CN205960788U - Double - circuit switching of power sharing circuit - Google Patents
Double - circuit switching of power sharing circuit Download PDFInfo
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- CN205960788U CN205960788U CN201621004549.9U CN201621004549U CN205960788U CN 205960788 U CN205960788 U CN 205960788U CN 201621004549 U CN201621004549 U CN 201621004549U CN 205960788 U CN205960788 U CN 205960788U
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Abstract
The utility model provides a double - circuit switching of power sharing circuit, through SB1 selection module automation and manual mode, when automatic mode, if input 1, 2 all has the electricity, input 2 power supply loop is cut off in then KA1 action, and KM1 moves, input 1 power output, input 2 there is not the electricity if input 1 has the electricity, is equally the KA1 action, cuts off input 2 power supply loop, KM1 actuation, input 1 power output, it has the electricity to input 2 if input 1 there is not the electricity, and then KM1 is failure to actuate, and 2 direct outputs are inputed in the KM2 actuation. When the manual mode, can directly export or beat to two branch positions through 1 output of SB2 selection input, input 2. The utility model discloses increase the fire control and cut non - relay on the main line of input 1 and input 2, through cutting non -functional through the fire control of ATS module among the substituted prior art of this kind of simple and easy circuit, in reduce cost, guaranteed the reliability.
Description
Technical field
This utility model is related to power technique fields, and when special, a kind of double loop power supply switches distributor circuit.
Background technology
The responsible consumer place not allowing power failure at some, in order to ensure the normal work of custom system, generally adopts
With dual power supply, power supply and a road stand-by power supply are commonly used in a double loop power supply generally road.Wherein, two-way power supply can be respectively
Two-way civil power, two-way oil machine are powered, a road civil power one road binders, civil power or uninterrupted power source are powered.Only have one under normal circumstances
Road power work, when the faults such as power-off or phase shortage in this road power supply, double power-supply system switches power to another road automatically.
In prior art, double power-supply system automatically switches and generally adopts ATS（Automatic transfer swtiching
Automatic transfer switching electric appliance）To realize, but due to ATS expensive although disclosure satisfy that the demand of automatic switchover, but meeting
Cause product cost to remain high, and using ATS in the switching realizing dual power supply, still have much not enough and cannot be carried out people
For controlling, cause power supply quality not high.
Content of the invention
The purpose of this utility model is to solve the problems of the prior art and provide a kind of double loop power supply switching distributor circuit,
It is applied to miniature data center machine room two-way power supply switching.
This utility model employs the following technical solutions realization：A kind of double loop power supply switches distributor circuit, including be connected
Major loop and control loop it is characterised in that：Described control loop includes fire-fighting and cuts non-relay and for gating power output
Two-way automatic switch-over circuit；Described fire-fighting is cut non-relay and is electrically connected with two-way automatic switch-over circuit.
Further, described two-way switching circuit includes first switch, second switch, interlock relay, first contactor
And second contactor；The first normally-closed contact of non-relay, the first normally closed button of first switch, first switch are cut in described fire-fighting
The first normally opened button, the first normally opened button of second switch, second contactor normally-closed contact, interlock relay coil and first
Contactor coil forms the first input；The first normally-closed contact one termination first input one that non-relay is cut in wherein said fire-fighting is defeated
Go out, the other end connects first normally opened button one end of first normally closed button one end of first switch, first switch respectively；First switch
The first normally opened button another termination second switch first normally opened button one end；The first normally closed button other end of first switch
Connect second contactor normally-closed contact one end, interlock relay coil one end respectively；The second contactor normally-closed contact other end is respectively
Connect the first normally opened button other end, first contactor coil one end of second switch；The interlock relay coil other end, first connect
Another termination another output of the first input of tentaculum coil；Fire-fighting cut the second normally-closed contact of non-relay, the second of first switch
Normally closed button, the second normally opened button of first switch, the second normally opened button of second switch, interlock relay normally-closed contact,
One catalyst normally-closed contact, second contactor coil composition second input；It is second normally closed that non-relay is cut in wherein said fire-fighting
Contact connects an output of the second input, the other end connect respectively second normally closed button one end of first switch, the second of first switch
Normally opened button one end；Second normally opened button one end of second normally opened button another termination second switch of first switch；First opens
Second another termination of the normally closed button interlock relay normally-closed contact one end closed；Another termination first of interlock relay normally-closed contact
Catalyst normally-closed contact one end；The second normally opened button that the first contactor normally-closed contact other end connects second switch respectively is another
End, second contactor coil one end；Another output of second contactor coil another termination the second input；Non- continuing is cut in described fire-fighting
Electric apparatus coil one end start to exchange fire fire detector send fire-fighting signal positive output end, the other end start to exchange fire fire detector send fire-fighting signal bear
Outfan.
Further, described major loop includes the first chopper, the second chopper；Described first contactor includes first and connects
Tentaculum normally opened contact；Described second contactor also includes touch normally opened with the second contactor of first contactor normally opened contact interlocking
Point；The input of the first chopper one termination first input, another termination first contactor normally opened contact one end；Second chopper one
The input of termination second input, another termination second contactor normally opened contact one end；The first contactor normally opened contact other end with
The second contactor normally opened contact other end is connected with load power distribution network after connecting.
Further, also include the first to the 3rd fuse；First fuse be series at the first chopper and fire-fighting cut non-
Between first normally-closed contact one end of relay；Second fuse is series at the second chopper and fire-fighting cuts the second of non-relay
Between normally-closed contact one end；3rd fuse is series at fire-fighting and cuts non-relay coil one end and fire detector transmission fire-fighting letter
Between number positive output end.
Further, described first switch is two driving switch, and described second switch is three driving switch.
Further, non-relay is cut in described fire-fighting is magnetic latching relay.
Preferably, described double loop power supply switching distributor circuit is applied to miniature data center machine room two-way power supply switching.
Preferably, described distributor circuit is applied to miniature data center machine room two-way power supply switching.
Compared with prior art, this utility model has advantages below：
1st, there is automatic and manual mode.In automatic mode, power supply please be automatically selected according to on/off and power, in handss
During dynamic model formula, power supply needed for can directly being selected by second switch.
2nd, replaced in prior art by easy circuit of the present utility model and NOT function is cut by the fire-fighting that ATS module is realized
Can, there is double loop power supply handoff functionality simultaneously, it is ensured that reliability while reduces cost.
3rd, there is auto-lock function, it is to avoid cyclization state occurs in the case of component failure.
Brief description
Fig. 1 inputs the schematic diagram of 1 control loop for this utility model.
Fig. 2 inputs the schematic diagram of 2 control loops for this utility model.
Fig. 3 is the schematic diagram of this utility model fire-fighting signal control loop.
Fig. 4 is major loop schematic diagram of the present utility model.
Specific embodiment
With specific embodiment, explanation is further explained to this utility model below in conjunction with the accompanying drawings.
This utility model provides a kind of double loop power supply to switch distributor circuit, including the major loop being connected and control loop,
Described control loop includes fire-fighting and cuts non-relay and the two-way automatic switch-over circuit for gating power output；Described fire-fighting is cut
Non- relay is electrically connected with two-way automatic switch-over circuit.
The circuit theory diagrams of specific embodiment are referring to Fig. 1-4.
Wherein said two-way switching circuit includes first switch SB1, second switch SB2, interlock relay KA1, first connects
Tentaculum KM1 and second contactor KM2；Described fire-fighting cut first normally-closed contact of non-relay KA2, first switch first normally closed
Button, the first normally opened button of first switch, the first normally opened button of second switch, second contactor normally-closed contact, interlocking continue
Electric apparatus coil and first contactor coil form the first input；First normally-closed contact one end of non-relay is cut in wherein said fire-fighting
Connect the first input one output, the other end connects first normally closed button one end of first switch respectively, the first of first switch normally opened presses
Button one end；First normally opened button one end of first normally opened button another termination second switch of first switch；The of first switch
The one normally closed button other end connects second contactor normally-closed contact one end, interlock relay coil one end respectively；Second contactor is normal
The closed contact other end connects the first normally opened button other end of second switch, first contactor coil one end respectively；Interlock relay
Another termination another output of the first input of the coil other end, first contactor coil；Fire-fighting cut non-relay second normally closed touch
Point, the second normally closed button of first switch, the second normally opened button of first switch, the second normally opened button of second switch, interlocking
Relay normally-closed contact, first contactor normally-closed contact, second contactor coil composition second input；Wherein said fire-fighting is cut non-
Second normally-closed contact of relay connects an output of the second input, and the other end connects the second normally closed button one of first switch respectively
End, second normally opened button one end of first switch；The second of second normally opened button another termination second switch of first switch is normal
Open button one end；Second another termination of normally closed button interlock relay normally-closed contact one end of first switch；Interlock relay is normal
Another termination of closed contact first contactor normally-closed contact one end；The first contactor normally-closed contact other end connects second switch respectively
The second normally opened button other end, second contactor coil one end；It is another defeated that another termination of second contactor coil second inputs
Go out；Described fire-fighting cut non-relay coil one end start to exchange fire fire detector send fire-fighting signal positive output end, the other end start to exchange fire calamity visit
Survey device and send fire-fighting signal negative output terminal.
Further, described major loop includes the first chopper 1QF, the second chopper 2QF；Described first contactor includes
First contactor normally opened contact；Described second contactor also includes normal with the second contactor of first contactor normally opened contact interlocking
Open contact；The input of the first chopper one termination first input, another termination first contactor normally opened contact one end；Second open circuit
The input of device one termination second input, another termination second contactor normally opened contact one end；First contactor normally opened contact is another
End is connected with load power distribution network after being connected with the second contactor normally opened contact other end.
Further, also include the first to the 3rd fuse；First fuse FU1 is series at the first chopper and is cut with fire-fighting
Between first normally-closed contact one end of non-relay；Second fuse FU2 is series at the second chopper and cuts non-relay with fire-fighting
Second normally-closed contact one end between；3rd fuse FU3 is series at fire-fighting and cuts non-relay coil one end and fire detector
Send between fire-fighting signal positive output end.
Further, described first switch is two driving switch, and automatic, manual mode selects；Described second switch is three
Driving switch, is used for manually selecting output switch.
For further, it is magnetic latching relay that non-relay is cut in described fire-fighting.
It passes through SB1 and SB2 selecting module automatically and manual mode, in automatic mode, if the first input, second defeated
Enter and all have energising, then interlock relay KA1 action, the normally-closed contact of interlock relay KA1 disconnects thus cutting off the second input
Current supply circuit, the action of first contactor KM1, first contactor KM1 coil obtains electric adhesive, and the first input forms current supply circuit and enters
Row power supply；If the first input energising, the second input there is not energising, is equally interlock relay KA1 action, interlock relay KA1's
Normally-closed contact disconnects thus cutting off the current supply circuit of the second input；First contactor KM1 coil obtains electric adhesive, and the first input is formed
Current supply circuit is powered；If the first input not being energized and the second input energising, first contactor KM1 is failure to actuate, and second
Catalyst KM2 coil electricity adhesive, the second input is powered.In manual mode, can directly be selected by second switch SB2
Select the first input and output, the second input and output or make to double score positions, for example press the normally opened button of second switch SB2 first then by
First input power supply, if pressing the normally opened button of second switch SB2 second, by the second input power supply.
Fire-fighting cut non-functional produce the fire fighting problem such as fire when machine room, output 24V direct current signal in Fire Hose can be connected to
Non- terminal is cut in module fire-fighting, to disconnect cut-out module output.If fire-fighting signal is 24V pulse signal, KA2 can be selected for magnetic and keeps continuing
Electrical equipment.This utility model increased fire-fighting on the main line of input 1 and input 2 and cuts non-relay, by this easy circuit
Replace cut by the fire-fighting of ATS module in prior art non-functional, it is ensured that reliability while reduces cost.Fire-fighting is cut
Non-functional refer to：When there is fire, fire detector sends fire-fighting signal to control loop such as 24V direct current signal, controls back
Road cuts off non fire fighting power supply according to fire-fighting signal（As inputted 1 and input 2）.
Preferably, distributor circuit of the present utility model is applied to miniature data center machine room two-way power supply switching.
Above-described embodiment limits this utility model never in any form, all according to changing that technical solutions of the utility model are made
Become, produced function without departing from technical solutions of the utility model scope when, belong to protection model of the present utility model
Enclose.
Claims (7)
1. a kind of double loop power supply switches distributor circuit, including the major loop being connected and control loop it is characterised in that：Described control
Loop processed includes fire-fighting and cuts non-relay and the two-way automatic switch-over circuit for gating power output；Non- relay is cut in described fire-fighting
Device is electrically connected with two-way automatic switch-over circuit.
2. double loop power supply according to claim 1 switching distributor circuit it is characterised in that：Described two-way switching circuit includes
First switch, second switch, interlock relay, first contactor and second contactor；
Described fire-fighting cut the first normally-closed contact of non-relay, the first normally closed button of first switch, first switch first normal
Open button, the first normally opened button of second switch, second contactor normally-closed contact, interlock relay coil and first contactor line
Circle forms the first input；The first normally-closed contact one termination the first input one output of non-relay is cut in wherein said fire-fighting, another
End connects first normally closed button one end, first normally opened button one end of first switch of first switch respectively；The first of first switch
First normally opened button one end of normally opened button another termination second switch；The first normally closed button other end of first switch connects respectively
Second contactor normally-closed contact one end, interlock relay coil one end；The second contactor normally-closed contact other end connects second respectively
The first normally opened button other end of switch, first contactor coil one end；The interlock relay coil other end, first contactor line
Circle another termination another output of the first input；Fire-fighting cut the second normally-closed contact of non-relay, first switch second normally closed by
Button, the second normally opened button of first switch, the second normally opened button of second switch, interlock relay normally-closed contact, the first contact
Device normally-closed contact, second contactor coil composition second input；The second normally-closed contact that non-relay is cut in wherein said fire-fighting connects
One output of the second input, the other end connects second normally closed button one end of first switch respectively, the second of first switch normally opened presses
Button one end；Second normally opened button one end of second normally opened button another termination second switch of first switch；The of first switch
Two another termination of normally closed button interlock relay normally-closed contact one end；Interlock relay normally-closed contact another termination first contactor
Normally-closed contact one end；The first contactor normally-closed contact other end connect respectively the second normally opened button other end of second switch, second
Contactor coil one end；Another output of second contactor coil another termination the second input；
Described fire-fighting cut non-relay coil one end start to exchange fire fire detector send fire-fighting signal positive output end, the other end start to exchange fire calamity visit
Survey device and send fire-fighting signal negative output terminal.
3. double loop power supply according to claim 2 switching distributor circuit it is characterised in that：Described major loop includes first and breaks
Road device, the second chopper；Described first contactor includes first contactor normally opened contact；Described second contactor also includes and the
The second contactor normally opened contact of one catalyst normally opened contact interlocking；The input of the first chopper one termination first input, another
Termination first contactor normally opened contact one end；The input of the second chopper one termination second input, another termination second contactor
Normally opened contact one end；The first contactor normally opened contact other end is joined with load after being connected with the second contactor normally opened contact other end
Electrical network connects.
4. double loop power supply according to claim 3 switching distributor circuit it is characterised in that：Also include the first to the 3rd fusing
Device；First fuse is series at the first chopper and fire-fighting is cut between first normally-closed contact one end of non-relay；Second fusing
Device is series at the second chopper and fire-fighting is cut between second normally-closed contact one end of non-relay；3rd fuse is series at fire-fighting
Cut non-relay coil one end and fire detector sends between fire-fighting signal positive output end.
5. double loop power supply according to claim 2 switching distributor circuit it is characterised in that：Described first switch is two gears
Switch, described second switch is three driving switch.
6. double loop power supply according to claim 1 switching distributor circuit it is characterised in that：Non- relay is cut in described fire-fighting
Magnetic latching relay.
7. according to the arbitrary described double loop power supply switching distributor circuit of claim 1-6 it is characterised in that：Described double loop power supply is cut
Change distributor circuit and be applied to miniature data center machine room two-way power supply switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621004549.9U CN205960788U (en) | 2016-08-31 | 2016-08-31 | Double - circuit switching of power sharing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621004549.9U CN205960788U (en) | 2016-08-31 | 2016-08-31 | Double - circuit switching of power sharing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960788U true CN205960788U (en) | 2017-02-15 |
Family
ID=57978940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621004549.9U Active CN205960788U (en) | 2016-08-31 | 2016-08-31 | Double - circuit switching of power sharing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049254A (en) * | 2019-11-26 | 2020-04-21 | 北京航天时代激光导航技术有限责任公司 | Double-circuit power supply automatic switching circuit controlled by priority power supply |
| CN112994222A (en) * | 2021-05-18 | 2021-06-18 | 泰豪科技股份有限公司 | ATS switch control circuit and control method |
| CN114400756A (en) * | 2021-11-02 | 2022-04-26 | 常州市科惠电力设备有限公司 | Double-circuit power supply intelligence transfer box based on low pressure inserts fast |
-
2016
- 2016-08-31 CN CN201621004549.9U patent/CN205960788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049254A (en) * | 2019-11-26 | 2020-04-21 | 北京航天时代激光导航技术有限责任公司 | Double-circuit power supply automatic switching circuit controlled by priority power supply |
| CN112994222A (en) * | 2021-05-18 | 2021-06-18 | 泰豪科技股份有限公司 | ATS switch control circuit and control method |
| CN114400756A (en) * | 2021-11-02 | 2022-04-26 | 常州市科惠电力设备有限公司 | Double-circuit power supply intelligence transfer box based on low pressure inserts fast |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |