CN208515486U - Rearview mirror - Google Patents

Abstract

The utility model provides a kind of rearview mirror, belongs to vehicle arrangement field.The rearview mirror includes body of backsight mirror and driving mirror bracket；The body of backsight mirror is built-in with ETC module and tamper detection circuit；The driving mirror bracket includes hollow connecting rod and the pedestal that is connected to the hollow connecting rod；The body of backsight mirror is connect by the hollow connecting rod with the pedestal；Touching switch circuit and guard member are provided on the pedestal; the guard member covers the rest part in addition to switch contact of the touching switch circuit; the pedestal is fixed on the windshield by egative film, and the switch contact is abutted with side adjacent with the windshield on the egative film；The touching switch circuit is electrically connected with the tamper detection circuit by being arranged in the conducting wire inside the hollow connecting rod, and the tamper detection circuit is used to detect the state of the switch contact.The rearview mirror has the strict anti-tamper system cracked, effective to improve tamper.

Description

Rearview mirror

Technical field

The utility model relates to vehicle arrangement technical fields, in particular to a kind of rearview mirror.

Background technique

For current convenience, more and more car owners are mounted with that ETC module, ETC module are usually to be pasted onto copilot On the windshield of inclined steering wheel side.Also have directly module card on rearview mirror.ETC module is removed into use in order to prevent It is used to fee evasion etc. such as the small use of cart in other vehicles, part ETC module has tamper function.

Existing rearview mirror ETC module tamper technology proposes the purpose that tamper can be realized with a touching switch.But It is that existing technology does not design the position of touching switch reasonably, makes ETC module still be easy to be removed and crack, quilt It can be also used for other vehicles after cracking, do not realize due tamper effect.

Utility model content

In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of rearview mirror.

To achieve the goals above, technical solution provided by the utility model embodiment is as follows:

The utility model embodiment provides a kind of rearview mirror, and the rearview mirror includes body of backsight mirror and driving mirror bracket； The body of backsight mirror is built-in with ETC module and tamper detection circuit；The driving mirror bracket include hollow connecting rod and with institute State the pedestal of hollow connecting rod connection；The body of backsight mirror is connect by the hollow connecting rod with the pedestal；The bottom Be provided with touching switch circuit and guard member on seat, the guard member cover the touching switch circuit in addition to switch contact Rest part, the pedestal is fixed on the windshield by egative film, and the switch contact on the egative film with it is described The adjacent side of windshield abuts；The touching switch circuit and the tamper detection circuit are by being arranged in the hollow company Conducting wire electrical connection inside extension bar, the tamper detection circuit are used to detect the state of the switch contact, and according to the shape State controls the working condition of the ETC module.

The driving mirror bracket is mounted on the egative film, and the switch contact is extruded into.The touching switch The conducting wire of circuit and connection the touching switch circuit and the tamper detection circuit is clipped in the glass that keeps out the wind by strict Between glass, the egative film and the driving mirror bracket, alien material can not be touched.So to the touching switch circuit and The conducting wire forms strict protection system, it is ensured that the absolute tightness of Anti-dismantling system.

Further, resistance is in series on the circuit of the touching switch circuit, the tamper detection circuit is for passing through The voltage for detecting the resistance determines the state of the switch contact.

The voltage of the resistance can determine the state of the switch contact, so the touching switch circuit can be institute The condition conversion for stating switch contact is electric signal transmission to the tamper detection circuit, to control the work of the ETC module State, the effective purpose for realizing tamper.

In the utility model embodiment, the hardware with the touching switch circuit in parallel is additionally provided on the pedestal With circuit, the tamper detection circuit is electrically connected the Hardware match circuit by the conducting wire, and the tamper detection circuit is used The working condition of the ETC module is controlled in the signal by detecting the Hardware match circuit.

Further, the Hardware match circuit includes at least one device, the shape when signal of the device is affected State changes, and the tamper detection circuit is used to control the working condition of the ETC module according to the state of the signal.

The Hardware match circuit is equivalent to the tamper electricity for being able to achieve tamper function same with the touching switch circuit Road also can control the working condition of the ETC module, therefore by the Hardware match circuit, increases to resist and tears ability open.

In the utility model embodiment, what the guard member was contacted with the egative film is inclined on one side.

It is described that the one side inclination that the guard member is contacted with the egative film can prevent someone from protruding into from the pedestal top Egative film pins switch.

In the utility model embodiment, the body of backsight mirror includes front housing, rear shell and processing chip, in the rear shell The camera lens connecting with the processing chip is installed, the processing chip is used to receive the image that the camera lens obtains, and controls Described image is shown in the display device connecting with the processing chip.

Further, display screen is inlaid on the front housing, the display screen is connect with the processing chip, the processing Chip controls described image is shown on the display screen.

The camera lens can recorde the state of the vehicle driving, and the rearview mirror is made to have the function of automobile data recorder.

Further, the body of backsight mirror further includes light guide plate and chip carrier, and the processing chip is set to the core On horse, the light guide plate is additionally provided with LED light on the processing chip between the chip carrier and the display screen, The light of the LED light transmitting is perforated through the light guide plate, and the preset mark on the light guide plate is shown on the display screen.

By the cooperation of the chip carrier and the light guide plate, preset mark can be shown on the display screen, section Cost-saving.

Further, loudspeaker are provided on the processing chip, the loudspeaker are for exporting prompt information.

By the way that loudspeaker are arranged, when carrying out relevant operation, the loudspeaker can prompt relevant information.

Further, key is provided on the front housing, the key is connect with the processing chip, the processing chip For controlling the output volume of the loudspeaker by key reception button operation and according to the button operation.

By setting button, the key can control the volume of the loudspeaker, make horn volume can be according to specific environment It adjusts.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, the utility model reality is cited below particularly Example is applied, and cooperates appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the cross-sectional view of rearview mirror provided by the embodiment of the utility model；

Fig. 2 is rearview mirror explosive view provided by the embodiment of the utility model；

Fig. 3 is first embodiment first angle schematic diagram in rearview mirror part provided by the embodiment of the utility model；

Fig. 4 is first embodiment second angle schematic diagram in rearview mirror part provided by the embodiment of the utility model；

Fig. 5 is rearview mirror part second embodiment schematic diagram provided by the embodiment of the utility model；

Fig. 6 is rearview mirror local circuit structural schematic diagram provided by the embodiment of the utility model；

Fig. 7 is tamper detection circuit work flow diagram provided by the embodiment of the utility model；

Fig. 8 is rear-view mirror system part of module figure provided by the embodiment of the utility model.

Icon: 10- rearview mirror；11- body of backsight mirror；110- front housing；1101- keypad；112- rear shell；1120- first Rubber column；The second silicagel column of 1122-；113-ETC module；114- display screen；115- chip carrier；116- handles chip；117- is led Tabula rasa；118- loudspeaker；12- driving mirror bracket；The hollow connecting rod of 120-；122- pedestal；1221- touching switch circuit；1222- PCB lid；1223- touching switch；The first screw of 1224-；1226- block；The second screw of 1227-；20- egative film；30- keeps out the wind glass Glass；40- conducting wire；50- camera lens；51- lens bracket；300- touching switch circuit；400- Hardware match circuit.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different It sets to arrange and design.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to The range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or Imply relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection.It can be mechanical connection, be also possible to be electrically connected.It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.

With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under The feature in embodiment and embodiment stated can be combined with each other.

Referring to Fig.1 and 2, the rearview mirror 10 includes body of backsight mirror 11 and driving mirror bracket 12；The rearview mirror ETC module 113 and tamper detection circuit are provided in ontology 11；The driving mirror bracket 12 include hollow connecting rod 120 and with The pedestal 122 that the hollow connecting rod 120 is connected to；The body of backsight mirror 11 passes through the hollow connecting rod 120 and the bottom Seat 122 connects；Touching switch circuit 1221 and guard member are provided on the pedestal 122, the guard member 1222 covers described The rest part in addition to switch contact of touching switch circuit 1221, the pedestal 122 are fixed on the glass that keeps out the wind by egative film 20 On glass 30, and the switch contact is abutted with side adjacent with the windshield 30 on the egative film 20；The touching is opened Powered-down road 1221 is electrically connected by wearing with the conducting wire 40 inside the hollow connecting rod 120 with the tamper detection circuit, institute Tamper detection circuit is stated for detecting the state of the switch contact, and controls the control shape of ETC module 113 according to the state State.

Optionally, what the guard member was contacted with the egative film 20 is inclined on one side.

Optionally, the conducting wire 40 can be set to plain conductor unit, or what multiple lead units integrated, Wire-protecting set can be set, increase the service life of conducting wire 40.

Optionally, referring to figure 3. and Fig. 4, the guard member can be PCB lid 1222, open up accommodating in the pedestal 122 The square hole 1225 of the touching switch circuit 1221, the touching switch circuit 1221 is placed in the square hole 1225, described PCB lid 1222 is fixed by the first screw 1224 and the pedestal 122, to cover the touching switch circuit 1221 except touching Part other than 1223 contact of switch；The egative film 20 side adjacent with the windshield 30 is abutted with the contact, and What the PCB lid 1222 was contacted with the side is obliquely installed on one side.The egative film 20 can first be fixed on the windshield On, then the pedestal 122 is bonded with the egative film 20, then pass through the position of the screw fixed pedestal 122 and the egative film 20 It sets.

Optionally, referring to figure 5., the guard member can be block 1226, and the accommodating touching is opened up in the pedestal 122 The space of switching circuit 1221 is touched, and the accommodating space is being provided with baffle with what the egative film 20 contacted on one side.The touching It touches switching circuit 1221 to be placed in the accommodating space, the part a part of the touching switch 1223 in addition to contact is by institute Baffle covering is stated, another part is covered by the block 1226；The egative film 20 side adjacent with the windshield and institute Contact abutting is stated, and the block 1226 is contacted with the side, the one side inclination that the block 1226 is contacted with the side Setting, the block 1226 can be fixed by screws on the egative film 20 or on the pedestal 122.The egative film 20 can To be first fixed on the windshield, then the pedestal 122 is bonded with the egative film 20, then passes through the fixed bottom of screw The position of seat 122 and the egative film 20.

Optionally, the egative film 20 can be glass negative or rubber sole sheet, and the driving mirror bracket 12 can be gold Belong to bracket or alloy bracket.

The driving mirror bracket 12 is mounted on the egative film 20, and the touching switch circuit 1221 is extruded into. The touching switch circuit 1221 and the conducting wire 40 are clipped in the windshield 30, egative film 20 and driving mirror bracket by strict Between 12 threes, strict protection system is formd；And the guard member contacted with the egative film 20 be on one side it is inclined, prevent Someone is stopped and has protruded into the contact for pinning the touching switch 1223 with hand, it is ensured that the tightness of Anti-dismantling system.

Optionally, Fig. 6 is please referred to, resistance R is in series on the touching switch circuit 300, the tamper detection circuit is used The state of the switch contact is determined in the voltage by detecting the resistance R.

For the resistance R because connecting with the touching switch 1223, the voltage of the resistance R can be because of the switch The state of contact and change.When the switch contact is on state, that detect in the tamper detection circuit is resistance R Normal voltage value；When the switch contact be off-state when, the touching switch circuit 300 it is possible that open circuit or Short-circuit condition, the voltage value of the resistance R may reduce or become 0, and the tamper detection circuit detects the exception of resistance R Voltage value no longer works to control the failure of ETC module 113.

Optionally, the Hardware match circuit in parallel with the touching switch circuit 300 is additionally provided on the pedestal 122 400, the tamper detection circuit connects the Hardware match circuit 400 by the conducting wire 40, and the tamper detection circuit is used The working condition of the ETC module 113 is controlled in the signal by detecting the Hardware match circuit 400.

Optionally, the Hardware match circuit 400 includes at least one device C, the induction of signal of the device C to dismounting State changes when movement, and the tamper detection circuit is used to control the work of the ETC module 113 according to the state of the signal State.

Optionally, the device C can be resistance, is also possible to encrypt IC, is also possible to other devices.The device C When sensing external removal action, the signal that the device C is sent can change, and the signal form of transmission can be device ginseng Numerical value is also possible to the digital coding of the device C.When the tamper detection circuit can't detect the parameter value of the device C Or digital coding；Or the parameter value exception or digital coding of the device C changes, then the tamper detection circuit control The failure of ETC module 113 no longer works.

Fig. 7 is please referred to, is the workflow of tamper detection circuit.Optionally, the course of work includes: step 500: on Electric self-test.The content of self-test can be the signal for detecting that the touching switch circuit 300 and the Hardware match circuit 400 generate Parameter and digital coding；It is described to prevent opening and inspecting when activating the ETC module 113 with the activation permission card of the ETC module 113 Slowdown monitoring circuit can using the parameter value of the device C detected or digital coding as the initial parameter value of the device C or Initial parameter coding；Step 501: touching switch 1223 detects.It detects that touching switch 1223 is closed, executes step 502；Detection It is disconnected to touching switch, executes step 503.Step 502: Hardware match.It is matched with the device C in Hardware match circuit 400, if The value being fitted on is identical as the initial parameter value of the device C or initial number coding initial value, executes step 504；If matching The value arrived and, execution step 503 not identical as the parameter value or initial number of the device C coding.Step 503: control ETC mould Block 113 fails, and does not work.Step 504: control ETC module 113 works normally.

On the one hand, the voltage of the resistance R can determine the state of the switch contact, so the touching switch circuit 300 can be electric signal transmission the condition conversion of the switch contact to the tamper detection circuit, to control the ETC The working condition of module 113, the effective purpose for realizing tamper.On the other hand, it is real to be equivalent to energy for the Hardware match circuit 400 The reinforcement decomposing prevention circuit that 300 same tamper functions are now returned with the touching switch, also can control the work of the ETC module 113 Make state, the touching switch circuit 300 is cooperated by the Hardware match circuit 400, increases to resist and tear ability open.

Optionally, referring once again to Fig. 2, the body of backsight mirror 11 includes front housing 110, rear shell 112 and processing chip 116, the camera lens 50 connect with the processing chip 112 is installed, the processing chip 116 is used to receive in the rear shell 112 The image that the camera lens 50 obtains, and control described image and be shown in the display device being connect with the processing chip 116.

Optionally, the ETC module 113 can be placed in the rear shell 112, the front housing 110 and the rear shell 112 It can be by the way that the first rubber column 1120 of internal first end and the second silicagel column 1122 that internal second end is arranged in be arranged in It is fixed integrally the body of backsight mirror 11, spiral shell can also be respectively set outside the front housing 110 and the rear shell 112 Nail, further fastens the position of the front housing 110 and the rear shell 112.

Optionally, the display device can be the Vehicular display device in car room, or rearview mirror 10 is included to be shown Display screen.The camera lens 50 can be mounted in the rear shell 112 by lens bracket 51.

Optionally, display screen 114 is inlaid on the front housing 110, the display screen 114 connects with the processing chip 116 It connects, the processing chip 116 controls described image and is shown on the display screen 114.

Optionally, the display screen 114 can be anti-glare glass, and anti-glare glass can prevent the eyes of driver from existing It is affected when driving；The display screen 114 or tangible display screen.

The camera lens 50 can make the rearview mirror 10 have row by the state of vehicle driving described in acquisition image recording The function of vehicle recorder.

Optionally, the body of backsight mirror 11 further includes light guide plate 117 and chip carrier 115, and the processing chip 116 is arranged In on the chip carrier 115, the light guide plate 117 is between the chip carrier 115 and the display screen 114, the processing LED light is additionally provided on chip 116, the light of the LED light transmitting is perforated through the light guide plate 117, will be on the light guide plate 117 Preset mark be shown on the display screen 114.

Optionally, the preset mark can mark specific design according to function prompt to display on display screen 114.

By the cooperation of the chip carrier 115 and the light guide plate 117, character can be shown with simple mode Out, it does not need individually to design corresponding icon on display screen 114 in other ways again, saves cost, while institute can also be made Stating display screen 114 has the function of touch screen, and touching respective icon may be implemented corresponding function.

Optionally, loudspeaker 118 are provided on the processing chip 116, the loudspeaker 118 are for exporting prompt information.

Optionally, the loudspeaker 118 can prompt whether stored value card is plugged；Or button is generated when vehicle passes through charge station It is time-consuming, prompt the cost information deducted and balance information.

Optionally, key is provided on the front housing 110, the key is connect with the processing chip 116, the processing Chip 116 is used to receive button operation by the key and controls the output sound of the loudspeaker 118 according to the button operation Amount.

Optionally, the key can be keypad 1101, open up on the front housing 110 accommodating keypad 1101 slot or Hole, the keypad 1101 are stuck in the slot or hole, and are connect with the processing chip 116, and the processing chip 116 incudes The operation of the keypad 1101 controls the output volume of the loudspeaker 118.

The volume that the loudspeaker 118 are controlled by setting button keeps the volume of the loudspeaker 118 adjustable, Ke Yigen According to needing to change volume.

Optionally, please refer to Fig. 8, the processing chip 116 controls the display screen 114, the loudspeaker 118, key and LED；The tamper detection circuit also can be set on the processing chip 116 or be individual circuit module and the place Chip 116 is managed to connect.The processing chip 116 can be the integrated circuit board including multiple devices and circuit, be also possible to micro- The microchip of electronic component integration.The processing chip 116 can also be connect with vehicle-mounted central control system.

The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of rearview mirror, which is characterized in that the rearview mirror includes body of backsight mirror and driving mirror bracket；The rearview mirror sheet It is equipped with ETC module and tamper detection circuit in vivo；The driving mirror bracket include hollow connecting rod and with the hollow connecting rod The pedestal of connection；The body of backsight mirror is connect by the hollow connecting rod with the pedestal；Touching is provided on the pedestal Switching circuit and guard member are touched, the guard member covers the rest part in addition to switch contact of the touching switch circuit, The pedestal is fixed on the windshield by egative film, and the switch contact is adjacent with the windshield on the egative film Side abut；The touching switch circuit is with the tamper detection circuit by being arranged in leading inside the hollow connecting rod Line electrical connection, the tamper detection circuit is used to detect the state of the switch contact, and controls the ETC according to the state The working condition of module.

2. rearview mirror according to claim 1, which is characterized in that be in series with electricity on the circuit of the touching switch circuit Resistance, the tamper detection circuit are used to determine the state of the switch contact by the voltage for detecting the resistance.

3. rearview mirror according to claim 1, which is characterized in that be additionally provided on the pedestal and the touching switch electricity The Hardware match circuit of road parallel connection, the tamper detection circuit is electrically connected the Hardware match circuit by the conducting wire, described Tamper detection circuit is also used to control the working condition of the ETC module by the signal for detecting the Hardware match circuit.

4. rearview mirror according to claim 3, which is characterized in that the Hardware match circuit includes at least one device, State changes when the induction of signal of the device is to removal action, and the tamper detection circuit is used for the state according to the signal Control the working condition of the ETC module.

5. rearview mirror according to claim 1, which is characterized in that the guard member was contacted with the egative film inclines on one side Oblique.

6. rearview mirror according to claim 1, which is characterized in that the body of backsight mirror includes front housing, rear shell and processing Chip, camera lens connect with the processing chip is equipped in the rear shell, and the processing chip is used to receive the camera lens and obtain The image taken, and control described image and be shown in the display device being connect with the processing chip.

7. rearview mirror according to claim 6, which is characterized in that be inlaid with display screen, the display screen on the front housing It is connect with the processing chip, the processing chip controls described image is shown on the display screen.

8. rearview mirror according to claim 7, which is characterized in that the body of backsight mirror further includes light guide plate and chip Frame, the processing chip are set on the chip carrier, and the light guide plate is between the chip carrier and the display screen, institute It states and is additionally provided with LED light on processing chip, the light of the LED light transmitting is perforated through the light guide plate, will be on the light guide plate Preset mark is shown on the display screen.

9. rearview mirror according to claim 8, which is characterized in that be provided with loudspeaker, the loudspeaker on the processing chip For exporting prompt information.

10. rearview mirror according to claim 9, which is characterized in that be provided with key, the key and institute on the front housing Processing chip connection is stated, the processing chip is used to receive button operation by the key and control according to the button operation The output volume of the loudspeaker.