CN207650296U - Solid-state power amplifier intelligent control host - Google Patents
Solid-state power amplifier intelligent control host Download PDFInfo
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- CN207650296U CN207650296U CN201721674373.2U CN201721674373U CN207650296U CN 207650296 U CN207650296 U CN 207650296U CN 201721674373 U CN201721674373 U CN 201721674373U CN 207650296 U CN207650296 U CN 207650296U
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Abstract
The utility model provides a kind of solid-state power amplifier intelligent control host, including power unit and control section, the power unit includes AC DC modules and mechanical switch, externally input 220V AC powers are converted to three kinds of voltages of 28V ,+15V ,+5V by AC DC modules and export respectively, and 220V AC powers, 28V and+15V voltage outputs are respectively adopted indicator light and show that its working condition, 28V and+15V voltage outputs show output current by display；In the control section, control circuit converts the pulse signal that pulse signal source provides to the differential signal needed for solid-state power amplifier, is supplied to solid-state power amplifier；And differential signal it is normal when shown by indicator light.The utility model, which can be realized, to be connect and tests with the quick of solid-state power amplifier, and balance is obtained between test quality, testing progress and testing cost.
Description
Technical field
The present invention relates to a kind of high speed tester device more particularly to a kind of solid-state power amplifier complete machine intelligent testers
Device.
Background technology
With the fast development of science and technology, the large quantities of increases of solid-state power amplifier demand, the performance of solid-state power amplifier
Largely influence the quality of communication.The solid-state power amplifier of function admirable, in addition to carry out accurate rational circuit
Outside structure design, it is necessary to there is good production technology work to ensure more there is good means of testing to ensure.Complete machine is given birth to
During production, test is very important link, needs to judge whether measurand realizes initial design by testing
Target, to judge whether the performance of complete machine reaches design requirement.System test is the important means for improving product quality.Therefore
The test of complete machine is also increasingly paid attention to by each major company and scientific research institutions.
Solid-state power amplifier complete machine is a kind of sophisticated electronics, and test index is various, and entire test session is a kind of
The independent and very important stage, since the factors such as labor cost rising and the shortage of knack worker are to test result
It impacts, constrains production efficiency.
For solid-state power amplifier, domestic equipment manufacturing enterprise mainly connects product by tester at present and is set with test
It is tested after standby.Various equipment and instruments needed for testing are debugged and connected one by one according to complete machine index request, instrument type
Various, parameter setting is cumbersome, and test connection cables number of species are more, increase working hour；It can only be relied in test artificial
Test system test point come judge complete machine power-up and test result it is whether normal, need the correctness of artificial judgment test result with
And the output accuracy of connection instrument；Simultaneously various connection cables become scattered about workbench, testing procedure is cumbersome, test event without
Defencive function, it is very high to the requirement of tester's technology, it is unfavorable for batch testing operation, is also unfavorable for the management of production scene.
In addition, traditional system test is all according to system test requirement, setup test instrument, according to complete machine index request
Adjusting instrument, then re-test complete machine.It when the quantity of complete machine is excessive, is tested using traditional mode, adjusting instrument needs
Will for a long time, every complete machine will be attached between test equipment, need the testing time grown very much.In order to adapt to batch production
Requirement, improve testing efficiency, need a kind of versatility compared with strong, the higher system test equipment of convenience, meet the fast of complete machine
Fast intelligence test.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of solid-state power amplifier complete machine intelligence test host,
It can realize and connect and test with the quick of solid-state power amplifier, be taken between test quality, testing progress and testing cost
It must balance.
The technical solution adopted by the present invention to solve the technical problems is：A kind of solid-state power amplifier intelligent control master
Machine, including power unit and control section；The power unit includes AC-DC module and mechanical switch, externally input
220V AC powers are converted to three kinds of voltages of -28V ,+15V ,+5V by AC-DC module and export respectively, and 220V AC powers, -
28V and+15V voltage outputs are respectively adopted indicator light and show that its working condition, -28V and+15V voltage outputs are aobvious by display
Show output current；In the control section, control circuit converts the pulse signal that pulse signal source provides to solid state power
Differential signal needed for amplifier, is supplied to solid-state power amplifier；And differential signal it is normal when shown by indicator light.
In the control section, when -28V is without inputting or inputting abnormal, differential signal does not work without output, indicator light；-
When 28V power supplies are normal and pulse signal source input is often high, differential signal does not work without output, indicator light；- 28V power supplies it is normal and
When clock input inputs for often low or clock, differential pulse normally exports, and indicator light is green.
The control section connects solid-state power amplifier to be measured by cylindrical connector.
The beneficial effects of the invention are as follows：
(1) system test parameter is arranged according to product requirement when designing the present invention, it can be defeated to present invention power-up
Go out the test signal of product needs；
(2) as long as solid-state power amplifier and the present invention are connected, the switch on panel can be to solid through the invention
State power amplifier is tested, and when the present invention is arranged on p-wire, test speed can be greatly improved；
(3) solid-state power amplifier is connect with the present invention in a manner of connector, and all power-on tests are all by opening
Control is closed, so the carry out solid-state power amplifier system test that the present invention can be rapid and simple, solid-state power amplifier to be measured are whole
Machine carries test connector, can quick-replaceable as long as the test connector included by replacing solid-state power amplifier complete machine
Measured piece meets batch testing requirement；
(4) the invention also includes accurate voltage and currents to show, reduces the tedious steps of tester's instrument test；
(5) invention itself carries detection function, as soon as often adding a test condition, has corresponding indicator light to light；To having
The complete machine of abnormality test result, can be automatically into protected mode；
(6) relatively low to the requirement of the technology of worker, professional test personnel are not necessarily to, can be operated by simple training；
(7) present invention is suitable for the automatic test continuous productive process of solid-state power amplifier.
Description of the drawings
Fig. 1 is the front panel schematic diagram of the present invention；
Fig. 2 is the front panel schematic diagram of the present invention；
Fig. 3 is the circuit block diagram of the present invention；
Fig. 4 is the alternating-current switch electric operation control circuit figure of the present invention；
Fig. 5 is the AC-DC conversion circuit figures of the present invention；
Fig. 6 is the filter circuit figure of the present invention；
Fig. 7 is+15V indicating circuit and display circuit figure of the invention；
Fig. 8 is -28V indicating circuit and display circuit figure of the invention；
Fig. 9 is the negative pressure protection circuit diagram of the present invention；
Figure 10 is the 57V indicating circuit and display circuit figure of the present invention；
Figure 11 is pulse instruction and the protection circuit diagram of the present invention；
Figure 12 is the impulse output circuit figure of the present invention；
In Fig. 1 and Fig. 2,1- pulse input interfaces, 2- connects the earth port, and 3- is modulating pulse just, and 4- modulates pulse and bears, after 5-
Panel, 6-220V exchange input socket, 7- side panels, and 8- signal power sources input, and 9--28V electric currents are shown, 10-FK terminal voltages are aobvious
Show, 11-+15V electric currents are shown, 12--28V powers up toggle switch, and 13-+15V powers up toggle switch, 14- front panels, 15- exchanges
Power supply indicator, 16-FK terminals, 17-GND terminals, 18-57V show that indicator light, 19-+15V show indicator light, 20--
28V shows indicator light, the normal indicator light of 21- pulses.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The present invention provides a kind of quick, intelligent control host, can be whole to the solid-state power amplifier of same design objective
Machine is quickly connected, and is tested.
Technical solution of the invention is as follows：
A kind of quick, intelligent control host, for testing solid-state power amplifier complete machine, special character exists the equipment
In：It shown including high-precision quasi- direct voltage output, high-precision accurate DC voltage, facilitate succinct control switch efficiency high, according to
Complete machine index request is by the required parameter of system test and needs to be shown as a result, directly test is completed, and is shown, to realize
Bulk article is quickly tested.High-precision quasi- direct voltage output and display reduce the use of instrument, reduce test labour.It is convenient
Succinct control switch, reduces the complex operations of artificial connection.When there is test abnormal, instrument can automatically into protected mode,
Will not have an impact to product.It is connect with complete machine with connector, reduces and dismantle cumbersome problem, be conducive to batch production.The function is equal
It is arranged on the panel of the intelligent control host；The all clear identification function of all buttons and display area；Between instrument and product
It is connected using connector.
The intelligent control host is mainly made of power unit and control section.Power unit is by friendship flow control switch and height
The AC-DC of transfer efficiency, mechanical switch, filter circuit, indicating circuit, display circuit composition.Control section electricity is protected by negative pressure
Road, 57V power supplys power up indicating circuit and voltage display circuit, pulse instruction and protection circuit, impulse output circuit composition.
1, power unit
1) alternating-current switch control circuit
As shown in figure 4, adding exchange power-up indicator lamp groups at when power cord is inserted into three-phase by three-phase socket, mechanical switch S1
Socket, mechanical switch are closed, light emitting diode D2 work, and indicator light is bright.Resistance R and diode D1, D2 constitute indicating circuit, R1
For current-limiting resistance, D1 is rectifier diode, and D2 is light emitting diode.Current-limiting resistance R1 and rectifier diode D1 are by 220V alternating currents
Repoussage stream is low pressure pulsating dc voltage supply light emitting diode D2 to be prevented from shining using rectifier diode D1 unilateral conductions
Diode D2 reverse breakdowns, current-limiting resistance R1 sizes control the light levels of light emitting diode D2.
2) AC-DC conversion circuits
As shown in figure 5, being made of the AC-DC of three road high conversion efficiencies, T1, T2, T3 are the AC-DC power supplys of high conversion efficiency
Module, for transfer efficiency up to 90%, power module input is 220V AC powers, is exported as the voltage needed for product, each
Road AC-DC only exports a kind of voltage value.The AC-DC power module used in the present invention has wide input voltage range, input electricity
Pressure meets 85~265VAC, single channel output, ultralow idle function, and included overvoltage, overcurrent, overheat protector function.When output electricity
When pressure is more than when that voltage is arranged, output current is more than setting electric current and when temperature is more than setting temperature, AC-DC power module meeting
Output is automatically cut off, into protected mode.
3) filter circuit
As shown in fig. 6, being composed in parallel by capacitance, there is filter circuit all the way behind each AC-DC power module.In figure
Cp1 to Cpn is capacitance, which can be arranged according to the requirement of each AC-DC power module output voltage.
4) indicating circuit and display circuit：
A)+15V indicating circuits, as shown in fig. 7, after power module exports 15V, mechanical switch S2 is closed, in high-precision
Show that present current value, light emitting diode D4 work in electric current gauge outfit, indicator light is bright.High-precision current gauge outfit, display precision are
±1mA.Current-limiting resistance R3, R4, rectifier diode D3, light emitting diode D4 constitute indicating circuit.Current-limiting resistance R3, R4 and rectification
15V DC voltages are depressured supply light emitting diode D4 and prevent from shining using rectifier diode D3 unilateral conductions by diode D3
Diode D4 reverse breakdowns, current-limiting resistance R3, R4 size control the light levels of light emitting diode D4.
B) -28V indicating circuits, as shown in figure 8, after power module output -28V, mechanical switch S3 is closed, in high-precision
Show that present current value, light emitting diode D6 work in electric current gauge outfit, indicator light is bright.High-precision current gauge outfit display precision be ±
1mA.Current-limiting resistance R5, R6, rectifier diode D5, light emitting diode D6 constitute indicating circuit.Current-limiting resistance R5, R6 and rectification two
- 28V DC voltages are depressured supply light emitting diode D6 and prevent from shining using rectifier diode D5 unilateral conductions by pole pipe D5
Diode D6 reverse breakdowns, current-limiting resistance R5, R6 size control the light levels of light emitting diode D6.
2, control section
1) voltage protection circuit is born
As shown in figure 9, Q1, Q2 are NPN type triode, the threshold voltage of resistance R11 adjustment input value, less than -28V or
Higher than -28V, the range of protection point is directly determined.C1, C2 are filter capacitor.As input -28V, Q1 conductings, Q2 cut-offs, -
28V_BIT outputs are high level, and when -28V is without input, Q1 cut-offs, Q2 conductings, -28V_BIT outputs are low level.
2) 57V power supplys power-up indicating circuit and voltage display circuit
As shown in Figure 10, K1 is operational amplifier, and C3, C4, C5 are filter capacitor, and R14, R15 are current-limiting resistance, and D7 is hair
Optical diode, Q3 are NPN type triode.FK signals are pulse signal, and input becomes after the integrating circuit that C3, R12 are formed
DC level, DC level pass through the active filter of K1, C4, R13 composition, and filtering output is simultaneously aobvious by high-accuracy voltage gauge outfit
Show, display precision is ± 1mV.When FK1 inputs are 0, Q3 cut-offs, light emitting diode D7 does not work, when FK1 inputs 4V, Q3
Conducting, light emitting diode D7 work, indicator light are bright.Current-limiting resistance R14, R15 size controls the light levels of light emitting diode D7.
3) pulse instruction and protection circuit
As shown in figure 11, R18 is pull down resistor, and R19, R20, R21, R22, R23 are current-limiting resistance, K2 be the output of four tunnels with
Door, K3 be tetra- road LVDS differential receivers of 5V CMOS, K4, K5 be the enhanced tetra- tunnel differential linearity drivers of CMOS of 3V, C6, C7,
C8, C9, C10, C11 are filter capacitor, and D8 is light emitting diode.When TTL is inputted, rigid power-up state is indefinite, pull down resistor R18
Forced to draw is low level.After -28V inputs, pulse TTL inputs are normal, and light emitting diode D8 is working properly, and indicator light is bright.
When -28V or pulse are any all the way without input, light emitting diode D8 does not work, and indicator light does not work.The small controls of current-limiting resistance R19
The light levels of light emitting diode D8.
4) impulse output circuit
As shown in figure 12, C12, C13 are filter capacitor, and R25, R27 are pull down resistor, and K6, R24, R26 constitute active power filtering
Device.When just powering on, the positive CF+ of difference and difference bear CF- to export original state indefinite, thus need additional pull down resistor R25 and
It is low level that R27, which is forced to draw,.Differential signal is exported after active filter.
Several test gimmicks are combined in one.As shown in Figure 1, 2, the intelligent control host is in test solid state power amplification
When device complete machine, need that complete machine to be measured is connected with the intelligent control host by cylindrical connector 8；Pulse input 1 is connected
To impulse generator output end；Modulation pulse anode 3 and negative terminal 4 are connected with complete machine corresponding ports to be measured respectively；By intelligent control
The big ground terminal 2 of host processed carries out common ground connection with complete machine to be measured；The FK16 of tested port and intelligent control host is connect with ground 17.
When testing complete machine, the switch on intelligent control host rear panel 220V exchange input sockets is opened, front panel is submitted
Stream instruction etc. is red；First plus -28V power supplys, -28V electric currents can show that position 9 in Fig. 1 is shown, display precision is ± 1mA；
After 57V is shown in red ,+15V power supplys are opened ,+15V electric currents can show that position 11 in Fig. 1 is shown, display precision is ± 1mA；
Then pulse input is opened again, and pulse input is green light, and all testing procedures are completed.The test voltage at the ends FK is shown in Fig. 1
Position 10, display precision be ± 1mV.
When powering order mistake, will not have an impact to complete machine to be measured, it can automatically cut off the power and turn off pulse output,
To protect complete machine.
Claims (3)
1. a kind of solid-state power amplifier intelligent control host, including power unit and control section, it is characterised in that：Described
Power unit includes AC-DC module and mechanical switch, and externally input 220V AC powers are converted to by AC-DC module-
Three kinds of voltages of 28V ,+15V ,+5V export respectively, and indicator light is respectively adopted in 220V AC powers, -28V and+15V voltage outputs
Show that its working condition, -28V and+15V voltage outputs show output current by display；In the control section, control
Circuit converts the pulse signal that pulse signal source provides to the differential signal needed for solid-state power amplifier, is supplied to solid-state work(
Rate amplifier；And differential signal it is normal when shown by indicator light.
2. solid-state power amplifier intelligent control host according to claim 1, it is characterised in that：The control section
In, when -28V is without inputting or inputting abnormal, differential signal does not work without output, indicator light；- 28V power supplies are normal and pulse signal
When source input is often high, differential signal does not work without output, indicator light；- 28V power supplies are normal and clock input is normal low or pulse
When source inputs, differential pulse normally exports, and indicator light is green.
3. solid-state power amplifier intelligent control host according to claim 1, it is characterised in that：The control section
Solid-state power amplifier to be measured is connected by cylindrical connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674373.2U CN207650296U (en) | 2017-12-06 | 2017-12-06 | Solid-state power amplifier intelligent control host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674373.2U CN207650296U (en) | 2017-12-06 | 2017-12-06 | Solid-state power amplifier intelligent control host |
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| Publication Number | Publication Date |
|---|---|
| CN207650296U true CN207650296U (en) | 2018-07-24 |
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ID=62882561
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721674373.2U Active CN207650296U (en) | 2017-12-06 | 2017-12-06 | Solid-state power amplifier intelligent control host |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732490A (en) * | 2018-08-31 | 2018-11-02 | 成都天箭科技股份有限公司 | The full-automatic unmanned aging test of microwave solid-state power amplifier and service life experiment system |
-
2017
- 2017-12-06 CN CN201721674373.2U patent/CN207650296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732490A (en) * | 2018-08-31 | 2018-11-02 | 成都天箭科技股份有限公司 | The full-automatic unmanned aging test of microwave solid-state power amplifier and service life experiment system |
| CN108732490B (en) * | 2018-08-31 | 2024-02-23 | 成都天箭科技股份有限公司 | Full-automatic unmanned aging test and life test system for microwave solid-state power amplifier |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 610041 block B, building 9, science and Technology Incubation Park, hi tech Zone, Chengdu, Sichuan. Patentee after: Chengdu Tianjian Polytron Technologies Inc Address before: 610041 Tianfu Software Park, Tianfu Avenue, B2, Chengdu, Sichuan. Patentee before: Chengdu Tianjian Polytron Technologies Inc |
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| CP02 | Change in the address of a patent holder |