CN2755838Y - Power supply distributor against electromagnetic interference - Google Patents
Power supply distributor against electromagnetic interference Download PDFInfo
- Publication number
- CN2755838Y CN2755838Y CN 200420054863 CN200420054863U CN2755838Y CN 2755838 Y CN2755838 Y CN 2755838Y CN 200420054863 CN200420054863 CN 200420054863 CN 200420054863 U CN200420054863 U CN 200420054863U CN 2755838 Y CN2755838 Y CN 2755838Y
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- electromagnetic interference
- power supply
- interference filter
- power
- switch
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Abstract
The utility model relates to the technical field of power supply distributors, particularly to a power supply distributor against electromagnetic interference for the field of high-requirement and reliable power supply safety engineering. The utility model has a machine frame type shell body, wherein a power supply input plug, a power supply output socket and a load switch are arranged on a rear panel of the shell body; a power supply switch for controlling the power supply input plug, an indicating lamp, and a branch switch for controlling the on state and the off state of the power supply output socket respectively are arranged on a front panel; an electromagnetic interference filter and conductive line banks are arranged in the shell body. The power supply output socket is connected in parallel with the electromagnetic interference filter and connected in series with the branch switch through the conductive line banks; the power supply input plug is connected in series with the load switch, the power supply switch and the electromagnetic interference filter in order; the indicating lamp is connected in parallel with the electromagnetic interference filter. The machine frame type shell body of the power supply distributor against electromagnetic interference of the utility model can greatly save the equipment installing space, and the use of electric apparatuses is safer and more reliable. The utility model can independently control the power utilization of electric apparatuses or systems.
Description
Technical field
The utility model relates to the electric power source distribution device technical field, especially a kind ofly is applied to the electromagnetic interference resistance power distributor that communication, radio and television, financial service, postal service, electric power, traffic, Internet firm, business data net, automated manufacturing and production, aviation monitoring system and the modernization of national defense etc. require highly reliable power safety engineering field.
Background technology
Electromagnetic interference is the electromagnet phenomenon that people find for a long time.The electromagnetic wave that is produced when some electrical equipment, electronic device works, easily to around other are electric, electronic equipment forms electromagnetic interference, initiating failure or influence the transmission of signal.Electromagnetic interference has dual mode, and a kind of is conduction pattern, and another kind is a radiation mode.Power line is that electromagnetic interference is imported equipment into and spread out of one of main path of equipment.By power line, the interference on the electrical network can be imported equipment into, influences the operate as normal of equipment; Equally, the interference signal that equipment self produces also can pass on the electrical network by power line, and online other equipment are constituted harm.Electronic technology, the communication technology and fast development of computer technology and extensive use, make the application of precision instrument and equipment enlarge day by day, especially along with they are upgraded day by day to the Detection of weak ability, so negligible anything but degree has been arrived in the influence of electromagnetic interference and effect.As medical detection system, it more and more depends on various Medical Instruments and examines the survey result, various Medical Instruments precise treatment degree are more and more higher, and electromagnetic interference can cause these instrument and equipment operation exceptions, and what it detected data accurately will cause direct influence and harm to curative activity.In addition, along with microelectronics, rapid development of computer technology and popularization and application, impact electromagnetic interference such as thunder and lightning and overvoltage also can not be ignored microelectronic infringement, though buildings in general all has lightning protection device, but because microelectronic device disturbs very responsive to impacts such as thunders and lightnings, withstand voltage level is very low, practice shows, the good microelectronic device of many shieldings also breaks down at thunderstorm season, exactly because even shielding factor reaches 90%, thunder and lightning induction voltage still has the 10V order of magnitude, surpasses the impulse withstand voltage 10V order of magnitude that the computer interface components and parts can bear.Electric power source distribution device is to be the device of various power consumption equipments for distribution, electromagnetic interference, lightning impulse are disturbed general electric power source distribution device and overvoltage does not have protective capacities, when requirements such as being used for communication, radio and television, financial service, postal service, electric power, traffic, Internet firm, business data net, automated manufacturing and production, aviation monitoring system and the modernization of national defense has highly reliable power safety engineering field, just can not be suitable for.
Summary of the invention
In order to overcome the deficiency of existing electric power source distribution device, the purpose of this utility model provides a kind of electromagnetic interference resistance power distributor with anti-electromagnetic interference, lightning impulse interference and over-voltage protection function.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic interference resistance power distributor, has the rack housing, housing is by front panel, rear board, base plate, cover plate is formed, rear board is provided with power input plug, at least one is power output socket and load switch independently, front panel is provided with the mains switch of control power input plug, indicator light and control the branch switch of power output socket power on/off respectively, be provided with Electromagnetic interference filter and conductive connection row in the housing, Electromagnetic interference filter and conductive connection row are fixed on the base plate, power output socket is in parallel with Electromagnetic interference filter by conductive connection row, connect with branch switch, power input plug and load switch, mains switch, Electromagnetic interference filter is connected successively, and indicator light is in parallel with Electromagnetic interference filter.
For the electromagnetic interference resistance power distributor can be disturbed by lightning impulse resistant, also be provided with lightning protection for power supply in the described housing, lightning protection for power supply is fixed on the base plate, lightning protection for power supply is in parallel with Electromagnetic interference filter, also be provided with earth terminal on the rear board, power output socket, Electromagnetic interference filter link to each other with earth terminal.
The beneficial effects of the utility model are; electromagnetic interference resistance power distributor rack housing of the present utility model; can save a large amount of installation space; the EMI/RFI electrical network filtering of anti-electromagnetic interference is adopted in input; voltage surge and spike absorption protective device are adopted in input; overcurrent protective device is set; the EPO Emergency Power is set turn-offs remote control; lightning protection device is set; electrical equipment uses safety and reliability, adopts the MTD sequence switch, can independently control an electrical equipment or system's electricity consumption; when having saved a plurality of electrical equipment and not used simultaneously, the trouble that need pull out, insert plug.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of electromagnetic interference resistance power distributor of the present utility model.
Fig. 2 is the structural representation of the rear board in the utility model.
Fig. 3 is the winding diagram of electromagnetic interference resistance power distributor of the present utility model.
Among the figure: 1. housing, 1-1. front panel, 1-2. rear board, 2. power input plug, 3. power output socket, 4. load switch, 5. mains switch, 6. indicator light, 7. branch switch, 8. Electromagnetic interference filter, 9. conductive connection row, 10. lightning protection for power supply, 11. safety ground terminals.
Embodiment
As Fig. 1,2, electromagnetic interference resistance power distributor of the present utility model shown in 3, has rack housing 1, housing 1 is by front panel 1-1, rear board 1-2, base plate and cover plate are formed, rear board 1-2 is provided with power input plug 2, eight power output sockets 3 independently, load switch 4 and safety ground terminal 11, front panel 1-1 is provided with the mains switch 5 of control power input plug 2, indicator light 6 and control the branch switch 7 of power output socket 3 power on/off respectively, be provided with Electromagnetic interference filter 8 in the housing 1, conductive connection row 9 and lightning protection for power supply 10, Electromagnetic interference filter 8, conductive connection row 9 and lightning protection for power supply 10 are fixed on the base plate, power output socket 3 is in parallel with Electromagnetic interference filter 8 by conductive connection row 9, connect with branch switch 7, lightning protection for power supply 10 is in parallel with Electromagnetic interference filter 8, power input plug 2 and load switch 4, mains switch 5, Electromagnetic interference filter 8 is connected successively, indicator light 6 is in parallel with Electromagnetic interference filter 8, power output socket 3, Electromagnetic interference filter 8 links to each other with safety ground terminal 11.
Claims (2)
1. electromagnetic interference resistance power distributor, it is characterized in that: have rack housing (1), housing (1) is by front panel (1-1), rear board (1-2), base plate and cover plate are formed, rear board (1-2) is provided with power input plug (2), at least one is power output socket (3) and load switch (4) independently, front panel (1-1) is provided with the mains switch (5) of control power input plug (2), indicator light (6) and control the branch switch (7) of power output socket (3) power on/off respectively, be provided with Electromagnetic interference filter (8) and conductive connection row (9) in the housing (1), Electromagnetic interference filter (8) and conductive connection row (9) are fixed on the base plate, power output socket (3) is in parallel with Electromagnetic interference filter (8) by conductive connection row (9), connect with branch switch (7), power input plug (2) and load switch (4), mains switch (5), Electromagnetic interference filter (8) is connected successively, and indicator light (6) is in parallel with Electromagnetic interference filter (8).
2. electromagnetic interference resistance power distributor according to claim 1, it is characterized in that: also be provided with lightning protection for power supply (10) in the described housing (1), lightning protection for power supply (10) is fixed on the base plate, lightning protection for power supply (10) is in parallel with Electromagnetic interference filter (8), also be provided with safety ground terminal (11) on the rear board (1-2), power output socket (3), Electromagnetic interference filter (8) link to each other with safety ground terminal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054863 CN2755838Y (en) | 2004-12-29 | 2004-12-29 | Power supply distributor against electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054863 CN2755838Y (en) | 2004-12-29 | 2004-12-29 | Power supply distributor against electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755838Y true CN2755838Y (en) | 2006-02-01 |
Family
ID=35929464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420054863 Expired - Fee Related CN2755838Y (en) | 2004-12-29 | 2004-12-29 | Power supply distributor against electromagnetic interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755838Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965670B (en) * | 2008-03-17 | 2013-09-11 | 郑柏泉 | Electrical interface protecting apparatus |
| CN105633664A (en) * | 2014-11-04 | 2016-06-01 | 安徽美琳电子有限公司 | Power strip reliable in connection |
| CN106058651A (en) * | 2016-06-01 | 2016-10-26 | 苏州工业园区科佳自动化有限公司 | Equipment cabinet power distribution unit with network measurement and control |
| CN106451277A (en) * | 2016-08-30 | 2017-02-22 | 衡阳泰豪通信车辆有限公司 | Rack type DC filtering adapter junction box |
-
2004
- 2004-12-29 CN CN 200420054863 patent/CN2755838Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965670B (en) * | 2008-03-17 | 2013-09-11 | 郑柏泉 | Electrical interface protecting apparatus |
| CN105633664A (en) * | 2014-11-04 | 2016-06-01 | 安徽美琳电子有限公司 | Power strip reliable in connection |
| CN106058651A (en) * | 2016-06-01 | 2016-10-26 | 苏州工业园区科佳自动化有限公司 | Equipment cabinet power distribution unit with network measurement and control |
| CN106451277A (en) * | 2016-08-30 | 2017-02-22 | 衡阳泰豪通信车辆有限公司 | Rack type DC filtering adapter junction box |
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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 |