CN204290072U - A kind of maintenance power cabinet - Google Patents
A kind of maintenance power cabinet Download PDFInfo
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- CN204290072U CN204290072U CN201420797654.7U CN201420797654U CN204290072U CN 204290072 U CN204290072 U CN 204290072U CN 201420797654 U CN201420797654 U CN 201420797654U CN 204290072 U CN204290072 U CN 204290072U
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Abstract
The open a kind of maintenance power cabinet of the utility model, comprises cabinet and is arranged on the circuit module in cabinet; Described circuit module comprises total power switch and Switching Power Supply; Total power switch connects electric power generating composition power supply main line by cable; Each Switching Power Supply connects described total power switch respectively and forms power branch, and in corresponding power branch road, is provided with the first branch switch between each Switching Power Supply and total power switch.Load binding post, first branch switch of total power switch, Switching Power Supply are separately positioned on the outer wall of cabinet.Supply voltage is dropped to the low tension of various grade by the utility model Switching Power Supply, has lightweight, that volume is little, light, cost is low and power consumption is few advantage.The utility model maintenance power cabinet can cut off whole transforming circuit by being arranged on total power switch in power supply main line in addition, can cut off the transforming circuit in each power branch by the branch switch be arranged in power branch, ensure that the fail safe of maintenance power cabinet.
Description
Technical field
The utility model relates to controller switching equipment technical field, particularly one maintenance power cabinet.
Background technology
Along with the fast development of power construction, the continuous expansion of electrical network scale, also rolls up the workload such as construction, maintenance, maintenance of the network system comprising hydroenergy storage station etc.Maintenance power cabinet to play as power during checking experiment, mains lighting supply at power consumers such as hydroenergy storage stations that this is very important, for the maintenance repair of hydroenergy storage station, maintenance work provide external power supply feed point.
In the prior art, in maintenance power cabinet, usually conventional transformer for hand lamp carries out step-down to obtain low tension, but conventional transformer for hand lamp often adopts winding and core structure to realize step-down, there is defects such as not easily moving, heavier and consumed power is large, and existing maintenance power cabinet often exists, and wiring is intricate, the situations such as confusion are moved towards in wiring, does not meet the requirement of Overhaul site standardized administration.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of light, safe maintenance power cabinet.
The purpose of this utility model is achieved through the following technical solutions: a kind of maintenance power cabinet, comprises cabinet and be arranged on the circuit module in cabinet; Described circuit module comprises total power switch and Switching Power Supply; Described total power switch connects electric power generating composition power supply main line by cable; Each Switching Power Supply connects described total power switch respectively and forms power branch, and in corresponding power branch road, is provided with the first branch switch between described each Switching Power Supply and total power switch;
Load binding post, first branch switch of described total power switch, Switching Power Supply are separately positioned on the outer wall of cabinet.
Preferably, also comprise socket in described circuit module, each socket connects described total power switch respectively and forms power branch, and in corresponding power branch road, be provided with the second branch switch between described each socket and total power switch, described socket and the second branch switch are arranged on the outer wall of cabinet.
Further, the number of described circuit module breaker in middle power supply is three, be respectively and be arranged on 12V Switching Power Supply, 24V Switching Power Supply and 36V Switching Power Supply in three power branch, described Switching Power Supply is the Switching Power Supply being built-in with overheat protector, overload protection and excess voltage protection; In described circuit module, the number of socket is four, is separately positioned in four power branch, and the socket wherein in two power branch is anti-tripping socket, and the socket in another two power branch is 86 sockets.
Further, the first branch switch between described power branch breaker in middle power supply and total power switch and total power switch are leakage switch, and the second branch switch in described power branch between socket and total power switch is rocker switch.
Preferably, each described Switching Power Supply comprises 3 pairs of load binding posts, and often pair of load binding post includes common port.
Further, described cabinet outer wall is made up of two pieces of side panels, upper top panel, panel of going to the bottom, rear cabinet door and front cabinet door; On cabinet, top panel comprises guidance panel, and guidance panel tilts certain angle; Described cabinet panel of going to the bottom is provided with pulley.
Further, the rear cabinet door of described cabinet comprises rear cabinet external door and rear cabinet inside door, and wherein, cabinet inside door is arranged on the inner side of rear cabinet external door; The load binding post of described total power switch, Switching Power Supply, the first branch switch between power branch breaker in middle power supply and total power switch arrange on the rear cabinet inside door of cabinet respectively, and described rear cabinet external door is provided with an opening, and this opening arranges removable cover.
Further, described socket and the second branch switch between socket and total power switch are all arranged on guidance panel.
Further, be provided with rolling cable disc in described cabinet, the cable in described power supply main line is placed in rolling cable disc, and described rolling cable disc is automatic or manual.
Further, the cable in described rolling cable disc connects power supply by the outlet of cabinet front cabinet door.
The utility model has following advantage and effect relative to prior art:
(1) by Switching Power Supply, supply voltage is dropped to the low tension of various grade in the utility model maintenance power cabinet circuit module, compare the tradition maintenance power cabinet adopting conventional transformer to carry out step-down, there is lightweight, that volume is little, light, cost is low and power consumption is few advantage.The utility model maintenance power cabinet circuit module is provided with total power switch in power supply main line in addition, branch switch is respectively arranged with in each power branch, whole transforming circuit can be cut off by total power switch, the transforming circuit in each power branch can be cut off by branch switch, ensure that the fail safe of maintenance power cabinet.
(2) Switching Power Supply being built-in with overheat protector, overload protection and overvoltage protection can be adopted in the utility model maintenance power cabinet; when there is overload in loop or Switching Power Supply temperature is too high; automatic cut-off loop; simultaneously when switched power output overtension exceedes permissible value; same closing switch power supply exports, and plays the effect of proterctive equipment and people.The total power switch adopted in the utility model maintenance power cabinet in addition and the first branch switch are the leakage switch with creepage protection function; further increase the fail safe of maintenance power cabinet, be particularly suitable for carrying out service work at the confined space such as spiral case, wind-tunnel at Pumped Storage Plant.
(3) socket adopted in the utility model maintenance power cabinet is anti-tripping socket, the problem such as overcome conventional jack loose contact and easily come off, ensure that the reliability that important load is powered, fundamentally solve the problem that contact gets loose, starting the arc propagation of explosion, easily electric shock etc. are crucial.
(4) in the utility model maintenance power cabinet, each Switching Power Supply is respectively arranged with three pairs of load binding posts, often pair of load binding post comprises V+ end and V-end, therefore often pair of load binding post includes common port binding post, avoids public termination terminal very few and result in the crowded problem of the load power source line that connects.
(5) the load binding post of the total power switch in the utility model maintenance power cabinet circuit module, the first branch switch between power branch breaker in middle power supply and total power switch and Switching Power Supply is arranged in the rear interior cabinet door of cabinet, the second branch switch in socket and power branch between socket and total power switch is arranged on the guidance panel of cabinet, low tension is provided by the load binding post in rear cabinet inside door, 220V alternating current is provided by the socket on control panel, by low-voltage power supply district with high voltage supply is trivial separates, easy to use.Overhaul power cabinet in addition and comprise rear cabinet inside door and rear cabinet external door, rear cabinet external door is provided with opening, the line be connected with the load binding post of Switching Power Supply is by this opening outlet on rear cabinet external door, and by this opening and removable cover, cabinet just can realize outlet without the need to opening rear cabinet door.
(6) the utility model maintenance power cabinet connects the cable exits of power supply at front cabinet door, and the line that Switching Power Supply load binding post is connected with load side is by the rear external door outlet of cabinet, by the voltage end of incoming cables of power supply and load end inlet wire physical isolation, make wiring more clear.The utility model control panel tilts certain angle in addition, considers ergonomics factor, is more applicable to the operation of relevant staff.The utility model is more convenient for the movement of cabinet at the wheel that cabinet bottom surface is arranged.
Accompanying drawing explanation
Fig. 1 is circuit figure in the utility model maintenance power cabinet.
Fig. 2 is cabinet side sectional view in the utility model maintenance power cabinet.
Fig. 3 is inside door schematic diagram after cabinet in the utility model maintenance power cabinet.
Fig. 4 is external door schematic diagram after cabinet in the utility model maintenance power cabinet.
Fig. 5 is cabinet guidance panel schematic diagram in the utility model maintenance power cabinet.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
Present embodiment discloses a kind of maintenance power cabinet, comprise cabinet and be arranged on the circuit module in cabinet; As shown in Figure 1, the circuit module in the present embodiment maintenance power cabinet comprises total power switch, Switching Power Supply and socket; Total power switch connects electric power generating composition power supply main line by cable; Each Switching Power Supply and each socket are connected total power switch respectively and form power branch, and in every bar power branch, are provided with the first branch switch between each Switching Power Supply and total power switch, are provided with the second branch switch between each socket and total power switch.
As shown in fig. 1, in the cable of the present embodiment, include three lines, provide the electric main of 220V/50HZ as external power source by the Three-phase five-wire circuit on city's electric wire.Cable connects phase line L1, the neutral line (N line) and ground wire (PE line) in the Three-phase five-wire circuit on city's electric wire respectively by three lines wherein, total power switch is linked in phase line L1 in civil power Three-phase five-wire circuit and the neutral line (N line) by cable, each power branch breaker in middle power supply and socket are linked in phase line L1 in civil power Three-phase five-wire circuit and the neutral line respectively by the branch switch in each power branch and total power switch, get the voltage between phase line L1 and the neutral line in city's electric wire.One end that in the present embodiment, cable is connected with external power source is one three plug inserted, and can be linked in phase line L1 in civil power Three-phase five-wire circuit and the neutral line by outside three slotting sockets.Power supply is in the present embodiment the AC mains being placed in maintenance power cabinet outside, can certainly be the power supply being placed in maintenance power cabinet inside.
The load binding post of the total power switch in the present embodiment in circuit module, Switching Power Supply, socket, the first branch switch and the second branch switch are separately positioned on the outer wall of cabinet.
In the present embodiment as shown in fig. 1, the number of circuit module breaker in middle power supply is three, be respectively and be arranged on 12V Switching Power Supply SE-600-12,24V Switching Power Supply SE-600-24 and 36V Switching Power Supply SE-600-36V in three power branch, the present embodiment obtains 220V alternating voltage in phase line L1 and the neutral line respectively by 12V Switching Power Supply SE-600-12,24V Switching Power Supply SE-600-24 and 36V Switching Power Supply SE-600-36V from civil power Three-phase five-wire circuit, and the corresponding direct voltage being converted to 12V, 24V and 36V respectively.Input voltage AC220V can be depressurized to 12VDC, 24VDC and 36VDC tri-electric pressures by these Switching Power Supplies by visible the present embodiment respectively.These Switching Power Supplies adopted in the present embodiment are all built-in with overheat protector, overload protection and excess voltage protection; when there is overload in loop or Switching Power Supply temperature is too high; automatic cut-off loop; it is too high that Simultaneous Switching power supply works as output end voltage; when exceeding permissible value; same closedown exports, and plays the effect of proterctive equipment and people.
In circuit module, the number of socket is four, is separately positioned in four power branch, is directly introduced by the 220V alternating voltage in socket civil power, exchanges electricity consumption for conventional 220V.The socket that the present embodiment uses is the socket comprising two plugs and three plugs.Article two, the socket in power branch is anti-tripping socket, and the socket in another two power branch is 86 sockets, and wherein anti-tripping socket overcomes conventional jack loose contact and the problem such as easily to come off.
Total power switch QF is leakage switch DZ47LE-40A in the present embodiment, the first branch switch 1QF in power branch between 12V Switching Power Supply SE-600-12 and total power switch is leakage switch DZ47LE-16A, the first branch switch 2QF in power branch between 24V Switching Power Supply SE-600-24 and total power switch is leakage switch DZ47LE-16A, and the first branch switch 3QF in power branch between 36V Switching Power Supply SE-600-36 and total power switch is leakage switch DZ47LE-16A.Second branch switch 4QF, 5QF, 6QF and 7QF in four power branch at wherein socket place is rocker switch.
In this enforcement, 12V Switching Power Supply SE-600-12,24V Switching Power Supply SE-600-24 and 36V Switching Power Supply SE-600-36V are respectively arranged with three pairs of load binding posts, often pair of load binding post comprises V+ end and V-end, visible often pair of load binding post includes common port binding post, avoids public end (zero line) binding post very few and result in the crowded problem of the load power source line that connects.
As shown in Figure 2, the present embodiment cabinet outer wall is made up of two pieces of side panels, upper top panel, panel of going to the bottom, rear cabinet door and front cabinet door 2.On cabinet, top panel comprises guidance panel 4, wherein guidance panel inclination 15 to 30 degree, and the top of guidance panel 4 is provided with guidance panel lid 5, plays dustproof effect; Cabinet panel of going to the bottom is provided with four Universal pulleys, and wherein two pulleys are with auto-lock function, facilitate the movement of cabinet.Two pieces of side panels of cabinet are provided with ventilation hole 6.The present embodiment cabinet adopts the corrosion-resistant material of stainless steel.
As shown in Figure 2, the rear cabinet door of the present embodiment cabinet comprises rear cabinet external door 1 and rear cabinet inside door 2, and wherein, cabinet inside door 2 is arranged on the inner side of rear cabinet external door 1.As shown in Figure 3, total power switch QF in the present embodiment circuit module, the first branch switch 1QF in 3 pairs of load binding posts of each Switching Power Supply and three power branch, 2QF and 3QF is separately positioned on rear cabinet inside door, wherein total power switch QF, article three, the first branch switch 1QF in power branch, 2QF and 3Q and be arranged in rear cabinet inside door on same level upper thread, and on the total main line of power supply and above-mentioned three power branch, be separately installed with indicator light, four indicator lights are placed in total power switch QF and branch switch 1QF respectively on rear cabinet inside door, the below of 2QF and 3QF, indicate corresponding power supply main line or power branch energising.As shown in Figure 3, the load binding post of each Switching Power Supply is arranged on one piece of insulation board 11, and insulation board 11 is fixed on rear cabinet inside door, and wherein 3 pairs of load binding posts of each Switching Power Supply i.e. six load binding posts are arranged on the same level line in insulation board.As shown in Figure 4, after the present embodiment, cabinet external door is provided with an opening, opening arranges removable cover, mode by hinge on this removable cover is connected with rear cabinet external door, the line be connected with the load binding post of Switching Power Supply is by this opening outlet on rear cabinet external door, by this opening and removable cover, the present embodiment cabinet just can realize outlet without the need to opening rear cabinet door.
As shown in Figure 5, four sockets on four power branch of the present embodiment and rocker switch 4QF, 5QF, 6QF and 7QF between each socket and total power switch are all arranged on guidance panel, four sockets wherein in four power branch are also arranged on the same level line on guidance panel, article four, on power branch, rocker switch 4QF, 5QF, 6QF and 7QF are separately positioned on the top of socket in corresponding same branch road, and rocker switch 4QF, 5QF, 6QF and 7QF are also and are arranged on the same level line on guidance panel.
Be provided with one piece of dividing plate 7 in the cabinet of the present embodiment, the below of cabinet median septum is provided with automatic or manual rolling cable disc 7, can be used for placing three Switching Power Supplies in the present embodiment above dividing plate 7.Cable in power supply main line is placed in rolling cable disc 8, cable in rolling cable disc 8 connects external power source by the outlet of cabinet front cabinet door, to be stretched by this rolling cable disc 8 length of cable in power supply main line, use in comparatively large wider spatial dimension with applicable the present embodiment maintenance power cabinet.The line that the present embodiment breaker in middle power supply load binding post is connected with load side is by the rear cabinet external door outlet of cabinet, and the cable connecting external power source carries out outlet by the front cabinet door of cabinet, by the voltage end of incoming cables of external power source and load end inlet wire physical isolation, make wiring more clear.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (10)
1. overhaul a power cabinet, comprise cabinet and be arranged on the circuit module in cabinet; It is characterized in that, described circuit module comprises total power switch and Switching Power Supply; Described total power switch connects electric power generating composition power supply main line by cable; Each Switching Power Supply connects described total power switch respectively and forms power branch, and in corresponding power branch road, is provided with the first branch switch between described each Switching Power Supply and total power switch;
Load binding post, first branch switch of described total power switch, Switching Power Supply are separately positioned on the outer wall of cabinet.
2. according to the maintenance power cabinet shown in claim 1, it is characterized in that, also socket is comprised in described circuit module, each socket connects described total power switch respectively and forms power branch, and in corresponding power branch road, be provided with the second branch switch between described each socket and total power switch, described socket and the second branch switch are arranged on the outer wall of cabinet.
3. maintenance power cabinet according to claim 2, it is characterized in that, the number of described circuit module breaker in middle power supply is three, be respectively and be arranged on 12V Switching Power Supply, 24V Switching Power Supply and 36V Switching Power Supply in three power branch, described Switching Power Supply is the Switching Power Supply being built-in with overheat protector, overload protection and excess voltage protection; In described circuit module, the number of socket is four, is separately positioned in four power branch, and the socket wherein in two power branch is anti-tripping socket, and the socket in another two power branch is 86 sockets.
4. maintenance power cabinet according to claim 2, it is characterized in that, the first branch switch between described power branch breaker in middle power supply and total power switch and total power switch are leakage switch, and the second branch switch in described power branch between socket and total power switch is rocker switch.
5. maintenance power cabinet according to claim 1, is characterized in that, each described Switching Power Supply comprises 3 pairs of load binding posts, and often pair of load binding post includes common port.
6. maintenance power cabinet according to claim 2, is characterized in that, described cabinet outer wall is made up of two pieces of side panels, upper top panel, panel of going to the bottom, rear cabinet door and front cabinet door; On cabinet, top panel comprises guidance panel, and guidance panel tilts certain angle; Described cabinet panel of going to the bottom is provided with pulley.
7. maintenance power cabinet according to claim 6, is characterized in that, the rear cabinet door of described cabinet comprises rear cabinet external door and rear cabinet inside door, and wherein, cabinet inside door is arranged on the inner side of rear cabinet external door; The load binding post of described total power switch, Switching Power Supply, the first branch switch between power branch breaker in middle power supply and total power switch are separately positioned on the rear cabinet inside door of cabinet, described rear cabinet external door is provided with an opening, and this opening arranges removable cover.
8. maintenance power cabinet according to claim 6, is characterized in that, described socket and the second branch switch between socket and total power switch are all arranged on guidance panel.
9. maintenance power cabinet according to claim 6, is characterized in that, is provided with rolling cable disc in described cabinet, and the cable in described power supply main line is placed in rolling cable disc, and described rolling cable disc is automatic or manual.
10. maintenance power cabinet according to claim 9, is characterized in that, the cable in described rolling cable disc connects power supply by the outlet of cabinet front cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797654.7U CN204290072U (en) | 2014-12-16 | 2014-12-16 | A kind of maintenance power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797654.7U CN204290072U (en) | 2014-12-16 | 2014-12-16 | A kind of maintenance power cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN204290072U true CN204290072U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420797654.7U Active CN204290072U (en) | 2014-12-16 | 2014-12-16 | A kind of maintenance power cabinet |
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| Country | Link |
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| CN (1) | CN204290072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130177A (en) * | 2016-08-31 | 2016-11-16 | 安徽华电工程咨询设计有限公司 | A kind of Novel maintenance power box being applicable to 110kV open air AIS transformer station |
| CN114268036A (en) * | 2021-11-26 | 2022-04-01 | 国网北京市电力公司 | Cabinet body structure |
-
2014
- 2014-12-16 CN CN201420797654.7U patent/CN204290072U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130177A (en) * | 2016-08-31 | 2016-11-16 | 安徽华电工程咨询设计有限公司 | A kind of Novel maintenance power box being applicable to 110kV open air AIS transformer station |
| CN114268036A (en) * | 2021-11-26 | 2022-04-01 | 国网北京市电力公司 | Cabinet body structure |
| CN114268036B (en) * | 2021-11-26 | 2024-01-23 | 国网北京市电力公司 | Cabinet structure |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181217 Address after: 510630 room 2201, Longkou East Road, Tianhe District, Guangzhou, Guangdong, 2201 Patentee after: Southern power grid peak modulation FM Power Generation Co., Ltd. Address before: 511400 Energy-saving Science and Technology Park Development Building 603, 555 North Panyu Avenue, Panyu District, Guangzhou City, Guangdong Province Patentee before: Peaking and Frequency Regulation Power Generation Company of China Southern Power Grid Co., Ltd. |
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| TR01 | Transfer of patent right |