CN205754231U - A kind of frequency modulation high power amplifier controller - Google Patents
A kind of frequency modulation high power amplifier controller Download PDFInfo
- Publication number
- CN205754231U CN205754231U CN201620601967.XU CN201620601967U CN205754231U CN 205754231 U CN205754231 U CN 205754231U CN 201620601967 U CN201620601967 U CN 201620601967U CN 205754231 U CN205754231 U CN 205754231U
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- CN
- China
- Prior art keywords
- power amplifier
- cpu processor
- temperature sensor
- frequency modulation
- high power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of frequency modulation high power amplifier controller, it relates to frequency-modulated broadcast transmitter manufacturing technology field.It includes CPU processor, directional coupler, power amplifier collecting unit, fan trouble detector unit, reset key, rotary encoder, ON/OFF switching on and shutting down button, OLED display screen, real-time clock, memorizer, temperature sensor and RS485 interface, fan trouble detector unit, reset key, rotary encoder, ON/OFF switching on and shutting down button all access CPU processor, and CPU processor is bi-directionally connected with directional coupler, power amplifier collecting unit, OLED display screen, real-time clock, memorizer, temperature sensor and two RS485 interfaces respectively.This utility model is greatly decreased power amplifier to be affected by Radio frequency interference little by working environment, and versatility is good, and flexible function is various, practical, it is easy to promote the use of.
Description
Technical field
The utility model relates to frequency-modulated broadcast transmitter manufacturing technology field, be specifically related to that a kind of frequency modulation is high-power puts
Big device controller.
Background technology
Frequency modulation High-power amplifier controller, in high-power frequency broadcast transmitter, controls power amplifier output, detection
Power amplifier parameters, provides error protection for power amplifier, and carries out communication with upper seat in the plane, the most of power amplification controller of prior art
There is problems in that
(1) can not be automatically adjusted after output is set as rated value, when such as temperature changes working environment, power amplifier
Output has variation by a relatively large margin, it is impossible to keep the constant of output.
(2) the multiplex analog temperature sensor of temperature acquisition, arranges with power amplifier module side easily by Radio frequency interference, or uses
Temperature relay, temperature alarming node fixed single, it is impossible to well reaction power amplifier real work temperature.
(3) most of power amplifier panels are that a kind of power amplifier correspondence joins a kind of panel, poor universality.
(4) most of power amplifier panels are only designed with temperature, incidence and reflection power alarm and protection, and defencive function is single.
In order to solve the problems referred to above, design a kind of novel frequency modulation high power amplifier controller or necessary
's.
Summary of the invention
For not enough present on prior art, this utility model purpose is to be to provide a kind of frequency modulation high power amplifier
By controller, simple in construction, reasonable in design, power amplifier is greatly decreased to be affected by Radio frequency interference little by working environment, and versatility is good,
Flexible function is various, practical, it is easy to promote the use of.
To achieve these goals, this utility model is to realize by the following technical solutions: a kind of frequency modulation is high-power
Amplifier controller, including CPU processor, directional coupler, power amplifier collecting unit, fan trouble detector unit, reset by
Key, rotary encoder, ON/OFF switching on and shutting down button, OLED display screen, real-time clock, memorizer, temperature sensor and RS485 connect
Mouthful, fan trouble detector unit, reset key, rotary encoder, ON/OFF switching on and shutting down button all access CPU processor, at CPU
Reason device respectively with directional coupler, power amplifier collecting unit, OLED display screen, real-time clock, memorizer, temperature sensor and two
RS485 interface is bi-directionally connected.
As preferably, described temperature sensor is passed through monobus by the digital temperature sensor DS18B20 of multi-channel parallel
Agreement is connected with an I/O port of CPU processor.
As preferably, described CPU processor by two-way RS485 interface respectively with host computer, each unit control module
Connect.
As preferably, in described CPU processor, preset tri-kinds of different working modes of 1kW, 3kW, 5kW by programming,
Can as desired by OLED display screen visualized operation select these three mode of operation any one, make same controller
Can be with three kinds of power amplification universals.
The beneficial effects of the utility model: it is constant that (1) can effectively control power amplifier output, balance environmental effect.
(2) digital temperature sensor circuit is used, simple in construction, stable, good in anti-interference performance.
(3) controller can reduce handover operation letter between exploitation and production cost, and different mode from different power amplification universals
Single easy-to-use, it is simple to efficiently to produce.
(4) safety of power amplifier in transmitter vitals can be protected flexibly and effectively, and frequency-modulation broadcasting program can be balanced
The impact broadcasted；Break down warning time, controller can intuitively show and record concrete trouble point by OLED display screen, side
Just user searches failure cause, shortens maintenance period；By every power amplifier parameter acquisition can intelligent decision power amplifier work state, report
Alert defencive function is versatile and flexible.
Accompanying drawing explanation
This utility model is described in detail below in conjunction with the accompanying drawings with detailed description of the invention；
Fig. 1 is theory diagram of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below
In conjunction with detailed description of the invention, this utility model is expanded on further.
With reference to Fig. 1, this detailed description of the invention by the following technical solutions: a kind of frequency modulation high power amplifier controller,
Including CPU processor 1, directional coupler 2, power amplifier collecting unit 3, fan trouble detector unit 4, reset key 5, rotary coding
Device 6, ON/OFF switching on and shutting down button 7, OLED display screen 8, real-time clock 9, memorizer 10, temperature sensor 11 and RS485 interface
12, fan trouble detector unit 4, reset key 5, rotary encoder 6, ON/OFF switching on and shutting down button 7 all access CPU processor 1,
CPU processor 1 respectively with directional coupler 2, power amplifier collecting unit 3, OLED display screen 8, real-time clock 9, memorizer 10, room temperature
Sensor 11 and two RS485 interfaces 12 are bi-directionally connected, CPU processor 1 by two-way RS485 interface 12 respectively with host computer,
Each unit control module connects.
It should be noted that described temperature sensor 11 is passed through by the digital temperature sensor DS18B20 of multi-channel parallel
Monobus lin protocol is connected with an I/O port of CPU processor 1, and multi-path digital temperature sensor is in parallel with monobus lin protocol, each
Sensor is correspondingly arranged an address, reads the temperature value of power amplifier diverse location for detection respectively, and temperature data is believed with numeral
It is strong number to transmit capacity of resisting disturbance, and little by Radio frequency interference, multi-channel parallel circuit structure is simple, and temperature data acquisition is accurate.
This detailed description of the invention is with ARM embedded type CPU chip as control core, and controller circuitry is mainly with CPU as core
Connect two-way 485 communicating circuit, 13 road analog quantity acquisition circuits, 1 road power amplifier grid voltage control circuit, multi-path digital temperature sensor
Circuit, storage circuit, DC conversion power circuit, OLED display circuit and ON-OFF control circuit composition, wherein 1 road power amplifier grid voltage
Control circuit connects 1 cpu chip DA digital-to-analogue conversion port, by adjusting automatically according to transmitter state to CPU programming
Joint grid voltage size, by controlling power amplifier grid voltage scalable power amplifier output size.
This detailed description of the invention connects the directional coupler 2 of frequency modulation transmitter power amplifier, collects incident output coupling
Signal, is converted to output power value by programming, is then entered by the nominal value range of output power value with controller inner setting
Row compares, when output is not in rated range, and the control that controller is connected with power amplifier grid by DA digital-to-analogue conversion change
Circuit output voltage size, makes output be increased or decreased to reach constant power and exports；Controller is assisted by monobus
View is connected with the digital temperature sensor of multi-channel parallel, first passes through and reads 64 exclusive ROM of temperature sensor 11 to every biography
Sensor distributes corresponding address and is saved in memorizer 10, and then CPU can read multi-channel parallel digital temperature by addressing system
The temperature data of sensor；Tri-kinds of different working modes of 1kW, 3kW, 5kW are preset by programming in CPU processor 1, the most right
Should use on 3 kinds of power amplifiers, versatility is good, and Three models accordingly increases or reduces, the acquisition channel number opened in CPU, and
In CPU, set up different Power control range and fault alarm relay protective scheme by programming, can show as desired by OLED
Display screen 8 visualized operation select these three mode of operation any one, make same controller can with three kinds of power amplification universals, with
Adapt to the demand for control under different working modes.
Temperature, incidence and reflection power fault alarm that most of power amplification controllers are all had by this detailed description of the invention are protected
Protective function is expanded, and gathers each item data such as power amplifier electric current, voltage, temperature, incidence and reflection power, and according to these numbers
Judge power amplifier in transmitter duty according to by programming, and send various faults alarm and protection when different conditions, embedding because using
Entering formula programming technique, this controller has current anomaly to report to the police always according to the design data gathered, electric voltage exception is reported to the police, power is uneven
The weighing apparatus alarm and protection function such as warning, power failure, can automatic constant power amplifier output, power amplifier is greatly decreased by working environment
Impact, has wide market application foreground.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. a frequency modulation high power amplifier controller, it is characterised in that include CPU processor (1), directional coupler (2),
Power amplifier collecting unit (3), fan trouble detector unit (4), reset key (5), rotary encoder (6), ON/OFF switching on and shutting down are pressed
Key (7), OLED display screen (8), real-time clock (9), memorizer (10), temperature sensor (11) and RS485 interface (12), blower fan
Fault detection unit (4), reset key (5), rotary encoder (6), ON/OFF switching on and shutting down button (7) all access CPU processor
(1), CPU processor (1) respectively with directional coupler (2), power amplifier collecting unit (3), OLED display screen (8), real-time clock
(9), memorizer (10), temperature sensor (11) and two RS485 interfaces (12) are bi-directionally connected.
A kind of frequency modulation high power amplifier controller the most according to claim 1, it is characterised in that described room temperature passes
Sensor (11) is passed through an IO of monobus lin protocol and CPU processor (1) by the digital temperature sensor DS18B20 of multi-channel parallel
Mouth connects.
A kind of frequency modulation high power amplifier controller the most according to claim 1, it is characterised in that at described CPU
Reason device (1) is connected with host computer, each unit control module respectively by two-way RS485 interface (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601967.XU CN205754231U (en) | 2016-06-20 | 2016-06-20 | A kind of frequency modulation high power amplifier controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601967.XU CN205754231U (en) | 2016-06-20 | 2016-06-20 | A kind of frequency modulation high power amplifier controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754231U true CN205754231U (en) | 2016-11-30 |
Family
ID=57386426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601967.XU Expired - Fee Related CN205754231U (en) | 2016-06-20 | 2016-06-20 | A kind of frequency modulation high power amplifier controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205754231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915191A (en) * | 2016-06-20 | 2016-08-31 | 上海觉浅广播器材有限公司 | Controller for frequency-modulated high power amplifier |
-
2016
- 2016-06-20 CN CN201620601967.XU patent/CN205754231U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915191A (en) * | 2016-06-20 | 2016-08-31 | 上海觉浅广播器材有限公司 | Controller for frequency-modulated high power amplifier |
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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 |
Granted publication date: 20161130 Termination date: 20190620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |