CN201263242Y - Circuit device - Google Patents
Circuit device Download PDFInfo
- Publication number
- CN201263242Y CN201263242Y CNU2008201334620U CN200820133462U CN201263242Y CN 201263242 Y CN201263242 Y CN 201263242Y CN U2008201334620 U CNU2008201334620 U CN U2008201334620U CN 200820133462 U CN200820133462 U CN 200820133462U CN 201263242 Y CN201263242 Y CN 201263242Y
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- electric capacity
- common mode
- mode inductance
- electromagnetic interference
- interference filter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
A circuit device relates to an electronic rectification device, which comprises an electromagnetic interference filter and a rectification circuit, wherein, the two output ends of the electromagnetic interference filter are connected with the two input ends of the rectification circuit. The electronic rectification device is characterized in that: the electromagnetic interference filter is provided with a first, a second, a third and a fourth common mode inductors (B1, B2, B3, B4) and a first, a second, a third, a fourth, a fifth, a sixth and a seventh capacitors (C1, C2, C3, C4, C5, C6, C7). The circuit device of the utility model has very strong anti-electromagnetic interference capacity in very wide frequency range and can completely achieve the related electromagnetic compatibility standards.
Description
Technical field
The utility model relates to a kind of electronic rectifier device of control gaseous discharge lamp work.
Background technology
Gaseous discharge lamp is a kind of high efficiency light source commonly used, and it uses the circuit arrangement that is called as High Frequency Electric Ballast to control its work usually.The operating frequency of High Frequency Electric Ballast is very high usually, and its operating frequency of the High Frequency Electric Ballast that has is up to more than the 500KHz, and high like this operating frequency tends to produce serious electromagnetic interference, and utility network is caused serious electromagnetic pollution.And the existing ability that is used for its anti-electromagnetic interference of High Frequency Electric Ballast of gaseous discharge lamp is difficult to effectively suppress electromagnetic interference at the wide frequency ranges of electromagnetic interference.Therefore be necessary to research and develop electronic rectifier device with strong anti-electromagnetic interference capability.
Summary of the invention
The purpose of this utility model is to propose a kind of circuit arrangement that has strong anti-electromagnetic interference capability in wide frequency ranges, is used for the work of control gaseous discharge lamp.
The circuit arrangement that the utility model provides, it includes Electromagnetic interference filter and rectification circuit, two outputs of Electromagnetic interference filter link to each other with two inputs of rectification circuit, it is characterized in that described Electromagnetic interference filter comprises: first common mode inductance; Second common mode inductance, two inputs of this inductance are connected respectively with two outputs of first common mode inductance; The 3rd common mode inductance, two inputs of this inductance are connected respectively with two outputs of second common mode inductance; The 4th common mode inductance, two inputs of this inductance are connected respectively with two outputs of the 3rd common mode inductance; First electric capacity, this electric capacity are connected between the output and earth terminal of first common mode inductance; Second electric capacity, this electric capacity are connected between another output and earth terminal of first common mode inductance; The 3rd electric capacity, this electric capacity are connected between two outputs of second common mode inductance; The 4th electric capacity, this electric capacity are connected between the output and earth terminal of second common mode inductance; The 5th electric capacity, this electric capacity are connected between another output and earth terminal of second common mode inductance; The 6th electric capacity, this electric capacity are connected between the output and earth terminal of the 3rd common mode inductance; The 7th electric capacity, this electric capacity are connected between another output and earth terminal of the 3rd common mode inductance.
Described Electromagnetic interference filter can also comprise the 8th, the 9th electric capacity, and the 8th electric capacity is connected between the output and earth terminal of the 4th common mode inductance, and the 9th electric capacity is connected between another output and earth terminal of the 4th mould inductance.
Described Electromagnetic interference filter can comprise in addition 2 two electric capacity, and one of them electric capacity is connected between the input and earth terminal of first common mode inductance, and another electric capacity is connected between another input and earth terminal of first common mode inductance.
Described Electromagnetic interference filter can also comprise the the 8th, the 9th, the tenth, the 11 electric capacity, the 8th electric capacity is connected between the output and earth terminal of the 4th common mode inductance, the 9th electric capacity is connected between another output and earth terminal of the 4th mould inductance, the tenth electric capacity is connected between the input and earth terminal of first common mode inductance, and the 11 electric capacity is connected between another input and earth terminal of first common mode inductance.
Described Electromagnetic interference filter comprises an electric capacity between two outputs that are connected in the 3rd common mode inductance; Or comprise another electric capacity between two outputs that are connected in first common mode inductance.
Described Electromagnetic interference filter also comprises two electric capacity, and one of them electric capacity is connected between two outputs of the 3rd common mode inductance, and another electric capacity is connected between two outputs of first common mode inductance.
Described first, second, the capacity of the 4th, the 5th, the 6th, the 7th electric capacity is between 10PF to 0.1 μ F.
The capacity of described the 3rd electric capacity is between 0.047 μ F to 0.47 μ F.
The utlity model has following good effect:
Circuit arrangement of the present utility model all has very strong electromagnetic interference inhibition ability in the frequency range of very wide electromagnetic interference, can reach relevant electromagnetic compatibility standard fully, when for example this kind circuit arrangement is used to control the operation of electrodeless gaseous discharge lamp, even work in the high frequency of 250KHz, can reach this electromagnetic compatibility standard of GB17743-1999 of China's issuing and implementation fully; The power bracket that is suitable for of this kind circuit arrangement is very wide in addition.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of the present utility model.
Fig. 2 is second embodiment of the present utility model.
Fig. 3 is the 3rd embodiment of the present utility model.
Fig. 4 is the 4th embodiment of the present utility model.
Fig. 5 is the 5th embodiment of the present utility model.
Fig. 6 is another embodiment of the present utility model.
Embodiment
Fig. 1 is the schematic diagram of first embodiment of the present utility model.Wherein, Fig. 1 a is that the block diagram of this embodiment is described, in the figure as can be seen, this circuit arrangement includes: Electromagnetic interference filter, rectification circuit, power factor is adjusted circuit and AC/DC translation circuit, two input L of Electromagnetic interference filter, N is connected respectively with two outputs of electric network source Vac, the input port of Electromagnetic interference filter also is provided with an earth terminal G, two output L ' of Electromagnetic interference filter, N ' links to each other with two inputs of rectification circuit, two outputs of rectification circuit link to each other with two inputs that power factor is adjusted circuit, and two outputs that power factor is adjusted circuit link to each other with two inputs of AC/DC translation circuit.
Fig. 1 b is the circuit structure diagram of the Electromagnetic interference filter among Fig. 1 a, can see that from this figure described Electromagnetic interference filter is made of the first common mode inductance B1, the second common mode inductance B2, the 3rd common mode inductance B3, the 4th common mode inductance B4 and first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, the 7th capacitor C 7.Wherein, two inputs of the second common mode inductance B2 and two outputs 1 of the first common mode inductance B1,1 ' connects respectively, two inputs of the 3rd common mode inductance B3 and two outputs 2 of the second common mode inductance B2,2 ' connects respectively, two inputs of the 4th common mode inductance B4 and two outputs 3 of the 3rd common mode inductance B3,3 ' connects respectively, first capacitor C 1 is connected between the output 1 and earth terminal G of first common mode inductance, second capacitor C 2 is connected between another output 1 ' and earth terminal G of first common mode inductance, the 3rd capacitor C 3 is connected in two outputs 2 of second common mode inductance, between 2 ', the 4th capacitor C 4 is connected between the output 2 and earth terminal G of second common mode inductance, the 5th capacitor C 5 is connected between another output 2 ' and earth terminal G of second common mode inductance, the 6th capacitor C 6, this electric capacity is connected between the output 3 and earth terminal G of the 3rd common mode inductance, and the 7th capacitor C 7 is connected between another output 3 ' and earth terminal G of the 3rd common mode inductance.
Because the Electromagnetic interference filter of this kind structure all has very strong High frequency filter function in very wide frequency range, and it is between electric network source Vac and rectification circuit, make the electromagnetic interference of the wide frequency ranges that circuit produced of its Electromagnetic interference filter output L ', N ' back be difficult to be sent to input L, the N of Electromagnetic interference filter, thereby suppressed the influence of electromagnetism Interference greatly utility power.
Fig. 2 is second embodiment of the present utility model.Fig. 2 only shows the another kind of structure of the Electromagnetic interference filter of circuit arrangement of the present utility model.As can be seen from the figure, the Electromagnetic interference filter of this kind structure is to be provided with two capacitor C 8, C9 on the basis of the Electromagnetic interference filter shown in Fig. 1 b more, capacitor C 8 is connected between the output L ' and earth terminal G of the 4th common mode inductance, and capacitor C 9 is connected between another output N ' and earth terminal G of the 4th mould inductance.Help like this improving and suppress to touch altogether interference capability.
Fig. 3 is the 3rd embodiment of the present utility model.Fig. 3 only shows the another kind of structure of the Electromagnetic interference filter of circuit arrangement of the present utility model.As can be seen from the figure, the Electromagnetic interference filter of this kind structure is to be provided with in addition two capacitor C 10, C11 on the basis of Electromagnetic interference filter shown in Figure 2 more, capacitor C 10 is connected between the input L and earth terminal G of first common mode inductance, and another capacitor C 11 is connected between another input N and earth terminal G of first common mode inductance.Help so further improving suppressing to touch altogether interference capability.
Fig. 4 is the 4th embodiment of the present utility model.Fig. 4 only shows a kind of structure of the Electromagnetic interference filter of circuit arrangement of the present utility model.As can be seen from the figure, the Electromagnetic interference filter of this kind structure is to be provided with a capacitor C 12 on the basis of Electromagnetic interference filter shown in Figure 3 more, and this electric capacity is connected between two outputs 3,3 ' of the 3rd common mode inductance.Help improving the inhibition difference like this and touch interference capability.
Fig. 5 is the 5th embodiment of the present utility model.Fig. 5 only shows another structure of the Electromagnetic interference filter of circuit arrangement of the present utility model.As can be seen from the figure, the Electromagnetic interference filter of this kind structure is to be provided with a capacitor C 13 on the basis of Electromagnetic interference filter shown in Figure 3 more, and this electric capacity is connected between two outputs 1,1 ' of first common mode inductance.So also help improving the inhibition difference and touch interference capability.
Fig. 6 is another embodiment of the present utility model.Fig. 6 only shows another structure of the Electromagnetic interference filter of circuit arrangement of the present utility model.As can be seen from the figure, the Electromagnetic interference filter of this kind structure is to be provided with a capacitor C 12 on the basis of Electromagnetic interference filter shown in Figure 5 more, and this electric capacity is connected between two outputs 3,3 ' of the 3rd common mode inductance.Help further improving the inhibition difference like this and touch interference capability.
Although showed and described and thought preferred embodiment of the present utility model at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that is limited by appended claims.
Claims (9)
1, a kind of circuit arrangement, it includes Electromagnetic interference filter and rectification circuit, and two outputs of Electromagnetic interference filter link to each other with two inputs of rectification circuit, it is characterized in that described Electromagnetic interference filter comprises:
First common mode inductance (B1);
Second common mode inductance (B2), two inputs of this inductance are connected respectively with two outputs (1,1 ') of first common mode inductance;
The 3rd common mode inductance (B3), two inputs of this inductance are connected respectively with two outputs (2,2 ') of second common mode inductance;
The 4th common mode inductance (B4), two inputs of this inductance are connected respectively with two outputs (3,3 ') of the 3rd common mode inductance;
First electric capacity (C1), this electric capacity are connected between the output (1) and earth terminal (G) of first common mode inductance;
Second electric capacity (C2), this electric capacity are connected between another output (1 ') and earth terminal (G) of first common mode inductance;
The 3rd electric capacity (C3), this electric capacity are connected between two outputs (2,2 ') of second common mode inductance;
The 4th electric capacity (C4), this electric capacity are connected between the output (2) and earth terminal (G) of second common mode inductance;
The 5th electric capacity (C5), this electric capacity are connected between another output (2 ') and earth terminal (G) of second common mode inductance;
The 6th electric capacity (C6), this electric capacity are connected between the output (3) and earth terminal (G) of the 3rd common mode inductance;
The 7th electric capacity (C7), this electric capacity are connected between another output (3 ') and earth terminal (G) of the 3rd common mode inductance.
2, a kind of circuit arrangement as claimed in claim 1, it is characterized in that, described Electromagnetic interference filter also comprises the 8th, the 9th electric capacity (C8, C9), the 8th electric capacity (C8) is connected between the output (L ') and earth terminal (G) of the 4th common mode inductance, and the 9th electric capacity (C9) is connected between another output (N ') and earth terminal (G) of the 4th mould inductance.
3, a kind of circuit arrangement as claimed in claim 1, it is characterized in that, described Electromagnetic interference filter also comprises two electric capacity (C10, C11), one of them electric capacity (C10) is connected between the input (L) and earth terminal (G) of first common mode inductance, and another electric capacity (C11) is connected between another input (N) and earth terminal (G) of first common mode inductance.
4, a kind of circuit arrangement as claimed in claim 1, it is characterized in that, described Electromagnetic interference filter also comprises the 8th, the 9th, the tenth, the 11 electric capacity (C8, C9, C10, C11), the 8th electric capacity (C8) is connected between the output (L ') and earth terminal (G) of the 4th common mode inductance, the 9th electric capacity (C9) is connected between another output (N ') and earth terminal (G) of the 4th mould inductance, the tenth electric capacity (C10) is connected between the input (L) and earth terminal (G) of first common mode inductance, and the 11 electric capacity (C11) is connected between another input (N) and earth terminal (G) of first common mode inductance.
As the described a kind of circuit arrangement of one of claim 1 to 4, it is characterized in that 5, described Electromagnetic interference filter also comprises another electric capacity (C12), this electric capacity (C12) is connected between two outputs (3,3 ') of the 3rd common mode inductance.
As the described a kind of circuit arrangement of one of claim 1 to 4, it is characterized in that 6, described Electromagnetic interference filter also comprises another electric capacity (C13), this electric capacity (C13) is connected between two outputs (1,1 ') of first common mode inductance.
7, as the described a kind of circuit arrangement of one of claim 1 to 4, it is characterized in that, described Electromagnetic interference filter also comprises two electric capacity (C12, C13), one of them electric capacity (C12) is connected between two outputs (3,3 ') of the 3rd common mode inductance, and another electric capacity (C13) is connected between two outputs (1,1 ') of first common mode inductance.
8, as the described a kind of circuit arrangement of one of claim 1 to 4, it is characterized in that, described first, second, the capacity of the 4th, the 5th, the 6th, the 7th electric capacity (C1, C2, C4, C5, C6, C7) is between 10PF to 0.1 μ F.
As the described a kind of circuit arrangement of one of claim 1 to 4, it is characterized in that 9, the capacity of described the 3rd electric capacity (C3) is between 0.047 μ F to 0.47 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201334620U CN201263242Y (en) | 2008-09-21 | 2008-09-21 | Circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201334620U CN201263242Y (en) | 2008-09-21 | 2008-09-21 | Circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201263242Y true CN201263242Y (en) | 2009-06-24 |
Family
ID=40809717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201334620U Expired - Fee Related CN201263242Y (en) | 2008-09-21 | 2008-09-21 | Circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201263242Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594163A (en) * | 2010-06-02 | 2012-07-18 | 南京博兰得电子科技有限公司 | Power supplying apparatus |
| CN107134916A (en) * | 2017-06-15 | 2017-09-05 | 中国电子科技网络信息安全有限公司 | A kind of AC power conduction electromagnetic information leakage protector and method |
-
2008
- 2008-09-21 CN CNU2008201334620U patent/CN201263242Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594163A (en) * | 2010-06-02 | 2012-07-18 | 南京博兰得电子科技有限公司 | Power supplying apparatus |
| CN107134916A (en) * | 2017-06-15 | 2017-09-05 | 中国电子科技网络信息安全有限公司 | A kind of AC power conduction electromagnetic information leakage protector and method |
| CN107134916B (en) * | 2017-06-15 | 2020-01-10 | 中国电子科技网络信息安全有限公司 | Device and method for preventing electromagnetic information leakage in alternating-current power supply transmission |
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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: 20090624 Termination date: 20091021 |