CN109557481B - Power module detector special for military antitank missile - Google Patents
Power module detector special for military antitank missile Download PDFInfo
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Abstract
The invention discloses a special power module detector for a military antitank missile, which comprises an instrument case, a connecting cable, a power module, an embedded PC104 computer and a multifunctional data acquisition card, wherein the power module is arranged on the inner side of the instrument case and supplies power to a whole machine, the embedded PC104 computer is arranged on the inner side of the instrument case, and the multifunctional data acquisition card is arranged on the inner side of the instrument case and is communicated with the embedded PC104 computer; the multifunctional data acquisition card is connected with a voltage division and conditioning circuit board through a card; the voltage division conditioning circuit board is in communication connection with a power module detection socket embedded on the front panel of the instrument case; the special power module detector for the military antitank missile can solve the problem of quick detection and repair of power modules of army equipment; in addition, the comprehensive detection of the performance parameters of the stock power supply modules is carried out, and whether the performance parameters of the power supply modules stored for many years can meet the requirements is judged.
Description
Technical Field
The invention relates to a detector, in particular to a power module detector special for a military antitank missile, and belongs to the technical field of detectors.
Background
At present, a red arrow 73 series antitank missile of army equipment mainly comprises 4 types of missile weapon systems of AFT07 and AFT07A, AFT07B, AFT C; AFT07 is a first generation antitank missile weapon system designed by China, and although the production of missiles of the model is stopped at present, a considerable amount of missiles are in service of armies; the red arrow 73 modified series comprises three missile weapon systems AFT07A, AFT07B, AFT C, which are second generation antitank missile weapon systems self-designed in China and are used for attacking enemy tanks and other armored targets and destroying firepower points and field operations of enemy; the AFT07A and AFT07B missile weapon systems are mainly distinguished on missiles, and the ground control of the AFT07A and the AFT07B missile weapon systems is the same; the AFT07C antitank missile weapon system is a new generation antitank missile weapon system newly developed in China, adopts the same control mode as the AFT07A/B weapon system and has the same ballistic characteristic, and the main difference is that the AFT07C missile weapon system is added with a thermal image sighting device and a follow-up device; from the mid-80 red arrow 73 of the 20 th century to the series of missiles, army equipment is provided in a large scale, and the army equipment is a backbone force for the antitank battle of the 21 st century. Corresponding to the combat equipment is spare parts of AFT07A/B/C series missile equipment, aiming at the equipment, each type of missile is also provided with a large number of spare parts, including an AFT07A missile launcher inspector power module, an AFT07C missile launcher inspector power module, an AFT07A single-group battery inspector power module, an AFT07C single-group battery inspector power module, an AFT07A six-group battery inspector power module, an AFT07C six-group battery inspector power module, an AFT07A control box power module, an AFT07C control box parameter detector power module and the like, and the spare parts are stored in units of national defense warehouses, military missile repair test stations, army repair stations and the like and are detected once every certain period according to spare part storage requirements; it is known that a large number of special power modules are used in the army equipment at present, and a large number of special power modules are also used for maintenance and repair of the army spare parts in the army equipment warehouse and the army maintenance and repair department. The power supply modules are divided into two types, one type is a special power supply module for combat equipment; the other type is a special power module for the guarantee equipment (such as detection equipment, simulation training equipment and the like); the power module is often damaged in the repair of forces, and the special power module needs to be judged to be good or bad in the repair, and no instrument or equipment for detecting the good or bad of the power module exists at present. The power module spare parts in stock are good or bad, whether the performance parameters are in a qualified range or not, and no detection means exists at present; the detection of the dedicated power supply module is not as simple as imagination, not just measuring the output voltage of the power supply module. Firstly, the special power supply module has strict performance index requirements, such as various technical indexes of voltage, current, power, ripple voltage, precision, continuously adjustable voltage range, short-circuit protection function and the like, and only if the indexes are satisfactory, the power supply module can calculate to be qualified; secondly, in the repair of army equipment, a very troublesome problem is often encountered when a power supply module is searched for whether the power supply module has a fault or not, namely, how to enable the power supply module to work and detect the output voltage of the power supply module; only if the power supply module works, whether the output of the power supply module is normal or not can be detected; in general, the power module needs to work normally, and besides the input voltage is applied to the input end of the power module, a load is connected to the output end of the power module, so that the power module can work to detect whether the output of each path of the power module is normal. In case of power failure of equipment, a great deal of time and effort are spent to search whether the input part of the power module is failed or the output part or the load is problematic under the condition that no detection instrument or means exists at present, and the manual judgment is extremely inaccurate and can only be qualitatively but not quantitatively judged.
Disclosure of Invention
In order to solve the problems, the invention provides a special power module detector for a military antitank missile, which can solve the problem of quick detection and repair of army equipment power modules; in addition, the comprehensive detection of the performance parameters of the inventory power supply module is carried out, and whether the performance parameters of the power supply module stored for many years can meet the requirements is judged; the research can fill the blank of detection of the special power supply module of the army equipment, can be applied to detection of the power supply module of various equipment such as missiles, radars, artillery and the like through simple transformation, and has popularization value in army areas or army.
The invention relates to a special power module detector for a military antitank missile, which comprises an instrument case, a connecting cable, a power module, an embedded PC104 computer and a multifunctional data acquisition card, wherein the power module is arranged on the inner side of the instrument case and supplies power to a whole machine, the embedded PC104 computer is arranged on the inner side of the instrument case, and the multifunctional data acquisition card is arranged on the inner side of the instrument case and is communicated with the embedded PC104 computer; the multifunctional data acquisition card is a PM511PF acquisition module, is a data acquisition board compatible with a PC104 bus, and forms a data acquisition, waveform analysis and processing system of the measurement and control system; the ART acquisition card is provided with an A/D converter and a D/A converter with 12Bit resolution, and provides 16 paths of single-ended or 8 paths of double-ended analog input channels and 4 paths of D/A output channels, wherein the input signal range of the A/D converter is +/-5V, +/-10V and 0-10V, and the input signal range of the D/A converter is 0-5V, 0-10V, +/-5V and +/-10V; 16 paths of switching value inputs, 16 paths of switching value outputs and can be powered on and cleared; the multifunctional data acquisition card is connected with a voltage division and conditioning circuit board through a card; the voltage division conditioning circuit board is in communication connection with a power module detection socket embedded on the front panel of the instrument case; the voltage division and conditioning circuit board mainly has the functions of dividing the voltage output by an AFT07A, AFT07B, AFT C antitank missile control box power module, a control box parameter detector power module, a transmitting device detector power module, a single-group storage battery detector power module, six-group storage battery detector power module and the like to be reduced to-10V to +10V which is suitable for the input range of a data acquisition card, and then isolating at high voltage to prevent the data acquisition system from being damaged; because the voltage output by a power supply module is up to +500V, and the input of a general data acquisition card is at most typically-10V to +10V, the high voltages are required to be divided and reduced, so that the data acquisition card is suitable for the input range of the data acquisition card; the design principle of the voltage dividing circuit is to apply ohm law, and because the output voltages of the power supply modules are different and are in the range of +5V, +10V, +12V, +15V, +24V, +25V, +30V, +110V, +130V, +220V, +500V, 12V, -15V, -220V and the like, the serial voltage dividing principle is adopted, so that the R1 and RX voltage dividing values are between-10V and +10V; for high voltages 130V and 500V, the resistance power can meet the requirement by calculating the power of the voltage dividing resistor, namely if R1 takes 5m and rx takes 40K, the voltage dividing value is 4V, the current is 0.1mA at this time, the power consumed by the resistor R1 is p=i2=0.01×10-6×5×1o6=0.05W, and the common resistor is 1/8 w=0.125W, and for safety, three resistors are selected for series connection for R1 to reduce the power of each resistor; the touch screen adopts a 7.5 inch LCD color liquid crystal display as the whole instrument operation, can directly select the type of a detected power module on an LCD color liquid crystal display picture by fingers, and after the detection is started, the detection result displays various test parameters in a Chinese character form by the display screen, and automatically judges whether each power supply is correct or not; the power module comprises a mains supply interface arranged on the instrument case, a main power switch electrically connected with the mains supply interface, a power module switch and a first AC-DC module which are connected in parallel with the output end of the main power switch, and a second AC-DC module and an alternating current input power module which are connected in parallel with the output end of the power module switch; and the direct current input power supply module is connected in parallel with the output end of the second AC-DC module; the main power switch and the power module switch are arranged on the front panel of the instrument case, and the first AC-DC module is used as a subsequent upgrading power supply interface.
Further, the direct current input power supply module is a power supply module; the alternating current input power supply module is an analog storage battery power supply module; the output end of the computer power supply module is provided with direct current +5V, +12V and-12V voltage interfaces which are used as power supplies of embedded computers, LCD display screens and the like, and the output end of the analog storage battery power supply module is provided with a 12.5V voltage interface; the simulated storage battery power supply module generates 12.5V voltage to replace the AFT07A storage battery and the AFT07C storage battery to be used as a detected AFT07A/B/C special power supply module for supplying power.
Further, the voltage division conditioning circuit board comprises a conditioning circuit which is communicated with the multifunctional data acquisition card; and the input end of the conditioning circuit is electrically connected with the voltage dividing and reducing network module.
Further, the voltage-dividing and voltage-reducing network module is composed of a plurality of groups of resistor series voltage-dividing circuits, wherein each resistor series voltage-dividing circuit comprises a transmitting device detector +500V high-voltage-dividing network module, a transmitting device detector +110V high-voltage-dividing network module, a transmitting device detector +24V high-voltage-dividing network module, a transmitting device detector +12V voltage-dividing network module, a control box parameter detector power module +130V voltage-dividing network module, a control box power module +220 high-voltage-dividing network module, a control box power module-220V high-voltage-dividing network module, a control box parameter detector +5V voltage-dividing network module, a control box parameter detector +15V voltage-dividing network module, a control box parameter detector +12V voltage-dividing network module, a single-group storage battery detector +30V voltage-dividing network module, a control box parameter detector power module +130V voltage-dividing network module, a transmitting device detector +5V voltage-dividing network module, a control box power module +5V voltage-dividing network module and a multi-path voltage-dividing network module of six groups of storage battery detectors; the control box power supply module-220V high-voltage division network module is electrically connected to the 1:1 reverse operational amplifier circuit through a radio follower; the 1:1 reverse operational amplifier circuit is electrically connected to the input end of the first switch, for-220V voltage, namely voltage division and reduction are needed, high-voltage isolation is needed, and the input end of the high-voltage isolation is needed to be positive voltage, so that-220V is converted into positive voltage, the circuit is a control box power supply module-220V high-voltage division network module, voltage division is carried out by resistors R63, R64 and R65, and the input requirement of-10V to +10V of the multifunctional data acquisition card is met; after the partial pressure is finished, the power supply enters an emission follower U3, and the output of the emission follower U3 enters a 1:1 reverse operational amplifier circuit U4; the output end of the 1:1 reverse operational amplifier circuit U4 enters a multifunctional data acquisition card; the input end of the first switch is also respectively connected with a transmitting device detector +500V high-voltage division network module, a transmitting device detector +110V high-voltage division network module, a transmitting device detector +24V high-voltage division network module, a transmitting device detector +12V voltage division network module, a control box parameter detector power supply module +130V voltage division network module and a control box power supply module +220V high-voltage division network module; because the voltage output by the power supply module is up to +500V, in order to prevent the high voltage from being connected into the embedded PC104 computer and the data acquisition card in series and burning out the devices, the high voltage needs to be isolated, so that an AD202 photoelectric isolation module is adopted; therefore, the output end of the first switching switch is electrically connected with the high-voltage isolation circuit; because a high-voltage isolation amplifier can only isolate one path of signal, and the power module detection socket has multiple paths of high-voltage signals of +24V, +25V, +30V, +110V, +130V, +220V, +500V and the like, therefore, a CD4051 eight-choice selection switch is selected to isolate the input high voltage, and because the ground of the CD4051 is isolated from the ground of a PC104 computer or a data acquisition card, a TIL113 optocoupler is selected as an isolated selection control end, and the high-voltage isolation circuit is connected into the multifunctional data acquisition card; the control box parameter detector +5V voltage division network module, the control box parameter detector +15V voltage division network module, the control box parameter detector +12V voltage division network module, the single-group storage battery detector +30V voltage division network module, the control box parameter detector power module +130V voltage division module, the transmitting device detector +5V voltage division network module and the control box power module +5V voltage division network module are electrically connected with a second change-over switch; the output end of the second change-over switch is electrically connected with the emitter follower; the shooting follower is connected with a multifunctional data acquisition card; because the multifunctional data acquisition card only has 16 paths of input and the output voltage of the tested power supply module is up to 30 paths, a CD40511 eight-selection switch is selected, and the input voltage is subjected to time-sharing selection input; and the multi-path voltage division network module of the six groups of storage battery detectors is connected with a multifunctional data acquisition card.
Further, the connection cable is an important component of the connection system to each power module, and includes a cable connecting the tester with the following power modules: six sets of battery detector power module cables, control box parameter detector power module cables, single set of battery detector power module cables, control box power module cables and transmitting device inspection tester power module cables.
Compared with the prior art, the special power module detector for the military antitank missile can detect the technical indexes such as voltage, current, power, ripple voltage, precision, continuously adjustable voltage range, short-circuit protection function and the like of each tested power module; the system adopts a centralized measurement and control system with a computer module structure, realizes the automatic comprehensive test of the performances of various types of power supply modules, has the functions of performance test, system self-checking, safety protection, automatic adjustment, switching and the like, and is an creative breakthrough in the performance test of the portable antitank missile equipment of the army; the tester takes a computer as a core, comprehensively utilizes automatic testing, microelectronics, automatic control and photoelectric technology, does not need to be configured with any other general instrument and manual intervention, realizes comprehensive testing automation, and improves testing speed and precision; the embedded computer is used as a core, the PM511PF module structure is adopted for the centralized measurement and control system, the modules are scientifically and reasonably divided, and the comprehensiveness, adaptability and development of the system are solved; the tester adopts an open modularized design idea and structure, reasonably divides each module and data acquisition module, and adds different modules to form a missile power module testing system with a new train type; therefore, the system has good development.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a power module structure according to the present invention.
FIG. 3 is a schematic diagram of a series voltage divider circuit of the present invention.
FIG. 4 is a schematic circuit diagram of a voltage dividing conditioning circuit board according to the present invention.
Fig. 5 is a circuit diagram of the control box power module-220V high voltage divider network module and inverter connection of the present invention.
Fig. 6 is a circuit diagram of a first switch and high voltage isolation circuit connection of the present invention.
Fig. 7 is a circuit diagram of the ground isolation of the CD4051 and the PC104 computer of the present invention.
Fig. 8 is a circuit diagram of a second switch and a follower connection of the present invention.
Detailed Description
Example 1:
the special power module detector for the military antitank missile as shown in fig. 1 to 3 comprises an instrument case, a connecting cable, a power module 1, an embedded PC104 computer 2 and a multifunctional data acquisition card 3, wherein the power module 1 is arranged on the inner side of the instrument case and supplies power to the whole machine, the embedded PC104 computer 2 is arranged on the inner side of the instrument case, and the multifunctional data acquisition card 3 is arranged on the inner side of the instrument case and is communicated with the embedded PC104 computer; the multifunctional data acquisition card 3 is a PM511PF acquisition module, is a data acquisition board compatible with a PC104 bus, and forms a data acquisition, waveform analysis and processing system of the measurement and control system; the ART acquisition card is provided with an A/D converter and a D/A converter with 12Bit resolution, and provides 16 paths of single-ended or 8 paths of double-ended analog input channels and 4 paths of D/A output channels, wherein the input signal range of the A/D converter is +/-5V, +/-10V and 0-10V, and the input signal range of the D/A converter is 0-5V, 0-10V, +/-5V and +/-10V; 16 paths of switching value inputs, 16 paths of switching value outputs and can be powered on and cleared; the multifunctional data acquisition card 3 is in communication connection with a voltage division and conditioning circuit board 4; the voltage division conditioning circuit board 4 is in communication connection with a power module detection socket embedded on the front panel of the instrument case; the voltage division and conditioning circuit board 4 mainly has the functions of dividing the voltage output by an AFT07A, AFT07B, AFT C antitank missile control box power module, a control box parameter detector power module, a transmitting device detector power module, a single-group storage battery detector power module, six-group storage battery detector power module and the like to be reduced to-10V to +10V which is suitable for the input range of a data acquisition card, and then isolating at high voltage to prevent the data acquisition system from being damaged; because the voltage output by a power supply module is up to +500V, and the input of a general data acquisition card is at most typically-10V to +10V, the high voltages are required to be divided and reduced, so that the data acquisition card is suitable for the input range of the data acquisition card; the design principle of the voltage dividing circuit is to apply ohm law, and because the output voltages of the power supply modules are different and are in the range of +5V, +10V, +12V, +15V, +24V, +25V, +30V, +110V, +130V, +220V, +500V, 12V, -15V, -220V and the like, the serial voltage dividing principle is adopted, so that the R1 and RX voltage dividing values are between-10V and +10V; for high voltages 130V and 500V, the resistance power can meet the requirement by calculating the power of the voltage dividing resistor, namely if R1 takes 5m and rx takes 40K, the voltage dividing value is 4V, the current is 0.1mA at this time, the power consumed by the resistor R1 is p=i2=0.01×10-6×5×1o6=0.05W, and the common resistor is 1/8 w=0.125W, and for safety, three resistors are selected for series connection for R1 to reduce the power of each resistor; the device is communicated with the embedded PC104 computer 2, and is embedded in an LCD display screen 5, a touch screen 6, a keyboard 7 and a USB interface 8 on the front panel of the instrument case, wherein the LCD display screen 5 is used as instrument display, a 7.5-inch LCD color liquid crystal display is adopted, the touch screen adopts a resistance type touch screen as instrument operation, the type of a detected power supply module can be directly selected on an LCD color liquid crystal display picture by a finger, after the detection is started, the detection result is displayed in a Chinese character form by the display screen, and whether each power supply is correct or not is automatically judged; the power module 1 comprises a mains supply interface 11 arranged on the instrument case, a main power switch 12 electrically connected with the mains supply interface, a power module switch 13 and a first AC-DC module 14 which are connected in parallel with the output end of the main power switch, and a second AC-DC module 15 and an alternating current input power module 16 which are connected in parallel with the output end of the power module switch 13; and a direct current input power module 17 connected in parallel to the output end of the second AC-DC module 15; the main power switch 12 and the power module switch 13 are arranged on the front panel of the instrument case, and the first AC-DC module 14 is used as a subsequent step-up power supply interface; the direct current input power supply module is a computer power supply module; the alternating current input power supply module is an analog storage battery power supply module; the output end of the computer power supply module is provided with direct current +5V, +12V and-12V voltage interfaces which are used as power supplies of embedded computers, LCD display screens and the like, and the output end of the analog storage battery power supply module is provided with a 12.5V voltage interface; the simulated storage battery power supply module generates 12.5V voltage to replace the AFT07A storage battery and the AFT07C storage battery to be used as a detected AFT07A/B/C special power supply module for supplying power.
As shown in fig. 4, the voltage division conditioning circuit board 4 includes a conditioning circuit in communication with a multifunctional data acquisition card; the input end of the conditioning circuit is electrically connected with the voltage dividing and reducing network module; the voltage dividing and reducing network module is composed of a plurality of groups of resistor series voltage dividing circuits, and the resistor series voltage dividing circuits comprise a transmitting device detector +500V high voltage dividing network module, a transmitting device detector +110V high voltage dividing network module, a transmitting device detector +24V high voltage dividing network module, a transmitting device detector +12V voltage dividing network module, a control box reference detector power supply module +130V voltage dividing network module, a control box power supply module +220 high voltage dividing network module, a control box reference detector +5V voltage dividing network module, a control box reference detector +15V voltage dividing network module, a control box reference detector +12V voltage dividing network module, a single group storage battery detector +30V voltage dividing network module, a control box reference detector power supply module +130V voltage dividing module, a transmitting device detector +5V voltage dividing network module, a control box power supply module +5V voltage dividing network module and a plurality of storage battery detector six groups of voltage dividing network modules; as shown in fig. 5, the control box power module-220V high-voltage division network module is electrically connected to the 1:1 reverse operational amplifier circuit through a radio follower; the 1:1 reverse operational amplifier circuit is electrically connected to the input end of the first switch, for-220V voltage, namely voltage division and reduction are needed, high-voltage isolation is needed, and the input end of the high-voltage isolation is needed to be positive voltage, so that-220V is converted into positive voltage, the circuit is a control box power supply module-220V high-voltage division network module, voltage division is carried out by resistors R63, R64 and R65, and the input requirement of-10V to +10V of the multifunctional data acquisition card is met; after the partial pressure is finished, the power supply enters an emission follower U3, and the output of the emission follower U3 enters a 1:1 reverse operational amplifier circuit U4; the output end of the 1:1 reverse operational amplifier circuit U4 enters a multifunctional data acquisition card; the input end of the first switch is also respectively connected with a transmitting device detector +500V high-voltage division network module, a transmitting device detector +110V high-voltage division network module, a transmitting device detector +24V high-voltage division network module, a transmitting device detector +12V voltage division network module, a control box parameter detector power supply module +130V voltage division network module and a control box power supply module +220V high-voltage division network module; as shown in fig. 6, since the voltage output by the power module is up to +500V, in order to prevent the high voltage from being connected in series to the embedded PC104 computer and the data acquisition card, the high voltage needs to be isolated, so that an AD202 photoelectric isolation module is adopted; therefore, the output end of the first switching switch is electrically connected with the high-voltage isolation circuit; because a high-voltage isolation amplifier can only isolate one path of signal, and the power module detection socket has multiple paths of high-voltage signals of +24V, +25V, +30V, +110V, +130V, +220V, +500V and the like, therefore, a CD4051 eight-choice selection switch is selected to isolate the input high voltage, as shown in figure 7, because the ground of the CD4051 is isolated from the ground of a PC104 computer or a data acquisition card, a TIL113 optocoupler is selected as an isolated selection control end, and the high-voltage isolation circuit is connected into the multifunctional data acquisition card; the control box parameter detector +5V voltage division network module, the control box parameter detector +15V voltage division network module, the control box parameter detector +12V voltage division network module, the single-group storage battery detector +30V voltage division network module, the control box parameter detector power module +130V voltage division module, the transmitting device detector +5V voltage division network module and the control box power module +5V voltage division network module are electrically connected with a second change-over switch; as shown in fig. 8, the output end of the second change-over switch is electrically connected with the emitter follower; the shooting follower is connected with a multifunctional data acquisition card; because the multifunctional data acquisition card only has 16 paths of input and the output voltage of the tested power supply module is up to 30 paths, a CD40511 eight-selection switch is selected, and the input voltage is subjected to time-sharing selection input; and the multi-path voltage division network module of the six groups of storage battery detectors is connected with a multifunctional data acquisition card.
The connecting cable is an important component for connecting each power module of the system, and comprises a cable for connecting the tester with the following power modules: six sets of battery detector power module cables, control box parameter detector power module cables, single set of battery detector power module cables, control box power module cables and transmitting device inspection tester power module cables.
The special power module detector for the military antitank missile has the advantages that the PC104 computer can accurately acquire data at high speed, the acquisition is the same as ISA and PCI equipment, the AD conversion progress is tracked by using a sub-thread, and the data acquisition is an optimal scheme for keeping data continuous and uninterrupted; unlike ISA bus devices, however, PM511PF devices do not use dynamic pointers to synchronize AD conversion schedules here, because the dynamic pointer operation of ISA device ring memory pool is a kind of software synchronization, whereas PM511PF devices no longer have software synchronization, but are fully done automatically by hardware and drivers; in this way, continuous data collection is realized in a program mode, and software implementation is easy, but because the device usually works in a single-CPU multi-task environment, the scheduling switching among tasks is quite trivial, and especially when indicator lights, data or pop-up dialog boxes are displayed, the current thread can take a lot of time to process the graphic operations, so if the processing is improper, the data can not be collected continuously at high speed; for this reason, the data acquisition sub-thread is adopted to complete, and meanwhile, the thread is required to be an absolute worker thread, namely, the thread cannot have any graphic operations such as windows and the like in normal acquisition; when an indicator light, data or a pop-up dialog box appears, the thread cannot be blocked, and normal and continuous data acquisition is ensured; however, the window operation cannot be performed, and the problem can be solved by adopting a data processing sub-thread, namely a user interface thread, after a plurality of tests on how to display the acquired data on the screen; initially, the data processing thread does not do any work, but enters a sleep state under the action of a Win32API function WaitForSingleObject, at the moment, the CPU is not consumed for any time, so that other thread codes such as a data acquisition line and the like can be guaranteed to have sufficient operation opportunities, when the data acquisition thread acquires data with a specified length, the Win32API function SetEvent is used for sending a specified event message to the data processing thread, the data processing thread immediately resumes the operation state, and the data processing thread processes the batch of data rapidly, such as operations of calculating a measurement result, displaying the measurement data in a window, displaying a warning lamp, saving an operation result and the like; because the data acquisition thread continuously acquires data and the data processing thread is a non-worker thread, when the data acquisition thread is blocked by the display window operation such as measurement data, the data processing thread loses a section of data sent by the data acquisition thread, and therefore, the problem is avoided by adopting a design scheme of a primary buffer queue and a secondary buffer queue, namely, assuming that the data acquisition thread takes out 8K data from the equipment each time, a buffer queue is created, a two-dimensional array such as PADBBuffer [ Count ] [ DataLen ] is opened, the DataLen is regarded as the data length acquired by the data acquisition thread each time, and the Count is the number of members of the buffer queue; setting the number according to the size and the overall use condition of the physical memory of the general computer; set to 32, this buffer queue is effectively in the form of an array ADBuffer [32] [8192 ]; it is almost the same as a common buffer, such as a one-dimensional array, except that the two threads first fill and reference the data buffer pointed to by Index subscript to a segment of DataLen length by changing the value of the Count field, i.e., the value of this Index subscript; when the data acquisition thread acquires data for the first time after the AD component is initialized by the InitDeviceProAD or the InitDeviceIntAD, the index of the data acquisition thread is set to 0, namely the AD data is acquired by using a first buffer zone; after the acquisition is finished, a message is sent to a data processing thread, and a common variable segmentcount of the two threads is added with 1, then the ReadIndex is shifted to 1, and then data is acquired by a second buffer area; then adding 1 to the segmentcount until the ReadIndex is equal to 15, and then returning to the 0 position to restart; the data processing thread judges the number of buffers which are not processed because of being blocked when receiving the message each time, then processes the messages one by one, and finally subtracts the number of the buffers processed under the current event received from the segmentcount variable; therefore, even if the application program is suddenly busy, the data processing thread does not have time to process the incoming data, but the data acquisition thread can continuously buffer the data in the area due to the buffer function of the buffer area queue, and the buffer area can be designed to be larger, so that the time for displaying graphic data can be buffered, even if the data processing thread is blocked due to the occasional busy face of the system, the measured data is difficult to lose, and the system has a strong fault-tolerant processing function, and the problems of display operation and real-time data acquisition are solved.
The above embodiments are merely preferred embodiments of the present invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (2)
1. A special power module detector of a military antitank missile is characterized in that: the multifunctional data acquisition card comprises an instrument case, a connecting cable, a power module, an embedded PC104 computer and a multifunctional data acquisition card, wherein the power module is arranged on the inner side of the instrument case and supplies power to the whole machine, the embedded PC104 computer is arranged on the inner side of the instrument case, and the multifunctional data acquisition card is arranged on the inner side of the instrument case and is communicated with the embedded PC104 computer; the multifunctional data acquisition card is connected with a voltage division and conditioning circuit board through a card; the voltage division conditioning circuit board is in communication connection with a power module detection socket embedded on the front panel of the instrument case; the LCD display screen, the touch screen, the keyboard and the USB interface are embedded on the front panel of the instrument case; the power module comprises a mains supply interface arranged on the instrument case, a main power switch electrically connected with the mains supply interface, a power module switch and a first AC-DC module which are connected in parallel with the output end of the main power switch, and a second AC-DC module and an alternating current input power module which are connected in parallel with the output end of the power module switch; and the direct current input power supply module is connected in parallel with the output end of the second AC-DC module; the main power switch and the power module switch are arranged on the front panel of the instrument case;
the direct current input power supply module is a computer power supply module; the alternating current input power supply module is an analog storage battery power supply module; the output end of the computer power supply module is provided with direct current +5V, +12V and-12V voltage interfaces, and the output end of the analog storage battery power supply module is provided with a 12.5V voltage interface;
the partial pressure conditioning circuit board comprises a conditioning circuit which is communicated with the multifunctional data acquisition card; the input end of the conditioning circuit is electrically connected with the voltage dividing and reducing network module;
the voltage dividing and reducing network module is composed of a plurality of groups of resistor series voltage dividing circuits, and the resistor series voltage dividing circuits comprise a transmitting device detector +500V high voltage dividing network module, a transmitting device detector +110V high voltage dividing network module, a transmitting device detector +24V high voltage dividing network module, a transmitting device detector +12V voltage dividing network module, a control box reference detector power supply module +130V voltage dividing network module, a control box power supply module +220 high voltage dividing network module, a control box reference detector +5V voltage dividing network module, a control box reference detector +15V voltage dividing network module, a control box reference detector +12V voltage dividing network module, a single group storage battery detector +30V voltage dividing network module, a control box reference detector power supply module +130V voltage dividing module, a transmitting device detector +5V voltage dividing network module, a control box power supply module +5V voltage dividing network module and a plurality of storage battery detector six groups of voltage dividing network modules; the control box power supply module-220V high-voltage division network module is electrically connected to the 1:1 reverse operational amplifier circuit through a radio follower; the 1:1 reverse operational circuit is electrically connected to the input end of a first switch, and the input end of the first switch is also respectively connected with a transmitting device detector+500V high-voltage division network module, a transmitting device detector+110V high-voltage division network module, a transmitting device detector+24V high-voltage division network module, a transmitting device detector+12V voltage division network module, a control box parameter inspection instrument power module+130V voltage division network module and a control box power module+220 high-voltage division network module; the output end of the first switch is electrically connected with the high-voltage isolation circuit; the high-voltage isolation circuit is connected with a multifunctional data acquisition card; the control box parameter detector +5V voltage division network module, the control box parameter detector +15V voltage division network module, the control box parameter detector +12V voltage division network module, the single-group storage battery detector +30V voltage division network module, the control box parameter detector power module +130V voltage division module, the transmitting device detector +5V voltage division network module and the control box power module +5V voltage division network module are electrically connected with a second change-over switch; the output end of the second change-over switch is electrically connected with the emitter follower; the shooting follower is connected with a multifunctional data acquisition card; and the multi-path voltage division network module of the six groups of storage battery detectors is connected with a multifunctional data acquisition card.
2. The special power module detector for a military antitank missile of claim 1, wherein: the connecting cable comprises a cable for connecting the tester with the following power supply modules: six sets of battery detector power module cables, control box parameter detector power module cables, single set of battery detector power module cables, control box power module cables and transmitting device inspection tester power module cables.
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