CN208672721U - A kind of circuit aging test power supply jig - Google Patents
A kind of circuit aging test power supply jig Download PDFInfo
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- CN208672721U CN208672721U CN201821219734.9U CN201821219734U CN208672721U CN 208672721 U CN208672721 U CN 208672721U CN 201821219734 U CN201821219734 U CN 201821219734U CN 208672721 U CN208672721 U CN 208672721U
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- power supply
- cathode output
- output end
- cathode
- supply line
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Abstract
It powers jig the utility model discloses a kind of circuit aging test comprising power supply pcb board is provided with positive power supply line and cathode power supply line on power supply pcb board；Positive power supply line includes centrally located electrode input end and several cathode output ends；Each cathode output end is looped around around the electrode input end；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with electrode input end；The cathode power supply line includes centrally located negative input and several cathode output ends；Each cathode output end is looped around around negative input；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with the negative input.The utility model has the advantages that: the burn-in test power supply of applicable various electronic solves the drawbacks of existing jig can not provide identical aging condition, while optimizing route, improves the working efficiency of operator.
Description
Technical field
The utility model belongs to Electronic Testing field, and in particular to a kind of circuit aging test power supply jig.
Background technique
As shown in Figure 1, the equipment of batch production when aging, understands multiple devices aging together.It generally will not be every
A power-supply device is provided separately in platform equipment, and not only cost is big but also operating difficulties like that, and space occupied is big, is unfavorable for managing,
So can be attached by burn-in test power supply jig with equipment using the power supply of a high current.
Existing burn-in test power supply jig is using linear type parallel operation, and supply terminals is at one end or intermediate, then
Plug-in socket is welded in each position for needing to connect equipment, has directly been connected by welding between each plug-in socket with conducting wire
Come.
Existing burn-in test power supply jig processing is more convenient, and in use relatively flexibly, can set to more
It is standby to be powered, but bonding wire is more and exposed.
When multiple devices carry out aging, it is necessary to assure the ageing environment of all devices is consistent, and ageing environment is mainly wrapped
The conditions such as temperature, humidity, power supply are included, temperature and humidity environment locating for general device aging is consistent, but is set for every
The standby supply voltage provided is extremely difficult to unanimously, and existing aging power supply jig there is this situation, this phenomenon is caused to go out
There are many existing reason, and concrete reason is as follows:
A. solder joint is too many, and whether the welding quality that not can guarantee each solder joint is consistent.
B. it connects the wire rod between each socket to be difficult to be consistent, and is easy aging, become so as to cause resistance value
Change.
C. the mode of linear parallel connection, when any one socket provides power supply, intermediate and end plug-in socket and power supply
Between can pass through multiple sockets and conducting wire, and the impedance that these conducting wires and socket generate has very big deviation, so every sets
Standby aging voltage can great changes have taken place.
Summary of the invention
The purpose of this utility model is to provide a kind of circuit aging test power supply according to above-mentioned the deficiencies in the prior art place
Jig, the circuit aging test power supply jig realize the consistency power supply of circuit to be tested using novel power supply mode.
The utility model aim realization is completed by following technical scheme:
A kind of circuit aging test power supply jig comprising pcb board of powering is provided with positive confession on the power supply pcb board
Electric line and cathode power supply line；
The anode power supply line includes centrally located electrode input end and several cathode output ends；It is each described
Cathode output end is looped around around the electrode input end, and the electrode input end is located at each cathode output end and encompasses
The circular center of circle；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with the electrode input end；
The cathode power supply line includes centrally located negative input and several cathode output ends；It is each described
Cathode output end is looped around around the negative input, and the negative input is located at each cathode output end and encompasses
The circular center of circle；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with the negative input.
In the positive power supply line, each bar shaped copper foil for connecting the cathode output end and the electrode input end is equal
Width having the same, and radially distributed centered on the electrode input end.
In each bar shaped copper foil in the cathode power supply line, connecting the cathode output end Yu the negative input
Identical width is all had, and is radially distributed centered on the negative input.
Each cathode output end includes a plug-in socket and pad, the pad and the bar shaped copper foil
End connection；The plug-in socket is connect with the pad by scolding tin.
Each cathode output end includes a plug-in socket and pad, the pad and the bar shaped copper foil
End connection；The plug-in socket is connect with the pad by scolding tin.
Cathode output end in the number of cathode output end described in the anode power supply line and the cathode power supply line
Number it is identical.
The utility model has the advantages that: tailored appearance is generous, widely applicable, the burn-in test of applicable various electronic
Power supply.It solves the drawbacks of existing jig can not provide identical aging condition, while optimizing route, improve operator's
Working efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of circuit aging test power supply jig in the prior art；
Fig. 2 is the schematic diagram of circuit aging test power supply jig in the utility model.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Embodiment: as shown in Fig. 2, the present embodiment is more particularly to a kind of circuit aging test power supply jig comprising power supply
Pcb board 1, power pcb board 1 on be provided with positive power supply line 2 and cathode power supply line 9.
Specifically, positive power supply line 2 includes centrally located electrode input end 3 and 10 cathode output ends 4.Respectively
Cathode output end 4 is looped around around electrode input end 3, electrode input end 3 be located at each cathode output end 4 encompass it is circular
The center of circle.Each cathode output end 4 is connect by the bar shaped copper foil 5 on power supply pcb board 1 with electrode input end 3.
In the present embodiment, in positive power supply line 2, each bar shaped copper foil 5 of cathode output end 4 and electrode input end 3 is connected
Identical width is all had, and is radially distributed centered on electrode input end 3.This makes each cathode output end 4 and anode
Impedance having the same between input terminal 3.
Each cathode output end 4 includes a plug-in socket and pad.Pad is connect with the end of bar shaped copper foil 5；It takes
Electrical socket is connect with pad by scolding tin.In the present embodiment, each bar shaped copper foil 5 and pad are all made of PCB technology processing procedure, have
Good consistency, so that each cathode output end 4 can export identical voltage.
Specifically, cathode power supply line 9 includes centrally located negative input 10 and 10 cathode output ends 11.
Each cathode output end 11 is looped around around negative input 10, and negative input 10 is located at what each cathode output end 11 encompassed
The circular center of circle.Each cathode output end 11 is connect by the bar shaped copper foil 12 on power supply pcb board 1 with negative input 10.
In the present embodiment, in cathode power supply line 9, each bar shaped copper foil of cathode output end 11 and negative input 10 is connected
12 all have identical width, and are radially distributed centered on negative input 10.This make each cathode output end 11 with
Impedance having the same between negative input 10.
Each cathode output end 11 includes a plug-in socket and pad.Pad is connect with the end of bar shaped copper foil 12；
Plug-in socket is connect with pad by scolding tin.In the present embodiment, each bar shaped copper foil 12 and pad are all made of PCB technology processing procedure,
With good consistency, so that each cathode output end 11 can export identical voltage.
Electrode input end 3 and negative input 10 can be welded to the power supply base on pad, be also possible to exposed
Pad.The pad of electrode input end 3 and negative input 10 is located at positive power supply line 2 and cathode power supply line 9
Center.
It originally is born in the number of cathode output end 4 described in positive power supply line 2 and cathode power supply line 9 in embodiment
The number of pole output end 11 is identical.Positive power supply line 2 is identical as the size of cathode power supply line 9 simultaneously.
In use, electrode input end 3 is connect with the anode and cathode of power supply respectively with negative input 10；It uses simultaneously
Each equipment to be tested is connected to cathode output end 4 and cathode output end respectively by isometric conducting wire；Each cathode output
End 11 and cathode output end 4 can only connect a conducting wire.Without being inserted by any between each plug-in socket and power supply base
Seat or solder joint, centre will not generate excessive uncontrollable impedance variables, to reach electricity of the every equipment in ageing process
Pressure ring border is consistent, to guarantee that the aging quality of every equipment to be tested is able to maintain unanimously.
The advantageous effects of the present embodiment are as follows: tailored appearance is generous, widely applicable, applicable various electronic it is old
Change test power supply.It solves the drawbacks of existing jig can not provide identical aging condition, while optimizing route, improve operation
The working efficiency of personnel.
Claims (6)
- The jig 1. a kind of circuit aging test is powered, it is characterised in that including pcb board of powering, be provided on the power supply pcb board Positive power supply line and cathode power supply line；The anode power supply line includes centrally located electrode input end and several cathode output ends；Each anode Output end is looped around around the electrode input end, and the electrode input end is located at the circle that each cathode output end encompasses The center of circle of shape；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with the electrode input end；The cathode power supply line includes centrally located negative input and several cathode output ends；Each cathode Output end is looped around around the negative input, and the negative input is located at the circle that each cathode output end encompasses The center of circle of shape；The bar shaped copper foil that each cathode output end passes through on power supply pcb board is connect with the negative input.
- The jig 2. the circuit aging test of one kind according to claim 1 is powered, it is characterised in that in the positive supply lines Lu Zhong, each bar shaped copper foil for connecting the cathode output end and the electrode input end all have identical width, and with described It radially distributes centered on electrode input end.
- The jig 3. the circuit aging test of one kind according to claim 1 is powered, it is characterised in that in the cathode supply lines Lu Zhong, each bar shaped copper foil for connecting the cathode output end and the negative input all have identical width, and with described It radially distributes centered on negative input.
- The jig 4. the circuit aging test of one kind according to claim 1 is powered, it is characterised in that each anode is defeated Outlet includes a plug-in socket and pad, and the pad is connect with the end of the bar shaped copper foil；The plug-in socket with The pad is connected by scolding tin.
- The jig 5. the circuit aging test of one kind according to claim 1 is powered, it is characterised in that each cathode is defeated Outlet includes a plug-in socket and pad, and the pad is connect with the end of the bar shaped copper foil；The plug-in socket with The pad is connected by scolding tin.
- The jig 6. the circuit aging test of one kind according to claim 1 is powered, it is characterised in that the anode power supply line Described in cathode output end number it is identical as the number of cathode output end in the cathode power supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219734.9U CN208672721U (en) | 2018-07-27 | 2018-07-27 | A kind of circuit aging test power supply jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219734.9U CN208672721U (en) | 2018-07-27 | 2018-07-27 | A kind of circuit aging test power supply jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672721U true CN208672721U (en) | 2019-03-29 |
Family
ID=65832943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821219734.9U Active CN208672721U (en) | 2018-07-27 | 2018-07-27 | A kind of circuit aging test power supply jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672721U (en) |
-
2018
- 2018-07-27 CN CN201821219734.9U patent/CN208672721U/en active Active
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