CN209103123U - A kind of system for remotely controlling with signal acquisition - Google Patents
A kind of system for remotely controlling with signal acquisition Download PDFInfo
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- CN209103123U CN209103123U CN201821891162.9U CN201821891162U CN209103123U CN 209103123 U CN209103123 U CN 209103123U CN 201821891162 U CN201821891162 U CN 201821891162U CN 209103123 U CN209103123 U CN 209103123U
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- acquisition
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Abstract
The utility model discloses a kind of system for remotely controlling with signal acquisition, which includes: analog signals input module, obtains the analog signals that signal source provides；Master controller is connect with analog signals input module, is received analog input signal, is converted into digital quantity signal by the analog-digital converter in master controller；RS485 interface, connect with master controller and remote control equipment, the data result of master controller is sent to remote control equipment by RS485 interface, remote control equipment provides teledata instruction, is sent to master controller by RS485 interface；Digital quantity signal output module exports remote control equipment to corresponding digital quantity signal after teledata instruction processing.The utility model can be monitored remotely, also remote controlled, integrate data acquisition, control, transfer function, there is extremely strong adaptive capacity to environment and extremely strong anti-electromagnetic interference capability, and communication distance is long, and massive store, application is with strong points, is convenient for secondary development.
Description
Technical field
It is the utility model relates to oilfield automation control application field, in particular to a kind of for remotely controlling and letter
Number acquisition system.
Background technique
Currently, the energy and people's life and work are closely bound up, it is indispensable.Oil exploitation can greatly meet people
Life and economic construction needs.Oil well is the hole being drilled to by boring method, that is, is beaten with drilling machine from ground when exploiting petroleum
To well made of oil reservoir.
In the prior art, the open and close well of traditional control oil well is realized by manually, time-consuming and laborious.So needing
It wants a kind of to be responsible for passing through the monitoring and control of on-site signal, industrial equipment for remotely controlling with the system of signal acquisition
The control that formula is automated in oilfield field is realized in acquisition, control, transmission etc. to signals such as pressure, flow, electric current, voltages
The operation such as valve Push And Release processed and control pressure sensor, can remotely monitor, is also remote controlled, the acquisition of collection data, control
System, transfer function play an important role oilfield automation control in one.
Utility model content
The purpose of the utility model is to provide a kind of system for remotely controlling with signal acquisition, which includes simulation
Measure sampling, digital data acquisition, analog signals linear isolation, digital quantity signal isolation, telecommunication, unit power supply, digital quantity
The modules such as output and output isolation amplification, send the simulation input amount signal obtained by RS485 interface and digital quantity input are believed
Number, and corresponding digital output can be made after RS485 receives control instruction, it realizes to on-site signal, industrial equipment
Monitoring and control, can remotely monitor, is also remote controlled, integrate data acquisition, control, transfer function, have pole
Strong adaptive capacity to environment, extremely strong anti-electromagnetic interference capability, communication distance be long, massive store ability, and real-time perfoming more
Business operation, has flexibly compatible open interface.
In order to achieve the above object, the utility model discloses a kind of system for remotely controlling with signal acquisition, packets
Contain:
Power supply system provides working power for whole system；
It is defeated to obtain the analog quantity that signal source provides for analog signals input module and/or digital quantity signal input module
Enter signal and/or digital quantity input signal；
Master controller is connect with analog signals input module, receives corresponding analog input signal, and analog quantity is defeated
Enter signal and corresponding digital quantity signal is converted by the analog-digital converter in master controller；And/or master controller and digital quantity
Signal input module connection, receives corresponding digital quantity input signal；
RS485 interface is connect with the master controller；The RS485 interface is also connect with remote control equipment, is passed through
To digital quantity input signal, treated that data result is sent to the long-range control sets by the master controller for RS485 interface
It is standby；The remote control equipment provides corresponding teledata instruction, is sent to the main control by the RS485 interface
Device；
Digital quantity signal output module, by the remote control equipment to corresponding number after teledata instruction processing
Amount signal is exported.
Preferably, the analog signals input module includes the simulation for the analog input signal that acquisition signal source provides
It measures signal acquisition unit, carry out the analog signals linear isolation unit of linear isolation to analog input signal and to analog quantity
The analog signals linear amplification unit of input signal progress Linear Amplifer.
Preferably, the digital quantity signal input module includes the number for the digital quantity input signal that acquisition signal source provides
Amount signal acquisition unit and the digital quantity signal isolated location that digital quantity input signal is isolated.
Preferably, the analog input signal is pressure signal, flow signal, current input signal, voltage input letter
Number it is one or more.
Preferably, the current input signal is 4-20mA, and the voltage input signal is 0-10V.
Preferably, first interface is provided in the master controller, reception is first converted by the voltage input signal
Voltage signal made of the laggard line sexual isolation of current signal and amplification are inverted again is received by the current input signal
Directly carry out linear isolation and amplification and it is inverted again made of voltage signal；
The first interface of the master controller, which is provided with, can carry out analog-to-digital conversion for the voltage signal after conversion and obtain pair
The analog-digital converter for the digital quantity signal answered.
Preferably, it is provided with reception in the master controller and measures by amplified digital quantity input signal is isolated
GPIO interface.
Preferably, the power-supply system is 24V DC power supply.
Compared with prior art, the utility model has the following beneficial effects: the utility model can be led to remote device
Local collected signal is sent to remote device, is provided simultaneously with the instruction for receiving remote device, responds the control of instruction by news
Logic；The long-range control of the utility model and the system of signal acquisition are responsible for the monitoring and control to on-site signal, industrial equipment,
It can remotely monitor, is also remote controlled, being to integrate data acquisition, control, transfer function, there is extremely strong environment to adapt to
Ability and extremely strong anti-electromagnetic interference capability, communication distance is long, massive store ability, can carry out multitask behaviour in real time
Make, also there is flexibly compatible open interface；The utility model is convenient for secondary development using with strong points.
Detailed description of the invention
The schematic diagram for remotely control and the system of signal acquisition of Fig. 1 the utility model.
Specific embodiment
In order to keep the utility model more obvious and easy to understand, the utility model is done below in conjunction with the drawings and specific embodiments
It further illustrates.
As shown in Figure 1, the utility model includes with the system of signal acquisition for remotely controlling: power supply system, simulation
Measure signal input module and/or digital quantity signal input module, master controller, RS485 interface, remote control equipment and digital quantity
Signal output module.
Analog signals acquisition unit, analog signals linear isolation unit are provided in analog signals input module
(such as a kind of electronic component HCNR200, high linearity analog photoelectricity coupler) and analog signals linear amplification unit (such as
Electronic component AD8552, a kind of two-way amplifier).
Wherein, analog signals acquisition unit is acquired the analog signals such as pressure, the flow of acquisition；Analog quantity letter
Number linear isolation unit carries out linear isolation to analog signals such as collected pressure, flows, for example, the 4-20mA that will be obtained
The isolation that smaller linear distortion is carried out with 0-10V analog input signal, signal source and internal system are effectively isolated,
Prevent too high voltages penetrates the device for burning and realizing function switching signal；Analog signals linear amplification unit is to collected
The analog inputs signal such as pressure, flow carries out Linear Amplifer.
Digital quantity signal acquisition unit and digital quantity signal isolation unit are provided in digital quantity signal input module.Its
In, digital quantity signal acquisition unit is acquired the digital quantity input signal of acquisition, and digital quantity signal isolated location can be adopted
The digital quantity of acquisition is inputted for the electrical continuity inside external input and unit to be isolated with electronic component PS2801-4
Signal is isolated, because digital quantity input signal source is effectively isolated with internal system, can prevent too high voltages
Penetrate burn realize function switching signal device.
Analog signals input module is connect with master controller, then when 0-10V analog input signal is converted to electric current letter
Number, carry out linear isolation and amplification after be converted into voltage signal access master controller with analog-to-digital conversion interface on surveyed
Amount, obtains corresponding digital quantity signal；Alternatively, turning after 4-20mA analog input signal directly carries out linear isolation and amplification
Voltage signal access master controller is changed into measuring on the interface of analog-to-digital conversion, obtains corresponding digital quantity signal.
And/or digital quantity signal input module is connect with master controller, then digital quantity input signal accesses after being isolated
It is surveyed on the GPIO interface (General-Purpose Input/Output Ports, general purpose I/O port) of master controller
Amount.
Master controller can use electronic component STM8S208, master controller and power supply system (such as 24V DC power supply)
Connection provides stable, high quality working power to whole system to realize.Wherein, 24V DC power supply can use REC5-
The power supply of 2405 models.
RS485 interface uses electronic component ADM2687, accesses RS485 network for realizing single-chip microcontroller.RS485 interface point
It is not connect with master controller and remote control equipment, master controller also connect and export isolation module also with output isolation module
It is connect with output amplification module.Output isolation module can use electronic component PS2801-4, for external output and list to be isolated
Electrical continuity inside member.IRF7380 can be used by exporting amplification module electronic component, for improving the driving energy of equipment
Power.
Digital quantity signal output module is provided with output isolation module and output amplification module, exports isolation module to output
Digital quantity signal be isolated, output amplification module the digital quantity signal of output is amplified.
Wherein, when master controller is after obtaining input signal, data and state is encoded, are sent out by RS485 interface
It send to remote control equipment, then remote control equipment accordingly provides teledata instruction, and is sent to master by RS485 interface
Controller, master controller are decoded data, the function according to required by teleinstruction by corresponding digital quantity signal successively
It exports after output isolation module and output amplification module are isolated, are amplified, is controlled for practical.
The utility model provides a kind of method for remotely controlling with signal acquisition, and this method includes following procedure:
S1, stable, high quality working power is provided to whole system by power supply system；
S2, analog signals input module receive the analog input signal that signal source provides, and are correspondingly turned
Laggard line sexual isolation and amplification/directly carried out linear isolation and amplification are changed, then accesses master controller with modulus
It is measured on the interface of conversion, obtains corresponding digital quantity signal；
And/or digital quantity signal input module directly receives the digital quantity input signal of signal source offer and is carried out
Isolation is followed by measuring on the GPIO interface of master controller；
S3, when master controller obtain above-mentioned input signal after, data and state are encoded, are sent out by RS485 interface
It send to remote control equipment；
S4, remote control equipment accordingly provide teledata instruction, and are sent to master controller by RS485 interface；
S5, master controller are decoded data command, instruct required function by corresponding number according to teledata
Word amount signal successively exports after being isolated, being amplified, and controls for practical.
Wherein, due to using multitasking mechanism, signal acquisition and teleinstruction execution carry out simultaneously.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (8)
1. it is a kind of for remotely controlling system with signal acquisition, characterized by comprising:
Power supply system provides working power for whole system；
Analog signals input module and/or digital quantity signal input module obtain the analog input letter that signal source provides
Number and/or digital quantity input signal；
Master controller is connect with analog signals input module, receives corresponding analog input signal, analog input letter
Number corresponding digital quantity signal is converted by the analog-digital converter in master controller；And/or master controller and digital quantity signal
Input module connection, receives corresponding digital quantity input signal；
RS485 interface is connect with the master controller；The RS485 interface is also connect with remote control equipment, is passed through
To digital quantity input signal, treated that data result is sent to the long-range control sets by the master controller for RS485 interface
It is standby；The remote control equipment provides corresponding teledata instruction, is sent to the main control by the RS485 interface
Device；
Digital quantity signal output module believes corresponding digital quantity after teledata instruction processing the remote control equipment
It number is exported.
2. the system as described in claim 1 for remotely controlling with signal acquisition, which is characterized in that
The analog signals input module includes the analog signals acquisition for the analog input signal that acquisition signal source provides
Unit, to analog input signal carry out linear isolation analog signals linear isolation unit and to analog input signal into
The analog signals linear amplification unit of row Linear Amplifer.
3. the system as described in claim 1 for remotely controlling with signal acquisition, which is characterized in that
The digital quantity signal input module includes the digital quantity signal acquisition for the digital quantity input signal that acquisition signal source provides
Unit and the digital quantity signal isolated location that digital quantity input signal is isolated.
4. the system as described in claim 1 for remotely controlling with signal acquisition, which is characterized in that
The analog input signal is one kind or more of pressure signal, flow signal, current input signal, voltage input signal
Kind.
5. the system as claimed in claim 4 for remotely controlling with signal acquisition, which is characterized in that
The current input signal is 4-20mA, and the voltage input signal is 0-10V.
6. as described in claim 4 or 5 for remotely controlling the system with signal acquisition, which is characterized in that
It is provided with first interface in the master controller, receives that be first converted into current signal by the voltage input signal laggard
Voltage signal made of line sexual isolation and amplification are inverted again or receive directly is carried out linearly by the current input signal
Isolation and amplification and it is inverted again made of voltage signal；
The first interface of the master controller, which is provided with, can carry out analog-to-digital conversion for the voltage signal after conversion and obtain corresponding
The analog-digital converter of digital quantity signal.
7. the system as claimed in claim 1 or 3 for remotely controlling with signal acquisition, which is characterized in that
It is provided with reception in the master controller and measures the GPIO interface by amplified digital quantity input signal is isolated.
8. the system as described in claim 1 for remotely controlling with signal acquisition, which is characterized in that
The power supply system is 24V DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891162.9U CN209103123U (en) | 2018-11-16 | 2018-11-16 | A kind of system for remotely controlling with signal acquisition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891162.9U CN209103123U (en) | 2018-11-16 | 2018-11-16 | A kind of system for remotely controlling with signal acquisition |
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| CN209103123U true CN209103123U (en) | 2019-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634228A (en) * | 2018-11-16 | 2019-04-16 | 美钻深海能源科技研发（上海）有限公司 | A kind of system and method for remotely controlling with signal acquisition |
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2018
- 2018-11-16 CN CN201821891162.9U patent/CN209103123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634228A (en) * | 2018-11-16 | 2019-04-16 | 美钻深海能源科技研发（上海）有限公司 | A kind of system and method for remotely controlling with signal acquisition |
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