| CLAIMS
I (a) The supplementary parking light (SPL) system effect automatic default control (switching) of an attractive warning light to indicate the parking space of the vehicle when the vehicle doors arc not fully locked at ignition switch OFF with the vehicle parking lights switch OFF, under a specified ambient light (dark weather) condition where the SPL system switches the said attractive warning lights ON when a coming vehicle headli 1 Ogh' t is sense at front or rear side of the vehicle.
(b) Hie SPL system is automatically activate when the following condition of the vehicle is attained; i. when a specified ambient light condition is attain (sense), is. when the vehicle ignition is switch OFF, iii. when the vehicle doors are not fully lock, iv, when the vehicle parking lights switch is OFF.
(c) Further to claim l (b) the SPL switches ON and then OFF the attractive warning lights when the following condition are attain; i. when a coming vehicle headlight is sense (the warning light is switch ON), ϊi. w hen the coming vehicle headlight is no more sense (the warning light is switch OFF).
(d) When the SPL is automatically activate under the above-specified conditions, the SPL is manually deactivate by the effect of the SPL default control reject switch.
(e) When the SPL is manually deactivated as in claim l (d), the SPL is manually reactivate by the effect of SPL default control reject-cancel switch.
(f) When the SPL is manually deactivate as in claim l (d). the SPL is automatically reactivate to default when the vehicle ignition key is switch ON and then OFF or when the engine is start and then switch OFF.
(g) The SPL is manually activate under the following conditions; i. when the specified ambient light condition is attain, ii. when the Ignition key is switch OFF, iii. when the vehicle Parking lights arc switch OFF, iv. when the Vehicle doors are fully lock or open.
(h) Under the condition in claim l (g), the SPL is manually activate by the effect of SPL manual activate switch.
(i) Al SPL manual activate under the condition in claim l (h), the SPL is manually deactivate by the effect of the SPL manual acuvatc-cancel switch. (j) At SPL manual activate under the condition in claim l (h), the SPL is automatically reset Io default when the vehicle ignition key is switch ON and then OFF or when the engine is start and then switch OFF.
(k) When lhc SPL is automatically or manually activated, the SPL is temporally deactivate automatically when the vehicle parking light is manually switch ON.
(1) Further to claim l (k), the SPL is automatically reactivated when the said parking light is manually switch OFF.
2 (a) The SPL consist of the following components: i. the SPL mode select switch, ii. the SPL manual activate switch, manual activatc-cancel switch, manual deactivate switch and manual deactivate-caπcel switch, iii. multiple photocell resistors arrangement (vehicle light sensor), iv. photocell resistor (ambient light sensor), v. consul LED display unit, Vi. SPL electronic control unit.
3. (a) The SPL mode select switch is connected in scries from the battery to the SPL electronic control unit.
4.(a) The following SPL switches are connected to the SPL control unit and each sends a signals in a specific voltage to the SPL control unit when manually effected; i. the SPL manual activate switch, ii. the SPL manual deactivate switch, iii. the SPL manual acϋvate-canccl switch, iv. the SPL manual deactivatc-cancel switches.
5(a) A multiple photocell rcstslers are connected in parallel to SPL control unit.
(b) The said multiple photocell resistors (vehicle headlight sensors) send specific signals to the SPL control unit.
(c) The said photocell resistor provides the SPL control unit with specific signals by varying the resistance across the photocell resistor terminals when vehicle headlight is sense.
6(a) line vehicle ambient light sensor is a photocell resistor.
(b) The said photocell resister is connected to the SPL control unit
(c) The said photocell resistor in claim 6(a) provides the SPL control unit with a specified ambient light signals by varying the resistance across the photocell resistor terminals. 7(a) A consul LED display unii indicates information on the control stale of the SPL system.
(b).The said display unit is connected to the SPL control unit and receives signals in a specific voltage from the SPL control unit when require.
(c). The said consul display unit receives the following signals from the SALCM card; i. the SPL green LED 1 signal or equivalent signal is receive in a specific voltage, ii. the SPL red LED 1 signal or equivalent signal is receive in a specific voltage.
(d) The SPL a green LED 1 signal indicates the SPL system is manually activate or SPL warning light is switch ON under the SPL automatic activate condition.
(e) The red LED I signals indicate the SPL is manually deactivates when the SPL system is automatically activate.
8.(a) the SPL system warning light relay coi! is connected to the SPL control unit. (b)The said relay coil receives signals from the SPL control unit.
(c). The said relay switch contact point controls the ON and OFF state of the said attractive warning lights when the SPL control unit send a signal.
9(a) The SPL control unit sends and receives signals to and from the following sensors and components; i. battery positive (+), ii. earth (-). iii. ignition/engine running switch, iv. parking light. v. door key lock, vi. multi-photoccil arrangement (a coming vehicle light sensor), vii. a photocell resistor (ambient light sensor), viii. SPL manual switches,
(1 ) manual activate switch,
(2) manual deactivate switch,
(3) manual activate-cancel,
(4) manual deactivatc-cancel switches, ix SPL consul LED I display unit,
(1) SPL green LEDl or equivalent.
(2) SPL red LED l or equivalent. |
SUPPLEMENTARY PARKING LIGHT
DETAIL DESCRIPTION
In reference Io the supplementary parking light (SPL) circuits diagram, in case of fully and correct connection of the SPL, control unit terminals according to the tabic below, the detail description are as follows
At vehicle door key lock, earth (-) polarity from terminal Cl is conduct at one end of " NO relay h7 contact point, the said earth is available at jumper switch .15. A l current from terminal C3 flow to 5pin NC/NO relay a I coii positive but relay a I coil is not energize clue to coi! negative insulates to earth. The said current How through relay al NC contact point to charge capacitor CPT2, the said current How through NC relay h6 contact point to one end of NO relay h5 contact point.
A l current flow from terminal C3 through terminal C2 to SPL manual switches common. At vehicle door key unlock, earth (-) polarity is conducted through terminal C4 to end of NO relay h8 and h4 contact points. The said earth (-) signal is conducted through terminal C4 to 5pin NC/NO relay al coil negative, relay al coil is energize and contact point close at NO contact point. Current from terminal C3 How through the close relay a l NO contact point to A3+A I circuit conductive lines.
The said current flow through NC relay h i contact point to NO relay h7 coil positive, the said current flow to NO relay i l , \2, ho and h.9 coil positive. The said current How through NC relay i3 contact point to NO relay h8 coil positive. At vehicle door key unlock, current How through A l circuit conductive lines. The said current flow through NC relay h3 contact point to end at NO relay h2 contact point.
The said current How through NC relay h6 contact point to end at NO relay h5 contact point. λt ignition key switch υn, A3 current How from terminal C5 to Spin NC/NO relay a2 coil positive, relay a2 coil is cncrgi/e and contact point close at NO contact point. The flow of current through λ3 hA I circuit conductive lines to the various relay coils, contact points and jumper switch it> maintained. A3 current flow through A3 circuit conductive lines. λ3 current How to NC relay i3 coil positive,A3 current flow to Spin NC/NO relay a9 and aO coil positive to energize both coils and contact points close at NO contact points.
When the SPL default control reject switch is activated, current flow from terminal C44 Io NO relay h2 coil positive, relay h2 coil is energize and contact point close. Current flow from relay h2 contact point flow buck to relay h2 coil positive to keep contact point close if the said current from terminal C 44 cuts. The said current flow from the close relay h2 contact point to light the consul red LED L The said current from relay h2 contact point How to NC relay h i coil positive, relay h i coil is energize and contact point open to cut the flow of current through A 1+λ3 conductive lines to the various relay coils, contact points and jumper switch.
When the SPL default control reject-cancel switch is activate, current from terminal C45 flow to NC relay h3 coil positive, relay h3 coil is energize and contact point open to cut the flow of current to relay h2, hi coils positive and the consul red LHDl , When the SPL manual activate switch is activate, current from terminal C46 flow to NO relay h5 coil positive, relay h5 coil is energize and contact point close. Current How from relay h5 contact point back to relay h5 coil positive to keep contact point close if current from terminal C46 cuts.
The said current from relay h5 contact point flow to NO relay h4 coil positive, relay h4 coil is energize and contact point close to conduct relay a I coil negative to earth. The said current flow from the close relay h5 contact point to light consul green LED l . When the SPL manual activale-canccl switch is activated, current from terminal C47 flow to NC relay h6 coil positive, relay h.6 coil is energize and contact point open to cut the flow of current to the energized relay h5, h4coil positive and consul green LED I . Relay h5 and h4 contact points open to cut the conduction of relay al coil negative to earth (-).
Terminal C12 is connected to front photocell resistor (sensor responsible for detecting an oncoming vehicle headlight at the front-side of the vehicle) the said photocell resistor conducts NO relay h0 coil negative to earth through 5pin NC7NO relay a9 NC contact point and NO relay h9 contact point. When a specified intensity of an oncoming vehicle headlight is sense by the photocell resistor, the resistance of the photocell resistor reduce to conduct NO relay hO coil negative to earth (-) through relay h9 and a9 contact points.
Terminal C 13 is connected to rear-side photocell resistor (sensor responsible for detecting behind coming vehicle headlight at the iear side of the vehicle). When the specified intensity of a behind coming vehicle headlight is sense by the photocell resistor, the resistance of the photocell resistor reduce to conduct NO relay hO coil negative Io earth thiough relay b.9 and aO contact points.
DESCRIPTION ACCORDEN TO FUNCTION.
λt vehicle door key unlock, during the ambient light intensity higher than the specified ambient light level 3, the photocell resistor (sensor responsible lot the ambient light) connect to terminal C 17 reduces in resistance lower lhaπ the constant resistance value of resistor r5. Due to the resistor r6 in series with resistor t"5, current from A I +A3 circuit conductive line flow though resistance rβ and the photocell resistor to earth (-). The base of NPN transistor TL3 is not switch, hence NPN transistor TL3 cut the How of current from relay h7 coil negative to earth (-), relay h 7 contact point remain open.
During the ambient light level 3 and bellow, the photocell resistor increase in resistance greater than the constant value of resistor r5, current How through resistor r6 and resistor r5 to switch the base of NPN transistor TL3. Current from NO relay Ii7 coil negative How through NPN transistor TL3 collector and emitter to earth, NO relay h7 coil is energize and contact point close to conduct relay il and i2 coil negative to earth base on the state
of relay hO contact point. The close relay h7 contact point conduct NO relay h8 and NC relay i3 coil negative to earth (-).
During the specified ambient light level 3, when the vehicle door key is unlock, earth (-) signal is conducted at 5pins NC/NO relay a l coil negative from terminal C4. 5pin NC/NO relay a 1 coil is energi/e and contact point close al NO contact point, current How through A 1+A3 and A l circuit conductive fines. The current through λ 1+A3 circuit conductive lines and NC relay h i contact point flow to NO relay h7, hO, h9, i l , and \2 coils positive. The said current flow through NC relay i3 contact point to NO relay h8 coil positive.
Due to the attainment of the specified ambient light level 3 a& detailed in the above, the NO relay h7 contact point close to conduct NC relay i3 coil negative to earth (-). The closed relay h.7 contact point conduct NO relay h8 coil negative to earth (-), relay h8 coil is energize and contact point close to conduct NO relay h9 coil negative to earth (-) from terminal C 4 or NO relay h4 contact point at close state as an option. NO relay h9 coil is energize and contact point close to conduct NO relay hO coil negative to front and rear photocell resistor (sensors responsible for detecting behind and oncoming vehicle headlights) through NC contact points of 5pin NCVNO relay a9 and aO respectively.
When an oncoming or behind coming vehicle headlight is sense by cither of the photocell resistor, the resistance of the affect photocell resistor reduce to conduct NO relay hO coil negative to earth (-) through the close relay h9 contact point. NO relay hO coil is energize and contact point close to conduct NO relay i l and i2 coil negative to earth (-) through the close relay h7 conuict point. NO relay i I coil is energize and contact point close, the require current polarity from the jumper switch How through terminal C48 to light or sw itch ON the special parking light (warning light) to give attractive and clear parking space of the principal vehicle.
The close relay hO conduct NO relay Yl coil negative to earth (-) through the close relay h7 contact point, NO i clay Yl coil is energize and contact point close. The required current polarity flow from the jumper switch How through terminal C36 to light the consul green LED l . These indicate the special parking tight is switch ON. When the oncoming or the behind coming vehicle headlight is not sense, the resistance of the affect photocell resistor increase to insulate relay hO coil negative to earth (-). The energized relay hO coil collapse and contact point open to cut the encrgi/cd relay i l and Yl coil negative to earth (-).
Relay i l contact point open to switch off the special parking l ight, l hc energized relay Yl coil collapse and contact point open to cut the How of current to the consul green LCD l . When the manual parking light is switch ON, parking light feed back current from terminal C l 9 to NC relay i3 coil positive.
Relay i3 coil is energize and contact point open to cut the How of current to relay h8 coil positive, the energized relay h8 coil collapse and contact point open to cut the flow of current from NO relay h9 coil negative to earth (-). The energize relay h9 coil collapse and contact point open to cut the possible conduction of NO relay hO coil negative to
cailh (-) through the photocell resistors when a coming vehicle headlight is sense from either side of the vehicle. NO relay hO contact point remains open to break the connection between NO relay i l and i2 coil negatives to earth (-) through the close relay h7 contact point. The SPL is automatically deactivate.
When the manual parking light is switch OFF, the parking light feedback current from terminal C 19 is cut, the default operation is of the SPL is restored as describe above. At automatically activate of the SPL, when the ignition key is switch ON, current flow from terminal C5 to Spin NC/NO relay a2 coil positive. Relay a2 coil is energize and contact point close at NO contact point, λ3 current How through the close NO contact point of relay a2 to λ3 and λ3+λ 1 circuit conductive lines. The said λ3 current flow to 5pin NC/NO relay a9 and aO coils positive, relay a9 and aO coits energize and contact points open at NC contact points.
The said λ3 current flow to NC relay i3 coil positive. Relay i3 coil is energize and contact point open to cut the flow of current to relay h8 coil positive, the energized relay h8 coil collapse and contact point open to cut the flow of current from NO relay h9 coil negative to earth (-). The energize relay h9 coil collapse and contact point open to cut the possible conduction of NO relay hO coil negative to earth (-) through front or rear photocell resistor. NO relay hO contact point remain open to break the connection between NO relay i l and i2 coil negatives to earth through the close relay h7 contact point. The SPL is automatically deactivate.
When the ignition key is switch OFF, the flow of current from terminal C5 is cut, the default operation of the SPL is restored as describe above. λt door key unlock where the SPL is automatically activate, when the SPL default control reject switch is activate, current flow Horn terminal CAA to NO relay b.2 coil positive. Relay h.2 coil is energize and contact point close, Current How from relay h2 contact point back Lo ielay h2 coil positive to keep contact point close if current from terminal C44 cuts.
The said current flow fiom relay h2 contact point ilow to NC relay h i coil positive, relay h i coii is energize and contact point open to cut the How of current to relay h7, i l, i2, hO, h9 and h8 coils positive. The SPL operation is disable. When the SPL default control reject-cancel manual switch is activate, current flow from terminal C45 flow to NC relay h3 coil positive, relay h3 coil is energize and contact point open to cut the flow of current to relay h2 and relay h i coils positive. The energize relay h i coil collapse and contact point close. Current flow to relay h7, i l , i2, hO. h9 and h8 coils positive. The SPL is manually reactivate.
λt SPL is disable by manual default control reject switch, when the vehicle door key is lock, relay al coil negative is cut from earth (-), the energize relay a l coil collapse and contact point open at NO contact point to cut the flow of current to relay h2. The energized relay h2 coil collapse and contact point open to cut the flow of cut rent to relay h i coil positive. The SPL is reset to default.
When the vehicle door key is unlock, earth (-) signal is conducted al relay a l coil negative to automatically activate the SPL deiaull operation. λt the SPL disable, by
manual default control reject switch, when the ignition key is switch ON, current from terminal C5 flow to Spin NC/NO relay a2 coil positive. Relay a2 coil is energize and contact point open at NC contact point to cut Lhc flow of current to relay h2 and relay h I coils positive, the energize relay h i coil collapse and contact point close to reset the SPL to default.
At vehicle door key lock during the specified ambient light level 3, when the SPL manual switch is activate, current from terminal C4<5 to NO relay h5 coil positive, relay h.5 coi! is energize and contact point close. A I current from terminal C3 flow through NC contact point of Spin relay ah NC relay h6 contact point and relay h5 contact point back to relay Ii5 coil positive to keep contact point close if current from terminal C46 cuts. The said cuπent from relay h5 contact point How to NO relay h4 coil positive, relay h4 coil is energize and contact point close to conduct 5pin NC/NO relay al coil negative to earth. Relay al coi! is energize and contact point close at NO contact point, current flow through AU A3 and A l circuit conductive lines. The SPL is manually activate.
When the SPL manual activate-cancel is activate, current (low from terminal C47 to NC relay h6 coil positive, relay h6 coil is energize and contact point open to cut the How of current to relay h5 and relay h4 coils positive. The energize relay h4 coil collapse and contact point open to cut the How of current from relay a l coil negative to earth (-). The energize relay a I coil collapse and contact point open at NO contact point to cut the flow of current throu«h A I+A3 and A 1 circuit conductive lines. The SPL is disable.
During the SPL manual activate, when the vehicle door is lock and unlock, the SPL remain manually activate. At the same time when the ignition key is switch ON, relay a2 coi! is energize and contact point open at NC contact point to cut the flow of current to relay h5 and relay h4 coil positive, the energize relay h4 coil collapse and contact point open. When the ignition key is switch OFF, the SPL is reset to default.
CONECTION OF SPL CIRCUIT DIAGRAM TERMINALS
The following table consists of lhc SPl. control unit terminals connection details:
The SPL circuit diagram consist of the following type of relays as numbered in the table bellow:
The following table consists ofdescription of SPL system circuit diagram.
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