CN206149135U - EMC filter circuit and electromagnetism stove - Google Patents
EMC filter circuit and electromagnetism stove Download PDFInfo
- Publication number
- CN206149135U CN206149135U CN201621176545.9U CN201621176545U CN206149135U CN 206149135 U CN206149135 U CN 206149135U CN 201621176545 U CN201621176545 U CN 201621176545U CN 206149135 U CN206149135 U CN 206149135U
- Authority
- CN
- China
- Prior art keywords
- circuit
- mode inductance
- differential mode
- emc filter
- output end
- 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
- 239000002707 nanocrystalline material Substances 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000002178 crystalline material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- FHQMNXWCKXZQEW-UHFFFAOYSA-N 1-(2-ethylphenyl)-2-(methylamino)propan-1-one Chemical compound CCC1=CC=CC=C1C(=O)C(C)NC FHQMNXWCKXZQEW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Abstract
The utility model provides an EMC filter circuit (10) and electromagnetism stove. The EMC filter circuit (10) includes: a first capacitor (11), a common mode inductor (12) and a differential mode inductor circuit (13); the first capacitor (11) is connected in parallel with the output end of the common-mode inductor (12), and the first output end of the common-mode inductor (12) is also connected with one end of the differential-mode inductor circuit (13); a first input end and a second input end of the common mode inductor (12) are used as input ends of the EMC filter circuit (10) for connecting a mains supply; a second output end of the common mode inductor (12) and the other end of the differential mode inductor circuit (13) are used as output ends of the EMC filter circuit (10) for outputting filtered mains supply; the magnetic core of the differential mode inductance circuit (13) is made of amorphous materials or nanocrystalline materials, and the filtering effect is improved.
Description
Technical field
The utility model is related to circuit structure technical field, more particularly to a kind of EMC filter circuit and electromagnetic oven.
Background technology
Electro Magnetic Compatibility (Electro Magnetic Compatibility, abbreviation EMC) is referred in same electromagnetic environment
In, equipment can not be because of the interference effect normal work of other equipment, while also other equipment is not produced affecting the dry of work
Disturb.With the fast development of information technology, the electronic equipment in subscriber household is more and more, and the EMC of electronic equipment is required to heal
Come higher.There is strict standard in every country or area for the EMC of electronics and IT products.
To filter the external electromagnetic electromagnetic interference introduced from power line, making an uproar while avoiding this electronic equipment from sending to outside
Acoustic jamming affects the work of other electronic equipments under same electromagnetic environment, and meets the national standard about EMC, needs for electricity
Sub- equipment increases EMC filter circuit.Common EMC filter circuit is, by the magnet ring increased on power line, to increase on wiring board
X2 suppresses the compositions such as powered electromagnetic interference electricity container, the common mode inductance of ferrite material, differential mode inductance, existing EMC filtering
Circuit filtering element is more, stand-by power consumption is than larger and cost is also high.
Utility model content
At least one problem mentioned in order to solve background technology, the utility model provide a kind of EMC filter circuit and
Electromagnetic oven, improves filter effect.
On the one hand the utility model provides a kind of EMC filter circuit, including：First electric capacity, common mode inductance and differential mode inductance
Circuit；Wherein,
First output end of the common mode inductance is connected with the first end of first electric capacity, and the second of the common mode inductance
Output end is connected with the second end of first electric capacity, the first output end of the common mode inductance also with the differential mode inductance circuit
One end connection；
The first input end of the common mode inductance and the second input are used to connect as the input of the EMC filter circuit
Connect mains supply；
The other end of the second output end of the common mode inductance and the differential mode inductance circuit is used as the EMC filter circuit
Output end be used for export filtered mains supply；
The magnetic core of the differential mode inductance circuit is made up of non-crystalline material or nanocrystalline material.
Because the magnetic core of the differential mode inductance in EMC filter circuit of non-crystalline material or nanocrystalline material by being made up, improve
Magnetic conductivity, and then the filter effect of differential mode inductance is improve, while can be by using the first relatively low electric capacity of capacitance, it is possible to decrease
The stand-by power consumption of EMC filter circuit, therefore, the EMC filter circuit that the utility model is provided can improve filter effect, reduce standby
Power consumption.
EMC filter circuit as above, also includes：Second electric capacity；
The other end of the differential mode inductance circuit is connected with one end of second electric capacity, and the second of the common mode inductance is defeated
Go out end to be connected with the other end of second electric capacity.
Filter effect is further increased by increasing by the second electric capacity.
EMC filter circuit as above, the differential mode inductance circuit includes：First differential mode inductance and the second differential mode electricity
Sense；
The first end of first differential mode inductance is connected with the first output end of the common mode inductance, the first differential mode electricity
Second end of sense is connected with the first end of second differential mode inductance；
Second end of the second output end of the common mode inductance and second differential mode inductance is used as the EMC filter circuit
Output end be used for export filtered mains supply.
EMC filter circuit as above, the differential mode inductance includes magnetic material and coiled wire-wound coil, the coiled wire-wound coil
It is fixed on inside the magnetic material, the differential mode inductance is integrally formed.
Integrally formed differential mode inductance can by Machine automated processing, so as to reduce the manufacturing cost of differential mode inductance,
The precision of differential mode inductance can be improved.
On the other hand the utility model provides a kind of electromagnetic oven, including EMC filter circuit as above, rectification circuit,
Resonance circuit, on-off circuit；Wherein,
The input of the common mode inductance is connected with mains supply, the output end and rectification circuit of the EMC filter circuit
Ac input end connection, the DC output end of the rectification circuit is sequentially connected with the on-off circuit, the resonance circuit,
Form current supply circuit.
Because EMC filter circuit has preferable filter circuit, stand-by power consumption relatively low, therefore, filtered using EMC as described above
The electromagnetic oven of wave circuit has preferable working effect, reduces electromagnetic interference of the electromagnetic oven to surrounding environment, has saved electric energy.
Electromagnetic oven as above, also includes：Protective tube, the input of the mains supply and the EMC filter circuit
Between be connected with protective tube.
Because protective tube can fuse when electric current is larger, power to electromagnetic oven so as to stop mains supply, cause electromagnetic oven
Quit work, can play a part of to protect electromagnetic oven.
Electromagnetic oven as above, also includes：Control circuit, the on-off circuit includes IGBT circuits；
The collector and emitter of the IGBT circuits is connected in the current supply circuit；
The control circuit is connected with the base stage of the IGBT circuits, for controlling conducting or the pass of the IGBT circuits
It is disconnected.
Construction of the present utility model and its other utility model purposes and beneficial effect will be by combining accompanying drawing
Description of preferred embodiments and become apparent from understandable.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the utility model embodiment, below will be to wanting needed for embodiment description
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, without having to pay creative labor, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
The structural representation one of the EMC filter circuit that Fig. 1 is provided for the utility model；
The structural representation two of the EMC filter circuit that Fig. 2 is provided for the utility model；
The structural representation three of the EMC filter circuit that Fig. 3 is provided for the utility model；
The structural representation four of the EMC filter circuit that Fig. 4 is provided for the utility model；
The structural representation one of the electromagnetic oven that Fig. 5 is provided for the utility model；
The structural representation two of the electromagnetic oven that Fig. 6 is provided for the utility model；
The structural representation three of the electromagnetic oven that Fig. 7 is provided for the utility model.
Reference：
10-EMC filter circuit；11-the first electric capacity；12-common mode inductance；
13-differential mode inductance circuit；131-the first differential mode inductance；132-the second differential mode inductance；
14-the second electric capacity；15-magnetic material；16-coiled wire-wound coil；
20-rectification circuit；30-resonance circuit；40-on-off circuit；
41-IGBT circuits；50-protective tube；60-control circuit.
Specific embodiment
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the enforcement in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
The structural representation one of the EMC filter circuit that Fig. 1 is provided for the utility model.Referring to Fig. 1, the EMC filter circuit
10, including：First electric capacity 11, common mode inductance 12 and differential mode inductance circuit 13；Wherein,
First output end of common mode inductance 12 is connected with the first end of the first electric capacity 11, the second output end of common mode inductance 12
It is connected with the second end of the first electric capacity 11, the first output end of common mode inductance 12 is also connected with one end of differential mode inductance circuit 13；
The first input end of common mode inductance 12 and the second input are used to connect city as the input of EMC filter circuit 10
Power supply；
The output of second output end of common mode inductance 12 and the other end of differential mode inductance circuit 13 as EMC filter circuit 10
Hold for exporting filtered mains supply；
The magnetic core of differential mode inductance circuit 13 is made up of non-crystalline material or nanocrystalline material.
Specifically, the EMC filter circuit that the utility model is provided is widely used in electromagnetic oven, insulating pot, air-conditioning, TV etc.
In each electric appliances.According to the difference and the difference of the interference for filtering of application apparatus, EMC filter circuit 10 is exemplary, can wrap
Include the first electric capacity 11, common mode inductance 12 and differential mode inductance circuit 13.
Wherein, common mode inductance 12 is used for the electromagnetic wave outside radiation-emitting for suppressing HW High Way to produce.Common mode inductance 12
First input end and the second input as EMC filter circuit 10 input be used for connect mains supply, mains supply shows
Example property can be 220 volts of alternating voltages.First output end of common mode inductance 12 is connected with the first end of the first electric capacity 11, common mode
Second output end of inductance 12 is connected with the second end of the first electric capacity 11, i.e., the first electric capacity 11 is connected in parallel on the output of common mode inductance 12
End.
First output end of common mode inductance 12 is also connected with one end of differential mode inductance circuit 13, and the second of common mode inductance 12 is defeated
Go out the other end at end and differential mode inductance circuit 13 is used to export filtered civil power electricity as the output end of EMC filter circuit 10
Source, the output end of EMC filter circuit 10 is generally connected with the operating circuit of the electronic equipment for installing the EMC filter circuit 10, to
Operating circuit provides filtered mains supply.Optionally, it is contemplated that most electronic device works are in direct-current working volts
Under, the output end of EMC filter circuit 10 is generally connected with alternating current-direct current rectification circuit.
Optionally, as shown in figure 1, differential mode inductance circuit 13 includes a differential mode inductance.Further, differential mode inductance circuit
The magnetic core of the differential mode inductance in 13 is made up of non-crystalline material or nanocrystalline material, compares using gold such as conventional iron, nickel, copper, aluminium
Magnetic core made by category material, the magnetic core by made by non-crystalline material or nanocrystalline material that the utility model is provided, magnetic conductivity is obtained
Improve, and then improve the filter effect of differential mode inductance circuit 13, due to differential mode inductance circuit 13 filtering performance preferably, because
This, can adopt the capacitance of the first electric capacity 11 with relatively low capacitance, the first electric capacity 11 reduces, it is possible to decrease EMC filter circuit
10 stand-by power consumption.
The EMC filter circuit that the utility model is provided includes：First electric capacity, common mode inductance and differential mode inductance circuit；Wherein,
First electric capacity is connected in parallel on the output end of common mode inductance, and the output end of common mode inductance is connected with differential mode inductance circuit, wherein differential mode electricity
The magnetic core of inductive circuit is made up of non-crystalline material or nanocrystalline material.Differential mode electricity in the EMC filter circuit that the utility model is provided
The magnetic core of inductive circuit improves magnetic conductivity by being made up of non-crystalline material or nanocrystalline material, and then improves differential mode inductance circuit
Filter effect, while can be by using relatively low the first electric capacity of capacitance, it is possible to decrease the stand-by power consumption of EMC filter circuit, because
This, the EMC filter circuit that the utility model is provided can improve filter effect, reduce stand-by power consumption.
On the basis of embodiment illustrated in fig. 1, the structural representation of the EMC filter circuit that Fig. 2 is provided for the utility model
Two, as shown in Fig. 2 EMC filter circuit 10 also includes：Second electric capacity 14；
The other end of differential mode inductance circuit 13 is connected with one end of the second electric capacity 14, the second output end of common mode inductance 12 with
The other end connection of the second electric capacity 14.
Exemplary, as shown in Fig. 2 in actual application, in the output end of EMC filter circuit 10 is arranged in parallel
Two electric capacity 14, to improve the filter effect of EMC filter circuit 10.
On the basis of Fig. 1 or embodiment illustrated in fig. 2, the structure of the EMC filter circuit that Fig. 3 is provided for the utility model is shown
It is intended to three, as shown in figure 3, differential mode inductance circuit 13 includes：First differential mode inductance 131 and the second differential mode inductance 132；
The first end of the first differential mode inductance 131 is connected with the first output end of common mode inductance 12, the first differential mode inductance 131
Second end is connected with the first end of the second differential mode inductance 132；
Second end of the second output end of common mode inductance 12 and the second differential mode inductance 132 is used as the defeated of EMC filter circuit 10
Go out end for exporting filtered mains supply.
Specifically, it is to improve filter effect, the differential mode inductance composition differential mode inductance circuit 13 of two series connection, example can be adopted
Property, when the differential mode inductance using two series connection constitutes differential mode inductance circuit 13, the iron with common magnetic material can be adopted
The differential mode inductance of oxysome.
On the basis of any of the above-described embodiment, the structural representation of the EMC filter circuit that Fig. 4 is provided for the utility model
Four, as shown in figure 4, differential mode inductance includes magnetic material 15 and coiled wire-wound coil 16, coiled wire-wound coil 16 is fixed in magnetic material 15
Portion, differential mode inductance is integrally formed.
Specifically, the first differential mode inductance 131 and the second differential mode inductance 132 are as die casting inductance, the coiling of differential mode inductance
Coil 16 is arranged on inside magnetic material 15, and coiled wire-wound coil 16 and differential mode inductance can be by Machine automated processing, so as to reduce
The manufacturing cost of differential mode inductance, also improves the precision of differential mode inductance.
Optionally, what the capacity of the first electric capacity and the second electric capacity was exemplary can be 2 microfarads, the first electric capacity and the second electric capacity
Capacity and without departing from 5 microfarads.Common mode inductance is arranged on into the first electric capacity front end so that EMC filter circuit is to high band noise
Filter effect it is relatively good, it is exemplary, it is brighter for the filter effect of frequency range more than 5M hertz for electromagnetic oven
It is aobvious.
On the other hand the utility model provides a kind of electromagnetic oven, below the utility model is provided using specific embodiment
Electromagnetic oven is described in detail.On the basis of any of the above-described embodiment, the structure of the electromagnetic oven that Fig. 5 is provided for the utility model
Schematic diagram one, as shown in figure 5, electromagnetic oven is included such as the EMC filter circuit 10 in above-mentioned any embodiment, and rectification circuit
20th, resonance circuit 30 and on-off circuit 40；Wherein,
The input of common mode inductance 11 is connected with mains supply, output end and the rectification circuit 20 of EMC filter circuit 10
Ac input end connects, and DC output end and on-off circuit 40, the resonance circuit 30 of rectification circuit 20 are sequentially connected, and forms power supply
Loop.
Exemplary, as shown in figure 5, electromagnetic oven includes EMC filter circuit 10, the rectification circuit 20, resonance being sequentially connected
Circuit 30 and on-off circuit 40.Specifically, the input of EMC filter circuit 10, the i.e. input of common mode inductance 11 and civil power electricity
Source connects, and the first electric capacity 11 in EMC filter circuit 10 is connected in parallel on the output end two ends of common mode inductance 11, EMC filter circuit 10
Output end be connected with the ac input end of rectification circuit 20, the second electric capacity 14 is connected in parallel on the ac input end of rectification circuit 20
Two ends, DC output end and on-off circuit 40, the resonance circuit 30 of rectification circuit 20 are sequentially connected, and form current supply circuit.
The EMC filter circuit arranged in the electromagnetic oven that the utility model is provided has preferable filter circuit, stand-by power consumption
It is relatively low, therefore so that electromagnetic oven has preferable working effect, reduces electromagnetic interference of the electromagnetic oven to surrounding environment, saves
Electric energy.
On the basis of embodiment illustrated in fig. 5, the structural representation two of the electromagnetic oven that Fig. 6 is provided for the utility model.Such as
Shown in Fig. 6, electromagnetic oven also includes：Protective tube is connected between the input of protective tube 50, mains supply and EMC filter circuit 10
50。
Specifically, to avoid electromagnetic oven from working at higher currents, or avoid higher dash current from flowing into electromagnetic oven leading
Cause electromagnetic oven to burn out, protective tube 50 can be set between the input of mains supply and EMC filter circuit 10, protective tube 50 can be
Fuse when electric current is larger, power to electromagnetic oven so as to stop mains supply, cause electromagnetic oven to quit work, protect electromagnetic oven.
On the basis of Fig. 5 or embodiment illustrated in fig. 6, the structural representation of the electromagnetic oven that Fig. 7 is provided for the utility model
Three.As shown in fig. 7, electromagnetic oven also includes：Control circuit 60, on-off circuit 40 includes IGBT circuits 41；
The collector and emitter of IGBT circuits 41 is connected in current supply circuit；
Control circuit 60 is connected with the base stage of IGBT circuits 41, for controlling the on or off of IGBT circuits 41.
Exemplary, on-off circuit 40 is specifically as follows insulated gate bipolar transistor (Insulated Gate
Bipolar Transistor, abbreviation IGBT) circuit, transistor circuit etc..When on-off circuit 40 includes IGBT circuits 41,
The collector and emitter of IGBT circuits 41 is connected to rectification circuit 20 and is in turn connected to form with on-off circuit 40, resonance circuit 30
Current supply circuit in.The control circuit 60 of electromagnetic oven is connected with the base stage of IGBT circuits 41, for controlling leading for IGBT circuits 41
Logical or shut-off.
Optionally, resonance circuit 30 includes inductance and electric capacity in parallel.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It still can modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent；And these are changed or are replaced, the essence for not making appropriate technical solution departs from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of EMC filter circuit (10), it is characterised in that include：First electric capacity (11), common mode inductance (12) and differential mode inductance
Circuit (13)；Wherein,
First output end of the common mode inductance (12) is connected with the first end of first electric capacity (11), the common mode inductance
(12) the second output end is connected with the second end of first electric capacity (11), and the first output end of the common mode inductance (12) is also
It is connected with one end of the differential mode inductance circuit (13)；
The first input end and the second input of the common mode inductance (12) is used as the input of the EMC filter circuit (10)
In connection mains supply；
Second output end of the common mode inductance (12) and the other end of the differential mode inductance circuit (13) are filtered as the EMC
The output end of circuit (10) is used to export filtered mains supply；
The magnetic core of the differential mode inductance circuit (13) is made up of non-crystalline material or nanocrystalline material.
2. EMC filter circuit according to claim 1, it is characterised in that also include：Second electric capacity (14)；
The other end of the differential mode inductance circuit (13) is connected with one end of second electric capacity (14), the common mode inductance (12)
The second output end be connected with the other end of second electric capacity (14).
3. EMC filter circuit according to claim 2, it is characterised in that the differential mode inductance circuit (13) includes：First
Differential mode inductance (131) and the second differential mode inductance (132)；
The first end of first differential mode inductance (131) is connected with the first output end of the common mode inductance (12), and described first
Second end of differential mode inductance (131) is connected with the first end of second differential mode inductance (132)；
Second output end of the common mode inductance (12) and the second end of second differential mode inductance (132) are filtered as the EMC
The output end of wave circuit (10) is used to export filtered mains supply.
4. EMC filter circuit according to claim 3, it is characterised in that the differential mode inductance includes magnetic material (15)
With coiled wire-wound coil (16), it is internal that the coiled wire-wound coil (16) is fixed on the magnetic material (15), the differential mode inductance one into
Type.
5. a kind of electromagnetic oven, it is characterised in that include EMC filter circuit (10) as described in any one of Claims 1-4, whole
Current circuit (20), resonance circuit (30), on-off circuit (40)；Wherein,
The input of the common mode inductance (12) is connected with mains supply, the output end of the EMC filter circuit (10) and rectification
The ac input end connection of circuit (20), it is the DC output end of the rectification circuit (20) and the on-off circuit (40), described
Resonance circuit (30) is sequentially connected, and forms current supply circuit.
6. electromagnetic oven according to claim 5, it is characterised in that also include：Protective tube (50), the mains supply and institute
Protective tube (50) is connected between the input for stating EMC filter circuit (10).
7. electromagnetic oven according to claim 6, it is characterised in that also include：Control circuit (60), the on-off circuit
(40) including IGBT circuits (41)；
The collector and emitter of the IGBT circuits (41) is connected in the current supply circuit；
The control circuit (60) is connected with the base stage of the IGBT circuits (41), for controlling leading for IGBT circuits (41)
Logical or shut-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176545.9U CN206149135U (en) | 2016-11-02 | 2016-11-02 | EMC filter circuit and electromagnetism stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176545.9U CN206149135U (en) | 2016-11-02 | 2016-11-02 | EMC filter circuit and electromagnetism stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149135U true CN206149135U (en) | 2017-05-03 |
Family
ID=58624905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621176545.9U Expired - Fee Related CN206149135U (en) | 2016-11-02 | 2016-11-02 | EMC filter circuit and electromagnetism stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513381A (en) * | 2018-02-09 | 2018-09-07 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic heating device and power control method |
| CN111108812A (en) * | 2017-10-25 | 2020-05-05 | 伊莱克斯家用电器股份公司 | Induction hob comprising an electromagnetic interference filter |
-
2016
- 2016-11-02 CN CN201621176545.9U patent/CN206149135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111108812A (en) * | 2017-10-25 | 2020-05-05 | 伊莱克斯家用电器股份公司 | Induction hob comprising an electromagnetic interference filter |
| CN108513381A (en) * | 2018-02-09 | 2018-09-07 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic heating device and power control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9613745B2 (en) | Adjustable integrated combined common mode and differential mode three phase inductors and methods of manufacture and use thereof | |
| CN201656765U (en) | EMI filter | |
| CN104270002B (en) | Passive suppression method for conducted electromagnetic interface of PWM (power width modulation) power converter | |
| CN102386760A (en) | Frequency converter multistage EMI (electromagnetic interference) filter circuit | |
| CN206149135U (en) | EMC filter circuit and electromagnetism stove | |
| CN210985938U (en) | High-frequency EMC filter circuit and household appliance | |
| CN206313657U (en) | EMC filter circuit and electromagnetism stove | |
| CN204334316U (en) | Reduce the device of switching circuit electromagnetic noise | |
| CN209516921U (en) | The common-mode interference suppression circuit of air-conditioning | |
| CN203118703U (en) | Common mode choke for improving common-mode radiation interference | |
| CN202275686U (en) | Common mode inductor, common mode filter and switching mode power supply electromagnetic compatibility circuit | |
| CN104883047A (en) | Common-mode and differential-mode current suppression circuit | |
| CN205753990U (en) | A kind of high isolation DC-DC power module | |
| CN210743711U (en) | Common mode inductance structure | |
| CN203933388U (en) | A kind of for suppressing electromagnetic interference filter circuit and the air conditioner of resonance peak | |
| CN101951140A (en) | EMI (Electro-Magnetic Interference) filter of electrodeless fluorescent lamp with ultracrystalline filter coil CL+CL structure | |
| CN202334291U (en) | Multi-stage EMI (electromagnetic interference) filter circuit of inverter | |
| CN205881614U (en) | Integrated inductor based on differential mode filtering altogether | |
| CN205645432U (en) | Paster wire winding inductor | |
| CN107437869A (en) | Suppress EMC circuit structure, motor and electrical equipment | |
| CN108039266A (en) | A kind of flat wire bar magnet inductance | |
| CN206893387U (en) | A kind of inductance, wave filter and electronic product for collecting common mode differential mode filtering one | |
| CN204578360U (en) | A kind of modular power source of integrated common mode inductance | |
| CN201766497U (en) | Electrodeless fluorescent lamp EMI filter of ultracrystalline filtering coil CL+CL structure | |
| CN203984302U (en) | Two PWM frequency-variable controllers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |