CN211577727U - Industrial mechanical safety interface and system based on NB-IoT technology - Google Patents
Industrial mechanical safety interface and system based on NB-IoT technology Download PDFInfo
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- CN211577727U CN211577727U CN201922494371.0U CN201922494371U CN211577727U CN 211577727 U CN211577727 U CN 211577727U CN 201922494371 U CN201922494371 U CN 201922494371U CN 211577727 U CN211577727 U CN 211577727U
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Abstract
The utility model provides an industry mechanical security interface and system based on NB-IoT technique, include: the mechanical safety interface circuit is used for signal input and output; the first processor and the second processor are connected with the mechanical safety interface circuit and the NB-IoT wireless communication module, control signal transmission and generate field control signals; an NB-IoT wireless communication module for transceiving remote signals; and the configuration interface circuit is connected with the first processor and is used for configuring parameters of the NB-IoT wireless communication module. The utility model discloses a first treater, second treater are to reaching the signal of mechanical safety interface input and vote the processing to realize the wireless long-range receiving and dispatching data of control NB-IoT module to the programming of first treater, reach mechanical safety protection and the remote monitoring to industrial field.
Description
Technical Field
The utility model relates to an industrial production field especially relates to an industrial machinery safety interface and system based on NB-IoT technique.
Background
The mechanical electrical system is essential basic equipment in modern production and life, mechanical electrical equipment is combined with electrician, electronic and digital control, strong current and weak current are combined, the traditional mechanical manufacturing industry is improved, and the mechanical electrical system is an important component of mechanical products. The mechanical equipment brings high efficiency, rapidness and convenience to people, and brings mechanical injuries such as impact, extrusion and the like and non-mechanical injuries such as noise, radiation, fire and the like in the manufacturing, using and operating processes.
In a conventional mechanical safety system, a mechanical safety module acquires field production information and generates a field control signal to ensure the safety of personnel and equipment on the field. However, remote monitoring is lacked, information related to field production such as field production data, equipment fault feedback data and the like cannot be timely and efficiently transmitted and collected, and protective measures cannot be timely taken when accidents occur. How to ensure reliable data transmission on the premise of achieving mechanical safety so as to realize remote monitoring and protection of industrial equipment becomes one of the problems which need to be solved by people in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to an industrial mechanical security interface and system based on NB-IoT technology for achieving mechanical security in an industrial production remote monitoring system.
To achieve the above and other related objects, the present invention provides an NB-IoT technology-based industrial mechanical security interface, which at least includes:
the system comprises a mechanical safety interface circuit, a first processor, a second processor, an NB-IoT wireless communication module and a configuration interface circuit;
the mechanical safety interface circuit is connected with the first processor and the second processor and is used for inputting and outputting signals;
the first processor and the second processor exchange data through a serial peripheral interface, and vote processing is carried out on input signals and operation results; the first processor and the second processor are both connected with the mechanical safety interface circuit, and are used for processing signals input by the mechanical safety interface circuit to obtain field control signals, and the field control signals are output through the mechanical safety interface circuit;
the first processor is also connected with the NB-IoT wireless communication module and controls the mechanical safety interface circuit to transmit signals with the NB-IoT wireless communication module;
the NB-IoT wireless communication module is used for sending production information to a remote monitoring interface;
the configuration interface circuit is connected with the first processor, and the first processor performs parameter configuration on the NB-IoT wireless communication module based on the configuration information received from the configuration interface circuit.
Optionally, the mechanical safety interface circuit includes a signal input interface and a signal output interface; the signal input interface receives production information and transmits the production information to the first processor and the second processor; the signal output interface acquires and outputs control signals from the first processor and the second processor.
Optionally, the production information includes any one or more combination of rotational speed, temperature, pressure, speed, etc.
Optionally, the NB-IoT technology-based industrial mechanical security interface further comprises a first digital switching circuit and a second digital switching circuit;
the first processor and the second processor are respectively connected with the first digital switch circuit and the second digital switch circuit, each processor controls one path of digital switch circuit, carries out logic operation on the production information and the operation results of the first processor and the second processor to obtain a field control signal, and transmits the field control signal to the mechanical safety interface circuit through the first digital switch circuit and the second digital switch circuit.
Optionally, the NB-IoT technology-based industrial mechanical security interface further includes a power module, and the power module supplies power to the mechanical security interface circuit, the first processor, the second processor, and the NB-IoT wireless communication module.
More optionally, the power module includes a first power converter and a second power converter, where the first power converter receives an ac power and converts the ac power into a first dc power; the second power converter is connected with the first power converter and converts the first direct-current power supply into a second direct-current power supply; wherein the voltage values of the AC power supply, the first DC power supply and the second DC power supply are sequentially reduced.
More optionally, the first power converter includes an ac-to-dc converter circuit and a dc-to-dc voltage reduction circuit.
More optionally, the second power converter comprises a low dropout linear voltage regulator circuit.
Optionally, the configuration interface circuit comprises a USB interface.
More optionally, the configuration interface circuit further comprises a power supply, and the power supply can supply power to the first processor when the power supply module does not supply power.
To achieve the above and other related objects, the present invention provides an NB-IoT technology-based industrial mechanical safety system, which at least includes:
the production equipment comprises an industrial mechanical safety interface based on NB-IoT technology, a base station and remote monitoring;
the production equipment is connected with the industrial mechanical safety interface based on NB-IoT technology;
the industrial mechanical safety interface based on the NB-IoT technology transmits the production information of the production equipment to the base station, and transmits the production information to a remote monitoring interface through the base station; meanwhile, processing the production information to obtain a field control signal, wherein the field control signal is used for controlling the production equipment;
the base station communicates with the NB-IoT technology-based industrial mechanical security interface and the remote monitoring;
and the production equipment is monitored by remote monitoring, data analysis is carried out based on the monitored information, and the production flow is optimized.
As described above, the industrial mechanical security interface and system based on NB-IoT technology of the present invention have the following advantages:
the utility model discloses an industry mechanical security interface and system based on NB-IoT technique votes through first treater, second treater to and the signal of mechanical security interface input and handles to programming to first treater realizes the wireless long-range receiving and dispatching data of control NB-IoT module, reaches mechanical security protection and remote monitoring to industrial field. The industrial mechanical safety interface and system based on NB-IoT technology of the utility model can realize the monitoring and safety control of the industrial site through the mechanical safety interface circuit; the production information of industrial field measurement is acquired through the signal input interface, and then the NB-IoT module is controlled to transmit information to remote monitoring, so that data analysis is performed in the remote monitoring, the production flow is optimized, the production efficiency is improved, and the remote monitoring and protection of field personnel and equipment can be realized on the premise of mechanical safety.
Drawings
Fig. 1 is a schematic structural diagram of an industrial mechanical security interface based on NB-IoT technology according to the present invention.
Fig. 2 shows a schematic structural diagram of the mechanical safety interface circuit of the present invention.
Fig. 3 is a schematic diagram of a power converter according to the present invention.
Fig. 4 is a schematic structural diagram of the NB-IoT technology-based industrial mechanical safety system according to the present invention.
Fig. 5 is a schematic view showing a structure of a conventional industrial mechanical safety system.
Fig. 6 is a schematic diagram illustrating an operation principle of the NB-IoT technology-based industrial mechanical safety system according to the present invention.
Description of the element reference numerals
1 industrial mechanical safety interface based on NB-IoT technology
11 mechanical safety interface circuit
111 signal input interface
112 signal output interface
12 first processor
13 second processor
14 NB-IoT wireless communication module
15 configuration interface circuit
16 power supply module
161 first power converter
162 second power converter
17 first digital switching circuit
18 second digital switching circuit
2 production facility
3 base station
4 remote monitoring
5 mechanical safety module
6 industrial machinery safety system based on NB-IoT technology
7 traditional industrial machinery safety system
Detailed Description
The embodiments of the present invention are described below with specific examples, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the technical specification. The utility model discloses can also implement or use through other different concrete implementation, each item detail in this technical book also can be based on different viewpoints and application, does not deviate from the utility model discloses a do all kinds of modification and change under the spirit.
Please refer to fig. 1 to 6. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Example one
As shown in fig. 1, the present embodiment provides an NB-IoT technology-based industrial mechanical security interface 1, where the NB-IoT technology-based industrial mechanical security interface 1 includes:
a mechanical security interface circuit 11, a first processor 12, a second processor 13, an NB-IoT wireless communication module 14, and a configuration interface circuit 15.
As shown in fig. 1, the mechanical safety interface circuit 11 is connected to the first processor 12 and the second processor 13 for inputting and outputting signals.
Specifically, the mechanical safety interface circuit 11 is used for connecting with a production device, and implementing signal input or output to the production device. In the present embodiment, the mechanical safety interface circuit 11 includes a signal input interface 111 and a signal output interface 112. Signal input interface 111 receives analog or digital production information and transmits extremely first treater 12 reaches second treater 13, production information includes but not limited to rotational speed, temperature, pressure and speed, and arbitrary industrial field's parameter information all is applicable to the utility model discloses, it is not repeated here to differ one. In this embodiment, the signal input interface 111 transmits signals to the first processor 12 and the second processor 13 through an ac input optical coupler. The signal output interface 112 obtains analog or digital control signals from the first processor and the second processor 13 and outputs the control signals, for example, the signal output interface 112 is connected to a relay, a solenoid valve or various switches to control the operation of the production equipment.
As shown in fig. 1, the first processor 12 and the second processor 13 exchange data through a Serial Peripheral Interface (SPI), and perform voting on input signals and operation results; the first processor 12 and the second processor 13 are both connected to the mechanical safety interface circuit 11, and process a signal input by the mechanical safety interface circuit 11 to obtain a field control signal, where the field control signal is output through the mechanical safety interface circuit 11; the first processor 12 is further connected to the NB-IoT wireless communication module 14, and controls the mechanical security interface circuit 11 to transmit signals with the NB-IoT wireless communication module 14.
Specifically, the first processor 12 and the second processor 13 are both connected to the signal input interface 111, and perform arithmetic processing on the signal input by the signal input interface 111; the first processor 12 and the second processor 13 exchange data with each other through the SPI, and perform voting on the received production information and operation result to obtain a field control signal, and the field control signal is output through the signal output interface 112 to control a control device (including but not limited to a relay, a solenoid valve, or various switches) of the production equipment.
As another implementation manner of the present invention, the NB-IoT technology-based industrial mechanical security interface 1 further includes a first digital switch circuit 17 and a second digital switch circuit 18. The first processor 12 and the second processor 13 are both connected to the signal input interface circuit 11, and acquire production information from the signal input interface 111, and perform operation processing on the received production information in different ways. The first processor 12 and the second processor 13 exchange data with each other through the SPI, and vote processing is performed on the received production information and operation result; the outputs of the first processor 12 and the second processor 13 are respectively connected to the input ends of the first digital switch circuit 17 and the second digital switch circuit 18, each processor respectively controls one digital switch circuit, and finally, two digital switches are connected in series to perform logic operation to obtain a final field control signal, and the final field control signal is transmitted to the signal output interface 112 to control the control device of the production equipment.
Specifically, the first processor 12 is further connected to the NB-IoT wireless communication module 14, and controls the NB-IoT wireless communication module 14 to remotely transmit the received production information through an instruction.
It should be noted that, mechanical safety interface circuit 11 is the interface circuit who has mechanical safety certification, the utility model discloses a mechanical safety interface circuit 11 can effectively carry out its safety function, makes equipment when certain dangerous incident takes place, can reach or maintain at safe state, has high reliability, high security and high EMC nature. In this embodiment, the first processor 121 and the second processor 122 are implemented by an MCU. In this embodiment, a 1oo2 security architecture is adopted, and the dual microprocessor channels effectively ensure the system security.
As an implementation manner of the present invention, the NB-IoT technology-based industrial mechanical security interface 1 further includes an indicator light, and the indicator light is connected to the first processor 12 and the second processor 13 and controlled by the first processor 12 and the second processor 13 to be turned on or off.
As shown in fig. 1, the NB-IoT wireless communication module 14 is configured to send production information to a remote monitoring interface.
In particular, NB-IoT is a cellular-based narrowband internet of things technology. The NB-IoT technology is built in the cellular network, the network does not need to be built again, and the NB-IoT technology can be directly deployed in the LTE network, so that the overall cost of ownership is reduced; the NB-IoT technology has long communication distance, only consumes the broadband of about 180KHz, reduces the power consumption and prolongs the endurance time of the equipment; the NB-IoT technology can support 10 ten thousand connections without mutual interference, and can simultaneously meet the communication requirements of a large number of devices. The NB-IoT wireless communication Module 14 implements communication based on a Universal Subscriber Identity Module (USIM).
As shown in fig. 1, the configuration interface circuit 15 is connected to the first processor 12, and the first processor 12 performs parameter configuration on the NB-IoT wireless communication module 14 based on the configuration information received from the configuration interface circuit 15.
Specifically, in the present embodiment, the configuration interface circuit 15 adopts a USB interface, and configuration information is input to the first processor 12 through the USB interface. The first processor 12 controls the NB-IoT wireless communication module 14 to perform wireless remote transmission based on the configuration information.
It should be noted that the configuration interface circuit 15 adopts an interface for arbitrary data transmission, and is not limited to this embodiment.
As an implementation of the present invention, the configuration interface circuit 15 further includes a power supply, and the power supply is the power supply of the first processor 12. Specifically, when the NB-IoT technology based industrial mechanical security interface 1 is not connected to a power supply, the power supply in the configuration interface circuit 15 supplies power to the first processor 12, and the NB-IoT technology based industrial mechanical security interface 1 can complete configuration without being electrically connected to a production device in a workshop, and can complete configuration online (for example, in an engineer's office), which is convenient and efficient.
As shown in fig. 1, the NB-IoT technology based industrial mechanical security interface 1 further includes a power module 16, and the power module 16 supplies power to the mechanical security interface circuit 11, the first processor 12, the second processor 13, and the NB-IoT wireless communication module 14.
Specifically, in this embodiment, the power module 16 is connected to a 24V industrial ac power source, and converts the 24V industrial ac power source into a dc power source required by the mechanical safety interface circuit 11, the first processor 12, the second processor 13, and the NB-IoT wireless communication module 14. The power module 16 includes a first power converter 161 and a second power converter 162. The first power converter 161 receives an ac power and converts the ac power into a first dc power. The second power converter 162 is connected to the first power converter 161 to convert the first dc power into a second dc power; wherein the voltage values of the AC power supply, the first DC power supply and the second DC power supply are sequentially reduced.
Example two
As shown in fig. 5, the conventional mechanical safety system 7 includes:
a mechanical safety module 5 and a production device 2.
As shown in fig. 5, the conventional mechanical safety module 5 obtains production information of the production equipment 2, processes the production information to obtain a field control signal, and the field control signal is used to control the production equipment 2 and protect safety of field personnel and equipment.
It should be noted that the conventional mechanical safety system 7 belongs to the conventional application, and has been used for 30-40 years. Under the background of industry 4.0, the demands of development of informatization, development of production process datamation, analysis of industrial big data and the like are met, and industrial remote monitoring is carried out. In order to further improve the production efficiency, the embodiment provides an industrial machinery safety system 6 based on NB-IoT technology, which adds a wireless communication function and the remote monitoring application compared to the conventional machinery safety system 7, and timely and efficiently protects the safety of field personnel and equipment.
Specifically, as shown in fig. 4, the NB-IoT technology-based industrial mechanical security system 6 includes:
industrial mechanical safety interface 1 based on NB-IoT technology, production equipment 2, base station 3 and remote monitoring 4.
As shown in fig. 4, the NB-IoT technology-based industrial mechanical security interface 1 transmits the production information of the production equipment 2 to the base station 3, and transmits the production information to the remote monitoring 4 through the base station 3; meanwhile, the industrial mechanical safety interface 1 based on the NB-IoT technology processes the production information to obtain a field control signal, and the field control signal is used for controlling the production equipment 2, ensuring the safety interlocking of the production equipment and protecting the safety of field personnel and equipment.
Specifically, the production device 2 may be any device that needs to be remotely monitored, and details thereof are not repeated herein.
As shown in fig. 4, the NB-IoT technology based industrial mechanical security interface 1 transmits signals for the production equipment 2.
Specifically, the internal structure and the operation principle of the NB-IoT technology-based industrial mechanical security interface 1 are as described in the first embodiment, and are not described in detail herein.
As shown in fig. 4, the base station 3 communicates with the NB-IoT wireless communication module 14 and the remote monitoring device 4 to transmit signals.
As shown in fig. 4, the remote monitoring 4 monitors the production equipment 2, performs data analysis based on the monitored information, and optimizes the production process.
As shown in fig. 6, when the NB-IoT technology based industrial mechanical security interface 1 adopts the structure of the first embodiment, the operation principle of the NB-IoT technology based industrial mechanical security system 6 is as follows:
as shown in fig. 6, the production information is transmitted to the first processor 12 through the signal input interface 111, and the first processor 12 controls the NB-IoT wireless communication module 14 to transmit the production information data to the interface of the remote monitor 4 through the NB-IoT base station 3 by sending an instruction after recognizing and acquiring and processing the signal. Meanwhile, the production information is also transmitted to the second processor 13 through the signal input interface 111, the first processor 12 and the second processor 13 exchange data through the SPI, vote is performed on the input information and the operation result, and a field control signal is output, and the output field control signal is transmitted to the signal output interface 112 and to the production equipment 2, so as to control the normal operation of the production equipment 2.
To sum up, the utility model provides an industrial machine safety interface and system based on NB-IoT technique, the interface includes: the system comprises a mechanical safety interface circuit, a first processor, a second processor, an NB-IoT wireless communication module and a configuration interface circuit; the mechanical safety interface circuit is connected with the first processor and the second processor and is used for inputting and outputting signals; the first processor is connected with the mechanical safety interface circuit and the NB-IoT wireless communication module and controls the mechanical safety interface circuit and the NB-IoT wireless communication module to transmit signals; the first processor and the second processor are both connected to the mechanical safety interface circuit, and meanwhile, voting processing is carried out on signals input by the mechanical safety interface circuit to obtain field control signals, and the field control signals are output through the mechanical safety interface circuit; the NB-IoT wireless communication module is used for sending production information to a remote monitoring interface; the configuration interface circuit is connected with the first processor, and the first processor performs parameter configuration on the NB-IoT wireless communication module based on the configuration information received from the configuration interface circuit. The system comprises: the production equipment comprises the industrial mechanical safety interface based on the NB-IoT technology; the production equipment is connected with the industrial mechanical safety interface based on the NB-IoT technology and transmits signals based on the industrial mechanical safety interface based on the NB-IoT technology. The utility model discloses an industry mechanical security interface and system based on NB-IoT technique realizes the long-range receiving and dispatching data of control NB-IoT module line through the programming to first treater to through first treater, the second treater reaches the purpose of industry on-the-spot monitoring and control to mechanical security interface circuit input and output's signal. The industrial mechanical safety interface and system based on NB-IoT technology of the utility model can realize the monitoring and control of industrial field data through the mechanical safety interface circuit; the first processor controls the NB-IoT module to transmit information to the remote monitoring interface, so that low-power-consumption, safe and reliable wireless transmission of data and remote monitoring and protection of field personnel and equipment can be realized on the premise of mechanical safety. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (11)
1. An NB-IoT technology based industrial mechanical security interface, the NB-IoT technology based industrial mechanical security interface comprising at least:
the system comprises a mechanical safety interface circuit, a first processor, a second processor, an NB-IoT wireless communication module and a configuration interface circuit;
the mechanical safety interface circuit is connected with the first processor and the second processor and is used for inputting and outputting signals;
the first processor and the second processor exchange data through a serial peripheral interface, and vote processing is carried out on input signals and operation results; the first processor and the second processor are both connected with the mechanical safety interface circuit, and are used for processing signals input by the mechanical safety interface circuit to obtain field control signals, and the field control signals are output through the mechanical safety interface circuit;
the first processor is also connected with the NB-IoT wireless communication module and controls the mechanical safety interface circuit to transmit signals with the NB-IoT wireless communication module;
the NB-IoT wireless communication module is used for sending production information to a remote monitoring interface;
the configuration interface circuit is connected with the first processor, and the first processor performs parameter configuration on the NB-IoT wireless communication module based on the configuration information received from the configuration interface circuit.
2. The NB-IoT technology-based industrial mechanical security interface of claim 1, wherein: the mechanical safety interface circuit comprises a signal input interface and a signal output interface; the signal input interface receives production information and transmits the production information to the first processor and the second processor; the signal output interface acquires and outputs control signals from the first processor and the second processor.
3. The NB-IoT technology-based industrial mechanical security interface of claim 2, wherein: the production information comprises any one or more of the combination of rotating speed, temperature, pressure and speed.
4. The NB-IoT technology-based industrial mechanical security interface of claim 1, wherein: the NB-IoT technology-based industrial mechanical security interface further comprises a first digital switching circuit and a second digital switching circuit;
the first processor and the second processor are respectively connected to the input ends of the first digital switch circuit and the second digital switch circuit, and the output ends of the first digital switch circuit and the second digital switch circuit are connected with the mechanical safety interface circuit.
5. The NB-IoT technology-based industrial mechanical security interface of claim 1, wherein: the industrial mechanical safety interface based on the NB-IoT technology further comprises a power supply module, and the power supply module supplies power to the mechanical safety interface circuit, the first processor, the second processor and the NB-IoT wireless communication module.
6. The NB-IoT technology-based industrial mechanical security interface of claim 5, wherein: the power supply module comprises a first power supply converter and a second power supply converter, wherein the first power supply converter receives an alternating current power supply and converts the alternating current power supply into a first direct current power supply; the second power converter is connected with the first power converter and converts the first direct-current power supply into a second direct-current power supply; wherein the voltage values of the AC power supply, the first DC power supply and the second DC power supply are sequentially reduced.
7. The NB-IoT technology-based industrial mechanical security interface of claim 6, wherein: the first power converter comprises an AC-DC converting circuit and a DC voltage reducing circuit.
8. The NB-IoT technology-based industrial mechanical security interface of claim 6, wherein: the second power converter comprises a low dropout linear voltage regulator circuit.
9. The NB-IoT technology-based industrial mechanical security interface of claim 1, wherein: the configuration interface circuit includes a USB interface.
10. The NB-IoT technology based industrial mechanical security interface as claimed in claim 1 or 9, wherein: the configuration interface circuit further includes a power supply that supplies power to the first processor.
11. An NB-IoT technology based industrial mechanical safety system, the NB-IoT technology based industrial mechanical safety system comprising at least:
production equipment, industrial mechanical safety interface based on NB-IoT technology according to any one of claims 1-10, base station and remote monitoring;
the production equipment is connected with the industrial mechanical safety interface based on NB-IoT technology;
the industrial mechanical safety interface based on the NB-IoT technology transmits the production information of the production equipment to the base station, and transmits the production information to a remote monitoring interface through the base station; meanwhile, processing the production information to obtain a field control signal, wherein the field control signal is used for controlling the production equipment;
the base station communicates with the NB-IoT technology-based industrial mechanical security interface and the remote monitoring;
and the production equipment is monitored by remote monitoring, data analysis is carried out based on the monitored information, and the production flow is optimized.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113064385A (en) * | 2019-12-31 | 2021-07-02 | 上海辰竹仪表有限公司 | Industrial mechanical safety interface and system based on NB-IoT technology |
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| CN113064385A (en) * | 2019-12-31 | 2021-07-02 | 上海辰竹仪表有限公司 | Industrial mechanical safety interface and system based on NB-IoT technology |
| CN113064385B (en) * | 2019-12-31 | 2024-05-28 | 上海辰竹仪表有限公司 | Industrial mechanical security interface and system based on NB-IoT technology |
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