CN112488596A - Data acquisition and uploading system of garbage transfer vehicle - Google Patents
Data acquisition and uploading system of garbage transfer vehicle Download PDFInfo
- Publication number
- CN112488596A CN112488596A CN202011586753.7A CN202011586753A CN112488596A CN 112488596 A CN112488596 A CN 112488596A CN 202011586753 A CN202011586753 A CN 202011586753A CN 112488596 A CN112488596 A CN 112488596A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- information
- transfer
- module
- management
- 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.)
- Pending
Links
- 238000012546 transfer Methods 0.000 title claims abstract description 85
- 238000005303 weighing Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000013528 artificial neural network Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003062 neural network model Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0633—Workflow analysis
-
- 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
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0637—Strategic management or analysis, e.g. setting a goal or target of an organisation; Planning actions based on goals; Analysis or evaluation of effectiveness of goals
- G06Q10/06375—Prediction of business process outcome or impact based on a proposed change
-
- 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
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
-
- 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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
Abstract
The invention discloses a data acquisition and uploading system of a garbage transfer vehicle, which comprises a weighing system, a video monitoring system, a vehicle-mounted terminal, a data remote conveying system and a management system, wherein the weighing system and the video monitoring system are connected with the vehicle-mounted terminal, the data remote conveying system and the management system are sequentially connected, a login interface of the management system is provided with a management authority and a user authority, and the management system comprises a user management module, a transfer vehicle information module, a transfer vehicle load module, a transfer vehicle overload module, a load inquiry module and an overload processing module. The invention can well solve the road traffic problem by weighing in the running process of the transfer vehicle, and meanwhile, the configuration of the vehicle-mounted terminal system of the transfer vehicle is suitable for analyzing and storing a large amount of data, and the detected load data can be transmitted to the management system in the running process of the transfer vehicle, thereby realizing high-speed and high-precision acquisition of the track and the load of the transfer vehicle.
Description
Technical Field
The invention relates to the technical field, in particular to a data acquisition and uploading system of a garbage transfer vehicle.
Background
With the acceleration of the urbanization process, a city manager needs to use a modern scientific and technological means to process city management problems and construct an internet-based smart city. The intelligent sanitation is used as an important link in the intelligent city, and the comprehensive supervision is implemented on a city sanitation system through a multi-network interconnection mode, so that the functions of optimizing sanitation work flow, improving management mode, improving work efficiency and service quality and the like can be realized;
along with the increasing of the yield of urban garbage, the garbage transfer vehicle is widely applied to various public places such as hospitals, schools, communities and the like, and the garbage weighing is an essential link in the garbage collecting, transporting and processing process and mainly aims at weighing the weight of the garbage and recording the garbage. In the process of collecting and transporting garbage by the garbage transfer vehicle, it is necessary to master real-time information of the garbage so as to weigh the garbage in the process of collecting and transporting, conveniently master the amount of the garbage in the vehicle and prevent the garbage from being overloaded.
Disclosure of Invention
The invention aims to provide a data acquisition and uploading system of a garbage transfer vehicle, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a data acquisition and uploading system of a garbage transfer vehicle comprises a weighing system, a video monitoring system, a vehicle-mounted terminal, a data remote conveying system and a management system, wherein the weighing system and the video monitoring system are connected with the vehicle-mounted terminal, the data remote conveying system and the management system are sequentially connected, a login interface of the management system is provided with a management authority and a user authority, and the management system comprises a user management module, a transfer vehicle information module, a transfer vehicle loading module, a transfer vehicle overload module, a load inquiry module and an overload processing module;
the user management module is used for managing information of users, the users are divided into management authorities and use authorities, and the users can add, delete and view user information after entering the management system according to the management authorities;
the transfer trolley information module is used for managing basic information of a transfer trolley, a user can check the information of the transfer trolley, and the information of the transfer trolley can be added and deleted when the user enters the system under the management authority;
the transfer vehicle loading module is used for displaying the loading value of the transfer vehicle in the last detection, including inquiring the time of loading the transfer vehicle, and a user can inquire the loading time and the loading value of the vehicle according to the license plate number;
the transfer vehicle overload module is used for displaying overload information of the truck, including all historical overload information, the information cannot be added, modified or deleted, users with any authority can only inquire the information, and the overload information of the truck can be inquired through the license plate number;
the load query module is used for enabling a user to query the current load of the transfer trolley and recording the queried information into the load database of the transfer trolley, and if the queried information is overloaded, the queried data is recorded into the overload database of the truck;
the overload processing module can automatically process the overload information obtained from the vehicle-mounted terminal, process the information and record the information content into the overload table of the transfer vehicle.
Preferably, the weighing system adopts a pull rope type sensor, is arranged between a chassis and a frame of the transfer trolley, and acquires the load information of the transfer trolley according to the length variation of the pull rope.
Preferably, the weighing system comprises a weight plate pressure sensor, a dynamic weighing vehicle guiding device and a dynamic weighing plate, wherein the weight plate pressure sensor is arranged at the bottom of the dynamic weighing plate and used for measuring the load information of the transfer trolley, and the dynamic weighing vehicle guiding device is arranged on the dynamic weighing plate and used for limiting the speed of the vehicle when the vehicle passes through the weighing plate, and meanwhile, the vehicle is required to keep moving at a constant speed to pass through the dynamic weighing plate and used for improving the weighing detection efficiency and the accuracy of a weighing result.
Preferably, the video monitoring system comprises a cloud deck, a camera and a wireless remote controller, the camera is used for carrying out transfer and snapshot and shooting of weighing pictures on the transfer vehicles, and weighing and transferring process data are backed up in the computer system.
Preferably, the remote data transmission system of the vehicle-mounted terminal and the management system has two parts, wherein one part is that the management system actively inquires the load information of the vehicle-mounted terminal, the vehicle-mounted terminal returns the load information to the management system after receiving the command, and the other part is that the vehicle-mounted terminal automatically detects the load information and automatically sends the overload information to the management system.
Preferably, the main interface of the management system adopts a dialog box mode under the MFC, the main interface consists of user login management and truck information management, and display of truck information is controlled through a Tab control.
Preferably, the vehicle-mounted terminal is provided with a USB communication module, so that local storage of a USB flash disk is realized, and the storage files comprise license plates, vehicle types, real-time, transported garbage types, weighing data, alarm events and state information.
The data acquisition and uploading system of the garbage transfer vehicle has the beneficial effects that:
1. the invention can well solve the road traffic problem by weighing in the running process of the transfer vehicle, and meanwhile, the configuration of the vehicle-mounted terminal system of the transfer vehicle is suitable for analyzing and storing a large amount of data, and the detected load data can be transmitted to the management system in the running process of the transfer vehicle, thereby realizing high-speed and high-precision acquisition of the track and the load of the transfer vehicle.
2. The invention can obtain accurate vehicle load data, the system does not need to stop, improves the vehicle weighing detection efficiency, provides monitoring for the vehicle load of the garbage, and can weigh the garbage in the garbage collecting and transporting process in the garbage transferring vehicle, grasp the real-time information of the garbage and prevent the garbage from overloading.
Drawings
FIG. 1 is a schematic block diagram of a data acquisition and upload system of a refuse transfer vehicle according to the present invention;
fig. 2 is a schematic block diagram of a management system of the data acquisition and uploading system of the refuse transfer vehicle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1, please refer to fig. 1-2, the present invention provides a technical solution: a data acquisition and uploading system of a garbage transfer vehicle comprises a weighing system, a video monitoring system, a vehicle-mounted terminal, a data remote conveying system and a management system, wherein the weighing system and the video monitoring system are connected with the vehicle-mounted terminal, the data remote conveying system and the management system are sequentially connected, a login interface of the management system is provided with a management authority and a user authority, and the management system comprises a user management module, a transfer vehicle information module, a transfer vehicle loading module, a transfer vehicle overloading module, a loading inquiry module and an overloading processing module;
the management system comprises a management system main interface, a user management module, a management system interface and a management system interface, wherein the management system main interface adopts a dialog box mode under an MFC (micro-functional integrated circuit), the main interface is composed of user login management and truck information management and controls the display of truck information through a Tab control, the user management module is used for managing the information of users, the users are divided into management authorities and use authorities, and the users can add, delete and view user information after entering the management system with the managed authorities; the transfer vehicle information module is used for managing basic information of a transfer vehicle, a user can check the information of the transfer vehicle, and the information of the transfer vehicle can be added and deleted when the user enters the system under the management authority; the transfer vehicle load module is used for displaying the load value of the transfer vehicle in the last detection, including inquiring the time of the transfer vehicle during load, and a user can inquire the load time and the load value of the vehicle according to the license plate number; the transfer vehicle overload module is used for displaying overload information of the truck, including all historical overload information, the information cannot be added, modified or deleted, users with any authority can only inquire the information, and the overload information of the truck can be inquired through the license plate number; the load query module is used for enabling a user to query the current load of the transfer trolley and recording the queried information into the load database of the transfer trolley, and if the queried information is overloaded, the queried data is recorded into the overload database of the truck; the overload processing module can automatically process the overload information obtained from the vehicle-mounted terminal, process the information and record the information content into the overload table of the transfer vehicle.
The weighing system adopts a pull rope type sensor, is arranged between a chassis and a frame of the transfer trolley, and acquires the load information of the transfer trolley according to the length variation of the pull rope.
The video monitoring system comprises a cloud deck, a camera and a wireless remote controller, the camera is used for carrying out snapshot and shooting of transferring and weighing pictures on the transfer vehicle, the data of the weighing and transferring processes are backed up in a computer system, and the video monitoring system is convenient for a road administration department to carry out inspection processing at any time.
The vehicle-mounted terminal and the remote data transmission system of the management system are provided with two parts, wherein one part is that the management system actively inquires the load information of the vehicle-mounted terminal, the vehicle-mounted terminal returns the load information to the management system after receiving a command, and the other part is that the vehicle-mounted terminal automatically detects the load information and automatically sends overload information to the management system.
The vehicle-mounted terminal is provided with a USB communication module, so that local storage of a USB flash disk is realized, and storage files comprise license plates, vehicle types, real-time, transported garbage types, weighing data, alarm events and state information.
The weighing system comprises a weight plate pressure sensor, a dynamic weighing vehicle guiding device and a dynamic weighing plate, wherein the weight plate pressure sensor is arranged at the bottom of the dynamic weighing plate and used for measuring the load information of a transfer trolley, the dynamic weighing vehicle guiding device is arranged on the dynamic weighing plate and used for limiting the speed of the vehicle passing through the weighing plate, meanwhile, the vehicle is required to keep moving at a constant speed to pass through the dynamic weighing plate and used for improving the weighing detection efficiency and the accuracy of a weighing result, a BP (back propagation) neural network is used for carrying out nonlinear modeling on the system, the neural network is trained by using field experiment data, and a neural network model of the measured vehicle weight and the measured vehicle speed is established and used for realizing dynamic weighing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rubbish transfer car (buggy) data acquisition upload system which characterized in that: the system comprises a weighing system, a video monitoring system, a vehicle-mounted terminal, a data remote conveying system and a management system, wherein the weighing system and the video monitoring system are connected with the vehicle-mounted terminal, the data remote conveying system and the management system are sequentially connected, a login interface of the management system is provided with a management authority and a user authority, and the management system comprises a user management module, a transfer vehicle information module, a transfer vehicle loading module, a transfer vehicle overload module, a load inquiry module and an overload processing module;
the user management module is used for managing information of users, the users are divided into management authorities and use authorities, and the users can add, delete and view user information after entering the management system according to the management authorities;
the transfer trolley information module is used for managing basic information of a transfer trolley, a user can check the information of the transfer trolley, and the information of the transfer trolley can be added and deleted when the user enters the system under the management authority;
the transfer vehicle loading module is used for displaying the loading value of the transfer vehicle in the last detection, including inquiring the time of loading the transfer vehicle, and a user can inquire the loading time and the loading value of the vehicle according to the license plate number;
the transfer vehicle overload module is used for displaying overload information of the truck, including all historical overload information, the information cannot be added, modified or deleted, users with any authority can only inquire the information, and the overload information of the truck can be inquired through the license plate number;
the load query module is used for enabling a user to query the current load of the transfer trolley and recording the queried information into the load database of the transfer trolley, and if the queried information is overloaded, the queried data is recorded into the overload database of the truck;
the overload processing module can automatically process the overload information obtained from the vehicle-mounted terminal, process the information and record the information content into the overload table of the transfer vehicle.
2. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the weighing system adopts a pull rope type sensor, is arranged between a chassis and a frame of the transfer trolley, and acquires the load information of the transfer trolley according to the length variation of the pull rope.
3. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the weighing system comprises a weight plate pressure sensor, a dynamic weighing vehicle guiding device and a dynamic weighing plate, wherein the weight plate pressure sensor is arranged at the bottom of the dynamic weighing plate and used for measuring the load information of the transfer trolley, the dynamic weighing vehicle guiding device is arranged on the dynamic weighing plate and used for limiting the speed of the vehicle when the vehicle passes through the weighing plate, and meanwhile, the vehicle is required to keep moving at a constant speed to pass through the dynamic weighing plate and used for improving the weighing detection efficiency and the accuracy of a weighing result.
4. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the video monitoring system comprises a cloud deck, a camera and a wireless remote controller, the camera is used for carrying out snapshot and shooting of transferring and weighing pictures on transfer vehicles, and weighing and transferring process data backup are carried out in a computer system.
5. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the vehicle-mounted terminal and the remote data transmission system of the management system are provided with two parts, wherein one part is that the management system actively inquires the load information of the vehicle-mounted terminal, the vehicle-mounted terminal returns the load information to the management system after receiving a command, and the other part is that the vehicle-mounted terminal automatically detects the load information and automatically sends the overload information to the management system.
6. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the main interface of the management system adopts a dialog box mode under the MFC, consists of user login management and truck information management, and controls the display of truck information through a Tab control.
7. The data acquisition and upload system of a garbage transfer vehicle according to claim 1, characterized in that: the vehicle-mounted terminal is provided with a USB communication module, local storage of a USB flash disk is realized, and storage files comprise license plates, vehicle types, real-time, transported garbage types, weighing data, alarm events and state information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586753.7A CN112488596A (en) | 2020-12-29 | 2020-12-29 | Data acquisition and uploading system of garbage transfer vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586753.7A CN112488596A (en) | 2020-12-29 | 2020-12-29 | Data acquisition and uploading system of garbage transfer vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112488596A true CN112488596A (en) | 2021-03-12 |
Family
ID=74914425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011586753.7A Pending CN112488596A (en) | 2020-12-29 | 2020-12-29 | Data acquisition and uploading system of garbage transfer vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112488596A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202838406U (en) * | 2012-08-28 | 2013-03-27 | 中国船舶重工集团公司第七一三研究所 | Garbage truck management system |
| KR101279693B1 (en) * | 2012-10-25 | 2013-07-05 | 수도권매립지관리공사 | Integrated information management system for waste carrying |
| WO2015156375A1 (en) * | 2014-04-11 | 2015-10-15 | 松尾アソシエイト株式会社 | Vehicle operation management system |
| CN204881814U (en) * | 2015-06-29 | 2015-12-16 | 杭州四方称重系统有限公司 | Kitchen garbage car developments automatic weighing system |
| CN205958096U (en) * | 2016-08-27 | 2017-02-15 | 郑州北斗七星通讯科技有限公司 | Interactive self -adaptation vehicle load system |
| CN110766947A (en) * | 2019-11-01 | 2020-02-07 | 杭州鲁尔物联科技有限公司 | Management system, method and equipment for overloaded vehicle |
-
2020
- 2020-12-29 CN CN202011586753.7A patent/CN112488596A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202838406U (en) * | 2012-08-28 | 2013-03-27 | 中国船舶重工集团公司第七一三研究所 | Garbage truck management system |
| KR101279693B1 (en) * | 2012-10-25 | 2013-07-05 | 수도권매립지관리공사 | Integrated information management system for waste carrying |
| WO2015156375A1 (en) * | 2014-04-11 | 2015-10-15 | 松尾アソシエイト株式会社 | Vehicle operation management system |
| CN204881814U (en) * | 2015-06-29 | 2015-12-16 | 杭州四方称重系统有限公司 | Kitchen garbage car developments automatic weighing system |
| CN205958096U (en) * | 2016-08-27 | 2017-02-15 | 郑州北斗七星通讯科技有限公司 | Interactive self -adaptation vehicle load system |
| CN110766947A (en) * | 2019-11-01 | 2020-02-07 | 杭州鲁尔物联科技有限公司 | Management system, method and equipment for overloaded vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205943084U (en) | Non -at -scene law enforcement detecting system that transfinites | |
| CN110705941B (en) | Dangerous waste storage supervision system based on Internet of things and operation method | |
| CN106628758A (en) | Side-mounted sanitation vehicle rubbish weighing system with information identification function and side-mounted sanitation vehicle | |
| CN212931612U (en) | Weighbridge management system suitable for building site material transportation | |
| CN104568093A (en) | Multifunctional integrated rail weighbridge system | |
| CN102592449B (en) | Off-site enforcement system for overloaded vehicle | |
| CN112488667A (en) | Industrial solid waste overall process real-time monitoring system and method | |
| CN206318298U (en) | The side dress sanitation cart rubbish weighing system and side dress sanitation cart recognized with information | |
| CN109816215A (en) | Vehicle arrangement operation management system in a kind of railway goods yard lifting and field | |
| CN110203586A (en) | A kind of sanitation cart weighing system and operating method | |
| CN112650132A (en) | Remote monitoring method for vibration stirring machine and remote monitoring system for vibration stirring station | |
| CN109658711A (en) | A kind of bridge overload early warning system | |
| CN112132478A (en) | Muck truck transportation management system | |
| CN104634429A (en) | Truck oversize and overload rapid detection system based on Zigbee network | |
| CN207751571U (en) | A kind of intelligent automobile weighing apparatus | |
| CN113361868B (en) | Intelligent environmental sanitation receiving and transporting analysis system based on all-condition vehicle-mounted weighing technology | |
| CN112488596A (en) | Data acquisition and uploading system of garbage transfer vehicle | |
| CN202018678U (en) | Intelligent informationization management and control system for stockyard | |
| CN106483919A (en) | A kind of Domestic Waste Collection fortune compression control method and control system | |
| CN202854919U (en) | Electronic sluice gate management system with cloud architecture | |
| CN104715331B (en) | A kind of stone digging forklift truck remote maintenance plan dynamic debugging system and method | |
| CN106153171A (en) | A kind of roller-way heat send many square billets remote auto to weigh counting point furnace system and method | |
| CN205843793U (en) | A kind of electronic loadometer system for vehicle weighing | |
| CN201594008U (en) | Intelligent ic card weighing system | |
| CN212084370U (en) | Lane-dividing type traffic data acquisition device |
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 |