CN2294539Y - High voltage suppression filter - Google Patents
High voltage suppression filter Download PDFInfo
- Publication number
- CN2294539Y CN2294539Y CN 96241913 CN96241913U CN2294539Y CN 2294539 Y CN2294539 Y CN 2294539Y CN 96241913 CN96241913 CN 96241913 CN 96241913 U CN96241913 U CN 96241913U CN 2294539 Y CN2294539 Y CN 2294539Y
- Authority
- CN
- China
- Prior art keywords
- filter
- housing
- high voltage
- voltage
- signal
- 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
- 230000001629 suppression Effects 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 claims abstract description 9
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000005764 inhibitory process Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- IVOJLNSQLGMYAO-AWEZNQCLSA-N (3s)-3-[[6-[[(3-methylsulfonylphenyl)sulfonylamino]methyl]pyridine-3-carbonyl]amino]-4-oxobutanoic acid Chemical compound CS(=O)(=O)C1=CC=CC(S(=O)(=O)NCC=2N=CC(=CC=2)C(=O)N[C@@H](CC(O)=O)C=O)=C1 IVOJLNSQLGMYAO-AWEZNQCLSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Abstract
The utility model provides a high voltage suppression filter, which is used between a power supply system and electric equipment. The utility model comprises a housing, a first electrical contact element used for receiving first level signals from the power supply system, a second electrical contact element which is arranged on the housing and is in electric connection with the electric equipment, a signal processing device which is in the electric connection with the first electrical contact element, and a voltage suppression device which is in the electric connection with the signal processing device. The signal processing device is used for processing the first level signals and outputting second level signals to the electric equipment. The voltage suppression device is used for processing abnormal voltage from the power supply system and outputting normal voltage to the electric equipment to protect the safety of the electric equipment.
Description
The present invention relates to a kind of high voltage and suppress filter, refer in particular to a kind of being applied between a power-supply system and the electric equipment, prevent that to reach electric equipment is influenced by the high pressure thunderbolt and the high voltage of erasure signal noise effect suppresses filter.
Modern science and technology progresses greatly day by day, each industrial circle is for the numerous electronic equipment of kind, except that its specific function of research and development, more require every electronic equipment convenience and stability in use, certainly, the worker who is engaged in this area more wishes and can manufacture a product in a large number, to serve society in mode low-cost, high added value.
And along with the increase of digitalized electron instrument, when electric equipment is electrically connected to a power-supply system, produce various types of electrical noises in the transmission line of power supply signal immediately, this moment, not only the employed equipment of user itself will be disturbed, user's equipment more will disturb contiguous electric equipment, and this promptly is the main cause that causes so-called Electromagnetic Interference (EMI), and become the reason that industrial circle is injured, and cause the social concern of what is called " noise nuisance ", therefore, throw oneself into and work out relevant decree in countries in the world, so that electrical noise is limited.
In electrical noise, comprise by thunderbolt or natural noise that static discharge produced, and by man-made noise that various electronic equipment produced.Known technology adopts following manner usually when manufacturing the electric connector of various electric equipments at present:
1. welding assembly one filter is in a level signal input of this electric connector, in order to filter frequency by this level signal of this electric connector, to eliminate noise, and export level signal to an electric equipment of required frequency, but this kind electric connector only can be eliminated the man-made noise in the electrical noise, and Shang Youwei improves part to the greatest extent.
2. when those skilled in the art will eliminate thunderbolt or natural noise that static discharge caused, one voltage processing unit is installed usually on the circuit board of electric equipment, and for a level signal that inputs to electric equipment, to use the back level and handle after this level signal input to electric equipment by this electric connector, its shortcoming is that high-field electrode may damage electric connector, and level signal can't be delivered on the circuit board, and required device volume is bigger, and it is higher to expend cost, and added value is low.
Given this reason, the present invention is directed to the deficiency of known technology, through concentrated test and research, and in line with the creative spirit of working with perseverance, for solving the influence of high pressure thunderbolt to electric equipment, for obtaining the fiduciary level signal of required frequency, design high voltage of the present invention eventually and suppress filter simultaneously.
Main purpose of the present invention be to provide a kind of electric equipment that prevents to suffer high pressure thunderbolt influence, and the high voltage of erasure signal noise suppresses filter simultaneously.
According to main purpose of the present invention, its conception is to provide a kind of high voltage to suppress filter, and it is applied between a power-supply system and the electric equipment, and wherein this high voltage inhibition filter comprises: a housing; One first electric contact piece, this first electric contact piece is arranged on this housing, in order to receive one first level signal from this power-supply system; One second electric contact piece, this second electric contact piece is arranged on this housing, in order to be electrically connected on this electric equipment; One signal processing apparatus, this signal processing apparatus are electrically connected on this first electric contact piece, in order to handle this first level signal, to export one second level signal to this electric equipment; And a voltage suppression device, this voltage suppression device is electrically connected on this signal processing apparatus, in order to handle the abnormal voltage from this power-supply system, to export a normal voltage to this electric equipment, is protected the safety of this electric equipment.
According to above-mentioned conception, wherein this power-supply system can be an AC power supply system, and this electric equipment can be a power supply unit, a host computer, a computer screen or be a computer network system.
According to above-mentioned conception, wherein this housing comprises: first's housing, and this first's housing has this first electric contact piece; And a second portion housing, this second portion housing is connected in this first's housing, and this second portion housing has this second electric contact piece, and wherein this second portion enclosure interior is equipped with this signal processing apparatus and this voltage suppression device; This housing also comprises: a third part housing, and this third part housing engages with this second portion housing, and with so that this signal processing apparatus and this voltage suppression device and external circuit disconnection.
According to above-mentioned conception, wherein this first level signal can be a voltage signal or is a current signal, and this second level signal can be a voltage signal or be a current signal.
According to above-mentioned conception, wherein this first electric contact piece can comprise one first contact terminal, one second contact terminal and one first earth terminal, and this second electric contact piece can comprise one the 3rd contact terminal, one the 4th contact terminal and one second earth terminal, and wherein this second earth terminal can be electrically connected on this first earth terminal.
According to above-mentioned conception, wherein this voltage suppresses filter and also comprises one the 4th partial shell, is arranged at this outside, and the 4th partial shell is a conductive shell, is electrically connected on this first earth terminal and this second earth terminal.
According to above-mentioned conception, wherein this first electric contact piece is electrically connected on a signal output part of this power-supply system, and this second electric contact piece is electrically connected on a signal input part of this electric equipment.
According to above-mentioned conception, wherein this signal processing apparatus is a frequency processing device, in order to eliminate the noise jamming in this first level signal, to export this second level signal, and this frequency processing device can be a filter, and this filter is combined by an iron core formula filter inductance and a plurality of filter capacitor.
According to above-mentioned conception, wherein this voltage suppression device can be a buffer voltagc inhibitor, and this abnormal voltage can be used the transmission means identical with this first level signal, input to this high voltage and suppress filter, and this abnormal voltage is the high voltage pulse that is produced via thunderbolt.
According to above-mentioned conception, wherein this high voltage inhibition filter can be built in this electric equipment.
The present invention and further purpose thereof and effect see also the detailed description and the accompanying drawing of a preferable embodiment, to obtain more deep understanding.
Figure 1 shows that the stereogram of the preferable embodiment of the present invention.
Figure 2 shows that the structural representation of the preferable embodiment of the present invention assembling after finishing.
Figure 3 shows that the circuit diagram of the preferable embodiment of the present invention.
At first see also Fig. 1, it is the stereogram of the preferable embodiment of the present invention, comprise among the figure: first's housing 11, this voltage that one second part housing 12 and one the 3rd part housing 13 are formed suppresses the housing of filter, one first contact terminal 21 that one first electric contact piece is comprised, one second contact terminal 22 and one first earth terminal 23, one the 3rd contact terminal 31 that second electric contact piece is comprised, one the 4th contact terminal 32 and one second earth terminal 33, one conductive shell 4, one buffer voltagc inhibitor, 51, one first filter capacitors 61, one first inductance 62, one second inductance 63, one iron core 64, one second filter capacitor 65, the filter 6 that one the 3rd filter capacitor 66 and a dielectric 67 are formed.
Figure 1 shows that each element of preferable embodiment, wherein this first's housing 11 is connected in this second portion housing 12, and this first contact terminal 21, this second contact terminal 22 and this first earth terminal 23 are plugged in the terminal hole of this first's housing 11, to form a plug with three terminals, in order to be electrically connected on a power-supply system; The 3rd contact terminal 31, the 4th contact terminal 32 and 33 of this second earth terminals are plugged in the terminal hole of this second portion housing 12, to form the plug that another has three terminals, in order to be electrically connected on an electric equipment; Wherein this first earth terminal 23 can pass through welding manner, is electrically connected on this second earth terminal 33.
The two ends of this buffer voltagc inhibitor 51 then are welded on respectively on this first contact terminal 21 and this second contact terminal 22, and the two ends of this first filter capacitor 61 also are welded on respectively on this first contact terminal 21 and this second contact terminal 22; Twine 64 formed this first inductance 62 and this second inductance 63 unshakable in one's determination by lead, and use a dielectric 67 to isolate this first inductance 62 and this second inductance 63, to form an iron core formula filter inductance, this first inductance 62 is welded on respectively on this first contact terminal 21 and this second contact terminal 22 with an end of this second inductance 63, and this first inductance 62 then is welded on respectively on the 3rd contact terminal 31 and the 4th contact terminal 32 with the other end of this second inductance 63; The two ends of this second filter capacitor 65 also are welded on respectively on the 3rd contact terminal 31 and this second earth terminal 33, the two ends of the 3rd filter capacitor 66 then are welded on respectively on this second earth terminal 33 and the 4th contact terminal 32, by element 61~element 67, formed this filter 6.
After the said elements welding is finished, this third part housing 13 is engaged with this second portion housing 12, this third part housing 13 makes this buffer voltagc inhibitor 51 and this filter 6 in this second portion housing 12 disconnect with external circuit; At last with this conductive shell 4 with engage after this first's housing 11, this second portion housing 12 and this third part housing 13 assemble and be connected, to finish the assembly working that high voltage of the present invention suppresses filter; Wherein this conductive shell 4 is electrically connected on this first earth terminal 23 and this second earth terminal 33, can prevent the interference of external electromagnetic waves to electric equipment, and it connects signal noise to ground.
Stereogram shown in Fig. 1, the structural representation after its each element assembling is finished see also Fig. 2, and the of the present invention preferable embodiment circuit diagram shown in Fig. 3 is consulted in cooperation.
High voltage of the present invention suppresses filter can be built in an electric equipment, and the 3rd contact terminal 31, the 4th contact terminal 32 and this second earth terminal 33 then are electrically connected on a signal input part of this electric equipment; And the plug with three terminals that this first contact terminal 21, this second contact terminal 22 and this first earth terminal 23 are formed is electrically connected on the signal output part of a power-supply system, wherein this power-supply system is an AC power supply system, this signal output part is then exported one first level signal, and this first level signal is an ac supply signal.
When this first level signal process this first contact terminal 21 and this second contact terminal 22, input to high voltage of the present invention when suppressing filter, by this filter 6, can eliminate the noise jamming in this first level signal, exporting one second level signal, and this second level signal is sent to an electric equipment to the 3rd contact terminal 31 and the 4th contact terminal 32.
In air, produce a thunderbolt suddenly; when this power-supply system is exported first contact terminal 21 that a pulse voltage to high voltage of the present invention suppresses filter with this second contact terminal 22 thus; this buffer voltagc inhibitor 51 will suppress the abnormal voltage between this first contact terminal 21 and this second contact terminal 22; eliminate the high pressure composition; export a normal voltage between the 3rd contact terminal 31 and the 4th contact terminal 32; and this normal voltage value is sent to this electric equipment; to protect the safety of this electric equipment; wherein the circuit symbol of this buffer voltagc inhibitor 51 is represented mode, can be represented by two Zener diodes that oppositely connect.
The electrically connecting position of buffer voltagc inhibitor 51 of the present invention, as shown in Figure 3, be electrically connected on the position of diagram (a, a '), this electric connection mode, can handle inputing to the abnormal voltage signal that this high voltage suppresses filter in real time, to export a normal voltage signal; Certainly; this buffer voltagc inhibitor 51 also can be electrically connected on the position of as shown in the figure (b, b '), (c, c ') or (d, d '); then this equivalent electric connected mode also can be handled unusual input voltage equally; and transmit normal output voltage to this electric equipment, to protect the safety of this electric equipment.
In sum, high voltage of the present invention suppresses filter only need install a frequency processing device and a voltage suppression device, can be when power supply signal enters the prime of electric equipment, power supply signal is handled, eliminate the high voltage pulse noise, and obtain required level signal, its welding assembly is easy, volume is little, have the thunderbolt of preventing simultaneously, filter frequency and effect cheaply, real tool industrial value, and before application, do not see on the publication, also unexposed use, it meets novel novelty of patent, progressive requirement.
The present invention is done one's utmost by those of ordinary skill in the art and makes many modifications, but does not all exceed the spirit and scope of being protected as in claims.
Claims (10)
1. a high voltage suppresses filter, and it is applied between a power-supply system and the electric equipment, and wherein this high voltage inhibition filter comprises:
One housing;
One first electric contact piece, this first electric contact piece is arranged on the housing, in order to receive one first level signal from this power-supply system;
One second electric contact piece, this second electric contact piece is arranged on this housing, in order to be electrically connected on this electric equipment;
One signal processing apparatus, this signal processing apparatus are electrically connected on this first electric contact piece, in order to handle this first level signal, to export one second level signal to this electric equipment; And
One voltage suppression device, this voltage suppression device is electrically connected on this signal processing apparatus, in order to handle the abnormal voltage from this power-supply system, to export a normal voltage to this electric equipment, is protected the safety of this electric equipment.
2. high voltage as claimed in claim 1 suppresses filter, and wherein this power-supply system can be an AC power supply system, and this electric equipment can be a power supply unit, a host computer, a computer screen or be a computer network system.
3. high voltage as claimed in claim 1 suppresses filter, and wherein this housing comprises:
One first's housing, this first's housing comprises this first electric contact piece; And
One second portion housing, this second portion housing is connected in this first's housing, and this second portion housing has this second electric contact piece, and wherein this second portion enclosure interior is in order to be provided with this signal processing apparatus and this voltage suppression device; This housing also comprises:
One third part housing, this third part housing engages with this second portion housing, so that this signal processing apparatus and this voltage suppression device and external circuit disconnect.
4. high voltage as claimed in claim 1 suppresses filter, and wherein this first level signal can be a voltage signal or is a current signal, and this second level signal can be a voltage signal or be a current signal.
5. high voltage as claimed in claim 1 suppresses filter, wherein this first electric contact piece can comprise one first contact terminal, one second contact terminal and one first earth terminal, and this second electric contact piece can comprise one the 3rd contact terminal, one the 4th contact terminal and one second earth terminal, and wherein this second earth terminal can be electrically connected on this first earth terminal.
6. high voltage as claimed in claim 5 suppresses filter, wherein this high voltage suppresses filter and also comprises one the 4th partial shell, be arranged at the outside of this housing, and the 4th partial shell can be a conductive shell, be electrically connected on this first earth terminal and this second earth terminal.
7. high voltage as claimed in claim 1 suppresses filter, and wherein this first electric contact piece is electrically connected on a signal output part of this power-supply system, and this second electric contact piece is electrically connected on a signal input part of this electric equipment.
8. high voltage as claimed in claim 1 suppresses filter, wherein this signal processing apparatus can be a frequency processing device, in order to eliminate the noise jamming in this first level signal, to export this second level signal, and this frequency processing device can be a filter, and this filter is combined by an iron core formula filter inductance and a plurality of filter capacitor.
9. high voltage as claimed in claim 1 suppresses filter, wherein this voltage suppression device can be a buffer voltagc inhibitor, and this abnormal voltage can be used the transmission means identical with this first level signal, input to this high voltage and suppress filter, and this abnormal voltage is the high voltage pulse that is produced via thunderbolt.
10. high voltage as claimed in claim 1 suppresses filter, and wherein this high voltage inhibition filter can be built in this electric equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96241913 CN2294539Y (en) | 1996-10-22 | 1996-10-22 | High voltage suppression filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96241913 CN2294539Y (en) | 1996-10-22 | 1996-10-22 | High voltage suppression filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2294539Y true CN2294539Y (en) | 1998-10-14 |
Family
ID=33916205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 96241913 Expired - Fee Related CN2294539Y (en) | 1996-10-22 | 1996-10-22 | High voltage suppression filter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2294539Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107039145A (en) * | 2015-09-24 | 2017-08-11 | 矢崎总业株式会社 | Noise filter and wire harness |
-
1996
- 1996-10-22 CN CN 96241913 patent/CN2294539Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107039145A (en) * | 2015-09-24 | 2017-08-11 | 矢崎总业株式会社 | Noise filter and wire harness |
US9960745B2 (en) | 2015-09-24 | 2018-05-01 | Yazaki Corporation | Noise filter and wire harness |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1131589C (en) | AC power source filter for audio video electrical load | |
CN112019039A (en) | Power interface circuit with high-grade surge protection and high EMI performance | |
CN101267112B (en) | Sudden wave protection circuit and connector and electronic device using this circuit | |
CN111934303A (en) | Strong electromagnetic pulse protection device of vehicle electric control system | |
CN2294539Y (en) | High voltage suppression filter | |
CN205945513U (en) | Wave filter assembly | |
US9252736B2 (en) | Network signal coupling and EMI protection circuit | |
CN200997528Y (en) | Lightening-proof radio frequency module | |
CN115149515A (en) | Low-voltage power supply filter circuit and motor controller | |
WO2016202240A1 (en) | Electromagnetism-compatible filter | |
CN217508594U (en) | Input EMI circuit structure applied to film-coated power supply | |
CN220896529U (en) | Protective filter circuit, protective filter device and vehicle | |
CN214590596U (en) | Lightning protection filtering component | |
CN218587387U (en) | Electromagnetic compatibility system | |
CN220254480U (en) | Protection filter circuit of USB2.0 interface | |
CN217936069U (en) | Special vehicle-mounted magnetic balance Hall current sensor | |
CN2388738Y (en) | Receptacle with waveform pyrifying function | |
JP2000299615A (en) | Low frequency power supply noise protector | |
JP2007529189A (en) | Connector having a plurality of transient voltage suppression components and a plurality of transient voltage suppression components in the connector | |
CN218352176U (en) | Transient overvoltage protection device for vehicle electrical appliance | |
CN217159270U (en) | Novel ship-borne multistage electromagnetic pulse protection filter | |
CN215866797U (en) | Auxiliary device for debugging electronic circuit | |
CN218733231U (en) | Prevent circuit and electronic equipment of striking sparks | |
CN214281344U (en) | Stackable EMI filter | |
CN220554262U (en) | EMC filter shielding device and new energy automobile |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |