CN1065952C - Spring wheel type sun tracking device - Google Patents
Spring wheel type sun tracking device Download PDFInfo
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- CN1065952C CN1065952C CN 93107487 CN93107487A CN1065952C CN 1065952 C CN1065952 C CN 1065952C CN 93107487 CN93107487 CN 93107487 CN 93107487 A CN93107487 A CN 93107487A CN 1065952 C CN1065952 C CN 1065952C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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Abstract
The present invention provides a spring wheel type sun tracking device which can carry various small-and-medium-size energy collecting devices regardless of gravity centers and shapes or light spots and is used for heat collection, water pumping, hydrogen generation, refrigeration, sunlight engines, electricity generation, etc. The sun tracking device can track in various ways and has the advantages of low cost, no electricity consumption, small volume, small dead weight, high tracking precision, big loading capacity, starting lightsomeness, world availability, etc. The sun tracking device uses springs as energy storage and dynamic force elements and is connected with a control component through a variable transmission component, other variable speed drive pairs and a force filter to automatic track generalized hour angles. Generalized declination is tracked through the engagement position of a worm which is adjusted every other day or a great number of days.
Description
Spring wheel type sun tracking device relates to the twin shaft device following the sun that utilizes solar energy that the energy device is adopted in a kind of carrying.
The existing automatic sun tracing device that utilizes solar energy, with electric energy double-axis tracking devices such as computer program-control formula, sensor-type, photoelectricity shade tracking mode are arranged, though its each tool advantage, but all there is following shortcoming: the cost height, to use one or several drive motors, both power consumptions, the restriction that is had a power failure again; Adopting in utilization can device and the weight of carriage when coming servo-motor to drag, limited by latitude, and require bracket and adopt and to have strict static balance with respect to rotating shaft by device, maybe to add heavier mass, deadweight is increased, being difficult to spread to family expenses adopts on the energy device, non-electric automatic sun tracing device, fluid pressure type, differential, floatage-type, Weight type, hourglass formula or the like are arranged, though its cost is lower, but following the tracks of power all is the direct or indirect gravity of dependence fully, so restricted by geographic latitude, suitable application region is less; Inconvenience is installed, used to volume and from great; Be difficult to carry eccentric weight bigger adopt can device; And mostly they are uniaxiality tracking, and error is bigger, and the light concentrating times of adopting the energy device is little; Because of driving force is little, so it runs improperly, the wind resistance perturbed force is poor, therefore is difficult to so far popularize, and especially is unsuitable for using on desert, high mountain.Provided the spring dish multipotency automatic sun-tracking machine (notification number CN2103774U) that I am invented in the Chinese patent, can overcome above-mentioned shortcoming to a certain extent, but when load-carrying was big, spring friction problem on guide rod was had outstanding performance, the conversion of power speed is abundant inadequately, and tracking time can not be oversize.
Task of the present invention is to address the above problem, overcome its shortcoming, provide a kind of little at volume, under heavy and light, cost is low, load-carrying is big condition, has longer tracking time, smoothness, the speed uniform and stable of can turning round in many ways from the motion tracking solar hour angle, and can follow the tracks of the twin shaft device following the sun of solar declination.The present invention becomes the biography parts owing to be provided with non-garden gear pair work, or makes to become the biography parts with extendable lever mechanism, has characteristic, so can realize above-mentioned task.
Design of the present invention is as follows:
1, a kind of spring wheel type sun tracking device, the hour angle automatic tracking system and broad sense declination tracking unit or the carriage that comprise broad sense, described broad sense hour angle automatic tracking system is by spindle unit, bullet passes subsystem, transform subsystem and control assembly constitute, described spindle unit is made of with the main biography wheel and the snail fan of fixedlying connected on main shaft main shaft, snail fan and the worm engaging that is arranged in the declination tracking unit, described bullet pass subsystem be can storage power and when working, be provided at the subsystem that meets its required righting moment on direction and the numerical value at any time can for spindle unit, comprising spring members, described spring members is made of spring and quiet joint thereof and moving spring head and guide rod or guide pin bushing or axle, described transform subsystem is made of the transmission of speed change or transmission and one or more magnetic force device of one or more speed changes, described magnetic force device comprises the biography plate, force disk, filter wheels and one or several pin rod and the block supported by it, the power transmission wheel, force transmission shaft, the axle plate, spring, relay assembly and the arbor wheel device above constitute, described filter wheels is enclosed within on the force transmission shaft in mobilizable mode, described axle plate is fixed in force transmission shaft and parallels with it, each arbor wheel device that can move along the force disk perisporium is all by passing the plate support, one termination block of described spring, another abutting shaft plate, one or several pin rod on the described filter wheels is used for connecting the biography plate with manner, described relay assembly is between axle plate and biography plate and is fixed on the rigidity power transmission assembly that passes on the plate, it can contact separable with the axle plate, a face of described axle plate is relative with the relay assembly with described spring, another part of another side and described block or another block that is cemented on the filter wheels are relative, described power transmission wheel firmly is connected with force transmission shaft, and described force disk and biography plate are the external members of described force transmission shaft; Its special character is:
A. aforementioned bullet passes in the subsystem and also comprises into the square parts, described one-tenth square parts are can become the restoring force that spring provides righting moment and pass to become the parts that pass parts, it comprises power biography device and leads the biography device and become the square device, it passes device by power and but aforesaid moving spring head is done being connected of driving force, but in addition the aspect it pass being connected of parts work power transmission square by becoming the square device and becoming again;
B. aforementioned bullet passes and comprises also in the subsystem that change passes parts, it is to become the parts that meet the needed righting moment of spindle unit on direction and numerical value to the moment that becomes the square parts to provide that described change passes parts, it is made of intermeshing non-garden gear pair and axle thereof, perhaps be made of extendable lever mechanism: a non-garden gear in the gear pair of non-garden can contain its axle and be that fulcrum rotates with its axle center, but and with become the square device to do being connected of power transmission square, but being connected of another non-garden gear and main shaft work power transmission square;
C. but an end of described transform subsystem and above-mentioned master pass being connected of crop rotation power transmission square, but the other end and control assembly are done being connected of power transmission square;
D. described control assembly, be can to the time angle tracking system the parts controlled of running speed, it be can accept extraneous force signal can transmission can timing components and parts, or have the timing components and parts of power-assist spring assembly, or a minor clock.
2, described power biography device can be to scratch to pass device or just passed device, and scratching and passing device is flexible power transmission device, and it can be a chain, or flexible rod member or pipe fitting or plate or mechanical flexible axle in the wrong, just passing device is rigidity power transmission device, it or tooth bar, or linkage.
3, the described biography device of leading is can exert all one's strength to pass the device that device is followed required orbital motion, and it is to be used for and the interactional wheel or the roller that can rotate that axle is arranged that can limit its orbit of power biography device, or pearl or guide rail.
4, described one-tenth square device is to pass the active force of device and to produce the device that fixed point is rotated by capacity, it is the sprocket wheel that can rotate around its central pivot point, or belt pulley, or sheave, or gear, also can be the cantilever lever that rotates around its fulcrum, but it passes device with power on the one hand and does being connected of driving force, but the aspect passes being connected of parts work driving torque with becoming in addition, and lever becomes the square device also can directly fixedly connected with main shaft, and is fulcrum with the main core.
5, described power biography device for rack-and-pinion, becoming the square device must be gear, tooth bar one side and gears engaged, but being connected of driving force done with moving spring head in the aspect in addition, but gear passes being connected of parts work power transmission square with change.
6, describedly scratch the biography device as what power passed device, with the connected mode as the power transmission wheel that becomes the square device be: be to be connected with engagement system for energy with the intermeshing sprocket wheel of chain, pass between device and the power transmission wheel for can not intermeshingly scratching, all have and can continue the fixed connection place of power transmission, and have can be for scratching that the track that passes device limits so that its can and the power transmission wheel carry out continuing mutually leading of power transmission and pass device and scratch the biography device and keep in touch.
7, described change for the extendable lever formula passes parts, becoming the biography parts can unite two into one with becoming the square parts, extendable lever is fulcrum with the main shaft, firmly be connected with main shaft, lead and pass device and be made as the interior outer guide that can constitute the slit type guide groove around main shaft, power passes device and adopt the flexible power transmission device that can pass in guide groove, the flexible end of lever passes device and is in transmission connection with scratching by articulation, scratching the end and the moving spring head that pass device is in transmission connection, articulation is both can do tangential moving along non-garden guide groove, can make the connector that moves radially along extendable lever again.
Be described in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 is the front view of embodiments of the invention,
Fig. 2 is the side view of embodiments of the invention,
Referring to Fig. 1 and Fig. 2, when the present invention starts in the morning, can give certain member in carriage 31 or the transmission system, for example execute an external force cabinet to gear, making carriage 31 is east along the directional steering left opposite with arrow F among Fig. 2, make the sunlight vertical irradiation on the plane of carriage 31, so, two spring members, promptly constitute by spring 35 and guide rod 36 thereof and quiet joint 34 and moving spring head 25, spring members with being made of spring 18 and guide rod 17 thereof and quiet joint 15 and moving spring head 26 just stored energy, that is wherein each spring has produced strain.Power spring in the described spring members can be tension and compression spring or torsion spring or volute spring or air spring etc.If the length of power spring is thick than satisfying some condition, can not contain guide rod in the spring members, promptly constitute spring members by spring and quiet joint and moving spring head.
After the moment of face cancellation, each spring members is just passed to into power the square parts and is become moment.Become the square parts to pass chain 27 and the sprocket wheel 6 that becomes square device such as Fig. 2 of device such as Fig. 2 and lead the biography device such as each pinch roller 28 of Fig. 2 constitutes by power.Pinch roller should be no less than two certainly.It can be to scratch to pass device or just passed device that power passes device.Scratching and passing device is the power transmission device that flexible is bent, and as chain or mechanical flexible axle, or flexible is bent and rod member or the pipe fitting or the plate etc. of power transmission.Lead passing device energy assurance power biography device by needed orbital motion, leading and pass device can be pinch roller or nip drum or pressure pearl or guide rail etc.Power passes device and by becoming the square device power is become moment.Becoming the square device can be sprocket wheel or belt pulley or belt pulley or various power transmission wheels such as sheave or gear, also can be lever or connecting rod etc.To pass device be during as the chain 27 in the accompanying drawing when scratching, and it can be intermeshing as the sprocket wheel in the accompanying drawing 6 with it becoming the square device.When power passes device is when just having passed device such as tooth bar, becoming the square device must be gear, thereby leading and passing device is the guide rail that limits the tooth bar track, scratch pass device (comprising chain) and power transmission wheel (comprising sprocket wheel) can not intermeshing situation under, scratch and pass the junction that fixing energy driving force must be arranged between device and the power transmission wheel, to continue power transmission between the two in order making, must employing to lead the track that the biography device is scratched in the qualification of biography device accordingly.
Become the square device to pass to gained moment to become and pass parts.During angle tracking system work at that time, becoming the biography parts is constantly to provide the parts that meet its required moment to spindle unit.Become passing parts can be made of non-garden gear pair and axle thereof, has just constituted to become as the non-garden of the A gear 29 of Fig. 2 and the non-garden of B gear 33 and rotating shaft 30 to pass parts.The non-garden of B gear 33 firmly is connected with main shaft.When power when to pass device be flexible power transmission device, becoming the biography parts also can be its non-garden guide rail, this non-garden guide rail is by the inside and outside two-layer guide groove that passes the slit type that device constitutes of leading, scratching the biography device passes through in this clip slot, pairing one-tenth square device should be telescopic suspended wall lever, scratches the biography device and is connected it with the flexible end of lever with articulation, and articulation both can be done tangential moving along clip slot, can move as radial expansion along this suspended wall lever again, because guide rail all is not the garden arc.The fulcrum of this lever can directly place on the main shaft, or puts on the axle of doing to be in transmission connection with main shaft.
Spindle unit both had been subjected to from the moment loading that becomes the biography parts, was subjected to again simultaneously from declination parts and contained effect of adopting the gravitational moment of energy device thereof.Because fixing with main shaft 7 with the support plate 32 of declination axis, the snail in spindle unit fan 2 is connected.Declination axis 1 is used for declination support plate 32 and carriage 31 hinged, and the position of engagement of worm screw 3 on snail fan 2 can be regulated with declination angle.When the carriage among Fig. 2 is by east, the direction of gravitational moment is opposite with arrow F's, promptly reverse with the spring torque of main shaft 7 gained, so must suitably select bullet to pass subsystem, make the latter big more many than the former, the moving carriage of total resultant moment body and the spindle unit of these two kinds of moments are turned round from east to west, when spindle unit and carriage 31 forward position shown in Figure 2 to, gravitational moment is zero, spindle unit and carriage 31 can remain in operation under the spring torque effect, when carriage 31 and spindle unit forward suitable angle to the west to, can make the neutral surface of this angle corresponding to spring 35 and 18, this moment, carriage 31 and spindle unit continued the west commentaries on classics under the effect of gravitational moment, after this spring torque changes direction, but total resultant moment will the moving spindle unit of body and carriage and contained adopting can continue westwards to change by device, finish up to following the tracks of.
For making contained the adopting of spindle unit and carriage can follow the tracks of the sun by device, its running speed is finally wanted the control of controlled parts, and it is described in detail in detail below.The main wheel 4 that passes is in transmission connection by transform subsystem and the control assembly of doing with it to be in transmission connection 14.Transform subsystem comprises the transmission of one or more speed changes, and axle set 24 as shown is the transmission of a speed change; Transform subsystem also can be made of transmission and one or more magnetic force device of one or more speed changes.Magnetic force device can make control speed governing components and parts operate as normal under inevitable multiple interference.Described magnetic force device constitutes by comprising biography plate 19, force disk 20, filter wheels 10 and taking turns 23 by one or several pin rod 9 that it is being supported with block 13, force transmission shaft 22, axle plate 11, spring 12, relay assembly 21 and the arbor wheel device 8 above and power transmission.In the embodiment shown in fig. 1, the main wheel 4 that passes passes to total resultant moment on the power transmission wheel 23 through speed change transmission 24, power transmission wheel 23 is passed to a plate 11 to moment by the force transmission shaft that firmly connects with it, and the active force of axle plate 11 is born jointly by spring 12 and relay assembly 21.Because of block 13 is fixed in filter wheels 10, so spring 12 can be passed to filter wheels 10 to moment by block 13.Filter wheels 10 passes to control assembly inside to force signal by the external gear 16 that connects of the control assembly that is meshed with it, so that its speed is controlled.Control assembly can be timing components and parts or the timing components and parts that have the power-assist spring assembly, or adopts minor clock.The power-assist spring assembly is the assembly of a part of power is provided can for the timing components and parts.On the other hand, an axle plate 11 is passed to plate 19 to remaining power by relay assembly 21, passes the several arbor wheel devices of plate 19 by moving on the perisporium of force disk 20 then, and a wheel that promptly has spool is passed to force disk 20 and frame to this moment and offset.This is to be fixed on to pass on the plate 11 when working because of relay assembly 21, and the axle of described several arbor wheel devices 8 is all supported by passing plate 19.Be connected with one or several pin rod 9 on the filter wheels 10, filter wheels 10 flexibly connects by pin rod 9 and biography plate.Passing plate 19 can rotate with the filter wheels.The surfaces externally and internally of the perisporium of force disk 20 is the concentric garden cylinders in Quan Yuanzhou or part garden week, and force disk 20 is fixed on the frame, and the center of its center and force transmission shaft 22 overlaps.
The present invention has multiple use, and for the various middle-size and small-size energy devices of adopting, no matter whether shape is symmetrical, and weight is more less, the position of centre of gravity height, and hot spot is moving and motionless, and this device can both deliver.For example, variable as if delivering daylighting area, the heliostat that hot spot is motionless can be adjusted certain speed change transmission in the driving-chain.Make the rotating speed and the ratio of the sun of main shaft, became 1: 2 in 1: 1 during by common the tracking at the angular speed of right ascension direction.In the hour angle trace packet of various situations is contained in, angle tracking during broad sense always by name.If it is constant to deliver daylighting area, hot spot is motionless, and adopt can device, can make the ratio of the angular displacement of carriage in the corresponding period of the adjustment amount of the angular displacement of declination axis and solar declination motion, becomes 1: 2 by 1: 1 of common tracking.In the declination trace packet of various meanings was contained in, broad sense declination always by name was followed the tracks of.And for example, if will be used for solar hydrogen making or make distilled water to make senior mineral water or magnetization health care water, then its condenser and making apparatus can carry in the lump with this device.
In addition, follow the tracks of if need to realize various mode, for example if want gap to follow the tracks of, or need carriage F.F. one angle for adjustment, it is first-class maybe will to make carriage be parked in required orientation, then all can realize as long as the present invention is carried out proper handling.
The foregoing description only is a specific embodiment of the present invention, and is apparent, according to design of the present invention, also can realize the multiple specific embodiment that belongs in the protection domain of the present invention.
The present invention compared with prior art has following advantage:
1, can devices to various middle-size and small-size adopting, whether symmetrical, light of weight size, position of centre of gravity height, form no matter Spot is moving or motionless, all can deliver.
2, smooth running, the automatic tracking accuracy of hour angle is higher, declination follow the tracks of to want no and the precision height arbitrarily.
3, cost is low, and volume is little, and from heavy and light, loading capacity is big.
4, only needed starting once, the accumulated error next day of no in one day.
5, easy to install, can be installed on the area without shade such as the corner of building balcony or roof, institute limit.
6, the wind resistance interference performance is strong, even if also can use on high mountain, desert and island.
7, without conventional energy resources such as coal, electricity, oil, pollution-free, noiseless does not go out the electricity charge, and shadow is not had a power failure Ring.
8, be not subjected to rain or shine changeable weather effect.
9, can be applicable near except the two poles of the earth each latitudinal region of the whole world.
Claims (7)
1, a kind of spring wheel type sun tracking device, the hour angle automatic tracking system and broad sense declination tracking unit or the carriage that comprise broad sense, described broad sense hour angle automatic tracking system is by spindle unit, bullet passes subsystem, transform subsystem and control assembly constitute, described spindle unit is made of with the main biography wheel and the snail fan of fixedlying connected on main shaft main shaft, snail fan and the worm engaging that is arranged in the declination tracking unit, described bullet pass subsystem be can storage power and when working, be provided at the subsystem that meets its required righting moment on direction and the numerical value at any time can for spindle unit, comprising spring members, described spring members is made of spring and quiet joint thereof and moving spring head and guide rod or guide pin bushing or axle, described transform subsystem is made of the transmission of speed change or transmission and one or more magnetic force device of one or more speed changes, described magnetic force device comprises the biography plate, force disk, filter wheels and one or several pin rod and the block supported by it, the power transmission wheel, force transmission shaft, the axle plate, spring, relay assembly and the arbor wheel device above constitute, described filter wheels is enclosed within on the force transmission shaft in mobilizable mode, described axle plate is fixed in force transmission shaft and parallels with it, each arbor wheel device that can move along the force disk perisporium is all by passing the plate support, one termination block of described spring, another abutting shaft plate, one or several pin rod on the described filter wheels is used for connecting the biography plate with manner, described relay assembly is between axle plate and biography plate and is fixed on the rigidity power transmission assembly that passes on the plate, it can contact separable with the axle plate, a face of described axle plate is relative with the relay assembly with described spring, another part of another side and described block or another block that is cemented on the filter wheels are relative, described power transmission wheel firmly is connected with force transmission shaft, and described force disk and biography plate are the external members of described force transmission shaft; It is characterized in that:
A. aforementioned bullet passes in the subsystem and also comprises into the square parts, described one-tenth square parts are can become the restoring force that spring provides righting moment and pass to become the parts that pass parts, it comprises power biography device and leads the biography device and become the square device, it passes device by power and but aforesaid moving spring head is done being connected of driving force, but in addition the aspect it pass being connected of parts work power transmission square by becoming the square device and becoming again;
B. aforementioned bullet passes and comprises also in the subsystem that change passes parts, it is to become the parts that meet the needed righting moment of spindle unit on direction and numerical value to the moment that becomes the square parts to provide that described change passes parts, it is made of intermeshing non-garden gear pair and axle thereof, perhaps be made of extendable lever mechanism: a non-garden gear in the gear pair of non-garden can contain its axle and be that fulcrum rotates with its axle center, but and with become the square device to do being connected of power transmission square, but being connected of another non-garden gear and main shaft work power transmission square;
C. but an end of described transform subsystem and above-mentioned master pass being connected of crop rotation power transmission square, but the other end and control assembly are done being connected of power transmission square;
D. described control assembly, be can to the time angle tracking system the parts controlled of running speed, it be can accept extraneous force signal can transmission can timing components and parts, or have the timing components and parts of power-assist spring assembly, or a minor clock.
2, according to the described spring wheel type sun tracking device of claim 1, it is characterized in that: it can be to scratch to pass device or just passed device that described power passes device, scratching and passing device is flexible power transmission device, it can be a chain, or flexible rod member or pipe fitting or plate or mechanical flexible axle in the wrong, just passing device is rigidity power transmission device, it or tooth bar, or linkage.
3, according to the described spring wheel type sun tracking device of claim 1, it is characterized in that: the described biography device of leading is can exert all one's strength to pass the device that device is followed required orbital motion, it is to be used for passing the interactional wheel or the roller that can rotate that axle is arranged that can limit its orbit of device with power, or pearl or guide rail.
4, according to the described spring wheel type sun tracking device of claim 1, it is characterized in that: described one-tenth square device is to pass the active force of device and to produce the device that fixed point is rotated by capacity, it is the sprocket wheel that can rotate around its central pivot point, or belt pulley, or sheave, or gear, it also can be the cantilever lever that rotates around its fulcrum, but it passes device with power on the one hand and does being connected of driving force, but the aspect passes being connected of parts work driving torque with becoming in addition, lever becomes the square device also can directly fixedly connected with main shaft, and is fulcrum with the main core.
5, according to claim 2 and 4 described spring wheel type sun tracking devices, it is characterized in that: described power for rack-and-pinion passes device, and becoming the square device must be gear, tooth bar one side and gears engaged, but being connected of driving force done with moving spring head in the aspect in addition, does being connected of power transmission square but gear passes parts with change.
6, according to claim 2 and 4 described spring wheel type sun tracking devices, it is characterized in that: describedly scratch the biography device as what power passed device, with the connected mode as the power transmission wheel that becomes the square device be: be to be connected with engagement system for energy with the intermeshing sprocket wheel of chain, pass between device and the power transmission wheel for can not intermeshingly scratching, all have and can continue the fixed connection place of power transmission, and have can be for scratching that the track that passes device limits so that its can and the power transmission wheel carry out continuing mutually leading of power transmission and pass device and scratch the biography device and keep in touch.
7, according to the described spring wheel type sun tracking device of claim 1, it is characterized in that: described change for the extendable lever formula passes parts, becoming the biography parts can unite two into one with becoming the square parts, extendable lever is fulcrum with the main shaft, firmly be connected with main shaft, lead and pass device and be made as the interior outer guide that can constitute the slit type guide groove around main shaft, power passes device and adopt the flexible power transmission device that can pass in guide groove, the flexible end of lever passes device and is in transmission connection with scratching by articulation, scratching the end and the moving spring head that pass device is in transmission connection, articulation is both can do tangential moving along non-garden guide groove, can make the connector that moves radially along extendable lever again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107487 CN1065952C (en) | 1993-06-30 | 1993-06-30 | Spring wheel type sun tracking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107487 CN1065952C (en) | 1993-06-30 | 1993-06-30 | Spring wheel type sun tracking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1097058A CN1097058A (en) | 1995-01-04 |
| CN1065952C true CN1065952C (en) | 2001-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93107487 Expired - Lifetime CN1065952C (en) | 1993-06-30 | 1993-06-30 | Spring wheel type sun tracking device |
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| Country | Link |
|---|---|
| CN (1) | CN1065952C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244120A (en) * | 2011-07-15 | 2011-11-16 | 李子京 | Tracking-type solar power station support |
| CN102662409B (en) * | 2012-05-24 | 2014-04-09 | 山东大学 | Solar power generation sunlight direct-drive self-rotating mechanism with sun |
-
1993
- 1993-06-30 CN CN 93107487 patent/CN1065952C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1097058A (en) | 1995-01-04 |
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Expiration termination date: 20130630 Granted publication date: 20010516 |