CN103915886B - Uninterrupted power supply maintenance bypass device and uninterruptible power system - Google Patents

Uninterrupted power supply maintenance bypass device and uninterruptible power system Download PDF

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Publication number
CN103915886B
CN103915886B CN201410127233.8A CN201410127233A CN103915886B CN 103915886 B CN103915886 B CN 103915886B CN 201410127233 A CN201410127233 A CN 201410127233A CN 103915886 B CN103915886 B CN 103915886B
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power supply
terminals
uninterrupted power
circuit breaker
line bank
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CN103915886A (en
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尤勇
任中福
徐辉
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Invt Power Sytem Shenzhen Co ltd
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Invt Power Sytem Shenzhen Co ltd
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Abstract

The embodiment of the invention discloses a kind of uninterrupted power supply maintenance bypass device, wherein, first circuit breaker, second circuit breaker and the 3rd circuit breaker can be three single-pole circuit breakers, or, first circuit breaker is single-pole circuit breaker, described second circuit breaker and described 3rd circuit breaker are the first switching circuit and the second switch circuit of a double-pole cut-out, decrease the use number of double-pole cut-out, thus reduce the cost of maintenance bypass, and, pass through factor pluggable connectors, achieve the warm connection function between uninterrupted power supply maintenance bypass device and uninterrupted power supply, thus on-line maintenance can be carried out to uninterrupted power supply.And, because the use amount of double-pole cut-out reduces, the space shared by maintenance bypass is reduced, is easy to be integrated into UPS cabinet inside, thus can rack space be saved.

Description

Uninterrupted power supply maintenance bypass device and uninterruptible power system
Technical field
The present invention relates to technical field of power systems, more particularly, relate to a kind of uninterrupted power supply maintenance bypass device and uninterruptible power system.
Background technology
Uninterrupted power supply (UninterruptiblePowerSystem, UPS) is the important external equipment that lasting, stable, continual power supply can be provided to supply for load.Due to when changing UPS or safeguarding, needing UPS power-off, but the load not power-off that is connected with UPS will be ensured, therefore in order to ensure the load not power-off when changing UPS or safeguarding, needing for UPS is equipped with maintenance bypass assembly.
A kind of implementation of a kind of maintenance bypass conventional is at present, at UPS exterior arrangement maintenance bypass cabinet.The structure of maintenance bypass cabinet and the annexation of maintenance bypass cabinet and UPS are as shown in Figure 1, (namely the cabinet of maintenance bypass shown in Fig. 1 comprises 3 double-pole cut-outs, K1, K2, K3 in Fig. 1), when needs are safeguarded UPS, closed K2, disconnects K1 and K3 successively, thus when realizing UPS power-off, load not power-off, changes UPS or safeguards namely online.
But inventor is realizing finding in process of the present invention, the number of the double-pole cut-out that the implementation of current maintenance bypass assembly needs is more, make maintenance bypass to realize cost higher.
Summary of the invention
The object of this invention is to provide a kind of uninterrupted power supply maintenance bypass device, to reduce maintenance bypass cost.
For achieving the above object, the invention provides following technical scheme:
A kind of uninterrupted power supply maintenance bypass device, described uninterrupted power supply maintenance bypass device is connected by factor pluggable connectors with described uninterrupted power supply, the first connection panel that described factor pluggable connectors comprises hot-swappable connection is connected panel with second, and described second connects panel is connected with the output of described uninterrupted power supply with the mains electricity input end of described uninterrupted power supply; Described uninterrupted power supply maintenance bypass device comprises: line bank is connected panel with described first; Wherein,
First terminals of described line bank are connected with the described first the first terminals being connected panel by the first circuit breaker, form the first civil power input channel of described uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
Second terminals of described line bank are connected with the described first the second terminals being connected panel, form the second civil power input channel of described uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
3rd terminals of described line bank are connected panel the 3rd terminals with described first are connected, and form the first output channel of described uninterrupted power supply, the 3rd terminals of described line bank are also for being connected with the first input end of load;
4th terminals of described line bank are connected panel the 4th terminals with described first are connected, and form the second output channel of described uninterrupted power supply, the 4th terminals of described line bank are also for being connected with the second input of load;
First terminals of described line bank to be connected panel by the second circuit breaker the 3rd terminals with described first are connected;
Second terminals of described line bank to be connected panel by the 3rd circuit breaker the 4th terminals with described first are connected.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described uninterrupted power supply is single-phase input uninterrupted power supply, and the first terminals of described line bank are used for being connected with the fire wire output end of civil power, and the second terminals of described line bank are used for being connected with the zero line output of civil power.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described uninterrupted power supply is three-phase input uninterrupted power supply, and described line bank also comprises: the 6th terminals and the 7th terminals;
6th terminals of described line bank are connected panel the 6th terminals with described first are connected, and form the 3rd civil power input channel of described uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
7th terminals of described line bank are connected panel the 7th terminals with described first are connected, and form the 4th civil power input channel of described uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power;
First terminals of described line bank are used for being connected with the first fire wire output end of civil power, second terminals of described line bank are used for being connected with the zero line output of civil power, 6th terminals of described line bank are used for being connected with the second fire wire output end of civil power, and the 7th terminals of described line bank are used for being connected with the 3rd fire wire output end of civil power.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, the 6th terminals of described line bank to be connected panel by the 4th circuit breaker the 6th terminals with described first are connected;
7th terminals of described line bank to be connected panel by the 5th circuit breaker the 7th terminals with described first are connected.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described first circuit breaker is the first switching circuit of three-pole breaker, and described 4th circuit breaker is the second switch circuit of described three-pole breaker, and described 5th circuit breaker is the 3rd switching circuit of described three-pole breaker.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described first circuit breaker is single-pole circuit breaker, and described second circuit breaker is the first switching circuit of double-pole cut-out, and described 3rd circuit breaker is the second switch circuit of described double-pole cut-out.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described factor pluggable connectors is aerospace connectors, first connection panel of described factor pluggable connectors is provided with some jacks, second connection panel of described factor pluggable connectors is provided with some contact pins, or, the first connection panel of described factor pluggable connectors is provided with some contact pins, second connection panel of described factor pluggable connectors is provided with some jacks, and described contact pin and jack one_to_one corresponding are arranged.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, also comprises:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
A kind of uninterruptible power system, comprising: single-phase input uninterrupted power supply and uninterrupted power supply maintenance bypass device as above.
Above-mentioned uninterruptible power system, preferably, described uninterrupted power supply maintenance bypass device also comprises: package casing, and described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described single-phase input uninterrupted power supply, and removably connects with the cabinet of described single-phase input uninterrupted power supply.
A kind of uninterruptible power system, comprising: three-phase input uninterrupted power supply and upper described uninterrupted power supply maintenance bypass device.
Above-mentioned uninterruptible power system, preferably, described uninterrupted power supply maintenance bypass device also comprises:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described three-phase input uninterrupted power supply, and removably connects with the cabinet that described three-phase inputs uninterrupted power supply.。
Known by above scheme, a kind of uninterrupted power supply maintenance bypass device that the application provides, first circuit breaker, second circuit breaker and the 3rd circuit breaker can be three single-pole circuit breakers, or, first circuit breaker is single-pole circuit breaker, the function of described second circuit breaker and described 3rd circuit breaker is realized by a double-pole cut-out, decrease the use number of double-pole cut-out, thus reduce the cost of maintenance bypass, and, pass through factor pluggable connectors, achieve the warm connection function between uninterrupted power supply maintenance bypass device and uninterrupted power supply, thus on-line maintenance can be carried out to uninterrupted power supply.And, because the use amount of double-pole cut-out reduces, the space shared by maintenance bypass is reduced, is easy to be integrated into UPS cabinet inside, thus can rack space be saved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of uninterrupted power supply maintenance bypass cabinet in prior art;
A kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 2 provides for the embodiment of the present application;
The another kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 3 provides for the embodiment of the present application;
Another structural representation of the uninterrupted power supply maintenance bypass device that Fig. 4 provides for the embodiment of the present application;
Another structural representation of the uninterrupted power supply maintenance bypass device that Fig. 5 provides for the embodiment of the present application;
First of the factor pluggable connectors that Fig. 6 provides for the embodiment of the present application connects panel is connected panel a kind of structural representation with second;
The overall structure schematic diagram of the uninterrupted power supply maintenance bypass device after the encapsulation that Fig. 7 provides for the embodiment of the present application;
The overall structure schematic diagram being integrated with the uninterrupted power supply of uninterrupted power supply maintenance bypass device that Fig. 8 provides for the embodiment of the present application.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in specification and claims and above-mentioned accompanying drawing are for distinguishing similar part, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so that the embodiment of the application described herein can be implemented with the order except illustrated here.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Factor pluggable connectors is introduced in the embodiment of the present application, realize the warm connection function between maintenance bypass device and UPS, wherein, factor pluggable connectors comprises hot swappable first and connects panel and be connected panel with second, described second connects panel is connected with the output of described uninterrupted power supply with the mains electricity input end of described uninterrupted power supply, that is, in the embodiment of the present application, second connects panel is arranged on uninterrupted power supply side, and the first connection panel is arranged on uninterrupted power supply maintenance bypass device side;
Refer to Fig. 2, a kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 2 provides for the embodiment of the present application, can comprise:
Line bank 11 is connected panel 12 with first of factor pluggable connectors; Wherein,
First terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, form the first civil power input channel of uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
First civil power input channel can be the live wire input channel of civil power.
Second terminals a2 of line bank 11 is connected panel 12 the second terminals b2 with first is connected, and form the second civil power input channel of uninterrupted power supply, the second terminals of described line bank are also for being connected with the second output of civil power;
Second civil power input channel can be the zero line input channel of civil power.
3rd terminals a3 of line bank 11 is connected panel 12 the 3rd terminals b3 with first is connected, and form the first output channel of uninterrupted power supply, the 3rd terminals of described line bank are also for being connected with the first input end of load;
4th terminals a4 of line bank 11 is connected panel 12 the 4th terminals b4 with first is connected, and form the second output channel of uninterrupted power supply, the 4th terminals of described line bank are also for being connected with the second input of load.
First terminals a1 of line bank 11 to be connected panel 12 by the second circuit breaker 14 the 3rd terminals b3 with first is connected;
That is, the common port that the first terminals a1 of line bank 11 is connected the 3rd terminals b3 of panel 12 with first by the 3rd terminals a3 of the second circuit breaker 14 and line bank 11 is connected.
Second terminals a2 of line bank 11 to be connected panel 12 by the 3rd circuit breaker 15 the 4th terminals b4 with first is connected.
That is, the common port that the second terminals a2 of line bank 11 is connected the 4th terminals b4 of panel 12 with first by the 4th terminals a4 of the 3rd circuit breaker 15 and line bank 11 is connected.
Concrete first terminals a1 of line bank 11 connects the live wire of civil power input in use, and the second terminals a2 of line bank connects the zero line of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank connect load;
When first of factor pluggable connectors connect panel 12 to be connected with second panel be connected time, first the first terminals b1 connecting panel 12 is connected with the live wire input of uninterrupted power supply, first the second terminals b2 connecting panel 12 is connected with the zero line input of uninterrupted power supply, first the 3rd terminals b3 connecting panel 12 is connected with the first output of uninterrupted power supply, and the first the 4th terminals b4 connecting panel 12 is connected with the second output of uninterrupted power supply.
When uninterrupted power supply normal power supply, the first circuit breaker 13 is in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and factor pluggable connectors, and the electric current exported after uninterrupted power supply process exports load to by factor pluggable connectors;
When needs are safeguarded uninterrupted power supply, the first circuit breaker 13 is disconnected, the second circuit breaker 14 and the 3rd circuit breaker 15 all closed, and connect panel 12 by first of factor pluggable connectors and to be connected panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer through uninterrupted power supply, thus achieve the on-line maintenance of UPS.
A kind of uninterrupted power supply on-line maintenance shunting device that the embodiment of the present application provides, first circuit breaker, second circuit breaker and the 3rd circuit breaker can be three single-pole circuit breakers, or, first circuit breaker is single-pole circuit breaker, the function of described second circuit breaker and described 3rd circuit breaker is realized by a double-pole cut-out, decrease the use number of double-pole cut-out, thus reduce the cost of maintenance bypass, and, pass through factor pluggable connectors, achieve the warm connection function between uninterrupted power supply maintenance bypass device and uninterrupted power supply, thus on-line maintenance can be carried out to uninterrupted power supply.And, because the use amount of double-pole cut-out reduces, the space shared by maintenance bypass is reduced, is easy to be integrated into UPS cabinet inside, thus can rack space be saved
On basis embodiment illustrated in fig. 2, the another kind of structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides as shown in Figure 3, can also comprise:
5th terminals a5 of line bank 11 is connected panel 12 the 5th terminals b5 with first is connected, and forms the ground wire input channel of uninterrupted power supply;
In the embodiment of the present application, ground wire passage is also provided with in uninterrupted power supply maintenance bypass device, when first of factor pluggable connectors connect panel 12 to be connected with second panel be connected time, the first ground wire input connecting the 5th terminals b5 and UPS of panel 12 is connected, when occurring to avoid drain conditions, the danger that user is electrically shocked.
In above-described embodiment, the uninterrupted power supply maintenance bypass device provided goes for singly entering singly to go out uninterrupted power supply (i.e. single-phase input uninterrupted power supply) electric power system, now, first terminals of described line bank are used for being connected with the fire wire output end of civil power, and the second terminals of described line bank are used for being connected with the zero line output of civil power.
In above-described embodiment, the uninterrupted power supply maintenance bypass device provided can also be applicable to three and enter singly to go out uninterrupted power supply (i.e. three-phase input uninterrupted power supply) electric power system, on Fig. 1 or basis embodiment illustrated in fig. 2, as shown in Figure 4, described line bank can also comprise another structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides: the 6th terminals a6 and the 7th terminals a7;
6th terminals a6 of line bank 11 is connected panel 12 the 6th terminals b6 with first is connected, and form the 3rd civil power input channel of uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
7th terminals a7 of line bank 11 is connected panel 12 the 7th terminals b7 with first is connected, and form the 4th civil power input channel of uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, and forms the first civil power input channel of uninterrupted power supply;
In the embodiment of the present application, three-phase firewire inputs to uninterrupted power supply by different civil power input channels.Because uninterrupted power supply internal by-pass exports (as in Fig. 4, bypass in UPS exports 3) can be connected with any phase civil power input of uninterrupted power supply, therefore, in the embodiment of the present application, the first civil power input channel can input identical civil power input channel for exporting with uninterrupted power supply internal by-pass the civil power connected.Such as, when the civil power L1 phases that the bypass in UPS exports 3 connection uninterrupted power supplys input, the first civil power input channel is the L1 phase input channel of civil power, and namely the first Wiring port of line bank is used for being connected with the L1 phase output terminal of civil power; And if when the L2 phases that the bypass in UPS exports the civil power of 3 connection uninterrupted power supplys input, the first civil power input channel is the L2 phase input channel of civil power, namely the first Wiring port of line bank is used for being connected with the L2 phase output terminal of civil power.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, three bypasses of entering the uninterrupted power supply singly gone out can be realized and safeguard.
Concrete first terminals a1 of line bank 11 meets the first-phase live wire L1 of civil power input in use, and the 6th terminals a6 of line bank 11 meets the second-phase live wire L2 of civil power input, and the 7th terminals a7 of line bank 11 meets the third phase live wire L3 of civil power input; Second terminals a2 of line bank meets the zero line N of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank 11 connect load;
When first of factor pluggable connectors connect panel 12 to be connected with second panel be connected time, first connects the first terminals b1 of panel 12 is connected with the first-phase live wire input of uninterrupted power supply, first connects the 6th terminals b6 of panel 12 is connected with the second-phase live wire input of uninterrupted power supply, first connects the 7th terminals b7 of panel 12 is connected with the third phase live wire input of uninterrupted power supply, first the second terminals b2 connecting panel 12 is connected with the zero line input of uninterrupted power supply, first the 3rd terminals b3 connecting panel 12 is connected with the first output of uninterrupted power supply, first the 4th terminals b4 connecting panel 12 is connected with the second output of uninterrupted power supply.
When uninterrupted power supply normal power supply, the first circuit breaker 13 is in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and factor pluggable connectors, and the electric current exported after uninterrupted power supply process exports load to by factor pluggable connectors;
When needs are safeguarded uninterrupted power supply, the first circuit breaker 13 is disconnected, the second circuit breaker 14 and the 3rd circuit breaker 15 all closed, and connect panel 12 by first of factor pluggable connectors and to be connected panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer through uninterrupted power supply, thus achieve the on-line maintenance of UPS.
On Fig. 1 or basis embodiment illustrated in fig. 2, another structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides as shown in Figure 5, described uninterrupted power supply is three-phase input uninterrupted power supply, and described line bank can also comprise: the 6th terminals a6 and the 7th terminals a7;
6th terminals a6 of line bank 11 to be connected panel 12 by the 4th circuit breaker 16 the 6th terminals b6 with first is connected, form the 3rd civil power input channel of uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
7th terminals a7 of line bank 11 to be connected panel 12 by the 5th circuit breaker 17 the 7th terminals b7 with first is connected, form the 4th civil power input channel of uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, and forms the first civil power input channel of uninterrupted power supply;
First civil power input channel can be the first-phase live wire input channel of three-phase mains.
First civil power input channel can be the first-phase live wire input channel of three-phase mains.Wherein, first-phase live wire input channel can be the input channel of any phase firewire in three-phase firewire, and three-phase firewire inputs to uninterrupted power supply by different live wire input channels.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly gone out.
Concrete first terminals a1 of line bank 11 meets the first-phase live wire L1 of civil power input in use, and the 6th terminals a6 of line bank 11 meets the second-phase live wire L2 of civil power input, and the 7th terminals a7 of line bank 11 meets the third phase live wire L3 of civil power input; Second terminals a2 of line bank meets the zero line N of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank 11 connect load;
When first of factor pluggable connectors connect panel 12 to be connected with second panel be connected time, first connects the first terminals b1 of panel 12 is connected with the first-phase live wire input of uninterrupted power supply, first connects the 6th terminals b6 of panel 12 is connected with the second-phase live wire input of uninterrupted power supply, first connects the 7th terminals b7 of panel 12 is connected with the third phase live wire input of uninterrupted power supply, first the second terminals b2 connecting panel 12 is connected with the zero line input of uninterrupted power supply, first the 3rd terminals b3 connecting panel 12 is connected with the first output of uninterrupted power supply, first the 4th terminals b4 connecting panel 12 is connected with the second output of uninterrupted power supply.
When uninterrupted power supply normal power supply (namely when being in inversion operating conditions), the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 are all in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and factor pluggable connectors, and the electric current exported after uninterrupted power supply process exports load to by factor pluggable connectors;
When needs safeguard (namely when being in maintenance bypass state) to uninterrupted power supply, first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 are disconnected, second circuit breaker 14 and the 3rd circuit breaker 15 all closed, and connect panel 12 by first of factor pluggable connectors and to be connected panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer through uninterrupted power supply, thus achieve the on-line maintenance of UPS.
In above-described embodiment, preferably, for ease of operation, the first circuit breaker 13 is the first switching circuit of three-pole breaker, and the 4th circuit breaker 16 is the second switch circuit of described three-pole breaker, and the 5th circuit breaker 17 is the 3rd switching circuit of described three-pole breaker.
That is, in the embodiment of the present application, the function of the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 can be realized by a three-pole breaker, namely replaces described first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 with a three-pole breaker.
In above-described embodiment, preferably, the second circuit breaker 14 is the first switching circuit of double-pole cut-out, and the 3rd circuit breaker 15 is the second switch circuit of described double-pole cut-out.
That is, in the embodiment of the present application, the function of the second circuit breaker 13 and the 3rd circuit breaker 15 can be realized by a double-pole cut-out, namely replaces described second circuit breaker 13 and the 3rd circuit breaker 15 for a double-pole cut-out.
In above-described embodiment, preferably, the factor pluggable connectors that the embodiment of the present application provides can be aerospace connectors, and aerospace connectors aims at modular power source design, adopt advanced one sheet hyperboloid formula wire spring socket or hat spring socket as contact, there is high dynamic Contact reliability.Hat spring socket has smooth arc contact-making surface, plugs soft, and ensure Maximum Contact face, contact resistance is low, and temperature rise is little, and shock resistance is high simultaneously.Wherein, first of aerospace connectors connects panel and is connected a kind of structural representation of panel as shown in Figure 6 with second, and it is aerospace connectors female that first of described aerospace connectors connects panel P1, is provided with some jacks, as being preced with spring socket, can prevent finger from getting an electric shock.It is aerospace connectors male that second of described aerospace connectors connects panel P2, is provided with some contact pins, and described contact pin and jack one_to_one corresponding are arranged, namely contact pin insert a jack can good coupling, forms a sub-connector, support hot plug; In the embodiment of the present application, the rated current of selected aerospace connectors can be 75A.
Above-described embodiment, preferably, described uninterrupted power supply maintenance bypass device can also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
Conveniently uninterrupted power supply maintenance bypass device is separated with uninterrupted power supply, uninterrupted power supply maintenance bypass device shell can be encapsulated, the overall structure schematic diagram of the uninterrupted power supply maintenance bypass device after the encapsulation that the embodiment of the present application provides as shown in Figure 7.In Fig. 7, parts 71 are that first of factor pluggable connectors connects panel, and parts 72 are line bank, and parts 73 are the first circuit breaker, and parts 74 are two single-pole circuit breakers or a double-pole cut-out.
A kind of uninterruptible power system that the embodiment of the present application also provides, a kind of structural representation of the uninterruptible power system that the embodiment of the present application provides referring to Fig. 2, can be able to comprise:
Uninterrupted power supply UPS and uninterrupted power supply maintenance bypass device; Wherein, described uninterrupted power supply is for singly to enter singly to go out uninterrupted power supply (i.e. single-phase input uninterrupted power supply), and described uninterrupted power supply is connected by factor pluggable connectors with described uninterrupted power supply bypass maintenance bypass device; The first connection panel that described factor pluggable connectors comprises hot-swappable connection is connected panel with second; Described second connects panel is connected with the output of described uninterrupted power supply with the mains electricity input end of described uninterrupted power supply;
Uninterrupted power supply UPS comprises UPS rectifier and inverter module and relay, wherein, the input of UPS rectifier and inverter module connects civil power, the inversion of UPS rectifier and inverter module exports as single-phase output, wherein, UPS rectifier exports with the zero line of inverter module and is directly connected with factor pluggable connectors, UPS rectifier exports with the live wire of inverter module and is connected with the Chang Kaiduan 2 of relay, normal-closed end 3 and a phase of relay input live wire and are connected, and the stiff end 1 of relay is directly connected with factor pluggable connectors;
The operating state of uninterruptible power system comprises inversion operating conditions, internal by-pass state and maintenance bypass state, and concrete state is as follows:
Inversion operating conditions: the first circuit breaker 13 closes, and the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; First connection panel P1 of factor pluggable connectors is connected panel P2 with second and combines closely, civil power connects panel P1 by the first circuit breaker 13, first and is connected panel P2 with second, enter uninterrupted power supply, outputting standard sine wave after UPS rectifier and inverter module, (now the dynamic contact of relay is switched to Chang Kaiduan 2 to export relay to, stiff end 1 and Chang Kaiduan 2 UNICOM of relay), inversion exports and gives load by factor pluggable connectors.
Internal by-pass state: the first circuit breaker 13 closes, and the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; First connection panel P1 of factor pluggable connectors is connected panel P2 with second and combines closely, civil power connects panel P1 by the first circuit breaker 13, first and is connected panel P2 with second, enter uninterrupted power supply, now, the dynamic contact of relay is switched to normal-closed end 3, stiff end 1 and normal-closed end 3 UNICOM of relay, now, civil power directly flows to load by relay and factor pluggable connectors without UPS rectifier and inverter module.
Maintenance bypass state: the first circuit breaker 13 disconnects, the second circuit breaker 14 and the 3rd circuit breaker 15 close; First connection panel P1 of factor pluggable connectors is connected panel P2 and is separated with second, civil power directly outputs to load through the second circuit breaker 14 and the 3rd circuit breaker 15.
Described uninterrupted power supply maintenance bypass device comprises: line bank 11 is connected panel 12 with described first; Wherein,
First terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, form the first civil power input channel of uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
First civil power input channel can be the live wire input channel of civil power.
Second terminals a2 of line bank 11 is connected panel 12 the second terminals b2 with first is connected, and form the second civil power input channel of uninterrupted power supply, the second terminals of described line bank are also for being connected with the second output of civil power;
Second civil power input channel can be the zero line input channel of civil power.
3rd terminals a3 of line bank 11 is connected panel 12 the 3rd terminals b3 with first is connected, and form the first output channel of uninterrupted power supply, the 3rd terminals of described line bank are also for being connected with the first input end of load;
4th terminals a4 of line bank 11 is connected panel 12 the 4th terminals b4 with first is connected, and form the second output channel of uninterrupted power supply, the 4th terminals of described line bank are also for being connected with the second input of load.
First terminals a1 of line bank 11 to be connected panel 12 by the second circuit breaker 14 the 3rd terminals b3 with first is connected;
That is, the common port that the first terminals a1 of line bank 11 is connected the 3rd terminals b3 of panel 12 with first by the 3rd terminals a3 of the second circuit breaker 14 and line bank 11 is connected.
Second terminals a2 of line bank 11 to be connected panel 12 by the 3rd circuit breaker 15 the 4th terminals b4 with first is connected.
That is, the common port that the second terminals a2 of line bank 11 is connected the 4th terminals b4 of panel 12 with first by the 4th terminals a4 of the 3rd circuit breaker 15 and line bank 11 is connected.
When described first connect panel to be connected with described second panel be connected time, described first connects the first terminals of panel is connected with the first mains electricity input end of described uninterrupted power supply, described first connects the second terminals of panel is connected with the second mains electricity input end of described uninterrupted power supply, described first the 3rd terminals connecting panel are connected with the first output of described uninterrupted power supply, and the described first the 4th terminals connecting panel are connected with the second output of described uninterrupted power supply.
5th terminals a5 of line bank 11 is connected panel 12 the 5th terminals b5 with first is connected, and forms the ground wire input channel of uninterrupted power supply;
In the embodiment of the present application, ground wire passage is also provided with in uninterrupted power supply maintenance bypass device, when first of factor pluggable connectors connect panel 12 to be connected with second panel be connected time, the first ground wire input connecting the 5th terminals b5 and UPS of panel 12 is connected, when occurring to avoid drain conditions, the danger that user is electrically shocked.
In above-described embodiment, described uninterrupted power supply is for singly to enter singly to go out uninterrupted power supply, the structural representation of the another kind of uninterruptible power system that the embodiment of the present application provides as shown in Figure 4, in embodiment illustrated in fig. 4, uninterrupted power supply be three enter singly to go out uninterrupted power supply (for three-phase input uninterrupted power supply), preferably, on basis embodiment illustrated in fig. 2, described line bank 11 also can also comprise: the 6th terminals a6 and the 7th terminals a7;
6th terminals a6 of line bank 11 is connected panel 12 the 6th terminals b6 with first is connected, and form the 3rd civil power input channel of uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
7th terminals a7 of line bank 11 is connected panel 12 the 7th terminals b7 with first is connected, and form the 4th civil power input channel of uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, and forms the first civil power input channel of uninterrupted power supply;
First civil power input channel can be the first-phase live wire input channel of three-phase mains.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly gone out.
The structural representation of the another kind of uninterruptible power system that the embodiment of the present application provides as shown in Figure 5, in embodiment illustrated in fig. 5, uninterrupted power supply be three enter singly to go out uninterrupted power supply (for three-phase input uninterrupted power supply), preferably, on basis embodiment illustrated in fig. 2, described line bank 11 can also comprise: the 6th terminals a6 and the 7th terminals a7;
6th terminals a6 of line bank 11 to be connected panel 12 by the 4th circuit breaker 16 the 6th terminals b6 with first is connected, form the 3rd civil power input channel of uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
7th terminals a7 of line bank 11 to be connected panel 12 by the 5th circuit breaker 17 the 7th terminals b7 with first is connected, form the 4th civil power input channel of uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
4th civil power input channel can be the third phase live wire input channel of three-phase mains.
When described first connect panel to be connected with described second panel be connected time, described first connects the 6th terminals of panel is connected with the 3rd mains electricity input end of described uninterrupted power supply, and described first connects the 7th terminals of panel is connected with the 4th mains electricity input end of described uninterrupted power supply.
In the embodiment of the present application, the first terminals a1 of line bank 11 to be connected panel 12 by the first circuit breaker 13 the first terminals b1 with first is connected, and forms the first civil power input channel of uninterrupted power supply;
First civil power input channel can be the first-phase live wire input channel of three-phase mains.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly gone out.
In above-described embodiment, preferably, for ease of operation, the first circuit breaker 13 is the first switching circuit of three-pole breaker, and the 4th circuit breaker 16 is the second switch circuit of described three-pole breaker, and the 5th circuit breaker 17 is the 3rd switching circuit of described three-pole breaker.
That is, in the embodiment of the present application, the function of the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 can be realized by a three-pole breaker, namely replaces described first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 with a three-pole breaker.
In above-described embodiment, preferably, the second circuit breaker 14 is the first switching circuit of double-pole cut-out, and the 3rd circuit breaker 15 is the second switch circuit of described double-pole cut-out.
That is, in the embodiment of the present application, the function of the second circuit breaker 13 and the 3rd circuit breaker 15 can be realized by a double-pole cut-out, namely replaces described second circuit breaker 13 and the 3rd circuit breaker 15 for a double-pole cut-out.
In above-described embodiment, preferably, the factor pluggable connectors that the embodiment of the present application provides can be aerospace connectors, and aerospace connectors aims at modular power source design, adopt advanced one sheet hyperboloid formula wire spring socket or hat spring socket as contact, there is high dynamic Contact reliability.Hat spring socket has smooth arc contact-making surface, plugs soft, and ensure Maximum Contact face, contact resistance is low, and temperature rise is little, and shock resistance is high simultaneously.Wherein, first of aerospace connectors connects panel and is connected a kind of structural representation of panel as shown in Figure 6 with second, and it is aerospace connectors female that first of described aerospace connectors connects panel P1, is provided with some jacks, as being preced with spring socket, can prevent finger from getting an electric shock.It is aerospace connectors male that second of described aerospace connectors connects panel P2, is provided with some contact pins, and described contact pin and jack one_to_one corresponding are arranged, namely contact pin insert a jack can good coupling, forms a sub-connector, support hot plug; In the embodiment of the present application, the rated current of selected aerospace connectors can be 75A.
Above-described embodiment, preferably, described uninterrupted power supply maintenance bypass device can also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
In above-described embodiment, preferably, described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described uninterrupted power supply, and removably connects with the cabinet of described uninterrupted power supply, conveniently in the cabinet of uninterrupted power supply, extracts described maintenance bypass device.
The uninterrupted power supply maintenance bypass device that application embodiment provides takes up room little, can be integrated on the cabinet of uninterrupted power supply, as shown in Figure 8, the overall structure schematic diagram being integrated with the uninterrupted power supply of uninterrupted power supply maintenance bypass device that provides for the embodiment of the present application of Fig. 8;
The cabinet of uninterrupted power supply is provided with factor pluggable connectors second connects panel.Uninterrupted power supply maintenance bypass device is put into uninterrupted power supply cabinet inside and uninterrupted power supply combines together, thus the space of described uninterrupted power supply cabinet place frame need not be taken, and uninterrupted power supply maintenance bypass cabinet of the prior art needs additionally to take rack space, therefore, the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides can also save rack space.
In the embodiment of the present application, uninterrupted power supply is as follows to the handoff procedure of maintenance bypass state by inversion operating conditions:
By the closing key of uninterrupted power supply, or carry out the setting of manual bypass pattern, allow uninterrupted power supply enter internal by-pass state by inversion operating conditions;
In internal by-pass state, stiff end 1 and the normal-closed end 3 of relay are connected; If ups power is single-phase input uninterrupted power supply, then the first circuit breaker 13 closes, and the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; If ups power is three-phase input uninterrupted power supply, then, the first circuit breaker 13 is closed (if also comprise the 4th circuit breaker 16 and the 5th circuit breaker 17, then, 4th circuit breaker 16 and the 5th circuit breaker 17 also close), the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect;
Closed second circuit breaker 14 and the 3rd circuit breaker 15, disconnect the first circuit breaker 13 (if also comprise the 4th circuit breaker 16 and the 5th circuit breaker 17, then, the 4th circuit breaker 16 and the 5th circuit breaker 17 also disconnect with the first circuit breaker 13 simultaneously);
Disconnect the battery circuit breaker in the external cell cabinet of uninterrupted power supply, and extract the battery connector in uninterrupted power supply;
Extract uninterrupted power supply maintenance bypass device, now uninterrupted power supply maintenance bypass device and uninterrupted power supply are electrically connected and disconnect, the complete power down of uninterrupted power supply.
Realize being separated of charged uninterrupted power supply maintenance bypass device and uncharged uninterrupted power supply, uninterrupted power supply is left standstill 10 minutes, after the electric charge stored until uninterrupted power supply internal capacitance releases, just uninterrupted power supply can be disassembled from frame and maintain.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (12)

1. a uninterrupted power supply maintenance bypass device, it is characterized in that, described uninterrupted power supply maintenance bypass device is connected by factor pluggable connectors with described uninterrupted power supply, the first connection panel that described factor pluggable connectors comprises hot-swappable connection is connected panel with second, and described second connects panel is connected with the output of described uninterrupted power supply with the mains electricity input end of described uninterrupted power supply; Described uninterrupted power supply maintenance bypass device comprises: line bank is connected panel with described first; Wherein,
First terminals of described line bank are connected with the described first the first terminals being connected panel by the first circuit breaker, form the first civil power input channel of described uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
Second terminals of described line bank are connected with the described first the second terminals being connected panel, form the second civil power input channel of described uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
3rd terminals of described line bank are connected panel the 3rd terminals with described first are connected, and form the first output channel of described uninterrupted power supply, the 3rd terminals of described line bank are also for being connected with the first input end of load;
4th terminals of described line bank are connected panel the 4th terminals with described first are connected, and form the second output channel of described uninterrupted power supply, the 4th terminals of described line bank are also for being connected with the second input of load;
First terminals of described line bank to be connected panel by the second circuit breaker the 3rd terminals with described first are connected;
Second terminals of described line bank to be connected panel by the 3rd circuit breaker the 4th terminals with described first are connected.
2. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described uninterrupted power supply is single-phase input uninterrupted power supply, first terminals of described line bank are used for being connected with the fire wire output end of civil power, and the second terminals of described line bank are used for being connected with the zero line output of civil power.
3. uninterrupted power supply maintenance bypass device according to claim 1, is characterized in that, described uninterrupted power supply is three-phase input uninterrupted power supply, and described line bank also comprises: the 6th terminals and the 7th terminals;
6th terminals of described line bank are connected panel the 6th terminals with described first are connected, and form the 3rd civil power input channel of described uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
7th terminals of described line bank are connected panel the 7th terminals with described first are connected, and form the 4th civil power input channel of described uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power;
First terminals of described line bank are used for being connected with the first fire wire output end of civil power, second terminals of described line bank are used for being connected with the zero line output of civil power, 6th terminals of described line bank are used for being connected with the second fire wire output end of civil power, and the 7th terminals of described line bank are used for being connected with the 3rd fire wire output end of civil power.
4. uninterrupted power supply maintenance bypass device according to claim 3, is characterized in that,
6th terminals of described line bank to be connected panel by the 4th circuit breaker the 6th terminals with described first are connected;
7th terminals of described line bank to be connected panel by the 5th circuit breaker the 7th terminals with described first are connected.
5. uninterrupted power supply maintenance bypass device according to claim 4, it is characterized in that, described first circuit breaker is the first switching circuit of three-pole breaker, described 4th circuit breaker is the second switch circuit of described three-pole breaker, and described 5th circuit breaker is the 3rd switching circuit of described three-pole breaker.
6. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described first circuit breaker is single-pole circuit breaker, and described second circuit breaker is the first switching circuit of double-pole cut-out, and described 3rd circuit breaker is the second switch circuit of described double-pole cut-out.
7. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described factor pluggable connectors is aerospace connectors, first connection panel of described factor pluggable connectors is provided with some jacks, second connection panel of described factor pluggable connectors is provided with some contact pins, or, first connection panel of described factor pluggable connectors is provided with some contact pins, second connection panel of described factor pluggable connectors is provided with some jacks, and described contact pin and jack one_to_one corresponding are arranged.
8. the uninterrupted power supply maintenance bypass device according to claim 1-7 any one, is characterized in that, also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
9. a uninterruptible power system, is characterized in that, comprising: single-phase input uninterrupted power supply and the uninterrupted power supply maintenance bypass device as described in claim 1,2,6,7 any one.
10. uninterruptible power system according to claim 9, it is characterized in that, described uninterrupted power supply maintenance bypass device also comprises: package casing, and described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described single-phase input uninterrupted power supply, and removably connects with the cabinet of described single-phase input uninterrupted power supply.
11. 1 kinds of uninterruptible power systems, is characterized in that, comprising: three-phase input uninterrupted power supply and the uninterrupted power supply maintenance bypass device as described in claim 1,3,4,5,6,7 any one.
12. uninterruptible power systems according to claim 11, is characterized in that, described uninterrupted power supply maintenance bypass device also comprises:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described three-phase input uninterrupted power supply, and removably connects with the cabinet that described three-phase inputs uninterrupted power supply.
CN201410127233.8A 2014-03-31 2014-03-31 Uninterrupted power supply maintenance bypass device and uninterruptible power system Active CN103915886B (en)

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CN102769334A (en) * 2012-07-13 2012-11-07 深圳供电局有限公司 Spare power automatic switching device for no-slot joint during bypass operation
CN102893491A (en) * 2010-05-13 2013-01-23 伊顿公司 Uniterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source

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CN102893491A (en) * 2010-05-13 2013-01-23 伊顿公司 Uniterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source
CN102769334A (en) * 2012-07-13 2012-11-07 深圳供电局有限公司 Spare power automatic switching device for no-slot joint during bypass operation

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