CN111623862A - Remote control's wireless data transmission weighbridge system - Google Patents
Remote control's wireless data transmission weighbridge system Download PDFInfo
- Publication number
- CN111623862A CN111623862A CN202010366417.5A CN202010366417A CN111623862A CN 111623862 A CN111623862 A CN 111623862A CN 202010366417 A CN202010366417 A CN 202010366417A CN 111623862 A CN111623862 A CN 111623862A
- Authority
- CN
- China
- Prior art keywords
- instrument
- data
- lora module
- control unit
- wireless data
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/62—Over or under weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a remote control wireless data transmission wagon balance system, which comprises: pressure sensor, instrument, the control unit, first Lora module, industrial computer, second Lora module, power module. The remote control wireless data transmission wagon balance system has the advantages of low cost, low power consumption, long transmission distance and convenience for remote control.
Description
Technical Field
The invention relates to the technical field of weighbridge systems, in particular to a remote control wireless data transmission weighbridge system.
Background
With the rapid development of the current society and the wide application of the Internet of things and artificial intelligence, the technologies are convenient for the life of people and improve the working environment of people. Weighbridges are a heavily used machine and also require the intervention of modern intelligent technology to make them more convenient, more user-friendly and expand their range of use.
Most of wagon pounds commonly used in the society at present have the problems of low automation degree, low manual entry efficiency and high requirements on use environment and operators. The traditional weighbridge uses a wired cable for data transmission, and when the weighbridge is used in a remote place, a very long cable needs to be erected, so that the use cost is high; and the operator is required to have full-time, the workload of the operator is greatly increased, and the problems that data recording is wrong or untimely, wagon balance faults cannot be timely detected, the final data is inaccurate and the like easily occur on manual guard.
Therefore, it is important to develop a wireless data transmission wagon balance system capable of realizing remote control. Based on this, how to design a remote control wireless data transmission wagon balance system is the technical problem to be solved by the invention.
Disclosure of Invention
The present invention addresses the deficiencies of the prior art by providing a remotely controlled wireless data transfer wagon balance system.
The invention solves the technical problems through the following technical means:
a remotely controlled wireless data transfer weighbridge system comprising:
the pressure sensor is used for acquiring pressure information;
the instrument is connected with the pressure sensor and used for reading and processing the data of the pressure sensor;
the control unit is connected with the instrument, reads and processes the instrument data; the control unit is connected with a first Lora module;
the industrial personal computer is connected with a second Lora module; the first Lora module and the second Lora module carry out data and instruction communication through wireless transmission;
and the power supply module is used for supplying power to the pressure sensor, the instrument, the control unit and the first Lora module.
Preferably, in the remote control wireless data transmission wagon balance system, the pressure sensor is connected with the instrument through a bus RS485 to perform internal data communication transmission.
Preferably, in the remote control wireless data transmission wagon balance system, the control unit is connected with the meter through a bus RS232 to read data.
Preferably, in the remote control wireless data transmission wagon balance system, the control unit is connected with the first Lora module through a bus RS232 for data and instruction transmission.
Preferably, the second Lora module is connected with a computer through a USB serial port, receives data and sends instructions.
Preferably, in the remote control wireless data transmission wagon balance system, the control unit adopts an STM32 single chip microcomputer.
The invention has the advantages that:
the cost is low: the invention provides a system for carrying out wagon balance data transmission and remote control wagon balance in a Lora wireless mode, wherein Lora module transmission data is transmitted by using a national free frequency range of 433MHz, and a first Lora module and a second Lora module are transmitted through a wireless network and can be transmitted in a severe environment, so that a series of problems of high cost, difficulty in deployment and maintenance and the like during cable transmission are solved;
② low power consumption: the Lora module works in a 433MHz frequency channel, the channel interval is 0.1MHz, including the channel number 32, and a half-duplex serial port data transmission mode is adopted; when the module works with the power supply direct-current voltage of 12V, the emission current is 684 mA; when the direct-current voltage of the power supply is 24V, the emission current is 356 mA; under two different voltages, the waiting current of the module is 29 mA; the main frequency of the control unit STM32 is 168MHz, the power consumption is 238uA/MHz, and the requirement of low power consumption is realized;
the transmission distance is far: the Lora technology adopts a low-power consumption spread spectrum mode to carry out remote wireless transmission of data, the farthest communication distance between a Lora module and a module can reach 15km, the highest data transmission sensitivity can reach-148 dbm, the data communication delay is short, the transmitted data can be rapidly sent and received, and the Lora technology is suitable for a remote environment without a network;
fourthly, remote control: compared with the traditional cable connection control method, the invention can control the wagon balance in a wireless mode, and benefits from long-distance transmission of the Lora technology; the instrument can be controlled through the control command of the instrument.
Drawings
Fig. 1 is a control schematic block diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
A remotely controlled wireless data transfer weighbridge system comprising:
when the pressure sensor is under pressure, the voltage changes, and a chip in the pressure sensor processes and encrypts the electric signal into data which can be read by the instrument;
the instrument is connected with the pressure sensor through a bus RS485, performs internal data communication transmission, and reads and processes data of the pressure sensor; the instrument adopts a commercially available dazzling DS3 instrument;
the control unit is connected with the instrument through a bus RS232, reads instrument data and processes the instrument data; the control unit is connected with a first Lora module through a bus RS232 to transmit data and instructions; the control unit adopts an STM32 singlechip;
the industrial personal computer is connected with a second Lora module through a USB serial port; the first Lora module and the second Lora module carry out data and instruction communication through wireless transmission;
and the power supply module is used for supplying power to the pressure sensor, the instrument, the control unit and the first Lora module.
When the pressure sensor is under pressure, the voltage changes, and a chip in the pressure sensor processes and encrypts the electric signal into data which can be read by the instrument; the pressure sensor and the instrument transmit data through a bus RS485, and the instrument reads and processes encrypted data; the control unit is STM32, is connected with the meter through a bus RS232, and reads the decrypted data in the meter; the control unit is connected with the first Lora module through a bus RS232, reads and processes meter data, and sends the meter data out through the first Lora module; the second Lora module is connected with the industrial personal computer through the USB serial ports and is used for receiving data and sending instructions, the industrial personal computer receives the data and just can handle, and send instructions through the second Lora module, the control unit can be passed back to the instruction is received to first Lora module, and the control unit receives the instruction after, passes to the instrument to the data, and the instrument just can carry out corresponding operation.
The Lora module works in a 433MHz frequency channel, the channel interval is 0.1MHz, including the channel number 32, and a half-duplex serial port data transmission mode is adopted; when the module works with the power supply direct-current voltage of 12V, the emission current is 684 mA; when the direct-current voltage of the power supply is 24V, the emission current is 356 mA; under two different voltages, the waiting current of the module is 29 mA; the main frequency of the control unit STM32 is 168MHz, the power consumption is 238uA/MHz, and the requirement of low power consumption is realized;
the Lora technology adopts a low-power consumption spread spectrum mode to carry out remote wireless transmission of data, the farthest communication distance between a Lora module and a module can reach 15km, the highest data transmission sensitivity can reach-148 dbm, the data communication delay is short, the transmitted data can be rapidly sent and received, and the Lora technology is suitable for a remote environment without a network;
compared with the traditional cable connection control method, the invention can control the wagon balance in a wireless mode, and benefits from long-distance transmission of the Lora technology; the instrument can be controlled through the control instruction of the instrument;
the wireless communication secret protocol is embedded in the Lora module, so that the Lora module has the advantages of concentrated power density and strong anti-interference capability; meanwhile, the method has a software FEC algorithm, has higher coding efficiency and strong error correction capability, can actively correct interfered data packets under the condition of burst interference, and greatly improves the reliability and the transmission distance; the data transmitted by the Lora data transmission module in the air has randomness, and the data interception loses significance through a strict encryption and decryption algorithm. The data compression function has the advantages that the transmission time is reduced probabilistically, the probability of interference is reduced, and the reliability and the transmission efficiency are improved;
the Lora module and the module adopt a half-duplex data transmission mode, the two modules can perform bidirectional data transmission, and almost simultaneously receive and send data, so that the data transmission efficiency is improved;
the Lora module used in the remote control wireless data transmission wagon balance system can provide real-time and reliable data transmission, so that the system has the characteristics of low cost, convenience in installation and maintenance, low power consumption and long coverage range, and is suitable for occasions with dispersed and complex geographic environments and the like.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A remotely controlled wireless data transfer weighbridge system, comprising:
the pressure sensor is used for acquiring pressure information;
the instrument is connected with the pressure sensor and used for reading and processing the data of the pressure sensor;
the control unit is connected with the instrument, reads and processes the instrument data; the control unit is connected with a first Lora module;
the industrial personal computer is connected with a second Lora module; the first Lora module and the second Lora module carry out data and instruction communication through wireless transmission;
and the power supply module is used for supplying power to the pressure sensor, the instrument, the control unit and the first Lora module.
2. A remotely controlled wireless data transfer weighbridge system according to claim 1, wherein: the pressure sensor is connected with the instrument through a bus RS485 to perform internal data communication transmission.
3. A remotely controlled wireless data transfer weighbridge system according to claim 1, wherein: the control unit is connected with the instrument through a bus RS232 to read data.
4. A remotely controlled wireless data transfer weighbridge system according to claim 1, wherein: the control unit is connected with the first Lora module through a bus RS232 and transmits data and instructions.
5. A remotely controlled wireless data transfer weighbridge system according to claim 1, wherein: and the second Lora module is connected with a computer through a USB serial port, receives data and sends instructions.
6. A remotely controlled wireless data transfer weighbridge system according to claim 1, wherein: and the control unit adopts an STM32 singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366417.5A CN111623862A (en) | 2020-04-30 | 2020-04-30 | Remote control's wireless data transmission weighbridge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366417.5A CN111623862A (en) | 2020-04-30 | 2020-04-30 | Remote control's wireless data transmission weighbridge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623862A true CN111623862A (en) | 2020-09-04 |
Family
ID=72269810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010366417.5A Pending CN111623862A (en) | 2020-04-30 | 2020-04-30 | Remote control's wireless data transmission weighbridge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623862A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006198419A (en) * | 1998-09-11 | 2006-08-03 | Omron Healthcare Co Ltd | Health management guideline advising device |
| CN101639377A (en) * | 2009-09-03 | 2010-02-03 | 江西省交通科学研究院 | Intelligent meter weighing system based on quartz weighing sensor |
| JP3203007U (en) * | 2015-12-22 | 2016-03-03 | 山田電器工業株式会社 | Fish scale |
| CN105571690A (en) * | 2014-10-09 | 2016-05-11 | 梅特勒-托利多(常州)精密仪器有限公司 | Digital weighing sensor and sensor network |
| CN106996822A (en) * | 2017-06-05 | 2017-08-01 | 江西众加利高科技股份有限公司 | The vehicle measuring instrument of the function containing WIFI |
| CN109141596A (en) * | 2018-08-15 | 2019-01-04 | 安徽天平机械股份有限公司 | A kind of remote data wireless transmission weighbridge system based on LoRa technology |
| CN109682455A (en) * | 2019-01-18 | 2019-04-26 | 华南师范大学 | Wireless pressure sensor based on LoRa technology in weighing electronic scale |
| CN110221552A (en) * | 2018-03-01 | 2019-09-10 | 上海九物科技有限公司 | A kind of frequency-converter device and its control method of the transmission of long distance wireless data |
-
2020
- 2020-04-30 CN CN202010366417.5A patent/CN111623862A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006198419A (en) * | 1998-09-11 | 2006-08-03 | Omron Healthcare Co Ltd | Health management guideline advising device |
| CN101639377A (en) * | 2009-09-03 | 2010-02-03 | 江西省交通科学研究院 | Intelligent meter weighing system based on quartz weighing sensor |
| CN105571690A (en) * | 2014-10-09 | 2016-05-11 | 梅特勒-托利多(常州)精密仪器有限公司 | Digital weighing sensor and sensor network |
| JP3203007U (en) * | 2015-12-22 | 2016-03-03 | 山田電器工業株式会社 | Fish scale |
| CN106996822A (en) * | 2017-06-05 | 2017-08-01 | 江西众加利高科技股份有限公司 | The vehicle measuring instrument of the function containing WIFI |
| CN110221552A (en) * | 2018-03-01 | 2019-09-10 | 上海九物科技有限公司 | A kind of frequency-converter device and its control method of the transmission of long distance wireless data |
| CN109141596A (en) * | 2018-08-15 | 2019-01-04 | 安徽天平机械股份有限公司 | A kind of remote data wireless transmission weighbridge system based on LoRa technology |
| CN109682455A (en) * | 2019-01-18 | 2019-04-26 | 华南师范大学 | Wireless pressure sensor based on LoRa technology in weighing electronic scale |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105758541A (en) | Medium- and high-voltage switch cabinet temperature on-line monitoring device | |
| CN205910817U (en) | SF6 gas density wireless long -distance monitoring and early warning system | |
| CN110726895A (en) | Power quality monitoring terminal and system for power distribution network | |
| CN111063180A (en) | Remote meter reading method based on LoRa | |
| CN103017921A (en) | Networked multipoint temperature monitoring system and method for performing data communication between upper computer and same | |
| CN205719301U (en) | A kind of middle-high voltage switch temperature on-line monitoring device | |
| CN111092812A (en) | High-reliability gateway device based on MODBUS-Mqtt protocol | |
| CN205332544U (en) | Gas equipment control system | |
| CN111623862A (en) | Remote control's wireless data transmission weighbridge system | |
| CN111080996A (en) | Long-range system of checking meter based on loRa | |
| CN205646345U (en) | Smart jack based on power line communication | |
| CN111132386A (en) | Edge computing gateway based on narrowband Internet of things | |
| CN211959240U (en) | High-reliability gateway device based on MODBUS-Mqtt protocol | |
| CN106066658B (en) | Internet of things intelligent household temperature control system | |
| CN108632281A (en) | A kind of building energy consumption collecting method | |
| CN209087006U (en) | A kind of railway locomotive Train-borne recorder | |
| CN203965906U (en) | track traffic communication system | |
| CN106710189A (en) | Monitoring data acquisition and transmission device | |
| CN201237835Y (en) | Wireless network detection system of mine large electromechanical device | |
| CN111487901A (en) | Remote control system and control method for ocean data buoy power supply | |
| CN109682455A (en) | Wireless pressure sensor based on LoRa technology in weighing electronic scale | |
| CN217904570U (en) | Multi-frequency-band fusion wireless data acquisition system for petroleum well site internet of things | |
| CN117763521A (en) | Powder supervision soot blowing system of concrete mixing station | |
| CN115835049A (en) | Remote intelligent meter reading control system | |
| CN110099057B (en) | Internet of things intelligent instrument with NB communication rear gateway |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200904 |