CN2207306Y - Multifunctional single key multi-stage headlight switch - Google Patents
Multifunctional single key multi-stage headlight switch Download PDFInfo
- Publication number
- CN2207306Y CN2207306Y CN 94238113 CN94238113U CN2207306Y CN 2207306 Y CN2207306 Y CN 2207306Y CN 94238113 CN94238113 CN 94238113 CN 94238113 U CN94238113 U CN 94238113U CN 2207306 Y CN2207306 Y CN 2207306Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- taillight
- electronic switch
- control circuit
- side light
- 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
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Abstract
The utility model relates to a multifunctional single key multi-stage headlight switch, which is composed of a digital control circuit (1), a movement control circuit for front small lights and tail lights (2), an electronic switch (3), an overload protection circuit for front small lights and tail lights (4), a movement control circuit for front headlights (5), an electric source display circuit (6), an electronic switch (7), an electronic switch locking circuit (8), a current detection circuit for front small lights and tail lights (9), and normally-open keystroke AN. The utility model is connected with the front small lights, tail lights and front headlights in a vehicle, which is replaced the existing mechanical type multi-stage switch. The utility model has the advantages of no mechanical wear, long service life, and convenient operations and maintenance. The utility model has the functions of multi-stage automatic switching and overloading fault protection, and provides source of power display and overloading failure indication.
Description
The utility model relates to the master cock of a kind of car lighting lamp and signal lamp, specifically is meant a kind of singly-bound multifunctional car light multi-gear switch.
Existing car light multi-gear switch, what extensively adopt is mechanical switch, and the manually plug-type manual rotary that also has is wherein arranged, 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 singly-bound multifunctional car light multi-gear 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 side light taillight fortune control circuit 2, electronic switch 3, the side light taillight overload protecting circuit 4 that contain relay J x, the headlight taillight fortune control circuit 5 that contains relay J d, power display circuit 6, electronic switch 7, electronic switch locking circuit 8, side light taillight current detection circuit 9 and often open button AN and form; Digital control circuit 1, side light taillight overload protecting circuit 4, headlight taillight fortune control circuit 5 is parallel to E with the power input of power display circuit 6, F 2 points, one power input of side light taillight fortune control circuit 2 and a switch terminals of electronic switch 3 are connected to the G point, another power input then is connected to the F point, another switch terminals of electronic switch 3 and a switch terminals of electronic switch 7 all link to each other with the E point, the end of button AN is connected to the H point mutually with the control end of the control end of digital control circuit 1 and electronic switch 7, one power input of another switch terminals of the button AN other end and electronic switch 7 and side light taillight current detection circuit 9 is connected in the I point, one mouth of digital control circuit 1 links to each other with the input end of preceding little taillight fortune control circuit 2, and another mouth joins with the input end of side light taillight fortune control circuit 2 and the input end of headlight taillight fortune control circuit 5 respectively, the mouth of side light taillight overload protecting circuit 4 links to each other with the control end of electronic switch 3, and the mouth of the input end of circuit 4 and side light taillight current detection circuit 9 joins, and the mouth of electronic switch locking circuit 8 is connected in the control end of electronic switch 7; Relay J x, the line bag of Jd is connected to circuit 2, in the load circuit of circuit 5, open contact Jx-2 one end of relay J x and normally closed contact Jd-2 one end of relay J d all join with another power input of side light taillight current detection circuit 9, the end of the open contact Jx-1 of Jx links to each other with the Jd-2 other end, one input end of the Jx-1 other end and electronic switch locking circuit 8 is connected in the J point, the Jx-2 other end forms mouth K, the end of the open contact Jd-1 of Jd and I point join, and another input end of the Jd-1 other end and electronic switch locking circuit 8 is connected in the L point.
The utility model with foregoing circuit structure is when concrete the use, with the I among Fig. 1, F, termination power supply Vc from source switch on the vehicle, with the J among Fig. 1, the K end filament of vehicle side light 10 and taillight 11 in the external frame of broken lines respectively, with the L end by the multi-functional automatic changing-over beam deflector switch 13(of applicant's design-calculated separate case application) and frame of broken lines in vehicle headlight bifilar bulb 12 join.Under normal circumstances, when needs side light 10 and taillight 11 are bright, the AN that pushes button, power supply Vc adds that control signal makes its conducting for electronic switch 7 by AN, and the power supply power supply of switch circuit temporarily is in stand-by state.When pressing AN, power supply Vc triggers control signal for 1 one of digital control circuits that obtained working power, makes circuit 1 output control signal give side light taillight fortune control circuit 2, the relay J x adhesive that circuit 2 is contained, its open contact J
X-1And J
X-2Closed, so side light 10 and taillight 11 are bright, and power supply Vc provides signal to electronic switch locking circuit 8 input ends, makes circuit 8 output control signals give electronic switch 7, to maintain the continuation conducting that button AN unclamps back electronic switch 7, the power supply of switch circuit is in the lock state.When needs headlight and taillight are bright, click AN again, trigger control signal for again 1 one in circuit, circuit 1 output control signal is given headlight taillight fortune control circuit 5 and lampet taillight fortune control circuit 2, make circuit 5 and circuit 2 contained relay J d and all adhesives of Jx respectively, thereby make J
X-1, J
X-2, J
D-1Closure, J
D-2Disconnect, so headlight 12 and taillight 11 are bright, and power supply Vc provides signal to electronic switch locking circuit 8 input ends, makes circuit 8 output control signals give electronic switch 7, keep the conducting of electronic switch 7, make the power supply power supply of switch circuit keep lock-out state.After electronic switch 7 conductings, power display circuit 6 is just made power supply and is shown.When wanting withdraw from use vehicle light, click AN again, circuit 1 output signal control circuit 5 and circuit 2 repeat circuit Jd and Jx discharge, and headlight 12 and taillight 11 extinguish, and electronic switch 7 disconnects, and entire circuit quits work.When side light 10 and taillight 11 are lighted because of circuit or load is short-circuited or overcurrent when causing overload fault; big electric current just flows through side light taillight current detection circuit 9; make circuit 9 output signals control side light taillight overload protecting circuit 4; circuit 4 output control signals are turn-offed to electronic switch 3 and with electronic switch 3; so circuit 1 and circuit 2 quit work; relay J x discharges, J
X-1And J
X-2Disconnect, the current supply circuit of side light 10 and taillight 11 is cut off and is protected.As for the protection of headlight 12, needing to cooperate aforementioned multi-functional automatic changing-over beam deflector switch 13 just to possess has defencive function.
Referring to Fig. 2, in this embodiment, digital control circuit 1 is by decade counter/frequency divider IC, stabilivolt DW
2, resistance R
4To R
7And capacitor C
2Form, side light taillight fortune control circuit 2 also includes aerotron T
3, diode D
3, diode D
5With D
6And resistance R
8, electronic switch 3 is by aerotron T
2Constitute, side light taillight overload protecting circuit 4 is by controllable silicon SCR, LED
2And resistance R
3With R
9Form, headlight taillight fortune control circuit 5 also includes aerotron T
4, diode D
4With D
7And resistance R
10, power display circuit 6 is by LED
1And resistance R
2Form, electronic switch 7 is by aerotron T
1, diode D
2And resistance R
1Form, electronic switch locking circuit 8 is by diode D
8With D
9And stabilivolt DW
1Form, side light taillight current detection circuit 9 is made of dry-reed tube GH.The H point end of button AN passes through R
5Be connected the Q of IC with the cp end of JC
3Link to each other D with its clear terminal R
1With D
3Positive pole join R
2With D
4And D
5Positive pole link to each other, the H point of button AN is held and D
2Positive pole link to each other D
2Negative pole and D
8, D
9, DW
1Negative pole and R
1One end joins, D
8, D
9, DW
1Positive pole be connected in J, L, F point, T respectively
1And T
2Emitter be connected to E point and G point, T respectively
1And T
2Collecting electrode be connected to I point and E point respectively, the coil L one of GH terminates at the I point, the other end and contact J
X-2, J
D-2Link to each other, one of the open contact of GH terminates at I point, the other end and R
9Link to each other the anode of SCR and T
2Base stage and R
3One end joins.For the polarity that prevents power supply Vc connects instead, also can meet anti-diode D at the coil L of dry-reed tube GH and anti-polarity of point of connection I grafting of button AN
1The model of IC can adopt CD4071, often opens button AN and can adopt soft-touch type conductive rubber button.
The principle of work of circuit is as follows among Fig. 2.After power supply Vc connects, when needs side light 10 and taillight 11 are bright, click button AN, Vc is through D
1, AN, D
2Give T
1Add positive bias, T
1Conducting, when pressing AN, Vc gives trigging pulse of cP end of IC, its Q
1Be turned into high level by low level, T
3Conducting, Jx adhesive, J
X-1With J
X-2Closure, side light 10 and taillight 11 are bright, and Vc is through D
8Give T
1With positive bias, with switch circuit locking, LED at this moment
1Light and do the power supply indication.When extinguishing, then click AN again, hold another trigging pulse, Q for the CP of IC as the bright and side light of need headlight 12 and taillight 11
2Be turned into high level, T
4With T
3Conducting, Jd and Jx adhesive, J
X-1, J
X-2, J
D-1Closure, J
D-2Disconnect, headlight 12 and taillight 11 are bright, and side light extinguishes, and when wanting withdraw from use vehicle light, clicks AN again, the internal circuit automatic clear of IC, Q
1, Q
2Be low level, T
3And T
4End, Jd and Jx discharge, and headlight 12 extinguishes with taillight 11.If when headlight 12 and taillight 11 are bright, also need side light 10 to light simultaneously, then 2 of W, N among Fig. 2 can be linked to each other.
When side light and taillight were lighted, if the overload phenomenon takes place the loop, place, then big electric current flow through the coil L of dry-reed tube GH, makes the open contact closure of GH, and Vc passes through R
9Be added to the control utmost point of SCR, make the SCR conducting, T
2Base potential descends, T
2Trend is ended, and relay J x dead electricity discharges, J
X-1And J
X-2Disconnect and make circuit protected, LED simultaneously
2Light the existence of indication fault.
The utility model has following advantage compared with the prior art: 1. adopt in design electrodynamic type to replace mechanical type, and the machinery-free wearing and tearing, long service life, Operation and Maintenance is convenient. Use soft-touch type singly-bound conducting rubber button, simplified operation sequence. 2. multiple functional, not only have many grades of auto-conversion functions, also have overload protection and fault indication function. 3. intuitive display has power supply and shows and indicating fault. 4. have electric power polarity identification and taked the voltage stabilizing measure. 5. wiring is easy, is applicable to various vehicles.
Claims (3)
1, a kind of singly-bound multifunctional car light multi-gear switch is characterized in that:
A) it by digital control circuit (1), contain relay J
xSide light taillight fortune control circuit (2), electronic switch (3), side light taillight overload protecting circuit (4), contain relay J
dHeadlight taillight fortune control circuit (5), power display circuit (6), electronic switch (7), electronic switch locking circuit (8), side light taillight current detection circuit (9) and often open button AN and form;
B) digital control circuit (1), side light taillight overload protecting circuit (4), headlight taillight fortune control circuit (5) is parallel to E with the power input of power display circuit (6), F 2 points, one power input of side light taillight fortune control circuit (2) and a switch terminals of electronic switch (3) are connected to the C point, another power input then is connected to the F point, another switch terminals of electronic switch (3) and electronic switch (7) one switch terminals link to each other with the E point, the end of button AN is connected to the H point mutually with the control end of digital control circuit (1) and the control end of electronic switch (7), one power input of another switch terminals of the button AN other end and electronic switch (7) and side light taillight current detection circuit (9) is connected in the I point, one mouth of digital control circuit (1) links to each other with the input end of preceding little taillight fortune control circuit (2), and another mouth joins with the input end of side light taillight fortune control circuit (2) and the input end of headlight taillight fortune control circuit (5) respectively, the mouth of side light taillight overload protecting circuit (4) links to each other with the control end of electronic switch (3), and the mouth of the input end of circuit (4) and side light taillight current detection circuit (9) joins, and the mouth of electronic switch locking circuit (8) is connected in the control end of electronic switch (7);
C) relay J
x, J
dThe line bag be connected in the load circuit of circuit (2), circuit (5) relay J
xOpen contact J
X-2One end and relay J
dNormally closed contact J
D-2One end all joins J with another power input of side light taillight current detection circuit (9)
xOpen contact J
X-1An end and J
D-2The other end links to each other, J
X-1One input end of the other end and electronic switch locking circuit (8) is connected in J point, J
X-2The other end forms mouth K, J
dOpen contact J
D-1An end and I point join J
D-1Another input end of the other end and electronic switch locking circuit (8) is connected in the L point.
2, singly-bound multifunctional car light multi-gear 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
4To R
7And capacitor C
2Form, side light taillight fortune control circuit (2) also includes aerotron T
3, diode D
3, diode D
5With D
6And resistance R
8, electronic switch (3) is by aerotron T
2Constitute, side light taillight overload protecting circuit (4) is by controllable silicon SCR, LED
2And resistance R
3With R
9Form, headlight taillight fortune control circuit (5) also includes aerotron T
4, diode D
4With D
7And resistance R
10, power display circuit (6) is by LED
1And resistance R
2Form, electronic switch (7) is by aerotron T
1, diode D
2And resistance R
1Form, electronic switch locking circuit (8) is by diode D
8With D
9And stabilivolt DW
1Form, side light taillight current detection circuit (9) is made of dry-reed tube GH.
3, singly-bound multifunctional car light multi-gear switch as claimed in claim 2 is characterized in that, meets anti-diode D at the coil L of dry-reed tube GH and anti-polarity of point of connection I grafting of button AN
1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94238113 CN2207306Y (en) | 1994-08-30 | 1994-08-30 | Multifunctional single key multi-stage headlight switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94238113 CN2207306Y (en) | 1994-08-30 | 1994-08-30 | Multifunctional single key multi-stage headlight switch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2207306Y true CN2207306Y (en) | 1995-09-13 |
Family
ID=33845610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 94238113 Expired - Fee Related CN2207306Y (en) | 1994-08-30 | 1994-08-30 | Multifunctional single key multi-stage headlight switch |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2207306Y (en) |
-
1994
- 1994-08-30 CN CN 94238113 patent/CN2207306Y/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 |