CN104176007A - Method and system for monitoring abnormal change of fuel oil in fuel oil tank - Google Patents
Method and system for monitoring abnormal change of fuel oil in fuel oil tank Download PDFInfo
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- CN104176007A CN104176007A CN201410320759.8A CN201410320759A CN104176007A CN 104176007 A CN104176007 A CN 104176007A CN 201410320759 A CN201410320759 A CN 201410320759A CN 104176007 A CN104176007 A CN 104176007A
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- fuel oil
- fuel
- carbon dioxide
- oil tank
- fuel tank
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Abstract
The invention provides a system for monitoring an abnormal change of fuel oil in a fuel oil tank. The system comprises the fuel oil tank for containing the fuel oil, wherein a detector shell is arranged on the fuel oil tank; an inner cavity of the detector shell is communicated with an inner cavity of the fuel oil tank; a carbon dioxide partial pressure measurer is arranged in the detector shell; a gas inlet hole is also formed in the detector shell and is connected with a carbon dioxide generation device through a gas pipe. According to the monitoring system, the change of the fuel oil in the fuel oil tank is detected by injecting carbon dioxide into the fuel oil tank; when the fuel oil in the fuel oil tank is reduced, a partial pressure value of the carbon dioxide in the fuel oil tank is reduced, so that abnormity (for example the fuel oil is stolen or leaks out) of the fuel oil in the fuel oil tank can be judged only according to the change rate of the partial pressure value of the carbon dioxide in the fuel oil tank; the fuel oil tank can be insulated from the outside by injecting the carbon dioxide into the fuel oil tank, so that firing of the fuel oil tank can be prevented to a certain extent, and an accident can be avoided.
Description
Technical field
The present invention relates to a kind of fuel testing method, particularly a kind of method of inspection and monitoring system during for detection of the raw ANOMALOUS VARIATIONS of fuel tank internal combustion fry dried food ingredients.
Background technology
Along with the continuous progress of society, the quantity of automobile grows with each passing day, and vehicle fuel is antitheft has also become an important social concern.Especially large-scale transport vehicle, fuel oil because of the loss that theft occurs particularly serious.The situation of fuel loss is generally divided into two kinds: a kind of be driver and crew when having a rest or having a meal, because the fuel tank of large-scale transport vehicle exposes more, fuel oil is as easy as rolling off a log stolen; Another kind of situation is that driver and crew defalcate, and publicly-owned or other people property are taken into one's own possession.From fuel tank, stolen has four approach: (1) steals fuel oil by fuel pipe; (2) by the drain screw of fuel tank bottom, steal fuel oil; (3) by fuel tank top float installing port, steal fuel oil; (4) from fuel tank filler, steal fuel oil.
Fuel oil in fuel tank is stolen has a common feature, is exactly that oil mass reduces rapidly.Therefore can prevent by the ANOMALOUS VARIATIONS of monitoring oil mass fuel oil stolen be an approach effectively.Released in the market multiple anti-theft technique, but anti-theft effect is uneven.In the process of moving, the liquid level of fuel oil in fuel tank can be unstable is fixed on a certain position to automobile, brings certain difficulty so just to accurate amount of fuel monitoring.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of interior fuel oil of fuel tank that can accurately detect to change in view of the above, prevents the oil tank fuel ANOMALOUS VARIATIONS monitoring method that fuel oil is stolen.
For achieving the above object and other relevant objects, the invention provides a kind of oil tank fuel ANOMALOUS VARIATIONS monitoring method, first it comprise the steps: to injecting carbon dioxide gas in fuel tank; Then by microtonometer, detect partial pressure of carbon dioxide value in fuel tank; When the variation of partial pressure of carbon dioxide value surpasses defined threshold within the unit time, can judge that in fuel tank, ANOMALOUS VARIATIONS appears in fuel oil.
Preferably, when ANOMALOUS VARIATIONS appears in fuel oil in judgement fuel tank, by warning device, send alerting signal.
The invention also discloses a kind of oil tank fuel ANOMALOUS VARIATIONS monitoring system that realizes above-mentioned ANOMALOUS VARIATIONS monitoring method, comprise for holding the fuel tank of fuel oil, described fuel tank is provided with a detector housing, the inner chamber of described detector housing is communicated with the inner chamber of described fuel tank, in described detector housing, be provided with microtonometer, on described detector housing, be also provided with an induction opening, described induction opening is connected with carbon dioxide generating apparatus by tracheae.
Preferably, described tracheae is provided with control cock, compression indicator and flow counter, and described microtonometer, control cock, compression indicator and flow counter are all connected with a controller.
Preferably, described controller is also connected with a warning device.
Preferably, described carbon dioxide generating apparatus is connected with the tail gas discharging pipe of vehicle.
As mentioned above, oil tank fuel ANOMALOUS VARIATIONS monitoring method of the present invention and monitoring system have following beneficial effect: this monitoring method and monitoring system detect the variation of fuel oil in fuel tank by injecting carbon dioxide in fuel tank, when in fuel tank, fuel oil reduces, the partial pressure value of carbon dioxide in fuel tank can decline, so only need just can judge by the variation speed of partial pressure of carbon dioxide value in fuel tank whether the fuel oil in fuel tank abnormal condition (as stolen in fuel oil or leakage) occur, in fuel tank, injecting carbon dioxide also can make fuel tank and external insulation, can prevent that to a certain extent fuel tank is on fire, avoid having an accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Element numbers explanation.
| 1 | Fuel tank |
| 2 | Detector housing |
| 3 | Microtonometer |
| 4 | Carbon dioxide generating apparatus |
| 5 | Control cock |
| 6 | Compression indicator |
| 7 | Flow counter |
The specific embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by the other different specific embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
As shown in Figure 1, the invention provides a kind of oil tank fuel ANOMALOUS VARIATIONS monitoring system, this system comprises for holding the fuel tank 1 of fuel oil, on fuel tank 1, be provided with a detector housing 2, detector housing 2 can directly be welded on fuel tank 1 or fuel lid, and the inner chamber of detector housing 2 is communicated with the inner chamber of fuel tank 1, and in detector housing 2, being provided with microtonometer 3, microtonometer 3 is for monitoring the partial pressure value size of fuel tank 1 interior carbon dioxide.Dividing potential drop is herein that carbon dioxide reduces with fuel tank internal combustion oil volume, the pressure size of carbon dioxide in fuel tank.On detector housing 2, be also provided with an induction opening, induction opening 2 is connected with carbon dioxide generating apparatus 4 by tracheae, and carbon dioxide generating apparatus 4 is for the production of carbon dioxide, and the carbon dioxide of generation is injected in fuel tank 1 by tracheae.
Flow and pressure for the ease of control inputs carbon dioxide, can on tracheae, be provided with control cock 5, compression indicator 6 and flow counter 7, and control cock 5, compression indicator 6 and flow counter 7 are connected with controller, microtonometer also can be connected with controller simultaneously simultaneously, can realize so automatic control carbon dioxide.In order to play the effect of real-time reminding, a warning device can be connected with controller, when in microtonometer detects fuel tank, appearance is abnormal like this, just can report to the police by warning device.
Carbon dioxide generating apparatus 4 can be connected with the tail gas discharging pipe of vehicle, so both the carbon dioxide in auto emission tail gas can be reclaimed, can effectively prevent aerial contamination again, carbon dioxide generating apparatus 4 is when reclaiming tail gas, should first filter, the operation such as purification, to prevent that gas from entering fuel tank, the normal use of vehicle caused to adverse effect.
This oil tank fuel ANOMALOUS VARIATIONS monitoring system is when work, by tracheae, carbon dioxide is injected in fuel tank 1, the unsuitable overfill of the interior volume read-out of fuel tank 1, need flow out certain space to the injection of carbon dioxide, to carry out good sealing to fuel lid, to prevent gas leak simultaneously.Then by microtonometer 3, detect partial pressure of carbon dioxide value in fuel tank; When the variation of partial pressure of carbon dioxide value surpasses defined threshold within the unit time, can judge that in fuel tank, ANOMALOUS VARIATIONS appears in fuel oil.Due to main judgement be situation when fuel oil reduces in mailbox, therefore, changing value in the unit time only need be set in fuel tank when pressure reduces.When ANOMALOUS VARIATIONS appears in fuel oil in judgement fuel tank, by warning device, send alerting signal, to remind navigating mate or car owner to note.
This monitoring method and monitoring system detect the variation of fuel oil in fuel tank by injecting carbon dioxide in fuel tank, when in fuel tank, fuel oil reduces, the partial pressure value of carbon dioxide in fuel tank can decline, so only need just can judge by the variation speed of partial pressure of carbon dioxide value in fuel tank whether the fuel oil in fuel tank abnormal condition (as stolen in fuel oil or leakage) occur, in fuel tank, injecting carbon dioxide also can make fuel tank and external insulation, can prevent that to a certain extent fuel tank is on fire, avoids having an accident.The present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (6)
1. an oil tank fuel ANOMALOUS VARIATIONS monitoring method, is characterized in that, first it comprise the steps: to injecting carbon dioxide gas in fuel tank; Then by microtonometer, detect partial pressure of carbon dioxide value in fuel tank; When the variation of partial pressure of carbon dioxide value surpasses defined threshold within the unit time, can judge that in fuel tank, ANOMALOUS VARIATIONS appears in fuel oil.
2. oil tank fuel ANOMALOUS VARIATIONS monitoring method according to claim 1, is characterized in that: when ANOMALOUS VARIATIONS appears in fuel oil in judgement fuel tank, by warning device, send alerting signal.
3. an oil tank fuel ANOMALOUS VARIATIONS monitoring system, comprise for holding the fuel tank of fuel oil, it is characterized in that: described fuel tank is provided with a detector housing, the inner chamber of described detector housing is communicated with the inner chamber of described fuel tank, in described detector housing, be provided with microtonometer, on described detector housing, be also provided with an induction opening, described induction opening is connected with carbon dioxide generating apparatus by tracheae.
4. oil tank fuel ANOMALOUS VARIATIONS monitoring system according to claim 3, is characterized in that: described tracheae is provided with control cock, compression indicator and flow counter, and described microtonometer, control cock, compression indicator and flow counter are all connected with a controller.
5. oil tank fuel ANOMALOUS VARIATIONS monitoring system according to claim 4, is characterized in that: described controller is also connected with a warning device.
6. oil tank fuel ANOMALOUS VARIATIONS monitoring system according to claim 3, is characterized in that: described carbon dioxide generating apparatus is connected with the tail gas discharging pipe of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320759.8A CN104176007A (en) | 2014-07-07 | 2014-07-07 | Method and system for monitoring abnormal change of fuel oil in fuel oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320759.8A CN104176007A (en) | 2014-07-07 | 2014-07-07 | Method and system for monitoring abnormal change of fuel oil in fuel oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104176007A true CN104176007A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410320759.8A Pending CN104176007A (en) | 2014-07-07 | 2014-07-07 | Method and system for monitoring abnormal change of fuel oil in fuel oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104176007A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048037A (en) * | 1960-04-25 | 1962-08-07 | Frederick C Melchior | Tank gauging device |
| US3925756A (en) * | 1974-07-22 | 1975-12-09 | Joseph Edwards | Vehicle fuel loss alarm |
| CN1108960A (en) * | 1994-12-08 | 1995-09-27 | 宋显渭(苍汶) | Automatic fire prevention for gasoline transporting and storing |
| DE20011086U1 (en) * | 2000-06-23 | 2000-12-21 | Kopf, Manuela, 31226 Peine | Device for preventing fire accidents in fuel-operated motor vehicles of all types by means of secondary fuel tank protection |
| JP2002054972A (en) * | 2000-08-09 | 2002-02-20 | Semuko Kk | Pressure type level gauge |
| CN1755333A (en) * | 2004-09-29 | 2006-04-05 | 姆萨西诺机器株式会社 | Air bubble type liquid level gauge |
| EP1762418A1 (en) * | 2005-09-09 | 2007-03-14 | Christian Götzger | Fuel theft alarming system |
| CN201352139Y (en) * | 2008-12-25 | 2009-11-25 | 中国北车集团大连机车车辆有限公司 | Blowing type liquid level automatic display device |
| GB2471076A (en) * | 2009-06-12 | 2010-12-22 | Futra Ltd | Tank Monitoring System |
| CN103481857A (en) * | 2013-09-09 | 2014-01-01 | 湖北铱派汽车电子有限公司 | Oil thievery prevention alarm controller system of automobile |
-
2014
- 2014-07-07 CN CN201410320759.8A patent/CN104176007A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048037A (en) * | 1960-04-25 | 1962-08-07 | Frederick C Melchior | Tank gauging device |
| US3925756A (en) * | 1974-07-22 | 1975-12-09 | Joseph Edwards | Vehicle fuel loss alarm |
| CN1108960A (en) * | 1994-12-08 | 1995-09-27 | 宋显渭(苍汶) | Automatic fire prevention for gasoline transporting and storing |
| DE20011086U1 (en) * | 2000-06-23 | 2000-12-21 | Kopf, Manuela, 31226 Peine | Device for preventing fire accidents in fuel-operated motor vehicles of all types by means of secondary fuel tank protection |
| JP2002054972A (en) * | 2000-08-09 | 2002-02-20 | Semuko Kk | Pressure type level gauge |
| CN1755333A (en) * | 2004-09-29 | 2006-04-05 | 姆萨西诺机器株式会社 | Air bubble type liquid level gauge |
| EP1762418A1 (en) * | 2005-09-09 | 2007-03-14 | Christian Götzger | Fuel theft alarming system |
| CN201352139Y (en) * | 2008-12-25 | 2009-11-25 | 中国北车集团大连机车车辆有限公司 | Blowing type liquid level automatic display device |
| GB2471076A (en) * | 2009-06-12 | 2010-12-22 | Futra Ltd | Tank Monitoring System |
| CN103481857A (en) * | 2013-09-09 | 2014-01-01 | 湖北铱派汽车电子有限公司 | Oil thievery prevention alarm controller system of automobile |
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Application publication date: 20141203 |