CN108933043A - A kind of precision adjustable capacitor - Google Patents
A kind of precision adjustable capacitor Download PDFInfo
- Publication number
- CN108933043A CN108933043A CN201810625072.3A CN201810625072A CN108933043A CN 108933043 A CN108933043 A CN 108933043A CN 201810625072 A CN201810625072 A CN 201810625072A CN 108933043 A CN108933043 A CN 108933043A
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- China
- Prior art keywords
- cylinder
- polar circle
- circle cylinder
- connecting cylinder
- insulation connecting
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 67
- 238000009413 insulation Methods 0.000 claims abstract description 55
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/04—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/04—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode
- H01G5/12—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of part-cylindrical, conical, or spherical electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention belongs to capacitor technology field, specially a kind of accurate adjustable capacitor.Precision adjustable capacitor of the invention includes: an insulation connecting cylinder；The outer polar circle cylinder being set on the outside of insulation connecting cylinder；Interior polar circle cylinder in insulation connecting cylinder inner hole is set, and interior polar circle cylinder can slide axially in the inner hole of insulation connecting cylinder, and the inner hole of interior polar circle cylinder is threaded hole；Adjusting rod in insulation connecting cylinder is set, and adjusting rod also has the threaded connection section being threadedly coupled with the threaded hole.The lateral surface of the medial surface of outer polar circle cylinder and interior polar circle cylinder is opposite and forms capacitor, it can be rotated adjusting rod by screwdriver, so that the threaded connection section of its leading portion drives interior polar circle cylinder to slide axially in the inner hole of insulation connecting cylinder, the opposite area of the lateral surface of the medial surface and interior polar circle cylinder that adjust outer polar circle cylinder, to adjust capacitance size.The present invention can be conveniently adjusted the capacitance size of capacitor, and required component part is less, and structure is simple, easy to use.
Description
Technical field
The invention belongs to capacitor technology fields, and in particular to a kind of Precision trimming capacitor for mass spectrometer.
Background technique
Tunable capacitor is divided into patch tunable capacitor (SMD) according to the difference of its packaged type in the application of actual circuit,
Plug-in unit tunable capacitor (DIP)；Different according to manufacture material can be divided into ceramic tunable capacitor again, and PVC tunable capacitor, air is adjustable
Capacitor etc..Usually with tunable capacitor be using upper trimmer in actual circuit it is distinguishing, show: trimmer: allowing
The distance of two-plate, relative position or area are adjustable, just constitute trimmer.Its medium has air, ceramics, mica, film
Deng.Tunable capacitor generally has ceramic dielectric and thin film dielectrics, and the high frequency characteristics of ceramic dielectric is good, can work several hundred MHz very
To above, and the high frequency characteristics of film is less better, but one liang of MHz still can.Ceramic tunable capacitor is exactly medium material
The capacitor that material continuously changes for its capacitance of ceramics with the rotation of movable plate.The high frequency characteristics of ceramic tunable capacitor is good, can be with
Work several hundred MHz even more than, but the production and processing of ceramics wants difficult, so price is high, the price of film wants low
It is some.After ceramic tunable capacitor is generally adjusted to suitable capacitance, there is no need to frequent de-regulations, and at this moment it plays the role of
As being with ordinary capacitor, if debugging undue force, or adjusting number are excessively frequent, capacitor all may be damaged.
As it can be seen that capacitor arrangement in the prior art is more complicated, adjust very inconvenient, higher operating costs.
In high frequency and high pressure tunable capacitor field, it with air is to be situated between that it is staggered, which to be mostly fan-shaped pole piece, for common capacitor
The tunable capacitor of matter.By rotating fan pole piece, change the positive area between two groups of pole pieces so as to adjust the size of capacitance.Essence
Close adjustable condenser serves as smothing filtering, power supply and the decoupling of rectifier, the bypass of AC signal, alternating current-direct current in the electronic device
The AC coupled etc. of circuit uses in various tunings and oscillating circuit as compensation capacitor or calibrating capacitor.And one
Radio frequency arts applied by a little large scientific instruments, capacitor need to work in several MHz frequencies, and are volt peak-to-peak value electricity up to ten thousand
The occasion of pressure, ordinary capacitor frequency characteristic is poor, and is lost greatly, and therefore, above-mentioned tunable capacitor technical deficiency is to meet radio frequency
The demand that supply voltage accurately controls.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of accurate adjustable capacitor,
It can be conveniently adjusted the capacitance size of capacitor, structure is simple, easy to use.
Precision adjustable capacitor provided by the invention, structure are as follows: including an insulation connecting cylinder, be set in insulation and connect
Outer polar circle cylinder on the outside of connect cylinder, is arranged in the interior polar circle cylinder in insulation connecting cylinder inner hole, and the interior polar circle cylinder can be connected in insulation
It slides axially in the inner hole of cylinder, the inner hole of interior polar circle cylinder is threaded hole；Adjusting rod in insulation connecting cylinder, the tune are set
Pole has the round boss being rotatably assorted with the inner hole of insulation connecting cylinder, and adjusting rod also has to be threadedly coupled with the threaded hole
Threaded connection section, the rear end of adjusting rod is equipped with the adjusting interface for connecting with screwdriver.
Preferably, the threaded connection section extends forward from the front end of round boss, and the rear end of round boss is connected with circle
The annular groove of shape flange, circular flange and insulation connection tube rear end rotatably cooperates, and the rear end for the connecting cylinder that insulate is connected with bearing
Gland, bearing gland keep off circular flange in annular groove；There is bearing mounting hole on bearing gland, installed in bearing mounting hole
There is bearing, adjusting rod rear portion is equipped with the section of stretching out being rotatably assorted with bearing, and section of stretching out is pierced by backward from bearing gland.
Preferably, the bearing gland grounding connection.
Preferably, the bearing gland is bolted on together with insulation connecting cylinder.
Preferably, the length of the threaded connection section is greater than the length of interior polar circle cylinder.
Preferably, the inner hole side wall of the insulation connecting cylinder is equipped with the guiding for being parallel to the interior axially bored line of insulation connecting cylinder
Groove, the outer wall of interior polar circle cylinder are equipped with the guiding fin being slidably matched with the guiding groove.
Preferably, the outer diameter of the insulation connecting cylinder leading portion is less than the outer diameter of its back segment, and the outer pole cylindrical sleeve is insulating
The leading portion of connecting cylinder.
It is further preferable that the front end of the threaded connection section extends to the leading portion of insulation connecting cylinder inner hole.
Preferably, the adjusting interface is the straight groove of linear type.
Preferably, the screw pitch of the threaded connection section is 0.5 millimeter.
In use, the lateral surface of the medial surface of outer polar circle cylinder and interior polar circle cylinder is opposite and forms capacitor, by screwdriver with
The adjusting interface connection of rod rear end is adjusted, rotation screw knife can be rotated adjusting rod, and adjusting rod can make its leading portion when rotating
Threaded connection section drive in polar circle cylinder slide axially in the inner hole of insulation connecting cylinder, thus adjustable outer polar circle cylinder
Medial surface and interior polar circle cylinder the opposite area of lateral surface, to achieve the purpose that adjust capacitance size.
Therefore, accurate adjustable capacitor provided by the invention, can be conveniently adjusted the capacitance size of capacitor, required
The component part wanted is less, and structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is shown as the schematic perspective view of accurate adjustable capacitor of the invention.
Fig. 2 is shown as the explosive view of accurate adjustable capacitor of the invention.
Fig. 3 is shown as the schematic diagram of the section structure of accurate adjustable capacitor of the invention.
Fig. 4 is the structural diagrams of insulation connecting cylinder.
Fig. 5 is that the outer wall construction of interior polar circle cylinder illustrates.
Figure label: 1 is insulation connecting cylinder, and 2 be outer polar circle cylinder, and 3 be interior polar circle cylinder, and 4 be adjusting rod, and 5 be round boss,
6 be threaded connection section, and 7 is adjust interface, and 8 be circular flange, and 9 be annular groove, and 10 be bearing gland, and 11 be bearing mounting hole,
12 be bearing, and 13 be section of stretching out, and 14 be guiding groove, and 15 be guiding fin, and 16 be bolt, and 17 be gas vent.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence
It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of accurate adjustable capacitor, including insulation connecting cylinder 1, insulation connect
The outer sheath of connect cylinder 1 is equipped with outer polar circle cylinder 2, is equipped with interior polar circle cylinder 3 in the inner hole of connecting cylinder 1 that insulate, interior polar circle cylinder 3 can insulate
It slides axially in the inner hole of connecting cylinder 1, the inner hole of interior polar circle cylinder 3 is threaded hole, is equipped with adjusting rod 4 in the connecting cylinder 1 that insulate, adjusts
Pole 4 has the round boss 5 being rotatably assorted with the inner hole of insulation connecting cylinder 1, and adjusting rod 4 also has and the threaded hole screw thread
The threaded connection section 6 of connection, the rear end of adjusting rod 4 are equipped with the adjusting interface 7 for connecting with screwdriver.
In a kind of accurate adjustable capacitor of the invention, interior polar circle cylinder 3 and outer polar circle cylinder 2 are all made of conductive material system
At for example, polar circle cylinder 3 and outer polar circle cylinder 2 in being made of copper material；Can also interior polar circle cylinder 3 outer surface and
The inner surface of outer polar circle cylinder 2 is covered with conductive layer, and the insulation connecting cylinder 1, which is adopted, to be made from an insulative material, for example, can be using poly-
Tetrafluoroethene production insulation connecting cylinder 1.The opposite part of the medial surface of the lateral surface of interior polar circle cylinder 3 and outer polar circle cylinder 2 is just constituted
Capacitor, when using a kind of accurate adjustable capacitor of the invention, referring to FIG. 3, the medial surface of outer polar circle cylinder 2 and interior polar circle cylinder
3 lateral surface is opposite and forms capacitor, is connect by screwdriver with the adjusting interface 7 of 4 rear end of adjusting rod, rotation screw knife
Adjusting rod 4 is rotated, adjusting rod 4 can make the threaded connection section 6 of its leading portion drive interior polar circle cylinder 3 in insulation connecting cylinder when rotating
It slides axially in 1 inner hole, thus the medial surface of adjustable outer polar circle cylinder 2 and the lateral surface of interior polar circle cylinder 3 are opposite
Area, to achieve the purpose that adjust capacitance size.Therefore, a kind of accurate adjustable capacitor of the invention can be adjusted easily
The capacitance size of economize on electricity container, required component part is less, and structure is simple, easy to use.
In accurate adjustable capacitor of the invention, interior polar circle cylinder 3 can be in the inner hole of insulation connecting cylinder 1 axially back and forth
It is mobile, as a preferred embodiment, as shown in figure 4, the inner hole side wall of the insulation connecting cylinder 1 is equipped with and is parallel to absolutely
The guiding groove 14 of the interior axially bored line of edge connecting cylinder 1, as shown in figure 5, the outer wall of interior polar circle cylinder 3 is equipped with and the guiding groove
The 14 guiding fins 15 being slidably matched.In this way, interior polar circle cylinder 3 cannot be in the inner hole of insulation connecting cylinder 1 when adjusting rod 4 rotates
Middle rotation, under the action of screw-driven, inner hole axial movement of the interior polar circle cylinder 3 along insulation connecting cylinder 1.In order to enable interior polar circle
Cylinder 3 can gradually be moved to completely opposite state with outer polar circle cylinder 2 from completely not opposite state, can be by the way that spiral shell is arranged
The length of line linkage section 6 reaches this requirement, as shown in figure 3, the rear end when interior polar circle cylinder 3 is moved to threaded ends most
When back-end location, interior polar circle cylinder 3 is not completely opposite with outer polar circle cylinder 2, and after the front end of interior polar circle cylinder 3 and outer polar circle cylinder 2
There are also a distance between end, at this point, capacitor between interior polar circle cylinder 3 and outer polar circle cylinder 2 is close to zero；When interior polar circle cylinder 3 by
During gradually moving forward, the opposite area of interior polar circle cylinder 3 and outer polar circle cylinder 2 is gradually increased, interior polar circle cylinder 3 and outer polar circle
Capacitor between cylinder 2 is also gradually increased.The length of the threaded connection section 6 is greater than the length of interior polar circle cylinder 3, and such setting is just
In enabling interior polar circle cylinder 3 to be moved to its lateral wall state completely opposite with the inner sidewall of outer polar circle cylinder 2, in interior polar circle cylinder
3 inner sidewalls for being moved to its lateral wall and outer polar circle cylinder 2 can be completely opposite state when, in order to enable threaded connection section 6 with
Interior polar circle cylinder 3 has enough lengths of fit, as shown in figure 3, the front end of the threaded connection section 6 extends to insulation 1 inner hole of connecting cylinder
Leading portion, as a preferred embodiment, it is described insulation 1 leading portion of connecting cylinder outer diameter be less than its back segment outer diameter, it is described
2 sets of the outer polar circle cylinder leading portions in insulation connecting cylinder 1.
In accurate adjustable capacitor of the invention, as shown in figure 3, as a preferred embodiment, the spiral shell
Line linkage section 6 extends forward from the front end of round boss 5, and the rear end of round boss 5 is connected with circular flange 8, circular flange 8 with
The annular groove 9 of insulation 1 rear end of connecting cylinder rotatably cooperates, and the rear end of insulation connecting cylinder 1 is connected with 12 gland 10 of bearing, bearing 12
Gland 10 keeps off circular flange 8 in annular groove 9；There is 12 mounting hole 11 of bearing, 12 mounting hole of bearing on 12 gland 10 of bearing
Bearing 12 is installed, 4 rear portion of adjusting rod is equipped with the section of stretching out 13 being rotatably assorted with bearing 12, and section of stretching out 13 is pressed from bearing 12 in 11
Lid 10 is pierced by backward.In this way, adjusting rod 4 is supported by bearing 12, can neatly it rotate, the rotation of adjusting rod 4 not clamping stagnation, laborsaving
It is convenient.12 gland 10 of bearing is connected to the rear end of insulation connecting cylinder 1, it is preferable that as shown in figure 3,12 gland of the bearing
10 are fixed together with insulation connecting cylinder 1 by bolt 16.As a preferred embodiment, 12 gland 10 of bearing connects
Ground connection, adjusting rod 4 and interior polar circle cylinder 3 are made of electrically conductive material, and polar circle cylinder 3 interior in this way passes through adjusting rod 4, bearing 12 and axis
It holds 12 glands 10 and is grounded.As shown in Figure 1, the adjusting interface 7 is the straight groove of linear type, " one " word mouth screwdriver can be used
To rotate adjusting rod 4.
In accurate adjustable capacitor of the invention, as shown in figure 3, as a preferred embodiment, described exhausted
1 front end of edge connecting cylinder is equipped with gas vent 17, in this way, the inner hole of insulation connecting cylinder 1 is in communication with the outside, when adjusting rod 4 rotates, absolutely
The front section of 1 inner hole of edge connecting cylinder forms piston cavity, since the leading portion of insulation 1 inner hole of connecting cylinder is in communication with the outside and keeps
It is balanced with ambient pressure, so, light and flexible can be compared when rotating adjusting rod 4, do not have clamping stagnation sense, be conducive to critically adjust
The position of pole 4 so as to adjust the opposite area of the medial surface of outer polar circle cylinder and the lateral surface of interior polar circle cylinder, and then reaches adjustment
The purpose of capacitance size.
In accurate adjustable capacitor of the invention, due to using screw-driven between adjusting rod 4 and interior polar circle cylinder 3
Mode, the step-less adjustment of the relative area between interior polar circle cylinder 3 and outer polar circle cylinder 2 may be implemented in this kind of drive, thus
So that the capacitance size between interior polar circle cylinder 3 and outer polar circle cylinder 2 can be with step-less adjustment, in this way, it is possible to critically adjust this hair
The capacitance size of bright capacitor.The screw pitch of the inner hole thread of threaded connection section 6 and interior polar circle cylinder 3 uses non-standard screw-pitch, to the greatest extent
Amount uses lesser screw pitch, in order to realize more accurate step-less adjustment, it is preferable that the screw pitch of the threaded connection section 6 is 0.5
Millimeter.
Technical solution based on the above embodiment, accurate adjustable capacitor of the invention can be conveniently adjusted capacitor
Capacitance size, required component part is less, and structure is simple, easy to use.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of precision adjustable capacitor characterized by comprising
One insulation connecting cylinder (1)；
The outer polar circle cylinder (2) being set on the outside of insulation connecting cylinder (1)；
Interior polar circle cylinder (3) in insulation connecting cylinder (1) inner hole is set, and the interior polar circle cylinder can be in the inner hole of insulation connecting cylinder
It slides axially, the inner hole of interior polar circle cylinder is threaded hole；
Adjusting (4) bar in insulation connecting cylinder is set, and the adjusting rod (4) has to be rotated with the inner hole of insulation connecting cylinder (1)
The round boss (5) of cooperation, adjusting rod (4) also have threaded connection (6) section being threadedly coupled with the threaded hole, adjusting rod
Rear end is equipped with the adjusting interface (7) for connecting with screwdriver.
2. precision adjustable capacitor according to claim 1, which is characterized in that the threaded connection section (6) is certainly round
The front end of boss (5) extends forward, and the rear end of round boss (5) is connected with circular flange (8), and circular flange (8) and insulation connect
The annular groove (9) of connect cylinder (1) rear end rotatably cooperates, and the rear end of insulation connecting cylinder (1) is connected with bearing gland (10), bearing pressure
(10) are covered to keep off circular flange (8) in annular groove (9)；There are bearing mounting hole (11) on bearing gland (10), bearing installation
It is equipped in hole (11) bearing (12), adjusting rod (4) rear portion is equipped with the section of stretching out (13) being rotatably assorted with bearing (12), section of stretching out
(13) it is pierced by backward from bearing gland (10).
3. precision adjustable capacitor according to claim 2, which is characterized in that bearing gland (10) ground connection connects
It connects.
4. precision adjustable capacitor according to claim 2, which is characterized in that the bearing gland (10) and insulation connect
Connect cylinder (1) is fixed together by bolt (16).
5. precision adjustable capacitor according to claim 1, which is characterized in that the length of the threaded connection section (6)
Greater than the length of interior polar circle cylinder (3).
6. accurate adjustable capacitor described in one of -5 according to claim 1, which is characterized in that the insulation connecting cylinder (1)
Inner hole side wall be equipped be parallel to insulation connecting cylinder (1) interior axially bored line guiding groove (14), the outer wall of interior polar circle cylinder (3)
It is equipped with the guiding fin (15) being slidably matched with guiding groove (14).
7. precision adjustable capacitor according to claim 6, which is characterized in that described insulation connecting cylinder (1) leading portion
Outer diameter is less than the outer diameter of its back segment, and the outer polar circle cylinder (2) covers the leading portion in insulation connecting cylinder (1).
8. precision adjustable capacitor according to claim 7, it is characterised in that: the front end of the threaded connection section (6)
Extend to the leading portion of insulation connecting cylinder (1) inner hole.
9. precision adjustable capacitor according to claim 1, which is characterized in that the adjusting interface (7) is " one " word
The straight groove of shape.
10. precision adjustable capacitor according to claim 1, which is characterized in that the medial surface of the outer polar circle cylinder (2)
Capacitor is formed relatively with the lateral surface of interior polar circle cylinder (3), is connect, is rotated with the adjusting interface for adjusting rod rear end by screwdriver
Screwdriver can be rotated adjusting rod, and adjusting rod makes the threaded connection section of its leading portion that interior polar circle cylinder be driven to connect in insulation when rotating
It slides axially in the inner hole of cylinder, the opposite face of the lateral surface of medial surface and interior polar circle cylinder that outer polar circle cylinder can be adjusted in this way
Product, so as to adjust capacitance size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625072.3A CN108933043A (en) | 2018-06-17 | 2018-06-17 | A kind of precision adjustable capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625072.3A CN108933043A (en) | 2018-06-17 | 2018-06-17 | A kind of precision adjustable capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108933043A true CN108933043A (en) | 2018-12-04 |
Family
ID=64446520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810625072.3A Pending CN108933043A (en) | 2018-06-17 | 2018-06-17 | A kind of precision adjustable capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035571A (en) * | 2021-03-14 | 2021-06-25 | 无锡鑫聚电子科技有限公司 | Capacitor with adjustable capacitance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3483450A (en) * | 1968-02-08 | 1969-12-09 | Voltronics Corp | Air dielectric adjustable capacitor |
| JPH05251269A (en) * | 1992-03-04 | 1993-09-28 | Meidensha Corp | Vacuum capacitor |
| CN105185590A (en) * | 2015-07-13 | 2015-12-23 | 昆山国力真空电器有限公司 | Miniaturized ceramic vacuum variable capacitor |
| CN107275089A (en) * | 2017-07-28 | 2017-10-20 | 深圳市创星信息科技有限公司 | A kind of adjustable barreled capacitor |
| CN208208568U (en) * | 2018-05-10 | 2018-12-07 | 刘凯 | A kind of adjustable condenser for radio-frequency power supply |
-
2018
- 2018-06-17 CN CN201810625072.3A patent/CN108933043A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3483450A (en) * | 1968-02-08 | 1969-12-09 | Voltronics Corp | Air dielectric adjustable capacitor |
| JPH05251269A (en) * | 1992-03-04 | 1993-09-28 | Meidensha Corp | Vacuum capacitor |
| CN105185590A (en) * | 2015-07-13 | 2015-12-23 | 昆山国力真空电器有限公司 | Miniaturized ceramic vacuum variable capacitor |
| CN107275089A (en) * | 2017-07-28 | 2017-10-20 | 深圳市创星信息科技有限公司 | A kind of adjustable barreled capacitor |
| CN208208568U (en) * | 2018-05-10 | 2018-12-07 | 刘凯 | A kind of adjustable condenser for radio-frequency power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035571A (en) * | 2021-03-14 | 2021-06-25 | 无锡鑫聚电子科技有限公司 | Capacitor with adjustable capacitance |
| CN113035571B (en) * | 2021-03-14 | 2022-05-10 | 无锡鑫聚电子科技有限公司 | Capacitor with adjustable capacitance |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181204 |
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| WD01 | Invention patent application deemed withdrawn after publication |