CN219435441U - Dome simulation device - Google Patents
Dome simulation device Download PDFInfo
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- CN219435441U CN219435441U CN202320151698.1U CN202320151698U CN219435441U CN 219435441 U CN219435441 U CN 219435441U CN 202320151698 U CN202320151698 U CN 202320151698U CN 219435441 U CN219435441 U CN 219435441U
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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
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Abstract
The utility model provides a dome simulation device, which comprises: the hemispherical dome frame comprises: the device comprises a circular arc-shaped main truss, dome connecting members and auxiliary circular ring trusses, wherein one end of the circular arc-shaped main truss is converged through the dome connecting members, and the other end of the circular arc-shaped main truss is divided into columns along the longitudinal direction; the auxiliary ring truss is connected with the circular arc-shaped main truss in the latitude direction and forms a hemisphere with the circular arc-shaped main truss; the component bracket is arranged on the inner side of the circular arc-shaped main truss, is distributed along the longitudinal direction and forms inner and outer sides with the circular arc-shaped main truss in the hemisphere through the dome connecting member; the solar simulation component is arranged on the component bracket; the test bed is arranged at the center of the sphere measured in the hemisphere; the adjustable light source component is arranged on the auxiliary circular truss; the control cabinet is arranged on the outer side of the hemisphere and is respectively connected with the adjustable light source component and the solar simulation component. The simulation accuracy can be improved.
Description
Technical Field
The utility model relates to the technical field of environmental simulation, in particular to a dome simulation device.
Background
In building design, the method is important for reasonable utilization of natural light lighting and sun sunshine hours. The full natural light lighting utilization can greatly reduce the application of artificial lighting, and the energy saving purpose is achieved. Likewise, reasonable sunlight utilization or reasonable sun shading is also one of important means for improving the comfort level of the building and achieving energy conservation and emission reduction. Wherein, the factors that influence the daylighting effect of building mainly include: the shape, position, size, etc. of the architectural lighting opening (window) mainly include: building lighting opening position, shape, size and adjacent building spacing (building spacing).
At present, in order to obtain the natural light lighting utilization efficiency and the solar sunlight hours of a building, before the building of an entity, a manual simulation zenith conforming to the international lighting association (CIE, international Commission on Illumination) standard sky mathematical model is constructed, a related lighting experiment is carried out on a building scale model placed in the artificial simulation zenith, and more scientific test data is obtained by adjusting different designs (building lighting opening sizes) of the building scale model, so that technical reference is provided for practical building design.
According to different natural light environment climate conditions, 15 different natural sky brightness distribution mathematical models are specified, and the artificial simulation of the zenith is designed based on the natural sky brightness distribution mathematical models. However, the current artificial simulation dome can only realize the adjustment of the light source brightness through the switching of the light source, or the lifting of the light source voltage, but in practical application, the brightness distribution of the sky is closely related to the altitude angle and azimuth angle of the sun, and changes along with the movement of the sun, namely the brightness of each point of the sky is closely related to the position of the sun, and is not fixed, and correspondingly changes along with the azimuth angle of the altitude angle of the sun, so that the adjustment of the light source brightness is realized through the switching of the light source, or the lifting of the light source voltage, and the simulation precision is lower.
Disclosure of Invention
In view of the above, the present utility model is directed to a dome simulation device for improving simulation accuracy.
In a first aspect, an embodiment of the present utility model provides a dome simulation apparatus, including: the device comprises a dome hemispherical frame, an adjustable light source component, a test bed, a solar simulation component, a component bracket and a control cabinet,
the dome hemisphere frame includes: the circular arc-shaped main truss, a dome connecting member and an auxiliary circular ring truss, wherein,
one end of each circular arc-shaped main truss is converged at the top end of the hemispherical body of the dome through a dome connecting member, and the other ends of the circular arc-shaped main trusses are arranged in rows along the longitudinal direction;
the auxiliary ring truss is connected with a plurality of circular arc-shaped main trusses in the latitude direction and forms a hemisphere with the circular arc-shaped main trusses;
the component bracket is arranged on the inner side of the circular arc-shaped main truss, is distributed along the longitudinal direction and forms inner and outer sides with the circular arc-shaped main truss in the hemisphere through the dome connecting member;
the solar simulation component is arranged on the component bracket;
the test bed is arranged at the center of the sphere measured in the hemisphere;
the adjustable light source component is arranged on the auxiliary circular truss towards the inner side of the hemisphere;
the control cabinet is arranged on the outer side of the hemisphere and is respectively connected with the adjustable light source component and the solar simulation component.
With reference to the first aspect, the embodiment of the present utility model provides a first possible implementation manner of the first aspect, where the circular arc main truss includes: the first arc-shaped main truss, the second arc-shaped main truss, the third arc-shaped main truss, the fourth arc-shaped main truss, the fifth arc-shaped main truss and the sixth arc-shaped main truss, the dome connecting members are hollow hexahedrons, each hexahedron is provided with a through hole for fixing the arc-shaped main truss, wherein,
one end of the first arc-shaped main truss, one end of the second arc-shaped main truss, one end of the third arc-shaped main truss, one end of the fourth arc-shaped main truss, one end of the fifth arc-shaped main truss and one end of the sixth arc-shaped main truss are respectively connected into the side bodies provided with through holes, and the other side of the side bodies form an array uniformly distributed on the largest circular surface of the hemispherical body.
With reference to the first possible implementation manner of the first aspect, the embodiment of the present utility model provides a second possible implementation manner of the first aspect, where the first arc-shaped main truss includes: the side surface body comprises a first side surface body, wherein,
one end of the first arc-shaped rod is connected into a first through hole of the first side surface body, one end of the second arc-shaped rod is connected into a second through hole of the first side surface body, one end of the third arc-shaped rod is connected into a third through hole of the first side surface body, one end of the fourth arc-shaped rod is connected into a fourth through hole of the first side surface body, and the first through hole, the second through hole, the third through hole and the fourth through hole are rectangular;
the other ends of the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are fixed on the supporting base;
the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are connected by the main supporting rod.
With reference to the first aspect, an embodiment of the present utility model provides a third possible implementation manner of the first aspect, where the method further includes:
at the maximum latitude, a double valve formed by a plurality of auxiliary circular trusses is arranged between two adjacent circular main trusses, the double valve comprises a first valve and a second valve, wherein,
the upper and lower positions of one side of the first valve are connected with a circular arc-shaped main truss through hinges, and the other side of the first valve is provided with a first opening handle;
the upper and lower positions of one side of the second valve are connected with the other circular arc-shaped main truss through hinges, and the other side of the second valve is provided with a second opening handle;
after the first valve and the second valve are closed, a hemispherical structure is formed by the first valve and the second valve and other auxiliary circular trusses.
With reference to the first aspect, the embodiment of the present utility model provides a fourth possible implementation manner of the first aspect, wherein the auxiliary circular truss includes a first circular truss, a second circular truss, and an auxiliary rod, wherein,
the first circular truss is connected with the inner circular arc truss in the latitude direction;
the second circular truss is connected with the outer circular arc truss in the latitude direction;
the auxiliary rod is connected with the first circular truss and the second circular truss so as to improve the stability of the auxiliary circular truss.
With reference to the first aspect, an embodiment of the present utility model provides a fifth possible implementation manner of the first aspect, wherein the adjustable light source assembly includes: the LED light source lamp comprises first LED light source lamp beads and second LED light source lamp beads, wherein the first LED light source lamp beads and the second LED light source lamp beads are distributed on each first circular ring truss at staggered equidistance, and the first LED light sources are arranged in the middle of the first LED light source lamp beads and the second LED light source lamp beads which are arranged on the adjacent first circular ring trusses.
With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present utility model provides a sixth possible implementation manner of the first aspect, wherein the first LED diffuse light source bead includes: a light source cover, an LED light source plate, a diffusion plate and a fixing ring, wherein,
the diffusion plate is arranged in the fixed ring, the LED light source plate is laid on the diffusion plate, the light source cover is screwed into the fixed ring, the diffusion plate and the LED light source plate which are arranged in the fixed ring are fixed, and the fixed ring is fixed on the auxiliary circular truss through the mounting bracket.
With reference to the first aspect, the embodiment of the present utility model provides a seventh possible implementation manner of the first aspect, wherein the solar simulation assembly includes: a solar simulation lamp, an altitude driving box, an altitude guide rail, an azimuth driving box and an azimuth guide rail, wherein,
the solar simulation lamp is arranged on the altitude driving box, the altitude driving box is arranged on the altitude guide rail, and the altitude guide rail is provided with a chute which is matched with the assembly bracket and can be glidingly fixed on the assembly bracket;
the azimuth driving box is arranged on the azimuth guide rail, the bottom end of the assembly support is fixed on the azimuth guide rail, a chute is arranged on the azimuth guide rail, and the chute is matched with an auxiliary circular ring truss at the maximum circular surface of the hemispherical body and can be slidably fixed on the auxiliary circular ring truss.
With reference to the seventh possible implementation manner of the first aspect, the embodiment of the present utility model provides an eighth possible implementation manner of the first aspect, wherein the solar simulator lamp includes: a reflecting cover, a supporting frame, a connecting rod, a light source generator and a lamp holder, wherein,
the reflecting cover is a concave mirror and is provided with internal threads;
one end of the support frame is provided with external threads matched with the internal threads of the reflecting cover;
one end of the connecting rod is fixed at the other end of the support frame, and the other end of the connecting rod is fixed on the lamp holder;
the light source generator is built in the lamp holder.
The dome simulation device provided by the embodiment of the utility model comprises: the device comprises a dome hemisphere frame, a tunable light source assembly, a test bed, a solar simulation assembly, an assembly bracket and a control cabinet, wherein the dome hemisphere frame comprises: the device comprises a plurality of circular arc-shaped main trusses, dome connecting members and auxiliary circular ring trusses, wherein one ends of the circular arc-shaped main trusses are converged at the top end of a hemispherical body of a dome through the dome connecting members, and the other ends of the circular arc-shaped main trusses are arranged in rows along the longitudinal direction; the auxiliary ring truss is connected with a plurality of circular arc-shaped main trusses in the latitude direction and forms a hemisphere with the circular arc-shaped main trusses; the component bracket is arranged on the inner side of the circular arc-shaped main truss, is distributed along the longitudinal direction and forms inner and outer sides with the circular arc-shaped main truss in the hemisphere through the dome connecting member; the solar simulation component is arranged on the component bracket; the test bed is arranged at the center of the sphere measured in the hemisphere; the adjustable light source component is arranged on the auxiliary circular truss towards the inner side of the hemisphere; the control cabinet is arranged on the outer side of the hemisphere and is respectively connected with the adjustable light source component and the solar simulation component. The solar simulation module can realize automatic change of the altitude angle and the azimuth angle of the solar simulation module, correspondingly regulate and control the adjustable light source module, and effectively improve the simulation precision.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic perspective view of a dome simulation device according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a dome simulation device according to an embodiment of the present utility model;
FIG. 3 shows a schematic diagram of a dome hemisphere frame structure provided by an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a tunable light source assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a solar simulation module according to an embodiment of the present utility model;
fig. 6 shows a schematic structural diagram of a solar simulation lamp according to an embodiment of the utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
The embodiment of the utility model provides a dome simulation device, and the following description is made through the embodiment.
Fig. 1 shows a schematic perspective view of a dome simulation device according to an embodiment of the present utility model;
fig. 2 shows a schematic cross-sectional structure of a dome simulation device according to an embodiment of the present utility model. As shown in fig. 1 and 2, the dome simulation apparatus includes: a dome hemisphere frame 11, an adjustable light source assembly 12, a test stand 13, a solar simulation assembly 14, an assembly bracket 15, a control cabinet 16, wherein,
the dome hemispherical frame 11 includes: a circular arc-shaped main truss 111, a dome connection member 112, and an auxiliary circular ring truss 113, wherein,
one end of the plurality of circular arc-shaped main trusses 111 is converged at the top end of the dome hemisphere by the dome connecting member 112, and the other end is arranged in rows along the longitudinal direction;
the auxiliary circular truss 113 is connected with a plurality of circular arc-shaped main trusses 111 in the latitude direction and forms a hemisphere with the circular arc-shaped main trusses 111;
the component bracket 15 is arranged on the inner side of the circular arc-shaped main truss 111, is distributed along the longitudinal direction, and forms inner and outer sides with the circular arc-shaped main truss 111 in a hemisphere through a dome connecting member 112;
the solar simulation module 14 is arranged on the module bracket 15;
the test bed 13 is arranged at the center of the sphere measured in the hemisphere;
the adjustable light source assembly 12 is disposed on the auxiliary ring truss 113 toward the inside of the hemisphere;
a control cabinet 16 is disposed outside of the hemisphere and is connected to the adjustable light source assembly 12 and the solar simulation assembly 14, respectively.
According to the embodiment of the utility model, through the structural design of the hemispheroids, the arrangeable area of the light source can be effectively increased, and the illuminance value of the test bed is greatly increased.
Fig. 3 shows a schematic diagram of a hemispherical dome frame structure according to an embodiment of the present utility model. As shown in fig. 3, in the embodiment of the present utility model, as an alternative embodiment, the number of circular arc-shaped main trusses is 6, including: the first, second, third, fourth, fifth and sixth arc main trusses 301, 302, 303, 304, 305, 306, the dome connection member 112 is a hollow hexahedron, on each of which a through hole 307 for fixing the arc main trusses is opened, wherein,
one ends of the first arc-shaped main truss 301, the second arc-shaped main truss 302, the third arc-shaped main truss 303, the fourth arc-shaped main truss 304, the fifth arc-shaped main truss 305 and the sixth arc-shaped main truss 306 are respectively connected into a side surface body 307 provided with through holes, and the other side forms an evenly distributed array at the largest circular surface of the hemispheroids.
In the embodiment of the utility model, the structures and the sizes of the first arc-shaped main truss, the second arc-shaped main truss, the third arc-shaped main truss, the fourth arc-shaped main truss, the fifth arc-shaped main truss and the sixth arc-shaped main truss are the same. As an alternative embodiment, the first curved main truss includes: the side surface body comprises a first side surface body, wherein,
one end of the first arc-shaped rod is connected into a first through hole of the first side surface body, one end of the second arc-shaped rod is connected into a second through hole of the first side surface body, one end of the third arc-shaped rod is connected into a third through hole of the first side surface body, one end of the fourth arc-shaped rod is connected into a fourth through hole of the first side surface body, and the first through hole, the second through hole, the third through hole and the fourth through hole are rectangular;
the other ends of the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are fixed on the supporting base;
the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are connected by the main supporting rod.
In an embodiment of the present utility model, as an alternative embodiment, the first arc-shaped rod and the third arc-shaped rod form an outer side of the hemisphere, and the second arc-shaped rod and the fourth arc-shaped rod form an inner side of the hemisphere.
In the embodiment of the utility model, at the preset position of the first arc-shaped rod, the first arc-shaped rod and the second arc-shaped rod are respectively connected by using the first main supporting rod, the first arc-shaped rod and the fourth arc-shaped rod are connected by using the second main supporting rod, the second arc-shaped rod and the third arc-shaped rod are connected by using the third main supporting rod, and the third arc-shaped rod and the fourth arc-shaped rod are connected by using the fourth main supporting rod.
In the embodiment of the present utility model, as an alternative embodiment, a plurality of auxiliary circular trusses disposed between two adjacent circular main trusses at the maximum latitude form a double shutter 17, the double shutter 17 includes a first shutter 171 and a second shutter 172, wherein,
the upper and lower positions of one side of the first shutter 171 are connected with a circular arc-shaped main truss 111 through hinges, and the other side is provided with a first opening handle;
the upper and lower positions of one side of the second valve 172 are connected with the other circular arc-shaped main truss 111 through hinges, and the other side is provided with a second opening handle;
after the first and second shutters 171 and 172 are closed, a hemispherical structure is formed with the other auxiliary ring truss 113.
In the embodiment of the present utility model, as an alternative embodiment, the number of auxiliary ring trusses arranged along the latitudinal direction is 17, and the ring included angle formed by two adjacent auxiliary ring trusses is 15 °. Meanwhile, the double valves formed by the open-type structural design can effectively improve the heat dissipation of the light source and the service life of the light source, and are convenient to maintain.
In the embodiment of the utility model, the inner diameter of the hemispheroids is 4 meters or 5 meters, the two-way opening doors with the light sources are arranged on one side, and the light sources on the two-way opening doors are distributed in the same way as other positions of the dome body, so that the complete hemispheroids are formed after the two-way opening doors are closed.
In an embodiment of the present utility model, as an alternative embodiment, the auxiliary circular truss 113 includes a first circular truss 114, a second circular truss 115, and auxiliary bars 116, wherein,
the first circular truss 114 is connected to the inner circular truss 111 in the latitudinal direction;
the second circular truss 115 is connected to the outer circular truss 111 in the latitudinal direction;
auxiliary rods 116 connect the first circular truss 114 and the second circular truss 115 to promote stability of the auxiliary circular truss 113.
In the embodiment of the utility model, six circular arc trusses form a main frame of an integral structure of an artificial simulation dome, and the main frame is an installation carrier of an auxiliary circular ring truss, and the auxiliary circular ring truss is fixed on the circular arc truss on the inner side.
In an embodiment of the present utility model, as an alternative embodiment, the adjustable light source assemblies are mounted on first circular trusses, and a plurality of adjustable light source assemblies are disposed on each first circular truss.
In the embodiment of the utility model, the adjustable light source component is a light emitting diode (LED, light Emitting Diode) diffusion light source lamp bead with adjustable brightness and color temperature, and a background light source is provided for the artificial simulation dome. As an alternative embodiment, the adjustable light source assembly comprises: the LED light source lamp comprises first LED light source lamp beads and second LED light source lamp beads, wherein the first LED light source lamp beads and the second LED light source lamp beads are distributed on each first circular ring truss at staggered equidistance, and the first LED light sources are arranged in the middle of the first LED light source lamp beads and the second LED light source lamp beads which are arranged on the adjacent first circular ring trusses.
In an embodiment of the present utility model, as an alternative embodiment, the first LED diffusion light source bead includes but is not limited to a 2700K color temperature LED bead, and the second LED diffusion light source bead includes but is not limited to a 6500K color temperature LED bead.
In the embodiment of the utility model, the light sources of the first LED diffusion light source lamp beads and the second LED diffusion light source lamp beads adopt independently controlled double groups of light sources, and the two control chips are respectively utilized for controlling the light sources, so that the adjustability of the brightness and the color temperature uniformity of the light sources can be effectively ensured.
In the embodiment of the utility model, the background light source of the dome is simulated manually, the LED lamp beads with the color temperature of 2700K and 6500K are uniformly distributed in a staggered way, and the accurate adjustment of the color temperature and the brightness of the light source is realized by using PWM control signals of the two groups of light sources. Therefore, the effect of video recording and photographing of the test model can be improved by controlling the color temperature.
In the embodiment of the present utility model, as an optional embodiment, the number of the first LED diffusion light source beads and the second LED diffusion light source beads is 60, and the total number is 120. The two groups of lamp beads are distributed at equal intervals in a staggered way, so that the uniformity of the illumination surface is realized to the greatest extent. Meanwhile, the inconsistency of single lamp beads can be effectively eliminated due to the large number of lamp beads.
In the embodiment of the utility model, the light source performance of the first LED diffusion light source lamp beads is consistent with that of the second LED diffusion light source lamp beads, the working conditions are synchronously controlled, and the two groups of light sources are independently controlled. For example, if the brightness is required to be adjusted to a certain set brightness, the corresponding color temperature is realized by feeding back and dynamically distributing the weights occupied by the two groups of light sources. As an alternative embodiment, the monitoring feedback of the chromatograph capable of simultaneously testing the brightness and the color temperature is compared with the set brightness and the set color temperature, and two groups of light source PWM control signals are output according to the comparison result to regulate the two groups of light sources.
Fig. 4 illustrates a split structure schematic diagram of a tunable light source assembly according to an embodiment of the present utility model. As shown in fig. 4, in an embodiment of the present utility model, as an alternative embodiment, a first LED diffuse light source bead (adjustable light source assembly) includes: a light source cover 401, an LED light source plate 402, a diffusion plate 403 and a fixing ring 404, wherein,
the diffusion plate 403 is built in the fixed ring 404, the LED light source plate 402 is laid on the diffusion plate 403, the light source cover 401 is screwed into the fixed ring 404, the diffusion plate 403 and the LED light source plate 402 built in the fixed ring 404 are fixed, and the fixed ring 404 is fixed on the auxiliary circular truss through the mounting bracket.
In the embodiment of the utility model, the diffusion plate is utilized to diffuse the light source emitted by the LED light source plate, so that the uniform diffusion of the light source can be realized, and the uniformity of brightness is ensured.
Fig. 5 shows a schematic structural diagram of a solar simulation module according to an embodiment of the utility model. As shown in fig. 5, in an embodiment of the present utility model, a solar simulation module includes: solar simulation light 501, altitude drive box 502, altitude guide 503, azimuth drive box 504, azimuth guide 505, wherein,
the solar simulation lamp 501 is installed on the altitude driving box 502, the altitude driving box 502 is installed on the altitude guide rail 503, a chute is arranged on the altitude guide rail 503, and the solar simulation lamp is matched with the component bracket and can be slidably fixed on the component bracket;
the azimuth driving box 504 is installed on the azimuth guide rail 505, the bottom end of the assembly bracket is fixed on the azimuth guide rail 505, a chute is arranged on the azimuth guide rail 505, and the assembly bracket is matched with and can be slidably fixed on an auxiliary circular truss at the maximum circular surface of the hemispherical body.
In the embodiment of the utility model, the component support is arranged on the inner side of the circular arc-shaped main truss, is distributed along the longitudinal direction, forms the inner side and the outer side of the hemisphere with the circular arc-shaped main truss through the dome connecting component, and the solar simulation component is arranged on the component support and is used for automatically controlling the elevation angle and the azimuth angle of the sun. Wherein, azimuth driving box and altitude angle driving box are interior, all are provided with driving motor.
In the embodiment of the utility model, the altitude guide rail is radially arranged, the azimuth guide rail is horizontally arranged, and the two light source mounting structures with adjustable degrees of freedom are formed through the guide rails arranged in the horizontal direction and the vertical direction, so that the solar simulation lamp can move and position arbitrarily in a preset range in a three-dimensional space, and the accurate arrangement of the light source on the spherical surface is realized.
In an embodiment of the present utility model, a light source of a dome includes: the device comprises a sky background light source and a solar light source, wherein the solar light source is arranged at different positions and corresponds to different brightness distribution of the sky background light source. In the embodiment of the utility model, the corresponding relation between the position of the solar light source and the brightness distribution of the sky background light source is constructed in advance.
In the embodiment of the utility model, the solar simulation lamp realizes real-time adjustment of different azimuth angles and altitude angles, and the starting position of the solar simulation lamp is preset and determined on the dome structure, namely, the solar simulation lamp is initialized to a default zero position (altitude angle 0 degrees, azimuth angle 0 degrees) when the solar simulation lamp is started in each simulation. After the target area is determined, the position of the dynamically moving solar simulation lamp is calculated through software, and the altitude motor and the azimuth motor are respectively driven by control signals output by the stepping motor to realize the movement of the solar simulation lamp; and dynamically calculating a brightness distribution matrix according to the position of the solar simulation lamp, and synchronously calling the stored light source control parameters, so that two groups of lamp beads are regulated and controlled to realize the corresponding regulation of brightness and color temperature.
In the embodiment of the utility model, a plurality of solar simulation lamps form a double-group adjustable light source matrix with unique IP addresses and continuously adjustable brightness and color temperature, and each solar simulation lamp carries out position numbering on the hemispherical dome body and corresponds to the IP addresses thereof one by one, so that accurate positioning is realized; the solar simulation lamp is moved up and down along the arc track to simulate the solar altitude angle, the arc track driven by the top motor horizontally rotates to simulate the solar azimuth angle, and therefore the solar motion track of all areas in China can be simulated. Further, the controller drives a control chip arranged in the solar simulation lamp, and the controller outputs different pulse width modulation (PWM, pulse Width Modulation) signals to realize accurate adjustment of the brightness and the color temperature of each solar simulation lamp light source, and simultaneously, according to the change of the movement track of the sun, the brightness values of each point light source of the first LED diffusion light source lamp bead and the second LED diffusion light source lamp bead are controlled to be correspondingly changed synchronously.
In the embodiment of the utility model, as an optional embodiment, an addressable control chip is arranged on a lamp panel of the solar simulation lamp, so that two groups of light sources of the first LED diffusion light source lamp beads and the second LED diffusion light source lamp beads are independently and respectively controlled, and the color temperature and the brightness of the light sources are simultaneously and accurately regulated by using PWM control signals of the two groups of light sources, thereby realizing the synchronous calculation and control of the brightness of the background dome of the solar simulation lamp at different altitude angles and different azimuth angles by accurately correlating the position of the solar simulation light with the background light source of the dome simulation, and realizing the synchronous simulation along with the position of the solar simulation light.
Fig. 6 shows a schematic structural diagram of a solar simulation lamp according to an embodiment of the utility model. As shown in fig. 6, in an embodiment of the present utility model, a solar simulation lamp includes: a reflector 601, a holder 602, a connecting rod 603, a light source generator 604, a lamp socket 605, wherein,
the reflecting cover 601 is a concave mirror and is provided with internal threads;
one end of the support 602 is provided with external threads for matching with the internal threads of the reflecting cover 601;
one end of the connecting rod 603 is fixed to the other end of the support 602, and the other end is fixed to the lamp holder 605;
the light source generator 604 is built into the lampholder 605.
In the embodiment of the utility model, the reflecting cover is arranged as the concave mirror, and the point light source is arranged near the focus by utilizing the parabolic reflection principle of the concave mirror, so that a parallel light source with a large irradiation area is realized.
In the embodiment of the utility model, the point light source generated by the light source generator is arranged at the focus of the reflecting cover by utilizing the parabolic reflection principle of the concave mirror, so that the output of the parallel light source with large irradiation area is realized. Compared with the convex lens, the weight can be effectively reduced, and the interference of light caused by the direct irradiation of the light source to the test bed is avoided.
In an embodiment of the present utility model, as an optional embodiment, a building model is fixed on a test stand, and a brightness sensor is further disposed on the test stand, where the control cabinet includes: a resolver, a solar energy simulation lamp height angle controller, a solar energy simulation lamp azimuth angle controller, an LED lamp bead controller and a pulse width modulator, wherein,
the analyzer is used for inquiring a prestored zenith mathematical model library according to the input zenith mathematical model name, acquiring input brightness and color temperature distribution, solar altitude distribution and altitude distribution, outputting the brightness distribution to the LED lamp bead controller, outputting the solar altitude distribution to the solar energy simulation lamp altitude controller and outputting the altitude distribution to the solar energy simulation lamp azimuth controller;
receiving brightness information sensed by the brightness sensor and outputting the brightness information to the LED lamp bead controller;
the solar energy simulation lamp height angle controller is used for calculating a height angle value to be adjusted according to the received solar height angle distribution and the current solar energy simulation lamp height angle and outputting the height angle value to the pulse width modulator;
the solar energy simulation lamp azimuth angle controller is used for calculating azimuth angle values to be adjusted according to the received solar azimuth angle distribution and the azimuth angle of the current solar energy simulation lamp and outputting the azimuth angle values to the pulse width modulator;
the LED lamp bead controller is used for respectively determining a rated first color temperature value and a rated first brightness value of the first LED diffusion light source lamp bead and a rated second color temperature value and a rated second brightness value of the second LED diffusion light source lamp bead according to the received brightness and color temperature distribution, the color temperature value of the first LED diffusion light source lamp bead and the color temperature value of the second LED diffusion light source lamp bead, and outputting the rated first color temperature value and the rated first brightness value to the pulse width modulator;
generating a brightness value to be adjusted according to the received brightness information and the brightness information corresponding to the brightness and color temperature distribution, and outputting the brightness value to a pulse width modulator;
the pulse width modulator is used for generating a height angle pulse width modulation signal according to the received height angle value to be adjusted and outputting the height angle pulse width modulation signal to the height angle driving box so that a driving motor in the height angle driving box drives the height angle guide rail to slide along the component bracket;
generating an azimuth pulse width modulation signal according to the received azimuth value to be adjusted, and outputting the azimuth pulse width modulation signal to an azimuth driving box so that a driving motor in the azimuth driving box drives an azimuth guide rail to slide along an auxiliary ring truss;
generating a color temperature first pulse width modulation signal and a brightness first pulse width modulation signal according to the received rated first color temperature value and rated first brightness value (determined according to the solar azimuth angle and the solar altitude angle), and outputting the color temperature first pulse width modulation signal and the brightness first pulse width modulation signal to a first LED diffusion light source lamp bead to adjust the color temperature and the brightness;
generating a color temperature second pulse width modulation signal and a brightness second pulse width modulation signal according to the received rated second color temperature value and the rated second brightness value, and outputting the color temperature second pulse width modulation signal and the brightness second pulse width modulation signal to a second LED diffusion light source lamp bead to regulate the color temperature and the brightness;
and generating a third pulse width modulation signal and a fourth pulse width modulation signal of the brightness according to the received brightness value to be adjusted, and respectively outputting the third pulse width modulation signal and the fourth pulse width modulation signal to the first LED diffusion light source lamp bead and the second LED diffusion light source lamp bead so as to adjust the brightness of the lamp bead and enable the brightness of the lamp bead to reach the brightness corresponding to the color temperature distribution.
In an embodiment of the present utility model, as an optional embodiment, the control cabinet further includes:
and the test bed controller is used for controlling the rotation of the test bed so as to adjust the orientation of the miniature building fixed on the test bed, thereby changing the shape, the position, the size and the like of the lighting opening of the miniature building.
According to the dome simulation device, the distribution uniformity of the light source can be realized, the light source simulating sky backlight is intelligent, each solar simulation lamp has an independent IP address, and full-automatic independent adjustment can be realized through the control cabinet, so that the color temperature of the dome background light source is continuously adjustable from 2700K-6500K, more test scene simulation is met, and dynamic follow-up simulation of the distribution of the background brightness of the solar simulation lamps and the dome is realized; the method solves the problem of automatic simulation of sky states and sunshine in all weather in different places, different dates and all-weather periods; the automatic acquisition of the brightness of the analog light source and the synchronous output of the adjustment parameters are solved, and the closed-loop full-automatic adjustment of the brightness is realized.
According to the embodiment of the utility model, the brightness distribution of 15 standard dome mathematical models specified by CIE can be accurately calculated through an algorithm built in the artificial simulation dome, and the LED light sources (lamp beads) corresponding to the surface elements of each position of the hemisphere are driven to achieve the required brightness, so that the mathematical model is changed into a physical brightness distribution simulation scene. Each standard dome mathematical model corresponds to a time-varying solar light source position and a corresponding brightness distribution, and the light sources output by the two groups of lamp beads are adjusted to conform to the brightness distribution.
According to the dome simulation device provided by the embodiment of the utility model, 120 LED lamp core matrixes are adopted to form a light source group, and the number of lamp cores is used for physical average, so that the consistency of light sources is ensured. Meanwhile, the brightness of the LED light source is digitally controlled by PWM, so that automatic control can be realized, the cost is reduced, and the circuit is simplified. Furthermore, the synchronous follow-up control of the solar simulation lamp and the background light source is adopted, so that dynamic simulation is realized. And based on 15 different natural sky brightness distribution mathematical models specified by CIE, the natural sky is regarded as a hemisphere, a dome simulation device is formed by using a double-door dome hemispherical frame, a tunable light source component, a test stand, a solar simulation component and a control cabinet, and the simulation of the natural light environment is realized by using an electromechanical computer control technology and controlling the cabinet tunable light source component and the solar simulation component, so that the full simulation of 15 natural sky brightness distribution mathematical models specified by CIE standard can be realized.
It should be noted that: like reference numerals and letters in the following figures denote like items, and thus once an item is defined in one figure, no further definition or explanation of it is required in the following figures, and furthermore, the terms "first," "second," "third," etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the foregoing examples are merely specific embodiments of the present application, and are not intended to limit the scope of the present application, but the present application is not limited thereto, and those skilled in the art will appreciate that while the foregoing examples are described in detail, the present application is not limited thereto. Any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or make equivalent substitutions for some of the technical features within the technical scope of the disclosure of the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the corresponding technical solutions. Are intended to be encompassed within the scope of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A dome simulation apparatus, comprising: the device comprises a dome hemispherical frame, an adjustable light source component, a test bed, a solar simulation component, a component bracket and a control cabinet,
the dome hemisphere frame includes: the circular arc-shaped main truss, a dome connecting member and an auxiliary circular ring truss, wherein,
one end of each circular arc-shaped main truss is converged at the top end of the hemispherical body of the dome through a dome connecting member, and the other ends of the circular arc-shaped main trusses are arranged in rows along the longitudinal direction;
the auxiliary ring truss is connected with a plurality of circular arc-shaped main trusses in the latitude direction and forms a hemisphere with the circular arc-shaped main trusses;
the component bracket is arranged on the inner side of the circular arc-shaped main truss, is distributed along the longitudinal direction and forms inner and outer sides with the circular arc-shaped main truss in the hemisphere through the dome connecting member;
the solar simulation component is arranged on the component bracket;
the test bed is arranged at the center of the sphere measured in the hemisphere;
the adjustable light source component is arranged on the auxiliary circular truss towards the inner side of the hemisphere;
the control cabinet is arranged on the outer side of the hemisphere and is respectively connected with the adjustable light source component and the solar simulation component.
2. The dome simulation apparatus of claim 1, wherein the circular arc shaped main truss comprises: the first arc-shaped main truss, the second arc-shaped main truss, the third arc-shaped main truss, the fourth arc-shaped main truss, the fifth arc-shaped main truss and the sixth arc-shaped main truss, the dome connecting members are hollow hexahedrons, each hexahedron is provided with a through hole for fixing the arc-shaped main truss, wherein,
one end of the first arc-shaped main truss, one end of the second arc-shaped main truss, one end of the third arc-shaped main truss, one end of the fourth arc-shaped main truss, one end of the fifth arc-shaped main truss and one end of the sixth arc-shaped main truss are respectively connected into the side bodies provided with through holes, and the other side of the side bodies form an array uniformly distributed on the largest circular surface of the hemispherical body.
3. The dome simulation apparatus of claim 2 wherein the first arcuate main truss comprises: the side surface body comprises a first side surface body, wherein,
one end of the first arc-shaped rod is connected into a first through hole of the first side surface body, one end of the second arc-shaped rod is connected into a second through hole of the first side surface body, one end of the third arc-shaped rod is connected into a third through hole of the first side surface body, one end of the fourth arc-shaped rod is connected into a fourth through hole of the first side surface body, and the first through hole, the second through hole, the third through hole and the fourth through hole are rectangular;
the other ends of the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are fixed on the supporting base;
the first arc-shaped rod, the second arc-shaped rod, the third arc-shaped rod and the fourth arc-shaped rod are connected by the main supporting rod.
4. The dome simulation apparatus of claim 1, further comprising:
at the maximum latitude, a double valve formed by a plurality of auxiliary circular trusses is arranged between two adjacent circular main trusses, the double valve comprises a first valve and a second valve, wherein,
the upper and lower positions of one side of the first valve are connected with a circular arc-shaped main truss through hinges, and the other side of the first valve is provided with a first opening handle;
the upper and lower positions of one side of the second valve are connected with the other circular arc-shaped main truss through hinges, and the other side of the second valve is provided with a second opening handle;
after the first valve and the second valve are closed, a hemispherical structure is formed by the first valve and the second valve and other auxiliary circular trusses.
5. The dome simulation apparatus of claim 1 wherein the auxiliary ring truss comprises a first ring truss, a second ring truss, and an auxiliary bar, wherein,
the first circular truss is connected with the inner circular arc truss in the latitude direction;
the second circular truss is connected with the outer circular arc truss in the latitude direction;
the auxiliary rod is connected with the first circular truss and the second circular truss so as to improve the stability of the auxiliary circular truss.
6. The dome simulation apparatus of claim 1 wherein the adjustable light source assembly comprises: the LED light source lamp comprises first LED light source lamp beads and second LED light source lamp beads, wherein the first LED light source lamp beads and the second LED light source lamp beads are distributed on each first circular ring truss at staggered equidistance, and the first LED light sources are arranged in the middle of the first LED light source lamp beads and the second LED light source lamp beads which are arranged on the adjacent first circular ring trusses.
7. The dome simulation apparatus of claim 6 wherein the first LED diffuse light source bead comprises: a light source cover, an LED light source plate, a diffusion plate and a fixing ring, wherein,
the diffusion plate is arranged in the fixed ring, the LED light source plate is laid on the diffusion plate, the light source cover is screwed into the fixed ring, the diffusion plate and the LED light source plate which are arranged in the fixed ring are fixed, and the fixed ring is fixed on the auxiliary circular truss through the mounting bracket.
8. The dome simulation apparatus of claim 1 wherein the solar simulation assembly comprises: a solar simulation lamp, an altitude driving box, an altitude guide rail, an azimuth driving box and an azimuth guide rail, wherein,
the solar simulation lamp is arranged on the altitude driving box, the altitude driving box is arranged on the altitude guide rail, and the altitude guide rail is provided with a chute which is matched with the assembly bracket and can be glidingly fixed on the assembly bracket;
the azimuth driving box is arranged on the azimuth guide rail, the bottom end of the assembly support is fixed on the azimuth guide rail, a chute is arranged on the azimuth guide rail, and the chute is matched with an auxiliary circular ring truss at the maximum circular surface of the hemispherical body and can be slidably fixed on the auxiliary circular ring truss.
9. The dome simulation apparatus of claim 8 wherein the solar simulation lamp comprises: a reflecting cover, a supporting frame, a connecting rod, a light source generator and a lamp holder, wherein,
the reflecting cover is a concave mirror and is provided with internal threads;
one end of the support frame is provided with external threads matched with the internal threads of the reflecting cover;
one end of the connecting rod is fixed at the other end of the support frame, and the other end of the connecting rod is fixed on the lamp holder;
the light source generator is built in the lamp holder.
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| CN116129729A (en) * | 2023-02-08 | 2023-05-16 | 北京世纪建通科技股份有限公司 | Dome simulation device |
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| CN116129729A (en) * | 2023-02-08 | 2023-05-16 | 北京世纪建通科技股份有限公司 | Dome simulation device |
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