Multiple-channel complex of test equipment of storage batteries
SUBSTANCE: multiple-channel complex of test equipment of storage batteries includes microprocessor unit connected to functionally independent power units. Each power unit includes control device, charging-discharging device, switching unit and equalising device. Operating mode of complex is set with test programme which is loaded by means of microprocessor unit to independent power units. Control device determines operating mode of charging-discharging device and connects its power circuits to storage battery by means of switching unit. Parametres of storage battery are controlled by control device. In case of voltage unbalance between battery accumulators, control device supplies the appropriate command to the equalising device. Command is supplied to input of channel selection device which by means of switching device connects milking unit and/or milking unit to power switches unit and at the same time performs their selection by means of control unit of power switches.
EFFECT: enlarging functional capabilities of device and equalising voltages of storage battery.
3 dwg, 2 cl
The invention relates to the field of development and operation of the secondary power sources and can be used for preparation for storage, holding the resource and acceptance testing of the batteries.
In terms of total signs closest to this invention is a kit test equipment primary batteries and rechargeable chemical current sources containing the block processing of the measurement results and the generation of control signals, a power unit, providing a preset modes of discharge and battery chemical current sources (RF patent No. 84592 U1, CL G05B 23/02, 2008).
The disadvantage of this known set of test equipment primary batteries and rechargeable chemical current sources is a single-channel execution and no compensation block voltages of the rechargeable battery.
This technical result is achieved by the fact that multi-channel complex test equipment battery contains a microprocessor unit, a control device, the charge-discharge device providing preset modes charge and discharge the battery, switching unit charge-discharge device to the power circuits of the battery, the device alignment voltage of the battery, while microprocessor the unit is loading test programmes in the Autonomous and functionally independent power units, in which the control unit executes control of the charge-discharge device, the switching unit and device alignment voltage of the battery.
In multichannel complex test equipment batteries used built-in nonvolatile memory intended for loading, storage and selection of testing programs.
In multichannel complex test equipment battery has the ability to reprogram the control firmware of the microprocessor unit and a control unit via standard interfaces for data exchange that allows you to update the firmware code of the control program of the complex away without having to travel or return the equipment to the manufacturer to change the device configuration.
In multichannel complex test equipment battery after power-up automatically diagnostics hardware components of the system responsible for the safe conduct of the test.
In multichannel complex test equipment batteries stabilization current charge and discharge is performed hardware and software the way in which hardware regulation is carried out by applying to the regulator is ora current code combination signals, and soft throttling allows you to change the value of the analog signal at the control input of the regulator, thereby limiting the deviation of the current from the set specified in the test program.
In multichannel complex test equipment battery exchanges data with external devices via USB, allowing you to connect to a modern PC, automatically recognizing the model of the complex and providing high performance data sharing and connect to PC industrial RS-485 interface, which allows you to transfer information over long distances, which enables remote management of the complex.
The invention is defined by the drawings and description of the principle of operation.
Figure 1 presents the block diagram of the multichannel test equipment batteries, figure 2 - block diagram of the alignment device, figure 3 - connect the battery to the complex test equipment.
Multi-complex 1 test equipment battery (AB) 2 contains a microprocessor unit 3, connected to a functionally Autonomous power units 4, each of which contains a control device 5, the charge-discharge device (CDD) 6, Blo is 7 switching (Bq) and the device 8 alignment (HC). The outputs of the control device 5 is also connected to the inputs of block 7 switching the inputs of the charge-discharge device 6, the input device 8 alignment. The inputs of the control device 5 is connected to the terminals of the battery corresponding to the battery 2. Power conclusions charge-discharge device 6 through the block 7 switching connected to the leads of the corresponding rechargeable battery 2. The outputs of the device 8 alignment is connected to the terminals of the battery corresponding to the battery 2. The device 8 alignment contains the block 9 doseage and block 10 goretrade the outputs are connected to the inputs of the switch 11. The output switch 11 is connected to the input unit 12 of the power of the keys. The output of block 12 power switches connected to the terminals of the battery corresponding to the battery 2. The input device 13 of the sample channel is connected to the outputs of the control device 5. The output device 13 of the sample channel is connected to the input circuits of block 14 control the power switches. The output unit 14 controls the power switches connected to the input unit 12 of the power of the keys.
Multi-complex 1 test equipment operates as follows. Microprocessor unit 3 performs incremental loading test programmes in the Autonomous power units 4. In accordance with the principle of functioning is of the loaded test program, the control device 5 performs the desired operation mode charge-discharge device 6 and connects the power circuit corresponding to the battery 2 through block 7 commutation. The parameters of the rechargeable batteries 2 are measured and analyzed by the control device 5. In case of unbalance of the voltages between the battery corresponding to the battery 2, the control device 5 outputs the device 8 alignment command, which is received at the input device 13 of the sample channel and by means of the switch 11 connects the block 9 doseage and/or block 10 dorsad to the block 12 power switches, the outputs of which are connected to the terminals of the battery corresponding to the battery 2. Simultaneously, the device 13 sample channel using unit 14 controls the power switches controls the state of the block 12 of the power of the keys.
1. Multichannel complex test equipment battery, containing a microprocessor unit, connected to a functionally Autonomous power blocks, each of which contains a control device, a charging-discharging device and the switching unit, characterized in that each power block is entered, the alignment device, the output control unit connected to inputs of the charge-discharge device, the inputs of the switching unit, the input device alignment, the input control device is connected to the terminals of the battery corresponding to the battery, the power outputs of the charge-discharge device is TBA connected to the input of the switching unit, the outputs of which are connected to the pins of the corresponding battery, the outputs of the alignment device connected to the terminals of the battery corresponding to the battery.
2. Multichannel complex test equipment battery according to claim 1, wherein the alignment device includes a block doseage and block goretrade the outputs are connected to the inputs of the switch, the output of which is connected to the input of the power switches, the output unit power switches connected to the terminals of the battery corresponding to the battery, the device inputs sampling channel connected to the outputs of the control device, the output device selection channel connected to the input circuits of the control unit power switches, the output of which is connected to the input of the power switches.
SUBSTANCE: portable radio station power supply device comprises the first and second accumulators, external charging device, the first, second and third electronic switches, unit of voltage and current monitoring, indication unit, unit of device operation modes control, step-up voltage converter in the form of a unit made of inverter, a step-up transformer, a rectifier and a smoothing filter, to output of which DC loads (portable radio stations) are connected, and the external charging device is connected to the input of the third electronic switch.
EFFECT: increased duration and continuity of portable radio stations operation in field conditions, provision of the possibility to generate several nominal values of power supply voltage and improved power quality.
SUBSTANCE: when charge of each electric energy storage device from power supply which is external for transport vehicle is requested ("ДА" to S10), electric energy storage devices are charged/discharged between each other (S20) before each electric energy storage device is charged. Control device of accumulator calculates voltage-current characteristic of each electric energy storage device on the basis of voltage and current of each electric energy storage device, which are assembled when electric energy storage devices are charged/discharged between each other (S30). Functional unit of each electric energy storage device calculates open circuit voltage (OCV) on the basis of calculated voltage-current characteristic (S40), and condition of the charge of each electric energy storage device is evaluated from the calculated (OCV) (S50).
EFFECT: improving evaluation accuracy of the charge condition of electric energy storage device.
11 cl, 10 dwg
SUBSTANCE: analysis of susceptibility of nickel-cadmium accumulators to heat acceleration, which is combined with analysis indicator, showing quantitative assessment of development of dendrites inside separation of accumulator, which contribute to creation of heat acceleration. Device includes generator (1) of alternating sine-wave voltage, inspected accumulator (2) connected to outputs of generator; control and analysis unit (3) connected to input and output of generator, to input of testing conditions unit (4), to input of memory unit (5), to output of indication unit (6). Control and analysis unit (3) changes frequency of generator (1) in compliance with the specified algorithm. Sine-wave current flowing through accumulator (2) and polarisation voltage of accumulator are supplied to control and analysis unit (3) for calculation of ohmic resistance of accumulator. At low value of ohmic resistance the indication unit (6) shows quantitative assessment of development of dendrites inside separation of accumulator 2, the higher the value is, the more the accumulator is prone to heat accumulation.
EFFECT: possibility of analysing nickel-cadmium accumulators for susceptibility to heat acceleration.
SUBSTANCE: invention refers to electric engineering, specifically to test and control equipment for accumulator battery charge-discharge cycling during testing, maintenance and preparation for work of nickel-hydrogen batteries at manufacturing plant and in operating organisations. Device for charge-discharge cycling contains DC power supply, load unit, controller. Between DC power supply and AB, the fist and the second controlled bipolar switches are incorporated. Their first output poles are coupled and connected to positive side of AB, and their second output poles are coupled and connected to negative side of AB. At the same time, positive side of DC power supply is connected with the first input pole of the first switch and with input of load unit the output of which is connected with the second input pole of the second switch, and negative side of DC power supply is connected with the second input pole of the first switch and with the first input pole of the second switch. Controller is electrically connected with AB output and with controlled inputs of switches and DC power supply. Additionally, load unit is performed using series-connected diodes to which DC fans are connected.
EFFECT: reducing error of measurement of electric quantity received during accumulator battery (AB) charging and returned during discharge in each charge-discharge cycle; possibility to discharge AB to 0 V and lower; simplification of practical implementation.
FIELD: physics, measurement.
SUBSTANCE: invention is related to the field of process parameters measurement and control. Method and device may be used for measurement of electrolyte density in lead accumulators in composition of accumulator batteries diagnostics system by means of refractometric determination of function, for instance, of Lorentz-Lorentz, index of electrolyte refraction. Measurement of density consists in measurement of photodetector electric signal, which registers monochromatic flow of radiation reflected at the angle of 45° from flat surface of reference material, which is in permanent contact with accumulator electrolyte, measurement of electrolyte temperature and calculation of electrolyte density according to suggested formulas. Device that realises the method comprises refractometric detector, temperature detector and microcontroller, which calculates battery accumulator electrolyte by measured electric signals of detectors.
EFFECT: increased accuracy and validity of measurements, automation, and also design simplification.
3 cl, 1 tbl, 7 dwg
FIELD: electrical engineering.
SUBSTANCE: according to invention as electrolyte level detector stainless steel metal plate is used, which is installed into accumulator tank cover, which is electrically connected to light diode that is also fixed on accumulator cover, which in its turn through resistor is connected to positive lead (terminal) of accumulator. At that rated working voltage of light diode makes 60-70% from nominal accumulator voltage, and value of resistor resistance is defined as quotient from division of difference of rated voltage of accumulator and nominal voltage of light diode by value of maximum durable current of light diode.
EFFECT: provision of permanent control.
2 cl, 1 dwg
SUBSTANCE: 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.
EFFECT: higher accuracy of residual capacitance determination.
4 cl, 10 dwg, 2 ex
SUBSTANCE: protective device contains constant voltage element featuring discharge/heat-dissipating characteristics in overvoltage condition and element with metal-insulator transition (MIT-element) featuring discharge characteristics in overheating condition. These elements are physically contacting and connected in parallel. Both constant voltage element and MIT-element is connected in parallel between cathode lead and anode lead of secondary battery. Such contact protective device has characteristics combining discharge/heat-dissipation characteristics of constant voltage element and discharge characteristics of MIT-element which immediately responds to heat dissipation of constant voltage element. This profitably results in the effect of excess charge prevention, as in case of excess charge the contact protective device causes discharge in terms of two factors - voltage and temperature.
EFFECT: improvement of operational safety of secondary battery under action of overvoltage and overheating.
12 cl, 14 dwg
SUBSTANCE: unit for battery voltage and temperature measuring in storage battery includes temperature measuring elements (a) attached to definite batteries surfaces and printed circuit card (b) with projections formed on the top so that to ensure their connection with linking elements of electrode outputs. Projections connect electrode outputs of definite batteries, linking elements placed on the bottom to enable fastening of temperature measuring elements to printed circuit board and current supplying circuit to measure separate batteries voltage and electric current to measure temperature of temperature measuring elements.
EFFECT: easiness of service; improvement of reliable operation and temperature measuring accuracy.
6 cl, 3 dwg
SUBSTANCE: device includes two closing keys, capacitor of given capacity, automatic memory, bleeder with division factor k=0.95, comparator, analog-digital converter, microcontroller (MC), indication unit, measurement launch key, digital-to-analog converter. MC processes signal by the following formula: QEL = C • UCSC / [(tcharge - tcom) • 2k], where QEL is the capacity of the source of current under investigation, A·h; C is the capacity of capacitor charged, F; UCSC is the voltage at the source of current under investigation; V; tcharge is the time of capacitor charge by the source under investigation, s; tcom is the compensation time of capacitor charge time increase due to end values of leads and input switch resistance; k is a factor accounting for the constructive and technological features of the chemical source of current under investigation.
EFFECT: less error; faster measurement and simpler construction.
1 tbl, 1 dwg
SUBSTANCE: circuit with a control device, memory device, controlled control device and at least two measurement devices connected to the control device and which record measurement results via time correlation in the same time instants, as well as transmitting said results to the control device. The control device can record measurement results of two measurement devices into the memory device in form of a logic array with rows and columns, wherein the device devotes, for each measurement device, a column in which measurement results of the corresponding measurement device are recorded. The new measurement result of each measurement device is respectively entered into the next row of the corresponding column, and recording of measurement results of different measurement devices is correlated row-by-row, for which measurement results of different measurement devices, relating to the same time instant, are recorded in the same row.
EFFECT: faster sampling of recorded measurement results.
14 cl, 6 dwg
FIELD: information technology.
SUBSTANCE: control device for a process control loop has a housing (50) which can be clamped during the production process. The circuit (62) of the loop interface is connected to the process control loop (18) and receives data from the process control loop (18). Memory (64) stores data received by the circuit (62) of the loop interface from the process control loop (18).
EFFECT: simple process of controlling production processes.
25 cl, 4 dwg
FIELD: information technology.
SUBSTANCE: disclosed device further employs a unit for receiving, analysing and processing controlled parametres taking into account assigned and accepted tolerances corresponding to mainly 20% of operating limitations and mainly 20% of extreme limitation s of controlled parametres for separate state of the "Crew-Aircraft" for special situations accepted in airworthiness standards, and a display and viewing unit, wherein the said unit for receiving, analysing and processing controlled parametres is adapted to create a trend of controlled parametres taking into account the assigned and accepted tolerances mentioned above, mainly 20% for operating limitations and mainly 20% on extreme limitation of controlled parametres and furnishing the crew with timely information on entering critical modes, and the said display and viewing unit has a beam diagram.
EFFECT: broader functional capabilities owing to improved signal processing and display of said data.
FIELD: information technology.
SUBSTANCE: system comprises signal processing data collection units for generating statistical data, frequency analysis data, autoregression data and wavelet data. The system displays images representative of the devices, as well as data obtained based on signal processing data associated with one or more devices. For example, signal processing data of a specific device can be displayed. In another embodiment, data generated by converting signal processing data can be displayed.
EFFECT: possibility of presenting a correlation matrix of process control parametres in order to predict or detect emergency situations.
22 cl, 47 dwg
FIELD: information technology.
SUBSTANCE: method of constructing a mobile repair unit for communication equipment additionally involves identification (determination) of the type of the communication equipment connected to the repair unit. The diagnosis program is selected depending on the type of the connected communication equipment. The communication equipment is diagnosed. The degree of importance (priority) of the repaired part of the communication equipment is determined and unit repair is carried out.
EFFECT: high efficiency of the repair unit for communication equipment owing to diagnosis and repair of communication equipment depending on the type of the equipment.
FIELD: information technology.
SUBSTANCE: in the method of creating control-diagnostic tests before creating the tests through digital shooting in optical range, pictures of the non-component side of the article with clear identification of types of radio components thereon and their position is obtained. For each combination of input test electrical signals, simultaneously with determination of standard values of parametres of electrical response signals from outputs of a standard sample of the article of the given type which is known to be fault-free, standard digital infrared images of the standard sample of the article of the given type are obtained through digital infrared video shooting, where the said infrared images display the differences between thermal conditions of the radio components in places where they are located on the fault-free standard sample of the article of the given type. The obtained data are entered into the computer data base of the control-diagnostic installation and are used for subsequent monitoring of correct operation and diagnosing faults in articles of the given type.
EFFECT: detection of faulty radio components without violating integrity of moisture-proof coating of the article, high efficiency and reliability of diagnosis.
5 cl, 2 dwg
SUBSTANCE: in device, comprising object of control, set of software-controlled sources of inlet test signals, set of digital metering parametres of response signals, control computer of device, there is additionally introduced digital video camera of infrared range, installed onto object of control with the help of adapter accessory, outlet of digital video camera of infrared range is connected to additional inlet of control computer of device, at the same time adapter accessory provides for fixation of digital camera lens with provision of full view of electric radio elements installed on object of control, and protection against effect of external radiations at results of diagnostics of controlled object faults.
EFFECT: invention provides for detection of faulty electric radio elements without damage to integrity of moistureproof coating of printed circuit boards, increased efficiency and validity of diagnostics.
3 cl, 4 dwg
SUBSTANCE: in method based on qualification of operable or faulty condition of controlled sample of radio electronic equipment (REE) depending on match or mismatch of measured values of parametres of electric signals of response and reference values of parametres of the same signals for operable condition of this type of REE, additionally infrared image (thermal image) of REE is produced with the help of digital video camera of infrared range with display of temperature conditions of electric radio elements (ERE) on it, as well as sections of electric circuits, and also their location in composition of REE sample, having detected REE faults by mismatch of measured and reference values of parametres of electric signals of response, produced infrared image of REE reflecting actual condition of ERE is compared with previously produced one, and results of comparison are used to determine location of faulty ERE to be replaced.
EFFECT: invention provides for detection of faulty electric radio elements without damage to integrity of moistureproof coating of printed circuit boards, increased efficiency and validity of REE faults diagnostics.
6 cl, 4 dwg
SUBSTANCE: device to control main parametres and operability of circuit board of control of electronic control system (ECS), current sensor (CS) and switch, comprises unit of supply, receiving part, central processor (CP) and converter of analog signal into digital one (ADC), control unit, unit of testing equipment, comprising tested CS, ECS circuit board and switch.
EFFECT: increased reliability of operation of electronic control system, current sensor and switch in process of operation.
FIELD: machine building.
SUBSTANCE: control system consists of control valve, of valve controller, of control line, of supporting component, of two pressure gauges, of logic, of processor, and of storage for recording threshold rate of change. The valve controller consists of two pressure gauges and is connected to a pneumatic actuator of the valve and to a solenoid valve for testing the valve actuator and solenoid valve under the on-line mode. To test the solenoid valve the valve controller measures pressure at various ports of the solenoid valve by actuating the solenoid valve for a very short period of time. The valve controller determines complete operability of the solenoid valve by derivative of difference between measured pressure signals, i.e. basing on rate of change of difference of measured pressure signals in time.
EFFECT: raised reliability of system functionality.
15 cl, 4 dwg
FIELD: automatic control, applicable in systems with excessive quality of transducers, for example, accelerometers, a failure of one of which should not result in a failure of the control system.
SUBSTANCE: the method is based on a periodic check-up of relation between the measured parameters of motion characterizing the correct operation of the transducers, fixation of the moment of failure of the relation, comparison of the readings of the transducers at this moment and at the moment preceding the moment of disturbance of the relation, and determination of the failed transducer by the results of the comparison.
EFFECT: expanded functional potentialities due to possibility of determination of the failed transducer in any excess system.