CN209591085U - Bimodulus earth magnetism vehicle checker system - Google Patents
Bimodulus earth magnetism vehicle checker system Download PDFInfo
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- CN209591085U CN209591085U CN201920426432.7U CN201920426432U CN209591085U CN 209591085 U CN209591085 U CN 209591085U CN 201920426432 U CN201920426432 U CN 201920426432U CN 209591085 U CN209591085 U CN 209591085U
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Abstract
The utility model discloses bimodulus earth magnetism vehicle checker systems, including main control MUC processor, geomagnetic sensor, radar sensor, eeprom memory, power module, LED light, bluetooth module and NB-IOT module, main control MUC processor connects geomagnetic sensor by I2C interface, main control MUC processor connects radar sensor by UART interface, main control MUC processor connects eeprom memory by 2C interface, power module is used to power to main control MUC processor, main control MUC processor connects LED light by GPIO interface, main control MUC processor connects bluetooth module by UART interface, main control MUC processor connects NB-IOT module by UART interface.By the combination of geomagnetic sensor and radar sensor, the not high problem of the accuracy of traditional single-sensor is compensated for.
Description
Technical field
The utility model relates to bimodulus earth magnetism vehicle checker systems.
Background technique
Existing most parking space detector mainly passes through infrared, ultrasonic wave, and the sensors such as earth magnetism carry out parking space state monitoring, but
Be these current single sensors all can not unusual accurate detection, it is relatively relatively low there are accuracy rate the problems such as.This patent is double
Mould earth magnetism vehicle checker system passes through the combination of geomagnetic sensor and radar sensor, compensates for the accuracy of traditional single-sensor
Not high problem.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing bimodulus earth magnetism vehicle checker system, passing through ground
The combination of Magnetic Sensor and radar sensor compensates for the not high problem of the accuracy of traditional single-sensor.
In order to solve the above-mentioned technical problem, it adopts the following technical scheme that
Bimodulus earth magnetism vehicle checker system, it is characterised in that: including main control MUC processor, geomagnetic sensor, radar sensing
Device, eeprom memory, power module, LED light, bluetooth module and NB-IOT module, the main control MUC processor pass through
I2C interface connects the geomagnetic sensor, and the main control MUC processor connects the radar sensor by UART interface,
The main control MUC processor connects the eeprom memory by 2C interface, and the power module is for giving main control MUC
Processor power supply, the main control MUC processor connect the LED light by GPIO interface, and the main control MUC processor is logical
It crosses UART interface and connects the bluetooth module, the main control MUC processor connects the NB-IOT module by UART interface.
Further, the radar sensor includes RADA radar module, and 1 interface of the RADA radar module passes through electricity
Resistance R60 is connected with power supply VCC RD, and 2 interfaces of the RADA radar module are connected with DIV/OUT by resistance R28, described
3 interfaces of RADA radar module are connected with IF I, and 4 interfaces of the RADA radar module are connected with IF Q, the RADA radar
5 interfaces of module are connected with RD TXON, and 6 interfaces of the RADA radar module are connected with VPATA, the RADA radar module
7 interfaces be connected with V TUNE, 8 interfaces of the RADA radar module are connected with power supply VCC RD, the RADA radar module
8 interfaces by capacitor C62 be connected with ground connection GND, 9 interfaces of the RADA radar module be connected with ground connection GND.
Further, the main control MUC processor is the STM32L4 series primary processor of ARM Cortex kernel.
Further, the power module is lithium Asia battery.
Further, the NB-IOT module is connected with background server.
Further, the background server receives by UDP/CoAP agreement and handles data.
Further, the background server receives by UDP/CoAP agreement and handles data.
As a result of the above technical solution, the following beneficial effects are obtained:
The utility model is bimodulus earth magnetism vehicle checker system, and this system monitors earth magnetism sensing by main control MUC processor
Whether the data variation of device, be greater than the disturbed value of geomagnetic sensor by judging vehicle a certain amount of, then starts radar sensing
Device is judged with the presence or absence of object above geomagnetic sensor.In this way it is avoided that tradition list geomagnetic sensor is that may be present
Erroneous judgement, especially some carriage underframes are higher, including aluminum vehicle body etc., may cause the disturbed value very little of geomagnetic sensor.Very
There is the blind area of geometric center point to also some cars, the ground magnetic value of geomagnetic sensor is caused to have no idea to reach sufficiently large as having
The foundation of vehicle judgement, therefore by setting radar sensor, it opens radar sensor and carries out secondary-confirmation, so that it may greatly improve
The accuracy of detection.
The main control MUC processor that this system uses is the STM32L4 series master of ARM Cortex low-power consumption series kernel
Processor acquires the state letter of the sensors such as geomagnetic sensor, radar sensor by interfaces such as I2C, UART, GPIO, ADC
Data will be passed through NB- when the combination judgement of geomagnetic sensor and radar sensor show that there is vehicle in current parking stall by breath
IOT module reaches server-side, and background server receives by UDP/CoAP agreement and handle data, leads to after completing data parsing
It crosses wechat small routine end and is supplied to user, third-party platform service can also be pushed to by standard agreements such as HTTP/HTTPS
Device realizes data sharing function.Whole system has reached top standard in the industry at present, and tradition list earth magnetism accurately only has 90% left side
The right side, and the dual mode transducer of this programme can achieve 99% or more accuracy rate.And pass through power consumption control, it is only necessary to 2 sections
The lithium Asia battery of 19Ah, may be implemented 3 years or more working lives.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of bimodulus earth magnetism vehicle checker system in the utility model；
Fig. 2 is the internal circuit diagram of radar sensor in the utility model；
Fig. 3 is the schematic diagram 1 for operating bimodulus earth magnetism vehicle checker system in the utility model by wechat small routine；
Fig. 4 is the schematic diagram 2 for operating bimodulus earth magnetism vehicle checker system in the utility model by wechat small routine；
Fig. 5 is the schematic diagram 3 for operating bimodulus earth magnetism vehicle checker system in the utility model by wechat small routine；
Fig. 6 is the schematic diagram 4 for operating bimodulus earth magnetism vehicle checker system in the utility model by wechat small routine.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments,
The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve
The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features
With the description of technology, to avoid the concept for unnecessarily obscuring the utility model.
As shown in Figure 1, bimodulus earth magnetism vehicle checker system, including main control MUC processor, geomagnetic sensor, radar sensing
Device, eeprom memory, power module, LED light, bluetooth module and NB-IOT module, the main control MUC processor pass through
I2C interface connects the geomagnetic sensor, and the main control MUC processor connects the radar sensor by UART interface,
The main control MUC processor connects the eeprom memory by 2C interface, and the power module is for giving main control MUC
Processor power supply, the main control MUC processor connect the LED light by GPIO interface, and the main control MUC processor is logical
It crosses UART interface and connects the bluetooth module, the main control MUC processor connects the NB-IOT module by UART interface.
Specifically, in the present embodiment, as shown in Fig. 2, the radar sensor includes RADA radar module, the RADA
1 interface of radar module is connected with power supply VCC RD by resistance R60, and 2 interfaces of the RADA radar module pass through resistance R28
It is connected with DIV/OUT, 3 interfaces of the RADA radar module are connected with IF I, and 4 interfaces of the RADA radar module are connected with
IF Q, 5 interfaces of the RADA radar module are connected with RD TXON, and 6 interfaces of the RADA radar module are connected with VPATA,
7 interfaces of the RADA radar module are connected with V TUNE, and 8 interfaces of the RADA radar module are connected with power supply VCC RD,
8 interfaces of the RADA radar module are connected with ground connection GND by capacitor C62, and 9 interfaces of the RADA radar module are connected with
It is grounded GND.
Specifically, in the present embodiment, the main control MUC processor is the STM32L4 series of ARM Cortex kernel
Primary processor.
Specifically, in the present embodiment, the power module is lithium Asia battery.
Specifically, in the present embodiment, the NB-IOT module is connected with background server.
Specifically, in the present embodiment, the background server receives by UDP/CoAP agreement and handles data.
Specifically, in the present embodiment, the background server receives by UDP/CoAP agreement and handles data.
This system monitors the data variation of geomagnetic sensor by main control MUC processor, by judging vehicle to earth magnetism
It is a certain amount of whether the disturbed value of sensor is greater than, and then starts radar sensor, whether there is object to geomagnetic sensor top
Judged.In this way it is avoided that the erroneous judgement that may be present of tradition list geomagnetic sensor, especially some carriage underframes are higher, including
Aluminum vehicle body etc. may cause the disturbed value very little of geomagnetic sensor.The blind area that some cars have geometric center point is even gone back, is led
It causes the ground magnetic value of geomagnetic sensor to have no idea to reach sufficiently large as the foundation for thering is vehicle to judge, therefore is sensed by setting radar
Device opens radar sensor and carries out secondary-confirmation, so that it may greatly improve the accuracy of detection.
The main control MUC processor that this system uses is the STM32L4 series master of ARM Cortex low-power consumption series kernel
Processor acquires the state letter of the sensors such as geomagnetic sensor, radar sensor by interfaces such as I2C, UART, GPIO, ADC
Data will be passed through NB- when the combination judgement of geomagnetic sensor and radar sensor show that there is vehicle in current parking stall by breath
IOT module reaches server-side, and background server receives by UDP/CoAP agreement and handle data, leads to after completing data parsing
It crosses wechat small routine end and is supplied to user, third-party platform service can also be pushed to by standard agreements such as HTTP/HTTPS
Device realizes data sharing function.Whole system has reached top standard in the industry at present, and tradition list earth magnetism accurately only has 90% left side
The right side, and the dual mode transducer of this programme can achieve 99% or more accuracy rate.And pass through power consumption control, it is only necessary to 2 sections
The lithium Asia battery of 19Ah, may be implemented 3 years or more working lives.
Bimodulus earth magnetism vehicle checker system is realized based on the MCU of ARM Cortex kernel, powerful by ARM kernel
Processing capacity is connected to server by NB-IOT network communication, realizes data after the acquisition of the data of earth magnetism and radar
Timing reports, and after server receives data, by analysis and handles, by the information real-time show of parking space state, and props up
It holds and third-party platform is sent to by server push, such effect is exactly that user can intuitively see actual conditions very much, very
It is convenient to use.
In addition, our processes in device activation, data can also be pushed by social softwares such as wechats, in this way may be used
To be interacted with client, the current parking space state of stage more intuitive understanding is debugged, the experience of client is significantly facilitated.It supports micro-
Believe that small routine carries out the activation of equipment, then the operation such as calibration is shown by list mode.Fig. 3-Fig. 6 is specifically referred to,
For the schematic diagram for operating bimodulus earth magnetism vehicle checker system by wechat small routine.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Appoint
How based on the utility model, to solve essentially identical technical problem, essentially identical technical effect is realized, madely
Simple change, equivalent replacement or modification etc., are all covered by among the protection scope of the utility model.
Claims (7)
1. bimodulus earth magnetism vehicle checker system, it is characterised in that: including main control MUC processor, geomagnetic sensor, radar sensing
Device, eeprom memory, power module, LED light, bluetooth module and NB-IOT module, the main control MUC processor pass through
I2C interface connects the geomagnetic sensor, and the main control MUC processor connects the radar sensor by UART interface,
The main control MUC processor connects the eeprom memory by 2C interface, and the power module is for giving main control MUC
Processor power supply, the main control MUC processor connect the LED light by GPIO interface, and the main control MUC processor is logical
It crosses UART interface and connects the bluetooth module, the main control MUC processor connects the NB-IOT module by UART interface.
2. bimodulus earth magnetism vehicle checker system according to claim 1, it is characterised in that: the radar sensor includes RADA
1 interface of radar module, the RADA radar module is connected with power supply VCC RD, the RADA radar module by resistance R60
2 interfaces DIV/OUT is connected with by resistance R28,3 interfaces of the RADA radar module are connected with IF I, the RADA thunder
4 interfaces up to module are connected with IF Q, and 5 interfaces of the RADA radar module are connected with RD TXON, the RADA radar module
6 interfaces be connected with VPATA, 7 interfaces of the RADA radar module are connected with V TUNE, and the 8 of the RADA radar module connect
Mouth is connected with power supply VCC RD, and 8 interfaces of the RADA radar module are connected with ground connection GND, the RADA thunder by capacitor C62
9 interfaces up to module are connected with ground connection GND.
3. bimodulus earth magnetism vehicle checker system according to claim 1, it is characterised in that: the main control MUC processor is
The STM32L4 series primary processor of ARM Cortex kernel.
4. bimodulus earth magnetism vehicle checker system according to claim 1, it is characterised in that: the power module is the sub- electricity of lithium
Pond.
5. bimodulus earth magnetism vehicle checker system according to claim 1, it is characterised in that: after the NB-IOT module is connected with
Platform server-side.
6. bimodulus earth magnetism vehicle checker system according to claim 5, it is characterised in that: the background server passes through UDP/
CoAP agreement receives and handles data.
7. bimodulus earth magnetism vehicle checker system according to claim 5, it is characterised in that: the background server passes through HTTP
Or HTTPS standard agreement, it is pushed to third-party platform server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920426432.7U CN209591085U (en) | 2019-03-29 | 2019-03-29 | Bimodulus earth magnetism vehicle checker system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920426432.7U CN209591085U (en) | 2019-03-29 | 2019-03-29 | Bimodulus earth magnetism vehicle checker system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161547A (en) * | 2020-01-21 | 2020-05-15 | 中邮科通信技术股份有限公司 | Vehicle detection system based on NB-IoT combined geomagnetic guidance microwave detection and working method thereof |
-
2019
- 2019-03-29 CN CN201920426432.7U patent/CN209591085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161547A (en) * | 2020-01-21 | 2020-05-15 | 中邮科通信技术股份有限公司 | Vehicle detection system based on NB-IoT combined geomagnetic guidance microwave detection and working method thereof |
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