CN103557912A - Mobile detection device for refueling machine - Google Patents
Mobile detection device for refueling machine Download PDFInfo
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- CN103557912A CN103557912A CN201310540944.3A CN201310540944A CN103557912A CN 103557912 A CN103557912 A CN 103557912A CN 201310540944 A CN201310540944 A CN 201310540944A CN 103557912 A CN103557912 A CN 103557912A
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Abstract
The invention relates to a mobile detection device for a refueling machine. A metal container liner of a standard metal measuring container consists of an upper cone, a lower cone and a cylinder. A fuel delivery pipeline and a metering neck are arranged on the metal standard measuring container. A return air releasing pipe is connected between a refueling port of the fuel delivery pipeline and the metering neck. Another return air releasing pipe is arranged on the metering neck. A three-way switching valve is an inverted Y-shaped three-way valve. A special operating vehicle enters a spot check detection state by switching the inverted Y-shaped three-way valve to the standard metal measuring container. When a refueling gun injects a fuel into the standard metal measuring container through the refueling port, a matched data acquisition box transmits the liquid level and the temperature of the fuel in the standard metal measuring container and the temperature of the refueling port to a computer in real time through an RS232 communication interface, so as to compensate metal measuring container volume changes caused by environmental changes, correct an indicating value for liquid level measurement, convert a measured liquid level result into a volume value, and simultaneously calculate an error of comparison with the refueling machine.
Description
Technical field
The present invention relates to a kind of fuel charger calibrating installation, especially a kind of portable fuel charger calibrating installation.
Background technology
Shanghai is as international metropolis, and the vehicle increasingly increasing has brought the sharply rising of refuelling station's quantity in city.Particularly in recent years, along with price of fuel oil rises steadily, the illegal businessman of some refuelling station often can juggle things and lead consumer into a trap in refueling process, obtained gravy.Therefore the metrological supervision of refuelling station is more and more become the focus of metering administrative service division of governments at all levels.In order to maintain social stability, harmony, ensure the regular supply of product oil retail market, the legitimate rights and interests of Protection of consumer, strengthen the technical capability to refuelling station's metering and on-the-spot random checking, conscientiously accomplishing provides strong technical support for government's law enforcement.
The at present both at home and abroad calibrating to fuel charger, the one, adopt standard capacity measure to add vernier caliper reading, vernier caliper have adopt mechanical and digital two kinds; The 2nd, adopt standard metal container to add standard volumeter.In use procedure, majority need directly inject fuel oil to STANDARD MEASURING APPARATUS FOR entrance by nozzle, is difficult to accomplish disguised selective examination.
Current existing pick-up unit defect:
(1) the Delica minibus of selecting does not at that time have the vehicle of diesel motor, therefore can only single detection gasoline in investigating secretly, cannot cover diesel oil;
(2) standard capacity measure neck oil mass reading adopts vernier location.In actual mechanical process, because vehicle interior space is narrow, light is dull, must use illuminations can complete data sampling, while collecting evidence at the scene, be difficult for testing result to decision making fast;
(3) standard capacity measure, owing to being subject to the condition restriction of vehicle structure, can only be designed to rectangular shape.See Fig. 1.Between metering neck and cylindrical shell almost without the transition of cone, in use because the stand of vehicle can not abswolute level, inject after fuel oil, bubble in fuel oil forms air chamber in the junction on top sometimes, the bubble of liquid easily forms air chamber (also claiming air bag) in the junction on cylindrical shell top, affected stability and the accuracy measured.
(4) nozzle, when injecting fuel oil in standard capacity measure especially in the situation that of large flow, due to the gas refluxing and the effect of backflow, can produce a large amount of foams and return-air, once fuel oil can overflow oil filler accidentally in the petroleum pipeline of this device.Not only cause the accuracy of fuel metering, also mean the failure of the task of checking secretly.
(5) device is initially at the T-valve that standard capacity measure and automotive oil tank switch, employing be the tee ball valve of common "T"-shaped structure.In process of the test, find because fluid passage approaches right angle, when flow is slightly large, convection cell mobile formed certain resistance, makes overflow.
Summary of the invention
The present invention will provide a kind of fuel charger to move calibrating installation, for solving the problems of the technologies described above.
Technical scheme of the present invention is: a kind of fuel charger moves calibrating installation, comprise standard capacity measure, fuel delivery line, three-way switch valve, measuring system, be characterized in: standard capacity measure standard capacity measure consists of the inside and outside courage of canister, canister inner bag is comprised of upper and lower two cones and cylinder, above standard capacity measure, be provided with fuel delivery line and metering neck, between the oil filler of fuel delivery line and metering neck, be connected with a return-air releasing tube, above metering neck, be provided with a return-air releasing tube, form binary channel return-air releasing tube; Three-way switch valve is for falling " Y " shape T-valve.
Measuring system comprises monitoring computer, data acquisition control case, liquid level gauge, oil temperature thermometer, oil filler thermometer, and liquid level gauge, oil temperature thermometer, oil filler thermometer are connected with monitoring computer by data acquisition control case respectively.
Liquid level is counted high precision magnetostriction liquidometer." Y " shape T-valve that falls is provided with an entrance and two outlets, and entrance and two outlet angles are 150 degree.
The invention has the beneficial effects as follows:
(1) standard capacity measure is all designed to cone up and down, thoroughly eliminating forms the possibility of air chamber.Cylindrical shell adopts inner-outer tube structure to guarantee the applicability of environment for use.Adopt magnetostrictive liquid level measurement and digital temperature sensor thermometric to guarantee measuring accuracy and stability, and improve the Stability and veracity of device.
(2) on conveyance conduit, designed binary channel return-air releasing tube, the gas producing in pipeline while making to refuel is discharged in time.Under the different situations of large flow velocity and little flow velocity, no matter be gasoline or the unimpeded pipeline that flows through of the equal energy of diesel oil, without refluxing and spillover.
(3) exit in oil filler compartment increases trunnion and the design of " Y " shape T-valve, and the convenience that has realized the personal fuel tank of vehicle and standard capacity measure is switched completely, for realizing disguised selective examination, has created favourable condition.
(4) retaining on the basis of original standard capacity measure and vernier location, make full use of existing advanced person's electronic measuring instrument and computer technology, adopt electronic thermometer to measure oil product temperature in oiling temperature in and metering cylinder, realize online temperature survey; Adopt high precision magnetostriction liquidometer on-line measurement standard capacity measure metering neck liquid level; The measurement data of sampling by the Real-Time Monitoring software on computing machine directly calculate add fuel oil in metering cylinder volume and and the volume read-out that shows of fuel charger between error amount after comparing.Realize the high speed of disguised testing process, highly reliable requirement, reduced labour intensity, improved work efficiency.Also make this device there is higher technical advance.
Accompanying drawing explanation
Fig. 1 is existing square metal measuring device structural upright schematic diagram;
Fig. 2 is structural upright schematic diagram of the present invention;
Fig. 3 is standard capacity measure structural representation of the present invention;
Fig. 4 is three-way switch valve structural representation of the present invention;
Fig. 5 is three-way switch valve inner structure schematic diagram of the present invention;
Fig. 6 is measuring system theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figures 2 to 6, fuel charger of the present invention moves calibrating installation, comprises standard capacity measure 1, fuel delivery line 3, three-way switch valve 6, measuring system.
As shown in Figure 3, standard capacity measure 1 consists of the inside and outside courage of canister, and canister inner bag is comprised of upper and lower two cones and cylinder, and standard capacity measure 1 is provided with fuel delivery line 3 and metering neck 2 above.It is circular configuration (see figure 1) that the present invention changes original square container structure, and the technical requirement of reference standard metal tank carrys out Design and manufacture, is all designed to up and down cone, thoroughly gets rid of the possibility that forms air chamber, has guaranteed the stability of metering result.Tube structure improvement and design is inner-outer tube structure, canister inner bag is comprised of upper and lower two cones and cylinder, material of main part adopts the corrosion resistant plate of 1Cr18Ni9Ti thickening to make, centre at inside and outside courage sandwiches insulation material, and implant reinforcement, make cylindrical shell reduce to Min. with the deflection of temperature, guaranteed that fuel charger moves calibrating installation and can keep armed state in annual each period.
As shown in Figure 2, between the oil filler of fuel delivery line 3 and metering neck 2, be connected with a return-air releasing tube 4, metering neck 2 is provided with a return-air releasing tube 4 above, forms binary channel return-air releasing tube, and three-way switch valve 6 is for falling " Y " shape T-valve.The fuel oil flowing out in the nozzle of fuel charger has certain pressure and contains gas; nozzle is in standard capacity measure during oiling; especially the in the situation that of large flow; due to the gas refluxing and the effect of withdrawing fluid, can in the conveyance conduit of device, produce a large amount of foams and return-air, cause fuel oil to flow backwards; cause nozzle to be shut down; once fuel oil also can overflow from oil filler accidentally, not only expose the disguise of checking secretly online fast, also affected the accuracy of fuel capacity metering.For this reason, designed binary channel return-air and discharge 4 pipes in fuel delivery line 3, the gas producing in pipeline while making to refuel is discharged in time.Under the different situations of large flow velocity and little flow velocity, no matter be gasoline or the unimpeded pipeline that flows through of the equal energy of diesel oil, without refluxing and spillover.
As Fig. 4, shown in 5, the T-valve that original device switches at standard capacity measure 1 and automotive oil tank, employing be the tee ball valve of common "T"-shaped structure.In process of the test, find because fluid passage approaches right angle, when flow is slightly large, convection cell mobile formed certain resistance, makes overflow.In order to address this problem, adopt the special three-way switch valve 6 of " Y " shape.These three-way switch valve 6 valve bodies adopt stainless steel hollow cylinder, and spool is copper coin cylinder, and six structures as figure are processed in inside, and path bore is 50mm." Y " shape three-way switch valve 6 that falls is provided with an entrance and two outlets, and entrance and two outlet angles are 150 degree.Because entrance and two outlet angles are 150 degree angles, greatly reduced the resistance of passage, ensured unimpeded under different flow velocitys of fluid, eliminated backflow and overflow phenomena, also reduced valve internal residual quantity simultaneously.By the exit in oil filler compartment, increase trunnion and the design of " Y " shape T-valve, the convenience that has realized the personal fuel tank of vehicle and standard capacity measure is switched completely, for realizing disguised selective examination, has created favourable condition.
As shown in Figure 6, measuring system comprises monitoring computer, data acquisition control case, liquid level gauge 5, oil temperature thermometer, oil filler thermometer.Liquid level gauge 5, oil temperature thermometer, oil filler thermometer are connected with monitoring computer by data acquisition control case respectively.Nozzle injects standard capacity measure process through oil filler by fuel oil, by supporting data acquisition device, in real time fuel liquid level, temperature, oil filler temperature in standard capacity measure are sent to computing machine through RS232 communication port, by the metal tank volume-variation that environmental change is caused, compensate, revise the indicating value of level gauging, and be volume value by the liquid level results conversion of measurement, and calculate the error of comparing with fuel charger simultaneously.Verification worker obtains testing result when can refuel at the scene fast, completes whole testing processes.
The measuring system of original device is mainly comprised of standard capacity measure, vernier caliper Portable temperature meter, testing result need be by artificial read-record result, then input computer and utilize special software to calculate net result, disguise and the rapidity of its testing process all have much room for improvement.Apparatus of the present invention in design, have been done to improve thoroughly.Retaining on the basis of original standard capacity measure and vernier location, making full use of existing advanced person's electronic measuring instrument and computer technology, adopting electronic thermometer to measure oil product temperature in oiling temperature in and metering cylinder, realizing online temperature survey; Adopt metering neck 2 liquid levels of high precision magnetostriction liquidometer 5 on-line measurement standard capacity measures; The measurement data of sampling by the Real-Time Monitoring software on computing machine directly calculate add fuel oil in metering cylinder volume and and the volume read-out that shows of fuel charger between error amount after comparing.Realize the high speed of disguised testing process, highly reliable requirement, reduced labour intensity, improved work efficiency.Also make this device there is higher technical advance.
Claims (5)
1. a fuel charger moves calibrating installation, comprise standard capacity measure (1), fuel delivery line (3), three-way switch valve (6), measuring system, it is characterized in that: described standard capacity measure (1) is by canister, outer courage forms, canister inner bag is comprised of upper and lower two cones and cylinder, standard capacity measure (1) is provided with fuel delivery line (3) and metering neck (2) above, between the oil filler of fuel delivery line (3) and metering neck (2), be connected with a return-air releasing tube (4), metering neck (2) is provided with a return-air releasing tube (4) above, form binary channel return-air releasing tube, described three-way switch valve (6) is for falling " Y " shape T-valve.
2. fuel charger according to claim 1 moves calibrating installation, it is characterized in that: described measuring system comprises monitoring computer, data acquisition control case, liquid level gauge (5), oil temperature thermometer, oil filler thermometer, liquid level gauge (5), oil temperature thermometer, oil filler thermometer are connected with monitoring computer by data acquisition control case respectively.
3. fuel charger according to claim 1 moves calibrating installation, it is characterized in that: described " Y " shape T-valve (6) is provided with an entrance and two outlets, and entrance and two outlet angles are 150 degree.
4. fuel charger according to claim 1 moves calibrating installation, it is characterized in that: the centre of the inside and outside courage of canister of described standard capacity measure (1) accompanies insulation material.
5. fuel charger according to claim 2 moves calibrating installation, it is characterized in that: described liquid level gauge (5) is high precision magnetostriction liquidometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310540944.3A CN103557912A (en) | 2013-11-05 | 2013-11-05 | Mobile detection device for refueling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310540944.3A CN103557912A (en) | 2013-11-05 | 2013-11-05 | Mobile detection device for refueling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165673A (en) * | 2014-07-29 | 2014-11-26 | 冯胜刚 | Hidden type secret investigation device for refueling measurement and detection and use method thereof |
| CN105698892A (en) * | 2016-02-05 | 2016-06-22 | 山东大学 | Liquid volume measuring device for penetration test and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2885829Y (en) * | 2006-01-08 | 2007-04-04 | 张波 | Visible metering display device for oiling machine |
| CN202676252U (en) * | 2012-07-04 | 2013-01-16 | 车建军 | Standard metal measurement device for novel verification refueling plane of dual-layer construction internal-clamping insulation layer |
| CN203657893U (en) * | 2013-11-05 | 2014-06-18 | 上海市计量测试技术研究院 | Movable refueling machine determination device |
-
2013
- 2013-11-05 CN CN201310540944.3A patent/CN103557912A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2885829Y (en) * | 2006-01-08 | 2007-04-04 | 张波 | Visible metering display device for oiling machine |
| CN202676252U (en) * | 2012-07-04 | 2013-01-16 | 车建军 | Standard metal measurement device for novel verification refueling plane of dual-layer construction internal-clamping insulation layer |
| CN203657893U (en) * | 2013-11-05 | 2014-06-18 | 上海市计量测试技术研究院 | Movable refueling machine determination device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165673A (en) * | 2014-07-29 | 2014-11-26 | 冯胜刚 | Hidden type secret investigation device for refueling measurement and detection and use method thereof |
| CN105698892A (en) * | 2016-02-05 | 2016-06-22 | 山东大学 | Liquid volume measuring device for penetration test and working method thereof |
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Application publication date: 20140205 |