CN203283038U - Vehicle soaking detection circuit - Google Patents
Vehicle soaking detection circuit Download PDFInfo
- Publication number
- CN203283038U CN203283038U CN2013203634368U CN201320363436U CN203283038U CN 203283038 U CN203283038 U CN 203283038U CN 2013203634368 U CN2013203634368 U CN 2013203634368U CN 201320363436 U CN201320363436 U CN 201320363436U CN 203283038 U CN203283038 U CN 203283038U
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- vehicle
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Abstract
The utility model disclose a vehicle soaking detection circuit which comprises the first sensor input end, a resistor R1, a resistor R2, a resistor R3, a pull-down filtering circuit, the second sensor input end and a comparer T. The first sensor input end, the resistor R3, the resistor R1 and the resistor R2 are sequentially in serial connection, the other end of the resistor R2 is connected with the ground, the second sensor input end, the pull-down filtering circuit and the comparer I are sequentially in serial connection, the pull-down filtering circuit is connected with a port B of the comparer T, the resistor R2, the pull-down filtering circuit and the comparer T are all connected with the ground, the public end of the resistor R1 and the resistor R2 are both connected with an A port of the comparer T, and the comparer T, the resistor R1 and the resistor R3 are all connected with a power supply. By means of the principle, whether water enters a vehicle can be reminded timely, the water can be treated timely, and components in the vehicle are prevented from being damaged by the water.
Description
Technical field
The utility model relates to the detecting test of vehicle circuit, is specifically related to vehicle immersion testing circuit.
Background technology
In the process that vehicle travels outside, drive not note that vehicle can intake.Can the electronic control system of automotive interior be caused damage after water inlet.Mixed rainwater corrosive property is very strong, can affect electrical function, especially affects later use.The electronic control system because general automobile is all arranged in pairs or groups (routine engine ECU, ABS system, SRS system, gps satellite navigation etc.), if meet the water inlet situation, can cause the inner IC circuit card short circuit of computing machine ECU and plug terminal to produce rust staining, and then slowly metal is partly produced corrosion phenomena, circuit is produced the bad contact phenomenon, serious, cause that even short circuit burns phenomenon.Next is driving engine, after automobile is soaked, if start or rolling motor, be easy to cause the engine link gross distortion, piston ring follows the string or blowing-by and gas leakage, the pressure gas string to crankcase, blowing-by when inlet and exhaust valve is closed, cause leakage of compressed gas in air inlet pipe and freeing pipe, cause scrapping of vehicle.Can cause after the water inlet of hence one can see that vehicle serious after, do not allow us to ignore, do not remind the driver but also design special Intelligent detection circuit in existing vehicle, avoid moisture to enter vehicle interior.
The utility model content
The utility model has overcome the deficiencies in the prior art, and vehicle immersion testing circuit is provided, and it is arranged in vehicle water inlet guard zone, in order to timely prompting vehicle interior, whether enters moisture, in time processes, and prevents that moisture from causing damage to interior vehicle components.
For solving above-mentioned technical matters, the utility model is by the following technical solutions: vehicle immersion testing circuit, comprise first sensor input end, resistance R 1, resistance R 2, resistance R 3, drop-down filter circuit, the second sensor input end and comparator T, described first sensor input end, resistance R 3, resistance R 1 and resistance R 2 are connected in series successively, the other end ground connection of resistance R 2 wherein; Described the second sensor input end, drop-down filter circuit and comparator T are connected in series successively, and drop-down filter circuit is connected on the B port of comparator T; Described resistance R 2, drop-down filter circuit and the equal ground connection of comparator T; The common port that described resistance R 1 is connected with resistance R is connected with the A port of comparator T; Described comparator T, resistance R 1 are connected and are all connected power supply with resistance R; Described comparator T also is connected with mouth.
Described drop-down filter circuit is comprised of resistance R 4 and the capacitor C 1 of parallel connection.
Described first sensor input end and the second sensor input end are arranged on respectively into the water guard zone.
Described first sensor input end connects blast duct for vehicle.
Described the second sensor input end connects firing circuit.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is arranged on this circuit near the water inlet guard zone of vehicle, the flooded condition that monitoring vehicle should zone at any time, in case find water inlet, send information reminding at comparator output terminal, in time avoid spreading of flooded condition, cause the automotive interior metal partly to produce corrosion phenomena, circuit is produced the bad contact phenomenon, serious, cause that even short circuit burns the generation of phenomenon situation.
2, the utility model is provided with special filter circuit, makes the voltage of output more stable, and the ripple voltage fluctuation is less.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated, embodiment of the present utility model is not limited to this.
Embodiment:
As shown in Figure 1, the utility model comprises first sensor input end, resistance R 1, resistance R 2, resistance R 3, drop-down filter circuit, the second sensor input end and comparator T, and drop-down filter circuit is comprised of resistance R 4 and the capacitor C 1 of parallel connection.The first sensor input end of the present embodiment, resistance R 3, resistance R 1 and resistance R 2 are connected in series successively, the other end ground connection of resistance R 2 wherein.The second sensor input end wherein, drop-down filter circuit and comparator T are connected in series successively, and drop-down filter circuit is connected on the B port of comparator T.Resistance R 2 wherein, drop-down filter circuit and the equal ground connection of comparator T.The common port that resistance R 1 wherein is connected with resistance R is connected with the A port of comparator T.Wherein comparator T, resistance R 1 are connected and are all connected power supply with resistance R; Described comparator T also is connected with mouth.The first sensor input end of the present embodiment and the second sensor input end are arranged on respectively into the water guard zone, and the first sensor input end connects blast duct for vehicle, and the second sensor input end connects firing circuit.
First sensor input end and the second sensor input end are arranged on respectively the water inlet guard zone of vehicle, freeing pipe for example, near firing circuit diverse location, when these zones intake, form path between two input ends, make the upset of comparator output terminal signal, pass through again mouth after the signal upset, send corresponding alarm for the abnormal condition automobile, avoid automotive interior to enter moisture.R1 wherein, the R2 dividing potential drop produces reference voltage, and R3 is current-limiting resistance, and R4 and electric capacity form drop-down filter circuit.
Just can realize this utility model as mentioned above.
Claims (5)
1. vehicle immersion testing circuit, it is characterized in that: comprise first sensor input end, resistance R 1, resistance R 2, resistance R 3, drop-down filter circuit, the second sensor input end and comparator T, described first sensor input end, resistance R 3, resistance R 1 and resistance R 2 are connected in series successively, the other end ground connection of resistance R 2 wherein; Described the second sensor input end, drop-down filter circuit and comparator T are connected in series successively, and drop-down filter circuit is connected on the B port of comparator T; Described resistance R 2, drop-down filter circuit and the equal ground connection of comparator T; The common port that described resistance R 1 is connected with resistance R is connected with the A port of comparator T; Described comparator T, resistance R 1 are connected and are all connected power supply with resistance R; Described comparator T also is connected with mouth.
2. vehicle according to claim 1 immersion testing circuit, it is characterized in that: described drop-down filter circuit is comprised of resistance R 4 and the capacitor C 1 of parallel connection.
3. vehicle according to claim 1 immersion testing circuit, it is characterized in that: described first sensor input end and the second sensor input end are arranged on respectively into the water guard zone.
4. vehicle immersion testing circuit according to claim 3, is characterized in that: described first sensor input end connection blast duct for vehicle.
5. vehicle immersion testing circuit according to claim 3, is characterized in that: described the second sensor input end connection firing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203634368U CN203283038U (en) | 2013-06-24 | 2013-06-24 | Vehicle soaking detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203634368U CN203283038U (en) | 2013-06-24 | 2013-06-24 | Vehicle soaking detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203283038U true CN203283038U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203634368U Expired - Fee Related CN203283038U (en) | 2013-06-24 | 2013-06-24 | Vehicle soaking detection circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN203283038U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359018A (en) * | 2013-06-24 | 2013-10-23 | 成都市晶林科技有限公司 | Vehicle detecting circuit |
| CN104200618A (en) * | 2014-09-17 | 2014-12-10 | 威海北洋光电信息技术股份公司 | Ship entering and leaving detection system based on piezoelectric hydrophone |
| CN108544924A (en) * | 2018-03-29 | 2018-09-18 | 北京新能源汽车股份有限公司 | A kind of detection circuit and automobile |
| CN111649801A (en) * | 2020-08-10 | 2020-09-11 | 江西科技学院 | Infrared monitoring alarm device and alarm method thereof |
-
2013
- 2013-06-24 CN CN2013203634368U patent/CN203283038U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359018A (en) * | 2013-06-24 | 2013-10-23 | 成都市晶林科技有限公司 | Vehicle detecting circuit |
| CN104200618A (en) * | 2014-09-17 | 2014-12-10 | 威海北洋光电信息技术股份公司 | Ship entering and leaving detection system based on piezoelectric hydrophone |
| CN104200618B (en) * | 2014-09-17 | 2017-02-15 | 威海北洋光电信息技术股份公司 | Ship entering and leaving detection system based on piezoelectric hydrophone |
| CN108544924A (en) * | 2018-03-29 | 2018-09-18 | 北京新能源汽车股份有限公司 | A kind of detection circuit and automobile |
| CN111649801A (en) * | 2020-08-10 | 2020-09-11 | 江西科技学院 | Infrared monitoring alarm device and alarm method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN BEIDOUXING CONNECTED VEHICLE INFORMATION T Free format text: FORMER OWNER: CHENGDU JINGLIN TECHNOLOGY CO., LTD. Effective date: 20140410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140410 Address after: 610000 Chengdu high tech Zone, Sichuan Tianyi street, No. 3, building 38 Patentee after: Sichuan Beidou Vehicle Information Technology Co., Ltd. Address before: 610000 Sichuan Province, Chengdu hi tech Zone Tianfu street, No. 1, building 7, layer 4, No. four Patentee before: Chengdu Jinglin Science and Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20180624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |