US 20110181242A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2011/0181242 A1 (43) Pub. Date: Lee (54) MULTI-CHEMISTRY BATTERY CHARGING (52) Jul. 28, 2011 US. Cl. ...................................................... ..
Patent Application Publication Jul. 28, 2011 Sheet 1 of6 US 2011/0181242 A1 FIGURE 1 100\ System lnitlalizalion & Battery inserted? Battery insertion Monitoring 103 Apply Load to test Battery Full Battery Condition Voltage? & Flashing indicator 104 Apply High Bad Battery Current Test Voltage? Charge to Battery for up to x minutes Y Battery Voltage Rise > 1.
Patent Application Publication Jul. 28, 2011 Sheet 2 0f 6 US 2011/0181242 A1 FIGURE 2 LCD Shows Selected Channel Number, Battery Charging Centre Positive & Negative ‘ status & Selected Dc out Contacts Within Each Slot Are for Charging 1.2 81 1.5V Batteries. Voltage Level. Channel 1, 2, 3 or 4 Select Button DC Out Voltage Select The 2 Round Terminals Within Each Slot Are for USB LED Charging 9V Batteries.
Patent Application Publication Jul. 28, 2011 Sheet 3 of6 US 2011/0181242 A1 FIGURE 4 - Variable DC-Out port is ON. — Graphical illustration of battery cell being u CAUTION - Care is required when making charged. C-Out voltage selection as over-voltage may lead to damage of equipment being powered. ALWAYS select voltage ?rst and then plug in device. - Battery is being analysed. \ — Standard charging for sensitive batteries. Select 4.2V —- to power devices accepting 3.0V — 4.5V input.
Patent Application Publication Jul. 28, 2011 Sheet 4 0f 6 US 2011/0181242 A1 FIGURES Individual slot has metal connectors as shown with Centre metal bar has insolated side walls centre metal plate acts as positive terminal for preventing 9V battery terminals from shorting with 1.2/ 1.5V battery while the round knobs terminals. charging of 9V battery. Negative metal sliding bar helps pushing the connected battery firmly against the positive terminals. 1.2/1.
Patent Application Publication Jul. 28, 2011 Sheet 5 0f 6 US 2011/0181242 A1 FIG U R E 7 DC Power In A Voltage USE OUT “ Regulator Buck I . Converter _____J Filter K J v DC-OUT ‘ ‘I,’ / \.i‘ \FL/ {/7 Battery 1 I, [1/ LCD ’ // ’: X \ / ‘ Battery 2 \ X/Y‘ LCD D ' rlver //1~_ ' ' ‘ MCU J\\ . Battery/3 CONTROLLER \FMi‘ / —\__ Y — "\ // LEDs r——*~ VMW/ / Push Buttons ____.
Patent Application Publication Jul. 28, 2011 Sheet 6 0f 6 US 2011/0181242 A1 FIGURE 3 2 .
Jul. 28, 2011 US 2011/0181242 A1 range of short comings that made them unreliable and/or MULTI-CHEMISTRY BATTERY CHARGING SYSTEM AND METHOD OF IDENTIFYING unsafe to use. Clearly there is a need to come up With a AND IMPROVED CHARGING TECHNIQUE multi-chemistry battery recharging system that can overcome FOR PRIMARY AND SECONDARY DRY-CELL BATTERIES most if not all of the short-comings knoWn that are reliable FIELD OF THE INVENTION for discriminating betWeen primary and secondary batteries.
Jul. 28, 2011 US 2011/0181242 A1 [0015] It is therefore an object of the present invention to provide a charger that is capable of identifying primary non nals to all the charging terminals to sense for the presence of [0016] It is another object of the present invention to pro vide a charger that is capable of safely recharging the Widest batteries across all available battery bays.
Jul. 28, 2011 US 2011/0181242 A1 suitable for charging alkaline batteries and the charging pro batteries at home and at Work. It’s safe, it’s easy to use, it saves cess continues until the full charge 1.7V limit is reached. money and helps the environment.
Jul. 28, 2011 US 2011/0181242 A1 The following describes the method of the multi leakage or deposit on the terminals. These should be disposed chemistry battery charging system and method of identifying and improved charging technique for primary and secondary [0052] of immediately to avoid subsequent damage to the charger dry cell batteries. and/or electronic devices.
US 2011/0181242 A1 Step 3: Observing the Chargers Status. LCD Indicators: [0059] Refer to FIG. 4 for a full list of explanations of the essential indicators. Jul.
US 2011/0181242 A1 Ju .28, 2011 Channél 1_ DC-OU‘I' Power Channel 2 ‘ .
Jul. 28, 2011 US 2011/0181242 A1 [0062] BLUE LIGHT ONiPoWer is ON and the charger is ready for use. [0063] GREEN LIGHT FLASHINGiBattery is being charged. [0064] GREEN LIGHT ONiCharging is ?nished and battery is ready for use. [0065] GREEN LIGHT OFFiNo battery present or improper battery connection [0066] GREEN LIGHT TURNS OFF AFTER FLASH INGiBattery is faulty, exhausted and or is no longer rechargeable. Prompt dispose of these batteries to avoid eventual battery leakage.
US 2011/0181242 A1 Jul. 28, 2011 9 _ STEP 4: INTERACTION WITH LCD CONTROL PANEL.
Jul. 28, 2011 US 2011/0181242 A1 [0069] CHANNEL SELECT BUTTONiWhen pressed die out. These batteries are considered no longer useful Will move the focus point of the LCD screen from the left and should also be disposed of straight aWay to avoid to the right channel in succession and the cycle repeats as follows: eventual battery leakage. 63‘ CHANNEL 1I=> CHANNEL 2I=> CHANNEL 3I=> CHAN NEL 4% [0087] During the charging of alkaline batteries, the charging voltage can rise up to 1.8V or higher.
Jul. 28, 2011 US 2011/0181242 A1 11 battery voltage). Any fault or weakness amongst the cells can result in the battery being poorly recharged or [0102] Supports Alkaline, RAM (Rechargeable Alkaline Manganese), NiCd (Nickel Cadmium) and NiMH (Nickel Metal Hydride) batteries. not useable at times. Do not hold high expectation on these batteries. [0096] 9V alkaline batteries when charged tend to expand slightly at their two ends.
Jul. 28, 2011 US 2011/0181242 A1 12 [0113] [0114] [0115] Built-in sound alert for the visually impaired. Built-in dual high power USB ports. Built-in FAN for cooling of the internal charger’s circuitry when required. [0116] Built-in variable DC-OUT supporting the charg ing and or powering of many personal digital devices such as digital cameras, video camcorders, portable DVD players, personal media players, PDAs and more.
Jul. 28, 2011 US 2011/0181242 A1 13 b. performing a series of self tests and initialization rou tines at power up of the battery charger to ensure the Whole system is functioning correctly and send out appropriate signals to inform the user of its status; O . the circuitry of the battery charger constantly sending out electrical signals to all charging terminals to sense for the presence of batteries across all available battery bays in the battery charger; d.
