CN108204841A - Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck - Google Patents

Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck Download PDF

Info

Publication number
CN108204841A
CN108204841A CN201611165442.7A CN201611165442A CN108204841A CN 108204841 A CN108204841 A CN 108204841A CN 201611165442 A CN201611165442 A CN 201611165442A CN 108204841 A CN108204841 A CN 108204841A
Authority
CN
China
Prior art keywords
operating mode
oil consumption
fuel consumption
accumulative
consumption
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.)
Granted
Application number
CN201611165442.7A
Other languages
Chinese (zh)
Other versions
CN108204841B (en
Inventor
吴亮
吴德志
万梁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xi Fa Engineering Machinery Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Xi Fa Engineering Machinery Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Xi Fa Engineering Machinery Co Ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Xi Fa Engineering Machinery Co Ltd
Priority to CN201611165442.7A priority Critical patent/CN108204841B/en
Publication of CN108204841A publication Critical patent/CN108204841A/en
Application granted granted Critical
Publication of CN108204841B publication Critical patent/CN108204841B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The present invention relates to concrete transportation field, the present invention provides a kind of concrete mixing and transporting car oil consumption appraisal procedure, and this method includes:Obtain the operating mode of the concrete mixing and transporting car;The fuel consumption and at least one of the following of each operating mode are added up respectively:Mileage travelled, engine operating duration;And at least one set in following combination calculates the unit fuel consumption of each operating mode:The accumulative fuel consumption and accumulative mileage travelled of each operating mode, the accumulative fuel consumption of each operating mode and accumulative engine operating duration.Other two aspect of the present invention also provides the agitator truck of a kind of concrete mixing and transporting car oil consumption apparatus for evaluating using the above method and the application device.

Description

Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck
Technical field
The present invention relates to concrete transportation fields, and in particular, to a kind of concrete mixing and transporting car oil consumption appraisal procedure And device and the agitator truck for transport concrete.
Background technology
With the fast development of urban construction, the demand of ready-mixed concrete is increasing, and concrete mixing and transporting car exists It being played an increasingly important role in engineering construction, network operator is also higher and higher to the attention rate of agitator truck energy consumption, and one Covering scientific and reasonable oil consumption calculating assessment system seems very necessary, and also contribute to network operator and examine journeyman, supervises Strengthen its awareness of saving energy.
Existing agitator truck oil consumption computing system calculates the nearest a certain setting of vehicle in short-term by engine or chassis The amount of fuel that mileage is consumed, the two is divided by calculates the fuel consumption per hundred kilometers of vehicle, and be shown on bridge instrumentation in real time.Specially Profit number is CN201210342856.8, patent is entitled《A kind of vehicle oil consumption computational methods, device and vehicle》Patent, for general It is open to the traffic and has carried out idling and travelled the calculating respectively of oil consumption, export as real-time idling oil consumption and traveling oil consumption.
But the scheme of above-mentioned calculating oil consumption existing defects should be in concrete mixing and transporting car when.First, above-mentioned calculating oil The scheme of consumption does not consider the special operation condition of agitator truck, and agitator truck is different from common haulage vehicle, a transport There is charging, fully loaded traveling, fully loaded parking, discharging, unloaded parking, the big main operating mode of deadhead operation six in operation, especially with fully loaded Parking operating mode is special, and the length of parking time is influenced very greatly, and the operating mode is not generated in traveling by external factors such as site constructions Journey, therefore it is maximum to calculate influence to fuel consumption per hundred kilometers.Secondly, existing fuel consumption per hundred kilometers computational methods will not stir transport The special fully loaded parking of vehicle, charging and discharging operating mode, which eliminate, to be come, therefore fuel consumption per hundred kilometers calculates and there is very big error.It is based on Disadvantages described above, the fuel consumption per hundred kilometers that existing method is calculated can not reflect the true fuel-economizing driving ability of driver, stirring fortune Defeated vehicle network operator can not also be examined as reference pair driver.Therefore it needs to develop a kind of for concrete mixing and transporting car Oil consumption appraisal procedure, more accurately to assess the oil consumption of agitator truck.
Invention content
The object of the present invention is to provide a kind of concrete mixing and transporting car oil consumption appraisal procedure and device, this method and devices It is capable of the oil consumption of divided working status calculating agitator truck, the external factor such as site construction and non-traveling work is eliminated in calculating process The error that condition brings oil consumption calculated value, therefore can accurately assess the oil consumption of agitator truck.
According to another aspect of the present invention, a kind of agitator truck for transport concrete, stirring transport are also provided Vehicle can accurately calculate the oil consumption of each operating mode of itself, and can reflect the failure of agitator truck in real time according to oil consumption situation Situation.
To achieve these goals, the present invention provides a kind of concrete mixing and transporting car oil consumption appraisal procedure, this method packet It includes:Obtain the operating mode of the concrete mixing and transporting car;Respectively the fuel consumption to each operating mode and at least one of the following into Row is accumulative:Mileage travelled, engine operating duration;And according to the accumulative fuel consumption of each operating mode and accumulative mileage travelled, each work The accumulative fuel consumption of condition and accumulative engine operating duration calculate the unit fuel consumption of each operating mode.
Wherein, the operating mode for obtaining the concrete mixing and transporting car includes:Loading condition information is filled in acquisition, it is described Upper dress loading condition information includes hydraulic pump high-low pressure mouth pressure and mixing drum rotating information;Obtain vehicle chassis information, institute It states vehicle chassis information and includes vehicle fuel consumption, mileage travelled, engine operating duration;And information is loaded according to the upper dress The current working of agitator truck is judged with vehicle chassis information;Wherein, the operating mode include it is following one or more:Feeder Condition, discharging operating mode, fully loaded parking operating mode, unloaded parking operating mode, fully loaded driving cycle and deadhead operation operating mode.
Wherein, judging the method for each operating mode can utilize disclosed in the patent application application No. is CN201410482716.X Operating mode judgment method realize.
Wherein, it is described according to the accumulative fuel consumption of the accumulative fuel consumption of each operating mode and accumulative mileage travelled or each operating mode and The unit fuel consumption that accumulative engine operating duration calculates each operating mode can include:When the total kilometres of agitator truck reach During default mileage value, according to the accumulative fuel consumption of the accumulative fuel consumption of each operating mode and accumulative mileage travelled or each operating mode and add up Engine operating duration calculates the unit fuel consumption of each operating mode;Or when total engine operating duration of agitator truck reaches default During the working time, according to the accumulative fuel consumption of the accumulative fuel consumption of each operating mode and accumulative mileage travelled or each operating mode and accumulative hair The motivation working time calculates the unit fuel consumption of each operating mode.
Wherein, this method can also include:When the total kilometres not up to default mileage value or when total hair When the motivation working time is not up to preset operating time, using the oil consumption reference value of preset each operating mode as the list of agitator truck Position fuel consumption.
Wherein, this method can also include:The oil consumption of the unit fuel consumption of each operating mode and preset each operating mode is joined Value is examined to be compared;When the unit fuel consumption of each operating mode is less than or equal to the oil consumption reference value of preset each operating mode When, judge oil consumption state under the operating mode to be excellent;And when the unit fuel consumption of each operating mode is more than preset each work During the oil consumption reference value of condition, judge oil consumption state under the operating mode to be poor.
Wherein, this method can also include:According to the oil consumption state of each operating mode to the whole vehicle state of agitator truck And/or driving condition carries out diagnosis early warning.The step can also preferably include:When in each operating mode charging operating mode, unload Expect that operating mode, fully loaded parking operating mode, the oil consumption state of unloaded parking operating mode are excellent, and fully loaded driving cycle and deadhead operation operating mode Oil consumption state when being difference, send out the drive manner early warning of problems for judging driver;When fully loaded in each operating mode The oil consumption state of driving cycle and deadhead operation operating mode is excellent, and charging operating mode, discharging operating mode, fully loaded parking operating mode and zero load are stayed When the oil consumption state of turner condition is difference, sends out and judge to fill early warning of problems on agitator truck;And when each work When the oil consumption state of all operating modes is difference inside condition, the early warning for judging that high oil consumption failure occurs in vehicle is sent out.
Wherein, the concrete mixing and transporting car oil consumption appraisal procedure can also include:Show the unit consumption of current working Oil mass, the oil consumption state of each operating mode, at least one of the early warning diagnostic result of vehicle information.
According to another aspect of the present invention, a kind of concrete mixing and transporting car oil consumption apparatus for evaluating is also provided, the device packet It includes:Work information acquisition module, for obtaining the operating mode of the concrete mixing and transporting car;Oil consumption computing module, for respectively The fuel consumption and at least one of the following of each operating mode are added up:Mileage travelled, engine operating duration;And according to At least one set in combining below calculates the unit fuel consumption of each operating mode:The accumulative fuel consumption and accumulative mileage travelled of each operating mode, The accumulative fuel consumption of each operating mode and accumulative engine operating duration.
Wherein, the work information acquisition module can include:Upper dress information acquisition module loads shape for obtaining upper dress State information, the upper dress loading condition information include hydraulic pump high-low pressure mouth pressure and mixing drum rotating information;Chassis information Acquisition module, for obtaining vehicle chassis information, the vehicle chassis information includes vehicle fuel consumption, mileage travelled, engine Working time;And operating mode judgment module, for loading information and the judgement stirring transport of vehicle chassis information according to the upper dress The current working of vehicle.Wherein, the operating mode include it is following one or more:Feed operating mode, discharging operating mode, fully loaded parking operating mode, Unloaded parking operating mode, fully loaded driving cycle and deadhead operation operating mode.
Wherein, the oil consumption computing module can when stirring move defeated vehicle total mileage travelled reach default mileage value when, According to the accumulative fuel consumption and accumulative engine operating duration of the accumulative fuel consumption of each operating mode and accumulative mileage travelled or each operating mode Calculate the unit fuel consumption of each operating mode;Or when total engine operating duration that defeated vehicle is moved in stirring reaches preset operating time, root According to the accumulative fuel consumption and accumulative engine operating duration meter of the accumulative fuel consumption of each operating mode and accumulative mileage travelled or each operating mode Calculate the unit fuel consumption of each operating mode.
Wherein, the oil consumption computing module is when the total kilometres not up to default mileage value or when total hair When the motivation working time is not up to preset operating time, using the oil consumption reference value of preset each operating mode as the list of agitator truck Position fuel consumption.
Wherein, which further includes oil consumption condition judgment module, for by the unit fuel consumption of each operating mode with it is default The oil consumption reference value of each operating mode be compared;And when the unit fuel consumption of each operating mode is more than preset each operating mode Oil consumption reference value when, judge oil consumption state under the operating mode to be poor;And be less than when the unit fuel consumption of each operating mode or Equal to preset each operating mode oil consumption reference value when, judge oil consumption state under the operating mode to be excellent.
Wherein, which further includes overall failure diagnosis warning module, for the oil consumption state pair according to each operating mode The whole vehicle state and/or driving condition of agitator truck carry out diagnosis early warning.
The overall failure diagnosis warning module can work as charging operating mode in each operating mode, discharging operating mode, fully loaded stay Turner condition, the oil consumption state of unloaded parking operating mode are excellent, and the oil consumption state of fully loaded driving cycle and deadhead operation operating mode is equal During for difference, the drive manner early warning of problems for judging driver is sent out;When the fully loaded driving cycle and sky in each operating mode The oil consumption state for carrying driving cycle is excellent, charging operating mode, discharging operating mode, the oil consumption for being fully loaded with parking operating mode and unloaded parking operating mode When state is difference, sends out and judge to fill early warning of problems on agitator truck;And all works inside each operating mode When the oil consumption state of condition is difference, the early warning for judging that high oil consumption failure occurs in vehicle is sent out.
Wherein, which can also include output display module, for showing the unit fuel consumption of current working, each operating mode Oil consumption state, at least one of the early warning diagnostic result of vehicle information.
Wherein, which further includes GPS positioning device and/or auto-induction apparatus, for identifying the list of agitator truck Time transport at the beginning of and the end time;The oil consumption computing module is additionally operable to acquire and calculates the list of the agitator truck Plow the unit fuel consumption of each operating mode of transport;The output display module is additionally operable to show single time transport of the agitator truck Each operating mode unit fuel consumption.
In accordance with a further aspect of the present invention, a kind of agitator truck for transport concrete, stirring fortune be may also provide Defeated vehicle can include above-mentioned concrete mixing and transporting car oil consumption apparatus for evaluating.
Through the above technical solutions, according to the upper dress information of agitator truck and chassis information to the operating mode of agitator truck It distinguishes, and divided working status calculates the oil consumption of each operating mode, eliminates error caused by external factor, result of calculation is more accurate.And And by the way that the oil consumption reference value value of the fuel consumption values of each operating mode and preset each operating mode to be compared to the oil to assess each operating mode Consumption situation, and further according to the fault condition of the oil consumption assessment of scenario vehicle of each operating mode, it can not only be in time to complete vehicle fault Situation carries out early warning, also provides a kind of reliable evaluation means for operation vehicle.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings:
Fig. 1 is the flow chart of according to an embodiment of the invention one concrete mixing and transporting car oil consumption appraisal procedure;
Fig. 2 is the flow chart of according to an embodiment of the invention two concrete mixing and transporting car oil consumption appraisal procedure;
Fig. 3 is the flow chart of according to an embodiment of the invention three concrete mixing and transporting car oil consumption appraisal procedure;
Fig. 4 is the structure chart of according to an embodiment of the invention four concrete mixing and transporting car oil consumption apparatus for evaluating;And
Fig. 5 is the structure chart of according to an embodiment of the invention five concrete mixing and transporting car oil consumption apparatus for evaluating;
Reference sign
100:Work information acquisition module 110:Upper dress information acquisition module
120:Chassis information acquisition module 130:Operating mode judgment module
200:Oil consumption computing module 300:Oil consumption condition judgment module
400:Overall failure diagnosis warning module 500:Display module
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the flow chart of according to an embodiment of the invention one concrete mixing and transporting car oil consumption appraisal procedure.Such as Fig. 1 Shown, the concrete mixing and transporting car oil consumption appraisal procedure includes the following steps:
In the step s 100, the operating mode of the concrete mixing and transporting car is obtained.
In step s 200, the fuel consumption and at least one of the following of each operating mode are added up respectively:In traveling Journey, engine operating duration.
In step S300 and at least one set in following combination calculates the unit fuel consumption of each operating mode:Each work The accumulative fuel consumption and accumulative mileage travelled of condition, the accumulative fuel consumption of each operating mode and accumulative engine operating duration.
Fig. 2 is the flow chart of according to an embodiment of the invention two concrete mixing and transporting car oil consumption appraisal procedure.
In embodiment two, above-mentioned steps S100 preferably includes following steps:
In step s 110, loading condition information is filled in acquisition, the upper dress loading condition information includes hydraulic pump height Press mouth pressure and mixing drum rotating information.
In the step s 120, vehicle chassis information is obtained, the vehicle chassis information is included in vehicle fuel consumption, traveling Journey, engine operating duration.
In step s 130, information is loaded according to the upper dress and vehicle chassis information judges the current work of agitator truck Condition.The operating mode of agitator truck can mainly include charging operating mode, discharging operating mode, fully loaded parking operating mode, unloaded parking operating mode, full Carry the six big operating mode such as driving cycle and deadhead operation operating mode or Part load therein.The specific judgment method example of six big operating modes Operating mode judgment method as can disclosed in the patent application using application number CN201410482716.X is realized.
Further, the appraisal procedure is further comprising the steps of:By the unit fuel consumption of each operating mode with it is preset The oil consumption reference value of each operating mode is compared, for example, by the unit fuel consumption under fully loaded driving cycle and preset fully loaded traveling Oil consumption reference value under operating mode is compared, will be under the unit fuel consumption under fully loaded parking operating mode and preset fully loaded parking operating mode Oil consumption reference value be compared, will be under the unit fuel consumption under deadhead operation operating mode operating mode and preset deadhead operation operating mode Oil consumption reference value is compared, and the unit fuel consumption under unloaded parking operating mode and the oil consumption under preset unloaded parking operating mode are joined It examines value to be compared, the unit fuel consumption fed under operating mode and the oil consumption reference value under preset charging operating mode is compared, Unit fuel consumption under discharging operating mode and the oil consumption reference value under preset discharging operating mode are compared;
When the unit fuel consumption of each operating mode is less than or equal to the oil consumption reference value of preset each operating mode, judge Oil consumption state under the operating mode is excellent;And
When the unit fuel consumption of each operating mode is more than the oil consumption reference value of preset each operating mode, the operating mode is judged Under oil consumption state to be poor.In fig. 2 in shown embodiment two, above-mentioned steps S200 may comprise steps of:
In step S210, the fuel consumption and mileage travelled that are fully loaded under driving cycle are added up.
In step S220, the fuel consumption and engine operating duration that are fully loaded under parking operating mode are added up.
In addition to above-mentioned steps S210-S220, step S200 can also include under other four big operating modes of agitator truck Following combination at least one set carry out accumulative step:Fuel consumption and mileage travelled are added up, to agitator truck Fuel consumption and engine operating duration under other four big operating modes.
As shown in Fig. 2, embodiment two preferably also comprises following steps:
For being fully loaded with driving cycle, in step S311, judge whether the total kilometres of agitator truck are more than and preset Mileage value;Default mileage value for example can be 10,000 kilometers of either 3,000 kilometers or other data, which can root It is set according to actual needs.If the total kilometres of agitator truck are less than default mileage value, can in step S312 Using hundred kilometric fuel consumption pers by the oil consumption reference value under preset fully loaded driving cycle as fully loaded driving cycle, hundred at this time are public In oil consumption be not agitator truck practical fuel consumption per hundred kilometers, an and only reference value;If total kilometres are More than default mileage value, then in step S313, under the accumulative fuel consumption under fully loaded driving cycle divided by fully loaded driving cycle Accumulation mileage travelled, so as to calculate the hundred practical kilometric fuel consumption pers of fully loaded driving cycle.
In step S411, by the value of hundred kilometric fuel consumption pers of the current fully loaded driving cycle of agitator truck with it is preset The oil consumption reference value of fully loaded driving cycle is compared, if the value of hundred kilometric fuel consumption pers of fully loaded driving cycle is more than preset Oil consumption reference value under fully loaded driving cycle then in step S422, judges that the oil consumption state under current fully loaded driving cycle is Difference;Conversely, then in step S421, judge that the oil consumption state under currently fully loaded driving cycle is excellent.
For being fully loaded with parking operating mode, in step S321, when judging whether total engine operating duration is more than default work Between.If current total engine operating duration is less than preset operating time, in step S322, transfer preset fully loaded The fuel consumption per hour of parking operating mode as fully loaded parking operating mode fuel consumption per hour (under fully loaded parking operating mode, unit fuel consumption Preferably fuel consumption per hour, therefore the oil consumption reference value of the preset operating mode, that is, preset fuel consumption per hour);Conversely, then in step In rapid S323, when being worked with the accumulative fuel consumption under current fully loaded parking operating mode divided by the accumulative engine under fully loaded parking operating mode Between, you can calculate the fuel consumption per hour of fully loaded parking operating mode.
In step S412, by the value of the fuel consumption per hour of fully loaded parking operating mode and the oil consumption of preset fully loaded parking operating mode Reference value is compared, if the oil consumption that the value of the fuel consumption per hour of fully loaded parking operating mode is more than preset fully loaded parking operating mode is joined Value is examined, then in step S432, it can be determined that the oil consumption state of fully loaded parking operating mode is poor;Conversely, then in step S432, it can To judge the oil consumption state of fully loaded parking operating mode to be excellent.
In the unit fuel consumption for calculating each operating mode, under fully loaded driving cycle and deadhead operation operating mode, its unit is consumed Oil mass be affected is mileage travelled, therefore under two operating modes, it is hundred public that unit fuel consumption can preferably calculate its In fuel consumption, correspondingly, the oil consumption reference value of preset fully loaded driving cycle and the oil consumption reference value of deadhead operation operating mode are pre- If hundred kilometers of oil consumption reference values;And for feeding operating mode, discharging operating mode, fully loaded parking operating mode and unloaded parking operating mode, by In under four operating modes agitator truck belong to non-driving cycle, therefore using fuel consumption per hour as the unit of this four operating modes Fuel consumption, correspondingly, the oil consumption reference value of preset four operating modes are the preset hour oil consumption reference value of wherein each operating mode.
In addition, in the unit fuel consumption for calculating each operating mode, judge whether total kilometres are more than default mileage value or total Whether engine operating duration is more than preset operating time, is because of when agitator truck is new car, due to its whole vehicle state Than excellent, the also thus opposite oil consumption state of vehicle is excellent, and the probability that vehicle breaks down at this time is smaller, and if row Sail that mileage is less than normal, then the data samples values acquired are on the low side, and the result calculated can be caused to have a relatively large deviation, therefore can will Unit fuel consumption of the oil consumption reference value of preset each operating mode as each operating mode, the unit fuel consumption shown at this time and oil consumption state All it is for reference;And work as agitator truck work after a certain period of time, and due to abrasion of each component of vehicle etc., complete-vehicle oil consumption State tends to be deteriorated, and break down or because driver driving it is improper due to oil consumption possibility bigger than normal can also increase, then add On at this time the mileage travelled under each operating mode, fuel consumption, engine operating duration accumulative sample reached a certain level, error phase To smaller, therefore the unit fuel consumption of each operating mode can be calculated in real time according to above-mentioned parameter, and further according to unit oil consumption It measures and judges the oil consumption state of each operating mode with the oil consumption reference value of preset each operating mode.
In addition, when being more than that total engine operating duration is still more than default work by default mileage value by total kilometres Between as the condition of unit of account fuel consumption be not fixed judge mileage travelled because this is one, fuel consumption, start The accumulative sample of the parameters such as machine working time whether sufficiently large condition, for example, under fully loaded driving cycle, step S311 Can be that total engine operating duration is more than preset operating time as the step of condition, under fully loaded parking operating mode, step S321 can also be using the whether default mileage value of total kilometres as the step of condition.
Wherein, the oil consumption reference value of preset each operating mode can be the unit fuel consumption of the non-divided working status of current agitator truck Assembly average.
Wherein, the oil consumption reference value of preset each operating mode can be test value, for example, to the agitator truck of same model Floor data obtains after carrying out a large amount of test statistics.
As shown in Fig. 2, embodiment two preferably also comprises step S500 and step S600.
It, can be according to the oil consumption state of each operating mode obtained at present to the vehicle shape of agitator truck in step S500 State and/or driving condition carry out diagnosis early warning.The step can also be as shown in Figure 3, it preferably includes following steps:
In step S510, when in each operating mode charging operating mode, discharging operating mode, fully loaded parking operating mode, unloaded parking The oil consumption state of operating mode is excellent, and when the oil consumption state of fully loaded driving cycle and deadhead operation operating mode is difference, send out judgement The drive manner early warning of problems of driver.
In step S520, when the fully loaded driving cycle in each operating mode and the oil consumption state of deadhead operation operating mode are It is excellent, when charging operating mode, discharging operating mode, the oil consumption state of fully loaded parking operating mode and unloaded parking operating mode are difference, send out judgement and stir It mixes and early warning of problems is filled on transport vehicle.
When the oil consumption state of all operating modes is difference in step S530 and inside each operating mode, judgement is sent out There is the early warning of high oil consumption failure in vehicle.
It, can be by the unit fuel consumption of current working, the oil consumption state of each operating mode, the early warning to vehicle in step S600 The monitor supervision platform that the presentation of information such as diagnostic result information are uploaded to network operator to driver or by network is shown, with convenient Driver understands the state of vehicle or facilitates the oil consumption state and whole vehicle state of network operator's real time monitoring agitator truck, thus and When make corresponding measure.
Fig. 4 is the structure chart of according to an embodiment of the invention four concrete mixing and transporting car oil consumption apparatus for evaluating.Such as Fig. 4 Shown, which includes:Work information acquisition module 100, for obtaining the operating mode of the concrete mixing and transporting car;And oil Computing module 200 is consumed, for adding up respectively to the fuel consumption and at least one of the following of each operating mode:Mileage travelled And/or engine operating duration and at least one set in following combination calculate the unit fuel consumption of each operating mode:Each operating mode Accumulative fuel consumption and accumulative mileage travelled, the accumulative fuel consumption of each operating mode and accumulative engine operating duration.
Fig. 5 is the structure chart of according to an embodiment of the invention five concrete mixing and transporting car oil consumption apparatus for evaluating.
As shown in figure 5, the work information acquisition module 100 can include:Upper dress information acquisition module 110, for obtaining Dress loading condition information is taken, the upper dress loading condition information includes hydraulic pump high-low pressure mouth pressure and the positive and negative transfering the letter of mixing drum Breath;Chassis information acquisition module 120, for obtaining vehicle chassis information, the vehicle chassis information includes vehicle fuel consumption, row Sail mileage, engine operating duration;And operating mode judgment module 130, for loading information and vehicle chassis according to the upper dress Information judges the current working of agitator truck.Wherein, the operating mode can mainly include charging operating mode, discharging operating mode, be fully loaded with All or part of operating mode in parking operating mode, unloaded parking operating mode, six big operating mode of fully loaded driving cycle and deadhead operation operating mode etc..
The oil consumption computing module 200 can when stirring move defeated vehicle total kilometres reach default mileage value when, according to The accumulative fuel consumption and accumulative mileage travelled of each operating mode or the accumulative fuel consumption of each operating mode and accumulative engine operating duration calculate The unit fuel consumption of each operating mode;Or when total engine operating duration that defeated vehicle is moved in stirring reaches preset operating time, according to each The accumulative fuel consumption and accumulative mileage travelled of operating mode or the accumulative fuel consumption of each operating mode and accumulative engine operating duration calculate each The unit fuel consumption of operating mode.It, can be under the accumulative fuel consumption divided by the operating mode under the operating mode such as being fully loaded with driving cycle Accumulative mileage travelled, calculate hundred kilometric fuel consumption pers of the operating mode;For fully loaded parking operating mode, tiring out under the operating mode can be used The accumulative engine operating duration under fuel consumption divided by the operating mode is counted, calculates the fuel consumption per hour of the operating mode.For six big works Fully loaded driving cycle and fully loaded parking operating mode in condition preferably calculate its hundred kilometric fuel consumption per, can be with for other four big operating modes Calculate its fuel consumption per hour.
The oil consumption computing module 200 can be when the total kilometres not up to default mileage value or when described total When engine operating duration is not up to preset operating time, using the oil consumption reference value of preset each operating mode as agitator truck Unit fuel consumption.Unit fuel consumption at this time is for reference only.
As shown in figure 5, embodiment five preferably also comprises oil consumption condition judgment module 300, for by each operating mode The oil consumption reference value of unit fuel consumption and preset each operating mode is compared;And when the unit fuel consumption of each operating mode is more than During the oil consumption reference value of preset each operating mode, judge oil consumption state under the operating mode to be poor;And when each operating mode When unit fuel consumption is less than or equal to the oil consumption reference value of preset each operating mode, judge that the oil consumption state under the operating mode is It is excellent.Equally, when the total kilometres not up to default mileage value or when total engine operating duration is not up to default During the working time, the oil consumption state of each operating mode is for reference only.
Embodiment five preferably also comprises overall failure diagnosis warning module 400, for the oil consumption according to each operating mode State carries out diagnosis early warning to the whole vehicle state and/or driving condition of agitator truck.
Overall failure diagnosis warning module 400 can work as charging operating mode in each operating mode, discharging operating mode, fully loaded parking Operating mode, the oil consumption state of unloaded parking operating mode are excellent, and the oil consumption state of fully loaded driving cycle and deadhead operation operating mode is When poor, the drive manner early warning of problems for judging driver is sent out;When the fully loaded driving cycle in each operating mode and zero load The oil consumption state of driving cycle is excellent, charging operating mode, discharging operating mode, the oil consumption shape for being fully loaded with parking operating mode and unloaded parking operating mode When state is difference, sends out and judge to fill early warning of problems on agitator truck;And all operating modes inside each operating mode Oil consumption state when being difference, send out the early warning for judging that high oil consumption failure occurs in vehicle.
Wherein, which can also include output display module 500, for showing the unit fuel consumption of current working, each The oil consumption state of operating mode, to information such as the early warning diagnostic results of vehicle, driver to be facilitated to understand the state of vehicle or facilitates operation Person monitors the oil consumption state and whole vehicle state of agitator truck in real time, so as to make corresponding measure in time.Display module 500 can be with It is the combination of the display device in agitator truck driver's cabin or the display interface in monitoring system or the two.
In order to assess single time oil consumption state of agitator truck, such as may need to assess certain execution conditions or transport item Single time oil consumption state under part, so as to make optimal Managed Solution, the concrete for the execution conditions or traffic condition Agitator truck oil consumption apparatus for evaluating can also include GPS positioning device, for positioning the position of agitator truck, so as to position The beginning and end of its single time transport;Or auto-induction apparatus can be included, for sensing opening for single time transport of agitator truck Begin and terminate.The each hauling operation of agitator truck is all that charging is starts below mixing plant discharge port to drive into, to sail again It is what is terminated to return mixing plant.When agitator truck is driven under mixing plant discharge port, can be touched by auto-induction apparatus Hair is calculated with the oil consumption of activation system into the trade time hauling operation.When agitator truck is completed to return to stirring when time hauling operation When standing, judgement triggering can be carried out by the sensing device at GPS positioning system or mixing plant gate, mark is made when time transport Industry is over.By above-mentioned divided working status fuel consumption calculation method, the output display system of agitator truck can be with real-time display The divided working status oil consumption of this time transport.
Concrete mixing and transporting car oil consumption appraisal procedure and device in above-described embodiment can be applied to transport concrete Agitator truck, to improve its comprehensive function.
In the above-described embodiments, the concrete of the present invention is stirred as example using being fully loaded with driving cycle and fully loaded parking operating mode Transport vehicle oil consumption appraisal procedure and device are described in detail, for other each operating modes of agitator truck, this field Technical staff can realize corresponding function according to foregoing description content, be repeated to avoid, no longer superfluous herein to chat.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (18)

1. a kind of concrete mixing and transporting car oil consumption appraisal procedure, which is characterized in that this method includes:
Obtain the operating mode of the concrete mixing and transporting car;
The fuel consumption and at least one of the following of each operating mode are added up respectively:Mileage travelled, engine operating duration; And
At least one set in following combination calculates the unit fuel consumption of each operating mode:The accumulative fuel consumption of each operating mode and accumulative row Sail mileage, the accumulative fuel consumption of each operating mode and accumulative engine operating duration.
2. concrete mixing and transporting car oil consumption appraisal procedure according to claim 1, which is characterized in that described in the acquisition The operating mode of concrete mixing and transporting car includes:
Loading condition information is filled in acquisition, the upper dress loading condition information is including hydraulic pump high-low pressure mouth pressure and mixing drum just Inversion information;
Vehicle chassis information is obtained, the vehicle chassis information includes vehicle fuel consumption, mileage travelled, engine operating duration; And
Information is loaded according to the upper dress and vehicle chassis information judges the current operating mode of agitator truck;
Wherein, the operating mode include it is following one or more:Feed operating mode, discharging operating mode, fully loaded parking operating mode, unloaded parking work Condition, fully loaded driving cycle and deadhead operation operating mode.
3. concrete mixing and transporting car oil consumption appraisal procedure according to claim 2, which is characterized in that described according to following At least one set in combination calculates the unit fuel consumption of each operating mode:Accumulative fuel consumption and accumulative mileage travelled, each work of each operating mode The accumulative fuel consumption of condition and accumulative engine operating duration include:
When the total kilometres of agitator truck reach default mileage value, according to the accumulative fuel consumption of each operating mode and accumulative traveling The accumulative fuel consumption and accumulative engine operating duration of mileage or each operating mode calculate the unit fuel consumption of each operating mode;Or
When total engine operating duration of agitator truck reaches preset operating time, according to the accumulative fuel consumption of each operating mode and The accumulative fuel consumption and accumulative engine operating duration of accumulative mileage travelled or each operating mode calculate the unit fuel consumption of each operating mode.
4. concrete mixing and transporting car oil consumption appraisal procedure according to claim 3, which is characterized in that this method is also wrapped It includes:
When the total kilometres not up to default mileage value or when the not up to default work of total engine operating duration During the time, using the oil consumption reference value of preset each operating mode as the corresponding unit fuel consumption of each operating mode of agitator truck.
5. concrete mixing and transporting car oil consumption appraisal procedure according to claim 2, which is characterized in that this method is also wrapped It includes:
The unit fuel consumption of each operating mode and the oil consumption reference value of preset each operating mode are compared;
When the unit fuel consumption of each operating mode is less than or equal to the oil consumption reference value of preset each operating mode, the work is judged Oil consumption state under condition is excellent;And
When the unit fuel consumption of each operating mode is more than the oil consumption reference value of preset each operating mode, judge under the operating mode Oil consumption state is poor.
6. according to the concrete mixing and transporting car oil consumption appraisal procedure described in claim 5, which is characterized in that this method further includes:
Diagnosis early warning is carried out to the whole vehicle state and/or driving condition of agitator truck according to the oil consumption state of each operating mode.
7. concrete mixing and transporting car oil consumption appraisal procedure according to claim 6, which is characterized in that described in the basis The oil consumption state of each operating mode carries out the whole vehicle state and/or driving condition of agitator truck diagnosis early warning and includes:
When charging operating mode, discharging operating mode, fully loaded parking operating mode, the oil consumption state of unloaded parking operating mode in each operating mode are It is excellent, and when the oil consumption state of fully loaded driving cycle and deadhead operation operating mode is difference, send out the drive manner presence for judging driver The early warning of problem;
When the fully loaded driving cycle in each operating mode and the oil consumption state of deadhead operation operating mode are excellent, charging operating mode, discharging When the oil consumption state of operating mode, fully loaded parking operating mode and unloaded parking operating mode is difference, sends out and judge that the upper dress of agitator truck is deposited In the early warning of problem;And
When the oil consumption state of all operating modes is difference inside each operating mode, sends out and judge that the pre- of high oil consumption failure occurs in vehicle It is alert.
8. the concrete mixing and transporting car oil consumption appraisal procedure according to any one of claim 1-7, which is characterized in that should Method further includes:
Show the unit fuel consumption of current working, the oil consumption state of each operating mode, at least one in the early warning diagnostic result of vehicle Kind information.
9. a kind of concrete mixing and transporting car oil consumption apparatus for evaluating, which is characterized in that the device includes:
Work information acquisition module, for obtaining the operating mode of the concrete mixing and transporting car;
Oil consumption computing module, for adding up respectively to the fuel consumption and at least one of the following of each operating mode:In traveling Journey, engine operating duration;And at least one set in following combination calculates the unit fuel consumption of each operating mode:Each operating mode Accumulative fuel consumption and accumulative mileage travelled, the accumulative fuel consumption of each operating mode and accumulative engine operating duration.
10. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 9, which is characterized in that the operating mode letter Breath acquisition module includes:
Upper dress information acquisition module, for obtaining upper dress loading condition information, the upper dress loading condition information includes hydraulic pump High-low pressure mouth pressure and mixing drum rotating information;
Chassis information acquisition module, for obtaining vehicle chassis information, the vehicle chassis information includes vehicle fuel consumption, traveling Mileage, engine operating duration;And
Operating mode judgment module, for judging the current work of agitator truck according to the upper dress loading information and vehicle chassis information Condition;
Wherein, the operating mode include it is following one or more:Feed operating mode, discharging operating mode, fully loaded parking operating mode, unloaded parking work Condition, fully loaded driving cycle and deadhead operation operating mode.
11. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 10, which is characterized in that the oil consumption meter Module is calculated when the total kilometres that defeated vehicle is moved in stirring reach default mileage value, according to the accumulative fuel consumption of each operating mode and accumulative row It sails the accumulative fuel consumption of mileage or each operating mode and accumulative engine operating duration calculates the unit fuel consumption of each operating mode;Or
When total engine operating duration that defeated vehicle is moved in stirring reaches preset operating time, according to the accumulative fuel consumption of each operating mode and The accumulative fuel consumption and accumulative engine operating duration of accumulative mileage travelled or each operating mode calculate the unit fuel consumption of each operating mode.
12. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 10, which is characterized in that the oil consumption meter Module is calculated when the total kilometres not up to default mileage value or when the not up to default work of total engine operating duration When making the time, using the oil consumption reference value of preset each operating mode as the unit fuel consumption of agitator truck.
13. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 10, which is characterized in that the device also wraps Oil consumption condition judgment module is included, for the oil consumption reference value of the unit fuel consumption of each operating mode and preset each operating mode to be carried out Compare;And
When the unit fuel consumption of each operating mode is more than the oil consumption reference value of preset each operating mode, judge under the operating mode Oil consumption state is poor;And
When the unit fuel consumption of each operating mode is less than or equal to the oil consumption reference value of preset each operating mode, the work is judged Oil consumption state under condition is excellent.
14. according to the concrete mixing and transporting car oil consumption apparatus for evaluating described in claim 13, which is characterized in that the device further includes Overall failure diagnosis warning module, for the oil consumption state according to each operating mode to the whole vehicle state of agitator truck and/or Driving condition carries out diagnosis early warning.
15. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 14, which is characterized in that the vehicle event Charging operating mode of the barrier diagnosis warning module in each operating mode, discharging operating mode, fully loaded parking operating mode, zero load parking operating mode oil Consumption state is excellent, and when the oil consumption state of fully loaded driving cycle and deadhead operation operating mode is difference, it sends out and judges driving for driver Sail mode early warning of problems;
When the fully loaded driving cycle in each operating mode and the oil consumption state of deadhead operation operating mode are excellent, charging operating mode, discharging When the oil consumption state of operating mode, fully loaded parking operating mode and unloaded parking operating mode is difference, sends out and judge that the upper dress of agitator truck is deposited In the early warning of problem;And
When the oil consumption state of all operating modes is difference inside each operating mode, sends out and judge that the pre- of high oil consumption failure occurs in vehicle It is alert.
16. the concrete mixing and transporting car oil consumption apparatus for evaluating according to any one of claim 9-15, which is characterized in that The device further includes output display module, for show the unit fuel consumption of current working, each operating mode oil consumption state, to vehicle At least one of early warning diagnostic result information.
17. concrete mixing and transporting car oil consumption apparatus for evaluating according to claim 16, which is characterized in that the device also wraps Include GPS positioning device and/or auto-induction apparatus, for identify single time of agitator truck transport at the beginning of and at the end of Between;The oil consumption computing module be additionally operable to acquire and calculate single time of agitator truck transport each operating mode unit oil consumption Amount;The output display module is additionally operable to show the unit fuel consumption of each operating mode of single time transport of the agitator truck.
18. a kind of agitator truck for transport concrete, it is characterised in that including the concrete described in claim 9-17 Agitator truck oil consumption apparatus for evaluating.
CN201611165442.7A 2016-12-16 2016-12-16 Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck Active CN108204841B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611165442.7A CN108204841B (en) 2016-12-16 2016-12-16 Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611165442.7A CN108204841B (en) 2016-12-16 2016-12-16 Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck

Publications (2)

Publication Number Publication Date
CN108204841A true CN108204841A (en) 2018-06-26
CN108204841B CN108204841B (en) 2019-09-10

Family

ID=62602195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611165442.7A Active CN108204841B (en) 2016-12-16 2016-12-16 Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck

Country Status (1)

Country Link
CN (1) CN108204841B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107215289A (en) * 2016-03-22 2017-09-29 迪尔公司 The system and method determined for idle condition
CN107351784A (en) * 2017-06-30 2017-11-17 上海友衷科技有限公司 A kind of information processing method and device
CN109443467A (en) * 2018-12-14 2019-03-08 三汽车起重机械有限公司 Engineering machinery and oil consumption monitoring method
CN109613905A (en) * 2018-11-07 2019-04-12 中国汽车技术研究中心有限公司 A kind of method and apparatus of the high oil consumption bad working environments of Dynamic Recognition heavy-duty commercial vehicle actual motion
CN109900336A (en) * 2019-03-07 2019-06-18 中联重科股份有限公司 Concrete mixer Fuel consumption analysis method, terminal, cloud platform and system
CN109902869A (en) * 2019-02-26 2019-06-18 广州恒众车联网智能电子技术有限公司 Method, apparatus, computer equipment and the storage medium that vehicle is predicted up to mileage
CN112097846A (en) * 2020-08-04 2020-12-18 北京汽车股份有限公司 Vehicle fuel consumption reminding method and device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198005A (en) * 2014-07-19 2014-12-10 吴明 Method for analog computation and detection of road test fuel consumption of vehicle in multiple working conditions
CN105480141A (en) * 2014-09-19 2016-04-13 中联重科股份有限公司 Control system, method and device of concrete mixer as well as concrete mixer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198005A (en) * 2014-07-19 2014-12-10 吴明 Method for analog computation and detection of road test fuel consumption of vehicle in multiple working conditions
CN105480141A (en) * 2014-09-19 2016-04-13 中联重科股份有限公司 Control system, method and device of concrete mixer as well as concrete mixer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107215289A (en) * 2016-03-22 2017-09-29 迪尔公司 The system and method determined for idle condition
CN107215289B (en) * 2016-03-22 2021-09-21 迪尔公司 System and method for idle state determination
CN107351784A (en) * 2017-06-30 2017-11-17 上海友衷科技有限公司 A kind of information processing method and device
CN109613905A (en) * 2018-11-07 2019-04-12 中国汽车技术研究中心有限公司 A kind of method and apparatus of the high oil consumption bad working environments of Dynamic Recognition heavy-duty commercial vehicle actual motion
CN109613905B (en) * 2018-11-07 2020-06-30 中国汽车技术研究中心有限公司 Method and device for dynamically identifying actual operation high-oil-consumption severe working condition of heavy commercial vehicle
CN109443467A (en) * 2018-12-14 2019-03-08 三汽车起重机械有限公司 Engineering machinery and oil consumption monitoring method
CN109902869A (en) * 2019-02-26 2019-06-18 广州恒众车联网智能电子技术有限公司 Method, apparatus, computer equipment and the storage medium that vehicle is predicted up to mileage
CN109900336A (en) * 2019-03-07 2019-06-18 中联重科股份有限公司 Concrete mixer Fuel consumption analysis method, terminal, cloud platform and system
CN112097846A (en) * 2020-08-04 2020-12-18 北京汽车股份有限公司 Vehicle fuel consumption reminding method and device

Also Published As

Publication number Publication date
CN108204841B (en) 2019-09-10

Similar Documents

Publication Publication Date Title
CN108204841B (en) Concrete mixing and transporting car oil consumption appraisal procedure and device and agitator truck
US11858172B2 (en) Concrete drum control, property prediction, and monitoring systems and methods
CN103481373B (en) Concrete mixing and transporting car and its control device and control method
CN107176166A (en) Off-highway quarry tipper loads monitoring and control recording system and loads monitoring record method
CN104040133B (en) Working truck
CN104345718B (en) Online intelligent monitoring method for working performance of concrete at construction site
CN104487303A (en) Hybrid work machine, and auto-stop control method for engine of hybrid work machine
US9500114B2 (en) Work vehicle display device and work vehicle
US9857346B2 (en) Urea water supply guidance output device for working vehicle and method of outputting urea water supply guidance of working vehicle
CN102412630B (en) Energy storage system energy capacity and capability monitor
CN102112719A (en) Fuel saving driving diagnostic equipment, fuel saving driving diagnostic system, travel control apparatus, fuel saving driving grading device, and fuel saving driving diagnostic method
WO2014023075A1 (en) Concrete mixing truck and operation method and system by matching concrete mixing truck with concrete pumping device
CN103760890A (en) Hardware-in-loop testing device and method for vehicle-mounted battery charger control device of new-energy automobile
KR20150033573A (en) Vehicle driving mode display device and computer-readable medium storing program for displaying vehicle driving mode
CN109900336A (en) Concrete mixer Fuel consumption analysis method, terminal, cloud platform and system
CN103760895A (en) Hardware-in-loop test device and method for vehicle-mounted charger control device of new energy automobile
CN106324514A (en) Vehicle battery performance testing method and vehicle battery performance testing system
CN103147830B (en) A kind of SCR exhaust gas aftertreatment system failure diagnostic apparatus
CN207449896U (en) Off-highway quarry tipper loads monitoring and control recording system
CN205265276U (en) Use intelligent movement charging system of internet
US20230291221A1 (en) Electric Powered Working Machine
CN203500182U (en) Remote fault diagnosis device for hydraulic system of forklift
DE102017108051A1 (en) AUTOMATIC BATTERY FLUID LEVEL MONITORING SYSTEM FOR VEHICLES WITH FLUTE BATTERIES AND METHOD THEREFOR
CN205353754U (en) Motor is to dragging test system
US20130218370A1 (en) Method for sampling monitoring data of construction equipment

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
GR01 Patent grant
GR01 Patent grant