CN217022097U - Automobile tire pressure detection device - Google Patents
Automobile tire pressure detection device Download PDFInfo
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- CN217022097U CN217022097U CN202220415999.6U CN202220415999U CN217022097U CN 217022097 U CN217022097 U CN 217022097U CN 202220415999 U CN202220415999 U CN 202220415999U CN 217022097 U CN217022097 U CN 217022097U
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- air pressure
- pressure sensor
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Abstract
The utility model provides an automobile tire pressure detection device which comprises a first detection device and a second detection device, wherein the first detection device is in signal connection with a vehicle-mounted control terminal through a first communication unit, the first detection device and the first communication unit are arranged in a tire, the second detection device is in signal connection with the vehicle-mounted control terminal through a second communication unit, the second detection device and the second communication unit are arranged at a wheel hub, the first communication unit is also electrically connected with a first switch, the first switch is connected into a power supply loop of the first detection device, the second switch is connected into a power supply loop of the second detection device, and the second communication unit is in signal connection with the second switch.
Description
Technical Field
The utility model relates to the technical field of vehicle detection, in particular to an automobile tire pressure detection device.
Background
The current tire pressure sensor has high encapsulation performance and cannot replace internal devices. Therefore, after the electric quantity of the tire pressure sensor is exhausted, the tire pressure sensor cannot be used continuously and can only be replaced, which brings great cost. Meanwhile, the accuracy of the current tire pressure sensor is still to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a tire pressure detecting device for an automobile to solve the above problems.
The utility model is realized by the following technical scheme: the utility model provides an automobile tire pressure detection device, includes first detection device and second detection device, first detection device links to each other with on-vehicle control terminal signal through first communication unit, first detection and first communication unit set up inside the tire, second detection device passes through the second communication unit and links to each other with on-vehicle control terminal signal, second detection device and second communication unit set up in wheel hub department, first communication unit still links to each other with first switch electrical property, during first switch inserts first detection device's power supply loop, during the second switch inserts second detection device's power supply loop, the second communication unit with second switching signal links to each other.
Optionally, the first detection device includes a first air pressure sensor, the first air pressure sensor is in signal connection with the first communication unit, and the first communication unit provides a power supply for the first air pressure sensor.
Optionally, the second detection device includes a second air pressure sensor and a rotation speed sensor, the second air pressure sensor and the rotation speed sensor are connected to the second communication unit through signals, and the second communication unit provides power for the second air pressure sensor and the rotation speed sensor.
Optionally, the first communication unit and the second communication unit each include a microprocessor, a zigbee module, a filter circuit, an amplification circuit, and a lithium battery, where an output end of the amplification circuit is electrically connected to the filter circuit, an output end of the filter circuit is in signal connection with the microprocessor, and the microprocessor is in signal connection with the zigbee module; the lithium battery provides power for the microprocessor, the zigbee module, the first detection device and the second detection device.
Optionally, the first switch and the second switch both include relays, and the microprocessor is electrically connected to the relays.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an automobile tire pressure detection device, which can detect the internal air pressure, the tire rotating speed and the external air pressure of an automobile tire, comprehensively judge the tire pressure condition of the tire based on the internal air pressure, the tire rotating speed and the external air pressure, has the advantages of wide adaptability and high measurement precision, obtains the air pressure information in the tire by a first detection device arranged on the automobile tire, transmits the air pressure information to a vehicle-mounted terminal by a first communication unit, obtains the tire rotating speed and the external air pressure data by a second detection device arranged on a wheel hub, transmits the data to the vehicle-mounted terminal by a second communication unit, generates alarm information by the detection data from the first detection device and the second detection device, simultaneously sends control information to a first switch by the first communication unit and sends control information to a second switch by the second communication unit when the automobile is powered off, after the first switch and the second switch receive the corresponding control information, the power supply loops of the first detection device and the second detection device are cut off, and when the vehicle is ignited, the power supply loops of the first detection device and the second detection device are conducted again, so that the service lives of the first detection device and the second detection device are effectively prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a block diagram of an automotive tire pressure detecting device according to the present invention;
fig. 2 is a schematic block diagram of an automotive tire pressure detecting device provided by the utility model.
In the figure, 1 a first detection device, 2 a second detection device, 3 a first communication unit, 4 a second communication unit, 5 a vehicle-mounted control terminal, 6 a first switch, 7 a second switch, 8 a microprocessor, 9 a zigbee module, 10 a filter circuit, 11 an amplifying circuit, 12 a first air pressure sensor, 13 a second air pressure sensor and 14 a rotating speed sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments of the present invention, and it should be understood that the present invention is not limited by the exemplary embodiments described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model described in the present application without inventive step, shall fall within the scope of protection of the present invention.
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
It is to be understood that the present invention may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.
In order to provide a thorough understanding of the present invention, a detailed structure will be set forth in the following description in order to explain the present invention. Alternative embodiments of the utility model are described in detail below, however, the utility model may be practiced in other embodiments that depart from these specific details.
Referring to fig. 1 to 2, an automobile tire pressure detecting device includes a first detecting device 1 and a second detecting device 2, the first detecting device 1 is in signal connection with a vehicle-mounted control terminal 5 through a first communication unit 3, the first detecting device 1 and the first communication unit 3 are arranged inside a tire, the second detecting device 2 is in signal connection with the vehicle-mounted control terminal 5 through a second communication unit 4, the second detecting device 2 and the second communication unit 4 are arranged at a wheel hub, the first communication unit 3 is further electrically connected with a first switch 6, the first switch 6 is connected into a power supply loop of the first detecting device 1, a second switch 7 is connected into a power supply loop of the second detecting device 2, and the second communication unit 4 is in signal connection with the second switch 7.
The utility model discloses an automobile tire pressure detection device, which can detect the internal air pressure, the tire rotating speed and the external air pressure of an automobile tire, comprehensively judge the tire pressure condition of the tire based on the internal air pressure, the tire rotating speed and the external air pressure, when in specific use, the air pressure information in the tire is obtained through a first detection device 1 arranged on the tire and is transmitted to a vehicle-mounted terminal through a first communication unit 3, the tire rotating speed and the external air pressure data are obtained through a second detection device 2 arranged on a hub and are transmitted to the vehicle-mounted terminal through a second communication unit 4, the vehicle-mounted terminal generates flameout alarm information through the detection data from the first detection device 1 and the second detection device 2, and simultaneously, when the vehicle is powered off, the vehicle-mounted terminal sends control information to a first switch 6 through the first communication unit 3 and sends control information to a second switch 7 through the second communication unit 4, after receiving the corresponding control information, the first switch 6 and the second switch 7 cut off the power supply loops of the first detection device 1 and the second detection device 2, and when the vehicle is ignited, the power supply loops of the first detection device 1 and the second detection device 2 are turned on again, so that the service lives of the first detection device 1 and the second detection device 2 are effectively prolonged.
Specifically, the first detection device 1 includes a first air pressure sensor 12, the first air pressure sensor 12 is in signal connection with the first communication unit 3, the first air pressure sensor 12 and the first communication unit 3 are both fixed inside the tire, the first communication unit 3 provides power for the first air pressure sensor 12, and detection data of the first air pressure sensor 12 is transmitted to the vehicle-mounted control terminal 5 through the first communication unit 3.
Specifically, the second detecting device 2 includes a second air pressure sensor 13 and a rotation speed sensor 14, the second air pressure sensor 13 and the rotation speed sensor 14 are installed at the wheel hub, the second air pressure sensor 13 and the rotation speed sensor 14 are in signal connection with the second communication unit 4, the second communication unit 4 provides power for the second air pressure sensor 13 and the rotation speed sensor 14, since the external air pressure has a certain influence on the tire pressure under the conditions of different altitudes, the condition of the air pressure outside the tire can be obtained through the second air pressure sensor 13, the rotation speed condition of the tire can be obtained through the rotation speed sensor 14, and the obtained external air pressure data and the obtained rotation speed data are transmitted to the vehicle-mounted control terminal 5 through the second communication unit 4
Specifically, the first communication unit 3 and the second communication unit 4 each include a microprocessor 8, a zigbee module 9, a filter circuit 10, an amplifier circuit 11, and a lithium battery, an output end of the amplifier circuit 11 is electrically connected to the filter circuit 10, an output end of the filter circuit 10 is in signal connection with the microprocessor 8, and the microprocessor 8 is in signal connection with the zigbee module 9; the lithium battery provides power for the microprocessor 8, the zigbee module 9, the first detection device 1 and the second detection device 2. The amplifying circuit 11 is used for amplifying signals output by the first air pressure sensor 12, the second air pressure sensor 13 and the rotating speed sensor 14, filtering the amplified data through the filtering circuit 10, transmitting the filtered data to the microprocessor 8 after the filtering is finished, transmitting the data to the vehicle-mounted control through the zigbee module 9 by the microprocessor 8, and supplying power to the elements through the lithium battery.
Specifically, the first switch 6 and the second switch 7 both include relays, the microprocessor 8 is electrically connected to the relays, and the relays are respectively connected to power supply loops of corresponding lithium batteries.
It should be noted that, in the present embodiment, the specific types and design circuits of the first barometric pressure sensor 12, the second barometric pressure sensor 13, the rotation speed sensor 14, the microprocessor 8, the zigbee module 9, the filter circuit 10, and the amplifying circuit 11 are all common knowledge of those skilled in the art, and are not specifically described herein.
The working principle is as follows: when the vehicle-mounted terminal is used specifically, the air pressure information in the tire is acquired through the first detection device 1 arranged on the tire and is transmitted to the vehicle-mounted terminal through the first communication unit 3, the tire rotating speed and the external air pressure data are acquired through the second detection device 2 arranged on the wheel hub, and are transmitted to the vehicle-mounted terminal through the second communication unit 4, the vehicle-mounted terminal generates alarm information through the detection data from the first detection device 1 and the second detection device 2, meanwhile, when the vehicle is shut down and powered off, the vehicle-mounted terminal controls a power-off instruction through the first communication unit 3, the zigbee module 9 of the first communication unit 3 receives the instruction and forwards the instruction to the microprocessor 8, the microprocessor controls the first switch 6 to cut off the power supply loop of the first detection device 1, and similarly, the vehicle-mounted terminal controls the power-off instruction through the second communication unit 4, the zigbee module 9 of the second communication unit 4 receives the instruction and forwards the instruction to the microprocessor 8, and the microprocessor 8 controls the second switch 7 to cut off the power supply loop of the second detection device 2, and when the vehicle is ignited, the power supply loops of the first detection device 1 and the second detection device 2 are conducted again, so that the service lives of the first detection device 1 and the second detection device 2 are effectively prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The automobile tire pressure detection device is characterized by comprising a first detection device and a second detection device, wherein the first detection device is connected with a vehicle-mounted control terminal through a first communication unit in a signal mode, the first detection device and the first communication unit are arranged inside a tire, the second detection device is connected with the vehicle-mounted control terminal through a second communication unit in a signal mode, the second detection device and the second communication unit are arranged at a wheel hub, the first communication unit is electrically connected with a first switch, the first switch is connected into a power supply loop of the first detection device, the second switch is connected into a power supply loop of the second detection device, and the second communication unit is connected with the second switch in a signal mode.
2. The tire pressure detecting device of claim 1, wherein the first detecting device comprises a first air pressure sensor, the first air pressure sensor is in signal connection with the first communication unit, and the first communication unit provides power for the first air pressure sensor.
3. The tire pressure detecting device of claim 2, wherein the second detecting device comprises a second air pressure sensor and a rotation speed sensor, the second air pressure sensor and the rotation speed sensor are in signal connection with the second communication unit, and the second communication unit provides power for the second air pressure sensor and the rotation speed sensor.
4. The automobile tire pressure detecting device according to claim 3, wherein the first communication unit and the second communication unit each comprise a microprocessor, a zigbee module, a filter circuit, an amplifying circuit and a lithium battery, wherein an output end of the amplifying circuit is electrically connected with the filter circuit, an output end of the filter circuit is in signal connection with the microprocessor, and the microprocessor is in signal connection with the zigbee module; the lithium battery provides power for the microprocessor, the zigbee module, the first detection device and the second detection device.
5. The tire pressure detecting device of claim 4, wherein the first switch and the second switch each comprise a relay, and the microprocessor is electrically connected to the relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415999.6U CN217022097U (en) | 2022-02-28 | 2022-02-28 | Automobile tire pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415999.6U CN217022097U (en) | 2022-02-28 | 2022-02-28 | Automobile tire pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217022097U true CN217022097U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220415999.6U Active CN217022097U (en) | 2022-02-28 | 2022-02-28 | Automobile tire pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217022097U (en) |
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2022
- 2022-02-28 CN CN202220415999.6U patent/CN217022097U/en active Active
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