CN206283532U - A kind of data acquisition device - Google Patents
A kind of data acquisition device Download PDFInfo
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- CN206283532U CN206283532U CN201621492837.3U CN201621492837U CN206283532U CN 206283532 U CN206283532 U CN 206283532U CN 201621492837 U CN201621492837 U CN 201621492837U CN 206283532 U CN206283532 U CN 206283532U
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- 238000004891 communication Methods 0.000 claims abstract description 82
- 238000006243 chemical reaction Methods 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims description 13
- 238000011161 development Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
This application provides a kind of data acquisition device, controller can the communication protocol that uses of instrument described in automatic decision whether be default communication protocol, when the communication protocol that instrument is used is not default communication protocol, the communication Protocol Conversion that instrument can be used is default communication protocol, and then can carry out data transmission data acquisition device and instrument, technical staff is no longer needed to go to carry out protocol development and drive to develop, also be not in that developer develops mistake in exploitation due to occurring, make the agreement developed and driving, there is deviation with the communication protocol that field instrument is used, cause can not normal data of acquisition instrument problem.
Description
Technical field
The utility model is related to the communications field, more specifically to a kind of data acquisition device.
Background technology
With continuing to develop for science and technology, the utilization rate more and more higher of industrial instrument, these instrument are mostly operated in respectively
From system in, detect the service data of its corresponding equipment.The data of the various instrument at scene are carried out into concentrated collection, according to
The data of various instrument are analyzed, and are the important means of field device failure analysis in future.
Usage data collection device in the data of the different instrument of collection site, due to the communication protocols of different instrument
Discuss different, it is necessary to which developer carries out protocol development and drive to develop according to the communication protocol of instrument, to meet different leading to
Believe the requirement of agreement, although the method can access different instrument, developer in exploitation, due to the development time compared with
Short or instrument data imperfection, developer it is possible that mistake, and then makes the protocol-driven developed and existing in exploitation
There is deviation in the communication protocol that instrument is used, this will cause can not normal acquisition instrument data.
Therefore, a kind of data acquisition device of the data that can gather the instrument with different communication protocol is needed badly.
Utility model content
To solve in the prior art when the data of different instrument are gathered, developer is wrong due to developing in exploitation
By mistake or instrument data imperfection and cause the problem of the data for being unable to normal acquisition instrument, the utility model provides a kind of data and adopts
Acquisition means.
To achieve the above object, the utility model provides following technical scheme：
A kind of data acquisition device, including：
Controller, random access memory, input interface；Wherein, the random access memory and the input interface
It is connected with the controller respectively；
The input interface, for receiving the message of instrument transmission, and sends the messages to the controller；
The controller, for receiving the message, and send the messages to the random access memory, from institute
State and take out the message in random access memory, judge whether the communication protocol that the message is used is default communication protocols
View, if judging, the communication protocol that the message is used is not the default communication protocol, the communication that the message is used
Protocol conversion is the default communication protocol；Wherein, it is described default in the communication Protocol Conversion for using the message
During communication protocol, the communication Protocol Conversion that the controller is additionally operable to use the message is the default communication
The data that are produced during agreement, it is sent to the random access memory and when the data are needed to use, from institute
State random access memory and read the data；
The random access memory, for receiving and stores the message and the data.
Preferably, also include：
Flash memory；The flash memory is connected with the controller；
The controller, is additionally operable to that the flash memory will be sent to by the message after protocol conversion；
The flash memory, for receiving and stores the message by after protocol conversion.
Preferably, also include：
Maintenance interface and interface level conversion chip；The maintenance interface is connected with the controller, the interface level
Conversion chip is connected with the controller, the input interface respectively；
The maintenance interface, the interface switching command for receiving external equipment transmission, and by the interface switching command
It is sent to the controller；
The controller, is additionally operable to, according to the interface switching command, generate interface level conversion command, and connect described
Mouth level conversion order is sent to the interface level conversion chip；
The interface level conversion chip, for receiving the interface level conversion command that the controller sends, and
Interface level conversion operation is carried out to the input interface.
Preferably, also include：Output interface；The output interface is connected with the controller；
The controller, is additionally operable to read the message by after protocol conversion from the flash memory, and by the warp
The message crossed after protocol conversion is sent to the output port；
The output port, for receiving and arrives external equipment by the message output by after protocol conversion.
Preferably, the communication Protocol Conversion that the controller uses the message is the default communication protocol, tool
Body is used for：
The data form of the communication protocol that the message is used is carried out with the data form of the default communication protocol
Matching.
Preferably, the input interface includes multiple Data Input Interfaces, wherein, each Data Input Interface respectively with institute
State controller connection；
Described each Data Input Interface, the message that the instrument for receiving itself connection sends, and described itself will connect
The message that the instrument for connecing sends is sent to the controller.
Preferably,
The input interface is RS422 interfaces, RS485 interfaces or network interface.
Preferably,
The output interface is network interface.
From above-mentioned technical proposal as can be seen that the utility model provides a kind of data acquisition device, controller can be certainly
It is dynamic to judge whether the communication protocol that the instrument is used is default communication protocol, when the communication protocol that instrument is used is not default
Communication protocol when, the communication Protocol Conversion that can be used instrument is default communication protocol, and then can make data acquisition
Device and instrument carry out data transmission, it is no longer necessary to which technical staff goes to carry out protocol development and drive to develop, and is also not in out
Hair personnel, due to there is exploitation mistake, make the agreement developed and driving, the communication protocol used with field instrument in exploitation
There is deviation, cause can not normal data of acquisition instrument problem.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
A kind of structural representation of data acquisition device that Fig. 1 is provided for the utility model；
The structural representation of another data acquisition device that Fig. 2 is provided for the utility model；
The structural representation of the third data acquisition device that Fig. 3 is provided for the utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model embodiment provide a kind of data acquisition device, reference picture 1, including：
Controller 101, random access memory 102, input interface 103；Wherein, random access memory 102 and input
Interface 103 is connected with controller 101 respectively；
Input interface 103, for receiving the message of instrument transmission, and is sent to controller 101 by message；
Controller 101, for receiving message, and message is sent to random access memory 102, from random access memory
The message is taken out in device 102, judges whether the communication protocol that message is used is default communication protocol, and outgoing packet is used if judging
Communication protocol be not default communication protocol, the communication Protocol Conversion that message is used is default communication protocol；Wherein, exist
During the communication Protocol Conversion that message is used is default communication protocol, controller 101 is additionally operable to use message
Communication Protocol Conversion be produce during default communication protocol data, be sent to random access memory 102 and work as
Data are read when needing to use data, from random access memory 102；
Random access memory 102, for receiving simultaneously stored messages and data.
Wherein, controller 101 is the device by chip and Circuit assembly.Input interface 103 be RS422 interfaces,
RS485 interfaces or network interface.In addition to this it is possible to be other interfaces.Instrument can pass through when input interface 103 is accessed
Data wire connect, data wire connection input interface 103 one end can be arranged to the identical interface of input interface 103, also may be used
It is connected on cable with one end that data wire is not connected instrument, then input port 103 is connected to by cable.
In the present embodiment, the course of work of each device is：
Input interface 103 receives the message that instrument sends, and message is sent into controller 101, and controller 101 receives report
Wen Hou, is sent to message random access memory 102, the message is taken out from random access memory 102, judges that message makes
Whether communication protocol is default communication protocol, if judging, the communication protocol that outgoing packet is used is not default communication protocols
View, the communication Protocol Conversion that message is used is default communication protocol.
It should be noted is that, controller 101 is default communication protocol in the communication Protocol Conversion for using message
During produce data can store in random access memory 102, when need those data when, will be from arbitrary access
The data are transferred in memory 102.I.e. random access memory 102 plays the function of interim storage data.
Specifically, the communication Protocol Conversion that controller 101 uses message is default communication protocol, specifically for：
The data form of the communication protocol that message is used is matched with the data form of default communication protocol.
Specifically, the data form of different agreement is different, just because of the difference of data form, and make different associations
Can not be communicated between view, the data form of the communication protocol that message is used is entered with the data form of default communication protocol
Row matching, it becomes possible to ensure to be changed between different agreement.Wherein, default communication protocol is staff according to specific
What usage scenario was set.
Additionally, input interface 103 includes multiple Data Input Interfaces, wherein, each Data Input Interface respectively with control
Device 101 is connected；
Each Data Input Interface, the message that the instrument for receiving itself connection sends, and the instrument that itself is connected
The message of transmission is sent to controller 101.
Specifically, whole data acquisition device is provided with an input interface 103, but included in the input interface 103
There are multiple Data Input Interfaces, so, input interface 103 has access to multiple instrument, and then data acquisition device can
The data of multiple instrument are gathered simultaneously, improve the efficiency of data acquisition.
In the present embodiment, controller 101 can the communication protocol that uses of automatic decision instrument whether be default communication protocols
View, when the communication protocol that instrument is used is not default communication protocol, the communication Protocol Conversion that can be used instrument is pre-
If communication protocol, and then can carry out data transmission data acquisition device and instrument, it is no longer necessary to which technical staff goes to carry out
Protocol development is developed with driving, is also not in that developer develops mistake in exploitation due to occurring, and makes the agreement developed
And driving, there is deviation with the communication protocol that field instrument is used, cause can not normal data of acquisition instrument problem.
Optionally, in another embodiment of the present utility model, reference picture 2 also includes：
Flash memory 104；Flash memory 104 is connected with controller 101；
Controller 101, is additionally operable to that flash memory 104 will be sent to by the message after protocol conversion；
Flash memory 104, for receiving and stores by the message after protocol conversion.
In addition, also include：
Output interface 105；Output interface 105 is connected with controller 101；
Controller 101, is additionally operable to be read by the message after protocol conversion from flash memory 104, and will be by protocol conversion
Message afterwards is sent to output port 105；
Output port 105, external equipment is arrived for receiving and will be exported by the message after protocol conversion.
Specifically, the course of work of each device is：
The communication Protocol Conversion that controller 101 uses message be default communication protocol after, can be by by protocol conversion
Message afterwards is stored in flash memory 104, and when external equipment needs these messages, controller 101 can read warp from flash memory 104
The message crossed after protocol conversion, and output port 105 will be sent to by the message after protocol conversion, by output port 105
It is sent to external equipment.
When output port 105 sends message to external equipment, according to the size of message, selection is disposably to send out message
Send, or framing sends message, when framing sends message, can there is time delay between frame and frame, for example, sent
After first frame message, after the specified time can be spaced, the second frame message is sent, until whole message is sent on external equipment.
Wherein, external equipment can be notebook, computer or cloud platform etc..Output interface 105 is network interface.
It should be noted is that, random access memory 102 and flash memory 104 be for data storage, but with
The storage speed of machine access memory 102 is faster than the storage speed of flash memory 104.
In the present embodiment, the communication Protocol Conversion that controller 101 uses message be default communication protocol after, can by through
The message crossed after protocol conversion is stored in flash memory 104.When external equipment needs these messages, can be by output port 105
It is sent to external equipment.
Optionally, in another embodiment of the present utility model, reference picture 3 also includes：
Maintenance interface 106 and interface level conversion chip 107；Maintenance interface 106 is connected with controller 101, interface level
Conversion chip 107 is connected with controller 101, input interface 103 respectively；
Maintenance interface 106, for receiving the interface switching command of external equipment transmission, and interface switching command is sent to
Controller 101；
Controller 101, is additionally operable to according to interface switching command, generates interface level conversion command, and interface level is turned
Change order and be sent to interface level conversion chip 107；
Interface level conversion chip 107, the interface level conversion command for receiving the transmission of controller 101, and to input
Interface 103 carries out interface level conversion operation.
Specifically, the course of work of each device is：
When the interface of the instrument for accessing is mismatched with the input interface 103 of notebook data harvester, now can just lead to
The maintenance interface 106 crossed in the present embodiment and interface level conversion chip 107 realize the matching of interface.
Now notebook data harvester can be connected to by external equipment by maintenance interface 106, such as on computer.Maintenance connects
Mouth 106 receives the interface switching command that external equipments send, and interface switching command is sent into controller 101, controller 101
According to interface switching command, interface level conversion command is generated, and interface level conversion command is sent to interface level conversion
Chip 107, interface level conversion chip 107 receives the interface level conversion command that controller 101 sends, and to input interface
103 carry out interface level conversion operation, and the input interface 103 of notebook data harvester is matched with the interface of instrument.
As an example it is assumed that the interface for accessing input interface 103 is RS485 interfaces, and input interface 103 is network interface, this
When by interface level conversion chip 107, can will just connect the line of those transmission data of network interface, by RS485 interfaces not
The line that can be used, is arranged to transmit the line of data.
It should be noted that the present embodiment is the conversion that interface is realized by interface level conversion chip 107, except this it
Outward, additionally it is possible to the conversion of interface is realized by way of wire jumper.And then realize the data transfer between distinct interface.
In the present embodiment, by interface level conversion chip 107 and maintenance interface 106, the interface of instrument can be realized
With matching for input interface 103, and then the transmission of data can be realized.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of data acquisition device, it is characterised in that including：
Controller, random access memory, input interface；Wherein, the random access memory and the input interface are distinguished
It is connected with the controller；
The input interface, for receiving the message of instrument transmission, and sends the messages to the controller；
The controller, for receiving the message, and send the messages to the random access memory, from it is described with
The message is taken out in machine access memory, judges whether the communication protocol that the message is used is default communication protocol, if
Judge that the communication protocol that the message is used is not the default communication protocol, the communication protocol that the message is used turns
It is changed to the default communication protocol；Wherein, it is the default communication protocols in the communication Protocol Conversion for using the message
During view, it is the default communication protocol that the controller is additionally operable to the communication Protocol Conversion that the message is used
During produce data, be sent to the random access memory and when the data are needed to use, from described random
Access memory reads the data；
The random access memory, for receiving and stores the message and the data.
2. data acquisition device according to claim 1, it is characterised in that also include：
Flash memory；The flash memory is connected with the controller；
The controller, is additionally operable to that the flash memory will be sent to by the message after protocol conversion；
The flash memory, for receiving and stores the message by after protocol conversion.
3. data acquisition device according to claim 1, it is characterised in that also include：
Maintenance interface and interface level conversion chip；The maintenance interface is connected with the controller, the interface level conversion
Chip is connected with the controller, the input interface respectively；
The maintenance interface, the interface switching command for receiving external equipment transmission, and the interface switching command is sent
To the controller；
The controller, is additionally operable to according to the interface switching command, generates interface level conversion command, and the interface is electric
Flat conversion command is sent to the interface level conversion chip；
The interface level conversion chip, for receiving the interface level conversion command that the controller sends, and to institute
Stating input interface carries out interface level conversion operation.
4. data acquisition device according to claim 2, it is characterised in that also include：Output interface；The output interface
It is connected with the controller；
The controller, is additionally operable to read the message by after protocol conversion from the flash memory, and by described by assisting
Message after view conversion is sent to the output port；
The output port, for receiving and arrives external equipment by the message output by after protocol conversion.
5. data acquisition device according to claim 1, it is characterised in that the controller by the message use it is logical
Letter protocol conversion is the default communication protocol, specifically for：
The data form of the communication protocol that the message is used is matched with the data form of the default communication protocol.
6. data acquisition device according to claim 1, it is characterised in that the input interface includes multiple data inputs
Interface, wherein, each Data Input Interface is connected with the controller respectively；
Described each Data Input Interface, for receive itself connection instrument send message, and by it is described itself connection
The message that instrument sends is sent to the controller.
7. data acquisition device according to claim 1, it is characterised in that
The input interface is RS422 interfaces, RS485 interfaces or network interface.
8. data acquisition device according to claim 4, it is characterised in that
The output interface is network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492837.3U CN206283532U (en) | 2016-12-30 | 2016-12-30 | A kind of data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492837.3U CN206283532U (en) | 2016-12-30 | 2016-12-30 | A kind of data acquisition device |
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| Publication Number | Publication Date |
|---|---|
| CN206283532U true CN206283532U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492837.3U Active CN206283532U (en) | 2016-12-30 | 2016-12-30 | A kind of data acquisition device |
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|---|---|
| CN (1) | CN206283532U (en) |
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2016
- 2016-12-30 CN CN201621492837.3U patent/CN206283532U/en active Active
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