CN101776205B - Filling controller of hazardous chemical gas cylinder - Google Patents
Filling controller of hazardous chemical gas cylinder Download PDFInfo
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- CN101776205B CN101776205B CN2009102489384A CN200910248938A CN101776205B CN 101776205 B CN101776205 B CN 101776205B CN 2009102489384 A CN2009102489384 A CN 2009102489384A CN 200910248938 A CN200910248938 A CN 200910248938A CN 101776205 B CN101776205 B CN 101776205B
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- circuit
- gas cylinder
- chip microcomputer
- hazardous chemical
- chemical gas
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Abstract
The invention relates to a filling controller of a hazardous chemical gas cylinder. A commercial power input end, an air-filing signal input end and a switch signal output end are arranged on the shell of the filling controller; a circuit board is arranged in the shell and provided with an air-filing control circuit; the air-filing control circuit comprises a single chip microcomputer circuit anda drive circuit which are connected, a single chip microcomputer is connected with a serial communication module, the P0 port of the single chip microcomputer is connected with the drive circuit; thedrive circuit comprises a triode circuit and an optocoupler circuit which are connected together, the base circuit of the triode is connected with the P0 port of the single chip microcomputer, the input end of the optocoupler circuit is connected in the emitter circuit of the triode in series, and the output end of the optocoupler circuit is connected with the switch signal output end of the shell. When the filling controller of the invention is used for filling gas in a hazardous chemical gas cylinder which meets air-filing demands, the single chip microcomputer outputs a control signal to the drive circuit and the drive circuit outputs an opening signal of an electromagnetic valve. When the hazardous chemical gas cylinder is monitored, no influence of the personal factor is caused, supervision and execution are convenient, the working efficiency and accuracy are high, and the monitoring range is wide.
Description
Technical field
The present invention relates to a kind of maintenance device of hazardous chemical gas cylinder, particularly a kind of filling controller of hazardous chemical gas cylinder.
Background technique
Chemical gas such as liquid chlorine, liquid nitrogen, acetylene, oxygen, rock gas, liquefied petroleum gas (LPG) are poisonous, inflammable and explosive hazardous chemical gas; hazardous chemical gas is to be contained in the steel cylinder under high pressure conditions when producing, managing, store, transport, use and discarded hazardous chemical disposed; the steel cylinder of this splendid attire hazardous chemical gas is called hazardous chemical gas cylinder; in people's productive life, there is a large amount of hazardous chemical gas cylinders to disperse to use; daily life cooking liquefied petroleum ga steel cylinder particularly, quantity is big, using scope is wide.A large amount of hazardous chemical gas cylinders that disperse to use are a bigger security incident hidden danger in the society.For the safety of people's productive life, should implement safe and reliable supervision to hazardous chemical gas cylinder.Hazardous chemical gas cylinder has the quality standard of product; hazardous chemical gas cylinder in use needs regular detection; hazardous chemical gas cylinder has certain working life; for hazardous chemical gas cylinder is implemented safe and reliable supervision; when each inflation; should judge whether this hazardous chemical gas cylinder meets the inflation requirement by the use standard and the management expectancy of hazardous chemical gas cylinder, whether decision gives this hazardous chemical gas cylinder inflation.In the prior art; supervision to the hazardous chemical gas cylinder inflation is very simple, is to hazardous chemical gas cylinder numbering, record by hand mostly in certain using scope; the method of artificial enquiry judges whether hazardous chemical gas cylinder meets the inflation requirement, and whether decision opens air valve in inflation port is inflated to hazardous chemical gas cylinder.This method of hazardous chemical gas cylinder being implemented the inflation supervision; fully by manual operation; the personal factor influence is big; trouble is carried out in supervision; supervision efficient is low, and the supervision poor accuracy is difficult to hazardous chemical gas cylinder in the bigger use scope is implemented supervision; careless slightly to the gas cylinder safely performance checking in filling process, very easily cause gas cylinder to fill to potential safety hazard is arranged.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of artificial factor affecting that do not have is provided, supervision is carried out convenient, supervision efficient height, and the supervision accuracy is good, can implement the filling controller of hazardous chemical gas cylinder of supervision to hazardous chemical gas cylinder in the bigger use scope.
The present invention is achieved using the following method.
Filling controller of hazardous chemical gas cylinder has housing, and 220 volts of mains electricity input end, inflation signal input part, switching signal output terminal are arranged on the housing, and circuit board is arranged in the housing, and the ventilating control circuit is arranged on the circuit board,
The ventilating control circuit has continuous single chip circuit, drive circuit and power supply circuits,
The input end of power supply circuits links to each other with mains electricity input end on the housing, and the output terminal of power supply circuits has 5 volts of Vcc output terminals and 220 volts of output terminals,
Single chip circuit has the single-chip microcomputer of receiving behind the input signal to the control program of drive circuit output control signal, single-chip microcomputer is connected with clock circuit, reset circuit and serial communication module, the serial communication port of single-chip microcomputer links to each other with the serial communication port of serial communication module, the P0 mouth of single-chip microcomputer links to each other with drive circuit, the input end of serial communication module links to each other with inflation signal input part on the housing
Drive circuit has continuous transistor circuit and photoelectric coupled circuit, transistor base circuit in the transistor circuit links to each other with the P0 mouth of single-chip microcomputer, the input end of photoelectric coupled circuit is connected in the transistor emitter circuit, in two electric contacts of photoelectric coupled circuit output terminal, an electric contact links to each other with the live wire of 220 volts of civil powers, an electric contact of switching signal output terminal links to each other on another electric contact and the housing, another electric contact of switching signal output terminal links to each other with the zero line of 220 volts of civil powers on the housing, and the collector electrode of triode connects the Vcc power supply.
The present invention can inflate the inflation of field control to hazardous chemical gas cylinder at hazardous chemical gas cylinder.
On the hazardous chemical gas cylinder of the present invention's supervision radio-frequency (RF) tag to be arranged.
The present invention need cooperate preposition hazardous chemical gas cylinder inspection device and the solenoid valve on inflation port place pipeline to use.
The hazardous chemical gas cylinder inspection device has radio-frequency (RF) tag recognizer and the microcomputer that links to each other with recognizer; in the microcomputer to some extent the use standard of database, the hazardous chemical gas cylinder of the hazardous chemical gas cylinder basic data of supervision and management expectancy and by the use standard of hazardous chemical gas cylinder and management expectancy judge whether this hazardous chemical gas cylinder meets inflation requirements, to meeting the program that signal is inflated in output that inflation requires, the serial output terminal of microcomputer links to each other with inflation signal input part on the housing.The electric contact of solenoid valve links to each other with switching signal output terminal on the housing by civil power on the inflation port place pipeline.
Drive circuit of the present invention can have a plurality of continuous transistor circuits and photoelectric coupled circuit, in order to control a plurality of inflation port.
During use; at the inflation port place; read radio-frequency (RF) tag on the empty hazardous chemical gas cylinder to be inflated with the radio-frequency (RF) tag recognizer; read information pass to microcomputer; microcomputer extracts the basic data of this hazardous chemical gas cylinder in the database; judge by the use standard of hazardous chemical gas cylinder and management expectancy whether this hazardous chemical gas cylinder meets inflation requirements, export the inflation signal to what meet the inflation requirement to the present invention; after the present invention receives the inflation signal; single-chip microcomputer is exported control signal to drive circuit; drive circuit output solenoid valve is opened signal, allows to this hazardous chemical gas cylinder inflation.
The present invention is when hazardous chemical gas cylinder is inflated; the hazardous chemical gas cylinder that meets the inflation requirement is exported control signal with single-chip microcomputer to drive circuit; drive circuit output solenoid valve is opened signal; permission is implementing do not have artificial factor affecting in the supervision to this hazardous chemical gas cylinder inflation to hazardous chemical gas cylinder; supervision is carried out convenient; supervision efficient height, the supervision accuracy is good, can implement supervision to the hazardous chemical gas cylinder in the bigger use scope.
Below in conjunction with accompanying drawing, the present invention is further described.
Description of drawings
Fig. 1 cuts open schematic representation according to the three-dimensional office of a kind of filling controller of hazardous chemical gas cylinder of invention scheme proposition of the present invention;
Fig. 2 is the electrical schematic diagram of ventilating control circuit;
Fig. 3 is a single-chip microcomputer inner control flow diagram.
Embodiment
Among Fig. 1, Fig. 2, filling controller of hazardous chemical gas cylinder has housing 1, has on the housing in power input 2, inflation signal input part 3, four switching signal output terminals 4, the housing circuit board 5 is arranged, and the ventilating control circuit is arranged on the circuit board,
The ventilating control circuit has continuous single chip circuit DPJ, drive circuit DCF and power supply circuits GD,
The input end of power supply circuits links to each other with mains electricity input end on the housing, and the output terminal of power supply circuits has the live wire output terminal-220V and the Vcc volt output terminal 5V of the live wire output terminal+220V of 220 volts of civil powers, 220 volts of civil powers,
It is the single-chip microcomputer U1 of STC89C52 that single chip circuit has model, single-chip microcomputer is connected with the serial communication module U2 that clock circuit 6, reset circuit 7 and model are MAX232, serial communication port RXD, the TXD of single-chip microcomputer links to each other with serial communication port R1OUT, the T1IN of serial communication module, the P0 mouth of single-chip microcomputer links to each other with drive circuit, the input end RI output terminal TO of serial communication module links to each other with the inflation signal input part on the housing
Drive circuit has continuous transistor circuit SJG and photoelectric coupled circuit GO, four triode Q1 are arranged in the transistor circuit, Q2, Q3, Q4, photoelectric coupled circuit has four optical coupler OPTO1, OPTO2, OPTO3, OPTO4, triode Q1, Q2, Q3, the base circuit of Q4 respectively with the P00 of single-chip microcomputer, P01, P02, the P03 mouth links to each other, the input end K11 of four optical couplers, K12, K21, K22, K31, K32, K41, K42 is connected on triode Q1 respectively, Q2, Q3, in the emitter circuit of Q4, the collector electrode of triode connects the Vcc power supply
In four optical couplers in two electric contacts of each optical coupler output terminal, an electric contact links to each other with the live wire of 220 volts of civil powers, two electric contact CRT1, CRT2 of each switching signal output terminal of four switching signal output terminals on the housing, CRT3, CRT4, CRT5, CRT6, among CRT7, the CRT8, electric contact CRT2, CRT4, CRT6 and a CRT8 link to each other with the zero line of 220 volts of civil powers, and another electric contact CRT1, CRT3, CRT5 and CRT7 link to each other with another electric contact of optical coupler output terminal respectively.
Among Fig. 3, single-chip microcomputer has control program, and the control program in the single-chip microcomputer is:
Beginning, the initialization single-chip microcomputer, whether judgement communicates by letter unobstructed with upper-position unit, if obstructed, turn to the initialization single-chip microcomputer, if unobstructed, wait for received signal, judged whether the signal input, if there is not the signal input, turn to the wait received signal,, judge and open which solenoid valve if the signal input is arranged, if there is not openable solenoid valve, turn to the wait received signal, if openable solenoid valve is arranged, open corresponding tutorial light, open the respective electrical magnet valve, judge whether the respective electrical magnet valve is opened, if the respective electrical magnet valve is not opened, turn to buzzer warning, if the respective electrical magnet valve is opened, gas cylinder is filled, judge which gas cylinder is finished to fill, do not fill if finish, turn to gas cylinder is filled, fill, close the respective electrical magnet valve if finish, judge whether the respective electrical magnet valve closes, if there is solenoid valve not to be closed, turn to buzzer warning, if solenoid valve is closed, close corresponding tutorial light, finish.
In the transistor circuit and photoelectric coupled circuit that links to each other in the drive circuit of above-mentioned filling controller of hazardous chemical gas cylinder; four triodes are arranged in the transistor circuit; photoelectric coupled circuit has four optical couplers, and the switching signal output terminal is four on the housing, and the gas-filling station of four inflation port is arranged corresponding to supervision.For the gas-filling station that a greater number inflation port is arranged, in the triode quantity in the filling controller of hazardous chemical gas cylinder drive circuit transistor circuit, the photoelectric coupled circuit on optical coupler quantity and the housing quantity of switching signal output terminal identical with inflation port quantity.
Optical coupler quantity can be 2～16 in triode quantity in the filling controller of hazardous chemical gas cylinder drive circuit transistor circuit and the photoelectric coupled circuit.
When inflate hazardous chemical gas cylinder at hazardous chemical gas cylinder inflation scene, whether normally export solenoid valve unlatching signal solenoid valve is opened, to judging the fault in the gas replenishment process effect is significantly arranged.In order when the electromagnetic valve switch signal can not normally be exported, to send alarm signal, in the ventilating control circuit solenoid valve status circuit can also be arranged.
Among Fig. 2, with respect in the ventilating control circuit in the filling controller of hazardous chemical gas cylinder of above-mentioned four inflation port of supervision solenoid valve status circuit ZT being arranged, the solenoid valve status circuit has continuous operation amplifier circuit YF, power module DM circuit and warning circuit BJ,
Operation amplifier circuit has four identical operational amplifier U5A, U5B, U5C, U5D, and each operational amplifier has identical connecting circuit, and existing is the example explanation with operational amplifier U5A circuit:
The anode of operational amplifier U5A is through resistance R 18 ground connection, anode links to each other with 3 pin of power module U3 through resistance R 19, negative terminal is through resistance R 20 ground connection, the power supply termination Vcc power supply of operational amplifier U5A, grounding end ground connection, output terminal is connected to the p12 mouth of single-chip microcomputer through resistance R 21, is connected with the potentiometer RW1 that regulates magnification factor between output terminal and the negative terminal, the Vcc power supply is connected to through diode D5 in the middle of the p12 of resistance R 21 and single-chip microcomputer and by filter capacitor C12 ground connection
Power module circuitry has four identical power module U3, U4, U5, U6, and 1,2 pin of four power modules link to each other with four switching signal output terminals on the housing respectively, and 3 pin of four power modules link to each other with 3 ends of operational amplifier through resistance respectively,
Warning circuit has triode Q5, and the extremely basic circuit of triode Q5 links to each other with the P04 mouth of single-chip microcomputer, and emitter circuit is connected with buzzer B1.
When the output terminal of optical coupler did not have start signal output, the operational amplifier output alarm signal sent to warning circuit through single-chip microcomputer, and buzzer sends alarm sound.
Accordingly for the gas-filling station that a greater number inflation port is arranged, the operational amplifier quantity of the solenoid valve status circuit in the ventilating control circuit is identical with inflation port quantity with the power module quantity of power module circuitry.The operational amplifier quantity of the solenoid valve status circuit in the ventilating control circuit and the power module quantity of power module circuitry can be 2～16, are used for using at the gas-filling station that 2～16 inflation port are arranged.
Claims (5)
1. a filling controller of hazardous chemical gas cylinder has housing, and 220 volts of mains electricity input end are arranged on the housing, it is characterized in that: inflate signal input part, switching signal output terminal on the housing in addition, circuit board is arranged in the housing, the ventilating control circuit is arranged on the circuit board,
The ventilating control circuit has continuous single chip circuit, drive circuit and power supply road,
The input end of power supply circuits links to each other with mains electricity input end on the housing, and the output terminal of power supply circuits has 5 volts of Vcc output terminals and 220 volts of civil power output terminals,
Single chip circuit has the single-chip microcomputer of receiving behind the input signal to the control program of drive circuit output control signal, single-chip microcomputer is connected with clock circuit, reset circuit and serial communication module, the serial communication port of single-chip microcomputer links to each other with the serial communication port of serial communication module, the P0 mouth of single-chip microcomputer links to each other with drive circuit, the input end of serial communication module links to each other with inflation signal input part on the housing
Drive circuit has continuous transistor circuit and photoelectric coupled circuit, transistor base circuit in the transistor circuit links to each other with the P0 mouth of single-chip microcomputer, the input end of photoelectric coupled circuit is connected in the transistor emitter circuit, in two electric contacts of photoelectric coupled circuit output terminal, an electric contact links to each other with the live wire of 220 volts of civil powers, an electric contact of switching signal output terminal links to each other on another electric contact and the housing, another electric contact of switching signal output terminal links to each other with the zero line of 220 volts of civil powers on the housing, and the collector electrode of triode connects the Vcc power supply.
2. by the described filling controller of hazardous chemical gas cylinder of claim 1, it is characterized in that: in the triode quantity in the described transistor circuit, the photoelectric coupled circuit on optical coupler quantity and the housing quantity of switching signal output terminal be 2～16.
3. by claim 1 or 2 described filling controller of hazardous chemical gas cylinder, it is characterized in that: in the described ventilating control circuit solenoid valve status circuit is arranged, the solenoid valve status circuit has continuous operation amplifier circuit, power module circuitry and warning circuit,
Operation amplifier circuit has operational amplifier, the anode of operational amplifier is through first resistance eutral grounding, anode links to each other with 3 pin of power module through second resistance, negative terminal is through the 3rd resistance eutral grounding, the power supply termination Vcc power supply of operational amplifier, grounding end ground connection, output terminal is connected to the p1 mouth of single-chip microcomputer through the 4th resistance, be connected with the potentiometer of regulating magnification factor between output terminal and the negative terminal, the Vcc power supply is connected to by diode in the middle of the p1 of the 5th resistance and single-chip microcomputer and through filter capacitor ground connection
Power module circuitry has power module, and 1,2 pin of power module link to each other with switching signal output terminal on the housing, and 3 pin of power module link to each other with 3 ends of operational amplifier through the 6th resistance,
Warning circuit has the warning triode, and the extremely basic circuit of warning triode links to each other with another mouthful of the P0 mouth of single-chip microcomputer, and emitter circuit is connected with buzzer.
4. by claim 1 or 2 described filling controller of hazardous chemical gas cylinder, it is characterized in that: described single-chip microcomputer is the device with following control program:
Beginning, the initialization single-chip microcomputer, whether judgement communicates by letter unobstructed with upper-position unit, if obstructed, turn to the initialization single-chip microcomputer, if unobstructed, wait for received signal, judged whether the signal input, if there is not the signal input, turn to the wait received signal,, judge and open which solenoid valve if the signal input is arranged, if there is not openable solenoid valve, turn to the wait received signal, if openable solenoid valve is arranged, open corresponding tutorial light, open the respective electrical magnet valve, judge whether the respective electrical magnet valve is opened, if the respective electrical magnet valve is not opened, turn to buzzer warning, if the respective electrical magnet valve is opened, gas cylinder is filled, judge which gas cylinder is finished to fill, do not fill if finish, turn to gas cylinder is filled, fill, close the respective electrical magnet valve if finish, judge whether the respective electrical magnet valve closes, if there is solenoid valve not to be closed, turn to buzzer warning, if solenoid valve is closed, close corresponding tutorial light, finish.
5. by the described filling controller of hazardous chemical gas cylinder of claim 3, it is characterized in that: described single-chip microcomputer is the device with following control program:
Beginning, the initialization single-chip microcomputer, whether judgement communicates by letter unobstructed with upper-position unit, if obstructed, turn to the initialization single-chip microcomputer, if unobstructed, wait for received signal, judged whether the signal input, if there is not the signal input, turn to the wait received signal,, judge and open which solenoid valve if the signal input is arranged, if there is not openable solenoid valve, turn to the wait received signal, if openable solenoid valve is arranged, open corresponding tutorial light, open the respective electrical magnet valve, judge whether the respective electrical magnet valve is opened, if the respective electrical magnet valve is not opened, turn to buzzer warning, if the respective electrical magnet valve is opened, gas cylinder is filled, judge which gas cylinder is finished to fill, do not fill if finish, turn to gas cylinder is filled, fill, close the respective electrical magnet valve if finish, judge whether the respective electrical magnet valve closes, if there is solenoid valve not to be closed, turn to buzzer warning, if solenoid valve is closed, close corresponding tutorial light, finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102489384A CN101776205B (en) | 2009-12-29 | 2009-12-29 | Filling controller of hazardous chemical gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102489384A CN101776205B (en) | 2009-12-29 | 2009-12-29 | Filling controller of hazardous chemical gas cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN101776205A CN101776205A (en) | 2010-07-14 |
| CN101776205B true CN101776205B (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102489384A Expired - Fee Related CN101776205B (en) | 2009-12-29 | 2009-12-29 | Filling controller of hazardous chemical gas cylinder |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661845U (en) * | 2009-12-29 | 2010-12-01 | 辽宁省标准化研究院 | Dangerous chemical gas cylinder charging controller |
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- 2009-12-29 CN CN2009102489384A patent/CN101776205B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661845U (en) * | 2009-12-29 | 2010-12-01 | 辽宁省标准化研究院 | Dangerous chemical gas cylinder charging controller |
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| CN101776205A (en) | 2010-07-14 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Dehai Inventor after: Yang Lihong Inventor after: Zhao Yunzhi Inventor after: Wang Liangquan Inventor after: Liang Xuyu Inventor after: Hong Wei Inventor after: Wang Xue Inventor after: Wang Yubo Inventor before: Wang Dehai Inventor before: Yang Lihong Inventor before: Zhao Yunzhi Inventor before: Wang Liangquan Inventor before: Liang Xuyu Inventor before: Hong Wei Inventor before: Wang Xue |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG DEHAI YANG LIHONG ZHAO YUNZHI WANG LIANGQUAN LIANG XUYU HONG WEI WANGXUE TO: WANG DEHAI YANG LIHONG ZHAO YUNZHI WANG LIANGQUAN LIANG XUYU HONG WEI WANG XUE WANG YUBO |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20121229 |