CN112908220B - Visual exhibit display method based on VR technology - Google Patents

Visual exhibit display method based on VR technology Download PDF

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CN112908220B
CN112908220B CN202110114799.7A CN202110114799A CN112908220B CN 112908220 B CN112908220 B CN 112908220B CN 202110114799 A CN202110114799 A CN 202110114799A CN 112908220 B CN112908220 B CN 112908220B
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exhibit
time
equipment
display
exhibits
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CN112908220A (en
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张小娥
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Shanghai Meichang Culture Technology Co ltd
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Shanghai Meichang Culture 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

Abstract

The invention discloses a visual exhibit display method based on VR technology, comprising the following steps: s1, three-dimensional scanning is carried out on an exhibit by using a three-dimensional scanner, and three-dimensional data of the exhibit are obtained; s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data; s3, performing dynamic environment modeling by using a computer to manufacture a real-time three-dimensional graph of the exhibit; s4, displaying and showing the generated and manufactured three-dimensional graph by using a display module; s5, judging whether the tourist wants to perform VR display on the exhibit according to the distance sensor and the timer; s6, selecting whether to send the VR equipment out of the display stand according to the judgment result, and providing the VR equipment for the tourists to wear; s7, forming a related data set of the exhibit according to the time and the frequency of VR exhibition of the exhibit by the tourist through the VR equipment; s8, judging whether the tourist returns the VR equipment or not by using the pressure sensor and the timer; and S9, timely alarming and reminding the illegal behavior without returning the VR equipment. 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
Along with the continuous development of society and the continuous progress of science and technology, people enter the modern society, and the development of the modern society leads people not to contact with traditional cultural relics and artworks, so the cultural relics and the artworks are displayed by utilizing an exhibition hall and are appreciated by people as common means;
along with the continuous progress of science and technology, the development of VR technique makes it possible not directly to show historical relics and artworks, simultaneously, can also let the visitor be on the spot to experience the historical trace of historical relics and artworks, and the current system that utilizes the VR technique to show historical relics and artworks has following problem when using:
1. the tourists cannot have the feeling of being personally on the scene without wearing VR equipment, and cannot really feel historical traces of cultural relics and artworks, but the tourists with low quality can steal the VR equipment by wearing the VR equipment, so that the infrastructure construction of the exhibition hall is seriously influenced;
2. the time that tourists in the exhibition hall enjoy each cultural relic and each artwork every day is inconsistent, and how to predict the number of tourists in a period of time in the future and the time for visiting each exhibit and how to reasonably distribute the exhibition time of each exhibit, so that the reasonable allocation of resources is realized, and the problem of amount to be solved is solved;
therefore, there is a need for a visual exhibit display system and method based on VR technology to solve the above problems.
Disclosure of Invention
The invention aims to provide a visual exhibit display system and method based on VR technology to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a visual exhibit display system based on VR technology comprises an information acquisition module, a control module, a display module, an execution module and a 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 gathering each item information data to backup and storage, and the calling and use in the later stage of being convenient for can predict tourist quantity and the time of appreciating every showpiece of a period of time in the future, control module is used for carrying out intelligent control and generating the VR three-dimensional model of showpiece to entire system, display module is used for showing the VR three-dimensional model of the showpiece that control module generated, execution module is used for carrying out the instruction that control module sent, install display module on the show 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, obtains the three-dimensional data of exhibit, and the later stage of being convenient for carries out three-dimensional modeling to the exhibit and handles, 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 the intention to carry out the appreciation of exhibit, pressure sensor is used for gathering weight, is used for judging whether return VR equipment.
According to the technical scheme, the control module comprises a PLC (programmable logic 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 controller is used for processing and calculating data collected by the distance sensor and the pressure sensor, the timer is used for recording time, and the computer is used for performing three-dimensional modeling on an exhibit according to three-dimensional data of the exhibit scanned by the three-dimensional scanner and classifying and storing information collected by the information collection module.
According to the technical scheme, the display module comprises VR equipment and display equipment;
the VR equipment and the display equipment are both electrically connected with a computer;
VR equipment is used for providing virtual reality's experience for the visitor, lets the visitor experience and experience the real exhibit in the virtual world, display device is used for showing the three-dimensional model of exhibit, and after the visitor appreciated the exhibit that display device shows, can select whether to utilize VR equipment to carry out the VR demonstration of exhibit, has avoided frequent wearing the damage that VR equipment led to the fact to it, can prolong the life of VR equipment.
According to the technical scheme, the execution module comprises an alarm device and an electric telescopic rod;
the alarm equipment and the electric telescopic rod are both electrically connected with the PLC;
the alarm device is used for alarming and reminding when an emergency situation occurs, and the emergency situation comprises: steal VR equipment, occupy action such as VR equipment for a long time, electric telescopic handle is used for seeing off VR equipment from the show stand is inside, supplies with the visitor and uses.
A visual exhibit display method based on VR technique includes the following steps:
s1, three-dimensional scanning is carried out on an exhibit by using a three-dimensional scanner, and three-dimensional data of the exhibit is obtained;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, performing dynamic environment modeling by using a computer to manufacture a real-time three-dimensional graph of the exhibit;
s4, displaying and showing the generated and manufactured three-dimensional graph by using a display module;
s5, judging whether the tourist wants to perform VR display on the exhibit according to the distance sensor and the timer;
s6, selecting whether to send the VR equipment out of the display stand according to the judgment result, and providing the VR equipment for the tourists to wear;
s7, forming a related data set of the exhibit according to the time and the frequency of VR exhibition of the exhibit by the tourist through the VR equipment;
s8, judging whether the tourist returns the VR equipment by using the pressure sensor and the timer;
and S9, timely alarming and reminding the illegal behavior of the VR equipment which is not returned.
According to the technical scheme, in the steps S1-S4, the three-dimensional scanner and computer-aided software are used for making the physical exhibit into a 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 timing time back 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 the tourist on the exhibit is high, the PLC controller controls the electric telescopic rod to extend, and the VR equipment is sent out from the inside of the display stand and supplied to the tourist for use;
when l is less than or equal to a and t is less than b, the tourist is shown to pass by the vicinity of the exhibit only and does not stay for too much time, the interest of the exhibit is not great, and the VR equipment does not need to be sent out from the inside of the display stand;
when l is more than a and t is more than or equal to b, the tourist is far away from the exhibit, the exhibit is not appreciated, and the VR equipment does not need to be sent out from the display platform;
when l is more than a and t is less than b, the tourists are indicated to just pass near the exhibit, and the tourists do not have the expectation of appreciating and do not need to send the VR equipment out of the inside of the display stand.
According to the above technical solution, the step S7 further includes the steps of:
p1, forming a set Q of exhibits according to all exhibits of the exhibition hall;
p2, forming a display time set T of the exhibits according to the time of VR display of all the exhibits in the exhibition hall every day k ；
P3, calculating the importance degree of the tourists of the exhibits in the exhibition hall according to the set data;
p4, reasonably distributing display resources of each exhibit according to different degrees of importance of the tourists to the exhibits;
in the steps P1 to 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 times and time set X according to the times and time of VR display of the exhibit each day k ＝{X 1 ,X 2 ,X 3 ,…,X n }，T k ＝{T 1 ,T 2 ,T 3 ,…,T n Where k denotes the number of days, X k Corresponding exhibit Q i Number of exhibitions per day, T i Corresponding exhibit Q i Total time of exhibition per day;
forming a set of times and time N = { X ] in a period of time according to the VR exhibition times and time set of the exhibit per day 1 ,X 2 ,X 3 ,…,X m }，M＝{T 1 ,T 2 ,T 3 ,…,T m Where m represents the number of days in a period of time;
forming a set Y = { Y ] of the showing times and time of the exhibit in a period of time according to the showing times and time of the exhibit VR 1 ,Y 2 ,Y 3 ,…,Y m }，Z＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }；
According to the formula:
Figure BDA0002913129270000071
Figure BDA0002913129270000072
calculating the average number of VR displays per day and the average time of VR displays per exhibit within a period of time;
according to the formula:
Figure BDA0002913129270000073
Figure BDA0002913129270000074
wherein G is k Represents the percentage of the number of times of browsing the ith exhibit by the tourists in all exhibits, H k Representing the percentage of time that the ith exhibit is viewed by the guest among all exhibits,
Figure BDA0002913129270000075
represents the average number of times of exhibition of the kth exhibit in a period of time,
Figure BDA0002913129270000076
the average exhibition time of the kth exhibit in a period of time is represented, and the exhibition stands for exhibiting the exhibits are reasonably distributed according to different attention degrees.
According to the above technical solution, in the steps S8-S9, the pressure value detected by the pressure sensor is
Figure BDA0002913129270000077
The time value recorded by the timer is t(s), the threshold point of the pressure sensor for detecting the pressure 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 timing time back to the PLC, and the PLC controls an execution module to execute operation;
when in use
Figure BDA0002913129270000078
When t is larger than or equal to d and l is larger than a, the visitor returns the VR equipment, the PLC controls the electric telescopic rod to contract, and the VR equipment is collected into the display platform;
when in use
Figure BDA0002913129270000081
When t is more than or equal to d and l is less than or equal to a, the tourists still use the VR equipment;
when in use
Figure BDA0002913129270000083
When t is larger than or equal to d and l is larger than a, the tourist is far away, and no VR equipment is returned, at the moment, the PLC controls the alarm equipment to give an alarm to remind a pedestrian who is not far away to return 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, whether can be according to near the show stand have the visitor, and the time that the visitor stopped near the show stand, make the judgement, the selectivity is seen off VR equipment from the inside of show stand, supply with the visitor and use, not only can reduce the space that the show stand occupy, and simultaneously, can also effectually prevent losing and the damage that drops and lead to of VR equipment, the number of times and the time length that utilize VR equipment to be seen off, help counting the number of times and the time that each showpiece was appreciated by the visitor, the number of times and the time of showpiece exhibition are adjusted to the later stage of being convenient for, realize the rational arrangement of resource.
2. Whether utilize pressure sensor to return and detect VR equipment, whether utilize distance sensor and time-recorder to have the visitor to detect before the show stand, can effectually prevent the stolen condition of VR equipment to, through alarm device, can be timely carry out timely warning to the stolen condition of VR equipment and remind.
3. Utilize VR equipment to show three-dimensional exhibit, not only can provide the experience of true appreciation historical relic and work of art for the visitor, simultaneously, avoided real historical relic and work of art to receive the damage at the in-process of exhibition, simultaneously, can also realize the sharing notion of exhibit for same historical relic or work of art can be in the city of difference and exhibition room exhibition, help the propagation of culture.
Drawings
Fig. 1 is a schematic diagram of module components of a visual exhibit display system based on VR technology according to the present invention;
FIG. 2 is a schematic diagram of module connection of a visual exhibit display system based on VR technology according to the present invention;
FIG. 3 is a schematic view of a display stand of a visual exhibit display system based on VR technology according to the present invention;
FIG. 4 is a front view of a display stand of a visual exhibit display system based on VR technology according to the present invention;
fig. 5 is a schematic layout diagram of a VR device of a visual exhibit display system based on VR technology;
fig. 6 is a schematic view of the installation of a pressure sensor of a visual exhibit display system based on VR technology;
FIG. 7 is a schematic flow chart illustrating steps of a visual exhibit displaying method based on VR technology according to the present invention;
fig. 8 is a schematic flow chart illustrating a step of a visual exhibit displaying method S7 based on VR technology according to the present invention;
fig. 9 is a flow chart of a visual exhibit displaying method based on VR technology.
1. A display stand; 2. a display device; 3. a retractable plate; 4. an electric telescopic rod; 5. a receiving groove; 6. a pressure sensor; 7. a VR device; 8. a distance sensor; 9. an alert device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a visual exhibit display system based on VR technology comprises 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;
information acquisition module is used for gathering each item information data, and backup and storage, the calling and use in the later stage of being convenient for, can predict tourist number and the time of appreciating every showpiece of a period of time in the future, control module is used for carrying out intelligent control and generating the VR three-dimensional model of showpiece to entire system, display module is used for showing the VR three-dimensional model of the showpiece that control module generated, execution module is used for carrying out the instruction that control module sent, install display module on the show stand 1.
1 top middle part fixed mounting of show stand has display device 2, display device 2 is a cylindrical display screen, 1 side top inside interlude of show stand has expansion plate 3, 3 one end fixed mounting of telescopic link has electric telescopic handle 4, electric telescopic handle 4 is used for driving expansion plate 3's extension and shrink, 3 upper surface middle parts of expansion plate have been seted up and have been accomodate groove 5, accomodate the inside bottom laminating in groove 5 and have pressure sensor 6, pressure sensor 6 is used for detecting the pressure value, accomodate inside the groove 5 and lay VR equipment 7, VR equipment 7 is a VR glasses, it has distance sensor 8 to lie in show stand one side fixed mounting of expansion plate 3 below, 3 both sides fixed mounting of expansion plate has alarm device 9, alarm device 9 is used for carrying out timely warning to the behavior of stealing, 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, and the later stage of being convenient for carries out three-dimensional modeling to the exhibit and handles, and distance sensor 8 is used for detecting the distance between visitor and 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, and pressure sensor 6 is used for gathering weight, is used for judging whether 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 data collected by the distance sensor 8 and the pressure sensor 6, the timer is used for recording time, and the computer is used for performing three-dimensional modeling on an exhibit according to three-dimensional data of the exhibit scanned by the three-dimensional scanner and classifying and storing information collected by the information collection 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 with a computer;
VR equipment 7 is used for providing virtual reality's experience for the visitor, lets the visitor experience and experience the real exhibit in the virtual world, and display device 2 is used for showing the three-dimensional model of exhibit, and after the visitor appreciated the exhibit that display device 2 shows, can select whether to utilize VR equipment 7 to carry out the VR demonstration of exhibit, has avoided frequent wearing VR equipment 7 to its damage that causes, 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 both electrically connected with the PLC;
the alarm device 9 is used for performing alarm reminding when an emergency occurs, and the emergency comprises: steal VR equipment 7, occupy action such as VR equipment 7 for a long time, electric telescopic handle 4 is used for seeing off VR equipment 7 from the inside of show stand 1, supplies with the visitor and uses.
As shown in fig. 7-9, a visual exhibit displaying method based on VR technology further includes the following steps:
s1, three-dimensional scanning is carried out on an exhibit by using a three-dimensional scanner, and three-dimensional data of the exhibit are obtained;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, performing dynamic environment modeling by using a computer, and making a real-time three-dimensional graph of the exhibit;
s4, displaying and showing the generated and manufactured three-dimensional graph by using a display module;
s5, judging whether the tourist wants to perform VR display of the exhibit or not 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 judgment result and supplying the VR equipment to the tourists for wearing;
s7, forming a related data set of the exhibit according to the time and the frequency of VR exhibition of the exhibit by the tourist through the VR equipment 7;
s8, judging whether the tourist returns the VR device 7 by using the pressure sensor 6 and the timer;
and S9, timely alarming and reminding the illegal behavior of the VR equipment 7 which is not returned.
And in the steps S1-S4, a three-dimensional scanner and computer-aided software are utilized to manufacture the real object exhibit into a three-dimensional model capable of performing VR display.
In 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 the 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 the tourist on the exhibit 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 platform 1 and supplied to the tourist for 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 the VR device 7 does not need to be sent out from the inside of the display stand 1;
when l is more than a and t is more than or equal to b, the tourist indicates that the tourist is far away from the exhibit, the exhibit is not appreciated, and the VR equipment 7 does not need to be sent out from the display platform 1;
when l > a and t < b, it indicates that the guest has just passed near the exhibit, and there is no desire to enjoy it, and there is no need to send the VR device 7 out of the inside of the display stand 1.
Step S7 further includes the steps of:
p1, forming a set Q of exhibits according to all exhibits in an exhibition hall;
p2, forming a display time set T of the exhibits according to the time of VR display of all the exhibits in the exhibition hall every day k ；
P3, calculating the importance degree of the tourists of the exhibits in the exhibition hall according to the set data;
p4, reasonably distributing display resources of each exhibit according to different degrees of importance of the tourists to the exhibits;
in the steps P1-P4, labels are added to each exhibit in the exhibition hall, set Q = { Q ] forming exhibit 1 ,Q 2 ,Q 3 ,…,Q n }；
Forming a times and time set X according to the times and time of VR display of the exhibit each day k ＝{X 1 ,X 2 ,X 3 ,…,X n }，T k ＝{T 1 ,T 2 ,T 3 ,…,T n In which k represents the number of days, X k Corresponding exhibit Q i Number of exhibitions per day, T i Corresponding exhibit Q i Total time of exhibition per day;
forming a set of times and time N = { X ] in a period of time according to the VR exhibition times and time set of the exhibit per day 1 ,X 2 ,X 3 ,…,X m }，M＝{T 1 ,T 2 ,T 3 ,…,T m Where m represents the number of days in a period of time;
forming a set Y = { Y ] of the showing times and time of the exhibit in a period of time according to the showing times and time of the exhibit VR 1 ,Y 2 ,Y 3 ,…,Y m }，Z＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }；
According to the formula:
Figure BDA0002913129270000151
Figure BDA0002913129270000152
calculating the average number of VR displays per day and the average time of VR displays per exhibit within a period of time;
according to the formula:
Figure BDA0002913129270000153
Figure BDA0002913129270000154
wherein G is k Represents the percentage of the number of times of browsing by the visitor of the ith exhibit among all exhibits, H k Represents the percentage of time that the ith exhibit is browsed by the visitor among all exhibits,
Figure BDA0002913129270000155
represents the average number of times of exhibition of the kth exhibit in a period of time,
Figure BDA0002913129270000156
the average exhibition time of the kth exhibit in a period of time is represented, and the exhibition stands for exhibiting the exhibits are reasonably distributed according to different attention degrees.
In steps S8-S9, the pressure sensor 6 detects a pressure value
Figure BDA0002913129270000157
The 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 the 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 the temperature is higher than the set temperature
Figure BDA0002913129270000161
When t is larger than or equal to d and l is larger than a, the visitor returns the VR equipment 7, the PLC controls the electric telescopic rod 4 to contract, and the VR equipment 7 is collected into the display platform 1;
when the temperature is higher than the set temperature
Figure BDA0002913129270000163
When t is more than or equal to d and l is less than or equal to a, the tourist indicates that the tourist continues to use the VR equipment 7;
when the temperature is higher than the set temperature
Figure BDA0002913129270000165
When t is more than or equal to d and l is more than a, the tourist is far away, and the VR device 7 is not returned, at the moment, the PLC controls the alarm device 9 to alarm and remind the pedestrians who are not far away to return the VR device 7 or not to be far away from the display stand 1.
The first embodiment is as follows:
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 the 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;
l is less than or equal to a, t is more than or equal to b, the interest of the tourist on the exhibit is high, the PLC controller controls the electric telescopic rod 4 to extend, the VR equipment 7 is sent out from the inside of the display platform 1 and is supplied to the tourist for use.
Example 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 the 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;
l > a and t < b, indicating that the guest has just passed near the exhibit and has no desire to enjoy it, without having to send the VR device 7 out of the inside of the display stand 1.
Example three:
labeling each exhibit in the exhibition hall to form a set Q = { Q = } of exhibits 1 ,Q 2 ,Q 3 ,…,Q n }＝{1,2,3,4,5}；
Forming a set of times and time according to the times and time of VR display of the exhibit each 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 exhibitions per day, T i Corresponding exhibit Q i Total time of exhibition per day;
forming a set of times and time N = { X ] in a period of time according to the VR exhibition times and time set of the exhibit per day 1 ,X 2 ,X 3 ,X 4 ,X 5 }，M＝{T 1 ,T 2 ,T 3 ,T 4 ,T 5 Where m represents the number of days in a period of time;
forming a set of exhibition times and time of the exhibit within a period of time according to the exhibition times and time of the VR of the exhibit
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:
a first exhibit:
Figure BDA0002913129270000181
Figure BDA0002913129270000182
a second exhibit:
Figure BDA0002913129270000191
Figure BDA0002913129270000192
a third exhibit:
Figure BDA0002913129270000193
Figure BDA0002913129270000194
a fourth exhibit:
Figure BDA0002913129270000195
Figure BDA0002913129270000196
a fifth exhibit:
Figure BDA0002913129270000197
Figure BDA0002913129270000198
calculating the average times and the average time of VR display in each day in one month of each exhibit;
according to the formula:
a first exhibit:
Figure BDA0002913129270000199
Figure BDA00029131292700001910
a second exhibit:
Figure BDA00029131292700001911
Figure BDA00029131292700001912
Figure BDA0002913129270000201
a third exhibit:
Figure BDA0002913129270000202
Figure BDA0002913129270000203
a fourth exhibit:
Figure BDA0002913129270000204
Figure BDA0002913129270000205
a fifth exhibit:
Figure BDA0002913129270000206
Figure BDA0002913129270000207
wherein, G k Showing the number of times of browsing by visitors of the ith exhibit among all exhibitsPercent, H k And the display stands for the exhibits are reasonably distributed according to different importance degrees, wherein the percentage of the browsing time of the ith exhibit by the tourists in all the exhibits is represented.
Through one-by-one comparison, the exhibits which are relatively concerned by the tourists are confirmed to be: a third exhibit, a fifth exhibit, a fourth exhibit, a second exhibit, and a first exhibit;
according to the different attention degrees of the exhibits by the tourists, the exhibition stands with different numbers are arranged to exhibit the exhibits.
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 attributes 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 following steps:
s1, three-dimensional scanning is carried out on an exhibit by using a three-dimensional scanner, and three-dimensional data of the exhibit are obtained;
s2, establishing a corresponding virtual environment model by using a computer according to the obtained three-dimensional data;
s3, performing dynamic environment modeling by using a computer, and making a real-time three-dimensional graph of the exhibit;
s4, displaying and showing the generated and manufactured three-dimensional graph by using a display module;
s5, judging whether the tourist wants to perform VR display on the exhibit according to the distance sensor and the timer;
s6, selecting whether to send the VR equipment out of the display stand according to the judgment result, and supplying the VR equipment to the tourists to wear;
s7, forming a related data set of the exhibit according to the time and the frequency of VR exhibition of the exhibit by the tourist through the VR equipment;
s8, judging whether the tourist returns the VR equipment or not by using the pressure sensor and the timer;
s9, timely alarming and reminding illegal behaviors of the VR equipment which are not returned;
the step S7 further includes the steps of:
p1, forming a set Q of exhibits according to all exhibits in an exhibition hall;
p2, forming a display time set Tk of the exhibits according to the VR display time of all the exhibits in the exhibition hall every day;
p3, calculating the importance degree of the tourists of the exhibits in the exhibition hall according to the set data;
p4, reasonably distributing display resources of each exhibit according to different degrees of importance of the tourists to the exhibits;
in the steps P1 to 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 times and time set X according to the times and time of VR display of the exhibit each day k ＝{X 1 ,X 2 ,X 3 ,…,X n }，T k ＝{T 1 ,T 2 ,T 3 ,…,T n Where k denotes the number of days, X k Corresponding exhibit Q i Number of exhibitions per day, T i Corresponding exhibit Q i Total time of exhibition per day;
forming a time set N = { X ] according to the VR exhibition times and time set of the exhibit 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 in a period of time;
forming a set Y = { Y ] of the showing times and time of the exhibit in a period of time according to the showing times and time of the exhibit VR 1 ,Y 2 ,Y 3 ,…,Y m }，Z＝{Z 1 ,Z 2 ,Z 3 ,…,Z m }；
According to the formula:
Figure DEST_PATH_IMAGE002
Figure DEST_PATH_IMAGE004
calculating the average number of VR displays per day and the average time of VR displays per exhibit within a period of time;
according to the formula:
Figure DEST_PATH_IMAGE006
wherein, G k Represents the percentage of the number of times of browsing the ith exhibit by the tourists in all exhibits, H k Represents the percentage of time that the ith exhibit is browsed by the visitor among all exhibits,
Figure DEST_PATH_IMAGE008
represents the average showing times of the k-th exhibit in a period of time,
Figure DEST_PATH_IMAGE010
the average exhibition time of the kth exhibit in a period of time is represented, and exhibition stands for the exhibits are reasonably distributed according to different attention degrees;
in the steps S8 to S9, the pressure value detected by the pressure sensor is
Figure DEST_PATH_IMAGE012
The timer records a time value t(s), the pressure sensor detects a pressure threshold point c (g), and the timer records a time threshold point d(s); the threshold point of the distance detected by the distance sensor is a (cm);
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 the execution module to execute operation;
when in use
Figure DEST_PATH_IMAGE014
When t is larger than or equal to d and l is larger than a, the visitor returns the VR equipment, the PLC controls the electric telescopic rod to contract, and the VR equipment is collected into the display platform;
when the temperature is higher than the set temperature
Figure DEST_PATH_IMAGE016
When t is more than or equal to d and l is less than or equal to a, the tourist indicates that the tourist continues to use VR equipment;
when in use
Figure DEST_PATH_IMAGE017
When t is larger than d and l is larger than a, the tourist is far away, and no VR equipment is returned, at the moment, the PLC controls the alarm equipment to alarm and remind pedestrians who are not far away to return the VR equipment or not to be far away from the vicinity of the display stand.
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