CN206618845U - Power supply module for communication test system - Google Patents
Power supply module for communication test system Download PDFInfo
- Publication number
- CN206618845U CN206618845U CN201720125797.7U CN201720125797U CN206618845U CN 206618845 U CN206618845 U CN 206618845U CN 201720125797 U CN201720125797 U CN 201720125797U CN 206618845 U CN206618845 U CN 206618845U
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- power supply
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- binding post
- supply module
- communication
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Abstract
The utility model discloses power supply module for communication test system, including PC, test controller, bar code scanner, universal meter, load resistance, oscillograph, electronic load, AC frequency conversion power supply, the bar code scanner connects PC, AC frequency conversion power supply, electronic load, load resistance, universal meter and PC are connected with test controller, test controller connects a power supply module for communication to be tested by a connection plate, and the input of oscillograph is with being connected plate connection；Bar code scanner is used to scan the bar code on the power supply module for communication to be tested；AC frequency conversion power supply, electronic load, universal meter, the COM1 of oscillograph connect PC by hub.Testing efficiency of the present utility model is high, has prevented the possibility of artificial error in operation completely, has substantially increased the repeatability of some measure the items.
Description
Technical field
The utility model is related to automatization test system, more particularly to power supply module for communication test system.
Background technology
In current network or cellular communications network, one or more special power supply module for communication are often installed, it
Electric main can be converted into the 48V direct currents needed for equipment.These power modules often have power big, efficiency high, reliable
The features such as property is strong, miscellaneous function is more.When producing these power modules, in order to be able to fully test the indices of power module,
Manufacturer is needed to purchase a variety of testers, but the different indexs of power module are surveyed one by one according to test specification
Amount.Test process is generally completed by tester's manual operations.During test, power module first will be connected to certain by tester
On instrument, then operating instrument works, then copies the data that lower instrument is shown, then removes power module, is connected to another
On instrument, operating instrument work, then data are copied down, then power module is removed ... and so repeated, until completing all
Test event.Not only efficiency is low for this test mode, test value poor repeatability, and the possibility of error is very high, particularly exists
When production task is heavy, the phenomenon of test leakage or record data error often occurs.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide power supply module for communication test system,
It can improve testing efficiency, it is to avoid test leakage, the wrong possibility surveyed.
The purpose of this utility model is realized using following technical scheme：
Power supply module for communication test system, including PC, test controller, bar code scanner, universal meter, load resistance,
Oscillograph, electronic load, AC frequency conversion power supply, the bar code scanner connect PC, AC frequency conversion power supply, electronic load, negative
Carry resistance, universal meter and PC machines to be connected with test controller, test controller is to be tested by a connection plate connection one
Power supply module for communication, the input of oscillograph is with being connected plate connection；Bar code scanner is used to scan the communication to be tested
Bar code on power module；AC frequency conversion power supply, electronic load, universal meter, the COM1 of oscillograph pass through hub
Connect PC.
It is preferred that, the test controller include power circuit, PLC interface control circuit, input control detection circuit and
Output control detects circuit, and power circuit is to PLC interface control circuit, input control detection circuit and output control detection circuit
Power supply, input control detection circuit and output control detection circuit are connected with PLC interface control circuit；The PLC interface control
Circuit processed is connected with PC, for receiving the control signal from PC and controlling AC frequency conversion power supply, electronic load, load electricity
Resistance, universal meter work；Input control detection circuit is used for the input current for detecting power supply module for communication to be tested, output control
Detect that circuit is used for the output current for controlling to detect power supply module for communication to be tested.
It is preferred that, the power circuit includes alternating current filter, transformer, rectifier bridge, the first voltage-stablizer, the second voltage stabilizing
Device, negative pressure charge pump, the zero line of the alternating current filter are connected with one end of a fuse, the other end connection city of fuse
Electricity, one end of the primary coil of the fire wire output end connection transformer of alternating current filter, the zero line output end of alternating current filter connects
The other end of the primary coil of transformer is connect, the secondary coil of transformer connects the input of rectifier bridge, and the positive pole of rectifier bridge is defeated
Go out to hold the input of the first voltage-stablizer of connection, the earth terminal of the cathode output end of rectifier bridge and the first voltage-stablizer is grounded, second
The input of voltage-stablizer connects the output end of the first voltage-stablizer, the output end connection negative pressure charge pump of the second voltage-stablizer；PLC interface
Control circuit, input control detection circuit and output control detection circuit are all connected with the output end of the first voltage-stablizer.
It is preferred that, input control detection circuit include solid-state relay, the first mechanical relay, the second mechanical relay,
First binding post and alternating voltage phase detector, AC frequency conversion power supply, solid-state relay, the first mechanical relay, second
Output end of the input of mechanical relay and alternating voltage phase detector with the first binding post is connected, alternating voltage phase
The output end connection PLC interface control circuit of bit detector.
It is preferred that, output control detection circuit includes the second binding post, the 3rd binding post, the 4th binding post, the
One conducting switch, the second conducting switch, first resistor, signal relay, current sampling resistor chip and voltage amplifier；
Power supply module for communication connects the positive pole of electronic load and the positive pole of load resistance by the second binding post respectively, electricity
The negative pole of son load and the negative pole of load resistance are all connected with the 3rd binding post；First conducting switch the 3rd binding post of connection,
And the first conducting switch also connects the 3rd binding post by current sampling resistor chip；Second conducting switch connection second connects
Line terminals；The 4th binding post, the 4th terminals are connected to after the output end connection voltage amplifier of current sampling resistor chip
The voltage measurement end of son connection universal meter, and the 4th binding post connects the current measurement end of universal meter by first resistor；The
Two binding posts and the 3rd binding post connect PLC interface by signal relay and control circuit.
It is preferred that, in addition to emergency switch, the emergency switch is connected with test controller.
Compared with prior art, the beneficial effects of the utility model are：
Testing efficiency of the present utility model is high, has prevented the possibility of artificial error in operation completely, has substantially increased
The repeatability of measure the item.
Brief description of the drawings
Fig. 1 is the function structure chart of power supply module for communication test system of the present utility model；
Fig. 2 detects the circuit structure diagram of circuit for input control of the present utility model；
Fig. 3 is the circuit structure diagram that output control of the present utility model detects circuit.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
Referring to Fig. 1, the utility model provides power supply module for communication test system, and it includes PC machines, test controller, bar
Code scanner, universal meter, load resistance, emergency switch, oscillograph, electronic load, AC frequency conversion power supply, the bar code scanner
PC is connected, emergency switch, AC frequency conversion power supply, electronic load, load resistance, universal meter and PC connect with test controller
Connect, test controller connects a power supply module for communication to be tested by a connection plate, and the input of oscillograph is inserted with being connected
Plate is connected；Bar code scanner is used to scan the bar code on the power supply module for communication to be tested；AC frequency conversion power supply, electronics
Load, universal meter, the COM1 of oscillograph connect PC by hub.
Bar coded sticker is all sticked on power supply module for communication to be tested in advance, power supply module for communication first is inserted into connection inserts
On plate, when bar code is arrived in bar code scanner scanning, then start test.The main function of bar code scanner, which is that input is to be tested, to be led to
Believe the sequence number of power module, directly can also be replaced by equipment such as the keyboards of PC.In test process, PC is according to default
Operating procedure control test controller perform various test actions.AC frequency conversion power supply is power supply module for communication input power,
PC controls electronic load and load resistance to provide output load for power supply module for communication, and control universal meter and oscillograph read logical
Believe the measurement data such as voltage, electric current and the ripple of power module.
Emergency switch is used to test out-put supply and the output loading for cutting off power module to be measured when occurring unexpected in time, and
Test system is notified to be stopped.Load resistance is only less than power module maximum output to be measured in electronic load Load Regulation ability
Use, be required for when electronic load Load Regulation ability is sufficient as extra load during ability.
Test controller is the direct executor of test action, is also the core component of test system, and it includes power supply electricity
Road, PLC interface control circuit, input control detection circuit and output control detection circuit, power circuit control electricity to PLC interface
Road, input control detection circuit and output control detection circuit are powered, input control detection circuit and output control detection circuit
It is connected with PLC interface control circuit；The PLC interface control circuit is connected with PC, for receiving the control from PC
Signal simultaneously controls AC frequency conversion power supply, electronic load, load resistance, universal meter work；Input control detection circuit is used to detect
The input current of power supply module for communication to be tested, output control detection circuit is used to controlling and detecting communication power supply to be tested
The output current of module.
Wherein, power circuit includes alternating current filter, transformer, rectifier bridge, the first voltage-stablizer, the second voltage-stablizer, negative pressure
Charge pump, the zero line of alternating current filter is connected with one end of a fuse, the other end connection civil power of fuse, ac filter
One end of the primary coil of the fire wire output end connection transformer of device, the zero line output end of alternating current filter connects the first of transformer
The other end of level coil, the secondary coil of transformer connects the input of rectifier bridge, the cathode output end connection first of rectifier bridge
The earth terminal of the input of voltage-stablizer, the cathode output end of rectifier bridge and the first voltage-stablizer is grounded, the input of the second voltage-stablizer
The output end of the first voltage-stablizer of end connection, the output end connection negative pressure charge pump of the second voltage-stablizer；PLC interface control circuit, defeated
Enter control detection circuit and output control detection circuit is all connected with the output end of the first voltage-stablizer.Also have around negative pressure charge pump
Following peripheral cell, power circuit provides multipath voltage regulation power supply for test controller.
PLC interface control circuit is main by PLC components, optocoupler, voltage comparator, triode, binding post and other nothings
Source device composition, the binding post is connected by multicore cable and connection plate with power supply module for communication, by power supply module for communication
The incoming test controller of status signal and by the incoming power supply module for communication of the control signal of test controller.On the one hand PC is received
The control signal of machine is converted to switching signal control miscellaneous part work, the switching signal on the other hand collecting other parts
Be converted to status signal and feed back to PC.
As shown in Fig. 2 input control detection circuit includes solid-state relay RLY1, the first mechanical relay RLY2, second
Mechanical relay RLY3, the first binding post J2 and alternating voltage phase detector, alternating voltage phase detector is one in Fig. 2
Cover capacitance decompression, triode, optocoupler composition.AC frequency conversion power supply, solid-state relay RLY1, the first mechanical relay RLY2,
Output end of the input of two mechanical relay RLY3 and alternating voltage phase detector with the first binding post J2 is connected, and is handed over
Flow the output end connection PLC interface control circuit of voltage-phase detector.
The test that first binding post J2 exports AC frequency conversion power supply alternating current input test controller, through relay
Switch terminals be output to power supply module for communication.Solid-state relay RLY1 exchange end and the second mechanical relay RLY3 switch
End co- controlling in parallel an AC power cord between AC frequency conversion power supply and power module to be measured, the first mechanical relay
RLY2 independent controls another AC power cord.In measurement " power down output delay " project, relay RLY1, RLY2 switch
Contact is remained closed, and the second mechanical relay RLY3 switch contacts disconnect, and PLC interface controls circuit after measurement instruction is received,
First pass through alternating voltage phase detector and find the last alternating voltage zero-crossing signal, when waiting 10ms after signal appearance, so
Solid-state relay RLY1 control signal is closed afterwards, due to solid-state relay RLY1 intrinsic working characteristics, solid-state relay
RLY1 will continue to be held on to alternating voltage zero passage again.Pressed through when alternating voltage phase detector detects alternating current again
During zero-signal, PLC interface control circuits start timing and stopped after the output voltage of power module to be measured disappears, gained
Clocking value is the measurement result of this project.Because the action for closing input AC electricity always occurs in voltage zero-cross, it is to avoid
The error brought during manual testing because turn-off transient alternating current phases are inconsistent, so the repeatability of measurement obtains carrying greatly very much
It is high.When first mechanical relay RLY2, the second mechanical relay RLY3 are used to load and unload power supply module for communication and be in an emergency
Thoroughly the AC power on cut-out connection plate, ensures the safety of tester and module to be measured.
Referring to Fig. 2 and Fig. 3, output control detection circuit connects including the second binding post J4, the 3rd binding post J3, the 4th
Line terminals J5, first conducting switch Q5 and second conducting switch Q6, signal relay RLY6, current sampling resistor chip U6 and
Voltage amplifier.Voltage amplifier is made up of operational amplifier U8 and peripheral cell.In the present embodiment, the first conducting is switched
Quantity can be four.
Power supply module for communication connects the positive pole of electronic load and the positive pole of load resistance respectively by the second binding post J4,
The negative pole of electronic load and the negative pole of load resistance are all connected with the 3rd binding post J3；First conducting switch Q5 is all connected with the 3rd and connect
Line end J3, and the first conducting switch Q5 also passes through the binding post J3 of current sampling resistor chip U6 connections the 3rd；Second leads
Open up pass Q6 the second binding posts of connection J4；The is connected to after current sampling resistor chip U6 output end connection voltage amplifier
Four binding post J5, the voltage measurement end of the 4th binding post J5 connection universal meters, and the 4th binding post J5 pass through the first electricity
Hinder the current measurement end of R57 connection universal meters；Second binding post J4 and the 3rd binding post J3 pass through signal relay
RLY6 connections PLC interface controls circuit.
Principle is：When power supply module for communication works, the positive pole outflow of its electric current slave module exported, through connecting plate and leading
Line is from binding post J4 PIN2, PIN3 input test controller, and then PIN4, PIN5, PIN6 through binding post J4 are exported
To the positive terminal of the external loading (including electronic load and load resistance) of test system, then from the negative pole end of each external loading
Wire is returned in test controller from binding post J3 PIN4, PIN5, PIN6, and then electric current is switched by the first conducting respectively
FET in Q5 is aggregated into current sampling resistor U6 PIN1, then from U6 PIN4 be output to binding post J3 PIN2,
PIN3, most afterwards through wire and the negative pole for connecting plate return communication power module.Test controller can be according to the need of test event
The first conducting is controlled to switch on-off state respectively, to adjust the actual load of power module to be measured.In test, " short circuit is protected
During shield " function, Q6 will be switched on, and now the positive-negative output end of power supply module for communication will pass through Q6 direct short-circuits.Communication power supply mould
The actual output current of block is sampled into voltage signal by U6, then is amplified by voltage amplifier, is most connected to afterwards through binding post J5
The voltage measurement end of universal meter.The actual output voltage of power module to be measured switchs to weak current through resistance R57, through binding post
J5 is connected to the current measurement end of universal meter.Computer equipped with control software is by reading the measured value of universal meter, then by existing
Some formula operations are with regard to that can obtain the output current magnitude of voltage of power supply module for communication.
The time-consuming end of test system provided using the utility model, testing efficiency improves nearly 3 times, by original manual operations about
Shorten within 30 minutes less than 8 minutes, and prevented the possibility of artificial error in operation completely, substantially increase some measurement items
Purpose repeatability.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (6)
1. power supply module for communication test system, it is characterised in that including PC, test controller, bar code scanner, universal meter,
Load resistance, oscillograph, electronic load, AC frequency conversion power supply, the bar code scanner connect PC, AC frequency conversion power supply, electricity
Sub- load, load resistance, universal meter and PC are connected with test controller, and test controller passes through a connection plate connection one
Power supply module for communication to be tested, the input of oscillograph is with being connected plate connection；Bar code scanner is described to be measured for scanning
Bar code on the power supply module for communication of examination；AC frequency conversion power supply, electronic load, universal meter, the COM1 of oscillograph lead to
Cross hub connection PC.
2. power supply module for communication test system as claimed in claim 1, it is characterised in that the test controller includes power supply
Circuit, PLC interface control circuit, input control detection circuit and output control detection circuit, power circuit give PLC interface control
Circuit, input control detection circuit and output control detection circuit are powered, input control detection circuit and output control detection electricity
The control circuit connection of Lu Junyu PLC interfaces；The PLC interface control circuit is connected with PC, for receiving the control from PC
Signal processed simultaneously controls AC frequency conversion power supply, electronic load, load resistance, universal meter work；Input control detection circuit is used to examine
The input current of power supply module for communication to be tested is surveyed, output control detection circuit is used to controlling and detecting communication electricity to be tested
The output current of source module.
3. power supply module for communication test system as claimed in claim 2, it is characterised in that the power circuit includes exchange and filtered
Ripple device, transformer, rectifier bridge, the first voltage-stablizer, the second voltage-stablizer, negative pressure charge pump, the zero line of the alternating current filter with
One end connection of one fuse, the other end connection civil power of fuse, the fire wire output end connection transformer of alternating current filter
One end of primary coil, the other end of the primary coil of the zero line output end connection transformer of alternating current filter, time of transformer
Level coil connects the input of rectifier bridge, and the cathode output end of rectifier bridge connects the input of the first voltage-stablizer, rectifier bridge it is negative
The earth terminal of pole output end and the first voltage-stablizer is grounded, and the input of the second voltage-stablizer connects the output end of the first voltage-stablizer,
The output end connection negative pressure charge pump of second voltage-stablizer；PLC interface control circuit, input control detection circuit and output control inspection
Slowdown monitoring circuit is all connected with the output end of the first voltage-stablizer.
4. power supply module for communication test system as claimed in claim 3, it is characterised in that input control detection circuit includes solid
State relay, the first mechanical relay, the second mechanical relay, the first binding post and alternating voltage phase detector, exchange
Variable-frequency power sources, solid-state relay, the first mechanical relay, the input of the second mechanical relay and alternating voltage phase detector
Output end with the first binding post is connected, the output end connection PLC interface control circuit of alternating voltage phase detector.
5. power supply module for communication test system as claimed in claim 4, it is characterised in that output control detection circuit includes the
Two binding posts, the 3rd binding post, the 4th binding post, the first conducting switch, the second conducting switch, first resistor, signal
Relay, current sampling resistor chip and voltage amplifier；
Power supply module for communication connects the positive pole of electronic load and the positive pole of load resistance, Electronic Negative by the second binding post respectively
The negative pole of load and the negative pole of load resistance are all connected with the 3rd binding post；First conducting switch the 3rd binding post of connection, and should
First conducting switch also connects the 3rd binding post by current sampling resistor chip；Second conducting switch the second terminals of connection
Son；The 4th binding post is connected to after the output end connection voltage amplifier of current sampling resistor chip, the 4th binding post connects
The voltage measurement end of universal meter is connect, and the 4th binding post connects the current measurement end of universal meter by first resistor；Second connects
Line terminals and the 3rd binding post connect PLC interface by signal relay and control circuit.
6. power supply module for communication test system as claimed in claim 1, it is characterised in that also including emergency switch, this is urgent
Switch is connected with test controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125797.7U CN206618845U (en) | 2017-02-10 | 2017-02-10 | Power supply module for communication test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125797.7U CN206618845U (en) | 2017-02-10 | 2017-02-10 | Power supply module for communication test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618845U true CN206618845U (en) | 2017-11-07 |
Family
ID=60230705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125797.7U Expired - Fee Related CN206618845U (en) | 2017-02-10 | 2017-02-10 | Power supply module for communication test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206618845U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267674A (en) * | 2018-01-04 | 2018-07-10 | 广州金升阳科技有限公司 | System is tested in a kind of comprehensive automation |
| CN109471047A (en) * | 2018-12-21 | 2019-03-15 | 北京无线电计量测试研究所 | A kind of Portable Automatic measuring device for alterating and direct current source calibration |
| CN110308406A (en) * | 2019-07-30 | 2019-10-08 | 深圳市泛海三江电子股份有限公司 | A kind of fire-fighting power supply automatization test system and method |
| CN110441711A (en) * | 2019-09-19 | 2019-11-12 | 扬州万泰电子科技有限公司 | A kind of WEDM control system processing power source test device |
| CN110850324A (en) * | 2018-07-24 | 2020-02-28 | 雅达电子国际有限公司 | Automated test system and method for power supply units |
| CN111487554A (en) * | 2020-03-17 | 2020-08-04 | 北京交通大学 | Automatic testing system and method for direct current-to-direct current power supply module |
-
2017
- 2017-02-10 CN CN201720125797.7U patent/CN206618845U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267674A (en) * | 2018-01-04 | 2018-07-10 | 广州金升阳科技有限公司 | System is tested in a kind of comprehensive automation |
| CN108267674B (en) * | 2018-01-04 | 2020-06-16 | 广州金升阳科技有限公司 | Comprehensive automatic test system |
| CN110850324A (en) * | 2018-07-24 | 2020-02-28 | 雅达电子国际有限公司 | Automated test system and method for power supply units |
| CN109471047A (en) * | 2018-12-21 | 2019-03-15 | 北京无线电计量测试研究所 | A kind of Portable Automatic measuring device for alterating and direct current source calibration |
| CN109471047B (en) * | 2018-12-21 | 2021-04-02 | 北京无线电计量测试研究所 | Portable automatic measuring device for AC/DC power supply calibration |
| CN110308406A (en) * | 2019-07-30 | 2019-10-08 | 深圳市泛海三江电子股份有限公司 | A kind of fire-fighting power supply automatization test system and method |
| CN113030773A (en) * | 2019-07-30 | 2021-06-25 | 深圳市泛海三江电子股份有限公司 | Automatic test method for testing stability of output voltage of fire power supply |
| CN110308406B (en) * | 2019-07-30 | 2022-04-22 | 深圳市高新投三江电子股份有限公司 | Automatic testing method for fire-fighting power supply |
| CN110441711A (en) * | 2019-09-19 | 2019-11-12 | 扬州万泰电子科技有限公司 | A kind of WEDM control system processing power source test device |
| CN110441711B (en) * | 2019-09-19 | 2024-03-08 | 扬州万泰电子科技有限公司 | Power supply testing device of wire cutting control system |
| CN111487554A (en) * | 2020-03-17 | 2020-08-04 | 北京交通大学 | Automatic testing system and method for direct current-to-direct current power supply module |
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| GR01 | Patent grant | ||
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Granted publication date: 20171107 Termination date: 20210210 |