CN201234064Y - Front end kit for electric power - Google Patents
Front end kit for electric power Download PDFInfo
- Publication number
- CN201234064Y CN201234064Y CNU2008201274297U CN200820127429U CN201234064Y CN 201234064 Y CN201234064 Y CN 201234064Y CN U2008201274297 U CNU2008201274297 U CN U2008201274297U CN 200820127429 U CN200820127429 U CN 200820127429U CN 201234064 Y CN201234064 Y CN 201234064Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- end box
- supply front
- module
- air switch
- 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 - Lifetime
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Abstract
The embodiment of the utility model discloses a power source front end box. A lightning protection module and a power distribution module are arranged inside the power source front end box; and the lightning protection module is electrically connected with the power distribution module. Therefore, because the lightning protection module and the power distribution module are arranged in the power source front end box, the power source front end box can be conveniently mounted and maintained.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of power supply front end box.
Background technology
Along with development of Communication Technique, the fail safe of communication equipment is more and more important.For the infringement that makes communication equipment avoid Lightning Electromagnetic Pulse overvoltage, switching overvoltage and temporary overvoltage to cause, need to use thunder resisting equipment communication system to be prevented lightning protected.
In the prior art, be typically provided with lightning-protection module in the small-sized outdoor cabinet, filtration module and Power entry module.Wherein, this lightning-protection module and this filtration module are located at the distribution cabin, and the AC distribution module is located at equipment compartment.
The inventor is in realizing process of the present invention, and there are the following problems at least to find prior art:
In the prior art, lightning-protection module is positioned at different cabins with the AC distribution module, and is not too convenient during installation and maintenance.
The utility model content
The utility model embodiment provides a kind of power supply front end box, is used for solving prior art installation and maintenance lightning-protection module and AC distribution module problem not too easily.
A kind of power supply front end of the utility model embodiment box is provided with lightning-protection module and Power entry module in the described power supply front end box, and wherein, described lightning-protection module and described Power entry module are electrically connected.
The circuit of a kind of power supply front end of the utility model embodiment box, it is characterized in that, be provided with lightning-protection module, filtration module and Power entry module in the described power supply front end box, wherein, described Power entry module comprises input wires terminal, first air switch, second air switch, first output wiring terminal and safeguards socket; Described filtration module comprises first filter and second filter, described power supply front end box and connected communication equipment constitute communication system, after the input wires terminal access of the power line of described communication system by Power entry module described in the described power supply front end box, at first connect described first air switch, control the break-make of described communication system power supply by described first air switch, the output of described first air switch is connected in series described lightning-protection module, the output of described lightning-protection module is divided into three the tunnel, wherein two-way connects described first filter and second filter respectively, and another road connects the described socket of safeguarding.
Can learn that by last technical scheme this lightning-protection module and Power entry module are located in this power supply front end box, and be during installation and maintenance, more convenient.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the power supply front end box of the utility model embodiment;
Fig. 2 is the interpolation frame structural representation of the power supply front end box of the utility model embodiment;
Fig. 3 is the screw of power supply front end box of the utility model embodiment and the structural representation of handle;
Fig. 4 is the circuit theory diagrams of the power supply front end box of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be the structural representation of the power supply front end box of the utility model embodiment.The power supply front end box of the utility model embodiment can be interpolation frame structure 140, is provided with in this interpolation frame structure 140: lightning-protection module 110 and Power entry module 120, lightning-protection module 110 and Power entry module 120 are electrically connected.
As seen from the above, when lightning-protection module in the utility model embodiment power supply front end box and Power entry module installation and maintenance, more convenient.
This power supply front end box and connected communication equipment can constitute whole communication system, and the inlet wire of communication system at first connects the Power entry module 120 of this power supply front end box, by this Power entry module 120, and the break-make of control whole communication system power supply.These Power entry module 120 serial connection lightning-protection modules 110 can be resisted certain surge current to guarantee subsequent communications equipment.
Further, also be provided with filtration module 130 in this interpolation frame structure 140, this Power entry module 120 and filtration module 130 are electrically connected, and this filtration module 130 and lightning-protection module 110 are electrically connected.The output of this lightning-protection module 110 connects filtration module 130, by the harmonic wave in these filtration module 130 filtering appts, stablizes high-quality electric energy for the subsequent communications equipment of this power supply front end box provides.The output of this filtration module 130 connects Power entry module 120, by the switch of these Power entry module 120 control subsequent communications equipment.Lightning-protection module 110, Power entry module 120 and filtration module 130 collaborative works are to realize the function of this power supply front end box lightning protection, filtering and distribution.
Wherein, this interpolation frame structure 140 can be high 2U, and is wide 19 inches, the normal structure of dark 320mm, and this interpolation frame structure 140 goes for various racks.In addition, according to the difference of user's needs, the size of this interpolation frame structure 140 can be made suitable modification.This power supply front end box structurally is convenient to the wiring maintenance and is changed internal components, has stronger versatility.
Power supply front end box in the embodiment of the invention can be installed in equipment compartment.In addition, this power supply front end box can also be installed in the distribution cabin.
This Power entry module 120 comprises: safeguard distribution components and parts such as socket, binding post and air switch, and safeguard in this and to install the hinge cover plate on socket additional and be screwed, install the plastic cement face shield on this binding post and the air switch additional, reduce the possibility of misoperation and accidental shock, improved the security performance of power supply front end box integral body.
As shown in Figure 2, be the interpolation frame structural representation of the power supply front end box of the utility model embodiment.This power supply front end box can be the interpolation frame structure, this interpolation frame structure comprises: stationary housing 210 and slider case 220, wherein, can be provided with chute 240 at these stationary housing 210 sidewalls, be provided with slide rail 230 at this slider case 220, this slide rail 230 places chute 240, and can slide along this chute 240, thereby can realize slider case 220 pull in this stationary housing 210.
Wherein, this lightning-protection module 110, Power entry module 120 and filtration module 130 can be located in the movable housing 220 of this power supply front end box.Owing to be connected with chute by slide rail 230 between this stationary housing 210 and the slider case 220, when needing repairing this lightning-protection module 110, Power entry module 120 and filtration module 130, this slider case 220 pull from this stationary housing 210 can be come out, thus this lightning-protection module 110 of convenient for maintaining, Power entry module 120 and filtration module 130.This drawing and pulling type structure need not to take apart stationary housing 210 in the time of can guaranteeing installation and maintenance.
Further, from stationary housing 210, skid off, can adopt anticreep positioning key 240 in the end of slide rail 230, thereby prevent coming off of slider case 220 in order to prevent slider case 220.The power supply front end box of the utility model embodiment adopts the drawing and pulling type structure, is convenient to wiring and safeguards and change internal components.
As shown in Figure 3, slider case 330 front ends at this power supply front end box are provided with captive screw 310 and handle 320, by captive screw 310, make this slider case 220 fixing, thereby prevent that this slider case 330 from rocking in this stationary housing 340 with this stationary housing 210.Module in power supply front end box (lightning-protection module 110, Power entry module 120 and filtration module 130) is when needing installation and maintenance, can unclamp the captive screw that is installed on the slider case 330 earlier, slider case 330 can be extracted out in this stationary housing 340 by handle 320 then, thereby be maintained easily the interior module of this front end box.After safeguard finishing, can 320 slider case 330 be pushed in the stationary housing 340 by shaking hands, and go up tense-lax and do not take off screw 310.Whole maintenance process safe ready.
As shown in Figure 4, circuit theory schematic diagram for the power supply front end box of the utility model embodiment, Power entry module comprises input wires terminal 401, air switch 402, air switch 407 and output wiring terminal (this output wiring terminal can be used as first output wiring terminal), and filtration module comprises filter 404 and filter 405.This power supply front end box and connected communication equipment constitute whole communication system, after input wires terminal 401 (L and the N) access of the power line of this communication system by this power supply front end box, at first connect air switch 402, can control the break-make of whole communication system power supply by air switch 402.The output serial connection lightning-protection module 403 of air switch 402 can be resisted certain surge current to guarantee subsequent communications equipment.The output of lightning-protection module 403 is divided into three the tunnel, and wherein two-way connects filter 404 and filter 405 respectively, and another road connects safeguards socket 406.
Wherein, the output of filter 404 connects output wiring terminal 408 (L1 and N1) (output wiring terminal 408 (L1 and N1) can be used as second output wiring terminal), and (L1 and N1) is connected subsequent communications equipment by output wiring terminal 408; The output of filter 405 connects air switch 407 earlier, be divided into two route output wiring terminals 408 (L2, N2 and L3, N3) (output wiring terminal 408 (L2, N2 and L3, N3) can be used as the 3rd output wiring terminal) output then, connect subsequent communications equipment, the switch of the subsequent communications equipment of air switch 407 control connection output wiring terminals 408 (L2, N2 and L3, N3).
Wherein, this air switch 402 can be first air switch, and air switch 407 can be second air switch.Filter 404 can be first filter, and filter 405 can be second filter.
The technical scheme of the utility model embodiment has the following advantages; because lightning-protection module, filtration module and Power entry module are integrated in the power supply front end box body; and employing drawing and pulling type structure; installation and maintenance have been made things convenient for; improved the versatility of equipment; the part that adopts panel protective cover commute to produce misoperation and electric shock is protected, and has improved the security performance of equipment integral.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection range of the present utility model.
Claims (9)
1, a kind of power supply front end box is characterized in that, is provided with lightning-protection module and Power entry module in the described power supply front end box, and wherein, described lightning-protection module and described Power entry module are electrically connected.
2, power supply front end box according to claim 1 is characterized in that described power supply front end box comprises slider case and stationary housing, described stationary housing sidewall is provided with chute, described slider case is provided with slide rail, and described slide rail places described chute, and can slide along described chute.
3, power supply front end box as claimed in claim 1 or 2 is characterized in that also be provided with filtration module in the described power supply front end box, described filtration module and described lightning-protection module are electrically connected, and described filtration module and described Power entry module are electrically connected.
4, power supply front end box according to claim 1, it is characterized in that described Power entry module comprises safeguards socket, binding post and air switch, and, the described maintenance installed hinged cover additional and is screwed on the socket, described binding post and described air switch install the plastic cement face shield additional.
5, as power supply front end box as described in the claim 2, it is characterized in that described slide rail one end is provided with the anticreep positioning key.
6, as power supply front end box as described in the claim 2, it is characterized in that described slider case front end is provided with captive screw,, described slider case and described stationary housing are fixed by described captive screw.
7, as power supply front end box as described in the claim 6, it is characterized in that described slider case is provided with handle, after described captive screw unclamps, can described slider case be pulled out from described stationary housing by described handle.
8, a kind of circuit of power supply front end box, it is characterized in that, be provided with lightning-protection module, filtration module and Power entry module in the described power supply front end box, wherein, described Power entry module comprises input wires terminal, first air switch, second air switch, first output wiring terminal and safeguards socket; Described filtration module comprises first filter and second filter, described power supply front end box and connected communication equipment constitute communication system, after the input wires terminal access of the power line of described communication system by Power entry module described in the described power supply front end box, at first connect described first air switch, control the break-make of described communication system power supply by described first air switch, the output of described first air switch is connected in series described lightning-protection module, the output of described lightning-protection module is divided into three the tunnel, wherein two-way connects described first filter and second filter respectively, and another road connects the described socket of safeguarding.
9, as the circuit of power supply front end box as described in the claim 8, it is characterized in that the output of described first filter connects second output wiring terminal, connect communication equipment by described second output wiring terminal; The output of described second filter connects described second air switch, is divided into described the 3rd output wiring terminal output of two routes then, connects communication equipment, the switch of the communication equipment that described the 3rd output wiring terminal of the described second air switch control connection connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274297U CN201234064Y (en) | 2008-07-21 | 2008-07-21 | Front end kit for electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274297U CN201234064Y (en) | 2008-07-21 | 2008-07-21 | Front end kit for electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201234064Y true CN201234064Y (en) | 2009-05-06 |
Family
ID=40620452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201274297U Expired - Lifetime CN201234064Y (en) | 2008-07-21 | 2008-07-21 | Front end kit for electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201234064Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706765A (en) * | 2017-07-27 | 2018-02-16 | 湖北窗口科技有限公司 | Power supervisor under a kind of table |
-
2008
- 2008-07-21 CN CNU2008201274297U patent/CN201234064Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706765A (en) * | 2017-07-27 | 2018-02-16 | 湖北窗口科技有限公司 | Power supervisor under a kind of table |
| CN107706765B (en) * | 2017-07-27 | 2019-04-23 | 湖北窗口科技有限公司 | Power supervisor under a kind of table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090506 |
|
| CX01 | Expiry of patent term |