CN100383776C - Recording method and device for vehicle transport loading unloading condition - Google Patents
Recording method and device for vehicle transport loading unloading condition Download PDFInfo
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Abstract
The present invention discloses a method and a device for recording vehicle transporting and loading-unloading conditions. Current time, the position and the speed of a vehicle are calculated by a GPS receiving module, and the quantity of deformation of a vehicle spring steel plate is detected by a sensor. When judgment results are zero speeds time after time and the quantity of deformation changes, loading-unloading states for this time is determined and current loading-unloading time, locations and states are recorded at the same time; a wireless sending-receiving module is used for sending data of loading-unloading states to a monitoring center, and otherwise, the wireless sending-receiving module is only used for recording and sending data of travelling routes. The method and device of the present invention adopts integrated design and combines the characteristic of accurate positioning of GPS with the load of the vehicle to realize a material flow monitoring function which can not be realized in the prior art, and the present invention can also record travelling routes of the vehicle at the same time.
Description
Technical field
The present invention relates to a kind of recording method and device of vehicle loading and unloading state, relate in particular to a kind of method and apparatus in conjunction with automatic station-keeping system registration of vehicle transportation loading and unloading situation.
Background technology
At present, the GPS technology has obtained a lot of application in the operation of vehicle, after in vehicle, installing the GPS receiver module, can determine the information such as current location, speed of vehicle in real time, have drive recorder in the prior art by the state parameter (as speed, mileage, oil consumption or the like) of the wheelpath of omnidistance registration of vehicle of the time interval and automobile itself; The communication chart of GPS technology and locality is in conjunction with the navigational system that constitutes, add that perhaps communication module makes Surveillance center can understand the vehicle current location in real time, constitute the dispatching system of vehicle, perhaps combine with radio communication unit and anti-theft control unit, be used for the antitheft of vehicle and tracking, or the like.But above method is just carried out record to information such as time, position, speed, has promptly just write down the ruuning situation of vehicle itself.
When transportation manages to logistics, need carry out dispatching and monitoring to subordinate's vehicle.For example, when haulage vehicles such as environmental sanitation environmental protection are managed, require haulage vehicle to carry out the fixed point transportation, promptly can not disorderly disorderly unload, to prevent the pollution of the environment; And for example, when the haulage vehicle of article such as dangerous material, explosive, chemicals is managed, haulage track, loading position etc. need strictly be controlled, do not allow to load privately and unload in non-appointed positions.
In these cases, managerial personnel are except the information relevant with the position such as the traffic route that will understand vehicle, also must know the situation of the loading and unloading of vehicle, as when where loading, pass through which type of travel route then, when arrive at last and where unload, midway whether at the assigned address loading or unloading, or the like information.The whole process of vehicle borne is noted objectively, so that managerial personnel carry out effective logistics management under without any artificial situation of intervening.And existing drive recorder just can't satisfy these requirements.
Summary of the invention
In view of this, the recording method of loading and unloading state when the technical problem to be solved in the present invention provides a kind of vehicle transport, the situation of the loading and unloading in can the registration of vehicle transportation realizes the monitoring to logistics.The present invention also will provide a kind of device of realizing said method.
In order to solve the problems of the technologies described above, the invention provides a kind of recording method of vehicle transport situation of the loading and unloading, may further comprise the steps:
(a) read current time, vehicle location and speed;
(b) judge whether speed is zero, if, carry out next step, otherwise, step (a) returned;
(c) detection is compared corresponding to the current measured value and the last record value of load-carrying, judges whether load-carrying changes, if, carry out next step, otherwise, step (a) returned;
(d) determine the state of these loading and unloading, and write down current lay time, position and state simultaneously, return step (a).
When needing the record traffic route, in described step (b), returning step (a) before, time interval of traffic route record then, note current time and position.
In order to improve the accuracy of judging whether the loading and unloading state changes, described step (c) afterwards, also the time interval to set, repeated detection present speed and dead weight capacity change, all be that speed is zero and load-carrying when changing, just execution in step (d) only in each testing result.
When being provided with Surveillance center, also behind record data, data in real time is wirelessly transmitted to Surveillance center.
Can adopt current measured value corresponding to the current measured value of load-carrying in the described step (c) to the automobile spring plate deflection.
Loading and unloading state in the described step (d) can be defined as: comprise zero load, first loading, continue loading, part unloading and complete discharge, load-carrying during with zero load is an initial value, load-carrying increases for the first time and is first loading condition, continue to increase for continuing loading condition, load-carrying reduces and is the part unloaded state greater than initial value, and it is the complete discharge state that load-carrying is reduced to initial value.
Vehicle loading and unloading pen recorder provided by the invention comprises master controller, and the real-time positioning module and the storer that are connected with controller is characterized in that, also comprise sensor, wherein:
Described sensor is used to measure the physical quantity corresponding to vehicle load, and output detection signal;
The time, position and the velocity information that provide vehicle current in real time are provided described real-time positioning module;
Described master controller, be used to read the output signal of described sensor and real-time positioning module, with comparing of described sensor output corresponding to the current measured value of vehicle load and the measured value corresponding to vehicle load of last record, judge whether load-carrying changes, in speed is zero and load-carrying when changing, with the loading and unloading state determined and current time and position data record to described storer.
Said apparatus can have following characteristics: also comprise the radio receiving transmitting module that is connected with described master controller, be used under the control of described master controller, loading and unloading state, time and the position data that writes down sent to Surveillance center in real time.
Said apparatus can have following characteristics: also comprise the RS-232 interface or the IC-card output interface that are connected with described storer.
Said apparatus can have following characteristics: also comprise the A/D modular converter that is connected with described master controller, be used to receive the simulating signal of described sensor output, export after being converted to digital signal.
In sum, the inventive method and device adopt integrated design, the characteristics of the accurate location of GPS and the load-carrying of vehicle are combined, when speed is zero and vehicle load when changing, with the loading and unloading state determined and time, place record in addition, and be wirelessly transmitted to Surveillance center, make that irrealizable monitoring function to logistics is achieved in the prior art, can monitor the situation of the loading and unloading of haulage vehicles such as environmental sanitation environmental protection, the high-risk article of loading, prevent from disorderly disorderly to unload contaminated environment or produce danger, also can simultaneously traffic route be write down and show.
Description of drawings
Fig. 1 is the functional block diagram of embodiment of the invention vehicle situation of the loading and unloading pen recorder;
Fig. 2 is the scheme of installation of embodiment of the invention deformation measurement sensor;
Fig. 3 is the process flow diagram of embodiment of the invention vehicle transport state recording method.
Embodiment
The vehicle loading and unloading pen recorder of the embodiment of the invention is except monitoring in real time the situation of the loading and unloading, the function that also has the registration of vehicle running route, wherein running route is by understanding registration of vehicle working time and position, situation of the loading and unloading then is to understand by registration of vehicle lay time, position (referring to load and unload the place) and state, and these data obtain and send in real time Surveillance center by the vehicle loading and unloading pen recorder that is installed on the automobile.
As shown in Figure 1, the vehicle situation of the loading and unloading pen recorder 100 of present embodiment mainly comprises master controller 1, GPS receiver module 2, deformation measurement sensor 3, A/D modular converter 4, storer 5, radio receiving transmitting module 6 and output interface 7.Described GPS receiver module 2, A/D modular converter 4, radio receiving transmitting module 6 and storer 5 all are connected with master controller 1 by bus, and 3 of deformation measurement sensors are connected to A/D modular converter 4, and power supply does not illustrate in the drawings, wherein:
Deformation measurement sensor 3, be used for the distortion of sense vehicle load bearing spring steel plate when loading, output skew amount signal, it is the tangent displacement sensor of WYDC-16L that present embodiment adopts model, its scheme of installation is seen Fig. 2, sensor 10 is installed on the mounting bracket 30 of automobile spring plate 20 (multilayer is arranged) below, its induction end contacts with the lower surface of steel spring plate 20, like this, when the automobile handling goods, the variation of wagon box weight can cause the change of shape of steel spring plate 20, thereby the sensor sensing end is compressed or extends, and sensor is transferred to the A/D modular converter after this induced signal is converted to voltage signal;
The steel spring plate deflection also can adopt contactless displacement transducer to measure, and mounting means and Fig. 2 are similar, just sensor discord steel spring plate contact, by optoelectronic induction or ultrasound wave measure and steel spring plate between distance; Perhaps adopt strain gauge transducer, adopt foil gauge to measure, during installation foil gauge closely is attached on the horizontal direction surface of steel spring plate, when steel plate deformed, foil gauge can deform, thereby can the output skew amount; Also can adopts pressure sensor etc., as long as can be measured to the distortion of steel spring plate.
A/D modular converter 4, the deflection analog signal conversion that is used for that deformation measurement sensor 3 is transmitted is a digital signal;
Radio receiving transmitting module 6, send to data in real time such as the time when being used for, position Surveillance center with vehicle lay time, position, state and vehicle operating, present embodiment adopts the GSM transport module of MOTOROLA, can grow the transmission of distance, but also can adopt the microwave communication module to carry out longer Distance Transmission, when carrying out short-distance transmission, can adopt the radio receiving transmitting module of TR100E model.
In the vehicle loading and unloading pen recorder of present embodiment, the module of several individual comparative maturities such as GPS, wireless transmission, deflection mensuration is integrated, the function of combination back device is strengthened greatly, can be realized comprehensive record of vehicle driving route and situation of the loading and unloading and transmission in real time.
In the present embodiment, the loading and unloading state comprises zero load, the first loading, continue to load, part unloading and complete discharge etc., state when wherein zero load refers to not freight, later on whether deflection by spring steel plate relatively and last registration value change and judge whether the loading and unloading state changes, the explanation of deflection increase for the first time vehicle is first loading condition, deflection continues to increase then for continuing loading condition, and deflection diminishes but be the part unloaded state during greater than initial value, deflection is varied down to initial value and then is the complete discharge state, the position and the time keeping of vehicle gets off by will load and unload state variation the time, just can recognize when and where vehicle has carried out loading or unloading.
The flow process of present embodiment transportation loading and unloading situation recording method may further comprise the steps as shown in Figure 3:
Must be in halted state during the vehicle loading and unloading, therefore above-mentioned flow process is only when speed is zero, variation to deflection is judged, may occur speed when considering vehicle brake is zero and situation that camber of spring also changes, perhaps because extraneous electromagnetic interference (EMI) makes the detection signal fluctuation, make the judgement of situation of the loading and unloading mistake occur, in order further to improve the accuracy of record, above-mentioned flow process is to carry out repeated detection at interval in 10 seconds, if the result all is a speed be zero and deflection change, just think the loading and unloading state variation, and record in addition, otherwise the misdescription record under the above-mentioned situation so just can not avoided in record.Interlude can be made as 20 seconds, 30 seconds or the like, and detection and the number of times of judging can be set.
On the record of traffic route, record no longer just when speed is zero, the interval time of and record non-vanishing in speed is record more then.
The vehicle management personnel also can come reading of data by RS-232 interface, can also read the data that write down in the storer by IC-card.
By the method for present embodiment, information such as the time in the time of just can writing down the traffic route of haulage vehicle and Weight Loaded and change, position, loading and unloading state, and utilize the wireless transmit function data transmission in the computer system of Surveillance center.The vehicle management personnel just can understand vehicle from what when where load and unload, through which type of travel route, when arrive at last and where load and unload situation of the loading and unloading midway or the like.Thereby realize overall monitor to logistics.
On the basis of the foregoing description, the recording method of vehicle transport situation of the loading and unloading of the present invention and device can also carry out various conversion, for example:
Traffic route can not write down and registration of vehicle transportation loading and unloading situation only;
Do not monitor in real time if do not carry out the concentrated area, radio receiving transmitting module of the foregoing description and data transmission procedure can be cancelled; In addition, if adopt the sensor of output digital quantity, also can not establish the A/D modular converter;
The GPS receiver module can replace with Big Dipper locating module, though working method difference, but the same with the GPS locating module, also can obtain information such as the current position of vehicle, speed in real time, simultaneously the Big Dipper is positioned at the sorrow gesture that has self on the adaptability to environment;
Determine that by the variation of deflection this loading and unloading state also can be finished by Surveillance center, in fact, if only from the angle of method, functions such as the calculating except that the data collection, judgement, record do not limit by car-mounted device to be finished;
Can also note the data of deflection in the above-mentioned flow process, further obtain the weight information of loading and unloading;
The specific implementation flow process of repeated detection and judgement can have multiple variation, as long as realize following logic: promptly with time interval of setting, repeated detection present speed and dead weight capacity change, all be that speed is zero and load-carrying when changing only in each testing result, just write down situation of the loading and unloading, for example can be with directly order execution of repeated detection;
Detect the deflection that method that whether load-carrying change is not limited to the measuring spring steel plate among the embodiment, also can be on the axle between the wheel installation position displacement sensor, by measure and wagon box between distance judge whether load-carrying changes;
Vehicle loading and unloading state can have different define methods, has the loading and unloading two states at least, or the like.
Thereby the various conversion of making on the basis of essence spirit of the present invention all should be included within protection scope of the present invention.
Claims (10)
1. the recording method of a vehicle transport situation of the loading and unloading may further comprise the steps:
(a) read current time, vehicle location and speed;
(b) judge whether speed is zero, if, carry out next step, otherwise, step (a) returned;
(c) detection is compared corresponding to the current measured value and the last record value of load-carrying, judges whether load-carrying changes, if, carry out next step, otherwise, step (a) returned;
(d) determine the state of these loading and unloading, and write down current lay time, position and state simultaneously, return step (a).
2. recording method as claimed in claim 1 is characterized in that, in the described step (b), is returning step (a) before, time interval of traffic route record then, note current time and position.
3. recording method as claimed in claim 1 or 2 is characterized in that, described step (c) afterwards, with the time interval of setting, repeated detection present speed and dead weight capacity change, and all are that speed is zero and load-carrying when changing, just execution in step (d) in each testing result only.
4. recording method as claimed in claim 1 or 2 is characterized in that, also data in real time is wirelessly transmitted to Surveillance center behind record data.
5. recording method as claimed in claim 1 or 2 is characterized in that, the current measured value corresponding to load-carrying in the described step (c) is the current measured value of automobile spring plate deflection.
6. recording method as claimed in claim 1 or 2, it is characterized in that, described loading and unloading state comprises zero load, first loading, continues loading, part unloading and complete discharge, load-carrying during with zero load is an initial value, load-carrying increases for the first time and is first loading condition, continue to increase to continuing loading condition, load-carrying reduces and is the part unloaded state greater than initial value, and it is the complete discharge state that load-carrying is reduced to initial value.
7. a vehicle loading and unloading pen recorder comprises master controller, and the real-time positioning module and the storer that are connected with controller is characterized in that, also comprise sensor, wherein:
Described sensor is used to measure the physical quantity corresponding to vehicle load, and output detection signal;
The time, position and the velocity information that provide vehicle current in real time are provided described real-time positioning module;
Described master controller, be used to read the output signal of described sensor and real-time positioning module, with comparing of described sensor output corresponding to the current measured value of vehicle load and the measured value corresponding to vehicle load of last record, judge whether load-carrying changes, in speed is zero and load-carrying when changing, with the loading and unloading state determined and current time and position data record to described storer.
8. pen recorder as claimed in claim 7 is characterized in that, also comprises the radio receiving transmitting module that is connected with described master controller, is used under the control of described master controller, and loading and unloading state, time and the position data that writes down sent to Surveillance center in real time.
9. pen recorder as claimed in claim 7 is characterized in that, also comprises the RS-232 interface or the IC-card output interface that are connected with described storer.
10. pen recorder as claimed in claim 7 is characterized in that, also comprises the A/D modular converter that is connected with described master controller, is used to receive the simulating signal of described sensor output, exports after being converted to digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100045530A CN100383776C (en) | 2004-02-23 | 2004-02-23 | Recording method and device for vehicle transport loading unloading condition |
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| CNB2004100045530A CN100383776C (en) | 2004-02-23 | 2004-02-23 | Recording method and device for vehicle transport loading unloading condition |
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| CN1560757A CN1560757A (en) | 2005-01-05 |
| CN100383776C true CN100383776C (en) | 2008-04-23 |
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| CN108545013A (en) * | 2018-04-09 | 2018-09-18 | 吉旗（成都）科技有限公司 | A method of based on sensor deformation calculation vehicle load and handling goods event |
| CN109669464A (en) * | 2018-07-12 | 2019-04-23 | 北京图森未来科技有限公司 | Realize the system and relevant device of automatic transport of goods |
| CN109669427A (en) * | 2018-07-12 | 2019-04-23 | 北京图森未来科技有限公司 | Realize the system and relevant device of automatic transport of goods |
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| CN110223027B (en) * | 2019-06-20 | 2022-04-01 | 吉旗物联科技（上海）有限公司 | Method and device for designing characteristic of identification parameter of cargo loading and unloading point |
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Assignee: Beijing Chuangyi new century science and Technology Development Co Ltd Assignor: Huang Tingliang Contract record no.: 2010990000478 Denomination of invention: Recording method and device for vehicle transport loading unloading condition Granted publication date: 20080423 License type: Exclusive License Open date: 20050105 Record date: 20100630 |
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