CN105571976A - LNG gas consumption tester and LNG gas consumption testing method based on mass measurement - Google Patents
LNG gas consumption tester and LNG gas consumption testing method based on mass measurement Download PDFInfo
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- CN105571976A CN105571976A CN201410527956.7A CN201410527956A CN105571976A CN 105571976 A CN105571976 A CN 105571976A CN 201410527956 A CN201410527956 A CN 201410527956A CN 105571976 A CN105571976 A CN 105571976A
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Abstract
The invention provides a LNG gas consumption tester and a LNG gas consumption testing method based on mass measurement, wherein the LNG consumption is accurately measured by measuring the mass difference of the LNG fuel and the container before and after the use, such that the high error of the gas filling method is improved, the test data accuracy is ensured, and the testing efficiency is improved. The LNG gas consumption tester comprises a LNG gas cylinder bracket assembly, a mass sensor testing assembly and a gas cylinder lifting assembly, wherein particularly a weighing sensor bears the weight of a gas cylinder and calculates the mass through a connection member and a gas cylinder support arc plate, the gas cylinder lifting assembly can be a jack or hydraulic automatic lifting mechanism, and during the testing, after the LNG gas cylinder is lifted by a gas cylinder lifting device, the fuel consumption per 100 km is calculated by using the mass difference of the gas cylinder of the mass sensor testing assembly before and after the test.
Description
Technical field
The invention belongs to LNG vehicle economy field of test instrument, specifically a kind of LNG gas consumption tester.
Background technology
Instrument now for LNG or the test of CNG automobile fuel economy is mainly gas consumption instrument, our unit's existing CNG gas consumption tester, its structure is the gas consumption instrument adopting Coriolis (Coriolis) principle measurement gas mass rate, uses its resistance of middle discovery excessive and can not be used for the measurement of LNG gas consumption.Our unit now uses " gas entrainment method " carries out the test of LNG gas consumption, this test method is subject to many-sided extraneous factor impact such as environment temperature, storage pressure, gaseous mass and human users, test findings error is large, can not meet design and sales department to the demand of the data of this aspect.
Patent of invention content
The test of LNG gas consumption and " gas entrainment method " test figure can not be met by problems such as ectocine are large for solving CNG gas consumption test instrument, a kind of LNG gas consumption tester based on mass measurement and method of testing are provided.This tester uses front and back LNG fuel and the of poor quality of container to measure LNG consumption more accurately by measuring, and improves the situation that " gas entrainment method " test error is large, warranty test data accuracy and raising test efficiency.
Now scheme is described as follows:
A kind of LNG gas consumption tester, comprise LNG gas support assembly, mass sensor test assembly: LNG gas support assembly, comprise tank support, the first web member, tank support supports gas cylinder, first web member is fixed on tank support, and the first web member is responsible for being connected with sensor unit; Mass sensor test assembly, mass sensor test assembly comprises LOAD CELLS, the second web member, second web member is located between LOAD CELLS and described first web member of LNG gas support assembly, and the second web member is responsible for the weight transmitting of gas cylinder to LOAD CELLS.
Further, described tank support is that gas cylinder supports radian plate 1, the arc plate namely matched with gas cylinder radian.
Further, the first described web member is attaching nut 2, and correspondingly the second web member is upper connecting screw rod 3, and the first described web member, the second web member are respectively two and are symmetrical arranged, first web member and tank support, for welding, are also welded with reinforcement near web member.
Further, mass sensor test assembly also comprises the 3rd web member, and the 3rd web member supports LOAD CELLS, and regulates sensor height by the 3rd web member.
Further, mass sensor test assembly also comprises two lower connecting screw rods 5 and sensor stand 6, described LOAD CELLS 4 is two and is arranged symmetrically with, correspondingly, lower connecting screw rod supports LOAD CELLS, LOAD CELLS is connected with sensor stand 6 by lower connecting screw rod 5, and regulates sensor height by lower connecting screw rod 5.
Further, also comprise gas cylinder lifting device, gas cylinder lifting device comprises lifting member and support, and lifting member is responsible for after gas cylinder picking-up, and air feed bottle bracing or strutting arrangement and mass sensor test assembly are placed in gas cylinder lower end and weigh.
Further, described lifting member is lifting lifting jack 7, and lifting lifting jack 7 is fixed on support 8, and gas cylinder lifting device is that two covers are arranged symmetrically with.
Further, described gas cylinder lifting device adopts automatic hydraulic lifting mechanism, namely utilizes motor to drive hydraulic oil pump work, for hydraulic hoist cylinder provides energy, hydraulic cylinder is bar type structure, controls it realize expanding-contracting action by hydraulic oil, and controls its collapsing length.
Further, lifting and down maneuver are controlled by " lifting " and " decline " button of hydraulic oil pump, and motor is powered by vehicular power-bottle.
A kind of LNG gas consumption method of testing, adopt above-mentioned LNG gas consumption tester, first, with gas cylinder lifting device by gas cylinder lifting certain altitude, the gas cylinder support assembly assembled and mass sensor are tested after assembly is placed in relevant position and falls gas cylinder, again gas cylinder is given rise to certain altitude after weighing, remove gas cylinder support assembly and LOAD CELLS; Repeat previous step, LNG fuel and the of poor quality of container before and after use are measured, obtains LNG consumption, complete test process.
Specifically, the present invention includes LNG gas support assembly 1, mass sensor test assembly 6 and gas cylinder lifting assembly 8, and:
A. gas cylinder support radian plate 1 welds with upper attaching nut 2, and welds reinforcement.
B. go up coupling bolt 3 LOAD CELLS 4 and LNG gas cylinder are propped up seat assembly 1 to be connected.
C. LOAD CELLS 4 is connected with the lower coupling bolt of sensor stand 6, and can regulate sensor height by nut, to adapt to different automobile types.
D. sensor stand channel-section steel welds as graph structure.
Accompanying drawing explanation
Fig. 1 LNG gas consumption tester gas support assembly structure schematic diagram;
Fig. 2 LNG gas consumption tester mass sensor test assembly structure schematic diagram;
Fig. 3 LNG gas consumption tester gas cylinder lifting device structural representation;
Fig. 4 mass sensor test assembly and gas support general assembly after schematic diagram.
Embodiment
Now by reference to the accompanying drawings and preferred embodiment further illustrate:
As shown in Figure 1, be LNG gas support assembly, comprise radian plate 1, attaching nut 2 and reinforcement and form, act as and hold up LNG gas cylinder, and connect LOAD CELLS, by gas cylinder weight transmitting on sensor.
As shown in Figure 2, for mass sensor test assembly, comprise connecting screw rod 3, LOAD CELLS 4, lower connecting screw rod 5, sensor stand 6, act as and mass sensor is fixed on bearing, and be connected with gas cylinder bearing by upper screw rod, form quality test assembly.
As shown in Figure 3, be gas cylinder lifting device, be made up of lifting lifting jack 7, support 8, act as natural gas bottle lifting certain altitude, mass sensor is tested after assembly is placed in relevant position and fall gas cylinder, complete test process.
In a further embodiment, Such lifting mechanism can also improve becomes automatic hydraulic lifting mechanism, namely utilizes motor to drive hydraulic oil pump work, for hydraulic hoist cylinder provides energy, hydraulic cylinder is a set of bar type structure, controls it realize expanding-contracting action by hydraulic oil, and controls its collapsing length; Lifting and down maneuver are controlled by " lifting " and " decline " button of hydraulic oil pump, and motor is powered by vehicular power-bottle.
Gas cylinder supports radian plate 1 and welds with two symmetrical attaching nuts 2, and welds reinforcement.
Mass sensor test assembly: sensor stand 6 welds with channel-section steel.Its feature is that gas support 1 is connected with LOAD CELLS 4 by attaching nut 2 by upper connecting screw rod 3, and LOAD CELLS is connected with sensor stand 6 by lower connecting screw rod 5, and regulates sensor height by lower connecting screw rod 5.
Gas cylinder lifting device two overlaps, and lifting lifting jack 7 is fixed on support 8, and support angle bar welds.
In other examples, upper connecting screw rod and attaching nut can be connected etc. other and to be fixedly connected with mode by buckle.
In other examples, lower connecting screw rod can adopt the miscellaneous parts such as elevating lever to replace.
LNG gas consumption method of testing, first, with gas cylinder lifting device by gas cylinder lifting certain altitude, the gas cylinder support assembly assembled and mass sensor are tested after assembly is placed in relevant position and falls gas cylinder, again gas cylinder is given rise to certain altitude after weighing, remove gas cylinder support assembly and mass sensor tests assembly; Repeat previous step, LNG fuel and the of poor quality of container before and after use are measured, obtains LNG consumption, complete test process.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme is not intended to limit; Although be described in detail with reference to preferred embodiment; those of ordinary skill in the field are to be understood that: still can modify to embodiment or carry out equivalent replacement to portion of techniques feature and do not depart from the spirit of scheme, it all should be encompassed in the middle of the technical scheme scope of this case request protection.
Claims (10)
1. a LNG gas consumption tester, comprises LNG gas support assembly, mass sensor test assembly:
LNG gas support assembly, comprises tank support, the first web member, and tank support supports gas cylinder, and the first web member is fixed on tank support, and the first web member is responsible for being connected with sensor unit;
Mass sensor test assembly, mass sensor test assembly comprises LOAD CELLS, the second web member, second web member is located between LOAD CELLS and described first web member of LNG gas support assembly, and the second web member is responsible for the weight transmitting of gas cylinder to LOAD CELLS.
2. LNG gas consumption tester according to claim 1, is characterized in that, described tank support is that gas cylinder supports radian plate (1), the arc plate namely matched with gas cylinder radian.
3. LNG gas consumption tester according to claim 2, it is characterized in that, the first described web member is attaching nut (2), correspondingly the second web member is upper connecting screw rod (3), the first described web member, the second web member are respectively two and are symmetrical arranged, first web member and tank support, for welding, are also welded with reinforcement near web member.
4. any one LNG gas consumption tester according to claim 3, is characterized in that, mass sensor test assembly also comprises the 3rd web member, and the 3rd web member supports LOAD CELLS, and regulates sensor height by the 3rd web member.
5. any one LNG gas consumption tester according to claim 4, it is characterized in that, mass sensor test assembly also comprises two lower connecting screw rods (5) and sensor stand (6), described LOAD CELLS (4) is two and is arranged symmetrically with, correspondingly, lower connecting screw rod supports LOAD CELLS, LOAD CELLS is connected with sensor stand (6) by lower connecting screw rod (5), and regulates sensor height by lower connecting screw rod (5).
6. according to any one the LNG gas consumption tester described in claim 1 to 5, it is characterized in that, also comprise gas cylinder lifting device, gas cylinder lifting device comprises lifting member and support, lifting member is responsible for after gas cylinder picking-up, and air feed bottle bracing or strutting arrangement and mass sensor test assembly are placed in gas cylinder lower end and weigh.
7. any one LNG gas consumption tester according to claim 6, it is characterized in that, described lifting member is lifting lifting jack (7), and lifting lifting jack (7) is fixed on support (8), and gas cylinder lifting device is that two covers are arranged symmetrically with.
8. LNG gas consumption tester according to claim 7, it is characterized in that, described gas cylinder lifting device adopts automatic hydraulic lifting mechanism, namely motor is utilized to drive hydraulic oil pump work, for hydraulic hoist cylinder provides energy, hydraulic cylinder is bar type structure, controls it realize expanding-contracting action by hydraulic oil, and controls its collapsing length.
9. any one LNG gas consumption tester according to claim 8, is characterized in that, lifting and down maneuver are controlled by " lifting " and " decline " button of hydraulic oil pump, and motor is powered by vehicular power-bottle.
10. a LNG gas consumption method of testing, it is characterized in that, adopt any one the LNG gas consumption tester described in the claims 6 to 9, first, with gas cylinder lifting device by gas cylinder lifting certain altitude, the gas cylinder support assembly assembled and mass sensor are tested after assembly is placed in relevant position and falls gas cylinder, after weighing, again gas cylinder is given rise to certain altitude, remove gas cylinder support assembly and mass sensor tests assembly; Repeat previous step, LNG fuel and the of poor quality of container before and after use are measured, obtains LNG consumption, complete test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410527956.7A CN105571976A (en) | 2014-10-09 | 2014-10-09 | LNG gas consumption tester and LNG gas consumption testing method based on mass measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410527956.7A CN105571976A (en) | 2014-10-09 | 2014-10-09 | LNG gas consumption tester and LNG gas consumption testing method based on mass measurement |
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| CN105571976A true CN105571976A (en) | 2016-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519140A (en) * | 2018-03-16 | 2018-09-11 | 南通振华重型装备制造有限公司 | A kind of cantilever beam experiment of weighing method |
| CN108645494A (en) * | 2018-06-01 | 2018-10-12 | 天津市益斯达燃气设备有限公司 | A kind of liquid hydrocarbon self-measuring unloads storage integrated system |
| CN109141760A (en) * | 2018-11-01 | 2019-01-04 | 金华华鼎科技有限公司 | Hydrostatic testing machine |
| CN109269569A (en) * | 2018-11-05 | 2019-01-25 | 盛瑞传动股份有限公司 | A kind of connecting rod automatic checkout system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519140A (en) * | 2018-03-16 | 2018-09-11 | 南通振华重型装备制造有限公司 | A kind of cantilever beam experiment of weighing method |
| CN108645494A (en) * | 2018-06-01 | 2018-10-12 | 天津市益斯达燃气设备有限公司 | A kind of liquid hydrocarbon self-measuring unloads storage integrated system |
| CN109141760A (en) * | 2018-11-01 | 2019-01-04 | 金华华鼎科技有限公司 | Hydrostatic testing machine |
| CN109141760B (en) * | 2018-11-01 | 2024-05-28 | 三江开源有限公司 | Hydrostatic testing machine |
| CN109269569A (en) * | 2018-11-05 | 2019-01-25 | 盛瑞传动股份有限公司 | A kind of connecting rod automatic checkout system |
| CN109269569B (en) * | 2018-11-05 | 2020-12-29 | 盛瑞传动股份有限公司 | Automatic detection system for connecting rod |
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Application publication date: 20160511 |