CN209590631U - Data acquisition device and system based on bluetooth Mesh network - Google Patents
Data acquisition device and system based on bluetooth Mesh network Download PDFInfo
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- CN209590631U CN209590631U CN201920111521.2U CN201920111521U CN209590631U CN 209590631 U CN209590631 U CN 209590631U CN 201920111521 U CN201920111521 U CN 201920111521U CN 209590631 U CN209590631 U CN 209590631U
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- 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
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- 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]
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Abstract
The utility model discloses a kind of data acquisition devices based on bluetooth Mesh network, comprising: acquisition interface, analogue collection module, digital data acquisition module, data conversion module and bluetooth module；Acquisition interface is used to acquire the data-signal of industrial equipment；Analogue collection module is for acquiring analog data signal；Digital data acquisition module is for acquiring digital data signal；Data conversion module is for receiving acquisition interface, analogue collection module and digital data acquisition module collected data；Bluetooth module is for wirelessly transmitting data conversion module received data.The invention also discloses a kind of data collection systems based on bluetooth Mesh network.Using the utility model, the interface class of amount to be collected is extended, realizes the remote capture of data.
Description
Technical field
The utility model relates to network technique field more particularly to a kind of data acquisition devices based on bluetooth Mesh network
And a kind of data collection system based on bluetooth Mesh network.
Background technique
In field of industrial production, machinery equipment current operating conditions need to be often monitored in real time, so as to unified management.Wherein,
According to the difference of specific production equipment classification, data acquisition protocol classification multiplicity, such as CAN, Profibus, Modbus and ether
Net.The data of equipment need uniformly to summarize to Industry Control end the control for realizing equipment after acquisition.
Currently, it is one or more in the agreement of industrial equipment data acquisition technology energy outfit standard, it is such as above-mentioned
CAN, Profibus, Modbus and Ethernet provide the Unified Data Transport format based on ICP/IP protocol toward upper layer, and adopt
Data transfer mode after collection mainly has wireless and two kinds wired.
As shown in Figure 1, traditional industrial circle data acquisition is often used the wire transmission based on RS-485/CAN agreement
Mode is linked together acquisition terminal and receiving end by physical circuit, and the acquisition of data is carried out by physical link.But
It is that wire transmission mode needs to carry out physical routing connection to each equipment, and message transmission rate is slow, poor in timeliness.
As shown in Fig. 2, intelligent industrial field uses Zigbee/Wi-Fi wireless technology, without the building of physical link, lead to
Wireless technology is crossed by acquisition terminal data transmission to data receiver, simplifies device layout, overcomes transmission link by place shadow
Loud limitation.But the communication role distance < 100m of wireless acquisition system, networking mode complexity is inefficient, in multi-equipment environment
Data transmission is unstable, is easy to cause data acquisition inaccuracy.
Meanwhile although above-mentioned acquisition scheme is able to satisfy the industrial equipment data acquisition of standard, but in subsequent scrap build
It is during upgrading, subsequent newly-increased status information cannot be detected, such as liquid height, motor speed, key-press status etc..Cause this existing
As if due to not accounting for Later development demand during device fabrication, has ignored and some thought at that time without acquisition
Data information (analog quantity or digital quantity) causes corresponding sensor not being assembled, so that such data can not in upgrading
It is acquired.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of, and the data based on bluetooth Mesh network acquire dress
It sets and system, the interface class of expansible amount to be collected realizes the remote capture of data.
In order to solve the above-mentioned technical problem, the utility model provides a kind of data acquisition dress based on bluetooth Mesh network
It sets, including acquisition interface, analogue collection module, digital data acquisition module, data conversion module and bluetooth module；The acquisition
Interface is used to acquire the data-signal of industrial equipment；The analogue collection module is for acquiring analog data signal；It is described
Digital data acquisition module is for acquiring digital data signal；The data conversion module is for receiving the acquisition interface, mould
The collected data of analog quantity acquisition module and digital data acquisition module institute；The bluetooth module is for being connect data conversion module
The data of receipts are wirelessly transmitted.
As an improvement of the above scheme, the acquisition interface includes that RJ45 interface, RS-485 interface, CAN interface and USB connect
Mouthful.
As an improvement of the above scheme, the RS-485 interface is connect by RS-485 converting interface with PC machine.
As an improvement of the above scheme, the analogue collection module includes analog quantity isolation module, multichannel analog amount
Acquisition chip and computing module；The analog quantity isolation module is used to be isolated the interference signal of extraneous industrial environment；The multi-pass
Road analog acquisition chip is for acquiring through analog quantity isolation module treated analog data signal；The computing module is used
It is handled in multichannel analog amount acquisition chip analog data signal collected progress digital filtering and smoothing algorithm.
As an improvement of the above scheme, the digital data acquisition module includes digital quantity isolation module and detection module；Institute
Digital quantity isolation module is stated for the interference signal of extraneous industrial environment to be isolated；The detection module for acquire through digital quantity every
From the digital data signal after resume module.
As an improvement of the above scheme, the data acquisition device based on bluetooth Mesh network is equipped with independent MAC Address code.
Correspondingly, the utility model additionally provides a kind of data collection system based on bluetooth Mesh network, including is based on
The data acquisition device of bluetooth Mesh network and multiple PLC devices, the data acquisition device based on bluetooth Mesh network with
It is connected between PLC device by acquisition interface.
As an improvement of the above scheme, the data acquisition device based on bluetooth Mesh network is based on bluetooth with other
It is communicated between the data acquisition device of Mesh network by Mesh networking mode.
As an improvement of the above scheme, mobile device accesses Mesh network by included bluetooth equipment.
Implement the utility model, has the following beneficial effects:
One, compared with prior art, analogue collection module and digital data acquisition module is added in the utility model, greatly
Meet the seamless acquisition access for increasing monitoring parameter newly because of later period industrial upgrades transformation demand, extends the interface class of amount to be collected
Not；The quantity of state of later period newly added equipment is united with the quantity of state for meeting industry-standard protocol originally by data conversion module
One reception shields the details of acquisition interface.
Two, compared with existing wireless collection technology, the utility model uses newest bluetooth Mesh technology, data transmission distance
From further being lengthened；It is low with more Costco Wholesale, timeliness is strong, stability in addition, compared with other wireless transmission methods
Good advantage；Meanwhile using Mesh networking technology, convenient for addition acquisition equipment into acquisition local area network.
Three, the utility model provides RS-485 converting interface and connect with the end PC.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing industrial circle data collection system；
Fig. 2 is the structural schematic diagram of existing intelligent industrial equipment acquisition system；
Fig. 3 is the example structure schematic diagram of data acquisition device of the utility model based on bluetooth Mesh network；
Fig. 4 is the structural schematic diagram of analogue collection module in Fig. 3；
Fig. 5 is the structural schematic diagram of digital data acquisition module in Fig. 3；
Fig. 6 is the structural schematic diagram of data collection system of the utility model based on bluetooth Mesh network；
Fig. 7 is the Mesh networking schematic diagram of the utility model；
Fig. 8 is the network communication schematic diagram of the utility model；
Fig. 9 is the schematic diagram of passive type acquisition mode in the utility model；
Figure 10 is the schematic diagram of active acquisition mode in the utility model；
Figure 11 is that schematic diagram is docked in PC machine and receiving end in the utility model；
Figure 12 is that mobile terminal and Mesh network dock schematic diagram in the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
The example structure of data acquisition device of the utility model based on bluetooth Mesh network is shown referring to Fig. 3, Fig. 3
Schematic diagram comprising acquisition interface, analogue collection module, digital data acquisition module, data conversion module and bluetooth module.
It should be noted that this is practical since all status informations can totally be divided into analog quantity and digital quantity
It is novel to increase analogue collection module and digital data acquisition module in the case where the standard industry protocol of compatible universal, extension
The classification of data can be acquired, can greatly be met needed for later period industrial upgrading.Meanwhile data conversion module is to the number collected
According to the timeliness and stability for being received, and being transmitted using wireless blue tooth Mesh transmission technology enhancing acquisition data.Wherein:
Acquisition interface, for acquiring the data-signal of industrial equipment.Specifically, the acquisition interface include RJ45 interface,
RS-485 interface, CAN interface and USB interface are able to satisfy common industrial data collection, system that but not limited to this.Wherein, RJ45
Interface is able to satisfy the industrial equipment interface with network communicating function, is acquired using ICP/IP protocol cluster.RS-485 interface
It is able to satisfy the industrial half-duplex principal and subordinate acquisition mode of standard, built-in enhancing chip is supported the collecting work of great deal of nodes, can be supported
Modbus, Profibus agreement.CAN interface is able to satisfy the industrial equipment that standard meets fieldbus specification.USB interface is able to satisfy
Industrial equipment with USB interface.
In addition, the RS-485 interface is connect by RS-485 converting interface with PC machine.
As shown in figure 4, analogue collection module is for acquiring analog data signal.The analogue collection module includes
Analog quantity isolation module, multichannel analog amount acquisition chip and computing module.Specifically:
The analog quantity isolation module is used to be isolated the interference signal of extraneous industrial environment, acquires core for multichannel analog amount
Piece provides clean input signal.Specifically, the analog quantity isolation module is analog quantity isolator.
The multichannel analog amount acquisition chip can be adopted according to acquisition time, frequency acquisition, acquisition precision and acquisition channel
Collection is through analog quantity isolation module treated analog data signal.Specifically, the multichannel analog amount acquisition chip can be with
For the multichannel analog amount Acquisition Instrument based on EPA, system that but not limited to this.
The computing module is used to carry out number to multichannel analog amount acquisition chip analog data signal collected
Filtering and smoothing processing, further increase the acquisition precision of analog quantity.Specifically, the computing module can be digital filtering
Device, system that but not limited to this.
As shown in figure 4, digital data acquisition module is for acquiring digital data signal.The digital data acquisition module includes
Digital quantity isolation module and detection module.Specifically:
The digital quantity isolation module is used to be isolated the interference signal of extraneous industrial environment, acquires core for multichannel analog amount
Piece provides clean input signal.It should be noted that (' 0 ' and ' 1 ') often brings shake when due to extraneous digital switch,
Therefore isolation module can equally eliminate the type shake.Specifically, the digital quantity isolation module is digital quantity isolator.
The detection module use level detection, Edge check mode, acquisition through digital quantity isolation module treated number
Word amount data-signal.Wherein, it is equipped with timer and counter inside detection module, is able to satisfy the multiple frequent acquisition of signal, such as
Click revolving speed, number of shocks etc..
Meanwhile the data conversion module is for receiving the acquisition interface, analogue collection module and digital data acquisition
The collected data of module institute.It should be noted that data conversion module provides the support of multi-protocols, it can access multiple sensors
(such as acquisition interface, analogue collection module, digital data acquisition module) does not have to external analog-digital converter or digital analog converter.Tool
Body, the model of the data conversion module can be NRF52832 or CSR1010, system that but not limited to this.
The bluetooth module is removed from and being adopted for wirelessly transmitting data conversion module received data
Collect the wired connection at end and industry control end, and can flexible installing and dismounting.In addition, between the bluetooth module and other bluetooth modules
It is communicated by Mesh networking mode, so that multiple data acquisition devices based on bluetooth Mesh network constitute big acquisition net
Network system, convenient for the team control management of more equipment.
As shown in figure 5, data acquisition had both may be implemented in data acquisition device of the utility model based on bluetooth Mesh network
Also data receiver may be implemented.Specifically, bluetooth module can receive data transmitted by Mesh network, meanwhile, acquisition interface
Data-signal can be sent to industrial equipment.Therefore, by adapting to the data acquisition device based on bluetooth Mesh network
Property modification, multiple data acquisition devices based on bluetooth Mesh network can be combined into it is a set of acquisition, transmission, receive system
System, strong flexibility.
Further, the data acquisition device based on bluetooth Mesh network is equipped with independent MAC Address code.
The specific structure of data collection system of the utility model based on bluetooth Mesh network is shown referring to Fig. 6, Fig. 6,
It includes data acquisition device and multiple PLC devices based on bluetooth Mesh network, the data based on bluetooth Mesh network
It is connected between acquisition device and PLC device by acquisition interface.
Specifically, the acquisition interface includes that RJ45 interface, RS-485 interface, CAN interface (RS-232 interface) and USB connect
Mouthful, system that but not limited to this, wherein mainly based on RS485 interface, CAN interface and RJ45 interface.
It should be noted that in the data acquisition device based on bluetooth Mesh network bluetooth module and other bluetooth modules it
Between communicated by Mesh networking mode, i.e., multiple data acquisition devices based on bluetooth Mesh network constitute Mesh net
Network, therefore, data collection system of the utility model based on bluetooth Mesh network can pass through the Mesh networking skill of wireless blue tooth 5.0
Art carries out equipment room and carries out point-to-point, point-to-multipoint, multi-multipoint data collection task.
In the utility model, based on the data acquisition device use of bluetooth Mesh network with RS485 interface, CAN interface and
Physical link based on RJ45 interface connects the PLC device of multiple data to be collected, by with RS485 interface, CAN interface and
The data that bus mode based on RJ45 interface constitutes one master and multiple slaves acquire relationship, can flexibly realize various standard industry bus associations
View communication, and the various operating state datas such as analog signal and number letter for acquiring PLC device end in real time.Wherein, it is based on bluetooth
The major function of the data acquisition device of Mesh network is to obtain collected data, finally, by bluetooth module that data are past
It is transmitted in Mesh networking, reaches specified receiving end.
Correspondingly, by passing through Mesh network grid group between each data acquisition device based on bluetooth Mesh network
Connection (referring to Fig. 7) is built, so that data acquisition device of each of the Mesh network based on bluetooth Mesh network can be sent out
Data are sent and receive, the data acquisition device each based on bluetooth Mesh network can be carried out with one or more peer modules
Direct communication.Meanwhile the data acquisition device based on bluetooth Mesh network has independent MAC Address code to distinguish, Bu Huifa
Raw acquisition collision problem.Mesh can not be accessed when a data acquisition device based on bluetooth Mesh network breaks down and normally
When network, the normal communication of remaining data acquisition device based on bluetooth Mesh network is not interfered with.In addition, for exist by
The Mesh of multiple data acquisition device compositions based on bluetooth Mesh network acquires network, and it is logical need to acquire progress data between network
When letter transmission, number can be served as by one data acquisition device based on bluetooth Mesh network of addition between acquisition network suitable distance
According to relay point, so that two longer-distance acquisition network energy normal communications (referring to Fig. 8).
In addition, the data transfer mode of the data acquisition device based on bluetooth Mesh network is different according to the scene of realization,
Active transmission can be divided into and passively transmit two ways.
As shown in figure 9, for passive type acquisition mode, when receiving end needs to acquire the work of the PLC device of specified address
When quantity of state, acquisition instructions are sent via Mesh network by the bluetooth module of receiving end first, when collection terminal receives acquisition
After instruction, the bus based on RS485 interface, CAN interface and RJ45 interface is connected to by the acquisition of standard industry communication agreement
On specific PLC device carry out status information.After the completion of acquisition, then by collection terminal bluetooth module via Mesh network by data
It is transferred back into receiving end, completes the acquisition of data.
As shown in Figure 10, for active acquisition mode, collection terminal is acquired in real time by standard industry communication agreement and is made
The working condition amount for determining the PLC device of address transmits data to receiving end via Mesh network periodically by bluetooth module,
Complete the collecting work of data.
In addition, for the implementation of receiving end, the RS-485 interface of the data acquisition device based on bluetooth Mesh network
It can be docked by additional RS-485 translation interface with PC machine, realize that PC machine acquires (referring to figure the data of live PLC device
11).Mobile device can be accessed in Wireless Mesh acquisition system network by included bluetooth equipment, realize mobile terminal pair
The data of live PLC device acquire (referring to Figure 12).
From the foregoing, it will be observed that the utility model has the following beneficial effects:
One, compared with prior art, analogue collection module and digital data acquisition module is added in the utility model, greatly
Meet the seamless acquisition access for increasing monitoring parameter newly because of later period industrial upgrades transformation demand, extends the interface class of amount to be collected
Not；The quantity of state of later period newly added equipment is united with the quantity of state for meeting industry-standard protocol originally by data conversion module
One reception shields the details of acquisition interface, so that data receiver can obtain various status informations.
Two, compared with existing wireless collection technology, the utility model uses newest bluetooth Mesh technology, data transmission distance
From further being lengthened；It is low with more Costco Wholesale, timeliness is strong, stability in addition, compared with other wireless transmission methods
Good advantage；Meanwhile using Mesh networking technology, convenient for addition acquisition equipment into acquisition local area network.
Three, the utility model provides RS-485 converting interface and connect with the end PC.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (9)
1. a kind of data acquisition device based on bluetooth Mesh network, which is characterized in that including acquisition interface, analog acquisition mould
Block, digital data acquisition module, data conversion module and bluetooth module；
The acquisition interface is used to acquire the data-signal of industrial equipment；
The analogue collection module is for acquiring analog data signal；
The digital data acquisition module is for acquiring digital data signal；
The data conversion module is acquired for receiving the acquisition interface, analogue collection module and digital data acquisition module
The data arrived；
The bluetooth module is for wirelessly transmitting data conversion module received data.
2. the data acquisition device as described in claim 1 based on bluetooth Mesh network, which is characterized in that the acquisition interface
Including RJ45 interface, RS-485 interface, CAN interface and USB interface.
3. the data acquisition device as claimed in claim 2 based on bluetooth Mesh network, which is characterized in that the RS-485 connects
Mouth is connect by RS-485 converting interface with PC machine.
4. the data acquisition device as described in claim 1 based on bluetooth Mesh network, which is characterized in that the analog quantity is adopted
Collecting module includes analog quantity isolation module, multichannel analog amount acquisition chip and computing module；
The analog quantity isolation module is used to be isolated the interference signal of extraneous industrial environment；
The multichannel analog amount acquisition chip is for acquiring through analog quantity isolation module treated analog data signal；
The computing module is used to carry out digital filtering to multichannel analog amount acquisition chip analog data signal collected
And smoothing processing.
5. the data acquisition device as described in claim 1 based on bluetooth Mesh network, which is characterized in that the digital quantity is adopted
Collecting module includes digital quantity isolation module and detection module；
The digital quantity isolation module is used to be isolated the interference signal of extraneous industrial environment；
The detection module is for acquiring through digital quantity isolation module treated digital data signal.
6. the data acquisition device as described in claim 1 based on bluetooth Mesh network, which is characterized in that be based on bluetooth Mesh
The data acquisition device of network is equipped with independent MAC Address code.
7. a kind of data collection system based on bluetooth Mesh network, which is characterized in that including any one of such as claim 1~6
The described data acquisition device based on bluetooth Mesh network and multiple PLC devices, the data based on bluetooth Mesh network
It is connected between acquisition device and PLC device by acquisition interface.
8. the data collection system as claimed in claim 7 based on bluetooth Mesh network, which is characterized in that described based on indigo plant
Pass through Mesh networking between the data acquisition device of tooth Mesh network and other data acquisition devices based on bluetooth Mesh network
Mode is communicated.
9. the data collection system as claimed in claim 7 based on bluetooth Mesh network, which is characterized in that mobile device passes through
Included bluetooth equipment accesses Mesh network.
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| CN201820258457 | 2018-02-13 | ||
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123766A (en) * | 2019-12-09 | 2020-05-08 | 重庆顺泰铁塔制造有限公司 | Bluetooth Mesh-based smart factory data acquisition method and system |
| CN112188402A (en) * | 2020-09-08 | 2021-01-05 | 武汉齐物科技有限公司 | Riding position sharing method and device based on Bluetooth mesh and stopwatch |
-
2019
- 2019-01-22 CN CN201920111521.2U patent/CN209590631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123766A (en) * | 2019-12-09 | 2020-05-08 | 重庆顺泰铁塔制造有限公司 | Bluetooth Mesh-based smart factory data acquisition method and system |
| CN112188402A (en) * | 2020-09-08 | 2021-01-05 | 武汉齐物科技有限公司 | Riding position sharing method and device based on Bluetooth mesh and stopwatch |
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