CN2194842Y - Multifunctional automatic single-key windscreen wiper button - Google Patents

Multifunctional automatic single-key windscreen wiper button Download PDF

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Publication number
CN2194842Y
CN2194842Y CN 94237839 CN94237839U CN2194842Y CN 2194842 Y CN2194842 Y CN 2194842Y CN 94237839 CN94237839 CN 94237839 CN 94237839 U CN94237839 U CN 94237839U CN 2194842 Y CN2194842 Y CN 2194842Y
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circuit
control circuit
wiper
electronic switch
resistance
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Expired - Fee Related
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CN 94237839
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Chinese (zh)
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刘小平
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Individual
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Individual
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Abstract

The utility model relates to a multifunctional automatic single-key windscreen wiper button which is composed of a digital control circuit 1, an intermittent movement control circuit for a windscreen wiper 2, a slow speed movement control circuit for a windscreen wiper 3, a rapid speed movement control circuit for a windscreen wiper 4, a time delay movement control circuit for washing an electrical machine 5, an electric source display circuit 6, an electronic switch 7, an overload protection circuit 8, an overload indicator circuit 9, a current detection circuit 10, an electronic switch locking circuit 11, and a normally-open button AN of vehicles when used. The utility model is connected with a washing electrical machine block, a windscreen wiper intermittent block, a slow speed block, and a rapid speed block. The utility model has the advantages that water spraying is done before water scraping, which protects the wind screen, the overload protection and display are provided, and has the advantages of no mechanical wear and long service life.

Description

Multifunctional automatic single-key windscreen wiper button
The utility model relates to the used a kind of electric opening/closing device of vehicle windscreen wiper, is meant the multi-functional automatic water jetting wiper of a kind of singly-bound switch especially.
The wiper of present most vehicles all is furnished with water injecting system, so that clean Windshield.But facts have proved that chaufeur or stranger often start wiper (generally being fine) because maloperation under forgetting by the situation of water spray control button, cause silt particle or dust that glass is abraded, the time is dim and influence sight line once the long glass that makes.And the switch of wiper all is mechanical, and its weakness is that mechanical wear is big, and service life is short, and maintenance is inconvenient, and self is not with fender guard again, can not be in the situation incision deenergizing of load or line failure.
At the above-mentioned defective that the wiper switch exists, the purpose of this utility model is that a kind of first multi-functional automatic water jetting wiper of singly-bound switch of growing and having overload protection function service life of spraying water and afterwards starting wiper of guaranteeing is provided.
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 by digital control circuit 1, the wiper that contains relay J 1 intermittently transport control circuit 2, the wiper that contains relay J 2 is transported control circuit 3 at a slow speed, the wiper that contains relay J 3 is transported control circuit 4 fast, contain washing motor time-delay fortune control circuit 5, power display circuit 6, electronic switch 7, overload protecting circuit 8, overload indicating circuit 9, current detection circuit 10, the electronic switch locking circuit 11 of relay J p and often open button AN and form; The power input that digital control circuit 1, wiper are intermittently transported control circuit 2, washing motor time-delay fortune control circuit 5 and power display circuit 6 is parallel to E, F 2 points, wiper transport at a slow speed control circuit 3 and wiper transport fast the power input of control circuit 4 be parallel to 2 of H, F more again with the normally closed contact Jp of washing motor time-delay fortune control circuit 5 repeat circuit Jp -2Be in series J P-2The other end be connected to E point, relay J 1, J 2, J 3, J PThe line bag be connected in circuit 2 respectively to the load circuit of circuit 5, a switch terminals of electronic switch 7 is connected on the E point, the end of another switch terminals and button AN is connected in the G point, the control end of the control end of the button AN other end and digital control circuit 1 and electronic switch 7 is connected to the I point, the power input of overload indicating circuit 9 is attempted by G, F 2 points, relay J 1Normally closed contact J 1-2, J 2Normally closed contact J 2-2, J 3Normally closed contact J 3-2After the series connection, an end is connected in the I point mutually, and the input end of the other end and washing motor time-delay fortune control circuit 5 joins, and the mouth of digital control circuit 1 links to each other with the input end of circuit 2 to circuit 4 respectively; The mouth of electronic switch locking circuit 11 joins with the control end of electronic switch 7 and a power input of overload protecting circuit 8; another power input of circuit 8 is connected in the F point; and the control end of its input end and overload indicating circuit 9 all links to each other with the mouth of current detection circuit 10; a power input of circuit 10 is connected to G point, another power input and J 1Open contact J 1-1, J 2Open contact J 2-1, J 3Open contact J 3-1, J POpen contact J P-1An end be connected in K point, open contact J 1-1, J 2-1, J 3-1, J 4-1Other end A, B, C, D link to each other with the input end of electronic switch locking circuit 11 respectively.
The utility model with foregoing circuit structure is when concrete the use, with the battery feed V on the G among Fig. 1, the F termination vehicle C, A, B, C, D end is connect existing washing motor shelves on the vehicle, wiper intermittent duty shelves, wiper slow running shelves, wiper respectively moves shelves fast.Under normal circumstances, when the intermittent duty of needs wiper, press and often open button AN, power supply V CMake its conducting for electronic switch 7 increase control signals, the power supply power supply of entire circuit temporarily is in stand-by state, and power display circuit 6 is made power supply and shown.When pressing AN, power supply V CBy normally closed contact J 1-2, J 2-2, J 3-2Make washing motor time-delay fortune control circuit 5 work of having connected the input power supply, circuit 5 contained relay J PAdhesive, open contact J P-1Closure is connected washing motor and is made water spray operation; Meanwhile, power supply V CReturn 1 one of digital control circuits that obtain working power and trigger control signal, make circuit 1 output trigger control signal and intermittently transport control circuit 2, the relay J that circuit 2 is contained to wiper 1Adhesive, open contact J 1-1Closure is connected wiper and is done intermittent duty, J P-1And J 1-1Provide signal to electronic switch locking circuit 11 after the closure, make circuit 11 output control signals give electronic switch 7,, the power supply power supply of entire circuit is in the lock state to maintain the continuation conducting that button AN unclamps back electronic switch 7.J 1Though make contact J after the adhesive 1-2Disconnect and cut off the input circuit of washing motor time-delay fortune control circuit 5, but because this circuit 5 itself has time-delay fortune control effect, so can make relay J pAdhesive still can delay time and keep a time of adjusting and just discharge, thereby make the water spray operation of washing motor keep a time of adjusting and stop, to reach the purpose of protection Windshield.Do slow running as the need wiper, then only need to touch button AN for the second time on the basis of the above, transport control circuit 3 at a slow speed for wiper, make circuit 3 contained relay J just digital control circuit 1 is exported the triggering control signal again in regular turn 2Adhesive; Meanwhile, circuit 1 is gone back control circuit 2 repeat circuit J 1Discharge.Like this, contact J 2-1Closure and J 1-1Disconnect, wiper is just done slow running.Do operation fast as the need wiper, then touch button AN on the basis of the above for the third time, its principle of work is analogized.The 4th AN that pushes button in regular turn, then digital control circuit 1 zero clearing, wiper quits work.And in case when circuit or load is short-circuited or overcurrent and causing when transshipping phenomenon; big electric current just flows through current detection circuit 10; make circuit 10 output signals control overload protecting circuit 8 and overload indicating circuit 9; the current potential of the power input that circuit 8 work back itself and electronic switch 7 control ends connect together changes; being equivalent to provide a control signal turn-offs electronic switch 7 for electronic switch 7; so power supply Vc is cut off for circuit 1 to the current supply circuit of circuit 6; the relay that is in attracting state discharges; thereby circuit or load are protected, and circuit 9 is made the overload indicating fault simultaneously.
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, wiper is intermittently transported control circuit 2 and is also included aerotron T 2, diode D 2With D 5And resistance R 6, wiper is transported control circuit 3 at a slow speed and is also included aerotron T 3, diode D 3With D 6And resistance R 7, wiper is transported control circuit 4 fast and is also included aerotron T 4, diode D 4With D 7And resistance R 8, washing motor delay control circuit 5 also includes aerotron T 5, diode D 13, resistance R 11And capacitor C 3, power display circuit 6 is by LED 1, resistance R 9And capacitor C 1Form, electronic switch 7 is by aerotron T 1, diode D 8And resistance R 1Form, overload protecting circuit 8 is by controllable silicon SCR 2Constitute, overload indicating circuit 9 is by controllable silicon SCR 1, LED 2And resistance R 10Form, current detection circuit 10 is made of dry-reed tube GH, and electronic switch locking circuit 11 is by diode D 9To D 12And stabilivolt DW 1Form.1 end of button AN passes through R 3Be connected the R of IC with the CP end of IC 4Link to each other Q with its clear terminal R 1, Q 2, Q 3Respectively with D 2, D 3, D 4Positive pole join series connected successively normally closed contact J 1-2, J 2-2, J 3-2Pass through D 13With T 5Base stage link to each other, the I point of button AN is held and D 8Positive pole join diode D 9To D 12Positive pole link to each other and D respectively with A, B, C, D end 9To D 12Negative pole with and SCR 2Anode, D 8Negative pole and R 1Join, the coil L two ends of GH are connected between G, the K end, an end and the SCR of the open contact of GH 1Anode and R 10Join, and the other end is same and SCR 1And SCR 2Control extremely continuous.For the polarity that prevents power supply Vc connects instead, also can between the coil L of dry-reed tube GH one end and button AN, insert anti-polarity and meet anti-diode D 1The model of IC can adopt CD4017, often opens button AN and can adopt soft-touch type singly-bound conductive rubber button.
The principle of work of circuit is as follows among Fig. 2, and IC holds under input pulse effect at its CP, its R 1To Q 3End is exported high level in turn.In the moment that pushes button AN energized Vc, Vc is through D 1, AN, D 8Give T 1Base stage add forward bias, T 1Conducting, the power supply power supply temporarily is in stand-by state.When pressing AN, T 5Also get a base bias and conducting, J pAdhesive, and Vc passes through R 3Give trigging pulse of CP end of IC, make Q 1Upset is for high level, so T 2Conducting, J 1Adhesive, like this, contact J P-1, J 1-1All closed, Vc passes through D 9, D 12Give T 1Base stage provides forward bias, and the power supply power supply of entire circuit is in the lock state, and washing motor and wiper be shelves connection work intermittently, at this moment LED 1Also light the normal supply of expression power line voltage.J 1Though make J after the adhesive 1-2Disconnect, but because of electrically-charged C 3A period of time is kept T in the time-delay of can discharging 5Conducting, C 3After having discharged, T 5No forward bias is just ended, and just makes J pEnd, washing motor is out of service.Press for the second time AN, the Q of IC in regular turn 2Output high level (Q 1Output has become low level), T 3Conducting, J 2Adhesive, contact J 2-1Closure, wiper is in slow running.Press AN, then Q in regular turn for the third time 3The output high level, T 4Conducting, J 3Adhesive, contact J 3-1Closure, wiper are in quick operation.When needing to stop using wiper, press AN the 4th time in regular turn, then IC circuit zero clearing, Q 1To Q 3Be low level, T 2To T 4End J 1To J 3Discharge, at this moment T 5Also end J pAlso discharge, wiper is out of service.J P-1And J 1-1To J 3-1Disconnection, make T 1Base stage does not have forward bias, T 1End, the utility model entire circuit is refused work.DW 1Effect be to provide stable operating voltage to entire circuit.Therefore, as long as touch button AN, no matter mode of operation at which shelves, all is washing motor elder generation startup water spray (intermittently shelves is to spray, scrape the water combination) at every turn, through the automatic cut squirt circuit of time (3-10 second) that time delay circuit is adjusted, connect wiper work again.
When at work the overload phenomenon taking place for some reason, big electric current makes its closing of contact by the coil of dry-reed tube GH, and Vc passes through R 10Be added to SCR 1And SCR 2The control utmost point, SCR 1And SCR 2Conducting, T 1Base potential descends rapidly, T 1Trend is ended, and the power supply of entire circuit is supplied with and is cut off, and relay discharges, and circuit or load are protected.While LED 2Light expression circuit or load et out of order.
The utility model has following advantage compared with the prior art: (1) defencive function is complete. First water spray all before at every turn scraping water, this has just solved the problem of damaging glass because of silt particle or dust, has prolonged the service life of windshield; Also have simultaneously short circuit, overload protection function, increased functional reliability. (2) adopt electrodynamic type to replace mechanical type, machinery-free weares and teares and long service life. Use soft-touch type singly-bound conducting rubber button, simplified operation sequence. (3) intuitive display has power supply operation 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 (3)

1, the multi-functional automatic water jetting wiper of a kind of singly-bound switch is characterized in that:
A) it by digital control circuit (1), contain relay J 1Wiper intermittently transport control circuit (2), contain relay J 2Wiper transport control circuit (3) at a slow speed, the wiper that contains relay J 3 transports control circuit 4 fast, contains relay J pWashing motor time-delay fortune control circuit (5), power display circuit (6), electronic switch (7), overload protecting circuit (8), overload indicating circuit (9), current detection circuit (10), electronic switch locking circuit (11) and often open button AN and form;
B) digital control circuit (1), the wiper power input of intermittently transporting control circuit (2), washing motor time-delay fortune control circuit (5) and power display circuit (6) is parallel to E, F 2 points, wiper transport at a slow speed control circuit (3) and wiper transport fast the power input of control circuit (4) be parallel to 2 of H, F more again with washing motor time-delay fortune control circuit (5) repeat circuit J pNormally closed contact J P-2Be in series J P-2The other end be connected to E point, relay J 1, J 2, J 3, J pThe line bag be connected in circuit (2) respectively to the load circuit of circuit (5), a switch terminals of electronic switch (7) is connected on the E point, the end of another switch terminals and button AN is connected in the G point, the control end of the control end of the button AN other end and digital control circuit (1) and electronic switch (7) is connected to the I point, the power input of overload indicating circuit (9) is attempted by G, F 2 points, relay J 1Normally closed contact J 1-2, J 2Normally closed contact J 2-2, J 3Normally closed contact J 3-2After the series connection, an end is connected in the I point mutually, and the input end of the other end and washing motor time-delay fortune control circuit (5) joins, and the mouth of digital control circuit (1) links to each other with the input end of circuit (2) to circuit (4) respectively;
C) mouth of electronic switch locking circuit (11) joins with the control end of electronic switch (7) and a power input of overload protecting circuit (8); another power input of circuit (8) is connected in the F point; and the control end of its input end and overload indicating circuit (9) all links to each other with the mouth of current detection circuit (10); a power input of circuit (10) is connected to G point, another power input and J 1Open contact J 1-1, J 2Open contact J 2-1, J 3Open contact J 3-1, J pOpen contact J P-1An end be connected in K point, open contact J 1-1, J 2-1, J 3-1, J 4-1Other end A, B, C, D link to each other with the input end of electronic switch locking circuit (11) respectively.
2, the multi-functional automatic water jetting wiper of singly-bound as claimed in claim 1 switch 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, wiper is intermittently transported control circuit (2) and is also included aerotron T 2, diode D 2With D 5And resistance R 6, wiper is transported control circuit (3) at a slow speed and is also included aerotron T 3, diode D 3With D 6And resistance R 7, wiper is transported control circuit (4) fast and is also included aerotron T 4, diode D 4With D 7And resistance R 8, washing motor time-delay fortune control circuit (5) also includes aerotron T 5, diode D 13, resistance R 11And capacitor C 3, power display circuit (6) is by LED 1, resistance R 9And capacitor C 1Form, electronic switch (7) is by aerotron T 1, diode D 8And resistance R 1Form, overload protecting circuit (8) is by controllable silicon SCR 2Constitute, overload indicating circuit (9) is by controllable silicon SCR 1, LED 2And resistance R 10Form, current detection circuit (10) is made of dry-reed tube GH, and electronic switch locking circuit (11) is by diode D 9To D 12And stabilivolt DW 1Form.
3, the multi-functional automatic water jetting wiper of singly-bound as claimed in claim 2 switch is characterized in that, inserts anti-polarity and meet anti-diode D between the coil L of dry-reed tube GH one end and button AN 1
CN 94237839 1994-07-25 1994-07-25 Multifunctional automatic single-key windscreen wiper button Expired - Fee Related CN2194842Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94237839 CN2194842Y (en) 1994-07-25 1994-07-25 Multifunctional automatic single-key windscreen wiper button

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94237839 CN2194842Y (en) 1994-07-25 1994-07-25 Multifunctional automatic single-key windscreen wiper button

Publications (1)

Publication Number Publication Date
CN2194842Y true CN2194842Y (en) 1995-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94237839 Expired - Fee Related CN2194842Y (en) 1994-07-25 1994-07-25 Multifunctional automatic single-key windscreen wiper button

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CN (1) CN2194842Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108045345A (en) * 2017-12-01 2018-05-18 中车株洲电力机车有限公司 A kind of rail vehicle washing system and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108045345A (en) * 2017-12-01 2018-05-18 中车株洲电力机车有限公司 A kind of rail vehicle washing system and control method
CN108045345B (en) * 2017-12-01 2020-11-13 中车株洲电力机车有限公司 Rail vehicle washing system and control method

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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