CN203135701U - AC filter - Google Patents
AC filter Download PDFInfo
- Publication number
- CN203135701U CN203135701U CN 201320013846 CN201320013846U CN203135701U CN 203135701 U CN203135701 U CN 203135701U CN 201320013846 CN201320013846 CN 201320013846 CN 201320013846 U CN201320013846 U CN 201320013846U CN 203135701 U CN203135701 U CN 203135701U
- Authority
- CN
- China
- Prior art keywords
- circuit
- inductance
- filter
- alternating current
- current filter
- 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
Abstract
The utility model discloses an AC filter comprising a pedestal (1), a filter body (3) and binding posts (4), wherein the filter body (3) is fixedly connected with the pedestal (1), and the pedestal (1) is provided with the binding posts (4); and the filter is characterized in that a filter accessory (2) is added in the pedestal (1). The beneficial effect is that electromagnetic compatibility of the filter is improved.
Description
Technical field
The utility model belongs to a kind of filter, particularly relates to a kind of alternating current filter.
Background technology
Power-supply filter is exactly the electric equipment that the frequency beyond the frequency of characteristic frequency in the power supply or this frequency is carried out effective filtering, and it is a kind of passive bidirectional network, and its end is power supply, and the other end is load.
When the operating current of power-supply filter surpasses rated current, not only can cause filter overheated, and can cause the low frequency filtering performance of filter to reduce.This be because the inductance in the filter under the situation of big electric current, saturated phenomenon can take place in magnetic core, and the actual electrical sensibility reciprocal is reduced.
Even the circuit structure of filter is identical, because Devices Characteristics difference, the difference of device mounting mode, the difference of internal structure, its their high frequency performance can be far short of what is expected, want to improve the high frequency performance of filter, need note manufacture craft from many directions during production, as select the little capacitor of inductance for use, when making the little inductance of parasitic capacitance, welding capacitor lead-in wire as far as possible short, take suitable isolation etc. in inside.
Existing alternating current filter does not have the filtering annex, and the user uses the back complete machine to still have the part frequency to exceed standard when doing the electromagnetic compatibility conduction test.
Summary of the invention
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of user of solution to use the alternating current filter of back complete machine test passes when doing the electromagnetic compatibility conduction.
The technical solution adopted in the utility model is such: a kind of alternating current filter, comprise base, filtering body and binding post, fixedly connected between described filtering body and the described base, base is provided with binding post, it is characterized in that increasing in described base the filtering annex.
Further, the parallel soldering and sealing of described fixedly connected employing is connected with bolt is dual.
Adopt the ceramic post sintering insulator to be connected between described base and the described binding post.
Further, described filtering body comprises three-phase line, and the A circuit is connected to inductance L 2, and the B circuit is connected to inductance L 3, and the C circuit is connected to inductance L 4, and the N circuit is connected to inductance L 1 and inductance L 5, is connected to mutual inductance inductance L 6 between the ABCN circuit; Between AN, the BN in the left side of inductance L 6, CN circuit, be connected to capacitor C 1, and A circuit, B circuit, C circuit, N circuit are connected to ground capacity C3, C4, C5, C6 respectively; On the right side of mutual inductance inductance L 6, be connected to capacitor C 2 and resistance R between AN, BN, the CN circuit, and on A, B, C, N circuit, be connected to ground capacity C7, C8, C9, C10 respectively.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are: the Electro Magnetic Compatibility that has improved alternating current filter.
Description of drawings
Fig. 1 is the front view of the utility model alternating current filter.
Fig. 2 is the vertical view of the utility model alternating current filter.
Fig. 3 is the utility model circuit diagram.
Mark among the figure: 1 is base, and 2 are the filtering annex, and 3 are the filtering body, and 4 is binding post.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of alternating current filter comprises base 1, filtering body 3 and binding post 4, adopts parallel soldering and sealing to be connected with bolt is dual between filtering body 3 and the base 1, adopt the ceramic post sintering insulator to be connected between base 1 and the binding post 4, increase filtering annex in base 1.
As shown in Figure 3, the circuit diagram of this alternating current filter comprises three-phase line, and the A circuit is connected to inductance L 2, and the B circuit is connected to inductance L 3, and the C circuit is connected to inductance L 4, and the N circuit is connected to inductance L 1 and inductance L 5, is connected to mutual inductance inductance L 6 between the ABCN circuit; Between AN, the BN in the left side of inductance L 6, CN circuit, be connected to capacitor C 1, and A circuit, B circuit, C circuit, N circuit are connected to ground capacity C3, C4, C5, C6 respectively; On the right side of mutual inductance inductance L 6, be connected to capacitor C 2 and resistance R between AN, BN, the CN circuit, and on A, B, C, N circuit, be connected to ground capacity C7, C8, C9, C10 respectively.
The beneficial effect of present embodiment is: the Electro Magnetic Compatibility that has improved filter.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. alternating current filter, comprise base (1), filtering body (3) and binding post (4), fixedly connected between described filtering body (3) and the described base (1), base (1) is provided with binding post (4), it is characterized in that: increase filtering annex (2) in described base (1).
2. alternating current filter as claimed in claim 1 is characterized in that the parallel soldering and sealing of described fixedly connected employing is connected with bolt is dual.
3. alternating current filter as claimed in claim 1 is characterized in that adopting the ceramic post sintering insulator to be connected between described base (1) and the described binding post (4).
4. alternating current filter as claimed in claim 1, it is characterized in that: described filtering body (3) comprises three-phase line, and the A circuit is connected to inductance L 2, the B circuit is connected to inductance L 3, the C circuit is connected to inductance L 4, and the N circuit is connected to inductance L 1 and inductance L 5, is connected to mutual inductance inductance L 6 between A, B, C, the N circuit; Between AN, the BN in the left side of inductance L 6, CN circuit, be connected to capacitor C 1, and A circuit, B circuit, C circuit, N circuit are connected to ground capacity C3, C4, C5, C6 respectively; On the right side of mutual inductance inductance L 6, be connected to capacitor C 2 and resistance R between AN, BN, the CN circuit, and on A, B, C, N circuit, be connected to ground capacity C7, C8, C9, C10 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013846 CN203135701U (en) | 2013-01-11 | 2013-01-11 | AC filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013846 CN203135701U (en) | 2013-01-11 | 2013-01-11 | AC filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135701U true CN203135701U (en) | 2013-08-14 |
Family
ID=48943640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320013846 Expired - Fee Related CN203135701U (en) | 2013-01-11 | 2013-01-11 | AC filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203135701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906001A (en) * | 2018-12-25 | 2019-06-18 | 成都燎原星光电子有限责任公司 | A kind of power-supply filter and power-supply filter assembly method |
-
2013
- 2013-01-11 CN CN 201320013846 patent/CN203135701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906001A (en) * | 2018-12-25 | 2019-06-18 | 成都燎原星光电子有限责任公司 | A kind of power-supply filter and power-supply filter assembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204130350U (en) | The metallic film capacitor that a kind of stack bus bar is drawn | |
| CN205828105U (en) | A kind of vertical transformer skeleton | |
| CN203135701U (en) | AC filter | |
| CN207397881U (en) | A kind of transformer with shock-absorbing function | |
| CN206148233U (en) | Prevent common mode inductance of short circuit | |
| CN206149135U (en) | EMC filter circuit and electromagnetism stove | |
| CN201805304U (en) | Motor and electric brush holder thereof | |
| CN204130314U (en) | Full-shield inductor | |
| CN202260876U (en) | Motor structure for automobile power window | |
| CN203338941U (en) | EE type transformer | |
| CN202695113U (en) | Voltage transformer with arrester | |
| CN207742240U (en) | A kind of Current Mutual Inductance electricity getting device | |
| CN205177609U (en) | Condenser lead wire mounting structure | |
| CN204190606U (en) | A kind of current transformer electromagnetic interface filter | |
| CN209118906U (en) | A kind of one horizontal high frequency transformer framework of slender acanthopanax | |
| CN204464181U (en) | A kind of magnetic latching relay | |
| CN203277012U (en) | Portable dry-type epoxy-cast high-voltage electric reactor | |
| CN202651031U (en) | Electric leakage breaker | |
| CN208570249U (en) | A kind of inductance device and the circuit system with inductance device | |
| CN205051336U (en) | Grounding transformer | |
| CN205565308U (en) | Low voltage incoming line cabinet copper bar connecting structure | |
| CN206546768U (en) | A kind of high-frequency inductor | |
| CN203180116U (en) | Three-phase electric connector for vacuum switch cabinet heavy current test | |
| CN203338933U (en) | Transformer support | |
| CN204088007U (en) | A kind of Three phase five post reactor with ancillary coil structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |