CN219658201U - Bus wading detection alarm device - Google Patents
Bus wading detection alarm device Download PDFInfo
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- CN219658201U CN219658201U CN202320953761.3U CN202320953761U CN219658201U CN 219658201 U CN219658201 U CN 219658201U CN 202320953761 U CN202320953761 U CN 202320953761U CN 219658201 U CN219658201 U CN 219658201U
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- Prior art keywords
- wading
- alarm
- bus
- controller
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- 241000976416 Isatis tinctoria subsp. canescens Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a bus wading detection alarm device, which is characterized in that a protection design is added outside a detector, so that false alarm caused by special situations that splashed water or wet solids are covered on a detection electrode can be effectively avoided. The alarm device can logically process after receiving the signals of the detectors, and the possibility of false alarm is reduced again.
Description
Technical Field
The utility model belongs to the technical field of automobile safety, and particularly relates to a bus wading detection alarm device.
Background
When a bus is parked in a parking lot or is driven, water accumulation is likely to occur on the ground, but a vehicle owner cannot learn the water accumulation condition, so that if the water accumulation floods the vehicle at a certain height, the vehicle can be damaged, but the vehicle owner cannot timely process the water accumulation, and the vehicle is damaged.
Aiming at the situation, the probe type electrode induction is simpler in the aspect of water accumulation and water leakage detection, the photoelectric induction is more accurate, and the ultrasonic wave type is less in use.
For the probe type water logging detector, the simplest and cheaper water logging detector which can be seen in the market at present is based on the liquid conductivity principle, when water contacts two electrodes of the probe, the impedance of the probe changes greatly, namely the air resistance and the resistance of the water are different, whether water exists or not is judged through a corresponding circuit, and an alarm signal is sent.
The existing photoelectric water immersion detector has high technical requirements and relatively high production cost. While a probe-type water immersion detector is mounted on a moving vehicle, false alarms may occur, such as water splashing onto the detector electrodes or electrodes being covered by solids with a higher moisture content.
Disclosure of Invention
The utility model aims to provide a bus wading detection alarm device which can effectively avoid false alarm caused by special situations that splashed water or wet solids are covered on a detection electrode and the like.
In order to solve the problems, the technical scheme of the utility model is as follows:
a bus wading detection alarm device, comprising: a plurality of wading alarm sensors and a controller;
the wading alarm sensors are arranged at the wading height limiting positions of the vehicle and are electrically connected with the controller; the wading alarm sensor is used for sensing wading and sending an alarm signal to the controller; a protective cover is arranged on the wading alarm sensor, and a gap is formed in the protective cover;
the controller is used for confirming the wading over-deep alarm and sending alarm information to the whole vehicle for display.
According to one embodiment of the utility model, the wading alarm sensor comprises an induction electrode, an amplifying circuit and a relay;
the impedance of the induction electrode is changed after the induction electrode is immersed in water, and a wading alarm signal is generated and transmitted to the amplifying circuit; and the amplifying circuit amplifies the wading alarm signal to drive the relay to output wading alarm information to the controller.
According to an embodiment of the utility model, a plurality of the wading alarm sensors are mounted on the inner side of a wheel or on the chassis of a vehicle.
According to one embodiment of the utility model, the installation position of the wading alarm sensor is not less than 35cm away from the ground.
According to the embodiment of the utility model, the controller is communicated with the whole vehicle through the CAN, and the alarm information is sent to the whole vehicle through the CAN message.
By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:
according to the bus wading detection alarm device provided by the embodiment of the utility model, the protection design is added outside the detector, so that false alarm caused by special situations that splashed water or wet solids are covered on the detection electrode can be effectively avoided. The alarm device can logically process after receiving the signals of the detectors, and the possibility of false alarm is reduced again.
Drawings
FIG. 1 is a schematic block diagram of a bus wading detection alarm device in an embodiment of the utility model;
fig. 2 is a schematic diagram of a controller according to an embodiment of the utility model.
Reference numerals illustrate:
1: a wading alarm sensor; 101: an induction electrode; 102: an amplifying circuit; 103: a relay; 2: a controller; 201: an MCU;202: CAN.
Detailed Description
The utility model provides a bus wading detection alarm device which is further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the utility model will become more apparent from the following description and from the claims.
Referring to fig. 1, the present embodiment provides a bus wading detection alarm device, which includes a wading alarm sensor 1 and a controller 2. The wading alarm sensor 1 comprises an induction electrode 101, an amplifying circuit 102 and a relay 103, wherein the induction electrode 101 changes impedance after being immersed in water, generates a wading alarm signal, transmits the wading alarm signal to the amplifying circuit 102, and the amplifying circuit 102 amplifies the wading alarm signal to drive the relay 103 to output wading alarm information to the controller 2. The controller 2 communicates with the whole vehicle through the CAN202, and sends alarm information to the whole vehicle through a CAN message.
The bus wading detection alarm device aims at giving an alarm for too high immersion depth when the bus runs, and a plurality of wading alarm sensors 1 are arranged at the wading height limiting positions of the bus. In practical application, a wading alarm sensor 1 can be installed on the inner sides of 4 wheels respectively, and a plurality of wading alarm sensors 1 can also be installed on a vehicle chassis. The installation position of the wading alarm sensor 1 is not less than 35cm away from the ground.
In order to avoid false alarms caused by special situations such as splashing or wet solid covering on a detection electrode, the embodiment sets a protective cover outside the water alarm sensor 1, and a gap is formed in the protective cover, so that water can permeate into the protective cover to be sensed by the water alarm sensor 1.
The controller 2 comprises an MCU201, a CAN202. The MCU201 receives the wading alarm signals transmitted by the wading alarm sensor 1, and determines whether the vehicle wades too deeply according to the number of the wading alarm signals and the alarm duration, if yes, confirms the alarm, and sends the wading too deeply alarm information to the whole vehicle for display or to the adapted display for display through the CAN202 in a CAN message. The number of wading alarm signals here may be more than 1 and the alarm duration may be 3s.
In practice, please refer to fig. 2, the controller 2 is 127mm long, 85mm wide and 37mm high. The two sides of the controller 2 are provided with extension plates for fixing, and the extension plates are provided with through holes serving as fixing holes of screws or bolts. The front end of the controller 2 is provided with a serial port, and the connecting pins of the MCU201 and the CAN202 are electrically connected with the serial port. The controller 2 has a simple structure and a small volume, so that the bus wading detection alarm device has low cost and small occupied space.
According to the bus wading detection alarm device, the protection design is added outside the wading alarm sensor, so that false alarms caused by special situations that splashed water or wet solids are covered on the detection electrode and the like can be effectively avoided. The controller can carry out logic processing after receiving signals of a plurality of wading alarm sensors, so that the possibility of false alarm is reduced again.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.
Claims (5)
1. The utility model provides a bus detection alarm device that wades which characterized in that includes: a plurality of wading alarm sensors and a controller;
the wading alarm sensors are arranged at the wading height limiting positions of the vehicle and are electrically connected with the controller; the wading alarm sensor is used for sensing wading and sending an alarm signal to the controller; a protective cover is arranged on the wading alarm sensor, and a gap is formed in the protective cover;
the controller is used for confirming the wading over-deep alarm and sending alarm information to the whole vehicle for display.
2. The bus wading detection alarm device according to claim 1, wherein the wading alarm sensor comprises an induction electrode, an amplifying circuit and a relay;
the impedance of the induction electrode is changed after the induction electrode is immersed in water, and a wading alarm signal is generated and transmitted to the amplifying circuit; and the amplifying circuit amplifies the wading alarm signal to drive the relay to output wading alarm information to the controller.
3. A bus wading detection warning device according to claim 1, in which a plurality of said wading warning sensors are mounted on the inside of the wheels or on the chassis of the vehicle.
4. A bus wading detection alarm device according to claim 3, wherein the mounting position of the wading alarm sensor is not less than 35cm from the ground.
5. The bus wading detection alarm device according to claim 1, wherein the controller communicates with the whole vehicle through a CAN, and sends the alarm information to the whole vehicle through a CAN message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320953761.3U CN219658201U (en) | 2023-04-25 | 2023-04-25 | Bus wading detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320953761.3U CN219658201U (en) | 2023-04-25 | 2023-04-25 | Bus wading detection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658201U true CN219658201U (en) | 2023-09-08 |
Family
ID=87859523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320953761.3U Active CN219658201U (en) | 2023-04-25 | 2023-04-25 | Bus wading detection alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658201U (en) |
-
2023
- 2023-04-25 CN CN202320953761.3U patent/CN219658201U/en active Active
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