CN201112037Y - Electric-sensing structure used in wide frequency - Google Patents
Electric-sensing structure used in wide frequency Download PDFInfo
- Publication number
- CN201112037Y CN201112037Y CNU2007201286707U CN200720128670U CN201112037Y CN 201112037 Y CN201112037 Y CN 201112037Y CN U2007201286707 U CNU2007201286707 U CN U2007201286707U CN 200720128670 U CN200720128670 U CN 200720128670U CN 201112037 Y CN201112037 Y CN 201112037Y
- Authority
- CN
- China
- Prior art keywords
- iron core
- induction
- wide frequency
- coil
- frequency ranges
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model relates to an inductance structure applied to the wide frequency range, which comprises a first iron core, a second iron core and at least one coil. The first iron core is provided with a first electric magnetic inductance area, and the coil comprises at least a turn winded on the first electric magnetic inductance area and two terminal feet extending outside; a magnetic inductance space is formed between the coil and the first electric magnetic inductance area; the second iron core is arranged at the outside of the coil and covers the coil, and is provided with a second electric magnetic inductance area; the second electric magnetic inductance area is positioned in the magnetic inductance space between the coil and the first electric magnetic inductance area; wherein, the magnetic permeabilities of the first iron core and the second iron core are different. Due to the characteristic of inductance structure of the utility model that the turn can be gone through simultaneously by the first iron core and the second iron core, the filter frequency range of the single inductance structure can be effectively enlarged.
Description
Technical field
The utility model relates to a kind of induction structure that is applied to wide frequency ranges, particularly relates to a kind of induction structure with the coil that passes through for two kinds of different magnetic capacity iron cores.
Background technology
Inductor (Inductor) is one of passive component very important in the present electronic industry, it has the noise of filtration, suppresses immediate current, reduces electromagnetic interference (EMI, ElectroMagneticInterference) and function such as power transfer, also because multi-functional characteristic is widely used in the various electronic products inductor.No matter conventional coil type inductance or SMD (Surface Mount Device) inductance, its basic structure all possess the core structure that has coil that a power supply stream passes through and to be fastened for this coil.
Can produce various noise electric currents in the electronic product running, be influence in response to the different frequency noise, inductor at different signal frequency ranges generally is set respectively on circuit board, and those inductors further are electrically connected, to increase the frequency range that suppresses noise.Yet, because the trend that electronic product is microminiaturized day by day, though the installing of most inductors can increase the filtering working range, but the possibility that inevitable restricting circuits plate bulk is dwindled, may cause the mutual interference of signal phase again between the adjacent inductors, can cause problems such as signal instability, and on industry was made, the design of setting up inductor certainly will make assembling difficulty and production cost rise.In addition, when electric current actual flow during, can cause the phenomenon of leakage field in various degree through inductor, produce heat energy and lose, if when outside cover one during as the metal shell of isolated electromagnetic interference, more can cause the accumulation of heat energy, electronic product is damaged because of overheated.
This shows that above-mentioned existing inductor obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel induction structure that is applied to wide frequency ranges, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing inductor exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of novel induction structure that is applied to wide frequency ranges, can improve general existing inductor, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Main purpose of the present utility model is, overcome the defective that existing inductor exists, and provide a kind of novel induction structure that is applied to wide frequency ranges, technical problem to be solved is to make it enlarge the filter range of single inductor, to reduce the setting of inductor on the circuit board, be very suitable for practicality.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.Include according to the induction structure that is applied to wide frequency ranges that the utility model proposes: one first iron core possesses on it one first induction areas is arranged; At least one coil comprises at least one circle circle and two that is wound in this first induction areas and extends to outside terminal supportor, forms a magnetic strength space between this coil and this first induction areas; One second iron core covers in this coil outside, and possesses on it one second induction areas is arranged, and the magnetic strength space of this second induction areas between this coil and this first induction areas.
The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said first iron core and second iron core are different magnetic capacity.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said circle circle include an inner ring portion and an outer ring portion that supplies this second induction areas to pass through that supplies this first induction areas to pass through.
The following circle portion that the aforesaid induction structure that is applied to wide frequency ranges, wherein said circle circle include that last a circle portion that passes through for this first induction areas and this second induction areas of confession pass through.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said first iron core and this second iron core are circulus.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said first iron core and this second iron core are column structure.
The aforesaid induction structure that is applied to wide frequency ranges, the wherein said second iron core surface has a radiator structure at least.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said induction structure more are provided with the 3rd iron core that is arranged at this second iron core outside.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said the 3rd iron core and this first iron core or this second iron core are different magnetic capacity.
The aforesaid induction structure that is applied to wide frequency ranges, wherein said the 3rd iron core have a hole that supplies this terminal supportor to pass at least.
The utility model compared with prior art has tangible advantage and beneficial effect.As known from the above, for achieving the above object, the utility model provides a kind of induction structure that is applied to wide frequency ranges, include one first iron core, one second iron core, and at least one coil, this first iron core possesses one first induction areas is arranged, this coil comprises at least one circle circle and two that is wound in this first induction areas and extends to outside terminal supportor, form a magnetic strength space between this coil and this first induction areas, and this second iron core covers in this coil outside, and possesses one second induction areas is arranged, and the magnetic strength space of this second induction areas between this coil and this first induction areas; Wherein, this first iron core and this second iron core are different magnetic capacity.The utility model induction structure more is provided with the 3rd iron core that is arranged at this second iron core outside, and the 3rd iron core and this first iron core or this second iron core are different magnetic capacity, and the 3rd iron core has a hole that passes for this terminal supportor at least.The utility model can be by passing through first iron core of this coil and the assembling of second iron core simultaneously, increase the filtering frequency range of single inductor, and then on the minimizing circuit board inductor quantity is set, effectively save the space of circuit board, simplify the flow process in the industry making and reduce needed cost, very the person also can reduce because of a plurality of inductors cause electromagnetic interference mutually, transmits with the stabilizing circuit signal.
By technique scheme, the induction structure that the utility model is applied to wide frequency ranges has following advantage and beneficial effect at least:
1, it is simple in structure that the utility model is applied to the induction structure of wide frequency ranges, and manufacturing cost reduces relatively, thereby can significantly reduce cost, and increases economic efficiency, and quite has the value of industry.
2, the utility model is applied to the induction structure of wide frequency ranges, because it only is to do slightly structural change for inductor, so simple structure, manufacturing cost also reduces relatively, meet cost benefit, and the effect that can reach with product and to use practicality to compare value-for-money especially quite has the value of industry.
3, it is not only simple in structure that the utility model is applied to the induction structure of wide frequency ranges, and be more suitable for practicality in the use, more can meet the demand of user for the induction structure product that is applied to wide frequency ranges, can give the selection of consumer Geng Jia, and can significantly promote its overall efficiency, thereby more be suitable for practicality.
4, the utility model can reach the effect in the practicality really, and is not only easy to use, do not need miscellaneous formality, and the processing of structure formation is easy especially, meets cost benefit, and has the value on the industry really, is suitable for industrial circle and extensively promotes the use of.
In sum, by the feature that this circle circle in the utility model supplies this first iron core and this second iron core to pass through simultaneously, can effectively enlarge the frequency filtering scope of single induction structure.The utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing inductor has the outstanding effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the part-structure generalized section that the utility model is applied to induction structure one preferred embodiment of wide frequency ranges;
Fig. 2 is the structure section schematic diagram that the utility model is applied to induction structure one preferred embodiment of wide frequency ranges;
Fig. 3 is the coil schematic diagram that the utility model is applied to be divided among induction structure one preferred embodiment of wide frequency ranges Internal and external cycle portion;
Fig. 4 is the local part-structure generalized section by coil of induction structure one preferred embodiment first iron core that the utility model is applied to wide frequency ranges;
Fig. 5 is the local structure section schematic diagram by coil of induction structure one preferred embodiment first iron core that the utility model is applied to wide frequency ranges;
Fig. 6 is that the utility model is applied to be divided into the coil schematic diagram of circle portion up and down among induction structure one preferred embodiment of wide frequency ranges;
Fig. 7 is the structural profile schematic diagram that induction structure one preferred embodiment that the utility model is applied to wide frequency ranges is applied to columnar iron core;
Fig. 8 is the structural profile schematic diagram that induction structure one preferred embodiment that the utility model is applied to wide frequency ranges has a plurality of protuberance radiator structures;
Fig. 9 is the structural profile schematic diagram that induction structure one preferred embodiment that the utility model is applied to wide frequency ranges has a plurality of depressed part radiator structures;
Figure 10 is the part-structure decomposing schematic representation that the utility model is applied to another embodiment of induction structure of wide frequency ranges;
Figure 11 is the part-structure generalized section that the utility model is applied to another embodiment of induction structure of wide frequency ranges.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of the induction structure that is applied to wide frequency ranges, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.For convenience of description, in following embodiment, components identical is represented with identical numbering.
Explanation by embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Relevant detailed description of the present utility model and technology contents now just cooperate graphic being described as follows:
See also shown in " Fig. 1 ", it is the part-structure generalized section of the utility model one preferred embodiment, as shown in the figure: the utility model is a kind of induction structure that is applied to wide frequency ranges, include: one first iron core 10, one second iron core 20, and at least one coil 30, possessing on this first iron core 10 has one first induction areas 11, this coil 30 comprises at least one circle circle 31 and two that is wound in this first induction areas 11 and extends to outside terminal supportor 32,32a, and form a magnetic strength space between this coil 30 and this first induction areas 11, this second iron core 20 covers in this coil 30 outsides, and possess on it one second induction areas 21 is arranged, and the magnetic strength space of this second induction areas 21 between this coil 30 and this first induction areas 11 makes that this first iron core 10 and this second iron core 20 can be simultaneously by in the circle circles 31 of this coil 30.Reach shown in " Fig. 3 " as " Fig. 1 ", " Fig. 2 ", this circle circle 31 includes an inner ring portion 311 and an outer ring portion 312 that supplies this second induction areas 21 to pass through that supplies this first induction areas 11 to pass through, and makes this first iron core 10 can be arranged in circle circle 31 inside of this coil 30 fully; On the other hand, reach shown in " Fig. 6 " as " Fig. 4 ", " Fig. 5 ", this circle circle 31 can include the following circle portion 313 that last a circle portion 314 that passes through for this first induction areas 11 and passes through for this second induction areas 21, makes this first iron core 10 only partly be arranged in circle circle 31 inside of this coil 30.When the energising running, electric current can pass through this first induction areas 11 and this second induction areas 21 simultaneously through the magnetic line of force that this circle circle 31 is produced, and produces different magnetic loops respectively at this first induction areas 11 with this second induction areas 21; Wherein, this first iron core 10 is different magnetic capacity with this second iron core 20, the magnetic loop that is produced induces the filter range that different sensibility reciprocals can effectively increase inductance according to magnetic flux and magnetic capacity different, in addition, when arbitrary magnetic loop wherein takes place when saturated, another magnetic loop still has filter function.
The utility model induction structure can be applicable on the inductor of multiple pattern, ring-type inductance as shown in " Fig. 1 " or " Fig. 4 ", this first iron core 10 is a circulus, and this second iron core 20 is then for being coated on the corresponding circulus in these first iron core, 10 outsides.Perhaps be applied to the column inductance, shown in " Fig. 7 ", this first iron core 10 is a column structure, and this second iron core 20 is then for being coated on the corresponding column structure in these first iron core, 10 outsides.Be coated on circle circles 31 in this second iron core 20 can avoid electric current to pass through the time, can prevent the influence of electromagnetic interference, make circuit board obtain preferable job stability.
Again, when leakage field took place, iron core became the main member of heat energy accumulation, and second iron core of the present utility model, 20 surfaces there is no coil 30 and twine, there is no coil 30 compared to traditional inductor influences the problem that the iron core thermal source scatters and disappears, can be directly with the thermal source radiation in surrounding environment.Person very, outermost second iron core 20 surfaces have a radiator structure at least, this radiator structure can be a plurality of protuberances 22 (shown in " Fig. 8 ") or is a plurality of depressed parts 23 (shown in " Fig. 9 "), increases the heat energy that the effectively lost induction structure of area of dissipation produces in the work running.
In addition, the utility model induction structure more is provided with the 3rd iron core 40 that is arranged at these second iron core, 20 outsides, seeing also " Figure 10 " reaches shown in " Figure 11 ", the part-structure that is another embodiment of the utility model decomposes and the partial structurtes generalized section, as shown in the figure: the 3rd iron core 40 outer this second iron core, 20 outsides that are overlying on, and to have hole 41, the three iron cores 40 that pass for this terminal supportor 32,32a at least be different magnetic capacity with this first iron core 10 or this second iron core 20.When the energising running, the magnetic line of force that these coil 30 peripheries are produced is also by the 3rd iron core 40, make and have a magnetic loop in the 3rd iron core 40, different according to the magnetic flux of the 3rd iron core 40 and magnetic capacity, the configuration of the 3rd iron core 40 has the filtering frequency range scope different with this first iron core 10 or this second iron core 20, so, and the working range frequency of broadening induction structure once more, also can utilize the setting of unlike material the 3rd iron core 40, adjust the filter range of overall inductance structure.In addition, be arranged at outermost the 3rd iron core 40 also have isolated arround the function of electromagnetic interference, can strengthen electrical signal stability by this induction structure.
The tradition inductance utilizes the iron core of single material, twines induction coil to produce induced field outside this iron core, and the frequency filtering scope of inductor is relevant with the material of iron core, the unlike material iron core the also difference of scope of energy filtering.Therefore, desire is handled the noise of different frequency scope, must be by the inductor of the most different frequency filterings of installing.The utility model is applied to the induction structure of wide frequency ranges, be that coil 30 is embedded in this second iron core 20, owing to also have this first iron core 10 in this second iron core 20, make first induction areas 11 of second induction areas 21 of this second iron core 20 and this first iron core 10 be able to simultaneously circle circle 31 by this coil 30, but because this first iron core 10 is different with the magnetic capacity of this second iron core 20, when electric current passes through, produce different magnetic loops respectively at this first iron core 10 with this second iron core 20, have different magnetic capacity based on this first iron core 10 with this second iron core 20, can carry out filter function at the noise of different frequency, significantly increase the scope of frequency filtering, if wherein a magnetic loop takes place saturated, still have other magnetic loops to continue to have the function of filtering, so, can reach the effect that needs the most inductors of installing just can reach in the past.In addition, the utility model more can be set up the 3rd iron core 40 of different magnetic capacity outside this second iron core 20, except the usefulness as the adjustment of frequency filtering scope, also can be used as the anti-system of electromagnetic interference.
In sum, since the induction structure utilization that the utility model is applied to wide frequency ranges simultaneously by first iron core 10 in the circle circle 31 of this coil 30 and this second iron core 20 to enlarge the induction structure filter range, replacing the setting of most inductors on the circuit board, so in the industry manufacturing, reach the reduction processing procedure, purpose such as reduce production costs.These coil 30 bags are located in this second iron core 20 again, prevent that 30 of nearby electron element and this coils from producing electromagnetic interference, and make induction structure utilize this second iron core 20 that exposes to obtain preferable radiating efficiency.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1, a kind of induction structure that is applied to wide frequency ranges is characterized in that, this induction structure includes:
One first iron core (10) possesses on it one first induction areas (11) is arranged;
At least one coil (30) comprises at least one circle circle (31) and two that is wound in this first induction areas (11) and extends to outside terminal supportor (32,32a), forms a magnetic strength space between this coil (30) and this first induction areas (11);
One second iron core (20) covers in this coil (30) outside, and possesses on it one second induction areas (21) is arranged, and this second induction areas (21) is positioned at the magnetic strength space between this coil (30) and this first induction areas (11).
According to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that 2, wherein said first iron core (10) is different magnetic capacity with second iron core (20).
3, according to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that wherein said circle circle (31) includes an inner ring portion (311) and an outer ring portion (312) that supplies this second induction areas (21) to pass through that supplies this first induction areas (11) to pass through.
4, according to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that wherein said circle circle (31) includes a last circle portion (314) and a following circle portion (313) that supplies this second induction areas (21) to pass through that supplies this first induction areas (11) to pass through.
According to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that 5, wherein said first iron core (10) is a circulus with this second iron core (20).
According to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that 6, wherein said first iron core (10) is a column structure with this second iron core (20).
According to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that 7, wherein said second iron core (20) surface has a radiator structure at least.
According to the described induction structure that is applied to wide frequency ranges of claim 1, it is characterized in that 8, wherein said induction structure more is provided with one and is arranged at outside the 3rd iron core (40) of this second iron core (20).
9, the described according to Claim 8 induction structure that is applied to wide frequency ranges is characterized in that, wherein said the 3rd iron core (40) is different magnetic capacity with this first iron core (10) or this second iron core (20).
10, the described according to Claim 8 induction structure that is applied to wide frequency ranges is characterized in that, wherein said the 3rd iron core (40) has a hole (41) that passes for this terminal supportor (32,32a) at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201286707U CN201112037Y (en) | 2007-09-10 | 2007-09-10 | Electric-sensing structure used in wide frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201286707U CN201112037Y (en) | 2007-09-10 | 2007-09-10 | Electric-sensing structure used in wide frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201112037Y true CN201112037Y (en) | 2008-09-10 |
Family
ID=39963782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201286707U Expired - Fee Related CN201112037Y (en) | 2007-09-10 | 2007-09-10 | Electric-sensing structure used in wide frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201112037Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993860A (en) * | 2017-12-13 | 2018-05-04 | 上海电气集团股份有限公司 | A kind of high-speed circuit breaker electromagnetic repulsion mechanism coil |
| CN108923764A (en) * | 2015-06-02 | 2018-11-30 | 青岛海信电器股份有限公司 | A kind of filter |
-
2007
- 2007-09-10 CN CNU2007201286707U patent/CN201112037Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923764A (en) * | 2015-06-02 | 2018-11-30 | 青岛海信电器股份有限公司 | A kind of filter |
| CN107993860A (en) * | 2017-12-13 | 2018-05-04 | 上海电气集团股份有限公司 | A kind of high-speed circuit breaker electromagnetic repulsion mechanism coil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20020067234A1 (en) | Compact surface-mountable inductors | |
| CN110168676B (en) | Inductor and EMI filter including the same | |
| CN201222403Y (en) | Soft magnetic ferrite magnet core | |
| CN201112037Y (en) | Electric-sensing structure used in wide frequency | |
| CN203368934U (en) | PCB wiring inductor, and DC-DC circuit | |
| US20090278650A1 (en) | Inductor | |
| CN202918035U (en) | Vehicle-used transformer inductor three-in-one device | |
| CN206271494U (en) | A kind of laminated type film inductor | |
| CN201112035Y (en) | Electrical inductance structure | |
| CN207116165U (en) | A kind of three-phase embedding PFC inductance | |
| CN213400745U (en) | Magnetic core, magnetic integrated device and circuit board, domestic appliance thereof | |
| CN211088058U (en) | LL C transformer and LL C power supply | |
| CN107527722A (en) | A kind of low magnetism leakage, low-loss, efficient PFC inducer | |
| CN209561149U (en) | A kind of exoskeletal heavy-current inductor | |
| CN210606926U (en) | Two-way reactor | |
| CN201725649U (en) | Integrated inductor | |
| CN219892014U (en) | Common mode inductance and power supply circuit | |
| CN201266533Y (en) | Improved structure for inducer | |
| CN212809978U (en) | Multi-coil combined type large-current inductor | |
| CN201122486Y (en) | Inductor | |
| CN205881614U (en) | Integrated inductor based on differential mode filtering altogether | |
| CN206497796U (en) | A kind of SMD flat common mode inductance | |
| CN215680348U (en) | Space-saving oscillating inductor | |
| CN209625962U (en) | A kind of differential mode one inductor altogether | |
| CN202632923U (en) | Novel combined magnetic material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20110910 |