CN109305653A - A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method - Google Patents
A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method Download PDFInfo
- Publication number
- CN109305653A CN109305653A CN201811156381.7A CN201811156381A CN109305653A CN 109305653 A CN109305653 A CN 109305653A CN 201811156381 A CN201811156381 A CN 201811156381A CN 109305653 A CN109305653 A CN 109305653A
- Authority
- CN
- China
- Prior art keywords
- gas
- vapor recovery
- petroleum vapor
- microprocessor
- loop control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
A kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention and method, petroleum vapor recovery refueling nozzle (2) is connected to fuel charger (1) by oil filling pipe (3) and muffler (4), it is serially connected with flow valve (5) on the oil filling pipe (3), is serially connected with aspiration pump (4.1) on the muffler (4)；Gas flowmeter (6) are serially connected on the muffler (4), the signal output end of the flow valve (5) and the signal output end of gas flowmeter (6) are connected in the signal receiving circuit (7.2) of control circuit (7), the signal receiving circuit (7.2) is connected to microprocessor (7.1), the microprocessor (7.1) is connected to PWM drive circuit (8), and the output signal end of the PWM drive circuit (8) is connected on the driving motor of aspiration pump (4.1).A kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention and method, can monitor petroleum vapor recovery state in real time and control it.
Description
Technical field
The present invention relates to a kind of on-line monitoring petroleum vapor recovery closed-loop control system and methods, utilize more particularly, to a kind of
The system and control method that line mode is monitored the petroleum vapor recovery to volatilize in fuel charger refueling process.
Background technique
Currently, mostly using petroleum vapor recovery rifle on fuel charger to recycle the oil gas to volatilize in refueling process, one can be reduced
The discharge of VOCs pollutant, two come more importantly preventing the oil gas of volatilization from causing safety accident；But conventional gasoline vapor recovery
Mode recycle only with petroleum vapor recovery rifle, lacks corresponding monitoring means, can not know petroleum vapor recovery at this time
State, also can not know whether oil-gas ratio meets the requirement of national regulation；Therefore, needing one kind can be in real time to petroleum vapor recovery
The system and its control method that state is monitored.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide one kind can monitor in real time petroleum vapor recovery state and to its into
The on-line monitoring petroleum vapor recovery closed-loop control system and method for row control.
The object of the present invention is achieved like this:
A kind of on-line monitoring petroleum vapor recovery closed-loop control system, the system include fuel charger and are connected on fuel charger
Petroleum vapor recovery refueling nozzle, the oil circuit of the petroleum vapor recovery refueling nozzle is connected to fuel charger by oil filling pipe, on the oil filling pipe
It is serially connected with flow valve, the gas circuit of the petroleum vapor recovery refueling nozzle is connected to fuel charger by muffler, concatenates on the muffler
There is aspiration pump；Gas flowmeter, the signal output end of the flow valve and the letter of gas flowmeter are serially connected on the muffler
Number output end is connected in the signal receiving circuit of control circuit, and the signal receiving circuit is connected to microprocessor, described
Microprocessor is connected to PWM drive circuit, and the output signal end of the PWM drive circuit is connected to the driving motor of aspiration pump
On.
A kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention is connected with a communication mould on the microprocessor
Block.
A kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention, the I/O port of the microprocessor are connected to flow valve
Control terminal, consequently facilitating when abnormality, direct closing flow valve.
A kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention, the gas flow be calculated as whirlpool connect formula flowmeter,
Differential pressure flowmeter or thermal flowmeter.
A kind of on-line monitoring petroleum vapor recovery closed loop control method of the present invention, microprocessor are flowed by signal receiving circuit
The real-time oiling rate and gas recovery flow velocity of valve and gas flowmeter measurement are measured, microprocessor is by oiling rate divided by recycling gas
Body flow velocity obtains gas-liquid ratio, and microprocessor passes through the gas-liquid ratio that oiling rate, gas recovery flow velocity and operation obtain
Communication module is sent to background server；When interval range of the gas-liquid ratio 1.0~1.2, PWM drive circuit is kept；When
When gas-liquid ratio is greater than 1.2, PWM drive circuit driving aspiration pump reduces rapidly revolving speed, so that gas recovery flow velocity is reduced, until
Gas-liquid ratio is fallen after rise to 1.0~1.2；When gas-liquid ratio is less than 1.0, PWM drive circuit driving aspiration pump improves rapidly revolving speed,
To increase gas recovery flow velocity, until gas-liquid ratio rises to 1.0~1.2.
A kind of on-line monitoring petroleum vapor recovery closed loop control method of the present invention, when gas-liquid ratio is more than highest warning value, or
When person is lower than minimum warning value, flow valve is directly closed by microprocessor.
Compared with prior art, the beneficial effects of the present invention are:
The present invention obtains gas-liquid ratio (A/L) data by online mode in real time, can be automatic when data are convenient for normal value
Intervened so that it returns normal value；And oil gas data can be transmitted to background server in real time, convenient for backstage personnel into
Row monitoring and statistics；When data substantial deviation, can also emergency cut-off refueling nozzle filling conduit, avoid leading to a disaster, thus
Improve security performance.
Detailed description of the invention
Fig. 1 is a kind of circuit block diagram for monitoring petroleum vapor recovery closed-loop control system on-line of the present invention.
Fig. 2 is a kind of circuit block diagram for the control circuit for monitoring petroleum vapor recovery closed-loop control system on-line of the present invention.
Wherein:
Fuel charger 1, petroleum vapor recovery refueling nozzle 2, oil filling pipe 3, muffler 4, flow valve 5, gas flowmeter 6, control circuit
7, PWM drive circuit 8；
Aspiration pump 4.1；
Microprocessor 7.1, signal receiving circuit 7.2, communication module 7.3.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of on-line monitoring petroleum vapor recovery closed-loop control system of the present invention, the system packet
Containing fuel charger 1 and the petroleum vapor recovery refueling nozzle 2 being connected on fuel charger 1, the oil circuit of the petroleum vapor recovery refueling nozzle 2 is by adding
Oil pipe 3 is connected to fuel charger 1, and flow valve 5 is serially connected on the oil filling pipe 3, and the gas circuit of the petroleum vapor recovery refueling nozzle 2 passes through back
Tracheae 4 is connected to fuel charger 1, is serially connected with aspiration pump 4.1 on the muffler 4；It is characterized by:
It is serially connected with gas flowmeter 6 on the muffler 4, the signal output end of the flow valve 5 and gas flowmeter 6
Signal output end is connected in the signal receiving circuit 7.2 of control circuit 7, and the signal receiving circuit 7.2 is connected to micro- place
Device 7.1 is managed, the microprocessor 7.1 is connected to PWM drive circuit 8, and the output signal end of the PWM drive circuit 8 is connected to
On the driving motor of aspiration pump 4.1；
Further, communication module 7.3 is connected on the microprocessor 7.1；Convenient for data to be sent to backstage in real time
On the handheld terminal of server-side or responsible person；
Further, the I/O port of the microprocessor 7.1 is connected to the control terminal of flow valve 5, consequently facilitating abnormality
When, directly close flow valve 5；
Further, the gas flowmeter 6 is that whirlpool connects formula flowmeter, differential pressure flowmeter or thermal flowmeter；
A kind of on-line monitoring petroleum vapor recovery closed loop control method, microprocessor 7.1 are flowed by signal receiving circuit 7.2
Measure the real-time oiling rate and gas recovery flow velocity that valve 5 and gas flowmeter 6 measure, microprocessor 7.1 by oiling rate divided by
Gas recovery flow velocity obtains gas-liquid ratio, the gas-liquid that microprocessor 7.1 obtains oiling rate, gas recovery flow velocity and operation
Ratio is sent to background server by communication module 7.3；When interval range of the gas-liquid ratio (A/L) 1~1.2, PWM is driven
Dynamic circuit 8 is kept；When gas-liquid ratio (A/L) is greater than 1.2, PWM drive circuit 8 drives aspiration pump 4.1 to reduce rapidly revolving speed, from
And gas recovery flow velocity is reduced, until gas-liquid ratio (A/L) is fallen after rise to 1.0-1.2；When gas-liquid ratio (A/L) is less than 1.0,
PWM drive circuit 8 drives aspiration pump 4.1 to improve revolving speed rapidly, so that gas recovery flow velocity is increased, until gas-liquid ratio (A/L)
Rise to 1.0-1.2；
When gas-liquid ratio (A/L) is more than highest warning value such as 2, or when lower than minimum warning value such as 0.8, show to refuel
There are abnormal conditions in the gasoline pump etc. of pipe 3, directly closes flow valve 5 by microprocessor 7.1 at this time, to avoid that thing occurs
Therefore.
Further, the microprocessor 7.1, signal receiving circuit 7.2 and communication module 7.3 meet intrinsic safe explosion-proof and want
It asks；
Further, the system also includes temperature sensor and baroceptor, the temperature sensor and air pressure
Sensor is installed in muffler 4, is monitored in real time for the pressure and temperature to gas, and the temperature sensor is gentle
Pressure sensor is connected to microprocessor 7.1, so that real time temperature and air pressure signal are passed to microprocessor 7.1, is convenient for micro- place
Device 7.1 is managed according to Current Temperatures and pressure adjustment gas-liquid ratio (A/L), this is because the volume of gas has with temperature and pressure
Corresponding relationship, it is therefore desirable to it be compensated and adjustment, so that gas-liquid ratio (A/L) data are closer to operating condition ring
Border.
In addition: it should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (6)
1. a kind of on-line monitoring petroleum vapor recovery closed-loop control system, the system includes fuel charger (1) and is connected to fuel charger
(1) oil circuit of the petroleum vapor recovery refueling nozzle (2) on, the petroleum vapor recovery refueling nozzle (2) is connected to fuel charger by oil filling pipe (3)
(1), it is serially connected with flow valve (5) on the oil filling pipe (3), the gas circuit of the petroleum vapor recovery refueling nozzle (2) is connected by muffler (4)
It passes to fuel charger (1), is serially connected with aspiration pump (4.1) on the muffler (4)；It is characterized by:
It is serially connected with gas flowmeter (6) on the muffler (4), the signal output end and gas flowmeter of the flow valve (5)
(6) signal output end is connected in the signal receiving circuit (7.2) of control circuit (7), the signal receiving circuit (7.2)
It is connected to microprocessor (7.1), the microprocessor (7.1) is connected to PWM drive circuit (8), the PWM drive circuit (8)
Output signal end be connected on the driving motor of aspiration pump (4.1).
2. a kind of on-line monitoring petroleum vapor recovery closed-loop control system as described in claim 1, it is characterised in that: the microprocessor
(7.1) communication module (7.3) are connected on.
3. a kind of on-line monitoring petroleum vapor recovery closed-loop control system as described in claim 1, it is characterised in that: the microprocessor
(7.1) I/O port is connected to the control terminal of flow valve (5), consequently facilitating when abnormality, directly closing flow valve (5).
4. a kind of on-line monitoring petroleum vapor recovery closed-loop control system as described in claim 1, it is characterised in that: the gas flow
Meter (6) is that whirlpool connects formula flowmeter, differential pressure flowmeter or thermal flowmeter.
5. a kind of on-line monitoring petroleum vapor recovery closed loop control method, it is characterised in that: microprocessor (7.1) receives electricity by signal
Road (7.2) obtains the real-time oiling rate and gas recovery flow velocity of flow valve (5) and gas flowmeter (6) measurement, microprocessor
(7.1) oiling rate is obtained into gas-liquid ratio divided by gas recovery flow velocity, microprocessor (7.1) is by oiling rate, gas recovery
The gas-liquid ratio that flow velocity and operation obtain is sent to background server by communication module (7.3)；When gas-liquid ratio 1.0~
When 1.2 interval range, PWM drive circuit (8) is kept；When gas-liquid ratio is greater than 1.2, PWM drive circuit (8) driving pumping
Pump (4.1) reduces rapidly revolving speed, so that gas recovery flow velocity is reduced, until gas-liquid ratio is fallen after rise to 1.0~1.2；Work as gas liquid ratio
When value is less than 1.0, PWM drive circuit (8) driving aspiration pump (4.1) improves rapidly revolving speed, to increase gas recovery flow velocity, directly
1.0~1.2 are risen to gas-liquid ratio.
6. on-line monitoring petroleum vapor recovery closed loop control method as claimed in claim 5, it is characterised in that: when gas-liquid ratio is more than
When highest warning value, or be lower than minimum warning value when, flow valve (5) is directly closed by microprocessor (7.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156381.7A CN109305653A (en) | 2018-09-29 | 2018-09-29 | A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156381.7A CN109305653A (en) | 2018-09-29 | 2018-09-29 | A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109305653A true CN109305653A (en) | 2019-02-05 |
Family
ID=65225149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156381.7A Withdrawn CN109305653A (en) | 2018-09-29 | 2018-09-29 | A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109305653A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467145A (en) * | 2019-06-28 | 2019-11-19 | 北京远东仪表有限公司 | A kind of petroleum vapor recovery on-line monitoring system and monitoring method |
| CN111675187A (en) * | 2020-07-07 | 2020-09-18 | 杭州鼎玺智能技术有限公司 | Closed loop control system |
| CN114955973A (en) * | 2022-04-06 | 2022-08-30 | 广东品物信息技术有限公司 | Gas station centralized oil gas recovery on-line monitoring method and system |
-
2018
- 2018-09-29 CN CN201811156381.7A patent/CN109305653A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467145A (en) * | 2019-06-28 | 2019-11-19 | 北京远东仪表有限公司 | A kind of petroleum vapor recovery on-line monitoring system and monitoring method |
| CN111675187A (en) * | 2020-07-07 | 2020-09-18 | 杭州鼎玺智能技术有限公司 | Closed loop control system |
| CN114955973A (en) * | 2022-04-06 | 2022-08-30 | 广东品物信息技术有限公司 | Gas station centralized oil gas recovery on-line monitoring method and system |
| CN114955973B (en) * | 2022-04-06 | 2024-04-19 | 广东品物信息技术有限公司 | Centralized oil gas recovery on-line monitoring method and system for gas station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109305653A (en) | A kind of on-line monitoring petroleum vapor recovery closed-loop control system and method | |
| CN103670684B (en) | The controlling method of explosive motor and control apparatus | |
| CN104005866A (en) | Method and control device for protecting cam rotor pump of diesel engine from cavitation | |
| CN111779675B (en) | Intelligent mechanical vacuum pump system for steelmaking based on Internet of things and application | |
| CN208980322U (en) | A kind of on-line monitoring petroleum vapor recovery closed-loop control system | |
| CN205937764U (en) | A lubrication and cooling system for vehicle gearbox | |
| CN202082630U (en) | Gas reliever | |
| CN206224254U (en) | A kind of carbon fibre precursor spinning volume control device | |
| CN209259666U (en) | General fuel charger gas liquid ratio on-Line Monitor Device | |
| CN210685950U (en) | Full-automatic foam drainage gas production device | |
| CN104389689A (en) | Automobile engine fuel oil supply system | |
| CN211813419U (en) | Intelligent flow control transmitter | |
| CN101216009A (en) | Automobile fuel dispensing tube oil supply test stand | |
| CN210949381U (en) | Shield constructs pneumatic grease pump injection speed closed-loop control system | |
| CN211715433U (en) | Aircraft fuel pipeline pressure pulsation system | |
| CN104632619A (en) | Natural gas pressurizing and conveying system | |
| CN111086969A (en) | Intelligent flow control transmitter | |
| CN204060656U (en) | A kind of pressure break pump truck that can realize self-suction discharge | |
| CN209744018U (en) | Lubricating system with double temperature control | |
| CN207951205U (en) | A kind of oilfield chemical dosing hybrid system | |
| CN110242558B (en) | Single-screw pump cooling control system suitable for high-gas-content multiphase mixed transportation and control method thereof | |
| CN203856591U (en) | Control device for preventing diesel cam rotor pump from cavitation erosion | |
| CN114199576A (en) | Oil inlet and return condition control system for engine test | |
| CN202995443U (en) | Automatic control system for production of methylamine nitrate | |
| CN219197296U (en) | Diversified automatic intelligent gas production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190205 |