CN202145230U - Signal detection and control system of radar receiver system - Google Patents

Abstract

The utility model relates to a signal detection and a control system of a radar receiver system, comprising a first micro-control unit, a second micro-control unit, a complex programmable logic device, an LCD and a keyboard. The complex programmable logic device is respectively connected with the first micro-control unit, the second micro-control unit and an input and output signal end for two way signal transmission. The first micro-control unit is connected with the keyboard; the second micro-control unit is connected with the LCD; and the first micro-control unit is connected with the second micro-control unit for two way signal transmission. According to the utility model, the advantages such as strong test function, high automation degree and strong system expansibility are possessed.

Description

The input of radar receiver system and control system

Technical field

The utility model belongs to the radar receiving system, the input and the control system of particularly a kind of radar receiver system.

Background technology

The input of radar receiver system and control system are used for can satisfying task needs such as quick repairing, equipment overhaul to functions such as the debugging of radar receiver independence, fault isolation, remote controls.

In to certain model radar receiver system overhaul debug process, find; The importation input is numerous and diverse; Means are few; Urgent need development and design one cover is used for repairing the Detection & Controling to input/output signal in the extension set debugging to the system that this model radar receiver system importation signal carries out Detection & Controling, and in machine debugging, the importation system is carried out isolating fast, other subsystem being carried out fault isolation.Therefore, develop the maintenance efficiency that this cover system will improve this model radar receiver system greatly, and in repairing rapid fault location, repair and repairing efficient has very important practical sense improving.

The input and the control system of radar receiver system are with high content of technology, applied range.To the structure and the principle of work of radar receiver, and the signal relation between radar receiver and control and monitor console, pulse pressure counter-jamming extension set, the signal Processing extension set anatomized research, finally formulated rational solution.

Summary of the invention

The task of the utility model provides the input and the control system of a kind of radar receiver system, and it has overcome the difficulty of prior art, and a kind of test function is strong, automaticity is high and system extension property is strong input and control system are provided.

The technical solution of the utility model is following:

The input and the control system of a kind of radar receiver system comprise:

First micro-control unit (MCU1), second micro-control unit (MCU2), CPLD (CPLD), LCD (LCD) and keyboard;

Said CPLD (CPLD) connects first micro-control unit (MCU1), second micro-control unit (MCU2) and input/output signal end, transmitted in both directions signal respectively;

Said first micro-control unit (MCU1) connects keyboard, and second micro-control unit (MCU2) connects LCD (LCD);

Said first micro-control unit (MCU1) connects second micro-control unit (MCU2), transmitted in both directions signal.

The utility model makes it compared with prior art owing to adopted above technical scheme, and the input and the control system of the radar receiver system of the utility model have the following advantages:

Test function is strong: the input of certain model radar receiver system and control system can realize multiple parameters such as 8 frequency fault-signals of this model radar receiver, frequency source fault-signal, driving source fault-signal, A channel fault-signal, B channel failure signal, service frequency signal are gathered and indicating status; And generation frequency control signal; The total clear signal of system, STC control signal and this control signal of remote control are carried out State Control to receiver.

Automaticity is high: the input of certain model radar receiver system and control system provide friendly man-machine interface; The input of radar receiver system and the automatic operation control of control system have been realized easily; And can and show output to the automatic fault diagnosis location; Easy to operate, greatly reduce professional requirement to the user.

System extension property is strong: the input and the control system extendability of certain model radar receiver system are strong.

Description of drawings

Fig. 1 is input and the system framework figure of control system of a kind of radar receiver system of the utility model.

Fig. 2 is input and the system works schematic diagram of control system of a kind of radar receiver system of the utility model.

Fig. 3 is the power unit structural drawing in the utility model.

Reference numeral:

MCU1 is first micro-control unit, and MCU2 is second micro-control unit, and CPLD is a CPLD, and LCD is a LCD.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.

Referring to Fig. 1, the utility model provides the input and the control system of a kind of radar receiver system, mainly is made up of the first micro-control unit MCU1, the second micro-control unit MCU2, complex programmable logic device (CPLD), LCD LCD and keyboard.

Complex programmable logic device (CPLD) connects the first micro-control unit MCU1, the second micro-control unit MCU2 and input/output signal end, transmitted in both directions signal respectively.The first micro-control unit MCU1 connects keyboard, and the second micro-control unit MCU2 connects LCD LCD.The first micro-control unit MCU1 connects the second micro-control unit MCU2, transmitted in both directions signal.

The utility model has been realized following function at hardware aspect.

(a) the signal testing control interface of current each model radar receiver has almost been contained in the system testing interface section.

(b) only need suitable increase chip and programming can satisfy the test of other subsystems such as signal Processing, pulse pressure, ripple control, control requirement.

(c) hardware circuit module design adopts double mcu to realize control, display circuit part, and carries out logical transition and signals collecting, controls output through CPLD, makes things convenient for the hardware components function expansion of system.

The functional requirement of system: the input and the control system of certain model radar receiver system have System self-test; Test and failure judgement information; Duty is indicated, and it is always clear to carry out frequency control, tolerance narrow control and system, the importation height is put into the function of capable STC control.

Whether the self check of system: System self-test mainly is the state that detects native system and power supply, and for example whether system reset is good, program-controlled etc.System self-test is accomplished by system automatically, checks under the intact situation at whole peripheral hardwares, the formal control flow that detects of being allowed for access.

Test and failure judgement information: to the detection of the frequency fault of certain model radar receiver system, frequency source fault, driving source fault, A/B channel failure.

Duty is indicated: the Frequency point to being worked is indicated; The indication of this machine remote control duty; The indication of work A/B passage.

It is always clear to carry out frequency control, narrow control of tolerance and system: the frequency source to certain model radar receiver system is controlled, the frequency of operation point that selection needs; To extending the deadline narrow control, the service aisle that selection needs; Can always reset clearly to system.

The importation height is put into capable STC control: the height to the importation of certain model radar receiver system is put capable STC control, the decay of control signal into.

The technical performance index of system: system can gather and indicating status 8 frequency fault-signals of certain model radar receiver, frequency source fault-signal, driving source fault-signal, A channel fault-signal, B channel failure signal, service frequency signal; And generation frequency control signal; The total clear signal of system, STC control signal and distant control signal are carried out State Control to receiver.

The system framework and the principle of work of the utility model are as shown in Figure 1, and this system mainly is made up of MCU1, MCU2, CPLD, keyboard, five parts of LCD.

The principle of work of this system is: through matrix keyboard control signal is selected, behind MCU and CPLD algorithm, through I/O receiver is carried out signal controlling, this control signal shows on LCD simultaneously; Through I/O the receiver status signal is gathered simultaneously, behind MCU and CPLD algorithm, the status information that is collected is shown on the LCD liquid crystal.

Referring to Fig. 2, represented the The Hardware Design principle among the figure.Hardware components comprises: power supply, MCU (MCU1 and MCU2), CPLD, keyboard, LCD.Whole hardware system is made up of power supply, reset circuit, program download circuit, single chip circuit, CPLD circuit, matrix keyboard, LCD liquid crystal and I/O interface eight big modules.

Referring to Fig. 3, shown power unit among the figure.The total system power supply has unified 5V AC/DC Switching Power Supply power supply, and its range of current is that 0-1.2A, rated power are 5W, and Ripple Noise is 100mVp-p, and precision is ± 2.0%.

In sum, the input of the radar receiver system of the utility model and control system have advantages such as test function is strong, automaticity is high, system extension property is strong.

Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for explaining the utility model; And be not with the qualification of doing the utility model, as long as in the connotation scope of the utility model, all will drop in the scope of the utility model claim the variation of the foregoing description, modification etc.

Claims (1)

1. the input of a radar receiver system and control system is characterized in that, comprising:

First micro-control unit (MCU1), second micro-control unit (MCU2), CPLD (CPLD), LCD (LCD) and keyboard;

Said CPLD (CPLD) connects first micro-control unit (MCU1), second micro-control unit (MCU2) and input/output signal end, transmitted in both directions signal respectively;

Said first micro-control unit (MCU1) connects keyboard, and second micro-control unit (MCU2) connects LCD (LCD);

Said first micro-control unit (MCU1) connects second micro-control unit (MCU2), transmitted in both directions signal.

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