CN215552842U - ADAS reports to police and turns to lamp and detects compatible circuit - Google Patents
ADAS reports to police and turns to lamp and detects compatible circuit Download PDFInfo
- Publication number
- CN215552842U CN215552842U CN202121864711.5U CN202121864711U CN215552842U CN 215552842 U CN215552842 U CN 215552842U CN 202121864711 U CN202121864711 U CN 202121864711U CN 215552842 U CN215552842 U CN 215552842U
- Authority
- CN
- China
- Prior art keywords
- module
- host
- level
- adas
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 title claims abstract 11
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 title claims abstract 11
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 title claims abstract 11
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model provides an ADAS alarm and steering lamp detection compatible circuit, which comprises a blocking module, a protection module, a level filtering module and a switching module, wherein the switching module is respectively connected with a camera, a steering lamp and a warning lamp; the level filtering module is used for filtering the received warning lamp control signal and the steering lamp signal transmitted by the switching module and outputting the steering lamp signal to the host; and the protection module is arranged between the output end of the blocking module and the switching module and used for preventing the turn signal output by the switching module from entering the host through the protection module. The utility model discloses ingenious wonderful level, the frequency of utilizing indicator light input signal and warning light control output signal are different, realize input detection and output control with a line in the switching module for the threading is convenient during the installation, reduces and installs the cost additional.
Description
Technical Field
The utility model relates to the technical field of circuits, in particular to an ADAS alarm and steering lamp detection compatible circuit.
Background
Nowadays, safety and comfort configurations are increasingly installed on automobiles, including a 360-degree all-around system and an ADAS (advanced driver assistance system), wherein the 360-degree all-around system normally works in the background, and when a driver turns left and right turn lights, backs a car or triggers a key, a navigation screen is switched to left and right, back a car and panoramic view angle pictures, so that the driver can see the surrounding environment of the car clearly; like BSD (blind area monitoring system), when a vehicle enters into the left and right blind areas in the ADAS system, the warning lamps on the left and right rearview mirrors are on, and when the vehicle turns on the steering lamp to prepare for steering, the warning lamps flicker to remind a driver, so that the driving safety is improved.
In the prior market, a four-core mare is used for connecting a wire of a look-around camera, a power supply of the camera, the ground, a video signal and a steering lamp are respectively used for detecting the wire, and if a BSD alarm lamp is required to be added, two methods are adopted, wherein one method is to customize a five-core mare wire, and the other method is to connect a wire of the alarm lamp; the method I needs the customized die sinking cost, is incompatible with an industrial chain and increases the inventory pressure; the second method increases the cost of the wire, affects the appearance and increases the difficulty of threading during installation. Therefore, a circuit which is convenient for threading, low in cost and high in reliability and can realize the lighting/flashing of the camera and the alarm lamp by adopting a four-core wire is required to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ADAS alarm and steering lamp detection compatible circuit.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a ADAS reports to police and turns to lamp and detects compatible circuit, includes blocking straight module, protection module, level filter module and switching module, switching module is connected with camera, indicator and warning light respectively, wherein: the blocking module is used for blocking a warning lamp control signal sent by the host and then transmitting the blocking signal to the level filtering module and the switching module so as to drive the warning lamp connected with the switching module; the level filtering module is used for filtering the received warning light control signal and the steering light signal transmitted by the switching module and outputting the steering light signal to the host; the protection module is arranged between the output end of the blocking module and the switching module and used for preventing the turn signal output by the switching module from entering the host through the protection module.
Furthermore, the blocking module comprises a first capacitor, one end of the first capacitor is connected with the host, and the other end of the first capacitor is connected to the input end of the protection module.
Furthermore, the protection module comprises a diode, the anode of the diode is connected with the output end of the blocking module, and the cathode of the diode is connected with the input ends of the switching module and the level filtering module.
Furthermore, the level filtering module comprises a voltage stabilizing diode, the anode of the voltage stabilizing diode is connected to the host, and the cathode of the voltage stabilizing diode is connected to the switching module.
The low-pass filtering module is arranged between the voltage stabilizing diode and the host and used for transmitting the steering lamp signal to the host after low-pass filtering.
The level conversion module is arranged between the low-pass filtering module and the host and is used for transmitting the steering lamp signal after low-pass filtering to the host after reversing and level conversion.
Furthermore, the low-pass filtering module comprises a first resistor, a second resistor and a second capacitor, one end of the first resistor and one end of the second capacitor are connected with the output end of the level filtering module, the other end of the first resistor is connected with one end of the second resistor and the input end of the level conversion module, and the other end of the second capacitor and the other end of the second resistor are grounded.
Further, the level conversion module includes an NPN type triode, a base of the NPN type triode is connected to the output end of the low-pass filtering module, a collector of the NPN type triode is connected to the host, and an emitter of the NPN type triode is grounded.
Furthermore, the device also comprises a third resistor, one end of the third resistor is connected with the collector of the NPN type triode, and the other end of the third resistor is connected with a direct current power supply.
By adopting the scheme, the utility model has the beneficial effects that: the level of ingenious utilization indicator input signal and warning light control output signal, the frequency is different, it prevents that the indicator signal direct input of high level signal from the host computer to set up protection module, set up level filtering module and filter warning light signal and indicator signal, make indicator signal can pass through level filtering module and input the host computer in, realize input detection and output control with a line in the switching module, make the threading convenient during the installation, walk the line succinct, reduce and install the cost additional.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of an embodiment of the present invention.
Wherein the figures identify the description:
1. a blocking module; 2. a protection module; 3. a level filtering module; 4. a switching module; 5. a camera; 6. a turn signal light; 7. a warning light; 8. a host; 9. a level conversion module; 10. and a low-pass filtering module.
Detailed Description
Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the term "connected" means that the related elements are electrically connected according to their inherent characteristics and logic relationship of the scheme for the technical purpose of the present invention, and may be directly connected or indirectly connected through an intermediate medium. The specific meanings of the terms in the present specification in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, an ADAS alarm and turn signal lamp detection compatible circuit includes a blocking module 1, a protection module 2, a level filtering module 3 and a switching module 4, wherein the switching module 4 is respectively connected with a camera 5, a turn signal lamp 6 and a warning light 7. Wherein, the control module is a four-core BMW patch cord.
Wherein: the blocking module 1 is used for blocking the warning lamp control signal sent by the host 8 and then transmitting the signal to the level filtering module 3 and the switching module 4 so as to drive the warning lamp 7 connected with the switching module 4; the level filtering module 3 is used for filtering the received control signal of the warning lamp 7 and the signal of the steering lamp 6 transmitted by the switching module 4 and outputting the signal of the steering lamp 6 to the host 8; and the protection module 2 is arranged between the output end of the blocking module 1 and the switching module 4 and used for preventing the signal of the turn lamp 6 output by the switching module 4 from entering the host 8 through the protection module 2.
As shown in fig. 2 to fig. 3, the dc blocking module 1 includes a first capacitor C1, one end of the first capacitor C1 is connected to the host 8, and the other end is connected to the input end of the protection module 2. The dc blocking effect is achieved by the capacitor C1.
The protection module 2 comprises a diode D1, the anode of the diode D1 is connected to the output end of the blocking module 1, and the cathode of the diode D1 is connected to the input ends of the switching module 4 and the level filtering module 3. The diode D1 functions to isolate the high level turn signal.
The level filtering module 3 comprises a zener diode Z1, wherein the anode of the zener diode Z1 is connected to the host 8, and the cathode thereof is connected to the switching module 4. The voltage stabilizing function is achieved.
The low-pass filtering module 10 is arranged between the zener diode Z1 and the host 8 and is used for carrying out low-pass filtering on the signal of the turn light 6 and then transmitting the signal to the host 8.
The system further comprises a level conversion module 9, which is arranged between the low-pass filtering module 10 and the host 8 and is used for transmitting the low-pass filtered signal of the turn light 6 to the host 8 after reversing and level conversion.
The low-pass filtering module 10 includes a first resistor R1, a second resistor R2 and a second capacitor C2, one end of the first resistor R1 and one end of the second capacitor C2 are connected to the output end of the level filtering module 3, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the input end of the level converting module, and the other ends of the second capacitor C2 and the second resistor R2 are grounded.
The level conversion module 9 includes an NPN transistor Q1, a base of the NPN transistor Q1 is connected to the output terminal of the low-pass filter module 10, a collector thereof is connected to the host 8, and an emitter of the NPN transistor Q1 is grounded.
The device further comprises a third resistor R3, one end of which is connected to the collector of the NPN type triode Q1, and the other end of which is connected to the DC power supply VCC.
The working principle of the utility model is as follows: the host 8 generates a control signal of a warning light 7, the control signal is transmitted to the protection module 2 after being isolated, the protection module 2 transmits the control signal of the isolated warning light 7 to the switching module 4, the control signal is transmitted to the warning light 7 through the switching module 4, the warning light 7 is triggered to enter a working state and give out warnings such as flicker, when a user triggers the turn light 6, a signal of the turn light 6 generated by the turn light 6 flows to the protection module 2 and the level filtering module 3 through the switching module 4 respectively, wherein when the signal passes through the protection module 2, the signal of the turn light 6 is isolated because the protection module 2 is a diode D1, the signal of the turn light 6 is prevented from entering, the signal of the turn light 6 enters the level filtering module 3, then the signal of the turn light 6 is subjected to low-pass filtering by the low-pass filtering module 10 and is subjected to reverse direction and level conversion by the level conversion module 9, and the signal of the turn light 6 meeting the requirements of the host 8 is input, so that the host computer 8 outputs signals to control the operation of the components such as the camera 5 and the like.
When the switching module 4 does not have a high-level steering lamp 6 signal and has a warning lamp 7 control signal, the warning lamp 7 control signal cannot break through the zener diode Z1 of the level filtering module 3, and the host 8 cannot detect the warning lamp 7 control signal, that is, the warning lamp 7 control signal does not interfere with the detection of the steering lamp 6 signal; when only a signal of the steering lamp 6 exists on the control line and no control signal of the warning lamp 7 exists, the signal of the steering lamp 6 breaks through the voltage stabilizing diode Z1, and the host 8 detects the signal of the steering lamp 6; when the switching module 4 has the signal input of the turn light 6 and the control signal of the warning light 7 at the same time, the host 8 can also detect the signal of the turn light 6.
Above-mentioned scheme utilizes 6 input signal of indicator light and 7 control output signal's of warning light level ingeniously, the frequency is different, it directly inputs host computer 8 to set up the indicator light signal that protection module 2 prevented high level signal, it filters warning light signal and indicator light signal to set up level filter module 3, make indicator light signal can pass through level filter module 3 and input to host computer 8 in, realize input detection and output control with a line in the switching module 4, make the threading convenient during the installation, it is succinct to walk the line, the reduction installs the cost additional.
While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (9)
1. The utility model provides a ADAS reports to police and compatible circuit is detected to indicator, its characterized in that, includes blocking straight module, protection module, level filter module and switching module, switching module is connected with camera, indicator and warning light respectively, wherein:
the blocking module is used for blocking a warning lamp control signal sent by the host and then transmitting the blocking signal to the level filtering module and the switching module so as to drive the warning lamp connected with the switching module;
the level filtering module is used for filtering the received warning light control signal and the steering light signal transmitted by the switching module and outputting the steering light signal to the host;
the protection module is arranged between the output end of the blocking module and the switching module and used for preventing the turn signal output by the switching module from entering the host through the protection module.
2. The ADAS alarm and turn signal detection compatible circuit of claim 1, wherein the blocking module includes a first capacitor having one end connected to the host and another end connected to an input of the protection module.
3. The ADAS alarm and turn signal detection compatible circuit of claim 1, wherein the protection module includes a diode having an anode connected to the output of the dc blocking module and a cathode connected to the inputs of the patching module and the level filtering module.
4. The ADAS alarm and turn signal detection compatible circuit of claim 1, wherein the level filtering module includes a zener diode having an anode connected to the host and a cathode connected to the patching module.
5. The ADAS alarm and turn signal detection compatible circuit of claim 4, further comprising a low pass filter module disposed between the zener diode and the host for low pass filtering the turn signal and transmitting the filtered signal to the host.
6. The ADAS alarm and turn signal detection compatible circuit of claim 5, further comprising a level shifter module disposed between the low pass filter module and the host for inverting and level shifting the low pass filtered turn signal and transmitting the inverted and level shifted signal to the host.
7. The ADAS alarm and turn signal detection compatible circuit of claim 6, wherein the low pass filter module comprises a first resistor, a second resistor and a second capacitor, one end of the first resistor and one end of the second capacitor are connected to the output terminal of the level filter module, the other end of the first resistor is connected to one end of the second resistor and the input terminal of the level conversion module, respectively, and the other end of the second capacitor and the other end of the second resistor are grounded.
8. The ADAS alarm and turn signal detection compatible circuit of claim 6, wherein the level shifter module comprises an NPN transistor, a base of the NPN transistor is connected to the output of the low pass filter module, a collector of the NPN transistor is connected to the host, and an emitter of the NPN transistor is grounded.
9. The ADAS warning and turn signal detection compatible circuit of claim 8, further comprising a third resistor having one end connected to the collector of the NPN transistor and the other end connected to a dc power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864711.5U CN215552842U (en) | 2021-08-10 | 2021-08-10 | ADAS reports to police and turns to lamp and detects compatible circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864711.5U CN215552842U (en) | 2021-08-10 | 2021-08-10 | ADAS reports to police and turns to lamp and detects compatible circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215552842U true CN215552842U (en) | 2022-01-18 |
Family
ID=79834378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121864711.5U Active CN215552842U (en) | 2021-08-10 | 2021-08-10 | ADAS reports to police and turns to lamp and detects compatible circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215552842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119653561A (en) * | 2025-02-13 | 2025-03-18 | 深圳精智达技术股份有限公司 | A light source driving signal control method and circuit |
-
2021
- 2021-08-10 CN CN202121864711.5U patent/CN215552842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119653561A (en) * | 2025-02-13 | 2025-03-18 | 深圳精智达技术股份有限公司 | A light source driving signal control method and circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220166956A1 (en) | Vehicular vision system with electronic control unit | |
| KR101596699B1 (en) | Method for awaring a trailer use for a tractor | |
| KR101842815B1 (en) | Method for operating a rearview camera system of a motor vehicle after detection of a headlight flasher, rearview camera system and motor vehicle | |
| KR101767994B1 (en) | Vehicle brake lighting | |
| US10354525B2 (en) | Alerting system and method thereof | |
| CN215552842U (en) | ADAS reports to police and turns to lamp and detects compatible circuit | |
| US20110273527A1 (en) | Electronic Infrared Wide-Angle and Safety-Promotion External Vehicular Back Mirror | |
| JP2020147068A (en) | Vehicular lighting fixture diagnosis system | |
| EP1458222A1 (en) | Lamp failure warning device | |
| CN210309935U (en) | Automobile instrument | |
| CN218785967U (en) | Night vision auxiliary driving system for cross-country vehicle | |
| CN210526516U (en) | Automatic parking peripheral illumination warning system and vehicle | |
| US12441234B2 (en) | Method, control arrangement, and control device for controlling a rear lamp in a vehicle | |
| US20240140302A1 (en) | Method, control arrangement, and control device for controlling a rear lamp in a vehicle | |
| CN223045644U (en) | A vehicle driving monitoring system | |
| JP2005014759A (en) | Vehicle display device | |
| CN111169412A (en) | Vehicle-mounted terminal and startup and shutdown method | |
| CN110341600B (en) | Automatic reverse detection method and system for intelligent rearview mirror | |
| CN202261933U (en) | Temperature detection control device for automobile flash unit | |
| JPS6327440Y2 (en) | ||
| KR19990033507A (en) | Vehicle headlight failure detection warning device and method | |
| WO2018102298A1 (en) | Method and apparatus for rear-mounted vehicular display control system with integrated back-up camera | |
| KR102036097B1 (en) | Apparatus for detecting detent signal for illumination device of avn | |
| US20110316708A1 (en) | Monitoring circuit for vehicular lamp | |
| JP2600760Y2 (en) | Automatic flashing device for automotive lighting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |