CN101984329A - 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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- CN101984329A CN101984329A CN 201010537570 CN201010537570A CN101984329A CN 101984329 A CN101984329 A CN 101984329A CN 201010537570 CN201010537570 CN 201010537570 CN 201010537570 A CN201010537570 A CN 201010537570A CN 101984329 A CN101984329 A CN 101984329A
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- copper cash
- inductance
- 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 for the needs to the inductance cost estimation, and simultaneously, the preparation for material also has positive meaning with control in the production run for entering.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 problem to be solved in the present invention is, at the The above results out of true of prior art, the defective of inconvenient operation, provides a kind of result is comparatively accurate, operation obtains inductance use copper cash weight comparatively easily method and device.
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 described inductance;
C) obtain the line footpath of the copper cash that described inductance uses;
D) handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that described inductance uses.
Obtain in the method that inductance uses copper cash weight described step B of the present invention) in further comprise: by magnitude of voltage on the described inductance and current value, calculate its resistance value.
Obtain in the method that inductance uses copper cash weight described step C of the present invention) in further comprise: by selected line footpath, calculate the cross-sectional area of described copper cash.
Obtain in the method that inductance uses copper cash weight described step D of the present invention) in further comprise:
D1), calculate the length that described inductance uses copper cash according to obtained resistance value and copper cash cross-sectional area;
D2), obtain the weight that described inductance uses copper cash according to described 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 described inductance;
Line is directly selected module: the line footpath that is used to obtain the copper cash that described inductance uses;
Weight obtains and display module: handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that described inductance uses.
Obtain in the device that inductance uses copper cash weight of the present invention, described electric current is obtained in the module and is further comprised:
Resistance value computing unit: be used for calculating its resistance value by magnitude of voltage on the described inductance and current value.
Obtain in the device that inductance uses copper cash weight of the present invention, described 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 described copper cash by selected line footpath.
Obtain in the device that inductance uses copper cash weight of the present invention, described weight obtain and display module in further comprise:
Length computation unit: be used for calculating the length that described inductance uses copper cash according to obtained resistance value and copper cash cross-sectional area;
Weight computing unit: be used for obtaining the weight that described inductance uses copper cash according to described copper cash cross-sectional area and length thereof.
Implement method and the device that inductance uses copper cash weight of obtaining 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 described embodiment.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, 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 apply the setting DC voltage on 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 added on the inductance by a current-limiting resistance that is arranged on measurement mechanism inside, because this current-limiting resistance value is fixed, therefore, the resistance that only need deduct this current-limiting resistance after obtaining the direct current resistance of inductance 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 by a pulse producer, as long as this pulse producer of control is exported high level and keep this output in measuring process always.
Step S12 obtains the current value on the inductance: because above-mentioned DC voltage is added on the inductance, have a direct current electric current on the inductance, in this step, measure the DC current on the above-mentioned inductance and obtain its value.
Step S13 calculates the direct current resistance of inductance: by 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 be calculated by the DC voltage of DC current values and current-limiting resistance value and setting and obtain, in this step, and ohm theorem obtain 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 by the button that is arranged on the inductance measurement device.Certainly, in other embodiments, also various lines directly can be presented on the display screen of measurement mechanism, the selection by 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 calculates copper cash in this step is comparatively simple, can obtain the cross-sectional area of above-mentioned copper cash by the computing formula of sectional area.
Step S16 calculates the used copper cash length of inductance: pass 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 all were stored before each measurement finishes, and the conductance of copper is a constant, and were 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 described inductance; Line directly selects module 3 to be used to obtain the line footpath of the copper cash that described 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 described 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 described inductance.And line is directly obtained and is further comprised in the module 3 and being used for by selected line footpath, calculates the cross-sectional area computing unit 31 of the cross-sectional area of described 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 described inductance uses copper cash according to obtained resistance value and copper cash cross-sectional area; And weight computing unit 42 is used for according to described copper cash cross-sectional area and length thereof, obtains the weight that described 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 may 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 embodiment 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 without departing from the inventive concept of the premise, 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 claims.
Claims (8)
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 described inductance;
C) obtain the line footpath of the copper cash that described inductance uses;
D) handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that described inductance uses.
2. according to claim 1ly obtain the method that inductance uses copper cash weight, it is characterized in that described step B) in further comprise: by magnitude of voltage on the described inductance and current value, calculate its resistance value.
3. according to claim 2ly obtain the method that inductance uses copper cash weight, it is characterized in that described step C) in further comprise: by selected line footpath, calculate the cross-sectional area of described copper cash.
4. according to claim 3ly obtain the method that inductance uses copper cash weight, it is characterized in that described step D) in further comprise:
D1), calculate the length that described inductance uses copper cash according to obtained resistance value and copper cash cross-sectional area;
D2), obtain the weight that described inductance uses copper cash according to described copper cash cross-sectional area and length thereof.
5. 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 described inductance;
Line is directly selected module: the line footpath that is used to obtain the copper cash that described inductance uses;
Weight obtains and display module: handle the above-mentioned data that obtain, obtain copper cash gravimetric value and demonstration that described inductance uses.
6. the device of obtaining inductance use copper cash weight according to claim 5 is characterized in that described electric current is obtained in the module and further comprised:
Resistance value computing unit: be used for calculating its resistance value by magnitude of voltage on the described inductance and current value.
7. the device of obtaining inductance use copper cash weight according to claim 6 is characterized in that described line is directly obtained in the module and further comprised:
Cross-sectional area computing unit: be used for calculating the cross-sectional area of described copper cash by selected line footpath.
8. according to claim 7ly obtain the device that inductance uses copper cash weight, it is characterized in that, described weight obtain and display module in further comprise:
Length computation unit: be used for calculating the length that described inductance uses copper cash according to obtained resistance value and copper cash cross-sectional area;
Weight computing unit: be used for obtaining the weight that described inductance uses copper cash according to described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101984329A true CN101984329A (en) | 2011-03-09 |
| CN101984329B CN101984329B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5798817A (en) * | 1981-08-17 | 1982-06-19 | Ishida Scales Mfg Co Ltd | Metering method |
| 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 |
-
2010
- 2010-11-09 CN CN2010105375706A patent/CN101984329B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5798817A (en) * | 1981-08-17 | 1982-06-19 | Ishida Scales Mfg Co Ltd | Metering method |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN101984329B (en) | 2012-08-15 |
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