CN213934189U

CN213934189U - Portable general frequency comprehensive control simulator

Info

Publication number: CN213934189U
Application number: CN202022652609.0U
Authority: CN
Inventors: 李阳; 胡宇罡; 王轲平; 畅玲; 程林锋; 冯强; 郑东峰; 张燕青; 李强; 郑元元
Original assignee: Xian Electronic Engineering Research Institute
Current assignee: Xian Electronic Engineering Research Institute
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-10
Anticipated expiration: 2030-11-16

Abstract

The invention relates to a portable universal frequency comprehensive control simulator, belonging to the field of radar product control and debugging. The intelligent power supply comprises a case, a control unit, a power supply module and an interface unit, wherein the control unit, the power supply module and a universal interface board are arranged in the case, panel interfaces are arranged on front and rear panels of the case, and the implementation mode is as follows: the internal power supply module is used for converting power supply from the outside into voltage required by the internal control unit; the control unit and the case panel are connected through the universal interface board to communicate with the tested equipment, and the three parts are integrated in the case, so that the portability and the safety of the debugging device are realized.

Description

Portable general frequency comprehensive control simulator

Technical Field

The invention relates to a portable universal frequency synthesis control simulator device, and belongs to the field of radar product control and debugging.

Background

In modern radars, a frequency synthesis system is taken as a vital part of the whole radar, and the performance of the frequency synthesis system directly affects the receiver, the transmitter, the signal position and other systems of the radar, so that high-quality debugging of frequency synthesis indexes is particularly important, and a frequency synthesis control simulator is an indispensable debugging device in a debugging link.

The radar frequency synthesis control simulator is used as an important debugging device for frequency synthesis and is mainly used for simulating a working command of a radar beacon or a real-time control machine to control the frequency synthesis, so that each module of the frequency synthesis is in a correct working state.

The existing frequency synthesis control simulator has a plurality of different versions, and adopts a single printed board, 26-bit keys on a manual control board send control instructions to a core device FPGA of the frequency synthesis simulator, and the control instructions are converted into various control signals of the frequency synthesis simulator through programs in the frequency synthesis simulator, so that the control of each module of the frequency synthesis simulator is realized. It has the following disadvantages: 1. the number of discrete components on the single printed board is large, the integration level is high, and the pin pitch of core devices is fine; the device is exposed for a long time in the using process, and the phenomena of short circuit and damage of the device are easily caused. The method brings great potential safety hazard to production debugging sites, and also does not meet the related requirements of lean production; 2. the various frequency synthesizers have different control functions, different interfaces and different irrigation software when using the control simulator, and are not universal; 3. the control simulator needs external power supply equipment for indoor debugging, and is inconvenient to carry and use during outdoor debugging.

The portable universal frequency comprehensive control simulator is a portable universal design which is carried out from the perspective of lean production on the basis of various conventional frequency comprehensive control simulators.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects and shortcomings of the existing frequency comprehensive control simulator: the printed board is exposed, so that potential safety hazards exist. The invention provides a novel portable universal frequency synthesis control simulator device, which is convenient to connect and suitable for frequency synthesis of a plurality of products, and a universal control interface is designed; and is convenient to carry to outdoor debugging test for use.

Technical scheme

A portable universal frequency integrated control simulator is characterized by comprising a universal interface board, a control simulator key, a radio frequency interface, a control unit, a case, a power interface and a power module, wherein the control unit, the power module and the universal interface board are arranged in the case, the control simulator key, the radio frequency interface and the control interface are positioned on a front panel of the case, the power interface is positioned on a rear panel of the case, the power module is used for converting power supply from the outside into voltage required by the control unit, the control unit and a front panel of the case are connected through the universal interface board to be communicated with tested equipment, and the three parts are integrated in the case, so that the portability and the safety of a debugging device are realized.

The technical scheme of the invention is further that: the control unit is integrated with an input signal driving module, a signal processing module, a radio frequency signal input driving module, a serial port communication module and an output signal driving module.

The technical scheme of the invention is further that: the case lifting handle is positioned on two sides of the case.

The technical scheme of the invention is further that: guide rails are arranged on two sides of the case, and the case handle can slide in the guide rails.

The technical scheme of the invention is further that: the chassis foot pad is positioned on the bottom surface of the chassis.

The technical scheme of the invention is further that: the number of the foot-pads is 4, and the foot-pads are distributed at the positions of 4 corners of the bottom surface.

Advantageous effects

Compared with the existing control simulator, the portable universal frequency comprehensive control simulator device provided by the invention has the beneficial effects that:

1. the integrated chassis is convenient to carry, and the potential safety hazard of damage of printed board devices is solved.

2. All communication interfaces are completely distributed on a panel of the chassis through a universal interface board, so that the use in debugging and testing processes is facilitated; aiming at the expansion of different control functions, corresponding software is only required to be filled in a universal interface of a connecting panel, and the universality of the frequency comprehensive control simulator is realized.

3. The portable universal frequency synthesis control simulator is internally integrated with a power supply module, a control unit and a universal interface board, can be directly externally connected with 220V/50Hz for power supply, and is very convenient to carry and use when going out.

Drawings

FIG. 1 is a block diagram of the system components

FIG. 2 is a schematic diagram of the system configuration

FIG. 3 is a schematic diagram of a portable universal frequency synthesizer control simulator

1-universal interface board, 2-control simulator key, 3-radio frequency interface, 4-cabinet pad, 5-control interface, 6-control unit, 7-cabinet handle, 8-cabinet, 9-power interface, 10-power module and 11-interface unit.

Detailed Description

The invention will now be further described with reference to the following examples and drawings:

according to the main problems to be solved, the following parts are needed for realizing the debugging device: 1. the portable universal frequency integrated control simulator is designed in an integrated mode; 2. the safety design of the portable universal frequency comprehensive control simulator is realized; 3. the portable universal frequency synthesis control simulator is designed in a universal way.

1. The integrated design of the portable universal frequency integrated control simulator:

the hardware circuit of the frequency synthesis control simulator mainly comprises three parts, namely an internal control unit, a power supply module and an interface unit. The internal control unit is used for controlling the processing work of signals and comprises receiving input control commands from the outside and outputting control commands sent to the outside; the power supply module is designed to convert the voltage of 220V/50Hz into the voltage used inside the device. The interface unit mainly comprises a universal interface board and a panel interface, and connects a product to be tested with an input/output interface of the frequency synthesis control simulator by integrating control signals.

According to the structural size and the functions of the three parts, a portable structure with the functions of carrying and supporting is designed, and the three parts are integrated.

2. The safety design of the portable universal frequency synthesis control simulator comprises the following steps:

the original state of the frequency synthesis control simulator is an independent printed board, in order to solve the potential safety hazard that a device pin is exposed and is easy to be short-circuited and damaged, a case is required to be designed outside the frequency synthesis control simulator, a key, a radio frequency interface and a control interface are designed on a case panel, and an input interface of a power supply is designed at the same time. Therefore, when the frequency synthesis control simulator is used, all control is carried out outside the case, and the printed board is completely protected, so that the safety problem of the control simulator is solved.

3. The general design of the portable general frequency synthesis control simulator comprises the following steps:

considering the current situation that the control simulator used for frequency synthesis debugging has multiple versions and the interface is not universal, universal design is necessary. The internal control unit selects a control panel with stronger function, the input control key is switched to the external case panel to receive the control command by designing a general-purpose interface board, and the control unit sends the output signal to the case panel through the general-purpose interface board according to the internal software. The interface board integrates input and output signals, two standard control interfaces and two radio frequency interfaces are designed on the panel of the case, the standard interfaces can carry out corresponding software casting according to different comprehensive communication protocols, and the universality of the control simulator is expanded.

As shown in fig. 2, the present invention includes a chassis, a control unit, a power module, and an interface unit (including a universal interface board and a panel interface), wherein the control unit, the power module, and the universal interface board are disposed inside the chassis, and the panel interface is disposed on the front and rear panels of the chassis, and the implementation manner of the present invention is: an input signal driving module, a signal processing module, a radio frequency signal input driving module, a serial port communication module and an output signal driving module are integrated on the control unit; the internal power supply module is used for converting power supply from the outside into voltage required by the internal control unit; the control unit and the case panel are connected through the universal interface board to communicate with the tested equipment, and the three parts are integrated in the case, so that the portability and the safety of the debugging device are realized.

The physical representation is shown in fig. 3, and the panel and the interface are realized as follows: the front panel and the rear panel are provided with corresponding control areas and interface areas, the control areas are composed of 26 control keys, and the purpose of inputting control commands is achieved by switching the on-off states of the 26 control keys; the interface area comprises 2 radio frequency interfaces and two control terminal interfaces. The radio frequency end interface is used for inputting and outputting radio frequency signals, and the control end interface is used for inputting and outputting control signals; the rear panel is provided with a power input interface and a power switch interface, the power input interface is communicated with an external power supply through a connecting power line so as to input a corresponding power supply to the internal power supply module, and the power switch interface is used for controlling the connection and disconnection of the power supply. The interfaces of the panel all adopt universal standard interfaces, the interfaces also comprise software programming interfaces of the control unit, control software with different versions can be mastered through the interfaces, and required output signals are selected to control different types of frequency synthesizers, so that the universality of various frequency synthesizers is realized.

The case is realized by the following steps: the case comprises three parts, namely a case body, a case handle and case foot pads. The case main body is used for mounting the control unit, the power supply module and all the connecting interfaces thereon; the case handle is arranged on the side part and the upper part of the case, and is provided with a guide rail device which can adjust the front and back positions of the handle and has an angle adjusting function; the chassis foot pad is arranged at the lower part of the chassis and has the function of supporting the chassis to ensure that a certain safety distance is reserved between the chassis and the working surface.

The use mode is as follows: placing the novel portable universal frequency synthesis control simulator and the equipment to be tested on a horizontal plane; inserting a power line into a power input interface of the control simulator to be communicated with a power supply, and ensuring that a power switch is in a closed state at the moment; connecting a signal source with the clock input of the novel portable control simulator through a radio frequency cable; the integrated communication port of the frequency to be measured is connected with an interface 1 of the novel portable control simulator through a control cable; turning on a power switch, and displaying a red state on a power switch indicator lamp at the moment; and according to a communication protocol command formulated in advance, switching by using a control switch of the front panel, wherein if the switch is dialed to an upper position, the color of the corresponding indicator light is green, and if the switch is dialed to a lower position, the color of the corresponding indicator light is colorless, and the internal control unit receives the input command, processes the input command and outputs a corresponding differential control signal to control the tested equipment. The interface 2 is a control function expansion interface and can realize the control of various frequency synthesizers.

Claims

1. A portable universal frequency integrated control simulator is characterized by comprising a universal interface board (1), a control simulator key (2), a radio frequency interface (3), a control interface (5), a control unit (6), a case (8), a power interface (9) and a power module (10), wherein the control unit (6), the power module (10) and the universal interface board (1) are arranged in the case (8), the control simulator key (2), the radio frequency interface (3) and the control interface (5) are positioned on a front panel of the case (8), the power interface (9) is positioned on a rear panel of the case, the power module (10) is used for converting power supply from the outside into voltage required by the control unit (6), the control unit (6) and a front panel of the case are connected through the universal interface board (1) to be communicated with a tested device, the three parts are integrated in the case, so that the portability and the safety of the debugging device are realized.

2. A portable universal frequency synthesis control simulator according to claim 1, characterized in that the control unit (6) is integrated with an input signal driving module, a signal processing module, a radio frequency signal input driving module, a serial communication module, and an output signal driving module.

3. A portable universal frequency synthesis control simulator according to claim 1, further comprising a case handle (7) located on both sides of the case (8).

4. A portable universal frequency synthesis control simulator according to claim 3, characterized in that the case (8) is provided with guide rails on both sides, and the case handle (7) can slide in the guide rails.

5. A portable universal frequency synthesis control simulator according to claim 1, characterized by further comprising a chassis foot (4) located on the bottom surface of the chassis (8).

6. A portable universal frequency integrated control simulator according to claim 5, wherein the number of said foot pads (4) is 4, and the foot pads are distributed at 4 corner positions on the bottom surface.