RU129669U1 - STAND FOR CONTROL OF THE DISCRETE COMMAND BOARD OF THE DIGITAL GAS-TURBINE ENGINE REGULATOR - Google Patents

Abstract

1. A stand for monitoring the board of discrete commands of a digital controller of a gas turbine engine, comprising a module for simulating discrete commands and signals, including a dial of discrete commands, as well as a control module and a power supply unit, characterized in that the stand is equipped with a technological controller having the ability to connect through a adapter board to the tested board, and the module for simulating discrete commands and signals is equipped with a discrete command display unit, the input of which is connected to the output of the process controller, and the output to the mode Management ciated with setpoint discrete commands, which is connected with the process regulyatorom.2. The stand according to claim 1, characterized in that the discrete command display unit has an output for connecting a device for registering signal values about the state of the tested board.

Description

The utility model relates to equipment for monitoring electronic circuit boards included in control systems of complex energy facilities, for example, aircraft gas turbine engines (GTE).

Known control equipment for multilayer printed circuit boards containing a base with an adapter and clamping mechanisms mounted on it. The adapter contains two lodgements with guide pins and three base clips to secure the controlled multilayer printed circuit board. The clamping mechanisms contain a guide panel with a matrix fixed to it with spring-loaded contacts and two latches for mounting the matrix. Basic latches contain a lever on the axis of rotation, resting one end on a spring-loaded sleeve on the base, and the other presses a controlled multilayer printed circuit board to the lodgement. The latches are connected by a handle to simultaneously move the spring-loaded levers along the guides and install the guide panel with the matrix in two positions: working and initial.

For testing, a controlled multilayer printed circuit board is mounted on pins with pins with levers withdrawn through grooves in the bushings and pressed by them. The clamping mechanisms in this case are in the initial position and are each driven for separate contacting to the corresponding contact pads of the controlled multilayer printed circuit board. The handles move the levers out of their original position and move the guide panels and matrices with spring-loaded contacts in the direction of the controlled multilayer printed circuit board until the working moment is fixed and fixed - the spring-loaded contacts of the matrices are fully pressed to the contact pads of the controlled multilayer printed circuit board.

(see RF patent for utility model No. 109365, CL H05K 1/18, 2011).

As a result of the analysis of the known device, it should be noted that it ensures accurate installation of the board and guaranteed pairing of its contacts with the matrix, however, it does not provide control of the state of the board, for which it is necessary to use equipment not included in the device.

A well-known automated software and hardware complex for monitoring boards containing a microprocessor connected through a matching device to a personal computer, and through a second matching device, to a counter-decoder connected to a switching unit. The switching unit is connected to a load master, a strain gauge simulator and a remote control connected to a microprocessor, which is connected to an analog-to-digital converter (ADC) simulator and has inputs for connecting the indicator boards under test, the ADC board and the digital-to-analog converter (DAC) board. The strain gauge simulator has an input for connecting the tested ADC board, and the ADC simulator has an input for connecting the tested DAC board. The device for measuring parameters consists of an oscilloscope and a voltmeter connected to the outputs of the load master. A personal computer is connected to a voltmeter. The indicator board, matching device, counter-decoder, switching unit and load adjuster are connected to the output of the power supply. The switching unit consists of a series-connected counter-electronic key and relay unit. A personal computer serves as a code generator for one of the tested types of indicator board cards, a generator for the second type of ADC cards tested - a strain gauge simulator, and a code generator for the third type of DAC motherboard is an ADC simulator associated with a microprocessor.

In this complex, the microprocessor is designed to receive a command from a personal computer, issue him a confirmation of the command with the necessary data obtained as a result of its execution; generation of control signals of tested boards; receiving signals from boards; Board calibration performing data recording in the EEPROM (in an electronically reprogrammable memory) of the tested boards (except for the indicator board); control unit switching; checking the voltage supply of the strain gauge.

The matching device is an optocoupler isolation and provides data exchange between a personal computer and a microprocessor.

A personal computer is the leading node in the claimed complex and is a Pentium-2 family computer with 2 COM ports. The computer gives commands, compares the received data with the expected ones, and draws a conclusion about the correct operation of one or another type of circuit board.

The matching device is an optocoupler isolation, which avoids the mutual influence of the switching unit and the microprocessor on each other.

The load regulator is a set of resistances switched by the relay of the switching unit.

The strain gauge simulator is necessary for the operation of the ADC boards under test and is used to set the voltage load.

The remote control is used to enter data and is a keyboard indicating the type of boards being tested.

Management of the complex is carried out from a personal computer.

The boards under test are supplied with voltage from the power supply. The ADC board also receives voltage from the load master, and the pressure code from the ADC simulator is supplied to the DAC board.

After executing the command, the microprocessor issues the code of the executed command, as well as data with the expected parameters through the matching device to the personal computer, and draws a conclusion about the correct operation of one or another functional block. The computer compares the received data with the expected and makes a conclusion about the correct operation of the tested board. When checking the set currents and power consumption of the boards, the computer receives data from a digital voltmeter. When a visual assessment of the parameters of the indicator boards and the DAC board is required, the operator checks the compliance of the parameter value with the norm visually or with an oscilloscope and enters the result into the computer.

(see RF patent for utility model No. 43979, class G01R 31/28, 2005) is the closest analogue.

As a result of the analysis of the implementation of the known complex, it should be noted that it does not allow you to reproduce and verify the operation of the board in combination with other boards of a real controller.

The technical result of this utility model is the development of a stand for monitoring the board of discrete commands of a digital gas turbine controller with all electronic elements installed on it, which ensures high reliability and efficiency of monitoring the performance of the tested board in conditions as close as possible to real work as part of a regular controller.

The specified technical result is ensured by the fact that in the stand for monitoring the discrete command board of the digital controller of the gas turbine engine, which contains a module for simulating discrete commands and signals, including a discrete command dial, a control module and a power supply, the new one is that the stand is equipped with a technological controller having the ability to connections through the adapter board with the tested board, and the module for simulating discrete commands and signals is equipped with a discrete command display unit, the input of which is connected to Exit process controller, and an output - with a module associated with setpoint discrete control commands, which is connected with a process controller, wherein the digital display instruction unit may be output to connect the device registration status values of the tested board signals.

The essence of the utility model is illustrated by graphic materials on which a diagram of a control stand for a board of discrete commands of a digital gas turbine controller is presented.

The stand for monitoring the discrete command board of the digital controller GTE includes a technological controller 1, which through the adapter board 2 has the ability to connect bidirectional communication with the tested board 3. The stand is equipped with a module 4 for simulating discrete commands and signals, which includes a unit 5 for displaying discrete commands and a controller 6 discrete commands. The stand is powered by a power supply 7. The stand also includes a control module 8.

The technological controller is connected by bi-directional communication with the setter 6, and the output is connected to block 5. Block 5 has an output “A” for connecting a device (not shown) for registering the values of signals on the state of the tested card coming from technological controller 1. Control module 8 is connected to the output unit 5, with a setter 6, as well as with a device (not shown) for registering the values of signals about the state of the tested board coming from the technological controller.

The claimed stand is equipped with standard blocks and modules.

So, as a control module 8, a standard computer can be used, the program block of which contains control programs for the boards, the operation mode is set from the keyboard, and the results of the verification are visualized on the monitor.

As a technological controller 1, a real gas turbine engine controller is used, equipped with all reference cards, with the exception of the circuit board to be tested, in the case of which a technological window is arranged opposite the connector, in which, instead of the circuit board, a riser circuit board with a quick-detachable clip is installed, so that the circuit board that is checked is easily switched with its standard regulator connector, being outside its housing.

As the power supply unit 7, a standard power source with a fixed stabilized voltage level, for example, a battery, can be used.

As block 5 can be used light panel.

A standard multi-contact switch that connects the input of the tested board for each discrete signal to the power supply can be used as a discrete command generator.

The adapter board is a block of connectors that allows for the docking of the tested board 3 with the technological regulator 1.

The claimed stand works as follows.

To control the board 3, it is joined through the adapter 2 to the technological controller 1 and fixed to the controller by a quick-detachable clamp (not shown). Turn on the power supply 7. From the keyboard of the control module 8, the control mode of the board 3 is set, according to which the control signals from the module 8 of the module 8 are supplied to the control unit 6. From the control unit 6, the technological controller 1 is turned on, which processes the control commands complete with the tested board 3. The 3 commands worked out by the control board through the adapter board 2 they are transferred to the technological controller 1 and from it to the unit 5, where the completed command is visualized in the form, for example, of a light signal and transmitted to the display of the control unit 8. If it is necessary to determine the signal value, the signal arriving at block 5 is removed from the output “A” of block 5 and transmitted to the device for registering signal values about the state of the tested board. As such a device, for example, a voltmeter can be used.

After checking the status of the board, turn off the power supply 7, unfasten the quick-release clip and remove the board 3. To control the next board, the process controller, if necessary, is connected to the corresponding adapter board, with which the next board to be checked is joined and the cycle repeats.

The implementation of the claimed stand allows you to provide operational and reliable control of various circuit boards in conjunction with the operation of the circuit boards of the device, as part of which it will operate.

Claims (2)

1. A stand for monitoring a board of discrete commands of a digital controller of a gas turbine engine, comprising a module for simulating discrete commands and signals, including a discrete command controller, as well as a control module and a power supply unit, characterized the stand is equipped with a technological controller that can be connected through the adapter board to the board under test, and the discrete command and signal simulation module is equipped with a discrete command display unit, the input of which is connected to the output of the process controller, and the output is connected to a control module connected to a discrete controller teams, which is connected to the technological regulator. 2. The stand according to claim 1, characterized in that the discrete command display unit has an output for connecting a device for recording signal values about the state of the tested board.

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