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TBS-201 Wireless Vehicle detector
TBS-201 Wireless Vehicle Detector
User Manual
TBS-201 Wireless Vehicle detector
Content
1. Overview .......................................................................................................................................... 1
2. Product Model ............................................................................................................................... 1
3. Key Features .................................................................................................................................... 1
4. Main Function................................................................................................................................. 1
5. Application Scenarios .................................................................................................................. 2
6. Production Specification............................................................................................................. 2
7. Structure Size .................................................................................................................................. 3
8. Working Principle .......................................................................................................................... 4
8.1. Working Principle .............................................................................................................. 4
8.2. Wireless Communication Working Principle ........................................................... 5
TBS-201 Wireless Vehicle detector
9. Installation ....................................................................................................................................... 5
9.1. Installation requirements ................................................................................................ 5
9.2. Installation Steps ............................................................................................................... 5
10. WeChat Applet Introduction................................................................................................... 8
10.1. Add WeChat Applet ....................................................................................................... 8
10.2. Enable Bluetooth connection ..................................................................................... 9
11. Notes ............................................................................................................................................ 10
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1. Overview
TBS-201 wireless vehicle detector is a wireless geomagnetic sensor integrated with LoRa
and microwave technology. Using effective dual-mode joint algorithm, the detector realize
precise parking spot detecting function and can be widely used in intelligent traffic, smart
community, smart parking and other applications.
TBS-201, LoRa gateway and smart parking application management platform form smart
parking management system, which works as a whole smart parking solution. TBS-201 is
compatible with LoRaWAN protocol , can communicate with gateway which compatible
with LoRaWAN protocol.
The data collected by the detector and transferred to application platform can be
explained, detailed information please refer to < TBS-201 application protocol>.
2. ProductModel
TBS-201: Wireless vehicle detector (dual mode, with geomagnetic and microwave
sensor)
3. KeyFeatures
High detection precision, adjustable detection threshold
Build-in intelligent procession, Automatic drift compensation, stable and reliable
performance
Long wireless transmission distance
Transmission parameters can be set optionally
Parameters can be configured via Bluetooth
Low power consumption, long battery life
Compact size, easy to install
4. MainFunction
Report parking state timely
Low power alarm
Detector failure alarm
Report working states regularly
Support reset and calibration automatically or manually
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5. ApplicationScenarios
Industrial parks
On road parking space
Commercial parking slot
Other public parking slot
Note: The strong magnetic field or the field where magnetic varies greatly are not suitable
for the detector use.
6. ProductionSpecification
Basic Specification
Working Frequency AU915, AS923
Communication Standard LoRaWANTM, Class A
Transmitting Power Maximum 20dBm
Receiving Sensitivity -135 dBm ( SF12,125KHz)
Detection Rate >99%
Bluetooth Calibration Auto calibration after device wake-up via Bluetooth
Downlink Configuration Calibration, detection threshold, heartbeat interval
Uplink Alarm Low power alarm, failure alarm
Software Upgrade Wireless upgrade
Power Supply Build-in battery, 3.6V, 38000mAh
Power Switch Strong magnetic switch
Battery Life >10 yrs, in typical working state[1]
Bearing Weight >10 tonnes
IP Grade IP68
Working Temperature -40℃~85℃
Storage Temperature -50℃~85℃
Working Humidity 10%~95%
Environment Requirement There are no ferromagnetic materials, no strong magnetic
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field nearby. no Metal shield cover the detector.
Size Φ: 130mm, H: 87mm
Weight 800g
Note[1]：Typical working state means the device report information every 12 hours, there
are 5 times for vehicles come in and go out to a parking space a day.
Microwave Antenna Specification (TBS-201 only)
Item Receiving antenna Transmitting antenna
Vertical 3dB main lobe width 38° 38°
Horizontal 3dB main lobe width 38° 38°
Minor lobe level ≥15dB ≥15dB
7. StructureSize
Figure 1. TBS-201 dimensions
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8. WorkingPrinciple
8.1. Working Principle
The frame and shell of a car are made of ferromagnetic material (various types of steel),
which make disturbance to surrounding magnetic field. According to this characteristic,
the parking sensor determines whether there is a car in the parking space by sensing the
magnetic field change. With build-in dual-sensors (geomagnetic sensor and microwave
sensor), powerful signal analysis and processing algorithm, the detector offers enhanced
information, especially acquire complementary and optimization to the reverse sensitivity
characteristics of chassis with different height.
Compared with traditional device with single sensor, TBS-201 can greatly improve the
detection accuracy and reduce information loss. The detection mechanism is show as
below.
1) Geomagnetic sensor detects the magnetic field lines which distorted by ferrous
metal of the vehicle, magnetic field strength obtained as the vehicle presence and
movement with the magnetic sensor.
2) Microwave Radar module emits wireless modulation wave and receives the
reflective signals to determine if the parking spot is occupied and vacant
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8.2. Wireless Communication Working Principle
With build-in wireless transmission module, TBS-201 can communicate with LoRaWAN
gateway and smart parking application server located in cloud or in local.
Vehicle detector, LoRaWAN gateway, application server and smart parking application
(APP) composite of the Smart Parking system. Shown as figure 2.
Figure 2. Smart Parking System
9. Installation
9.1. Installation requirements
1. Please try to install in the daytime and finish the installation as soon as possible.
2. Please pay attention to road safety and wear orange or other color clothes.
3. Tool:
a. Ruler: Measure the installation position and the hole depth.
b. Marking pen: mark the installation position.
c. Drill: Drill holes on the ground at the installation position.
d. Cleaning brush: clear sundries in holes.
e. Scoop: mixing cement, marble glue and curing agent.
9.2. Installation Steps
1. Product Check
Take out the product and make sure appearance is not damaged. Check if the label
pastes tight on the product and label information (include the DevEUI and other
parameters which used to device registration) is clear. As shown in figure 3.
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Figure 3. Product appearance and label
Note: To restart or calibrate TBS-201, place the magnet in the groove at the top of the
device and stay for 1~5 seconds, then move away.
2. Drill hole
a. Mark the installation position
According to the design of parking space, select the installation position and mark the
position, provide a code for the parking space. Usually the device is installed in the middle
of the parking space. Shown as figure 4.
Figure 4. TBS-201 installation position
b. Drill a hole
Drill a hole at the marked position, pay attention to measure the hole depth so that
TBS-201 surface will be placed a bit lower low road surface. Shown as figure 5.
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Figure 5. drill a hole
c. Clear the sundries and fill the hole with cement
Clear the sundries in the hole, put water, quick dry cement to the hole and stir evenly.
d. Place device.
Put the device into the hole, compact the cement, make sure the device surface is aligned
to or a bit lower than the road surface, finally remove the extra cement.
Note:
Make sure cement do not cover the TBS-201 surface and the spiral slit. the spiral slit
is shown as the figure 6. Once the spiral slit is sealed with cement, the device will be
hard to remove for device maintenance or replacement.
Figure 6. the spiral slit is marked in red circle
Keep device is placed in horizontal position, cement is compacted tightly to avoid the
device cause inclination or subsidence once tires rolling over the device.
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