CN201667166U - All-latitude sunlight and shadow simulating observer - Google Patents
All-latitude sunlight and shadow simulating observer Download PDFInfo
- Publication number
- CN201667166U CN201667166U CN2009202163775U CN200920216377U CN201667166U CN 201667166 U CN201667166 U CN 201667166U CN 2009202163775 U CN2009202163775 U CN 2009202163775U CN 200920216377 U CN200920216377 U CN 200920216377U CN 201667166 U CN201667166 U CN 201667166U
- Authority
- CN
- China
- Prior art keywords
- latitude
- shadow
- shadow rod
- date
- regulating system
- 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 - Lifetime
Links
Images
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses an optical instrument, and particularly relates to an all-latitude sunlight and shadow simulating observer used in optical design and energy-saving natural lighting research experiments of buildings and physical education experiments of buildings. The all-latitude sunlight and shadow simulating observer comprises a shadow rod adjusting device (1), an all-latitude adjusting system (2), a time and date adjusting system (3) and a base module (4). The all-latitude sunlight and shadow simulating observer can conduct no-hiding experiments in all-latitude degree, and can normally conduct experiments in a range of limited light spots; the height of the shadow rod can be adjusted at will; and the all-latitude sunlight and shadow simulating observer has high experimental accuracy, saves labor, and can be conveniently operated and positioned.
Description
Technical field
The present invention relates to a kind of optical instrument, specifically is a kind of simulation instrument at sunshine that belongs to building optics design and energy-conservation natural light daylighting development test and Architecural Physics education experiment.
Background technology
The heliograph of prior art, have plenty of intellectual, the likeness in form multimeter, memory function is arranged, but it can only record correlations such as intensity of illumination, its function is more single.By contrast, it is more practical still to have a heliograph of traditional structure.As shown in Figure 1, the heliograph of this traditional structure is made up of date axle, latitude axle 1.6, the time shaft 1.7 at set nut 1.2 places.The mutual coordinated of these parts, by rotate and then simulate the rotation and the revolution of the earth around each (time shaft, date axle, latitude axle), we just can record somewhere, one day, the some time buildings shade situation of change under solar light irradiation like this, the situation etc. of covering of indoor sunshine-duration, sunshine area and sunshading board, simultaneously, also available it observe the relation of direction of building and spacing.But because of its structure adopts the form (two end supports part 1.1,1.3,1.4 as shown in Figure 1) of two end supports more, there is the irrationality in the design in the heliograph of this traditional structure, and following defective is generally arranged:
Can be subjected to blocking of structure (two end supports part 1.1,1.3,1.4 as shown in Figure 1) itself when 1, in the part latitude scope, rotating, cause and to test in full latitude scope.
Though the full latitude (180 degree) of having realized that 2, has is regulated, workplace can exceed the limited hot spot scope that source of parallel light forms when different angle rotations, cause test can't carry out or experimental result inaccurate.
3, latch mechanism can not self-locking, as shown in Figure 1, realizes so-called self-locking by set nut 1.2 and friction force between the back up pad 1.3 fully when regulating the date, inconvenient operation, and be prone to loosening or misplace and cause experimental error.
The height of shadow rod can not be regulated (as shadow rod 1.5 among Fig. 1) continuously when 4, doing the experiment of excellent shadow, thereby experiment is restricted.
5, when producing bigger heliograph, the heliograph of traditional structure can be huger, heavy, can only rotate two end supports part (two end supports part 1.3 in as Fig. 1) and with top, this brings great inconvenience to operation when regulating the date.
The utility model content
The technical problems to be solved in the utility model is, overcomes the defective and the deficiency of above prior art, and a kind of heliograph that can carry out full latitude test, normally carry out, test the accuracy height and be convenient to operate in limited hot spot scope is provided.
Technical solution of the present utility model is, a kind of full latitude shadows cast by the sun at sunshine mock inspection instrument with following structure is provided, and comprises shadow rod regulating device, full latitude regulating system, time, date regulating system and base assembly four major parts.Described shadow rod regulating device (1) is connected by screw with full latitude regulating system (2); Described full latitude regulating system (2) is connected by screw with time, date regulating system (3); Described date regulating system (3) is connected by bearing with base assembly (4).
Wherein, described excellent shadow experimental provision, the height of its shadow rod can be regulated continuously.This than before shadow rod length determine, quantity is more, the shadow bar structure that can only change the complex operation of shadow rod when the differing heights requirement is arranged, when testing because of being satisfied with more easily, the shadow rod of this product, brought convenience to us to the requirement of shadow rod differing heights.Described full latitude regulating device, can not be subjected to blocking of structure self (two end supports part 1.1,1.3,1.4 as shown in Figure 1) and influence light conditions on the working panel, can carry out from 90 ° in south latitude to 90 ° of scopes of north latitude in arbitrarily latitude regulate and accurate location; Described time and date regulating device is convenient to watching and record of artificial operation and data, stands in the adjusting that instrument one side just can realize time, date and even latitude; Described base assembly, can firm support parts on it, auxiliary each parts are realized its function.
As improvement, the time shaft of this utility model product and the design of latitude axle are in approximate same plane, when carrying out the adjusting of latitude, time and date, working panel 2.1 range of movement are approximate to remain in the fixing space spheroid, so no matter how workplace moves and can guarantee that it is similar in limited hot spot scope, can too far not influence the carrying out of experiment, reduce experimental error greatly because of departing from hot spot.
As further improvement, the structure (this similar is in globe bracket) that described full latitude regulating device adopts 1/4 circular arc to connect the prolongation bracing frame vertical with time shaft (the rotation axis that is equivalent to the earth) substitutes traditional workplace supported on both sides structure (two end supports part 1.1,1.3,1.4 as shown in Figure 1), has solved the problem that shadow blocks well.
As further improving again, adopt the feed screw nut transmission to realize locking and self-locking, reduced the operation moment of torsion, improved transmission accuracy and self-lock ability greatly.This latch mechanism, reliable and stable, can self-locking, be convenient to operation, can reduce experimental error, make test accurately.
As further improving, spend cover mandrel rod mechanism tight and scale with lock to realize shadow rod arbitrary height adjusting even hiding very simply the installation of workplace backboard.
Full latitude shadows cast by the sun at sunshine mock inspection instrument of the present utility model compared with prior art has following remarkable advantage and beneficial effect:
1, because adding the prolongation bracing frame with the time axis normal, 1/4 circular arc that adopted stainless steel pipe to process comes the support works panel, this better simply structure not only provides bigger support strength, the more important thing is and effectively avoided support blocking workplace (be equivalent to will study geographic position).
2, adopt the feed screw nut transmission to regulate as " different date range " (sun is in Various Seasonal orientation with respect to earth surface) of entire working surface mechanism, utilize the characteristic of its ratio of gear big (being equivalent to mechanic jacks) to become multiple to reduce the operation moment of torsion, make the operator can carry out manual operation easily.In addition, the feed screw nut transmission itself has auto-lock function, locatees at any time, and the general screw thread of the pitch of leading screw is wanted greatly simultaneously, and transmission speed is also very fast.Not only solved the simplification of operation, also provide feasible scheme for making more large-scale equipment at sunshine.
3, the mechanism that adopts the workplace backboard that shadow rod slide-and-guide cover (indicating scale) and locking are installed has realized shadow rod arbitrary height quick adjustment when rod shadow (do sunshine use) and hiding (not needing the shadow rod when doing the architectural lighting model experiment) very quickly, and orienting sleeve (shadow rod seat) is marked with scale, can read the height of shadow rod with respect to workplace quickly and accurately, orienting sleeve has also guaranteed the verticality of shadow rod and workplace simultaneously.
4, the time shaft of entire mechanism (simulation earth's axis) approaches to pass the center of workplace, approximate and latitudinal axis is on same plane, make workplace when arbitrarily angled rotation, can both remain on substantially in the fixing space spheroid, can substantial deviation source of parallel light aperture, cause big error.
5, one-piece construction adopts human oriented design, and the operator stands in the adjusting that a side just can realize three parameters easily.
Description of drawings
Fig. 1 is the unitary side TV structure synoptic diagram of traditional structure heliograph;
Fig. 2 is the unitary side TV structure synoptic diagram of the utility model heliograph;
Fig. 3 is the shadow bar system package assembly synoptic diagram of the utility model heliograph;
Fig. 4 is the sectional view of the annexation of panel shown in the shadow bar system of the utility model heliograph and Fig. 5;
Fig. 5 is the package assembly synoptic diagram of the full latitude regulating system of the utility model heliograph;
Fig. 6 is the time of the utility model heliograph, the package assembly synoptic diagram of date regulating system;
Fig. 7 is the structural representation of the utility model heliograph base assembly;
Fig. 8 is the physical model synoptic diagram that the utility model heliograph base assembly, side plate and feed screw nut transmission are simplified.
Shown in the traditional structure heliograph figure
1.1, the two end supports frame, 1.2, set nut, 1.3, the two end supports frame, 1.4, the two end supports frame, 1.5, the shadow rod, 1.6, the latitude axle, 1.7, time shaft;
Shown in the utility model heliograph figure
1, shadow rod regulating device, 2, full latitude regulating system, 3, time, the date regulating system, 4, base assembly, 1.1, the shadow rod, 1.2, shadow rod seat (band scale), 1.3, lock-screw, 2.1, working panel, 2.2, the latitude dish, 2.3, the latitude axle, 2.4, dog screw, 2.5, the latitude pointer, 21, web joint, 22, bow, 23, connecting rod, 24, angle steel, 25, cross bar, 26, grillage, 3.1, clamping screw, 3.2, limited block, 3.3, time shaft, 3.4, time disk, 3.5, bearing, 3.6, the screw rod axle bed, 3.7, nut, 3.8, bearing, 3.9, side plate, 3.10, leading screw, 3.11, the nut axle bed, 3.12, screw, 3.13, handwheel, 3.14, screw, 3.15, nut seat, 3.16, nut, 3.17, packing ring, 3.18, spindle drum, 3.19, the date pointer, 3.20, the date axle, 3.21, time indicator, 4.1, main riser, 4.2, base, 41, index dial, 42,43 are axis hole.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 2, the utility model heliograph comprises shadow rod regulating device 1, full latitude regulating system 2, time, date regulating system 3 and base assembly 4 four major parts.Shadow rod regulating device 1 and full latitude regulating system 2 are connected by screw, and latitude regulating system 2 and time, date regulating system 3 are connected by screw entirely, and date regulating system 3 and base 4 are connected by bearing.Be characterized in:
Described shadow rod regulating device 1 comprises shadow rod seat 1.2, wear with shadow rod seat 1.2 in shadow rod 1.1 and be used for fixing the lock-screw 1.3 (referring to Fig. 3) of shadow rod 1.1.This structure makes the height regulated at will as required of shadow rod 1.1; This structure further characteristics is because shadow rod seat 1.2 is marked with scale, and this makes survey crew can read this moment shadow rod very easily to stretch out the height of working panel; Simultaneously, shadow rod seat 1.2 and 2.1 vertical connections of workplace, shadow rod seat 1.2 has also played the effect of guiding, has guaranteed that shadow rod 1.1 slides on the direction perpendicular to workplace 2.1, makes experiment more accurate.
Described full latitude regulating system 2 comprises the structure (as shown in Figure 1) that adopts two bows 22 and the parallel placement of two stands that two cross bars 25 are welded to replace traditional workplace two end supports, for guaranteeing the intensity of two parallel brackets, be welded between two parallel brackets with several connecting rods 23 and angle steel 24 and web joint 21, cross bar 25 welds together with grillage 26 again.This has just formed the simple and firm bracket component that is similar on the terrestrial globe.Latitude pointer 2.5 is fixed on the grillage 26, and bracket component and latitude pointer 2.5 can be regarded an integral body as like this; Described full latitude regulating system 2 also comprises: working panel 2.1 is (not shown among Fig. 5 with shadow rod regulating device 1, its details is referring to Fig. 3, Fig. 4) and latitude dish 2.2 be fixed together, this part is connected (two parts that are connected can produce relative motion) by latitude axle 2.3 with grillage 26, thereby realized that working panel 2.1 latitude dish 2.2 when latitude axle 2.3 rotates follows its rotation, and the overall fixed that latitude pointer 2.5 grades are partly formed is motionless, has realized that latitude pointer 2.5 points to different latitudes; After the latitude value of intending surveying was determined, available dog screw 2.4 was surveyed latitude with institute and is fixed; Described dog screw 2.4 passes latitude dish 2.2 and is screwed into grillage 26 (referring to Fig. 5).The characteristics of this kind structure are, when when workplace 2.1 is spent the full latitude scope of north latitude 90 degree from south latitude 90 in, rotating, can not be subjected to blocking of instrument self substantially and influence rayed situation on the workplace 2.1 (treating the object of observation), and simple in structure, easy to adjust.
Described time, date regulating system 3 (as shown in Figure 5) comprising: by time shaft 3.3 limited block 3.2, web joint 21, time indicator 3.21, time disk 3.4, bearing 3.5, spindle drum 3.18, packing ring 3.17, nut 3.16 are linked in sequence successively, this part (comprising full latitude regulating system 2) is done as a whole, the variation of time when its rotation can be simulated certain locality (by the latitude value decision), specific date; Clamping screw 3.1 is screwed into the locking of realization time in the hole on the time disk 3.4; The further characteristics of this structure are: leading screw 3.10 upper ends are connected on the screw rod axle bed 3.6 by nut 3.7, bearing 3.8, thereby are connected on the biside plate 3.9; The centre is connected on the nut axle bed 3.11 by nut seat 3.15, and nut axle bed 3.11 is connected with main riser 4.1 by axis hole 43 again, and handwheel 3.13 is connected by screw 3.14 with leading screw 3.10, and above-mentioned annexation has constituted the feed screw nut transmission; Simultaneously, date pointer 3.19 is fixed on the date axle 3.20, and date axle 3.20 is connected with main riser 4.1 by axis hole 42 again; Main riser 4.1 finally is screwed or is welded in (referring to Fig. 6) on the base 4.2.
When shaking handwheel 3.13, leading screw 3.10 is with respect to nut axle bed 3.11 setting in motions, this has just driven side plate 3.9 and coupled full latitude regulating system 2 is done as a whole around 3.20 rotations of date axle, at this moment, date pointer 3.19 can point to a certain date of main riser 4.1 high scale dishes 41 representatives.The difference of date pointer 3.19 indication positions is then represented the different dates.This motion simulation the variation on date when certain locality on the earth (by the latitude value decision), special time.
The further technical characterstic of this structure that the feed screw nut transmission forms is: this structure and main riser 4.1 and side plate 3.9 have constituted typical linkage assembly, and shown in Fig. 8 (sketch), on behalf of side plate 3.9,6.2,6.1 represent leading screw 3.10.The entire mechanism (gravity is G) that described time, date regulating system 3, shadow rod regulating device 1 and full latitude regulating system 2 form, its center of gravity all drops in two side plate 3.9 mechanisms, this linkage assembly is transformed into side plate 6.1/3.9 and time, date regulating system 3, shadow rod regulating device 1 and full latitude regulating system 2 as a whole around the rotation of date axle 3.20 with the swing of leading screw 6.2/3.10, has increased stability and support strength.From the mechanics angle analysis:
F×L
1＝G×L
2……………………………………………(1-1)
F＝G×L
2/L
1………………………………………… (1-2)
Because 6.1 range of movement with upper-part have determined L
1Always greater than L
2So by formula 1-2 as can be known: power F is always less than gravity G, and the structure of leading screw itself makes us only need littler power F
1Just can obtain size for the power of F grant on 6.1 (the screw pair utilization be inclined plane principle, thereby with the Texturized formation in inclined-plane screw thread, rotation is become translation, leading screw turns around and just up walks a pitch, thus laborsavingly do not economize merit, so F
1More much smaller than F).Here it is with very little power F
1Realize 6.1 and easily with the motion of upper-part (gravity is G).This structure has also made full use of the locking of leading screw 3.10 and the function of self-locking, has reduced the operation moment of torsion of system, has improved transmission accuracy, self-lock ability and stability greatly, and this provides good condition for we produce bigger heliograph.And traditional heliograph will be realized the adjusting of date disc and must manually move two end supports frame (two end supports part 1.3 as shown in Figure 1) and above parts thereof, the suffered gravity of parts is that much people just need to use great power, as seen effort relatively, and operation inconvenience, can not self-locking.
The utility model heliograph time shaft 3.3 approaches to pass the center of workplace 2.1, the axis of approximate and latitude axle 2.3 is on same plane, when this makes entire equipment work, workplace can both remain in the fixing space spheroid substantially when three parameters (latitude, date, time) were done any variation, and the hot spot scope that can the substantial deviation source of parallel light form causes big error to experiment.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model heliograph preferred embodiment.The utility model not only is confined to above embodiment, its concrete structure allows multiple variation, as: the described shadow rod regulating device 1 that can regulate height continuously can also be made and evenly be covered with aperture and calibrate on the shadow rod 1.1, shadow rod 1.1 pierces in the shadow rod seat 1.2 of semicircle hollow cylinder, is covered with aperture equally on shadow rod seat 1.2 cylinders and waits the height of locating shadow rod 1.1 for tiny register pin or draw point; The described holder part that is formed by two groups of bows 22 and cross bar 25 can be designed to suitable arc shaft-like or tubulose and cross bar shape or the transverse tube shape of single group intensity, perhaps is designed to steel plate form 1/4 arc structure or the like; Described support system, main riser can be designed to multiple shape, also can be welded on the base, and base also can be designed to the rectangular shape of rule or make weight and flat board that intensity is suitable or the like.
All in a word various variations of in the protection domain of the utility model product independent claims, being done, as long as promptly the utility model heliograph: the workplace backboard is installed the slide-and-guide cover can regulate height continuously for the shadow rod; The support that adopts 1/4 arc form to design waits avoids structure self shading light to shine; Utilize the locking of feed screw nut transmission and the variation that auto-lock function is located the date; Whole utility model heliograph time shaft approaches to pass the center of workplace, and the approximate and product of dimension axis in same plane is all in protection domain of the present utility model.
Claims (6)
1. full latitude shadows cast by the sun at sunshine mock inspection instrument is characterized in that: described scope comprises shadow rod regulating device (1), full latitude regulating system (2), time, date regulating system (3) and base assembly (4); Described shadow rod regulating device (1) is connected by screw with full latitude regulating system (2); Described full latitude regulating system (2) is connected by screw with time, date regulating system (3); Described date regulating system (3) is connected by bearing with base assembly (4).
2. full latitude shadows cast by the sun at sunshine mock inspection instrument according to claim 1 is characterized in that: described shadow rod regulating device (1) comprises shadow rod seat (1.2), be through at the shadow rod (1.1) in the shadow rod seat (1.2) and be used for fixing the lock-screw (1.3) of shadow rod (1.1); Described shadow rod seat (1.2) is marked with scale, can carry out reading; The excellent seat of described shadow (1.2) and vertical connection of workplace (2.1); Described shadow rod seat (1.2) makes shadow rod (1.1) be slidingly connected with workplace (2.1) is also vertical.
3. full latitude shadows cast by the sun at sunshine mock inspection instrument according to claim 2, it is characterized in that: described shadow rod regulating device (1) also can be and evenly is covered with aperture on the shadow rod (1.1) and indicates scale, correspondingly, also evenly be covered with aperture on the shadow rod seat (1.2), shadow rod (1.1) pierces in the shadow rod seat (1.2); Described aperture is used for the fixedly height of shadow rod (1.1) of register pin or draw point.
4. full latitude shadows cast by the sun at sunshine mock inspection instrument according to claim 1, it is characterized in that: described full latitude regulating system (2) comprises two bows of employing (22) and the parallel placement of two stands that two cross bars (25) are welded, and is welded between two parallel brackets with several connecting rods (23), angle steel (24) and web joint (21) between two parallel brackets; Described cross bar (25) welds together with grillage (26) again, and latitude pointer (2.5) is fixed on the grillage (26); Described full latitude regulating system (2) comprises that also working panel (2.1) and described shadow rod regulating device (1) and latitude dish (2.2) are fixed together, and are connected with grillage (26) by latitude axle (2.3) again; Dog screw (2.4) passes latitude dish (2.2) and is screwed into grillage (26) and fixes with the Position Latitude that will intend measuring.
5. full latitude shadows cast by the sun at sunshine mock inspection instrument according to claim 4, it is characterized in that: the described support that is formed by two groups of bows (22) and cross bar (25) also can be arc shaft-like and cross bar shape or arc tubulose and transverse tube shape, perhaps is the arc structure of steel plate form.
6. full latitude shadows cast by the sun at sunshine mock inspection instrument according to claim 1 is characterized in that: described time, date regulating system (3) comprise with time shaft (3.3) limited block (3.2), web joint (21), time indicator (3.21), time disk (3.4), bearing (3.5), spindle drum (3.18), packing ring (3.17), nut (3.16) are linked in sequence successively; Clamping screw (3.1) is screwed into the locking of realization time in the hole on the time disk (3.4); Described time, date regulating system (3) comprise that also leading screw (3.10) upper end is connected on the screw rod axle bed (3.6) by nut (3.7), bearing (3.8), thereby are connected on the biside plate (3.9); The centre is connected on the nut axle bed (3.11) by nut seat (3.15), and nut axle bed (3.11) is connected with main riser (4.1) by axis hole (43) again; Simultaneously, date pointer (3.19) is fixed on the date axle (3.20), and date axle (3.20) is connected with main riser (4.1) by axis hole (42) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202163775U CN201667166U (en) | 2009-04-13 | 2009-09-11 | All-latitude sunlight and shadow simulating observer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107304.2 | 2009-04-13 | ||
| CN200920107304 | 2009-04-13 | ||
| CN2009202163775U CN201667166U (en) | 2009-04-13 | 2009-09-11 | All-latitude sunlight and shadow simulating observer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667166U true CN201667166U (en) | 2010-12-08 |
Family
ID=43268126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202163775U Expired - Lifetime CN201667166U (en) | 2009-04-13 | 2009-09-11 | All-latitude sunlight and shadow simulating observer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201667166U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542876A (en) * | 2011-12-10 | 2012-07-04 | 刘安民 | Shadow change simulator |
| CN103632605A (en) * | 2013-11-27 | 2014-03-12 | 华中科技大学 | Experimental apparatus for sunlight projection simulation |
| CN104165605A (en) * | 2014-09-03 | 2014-11-26 | 常州天合光能有限公司 | Shadow measuring method in photovoltaic system design and shadow measuring instrument thereof |
| JP2020118898A (en) * | 2019-01-25 | 2020-08-06 | パナソニックホームズ株式会社 | Light source position determination device and solar radiation simulation method |
-
2009
- 2009-09-11 CN CN2009202163775U patent/CN201667166U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542876A (en) * | 2011-12-10 | 2012-07-04 | 刘安民 | Shadow change simulator |
| CN103632605A (en) * | 2013-11-27 | 2014-03-12 | 华中科技大学 | Experimental apparatus for sunlight projection simulation |
| CN104165605A (en) * | 2014-09-03 | 2014-11-26 | 常州天合光能有限公司 | Shadow measuring method in photovoltaic system design and shadow measuring instrument thereof |
| CN104165605B (en) * | 2014-09-03 | 2017-03-29 | 常州天合光能有限公司 | The method and its skiametry instrument of skiametry in photovoltaic system design |
| JP2020118898A (en) * | 2019-01-25 | 2020-08-06 | パナソニックホームズ株式会社 | Light source position determination device and solar radiation simulation method |
| JP7194029B2 (en) | 2019-01-25 | 2022-12-21 | パナソニックホームズ株式会社 | Light source position determination device and solar radiation simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201667166U (en) | All-latitude sunlight and shadow simulating observer | |
| CN103047960B (en) | Portable automatic multi-angle observation device | |
| CN103632605B (en) | A kind of experimental provision for sunlight projection simulation | |
| CN106840393A (en) | Portable field direction spectrum test device | |
| CN103557838A (en) | Portable farmland slope measurement device and measurement method | |
| CN205582352U (en) | Many function combination optical experiment support | |
| US8205346B1 (en) | Quasi-uniaxial solar trajectory tracking transit system | |
| CN206877582U (en) | A kind of new altitude of the sun visualizer | |
| CN104457815A (en) | Portable manual all-dimensional multi-angle observation scaffold | |
| CN207365867U (en) | A kind of civil engineering measuring scale | |
| CN202049669U (en) | Projective solar attitude and azimuth measuring instrument | |
| CN110823839B (en) | Asphalt pavement reflectivity testing device and method considering solar altitude angle difference | |
| CN203518996U (en) | Portable farmland slope measuring device | |
| CN204228185U (en) | Manual omnidirectional multi-angle observation frame | |
| CN107655821A (en) | Change the frequency modulation bascule of free damping frequency in a kind of low frequency mechanical spectrometer | |
| CN207600600U (en) | A kind of horizontal distribution photometer fixture | |
| CN106054937A (en) | Solar cell panel light elevation angle automatic following system | |
| CN209086687U (en) | The corona at adjustable sundial face inclination angle | |
| CN100383683C (en) | Equatorial sundial for time and solar term | |
| CN207910735U (en) | photovoltaic module power test device | |
| CN203053850U (en) | Plant canopy image acquisition auxiliary equipment | |
| CN202522670U (en) | All-time sunlight illumination simulation device | |
| CN210955833U (en) | Experimental globe | |
| CN203588580U (en) | Experimental device for sunshine projection simulation | |
| CN215376736U (en) | Simple dynamic demonstration teaching aid for earth movement teaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |