CN101984329B - Method and device for obtaining weight of copper wire used for inductor - Google Patents
Method and device for obtaining weight of copper wire used for inductor Download PDFInfo
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- CN101984329B CN101984329B CN2010105375706A CN201010537570A CN101984329B CN 101984329 B CN101984329 B CN 101984329B CN 2010105375706 A CN2010105375706 A CN 2010105375706A CN 201010537570 A CN201010537570 A CN 201010537570A CN 101984329 B CN101984329 B CN 101984329B
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- inductance
- copper cash
- weight
- sectional area
- value
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Abstract
The invention relates to a method for obtaining the weight of copper wire used for an inductor, comprising the following steps: applying DC voltage of set value on the inductor; obtaining the value of current flowing on the inductor; obtaining the wire diameter of the copper wire used for the inductor; processing obtained data; and obtaining the weight value of the copper wire used for the inductance, and displaying. The invention also relates to a device for obtaining the weight of copper wire used for the inductor. The method and the device for obtaining weight of copper wire used by the inductor of the invention have the following beneficial effect: because DC voltage is directly applied on the inductor, the DC resistance of the inductor is obtained; meanwhile, the wire diameter of the copper wire is chosen, the length and the weight of the copper wire are calculated and displayed, and the obtained weight number is more accurate and convenient to operate.
Description
Technical field
The present invention relates to obtaining and handling of data, more particularly, relate to a kind of method and device that inductance uses copper cash weight of obtaining.
Background technology
In the design of inductance, production run, need calculate the copper cash weight that inductance uses, this is not only from the needs to the inductance cost estimation, and simultaneously, the preparation for material also has positive meaning with control in the production run for getting into.Because the inductance of a certain model copper wire diameter after design and when producing is fixed, as long as therefore learn the weight of a used copper cash of inductance, just can draw the length of its use copper cash.For copper cash, weight is to judge an important indicator of its price.In the prior art, normally make tens inductance finished products, take by weighing its finished weight, deduct the weight of other non-copper cash materials again, obtain the general assembly (TW) of copper cash,, obtain the used copper cash weight of each inductance divided by the inductance number.The inductance copper cash weight that this method obtains is not only not too accurate, and its step is comparatively loaded down with trivial details, and is not too convenient.
Summary of the invention
The technical matters that the present invention will solve is, to the The above results out of true of prior art, the defective of inconvenient operation, a kind of result is comparatively accurate, operation obtains inductance use copper cash weight comparatively easily method and device is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of method that inductance uses copper cash weight that obtains, comprise the steps:
A) DC voltage of setting value in addition on inductance;
B) obtain the current value that flows through on the said inductance;
C) obtain the line footpath of the copper cash that said inductance uses;
D) handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that said inductance uses.
Obtain in the method that inductance uses copper cash weight said step B of the present invention) in further comprise: through magnitude of voltage on the said inductance and current value, calculate its resistance value.
Obtain in the method that inductance uses copper cash weight said step C of the present invention) in further comprise: through selected line footpath, calculate the cross-sectional area of said copper cash.
Obtain in the method that inductance uses copper cash weight said step D of the present invention) in further comprise:
D1), calculate the length that said inductance uses copper cash according to resistance value and the copper cash cross-sectional area obtained;
D2), obtain the weight that said inductance uses copper cash according to said copper cash cross-sectional area and length thereof.
The invention still further relates to a kind of device that inductance uses copper cash weight of obtaining, comprising:
DC voltage generation module: be used on inductance the DC voltage of setting value in addition;
Electric current is obtained module: be used to obtain the current value that flows through on the said inductance;
Line is directly selected module: the line footpath that is used to obtain the copper cash that said inductance uses;
Weight obtains and display module: handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that said inductance uses.
Obtain in the device that inductance uses copper cash weight of the present invention, said electric current is obtained in the module and is further comprised:
Resistance value computing unit: be used for calculating its resistance value through magnitude of voltage on the said inductance and current value.
Obtain in the device that inductance uses copper cash weight of the present invention, said line is directly obtained in the module and is further comprised:
Cross-sectional area computing unit: be used for calculating the cross-sectional area of said copper cash through selected line footpath.
Obtain in the device that inductance uses copper cash weight of the present invention, said weight obtain and display module in further comprise:
Length computation unit: be used for calculating the length that said inductance uses copper cash according to resistance value and the copper cash cross-sectional area obtained;
Weight computing unit: be used for obtaining the weight that said inductance uses copper cash according to said copper cash cross-sectional area and length thereof.
The method and the device of obtaining inductance use copper cash weight of embodiment of the present invention; Has following beneficial effect: owing to directly inductance is applied DC voltage; Obtain the direct current resistance of inductance, simultaneously, select the line footpath of copper cash; Calculate its copper cash length and weight and show, so the weight numerical value of obtaining is comparatively accurate, easy to operate.
Description of drawings
Fig. 1 is that the present invention obtains the method for inductance use copper cash weight and installs method flow diagram among the embodiment;
Fig. 2 is the structural representation that installs among the said embodiment.
Embodiment
To combine accompanying drawing that the embodiment of the invention is described further below.
As shown in Figure 1, to obtain in the method and device embodiment of inductance use copper cash weight in the present invention, this is obtained inductance and uses method of copper cash weight to comprise the steps:
Step S11 produces and is applying the setting DC voltage on the inductance: in this step, produce a DC voltage, and this DC voltage is applied to the inductance two ends, and the magnitude of voltage of this DC voltage is certain.In this enforcement; The DC voltage that produces a 5V is added on the above-mentioned inductance; And this DC voltage is arranged on the inner current-limiting resistance of measurement mechanism through one and is added on the inductance, because this current-limiting resistance value fixes, therefore; The resistance that only need after obtaining the direct current resistance of inductance, deduct this current-limiting resistance can obtain inductance dc resistance accurately, but the existence of this current-limiting resistance makes entire measuring device have higher security and reliability.In the present embodiment, the DC voltage of above-mentioned given voltage value is exported through a pulse producer, as long as this pulse producer of control is exported high level and in measuring process, keep being somebody's turn to do output always.
Step S12 obtains the current value on the inductance: because above-mentioned DC voltage is added on the inductance, have DC current on the inductance, in this step, measure the DC current on the above-mentioned inductance and obtain its value.
The direct current resistance of step S13 calculating inductance: through above-mentioned two steps; DC voltage and DC current on the above-mentioned inductance have been learnt; DC voltage on the above-mentioned inductance can calculate through the DC voltage of DC current values and current-limiting resistance value and setting and obtain; In this step, and ohm theorem obtains the direct current resistance of tested inductance.
Step S14 selection copper cash line footpath: in this step, the line footpath of selecting above-mentioned inductance to use copper cash, in the present embodiment, above-mentioned copper cash line footpath (being the diameter of copper cash) is to import through the button that is arranged on the inductance measurement device.Certainly, in other embodiments, also can various lines directly be presented on the display screen of measurement mechanism, the selection through to various lines footpath listed on the display screen reaches the purpose that obtains copper cash line footpath.
Step S15 obtains the copper cash cross-sectional area: owing to obtained the line footpath of copper cash in the above-mentioned steps, and also in general, copper cash all is circular.So the cross-sectional area that in this step, calculates copper cash is comparatively simple, can obtain the cross-sectional area of above-mentioned copper cash through the computing formula of sectional area.
The used copper cash length of step S16 calculating inductance: through above-mentioned steps; The direct current resistance of inductance, the sectional area of the used copper cash of inductance have been obtained; These data finish all to be stored before each the measurement, and the conductance of copper is a constant, and are known.Therefore, in this step, according to formula l=R*S/ ρ, obtain the length l that inductance uses copper cash, wherein, R is the direct current resistance of inductance, and S is the cross-sectional area of copper cash, and ρ then is the conductance of copper.
Step S17 obtains copper cash weight and shows: for a material, particularly for the copper cash that uses on the above-mentioned inductance, known its length and sectional area just can obtain its volume, and according to the proportion of volume and copper, just can obtain its weight.In this step, be exactly according to above-mentioned rule, the gravimetric value of the copper cash that obtains using on the inductance, and display it.
Originally be that embodiment also relates to a kind of device of obtaining inductance copper cash weight, as shown in Figure 2, this device of obtaining the inductance copper cash comprises: DC voltage generation module 1, electric current are obtained module 2, line and are directly selected module 3 and weight to obtain and display module 4.Wherein, DC voltage generation module 1 is used on inductance the DC voltage of setting value in addition; Electric current is obtained module 2 and is used to obtain the current value that flows through on the said inductance; Line directly selects module 3 to be used to obtain the line footpath of the copper cash that said inductance uses; Weight obtains and display module 4 is handled the above-mentioned data that obtain, and obtains copper cash gravimetric value and demonstration that said inductance uses.
Furthermore, in the present embodiment, electric current is obtained in the module 2 and is further comprised: be used for calculating the resistance value computing unit 21 of its resistance value according to magnitude of voltage and current value on the said inductance.And line is directly obtained and is further comprised in the module 3 and being used for through selected line footpath, calculates the cross-sectional area computing unit 31 of the cross-sectional area of said copper cash.Weight obtain and display module 4 in further comprise length computation unit 41 and weight computing unit 42.Wherein length computation unit 41 is used for calculating the length that said inductance uses copper cash according to resistance value and the copper cash cross-sectional area obtained; And weight computing unit 42 is used for according to said copper cash cross-sectional area and length thereof, obtains the weight that said inductance uses copper cash.
What deserves to be mentioned is, only described the step of inductance being carried out one-shot measurement in the present embodiment.In other embodiments, also possibly need higher measuring accuracy, at this moment; Can repeatedly repeat above-mentioned testing procedure; Each copper cash gravimetric value of measuring is stored, and when the set point number test finished, the above-mentioned repeatedly copper cash gravimetric value of test added up; And, get test value to the end with its testing time divided by setting.Just take multiple measurements, and get its mean value for same inductance.This method can be removed the interference of some accidentalia, makes test result more accurate.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (2)
1. obtain the method that inductance uses copper cash weight for one kind, it is characterized in that, comprise the steps:
A) DC voltage of setting value in addition on inductance;
B) obtain the current value that flows through on the said inductance; Through magnitude of voltage on the said inductance and current value, calculate its resistance value;
C) obtain the line footpath of the copper cash that said inductance uses; The cross-sectional area of said copper cash is calculated in the line footpath of passing through to be obtained;
D), calculate the length that said inductance uses copper cash according to resistance value and the copper cash cross-sectional area obtained; According to said copper cash cross-sectional area and length thereof, obtain gravimetric value and demonstration that said inductance uses copper cash.
2. obtain the device that inductance uses copper cash weight for one kind, it is characterized in that, comprising:
DC voltage generation module: be used on inductance the DC voltage of setting value in addition;
Electric current is obtained module: be used to obtain the current value that flows through on the said inductance; Said electric current is obtained module and is comprised the resistance value computing unit, and said resistance value computing unit is used for calculating its resistance value through magnitude of voltage on the said inductance and current value;
Line is directly selected module: the line footpath that is used to obtain the copper cash that said inductance uses; Said line directly selects module to comprise the cross-sectional area computing unit, and said cross-sectional area computing unit is used for passing through the line footpath obtained, calculates the cross-sectional area of said copper cash;
Weight obtains and display module: the data that processing obtains obtain copper cash gravimetric value and demonstration that said inductance uses;
Said weight obtains and display module comprises:
Length computation unit: be used for calculating the length that said inductance uses copper cash according to resistance value and the copper cash cross-sectional area obtained;
Weight computing unit: be used for obtaining the weight that said inductance uses copper cash according to said copper cash cross-sectional area and length thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105375706A CN101984329B (en) | 2010-11-09 | 2010-11-09 | Method and device for obtaining weight of copper wire used for inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105375706A CN101984329B (en) | 2010-11-09 | 2010-11-09 | Method and device for obtaining weight of copper wire used for inductor |
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| Publication Number | Publication Date |
|---|---|
| CN101984329A CN101984329A (en) | 2011-03-09 |
| CN101984329B true CN101984329B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105375706A Expired - Fee Related CN101984329B (en) | 2010-11-09 | 2010-11-09 | Method and device for obtaining weight of copper wire used for inductor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718507A (en) * | 1986-09-04 | 1988-01-12 | Clyde W. Howlett | Electronic scale and length measurement apparatus including a digital readout |
| CN1570576A (en) * | 2004-04-08 | 2005-01-26 | 王振宇 | Method and device for determining weight of starting parcel for winch |
| CN201378072Y (en) * | 2009-01-16 | 2010-01-06 | 广州市奥赛钢线科技有限公司 | Wire on-line weighing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS584291B2 (en) * | 1981-08-17 | 1983-01-25 | 株式会社 石田衛器製作所 | Weighing method |
-
2010
- 2010-11-09 CN CN2010105375706A patent/CN101984329B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718507A (en) * | 1986-09-04 | 1988-01-12 | Clyde W. Howlett | Electronic scale and length measurement apparatus including a digital readout |
| CN1570576A (en) * | 2004-04-08 | 2005-01-26 | 王振宇 | Method and device for determining weight of starting parcel for winch |
| CN201378072Y (en) * | 2009-01-16 | 2010-01-06 | 广州市奥赛钢线科技有限公司 | Wire on-line weighing machine |
Non-Patent Citations (1)
| Title |
|---|
| JP昭57-98817A 1982.06.19 |
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| CN101984329A (en) | 2011-03-09 |
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Granted publication date: 20120815 Termination date: 20171109 |