WO2003085772A1 - Storage battery - Google Patents

Storage battery Download PDF

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Publication number
WO2003085772A1
WO2003085772A1 PCT/UA2003/000008 UA0300008W WO03085772A1 WO 2003085772 A1 WO2003085772 A1 WO 2003085772A1 UA 0300008 W UA0300008 W UA 0300008W WO 03085772 A1 WO03085772 A1 WO 03085772A1
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WO
WIPO (PCT)
Prior art keywords
storage battery
battery according
processor
battery
electrolyte
Prior art date
Application number
PCT/UA2003/000008
Other languages
French (fr)
Inventor
Volodymyr Radionov
Mykola Sabalayev
Original Assignee
Volodymyr Radionov
Mykola Sabalayev
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 Volodymyr Radionov, Mykola Sabalayev filed Critical Volodymyr Radionov
Priority to AU2003210107A priority Critical patent/AU2003210107A1/en
Publication of WO2003085772A1 publication Critical patent/WO2003085772A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates generally to the electro-technical industry, and more particularly to storage batteries.
  • the invention may be practiced in the manufacture of storage batteries for various applications.
  • the present invention will be preferably but not exclusively practiced in the manufacture of automotive storage batteries, which are widely used but are serviced by professional people only periodically, mainly less than once a year.
  • Motor vehicle owners usually have neither professional skills for servicing batteries nor equipment needed therefor and most automotive storage batteries are serviced only during a regular maintenance, i.e., once a year to once every two years. Every motor vehicle owner is, however, interested in a fault-free operation of his motor vehicle that in its turn depends on the battery condition.
  • the cost of a storage battery constitutes a notable percentage of an average statistical family's income, and such users, therefore, are highly interested in extending the service life of their storage batteries as much as possible.
  • the service life of a storage battery is known to depend mainly on timely servicing and the elimination of its operation under critical conditions such as the low electrolyte level, overdischarge, elevated working temperature, increased internal resistance of the storage battery and others.
  • Modern designs of automotive storage batteries do not enable, however, to monitor constantly the parameters vital for a battery while it is in use.
  • An ordinary storage battery comprises a housing in the form of a container with a cover, in which electrodes submerged wholly or partially in electrolyte and connected to pole terminals projected through the housing cover are placed (see, for example, U.S. Pat. No. 4 752 543, 1988 and others).
  • Some automotive storage batteries are provided with built-in battery chargers, which enable the charging of a battery directly at the place of installation in a motor vehicle or separately thereof but, in any case, using no external battery charger (see, for example, U.S. Pat. No. 5 146 148, 1992, U.S. Pat. No. 5 510 694, 1996 et al.).
  • Built-in chargers in such storage batteries are placed, as a rule, in the battery housing coyer.
  • the battery housing cover is usually made in the form of a relief plate that fits tightly to the container walls in their upper part. Mastic resistant to a corrosive medium of the electrolyte filled in the container is applied to the cover top. To protect the mastic from mechanical and/or climate-induced damages, it is provided with an additional cover from above (see Patent of Russian Federation No. 2 169414, 2001).
  • Values of density, level, and temperature of the electrolyte should also be within specified limits, and any deviation of any of these parameters beyond the specified limits is a warning that the storage battery should be maintained, repaired or replaced.
  • a device for monitoring storage battery parameters comprising a block used to determine a residual capacitance of a storage battery in a pulsed discharge mode, which is connected to the storage battery (see Patent of Russian Federation No. 2 131 158, 1999).
  • the device is additionally provided with a control block, to the outputs of which a switching unit, a changer and an indicator are connected.
  • a comparator is connected, the inputs of which are connected to the outputs of a reference curve unit and an internal resistance meter.
  • the inputs of the reference curve unit and the internal resistance meter are connected, through the switching unit, to the storage battery tested.
  • This device enables the determination of a residual capacitance of the storage battery by measuring its internal resistance; but it is made, , as a separate device that is to be connected to the storage battery to perform the above-mentioned measurements.
  • This device for indicating the condition of a storage battery that is incorporated into a plug in battery housing cover.
  • This device comprises a capsule, a magnetic float, and an electronic indicator, in which a magnetically operated contact together with the magnetic float is used as a sensible element (see Patent of Russian Federation No. 2 091 925, 1997).
  • This device enables only a discrete determination of the electrolyte level, i.e., to detect only two electrolyte levels - "Tolerable Level” and "Below Tolerable Level", and is not capable of monitoring other important parameters of the storage battery.
  • the objective of the invention is to provide a storage battery, preferably but not exclusively an automotive storage battery, enabling automatic measurement and digital or other indication of the state of charge of the storage battery, pole terminal voltage, electrolyte density, electrolyte temperature, voltage drop at the engine start, battery internal resistance, actual life, the number of engine starts and, possibly, other important parameters of the storage battery directly at the storage battery itself.
  • An important object of the present invention is to provide information of storage battery parameters directly on its housing elements in a simple and clear for an average user form.
  • Another object of the present invention is to provide a storage battery, the cost of which would not substantially increase due to providing the storage battery with such additional capabilities.
  • the ordinary storage battery comprising a housing in the form of a container with a cover, in which electrodes submerged, at least partially, in electrolyte and connected to pole terminals projected through the housing cover are placed, is provided with at least one battery parameter sensitive device that produces electric signals and the output of which is connected to the input of a processor incorporated into the housing cover, the output of which is connected to a device for displaying a parameter measured.
  • Power lines of the processor are electrically connected to the battery pole terminals either directly or through a voltage stabilizer.
  • the sensitive device can be a state-of-charge transducer, battery pole terminal voltage pickup, automotive board circuit voltage pickup, engine start voltage drop pickup, engine start number transducer, actual life detector, electrolyte density sensor, electrolyte level gage, electrolyte-temperature sender, battery internal resistance transducer or any other sensitive device.
  • the storage battery is preferably provided with a combination of N sensitive devices listed above with the processor having N inputs, to which sensitive devices outputs are connected, where N >2.
  • the device for displaying parameters measured is a screen for displaying visually parameters measured embedded in the housing cover.
  • the storage battery can be provided with:
  • the storage battery is provided with a carrying handle, it is advantageous to couple it with a mechanism of switching-on the device for displaying parameters when the carrying handle is raised and of switching-off the device for displaying parameters when the carrying handle is lowered.
  • the same carrying handle may be coupled with a mechanism of switching-on the processor when the carrying handle is raised and of switching-off the processor when the carrying handle is lowered.
  • the processor output should be provided with additional terminals, to which such a remote device for displaying parameters measured may be connected by means of a cable.
  • the remote device for displaying parameters measured is preferably made in the form of a screen installed at the operator's or driver's workplace.
  • the processor may comprise a cyclic pull device for pulling sensitive devices connected to its input.
  • Fig. 1 is a general view of a storage battery with side parts in a partial section
  • Fig. 2 is a side view of the storage battery with a partial section along the cover;
  • Fig. 3 is a plan view of the storage battery;
  • Fig. 4 is an electric diagram of connection of the storage battery parts
  • Fig. 5 is a plan view of the storage battery provided with a magnetically operated contact
  • Fig. 6 is an electric diagram of connection of the storage battery elements provided with a number of sensitive devices.
  • Fig. 7 is a plan view of the storage battery with a remote indication device connected.
  • the storage battery schematically shown in Fig. 1 comprises a housing in the form of a container 1 with a cover 2. Electrodes 3 and 4 are placed into the container, and are submerged, wholly or partially, in electrolyte 5 and connected to pole terminals 6 and 7 projected through the housing cover 2.
  • the storage battery also comprises at least one battery parameter sensitive device 8, which can be located in the container 1 , if it is, for example, an electrolyte level gage, an electrolyte density sensor or an electrolyte-temperature sender, or incorporated into the housing part of the storage battery, for example, into the cover 2 (Fig.
  • the battery parameter sensitive device 8 is made in a manner to display a battery parameter measured thereby in the form of an electric signal.
  • the output of the sensitive device 8 is connected to a processor 10, i.e. to a signal processing device, which is incorporated into one of the housing parts of the storage battery, for example, into the cover 2 (Fig. 2) and is also filled with the mastic 9.
  • the output of the processor 10 is connected to the input of a device 11 for displaying a battery parameter measured, which is also located on the cover 2 in such a manner as to be visually observed (Fig. 3).
  • An electric circuit of the storage battery (Fig. 4) comprises the processor 10, to the input whereof the sensitive device 8 is connected.
  • the output of the processor is connected to the device 11 for displaying a value of a battery parameter measured.
  • the processor 10 and the device 11 for displaying a value of a battery parameter measured are powered from the storage battery through a voltage stabilizer 12 or directly.
  • Power circuits of the processor 10 and the device 11 for displaying a value of a battery parameter measured can comprise a switch 13 to switch them off in case of extended interruption of using the storage battery.
  • the switch 13 is made in the form a sealed magnetically operated contact, which is incorporated into the cover 2 or secured thereto near the battery carrying handle 14 comprising a constant magnet 15 (Fig. 5).
  • the electrodes 3 and 4 interact with the electrolyte 5 to generate e.m.f. that, via electrodes 3 and 4, can be supplied to an external load.
  • the sensitive device 8 monitors a specified storage battery parameter, for example, the electrolyte level, and produces an electric signal, which is sent to the input of the processor 10 powered from the electrodes 3 and 4 through the voltage stabilizer 12.
  • the processor 10 processes the signal from the sensitive device 8 and sends a control signal to the input of the device 11 for displaying a value of a battery parameter measured, on the screen whereof this signal appears in a predetermined format.
  • the processor 10 and the device 11 for displaying a value of a battery parameter measured are powered via the switch 13 that, with the battery carrying handle 14 being down, is disconnected due to the interaction of the magnetically operated contact 1 with a magnetic field of the constant magnet 15 in the battery carrying handle 14. To switch on the processor 10 and the device 11 , it is enough to raise up the battery carrying handle 14; upon doing so, the constant magnet 15 would cease to effect with its magnetic field on the magnetically operated contact 13, and the contacts thereof would close.
  • Another embodiment of the storage battery according to this invention comprises N sensitive devices 8 1 to 8 n , connected to the inputs of the processor 10 (Fig. 6).
  • the processor 10 processes the signals from the sensitive devices 8 1 to 8 n in a predetermined sequence while the device 11 for displaying a value of a battery parameter measured sequentially displays the values of these parameters on its screen.
  • Such sensitive devices may be the state-of-charge transducer, the battery pole terminal voltage pickup, the automotive board circuit voltage pickup, the engine start voltage drop pickup, the engine start number transducer, the actual life detector, the electrolyte density sensor, the electrolyte level gage, the electrolyte temperature sender, the battery internal resistance transducer or any other sensitive device.
  • the state-of-charge transducer can be made in the form, for example, of the combination of the electrolyte density sensor, voltage pickup, and temperature sender. Its more specific construction is the subject of an independent application for patent.
  • the battery pole terminal voltage pickup, the automotive board circuit voltage pickup, and the engine start voltage drop pickup may be made on the base of the conventional devices known to those skilled in the art.
  • the engine start number transducer may be made on the base of an electronic counter of the number of voltage pulsed drops below a predetermined threshold.
  • the actual life detector may be designed in the form of an electronic timer that is on automatically upon the first engine start and sends to the display the actual life calculated in years, months, and days after the moment of the first engine start.
  • the electrolyte density sensor may be made in the form of a capacitive pickup.
  • the electrolyte level gage may be made in the form of two magnetically operated contacts.
  • the temperature sender may be made in the form of one of electronic thermometers known to those skilled in the art.
  • the internal resistance transducer may be made in the form of a reference current-sensitive device.
  • the storage battery is provided with an additional remote indicator 16 to display the parameters measured, the screen whereof may be installed directly at the operator's or driver's workplace.
  • the processor 10 comprises additional terminals 17, to which the cable of the interface 18 is connected (Fig.7).
  • the indication device of the parameters measured may also comprise any other signalling devices, for example, audible ones, that may be integrated with blocking devices, for example, ignition systems, preventing storage battery from being used under emergency conditions.
  • the storage battery according to this invention enables an automatic measurement and digital or other indication of a number of important parameters of the storage battery directly at the storage battery itself or at the operator's or driver's workplace enabling any undesirable deviations to be timely detected with no special knowledge and timely made good unassisted or with the help of professionals. Taking into consideration the today's technological level of microelectronics, the cost of such storage battery would not practically exceed that of a conventional storage battery.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
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Abstract

The present invention relates generally to the electro-technical industry, and more particularly to storage batteries and may be practiced in the manufacture of storage batteries for various applications, preferably but not exclusively in the manufacture of automotive storage batteries. The storage battery comprises a housing in the form of a container with a cover, placed wherein are electrodes, which are submerged, at least partially, in electrolyte and connected to pole terminals projected through the housing cover, and at least one battery parameter sensitive device, which generates electric signals and the output of which is connected to the input of a processor incorporated into the housing cover, wherein the output of the processor being connected to a device for displaying a battery parameter measured. The storage battery comprises one or several different sensitive devices such as a state-of-charge transducer, a battery pole terminal voltage pickup, an automotive board circuit voltage pickup, an engine start voltage drop pickup, an engine start number transducer, an actual life detector, an electrolyte density sensor, an electrolyte level gage, an electrolyte temperature sender, a battery internal resistance transducer or others. The storage battery enables the automatic measurement and digital or otherwise indication of a number of the main important parameters of the storage battery directly at the storage battery itself or at the operator's or driver's workplace.

Description

STORAGE BATTERY
The present invention relates generally to the electro-technical industry, and more particularly to storage batteries. The invention may be practiced in the manufacture of storage batteries for various applications. The present invention will be preferably but not exclusively practiced in the manufacture of automotive storage batteries, which are widely used but are serviced by professional people only periodically, mainly less than once a year. Motor vehicle owners usually have neither professional skills for servicing batteries nor equipment needed therefor and most automotive storage batteries are serviced only during a regular maintenance, i.e., once a year to once every two years. Every motor vehicle owner is, however, interested in a fault-free operation of his motor vehicle that in its turn depends on the battery condition. In addition, for many motor vehicle owners, especially in developing countries, the cost of a storage battery constitutes a notable percentage of an average statistical family's income, and such users, therefore, are highly interested in extending the service life of their storage batteries as much as possible. The service life of a storage battery is known to depend mainly on timely servicing and the elimination of its operation under critical conditions such as the low electrolyte level, overdischarge, elevated working temperature, increased internal resistance of the storage battery and others. Modern designs of automotive storage batteries do not enable, however, to monitor constantly the parameters vital for a battery while it is in use. Some storage battery models, which enable a visual monitoring of electrolyte level and state of charge, are exceptions. An ordinary storage battery comprises a housing in the form of a container with a cover, in which electrodes submerged wholly or partially in electrolyte and connected to pole terminals projected through the housing cover are placed (see, for example, U.S. Pat. No. 4 752 543, 1988 and others). Some automotive storage batteries are provided with built-in battery chargers, which enable the charging of a battery directly at the place of installation in a motor vehicle or separately thereof but, in any case, using no external battery charger (see, for example, U.S. Pat. No. 5 146 148, 1992, U.S. Pat. No. 5 510 694, 1996 et al.). Built-in chargers in such storage batteries are placed, as a rule, in the battery housing coyer. The battery housing cover is usually made in the form of a relief plate that fits tightly to the container walls in their upper part. Mastic resistant to a corrosive medium of the electrolyte filled in the container is applied to the cover top. To protect the mastic from mechanical and/or climate-induced damages, it is provided with an additional cover from above (see Patent of Russian Federation No. 2 169414, 2001).
A reliable service of a storage battery requires that certain parameters should be within the limit of tolerance. Such parameters are as following:
- State of charge;
- Pole terminal voltage;
- Electrolyte density;
- Electrolyte level;
- Electrolyte temperature.
These parameters are direct indicators of the battery condition and enable, just before or while in use, to estimate its suitability for further use, the necessity of its maintenance, repair or replacement.
For example, if the state of charge is low, such storage battery should be charged and the state of devices that ensure an automatic battery charging if any should be tested.
Values of density, level, and temperature of the electrolyte should also be within specified limits, and any deviation of any of these parameters beyond the specified limits is a warning that the storage battery should be maintained, repaired or replaced.
For more precise battery condition diagnosis, it is useful to monitor such battery parameters as voltage drop at engine start and internal resistance of the storage battery.
Such figures as an actual life of a storage battery, for example, from the moment of its installation in the motor vehicle, or the total hours worked, as well as the number of engine starts performed using this storage battery can suggest that a particular storage battery should be given to a repeated maintenance or replaced.
There exists a device for monitoring storage battery parameters comprising a block used to determine a residual capacitance of a storage battery in a pulsed discharge mode, which is connected to the storage battery (see Patent of Russian Federation No. 2 131 158, 1999). The device is additionally provided with a control block, to the outputs of which a switching unit, a changer and an indicator are connected. To the input of the control block a comparator is connected, the inputs of which are connected to the outputs of a reference curve unit and an internal resistance meter. The inputs of the reference curve unit and the internal resistance meter are connected, through the switching unit, to the storage battery tested. This device enables the determination of a residual capacitance of the storage battery by measuring its internal resistance; but it is made, , as a separate device that is to be connected to the storage battery to perform the above-mentioned measurements.
There exists a device for indicating the condition of a storage battery that is incorporated into a plug in battery housing cover. This device comprises a capsule, a magnetic float, and an electronic indicator, in which a magnetically operated contact together with the magnetic float is used as a sensible element (see Patent of Russian Federation No. 2 091 925, 1997). This device enables only a discrete determination of the electrolyte level, i.e., to detect only two electrolyte levels - "Tolerable Level" and "Below Tolerable Level", and is not capable of monitoring other important parameters of the storage battery.
There exists a storage battery combined with a temperature monitoring device inside the storage battery (see Patent of Russian Federation No. 1 669 349, 1995). As soon as the electrode temperature exceeds the allowable level, the device generates a warning signal. This device provides monitoring of the electrolyte temperature only in two states - "Tolerable Temperature" and "Untolerable Temperature", and also it is not capable of monitoring other important parameters of the storage battery.
Therefore, the objective of the invention is to provide a storage battery, preferably but not exclusively an automotive storage battery, enabling automatic measurement and digital or other indication of the state of charge of the storage battery, pole terminal voltage, electrolyte density, electrolyte temperature, voltage drop at the engine start, battery internal resistance, actual life, the number of engine starts and, possibly, other important parameters of the storage battery directly at the storage battery itself. An important object of the present invention is to provide information of storage battery parameters directly on its housing elements in a simple and clear for an average user form. Another object of the present invention is to provide a storage battery, the cost of which would not substantially increase due to providing the storage battery with such additional capabilities.
The above objects are achieved by that, according to this invention, the ordinary storage battery comprising a housing in the form of a container with a cover, in which electrodes submerged, at least partially, in electrolyte and connected to pole terminals projected through the housing cover are placed, is provided with at least one battery parameter sensitive device that produces electric signals and the output of which is connected to the input of a processor incorporated into the housing cover, the output of which is connected to a device for displaying a parameter measured. Power lines of the processor are electrically connected to the battery pole terminals either directly or through a voltage stabilizer.
The same way power lines of the device for displaying are electrically connected to the battery pole terminals either directly or through a voltage stabiliser.
The sensitive device can be a state-of-charge transducer, battery pole terminal voltage pickup, automotive board circuit voltage pickup, engine start voltage drop pickup, engine start number transducer, actual life detector, electrolyte density sensor, electrolyte level gage, electrolyte-temperature sender, battery internal resistance transducer or any other sensitive device.
According to this invention, the storage battery is preferably provided with a combination of N sensitive devices listed above with the processor having N inputs, to which sensitive devices outputs are connected, where N >2.
In the most preferable embodiment, the device for displaying parameters measured is a screen for displaying visually parameters measured embedded in the housing cover. To prevent the storage battery from discharging during the extended storage, the storage battery can be provided with:
a) A device for de-energizing the display device, with the help of which the power lines of the display device can be disconnected from the battery pole terminals; and
b) A device for de-energizing the processor, with the help of which the power lines of the processor can be disconnected from the battery pole terminals.
In case the storage battery is provided with a carrying handle, it is advantageous to couple it with a mechanism of switching-on the device for displaying parameters when the carrying handle is raised and of switching-off the device for displaying parameters when the carrying handle is lowered.
The same carrying handle may be coupled with a mechanism of switching-on the processor when the carrying handle is raised and of switching-off the processor when the carrying handle is lowered.
In addition to the indicator provided directly on the housing cover or separately from it, the possibility of connecting a remote device for displaying parameters measured may be provided. To this end, the processor output should be provided with additional terminals, to which such a remote device for displaying parameters measured may be connected by means of a cable.
In such a case, the remote device for displaying parameters measured is preferably made in the form of a screen installed at the operator's or driver's workplace.
To enable an automatic sequential indication of all the parameters monitored, the processor may comprise a cyclic pull device for pulling sensitive devices connected to its input.
More detailed description of the present invention is given below with references to the accompanying figures, in which:
Fig. 1 is a general view of a storage battery with side parts in a partial section;
Fig. 2 is a side view of the storage battery with a partial section along the cover; Fig. 3 is a plan view of the storage battery;
Fig. 4 is an electric diagram of connection of the storage battery parts;
Fig. 5 is a plan view of the storage battery provided with a magnetically operated contact;
Fig. 6 is an electric diagram of connection of the storage battery elements provided with a number of sensitive devices; and
Fig. 7 is a plan view of the storage battery with a remote indication device connected.
The storage battery schematically shown in Fig. 1 comprises a housing in the form of a container 1 with a cover 2. Electrodes 3 and 4 are placed into the container, and are submerged, wholly or partially, in electrolyte 5 and connected to pole terminals 6 and 7 projected through the housing cover 2. The storage battery also comprises at least one battery parameter sensitive device 8, which can be located in the container 1 , if it is, for example, an electrolyte level gage, an electrolyte density sensor or an electrolyte-temperature sender, or incorporated into the housing part of the storage battery, for example, into the cover 2 (Fig. 2), if it is, for example, a battery pole terminal voltage pickup, an automotive board circuit voltage pickup, an engine start voltage drop pickup or any other sensitive device the installation whereof requires no physical contact with the battery electrolyte or electrodes. This sensitive device can be also installed on the outside of the cover 2 and filled with sealing mastic 9, which is usually applied as a rather heavy coat. The battery parameter sensitive device 8 is made in a manner to display a battery parameter measured thereby in the form of an electric signal. The output of the sensitive device 8 is connected to a processor 10, i.e. to a signal processing device, which is incorporated into one of the housing parts of the storage battery, for example, into the cover 2 (Fig. 2) and is also filled with the mastic 9. The output of the processor 10 is connected to the input of a device 11 for displaying a battery parameter measured, which is also located on the cover 2 in such a manner as to be visually observed (Fig. 3).
An electric circuit of the storage battery (Fig. 4) comprises the processor 10, to the input whereof the sensitive device 8 is connected. The output of the processor is connected to the device 11 for displaying a value of a battery parameter measured. The processor 10 and the device 11 for displaying a value of a battery parameter measured are powered from the storage battery through a voltage stabilizer 12 or directly. Power circuits of the processor 10 and the device 11 for displaying a value of a battery parameter measured can comprise a switch 13 to switch them off in case of extended interruption of using the storage battery.
The switch 13 is made in the form a sealed magnetically operated contact, which is incorporated into the cover 2 or secured thereto near the battery carrying handle 14 comprising a constant magnet 15 (Fig. 5).
During normal operation of the storage battery, the electrodes 3 and 4 interact with the electrolyte 5 to generate e.m.f. that, via electrodes 3 and 4, can be supplied to an external load. At the same time, the sensitive device 8 monitors a specified storage battery parameter, for example, the electrolyte level, and produces an electric signal, which is sent to the input of the processor 10 powered from the electrodes 3 and 4 through the voltage stabilizer 12. The processor 10 processes the signal from the sensitive device 8 and sends a control signal to the input of the device 11 for displaying a value of a battery parameter measured, on the screen whereof this signal appears in a predetermined format. When the electrolyte level is measured, information may be displayed on the display screen in the form of messages such as "Normal", "XX % Below Normal", "Intolerably Below Normal" or others. The processor 10 and the device 11 for displaying a value of a battery parameter measured are powered via the switch 13 that, with the battery carrying handle 14 being down, is disconnected due to the interaction of the magnetically operated contact 1 with a magnetic field of the constant magnet 15 in the battery carrying handle 14. To switch on the processor 10 and the device 11 , it is enough to raise up the battery carrying handle 14; upon doing so, the constant magnet 15 would cease to effect with its magnetic field on the magnetically operated contact 13, and the contacts thereof would close.
Another embodiment of the storage battery according to this invention comprises N sensitive devices 81 to 8n, connected to the inputs of the processor 10 (Fig. 6). The processor 10 processes the signals from the sensitive devices 81 to 8n in a predetermined sequence while the device 11 for displaying a value of a battery parameter measured sequentially displays the values of these parameters on its screen. Such sensitive devices may be the state-of-charge transducer, the battery pole terminal voltage pickup, the automotive board circuit voltage pickup, the engine start voltage drop pickup, the engine start number transducer, the actual life detector, the electrolyte density sensor, the electrolyte level gage, the electrolyte temperature sender, the battery internal resistance transducer or any other sensitive device.
The state-of-charge transducer can be made in the form, for example, of the combination of the electrolyte density sensor, voltage pickup, and temperature sender. Its more specific construction is the subject of an independent application for patent.
The battery pole terminal voltage pickup, the automotive board circuit voltage pickup, and the engine start voltage drop pickup may be made on the base of the conventional devices known to those skilled in the art.
The engine start number transducer may be made on the base of an electronic counter of the number of voltage pulsed drops below a predetermined threshold.
The actual life detector may be designed in the form of an electronic timer that is on automatically upon the first engine start and sends to the display the actual life calculated in years, months, and days after the moment of the first engine start.
The electrolyte density sensor may be made in the form of a capacitive pickup.
The electrolyte level gage may be made in the form of two magnetically operated contacts.
The temperature sender may be made in the form of one of electronic thermometers known to those skilled in the art.
The internal resistance transducer may be made in the form of a reference current-sensitive device.
In another embodiment of the present invention, the storage battery is provided with an additional remote indicator 16 to display the parameters measured, the screen whereof may be installed directly at the operator's or driver's workplace. In such event, the processor 10 comprises additional terminals 17, to which the cable of the interface 18 is connected (Fig.7). In an additional embodiment of the present invention, the indication device of the parameters measured may also comprise any other signalling devices, for example, audible ones, that may be integrated with blocking devices, for example, ignition systems, preventing storage battery from being used under emergency conditions.
The storage battery according to this invention enables an automatic measurement and digital or other indication of a number of important parameters of the storage battery directly at the storage battery itself or at the operator's or driver's workplace enabling any undesirable deviations to be timely detected with no special knowledge and timely made good unassisted or with the help of professionals. Taking into consideration the today's technological level of microelectronics, the cost of such storage battery would not practically exceed that of a conventional storage battery.

Claims

1. A storage battery comprising a housing in the form of a container with a cover, placed wherein are electrodes, which are submerged, at least partially, in electrolyte and connected to pole terminals projected through the housing cover, and at least one battery parameter sensitive device, characterized in that the storage battery comprises a battery parameter sensitive device, which generates electric signals and the output of which is connected to the input of a processor incorporated into the housing cover, wherein the output of said processor being connected to a device for displaying a battery parameter measured.
2. The storage battery according to Claim 1 , characterized in that the sensitive device is a battery state-of-charge transducer.
3. The storage battery according to Claim 1 , characterized in that the sensitive device is a battery pole terminal voltage pickup.
4. The storage battery according to Claim 1 , characterized in that the storage battery is an automotive storage battery and the sensitive device is an automotive board circuit voltage pickup.
5. The storage battery according to Claim 1 , characterized in that the storage battery is an automotive storage battery and the sensitive device is an engine start voltage drop pickup.
6. The storage battery according to Claim 1 , characterized in that the storage battery is an automotive storage battery and the sensitive device is an engine start number transducer.
7. The storage battery according to Claim 1 , characterized in that the sensitive device is an actual life detector.
8. The storage battery according to Claim 1 , characterized in that the sensitive device is an electrolyte density sensor.
9. The storage battery according to Claim 1, characterized in that the sensitive device is an electrolyte level gage.
10. The storage battery according to Claim 1, characterized in that the sensitive device is an electrolyte-temperature sender.
11. The storage battery according to Claim 1 , characterized in that the sensitive device is a battery internal resistance transducer.
2. The storage battery according to some several Claims 2 to 11, characterized in that the storage battery comprises N sensitive devices and the processor having N inputs, to which the outputs of the sensitive devices are connected, and wherein N >2.
13. The storage battery according to any of Claims 1 to 12, characterized in that the device for displaying battery parameters measured is made in the form of a display screen for displaying visually parameters measured embedded into the housing cover.
14. The storage battery according to any of Claims 1 to 13, characterized in that the storage battery comprises a device for de-energizing the display.
15. The storage battery according to any of Claims 1 to 13, characterized in that that the storage battery comprises a device for de-energizing the processor.
16. The storage battery according to Claim 14, characterized in that the storage battery comprises a carrying handle coupled with a mechanism of switching-on the device for displaying parameters when the carrying handle is raised and of switching-off the device for displaying parameters when the carrying handle is lowered.
17. The storage battery according to Claim 15, characterized in that the carrying handle is coupled with a mechanism of switching-on the processor when the carrying handle is raised and of switching-off the processor when the carrying handle is lowered.
18. The storage battery according to any of Claims 1 to 17, characterized in that the processor output is provided with terminals, to which a remote device for displaying parameters measured may be connected by means of a cable.
19. The storage battery according to Claim 18, characterized in that the remote device for displaying parameters measured is made in the form of a screen installed at the operator's workplace.
20. The storage battery according to Claim 12, characterized in that the processor comprises a cyclic pull device for pulling sensitive devices connected to its input.
PCT/UA2003/000008 2002-04-10 2003-03-11 Storage battery WO2003085772A1 (en)

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RU2002122451A (en) 2004-02-27
RU2251764C2 (en) 2005-05-10

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