CN111176237A - System and method for controlling production line equipment by using handheld terminal during shutdown maintenance - Google Patents
System and method for controlling production line equipment by using handheld terminal during shutdown maintenance Download PDFInfo
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- CN111176237A CN111176237A CN201911423289.7A CN201911423289A CN111176237A CN 111176237 A CN111176237 A CN 111176237A CN 201911423289 A CN201911423289 A CN 201911423289A CN 111176237 A CN111176237 A CN 111176237A
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- control
- equipment
- mobile control
- monitoring server
- operator
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a system and a method for controlling production line equipment by using a handheld terminal during shutdown maintenance, which comprises the following steps: the system comprises an equipment control client, a control network local area network, a wireless communication base station, a monitoring server and a mobile control terminal; the equipment control client is arranged on the controlled equipment, receives the control instruction of the mobile control terminal and controls the controlled equipment to operate; the mobile control terminal performs operation control based on a human-computer interface, and realizes control of power failure, power transmission and operation of online equipment by limiting operation limits of different levels through different authorities; the access control method has the advantages that the access control method has the authority for the maintainers, the maintainers can utilize the handheld terminal to perform power failure operation when power failure occurs, and power transmission is performed through the handheld terminal after maintenance is completed. Based on the method, the working time of power failure and power transmission can be shortened, and the working efficiency is improved; the potential safety hazard caused by misoperation of electrical personnel can be reduced. The method can automatically count the starting time and the ending time of the overhaul project and improve the operation rate of the production line.
Description
Technical Field
The invention relates to the technical field of steel smelting, in particular to a system and a method for controlling production line equipment by using a handheld terminal during shutdown maintenance.
Background
At present, the hot rolling and cold rolling process of metallurgical enterprises has long production line and numerous linkage conditions, and during maintenance operation, in order to ensure personnel safety, the plate hanging is carried out on the operation equipment in case of power failure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a power-off operation device which can carry out power-off operation by a non-electric operator and solve the problem of occupying time of electric personnel.
The method specifically comprises the following steps: the system comprises an equipment control client, a control network local area network, a wireless communication base station, a monitoring server and a mobile control terminal;
the mobile control terminal is respectively in communication connection with the equipment control client and the monitoring server through a control network local area network and a wireless communication base station;
the device control client is arranged on the controlled device and used for receiving a control instruction sent by the mobile control terminal remotely and controlling the controlled device to operate;
the monitoring server monitors the operation process of the mobile control terminal and the equipment control client in real time, and manages and records the operation process and the operation authority;
the mobile control terminal sends and receives wireless communication signals, controls the controlled equipment to operate and also receives a monitoring instruction of the monitoring server; the mobile control terminal logs in and authorizes the user to use through a user name and an authorization password;
the mobile control terminal performs operation control based on a human-computer interface, and realizes control of power failure, power transmission and operation of online equipment by limiting operation limits of different levels through different authorities;
the monitoring server authorizes the mobile control terminal to allow operation and access under the condition that a production line is stopped, automatically cancels the remote access authority under the condition that the production line is operated, and forbids remote control.
Preferably, the mobile control terminal is configured with a device refreshing module, a switch control module, a device timing control module, a device adding module and a device deleting module.
Preferably, the system is configured with a P2P network structure, a preset number of mobile control terminals and controlled devices are connected to the P2P network structure, and the mobile control terminals and the controlled devices based on the P2P network structure and the mobile control terminals are mutually located by using DHT.
Preferably, when two mobile control terminals communicating with each other and a controlled device are in communication connection, or the mobile control terminals are in communication connection, a starting party sends a request to a called party, invites the called party to establish a device for controlling communication, and configures device control information in the request; if the called party joins, sending joining response, and simultaneously, listing the equipment control mode and control parameter supported by the called party in the equipment control information;
the initiator sends a confirmation control message to confirm that the called party receives the response;
and after the called party replies the received response, the called party and the initiator establish a communication control relation network.
Preferably, if a third party joins the established communication control relationship network, a relationship network joining request is sent to the monitoring server;
the monitoring server forwards the relation network joining request to the initiator and attaches third party address information, an equipment control mode and control parameters;
after the connection is confirmed by the starting party, the starting party sends the connection to the monitoring server;
and the monitoring server accesses a third party to the established communication control relation network.
Preferably, the initiator and the called party of the established communication control relation network communicate and transmit data through an RPT protocol; and the control instruction, the control data and the equipment state data are transmitted through RPT protocol communication.
Preferably, the method further comprises the following steps: a database;
the database is used for storing the process information of system operation, including the operation control information of the mobile control terminal, the operation information of the controlled equipment and the network communication state information; the monitoring server gathers various data information of the system, stores the data information into the database, further realizes a data query function, and calls the data in the database to perform query display through the monitoring server based on WEB operation.
Preferably, the mobile control terminal is configured with a controller, a data storage, a communication module, a SIM card interface, a JTAG module, an SPI interface, an I2C interface, a UART interface, and a touch screen;
the data storage, the communication module, the SIM card interface, the JTAG module, the SPI interface, the I2C interface, the UART interface and the touch screen are respectively connected with the controller;
the controller adopts an STM32 chip and is provided with a flash program memory, an SRAM, an analog-to-digital converter, a bidirectional IO port, a timer, a PWM timer for controlling a motor, a DAC timer for driving and a watchdog timer;
the communication module employs a SIM300 chip.
Preferably, the mobile control terminal identifies the user identity through a fingerprint, or an iris, or a voice, or a password.
The invention also provides a method for controlling the production line equipment by using the handheld terminal during shutdown maintenance, and a system for controlling the production line equipment by using the handheld terminal during shutdown maintenance, wherein the method comprises the following steps:
configuring a handheld terminal, authenticating the real name of an operator, and issuing authority according to the unique operator number;
the field monitoring equipment after power failure displays red color and displays information of an operator, a range and time;
the authority is closed during normal production, and the authority is opened after parking;
after the operation is finished, the operator resumes power transmission at the handheld terminal;
one operator stops a plurality of devices simultaneously, or a plurality of operators stop the same device;
a plurality of operators power off the same equipment, wherein power cannot be supplied when one operator does not recover;
only the operator with power failure has the authority to recover power transmission, and other operators can not replace the operator;
when the condition of recovering power transmission is met, the operator does not recover power transmission and leaves, and the operator with the authority of the administrator transmits power;
after the controlled equipment is started to produce, the operation authority of an operator is closed;
in the maintenance process, all operators can observe the power failure condition information through the mobile control terminal.
According to the technical scheme, the invention has the following advantages:
according to the invention, through the system for controlling the production line equipment by using the handheld terminal during shutdown maintenance, the authority of a maintenance worker is opened, so that the maintenance worker can perform power failure operation by using the handheld terminal during power failure, and power is transmitted through the handheld terminal after the maintenance is finished. Based on the method, the working time of power failure and power transmission can be shortened, and the working efficiency is improved; potential safety hazards caused by misoperation of electrical personnel can be reduced; the start time and the end time of the overhaul project can be automatically counted, so that counting and management are facilitated; the operation rate of the production line is improved; the maintenance management level can be improved, and the enterprise image is integrally improved. The mobile control terminal is adopted to display the picture of the production line on the picture, the power failure operation point is clear at a glance, the procedures of power failure tag hanging and power transmission tag picking are shortened, and the management level of the maintenance process is integrally improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a system for controlling production line equipment by using a handheld terminal during shutdown maintenance;
fig. 2 is a schematic diagram of a mobile control terminal.
Detailed Description
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The invention provides a system for controlling production line equipment by using a handheld terminal during shutdown maintenance, which comprises the following components as shown in figures 1 to 2: the system comprises an equipment control client 1, a control network local area network, a wireless communication base station 2, a monitoring server 3 and a mobile control terminal 4;
the mobile control terminal 4 is respectively in communication connection with the equipment control client 1 and the monitoring server 3 through a control network local area network and the wireless communication base station 2; the equipment control client 1 is arranged on the controlled equipment and used for receiving a control instruction remotely sent by the mobile control terminal 4 and controlling the controlled equipment to operate; the monitoring server 3 monitors the running process of the mobile control terminal 4 and the equipment control client 1 in real time, and manages and records the operation process and the operation authority; the mobile control terminal 4 sends and receives wireless communication signals, controls the controlled equipment to operate and also receives a monitoring instruction of the monitoring server 3; the mobile control terminal 4 logs in and authorizes the use through a user name and an authorization password; the mobile control terminal 4 performs operation control based on a human-computer interface, and limits operation limits of different levels through different authorities to control power failure, power transmission and operation of online equipment; the monitoring server 3 authorizes the mobile control terminal 4 to allow operation and access under the condition that a production line is stopped, automatically cancels the remote access authority under the condition that the production line is operated, and forbids remote control.
In the local area network of the control network, the mobile control terminal 4 is configured with remote control software to ensure that the mobile control terminal 4 runs in the local area network, remote operation is carried out through the local area network, and login access operation software is carried out through the set user name and the set authority to implement recording operation information. The mobile control terminal 4 can remotely log in the monitoring server 3, and perform remote control operation after authentication based on the identity authority of the monitoring server 3. The operation limitation of different levels can be limited through different authorities, and the power failure and power transmission implementation operation of the online equipment is realized. The remote access permission method is characterized in that operation and access are allowed under the condition that a production line is stopped, remote access permission is automatically cancelled under the condition that the production line is operated, and remote control is forbidden.
The mobile control terminal 4 may be implemented in various forms. For example, the terminal described in the embodiments of the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a personal digital assistant, a tablet computer (PAD), and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
The control network local area network supports wireless internet access of the mobile terminal. May be internally or externally coupled to the terminal. The wireless internet Access technology related to the module may include wireless local Area network (Wi-Fi, WLAN), wireless broadband (Wibro), worldwide interoperability for microwave Access (worldwide interoperability for microwave Access), High Speed Downlink Packet Access (HSDPA), and the like.
In the invention, the mobile control terminal 4 is configured with a device refreshing module, a switch control module, a device timing control module, a device adding module and a device deleting module.
The equipment refreshing module realizes checking of state information of the production line equipment, sends information to the production line equipment to acquire whether a request of the state is replied or not, and simultaneously acquires state information such as switching conditions of the production line equipment, so that a user can conveniently acquire all states of the production line equipment.
The switch control module ensures the stability of control and is realized by adopting a multi-thread communication mode, wherein a main thread is arranged to send a control instruction, and a thread waits for receiving and storing data fed back from the controlled equipment. And a thread is also configured to extract the received feedback data for processing. When the processing thread analyzes the reply data corresponding to the sending control data, the sending thread and the receiving thread are informed, the receiving thread is terminated, and meanwhile, the main thread finishes sending, so that the stability of remote control is ensured, and the current state of the controlled equipment can be obtained.
The equipment timing control module configures a control instruction which needs to be sent when a preset time point is set, selects the controlled equipment, sets corresponding time and a control mode, and adds an equipment timing control task. Periodic tasks of the controlled device can also be set. The device adding module is used for adding controlled device information; and the equipment deleting module is used for deleting the information of the current controlled equipment.
Meanwhile, as the present invention, the monitoring server 3 may also be configured with an equipment refreshing module, a switch control module, an equipment timing control module, an equipment adding module, and an equipment deleting module. The specific implementation function is the same as that described above.
The invention aims to realize smooth information communication, ensure that the information among the equipment control client 1, the monitoring server 3 and the mobile control terminal 4 is kept smooth, and avoid the interference of network communication.
The system is configured with a P2P network structure, a preset number of mobile control terminals 4 and controlled devices are connected to the P2P network structure, and the mobile control terminals 4 and the controlled devices based on the P2P network structure and the mobile control terminals 4 are mutually positioned by using DHT. That is, between the mobile control terminal 4 and the controlled device, the mobile control terminal 4 may separately form a connection network for intercommunication. Therefore, the problem that the control is influenced because the equipment control client 1, the monitoring server 3 and the mobile control terminal 4 cannot communicate with each other when the whole network has problems is avoided.
When two mobile control terminals 4 and controlled devices which are communicated with each other or the mobile control terminals 4 are in communication connection, a starting party sends a request to a called party, invites the called party to establish a device for controlling communication, and configures device control information in the request; if the called party joins, sending joining response, and simultaneously, listing the equipment control mode and control parameter supported by the called party in the equipment control information; the initiator sends a confirmation control message to confirm that the called party receives the response; and after the called party replies the received response, the called party and the initiator establish a communication control relation network.
The initiator here may be the mobile control terminal 4 or the monitoring server 3. The called party can be the mobile control terminal 4 and the controlled device, and the point-to-point communication connection is realized.
If the third party joins the established communication control relation network, a relation network joining request is sent to the monitoring server 3; the monitoring server 3 forwards the relation network joining request to the initiator and attaches third party address information, an equipment control mode and control parameters; after confirming the connection, the starting party sends the connection to the monitoring server 3; the monitoring server 3 accesses the third party to the established communication control relation network. The third party may be the mobile control terminal 4
The initiator and the called party of the established communication control relation network communicate and transmit data through an RPT protocol; and the control instruction, the control data and the equipment state data are transmitted through RPT protocol communication.
In the invention, the method also comprises the following steps: a database; the database is used for storing the process information of system operation, including the operation control information of the mobile control terminal 4, the operation information of the controlled equipment and the network communication state information; the monitoring server 3 gathers various data information of the system, stores the data information into the database, further realizes a data query function, and calls the data in the database to perform query display through the monitoring server 3 based on WEB operation.
The mobile control terminal 4 of the present invention is configured with a controller 11, a data storage 12, a communication module 13, a SIM card interface 14, a JTAG module 15, an SPI interface 16, an I2C interface 17, a UART interface 18, and a touch screen 19; the data storage 12, the communication module 13, the SIM card interface 14, the JTAG module 15, the SPI interface 16, the I2C interface 17, the UART interface 18, and the touch screen 19 are respectively connected to the controller 11; the controller adopts an STM32 chip and is provided with a flash program memory, an SRAM, an analog-to-digital converter, a bidirectional IO port, a timer, a PWM timer for controlling a motor, a DAC timer for driving and a watchdog timer; the communication module 13 employs a SIM300 chip. In order to improve the security of the mobile control terminal 4 and avoid the use of unauthorized persons, the user identity is identified by fingerprint, or iris, or voice, or password.
Based on the system, the invention also provides a method for controlling the production line equipment by using the handheld terminal during shutdown maintenance, and a system for controlling the production line equipment by using the handheld terminal during shutdown maintenance, wherein the method comprises the following steps:
configuring a handheld terminal, authenticating the real name of an operator, and issuing authority according to the unique operator number;
the field monitoring equipment after power failure displays red color and displays information of an operator, a range and time;
the authority is closed during normal production, and the authority is opened after parking;
after the operation is finished, the operator resumes power transmission at the handheld terminal;
one operator stops a plurality of devices simultaneously, or a plurality of operators stop the same device;
a plurality of operators power off the same equipment, wherein power cannot be supplied when one operator does not recover;
only the operator with power failure has the authority to recover power transmission, and other operators can not replace the operator;
when the condition of recovering power transmission is met, the operator does not recover power transmission and leaves, and the operator with the authority of the administrator transmits power;
after the controlled equipment is started to produce, the operation authority of an operator is closed;
in the maintenance process, all operators can observe the power failure condition information through the mobile control terminal.
Based on the method, the working time of power failure and power transmission can be shortened, and the working efficiency is improved; potential safety hazards caused by misoperation of electrical personnel can be reduced; the start time and the end time of the overhaul project can be automatically counted, so that counting and management are facilitated; the operation rate of the production line is improved; the maintenance management level can be improved, and the enterprise image is integrally improved. The mobile control terminal is adopted to display the picture of the production line on the picture, the power failure operation point is clear at a glance, the procedures of power failure tag hanging and power transmission tag picking are shortened, and the management level of the maintenance process is integrally improved.
The conservative estimates benefit is as follows:
taking a hot-rolled strip steel production line with annual output of 240 ten thousand tons as an example:
assuming that the fixed repair is performed once every 10 days and 36 times per year, the fixed repair time is saved for 45 minutes each time, and the annual saving is 45 x 36 to 1620 minutes, according to the ton steel benefit of the hot rolled strip steel, the annual benefit is as follows:
240/360/24/60 x 1620 x 300 x 225 ten thousand yuan.
Take a cold-rolled strip steel production line with annual output of 150 ten thousand tons as an example:
assuming that the fixed repair is performed once every 15 days and 24 times per year, the fixed repair time is saved for 45 minutes each time, and the annual saving is 45 x 24-1080 minutes, according to 200 yuan per ton of steel benefit of the cold-rolled strip, the annual benefit is as follows:
150/360/24/60 1080 ═ 200 ═ 62.5 ten thousand yuan
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a utilize handheld terminal to carry out production line equipment control's system when shutting down to overhaul which characterized in that includes: the system comprises an equipment control client, a control network local area network, a wireless communication base station, a monitoring server and a mobile control terminal;
the mobile control terminal is respectively in communication connection with the equipment control client and the monitoring server through a control network local area network and a wireless communication base station;
the device control client is arranged on the controlled device and used for receiving a control instruction sent by the mobile control terminal remotely and controlling the controlled device to operate;
the monitoring server monitors the operation process of the mobile control terminal and the equipment control client in real time, and manages and records the operation process and the operation authority;
the mobile control terminal sends and receives wireless communication signals, controls the controlled equipment to operate and also receives a monitoring instruction of the monitoring server; the mobile control terminal logs in and authorizes the user to use through a user name and an authorization password;
the mobile control terminal performs operation control based on a human-computer interface, and realizes control of power failure, power transmission and operation of online equipment by limiting operation limits of different levels through different authorities;
the monitoring server authorizes the mobile control terminal to allow operation and access under the condition that a production line is stopped, automatically cancels the remote access authority under the condition that the production line is operated, and forbids remote control.
2. The system of claim 1,
the mobile control terminal is configured with a device refreshing module, a switch control module, a device timing control module, a device adding module and a device deleting module.
3. The system according to claim 1 or 2,
the system is configured with a P2P network structure, a preset number of mobile control terminals and controlled devices are connected to the P2P network structure, and the mobile control terminals and the controlled devices based on the P2P network structure and the mobile control terminals locate each other by using DHT.
4. The system of claim 3,
when two mobile control terminals which are communicated with each other and a controlled device are in communication connection, or the mobile control terminals are in communication connection, a starting party sends a request to a called party, invites the called party to establish a device for controlling communication, and configures device control information in the request; if the called party joins, sending joining response, and simultaneously, listing the equipment control mode and control parameter supported by the called party in the equipment control information;
the initiator sends a confirmation control message to confirm that the called party receives the response;
and after the called party replies the received response, the called party and the initiator establish a communication control relation network.
5. The system of claim 4,
if the third party joins the established communication control relation network, sending a relation network joining request to the monitoring server;
the monitoring server forwards the relation network joining request to the initiator and attaches third party address information, an equipment control mode and control parameters;
after the connection is confirmed by the starting party, the starting party sends the connection to the monitoring server;
and the monitoring server accesses a third party to the established communication control relation network.
6. The system of claim 4,
the initiator and the called party of the established communication control relation network communicate and transmit data through an RPT protocol; and the control instruction, the control data and the equipment state data are transmitted through RPT protocol communication.
7. The system of claim 1,
further comprising: a database;
the database is used for storing the process information of system operation, including the operation control information of the mobile control terminal, the operation information of the controlled equipment and the network communication state information; the monitoring server gathers various data information of the system, stores the data information into the database, further realizes a data query function, and calls the data in the database to perform query display through the monitoring server based on WEB operation.
8. The system of claim 1,
the mobile control terminal is provided with a controller, a data storage, a communication module, a SIM card interface, a JTAG module, an SPI interface, an I2C interface, a UART interface and a touch screen;
the data storage, the communication module, the SIM card interface, the JTAG module, the SPI interface, the I2C interface, the UART interface and the touch screen are respectively connected with the controller;
the controller adopts an STM32 chip and is provided with a flash program memory, an SRAM, an analog-to-digital converter, a bidirectional IO port, a timer, a PWM timer for controlling a motor, a DAC timer for driving and a watchdog timer;
the communication module employs a SIM300 chip.
9. The system of claim 1,
the mobile control terminal identifies the user identity through fingerprints, or irises, or voice, or passwords.
10. A method for controlling production line equipment by using a handheld terminal during maintenance shutdown, which is characterized in that the system for controlling production line equipment by using the handheld terminal during maintenance shutdown as claimed in any one of claims 1 to 9 is adopted, and the method comprises the following steps:
configuring a handheld terminal, authenticating the real name of an operator, and issuing authority according to the unique operator number;
the field monitoring equipment after power failure displays red color and displays information of an operator, a range and time;
the authority is closed during normal production, and the authority is opened after parking;
after the operation is finished, the operator resumes power transmission at the handheld terminal;
one operator stops a plurality of devices simultaneously, or a plurality of operators stop the same device;
a plurality of operators power off the same equipment, wherein power cannot be supplied when one operator does not recover;
only the operator with power failure has the authority to recover power transmission, and other operators can not replace the operator;
when the condition of recovering power transmission is met, the operator does not recover power transmission and leaves, and the operator with the authority of the administrator transmits power;
after the controlled equipment is started to produce, the operation authority of an operator is closed;
in the maintenance process, all operators can observe the power failure condition information through the mobile control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911423289.7A CN111176237A (en) | 2019-12-31 | 2019-12-31 | System and method for controlling production line equipment by using handheld terminal during shutdown maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911423289.7A CN111176237A (en) | 2019-12-31 | 2019-12-31 | System and method for controlling production line equipment by using handheld terminal during shutdown maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111176237A true CN111176237A (en) | 2020-05-19 |
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ID=70656013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911423289.7A Withdrawn CN111176237A (en) | 2019-12-31 | 2019-12-31 | System and method for controlling production line equipment by using handheld terminal during shutdown maintenance |
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| CN (1) | CN111176237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227311A1 (en) * | 2021-04-30 | 2022-11-03 | 腾讯云计算（北京）有限责任公司 | Access processing method for performing remote control on terminal, and device and storage medium |
-
2019
- 2019-12-31 CN CN201911423289.7A patent/CN111176237A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227311A1 (en) * | 2021-04-30 | 2022-11-03 | 腾讯云计算（北京）有限责任公司 | Access processing method for performing remote control on terminal, and device and storage medium |
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Application publication date: 20200519 |