CN209460599U - A kind of control system with flow printing function - Google Patents
A kind of control system with flow printing function Download PDFInfo
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- CN209460599U CN209460599U CN201822045569.6U CN201822045569U CN209460599U CN 209460599 U CN209460599 U CN 209460599U CN 201822045569 U CN201822045569 U CN 201822045569U CN 209460599 U CN209460599 U CN 209460599U
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Abstract
The utility model relates to flow control technique fields, more particularly to a kind of control system with flow printing function, it includes controller, mass flowmenter, AC power supplies, liquid crystal display, key touch selector and printer, and the controller includes cpu circuit unit, printer interface, emulation interface, relay output module, power module, man-machine interaction unit, communication module and switching input module；The cpu circuit unit, is electrically connected to each other with printer interface, emulation interface, relay output module, power module, man-machine interaction unit, communication module and switching input module respectively.Device metering provided by the utility model is accurate, can record filling liquid in detail and unload flow quantity data, and can show and print data on flows that is current and retrieving.
Description
Technical field
The utility model relates to flow control technique field more particularly to a kind of control systems with flow printing function
System.
Background technique
Demand continuous enlargement of the current industrial enterprise for industrial low-temperature gas and the new energy of LNG, the storage and transportation sale city of gas
Field is huge.And as a link indispensable in gas storage and transportation, tank car management is gas companies and energy enterprise all the time
The problem of industry not may span across, management bring cost is also a huge expense.There are a large amount of active service is low for the current country
Warm tank car, vehicle arrangement is relatively backward, filling liquid and unload liquid pipe reason often through manual record, the receipt then recorded consigns to visitor
Family, and achieve and be then sent to corporate HQ, unified typing management.Since the machinery instrument on tank car is not accurate, and company can not
Guarantee that the every notes record of driver is all accurate, this carrys out many problems to later period financial statistics work belt.
Utility model content
The technical problem to be solved by the utility model is to provide meterings accurately, can record in detail filling liquid and unload flow quantity
Data, and can show and print a kind of control system with flow printing function of data on flows that is current and retrieving.
The utility model is to be achieved by the following technical programs:
A kind of control system with flow printing function comprising controller, mass flowmenter, AC power supply, liquid crystal
Show that device, key touch selector and printer, the controller include cpu circuit unit, printer interface, emulation interface, relay
Output module, power module, man-machine interaction unit, communication module and switching input module；
The cpu circuit unit, including external crystal oscillation circuit, CPU power supply circuit, reset circuit, connect with printer respectively
Mouth, emulation interface, relay output module, power module, man-machine interaction unit, communication module and switching input module are mutual
Electrical connection, for obtaining data on flows, completion data are shown and print out task, control entire flow print procedure；
The printer interface is connect with printer, and the flow for print control unit record goes out liquid and feed liquor tables of data
It is single；
The emulation interface is connect with emulator to be tested and is emulated, and provides the function upgrading service in later period；
The relay output module is connect with live solenoid valve, control equipment operation；
The switching input module is connect with live immersed pump output signal, control printing process；
The man-machine interaction unit is electrically connected with liquid crystal display and key touch selector, is shown by liquid crystal display controlled
The working condition of equipment is locally located by key touch selector and is operated monitoring device；
The communication module is electrically connected with mass flowmenter, for obtain the instantaneous flow of mass flowmenter, integrated flow,
Temperature, pressure essential information, and pass information to cpu circuit unit；
Power module is connect with AC power supplies, is controller, mass flowmenter, liquid crystal display, key touch selector and printing
Machine provides electric power.
Further, cpu circuit unit and communication module have 485 telecommunication circuits, are set by serial communication circuit to controlled
It is standby to carry out data acquisition, it is electrically connected using MODBUS-RTU agreement with all types of industries field-programmable controller.
Further, emulation interface is electrically connected using JTAG interface circuit with emulator, is configured for local device information.
Further, power module supports AC power supplies 12V DC to turn 5V DC and 3.3V DC.
The beneficial effects of the utility model
A kind of control system with flow printing function provided by the utility model, records filling liquid by mass flowmenter
With unload flow quantity data, each equipment is on-site data gathering device, and the data of acquisition are transferred to cpu circuit unit, and deposit
It is stored in the microcontroller of cpu circuit unit, liquid crystal display is responsible for showing relevant device state and retrieves the data of all records, matches
Set the adjustable flow meter configuration information of switching input module, user can according to need printing currently and retrieve
Data on flows greatly reduces the weight and volume of equipment using the industrial control unit (ICU) with flow printing function, drop
Low cost and project cost reduce, and effectively increase the reliability of equipment, extend the service life of equipment, and operation is more pacified
It is complete convenient, and emulation interface is used, basis is provided for later period upgrading extension.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the utility model communication module circuitry (RS485 communication)；
Fig. 3 is the utility model cpu circuit element circuit；
Fig. 4 is the utility model power module circuitry；
Fig. 5 is the utility model printer interface circuit (RS232 communication)；
Fig. 6 is the utility model RTC power supply circuit；
Fig. 7 is the utility model outputting circuit for relay；
Fig. 8 is the utility model switching value input circuit；
Fig. 9 is the utility model JTAG interface circuit；
Figure 10 is the utility model key touch selector circuit；
Specific embodiment
A kind of control system with flow printing function comprising controller, mass flowmenter, AC power supply, liquid crystal
Show that device, key touch selector and printer, the controller include cpu circuit unit, printer interface, emulation interface, relay
Output module, power module, man-machine interaction unit, communication module and switching input module；
The cpu circuit unit, including external crystal oscillation circuit, CPU power supply circuit, reset circuit, connect with printer respectively
Mouth, emulation interface, relay output module, power module, man-machine interaction unit, communication module and switching input module are mutual
Electrical connection, for obtaining data on flows, completion data are shown and print out task, control entire flow print procedure；
The printer interface is connect with printer, and the flow for print control unit record goes out liquid and feed liquor tables of data
It is single；
The emulation interface is connect with emulator to be tested and is emulated, and provides the function upgrading service in later period；
The relay output module is connect with live solenoid valve, control equipment operation；
The switching input module is connect with live immersed pump output signal, control printing process；
The man-machine interaction unit is electrically connected with liquid crystal display and key touch selector, is shown by liquid crystal display controlled
The working condition of equipment is locally located by key touch selector and is operated monitoring device；
The communication module is electrically connected with mass flowmenter, for obtain the instantaneous flow of mass flowmenter, integrated flow,
Temperature, pressure essential information, and pass information to cpu circuit unit.
Power module is connect with AC power supplies, is controller, mass flowmenter, liquid crystal display, key touch selector and printing
Machine provides electric power.
Specifically, cpu circuit unit and communication module have 485 telecommunication circuits, set by serial communication circuit to controlled
It is standby to carry out data acquisition, it is electrically connected using MODBUS-RTU agreement with all types of industries field-programmable controller.
Further, emulation interface is electrically connected using JTAG interface circuit with emulator, is configured for local device information.
Further, power module supports AC power supplies 12V DC to turn 5V DC and 3.3V DC.
Further, it is STM32F103VE, communication module that microprocessor, which uses the model of integrated circuit, in cpu circuit unit
Model using integrated circuit is the MAX3485ESA of U.S. letter, and the DC-DC conversion module that power module uses is that MORNSUN is produced
K7805-1000。
RS485 interface circuit shown in Fig. 2, this circuit use low pressure version MAX3485 chip, and 485 half-duplexs switching is drawn by CPU
Foot control system, Modbus-RTU agreement all are completed to parse by CPU.
Shown in Fig. 3, CPU uses integrated circuit STM32103VE, shares 100 pins, which is based on ARM
Contex-M3 framework is integrated with 64K SRAM memory and 512K FLASH memory, possess Peripheral Interface resource abundant and
A variety of power saving operation modes, wherein the arithmetic speed of integrated circuit STM32103VE core can achieve 72MHz, be very suitable to
Application in terms of Industry Control, CPU peripheral circuit mainly include crystal oscillating circuit, reset circuit, starting configuration circuit, power pins
Deng.
Shown in Fig. 4, the 50Hz AC alternating current of input, by EMC module filtered and protection, then, into AC-DC modulus of conversion
Block, the 24V plant-grid connection DC-DC module after pressure stabilizing is isolated in Switching Power Supply, exports 5V direct current, and final after further pressure drop
Direct current 3.3V needed for being converted into CPU and other devices as LDO integrated circuit TLV1117LV33.Power unit uses profession
EMC module is primarily due to controller power supply and is provided by mobile generator, can be disturbed, and in equipment operation environment
There is biggish frequency conversion equipment, these can all adversely affect the power supply environment at actual scene, so, use professional EMC
Module can preferably guarantee the stability of system.
Shown in Fig. 5, by cpu circuit unit by RS232 communication control, the utility model external printer uses printer
The intrinsic safe explosion-proof thermal printer of Transistor-Transistor Logic level, TTL output pin connects the resistance (overcurrent protection) in two 0 Europe and connects in circuit
Pull-up resistor is to 3.3V.
Shown in Fig. 6, the utility model is using RTC inside cpu circuit unit, when external AC electrical power source power supply, RTC circuit by
Power module power supply, when not having external AC electrical power source power supply, RTC circuit is powered by the 3V button cell of plate, and RTC is for recording
The value of system RTC clock guarantees that system RTC clock is accurate, and power down is not volatile.
Shown in Fig. 7, outputting circuit for relay, the signal of cpu circuit unit output, by multiple tube 2N6038 power amplification
Afterwards, relay G6H-2-F movement is pushed, the design is active design, output voltage 24V, normal band load 0.75W.
Shown in Fig. 8, switching value input circuit, this circuit mainly constitutes pressure divider circuit by 3 resistance on measure loop, when
When having the input voltage of 24V on measure loop, obtain the driving voltage of optocoupler from the partial pressure on the load resistance of 1.8K, optocoupler every
From outputing signal to cpu circuit unit.
Shown in Fig. 9, emulation interface uses JTAG interface circuit, is mainly made of pull-up resistor and part decoupling capacitor, this
Interface is mainly used for systemic software development early period and debugging, later period system failure inspection etc..
Shown in Figure 10, key touch selector circuit carries out the pull-up of 3.3V to key one end, and cpu circuit unit detects key
The operation such as key jitter elimination, key press delays is realized in the level of the other end, cooperation CPU detection.
For the utility model liquid crystal display by CPU by RS232 communication control, cpu chip STM32F103VE passes through TTL
Level is connect with liquid crystal display.
Due to a kind of control system with flow printing function provided by the utility model, recorded by mass flowmenter
Filling liquid and flow quantity data are unloaded, each equipment is on-site data gathering device, and the data of acquisition are transferred to cpu circuit unit,
And be stored in the microcontroller of cpu circuit unit, liquid crystal display is responsible for showing relevant device state and retrieves the number of all records
According to the configuration adjustable flow meter configuration information of switching input module, user can according to need printing currently and examine
The data on flows that rope arrives, using the industrial control unit (ICU) with flow printing function, greatly reduce the weight of equipment with
Volume, reduces costs and project cost reduces, and effectively increases the reliability of equipment, extends the service life of equipment, grasps
Make more safe ready, and use emulation interface, provides basis for later period upgrading extension.
In conclusion a kind of control system with flow printing function provided by the utility model, metering is accurate, can
Filling liquid is recorded in detail and unloads flow quantity data, and can show and print data on flows that is current and retrieving.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of control system with flow printing function, which is characterized in that including controller, mass flowmenter, AC power supplies,
Liquid crystal display, key touch selector and printer, the controller include cpu circuit unit, printer interface, emulation interface,
Relay output module, power module, man-machine interaction unit, communication module and switching input module；
The cpu circuit unit, including external crystal oscillation circuit, CPU power supply circuit, reset circuit, respectively with printer interface, imitative
True interface, relay output module, power module, man-machine interaction unit, communication module and switching input module are mutually electrically connected
It connects, for obtaining data on flows, completion data are shown and print out task, control entire flow print procedure；
The printer interface is connect with printer, and the flow for print control unit record goes out liquid and feed liquor data form；
The emulation interface is connect with emulator to be tested and is emulated, and provides the function upgrading service in later period；
The relay output module is connect with live solenoid valve, control equipment operation；
The switching input module is connect with live immersed pump output signal, control printing process；
The man-machine interaction unit is electrically connected with liquid crystal display and key touch selector, shows controlled device by liquid crystal display
Working condition, monitoring device is locally located and operated by key touch selector；
The communication module is electrically connected with mass flowmenter, for obtaining the instantaneous flow, integrated flow, temperature of mass flowmenter
Pressure essential information, and pass information to cpu circuit unit；
Power module is connect with AC power supplies, is mentioned for controller, mass flowmenter, liquid crystal display, key touch selector and printer
For electric power.
2. a kind of control system with flow printing function according to claim 1, which is characterized in that cpu circuit list
Member and communication module have 485 telecommunication circuits, carry out data acquisition to controlled device by serial communication circuit, use
MODBUS-RTU agreement is electrically connected with all types of industries field-programmable controller.
3. a kind of control system with flow printing function according to claim 2, which is characterized in that emulation interface is adopted
It is electrically connected with JTAG interface circuit with emulator, is configured for local device information.
4. a kind of control system with flow printing function according to claim 3, which is characterized in that power module branch
It holds AC power supplies 12V DC and turns 5V DC and 3.3V DC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045569.6U CN209460599U (en) | 2018-12-07 | 2018-12-07 | A kind of control system with flow printing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045569.6U CN209460599U (en) | 2018-12-07 | 2018-12-07 | A kind of control system with flow printing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460599U true CN209460599U (en) | 2019-10-01 |
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ID=68040137
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822045569.6U Active CN209460599U (en) | 2018-12-07 | 2018-12-07 | A kind of control system with flow printing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926645A (en) * | 2019-12-19 | 2020-03-27 | 深圳市中新力电子科技有限公司 | Big data monitoring multichannel temperature acquisition circuit |
| CN111158275A (en) * | 2019-12-24 | 2020-05-15 | 浙江工业大学 | Level gauge read-write device based on BLE and Web server |
-
2018
- 2018-12-07 CN CN201822045569.6U patent/CN209460599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926645A (en) * | 2019-12-19 | 2020-03-27 | 深圳市中新力电子科技有限公司 | Big data monitoring multichannel temperature acquisition circuit |
| CN111158275A (en) * | 2019-12-24 | 2020-05-15 | 浙江工业大学 | Level gauge read-write device based on BLE and Web server |
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