CN208872872U - Blind zone detection device - Google Patents

Abstract

The utility model provides a kind of blind zone detection device, solves the problems, such as that there are security risks for vehicle blind zone driving, its key points of the technical solution are that, including the use of the probe of electromagnetic wave detection blind area traffic information, host and warning part；The traffic information that detection obtains is fed back to host, data-signal of the host by processing including traffic information by probe, and drives the alarm of alarm part to warn driving personnel, security risk caused by vehicle blind zone can be reduced, ensure traffic safety, probe detects road conditions using electromagnetic wave, furthermore, emitted wave frequency pop one's head between 77-81GHz, plastics can be penetrated, simple to install is small in size, the influence of the scenes such as bad weather, night can be overcome, to realize all weather operations.

Description

Blind zone detection device

Technical field

The utility model relates to vehicle blind zone field of detecting more particularly to a kind of blind zone detection devices.

Background technique

Safe driving is extremely important in vehicle travel process, but vehicle usually there will be some blind areas.After vehicle Visor can observe the case where rear of vehicle at any time, super by the way that whether the knowable rear of rearview mirror has when vehicle needs changing Lane Vehicle situation, if there is passing vehicle, the operation in the lane that stops transformation guarantees the safety in driving process.But rearview mirror would generally There are blind areas, cause observation not comprehensive, therefore, have improved space.

Utility model content

The purpose of the utility model is to provide a kind of blind zone detection devices, and there is detection vehicle blind zone to be gone with timely prompting Vehicle personnel, to reduce the effect of security risk.

To achieve the goals above, the utility model the following technical schemes are provided:

A kind of blind area detection device, including probe, host and warning part；

The probe is believed for being mounted at vehicle rear bumper using the road conditions of electromagnetic wave detection vehicle blind zone doubling Breath, and the data-signal comprising the traffic information is fed back into host；

The host, including controller and respectively probe driving circuit connected to the controller, warn part driving circuit and Trigger signal detection circuit, the warning part are connect with warning part driving circuit, and the host and probe pass through probe driving electricity Road connection, for receiving the data-signal from probe feedback, and the data-signal based on probe feedback and triggering letter The signal that number detection circuit detects is to drive warning part to sound an alarm；

The warning part, in the gap for being mounted between vehicle A column and instrument board, the driving signal of receiving host is simultaneously It sounds an alarm.

Through the above scheme, the traffic information of vehicle blind zone is detected by popping one's head in and is fed back is handled to host, it is main Machine is then based on pop one's head in fed back traffic information and trigger signal detection circuit signal detected so that warning driving circuit The alarm of driving warning part reduces security risk caused by vehicle blind zone so that driving personnel be reminded to pay attention to road conditions, it is ensured that row Vehicle safety, probe detect road conditions using electromagnetic wave, pop one's head in emitted wave frequency between 77-81GHz, can be with Plastics are penetrated, in order to install, while influence of the scenes such as bad weather, night to detection can be overcome, it can be achieved that round-the-clock Work.

Further setting: the power supply of the trigger signal detection circuit and vehicle, back-up lamp, side-marker lamp and steering circuit for lamp Connection.

Through the above scheme, the power information of vehicle is detected by detection trigger signal circuit, back-up lamp opens and closes information, shows The opening and closing information of wide lamp opening and closing information and turn signal, host is based on the traffic information and detection trigger signal fed back with popping one's head in Circuit data-signal detected combines, when the data-signal of combination is located in the preset alarm value range of warning part driving circuit When, warning part driving circuit just drives warning part to alarm.

Further setting: the blind area of the left and right rearview mirror of the corresponding vehicle of popping one's head in is respectively provided with one, the warning part pair It should pop one's head in there are two settings.

Through the above scheme, since the arranged on left and right sides of vehicle has rear view mirror blind zone, two be correspondingly arranged warning Blind area of vehicle rear mirror can be covered detection by part, while two warnings of corresponding probe setting can respectively correspond probe and be fed back Detection information with timely presenting bank vehicle personnel, so that driving personnel pays attention to and safe driving.

Further setting: the warning part includes warning lamp and buzzer.

Through the above scheme, sound-light alarm can be formed in conjunction with buzzer by warning lamp, enhances the police to driving personnel It is shown as using.

Further setting: the warning part further include alarm device shell for encapsulating warning lamp and buzzer and with police The flexible inserted sheet of device shell clamping is reported, the alarm device shell is installed in the gap of vehicle by flexible inserted sheet.

Through the above scheme, alarm device shell can be mounted on by the flexible inserted sheet being clamped with alarm device shell by vehicle A In gap between column and instrument board, and flexible inserted sheet quality is soft, can deformation occurs to be adapted to the installation of different location.

Further setting: the mounting groove for extending to alarm device shell edge, the peace are offered on the alarm device shell Be equipped with the link block that several length directions along mounting groove extend in tankage, the flexibility inserted sheet be installed in mounting groove and with even Connect block clamping.

Through the above scheme, by selecting the link block of different location to be clamped with flexible inserted sheet, so as to change Flexible inserted sheet is located at the length of mounting groove outer portion, so that flexible inserted sheet can be suitable for the installation of different automobile types, to mention The applicability of high alarm device installation.

Further setting: one end of the separate clamping with alarm device shell of flexibility inserted sheet is serrated setting.

Through the above scheme, the flexible inserted sheet of laciniation can form elastic slice, increase flexible inserted sheet to slot sidewall Power is pushed against, to increase the stability that flexible inserted sheet is located in gap, and then improves the stability of alarm device.

Further setting: the probe includes mounting shell and the circuit board that is contained in mounting shell, on the circuit board Equipped with electromagnetic sensor, the wave frequency that the electromagnetic sensor is emitted is between 77-81GHz.

Through the above scheme, by installing electromagnetic sensor on circuit boards to realize probe function, wave frequency Between 77-81GHz range, detectable signal can pass through plastics, then probe assembly is mounted in support component, then by supporting Component is mounted on to be detected on the bumper of vehicle, and this sonde configuration is simple, small in size, the occasion model of practical installation It encloses extensively.

Further setting: the waveguide pipe around electromagnetic sensor setting is connected on the circuit board.

Through the above scheme, waveguide pipe can be subtracted with the detection angle and range of guide electromagnetic waves to reduce detection range The interference of object outside few blind area, to achieve the purpose that enhance detection accuracy.

Further setting: the mounting shell includes shell and cap, and the cap forms mounting portion far from one end of shell, The end face of the mounting portion is equipped with through gluing with the stickup stationary plane for being installed on vehicle predeterminated position that will pop one's head in, described to paste admittedly Face is determined equipped with several through slots.

Through the above scheme, this detection sensing device can be mounted on the predeterminated position of vehicle by pasting stationary plane, It is convenient to operate；The pliability of stickup stationary plane can be increased by the way that through slot is arranged on pasting stationary plane, to make the peace of probe Fill the installation being adapted under varying environment.

Compared with prior art, the embodiment of the utility model has the advantage that

It is handled 1. detecting the traffic information of vehicle blind zone by popping one's head in and feeding back to host, host is based on probe institute The traffic information and trigger signal detection circuit signal detected of feedback are so that warning driving circuit driving warns the report of part It is alert, so that driving personnel be reminded to pay attention to road conditions, security risk caused by vehicle blind zone can be reduced, it is ensured that traffic safety；

2. waveguide pipe, to reduce detection range, can reduce blind area foreign object with the detection angle and range of guide electromagnetic waves The interference of body, to achieve the purpose that enhance detection accuracy；

3. using integrated circuit technique, realizes that single-shot list receives antenna in sensor, reduce the size of electromagnetic wave probe； In addition the frequency of electromagnetic wave can penetrate bumper between 77-81GHz, after probe can be directly attached to bumper with adhesive plaster Side, simple installation；

4. electromagnetic radar and market use other sensors technology, as the blind area of imaging sensor, ultrasonic sensor is supervised Examining system is compared, and can be worked normally at night, and smaller, it can be achieved that all weather operations by adverse weather conditions.

The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will Become obvious and be readily appreciated that, in which:

Fig. 1 is the electrical schematic diagram of the utility model embodiment；

Fig. 2 is the structural schematic diagram of the probe of the utility model embodiment；

Fig. 3 is the structural schematic diagram of the alarm part of the utility model embodiment.

In figure, 1, support component；11, shell；111, support rod；12, cap；123, mounting portion；121, cover；122, solid Fixed rack；123, mounting portion；124, through slot；125, stickers；13, connector；131, connecting rod；132, limit hole；133, wedge Shape block；2, probe assembly；21, circuit board；22, electromagnetic sensor；23, waveguide pipe；24, rubber ring；3, alarm part；31, alert Report device shell；311, mounting groove；312, link block；313, limited block；314, alarm device goes out acoustic aperture；315, level setting switches； 32, flexible inserted sheet；321, it perforates；322, convex block；323, fixture block；4, host；5, back-up lamp；6, side-marker lamp；71, left-hand rotation lamp；72, Right-hand rotation lamp；81, left alarm device；82, right alarm device；92, right probe；10, power supply.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.

Referring to Fig. 1, the utility model relates to a kind of blind zone detection device, including host 4, it is electrically connected with the host 4 Two probe and two warning parts.

The host 4 include controller (not illustrating in figure) and probe driving circuit connected to the controller (in figure not Signal), warning part driving circuit (not illustrating in figure) and trigger signal detection circuit (not illustrating in figure), host 4 pass through warning Part driving circuit is connect with warning part, and by probe driving circuit connection between host 4 and probe, and host 4 passes through triggering The connection of the central control system of signal deteching circuit and vehicle.

The central control system of vehicle includes back-up lamp 5, side-marker lamp 6 and turn signal.Back-up lamp 5 is used in vehicle rollback Other people are warned, after vehicle reverse, back-up lamp 5 can be automatically turned on；Side-marker lamp 6 is to indicate the width of vehicle to prompt other vehicles ?；Turn signal includes left-hand rotation lamp 71 and right-hand rotation lamp 72, is respectively used to that fore-aft vehicle and pedestrian is reminded to pay attention to vehicle when the vehicle is turning Turn to, the opening and closing of left and right turn signal need driving personnel operate control.

The back-up lamp 5 of the detection trigger signal circuit and vehicle, side-marker lamp 6 and turn signal circuit connection, the triggering The information of signal deteching circuit detection includes the direction information that back-up lamp 5 opens and closes information and turn signal.

The function of the controller of the host 4 is realized by MCU, and the blind area detection device also connects with the power supply of vehicle 10 It connects.

Referring to fig. 2, the arranged on left and right sides blind area for popping one's head in corresponding vehicle mirrors is each provided with one, specially left spy First 91 and right probe 92, the probe include support component 1 and probe assembly 2, the support component 1 popped one's head in the present embodiment is wrapped It includes the shell 11 with opening and is covered on the cap 12 of opening, while being equipped with both connections between shell 11 and cap 12 Connector 13.

Cap 12 includes cover 121 and the fixation bracket 122 for realizing cap 12 and the connection of shell 11,121 He of cover Fixed bracket 122 is integrally formed, and shell 11 and cap 12 are all made of plastics and are made, and has certain elastic deformation ability.

The connector 13 includes side that cover 121 is connect with fixed bracket 122 being arranged in and towards separate cover 121 The connecting rod 131 that direction extends, connecting rod 131 are equipped with limit hole 132, and connector 13 further includes that 11 outer wall of shell is arranged in Wedge block 133 is inserted into limit hole 132 by wedge block 133, has the connection for realizing shell 11 and cap 12, and when wedge shape When block 133 is inserted into limit hole 132, cap 12 is closely connect with shell 11.

The probe assembly 2 includes the circuit board 21 being mounted in cap 12, and the circuit board 21 in the present embodiment uses PCB Plate, and the waveguide pipe of electromagnetic sensor 22 and the surrounding setting around electromagnetic sensor 22 is connected on circuit board 21 23, waveguide pipe 23 includes plastic body and the coat of metal for being covered in plastic body outer surface, and electromagnetic wave passes in the present embodiment Sensor is chip type millimeter wave sensor, and the wave frequency emitted is between 77-81GHz, and corresponding waveguide pipe institute Antenna is provided in the chip of the millimeter wave sensor of covering.

The spacing of the chip for limiting cover 121 and millimeter wave sensor is equipped between cap 12 and circuit board 21 Position limiting structure, position limiting structure are to be set to 121 inner wall of cover and (do not show in figure towards several support ribs that 21 direction of circuit board extends Meaning), support rib is arranged perpendicular to cover 121, and the one end of support rib far from cover 121 offsets with circuit board 21, then can pass through tune The length of whole support rib changes the chip of millimeter wave sensor and the spacing of cover 121.

Several support rods 111 for being used to support circuit board 21 are equipped in shell 11, in addition, shell 11 is located at circuit board 21 far Side injection glue from cover 121 is to play the role of sealing waterproof to the cavity between circuit board 21 and cap 12, simultaneously Glue enters the space between circuit board 21 and cap 12 in order to prevent, and the side of circuit board 21 is equipped with the rubber along its circumferentially extending Cushion rubber 24.

Cover 121 forms mounting portion 123 far from one end of shell 11, and the end face of mounting portion 123 is equipped with for passing through gluing Mode be installed on the stickup stationary plane of vehicle predetermined position for sensing device is detected, paste and be also pasted with stickup on stationary plane Part 125, the stickers 125 in the present embodiment are " returning " type 3M glue, and paste and offer several enhancings stickups on stationary plane and consolidate Determine the through slot 124 of the pliability in face.

Referring to Fig. 1 and Fig. 3, the probe that the warning part corresponds to vehicle arranged on left and right sides is respectively arranged with one, specially left Alarm device 81 and right alarm device 82, warning part include alarm device shell 31 and with alarm device shell 31 be clamped flexible inserted sheet 32, Alarm device shell 31 can be by gap that flexible inserted sheet 32 is installed between vehicle A column and instrument desk.

Display eyeglass (not illustrating in figure), left alarm device 81 and right alarm device 82 are installed on the alarm device shell 31 It is different to show eyeglass, while control circuit board (not illustrating in figure) being installed in alarm device shell 31, control circuit board electrical connection There are warning lamp (not illustrating in figure) and buzzer (not illustrating in figure), warning lamp passes through display eyeglass to show, while in police Alarm device is offered on report device shell 31 and goes out acoustic aperture 314, so that buzzer makes a sound from alarm device shell 31, outside alarm device It is additionally provided with the level setting switches 315 being electrically connected with control circuit board 21 on shell 31, passes through the combination of warning lamp and buzzer To realize the sound-light alarm of alarm device.

The side of the alarm device shell 31 back to display eyeglass is provided with one end and extends to 31 edge of alarm device shell Mounting groove 311 is provided with the link block 312 that several length directions along mounting groove 311 are arranged in mounting groove 311, all connects Block 312 is respectively positioned on same straight line and equidistant arrangement, while offering equal with 312 quantity of link block wear on flexible inserted sheet 32 Hole 321 is connected in perforation 321 by the insertion of link block 312 on alarm device shell 31 to realize flexible cutting and alarm device The clamping of shell 31, and by the way that the link block 312 of perforation 321 and different location is clamped the tune to realize flexible inserted sheet 32 It is whole.

The side of the flexibility inserted sheet 32 approach alarm device shell 31 be equipped with it is several be spaced with perforation 321 shift to install it is recessed Hole (is not illustrated) in figure, and shrinkage pool 321 is located along the same line with perforation, while flexible inserted sheet 32 is back to the one of alarm device shell 31 The position that side corresponds to shrinkage pool is outwardly formed convex block 322, and convex block 322 is also shifted to install with the interval of perforation 321, in addition, in shrinkage pool Side is equipped with the guide surface (not illustrating in figure) that the link block 312 that guiding is located in shrinkage pool enters in perforation 321.

The trough rim of 311 two sides of mounting groove is equipped with several limited blocks 313 extended towards 311 center of mounting groove, limit Block 313 is shifted to install with link block 312, and there are gaps between limited block 313 and the groove face of mounting groove 311, while being inserted in flexibility The two sides of piece 32 correspond to limited block 313 and are provided with fixture block 323, and fixture block 323 is shifted to install with perforation 321, and adjacent limited block 313 spacing is greater than the width of fixture block 323, and the spacing of adjacent fixture block 323 is greater than the width of limited block 313.

In addition, one end that flexible inserted sheet 32 is arranged distant from perforation 321 is set as zigzag, and the saw of flexible inserted sheet 32 The part that dentalation part is clamped with flexible inserted sheet 32 and alarm device shell 31 is arranged at angle.

In addition, being additionally provided with the key switch of setting buzzer warning in vehicle (referring to Fig. 1).

Specific work process: the utility model can perceive existing vehicle in the blind spot region of rear of vehicle, in driver It overtakes other vehicles and when lane change, if being possible to cause the vehicle of collision in monitoring region, system can pass through flashing warning light, audible alert Mode driving personnel is reminded, accomplish safe driving.

Firstly, millimeter wave sensor and waveguide pipe 23 are sequentially arranged to the predeterminated position of circuit board 21, it then will be electric Road plate 21 is placed in cap 12, and circuit board 21 is provided with the side of millimeter wave sensor and waveguide pipe 23 and the support of cap 12 Bone photo supports, with the distance between chip and the cover 121 for guaranteeing millimeter wave sensor, so that millimeter wave sensor reaches optimality Energy；Then rubber ring 24 is installed on the periphery of circuit board 21, then connect shell 11 with cap 12, the wedge block on shell 11 133 are inserted into the limit hole 132 of the connecting rod 131 of cap 12, and the support rod 111 in shell 11 resists rubber ring 24 and circuit Plate 21, finally in side injection glue of the shell 11 far from cap 12 to realize waterproof sealing, to complete the component of probe.

Assembled probe is pasted at it and pastes " returning " type 3M glue on stationary plane, and is pasted probe by " returning " type 3M glue On the bumper of vehicle, " returning " type 3M glue can be effectively prevented muddy water and enter and attach in cover 121 in structure is enclosed On, the influence to avoid muddy water to the detection performance of electromagnetic sensor 22；In addition, cover 121 pastes what stationary plane was arranged The pliability for pasting stationary plane can be enhanced in through slot 124, so that blind area detection sensing device is adapted to different vehicle bumper The installation of cambered surface.

It is wired connection between the sensor and host 4 of probe, signal transmission can be achieved between probe and host 4, simultaneously Host 4 can be also probe power supply.

Then, at gap warning part being mounted between vehicle A column and instrument board, first by the shrinkage pool set of flexible inserted sheet 32 On the link block 312 in mounting groove 311, then, installation personnel is moved forward and backward flexible by the length direction along mounting groove 311 Inserted sheet 32, the link block 312 in shrinkage pool are entered under the guiding role of guide surface in the perforation 321 of flexible inserted sheet 32, To realize the clamping of alarm device shell 31 and flexible inserted sheet 32.

Since the gap structure between the A column and instrument desk of different automobile types is different, and link block 312 is along mounting groove 311 Length direction setting, therefore the link block 312 of different location and flexible inserted sheet 32 on selection alarm device shell 31 can be passed through and blocked It connects, to adjust the length that flexible inserted sheet 32 is located at 311 outer portion of mounting groove, the gap of different automobile types can be suitable for.

At 322 sets of convex block of flexible inserted sheet 32 while link block 312, the fixture block 323 on flexible inserted sheet 32 passes through phase Gap between adjacent limited block 313, when mobile flexible inserted sheet 32 makes link block 312 be inserted into perforation 321, fixture block 323 is inserted Enter into the gap between limited block 313 and mounting groove 311, to realize flexible inserted sheet 32 in the slot perpendicular to mounting groove 311 Limit on the direction of face, and then improve the stability of flexible inserted sheet 32.

Warning is wired connection between part and host 4, and host 4 is warning part power supply.

After host 4, probe and warning part are integrated with above structure, the integrated system of the utility model can realize signal Interaction, the traffic information popped one's head in for detecting vehicle blind zone, and the data-signal comprising traffic information is fed back into host 4, together When the host 4 trigger signal detection circuit that connects can back-up lamp 5 to vehicle, side-marker lamp 6 and turn signal opening and closing to detect, it is main The signal that data-signal and trigger signal detection circuit of the machine 4 based on probe feedback detect is so that warning part driving electricity Road driving warning part sounds an alarm, and warning part is connect with host 4 can receive the driving signal from host 4 to sound an alarm prompting Driving personnel.

When a vehicle is started, the utility model can carry out automatic checking function, under normal mode of operation system from Steps are as follows for inspection:

(1) host 4 connects electricity, the starting of blind area detection system, and probe sensor carries out self-test；

(2) when all probe sensors are working properly, the buzzer of left and right alarm device pipes, and left and right alarm The warning light of device flashes once；

(3) when the sensor fault of left probe 91, right probe 92 is normal, and three sound of buzzer call of left alarm device 81 is left The warning light of alarm device 81 is bright 3 seconds long, one sound of buzzer call of right alarm device 82, and warning light flashing is primary, after the completion of self-test, Blind area detection system can not work；

(4) when the sensor fault of right probe 92, left probe 91 is normal, and three sound of buzzer call of right alarm device 82 is right The warning light of alarm device 82 is always on 3 seconds, one sound of buzzer call of left alarm device 81, and warning light flashing is primary, after the completion of self-test, Blind area detection system can not work；

(5) when the sensor of left and right probe breaks down, the buzzer of left and right alarm device pipes three sound, alarm Lamp is grown bright 3 seconds, after the completion of self-test, and blind area detection system can not work.

If the warning light and buzzer of alarm device are without any reaction, it can be seen that blind area detection device is in abnormal work The damage of mode, i.e. probe sensor or sensor are disconnected with host 4.

After the completion of detection system self-test, if blind area detection system works normally, vehicle can be detected by trigger signal and be filled It sets with check frequency.

When vehicle rollback, back-up lamp lamp is opened, and trigger signal detection device, which will test to obtain, retreats the information that lamp is opened It is transferred in host 4, blind zone detection device is closed at this time, no alarm sounds.

When the vehicle is moving in a forward direction, since probe is using electromagnetic sensor 22, using electromagnetic sensor 22 into Row detection, wave frequency allow detection signal to pass through plastic shell, and detection range between 77-81GHz range It is 5 meters, therefore the step of normal work of blind zone detection device is as follows:

(1) when automobile in motion, arranged on left and right sides probe electromagnetic sensor 22 vehicle has been detected in search coverage It is close, and relative velocity > 0km/h and the < 40km/h between two vehicles, the warning lamp of corresponding arranged on left and right sides can be always on, mention Awake driver pays attention to；

(2) there is vehicle process on the blind spot warning region left side of vehicle, left side warning lamp will be always on lamp, remind driving personnel Pay attention to；If driving personnel stirs left-hand rotation lamp 71 and is intended to lane change to the left at this time, the buzzer of left alarm 71 can issue " Bi-Bi- The continuous three sound prompting sound of Bi ", while the warning lamp flashing of left alarm device 81, remind driver's lane change at this time to there is safety hidden Suffer from；

(3) similarly, there is vehicle process on the right of the blind spot warning region of vehicle, right side warning lamp will be always on lamp, remind row Vehicle personnel pay attention to；If driving personnel stirs right-hand rotation lamp 72 and is intended to lane change to the right at this time, the buzzer of right alarm 72 can be issued The continuous three sound prompting sound of " Bi-Bi-Bi ", while the warning lamp flashing of right alarm device 82, remind driver's lane change at this time to exist Security risk.

In addition, if judge to have vehicle in blind area, warning lamp is in and is always on shape when driving personnel is not switched on turn signal State；When driving personnel opens turn signal, if judging to there is vehicle to travel in the interval range of relative velocity in blind area, buzzer report Alert and warning lamp flashing, preferably to warn driving personnel.

The alarm settings of buzzer can be switched over by the way that key switch in the car is arranged, when short-press key switch, One sound of buzzer call is to prompt current setting state, then switches setting state when short-press key switch in order, when switching Reresent current setting.

And the alarm of buzzer can be also opened and closed by key switch, buzzer closes the shape that switch setting is saved when power-off State.

Probe adopts integrated circuit technique, realizes that single-shot list receives antenna in the chip of millimeter wave sensor, to reduce The size of electromagnetic wave probe, while the frequency of electromagnetic wave can penetrate bumper between 77-81GHz, then can be used adhesive tape direct It fits on the bumper of rear of vehicle, simple installation；Other sensing technologies that electromagnetic wave is popped one's head in and used on the market, such as image Sensor, ultrasonic sensor blind area monitoring system compare, can be worked normally at night, and by adverse weather conditions compared with It is small, it can be achieved that all weather operations.

The above is only some embodiments of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of blind zone detection device, it is characterized in that: including probe, host and warning part；

The probe, for being mounted at vehicle rear bumper, using the traffic information of electromagnetic wave detection vehicle doubling blind area, and Data-signal comprising the traffic information is fed back into host；

The host, including controller and probe driving circuit connected to the controller, warning part driving circuit and triggering respectively Signal deteching circuit, the warning part are connect with warning part driving circuit, and the host and probe are connected by probe driving circuit It connects, for receiving the data-signal from probe feedback, and the data-signal based on probe feedback and trigger signal inspection The signal that slowdown monitoring circuit detects is to drive warning part to sound an alarm；

The warning part, in the gap for being mounted between vehicle A column and instrument board, the driving signal of receiving host and sending Alarm.

2. blind zone detection device according to claim 1, it is characterized in that: the electricity of the trigger signal detection circuit and vehicle Source, back-up lamp, side-marker lamp and turn signal circuit connection.

3. blind zone detection device according to claim 1, it is characterized in that: the left and right rearview mirror of the corresponding vehicle of popping one's head in Blind area be respectively provided with one, there are two the corresponding probe settings of the warning part.

4. blind zone detection device according to claim 3, it is characterized in that: the warning part includes warning lamp and buzzing Device.

5. blind zone detection device according to claim 4, it is characterized in that: the warning part further includes for encapsulating warning lamp Flexible inserted sheet with the alarm device shell of buzzer and with the clamping of alarm device shell, the alarm device shell pass through flexible inserted sheet It is installed in the gap of vehicle.

6. blind zone detection device according to claim 5 extends to police it is characterized in that: offering on the alarm device shell The mounting groove of device shell edge is reported, the link block that several length directions along mounting groove extend is equipped in the mounting groove, it is described Flexible inserted sheet is installed in mounting groove and is clamped with link block.

7. blind zone detection device according to claim 6, it is characterized in that: the flexibility inserted sheet is separate with alarm device shell card The one end connect is serrated setting.

8. blind zone detection device according to claim 1, it is characterized in that: the probe is including mounting shell and is contained in peace The circuit board in shell is filled, the circuit board is equipped with electromagnetic sensor, the electromagnetism wave frequency that the electromagnetic sensor is emitted Rate is between 77-81GHz.

9. blind zone detection device according to claim 8 passes it is characterized in that: being connected on the circuit board around electromagnetic wave The waveguide pipe of sensor setting.

10. blind zone detection device according to claim 8, it is characterized in that: the mounting shell includes shell and cap, it is described Cap forms mounting portion far from one end of shell, and the end face of the mounting portion is equipped with that be installed on vehicle pre- by gluing will pop one's head in If the stickup stationary plane of position, the stickup stationary plane is equipped with several through slots.