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CN104678809B - Generally applicable sensor control device and system - Google Patents

Generally applicable sensor control device and system Download PDF

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Publication number
CN104678809B
CN104678809B CN201510087427.4A CN201510087427A CN104678809B CN 104678809 B CN104678809 B CN 104678809B CN 201510087427 A CN201510087427 A CN 201510087427A CN 104678809 B CN104678809 B CN 104678809B
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data
data acquisition
module
sensor
master controller
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CN104678809A (en
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夏云
刘彤
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Individual
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention provides generally applicable sensor control device and system, receives the setting command of MCU transmissions using data bus interface and sends setting command to master controller;Master controller is configured according to setting command to the current state of data acquisition interface and data acquisition device;The data message of sensor transmission is received by the data acquisition interface after setting and sent to data acquisition device;The data message of reception is sent to data bus interface via master controller by the data acquisition device after setting, will pass through data bus interface by data information transfer to MCU.The present invention can be realized with each sensor by data acquisition device and interconnected, Protean personalized transmitter is set to become unification, reduce input cost, it is simple to operate, with the working mechanism as programmable logic controller (PLC), general, correct, the cheap design of sensor transducer is realized, all things on earth interconnection, quick application and market are promoted and played an important role.

Description

Generally applicable sensor control device and system
Technical field
The present invention relates to communication, electronics, data acquisition, Conditioning Circuits of Sensor etc., in particular to generally applicable sensing Device control device and system.
Background technology
With the fast development of information technology, Internet of Things has also obtained great popularization, and based on the thing of Internet of Things structure Networked platforms are also more and more used, the core of the platform of internet of things be then by sensor gathered data information, And by the data information transfer to database server, the information is then obtained from database server by controller terminal, And follow-up control is carried out according to the information.
However, in above-mentioned platform of internet of things, can not directly carry out data transmission between sensor and database server, this With regard to needing a conversion equipment to be changed as bridge among one to the data message type of transmission, after making conversion Data be the data type that can receive of database server, to ensure said two devices proper communication.It is above-mentioned in order to solve Problem, correlation technique provide a kind of programmable embedded information acquisition module, make the module as conversion equipment, respectively with Sensor connects with database server, so as to realize that the data between sensor and database server communicate;Wherein, it is each Individual embedded information acquisition module corresponds to specific sensor, or the corresponding spy of embedded information acquisition module of each type Determine the sensor of type.
Inventor has found under study for action, can only order one after the software solidification of the embedded information acquisition module of prior art Sensor, user's if desired multiple sensors in use, then also need to the embedded information gathering moulds of multiple adaptations Block, so that input cost is high, and it is cumbersome, versatility is poor.
The content of the invention
It is an object of the invention to provide generally applicable sensor control device and system, reduces input cost and operation letter It is single so that versatility is preferable.
In a first aspect, the embodiments of the invention provide a kind of generally applicable sensor control device, including:Master controller, number According to acquisition interface, data acquisition device and data bus interface;Data acquisition interface, data acquisition device and data/address bus Interface electrically connects with master controller;
Data bus interface has versatility, for being connected with micro-control unit MCU, receives the setting command that MCU is sent And setting command is sent to master controller;
Master controller is configured according to setting command to the current state of data acquisition interface and data acquisition device;
Data acquisition interface is used to electrically connect with sensor, after the current state of itself is provided with, receives sensor The data message of transmission simultaneously sends information to data acquisition device;
Data acquisition device, after current state is provided with, the information of reception is sent to master controller, and via master Controller is sent to data bus interface, will pass through data bus interface by data information transfer to MCU.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, should In generally applicable sensor control device, master controller includes parsing module and drive module;
Parsing module electrically connects with data bus interface, for being solved to the setting command that data bus interface is sent Analysis;
Drive module electrically connects with parsing module, for according to the setting command after parsing, setting the current shape of its own State simultaneously generates drive signal according to the current state.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect Possible embodiment, wherein, in the generally applicable sensor control device, data acquisition device includes switching matrix and agreement Group, protocol groups include serial communication modular;
Switching matrix electrically connects with drive module and protocol groups respectively, for the drive signal sent according to drive module, The protocol communication or sampling that selection matches with sensor from protocol groups.
With reference to second of possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect Possible embodiment, wherein, in the generally applicable sensor control device, data acquisition device also include measurement range selection module and Range module;
Measurement range selection module electrically connects with drive module and range module respectively, for the driving sent according to drive module Signal, selection and the range of sensor matching from range module.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, should In generally applicable sensor control device, data acquisition device also includes signal transacting DSP protocol stacks;
DSP protocol stacks are electrically connected with master controller, and the setting command generation DSP for being sent according to master controller, which is set, to be referred to Order.
With reference to the 4th kind of possible embodiment of first aspect, the embodiments of the invention provide the 5th of first aspect kind Possible embodiment, wherein, in the generally applicable sensor control device, data acquisition device also include accuracy selection module and Analog-digital converter ADC groups;
Accuracy selection module is electrically connected with DSP protocol stacks and ADC respectively, and the DSP for being sent according to DSP protocol stacks is set Instruction, the ADC for the precision that selection matches with sensor from ADC groups.
With reference to the 4th kind of possible embodiment of first aspect, the embodiments of the invention provide the 6th of first aspect kind Possible embodiment, wherein, in the generally applicable sensor control device, data acquisition device also includes a line number word modules;
One line number word modules electrically connect with DSP protocol stacks, and the DSP for being sent according to DSP protocol stacks sets instruction selection The pulse train to match with sensor agreement.
With reference to first aspect, first aspect the first possible embodiment and first aspect the 6th in it is possible Any one possible embodiment in embodiment, the embodiments of the invention provide the possible reality of the 7th of first aspect kind Mode is applied, wherein, in the generally applicable sensor control device, data acquisition device also includes shared buffer memory module;
Shared buffer memory module electrically connects with master controller, and for that will transmit data, setting command and master controller calculate Obtained intermediate result is stored and shared.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 8th of first aspect kind, wherein, should Generally applicable sensor control device also includes electrostatic protection module, Address Recognition module and power module;
Electrostatic protection module electrically connects with data bus interface and data acquisition interface respectively;
Address Recognition module electrically connects with master controller and electrostatic protection module respectively;
Power module electrically connects with data acquisition device and master controller respectively, for being powered for whole device.
Second aspect, the embodiment of the present invention additionally provide a kind of generally applicable sensory-control system, including:Above-mentioned first party The generally applicable sensor control device in face, in addition to sensor, server and control terminal;
Generally applicable sensor control device is connected with sensor and server respectively, receives the data message that sensor is sent And data message is sent to server;
Control terminal is connected with server, and data message is obtained from server, and according to data message to whole system It is controlled.
Generally applicable sensor control device provided in an embodiment of the present invention and system, using data bus interface, by this Data bus interface receives the setting command that MCU is sent and sends setting command to master controller;By master controller according to Setting command is configured to the current state of data acquisition interface and data acquisition device;Connect by the data acquisition after setting The data message of mouth reception sensor transmission simultaneously sends data message to data acquisition device;Pass through the data acquisition after setting Device sends the data message of reception to data bus interface via master controller, will pass through data bus interface by data Information transfer is to MCU, and embedded information acquisition module of the prior art, after its software solidification can only order one sensing Device, user's if desired multiple sensors in use, then the embedded information acquisition modules of multiple adaptations is also needed to, so as to So that input cost is high, and it is cumbersome, versatility is poor to be compared, and it can be real by data acquisition device and each sensor Now interconnect, reduce input cost and simple to operate so that versatility is preferable.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of structural representation for generally applicable sensor control device that the embodiment of the present invention is provided;
Fig. 2 shows a kind of principle schematic for generally applicable sensor control device that the embodiment of the present invention is provided;
Fig. 3 shows a kind of structural representation for generally applicable sensory-control system that the embodiment of the present invention is provided.
Primary symbols explanation:
11st, data bus interface;12nd, master controller;13rd, data acquisition interface;14th, data acquisition device;15th, electrostatic is prevented Protect module;16th, Address Recognition module;17th, power module;101st, parsing module;102nd, drive module;103rd, switching matrix, 104th, protocol groups;105th, measurement range selection module;106th, DSP protocol stacks;107th, accuracy selection module;108th, a line number word modules; 109th, shared buffer memory module;21st, terminal is controlled;22nd, server;23rd, generally applicable sensor control device;24th, sensor.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
At present, generally embedded information acquisition module is used to realize the data transfer between sensor and server.
But existing embedded information acquisition module has following problem:
1st, it is to match with single or single type sensor, and then realizes local information gathering, storage And it is separate between each acquisition module with display.
2nd, after the software solidification of existing embedded information acquisition module can only order one sensor, do not possess various biographies The all attachable universal interface standard of sensor, does not have versatility for Practical Project use.
3rd, the collection storage and display of local information can only be realized, each acquisition module is separate, does not possess information mould Unified collection, storage and the processing of block collection information.
4th, do not possess the function of plug and play, i.e., do not support hot plug, ease for use is not high.
5th, existing embedded information acquisition module can not carry out first firmware renewal according to the specific sensor of connection, Performance parameter not can configure, lack flexibility.
With reference to figure 1 and Fig. 2, the invention provides a kind of generally applicable (Programming of sensor control device 23 Sensor Controller, PSC), including:Master controller 12, data acquisition interface 13, data acquisition device 14 and data EBI 11;Data acquisition interface 13, data acquisition device 14 and data bus interface 11 are electrically connected with master controller 12 Connect;
Data bus interface 11, for being electrically connected with MCU (Micro Control Unit, micro-control unit), receive MCU The setting command of transmission simultaneously sends setting command to master controller 12;
Master controller 12 is carried out according to setting command to the current state of data acquisition interface 13 and data acquisition device 14 Set;
Data acquisition interface 13 is used to electrically connect with sensor, after current state is provided with, receives sensor and sends Data message and data message is sent to data acquisition device 14;
Data acquisition device 14, after current state is provided with, the data message of reception is sent to master controller 12, And sent via master controller 12 to data bus interface 11, will pass through data bus interface 11 by data information transfer extremely MCU。
Generally applicable sensor control device provided in an embodiment of the present invention, using data bus interface 11, pass through the data EBI 11 receives the setting command that MCU is sent and sends setting command to master controller 12;By master controller 12 The current state of data acquisition interface 13 and data acquisition device 14 is configured according to setting command;Pass through the data after setting Acquisition interface 13 receives the data message that sensor is sent and sends data message to data acquisition device 14;After setting Data acquisition device 14 data message of reception is sent to data bus interface 11 via master controller 12, will pass through number According to EBI 11 by data information transfer to MCU, and embedded information acquisition module of the prior art, in its software solidification Afterwards can only order one sensor, user's if desired multiple sensors in use, then also need to the insertion of multiple adaptations Formula information acquisition module, so that input cost is high, and it is cumbersome, versatility is poor to be compared, and it can be adopted by data Acquisition means 14 and each sensor, which are realized, to be interconnected, and reduces input cost and simple to operate so that versatility is preferable.
Specifically, the data bus interface 11 in the present embodiment has versatility, it can be such as I2C (Inter- Integrated Circuit, I2C bus), SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) and UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) etc..And MCU equally has same-interface extensively.Also, data message therein can be that analog signal can also be data signal.
Preferably using the FPGA of military project level, (Field-Programmable Gate Array, scene can in the present embodiment Programming gate array) chip as master controller 12, makes its control axis as PSC, for the shape to data acquisition device 14 State is configured, the state of data acquisition interface 13 is configured, the parsing of serial port command, inputoutput data buffer queue Area's control, drive load, switching matrix 103 control and with DSP protocol stacks 106 carry out data interaction, realize the fast of data Speed, high precision collecting, processing and forwarding (above-mentioned modules embodiment below is introduced).
In addition, data acquisition device 14 and data acquisition interface 13 all in accordance with master controller 12 setting command to itself Current state be configured, after the setup, data acquisition interface 13 receive sensor send collection data message, And the data message is sent to data acquisition device 14;Data acquisition device 14 is total by data by the data message received Line interface 11 is transmitted to MCU.
Specifically, multiple states that data acquisition device 14 includes in itself, can match from different sensors respectively, To realize the data transfer between sensor.
The PSC that the present embodiment provides, can be embedded into sensor, the setting life of the MCU module in sensor Order carries out current state setting, and the data acquisition information of sensor is sent into server, to realize sensor and service Data communication between device, and it is realized with each sensor by data acquisition device and interconnected, and makes Protean Personalized transmitter (i.e. programmable embedded information acquisition module) becomes unification, reduces input cost, simple to operate, With the working mechanism as programmable logic controller (PLC), general, correct, the cheap design of sensor transducer is realized, it is right All things on earth interconnection, quick application and market promote and played an important role.
Further, in the generally applicable sensor control device, master controller 12 includes parsing module 101 and drive module 102;
Parsing module 101 electrically connects with data bus interface 11, for the setting command sent to data bus interface 11 Parsed;
Drive module 102 electrically connects with parsing module 101, for according to the setting command after parsing, setting its own Current state simultaneously generates drive signal according to the current state.
Specifically, parsing module 101 receives and dispatches queue command parsing module 101, it is placed in inside master controller 12, the solution It can be that FPGA is realized with software to analyse module 101, can also be realized with by integrated circuit.
In addition, drive module 102, it mainly in the case of the voltage and/or underpower of equipment, is carried for the equipment Voltage supplied and/or power, to drive the equipment to work, and its function is based on, it sets it according to the setting command after parsing The current state of itself simultaneously generates drive signal according to the current state, is worked according to the drive signal driving equipment.
Also, the generally applicable sensor control device is additionally included in line drive module 102, the online drive module 102 with Drive module 102 electrically connects, for realizing the online updating of the drive module 102, so as to realize the data to particular sensor Collection.
Further, the generally applicable sensor control device, data acquisition device 14 include switching matrix 103 and protocol groups 104, protocol groups 104 include serial communication modular;Switching matrix 103 electrically connects with drive module 102 and protocol groups 104 respectively, For the drive signal sent according to drive module 102, the serial communication that selection matches with sensor from protocol groups 104.
Specifically, protocol groups 104 are PHY group 104, the PHY group 104 includes serial communication mould Block, technical grade asynchronous transmission standard interface RS-232, RS-485 serial ports and balance voltage digital that the serial communication modular includes The chips such as the electrical characteristic RS-422 of interface circuit, and the then communication protocol including said chip of PHY group 104 Stack.
Wherein, switching matrix 103 is the hardware configuration on back plate type interchanger, for being realized in the face of each circuit board The point-to-point connection of high speed.Each point-to-point that switching matrix 103 provides can be between slot connects while forwards data The mechanism of bag.Switching matrix 103 (network board) is also referred to as Crossbar chips, is a kind of to carry multiple superelevation rate interfaces Hardware chip, it is generally used for the high speed forward of data or the data forwarding of high-end switch cross-line card between data processing chip.
Specifically, protocol groups 104 coordinate high performance switching matrix 103 and corresponding auxiliary circuit, realize and outside Efficient stable data transfer.
In the present embodiment, the inside of protocol groups 104 is connected with plate level high-speed bus with the drive circuit in master controller 12, Transmission data stabilization is reliable, is realized by program control drive circuit and preferable matrix and is gone here and there in the RS-422 and RS-485 that includes of system The conversion of communication protocol including mouthful, it is not necessary to the manual intervention of accreditation.
Further, in the generally applicable sensor control device, data acquisition device 14 also includes measurement range selection module 105 With range module;
Measurement range selection module 105 electrically connects with drive module 102 and range module respectively, for according to drive module 102 The drive signal of transmission, selection and the range of sensor matching from range module.
Specifically, the various ranges being adapted to sensor are stored with range module.Measurement range selection module 105 is according to setting Order is pre-selected be easy to act as before need the range that uses, to subsequently to lay the first stone.
Further, in the generally applicable sensor control device, data acquisition device 14 also includes DSP (digital Signal processing, signal transacting) protocol stack;DSP protocol stacks 106 electrically connect with master controller 12, for according to master control The setting command generation DSP that device 12 processed is sent sets instruction.
Specifically, FPGA is used to be configured circuit drives and switching matrix 103, and some devices in control device Signal transacting protocol stack is needed specifically to be set and controlled, therefore DSP protocol stacks 106 are then to solve the problem.Purpose Being for guarantee makes whole data processing module be adapted to sensor.
Further, in the generally applicable sensor control device, data acquisition device 14 also includes accuracy selection module 107 With analog-digital converter ADC groups;Accuracy selection module 107 electrically connects with DSP protocol stacks 106 and ADC respectively, for being assisted according to DSP Discuss the DSP that stack 106 is sent and instruction is set, the ADC for the precision that selection matches with sensor from ADC groups.
Specifically, be previously stored with the ADC of a variety of different accuracies in ADC groups, and different ADC is being adapted to different biographies Sensor;, it is necessary to which accuracy selection module 107 selects ADC corresponding with setting command from ADC groups in real work.
Further, in the generally applicable sensor control device, data acquisition device 14 also includes a line number word modules 108;One line number word modules 108 electrically connect with DSP protocol stacks 106, and the DSP for being sent according to DSP protocol stacks 106 sets instruction The pulse train that selection matches with sensor agreement.
Further, in the generally applicable sensor control device, data acquisition device also includes shared buffer memory module 109; Shared buffer memory module 109 electrically connects with master controller, for data will to be transmitted, what setting command and master controller were calculated Intermediate result is stored and shared.
Further, the generally applicable sensor control device also includes electrostatic protection module 15, the and of Address Recognition module 16 Power module 17;Electrostatic protection module 15 electrically connects with data bus interface and data acquisition interface respectively;Address Recognition module 16 electrically connect with master controller and electrostatic protection module 15 respectively;Power module 17 respectively with data acquisition device and master controller Electrical connection, for being powered for whole device.
Specifically, hardware address of the Address Recognition module 16 as PSC, when corresponding to multiple PSC on MCU, it can lead to The Address Recognition module 16 is crossed many PSC are identified.The setting command and data acquisition device that master controller 12 is sent The data information sharing cache module 109 of 14 collections is possibly stored to the shared buffer memory module 109, and master controller 12 is right Intermediate data after the various calculating that data message is carried out equally is possibly stored in the shared buffer memory module 109, to distribute It is shared.And electrostatic protection module 15 is mainly connected with data bus interface 11, to protect the electrostatic of the data bus interface 11 Protection is with anti-interference, to make the device have stronger protection and antijamming capability.
In addition, electrically connected respectively with data acquisition device 14 and master controller 12 by power module 17, for be whole Device is powered.
Specifically, generally applicable sensor control device provided by the invention, its data acquisition device, is mainly used high-precision Degree, the A/D data acquisition devices of mature and reliable, and coordinate programmable drive module 102 and switching matrix 103, and other Relief cable the core of the card piece and element, realize the general letter of single-ended, both-end analog voltage signal, analog circuit signal and data signal Acquisition interface is ceased, coordinates self-learning function, can be achieved to match the automatic range of external sensor, realize that height is intelligent, even The collection of such as temperature, humidity, intensity of illumination, pressure physical signalling can be achieved in the sensor for connecing corresponding interface.Pass through driving Module 102 and switching matrix 103 can realize the on-line system to analog voltage signal, analog current signal and digital signal acquiring Selection, without manual intervention.
The above-mentioned generally applicable sensor control device that the present invention also provides, in addition to bottom plate;The base plate interior is provided with string Row bus, USB is set on bottom plate, universal serial bus electrically connects with serial bus interface, and is connect by universal serial bus Mouth is connected with data bus interface;
Base plate interior integrates TCP/IP network protocol stacks, is additionally provided with network interface on bottom plate, network interface passes through TCP/ IP network protocol stack connects internet;Slot is additionally provided with bottom plate, data bus interface is connected by slot with bottom plate.
Generally applicable sensor control device provided in an embodiment of the present invention, with the poor phase of equipment interoperability of the prior art Than it can be realized by data acquisition device and each sensor and interconnected, and reduce input cost and simple to operate so that logical It is preferable with property.
With reference to figure 3, present invention also offers a kind of generally applicable sensory-control system, including:Above-mentioned generally applicable sensor Control device 23, in addition to sensor 24, server 22 and control terminal 21;
Generally applicable sensor control device 23 is connected with sensor 24 and server 22 respectively, receives what sensor 24 was sent Data message simultaneously sends data message to server 22;
Control terminal 21 is connected with server 22, and data message is obtained from server 22, and according to data message to whole Individual system is controlled.
Generally applicable sensor control device provided in an embodiment of the present invention, using data bus interface 11, pass through the data The setting command of the reception server of EBI 11 transmission simultaneously sends setting command to master controller 12;Pass through master controller 12 The current state of data acquisition interface 13 and data acquisition device 14 is configured according to setting command;Pass through the number after setting The data message of sensor transmission is received according to acquisition interface 13 and sends data message to data acquisition device 14;Pass through setting Data acquisition device 14 afterwards sends the data message of reception to data bus interface 11 via master controller 12, will pass through Data bus interface 11 is soft at its with embedded information acquisition module of the prior art by data information transfer to server After part solidification can only order one sensor, user's if desired multiple sensors in use, then also need to multiple adaptations Embedded information acquisition module so that input cost is high, and cumbersome, versatility is poor to be compared, and it can pass through Data acquisition device 14 and each sensor, which are realized, to be interconnected, and reduces input cost and simple to operate so that versatility is preferable.
Specifically, the generally applicable sensor control device small volume, its can be embedded in sensor it is medium enter row information adopt Collection, and realize that data communicate with server, but server and control terminal would know that the information of sensor collection.It is logical Cross data acquisition device to interconnect with the realization of each sensor, make Protean personalized transmitter (i.e. programmable embedding Enter formula information acquisition module) become unification, input cost is reduced, it is simple to operate, have as programmable logic controller (PLC) one The working mechanism of sample, general, correct, the cheap design of sensor transducer is realized, all things on earth interconnection, quick application and market are pushed away It is dynamic to play an important role.
The control system of generally applicable sensor 24 provided in an embodiment of the present invention, versatility is poor to be compared, and it can pass through number Realize and interconnect according to harvester and each sensor 24, reduce input cost and simple to operate so that versatility is preferable.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (8)

  1. A kind of 1. generally applicable sensor control device, it is characterised in that including:Master controller, data acquisition interface, data acquisition Device and data bus interface;The data acquisition interface, the data acquisition device and the data bus interface are equal Electrically connected with the master controller;
    The data bus interface has versatility, for being connected with micro-control unit MCU, receives the setting command that MCU is sent And the setting command is sent to the master controller;
    The master controller is according to the setting command to the data acquisition interface and the current shape of the data acquisition device State is configured;
    The data acquisition interface is used to electrically connect with sensor, after the current state of itself is provided with, receives the biography The data message of sensor transmission simultaneously sends described information to the data acquisition device;
    The data acquisition device, after current state is provided with, the described information of reception is sent to the master controller, And sent via the master controller to the data bus interface, the data are believed with will pass through the data bus interface Breath is transmitted to the MCU;
    The master controller includes parsing module and drive module;The parsing module electrically connects with the data bus interface, The setting command for being sent to the data bus interface parses;The drive module and parsing module electricity Connection, for according to the setting command after parsing, setting the current state of its own and generating driving letter according to the current state Number;
    The data acquisition device includes switching matrix and protocol groups, and the protocol groups include serial communication modular;The exchange Matrix electrically connects with the drive module and the protocol groups respectively, for the drive signal sent according to the drive module, The protocol communication or sampling that selection matches with the sensor from the protocol groups.
  2. 2. generally applicable sensor control device according to claim 1, it is characterised in that the data acquisition device also wraps Include measurement range selection module and range module;
    The measurement range selection module electrically connects with the drive module and the range module respectively, for according to the driving mould The drive signal that block is sent, selection and the range of the sensor matching from the range module.
  3. 3. generally applicable sensor control device according to claim 1, it is characterised in that the data acquisition device also wraps Include signal transacting DSP protocol stacks;
    The DSP protocol stacks electrically connect with the master controller, for the setting command generation sent according to the master controller DSP sets instruction.
  4. 4. generally applicable sensor control device according to claim 3, it is characterised in that the data acquisition device also wraps Include accuracy selection module and analog-digital converter ADC groups;
    The accuracy selection module electrically connects with the DSP protocol stacks and the ADC respectively, for according to the DSP protocol stacks The DSP of transmission sets instruction, the ADC for the precision that selection matches with the sensor from the ADC groups.
  5. 5. generally applicable sensor control device according to claim 3, it is characterised in that the data acquisition device also wraps Include a line number word modules;
    The one line number word modules are electrically connected with the DSP protocol stacks, and the DSP for being sent according to the DSP protocol stacks is set The pulse train that instruction selection matches with the sensor agreement.
  6. 6. according to the generally applicable sensor control device described in claim 1-5 any one, it is characterised in that the data are adopted Acquisition means also include shared buffer memory module;
    The shared buffer memory module electrically connects with the master controller, for that will transmit data, setting command and the master control The intermediate result that device processed is calculated is stored and shared.
  7. 7. generally applicable sensor control device according to claim 1, it is characterised in that also including electrostatic protection module, Address Recognition module and power module;
    The electrostatic protection module electrically connects with the data bus interface and the data acquisition interface respectively;
    The Address Recognition module electrically connects with the master controller and the electrostatic protection module respectively;
    The power module electrically connects with data acquisition device and master controller respectively, for being powered for whole device.
  8. A kind of 8. generally applicable sensory-control system, it is characterised in that including:As described in claim 1-7 any one can General purpose transducer control device, in addition to sensor, server and control terminal;
    The generally applicable sensor control device is connected with the sensor and the server respectively, receives the sensor hair The data message that send simultaneously sends the data message to the server;
    The control terminal is connected with the server, and the data message is obtained from the server, and according to the number It is believed that breath is controlled to whole system.
CN201510087427.4A 2015-02-25 2015-02-25 Generally applicable sensor control device and system Expired - Fee Related CN104678809B (en)

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