CN102843086B - Device capable of folding wire - Google Patents
Device capable of folding wire Download PDFInfo
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- CN102843086B CN102843086B CN201210310399.4A CN201210310399A CN102843086B CN 102843086 B CN102843086 B CN 102843086B CN 201210310399 A CN201210310399 A CN 201210310399A CN 102843086 B CN102843086 B CN 102843086B
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- copper strips
- fold line
- line device
- short
- folding
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Abstract
The invention discloses a device capable of folding a wire. The device capable of folding the wire comprises a copper strip, wherein the copper strip is folded into N folds and arranged in a mounting rack. N is a positive integer, each fold of the copper strip is of a U shape. N short circuit units are connected with two sides of each fold of the copper strip in short circuit mode. A driving unit is used to drive the N short circuit units to move up and down along both sides of each fold of the copper strip. The N short circuit units are used to adjust the connecting length of folded copper strip so as to achieve inductance from 0.2 microhenry to 0.8 microhenry.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of fold line device.
Background technology
At present, 6-26MHz radio frequency power source final stage power output reaches 120kW, and final stage input power reaches 5kW; Final stage is discharge-tube amplifier, adopts grid ground circuit.Final stage is inputted from all solid state, and impedance is 50 Ω, and valve input impedance, lower than 50 Ω, needs match circuit.Wherein, a kind of 6-26MHz of covering of crucial needs, inductance are the variable inductance of 0.2-0.8 microhenry.In RF high power discharge-tube amplifier, while adopting grid ground circuit, input impedance is lower, in the time of 6-28MHz frequency range, in input matching circuit, need the inductance of 0.2-0.8 microhenry, adopt the impact of spiral inductance due to distributed constant in the past, be not easy to arrive 0.3 microhenry once, adopt short-circuited transmission line, more than being not easy again to arrive 0.6 microhenry.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fold line device, in order to solve the problem that cannot reach 0.2-0.8 microhenry in prior art in 6-26MHz scope internal inductance.
For solving the problems of the technologies described above, the invention provides a kind of fold line device, comprising:
Copper strips, is folded into after N rolls over and is arranged in installing rack; Wherein, N is positive integer; Each folding copper strips be shaped as U font;
N short-circuit unit, gets up the both sides short circuit of each folding copper strips;
Driver element, moves up and down along the both sides of each folding copper strips for a driving N short-circuit unit.
Further, described installing rack is made up of left plate, header board, right panel and rear plate, forms a framework, for the copper strips after folding is installed.
Further, driver element comprises stepping motor, transmission mechanism, shaft joint and two rhizoid thick sticks, and transmission mechanism is gear conventional drives, comprises idler gear and two output gears, and idler gear engages with two output gears respectively; Two output gears are arranged on respectively on two output shafts; The motor shaft of stepping motor drives idler gear rotation, and then drives output shaft rotation by output gear, and two output shafts are connected with two rhizoid thick sticks by shaft joint respectively, drives two rhizoid thick sticks to rotate.
Further, two rhizoid thick sticks adopt nonmetallic materials to make.
Further, an output shaft in driver element is equipped with potentiometer, realizes the detection of position.
Further, limit switch is equipped with in driver element bottom.
Further, short-circuit unit comprises intermediate mass and is arranged on the lateral mass of intermediate mass both sides, is provided with spring pressuring plate and reed between lateral mass and intermediate mass; Lateral mass and intermediate mass are arranged on contiguous block, and each short-circuit unit links together by slide block; Wherein, in N short-circuit unit, there are two intermediate mass to be arranged on leading screw, coordinate with leading screw.
Further, intermediate mass, spring pressuring plate, lateral mass, contiguous block and reed are metal.
Further, copper strips width is 34mm, length 380mm; Spacing between each folding copper strips is 50mm; Be folded into 3 broken lines.
Further, copper strips one end is widened to 77mm, widens place and widens gradually from 92.5mm.
Beneficial effect of the present invention is as follows:
The present invention regulates the access length of folding copper strips by N short-circuit unit, can realize from the inductance of 0.2-0.8 microhenry.Adopt stepping motor to drive simultaneously, and use potentiometer detection position, can realize automatic control and position display, be convenient to tuningly, limit switch is housed, can realize protection.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of fold line device in the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of another angle of fold line device in the embodiment of the present invention;
Fig. 3 is the front view of a kind of fold line device in the embodiment of the present invention;
Fig. 4 is the vertical view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limit the present invention.
As shown in Fig. 1 ~ 4, the embodiment of the present invention relates to a kind of fold line device, comprising:
Copper strips, is folded into after N rolls over and is arranged in installing rack; Wherein, N is positive integer; Each folding copper strips be shaped as U font;
N short-circuit unit, gets up the both sides short circuit of each folding copper strips;
Driver element, moves up and down along the both sides of each folding copper strips for a driving N short-circuit unit.
Installing rack is made up of left plate 4, header board 13, right panel 14, rear plate 12, forms a framework, for the copper strips 2 after folding is installed; For weight reduction, on the left plate 4 of the folding copper strips 2 of installation, header board 13, right panel 14, rear plate 12, have rectangle or circular hole.
Driver element 1 is arranged on rear plate 12, comprises stepping motor 10, transmission mechanism 3, shaft joint and two rhizoid thick sticks 11, and transmission mechanism 3 is gear conventional drives, comprises idler gear and two output gears, and idler gear engages with two output gears respectively; Two output gears are arranged on respectively on two output shafts.The motor shaft of stepping motor 12 drives idler gear rotation, and then drives output shaft rotation by output gear, and two output shafts are connected with two rhizoid thick sticks 11 by shaft joint respectively, drives two rhizoid thick sticks 11 to rotate.Two rhizoid thick sticks 11 adopt nonmetallic materials to make.An output shaft in driver element 1 is equipped with potentiometer and realizes the detection of position, and limit switch is equipped with in bottom, realizes protection, in the time that slide block 9 moves to two ends, provides limit signal, prevents from damaging gear, motor etc.
Short-circuit unit comprises intermediate mass 5 and is arranged on the lateral mass 7 of intermediate mass 5 both sides, is provided with spring pressuring plate 6 and reed 15 between lateral mass 7 and intermediate mass 5; Lateral mass 7 and intermediate mass 5 are arranged on contiguous block 8, and each short-circuit unit links together by slide block 9.In N short-circuit unit, there are two intermediate mass 5 to be arranged on leading screw 11, coordinate with leading screw 11.Intermediate mass 5, spring pressuring plate 6, lateral mass 7, contiguous block 8 and reed 15 are metal, they realize the often short circuit of folding copper strips 2 of sequence number together, folding copper strips 2 both sides are porose, as 2 outputs, by mobile intermediate mass 5 and slide block 9, can realize the variation of folding copper strips inductance, copper strips width 34mm, spacing 50mm, length 380mm, be folded into 3 broken lines, can realize above-mentioned 0.8 microhenry inductance value, in order to realize the inductance of 0.3-0.2 microhenry, folding copper strips one end is widened to 77mm simultaneously, widens place and widens gradually from 92.5mm.
As can be seen from the above-described embodiment, the present invention regulates the length of folding copper strips by N short-circuit unit, can realize from 0.2-0.8 microhenry inductance.Adopt stepping motor to drive simultaneously, and use potentiometer detection position, can realize automatic control and position display, be convenient to tuningly, limit switch is housed, can realize protection.
Although be example object, the preferred embodiments of the present invention are disclosed, it is also possible those skilled in the art will recognize various improvement, increase and replacement, therefore, scope of the present invention should be not limited to above-described embodiment.
Claims (8)
1. a fold line device, is characterized in that, comprising:
Copper strips, is folded into after N rolls over and is arranged in installing rack; Wherein, N is positive integer; Each folding copper strips be shaped as U font; Described installing rack is made up of left plate, header board, right panel and rear plate, forms a framework, for the copper strips after folding is installed;
N short-circuit unit, gets up the both sides short circuit of each folding copper strips;
Driver element, moves up and down along the both sides of each folding copper strips for a driving N short-circuit unit;
Wherein, driver element comprises stepping motor, transmission mechanism, shaft joint and two rhizoid thick sticks, and transmission mechanism is gear conventional drives, comprises idler gear and two output gears, and idler gear engages with two output gears respectively; Two output gears are arranged on respectively on two output shafts; The motor shaft of stepping motor drives idler gear rotation, and then drives output shaft rotation by output gear, and two output shafts are connected with two rhizoid thick sticks by shaft joint respectively, drives two rhizoid thick sticks to rotate.
2. fold line device as claimed in claim 1, is characterized in that, two rhizoid thick sticks adopt nonmetallic materials to make.
3. fold line device as claimed in claim 1, is characterized in that, an output shaft in driver element is equipped with potentiometer, realizes the detection of position.
4. fold line device as claimed in claim 1, is characterized in that, limit switch is equipped with in driver element bottom.
5. the fold line device as described in claim 1～4 any one, is characterized in that, short-circuit unit comprises intermediate mass and is arranged on the lateral mass of intermediate mass both sides, is provided with spring pressuring plate and reed between lateral mass and intermediate mass; Lateral mass and intermediate mass are arranged on contiguous block, and each short-circuit unit links together by slide block; Wherein, in N short-circuit unit, there are two intermediate mass to be arranged on leading screw, coordinate with leading screw.
6. fold line device as claimed in claim 5, is characterized in that, intermediate mass, spring pressuring plate, lateral mass, contiguous block and reed are metal.
7. fold line device as claimed in claim 1, is characterized in that, copper strips width is 34mm, length 380mm; Spacing between each folding copper strips is 50mm; Be folded into 3 broken lines.
8. fold line device as claimed in claim 7, is characterized in that, copper strips one end is widened to 77mm gradually, and the length of widened section is 92.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310399.4A CN102843086B (en) | 2012-08-28 | 2012-08-28 | Device capable of folding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310399.4A CN102843086B (en) | 2012-08-28 | 2012-08-28 | Device capable of folding wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102843086A CN102843086A (en) | 2012-12-26 |
| CN102843086B true CN102843086B (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210310399.4A Active CN102843086B (en) | 2012-08-28 | 2012-08-28 | Device capable of folding wire |
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| Country | Link |
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| CN (1) | CN102843086B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706479A (en) * | 1950-09-14 | 1954-03-31 | Marconi Wireless Telegraph Co | Improvements in or relating to ganged variable inductance devices |
| JPH11340726A (en) * | 1998-05-28 | 1999-12-10 | Mitsubishi Materials Corp | Antenna device |
| CN1251255C (en) * | 2004-05-10 | 2006-04-12 | 阎跃军 | Adjustable inductor |
| JP4667986B2 (en) * | 2005-07-07 | 2011-04-13 | アルプス電気株式会社 | Motor driven slide type variable resistor |
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2012
- 2012-08-28 CN CN201210310399.4A patent/CN102843086B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102843086A (en) | 2012-12-26 |
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Address after: 100853 3 floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee after: Beijing Guangtong Aerospace Science and Technology Co Ltd Address before: 100854 three floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee before: Beijing Changfeng Broadcasting Communication Equipment Co., Ltd. |
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| CP03 | Change of name, title or address |