CN101783030B - Anti-cheating pricing system and method for taxi - Google Patents
Anti-cheating pricing system and method for taxi Download PDFInfo
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- CN101783030B CN101783030B CN200910235915XA CN200910235915A CN101783030B CN 101783030 B CN101783030 B CN 101783030B CN 200910235915X A CN200910235915X A CN 200910235915XA CN 200910235915 A CN200910235915 A CN 200910235915A CN 101783030 B CN101783030 B CN 101783030B
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Abstract
The invention relates to an anti-cheating pricing system for a taxi, which comprises a mileage measuring sensor, a metering component, a monitoring component, a display and an IC card interface. The mileage measuring sensor is an encryption sensor and outputs encrypted measuring pulse signals; the metering component comprises a metering microprocessor as well as a real-time clock and a metering memory which are connected with the metering microprocessor; the monitoring component comprises a monitoring microprocessor and a monitoring memory connected with the monitoring microprocessor; the display is connected to the monitoring microprocessor; the IC card interface is respectively connected to the monitoring microprocessor and the metering microprocessor; the encryption sensor is in communication with the monitoring microprocessor and transmits the encrypted measuring pulse signals to the monitoring microprocessor which decrypts the signals to generate mileage information; the monitoring microprocessor is in communication with the metering microprocessor to generate final metering data through data interaction and operation and transmit the final metering data to the display for displaying, therefore, the cheating behavior is prevented.
Description
Technical field
The present invention relates to the taxi pricing system, or rather, relate to a kind of taxi pricing system and method with anti-cheating function.
Background technology
In China, taximeter is as a kind of measurement instrument, is used to the signal measurement mileage measuring the duration and transmit according to the mileage survey sensor, and is foundation with timing time and the mileage that records, and calculates also to show the expense that the passenger hires a car and deals with.According to the regulation of national standard, fee register should possess valuation and two basic functions of tax control at least.Fee register and mileage survey sensor constitute the pricing system of taxi jointly.
The basic structure of existing taxi pricing system is as shown in Figure 1.It comprises mileage survey sensor 110 and the fee register of being made up of gauge assembly 120, monitor component 130 and display 140 and IC-card interface 150.Wherein, the mileage survey sensor is installed on the moving component (like variator) of vehicle, is used for the mileage conversion of signals of measuring is become pulse signal and inputs to gauge assembly 120.Gauge assembly 120 calculates mileage number and charge information according to the pulse signal from mileage survey sensor 110, and to the monitor component 130 of sending.Monitor component 130 is according to the information from gauge assembly 120, and the control display shows mileage and charge information, and it is stored in the tax-controlling memory.
The pricing system of this structure can only prevent display message and the inconsistent situation of tax information, practises fraud, all has no idea to prevent through the program of revising gauge assembly and the software cheating that the k value is carried out for the pulse to sensor signal.
Summary of the invention
The present invention can effectively prevent car that impulse disturbances cheating and modes such as algorithm through distorting gauge assembly and modification k value the are practised fraud pricing system of hiring a car in order to solve the shortcoming of the anti-cheating function difference of existing taxi pricing system, to provide.
The invention provides a kind of taxi anti-cheating pricing system; Comprise mileage survey sensor, gauge assembly, monitor component, display and IC-card interface; Wherein: said mileage survey sensor is for encrypting sensor, and its output is measured pulse signal through the measurement pulse signal or the output of encryption through the measurement pulse signal and the unencrypted of encryption; Said gauge assembly comprises metering microprocessor, and real-time clock that is connected with metering microprocessor and meter store device; Said monitor component comprises monitoring microprocessor, and the monitoring memory that is connected with monitoring microprocessor; Said display is connected to monitoring microprocessor; Said IC-card interface is connected to monitoring microprocessor and metering microprocessor respectively; Said encryption sensor is communicated by letter with said metering microprocessor with said monitoring microprocessor respectively and is connected; The measurement pulse signal of said encryption is delivered to said monitoring microprocessor; Generate mileage information by said monitoring microprocessor deciphering back; Monitoring microprocessor is communicated by letter with metering microprocessor and is connected; Said metering microprocessor is according to measuring pulse signal generation charge information from the said mileage information of said monitoring microprocessor or from the said unencrypted of said encryption sensor; Said charge information comprises charged mileage and total price at least, and said metering microprocessor is given said monitoring microprocessor with said charging information transfer, and said monitoring microprocessor is compared said charged mileage number and said mileage information; If comparison result is that the two conforms to, then said monitoring microprocessor is sent to said display with said charge information and shows; Then do not control display display abnormality warning message if comparison result does not conform to, and in monitoring memory, carry out the abnormal information storage by monitoring microprocessor.
Wherein, said encryption sensor can also be connected to said metering microprocessor, transmits to said metering microprocessor and measures pulse signal.
Wherein, has bidirectional data path between said monitoring microprocessor and the said encryption sensor, so that can carry out two-way authentication between monitoring microprocessor and the encryption sensor.
Wherein, said encryption sensor comprises: the mechanical sampling unit, be used to be arranged on the taxi drive disk assembly, and rotation is sampled to wheel; The pulse generation unit is connected to said mechanical sampling unit, produces original burst signal according to its output; Filter unit is connected to said pulse generation unit, and original burst signal is carried out filtering; Sensor CPU is connected to said filter unit, and said filtered original burst signal is handled the generation digital signal; Signal driving unit is connected to said sensor CPU, for the output of digital signal and pulse signal provides driving.
The present invention also provides and has used said system to carry out the method for anti-cheating pricing.According to one embodiment of present invention, the method for anti-cheating pricing may further comprise the steps: S10: use the encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal of measuring pulse signal and encryption; S20: the measurement pulse signal of said encryption is delivered to monitoring microprocessor; After said monitoring microprocessor deciphering; Monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor; Generate the monitoring mileage, wherein, monitoring K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for fee register under the actual conditions; S30: monitoring microprocessor passes to metering microprocessor with said monitoring mileage, generates charge information by metering microprocessor according to said monitoring mileage, and said charge information comprises charged mileage and total price at least; S40: said metering microprocessor is given monitoring microprocessor with charging information transfer, the monitoring microprocessor comparison from the charged mileage number of metering microprocessor with its step S20 calculate the monitoring mileage number; S50: if step S40 comparison result is that the two conforms to, then monitoring microprocessor shows charge information at display; Do not meet then and control display display abnormality warning message, and in monitoring memory, carry out the abnormal information storage by monitoring microprocessor.
According to another embodiment of the present invention, the method for another kind of anti-cheating pricing may further comprise the steps: P10: use the encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal of measuring pulse signal and encryption; P20: said measurement pulse signal is delivered to metering microprocessor; The metering K value of the meter store device storage that links to each other with metering microprocessor by said metering microprocessor basis; Generation comprises the charge information of charged mileage number and total price; Wherein, metering K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for the fee register of meter store device storage; P30: the measurement pulse signal of said encryption is delivered to monitoring microprocessor; After said monitoring microprocessor deciphering; Monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor; Generate the monitoring mileage number, wherein, monitoring K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for fee register under the actual conditions; P40: said metering microprocessor passes to monitoring microprocessor with metering and billing information, and the monitoring microprocessor comparison is from the charged mileage number and its monitoring mileage number that calculates at step P30 of metering microprocessor; P50:, then charge information is sent to display and show if step P40 comparison result is in the error range that allows; Exceed error range,, and in monitoring memory, carry out the abnormal information storage then by monitoring microprocessor control display display abnormality warning message.
Preferably; In two kinds of above-mentioned methods; Began before metering or monitoring microprocessor transmission data at said encryption sensor; Carry out two-way authentication by said monitoring microprocessor and said encryption sensor, authentication is through then continuing step S20, and authentication is not through then controlling the display display alarm information by monitoring microprocessor.
In two kinds of above-mentioned methods, said encryption sensor comprises incremental data and the aggregate data of measuring pulse in the encrypt data of said monitoring microprocessor transmission.
In two kinds of above-mentioned methods, said metering K value and monitoring K value are when pricing system examine and determine, to write direct according to the type of taxi perhaps when examining and determine, to calculate generation by monitoring microprocessor automatically according to the practical operation situation of examining and determine vehicle.
In two kinds of above-mentioned methods, can the abnormal information of storing in the said monitoring memory be outputed in the culculating IC card through an IC-card interface, thereby make relevant device can read the abnormal information in the culculating IC card.
Beneficial effect of the present invention is, directly the pulse signal of encrypting is passed to monitoring microprocessor through encrypting sensor, because transmission is digital signal, can effectively prevent to send the cheating form of disturbing pulse.And, monitoring microprocessor control display, and carry out the comparison of mileage, it is invalid to cause revising the cheating mode that measures the K value, so the signal that directly will measure odometer sensor outputs to monitoring microprocessor, can guarantee to obtain reliable mileage.And, through monitoring microprocessor and the two-way authentication of encrypting sensor, further strengthened security, can prevent among the two that any one are changed.
Description of drawings
Fig. 1 is the structural representation of prior art taxi pricing system;
Fig. 2 is the structural representation of taxi anti-cheating pricing system first embodiment of the present invention;
Fig. 3 is the structural representation of taxi anti-cheating pricing system second embodiment of the present invention;
Fig. 4 is the structural representation of encryption sensor of the present invention;
Fig. 5 is the process flow diagram of taxi anti-cheating pricing method first embodiment of the present invention;
Fig. 6 is the process flow diagram of taxi anti-cheating pricing method second embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing system and method for the present invention is carried out detailed explanation.For the ease of technical scheme of the present invention is better understood, at first that the implication brief account of the symbol of the taxi that the present invention relates to valuation and term is following.
The fee register constant K: also claim the K value, the expression fee register is the correct umber of pulse that shows that vehicle 1km stroke must receive.Represent for every kilometer with umber of pulse.
Monitoring memory: monitoring memory is the read-write storage medium that receives the unique control of monitoring microprocessor.Have certain storage capacity, can store the data volume of respective country standard code at least.
The IC-card interface: the IC-card interface that is provided with on the fee register, driving circuit should be able to stick into the correct read-write of row, the management work of aspects such as authority can measure through this interface, the tax, vehicle to logic encryption card or CPU.
Locking control: when the function of monitoring microprocessor can not normally realize or detect abnomal condition, fee register can not show, guarantees to get into normal business state.
Fig. 2 is the structural representation of taxi anti-cheating pricing system first embodiment of the present invention.Taxi anti-cheating pricing system of the present invention comprises mileage survey sensor, gauge assembly, monitor component, display and five elements of IC-card interface.The structure of its each ingredient and annexation have carried out significantly improving on the basis of prior art Fig. 1.
Wherein, the mileage survey sensor is encrypted sensor 210 for using.Gauge assembly comprises metering microprocessor 221; And the real-time clock 223 and meter store device 222 that are connected with metering microprocessor; The structure and the prior art of gauge assembly are similar, therefore, can directly use the gauge assembly product of existing fee register when the present invention implements.Monitor component comprises monitoring microprocessor 231; And the monitoring memory 232 that is connected with monitoring microprocessor 231; Monitoring microprocessor of the present invention is different with prior art, and the operation that is mainly reflected in its execution is different with existing monitoring microprocessor, and these will detail at the back literary composition.IC-card interface 250 is connected to monitoring microprocessor 231 and metering microprocessor 221 respectively, so that authority can utilize IC-card to carry out exchanges data through this interface and the two.Encrypt sensor 210 and be connected, the measurement pulse signal through encryption of its output directly is transferred to monitoring microprocessor 231 with monitoring microprocessor 231 direct communications.Display 240 uses the display of common fee register, and display 240 unique controls that receive monitoring microprocessor 231.
Under this framework, be to send metering microprocessor to after encrypting the information processing of sensor by monitoring microprocessor, again by the metering microprocessor calculating of chargeing.
Perhaps, also can be with as shown in Figure 3, the difference of itself and Fig. 2 is that encryption sensor 210 is connected to metering microprocessor 221 simultaneously.The output of encrypting sensor is divided into two-way, and one the tunnel is the unencrypted signal, directly sends metering microprocessor 221 to, calculates charge information in view of the above by metering microprocessor; Another road is the signal of encrypting, and sends monitoring microprocessor 231 to, and monitoring microprocessor 231 is through preventing cheat monitoring from the information of metering microprocessor 221 and from the signal contrast of encrypting sensor 210.
No matter the embodiment of Fig. 2 or Fig. 3 all needs on existing monitoring microprocessor, to increase corresponding communication interface.Two kinds of solutions are arranged, the firstth, whole fee register circuit board newly to be made according to weight of structure of the present invention, such benefit is owing to be to make again, can rationally arrange positional structure and the type selecting of components and parts etc., performance can be optimized.Second kind of solution is on the basis of the monitoring microprocessor that has fee register now, to improve, and for example increases by a built-up circuit, to adapt to and to encrypt the communication interface needs of sensor.Those skilled in the art carry out corresponding circuit design when the structure that can instruct according to the present invention, here repeat no more.
The preferred structure of encrypting sensor is as shown in Figure 4.It comprises mechanical sampling unit 411, pulse generation unit 412, filter unit 413 and the sensor CPU 414 that connects successively, and the storage unit 416 and signal driving unit 415 that are connected with sensor CPU 414.Wherein, mechanical sampling unit 411, pulse generation unit 412 can use structure like these two unit classes with existing mileage survey sensor, as long as can realize the signal of vehicle movement is converted into the pulse signal that is proportional to vehicle travel.Wherein mechanical sampling unit 411 is arranged on the taxi drive disk assembly, and rotation is sampled to wheel; Pulse generation unit 412 produces original burst signal according to the output of mechanical sampling unit 411.413 pairs of original burst signal of filter unit are carried out filtering, play removal noise information wherein, effects such as standard pulse waveform.
414 pairs of filtered original burst signal of sensor CPU are handled and are generated the output signal, and this output signal can be only to export encrypted pulse signal, also can export the pulse signal of not encrypted simultaneously.Wherein said pulse signal both can be that analog pulse also can be the expression digital signal.Signal driving unit 415 mainly is that the output for sensor CPU provides driving.Signal driving unit 415 comprises signal driving unit 1 and signal driving unit 2, and being respectively applied for provides driving to analog pulse and digital signal, to satisfy different needs respectively.
The taxi pricing method of using above-mentioned two kinds of structures is respectively like Fig. 5 and shown in Figure 6.Fig. 5 encrypts sensor only to be connected to the pricing method under the situation of monitoring microprocessor (for example Fig. 2).The once valuation process of this moment begins to carry out successively following steps from pressing the car light board:
S10: use the encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal (step 510) of measuring pulse signal and encryption.Wherein encrypt the measurement pulse signal generate by predetermined in advance AES, can be with the key of encryption and decryption unique agreement between the encryption sensor of same taxi and monitor component.
After step 510 or meanwhile; Preferably execution in step S 15; Carry out two-way authentication by said monitoring microprocessor and said encryption sensor; Authentication is through then continuing step S20, and authentication is not through then locking control or control display display alarm information (step 515) by monitor microprocessors.
S20: the measurement pulse signal of said encryption is delivered to monitoring microprocessor, and after said monitoring microprocessor deciphering, the monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor generates monitoring mileage (step 520).Wherein monitor the K value and can cross the IC-card interface by the inspection cartoon in when calibrating and write, and can change along with the operational factor of vehicle and when examining and determine, carry out corresponding correction next time.But driver or taxpayer can not change monitoring K value.
S30: monitoring microprocessor passes to metering microprocessor with said monitoring mileage, generates charge information by metering microprocessor according to said monitoring mileage, and said charge information comprises charged mileage and total price (step 530) at least.If through changing accounting routine, the expense that for example changes the unit mileage changes total price to the cribber, can only come to supervise voluntarily by the consumer in this step.But consider general taxi open car kilometer and every kilometer unit price all is publicity, so the consumer only needs simple calculating can judge this type of cheating, in fact the cribber generally can not adopt yet and so be easy to the gimmick of penetrating.
S40: said metering microprocessor is given monitoring microprocessor with charging information transfer, the monitoring microprocessor comparison from the charged mileage number of metering microprocessor with its step S20 calculate monitoring mileage number (step 540).
S50: if step S40 comparison result is that the two conforms to, then monitoring microprocessor shows charge information at display; Do not meet then and control display display abnormality warning message, and in monitoring memory, carry out abnormal information storage (step 550) by monitoring microprocessor.
So, just avoided most important billing parameter---the cheating possibility of distance travelled effectively, as long as mileage number is errorless, the consumer can be easy to judge whether true and accurate of charge information.
Fig. 6 encrypts sensor to be connected to the pricing method under the situation of metering microprocessor and monitoring microprocessor (like Fig. 3) simultaneously.The once valuation process of this moment begins to carry out successively following steps from pressing the car light board:
P10: use the encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal (step 610) of measuring pulse signal and encryption.At this moment, encrypt sensor two-way output will be provided, measure pulse signal in order to output encrypted ciphertext signal and unencrypted respectively.According to metering microprocessor desired signal type, can select the pulse way of output of sensor accordingly.
P20: said measurement pulse signal is delivered to metering microprocessor, the metering K value of the meter store device storage that links to each other with metering microprocessor by said metering microprocessor basis, generation comprises the charge information (step 620) of charged mileage number and total price.Direct like this by metering microprocessor completion step-by-step counting and calculating, rapid speed.And this part work also is to be accomplished by metering microprocessor in the prior art, and is when transforming the formula constructing system, less to original system program change.
P30: the measurement pulse signal of said encryption is delivered to monitoring microprocessor, and after said monitoring microprocessor deciphering, the monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor generates monitoring mileage number (step 630).
P40: said metering microprocessor passes to monitoring microprocessor with metering and billing information, and the monitoring microprocessor comparison is from the charged mileage number and its monitoring mileage number (step 640) that calculates at step P30 of metering microprocessor.
P50:, then charge information is sent to display and show if step P40 comparison result is in the error range that allows; Exceed error range,, and in monitoring memory, carry out abnormal information storage (step 650) then by monitoring microprocessor locking control or control display display abnormality warning message.For example setting 1% to 4% error range is acceptable, also can set other error range certainly as required.
In the method for above-mentioned Fig. 5 or Fig. 6, each parameter can have different embodiment, and following explanation is with being applicable to above-mentioned each embodiment simultaneously.
Said encryption sensor comprises incremental data and the aggregate data of measuring pulse in the data of said monitoring microprocessor transmission.Thereby be convenient to monitoring microprocessor and carry out data processing and cross validation.
Said metering K value and monitoring K value can the type according to taxi be write direct when pricing system is examined and determine, and it is simple to operate to write direct, and the K value is confirmed according to parameters such as the vehicle and the time limits by corresponding administrative authority.Perhaps the K value is calculated generation by monitoring microprocessor according to the practical operation situation of calibrating vehicle automatically when calibrating; Such benefit is that the K value can more be consistent with the actual conditions of vehicle, the excessive problem of K value error of writing direct that the parameter discrete of avoiding same vehicle to cause owing to different vehicle conditions causes.
The abnormal information of storing in the said monitoring memory can output in culculating IC card or the inspection card through the IC-card interface when calibrating, thereby makes relevant device can read the abnormal information in corresponding measurement IC-card or the inspection card.Thereby all abnormal conditions to taking place on the taxi between twice calibrating are kept watch on and record comprehensively.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and within spirit that claim limits and scope, can carry out many modifications, variation or equivalence to it, but they will fall in protection scope of the present invention all.
Claims (11)
1. a taxi anti-cheating pricing system comprises mileage survey sensor, gauge assembly, monitor component, display and IC-card interface, it is characterized in that:
Said mileage survey sensor is for encrypting sensor, and its output is measured pulse signal through the measurement pulse signal or the output of encryption through the measurement pulse signal and the unencrypted of encryption;
Said gauge assembly comprises metering microprocessor, and real-time clock that is connected with metering microprocessor and meter store device;
Said monitor component comprises monitoring microprocessor, and the monitoring memory that is connected with monitoring microprocessor;
Said display is connected to monitoring microprocessor;
Said IC-card interface is connected to monitoring microprocessor and metering microprocessor respectively;
Wherein, Said encryption sensor is communicated by letter with said metering microprocessor with said monitoring microprocessor respectively and is connected; The measurement pulse signal of said encryption is delivered to said monitoring microprocessor; Generate mileage information by said monitoring microprocessor deciphering back; Said monitoring microprocessor is communicated by letter with said metering microprocessor and is connected, and said metering microprocessor is according to measuring pulse signal generation charge information from the said mileage information of said monitoring microprocessor or from the said unencrypted of said encryption sensor, and said charge information comprises charged mileage and total price at least; Said metering microprocessor is given said monitoring microprocessor with said charging information transfer; Said monitoring microprocessor is compared said charged mileage number and said mileage information, if comparison result is that the two conforms to, then said monitoring microprocessor is sent to said display with said charge information and shows; If comparison result does not conform to then by monitoring microprocessor control display display abnormality warning message, and in monitoring memory, carry out the abnormal information storage and generate final metering data and deliver to display through data interaction and computing and show.
2. taxi anti-cheating pricing system according to claim 1 is characterized in that, said encryption sensor is also connected to said metering microprocessor, transmits to said metering microprocessor and measures pulse signal.
3. anti-cheating taxi pricing system according to claim 1 and 2 is characterized in that, has bidirectional data path between said monitoring microprocessor and the said encryption sensor, so that can carry out two-way authentication between monitoring microprocessor and the encryption sensor.
4. anti-cheating taxi pricing system according to claim 1 and 2 is characterized in that said encryption sensor comprises:
The mechanical sampling unit is used to be arranged on the taxi drive disk assembly, and rotation is sampled to wheel;
The pulse generation unit is connected to said mechanical sampling unit, produces original burst signal according to its output;
Filter unit is connected to said pulse generation unit, and original burst signal is carried out filtering;
Sensor CPU is connected to said filter unit, and said filtered original burst signal is handled the generation digital signal;
Signal driving unit is connected to said sensor CPU, for the output of digital signal and pulse signal provides driving.
5. taxi anti-cheating pricing method is used to comprise it is characterized in that the taxi pricing system of mileage survey sensor, metering microprocessor, monitoring microprocessor and display, may further comprise the steps:
S10: use an encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal of measuring pulse signal and encryption;
S20: the measurement pulse signal of said encryption is delivered to monitoring microprocessor; After said monitoring microprocessor deciphering; Monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor; Generate the monitoring mileage, wherein, monitoring K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for fee register under the actual conditions;
S30: monitoring microprocessor passes to metering microprocessor with said monitoring mileage, generates charge information by metering microprocessor according to said monitoring mileage, and said charge information comprises charged mileage and total price at least;
S40: said metering microprocessor is given monitoring microprocessor with charging information transfer, the monitoring microprocessor comparison from the charged mileage number of metering microprocessor with its step S20 calculate the monitoring mileage number;
S50: if step S40 comparison result is that the two conforms to, then monitoring microprocessor shows charge information at display; Do not meet then and control display display abnormality warning message, and in monitoring memory, carry out the abnormal information storage by monitoring microprocessor.
6. method according to claim 5; It is characterized in that; Between said step S10 and step S20, also comprise step S15; Carry out two-way authentication by said monitoring microprocessor and said encryption sensor, authentication is through then continuing step S20, and authentication is not through then controlling the display display alarm information by monitor microprocessors.
7. taxi anti-cheating pricing method is used to comprise it is characterized in that the taxi pricing system of mileage survey sensor, metering microprocessor, monitoring microprocessor and display, may further comprise the steps:
P10: use an encryption sensor that vehicle movement is carried out sampling processing, produce the measurement pulse signal of measuring pulse signal and encryption;
P20: said measurement pulse signal is delivered to metering microprocessor; The metering K value of the meter store device storage that links to each other with metering microprocessor by said metering microprocessor basis; Generation comprises the charge information of charged mileage number and total price; Wherein, metering K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for the fee register of meter store device storage;
P30: the measurement pulse signal of said encryption is delivered to monitoring microprocessor; After said monitoring microprocessor deciphering; Monitoring K value according to the monitoring memory storage that links to each other with monitoring microprocessor; Generate the monitoring mileage number, wherein, monitoring K value is the correct umber of pulse that shows that vehicle 1km stroke must receive for fee register under the actual conditions;
P40: said metering microprocessor passes to monitoring microprocessor with metering and billing information, and the monitoring microprocessor comparison is from the charged mileage number and its monitoring mileage number that calculates at step P30 of metering microprocessor;
P50:, then charge information is sent to display and show if step P40 comparison result is in the error range that allows; Exceed error range,, and in monitoring memory, carry out the abnormal information storage then by monitoring microprocessor control display display abnormality warning message.
8. according to claim 5 or 7 described methods, it is characterized in that said encryption sensor comprises incremental data and the aggregate data of measuring pulse in the measurement pulse signal of the encryption of said monitoring microprocessor transmission.
9. method according to claim 5 is characterized in that, said monitoring K value is when pricing system examine and determine, to write direct according to the type of taxi or when examining and determine, calculate generation by monitoring microprocessor automatically according to the practical operation situation of examining and determine vehicle.
10. method according to claim 7; It is characterized in that said metering K value and monitoring K value are when pricing system examine and determine, to write direct according to the type of taxi perhaps when examining and determine, to calculate generation by monitoring microprocessor automatically according to the practical operation situation of examining and determine vehicle.
11. according to claim 5 or 7 described methods, it is characterized in that, with the abnormal information of storing in the said monitoring memory, output in the culculating IC card, thereby make relevant device can read the abnormal information in the culculating IC card through an IC-card interface.
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| CN200910235915XA CN101783030B (en) | 2009-10-29 | 2009-10-29 | Anti-cheating pricing system and method for taxi |
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| CN200910235915XA CN101783030B (en) | 2009-10-29 | 2009-10-29 | Anti-cheating pricing system and method for taxi |
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| CN101783030B true CN101783030B (en) | 2012-04-25 |
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| CN112254740A (en) * | 2020-10-22 | 2021-01-22 | 广东云智信息科技有限公司 | Method for measuring revolution of output shaft of motor vehicle gearbox |
| CN113554765A (en) * | 2021-06-15 | 2021-10-26 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Taxi mileage supervision method and system based on GPS positioning |
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| CN1417691A (en) * | 2001-10-31 | 2003-05-14 | 厦门雅迅网络股份有限公司 | Valuator tax information transmitting method |
| CN2667461Y (en) * | 2003-09-16 | 2004-12-29 | 陈继努 | Intelligent odometer |
| CN200983179Y (en) * | 2006-07-07 | 2007-11-28 | 陈鸣 | Wireless down wind management system |
| CN101136109A (en) * | 2006-08-30 | 2008-03-05 | 上海大众科技有限公司 | Taximeter with GPS position location system |
-
2009
- 2009-10-29 CN CN200910235915XA patent/CN101783030B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096086U (en) * | 1991-05-11 | 1992-02-12 | 朱富升 | Automatic mileage price meter |
| CN2347207Y (en) * | 1998-11-13 | 1999-11-03 | 广东京粤电脑技术研究开发中心 | Tax controlled taximeter |
| CN1417691A (en) * | 2001-10-31 | 2003-05-14 | 厦门雅迅网络股份有限公司 | Valuator tax information transmitting method |
| CN2667461Y (en) * | 2003-09-16 | 2004-12-29 | 陈继努 | Intelligent odometer |
| CN200983179Y (en) * | 2006-07-07 | 2007-11-28 | 陈鸣 | Wireless down wind management system |
| CN101136109A (en) * | 2006-08-30 | 2008-03-05 | 上海大众科技有限公司 | Taximeter with GPS position location system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101783030A (en) | 2010-07-21 |
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