CN203746272U - Radio station simulated training system architecture - Google Patents

Radio station simulated training system architecture Download PDF

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Publication number
CN203746272U
CN203746272U CN201420115536.3U CN201420115536U CN203746272U CN 203746272 U CN203746272 U CN 203746272U CN 201420115536 U CN201420115536 U CN 201420115536U CN 203746272 U CN203746272 U CN 203746272U
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China
Prior art keywords
power
circuit
chip microcomputer
digital
scm
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Expired - Fee Related
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CN201420115536.3U
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Chinese (zh)
Inventor
严利华
张强
牛强军
赵辉
张涛
赵文俊
黄家成
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PLA AIR FORCE FIRST AERONAUTICAL COLLEGE
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PLA AIR FORCE FIRST AERONAUTICAL COLLEGE
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Publication of CN203746272U publication Critical patent/CN203746272U/en
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Abstract

The utility model discloses a radio station simulated training system architecture mainly composed of a microcomputer system, a signal conditioning board, a function signal generator, and a power system. The signal conditioning board comprises a single chip microcomputer system, a digital I/O circuit, a data acquiring circuit, a matrix switch circuit, an analog output circuit, and a power switch circuit, wherein the digital I/O circuit, the data acquiring circuit, the matrix switch circuit, the analog output circuit, and the power switch circuit are connected with the single chip microcomputer system. The microcomputer system is in communication connection with the single chip microcomputer system of the signal conditioning board via a RS-232 bus and in communication connection with function signal generator via a USB bus. The signal conditioning board and the output of the function signal generator are connected with a simulated actually-installed front panel interface circuit. The radio station simulated training system architecture may help to complete simulated training of a ultra-short wave radio station in a certain model, has advantages of low invested cost and a good training effect, and contributes to improvement of understanding of the operating principle of the ultra-short wave radio station and a trouble removing capability of students.

Description

Radio simulation training system framework
Technical field
The utility model relates to a kind of certain type radio simulation training system, particularly relates to a kind of radio simulation training system architecture design.
Background technology
Teaching, training equipment is a kind ofly can develop that trainee starts and the teaching equipment of the ability that beats one's brains, and its all operations were by analog radio, Presentation Function and phenomenon of the failure make student grasp more easily the various knowledge in radio station.At present, in army, equipment and the ultrashort wave radio set circuit complexity of using, with high costs, can improve training cost for training; And, in teaching and training process, if use use that physical device will affect electromagnetic environment, particularly air-ground ultrashort wave radio set around by the Communications And Navigation that directly affects course line and board a plane, flight is caused to potential safety hazard; In addition, the operation of mistake also likely causes the infringement of ultrashort wave radio set equipment etc.; Finally, if utilize actual radio station to train, the phenomenon of the failure that radio station in use occurs cannot be reappeared.And, in existing teaching and training, use the training of actual radio station, have directly perceived, be not easy to be understood, train cost high, disturb airline aircraft communication, fragile and cannot simulated failure phenomenon etc. problem.Therefore, in teaching practice, ultrashort wave radio set is difficult to be equipped with in a large number, and radio station exercise equipment is equipped with the not enough principal element that has become restriction training effect.
Summary of the invention
The utility model is not enough for prior art, provides a kind of design science reasonable, simple in structure, practical radio simulation training system framework.
The technical scheme that the utility model adopts:
A kind of radio simulation training system framework, mainly by microsystem, signal regulating panel, function signal generator and power-supply system, formed, described signal regulating panel comprises Single Chip Microcomputer (SCM) system and the digital I/O being connected with described Single Chip Microcomputer (SCM) system, data acquisition, matrix switch, simulation output and power switch circuit, described microsystem is connected with the Single Chip Microcomputer (SCM) system communication of signal regulating panel by RS-232 bus, and described microsystem is connected with the communication of described function signal generator by usb bus; Described signal regulating panel and function signal generator output connecting analog actual load front panel interface circuit.
Described radio simulation training system framework, power-supply system comprises AC/DC modular converter, Power Monitoring Unit and measurement of power loss circuit, AC power input is through AC/DC modular converter access Power Monitoring Unit, described Power Monitoring Unit one tunnel output is powered to signal regulating panel through isolation control circuit, and another road output connects measurement of power loss circuit through DC/DC modular converter.
Described measurement of power loss circuit comprises digital voltmeter, digital electronic ammeter, current sensor and power isolation module, described digital voltmeter, digital electronic ammeter connects the DC/DC modular converter output of power-supply system, the operating voltage of system and current drain are measured also to directly demonstration, described power isolation module is described digital voltmeter, digital electronic ammeter power supply, make digital voltmeter, the power supply of digital current and system power supply isolation, described current sensor (MAX471) output connects described Single Chip Microcomputer (SCM) system, by described Single Chip Microcomputer (SCM) system, measurement result is uploaded to microsystem by RS-232.
The beneficial effects of the utility model:
1, the utility model radio simulation training system framework, simple in structure, design science is reasonable, practical.Can assist the simulated training of certain type ultrashort wave radio set with lower cost, there is input cost low, can improve the advantage of training effect.
2, the utility model radio simulation training system framework, contribute to solve to use the training of actual radio station directly perceived, be not easy to be understood, train cost high, disturb airline aircraft communication, fragile and cannot simulated failure phenomenon etc. problem.It can make up the disappearance existing in existing teaching and training in actual applications, not only can simulate the signal of exporting under certain each duty of type ultrashort wave radio set, but also can realize the simulation of the various phenomena of the failure of ultrashort wave radio set, must contribute to improve student to the understanding of ultrashort wave radio set principle of work and troubleshooting ability.
3, the utility model radio simulation training system framework, adopts power supply supervisory circuit that input voltage polarity, fluctuation range are monitored, differentiated, thereby can effectively protect simulated training COG equipmentCOG.Described power supply supervisory circuit comprises DC voltage monitoring circuit and DC current monitoring circuit, after only having voltage (+27V/DC ± 10%) and electric current (<3A) normal, power supply is just passed to next stage, if voltage fluctuation is larger, power supply supervisory circuit can automatic cut-off power.In signal regulating panel, there is HFS, in order to prevent the impact of power supply on high-frequency signal, thus utilize isolation control circuit that signal regulating panel and electric power network are isolated, thus guarantee that signal regulating panel has relative independence.
4,the utility model radio simulation training system framework, signal content is abundant, and communication modes is various, powerful, has stronger practical value.
Accompanying drawing explanation
Fig. 1 is the utility model radio simulation training system architecture system composition frame chart.
Fig. 2 is that the utility model radio simulation training system framework power-supply system forms schematic diagram.
Fig. 3 is the utility model radio simulation training system framework measurement of power loss circuit theory diagrams.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, radio simulation training system framework is mainly comprised of microsystem, signal regulating panel, function signal generator and power-supply system, described signal regulating panel comprises Single Chip Microcomputer (SCM) system and the digital I/O being connected with described Single Chip Microcomputer (SCM) system, data acquisition, matrix switch, simulation output and power switch circuit, described microsystem is connected with the Single Chip Microcomputer (SCM) system communication of signal regulating panel by RS-232 bus, and described microsystem is connected with the communication of described function signal generator by usb bus; Described signal regulating panel and function signal generator output connecting analog actual load front panel interface circuit.
The radio simulation training system framework of the present embodiment, microsystem is mainly comprised of PC104, utilizes bussing technique to form the control core of simulated training actual load, is responsible for control and the management of whole system.For making system have stronger extendibility and higher reliability and antijamming capability, described microsystem is selected the PCM-2000 type industrial computer of Advantech company limited.
Described microsystem communicates by the Single Chip Microcomputer (SCM) system of RS-232 bus and signal regulating panel, controls other each several part circuit and completes simulation actual load output response and about collection and the processing of parameter, complete the fault simulation of ultrashort wave radio set.Signal regulating panel is put fixed and conditioning to the panel interface signal of simulation actual load under the control of microsystem, and wherein the effect of digital I/O, data acquisition, matrix switch, simulation output and power switch circuit is respectively:
Numeral I/O: the putting of panel interface switching value level that completes simulation actual load determined.
Data acquisition: the various simulating signals that gather power supply, internal system.
Matrix switch: signal regulating panel utilizes relay to build a matrix switch, is responsible for guiding and the control of various simulating signals, switching value signal trend.
Simulation output: signal regulating panel, by D/A conversion chip, can be exported various analog signalses.
Power switch: the break-make of controlling each several part circuit power.
Function signal generator produces the signals such as audio frequency, carrier wave, amplitude modulation, frequency modulation under the control of microsystem, for simulating radio frequency and the audio frequency output of ultrashort wave radio set.Function signal generator produces frequency and the characteristic of signal and is controlled by usb bus by microsystem.
Embodiment 2
Referring to Fig. 1, Fig. 2, the radio simulation training system framework of the present embodiment, as different from Example 1: described power-supply system comprises AC/DC modular converter, Power Monitoring Unit and measurement of power loss circuit, AC power input is through AC/DC modular converter access Power Monitoring Unit, described Power Monitoring Unit one tunnel output is powered to signal regulating panel through isolation control circuit, and another road output connects measurement of power loss circuit through DC/DC modular converter.
As shown in Figure 2.Internal system adopts secondary power supply, comprise~220V/50Hz of the input of power supply power supply, standby+27V power supply.Wherein standby+27V power supply is inputted from outside when internal electric source fault.Power supply supervisory circuit is right+and 27V power supply measures, and measure after normal and be input to again next stage circuit.After DC/DC conversion and isolated controlling, be input to circuit system and signal measurement unit.
Power supply supervisory circuit in power-supply system is mainly used to input voltage polarity, fluctuation range to monitor, differentiate, thus protection simulated training actual load.Described power supply supervisory circuit comprises DC voltage monitoring circuit and DC current monitoring circuit, after only having voltage (+27V/DC ± 10%) and electric current (<3A) normal, power supply is just passed to next stage, if voltage fluctuation is larger, power supply supervisory circuit can automatic cut-off power.Because there is HFS in signal regulating panel, therefore, in order to prevent the impact of power supply on high-frequency signal, utilizes isolation control circuit that signal regulating panel and electric power network are isolated, thereby guarantee that signal regulating panel has relative independence.
Embodiment 3
Referring to Fig. 1~Fig. 3, the radio simulation training system framework of the present embodiment, the difference of itself and embodiment 1 and embodiment 2 is: the measurement of power loss circuit of employing as shown in Figure 3, described measurement of power loss circuit comprises digital voltmeter, digital electronic ammeter, current sensor and power isolation module, and described digital voltmeter, digital electronic ammeter connect the DC/DC modular converter output (operating voltage of system and current drain are measured also to directly demonstration) of power-supply system.Power isolation module is described digital voltmeter, digital electronic ammeter power supply, make power supply and the system power supply isolation of digital voltmeter, digital current, current sensor (MAX471) output connects described Single Chip Microcomputer (SCM) system, by described Single Chip Microcomputer (SCM) system, measurement result is uploaded to microsystem by RS-232.
Referring to Fig. 3, described measurement of power loss circuit is comprised of digital voltmeter (XL5135V-4), digital electronic ammeter (XL5135A-5), current sensor (MAX471) and power isolation module (NR5S5/100) etc., is responsible for the voltage and current that measuring system consumes.Measurement of power loss circuit is under the control of state control circuit, to provide+12V ± 5% of test resource DC voltage.
The operating voltage of digital voltmeter, the direct display system of digital electronic ammeter and current drain; Current sensor is measured the operating voltage of system and current drain by A/D sample circuit (A/D H0, A/D H3), measurement result is uploaded to microsystem by RS-232, then measurement result is presented in microcomputer virtual panel, also measurement result is kept in database simultaneously.
The utility model radio simulation training system framework, guidance panel can embody the crosslinked relation between ultrashort wave radio set modules intuitively, really, can effectively improve training effect.Single Chip Microcomputer (SCM) system sends according to microsystem the duty that order changes simulated training actual load, changes the signal of each interface output of simulated training actual load front panel, thus the various phenomena of the failure of analog radio.Meanwhile, the various parameters that collect are sent to microsystem by RS-232 bus.

Claims (3)

1. a radio simulation training system framework, mainly by microsystem, signal regulating panel, function signal generator and power-supply system, formed, described signal regulating panel comprises Single Chip Microcomputer (SCM) system and the digital I/O being connected with described Single Chip Microcomputer (SCM) system, data acquisition, matrix switch, simulation output and power switch circuit, it is characterized in that: described microsystem is connected with the Single Chip Microcomputer (SCM) system communication of signal regulating panel by RS-232 bus, described microsystem is connected with the communication of described function signal generator by usb bus; Described signal regulating panel and function signal generator output connecting analog actual load front panel interface circuit.
2. radio simulation training system framework according to claim 1, it is characterized in that: described power-supply system comprises AC/DC modular converter, Power Monitoring Unit and measurement of power loss circuit, AC power input is through AC/DC modular converter access Power Monitoring Unit, described Power Monitoring Unit one tunnel output is powered to signal regulating panel through isolation control circuit, and another road output connects measurement of power loss circuit through DC/DC modular converter.
3. radio simulation training system framework according to claim 2, it is characterized in that: described measurement of power loss circuit comprises digital voltmeter, digital electronic ammeter, current sensor and power isolation module, described digital voltmeter, digital electronic ammeter connects the DC/DC modular converter output of power-supply system, measure also operating voltage and the electric current of display power supply system, described power isolation module is described digital voltmeter, digital electronic ammeter power supply, described current sensor output connects described Single Chip Microcomputer (SCM) system, by described Single Chip Microcomputer (SCM) system, measurement result is uploaded to microsystem by RS-232.
CN201420115536.3U 2014-03-14 2014-03-14 Radio station simulated training system architecture Expired - Fee Related CN203746272U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103915004A (en) * 2014-03-14 2014-07-09 中国人民解放军空军第一航空学院 Aircraft station simulation training practical operation system
CN107360529A (en) * 2017-06-22 2017-11-17 哈尔滨飞机工业集团有限责任公司 A kind of radio station voice test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103915004A (en) * 2014-03-14 2014-07-09 中国人民解放军空军第一航空学院 Aircraft station simulation training practical operation system
CN107360529A (en) * 2017-06-22 2017-11-17 哈尔滨飞机工业集团有限责任公司 A kind of radio station voice test device

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