CN202997690U - UPS device - Google Patents
UPS device Download PDFInfo
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- CN202997690U CN202997690U CN 201220716103 CN201220716103U CN202997690U CN 202997690 U CN202997690 U CN 202997690U CN 201220716103 CN201220716103 CN 201220716103 CN 201220716103 U CN201220716103 U CN 201220716103U CN 202997690 U CN202997690 U CN 202997690U
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- ups
- switch
- inverter
- batteries
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Abstract
The utility model provides a UPS device, comprising at least two UPS units, wherein each UPS unit comprises a UPS inverter, a UPS storage battery, a switching subunit provided with an input node connected with the UPS storage battery of the UPS unit and output nodes correspondingly connected with the input ends of the UPS inverter of the UPS unit one-to-one, and a control subunits used for automatically switching on the input node and electrically connecting the input node with one of the output nodes according to a fault state. The UPS device can enable the storage batteries of the two UPS devices to automatically and simultaneously supply electric power for loads when the civil power grid and the UPS device simultaneously break down, the total working time of the UPS system is not shortened, and the UPS devices are connected in parallel without generating an instant heavy current and arc, thereby avoiding potential safety trouble in parallel connection.
Description
Technical field
The utility model relates to communication for electrical domain, relates in particular to a kind of UPS device, particularly a kind of batteries UPS device that can automatically switch.
Background technology
The power supply of communication network device requires to have higher safety and reliability usually.Communications equipment room generally adopts the ups power system of the operating structure with double parallel power-sharing.In this electric power-feeding structure, when externally fed interrupts and UPS inverter when breaking down, another normal UPS inverter is taken over.At this moment, only have the batteries discharge of hanging under normal UPS inverter, and the batteries of fault UPS inverter can not be utilized.Cause like this storage battery time shorten half, be difficult to satisfy the repairing requirement.
In order to address the above problem, generally adopt at present conventional UPS storage battery manual switchover cabinet, structure is as shown in Figure 1.When externally fed interrupts and UPS1 inverter when breaking down, load is taken over by the UPS2 inverter, and the UPS2 batteries powers to the load separately.After the attendant reaches the spot, disconnect the switch Q1 between UPS 1 inverter and UPS1 batteries, make fault UPS inverter detachment system.Then, manual closing switch Q5 makes UPS1 batteries access UPS2 inverter.The UPS1 batteries is in parallel with the UPS2 batteries is load supplying through the UPS2 inverter.But the attendant is with before UPS1 batteries access UPS2 inverter, and the UPS2 batteries is in discharge condition, and will have voltage difference between the UPS1 batteries.When the UPS2 batteries discharge condition time was long, the voltage difference between itself and UPS1 batteries was higher.After UPS1 batteries access UPS2 inverter, two the poor batteries parallel operations that have high voltage will cause the generation of transient high-current and electric arc, have the hidden danger that affects operating personnel and device security.
Existing UPS batteries switching device shifter, all need the attendant rush towards on-the-spot after manual operation open failure UPS inverter, closed manually interconnection switch then is load supplying with the batteries parallel connection of two UPS.After norms of mainteaance requires the UPS fault of converter, the attendant must rush towards the scene in 30 minutes.Often carrying under normal circumstances total duration as ups system is 2 hours, incorporates the UPS1 batteries by the discharge of UPS2 batteries into after 30 minutes after the UPS1 fault of converter again, and the actual total duration of system is 1.5 hours, and the actual duration of batteries has reduced 25%.Thereby the manual switchover mode makes the batteries width reduction of growing up actual time.Although (application number: transient high-current when eliminating by 2 transition resistances the storage battery parallel operation that two pool-sizes differ, voltage does not wait in scheme 200820167882.0) and the electric arc that produces ensure the safety of operating personnel and equipment to existing utility model patent " UPS backup battery shifting cabinet ".But, during parallel operation, two UPS batteries are still that capacity difference, voltage difference are higher, and it is more complicated that this scheme operation is switched cabinet than conventional manual, also there is simultaneously the operation of plug fuse in charged situation, need in emergency circumstances clear, the skilled operation of logical thinking of attendant, therefore still have many potential safety hazards when parallel operation.
The shortcoming that present UPS batteries is switched cabinet is during due to a UPS inversion fault, the UPS inverter that the batteries of two UPS can not access normal operation immediately simultaneously is load supplying, cause the batteries width reduction of growing up actual time, still have potential safety hazard when parallel operation.
The utility model content
The utility model proposes a kind of UPS batteries automatic switching control equipment, still there is the technical problem of potential safety hazard in the batteries width reduction of growing up actual time when carrying out manual switchover to solve a UPS inversion fault that exists in prior art when parallel operation.
The utility model embodiment provides a kind of UPS device, and this device comprises at least two group UPS unit, and every group of UPS unit comprises:
One UPS inverter;
One UPS batteries;
One switches subelement, has the input node that is connected with the UPS batteries of described UPS unit, and the output node that connects one to one with the input of the UPS inverter of described UPS unit;
One controls subelement, is used for the described input node of conducting automatic according to malfunction and described output node one be electrically connected to.
Further, described switching subelement is a single pole multiple throw.
Particularly, this UPS device comprises: a UPS unit and the 2nd UPS unit, wherein said switching subelement is the single-pole double throw electromagnetic switch.
Further, described control subelement comprises:
Conducting when municipal power failure occurring, otherwise the first switch that disconnects;
Conducting when fault of converter occurring, otherwise the second switch that disconnects;
Be connected with power supply with second switch by described the first switch, and produce magnetic force under energization action, change the connection of described single-pole double-throw switch (SPDT), the coil that the UPS batteries output that makes described UPS unit is connected with the input of the UPS inverter of another UPS unit.
Further, every group of UPS unit also comprises:
The 3rd switch is connected between the input node and UPS batteries that switches subelement.
Particularly, a described UPS unit comprises a UPS inverter, a UPS batteries, first switches subelement and first controls subelement, and described the 2nd UPS unit comprises the 2nd UPS inverter, the 2nd UPS batteries, second switches subelement and second controls subelement
Wherein, described the first control subelement specifically comprises:
The first coil, the first externally fed breakdown switch that is connected with the first coil and the first fault of converter switch, the first coil by the first externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described first connection of switching subelement;
Described second controls subelement specifically comprises:
The second coil, the second externally fed breakdown switch that is connected with the second coil and the second fault of converter switch, the second coil by the second externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described second connection of switching subelement.
Particularly, described the first externally fed breakdown switch and the second externally fed breakdown switch are externally powered and are disconnected when normal, conducting when externally power supply is broken down;
Described the first fault of converter switch is in disconnection, conducting when a UPS inverter breaks down when normal at a UPS inverter;
Described the second fault of converter switch is in disconnection, conducting when the 2nd UPS inverter breaks down when normal at the 2nd UPS inverter.
Particularly, when externally normal the or externally fed of power supply broke down, described first switches subelement connected a described UPS batteries and a UPS inverter, and described second switches subelement connects described the 2nd UPS batteries and the 2nd UPS inverter;
Externally power supply is broken down and during a UPS fault of converter, described first switches subelement connects a described UPS batteries and described the 2nd UPS inverter;
Externally power supply is broken down and during the 2nd UPS fault of converter, described second switches subelement connects described the 2nd UPS batteries and a described UPS inverter.
The utility model makes when municipal power failure and a UPS fault of converter occur simultaneously by switching subelement, in the batteries of two UPS UPS inverter that access normally moves automatically, thereby the batteries that has realized two UPS is load supplying automatically simultaneously.Due to the Maintenance free personnel operation, double power supply converting switch is auto-action immediately, the batteries of two UPS is auto parallel Connection immediately, so the standby duration of the ups system General Logistics Department is without reduction, and the access in parallel generation that do not have transient high-current and electric arc when namely in parallel without potential safety hazard.
Description of drawings
Utility model design of the present utility model will describe in detail in conjunction with the drawings and introduce below, and wherein accompanying drawing comprises:
Fig. 1 represents the structure chart of UPS batteries manual switchover cabinet in prior art;
Fig. 2 represents the structure chart of the UPS device that the utility model provides;
Fig. 3 represents the electric drawings of the UPS device that the utility model provides.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, the preferred embodiment that this part is described only is used for description and interpretation the utility model, and is not used in restriction the utility model.
The utility model embodiment provides a kind of UPS device, and this device comprises at least two group UPS unit, and every group of UPS unit comprises:
One UPS inverter;
One UPS batteries;
One switches subelement, has the input node that is connected with the UPS batteries of described UPS unit, and the output node that connects one to one with the input of the UPS inverter of described UPS unit;
One controls subelement, is used for the described input node of conducting automatic according to malfunction and described output node one be electrically connected to.
Further, described switching subelement is a single pole multiple throw.
Particularly, this UPS device comprises: a UPS unit and the 2nd UPS unit, wherein said switching subelement is the single-pole double throw electromagnetic switch.
Further, described control subelement comprises:
Conducting when municipal power failure occurring, otherwise the first switch that disconnects;
Conducting when fault of converter occurring, otherwise the second switch that disconnects;
Be connected with power supply with second switch by described the first switch, and produce magnetic force under energization action, change the connection of described single-pole double-throw switch (SPDT), the coil that the UPS batteries output that makes described UPS unit is connected with the input of the UPS inverter of another UPS unit.
Further, every group of UPS unit also comprises:
The 3rd switch is connected between the input node and UPS batteries that switches subelement.
Particularly, a described UPS unit comprises a UPS inverter, a UPS batteries, first switches subelement and first controls subelement, and described the 2nd UPS unit comprises the 2nd UPS inverter, the 2nd UPS batteries, second switches subelement and second controls subelement
Wherein, described the first control subelement specifically comprises:
The first coil, the first externally fed breakdown switch that is connected with the first coil and the first fault of converter switch, the first coil by the first externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described first connection of switching subelement;
Described second controls subelement specifically comprises:
The second coil, the second externally fed breakdown switch that is connected with the second coil and the second fault of converter switch, the second coil by the second externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described second connection of switching subelement.
Particularly, described the first externally fed breakdown switch and the second externally fed breakdown switch are externally powered and are disconnected when normal, conducting when externally power supply is broken down;
Described the first fault of converter switch is in disconnection, conducting when a UPS inverter breaks down when normal at a UPS inverter;
Described the second fault of converter switch is in disconnection, conducting when the 2nd UPS inverter breaks down when normal at the 2nd UPS inverter.
Particularly, when externally normal the or externally fed of power supply broke down, described first switches subelement connected a described UPS batteries and a UPS inverter, and described second switches subelement connects described the 2nd UPS batteries and the 2nd UPS inverter;
Externally power supply is broken down and during a UPS fault of converter, described first switches subelement connects a described UPS batteries and described the 2nd UPS inverter;
Externally power supply is broken down and during the 2nd UPS fault of converter, described second switches subelement connects described the 2nd UPS batteries and a described UPS inverter.
The utility model makes when municipal power failure and a UPS fault of converter occur simultaneously by switching subelement, in the batteries of two UPS UPS inverter that access normally moves automatically, thereby the batteries that has realized two UPS is load supplying automatically simultaneously.Due to the Maintenance free personnel operation, double power supply converting switch is auto-action immediately, the batteries of two UPS is auto parallel Connection immediately, so the standby duration of the ups system General Logistics Department is without reduction, and the access in parallel generation that do not have transient high-current and electric arc when namely in parallel without potential safety hazard.
Below in conjunction with accompanying drawing 2-3, UPS device of the present utility model is described in detail, as shown in Figure 2, this UPS device comprises UPS Unit 1 (namely a UPS unit) and UPS2 unit (namely the 2nd UPS unit).UPS Unit 1 comprises that UPS 1 inverter (i.e. a UPS inverter), diverter switch Q1(namely first switch subelement), switch controller C1(namely first controls subelement) and UPS1 batteries (i.e. a UPS batteries).The UPS2 unit comprises that UPS2 inverter (i.e. the 2nd UPS inverter), diverter switch Q2(namely second switch subelement), switch controller C2(namely second controls subelement) and UPS2 batteries (i.e. the 2nd UPS batteries).Diverter switch Q1 and Q2 can be single-pole double-throw switch (SPDT), be specially diverter switch Q1 and have the input node that is connected with the UPS1 batteries, and the output node that connects one to one with the input of UPS1 inverter and UPS2 inverter.Diverter switch Q2 has the input node that is connected with the UPS2 batteries, and the output node that connects one to one with the input of UPS1 inverter and UPS2 inverter.When outside normal power supply, the UPS1 inverter changes by diverter switch Q1 and UPS1 batteries and connects, and the UPS2 inverter is connected with the UPS2 batteries by diverter switch Q2, is respectively UPS1 batteries and UPS2 battery charging.When the externally fed fault occurs when, the maintenance of UPS1 batteries is connected with the UPS1 inverter, the maintenance of UPS2 batteries is connected with the UPS2 inverter, but UPS1 batteries and UPS2 batteries are load supplying by UPS1 inverter and UPS2 inverter respectively.When externally fed fault and UPS1 fault of converter occur when, switch controller C1 controls diverter switch Q1 the UPS1 batteries is connected from being connected with the UPS1 inverter to switch to the UPS2 inverter, and UPS1 batteries and the parallel connection of UPS2 batteries are load supplying by the UPS2 inverter.When externally fed fault and UPS2 fault of converter occur when, switch controller C2 controls diverter switch Q2 the UPS2 batteries is connected from being connected with the UPS2 inverter to switch to the UPS1 inverter, and UPS1 batteries and the parallel connection of UPS2 batteries are load supplying by the UPS1 inverter.In addition, also comprise i.e. the 3rd switch of the cell switch Q3(that is connected between diverter switch Q1 input node and UPS1 batteries) and be connected to diverter switch Q2 input node and UPS2 and hold i.e. the 3rd switch of cell switch Q4(between the group of pond).
As shown in Figure 3, switch controller C1 specifically comprises i.e. the first coil of coil MC1(), the externally fed breakdown switch K1-1(that is connected with coil MC1 is the first externally fed breakdown switch) be the first fault of converter switch with the UPS 1 fault of converter K switch 1-2(that is connected with coil MC1).Coil MC1 is connected with power supply with UPS1 fault of converter contact switch K1-2 by externally fed fault contact switch K1-1, produces magnetic force under energization action, changes the connection of diverter switch Q1.Switch controller C2 comprises i.e. the second coil of coil MC2(), the externally fed breakdown switch K2-1(that is connected with coil MC2 is the second externally fed breakdown switch) be the second fault of converter switch with the UPS2 fault of converter K switch 2-2(that is connected with coil MC2).Coil MC2 is connected with power supply with UPS1 fault of converter contact switch K2-2 by externally fed fault contact switch K2-1, produces magnetic force under energization action, changes the connection of diverter switch Q2.Externally fed breakdown switch K1-1 and K2-1 externally power and disconnect when normal, conducting when externally power supply is broken down.UPS1 fault of converter K switch 1-2 is in disconnection, conducting when the UPS1 inverter breaks down when the UPS1 inverter is normal.UPS2 fault of converter K switch 2-2 is in disconnection, conducting when the UPS2 inverter breaks down when the UPS2 inverter is normal.
Below with reference to Fig. 3, describe under different conditions the working condition of UPS device in detail:
1, normal operation:
Breakdown switch K1-1, K2-1 and K1-2, K2-2 all disconnect, coil MC1 and MC2 dead electricity, and diverter switch Q1 and Q2 are in normal condition, throw respectively on UPS1 inverter and UPS2 inverter, and UPS is respectively its battery charging.
2, municipal power failure:
Breakdown switch K1-1 and K2-1 conducting, breakdown switch K1-2 and K2-2 disconnect, coil MC1 and MC2 dead electricity, diverter switch Q1 and Q2 are in normal condition, throw respectively on UPS1 inverter and UPS2 inverter, UPS1 batteries and UPS2 batteries are load supplying through UPS1 inverter and UPS2 inverter respectively.
3, municipal power failure and UPS1 fault of converter:
Breakdown switch K1-1, K2-1 and K1-2 conducting, breakdown switch K2-2 disconnects.Coil MC1 energising produces magnetic force, makes diverter switch Q1 throw the inverter to UPS2, UPS1 batteries access UPS2 inverter.Coil MC2 dead electricity, diverter switch Q2 is in normal condition, throws on the UPS2 inverter UPS2 batteries access UPS2 inverter.UPS1 batteries and UPS2 batteries are in parallel is load supplying through the UPS2 inverter.
4, municipal power failure and UPS2 fault of converter:
Breakdown switch K1-1, K2-1 and K2-2 conducting, breakdown switch K1-2 disconnects.Coil MC2 energising produces magnetic force, makes diverter switch Q2 throw the inverter to UPS1, UPS2 batteries access UPS1 inverter.Coil MC1 dead electricity, diverter switch Q1 is in normal condition, throws on the UPS1 inverter UPS1 batteries access UPS1 inverter.UPS1 batteries and UPS2 batteries are in parallel is load supplying through UPS 1 inverter.
The utility model makes when municipal power failure and a UPS fault occur simultaneously by changeable switch, and the batteries of two UPS is automatically in the UPS inverter of the normal operation of access, thereby the batteries that has realized two UPS is load supplying automatically simultaneously.Due to the Maintenance free personnel operation, double power supply converting switch is auto-action immediately, the batteries of two UPS is auto parallel Connection immediately, so the standby duration of the ups system General Logistics Department is without reduction, and the access in parallel generation that do not have transient high-current and electric arc when namely in parallel without potential safety hazard.
Although preferred embodiment of the present utility model provides a kind of UPS device with two groups of UPS unit, the utility model is not limited to this.The UPS device that the utility model provides can have three groups of above UPS unit.In every group of UPS unit, switch subelement and have the input node that is connected with the UPS batteries of described UPS unit, and the output node that connects one to one with the input of the UPS inverter of all UPS unit, for example single pole multiple throw; Control in the described input node of subelement conducting automatic according to malfunction and described output node one be electrically connected to.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. a UPS device, is characterized in that, this device comprises at least two group UPS unit, and every group of UPS unit comprises:
One UPS inverter;
One UPS batteries;
One switches subelement, has the input node that is connected with the UPS batteries of described UPS unit, and the output node that connects one to one with the input of the UPS inverter of described UPS unit;
One controls subelement, is used for the described input node of conducting automatic according to malfunction and described output node one be electrically connected to.
2. UPS device according to claim 1, is characterized in that, described switching subelement is a single pole multiple throw.
3. UPS device according to claim 2, is characterized in that, comprising: a UPS unit and the 2nd UPS unit, wherein said switching subelement is the single-pole double throw electromagnetic switch.
4. UPS device according to claim 3, is characterized in that, described control subelement comprises:
Conducting when municipal power failure occurring, otherwise the first switch that disconnects;
Conducting when fault of converter occurring, otherwise the second switch that disconnects;
Be connected with power supply with second switch by described the first switch, and produce magnetic force under energization action, change the connection of described single-pole double-throw switch (SPDT), the coil that the UPS batteries output that makes described UPS unit is connected with the input of the UPS inverter of another UPS unit.
5. the described UPS device of any one according to claim 1-4, is characterized in that, every group of UPS unit also comprises:
The 3rd switch is connected between the input node and UPS batteries that switches subelement.
6. UPS device according to claim 5, it is characterized in that, a described UPS unit comprises a UPS inverter, the one UPS batteries, first switches subelement and first controls subelement, and described the 2nd UPS unit comprises the 2nd UPS inverter, the 2nd UPS batteries, second switches subelement and second controls subelement
Wherein, described the first control subelement specifically comprises:
The first coil, the first externally fed breakdown switch that is connected with the first coil and the first fault of converter switch, the first coil by the first externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described first connection of switching subelement;
Described second controls subelement specifically comprises:
The second coil, the second externally fed breakdown switch that is connected with the second coil and the second fault of converter switch, the second coil by the second externally fed breakdown switch be connected the fault of converter switch and be connected with power supply, produce magnetic force under energization action, change the described second connection of switching subelement.
7. UPS device according to claim 6, is characterized in that,
Described the first externally fed breakdown switch and the second externally fed breakdown switch are externally powered and are disconnected when normal, conducting when externally power supply is broken down;
Described the first fault of converter switch is in disconnection, conducting when a UPS inverter breaks down when normal at a UPS inverter;
Described the second fault of converter switch is in disconnection, conducting when the 2nd UPS inverter breaks down when normal at the 2nd UPS inverter.
8. UPS device according to claim 6, is characterized in that,
When externally normal the or externally fed of power supply broke down, described first switches subelement connected a described UPS batteries and a UPS inverter, and described second switches subelement connects described the 2nd UPS batteries and the 2nd UPS inverter;
Externally power supply is broken down and during a UPS fault of converter, described first switches subelement connects a described UPS batteries and described the 2nd UPS inverter;
Externally power supply is broken down and during the 2nd UPS fault of converter, described second switches subelement connects described the 2nd UPS batteries and a described UPS inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716103 CN202997690U (en) | 2012-12-21 | 2012-12-21 | UPS device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716103 CN202997690U (en) | 2012-12-21 | 2012-12-21 | UPS device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997690U true CN202997690U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716103 Expired - Fee Related CN202997690U (en) | 2012-12-21 | 2012-12-21 | UPS device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887872A (en) * | 2012-12-21 | 2014-06-25 | 中国移动通信集团广东有限公司 | UPS device |
| CN104467155A (en) * | 2013-09-20 | 2015-03-25 | 天津中电华利电器科技集团有限公司 | Double-power-supply control circuit |
-
2012
- 2012-12-21 CN CN 201220716103 patent/CN202997690U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887872A (en) * | 2012-12-21 | 2014-06-25 | 中国移动通信集团广东有限公司 | UPS device |
| CN103887872B (en) * | 2012-12-21 | 2016-12-28 | 中国移动通信集团广东有限公司 | UPS device |
| CN104467155A (en) * | 2013-09-20 | 2015-03-25 | 天津中电华利电器科技集团有限公司 | Double-power-supply control circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20211221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |