CN2362749Y - Safety warning device for fog weather running of car - Google Patents
Safety warning device for fog weather running of car Download PDFInfo
- Publication number
- CN2362749Y CN2362749Y CN 99227242 CN99227242U CN2362749Y CN 2362749 Y CN2362749 Y CN 2362749Y CN 99227242 CN99227242 CN 99227242 CN 99227242 U CN99227242 U CN 99227242U CN 2362749 Y CN2362749 Y CN 2362749Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- fog
- car
- language
- time base
- 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.)
- Expired - Fee Related
Links
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses a safety warning device for fog weather running of a car, which is composed of a car fog-preventing circuit, a time base circuit and a speech integrated circuit. The utility model can automatically use the clear and concise language to prompt a car driver to pay attention to the safety as soon as a fog-preventing light is opened. The utility model has the advantages of compact structure, and convenient installation and use.
Description
The utility model relates to automotive safety warning device manufacturing technology field, specifically relates to the safe alarm set that a kind of automobile foggy day travels.
Automobile travelled in the greasy weather, and condition of road surface is unintelligible, unless you give your whole attention to it, can have traffic accident.
The purpose of this utility model can the clear language reminiscences of reminding the driver to drive with caution concisely when being to provide a kind of automobile foggy day to travel.
The technical solution of the utility model is that a kind of automobile foggy day driving safety reminiscences is mainly become by automobile anti-fog lamp control circuit, time base circuit, the integrated circuit bank of language.The parallel connection of described time base circuit input end Fog-proof light power supply, described time base circuit mouth is connected with the trigger end of language integrated circuit.The mouth of language integrated circuit is by a transistor driving loudspeaker playback.
The utility model has the advantages that when automobile travelled in the greasy weather, when Fog-proof light one is opened, language reminiscences circuit was also connected, remind the driver to note travelling in fog day safety from employing clear clear and simple language by the time of setting, and compact conformation, easy to install.
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing 1 and embodiment.
The inventor selects for use NE555 IC 1 to form the multi-vibrator of EDM Generator of Adjustable Duty Ratio.Seal in adjustable resistance RW1, RW2 in the circuit charging and discharging of C2, respectively as reminiscences open, fine setting between the stopping time.The unidirectional protection filter circuit that the power supply of reminiscences is formed through D1, C1.C3 is the filter capacitor of time-base integrated circuit IC1.
When opening the Fog-proof light switch, also connected language reminiscences power supply simultaneously, positive supply charges to C2 by R1, RW1 and D2, and 3 pin of time-base integrated circuit IC1 are in high level, trigger language IC 2, drive the loudspeaker playback by transistor T.When the both end voltage of C2 rise to power line voltage 2/3 the time, time-base integrated circuit IC1 upset, the 3 pin output low levels of IC1, the language circuit is closed, loudspeaker stop playback.Simultaneously C2 discharges over the ground through 7 pin of D3, R2, the timely basic IC circuit 1 of RW2, when the C2 both end voltage drop to power line voltage 1/3 the time, time base circuit IC1 overturns again, 3 pin of IC1 are exported high level again, repeat said process.
Claims (2)
1, a kind of automobile foggy day driving safety reminiscences is characterized in that: it is by the automobile anti-fog lamp control circuit, and time base circuit becomes with the integrated circuit bank of language; Described time base circuit input end is in parallel with the Fog-proof light power supply; The mouth of described time base circuit is connected with the trigger end of language integrated circuit; The mouth of language integrated circuit is by a transistor driving loudspeaker playback.
2, greasy weather driving safety reminiscences as claimed in claim 1 is characterized in that, described time base circuit is 555 time-base integrated circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227242 CN2362749Y (en) | 1999-01-29 | 1999-01-29 | Safety warning device for fog weather running of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227242 CN2362749Y (en) | 1999-01-29 | 1999-01-29 | Safety warning device for fog weather running of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2362749Y true CN2362749Y (en) | 2000-02-09 |
Family
ID=34016786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99227242 Expired - Fee Related CN2362749Y (en) | 1999-01-29 | 1999-01-29 | Safety warning device for fog weather running of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2362749Y (en) |
-
1999
- 1999-01-29 CN CN 99227242 patent/CN2362749Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |