CN204493056U - A kind of hydroelectric generator and hydroelectric power system - Google Patents
A kind of hydroelectric generator and hydroelectric power system Download PDFInfo
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- CN204493056U CN204493056U CN201520035256.6U CN201520035256U CN204493056U CN 204493056 U CN204493056 U CN 204493056U CN 201520035256 U CN201520035256 U CN 201520035256U CN 204493056 U CN204493056 U CN 204493056U
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- hydroelectric
- generator
- waterwheel
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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
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a kind of hydroelectric generator, comprise: waterwheel and generator, described waterwheel comprises blade and waterwheel pto＝power take-off, and described blade is arranged on described waterwheel pto＝power take-off, and described waterwheel pto＝power take-off is connected with described generator power input shaft.Additionally provide a kind of hydroelectric power system, comprising: hydroelectric generator as above and the diversion channel be arranged on river course, described diversion channel comprises canal bank, and described hydroelectric generator is arranged on described canal on the bank.The hydroelectric generator that the utility model provides and hydroelectric power system, structure is relatively simple, simplify production technology, reduce investment cost, save cost of production, add hydroelectric technology kind, can less at drop, open smooth basin, by building diversion channel, hydroelectric generator is installed on the bank at the canal of diversion channel, thus realize hydroelectric power, create a kind of more economical environmental protection, simple and practical hydroelectric power mode.
Description
Technical field
The utility model relates to hydroelectric technical field, especially relates to a kind of hydroelectric generator and hydroelectric power system.
Background technique
Traditional hydroelectric generator generally includes water turbine and generator, and the energy utilizing current to produce promotes water turbine and rotates, and water turbine again drive electrical generators rotates, thus water can be converted into mechanical energy, then is electric energy by changes mechanical energy, realizes the object of generating.Traditional hydroelectric generator requires comparatively large to the flow of current and potential energy, to building the condition in power station and requiring relatively high, and manufacturing process is complicated, consuming time longer, costly.
Traditional hydroelectric power plant comprises dam and hydroelectric generator, and hydroelectric generator is arranged in dam.Water in reservoir enters pressure piping by water inlet, and the end of pressure piping is provided with water turbine, thus current can promote water turbine rotation, and one end of water turbine is connected with generator, and the rotation of water turbine drives electrical power generators.
Traditional hydroelectric power plant, the impact by geological environment is comparatively large, usually needs to be selected in the basin at the comparatively large or ladder transition place of physical features drop, could meet its potential energy to current and the requirement of flow velocity; And traditional hydroelectric power plant technique is comparatively complicated, the time of founding the factory is longer, and expenditure of construction is higher, and not easily increases capacity again after having founded the factory.
Wind power generating set can be divided into wind wheel, generator and pylon three part substantially.Fan blade is the kinetic energy of keeping watch is the vitals of mechanical energy, it is made up of the blade of two or more propeller shapes, when wind is to blade, blade produces aerodynamic force, thus drive wind wheel to rotate, the wind wheel drive electrical generators rotor rotated rotates and generates electricity, and finally realizing wind energy transformation is mechanical energy, and changes mechanical energy is the object of electric energy.
In traditional wind-power electricity generation, also speed increaser is provided with between wind wheel and generator, because the rotating speed of generator wind wheel blade is lower, so the rotational speed of generator amature must be promoted by speed increaser, generator amature is rotated with specified rotating speed, the high-speed cutting magnetic line of force, finally realizes the object of electrical power generators.In sum, because wind-power electricity generation forms by organizing wind power generating set usually, therefore its floor space is larger; Meanwhile, because wind-power electricity generation is using wind energy as unique power source, therefore comparatively strong to weather dependence, be easily subject to the impact of changes of weather and wind speed; And wind-power electricity generation by wind size-dependence, because wind speed is unstable, so from net generating, can only be not easy realization and generate electricity by way of merging two or more grid systems.
The shortcoming of thermal power generation is as follows: need to consume the resources such as a large amount of collieries, easily cause pollution of atmosphere; Simultaneously because CO2 emissions is comparatively large, greenhouse effect can be increased the weight of; And because the factor such as higher, the noise of operating environment temperature is comparatively large, harmful matter is more, larger impact can be produced on the health of operator.
The shortcoming of photovoltaic generation is as follows: the energy profile density of sunlight is little, so need to take larger area; Rely on the sun completely, by larger with the impact of weather conditions round the clock; Benefit is low and cost of electricity-generating is larger.
The shortcoming of nuclear energy power generation is as follows: nuclear energy power plant thermal efficiency is lower and can produce radioactive waste material, pollutes comparatively large, also has a great impact around ecotope; And nuclear power plant invests and operation cost is huge, the risk of safe operation is higher.
Model utility content
The purpose of this utility model is to provide a kind of hydroelectric generator and hydroelectric power system, the flow of current and potential energy are required comparatively large to solve the conventional hydraulic generating existed in prior art, and complicated, consuming time longer, the technical problem costly of manufacturing process.
The utility model provides a kind of hydroelectric generator, comprising: waterwheel and generator, and described waterwheel comprises blade and waterwheel pto＝power take-off; Described generator comprises generator power input shaft; Described blade is arranged on described waterwheel pto＝power take-off, and described waterwheel pto＝power take-off is connected with described generator power input shaft.
Further, described waterwheel also comprises bindiny mechanism, and described bindiny mechanism is fixedly installed on described waterwheel pto＝power take-off, and described blade is arranged in described bindiny mechanism removably.
Optimally, described bindiny mechanism is clutch or electromagnetic coupler, and described clutch and described electromagnetic coupler are set on described waterwheel pto＝power take-off.
Optimally, dismountable mode is clamping.
Optimally, the quantity of described generator is two, is separately positioned on the two ends of described waterwheel pto＝power take-off.
The utility model additionally provides a kind of hydroelectric power system, comprising: hydroelectric generator as above and the diversion channel be arranged on river course, described diversion channel comprises canal bank, and described hydroelectric generator is arranged on described canal on the bank.
Further, also comprise: dam, described dam comprises diversion channel flow channel; Described diversion channel flow channel is connected with described diversion channel, and is positioned at the upstream of described diversion channel.
Further, described dam also comprises diversion channel gate, and described diversion channel gate locating is on described diversion channel flow channel.
Further, described dam also comprises: main stem flow channel and main stem drainage gate, and described main stem flow channel is arranged on described dam, and described main stem drainage gate is arranged on described main stem flow channel.
Optimally, described diversion channel quantity is two, and described diversion channel is separately positioned on the both sides in river course.
The hydroelectric generator that the utility model provides and hydroelectric power system, structure is relatively simple, simplify production technology, reduce investment cost, save cost of production, add hydroelectric technology kind, can less at drop, open smooth basin, realize hydroelectric power, create a kind of more economical environmental protection, simple and practical hydroelectric power mode.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of hydroelectric generator that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the plan view of the hydroelectric generator shown in Fig. 1;
The A-A sectional view that Fig. 3 is the hydroelectric generator shown in Fig. 2;
The B-B sectional view that Fig. 4 is the hydroelectric generator shown in Fig. 2;
The structural representation of a kind of hydroelectric power system that Fig. 5 provides for the utility model embodiment.
Reference character:
1-hydroelectric generator; 2-diversion channel; 3-dam;
11-generator; 12-waterwheel; 21-canal bank;
31-diversion channel flow channel; 32-diversion channel gate; 33-main stem flow channel;
34-main stem drainage gate;
111-generator power input shaft; 121-blade; 122-waterwheel pto＝power take-off;
123-bindiny mechanism.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The structural representation of a kind of hydroelectric generator that Fig. 1 provides for the utility model embodiment; Fig. 2 is the plan view of the hydroelectric generator shown in Fig. 1; The A-A sectional view that Fig. 3 is the hydroelectric generator shown in Fig. 2; The B-B sectional view that Fig. 4 is the hydroelectric generator shown in Fig. 2; The structural representation of a kind of hydroelectric power system that Fig. 5 provides for the utility model embodiment.
As Figure 1-4, a kind of hydroelectric generator 1 that the utility model provides, comprise: waterwheel 12 and generator 11, waterwheel 12 comprises blade 121 and waterwheel pto＝power take-off 122, blade 121 is arranged on waterwheel pto＝power take-off 122, and waterwheel pto＝power take-off 122 is connected with generator power input shaft 111.
Waterwheel 12 is located in river, by the rotation of self, water can be converted into mechanical energy; What the blade 121 on waterwheel 12 can be fixed is arranged on waterwheel pto＝power take-off 122, also can be connected by dismountable mode; Fixing welding can be integral type, also can be realized by the mode of welding; Realize dismountablely being connected with multiple method, such as: on waterwheel pto＝power take-off 122, be provided with snap openings, blade 121 can insert in snap openings, finally realizes fixing object; Or blade 121 is connected with waterwheel pto＝power take-off 122 is dismountable by bolt.
Generator 11 can have multiple choices, such as: wind-driven generator or direct drive generator, etc.
As the preferred scheme of one, direct drive generator selected by generator 11.Direct drive generator is structurally primarily of axis and disc type two kinds, and axial arrangement is divided into internal rotor and external rotor etc., and tray type structure is divided into center roller, intermediate stator and multi-disc type etc.Direct drive generator has the following advantages: generating efficiency is higher; Reliability is high; Run and maintenance cost low; Electrical network access performance is excellent.
Above-mentioned hydroelectric generator 1 structure is simple, simplify production technology, reduce investment cost, save cost of production, add hydroelectric technology kind, can less at drop, open smooth basin, realize hydroelectric power, create a kind of more economical environmental protection, simple and practical hydroelectric power mode.
On the basis of above-described embodiment, particularly, blade 121 is connected with waterwheel pto＝power take-off 122 removably.
On the basis of above-described embodiment; blade 121 and waterwheel pto＝power take-off 122 can adopt multiple fixed structure to be connected; mode is fixedly connected with as welded etc. other; as long as the linkage structure that blade 121 can be fixedly connected with waterwheel pto＝power take-off 122, all belongs to the scope of protection of the present utility model.Preferably, conveniently dismantle blade 121 quickly, regulate the quantity of waterwheel pto＝power take-off 122 upper blade 121; , waterwheel 12 also comprises bindiny mechanism 123, and bindiny mechanism 123 is arranged on waterwheel pto＝power take-off 122, and blade 121 adopts dismountable mode to be arranged in bindiny mechanism 123.
Can there be multiple choices in bindiny mechanism 123, and such as: clutch or electromagnetic coupler, and the quantity of bindiny mechanism 123 can be multiple.
As shown in Figure 1, the quantity of bindiny mechanism 123 is three, is all set on waterwheel pto＝power take-off 122, and bindiny mechanism 123 and waterwheel pto＝power take-off 122 synchronous rotary, blade 121 is fixed in bindiny mechanism 123 by the mode of clamping.
As the preferred scheme of one, bindiny mechanism 123 adopts electromagnetic coupler.
Electromagnetic coupler has the following advantages: maintenance workload is less; Allow larger installation error of centralization; There is overload protection function, improve the reliability of system; Long service life; Be easy to realize remote control and automatically control, process control validity is high; Structure is simple, can use various rugged environment.
On the basis of above-described embodiment, particularly, as Figure 1-3, the quantity of generator 11 is two, is separately positioned on the two ends of waterwheel pto＝power take-off 122.
Generator 11 is all set at the two ends of waterwheel pto＝power take-off 122, the generating efficiency of hydroelectric generator 1 can be increased, improve generated energy.
As shown in Figure 5, the utility model additionally provides a kind of hydroelectric power system, comprising: hydroelectric generator 1 as shown in Figure 1 and the diversion channel 2 be arranged on river course, diversion channel 2 comprises canal bank 21, and hydroelectric generator 1 is arranged on canal bank 21.
The quantity of hydroelectric generator 1 can be multiple stage, distributes uniformly along diversion channel 2; Diversion channel 2 also can be multiple, all arranges along river course.Hydroelectric generator 1 is fixedly installed on canal bank 21 and has a variety of method, such as: bolt connects or riveted joint, etc.
The hydroelectric power system that the utility model provides, add hydroelectric kind, create a kind of more economical environmental protection, simple and practical generation mode, so high requirement is not had to geological environment, flow rate of water flow and water drop, technique is simple, and early investment is less; Meanwhile, the construction for hydroelectric power system opens new field and point of economic increase, makes hydroelectric kind have more variation and practicability, increases economic value; And this hydroelectric power system by changing the quantity of hydroelectric generator, can also increase or reduce the electric motor power of hydroelectric power system after building up.
On the basis of above-described embodiment, particularly, the hydroelectric power system that the utility model provides also comprises: dam 3; Dam 3 comprises diversion channel 2 flow channel; Diversion channel flow channel 31 is connected with diversion channel 2, and is positioned at the upstream of diversion channel 2.
Dam 3 as shown in Figure 5, structure is simple, and construction is comparatively easy, and good endurance, is convenient to arrange discharge construction, and current can be made to produce larger potential energy.
On the basis of above-described embodiment, as the preferred scheme of one, particularly, the bottom surface of diversion channel flow channel 31 is higher than the bottom surface of diversion channel 2.
Adopt said structure, the potential energy of current can be increased, thus increased water flow is to the Driving force of blade 121, and then increase generating efficiency.
On the basis of above-described embodiment, particularly, dam 3 also comprises diversion channel gate 32, and diversion channel gate 32 is arranged on diversion channel flow channel 31.
It should be noted that, the quantity of diversion channel gate 32 can be multiple, and identical with the quantity of diversion channel 2.
On the basis of above-described embodiment, concrete, dam 3 also comprises: main stem flow channel 33 and main stem drainage gate 34, and main stem flow channel 33 is arranged on dam 3, and main stem drainage gate 34 is arranged on main stem flow channel 33.
It should be noted that, main stem drainage gate 34 and main stem flow channel 33 can be multiple, and one_to_one corresponding, quantity is identical.
Diversion channel gate 32 can open and close diversion channel flow channel 31, and main stem drainage gate 34 can open and close main stem flow channel 33; In the process using hydroelectric power system generating, if river is in the wet season, then while opening diversion channel gate 32, main stem drainage gate 34 can also be opened, make a part of current enter main stem by main stem flow channel 33, thus avoid generated energy too much, cause the wasting of resources; If river is in dry season, then while opening diversion channel gate 32, need to close main stem drainage gate 34, allow current only flow into diversion channel 2, promote waterwheel 12 and rotate, and then meet the electricity of required generating.
It should be noted that, diversion channel gate 32 and main stem drainage gate 34, when not needing generating, all be in closed condition, when needs generate electricity, multiple diversion channel gate 32 and multiple main stem drainage gate 34, can all open simultaneously, also can only open one of them or several; As the preferred scheme of one, a diversion channel gate 32 only can also open a part, such as: open half, 1/3rd or 1/4th, etc., thus realize the object regulating water flow size.
On the basis of above-described embodiment, particularly, as shown in Figure 5, the quantity of diversion channel 2 is two, and is separately positioned on the both sides in river course, can be arranged on the position near embankment.Like this under the prerequisite ensureing hydroelectric power system generated output, the difficulty of building diversion channel 2 can be reduced, reduce construction cost.
The hydroelectric power system working principle that the utility model provides is as follows: rely on diversion channel gate 32 to make current inject diversion channel 2, current produce enough potential energy through collecting with drop, thus promotion waterwheel 12 rotates, and the generator 11 that rotarily drives of waterwheel 12 generates electricity.Canal bank 21 evenly can be arranged side by side by multiple stage hydroelectric generator 1, improve the utilization ratio to current, electric motor power is doubled and redoubled.
On the basis of above-described embodiment, particularly, the power of generator 11, can carry out design selection according to parameters such as the average water yield in river and diversion channel 2 heads; The large I of the blade 121 of waterwheel 12 carries out matched design and type selecting according to the power of the water yield of diversion channel 2, flow rate of water flow and generator 11.
On the basis of above-described embodiment, particularly, hydroelectric power system can be built as the two bank of unit list bank, two-shipper list bank or two-shipper according to the size in river, etc. various ways; The blade 121 of waterwheel 12 can be designed as Dan Zusi sheet, two groups eight, Dan Zusan sheet or two groups six, etc. various ways.As shown in Figure 1, hydroelectric generator 1 is the design of two group eight, and as shown in Figure 5, hydroelectric power system is the design of the two bank of two-shipper.
The utility model additionally provides a kind of hydroelectric power system and to generate electricity by way of merging two or more grid systems method, particularly, comprises the following steps:
The rotating speed of hydroelectric generator 1 controls in preset range by S1, makes its output voltage stabilization;
The rotating speed of hydroelectric generator 1 is controlled in preset range by regulating the flow of current and/or the quantity of blade 121.
The electric energy that hydroelectric generator 1 produces by S2 through regulating voltage process, thus realizes generating electricity by way of merging two or more grid systems.
The electric energy produced, through the boosting of transformer, final realization is generated electricity by way of merging two or more grid systems.
Water flow is regulated by the open and close of diversion channel gate 32 and main stem drainage gate 34; Before generating, by the area of the blade 121 of waterwheel 12 and the size of required generated energy, calculate the quantity of required blade 121.
The use hydroelectric power system method of generating electricity by way of merging two or more grid systems that the present embodiment provides has the following advantages: owing to have employed as above provided hydroelectric generator 1, so the voltage that this hydroelectric power system can be made directly to export is comparatively stable, without the need to carrying out complicated regulating voltage process again, improve generating efficiency, cost-saving.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a hydroelectric generator, is characterized in that, comprising: waterwheel and generator, and described waterwheel comprises blade and waterwheel pto＝power take-off; Described generator comprises generator power input shaft; Described blade is arranged on described waterwheel pto＝power take-off, and described waterwheel pto＝power take-off is connected with described generator power input shaft.
2. hydroelectric generator according to claim 1, is characterized in that, described waterwheel also comprises bindiny mechanism, and described bindiny mechanism is fixedly installed on described waterwheel pto＝power take-off, and described blade is arranged in described bindiny mechanism removably.
3. hydroelectric generator according to claim 2, is characterized in that, described bindiny mechanism is clutch or electromagnetic coupler, and described clutch and described electromagnetic coupler are set on described waterwheel pto＝power take-off.
4. hydroelectric generator according to claim 3, is characterized in that, described blade is connected on described clutch or electromagnetic coupler.
5. the hydroelectric generator according to any one of claim 1-4, is characterized in that, the quantity of described generator is two, is separately positioned on the two ends of described waterwheel pto＝power take-off.
6. a hydroelectric power system, is characterized in that, comprising: the hydroelectric generator as described in any one of claim 1-5 and the diversion channel be arranged on river course, described diversion channel comprises canal bank, and described hydroelectric generator is arranged on described canal on the bank.
7. hydroelectric power system according to claim 6, is characterized in that, also comprises: dam, and described dam comprises diversion channel flow channel; Described diversion channel flow channel is connected with described diversion channel, and is positioned at the upstream of described diversion channel.
8. hydroelectric power system according to claim 7, is characterized in that, described dam also comprises diversion channel gate, and described diversion channel gate locating is on described diversion channel flow channel.
9. hydroelectric power system according to claim 8, it is characterized in that, described dam also comprises: main stem flow channel and main stem drainage gate, and described main stem flow channel is arranged on described dam, and described main stem drainage gate is arranged on described main stem flow channel.
10. the hydroelectric power system according to any one of claim 6-9, is characterized in that, described diversion channel quantity is two, and described diversion channel is separately positioned on the both sides in river course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520035256.6U CN204493056U (en) | 2015-01-19 | 2015-01-19 | A kind of hydroelectric generator and hydroelectric power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520035256.6U CN204493056U (en) | 2015-01-19 | 2015-01-19 | A kind of hydroelectric generator and hydroelectric power system |
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| Publication Number | Publication Date |
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| CN204493056U true CN204493056U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520035256.6U Expired - Fee Related CN204493056U (en) | 2015-01-19 | 2015-01-19 | A kind of hydroelectric generator and hydroelectric power system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043416A (en) * | 2019-05-31 | 2019-07-23 | 郑清军 | It is distributed the water generating system that declines |
| CN112228267A (en) * | 2020-09-22 | 2021-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Device and method for recycling sewage hydraulic energy and oxygenating in sewage plant |
-
2015
- 2015-01-19 CN CN201520035256.6U patent/CN204493056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043416A (en) * | 2019-05-31 | 2019-07-23 | 郑清军 | It is distributed the water generating system that declines |
| CN112228267A (en) * | 2020-09-22 | 2021-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Device and method for recycling sewage hydraulic energy and oxygenating in sewage plant |
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Granted publication date: 20150722 Termination date: 20170119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |