le the invention is susceptible

While the invention is susceptible to various modifications and alternate forms, specific embodiments thereof have been shown by way of example in the drawings and will herein be described in detail. For example, opening the car door may be enough to trigger the comparator, 4, to turn the relay, 20, off. Another object of the present invention is to provide a fail-safe operating mode where the cut-off level of the relay is substantially independent of the battery voltage. Likewise, in its disengaged mode the battery safety switch does not permit a current flow to these same loads. Hence, if you never want to deep cycle your battery the cutoff needs to be 80% or 90%. Once turned off they remain inoperable until the vehicles motor has been restarted. Parking lights require full functionality while the vehicle is left unattended with the ignition switched off. This fuse box is normally located under the hood of the vehicle, and not inside the passenger compartment. No. The automatic safety switch comprises circuitry that impedes a current flow to its protected output loads when the battery voltage has diminished to a minimum voltage that can safely start a vehicle. We are currently experiencing an increased volume of online orders, along with delays and general congestion within our freight and logistic networks. Raising the threshold level makes the circuitry of the battery safety switch, 1, become more sensitive to noise. We have spent years curating helpful content and video guides, helping customers with their dash cams, but we understand that we can always do better. The heavier the load the more a battery recovers. His system monitors the current for excessive drain during excessive time periods. The parking lights, on the contrary, cannot be wired into the ignition circuit; an operator must be able to leave his vehicle unattended with the parking lights on. Use a Cellink NEO Battery Pack to protect your car's battery and prevent battery discharge today. If this is the case, or if a heavy load is still connected, the battery safety switch, 1, disconnects. If you don't select insurance you are NOT insured. Hence, the timer provides brief time periods during which it is possible to determine if the internal power consumption of the battery safety switch itself is draining the battery beyond a safe charge level. A battery safety switch, 1, comprises a voltage reference, 2, a comparator circuit, 4. The interior light also has many other usages in addition to the mere examples given here. At this instance the voltage reference, 2, and the comparator, 4, may begin to function in an unpredictable manner. sensing of current and elapsed time. 4,902,956, teaches the use of battery discharge rate as an indicator of the battery state. Other car makes have the cigarette lighter wired to the ignition. A vehicle operator would have difficulty in finding the ignition lock without the interior light at night. Unless required to do otherwise by law, we only collect your information in order to provide you with the information and services which you request. This cycle is repeated every time the timer, 28, reaches its preset time delay. This voltage is normally in the 11 V range. This state maximizes noise immunity. Most of these cases involve operator error. Otherwise, the third state is entered. Morland's invention focuses on the use of solid state switching technology, i.e. The relay remains engaged subsequently to turning the ignition switch off only when the battery voltage is above the predetermined first reference level. stores parameters that relate to driving habits etc. Freight will be charged at checkout for these items. tools.com provides links to websites outside of this site. 1) An Australian Visa or Mastercard debit/credit card; 2) To be over 18 years of age; 3) To live in Australia, To see Afterpay's complete terms, visit https://www.afterpay.com.au/terms, Projecta Car Battery 12V Dual Battery Discharge Protector. Such circuits include interior lights, parking lights, head lights, and the cigarette lighter adapter of the vehicle. Thus, it is suitable to connect the second diode, 32, to the ignition switch of a vehicle that is equipped with the battery safety switch, 1. This fuse provides a suitable location for the ignition switch connection, 50. The majority of ourlogistics providers deliver to parcel lockers around Australia. Overall, they are a reasonable device to consider but not 100% necessary depending on your driving behavior and battery condition. Therefore, it is necessary to reduce the amount of time at which the threshold level is raised. 12V Battery Excessive Over Discharge Protection Controller 30A Switch Module Car. The fuses of interest are those that connect to circuits such as head lights, parking light, interior lights, or the cigarette lighter. Some vehicle makes have the headlights connected to the ignition circuit, and are thereby protected from operator neglect as far as headlights are concerned. This redundant safety system guarantees that the battery safety switch will always engage when it should. Unauthorised use of this website may give rise to a claim for damages and/or be a criminal offence. Not to fret, our in-house product experts are here to help. FIG. The multi-safer is a great option for vehicles that have an auto start/stop feature which turns off the engine at stop lights to reduce fuel consumption as it can be wired solely to a constant powered fuse if timer function isn't needed. The second state shows how the threshold level is raised each time the timer reaches its time delay. Protects your battery against excessive discharge when using 12V accessories ensuring the battery retains enough power for the next start. Copeland et al., U.S. Pat. 4,493,001, was essentially an original equipment device because of the large number of connections required in the automobile. To attain these and other objectives an apparatus is provided for implementing one or more of the features set forth above. - eBay Money Back Guarantee - opens in a new window or tab, cleared payment - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Learn more about earning points with eBay Mastercard, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. The first state illustrates those conditions that either maintain the battery safety switch in an engaged mode, or changes it into an engaged mode. The ignition switch unconditionally resets the automatic safety switch. They do not signify that we endorse the website(s). It is therefore, possible for the battery safety switch, 1, to remain in its low threshold voltage state most of the time. Nos. PROJECTA ODP500 BATTERY DISCHARGE PROTECTOR. However, this potential unpredictability is immaterial since the second diode, 32, provides a separate current path to the relay solenoid, 22. The additional, or second, fuse box is normally in command of accessories requiring large amounts of power, such as electric windshields etc.. in that he also makes use of a timer that is activated when the engine is turned off, but he does not account for the current consumed by the auxiliary equipment. 5,159,257, teaches the use of a system that protects a vehicular battery from being drained by auxiliary equipment. New to dash cams? The reset signal is generated by the ignition switch, and is unconditional, i.e. Normally an incoming power cord, 46, leading to the fuse box, 44, is cut just before entering the fuse box, 44, itself. Further, the timer, 28, is reset subsequent to momentarily raising the threshold level. No. Thus, the function of the solenoid is substantially independent of the battery voltage. The original fuse box is usually still located inside the passenger compartment in its regular location under the dashboard. Make great purchasing decisions with the right dash cam for you. The voltage reference, 2, provides the comparator, 4, with a stable supply voltage. This reduces the chances of incurring permanent battery damage from excessive discharge. Your use of this website and any dispute arising out of such use of the website is subject to the laws of Australia. When you browse our website, you do so anonymously. The interrupting voltage is adjustable from 10.4 to13.3 VDC. It is thus not possible for the relay to disengage any electrical equipment in a vehicle while the vehicle is being driven. 5,136,230, teaches the use of a system that utilizes multiple manual override circuits. A fourth terminal, 34, facilitate this connection. Very few battery protection devices have this setting. We do not automatically insure unless you specify it during the checkout. Find an accessory to get more out of it. 1, a schematic diagram of the present invention is shown. 3 shows a flow graph representation of a preferred process implementation of the present invention. The last connection of the battery safety switch is the ignition switch connection, 50. Premium freight is not available on oversized/bulky items or in all locations. Lead-acid starter batteries begin to get damaged when the nominal no-load voltage is decreased below approximately 12.1 V. This second threshold voltage level is necessary due to the small battery recovery expected from loads. Each time the timer reaches the preset time limit the voltage reference is momentarily increased from the first to the second voltage level. Protects your battery against excessive discharge when using 12V accessories ensuring the battery retains enough power for the next start. All orders placed over the weekend will be processed on Tuesday, Aug 2. This system does not give any preferential treatment to any circuit in the electrical system, it has in fact no direct interaction at all with any of the circuits in the electrical system. That being said while the multi-safer is a better option for modern start/stop equipped vehicles, it's still not the best. It is hence, apparent that only 8 V are required in a 12 V system to guarantee engagement of the battery safety switch, 1. Thanks for your Query. The voltage reference, 2, becomes incapable of maintaining a regulated output voltage when the difference between the battery voltage and the rated regulator voltage becomes insignificant. - your ISP address Information collected for Statistical Purposes, When you look at the tools.com website, we may record the following information for statistical purposes: Will get back to you ASAP. We hope the following statement outlines clearly how we collect, use and protect the personal information which you provide to us. Contact us using the form below and we'll get back to you as soon as we can. The relay solenoid, 22, is turned-off, or de-energized, by the comparator, 4, when the battery voltage decreases to a voltage that is substantially lower than the nominal battery voltage, but still sufficient to allow a vehicle to safely start. In one embodiment of the present invention a battery safety switch is provided that continuously monitors the battery voltage and compares it to a voltage reference. Other objects and advantages of the invention will become apparent upon reading the following detailed description and upon reference to the drawings in which: FIG. These accessories are normally engaged by relays or other circuits that are wired into the ignition key, and need no additional protection from a potential user neglect that could lead to a discharged battery. Get more out of your dash cam! Further, the interior lights would be rendered useless if they would not turn on when vehicle doors are opened. Use with portable fridges, air compressors and flood lights. The voltage threshold at which this device disconnects non-essential loads is modified by the rate of discharge from the battery. The choice of power cable is made based on where the circuits to be protected are connected inside the fuse box itself. Hence, essentially no power is consumed from the battery when the relay is disengaged. Redundancy provides additional ruggedness by making the function of the battery safety switch insensitive to component failure. More importantly, it will never disengage any electrical load while the vehicle is driven. This reset capability is unconditional, i.e., the reset forces the relay, 20, to re-engage regardless of battery voltage. The comparator is controlled by a voltage reference and by the voltage from the battery that the relay protects. It should be noted that the battery is protected from being depleted of charge to such an extent that permanent damage occurs. FIG. If you disagree with any part of these terms and conditions, please do not use our website. rechargeable lead acid battery of vehicle, has test unit that verifies operating parameter of energy storage unit and limiting unit that limits energy output of energy storage unit based on operating parameter, Device for supplying auxiliary power to an item of equipment on a current-limited power supply bus, Intelligent vehicle power control system and method, Microelectronic device with integrated energy source, Control scheme for operating cordless power tool based on battery temperature, System and method for avoiding depleted battery in a parked vehicle, Device for cutting out loads in a generator and battery fed plant, Electric control system for motor vehicle, Motor vehicle battery rundown protection system, System for automatically shutting down auxiliary power devices in a vehicle, Safety device to prevent excessive battery drain, Protective circuit for battery powered engine ignition system, Vehicle power supply apparatus for protecting a battery from excessive discharge, Intelligent user interface including a touch sensor device, Intelligent electrical switching device including a touch sensor user interface switch, Operating method for a vehicle safety installation, Electrical accessory device controlling system for a motor vehicle and process for operation thereof, Method and circuit for use by a handheld multiple function device, Vehicular Electric Power Source Controller, Computer system with a UID light control, power indication, and reset, Control scheme for power tool having a brushless motor, Electrical supply control system for a motor vehicle, Motor vehicle supply system comprising a voltage transformer, Safety switch for preventing an unintentional vehicle battery discharge, Electrical load management in conjunction with idle shutdown, Battery protecting system in a car stereo, Motor vehicle supply system featuring battery-independent buffering of the generator current, Battery charging monitoring device for a vehicle, Automotive automatic charging device and automatic charging method, Overdischarge prevention apparatus of a car battery, Auto-igniting control apparatus during charging battery, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Lapsed due to failure to pay maintenance fee. These systems are also susceptible to prematurely reconnecting non-essential loads during the early battery recovery. Standard/Road Freight: 2 - 5 working days*. The relay is capable of maintaining its relay contact in an energized state even though one of the current paths is broken. We do not use cookies to collect information about how you use our site. Hence, Copeland does not limit the use of the vehicular battery based on charge consumed by the load. If shipping to a PO Box you must select standard delivery during checkout. Sheldrake essentially teaches as system incorporating two sets of delays. At this point the battery starts to recover and eventually reaches a no-load voltage in the 12 V range. Copyright 1995-2022 eBay Inc. All Rights Reserved. It should be understood, however, that it is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. If your battery protection device cut-off is 12V or 12.2V, the battery will deep cycle if it hits this number reducing the life expectancy of the battery. No. Zener diodes are unsuitable to most battery applications due to their high power consumption. The second voltage divider defines a fractional voltage based on the battery voltage. In this event, all loads that are connected to the battery via the battery safety switch, 1, are disconnected by the relay, 20. We also recommend setting the cutoff voltage higher to 12.0 or 12.2V if possible, to reduce strain on your battery. 2 illustrates a preferred method and location for installation of the present invention; and.

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