CN213167869U - Control circuit of automobile position lamp - Google Patents
Control circuit of automobile position lamp Download PDFInfo
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- CN213167869U CN213167869U CN202021856427.9U CN202021856427U CN213167869U CN 213167869 U CN213167869 U CN 213167869U CN 202021856427 U CN202021856427 U CN 202021856427U CN 213167869 U CN213167869 U CN 213167869U
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Abstract
The utility model discloses a control circuit of car position lamp, including car power supply operating circuit, charging circuit, built-in energy storage unit's the working circuit that discharges, first electronic switch circuit, second electronic switch circuit and relay. The utility model discloses car power supply unit charges for the energy storage unit when starting, gives lamp controller, starting lamp and the power supply of lighting a day, realizes starting the streamer through the delay power supply of delay electric capacity realization lighting a day, and car power supply unit disconnection power supply when extinguishing, and the energy storage unit discharges, realizes extinguishing the streamer.
Description
Technical Field
The utility model relates to a control circuit of car position lamp belongs to automotive lighting technical field.
Background
Many senior cars all have the starting streamer and the extinction streamer effect of position lamp at present, wherein, the position lamp divide into two parts: one part is to light up once when starting, which is called as a starting lamp, and the other part is to keep the lamp always on when the position lamp is turned on in the driving process, which is called as a normally-on lamp.
However, many old cars (such as the old Benz W222) do not have a streamer effect, and a new lamp with the streamer effect is directly installed in the old cars, and the corresponding streamer effect cannot be realized, so that further improvement on a control circuit is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control circuit of car position lamp has solved the problem that reveals in the background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a control circuit of an automobile position lamp comprises an automobile power supply working circuit, a charging circuit, a discharging working circuit with a built-in energy storage unit, a first electronic switch circuit, a second electronic switch circuit and a relay;
the input end of the vehicle power supply working circuit is externally connected with an automobile power supply unit, the first output end of the vehicle power supply working circuit is connected with the first stationary contact of the relay first contact group, the second output end of the vehicle power supply working circuit is respectively connected with the first stationary contact of the relay third contact group and the first stationary contact of the relay fourth contact group, and the third output end of the vehicle power supply working circuit is connected with the switch signal input end of the first electronic switch circuit;
the charging end of the discharging working circuit is externally connected with an automobile power supply unit through the charging circuit, the first discharging end of the discharging working circuit is connected with the second stationary contact of the second contact group of the relay, the second discharging end of the discharging working circuit is connected with the second stationary contact of the third contact group of the relay, and the third discharging end of the discharging working circuit is respectively connected with the power input end of the first electronic switch circuit and the second stationary contact of the fourth contact group of the relay;
the output end of the first electronic switch circuit is grounded through a relay coil, the movable contact of the first contact group of the relay is connected with the power input end of the second electronic switch circuit, the output end of the second electronic switch circuit is externally connected with a normally-on lamp, a delay capacitor C3 for delaying the output of the second electronic switch circuit is arranged between the second electronic switch circuit and the ground, the movable contact of the second contact group of the relay is externally connected with the normally-on lamp, the movable contact of the third contact group of the relay is externally connected with the power supply end of an automobile lamp controller, and the movable contact of the fourth contact group of the relay is externally connected with a starting lamp.
The vehicle power supply working circuit comprises a diode D6, a diode D7 and a diode D8, anodes of the diode D6, the diode D7 and the diode D8 are all externally connected with a vehicle power supply unit, a cathode of the diode D6 is connected with a switch signal input end of the first electronic switch circuit, a cathode of the diode D7 is connected with a first static contact of the relay third contact group and a first static contact of the relay fourth contact group, and a cathode of the diode D8 is connected with the first static contact of the relay first contact group.
A filter capacitor C1 is connected between the first output end of the vehicle power supply working circuit and the ground, and a filter capacitor C2 is connected between the second output end of the vehicle power supply working circuit and the ground.
The charging circuit comprises a diode D1, a diode D2 and a resistor R1, anodes of the diode D1 and the diode D2 are all externally connected with an automobile power supply unit, cathodes of the diode D1 and the diode D2 are all connected with one end of the resistor R1, and the other end of the resistor R1 is connected with a charging end of the discharging working circuit.
The discharging working circuit comprises a diode D3, a diode D4, a diode D5 and an energy storage unit EC, wherein the anode of the energy storage unit EC is a charging end of the discharging working circuit and is respectively connected with the anode of the diode D3, the anode of the diode D4 and the anode of the diode D5, the cathode of the energy storage unit EC is grounded, the cathode of the diode D5 is connected with the second stationary contact of the relay second contact group, the cathode of the diode D4 is connected with the second stationary contact of the relay third contact group, and the cathode of the diode D3 is respectively connected with the power supply input end of the first electronic switch circuit and the second stationary contact of the relay fourth contact group.
The first electronic switch circuit and the second electronic switch circuit are consistent in structure; responding to the input of a switching signal, and the output end has no output; in response to the input of the switching signal at the input terminal being at a low level, the output terminal has an output.
The electronic switch circuit comprises a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode DZ1, a triode Q1, a triode Q2 and a triode QD 1;
the emitter of the triode QD1 is the power input end of the electronic switch circuit, and the collector is the output end of the electronic switch circuit;
two ends of a resistor R4 are respectively connected with an emitter and a base of a triode QD1, two ends of a resistor R3 are respectively connected with a base of the triode QD1 and a collector of the triode Q2, an emitter of the triode QD1 is grounded, one end of a resistor R5 is connected with an emitter of the triode QD1, the other end of the resistor R5 is respectively connected with a collector of a triode Q1 and a base of the triode Q2, two ends of a resistor R6 are respectively connected with the emitter and the base of the triode Q2, an emitter of the triode Q1 is grounded, a base of the triode Q1 is connected with an anode of a diode DZ1, a cathode of the diode DZ1 is connected with one end of the resistor R2, and the other end of the resistor R2 is a.
One end of the delay capacitor C3 is connected to the collector of the transistor Q2, and the other end of the delay capacitor C3 is grounded.
The utility model discloses the beneficial effect who reaches: the utility model discloses car power supply unit charges for the energy storage unit when starting, gives lamp controller, starting lamp and the power supply of lighting a day, realizes starting the streamer through the delay power supply of delay electric capacity realization lighting a day, and car power supply unit disconnection power supply when extinguishing, and the energy storage unit discharges, realizes extinguishing the streamer.
Drawings
Fig. 1 is a circuit diagram of the present invention;
fig. 2 is a circuit diagram of the electronic switch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, a control circuit of an automobile position light includes an automobile power supply operating circuit, a charging circuit, a discharging operating circuit with an internal energy storage unit, a first electronic switch circuit B, a second electronic switch circuit C, and a relay (specifically, a four-pole normally open and normally closed relay).
The input end of the vehicle power supply working circuit is externally connected with a vehicle power supply unit, the first output end of the vehicle power supply working circuit is connected with the first stationary contact K1-2 of the relay first contact group, the second output end of the vehicle power supply working circuit is respectively connected with the first stationary contact K1-8 of the relay third contact group and the first stationary contact K1-11 of the relay fourth contact group, and the third output end of the vehicle power supply working circuit is connected with the switching signal input end of the first electronic switching circuit B; a filter capacitor C1 is connected between the first output end of the vehicle power supply working circuit and the ground, a filter capacitor C2 is connected between the second output end of the vehicle power supply working circuit and the ground, and the power supply is shaped and filtered through the filter capacitor to reach the voltage required by normal work.
The charging end of the discharging working circuit is externally connected with an automobile power supply unit through the charging circuit, the first discharging end of the discharging working circuit is connected with a second static contact K1-6 of the relay second contact group, the second discharging end of the discharging working circuit is connected with a second static contact K1-9 of the relay third contact group, and the third discharging end of the discharging working circuit is respectively connected with the power input end of the first electronic switch circuit B and a second static contact K1-12 of the relay fourth contact group.
The output end of the first electronic switch circuit B is grounded through a relay coil, the relay coil is in reverse direction and is provided with a diode D11, a movable contact K1-1 of a first contact group of the relay is connected with the power supply input end of a second electronic switch circuit C, the output end of the second electronic switch circuit C is externally connected with a normally-on lamp, a delay capacitor C3 used for delaying the output of the second electronic switch circuit C is arranged between the second electronic switch circuit C and the ground, the movable contact K1-4 of the second contact group of the relay is externally connected with the normally-on lamp, the movable contact K1-7 of a third contact group of the relay is externally connected with the power supply end of an automobile lamp controller, and the movable contact K1-10 of a fourth contact group of the relay is externally connected with a.
The vehicle power supply working circuit comprises a diode D6, a diode D7 and a diode D8, anodes of the diode D6, the diode D7 and the diode D8 are all externally connected with a vehicle power supply unit, a cathode of the diode D6 is connected with a switching signal input end of the first electronic switching circuit B, cathodes of the diode D7 are respectively connected with a first static contact K1-8 of the relay third contact group, a first static contact K1-11 of the relay fourth contact group and an anode of the filter capacitor C2, a cathode of the filter capacitor C2 is grounded, a cathode of the diode D8 is respectively connected with a first static contact K1-2 of the relay first contact group and an anode of the filter capacitor C1, and a cathode of the filter capacitor C1 is grounded.
The charging circuit comprises a diode D1, a diode D2 and a resistor R1, anodes of the diode D1 and the diode D2 are all externally connected with an automobile power supply unit, cathodes of the diode D1 and the diode D2 are all connected with one end of the resistor R1, and the other end of the resistor R1 is connected with a charging end of the discharging working circuit.
The discharging working circuit comprises a diode D3, a diode D4, a diode D5 and an energy storage unit EC, the energy storage unit EC adopts a capacitor in a pulling method, the anode of the energy storage unit EC is a charging end of the discharging working circuit and is respectively connected with the anode of the diode D3, the anode of the diode D4 and the anode of the diode D5, the cathode of the energy storage unit EC is grounded, the cathode of the diode D5 is connected with a second static contact K1-6 of the second contact group of the relay, the cathode of the diode D4 is connected with a second static contact K1-9 of the third contact group of the relay, and the cathode of the diode D3 is respectively connected with a power supply input end of the first electronic switch circuit B and a second static contact K1-12 of the fourth contact group of the relay.
As shown in fig. 2, the first electronic switch circuit B and the second electronic switch circuit C have the same structure, and the electronic switch circuit includes a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode DZ1, a transistor Q1, a transistor Q2, and a transistor QD 1.
The emitter of the triode QD1 is the power input end of the electronic switch circuit, and the collector is the output end of the electronic switch circuit; two ends of a resistor R4 are respectively connected with an emitter and a base of a triode QD1, two ends of a resistor R3 are respectively connected with a base of the triode QD1 and a collector of the triode Q2, an emitter of the triode QD1 is grounded, one end of a resistor R5 is connected with an emitter of the triode QD1, the other end of the resistor R5 is respectively connected with a collector of a triode Q1 and a base of the triode Q2, two ends of a resistor R6 are respectively connected with the emitter and the base of the triode Q2, an emitter of the triode Q1 is grounded, a base of the triode Q1 is connected with an anode of a diode DZ1, a cathode of the diode DZ1 is connected with one end of the resistor R2, and the other end of the resistor R2 is a.
The electronic switching circuit principle is as follows:
when a high level is input at the input end of a switching signal, the switching signal is broken down through a resistor R2 and a diode DZ1 and then sent to the base electrode of a triode Q1, the triode Q1 is in saturated conduction, the voltage of an emitter and a collector is 0.7V, so that the base electrode of the triode Q2 is pulled down to be 0.7V, the emitter and the collector of a triode Q2 are in an open circuit state, and no output voltage exists in the triode QD 1; when the input end of the switching signal inputs low level, the emitter and the collector of the triode Q1 are in an open circuit state, the base of the triode Q2 obtains high level through the voltage division of the input power supply through the resistors R5 and R6, the triode Q2 is in saturated conduction, the base of the triode QD1 is grounded through the triode Q2, and the triode QD1 has output voltage.
Therefore, in response to the input end of the switching signal inputting high level, the output end has no output; in response to the input of the switching signal at the input terminal being at a low level, the output terminal has an output.
One end of the delay capacitor C3 is connected with the collector of the triode Q2, the other end of the delay capacitor C3 is grounded, and due to the connection of the external delay capacitor C3, the voltage at the two ends of the delay capacitor C3 cannot suddenly change to form a delay effect, so that the output delay of the second electronic switch circuit C is realized.
Taking the old Benz W222 as an example, the component A in FIG. 1 is a lamp connector, wherein pin 1 is connected to ground, pin 2 is connected to a normally-on lamp, pin 3 is connected to a turn signal lamp, pin 4 is connected to a brake lamp, pin 5 is connected to a fog lamp, pin 6 is connected to a turn signal lamp detection unit, pin 7 is a power supply terminal of an automobile lamp controller (i.e., single bias excitation), pin 8 is suspended, pin 9 is suspended, and pin 10 is connected to a starting lamp.
In combination with the old Benz W222, the operation principle of the control circuit is as follows:
when an automobile is started, an automobile power supply unit supplies power to the outside, one path of the power supply unit charges an energy storage unit of a discharging working circuit, the other path of the power supply working circuit supplies power to the automobile, a switching signal input end of a first electronic switching circuit B is directly input into a high level through a diode D6, the first electronic switching circuit B has no output, a relay does not act, at the moment, a first fixed contact K1-2 and a movable contact K1-1 of a first contact group of the relay are connected, a first fixed contact K1-5 (suspended) and a movable contact K1-4 of a second contact group are connected, a first fixed contact K1-8 and a movable contact K1-7 of a third contact group are connected, a first fixed contact K1-11 and a movable contact K1-10 of a fourth contact group are connected, a power supply signal output by a diode D7 is shaped and filtered by a filter capacitor C2 to supply power to a starting lamp and an automobile lamp controller, the power supply signal output by the diode D8 is input into the second electronic switch circuit C after being shaped and filtered by the filter capacitor C1, and because the switch signal input end of the second electronic switch circuit C has no input, namely low level, under the action of the delay capacitor C3, the output of the second electronic switch circuit C delays to supply power to the normally-on lamp (namely, the power is supplied to the backward starting lamp and the automobile lamp controller), so that the effect of increasing the forward running light and gradually lighting when the automobile lamp controller is started is realized, namely the automobile starting running light is realized;
when the automobile is extinguished, the power supply unit of the automobile cuts off the power supply, the input of the switch signal input end of the first electronic switch circuit B disappears, namely, the energy storage unit EC supplies power to the outside through diodes D5, D4 and D3, the first electronic switch circuit B has output to cause the relay to act, at the moment, the second fixed contact K1-2 and the movable contact K1-1 of the first contact group of the relay are connected, the second fixed contact K1-6 and the movable contact K1-4 of the second contact group are connected, the second fixed contact K1-9 and the movable contact K1-7 of the third contact group are connected, the second fixed contact K1-12 and the movable contact K1-10 of the fourth contact group are connected, and the outputs of the diodes D5, D4 and D3 respectively supply power to a normally-on lamp, an automobile lamp controller and a starting lamp, so that the effect of starting, extinguishing, reducing and adding reverse flow light of the automobile lamp controller is realized, namely, the automobile lights are extinguished.
The utility model discloses car power supply unit charges for the energy storage unit when starting, gives lamp controller, starting lamp and the power supply of lighting a day, realizes starting the streamer through the delay power supply of delay electric capacity realization lighting a day, and car power supply unit disconnection power supply when extinguishing, and the energy storage unit discharges, realizes extinguishing the streamer.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. A control circuit of an automobile position lamp is characterized in that: the energy storage device comprises a vehicle power supply working circuit, a charging circuit, a discharging working circuit with an internal energy storage unit, a first electronic switch circuit, a second electronic switch circuit and a relay;
the input end of the vehicle power supply working circuit is externally connected with an automobile power supply unit, the first output end of the vehicle power supply working circuit is connected with the first stationary contact of the relay first contact group, the second output end of the vehicle power supply working circuit is respectively connected with the first stationary contact of the relay third contact group and the first stationary contact of the relay fourth contact group, and the third output end of the vehicle power supply working circuit is connected with the switch signal input end of the first electronic switch circuit;
the charging end of the discharging working circuit is externally connected with an automobile power supply unit through the charging circuit, the first discharging end of the discharging working circuit is connected with the second stationary contact of the second contact group of the relay, the second discharging end of the discharging working circuit is connected with the second stationary contact of the third contact group of the relay, and the third discharging end of the discharging working circuit is respectively connected with the power input end of the first electronic switch circuit and the second stationary contact of the fourth contact group of the relay;
the output end of the first electronic switch circuit is grounded through a relay coil, the movable contact of the first contact group of the relay is connected with the power input end of the second electronic switch circuit, the output end of the second electronic switch circuit is externally connected with a normally-on lamp, a delay capacitor C3 for delaying the output of the second electronic switch circuit is arranged between the second electronic switch circuit and the ground, the movable contact of the second contact group of the relay is externally connected with the normally-on lamp, the movable contact of the third contact group of the relay is externally connected with the power supply end of an automobile lamp controller, and the movable contact of the fourth contact group of the relay is externally connected with a starting lamp.
2. The control circuit of the automobile position lamp as claimed in claim 1, wherein: the vehicle power supply working circuit comprises a diode D6, a diode D7 and a diode D8, anodes of the diode D6, the diode D7 and the diode D8 are all externally connected with a vehicle power supply unit, a cathode of the diode D6 is connected with a switch signal input end of the first electronic switch circuit, a cathode of the diode D7 is connected with a first static contact of the relay third contact group and a first static contact of the relay fourth contact group, and a cathode of the diode D8 is connected with the first static contact of the relay first contact group.
3. The control circuit of the automobile position lamp as claimed in claim 1, wherein: a filter capacitor C1 is connected between the first output end of the vehicle power supply working circuit and the ground, and a filter capacitor C2 is connected between the second output end of the vehicle power supply working circuit and the ground.
4. The control circuit of the automobile position lamp as claimed in claim 1, wherein: the charging circuit comprises a diode D1, a diode D2 and a resistor R1, anodes of the diode D1 and the diode D2 are all externally connected with an automobile power supply unit, cathodes of the diode D1 and the diode D2 are all connected with one end of the resistor R1, and the other end of the resistor R1 is connected with a charging end of the discharging working circuit.
5. The control circuit of the automobile position lamp as claimed in claim 1, wherein: the discharging working circuit comprises a diode D3, a diode D4, a diode D5 and an energy storage unit EC, wherein the anode of the energy storage unit EC is a charging end of the discharging working circuit and is respectively connected with the anode of the diode D3, the anode of the diode D4 and the anode of the diode D5, the cathode of the energy storage unit EC is grounded, the cathode of the diode D5 is connected with the second stationary contact of the relay second contact group, the cathode of the diode D4 is connected with the second stationary contact of the relay third contact group, and the cathode of the diode D3 is respectively connected with the power supply input end of the first electronic switch circuit and the second stationary contact of the relay fourth contact group.
6. The control circuit of the automobile position lamp as claimed in claim 1, wherein: the first electronic switch circuit and the second electronic switch circuit are consistent in structure; responding to the input of a switching signal, and the output end has no output; in response to the input of the switching signal at the input terminal being at a low level, the output terminal has an output.
7. The control circuit of the automobile position light as claimed in claim 6, wherein: the electronic switch circuit comprises a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode DZ1, a triode Q1, a triode Q2 and a triode QD 1;
the emitter of the triode QD1 is the power input end of the electronic switch circuit, and the collector is the output end of the electronic switch circuit;
two ends of a resistor R4 are respectively connected with an emitter and a base of a triode QD1, two ends of a resistor R3 are respectively connected with a base of the triode QD1 and a collector of the triode Q2, an emitter of the triode QD1 is grounded, one end of a resistor R5 is connected with an emitter of the triode QD1, the other end of the resistor R5 is respectively connected with a collector of a triode Q1 and a base of the triode Q2, two ends of a resistor R6 are respectively connected with the emitter and the base of the triode Q2, an emitter of the triode Q1 is grounded, a base of the triode Q1 is connected with an anode of a diode DZ1, a cathode of the diode DZ1 is connected with one end of the resistor R2, and the other end of the resistor R2 is a.
8. The control circuit of the position lamp of the automobile according to claim 7, wherein: one end of the delay capacitor C3 is connected to the collector of the transistor Q2, and the other end of the delay capacitor C3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856427.9U CN213167869U (en) | 2020-08-31 | 2020-08-31 | Control circuit of automobile position lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856427.9U CN213167869U (en) | 2020-08-31 | 2020-08-31 | Control circuit of automobile position lamp |
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| Publication Number | Publication Date |
|---|---|
| CN213167869U true CN213167869U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021856427.9U Active CN213167869U (en) | 2020-08-31 | 2020-08-31 | Control circuit of automobile position lamp |
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|---|---|
| CN (1) | CN213167869U (en) |
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2020
- 2020-08-31 CN CN202021856427.9U patent/CN213167869U/en active Active
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