CN204129520U - The making gas ordorous controller of a kind of explosion-proof type networking - Google Patents
The making gas ordorous controller of a kind of explosion-proof type networking Download PDFInfo
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- CN204129520U CN204129520U CN201420663936.8U CN201420663936U CN204129520U CN 204129520 U CN204129520 U CN 204129520U CN 201420663936 U CN201420663936 U CN 201420663936U CN 204129520 U CN204129520 U CN 204129520U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses the making gas ordorous controller of a kind of explosion-proof type networking, comprise an embedded controller, multiple functional module carries out explosion-proofly adding smelly control.The utility model meets 1st district and 2 district II group gas requirement of explosion proof, and by duty and data upload to internet, make the staff away from working site also can obtain the working condition of controller easily, can controller remote maintenance be carried out and remote intervention adds smelly operation.Especially the technique being applicable to being applied in the explosion danger occasions such as combustion gas is on-the-spot.
Description
Technical field
The utility model relates to gas transmission and distribution equipment, and especially fuel gas transmission adds smelly auto-control device technique field.
Background technology
Many industrial sectors such as oil, chemical industry, coal, national defence, in each process of producing, process, transport and storing, often may reveal or various flammable explosive gas, liquid and various dust and the fiber of shedding that overflow.After this kind of material mixes with air, the potpourri with explosion danger may be become, when the concentration of potpourri reaches explosion ratio scope, once occur that namely burning things which may cause a fire disaster can set off an explosion and the major accident such as breaking out of fire.Utilize odorization machine to add malodorant to gas pipe line, reach making gas ordorous object.The situation of current product:
1, embedded type adds smelly controller and utilizes single-chip microcomputer and micro-ly beat technology, control surely print system works situation by hand or automatically by parameters simultaneously, by receiving the analog signals of gas flow, the calculating realization realizing malodorant amount adds smelly automatically, and the deficiency of existence has:
(1) do not have explosion prevention function, can only be applied in security context, as pulpit, station, the technique that can not be used in dangerous blast occasion is on-the-spot;
(2) do not have network interface, being difficult to combines with the ethernet communication control system of increasingly extensive use realizes remote monitoring;
(3) automatically add and smellyly need analog input interface, to receive gas flow information, which increase and automatically add smelly cost.
2. industry control type adds smelly controller and utilizes industrial control computer carry out the collection of gas flow data and add the driving of smelly pump, and use configuration software producer machine interactive interface, the function adding smelly controller is completed by interface operation, as two-way adds smelly automatically, manually add smelly, add smelly state display etc.The shortcoming existed is:
(1) although this quasi-controller flexible function, as suitably function etc. can be increased by host computer interface, but because the functional requirement adding smelly controller itself is limited, so utilize special industrial computer and configure configuration software in fact for wasting one's talent on a petty job, the cost of empty control device;
(2) volume is large, is difficult to realize explosion prevention function, and the technique that should not be placed on dangerous explosion environment is on-the-spot.
Utility model content
In view of the above deficiency of prior art, the utility model is intended to automatically gather combustion gas/gas flow signal by embedded controller and related function module thereof, and drive and add smelly pump and automatically add smelly to combustion gas, the running status etc. adding smelly related data and pump can be published to a kind of controller on network-bus simultaneously, make it the above shortcoming overcoming prior art.
The purpose of this utility model is realized by following means.
The making gas ordorous controller of a kind of explosion-proof type networking, comprises an embedded controller, multiple functional module carries out explosion-proofly adding smelly control.Embedded controller 100 each port adopt following connecting structure: I2C port is connected with keyboard input module 200; COM1 with COM2 port is connected with mini-printer module 700 with 485 bus modules 300 respectively; SPI port is connected with Industrial Ethernet module 600; Two GPIO port is connected with LED indicating module 500 with LCD display module 400 respectively; An one GPIO port extraneous adds smelly analog quantity transformation device for accessing, and its A/D port is for accessing extraneous combustion gas analog quantity transformation device.
The beneficial effect adopting technical solutions of the utility model to bring can be summarized as follows:
(1) this new controller can meet 1st district and 2 district II group gas requirement of explosion proof, have employed suitable explosion precaution, and the technique that can be applied in the explosion danger occasions such as combustion gas is on-the-spot.
(2) abundant communication interface, optimizes the embedded application performance adding smelly controller, achieves adding smelly state and the remote monitoring adding smelly parameter.Originally adding smelly controller can, by duty and data upload to internet, make the staff away from working site also can obtain the working condition of controller easily, can carry out controller remote maintenance and remote intervention adds smelly operation.
(3) farthest cost is reduced.Adopt embedded controller to add the core of smelly controller, employ and micro-ly beat technology and Embedded Ethernet Technology.When flexible function, reduce cost.
Accompanying drawing illustrates:
Fig. 1 is the logic connectivity diagram of each assembly of the utility model.
Fig. 2 is the anatomical connectivity figure of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, enforcement of the present utility model is further described.But it is emphasized that embodiment is below exemplary, instead of in order to limit scope of the present utility model and application.
Composition graphs 1 and Fig. 2 can see: the making gas ordorous controller of explosion-proof type networking comprises an embedded controller, multiple functional module carries out explosion-proofly adding smelly control.Described embedded controller 100 each port adopt following connecting structure: I2C port is connected with keyboard input module 200; COM1 with COM2 port is connected with mini-printer module 700 with 485 bus modules 300 respectively; SPI port is connected with Industrial Ethernet module 600; Two GPIO port is connected with LED indicating module 500 with LCD display module 400 respectively; An one GPIO port extraneous adds smelly analog quantity transformation device for accessing, and its A/D port is for accessing extraneous combustion gas analog quantity transformation device.
The utility model explosion-proof type networking making gas ordorous controller each several part Composition and distribution
(1) embedded controller.Or be called microcontroller (MCU).This part is the core of whole system, is data processing and communications processor element.Embedded controller includes CPU, program and data-carrier store and multiple interfaces controller etc.As TTL serial com interface, I2C, spi bus interface and multiple GPIO interfaces etc.
(2) LCD display module.This functional module is the formant of man-machine interaction.Comprise LCD liquid crystal display screen and drive interface etc.Display screen can the multiple display interface of programming realization, is used for display to add smelly relevant information and setting adds smelly parameter etc.
(3) LED indicating module.This module mainly comprises LED light and driving circuit thereof.Its function is used to display system duty intuitively, as system electrification information, has alarm free, communications status instruction etc.
(4) smelly pump driver module is added.This module comprises embedded controller output isolation circuit and pulse producer.This module produce pulse through isolation and amplifier in the driver of electromagnetic diaphragm formula volume pump, thus start volume pump with smelly dose is pumped into gas pipeline realization add smelly.
(5) mini-printer module.This module comprises the communication interface of a heat-sensitive mini-printer and and embedded controller.It receives the order from embedded controller, performs relevant printing.As print add smelly pump running status, add smelly optimum configurations situation etc.
(6) keyboard input module.This module is the unit that systemic-function selection, optimum configurations and instruction input.Comprise keypad and the interface etc. with embedded controller thereof.
(7) Analog input mModule.This module is analog data collection unit.As gathered the liquid level of smelly dose, the flow etc. of combustion gas when automatically adding smelly.This module mainly contains input isolation circuit and A/D convertor circuit composition.The process of data is completed by MCU.
(8) 485 bus modules.In order to third party device, as PLC etc. communicates, this novel embedded controller by MODBUS agreement, will add smelly related data in the mode of 485 buses and send third party device to, so that on-the-spot station Ore-controlling Role is integrated.Can also receive third party device passes the combustion gas instantaneous delivery data of coming simultaneously, can also obtain flow information by this bus outside analog input channel, realization adds smelly automatically.
(9) Industrial Ethernet module.This module is primarily of network chip and interface composition thereof.This chip is while connect MCU, and another side is connected with Ethernet or internet by RJ45 interface.By this module, this is novel adds smelly controller and " cloud " platform just can be utilized to achieve long-range data transmit and system monitoring function.
System Working Principle is as follows:
(1) manually add smelly: manually adding smelly is exactly the impact not considering gas flow, carries out adding smelly according to certain fixed frequency (cycle) and unit odorizing amount.Add as per minute once smelly, add the smelly liquid of smelly 100mg at every turn.Manually adding smelly realization is first will arrange to add smelly parameter, as frequency and unit odorizing amount.Then system is according to the parameter arranged, and adopts the method that cycle length interrupts, and drives to add smelly pump and carry out adding smelly in interrupt routine.Each odorizing amount is by dynamically arranging pump move instruction.
(2) automatically add smelly: automatically adding smelly is exactly carry out adding smelly according to gas flow, and flow greatly then adds that smelly frequency is high, and flow is little, adds smelly frequency low.Add smelly number to be directly proportional with the combustion gas volume flow through.Add smelly more scientific and reasonable like this.First the data on flows that smelly controller reception flowmeter (or other controllers) transmits is added, odorizing amount is calculated according to these data, then calculate according to the unit odorizing amount arranged and add smelly frequency, interrupt cycle length according to this set of frequency, drive in interrupt routine and add smelly pump and carry out adding smelly.
(3) two-way adds smelly: novelly add smelly controller can carry out work to two-way combustion gas simultaneously, because each road corresponding has different registers to carry out data storage in storer, so it can drive two just the samely to add smelly volume pump respectively; Each road has manually and automatically adds smelly function simultaneously, can carry out difference respectively and arrange, also can work under different mode of operations simultaneously.
(4) printing: novelly add smelly controller operationally, minitype thermal printer is standby, performs at any time to print to prepare.Microprinting function realizes manual print and timed print.
Namely so-called manual print is by the printing key on lower keyboard, MCU immediately can send the data that will print, and (user oneself defines, as added smelly data etc.) and print command to printer, printer can perform print command in real time, prints the information such as parameters and duty of current system.
Timed print is then a time-write interval of artificial setting, when system time arrives this time, performs print command.The process flow diagram of printing is as follows:
(5) telecommunication: communication is divided into two kinds, one is RS485 communication, this communication utilizes MODBUS communication protocol to communicate, Content of Communication comprises the state of pump and parameter is uploaded to third party's controller, as PLC CPU module, receive gas flow data and parameter setting data that third party controller issues simultaneously.In RS485 communication, originally add smelly controller as slave from machine work.Another kind of communication is Industrial Ethernet communication, adopts MODBUS Transmission Control Protocol to carry out work.Originally add the IP address that smelly controller has lan network, can be communicated by the lan network terminal of Ethernet with another long-range IP address.By public network, as ADSL etc., the data sharing of smelly controller can will be added to INTERNET network.Thus the remote monitoring function adding smelly operation can be realized, and the remote maintenance adding smelly controller can be realized.
(6) explosive-proof protector: carry out explosive-proof protector by the energy consumption of restriction system on the one hand; Utilize explosion-proof control box as the shell of controller, keyboard also adopts explosion-proof keyboard simultaneously, and LCD display is arranged on the position of explosion-proof window, and LED light etc. all do technological processing for explosion protection feature.Explosive-proof grade meets 2 district II group gas requirement of explosion proof, and controller can at combustion gas technique onsite application.In the embodiment of fig. 2, adding smelly controller can use the STC89C516RD+ processor of STC Corporation for MCU master chip.The composition such as Liquid Crystal Module, LED light of master chip connection ZLG7290 key-press module, ENC28J60 ethernet module, MAX485 module, RD-EH32 mini-printer module, 240*128 is originally novel adds smelly controller.The external transmitter of controller, add smelly volume pump etc.
In RS485 communication, originally add smelly controller as slave from machine work.Another kind of communication is Industrial Ethernet communication, adopts MODBUS Transmission Control Protocol to carry out work.Originally add the IP address that smelly controller has lan network, can be communicated by the lan network terminal of Ethernet with another long-range IP address.By public network, as ADSL etc., the data sharing of smelly controller can will be added to INTERNET network.Thus the remote monitoring function adding smelly operation can be realized, and the remote maintenance adding smelly controller can be realized.
In reality is implemented, carry out explosive-proof protector by the energy consumption of restriction system on the one hand; Utilize explosion-proof control box as the shell of controller, keyboard also adopts explosion-proof keyboard simultaneously, and LCD display is arranged on the position of explosion-proof window, and LED light etc. all do technological processing for explosion protection feature.Explosive-proof grade meets 2 district II group gas requirement of explosion proof.
Claims (1)
1. the making gas ordorous controller of explosion-proof type networking, comprises an embedded controller, multiple functional module carries out explosion-proofly adding smelly control, it is characterized in that, embedded controller 100 each port adopt following connecting structure: I
2c port is connected with keyboard input module 200; COM1 with COM2 port is connected with mini-printer module 700 with 485 bus modules 300 respectively; SPI port is connected with Industrial Ethernet module 600; Two GPIO port is connected with LED indicating module 500 with LCD display module 400 respectively; An one GPIO port extraneous adds smelly analog quantity transformation device for accessing, and its A/D port is for accessing extraneous combustion gas analog quantity transformation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663936.8U CN204129520U (en) | 2013-11-20 | 2014-11-07 | The making gas ordorous controller of a kind of explosion-proof type networking |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310589407 | 2013-11-20 | ||
| CN201310589407.8 | 2013-11-20 | ||
| CN201420663936.8U CN204129520U (en) | 2013-11-20 | 2014-11-07 | The making gas ordorous controller of a kind of explosion-proof type networking |
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| CN204129520U true CN204129520U (en) | 2015-01-28 |
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| CN201420663936.8U Expired - Fee Related CN204129520U (en) | 2013-11-20 | 2014-11-07 | The making gas ordorous controller of a kind of explosion-proof type networking |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299471A (en) * | 2015-11-20 | 2016-02-03 | 天津华迈燃气装备股份有限公司 | Self-detection undisturbed switching odorization control system and method |
| CN107247429A (en) * | 2017-07-28 | 2017-10-13 | 沈阳光正工业有限公司 | LNG points are for pulse period control plus smelly circuit |
| CN115681821A (en) * | 2022-12-13 | 2023-02-03 | 成都秦川物联网科技股份有限公司 | Automatic odorizing control method for intelligent gas equipment management and Internet of things system |
| US12038138B2 (en) | 2022-12-13 | 2024-07-16 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method for determining odorization parameters of smart gas device management and internet of things system thereof |
-
2014
- 2014-11-07 CN CN201420663936.8U patent/CN204129520U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299471A (en) * | 2015-11-20 | 2016-02-03 | 天津华迈燃气装备股份有限公司 | Self-detection undisturbed switching odorization control system and method |
| CN107247429A (en) * | 2017-07-28 | 2017-10-13 | 沈阳光正工业有限公司 | LNG points are for pulse period control plus smelly circuit |
| CN107247429B (en) * | 2017-07-28 | 2024-04-05 | 沈阳光正工业有限公司 | LNG point supplies pulse period control odorizing circuit |
| CN115681821A (en) * | 2022-12-13 | 2023-02-03 | 成都秦川物联网科技股份有限公司 | Automatic odorizing control method for intelligent gas equipment management and Internet of things system |
| CN115681821B (en) * | 2022-12-13 | 2023-04-07 | 成都秦川物联网科技股份有限公司 | Automatic odorizing control method for intelligent gas equipment management and Internet of things system |
| US11828422B2 (en) | 2022-12-13 | 2023-11-28 | Chengdu Qinchuan Iot Technology Co., Ltd. | Methods and internet of things systems for controlling automatic odorization of smart gas device management |
| US12038138B2 (en) | 2022-12-13 | 2024-07-16 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method for determining odorization parameters of smart gas device management and internet of things system thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20171107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |