CN201360176Y - Circuit capable of realizing automatic switching between main power source and standby power source - Google Patents
Circuit capable of realizing automatic switching between main power source and standby power source Download PDFInfo
- Publication number
- CN201360176Y CN201360176Y CNU200920095601XU CN200920095601U CN201360176Y CN 201360176 Y CN201360176 Y CN 201360176Y CN U200920095601X U CNU200920095601X U CN U200920095601XU CN 200920095601 U CN200920095601 U CN 200920095601U CN 201360176 Y CN201360176 Y CN 201360176Y
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- circuit
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- power supply
- power source
- contactor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model provides a circuit capable of realizing automatic switching between a main power source and a standby power source, which comprises a main power source supply circuit, a standby power source supply circuit, a main power source supply control circuit and a standby power source supply control circuit. The main power source power supply control circuit is formed in the way that a coil II contact of a contactor1KM is connected in series with a normally closed II contact of a contactor 2KM of the main power source; the control circuit of the standby power source is formed in the way that a coil II contact of the contactor 2KM, the normally closed II contact of the contactor 1KM of the main power source, and the normally open II contact of a timing relay KR are connected in series to form a series circuit; and the II coil of the timing relay is connected with the series circuit in parallel. The utility model has the effects that by adopting the circuit capable of automatically switching between the main power source and the standby power source, the utility model not only realizes '1+1' automatic switching of the main power source and the standby power supply source but also effectively avoids the problem of impact current generated when the main power source power supply circuit and the standby power source power supply circuit work to supply power at the same time. What necessary to be pointed out is that when using the circuit, the user needs to select a proper timing relay KR to achieve ideal result.
Description
Technical field
This utility model and a kind of change-over circuit relate in particular to and a kind ofly can realize that active and standby electricity consumption is derived from the circuit of moving conversion.
Background technology
At present, " 1+1 " primary power cource, stand-by power supply two-way power supply supply power mode simultaneously, the active and standby each other usefulness of two-way power supply are all adopted in each loop in the railway signals equipment centrally connected power supply system.Wherein one the tunnel as the primary power cource powering load, and another road energized is as standby.When primary power cource breaks down when outage, cut off primary power cource, connect another road stand-by power supply and continue powering load, for the reliability service of relevant device provides the power supply guarantee.But because power failure has unpredictability, rely on manual operation to tend to cause the outage of short time, be difficult to guarantee the continuity of powering, so that bring unnecessary loss.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the purpose of this utility model provides and a kind ofly realizes that active and standby electricity consumption is derived from the circuit of moving conversion, and this change-over circuit is realized active and standby automatic conversion with power supply.
For achieving the above object, the technical solution adopted in the utility model provides and a kind ofly can realize that active and standby electricity consumption is derived from the circuit of moving conversion, and this circuit comprises the primary power cource power supply circuits, stand-by power supply power supply circuits and primary power cource, stand-by power supply power-supplying circuit.Wherein: described primary power cource power-supplying circuit is composed in series by the coil two point of contactor 1KM, the normally closed two point of contactor 2KM of stand-by power supply; The control circuit of described stand-by power supply is composed in series series circuit by the coil two point of contactor 2KM, the normally closed two point of contactor 1KM of primary power cource, the two point of often opening of time-delay relay KR, time-delay relay two coil and above-mentioned series circuit parallel connection.
Effect of the present utility model is by adopting active and standby electricity consumption to be derived from the circuit of moving conversion, not only realize " 1+1 " active and standby automatic conversion with power supply, but also avoided primary power cource, the stand-by power supply two-way power supply problem of power supply station's impulse current that can produce simultaneously effectively.When it is pointed out that application the design is in circuit, desire to do the trick, need select suitable time-delay relay KR for use.
Description of drawings
Fig. 1 is an automatic switching circuit schematic diagram of the present utility model.
Fig. 2 is for adopting the example schematic of automatic switching circuit of the present utility model.
Among the figure:
A, primary power cource B, stand-by power supply C, load power source
Embodiment
Reach example in conjunction with the accompanying drawings and can realize that to of the present utility model active and standby electricity consumption is derived from the moving circuit of changing and is illustrated.
The circuit structure that can realize that active and standby electricity consumption is derived from moving conversion of the present utility model is that this circuit comprises the primary power cource power supply circuits, stand-by power supply power supply circuits and primary power cource A, stand-by power supply power-supplying circuit, described primary power cource power-supplying circuit comprise coil contact A1, contact A2, the contactor 2KM normally closed contact 21 of stand-by power supply, the contact 22 of contactor 1KM; The control circuit of described stand-by power supply comprises normal opened contact 9, contact 11 and and time-delay relay coil 2, the coil 10 of above-mentioned contact parallel connection of contactor 1KM normally closed contact 21, contact 22, the time-delay relay KR of coil contact A1, contact A2, the primary power cource of contactor 2KM.
Described primary power cource power-supplying circuit is composed in series series circuit by coil contact A1, contact A2, the contactor 2KM normally closed contact 21 of stand-by power supply, the contact 22 of contactor 1KM.Described stand-by power supply power-supplying circuit is composed in series time-delay relay coil 2, coil 10 and above-mentioned series circuit parallel connection by coil contact A1, contact A2, the contactor 1KM normally closed contact 21 of primary power cource, contact 22, the normal opened contact 9 of time-delay relay KR, the contact 11 of contactor 2KM.
The circuit that active and standby electricity consumption of the present utility model is derived from moving conversion is design like this:
As shown in Figure 1, the primary power cource control circuit is done following description: during primary power cource A power supply, primary power cource inserts by input terminal L1, N1, electric current is in full state through the contactor 2KM in the contact A1 of contactor 1KM and contact A2, this moment stand-by power supply control circuit, so normally closed contact 21 and contact 22 are in closure state, circuit turn-on, contactor 1KM excitation in the primary power cource circuit picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, and are powered by primary power cource;
As shown in Figure 1, the stand-by power supply control circuit is done following description: during the stand-by power supply power supply, stand-by power supply B inserts by input terminal L2, N2, electric current passes through the contact A1 of contactor 2KM and coil contact 2 and the contact 10 of contact A2 and time-delay relay KR simultaneously, time-delay relay picks up, and contact 9 and contact 11 are connected; Contactor 1KM in the primary power cource control circuit is in full state at this moment, so normally closed contact 21 and contact 22 are in closure state, contactor coil circuit turn-on in the stand-by power supply circuit, contactor 2KM excitation in the stand-by power supply circuit picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, and are powered by stand-by power supply;
As shown in Figure 1, following description is done in automatic conversion to the two-way power supply: under the state of primary power cource circuit supply, if the power supply dead electricity that insert by L1, N1 terminal this moment, so control circuit dead electricity, contactor 1KM coil losing electricity loss of excitation falls, contactor contact L1 and contact T1, contact L2 and contact T2 disconnect, and the primary power cource circuit is cut off.The normally closed contact 21 of contactor 1KM in the stand-by power supply circuit control circuit and contact 22 closures, connect the coil magnetization circuit of stand-by power supply circuit control circuit contactor 2KM, contactor picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, the stand-by power supply circuit is connected, by the stand-by power supply circuit supply.The input power supply is converted to the stand-by power supply power supply by the primary power cource power supply.
Under the state of stand-by power supply circuit supply, if the power supply dead electricity that insert by L2, N2 terminal this moment, so the control circuit dead electricity, contactor 2KM coil losing electricity loss of excitation falls, contactor contact L1 and contact T1, contact L2 and contact T2 disconnect, and the stand-by power supply circuit of power supply panel is cut off.The time-delay relay coil blackout, contact 9 and contact 11 disconnect; The normally closed contact 21 of contactor 2KM in the primary power cource circuit control circuit and contact 22 closures, connect the coil magnetization circuit of primary power cource circuit control circuit contactor 1KM, contactor picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, the primary power cource circuit is connected, by the primary power cource circuit supply.The input power supply is converted to the primary power cource power supply by the stand-by power supply power supply.
As shown in Figure 1, the description when primary power cource, stand-by power supply are powered simultaneously: when primary power cource A, stand-by power supply B send a telegram here when power supply simultaneously from off-position, the contactor 1KM coil circuit in the primary power cource power supply circuits gets; Time-delay relay coil in the stand-by power supply power supply circuits, contactor 2KM coil get; Before time-delay relay does not pick up, the contact 9 and the contact 11 of time-delay relay are in off-state, so stand-by power supply power supply contactor 2KM coil circuit is in off state, contactor 2KM can not pick up, so the normally closed contact 21 and 22 that is connected in the primary power cource circuit control circuit contactor coil circuit is in closure state, the control circuit of primary power cource circuit is connected, and contactor 1KM picks up, and is powered by primary power cource; Time-delay relay in the stand-by power supply circuit control circuit gets electric picking up, contact 9 and contact 11 closures.At this moment, because the contactor 1KM of primary power cource circuit picks up, so its normally closed contact 21 and 22 that is connected in the stand-by power supply circuit control circuit disconnects, the coil magnetization circuit of the contactor 2KM of stand-by power supply circuit is cut off, so stand-by power supply can not be powered.Stand-by power supply circuit control circuit moved than the primary power cource circuit control circuit step of Duoing, so picking up of contactor delayed time.When the two-way power supply simultaneously when electric, primary power cource can be at first electric work, avoided the two-way power supply simultaneously the impulse current that causes of electric work.
Fig. 2 is for using an example of this circuit.
As shown in Figure 2, primary power cource A is through modules A T1 power supply, and stand-by power supply B powers through modules A T2.In operate as normal, primary power cource A is by input terminal L1, the input terminal XP1-7 of N1 access module AT1, XP1-9, lead-out terminal XP1-1 through modules A T1, XP1-3 output, electric current is through contact A1 and the contact A2 of contactor 1KM, contactor 2KM in the stand-by power supply control circuit is in full state at this moment, so normally closed contact 21 and contact 22 are in closure state, circuit turn-on, contactor 1KM excitation in the primary power cource circuit picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, the load power source C power supply that primary power cource A gives the back by modules A T1, modules A T2 is in stand-by state.
As shown in Figure 2, stand-by power supply B is by input terminal XP2-7, the XP2-9 of input terminal L1, N1 access module AT2, through lead-out terminal XP2-1, the XP2-3 output of modules A T2.After modules A T1 breaks down outage, the control circuit dead electricity of primary power cource A, contactor 1KM coil losing electricity loss of excitation falls, and contactor contact L1 and contact T1, contact L2 and contact T2 disconnect, and the primary power cource circuit is cut off.The normally closed contact 21 of contactor 1KM in the stand-by power supply B circuit control circuit and contact 22 closures, connect the coil magnetization circuit of stand-by power supply circuit control circuit contactor 2KM, contactor picks up, contactor contact L1 and contact T1, contact L2 and contact T2 connect, stand-by power supply B circuit is connected, the load power source C power supply that stand-by power supply B gives the back by modules A T2, modules A T1 is in stand-by state.The input power supply is converted to stand-by power supply B power supply by primary power cource A power supply.
When primary power cource A, stand-by power supply B send a telegram here when power supply simultaneously from off-position, the contactor 1KM coil circuit in the primary power cource A power supply circuits gets; Time-delay relay coil in the stand-by power supply B power supply circuits, contactor 2KM coil get; Before time-delay relay does not pick up, the contact 9 and the contact 11 of time-delay relay are in off-state, so stand-by power supply B power supply contactor 2KM coil circuit is in off state, contactor 2KM can not pick up, so the normally closed contact 21 and 22 that is connected in the primary power cource A circuit control circuit contactor coil circuit is in closure state, the control circuit of primary power cource A circuit is connected, and contactor 1KM picks up, connect the power supply circuits of modules A T1, power by primary power cource A; Time-delay relay in the stand-by power supply circuit control circuit gets electric picking up, contact 9 and contact 11 closures.At this moment, because the contactor 1KM of primary power cource A circuit picks up, so its normally closed contact 21 and 22 that is connected in the stand-by power supply B circuit control circuit disconnects, the coil magnetization circuit of the contactor 2KM of stand-by power supply B circuit is cut off, so stand-by power supply B can not be by modules A T2 power supply.Therefore, all cut off the power supply at the two-way power supply, under Lai Dian the situation, at first connect the power supply circuits of modules A T1 simultaneously, T1 powers to load equipment by modules A, and modules A T2 is standby.When the two-way power supply simultaneously when electric, primary power cource can be at first electric work, avoided the two-way power supply simultaneously the impulse current that causes of electric work.
Those skilled in the art will appreciate that the utility model not only is confined to the foregoing description, all differentiation on basis of the present utility model all should belong to protection range of the present utility model.
Claims (3)
1, a kind ofly can realize that active and standby electricity consumption is derived from the circuit of moving conversion, this circuit comprises the primary power cource power supply circuits, stand-by power supply power supply circuits and primary power cource, stand-by power supply power-supplying circuit, it is characterized in that: described primary power cource power-supplying circuit comprises the coil contact (A1 of contactor 1KM, A2), the contactor 2KM normally closed contact (21,22) of stand-by power supply; The control circuit of described stand-by power supply comprises the coil contact (A1 of contactor 2KM, A2), the contactor 1KM normally closed contact (21 of primary power cource, 22), the normal opened contact of time-delay relay KR (9,11) and and the time-delay relay coil (2,10) of above-mentioned contact parallel connection.
2, can realize that according to claims 1 are described active and standby electricity consumption is derived from the circuit of moving conversion, it is characterized in that: described primary power cource power-supplying circuit is by the coil contact (A1 of contactor 1KM, A2), the contactor 2KM normally closed contact (21,22) of stand-by power supply is composed in series series circuit.
3, according to claim 1ly can realize that active and standby electricity consumption is derived from the circuit of moving conversion, it is characterized in that: described stand-by power supply power-supplying circuit is by the coil contact (A1 of contactor 2KM, A2), the contactor 1KM normally closed contact (21 of primary power cource, 22), the normal opened contact (9 of time-delay relay KR, 11) be composed in series, time-delay relay coil (2,10) and above-mentioned series circuit parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920095601XU CN201360176Y (en) | 2009-02-20 | 2009-02-20 | Circuit capable of realizing automatic switching between main power source and standby power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920095601XU CN201360176Y (en) | 2009-02-20 | 2009-02-20 | Circuit capable of realizing automatic switching between main power source and standby power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201360176Y true CN201360176Y (en) | 2009-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920095601XU Expired - Fee Related CN201360176Y (en) | 2009-02-20 | 2009-02-20 | Circuit capable of realizing automatic switching between main power source and standby power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201360176Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951020A (en) * | 2010-10-25 | 2011-01-19 | 苏州高新区禾云设备设计事务所 | Spare power supply switching device for generator |
| CN104868586A (en) * | 2015-06-08 | 2015-08-26 | 国网黑龙江省电力有限公司绥化供电公司 | Automatic switching power supply circuit for double-way power supply |
| CN105471084A (en) * | 2015-12-22 | 2016-04-06 | 四川航空工业川西机器有限责任公司 | Backup direct-current power supply starting controller |
| CN108767970A (en) * | 2018-05-29 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of dual power supply automatic bus |
-
2009
- 2009-02-20 CN CNU200920095601XU patent/CN201360176Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951020A (en) * | 2010-10-25 | 2011-01-19 | 苏州高新区禾云设备设计事务所 | Spare power supply switching device for generator |
| CN104868586A (en) * | 2015-06-08 | 2015-08-26 | 国网黑龙江省电力有限公司绥化供电公司 | Automatic switching power supply circuit for double-way power supply |
| CN105471084A (en) * | 2015-12-22 | 2016-04-06 | 四川航空工业川西机器有限责任公司 | Backup direct-current power supply starting controller |
| CN105471084B (en) * | 2015-12-22 | 2019-04-16 | 四川航空工业川西机器有限责任公司 | DC standby power starts controller |
| CN108767970A (en) * | 2018-05-29 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of dual power supply automatic bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300300 Jinqiao Industrial Park, Dongli District, Tianjin Patentee after: Chuantie Electric (Tianjin) Group Co., Ltd. Address before: 300300 Jinqiao Industrial Park, Dongli District, Tianjin Patentee before: Tianjin Chuantie Signal Equipment Co., Ltd. |
|
| 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: 20091209 Termination date: 20160220 |