WO2014128513A1 - Supplementary parking light monitor - Google Patents

Supplementary parking light monitor Download PDF

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Publication number
WO2014128513A1
WO2014128513A1 PCT/GH2013/000002 GH2013000002W WO2014128513A1 WO 2014128513 A1 WO2014128513 A1 WO 2014128513A1 GH 2013000002 W GH2013000002 W GH 2013000002W WO 2014128513 A1 WO2014128513 A1 WO 2014128513A1
Authority
WO
WIPO (PCT)
Prior art keywords
splm
relay
pin
switch
control unit
Prior art date
Application number
PCT/GH2013/000002
Other languages
French (fr)
Inventor
Charles Otabil
Original Assignee
Charles Otabil
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Charles Otabil filed Critical Charles Otabil
Publication of WO2014128513A1 publication Critical patent/WO2014128513A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/48—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes
    • B60Q1/486—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes for indicating that vehicle is in a parked state

Definitions

  • SPLM supplementary parking light monitor
  • Fig. 1 shows the block diagram of the SPLM system which contains the SPLM control unit, SPLM input signals, SPLM solar charger unit, SPLM battery, SPLM display unit, SPLM lamp unit, vehicle alternator, vehicle battery and the vehicle fuse box.
  • the block label as F12 indicates the SPLM control unit which is the center of control of the SPLM system.
  • the SPLM control unit receives ignition switch signal, ambient light signal by the photo cell resistor and the parking light switch signal from the block label Fl 1.
  • the block label Fl 3 indicates the display panel of the SPLM system, the display panel receives output signals from the SPLM control unit to effect actual operation display for the user to read.
  • the label F14 on the SPLM system block diagram indicates the lamp unit of the SPLM system, the lamp is switch on and off by the SPLM control unit to indicate the parking space of the heavy duty vehicle when require.
  • the label F15 on the SPLM system block diagram indicates the solar charger unit, the solar charger unit charges the SPLM battery when require.
  • the label F16 on the SPLM system block diagram indicates the SPLM system battery, the SPLM battery supply current to the SPLM system when require.
  • the label F17 and Fil 1 on the SPLM system block diagram indicates ground terminal.
  • the label F18 on the SPLM system block diagram indicates the vehicle battery.
  • the label F19 on the SPLM system block diagram indicates the vehicle fuse box.
  • the label Fl 10 on the SPLM system block diagram indicates the vehicle alternator.
  • the SPLM system does not depend on the component label F18 and Fl 10 with respect to their functions
  • SPLM control unit terminals and connections are SPLM control unit terminals and connections.
  • Terminal cl of the SPLM control unit connect to ground as shown in fig. 3.
  • Terminal c2 of the SPLM control unit connect to SPLM battery positive terminal as shown in fig. 4.
  • Teraiinal c3 of the SPLM control unit connect to the photo cell resistor as shown in fig. 5.
  • Terminal c4 of the SPLM control unit connect to the vehicle parking light switch as shown in fig. 6.
  • Terminal c5 of the SPLM control unit connect to the automatic/manual select switch as shown in fig.7.
  • Terminal c6 of the SPLM control unit connect to the automatic/manual select switch common as shown in fig. 7.
  • Terminal c7 of the SPLM control unit connect to the activate/reject switch as shown in fig. 8.
  • Terminal c8 of the SPLM control unit connect to the activate/reject switch common as shown in fig. 8.
  • Terminal c9 of the SPLM control unit connect to the activate/reject cancel switch as shown in fig. 9.
  • Terminal clO of the SPLM control unit connect to the activate/reject cancel switch common as shown in fig. 9
  • Terminal cl 1 of the SPLM control unit connect to the vehicle ignition switch as shown in fig. 10.
  • Terminal cl 2 of the SPLM control unit connect to the SPLM system solar charger as shown in fig.1 1 .
  • Terminal cl3 of the SPLM control unit connect to the SPLM additional parking light bulb as shown in fig. 12.
  • Terminal cl4 of the SPLM control unit connect to the SPLM display panel LED green as shown in fig. 13.
  • Terminal cl5 of the SPLM control unit connect to the SPLM display panel LED red as shown in fig. 13.
  • Terminal cl6 of the SPLM control unit connect to the SPLM display panel LED yellow as shown in fig. 13.
  • Tenninal c l 7 of the SPLM control unit connect to the SPLM display panel LED blue as shown in fig. 13.
  • Terminal cl8 of the SPLM control unit connect to the SPLM display panel horn as shown in fig. 13.
  • Negative polarity is conduct from ground through terminal cl to relay al switch point at pin 3 and relay al coil at pin 1.
  • the said current from the ignition switch flow through terminal cl 1 , through diode dl4 to charge capacitor cpl .
  • the current through terminal el l flow through diode dl4, diode d 15 and relay el switch point pin 3 and pin 4 to display panel horn.
  • the resistance of the photo cell resistor is lower than resistance of resistor rl, current from the battery through terminal c2 flow through resistor r2 and through photocell resistor to ground. Relay al remain open.
  • Ignition current from terminal cl 1 flow to charge capacitor cpl , the said ignition current flow to relay el pin 1 to energize coil due to ground conduct at pin 2 to open contact at pin 3 and 4 to prevent possible flow of current to display panel warning horn through terminal cl 8.
  • Ignition current from terminal cl 1 flow to relay b6 pin 1 to energize coil due to ground available at pin 2 to open contact pin 3 and 4 to prevent possible flow of current to display panel LED through relay b7 contact points.
  • the ignition current is conduct at relay b2 pin 1 and relay a8 pin 1 , the contact points of relay a8 and b2 remain close due to the open contact of relay al pin 3 and 5 which insulate relay a8 pin 2 and relay b2 pin 2 from ground.
  • relay a2 coil is not energize and contact remain close at pin 3 and 4
  • relay a7 coil is not energize and contact remain close at pin 3 and 4
  • relay b7 coil is not energize and contact remain close at pin 3 and 4.
  • relay al contact point pin 3 and 5 At last ignition switch off where ambient light condition is higher than the specified ambient light condition to require SPLM additional parking light, normally open relay al contact point pin 3 and 5 remain open, the flow of current from the ignition switch through terminal c l 1 to relay a5 coil pin 1, capacitor cpl, relay el coil pin 1, relay e2 coil pin 1 , relay a8 coil pin 1 , relay b2 coil pin 1 and relay b6 coil pin 1 is cut, the energize relay a5 coil collapse to close contact at pin 3 and 4 to conduct current from terminal c2 at relay a3 pin 5.
  • relay b8 coil Normally close relay b8 coil is not energized and contact pin 3 and 4 remain close due to relay b8 pin 2 insulate from ground.
  • the current from the SPLM battery through the close relay a3 contact point pin 3 and 5 flow through relay a2 contact point pin 3 and 4, through the normally close relay b8 contact pin 3 and 4 to display panel LED blue to indicate that the SPLM is manually activate at manual mode.
  • the resistance of the photo cell resistor is higher than the resistance of resistor rl , current from the SPLM battery flow through terminal c2, resistor r2 and resistor rl to relay al coil pin 1 to energize coil due to ground available at pin 2, relay al contact point close at pin 3 and 5 to conduct ground at terminal cl through the close relay al contact point pin 3, 5 and relay a7 contact point pin 3 and 4 to relay a9 pin 2 to energize coil due to current available at pin 1 to close relay a9 contact pin 3 and 5.
  • Relay bl coil pin 2 is conduct to ground at terminal cl through the close relay a9 pin 3 and 5, normally close relay a8 contact pin 3 and 4, relay a7 contact pin 3, 4 and the close relay al contact pin 3 and 5.
  • Relay bl coil is energize and contact close at pin 3 and 5.
  • SPLM battery current from terminal c2 flow through the close relay bl contact pin 3 and 5 to SPLM additional parking light bulb through terminal cl3 to give light which indicate the parking space of the heavy duty vehicle, the said current through relay bl contact pin 3 and 5 flow to the display panel LED green through terminal cl4 to indicate that the SPLM additional parking light is switch ON.
  • relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent current flow to the display panel LED red through terminal cl 5.
  • Ground is conduct at relay b8 pin 2 to energize coil to open contact at pin 3 and 4 to prevent current flow to display panel LED blue through terminal c 17.
  • Relay b8 coil is energize to open contact at pin 3 and 4 to prevent the possible flow of current to display panel LED blue through terminal cl7 when current flow to relay b8 coil pin 1
  • Relay a9 contact pin 3 and 5 remain open to insulate relay bl coil pin 2 to ground, relay bl contact pin 3 and 5 are open to cut the flow of current to SPLM additional parking light bulb, the SPLM additional parking light bulb remain OFF
  • relay al contact pin 3 and 5 At ignition switch off where the ambient light condition is higher than the specify ambient light condition to require SPLM additional parking light, normally open relay al contact pin 3 and 5 remain open, the flow of current from the ignition switch through terminal el l to relay a5 coil pin 1, capacitor cpl, relay el coil pin 1 , relay e2 coil pin 1 , relay a8 coil pin 1 , relay b2 coil pin 1 and relay b6 coil pin 1 is cut, the energize relay a5 coil collapse to close contact at pin 3 and 4 to conduct current from terminal c2 at relay a3 pin 5.
  • relay al coil When the specified ambient light condition to require the SPLM additional parking light is attain, relay al coil is energize to close contact at pin 3 and 5 to conduct ground at relay al contact pin 5. The said ground is conducted at relay a9 pin 2, relay a9 coil is not energize due to SPLM not manually activate as a result no current is available at relay a9 pin 1.
  • relay bl contact point pin 3 and 5 remain open and the SPLM additional parking light bulb remain off.
  • Relay a9 coil is energize to close contact at pin 3 and 5 to conduct relay bl pin 2 to ground through relay a8 contact pin 3 and 4, relay a7 contact pin 3 and 4, relay al contact pin 3, 5 and terminal Cl to ground.
  • Relay bl coil is energize and contact close at pin 3 and 5, SPLM battery current from terminal c2 flow through the close relay bl contact pin 3 and 5 to SPLM additional parking light bulb through terminal cl3, The said current through relay bl contact pin 3 and 5 flow to the display panel LED green through terminal cl4 to indicate that the SPLM additional parking light is switch ON.
  • the said current through relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent current flow to the display panel LED red through terminal cl5.
  • Ground is conduct at relay b8 pin 2 to energize coil to open contact at pin 3 and 4 to prevent current flow to display panel LED blue through terminal cl7.
  • the energize coil relay el collapse to close contact pin 3 and 4 current from the charge capacitor cpl flow through relay el close contact point pin 3 and 4 to the display panel warning horn, as an audible reminder to the driver for SPLM automatic activate after ignition turn off.
  • the flow of current from the capacitor cpl is cut to stop audible reminder.
  • the resistance of the photo cell resistor is higher than the resistance of resistor rl, current from the SPLM battery flow through terminal c2, resistor r2 and resistor rl to relay al coil pin 1 to energize coil, relay al contact close at pin 3 and 5.
  • Relay bl coil is energize due to current available at relay b l coil pin 1 to close contact at pin 3 and 5 to allow current from SPLM battery positive terminal through terminal c2 to switch ON SPLM additional parking light bulb through terminal c 13 to indicate the parking space of the heavy duty vehicle.
  • Ground is conduct at relay b9 coil pin 2 from terminal cl through the close relay al contact pin 3 and 5, relay a7 contact pin 3, 5 and relay b2 contact pin 4 and 3.
  • Relay b9 coil is energize due to current available at relay b9 coil pin 1, relay b9 contact is open to prevent the flow of current to display panel LED yellow through terminal cl6.
  • the SPLM battery current through the close relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil due to the available ground at relay b5 coil pin 2 through relay b2 contact pin 3 and 4, relay a7 contact pin 3 and 5, relay al contact pin 3, 5 and terminal cl .
  • Normally close relay b5 contact pin 3 and 4 is open to prevent the flow of current to the display panel LED red through terminal c 15.
  • the SPLM battery current through relay bl close contact pin 3 and 5 flow to relay b6 coil pin 1 to energize coil due to available ground at relay b6 coil pin 2, the normally close relay b6 contact pin 3 and 4 is open to prevent the flow of current from the SPLM battery to the display panel LED blue through the close relay b7 contact pin 3 and 5 and then terminal cl5.
  • relay b2 coil pin 1 Current from the parking light switch through terminal c4 and diode d2 flow to relay b2 coil pin 1 to energize relay b2 coil to open contact point at pin 3 and 4 to insulate relay bl pin 2 to ground through the close relay a7 contact pin 3, 5 and then terminal c l .
  • the SPLM additional parking light bulb and the display panel LED green are switch off.
  • Relay b9 coil is energize to open contact at pin 3 and 4 to prevent the flow of current to display panel LED yellow through terminal cl6.
  • Relay b9 coil is energize to open contact at pin 3 and 4 to prevent the flow of current to display panel LED yellow through terminal cl6 when current flow to relay b9 coil pin 1 .
  • Relay b3 coil is energize to open normally close contact pin 3 and 4 due to the available ground at pin 2 through relay a7 pin 3 and 5, relay al pin 3, 5 and terminal cl .
  • Relay bl pin 2 is insulated from ground, the energize relay bl coil collapse to open contact pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal c l3, display panel LED green through terminal cl4, relay b5 coil pin 1 and relay b6 coil pin 1.
  • the SPLM additional parking light bulb and the display panel LED green are switch off.
  • Relay al contact point remain open due to ambient light condition.
  • Current from the activate/reject switch through terminal c7 flow to relay a3 coil pin 1 to energize coil due to ground available at pin 2 which is conduct through relay a4 switch point pin 3 and 4.
  • Relay a3 contact point is close at pin 3 and 5.
  • Current from SPLM battery positive terminal through terminal c2 flow through the close relay a3 contact point, through diode dl to relay a3 coil pin 1 to maintain relay a3 coil energize and switch point close when the current from terminal c7 cut.
  • the current from the SPLM battery through the close relay a3 switch point pin 3 and 5 flow through relay a2 switch point pin 3 and 5 to relay b3 coil pin 1.
  • Relay b3 coil is not energize due to pin 2 insulate from ground.
  • relay b9 coil is not energize due to pin 2 insulate from ground (relay al remain open due to ambient light condition) relay b9 remain close.
  • the said current through the close relay a2 switch point pin 3 and 5 flow through the close relay b9 switch point pin 3 and 4 through terminal cl6 to display panel LED yellow to indicate that the SPLM is deactivate at higher ambient light condition where the SPLM parking is not require.
  • relay b6 contact point is open at pin 3 and 4 to prevent the flow of current from terminal c2 to the display panel LED blue through terminal cl7.
  • Ground is conducted at relay b9 pin 2 through diode d5, relay b2 contact point pin 3 and 4, relay a7 contact point pin 3 and 5, to energize coil to open contact at pin 3 and 4 to cut the flow of current to the display panel LED yellow.
  • Ground is conducted at relay b4 pin 2 through relay b2 contact point pin 3 and 4 to energize relay b4 coil to close contact pin 3 and 5, the SPLM battery current from terminal c2 flow through the close contact at relay b4 pin 3 and 5, relay b5 normally close contact pin 3 and 4 to display panel LED red through terminal cl 5 to indicate that the SPLM additional parking light is reject by the user when require.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Audible And Visible Signals (AREA)

Abstract

The presented supplementary parking light monitor (SPLM) apparatus is a second or a supplementary electronic control parking light system for the original parking light of a heavy duty motor vehicle which is capable of monitoring the vehicle ignition switch, parking light switch and then turning ON and OFF at least one attractive light to indicate the parking space of the heavy duty vehicle overnight or for a longer period of time when a specify ambient light which indicate a dark weather condition is detect where the original vehicle parking light is not available. The SPLM system provides an automatic or manual operation options to assist the user for effective control of the SPLM system.

Description

DESCRIPTION
The presented detail description of the supplementary parking light monitor (SPLM) is a relay base circuit diagram, this simple circuit diagram is to enable the average technical person to easily understand.
The description is given as follows;
Electric system function
Fig. 1 shows the block diagram of the SPLM system which contains the SPLM control unit, SPLM input signals, SPLM solar charger unit, SPLM battery, SPLM display unit, SPLM lamp unit, vehicle alternator, vehicle battery and the vehicle fuse box.
The block label as F12 indicates the SPLM control unit which is the center of control of the SPLM system.
The SPLM control unit receives ignition switch signal, ambient light signal by the photo cell resistor and the parking light switch signal from the block label Fl 1.
The block label Fl 3 indicates the display panel of the SPLM system, the display panel receives output signals from the SPLM control unit to effect actual operation display for the user to read.
The label F14 on the SPLM system block diagram indicates the lamp unit of the SPLM system, the lamp is switch on and off by the SPLM control unit to indicate the parking space of the heavy duty vehicle when require.
The label F15 on the SPLM system block diagram indicates the solar charger unit, the solar charger unit charges the SPLM battery when require.
The label F16 on the SPLM system block diagram indicates the SPLM system battery, the SPLM battery supply current to the SPLM system when require.
The label F17 and Fil 1 on the SPLM system block diagram indicates ground terminal.
The label F18 on the SPLM system block diagram indicates the vehicle battery.
The label F19 on the SPLM system block diagram indicates the vehicle fuse box.
The label Fl 10 on the SPLM system block diagram indicates the vehicle alternator. The SPLM system does not depend on the component label F18 and Fl 10 with respect to their functions
SPLM control unit terminals and connections.
Terminal cl of the SPLM control unit connect to ground as shown in fig. 3.
Terminal c2 of the SPLM control unit connect to SPLM battery positive terminal as shown in fig. 4.
Teraiinal c3 of the SPLM control unit connect to the photo cell resistor as shown in fig. 5.
Terminal c4 of the SPLM control unit connect to the vehicle parking light switch as shown in fig. 6.
Terminal c5 of the SPLM control unit connect to the automatic/manual select switch as shown in fig.7.
Terminal c6 of the SPLM control unit connect to the automatic/manual select switch common as shown in fig. 7.
Terminal c7 of the SPLM control unit connect to the activate/reject switch as shown in fig. 8.
Terminal c8 of the SPLM control unit connect to the activate/reject switch common as shown in fig. 8.
Terminal c9 of the SPLM control unit connect to the activate/reject cancel switch as shown in fig. 9.
Terminal clO of the SPLM control unit connect to the activate/reject cancel switch common as shown in fig. 9
Terminal cl 1 of the SPLM control unit connect to the vehicle ignition switch as shown in fig. 10.
Terminal cl 2 of the SPLM control unit connect to the SPLM system solar charger as shown in fig.1 1 .
Terminal cl3 of the SPLM control unit connect to the SPLM additional parking light bulb as shown in fig. 12. Terminal cl4 of the SPLM control unit connect to the SPLM display panel LED green as shown in fig. 13.
Terminal cl5 of the SPLM control unit connect to the SPLM display panel LED red as shown in fig. 13.
Terminal cl6 of the SPLM control unit connect to the SPLM display panel LED yellow as shown in fig. 13.
Tenninal c l 7 of the SPLM control unit connect to the SPLM display panel LED blue as shown in fig. 13.
Terminal cl8 of the SPLM control unit connect to the SPLM display panel horn as shown in fig. 13.
The table below shows further details of the SPLM system terminals and connection of the various components.
Figure Label Description Connection
Fig. l SPLM block diagram
Fl l Input signals
F12 SPLM Control unit
F13 Display unit
F14 SPLM parking light bulb
F15 Solar charger unit (G3)
F16 SPLM battery (G4)
F17 Ground (-)
F18 Vehicle battery (G2)
F 19 Vehicle fuse box
F l 10 Vehicle alternator (Gl)
Fil l l Ground (-)
Fig. 2 SPLM circuit diagram
CI Terminal Connect to ground (-)
C2 Terminal Connect to SPLM battery (G4) positive terminal
C3 Terminal Connect to photo cell resistor
C4 Terminal Connect to parking light switch
C5 Terminal Connect to automatic/manual mode switch
C6 Connect to auto/manual mode
Terminal switch common
C7 Terminal Connect to activate/reject switch
C8 Terminal Connect to activate/reject switch common
C9 Terminal Connect to activate/reject cancel switch
CIO Terminal Connect to activate/reject cancel switch common
Cl l Terminal Connect to ignition switch
C12 Terminal Connect to solar charger (G3)
C13 Terminal Connect to SPLM light bulb
C14 Terminal Connect to LED green
C15 Terminal Connect to LED red
C16 Terminal Connect to LED yellow C17 Terminal Connect to LED blue
C18 Terminal Connect to alarm horn al Normally open relay
rl Resistor
r2 Resistor
a2 Normally close/open relay
dl Diode
a3 Normally open relay
a4 Normally close relay
a5 Normally close relay
a6 Normally open relay
zl 12 volt Zena diode
a7 Normally close/open relay
a8 Normally close relay
a9 Normally open relay
bl Normally open relay
b2 Normally close relay
b3 Normally close relay
b4 Normally open relay
b5 Normally close relay
b6 Normally close relay
b7 Normally close/open relay
b8 Normally close relay
b9 Normally close relay
e l Normally close relay
e2 Normally open relay
d2 Diode
d3 Diode
d4 Diode
cpl Capacitor
d6 Diode
d7 Diode
d8 Diode
d9 Diode
dlO Diode
d l Diode
dl2 Diode
d!3 Diode
dl4 Diode
dl 5 Diode dl6 Diode
dl 7 Diode
Fig. 3 SPLM control unit grounding
F31 Terminal Connect to SPLM control unit terminal CI
F32 Ground (-) Connect to ground
Fig. 4 SPLM system battery
F41 Terminal Connect to SPLM control unit terminal C2
F42 Battery
F43 Ground (-) Connect to ground
Fig. 5 Photo cell resistor
F51 Terminal Connect to SPLM control unit terminal C3
F52 Photo cell resistor
F53 Ground Connect to ground
Fig. 6 Parking light switch
F61 Positive terminal Connect to vehicle battery positive terminal
F62 Parking light switch
F63 Terminal Connect to SPLM control unit terminal C4
F64 Terminal Connect to vehicle parking light bulb
Fig. 7 Automatic/manual mode
select switch
F71 Terminal Connect to SPLM control unit terminal C6
F72 Switch
F73 Terminal Connect to ground SPLM control unit terminal C5
Fig. 8 Activate/reject switch
F81 Terminal Connect to SPLM control unit terminal C8
F82 Push switch
F83 Terminal Connect to SPLM control unit terminal C7
Fig. 9 Activate/reject cancel switch
F91 Terminal Connect to SPLM control unit terminal CIO
F92 Push switch
F93 Terminal Connect to SPLM control unit terminal C9
Fig. 10 Ignition switch
F101 Vehicle battery positive Connect to vehicle battery terminal positive
F102 Ignition switch
F 103 terminal Connect to vehicle accessories
F104 Vehicle ignition terminal Connect to vehicle ignition
F 105 Terminal Connect to SPLM control unit terminal C 1 1
F106 Vehicle starter terminal Connect to vehicle starter
Fig. 11 Solar charger
F1 13 Ground Connect to Ground (-)
F112 Solar charger
Fi l l Terminal Connect to SPLM control unit terminal C12
Fig. 12 SPLM light bulb
F121 Terminal Connect to SPLM control unit terminal CI 3
F122 Bulb
F123 Ground Connect to Ground (-)
Fig. 13 Display unit
F131 Terminal Connect to SPLM control unit terminal C14
F132 Terminal Connect to SPLM control unit terminal CI 5
F133 Terminal Connect to SPLM control unit terminal CI 6
F134 Terminal Connect to SPLM control unit terminal CI 7
F135 Terminal Connect to SPLM control unit terminal CI 8 F136 Ground Connect to ground (-)
F137 LED green
F138 LED red
F139 LED yellow
F1310 LED blue
F1311 Horn
Current and signal flow in the SPLM system circuit diagram
Negative polarity is conduct from ground through terminal cl to relay al switch point at pin 3 and relay al coil at pin 1.
Current from SPLM battery positive terminal flow through terminal c2 then through resistor r2 and through resistor rl to relay al coil at pin 1 when the resistance of the photo cell resistor connect to terminal c3 depending on the ambient light condition is greater than the resistance of resistor rl or the current flow through resistor r2 will flow through the photo cell resistor connected to terminal c3 to ground when the resi stance of the photo cell resistor is lower than the resistance of the resistor rl depending on the ambient light condition.
Current from the SPLM battery positive terminal flow through terminal c2 and through terminal c6 to manual/automatic select switch common.
Current from the SPLM battery positive terminal flow through terminal c2 and through terminal c8 to activate/reject switch common.
Current from the SPLM battery positive terminal flow through terminal c2 and through terminal clO to activate/reject cancel switch common.
Current from the SPLM battery positive terminal is conduct at relay a3 switch point pin 5, through terminal c2 and through relay a5 switch point pin 3 and pin 4.
Current from the SPLM battery positive terminal is conduct at relay a6 switch point pin 5 through terminal c2.
Current from the SPLM battery positive terminal flow through terminal c2 to relay b 1 coil pin 1, the said current is conduct at relay bl switch point at pin 3.
Current from the SPLM battery positive terminal flow through terminal c2 to relay b4 coil pin 1, the said current is conducted at relay b4 switch point at pin 3.
Current from the SPLM battery positive terminal flow through terminal c2, through relay b6 switch point pin 3 and 4, then through five pins relay b7 switch point pin 3 and 4 to display panel LED through terminal cl6.
When the parking light switch is turn ON, current from the parking light switch flow through terminal c4 to relay a8 coil pin 1 and relay b2 coil pin 1.
At automatic mode, current from manual/automatic switch flow through terminal c5 to relay a2 coil pin 1 , relay a7 coil pin 1 and relay b7 coil pin 1. When activate/reject switch is activate, current from activate/reject switch flow through terminal c7 to relay a3 coil pin 1.
When activate/reject cancel switch is activate, current from activate/reject cancel switch flow through terminal c9 to relay a4 coil pin 1.
When the ignition switch is turn ON, current from the ignition switch flow through terminal cl 1 to relay a5 coil pin 1.
The said current from the ignition switch flow through terminal cl 1 , through diode dl4 to charge capacitor cpl . The current through terminal el l flow through diode dl4, diode d 15 and relay el switch point pin 3 and pin 4 to display panel horn.
The said current from ignition switch through terminal cl 1 flow through diode d3 and diode d6 to relay b6 coil pin 1 , the said current through terminal cl 1 flow through diode d3 to relay a8 coil pin 1 and relay b2 coil pin 1.
When the SPLM solar charger charge at a specific given volts, current from the solar charger flow through terminal cl2 through zena diode zl to relay a6 coil pin 1 , the said current through terminal cl2 is conduct at relay a6 switch point pin 3.
Available current at relay bl switch pin 5, flow through terminal cl3 to SPLM additional parking light bulb and through terminal cl4 to display panel LED, the said current flow to relay b5 coil pin 1 and relay b6 coil pin 1.
Available current at relay b4 switch point pin 5, flow through relay b5 switch pin 3 and pin 4 then through terminal cl5 to the display panel LED.
Available current at relay b9 switch pin 4, flow through terminal cl6 to display panel LED.
Available current at relay bl switch pin 5 or relay b8 switch pin 4 flow through terminal c l 7 to display panel LED.
OPERATION
At ignition switch turn ON at higher ambient light intensity where the SPLM additional parking light is not require.
Due to the higher intensity of the ambient light, the resistance of the photo cell resistor is lower than resistance of resistor rl, current from the battery through terminal c2 flow through resistor r2 and through photocell resistor to ground. Relay al remain open.
When the vehicle ignition switch is turn ON, where the ambient light intensity is higher than the specified ambient light to require the additional parking light, current from ignition switch through terminal cl 1 flow to relay a5 pin 1 to energize coil due to ground conduct at pin 2 to open contact at pin 3 and 4 to prevent possible flow current from the SPLM battery to relay a3 pin 5.
Ignition current from terminal cl 1 flow to charge capacitor cpl , the said ignition current flow to relay el pin 1 to energize coil due to ground conduct at pin 2 to open contact at pin 3 and 4 to prevent possible flow of current to display panel warning horn through terminal cl 8.
Ignition current from terminal cl 1 flow to relay b6 pin 1 to energize coil due to ground available at pin 2 to open contact pin 3 and 4 to prevent possible flow of current to display panel LED through relay b7 contact points.
The ignition current is conduct at relay b2 pin 1 and relay a8 pin 1 , the contact points of relay a8 and b2 remain close due to the open contact of relay al pin 3 and 5 which insulate relay a8 pin 2 and relay b2 pin 2 from ground.
MANUAL MODE OPERATION When manual mode is select
At manual mode, the automatic/manual switch is not activate and that result relay a2 coil is not energize and contact remain close at pin 3 and 4, relay a7 coil is not energize and contact remain close at pin 3 and 4, relay b7 coil is not energize and contact remain close at pin 3 and 4.
At manual mode, when the ignition is switch off where the ambient light is higher than the specify ambient light condition to require SPLM additional parking light.
At last ignition switch off where ambient light condition is higher than the specified ambient light condition to require SPLM additional parking light, normally open relay al contact point pin 3 and 5 remain open, the flow of current from the ignition switch through terminal c l 1 to relay a5 coil pin 1, capacitor cpl, relay el coil pin 1, relay e2 coil pin 1 , relay a8 coil pin 1 , relay b2 coil pin 1 and relay b6 coil pin 1 is cut, the energize relay a5 coil collapse to close contact at pin 3 and 4 to conduct current from terminal c2 at relay a3 pin 5.
the flow of current from the ignition switch through terminal cl 1 is cut, the energize coil relay el collapse to close contact pin3 and 4, current from the charge capacitor cpl flow through relay el close contact point pin 3 and 4 to the display panel warning horn, this effect an audible reminder to the driver as last ignition turn off indication, when the electrical energy in the capacitor cpl is exhausted, the flow of current from the capacitor c l is cut to stop audible sound as reminder. When the flow of current from terminal cl 1 cut, the energize coil relay b6 collapse to close contact pin 3 and 4. current from SPLM battery positive terminal through terminal c2 flow through relay b6 close contact pin 3 and 4 and then flow through relay b7 close contact at pin 3 and 4 to display panel LED yellow, this indication that the SPLM is not manually activate after last ignition switch off.
Current conduct at relay a8 pin 1 and relay b2 pin 1 is cut.
At manual mode, when the SPLM is manually activate after the ignition is switch off where ambient light is higher than the specified ambient light condition to require SPLM additional parking light.
When the activate/reject switch is activate at higher ambient light condition where the ignition switch is off, current from the activate/reject switch through terminal c7 flow to relay a3 coil pin 1 to energize coil due to ground available at pin 2 which is conduct through relay a4 contact point pin 3 and 4. Relay a3 contact point is close at pin 3 and 5, current from SPLM battery positive terminal through terminal c2 and normally close relay a5 pin 3 and 4, flow through the close relay a3 contact point, through diode dl to relay a3 coil pin 1 to maintain relay a3 coil energize and contact point remain close when the current flow from terminal c7 is cut. The current from the SPLM battery through the close relay a3 contact point pin 3 and 5 flow through relay a2 contact point pin 3 and 4 to relay a9 coil pin 1 , relay b8 coil pin I . Relay a9 coil is not energized and contact pin 3 and 5 remain open due to relay a9 pin 2 insulate from ground.
Normally close relay b8 coil is not energized and contact pin 3 and 4 remain close due to relay b8 pin 2 insulate from ground.
The current from the SPLM battery through the close relay a3 contact point pin 3 and 5 flow through relay a2 contact point pin 3 and 4, through the normally close relay b8 contact pin 3 and 4 to display panel LED blue to indicate that the SPLM is manually activate at manual mode.
At manual mode, when the specified ambient light condition which require SPLM additional parking light is attain where the active/reject is activate,
When the specified ambient light condition to require SPLM additional parking light is attain, the resistance of the photo cell resistor is higher than the resistance of resistor rl , current from the SPLM battery flow through terminal c2, resistor r2 and resistor rl to relay al coil pin 1 to energize coil due to ground available at pin 2, relay al contact point close at pin 3 and 5 to conduct ground at terminal cl through the close relay al contact point pin 3, 5 and relay a7 contact point pin 3 and 4 to relay a9 pin 2 to energize coil due to current available at pin 1 to close relay a9 contact pin 3 and 5. Relay bl coil pin 2 is conduct to ground at terminal cl through the close relay a9 pin 3 and 5, normally close relay a8 contact pin 3 and 4, relay a7 contact pin 3, 4 and the close relay al contact pin 3 and 5. Relay bl coil is energize and contact close at pin 3 and 5. SPLM battery current from terminal c2 flow through the close relay bl contact pin 3 and 5 to SPLM additional parking light bulb through terminal cl3 to give light which indicate the parking space of the heavy duty vehicle, the said current through relay bl contact pin 3 and 5 flow to the display panel LED green through terminal cl4 to indicate that the SPLM additional parking light is switch ON. The said current through relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent current flow to the display panel LED red through terminal cl 5. Ground is conduct at relay b8 pin 2 to energize coil to open contact at pin 3 and 4 to prevent current flow to display panel LED blue through terminal c 17.
When the vehicle parking light is turn ON where the SPLM additional parking light is already switch ON as required.
Current from the parking light switch through terminal c4 and diode d2 flow to relay a8 coil pin 1 to energize relay a8 coil to open contact point at pin 3 and 4 to prevent possible flow of current to relay bl pin 2 to ground through the close relay a7 contact pin 3, 4, the close relay al contact pin 3, 5 and then terminal cl . The energize relay bl coil collapse to open contact at pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal cl3, display panel LED green through terminal cl4, relay b5 coil pin 1 and relay b6 coil pin 1. The SPLM additional parking light bulb and the display panel LED green are switch off.
Current from the parking light switch through terminal c4, diode d2 and d6 flow to relay b6 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent the possible flow of current to display panel LED yellow through relay b7 at pin 3, 4 and terminal Cl 6.
Current from the parking light switch through terminal c4 and diode d2 flow to relay e2 coil pin 1 to energize coil to close contact at pin 3 and 5 to conduct relay b8 coil pin 2 to ground. Relay b8 coil is energize to open contact at pin 3 and 4 to prevent the possible flow of current to display panel LED blue through terminal cl7 when current flow to relay b8 coil pin 1
When the vehicle ignition is turn ON and OFF where the SPLM additional parking light is switch ON as required.
When the vehicle ignition switch is turn ON, current from the ignition switch through terminal cl 1 and diode d3 flow to relay a8 coil pin 1 to energize relay a8 coil to open contact point at pin 3 and 4 to prevent the possible conduction of relay bl coil pin 2 to ground through the relay a7 contact pin 3, 5, the close relay al contact pin 3, 5 and then terminal cl . The energize relay bl coil collapse to open contact at pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal c l3, display panel LED green through terminal cl4. The SPLM additional parking light bulb and the display panel LED green are switch off.
Current from the ignition switch through terminal cl 1, diode d3 and d6 flow to relay b6 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent the possible flow of current to display panel LED yellow through the relay b7 at pin 3, 4 and terminal C16. Current from the ignition switch through terminal cl 1 and diode d3 flow to relay e2 coil pin 1 to energize coil to close contact at pin 3 and 5 to conduct relay b8 coil pin 2 to ground. Relay b8 coil is energize to open contact at pin 3 and 4 to prevent the possible flow of current to display panel LED blue through terminal cl7.
Current from the ignition switch through terminal cl 1 flow to relay a5 coil pin 1 to energize coil to open contact at pin 3 and 4 to cut the flow of current from the SPLM battery through terminal c2, relay a3 contact pin 3 and 5 to relay a3 coil pin 1. the energize relay a3 coil collapse to open contact at pin 3 and 5, the flow of current through relay a3 contact pin 3 and 5 to relay b8 coil pin 1 and relay a9 coil pin 1 and the possible flow of current to display panel LED blue through relay b8 contact pin 3, 4 and terminal c l 7 is cut. The energize relay a9 coil collapse to open contact at pin 3 and 5 to prevent the possible conduction of relay bl coil pin 2 to ground.
When the ignition key is switch OFF, the flow of current from the ignition switch through tenninal cl 1 to relay a5 pin 1, relay b6 pin 1, relay a8 pin 1, relay b5, relay b2 pin l relay el pin 1, capacitor cpl and relay e2 is cut.
Relay a9 contact pin 3 and 5 remain open to insulate relay bl coil pin 2 to ground, relay bl contact pin 3 and 5 are open to cut the flow of current to SPLM additional parking light bulb, the SPLM additional parking light bulb remain OFF
The energize relay el coil collapse to close contact at pin 3 and 4, current from capacitor cpl flow through diode dl5, normally close relay el contact pin 3, 4 and terminal cl8 to alarm (horn) to indicate the need for SPLM manual activate after last ignition switch off. The energize relay a8 coil collapse to close contact at pin 3 and 4.
The energize relay b5 coil collapse to close contact close at pin 3 and 4, current from the SPLM battery through terminal c2, the close relay b4 contact pin 3, 5 and normally close relay b5 contact pin 3 and 4 to display panel LED red to indicate that the SPLM additional parking light is not switch ON where the SPLM additional parking light is require.
When the SPLM system is not manually activate until the specify ambient light condition is attain where the SPLM additional parking light is require.
At ignition switch off where the ambient light condition is higher than the specify ambient light condition to require SPLM additional parking light, normally open relay al contact pin 3 and 5 remain open, the flow of current from the ignition switch through terminal el l to relay a5 coil pin 1, capacitor cpl, relay el coil pin 1 , relay e2 coil pin 1 , relay a8 coil pin 1 , relay b2 coil pin 1 and relay b6 coil pin 1 is cut, the energize relay a5 coil collapse to close contact at pin 3 and 4 to conduct current from terminal c2 at relay a3 pin 5.
The flow of current from the ignition switch through terminal cl 1 is cut, the energize relay el coil collapse to close contact pin3 and 4, current from the charge capacitor cpl flow through relay el close contact point pin 3 and 4 to the display panel warning horn as an audible reminder to the driver to manually activate the SPLM after last ignition turn off, when the electrical energy in the capacitor cpl is exhausted, the flow of current from the capacitor cpl is cut to stop audible reminder.
When the flow of current from terminal cl 1 cut, the energize coil relay b6 collapse to close contact pin 3 and 4. current from SPLM battery positive terminal through terminal c2 flow through relay b6 close contact pin 3 and 4 and then flow through relay b7 close contact at pin 3 and 4 to display panel LED yellow as a visual indication for SPLM not manually activate after last ignition switch off.
When the specified ambient light condition to require the SPLM additional parking light is attain, relay al coil is energize to close contact at pin 3 and 5 to conduct ground at relay al contact pin 5. The said ground is conducted at relay a9 pin 2, relay a9 coil is not energize due to SPLM not manually activate as a result no current is available at relay a9 pin 1. relay bl contact point pin 3 and 5 remain open and the SPLM additional parking light bulb remain off.
Current from the SPLM battery through terminal C2 flow to relay b4 coil pin 2 to energize coil to close contact at pin 3 and 5. current through terminal C2 flow through the close contact relay b4 pin 3and 5, normally close relay b5 pin 3, 4 and terminal C15 to display panel LED red, to indicate that the SPLM parking light is off where the SPLM parking light is require.
When the SPLM is manually activate at the specify ambient light condition where the SPLM is require, current from the activate/reject switch through terminal C7 flow to relay a3 coil pin 1 to energize coil due to ground available at pin 2 which conduct through relay a4 contact point pin 3 and 4, relay a3 contact point is close at pin 3 and 5, current from SPLM battery positive terminal through terminal c2 and normally close relay a5 pin 3 and 4, flow through the close relay a3 contact point, through diode dl to relay a3 coil pin 1 to maintain relay a3 coil energize and contact point remain close when current from activate/reject switch through terminal C7 is cut. The current from the SPLM battery through the close relay a3 contact point pin 3 and 5 flow through relay a2 contact point pin 3 and 4 to relay a9 coil pin 1 , relay b8 coil pin 1. Relay a9 coil is energize to close contact at pin 3 and 5 to conduct relay bl pin 2 to ground through relay a8 contact pin 3 and 4, relay a7 contact pin 3 and 4, relay al contact pin 3, 5 and terminal Cl to ground. Relay bl coil is energize and contact close at pin 3 and 5, SPLM battery current from terminal c2 flow through the close relay bl contact pin 3 and 5 to SPLM additional parking light bulb through terminal cl3, The said current through relay bl contact pin 3 and 5 flow to the display panel LED green through terminal cl4 to indicate that the SPLM additional parking light is switch ON. The said current through relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent current flow to the display panel LED red through terminal cl5. Ground is conduct at relay b8 pin 2 to energize coil to open contact at pin 3 and 4 to prevent current flow to display panel LED blue through terminal cl7.
When the SPLM activate/reject cancel switch is activate where the SPLM is manually activate.
When the activate/reject cancel switch is activate, current from the activate/reject cancel switch through terminal C9 flow to relay a4 pin 1 to energize coil to open contact at pin 3 and 4 to cut the flow of current from SPLM battery through relay a3 contact pin 3 and 5 to relay a3 coil pin 1. The energize relay a3 coil collapse and contact open at pin 3 and 5 to cut the flow of current to relay a9 pin 1 through relay a2 contact pin 3 and 4, the energize relay a9 coil collapse and contact open to cut ground conduct at relay bl coil pin 2. Relay bl coil collapse and contact point open to cut the flow of current the SPLM parking light bulb.
AUTOMATIC MODE OPERATION
When automatic mode is select
When the automatic/manual switch is activate for automatic mode, current from the automatic/manual switch through terminal C5 flow to relay a2 pin 1 to energize coil to switch contact from pin 3 and 4 to pin 3 and 5.
Current from the automatic/manual switch flow to relay a7 pin 1 through terminal C5 to energize coil to switch contact from pin 3 and 4 to pin 3 and 5.
Current from the automatic/manual switch flow to relay b7 pin 1 through terminal C5 to energize coil to switch contact from pin 3 and 4 to pin 3 and 5.
At automatic mode, when the ignition is switch off where ambient light is higher than the specify ambient light condition to require SPLM additional parking light
At ignition switch turn off where ambient light condition is higher than the specify condition to require SPLM additional parking light, the flow of current from the ignition switch through terminal cl 1 to relay a5 coil pin 1, capacitor cpl, relay el coil pin 1, relay e2 coil pin 1, relay a8 coil pin 1, relay b2 coil pin 1 and relay b6 coil pin 1 is cut, the energize coil relay a5 collapse to close contact pin at 3 and 4 to conduct current from terminal c2 at relay a3 pin 5.
The energize coil relay el collapse to close contact pin 3 and 4, current from the charge capacitor cpl flow through relay el close contact point pin 3 and 4 to the display panel warning horn, as an audible reminder to the driver for SPLM automatic activate after ignition turn off. When the electrical energy in the capacitor cpl is exhausted, the flow of current from the capacitor cpl is cut to stop audible reminder.
When the flow of current from terminal cl 1 cut, the energize coil relay b6 collapse to close contact pin 3 and 4. Current from SPLM battery positive terminal through terminal c2 flow through relay b6 close contact pin 3 and 4, through the close relay b7 contact at pin 3 and 5 to display panel LED blue, as a visual indication for SPLM automatic activate after ignition switch off.
After ignition switch off, when the specified ambient light condition to required SPLM additional parking light is attain,
When the specified ambient light condition is attain, the resistance of the photo cell resistor is higher than the resistance of resistor rl, current from the SPLM battery flow through terminal c2, resistor r2 and resistor rl to relay al coil pin 1 to energize coil, relay al contact close at pin 3 and 5.
Ground is conduct at relay bl coil pin 2 from terminal cl through the close relay al contact pin 3 and 5, relay a7 contact pin 3 and 5, relay b2 contact pin 4 and 3, and relay b3 contact pin 3 and 4. Relay bl coil is energize due to current available at relay b l coil pin 1 to close contact at pin 3 and 5 to allow current from SPLM battery positive terminal through terminal c2 to switch ON SPLM additional parking light bulb through terminal c 13 to indicate the parking space of the heavy duty vehicle.
Current from SPLM battery positive terminal through terminal c2 flow to display panel LED green through terminal cl4 to indicate that the SPLM additional parking light bulb is switch ON.
Ground is conduct at relay b9 coil pin 2 from terminal cl through the close relay al contact pin 3 and 5, relay a7 contact pin 3, 5 and relay b2 contact pin 4 and 3.
Relay b9 coil is energize due to current available at relay b9 coil pin 1, relay b9 contact is open to prevent the flow of current to display panel LED yellow through terminal cl6.
The SPLM battery current through the close relay bl contact pin 3 and 5 flow to relay b5 coil pin 1 to energize coil due to the available ground at relay b5 coil pin 2 through relay b2 contact pin 3 and 4, relay a7 contact pin 3 and 5, relay al contact pin 3, 5 and terminal cl . Normally close relay b5 contact pin 3 and 4 is open to prevent the flow of current to the display panel LED red through terminal c 15. The SPLM battery current through relay bl close contact pin 3 and 5 flow to relay b6 coil pin 1 to energize coil due to available ground at relay b6 coil pin 2, the normally close relay b6 contact pin 3 and 4 is open to prevent the flow of current from the SPLM battery to the display panel LED blue through the close relay b7 contact pin 3 and 5 and then terminal cl5.
After ignition switch off, when the vehicle parking light is switch ON where the SPLM additional parking light is already switch ON as require by the SPLM functions.
Current from the parking light switch through terminal c4 and diode d2 flow to relay b2 coil pin 1 to energize relay b2 coil to open contact point at pin 3 and 4 to insulate relay bl pin 2 to ground through the close relay a7 contact pin 3, 5 and then terminal c l . the energize relay b l coil collapse to open contact at pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal cl 3, display panel LED green through terminal cl4, relay b5 coil pin 1 and relay b6 coil pin 1. The SPLM additional parking light bulb and the display panel LED green are switch off.
Current from the parking light switch through terminal c4, diode d2 and d6 flow to relay b6 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent the flow of current to display panel LED blue through the close relay b7 at pin 3, 5 and terminal C17.
Current from the parking light switch through terminal c4 and diode d2 flow to relay e2 coil pin 1 to energize coil to close contact at pin 3 and 5 to conduct relay b9 coil pin 2 to ground. Relay b9 coil is energize to open contact at pin 3 and 4 to prevent the flow of current to display panel LED yellow through terminal cl6.
When the vehicle ignition is turn ON where the SPLM additional parking light is already switch ON as require by the SPLM functions.
Current from the ignition switch through terminal c l 1 and diode d3 flow to relay b2 coil pin 1 to energize relay b2 coil to open contact point at pin 3 and 4 to insulate relay b l pin 2 to ground through the close relay a7 contact pin 3 and 5, the close relay al contact pin 3, 5 and then terminal cl . the energize relay bl coil collapse to open contact at pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal c l3, display panel LED green through terminal cl4, relay b5 coil pin 1 and relay b6 coil pin 1 . The SPLM additional parking light bulb and the display panel LED green are switch off. Current from the ignition switch through terminal cl 1, diode d3 and d6 flow to relay b6 coil pin 1 to energize coil to open contact at pin 3 and 4 to prevent the flow of current to display panel LED blue through the close relay b7 at pin 3, 5 and terminal C17.
Current from the ignition switch through terminal cl 1 and diode d3 flow to relay e2 coil pin 1 to energize coil to close contact at pin 3 and 5 to conduct relay b9 coil pin 2 to ground. Relay b9 coil is energize to open contact at pin 3 and 4 to prevent the flow of current to display panel LED yellow through terminal cl6 when current flow to relay b9 coil pin 1 .
When the activate/reject switch is activate where the SPLM additional parking light is already switch ON as require by the SPLM functions.
At ignition switch off, when the activate/reject switch is activate at the specify ambient light condition where the SPLM parking light is require, current from the activate/reject switch through terminal c7 flow to relay a3 coil pin 1 to energize coil due to ground available at pin 2 which is conduct through relay a4 contact point pin 3 and 4, relay a3 contact point is close at pin 3 and 5. current from SPLM battery positive terminal through terminal c2 flow through the close relay a3 contact point, through diode dl to relay a3 coil pin 1 to maintain relay a3 coil energize and contact point close when current from terminal c7 cut. the current from the SPLM battery through the close relay a3 switch point pin 3 and 5 flow through relay a2 switch point pin 3 and 5 to relay b3 coil pin 1. Relay b3 coil is energize to open normally close contact pin 3 and 4 due to the available ground at pin 2 through relay a7 pin 3 and 5, relay al pin 3, 5 and terminal cl . Relay bl pin 2 is insulated from ground, the energize relay bl coil collapse to open contact pin 3 and 5 to cut the flow of current to SPLM additional parking light bulb through terminal c l3, display panel LED green through terminal cl4, relay b5 coil pin 1 and relay b6 coil pin 1. The SPLM additional parking light bulb and the display panel LED green are switch off.
The energize normally close relay b5 coil collapse to close contact at pin 3 and 4, current from the SPLM battery through terminal C2 and the close relay b4 contact pin 3 and 5 flow through relay b5 contact pin 3, 4 and terminal cl5 to display panel LED red to indicate that the SPLM parking light is switch OFF by the user when require by the SPLM functions.
Current from the SPLM battery through the close relay a3 switch point pin 3 and 5 flow through relay a2 switch point pin 3 and 5 to relay b9 coil pin 1 to energize coil due to available ground at pin 2 to open contact at pin 3 and 4 to prevent the flow of current to display panel LED yellow through terminal C16.
At ignition switch off, when the activate/reject switch is activate where ambient light is higher than the specified ambient light condition to required SPLM additional parking light.
When the activate/reject switch is activate at higher ambient light condition where the ignition switch is off. Relay al contact point remain open due to ambient light condition. Current from the activate/reject switch through terminal c7 flow to relay a3 coil pin 1 to energize coil due to ground available at pin 2 which is conduct through relay a4 switch point pin 3 and 4. Relay a3 contact point is close at pin 3 and 5. Current from SPLM battery positive terminal through terminal c2 flow through the close relay a3 contact point, through diode dl to relay a3 coil pin 1 to maintain relay a3 coil energize and switch point close when the current from terminal c7 cut. The current from the SPLM battery through the close relay a3 switch point pin 3 and 5 flow through relay a2 switch point pin 3 and 5 to relay b3 coil pin 1. Relay b3 coil is not energize due to pin 2 insulate from ground.
The said current through the close relay a2 switch point pin 3 and 5 flow to relay b9 pin 1 , relay b9 coil is not energize due to pin 2 insulate from ground (relay al remain open due to ambient light condition) relay b9 remain close.
The said current through the close relay a2 switch point pin 3 and 5 flow through the close relay b9 switch point pin 3 and 4 through terminal cl6 to display panel LED yellow to indicate that the SPLM is deactivate at higher ambient light condition where the SPLM parking is not require.
The said current through the close relay a2 switch point pin 3 and 5 flow through diode d9 to relay b6 pin 1 to energize coil due to ground available at pin 2, relay b6 contact point is open at pin 3 and 4 to prevent the flow of current from terminal c2 to the display panel LED blue through terminal cl7.
At ignition switch off, when activate/reject switch is activate before the specify ambient light condition which require the SPLM parking light is attain.
When the speci fi ed ambient light condition is attain the resistance of the photo cel l resistor is higher than the resistance of resistor rl , current from the SPLM battery through terminal c2, resistor r2 and resistor rl flow to relay al coil pin 1 to energize coil due to ground available at pin 2, relay al contact point close at pin 3 and pin 5.
Ground is conducted at relay b9 pin 2 through diode d5, relay b2 contact point pin 3 and 4, relay a7 contact point pin 3 and 5, to energize coil to open contact at pin 3 and 4 to cut the flow of current to the display panel LED yellow.
Ground is conducted at relay b4 pin 2 through relay b2 contact point pin 3 and 4 to energize relay b4 coil to close contact pin 3 and 5, the SPLM battery current from terminal c2 flow through the close contact at relay b4 pin 3 and 5, relay b5 normally close contact pin 3 and 4 to display panel LED red through terminal cl 5 to indicate that the SPLM additional parking light is reject by the user when require.
When the ignition key is turn ON and OFF where activate/reject switch function is in effective at automatic mode.
When the ignition key is turn ON, current from the ignition switch through temiinal cl 1 flow to relay a5 coil pin 1 to energize coil to open the normally close contact pin 3 and 4 to cut the flow of current from the SPLM battery positive terminal through terminal c2 to relay a3 contact point pin 1 through relay a3 contact point pin 3 and 5. the energized relay a3 coil collapse to open contact point at pin 3 and 5, the flow of current from terminal c2 to relay b3 coil pin 1 , relay b9 coil pin 1 , relay b6 coil pin 1 and display panel LED yellow is cut, (the activate/reject switch function is disable). When the ignition key is turn ON, the activate/reject switch function remain disable.
When the activate/reject cancel switch is activate where activate/reject switch is effective.
When the activate/reject cancel switch is activate, current from the active/reject cancel switch through terminal c9 flow to relay a4 coil pin 1 to energize coil due to ground available at pin 2 to open contact pin 3 and 4 to cut ground conduct at relay a3 pin 2, the energized relay a3 coil collapse to open contact point at pin 3 and 5, the flow of current from terminal c2 to relay b3 coil pin 1, relay b9 coil pin 1, relay b6 coil pin 1 and display panel LED yellow is cut, the activate/reject switch function is disable.

Claims

CLAIM I claim:
1. The presented invention "Supplementary Parking Light Monitor (SPLM)" is a supplementary electronic control parking light system to the original parking light for the heavy duty motor vehicle which automatically operate to provide light to indicate the parking space of the heavy duty vehicle where the vehicle igni tion is off and the original vehicle parking light is not available.
2. The SPLM system is capable of turning ON and OFF at least one attractive light to indicate the parking space of the heavy duty vehicle at dark weather condition depending on the position of the. original. parking, light , switch, the-position of the ignition switch and the ambient light condition indicating dark or bright weather condition.
3. The SPLM system provides an automatic and manual activation options switch for the user to select by choice for the following:
1. For an automatic activation of the SPLM control unit to begin operation when an electric signal from the ignition switch receive by SPLM control unit indicate that the vehicle ignition switch is turn OFF, call the
Automatic mode.
2. To allow for self manual activation by the user for the SPLM control unit to begin operation when an electric signal from the ignition switch receive by SPLM control unit indicate that the vehicle ignition switch is turn OFF, call the Manual mode.
4. When the SPLM system is activate to operate, the SPLM control unit
automatically switch ON the SPLM parking light when the following electric signals are detect at the SPLM control unit terminals:
1. Signal from the vehicle parking light switch receive by the SPLM control unit that indicate the vehicle parking light is turn OFF.
2. Signal from the SPLM ambient light sensor receive by the SPLM control unit that indicate the specify dark weather or dark ambient light condition
3. Signal from the ignition switch receive by SPLM control unit that indicate the ignition switch is turn off.
5. When the SPLM system is activate to operate, the SPLM control unit
automatically switch OFF the SPLM parking light when any of the following electric signals is not detect at the SPLM control unit terminals:
1. Signal from the vehicle parking light switch receive by the SPLM control unit that indicate the vehicle parking light is turn OFF.
2. Signal from the SPLM ambient light sensor receive by the SPLM control unit that indicate the specify dark weather or dark ambient light condition.
3. Signal from the ignition switch receive by the SPLM control unit that indicate the ignition switch is turn off.
6. When the SPLM system is activate to operate under automatic mode select by the user, the SPLM system is temporally deactivate by a switch signal when send from the switch and receive by the SPLM control unit.
7. Further to claim 6, when the SPLM system is temporally deactivate, the SPLM system is reactivate by the SPLM control unit when any of the following is effective.
1. When the vehicle ignition switch is turn ON and OFF.
2. When the switch signal to reactivate the SPLM system is send and receive by the SPLM control unit.
8. When the SPLM system is activate to operate under automatic mode select by the user where the SPLM control unit turn ON the SPLM system parking light when require, the SPLM system is temporally deactivate to turn OFF the SPLM system parking light by a switch signal when send from the switch and receive by the SPLM control unit.
9. Further to claim 8, when the SPLM system is temporally deactivate, the SPLM system is reactivate to turn ON the SPLM system parking light by the SPLM control unit when any of the following is effective.
1. When the vehicle ignition switch is turn ON and OFF.
2. When the switch signal to reactivate the SPLM system is send and receive by the SPLM control unit.
10. At automatic mode select by the user, the SPLM display panel provides an
audible and visual information to specifically indicate that the SPLM is automatically activate to operate after the ignition switch is turn OFF.
1 1. At automatic mode select by the user, the SPLM display panel provides information to specifically indicate that the SPLM is temporally deactivate where the SPLM system parking light is not require.
12. At automatic mode select by the user, the SPLM display panel provides
information to specifically indicate the SPLM system parking light is switch ON by the SPLM control unit where the SPLM parking light is require by conditions.
13. At automatic mode select by the user, the SPLM display panel provides
information to specifically indicate that the SPLM system parking light is temporally switch OFF by the SPLM system switch where the SPLM parking light is require.
14. At manual mode select by the user, the SPLM system is manually activate to operate by the user after the vehicle is park with ignition switch turn OFF.
15. Further to claim 14, where the SPLM is manually activate, the SPLM system is deactivate when any of the following is effective.
1. When the vehicle ignition switch is turn ON and OFF.
2. When a switch signal to deactivate the SPLM system is send and receive by the SPLM control unit.
16. At manual mode select by the user, when the SPLM system is manually activate · to operate by the user after the vehicle is park with ignition switch turn OFF, where the SPLM control unit turn ON the SPLM system parking light when require, the SPLM system parking light is turn OFF by the SPLM control unit when any of the following is effective.
1 . When the vehicle ignition switch is turn ON and OFF.
2. When a switch signal to deactivate the SPLM system is send and receive by the SPLM control unit.
17. At manual mode select by the user, the SPLM display panel gives an audible and visual information to specifically indicate that the SPLM system is not activate after the vehicle is park with ignition switch turn OFF.
18. At manual mode select by the user, the SPLM display panel gives information to specifically indicate that the SPLM system is manually activate by the user after ' the vehicle is park with ignition switch turn OFF.
19. At manual mode select by the user, the SPLM display panel gives information to specifically indicate that the SPLM parking light is switch ON by the SPLM control unit where the SPLM parking light is require by condition.
20. At manual mode select by the user, the SPLM display panel gives information to. specifically indicate that the SPLM parking light is not switch ON by the SPLM control unit where the SPLM parking light is require by conditions.
21. At manual mode, the SPLM display panel gives information to specifically
indicate that the SPLM system is not activate after the vehicle is park with ignition switch turn OFF where the SPLM parking light is require by condition.
PCT/GH2013/000002 2012-12-28 2013-03-26 Supplementary parking light monitor WO2014128513A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GHGH/P/12/00031 2012-12-28
GH2012000031 2012-12-28

Publications (1)

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WO2014128513A1 true WO2014128513A1 (en) 2014-08-28

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Application Number Title Priority Date Filing Date
PCT/GH2013/000002 WO2014128513A1 (en) 2012-12-28 2013-03-26 Supplementary parking light monitor

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1341724A (en) * 1962-10-02 1963-11-02 Device for automatic switching on and off of sidelamps on motor vehicles
DE9416109U1 (en) * 1994-10-06 1994-12-01 Heidrich, Thomas, 37154 Northeim Parking light switch with twilight switch via existing turn signal switch
WO2007144222A1 (en) * 2006-06-14 2007-12-21 Robert Bosch Gmbh Device for controlling light sources of a motor vehicle and a method for controlling a stationary-state lighting system for a motor vehicle
WO2008044077A2 (en) * 2006-08-25 2008-04-17 Charles Otabil Supplementary parking light

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1341724A (en) * 1962-10-02 1963-11-02 Device for automatic switching on and off of sidelamps on motor vehicles
DE9416109U1 (en) * 1994-10-06 1994-12-01 Heidrich, Thomas, 37154 Northeim Parking light switch with twilight switch via existing turn signal switch
WO2007144222A1 (en) * 2006-06-14 2007-12-21 Robert Bosch Gmbh Device for controlling light sources of a motor vehicle and a method for controlling a stationary-state lighting system for a motor vehicle
WO2008044077A2 (en) * 2006-08-25 2008-04-17 Charles Otabil Supplementary parking light

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