CN218431165U - Monitoring device for motor vehicle cabin - Google Patents
Monitoring device for motor vehicle cabin Download PDFInfo
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- CN218431165U CN218431165U CN202222251318.XU CN202222251318U CN218431165U CN 218431165 U CN218431165 U CN 218431165U CN 202222251318 U CN202222251318 U CN 202222251318U CN 218431165 U CN218431165 U CN 218431165U
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Abstract
An embodiment of the utility model provides a motor vehicle passenger cabin monitoring devices, include: the monitoring module comprises a first monitoring unit, a second monitoring unit and a third monitoring unit; the data processing module is used for sending a power-on signal when the power source is judged to be in a stop state and the vehicle door is judged to be in a locked state, and sending a wake-up signal when the actual acceleration output by the third monitoring unit is judged to be larger than a preset acceleration threshold value; the millimeter wave radar is installed in a cabin of a motor vehicle and is connected with a vehicle-mounted battery through a normally open switch circuit, the millimeter wave radar enters a dormant state when being initially electrified and responds to the wake-up signal in the dormant state to turn into a monitoring state so as to monitor whether a moving target exists in the cabin, and an alarm signal is sent out when the moving target exists in the cabin; and the alarm module is used for responding to the alarm signal to alarm. The embodiment can judge whether the interior of the cabin is illegally invaded with low power consumption.
Description
Technical Field
The embodiment of the utility model provides a motor vehicle passenger cabin monitoring devices is especially related to in technical field of motor vehicle safety theftproof.
Background
At present, in order to prevent the passenger cabin of the motor vehicle from being illegally invaded to cause the property theft of a vehicle owner, the motor vehicle is generally provided with a motor vehicle passenger cabin monitoring device for carrying out invasion monitoring on the passenger cabin after the motor vehicle is flameout and locked.
The basic principle of the existing motor vehicle cabin monitoring device based on the millimeter wave radar is as follows: after the motor vehicle is flameout and locked, the vehicle-mounted battery is adopted to supply power to the millimeter wave radar, so that the millimeter wave radar monitors the inside of the cabin to judge whether a moving target exists in the cabin or not, and sends out an alarm signal when judging that the moving target exists in the cabin, and finally alarm is realized.
However, the inventor finds that, in specific implementation, because the millimeter wave radar is powered by the vehicle-mounted battery, the millimeter wave radar is started after the vehicle is flamed out and locked, and the power consumption of the millimeter wave radar is relatively high, and the millimeter wave radar is in a monitoring state for a long time, so that the power loss of the vehicle-mounted battery is caused, and finally, other electric equipment of the vehicle cannot work.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves lies in, provides a motor vehicle passenger cabin monitoring devices, can judge whether the cabin is by illegal invasion with the low-power consumption ground.
In order to solve the technical problem, an embodiment of the utility model provides a following technical scheme: an automotive cabin monitoring device comprising:
the monitoring module comprises a first monitoring unit, a second monitoring unit and a third monitoring unit, wherein the first monitoring unit is used for monitoring the change of the starting and stopping state of a power source of the motor vehicle and outputting first monitoring data, the second monitoring unit is used for monitoring the change of the locking state of a door of the motor vehicle and outputting second monitoring data, and the third monitoring unit is used for monitoring the acceleration state of the motor vehicle and outputting actual acceleration obtained by detection;
the data processing module is respectively connected with the first monitoring unit, the second monitoring unit and the third monitoring unit and is used for sending a power-on signal when the power source is judged to be in a stop state and the vehicle door is judged to be in a locking state according to the first monitoring data and the second monitoring data and sending a wake-up signal when the actual acceleration output by the third monitoring unit is judged to be greater than a preset acceleration threshold value;
the millimeter wave radar is arranged in a cabin of a motor vehicle and is connected with a vehicle-mounted battery through a normally open switch circuit, the normally open switch circuit is also connected with the data processing module to respond to the power-on signal to be conducted, the millimeter wave radar enters a dormant state when being powered on initially and responds to the wake-up signal in the dormant state to be switched to a monitoring state so as to monitor whether a moving target exists in the cabin, and an alarm signal is sent out when the moving target exists in the cabin; and
and the alarm module is connected with the millimeter wave radar and used for responding to the alarm signal to alarm.
Further, the data processing module is internally provided with:
the storage unit is used for storing first monitoring data which is latest output by the first monitoring unit, second monitoring data which is latest output by the second monitoring unit and the preset acceleration threshold; and
and the control unit is connected with the storage unit, the third monitoring unit and the normally open switch circuit and is used for analyzing the first monitoring data and the second monitoring data to correspondingly generate the electrifying signal and comparing the actual acceleration with the preset acceleration threshold value to correspondingly generate the awakening signal when receiving the actual acceleration.
Further, the data processing module is further provided with:
and the delay unit is connected with the storage unit and the control unit and used for entering a delay state with a preset time length when one of the first monitoring data and the second monitoring data stored in the storage unit is changed and activating the control unit when the other one of the first monitoring data and the second monitoring data stored in the storage unit is also changed in the delay period of the preset time length.
Further, the apparatus further comprises:
and the signal sending module is connected with the millimeter wave radar and is used for responding the alarm signal and sending warning information to a pre-designated remote user terminal.
Further, the apparatus further comprises:
the signal receiving module is used for receiving a stop signal sent by the remote user terminal; the control unit is also respectively connected with the signal receiving module and the alarm module and used for responding to the stop signal to open the normally open switch circuit and/or stop the alarm module from giving an alarm.
Furthermore, the signal sending module and the signal receiving module are integrated into a bidirectional communication module.
Further, the bidirectional communication module is a T-BOX (Telematics BOX) communication module of a motor vehicle.
Furthermore, the alarm module is connected with the millimeter wave radar through the data processing module, and a signal forwarding unit used for forwarding an alarm signal sent by the millimeter wave radar to the alarm module is further arranged in the data processing module.
Further, the data processing module is a vehicle body controller of the motor vehicle, and the vehicle body controller is connected with the millimeter wave radar through a CAN bus or a LIN bus of the motor vehicle.
Further, the millimeter wave radar is installed at the top of a driver's seat of the cockpit.
After the technical scheme is adopted, the embodiment of the utility model provides an at least, following beneficial effect has: the embodiment of the utility model provides a first monitoring unit through monitoring module, the power supply of motor vehicle is monitored respectively to second monitoring unit and third monitoring unit stops the state change, the locking state of door changes and acceleration, and correspond first monitoring data of output respectively, second monitoring data and actual acceleration, data processing module combines first monitoring data and second monitoring data to judge that the power supply is in the stop state and the door is in when locking the state, show that the motor vehicle stalls the lock car, this moment data processing module corresponds the output power signal control millimeter wave radar and corresponds the power up, millimeter wave radar advances to go into sleep mode when initial power up, millimeter wave radar can not launch radar wave and survey, the consumption is relatively lower, and when data processing module judges that third monitoring unit output actual acceleration is greater than when predetermineeing the acceleration threshold value, show that the motor vehicle probably is strikeed or is illegally opened the door etc. this moment data processing module output wake-up signal control millimeter wave radar corresponds and gets into monitoring state and judges whether there is the moving target inside of passenger cabin, and send alarm signal when judging that there is the moving target inside, last alarm module is reported to report to the police according to the alarm signal, avoid the motor vehicle to last millimeter wave is in after keeping off, thereby millimeter wave monitoring state can effectively reduce the millimeter wave.
Drawings
Fig. 1 is a schematic block diagram of an alternative embodiment of the motor vehicle cabin monitoring device of the present invention.
Fig. 2 is a schematic block diagram of another alternative embodiment of the motor vehicle cabin monitoring device of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only for explaining the present invention, and are not to be construed as limiting the present invention, and that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, an alternative embodiment of the present invention provides a motor vehicle cabin monitoring device, comprising: the monitoring module 1 comprises a first monitoring unit 10 for monitoring the change of the starting and stopping state of a power source A of the motor vehicle and outputting first monitoring data, a second monitoring unit 12 for monitoring the change of the locking state of a door B of the motor vehicle and outputting second monitoring data, and a third monitoring unit 14 for monitoring the acceleration state of the motor vehicle and outputting actual acceleration obtained by detection;
the data processing module 3 is connected to the first monitoring unit 10, the second monitoring unit 12 and the third monitoring unit 14, and is configured to send a power-on signal when it is determined that the power source a is in a stopped state and the vehicle door B is in a locked state according to the first monitoring data and the second monitoring data, and send a wake-up signal when it is determined that the actual acceleration output by the third monitoring unit 14 is greater than a predetermined acceleration threshold; and
the millimeter wave radar 4 is arranged in a cabin of a motor vehicle and is connected with a vehicle-mounted battery C through a normally open switch circuit 5, the normally open switch circuit 5 is further connected with the data processing module 3 to respond to the power-on signal to be conducted, the millimeter wave radar 4 enters a dormant state when being powered on initially and responds to the wake-up signal to be switched into a monitoring state in the dormant state to monitor whether a moving target exists in the cabin, and an alarm signal is sent out when the moving target exists in the cabin; and
and the alarm module 6 is connected with the millimeter wave radar 4 and used for responding to the alarm signal to alarm.
The embodiment of the utility model provides a first monitoring unit 10 through monitoring module 1, second monitoring unit 12 and third monitoring unit 14 monitor the power supply A's of motor vehicle respectively and open the stop state change, door B's the state of locking changes and acceleration, and correspond first monitoring data of output respectively, second monitoring data and actual acceleration, data processing module 3 combines first monitoring data and second monitoring data to judge that power supply A is in the stop state and door B is in when the lock state, show that the motor vehicle stalls the lock car, data processing module 3 corresponds the output power signal control millimeter wave radar 4 to go up at this moment, millimeter wave radar 4 is at the first dormancy mode that goes into when the electricity of initial, millimeter wave radar 4 can not launch radar wave and surveys, the power consumption is relatively lower, and when data processing module 3 judges that third monitoring unit 14 output actual acceleration is greater than the predetermined acceleration threshold value, show that the motor vehicle probably is strikeed or is illegally opened door B etc. this moment, data processing module 3 outputs wake-up signal control radar 4 to correspond and gets into the monitoring state and judges whether there is the passenger cabin inside has the moving target, and send out when there is moving signal, send out the passenger cabin, thereby last alarm module 6 and carry out warning signal and reduce the effective warning state according to the millimeter wave after monitoring radar 4.
In particular, it can be understood that the power source a may be different for different types of vehicles, the power source of the fuel vehicle is an engine, and the power source of the electric vehicle is a driving motor.
In an optional embodiment of the present invention, as shown in fig. 2, the data processing module 3 is provided with:
a storage unit 30, configured to store the first monitoring data that is newly output by the first monitoring unit 10, the second monitoring data that is newly output by the second monitoring unit 12, and the predetermined acceleration threshold; and
and the control unit 32 is connected with the storage unit 30, the third monitoring unit 14 and the normally-open switch circuit 5, and is used for analyzing the first monitoring data and the second monitoring data to correspondingly generate the power-on signal and comparing the actual acceleration with the predetermined acceleration threshold value to correspondingly generate the wake-up signal when receiving the actual acceleration.
In this embodiment, the storage unit 30 stores corresponding monitoring data, and then the control unit 32 analyzes and judges the data stored in the storage unit 30, so that the whole circuit structure is relatively simple, and the power consumption of the millimeter wave radar 4 can be effectively reduced.
In an optional embodiment of the present invention, as shown in fig. 2, the data processing module 3 further has an internal component: and a delay unit 34, connected to the storage unit 30 and the control unit 32, for entering a delay state of a predetermined time length when one of the first monitoring data and the second monitoring data stored in the storage unit 30 changes, and activating the control unit 32 when the other of the first monitoring data and the second monitoring data stored in the storage unit 32 also changes during the delay period of the predetermined time length. In this embodiment, by further providing the delay unit 34, when the power source a is in a stop state due to the misoperation of the driver, a corresponding delay is set at this time, so as to avoid causing erroneous judgment and improve the accuracy of monitoring.
In an optional embodiment of the present invention, as shown in fig. 2, the apparatus further comprises:
and a signal sending module 70 connected to the millimeter wave radar 4, and configured to send warning information to a pre-specified remote user terminal D in response to the alarm signal. In this embodiment, the signal sending module 70 is further configured to respond to the alarm signal and send warning information to the remote user terminal D to notify a vehicle owner and other personnel that the vehicle is invaded, so that the vehicle owner can immediately and timely deal with the invasion.
In an optional embodiment of the present invention, as shown in fig. 2, the apparatus further comprises:
a signal receiving module 72, configured to receive a stop signal sent by the remote user terminal D; the control unit 32 is further connected to the signal receiving module 70 and the alarm module 6 respectively for responding to the stop signal to open the normally open switch circuit 5 and/or stop the alarm module 6 from alarming. In this embodiment, by further providing the signal receiving module 72, it is possible to remotely turn off the millimeter wave radar 4 and/or the alarm module 6 at the remote user terminal D, so as to prevent the alarm module 6 from alarming due to conditions such as a false touch, or to turn off the millimeter wave radar 4 in advance before the vehicle enters the vehicle, thereby avoiding false alarm.
In an alternative embodiment of the present invention, as shown in fig. 2, the signal transmitting module 70 and the signal receiving module 72 are integrated into a two-way communication module 7. In this embodiment, two unidirectional communication modules are integrated into one bidirectional communication module 7, so that the circuit structure can be effectively simplified, and the installation is convenient.
In an optional embodiment of the present invention, the bidirectional communication module 7 is a T-BOX (Telematics BOX) communication module of a motor vehicle. In the embodiment, the bidirectional communication module 7 directly adopts the existing T-BOX communication module of the motor vehicle, so that the cost can be effectively reduced, and the multifunctional application is realized.
In an optional embodiment of the present invention, as shown in fig. 2, the alarm module 6 is connected to the millimeter wave radar 4 through the data processing module 3, the data processing module 3 further has a signal forwarding unit 36 for forwarding the alarm signal sent by the millimeter wave radar 4 to the alarm module 6. In this embodiment, the alarm module 6 is connected to the millimeter wave radar 4 through the data processing module 3, and the signal forwarding unit 36 of the data processing module 3 is used to forward signals, so as to facilitate connection of lines.
In an optional embodiment of the present invention, the data processing module 3 is a body controller of a motor vehicle, and the body controller is connected to the millimeter wave radar 4 through a CAN bus or a LIN bus of the motor vehicle. In this embodiment, the body controller is connected to the millimeter-wave radar 5 through a CAN bus or a LIN bus of the motor vehicle. In the embodiment, the data processing module 3 adopts a vehicle body controller of the motor vehicle, CAN directly acquire the relevant information of the motor vehicle (such as a power source state, a door lock state, acceleration output by a gravity sensor and the like), and simultaneously, the vehicle body controller directly utilizes the existing CAN bus or LIN bus of the motor vehicle to realize the connection with the millimeter wave radar 4, thereby simplifying the connection circuit, realizing cabin monitoring by utilizing the existing components of the motor vehicle, reducing the cost and simplifying the structure. In specific implementation, the alarm module 6 may also be an existing alarm module of a motor vehicle, such as a horn and a lighting system of the motor vehicle.
In an optional embodiment of the present invention, the millimeter wave radar 4 is installed on the top of the cockpit. In this embodiment, the millimeter wave radar 4 is installed at the top of the cockpit, and at the top of the cockpit, the detection range of the millimeter wave radar can effectively cover each area in the cockpit, thereby avoiding the occurrence of missing detection.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.
Claims (10)
1. A motor vehicle cabin monitoring device, characterized in that it comprises:
the monitoring module comprises a first monitoring unit, a second monitoring unit and a third monitoring unit, wherein the first monitoring unit is used for monitoring the change of the starting and stopping state of a power source of the motor vehicle and outputting first monitoring data, the second monitoring unit is used for monitoring the change of the locking state of a door of the motor vehicle and outputting second monitoring data, and the third monitoring unit is used for monitoring the acceleration state of the motor vehicle and outputting actual acceleration obtained by detection;
the data processing module is respectively connected with the first monitoring unit, the second monitoring unit and the third monitoring unit and is used for sending a power-on signal when the power source is judged to be in a stop state and the vehicle door is judged to be in a locking state according to the first monitoring data and the second monitoring data and sending a wake-up signal when the actual acceleration output by the third monitoring unit is judged to be greater than a preset acceleration threshold value;
the millimeter wave radar is arranged in a cabin of a motor vehicle and is connected with a vehicle-mounted battery through a normally open switch circuit, the normally open switch circuit is also connected with the data processing module to respond to the power-on signal to be conducted, the millimeter wave radar enters a dormant state when being powered on initially and responds to the wake-up signal in the dormant state to be switched to a monitoring state so as to monitor whether a moving target exists in the cabin, and an alarm signal is sent out when the moving target exists in the cabin; and
and the alarm module is connected with the millimeter wave radar and used for responding to the alarm signal to alarm.
2. The vehicle cabin monitoring device of claim 1, wherein the data processing module has built in:
the storage unit is used for storing first monitoring data which is latest output by the first monitoring unit, second monitoring data which is latest output by the second monitoring unit and the preset acceleration threshold; and
and the control unit is connected with the storage unit, the third monitoring unit and the normally-open switch circuit and is used for analyzing the first monitoring data and the second monitoring data to correspondingly generate the power-on signal and comparing the actual acceleration with the preset acceleration threshold value to correspondingly generate the awakening signal when the actual acceleration is received.
3. The vehicle cabin monitoring device of claim 2, wherein the data processing module further embeds: and the delay unit is connected with the storage unit and the control unit and used for entering a delay state with a preset time length when one of the first monitoring data and the second monitoring data stored in the storage unit is changed and activating the control unit when the other one of the first monitoring data and the second monitoring data stored in the storage unit is also changed in the delay period of the preset time length.
4. The vehicle cabin monitoring device of claim 2, further comprising:
and the signal sending module is connected with the millimeter wave radar and used for responding the alarm signal and sending warning information to a pre-designated remote user terminal.
5. The vehicle cabin monitoring apparatus of claim 4, further comprising:
the signal receiving module is used for receiving a stop signal sent by the remote user terminal; the control unit is also respectively connected with the signal receiving module and the alarm module and used for responding to the stop signal to open the normally open switch circuit and/or stop the alarm module from giving an alarm.
6. The vehicle cabin monitoring device of claim 5, wherein the signal transmitting module and the signal receiving module are integrated into a two-way communication module.
7. The vehicle cabin monitoring device of claim 6, wherein the bi-directional communication module is a T-BOX communication module of a vehicle.
8. The vehicle cabin monitoring device of claim 1, wherein the alarm module is connected to the millimeter wave radar through the data processing module, and the data processing module further comprises a signal forwarding unit for forwarding an alarm signal from the millimeter wave radar to the alarm module.
9. The vehicle cabin monitoring device of claim 8, wherein the data processing module is a body controller of a vehicle, and the body controller is connected to the millimeter wave radar through a CAN bus or a LIN bus of the vehicle.
10. The vehicle cabin monitoring device of claim 1, wherein the millimeter wave radar is mounted at a top of a driver's seat of the cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251318.XU CN218431165U (en) | 2022-08-25 | 2022-08-25 | Monitoring device for motor vehicle cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251318.XU CN218431165U (en) | 2022-08-25 | 2022-08-25 | Monitoring device for motor vehicle cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218431165U true CN218431165U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222251318.XU Active CN218431165U (en) | 2022-08-25 | 2022-08-25 | Monitoring device for motor vehicle cabin |
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| CN (1) | CN218431165U (en) |
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- 2022-08-25 CN CN202222251318.XU patent/CN218431165U/en active Active
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