CN201352020Y - Wirelessly-controlled concentrating-type collector cascaded solar energy system - Google Patents
Wirelessly-controlled concentrating-type collector cascaded solar energy system Download PDFInfo
- Publication number
- CN201352020Y CN201352020Y CNU2009200954404U CN200920095440U CN201352020Y CN 201352020 Y CN201352020 Y CN 201352020Y CN U2009200954404 U CNU2009200954404 U CN U2009200954404U CN 200920095440 U CN200920095440 U CN 200920095440U CN 201352020 Y CN201352020 Y CN 201352020Y
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- China
- Prior art keywords
- solar
- concentrating
- stay cord
- solar energy
- motor transmission
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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
Abstract
In order to overcome the defects of a solar energy heat-supplying system based on a concentrating-type collector, the utility model provides a wirelessly-controlled concentrating-type collector cascaded solar energy system. The solar energy system can realize the cascading of a plurality of concentrating-type collectors and the utilization of a single motor transmission system to accomplish pose control to deflecting angles of the concentrating-type collectors, and can be combined with wireless control to realize the pace synchronization of a plurality of motor transmission systems when radio frequency signals are within a receivable range, therefore, one set of solar tracking system can control a plurality of motor transmission systems in a certain special area. Each motor transmission system can drive a plurality of concentrating-type collectors, thereby realizing the synchronous solar tracking of numerous concentrating-type collectors and greatly improving the solar day lighting area in the condition of saving cost.
Description
Technical field
The utility model relates to solar utilization technique, specifically, is a kind of solar energy high energy heating system.
Background technology
The relative shortage of the energy and just becoming the important restraining factors of China's economy and society sustainable development with utilizing environmental pollution inefficient and that caused in the process in energy development.With regard to the whole nation, the urgent need development cheaply, new technology is utilized new forms of energy easily at present, and to adapt to the needs of different regions, energy savings reduces and pollutes.New forms of energy to meet simultaneously two conditions one be contain abundant, can exhausted two be safety, clean, can not threaten human and destroy environment.Scientific research shows that it is very huge to be radiated at tellurian solar energy, is radiated at tellurian solar energy in about 40 minutes, just is enough to the consumption for 1 year energy of global human.We can say that solar energy is really inexhaustible, the nexhaustible energy.And solar electrical energy generation is definitely clean, does not produce public hazards, meets the choice criteria of new forms of energy under the current global energy crisis fully.
Solar energy be applied in developed country developed comparative maturity, China more should carry out solar energy use in daily life energetically so that save fossil fuel, conservation of power satisfy produce normally, life requirement.The solar energy utilization is compared with electric energy, nuclear energy, gas utilization etc., though shared share is not high, it is most economical material benefit, also is the best solution that the China and even the world face energy crisis.
China is vast in territory, is located in the abundant subtropical zone of north latitude sunlight.The solar radiation quantity in most of area is all bigger, and the annual solar radiation total amount that receives of land surface is 3.3 * 10
3～8.4 * 10
6KJ/m
2Between the ga, be equivalent to 2.4 * 10
4Hundred million tons of standard coals belong to one of abundant country of solar energy resources.National total area more than 2/3 area year sunshine time greater than 2000 hours.Some the area as the Northwest, Tibet region sunshine-duration above 3000 hours.So abundant solar energy resources provides good condition to development and use solar energy.
Solar energy system is divided into flat plate collector and focus solar collector from the heat collector angle.The heat collector that the endotherm area of flat plate collector absorption solar radiant energy equates with the area of gathering solar radiation.When endotherm area when gathering the area of solar radiation, be called focus solar collector.Compare with focus solar collector, advantage such as that flat plate collector has is simple in structure, can fixedly mount, not need to follow the tracks of the sun, fault is few, maintenance management is convenient and cost is lower has been widely used in solar water heating system.But because of it does not possess light-focusing function, heat flow density is lower, so operating temperature is limited to below 100 ℃.The flat plate collector of being used widely at present generally can only satisfy people's bathing requirement, belongs to the low temperature heat utilization of the sun, and high-temperature-hot-water on the commercial Application and steam etc. can't be provided.Simultaneously, the solar thermal collection system of cold operation is unfavorable for accumulation of heat, greatly reduces the solar energy fraction of heating phase.
In order to satisfy people's requirement higher to the solar energy utilization, make the more effective absorption solar radiant energy of solar thermal collector and obtain high temperature heat, heat collector must adopt technology such as focusing, tracking.
Existing focus solar collector must adopt the solar tracking technology, but the cost of solar tracking system is comparatively expensive, and this will restrict the large-area applications of the focus solar collector of a plurality of no mechanical annexations in closely.On the other hand, the mechanical device of existing focus solar collector is comparatively complicated, is unfavorable for realizing the cascade control of a plurality of focus solar collectors.The utility model proposes a kind of focus solar collector cascade connection type solar energy system of controlled in wireless at the defective of existing solar energy heat distribution system based on focus solar collector.With economy and environmental benefit is target, makes every effort to make full use of this regenerative resource of solar energy, thereby the protection environment, reduce to pollute, and provides healthy, is suitable for, solar energy heat distribution system efficiently.
Summary of the invention
In order to overcome the defective that has now based on the solar energy heat distribution system of focus solar collector, the utility model proposes a kind of focus solar collector cascade connection type solar energy system of controlled in wireless, this system can realize the cascade of a plurality of focus solar collectors, realization utilizes single motor transmission system to finish attitude control to the deflection angle of a plurality of focus solar collectors, and combining wireless control but to be implemented in the step of a plurality of motor transmission systems of radiofrequency signal in range of receiving synchronous, thereby be implemented in the certain space zone control of a cover solar tracking system to a plurality of motor transmission systems, each motor transmission system can drive a plurality of focus solar collectors again, realize the synchronous solar tracking of a large amount of focus solar collectors, under the condition of saving cost, improve sun daylighting area greatly.
The technical scheme that its technical problem that solves the utility model adopts is: this system is made up of solar tracking system, radiofrequency signal control system, motor transmission system, solar thermal collection system, thermal energy exchange system.System block diagram as shown in Figure 1.
Wherein solar tracking system is mainly to be made up of light intensity sensing device, central controller.Its light intensity sensing device is arranged on the utility model---in a kind of focus solar collector cascade connection type solar energy system of controlled in wireless on any focus solar collector.Light intensity sensing device below is provided with a baffle plate, stop that the emission light from the parabolic reflective surface disturbs it, the light intensity sensing device can detect the sun irradiation angle of any time, and detection signal transferred to central controller, central controller is finished the judgement to this moment sun irradiation angle, and the step motor control signal with stepper motor in the motor transmission system transfers to the radiofrequency signal control system then.
The radiofrequency signal control system mainly is made up of an emission of radio frequency signals device and a plurality of radio frequency signal receiver.Its major function of emission of radio frequency signals device is exactly a step motor control signal that central controller is provided by coded modulation in the twireless radio-frequency communication mode with a plurality of radio frequency signal receiver of emission of radio frequency signals to this radiofrequency signal effective coverage.Radio frequency signal receiver has been decoded after this radiofrequency signal and the step motor control signal to be sent to stepper motor in the motor transmission system.Finish stepping control to stepper motor.
Motor transmission system mainly is made up of stepper motor, rope hauling device, extension spring device, tumbler.As Fig. 2, shown in Figure 3, rope hauling device comprises main stay cord and more than one auxilliary stay cord, each auxilliary stay cord one end is connected on the main stay cord by buckle, the other end is connected a side of the main backstop of solar thermal collection system, the opposite side of main backstop is connected on the mechanical fixation face by extension spring, and the process that extension spring stretches gradually promptly is the process that the stay cord pulling force strengthens gradually.Stepper motor, stretches and shrinks control main stay cord under the control of solar tracking system by the radiofrequency signal control system, and then realizes the stretching of each auxilliary stay cord and shrink control.By the stroke of control stay cord and then the deflection angle of control solar thermal collection system.By the attitude of the rotational angle of a plurality of focus solar collectors being controlled with the final realization of upper type.
Solar thermal collection system promptly is a focus solar collector.Mainly form by main backstop, parabolic reflective surface, thermal-collecting tube.The parabolic reflective surface is fitted on the main backstop, and thermal-collecting tube is arranged on the paraboloidal focal line.
The thermal energy exchange system is mainly by thermal-collecting tube heat-exchange device, high-temperature pump, indoor heat-storing device, indoor heat-exchange device.
When system moves, solar tracking system passes to motor transmission system with the step motor control signal of stepper motor by the radiofrequency signal control system, and the attitude control of finishing the rotational angle of a plurality of focus solar collectors is rotated in the stepping of the stepper motor in the motor transmission system.Realize that each focus solar collector is over against the sun.Reflect the focusing of finishing sunray by the parabolic reflective surface.Finish reception by being arranged on thermal-collecting tube on the focal line then to solar radiant energy.Final under the control of thermal energy exchange system with the indoor heat-storing device of heat transferred, realize indoor heating.
Principal character of the present utility model is: 1. the step motor control signal of the solar tracking system tracking sun that will draw according to its judgement is controlled the stepper motor at least one motor transmission system by the twireless radio-frequency communication mode, by stepper motor rope hauling device is stretched and shrinks control and then finish attitude control to the deflection angle of at least one solar thermal collection system.2. have at least an auxilliary stay cord to be connected in the motor transmission system with main stay cord, auxilliary stay cord one end is connected on the main stay cord by buckle between main stay cord, auxilliary stay cord, the other end is connected a side of the main backstop of solar thermal collection system, and the opposite side of main backstop is connected on the mechanical fixation face by extension spring.
The beneficial effects of the utility model are: be implemented in the interior a plurality of motor transmission systems in big zone and drive the real-time solar tracking of a plurality of focus solar collectors down, improve sun daylighting area greatly under the condition of limited cost, improved received energy significantly.For the application of solar energy in heating system provides new technological means.
Description of drawings
Fig. 1: a kind of system block diagram of focus solar collector cascade connection type solar energy system of controlled in wireless.
The a plurality of radio frequency signal receiver of one of them emission of radio frequency signals device wireless connections, a radio frequency signal receiver connects a stepper motor, and a step motor control is overlapped solar thermal collection system more.
Fig. 2: frame for movement schematic diagram.
Among the figure 1: parabolic reflective surface, 2: thermal-collecting tube, 3: the main backstop bearing, 4: main backstop bearing, 5: main stay cord, 6: auxilliary stay cord, 7: buckle between main stay cord, auxilliary stay cord, 8: extension spring, 9: the mechanical fixation face, 10: radio frequency signal receiver, 11: stepper motor, 12: coiling main shaft, 13: coiling main shaft rigid bearing, 14: radiofrequency signal reception antenna, 15: fixed pulley.
Fig. 3: a kind of focus solar collector cascade connection type solar energy system organigram of controlled in wireless.
Among the figure 1: parabolic reflective surface (a plurality of), 10: radio frequency signal receiver (a plurality of), 11: stepper motor (a plurality of), 12: coiling main shaft (a plurality of), 13: coiling main shaft rigid bearing (a plurality of), 14: radiofrequency signal reception antenna (a plurality of), 16: light intensity sensing device, 17: plate washer, 18: central controller, 19: emission of radio frequency signals device, 20: penetrate step frequency signal transmitting antenna.
The specific embodiment
For the utility model is described better, below in conjunction with describing in detail of the drawings and specific embodiments.
Shown in Figure of description, light intensity sensing device (16) is placed in a kind of focus solar collector cascade connection type solar energy system of controlled in wireless on any focus solar collector.Finish detection to sun irradiation angle, and detection signal is inputed to central controller (18) carry out computing and judgement, central controller (18) is sent to each radio frequency signal receiver (10) with the step motor control signal that computing draws by emission of radio frequency signals device (19), each radio frequency signal receiver (10) changes into the step motor control signal with radiofrequency signal and passes to stepper motor (11), stepper motor (11) is controlled the stroke of main stay cord (5) by rotation coiling main shaft (12), and then control the stroke of each auxilliary stay cord (6) simultaneously, under the cooperation of extension spring (8), finish attitude control to the deflection angle of solar thermal collection system.By the adjustment of angle, make solar thermal collection system over against the sun.Sunshine will converge on the thermal-collecting tube (2) that is arranged on focus by the emission of parabolic reflective surface (1), finish thermal-arrest to sunshine by thermal-collecting tube (2).Finally pumping heat-conducting medium by high-temperature pump is transformed into indoor heat-storing device with the heat in the thermal-collecting tube, finishes by indoor heat-exchange device heating equipment is heated.
Claims (2)
1. the focus solar collector cascade connection type solar energy system of a controlled in wireless, comprise solar tracking system, radiofrequency signal control system, motor transmission system, solar thermal collection system, thermal energy exchange system, it is characterized in that: the step motor control signal of the tracking sun that solar tracking system will draw according to its judgement is controlled the stepper motor at least one motor transmission system by the twireless radio-frequency communication mode, rope hauling device is stretched and is shunk control and then finishes attitude control to the deflection angle of at least one solar thermal collection system by stepper motor.
2. the focus solar collector cascade connection type solar energy system of a kind of controlled in wireless according to claim 1, it is characterized in that: have at least an auxilliary stay cord to be connected in the motor transmission system with main stay cord, auxilliary stay cord one end is connected on the main stay cord by buckle between main stay cord, auxilliary stay cord, the other end is connected a side of the main backstop of solar thermal collection system, and the opposite side of main backstop is connected to the mechanical fixation face by extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200954404U CN201352020Y (en) | 2009-01-23 | 2009-01-23 | Wirelessly-controlled concentrating-type collector cascaded solar energy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200954404U CN201352020Y (en) | 2009-01-23 | 2009-01-23 | Wirelessly-controlled concentrating-type collector cascaded solar energy system |
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| Publication Number | Publication Date |
|---|---|
| CN201352020Y true CN201352020Y (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200954404U Expired - Fee Related CN201352020Y (en) | 2009-01-23 | 2009-01-23 | Wirelessly-controlled concentrating-type collector cascaded solar energy system |
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| CN (1) | CN201352020Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408916A (en) * | 2014-09-16 | 2017-11-28 | 太阳能公司 | Integrated form tracker controller |
-
2009
- 2009-01-23 CN CNU2009200954404U patent/CN201352020Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408916A (en) * | 2014-09-16 | 2017-11-28 | 太阳能公司 | Integrated form tracker controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20110123 |