CN109471390A - Analog signal transmission method, apparatus and microcontroller - Google Patents
Analog signal transmission method, apparatus and microcontroller Download PDFInfo
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- CN109471390A CN109471390A CN201811330264.8A CN201811330264A CN109471390A CN 109471390 A CN109471390 A CN 109471390A CN 201811330264 A CN201811330264 A CN 201811330264A CN 109471390 A CN109471390 A CN 109471390A
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- 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
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- 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
- G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
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- Automation & Control Theory (AREA)
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Abstract
The present invention provides a kind of analog signal transmission method, apparatus and microcontroller, the analog signal transmission method includes: to obtain analog signal to be transmitted from the internal controller of analog signal to be sent, and the analog signal to be transmitted is analyzed, obtain analog quantity information corresponding to the analog signal to be transmitted；According to the analog quantity information, transmission information signal corresponding with the analog quantity information is generated by preset transformation algorithm；Electrical isolation is carried out to the transmission information signal, and the transmission information signal Jing Guo electrical isolation is sent to the internal controller of analog signal to be received, analog signal is obtained so that the internal controller parses the transmission information signal by default analytical algorithm.Analog signal transmission method of the invention, can reduce the cost of transmission analog quantity, and improve the working efficiency of digital power.
Description
Technical field
The present invention relates to digital power fields, in particular to a kind of analog signal transmission method, apparatus, microcontroller
Device and computer storage medium.
Background technique
In digital power system, it is frequently necessary to carry out the shared of analog quantity information, this information between each controller
It is shared to be completed by the communication technology between controller.
But the communication between existing controller is to need to communicate timing and data in communication as unit of data frame
Resolving, it is therefore desirable to increase sample circuit in digital power, or increase individual analog-digital chip, will mention significantly
The cost of analog quantity is transmitted in high digital power system.Also, when multiple controllers obtain the analog quantity of identical signal simultaneously,
The case where inefficiency to occur.
Summary of the invention
In view of the above problems, the present invention provides a kind of analog signal transmission method, apparatus, microcontroller and computers to deposit
Storage media improves the working efficiency of digital power to reduce the cost of transmission analog quantity.
To achieve the goals above, the present invention adopts the following technical scheme that:
The present invention provides a kind of analog signal transmission method, for the transmission simulation letter between the internal controller of digital power
Number, comprising:
Analog signal to be transmitted is obtained from the internal controller of analog signal to be sent, and analyzes the mould to be transmitted
Quasi- signal, obtains analog quantity information corresponding to the analog signal to be transmitted；
According to the analog quantity information, information corresponding with the analog quantity information is generated by preset transformation algorithm and is passed
Defeated signal；
Electrical isolation is carried out to the transmission information signal, and the transmission information signal Jing Guo electrical isolation is sent
To the internal controller of analog signal to be received, passed so that the internal controller parses the information by default analytical algorithm
Defeated signal obtains analog signal.
Preferably, the preset transformation algorithm includes the linear transformation algorithm for generating linear information transmission signal.
Preferably, the linear transformation algorithm includes calculation formula below:
In formula, C is analog quantity-voltage transformation coefficient, and I is the analog quantity information of the analog signal to be transmitted, and K is to adopt
The proportionality coefficient of sample circuit, BIOFor the biasing coefficient of sample circuit, DIFor the digital quantity of electric current, KIFor transformation coefficient, TIIt is described
Transmission information signal.
Preferably, the transmission information signal characterizes the periodic signal of the analog quantity information including the use of the period.
Preferably, the analog signal transmission method, further includes:
The transmission information signal is sent from the internal controller of the analog signal to be received, is received by described to be received
The transmission information signal that the internal controller of analog signal is sent is believed according to the preset analytical algorithm parsing simulation to be received
Number internal controller send transmission information signal, obtain corresponding analog quantity.
The present invention also provides a kind of analog signal transmission devices, the biography for analog quantity between digital power internal controller
It is defeated, comprising:
Analog quantity obtains module, for obtaining analog signal to be transmitted from the internal controller of analog signal to be sent,
And the analog signal to be transmitted is analyzed, obtain analog quantity information corresponding to the analog signal to be transmitted；
Analogue transformation module, for being generated and the mould by preset transformation algorithm according to the analog quantity information
The corresponding transmission information signal of analog quantity information；
Analog quantity transmission module, for carrying out electrical isolation to the transmission information signal, and will be by electrical isolation
The transmission information signal is sent to the internal controller of analog signal to be received.
Preferably, the preset transformation algorithm includes the linear transformation algorithm for generating linear information transmission signal.
Preferably, the analog signal transmission device, further includes:
Analog quantity parsing module, for sending the information transmission letter from the internal controller of the analog signal to be received
Number, the transmission information signal sent by the internal controller of the analog signal to be received is received, according to preset analytical algorithm
The transmission information signal that the internal controller of the analog signal to be received is sent is parsed, corresponding analog quantity is obtained.
The present invention also provides a kind of microcontroller, including memory and processor, the memory is calculated for storing
Machine program, the processor runs the computer program so that the microcontroller executes the analog signal transmission side
Method.
The present invention also provides a kind of computer storage medium, it is stored with computer used in the microcontroller
Program.
The present invention provides a kind of analog signal transmission method, which includes: to believe from simulation to be sent
Number internal controller obtain analog signal to be transmitted, and analyze the analog signal to be transmitted, obtain described to be transmitted
Analog signal corresponding to analog quantity information；According to the analog quantity information, by preset transformation algorithm generate with it is described
The corresponding transmission information signal of analog quantity information；Electrical isolation is carried out to the transmission information signal, and electrical isolation will be passed through
The transmission information signal be sent to the internal controller of analog signal to be received, so as to the internal controller pass through it is default
Analytical algorithm parses the transmission information signal and obtains analog signal.Analog signal transmission method of the invention, can pass through number
Itself microcontroller of word power supply carries out conversion process, does not need multichannel independent sample circuit, reduces the cost of transmission analog quantity, and
And when possessing multiple microcontrollers in digital power while carrying out the acquisition of analog quantity of an analog signal, a micro-control is only needed
Device processed obtains analog quantity and share, to improve the working efficiency of digital power.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of the scope of the invention.
Fig. 1 is a kind of flow chart for analog signal transmission method that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of structural schematic diagram figure for digital power system that the embodiment of the present invention 1 provides；
Fig. 3 is a kind of flow chart for analog signal transmission method that the embodiment of the present invention 2 provides；
Fig. 4 is a kind of structural schematic diagram for analog signal transmission device that the embodiment of the present invention 2 provides；
Fig. 5 is the structural schematic diagram for another analog signal transmission device that the embodiment of the present invention 2 provides.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1 is a kind of flow chart for analog signal transmission method that the embodiment of the present invention 1 provides, and this method includes following step
It is rapid:
Step S11: analog signal to be transmitted is obtained from the internal controller of analog signal to be sent, and is analyzed to be transmitted
Analog signal, obtain analog quantity information corresponding to analog signal to be transmitted.
In the embodiment of the present invention, the shared of analog quantity information is usually required in digital power, between each controller, it is this
The shared of analog quantity information can be realized by the communication technology between controller.Wherein, digital power, i.e., with digital signal
Processor or microcontroller etc. are core, by digital power driver and PWM controller (PWM, Pulse Width
Modulation, pulse width modulation) the intelligent switch power-supply system that is constituted as control object.
In the embodiment of the present invention, analog signal to be transmitted is obtained in the microcontroller of digital power, namely need to carry out
The shared analog signal of analog quantity, can analyze the analog signal, to obtain the analog quantity of the analog signal.Wherein should
Analog quantity includes at least one analog quantity such as frequency, current value and voltage value of analog signal.Wherein, which obtains
The process of the analog quantity of analog signal can use algorithm or application program to realize, such as can be provided in the microcontroller
Sample circuit in application program controlling digital power samples analog signal by application program controlling sample circuit,
Analytical sampling data obtain the analog quantity of analog signal again.
Step S12: according to analog quantity information, information corresponding with analog quantity information is generated by preset transformation algorithm and is passed
Defeated signal.
In the embodiment of the present invention, the microcontroller of the digital power after the analog quantity for obtaining analog signal to be shared,
Preset transformation algorithm can also be utilized, transmission information signal is generated, with total by the transmission information signal and other controllers
Enjoy analog quantity.Wherein, the process of the generation analog signals can be realized by application program, such as can be in microcontroller
In be previously stored with the application program based on transformation algorithm, activated after obtaining analog quantity, utilize Analog control number electric
Circuit evolving transmission information signal in source.Wherein, which includes periodic signal, also, information transmission letter
Number can be digital signal, shared analog quantity information in need is carried in the period of the signal or frequency.
In the embodiment of the present invention, which includes the linear transformation for generating linear information transmission signal
Algorithm.
Step S13: electrical isolation is carried out to transmission information signal, and the transmission information signal Jing Guo electrical isolation is sent
To the internal controller of analog signal to be received, obtained so that internal controller parses transmission information signal by default analytical algorithm
Obtain analog signal.
In the embodiment of the present invention, microcontroller can also control number after control digital power generates transmission information signal
Isolation circuit in word power supply carries out electrical isolation to transmission information signal, and the transmission information signal is transmitted to target control
It is shared to complete analog quantity for device.Wherein, it is provided with electrical isolation circuit in the microcontroller and target controller, such as can is
Optical coupling isolation circuit, electromagnetic isolation circuit and Capacitor apart circuit etc..Wherein, electrical isolation circuit mainly reduces number electricity
Interference in source, allows transmission information signal to guarantee its accuracy when transmitting in digital power system, and drafting analog quantity is total
The reliability enjoyed.
In the embodiment of the present invention, above-mentioned digital power system, as shown in Fig. 2, including numerical control component 210 and its micro-control
Device 211 processed, electrical isolation transmission unit 220, numerical control component 230 and its microcontroller 231.Wherein, the numerical control component 210
The analog signal that can will acquire of microcontroller 211 be converted to transmission information signal according to preset transformation algorithm, then be born in the year of hare
Electrical isolation unit 220 be transmitted to after electrical isolation microcontroller its 231, complete the shared of analog quantity.
Embodiment 2
Fig. 3 is a kind of flow chart for analog signal transmission method that the embodiment of the present invention 2 provides, and this method includes following step
It is rapid:
Step S31: analog signal to be transmitted is obtained from the internal controller of analog signal to be sent, and is analyzed to be transmitted
Analog signal, obtain analog quantity information corresponding to analog signal to be transmitted.
This step is consistent with above-mentioned steps S11, and details are not described herein.
Step S32: according to analog quantity information, information corresponding with analog quantity information is generated by preset transformation algorithm and is passed
Defeated signal.
In the embodiment of the present invention, which includes linear transformation algorithm, which includes:
In formula, C is analog quantity-voltage transformation coefficient, and I is the analog quantity information of analog signal to be transmitted, and K is sampling electricity
The proportionality coefficient on road, BIOFor the biasing coefficient of sample circuit, DIFor the digital quantity of electric current, KIFor transformation coefficient, TIFor information transmission
Signal.Wherein, which includes current value and voltage value of analog signal etc..
In the embodiment of the present invention, which includes periodic signal, that is, by above-mentioned linear transformation algorithm,
Periodic signal can be generated according to the analog quantity of analog signal.For example, above-mentioned analog signal to be transmitted can be current signal,
, can be with the range of electric current be transmitted in setting in the microcontroller in advance before the analog quantity of analysis current signal, such as can set
For 0~50A, transmission precision is not less than 0.1A.Wherein, which can pass through microcontroller control in digital power system
Sample circuit processed obtains.
In the embodiment of the present invention, in above-mentioned formula 3.3 for microcontroller analog-digital converter voltage range, 4096 be micro-control
The digital quantity range of the analog-digital converter of device processed.Wherein, the analog-digital converter voltage range and number of different microcontrollers
It is different to measure range, therefore does not limit, wherein 4096 represent 12 as the digital quantity range of analog-digital converter.
In the embodiment of the present invention, the periodic signal generated by above-mentioned linear transformation algorithm is not less than by transmission precision
0.1A can determine that the period precision of the periodic signal should be not less than KI(124.1CK+1241BIO), transmission cycle range is
1241BIOKI~KI(62050CK+1241BIO)。
Step S33: electrical isolation is carried out to transmission information signal, and the transmission information signal Jing Guo electrical isolation is sent
To the internal controller of analog signal to be received, obtained so that internal controller parses transmission information signal by default analytical algorithm
Obtain analog signal.
This step is consistent with above-mentioned steps S13, and details are not described herein.
Step S34: transmission information signal is sent from the internal controller of analog signal to be received, is received by simulation to be received
The transmission information signal that the internal controller of signal is sent, the inside of analog signal to be received is parsed according to preset analytical algorithm
The transmission information signal that controller is sent, obtains corresponding analog quantity.
In the embodiment of the present invention, the shared of analog quantity, example can be realized between any controller in the digital power
If above-mentioned microcontroller can receive the transmission information signal of other controllers transmission, the information transmission of target controller is such as received
Signal is completed shared with the analog quantity of target controller acquisition.Wherein, which is receiving what target controller was sent
After transmission information signal, it can use pre-stored analytical algorithm in storage unit and parse the transmission information signal, to obtain
Obtain corresponding analog quantity.Wherein, it can also utilize based on the application program of the default transformation algorithm and control digital power system
In circuit carry out the parsing of the transmission information signal, here without limitation.
In the embodiment of the present invention, above-mentioned linear transformation algorithm is corresponded to, linear parsing is additionally provided in the microcontroller and is calculated
Method is shared, wherein the line for parsing after receiving above- mentioned information transmission signal to the signal with obtaining analog quantity
Property analytical algorithm includes:
In the embodiment of the present invention, which can be realized by above-mentioned linear analytical algorithm and linear transformation algorithm
Analog quantity is shared between microcontroller.Wherein, answering based on the linear analytical algorithm can be prestored in the microcontroller
With program, here without limitation.
Embodiment 3
Fig. 4 is a kind of structural schematic diagram for analog signal transmission device that the embodiment of the present invention 2 provides.
The analog signal transmission device 400 includes:
Analog quantity obtains module 410, for obtaining simulation letter to be transmitted from the internal controller of analog signal to be sent
Number, and analog signal to be transmitted is analyzed, obtain analog quantity information corresponding to analog signal to be transmitted.
Analogue transformation module 420, for being generated by preset transformation algorithm and being believed with analog quantity according to analog quantity information
Cease corresponding transmission information signal.
Analog quantity transmission module 430, for carrying out electrical isolation to transmission information signal, and by the letter Jing Guo electrical isolation
Breath transmission signal is sent to the internal controller of analog signal to be received, so that the internal controller is by presetting analytical algorithm
It parses the transmission information signal and obtains analog signal.
In the embodiment of the present invention, which includes the linear transformation for generating linear information transmission signal
Algorithm.
As shown in figure 5, the analog signal transmission device 400 further include:
Analog quantity parsing module 440 connects for sending transmission information signal from the internal controller of analog signal to be received
The transmission information signal sent by the internal controller of analog signal to be received is received, is parsed according to preset analytical algorithm to be received
The transmission information signal that the internal controller of analog signal is sent, obtains corresponding analog quantity.
In the embodiment of the present invention, the above-mentioned more detailed function description of modules can be with reference to corresponding in previous embodiment
Partial content, details are not described herein.
In addition, the microcontroller includes memory and processor the present invention also provides a kind of microcontroller, memory can
For storing computer program, processor by running the computer program, thus make microcontroller execute the above method or
The function of modules in the above-mentioned analog signal transmission device of person.
Memory may include storing program area and storage data area, wherein storing program area can storage program area, at least
Application program needed for one function (such as sound-playing function, image player function etc.) etc.；Storage data area can store root
Created data (such as audio data, phone directory etc.) etc. are used according to microcontroller.In addition, memory may include high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other volatile solid-state parts.
The present embodiment additionally provides a kind of computer storage medium, for storing computer used in above-mentioned microcontroller
Program.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and structure in attached drawing
Figure shows the system frame in the cards of the device of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be to be different from the implementation as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that in structure chart and/or flow chart
The combination of each box and the box in structure chart and/or flow chart, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be intelligence
Can mobile phone, personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic or disk etc. be various to can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of analog signal transmission method, for the transmission of analogue signal between the internal controller of digital power, feature exists
In, comprising:
Analog signal to be transmitted is obtained from the internal controller of analog signal to be sent, and analyzes the simulation letter to be transmitted
Number, obtain analog quantity information corresponding to the analog signal to be transmitted；
According to the analog quantity information, information transmission letter corresponding with the analog quantity information is generated by preset transformation algorithm
Number；
To the transmission information signal carry out electrical isolation, and by the transmission information signal Jing Guo electrical isolation be sent to
The internal controller of analog signal is received, so that the internal controller parses the information transmission letter by default analytical algorithm
Number obtain analog signal.
2. analog signal transmission method according to claim 1, which is characterized in that the preset transformation algorithm includes using
In the linear transformation algorithm for generating linear information transmission signal.
3. analog signal transmission method according to claim 2, which is characterized in that the linear transformation algorithm includes following
Calculation formula:
TI=KIDI；
In formula, C is analog quantity-voltage transformation coefficient, and I is the analog quantity information of the analog signal to be transmitted, and K is sampling electricity
The proportionality coefficient on road, BIOFor the biasing coefficient of sample circuit, DIFor the digital quantity of electric current, KIFor transformation coefficient, TIFor the information
Transmit signal.
4. analog signal transmission method according to claim 1, which is characterized in that the transmission information signal including the use of
Period characterizes the periodic signal of the analog quantity information.
5. analog signal transmission method according to claim 1, which is characterized in that further include:
The transmission information signal is sent from the internal controller of the analog signal to be received, is received by the simulation to be received
The transmission information signal that the internal controller of signal is sent, parses the analog signal to be received according to preset analytical algorithm
The transmission information signal that internal controller is sent, obtains corresponding analog quantity.
6. a kind of analog signal transmission device, the transmission for analog quantity between digital power internal controller, which is characterized in that
Include:
Analog quantity obtains module, for obtaining analog signal to be transmitted from the internal controller of analog signal to be sent, and divides
The analog signal to be transmitted is analysed, analog quantity information corresponding to the analog signal to be transmitted is obtained；
Analogue transformation module, for being generated and the analog quantity by preset transformation algorithm according to the analog quantity information
The corresponding transmission information signal of information；
Analog quantity transmission module, for carrying out electrical isolation to the transmission information signal, and will be by described in electrical isolation
Transmission information signal is sent to the internal controller of analog signal to be received.
7. analog signal transmission device according to claim 6, which is characterized in that the preset transformation algorithm includes using
In the linear transformation algorithm for generating linear information transmission signal.
8. analog signal transmission device according to claim 6, which is characterized in that further include:
Analog quantity parsing module, for sending the transmission information signal from the internal controller of the analog signal to be received,
The transmission information signal sent by the internal controller of the analog signal to be received is received, is parsed according to preset analytical algorithm
The transmission information signal that the internal controller of the analog signal to be received is sent, obtains corresponding analog quantity.
9. a kind of microcontroller, which is characterized in that including memory and processor, the memory is for storing computer journey
Sequence, the processor runs the computer program so that the microcontroller executes according to claim 1 to any one of 5 institutes
The analog signal transmission method stated.
10. a kind of computer storage medium, which is characterized in that it is stored with used in microcontroller as claimed in claim 9
Computer program.
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| CN113834991A (en) * | 2021-09-22 | 2021-12-24 | 云南电网有限责任公司电力科学研究院 | Analog quantity remote transmission method and device |
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| CN109471390B (en) | 2020-05-08 |
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