CN204922506U - Intelligence station accuse system of gas station - Google Patents
Intelligence station accuse system of gas station Download PDFInfo
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- CN204922506U CN204922506U CN201520647425.1U CN201520647425U CN204922506U CN 204922506 U CN204922506 U CN 204922506U CN 201520647425 U CN201520647425 U CN 201520647425U CN 204922506 U CN204922506 U CN 204922506U
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Abstract
The utility model provides an intelligence station accuse system of gas station, it includes: PLC total controller, host computer, the state information of gas station unit, the the control unit of gas station, the state information of PLC total controller connected signal gas station unit signal transmission terminal, the the control unit of gas station control end is connected to the PLC total controller control end, PLC total controller passes through the internet access host computer for carry out real -time monitoring control to the gas station. The utility model discloses can set up the interlocking function between each equipment, it has the function of promptly cutting off to meet the trouble, makes operation, the operation and safe all more intelligent of gas station.
Description
Technical field
The utility model relates to CNG gas station safety control field, particularly relates to a kind of gas station intelligent station Ore-controlling Role.
Background technique
The technological process of gas station is that pipeline carrys out gas, natural gas via is crossed regulator and is regulated pressure, after measuring gas and be how many, enter water separator dehydration, then enter compressor and pressure is compressed to 25MPa, carry out pressure distribution by sequence control dish again, the high-pressure natural gas after compression is delivered to filling machine to refueling.
Can find out that in above technological process the capital equipment of gas station is the valve that enters the station, pressure regulation metering sled, water separator, compressor, sequence control dish, filling machine.All each oneself the PLC control cabinet own of what current gas station entered the station that valve takes is Non-follow control, pressure regulation metering sled, water separator, compressor, sequence control dish and filling machine, PLC control cabinet generally adopts the touch screen of 7 cun control.Which results in following inconvenience:
1, the Operational Limits of whole gas station cannot effectively be monitored.
In fact gas station is exactly filtration pressure regulation to rock gas and assigning process, in this process, the degree of sulphur content water content and the pressure of gas holder in the change of gas pressure, rock gas, if understand these parameters, the touch screen just must ceaselessly clicked on compressor, pressure regulation metering sled, water separator control cabinet is checked, and is gone to scene to see H2S detector and gas holder manometric data on the spot.
2, effectively cannot monitor each equipment of gas station.
Because each equipment is that respective manufacturer produces, and the whole technological process of gas station needs the cooperation of each equipment to carry out, be go to operate at the control cabinet of each equipment or to device context according to operating standard by the staff of gas station in the running of gas station, this brings very large trouble and inconvenience to operation.
3, Safety function cannot effectively ensure.
The control of operation entirely by thinking of each equipment of gas station, cannot effectively interlock between each equipment, in other words equipment another equipment that breaks down cannot be cut off automatically, want manual cut off water separator, if operations staff's error just may cause equipment damage as compressor is cut off.
4, the process of urgency cannot be carried out.
When gas station is in an emergency, people cannot judge at that moment this how to process could by thing loss drop to minimum, due to equipment dispersion and also cannot carry out whole closedowns, the system of neither one emergency cut-off in a jumble.
Model utility content
The utility model is intended at least solve the technical problem existed in prior art, especially innovatively proposes a kind of gas station intelligent station Ore-controlling Role.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of gas station intelligent station Ore-controlling Role, and it comprises: PLC master controller, upper-position unit, gas station status information element, gas station control unit;
Described PLC master controller signal end connects gas station status information element Signal transmissions end, described PLC master controller control end connects gas station control unit control end, described PLC master controller connects upper-position unit by network, for carrying out real time monitoring control to gas station.
Described gas station intelligent station Ore-controlling Role, preferably, described gas station status information element comprises: pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, valve state monitor unit;
Pressure sensor signal collection terminal connects PLC master controller signal end, temperature sensor signal collection terminal connects PLC master controller signal end, flow sensor signal collection terminal connects PLC master controller signal end, combustible gas concentration sensor signals collecting end connects PLC master controller signal end, and valve state monitor signal collection terminal connects PLC master controller signal end.
The beneficial effect of technique scheme is: by the collaborative work of various kinds of sensors and monitoring unit, the job information of Real-time Collection gas station.
Described gas station intelligent station Ore-controlling Role, preferably, described gas station control unit comprises: compressor, water separator, power-supply controller of electric, analog data input unit;
Described compressor control end connects PLC master controller compressor control end, described water separator control end connects PLC master controller water separator control end, described power controller controls end connects PLC master controller power controller controls end, and described analog data input unit input end connects PLC master controller data input pin.
Described gas station intelligent station Ore-controlling Role, preferably, described PLC master controller is CPU314C.
Described gas station intelligent station Ore-controlling Role, preferably, described pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, installs Surge Protector between valve state monitor unit and PLC master controller, for preventing current overload respectively.
Described gas station intelligent station Ore-controlling Role, preferably, described power-supply controller of electric comprises: Surge Protector, power-supply filter and power module;
Three phase mains or uninterruptable power source (UPS) connect Surge Protector one end, and the described Surge Protector the other end connects power-supply filter one end, and the described power-supply filter the other end connects some power modules respectively.
The beneficial effect of technique scheme is: be that PLC master controller and peripheral unit are powered by power-supply controller of electric, stable in order to what ensure to power, carries out voltage stabilization and current stabilization by Surge Protector and power-supply filter to power end.
Described gas station intelligent station Ore-controlling Role, preferably, described analog data input unit is SM331, for input control order.
Described gas station intelligent station Ore-controlling Role, preferably, described power module is PS307.
Described gas station intelligent station Ore-controlling Role, preferably, also comprise the first signaling interface and secondary signal interface, described first signaling interface two ends connect gas station status information element and PLC master controller signal end respectively, and described secondary signal interface two ends connect gas station control unit and PLC master controller control end respectively.
The beneficial effect of technique scheme is: by the connection of signaling interface and PLC master controller, ensures that the data stabilization of transmission is accurate.
Described gas station intelligent station Ore-controlling Role, preferably, described compressor also comprises solenoid valve controller,
Described compressor control end connects some solenoid valve controllers, to be transmitted control signal Controlling solenoid valve controller by PLC master controller.
The beneficial effect of technique scheme is: control corresponding peripheral unit by solenoid valve controller, can arrange the interlock between each equipment, runs into the function that fault has emergency cut-off.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
The object of intelligent station Ore-controlling Role is the technological process centralized displaying of whole gas station on the display device of industrial computer, what operator were intuitively understood sees Operational Limits of entirely standing, the runnability of each equipment, simultaneously can at computer to each operate, interlock between each equipment can be set, run into the function that fault has emergency cut-off, make the operation of gas station, operation and safety all more intelligent.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the utility model general illustration;
Fig. 2 is the utility model power-supply controller of electric schematic diagram;
Fig. 3 is the utility model analog data input unit schematic diagram.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, first by PLC to the collection to data such as gas station pressure, temperature, flow, valve state, combustable gas concentrations, here gather and have two kinds of modes, one is directly tap into row collection by AI, DI interface direct to parameters such as temperature, pressure, flows, two is carry out communication by the PLC of communication bus and each equipment of gas station, as the PLC of compressor, water separator etc., to obtain its parameter.Carry out processing the judgement as logic, the analysis etc. of parameter in PLC after data capture comes.These processing result are carried out output by AO, DO interface of PLC control.Utilize configuration software to carry out configuration to whole gas station, show its technological process and device parameter, picture shows on computers, realizes the real-time of data be connected by computer and the communication of PLC.
PLC is to the acquisition mode of data: during to directly the gathering of parameter, parameter is divided into two classes one to be that to measure normally 4-20mA current signal two are on-off model to AI, can realize very easily gathering by AI, DI module of Siemens.When carrying out communication acquisition data by communication bus with the PLC of each equipment, now realize by current industrial conventional MODEBUS communications protocol with the communication of each compressor, dehydration, flowmeter at present, gathered by 485 communication modules of Siemens.
Process to data: PLC provides programming configuration function by the user interface of programming software Step7, controller is very easy to, simply realizes powerful controlling functions and powerful operational capability.It can not only completion logic computing, trigonometric function operation, exponent arithmetic and PID arithmetic, complicated matrix operation can also be carried out.Operating rate is very fast, and the quantity of the input/output module that can be with is a lot, and the kind of input and output module is also very comprehensive.This kind of programmable controller can complete the control task be on a grand scale, and controls the collection carrying out programming realization data of PLC, various computing, judgement, output.Processing result can carry out control display by output module output switch amount, exports analog amount and carries out showing and regulating.Realized by AI, DO module of Siemens.
Configuration shows: the configuration software WINCC using Siemens, and carry out configuration to gas station, whole configuration picture shows on computers, and WINCC is a general application program, is applicable to the solution of all industrial fields; Multilingual support, global general-use; Can be integrated in all automation solutions; Built-in all operations and management function, simply, effectively can carry out configuration; Can continue to extend by sing on web, adopt open standard, integrated easy; Be applicable to the solution of all industry and technical field.PLC transmits parameter, the data of gas station by the refresh rate that user specifies.The transmission of operation system automatically processing data; Whether the function of the intelligentized diagnostic system continuous monitoring system of CPU is normal, misregistration and special system event (such as: time-out, module replacing, etc.).
Intelligent station control techniques is mainly studied by the independent detailed process flow of the data capture (pressure, temperature, flow etc.) to refueling system important technical parameter, the technological process showing whole gas station with configuration figure intuitively and each equipment; thus reach whole gas station is monitored; simultaneously to control and the logical process of data; the overload alarm to parameter can be realized; the automatic adjustment that equipment runs; the interlock protection of equipment; the automatic control of production technology, the functions such as equipment emergency shutdown.
As shown in Figure 1, the utility model provides a kind of gas station intelligent station Ore-controlling Role, and it comprises: PLC master controller, upper-position unit, gas station status information element, gas station control unit;
Described PLC master controller signal end connects gas station status information element Signal transmissions end, described PLC master controller control end connects gas station control unit control end, described PLC master controller connects upper-position unit by network, for carrying out real time monitoring control to gas station.
Described gas station intelligent station Ore-controlling Role, preferably, described gas station status information element comprises: pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, valve state monitor unit;
Pressure sensor signal collection terminal connects PLC master controller signal end, temperature sensor signal collection terminal connects PLC master controller signal end, flow sensor signal collection terminal connects PLC master controller signal end, combustible gas concentration sensor signals collecting end connects PLC master controller signal end, and valve state monitor signal collection terminal connects PLC master controller signal end.
The beneficial effect of technique scheme is: by the collaborative work of various kinds of sensors and monitoring unit, the job information of Real-time Collection gas station.
Described gas station intelligent station Ore-controlling Role, preferably, described gas station control unit comprises: compressor, water separator, power-supply controller of electric, analog data input unit;
Described compressor control end connects PLC master controller compressor control end, described water separator control end connects PLC master controller water separator control end, described power controller controls end connects PLC master controller power controller controls end, and described analog data input unit input end connects PLC master controller data input pin.
Described gas station intelligent station Ore-controlling Role, preferably, described PLC master controller is CPU314C.
Described gas station intelligent station Ore-controlling Role, preferably, described pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, installs Surge Protector between valve state monitor unit and PLC master controller, for preventing current overload respectively.
As shown in Figure 2, described gas station intelligent station Ore-controlling Role, preferably, described power-supply controller of electric comprises: Surge Protector, power-supply filter and power module;
Input signal connects Surge Protector one end, and the described Surge Protector the other end connects power-supply filter one end, and the described power-supply filter the other end connects some power modules respectively.
The beneficial effect of technique scheme is: be that PLC master controller and peripheral unit are powered by power-supply controller of electric, stable in order to what ensure to power, carries out voltage stabilization and current stabilization by Surge Protector and power-supply filter to power end.
Described gas station intelligent station Ore-controlling Role, preferably, described analog data input unit is SM331, for input control order.
Described gas station intelligent station Ore-controlling Role, preferably, described power module is PS307.
Described gas station intelligent station Ore-controlling Role, preferably, also comprise the first signaling interface and secondary signal interface, described first signaling interface two ends connect gas station status information element and PLC master controller signal end respectively, and described secondary signal interface two ends connect gas station control unit and PLC master controller control end respectively.
The beneficial effect of technique scheme is: by the connection of signaling interface and PLC master controller, ensures that the data stabilization of transmission is accurate.
Described gas station intelligent station Ore-controlling Role, preferably, described compressor also comprises solenoid valve controller,
Described compressor control end connects some solenoid valve controllers, to be transmitted control signal Controlling solenoid valve controller by PLC master controller.
Be illustrated in figure 3 the analog data input unit of gas station intelligent station Ore-controlling Role.
Following advantage was had with not adopting the gas station contrast of station Ore-controlling Role in the past:
1, in the Operational Limits monitoring whole gas station, can the following parameter of centralized and unified supervision on computers:
2, the equipment of whole gas station is effectively monitored.
After adopting our system, the running state of each equipment as compressor, water separator, pressure regulation metering device can monitor on computers, also can carry out on off control to compressor etc. simultaneously.
3, to the guarantee of device security.
In systems in which, by writing the safety guarantee that can realize equipment to program, when compressor cycle coolant-temperature gage superelevation, start cooling tower feeding spraying pump and compressor cooling water is cooled, when the temperature of cooling water can not lower, continue to start blower fan and cooling water is cooled.Achieve the interlocked control of compressor and cooling tower, ensure that the safe operation of compressor.
4, to the process of urgency.
Be divided into two aspects to the process of urgency, one is setting emergency cut-off button, and when being in an emergency, personnel can by pressing the power supply that emergency cut-off button cuts off gas station air inlet or cuts off whole gas station.Two is the automatic process to urgency, when gas leakage probe has detected gas leakage, sending alarm signal reminds operations staff to note, if operations staff does not take reaction timely, and combustable gas concentration raises further, then system cuts off gas station power supply or compressor power automatically.
The software program of above-mentioned use is well known to those skilled in the art.
NPEXA-CM31 anti-explosion safety grid
Described PLC master controller is CPU314C.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a gas station intelligent station Ore-controlling Role, is characterized in that, comprising: PLC master controller, upper-position unit, gas station status information element, gas station control unit;
Described PLC master controller signal end connects gas station status information element Signal transmissions end, described PLC master controller control end connects gas station control unit control end, described PLC master controller connects upper-position unit by network, for carrying out real time monitoring control to gas station.
2. gas station according to claim 1 intelligent station Ore-controlling Role, is characterized in that, described gas station status information element comprises: pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, valve state monitor unit;
Pressure sensor signal collection terminal connects PLC master controller signal end, temperature sensor signal collection terminal connects PLC master controller signal end, flow sensor signal collection terminal connects PLC master controller signal end, combustible gas concentration sensor signals collecting end connects PLC master controller signal end, and valve state monitor signal collection terminal connects PLC master controller signal end.
3. gas station according to claim 1 intelligent station Ore-controlling Role, is characterized in that, described gas station control unit comprises: compressor, water separator, power-supply controller of electric, analog data input unit;
Described compressor control end connects PLC master controller compressor control end, described water separator control end connects PLC master controller water separator control end, described power controller controls end connects PLC master controller power controller controls end, and described analog data input unit input end connects PLC master controller data input pin.
4. gas station according to claim 1 intelligent station Ore-controlling Role, is characterized in that, described PLC master controller is CPU314C.
5. gas station according to claim 2 intelligent station Ore-controlling Role; it is characterized in that; described pressure transducer, temperature transducer, flow transducer, combustible gas concentration sensor, respectively Surge Protector is installed between valve state monitor unit and PLC master controller, for preventing current overload.
6. gas station according to claim 3 intelligent station Ore-controlling Role, it is characterized in that, described power-supply controller of electric comprises: Surge Protector, power-supply filter and power module;
Three phase mains or uninterruptable power source (UPS) connect Surge Protector one end, and the described Surge Protector the other end connects power-supply filter one end, and the described power-supply filter the other end connects some power modules respectively.
7. gas station according to claim 1 intelligent station Ore-controlling Role, is characterized in that, described analog data input unit is SM331, for input control order.
8. gas station according to claim 6 intelligent station Ore-controlling Role, is characterized in that, described power module is PS307.
9. gas station according to claim 1 intelligent station Ore-controlling Role, it is characterized in that, also comprise the first signaling interface and secondary signal interface, described first signaling interface two ends connect gas station status information element and PLC master controller signal end respectively, and described secondary signal interface two ends connect gas station control unit and PLC master controller control end respectively.
10. gas station according to claim 3 intelligent station Ore-controlling Role, it is characterized in that, described compressor also comprises solenoid valve controller,
Described compressor control end connects some solenoid valve controllers, to be transmitted control signal Controlling solenoid valve controller by PLC master controller.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094697A (en) * | 2016-08-23 | 2016-11-09 | 成都乾威科技有限公司 | Fault handling method based on vent gas treatment liquid filling all-in-one and system |
| CN107044585A (en) * | 2017-01-19 | 2017-08-15 | 张家港富瑞氢能装备有限公司 | The control system and method for skid-mounted type hydrogen filling apparatus |
| CN109032066A (en) * | 2018-10-30 | 2018-12-18 | 四川金星清洁能源装备股份有限公司 | A kind of FAT test platform based on PLC controller |
| CN109270886A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气集团公司 | Pipeline yard scene remote I/O control method |
| CN110286636A (en) * | 2019-05-31 | 2019-09-27 | 青海新源动力技术有限公司 | A kind of automatic control system and its control method of Stirling engine |
| CN110375196A (en) * | 2019-08-02 | 2019-10-25 | 上海舜华新能源系统有限公司 | A kind of management system of hydrogenation stations service rack |
| CN114125006A (en) * | 2021-12-01 | 2022-03-01 | 四川金星清洁能源装备股份有限公司 | Remote operation and maintenance service system for complete equipment of gas station |
-
2015
- 2015-08-26 CN CN201520647425.1U patent/CN204922506U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094697A (en) * | 2016-08-23 | 2016-11-09 | 成都乾威科技有限公司 | Fault handling method based on vent gas treatment liquid filling all-in-one and system |
| CN107044585A (en) * | 2017-01-19 | 2017-08-15 | 张家港富瑞氢能装备有限公司 | The control system and method for skid-mounted type hydrogen filling apparatus |
| CN109032066A (en) * | 2018-10-30 | 2018-12-18 | 四川金星清洁能源装备股份有限公司 | A kind of FAT test platform based on PLC controller |
| CN109270886A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气集团公司 | Pipeline yard scene remote I/O control method |
| CN110286636A (en) * | 2019-05-31 | 2019-09-27 | 青海新源动力技术有限公司 | A kind of automatic control system and its control method of Stirling engine |
| CN110375196A (en) * | 2019-08-02 | 2019-10-25 | 上海舜华新能源系统有限公司 | A kind of management system of hydrogenation stations service rack |
| CN110375196B (en) * | 2019-08-02 | 2022-02-01 | 上海舜华新能源系统有限公司 | Management system of hydrogenation station service cabinet |
| CN114125006A (en) * | 2021-12-01 | 2022-03-01 | 四川金星清洁能源装备股份有限公司 | Remote operation and maintenance service system for complete equipment of gas station |
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