CN108413997B - Augmented reality instrument system - Google Patents
Augmented reality instrument system Download PDFInfo
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- CN108413997B CN108413997B CN201810195373.7A CN201810195373A CN108413997B CN 108413997 B CN108413997 B CN 108413997B CN 201810195373 A CN201810195373 A CN 201810195373A CN 108413997 B CN108413997 B CN 108413997B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D7/00—Indicating measured values
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
Abstract
The invention relates to an augmented reality instrument system.A computer master station is connected with an information acquisition unit on a production system through an industrial bus, the information acquisition unit acquires the measured values of measurement items, and a label is correspondingly arranged at each measurement item; the method comprises the steps that a computer main station obtains a measured value, the measured value is stored by taking label information uploaded by a label as an index and is displayed locally, an augmented reality device scans the label of a measurement project on the site of the device of a production system to obtain the label information, a query request containing the label information is sent to the computer main station, the computer main station queries according to the label information and generates return data, and the return data are displayed on the augmented reality device. The invention displays the measured value of the field measurement project of the equipment on the display screen of the augmented reality equipment, or displays the measured value and the real scene in a superposition way, thereby avoiding the complexity of arranging a display device at each test project on the field of the equipment and reducing the complexity of a generating system.
Description
Technical Field
The invention relates to an augmented reality instrument system, and belongs to the field of intelligent manufacturing based on computers and augmented reality.
Background
In the current process industry, such as chemical industry, metallurgy industry and the like, working parameters of all devices in the whole system are displayed on a screen of a control room in a centralized mode by adopting a centralized monitoring mode; and the device parameters are usually displayed in the form of a mechanical instrument panel, a digital display tube and an electronic screen on the device site. The mechanical instrument panel, the nixie tube, the electronic screen and the like increase the complexity, the cost and the like of system design and manufacture, and reduce the stability of the system.
The invention patent with publication number CN107635133A discloses an augmented reality-based data center robot patrol system, which comprises a patrol robot, a helmet with intelligent glasses, a base layer network composed of sensor nodes and an upper layer network mainly composed of a relay gateway, a public network base station and a server. According to the technical scheme, short-distance wireless communication is carried out between the inspection robot and the sensor nodes, so that the IDs of the sensor nodes for monitoring the physical equipment of the data center to be inspected can be obtained, the obtained real space image of the physical equipment of the data center to be inspected and the received enhanced information are fused through the inspection robot, an augmented reality image is formed, and the augmented reality image is displayed through intelligent glasses. The invention can obtain the return data only by scanning the label by the augmented display equipment, directly display the return data on the display of the augmented reality equipment, if the return data needs to be overlapped with the real space, only need to identify the orientation relation between the augmented reality equipment and the label through the augmented reality registration unit, then directly overlap the display interface corresponding to the return data on the label in the real space for display, and the invention is different from the prior technical proposal that the real space image and the received augmented information are fused to form the augmented reality image, and the augmented display image is displayed through the intelligent glasses, which is different in essence. Therefore, the technical solution disclosed is similar to the technical problem to be solved by the present invention, and there is no technical hint for the technical solution of the present invention.
The invention aims to provide an augmented reality instrument system which replaces a traditional mechanical instrument panel, a digital display tube and an electronic screen, and parameters monitored by the system are directly superposed on an equipment field or a display panel of augmented reality equipment through the augmented reality equipment to be displayed.
Disclosure of Invention
In order to solve the technical problem, the invention provides an augmented reality instrument system, which displays the measured value of the field measurement item of the equipment on the display screen of the augmented reality equipment, or displays the measured value and the real scene in a superposition manner, thereby avoiding the complexity of arranging display devices at all the field measurement items of the equipment and reducing the complexity of a generating system.
The technical scheme of the invention is as follows:
an augmented reality instrument system is characterized in that a computer master station is connected with an information acquisition unit on a production system through an industrial bus, the information acquisition unit acquires the measurement values of measurement items, and a label is correspondingly arranged at each measurement item; the method comprises the steps that a computer main station obtains a measured value, the measured value is stored by taking label information uploaded by a label as an index and is displayed locally, the augmented reality equipment scans the label of a measured item on the site of the equipment of a production system to obtain the label information, an inquiry request containing the label information is sent to the computer main station, the computer main station inquires and generates return data according to the label information, and the return data is displayed on the augmented reality equipment, so that the measured value of the measured item is displayed on the site of the equipment through the augmented reality equipment.
Preferably, the computer master station is provided with a label management module, a data monitoring module and a first interface setting library; the label management module establishes a corresponding relation among the labels, the measurement items and the display items, sets each measurement item interface and each measurement value display interface, stores the interfaces in the first interface setting library and transmits the interfaces to the augmented reality equipment; the data monitoring module sends a request instruction to an information acquisition unit connected to the industrial bus to obtain the measured value of each measurement item, the measured value is stored in a corresponding table in a database according to the corresponding relation established by the label management module, the current time of the system is recorded, and then the measured value is displayed on an interface corresponding to the measurement item on the computer master station, so that the working state of the production system is monitored on the computer master station; when the data monitoring module receives a query request from augmented reality equipment, the data monitoring module acquires a measured value of a corresponding measurement item according to tag information in the query request, queries the first interface setting library according to the tag information, acquires a corresponding measured value display interface, and combines the measured value and the measured value display interface to generate return data.
Preferably, the augmented reality device is provided with an image acquisition and identification unit, an interface drawing unit and a second interface setting library; the second interface setting library receives and stores the interface sent by the computer main station;
the image acquisition and identification unit acquires an image of a label corresponding to a measurement item through an image sensor on the augmented reality equipment, identifies label information, and then sends an inquiry request containing the label information to the data monitoring module; and the interface drawing unit draws a display interface corresponding to the label information according to the returned data of the data monitoring module and the interface of the measurement item corresponding to the label information, and directly outputs the display interface to the display of the augmented reality equipment, so that the measurement value of the measurement item is displayed on the augmented reality equipment.
Preferably, the augmented reality device is further provided with an augmented reality registration unit, and the augmented reality registration unit identifies the position relationship between the augmented reality device and the label according to the image of the label, and superimposes the display interface drawn by the interface drawing unit on the label or displays the display interface near the label, so that the display interface and the real scene are superimposed and displayed.
Preferably, the image acquisition and identification unit segments the image into an image area containing a label, and further identifies label information represented by the image area, wherein the label information is coded information.
Preferably, the interface drawing unit queries the second interface setting library according to the tag information, obtains an interface display form of the measurement item, and combines the returned data with the interface display form, thereby drawing the display interface corresponding to the tag.
Preferably, the interface stored in the first interface setting library includes an interface display form, a size and a display range, and the interface display form includes one of a text, a dashboard, a nixie tube, a histogram, a curve, a report and a picture, or any combination thereof.
Preferably, the industrial bus is an EtherCAT bus, and the computer master station is directly accessed to the industrial bus through a network card; or the industrial bus is a non-EtherCAT bus, the computer master station is accessed to the industrial bus through a bus interface board, and communication and data exchange between the industrial bus and the computer master station are realized through the bus interface board.
Preferably, the label is an asymmetric form label, including a bar code label and/or a two-dimensional code label.
Preferably, the information acquisition unit includes one or more collection group, and each collection group comprises a measurement and control circuit board and a sensor group of interconnect, the sensor group comprises one or more sensors, measurement and control circuit board inserts industry bus.
The invention has the following beneficial effects:
according to the augmented reality instrument system, the label is arranged at the measuring item, the measured value is stored on the computer main station by taking the label as an index, when the measured value of a certain measuring item needs to be checked on site, the label corresponding to the measuring item is scanned by the augmented reality equipment, an inquiry request is sent to the computer main station, and then the return data generated by the computer main station is displayed on the augmented reality equipment, so that the measured value of the equipment site measuring item can be obtained, display devices such as an instrument panel, a nixie tube and an LED display screen on the equipment in the existing production system are replaced, and the complexity of production system integration is reduced. Meanwhile, the invention also has the advantages of flexible display, low cost and the like.
Drawings
FIG. 1 is a schematic diagram of a device connection in an augmented reality instrument system according to the present invention;
FIG. 2 is a system block diagram of an augmented reality instrument system of the present invention;
fig. 3 is a schematic flow chart of an augmented reality instrument system according to the present invention.
The reference numbers in the figures denote:
1. a computer master station; 2. augmented reality devices; 3. an information acquisition unit; 4. a label; 31. a sensor group; 32. and a measurement and control circuit board.
Detailed Description
The invention will be described in detail below with reference to the accompanying drawings, fig. 1 to 3, and specific embodiments.
The first embodiment is as follows:
an augmented reality instrument system, the information acquisition unit 3 on the computer main website 1 connects the production system through the industrial bus, the said information acquisition unit 3 gathers the measured value of the measured item, each measured item corresponds to and sets up a label; the method comprises the steps that a computer main station 1 obtains a measured value, the measured value is stored by taking label information uploaded by a label as an index and is displayed locally, an augmented reality device 2 scans the label of a measurement item on the site of the device of a production system to obtain the label information, a query request containing the label information is sent to the computer main station 1, the computer main station 1 queries and generates return data according to the label information, and the return data are displayed on the augmented reality device 2, so that the measured value of the measurement item is displayed on the site of the device through the augmented reality device 2. The number of the augmented reality devices 2 can be multiple, and each augmented reality device 2 can simultaneously send a query request to the computer master station 1.
The augmented reality instrument system can check the measured value of the measurement item on the equipment site only by using the augmented reality equipment 2, replaces display devices such as instrument panels, nixie tubes and LED display screens on equipment in the existing production system, and reduces the complexity of the integration of the production system.
Example two:
referring to fig. 2 and fig. 3, this embodiment explains in detail the implementation of the computer master station 1 and the augmented reality device 2.
An augmented reality instrument system comprises a label management module, a data monitoring module and a first interface setting library which are arranged on a computer master station 1, and an image acquisition and identification unit, an interface drawing unit and a second interface setting library which are arranged on augmented reality equipment 2;
the computer master station 1 is connected with an information acquisition unit 3 on a production system through an industrial bus, the information acquisition unit 3 acquires the measured values of the measured items, and a label 4 is arranged at the corresponding position of each measured item; the augmented reality device 2 takes the tag 4 as an index to acquire data of a measurement item; the label 4 can be a bar code label and/or a two-dimensional code label, and is an asymmetric label to avoid ambiguity of augmented reality registration; the tag 4 may be provided on a device or panel corresponding to the measurement item, or the like.
The label management module establishes a corresponding relation among the labels 4, the measurement items and the display items (namely, the measurement values corresponding to the measurement items), sets each measurement item interface and each measurement value display interface, stores the interfaces in the first interface setting library, and transmits the interfaces to the second interface setting library;
the data monitoring module periodically sends a request instruction to an information acquisition unit 3 connected to the industrial bus to obtain the measured value of each measurement item, the measured value is stored in a corresponding table in a database according to the corresponding relation established by the label management module and the current time of the system is recorded, then the measured value is displayed on an interface corresponding to the measurement item on the computer master station 1, and the display mode can be output through a projection system or a display screen, so that the monitoring of the working state of the production system on the computer master station 1 is realized; when the data monitoring module receives a query request from the augmented reality device 2, acquiring a measured value of a corresponding measurement item according to tag information in the query request, querying the first interface setting library according to the tag information, acquiring an interface of the corresponding measurement item, and generating return data after combining the measured value and the interface; the return data comprises label information, measured values, pictures and the like;
the image acquisition and identification unit acquires an image of a tag 4 corresponding to a measurement item through an image sensor on the augmented reality device 2, identifies tag information, and then sends an inquiry request containing the tag information to the data monitoring module; specifically, the image acquisition and identification unit segments the image into an image area containing a label 4, and further identifies label information represented by the image area, for example, the label information is coded information;
the interface drawing unit draws a display interface corresponding to the label information according to the returned data of the data monitoring module and the interface of the measurement item corresponding to the label information, and directly outputs the display interface to the display of the augmented reality device 2, so that the measurement value of the measurement item is displayed on the augmented reality device 2. Specifically, the interface drawing unit queries the second interface setting library according to the tag information, obtains the interface display form of the measurement item, and draws the display interface corresponding to the tag 4.
Preferably, the augmented reality device 2 is further provided with an augmented reality registration unit, which identifies a position relationship between the augmented reality device 2 and the tag 4 according to the image of the tag 4, and displays the display interface drawn by the interface drawing unit by superimposing the display interface on the tag 4 or displaying the display interface near the tag 4, thereby realizing superimposed display of the display interface and the real scene. The augmented display registration unit is responsible for positioning a display interface (virtual object) which is drawn by the space positioning tracking and interface drawing unit of the image sensor of the augmented reality device in a real space, specifically, detecting the position and direction angle of the augmented reality device relative to a real label in real time through the image sensor, determining the mapping position of the display interface in a projection plane according to the information, and finally displaying the display interface on the label 4 or near the label 4 as required.
Referring to fig. 3, in this embodiment, the information collecting unit 3 includes one or more collecting groups, each collecting group is composed of a measurement and control circuit board 32 and a sensor group 31, the sensor group 31 is composed of one or more sensors, and the measurement items correspond to the sensors. The measurement and control circuit board 32 is in information transmission with the computer master station 1 through an industrial bus.
When the industrial bus is a 485 bus, the industrial bus needs to use a bus interface board to implement communication and data exchange between the industrial bus and the interface of the computer master station 1, for example, the bus interface board can be an 232 plus 485 line interface board or a USB-485 bus interface board, so that the computer master station 1 communicates with the industrial bus through the 232 or USB interface. When the industrial bus is an EtherCAT bus, a bus interface board is not needed, and because the EtherCAT bus uses a standard network cable, the hardware connection between the computer main station 1 and the EtherCAT bus can be realized through a network card.
The interfaces stored in the first interface setting library and the second interface setting library comprise parameters such as interface display forms, sizes, display ranges and the like, wherein the interface display forms comprise texts, instrument panels, digital tubes, bar graphs, curves, reports, pictures and the like, or are a set formed by a plurality of the interface display forms. For example, a dashboard is visible through the augmented reality device, with current measurements displayed on the dashboard.
Augmented reality equipment 2 includes intelligent terminals such as augmented reality glasses, cell-phone.
The working process of the augmented reality instrument system comprises the following steps:
step 10, an administrator operates a tag management module to establish a corresponding relation between tag information and measurement items (the measurement items correspond to the sensor group 31) and between measurement values of the measurement items, and sets an interface display form of the measurement values of the measurement items on the augmented reality intelligent device, and the interface display form is respectively stored in a first interface setting library and a second interface setting library;
step 20, the computer master station 1: periodically sending a request instruction, receiving the measured value of each measurement item from the industrial bus, storing each measured value, the corresponding measurement item, the corresponding label information and the current time of the system in a corresponding table in a database, updating the measured value on a local display interface, and outputting the updated measured value through a display system; if the computer master station 1 receives an inquiry request sent by the augmented reality device 2, acquiring a measured value of a corresponding measurement item according to label information in the inquiry request, inquiring the first interface setting library according to the label information, acquiring an interface of the corresponding measurement item, and generating return data after the measured value and the interface are combined;
step 30, augmented reality device 2 end: acquiring an image of a tag 4 corresponding to a measurement item through an image sensor on the augmented reality device 2 by the image acquisition and identification unit, identifying tag information, and then sending an inquiry request containing the tag information to the data monitoring module;
and step 40, the interface drawing unit draws a display interface corresponding to the label information according to the returned data of the data monitoring module and the interface of the measurement item corresponding to the label information, and directly outputs the display interface on the display of the augmented reality device 2, so that the measurement value of the measurement item is displayed on the augmented reality device 2, or is displayed on the label 4 in a superposed manner through the augmented reality registration unit or is displayed near the label 4.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An augmented reality instrument system, characterized by: the computer master station (1) is connected with an information acquisition unit (3) on the production system through an industrial bus, the information acquisition unit (3) acquires the measurement values of the measurement items, and a label is correspondingly arranged at each measurement item;
the computer master station (1) acquires the measured value, takes the label information uploaded by the label as an index to store the measured value and displays the measured value locally, and specifically comprises the following steps: the computer master station (1) is provided with a label management module, a data monitoring module and a first interface setting library, the label management module establishes the corresponding relation among the labels (4), the measurement items and the display items, sets each measurement item interface and each measurement value display interface, stores the interfaces in the first interface setting library and transmits the interfaces to the augmented reality device (2); the data monitoring module sends a request instruction to an information acquisition unit (3) connected to an industrial bus to obtain the measured value of each measurement item, stores the measured value in a corresponding table in a database according to the corresponding relation established by the label management module, records the current time of the system, and then displays the measured value on an interface corresponding to the measurement item on a computer master station (1);
the augmented reality device (2) scans the labels of the measurement items on the device site of the production system to obtain label information, sends an inquiry request containing the label information to the computer master station (1), the computer master station (1) inquires and generates return data according to the label information, and the return data is displayed on the augmented reality device (2), so that the measurement values of the measurement items are displayed on the device site through the augmented reality device (2).
2. An augmented reality instrument system according to claim 1, wherein: when the data monitoring module receives a query request from the augmented reality device (2), the data monitoring module acquires a measured value of a corresponding measurement item according to the tag information in the query request, queries the first interface setting library according to the tag information, acquires a corresponding measured value display interface, and combines the measured value and the measured value display interface to generate return data.
3. An augmented reality instrument system according to claim 2, wherein: the augmented reality equipment (2) is provided with an image acquisition and identification unit, an interface drawing unit and a second interface setting library;
the second interface setting library receives and stores the interface sent by the computer master station (1);
the image acquisition and identification unit acquires an image of a label (4) corresponding to a measurement item through an image sensor on the augmented reality device (2), identifies label information, and then sends an inquiry request containing the label information to the data monitoring module;
and the interface drawing unit draws a display interface corresponding to the label information according to the returned data of the data monitoring module and the interface of the measurement item corresponding to the label information, and directly outputs the display interface to the display of the augmented reality device (2), so that the measurement value of the measurement item is displayed on the augmented reality device (2).
4. An augmented reality instrument system according to claim 3, wherein: the augmented reality device (2) is further provided with an augmented reality registration unit, the position relation between the augmented reality device (2) and the label (4) is identified according to the image of the label (4), and the display interface drawn by the interface drawing unit is superposed on the label (4) or displayed near the label (4), so that superposition display of the display interface and a real scene is achieved.
5. An augmented reality instrument system according to claim 3, wherein: the image acquisition and identification unit divides the image into image areas containing labels (4), and then identifies label information represented by the image areas, wherein the label information is coding information.
6. An augmented reality instrument system according to claim 3, wherein: and the interface drawing unit is used for inquiring the second interface setting library according to the label information, acquiring the interface display form of the measurement item, and combining the returned data with the interface display form so as to draw the display interface corresponding to the label (4).
7. An augmented reality instrument system according to claim 2, wherein: the interface stored in the first interface setting library comprises an interface display form, a size and a display range, wherein the interface display form comprises one of a text, a dashboard, a nixie tube, a histogram, a curve, a report and a picture, or any combination thereof.
8. An augmented reality instrument system according to claim 1, wherein: the industrial bus is an EtherCAT bus, and the computer master station (1) is directly accessed to the industrial bus through a network card; or the industrial bus is a non-EtherCAT bus, the computer master station (1) is accessed to the industrial bus through a bus interface board, and communication and data exchange between the industrial bus and the computer master station (1) are realized through the bus interface board.
9. An augmented reality instrument system according to claim 1, wherein: the label (4) is an asymmetric label, and comprises a bar code label and/or a two-dimensional code label.
10. An augmented reality instrument system according to claim 1, wherein: information acquisition unit (3) include one or more collection group, and each collection group comprises a measurement and control circuit board (32) and a sensor group (31) by interconnect, sensor group (31) comprises one or more sensor, measurement and control circuit board (32) access industry bus.
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| CN110006471B (en) * | 2019-04-02 | 2022-03-11 | 浙江宇视科技有限公司 | Method and system for dynamically displaying sensor data |
| CN110569849B (en) * | 2019-08-19 | 2022-04-12 | 北京猫眼视觉科技有限公司 | AR (augmented reality) -glasses-based multi-instrument simultaneous identification and spatial positioning method and system |
| CN114155452B (en) * | 2021-11-29 | 2022-11-15 | 江苏红光仪表厂有限公司 | Information identification method for industrial automation instrument |
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