CN107833313A - It is a kind of to transport polygraph on way - Google Patents
It is a kind of to transport polygraph on way Download PDFInfo
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- CN107833313A CN107833313A CN201711204049.9A CN201711204049A CN107833313A CN 107833313 A CN107833313 A CN 107833313A CN 201711204049 A CN201711204049 A CN 201711204049A CN 107833313 A CN107833313 A CN 107833313A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
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- G06Q10/0833—Tracking
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q50/10—Services
- G06Q50/26—Government or public services
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
- G07C5/0833—Indicating performance data, e.g. occurrence of a malfunction using audio means
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
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Abstract
The invention provides one kind to transport polygraph, including identity authenticating unit, vehicle-speed monitoring unit, oil level monitoring unit, GPS positioning unit, processor unit, real time clock unit, audio alert unit, memory cell, wireless communication unit and power supply power supply unit on way.The present invention can obtain the current running state information such as the human pilots of logistics vehicles, speed, oil level in real time, and combination GPS and GPRS realizations are accurately positioned and remote data transmission, and can checks logistics vehicles traveling record in time, played a significant role in logistics vehicles Real-time Alarm with checking, in the accident treatment of public security deparment and traffic police department, increase power-off record and a variety of warning functions simultaneously, can anti-robbery anti-theft, and can meet to logistics vehicles and human pilot conduct monitoring at all levels, the needs of scheduling and management.
Description
Technical field
The present invention relates to logistics multifunctional record is transported in way transportation safety monitoring technology field, more particularly to one kind on way
Instrument.
Background technology
Automobile travel recorder (automobile black box) is a kind of digital electronic tape deck of use on automobile, and it can
To be stored to status informations such as the travel speed of automobile, time, mileage and brakes.Automobile Data Recorder is to constraining human pilot
Bad steering behavior, analysis, identification road traffic accident, it is horizontal to improve traffic administration level of law enforcement and transportation management, ensures
Vehicle is safe for operation to play an important roll.
Current automobile travel recorder Technical comparing is ripe, and low-end product typically uses 8 or 16 single-chip microcomputer conducts
Primary processor, middle and high end then uses the arm processor of 32, but these products can only typically accomplish the record and prison to this car
Control, vehicle traveling record need to gather by car, be not easy to the centralized management of large-scale motorcade logistic.
The content of the invention
(1) technical problem solved
In order to solve the above problems, polygraph is transported on way the invention provides one kind, obtains logistic car in real time
Human pilot, speed, the current running state information such as oil level, and combine GPS and GPRS and realize and be accurately positioned and remotely count
According to transmission, meet to logistics vehicles and human pilot conduct monitoring at all levels, scheduling and management.
(2) technical scheme
It is a kind of to transport polygraph on way, including identity authenticating unit, vehicle-speed monitoring unit, oil level monitoring unit,
GPS positioning unit, processor unit, real time clock unit, audio alert unit, memory cell, wireless communication unit and power supply
Power supply unit；The identity authenticating unit identifies human pilot identity, the vehicle-speed monitoring unit monitoring logistics vehicles traveling speed
Degree, the oil level monitoring unit monitor logistics vehicles fuel level in tank, and the GPS positioning unit receives what GPS positioning satellite was sent
Navigation message, the identity authenticating unit, the vehicle-speed monitoring unit, the oil level monitoring unit and the GPS positioning unit
Output connects the input of the processor unit；The processor unit carries out Treatment Analysis, output and institute to the data of reception
Predicate sound alarm unit, the memory cell are connected with the wireless communication unit；The real time clock unit carries for system
For outside real-time clock；The audio alert unit carries out audio alert prompting to abnormal data；The memory cell preserves institute
State the data of processor unit processing；The processor unit by the wireless communication unit by logistics vehicles in way data and
Alarm text is uploaded to the logistics monitoring center of distal end；The power supply power supply unit provides work electricity to the other each modules of system
Pressure.
Further, the processor unit selects 32 arm processor AT91sam9260.
Further, the identity authenticating unit includes RF IC card, card reader, antenna, the first electric capacity, first and second
Resistance, wherein the card reader selects non-contact induction type card reader MTP-K4, first electric capacity is electrochemical capacitor.
Further, the vehicle-speed monitoring unit include vehicle speed sensor, the first and second operational amplifiers, triode,
First diode, the 3rd~the 11st resistance and the second~the 4th electric capacity, wherein first and second operational amplifier is selected
LM258, first diode are Schottky diode, described second and the 4th electric capacity be electrochemical capacitor.
Further, the oil level monitoring unit selects CR-606 type capacitance type oil level sensors.
Further, the GPS positioning unit selects ET-318 SiRF Star III GPS chip groups, the channel radio
Letter unit selects GPRS module SIM300C.
Further, the audio alert unit selects VODER OSYNO 6288.
Further, the memory cell selects K9F1G08U0B type 128M × 2K Nand Flash memorizers.
Further, the real time clock unit selects real-time clock/calendar chip PCF8563.
Further, the power supply power supply unit include power supply, Switching Power Supply device, the first and second voltage-stablizers, first~
7th inductance, the second~the 5th diode, the 5th~the 22nd electric capacity, the 12nd and the 13rd resistance, wherein the power supply
For Vehicular accumulator cell, the Switching Power Supply device selects LM2576HVT-ADJ, and first voltage-stablizer selects LM2940, and described
Two voltage-stablizers select LM1117, and the 5th diode is Schottky diode, and the described six, the 14th, the 15th, the 18th
It is electrochemical capacitor with the 21st electric capacity.
(3) beneficial effect
The invention provides one kind way transport polygraph, can obtain in real time logistics vehicles human pilot,
The current running state information such as speed, oil level, and combine GPS and GPRS and realize and be accurately positioned and remote data transmission, and can and
When check logistics vehicles traveling record, played in logistics vehicles Real-time Alarm with checking, in the accident treatment of public security deparment and traffic police department
Important function, while increase power-off record and a variety of warning functions, you can with anti-robbery anti-theft, and can meets to logistics vehicles and driven
Personnel's conduct monitoring at all levels, scheduling and the needs of management are sailed, its is simple in construction, and compact, cost is cheap, and system power dissipation is low, inspection
It is high to survey precision, reliability and stability are good, and fast response time, autgmentability is strong, have good application.
Brief description of the drawings
Fig. 1 is a kind of system architecture diagram that polygraph is transported on way involved in the present invention.
Fig. 2 is a kind of identity authenticating unit circuit theory diagrams that polygraph is transported on way involved in the present invention.
Fig. 3 is a kind of vehicle-speed monitoring element circuit schematic diagram that polygraph is transported on way involved in the present invention.
Fig. 4 is a kind of power supply power supply unit circuit theory diagrams that polygraph is transported on way involved in the present invention.
Embodiment
Embodiment involved in the present invention is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of transport polygraph, including identity authenticating unit, vehicle-speed monitoring unit, oil level on way
Monitoring unit, GPS positioning unit, processor unit, real time clock unit, audio alert unit, memory cell, radio communication list
Member and power supply power supply unit；Identity authenticating unit identifies human pilot identity, vehicle-speed monitoring unit monitoring logistics vehicles traveling speed
Degree, oil level monitoring unit monitoring logistics vehicles fuel level in tank, GPS positioning unit receive the navigation message that GPS positioning satellite is sent,
Identity authenticating unit, vehicle-speed monitoring unit, oil level monitoring unit and GPS positioning unit output connect the defeated of the processor unit
Enter；Processor unit carries out Treatment Analysis, output and audio alert unit, memory cell and radio communication list to the data of reception
Member is connected；Real time clock unit provides outside real-time clock for system；Audio alert unit carries out voice reporting to abnormal data
It is alert to remind；Memory cell preserves the data of the processor unit processing；Processor unit is by wireless communication unit by logistics
Vehicle is uploaded to the logistics monitoring center of distal end in way data and alarm text；Power supply power supply unit carries to the other each modules of system
For operating voltage.
In order to meet that system receives and transmitted wirelessly each side such as data control to real-time, mass data processing, gps signal
The requirement in face, processor unit select 32 arm processor AT91sam9260.AT91sam9260 is using in ARM926EJ-S
Core, external bus interface include all multi-controllers, for including controlling SDRAM and NandFlash and Compact Flash
Static memory, 10 7 road USART, 1 two-wire interface (TWI) and 4 passages A/D converters.For multitask application, its
There is high-performance, small core size and low-power consumption.
As shown in Fig. 2 identity authenticating unit includes RF IC card, card reader U1, antenna E1, electric capacity C1, resistance R1 and R2,
Wherein card reader U1 is electrochemical capacitor from non-contact induction type card reader MTP-K4, electric capacity C1.The read-write of RF IC card is with nothing
The mode of line electric wave is carried out, and when card moves on to the effective range of electromagnetic field, coil will sense read write line day in card
The electromagnetic wave that line E1 is sent, so as to obtain power supply and carry out data transmission.Card reader MTP-K4 has small volume, pin few and work(
The features such as low is consumed, operating voltage 5V, working frequency 125KHz, maximum distance of reaction are 30cm, sensing speed about 0.3s.MTP-
K4 has two kinds of output formats：Wiegand 26 and RS232TTL, RS232TTL output formats are used in the system.MTP-K4 is a total of
9 pins, it is RS232TTL output formats that pin 3, which connects high level, and antenna E1 is connected between pin 1 and pin 2.Pin 4 is hanging,
Pin 5 is the noninverting outputs of TX, is connect on AT91sam9260 RxD pin, and pin 6 is that TX anti-phase outputs are hanging.The low level of pin 7
Reset, pin 8 is grounded, and pin 9 connects 5V voltages.Human pilot identity recognition function, including driver are realized using RF IC card
The essential informations such as member's name, human pilot code, drivers license number.By RF IC card close to recorder, recorder is automatically to driving
Sail personnel identity to be verified, checking information is sent into AT91sam9260.
Obtain the basis that accurate logistics vehicles travel speed is recorder normal work.Most of automobile is fitted with car
Fast sensor, wheel, which often rotates, can then export a number of pulse for one week, and these pulses of accurate judgement are crucial.Such as Fig. 3 institutes
Show, vehicle-speed monitoring unit includes vehicle speed sensor, operational amplifier U2 and U3, triode Q1, diode D1, resistance R3~R11
With electric capacity C2~C4, it is Schottky diode that wherein operational amplifier U1 and U2, which selects LM258, diode D1, electric capacity C2 and C4
For electrochemical capacitor.High-frequency Interference is removed by the RC filtering of circuit front-end first, by follower U2, then passes through comparator U3 electricity
Road exports, and controls the triode Q1 of rear end break-make, produces stable pulse signal, is sent into AT91sam9260 and carries out processing point
Analysis.
The system installs accurate fuel level sensor additional, and logistics vehicles oil level is recorded in real time, and by being wirelessly transmitted to thing
Flow monitoring center, the oil level situation of logistics vehicles can be grasped in real time, thoroughly prevent human pilot and steal the feelings that oil sells the oily drawing private job done during work hours instead of in one's spare time
Condition occurs.Vehicle electrical environment complex jamming is more, therefore uses amperometric sensor.Oil level monitoring unit selects CR-606 type electric capacity
Formula fuel level sensor, cause change between sensor housing and induction electrode when oil enters container, suitable for any non-conductive
Liquid, accuracy of detection is high, and measurement error is less than 0.1%, 4~20mA of standard output linear current signal, by accurate electricity
Resistance conversion is good to 0.6~3V voltages southwest, and the A/D ALT-CH alternate channels for being sent into AT91sam9260 carry out Treatment Analysis.
GPS is the core that the system realizes positioning, and GPS positioning unit selects ET-318SiRF Star III GPS
Chipset, the module have a high sensitivity, quick TTFF (primary positioning time) under low signal, the full visual field tracking of 20 passages, with
Track velocity accuracy is 0.1m/s, supports NMEA0183 and SiRF binary bit agreements, and output NMEA0183 regulations are fixed by serial ports
Data message.AT91sam9260 receives recommendation location information therein, obtains time, longitude and latitude, ground speed, ground boat
To etc. information.
Travel speed threshold value is pre-set, when logistics vehicles travel speed exceedes the setting value, is considered as hypervelocity；Drive simultaneously
Sail the continuous driving time of personnel and be considered as fatigue driving more than 4h.When the checking of human pilot identity information is wrong, drives over the speed limit, fatigue
When driving or oil level exception, start voice alarm function.Audio alert unit selects VODER OSYNO 6288,
The synthesis of 4 kinds of ISN format texts such as compatible GB2312, GBK, BIG5 and Unicode, can 9600,19200,38400b/s
Etc. normal work under baud rate, increase various control order, for example synthesis, stop synthesis, pause synthesis, continue to synthesize, change
Baud rate etc., can be with automatic identification phrase, polyphone etc..Voice is by non-inverting input to loudspeaker.In OSYNO 6288
Power amplifier is equipped with, volume can be adjusted by software, and broadcasting sound is loud and clear, clear, also may be used under more noisy environment
Clearly to hear broadcasting content.Logistics vehicles are reminded human pilot by audio alert, while alarm text is passed through
Radio to logistics monitoring center.
Tachographs are the electronic installations recorded in vehicle travel process to various transport conditions, various states
Data storage is the pith of Tachographs.Because the system needs to preserve mass data：GPS location information, traveling note
Record, fatigue driving record, oil level etc., memory cell select K9F1G08U0B type 128M × 2K Nand Flash memorizers,
AT91sam9260 supports NandFlash to start, and corresponding yaffs2 file system is ripe, ensure that data
The accuracy of storage.Data inside NandFlash can be uploaded to host computer by USB standard interface or standard RS232 serial ports
It is read out.
Though AT91sam9260 onboard clocks, after it is powered off, the content of all registers of the real-time clock will all lose
Lose.Therefore, system needs to set outside real-time clock.Real time clock unit selects real-time clock/calendar chip PCF8563,
PCF8563 has brown-out detector, and when supply voltage is less than some value, the flag bit in second register will put 1, illustrate now
Real-time clock may produce clock/calendar information of inaccuracy, so as to avoid record of the recorder to wrong time.
PCF8563 can be operated in 1~5.5V wide-voltage range, have simple small volume, peripheral circuit, operation stability and essence
Spend the advantages that high, low in energy consumption.
The system is per 10s by wireless communication unit by logistics vehicles current driving speed, longitude and latitude, direction, time, oil
The status information such as position and alarm text sends logistics monitoring center to, and logistics monitoring center is worked as to human pilot and logistics vehicles
Preceding realtime monitoring, while feedback short message is sent to recorder, played out by audio alert unit and driven with timely prompting
Sail personnel.Wireless communication unit selects GPRS module SIM300C, its small volume, low-power consumption, high-speed transfer voice, SMS messaging,
Data and facsimile message, powerful ICP/IP protocol is embedded, support standard AT command set.
Automobile storage battery voltage is generally between 9~36V at present, and because vehicle environment itself influences, supply voltage is unstable,
Various interference be present, so the system realizes power supply using tertiary voltage change-over circuit.As shown in figure 4, power supply power supply unit bag
Include power supply, Switching Power Supply device U4, voltage-stablizer U5 and U6, inductance L1~L7, diode D2~D5, electric capacity C5~C22, resistance R12
And R13, wherein power supply is Vehicular accumulator cell, and Switching Power Supply device U4 selects LM2576HVT-ADJ, voltage-stablizer U5 to select LM2940,
It is Schottky diode that voltage-stablizer U6, which selects LM1117, diode D5, and electric capacity C6, C14, C15, C18 and C21 are electrochemical capacitor.
24V Vehicular accumulator cells are converted to 7V, 5V and 3.3V through LM2576HVT-ADJ, LM2940 and LM1117 respectively, and feed system is other
Each unit.24V Vehicular accumulator cells voltage conversion to 7V may apply to the system by wherein first order LM2576HVT-ADJ
Any vehicle；Second level LM2940 is by 7V voltage conversions to 5V, the ancillary equipment in feed system；Third level LM1117 is electric by 5V
Pressure conversion supplies AT91sam9260 to 3.3V.Filtered in power input by LC, AC influence can be effective filtered out, respectively
Power supply changeover device rear end eliminates ripple voltage by 100uF and 0.1uF electric capacity earth, ensures that system power supply is stable.
The invention provides one kind way transport polygraph, can obtain in real time logistics vehicles human pilot,
The current running state information such as speed, oil level, and combine GPS and GPRS and realize and be accurately positioned and remote data transmission, and can and
When check logistics vehicles traveling record, played in logistics vehicles Real-time Alarm with checking, in the accident treatment of public security deparment and traffic police department
Important function, while increase power-off record and a variety of warning functions, you can with anti-robbery anti-theft, and can meets to logistics vehicles and driven
Personnel's conduct monitoring at all levels, scheduling and the needs of management are sailed, its is simple in construction, and compact, cost is cheap, and system power dissipation is low, inspection
It is high to survey precision, reliability and stability are good, and fast response time, autgmentability is strong, have good application.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of the ordinary people in the field to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention,
All record in detail in the claims.
Claims (10)
1. a kind of transport polygraph on way, it is characterised in that：Including identity authenticating unit, vehicle-speed monitoring unit, oil level
Monitoring unit, GPS positioning unit, processor unit, real time clock unit, audio alert unit, memory cell, radio communication list
Member and power supply power supply unit；The identity authenticating unit identifies human pilot identity, and the vehicle-speed monitoring unit monitors logistic car
Travel speed, the oil level monitoring unit monitor logistics vehicles fuel level in tank, and the GPS positioning unit receives GPS location and defended
The navigation message that star is sent, the identity authenticating unit, the vehicle-speed monitoring unit, the oil level monitoring unit and the GPS
Positioning unit output connects the input of the processor unit；The processor unit carries out Treatment Analysis to the data of reception,
Output is connected with the audio alert unit, the memory cell and the wireless communication unit；The real time clock unit
Outside real-time clock is provided for system；The audio alert unit carries out audio alert prompting to abnormal data；The storage is single
Member preserves the data of the processor unit processing；The processor unit is existed logistics vehicles by the wireless communication unit
Way data and alarm text are uploaded to the logistics monitoring center of distal end；The power supply power supply unit provides to the other each modules of system
Operating voltage.
It is 2. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The processor unit choosing
With 32 arm processor AT91sam9260.
It is 3. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The identity authenticating unit
Including RF IC card, card reader, antenna, the first electric capacity, the first and second resistance, wherein the card reader is from contactless inductive
Formula card reader MTP-K4, first electric capacity are electrochemical capacitor.
It is 4. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The vehicle-speed monitoring unit
Including vehicle speed sensor, the first and second operational amplifiers, triode, the first diode, the 3rd~the 11st resistance and second
~the four electric capacity, wherein first and second operational amplifier selects LM258, first diode is the pole of Schottky two
Pipe, described second and the 4th electric capacity be electrochemical capacitor.
It is 5. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The oil level monitoring unit
From CR-606 type capacitance type oil level sensors.
It is 6. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The GPS positioning unit
From ET-318 SiRF Star III GPS chip groups, the wireless communication unit selects GPRS module SIM300C.
It is 7. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The audio alert unit
From VODER OSYNO 6288.
It is 8. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The memory cell is selected
K9F1G08U0B type 128M × 2K Nand Flash memorizers.
It is 9. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The real time clock unit
From real-time clock/calendar chip PCF8563.
It is 10. according to claim 1 a kind of in way transport polygraph, it is characterised in that：The power supply power supply is single
Member include power supply, Switching Power Supply device, the first and second voltage-stablizers, the first~the 7th inductance, the second~the 5th diode, the 5th~
The resistance of 22nd electric capacity, the 12nd and the 13rd, wherein the power supply is Vehicular accumulator cell, the Switching Power Supply device is selected
LM2576HVT-ADJ, first voltage-stablizer select LM2940, and second voltage-stablizer selects LM1117, the five or two pole
Manage as Schottky diode, the electric capacity of described six, the 14th, the 15th, the 18th and the 21st is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204049.9A CN107833313A (en) | 2017-11-27 | 2017-11-27 | It is a kind of to transport polygraph on way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204049.9A CN107833313A (en) | 2017-11-27 | 2017-11-27 | It is a kind of to transport polygraph on way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107833313A true CN107833313A (en) | 2018-03-23 |
Family
ID=61645613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711204049.9A Withdrawn CN107833313A (en) | 2017-11-27 | 2017-11-27 | It is a kind of to transport polygraph on way |
Country Status (1)
| Country | Link |
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| CN (1) | CN107833313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113344490A (en) * | 2021-05-31 | 2021-09-03 | 杭州拼便宜网络科技有限公司 | Cargo midway management method and system, computer equipment and storage medium |
-
2017
- 2017-11-27 CN CN201711204049.9A patent/CN107833313A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113344490A (en) * | 2021-05-31 | 2021-09-03 | 杭州拼便宜网络科技有限公司 | Cargo midway management method and system, computer equipment and storage medium |
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Application publication date: 20180323 |