CN205786910U - 2KBB rectifier bridge power aging board - Google Patents
2KBB rectifier bridge power aging board Download PDFInfo
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- CN205786910U CN205786910U CN201620513764.5U CN201620513764U CN205786910U CN 205786910 U CN205786910 U CN 205786910U CN 201620513764 U CN201620513764 U CN 201620513764U CN 205786910 U CN205786910 U CN 205786910U
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Abstract
This utility model relates to a kind of 2KBB rectifier bridge power aging board, including exchange end A, exchange end B, power positive end, power supply negative terminal, protective tube, load resistance and working area；External power source accesses the positive and negative end of power supply through protective tube；Described working area is made up of the test loop of multiple parallel connections, and the positive and negative end of power supply is connected with each loop exchange end A, B through protective tube, and each described test loop is made up of the test station of a number of series connection；Each described test station by corresponding 2KBB rectifier bridge "+", " " end connects；Exchange end A is connected with the first exchange end of first test station in described test loop, second exchange end of this test station is connected with the first exchange end of next test station, by that analogy, second exchange end of last test station is connected with exchange end B by load resistance, thus constitutes a test loop, road；By wire jumper between plate, it is possible to achieve certain amount of 2KBB rectifier bridge is carried out power aging test.
Description
Technical field
This utility model relates to reliability of electronic components technical field of measurement and test, and being specifically related to one can be to 2KBB
Carry out the circuit board of power ageing experiment, i.e. 2KBB rectifier bridge power aging board.
Background technology
Ageing experiment can shorten the time of device initial failure, can fully expose the inefficacy of the device overwhelming majority
Mechanism, is the effective measures improving device reliability, owing to 2KBB rectifier bridge reversed bias voltage is high, output electricity
Stream is big, packing forms is special and enclosed inside has 4 commutation diodes, therefore carries out 2KBB rectifier bridge
Power aging test difficulty is big, and traditional method can only realize the power ageing of the 2KBB rectifier bridge of small lot
Test, and operational approach is loaded down with trivial details, poor reliability, the reliability not being suitable for high-volume 2KBB rectifier bridge is surveyed
Examination, the dependability of 2KBB rectifier bridge cannot meet and is actually needed.
Utility model content
In view of this, the purpose of this utility model is to provide one can carry out 2KBB rectifier bridge simultaneously
The circuit of power ageing experiment, improves and large batch of 2KBB rectifier bridge is carried out power aging test in high volume
Efficiency.
The 2KBB rectifier bridge power aging board that this utility model provides includes exchanging end A, exchange end B, electricity
Source anode, power supply negative terminal, protective tube, load resistance and working area；Described working area is by the examination of multiple parallel connections
Testing loop composition, each described test loop is made up of the test station of a number of series connection；Every two-way phase
The arrangement of spacing laterally staggered, big is used, it is ensured that each test station has good between adjacent described test loop
Good radiating effect；Each described test station can install one piece of 2KBB rectifier bridge, and described test station will
Corresponding 2KBB rectifier bridge "+" end is connected with "-" end；External power source accesses the positive and negative end of power supply, described
The positive and negative end of power supply is connected with exchange end A, B of each test loop respectively through protective tube；Each described examination
Test the first exchange end connection exchanging end A and first test station in loop, the second of this test station
Exchange end is connected with the first exchange end of next test station, and by that analogy, last tests the of station
Two exchange ends are connected with exchange end B by load resistance, thus constitute a test loop, road；If need to be to not
Foot one experimental loop in station quantity 2KBB rectifier bridge carry out power aging test, only need by
2KBB rectifier bridge is installed in front several test station in order, by whole for last block 2KBB in above-mentioned
Second exchange end of stream bridge is connected with exchange end B through load resistance by wire jumper, thus realizes certain number
The 2KBB rectifier bridge of amount carries out power aging test simultaneously.
According to described 2KBB rectifier bridge power aging board, in order to strengthen heat conduction and the heat-sinking capability of station,
2KBB rectifier bridge is fastened with embracing formula Spring clip, increases pad on 2KBB rectifier bridge power aging board
With width and the thickness of lead-in wire, increasing heat radiation area, improve radiating effect.
According to described 2KBB rectifier bridge power aging board, on described 2KBB rectifier bridge power aging board
The arrangement of spacing laterally staggered, big is used, it is ensured that air channel leads between the described test loop that every two-way is adjacent
Freely, it is achieved preferably cooling effect.
This utility model 2KBB rectifier bridge power aging board simple in construction, easy and simple to handle, reliable, energy
Enough realization carries out power aging test to the 2KBB rectifier bridge of high-volume and flexible number simultaneously, change with
Toward small lot, the multiple batches of situation repeating test can only be carried out, substantially increase 2KBB rectifier bridge at batch
Test efficiency during producing and using.
Accompanying drawing explanation
Fig. 1 is 2KBB rectifier bridge structure chart；
Fig. 2 is this utility model 2KBB rectifier bridge power aging board structural representation；
Fig. 3 is 2KBB rectifier bridge power aging test step one schematic diagram；
Fig. 4 is 2KBB rectifier bridge power aging test step 2 schematic diagram.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, enter below in conjunction with accompanying drawing
Row explanation.
As it is shown in figure 1, be 2KBB rectifier bridge structure chart, from left to right pin is followed successively by: "-" input,
First exchange end, "+" input, the second exchange end.
As in figure 2 it is shown, respectively this utility model 2KBB rectifier bridge power aging board structural representation, figure
Example is tested the station pin A-D respectively corresponding "-" input of 2KBB rectifier bridge, the first exchange end, "+"
Input, the second exchange end, 2KBB rectifier bridge is installed on each test station according to corresponding pin；Every two
The arrangement of spacing laterally staggered, big is used, it is ensured that each test station has good between the test loop that road is adjacent
Good radiating effect；Each test station by corresponding 2KBB rectifier bridge "+", "-" end connect, power supply is just
Hold and be connected with each test loop exchange end A through protective tube, each test loop exchange end A and this test loop
First exchange end of first order 2KBB rectifier bridge connects, the second exchange termination of this grade of 2KBB rectifier bridge
Enter the first exchange end of next stage 2KBB rectifier bridge, the second exchange end of afterbody 2KBB rectifier bridge
Receive exchange end B, exchange end B by load resistance to be connected with power supply negative terminal.
As it is shown on figure 3, be 2KBB rectifier bridge power aging test step one schematic diagram, by each station 2KBB
Rectifier bridge "+", "-" end short circuit, the first exchange end of positive source and first order 2KBB rectifier bridge is connected,
Second exchange of this grade of 2KBB rectifier bridge terminates the first exchange end into next stage 2KBB rectifier bridge,
Second exchange end of rear stage 2KBB rectifier bridge receives power cathode by load resistance, then electric current in test
The flow direction is: positive source first order 2KBB rectifier bridge diode D1 first order 2KBB rectifier bridge two
Pole pipe D4 next stage 2KBB rectifier bridge diode D1 next stage 2KBB rectifier bridge diode D4
... afterbody 2KBB rectifier bridge diode D4 load resistance power cathode, thus realize right
Internal body diodes D1 of 2KBB rectifier bridges at different levels and the power aging test of D4 in one test loop.
As shown in Figure 4, for 2KBB rectifier bridge power aging test step 2 schematic diagram, 2KBB is whole
Power supply positive and negative electrode reversal connection in stream bridge power aging test step one, thus realize in a test loop
Internal body diodes D2 of 2KBB rectifier bridges at different levels and the power aging test of D3.
By shown in Fig. 3, Fig. 4 two steps, complete each 2KBB rectifier bridge to a test loop
Power aging test.
In the embodiment shown in Figure 2,4 test station series connection, in parallel the setting in 8 test loops, tunnel are used
Meter mode, it is possible to simultaneously carry out the power aging test of most 32 2KBB rectifier bridges；Before test, will
2KBB rectifier bridge is separately mounted on the test station of correspondence, if 2KBB rectifier bridge number in certain primary Ioops
Less than 4, then the second exchange end of last station is taken back exchange end B by wire jumper through load resistance；
Switch on power, carry out a test, then by reverse power connection, carry out second time and test, tested by two steps,
Complete the power aging test once to all 2KBB rectifier bridges.
Those of ordinary skill in the field it is understood that the discussion of any of the above embodiment is exemplary only,
It is not intended to imply that the scope of the present disclosure (including claim) is limited to these examples；At this utility model
Thinking under, can also be combined between the technical characteristic in above example or different embodiment, and
There is other change of many of different aspect of the present utility model as above, in order to concisely they do not exist
Details provides.Therefore, all within spirit of the present utility model and principle, any omission of being done, repair
Change, equivalent, improvement etc., within should be included in protection domain of the present utility model.
Claims (5)
1. a 2KBB rectifier bridge power aging board, including exchange end A, exchange end B, power positive end,
Power supply negative terminal, protective tube, load resistance and working area；External power source passes through power positive end and power supply negative terminal warp
Protective tube introduces described 2KBB rectifier bridge power aging board；Described working area is by the test loop of multiple parallel connections
Composition, each described test loop is made up of the test station of a number of series connection；Described load resistance string
It is associated in each test loop.
2KBB rectifier bridge power aging board the most according to claim 1, it is characterised in that each
Described test station can install one piece of 2KBB rectifier bridge, and described test station is by corresponding 2KBB rectification
Bridge "+" end be connected with "-" end；First exchange end of exchange end A and first test station connects, this examination
First exchange end of the second exchange end and next test station of testing station is connected, by that analogy, and last
Second exchange end of test station is connected with exchange end B through load resistance, thus constitutes a test loop, road.
2KBB rectifier bridge power aging board the most according to claim 1, it is characterised in that pass through
Wire jumper between plate, it is possible to achieve certain amount of 2KBB rectifier bridge is carried out power aging test.
2KBB rectifier bridge power aging board the most according to claim 1, it is characterised in that increase
On 2KBB rectifier bridge power aging board, pad and the width of lead-in wire and thickness, use and embrace the fastening of formula Spring clip
Determine 2KBB rectifier bridge.
2KBB rectifier bridge power aging board the most according to claim 1, it is characterised in that every two
The arrangement of spacing laterally staggered, big is used between the test loop that road is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513764.5U CN205786910U (en) | 2016-05-31 | 2016-05-31 | 2KBB rectifier bridge power aging board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513764.5U CN205786910U (en) | 2016-05-31 | 2016-05-31 | 2KBB rectifier bridge power aging board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786910U true CN205786910U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620513764.5U Active CN205786910U (en) | 2016-05-31 | 2016-05-31 | 2KBB rectifier bridge power aging board |
Country Status (1)
| Country | Link |
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| CN (1) | CN205786910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346705A (en) * | 2019-07-23 | 2019-10-18 | 西安伟京电子制造有限公司 | Ageing device and its ageing method for H-bridge circuit |
| CN114094885A (en) * | 2020-07-30 | 2022-02-25 | 中国电子科技集团公司第二十四研究所 | Current multiplexing aging circuit and method for brush motor driver |
-
2016
- 2016-05-31 CN CN201620513764.5U patent/CN205786910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346705A (en) * | 2019-07-23 | 2019-10-18 | 西安伟京电子制造有限公司 | Ageing device and its ageing method for H-bridge circuit |
| CN114094885A (en) * | 2020-07-30 | 2022-02-25 | 中国电子科技集团公司第二十四研究所 | Current multiplexing aging circuit and method for brush motor driver |
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| GR01 | Patent grant |