CN213149950U - Driving safety real-time monitoring device - Google Patents
Driving safety real-time monitoring device Download PDFInfo
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- CN213149950U CN213149950U CN202022331597.1U CN202022331597U CN213149950U CN 213149950 U CN213149950 U CN 213149950U CN 202022331597 U CN202022331597 U CN 202022331597U CN 213149950 U CN213149950 U CN 213149950U
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Abstract
The utility model provides a real-time monitoring device for driving safety, which comprises a host, a drunk driving detection mechanism, a driving visual field detection mechanism and a fatigue driving detection mechanism; the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism are respectively in communication connection with the host; the host computer is arranged on an automobile body through an installation mechanism, the installation mechanism comprises a connecting piece, an installation piece, a base and an elastic structure, the base is installed on the automobile body, the installation piece is located above a vertical axis of the base, the elastic structure is arranged between the installation piece and the base, the elastic structure is used for providing elastic support for the installation piece, and the connecting piece is movably connected with the installation piece. The utility model discloses a driving safety real-time supervision device, simple structure, low price are fit for most vehicles to install additional on the existing market, and driving safety real-time supervision device has multiple detection mechanism, can real-time detection driver's the condition to carry out the early warning and remind.
Description
Technical Field
The utility model belongs to the technical field of car safe driving technique and specifically relates to indicate a driving safety real-time supervision device.
Background
With the economic development, the automobile holding capacity in the market is continuously increased, and meanwhile, the traffic safety problem is prominent day by day, such as traffic accidents caused by drunk driving, fatigue driving, illegal driving and the like, and the safety of human life and property is seriously threatened. In order to reduce the occurrence of traffic accidents, automobile manufacturers set various detection devices for vehicles to eliminate the possibility of drunk driving, fatigue driving and illegal driving of drivers, such as speed-limiting driving, overspeed reminding, fatigue driving reminding, line-crossing reminding and the like, but the above technologies are all applied to new models, and for old household minibuses and large transport vehicles, no safety driving device relatively suitable for the old household minibuses and large transport vehicles is provided, and under the condition that the travel and logistics requirements are increasing, the protection of the personal safety of drivers and the safety of logistics articles is very important, so that the driving safety monitoring device which is low in cost and can be conveniently installed on household minibuses and large transport vehicles of different models is required to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a driving safety real-time supervision device, simple structure, low price are fit for most vehicles to install additional on the existing market, and drive safety real-time supervision device and have multiple detection mechanism, can real-time detection driver's the condition to carry out the early warning and remind.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a driving safety real-time monitoring device comprises a host, a drunk driving detection mechanism, a driving visual field detection mechanism and a fatigue driving detection mechanism; the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism are respectively in communication connection with the host; the drunk driving detection mechanism is used for detecting the alcohol content of gas in the driving space, the driving vision detection mechanism is used for detecting the driving vision deviation angle of a driver, and the fatigue driving detection mechanism is used for detecting whether the driver is in fatigue driving according to the driving time length of the driver; the intelligent drunk driving detection system is characterized in that a central control assembly is arranged on the host, the central control assembly can receive data of a drunk driving detection mechanism, a driving vision detection mechanism and a fatigue driving detection mechanism and process the data, the host is arranged on an automobile body through four mounting mechanisms, the four mounting mechanisms are respectively arranged at four corners of the host, each mounting mechanism comprises a connecting piece, a mounting piece, a base and an elastic structure, the base is mounted on the automobile body, the mounting pieces are located above vertical axes of the bases, the elastic structures are arranged between the mounting pieces and the bases, the elastic structures are used for providing elastic support for the mounting pieces, and the connecting pieces are movably connected with the mounting pieces.
Compared with the prior art, the utility model discloses a driving safety real-time supervision device, it includes host computer, wine drives detection mechanism, drives field of vision detection mechanism and tired driving detection mechanism, wherein wine drives detection mechanism, drives field of vision detection mechanism, tired driving detection mechanism and is connected with the host computer communication respectively, and each mechanism is cheap, and spare part is easily obtained, and only need to install the host computer can ensure the utility model is suitable for most vehicles on the existing market; in addition, installation mechanism sets up on automobile body is passed through in the four corners of host computer, and this installation mechanism includes connecting piece, installed part, base and elastic construction, connecting piece and installed part swing joint, the installed part provides elastic support by elastic construction to make the host computer can install in the space of difference with different angles to the vehicle (domestic minibus and large transportation vehicle) of adaptation different models, thereby can install for driving the utility model discloses a driver of domestic minibus and large transportation vehicle provides the driving safety guarantee.
Preferably, the connecting piece is horizontally arranged on the side part of the main machine, and a ball body is arranged on the connecting piece; the installation part is positioned on a horizontal axis where the connecting piece is positioned, a groove matched with the ball body is formed in the installation part, and the ball body is detachably and movably arranged in the groove.
The connecting piece with the installed part adopts above-mentioned mode to connect to ensure the connecting piece can be relative the installed part carries out the swing of multi-angle from top to bottom from front to back, thereby the host computer of being convenient for adjusts installation angle according to actual installation needs.
Preferably, the elastic structure includes extensible member and spring, the installed part is connected to extensible member one end, and the base is connected to the other end, the spring housing is established outside the extensible member, spring one end is contradicted the installed part, the other end is contradicted the base.
Through adopting above-mentioned elastic construction, can provide the buffering for the host computer, ensure that the host computer is when the vehicle goes to comparatively jolt highway section, spare part can not be because of vibrations unable normal work, in addition, because the installation space height is different, adopt the aforesaid elastic construction, through the compression extensible member, can make the host computer install on the less position in space.
Preferably, the bottom of the base is provided with a suction cup or an adhesive or a screw.
The base can be firmly connected with the automobile body through a sucking disc or an adhesive or a screw at the bottom.
Preferably, the host further comprises a housing, and the central control component is arranged in the housing; the central control assembly comprises a control module, a power supply module, a first wireless communication module, a voice alarm module, a GPS positioning module and an acceleration sensor; the power supply module, the first wireless communication module, the voice alarm module, the GPS positioning module and the acceleration sensor are respectively and electrically connected with the control module, and the control module is used for processing data and outputting instructions; the power supply module is used for connecting a vehicle-mounted power supply and supplying power to the central control assembly; the first wireless communication module is used for being in communication connection with the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism; the voice alarm module is used for sounding corresponding early warning according to detection results of the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism; the GPS positioning module is used for positioning the automobile body; the acceleration sensor is used for measuring the vehicle speed.
Preferably, the mobile terminal further comprises a mobile terminal, the central control component is in communication connection with the mobile terminal, and the mobile terminal can receive data sent by the central control component.
Because the mobile terminal receives the data sent by the central control component, the holder of the mobile terminal can monitor the conditions of the vehicle and the driver in real time when the central control component responds, and can timely stop the driver when finding that the driver is abnormal.
Preferably, the system further comprises a cloud platform, the central control assembly is in communication connection with the cloud platform, and the cloud platform can receive and process data sent by the central control assembly and send instructions to the central control assembly.
The networking intercommunication of high in the clouds platform and on-vehicle host computer can reduce the operating pressure of host computer to and make relevant detection data can be served with the high in the clouds platform fast transmission to the removal, and the high in the clouds platform also can be following to reach instruction to host computer, thereby the realization is right the utility model discloses a remote control.
Preferably, the drunk driving detection mechanism comprises an alcohol concentration detector, and the alcohol concentration detector is arranged in a carriage and used for detecting the alcohol concentration in the carriage; the central control component responds when the alcohol concentration exceeds a preset threshold.
If the vehicle is in an un-started state, when the alcohol concentration detector detects that the concentration of alcohol gas in the air exceeds a threshold value, the control module controls the vehicle-mounted power supply to be incapable of being started, and triggers the voice alarm module to sound an alarm, and the control module can remind and send the vehicle position to the corresponding mobile terminal through the cloud platform.
If the vehicle is in a starting state, when the alcohol concentration detector detects that the concentration of alcohol gas in the air exceeds a threshold value, the voice alarm module can be triggered to sound an alarm, the control module can alarm and send the position of the vehicle to the corresponding mobile terminal through the cloud platform, and a holder of the corresponding mobile terminal is reminded that the driver is in a suspected wine driving state and needs to stop timely.
Preferably, the driving visual field detection mechanism includes an ear-worn balance sensor; the central control component responds when the balance sensor detects that the driver's head tilt angle exceeds a preset threshold.
According to the literature, when the speed of the automobile is 64km/h, the effective visual angle of a driver is 74 degrees; when the automobile speed is 97km/h, the effective visual angle of a driver is 40 degrees, the driver can enable the balance sensor to timely detect the head balance angle position of the driver to determine whether the driver is in a normal driving posture by wearing the balance sensor, if the driver is detected to deviate from the normal driving visual field, the balance sensor can warn the driver through vibration, and therefore behaviors of the driver of driving illegally, such as dozing off, lowering the head and playing a mobile phone, can be effectively prevented, and in addition, the function of a Bluetooth earphone can be added to the balance sensor.
Preferably, the fatigue driving detection mechanism comprises a pressure sensor, a timer, a second wireless communication module and a power supply, the pressure sensor is electrically connected with the timer, the pressure sensor is extruded to trigger the timer to start timing, the second wireless communication module is used for sending timing data of the timer to the central control assembly, and the power supply is used for supplying power to the pressure sensor, the timer and the second wireless communication module; the central control component responds when the number of counts exceeds a preset threshold.
When the driving time of a driver exceeds the preset driving time (the national specified continuous driving time is 4 hours and the rest is not less than 20 minutes), the central control component responds and transmits the related data to the cloud platform, the cloud platform transmits the alarm information to the corresponding mobile terminal in real time, and the mobile terminal carries out early warning on the holder of the mobile terminal, so that the driver in a fatigue driving state is prevented.
Drawings
Fig. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of a host;
FIG. 3 is a schematic view of one of the installed states of the host;
FIG. 4 is a schematic view of a mounting mechanism;
fig. 5 is a schematic diagram of the fatigue driving detection mechanism.
Description of reference numerals:
the main engine, 11 casings, 12 central control subassemblies, 13 control modules, 14 power supply modules, 15 first wireless communication modules, 16 voice alarm modules, 17GPS orientation module, 18 acceleration sensor, 2 installation mechanism, 21 connecting pieces, 22 spheroid, 23 installed parts, 24 recesses, 25 bases, 26 extensible members, 27 springs, 3 detection mechanism is driven to wine, 4 detection mechanism of driving visual field, 5 detection mechanism is driven to tired, 51 pressure sensor, 52 timers, 53 second wireless communication modules, 6 removal ends, 7 cloud platform.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings:
referring to fig. 1, the present embodiment provides a driving safety real-time monitoring device, including host 1, drunk driving detection mechanism 3, driving visual field detection mechanism 4, fatigue driving detection mechanism 5, mobile terminal 6 and cloud platform 7.
Referring to fig. 1, a central control assembly 12 is arranged on the host 1, and the central control assembly 12 can receive and process data of the drunk driving detection mechanism 3, the driving vision detection mechanism 4 and the fatigue driving detection mechanism 5; the cloud platform 7, the drunk driving detection mechanism 3, the driving visual field detection mechanism 4 and the fatigue driving detection mechanism 5 are respectively in communication connection with the host 1; the drunk driving detection mechanism 3 is used for detecting the alcohol content of gas in a driving space, the driving vision detection mechanism 4 is used for detecting the driving vision deviation angle of a driver, and the fatigue driving detection mechanism 5 is used for detecting whether the driver is in fatigue driving according to the driving time length of the driver; the central control assembly 12 is in communication connection with the mobile terminal 6, and the mobile terminal 6 can receive data sent by the central control assembly 12; the cloud platform 7 can receive and process data sent by the central control component 12, and send instructions to the central control component 12.
Because the mobile terminal 6 receives the data sent by the central control component 12, the holder of the mobile terminal 6 can monitor the conditions of the vehicle and the driver in real time when the central control component 12 responds, and can timely stop when the driver is found to be abnormal; high in the clouds platform 7 and on-vehicle host computer 1's networking intercommunication can reduce host computer 1's operating pressure to and make relevant detection data can with cross high in the clouds platform 7 fast transmission to remove on holding 6, and high in the clouds platform 7 also can be following to reach instruction to host computer 1, thereby it is right to realize the utility model discloses a remote control.
Referring to fig. 1 and 2, the host 1 further includes a housing 11, and the central control component 12 is disposed in the housing 11; the central control component 12 comprises a control module 13, a power supply module 14, a first wireless communication module 15, a voice alarm module 16, a GPS positioning module 17 and an acceleration sensor 18; the power supply module 14, the first wireless communication module 15, the voice alarm module 16, the GPS positioning module 17 and the acceleration sensor 18 are respectively electrically connected with the control module 13, and the control module 13 is used for processing data and outputting instructions; the power supply module 14 is used for connecting a vehicle-mounted power supply and supplying power to the central control assembly 12; the first wireless communication module 15 is used for being in communication connection with the drunk driving detection mechanism 3, the driving vision detection mechanism 4 and the fatigue driving detection mechanism 5; the voice alarm module 16 is used for sounding corresponding early warning according to the detection results of the drunk driving detection mechanism 3, the driving visual field detection mechanism 4 and the fatigue driving detection mechanism 5; the GPS positioning module 17 is used for positioning the automobile body; the acceleration sensor 18 is used to measure the vehicle speed.
The drunk driving detection mechanism 3 comprises an alcohol concentration detector (not shown in the figure) which is arranged in the carriage and used for detecting the alcohol concentration in the carriage; the central control unit 12 responds when the alcohol concentration exceeds a preset threshold.
If the vehicle is in an un-started state, when the alcohol concentration detector detects that the concentration of alcohol gas in the air exceeds a threshold value, the control module 13 controls the vehicle-mounted power supply to be incapable of being started, and triggers the voice alarm module 16 to give an alarm, and the control module 13 can remind and send the vehicle position to the corresponding mobile terminal 6 through the cloud platform 7.
If the vehicle is in a starting state, when the alcohol concentration detector detects that the concentration of alcohol gas in the air exceeds a threshold value, the voice alarm module 16 can be triggered to sound an alarm, the control module 13 can give an alarm to the corresponding mobile terminal 6 through the cloud platform 7 and send the position of the vehicle, and a holder of the corresponding mobile terminal 6 is reminded that the driver is in a suspected wine driving state and needs to stop in time.
The driving visual field detection mechanism 4 includes an ear-worn balance sensor (not shown in the figure); the central control unit 12 responds when the balance sensor detects that the driver's head inclination angle exceeds a preset threshold.
According to the literature, when the speed of the automobile is 64km/h, the effective visual angle of a driver is 74 degrees; when the automobile speed is 97km/h, the effective visual angle of a driver is 40 degrees, the driver can enable the balance sensor to timely detect the head balance angle position of the driver to determine whether the driver is in a normal driving posture by wearing the balance sensor, if the driver is detected to deviate from the normal driving visual field, the balance sensor can warn the driver through vibration, and therefore behaviors of the driver of driving illegally, such as dozing off, lowering the head and playing a mobile phone, can be effectively prevented, and in addition, the function of a Bluetooth earphone can be added to the balance sensor.
Referring to fig. 5, the fatigue driving detecting mechanism 5 includes a pressure sensor 51, a timer 52, a second wireless communication module 53 and a power supply (not shown in the figure), the pressure sensor 51 is electrically connected to the timer 52, the pressure sensor 51 is squeezed to trigger the timer 52 to start timing, the second wireless communication module 53 is used for sending timing data of the timer 52 to the central control component 12, and the power supply is used for supplying power to the pressure sensor 51, the timer 52 and the second wireless communication module 53; the central control component 12 responds when the number of counts exceeds a preset threshold.
When the driving time of the driver exceeds the preset driving time (the national specified continuous driving time is 4 hours and the rest is not less than 20 minutes), the central control component 12 responds and transmits the related data to the cloud platform 7, the cloud platform 7 transmits the alarm information to the corresponding mobile terminal 6 in real time, and the owner of the mobile terminal 6 is warned, so that the driver in the fatigue driving state is prevented.
Referring to fig. 2 to 4, the main engine 1 is arranged on an automobile body through an installation mechanism 2, the installation mechanisms 2 are four, the four installation mechanisms 2 are respectively arranged at four corners of the main engine 1, each installation mechanism 2 comprises a connecting piece 21, an installation piece 23, a base 25 and an elastic structure, the base 25 is installed on the automobile body, the installation pieces 23 are located above vertical axes of the base 25, the elastic structures are arranged between the installation pieces 23 and the base 25, the elastic structures are used for providing elastic support for the installation pieces 23, and the connecting pieces 21 are movably connected with the installation pieces 23
Referring to fig. 2 to 4, the connecting member 21 is horizontally disposed at a side portion of the main body 1, and a ball 22 is disposed on the connecting member 21; the mounting piece 23 is located on a horizontal axis where the connecting piece 21 is located, a groove 24 matched with the ball body 22 is formed in the mounting piece 23, and the ball body 22 is detachably and movably arranged in the groove 24.
The connecting piece 21 with the installed part 23 is connected in the above mode, so that the connecting piece 21 can swing from front to back and vertically at multiple angles relative to the installed part 23, and the installation angle of the host 1 can be adjusted conveniently according to actual installation requirements.
Referring to fig. 2 to 4, the elastic structure includes an expansion member 26 and a spring 27, one end of the expansion member 26 is connected to the mounting member 23, the other end is connected to the base 25, the spring 27 is sleeved outside the expansion member 26, one end of the spring 27 abuts against the mounting member 23, and the other end abuts against the base 25.
Through adopting above-mentioned elastic construction, can provide the buffering for host computer 1, ensure that host computer 1 when the vehicle goes to comparatively jolt highway section, spare part can not be because of vibrations unable normal work, in addition, because the installation space height is different, adopt the aforesaid elastic construction, through compression extensible member 26, can make host computer 1 install on the less position in space.
The bottom of the base 25 is provided with a suction cup (not shown) or an adhesive or a screw.
The base 25 can be firmly connected to the automobile body through a suction cup or an adhesive or a screw at the bottom.
Compared with the prior art, the utility model discloses a driving safety real-time monitoring device, it includes host computer 1, drunk driving detection mechanism 3, drives field of vision detection mechanism 4 and tired driving detection mechanism 5, wherein drunk driving detection mechanism 3, drives field of vision detection mechanism 4, tired driving detection mechanism 5 and is connected with host computer 1 communication respectively, and each mechanism low price, spare part are easily obtained, and only need to install host computer 1 can ensure the utility model is suitable for most vehicles on the existing market; in addition, installation mechanism 2 sets up on automobile body is passed through in the four corners of host computer 1, and this installation mechanism 2 includes connecting piece 21, installed part 23, base 25 and elastic construction, connecting piece 21 and installed part 23 swing joint, installed part 23 provides elastic support by elastic construction, thereby makes host computer 1 can install in the space of difference with different angles to the vehicle (domestic minibus and large transportation vehicle) of adaptation different models, thereby can install for driving the utility model discloses a driver of domestic minibus and large transportation vehicle provides the driving safety guarantee.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a driving safety real-time supervision device which characterized in that: the drunk driving detection system comprises a host, a drunk driving detection mechanism, a driving visual field detection mechanism and a fatigue driving detection mechanism; the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism are respectively in communication connection with the host; the drunk driving detection mechanism is used for detecting the alcohol content of gas in the driving space, the driving vision detection mechanism is used for detecting the driving vision deviation angle of a driver, and the fatigue driving detection mechanism is used for detecting whether the driver is in fatigue driving according to the driving time length of the driver;
the intelligent drunk driving detection system is characterized in that a central control assembly is arranged on the host, the central control assembly can receive data of a drunk driving detection mechanism, a driving vision detection mechanism and a fatigue driving detection mechanism and process the data, the host is arranged on an automobile body through four mounting mechanisms, the four mounting mechanisms are respectively arranged at four corners of the host, each mounting mechanism comprises a connecting piece, a mounting piece, a base and an elastic structure, the base is mounted on the automobile body, the mounting pieces are located above vertical axes of the bases, the elastic structures are arranged between the mounting pieces and the bases, the elastic structures are used for providing elastic support for the mounting pieces, and the connecting pieces are movably connected with the mounting pieces.
2. The driving safety real-time monitoring device according to claim 1, characterized in that: the connecting piece is horizontally arranged on the side part of the main machine, and a ball body is arranged on the connecting piece;
the installation part is positioned on a horizontal axis where the connecting piece is positioned, a groove matched with the ball body is formed in the installation part, and the ball body is detachably and movably arranged in the groove.
3. The driving safety real-time monitoring device according to claim 1, characterized in that: the elastic structure comprises an extensible member and a spring, wherein one end of the extensible member is connected with the mounting member, the other end of the extensible member is connected with the base, the spring sleeve is arranged outside the extensible member, one end of the spring is abutted against the mounting member, and the other end of the spring is abutted against the base.
4. The driving safety real-time monitoring device according to claim 1, characterized in that: the bottom of the base is provided with a sucker or an adhesive or a screw.
5. The driving safety real-time monitoring device according to claim 1, characterized in that: the host machine further comprises a casing, and the central control assembly is arranged in the casing;
the central control assembly comprises a control module, a power supply module, a first wireless communication module, a voice alarm module, a GPS positioning module and an acceleration sensor;
the power supply module, the first wireless communication module, the voice alarm module, the GPS positioning module and the acceleration sensor are respectively and electrically connected with the control module, and the control module is used for processing data and outputting instructions;
the power supply module is used for connecting a vehicle-mounted power supply and supplying power to the central control assembly;
the first wireless communication module is used for being in communication connection with the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism;
the voice alarm module is used for sounding corresponding early warning according to detection results of the drunk driving detection mechanism, the driving visual field detection mechanism and the fatigue driving detection mechanism;
the GPS positioning module is used for positioning the automobile body;
the acceleration sensor is used for measuring the vehicle speed.
6. The driving safety real-time monitoring device according to claim 5, wherein: the mobile terminal is characterized by further comprising a mobile terminal, the central control assembly is in communication connection with the mobile terminal, and the mobile terminal can receive data sent by the central control assembly.
7. The driving safety real-time monitoring device according to claim 6, wherein: the cloud platform can receive and process data sent by the central control assembly and send instructions to the central control assembly.
8. The driving safety real-time monitoring device according to claim 1, characterized in that: the drunk driving detection mechanism comprises an alcohol concentration detector, and the alcohol concentration detector is arranged in the carriage and used for detecting the alcohol concentration in the carriage;
the central control component responds when the alcohol concentration exceeds a preset threshold.
9. The driving safety real-time monitoring device according to claim 1, characterized in that: the driving visual field detection mechanism comprises an ear-worn balance sensor;
the central control component responds when the balance sensor detects that the driver's head tilt angle exceeds a preset threshold.
10. The driving safety real-time monitoring device according to claim 1, characterized in that: the fatigue driving detection mechanism comprises a pressure sensor, a timer, a second wireless communication module and a power supply, wherein the pressure sensor is electrically connected with the timer, the pressure sensor is extruded to trigger the timer to start timing, the second wireless communication module is used for sending timing data of the timer to the central control assembly, and the power supply is used for supplying energy to the pressure sensor, the timer and the second wireless communication module;
the central control component responds when the number of counts exceeds a preset threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331597.1U CN213149950U (en) | 2020-10-18 | 2020-10-18 | Driving safety real-time monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331597.1U CN213149950U (en) | 2020-10-18 | 2020-10-18 | Driving safety real-time monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213149950U true CN213149950U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022331597.1U Expired - Fee Related CN213149950U (en) | 2020-10-18 | 2020-10-18 | Driving safety real-time monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN213149950U (en) |
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2020
- 2020-10-18 CN CN202022331597.1U patent/CN213149950U/en not_active Expired - Fee Related
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