CN2194835Y

CN2194835Y - Multifunctional automatic switching dimmer switch

Info

Publication number: CN2194835Y
Application number: CN 94237831
Authority: CN
Inventors: 刘小平
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-22
Filing date: 1994-07-22
Publication date: 1995-04-19
Anticipated expiration: 2004-07-22

Abstract

The utility model relates to a multifunctional automatic switching dimmer switch which is composed of a digital control circuit 1, a distant light and near light transform movement control circuit 2, an electronic switch 3, a distant light overload protection circuit 4, a distant light overload indicator circuit 5, an electric source display circuit 6, a near light overload protection circuit 7, an emergency near light overload protection circuit 8, a distant light current detection circuit 9, a near light current detection circuit 10, an emergency near light current detection circuit 11, an electronic switch locking circuit 12, and a normally-open keystroke AW1. The utility model is connected with a double-filament bulb with distant light filament, near light filament, and emergency near light filament. The utility model has the advantages of no mechanical wear, long service life, and multi-functions of overload protection and display function.

Description

Multifunctional automatic switching dimmer switch

The utility model relates to a kind of car lighting switch, is meant a kind of multi-functional automatic changing-over beam deflector switch that is used for head lamp especially.

The car lighting beam deflector switch that extensively adopts all is a mechanical switch now, wherein has also having of manual type foot-operated, and its action principle then is consistent, promptly applies external force by mechanical device and makes the contact displacement reach the purpose that is switched on or switched off load.But the problem that this class mechanical type switch exists is more.As the combined switch of present use, complex structure, manufacturing process is loaded down with trivial details, and major part is a plastic member, under the mode of operation of low-voltage, high-current, is easy to cause phenomenons such as deformation, ablation, shell fragment fatigue, make its life-span short, and can't repair, chaufeur is to be in the middle of the dynamicunbalance, during operating switch in the way of travelling in addition, exerting oneself, weight differs and speed is slow, sometimes do not put in place, firmly overstep the extreme limit sometimes, cause the switch permanent damage; Owing to be assembly set, accessory is less, and maintenance is inconvenient; Self is not with fender guard, can not be under the situation of load or line failure cut off, or the like.

Based on the above-mentioned defective of prior art, the purpose of this utility model is to provide to grow and have the multi-functional automatic changing-over beam deflector switch of overload protection function a kind of service life.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is an electric functional-block diagram of the present utility model;

Fig. 2 is the schematic diagram of a kind of physical circuit of Fig. 1 block scheme;

Referring to Fig. 1, solution of the present utility model is as follows.It is by digital control circuit 1, the far light and near light conversion fortune control circuit 2 that contains relay J b, electronic switch 3, distance light overload protecting circuit 4, distance light overload indicating circuit 5, power display circuit 6, the dipped beam overload protecting circuit 7 that contains relay J y, the emergent dipped beam overload protecting circuit 8 that contains relay J y ＇, distance light current detection circuit 9, dipped beam current detection circuit 10, emergent dipped beam current detection circuit 11, electronic switch locking circuit 12 and often open button AN ₁Form; Digital control circuit 1 is parallel to E, F 2 points with the power input of far light and near light conversion fortune control circuit 2; distance light overload indicating circuit 5, power display circuit 6, dipped beam overload protecting circuit 7 are parallel to G, F 2 points with the power input of emergent dipped beam overload protecting circuit 8; two switch terminals of electronic switch 3 are connected to E, G 2 points, button AN respectively ₁An end link to each other with the G point, the other end is connected to the H point mutually with the control end of digital control circuit 1 and the control end of electronic switch 3, the mouth of circuit 1 links to each other with the input end of circuit 2, the mouth of electronic switch locking circuit 12 joins with the control end of electronic switch 3 and a power input of distance light overload protecting circuit 4, another power input of circuit 4 is connected in the F point, the control end of the input end of circuit 4 and circuit 5 all joins with the mouth of distance light current detection circuit 9, and the input end of circuit 7 and circuit 8 is connected in the mouth of dipped beam current detection circuit 10 and emergent dipped beam current detection circuit 11 respectively; Relay J b, Jy, the line bag of Jy ＇ is connected in circuit 2 respectively, circuit 7, in the load circuit of circuit 8, the open contact Jb-1 of relay J b and the public moving contact of normally closed contact Jb-2 are terminated at the G point, one power input of the other end of Jb-1 and distance light current detection circuit 9 joins, the other end of Jb-2 links to each other with the normally closed contact Jy-1 of relay J y, one power input of the other end of Jy-1 and dipped beam current detection circuit 10 joins, the end of the open contact Jy-2 of relay J y is connected in the G point, normally closed contact J ＇ y-1 one end of the other end and relay J y ＇ joins, the J ＇ y-1 other end links to each other with a power input of emergent dipped beam current detection circuit 11, and the input end of another power input A of circuit 9 and electronic switch locking circuit 12 joins.

The utility model with foregoing circuit structure is when concrete the use, with the G among Fig. 1, F termination power supply Vc from lighting switch on the vehicle, headlight high beam filament with vehicle head

lamp bifilar bulb

13,14 in the A termination frame of broken lines of circuit 9, the dip filament of the B termination bifilar bulb 13 of circuit 10, the emergent dip filament of the C termination bifilar bulb 14 of circuit 11.Under normal circumstances, from the Vc energized of lighting switch open contact, power display circuit 6 is made power supply and is shown, simultaneously the dip filament work of connecting bifilar bulb 13 by normally closed contact Jb-2 and Jy-1.Because of electronic switch 3 disconnects, circuit 1 and circuit 2 are not worked.When the needs country beam, AN pushes button ₁, power supply Vc passes through AN ₁Add that control signal makes its conducting for electronic switch 3, the power supply power supply of switch circuit temporarily is in the marquis's state of keeping.Pressing AN ₁The time, power supply Vc triggers control signal for 1 one of digital control circuits that obtained working power, make circuit 1 output control signal give far light and near light conversion fortune control circuit 2, the relay J b adhesive that circuit 2 is contained, its normally closed contact Jb-2 disconnects and open contact Jb-1 closure, so the dip filament of bulb 13 extinguishes,

bulb

13 and 14 headlight high beam filament are bright, and power supply Vc provides signal to electronic switch locking circuit 12 input ends, make circuit 12 output control signals give electronic switch 3, to maintain button AN ₁Unclamp the continuation conducting of back electronic switch 3, the power supply power supply of switch circuit is in the lock state.During as the needs passing light, click AN again ₁Trigger control signal for again 1 one in circuit, circuit 1 is exported control signal again and is given circuit 2, relay J b is discharged, its contact Jb-1 disconnects and the Jb-2 closure,

bulb

13 and 14 headlight high beam filament extinguish and the dip filament of bulb 13 is bright, and the circuit 12 of electronic switch locking simultaneously turn-offs because of input end get out of hand signal output signal makes electronic switch 3, and circuit 1 and circuit 2 quit work.In case and circuit or load are when causing overload fault because of short circuit or overcurrent; transship as the headlight high beam filament circuit; big electric current flows through distance light current detection circuit 9; make circuit 9 output signals control distance light overload protecting circuit 4 and distance light overload indicating circuit 5; the current potential of the power input that circuit 4 work back itself and electronic switch 3 control ends connect together changes; being equivalent to provide a control signal turn-offs to electronic switch 3 and with electronic switch 3; so circuit 1 and circuit 2 quit work; relay J b discharges; Jb-1 disconnects and the Jb-2 closure;

bulb

13 and 14 headlight high beam filament loop are cut off and are protected; the dip filament connection work of bulb 13; meanwhile, circuit 5 is made the indication of distance light overload fault.If the dip filament circuit transships; then big electric current flows through dipped beam current detection circuit 10; make circuit 10 output signals control dipped beam overload protecting circuit 7; circuit 7 contained relay J y adhesives; its normally closed contact Jy-1 disconnects and open contact Jy-2 closure; so the dip filament loop of bulb 13 is cut off and is protected, the emergent dip filament of bulb 14 is lighted work, also can press AN again simultaneously ₁Make the distance light loop works.If emergent dip filament circuit generation overload fault; then big electric current flows through emergent dipped beam current detection circuit 11; make the emergent dipped beam overload protecting circuit 8 of circuit 11 output signals control; circuit 8 contained relay J ＇ y adhesives; its normally closed contact J ＇ y-1 disconnects; so the emergent dip filament loop of bulb 14 is cut off and is protected, but do not influence the work in distance light loop this moment.

Referring to Fig. 2, in this embodiment, digital control circuit 1 is by decade counter/frequency divider IC, stabilivolt DW ₂, resistance R ₂To R ₅And capacitor C ₂Form, far light and near light conversion fortune control circuit 2 also includes aerotron T ₂, LED ₃, diode D ₄And resistance R ₆, electronic switch 3 is by aerotron T ₁, diode D ₂And resistance R ₁Form, distance light overload protecting circuit 4 is by controllable silicon SCR ₁Constitute, distance light overload indicating circuit 5 is by controllable silicon SCR ₂, LED ₂And resistance R ₇Form, power display circuit 6 is by LED ₁, resistance R ₈And capacitor C ₁Form, dipped beam overload protecting circuit 7 also includes controllable silicon SCR ₃, LED ₄And resistance R ₉, emergent dipped beam overload protecting circuit 8 also includes controllable silicon SCR ₄, distance light current detection circuit 9 is by dry-reed tube GH ₁And resistance R ₁₀Form, dipped beam current detection circuit 10 and emergent dipped beam current detection circuit 11 are respectively by dry-reed tube GH ₂With dry-reed tube GH ₃Constitute, electronic switch locking circuit 12 is by diode D ₅And stabilivolt DW ₁Form.Button AN ₁B point end pass through R ₃Be connected the R of IC with the CP end of IC ₂Link to each other R with its clear terminal R ₁With LED ₃Positive pole join button AN ₁H point end and D ₂Positive pole link to each other diode D ₅Positive pole and A end join and D ₅Negative pole with and SCR ₁Anode, D ₂Negative pole and R ₁Link to each other GH ₁Coil L ₁, GH ₂Coil L ₂And GH ₃Coil L ₃Link to each other L with contact Jb-1, Jy-1 and J ＇ y-1 respectively ₁, L ₂And L ₃The other end be connected to A, B, C end, GH respectively ₁, GH ₂And GH ₃Open contact an end all and R ₁₀Link to each other R ₁₀The other end is connected on G point, GH ₁The other end and the SCR of open contact ₁And SCR ₂Control extremely continuous, GH ₂And GH ₃Open contact the other end respectively with SCR ₃And SCR ₄The control utmost point join.For the polarity that prevents power supply Vc connects instead, also can be at common port and the button AN of contact Jb-1, Jb-2 and Jy-2 ₁Between insert anti-polarity and meet anti-diode D ₁In order to use the signal of overtaking other vehicles, also can add and often open button AN ₂With diode D ₃, AN ₂An end and AN ₁And T ₁The point of connection of base stage joins, AN ₂The other end and D ₃Positive pole and LED ₃Negative pole link to each other D ₃Negative pole and D ₂And D ₅Negative pole join.The model of IC can adopt CD4017, often opens button AN ₁Can adopt soft-touch type conductive rubber button.

The principle of work of circuit is as follows among Fig. 2.After power supply Vc connects, LED ₁Light, Vc is by contact Jb-2, Jy-1 and L ₂Connect the dip filament work of bulb 13.When needing country beam, AN pushes button ₁, Vc is through D ₁, AN ₁, D ₂Give T ₁Add forward bias, T ₁AN is being pressed in conducting ₁The time, Vc gives trigging pulse of CP end of IC, R ₁Be turned into high level by low level, T ₂Conducting, the Jb adhesive, the Jb-1 closure,

bulb

13 and 14 headlight high beam filament are bright, and Jb-2 disconnects, and the dip filament of bulb 13 goes out, and Vc is through D ₅Give T ₁With positive bias, with switch circuit locking, LED at this moment ₃Light and do the distance light indication.During as the need passing light, press AN again ₁, give another trigging pulse of CP, R ₁Be turned into low level, T ₂End, Jb discharges, and Jb-1 disconnects and the Jb-2 closure, the dip filament work of bulb 13, and

bulb

13 and 14 headlight high beam filament extinguish T ₁No-bias and turn-offing.

When at work the overload phenomenon taking place for some reason, as the headlight high beam filament circuit overload, big electric current flows through dry-reed tube GH ₁Coil, make its closing of contact, Vc passes through R ₁₀Be added to SCR ₁And SCR ₂The control utmost point and make two silicon control conductings, T ₁Base potential descends, T ₁Trend is ended, and relay J b discharges, and Jb-1 disconnects and the distance light circuit is protected, and LED ₂Light, indication fault exists, and the Jb-2 closure is connected the dipped beam line work simultaneously.If the dip filament circuit overload, then big electric current flows through dry-reed tube GH ₂Coil, make controllable silicon SCR ₃Conducting, relay J y adhesive, Jy-1 disconnects and the dipped beam circuit is protected, LED ₄Light, indication fault exists, and the Jy-2 closure is connected emergent dipped beam line work simultaneously.If emergent dipped beam circuit overload, then big electric current flows through dry-reed tube GH ₃Coil, make controllable silicon SCR ₄Conducting, relay J ＇ y adhesive, J ＇ y-1 disconnects and emergent dipped beam circuit is protected.When the passing light light yellow and need to use when overtaking other vehicles signal, AN pushes button ₂, Vc is through AN ₂, D ₃To T ₁Base stage, T ₁Conducting, meanwhile Vc is also through AN ₂Give T ₂Base stage adds forward bias, T ₂Conducting, the Jb adhesive, headlight high beam filament is bright and dip filament goes out, and unclamps AN ₂, then headlight high beam filament goes out and dip filament is bright, like this repeatable operation AN ₂Several times, need overtake other vehicles to show.

The utility model has following advantage compared with the prior art: (1) adopts electrodynamic type to replace mechanical type in design, machinery-free wearing and tearing, long service life. Use the soft-touch type conducting rubber button, simplified operation sequence. (2) multiple functional. Not only have automatic changing-over function, can automatically connect the fault-free circuit, also have overload protection function, can both automatically excise fault no matter be out of order in which loop. (3) intuitive display has power supply demonstration and fault and shows. (4) have the electric power polarity recognition function and taked the voltage stabilizing measure. (5) wiring is easy, is applicable to various vehicles.

Claims

1, a kind of multi-functional automatic changing-over beam deflector switch is characterized in that:

A) it is by digital control circuit (1); the far light and near light conversion fortune control circuit (2) that contains relay J b; electronic switch (3); distance light overload protecting circuit (4); distance light overload indicating circuit (5); power display circuit (6); the dipped beam overload protecting circuit (7) that contains relay J y; the emergent dipped beam overload protecting circuit (8) that contains relay J y '; distance light current detection circuit (9); dipped beam current detection circuit (10); emergent dipped beam current detection circuit (11); electronic switch locking circuit (12) reaches often opens button AN ₁Form;

B) digital control circuit (1) is parallel to E, F 2 points with the power input of far light and near light conversion fortune control circuit (2); distance light overload indicating circuit (5), power display circuit (6), dipped beam overload protecting circuit (7) are parallel to G, F 2 points with the power input of emergent dipped beam overload protecting circuit (8); two switch terminals of electronic switch (3) are connected to E, G 2 points, button AN respectively ₁An end link to each other with the G point, the other end is connected to the N point mutually with the control end of digital control circuit (1) and the control end of electronic switch (3), the mouth of circuit (1) links to each other with the input end of circuit (2), the mouth of electronic switch locking circuit (12) joins with the control end of electronic switch (3) and a power input of distance light overload protecting circuit (4), another power input of circuit (4) is connected in the F point, the control end of the input end of circuit (4) and circuit (5) all joins with the mouth of distance light current detection circuit (9), and the input end of circuit (7) and circuit (8) is connected in the mouth of dipped beam current detection circuit (10) and emergent dipped beam current detection circuit (11) respectively;

C) the line bag of relay J b, Jy, Jy ' is connected in respectively in the load circuit of circuit (2), circuit (7), circuit (8), the open contact Jb of relay J b _-1With normally closed contact Jb _-2Public moving contact be terminated at G point, Jb _-1The other end and a power input of distance light current detection circuit (9) join Jb _-2The other end and the normally closed contact J of relay J y _Y-1Link to each other J _Y-1The other end and dipped beam electric current examine then that a power input of circuit (10) joins relay J _yOpen contact J _Y-2An end be connected in G point, the other end and relay J _y' normally closed contact J ' _Y-1One end joins, J ' _Y-1The other end links to each other with a power input of emergent dipped beam current detection circuit (11), and the input end of another power input A of circuit (9) and electronic switch locking circuit (12) joins.

2, multi-functional automatic changing-over beam deflector switch as claimed in claim 1 is characterized in that digital control circuit (1) is by decade counter/frequency divider IC, stabilivolt DW ₂, resistance R ₂To R ₅And capacitor C ₂Form, far light and near light conversion fortune control circuit (2) also includes aerotron T ₂, LED ₃, diode D ₄And resistance R ₆, electronic switch (3) is by aerotron T ₁, diode D ₂And resistance R ₁Form, distance light overload protecting circuit (4) is by controllable silicon SCR ₁Constitute, distance light overload indicating circuit (5) is by controllable silicon SCR ₂, LED ₂And resistance R ₇Form, power display circuit (6) is by LED ₁, resistance R ₈And capacitor C ₁Form, dipped beam overload protecting circuit (7) also includes controllable silicon SCR ₃, LED ₄And resistance R ₉, emergent dipped beam overload protecting circuit (8) also includes controllable silicon SCR ₄, distance light current detection circuit (9) is by dry-reed tube GH ₁And resistance R ₁₀Form, dipped beam current detection circuit (10) and emergent dipped beam current detection circuit (11) are respectively by dry-reed tube GH ₂With dry-reed tube GH ₃Constitute, electronic switch locking circuit (12) is by diode D ₅And stabilivolt DW ₁Form.

3, multi-functional automatic changing-over beam deflector switch as claimed in claim 2 is characterized in that, at common port and the button AN of contact Jb-1, Jb-2 and Jy-2 ₁Between insert anti-polarity and meet anti-diode D ₁

4, as claim 2,3 described multi-functional automatic changing-over beam deflector switchs, it is characterized in that, also be added with and often open button AN ₂With diode D ₃, AN ₂An end and AN ₁And T ₁The point of connection of base stage joins, AN ₂The other end and D ₃Positive pole and LED ₃Negative pole link to each other D ₃Negative pole and D ₂And D ₅Negative pole join.