CN106298189A - A kind of mechanical type controllable impedance - Google Patents
A kind of mechanical type controllable impedance Download PDFInfo
- Publication number
- CN106298189A CN106298189A CN201610886551.1A CN201610886551A CN106298189A CN 106298189 A CN106298189 A CN 106298189A CN 201610886551 A CN201610886551 A CN 201610886551A CN 106298189 A CN106298189 A CN 106298189A
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- half magnetic
- lower half
- fine adjustment
- footstock
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
- H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The present invention relates to a kind of mechanical type controllable impedance, including footstock, base and the fine adjustment stage being located between footstock and base, lower half magnetic core, inductance coil and upper half magnetic core；Footstock is fixing with base to be connected；The base plate of fine adjustment stage is fixed on base, and the top board of fine adjustment stage is provided with lower half magnetic core, and upper half magnetic core is fixed on footstock, and inductance coil is located between upper half magnetic core and lower half magnetic core；The relative distance between lower half magnetic core and upper half magnetic core can be changed to regulate inductance value by the height of the top board of regulation fine adjustment stage.One mechanical type controllable impedance of the present invention, by arranging fine adjustment stage, and lower half magnetic core is located on the top board of fine adjustment stage, upper half magnetic core is fixed on footstock, when making the height of top board of user regulation fine adjustment stage, lower half magnetic core moves along a straight line, thus changes the relative distance between lower half magnetic core and upper half magnetic core to regulate inductance value, this controllable impedance, simple in construction, operation facility, degree of regulation are high, linearity height.
Description
Technical field
The present invention relates to inductive technologies field, more particularly, to a kind of mechanical type controllable impedance.
Background technology
Traditional controllable impedance has following form: oscillator coil is to change coil by the distance changing magnetic cap and coil
Inductance value；Row oscillation coil is to change the inductance value of coil by the distance between change magnetic core and coil；Line linearity coil
Being a kind of nonlinear magnetism pulsactor coil, its inductance value reduces with the increase of electric current.Above-mentioned inductance has operation not convenient, electricity
Inductance value is difficult to the shortcomings such as accurate regulation.Such as in the matching network of Ultrasonic machining power supply, for different vibrational systems, processing
Condition and working environment, required coupling inductance is the most different, so during debugging vibrational system, coupling requires the highest, urgently
Need that one simple to operate, degree of regulation is high, the linearity is high dynamically regulates inductance.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of mechanical type controllable impedance, this controllable impedance
Simple in construction, operation facility, degree of regulation are high, linearity height.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
There is provided a kind of mechanical type controllable impedance, including footstock, base and the fine adjustment stage being located between footstock and base, lower half magnetic
Core, inductance coil and upper half magnetic core；Footstock is fixing with base to be connected；The base plate of fine adjustment stage is fixed on base, fine adjustment stage
Top board be provided with lower half magnetic core, described upper half magnetic core is fixed on footstock, and inductance coil is located at upper half magnetic core and lower half magnetic core
Between；The relative distance between lower half magnetic core and upper half magnetic core can be changed with regulation by the height of the top board of regulation fine adjustment stage
Inductance value.
In such scheme, by arranging fine adjustment stage, and lower half magnetic core is located on the top board of fine adjustment stage, by upper half magnetic
Core is fixed on footstock so that during the height of top board of user regulation fine adjustment stage, lower half magnetic core moves along a straight line, thus changes
Become the relative distance between lower half magnetic core and upper half magnetic core to regulate inductance value.One mechanical type controllable impedance of the present invention, structure
Simply, operation is convenient, degree of regulation is high, the linearity is high.
Preferably, described fine adjustment stage includes vernier knob, can be regulated the top board of fine adjustment stage by rotary fine adjustment knob
Height.Arranging of vernier knob provides convenient to the operation of user.
Preferably, upper half magnetic core is plane with the contact surface of footstock and the contact surface of lower half magnetic core and top board.So set
Put the contact area that can increase upper half magnetic core with footstock, lower half magnetic core and the contact area of top board so that upper half magnetic core and lower half
Magnetic core can preferably be separately fixed on footstock and top board.It is further preferred that described upper half magnetic core and lower half magnetic core are E type
Any one in magnetic core, EP type magnetic core, LP type magnetic core, RM type magnetic core and PQ type magnetic core.
Preferably, the top board of fine adjustment stage is aluminium alloy structure.Alternatively, described mechanical type controllable impedance also wraps
Including the rebound of aluminium alloy structure, the rebound of described aluminium alloy structure is located between top board and lower half magnetic core.Energy is so set
The top board preventing fine adjustment stage is magnetized.
Preferably, footstock and top board being equipped with baffle plate, described baffle plate is used for fixing upper half magnetic core and lower half magnetic core.As
Being equipped with baffle plate on the rebound of another program, footstock and aluminium alloy structure, described baffle plate is used for fixing upper half magnetic core and lower half
Magnetic core.It is further preferred that described baffle plate is provided with screwed hole, tight lock screw wears screwed hole with fixing upper half magnetic core and lower half
Magnetic core.
Preferably, footstock is connected by studs with base.So connect and be easy to from footstock, disassemble base,
It is easy to maintenance when fine adjustment stage breaks down or changes.
Compared with prior art, the invention has the beneficial effects as follows:
One mechanical type controllable impedance of the present invention, by arranging fine adjustment stage, and is located at the top board of fine adjustment stage by lower half magnetic core
On, upper half magnetic core is fixed on footstock so that during the height of top board of user regulation fine adjustment stage, lower half magnetic core does straight line
Motion, thus change the relative distance between lower half magnetic core and upper half magnetic core to regulate inductance value, this controllable impedance simple in construction,
Operation is convenient, degree of regulation is high, the linearity is high；By arranging vernier knob, making user pass through rotary fine adjustment knob can adjust
The height of the top board of joint fine adjustment stage, provides convenient to the operation of user；By by the contact surface of upper half magnetic core and footstock and
The contact surface of lower half magnetic core and top board is disposed as plane, can increase the contact area of upper half magnetic core and footstock, lower half magnetic core and
The contact area of top board so that upper half magnetic core and lower half magnetic core can preferably be fixed on footstock and top board；By fine setting is put down
The top board of platform is set to aluminium alloy structure or arranges the rebound of aluminium alloy structure between top board and lower half magnetic core, can prevent micro-
The top board of leveling platform is magnetized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment a kind of mechanical type controllable impedance.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.Wherein, being merely cited for property of accompanying drawing illustrates,
Represent is only schematic diagram, rather than pictorial diagram, it is impossible to it is interpreted as the restriction to this patent；In order to the reality of the present invention is better described
Executing example, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, in accompanying drawing, some known features and explanation thereof may be omitted and be will be understood by.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the embodiment of the present invention；Retouching in the present invention
In stating, it is to be understood that if having term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be for based on accompanying drawing
Shown orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore position relationship described in accompanying drawing
Term being merely cited for property explanation, it is impossible to be interpreted as the restriction to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1
The structural representation of the present embodiment a kind of mechanical type controllable impedance is as it is shown in figure 1, include footstock 8, base 1 and be located at footstock
Fine adjustment stage 11, lower half magnetic core 5, inductance coil 6 and upper half magnetic core 7 between 8 and base 1；Footstock 8 is fixing with base 1 to be connected；
The base plate 12 of fine adjustment stage 11 is fixed on base 1, and the top board 13 of fine adjustment stage 11 is provided with lower half magnetic core 5, described upper half magnetic
Core 7 is fixed on footstock 8, and inductance coil 6 is located between upper half magnetic core and lower half magnetic core 5；By regulating the top of fine adjustment stage 11
The height of plate 13 can change the relative distance between lower half magnetic core 5 and upper half magnetic core 7 to regulate inductance value.
When using this controllable impedance, user, by the height of the top board 13 of regulation fine adjustment stage 11, can make lower half magnetic
Core 5 moves along a straight line, thus changes the relative distance between lower half magnetic core 5 and upper half magnetic core 7 to regulate inductance value.The present invention one
Planting mechanical type controllable impedance, simple in construction, operation facility, degree of regulation are high, linearity height.
Wherein, described fine adjustment stage 11 includes vernier knob 3, can regulate fine adjustment stage 11 by rotary fine adjustment knob 3
The height of top board 13.Arranging of vernier knob 3 provides convenient to the operation of user.
It addition, upper half magnetic core 7 is plane with the contact surface of footstock 8 and the contact surface of lower half magnetic core 5 and top board 13.So
The contact area that can increase upper half magnetic core 7 with footstock 8, lower half magnetic core 5 and the contact area of top board 13 are set so that upper half magnetic core
7 can preferably be separately fixed on footstock 8 and top board 13 with lower half magnetic core 5.Described upper half magnetic core 7 is identical with lower half magnetic core 5
The magnetic core of structure, specifically, can be in E-type magnetic core, EP type magnetic core, LP type magnetic core, RM type magnetic core and PQ type magnetic core is arbitrary
Kind.In the present embodiment, described upper half magnetic core 7 and lower half magnetic core 5 are mutually isostructural E-type magnetic core, concretely EC type magnetic core,
EE type magnetic core, EF type magnetic core, EI type magnetic core, EFD type magnetic core, EPC type magnetic core, EER type magnetic core or ETD type magnetic core.
Wherein, the top board 13 of fine adjustment stage 11 is aluminium alloy structure.The top board 13 that can prevent fine adjustment stage 11 is so set
It is magnetized.
It addition, be equipped with baffle plate 14 on footstock 8 and top board 13, described baffle plate 14 is used for fixing upper half magnetic core 7 and lower half
Magnetic core 5.
Wherein, described baffle plate 14 is provided with screwed hole, and tight lock screw 9 wears screwed hole with fixing upper half magnetic core 7 and lower half
Magnetic core 5.
It addition, footstock 8 is connected by studs 2 with base 1.So connect under being easy to dismantle base 1 from footstock 8
Come, be easy to maintenance when fine adjustment stage 11 breaks down or change.
Embodiment 2
Embodiment 2 with the difference of embodiment 1 is: described mechanical type controllable impedance also includes the rebound 4 of aluminium alloy structure, described
The rebound 4 of aluminium alloy structure is located between top board 13 and lower half magnetic core 5, as shown in Figure 1.So arrange and can prevent fine adjustment stage
The top board 13 of 11 is magnetized.
In the present embodiment, the rebound 4 of footstock 8 and aluminium alloy structure being equipped with baffle plate 14, described baffle plate 14 is for solid
Determine upper half magnetic core 7 and lower half magnetic core 5.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.All at this
Any amendment, equivalent and the improvement etc. made within the spirit of invention and principle, should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a mechanical type controllable impedance, it is characterised in that include footstock (8), base (1) and be located at footstock (8) and base (1)
Between fine adjustment stage (11), lower half magnetic core (5), inductance coil (6) and upper half magnetic core (7)；Footstock (8) is fixed with base (1)
Connect；The base plate (12) of fine adjustment stage (11) is fixed on base (1), and the top board (13) of fine adjustment stage (11) is provided with lower half magnetic
Core (5), described upper half magnetic core (7) is fixed on footstock (8), inductance coil (6) be located at upper half magnetic core and lower half magnetic core (5) it
Between；The phase between lower half magnetic core (5) with upper half magnetic core (7) can be changed by the height of the top board (13) of regulation fine adjustment stage (11)
Adjust the distance to regulate inductance value.
A kind of mechanical type controllable impedance the most according to claim 1, it is characterised in that described fine adjustment stage (11) includes micro-
Adjust knob (3), the height of the top board (13) of fine adjustment stage (11) can be regulated by rotary fine adjustment knob (3).
A kind of mechanical type controllable impedance the most according to claim 1, it is characterised in that upper half magnetic core (7) and footstock (8)
The contact surface of contact surface and lower half magnetic core (5) and top board (13) is plane.
A kind of mechanical type controllable impedance the most according to claim 3, it is characterised in that described upper half magnetic core (7) and lower half
Magnetic core (5) is any one in E-type magnetic core, EP type magnetic core, LP type magnetic core, RM type magnetic core and PQ type magnetic core.
A kind of mechanical type controllable impedance the most according to claim 1, it is characterised in that the top board (13) of fine adjustment stage (11)
For aluminium alloy structure.
A kind of mechanical type controllable impedance the most according to claim 1, it is characterised in that described mechanical type controllable impedance also wraps
Include the rebound (4) of aluminium alloy structure, the rebound (4) of described aluminium alloy structure be located at top board (13) and lower half magnetic core (5) it
Between.
A kind of mechanical type controllable impedance the most according to claim 1, it is characterised in that footstock (8) and top board (13) are upper all
Being provided with baffle plate (14), described baffle plate (14) is used for fixing upper half magnetic core (7) and lower half magnetic core (5).
A kind of mechanical type controllable impedance the most according to claim 6, it is characterised in that footstock (8) and aluminium alloy structure
Being equipped with baffle plate (14) on rebound (4), described baffle plate (14) is used for fixing upper half magnetic core (7) and lower half magnetic core (5).
9. according to a kind of mechanical type controllable impedance described in claim 7 or 8, it is characterised in that described baffle plate (14) is provided with
Screwed hole, tightly locks screw (9) and wears screwed hole with fixing upper half magnetic core (7) and lower half magnetic core (5).
10. according to a kind of mechanical type controllable impedance described in any one of claim 1 to 8, it is characterised in that footstock (8) and the end
Seat (1) is connected by studs (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886551.1A CN106298189B (en) | 2016-10-11 | 2016-10-11 | A kind of mechanical controllable impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886551.1A CN106298189B (en) | 2016-10-11 | 2016-10-11 | A kind of mechanical controllable impedance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106298189A true CN106298189A (en) | 2017-01-04 |
| CN106298189B CN106298189B (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886551.1A Active CN106298189B (en) | 2016-10-11 | 2016-10-11 | A kind of mechanical controllable impedance |
Country Status (1)
| Country | Link |
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| CN (1) | CN106298189B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424809A (en) * | 2017-07-27 | 2017-12-01 | 国网湖北省电力公司计量中心 | A kind of inductance-regulation resonance reactor open core bidirectional adjustment mechanism |
| CN107657705A (en) * | 2017-10-27 | 2018-02-02 | 岭南师范学院 | A kind of Intelligent lock structure for public lease bicycle |
| CN107895642A (en) * | 2017-11-22 | 2018-04-10 | 浙江大学 | The controllable impedance device and its application method of a kind of inductance value even variation |
| CN108257773A (en) * | 2017-12-25 | 2018-07-06 | 北京航空航天大学 | A kind of controllable impedance system for ultrasonic transducer Dynamic Matching |
| CN108630415A (en) * | 2018-04-26 | 2018-10-09 | 广东美的厨房电器制造有限公司 | Transformer and microwave cooking electric appliance |
| WO2022117249A1 (en) * | 2020-12-04 | 2022-06-09 | Siemens Aktiengesellschaft | Inductive component having a magnetic core |
| CN115547617A (en) * | 2022-09-23 | 2022-12-30 | 江苏东方四通科技股份有限公司 | Adjustable inductor, inductance value adjusting method and switching power supply |
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| CN203747713U (en) * | 2014-01-23 | 2014-07-30 | 广东工业大学 | Air gap adjusting device of inductor |
| CN203950660U (en) * | 2014-06-16 | 2014-11-19 | 国家电网公司 | A kind of ultra high voltage office with magnet shielding structure puts and uses Regulatable reactor |
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| US4328475A (en) * | 1980-06-02 | 1982-05-04 | Motorola Inc. | Tuning core apparatus |
| CN2327057Y (en) * | 1997-11-28 | 1999-06-30 | 沈阳变压器有限责任公司 | Variable reactor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424809A (en) * | 2017-07-27 | 2017-12-01 | 国网湖北省电力公司计量中心 | A kind of inductance-regulation resonance reactor open core bidirectional adjustment mechanism |
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| CN107895642A (en) * | 2017-11-22 | 2018-04-10 | 浙江大学 | The controllable impedance device and its application method of a kind of inductance value even variation |
| CN107895642B (en) * | 2017-11-22 | 2019-05-24 | 浙江大学 | A kind of the controllable impedance device and its application method of inductance value even variation |
| CN108257773A (en) * | 2017-12-25 | 2018-07-06 | 北京航空航天大学 | A kind of controllable impedance system for ultrasonic transducer Dynamic Matching |
| CN108630415A (en) * | 2018-04-26 | 2018-10-09 | 广东美的厨房电器制造有限公司 | Transformer and microwave cooking electric appliance |
| WO2022117249A1 (en) * | 2020-12-04 | 2022-06-09 | Siemens Aktiengesellschaft | Inductive component having a magnetic core |
| CN115547617A (en) * | 2022-09-23 | 2022-12-30 | 江苏东方四通科技股份有限公司 | Adjustable inductor, inductance value adjusting method and switching power supply |
| CN115547617B (en) * | 2022-09-23 | 2023-10-27 | 江苏东方四通科技股份有限公司 | Adjustable inductor, inductance adjusting method and switching power supply |
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