CN104482398A - A CO2 gas charging control device and a control method - Google Patents
A CO2 gas charging control device and a control method Download PDFInfo
- Publication number
- CN104482398A CN104482398A CN201410561305.XA CN201410561305A CN104482398A CN 104482398 A CN104482398 A CN 104482398A CN 201410561305 A CN201410561305 A CN 201410561305A CN 104482398 A CN104482398 A CN 104482398A
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- China
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- plc
- electronic scale
- gas cylinder
- weight
- gas
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a gas charging device and a method, and particularly relates to a CO2 gas charging control device and a control method. A CO2 liquid cylinder manifold is connected to CO2 cylinders through head clamps. The CO2 cylinders are disposed on electronic scales. The electronic scales send weights of the CO2 cylinder to a PLC through signal transmission. The PLC is connected to a touch screen. A PLC on-off output terminal controls opening and closing of magnetic valves on charging pipelines through intermediate relays. According to the device and the method, problems of the potential safety hazards and unstable product weights, which are caused by human factors, are overcome, weighting devices are high in shock resistance, impact error is eliminated, and weight accuracy in a charging process is ensured.
Description
Technical field
The present invention relates to a kind of gas filling device, particularly relate to a kind of CO
2gas filling control gear and controlling method.
Background technique
Current domestic bottled CO
2filling equipment divides following a few class: one, filling equipment is by manual control CO
2cylinder filling weight, or equipment has weight additional alarm function.Two, the control system based on conputer controlled be made up of electronic scale, pressure transducer, solenoid valve, single-chip microcomputer, communication module and computer that Labview program is housed.
Adopt the shortcoming that produces of the said equipment and deficiency as follows:
1) the first equipment, the operation of the people that places one's entire reliance upon, CO
2gas cylinder fill quality and filling weight whether safety, all rely on the operation of individual, even if some equipment has installed weight additional alarm function additional, but due to CO
2gas cylinder weight is also incomplete same, although so cause and can ensure CO
2the needs of gas cylinder safely, but can not CO be ensured
2the normal capacity of gas cylinder fills.
2) the second equipment, although level of integration is higher, cost is low, is not suitable for vibrating greatly, noise is large, the large manufacturing shop of dust.
Summary of the invention
The object of the present invention is to provide one can accurate control CO
2cylinder filling amount, eliminates ballistic error, meets the CO filling demand for security
2gas filling control gear and controlling method.
The technology of the present invention adopted technological scheme that will solve the problem is achieved in that
A kind of CO
2gas filling control gear, comprising: electronic scale, solenoid valve, CO
2gas cylinder, PLC, touch screen, auxiliary reclay, CO
2liquid cylinder manifold is by dop and CO
2gas cylinder connects, CO
2gas cylinder is placed on electronic scale, and electronic scale is by CO
2gas cylinder weight is connected with touch screen to PLC, PLC by Signal transmissions, presets CO on the touchscreen
2gas cylinder gross weight, the gross weight of pressing setting is pressed filling button and is filled, PLC output switch parameter end controls the unlatching of loading line solenoid by auxiliary reclay, in filling process, the weight of electronic scale display is consistent with the weight that touch screen shows, after filling, Signal transmissions to PLC, PLC output switch parameter end is controlled the closedown of loading line solenoid by auxiliary reclay.
Described electronic scale instrument selects the electronic scale with modbus communication function.
Described touch screen selects HT7000 touch screen.
Further: electronic scale is by the RS485 serial communication interface of RS485 bus and PLC and connect, filling button on touch screen is connected with the input port of PLC, the output switch parameter end of PLC controls the keying of loading line solenoid by auxiliary reclay, PLC controls tutorial light and indicating fault lamp on/off by signaling line; Touch screen and PLC carry out communication by RS232 interface.
Tutorial light comprise filled tutorial light, break down tutorial light.
CO
2gas cylinder gross weight=CO
2gas cylinder net weight+CO
2cylinder filling weight+weight of attachment
The weight of attachment comprises rubber ring two, CO
2gas cylinder valve protection cap one.
A kind of CO
2gas filling controlling method: comprise the steps: CO
2gas cylinder is placed on electronic scale, electronic scale display CO
2gas cylinder net weight, presets CO on the touchscreen
2gas cylinder gross weight, by gross weight and the deviate of setting, setting formula: CO
2gas cylinder gross weight=CO
2gas cylinder net weight+CO
2cylinder filling weight+weight of attachment; Press filling button to carry out filling and rectifying a deviation, open the solenoid valve that PLC controls, start to fill CO
2gas cylinder, when electronic scale display numerical value equals set correction value, PLC output switch parameter end controls the closedown of loading line solenoid by auxiliary reclay, makes electronic scale show weight consistent with the weight that touch screen shows, unload gas cylinder, carry out next CO
2filling of gas cylinder.
The advantages that the present invention brings is as follows:
1, this device constructs CO
2gas filling Controlling model, develops PLC control program, have developed CO
2gas automatic Weighing, charging device, solve the problem of potential safety hazard that personal factor causes and product weight instability;
2, this device adopts digital communication technology, and parameter transmission is accurate, and system responses is rapid; Load cell shock resistance is strong, eliminates ballistic error, ensures the weight degree of accuracy of filling process;
3, this device meets GB 14193-2009 " liquid gas CO
2storage tank fills regulation " safety requirement, have parameter transmission accurate, system responses is rapid; Load cell shock resistance is strong, eliminates ballistic error, the weight degree of accuracy ensureing filling process and the Security filled.
Accompanying drawing explanation
Fig. 1 is program flow diagram of the present invention;
Fig. 2 is CO
2gas automatic filling workflow diagram;
Fig. 3 is CO
2gas automatic filling technology controlling and process sketch;
Fig. 4 is CO
2gas automatic filling example control program flow chart;
Fig. 5 is CO
2gas automatic filling operating diagram;
Equipment identity explanation in schematic diagram
1.CO
2gas reservoir 2. CO
2cryogenic liquid pump 3. solenoid valve 4. CO
2gas cylinder
5. electronic scale 6. dop 7. CO
2cylinder manifold 8, control cabinet 9. touch screen
10. fill tutorial light.
Embodiment
Embodiment 1
To the north of heavy group special gas operation portion CO
2gas automatic filling equipment is example.
1, prepare before work
The present invention adopts specific PLC, and CPU adopts LM3109 module.This controller have the logical operation function of computer and self carry load capacity.
(1) control hardware
LM3109 mono-piece (PLC), HT7000 touch screen (10 cun of screens) a piece, electronic scale instrument 4, solenoid valve 4, auxiliary reclay 8,4, button, tutorial light 4, communication cable one, control box 1, sky opens 1, CO
2gas cylinder 4, CO
2storage tank 2, electric piston pump 1.
LM3109 module is installed in control box, auxiliary reclay, communication cable, signaling line are several, control box panel installs HT7000 touch screen (10 cun of screens), button, tutorial light.
CO of the present invention
2gas reservoir 1 passes through CO
2cryogenic liquid pump 2 is promoted to CO
2liquid cylinder manifold 7 by dop 6 respectively with four CO
2gas cylinder 4 connects, CO
2gas cylinder 4 is placed on electronic scale 5, and electronic scale 5 is by CO
2gas cylinder 4 weight is by Signal transmissions on the PLC in control cabinet 8, and PLC is connected with the touch screen 9 on control cabinet 8, and PLC output switch parameter end controls opening and closing of topping up cylinder manifold 7 solenoid 3 by the auxiliary reclay in control cabinet 8;
Described tutorial light 10 is arranged on control cabinet 8, and described tutorial light 10 is four and has filled tutorial light, has filled tutorial light corresponding last electronic scale 5 respectively.
Main line connecting means is as follows:
By 1#, 2#, 3#, 4# totally 4 electronic scales 5 connect by the RS485 serial communication interface of PLC in RS485 bus and control cabinet 8, in the control cabinet 8 of control bus 7 solenoid 3, auxiliary reclay is connected with DI0.0, DI0.1, DI0.2, DI0.3 port of PLC respectively, gathers solenoid valve 3 on off state.The output switch parameter end of PLC in control cabinet 8---DO0.0, DO0.1, DO0.2, DO0.3 is arranged on CO respectively by auxiliary reclay control 1#, 2#, 3#, 4# solenoid valve 3(in control cabinet 8
2on feed liquor cylinder manifold 7) keying.The output switch parameter end of PLC in control cabinet 8---DO0.4, DO0.5, DO0.6, DO0.7 have filled tutorial light 10 light on and off by signaling line control 1#, 2#, 3#, 4#.
The output switch parameter end of PLC---DO1.0 controls the light on and off of fault indicating lamp.Touch screen 9 and PLC carry out communication by RS232 interface.
2. working procedure
1. place successively on 1 to No. 4 scale 5 and treat gas filling bottle 4, upper chuck 6, bottle-opening valve 3.
2. input at operation interface the net weight that 1 to No. 4 is treated gas filling bottle 4 successively.
3. open cylinder manifold 7 diffusion valve, low-temperature storage tank 1 liquid valve, carry out 7 rows' purging and liquor pump 2 precoolings of confluxing.
4., after precooling purges, cylinder manifold 7 diffusion valve is closed.
5. open No. 1, No. 3 solenoid valves 3, open cryogenic liquid pump 2, carry out gas cylinder 4 and fill.
6. treat that No. 1, No. 3 arbitraryly fill after complete tutorial light 10 lights, and open No. 2, No. 4 solenoid valves 3 rapidly.
7. change gas cylinder 4, re-enter gas cylinder 4 net weight, treat No. 2, No. 4 arbitrary fill after, open No. 1, No. 3 solenoid valves 2 and fill.
8. fill and so forth, until fill end.
Claims (6)
1. a CO
2gas filling control gear, is characterized in that, comprising: electronic scale, solenoid valve, CO
2gas cylinder, PLC, touch screen, auxiliary reclay, CO
2liquid cylinder manifold is by dop and CO
2gas cylinder connects, CO
2gas cylinder is placed on electronic scale, and electronic scale is by CO
2gas cylinder weight is connected with touch screen to PLC, PLC by Signal transmissions, and PLC output switch parameter end controls opening and closing of loading line solenoid by auxiliary reclay.
2. CO according to claim 1
2gas filling control gear, is characterized in that, the electronic scale with modbus communication function selected by electronic scale.
3. CO according to claim 1
2gas filling control gear, is characterized in that, touch screen selects HT7000 touch screen.
4. CO according to claim 1
2gas filling control gear, it is characterized in that, described electronic scale is by the RS485 serial communication interface of RS485 bus and PLC and connect, filling button on touch screen is connected with the input port of PLC, the output switch parameter end of PLC controls the keying of loading line solenoid by auxiliary reclay, PLC controls tutorial light and indicating fault lamp on/off by signaling line; Touch screen and PLC carry out communication by RS232 interface.
5. CO according to claim 1
2gas filling control gear, is characterized in that, tutorial light comprise filled tutorial light, break down tutorial light.
6. a CO
2gas filling controlling method: comprise the steps: CO
2gas cylinder is placed in electronic scale display CO on electronic scale
2gas cylinder net weight, presets CO on the touchscreen
2gas cylinder gross weight, by gross weight and the deviate of setting, setting formula: CO
2storage tank gross weight=CO
2storage tank net weight+CO
2storage tank bagging weight+weight of attachment; Press filling button to carry out filling and rectifying a deviation, open the solenoid valve that PLC controls, start to fill CO
2gas cylinder, when electronic scale display numerical value equals set correction value, PLC output switch parameter end controls the closedown of loading line solenoid by auxiliary reclay, makes electronic scale show weight consistent with the weight that touch screen shows, unload gas cylinder, carry out next CO
2filling of gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561305.XA CN104482398A (en) | 2014-10-21 | 2014-10-21 | A CO2 gas charging control device and a control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561305.XA CN104482398A (en) | 2014-10-21 | 2014-10-21 | A CO2 gas charging control device and a control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104482398A true CN104482398A (en) | 2015-04-01 |
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ID=52756972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561305.XA Pending CN104482398A (en) | 2014-10-21 | 2014-10-21 | A CO2 gas charging control device and a control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482398A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327696A (en) * | 2017-08-10 | 2017-11-07 | 丹阳市方蓝气体设备有限公司 | Platform-type green charging system |
| CN109209378A (en) * | 2018-11-27 | 2019-01-15 | 永州市鑫东森机械装备有限公司 | Filling liquid work system applied to carbon dioxide mobile workstation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100912U (en) * | 1991-09-04 | 1992-04-08 | 欧阳才峰 | Microcomputer controlled automatic metering inflation machine |
| JP2003065495A (en) * | 2001-08-28 | 2003-03-05 | Nippon Sanso Corp | Mixed gas charging method and device |
| JP2004116602A (en) * | 2002-09-25 | 2004-04-15 | Honda Motor Co Ltd | Device for grasping gas remaining quantity |
| CN1546902A (en) * | 2003-12-12 | 2004-11-17 | 张鹏程 | CO2 application and air charging system used thereof |
| CN103032672A (en) * | 2012-12-25 | 2013-04-10 | 煤炭科学研究总院 | Automatic quick filling system |
| CN203431490U (en) * | 2013-08-29 | 2014-02-12 | 衢州铭泰仪器设计有限公司 | Automatic control device of steel cylinder gas bus bar based on PLC (Programmable Logic Controller) |
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2014
- 2014-10-21 CN CN201410561305.XA patent/CN104482398A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100912U (en) * | 1991-09-04 | 1992-04-08 | 欧阳才峰 | Microcomputer controlled automatic metering inflation machine |
| JP2003065495A (en) * | 2001-08-28 | 2003-03-05 | Nippon Sanso Corp | Mixed gas charging method and device |
| JP2004116602A (en) * | 2002-09-25 | 2004-04-15 | Honda Motor Co Ltd | Device for grasping gas remaining quantity |
| CN1546902A (en) * | 2003-12-12 | 2004-11-17 | 张鹏程 | CO2 application and air charging system used thereof |
| CN103032672A (en) * | 2012-12-25 | 2013-04-10 | 煤炭科学研究总院 | Automatic quick filling system |
| CN203431490U (en) * | 2013-08-29 | 2014-02-12 | 衢州铭泰仪器设计有限公司 | Automatic control device of steel cylinder gas bus bar based on PLC (Programmable Logic Controller) |
Non-Patent Citations (1)
| Title |
|---|
| 颜福裕等: "15m³工业液态二氧化碳充装站设计", 《城市建设理论研究》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327696A (en) * | 2017-08-10 | 2017-11-07 | 丹阳市方蓝气体设备有限公司 | Platform-type green charging system |
| CN109209378A (en) * | 2018-11-27 | 2019-01-15 | 永州市鑫东森机械装备有限公司 | Filling liquid work system applied to carbon dioxide mobile workstation |
| CN109209378B (en) * | 2018-11-27 | 2024-04-19 | 湖南烈岩科技有限公司 | Liquid filling working system applied to carbon dioxide mobile working station |
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Application publication date: 20150401 |