CN203691395U - Radio frequency controller - Google Patents
Radio frequency controller Download PDFInfo
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- CN203691395U CN203691395U CN201420026523.9U CN201420026523U CN203691395U CN 203691395 U CN203691395 U CN 203691395U CN 201420026523 U CN201420026523 U CN 201420026523U CN 203691395 U CN203691395 U CN 203691395U
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- waveguide switch
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- 230000003321 amplification Effects 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a radio frequency controller. The radio frequency controller comprises a power source circuit unit, a micro controller, a waveguide switch control output unit and an operational amplification circuit unit; the power source circuit unit provides a working power source for other units; the micro controller is provided with a programming port, a waveguide switch control signal output end, a power control signal output end and a frequency hopping control signal output end which is connected with a phase discriminator control end in a radio frequency system; the micro controller controls the operational amplification circuit unit to perform voltage amplification through the power control signal output end, so as to control the power attenuation of a power attenuator in the radio frequency system; and the waveguide switch control signal output end is connected with a relay in the waveguide switch control output unit so as to control the on-off switching of a waveguide switch in the radio frequency system, such that microwave channel switching can be realized. The radio frequency controller of the utility model can realize power control, frequency modulation control and channel switching control of the radio frequency system, and is advantageous in high integration, low power consumption and excellent stability.
Description
Technical field
The utility model relates to technical field of micro communication, particularly a kind of rf control unit.
Background technology
Radio-frequency (RF) communication system has the function of very powerful transmission modulation signal, even in the situation that having interference signal and disabling signal, system also can accomplish send and receive modulation signal with best sensitivity with the highest quality.Radio-frequency (RF) communication system is mainly made up of functional circuit unit such as local vibration source, receiving circuit, radiating circuit, antenna, rf control units at present, and wherein rf control unit can be described as the brain of whole system, is commanding each functional module to work as required.
Traditional rf control unit adopts modularized design, carry out multi-multipoint control, cause that control device volume is large, power consumption and cost higher, the shortcoming that reliability is lower, and only export Transistor-Transistor Logic level, the uncontrollable radio-frequency (RF) circuit module that needs higher drive current and voltage.And this product adopts integrated, Integration Design, realize a point-to-multipoint control, and through simple processing of circuit, the radio-frequency (RF) circuit module of make to satisfy the demand higher drive current and voltage.
Summary of the invention
The technical problems to be solved in the utility model is: the controls such as power control, frequency frequency modulation and passage switching by integrated embedded microcontroller implementation to radio system, integrated level is high, low in energy consumption, good stability.
The technical scheme that the utility model is taked is specially: a kind of rf control unit, radio system to be controlled comprises the waveguide switch of micro-wave generation circuit, power attenuator and 1 above corresponding different microwave channel, micro-wave generation circuit comprises the microwave local oscillator that contains phase-locked loop circuit, and phase-locked loop circuit comprises phase discriminator; Rf control unit comprises power circuit unit, microcontroller, waveguide switch control output unit and operational amplification circuit unit;
The power output end of power circuit unit connects respectively the power input of microcontroller, waveguide switch control output unit, operational amplification circuit unit;
Microcontroller has program burn writing port, waveguide switch control signal output, frequency hopping control signal output part and power control signal output; Waveguide switch control output unit comprises relay;
Above-mentioned frequency hopping control signal output part connects the phase discriminator input of phase-locked loop in micro-wave generation circuit, power control signal output concatenation operation amplifier circuit unit, and the output of operational amplification circuit unit connects the control input end of power attenuator; Waveguide switch control signal output connects the relay in waveguide switch control output unit, and the output of relay connects the control input end of waveguide switch in radio system to be controlled.
Micro-wave generation circuit, power attenuator and waveguide switch are the composition structure division of existing general radio system.Microcontroller in the utility model can adopt existing microcontroller chip.For multiple waveguide switches, different waveguide switch series is connected in different microwave channels.Micro-wave generation circuit comprises the microwave local oscillator that contains phase-locked loop circuit, and phase-locked loop circuit comprises phase discriminator, and microcontroller is exported different control signals to the control signal input of phase discriminator, and micro-wave generation circuit will produce the microwave local oscillator of different frequency; Microcontroller, to operational amplifier output different capacity control signal, after operational amplification circuit unit carries out voltage amplification, can reach the object that power ratio control attenuator output signal power size can regulate; Microcontroller is exported different control signals through electric current amplifying triode to the relay that connects different waveguide switch, can make this control signal can drive the break-make of respective waveguide switch control waveguide switch, and then realize channel selecting.
Further, the utility model also comprises operating state indicating member, in operating state indicating member, is provided with light-emitting diode, and light-emitting diode is connected microcontroller through AD conversion unit with CAN bus.In the utility model, microcontroller can reflect its control process to radio system by the flicker of controlling light-emitting diode.
The utility model utilizes the control of microcontroller chip to phase discriminator in radio system to be controlled, to the control of relay, and the control of power attenuator is all to prior art.Relevant control program can be utilized existing software engineering, and control program enters in microcontroller by program burn writing port write.In order to facilitate writing of program, the utility model also comprises H-JTAG program burn writing terminal, and H-JTAG program burn writing terminal connects the program burn writing port on microcontroller.
Preferably, microcontroller described in the utility model adopts 16 ARM7TDMI-S CPU microcontrollers.The high-speed memory that it embeds with 128K byte, the memory interface of 128 bit widths and unique accelerating structure can move 32 codes under maximum clock speed.This chip has extremely low power consumption, multiple 32 bit timing devices, Huo10 road, 10 ADCcan8 roads, 4 tunnel and reaches 9 external interrupt etc.
The beneficial effects of the utility model are: the controls such as power control, frequency frequency modulation and passage switching by integrated embedded microcontroller implementation to radio system, integrated level is high, low in energy consumption, good stability.
Brief description of the drawings
Figure 1 shows that the utility model theory structure schematic block diagram.
Embodiment
Further describe below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, rf control unit of the present utility model comprises power circuit unit, microcontroller, waveguide switch control output unit, operational amplification circuit unit; The output of power circuit unit connects respectively the power input of microcontroller, waveguide switch control output unit, operational amplification circuit unit, for each functional module provides working power; Microcontroller has program burn writing port, waveguide switch control signal output, frequency hopping control signal output part, power control signal output and channel switching signal output; Waveguide switch control output unit comprises relay;
As existing radio system structure, radio system to be controlled of the present utility model comprises micro-wave generation circuit, waveguide switch and power attenuator, and micro-wave generation circuit comprises the microwave local oscillator that contains phase-locked loop circuit, and phase-locked loop circuit comprises phase discriminator; Frequency hopping control signal output part connects the phase discriminator input of phase-locked loop in micro-wave generation circuit, power control signal output concatenation operation amplifier circuit unit carries out voltage amplification, and the output of operational amplification circuit unit connects the control input end of power attenuator; Channel switching signal output connects the relay in waveguide switch control output unit, and the output of relay connects the control input end of waveguide switch, to control the break-make of waveguide switch, and then realizes passage switching.Operational amplification circuit unit can adopt existing operational amplifier, and microcontroller is prior art to the signal controlling of phase discriminator and power attenuator.
The utility model is specially for the passage switching controls of radio system: microcontroller connects relay coil by triode, microcontroller need to be exported Transistor-Transistor Logic level signal to triode according to controlling, by triode, Transistor-Transistor Logic level signal is carried out to electric current amplification, and then control relay electric or dead electricity, a microwave channel switch of the corresponding connection in contact of each relay coil, control different relay coils and obtain electric or dead electricity, can control its corresponding contact break-make, thereby realize the conducting switching of microwave channel.
In embodiment shown in Fig. 1, microcontroller adopts 16 ARM7TDMI-S CPU microcontrollers.The high-speed memory that it embeds with 128K byte, the memory interface of 128 bit widths and unique accelerating structure can move 32 codes under maximum clock speed.This chip has extremely low power consumption, multiple 32 bit timing devices, Huo10 road, 10 ADCcan8 roads, 4 tunnel and reaches 9 external interrupt etc.The relative program that microcontroller MC controls radio system each several part can utilize existing software engineering, and control program writes in microcontroller by H-JTAG program burn writing terminal, and H-JTAG program burn writing terminal connects the program burn writing port on microcontroller.Microcontroller is connected with reset circuit, in conjunction with existing watchdog technique, can realize the manual of controller or automatically reset.
In order to facilitate staff to know the operating state of rf control unit, the present embodiment is also provided with operating state indicating member, in operating state indicating member, be provided with LED, LED is connected microcontroller through AD conversion unit with CAN bus.Microcontroller can reflect its control process to radio system by the flicker of controlling light-emitting diode.
Claims (4)
1. a rf control unit, radio system to be controlled comprises the waveguide switch of micro-wave generation circuit, power attenuator and 1 above corresponding different microwave channel, micro-wave generation circuit comprises the microwave local oscillator that contains phase-locked loop circuit, and phase-locked loop circuit comprises phase discriminator; It is characterized in that, rf control unit comprises power circuit unit, microcontroller, waveguide switch control output unit and operational amplification circuit unit;
The power output end of power circuit unit connects respectively the power input of microcontroller, waveguide switch control output unit, operational amplification circuit unit;
Microcontroller has program burn writing port, waveguide switch control signal output, frequency hopping control signal output part and power control signal output; Waveguide switch control output unit comprises relay;
Above-mentioned frequency hopping control signal output part connects the phase discriminator input of phase-locked loop in micro-wave generation circuit, power control signal output concatenation operation amplifier circuit unit, and the output of operational amplification circuit unit connects the control input end of power attenuator; Waveguide switch control signal output connects the relay in waveguide switch control output unit, and the output of relay connects the control input end of waveguide switch in radio system to be controlled.
2. rf control unit according to claim 1, is characterized in that, also comprises operating state indicating member, in operating state indicating member, is provided with light-emitting diode, and light-emitting diode is connected microcontroller through AD conversion unit with CAN bus.
3. rf control unit according to claim 1, is characterized in that, also comprises H-JTAG program burn writing terminal, and H-JTAG program burn writing terminal connects the program burn writing port on microcontroller.
4. rf control unit according to claim 1, is characterized in that, described microcontroller adopts 16 ARM7TDMI-S CPU microcontrollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026523.9U CN203691395U (en) | 2014-01-16 | 2014-01-16 | Radio frequency controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026523.9U CN203691395U (en) | 2014-01-16 | 2014-01-16 | Radio frequency controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691395U true CN203691395U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420026523.9U Expired - Fee Related CN203691395U (en) | 2014-01-16 | 2014-01-16 | Radio frequency controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567650A (en) * | 2014-12-16 | 2015-04-29 | 中国航天时代电子公司 | Position state detection device for satellite-bone R-type waveguide switch |
-
2014
- 2014-01-16 CN CN201420026523.9U patent/CN203691395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567650A (en) * | 2014-12-16 | 2015-04-29 | 中国航天时代电子公司 | Position state detection device for satellite-bone R-type waveguide switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |