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Invention relates to automotive industry, particularly, to automotive storage batteries. Storage battery comprises application unit (AU) to define and/or process the storage unit operating parameters. Besides, storage battery incorporates cryptography unit (CU) for cryptographic processing of defined and/or processed operating parameters. Besides, it comprises communication interface (IF1, IF2) to output cryptographically processed working parameters. |
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Electrolyte for galvanic battery Electrolyte for galvanic battery containing sulphur dioxide and conductive salt. Electrolyte is a jelly formed using fluorosulphinate. Also element of battery containing such electrolyte is described. |
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Device for thermostatting of accumulator batteries Device for thermostatting of accumulator batteries (1-8) comprises a prestarting heater (15) and a cooler of liquid coolant, circulating via heat exchange channels in accumulator batteries. The cooler comprises a compressor (16), the outlet of which via a condenser (20), blown with a fan, is communicated with a coolant evaporator. The evaporator is arranged in a heat exchanger (26) of coolant cooling. With the heat exchanger (26) the pipelines (27) of coolant supply are connected with a circulating pump into heat exchange channels in accumulator batteries. The output from the heater (15) is communicated with the input to the pump, the output from which is communicated with the heat exchanger (26). The input into the heater (15) is communicated with the output of the pump, the input into which is communicated with an expansion tank. With the tank the input into the pump is communicated, and pipelines of coolant return from heat exchange channels in accumulator batteries are connected. |
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Accumulator power supply source for power-driven tool and power-driven tool Accumulator power supply source for power-driven tool includes an accumulator, a monitoring circuit and a module for switchover to economy mode. The accumulator includes at least one accumulator cell. The monitoring circuit is controlled through receipt of power supply from the accumulator. The module for switchover to reduced energy consumption mode switches the accumulator power supply source over to reduced energy consumption mode by way of discontinuation of at least some or all of the monitoring circuit operations when the monitoring circuit reveals discharge completion condition wherein the accumulator discharge current is equal to or below the specific preset current value while the monitoring circuit additionally reveals at least one condition stable in terms of voltage wherein the accumulator cell voltage variation value stays within the pre-specified stable range of voltage variation values and a condition stable in terms of temperature wherein the value of the accumulator temperature vitiation stays within the pre-specified stable range of temperature variation values. |
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Method for nondestructive inspection of technical state of chemical current sources Invention relates to evaluation of the technical state of chemical current sources and can be used when drawing up program-methodical documentation for conducting practical examination of the technical state of chemical current sources in order to evaluate their actual state, including at the final phase of their guaranteed service life. The technical result of the invention is improving time indicators of diagnosing chemical current sources, as well as the possibility of quantitative evaluation of the current technical state in nondestructive inspection mode. According to the invention, quantitative and qualitative indicators of the technical state of the chemical current source, which collectively enable to systematically evaluate the actual state of articles are used when forming the factor space. Exclusion of the destructive factor is achieved by introducing several thermal imaging factors into the factor space. Selection and formalisation of the main indicators - the generalised parameter of the technical state of the chemical current source, which depends on actual values of the component of the factor space, enable to conduct quantitative evaluation of the current state of the chemical current source and associate it with one of five possible states. |
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Method for determination of discharge degree for lead-acid battery Method for determination of discharge degree for lead-acid battery (LAB) consists in the following: before tests using empirical formula, which sets functional relation of LAB discharge degree ΔC on change of electrolyte density Δρ at discharge, value of specific discharge index ΔCsp is determined with use of electrolyte temperature t, rated LAB capacitance Cr ΔC=f(Δρ, ΔCsp, t, Cr), (1); during tests electrolyte density ρ and temperature t are measured and using formula (1) degree of LAB discharge is determined; additionally before tests to determine value of specific discharge index empiric formula is used, which considers individual characteristics of LAB and sets dependency of its specific discharge index ΔCsp on value of theoretical specific discharge index of LAB ΔCsp min - ΔCsp=ΔCsp minxKv (2); correction factor Kv for individual characteristics of tested LAB sets relation between values of actual specific volume of electrolyte Vel sp and theoretic minimum specific volume of electrolyte Vsp min. Kv=Vel sp /Vsp min (3); using these values and functional relation (1) discharge degree ΔC is determined for LAB. |
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Accumulator storage battery of space vehicle Accumulator storage battery is intended for being used in independent electric power supply systems of space vehicles and consists of in-series connected accumulators installed in holes of non-electroconductive heat-conducting plate. The latter is made of non-electroconductive plates between which there is layer of non-electroconductive power-consuming substance; accumulators are fixed in plates by means of membranes, and from central areas of electrode accumulator units the heat is removed with heat pipes. At that, temperature of phase transfer of power-consuming substance solid-liquid-solid is equal to temperature of phase transfer of heat carrier in heat pipe liquid-gaseous-liquid. |
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Spacecraft electric power supply system Invention relates to spacecraft electric power-saving systems. Proposed system comprises solar and storage battery, as well as automatic control, test and storage battery equalising units. ACS allows simultaneous operation of said batteries for supply of onboard circuitry. Test and storage battery equalising unit effects element-by-element control of voltages and temperature in storage battery and leveling storage battery voltage misbalance. Said leveling is performed by charging separate storage batteries by preset algorithm by onboard computer or microprocessor incorporated with this unit. Structurally, the latter unit can be incorporated with both storage battery and automatic control unit. Charging voltage source can be incorporated with one of aforesaid units. |
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Method of performing service life tests of space storage batteries and device to this end Invention relates to power supply systems of space objects, particularly incorporated with artificial Earth satellites (AES). Method consists in cycling accompanied by control over power characteristics of storage batteries (SA) connected in series in storage battery module. Tests are performed at operated AES. SA module A number is restricted by available excess power in AES power supply system. SA charge and discharge is controlled by onboard computer. SA discharge is performed by stabilised current and SA thermal state is continuously regulated in tests. Proposed method exploits device comprising solar batteries (SB) connected to load via voltage converter and storage batteries. The latter are connected to solar batteries via charge converters and, via discharge converters, to load. Load comprises onboard computer, telemetry hardware and command-and-measure radio line. Said module comprises thermal control plate with SA mounted therein, separate charge and discharge converters connected to the load of independent power supply system and onboard computer. Note here that individual discharge converter represents a current stabiliser. Thermal control plate is provided with temperature transducers and heaters while module incorporates discharge resistance. Note that said transducers and heaters are connected with onboard computer. Individual discharge converter output is additionally connected via switch with discharge resistance. |
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Application: in the field of power engineering. Controller of high-temperature battery charging for compensator of power in power transmission line comprises sensor devices and devices of calculation that include memory, besides charging controller comprises model of virtual battery. |
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Computer-aided software-hardware complex for charging and aging 'prisma' storage batteries Invention relates to appliances intended for maintenance of storage batteries, particularly lead starter storage batteries with capacity approximating to 200 A/h. Proposed software device controlling storage battery charging/discharging consists of system controller (3) and PC (4). Software-controlled measuring adapters (10) with indication panels (11) convert the data from voltage transducers (9) and electrolyte temperature pickups (8) into digital form. Indication panels (11) display the storage battery state, i.e. connection, charging, discharging, interlocking, storage battery charge level scale, operation, availability of communication in charging/discharging control circuit. Power supplies (6) are implemented as pulsed program-controlled devices. Discharge circuits represent unit (7) of discharge resistors. Data exchange between power supplies (6), adapters (10), unit of discharge resistors (7) and control device (3, 4) is effected via interface (2). |
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Rack to charge and condition "prisma" storage batteries (sb) Proposed rack comprises table (1) with storage battery cells (2) furnished with terminals for the latter to be connected to power supply and storage batteries (4). Table (1) represents metal frame with feet and roll table (5) consisting of independent sections corresponding to the number of SBs (4). Each section of roll table (5) sets in pan (6) arranged on aforesaid frame. Cover (9) integrates rack side (7) and rear (8) walls. Side wall (7) and cover (9) are made from transparent material. Table frame is connected to earth. Air duct (10) is fastened outside rear wall (8) for it to be connected to exhaust fan. Rack incorporates appropriate means programmed control over SB charging/discharging. For this program-controlled adapters with indicating panels are incorporated with the rack. Storage battery voltage pickups and electrolyte temperature pickups are connected to aforesaid adapters. Indicating panels display SB state, i.e. cutting in, charging, discharging, interlocking, SB charge level scale, operation and availability of communication in charging/discharging control circuit. |
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Inventions relates to power supply of space vehicles, mainly geostationary satellites with three-axis orientation. Proposed method comprises charging/discharging storage batteries and storing them as charged. Analog pressure and temperature pickups local heaters are fitted on storage batteries. In operation, current heat emission is determined for it to be adjusted by local heaters proceeding from its thermal balance. In compliance with this invention, spacecraft comprises instrument unit representing rectangular parallelepiped. Inner surfaces of aforesaid unit accommodate devices and instruments, including thermal control system with local heaters. Thermal control system extracts heat to radiators. There is also onboard system of power supply with stabilised voltage converter. Analog pressure and temperatures pickups are connected, via storage battery control device, in data exchange channel between aforesaid voltage converter, thermal control system and onboard computer. The latter incorporates program designed to correct local heater operation depending upon charge degree, storage battery operating conditions and temperature. |
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Method for operation of nickel-metal hydride buffer batteries at electric cars Invention is related to electric engineering, namely to sources of supply, which may be installed in various transport means: hybrid electric cars, electric cars with power plants on fuel elements, etc. According to invention, method for operation of nickel-metal hydride buffer batteries consists in execution of rapid charge, switching to floating with low current and execution of discharge to achieve minimum voltage, rapid charge with current of up to 20 C is carried out until maximum voltage is achieved in accumulator or group of accumulators, which is calculated according to the following formula Umax=UC-k×(t-t0)+R× (lC-lRC), where UC is final charge voltage of accumulator (or group of accumulators) at rated charge current lRC at temperature of t0=20°C, k is temperature coefficient of voltage, t is temperature of accumulator, lC is charge current, R is resistance of accumulator (or group of accumulators), which corresponds to achievement of 85 - 90 % of maximum charge capacity; discharge is executed until minimum voltage is achieved in accumulator or group of accumulators: Umin=Ud-k×(t-t0)-R×(Id-Ird), where Ud is final discharge voltage of accumulator (or group of accumulators) at rated current of discharge lrd at temperature of t0=20°C; discharge or rapid charge is interrupted, when maximum temperature is achieved, equal to 60 - 65°C; repeated switching to rapid charge is carried out only after at least 10% of rated capacity is spent or after storage of more than 10 days. |
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Method of operational reliability improvement for stationary lead-acid battery of high capacity Invention relates to electrical engineering and may be used for operation of stationary lead-acid batteries of high capacity (SLAB HC). Method of SLAB HC operational reliability improvement includes periodic de-energizing part of battery modules for preventive maintenance, defining temperature of operation, identifying number of modules to be isolated for preventive maintenance and parallel connection of additional modules. The number of additional modules is defined by the dependence: Nadd=Nisol+(0.2+kt)[Preq/Pm], where Nadd - number of additional modules; Misol - number of modules isolated for maintenance; kt - temperature coefficient of capacity decrease; Preq -required battery power, MWt; Pm - power of one module, MWt. |
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Lead battery and storage method for lead battery Invention is attributed to the field of electric engineering specifically to lead accumulator batteries (AB). In this invention lead AB is suggested which becomes operative by means of filling it with ionogen. AB comprises positive and negative electrode plates each one of which has grid that contains alloy on the base of Pb-Ca; separators that isolate positive electrode plates from negative electrode plates; ionogen containing sulphuric acid; and accumulator container accommodating positive and negative electrode plates, separators and ionogen. Accumulator container is sealed and part of positive and negative electrode plates is immersed into ionogen. Y0 height of positive and negative electrode plates and Y1 distance from positive and negative electrode plates bottom to ionogen level satisfy relation: 15 ≤ Y1/Y0 × 100 ≤ 60. |
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Method for determination of lead accumulator battery residual capacitance Discharge current values that are periodically measured in the process of accumulator battery (AB) discharge, voltage in following accumulators, number of conditional full charge-discharge cycle and calculated value of measured capacitance are used to determine two design values of residual capacitance with application of dependences of residual capacitance on discharge voltage and full capacitance on accumulator wear, measure of which is number of conditional full charge-discharge cycle. Parameters of dependences are determined according to auxiliary schedules, which are built in advance using values achieved as a result of approximation of dependences that are received according to data of single-type accumulators tests. In order to visualise the discharge process during AB operation, two curves are built for dependence of design values of residual capacitance on measured capacitance, which make it possible to visually control process of residual capacitance change and confirm validity of received values of residual capacitance. Resulting value of residual capacitance is determined as simple average of two design values of residual capacitance. |
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Invention relates to development of secondary chemical DC sources, particularly, to conversion of chemical power into electrical power. In compliance with this invention, the proposed method of power accumulation comprises using hydrogen as a reducer and chlorine as an oxidiser, effecting an electrolysis at a 0.56 MPa and charging-discharging the accumulator adjusted subject to the pressure value. |
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Measuring pcb assembly for storage battery module Invention relates to measuring pcb assembly for storage battery. In compliance with this invention, the measuring pcb assembly incorporates connecting elements to effect electrical interconnection of single cells terminals. The aforesaid connecting element comprises an extending connecting part connecting it with the pcb furnished with through holes receiving the aforesaid extending parts of connecting elements and printed circuits connected with perforated holes. |
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Electric method of accumulator batteries quality control Invention is related to electric equipment and may be used in production of accumulators and accumulator batteries, in particular, lead-acid accumulator batteries. During electric monitoring of accumulator or accumulator batteries with electrolyte quality, which is performed on completion of last technological manufacturing operation in the time limits (τ1-τ2), which depends on the type of items and technology of their manufacturing, with temperature of electrolyte in items within the interval (T1-T2), which depends on the type of items, the process of discharge lasts at least 3 sec and not more than 30 sec, the value of discharge current is maintained equal to In for every nominal type of item during the full process of discharge, voltage drop on the outputs U0 is measured before the discharge start, voltage drop at outputs U1 is measured in the moment t1 of discharge process, voltage drop at outputs U2 is measured in the moment t2 of discharge process, voltage drop at outputs ue is measured in the moment te in the end of discharge, value ΔU is calculated in equal to difference (U1-U2), values U0, ue, ΔU are compared with control values U0, control> Ue, control, Δucontrol for every type of items and on the basis of such comparison the decision is made on the quality of items, at that items are considered high quality if U0 lies in the range of values U0,control> ue more or equal to ue,control, ΔU less or equal to ΔUcontrol. |
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Battery safety device for and battery equipped with this device Battery is equipped with safety device comprising first metal plate, second metal plate and pressure sensitive conducting film, placed by both metal plates and designed for electric conduction efficiency as specified or higher pressure is applied. First and second metal plates are electrically connected to positive and negative electrodes respectively. Safety device connected to battery prevents cell failure or at least its inflammation or explosion even if battery is affected by external action caused by mechanical pressure, nails, nippers or by external pressure by means of current transfer from battery to safety device and battery discharge before the moment battery is failure under the influence of external action or external pressure. |
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Method for control of power capacity of metal-hydrogen accumulator battery with gas collector Method for controlling of Metal-Hydrogen Accumulator Battery (MHAB) with common gas collector includes measuring of parameters determining the level of MHAB charge, carrying out charge-discharge cycles, determining residual level of MHAB electrochemical energy charge on the basis of measured parameters, determining discharge power capacity, checking of allowed level of MHAB discharge power capacity loss, and stop of charging after the moment when current loss of discharge power capacity has exceeded allowed level, with subsequent monitoring of selfdischarging until pressure balance of gas mix in the MHAB is achieved at rated temperature and power capacity of electrochemical generating in accumulators is recovered by means of recovering of their electrolyte content. |
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Composite electrochemical current supply Proposed composite electrochemical current supply has solitary secondary electrochemical current supplies electrically interconnected into series or series/parallel circuit with primary electrochemical current supply connected to each of them by means of switching device through electronic converter. Control unit functions to control voltage across each secondary electrochemical current supply and to disconnect respective primary one for charging secondary current supply to desired voltage level, or to disconnect composite electrochemical current supply from load to discharge secondary current supply below desired voltage level. |
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Method for equalizing capacity of nickel-hydrogen storage battery incorporated in space vehicle Proposed method for equalizing battery capacity makes use of tight dependence between rate of self-discharge of nickel-hydrogen cells and temperature and is implemented by disconnecting battery and load, its heating and storage at temperature not over 50 °C for time sufficient for complete discharge of all cells, that is, for voltage drop below 0.5 V. Proposed method is characterized in that it wants no special measures for its implementing as it uses heaters incorporated in storage battery. |
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Proposed nickel-hydrogen storage battery operating process involves checkup of steady-state self-discharge current and degree of battery charge against analog pressure transducers, battery storage in charged state with periodic additional charges to compensate for battery self-discharge in solar orbits, and conduction of charge-discharge cycles in shadow orbits; steady-state self-discharge current is maintained in battery between 0.003 and 0.006 of its rated capacity; additional charge is ceased according to arithmetic mean of analog pressure transducer readings whose value affords desired steady-state self-discharge current during additional charge ranging between 0.01 and 0.012 of battery rated capacity under charge-discharge cycle conditions. In addition battery location temperature is checked, and battery self-discharge steady-state current is maintained between 0.003 and 0.006 of rated capacity at battery location temperature below 10-12 °C both in additional-charge mode and during charge-discharge cycles; additional impulse charge is conducted, its parameters (period and relative pulse duration) being chosen to provide for mean charge current higher in magnitude by two or three times than battery steady-state self-discharge current. |
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Method for determining remaining capacity of lead accumulator Preliminarily for appropriate type of accumulators an empiric formula is determined, determining dependency of full capacity of lead accumulator on discharge current Idis, temperature t and electrolyte concentration d. On basis of individually measured during receiving-transferring tests of certain accumulator battery, values of capacitors in two discharge modes, determined are correction coefficients and precise values of full capacity, appropriate for discharge currents related to marked sub-ranges of current. During discharge, discharge vessel of accumulator battery is determined continuously, by integrating discharge current Cj,p = Σ(Ij,p·Δt), and each increment thereof is added to content of j-numbered cell, where j - number of sub-range, to which current discharge current Ijp is related. Computation of remaining capacity at present discharge current, related to n sub-range, is performed by modifying all discharge capacitors, received in various sub-ranges, to n sub-range, adding modified discharge capacitors and subtracting that total from precise value of full capacity, appropriate for n-numbered sub-range. |
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Proposed device has contact for connection to extreme terminals of storage battery, 2n output terminals, variable-voltage generator with transformer output, n controlled rectifiers whose outputs are connected to respective like-polarity terminals of cells, n strain gages, first and second switches, instrumentation amplifier, analog-to-digital converter, microprocessor, and control voltage supply. Outputs of strain gages are connected to n inputs of first switch whose output is connected to input of instrumentation amplifier and output of the latter, to input of analog-to-digital converter. Output of analog-to-digital converter is connected to microprocessor data bus which is connected to control inputs of first and second switches. Input of first switch is connected to output of control voltage supply and n outputs of second switch, to control inputs of n controlled rectifiers. Device provides for enhancing cycling intensity and eliminating polarity reversal of so-called weak cells thereby reducing drop in battery capacity with time, this being equivalent to enhancement of effective capacity by end of space vehicle active life. |
Another patent 2513022.