CN117459891A - Museum environment monitoring and positioning system and method - Google Patents
Museum environment monitoring and positioning system and method Download PDFInfo
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- CN117459891A CN117459891A CN202311226173.0A CN202311226173A CN117459891A CN 117459891 A CN117459891 A CN 117459891A CN 202311226173 A CN202311226173 A CN 202311226173A CN 117459891 A CN117459891 A CN 117459891A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 159
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- 230000007613 environmental effect Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 16
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- 238000004364 calculation method Methods 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 9
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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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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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a museum environment monitoring and positioning system and method, comprising a plurality of environment monitoring and positioning terminals, wherein the environment monitoring and positioning terminals are used for acquiring environment monitoring parameters of all monitoring points and acquiring three-dimensional positioning parameters of corresponding monitoring points; the wireless self-organizing network repeater is used for enhancing and forwarding signals sent by the environment monitoring and positioning terminal to the wireless self-organizing network gateway; the wireless self-networking gateway transmits the data acquired by the environment monitoring and positioning terminal to the environment monitoring and positioning platform; the environment monitoring and positioning platform generates a spatial distribution diagram of each area of the museum according to the acquired environment monitoring parameters and the three-dimensional positioning parameters; the equipment layout process is simplified through automatic positioning, the environment monitoring data of the corresponding positions of the monitoring points of the museum are monitored and displayed in real time, the monitoring efficiency and accuracy are improved, and powerful support is provided for protecting cultural relics of the museum.
Description
Technical Field
The invention relates to the technical field of monitoring and positioning of museum environments, in particular to a monitoring and positioning system and a method of the museum environments.
Background
The environmental conditions inside the museum are critical to the protection of the cultural relics in the museum, the sensitivity of the cultural relics to the environment is high, and the cultural relics are possibly corroded, discolored, deformed or otherwise damaged due to the improper environmental conditions, so that the environmental monitoring of the museum is an important technical means for preventive protection of the cultural relics in the museum, and a museum manager can know the environmental states of different areas such as an exhibition hall, a showcase and a storehouse in time, so that corresponding environmental regulation measures are adopted, and the stability and suitability of the environment where the cultural relics are located are maintained.
With the application of the sensing technology in the field of the Internet of things, a museum environment monitoring system is remarkably improved and promoted, sensing equipment collects environment data in real time and transmits the data to a monitoring platform, the monitoring platform analyzes and processes the data, so that monitoring personnel can feed back the data according to early warning information and regulate and control microenvironments where cultural relics are located through regulating and controlling equipment, but a traditional detection system can only monitor a single environment factor generally, cannot comprehensively obtain data of a plurality of environment parameters, cannot realize visual display of the monitoring data, and is difficult for the monitoring personnel to intuitively understand and analyze the data;
for this reason, publication No. CN112732708A, publication No. 2021-04-30 discloses a museum cultural relic protection system based on environmental data acquisition and monitoring, which comprises an online monitoring module, an online evaluation module, a real-time alarm module and an environmental regulation module, wherein the online monitoring module comprises area monitoring, equipment monitoring, daily environmental monitoring report and monitoring instruction issuing, and the online evaluation module comprises a cultural relic environmental evaluation knowledge base and a cultural relic environmental evaluation standard specification.
However, in the prior art, since the monitoring positions of the internal environment of the museum are scattered, a large number of different areas such as a showroom, a showcase, a storehouse and a storage cabinet may exist to be monitored, the arrangement positions of the monitoring equipment need to be marked and recorded manually, the management is complex and the workload is large; the monitoring equipment distributed in a scattered way needs to be searched one by one for calibration and equipment replacement, so that the work is complicated and the time consumption is long; meanwhile, because specific position information of the monitoring points cannot be provided, the specific position of the data source cannot be accurately determined during monitoring data analysis and environment adjustment, and the monitoring effect and subsequent processing are affected.
Therefore, it is necessary to provide a system and a method for monitoring and positioning the environment of a museum to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a museum environment monitoring and positioning system and method, which solve the problems that the laying position of monitoring equipment is complex and low in efficiency through manual marking and recording, the monitoring function is single, the monitoring efficiency is low, the specific position information of a monitoring point cannot be provided to accurately determine the specific position of a data source, and the monitoring effect is poor in the prior art.
In one aspect, embodiments of the present invention provide a museum environment monitoring and positioning system, comprising:
the environment monitoring positioning terminals are used for collecting environment monitoring parameters of all monitoring points and communicating with the base station to obtain three-dimensional positioning parameters of the corresponding monitoring points; through communication connection with an external wireless ad hoc network, data transmission and information interaction with other equipment, mobile terminals or cloud platforms are realized;
the wireless self-organizing network repeater is used for enhancing and forwarding signals sent by the environment monitoring and positioning terminal to the wireless self-organizing network gateway;
the wireless self-networking gateway transmits the data acquired by the environment monitoring and positioning terminal to the environment monitoring and positioning platform;
and the environment monitoring and positioning platform generates a spatial distribution diagram of each area of the museum according to the acquired environment monitoring parameters and the three-dimensional positioning parameters.
As a still further solution, the environment monitoring and positioning terminal includes:
the environment monitoring unit is used for sensing environment monitoring parameters through a plurality of sensors;
the X/Y axis plane positioning unit is used for measuring the transmission distance between the terminal and the base station and calculating plane coordinate information of the terminal in the X/Y direction by utilizing the distance information;
the Z-axis height sensing unit is set by an atmospheric pressure sensor and acquires the height coordinate information of the terminal in the Z direction;
the central processing unit is respectively and electrically connected with the environment monitoring unit, the X/Y axis plane positioning unit and the Z axis height sensing unit, and acquires the three-dimensional positioning parameters and the environment monitoring parameters of the terminal through communication and data exchange with the units;
the storage unit is electrically connected with the central processing unit and used for storing monitoring historical data and terminal configuration parameters;
the wireless ad hoc network communication unit is electrically connected with the central processing unit and is used for data transmission and communication between the terminal and an external wireless ad hoc network;
the power supply unit is used for providing electricity required by the environment monitoring unit, the storage unit, the wireless ad hoc network communication unit, the X/Y axis plane positioning unit, the Z axis height sensing unit and the central processing unit.
On the other hand, the embodiment of the invention also provides a method for monitoring and positioning the environment of the museum, which adopts any one of the technical schemes, and comprises the following steps:
acquiring distance information between an environment monitoring positioning terminal and a base station, and calculating plane coordinate information of the terminal in the X/Y direction by a three-point positioning method;
sensing the air pressure value, and calculating the height coordinate information of the environment monitoring positioning terminal in the Z direction;
sensing and acquiring environmental monitoring parameters by an environmental monitoring unit,
uploading the environment monitoring parameters and the three-dimensional positioning parameters to an environment monitoring and positioning platform through a wireless ad hoc network;
constructing a building three-dimensional model of the museum, and mapping three-dimensional positioning parameters of the terminal onto the building three-dimensional model by an environment monitoring positioning platform;
and generating a spatial distribution diagram of each area of the museum where the terminal is located, and displaying environment monitoring parameters of corresponding positions of each monitoring point of the museum in real time through a building three-dimensional model.
As a further solution, the plane coordinate information of the terminal in the X/Y direction is calculated by a three-point positioning method, and the specific method is as follows:
step A: three base stations are preset, a terminal sends high-frequency pulse signals to each base station, and the base stations receive the signals and return response information;
and (B) step (B): the moment when the terminal sends a signal to the base station is recorded as a starting time T0; the time when the terminal receives the response information returned by the base station is recorded as return information time T1;
step C: calculating the transmission distance between the terminal and the base station through the time difference between the radio transmission speed and the receiving and transmitting time;
step D: according to the distance information between the terminal and the three base stations, calculating the plane coordinate information of the terminal in the X/Y direction by a three-point positioning method.
As a further solution, the specific calculation method of step C is as follows:
S＝C×(T1-T0)/2；
where S represents a transmission distance between the terminal and the base station, C represents a radio transmission speed, T1 represents a time when the terminal receives the base station return response information, and T0 represents a start time of the terminal transmitting the signal.
As a further solution, the specific calculation method of step D is as follows:
recording the position coordinates of the three base stations as (X1, Y1), (X2, Y2) and (X3, Y3), respectively;
calculating transmission distances between the terminal and the three base stations as S1, S2 and S3 respectively;
through the distance relation between the terminal and the three base stations, plane coordinate information of the terminal in the X/Y direction is calculated, and a specific calculation formula is as follows:
as a still further solution, the calculating terminal calculates the height coordinate information in the Z direction:
and calculating the height coordinate information of the terminal in the Z direction by using the indoor atmospheric pressure value sensed by the atmospheric pressure sensor, wherein the calculation formula is as follows:
wherein h represents the height coordinate information of the terminal in the Z direction, P0 represents the sea level air pressure value, P represents the current atmospheric pressure value, and T represents the current temperature value in DEG C.
As a still further solution, the environmental monitoring parameters include temperature, humidity, carbon dioxide concentration, volatile organic compound content, uv intensity and illumination intensity data.
As a further solution, the building of the three-dimensional model of the museum building is based on the spatial position parameters fed back by the environment monitoring and positioning terminals and the building parameters of the museum, and the building is visually modeled according to the corresponding size or the proportional size.
Compared with the prior art, the invention has the following beneficial effects:
the base station and the environment monitoring and positioning terminal are adopted to realize an automatic positioning function, the position of equipment is not required to be manually marked and recorded, the equipment layout process is simplified, various environment parameters can be collected at the same time, and comprehensive environment monitoring is provided for museum cultural relics; the environment monitoring terminal with the wireless ad hoc network technology and the comprehensive function is adopted, so that the real-time online environment monitoring in a large range is realized, the wiring difficulty and limitation of the traditional wired mode are avoided, the equipment maintenance cost and the layout cost are reduced, and the monitoring efficiency and the accuracy are improved; the manager can intuitively know the environmental condition of each monitoring point and provide visual and comprehensive environmental information, so that the level and efficiency of preventive protection of museum cultural relics are improved.
Drawings
Fig. 1 is a block diagram of a system for monitoring and positioning an environment of a museum according to an embodiment of the present invention;
fig. 2 is a block diagram of an environment monitoring and positioning terminal according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for monitoring and positioning an environment of a museum according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the positions of a base station and a terminal according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention 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 invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The features and properties of the present invention will be described in further detail with reference to examples
As shown in fig. 1, an embodiment of the present invention provides a museum environment monitoring and positioning system, which includes:
the environment monitoring positioning terminals are used for collecting environment monitoring parameters of all monitoring points and communicating with the base station to obtain three-dimensional positioning parameters of the corresponding monitoring points; through communication connection with an external wireless ad hoc network, data transmission and information interaction with other equipment, mobile terminals or cloud platforms are realized;
the wireless self-organizing network repeater is used for enhancing and forwarding signals sent by the environment monitoring and positioning terminal to the wireless self-organizing network gateway;
the wireless self-networking gateway transmits the data acquired by the environment monitoring and positioning terminal to the environment monitoring and positioning platform;
and the environment monitoring and positioning platform generates a spatial distribution diagram of each area of the museum according to the acquired environment monitoring parameters and the three-dimensional positioning parameters.
As shown in fig. 2, fig. 2 is a block diagram of an environment monitoring and positioning terminal according to an embodiment of the present invention, including:
the environment monitoring unit is used for sensing environment monitoring parameters through a plurality of sensors;
the X/Y axis plane positioning unit is used for measuring the transmission distance between the terminal and the base station and calculating plane coordinate information of the terminal in the X/Y direction by utilizing the distance information;
the Z-axis height sensing unit is set by an atmospheric pressure sensor and acquires the height coordinate information of the terminal in the Z direction;
the central processing unit is respectively and electrically connected with the environment monitoring unit, the X/Y axis plane positioning unit and the Z axis height sensing unit, and acquires the three-dimensional positioning parameters and the environment monitoring parameters of the terminal through communication and data exchange with the units;
the storage unit is electrically connected with the central processing unit and used for storing monitoring historical data and terminal configuration parameters;
the wireless ad hoc network communication unit is electrically connected with the central processing unit and is used for data transmission and communication between the terminal and an external wireless ad hoc network;
the power supply unit is used for providing electricity required by the environment monitoring unit, the storage unit, the wireless ad hoc network communication unit, the X/Y axis plane positioning unit, the Z axis height sensing unit and the central processing unit.
It should be noted that, the environment monitoring unit is provided with a digital interface and an analog interface, and is connected with a plurality of sensors to sense environment monitoring parameters; the automatic three-dimensional positioning of the equipment can be realized through the communication between the base station and the environment monitoring positioning terminal, so that the problems of equipment layout position marking and recording are solved; meanwhile, the environment monitoring positioning terminal not only can collect various environment monitoring parameters, but also can acquire three-dimensional positioning parameters of each monitoring point, the integrated design not only improves the monitoring efficiency, but also can accurately know the environment conditions of different areas, and can better perform preventive protection on the collection of cultural relics.
In another embodiment, fig. 3 is a flowchart of a method for monitoring and positioning a museum environment according to an embodiment of the present invention, as shown in fig. 3, including the following steps:
acquiring distance information between an environment monitoring positioning terminal and a base station, and calculating plane coordinate information of the terminal in the X/Y direction by a three-point positioning method;
sensing the air pressure value, and calculating the height coordinate information of the environment monitoring positioning terminal in the Z direction;
sensing and acquiring environmental monitoring parameters by an environmental monitoring unit,
uploading the environment monitoring parameters and the three-dimensional positioning parameters to an environment monitoring and positioning platform through a wireless ad hoc network;
constructing a building three-dimensional model of the museum, and mapping three-dimensional positioning parameters of the terminal onto the building three-dimensional model by an environment monitoring positioning platform;
and generating a spatial distribution diagram of each area of the museum where the terminal is located, and displaying environment monitoring parameters of corresponding positions of each monitoring point of the museum in real time through a building three-dimensional model.
Further, plane coordinate information of the terminal in the X/Y direction is calculated by a three-point positioning method, and the specific method is as follows:
step A: three base stations are preset, a terminal sends high-frequency pulse signals to each base station, and the base stations receive the signals and return response information;
and (B) step (B): the moment when the terminal sends a signal to the base station is recorded as a starting time T0; the time when the terminal receives the response information returned by the base station is recorded as return information time T1;
step C: calculating the transmission distance between the terminal and the base station through the time difference between the radio transmission speed and the receiving and transmitting time;
step D: according to the distance information between the terminal and the three base stations, calculating the plane coordinate information of the terminal in the X/Y direction by a three-point positioning method.
Further, the specific calculation method in the step C is as follows:
S＝C×(T1-T0)/2；
where S represents a transmission distance between the terminal and the base station, C represents a radio transmission speed, T1 represents a time when the terminal receives the base station return response information, and T0 represents a start time of the terminal transmitting the signal.
Further, the specific calculation method in the step D is as follows:
recording the position coordinates of the three base stations as (X1, Y1), (X2, Y2) and (X3, Y3), respectively;
calculating transmission distances between the terminal and the three base stations as S1, S2 and S3 respectively;
through the distance relation between the terminal and the three base stations, plane coordinate information of the terminal in the X/Y direction is calculated, and a specific calculation formula is as follows:
fig. 4 is a schematic diagram of the positions of a base station and a terminal according to an embodiment of the present invention, where three base stations are preset in a museum as shown in fig. 4, and the terminal is located at an intersection point of three circles centered on the three base stations, and the position coordinates of each base station are known; the terminal will send high frequency pulse signals to the three base stations respectively, and the plane coordinate information of the unknown terminal in the horizontal plane, namely the X/Y direction, is calculated through the three base stations with known positions and the distance information to the base stations.
Further, calculating the height coordinate information of the terminal in the Z direction:
and calculating the height coordinate information of the terminal in the Z direction by using the indoor atmospheric pressure value sensed by the atmospheric pressure sensor, wherein the calculation formula is as follows:
wherein h represents the height coordinate information of the terminal in the Z direction, P0 represents the sea level air pressure value, P represents the current atmospheric pressure value, and T represents the current temperature value in DEG C.
It should be noted that, by calculating the plane coordinate information of the environmental monitoring positioning terminal in the X/Y direction and the height coordinate information in the Z direction, the complete three-dimensional positioning parameters are obtained, so that the position of the terminal in the museum is accurately positioned.
Further, the environmental monitoring parameters include temperature, humidity, carbon dioxide concentration, volatile organic compound content, ultraviolet intensity, and illumination intensity data.
Furthermore, the building of the three-dimensional model of the museum building is based on the spatial position parameters and the museum building parameters fed back by the environment monitoring and positioning terminals, and visual modeling can be performed according to the corresponding size or the proportional size.
In a specific implementation process, the monitoring data (such as temperature, humidity, carbon dioxide concentration and the like) acquired in the actual environment are mapped onto the building three-dimensional model in real time through a digital twin technology, the environment monitoring and positioning platform can monitor the change of the indoor environment of the museum in real time through the digital twin model and conduct data analysis, and a manager can intuitively check the environment parameters of each monitoring point in the virtual environment, so that environment regulation and management decisions can be made more timely.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. A museum environment monitoring and positioning system, comprising:
the environment monitoring positioning terminals are used for collecting environment monitoring parameters of all monitoring points and communicating with the base station to obtain three-dimensional positioning parameters of the corresponding monitoring points; through communication connection with an external wireless ad hoc network, data transmission and information interaction with other equipment, mobile terminals or cloud platforms are realized;
the wireless self-organizing network repeater is used for enhancing and forwarding signals sent by the environment monitoring and positioning terminal to the wireless self-organizing network gateway;
the wireless self-networking gateway transmits the data acquired by the environment monitoring and positioning terminal to the environment monitoring and positioning platform;
and the environment monitoring and positioning platform generates a spatial distribution diagram of each area of the museum according to the acquired environment monitoring parameters and the three-dimensional positioning parameters.
2. A museum environment monitoring and positioning system in accordance with claim 1, wherein said environment monitoring and positioning terminal comprises:
the environment monitoring unit is used for sensing environment monitoring parameters through a plurality of sensors;
the X/Y axis plane positioning unit is used for measuring the transmission distance between the terminal and the base station and calculating plane coordinate information of the terminal in the X/Y direction by utilizing the distance information;
the Z-axis height sensing unit is set by an atmospheric pressure sensor and acquires the height coordinate information of the terminal in the Z direction;
the central processing unit is respectively and electrically connected with the environment monitoring unit, the X/Y axis plane positioning unit and the Z axis height sensing unit, and acquires the three-dimensional positioning parameters and the environment monitoring parameters of the terminal through communication and data exchange with the units;
the storage unit is electrically connected with the central processing unit and used for storing monitoring historical data and terminal configuration parameters;
the wireless ad hoc network communication unit is electrically connected with the central processing unit and is used for data transmission and communication between the terminal and an external wireless ad hoc network;
the power supply unit is used for providing electricity required by the environment monitoring unit, the storage unit, the wireless ad hoc network communication unit, the X/Y axis plane positioning unit, the Z axis height sensing unit and the central processing unit.
3. A method for monitoring and positioning the environment of a museum using a system as claimed in any one of claims 1-2, comprising the steps of:
acquiring distance information between an environment monitoring positioning terminal and a base station, and calculating plane coordinate information of the terminal in the X/Y direction by a three-point positioning method;
sensing the air pressure value, and calculating the height coordinate information of the environment monitoring positioning terminal in the Z direction;
sensing and acquiring environmental monitoring parameters by an environmental monitoring unit,
uploading the environment monitoring parameters and the three-dimensional positioning parameters to an environment monitoring and positioning platform through a wireless ad hoc network;
constructing a building three-dimensional model of the museum, and mapping three-dimensional positioning parameters of the terminal onto the building three-dimensional model by an environment monitoring positioning platform;
and generating a spatial distribution diagram of each area of the museum where the terminal is located, and displaying environment monitoring parameters of corresponding positions of each monitoring point of the museum in real time through a building three-dimensional model.
4. The method for monitoring and positioning the museum environment according to claim 3, wherein the method for calculating the plane coordinate information of the terminal in the X/Y direction by using the three-point positioning method comprises the following steps:
step A: three base stations are preset, a terminal sends high-frequency pulse signals to each base station, and the base stations receive the signals and return response information;
and (B) step (B): the moment when the terminal sends a signal to the base station is recorded as a starting time T0; the time when the terminal receives the response information returned by the base station is recorded as return information time T1;
step C: calculating the transmission distance between the terminal and the base station through the time difference between the radio transmission speed and the receiving and transmitting time;
step D: according to the distance information between the terminal and the three base stations, calculating the plane coordinate information of the terminal in the X/Y direction by a three-point positioning method.
5. The method for monitoring and positioning a museum environment according to claim 4, wherein the specific calculation method in step C is as follows:
S＝C×(T1-T0)/2；
where S represents a transmission distance between the terminal and the base station, C represents a radio transmission speed, T1 represents a time when the terminal receives the base station return response information, and T0 represents a start time of the terminal transmitting the signal.
6. The method for monitoring and positioning a museum environment according to claim 4, wherein the specific calculation method in step D is as follows:
recording the position coordinates of the three base stations as (X1, Y1), (X2, Y2) and (X3, Y3), respectively;
calculating transmission distances between the terminal and the three base stations as S1, S2 and S3 respectively;
through the distance relation between the terminal and the three base stations, plane coordinate information of the terminal in the X/Y direction is calculated, and a specific calculation formula is as follows:
7. a method for monitoring and positioning a museum environment according to claim 3, wherein the computing terminal calculates the height coordinate information in the Z direction:
and calculating the height coordinate information of the terminal in the Z direction by using the indoor atmospheric pressure value sensed by the atmospheric pressure sensor, wherein the calculation formula is as follows:
wherein h represents the height coordinate information of the terminal in the Z direction, P0 represents the sea level air pressure value, P represents the current atmospheric pressure value, and T represents the current temperature value in DEG C.
8. A museum environment monitoring and positioning method according to claim 3, wherein the environment monitoring parameters comprise temperature, humidity, carbon dioxide concentration, volatile organic compound content, ultraviolet intensity and illumination intensity data.
9. The method for monitoring and positioning the environment of the museum according to claim 3, wherein the building of the three-dimensional model of the museum is performed with visual modeling according to the corresponding size or the proportional size based on the spatial position parameters fed back by the environment monitoring and positioning terminals and the building parameters of the museum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311226173.0A CN117459891A (en) | 2023-09-21 | 2023-09-21 | Museum environment monitoring and positioning system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311226173.0A CN117459891A (en) | 2023-09-21 | 2023-09-21 | Museum environment monitoring and positioning system and method |
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| CN117459891A true CN117459891A (en) | 2024-01-26 |
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| CN202311226173.0A Pending CN117459891A (en) | 2023-09-21 | 2023-09-21 | Museum environment monitoring and positioning system and method |
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- 2023-09-21 CN CN202311226173.0A patent/CN117459891A/en active Pending
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