CN202678221U - Automobile power supply delayer - Google Patents
Automobile power supply delayer Download PDFInfo
- Publication number
- CN202678221U CN202678221U CN 201220265571 CN201220265571U CN202678221U CN 202678221 U CN202678221 U CN 202678221U CN 201220265571 CN201220265571 CN 201220265571 CN 201220265571 U CN201220265571 U CN 201220265571U CN 202678221 U CN202678221 U CN 202678221U
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- triode
- power supply
- links
- resistance
- delayer
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Abstract
The utility model relates to the time-delay apparatus technology field, particularly to an automobile power supply delayer. The automobile power supply delayer is capable of effectively preventing the vehicle-loaded electric appliance from being damaged by the starting pulse current of the automobile power supply. The automobile power supply delayer comprises a power supply input terminal. The power supply input terminal is structurally characterized in that: the anode of the power supply input terminal is respectively connected with one end of a first resistor, the collector electrode of a triode I, and a relay normal open moving contact; the other end of the first resistor is respectively connected with one end of a capacitor and one end of a second resistor; the other end of the second resistor is connected with the base electrode of the triode II; the collector electrode of the triode II is connected with the base electrode of the triode I; the emitter electrode of the triode I is connected with one end of the relay coil; the normal open fixed contact of the relay is connected with the output terminal of the power supply anode; and the cathode of the power supply input terminal, the other end of the capacitor, the emitter electrode of the triode II, the other end of the relay coil, and the output terminal of the power supply cathode are connected.
Description
Technical field
The utility model belongs to the time-delay mechanism technical field, relates in particular to a kind of automobile power source delayer.
Background technology
Existing automobile does not possess the power supply time delay output apparatus; When automobile starting, the power supply output just can obtain stable output through break-make repeatedly several times, and the output of this process power supply can produce pulse current, and vehicle mounted electrical apparatus is produced harm.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of vehicle mounted electrical apparatus that effectively prevents to be subject to the automobile power source delayer of automobile power source starting impulse electric current infringement.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises power input, its structural feature power input positive pole links to each other with the first resistance one end, triode I collector electrode, relay normally open moving contact respectively, the first resistance other end links to each other with electric capacity one end, the second resistance one end respectively, the second resistance other end links to each other with triode II base stage, and triode II collector electrode links to each other with triode I base stage, and triode I emitter links to each other with relay coil one end; Described relay normally open fixed contact links to each other with the positive source output, and power input negative pole, the electric capacity other end, triode II emitter, the relay coil other end, power cathode output link to each other.
As a kind of preferred version, be in series with the 3rd resistance and indicator light between positive source output described in the utility model and the power cathode output.
As another kind of preferred version, indicator light described in the utility model is the LED lamp.
The utility model beneficial effect
1, the function that has the delayed startup power supply
The utility model power input positive pole links to each other with the first resistance one end, triode I collector electrode, relay normally open moving contact respectively, the first resistance other end links to each other with electric capacity one end, the second resistance one end respectively, the second resistance other end links to each other with triode II base stage, triode II collector electrode links to each other with triode I base stage, and triode I emitter links to each other with relay coil one end; Described relay normally open fixed contact links to each other with the positive source output, and power input negative pole, the electric capacity other end, triode II emitter, the relay coil other end, power cathode output link to each other; When power input access power supply, power supply is slowly given capacitor charging by the first resistance, and when capacitance voltage is enough to make triode I, triode II all during conducting, the relay normally open moving contact is closed, powers to subsequent conditioning circuit.
2, has the power supply deixis
Be in series with the 3rd resistance and indicator light between the utility model positive source output and the power cathode output; By the existing electric energy output of indicator light indication.
3, energy-conservation, the life-span is long
The utility model indicator light is the LED lamp; LED streetlamp energy-saving, life-span are long.
4, simple in structure
The utility model comprises the first resistance, triode I, relay, electric capacity, the second resistance, triode II; Member is few, connection is simple.So the utility model is simple in structure.
Description of drawings
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with the drawings and the specific embodiments, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
As shown in the figure, the utility model comprises power input, the power input positive pole links to each other with the first resistance one end, triode I collector electrode, relay normally open moving contact respectively, the first resistance other end links to each other with electric capacity one end, the second resistance one end respectively, the second resistance other end links to each other with triode II base stage, triode II collector electrode links to each other with triode I base stage, and triode I emitter links to each other with relay coil one end; Described relay normally open fixed contact links to each other with the positive source output, and power input negative pole, the electric capacity other end, triode II emitter, the relay coil other end, power cathode output link to each other.
Be in series with the 3rd resistance and indicator light between described positive source output and the power cathode output.
Described indicator light is the LED lamp.
During use, the utility model power input is linked to each other with the automobile power source output, power output end links to each other with the vehicle mounted electrical apparatus power input and gets final product.
Be understandable that, more than about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection range of the present utility model.
Claims (3)
1. automobile power source delayer, comprise power input, it is characterized in that the power input positive pole links to each other with the first resistance one end, triode I collector electrode, relay normally open moving contact respectively, the first resistance other end links to each other with electric capacity one end, the second resistance one end respectively, the second resistance other end links to each other with triode II base stage, triode II collector electrode links to each other with triode I base stage, and triode I emitter links to each other with relay coil one end; Described relay normally open fixed contact links to each other with the positive source output, and power input negative pole, the electric capacity other end, triode II emitter, the relay coil other end, power cathode output link to each other.
2. described automobile power source delayer according to claim 1 is characterized in that being in series with the 3rd resistance and indicator light between described positive source output and the power cathode output.
3. described automobile power source delayer according to claim 2 is characterized in that described indicator light is the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265571 CN202678221U (en) | 2012-06-07 | 2012-06-07 | Automobile power supply delayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265571 CN202678221U (en) | 2012-06-07 | 2012-06-07 | Automobile power supply delayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678221U true CN202678221U (en) | 2013-01-16 |
Family
ID=47499105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220265571 Expired - Fee Related CN202678221U (en) | 2012-06-07 | 2012-06-07 | Automobile power supply delayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159874A (en) * | 2016-07-08 | 2016-11-23 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
-
2012
- 2012-06-07 CN CN 201220265571 patent/CN202678221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159874A (en) * | 2016-07-08 | 2016-11-23 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
| CN106159874B (en) * | 2016-07-08 | 2019-05-21 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130607 |