CN205958728U - Power module test fixture - Google Patents
Power module test fixture Download PDFInfo
- Publication number
- CN205958728U CN205958728U CN201620838315.8U CN201620838315U CN205958728U CN 205958728 U CN205958728 U CN 205958728U CN 201620838315 U CN201620838315 U CN 201620838315U CN 205958728 U CN205958728 U CN 205958728U
- Authority
- CN
- China
- Prior art keywords
- module
- power module
- power
- measured
- load
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Abstract
The utility model provides a power module test fixture belongs to power test field. The utility model discloses a power input module, ampere meter, switch K1, oscilloscope, a plurality of voltmeter and the load of establishing ties with the voltmeter, be equipped with switch K2 between voltmeter and the load, wherein, power input module links to each other with the power module input that awaits measuring through the ampere meter, switch K1 sets up at the ampere meter and awaits measuring between the power module, oscilloscope connects in parallel await measuring power module's both ends, the power module output end that awaits measuring a plurality of voltmeters that connect in parallel. The beneficial effects of the utility model are that: efficiency of software testing is high, can switch at will in 0 load and 45 full loads, according to the output voltage monitoring demonstration of voltmeter, tests out the own self -adaptation regulation of power module under 0 load and 45 full load conditions that await measuring, improves its stability in the real work circuit.
Description
Technical field
This utility model is related to power supply test field, more particularly, to a kind of power module measurement jig.
Background technology
In prior art, test circuit tester monitoring voltage and the electric current of power module, once can only test a load,
1/4 fully loaded in the case of tested a module and needed about 4 minutes.And, fully loaded test cannot be realized, working strength is big,
Efficiency is low, and test is not in place, causes quality hidden danger to stability at later stage.
Utility model content
For solving the problems of the prior art, this utility model provides a kind of power module measurement jig.
This utility model is used for testing power module to be measured, including Power Entry Module, ammeter, switch K1, oscillograph,
Multiple voltmeters and the load connected with voltmeter, are provided with switch K2, wherein, described power supply is defeated between described voltmeter and load
Enter module to be connected with power module input to be measured by ammeter, described switch K1 is arranged on ammeter and power module to be measured
Between, described oscillograph is connected in parallel on the two ends of described power module to be measured, described power module outlet to be measured multiple electricity in parallel
Pressure table.
This utility model is further improved, and also includes audio signal input module, Sever module, wireless terminal show
Device, described Power Entry Module is that described Sever module, wireless terminal display are powered, described Sever module respectively with described
The input of audio signal input module is connected with described wireless terminal display, the outfan of described audio signal input module
It is connected with the input of power module to be measured, the outfan of described power module to be measured is connected with described Sever module input.
This utility model is further improved, also include show Sever module working condition LED display module and with institute
State the LED driver module that LED display module is connected, described LED display module is connected in parallel on described power module output to be measured
End, the input of described LED driver module is connected with Sever module.
This utility model is further improved, and described LED display module includes five LED.
This utility model is further improved, and the working condition of described Sever module is exported in the way of audio frequency, Sever
Module exports broadcasting fixed-audio signal to drive LED to LED driver module, and the bright light quantity of described LED is by solid
Accordatura frequency volume determines.
This utility model is further improved, and also includes PA signal input module, release of pressure signal input module, described PA letter
Number input module and release of pressure signal input module are connected in parallel on described power module input to be measured.
This utility model is further improved, and when inputting PA signal, PA signal is through the TTL-USB of power module to be measured
Circuit conversion is input to Sever module for usb signal, and Sever module is issued wireless terminal display after treatment and shown.
This utility model is further improved, and when inputting release of pressure signal, power module to be measured stops all and processes
Any instruction, priority treatment release of pressure signal, immediately power module to be measured enter off-mode, and before main power source power-off always
Keep this state.
This utility model is further improved, and described loads as load resistance.
This utility model is further improved, and the quantity of described voltmeter and load resistance is respectively 3.
Compared with prior art, the beneficial effects of the utility model are：Testing efficiency is high, can be fully loaded with 0 load and 4/5
Shi Suiyi switches, and according to the output voltage monitoring display of voltmeter, tests out power module to be measured in 0 load and 4/5 fully loaded feelings
Itself self-adaptative adjustment rate under condition, improves its stability in real work circuit；Collection PA signal, LED control signal
Give one with release of pressure signal, the related repertoire test of power module is completed on a measurement jig.
Brief description
Fig. 1 is this utility model structural representation.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in further details.
As shown in figure 1, this utility model is used for testing power module to be measured and includes Power Entry Module, ammeter, switch
K1, oscillograph, multiple voltmeter and the load connected with voltmeter, are provided with switch K2 between described voltmeter and load, wherein,
Described Power Entry Module is connected with power module input to be measured by ammeter, and described switch K1 is arranged on ammeter and treats
Survey between power module, described oscillograph is connected in parallel on the two ends of described power module to be measured, described power module outlet to be measured
Multiple voltmeters in parallel.
Load in this example as powerful load resistance, the consumption of electric energy when simulating work, load end adopts same model end
Stroma, effectively prevents missing inspection and the maloperation of front end and this procedures member.The quantity of this example voltmeter and load resistance is respectively
For 3, respectively voltmeter 1, voltmeter 2, voltmeter 3 and load 1, load 2, load 3.
In this example, when closing load switch K2, belong to 4/5 and be fully loaded with（The 80% of general power）, it is 0 when disconnecting switch K2
Load（Do not load access）.
This measurement jig simulates whole machine operating circuit, and testing efficiency is high, and the function of power module and performance can be carried out
Omnibearing simulation test, arbitrarily can switch in 0 load and 4/5 full load, according to the output voltage monitoring display of voltmeter,
Test out self-adaptative adjustment rate under 0 load and 4/5 full load conditions for the power module itself, improve it in real work circuit
Stability.Wherein, the function that self-adaptative adjustment itself possesses by power module to be measured, this measurement jig detects this function
Foundation be：Load to 4/5 full load output voltage rate of change and become within 1% scope of rated output voltage 0 and turn to conjunction
Lattice, it is unqualified that rate of change exceeds 1%.
This utility model can be specifically adapted to simulate the detection of load capacity, is mainly used in Air Passenger passenger cabin entertainment system
Relaying energy transformation supply station, simulated implementation load jump detects in the adaptive ability of zero load to 4/5 full load condition variable quantity.
For this reason, this utility model also includes audio signal input module, Sever（Server）Module, wireless terminal show
Device, described Power Entry Module is that described Sever module, wireless terminal display are powered, described Sever module respectively with described
The input of audio signal input module is connected with described wireless terminal display, the outfan of described audio signal input module
It is connected with the input of power module to be measured, the outfan of described power module to be measured is connected with described Sever module input.
Additionally, also including showing the LED display module of Sever module working condition and being connected with described LED display module
LED driver module, described LED display module is connected in parallel on described power module outlet to be measured, and described LED display drives
The input of module is connected with Sever module.
Described LED display module includes five LED, respectively LED1, LED2, LED3, LED4, LED5.Described Sever
The working condition of module is exported in the way of audio frequency, and Sever module exports broadcasting fixed-audio signal to LED driver module
To drive LED, the bright light quantity of described LED is determined by fixed-audio volume.All light during maximal audio input, with defeated
Enter audio frequency to reduce, the quantity of bright light progressively reduces.
Also include simulating PA signal input module, the release of pressure signal input module of main cabin mode of operation, described PA signal is defeated
Enter module and release of pressure signal input module is connected in parallel on described power module input to be measured.
In this example, PA signal input module is PA signaling switch, realizes PA signal input by light touch switch buttons, conducting
Low level effective；The release of pressure signal input module of this example is release of pressure signaling switch, realizes release of pressure signal by light touch switch buttons
Input, turns on Low level effective, is always maintained at before main power source power-off.
Operation principle of the present utility model is：
When in Power Entry Module input input 18～36V, 3A unidirectional current：
（1）During closure switch K1, electric current passes through ammeter, and switch K1 enters power module to be measured, power supply mould to be measured immediately
Block enters working condition and starts working, and ammeter shows whole circuit total working electric current, and size of current changes with load change,
Voltmeter 1, voltmeter 2, voltmeter 3 shows 0 load voltage of 3 load ends of power module output to be measured respectively；Work as switch
During K2 closure, load 1, load 2, load 3 enters working condition, voltmeter 1, voltmeter 2, and voltmeter 3 shows electricity to be measured respectively
Source module exports the voltage after bringing onto load.
（2）When power module to be measured and load 1, load 2, during load 3 normal work, when disconnecting switch K1, power supply to be measured
Module I N-terminal takes the lead in power-off, OUT terminal delay cut-off, is broken by the time delay that double oscillographs can test out power module OUT terminal
The electric time.
（3）When power module to be measured and load end normal work, when outside, PA is inputted by PA signal input module（Visitor
Cabin information, such as：Notify, broadcast）During signal, export a Sever mould after power module TTL-USB circuit conversion to be measured
The usb signal that block can identify, immediately Sever module preferentially send related PA instruction, and preferential in wireless terminal display
Display notifies the information of passenger.In simulations, the screen of wireless terminal display is showing webpage or is playing video literary composition
During part, when there being PA signal input, the screen of wireless terminal display can at once suspend network browsing or video playback and occur
Information.
（4）When power module to be measured and load end normal work, Sever module all working pattern is in the way of audio frequency
Output, drives LED bright after LED driver module receives corresponding information or goes out, to identify Sever module work at present mould
Formula；This measurement jig Sever module exports broadcasting fixed-audio signal and drives LED to LED driver module；Standard
Fixed-audio signal to overcome the accuracy that normal audio signals change with audio frequency size low, using fixed-audio signal
Input, the bright quantity of direct drive LED；Fixed-audio input signal, all power modules to be measured press same standard testing, do
To standard unification.
（5）Power module to be measured and load end in course of normal operation, when outside defeated by release of pressure signal input module
Enter release of pressure（In emergency circumstances shutdown/pressure release）During signal, power module to be measured stops any instruction that all are being processed, preferentially
Process release of pressure signal, power module to be measured enters off-mode immediately, and is always maintained at this state before main power source power-off.
Wherein,
This utility model has following innovative point：
1. fixed-audio input signal, all power modules press same standard testing, accomplish that standard is unified；
2. in working, arbitrarily switching 0 loads the loaded self-adaptive regulation with 4/5 full load power module；
3. the input of collection audio control signal, PA signal input, release of pressure signal input, load, power-off time delay function gives one
Body；
4. adopt load end same model terminal base, effectively prevent missing inspection and the maloperation of front end and this procedures member.
The specific embodiment of the above is better embodiment of the present utility model, not limits this practicality with this new
Type be embodied as scope, scope of the present utility model includes being not limited to this specific embodiment, all according to this utility model
The equivalence changes made are all in protection domain of the present utility model.
Claims (10)
1. a kind of power module measurement jig, for testing power module to be measured it is characterised in that：Including Power Entry Module,
Ammeter, switch K1, oscillograph, multiple voltmeter and the load connected with voltmeter, are provided between described voltmeter and load
Switch K2, wherein, described Power Entry Module is connected with power module input to be measured by ammeter, described switch K1 setting
Between ammeter and power module to be measured, described oscillograph is connected in parallel on the two ends of described power module to be measured, described electricity to be measured
Source module outfan multiple voltmeters in parallel.
2. power module measurement jig according to claim 1 it is characterised in that：Also include audio signal input module,
Sever module, wireless terminal display, described Power Entry Module is described Sever module, wireless terminal display is powered,
Described Sever module is connected with the input of described audio signal input module and described wireless terminal display respectively, described
The outfan of audio signal input module is connected with the input of power module to be measured, the outfan of described power module to be measured with
Described Sever module input is connected.
3. power module measurement jig according to claim 2 it is characterised in that：Also include showing the work of Sever module
The LED display module of state and the LED driver module being connected with described LED display module, described LED display module is in parallel
In described power module outlet to be measured, the input of described LED driver module is connected with Sever module.
4. power module measurement jig according to claim 3 it is characterised in that：Described LED display module includes five
LED.
5. power module measurement jig according to claim 4 it is characterised in that：The working condition of described Sever module
Exported in the way of audio frequency, Sever module exports broadcasting fixed-audio signal to drive LED to LED driver module, institute
The bright light quantity stating LED is determined by fixed-audio volume.
6. power module measurement jig according to claim 3 it is characterised in that：Also include PA signal input module, release
Pressure signal input module, described PA signal input module and release of pressure signal input module are connected in parallel on described power module input to be measured
End.
7. power module measurement jig according to claim 6 it is characterised in that：When inputting PA signal, PA signal warp
The TTL-USB circuit conversion crossing power module to be measured is input to Sever module for usb signal, and Sever module is sent out after treatment
Show to wireless terminal display.
8. power module measurement jig according to claim 6 it is characterised in that：When inputting release of pressure signal, electricity to be measured
Source module stops any instruction that all are being processed, priority treatment release of pressure signal, power module entrance shutdown shape to be measured immediately
State, and it is always maintained at this state before main power source power-off.
9. the power module measurement jig according to any one of claim 1-8 it is characterised in that：Described load for load electricity
Resistance.
10. power module measurement jig according to claim 9 it is characterised in that：Described voltmeter and load resistance
Quantity is respectively 3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838315.8U CN205958728U (en) | 2016-08-03 | 2016-08-03 | Power module test fixture |
| PCT/CN2017/084241 WO2018024008A1 (en) | 2016-08-03 | 2017-05-12 | Power supply module test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838315.8U CN205958728U (en) | 2016-08-03 | 2016-08-03 | Power module test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958728U true CN205958728U (en) | 2017-02-15 |
Family
ID=57973981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620838315.8U Expired - Fee Related CN205958728U (en) | 2016-08-03 | 2016-08-03 | Power module test fixture |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205958728U (en) |
| WO (1) | WO2018024008A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656217A (en) * | 2017-08-31 | 2018-02-02 | 阜阳扬宇充电设备有限公司 | A kind of power module production measurement jig |
| WO2018024008A1 (en) * | 2016-08-03 | 2018-02-08 | 深圳喜乐航科技有限公司 | Power supply module test jig |
| CN109884551A (en) * | 2017-12-01 | 2019-06-14 | 神讯电脑(昆山)有限公司 | DC-DC power supply board test device |
| CN110908424A (en) * | 2019-12-06 | 2020-03-24 | 北京小马智行科技有限公司 | Load regulation rate test method and device and nonvolatile storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201965172U (en) * | 2011-03-14 | 2011-09-07 | 许芳 | Novel power voltage detection device |
| CN201917645U (en) * | 2011-04-13 | 2011-08-03 | 北京铁通康达铁路通信信号设备有限公司 | Power module test device for railroad signal power supply screen |
| CN103713197A (en) * | 2012-09-29 | 2014-04-09 | 丹纳赫（上海）工业仪器技术研发有限公司 | Cell tester |
| CN203759221U (en) * | 2013-11-21 | 2014-08-06 | 上海沪工焊接集团股份有限公司 | Cutting power supply testing device and main circuit thereof |
| CN205958728U (en) * | 2016-08-03 | 2017-02-15 | 深圳喜乐航科技有限公司 | Power module test fixture |
-
2016
- 2016-08-03 CN CN201620838315.8U patent/CN205958728U/en not_active Expired - Fee Related
-
2017
- 2017-05-12 WO PCT/CN2017/084241 patent/WO2018024008A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024008A1 (en) * | 2016-08-03 | 2018-02-08 | 深圳喜乐航科技有限公司 | Power supply module test jig |
| CN107656217A (en) * | 2017-08-31 | 2018-02-02 | 阜阳扬宇充电设备有限公司 | A kind of power module production measurement jig |
| CN109884551A (en) * | 2017-12-01 | 2019-06-14 | 神讯电脑(昆山)有限公司 | DC-DC power supply board test device |
| CN110908424A (en) * | 2019-12-06 | 2020-03-24 | 北京小马智行科技有限公司 | Load regulation rate test method and device and nonvolatile storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018024008A1 (en) | 2018-02-08 |
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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: 20170215 Termination date: 20190803 |