CN103558829B - A kind of can the signal regulating device of management logic passage and method automatically - Google Patents
A kind of can the signal regulating device of management logic passage and method automatically Download PDFInfo
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Abstract
The invention discloses a kind of can the signal regulating device of management logic passage and method automatically.The present invention has following beneficial effect: adopt hierarchical design, and every interlayer adopts general-purpose interface, is convenient to modular design and Function Extension; Use universal serial bus as the external control interface of this device, simple general-purpose; Signal backplane, from provided with processor, can manage all conditioning passages be connected on signal backplane concentratedly, automatically be logical signal configures physical address in application program and corrected parameter etc., the programming efficiency of raising application software; General carrier plate preserves type, the information such as coefficient and corrected parameter of signal condition passage in plate, easy to use and precision is high; Support on-line tuning conditioning coefficient.
Description
Technical field
The invention belongs to automatic measuring and controlling technical field, be specifically related to a kind of can the signal regulating device of management logic passage and method automatically.
Background technology
Owing to having, performance is high, extendability is strong, the development time is few for virtual instrument technique, and this four large advantage of outstanding integration, is widely used in automatic measuring and controlling system.The core concept of virtual instrument is " namely software be instrument ", and namely set up on the hardware platform taking computing machine as core and have virtual panel, test function is by User Defined, a kind of computer apparatus system of being realized by testing software.During a structure virtual instrument system, after basic hardware is determined, function that just can be different by different software simulating.The software of virtual instrument system is mainly divided into 4 layers: system management layer, measurement and control program layer, instrument driving layer and physical channel interface layer.A good automatic measuring and controlling system not only should possess superperformance and high reliability, the upper language interface that should also provide high performance driver He be simple and easy to, and makes user can set up reliable application system more quickly.The tool platform of development of virtual instrument software popular is at present as LabVIEW, VEE etc., graphical programming language is utilized to be do not have the engineering technical personnel of programming experience to provide desirable programming environment, but how the physical channel interface of the logical signal in application program and hardware is set up and contact, can only manually configure, efficiency is lower and safeguard also inconvenient.
Summary of the invention
In order to overcome the defect existed in prior art, the invention provides a kind of can the signal regulating device of management logic passage and method automatically, automatically can manage the physical address of logical channel and parameter, the logical signal in application program is easily connected with the physical channel interface of hardware.Concrete technical scheme is as follows:
Can the signal regulating device of management logic passage automatically, comprise a signal backplane, signal backplane is connected with at least one piece of general carrier plate;
Signal backplane comprises backboard master controller, external bus driver, internal bus driver and some support plate interfaces; Backboard master controller is connected with external bus driver and internal bus driver respectively, and backboard master controller selects bus to be connected with each support plate interface respectively by sheet; Internal bus driver is connected with each support plate interface respectively, and internal bus driver is for realizing the communication between backboard master controller and support plate interface; External bus driver is for realizing the communication between backboard master controller and external control devices; Support plate interface is used for connection universal support plate, and each support plate interface correspondence connects one piece of general carrier plate;
General carrier plate comprises support plate master controller, management interface, support plate bus driver, Signal-regulated kinase, signal output interface and signaling interface; Management interface is used for connecting with corresponding support plate interface; Support plate master controller is connected with support plate bus driver and Signal-regulated kinase respectively, and support plate bus driver is for realizing the communication between support plate master controller and support plate interface; Signaling interface is connected with Signal-regulated kinase, and signaling interface is used for access and treats conditioned signal, and this is treated that conditioned signal transfers to Signal-regulated kinase; Signal-regulated kinase is connected with signal output interface, and Signal-regulated kinase is used for treating conditioned signal according to the instruction from support plate master controller and nurses one's health, and signal output interface is for exporting the signal after conditioning.
As prioritization scheme, signal backplane also comprises electric source filter circuit; Electric source filter circuit for accessing external power source, and is powered to each support plate interface.
As prioritization scheme, the model of backboard master controller and support plate master controller is PIC18F45K22.
As prioritization scheme, the model of external bus driver, internal bus driver and support plate bus driver is MAX485ESA.
As prioritization scheme, Signal-regulated kinase comprises the adjustable chip supporting SPI interface.
As prioritization scheme, electric source filter circuit comprises three groups of filtering circuits, often organizes filtering circuit and comprises chip fuse, common mode choke and LC wave filter.
Can the signal condition method of management logic passage automatically, comprise the steps:
Step S1, backboard master controller is utilized to select bus to gather the channel information of the general carrier plate that each support plate interface loads by internal bus driver and sheet, and unify configuration logic address and bound path parameter according to channel information, then channel parameters is sent to external control devices by external bus driver; Wherein, the channel information of general carrier plate is stored in support plate master controller;
Step S2, utilizes the reception of external bus driver from the parameter adjustment instruction of external control devices, and parameter adjustment instruction is sent to backboard master controller;
Step S3, utilizes backboard master controller to analyze parameter adjustment instruction, process, and selects bus to send a control signal to the support plate interface of correspondence according to analysis result by internal bus driver and sheet;
Step S4, utilizes management interface reception control signal, and control signal is transferred to support plate master controller by support plate bus driver;
Step S5, utilizes signaling interface to receive and treats conditioned signal, and will treat that conditioned signal transfers to Signal-regulated kinase; Utilize support plate master controller to resolve control signal, and according to analysis result control signal conditioning module, conditioning coefficient is adjusted; Signal-regulated kinase is treated conditioned signal and is nursed one's health;
Step S6, utilizes signal output interface to be exported by the signal after conditioning.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention adopts hierarchical design, and every interlayer adopts general-purpose interface, is convenient to modular design and Function Extension;
(2) the present invention uses universal serial bus as the external control interface of this device, simple general-purpose;
(3) signal backplane of the present invention is from provided with processor, can manage all conditioning passages be connected on signal backplane concentratedly, automatically be logical signal configures physical address in application program and corrected parameter etc., the programming efficiency of raising application software;
(4) general carrier plate of the present invention preserves type, the information such as coefficient and corrected parameter of signal condition passage in plate, easy to use and precision is high;
(5) the present invention supports that on-line tuning nurses one's health coefficient.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of signal regulating device of the present invention;
Fig. 2 is the circuit theory diagrams of backboard master controller;
Fig. 3 is the circuit theory diagrams of external bus driver;
Fig. 4 is the circuit theory diagrams of internal bus driver;
Fig. 5 is the circuit theory diagrams of support plate interface;
Fig. 6 is the circuit theory diagrams of electric source filter circuit;
Fig. 7 is the circuit theory diagrams of support plate master controller;
Fig. 8 is the circuit theory diagrams of support plate bus driver;
Fig. 9 is the circuit theory diagrams of management interface and signaling interface;
Figure 10 is the circuit theory diagrams of Signal-regulated kinase;
Figure 11 is the circuit theory diagrams of signal output interface;
Figure 12 is the general flow chart of signal condition method of the present invention.
In upper figure, sequence number is: 1-signal backplane, 101-electric source filter circuit, 102-external bus driver, 103-backboard master controller, 104-internal bus driver, 105-support plate interface, 2-general carrier plate, 201-management interface, 202-support plate bus driver, 203-support plate master controller, 204-Signal-regulated kinase, 205-signal output interface, 206-signaling interface.
Embodiment
The present invention is described in detail by way of example below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of can the signal regulating device of management logic passage automatically, comprise a signal backplane 1, signal backplane 1 is connected with at least one piece of general carrier plate 2.
Signal backplane 1 comprises backboard master controller 103, external bus driver 102, internal bus driver 104 and six support plate interfaces 105; Wherein, each support plate interface 105 can connect one piece of general carrier plate 2, and the quantity of support plate interface 105 is only citing herein, can according to circumstances adjust.Backboard master controller 103 is connected with external bus driver 102 and internal bus driver 104 respectively, and backboard master controller 103 selects bus to be connected with each support plate interface 105 respectively by sheet.Internal bus driver 104 is connected with each support plate interface 105 respectively, and internal bus driver 104 is for realizing the communication between backboard master controller 103 and support plate interface 105.External bus driver 102 is for realizing the communication between backboard master controller 103 and external control devices.Support plate interface 105 is for connection universal support plate 2, and each support plate interface 105 correspondence connects one piece of general carrier plate 2.
General carrier plate 2 comprises support plate master controller 203, management interface 201, support plate bus driver 202, Signal-regulated kinase 204, signal output interface 205 and signaling interface 206.Management interface 201 is for connecting with corresponding support plate interface 105.Support plate master controller 203 is connected with support plate bus driver 202 and Signal-regulated kinase 204 respectively, and support plate bus driver 202 is for realizing the communication between support plate master controller 203 and support plate interface 105.Signaling interface 206 is connected with Signal-regulated kinase 204, and signaling interface 206 treats conditioned signal for access, and this is treated conditioned signal transfers to Signal-regulated kinase 204.Signal-regulated kinase 204 is connected with signal output interface 205, Signal-regulated kinase 204 is for nursing one's health coefficient according to the instruction adjustment from support plate master controller 203, and treat conditioned signal and nurse one's health, signal output interface 205 is for exporting the signal after conditioning.
In the present embodiment, signal backplane 1 also comprises electric source filter circuit 101; Electric source filter circuit 101 for accessing external power source, and is powered to each support plate interface 105.And general carrier plate 2 is also powered by electric source filter circuit 101 by corresponding support plate interface 105.
As shown in Figure 2, in the present embodiment, backboard master controller 103 adopts the PIC18F45K22 of Microchip company.Two enhanced general synchronous/asynchronous transceiver modules support RS485 consensus standards that backboard master controller 103 is inner integrated, carry out data and instruction transmission with external control devices and general carrier plate 2 respectively.6 pairs of IO pins (CS1 ~ CS6, SS1 ~ SS6) in backboard master controller 103 are designed to sheet and select bus, and often pair of corresponding support plate interface 105 of IO pin, carries out data communication for coordinating the specific general carrier plate 2 of RS485 bus selection.TX1, RX1 and RE1 tri-pins of backboard master controller 103 are used for being connected with external bus driver 102, realize communication; TX2, RX2 and RE2 tri-pins of backboard master controller 103 are used for being connected with internal bus driver 104, realize communication.
As shown in Figure 3, in the present embodiment, external bus driver 102 adopts the MAX485ESA of MAXIM company, and the serial data sent or receive can be converted to RS485 fiduciary level by this chip, mates with backboard master controller 103.Pin A1 with B1 of external bus driver 102 is connected external control devices, realizes the communication with external control devices.
As shown in Figure 4, in the present embodiment, internal bus driver 104 also adopts the MAX485ESA of MAXIM company, mates with backboard master controller 103.Pin A2 with B2 of internal bus driver 104 is connected support plate interface 105, realizes the Signal transmissions with support plate interface 105.
As shown in Figure 5, in the present embodiment, support plate interface 105 adopts the 15th ~ 24th group of pin met in the connector of A type 110 core of IEC61076-4-101 standard, wherein pin e15 with e17 is used for being connected with backboard master controller 103, and pin e18 with e19 is used for being connected with internal bus driver 104.
As shown in Figure 6, in the present embodiment, electric source filter circuit 101 comprises three groups of filtering circuits, often organizes filtering circuit and comprises chip fuse, common mode choke and LC wave filter.Wherein, components and parts F1 ~ F3 is 2A chip fuse, the LC wave filter NFE31PT222Z1E9 of components and parts Z1 ~ Z3 to be the common mode choke PLT09HN2003R0P1 of muRata company, components and parts Z4 ~ Z6 be muRata company.Three groups of filtering circuits respectively to input ± 12V and+5V power supply provide overcurrent protection and squelch.
As shown in Figure 7, in the present embodiment, support plate master controller 203 also uses the PIC18F45K22 of Microchip company, and the EEPROM of flash and 256B of inner integrated 32KB, this EEPROM are for preserving channel parameters information.The inner integrated main synchronous serial interface module work of support plate master controller 203, in spi bus pattern, for the conditioned circuit in control signal conditioning module 204, thus realizes the function of on-line tuning conditioning coefficient.RX, TX and DE pin of support plate master controller 203 is connected with support plate bus driver 202 respectively, realizes the communication with support plate bus driver 202.
As shown in Figure 8, in the present embodiment, support plate bus driver 202 also adopts the MAX485ESA of MAXIM company, mates with support plate master controller 203.Pin A, B and CS connection management interface 201 of support plate bus driver 202, realizes the Signal transmissions with management interface 201.
As shown in Figure 9, in the present embodiment, management interface 201 and signaling interface 206 adopt the same connector meeting A type 110 core of IEC61076-4-101 standard, and management interface 201 uses the 15th ~ 24th group of pin, and signaling interface 206 uses the 1st ~ 8th group of pin.Wherein, the pin e15 of management interface 201 is used for being connected with the pin e15 of support plate interface 105, realizes the connection of signal backplane 1 and general carrier plate 2; Pin e17 ~ the e19 of management interface 201 is used for being connected with support plate bus driver 202.Signaling interface 206 is provided with three groups of signal input pins (IN1_1 ~ IN1_8, IN2_1 ~ IN2_8, IN3_1 ~ IN3_8), and these three groups of signal input pins are used for reception and treat conditioned signal.
As shown in Figure 10, in the present embodiment, Signal-regulated kinase 204 comprises the adjustable chip supporting SPI interface.Signal-regulated kinase 204 comprises three groups of removable functional circuits, and for the isolation conditioning functions of settling signal, the conditioning for unlike signal needs to change different functional circuits.SPI interface comprises SPIDI, SPIDO and SPICLK tri-pins, and these three pins are all connected with support plate master controller 203, can realize the on-line tuning of channel parameters.Three groups of functional circuits connect with three groups of signal input pins (IN1_1 ~ IN1_8, IN2_1 ~ IN2_8, IN3_1 ~ IN3_8) correspondence of signaling interface 206 respectively.Often organize functional circuit and be equipped with one group of signal output pin (OUT1_1 ~ OUT1_8, OUT2_1 ~ OUT2_8, OUT3_1 ~ OUT3_8), for the signal after conditioning is sent to signal output interface 205.
As shown in figure 11, in the present embodiment, signal output interface 205 adopts standard D flip 37 core connector, for the signal after conditioning is outputted to corresponding hardware device.
As shown in figure 12, a kind of can the signal condition method of management logic passage automatically, comprise the steps:
Step S1, backboard master controller 103 is utilized to select bus to gather the channel information of the general carrier plate 2 that each support plate interface 105 loads by internal bus driver 104 and sheet, and unify configuration logic address and bound path parameter according to channel information, then channel parameters is sent to external control devices by external bus driver 102; Wherein, the channel information of general carrier plate 2 is stored in support plate master controller 203.
This step can regard conditioned signal as before initialization step, first backboard master controller 103 can select bus to send an information inquiry instruction to the support plate interface 105 of specifying successively by internal bus driver 104 and sheet, support plate master controller 203 receives after this information inquiry instruction through management interface 201 and bus driver 202, return announcement channel information immediately, channel information comprises type, the information such as coefficient and corrected parameter of the inner all conditioning passages of general carrier plate 2.After the channel information in all general carrier plates 2 collected by backboard master controller 103, configuration logic address unified to whole passage and set channel parameters, and then packaged channel parameters is issued to outside receiving equipment by external bus driver 102, so far initialization procedure terminates.
Step S2, utilizes external bus driver 102 to receive parameter adjustment instruction from external control devices, and parameter adjustment instruction is sent to backboard master controller 103.
The channel parameters of step S1 dorsulum master controller 103 setting needs just can be adjusted in corresponding passage by instruction, and in this step, namely the parameter adjustment instruction of external control devices is for this object.
Step S3, utilizes the 103 pairs of parameter adjustment instructions of backboard master controller to analyze, process, and selects bus to send a control signal to the support plate interface 105 of correspondence according to analysis result by internal bus driver 104 and sheet.
Step S4, utilizes management interface 201 reception control signal, and control signal is transferred to support plate master controller 203 by support plate bus driver 202.
Step S5, utilizes signaling interface 206 to receive and treats conditioned signal, and will treat that conditioned signal transfers to Signal-regulated kinase 204; Utilize support plate master controller 203 pairs of control signals to resolve, and according to analysis result control signal conditioning module 204, conditioning coefficient is adjusted; Signal-regulated kinase 204 is treated conditioned signal and is nursed one's health.
Step S6, utilizes signal output interface 205 to be exported by the signal after conditioning.
A specific embodiment of the application being only above, but the not limited thereto the changes that any person skilled in the art can think of of the application, all should drop in the protection domain of the application.
Claims (7)
1. one kind can the signal regulating device of management logic passage automatically, comprise a signal backplane (1), described signal backplane (1) is connected with at least one piece of general carrier plate (2), described signal backplane (1) comprises backboard master controller (103), described general carrier plate (2) comprises Signal-regulated kinase (204), it is characterized in that:
Described signal backplane (1) also comprises external bus driver (102), internal bus driver (104) and some support plate interfaces (105); Described backboard master controller (103) is connected with described external bus driver (102) and described internal bus driver (104) respectively, and described backboard master controller (103) selects bus to be connected with each support plate interface (105) respectively by sheet; Described internal bus driver (104) is connected with each support plate interface (105) respectively, and described internal bus driver (104) is for realizing the communication between described backboard master controller (103) and described support plate interface (105); Described external bus driver (102) is for realizing the communication between described backboard master controller (103) and external control devices; Described support plate interface (105) is for connecting described general carrier plate (2), and each support plate interface (105) correspondence connects one piece of general carrier plate (2);
Described general carrier plate (2) also comprises support plate master controller (203), management interface (201), support plate bus driver (202), signal output interface (205) and signaling interface (206); Described management interface (201) is for connecting with corresponding support plate interface (105); Described support plate master controller (203) is connected with described support plate bus driver (202) and described Signal-regulated kinase (204) respectively, and described support plate bus driver (202) is for realizing the communication between described support plate master controller (203) and described support plate interface (105); Described signaling interface (206) is connected with described Signal-regulated kinase (204), described signaling interface (206) treats conditioned signal for access, and this is treated conditioned signal transfers to described Signal-regulated kinase (204); Described Signal-regulated kinase (204) is connected with described signal output interface (205), to described, described Signal-regulated kinase (204) is for treating that conditioned signal is nursed one's health according to the instruction from described support plate master controller (203), described signal output interface (205) is for exporting the signal after conditioning.
2. according to claim 1 a kind of can the signal regulating device of management logic passage automatically, it is characterized in that, described signal backplane (1) also comprises electric source filter circuit (101); Described electric source filter circuit (101) for accessing external power source, and is powered to each support plate interface (105).
3. according to claim 1 and 2 a kind of can the signal regulating device of management logic passage automatically, it is characterized in that, the model of described backboard master controller (103) and described support plate master controller (203) is PIC18F45K22.
4. according to claim 3 a kind of can the signal regulating device of management logic passage automatically, it is characterized in that, the model of described external bus driver (102), described internal bus driver (104) and described support plate bus driver (202) is MAX485ESA.
5. according to claim 3 a kind of can the signal regulating device of management logic passage automatically, it is characterized in that, described Signal-regulated kinase (204) comprises the adjustable chip supporting SPI interface.
6. according to claim 2 a kind of can the signal regulating device of management logic passage automatically, it is characterized in that, described electric source filter circuit (101) comprises three groups of filtering circuits, often organizes filtering circuit and comprises chip fuse, common mode choke and LC wave filter.
7. can the signal condition method of management logic passage automatically, it is characterized in that, comprise the steps:
Step S1, backboard master controller (103) is utilized to select bus to gather the channel information of the upper general carrier plate (2) loaded of each support plate interface (105) by internal bus driver (104) and sheet, and unify configuration logic address and bound path parameter according to channel information, then channel parameters is sent to external control devices by external bus driver (102); Wherein, the channel information of general carrier plate (2) is stored in support plate master controller (203);
Step S2, utilizes the reception of described external bus driver (102) from the parameter adjustment instruction of external control devices, and described parameter adjustment instruction is sent to described backboard master controller (103);
Step S3, utilize described backboard master controller (103) to analyze described parameter adjustment instruction, process, and select bus to send a control signal to the support plate interface (105) of correspondence according to analysis result by described internal bus driver (104) and sheet;
Step S4, utilizes management interface (201) to receive described control signal, and described control signal is transferred to described support plate master controller (203) by support plate bus driver (202);
Step S5, utilizes signaling interface (206) to receive and treats conditioned signal, and treat that conditioned signal transfers to Signal-regulated kinase (204) by described; Utilize described support plate master controller (203) to resolve described control signal, and according to analysis result control described Signal-regulated kinase (204) to conditioning coefficient adjust; To described, described Signal-regulated kinase (204) treats that conditioned signal is nursed one's health;
Step S6, utilizes signal output interface (205) to be exported by the signal after conditioning.
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| CN201310554521.7A CN103558829B (en) | 2013-11-11 | 2013-11-11 | A kind of can the signal regulating device of management logic passage and method automatically |
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| CN104107051B (en) * | 2014-07-31 | 2017-01-11 | 中国科学院自动化研究所 | Portable multiple brain region blood oxygen detection and real-time display system |
| CN108874295B (en) * | 2018-05-17 | 2021-01-08 | 郑州意昂新能源汽车科技有限公司 | Intelligent integrated signal conditioning system |
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| US4363090A (en) * | 1980-08-01 | 1982-12-07 | Pellerin Milnor Corporation | Process control method and apparatus |
| EP0895145A1 (en) * | 1997-08-01 | 1999-02-03 | Hewlett-Packard Company | Process control device |
| CN1700125A (en) * | 2004-05-05 | 2005-11-23 | Vega格里沙贝两合公司 | Method for automatic configuration of a process control system and corresponding process control system |
| CN102799114A (en) * | 2012-08-23 | 2012-11-28 | 北京经纬恒润科技有限公司 | Signal conditioning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4363090A (en) * | 1980-08-01 | 1982-12-07 | Pellerin Milnor Corporation | Process control method and apparatus |
| EP0895145A1 (en) * | 1997-08-01 | 1999-02-03 | Hewlett-Packard Company | Process control device |
| CN1700125A (en) * | 2004-05-05 | 2005-11-23 | Vega格里沙贝两合公司 | Method for automatic configuration of a process control system and corresponding process control system |
| CN102799114A (en) * | 2012-08-23 | 2012-11-28 | 北京经纬恒润科技有限公司 | Signal conditioning equipment |
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