CN106895868A - A kind of internet of things sensors equipment batch caliberating device - Google Patents
A kind of internet of things sensors equipment batch caliberating device Download PDFInfo
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- CN106895868A CN106895868A CN201710256965.0A CN201710256965A CN106895868A CN 106895868 A CN106895868 A CN 106895868A CN 201710256965 A CN201710256965 A CN 201710256965A CN 106895868 A CN106895868 A CN 106895868A
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- 238000004891 communication Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- 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
- G05B19/0421—Multiprocessor system
-
- 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
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2231—Master slave
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25176—RS485, differential data signals, xor
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25178—Serial communication, data, also repeater
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25252—Microprocessor
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The embodiment of the invention provides a kind of internet of things sensors equipment batch caliberating device, including the multi-microprocessor comprising a main frame and some slaves, it is provided with each microprocessor as the first serial and second serial of data-interface, the data-interface for receiving calibration data is additionally provided with main frame；Each microprocessor is connected to same calibration data bus by first serial, connects a nominal data bus respectively by second serial, and the serial data output port of some TTL 5V level is provided with each nominal data bus.Output end of main mouthful is additionally provided with calibration data bus, two batch caliberating devices can be interconnected by respective output end of main mouthful.Apparatus of the present invention communication interface is more and supports that two kinds of different communication modes interfaces are simple simultaneously, simple operation, more than the number of single calibration sensor and can cascade realization extension, when high-volume is demarcated need not extra converter, effectively control cost.
Description
Technical field
The invention belongs to technical field of system control, more particularly to a kind of sensor apparatus that can be used for Internet of Things demarcate dress
Put.
Background technology
The Internet of things era, all things on earth is interconnected, it is necessary to the instrumentation devices such as substantial amounts of sensor.It is a large amount of as a rule to pass
All there is a contradiction, i.e. precision sensor price higher in sensor use can be more expensive, and increasing sharply for cost is unfavorable for
Large-scale application of the high-precision sensor in Internet of Things；And the relatively low sensor accuracy of price does not reach use requirement.
In order to reduce the holistic cost of Internet of Things, other low precision sensings can be demarcated using a high-precision sensor
The mode framework Internet of Things of device, make precision originally the sensor that can not meet requirement and the sensor being calibrated use cooperatively from
And certainty of measurement higher is obtained, while will not also dramatically increase cost.But transducer calibration equipment at present on the market is general
Calibration is separated all over sensor and display instrument, calibration accuracy is not high, and generally existing problems with：1. calibration is demarcated to adopt
Carried out with one-to-one mode, it is impossible to meet batch sensor and calibrate the demand demarcated simultaneously；2. carried out using existing calibration facility
Transducer calibration is typically necessary live artificial operation and completes, cumbersome；3. when existing sensor apparatus calibration facility works
It is separate individuality, it is impossible to realize cascade operation；4. mostly only a kind of communication of existing sensor apparatus calibration facility connects
Mouthful, it is impossible to the unmatched sensor of communication interface is demarcated, range of application is limited.
General standard signalling arrangement often uses serial ports on the market at present（Cluster communication port , COM,
COM）Port level have TTL（Transistor-Transistor Logic, transistor-transistor logic）
It is the com port of TTL 5V level that several classes such as 5V, RS485, RS232, wherein structure are the simplest and cost is minimum, and in the market is needed
Want this high-volume can demarcate the equipment with Transistor-Transistor Logic level communication interface simultaneously, and instrument batch marking apparatus arises at the historic moment.The mark
It is exactly to receive the signal in standard device bus out to determine the work that instrument mainly completes, then by the level conversion in bus
Data forwarding is gone out by multiple TTL serial ports, the equipment such as large batch of sensor of the demarcation with Transistor-Transistor Logic level serial ports are come with this.
But this marking apparatus with the market only with RS485 bus output interfaces sensor apparatus cannot level it is compatible so that
Staking-out work cannot be carried out；If being eager to excel and exercising interface pair is realized with the adapter that also can only turn Transistor-Transistor Logic level by using RS485
Connect, but this adapter is also man-to-man, it is impossible to and the multiple instrument of connection are worked simultaneously, and this is used when instrument batch is demarcated
Kind adapter is extremely inefficient and cost is very high.In addition to the above-mentioned equipment with Transistor-Transistor Logic level serial ports, in other standard signal equipment
All it is only to leave one or two EBIs, its level all can not be compatible with Transistor-Transistor Logic level, it is impossible to meets same using an equipment
When demarcate the technology of a large amount of sensors with Transistor-Transistor Logic level communication serial port and need.
In view of not enough present in current techniques, need at present a kind of suitable for Internet of Things, high-volume can mark simultaneously
Determine the sensor device caliberating device of sensor.
The content of the invention
A kind of technical problem that the present invention exists for the equipment for demarcating internet of things sensors in the prior art, there is provided thing
Networked sensor equipment batch caliberating device, the caliberating device is designed for Internet of Things feature, high-volume can be demarcated simultaneously
Sensor, with applicability is wide, simple operation and the features such as convenient extension.
In order to solve the above technical problems, a kind of internet of things sensors equipment batch that embodiments of the invention are provided demarcates dress
Put, including multi-microprocessor, the multiple microprocessor includes a main frame and some slaves, on each described microprocessor
It is provided with as the first serial and second serial of data-interface, is additionally provided with for receiving calibration data on the main frame
Data-interface；By for transmitting the calibration data bus interconnection of calibration data between the multiple microprocessor, described in each
Microprocessor is connected to the same calibration data bus by the first serial；Each described microprocessor is by described
Second serial connects a nominal data bus respectively, and some TTL 5V level are provided with each described nominal data bus
Serial data output port, is exported to sensor to be calibrated the nominal data by serial data output port each described
In equipment.
Preferably, the calibration data bus and nominal data bus are RS485 buses.
Preferably, the calibration data interface is RS485 EBIs.
Preferably, the sum of the slave is 3.
Preferably, the serial data output port for being set in each described nominal data bus is no more than 24.
As the preferred of preceding solution, output end of main mouthful, two institutes are additionally provided with the calibration data bus
Stating batch caliberating device can be interconnected by respective output end of main mouthful.
Internet of things sensors equipment batch caliberating device of the invention can be set two kinds of Transistor-Transistor Logic level serial ports and RS485 buses
The interface of form, can receive by RS485 buses and forward the calibration data that master meter is exported to multi-microprocessor, then
By distributing away the nominal data of acquisition by multichannel Transistor-Transistor Logic level serial ports after level conversion and data processing, come real with this
The purpose of high-volume serial ports sensor device is now demarcated simultaneously.
The technical scheme that various embodiments of the present invention are provided has the beneficial effect that：Communication interface is more and supports two kinds of differences simultaneously
Communication pattern；More than the number of single calibration sensor and realization extension can be cascaded, it is convenient that equipment room cooperates；In equipment
Interface is simple, simple operation；Carry out when sensor device high-volume is demarcated without extra converter, effectively control cost.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of internet of things sensors equipment batch caliberating device provided in an embodiment of the present invention.
［ main element symbol description ］
1- microprocessors；11- main frames；12- slaves；21- first serials；22- second serials；23- calibration data interfaces；31- schools
Quasi- data/address bus；32- nominal data buses；41- serial data output ports；42- output end of main mouthful；5- high-precision sensings
Device；Sensor device 6- to be calibrated；61- monitoring devices；62- coarse sensors.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention is directed to existing problem, there is provided a kind of internet of things sensors equipment batch caliberating device, can be simultaneously big
Batch calibration sensor, with applicability is wide, simple operation and the features such as convenient extension.
As shown in figure 1, a kind of internet of things sensors equipment batch caliberating device of the embodiment of the present invention includes four microprocessors
Device 1, as shown in figure 1, specially a piece of main frame 11 and three slaves 12, are provided with each microprocessor 1 and are connect as data
The first serial 21 and second serial 22 of mouth, are additionally provided with the calibration data interface 23 for receiving calibration data on main frame 11,
Interconnection is realized by for transmitting the calibration data bus 31 of calibration data between main frame 11 and slave 12, wherein：
Main frame 11 passes through the defeated of the degree of precision that first serial 21 thereon is asked under correspondence test environment to high-precision sensor 5
Go out data as calibration data, and the calibration data that will be collected carries out one-level forwarding by first serial 21 thereon, each
The microprocessor 1 is connected to the same calibration data bus 31 by the first serial 21, and calibration data is by main frame
11 are sent and are sent to three slaves 12 by calibration data bus 31；
As illustrated, each microprocessor 1 connects a nominal data bus 32 respectively by second serial 22, each demarcation
The serial data output port 41 of some TTL 5V level is provided with data/address bus 32, by each serial data output port
4 export to sensor device 6 to be calibrated nominal data.
Three slaves 12 receive the calibration data that main frame 11 sends by first serial 21, and after doing respective handling to data
Two grades of forwardings are carried out by the respective second serial 22 of slave 12 respectively, the calibration data of the degree of precision that main frame 11 is read turns
Being sent in sensor device 6 to be calibrated carries out transducer calibration.Between the serial ports and serial ports of each microprocessor 1, microprocessor
All pass through between device 1 and the standard signal source of calibration data, and between microprocessor 1 and sensor device 6 to be calibrated
Bus mode is connected.
Used as a kind of more preferably implementation method, calibration data bus 31 and nominal data bus 32 use RS485 buses,
Simultaneously to reduce data conversion, calibration data interface 23 also uses RS485 EBIs.
In the present embodiment, microprocessor 1 is used（Specific processor model please be supplement, why at most can only band with explanation
24 TTL serial ports）Chip, each micro- reason device 1 is by bus at most 24 Transistor-Transistor Logic level serial data output ports 41 of band, this hair
Bright device has a piece of main frame 11 and three slaves 12 amount to four microprocessors 1, therefore can at most be used for demarcating with 96 altogether
The serial data output port 41 of data, the i.e. present apparatus at most once can simultaneously demarcate 96 sensor devices.
As shown in figure 1, the present apparatus is defeated except being provided with a large amount of serial datas of outside output in nominal data bus 32
Outside exit port 41, output end of main mouthful 42 is provided also in calibration data bus 31, when sensor once simultaneously to be calibrated
Number of devices more than batch caliberating device maximum size when, only need to be defeated by bus by two batch caliberating devices
The docking of exit port 42 is capable of achieving extension, it is not necessary to carry out any setting, simple to operate, cascade side in itself to batch caliberating device
Just.Similarly can also realize the cascade extension of more table apparatus.In the present case, due to the TTL for having used single line duplexing
The method of level serial communication so that the distance of batch caliberating device data output is restricted, to make reliable communications stabilization TLL
The order wire cascade Connection not exceeded between a meter, but batch caliberating device most long of level serial data output is to pass through
What RS485 buses were realized, communication distance is up to a km.
A master meter with RS485 interfaces is needed during using the present apparatus as standard signal source output calibration letter
Number, usually high-precision sensor, the RS485 interfaces of standard signal source are connect with the calibration data of the RS485 interfaces of the present apparatus
Mouth 23 is docked, you can realize the distribution of calibration data.
The present apparatus externally only shows communication ends oral pore and power line, only need to by the data-out port of high-precision sensor and
The input port of sensor device to be calibrated inserts corresponding communication terminal, while by high-precision sensor and to be calibrated low
The sensor of precision is placed in identical test environment, and the staking-out work of line sensor is entered by switching on power, and uses simple operations
It is convenient.During demarcation, the calibration data of the output of high-precision sensor 5 passes through calibration data interface 23 by the master control of main frame in device 11
After chip is read, the data that main control chip will be read after treatment, respectively from two serial ports, i.e., go here and there by first serial 21 and second
Mouth 22 is sent in calibration data bus 31 and nominal data bus 32；Calibration data bus 31 will calibrate data forwarding to other
On slave 12, the nominal data bus 32 on another road will calibrate the nominal data that data processing obtains and send to sensing to be calibrated
The part of monitoring device 61 in device equipment 6, the calibration data that the main frame 11 that slave 12 will be received sends is processed as nominal data
It is further to external diffusion also by respective nominal data bus 32 afterwards, most at last nominal data be distributed to it is more to be calibrated
Sensor device 6 monitoring device 61 in；Monitoring device 61 can also receive it and carry while receiving nominal data
The data that coarse sensor 62 is collected, gauge internal remembers two groups of different data and stores simultaneously, with high-precision
The data for spending sensor 5 replace the data of coarse sensor 62, and batch is marked by realizing once gathering high accuracy data with this
Determine the purpose of sensor.
For above-mentioned embodiments of the invention, the general knowledge such as known concrete structure and characteristic is not made excessively to retouch in scheme
State；Implementation method is described by the way of progressive, and involved technical characteristic is not constituted among each other in each implementation method
Can be mutually combined on the premise of conflict.
In the description of the invention, unless otherwise clearly defined and limited, term " interconnection ", " connected ", " connection " is answered
It is interpreted broadly, can is two element internals for example, it may be being joined directly together, it is also possible to be indirectly connected to by intermediary
Connection.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Implication；Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as falling into protection scope of the present invention.
Claims (6)
1. a kind of internet of things sensors equipment batch caliberating device, including multi-microprocessor（1）, it is characterised in that：
The multiple microprocessor（1）Including a main frame（11）With some slaves（12）, each described microprocessor（1）It is upper equal
It is provided with as the first serial of data-interface（21）And second serial（22）, the main frame（11）On be additionally provided with for receiving
The calibration data interface of calibration data（23）；
The multiple microprocessor（1）Between by for transmitting the calibration data bus of calibration data（31）Interconnection, each institute
State microprocessor（1）Pass through the first serial（21）It is connected to the same calibration data bus（31）；
Each described microprocessor（1）By the second serial（22）A nominal data bus is connected respectively（32）, each
The nominal data bus（32）On be provided with the serial data output port of some TTL 5V level（41）, by described in each
Serial data output port（4）The nominal data is exported to sensor device to be calibrated（6）On.
2. batch caliberating device according to claim 1, it is characterised in that the calibration data bus（31）With demarcation number
According to bus（32）It is RS485 buses.
3. batch caliberating device according to claim 1, it is characterised in that the calibration data interface（23）It is RS485
EBI.
4. batch caliberating device according to claim 1, it is characterised in that the slave（12）Sum be 3.
5. batch caliberating device according to claim 1, it is characterised in that each described nominal data bus（32）On set
The serial data output port put（41）No more than 24.
6. the batch caliberating device according to any one of claim 1 to 5, it is characterised in that the calibration data bus
（31）On be additionally provided with output end of main mouthful（42）, two batch caliberating devices can be by respective output end of main mouthful
（42）Interconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256965.0A CN106895868A (en) | 2017-04-19 | 2017-04-19 | A kind of internet of things sensors equipment batch caliberating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256965.0A CN106895868A (en) | 2017-04-19 | 2017-04-19 | A kind of internet of things sensors equipment batch caliberating device |
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| CN106895868A true CN106895868A (en) | 2017-06-27 |
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ID=59196876
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| CN201710256965.0A Pending CN106895868A (en) | 2017-04-19 | 2017-04-19 | A kind of internet of things sensors equipment batch caliberating device |
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Cited By (4)
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| CN107314786A (en) * | 2017-08-31 | 2017-11-03 | 南京中科乾安智能科技有限公司 | Transducer calibration device systems and method |
| CN108507706A (en) * | 2018-05-18 | 2018-09-07 | 东南大学 | A kind of micro-nano thermocouple automation batch caliberating device |
| CN109613183A (en) * | 2019-01-03 | 2019-04-12 | 北京英视睿达科技有限公司 | Low accuracy monitoring device data revises method and system |
| CN113029223A (en) * | 2020-09-15 | 2021-06-25 | 山东华科信息技术有限公司 | Detection device for batch detection of sensors based on network communication |
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| CN108507706A (en) * | 2018-05-18 | 2018-09-07 | 东南大学 | A kind of micro-nano thermocouple automation batch caliberating device |
| CN108507706B (en) * | 2018-05-18 | 2020-06-16 | 东南大学 | Automatic batch calibration device for micro-nano thermocouples |
| CN109613183A (en) * | 2019-01-03 | 2019-04-12 | 北京英视睿达科技有限公司 | Low accuracy monitoring device data revises method and system |
| CN113029223A (en) * | 2020-09-15 | 2021-06-25 | 山东华科信息技术有限公司 | Detection device for batch detection of sensors based on network communication |
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Application publication date: 20170627 |