CN102032693B - Safety protection device for solar heat exchanging system - Google Patents
Safety protection device for solar heat exchanging system Download PDFInfo
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- CN102032693B CN102032693B CN2010106142671A CN201010614267A CN102032693B CN 102032693 B CN102032693 B CN 102032693B CN 2010106142671 A CN2010106142671 A CN 2010106142671A CN 201010614267 A CN201010614267 A CN 201010614267A CN 102032693 B CN102032693 B CN 102032693B
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- slide block
- pipe
- header
- solar
- solar heat
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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
Abstract
The invention discloses a safety protection device for a solar heat exchanging system, which comprises circular tubes and rotary mechanisms arranged coaxially outside a plurality of vacuum heat connecting tubes one by one. One half surface of the circular tube from top to bottom is transparent while the other half from top to bottom is embellished with colours. Both ends of the circular tube contact the bottom of a header and the upper part of a bracket rotatably. The rotary mechanism comprises gears which are same in quantity with the circular tubes, a slide block, a slide block driving mechanism and a machine-electricity controller. The gears and circular tubes are integrally formed and arranged at the upper parts of the circular tubes. The surface of the slide block opposite to the gear is provided with teeth which can be meshed with the gears. The slide block is installed on the front end surface of the header via the slide block driving mechanism so that the slide block moves to mesh with the circular tubes in sequence and drive the circular tubes to rotate at an effective angle. The safety protection device can reduce or close the vacuum tube which absorbs the solar energy according to the solar radiation intensity and temperature of the system.
Description
Technical field
The present invention relates to a kind of safety guard of solar heat exchange system.
Technical background
Solar energy is inexhaustible green energy resource.Utilize the hot water and the heating system of solar energy and average family, commerce and enterprise as much as possible, can greatly reduce use, to reach energy-saving and emission-reduction and the target that reduces global greenhouse effect traditional energy.
Vacuum heat collection pipe is a kind of high efficiency solar thermal energy heat collector, and high absorptance of its sunshine and low reflectivity coating can fully absorb solar radiation heat energy.
The solar water heater of present domestic use mainly is " non-pressure-bearing " system; Be that water tank is logical to atmosphere; Leak water in the vacuum tube; Through " thermal siphon " principle solar heat is sent to the storage tank that is installed on the heat collecting vacuum pipe, water tank and heat collector all are placed on the roof, and the hot water of use leans on gravity.This type water heater is because water tank is logical to atmosphere, so there be not so-called " problems of excessive heat ".But to adopting the solar thermal collection system of " sealing pressure-bearing type ", the design of heat collector is because of considering to let system that enough thermal energy were also arranged in winter, and then such collector system will produce " problems of excessive heat " in summer; Promptly several times of the energy of sun in summer to the solar energy in winter; The heat that vacuum heat collection pipe absorbs will exceed the hot consumption demand (or heat storage capacity) of system, if let heat collector stop recirculated cooling water for a long time, then heat collector will damage; While great amount of high-temperature hot water; Make that temperature and pressure all increases in the storage tank, whole solar energy system is under the high temperature for a long time, has potential safety hazard.
The solar water heating system problems of excessive heat is to guarantee that solar energy system uses one of major issue to be solved safely.At present to the pressure-bearing type solar water heater problems of excessive heat truly feasible solution of neither one still, several kinds of settling modes below the domestic main employing: increase temperature in water tank capacity, the control attemperater, increase heat dissipation equipment, stop heat collector circulating fluid circulation etc.Take to concentrate method for excessive heating protection in the external report, like solar thermal collector a prism hyaline layer is installed, transparent fully under the normal working temperature, water temperature then flashes back the sunlight after surpassing limiting temperature fully, thereby controls the heat collector temperature automatically, and it is overheated to prevent.Another kind of set inside reflection unit at heat collector can reflect illumination according to a certain percentage, prevents system overheat.Also having a kind of is the unlatching that a constant temperature regulator control heat pump is installed on heat collector, and system temperature is crossed low or too high, and constant temperature regulator then leaves accordingly and closes, the opening and closing of control heat pump.These methods all exist cost high, the problem of poor practicability.
In sum, best, or the method that the most directly solves " solar thermal system is overheated summer " problem be " unlatchings " and " covering " sunshine, realization makes the ability of system's reception sunlight controlled according to the height of sunlight strength and system temperature.
Summary of the invention
The present invention has overcome deficiency of the prior art; A kind of safety guard of solar heat exchange system is provided; It can realize the temperature conditions according to sunlight strength and system, reduces or closes the size that vacuum tube absorbs solar energy, and reaches the problems of excessive heat that solves solar water heating system.
Realize that the above-mentioned purpose technical scheme is: a kind of safety guard of solar heat exchange system; Said solar water heating system comprises header, contain the heat collector and the collector bracket of many parallel and spaced apart vacuum heat collection pipes; The two ends of said header are respectively water inlet end and water side; The lower end of said vacuum heat collection pipe is a blind end, and said header lower end is inserted in the upper end of said vacuum heat collection pipe.
The said heat control device of crossing comprises the rotating mechanism that is sleeved on the outer pipe of said vacuum heat collection pipe one by one coaxially and is used for said pipe rotation, wherein:
Said pipe half surface from top to bottom is transparent, and second half surface from top to bottom is embroidered with color, and the two ends of pipe are contacted with the bottom of said header and the top of said collector bracket respectively rotationally;
Said rotating mechanism comprises the gear identical with said pipe quantity, a slide block, a slide block driving mechanism and a machine-electric controller, and said gear is located at the top of every pipe one by one; The one side that said slide block is relative with said gear be provided with can with the teeth of said gears engaged; This slide block is installed on the front end face of said header through said slide block driving mechanism; Make moving of this slide block can be successively with every pipe on gears engaged, the moving of said slide block can drive every pipe and rotate an effective angle.
The safety guard of above-mentioned solar heat exchange system; Wherein, Said slide block driving mechanism comprise one be installed in the front end face of said header one drive motors, be connected the driven sprocket and the wrapped guide rail chain on drive sprocket and driven sprocket of other end that drive sprocket, on this drive motors shaft is installed in the front end face of said header, said slide block is installed on the said guide rail chain; Said drive motors is a servomotor and by the control of said machine-electric controller; Said machine-electric controller receives control signal, makes said slide block driving mechanism operation.
The safety guard of above-mentioned solar heat exchange system, wherein, insert in the corresponding hole, said header bottom through the protection plastic tube upper end of said vacuum heat collection pipe.
The safety guard of above-mentioned solar heat exchange system, wherein, said pipe is processed the unscreened PC material of sunray by high strength, transparent part.
The safety guard of above-mentioned solar heat exchange system, wherein, said gear and said pipe are one-body molded.
The technical scheme of the safety guard of solar heat exchange system of the present invention; Temperature according to sunlight strength and solar water heating system; Employing covers single, a plurality of vacuum heat collection pipes with sunshine; Or, absorb sunshine to reduce or to close vacuum tube with whole heat collector opening and closing, reach the problems of excessive heat that solves solar water heating system.Technical scheme of the present invention is easy in the solar water heating system of routine, reequip, and can stablize the discharging that heat energy is provided, reduces superheated water, ensures the safe handling of solar thermal applications system, reduces the waste of water resource.
Description of drawings
Fig. 1 is the structural representation of the safety guard of solar heat exchange system of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is the fundamental diagram of the safety guard of solar heat exchange system of the present invention.
The specific embodiment
In order to understand technical scheme of the present invention better, below through concrete embodiment and combine accompanying drawing at length to explain:
See also Fig. 1 to Fig. 4, the pressure-bearing type solar heat water system comprises header 2, heat collector 3, collector bracket 4 and machine-electric controller (not shown).
Parallel and spaced apart vacuum heat collection pipe 30 constitutes heat collector 3 by many, and the lower end of vacuum heat collection pipe 30 is a blind end, and insert in the corresponding hole, bottom of header 2 through the protection plastic tube upper end of vacuum heat collection pipe 30.
The safety guard of solar heat exchange system of the present invention comprises many pipes 31 and rotating mechanism.Wherein:
Rotating mechanism is used to control the rotation of pipe 31; This rotating mechanism comprises the gear 51 identical with pipe 31 quantity, is installed in slide block 52, slide block driving mechanism and machine-electric controller on the guide rail chain; Wherein, gear 51 is in the pipe 31 integrally formed tops that are in pipe; Slide block 52 with gear 51 relative one sides be provided with can with the teeth of gear 51 engagement; Slide block 52 is installed on the front end face of header 2 through the slide block driving mechanism; Through moving of slide block 52 can be successively with every pipe 31 on gear 51 engagements, and make every pipe 31 rotate an effective angle;
The slide block driving mechanism comprise one be installed in header 2 front end faces one drive motors 53, be connected a driven sprocket 55 and the wrapped guide rail chain 56 on drive sprocket 54 and driven sprocket 55 that drive sprocket 54, on these drive motors 53 shafts is installed in the other end of header 2 front end faces; Slide block 52 is installed on the guide rail chain 56;
Machine-electric controller can receive control signal rotates drive motors 53, and then drive sprocket 54 is rotated, and driving guide rail chain 56 drives slide block 52 and moves; Driven gear 51 rotates successively, pipe 31 is rotated, when its transparent demifacet is faced sunlight; Vacuum heat collection pipe 30 receives solar energy; When its opaque demifacet is faced sunlight, then block sunray, make heat collector 3 not receive solar energy.Control the quantity of the vacuum heat collection pipe that is blocked 30 of a heat collector 3 or a collecting system, then can control the reception size of solar energy, the scope that is requiring with the temperature of control system.
The operation principle of the safety guard of solar heat exchange system of the present invention is:
When winter, solar energy was more weak; Half the dark surface that is embroidered with that is sleeved on the pipe 31 outside the vacuum heat collection pipe 30 goes in the back side of heat collector 3; And pipe 31 second half transparent positions are towards sunshine; So that vacuum heat collection pipe 30 fully absorbs sunshine, be equivalent to all " unlatching " heat collectors 3.When summer, the sunlight energy was strong especially, machine-electric controller control slide block driving mechanism work made the slide block 52 that is positioned on the guide rail chain 56 along with moving; Gear 51 engagements when moving to the position of pipe 31 and on the pipe 31; The slide block driving mechanism drives slide block 52 and moves also driven gear 51 rotations, realizes the rotation of pipe 31, makes half the dark surface that is embroidered with of pipe 31 forward the one side towards sunshine to; To cover sunshine; Make single or a plurality of vacuum heat collection pipes 30 can not absorb sunshine, thereby the work of " closing " partial vacuum thermal-collecting tube 30 reach the problem that solves solar water heating system summer " overheated " fully.
Above embodiment specifies the present invention, and those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details in the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (5)
1. the safety guard of a solar heat exchange system; Said solar heat exchange system comprises header, contain the heat collector and the collector bracket of many parallel and spaced apart vacuum heat collection pipes; The two ends of said header are respectively water inlet end and water side, and the lower end of said vacuum heat collection pipe is a blind end, and said header lower end is inserted in the upper end of said vacuum heat collection pipe; It is characterized in that
Said safety guard comprises the rotating mechanism that is sleeved on the outer pipe of said vacuum heat collection pipe one by one coaxially and is used for said pipe rotation,
Said pipe half surface from top to bottom is transparent, and second half surface from top to bottom is embroidered with color, and the two ends of pipe are contacted with the bottom of said header and the top of said collector bracket respectively rotationally;
Said rotating mechanism comprises the gear identical with said pipe quantity, a slide block, a slide block driving mechanism and a machine-electric controller, and said gear is located at the top of every pipe one by one; The one side that said slide block is relative with said gear be provided with can with the teeth of said gears engaged; This slide block is installed on the front end face of said header through said slide block driving mechanism; Make moving of this slide block can be successively with every pipe on gears engaged, the moving of said slide block can drive every pipe and rotate an effective angle.
2. the safety guard of solar heat exchange system according to claim 1; It is characterized in that, said slide block driving mechanism comprise one be installed in the front end face of said header one drive motors, be connected the driven sprocket and the wrapped guide rail chain on drive sprocket and driven sprocket of other end that drive sprocket, on this drive motors shaft is installed in the front end face of said header;
Said slide block is installed on the said guide rail chain;
Said drive motors is a servomotor and by the control of said machine-electric controller;
Said machine-electric controller receives control signal, makes said slide block driving mechanism operation.
3. the safety guard of solar heat exchange system according to claim 1 is characterized in that, insert in the corresponding hole, said header bottom through the protection plastic tube upper end of said vacuum heat collection pipe.
4. the safety guard of solar heat exchange system according to claim 1 is characterized in that, said pipe is processed the unscreened PC material of sunray by high strength, transparent part.
5. the safety guard of solar heat exchange system according to claim 1 is characterized in that, said gear and said pipe are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106142671A CN102032693B (en) | 2010-12-30 | 2010-12-30 | Safety protection device for solar heat exchanging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106142671A CN102032693B (en) | 2010-12-30 | 2010-12-30 | Safety protection device for solar heat exchanging system |
Publications (2)
| Publication Number | Publication Date |
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| CN102032693A CN102032693A (en) | 2011-04-27 |
| CN102032693B true CN102032693B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106142671A Expired - Fee Related CN102032693B (en) | 2010-12-30 | 2010-12-30 | Safety protection device for solar heat exchanging system |
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| CN (1) | CN102032693B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524526B (en) * | 2016-12-20 | 2019-09-27 | 嘉兴恒日太阳能科技有限公司 | A kind of solar water heater |
| CN107965926B (en) * | 2017-12-22 | 2024-01-30 | 武汉博茗低碳产业股份有限公司 | Solar heat collection flat plate with heat storage function |
| CN110207423A (en) * | 2019-06-14 | 2019-09-06 | 冯卓林 | A kind of air energy unit of solar energy auxiliary |
| CN112833560B (en) * | 2021-01-20 | 2023-02-28 | 扬州市喜来太阳能科技有限公司 | Seasonal light-gathering heat collector for heating in winter |
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| CN1924621A (en) * | 2005-09-02 | 2007-03-07 | 潘定国 | Micro-lens type sun light reflector and its adjusting control device |
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| CN101619898A (en) * | 2008-06-30 | 2010-01-06 | 北京市太阳能研究所有限公司 | Temperature control device for electrically rotationally covering evacuated solar collector tube of household solar water heating system |
| CN101749877A (en) * | 2009-12-31 | 2010-06-23 | 无锡环特太阳能科技有限公司 | Anti-overheating device for gear transmission turnover-type solar water heater |
| CN201909464U (en) * | 2010-12-30 | 2011-07-27 | 上海极特实业有限公司 | Overheating controller of solar water-heating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6073248A (en) * | 1983-09-30 | 1985-04-25 | Toshiba Corp | Solar position tracking device |
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2010
- 2010-12-30 CN CN2010106142671A patent/CN102032693B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN1924621A (en) * | 2005-09-02 | 2007-03-07 | 潘定国 | Micro-lens type sun light reflector and its adjusting control device |
| CN201187900Y (en) * | 2008-03-27 | 2009-01-28 | 北京市太阳能研究所有限公司 | Reflexion-reducing solar vacuum tube collector |
| CN201251307Y (en) * | 2008-06-30 | 2009-06-03 | 北京市太阳能研究所有限公司 | Power-driven brattice covering vacuum thermal-collecting tube temperature control device of a domestic solar energy water heating system |
| CN101619898A (en) * | 2008-06-30 | 2010-01-06 | 北京市太阳能研究所有限公司 | Temperature control device for electrically rotationally covering evacuated solar collector tube of household solar water heating system |
| CN101749877A (en) * | 2009-12-31 | 2010-06-23 | 无锡环特太阳能科技有限公司 | Anti-overheating device for gear transmission turnover-type solar water heater |
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Non-Patent Citations (1)
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| CN102032693A (en) | 2011-04-27 |
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Granted publication date: 20121128 Termination date: 20161230 |