TWM633518U - Vehicle driving safety distance warning device - Google Patents

Abstract

A vehicle driving safety distance warning device includes a distance measuring unit, a storage unit, a processing unit and a display unit. The distance measuring unit detects the distance between other vehicles and the vehicle, and generates a detected distance value. The storage unit stores corresponding multiple ranges of distance values and multiple warning messages. The processing unit is electrically connected to the distance measuring unit and the storage unit, compares the detected distance value with multiple distance value ranges, and reads a warning message corresponding to the detected distance value from the storage unit. The display unit is electrically connected to the processing unit, and the processing unit sends corresponding warning information to the display unit for display.

Description

Vehicle safety distance warning device

This work relates to a warning device for a safe driving distance, in particular to a warning device for a safe driving distance for a vehicle that displays different warning information when different distance ranges are formed between front and rear vehicles to produce different levels of warning effects.

When a vehicle is driving on the road, the distance between vehicles is an important factor in maintaining driving safety. Most of the traffic accidents are caused by not maintaining a safe driving distance. If the driver can always keep a safe distance from adjacent vehicles, he can The driver has enough contingency time to cope with the road conditions that occur, and thus can avoid traffic accidents to a considerable extent. According to the statistics of traffic accidents by the Highway Administration in 2021, traffic accidents caused by not maintaining a safe distance accounted for 40% of the annual traffic accidents. It can be seen that maintaining a safe driving distance is the most important issue for the safety of passers-by .

The warning of the driving safety of the existing vehicle is the standard brake light of each vehicle, and even some vehicles will install a third brake light near the rear window in the interior of the vehicle. When the driver steps on the brake pedal, the brake light and the third brake light The brake lights will come on to warn drivers of vehicles behind. But this warning mode can only warn the rear driver that the front vehicle has stepped on the brakes, and it depends entirely on the psychological reaction of the rear car driver after seeing the light on the brake light, and its warning effect is quite limited.

In view of this, the purpose of this creation is to provide a vehicle driving safety distance warning device, which can display different warning information when the distance between the vehicle behind and the vehicle is different, so as to stimulate the driver of the vehicle behind to produce appropriate Respond psychologically and operate the vehicle in a timely manner to maintain a safe distance.

In order to achieve the above purpose, an embodiment of the vehicle safety distance warning device of the present invention includes a distance measuring unit, a storage unit, a processing unit and a display unit. The distance measuring unit detects the distance between other vehicles and the vehicle, and generates a detected distance value. The storage unit stores corresponding multiple ranges of distance values and multiple warning messages. The processing unit is electrically connected to the distance measuring unit and the storage unit, compares the detected distance value with multiple distance value ranges, and reads a warning message corresponding to the detected distance value from the storage unit. The display unit is electrically connected to the processing unit, and the processing unit sends corresponding warning information to the display unit for display.

In another embodiment, the ranging unit includes a transmitting element and a receiving element. The transmitting element emits a specific wave, and the specific wave is reflected by other vehicles and received by the receiving element to generate a detection distance value.

In another embodiment, the ranging unit is a millimeter-wave ranging radar, and the wavelength of the specific wave is 1 mm to 10 mm.

In another embodiment, it further includes a casing, the distance measuring unit and the display unit are disposed on the casing, the casing has an inclined installation surface, and the inclined installation surface has a first hollow area and a second hollow area , the first hollow area and the second hollow area are arranged adjacently, the ranging unit is arranged in the first hollow area, and the display unit is arranged in the second hollow area.

In another embodiment, the processing unit and the storage unit are disposed in the casing.

In another embodiment, the distance measuring unit includes a packaging structure, the packaging structure includes a first receiving recess and a second receiving recess, a partition wall is provided between the first receiving recess and the second receiving recess, The emitting element is arranged in the first accommodating recess, and the receiving element is arranged in the second accommodating recess.

In another embodiment, the partition wall is inclined relative to the bottom of the package structure.

In another embodiment, the partition wall is perpendicular to the bottom of the package structure.

In another embodiment, the shell system is disposed on the rear window of the vehicle, and the inclined mounting surface abuts against the rear window.

In another embodiment, the third brake light of the vehicle is connected to the housing and adjacent to the second hollow area.

In another embodiment, it further includes a power supply unit electrically connected to the processing unit, and the power supply unit supplies power to the ranging unit, the processing unit and the display unit.

In another embodiment, the display unit includes a light emitting diode array, and the warning information is generated by one or more light emitting diodes of the light emitting diode array.

In another embodiment, it further includes a housing and a bracket, the bracket is disposed on the top of the housing, the distance measuring unit is rotatably disposed on the bracket via a rotating shaft, and the display unit is disposed on the housing.

The vehicle driving safety distance warning device of the invention uses the processing unit to compare the detected distance value with the stored distance value range in the storage unit, and after confirming that the detected distance value corresponds to one of the distance value ranges, read from the storage unit Get the warning information corresponding to the determined distance value range, and then send the warning information to the display unit for display, thereby displaying warning information with different warning levels in different distance ranges, and prompting the driver of the vehicle behind to produce an appropriate psychological reaction, Operate the vehicle in a timely manner to maintain a safe driving distance and avoid traffic accidents.

1: Vehicle driving safety distance warning device

10, 10': ranging unit

11:Launching element

12: Receiving component

20: storage unit

30: Processing unit

40: Display unit

50: shell

51: Inclined mounting surface

52: The first air-through area

53: The second air-through area

54: Package structure

60: Power supply unit

70: Bracket

71: Shaft

541: the first accommodating recess

542: the second accommodating recess

543: partition wall

W: rear window

Fig. 1 is a perspective view of an embodiment of the vehicle safety distance warning device of the invention.

Fig. 2 is a block diagram of an embodiment of the vehicle safety distance warning device of this invention.

Figure 3 is a cross-sectional view of an embodiment of the packaging structure of the distance measuring unit of the vehicle safety distance warning device of the present invention.

Figure 4 is a cross-sectional view of another embodiment of the packaging structure of the distance measuring unit of the vehicle driving safety distance warning device of the present invention.

Fig. 5 is a side view of the vehicle safety distance warning device installed on the rear window of the vehicle.

Figure 6 is a schematic diagram of the detection of the vehicle distance behind by the vehicle safety distance warning device created by the present invention.

Fig. 7 is a perspective view of another embodiment of the vehicle safety distance warning device of the invention.

Please refer to Fig. 1 to Fig. 6, which represent an embodiment of the vehicle driving safety distance warning device of the present invention. The vehicle driving safety distance warning device 1 of the present embodiment is installed in a vehicle, and is used to display warning information to vehicles behind. The vehicle safety distance warning device 1 of this embodiment includes a distance measuring unit 10 , a storage unit 20 , a processing unit 30 and a display unit 40 . The distance measuring unit 10 detects the distance between other vehicles and the vehicle, and generates a detected distance value. The storage unit 20 stores a plurality of corresponding distance value ranges and a plurality of warning information. The processing unit 30 is electrically connected to the distance measuring unit 10 and the storage unit 20, compares the detected distance value with a plurality of distance value ranges, and reads a value corresponding to the detected distance value from the storage unit 20. alerts. The display unit 40 is electrically connected to the processing unit 30, and the processing unit 30 transmits corresponding warning information to the display unit 40 for display.

The ranging unit 10 of the present embodiment is a millimeter-wave ranging radar, which includes a transmitting element 11 and a receiving element 12. The transmitting element 11 sends a specific wave, the specific wave is a millimeter wave, and the wavelength of the millimeter wave is 1 mm to 10 mm. Between millimeters, the wavelength of millimeter waves is located in the overlapping area of microwaves and infrared rays. Therefore, millimeter waves have the advantages of both microwaves and infrared rays. They are not easily affected by the atmospheric environment and can be used for accurate distance measurement. As shown in FIG. 6 , after the distance measuring unit 10 emits a specific wave, it is reflected by the vehicle behind, and then the reflected specific wave returns to the distance measuring unit 10 and is received by the distance measuring unit 10 . The processing unit 30 calculates the time required for the round trip of the millimeter wave, and then calculates the distance between the vehicle and the vehicle behind.

In another embodiment, the emitting element 11 can also be a light emitting diode (LED) or a laser diode (LD), the specific wave is infrared, and the wavelength is 800nm to 1800nm, and the receiving element 12 can be a light sensor (photo detector) or complementary metal oxide semiconductor (CMOS) sensor.

The vehicle driving safety distance warning device 1 of this embodiment further includes a housing 50, the housing 50 presents a rectangular parallelepiped, and an inclined mounting surface 51 is formed at one end, and a first hollow area 52 is formed on the inclined mounting surface 51. A second hollow area 53 , the ranging unit 10 is disposed in the first hollow area 52 , and the display unit 40 is disposed in the second hollow area 53 . The first hollow area 52 is adjacent to the second hollow area 53 . Specific waves of the distance measuring unit 10 can be sent out from the first hollow area 52 and return to the distance measuring unit 10 via the first hollow area 52 . The display unit 40 emits display light (visible light) through the second hollow area 53 . The inclined mounting surface 51 can be set in accordance with the inclination of the rear window of the vehicle. As shown in FIG. Both the first hollow area 52 and the second hollow area 53 are disposed towards the rear window W. As shown in FIG.

The first hollow area 52 is provided with the packaging structure 54 of the ranging unit 10. The packaging structure 54 includes a first accommodating concave portion 541 and a second accommodating concave portion 542. The emitting element 11 is arranged in the first accommodating concave portion 541. The receiving element 12 is disposed in the second receiving recess 542 . A partition wall 543 is provided between the first accommodating recess 541 and the second accommodating recess 542 , which can reflect the specific wave emitted by the transmitting element 11 and prevent the specific wave just emitted from being directly received by the receiving element 12 to affect the distance measurement result. In the embodiment shown in FIG. 3, the partition wall 543 is inclined relative to the bottom of the packaging structure 54. In the embodiment shown in FIG. The bottom is upright.

The processing unit 30 can be a specific single-chip processor, which is arranged in the casing 50, and the storage unit 20 can be a read-only memory or a programmable memory, which is also arranged in the casing 50, and is arranged in the casing 50. A circuit board, the processing unit 30 and the storage unit 20 are disposed on the circuit board, and the warning information can be stored in the storage unit 20 in a read-only manner.

But the present invention is not limited thereto. In other embodiments, the processing unit 30 and the storage unit 20 can be the processor and memory of the vehicle computer, and the distance measuring unit 10 and the display unit 40 are connected to the vehicle computer of the vehicle. The detection distance value measured by the unit 10 is sent to the vehicle computer for comparison, and the vehicle computer sends warning information to the display unit 40 according to the comparison result. The warning information stored in the car computer can be modified through the input device of the center console, and then re-stored in the car computer.

In other embodiments, the processing unit 30 and the storage unit 20 may be the processor and memory of the driver's mobile device, such as the processor and memory of a smartphone. The distance measuring unit 10 and the display unit 40 are connected to the driver's mobile device in a wireless manner (such as Bluetooth) via a wireless communication module, and relevant application programs are installed in the driver's mobile device, and the distance measured by the distance measuring unit 10 is The detected distance value is sent to the driver's mobile device, and the mobile device sends warning information to the display unit 40 according to the comparison result. The warning information stored in the mobile device can be modified through the relevant application program, and then re-stored in the mobile device.

The warning information in this embodiment can be set according to the distance range value. For example, when the distance between the vehicle and the vehicle behind is less than 10 meters, the warning information displayed on the display unit 40 is "keep the distance". When the distance is less than 5 meters, the warning message displayed on the display unit 40 is "don't rush me". These warning information can be pre-set when the vehicle driving safety distance warning device 1 of this creation leaves the factory, and can be modified by the user to the warning information he likes after leaving the factory.

The display unit 40 of this embodiment may be an array of light emitting diodes, and the warning information may be text or patterns, which are displayed by one or more light emitting diodes in the array of light emitting diodes. The display unit 40 can also be a liquid crystal display panel, and besides text or pattern, it can also display warning information in the form of animation or image.

The vehicle safety distance warning device 1 of the present invention further includes a power supply unit 60 , the power supply unit 60 is connected to the processing unit 30 , and the processing unit 30 controls and manages the power supplied by the power supply unit 60 to the distance measuring unit 10 and the display unit 40 . The power supply unit 60 of this embodiment may be a battery installed in the casing 50 , a switch element is arranged on a circuit board in the casing 50 , and the switch element is turned on or off by a button arranged on the casing 50 . In other embodiments, the power supply unit 60 can also use the power supply of the car, controlled by the electric door switch of the vehicle so that the power of the power supply unit 60 is synchronously supplied to the electrical system of the vehicle and the vehicle driving safety distance warning device 1 of the present invention.

In another embodiment, the third brake light of the vehicle may be connected to the casing 50 , for example, disposed below the casing 50 and adjacent to the display unit 40 .

Please refer to Fig. 7, which represents another embodiment of the vehicle safety distance warning device of this creation, the structure of this embodiment is the same as that of the previous embodiment, so the same components are given the same symbols and their descriptions are omitted . The ranging unit 10' of this embodiment is set separately from the casing 50. The ranging unit 10' is rotatably mounted on the bracket 70 with a rotating shaft 71, and the bracket 70 is fixed on the top of the casing 50. Take this distance The unit 10' can be rotated and adjusted according to the height of the rear window of the vehicle in which it is installed, so as to be suitable for vehicles with rear windows of different heights.

The vehicle driving safety distance warning device of the invention uses the processing unit to compare the detected distance value with the stored distance value range in the storage unit, and after confirming that the detected distance value corresponds to one of the distance value ranges, read from the storage unit Get the warning information corresponding to the determined distance value range, and then send the warning information to the display unit for display, thereby displaying warning information with different warning levels in different distance ranges, and prompting the driver of the vehicle behind to produce an appropriate psychological reaction, Operate the vehicle in a timely manner to maintain a safe driving distance and avoid traffic accidents.

However, the above is only a preferred embodiment of this creation, and should not limit the scope of implementation of this creation, that is, all simple equivalent changes and modifications made according to the patent scope of this creation and the content of the new description, All still belong to the scope covered by this creation patent. In addition, any embodiment or patent scope of this creation does not need to achieve all the purposes or advantages or characteristics disclosed in this creation. In addition, the abstract part and the title are only used to assist in the search of patent documents, and are not used to limit the scope of rights of this creation. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name elements (elements) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. upper or lower limit.

10: Ranging unit

11:Launching element

12: Receiving component

40: Display unit

50: shell

51: Inclined mounting surface

52: The first air-through area

53: The second air-through area

Claims (14)

A vehicle driving safety distance warning device is arranged on a vehicle, and the vehicle driving safety distance warning device (1) comprises: A ranging unit (10, 10'), which detects the distance between other vehicles and the vehicle, and generates a detection distance value; A storage unit (20), which stores corresponding ranges of multiple distance values and multiple warning messages; A processing unit (30), electrically connected to the distance measuring unit (10, 10') and the storage unit (20), compares the detected distance value with a plurality of distance value ranges, and reads the distance value corresponding to the detected distance value. A warning message corresponding to the distance measurement value; and A display unit (40) is electrically connected to the processing unit (30), and the processing unit (30) sends the corresponding warning information to the display unit (40) for display. As the vehicle driving safety distance warning device described in claim 1, wherein the distance measuring unit (10) includes a transmitting element (11) and a receiving element (12), the transmitting element (11) sends a specific wave, the The specific wave is received by the receiving element (12) after being reflected by other vehicles to generate the detection distance value. The vehicle driving safety distance warning device according to claim 2, wherein the ranging unit (10) is a millimeter-wave ranging radar, and the wavelength of the specific wave is 1 mm to 10 mm. The vehicle safety distance warning device (1) as described in claim 2, wherein the emitting element (11) is a light-emitting diode or a laser diode, and the specific wave is infrared, and its wavelength is 800nm to 1800nm, The receiving element (12) is a photo detector or a complementary metal oxide semiconductor (CMOS) sensor. The vehicle driving safety distance warning device as described in claim 2 further includes a casing (50), the distance measuring unit (10) and the display unit (40) are arranged on the casing (50), the casing The body (50) has an inclined installation surface (51), and the inclined installation surface (51) has a first hollow area (52) and a second hollow area (53), The first hollow area (52) is set adjacent to the second hollow area (53), the distance measuring unit (10) is set in the first hollow area (52), and the display unit (40) is set In the second hollow area (53). The vehicle driving safety distance warning device according to claim 5, wherein the processing unit (30) and the storage unit (20) are arranged in the casing (50). The vehicle driving safety distance warning device as described in claim 5, wherein the distance measuring unit (10) includes a packaging structure (54), and the packaging structure (54) includes a first accommodating recess (541) and a first Two accommodation recesses (542), a partition wall (543) is provided between the first accommodation recess (541) and the second accommodation recess (542), and the emitting element (11) is arranged in the first accommodation The recess (541), the receiving element (12) is arranged in the second accommodating recess (542). The vehicle driving safety distance warning device according to claim 7, wherein the partition wall (543) is inclined relative to the bottom of the packaging structure (54). The vehicle safety distance warning device according to claim 7, wherein the partition wall (543) is perpendicular to the bottom of the packaging structure (54). The vehicle driving safety distance warning device as described in claim 5, wherein the casing (50) is arranged on a rear window (W) of the vehicle, and the inclined installation surface (51) abuts against the rear vehicle window (W). The vehicle driving safety distance warning device according to claim 5, wherein the third brake light of the vehicle is connected to the casing (50) and is adjacent to the second hollow area (53). The vehicle driving safety distance warning device as described in claim 1 further includes a power supply unit (60), electrically connected to the processing unit (30), and the power supply unit (60) supplies power to the distance measuring unit ( 10), the processing unit (30) and the display unit (40). The vehicle driving safety distance warning device as described in claim 1, wherein the display unit (40) includes a light-emitting diode array, and the warning information is generated by one or more light-emitting diodes of the light-emitting diode array . The vehicle driving safety distance warning device as described in claim 2, it further includes a casing (50) and a bracket (70), the bracket (70) is arranged on the top of the casing (50), and the distance measuring The unit (10') is rotatably arranged on the bracket (70) via a rotating shaft (71), and the display unit (40) is arranged on the casing (50).

Images