CN101900445B - Temperature control mechanism for photothermal conversion glass tube of solar water heater - Google Patents
Temperature control mechanism for photothermal conversion glass tube of solar water heater Download PDFInfo
- Publication number
- CN101900445B CN101900445B CN2010102367799A CN201010236779A CN101900445B CN 101900445 B CN101900445 B CN 101900445B CN 2010102367799 A CN2010102367799 A CN 2010102367799A CN 201010236779 A CN201010236779 A CN 201010236779A CN 101900445 B CN101900445 B CN 101900445B
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- China
- Prior art keywords
- valve seat
- glass tube
- solar water
- light
- valve block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 relates to a temperature control mechanism for a photothermal conversion glass tube of a solar water heater, which belongs to the field of the solar water heaters. The solar water heater comprises the photothermal conversion glass tube, the temperature control mechanical for the photothermal conversion glass tube comprises a valve seat, a temperature sensing deformation sheet, a valve plate, a support and an elastic part, wherein the valve seat comprises a valve plate cavity, a group of valve seat water outlet holes and a temperature sensing deformation sheet accommodating hole with a position-limiting step are arranged on the surface of the valve seat; the temperature sensing deformation sheet is accommodated in the temperature sensing deformation sheet and matched with the position-limiting step; the valve plate is accommodated in the valve plate cavity and in adhesion and contact with the temperature sensing deformation sheet, and a group of valve plate water outlet holes are arranged on the valve plate; the support is positioned below the valve plate, two ends of the support are fixed with the valve seat, and an elastic part bearing seat is arranged at the middle part of the support; and the elastic part is arranged on the elastic part bearing seat and in contact with the center of the valve plate. The temperature control mechanism can avoid the deformation and even the burst of an inner container due to excessively high temperature; when the temperature is low, the valve plate is pushed downwards due to the deformation of the temperature sensing deformation sheet, thereby leading the valve plate to release the blockage of the valve seat water outlet holes.
Description
Technical field
The invention belongs to technical field of solar water heaters, be specifically related to the temperature control device that a kind of light-heat conversion glass tube of solar water heater is used.
Background technology
The enhancing of Along with people's awareness of saving energy and environmental protection consciousness; Economic and practical solar water heater more and more is unit and family's acceptance and the use that comprises industrial and mining enterprises, office, dining room, hotel, wineshop, school and breed industry or the like, in the Chinese patent document, can be seen in the technology report of relevant solar water heater in a large number.As; Granted publication CN1027661C has recommended a kind of anti-frozen solar energy water heater; To go up lower collector pipe and adopt elastomeric material such as rubber to process, owing to freeze from thermal-arrest bar middle part to two ends up and down when freezing, again because last lower collector pipe adopts the elastomeric material making; Thereby can promptly can not freeze damage aforesaid light-heat conversion glass tube (also claiming glass tube with vacuum) by freezing heat collector, thereby reach antifreeze purpose.And for example, CN1399110A has introduced a kind of integral solar water heater made of plastic, has environmental protection and energy saving and the strong point that improves the thermal efficiency.Also as; CN2879040Y has disclosed a kind of formula of adding a cover and has prevented that hail solar water heater and CN2886430Y provide a kind of anti-hail solar water heater (these two patents are proposed by same applicant) that has removable cover, can play the effect that the light-heat conversion glass tube of avoiding solar water heater is destroyed by natural cause.And for example, CN101149192A discloses a kind of light-heat conversion glass tube, and this patent application scheme can play the effect that prevents that light-heat conversion glass tube from undermined by hail equally.More as, CN101650081A has introduced a kind of solar water heater that can obtain the hot water of different quality simultaneously, this technical scheme can embody its technique effect of being put down in writing at Instructions Page 3 the 9th to 12 row ideally.In a word, the patent technology information of relevant solar water heater hundreds and thousands ofly is unequal to giving an example because of reaching.
Known; As time goes on the variation of matter has taken place in the used material of the inner bag of the storage tank of solar water heater; The previous stainless steel material that uses usually is welded, and the result it is found that when under the condition of the unsatisfactory regional or title water quality inferiority of water quality, using, just exposes leakage phenomenon behind the interior gallbladder channel 3-5 of the storage tank of stainless steel; Because inner bag is wrapped up by the heat-insulation layer of outside; Therefore and outside heat-insulation layer, also be provided with outer casing, can't implement to repair to inner bag and more can not change and can only to abandon old cloth new, cause user's use cost to increase.Especially, in case leakage phenomenon occurs, can cause the waste at water source on the one hand; Influence providing of hot water on the other hand; The water that leaks out from inner bag on the one hand can influence environment again, because can influence the drying of surrounding environment.So, in recent years, substituted stainless steel inner container by engineering plastics.Facts have proved, the inner bag of engineering plastics can eliminate fully stainless steel inner container because of the time hidden danger of leaking for a long time.Then; People find again; When situation that lack of water particularly cuts off the water supply appears in the inner bag of the storage tank of solar water heater (this situation is commonly referred to do and shines), the temperature in the inner bag can reach more than 150 ℃, and it is that the inner bag of plastics deforms that this temperature is enough to make material; Thereby the initiation seepage, slight explosion phenomenon can appear in inner bag when serious.Therefore, no matter be stainless inner bag, or the plastics inner bag of material both had his own strong points, but also its fraud was arranged respectively.Should; As long as reasonably avoid the too high phenomenon of the temperature of plastic material inner bag to take place, so just reflect the strong point that is superior to stainless steel inner container, so-called strong point is promptly to the adaptable advantage of source quality; More particularly, can not cause seepage because of water quality inferiority.
In prior art; Comprise the patent documentation that the applicant mentions in the above and do not lift in the patent and non-patent literature that reaches about solar water heater; All do not find and help to prevent that plastics inner bag Yin Wendu is too high and produce the teachings that morphotropism is leaked; The applicant has passed through long-term exploration and has repaid examination for this reason, has found the way of dealing with problems, and the technical scheme that will introduce below produces under this background.
Summary of the invention
Task of the present invention is to provide a kind of and can stops High Temperature Gas in the light-heat conversion glass tube to get into the inner bag of plastic material effectively and use the temperature control device that the light-heat conversion glass tube of the solar water heater of avoiding too high appearance distortion of inner bag Yin Wendu and even explosion phenomenon is used.
Task of the present invention is accomplished like this; The temperature control device that a kind of light-heat conversion glass tube of solar water heater is used; Described solar water heater comprises light-heat conversion glass tube; The temperature control device that described light-heat conversion glass tube is used comprises that one is used to be configured to the valve seat at accent position of the tube chamber of said light-heat conversion glass tube, and this valve seat has a valve block chamber, and offers the temperature distortion sheet accommodation hole that one group of valve seat apopore and has limited step at the spaced surface of valve seat; Wherein: temperature distortion sheet accommodation hole is positioned at the central authorities on the surface of valve seat, and one group of valve seat apopore is offered around the circumferentially-spaced of temperature distortion sheet accommodation hole; One temperature distortion sheet is contained in the said temperature distortion sheet accommodation hole and with described limited step and matches; One valve block is contained in the described valve block chamber, and this valve block and said temperature distortion sheet paste and touch, and spaced apartly on valve block is provided with one group of valve block apopore; One support, this support is positioned at the below of said valve block, and the two ends of support and said valve seat fix, and middle part and have an elastic component supporting base towards a side of said valve block; One elastic component is arranged on the said elastic component supporting base, and contacts with the central authorities of said valve block.
In a concrete embodiment of the present invention, the position of described one group of valve block apopore is to stagger with the position of said valve seat apopore.
In another concrete embodiment of the present invention; Offer the pair of brackets connecting hole on the described valve seat; This is to support connecting hole on valve seat apart 180 °; Constitute a pair of chamber of stepping down in the edge of described valve block, this is to stepping down chamber on valve block apart 180 °, and corresponding with described support connecting hole.
In another concrete embodiment of the present invention, the two ends of said support respectively offer a fastener hole, on each fastener hole, are equipped with a securing member, and securing member is fixed by way of described chamber and the described support connecting hole of stepping down.
In another concrete embodiment of the present invention, the described chamber of stepping down is groove or hole.
Also have among the concrete embodiment of the present invention, described securing member is screw or rivet.
more of the present invention and among concrete embodiment; The central authorities of described valve block and constitute elastic component supporting cavity towards a side of said elastic component; And constitute cavity compensation flange back to a side of elastic component supporting cavity; Cavity compensation flange contacts with the central authorities of said temperature distortion sheet, and described elastic component is insinuated in the elastic component supporting cavity.
In of the present invention and then concrete embodiment, described valve seat has the valve seat sidewall that surrounds around, on the outer wall of valve seat sidewall, is arranged with seal.
Of the present invention again more and among concrete embodiment, described seal is submissive sealing ring, said submissive sealing ring is a silicon rubber loop.
In again of the present invention and then concrete embodiment, described temperature distortion sheet is a bimetal leaf, and described elastic component is a spring.
Technical scheme provided by the invention; After on the accent of the tube chamber that is configured to light-heat conversion glass tube; In case when the intraluminal temperature of light-heat conversion glass tube is high, the clearance channel between valve block and the valve seat is disappeared, the valve seat apopore is sealed by valve block; High Temperature Gas in the light-heat conversion glass tube can not get into the plastics inner bag of storage tank, thereby can avoid inner bag Yin Wendu too high and distortion and even explosion; When temperature is low, by the deformation of temperature distortion sheet valve block is promoted downwards equally, make valve block remove shutoff to the valve seat apopore.
Description of drawings
Fig. 1 is a concrete example structure figure of the present invention.
Fig. 2 is configured in the sketch map at accent position of the tube chamber of light-heat conversion glass tube for Fig. 1 structure.
Shown in Figure 3 is sketch map after the variation of Fig. 1 structure.
Shown in Figure 4 is the application examples sketch map of Fig. 1 structure on solar water heater.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more; The applicant general combines accompanying drawing to elaborate with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
Embodiment 1:
Ask for an interview Fig. 1; Provided the light-heat conversion glass tube 6 of known solar water heater; Because light-heat conversion glass tube 6 be accustomed to can be described as glass tube with vacuum or thermal-collecting tube again, can not think that therefore technical scheme provided by the invention is not binding or claim to protect effectiveness to the use of glass tube with vacuum and thermal-collecting tube because of the difference of vocabulary of terms.The temperature control device 6 that the light-heat conversion glass tube that will introduce is below used is accent 611 positions that are configured in the tube chamber 61 of light-heat conversion glass tube 6, and it is just as a gag, can with tube chamber 61 good fit.
The example structure of the temperature control device of preferred light-heat conversion glass tube 6 is following: comprise valve seat 1, temperature distortion sheet 2, valve block 3, support 4 and the elastic component 5 of a global shape just as cap-like; Central authorities on the surface of valve seat 1 offer a temperature distortion sheet accommodation hole 12 and one group of valve seat apopore 11, and valve seat apopore 11 is offered around the circumferencial direction of temperature distortion sheet accommodation hole 12 at interval.The size of temperature distortion sheet accommodation hole 12 should be suitable with the diameter of temperature distortion sheet 2, has a limited step 121 at temperature distortion sheet accommodation hole 12 towards a side of valve block 3, and temperature distortion sheet 2 is placed on the limited step 121.The quantity of aforesaid valve seat apopore 11, shape and size do not need painstakingly (especially) to limit in the present invention, though that is to say and illustrated among the figure that the quantity of valve seat apopore 11 is six, fully can be according to needing increase and decrease.The valve seat sidewall 15 that has the lopping of surrounding around the valve seat 1; Be arranged with submissive sealing ring 151 on the outer wall of valve seat sidewall 15 by submissive material; In the present embodiment; Use silicon rubber loop to fill the post of sealing ring 151, make the sealing ring 151 of silicon rubber material form good sealing (Fig. 2 shows) with the chamber wall (inwall) of tube chamber 61.With present location status shown in Figure 1 is example, valve seat 1 towards under a side promptly under user mode, constitute a valve block chamber 13 towards a side of light-heat conversion glass tube 6.In addition, on valve seat 1, also offer be separated by 180 ° support connecting hole 14 of a pair of position each other.Valve seat 1 preferred but not material that be limited to uses the bakelite material.
Continue to see Fig. 1; One temperature distortion sheet 2 is placed in the aforesaid temperature distortion sheet chamber 12, and temperature distortion sheet 2 is a bimetal leaf, can be by the market acquisition; In the present embodiment; Deformation values to the sense temperature of temperature distortion sheet 2 is got: when the temperature of tube chamber 61 during greater than 105 ℃ of left and right sides, and upwards deformation, downward deformation when the temperature in the tube chamber 61 is lower than 95 ℃ of left and right sides.One valve block 3 is placed in the aforesaid valve block chamber 13; And the central authorities towards a last side of valve block 3 contact with temperature distortion sheet 2; In the deformation process of temperature distortion sheet 2, promote valve block 3; Spaced apartly on valve block 3 be provided with the valve block apopore 31 that one group of quantity and the quantity of aforesaid valve seat apopore 11 preferably equate, valve block apopore 31 should stagger with the position of valve seat apopore 11, and promptly both can not overlap.Offer a pair of chamber 32 of stepping down in the corresponding both sides of valve block 3, in the present embodiment, the chamber 32 of stepping down is chosen as groove, and on valve block 3, is 180 ° of intervals each other.Certainly, also can be by the hole instead of grooves.In addition; Valve block 3 towards under the central authorities of a side; Promptly the central fovea towards a side of light-heat conversion glass tube 6 is provided with elastic component supporting cavity 33; Constitute the cavity compensation flange 331 that the material of the redundancy of elastic component supporting cavity 33 forms, so cavity compensation flange 331 is back to elastic component supporting cavity 33 and be positioned at the central authorities of valve block 3 towards last surface, and contacts with aforesaid temperature distortion sheet 2.
One support 4 is taken elastic component 5 and is fixedly connected with valve seat 1; Respectively offer a fastener hole 42 at the two ends of support 4; On each fastener hole 42, set a securing member 421; Each securing member 421 piggybacking in promptly by way of the aforesaid chamber 32 and being insinuated in the support connecting hole 14 of stepping down, fixing with support connecting hole 14.In the present embodiment, fill the post of securing member 421 by rivet.The middle part of support 4 and towards on a side extend and constitute an elastic component supporting base 41, aforesaid elastic component 5 adopts springs, an end is that the lower end is nested with on elastic component supporting base 41, the other end i.e. upper end is then kept out in aforesaid elastic component supporting cavity 33.
Ask for an interview Fig. 2, this illustrated structure shown in Figure 1 after assembling, be presented to the position of accent 611 of the tube chamber 61 of light-heat conversion glass tube 6, and form good sealing by the inwall of the tube chamber 61 of the outer wall of aforesaid seal 151 and light-heat conversion glass tube 6.
Embodiment 2:
Ask for an interview Fig. 3; Structure shown in Figure 3 is the differentiation on Fig. 1 architecture basics, and with the clockwork spring shape structure that the structure of temperature distortion sheet 2 is become just as use in the clock and watch by the disk shape of embodiment 1, an end is fixed with a fixed bar 21; Fixing with valve block 3 through fixed bar 21, the other end and valve seat 1 are fixing.The temperature distortion sheet 2 of this shape can embody embodiment 1 described deformation equally, and all the other are all with the description to embodiment 1.
Application examples:
Ask for an interview Fig. 4 and combine Fig. 1 and Fig. 2; Provided the storage tank 7 of solar water heater; It is the inner bag 71 that engineering plastic materials is made that storage tank 7 has a material, and the light-heat conversion glass tube 6 of being furnished with the temperature control device that light-heat conversion glass tube of the present invention uses shown in Figure 2 is matched with inner bag 71.When lack of water in the inner bag 71 so that anhydrous and under full water state water temperature reach about 95 ℃ and even when above, in order to block the passage between light-heat conversion glass tube 6 and the inner bag 71, the temperature distortion sheet 2 of this moment receives from the influence of the High Temperature Gas in the tube chamber 61 of light-heat conversion glass tube 6 deformation (distortion) takes place; With state shown in Figure 1 is example; The 2 upwards deformation of temperature distortion sheet at this moment, recline the direction of valve block 3 towards valve seat 1 under the effect of elastic component 5; The water inlet crack road of preexist between valve block 3 and valve seat 1 disappeared; Because valve block apopore 31 is original staggered with valve seat apopore 11, promptly stagger in the position of the valve seat apopore 11 on the valve block apopore on the valve block 3 31 and the valve seat 1, and promptly stagger in the position of the limit portion apopore 112 of the valve seat apopore 11 on valve block apopore on the valve block 3 31 and the valve seat 1; Therefore; By 3 pairs of valve seat apopore 11 closed allround of valve block, the tube chamber 61 of light-heat conversion glass tube 6 and the passage between the inner bag 71 are blocked, and the High Temperature Gas in the tube chamber 61 of light-heat conversion glass tube 6 can not get into inner bag 71; Thereby can avoid inner bag 71 to be out of shape and even explosion, effectively the generation of anti-heads situation because of high temperature.Otherwise; When the temperature in the inner bag 71 was low, for example below 95 ℃ and even 95 ℃ the time, then temperature distortion sheet 2 was out of shape towards aforesaid rightabout; Under the active force that overcomes elastic component 5, promote valve block 3; Passage between valve block 3 and the valve seat 1 is opened, and the High Temperature Gas in the tube chamber 61 is regarded it as valve seat apopore 11 from the valve block apopore and is got into inner bag 71, to the heating of the water in the inner bag 71.
In sum, technical scheme provided by the invention has solved the problem that the inner bag 71 of plastics manufacturings is out of shape because of high temperature effectively, can prolong the service life of the storage tank 7 of solar water heater ultimate attainmently.
Claims (9)
1. the temperature control device used of the light-heat conversion glass tube of a solar water heater; It is characterized in that described solar water heater comprises light-heat conversion glass tube (6); The temperature control device that described light-heat conversion glass tube is used comprises that one is used to be configured to the valve seat (1) at accent (611) position of the tube chamber (61) of said light-heat conversion glass tube (6); This valve seat (1) has a valve block chamber (13); And the spaced surface at valve seat (1) offers the temperature distortion sheet accommodation hole (12) that one group of valve seat apopore (11) and has limited step (121); Wherein: temperature distortion sheet accommodation hole (12) is positioned at the central authorities on the surface of valve seat (1), and one group of valve seat apopore (11) is offered around the circumferentially-spaced of temperature distortion sheet accommodation hole (12); One temperature distortion sheet (2) is contained in the said temperature distortion sheet accommodation hole (12) and with described limited step (121) and matches; One valve block (3) is contained in the described valve block chamber (13), and this valve block (3) pastes with said temperature distortion sheet (2) and touches, and goes up the spaced apart one group of valve block apopore (31) that is provided with at valve block (3); One support (4), this support (4) is positioned at the below of said valve block (3), and the two ends of support (4) and said valve seat (1) are fixing, and middle part and have an elastic component supporting base (41) towards a side of said valve block (3); One elastic component (5) is arranged on the said elastic component supporting base (41), and contacts with the central authorities of said valve block (3), and the position of described one group of valve block apopore (31) is to stagger with the position of said valve seat apopore (11).
2. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 1; It is characterized in that offering on the described valve seat (1) pair of brackets connecting hole (14); This goes up apart 180 ° to support connecting hole (14) at valve seat (1); Constitute a pair of chamber of stepping down (32) in the edge of described valve block (3), this goes up apart 180 ° to the chamber of stepping down (32) at valve block (3), and corresponding with described support connecting hole (14).
3. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 2; The two ends that it is characterized in that said support (4) respectively offer a fastener hole (42); On each fastener hole (42), be equipped with a securing member (421), securing member (421) is fixing with described support connecting hole (14) by way of the described chamber of stepping down (32).
4. the temperature control device of using according to the light-heat conversion glass tube of claim 2 or 3 described solar water heaters is characterized in that the described chamber of stepping down (32) is groove or hole.
5. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 3 is characterized in that described securing member (421) is screw or rivet.
6. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 1; It is characterized in that the central authorities of described valve block (3) and constitute elastic component supporting cavity (33) towards a side of said elastic component (5); And constitute cavity compensation flange (331) back to a side of elastic component supporting cavity (33); Cavity compensation flange (331) contacts with the central authorities of said temperature distortion sheet (2), and described elastic component (5) is insinuated in the elastic component supporting cavity (33).
7. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 1 is characterized in that described valve seat (1) has the valve seat sidewall (15) that surrounds around, is arranged with seal (151) on the outer wall of valve seat sidewall (15).
8. the temperature control device used of the light-heat conversion glass tube of solar water heater according to claim 7 is characterized in that described seal (151) is submissive sealing ring, and said submissive sealing ring is a silicon rubber loop.
9. the temperature control device of using according to the light-heat conversion glass tube of claim 1 or 6 described solar water heaters is characterized in that described temperature distortion sheet (2) is a bimetal leaf, and described elastic component (5) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102367799A CN101900445B (en) | 2010-07-23 | 2010-07-23 | Temperature control mechanism for photothermal conversion glass tube of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102367799A CN101900445B (en) | 2010-07-23 | 2010-07-23 | Temperature control mechanism for photothermal conversion glass tube of solar water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101900445A CN101900445A (en) | 2010-12-01 |
| CN101900445B true CN101900445B (en) | 2012-05-02 |
Family
ID=43226207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102367799A Expired - Fee Related CN101900445B (en) | 2010-07-23 | 2010-07-23 | Temperature control mechanism for photothermal conversion glass tube of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101900445B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307707A (en) * | 1979-12-13 | 1981-12-29 | Sunglo Solar Ltd. | Control valve for solar heating systems |
| AU555416B2 (en) * | 1982-04-06 | 1986-09-25 | Actrol Industries Pty. Ltd. | Temperature responsive valve |
| US20100059047A1 (en) * | 2005-02-04 | 2010-03-11 | Brendan Bourke | Overtemperature protection system for a solar water heating system |
| AU2006274484B2 (en) * | 2005-07-29 | 2011-04-21 | Rheem Australia Pty Limited | Thermo-siphon restrictor valve |
| CN201731667U (en) * | 2010-07-23 | 2011-02-02 | 常熟市格威普气体设备有限公司 | Temperature control mechanism for photo-thermal converting glass tube of solar water heater |
-
2010
- 2010-07-23 CN CN2010102367799A patent/CN101900445B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN101900445A (en) | 2010-12-01 |
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