CN115327998A - Mobile terminal for industrial human-computer interface and use method thereof - Google Patents
Mobile terminal for industrial human-computer interface and use method thereof Download PDFInfo
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- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- 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
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Abstract
The present application relates to a mobile terminal for industrial human-machine interface and a method for using the same, the terminal comprising: a short-range communication module configured to communicate with an identity tag deployed at a predetermined workstation within a predetermined range to obtain a workstation number located at the predetermined workstation; an operating environment configured to load engineering configuration software; and the interactive interface is configured to provide a control interface aiming at the engineering configuration software according to the station number, wherein the control interface provides the operation authority under the condition that the short-range communication module is in communication connection with the identity tag.
Description
Technical Field
The application relates to the field of industrial human-machine interfaces, in particular to a mobile terminal for an industrial human-machine interface and a using method thereof.
Background
An Industrial Human-machine Interface (Industrial HMI for short) is an intelligent terminal, which can be applied to an automobile manufacturing line to realize functions such as information interaction between an operator and a line device, including device status/fault information display, device operation instruction input, and the like.
The traditional industrial HMI needs to be matched with corresponding configuration software for visual graphic programming, and meanwhile, the executable engineering program after the configuration is finished can only run on the matched industrial HMI because the running environment is integrated with hardware. The system is a whole set of closed integrated ecological system bound by software and hardware, so that the selectable range is small when the industrial HMI product is designed and the software and hardware are selected, and the cost is high. Especially in the large environment of chip shortage in the industrial control field, the industrial HMI hardware product has long purchase period, and the project of the production line is difficult to be completed on schedule.
Furthermore, current industrial HMIs are typically mounted on electrical control cabinet panels at the side of the automotive manufacturing line, i.e. arranged along the line flow, as close as possible to the associated equipment location. But the fixed drawback of putting lies in can't compromise all equipment in clear field of vision region, leads to having the blind area when utilizing industry HMI to carry out equipment operation, has the potential safety hazard. On the other hand, the automation rate of the automobile manufacturing production line is up to more than 80%, even the automation rate can reach 100% in a welding workshop, the utilization rate of the industrial HMI at the line side is lower in practice, and after mass production, the inspection and operation are generally carried out only when a maintenance engineer inspects faults when a line body is in fault. The traditional mode of arranging and fixedly placing industrial HMI lines has the problems of low resource utilization rate and investment waste.
In view of the above, there is a need for an improved industrial human machine interface.
Disclosure of Invention
The embodiment of the application provides a mobile terminal for an industrial human-computer interface and a using method thereof, wherein the mobile terminal can be suitable for an automobile manufacturing production line and the like, and meets the technical requirements of ecological openness, software and hardware decoupling and the like; and the utilization rate can be improved, and the application of the whole scene is considered.
According to an aspect of the present application, a mobile terminal for an industrial human-machine interface is provided. The terminal includes: a short-range communication module configured to communicate with an identity tag deployed at a predetermined workstation within a predetermined range to obtain a workstation number located at the predetermined workstation; an operating environment configured to load engineering configuration software; and the interactive interface is configured to provide a control interface aiming at the engineering configuration software according to the station number, wherein the control interface provides the operation authority under the condition that the short-range communication module is in communication connection with the identity tag.
In some embodiments of the application, optionally, the short-range communication module operates based on an NFC protocol, and the identity tag is an NFC tag.
In some embodiments of the present application, optionally, the terminal further includes: a login module configured to determine whether the login account number has an operating authority at the predetermined workstation.
In some embodiments of the application, optionally, the short-range communication module is configured to send an operation authority request to the identity tag and receive permission information about the operation authority request from the identity tag if the login module determines that the login account number has the operation authority at the predetermined workstation.
In some embodiments of the application, optionally, the interactive interface is configured to provide the control interface based on the permission information.
In some embodiments of the present application, optionally, the runtime environment is configured to revoke the operating right of the engineering configuration software after a predetermined time is reached.
In some embodiments of the present application, optionally, the control interface includes a virtual key.
In some embodiments of the present application, optionally, the runtime environment is built on top of a general purpose operating system.
According to another aspect of the present application, a method of using an industrial human machine interface mobile terminal is provided. The method comprises the following steps: communicating the mobile terminal close to an identity tag deployed at a preset station to acquire a station number at the preset station based on a short-range communication protocol; loading engineering configuration software; and providing a control interface aiming at the engineering configuration software according to the station number, wherein the control interface provides operation permission only under the condition that the mobile terminal is in communication connection with the identity tag.
In some embodiments of the present application, optionally, the short-range communication protocol is an NFC protocol, and the identity tag is an NFC tag.
In some embodiments of the application, optionally, providing a control interface for the engineering configuration software according to the workstation number includes: determining whether the login account has the operation authority at the preset workstation, and sending an operation authority request to the identity tag if the login account has the operation authority; receiving permission information about the operation permission request from the identity tag; and providing the control interface based on the permission information.
In some embodiments of the present application, optionally, the method further comprises: and revoking the operation authority of the engineering configuration software after the preset time is reached.
In some embodiments of the application, optionally, the control interface includes a virtual key.
According to another aspect of the present application, there is provided a computer-readable storage medium having instructions stored therein, wherein the instructions, when executed by a processor, cause the processor to perform any one of the methods as described above.
According to the mobile terminal for industrial human-computer interaction and the use method thereof, which are described in some embodiments of the application, not only can the human-computer interaction function of the traditional fixed HMI be realized, but also the application and safety related requirements required under the new attribute of mobile operation and maintenance can be met.
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The above and other objects and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like or similar elements are designated by like reference numerals.
FIG. 1 illustrates a pipeline and an in-line HMI device according to some examples;
FIG. 2 illustrates a mobile terminal according to one embodiment of the present application;
FIG. 3 illustrates a mobile terminal according to one embodiment of the present application;
FIG. 4 illustrates a method of using an industrial human machine interface mobile terminal according to one embodiment of the present application.
Detailed Description
For the purposes of brevity and explanation, the principles of the present application are described herein with reference primarily to exemplary embodiments thereof. However, those skilled in the art will readily recognize that the same principles are equally applicable to all types of mobile terminals for industrial human machine interfaces and methods of use thereof, and that these same or similar principles may be implemented therein, with any such variations not departing from the true spirit and scope of the present application.
Fig. 1 shows a HMI device 104 (also known in the art as an "industrial HMI") used in the prior art, wherein the industrial HMI 104 would be fixedly mounted within the industrial HMI operating station 102 for monitoring and controlling equipment in the vicinity of the fixed points 1011, 1012, 1013, etc. on the pipeline 101. The industrial HMI operator station 102 has a configuration as shown, and generally the operator station 102 can have a cavity for receiving the industrial HMI 104 and can include a post that can be secured about points 1011, 1012, 1013, etc. As shown, the industrial HMI 104 can include a touch-enabled screen on which monitoring information and controls (e.g., virtual buttons, etc.) can be presented so that an operator can monitor and control the equipment associated with the site. Additionally, an entity crash stop button 103 is included on the industrial HMI operator station 102. Upon failure, the operator may activate the emergency stop button 103 to shut down the equipment associated with the site, thereby preventing the failure or damage from spreading throughout the production line.
However, the traditional industrial HMI has a closed general ecology, software and hardware are generally bound, and the openness and the function expandability of the traditional industrial HMI cannot keep up with the major trend of intelligent manufacturing IOT fusion. On the other hand, due to the deep binding of the software and the hardware, the software and the hardware are limited more when selecting the type, and the cost is high. In addition, the traditional industrial HMI line edge fixing and placing mode determines that the visual field is limited and the compatibility is poor, and equipment safety risks may exist during operation. Because the frequency of use is not high, the utilization rate of a large number of industrial HMI arranged on a production line is low, and the condition of resource waste also exists.
According to an aspect of the present application, a mobile terminal for an industrial human-machine interface is provided. FIG. 2 illustrates a usage scenario of a mobile terminal 202 (also referred to herein as a "mobile HMI") according to some examples of the invention. As shown, the mobile HMI 202 will no longer be fixed at a fixed location and will not couple into a fixed operator station. An operator on the production line 201 can carry the mobile HMI 202 to navigate among a plurality of sites 2011, 2012, 2013, etc. (each site having an NFC tag) of the production line 201, and the mobile HMI 202 communicates with the identity tags of the sites 2011, 2012, 2013, etc. through a near field communication scheme such as NFC.
In some examples, the mobile HMI 202 can select a general purpose hardware-based mobile terminal device as a hardware carrier for the HMI configuration program, e.g., can be based on a mobile tablet (hereinafter "mobile tablet"). The mobile HMI 202 can employ a configuration operating system that can be independently installed or operated on a mobile tablet system (e.g., linux operating system, windows operating system, android operating system, etc.), such that a configuration program can be operated on the mobile tablet, thereby implementing software and hardware decoupling. The scheme abandons the closed ecology that software and hardware need be bound in the traditional HMI industrial control equipment, and utilizes the software and hardware resources provided by the open ecology of the mobile tablet, so that the functions are richer, and the expansion is more flexible.
Because the mobile HMI 202 adopts a mobile flat plate as the display device, the mobile operation and maintenance can be realized according to the position distribution of the operation object and the requirement of the visual field, and the use is more flexible and convenient.
On the other hand, since the industrial HMI is used for realizing human-machine interaction, equipment operation, mechanical-electrical safety-related specifications still need to be sufficiently considered in mobile operation. According to the relevant technical specifications of ISO 13850. As shown in fig. 1, the conventional industrial HMI 104 is typically embedded in the electrical control cabinet panel, and is configured with an emergency stop button 103 below or around the panel, which is used when an operator operates the equipment. The emergency stop button 103 can be pressed in time to cut off the power supply of the equipment to stop the equipment once an emergency state occurs. When the mobile terminal is used for operation, the emergency stop button 103 may not be within the reach of the operator, and potential safety hazards may exist. To this end, a non-contact position detection scheme is employed in some embodiments of the present application to ensure that the operator has access to the various pages of the mobile terminal only at locations where security assessments determine that there is no risk and that the emergency stop button 103 is readily accessible, and otherwise only has access to review.
Specifically, as shown in fig. 3, the mobile terminal 30 includes a short-range communication module 301, an operating environment 302, and an interactive interface 303. Through the above components, the mobile terminal 30 can move between a plurality of sites on a production line, and can monitor and control devices near the sites.
The short-range communication module 301 of the mobile terminal 30 is configured to communicate with the identity tag deployed at the predetermined workstation within a predetermined range to acquire the workstation number located at the predetermined workstation. In some embodiments of the present application, short-range communication module 301 operates based on the NFC protocol and the identity tag is an NFC tag. The purpose of integrating the NFC near-field wireless communication function on the model selection of the mobile terminal 30 is to implement the use position detection, and accordingly, complete the configuration program call of the corresponding area position, and then allocate the operation permission according to the permission management policy, so as to meet the security application specification of the industrial HMI. In addition, another reason for adopting the NFC technology is that the sensing distance is small (within 10 cm), which meets the limit requirement of the safety distance of mobile applications, and the operable range is accurately controlled in a risk-free area. In addition, compared with other wireless technologies, the NFC technology is high in connection stability, low in power consumption, high in confidentiality and safety and more suitable for industrial scene application of the mobile HMI. Of course, in other examples, short-range communication may be implemented using bluetooth, zigBee, and the like. Accordingly, in order to satisfy communication within a predetermined range, the transmission power at the mobile terminal 30 may be appropriately adjusted. When using bluetooth, zigBee or the like, the identity tag may be a low power consuming communication module rather than a passive electronic tag that is only activated by a signal transmitted at the mobile terminal 30.
The runtime environment 302 of the mobile terminal 30 is configured to load the corresponding engineering configuration software. The process of loading the engineering configuration software by the runtime environment 302 does not require human intervention and thus will be non-intrusive to the operation and maintenance personnel. In some embodiments of the present application, the runtime environment 302 is built on top of a general purpose operating system. For example, some examples of the present application eliminate the traditional HMI terminal screen that configures the runtime environment and hardware binding. Taking Siemens WINCC configuration software as an example, WINCC Basic and WINCC Comfort configuration software can configure all industrial panels of Siemens, that is, engineering software and industrial HMI which are used traditionally. When two types of configuration software, namely Wincc Advanced and Wincc Professional, are selected, the configuration software is matched with a running system Wincc Runtime Advanced and Wincc Runtime Professional based on a PC (personal computer), and the running system Wincc Runtime Advanced and Wincc Runtime Professional can run on a mobile panel of a Windows operating system, so that the universal mobile terminal is used for replacing a traditional industrial panel. In other examples, other configuration software environments that can run on operating systems such as Windows may be used.
The interactive interface 303 of the mobile terminal 30 is configured to provide a control interface for the engineering configuration software according to the workstation number, the control interface is suitable for the current workstation (point) and can have various GUI display units and controls. Because the control interface provides the operation right only under the condition that the short-range communication module 301 is in communication connection with the identity tag, the operation and maintenance personnel can be ensured to control various devices in a 'quasi-local' manner instead of remote control in a 'remote' manner.
As previously described, the NFC smart tag is deployed in a suitable location within reach via a risk assessment and the scram button. Because the NFC smart tag is passive, its deployment requires only mechanical installation, without additional electrical and energy investment. The data in the NFC smart tag contains information that can be numbered for that location (station or area). Because the configuration programs of the conventional fixed HMI are in a one-to-one correspondence with the area in which they are located, a single fixed industrial HMI can only run one fixed configuration program. When the mobile terminal 30 is adopted, the corresponding access range of the mobile HMI is expanded to the whole linear body, that is, a plurality of configuration programs need to be deployed on a single mobile HMI, and a control interface which needs to be opened is identified according to the position, so that misoperation during manual program calling can be avoided. As can be seen, in some examples of the present application, the control interface for automatically invoking the corresponding configuration program by the mobile tablet may be implemented by reading the location number information in the NFC tag.
In addition, the NFC smart tag may include information that enables operation authority. When the NFC terminal device, i.e. the mobile tablet, is within the sensing range of the NFC smart tag, permission to obtain the operation right is allowed, i.e. the device in the configuration program can be operated accordingly, and the location is confirmed by the security risk assessment and the emergency stop button is within the reachable range. Because the mobile tablet can only obtain the operation authority in the communication range of NFC, once any place of the production line is abnormal due to certain operation, the emergency stop of the production line can be immediately realized by pressing the emergency stop button which is not far away from the current position of the mobile tablet, and the abnormality is prevented from spreading to other positions of the production line.
It follows that in the present application, short-range (field) communication, such as NFC, will take on two tasks simultaneously: firstly, positioning of the mobile tablet is realized so as to trigger relevant control functions; secondly, the operable range of the mobile flat plate is limited within a certain range, thereby meeting the requirements of safety regulations.
With continued reference to FIG. 3, in some embodiments of the present application, the mobile terminal 30 further includes a login module 304, the login module 304 configured to determine whether the login account number has operational rights at a predetermined workstation. In some examples, the operation and maintenance personnel need to log in the account first, and then the login module 304 can confirm the information of the type, authority, and the like of the account. For example, if it is determined that the account does not have the operation right, the operation right is not granted.
In some examples, the short-range communication module 301 is configured to send an operation authority request to the identity tag and receive permission information about the operation authority request from the identity tag if the login module determines that the login account has operation authority at the predetermined workstation. In some examples, the interactive interface 303 is configured to provide a control interface based on the permission information. In some examples, the runtime environment 302 may also revoke the operational rights of the engineering configuration software after a predetermined time is reached.
In some embodiments of the present application, the control interface provided by the interactive interface 303 may include various types of virtual keys. In some examples, an additional physical emergency stop button may be disposed on the mobile terminal 30 in addition to the emergency stop button disposed near the fixed point location.
According to another aspect of the present application, a method of using an industrial human machine interface mobile terminal is provided. As shown in fig. 4, a method 40 for using an industrial human-machine interface mobile terminal (hereinafter referred to as method 40) includes the following steps: communicating the mobile terminal close to an identity tag deployed at a predetermined workstation in step S402 to acquire a workstation number at the predetermined workstation based on a short-range communication protocol; loading corresponding engineering configuration software in step S404; and in step S406, providing a control interface for the engineering configuration software according to the workstation number, wherein the control interface provides the operation right only when the mobile terminal and the identity tag are in communication connection. Through the above steps of method 40, the mobile terminal may be enabled to move between a plurality of sites on a production line and may be able to monitor and control equipment in the vicinity of the sites. The specific steps performed by the method 40 can also be performed by referring to the specific embodiments of the mobile terminal 30 described above, and the related descriptions are incorporated herein, which are not repeated herein for brevity.
In some embodiments of the present application, the short-range communication protocol is an NFC protocol and the identity tag is an NFC tag.
In some embodiments of the present application, providing a control interface for the engineering configuration software according to the workstation number in step S406 includes the following steps: determining whether the login account number has an operation authority at a preset station, and sending an operation authority request to the identity tag under the condition of determining that the login account number has the operation authority; receiving permission information about the operation authority request from the identity tag; and providing the control interface based on the permission information.
In some embodiments of the present application, the method 40 further comprises the steps of: and canceling the operation authority of the engineering configuration software after the preset time is reached.
In some embodiments of the present application, the control interface may include various types of virtual keys. In some examples, an additional physical emergency stop button may be disposed on the mobile terminal in addition to the emergency stop button disposed near the fixed point location.
According to another aspect of the present application, there is provided a computer-readable storage medium having stored therein instructions, which when executed by a processor, cause the processor to perform any one of the methods of using an industrial human machine interface mobile terminal as described above. Computer-readable media as referred to in the present application includes various types of computer storage media and can be any available media that can be accessed by a general purpose or special purpose computer. By way of example, computer-readable media may include RAM, ROM, EPROM, E 2 PROMs, registers, hard disks, removable disks, CD-ROMs or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any device capable of being used to carry or store information having a fingerOr any other transitory or non-transitory medium that can be accessed by a general purpose or special purpose computer or a general purpose or special purpose processor. A disk, as used herein, typically reproduces data magnetically, while a disk reproduces data optically with a laser. Combinations of the above should also be included within the scope of computer-readable media. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
The mobile terminal for industrial human-computer interaction and the use method thereof described in the embodiments of the present application can not only realize the human-computer interaction function of the traditional fixed HMI, but also meet the application and safety related requirements required under the new attribute of mobile operation and maintenance. The above are only specific embodiments of the present application, but the scope of protection of the present application is not limited thereto. Other possible variations or substitutions may occur to those skilled in the art based on the teachings herein, and are intended to be covered by the present disclosure. In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The protection scope of this application is subject to the description of the claims.
Claims (14)
1. A mobile terminal for industrial human-machine interface, characterized in that it comprises:
a short-range communication module configured to communicate with an identity tag deployed at a predetermined workstation within a predetermined range to obtain a workstation number located at the predetermined workstation;
an operating environment configured to load engineering configuration software; and
an interactive interface configured to provide a control interface for the engineering configuration software based on the workstation number, wherein the control interface provides operational rights only if the short-range communication module remains in communication with the identity tag.
2. The terminal of claim 1, wherein the short-range communication module operates based on an NFC protocol and the identity tag is an NFC tag.
3. The terminal of claim 1, wherein the terminal further comprises:
a login module configured to determine whether a login account has operating permissions at the predetermined workstation.
4. The terminal of claim 3, wherein the short-range communication module is configured to send an operation permission request to the identity tag and receive permission information about the operation permission request from the identity tag if the login module determines that the login account number has operation permission at the predetermined workstation.
5. The terminal of claim 4, wherein the interactive interface is configured to provide the control interface based on the permission information.
6. The terminal of claim 5, wherein the runtime environment is configured to revoke the operational rights of the engineering configuration software after a predetermined time has elapsed.
7. The terminal of claim 1, wherein the control interface comprises a virtual key.
8. The terminal of claim 1, wherein the runtime environment is built on top of a general purpose operating system.
9. A method of using an industrial human machine interface mobile terminal, the method comprising:
communicating the mobile terminal close to an identity tag deployed at a preset workstation to acquire a workstation number at the preset workstation based on a short-range communication protocol;
loading engineering configuration software; and
and providing a control interface aiming at the engineering configuration software according to the station number, wherein the control interface provides operation permission under the condition that the mobile terminal is in communication connection with the identity tag.
10. The method of claim 9, wherein the short-range communication protocol is an NFC protocol and the identity tag is an NFC tag.
11. The method of claim 9, wherein providing a control interface for the engineering configuration software according to the workstation number comprises:
determining whether the login account has the operation authority at the preset workstation, and sending an operation authority request to the identity tag if the login account has the operation authority;
receiving permission information regarding the operation permission request from the identity tag; and
providing the control interface based on the permission information.
12. The method of claim 11, wherein the method further comprises: and revoking the operation authority of the engineering configuration software after the preset time is reached.
13. The method of claim 9, wherein the control interface comprises a virtual key.
14. A computer-readable storage medium having instructions stored therein, which when executed by a processor, cause the processor to perform the method of any one of claims 9-13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211094881.9A CN115327998A (en) | 2022-09-08 | 2022-09-08 | Mobile terminal for industrial human-computer interface and use method thereof |
| PCT/CN2023/104873 WO2024051324A1 (en) | 2022-09-08 | 2023-06-30 | Mobile terminal for industrial human-machine interface, and using method thereof |
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| CN202211094881.9A CN115327998A (en) | 2022-09-08 | 2022-09-08 | Mobile terminal for industrial human-computer interface and use method thereof |
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Cited By (1)
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| WO2024051324A1 (en) * | 2022-09-08 | 2024-03-14 | 蔚来汽车科技(安徽)有限公司 | Mobile terminal for industrial human-machine interface, and using method thereof |
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| WO2024051324A1 (en) * | 2022-09-08 | 2024-03-14 | 蔚来汽车科技(安徽)有限公司 | Mobile terminal for industrial human-machine interface, and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024051324A1 (en) | 2024-03-14 |
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