CN102156421A - Full-automatic control system used in CNG dispenser - Google Patents
Full-automatic control system used in CNG dispenser Download PDFInfo
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- CN102156421A CN102156421A CN 201110080321 CN201110080321A CN102156421A CN 102156421 A CN102156421 A CN 102156421A CN 201110080321 CN201110080321 CN 201110080321 CN 201110080321 A CN201110080321 A CN 201110080321A CN 102156421 A CN102156421 A CN 102156421A
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Abstract
The invention discloses a full-automatic control system used in a CNG (Compressed Natural Gas) dispenser. The full-automatic control system comprises a control main board, wherein the control main board is a six-layer circuit board; the control main board is provided with a master control chip, and a memory module and various interface circuits connected with the master control chip; and the interface circuits comprise a power supply interface, a CAN (Controller Area Network) communication interface, a control interface of a valve control board, a travel switch interface, a flow meter signal input interface, a pressure sensor interface, a display interface, a keyboard input interface and an online programming interface. The full-automatic control system used in the CNG dispenser is combined with a computer processing technology, a novel singlechip technology and a high integration technology of circuit design, comprehensively implements the full-automatic control on the gas dispensing process of the CNG, and is featured by high integration, high reliability, high capacity of resisting disturbance and excellent expandability.
Description
Technical field
The present invention relates to the control technology field, particularly a kind of full-automatic control system that is applied to the CNG filling machine.
Background technology
On existing C NG terminal device, the CNG filling machine is a key equipment.Continuous development along with China CNG industry, and the increase constantly that is used for automobile and the relevant device of CNG, this technical requirement to the CNG filling machine is also just high more, at the filling machine control system that extensively adopts at present, mostly to add airway dysfunction substantially be purpose to satisfy, in the exploitation and design of master control system, there are not too much consideration ancillary technique and extra function.But along with the demand of the marketization and client's specificization, CNG filling machine master control system is also requiring advanced technologyization and complete functionization.
Be applied to the master control system technology of CNG filling machine at present, much all be based on exploitation and design when satisfying its basic function, compare with advanced person's intelligent Automatic Control technology, its typical defect is: the control system poor anti jamming capability, integrated level is not high, the gordian technique tradition of employing, and function is simple, it is big that the occupation of land space is installed, later maintenance difficulty etc.Do not consider global optimization design and exploitation owing to only pursue the simplification of function, caused maintenance and the escalation process of product to run into very big bottle strength in the later stage, especially handle at real-time and data high reliability, it is unable to do what one wishes to seem especially, when carrying out exchanges data with host computer again, because the restriction (limitation of the communication technology of employing itself) of technical merit own does not reach many requirement of client, cause many product up-gradation difficulties of later stage, have only again and regenerate.
Summary of the invention
In view of this, the full-automatic control system that the purpose of this invention is to provide a kind of CNG of being applied to filling machine, combine the high integration technology of Computer Processing technology, new single chip machine technology and circuit design, the comprehensive Automatic Control that realizes CNG aerating process, has the realization high integration, high reliability, and antijamming capability is strong and the good characteristics of extensibility.
The objective of the invention is to be achieved through the following technical solutions:
This is applied to the full-automatic control system of CNG filling machine, comprise control main board, described control main board adopts six laminate circuit design, described control main board be provided with main control chip and with joining memory module of main control chip and various interface circuit, described interface circuit comprises power interface, CAN communication interface, valve control plate control interface, travel switch interface, flow meter signal input interface, pressure sensor interface, display interface, keyboard input interface and online programming interface, wherein:
Power interface is used to insert the externally fed power supply, delivers to control main board after treatment;
The CAN communication interface, the online in real time that is used between the center management system of control system and host computer is communicated by letter;
Valve control plate control interface is used for each valve control plate of control linkage, is connected with the solenoid valve of filling machine by valve control plate;
The travel switch interface is used to start the course of work, sends to control signal to valve control plate control interface, controls opening of different solenoid valves by valve control plate control interface;
The flow meter signal input interface is used for the access flow meter, gathers flow signal in real time and transfers to main control chip;
Pressure sensor interface is used for the cut-in pressure sensor, gathers pressure signal in real time and transfers to main control chip;
Display interface is used to connect display device, shows related data in real time;
The online programming interface is used for the renewal of main control chip in house software, and the controlled variable of the system that is provided with that combines with keyboard.
Further, also comprise the USB spare interface in the interface circuit of described system, this interface is used for reading and storing of canbe used on line data;
Further, also comprise receipt printer interface and IC card reader interface in the interface circuit of described system;
Further, also comprise the electronic cipher lock interface in the interface circuit of described system, be used for all hardware interface of control system is realized electronic locking;
Further, described display interface comprises Chinese display interface and number liquid display interface.
The invention has the beneficial effects as follows:
1. control main board of the present invention adopts the highly integrated circuit design, replaces traditional design technology, compares traditional handicraft, has improved whole antijamming capability effectively;
2. control main board of the present invention adopts the six laminates design of specialty, has the integrated level height, and system extension is advantage easily;
With the communicating by letter of host computer in, the present invention adopts present state-of-the-art CAN communication mode, have safe and reliable, advantage such as transmission speed is fast;
4. the present invention adopts the super large storage chip, can disposable storage surpass 30000 single record, and have the data buffering function according to real time status, and having solved traditional filling machine data can not be in a large amount of storages of aerating hardware system and the defective of handling;
5. the present invention implements the design of software and hardware duplicate protection to the important measuring parameter of national requirements, adopts " electronic lock " mode on the master control system hardware interface, adopts cryptoguard at master routine, so that reach duplicate protection, and the purpose of strict monitoring;
6. the present invention considers effective management of actual aerating worker's easy to operate and gas station on function, adds various IO interface, and flexible and convenient to use to meet the needs of different users, scalability is good.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is each module connection diagram of the present invention;
Fig. 2 is the circuit board section plate face front view of control main board of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only for the present invention is described, rather than in order to limit protection scope of the present invention.
As shown in the figure, be applied to the full-automatic control system of CNG filling machine, described full-automatic control system comprises control main board, described control main board adopts six laminate circuit design, described control main board be provided with main control chip 16 and with joining memory module of main control chip and various interface circuit, described interface circuit comprises power interface 1, CAN communication interface 2, valve control plate control interface 3, travel switch interface 4, flow meter signal input interface 5, pressure sensor interface 6, display interface 7, online programming interface 7 and keyboard input interface 8, and electronic cipher lock interface 9, USB spare interface 10, receipt printer interface 11, IC card reader interface 12 and tax control interface 13, the effect division of each interface is as follows:
1) power interface: be used to insert the externally fed power supply, deliver to control main board after treatment; Adopt each isolated from power to handle, improve mutual interference rejection ability, increase system reliability,, realized that handle in the strange land between different electrical power (promptly taking different common ground) wherein at different power requirement;
2) CAN communication interface: the online in real time that is used between the center management system of control system and host computer is communicated by letter;
3) valve control plate control interface: be used for each valve control plate of control linkage, be connected with the solenoid valve of filling machine by valve control plate;
4) travel switch interface: be used to monitor the state of travel switch, after starting the course of work, send and control signal to valve control plate control interface, control opening of different solenoid valves by valve control plate control interface;
5) flow meter signal input interface: be used for the access flow meter, gather flow signal in real time and transfer to main control chip;
6) pressure sensor interface: be used for the cut-in pressure sensor, gather pressure signal in real time and transfer to main control chip;
7) display interface: be used to connect display device, show related data in real time, in the present embodiment, described display interface is two, comprise Chinese display interface 14 and number liquid display board interface 15, be respectively applied for the numeral that shows isoparametric Chinese character of expression state and expression quantity;
8) online programming interface: be used for the renewal of main control chip in house software, and the controlled variable of the system that is provided with that combines with keyboard;
9) USB spare interface: this interface is used for reading and storing of canbe used on line data, has been used for USB Host memory function integrated, when relieving, and can be directly by hardware canbe used on line data read and storage;
10) electronic cipher lock interface: be used for all hardware interface of control system is realized electronic locking.
The course of work of native system is as follows:
Start the course of work by the travel switch interface according to the state that is attached thereto the travel switch that connects, control chip sends and controls signal to the valve control interface, requirement according to control signal, open low by valve control plate, in, the solenoid valve that high pressure is different, if order aerating, then at first open low-voltage solenoid valve, if directly fill aerating, then directly open high-pressure solenoid valve, flowmeter and sensor are sent to main control chip with flow signal and the pressure signal that collects by flow meter signal input interface and pressure sensor interface respectively constantly for these, real-time aerating through control chip is controlled and data processing automatically, show that by Chinese display and number liquid output shows and monitoring then, meanwhile, when the center management system of control system and host computer communicates, by the CAN bus transfer aerating data are delivered to host computer, and form the transmission of real-time aerating condition monitoring and online data at host computer, order before before system can add according to the keyboard startup is (as quantitative aerating, the order aerating, directly fill aerating) judge, cut valve according to flow velocity in different threshold values high-set settings then, when flow velocity is lower than some values (this value is an adjustable value), just can stop aerating automatically, if quantitatively aerating, be added to quantitative high-set setting, also can stop aerating automatically.
Fig. 2 is the part plate face synoptic diagram of control main board of the present invention, as can be seen from the figure, what chip adopted is the high performance chips that Microchip company produces, control chip is positioned at the position, middle of plate face, in the left side of control chip side, arranged to reserve CAN communication interface 18 successively along order from top to bottom, CAN communication interface 2, valve control plate control interface 3, the edge from left to right arranges to have tax control interface 13 and IC card reader interface 12 successively above the right side of control chip 16, below control chip, arranged USB spare interface 10 successively along order from left to right, receipt printer interface 11 and memory module 17.This plate face design is succinct, all components and parts all adopt patch form, functional interface is concentrated, (middle bridge interface is adopted in the circuit control of some producer not need the intermediary interface circuit, its defective is the wire length that increases control, increased the fault occurrence rate, line increases to each other, whole control rate is not good), except on hardware, having accomplished specialized design and layout, and cooperatively interacting by middle high performance chips and software program, it is fast to reach control rate, function is strong, and is easy for installation, easily later period maintenance.
The present invention has comprehensively realized the Automatic Control of CNG aerating process in conjunction with the high integration technology of Computer Processing technology, new single chip machine technology and circuit design.Also combine the USB Host function and the present state-of-the-art CAN bus communication technology of Anti-Jamming Technique, rapid data processing, the hot plug of support simultaneously, adopting professional six laminates designs (on the filling machine product, belonging to initiative) on the hardware circuit design, realize high integration, high reliability, and powerful antijamming capability; In order to satisfy on-the-spot hommization action need, also on master control system the memory technology of integrated vast capacity and can online rights management (in order to realize " notch cuttype " management of gas station, rights management control is very important), in addition, also reserve a plurality of extensive interfaces, in case the expansion bottleneck problem,, have more the advantage and the technical advance of special product for product up-gradation and increased functionality from now on provide direct guarantee.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. be applied to the full-automatic control system of CNG filling machine, it is characterized in that: described full-automatic control system comprises control main board, described control main board adopts six laminate circuit design, described control main board be provided with main control chip and with joining memory module of main control chip and various interface circuit, described interface circuit comprises power interface, CAN communication interface, valve control plate control interface, travel switch interface, flow meter signal input interface, pressure sensor interface, display interface, keyboard input interface and online programming interface, wherein:
Power interface is used to insert the externally fed power supply, delivers to control main board after treatment;
The CAN communication interface, the online in real time that is used between the center management system of control system and host computer is communicated by letter;
Valve control plate control interface is used for each valve control plate of control linkage, is connected with the solenoid valve of filling machine by valve control plate;
The travel switch interface is used to start the course of work, sends to control signal to valve control plate control interface, controls opening of different solenoid valves by valve control plate control interface;
The flow meter signal input interface is used for the access flow meter, gathers flow signal in real time and transfers to main control chip;
Pressure sensor interface is used for the cut-in pressure sensor, gathers pressure signal in real time and transfers to main control chip;
Display interface is used to connect display device, shows related data in real time;
The online programming interface is used for the renewal of main control chip in house software, and the controlled variable of the system that is provided with that combines with keyboard.
2. the full-automatic control system that is applied to the CNG filling machine according to claim 1 is characterized in that: comprise also in the interface circuit of described system that USB spare interface, this interface are used for reading and storing of canbe used on line data.
3. the full-automatic control system that is applied to the CNG filling machine according to claim 1 and 2 is characterized in that: also comprise receipt printer interface and IC card reader interface in the interface circuit of described system.
4. the full-automatic control system that is applied to the CNG filling machine according to claim 1 is characterized in that: also comprise the electronic cipher lock interface in the interface circuit of described system, be used for all hardware interface of control system is realized electronic locking.
5. the full-automatic control system that is applied to the CNG filling machine according to claim 1 is characterized in that: described display interface comprises Chinese display interface and number liquid display interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110080321A CN102156421B (en) | 2011-03-31 | 2011-03-31 | Full-automatic control system used in CNG dispenser |
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| CN201110080321A CN102156421B (en) | 2011-03-31 | 2011-03-31 | Full-automatic control system used in CNG dispenser |
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| CN102156421A true CN102156421A (en) | 2011-08-17 |
| CN102156421B CN102156421B (en) | 2012-10-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496212A (en) * | 2011-12-26 | 2012-06-13 | 成都华气厚普电子技术有限公司 | Gas filler electric control system |
| CN102520285A (en) * | 2011-12-13 | 2012-06-27 | 北京七星华创电子股份有限公司 | Debugging system of electromagnetic regulating valve |
| CN102635780A (en) * | 2012-03-30 | 2012-08-15 | 重庆巨创计量设备股份有限公司 | Embedded control system applied to LNG (liquefied natural gas) dispensers |
| CN103869799A (en) * | 2014-04-09 | 2014-06-18 | 哈尔滨天源石化装备制造有限责任公司 | Integration platform suitable for real-time monitoring of gas station |
| CN108799828A (en) * | 2018-06-19 | 2018-11-13 | 沈阳科汇生产力促进中心有限公司 | A kind of tax control filling machine and aerating tax control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201487546U (en) * | 2009-07-31 | 2010-05-26 | 重庆巨创计量设备有限公司 | Gas filling machine with USB storage and transmission module |
| CN201539688U (en) * | 2009-07-31 | 2010-08-04 | 重庆巨创计量设备有限公司 | Embedded type operating control panel of CNG (compressed natural gas) dispenser |
| CN201651768U (en) * | 2010-03-16 | 2010-11-24 | 重庆中和天然气开发有限公司 | Safety monitoring system of CNG bottle group gas supplying station |
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2011
- 2011-03-31 CN CN201110080321A patent/CN102156421B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201487546U (en) * | 2009-07-31 | 2010-05-26 | 重庆巨创计量设备有限公司 | Gas filling machine with USB storage and transmission module |
| CN201539688U (en) * | 2009-07-31 | 2010-08-04 | 重庆巨创计量设备有限公司 | Embedded type operating control panel of CNG (compressed natural gas) dispenser |
| CN201651768U (en) * | 2010-03-16 | 2010-11-24 | 重庆中和天然气开发有限公司 | Safety monitoring system of CNG bottle group gas supplying station |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520285A (en) * | 2011-12-13 | 2012-06-27 | 北京七星华创电子股份有限公司 | Debugging system of electromagnetic regulating valve |
| CN102496212A (en) * | 2011-12-26 | 2012-06-13 | 成都华气厚普电子技术有限公司 | Gas filler electric control system |
| CN102635780A (en) * | 2012-03-30 | 2012-08-15 | 重庆巨创计量设备股份有限公司 | Embedded control system applied to LNG (liquefied natural gas) dispensers |
| CN102635780B (en) * | 2012-03-30 | 2014-09-17 | 重庆巨创计量设备股份有限公司 | Embedded control system applied to LNG (liquefied natural gas) dispensers |
| CN103869799A (en) * | 2014-04-09 | 2014-06-18 | 哈尔滨天源石化装备制造有限责任公司 | Integration platform suitable for real-time monitoring of gas station |
| CN108799828A (en) * | 2018-06-19 | 2018-11-13 | 沈阳科汇生产力促进中心有限公司 | A kind of tax control filling machine and aerating tax control method |
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| CN102156421B (en) | 2012-10-24 |
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Address after: 401329 Chongqing Jiulongpo Baishiyi town Hailong Village 8 Patentee after: Chongqing Juchuang Metering Equipment Co.,Ltd. Address before: 401120, No. 9, Yubei District Airport Industrial Park, Chongqing Patentee before: Chongqing Juchuang Metering Equipment Co.,Ltd. |