CN203324560U - Variable-focus Fresnel Lens focusing device - Google Patents
Variable-focus Fresnel Lens focusing device Download PDFInfo
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- CN203324560U CN203324560U CN2013203759467U CN201320375946U CN203324560U CN 203324560 U CN203324560 U CN 203324560U CN 2013203759467 U CN2013203759467 U CN 2013203759467U CN 201320375946 U CN201320375946 U CN 201320375946U CN 203324560 U CN203324560 U CN 203324560U
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- support arm
- fresnel lenses
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Abstract
The utility model relates to the technical field of solar application equipment and specifically relates to a variable-focus Fresnel Lens focusing device. The variable-focus Fresnel Lens focusing device comprises Fresnel Lenses, a support system, a mounting assembly and an adjusting system, wherein the support system comprises an outer support and an inner support, the inner support is arranged at an inner side of the outer support and can move relative to the outer support, a slide device is movably arranged on the inner support, the mounting assembly comprises a lens frame and a mounting frame, the Fresnel Lenses are fixedly arranged on the lens frame, the lens frame is rotatably arranged on the mounting frame, the mounting frame is rotatably arranged on the slide device, a rotation direction of the mounting frame is perpendicular to a rotation direction of the lens frame, and the adjusting system comprises a rotation adjusting assembly and a displacement adjusting assembly. Through the design, the lenses are mounted on the support system through the mounting assembly, angle rotation and vertical and horizontal adjusting of the lenses and the mounting assembly can be realized through the adjusting system, and thereby the variable-focus Fresnel Lens focusing device has a variable-focus function.
Description
Technical field
The utility model relates to the Application of Solar Energy equipment technical field, more particularly, and particularly a kind of varifocal Fresnel Lenses focuser.
Background technology
Current sun power utilization both domestic and external mainly contains photoelectricity and the large class of photo-thermal system two, no matter is electro-optical system or photo-thermal system, except the trail angle of adjusting sunshine, is outside one's consideration, and the focal length of its focuser is generally relatively-stationary.The focuser focal length can not zoom, the collection that makes sunshine is difficulty relatively, utilizing of sun power is relatively low.
The utility model content
The purpose of this utility model is to provide a kind of varifocal Fresnel Lenses focuser, to solve the problems of the technologies described above.
A kind of varifocal Fresnel Lenses focuser is provided in embodiment of the present utility model, include Fresnel Lenses, also comprise: mounting system, described mounting system includes support arm and inner support, described inner support is arranged at the inboard of described support arm, described inner support can carry out the movement with respect to described support arm, on described inner support, is provided with carriage, and described carriage is mounted slidably on described inner support, installation component, described installation component includes lens frame and erecting frame, described Fresnel Lenses is fixedly installed on described lens frame, described lens frame is arranged on described erecting frame rotationally, described erecting frame is arranged on described carriage rotationally, and the rotation direction of described erecting frame is vertical with the rotation direction of described lens frame, regulating system, described regulating system includes rotation adjusting part and displacement adjusting part, described rotation adjusting part includes the first propulsion system, the rotation engaged wheel, the first driving-belt that connects described the first propulsion system and described rotation engaged wheel, described the first propulsion system are arranged on described support arm, described rotation engaged wheel is arranged on described erecting frame rotationally, described displacement adjusting part includes the second propulsion system, the displacement engaged wheel, the second driving-belt that connects described the second propulsion system and described displacement engaged wheel, described the second propulsion system are arranged on described support arm, described displacement engaged wheel is arranged on described carriage.
By said structure, design, in the utility model, lens are installed on mounting system by installation component, regulating system can be carried out the adjusting on angle rotation and vertical and horizontal direction to lens and installation component, thereby the varifocal Fresnel Lenses focuser that makes the utility model provide has varifocal function.
The accompanying drawing explanation
Fig. 1 shows in the utility model the first embodiment the structural representation of the Fresnel Lenses that adopts the design of point focusing circular configuration;
Fig. 2 shows in the utility model the second embodiment the structural representation of the Fresnel Lenses that adopts the design of point focusing square structure;
Fig. 3 shows the structural representation that adopts the Fresnel Lenses of line focus structural design in the third embodiment of the utility model;
Fig. 4 shows the structural representation of lens frame in a kind of embodiment of the utility model;
Fig. 5 shows the structural representation of erecting frame in a kind of embodiment of the utility model;
Fig. 6 shows in the utility model the first embodiment the structural representation of the varifocal Fresnel Lenses focuser that adopts the arcuate structure design;
Fig. 7 shows in a kind of embodiment of the utility model the structural representation of the mounting system that adopts the arcuate structure design;
Fig. 8 shows the structural representation that adopts the varifocal Fresnel Lenses focuser of sector structural design in the utility model the second embodiment;
Fig. 9 shows the structural representation that adopts the varifocal Fresnel Lenses focuser of trapezoidal or Pagoda-shaped structural design in the third embodiment of the utility model;
In Fig. 1 to Fig. 9, the corresponding relation of component names and Reference numeral is:
Erecting frame 4; The second rotating shaft 41;
Top-support system 7;
Top adjusting part 8; The 3rd propulsion system 81; The 3rd driving-belt 82;
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 5
Get the Fresnel Lenses a(of circular, square, rectangle or other shapes following by Fresnel Lenses a referred to as lens) some, respectively lens are arranged in lens frame 3.Press eyeglass transparent surface vertical direction, determine that lens frame 3 outer ends can make eyeglass and lens frame 3 keep two fulcrums of balance, install respectively diameter and the first rotating shaft 31 that is of convenient length and can makes lens frame 3 freely rotate.
Be arranged on the particular location of focuser according to shape, size and the lens frame 3 of lens frame 3, make for the erecting frame 4 of lens frame 3 is installed.Erecting frame 4 slightly is wider than a lens frame, is longer than two above lens frame.Erecting frame 4 is provided with multiple row, and wherein, but every row erecting frame 4 arranged parallel or arc are settled two above lens frame 3.Erecting frame 4 minutes inner edges, outside and sides, after focuser is installed, one side near thermoreceptor be inner edge, otherwise be outside, outside both sides be side.Two edges of side and inner edge, device rotation engaged wheel 52 respectively.Two edges of side and outside, install respectively second rotating shaft 41 that can make erecting frame 4 rotations.On inside and outside limit, quantity by lens frame 3, be provided with the axis hole that lens frame 3 two ends the first rotating shafts 31 can be installed, and lens frame 3 two ends the first rotating shafts 31 are arranged in the axis hole on erecting frame 4 inside and outside limits, latch assembly is fixed, and makes lens frame 3 keep certain rotary freedom.
Please refer to Fig. 5 to Fig. 9
Also comprise: mounting system, mounting system includes support arm 1 and inner support 2;
According to requirements such as the shape of heated body, focuser light and heat collection amount, erecting frame arrangement mode, quantity, sizes, make support arm 1 and focuser inner support 2.From centre section, support arm 1 can be made the various shapes such as dome paraboloidal (as Fig. 6), splayed (as Fig. 9), door shape (as Fig. 8).
Installation component, installation component includes lens frame 3 and erecting frame 4, lens are fixedly installed on lens frame 3, lens frame 3 is arranged on erecting frame 4 rotationally, erecting frame 4 one ends are installed on rotation engaged wheel 52, the other end the second rotating shaft 41 is arranged on carriage 21 by displacement engaged wheel 62, and the rotation direction of erecting frame 4 is vertical with the rotation direction of lens frame 3.
Regulating system, regulating system includes rotation adjusting part 5 and displacement adjusting part 6.Rotation adjusting part 5 includes the first propulsion system 51, rotation engaged wheel 52, connects the first driving-belt 53 of the first propulsion system 51 and rotation engaged wheel 52; The first propulsion system 51 are arranged on support arm 1, and rotation engaged wheel 52 is arranged on erecting frame 4 rotationally.Displacement adjusting part 6 includes the second propulsion system 61, displacement engaged wheel 62, connects the second driving-belt 63 of the second propulsion system 61 and displacement engaged wheel 62; The second propulsion system 61 are arranged on support arm 1, and displacement engaged wheel 62 is arranged on carriage 21.
Mounting system is for mounted lens, make lens to fixedly mount, and can by other assemblies (such as installation component) carry out angle, highly, the adjusting of horizontal level etc., thereby make the lens of installing on mounting system can pass through this adjusting, realize converging and changing of focus.Mounting system includes support arm 1 and inner support 2.
When the utility model is installed, support arm 1 is fixedly installed on outside permanent structure body, guarantees the hard-wired stability of support arm 1, and support arm is skeleton and the fixed part of whole focuser.
The profile of inner support 2 is identical with support arm 1, but size is less than support arm, and has identical shaped top frame.Inner support 2 delocalizations are fixed, and multi-directional ball connector and runner are equipped with in the strut lower end that forms inner support 2, and runner is connected with connecting rod, and the strut lower end of support arm 1 is provided with gearing, the other end connection for transmission device of connecting rod.
Be provided with carriage 21 on inner support 2, carriage 21 can be in the enterprising line slip of inner support 2.Be provided with displacement slave unit 62 on carriage 21, when carriage 21 is slided with respect to inner support 2, gearshift 62 can drive the displacement that erecting frame 4 carries out on horizontal direction simultaneously, thereby make lens carry out vertical direction while moving with carriage 21, can realize that the displacement on horizontal direction is regulated simultaneously.
In the utility model, the acting as of installation component: the first, for mounted lens, make lens to be arranged on mounting system by installation component; The second, for lens are carried out to angular adjustment.Installation component includes lens frame 3 and erecting frame 4, lens are fixedly installed on lens frame 3, lens frame 3 is arranged on erecting frame 4 rotationally, and erecting frame 4 is arranged on carriage 21 rotationally, and the rotation direction of erecting frame 4 is vertical with the rotation direction of lens frame 3.By installation component is set, has realized lens rotating freely spatially, thereby made the lens to be adjusted according to the angle difference shined upon.
The acting as of adjusting part realized the adjusting with respect to inner support of lens frame 3 and erecting frame 4.Adjusting part includes rotation adjusting part 5 and displacement adjusting part 6.
Wherein,
The effect one of the first propulsion system 51 provides power for the rotation to lens frame 3; Effect two is first propulsion system 51 rotary tightening the first driving-belts 53.The first driving-belt 53 is connected with rotation engaged wheel 52, and rotation engaged wheel 52 is arranged on erecting frame 4, thereby an end that can make erecting frame 4 that rotation engaged wheel 52 is installed lifts or falls, and realizes the adjusting of erecting frame 4 anglecs of rotation.
The top of inner support 2 is provided with top-support system 7, and top-support system 7 down sets gradually ordered series of numbers and places side by side the erecting frame of formula or arc row formula for lens frame is installed.Inboard at inner support 2 is provided with thermoreceptor, and centered by thermoreceptor,, towards thermoreceptor, from top to bottom, arrange successively outward the erecting frame inboard.Form: the outer of substantially concordant top, the interior edge erecting frame of first row, the interior outer along concordant first row of secondary series, down analogize.Between every two row fixed mounts, spacing slightly is wider than the width of fixed mount self.
Be provided with chute on end face between two struts of formation inner support, the several carriages of device in chute, carriage one end is connected with gearing with connecting rod corresponding on support arm, lens frame fixed mount perpendicular displacement engaged wheel is installed on carriage, axis hole is left at the engaged wheel center, the rotating shaft of lens frame fixed mount is installed in the engaged wheel axis hole, and latch assembly is fixed, and the lens frame fixed mount can rotate freely and with the carriage upper and lower displacement.
When support arm and inner support employing portal structures, the utility model can also omit the use of inner support, adopts suspension rod to be connected with gearing and controls the lens frame fixed mount.The sensor information feedback assembly is installed on a shape outrigger.
Ground, focuser bottom or be provided with thermoreceptor a little more than ground location.
Thermoreceptor can be various shapes, can be also various operating mode types, as steam generator class, external combustion engine class and other types.
Thermoreceptor can be placed in the focuser bottom centre position, also can depart from the focuser bottom centre position.
Thermoreceptor can be fixed in the focuser bottom, but suitable not to be fixed as, thermoreceptor is installed on movable wheel carrier, is more conducive to the folding and unfolding of the whole parts of focuser.
Sunlight and temperature sensor are equipped with in the thermoreceptor outside.
Embodiment mono-
As shown in Figure 6 and Figure 7, particularly, in an embodiment of the present utility model, mounting system is limited: mounting system at least includes two, wherein, support arm 1 is for arcuate structure designs, and inner support 2 designs for arcuate structure, inner support 2 offers chute along its length, and carriage 21 is mounted slidably in chute.
When mounting system is provided with two, two mounting systems are positioned at same plane and are symmetrical arranged, and thermoreceptor is arranged at the symcenter place of mounting system.Support arm 1 is for arcuate structure designs, and described support arm 1 is towards its center of circle external application arcuate structure design, and here the center of circle refers to that a side in the center of circle of arc is oppositely arranged.
At this, it should be noted that, after inner support 2 is installed, carriage 21 is done sliding trajectory and is changed, and it has the change in displacement on vertical direction.
In the utility model, when carrying out the mounting system installation, top-support system 7 can also be set.
Particularly, top-support system 7 includes the first upper frame and the second upper frame, and the first upper frame is arranged at the end of support arm 1, and the second upper frame is arranged at the end of inner support 2; Regulating system also includes top adjusting part 8, and top adjusting part 8 comprises the 3rd propulsion system 81 and the 3rd driving-belt 82, and erecting frame is arranged on the second upper frame rotationally, and the 3rd propulsion system 81 are connected with erecting frame by the 3rd driving-belt 82.Top-support is arranged at the end of inner support 2 and support arm 1, and it adopts and is horizontally disposed with.The 3rd propulsion system 81 adopt servomotor or linear motor, and the 3rd propulsion system 81 rotations, can tighten up or loosen the 3rd driving-belt 82.Erecting frame is arranged on the second upper frame rotationally, the 3rd propulsion system 81 are connected with erecting frame by the 3rd driving-belt 82, when the 3rd driving-belt 82 tightens up or loosens, the angle of erecting frame is regulated, thereby realized that the lens of installing on top-support system 7 carry out focus adjustment.
Embodiment bis-
Please refer to Fig. 8, Fig. 8 shows the structural representation that adopts the varifocal Fresnel Lenses focuser of sector structural design in the utility model the second embodiment.
Particularly, in another embodiment of the present utility model, support arm 1 and inner support 2 are the sector structural design, on inner support 2, offer chute, and carriage 21 is mounted slidably in chute.
In said structure design, inner support 2 and support arm 1 be take the predeterminated position of thermoreceptor and are symmetrical arranged as symcenter.
From the center line section, support arm 1 shape is similar to doorframe structure in prior art.
Particularly, the utility model also includes top-support system 7, and top-support system 7 includes the first upper frame and the second upper frame, and the first upper frame is arranged at the end of support arm 1, and the second upper frame is arranged at the end of inner support 2; Regulating system also includes top adjusting part 8, and top adjusting part 8 comprises the 3rd propulsion system 81 and the 3rd driving-belt 82, and erecting frame is arranged on the second upper frame rotationally, and the 3rd propulsion system 81 are connected with erecting frame by the 3rd driving-belt 82.
In the present embodiment, top-support system 7 is identical with top-support system 7 structures in embodiment mono-, at this, will repeat no more.
Embodiment tri-
Please refer to Fig. 9, Fig. 9 shows the structural representation that adopts the varifocal Fresnel Lenses focuser of trapezoidal or Pagoda-shaped structural design in the third embodiment of the utility model.
In embodiment tri-, inner support 2 offers chute along its length, and carriage 21 is mounted slidably in chute.Offer chute, can make carriage 21 be slided along both fixed tracks.
In the present embodiment, also be designed with top-support system 7, top-support system 7 is identical with top-support system 7 structures in embodiment mono-, at this, will repeat no more.
Particularly, in described embodiment, inner support 2 is steel inner support 2, and support arm 1 is steel support arm 1.From the above, inner support 2 and support arm 1 all have the effect of mounted lens, in order to improve structural strength of the present utility model, guarantee reliability and stability that lens are installed, the utility model adopts steel to make support arm 1 and inner support 2, thereby improves the structural strength of inner support 2 and support arm 1.
Of the present utility model intelligent in order to improve, in described embodiment, intelligent control system 9 also is provided, intelligent control system 9 is arranged on mounting system, intelligent control system 9 has controller, actuator and ray tracing device, actuator all is connected with controller with the ray tracing device, and the ray tracing device can be followed the tracks of the sun and determine the position of the sun, and the ray tracing device can generate tracking signal and this tracking signal is sent on intelligent control system 9.Intelligent control system 9, according to tracking signal, is determined the regulation scheme of lens, and generates conditioning signal.This conditioning signal is performed device and accepts, and actuator is controlled to be connected with the regulating system signal and can to control it and started or stoped.
Focuser integral body can be done vertically, the rotation of tangential movement and angle.Each lens set more can be whole or be done separately vertical, tangential movement and angle rotation.All motions have all been controlled by tracker, information ultramagnifier and intelligent controller.
When the thermoreceptor present position, focal length is long or too short, inner support 2 meeting upper and lower displacement adjusting focal length distances, and thermoreceptor has departed from focal position, and focuser can be adjusted angle automatically, and follow-up is to optimum position.A certain arrangement of mirrors sheet focal distance or angular deflection, this lens set can be carried out displacement and angular setting automatically, remains pinpointed focus and angle.
When situation needs, thermoreceptor also can be done the position adjustment.
Night and sleet sky, can mobile thermoreceptor, eyeglass is dropped to ground and maintained, and then hides, and can improve like this transmittance of eyeglass and serviceable life and the focuser wind resistance ability of shaking, the reduce cost cost.
Present technique can be applied to horizontal parabola focuser, ring type and half-ring focuser, vault formula focuser, ball formula and hemispheric focuser and all kinds of reflective focuser.
Advantage of the present utility model
1, focal length is adjustable, and light harvesting and collecting efficiency are higher.
2, be more convenient for installation, maintenance and maintenance.
3, can ignore wind pulse, be beneficial to and reduce costs.
4, eyeglass longer service life.
5, be more conducive to large-scale industrialization.
6, be applicable to polytype and multiple focuser.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a varifocal Fresnel Lenses focuser, include Fresnel Lenses, it is characterized in that, also comprises:
Mounting system, described mounting system includes support arm and inner support, described inner support is arranged at the inboard of described support arm, described inner support can carry out the movement with respect to described support arm, be provided with carriage on described inner support, described carriage is mounted slidably on described inner support;
Installation component, described installation component includes lens frame and erecting frame, described Fresnel Lenses is fixedly installed on described lens frame, described lens frame is arranged on described erecting frame rotationally, described erecting frame is arranged on described carriage rotationally, and the rotation direction of described erecting frame is vertical with the rotation direction of described lens frame;
Regulating system, described regulating system includes rotation adjusting part and displacement adjusting part, described rotation adjusting part includes the first propulsion system, the rotation engaged wheel, the first driving-belt that connects described the first propulsion system and described rotation engaged wheel, described the first propulsion system are arranged on described support arm, described rotation engaged wheel is arranged on described erecting frame rotationally, described displacement adjusting part includes the second propulsion system, the displacement engaged wheel, the second driving-belt that connects described the second propulsion system and described displacement engaged wheel, described the second propulsion system are arranged on described support arm, described displacement engaged wheel is arranged on described carriage.
2. varifocal Fresnel Lenses focuser according to claim 1, it is characterized in that, described support arm designs for arcuate structure, and described inner support designs for arcuate structure, described inner support offers chute along its length, and described carriage is mounted slidably in described chute.
3. varifocal Fresnel Lenses focuser according to claim 2, it is characterized in that, also include the top-support system, described top-support system includes the first upper frame and the second upper frame, described the first upper frame is arranged at the end of described support arm, and described the second upper frame is arranged at the end of described inner support; Described regulating system also includes the top adjusting part, described top adjusting part comprises the 3rd propulsion system and the 3rd driving-belt, described erecting frame is arranged on described the second upper frame rotationally, and described the 3rd propulsion system are connected with described erecting frame by described the 3rd driving-belt.
4. varifocal Fresnel Lenses focuser according to claim 1, it is characterized in that, described support arm is the sector structural design, and described inner support is the sector structural design, offer chute on described inner support, described carriage is mounted slidably in described chute.
5. varifocal Fresnel Lenses focuser according to claim 4, it is characterized in that, also include the top-support system, described top-support system includes the first upper frame and the second upper frame, described the first upper frame is arranged at the end of described support arm, and described the second upper frame is arranged at the end of described inner support; Described regulating system also includes the top adjusting part, described top adjusting part comprises the 3rd propulsion system and the 3rd driving-belt, described erecting frame is arranged on described the second upper frame rotationally, and described the 3rd propulsion system are connected with described erecting frame by described the 3rd driving-belt.
6. varifocal Fresnel Lenses focuser according to claim 1, is characterized in that, described support arm is obliquely installed, and Formation cross-section is trapezoidal support; Described inner support is the straight rod-shaped structural design, and whole described inner supports are obliquely installed, and Formation cross-section is trapezoidal support.
7. varifocal Fresnel Lenses focuser according to claim 6, is characterized in that, described inner support and described support arm be arranged in parallel.
8. varifocal Fresnel Lenses focuser according to claim 7, is characterized in that, described inner support offers chute along its length, and described carriage is mounted slidably in described chute.
9. according to the described varifocal Fresnel Lenses focuser of claim 1 to 8 any one, it is characterized in that, also include intelligent control system, described intelligent control system is arranged on described mounting system, described intelligent control system has controller, actuator and ray tracing device, described actuator all is connected with described controller signals with described ray tracing device, and described actuator is connected with described regulating system signal and can controls it and start or stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203759467U CN203324560U (en) | 2013-06-27 | 2013-06-27 | Variable-focus Fresnel Lens focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203759467U CN203324560U (en) | 2013-06-27 | 2013-06-27 | Variable-focus Fresnel Lens focusing device |
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| Publication Number | Publication Date |
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| CN203324560U true CN203324560U (en) | 2013-12-04 |
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| CN2013203759467U Expired - Lifetime CN203324560U (en) | 2013-06-27 | 2013-06-27 | Variable-focus Fresnel Lens focusing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309012A (en) * | 2013-06-27 | 2013-09-18 | 毛建华 | Variable-focus Fresnel lens focuser |
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2013
- 2013-06-27 CN CN2013203759467U patent/CN203324560U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309012A (en) * | 2013-06-27 | 2013-09-18 | 毛建华 | Variable-focus Fresnel lens focuser |
| CN103309012B (en) * | 2013-06-27 | 2015-07-01 | 毛建华 | Variable-focus Fresnel lens focuser |
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| AV01 | Patent right actively abandoned |
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| RGAV | Abandon patent right to avoid regrant |