CN113433851A - Modular serial port type signal acquisition and processing device - Google Patents
Modular serial port type signal acquisition and processing device Download PDFInfo
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- CN113433851A CN113433851A CN202110643273.8A CN202110643273A CN113433851A CN 113433851 A CN113433851 A CN 113433851A CN 202110643273 A CN202110643273 A CN 202110643273A CN 113433851 A CN113433851 A CN 113433851A
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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
- G05B19/0425—Safety, monitoring
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Abstract
The invention discloses a modular serial port type signal acquisition and processing device, which belongs to the technical field of equipment monitoring device design and comprises the following components: the daughter board module is a CPU operation board and provides a hardware environment for operating an operating system and each application software; the motherboard module is a serial port module, acquires equipment information through a serial port communication protocol, transmits the equipment information to the daughter board module for processing, realizes hot plug and power-on protection functions through power management design, and realizes isolated power supply through an isolated power supply; the daughter board module and the motherboard module are in a protective design through the shell, so that the overall protective level reaches the level of IP 67. The invention realizes the overall planning and integrated optimization of the field equipment, adopts the design of the inorganic box, has small volume and flexible installation, and realizes the distributed acquisition and centralized monitoring of the industrial field equipment.
Description
Technical Field
The invention belongs to the technical field of equipment monitoring device design, and particularly relates to a modular serial port type signal acquisition and processing device which is used for acquiring and processing the running state and fault alarm signals of industrial field equipment in a severe working environment.
Background
If the upper computer is compared with the brain of the industrial monitoring system, the signal acquisition and processing equipment is just like a neural network of the industrial monitoring system, and the brain controls the field execution mechanism through the neural network to acquire sensor data. The 'neural network' reflects the level of industrial automation and informatization. With the development of monitoring technology, information collecting and processing devices have been developed into many kinds, such as: a monitoring box, a signal transfer box and the like.
In the prior art, various field devices are respectively developed, modules are independently configured, different technical systems coexist, the complexity of an acquisition and control system is increased, the redundant configuration and the function overlapping of similar devices are caused, a large amount of overall resources are occupied, and the maintenance and management are difficult, so that the system and the overall system are difficult to carry out overall planning, system sharing and integrated optimization on all the devices on the field. And the traditional signal acquisition and processing equipment chassis such as a monitoring box, a signal transfer box and the like has large volume and inflexible installation, and is not beneficial to installation and arrangement. Along with the development of industry, the system scale is continuously increased, and in comparison, a signal acquisition and processing device which is modularized, distributed, high in expandability and flexible in installation is further needed.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a modular serial port type signal acquisition and processing device, which realizes overall planning and integrated optimization of field equipment, adopts an inorganic box design, has small volume and flexible installation, and realizes distributed acquisition and centralized monitoring of industrial field equipment.
In order to achieve the above object, the present invention provides a modular serial port type signal acquisition and processing apparatus, including: the system comprises a daughter board module, a motherboard module and a shell for mounting the daughter board module and the motherboard module, wherein the daughter board module is a CPU operation board and provides a hardware environment for operating an operating system and each application software; the motherboard module is a serial port module, acquires equipment information through a serial port communication protocol, transmits the equipment information to the daughter board module for processing, realizes hot plug and power-on protection functions through power management design, and realizes isolated power supply through an isolated power supply; the daughter board module and the motherboard module are in a protective design through the shell, so that the overall protective level reaches the level of IP 67.
In some optional embodiments, the daughter board module comprises: the hardware environment is provided for operating an operating system and each application software, wherein the auxiliary circuit, the memory RAM, the FLASH FLASH and the Ethernet module are all connected with the CPU module, and the device information processed by the CPU module is sent to upper-layer equipment by the first Ethernet module.
In some optional embodiments, the motherboard module provides a plurality of RS485 communication interfaces, each RS485 communication interface adopts an isolation driving mode, and each RS485 communication interface is an independent interface, so that data can be received and transmitted simultaneously.
In some optional embodiments, the motherboard module comprises: the second Ethernet module, a JTAG interface, a CAN interface, an RS485 interface, a power management module, a digital quantity isolation input module, an LED indicator light and a connecting plug-in, and external physical connection is provided through the JTAG interface, the CAN interface and the RS485 interface; connecting the CPU module through the connecting plug-in; the power management module realizes isolated power supply through the digital quantity isolation input module, and sends acquired equipment information to the CPU module through the second Ethernet module.
In some optional embodiments, the casing is an aluminum alloy structure, each joint surface is provided with a watertight sealing strip, each connector mounting position is provided with a conductive sealing gasket, and a waterproof, dustproof and electromagnetic wave radiation resistant protective design is realized, so that the overall protective level reaches the level of IP 67.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
the invention mainly realizes signal acquisition and processing and protocol adaptation of industrial field equipment and realizes the information interaction function with an upper computer. The device is good in modularization and strong in independence, is arranged in the distributed acquisition box, provides installation, power supply and communication interfaces for the distributed acquisition box, can be integrally installed with other types of modules according to actual needs, is plug and play, can conveniently solve the problem that signal sources required to be processed by equipment are increased inconveniently due to limited inherent interfaces, and has good expandability; the hot plug and power-on protection functions are realized through the power management design, and isolated power supply is realized through the isolated power supply, so that the anti-interference performance is good; the casing is the aluminum alloy structure, and every composition surface all has the watertight sealing strip, and each connector mounted position has the electrically conductive sealed pad, realizes waterproof, dustproof and anti electromagnetic wave radiation's protective design for whole protective level reaches IP 67's level, and small, the installation is nimble, can be applied to adverse circumstances such as various spaces are little, the vibration is big, salt fog height.
Drawings
Fig. 1 is a flow chart of a principle of collecting and outputting an RS485 signal of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a daughter board of a modular serial port signal processing and acquisition device according to an embodiment of the present invention;
fig. 3 is a schematic structural block diagram of a serial port module according to an embodiment of the present invention;
fig. 4 is an assembly view of a modular serial port signal acquisition and processing device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the present examples, "first", "second", etc. are used for distinguishing different objects, and are not used for describing a specific order or sequence.
The invention aims to provide a modularized serial port type signal acquisition and processing device which can be applied to centralized monitoring and alarming of ship auxiliary system equipment. The modular serial port type signal acquisition and processing device is connected with field equipment of a serial port communication interface, acquires information such as running state, parameters, fault alarm and the like of the equipment through a serial port communication protocol, converts the information into Ethernet communication data and transmits the Ethernet communication data to upper-layer equipment. And digital communication connection between the upper computer and the field equipment is realized.
The invention provides a modularized serial port type signal acquisition and processing device which mainly has the following technical characteristics: a) the protective design of water resistance, dust resistance and electromagnetic wave radiation resistance; b) modular and compact structure design; c) hot plug and self-diagnosis technology is supported; d) an isolated power supply technique.
As shown in fig. 1, which is a flow chart of an RS485 signal acquisition and output principle of a device according to an embodiment of the present invention, a modular serial port type signal acquisition and processing apparatus is installed in a distributed acquisition box of a superior system device, a power interface is DC24V, and a communication interface is an ethernet. The external signal interface of this device is 4 ways RS485 interfaces.
The invention provides a modular serial port type signal acquisition and processing device, which comprises: the system comprises a daughter board module and a motherboard module, wherein the daughter board module is a CPU operation board and provides a hardware environment for operating an operating system and each application software; the motherboard module is a serial port module, acquires equipment information such as running states, parameters and fault alarms of equipment through a serial port communication protocol, transmits the equipment information to the daughter board module for processing, realizes hot plug and power-on protection functions through power management design, realizes isolated power supply through an isolated power supply, has good anti-interference performance, and protects the safety of a system; the casing is the aluminum alloy structure, and all there is the watertight sealing strip at apron and every composition surface such as support, status indicator lamp, inserts to have electrically conductive sealed pad with base mounted position department by plane, realizes that the device is whole waterproof, dustproof and anti-electromagnetic wave radiation for whole protective properties level reaches IP 67's level, and the whole spraying three proofings lacquer of inside pcb board protects. The device is installed in the distributed acquisition box, the distributed acquisition box provides installation, power supply and communication interfaces, and the device is plug-and-play and has better expandability.
Fig. 2 is a schematic diagram of a daughter board of a modular serial port type signal acquisition and processing apparatus according to an embodiment of the present invention, where the daughter board module includes: the CPU module, the auxiliary circuit, the memory RAM, the FLASH FLASH and the first Ethernet module provide a hardware environment for operating the operating system and each application software, wherein the auxiliary circuit, the memory RAM, the FLASH FLASH and the Ethernet module are all connected with the CPU module, and the equipment information processed by the CPU module is sent to upper equipment through the first Ethernet module.
As shown in fig. 3, which is a schematic structure diagram of a serial port module according to an embodiment of the present invention, a motherboard module provides a plurality of RS485 communication interfaces, which are divided into corresponding outlets, each RS485 communication interface adopts an isolation driving manner, so as to protect the safety of circuits such as an internal controller, and each RS485 communication interface is an independent interface, so as to achieve simultaneous data transmission and reception.
Wherein, the motherboard module includes: the second Ethernet module, the JTAG interface, the CAN interface, the RS485 interface, the power management module, the digital quantity isolation input module, the LED indicator lamp and the connecting plug-in are in external physical connection through the JTAG interface, the CAN interface and the RS485 interface; connecting the CPU module through a connecting plug-in; the power management module realizes isolated power supply through the digital quantity isolation input module and sends the acquired equipment information to the CPU module through the second Ethernet module.
The shell is of an aluminum alloy structure, watertight sealing strips are arranged on joint surfaces of all the parts, and the installation positions of all the connectors are provided with the conductive sealing gaskets, so that the sealing design of water resistance, dust resistance and electromagnetic wave radiation resistance is realized, the integral protection level reaches the level of IP67, and all the inner pcb plates are sprayed with three-proofing paint for protection.
Fig. 4 is an assembly view of a modular serial port type signal acquisition and processing apparatus according to an embodiment of the present invention, and table 1 below shows names of components.
TABLE 1
The modular serial port type signal acquisition and processing device provided by the invention is arranged in a distributed acquisition box, is connected with field equipment by adopting a hard wire or a serial port, acquires the running state and fault alarm information of the equipment, and sends the running state and the fault alarm information to an upper computer for centralized processing and display through an Ethernet interface of the distributed acquisition box after data processing, thereby realizing the integrated optimization of a monitoring system. In addition, the invention also has the advantages that the overall protective level reaches the level of IP67 through the waterproof, dustproof and electromagnetic wave radiation resistant sealing design, the protection of an external case is not needed, and the protection requirements of corrosion resistance, leakage resistance, shock resistance and the like can be realized. The generation of hierarchical, distributed and modular monitoring devices can be realized.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A modular serial port type signal acquisition and processing device, comprising: the system comprises a daughter board module, a motherboard module and a shell for mounting the daughter board module and the motherboard module, wherein the daughter board module is a CPU operation board and provides a hardware environment for operating an operating system and each application software; the motherboard module is a serial port module, acquires equipment information through a serial port communication protocol, transmits the equipment information to the daughter board module for processing, realizes hot plug and power-on protection functions through power management design, and realizes isolated power supply through an isolated power supply; the daughter board module and the motherboard module are in a protective design through the shell, so that the overall protective level reaches the level of IP 67.
2. The assembly of claim 1, wherein the daughter board module comprises: the hardware environment is provided for operating an operating system and each application software, wherein the auxiliary circuit, the memory RAM, the FLASH FLASH and the Ethernet module are all connected with the CPU module, and the device information processed by the CPU module is sent to upper-layer equipment by the first Ethernet module.
3. The device of claim 2, wherein the motherboard module provides a plurality of RS485 communication interfaces, each RS485 communication interface adopts an isolation driving manner, and each RS485 communication interface is an independent interface, so as to realize simultaneous data transmission and reception.
4. The apparatus of claim 3, wherein the motherboard module comprises: the second Ethernet module, a JTAG interface, a CAN interface, an RS485 interface, a power management module, a digital quantity isolation input module, an LED indicator light and a connecting plug-in, and external physical connection is provided through the JTAG interface, the CAN interface and the RS485 interface; connecting the CPU module through the connecting plug-in; the power management module realizes isolated power supply through the digital quantity isolation input module, and sends acquired equipment information to the CPU module through the second Ethernet module.
5. The device of claim 4, wherein the housing is an aluminum alloy structure, each joint surface is provided with a watertight sealing strip, each connector mounting position is provided with a conductive sealing gasket, and a waterproof, dustproof and electromagnetic wave radiation-proof protective design is realized, so that the overall protective level reaches the level of IP 67.
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| CN202110643273.8A CN113433851A (en) | 2021-06-09 | 2021-06-09 | Modular serial port type signal acquisition and processing device |
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| CN202110643273.8A CN113433851A (en) | 2021-06-09 | 2021-06-09 | Modular serial port type signal acquisition and processing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262486A (en) * | 2008-04-18 | 2008-09-10 | 清华大学 | Modbus bus analysis system based on built-in platform |
| CN103034229A (en) * | 2012-11-26 | 2013-04-10 | 中国商用飞机有限责任公司 | Integrated type testing device for flying control |
| CN203181228U (en) * | 2013-04-12 | 2013-09-04 | 苏州博联科技有限公司 | Low power consumption nodes for wireless sensor network |
| CN205193795U (en) * | 2015-12-10 | 2016-04-27 | 西安飞铭电子科技有限公司 | Multi -functional interface system of extensible |
| CN207732515U (en) * | 2018-02-02 | 2018-08-14 | 浙江华云信息科技有限公司 | A kind of Intelligent platform zone distribution transformer terminals |
| CN208400126U (en) * | 2018-04-28 | 2019-01-18 | 中山市天启智能科技有限公司 | Multifunctional integrated mainboard |
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- 2021-06-09 CN CN202110643273.8A patent/CN113433851A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262486A (en) * | 2008-04-18 | 2008-09-10 | 清华大学 | Modbus bus analysis system based on built-in platform |
| CN103034229A (en) * | 2012-11-26 | 2013-04-10 | 中国商用飞机有限责任公司 | Integrated type testing device for flying control |
| CN203181228U (en) * | 2013-04-12 | 2013-09-04 | 苏州博联科技有限公司 | Low power consumption nodes for wireless sensor network |
| CN205193795U (en) * | 2015-12-10 | 2016-04-27 | 西安飞铭电子科技有限公司 | Multi -functional interface system of extensible |
| CN207732515U (en) * | 2018-02-02 | 2018-08-14 | 浙江华云信息科技有限公司 | A kind of Intelligent platform zone distribution transformer terminals |
| CN208400126U (en) * | 2018-04-28 | 2019-01-18 | 中山市天启智能科技有限公司 | Multifunctional integrated mainboard |
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