CN106371344A - Data acquisition device - Google Patents
Data acquisition device Download PDFInfo
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- CN106371344A CN106371344A CN201611035529.2A CN201611035529A CN106371344A CN 106371344 A CN106371344 A CN 106371344A CN 201611035529 A CN201611035529 A CN 201611035529A CN 106371344 A CN106371344 A CN 106371344A
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- module
- data acquisition
- control module
- equipment
- ethernet interface
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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
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The invention provides a data acquisition device comprising a control module, and an Ethernet interface module and a power module which are connected with the control module. The power module is further connected with the Ethernet interface module. The Ethernet interface module is connected with a target PLC system and a remote monitoring center. The control module is configured with data acquisition modes corresponding to a variety of PLC systems, for users to choose from. Before data of the target PLC system is acquired, selection is performed on the multiple data acquisition modes configured by the control module, the data acquisition mode corresponding to the target PLC system is selected, and connection with the target PLC system and the remote monitoring center is realized through the Ethernet interface module. The data acquisition device provided by the invention can be used to acquire the data of different types of PLC systems, and is of high universality. Furthermore, the maintenance complexity of the data acquisition device is reduced, and production preparation by data acquisition device manufactures is facilitated.
Description
Technical field
A kind of the present invention relates to fault diagnosis and remote maintenance technical field, more particularly, it relates to data acquisition equipment.
Background technology
With the continuous progress of China's science and technology, industrial equipment is towards maximization, efficient, automatization and intellectuality side
Face is developed；Lead to the correlation degree more and more higher between the complexity of equipment, each several part, when positioning investigation is safeguarded after breaking down
Between long, high cost.Equipment fault diagnosis and remote maintenance technology are for solving industrial equipment catastrophic discontinuityfailure rate height, maintenance cost
The problems such as high, maintenance cycle is long and a kind of technology of rising.Equipment fault diagnosis and remote maintenance technology can be with real-time monitoring works
The operation conditions of industry equipment, timely fault location, parse failure cause, improve maintenance efficiency.
Data acquisition equipment is the first step realizing fault diagnosis and remote maintenance technology, realizes the crucial portion of industrial equipment
The collection storage of part real-time running data and telecommunication.Large industry equipment is nearly all using based on industrial network at present
Plc (programmable logic controller, programmable logic controller (PLC)) system is implemented to control and is communicated, therefore several
Need to realize communicating with plc according to collecting device.But, because plc is derived from different manufacturers, the communication protocol of different manufacturers is not
With, and each data acquisition equipment existing is only capable of being communicated with a kind of plc system of communication protocol, therefore, in large-scale work
Industry controls scene in addition it is also necessary to safeguard polytype data acquisition equipment, and maintenance process is complicated and relatively costly, and, in work
Cheng Qian's phase is designed needs combing to go out various data acquisition equipments are respectively necessary for how many, and data acquisition equipment manufacturer needs to produce multiple
It is also very inconvenient that data acquisition equipment, therefore production are got the raw materials ready.
Content of the invention
In view of this, the present invention proposes a kind of data acquisition equipment, is intended to the complexity realizing reducing fault diagnosis and safeguarding,
And be easy to produce the purpose got the raw materials ready.
To achieve these goals it is proposed that scheme as follows:
A kind of data acquisition equipment is it is characterised in that include: control module and being connected with described control module respectively
Ethernet interface module and power module, described power module is also connected with described ethernet interface module, wherein,
Described ethernet interface module is used for linking objective plc system and remote monitoring center；
Described control module is configured with the corresponding data acquisition scheme of multiple plc systems and is selected for user.
Preferably, described equipment also includes: the memory module being connected with described control module and described power module respectively,
Described memory module is locally stored for carrying out the data collecting.
Preferably, described memory module includes: sata interface and solid state hard disc, and described control module is connect by described sata
Mouth connects described solid state hard disc, and described power module is connected with described sata interface.
Preferably, described equipment also includes: sound and light alarm module, and described sound and light alarm module connects described control mould respectively
Block and described power module.
Preferably, described sound and light alarm module includes: power supply indicator, network state display lamp, hard disk state indicator lamp,
System state indicator and passive buzzer.
Preferably, described equipment also includes: the internal memory card module being connected with described control module and power module respectively, institute
State internal memory card module to be used for sd card or tf card are installed.
Preferably, described equipment also includes: the debugging serial ports being connected with described control module.
Preferably, described control module includes: controller and the emmc module being connected with described controller respectively, interior
Storing module, crystal oscillating circuit, reset circuit and network driver block.
Preferably, the Ethernet interface that described ethernet interface module includes is: 10p10c horizontal rj45 gigabit Ethernet
Interface.
Preferably, the shell of described data acquisition equipment is provided with guide rail buckle, for described data acquisition equipment is solid
It is scheduled on guide rail.
Compared with prior art, technical scheme has the advantage that
Technique scheme provide a kind of data acquisition equipment, comprising: control module and respectively with described control mould
Block connect with ethernet interface module and power module, described power module is also connected with described ethernet interface module, its
In, described ethernet interface module is used for linking objective plc system and remote monitoring center；Described control module is configured with multiple
The corresponding data acquisition scheme of plc system is selected for user.Before data acquisition is carried out to target plc system, right
The corresponding data acquisition scheme of multiple plc systems of control module configuration is selected, the corresponding data of selected target plc system
Drainage pattern, and the company with target plc system and remote monitoring center is realized by the stronger ethernet interface module of versatility
Connect.Therefore, the data acquisition equipment that the present invention provides can achieve the data acquisition session to variety classes plc system, improves
The versatility of data acquisition equipment.And then reduce the complexity that data acquisition equipment is safeguarded, and facilitate data acquisition equipment
The production of manufacturer is got the raw materials ready.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of data acquisition equipment provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another kind data acquisition equipment provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of the control module of data acquisition equipment provided in an embodiment of the present invention；
Fig. 4 is the physical circuit figure of 10p10c provided in an embodiment of the present invention horizontal rj45 gigabit ethernet interface；
Fig. 5 is a part of physical circuit figure of power module provided in an embodiment of the present invention；
Fig. 6 is another part physical circuit figure of power module provided in an embodiment of the present invention；
Fig. 7 is the physical circuit figure of electricity sata interface provided in an embodiment of the present invention；
Fig. 8 is the physical circuit figure of electricity sound and light alarm module provided in an embodiment of the present invention；
Fig. 9 is the physical circuit figure of sd card interface provided in an embodiment of the present invention；
Figure 10 is the scheme of installation of data acquisition equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The present embodiment provides a kind of data acquisition equipment, and shown in Figure 1, this equipment includes control module 1, and respectively
The ethernet interface module 2 being connected with described control module and power module 3.Described power module 3 is also connect with described Ethernet
Mouth module 2 connects, wherein,
Described ethernet interface module 2 is used for connecting plc system and remote monitoring center；Ethernet interface module 2 is permissible
Two Ethernet interfaces can also be included including an Ethernet interface, connect when ethernet interface module 2 includes an Ethernet
During mouth, need first to be connected Ethernet interface with switch, reconnect target plc system and remote monitoring center.Work as Ethernet
When interface module 2 includes two Ethernet interfaces, one of Ethernet interface linking objective plc system, another Ethernet connects
Mouth connects remote monitoring center.
Described control module is configured with the corresponding data acquisition scheme of multiple plc systems and is selected for user.Right
Before target plc system carries out data acquisition, the corresponding data acquisition scheme of multiple plc systems of control module configuration is carried out
Select, the corresponding data acquisition scheme of selected target plc system, utilize Ethernet application agreement corresponding with target plc system,
Communicated with target plc system, i.e. transmitting control commands and acquisition data message, and the information obtaining is passed through tcp
(transmission control protocol, transmission control protocol) or udp (user datagram protocol, user
Datagram protocol) agreement sends to remote monitoring center.
The corresponding data of multiple plc systems before data acquisition is carried out to target plc system, to control module configuration
Drainage pattern is selected, the corresponding data acquisition scheme of selected target plc system, and is connect by the stronger Ethernet of versatility
Mouth module realizes the connection with target plc system and remote monitoring center.Therefore, the data acquisition equipment that the present invention provides can be real
The now data acquisition session to variety classes plc system, improves the versatility of data acquisition equipment.And then reduction data acquisition
The complexity of plant maintenance, and facilitate the production of data acquisition equipment manufacturer and get the raw materials ready.
The present embodiment provides a kind of another data acquisition equipment, and referring to shown in Fig. 2 and Fig. 3, this equipment includes: control module 1,
And respectively be connected with described control module ethernet interface module 2, power module 3, memory module 4, sound and light alarm module
5th, internal memory card module 6, debugging serial ports 7.Wherein,
Control module 1 includes: controller 11 and the emmc module 12 being connected with described controller 11 respectively, internal memory mould
Block 13, crystal oscillating circuit 14, reset circuit 15 and network driver block 16.Specific control 11 adopts Freescale i.mx6q
Controller, crystal oscillating circuit 14 provides clock signal for controller 11, and reset circuit 15 makes the program counter of controller 11 reset.
Network driver block 16 adopts technical grade network card chip ar8035.
Ethernet interface adopts 10p10c horizontal rj45 gigabit ethernet interface.Fig. 4 shows the horizontal rj45 of 10p10c thousand
The circuit diagram of mbit ethernet interface, this interface internal integrated network transformator, and carry network display lamp.Trxn3 in Fig. 5
5th, 5trxp3, trxn2 5,5trxp2, trxn1 5,5trxp1, trxn0 5,5trxp0, led_act 5 and led_1000 5,
It is connected with the controller 11 of control module 1.Vdd 3v3 is connected with the vdd 3v3 of power module.This interface network wave filter is electric
Performance meets the standard of " ieee802.3 and ieee802.3ab ", and outward appearance and mechanical performance meet " fcc " apparent size, machinery system
Make industrial standard, environmental requirement meets " rohs " standard.In addition, can go here and there between data acquisition equipment and remote monitoring center
Connection 3g/4g router, by 3g/4g router high-quality realize between data acquisition equipment and remote monitoring center logical
Letter.
Power module 3 and control module 1, ethernet interface module 2, memory module 4, sound and light alarm module 5 and RAM (random access memory) card
Module 6 connects.Specifically, power module 3 adopts mp1584 chip, achievable 5v and 3.3v voltage output, and provides 2a electric current
Output.Fig. 5 is the Part I circuit diagram of power module, provides 5v voltage and 2a electric current；Fig. 6 is the Part II of power module
Circuit diagram, provides 3.3v voltage and 2a electric current.
Memory module 4 is locally stored for carrying out the data collecting, it is to avoid number when communicating with remote data center
According to loss.Memory module 4 includes sata interface and solid state hard disc, and control module connects solid state hard disc, sata by sata interface
Interface is connected with power module 4.Fig. 7 is the circuit diagram of sata interface, wherein 6sata_rx_p, 6sata_rx_n, 6sata_tx_
N and 6sata_tx_p is connected with the controller 11 of control module 1, and sata 5v is connected with the vdd 5v of power module.Sata is
Serial ata is the abbreviation of serial ata, can carry out the transmission of a large amount of data storages, and sata bus uses embedded clock letter
Number, possess higher error correcting capability, in transmission, data can be checked, greatly enhance data transfer
Reliability.Sata interface is used for connecting solid state hard disc it is preferred that solid state hard disc adopts technical grade solid state hard disc, and data wire has four
Root, is powered using 5v/1a power supply.The operating temperature of technical grade solid state hard disc is suitable for -20 DEG C～75 DEG C, humidity 5～95%, can
Opposing 2000g impact and 20g (40-2000hz) vibrations, and have high speed (read 68mb/s and write 50mb/s).Using industry
Level solid state hard disc, has good industrial protection grade, supports largest extension 1t data volume, realizes depositing for a long time of device data
Storage.
Sound and light alarm module 5 includes display lamp part and buzzer part.Display lamp part includes power supply indicator, system
Status indicator lamp and hard disk state indicator lamp；Buzzer part is powered passive buzzer using 5v.Wherein, power supply indicator is used for
Indicate the state of power module 3, system state indicator is used for indicating the state of control module 1, hard disk state indicator lamp is used for
Indicate the state of the solid state hard disc of memory module 4.And, at least one component failure, entered by passive buzzer
Row is reported to the police, realize equipment fault and alarm.Fig. 8 is the circuit diagram of sound and light alarm module, gpio3_21 (eim_d21) 7,
7gpio3_22 (eim_d22), gpio3_23 (eim_d23) 7, pwm1 (sd1_data3) 7 are connected with the controller 11 of control module 1
Connect, vdd 5v is connected with the vdd 5v of power module.
Internal memory card module 6 is used for installing sd card or tf card, and sd card is the english abbreviation of secure digital card, that is,
Safe digital card.Tf card is t-flash card, is micro sd card again, i.e. miniature sd card.Fig. 8 illustrates a kind of sd card interface electricity
Lu Tu, wherein, 6sd2_data1, sd2_data0 6,6sd2_clk, 6sd2_cmd, sd2_data3 6,6sd2_data2,
Sd2_cd (gpio_4) 6, sd2_wp (gpio_2) 6 are connected with the controller 11 of control module 1, wherein vdd 3v3 and power supply mould
The vdd 3v3 of block connects.This sd card interface supports standard sdhc type sd card, and maximum capacity supports 32gb, using 3.3v supplier of electricity
Formula, is communicated with control module 1 by sd bus mode.Internal memory card module 7 adopts full copper eject sd draw-in groove.
Specific debugging serial ports 8 is ttl serial ports, and debugging serial ports 8 is connected with control module 1, so that developer's debugging makes
With.
Fig. 9 shows the scheme of installation of data acquisition equipment, arranges buckle 10 on the shell 9 of data acquisition equipment,
Fixing meanss are to be fixed on standard din35 guide rail 11 using buckle 10.It is fixed using standard din35 guide rail buckle 10,
Easily data acquisition equipment can be arranged in various electric control cabinets.Data acquisition equipment installation steps may include that head
First din35 guide rail 11 will be sticked into along 12 on draw-in groove；Secondly buckle 10 is upwardly into fixation.
Herein, term " inclusion ", "comprising" or its any other variant are intended to comprising of nonexcludability, from
And make a series of equipment including key elements not only include those key elements, but also include other key elements being not expressly set out,
Or also include the key element intrinsic for this equipment.In the absence of more restrictions, " include one by sentence
Individual ... " it is not excluded that also there is other identical element in the equipment including described key element in the key element that limits.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to invention the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this
Bright.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty
Consistent scope the widest.
Claims (10)
1. a kind of data acquisition equipment is it is characterised in that include: control module and be connected with described control module respectively
Ethernet interface module and power module, described power module is also connected with described ethernet interface module, wherein,
Described ethernet interface module is used for linking objective plc system and remote monitoring center；
Described control module is configured with the corresponding data acquisition scheme of multiple plc systems and is selected for user.
2. equipment according to claim 1 is it is characterised in that described equipment also includes: respectively with described control module and
The memory module that described power module connects, described memory module is locally stored for carrying out the data collecting.
3. equipment according to claim 2 is it is characterised in that described memory module includes: sata interface and solid state hard disc,
Described control module is passed through described sata interface and is connected described solid state hard disc, and described power module is connected with described sata interface.
4. the equipment according to claims 1 to 3 any one is it is characterised in that described equipment also includes: sound and light alarm mould
Block, described sound and light alarm module connects described control module and described power module respectively.
5. equipment according to claim 4 is it is characterised in that described sound and light alarm module includes: power supply indicator, hard disk
Status indicator lamp, system state indicator and passive buzzer.
6. equipment according to claim 1 is it is characterised in that described equipment also includes: respectively with described control module and
The internal memory card module that described power module connects, described internal memory card module is used for installing sd card or tf card.
7. equipment according to claim 1 is it is characterised in that described equipment also includes: is connected with described control module
Debugging serial ports.
8. equipment according to claim 1 is it is characterised in that described control module includes: controller and respectively with institute
State emmc module, memory modules, crystal oscillating circuit, reset circuit and the network driver block of controller connection.
9. equipment according to claim 1 is it is characterised in that the Ethernet interface that includes of described ethernet interface module
For: 10p10c horizontal rj45 gigabit ethernet interface.
10. equipment according to claim 1 is it is characterised in that the shell of described data acquisition equipment is provided with guide rail card
Button, for being fixed on guide rail by described data acquisition equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035529.2A CN106371344A (en) | 2016-11-18 | 2016-11-18 | Data acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035529.2A CN106371344A (en) | 2016-11-18 | 2016-11-18 | Data acquisition device |
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| CN106371344A true CN106371344A (en) | 2017-02-01 |
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| CN201611035529.2A Pending CN106371344A (en) | 2016-11-18 | 2016-11-18 | Data acquisition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505911A (en) * | 2017-10-23 | 2017-12-22 | 盐城工学院 | Data collecting system and power equipment monitoring system |
| CN112270147A (en) * | 2020-10-29 | 2021-01-26 | 国核自仪系统工程有限公司 | Board card and control method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060129347A1 (en) * | 2004-12-10 | 2006-06-15 | The Regents Of The University Of Californica | Generic transducer interface |
| CN101639492A (en) * | 2008-08-01 | 2010-02-03 | 上海安科瑞电气有限公司 | Three-phase electrical energy meter mounted in guide rail form |
| CN103324174A (en) * | 2013-06-09 | 2013-09-25 | 北京津宇嘉信科技开发有限公司 | Multichannel communication acquisition system |
| CN103401772A (en) * | 2013-07-30 | 2013-11-20 | 北京华电天仁电力控制技术有限公司 | Device for switching from ETHERNET/IP (Internet Protocol) industrial Ethernet to Profibus-DP |
| CN205249653U (en) * | 2015-12-11 | 2016-05-18 | 菲尼克斯亚太电气（南京）有限公司 | Electronic module of compatible panel stack installation and installation of DIN guide rail |
| CN105681086A (en) * | 2016-01-21 | 2016-06-15 | 珠海格力电器股份有限公司 | Communication manager and data collection method of programmable logic control device |
| CN205384498U (en) * | 2016-03-01 | 2016-07-13 | 深圳制云科技有限公司 | PLC data collection station |
| CN206258677U (en) * | 2016-11-18 | 2017-06-16 | 华电重工股份有限公司 | A kind of data acquisition equipment |
-
2016
- 2016-11-18 CN CN201611035529.2A patent/CN106371344A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060129347A1 (en) * | 2004-12-10 | 2006-06-15 | The Regents Of The University Of Californica | Generic transducer interface |
| CN101639492A (en) * | 2008-08-01 | 2010-02-03 | 上海安科瑞电气有限公司 | Three-phase electrical energy meter mounted in guide rail form |
| CN103324174A (en) * | 2013-06-09 | 2013-09-25 | 北京津宇嘉信科技开发有限公司 | Multichannel communication acquisition system |
| CN103401772A (en) * | 2013-07-30 | 2013-11-20 | 北京华电天仁电力控制技术有限公司 | Device for switching from ETHERNET/IP (Internet Protocol) industrial Ethernet to Profibus-DP |
| CN205249653U (en) * | 2015-12-11 | 2016-05-18 | 菲尼克斯亚太电气（南京）有限公司 | Electronic module of compatible panel stack installation and installation of DIN guide rail |
| CN105681086A (en) * | 2016-01-21 | 2016-06-15 | 珠海格力电器股份有限公司 | Communication manager and data collection method of programmable logic control device |
| CN205384498U (en) * | 2016-03-01 | 2016-07-13 | 深圳制云科技有限公司 | PLC data collection station |
| CN206258677U (en) * | 2016-11-18 | 2017-06-16 | 华电重工股份有限公司 | A kind of data acquisition equipment |
Non-Patent Citations (1)
| Title |
|---|
| 林敏: "《计算机控制技术及工程应用》", 31 January 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505911A (en) * | 2017-10-23 | 2017-12-22 | 盐城工学院 | Data collecting system and power equipment monitoring system |
| CN112270147A (en) * | 2020-10-29 | 2021-01-26 | 国核自仪系统工程有限公司 | Board card and control method thereof |
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Application publication date: 20170201 |