CN209783635U - vehicle state monitoring device - Google Patents
vehicle state monitoring device Download PDFInfo
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- CN209783635U CN209783635U CN201920266565.2U CN201920266565U CN209783635U CN 209783635 U CN209783635 U CN 209783635U CN 201920266565 U CN201920266565 U CN 201920266565U CN 209783635 U CN209783635 U CN 209783635U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 32
- 230000001133 acceleration Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
the utility model discloses a vehicle state monitoring device, which comprises a radio frequency module, a three-axis acceleration sensor, a main control module and a display module, wherein the radio frequency module is used for being wirelessly connected with a tire sensor so as to receive tire pressure data transmitted by the tire sensor; the three-axis acceleration sensor is used for detecting the inclination angle data of the vehicle; the main control module is used for controlling the radio frequency module and the three-axis acceleration sensor and receiving tire pressure data and inclination angle data acquired by the radio frequency module and the three-axis acceleration sensor; the display module is in data communication connection with the main control module and is used for displaying the tire pressure data and the inclination angle data transmitted by the main control module. The vehicle state monitoring device can monitor and display the tire pressure state of the vehicle and the inclination angle of the vehicle in real time, so that a user can monitor and warn the measured state in real time, and the safety of the vehicle is guaranteed.
Description
Technical Field
the utility model relates to an automotive electronics field especially relates to a vehicle state monitoring devices.
Background
The existing vehicle state monitoring devices are relatively single in function, and generally, the vehicle state monitoring devices on the market can only monitor one state of a vehicle, for example, a tire pressure monitoring device only monitors the state of tire pressure. When the tire pressure is too low, an alarm is given, and the state of the tire pressure cannot be tracked in real time; in addition, the existing tire pressure monitoring devices do not measure the inclination angle of the vehicle.
SUMMERY OF THE UTILITY MODEL
the present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a vehicle state monitoring device.
in order to achieve the above object, according to the utility model discloses a vehicle state monitoring device, include:
The radio frequency module is used for being in wireless connection with the tire sensor so as to receive the tire pressure data transmitted by the tire sensor;
A three-axis acceleration sensor for detecting inclination angle data of a vehicle;
The main control module is in data communication connection with the radio frequency module and the triaxial acceleration sensor respectively, and is used for controlling the radio frequency module and the triaxial acceleration sensor and receiving tire pressure data and inclination angle data acquired by the radio frequency module and the triaxial acceleration sensor;
And the display module is in data communication connection with the main control module and is used for displaying the tire pressure data and the inclination angle data transmitted by the main control module.
Further, according to an embodiment of the present invention, the radio frequency module includes a radio frequency integrated chip and a radio frequency integrated chip peripheral circuit;
the radio frequency integrated chip is a CMT2219 type integrated chip;
The three-axis acceleration sensor is a BMA250 type integrated chip;
The main control module MT6261 model processor.
Further, according to the utility model discloses an embodiment still includes:
The GPS module is connected with the main control module and used for collecting position signals and transmitting the position signals to the display module through the main control module to be displayed.
further, according to the utility model discloses an embodiment, the GPS module includes GPS chip, GPS chip peripheral circuit and GPS front end amplifier circuit respectively with the GPS chip is connected, GPS front end amplifier circuit is used for enlargiing the GPS signal.
Further, according to the utility model discloses an embodiment still includes: the wireless communication module comprises a remote wireless communication module and/or a Bluetooth module;
The wireless communication module is in communication connection with the main control module and the remote server respectively and is used for transmitting the tire pressure data and the inclination angle data to the remote server in a wireless mode;
The Bluetooth module is in communication connection with the main control module and the Bluetooth device respectively and is used for transmitting the tire pressure data and the inclination angle data to the Bluetooth device in a wireless mode.
Further, according to an embodiment of the present invention, the remote wireless communication module includes a GSM transceiver module and a SIM card module, and the GSM transceiver module and the SIM card module are respectively connected to the main control module;
The GSM transceiver module comprises a GSM chip and a GSM chip peripheral circuit, and the GSM chip is connected with the GSM chip peripheral circuit;
the SIM card module comprises an SIM interface and an SIM memory, and the SIM interface and the SIM memory are respectively connected with the main control module.
the Bluetooth module comprises a Bluetooth chip and a Bluetooth chip peripheral circuit, and the Bluetooth chip is connected with the Bluetooth chip peripheral circuit.
Further, according to the utility model discloses an embodiment still includes:
The USB interface module is used for being connected with external USB power supply equipment;
the power supply module is electrically connected with the USB interface module and is used for stabilizing the voltage of the power supply output by the USB interface module so as to supply power to the radio frequency module, the three-axis acceleration sensor, the main control module and the display module;
the battery, the battery with power module connects, power module still does the mains voltage of output does the battery charges, the battery is used for doing radio frequency module, triaxial acceleration sensor, host system, display module power supply.
further, according to the utility model discloses an embodiment, USB interface module includes the USB interface, the USB interface is TYPE-C TYPE USB interface.
Further, according to the utility model discloses an embodiment, power module includes first power voltage stabilizing circuit, first power voltage stabilizing circuit includes diode D204, zener diode D8 and zener capacitor C46, diode D204's positive pole with the power output end of USB interface is connected, diode D204's negative pole with zener diode D8's negative pole is connected, zener diode D8's positive pole is connected with ground reference, zener diode D8's negative pole still with zener capacitor C46 is positive to be connected, zener capacitor C46 negative terminal with ground reference is connected.
further, according to the utility model discloses an embodiment still includes: and the control key module is connected with the main control module and used for receiving an output control command of a user and controlling the display module to switch the tire pressure data display interface and the inclination angle data display interface through the main control module.
the vehicle state monitoring device provided by the embodiment of the utility model receives the tire pressure data transmitted by the tire sensor through the radio frequency module; the three-axis acceleration sensor detects the inclination angle data of the vehicle; the main control module controls the radio frequency module and the three-axis acceleration sensor and receives tire pressure data and inclination angle data acquired by the radio frequency module and the three-axis acceleration sensor; and the display module displays the tire pressure data and the inclination angle data transmitted by the main control module. Can carry out real-time monitoring and demonstration to the tire pressure state of vehicle and the inclination of vehicle, convenience of customers can monitor the state of measurement in real time, carries out safety warning through inclination angle data in order to combine tire pressure data, guarantees the security of vehicle.
Drawings
Fig. 1 is a block diagram of a vehicle state monitoring device according to an embodiment of the present invention;
Fig. 2 is a block diagram of a circuit structure of a radio frequency module according to an embodiment of the present invention;
Fig. 3 is a block diagram of a three-axis acceleration sensor circuit according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of a circuit structure of a display module according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of a circuit structure of a main control module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a USB interface module according to an embodiment of the present invention;
Fig. 7 is a schematic diagram of a circuit structure of a power module according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a remote wireless communication circuit module according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a circuit structure of a bluetooth module according to an embodiment of the present invention;
Fig. 10 is a schematic circuit diagram of a GPS module according to an embodiment of the present invention;
fig. 11 is a schematic circuit diagram of an indicator light module according to an embodiment of the present invention;
Fig. 12 is a schematic diagram of a circuit structure of a control key module according to an embodiment of the present invention.
Reference numerals:
a radio frequency module 10;
a three-axis acceleration sensor 20;
A main control module 30;
A display module 40;
a GPS module 50;
a USB interface module 60;
A power supply module 70;
a wireless communication module 80;
a remote wireless communication module 801;
GSM transceiver module 8011
SIM card module 8012
A Bluetooth module 802;
An indicator light module 90;
a control key module 11;
A remote server 12;
A handset 13.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
in order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, an embodiment of the present invention provides a vehicle state monitoring device, including: the system comprises a radio frequency module 10, a three-axis acceleration sensor 20, a main control module 30 and a display module 40, wherein the radio frequency module 10 is used for being wirelessly connected with a tire sensor so as to receive tire pressure data transmitted by the tire sensor; when the vehicle state monitoring device is used, the vehicle state monitoring device is arranged on a vehicle, particularly a motorcycle, and the tire pressure sensor can acquire the tire information of the vehicle because the existing vehicle is provided with the tire pressure sensor. And the radio frequency module 10 is in wireless communication connection with the tire sensor and is used for receiving the tire information.
the triaxial acceleration sensor 20 is used for detecting the inclination angle data of the vehicle; when the motorcycle runs, the running inclination is possible, and the acceleration and inclination angle data of the motorcycle can be collected in real time through the three-axis acceleration sensor 20. It should be noted that the inclination angle data of other vehicles can also be detected by the three-axis acceleration sensor 20, so as to perform safety warning in combination with the tire pressure data.
the main control module 30 is in data communication connection with the radio frequency module 10 and the triaxial acceleration sensor 20, and is configured to control the radio frequency module 10 and the triaxial acceleration sensor 20, and receive tire pressure data and inclination angle data acquired by the radio frequency module 10 and the triaxial acceleration sensor 20; the main control module 30 is a control center, and the radio frequency module 10 and the three-axis acceleration sensor 20 can be controlled and the data collected by the radio frequency module 10 and the three-axis acceleration sensor 20 can be received through the main control module 30.
the display module 40 is connected to the main control module 30 in a data communication manner, and is configured to display the tire pressure data and the inclination angle data transmitted by the main control module 30. The display module 40 is used for connecting an external display, and displaying the tire pressure information data and the inclination angle data through the external display, so that a user can conveniently acquire the tire pressure information data and the inclination angle data in real time.
The vehicle state monitoring device provided by the embodiment of the utility model receives the tire pressure data transmitted by the tire sensor through the radio frequency module 10; the triaxial acceleration sensor 20 detects inclination angle data of the vehicle; the main control module 30 controls the radio frequency module 10 and the triaxial acceleration sensor 20, and receives tire pressure data and inclination angle data acquired by the radio frequency module 10 and the triaxial acceleration sensor 20; the display module 40 displays the tire pressure data and the inclination angle data transmitted by the main control module 30. Can carry out real-time monitoring and demonstration to the tire pressure state of vehicle and the inclination of vehicle, convenience of customers can monitor the state of measurement in real time, carries out safety warning through inclination angle data in order to combine tire pressure data, guarantees the security of vehicle.
Referring to fig. 2, 3 and 5, the rf module 10 includes an rf integrated chip and an rf integrated chip peripheral circuit; in an embodiment of the present invention, the radio frequency integrated chip is a CMT2219 type integrated chip; the CMT2219 type integrated circuit may communicate wirelessly with existing tire sensors.
in an embodiment of the present invention, the three-axis acceleration sensor 20 is a BMA250 model integrated chip.
In one embodiment of the present invention, the host control module (30) is an MT6261 model processor. As shown in fig. 5, the MT6261 processor has a large number of external interfaces, and can be connected to various external devices. Particularly, the seamless connection with the GSM wireless transceiver module reduces the development and design time of products.
It should be noted that, in some other embodiments of the present invention, the radio frequency integrated chip, the three-axis acceleration sensor and the main control module may also adopt other types of substitute integrated chips with the same function, and are not limited to the above-mentioned integrated chips provided in this application.
referring to fig. 1 and 10, further comprising: the GPS module 50 is connected with the main control module 30, and the GPS module 50 is used for collecting position signals and transmitting the position signals to the display module 40 through the main control module 30 for displaying. In the driving process of the vehicle, the GPS module 50 may acquire the position information of the vehicle in real time, and transmit the position information to the main control module 30, so that the GPS position information is displayed by the main control module 30.
referring to fig. 10, the GPS module 50 includes a GPS chip, a GPS chip peripheral circuit and a GPS front-end amplification circuit, the GPS chip peripheral circuit and the GPS front-end amplification circuit are respectively connected to the GPS chip, and the GPS front-end amplification circuit is configured to amplify a GPS signal; because the GPS signal passes through long distance transmission back, the serious decay of signal probably appears, leads to GPS module 50 can't acquire the GPS signal in real time to the discontinuous problem of GPS address positional information appears, in the example, through GPS front end amplifier circuit amplifies the GPS signal of input. To maintain the continuity of the GPS signal.
In an embodiment of the present invention, the GPS chip is a UBX-G7020 chip. The UBX-G7020 chip has better performance.
It should be noted that, in some other embodiments of the present invention, the GPS chip may also adopt other types of substitute integrated chips with the same function, and is not limited to the above integrated chips provided in this application.
referring to fig. 1, further comprising: the wireless communication module 80, the wireless communication module 80 comprises a remote wireless communication module 801 and/or a Bluetooth module 802; the wireless communication module is in communication connection with the main control module 30 and the remote server 12, and is used for transmitting the tire pressure data and the inclination angle data to the remote server 12 in a wireless manner; the wireless communication module 80 may transmit the tire pressure data and the inclination angle data to a remote service in real time for storage by communicating with the remote service. In addition, the tire pressure data and the inclination angle data can be inquired in a real-time manner by connecting the client with the remote server 12. It should be noted that the wireless communication module 80 can also transmit other data to the remote server 12. Such as address location information.
The bluetooth module 802 is in communication connection with the main control module 30 and the bluetooth device, and is configured to transmit the tire pressure data and the inclination angle data to the bluetooth device in a wireless manner. In an embodiment of the present invention, the bluetooth device may be a smart phone 13, through the smart phone 13 may pass the bluetooth module 802 and the vehicle status monitoring device perform data communication. On one hand, the smart phone 13 may receive data transmitted from the vehicle state monitoring device, and on the other hand, the smart phone 13 may transmit data to the vehicle state monitoring device. For example, music data on the smart phone 13 is transmitted to the vehicle state monitoring device, and music is played through the vehicle state monitoring device, so that the entertainment of the device is increased.
Referring to fig. 8, the remote wireless communication module includes a GSM transceiver module 8011 and a SIM card module 8012, and the GSM transceiver module 8011 and the SIM card module 8012 are respectively connected to the main control module 30; the GSM transceiver module 8011 is used for transceiving wireless signals, and transmits received mobile wireless signals to the main control module 30, or transmits wireless signals output by the main control module 30 to a mobile base station, and is connected to and communicates with the remote server 12 through the mobile base station.
The GSM transceiver module 8011 includes a GSM chip and a GSM chip peripheral circuit, as shown in fig. 8, in an embodiment of the present invention, the GSM chip is an RF7198 model chip.
it should be noted that, in some other embodiments of the present invention, the GSM chip may also adopt other types of substitute integrated chips with the same function, and is not limited to the above integrated chips provided in this application.
The SIM card module 8012 comprises a SIM interface and a SIM memory, which are respectively connected to the main control module 30. The SIM card can be inserted through the SIM interface, and the SIM memory can realize the storage of information related to remote communication.
the bluetooth module 802 includes a bluetooth chip and a bluetooth chip peripheral circuit, the bluetooth chip is connected to the bluetooth chip peripheral circuit, refer to fig. 9, in an embodiment of the present invention, the bluetooth chip is an NRF52810 chip.
it should be noted that, in some other embodiments of the present invention, the bluetooth chip may also adopt other types of substitute integrated chips with the same function, and is not limited to the above integrated chip provided in this application.
referring to fig. 1, 6 and 7, further includes: USB interface module 60, power module 70 and battery, USB interface module 60 is used for being connected with external USB power supply equipment, refer to fig. 6 in the example of the utility model discloses in, USB interface module 60 accessible USB connecting wire is connected to the USB power supply interface of vehicle, through USB power supply interface can acquire mains voltage.
The power module 70 is electrically connected to the USB interface module 60, and is configured to stabilize the voltage of the power output by the USB interface module 60, so as to supply power to the radio frequency module 10, the three-axis acceleration sensor 20, the main control module 30, and the display module 40; referring to fig. 7, since the power voltage output by the USB interface module 60 may not be stable, the electronic device may be burned out when the power is directly supplied to each module, and the power is stabilized and then output by the power module 70, so that the stable power voltage can be supplied to each module.
the battery is connected with the power module 70, the power module 70 further charges the battery with the output power voltage, and the battery is used for supplying power to the radio frequency module 10, the triaxial acceleration sensor 20, the main control module 30 and the display module 40. On one hand, the battery can be charged by the power source introduced by the USB interface module 60 through the power source module 70, and on the other hand, when the external power source stops supplying power, the battery can output power voltage, so as to supply power to each module.
Further, in an embodiment of the present invention, the USB interface module 60 includes a USB interface, and the USB interface is a TYPE-C USB interface; through TYPE-C TYPE USB interface can realize the interface that fills soon of power.
Referring to fig. 7, the power module 70 includes a first power stabilizing circuit, the first power stabilizing circuit includes a diode D204, a zener diode D8, and a zener capacitor C46, an anode of the diode D204 is connected to the power output terminal of the USB interface, a cathode of the diode D204 is connected to a cathode of the zener diode D8, an anode of the zener diode D8 is connected to the ground reference, a cathode of the zener diode D8 is further connected to a positive terminal of the zener capacitor C46, and a negative terminal of the zener capacitor C46 is connected to the ground reference. The diode D204 is used for realizing the forward conduction of the power supply and avoiding the reverse charging of the battery, the voltage stabilizing diode D8 is used for stabilizing the voltage of the input power supply, and the voltage stabilizing capacitor C46 is matched to output stable power supply voltage so as to provide power supply for each module. The voltage-stabilizing power supply of a relatively high-power supply can be realized through the structure of the voltage-stabilizing diode D8 and the voltage-stabilizing capacitor C46, and an integrated power supply chip is avoided. In addition, the existing integrated power supply chip has high cost and smaller rated current.
Referring to fig. 12, further comprising: and the control key module 11 is connected with the main control module 30 and used for receiving an output control command of a user and controlling the display module 40 to switch between a tire pressure data display interface and an inclination angle data display interface through the main control module 30. The control key module 11 can switch the display interface, thereby facilitating the use of the user.
although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (10)
1. A vehicle condition monitoring device, comprising:
the radio frequency module is used for being in wireless connection with the tire sensor so as to receive the tire pressure data transmitted by the tire sensor;
a three-axis acceleration sensor for detecting inclination angle data of a vehicle;
The main control module is in data communication connection with the radio frequency module and the triaxial acceleration sensor respectively, and is used for controlling the radio frequency module and the triaxial acceleration sensor and receiving tire pressure data and inclination angle data acquired by the radio frequency module and the triaxial acceleration sensor;
And the display module is in data communication connection with the main control module and is used for displaying the tire pressure data and the inclination angle data transmitted by the main control module.
2. The vehicle condition monitoring device according to claim 1, wherein the radio frequency module includes a radio frequency integrated chip and a radio frequency integrated chip peripheral circuit;
the radio frequency integrated chip is a CMT2219 type integrated chip;
the three-axis acceleration sensor is a BMA250 type integrated chip;
The main control module MT6261 model processor.
3. the vehicle condition monitoring device according to claim 1, characterized by further comprising:
The GPS module is connected with the main control module and used for collecting position signals and transmitting the position signals to the display module through the main control module to be displayed.
4. the vehicle state monitoring device according to claim 3, wherein the GPS module comprises a GPS chip, a GPS chip peripheral circuit and a GPS front-end amplification circuit, the GPS chip peripheral circuit and the GPS front-end amplification circuit are respectively connected with the GPS chip, and the GPS front-end amplification circuit is used for amplifying GPS signals.
5. the vehicle condition monitoring device according to claim 1, characterized by further comprising: the wireless communication module comprises a remote wireless communication module and/or a Bluetooth module;
The wireless communication module is in communication connection with the main control module and the remote server respectively and is used for transmitting the tire pressure data and the inclination angle data to the remote server in a wireless mode;
the Bluetooth module is in communication connection with the main control module and the Bluetooth device respectively and is used for transmitting the tire pressure data and the inclination angle data to the Bluetooth device in a wireless mode.
6. The vehicle state monitoring device according to claim 5, wherein the remote wireless communication module comprises a GSM transceiver module and a SIM card module, and the GSM transceiver module and the SIM card module are respectively connected with the main control module;
the GSM transceiver module comprises a GSM chip and a GSM chip peripheral circuit, and the GSM chip is connected with the GSM chip peripheral circuit;
the SIM card module comprises an SIM interface and an SIM memory, and the SIM interface and the SIM memory are respectively connected with the main control module;
The Bluetooth module comprises a Bluetooth chip and a Bluetooth chip peripheral circuit, and the Bluetooth chip is connected with the Bluetooth chip peripheral circuit.
7. the vehicle condition monitoring device according to claim 1, characterized by further comprising:
The USB interface module is used for being connected with external USB power supply equipment;
The power supply module is electrically connected with the USB interface module and is used for stabilizing the voltage of the power supply output by the USB interface module so as to supply power to the radio frequency module, the three-axis acceleration sensor, the main control module and the display module;
The battery, the battery with power module connects, power module still does the mains voltage of output does the battery charges, the battery is used for doing radio frequency module, triaxial acceleration sensor, host system, display module power supply.
8. the vehicle condition monitoring device according to claim 7, wherein the USB interface module includes a USB interface, and the USB interface is a TYPE-C TYPE USB interface.
9. The vehicle condition monitoring device according to claim 8, wherein the power supply module includes a first power supply stabilizing circuit, the first power supply stabilizing circuit includes a diode D204, a zener diode D8, and a zener capacitor C46, an anode of the diode D204 is connected to the power supply output terminal of the USB interface, a cathode of the diode D204 is connected to a cathode of the zener diode D8, an anode of the zener diode D8 is connected to a ground, a cathode of the zener diode D8 is further connected to a positive terminal of the zener capacitor C46, and a negative terminal of the zener capacitor C46 is connected to the ground.
10. The vehicle condition monitoring device according to claim 1, characterized by further comprising: and the control key module is connected with the main control module and used for receiving an output control command of a user and controlling the display module to switch the tire pressure data display interface and the inclination angle data display interface through the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266565.2U CN209783635U (en) | 2019-03-01 | 2019-03-01 | vehicle state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266565.2U CN209783635U (en) | 2019-03-01 | 2019-03-01 | vehicle state monitoring device |
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| Publication Number | Publication Date |
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| CN209783635U true CN209783635U (en) | 2019-12-13 |
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| CN201920266565.2U Expired - Fee Related CN209783635U (en) | 2019-03-01 | 2019-03-01 | vehicle state monitoring device |
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| CN (1) | CN209783635U (en) |
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2019
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