CN209860880U - Radio frequency switch control device with serial port communication function - Google Patents

Abstract

The utility model discloses a radio frequency switch controlling means with serial ports communication function, include: the communication component is connected with the radio frequency switch and comprises at least one acquisition card and a relay, the acquisition card comprises at least one acquisition card interface used for receiving external input signals, and the relay is connected with the radio frequency switch in series. The control assembly is connected with the communication assembly, and when at least one acquisition card interface is in a signal disconnection state, the relay is controlled to be disconnected so as to stop the target equipment. The control device can control the radio frequency switch quickly and timely by utilizing the control assembly according to the change of an external input signal, effectively protects target equipment in control connection with the radio frequency switch, can prolong the service life of the equipment, improves the reliability of the equipment and optimizes user experience.

Description

Radio frequency switch control device with serial port communication function

Technical Field

The utility model relates to a radio frequency switch technical field, in particular to radio frequency switch controlling means with serial ports communication function.

Background

In recent decades, microwave radio frequency technology has been rapidly developed and gradually applied to various fields such as scientific research, military, industry and the like. The on-off of the microwave signal is controlled by the radio frequency switch, so the radio frequency switch is an important device for controlling the microwave signal, and the property and the quality of the radio frequency switch directly influence the sensitivity and the reliability of an automatic control system.

In the existing circuit of the radio frequency switch control device, the radio frequency switch is often controlled by adopting a mode that a control system and an identification system work separately, however, the control mode of the separate work often has certain time delay, so that the control on the radio frequency switch is not timely enough, and further the damage of equipment is easily caused, thereby not only seriously affecting the working efficiency of a user, but also bringing serious economic loss to the user. Namely, the existing radio frequency switch control device has poor circuit reliability and poor control real-time performance, and greatly reduces the use experience of users.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, an object of the utility model is to provide a radio frequency switch controlling means with serial ports communication function, this controlling means can be according to the quick control radio frequency switch of input signal's difference, effectual protection target device.

In order to achieve the above object, the present invention provides a radio frequency switch control device with serial port communication function, which comprises a radio frequency switch for controlling the operation of a target device; the communication component is connected with the radio frequency switch, the communication component comprises at least one acquisition card and a relay, the acquisition card comprises at least one acquisition card interface for receiving an external input signal, and the relay is connected with the radio frequency switch in series; and the control component is connected with the communication component and controls the relay to be disconnected when the at least one acquisition card interface is in a signal disconnection state so as to stop the target equipment from working.

According to the utility model discloses a radio frequency switch controlling means with serial ports communication function, the break-make of control relay that can be quick, indirect control radio frequency switch again, the effectual target equipment that has protected prevents because on-off control's untimely damage often, improve equipment's effective service life, and structural design is simple easily realizes, and the reliability is high, convenient to use.

Furthermore, the communication assembly further comprises a signal conversion module and at least one communication interface for receiving instructions of the upper computer, wherein the signal conversion module is respectively connected with the control assembly and the at least one acquisition card.

Further, the radio frequency switch comprises a radio frequency COM end for receiving a radio frequency signal, an RF1 end, a radio frequency absorber connected with the RF1 end, an RF2 end, a radio frequency signal receiver connected with the RF2 end and a TTL signal input port connected with the relay in series.

Further, the TTL signal input port is connected to a pull-up resistor.

Further, the control assembly comprises a processor, and a reset button and an over-power protection button which are respectively connected with the processor.

Further, the control device further includes:

and the power supply conversion module is respectively connected with the communication assembly, the radio frequency switch and the control assembly so as to respectively supply power to the communication assembly, the radio frequency switch and the control assembly.

Further, the relay is a serial port relay.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a radio frequency switch control device with a serial port communication function according to an embodiment of the present invention.

Description of reference numerals:

the control device (100) is controlled such that,

the radio frequency switch 1, a radio frequency COM terminal 11, an RF1 terminal 12, a radio frequency sink 13, an RF2 terminal 14, a radio frequency signal receiver 15, a TTL signal input port 16, a pull-up resistor 17,

a communication component 2, an acquisition card 21, an acquisition card interface 201, a relay 22, a communication interface 202, an upper computer 23, a PC host 24,

the control unit 3, the processor 31, the reset button 32, the over-power protection button 33,

the external input signal 4 is applied to the device,

the signal conversion module (5) is provided with a signal conversion module,

a power supply conversion module 6 is arranged on the base,

a TTL signal generator 7.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following describes a radio frequency switch control device with a serial port communication function according to an embodiment of the present invention with reference to the drawings.

Fig. 1 is a schematic structural diagram of a radio frequency switch control device with a serial port communication function according to an embodiment of the present invention.

As shown in fig. 1, the rf switch control device 100 with a serial port communication function may include: radio frequency switch 1, communication component 2 and control component 3.

The radio frequency switch 1 is used for controlling the target device to work. The communication component 2 is connected with the radio frequency switch 1, the communication component 2 comprises at least one acquisition card 21 and a relay 22, the acquisition card 21 comprises at least one acquisition card interface 201 for receiving the external input signal 4, and the relay 22 is connected with the radio frequency switch 1 in series. The control component 3 is connected with the communication component 2, and controls the relay 22 to be disconnected when at least one acquisition card interface 201 is in a signal disconnection state, so as to stop the operation of the target equipment. The utility model discloses controlling means 100 can be according to the quick timely radio frequency switch of change of external input signal control, the effectual target device that has protected, effective service life that can improve equipment, improve equipment's reliability optimizes user experience.

It will be appreciated that the communication component 2 collects the external input signals 4 via the acquisition card interface 201 and stores them in a given address. The control component 3 is connected with the communication component 2, can identify the external input signal 4 acquired by the acquisition card 21 in the communication component 2, and can send out a corresponding control instruction according to the change of the external input signal 4. It should be noted that the control component 3 can directly control the relay 22 according to the external input signal 4, and indirectly control the rf switch 1 through the relay 22, and then the rf switch 1 controls the target device to operate, so that the external input signal 4 can also be understood as a control signal of the target device.

Specifically, when the control component 3 recognizes that the external input signal 4 on the acquisition card 21 is changed from on to off, the control component immediately sends an instruction to control the relay 22 on the communication component 2 to be off, and the radio frequency switch 1 is connected in series with the relay 22, so that the trend of the radio frequency switch 1 can be indirectly controlled by controlling the relay 22, and the purpose of protecting the target device is achieved. The utility model discloses controlling means 100 can be through the real-time external input signal 4 of gathering of communication subassembly, through the timely change of discerning external input signal 4 of control assembly, thereby timely control relay disconnection when external input signal 4 breaks off, with indirect control radio frequency switch 1, avoid leading to the condition that equipment damaged because of control radio frequency switch 1 control is untimely, improve the real-time and the reliability of control, and then the life of extension equipment, promote user experience.

Optionally, in an embodiment of the present invention, the communication component 2 further includes a signal conversion module 5 and at least one communication interface 202 for receiving an instruction of the upper computer 23, wherein the signal conversion module 5 is connected to the control component 3 and the at least one acquisition card 21, respectively.

It can be understood that, because the signal transmission modes adopted by the communication component 2 and the control component 3 are not consistent, the signal conversion module 5 is required to convert the signal, so that the signal transmission modes are consistent, and the communication component 2 and the control component 3 can normally communicate. The signal conversion module 5 is connected with at least one acquisition card 21 and the control component 3, the control component 3 sends an inquiry instruction all the time, and the inquiry instruction is sent to the communication component 2 after being converted by the signal conversion module 5 so as to inquire and identify the acquired external input signal 4 in real time, so that when the external input signal 4 changes, if the external input signal 4 is interrupted, the control component 3 immediately sends a control instruction to control the relay 22 to be disconnected, and because the radio frequency switch 1 is connected with the relay 22 in series, the state of the radio frequency switch 1 can be controlled through the state of the relay 22.

Further, the communication assembly 2 further comprises at least one communication interface 202, the communication interface 202 is used for receiving an instruction sent by the upper computer 23, and the upper computer 23 can directly perform on-off control on the relay 22 on the communication assembly 2, so that a user can control a target device through the upper computer 23, and certainly, secondary development can also be performed on the control device 100 on the upper computer 23, and operation of the user is facilitated. In addition, the host computer 23 can receive the instruction that the PC host computer 24 sent to directly carry out on-off control to relay 22 according to this instruction, and PC host computer 24 can carry out remote control to host computer 23, thereby convenience of customers remote control equipment promotes user and uses experience.

Optionally, in an embodiment of the present invention, the radio frequency switch 1 includes a radio frequency COM terminal 11 for receiving a radio frequency signal, an RF1 terminal 12, a radio frequency sink 13 connected to the RF1 terminal 12, an RF2 terminal 14, a radio frequency signal receiver 15 connected to the RF2 terminal 14, and a TTL signal input port 16 connected in series with the relay 22.

It can be understood that the radio frequency COM terminal 11 serves as a signal input terminal, and is mainly used for inputting radio frequency signals; the RF1 terminal 12 and the RF2 terminal 14 can be both used as signal output terminals, and are mainly used for outputting radio frequency signals, for example, the radio frequency signals input from the radio frequency COM terminal 11 can be output from the RF1 terminal 12 or the RF2 terminal 14. A TTL signal input terminal 16 disposed on the RF switch 1 is connected in series with the relay 22, and the state of the TTL signal determines the output direction of the RF signal in the RF switch 1, specifically, if the TTL signal is at a low level, the RF output signal is output from the RF1 terminal 12; if the TTL signal is at a high level, the RF output signal is output from the RF2 terminal 14; conversely, if the TTL signal is at the high level, the RF output signal is output from the RF1 terminal 12; then the RF output signal is output by the RF2 terminal 14 when the TTL signal is low. Of course, different devices may be connected at the RF1 terminal 12 and the RF2 terminal 14 according to the installation and requirements of the user for the devices, and are not particularly limited herein. In the embodiment of the present invention, a radio frequency absorber 13 is connected to the RF1 end 12 for absorbing the radio frequency signal outputted from the RF1 end 12; a radio frequency signal receiver 15 is connected at the RF2 terminal 14 for receiving the radio frequency signal output from the RF2 terminal 14.

Relay 22 and TTL signal input part 16 establish ties, the embodiment of the utility model provides a can be through the TTL signal that control TTL input port 16 received, control radio frequency switch 1's the trend of radio frequency output signal to can make RF1 end 12 and RF2 end 14 on the radio frequency switch 1 handle radio frequency output signal. That is to say, the embodiment of the utility model provides a can control the TTL signal of TTL signal input port 16 input through relay 22, realize relay 22 to radio frequency switch 1's control.

Optionally, in an embodiment of the present invention, the TTL signal input port 16 is connected to a pull-up resistor 17.

It can be understood that, by setting the pull-up resistor 17 at the TTL signal input port 16, the TTL signal can be pulled up to achieve the purpose of stably controlling the output direction of the output signal of the radio frequency switch 1, thereby effectively ensuring the control effect, and meanwhile, the current limiting function can be also performed, so that not only the normal operation of the radio frequency switch 1 can be ensured, but also a certain protection function can be performed on the radio frequency signal.

Optionally, in an embodiment of the present invention, the control component 3 includes a processor 31, a reset button 32 and an over-power protection button 33 respectively connected to the processor 31.

It can be understood that the processor 31 can recognize the external input signal 4 acquired on the acquisition card 21 of the communication component 2, and can issue a control command to control the relay 22 on the communication component 2, so as to indirectly control the radio frequency switch 1, and under the condition that the external input signal 4 is in normal communication, the processor 31 does not issue the control command to the relay 22, and only queries and monitors the external input signal 4 acquired on the acquisition card 21. The processor 31 may be a single chip microcomputer, for example, an STC89C52 single chip microcomputer, and a person skilled in the art may select a specific model of the processor 31 according to an actual situation, which is not limited herein.

Further, any two idle pins of the processor 31 are programmed, and a reset button 32 and an over-power protection button 33 are connected and arranged, after the processor 31 controls the relay 22, a user checks each function and module of the device, and when it is determined that each module can operate again, the user can press the reset button 32 to restore the device. When detecting external input signal disconnection, if treater 31 fails in time to send out instruction control relay 22 disconnection, treater 31 can not in time control radio frequency switch 1 promptly, for avoiding in time leading to the condition that equipment damaged because of control radio frequency switch 1 control, the embodiment of the utility model provides a when treater 31 trouble, through the timely control relay 22 disconnection of overpower protection button 33 to protective apparatus safety. By controlling the reset button 32 and the overpower protection button 33, the control of the user on the equipment can be improved, and a plurality of modes are added to the control on the equipment, so that the control can be timely carried out when the machine has errors or program instructions have errors, the control modes of the equipment are added, the safety of the equipment is protected, and the service life of the equipment is prolonged.

Optionally, in an embodiment of the present invention, the power conversion module 6 is further included, and the power conversion module 6 is connected to the communication component 2, the radio frequency switch 1 and the control component 3 respectively, so as to supply power to the communication component 2, the radio frequency switch 1 and the control component 3 respectively.

It can be understood that the power supplies of the modules are different, some modules need high-voltage alternating current, some modules need low-voltage direct current, and the power conversion module 6 can provide different power supplies for the modules to ensure that the modules can normally work, so that the whole device can normally work. Optionally, in an embodiment of the present invention, the relay 22 is a serial relay 22.

It can be understood that one end of the serial relay 22 is connected in series with the TTL input port of the rf switch 1, and the other end is connected in series with the TTL signal generator 7, in other words, the serial relay 22, the TTL input port and the TTL signal generator 7 are connected in series, and the relay 22 may be a serial relay, which not only facilitates the connection of the relay 22, but also facilitates the encapsulation of the acquisition card 21 and the relay 22 by the communication component 2.

The following is a detailed explanation of the working principle of the radio frequency switch control device 100 with serial port communication function of the present invention.

As shown in fig. 1, firstly, at least one acquisition card 21 acquires the external input signal 4, and at the same time, the processor 31 always performs inquiry monitoring on the signal acquired on the acquisition card 21, and when the external input signal 4 changes from a path to an open circuit, the processor 31 sends an instruction to control the serial relay 22 to change states, wherein the communication between the processor 31 and the communication component 2 can be converted by the signal conversion module 5. The serial relay 22, the TTL signal input port 16, and the TTL signal generator 7 are connected in series, and thus, a change in the state of the serial relay 22 may cause a change in the TTL signal. The direction of the output signal of the RF switch 1 is controlled by the TTL signal, so that the change of the state of the serial relay 22 can change the output direction of the output signal of the RF switch 1, thereby protecting the RF signal receiver 15 connected to the RF1 terminal 12. The host computer 23 is connected with the communication assembly 2, and the host computer 23 can directly control the on-off state of the relay 22 on the communication assembly 2, and the PC host computer 24 can be used for remotely controlling the host computer 23 by matching the PC host computer 24 with the host computer 23, namely, the host computer 23 can be operated to indirectly control the radio frequency switch 1 through the PC host computer 24. The control component 3 comprises a reset button 32 and an over-power protection button 33, the reset button 32 can enable the radio frequency switch 1 to resume working after being controlled, and the over-power protection button 33 can carry out emergency control on the radio frequency switch 1, so that target equipment is fully protected from being damaged.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (7)

1. A radio frequency switch control device with a serial port communication function is characterized by comprising:

a radio frequency switch for controlling the target device to work;

the communication component is connected with the radio frequency switch, the communication component comprises at least one acquisition card and a relay, the acquisition card comprises at least one acquisition card interface for receiving an external input signal, and the relay is connected with the radio frequency switch in series; and

and the control component is connected with the communication component and controls the relay to be disconnected when the at least one acquisition card interface is in a signal disconnection state so as to stop the target equipment from working.

2. The control device according to claim 1, wherein the communication module further comprises a signal conversion module and at least one communication interface for receiving instructions from an upper computer, wherein the signal conversion module is respectively connected with the control module and the at least one acquisition card.

3. The control device of claim 1, wherein the radio frequency switch comprises a radio frequency COM terminal for receiving a radio frequency signal, a RF1 terminal, a radio frequency sink connected to the RF1 terminal, a RF2 terminal, a radio frequency signal sink connected to the RF2 terminal, and a TTL signal input port connected in series with the relay.

4. The control device of claim 3, wherein a pull-up resistor is connected to the TTL signal input port.

5. The control device of claim 1, wherein the control assembly comprises a processor, a reset button and an over-power protection button respectively coupled to the processor.

6. The control device according to claim 1, characterized by further comprising:

and the power supply conversion module is respectively connected with the communication assembly, the radio frequency switch and the control assembly so as to respectively supply power to the communication assembly, the radio frequency switch and the control assembly.

7. The control device of any one of claims 1-6, wherein the relay is a serial relay.