CN207689595U - A kind of portable tester for power amplifier - Google Patents
A kind of portable tester for power amplifier Download PDFInfo
- Publication number
- CN207689595U CN207689595U CN201721918509.XU CN201721918509U CN207689595U CN 207689595 U CN207689595 U CN 207689595U CN 201721918509 U CN201721918509 U CN 201721918509U CN 207689595 U CN207689595 U CN 207689595U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- master board
- radio frequency
- connect
- frequency self
- 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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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of portable tester for power amplifier,It is equipped with master board in its drip irrigation device babinet and radio frequency self-test signal generates plate,Babinet is additionally provided with the power switch for controlling power supply,The keyboard being connect with master board and the liquid crystal display being connect with master board,Master board includes MCU,AD,Keying chip and CPLD,AD is connected with MCU,MCU is connected with liquid crystal display and keying chip respectively,Keying chip connect with keyboard and is connect with CPLD,CPLD generates plate with radio frequency self-test signal and connect,Master board is externally provided with the power detection output level being connect with AD,Radio frequency self-test signal generates plate and is circumscribed with the power amplifier being connect with power detection output level,Detection mouth is equipped between power amplifier and power detection output level,Power amplifier also generates plate with radio frequency self-test signal and is connected,The utility model lies in that providing a kind of easy to repair,Portable tester for power amplifier that is easy to carry and being not likely to produce interference.
Description
Technical field
The utility model is related to a kind of detector technical fields, more specifically, it relates to a kind of portable power amplifier detection
Instrument.
Background technology
It is required for using a large amount of radio-frequency power amplifier in fields such as mobile communication, radio and television, military project radars.Due to
The characteristics of power amplifier itself（Electric current is big, power is big, to environmental requirement harshness）, it is easier to break down, therefore often
It needs to be detected power amplifier and repair, it is single to be often not easily found fault point, lead to the maintenance conditions of this powerful device
Cumbersome, it is big that existing solution usually requires ready signal source, power meter, avometer even pincerlike meter, oscillograph etc. one
Heap instrument and cable, volume weight is huge, inconvenient to carry, especially inconvenient in outfield is applied.The preservation ＆ testing personnel of power amplifier compel
It is essential and wants a kind of light and easy equipment to mitigate carrying burden, and to be susceptible to strong electromagnetic in the actual use process dry
Problem is disturbed,.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of easy to repair, easy to carry
And it is not likely to produce the portable tester for power amplifier of interference.
To achieve the above object, the utility model provides following technical solution：A kind of portable tester for power amplifier, including
Babinet, it is characterized in that：It is equipped with master board in the babinet and radio frequency self-test signal generates plate, babinet is additionally provided with for controlling electricity
The power switch in source, the keyboard being connect with master board and the liquid crystal display being connect with master board, the master board packet
MCU, AD, keying chip and CPLD are included, the AD is connected with MCU, and MCU is connected with liquid crystal display and keying chip respectively, key
Control chip connect with keyboard and is connect with CPLD, and CPLD generates plate with radio frequency self-test signal and connect, and the master board is externally provided with
The power detection output level being connect with AD, the radio frequency self-test signal generation plate is circumscribed with to be connect with power detection output level
Power amplifier, between the power amplifier and power detection output level be equipped with detection mouth, the power amplifier also with radio frequency self-test signal generate
Plate is connected.
By using above-mentioned technical proposal, under working condition, once there is corresponding command key to be pressed, pass through keying core
Piece feeds back to MCU, then MCU can be responded rapidly to, and the instruction code of corresponding frequencies is sent out to CPLD, and CPLD is handled through decoding, will refer to
The frequency code that code is converted to 18 is enabled to generate plate to radio frequency self-test signal, and radio frequency self-test signal generates plate exactly according to this frequency
Rate code generates the radiofrequency signal of corresponding frequencies to power amplifier；
Master control borad also completes the controls operations such as transmitting and wave band switching to power amplifier simultaneously.Then power amplifier is continual
The detection output voltage signal of power amplifier is read by detection mouth（Detection level value including power detection level and each module）, this
A little analog voltage amounts eventually become digital quantity by multichannel AD conversion chip and are converted to actual work(by MCU calculation process
Rate value and current value are shown on the liquid crystal display on panel, make the state of the very clear power amplifier of operator.
According to the different function pattern that button selects, MCU softwares can execute manual single detection function or automatic automatically
Cycle detection function.
Liquid crystal display shows each module operating current, the output power of power amplifier and the numerical value of reflection power, shows failure
Module is numbered, meanwhile, which has the function of fault diagnosis and analysis, according to preset algorithm logic and normal value range,
The performance number and current value that detect can be compared and checked, to provide possible fault location reference proposition（It can determine
Power module is arrived in position）, greatly facilitate rapid-maintenance replacement operation.
The utility model is further arranged to：The master board and radio frequency self-test signal generate plate and are mutually parallel, and main
The mode of control panel and radio frequency self-test signal generation plate stacked on top is integrated in two pieces of circuit boards and is fixed in a manner of stacked on top
In babinet, the master board and radio frequency self-test signal generate plate and are connected to the shielding socket extended to outside babinet respectively.
By using above-mentioned technical proposal, mainly by control panel and radio frequency self-test signal generate two pieces of circuit board groups of plate at,
It is unaffected, this two pieces of circuit boards are integrated in a manner of stacked on top in view of the strong electromagnetic problem of power amplifying device
In one babinet being fixed in detector, and input/output signal stretches out babinet by respective shielding socket and is connected to outside
Portion, such equipment can individually work, and practical electromagnetism interference performance is enhanced significantly, can be steady in a long-term
Work under forceful electric power magnetic environment and it is interference-free.
The utility model is further arranged to：Portable handle is additionally provided on the babinet.
Have portable function by portable handle by using above-mentioned technical proposal, it is easy to carry.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the box house schematic diagram of the utility model embodiment.
Fig. 3 is the internal module connection diagram of the utility model embodiment.
Specific implementation mode
The utility model embodiment is described further referring to figs. 1 to Fig. 3.
A kind of portable tester for power amplifier, including babinet 101, the babinet 101 is interior to be equipped with master board 401 and radio frequency certainly
It examines signal and generates plate 501, the keyboard that babinet 101 is additionally provided with power switch for controlling power supply, is connect with master board 401
301 and the liquid crystal display 201 that is connect with master board 401, the master board 401 include MCU402, AD405, keying core
Piece 403 and CPLD404, the AD405 are connected with MCU402, MCU402 respectively with 403 phase of liquid crystal display 201 and keying chip
Even, keying chip 403 connect with keyboard 301 and is connect with CPLD404, and CPLD404 generates plate 501 with radio frequency self-test signal and connects
It connects, the master board 401 is externally provided with the power detection output level 704 being connect with AD405, and the radio frequency self-test signal generates
Plate 501 is circumscribed with the power amplifier 701 being connect with power detection output level 704, the power amplifier 701 and power detection output level
Detection mouth 702 is equipped between 704, the power amplifier 701 also generates plate 501 with radio frequency self-test signal and is connected.
By using above-mentioned technical proposal, under working condition, once there is corresponding command key to be pressed, pass through keying core
Piece 403 feeds back to MCU402, then MCU402 can be responded rapidly to, and the instruction code of corresponding frequencies, CPLD404 are sent out to CPLD404
It is handled through decoding, instruction code is converted to 18 frequency codes and generates plate 501 to radio frequency self-test signal, and radio frequency self-test signal produces
Raw plate 501 is exactly to generate the radiofrequency signal of corresponding frequencies to power amplifier 701 according to this frequency code；
MCU402 also completes the controls operation such as the transmitting to power amplifier 701 and wave band switching simultaneously.Then power amplifier 701 continues
The detection output voltage signal of power amplifier 701 is constantly read by detection mouth 702（Inspection including power detection level and each module
Survey level value）, these analog voltage amounts eventually by 405 conversion chip of multi-channel A/D become digital quantity and pass through MCU402 operations
On the liquid crystal display 201 that processing is converted to actual performance number and current value is shown on panel, keep operator very clear
The state of power amplifier 701.
According to button select different function pattern, MCU402 softwares can execute automatically manual single detection function or from
Dynamic cycle detection function.
Liquid crystal display 201 shows each module operating current, the output power of power amplifier 701 and the numerical value of reflection power, shows
Show that malfunctioning module is numbered, meanwhile, which has the function of fault diagnosis and analysis, according to preset algorithm logic and normal value
Range can be compared and checked the performance number and current value detected, to provide possible fault location reference proposition（It can
To navigate to power module）, greatly facilitate rapid-maintenance replacement operation.
The utility model is further arranged to：It is mutually flat that the master board 401 and radio frequency self-test signal generate plate 501
Row, and the mode of master board 401 and radio frequency self-test signal generation 501 stacked on top of plate is integrated in two pieces of circuit boards with upper and lower heap
Folded mode is fixed in babinet 101, and the master board 401 and radio frequency self-test signal generation plate 501 are connected to extend to respectively
Shielding socket 601 outside babinet 101.
By using above-mentioned technical proposal, 501 two pieces of circuit boards of plate are mainly generated by master board and radio frequency self-test signal
Composition, it is contemplated that the strong electromagnetic problem of 701 equipment of power amplifier is unaffected, this two pieces of circuit boards are with the side of stacked on top
Formula is integrated in a babinet being fixed in detector 101, and input/output signal is stretched by respective shielding socket 601
Go out babinet 101 and be connected to outside, such equipment can individually work, and practical electromagnetism interference performance obtains significantly
Enhancing, can be steady in a long-term work under forceful electric power magnetic environment and it is interference-free.
The utility model is further arranged to：Portable handle 102 is additionally provided on the babinet 101.
Have portable function by portable handle 102 by using above-mentioned technical proposal, it is easy to carry.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field
Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model
It protects in range.
Claims (3)
1. a kind of portable tester for power amplifier, including babinet, it is characterized in that：Master board and radio frequency self-test are equipped in the babinet
Signal generates plate, and babinet is additionally provided with power switch for controlling power supply, the keyboard that is connect with master board and and master board
The liquid crystal display of connection, the master board include MCU, AD, keying chip and CPLD, and the AD is connected with MCU, MCU points
It is not connected with liquid crystal display and keying chip, keying chip connect with keyboard and connect with CPLD, and CPLD believes with radio frequency self-test
Number plate connection is generated, the master board is externally provided with power detection output level connect with AD, and the radio frequency self-test signal produces
Raw plate is circumscribed with the power amplifier being connect with power detection output level, and detection is equipped between the power amplifier and power detection output level
Mouthful, the power amplifier also generates plate with radio frequency self-test signal and is connected.
2. a kind of portable tester for power amplifier according to claim 1, it is characterized in that：The master board and radio frequency self-test
Signal generates plate and is mutually parallel, and the mode of master board and radio frequency self-test signal generation plate stacked on top is integrated in two pieces of circuits
Plate is fixed in a manner of stacked on top in babinet, and the master board and radio frequency self-test signal generation plate are connected to extend to respectively
Shielding socket outside babinet.
3. a kind of portable tester for power amplifier according to claim 2, it is characterized in that：Portable is additionally provided on the babinet to carry
Hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918509.XU CN207689595U (en) | 2017-12-29 | 2017-12-29 | A kind of portable tester for power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918509.XU CN207689595U (en) | 2017-12-29 | 2017-12-29 | A kind of portable tester for power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689595U true CN207689595U (en) | 2018-08-03 |
Family
ID=62993862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918509.XU Expired - Fee Related CN207689595U (en) | 2017-12-29 | 2017-12-29 | A kind of portable tester for power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207689595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456146A (en) * | 2019-09-04 | 2019-11-15 | 深圳宝龙达信创科技股份有限公司 | Power detection device and power detecting method |
-
2017
- 2017-12-29 CN CN201721918509.XU patent/CN207689595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456146A (en) * | 2019-09-04 | 2019-11-15 | 深圳宝龙达信创科技股份有限公司 | Power detection device and power detecting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210210 Address after: 314000 rooms 103, 105, 202 and 203, building 1, No. 79, Jinsui Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee after: JIAXING NUOAIDI COMMUNICATION TECHNOLOGY Co.,Ltd. Patentee after: AIR FORCE ENGINEERING University OF PLA AIRCRAFT MAINTENACE MANAGEMENT SERGEANT SCHOOL Address before: 314000 1801-07 and 1801-09 room 1, 1539 Chengnan Road, Jiaxing economic and Technological Development Zone, Zhejiang Patentee before: JIAXING NUOAIDI COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |