CN204216651U - Duplicate supply direct-flow distribution system - Google Patents
Duplicate supply direct-flow distribution system Download PDFInfo
- Publication number
- CN204216651U CN204216651U CN201420533116.7U CN201420533116U CN204216651U CN 204216651 U CN204216651 U CN 204216651U CN 201420533116 U CN201420533116 U CN 201420533116U CN 204216651 U CN204216651 U CN 204216651U
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- direct current
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- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model relates to a kind of duplicate supply direct-flow distribution system.Be characterized in: comprise Switching Power Supply one and Switching Power Supply two, the DC output end of this Switching Power Supply one is connected with the direct-flow input end that direct current distributes screen one by the first diode (D1), and the DC output end of this Switching Power Supply two is connected with the direct-flow input end that direct current distributes screen two by the second diode (D2), distribute screen one and direct current at this direct current to distribute on screen two and be equipped with mother input, and this direct current distributes the mother input that mother input on screen one and direct current distribute on screen two is directly shorted together.The utility model provides one duplicate supply direct-flow distribution system more reliably, not only can provide two-way independently DC power supply input for load equipment, and the generation of the anti-power transmission phenomenon of load can be prevented, and when separate unit storage battery or separate unit power maintenance, by closed bus connection switch, ensure loaded reliable power supply.
Description
Technical field
The utility model relates to a kind of duplicate supply direct-flow distribution system.
Background technology
For important DC suppling equipment, require to possess the independently direct current input of two-way physics, avoid separate unit load equipment power failure to cause other device looses power.But there is the anti-power transmission hidden danger of load-side in general two-way physics independently power-supply system, when two power supplys exist voltage difference, and load equipment do not have two-way input spacer assembly when, the direct current system high from voltage is flowed into the low direct current system of voltage through load equipment by electric current, produces anti-power transmission electric current.If there is individual loads in the direct current system that voltage is low, or be charge in batteries, anti-power transmission electric current will equal individual loads electric current with battery charging current sum, and the load equipment sky that electric current may be caused to flow through opens overcurrent, light then cause sky to open disconnecting consumers power down, heavy what on fire.In addition, under traditional mode, if there is the load equipment of single channel input, if the separate unit battery of electric power discharge and recharge of then load equipment access or interruption maintenance all will cause this load dead electricity.
Utility model content
The purpose of this utility model is to provide a kind of more reliable and more stable duplicate supply direct-flow distribution system, effectively can avoid the problem of the anti-power transmission of load and single cover system maintenance inconvenience.
A kind of duplicate supply direct-flow distribution system, its special feature is: comprise Switching Power Supply one and Switching Power Supply two, the DC output end of this Switching Power Supply one is connected with the direct-flow input end that direct current distributes screen one by the first diode, and the DC output end of this Switching Power Supply two is connected with the direct-flow input end that direct current distributes screen two by the second diode, distribute screen one and direct current at this direct current to distribute on screen two and be equipped with mother input, and this direct current distributes the mother input that mother input on screen one and direct current distribute on screen two is directly shorted together.
Wherein in Switching Power Supply one, be provided with DC master row, this DC master row is connected with the DC output end of this Switching Power Supply one by the first switch, and this DC master row is also connected with batteries one by the 7th switch; Wherein in Switching Power Supply two, be also provided with DC master row, this DC master row is connected with the DC output end of Switching Power Supply two by the 4th switch, and this DC master row is also connected with batteries two by the 8th switch.
Wherein distribute in screen one at direct current and be provided with DC master row, the direct-flow input end that this DC master row distributes screen one by the first diode, second switch with direct current is connected; Wherein distribute in screen two at direct current and be provided with DC master row, this DC master row is connected with the direct-flow input end that direct current distributes screen two by the second diode, the 5th switch.
The DC master row that wherein direct current distributes in screen one is connected with the mother input that direct current distributes screen one by the 3rd switch, and the DC master row that direct current distributes in screen two is connected with the mother input that direct current distributes screen two by the 6th switch.
The utility model provides one duplicate supply direct-flow distribution system more reliably, not only can provide two-way independently DC power supply input for load equipment, and the generation of the anti-power transmission phenomenon of load can be prevented, and when separate unit storage battery or separate unit power maintenance, by closed bus connection switch, ensure loaded reliable power supply.
Accompanying drawing explanation
Accompanying drawing 1 is electrical schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, the direct current that uses in system of the present utility model distributes direct current input that (distribution) screen possesses a road band isolating diode and the mother of a road not with isolating diode inputs, and possesses air switch and binding post separately.Two form a direct-flow distribution system, and two direct current input accesses, from the input of respective DC power supply, are avoided electric current to be flowed to DC power supply by DC distributor by isolating diode, guaranteed that the physical isolation of switch power supply system is overlapped in direct-flow distribution system upper end two.Mother input is for connecting the mother input of an other identical DC distributor, to end into the direct current of two cover systems interconnected for closed sky where necessary, when guaranteeing that each Switching Power Supply in its upper end carries out accumulator cell charging and discharging experiment when outfit one group storage battery, ensure connect the safe operation of load equipment on DC distributor.DC distributor input sky is opened to open with mother sky and is the two poles of the earth input, can cut off positive and negative the two poles of the earth of direct current input simultaneously, ensures the physical isolation of two cover power-supply systems under normal operating condition.
Using method of the present utility model is:
1, the first K switch 1, second switch K2, the 4th K switch 4, the 5th K switch 5 close under normal circumstances, and the 3rd K switch 3, the 6th K switch 6 disconnect; Switching Power Supply one is drawn both positive and negative polarity cable by the first K switch 1 and is connected to the corresponding both positive and negative polarity of DC distributor one second switch K2, by second switch K2 positive flow through the first diode D1 to the corresponding both positive and negative polarity busbar of DC distributor one, realize powering to DC distributor bringing onto load equipment; In like manner Switching Power Supply two is drawn both positive and negative polarity cable by the 4th K switch 4 and is connected to the corresponding both positive and negative polarity of DC distributor 2 the 5th K switch 5, by the 5th K switch 5 positive flow through the second diode D2 to the corresponding both positive and negative polarity busbar of DC distributor two, realize powering to DC distributor two bringing onto load equipment; DC distributor one to DC distributor two mother line sky is opened the 3rd K switch the 3, six K switch 6 and is disconnected, and guarantees the physical isolation of two cover switch power supply systems.
2, in necessary situation, as needs charge-discharge test is carried out to batteries time: charge-discharge test is carried out to batteries one P1, maintained switch first K switch 1, second switch K2, 4th K switch 4, 5th K switch 5 closes, Closing Switch power supply one to Switching Power Supply two mother wiretap the 3rd K switch 3 simultaneously, 6th K switch 6, the direct current completing two cover switch power supply systems is interconnected, disconnecting batteries one P1 to Switching Power Supply one K switch 7 carries out batteries one P1 charge-discharge test, as completed DC distributor one by batteries two P2 when there is AC dump during guaranteeing batteries one P1 discharge and recharge, the backup of DC distributor two load, ensure that the not power-off of former DC distributor one load runs, batteries one P1 discharge and recharge terminates and recovers disconnecting mother wiretap the 3rd K switch 3 after Switching Power Supply one backup immediately, 6th K switch 6, guarantee the physical isolation of two cover switch power supply systems.
3, in like manner, charge-discharge test is carried out to batteries two P2, maintained switch first K switch 1, second switch K2, 4th K switch 4, 5th K switch 5 closes, Closing Switch power supply one to Switching Power Supply two mother line sky opens the 3rd K switch 3 simultaneously, 6th K switch 6, the direct current completing two cover switch power supply systems is interconnected, disconnecting batteries two P2 to Switching Power Supply two K switch 8 carries out batteries two P2 charge-discharge test, as completed DC distributor one by batteries one P1 when there is AC dump during guaranteeing batteries two P2 discharge and recharge, the backup of DC distributor two load, ensure that the not power-off of former DC distributor two load runs, batteries two P2 discharge and recharge terminates and recovers disconnecting mother wiretap the 3rd K switch 3 after Switching Power Supply two backup immediately, 6th K switch 6, guarantee the physical isolation of two cover switch power supply systems.
Claims (4)
1. a duplicate supply direct-flow distribution system, it is characterized in that: comprise Switching Power Supply one and Switching Power Supply two, the DC output end of this Switching Power Supply one is connected with the direct-flow input end that direct current distributes screen one by the first diode (D1), and the DC output end of this Switching Power Supply two is connected with the direct-flow input end that direct current distributes screen two by the second diode (D2), distribute on screen one and direct current distribution screen two at this direct current and be equipped with mother input, and the mother input that the mother input on this direct current distribution screen one and direct current distribute on screen two is directly shorted together.
2. duplicate supply direct-flow distribution system as claimed in claim 1, it is characterized in that: wherein in Switching Power Supply one, be provided with DC master row, this DC master row is connected with the DC output end of this Switching Power Supply one by the first switch (K1), and this DC master row is also connected with batteries one (P1) by the 7th switch; Wherein in Switching Power Supply two, be also provided with DC master row, this DC master row is connected with the DC output end of Switching Power Supply two by the 4th switch (K4), and this DC master row is also connected with batteries two (P2) by the 8th switch.
3. duplicate supply direct-flow distribution system as claimed in claim 1 or 2, it is characterized in that: wherein distribute in screen one at direct current and be provided with DC master row, this DC master row is connected with the direct-flow input end that direct current distributes screen one by the first diode (D1), second switch (K2); Wherein distribute in screen two at direct current and be provided with DC master row, this DC master row is connected with the direct-flow input end that direct current distributes screen two by the second diode (D2), the 5th switch (K5).
4. duplicate supply direct-flow distribution system as claimed in claim 3, it is characterized in that: the DC master row that wherein direct current distributes in screen one is connected with the mother input that direct current distributes screen one by the 3rd switch (K3), and the DC master row that direct current distributes in screen two is connected with the mother input that direct current distributes screen two by the 6th switch (K6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533116.7U CN204216651U (en) | 2014-09-17 | 2014-09-17 | Duplicate supply direct-flow distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533116.7U CN204216651U (en) | 2014-09-17 | 2014-09-17 | Duplicate supply direct-flow distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216651U true CN204216651U (en) | 2015-03-18 |
Family
ID=52985286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533116.7U Expired - Fee Related CN204216651U (en) | 2014-09-17 | 2014-09-17 | Duplicate supply direct-flow distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204216651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531880A (en) * | 2020-12-09 | 2021-03-19 | 亚太森博(广东)纸业有限公司 | Redundancy control device and method |
-
2014
- 2014-09-17 CN CN201420533116.7U patent/CN204216651U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531880A (en) * | 2020-12-09 | 2021-03-19 | 亚太森博(广东)纸业有限公司 | Redundancy control device and method |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20180917 |