and drive normal resistance sheet 16 and make it mutually meshing or break away from the motion that stops or allow tooth bar 11 with tooth bar.Electromagnet and normal resistance sheet 16, the resistance that hinders motion that sheet 19 constitutes load that potential energy is driven or drive disk assembly and provide intermittence to disappear temporarily drive the electronic resistance mechanism of releasing of the effect of carrying out tracks sunlight to realize intermittence.Can reduce device volume and change the load movement form to make adaptation various requirement and purposes by tooth bar 11 being changed into pinion.Rack-and-pinion can be commonly referred to as moving gear piece.

The solar tracking device of the controlled driving of potential energy is simple in structure, in light weight, cost is low, output torque is big, tracking accuracy is high, little power consumption and need not to use power power-supply.It provides a kind of better way device for the mankind wide and practical use high-grade solar energy.

Accompanying drawing 3,4 has been described an embodiment of the present utility model.This is a parabolic reflective focused type solar heat collector that the controlled driving of the potential energy with automatic windproof hook pin is followed the tracks of.Fig. 3 is for facing, and Fig. 4 is side-looking.Plane skylight 20 moves by 21 constraints of arc track moving sets so that sunlight can be converged at heat collecting element 25 all the time among the figure.Moving sets 21 standing parts are two arc parallel orbits 22, and available manual elevation angle is followed the tracks of or governor motion is adjusted its inclination angle to carry out the altitude of the sun angle tracking.Manually the elevation angle follower is by the also available revolute pair of arc track moving sets 23() and manual tooth drive disk assembly 24 formations.By linking to each other with pedestal in order to the planar contact pair 26 of adjusting the heat collector orientation.The accumulating mechanism of device is made up of weight 27 and variable force arm assembly pulley 28, to its input potential energy and after making plane skylight 20 set simultaneously, shine on the photoelectric cell 29 that is contained in plane skylight 13 right backs whenever sunlight, promptly contrasting the overproof control section that all can make of firing angle responds, the electronic resistance 30(of mechanism that releases represents with one section armature) action, plane skylight is driven by belt 31 by the potential energy accumulating mechanism clockwise rotate the tracking sunshine.This tracking means driving force can reach 20 kilograms, and trueness error is less than 0.2 degree, and No. 1 battery of two joints can be worked half a year, and cost is also very low.Adopt variable force arm assembly pulley can shorten the weight expansion space stroke.Accompanying drawing 5,6 is a kind of fundamental diagram of automatic windproof hook pin.Among the figure, comprise that the hook pin standing part 32 of spring, latch block and latch can be with hook pin movable part 33 lockings that enter along arrow direction wherein.Handle 34 in the accompanying drawing 3,4 can be used as the hook pin movable part.Comprise the alarm signal that responds wind sensor and move to terminal point (windproof position) and all can strengthen fixing whenever plane skylight 20 moves to terminal point by hook pin.This heat collector can provide 400 ℃ high temperature heat source.(separate case is applied for a patent)

The plane skylight of above-mentioned heat collector changed as photocell comprise that focusing photovoltaic cell module has just constituted the photocell power supply of the controlled tracking of potential energy, its ratio of performance to price and efficient are very high.Make portable product for small light battery plate and the controlled driving of some also available clockwork spring of device; The heat collecting element of above-mentioned heat collector is changed the optical fiber biography electro-optical device that the light input end of making optical fiber biography electro-optical device just constitutes the controlled tracking of potential energy, can grow distance by it and transmit natural daylight.In addition, also the plane skylight of above-mentioned heat collector can be changed into multitudinous smooth things such as shining thing carriage, door and window or window cloth and make solarization thing device and the light-operated door and window that the controlled driving of potential energy is followed the tracks of, they have many use in life and production.

Claims (5)

1, the light receiving component that utilizes potential energy intermittence ground to drive solar energy collecting and use device is followed the tracks of sunshine, particularly drive the device of the plane skylight tracks sunlight illumination angle of Columnating type solar thermal-arrest and use device, this device is by a potential energy accumulation of energy and a driving mechanism of being made up of flexible member or weight, control circuit comprises control signal and input element thereof, the compositions such as mechanism of load and the motion of about beam loading, the motion that it is characterized in that containing a load that potential energy is driven as device control circuit executing agency or drive disk assembly provide electronic the releasing of the resistance that intermittence disappears to hinder mechanism.

2, device according to claim 1, it is characterized in that containing one by contrasting the photoelectric cell of the overproof signal of firing angle between the exportable reflection light receiving component in its installation site or plane skylight or load and the sunlight or contain a control signal estimator, and provide control signal to control circuit by this photoelectric cell or control signal estimator.

3, device according to claim 1, made it and move gear piece by solenoid actuated with one by moving gear piece mutually meshing or break away from the normal resistance sheet that stops or allow moving gear piece motion thereby it is characterized in that containing one.

4,, it is characterized in that containing an altitude of the sun angle tracking or governor motion, particularly contain by revolute pair or arc track moving sets and the manual altitude of the sun angle tracking or the governor motion that constitute of tooth drive disk assembly according to claim 1 or 2 or 3 described devices; The hook pin that can contact and automatically lock with fixing counterpart is housed on light receiving component or plane skylight or load and connector thereof, and contains a sensor that the wind-force alarm signal is provided to control circuit.

5,, it is characterized in that its load is that photovoltaic cell module comprises focusing photocell or solarization thing carriage or door and window or multitudinous smooth thing according to claim 1 or 2 or 3 described devices.

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