CN1081295A - Intermitter for wiper of vehicle - Google Patents
Intermitter for wiper of vehicle Download PDFInfo
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- CN1081295A CN1081295A CN 92105550 CN92105550A CN1081295A CN 1081295 A CN1081295 A CN 1081295A CN 92105550 CN92105550 CN 92105550 CN 92105550 A CN92105550 A CN 92105550A CN 1081295 A CN1081295 A CN 1081295A
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- Prior art keywords
- capacitor
- resistance
- integrated package
- wiper
- relay
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Abstract
A kind of Intermitter for wiper of vehicle that can Control of Automobile windscreen wiper assembly be in the discontinuous operation state, it is to fix an end cap at existing rectangular housing openend, fix three binding posts on the end cap respectively, in its housing, make corresponding chute on the and arranged on left and right sides wooden partition, circuit board is inserted the chute internal fixation, electronic component is contained in circuit board top, it can not only start the back triggering and conducting once and can also wait for triggering and conducting next time by the time of setting (intermittently) fast, constantly periodic duty reaches the intermittently purpose of Control of Automobile windscreen wiper assembly work.
Description
The present invention relates to a kind of Control of Automobile wiper assembly intermittently used Intermitter for wiper of vehicle.
At present the wiper on the domestic automobile only is applicable to that automobile uses under big, moderate rain weather condition, as when running into light rain, mist, snow weather, usually need wiper to swing at regular intervals once, to scrape off rain, mist, the snow on the windshield, the driver feels inconvenience deeply at set intervals with regard to switch of handy manual manipulation like this.External automobile mostly is furnished with windscreen wiper apparatus at intermittence and is used for controlling wiper assembly discontinuous operation, but this windscreen wiper intermittently device all exists circuit complexity, slow, (after connecting switch the being arranged an initial stand-by period) shortcoming that the big cost of volume is high of toggle speed, is not suitable for the national conditions of China.
The objective of the invention is to avoid above-mentioned weak point of the prior art and provide a kind of startup rapid stable performance, the simple low price of circuit, volume are urinated in the Intermitter for wiper of vehicle of installing.
The object of the present invention is achieved like this: fix an end cap at existing rectangular housing openend, fix three binding posts on the end cap respectively, make corresponding chute in its housing on the and arranged on left and right sides wooden partition, electronic component is contained in circuit board top, circuit board is inserted chute fix.Intermitter for wiper of vehicle is by 1. NE555 integrated package and resistance R
2, R
3Capacitor C
2, C
3, C
5Intermittent controller with the relay J composition; 2. resistance R
1Capacitor C
1Quick starter with triode BG composition; 3. inductance L capacitor C
4The power-supply filter of forming, three parts constitute.Adorn a NE555 integrated package on the circuit board, a relay J is adorned in its top, and relay left dress inductance L is in NE555 integrated package upper left side dress capacitor C
4, C
1Resistance R
1, down adorn triode BG, capacitor C
2, diode D, upper right side dress capacitor C
5, C
3, down adorn resistance R
3, R
2The intermittent control circuit of Intermitter for wiper of vehicle is: resistance R
2Be connected between A, the B resistance R
3Be connected between B, the F capacitor C
2Be connected between F, the G capacitor C
5Be connected between A, the E capacitor C after relay J is in parallel
3Be connected between NE555 integrated package 5 pin and the G.Fast start circuit is: resistance R
1Be connected between A, the H capacitor C
1Be connected between H, the G, triode BG base stage, collector electrode, emitter link to each other with H, F, A point respectively.Electric source filter circuit is: inductance L is connected between M, the A, capacitor C
4Be connected between A, the G.Diode D head connects N end tail and connects the G end.Resistance R
2, R
3Capacitor C
2The charge-discharge circuit of forming the NE555 integrated package, 2,6 pin of NE555 integrated package are that current potential detects pin, and 7 pin are upset discharge pin, and 4,8 pin are positive source pin, and 1 pin is the power cathode pin, and 3 pin are power drive pin, and 5 pin are internal comparator control level pin.Insert capacitor C
3Can stablize the comparator reference voltage, prevent that reference voltage fluctuates and the false triggering that causes.Capacitor C
5Be that buffer capacitor is to stablize NE555 integrated package working point.Relay J is an electronic switch, is used for controlling the wiper assembly.Diode D prevents error-polarity connection of power supply, shields.Resistance R
1Capacitor C
1Form quick starter with triode BG, it just works when each the startup, then ends.Inductance L and capacitor C
4Form power-supply filter and be used for absorbing external interference noise, guarantee that the DC source quality prevents the false triggering of NE555 integrated package.If change resistance R
2, R
3The resistance sum can change capacitor C
2Charging interval, also just changed flip-flop transition of NE555 integrated package; Change resistance R
3Resistance, can change capacitor C
2Discharge time, also just changed resetting time of NE555 integrated package; Change resistance R
1Resistance, can change capacitor C
1Charging interval, also just changed triode BG to capacitor C
2Charging interval, cooperate to change resistance R
2, R
3Resistance, can obtain required ON time T
1With intermittent time T
2Can clearly find out with the numeral expression formula:
If: T
1Be ON time, T
2Be the intermittent time, 0.69 is coefficient.
Then: T
1≈ 0.69R
3C
2
T
2≈0.69（R
2+R
3）C
2
Draw according to related standards: T
1≈ 0.6 second, T
2≈ 7 seconds.
Circuit working principle of the present invention: with K switch
1When being incorporated into intermittently contact a, capacitor C
1Also do not have enough time to charge, the H point is electronegative potential, triode BG conducting, and electric current is held through triode BG emitter, collector electrode to capacitor C from A
2Charging, electric current is held through resistance R from A simultaneously
1, triode BG base stage is to capacitor C
1Charging, capacitor C
1Electric weight constantly increase, H point current potential increases, triode BG ends, and stops capacitor C
2Charging.At this moment capacitor C
2, F point current potential reached 2/3 trigger voltage of NE555 integrated package power supply, the upset of NE555 integrated package, 3 pin are electronegative potential and drive relay J adhesive, K
2Connect control circuit, 7 pin become electronegative potential simultaneously, and pass through resistance R
3, NE555 integrated package 1 pin constitutes capacitor C
2Discharge loop, capacitor C
2Current potential constantly descends, and when reducing to NE555 integrated package power supply 1/3 resetting voltage when following, the NE555 integrated package resets, and 3 pin are high potential, and relay J discharges, K
2Disconnect control circuit, at this moment capacitor C
2Be the electronegative potential of 1/3 power supply, owing to triode BG ends, so fast start circuit is inoperative.Electric current is held through resistance R from A again
2, R
3To capacitor C
2Charging, capacitor C
2Electric weight constantly increases, when F point current potential raises when reaching 2/3 power supply trigger voltage gradually, and the upset of NE555 integrated package, 3 pin are electronegative potential, relay J adhesive, K
2Connect control circuit, 7 pin become electronegative potential simultaneously, and constitute capacitor C with 1 pin
2Discharge loop, capacitor C
2Electric weight reduces, and F point current potential descends, and when dropping to NE555 integrated package power supply 1/3 resetting voltage, the NE555 integrated package resets, and 3 pin are high potential, and relay J discharges, K
2Disconnect control circuit, one-period is finished, and so continuous periodic duty is until cut-off switch K
1Finish.
The vehicle wiper entire work process is such: work as K switch
1When moving intermittently position a to, Intermitter for wiper of vehicle must be established beginning work by cable, relay J adhesive K
2Connect control circuit, motor rotates, and drives the location brush that slides simultaneously and enters endless glide, Intermitter for wiper of vehicle K
2Through disconnecting after 0.6 second the triggering and conducting, this moment is because the location brush that slides has entered endless glide, so windscreen wiper assembly circuit can not cut off the power supply and stop operating, having only could cut off the power supply when the location brush turns to the endless glide indentation, there stops, after treating 7 seconds intermittences, new one-period begins, and repeats above process, constantly circulation is gone down, and guarantees that automobile drives safely in light rain, mist, snow.When heavy rain weather, with K switch
1Move long logical position b to, the windscreen wiper assembly just gyrates, and the time spent is not moved the centre position to.
Owing to adopt above-mentioned design, so when automobile is installed Intermitter for wiper of vehicle after, as when running into light rain, mist, snow weather, the driver needs only K switch
1After moving position a at intermittence to, vehicle wiper just enters intermittently Control work state, and driver's work ethos is concentrated, and reduces unsafe factor, and energy-conservation economize on electricity, reduces vehicle wiper unnecessary mechanical wear under the logical state of length, prolongs its useful life.Usually the windscreen wiper of external automobile intermittently device start-up time mostly be will wait for principal's time after a resting period, (5～10 seconds) driver connected switch, raindrop were beaten and were made us feeling sick on vehicle window this moment.Establish fast start circuit in this Intermitter for wiper of vehicle, when initial start, we can say to start the no stand-by period that connection switch back rain strip device can be swept immediately and scrape vehicle window one time, guarantees that pilot's line of vision is clear start-up time less than 0.2 second.Adopt integrated circuit to add power-supply filter and make its whole device performance reliable and stable, the control precision height, volume is little, cost is low, tallies with the national condition, this device is used plugging mode in addition, wiring, fix once finish install and use very convenient.
The present invention is further described below in conjunction with drawings and Examples.
The left view of Fig. 1-Intermitter for wiper of vehicle front view Fig. 2-Fig. 1
Fig. 3-Intermitter for wiper of vehicle stereogram Fig. 4-Intermitter for wiper of vehicle housing
The left view of end cap Fig. 6-Fig. 4 of Fig. 5-Fig. 4
The circuit theory diagrams of Fig. 7-electronic component fitting plane schematic diagram Fig. 8-Intermitter for wiper of vehicle
Fig. 9-Intermitter for wiper of vehicle and wiper assembly connection layout
1--rectangular housing 2-- end cap 3,4,5--binding post 6--side plate
7--chute 8--circuit board 9--resistance R
1The 10--capacitor C
1
11--triode BG 12--resistance R
2The 13--resistance R
3The 14--capacitor C
2
The 15--capacitor C
3The 16--capacitor C
4The 17--capacitor C
2The 18--relay J
19--NE555 integrated package 20--inductance L 21--diode D 22--K switch
2
23--mains switch K
124--wiper motor 25--wiper endless glide
26--slides and locatees brush
In Fig. 8, NE555 integrated package (19) and resistance R
2(12), R
3(13), capacitor C
2(14), C
3(15), C
5(17) and relay J (18) form intermittent control circuit, resistance R
1(9) capacitor C
1(10) and triode BG(11) form fast start circuit, inductance L (20) capacitor C
4(16) form electric source filter circuit.Diode D(21) be to prevent error-polarity connection of power supply.Resistance R
2(12) be connected between A, the B resistance R
3(13) be connected between B, the F capacitor C
2(14) be connected between F, the G capacitor C
3(15) be connected between NE555 integrated package 5 pin and the G.Resistance R
1(9) be connected between A, the H capacitor C
1(10) being connected between H, the G triode BG(11) base stage, collector electrode, emitter link to each other with H, F, A point respectively.Inductance L (20) is connected between M, the A, capacitor C
4(16) be connected between A, the G.Diode D(21) head connects N end tail and connects the G end.Resistance R
2(12), R
3(13) capacitor C
2(14) form NE555 integrated package (19) charge-discharge circuit, 2,6 pin of NE555 integrated package (19) are that current potential detects pin, and 7 pin are upset discharge pin, 4,8 pin are positive source pin, 1 pin is the power cathode pin, and 3 pin are power drive pin, and 5 pin are internal comparator control level pin.Insert capacitor C
3(15) can stablize the comparator reference voltage, prevent reference voltage fluctuation and the false triggering that causes.Capacitor C
5(17) be that buffer capacitor is to stablize the working point of NE555 integrated package (19).Relay J (18) is an electronic switch, is used for controlling the wiper assembly.Diode D(21) is to prevent error-polarity connection of power supply, shields.Resistance R
1(9) capacitor C
1(10) and triode BG form fast start circuit, it just works when each the startup, then ends.Inductance L (20) and capacitor C
4(16) form power-supply filter and be used for absorbing external interference noise, guarantee that the DC source quality prevents NE555 integrated package (19) false triggering.If change resistance R
2(12), R
3(13) resistance sum can change capacitor C
2(14) in charging interval, also just changed flip-flop transition of NE555 integrated package (19); Change resistance R
3(13) resistance can change capacitor C
2(14) also just changed resetting time of NE555 integrated package discharge time, changes resistance R
1(9) resistance can change capacitor C
1Charging interval, also just changed triode BG(11) to capacitor C
2(14) in charging interval, cooperate to change resistance R
2(12), R
3(13) resistance can obtain required ON time T
1With intermittent time T
2Can clearly find out with mathematic(al) representation:
If: T
1Be ON time, T
2For the intermittent time, 0.69 is a coefficient
Then: T
1≈ 0.69R C
T
2≈0.69（R+R）C
Draw according to related standards: T
1≈ 0.6 second, T
2≈ 7 seconds.
Circuit working principle of the present invention: with K switch
1When (23) being incorporated into intermittently contact a, capacitor C
1(10) also do not have enough time to charge, the H point is electronegative potential, triode BG(11) conducting, electric current is held through resistance R from A
1(9), triode BG(11) base stage is to capacitor C
1(10) charging, capacitor C
1(10) electric weight constantly increases, and H point current potential increases triode BG(11) end, stop capacitor C
2(14) charging.At this moment capacitor C
2(14) F point current potential has reached 2/3 trigger voltage of NE555 integrated package (19) power supply, the upset of NE555 integrated package, and 3 pin are electronegative potential and drive relay J (18) adhesive, K
2(22) connect control circuit, 7 pin become electronegative potential simultaneously, and pass through resistance R
3(13), NE555 integrated package (19) 1 pin constitute capacitor C
2(14) discharge loop, capacitor C
2(14) current potential constantly descends, when 1/3 resetting voltage of reducing to NE555 integrated package (19) power supply, the time NE555 integrated package reset, 3 pin are high potential, relay J (18) discharges, K
2(22) disconnect control circuit, at this moment capacitor C
2(14) be electronegative potential, because triode BG(19) end, so fast start circuit is inoperative.Electric current is held through resistance R from A again
2(12), R
3(13) to capacitor C
2(14) charging, capacitor C
2(14) electric weight constantly increases, when F point current potential raises when reaching 2/3 power supply trigger voltage gradually, and NE555 integrated package (19) upset, 3 pin are electronegative potential, relay J (19) adhesive, K
2(22) connect control circuit, 7 pin become electronegative potential simultaneously, and constitute capacitor C with 1 pin
2(14) discharge loop, capacitor C
2(14) electric weight reduces, and F point current potential descends, and when dropping to 1/3 power reset voltage, NE555 integrated package (19) resets, and 3 pin are high potential, and relay J (18) discharges, K
2Disconnect control circuit, one-period is finished, and so continuous periodic duty is until cut-off switch K
1(23) finish.
The vehicle wiper entire work process is such: work as K switch
1When (23) moving intermittently position a to, Intermitter for wiper of vehicle must be established beginning work by cable, relay J (18) adhesive K
2(22) connect control circuit, motor rotates, and drives the location brush (26) that slides simultaneously and enters endless glide (25), Intermitter for wiper of vehicle K
2(22) through disconnecting after 0.6 second the triggering and conducting, this moment is because the location brush (26) that slides has entered endless glide (25), so windscreen wiper assembly circuit can not cut off the power supply and stop operating, having only could cut off the power supply when location brush (26) turns to endless glide (25) indentation, there stops, after treating 7 seconds intermittences, new one-period begins, and repeats above process, constantly circulation is gone down, and guarantees that automobile drives safely in light rain, mist, snow.When heavy rain weather, with K switch
1(23) move the centre position to.
In an embodiment, rectangular housing (1) openend is fixed an end cap (2), fix three binding posts (3), (4), (5) on the end cap respectively, (6) make corresponding chute (7) on the and arranged on left and right sides wooden partition in its housing, electronic component is contained in above the circuit board (8), adorns a NE555 integrated package (19) in the circuit board (8), and a relay J (18) is adorned in its top, relay J (18) left dress inductance L (20) is in NE555 integrated package (19) upper left side dress capacitor C
4(16), C
1(10), resistance R
1(9), down adorn resistance R
3(13), R
2(12).Resistance R
2(12) be connected between A, the B resistance R
3(13) be connected between B, the F capacitor C
2(14) be connected between F, the G capacitor C
5(17) with after relay J (18) is in parallel be connected between A, the E capacitor C
3(15) be connected between NE555 integrated package (19) 5 pin and the G.Resistance R
1(9) be connected between A, the H capacitor C
1(10) being connected between H, the G triode BG(11) base stage, collector electrode, emitter link to each other with H, F, A point respectively.Inductance L (20) is connected between M, the A, capacitor C
4(16) be connected between A, the G.Diode D(21) head connects N end tail and connects the G end.It is fixing that circuit board (8) is inserted chute (7).Two power lines and a control line of drawing on the circuit board (8) are connected on binding post (3), (4), (5), tail end respectively, at last with end cap (2) and housing (1) opening to covering completely well.
Claims (3)
1, by three binding post of housing, the Intermitter for wiper of vehicle that circuit board is formed, it is characterized in that: housing is a rectangular cylinder, fix an end cap at its openend, fix three binding posts on the end cap respectively, in housing, make corresponding chute on the and arranged on left and right sides wooden partition, circuit board is inserted the chute internal fixation, electronic component is contained in circuit board top, NE555 integrated package and resistance R
2, R
3Capacitor C
2, C
3, C
5, and relay J form intermittent control circuit, resistance R
1Capacitor C
1Triode BG forms fast start circuit, inductance L capacitor C
4Form electric source filter circuit, diode D prevents error-polarity connection of power supply.
2, Intermitter for wiper of vehicle according to claim 1 is characterized in that adorning on the circuit board NE555 integrated package, and a relay J is adorned in its top, and the relay J left is adorned an inductance L, in NE555 integrated package upper left side dress capacitor C
4, C
1, resistance R
1, down adorn triode BG capacitor C
2Diode D, upper right side dress capacitor C
5, C
3, down adorn resistance R
3, R
2
3, according to claim 1 and 2 described Intermitter for wiper of vehicle, it is characterized in that in the intermittent control circuit resistance R
2Be connected between A, the B resistance R
3Be connected between B, the F capacitor C
2Be connected between F, the G capacitor C
5Be connected between A, the E capacitor C after relay J is in parallel
3Be connected between NE555 integrated package 5 pin and the G, in the fast start circuit, resistance R
1Be connected between A, the H capacitor C
1Be connected between H, the G, the base stage of triode BG, collector electrode, emitter link to each other with H, F, A point respectively, and in the electric source filter circuit, inductance L is connected between M, the A, capacitor C
4Be connected between A, the G, diode D head connects N end tail and connects the G end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92105550 CN1081295A (en) | 1992-07-13 | 1992-07-13 | Intermitter for wiper of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92105550 CN1081295A (en) | 1992-07-13 | 1992-07-13 | Intermitter for wiper of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1081295A true CN1081295A (en) | 1994-01-26 |
Family
ID=4941454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92105550 Pending CN1081295A (en) | 1992-07-13 | 1992-07-13 | Intermitter for wiper of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1081295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507728A (en) * | 2012-06-21 | 2014-01-15 | 福特全球技术公司 | Method of controlling the operation of a rear wiper system of a motor vehicle |
-
1992
- 1992-07-13 CN CN 92105550 patent/CN1081295A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507728A (en) * | 2012-06-21 | 2014-01-15 | 福特全球技术公司 | Method of controlling the operation of a rear wiper system of a motor vehicle |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |