CN2377761Y - Automatic switching uninterrupted power supply unit - Google Patents
Automatic switching uninterrupted power supply unit Download PDFInfo
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- CN2377761Y CN2377761Y CN 99207284 CN99207284U CN2377761Y CN 2377761 Y CN2377761 Y CN 2377761Y CN 99207284 CN99207284 CN 99207284 CN 99207284 U CN99207284 U CN 99207284U CN 2377761 Y CN2377761 Y CN 2377761Y
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Abstract
The utility model discloses an automatic switching uninterrupted power supply device, which comprises two paths of power supply inlet wire interfaces, output end interfaces, two sets of automatic switching switch groups of automatic switching controllers, interlocking devices, and rectifier modules. Then, two paths of independent direct current supply loops are respectively formed. The two paths of controllers are both provided with two different input ends which are respectively connected with a fist path of the power supply inlet wire interface and a second path of the power supply inlet wire interface through sampling resistors. The output ends of the two paths of [the] rectifier modules are mutually connected as an interface of the output end of the integral power supply device. Two sets of power supply loops can realize external uninterrupted dc supply under the control of a respective controller.
Description
The utility model relates to a kind of automatic switchover uninterrupted power supply(ups).
In some important power supply occasions, for example communication power supply, electric power operation power supply, railway signaling power supply etc., generally all be furnished with two-way power supply and automatic switching control equipment, one the tunnel when outage, under-voltage faults such as (also comprising overvoltage in application number is 98240012.8 patent application) occurring therein, can automatically switch to another road.This automatic switching control equipment generally is provided with machinery and electrical interlocks, during switching, generally has 0.1～0.5 second or the power failure switching of more longer time, because the switching of power supply has of short duration power failure, can cause power-supply system and bigger action and the switching of control protection system.Make stand-by power supply even be furnished with the accumulate pond, sometimes owing to the accumulate pond, when system had a power failure switching in short-term, electricity can not be kept supplying in the accumulate pond, causes accident.
The purpose of this utility model is exactly for head it off, and a kind of dual bridge-type automatic switchover uninterrupted power supply(ups) is provided, and to reach when exchange switching, installs the purpose of no moment power failure.
The utility model realizes that the scheme of above-mentioned purpose is: a kind of automatic switchover uninterrupted power supply(ups), comprise first via electric power incoming line interface, the second road electric power incoming line interface, the output interface, and automatic switchover controller, the automatic transfer switch group, interlock, rectification module, it is characterized in that: described automatic switchover controller, the automatic transfer switch group, interlock and rectification module respectively have two covers, form the two independent direct current power supply loop respectively: A road direct current power supply loop is preferentially connected first via electric power incoming line interface, it comprises A road controller, automatic transfer switch group QF1-QF2, A road rectification module, wherein the input contact of automatic transfer switch QF1 links to each other with first via electric source line interface, the input contact of automatic transfer switch QF2 links to each other with the second road electric source line interface, and the output contact of the two interconnects and be connected to A road rectification module; Two the switch QF1 of automatic transfer switch group QF1-QF2 and QF2 are mechanical interlocked by interlock G1; Preferential the second road electric power incoming line interface of connecting of B road direct current power supply loop, it comprises B road controller, automatic transfer switch group QF3-QF4, B road rectification module, wherein the input contact of automatic transfer switch QF3 links to each other with first via electric source line interface, the input contact of automatic transfer switch QF4 links to each other with the second road electric source line interface, and the output contact of the two interconnects and be connected to B road rectification module; Two the switch QF3 of automatic transfer switch group QF3-QF4 and QF4 are mechanical interlocked by interlock G2; The two-way controller all has two different inputs respectively to link to each other with the second road electric power incoming line interface with first via electric power incoming line interface by sampling resistor, thus two sampled signal V of sampling resistor output
IAnd V
IIBe connected on respectively on two different inputs of controller; The two-way rectification module, output interconnect and as the output interface of whole supply unit.
In an important embodiment, described automatic switchover controller comprises overvoltage commutation circuit, under-voltage commutation circuit, triode T1, T2 and relay K 1, K2, in the direct current power supply loop of A road, relay K 1, K2 link to each other with automatic transfer switch QF1, QF2 respectively, in the direct current power supply loop of B road, relay K 1, K2 link to each other with automatic transfer switch QF4, QF3; Wherein overvoltage commutation circuit, under-voltage commutation circuit mainly are made up of integrated transporting discharging N3, N4, N5, N6, and the input of described integrated transporting discharging N3, N4, N5, N6 meets reference voltage Vr and sampled voltage V respectively
I, V
II。
Owing to adopted above scheme, two cover automatic switchover controllers, automatic transfer switch group, interlock, rectification module, form the two independent direct current power supply loop respectively, at two-way input power supply just often, they are respectively by the first via power supply and the second road power work.When wherein any one road power supply breaks down, must have only in the two-way direct current power supply loop that riches all the way and give birth to handover event, and another road is also in operate as normal, therefore, in one road direct current power supply loop of action the instant cut-off phenomenon is arranged though switch, but the output of whole device can not cut off the power supply, thereby has realized that continuous TURP changes.
Fig. 1 is the utility model principle schematic.
Fig. 2 is a kind of automatic switchover controller circuitry schematic diagram among the utility model embodiment.
Fig. 3 is existing auto switching electric source schematic representation of apparatus.
Fig. 4 is an example of rectification module.
Fig. 5 is that the utility model device is used for the three-wire system civil power schematic diagram in when input.
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one:
For the ease of comparing, Fig. 3 shows existing auto switching electric source device schematic diagram.Controller is obtained sampled voltage V from the two-way power supply respectively
I, V
IIThereby, the fluctuation situation of real-time monitoring input voltage.When outage, under-voltage faults such as (also comprising overvoltage sometimes), the action of controller control automatic transfer switch realizes from one road switching to another road.Rectification module converts thereof into direct current, outputs to output interface 3, and then connects load 4.Obviously, there is aforesaid drawbacks in it.
See Fig. 1, be depicted as a kind of automatic switchover uninterrupted power supply(ups) that the utility model proposes, comprise first via electric power incoming line interface 1, the second road electric power incoming line interface 2, output interface 3, and automatic switchover controller, automatic transfer switch group, interlock, rectification module, it is characterized in that:
Described automatic switchover controller, the automatic transfer switch group, interlock and rectification module respectively have two covers, form the two independent direct current power supply loop respectively: A road direct current power supply loop is preferentially connected first via electric power incoming line interface 1, it comprises A road controller 11, automatic transfer switch group QF1-QF2, A road rectification module 16, wherein the input contact 12 of automatic transfer switch QF1 links to each other with first via electric source line interface 1, the input contact 22 of automatic transfer switch QF2 links to each other with the second road electric source line interface 2, the output contact 13 of the two, 23 interconnect and are connected to A road rectification module 16; Two the switch QF1 of automatic transfer switch group QF1-QF2 and QF2 are mechanical interlocked by interlock G1;
Preferential the second road electric power incoming line interface 2 of connecting of B road direct current power supply loop, it comprises B road controller 21, automatic transfer switch group QF3-QF4, B road rectification module 26, wherein the input contact 14 of automatic transfer switch QF3 links to each other with first via electric source line interface 1, the input contact 24 of automatic transfer switch QF4 links to each other with the second road electric source line interface 2, and the output contact 15,25 of the two interconnects and be connected to B road rectification module 26; Two the switch QF3 of automatic transfer switch group QF3-QF4 and QF4 are mechanical interlocked by interlock G2;
Two-way controller 11,21 all has two different inputs respectively to link to each other with the second road electric power incoming line interface 2 with first via electric power incoming line interface 1 by sampling resistor, thus two sampled signal V of sampling resistor output
IAnd V
IIBe connected on respectively on two different inputs of controller 11,21;
The output of two-way rectification module 16,26 interconnects and as the output interface 3 of whole supply unit.
The specific implementation Method and circuits of described automatic switchover controller 11,12 can have multiple.Referring to Fig. 2, in the present embodiment, described automatic switchover controller 11,21 comprises overvoltage commutation circuit, under-voltage commutation circuit, triode T1, T2 and relay K 1, K2, in the direct current power supply loop of A road, relay K 1, K2 link to each other with automatic transfer switch QF1, QF2 respectively, in the direct current power supply loop of B road, relay K 1, K2 link to each other with automatic transfer switch QF4, QF3; Wherein overvoltage commutation circuit, under-voltage commutation circuit mainly are made up of integrated transporting discharging N3, N4, N5, N6, and the input of described integrated transporting discharging N3, N4, N5, N6 meets reference voltage Vr and sampled voltage V respectively
I, V
II
When it during as A road controller, N3 wherein, N4, G1, K1 follow the tracks of first via power supply (promptly being connected on the power supply on the first via electric power incoming line interface 1), wherein N3 follows the tracks of under-voltage and opens circuit, N4 follows the tracks of overvoltage; N5, N6, G2, K2 follow the tracks of the second road power supply (promptly being connected on the power supply on the second road electric power incoming line interface 2), and wherein N5 follows the tracks of under-voltage and opens circuit, and N6 follows the tracks of overvoltage; Diode D32 realizes that first via power supply is preferential.
When it during as B road controller, N3 wherein, N4, G1, K1 follow the tracks of the second road power supply, wherein N3 follows the tracks of under-voltage and opens circuit, N4 follows the tracks of overvoltage; N5, N6, G2, K2 follow the tracks of first via power supply, and wherein N5 follows the tracks of under-voltage and opens circuit, and N6 follows the tracks of overvoltage; Diode D32 realizes that the second road power supply is preferential.
Rectification module in the utility model device adopts common rectification circuit to get final product, and bridge rectifier as shown in Figure 4 is exactly an example.
Below the course of work of this device is made a concrete analysis of.When supposing to use, first via electric power incoming line interface 1 meets civil power I, and the second road electric power incoming line interface 2 meets civil power II, then:
1, has as civil power I, when civil power II also has electricity, because A road direct current power supply loop is preferentially connected first via electric power incoming line interface 1 by QF1, B road direct current power supply loop is by preferential the second road electric power incoming line interface 2 of connecting of QF4, then A road direct current power supply loop is by civil power I power supply, and B road direct current power supply loop is powered by civil power II;
2, kept electricity and civil power II when having a power failure as civil power I, under the control of B road controller 21, automatic transfer switch group QF3-QF4 action is connected by original QF4 and to be become QF3 and connect, and B road direct current power supply loop is by original civil power II power supply becoming civil power I power supply.In the moment of switching, though B road direct current power supply loop has of short duration power failure, owing to A road direct current power supply loop still operate as normal, so do not have a power failure on the output 3 of whole device;
3, when civil power II restores electricity, automatically switch to QF4 by QF3 this moment under the control of B road controller 21, and having a power failure at QF3 switches to the moment of QF4, and system still keeps power supply by QF1 by civil power I, realizes not having a power failure power supply;
4, when civil power II power supply, when civil power I had a power failure, under the control of A road controller 11, QF1 automatically switched to QF2, and in this power failure handoff procedure, system keeps power supply by QF4 by civil power II, and this device realizes not having a power failure power supply;
5, when civil power I sends a telegram here again, this moment, QF2 automatically switched to QF1, at this moment, still kept the power supply to system by QF4 by civil power II, and this device realizes not having a power failure power supply.
Obviously, the situation when civil power I or 2 has faults such as under-voltage, overvoltage, the phase failure is identical with the situation of outage, and this device still can be realized the power supply that do not have a power failure.
Among the above embodiment, first via electric power incoming line interface 1, the second road electric power incoming line interface 2 respectively have two binding posts, and promptly it is suitable for the civil power input (see figure 1) of two-wire system.But obviously, if civil powers such as phase three-wire three, three-phase four-wire system input, only need set up binding post, and change the circuit before the rectification module 16,26 into three or four lines, automatic transfer switch QF1, QF2, QF3, QF4 by two lines and change three-pole switch into and get final product at two-way electric power incoming line interface 1,2 places.Fig. 5 shows the situation of three-wire system, and the technical staff can analogize in view of the above.
Claims (2)
1. automatic switchover uninterrupted power supply(ups), comprise first via electric power incoming line interface (1), the second road electric power incoming line interface (2), output interface (3), and automatic switchover controller, automatic transfer switch group, interlock, rectification module, it is characterized in that:
Described automatic switchover controller, the automatic transfer switch group, interlock and rectification module respectively have two covers, form the two independent direct current power supply loop respectively: A road direct current power supply loop is preferentially connected first via electric power incoming line interface (1), it comprises A road controller (11), automatic transfer switch group QF1-QF2, A road rectification module (16), wherein the input contact (12) of automatic transfer switch QF1 links to each other with first via electric source line interface (1), the input contact (22) of automatic transfer switch QF2 links to each other with the second road electric source line interface (2), the output contact (13) of the two, (23) interconnect and be connected to A road rectification module (16); Two the switch QF1 of automatic transfer switch group QF1-QF2 and QF2 are mechanical interlocked by interlock G1;
Preferential the second road electric power incoming line interface (2) of connecting of B road direct current power supply loop, it comprises B road controller (21), automatic transfer switch group QF3-QF4, B road rectification module (26), wherein the input contact (14) of automatic transfer switch QF3 links to each other with first via electric source line interface (1), the input contact (24) of automatic transfer switch QF4 links to each other with the second road electric source line interface (2), and the output contact (15) of the two, (25) interconnect and be connected to B road rectification module (26); Two the switch QF3 of automatic transfer switch group QF3-QF4 and QF4 are mechanical interlocked by interlock G2;
Two-way controller (11), (21) all have two different inputs respectively to link to each other with the second road electric power incoming line interface (2) with first via electric power incoming line interface (1) by sampling resistor, thus two sampled signal V of sampling resistor output
IAnd V
IIBe connected on respectively on two different inputs of controller (11), (21);
The output of two-way rectification module (16), (26) interconnects and as the output interface (3) of whole supply unit.
2, supply unit as claimed in claim 1, it is characterized in that: described automatic switchover controller (11), (21) comprise overvoltage commutation circuit, under-voltage commutation circuit, triode T1, T2 and relay K 1, K2, in the direct current power supply loop of A road, relay K 1, K2 link to each other with automatic transfer switch QF1, QF2 respectively, in the direct current power supply loop of B road, relay K 1, K2 link to each other with automatic transfer switch QF4, QF3; Wherein overvoltage commutation circuit, under-voltage commutation circuit mainly are made up of integrated transporting discharging N3, N4, N5, N6, and the input of described integrated transporting discharging N3, N4, N5, N6 meets reference voltage Vr and sampled voltage V respectively
I, V
II
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207284 CN2377761Y (en) | 1999-04-09 | 1999-04-09 | Automatic switching uninterrupted power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207284 CN2377761Y (en) | 1999-04-09 | 1999-04-09 | Automatic switching uninterrupted power supply unit |
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| Publication Number | Publication Date |
|---|---|
| CN2377761Y true CN2377761Y (en) | 2000-05-10 |
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ID=34001325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99207284 Expired - Fee Related CN2377761Y (en) | 1999-04-09 | 1999-04-09 | Automatic switching uninterrupted power supply unit |
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| Country | Link |
|---|---|
| CN (1) | CN2377761Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969225A (en) * | 2010-11-01 | 2011-02-09 | 河南电力试验研究院 | Dual-circuit automatic mutual-switching power system without break points |
| CN101561664B (en) * | 2008-04-14 | 2011-07-20 | 中国洛阳浮法玻璃集团有限责任公司 | Method for controlling combined type double-control and double-purpose single-backup system and controller thereof |
-
1999
- 1999-04-09 CN CN 99207284 patent/CN2377761Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561664B (en) * | 2008-04-14 | 2011-07-20 | 中国洛阳浮法玻璃集团有限责任公司 | Method for controlling combined type double-control and double-purpose single-backup system and controller thereof |
| CN101969225A (en) * | 2010-11-01 | 2011-02-09 | 河南电力试验研究院 | Dual-circuit automatic mutual-switching power system without break points |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: HUAWEI ELECTRICAL CO., LTD., SHENZHEN CITY TO: SHENZHEN ANSHENG ELECTRICALCO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518129, Shenzhen District, Longgang snow Industrial Zone HUAWEI base electrical equipment workshop on the first floor, third floor, Jimmy Wang transit Patentee after: Shenzhen Ansheng Electric Co.,Ltd. Address before: Arts crafts emporium, Nanshan Road, Nanshan District, Guangdong, Shenzhen Province, five Patentee before: HUAWEI ELECTRICAL Co.,Ltd. SHENZ |
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| C56 | Change in the name or address of the patentee |
Owner name: EMERSON NETWORK POWER CO., LTD Free format text: FORMER NAME OR ADDRESS: SHENZHEN ANSHENG ELECTRICAL CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Floor of the first floor, Huadian Power Plant, snow Gang Industrial Zone, Longgang District, Shenzhen Patentee after: EMERSON NETWORK POWER Co.,Ltd. Address before: 518129, Shenzhen, Longgang District, HUAWEI industrial base, Wang Chongzhuan, base station, 3rd floor, third floor Patentee before: Shenzhen Ansheng Electric Co.,Ltd. |
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| C56 | Change in the name or address of the patentee |
Owner name: NO. 1, KEJIGONGYEYUANKEFA ROAD, NANSHAN DISTRICT, Free format text: FORMER NAME OR ADDRESS: 518129 FLOOR 1 AND FLOOR 3, BANXUEGANG INDUSTY DISTRICT ELECTRICAL EQUIPMENT OR APPLIANCE FACTORY HOUSE, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROV. |
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| CP03 | Change of name, title or address |
Patentee address after: 518057 No. 1, FA Lu, Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Patentee address before: 518129, Shenzhen, Guangdong province Longgang District snow Gang Industrial Zone Huadian building on the first floor of the third floor |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |