CN203100232U - Hydraulic driving device of slot type solar light gathering heat collector - Google Patents
Hydraulic driving device of slot type solar light gathering heat collector Download PDFInfo
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- CN203100232U CN203100232U CN2012207237669U CN201220723766U CN203100232U CN 203100232 U CN203100232 U CN 203100232U CN 2012207237669 U CN2012207237669 U CN 2012207237669U CN 201220723766 U CN201220723766 U CN 201220723766U CN 203100232 U CN203100232 U CN 203100232U
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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 utility model discloses a hydraulic driving device of a slot type solar light gathering heat collector. The hydraulic driving device comprises the light gathering heat collector, the tracking hydraulic driving device connected with the light gathering heat collector, a control circuit connected with the tracking hydraulic driving device, an energy storage device connected with the tracking hydraulic driving device, and a power generating mechanism connected with the control circuit. The tracking hydraulic driving device comprises a first hydraulic cylinder, a second hydraulic cylinder and a solenoid valve combined unit. The first hydraulic cylinder, the second hydraulic cylinder and the solenoid valve combined unit are in rotating connection with the light gathering heat collector. A hydraulic rod of the first hydraulic cylinder and a hydraulic rod of the second hydraulic cylinder are respectively in rotating connection with the light gathering heat collector. The first hydraulic cylinder and the second hydraulic cylinder are in rotating connection and are fixed on a base. The hydraulic driving device has the advantages of being capable of tracking the sun on proper light gathering heat collecting conditions without support of energy sources outside the device.
Description
Technical field
The utility model relates to a kind of fluid pressure drive device of groove type solar concentrating collector, and especially a kind of one dimension of double hydraulic cylinder is followed the tracks of the fluid pressure drive device of the groove type solar concentrating collector of the sun.
Background technology
Solar energy is as a kind of cleaning, non-pollution of renewable energy, and its development and utilization is considered to the important component part of world energy sources strategy.Solar thermal utilization is a topmost mode during solar energy utilizes, groove type solar heat utilization system mainly converges to the sunshine emission on the thermal-collecting tube by means of the groove type paraboloid concentrator, by medium in managing heat energy is derived and to utilize, it has, and efficient is higher, scale big, be easy to characteristics such as standardization.
Solar energy thermal-power-generating is a kind of method of alternative conventional energy resource, is one of emphasis of various countries scientist and government concern, according to the difference of optically focused pattern.That solar energy thermal-power-generating mainly contains is tower, slot type, three kinds of modes of dish formula, and wherein trough type solar power generation is a kind of that commercial level is higher, technology is comparatively ripe.Existing slot type drive unit driving is many, and the moment of torsion that motor-driven mechanism provides is little based on motor, and the tracking that is not suitable for extensive slot light collection collecting system drives; Adopt mechanism's driving angle of single hydraulic cylinder less relatively.
Normally condition is more abominable to utilize the zone of solar energy heating generating, and following the tracks of control also needs the outer power supply of device that power is provided usually.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of simple in structure, reasonable in design, safety and stability, satisfies the fluid pressure drive device of the groove type solar concentrating collector of efficient slot type solar tracking needs.
The technical solution of the utility model is a kind of fluid pressure drive device of groove type solar concentrating collector, comprises concentrating collector, what link to each other with concentrating collector is used for driving the tracking fluid pressure drive device that concentrating collector is followed solar motion, with follow the tracks of that fluid pressure drive device links to each other and be used for providing the control circuit of control signal to the tracking fluid pressure drive device, with follow the tracks of that fluid pressure drive device links to each other and the energy storage equipment of hydraulic oil be provided for the tracking fluid pressure drive device, that link to each other with control circuit and and simultaneously and battery and energy storage equipment generator coupled structure to the battery of control circuit power supply.
As further improvement of the utility model, described tracking fluid pressure drive device comprises first hydraulic cylinder and second hydraulic cylinder and the magnetic valve composite set that is rotatedly connected with concentrating collector; The hydraulic stem of described first hydraulic cylinder and second hydraulic cylinder is rotationally connected with concentrating collector respectively; First hydraulic cylinder and second hydraulic cylinder are rotationally connected and are fixed on the base.
As further improvement of the utility model, described magnetic valve composite set comprises the 4th magnetic valve, the 8th magnetic valve, the 6th magnetic valve, the 5th magnetic valve, the 7th magnetic valve and the 3rd magnetic valve that links to each other successively by fluid pressure line, and described the 4th magnetic valve links to each other by fluid pressure line with the 3rd magnetic valve; The 4th magnetic valve links to each other with second hydraulic cylinder by the first throttle valve with fluid pressure line between the 8th magnetic valve; The 8th magnetic valve links to each other with second hydraulic cylinder by second choke valve with fluid pressure line between the 6th magnetic valve; The 5th magnetic valve links to each other with first hydraulic cylinder by the 3rd choke valve with fluid pressure line between the 7th magnetic valve; The 7th magnetic valve links to each other with first hydraulic cylinder by the 4th choke valve with fluid pressure line between the 3rd magnetic valve; That link to each other with energy storage equipment and the magnetic valve of hydraulic oil is provided for the 4th magnetic valve, the 8th magnetic valve, the 6th magnetic valve, the 5th magnetic valve, the 7th magnetic valve and the 3rd magnetic valve.
As further improvement of the utility model, described magnetic valve is a three position four-way electromagnetic valve.
As further improvement of the utility model, described the 4th magnetic valve, the 8th magnetic valve, the 6th magnetic valve, the 5th magnetic valve, the 7th magnetic valve and the 3rd magnetic valve are the 2/2-way magnetic valve.
As further improvement of the utility model, described energy storage equipment comprises the accumulator that links to each other with magnetic valve by fluid pressure line, the fuel tank that links to each other with magnetic valve by fluid pressure line and the feedway that is used for supplying with hydraulic oil to accumulator.
As further improvement of the utility model, described feedway comprises the motor that links to each other with power facility, the oil pump that links to each other with motor, and oil pump links to each other with accumulator by check valve, and oil pump links to each other with fuel tank by filter; Fluid pressure line between oil pump and the check valve extend in the fuel tank by overflow valve; Fluid pressure line between oil pump and the check valve is provided with pressure switch.
As further improvement of the utility model, described power facility is wind-driven generator or solar cell or the wind-driven generator power facility in parallel with solar cell.
The beneficial effects of the utility model are:
1, this installs described device does not need the outer energy of device to support, can follow the tracks of the sun under the condition of suitable light and heat collection.
2, because the instability of the power of the power supply that provides by wind-powered electricity generation and solar cell, this device adopts the energy storage equipment of being made up of overflow valve, check valve, pressure switch and accumulator, absorb, buffering is by the pressure fluctuation as the system of power resources of wind-powered electricity generation and solar cell, this drive unit has safe and reliable characteristics.
3, hydraulic buttery valve composite set provides backflow hydraulic oil one-way throttle, has guaranteed that hydraulic cylinder can move stably, and hydraulic cylinder is in service can stall.
4, the hydraulic buttery valve composite set is made up of 1 three position four-way electromagnetic valve and 6 2/2-way magnetic valves, and is both simple, reduced cost again.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a structural representation of following the tracks of fluid pressure drive device.
Wherein: 1, wind-driven generator, 2, solar cell, 3, battery, 4, control circuit, 5, the magnetic valve composite set, 6, motor, 7, oil pump, 8, filter, 9, fuel tank, 10, overflow valve, 11, check valve, 12, accumulator, 13, pressure switch, 14, second hydraulic cylinder, 15, first hydraulic cylinder, 16, concentrating collector, 17, fluid pressure line, 18, the 4th magnetic valve, 19, the 8th magnetic valve, 20, the 6th magnetic valve, 21, the 5th magnetic valve, 22, the 7th magnetic valve, 23, the 3rd magnetic valve, 24, second choke valve, 25, the first throttle valve, 26 the 3rd choke valves, 27 the 4th choke valves, 28, magnetic valve.
The specific embodiment
1-2 further specifies the utility model in conjunction with the accompanying drawings:
The fluid pressure drive device of groove type solar concentrating collector of the present utility model comprises concentrating collector 16, what link to each other with concentrating collector 16 is used for driving the tracking fluid pressure drive device that concentrating collector 16 is followed solar motion, with follow the tracks of that fluid pressure drive device links to each other and be used for providing the control circuit 4 of control signal to the tracking fluid pressure drive device, with follow the tracks of that fluid pressure drive device links to each other and the energy storage equipment of hydraulic oil be provided for the tracking fluid pressure drive device, that link to each other with control circuit 4 and give the battery 3 of control circuit 4 power supplies and simultaneously and battery 3 and energy storage equipment generator coupled structure.As shown in Figure 1.
Concentrating collector 16 described in the utility model adopts concentrating collector of the prior art, and concrete structure the utility model is not done detailed description.
Power facility described in the utility model also adopts wind-driven generator of the prior art or solar cell or the wind-driven generator TRT in parallel with solar cell.The utility model adopts wind-driven generator or solar battery apparatus, and its purpose is to make the utility model device not need the outer energy of this device to support, can follow the tracks of the sun under the condition of suitable light and heat collection.
Follow the tracks of fluid pressure drive device and comprise first hydraulic cylinder 15 and second hydraulic cylinder 14 and the magnetic valve composite set that is rotatedly connected with concentrating collector 16; The hydraulic stem of first hydraulic cylinder 15 and second hydraulic cylinder 14 is rotationally connected with concentrating collector 16 respectively; First hydraulic cylinder 15 and second hydraulic cylinder 14 are rotationally connected and are fixed on the base.First hydraulic cylinder 15 and second hydraulic cylinder 14 described here are hydraulic cylinder of the prior art, and concrete structure the utility model is not done detailed description.
The magnetic valve composite set adopts 1 three position four-way electromagnetic valve of the prior art and 6 2/2-way magnetic valves to form, and is both simple, reduced cost again.The magnetic valve composite set comprises the 4th magnetic valve 18, the 8th magnetic valve 19, the 6th magnetic valve 20, the 5th magnetic valve 21, the 7th magnetic valve 22 and the 3rd magnetic valve 23 that links to each other successively by fluid pressure line 17, and described the 4th magnetic valve 18 links to each other by fluid pressure line 17 with the 3rd magnetic valve 23; The 4th magnetic valve 18 links to each other with second hydraulic cylinder 14 by first throttle valve 25 with fluid pressure line 17 between the 8th magnetic valve 19; The 8th magnetic valve 19 links to each other with second hydraulic cylinder 14 by second choke valve 24 with fluid pressure line 17 between the 6th magnetic valve 20; The 5th magnetic valve 21 links to each other with first hydraulic cylinder 15 by the 3rd choke valve 26 with fluid pressure line 17 between the 7th magnetic valve 22; The 7th magnetic valve 22 links to each other with first hydraulic cylinder 15 by the 4th choke valve 27 with fluid pressure line 17 between the 3rd magnetic valve 23; That link to each other with energy storage equipment and the magnetic valve 28 of hydraulic oil is provided for the 4th magnetic valve 18, the 8th magnetic valve 19, the 6th magnetic valve 20, the 5th magnetic valve 21, the 7th magnetic valve 22 and the 3rd magnetic valve 23.As shown in Figure 2.
The magnetic valve 28 that adopts in the utility model is three position four-way electromagnetic valve of the prior art, and concrete structure the utility model is not done detailed description.
The 4th magnetic valve 18, the 8th magnetic valve 19, the 6th magnetic valve 20, the 5th magnetic valve 21, the 7th magnetic valve 22 and the 3rd magnetic valve 23 that adopt in the utility model also are 2/2-way magnetic valve of the prior art, and concrete structure the utility model is not done detailed description yet.
The first throttle valve 25, second choke valve 24, the 3rd choke valve 26 and the 4th choke valve 27 that adopt in the utility model also are one-way throttle valve of the prior art, and concrete structure the utility model is not done detailed description.
Energy storage equipment comprises the accumulator 12 that links to each other with magnetic valve 28 by fluid pressure line 17, the fuel tank 9 that links to each other with magnetic valve 28 by fluid pressure line 17 and the feedway that is used for supplying with hydraulic oil to accumulator 12.Feedway comprises the motor 6 that links to each other with power facility by electric wire, and by the oil pump 7 that shaft coupling links to each other with motor 6, oil pump 7 links to each other with accumulator 12 by check valve 11, and oil pump 7 links to each other with fuel tank 9 by filter 8; Fluid pressure line 17 between oil pump 7 and the check valve 11 extend in the fuel tank 9 by overflow valve 10; Fluid pressure line 17 between oil pump 7 and the check valve 11 is provided with pressure switch 13.The hydraulic oil of oil pump 7 is supplied with through filter 8 by fuel tank 9, the high-pressure and hydraulic oil that oil pump 7 provides is stored in accumulator 12 through check valve 11 and pressure switch 13, enter first hydraulic cylinder 15 and second hydraulic cylinder 14 behind the magnetic valve composite set 5 of high-pressure and hydraulic oil in the accumulator 12 via hydraulic control circuit 4 controls, realize the tracking sun of concentrating collector 16.As shown in Figure 1.
Motion process of the present utility model:
Pursuit movement relation between magnetic valve composite set, control circuit, first hydraulic cylinder 15 and second hydraulic cylinder 14 in the tracking fluid pressure drive device of the present utility model is divided into four kinds of movement relations.
Four kinds of motions are: hydraulic stem elongation in first hydraulic cylinder 15; Hydraulic stem shrinks in first hydraulic cylinder 15; Hydraulic stem contraction in the hydraulic stem elongation and second hydraulic cylinder 14 in second hydraulic cylinder 14.
Suppose that the hydraulic stem of first hydraulic cylinder 15 and second hydraulic cylinder 14 is in normal condition in the tracking fluid pressure drive device of the present utility model, promptly neither to extend also non-shrinking state be normality to hydraulic stem.Establish first hydraulic cylinder 15 when first hydraulic cylinder 15 and second hydraulic cylinder 14 are in the normal state and equate that with the angle that perpendicular forms promptly following the tracks of angle C is 0 ° with the angle and second hydraulic cylinder 14 that the plane forms.
Annotate: the axis of described " plane " first turning cylinder 40 and the determined plane of axis of second turning cylinder 41.
Described first turning cylinder 40 is the turning cylinder of concentrating collector 16; Second turning cylinder 41 is the turning cylinder of first hydraulic cylinder 15 and second hydraulic cylinder 14.The axis of described first turning cylinder 40 is parallel with the axis of second turning cylinder 41.
Setting concentrating collector 16, to rotate counterclockwise direction be forward, and clockwise rotating direction is negative sense, along first turning cylinder, 40 axle center direction straight down be Z to.Described angle C just first hydraulic cylinder 15 and second hydraulic cylinder 14 follows the tracks of the angle that the sun rotate.
Four lead labels setting three position four-way electromagnetic valve 28 are that A, B, P, 0, two group of path are AP, B0 and A0, BP; If AP, B0 are that first group of path is 1DT, A0, BP are that second group of path is 2DT.As shown in Figure 2.
1, gets electric, 2DT dead electricity as the 1DT of three position four-way electromagnetic valve 28; The 4th magnetic valve 18 in the magnetic valve of 2/2-way, the 6th magnetic valve 20, the 5th magnetic valve 21 and the 7th magnetic valve 22 get electric, the 8th magnetic valve 19 and the 3rd magnetic valve 23 dead electricity; This moment, the hydraulic stem of second hydraulic cylinder 14 extended, and promptly followed the tracks of corner C more than or equal to 0 °.
2, get electric, 1DT dead electricity as the 2DT of three position four-way electromagnetic valve 28; The 3rd magnetic valve 23 in the magnetic valve of 2/2-way, the 4th magnetic valve 18, the 6th magnetic valve 20 and the 7th magnetic valve 22 get electric, the 5th magnetic valve 21 and the 8th magnetic valve 19 dead electricity; This moment, the hydraulic stem of second hydraulic cylinder 14 shrank, and promptly followed the tracks of corner C more than or equal to 0 °.
3, get electric, 2DT dead electricity as the 1DT of three position four-way electromagnetic valve 28; The 3rd magnetic valve 23 in the magnetic valve of 2/2-way, the 5th magnetic valve 21, the 6th magnetic valve 20 and the 8th magnetic valve 19 get electric, the 4th magnetic valve 18 and the 7th magnetic valve 22 dead electricity; This moment, the hydraulic stem of first hydraulic cylinder 15 extended, and promptly followed the tracks of corner C less than 0 °.
4, get electric, 1DT dead electricity as the 2DT of three position four-way electromagnetic valve 28; The 3rd magnetic valve 23 in the magnetic valve of 2/2-way, the 5th magnetic valve 21, the 4th magnetic valve 18 and the 8th magnetic valve 19 get electric, the 6th magnetic valve 20 and the 7th magnetic valve 22 dead electricity; This moment, the hydraulic stem of first hydraulic cylinder 15 shrank, and promptly followed the tracks of corner C less than 0 °.
To sum up, the pursuit movement relation of following the tracks of between fluid pressure drive device interior magnetic valve composite set, control circuit, first hydraulic cylinder 15 and second hydraulic cylinder 14 is as shown in table 1.
Table 1
Annotate: in the table 1 "+" be electric, "-" is dead electricity.
The utility model can also have other embodiment, and any trickle modification that all foundations technical spirit of the present utility model is adopted, equivalent transformation, alternative formed technical scheme all drop within the claimed scope of the utility model.
Claims (8)
1. the fluid pressure drive device of a groove type solar concentrating collector is characterized in that: comprise concentrating collector (16), what link to each other with concentrating collector (16) is used for driving the tracking fluid pressure drive device that concentrating collector (16) is followed solar motion, with follow the tracks of that fluid pressure drive device links to each other and be used for providing the control circuit (4) of control signal to the tracking fluid pressure drive device, with follow the tracks of that fluid pressure drive device links to each other and the energy storage equipment of hydraulic oil be provided for the tracking fluid pressure drive device, that link to each other with control circuit (4) and power for control circuit (4) battery (3) and while and battery (3) and energy storage equipment generator coupled structure.
2. the fluid pressure drive device of groove type solar concentrating collector according to claim 1 is characterized in that: described tracking fluid pressure drive device comprises first hydraulic cylinder (15) and second hydraulic cylinder (14) and magnetic valve composite set that is rotatedly connected with concentrating collector (16); Described first hydraulic cylinder (15) is rotationally connected with concentrating collector (16) respectively with the hydraulic stem of second hydraulic cylinder (14); First hydraulic cylinder (15) is rotationally connected with second hydraulic cylinder (14) and is fixed on the base.
3. the fluid pressure drive device of groove type solar concentrating collector according to claim 2, it is characterized in that: described magnetic valve composite set comprises the 4th magnetic valve (18), the 8th magnetic valve (19), the 6th magnetic valve (20), the 5th magnetic valve (21), the 7th magnetic valve (22) and the 3rd magnetic valve (23) that links to each other successively by fluid pressure line (17), and described the 4th magnetic valve (18) links to each other by fluid pressure line (17) with the 3rd magnetic valve (23); The 4th magnetic valve (18) links to each other with second hydraulic cylinder (14) by first throttle valve (25) with fluid pressure line (17) between the 8th magnetic valve (19); The 8th magnetic valve (19) links to each other with second hydraulic cylinder (14) by second choke valve (24) with fluid pressure line (17) between the 6th magnetic valve (20); The 5th magnetic valve (21) links to each other with first hydraulic cylinder (15) by the 3rd choke valve (26) with fluid pressure line (17) between the 7th magnetic valve (22); The 7th magnetic valve (22) links to each other with first hydraulic cylinder (15) by the 4th choke valve (27) with fluid pressure line (17) between the 3rd magnetic valve (23); That link to each other with energy storage equipment and the magnetic valve (28) of hydraulic oil is provided for the 4th magnetic valve (18), the 8th magnetic valve (19), the 6th magnetic valve (20), the 5th magnetic valve (21), the 7th magnetic valve (22) and the 3rd magnetic valve (23).
4. the fluid pressure drive device of groove type solar concentrating collector according to claim 3 is characterized in that: described magnetic valve (28) is a three position four-way electromagnetic valve.
5. the fluid pressure drive device of groove type solar concentrating collector according to claim 3 is characterized in that: described the 4th magnetic valve (18), the 8th magnetic valve (19), the 6th magnetic valve (20), the 5th magnetic valve (21), the 7th magnetic valve (22) and the 3rd magnetic valve (23) are the 2/2-way magnetic valve.
6. the fluid pressure drive device of groove type solar concentrating collector according to claim 1 is characterized in that: described energy storage equipment comprises the accumulator (12) that links to each other with magnetic valve (28) by fluid pressure line (17), the fuel tank (9) that links to each other with magnetic valve (28) by fluid pressure line (17) and the feedway that is used for supplying with hydraulic oil to accumulator (12).
7. the fluid pressure drive device of groove type solar concentrating collector according to claim 6, it is characterized in that: described feedway comprises the motor (6) that links to each other with power facility, the oil pump (7) that links to each other with motor (6), oil pump (7) links to each other with accumulator (12) by check valve (11), and oil pump (7) links to each other with fuel tank (9) by filter (8); Fluid pressure line (17) between oil pump (7) and the check valve (11) extend in the fuel tank (9) by overflow valve (10); Fluid pressure line (17) between oil pump (7) and the check valve (11) is provided with pressure switch (13).
8. the fluid pressure drive device of groove type solar concentrating collector according to claim 1 is characterized in that: described power facility is wind-driven generator or solar cell or the wind-driven generator power facility in parallel with solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207237669U CN203100232U (en) | 2012-12-25 | 2012-12-25 | Hydraulic driving device of slot type solar light gathering heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207237669U CN203100232U (en) | 2012-12-25 | 2012-12-25 | Hydraulic driving device of slot type solar light gathering heat collector |
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| Publication Number | Publication Date |
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| CN203100232U true CN203100232U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207237669U Withdrawn - After Issue CN203100232U (en) | 2012-12-25 | 2012-12-25 | Hydraulic driving device of slot type solar light gathering heat collector |
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| CN (1) | CN203100232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997451A (en) * | 2012-12-25 | 2013-03-27 | 东南大学 | Hydraulic drive device of parabolic trough condensing solar collector |
| CN105333627A (en) * | 2014-08-13 | 2016-02-17 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Groove type solar energy drive system |
| CN114337499A (en) * | 2022-01-10 | 2022-04-12 | 东北大学 | Illumination self-adaptive heat spot prevention shed type photovoltaic power generation device and method |
-
2012
- 2012-12-25 CN CN2012207237669U patent/CN203100232U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997451A (en) * | 2012-12-25 | 2013-03-27 | 东南大学 | Hydraulic drive device of parabolic trough condensing solar collector |
| CN102997451B (en) * | 2012-12-25 | 2014-12-03 | 东南大学 | Hydraulic drive device of parabolic trough condensing solar collector |
| CN105333627A (en) * | 2014-08-13 | 2016-02-17 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Groove type solar energy drive system |
| CN114337499A (en) * | 2022-01-10 | 2022-04-12 | 东北大学 | Illumination self-adaptive heat spot prevention shed type photovoltaic power generation device and method |
| CN114337499B (en) * | 2022-01-10 | 2023-10-31 | 东北大学 | Illumination self-adaptive thermal-patch-prevention greenhouse type photovoltaic power generation device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20141203 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20141203 |
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| RGAV | Abandon patent right to avoid regrant |