CN112862979B - Visual exhibit display method based on VR technology - Google Patents

Visual exhibit display method based on VR technology Download PDF

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Publication number
CN112862979B
CN112862979B CN202110114800.6A CN202110114800A CN112862979B CN 112862979 B CN112862979 B CN 112862979B CN 202110114800 A CN202110114800 A CN 202110114800A CN 112862979 B CN112862979 B CN 112862979B
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exhibit
equipment
display
time
dimensional
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CN112862979A (en
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张小娥
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Shenzhen New Ark Cultural Technology Co ltd
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Shenzhen New Ark Cultural Technology Co ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
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  • Theoretical Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a visual exhibit display method based on VR technology, which comprises the following steps: s1, performing three-dimensional scanning on an exhibit by using a three-dimensional scanner to obtain three-dimensional data of the exhibit; s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data; s3, carrying out dynamic environment modeling by using a computer, and manufacturing real-time three-dimensional graphics of the exhibits; s4, displaying and exhibiting the generated and manufactured three-dimensional graph by utilizing a display module; s5, judging whether the tourist wants to perform VR display of the exhibits according to the distance sensor and the timer; s6, selecting whether to send the VR equipment out of the display stand according to the judging result, and providing the VR equipment for tourists to wear; s7, forming an exhibit related data set according to the time and the times of VR display of the exhibits by using VR equipment by tourists; s8, judging whether the tourist returns the VR equipment or not by using the pressure sensor and the timer; s9, timely alarming and reminding the illegal behaviors of the VR equipment which are not returned. The invention is safe and convenient to use.

Description

Visual exhibit display method based on VR technology
Technical Field
The invention relates to the technical field of VR (virtual reality), in particular to a visual exhibit display method based on VR technology.
Background
With the continuous development of society and the continuous progress of technology, people walk into a modern society, and the development of the modern society enables people to be unable to contact with traditional cultural relics and artworks, so that the cultural relics and artworks are exhibited by using exhibition halls, and people are supplied with appreciation to be a common means, but as the value of the cultural relics and the artworks is precious, the cultural relics and the artworks are directly placed in the exhibition halls for exhibition, long-time light irradiation and contact with air can cause irrecoverable damage to the cultural relics and the artworks, and meanwhile, the exhibition of the real cultural relics and the artworks can only be carried out in one city or even in one exhibition hall, the sharing of the cultural relics and the artworks can not be achieved, the cultural relics and the artworks are exhibited in the form of pictures, and the historical trace can not be really perceived by tourists;
along with the continuous progress of science and technology, the development of VR technique makes it possible to not directly show historical relics and artworks, simultaneously, can also let the visitor experience historical trace of historical relics and artworks on the spot, and current system that utilizes the VR technique to show relics and artworks has following problem when using:
1. the tourists cannot wear the VR equipment to have the feeling of being on the scene, and cannot actually feel historical marks of cultural relics and artwork, but the tourists with low quality can steal the VR equipment when wearing the VR equipment, so that the infrastructure construction of the exhibition hall is seriously influenced;
2. the time that tourists enjoy each piece of cultural relics and artwork every day in the exhibition hall is inconsistent, how to predict the number of tourists in a period in the future and how to reasonably allocate the exhibition time of each piece of exhibit, so that the reasonable allocation of resources is realized, and the problem to be solved is solved;
therefore, there is an urgent need for a visual exhibit display system and method based on VR technology to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a visual exhibit display system and method based on VR technology, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the visual exhibit display system based on VR technology includes information acquisition module, control module, display module, execution module and display stand;
the output end of the information acquisition module is electrically connected with the input end of the control module, and the output end of the control module is electrically connected with the input ends of the display module and the execution module;
the information acquisition module is used for acquiring various information data, backing up and storing, facilitating later-period calling and use, predicting the number of tourists in a future period and the time for enjoying each exhibit, the control module is used for intelligently controlling the whole system and generating a VR three-dimensional model of the exhibit, the display module is used for displaying the VR three-dimensional model of the exhibit generated by the control module, the execution module is used for executing instructions sent by the control module, and the display module is installed on the display stand.
According to the technical scheme, the information acquisition module comprises a three-dimensional scanner, a distance sensor and a pressure sensor;
the output ends of the three-dimensional scanner, the distance sensor and the pressure sensor are electrically connected with the input end of the control module;
the three-dimensional scanner is used for scanning the exhibit to obtain the three-dimensional data of the exhibit, and the later stage of being convenient for carries out three-dimensional modeling processing to the exhibit, distance sensor is used for detecting the distance between visitor and the show stand for measure the distance between visitor and the show stand, and then judge whether the visitor has willingness to carry out the appreciation of the exhibit, pressure sensor is used for gathering weight, is used for judging whether to return VR equipment.
According to the technical scheme, the control module comprises a PLC controller, a timer and a computer;
the PLC is electrically connected with the timer, and the output end of the PLC is electrically connected with the input end of the computer;
the PLC is used for processing and calculating data acquired by the distance sensor and the pressure sensor, the timer is used for recording time, and the computer is used for carrying out three-dimensional modeling on the exhibits according to the three-dimensional data of the exhibits scanned by the three-dimensional scanner and classifying and storing the information acquired by the information acquisition module.
According to the technical scheme, the display module comprises VR equipment and display equipment;
the VR device and the display device are electrically connected with the computer;
the VR equipment is used for providing virtual reality's experience for the visitor, lets the visitor experience and feel the real exhibit in the virtual world, display device is used for showing the three-dimensional model of exhibit, and after the visitor appreciates the exhibit that display device shows, can select whether utilize VR equipment to carry out the VR of exhibit and show, avoided frequent damage that the VR equipment of wearing caused it, can prolong the life of VR equipment.
According to the technical scheme, the execution module comprises alarm equipment and an electric telescopic rod;
the alarm device and the electric telescopic rod are electrically connected with the PLC;
the alarm device is used for alarming and reminding when an emergency occurs, and the emergency comprises: the VR equipment is stolen, actions such as occupy VR equipment for a long time, electronic telescopic link is used for sending out VR equipment from the show stand is inside, supplies with the visitor to use.
A visual exhibit display method based on VR technology, the method also includes the following steps:
s1, performing three-dimensional scanning on an exhibit by using a three-dimensional scanner to obtain three-dimensional data of the exhibit;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, carrying out dynamic environment modeling by using a computer, and manufacturing real-time three-dimensional graphics of the exhibits;
s4, displaying and exhibiting the generated and manufactured three-dimensional graph by utilizing a display module;
s5, judging whether the tourist wants to perform VR display of the exhibits according to the distance sensor and the timer;
s6, selecting whether to send the VR equipment out of the display stand according to the judging result, and providing the VR equipment for tourists to wear;
s7, forming an exhibit related data set according to the time and the times of VR display of the exhibits by using VR equipment by tourists;
s8, judging whether the tourist returns the VR equipment or not by using the pressure sensor and the timer;
s9, timely alarming and reminding the illegal behaviors of the VR equipment which are not returned.
According to the technical scheme, in the steps S1-S4, the three-dimensional scanner and the computer-aided software are utilized to manufacture the real exhibit into the three-dimensional model capable of performing VR display.
According to the above technical solution, in the steps S5 to S6, the distance measured by the distance sensor is l (cm), the time recorded by the timer is t (S), the threshold point of the distance detected by the distance sensor is a (cm), and the threshold point of the time recorded by the timer is b (S);
the distance sensor transmits detection data to the PLC, the PLC controls a timer to start timing, the timer feeds back timing time to the PLC, and the PLC controls an execution module to execute operation;
when l is less than or equal to a and t is more than or equal to b, the interest of tourists on the exhibited article is high, and the PLC controls the extension of the electric telescopic rod to send out VR equipment from the inside of the exhibiting table for the tourists to use;
when l is less than or equal to a and t is less than b, the tourist only passes near the exhibit, and does not stay for too much time, the interest of the exhibit is not great, and VR equipment does not need to be sent out from the interior of the exhibiting table;
when l is more than a and t is more than or equal to b, the tourist is far away from the exhibit, and does not enjoy the exhibit, and VR equipment does not need to be sent out from the display stand;
when l > a and t < b, it indicates that the guest is simply passing near the exhibit and is not expected to enjoy, and VR devices do not need to be sent out from inside the display stand.
According to the above technical solution, the step S7 further includes the following steps:
p1, forming a set Q of exhibits according to all exhibits of an exhibition hall;
p2, forming a display time set T of the exhibits according to the time of each day VR display of all the exhibits in the exhibition hall k ；
P3, calculating the importance degree of tourists of the exhibits in the exhibition hall according to the set data;
p4, reasonably distributing the display resources of each exhibit according to different importance degrees of tourists on the exhibits;
in the steps P1-P4, a label is added to each exhibit in the exhibition hall to form a set Q= { Q of the exhibits 1 ,Q 2 ,Q 3 ,…,Q n }；
Forming a time and frequency set X according to the time and frequency of VR display of the exhibited item every day k ＝{X 1 ,X 2 ,X 3 ,…,X n }，T k ＝{T 1 ,T 2 ,T 3 ,…,T n (wherein k represents days, X) k Corresponding exhibit Q i Number of exhibits per day, T i Corresponding exhibit Q i Total time of day of display;
forming a time and time set N= { X in a period of time according to VR exhibition times and time sets of exhibits per day 1 ,X 2 ,X 3 ,…,X m }，M＝{T 1 ,T 2 ,T 3 ,…,T m -wherein m represents the number of days over a period of time;
forming a set Y= { Y of the number of times and time of exhibition in a period of time according to the number of times and time of exhibition VR of the exhibit 1 ,Y 2 ,Y 3 ,…,Y m }，Z＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }；
According to the formula:
calculating average times and average time of VR display per day in a period of time of each piece of exhibit;
according to the formula:
wherein G is k Representing the percentage of the browsing times of the i-th exhibit in all exhibits by tourists, H k Representing the percentage of the i-th exhibit in all exhibits that was viewed by the guest,representing the average number of exhibits over a period of time for the kth exhibit,/->The average showing time of the kth exhibited item in a period of time is represented, and the exhibited tables for exhibited items are reasonably distributed according to different importance degrees.
According to the above technical solution, in the steps S8 to S9, the pressure value detected by the pressure sensor isThe time value recorded by the timer is t(s), the threshold point of the pressure detected by the pressure sensor is c (g), and the threshold point of the time recorded by the timer is d(s);
the pressure sensor transmits detection data to the PLC, the PLC controls a timer to start timing, the timer feeds back timing time to the PLC, and the PLC controls an execution module to execute operation;
when (when)When t is more than or equal to d and l is more than a, indicating that the tourist returns the VR equipment, controlling the electric telescopic rod to shrink by the PLC, and collecting the VR equipment into the display stand;
when (when)When t is more than or equal to d and l is less than or equal to a, indicating that the tourist is still continuously using VR equipment;
when (when)When t is more than or equal to d and l is more than a, the tourist is far away, and the VR equipment is not returned, at the moment, the PLC controller controls the alarm equipment to carry out alarm reminding, and the pedestrian without far away is reminded to return to the VR equipment or not to be far away from the vicinity of the display stand.
Compared with the prior art, the invention has the beneficial effects that:
1. utilize distance sensor and time-recorder, can be according to whether there is the visitor near the show stand, and the visitor is at the time of stopping near the show stand, make the judgement, selectively send out VR equipment from the show stand is inside, supply the visitor to use, not only can reduce the space that the show stand occupy, simultaneously, the time and the duration that utilize VR equipment to be sent out to the damage that can also effectually prevent loss and dropping of VR equipment and lead to, help the statistics each exhibit to be appreciated by the visitor the time and the time, the later stage of being convenient for is adjusted the time and the time of exhibit exhibition, realize the rational configuration of resource.
2. Whether the VR equipment returns is detected by the pressure sensor, whether tourists exist in front of the display stand is detected by the distance sensor and the timer, the situation that the VR equipment is stolen can be effectively prevented, and timely alarm reminding can be carried out on the situation that the VR equipment is stolen through the alarm equipment.
3. The VR equipment is utilized to display three-dimensional exhibits, so that the experience of truly enjoying cultural relics and artwork can be provided for tourists, meanwhile, the real cultural relics and artwork are prevented from being damaged in the exhibiting process, meanwhile, the sharing concept of the exhibits can be realized, the same cultural relics or artwork can be exhibited in different cities and exhibition halls, and the propagation of culture is facilitated.
Drawings
FIG. 1 is a schematic diagram of the module composition of a visual exhibit display system based on VR technology of the present invention;
FIG. 2 is a schematic diagram of module connection of a visual exhibit display system based on VR technology;
FIG. 3 is a schematic diagram of a display stand of a visual exhibit display system based on VR technology of the present invention;
FIG. 4 is a front view of a display stand of a visual exhibit display system based on VR technology in accordance with the present invention;
fig. 5 is a schematic layout diagram of VR equipment in a VR technology-based visual exhibit display system of the present invention;
FIG. 6 is a schematic diagram of the installation of a pressure sensor of a visual exhibit display system based on VR technology of the present invention;
FIG. 7 is a schematic flow chart of steps of a visual exhibit display method based on VR technique;
fig. 8 is a schematic flow chart of steps of a visual exhibit display method S7 based on VR technology in the present invention;
fig. 9 is a block flow diagram of a visual exhibit display method based on VR technology of the present invention.
1. A display stand; 2. a display device; 3. a telescoping plate; 4. an electric telescopic rod; 5. a storage groove; 6. a pressure sensor; 7. a VR device; 8. a distance sensor; 9. an alarm device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, a visual exhibit display system based on VR technology, the system includes an information acquisition module, a control module, a display module, an execution module and a display stand 1;
the output end of the information acquisition module is electrically connected with the input end of the control module, and the output end of the control module is electrically connected with the input ends of the display module and the execution module;
the information acquisition module is used for acquiring various information data, backing up and storing, facilitating later-period calling and use, predicting the number of tourists and the time of enjoying each exhibit in future, the control module is used for intelligently controlling the whole system and generating a VR three-dimensional model of the exhibit, the display module is used for displaying the VR three-dimensional model of the exhibit generated by the control module, the execution module is used for executing instructions sent by the control module, and the display module is installed on the display stand 1.
Display device 2 is fixed mounting in middle part in show stand 1 top, display device 2 is a cylindrical display screen, inside interlude in show stand 1 side top has expansion plate 3, expansion plate 3 one end fixed mounting has electric telescopic handle 4, electric telescopic handle 4 is used for driving the extension and the shrink of expansion plate 3, accomodate groove 5 has been seted up at expansion plate 3 upper surface middle part, accomodate groove 5 inside bottom laminating has pressure sensor 6, pressure sensor 6 is used for detecting the pressure value, accomodate groove 5 inside and lay VR equipment 7, VR equipment 7 is a VR glasses, expansion plate 3 below is located show stand one side fixed mounting and has distance sensor 8, expansion plate 3 both sides fixed mounting has alarm device 9, alarm device 9 is used for carrying out timely warning to the theft and reminds, alarm device 9 is an alarm lamp.
The information acquisition module comprises a three-dimensional scanner, a distance sensor 8 and a pressure sensor 6;
the output ends of the three-dimensional scanner, the distance sensor 8 and the pressure sensor 6 are electrically connected with the input end of the control module;
the three-dimensional scanner is used for scanning the exhibit, obtains the three-dimensional data of exhibit, is convenient for later stage carries out three-dimensional modeling processing to the exhibit, and distance sensor 8 is used for detecting the distance between visitor and the show stand 1 for measure the distance between visitor and the show stand 1, and then judge whether the visitor has the wish to carry out the appreciation of exhibit, pressure sensor 6 is used for gathering weight, is used for judging whether to return VR equipment 7.
The control module comprises a PLC controller, a timer and a computer;
the PLC controller is electrically connected with the timer, and the output end of the PLC controller is electrically connected with the input end of the computer;
the PLC is used for processing and calculating the data acquired by the distance sensor 8 and the pressure sensor 6, the timer is used for recording time, the computer is used for carrying out three-dimensional modeling on the exhibits according to the three-dimensional data of the exhibits scanned by the three-dimensional scanner, and the PLC is also used for classifying and storing the information acquired by the information acquisition module.
The display module comprises a VR device 7 and a display device 2;
the VR device 7 and the display device 2 are both electrically connected to the computer;
the VR equipment 7 is arranged in providing virtual reality's experience for the visitor, lets the visitor experience and feel the real exhibit in the virtual world, and display device 2 is arranged in showing the three-dimensional model of exhibit, and after the visitor appreciates the exhibit that display device 2 shows, can select whether utilize VR equipment 7 to carry out the VR of exhibit and show, avoided frequent damage that VR equipment 7 caused it, can prolong VR equipment 7's life.
The execution module comprises an alarm device 9 and an electric telescopic rod 4;
the alarm device 9 and the electric telescopic rod 4 are electrically connected with the PLC;
the alarm device 9 is used for alarming when an emergency situation occurs, and the emergency situation comprises: theft of VR device 7, long-term occupancy of VR device 7, etc., and electric telescopic rod 4 is used for sending VR device 7 out of display stand 1 for use by tourists.
As shown in fig. 7-9, a visual exhibit display method based on VR technology, the method further includes the following steps:
s1, performing three-dimensional scanning on an exhibit by using a three-dimensional scanner to obtain three-dimensional data of the exhibit;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, carrying out dynamic environment modeling by using a computer, and manufacturing real-time three-dimensional graphics of the exhibits;
s4, displaying and exhibiting the generated and manufactured three-dimensional graph by utilizing a display module;
s5, judging whether the tourist wants to perform VR display of the exhibits according to the distance sensor 8 and the timer;
s6, selecting whether to send the VR equipment 7 out of the display stand 1 according to the judging result, and providing the VR equipment for tourists to wear;
s7, forming a related data set of the exhibits according to the time and the times of VR display of the exhibits by using the VR equipment 7 by tourists;
s8, judging whether the tourist returns the VR equipment 7 or not by using the pressure sensor 6 and the timer;
and S9, timely alarming and reminding the illegal action of the VR equipment 7 which is not returned.
In the steps S1-S4, a three-dimensional scanner and computer aided software are utilized to manufacture the exhibition of the real object into a three-dimensional model capable of performing VR display.
In the steps S5-S6, the distance measured by the distance sensor 8 is l (cm), the time recorded by the timer is t (S), the threshold point of the distance detected by the distance sensor 8 is a (cm), and the threshold point of the time recorded by the timer is b (S);
the distance sensor 8 transmits detection data to the PLC controller, the PLC controller controls the timer to start timing, the timer feeds back timing time to the PLC controller, and the PLC controller controls the execution module to execute operation;
when l is less than or equal to a and t is more than or equal to b, indicating that the interest of tourists on the exhibited article is high, the PLC controls the electric telescopic rod 4 to extend, and the VR equipment 7 is sent out from the inside of the display stand 1 and is used for the tourists;
when l is less than or equal to a and t is less than b, the tourist only passes near the exhibit and does not stay for too much time, the interest of the exhibit is not great, and the VR device 7 does not need to be sent out from the interior of the display stand 1;
when l is more than a and t is more than or equal to b, the tourist is far away from the exhibit, and does not enjoy the exhibit, and the VR equipment 7 does not need to be sent out from the display stand 1;
when l > a and t < b, it is indicated that the guest simply passes near the exhibit and does not have a desire to enjoy, the VR device 7 does not need to be sent from inside the display stand 1.
Step S7 further comprises the steps of:
p1, forming a set Q of exhibits according to all exhibits of an exhibition hall;
p2, forming a display time set T of the exhibits according to the time of each day VR display of all the exhibits in the exhibition hall k ；
P3, calculating the importance degree of tourists of the exhibits in the exhibition hall according to the set data;
p4, reasonably distributing the display resources of each exhibit according to different importance degrees of tourists on the exhibits;
in the steps P1-P4, a label is added to each piece of exhibits in the exhibition hall to form a set Q= { Q of exhibits 1 ,Q 2 ,Q 3 ,…,Q n }；
Forming a time and frequency set X according to the time and frequency of VR display of the exhibited item every day k ＝{X 1 ,X 2 ,X 3 ,…,X n }，T k ＝{T 1 ,T 2 ,T 3 ,…,T n (wherein k represents days, X) k Corresponding exhibit Q i Number of exhibits per day, T i Corresponding exhibit Q i Total time of day of display;
forming a time and time set N= { X in a period of time according to VR exhibition times and time sets of exhibits per day 1 ,X 2 ,X 3 ,…,X m }，M＝{T 1 ,T 2 ,T 3 ,…,T m -wherein m represents the number of days over a period of time;
forming a display in a period of time according to the times and time of the VR display of the exhibitsSet y= { Y of number of times and time 1 ,Y 2 ,Y 3 ,…,Y m }，Z＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }；
According to the formula:
calculating average times and average time of VR display per day in a period of time of each piece of exhibit;
according to the formula:
wherein G is k Representing the percentage of the browsing times of the i-th exhibit in all exhibits by tourists, H k Representing the percentage of the i-th exhibit in all exhibits that was viewed by the guest,representing the average number of exhibits over a period of time for the kth exhibit,/->The average showing time of the kth exhibited item in a period of time is represented, and the exhibited tables for exhibited items are reasonably distributed according to different importance degrees.
In steps S8-S9, the pressure value detected by the pressure sensor 6 isTiming deviceThe time value recorded by the timer is t(s), the threshold point of the pressure detected by the pressure sensor 6 is c (g), and the threshold point of the time recorded by the timer is d(s);
the pressure sensor 6 transmits detection data to the PLC, the PLC controls the timer to start timing, the timer feeds back timing time to the PLC, and the PLC controls the execution module to execute operation;
when (when)When t is more than or equal to d and l is more than a, indicating that the tourist returns the VR equipment 7, the PLC controls the electric telescopic rod 4 to shrink, and the VR equipment 7 is retracted into the display stand 1;
when (when)When t is more than or equal to d and l is less than or equal to a, the tourist is still continuously using the VR equipment 7;
when (when)When t is more than or equal to d and l is more than a, the tourist is far away, and the VR equipment 7 is not returned, at the moment, the PLC controller controls the alarm equipment 9 to carry out alarm reminding, and the pedestrian without far away is reminded to return to the VR equipment 7 or not to be far away from the vicinity of the display stand 1.
Embodiment one:
the distance measured by the distance sensor 8 is l=80 (cm), the time recorded by the timer is t=10(s), the threshold point of the distance detected by the distance sensor 8 is a=80 (cm), and the threshold point of the time recorded by the timer is b=10(s);
the distance sensor 8 transmits detection data to the PLC controller, the PLC controller controls the timer to start timing, the timer feeds back timing time to the PLC controller, and the PLC controller controls the execution module to execute operation;
l is less than or equal to a and t is more than or equal to b, which means that the interest of tourists in the exhibited article is high, the PLC controls the extension of the electric telescopic rod 4, and the VR equipment 7 is sent out from the inside of the exhibiting table 1 for the tourists to use.
Embodiment two:
the distance measured by the distance sensor 8 is l=100 (cm), the time recorded by the timer is t=10(s), the threshold point of the distance detected by the distance sensor 8 is a=80 (cm), and the threshold point of the time recorded by the timer is b=15(s);
the distance sensor 8 transmits detection data to the PLC controller, the PLC controller controls the timer to start timing, the timer feeds back timing time to the PLC controller, and the PLC controller controls the execution module to execute operation;
l > a and t < b, indicating that the guest is simply passing near the exhibit and not expected to enjoy, and does not need to send the VR device 7 from inside the display stand 1.
Embodiment III:
adding labels to each exhibit of the exhibition hall to form a set Q= { Q of the exhibits 1 ,Q 2 ,Q 3 ,…,Q n }＝{1,2,3,4,5}；
Forming a time and frequency set according to the time and frequency of VR display of the exhibit every day
X 1 ＝{X 1 ,X 2 ,X 3 ,…,X n }＝{12,15,25,18,21}；
X 2 ＝{X 1 ,X 2 ,X 3 ,…,X n }＝{15,16,24,15,16}；
X 3 ＝{X 1 ,X 2 ,X 3 ,…,X n }＝{16,20,35,21,23}；
X 4 ＝{X 1 ,X 2 ,X 3 ,…,X n }＝{10,12,26,21,16}；
X 5 ＝{X 1 ,X 2 ,X 3 ,…,X n }＝{11,16,29,18,19}；
T 1 ＝{T 1 ,T 2 ,T 3 ,…,T n }＝{60,85,125,90,112}；
T 2 ＝{T 1 ,T 2 ,T 3 ,…,T n }＝{72,86,121,86,96}；
T 3 ＝{T 1 ,T 2 ,T 3 ,…,T n }＝{75,90,156,112,96}；
T 4 ＝{T 1 ,T 2 ,T 3 ,…,T n }＝{52,73,115,96,86}；
T 5 ＝{T 1 ,T 2 ,T 3 ,…,T n }＝{62,85,135,115,105}；
Wherein k represents the number of days, X k Corresponding exhibit Q i Number of exhibits per day, T i Corresponding exhibit Q i Total time of day of display;
forming a time and time set N= { X in a period of time according to VR exhibition times and time sets of exhibits per day 1 ,X 2 ,X 3 ,X 4 ,X 5 }，M＝{T 1 ,T 2 ,T 3 ,T 4 ,T 5 -wherein m represents the number of days over a period of time;
forming a set of times and times of display in a period of time according to times and times of display VR
Y 1 ＝{Y 1 ,Y 2 ,Y 3 ,…,Y m }＝{12,15,16,10,11}；
Y 2 ＝{Y 1 ,Y 2 ,Y 3 ,…,Y m }＝{15,16,20,12,16}；
Y 3 ＝{Y 1 ,Y 2 ,Y 3 ,…,Y m }＝{25,24,35,26,29}；
Y 4 ＝{Y 1 ,Y 2 ,Y 3 ,…,Y m }＝{18,15,21,21,18}；
Y 5 ＝{Y 1 ,Y 2 ,Y 3 ,…,Y m }＝{21,16,23,16,19}；
Z 1 ＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }＝{60,72,75,52,62}；
Z 2 ＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }＝{85,86,90,73,85}；
Z 3 ＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }＝{125,121,156,115,135}；
Z 4 ＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }＝{90,86,112,96,115}；
Z 5 ＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }＝{112,96,96,86,105}；
According to the formula:
first piece of exhibits:
second piece of exhibits:
third piece of exhibits:
fourth piece of exhibits:
fifth piece of exhibits:
calculating average times and average time of VR display every day in one month of each piece of exhibits;
according to the formula:
first piece of exhibits:
second piece of exhibits:
third piece of exhibits:
fourth piece of exhibits:
fifth piece of exhibits:
wherein G is k Representing the percentage of the browsing times of the i-th exhibit in all exhibits by tourists, H k The display table for showing the i-th exhibit is reasonably distributed according to the percentage of the browsing time of tourists in all the exhibits and different importance degrees.
Through the comparison one by one, confirm that the visitor compares the showpiece of concern and is in proper order: third piece of exhibit, fifth piece of exhibit, fourth piece of exhibit, second piece of exhibit, first piece of exhibit;
according to the difference of the attention degree of the exhibited items by tourists, different numbers of display tables are arranged to display the exhibited items.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (1)

1. A visual exhibit display method based on VR technology is characterized in that: the method further comprises the steps of:
s1, performing three-dimensional scanning on an exhibit by using a three-dimensional scanner to obtain three-dimensional data of the exhibit;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, carrying out dynamic environment modeling by using a computer, and manufacturing real-time three-dimensional graphics of the exhibits;
s4, displaying and exhibiting the generated and manufactured three-dimensional graph by utilizing a display module;
s5, judging whether the tourist wants to perform VR display of the exhibits according to the distance sensor and the timer;
s6, selecting whether to send the VR equipment out of the display stand according to the judging result, and providing the VR equipment for tourists to wear;
s7, forming an exhibit related data set according to the time and the times of VR display of the exhibits by using VR equipment by tourists;
s8, judging whether the tourist returns the VR equipment or not by using the pressure sensor and the timer;
s9, timely alarming and reminding the illegal behaviors of the VR equipment which are not returned;
in the steps S1-S4, a three-dimensional scanner and computer aided software are utilized to manufacture the exhibition of the real object into a three-dimensional model capable of performing VR display;
in the steps S5-S6, the distance measured by the distance sensor is l (cm), the time recorded by the timer is t (S), the threshold point of the distance detected by the distance sensor is a (cm), and the threshold point of the time recorded by the timer is b (S);
the distance sensor transmits detection data to the PLC, the PLC controls a timer to start timing, the timer feeds back timing time to the PLC, and the PLC controls an execution module to execute operation;
when l is less than or equal to a and t is more than or equal to b, the interest of tourists on the exhibited article is high, and the PLC controls the extension of the electric telescopic rod to send out VR equipment from the inside of the exhibiting table for the tourists to use;
when l is less than or equal to a and t is less than b, the tourist only passes near the exhibit, and does not stay for too much time, the interest of the exhibit is not great, and VR equipment does not need to be sent out from the interior of the exhibiting table;
when l is more than a and t is more than or equal to b, the tourist is far away from the exhibit, and does not enjoy the exhibit, and VR equipment does not need to be sent out from the display stand;
when l > a and t < b, it indicates that the guest is simply passing near the exhibit and is not expected to enjoy, and VR devices do not need to be sent out from inside the display stand.
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