Traffic guardrail monitor

Abstract

The utility model discloses a traffic guardrail monitor, including a main board and a sub-board, both of which are provided with a six-axis sensor and a magnetometer to collect the posture information of the traffic guardrail; the main board and the sub-board communicate through a wireless module; the sub-board is powered by a lithium battery, and the sub-board is provided with Hall components and strong magnetic stickers to control the power supply of the entire board. The strong magnetic stickers are installed at the induction position of the Hall components on the shell during storage or maintenance, so that the sub-board is powered off and enters a sleep mode. The traffic guardrail monitor provided by the utility model can collect the posture information of the installed object regardless of the main board and the sub-board. The sub-board uses Hall components and strong magnetic stickers to control the power supply of the entire board. During storage or maintenance, the strong magnetic stickers are installed at the Hall induction position of the shell, and the sub-board is powered off and enters a sleep mode. When in use, the strong magnet is removed, and the sub-board can work normally. It has the characteristics of low cost and low power consumption.

Description

Technical Field

[0001] The utility model relates to a monitor, in particular to a traffic guardrail monitor. Background Art

[0002] For a long time, the inspection and maintenance of urban road guardrails and traffic facilities (including highway guardrails) have relied on manual labor, which has problems such as high labor costs and untimely inspections. Especially for the monitoring of non-urban road guardrails, untimely inspections will cause a series of safety hazards, which may cause loss of life and property. Therefore, a low-cost, multi-point, long-term real-time posture detection solution is needed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a traffic guardrail monitor which can collect the posture information of the installed object for a long time and has the characteristics of low cost and low power consumption.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is to provide a traffic guardrail monitor, including a main board and a sub-board, both of which are provided with a six-axis sensor and a magnetometer to collect the posture information of the traffic guardrail; the main board and the sub-board communicate through a wireless module; the sub-board is powered by a lithium battery, and the sub-board is provided with Hall elements and strong magnetic stickers to control the power supply of the entire board. The strong magnetic stickers are installed at the induction position of the Hall element of the shell during storage or maintenance, so that the sub-board is powered off and enters a sleep mode.

[0005] The above-mentioned traffic guardrail monitor, wherein the main board includes a first main control MCU, the first main control MCU is connected to a 433MHz wireless module through an SPI bus, connected to a six-axis sensor and a magnetometer through an I2C bus, and connected to a 4G / 5G module through a uart interface; the 4G / 5G module is connected to a decoding chip through an I2S interface, and manages audio storage through an SPI interface; the 4G / 5G module communicates with a cloud server to obtain command alarms.

[0006] In the above-mentioned traffic guardrail monitor, a solar panel interface and a lithium battery interface are provided on the main board, the main board is powered by a solar panel and connected to a lithium battery for energy storage.

[0007] In the above-mentioned traffic guardrail monitor, the DC voltage output by the solar panel interface is 17-22V, and the DC voltage output by the lithium battery interface is 3.5V.

[0008] The above-mentioned traffic guardrail monitor, wherein the mainboard is provided with an onboard power amplifier to drive a 10W speaker.

[0009] The above-mentioned traffic guardrail monitor, wherein the sub-board includes a second main control MCU, the second main control MCU is connected to a 433MHz wireless module via an SPI bus, and is connected to a six-axis sensor and a magnetometer via an I2C bus; the main power module of the sub-board is connected to a lithium battery interface, powered by a 3.5V lithium battery, and whether the main power module is powered is controlled by a Hall control circuit.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the traffic guardrail monitor provided by the utility model can collect the posture information of the installed object regardless of the main board and the sub-board adopts Hall elements and strong magnetic stickers to control the power supply of the whole board. When storing or repairing, the strong magnetic stickers are installed at the Hall sensing position of the shell. At this time, the sub-board is powered off and enters the sleep mode. When in use, the strong magnet is removed and the sub-board can work normally. It has the characteristics of low cost and low power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a block diagram of the auxiliary board circuit of the utility model traffic guardrail monitor;

[0012] Figure 2 This is a mainboard circuit block diagram of the utility model traffic guardrail monitor. DETAILED DESCRIPTION

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 This is a block diagram of the auxiliary board circuit of the utility model traffic guardrail monitor; Figure 2 This is a mainboard circuit block diagram of the utility model traffic guardrail monitor.

[0015] See also Figure 1 and Figure 2 The traffic guardrail monitor provided by the utility model includes a main board and a sub-board, both of which are provided with a six-axis sensor and a magnetometer to collect the posture information of the traffic guardrail; the main board and the sub-board communicate through a wireless module; the sub-board is powered by a lithium battery, and the sub-board is provided with Hall components and strong magnetic stickers to control the power supply of the entire board. The strong magnetic stickers are installed at the induction position of the Hall components on the shell during storage or maintenance, so that the sub-board is powered off and enters a sleep mode.

[0016] Specifically, the main board includes a first main control MCU, which is connected to a 433MHz wireless module through an SPI bus, to a six-axis sensor and a magnetometer through an I2C bus, and to a 4G / 5G module through a uart interface; the 4G / 5G module is connected to a decoding chip through an I2S interface, and manages audio storage through an SPI interface; the 4G / 5G module communicates with a cloud server to obtain command alarms.

[0017] The utility model provides a traffic guardrail monitor, the main board is powered by solar panels and lithium batteries are used for energy storage. There are two sets of power supplies, one for the main control and posture detection related sensors, and the other for the 4G / 5G module and power amplifier; the 433MHz wireless module and the sub-board can support up to 30 sub-boards to communicate simultaneously. The onboard power amplifier can drive a 10W speaker to achieve audio playback and shouting.

[0018] Specifically, the sub-board includes a second main control MCU, which is connected to a 433MHz wireless module via an SPI bus, and is connected to a six-axis sensor and a magnetometer via an I2C bus; the main power module of the sub-board is connected to a lithium battery interface, powered by a 3.5V lithium battery, and is controlled by a Hall control circuit to control whether the main power module is powered. The Hall element passively controls the main power supply of the board. If there is no strong magnetic induction, the sub-board works, otherwise the sub-board enters sleep mode.

[0019] The traffic guardrail monitor provided by the utility model can obtain the posture information of the measured facility through sensors regardless of the main board or the auxiliary board; the auxiliary board communicates with the main board through a 433MHz module, the 433MHz wireless frequency communication transmission distance can reach 300m, and the main board sends the information to the cloud through a 4G / 5G module; it has the following advantages:

[0020] The mainboard solar panel is powered and can work continuously for 15 days under continuous cloudy conditions;

[0021] The sub-board is powered by lithium batteries. After the sub-board is mounted with strong magnets, it enters standby mode, and the power consumption drops below 20uA. It can be stored for 10 years, and can work continuously for 3 years after the strong magnets are removed.

[0022] The motherboard has an amplifier and audio decoding chip, which can drive a 10W speaker to play audio and human voice. The platform can configure the audio through instructions, and the audio files are stored in the corresponding module of the motherboard;

[0023] Both the main and sub boards can query the remaining power of the device through commands, set the attitude alarm threshold through commands, and set the communication frequency through commands.

[0024] The traffic guardrail monitor provided by this utility model has the following main performances:

[0025] Monitoring objects: outdoor facilities (road fences) posture;

[0026] Working voltage: main board 17-22V, sub-board 3.5V;

[0027] Alarm angle range: can be set from 1 to 135 degrees;

[0028] Battery capacity: 6.6AH with solar main board, 1.65AH with Hall sub-board;

[0029] Standby current: The sub-board uses Hall components, and a strong magnet is mounted in the sensing area to enter the standby mode. At this time, the current of the whole board is no more than 20uA, which can be stored for 10 years, and the main board has no standby;

[0030] Continuous working time: 3 years for the auxiliary board, solar power supply for the main board, and 15 consecutive days of work on cloudy days;

[0031] Data upload frequency: can be set according to the owner's requirements (24 hours optional);

[0032] Working temperature: -40 + 85 ℃;

[0033] Waterproof grade: IP68;

[0034] Using low-power six-axis sensors and magnetometers, if the fence is moved, vibrated, tilted, etc., data information is sent to the cloud server, and the monitoring platform or APP displays the current status and alarm information. The sub-board communicates with the main board via 433MHz wireless, and the main board communicates with the cloud via the 4G communication module.

[0035] The motherboard comes with a 10W speaker interface and audio decoding to play audio and human voice;

[0036] The open protocol connects to third-party platforms for easy integration and unified management.

[0037] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.

Claims

1. A traffic guardrail monitor, characterized in that: It includes a main board and a sub-board, both of which are provided with six-axis sensors and magnetometers to collect the posture information of the traffic guardrail; the main board and the sub-board communicate through a wireless module; the sub-board is powered by a lithium battery, and the sub-board is provided with Hall components and strong magnetic stickers to control the power supply of the entire board. The strong magnetic stickers are installed at the sensing position of the Hall components on the shell during storage or maintenance, so that the sub-board is powered off and enters sleep mode.

2. The traffic barrier monitor according to claim 1, characterized in that: The main board includes a first main control MCU, which is connected to a 433MHz wireless module through an SPI bus, connected to a six-axis sensor and a magnetometer through an I2C bus, and connected to a 4G / 5G module through a uart interface; the 4G / 5G module is connected to a decoding chip through an I2S interface and manages audio storage through an SPI interface; the 4G / 5G module communicates with a cloud server to obtain command alarms.

3. The traffic barrier monitor according to claim 2, characterized in that: A solar panel interface and a lithium battery interface are arranged on the main board. The main board is powered by a solar panel and connected to a lithium battery for energy storage.

4. The traffic barrier monitor according to claim 3, characterized in that: The DC voltage output by the solar panel interface is 17-22V, and the DC voltage output by the lithium battery interface is 3.5V.

5. The traffic barrier monitor according to claim 2, characterized in that: The mainboard is provided with an onboard power amplifier to drive a 10W speaker.

6. The traffic barrier monitor according to claim 1, characterized in that: The sub-board includes a second main control MCU, which is connected to a 433MHz wireless module via an SPI bus and to a six-axis sensor and a magnetometer via an I2C bus; the main power supply module of the sub-board is connected to a lithium battery interface, is powered by a 3.5V lithium battery, and controls whether the main power supply module is powered by a Hall control circuit.

Images