CN212828110U - Automobile wading water level alarm device and automobile - Google Patents
Automobile wading water level alarm device and automobile Download PDFInfo
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- CN212828110U CN212828110U CN202021709653.4U CN202021709653U CN212828110U CN 212828110 U CN212828110 U CN 212828110U CN 202021709653 U CN202021709653 U CN 202021709653U CN 212828110 U CN212828110 U CN 212828110U
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Abstract
The utility model discloses a car water level alarm device that paddles relates to car technical field, and it includes level sensor, comparison circuit and alarm, level sensor installs on vehicle chassis, just level sensor's power end is connected to on the ordinary electricity of car, comparison circuit's input with level sensor's output electric connection, comparison circuit's output is connected to on the alarm for when level sensor monitoring signal is greater than preset threshold value, start the alarm is reported to the police. The utility model also discloses a car of including above-mentioned car water level alarm device that paddles. The utility model discloses protect user's personal safety and property safety to its simple structure easily realizes, but the wide application in the parking or go.
Description
Technical Field
The utility model relates to the technical field of automobiles, concretely relates to car water level alarm device and car wade.
Background
In recent years, many cases in which an automobile is soaked with standing water while being parked or driven have been frequently generated due to heavy rainfall. When the automobile is parked or driven, the problems of damp automobile system, water inlet short circuit and damage of various electrical elements in the automobile are caused due to the fact that accumulated water on the road surface rises. Therefore, a need exists for a vehicle wading level alarm with a simple and practical structure to address the problem of water logging during parking or driving.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a water level alarm device is waded by a car, its simple structure easily realizes, protects user's personal safety and property safety.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a water level alarm device is paddled to car, its includes level sensor, comparison circuit and alarm, level sensor installs on vehicle chassis, just level sensor's power end is connected to on the ordinary electricity of car, comparison circuit's input with level sensor's output electric connection, comparison circuit's output is connected to on the alarm for when level sensor monitoring signal is greater than preset threshold value, start the alarm reports to the police.
As an alternative embodiment, the power supply terminal of the liquid level sensor is connected to a battery of the vehicle through a voltage reduction circuit, and a main switch is connected in series between the voltage reduction circuit and the power supply terminal of the liquid level sensor, and the main switch is installed in the vehicle.
As an alternative embodiment, the voltage-reducing circuit includes a voltage-reducing chip U1, an input filter circuit and an output filter circuit, the positive electrode of the battery is connected to the input terminal of the voltage-reducing chip U1 through the input filter circuit, and the output terminal of the voltage-reducing chip U1 is connected to one end of the main switch through the output filter circuit.
As an alternative embodiment, the comparison circuit comprises a receiver and a controller, the output end of the liquid level sensor is connected to the input end of the controller through the receiver, and the output end of the controller is connected to an alarm through an electronic switch.
As an alternative embodiment, the receiver is a digital-to-analog converter; or/and the controller is AT89C 51.
As an optional embodiment, the electronic switch is an NPN triode, the output end of the controller is connected to the base of the NPN triode, the emitter of the NPN triode is grounded, and the collector of the NPN triode is connected to the normal power through the alarm.
As an alternative embodiment, the comparison circuit is a comparator, the output end of the liquid level sensor is connected to the non-inverting input end of the comparator, the inverting input end of the comparator is connected to the reference power supply end, and the output end of the comparator is connected to the alarm through an electronic switch.
As an optional embodiment, the electronic switch is an NPN triode, the output end of the comparator is connected to the base of the NPN triode, the emitter of the NPN triode is grounded, and the collector of the NPN triode is connected to the normal power through the alarm.
As an alternative embodiment, the liquid level sensor is an ultrasonic liquid level sensor, and the ultrasonic liquid level sensor is installed at the lower side of the corresponding chassis position of the engine.
As an alternative embodiment, the alarm is an acoustic or/and optical alarm;
and/or the first and/or second light sources,
the alarm is two, and two alarms are installed respectively on the automobile body outside the automobile and on the panel board inside the automobile.
A second object of the present invention is to provide a car, which is simple in structure, easy to implement, and can protect the personal safety and property safety of users.
The second purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides an automobile, it includes the automobile body and one of the purpose the utility model discloses an automobile wade water level alarm device, automobile wade water level alarm device install in on the automobile body.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a car water level alarm device that paddles, it includes level sensor, comparison circuit and alarm, level sensor installs on vehicle chassis, just level sensor's power end is connected to on the ordinary electricity of car, comparison circuit's input with level sensor's output electric connection, comparison circuit's output is connected to on the alarm for when level sensor monitoring signal is greater than the predetermined threshold value, start the alarm is reported to the police. It is thus clear that, real-time the embodiment of the utility model provides a, can send the warning through the alarm when the water level is higher than the default, protect user's personal safety and property safety to its simple structure easily realizes, but the wide application in parking or the travel.
Drawings
Fig. 1 is a schematic block diagram of an automobile wading water level alarm device in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power supply circuit of the liquid level sensor according to the embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a controller according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of an alarm device according to an embodiment of the present invention.
In the figure: 10. the power is normally on; 11. a battery cell; 20. a master switch; 30. a liquid level sensor; 40. a receiver; 50. a controller; 60. an electronic switch; 71. a buzzer; 72. and an indicator light.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example (b):
referring to fig. 1-4, an alarm for wading water level of an automobile includes a liquid level sensor 30, a comparison circuit and an alarm, wherein the liquid level sensor employs a non-contact liquid level sensor, such as an ultrasonic liquid level sensor, in the preferred embodiment of the present invention, the ultrasonic liquid level sensor employs an HY-SRF05 ultrasonic distance measurement module, which can provide a non-contact distance measurement function of 20mm-4500mm, and the measurement accuracy can reach 3 mm.
The utility model discloses level sensor mainly installs in the car most easily receives the water logging and damages the place of part, for example on the chassis that the car downside corresponds the position, of course, also can install in the downside of blast pipe for the water logging to the blast pipe is monitored. The liquid level sensor carries out non-contact distance measurement on the water level below the automobile, namely, the distance between the water level and the liquid level sensor is measured, and when the distance is smaller than a preset value, an alarm is sent out through the alarm. The water level signal measured by the liquid level sensor is converted into an electric signal, and the corresponding relation between the water level signal and the electric signal is determined according to the model of the liquid level sensor, so that the water level signal (namely, the length) is converted into the electric signal to carry out corresponding comparison. The preset threshold value is a corresponding maximum limit value (electric signal), and when the electric signal output by the liquid level sensor is greater than the preset threshold value, the comparison circuit controls the alarm to give an alarm.
The power end of the liquid level sensor is electrically connected with the automobile, the automobile is powered by the automobile battery 10, namely the automobile battery 11, and the liquid level sensor can be driven to work as long as the automobile battery is powered. In order to prevent the power consumption brought by the equal work of the liquid level sensor at any time, the utility model discloses in the embodiment of preferred, establish ties a master switch 20 at the power end of normal electricity and liquid level sensor, master switch installs in the car to make only start this master switch when surface gathered water or rain in-process or forecast have rain.
The voltage of car storage battery is 12V, and HY-SRF05 ultrasonic wave level sensor's mains voltage is 5V, therefore, when being the power supply of HY-SRF05 ultrasonic wave level sensor, need carry out the step-down operation, please refer to fig. 2, the positive output terminal of the storage battery of car is connected to the power end of level sensor U2 through step-down circuit and master switch K1, the step-down circuit includes step-down chip U1 and input filter circuit and output filter circuit, wherein, step-down chip U1 adopts 78L05 stabiliser, the input of step-down chip U1 is connected to the positive output terminal of car storage battery through input filter circuit, the output of step-down chip U1 is connected to the one end of master switch K1 through output filter circuit, the other end of master switch K1 is connected to the power end of level sensor U2.
The input filter circuit and the output filter circuit can be realized by one or more filter capacitors. In the preferred embodiment of the present invention, the input filter circuit includes an electrolytic capacitor E1, an electrolytic capacitor E2 and a capacitor C1, wherein the positive electrodes of the electrolytic capacitor E1 and the electrolytic capacitor E2 and one end of the capacitor C1 are connected between the output end of the battery and the input end of the voltage reduction chip U1, and the negative electrodes of the electrolytic capacitor E1 and the electrolytic capacitor E2 and the other end of the capacitor C1 are grounded. The output filter circuit comprises an electrolytic capacitor E3 and a capacitor C2, wherein the anode of the electrolytic capacitor E3 and one end of the capacitor C2 are connected between the input end of the voltage reduction chip U1 and the total switch K1, the cathode of the electrolytic capacitor E3 and the other end of the capacitor C2 are grounded, the voltage at the total switch K1 is 5V, and the voltage requirement of the liquid level sensor is met.
The comparator circuit can be realized by a comparator, a positive phase input end of the comparator is connected to an output end of the liquid level sensor, and a negative phase input end of the comparator is connected to a reference voltage source, so that when the output voltage of the liquid level sensor is greater than the reference voltage, the output end of the comparator outputs a high level to control the alarm to alarm. The reference voltage source can be realized by a normal voltage and a voltage dividing circuit, wherein a slide rheostat is arranged in the voltage dividing circuit, for example, the voltage dividing circuit comprises a voltage dividing resistor and the slide rheostat, the positive output end of the battery is connected to the inverted input end of the comparator through the voltage dividing resistor, one end of the slide rheostat is connected between the voltage dividing resistor and the inverted input end of the comparator, the other end of the slide rheostat is grounded, and the contact of the slide rheostat is grounded. The set value of the reference voltage source is set by the slide rheostat according to needs, for example, in a certain condition, when the output voltage of the liquid level sensor is 0.5V, an alarm needs to be given, and the reference voltage source can be set to be 0.49V.
The comparison circuit may also be implemented by a comparison function of the controller, for example, the comparison circuit includes a receiver 40 and a controller 50, where the receiver is a digital-to-analog conversion circuit, and is configured to convert an analog electrical signal acquired by the liquid level sensor into a digital electrical signal for the controller to receive, and after receiving the digital electrical signal, the controller compares the digital electrical signal with a stored reference voltage, and when the digital electrical signal is greater than the reference voltage, the controller controls the alarm to alarm. The controller used here can be realized by a single chip microcomputer such as AT89C51, as shown in fig. 3, and the P2.0 terminal of AT89C51 is used as an input terminal and is connected to the output terminal of the liquid level sensor through a digital-to-analog conversion circuit, and here, only the conventional comparison function of the controller is used, and the improvement of the software program of the controller is not involved.
The output end of the comparison circuit controls the alarm of the alarm through the electronic switch 60, when the output end of the comparison circuit (P2.1 end of AT89C51 or the output end of the comparator) outputs a high level, the electronic switch is switched on, so that the power supply supplies power to the alarm, the alarm sends an alarm signal, otherwise, if the comparison circuit outputs a low level, the electronic switch is switched off, so that the power supply and the alarm are switched off, and the alarm does not work.
Electronic switch can pass through realization such as triode, MOS pipe, thyristor, silicon controlled rectifier and relay, and the power adopts the car normal electricity, of course, carries out the voltage transformation according to the mains voltage that the alarm needs to the car normal electricity, for example the utility model discloses in the embodiment of preferred, use bee calling organ as the alarm, its operating voltage is 5V, then can directly use above-mentioned step-down chip U1's output voltage to supply power for bee calling organ 71.
The alarm can be an acoustic alarm or an optical alarm, or a combination of the two, the acoustic alarm can adopt a buzzer 71, and the optical alarm can adopt a flashing indicator light 72. Meanwhile, two alarms can be used, each alarm can be an audible alarm or/and an optical alarm, preferably an audible and visual alarm, one audible and visual alarm is mounted on the body of the automobile and used for reminding a user when the user is outside the automobile, and the other audible and visual alarm is mounted inside the automobile, such as on an instrument panel and used for reminding the user when the user is inside the automobile.
The utility model discloses an in the embodiment, electronic switch adopts NPN triode Q1, and wherein, NPN triode Q1's base is connected to comparison circuit's output, and NPN triode Q1's projecting pole ground connection, NPN triode Q1's collecting electrode pass through the alarm and are connected to the car storage battery (according to the mains voltage of alarm, can carry out certain voltage transformation to car storage battery output voltage) on.
The utility model also provides a car, this car include automobile body and foretell car wading water level alarm device, and wherein, automobile body is current arbitrary type's car, for example internal-combustion engine car, electric automobile and gas turbine car etc. or kart, minicar, compact car, middle-level car, senior automobile, luxury type car etc. and the car wades water level alarm device and installs in automobile body.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the embodiments of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the embodiments of the present invention are all within the protection scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a water level alarm device is waded by car, its characterized in that, it includes level sensor, comparison circuit and alarm, level sensor installs on vehicle chassis, just level sensor's power end is connected to on the ordinary electricity of car, comparison circuit's input with level sensor's output electric connection, comparison circuit's output is connected to on the alarm for when level sensor monitoring signal is greater than preset threshold value, start the alarm is reported to the police.
2. The automobile wading water level alarm device of claim 1, wherein a power supply end of the liquid level sensor is connected to a storage battery of an automobile through a voltage reduction circuit, a main switch is connected in series between the voltage reduction circuit and the power supply end of the liquid level sensor, and the main switch is installed in the automobile.
3. The automobile wading water level alarm device of claim 2, wherein the voltage reduction circuit comprises a voltage reduction chip U1, an input filter circuit and an output filter circuit, the anode of the storage battery is connected to the input end of the voltage reduction chip U1 through the input filter circuit, and the output end of the voltage reduction chip U1 is connected to one end of the master switch through the output filter circuit.
4. The automobile wading water level alarm device of claim 1, wherein the comparison circuit comprises a receiver and a controller, the output end of the liquid level sensor is connected to the input end of the controller through the receiver, and the output end of the controller is connected to an alarm through an electronic switch.
5. The automobile wading water level alarm device according to claim 4, wherein the receiver is a digital-to-analog converter; or/and the controller is AT89C 51.
6. The automobile wading water level alarm device according to claim 4, wherein the electronic switch is an NPN triode, the output end of the controller is connected to the base electrode of the NPN triode, the emitting electrode of the NPN triode is grounded, and the collecting electrode of the NPN triode is connected to the normal power through the alarm.
7. The automobile wading water level alarm device of claim 1, wherein the comparison circuit is a comparator, the output end of the liquid level sensor is connected to the positive phase input end of the comparator, the negative phase input end of the comparator is connected to a reference power supply end, and the output end of the comparator is connected to an alarm through an electronic switch.
8. The automobile wading water level alarm device according to claim 7, wherein the electronic switch is an NPN triode, the output end of the comparator is connected to the base electrode of the NPN triode, the emitting electrode of the NPN triode is grounded, and the collecting electrode of the NPN triode is connected to the normal power through the alarm.
9. The automobile wading water level alarm device according to any one of claims 1-8, wherein the liquid level sensor is an ultrasonic liquid level sensor, and the ultrasonic liquid level sensor is mounted on the lower side of the corresponding chassis position of the engine.
10. An automobile, characterized in that the automobile comprises an automobile body and the automobile wading water level alarm device of any one of claims 1-9, wherein the automobile wading water level alarm device is mounted on the automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709653.4U CN212828110U (en) | 2020-08-14 | 2020-08-14 | Automobile wading water level alarm device and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709653.4U CN212828110U (en) | 2020-08-14 | 2020-08-14 | Automobile wading water level alarm device and automobile |
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| Publication Number | Publication Date |
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| CN212828110U true CN212828110U (en) | 2021-03-30 |
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| CN202021709653.4U Active CN212828110U (en) | 2020-08-14 | 2020-08-14 | Automobile wading water level alarm device and automobile |
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| CN (1) | CN212828110U (en) |
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- 2020-08-14 CN CN202021709653.4U patent/CN212828110U/en active Active
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