CN201733094U - Red-black power filter isolation device - Google Patents
Red-black power filter isolation device Download PDFInfo
- Publication number
- CN201733094U CN201733094U CN2010202632889U CN201020263288U CN201733094U CN 201733094 U CN201733094 U CN 201733094U CN 2010202632889 U CN2010202632889 U CN 2010202632889U CN 201020263288 U CN201020263288 U CN 201020263288U CN 201733094 U CN201733094 U CN 201733094U
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- capacitor
- inductance
- electronic equipment
- power
- red
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a red-black power filter isolation device which comprises a filter isolation module which is connected in series in a power supply circuit between electronic equipment and an AC power grid to attenuate or eliminate a noise interference signal involved in a power single transmitted to the electronic equipment by the AC power grid. The filter isolation module includes inductors L1, L3, and L5 connected in series with a live wire L, inductors L2, L4 and L6 connected in series with a neutral wire N, capacitors Cx1, Cx2, and Cx3 connected in parallel between the live wire L and the neutral wire N, resistors R1 and R2 connected in parallel with the capacitors Cx2 and Cx3 respectively, capacitors Cy1 and Cy2 connected in series with each other, and capacitors Cy3 and Cy4 connected in series with each other. The red-black power filter isolation device has the advantages of rational design, convenient wiring, simple operation, and good using effects. The device does not work and will not have any undesirable impact on the power supply circuit of the electronic equipment in case of normal condition but can effectively perform discharge and pressure limit in case of a surge intruding wave.
Description
Technical field
The utility model relates to a kind of wideband linear filtering device, especially relates to a kind of red-black power filter spacer assembly that is applicable in the anti-electromagnetic leakage secrecy technology field.
Background technology
Along with the extensive use of electricization equipment, country constantly strengthens electrical network sets up engineering, enlarges energy storage to satisfy the actual demand of domestic power consumption.But because Electromagnetic Compatibility of Power Electronics is poor, the tolerance of overvoltage and overcurrent is poor, and is being subjected to being easy to cause work malfunctioning or permanent with bad after the surge current harm.Therefore the protection of Electromagnetic Compatibility of Power Electronics and anti-surge is to guarantee one of requisite measure of electronic equipments safety reliability service.In the actual application; for the normal operation of giving electronic equipment provides reliable guarantee; suppress the surge current transient overload current additional effectively to the instantaneous differential pressure of electronic equipment; must further improve the existing electromagnetic compatibility of electricization equipment and anti-surge protection defencive function module, existing electromagnetic compatibility and anti-surge protection defencive function module exist in various degree all that wiring inconvenience, anti-interference function are relatively poor, surge is invaded and can not effectively be brought into play number of drawbacks and deficiencies such as earial drainage and pressure limiting effect, result of use be relatively poor when ripple arrives.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of red-black power filter spacer assembly is provided, it is reasonable in design, easy-to-connect and use easy and simple to handle, stable and reliable working performance, result of use good, inoperative and can not produce any harmful effect under power electronic equipment circuit normal operation to the supply line of electronic equipment, and surge is invaded when ripple arrives and can effectively be brought into play earial drainage and pressure limiting effect.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of red-black power filter spacer assembly is characterized in that: comprise in the supply line that is serially connected between electronic equipment and the AC network and can be to being mingled with the filtering isolation module that noise interferences decays or eliminates in the power supply signal of being transported to electronic equipment by AC network; Described filtering isolation module comprise the inductance L 1, L3 and the L5 that are serially connected in successively from front to back on the live wire L, from front to back be serially connected in successively inductance L 2, L4 and L6 on the zero line N, be attempted by capacitor C x between live wire L and the zero line N successively from front to back
1, Cx
2And Cx
3, be attempted by capacitor C x
2On resistance R 1, be attempted by capacitor C x
3On resistance R 2, mutually the serial connection capacitor C y
1And Cy
2And the capacitor C y that is connected in series mutually
3And Cy
4, an end of described inductance L 1 is through capacitor C x
1The back join with an end of inductance L 2 and the other end of inductance L 1 through capacitor C x
2The back joins with the other end of inductance L 2, and an end of described inductance L 3 is through capacitor C x
2The back join with an end of inductance L 4 and the other end of inductance L 3 through capacitor C x
3The back joins with the other end of inductance L 4, mutually Chuan Jie capacitor C y
1And Cy
2Be attempted by capacitor C x2 two ends and capacitor C y
1And Cy
2Tie point ground connection, Chuan Jie capacitor C y mutually
3And Cy
4Be attempted by capacitor C x
3Two ends and capacitor C y
3And Cy
4Tie point ground connection.
Be connected by AC power cord between described AC network and the electronic equipment, and the filtering isolation module is serially connected on the described AC power cord.
Described filtering isolation module is connected on the apparatus socket of electronic equipment one side, and is connected by described AC power cord between described apparatus socket and the AC network.
The utility model compared with prior art has the following advantages:
1, reasonable in design, circuit connection makes things convenient for, cost is low and it is easy and simple to handle to use.The utility model designs and produces based on the classical Filtering Model of Chebyshev, meets the anti-electromagnetic leakage security requirements of country, and it belongs to the multiple stage type low pass filter, wherein capacitor C x
1, Cx
2And Cx
3But the radiated interference between filtering line-line, i.e. differential mode interference; Capacitor C y
1, Cy
2, Cy
3And Cy
4But the conducted interference between filtering line-ground, i.e. common mode disturbances; Resistance R 1 and R2 then play impedance matching and protective effect.Each element of this product all passes through a large amount of calculating and tests the numerical value that draws, and meets anti-electromagnetic leakage of country and anti-interference standard fully.
2, result of use is good, and under the circuit normal operation, the utility model is inoperative, and can not produce any harmful effect to the supply line of electronic equipment; Also can play simultaneously the effect of the certain surge ripple of decay.
3, reliable working performance, the electromagnetic shielding advantage noise jamming between 0.15MHz～30MHz that is to decay, its common mode inhibition is not less than 50dB, the utility model is the low pass power-supply filter, it utilizes inductance, electric capacity " the logical friendship hindered directly " and inductance and electric capacity that the electromagnetic interference in the circuit is suppressed characteristics and works, the performance of its filter all has the good restraining effect to differential mode conducted interference between line-line and the interference of the common mode radiation between line-ground, is one of indispensable elements such as various instruments, instrument and electronic equipment.
4, practical value and economic worth height, certain confidentiality is arranged, the utility model can shield intrusion ripple in the environment to the interference effect of fundamental signal, the electromagnetic radiation of effective attenuation low frequency, intermediate frequency and high-frequency band, the filtering production development trend after being, can be widely used in secret unit, the anti-demanding unit of electromagnetic leakage holds out broad prospects.Simultaneously, the utility model belongs to multi-stage filter, thereby also can suppress certain surge current effect.
5, popularizing application prospect is extensive, can effectively promote to be suitable for to anti-electromagnetic leakage secrecy technology field, especially the anti-electromagnetic exposure of wideband and anti-interference aspect have great role.
In sum, the utility model is reasonable in design, easy-to-connect and use easy and simple to handle, result of use is good, under power electronic equipment circuit normal operation, the utility model is inoperative and can not produce any harmful effect to the supply line of electronic equipment, simultaneously certain isolation and shielding action are arranged for external intrusion ripple, multistage distribution simultaneously also has the effect that suppresses certain surge current, thereby provide reliable guarantee for the normal operation of electronic equipment, be widely used in electronic equipment, the equipment plug of instrument and meter (specifically being the attaching plug that is used to connect power supply), inoperative and can not produce any harmful effect under the power electronic equipment circuit normal operation to the supply line of electronic equipment, and surge is invaded when ripple arrives and can effectively be brought into play earial drainage and pressure limiting effect.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an operation principle block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Description of reference numerals:
The 1-AC network; The 2-electronic equipment; 3-filtering isolation module.
Embodiment
As shown in Figure 1 and Figure 2, the utility model comprises in the supply line that is serially connected between electronic equipment 2 and the AC network 1 and can be to being mingled with the filtering isolation module 3 that noise interferences decays or eliminates in the power supply signal of being transported to electronic equipment 2 by AC network 1.Described filtering isolation module 3 comprise the inductance L 1, L3 and the L5 that are serially connected in successively from front to back on the live wire L, from front to back be serially connected in successively inductance L 2, L4 and L6 on the zero line N, be attempted by capacitor C x between live wire L and the zero line N successively from front to back
1, Cx
2And Cx
3, be attempted by capacitor C x
2On resistance R 1, be attempted by capacitor C x
3On resistance R 2, mutually the serial connection capacitor C y
1And Cy
2And the capacitor C y that is connected in series mutually
3And Cy
4, an end of described inductance L 1 is through capacitor C x
1The back join with an end of inductance L 2 and the other end of inductance L 1 through capacitor C x
2The back joins with the other end of inductance L 2, and an end of described inductance L 3 is through capacitor C x
2The back join with an end of inductance L 4 and the other end of inductance L 3 through capacitor C x
3The back joins with the other end of inductance L 4, mutually Chuan Jie capacitor C y
1And Cy
2Be attempted by capacitor C x
2Two ends and capacitor C y
1And Cy
2Tie point ground connection, Chuan Jie capacitor C y mutually
3And Cy
4Be attempted by capacitor C x
3Two ends and capacitor C y
3And Cy
4Tie point ground connection.Described live wire L and zero line N join with AC network 1 respectively.
In the present embodiment, be connected by AC power cord between described AC network 1 and the electronic equipment 2, and filtering isolation module 3 is serially connected on the described AC power cord.Described filtering isolation module 3 is connected on the apparatus socket of electronic equipment 2 one sides, and is connected by described AC power cord between described apparatus socket and the AC network 1.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (3)
1. red-black power filter spacer assembly is characterized in that: comprise in the supply line that is serially connected between electronic equipment (2) and the AC network (1) and can be to being mingled with the filtering isolation module (3) that noise interferences decays or eliminates in the power supply signal of being transported to electronic equipment (2) by AC network (1); Described filtering isolation module (3) comprise the inductance L 1, L3 and the L5 that are serially connected in successively from front to back on the live wire L, from front to back be serially connected in successively inductance L 2, L4 and L6 on the zero line N, be attempted by capacitor C x between live wire L and the zero line N successively from front to back
1, Cx
2And Cx
3, be attempted by capacitor C x
2On resistance R 1, be attempted by capacitor C x
3On resistance R 2, mutually the serial connection capacitor C y
1And Cy
2And the capacitor C y that is connected in series mutually
3And Cy
4, an end of described inductance L 1 is through capacitor C x
1The back join with an end of inductance L 2 and the other end of inductance L 1 through capacitor C x
2The back joins with the other end of inductance L 2, and an end of described inductance L 3 is through capacitor C x
2The back join with an end of inductance L 4 and the other end of inductance L 3 through capacitor C x
3The back joins with the other end of inductance L 4, mutually Chuan Jie capacitor C y
1And Cy
2Be attempted by capacitor C x
2Two ends and capacitor C y
1And Cy
2Tie point ground connection, Chuan Jie capacitor C y mutually
3And Cy
4Be attempted by capacitor C x
3Two ends and capacitor C y
3And Cy
4Tie point ground connection.
2. according to the described red-black power filter spacer assembly of claim 1, it is characterized in that: be connected by AC power cord between described AC network (1) and the electronic equipment (2), and filtering isolation module (3) is serially connected on the described AC power cord.
3. according to the described red-black power filter spacer assembly of claim 2, it is characterized in that: described filtering isolation module (3) is connected on the apparatus socket of electronic equipment (2) one sides, and is connected by described AC power cord between described apparatus socket and the AC network (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202632889U CN201733094U (en) | 2010-07-16 | 2010-07-16 | Red-black power filter isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202632889U CN201733094U (en) | 2010-07-16 | 2010-07-16 | Red-black power filter isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201733094U true CN201733094U (en) | 2011-02-02 |
Family
ID=43524250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202632889U Expired - Fee Related CN201733094U (en) | 2010-07-16 | 2010-07-16 | Red-black power filter isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201733094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109244720A (en) * | 2018-09-26 | 2019-01-18 | 吉林省泰华电子股份有限公司 | A kind of lightning protection red and black isolated from power filtering insert row |
-
2010
- 2010-07-16 CN CN2010202632889U patent/CN201733094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109244720A (en) * | 2018-09-26 | 2019-01-18 | 吉林省泰华电子股份有限公司 | A kind of lightning protection red and black isolated from power filtering insert row |
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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: 20110202 Termination date: 20140716 |
|
| EXPY | Termination of patent right or utility model |