CN105717333A - Alternating current resistor element - Google Patents
Alternating current resistor element Download PDFInfo
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- CN105717333A CN105717333A CN201410736257.3A CN201410736257A CN105717333A CN 105717333 A CN105717333 A CN 105717333A CN 201410736257 A CN201410736257 A CN 201410736257A CN 105717333 A CN105717333 A CN 105717333A
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- resistance element
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Abstract
The invention discloses an alternating current resistor element. The alternating current resistor element is applied to an alternating current instrument, and includes a bar-shaped resistor, wherein the resistor includes a first end, a second end and a back-turning section between the first end and the second end; the resistor between the first end and the back-turning section is a first resistor section which is freely arranged and formed in a plane; the resistor between the back-turning section and the second end is a second resistor section which is arranged and formed after returning in the reverse direction of the arranging route of the first resistor section; and the resistors between the first resistor section and the second resistor section are distributed at interval. For the alternating current resistor element, the arrangement of the resistor forms a double non-inductive loop, so that the inductance caused by the resistor is preferably eliminated; the resistor is made of germanium-manganese-base alloy, so that the distributed capacitors can be effectively eliminated; and the resistance of the resistor element basically has no change within the specified frequency range of utilization.
Description
Technical field
The present invention relates to a kind of AC resistance element.
Background technology
Broadband high-precision AC resistive element is one of requisite key element of AC meter.The principal element affecting AC meter quality is the distribution electric parameter influence amount that frequency causes, and wherein the influence amount of resistive element is extremely crucial.
D.C. resistance is use frequency is resistance value when zero, resistance value when AC resistance is to use frequency more than zero, and this resistance value changes along with frequency change.Traditional precision resistance is generally adopted wire-wound resistor, and adopting high frequency porcelain or wrought brass is resistance skeleton, selects manganio precision electrical resistance alloy material or Ni-based precision electrical resistance alloy material, adopt two-wire and have mercy on, single line segmentation along around, single line segmentation forward and reverse along around.This kind of its stability of type resistance is high, but AC characteristic is undesirable, in order to promote AC characteristic, often adopts and inductively or capacitively compensates, but can only a kind of frequency desirably be compensated, inapplicable under many dot frequencies.The resistance change that frequency causes is linearly poor.
Summary of the invention
It is an object of the invention to provide a kind of AC resistance element, its resistance itself forms double; two noninductive loop, and uses germanium manganese-base alloy to make this resistance, has effectively eliminated distribution capacity.The resistance making this resistive element is substantially unchanged in the use frequency range of regulation.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of AC resistance element, for AC meter, described AC resistance element includes the resistance having a bar shape, and described resistance includes the first end, the second end and is located at the back-turning section between described first end and described second end；
Described first end is the first resistive segments to the described resistance between described back-turning section, and described first resistive segments is planar freely arranged shaping；
Described back-turning section is the second resistive segments to the described resistance between described second end, and described second resistive segments reversely returns arrangement shaping along the arrangement route of described first resistive segments；
And in gap distribution between described first resistive segments and described second resistive segments.
Preferably, described resistive element also includes the high frequency porcelain substrate that is layed in the bottom of described resistance.
It is highly preferred that described resistive element also includes welding at least one the first lead-out wires of being located on described first end, at least one the second lead-out wires on described second end are located in weldering.
It is further preferred that described first lead-out wire, described second lead-out wire are the yellow gold of silver content 65%.
It is further preferred that described resistive element also includes the cover plate for being coated with described resistance and base；
Described base is additionally provided with and is respectively used to draw described first lead-out wire, the first glass insulation seat of described second lead-out wire, the second glass insulation seat.
It is further preferred that be also filled with pure silicone oil between described cover plate and described base.
Preferably, described resistance is made up of germanium manganese-base alloy.
It is highly preferred that described resistance is made up of germanium manganese-base alloy.
Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that one AC resistance element of the present invention, and its resistance arrangement itself forms double; two noninductive loop, eliminates the inductance that resistance itself causes preferably；And use germanium manganese-base alloy to make this resistance, effectively eliminate distribution capacity.The resistance making this resistive element is substantially unchanged in the use frequency range of regulation.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of arrangement mode figure of resistance in the present invention；
Accompanying drawing 2 is the structural representation of resistive element.
Wherein: 1, resistance；11, the first end；12, the second end；13, back-turning section；2, high frequency porcelain substrate；3, the first lead-out wire；4, the second lead-out wire；5, cover plate；6, base；7, the first glass insulation seat；8, the second glass insulation seat.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is further elaborated.
Shown in Fig. 1-2, above-mentioned a kind of AC resistance element, for AC meter, such as a. c. resistance box, potentiometer, diverter etc..
This AC resistance element includes bar resistor 1, this bar resistor 1 includes first end the 11, second end 12 and is located at the back-turning section 13 between the first end 11 and the second end 12, two end points of the first end 11 and the second end 12 respectively bar resistor 1, back-turning section 13 is normally at the centre position of bar resistor 1 or near the centre position of bar resistor 1.
This resistance 1 is made up of germanium manganese-base alloy, this alloy material temperature coefficient is little, and low grade fever potential stability is good, adopts the resistance 1 that this kind of material is made can effectively eliminate distribution capacity, eliminate the Electric capacity compensation device being generally adopted in wire resistor, while simplifying structure, save cost.
Resistance 1 between first end 11 to back-turning section 13 is the first resistive segments, and the first resistive segments is for shaping of planar freely arranging, such as " returning " font or stairstepping, curve shape etc..
In the present embodiment, the first resistive segments arrangement forms multiple continuously arranged " several " font.
Resistance 1 between back-turning section 13 to the second end 12 is the second resistive segments, second resistive segments shapes for reversely returning arrangement along the arrangement route of the first resistive segments, until the second end 12 is near the setting of the first end 11, as shown in Figure 1, this the second resistive segments is positioned at the lower section of the first resistive segments, and shape is essentially identical with the first resistive segments.
In the present embodiment, the second resistive segments is arranged equally and is formed multiple continuously arranged " several " font.
And first between resistive segments and the second resistive segments in gap distribution, certain gap is all left between first resistive segments and the adjacent limit of the second resistive segments every, the electric current flowing through the first resistive segments any one section is contrary with the sense of current flowing through the second resistive segments adjoining this section, makes this resistance 1 itself form double; two noninductive loop by this structure.The resistance 1 adopting this kind of arrangement can eliminate inductance effectively, eliminates the inductance compensation device being generally adopted in wire resistor, also saves cost while simplifying structure.
This resistive element also includes the high frequency porcelain substrate 2 being layed in the bottom of resistance 1, and this high frequency porcelain substrate 2 is used for carrying this resistance 1, and as the insulation support plate of this resistance 1.This high frequency porcelain substrate 2 has higher insulation resistance and thermal conductivity.
Resistive element also includes at least one the first lead-out wires 3 that weldering respectively is located on the first end 11, at least one the second lead-out wires 4 on the second end 12 are located in weldering, and this first lead-out wire 3 and the second lead-out wire 4 are respectively used to connect with external circuit.
In the present embodiment, the first lead-out wire 3 and the second lead-out wire 4 are respectively arranged with two.
And first lead-out wire the 3, second lead-out wire 4 all adopt silver content 65%(mass fraction) yellow gold make, this yellow gold temperature coefficient is little, and low grade fever potential stability is good.
This resistive element also includes the cover plate 5 for being coated with resistance 1 and high frequency porcelain substrate 2 and base 6, cover plate 5 and 6 shielding actions of base, and this cover plate 5 and base 6 have been coated with whole resistance 1 and for carrying the high frequency porcelain substrate 2 of resistance 1, and shield effectiveness is better.
This base 6 is additionally provided with first glass insulation seat the 7, the second glass insulation seat 8 being respectively used to draw first lead-out wire the 3, second lead-out wire 4.
Being also filled with pure silicone oil between this cover plate 5 and base 6, this pure silicone oil covers on whole resistance loop, for improving the radiating effect of resistance 1.
Time actually used, it is possible to multiple AC resistance elements are arbitrarily carried out as required connection in series-parallel, adapt to the circuit in different voltage range.
One AC resistance element of the present invention, by resistance 1 adopts germanium manganese-base alloy material, and makes resistance 1 arrangement itself form double; two noninductive loop, resistance accuracy is high, work noise is little, reliable and stable, temperature coefficient is little, and effectively eliminates distribution capacity and inductance, it is possible to for high-frequency circuit.
Above-described embodiment is only for illustrating technology design and the feature of the present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to be carried out; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (8)
1. an AC resistance element, for AC meter, it is characterised in that: described AC resistance element includes the resistance having a bar shape, and described resistance includes the first end, the second end and is located at the back-turning section between described first end and described second end；
Described first end is the first resistive segments to the described resistance between described back-turning section, and described first resistive segments is planar freely arranged shaping；
Described back-turning section is the second resistive segments to the described resistance between described second end, and described second resistive segments reversely returns arrangement shaping along the arrangement route of described first resistive segments；
And in gap distribution between described first resistive segments and described second resistive segments.
2. a kind of AC resistance element according to claim 1, it is characterised in that: described resistive element also includes the high frequency porcelain substrate being layed in the bottom of described resistance.
3. a kind of AC resistance element according to claim 1 and 2, it is characterised in that: described resistive element also includes welding at least one the first lead-out wires of being located on described first end, at least one the second lead-out wires on described second end are located in weldering.
4. a kind of AC resistance element according to claim 3, it is characterised in that: described first lead-out wire, described second lead-out wire are the yellow gold of silver content 65%.
5. a kind of AC resistance element according to claim 3, it is characterised in that: described resistive element also includes the cover plate for being coated with described resistance and base；
Described base is additionally provided with and is respectively used to draw described first lead-out wire, the first glass insulation seat of described second lead-out wire, the second glass insulation seat.
6. a kind of AC resistance element according to claim 5, it is characterised in that: it is also filled with pure silicone oil between described cover plate and described base.
7. a kind of AC resistance element according to any one of claim 1,2,4,5,6, it is characterised in that: described resistance is made up of germanium manganese-base alloy.
8. a kind of AC resistance element according to claim 3, it is characterised in that: described resistance is made up of germanium manganese-base alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736257.3A CN105717333A (en) | 2014-12-05 | 2014-12-05 | Alternating current resistor element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736257.3A CN105717333A (en) | 2014-12-05 | 2014-12-05 | Alternating current resistor element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105717333A true CN105717333A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410736257.3A Pending CN105717333A (en) | 2014-12-05 | 2014-12-05 | Alternating current resistor element |
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| Country | Link |
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| CN (1) | CN105717333A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6166619A (en) * | 1995-11-11 | 2000-12-26 | Daimlerchrysler Ag | Overcurrent limiter having inductive compensation |
| CN1538466A (en) * | 2003-04-07 | 2004-10-20 | ̩ | Low induction resistance device of bidirectional archimedes spiral arrangement |
| CN101020974A (en) * | 2007-03-19 | 2007-08-22 | 贵研铂业股份有限公司 | Precise resistive Cu-Mn-Ga-Ge alloy |
| CN103000318A (en) * | 2012-10-31 | 2013-03-27 | 芜湖国睿兆伏电子股份有限公司 | Low-sensitivity resistor |
| CN203690026U (en) * | 2014-01-26 | 2014-07-02 | 深圳意杰（Ebg）电子有限公司 | Alloy foil type precise shunting resistor |
| CN103928203A (en) * | 2014-04-25 | 2014-07-16 | 中国电子科技集团公司第四十九研究所 | Bifilar winding non-inductive film platinum thermistor |
| CN204214906U (en) * | 2014-12-05 | 2015-03-18 | 苏州华电电气股份有限公司 | A kind of AC resistance element |
-
2014
- 2014-12-05 CN CN201410736257.3A patent/CN105717333A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6166619A (en) * | 1995-11-11 | 2000-12-26 | Daimlerchrysler Ag | Overcurrent limiter having inductive compensation |
| CN1538466A (en) * | 2003-04-07 | 2004-10-20 | ̩ | Low induction resistance device of bidirectional archimedes spiral arrangement |
| CN101020974A (en) * | 2007-03-19 | 2007-08-22 | 贵研铂业股份有限公司 | Precise resistive Cu-Mn-Ga-Ge alloy |
| CN103000318A (en) * | 2012-10-31 | 2013-03-27 | 芜湖国睿兆伏电子股份有限公司 | Low-sensitivity resistor |
| CN203690026U (en) * | 2014-01-26 | 2014-07-02 | 深圳意杰（Ebg）电子有限公司 | Alloy foil type precise shunting resistor |
| CN103928203A (en) * | 2014-04-25 | 2014-07-16 | 中国电子科技集团公司第四十九研究所 | Bifilar winding non-inductive film platinum thermistor |
| CN204214906U (en) * | 2014-12-05 | 2015-03-18 | 苏州华电电气股份有限公司 | A kind of AC resistance element |
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Application publication date: 20160629 |