CN201804061U - Current temperature rise detection device for copper foil of circuit board - Google Patents
Current temperature rise detection device for copper foil of circuit board Download PDFInfo
- Publication number
- CN201804061U CN201804061U CN2010205130884U CN201020513088U CN201804061U CN 201804061 U CN201804061 U CN 201804061U CN 2010205130884 U CN2010205130884 U CN 2010205130884U CN 201020513088 U CN201020513088 U CN 201020513088U CN 201804061 U CN201804061 U CN 201804061U
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- CN
- China
- Prior art keywords
- copper foil
- temperature rise
- circuit board
- detection device
- lead
- 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
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Abstract
The utility model relates to a current temperature rise detection device or a copper foil of a circuit board, which is suitable for evaluating the thicknesses of different copper foils and the withstand current value of the copper foil under the production process. The current temperature rise detection device comprises a direct current regulated power supply, an ammeter arranged between a positive terminal of the direct current regulated power supply and one end of a surface copper foil lead on the circuit board and a variable resistance arranged between a negative terminal of the direct current regulated power supply, and the other end of the surface copper foil lead on the circuit board. A thermocouple is arranged on the surface copper foil lead, and the clod end thereof is connected with a temperature display. In the current temperature rise detection device for the copper foil of the circuit board, the direct current regulated power supply, the ammeter, the variable resistance as load, the thermocouple and the temperature display are combined for use to detect the withstand current value of the copper foils with different thicknesses and different widths. Particularly, the temperature rise of the copper foils under different currents can be detected by the thermocouple connected in the middle of the copper foil lead, thereby providing reliable reference data for the improvement of production process, circuit design and copper foil research.
Description
Technical field
The utility model relates to a kind of wiring board Copper Foil electric current temperature rise pick-up unit.
Background technology
In the printed wiring board, Copper Foil forms the Copper Foil lead after technologies such as printing figures, etching, plating, because the difference of circuit function has different electric currents and flows in the circuit, little electric current can use tiny lead, big electric current need select thick and wide Copper Foil lead.And the sectional area of safety current that can pass through in the Copper Foil lead and lead, copper purity are relevant, in order to obtain the anti-current value of different Copper Foils, must carry out the Copper Foil current testing, evaluate the anti-current value of Copper Foil under different copper thicknesses, the production technology, so just can make things convenient for the wiring board designer to design satisfactory copper thickness and line width according to circuit requirement.
Lack corresponding wiring board Copper Foil electric current temperature rise pick-up unit in the prior art.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of wiring board Copper Foil electric current temperature rise pick-up unit that is applicable to the anti-current value of Copper Foil under the different copper thicknesses of evaluation, the production technology.
For solving the problems of the technologies described above, the utility model provides a kind of wiring board Copper Foil electric current temperature rise pick-up unit, and it comprises: the variable resistor between the other end of the reometer between the end of the surperficial Copper Foil lead on constant voltage dc source, the positive terminal of being located at constant voltage dc source and the wiring board, the negative pole end of being located at constant voltage dc source and described surperficial Copper Foil lead; Described surperficial Copper Foil lead is provided with thermopair, and the cold junction of thermopair is connected with temperature indicator.
Good effect of the present utility model: wiring board Copper Foil electric current temperature rise pick-up unit of the present utility model, D.C. regulated power supply, reometer, variable resistor, thermopair and temperature indicator as load are used in combination, to measure the anti-current value of different-thickness, different in width Copper Foil.Specifically be the temperature rise that detects Copper Foil under the different electric currents by the thermopair that is connected Copper Foil lead central authorities, thereby for improving production technology, circuit design, Copper Foil research provide reliable reference data.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of the wiring board Copper Foil electric current temperature rise pick-up unit among the embodiment.
Embodiment
See Fig. 1, the wiring board Copper Foil electric current temperature rise pick-up unit of present embodiment comprises: the variable resistor 5 between the other end of the reometer 2 between the end of the surperficial Copper Foil lead 4 on constant voltage dc source 1, the positive terminal of being located at constant voltage dc source 1 and the wiring board 3, the negative pole end of being located at constant voltage dc source 1 and described surperficial Copper Foil lead 4; Described surperficial Copper Foil lead 4 is provided with thermopair 6, and the cold junction of thermopair 6 is connected with temperature indicator 7.
The foregoing description only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.
Claims (1)
1. a wiring board Copper Foil electric current temperature rise pick-up unit is characterized in that comprising: the variable resistor (5) between the other end of the reometer (2) between the end of the surperficial Copper Foil lead (4) on constant voltage dc source (1), the positive terminal of being located at constant voltage dc source (1) and the wiring board (3), the negative pole end of being located at constant voltage dc source (1) and described surperficial Copper Foil lead (4); Described surperficial Copper Foil lead (4) is provided with thermopair (6), and the cold junction of thermopair (6) is connected with temperature indicator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205130884U CN201804061U (en) | 2010-09-01 | 2010-09-01 | Current temperature rise detection device for copper foil of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205130884U CN201804061U (en) | 2010-09-01 | 2010-09-01 | Current temperature rise detection device for copper foil of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804061U true CN201804061U (en) | 2011-04-20 |
Family
ID=43873564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205130884U Expired - Fee Related CN201804061U (en) | 2010-09-01 | 2010-09-01 | Current temperature rise detection device for copper foil of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431427A (en) * | 2017-03-17 | 2019-11-08 | 三洋电机株式会社 | Current detector |
| CN114184860A (en) * | 2021-11-26 | 2022-03-15 | 深圳市汇北川电子技术有限公司 | Test method for testing current resistance of copper bar riveting terminal |
-
2010
- 2010-09-01 CN CN2010205130884U patent/CN201804061U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431427A (en) * | 2017-03-17 | 2019-11-08 | 三洋电机株式会社 | Current detector |
| CN114184860A (en) * | 2021-11-26 | 2022-03-15 | 深圳市汇北川电子技术有限公司 | Test method for testing current resistance of copper bar riveting terminal |
| CN114184860B (en) * | 2021-11-26 | 2023-11-14 | 深圳市汇北川电子技术有限公司 | Test method for testing current resistance of copper bar riveting terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20130901 |