CN108471163A - A kind of alternate power autocast control device - Google Patents

A kind of alternate power autocast control device Download PDF

Info

Publication number
CN108471163A
CN108471163A CN201810547749.6A CN201810547749A CN108471163A CN 108471163 A CN108471163 A CN 108471163A CN 201810547749 A CN201810547749 A CN 201810547749A CN 108471163 A CN108471163 A CN 108471163A
Authority
CN
China
Prior art keywords
generating set
contactor
control circuit
alternating current
button
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810547749.6A
Other languages
Chinese (zh)
Other versions
CN108471163B (en
Inventor
卢铭
陈振羽
卢桥
陈堂标
刘先黎
钟庆思
梁洁
彭祖能
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201810547749.6A priority Critical patent/CN108471163B/en
Publication of CN108471163A publication Critical patent/CN108471163A/en
Application granted granted Critical
Publication of CN108471163B publication Critical patent/CN108471163B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • 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
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • 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
    • Y04S20/248—UPS systems or standby or emergency generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a kind of alternate power autocast control devices, including control circuit module, the control circuit module includes alternating current control circuit, generator set control circuit, remote control route, alternating current is connect by alternating current control circuit with electrical equipment, generating set is connect by generator set control circuit with electrical equipment, and the remote control route is connect with generating set.The present invention can quickly start generating set, and safe and practical, high efficient and reliable can be with local and remote operation and control.

Description

A kind of alternate power autocast control device
Technical field
The present invention relates to in-put of spare power supply technical fields, more specifically, it relates to a kind of alternate power autocast Control device.
Background technology
Alternate power autocast system abbreviation prepared auto restart, spare power automatic switching system are exactly when working power is because working equipment is because different Often, failure is disconnected or stand-by power supply or stand-by equipment can be devoted oneself to work to restore electricity rapidly automatically after unexpected disconnection System.The condition of prepared auto restart is：1, there is stand-by power supply or stand-by equipment；2, when working bus bar voltage declines, by for certainly Stand-by power supply or equipment investment could be worked after throwing the breaker of tripping working power.Currently, the supply of electric power in China is main Or it powers by national grid, electric power notch is very big, for this purpose, many large enterprises are often equipped with generator, therefore, how to make each Kind of power safety mutually switches, ensure the high reliability of power supply uninterrupted power supply and power supply at protection in Modern power distribution engineering and The pith of control.Spare power automatic switching system makes system automatic system be combined with relay protection system, be it is a kind of to user provide The economic and effective technical measures of uninterrupted power supply, it is widely used in modern power supply system.
In casting industry, generating set is the stand-by equipment of common electric energy supply, when alternating current power-off or power grid (alternating current) are main It is powered, production will be impacted, especially to molten if generating set can not be started in first time after power failure It refines the large-scale current consuming apparatus such as molten iron furnace, high temperature furnace and generates extreme influence, jeopardize operator when serious and entire shop safety is made Industry environment.
Invention content
The technical problem to be solved by the present invention is to the above-mentioned deficiency for the prior art, the present invention provides one kind and quickly opens Dynamic, safe and practical, high efficient and reliable, can be with the alternate power autocast control device of local and remote operation and control.
The technical scheme is that such：A kind of alternate power autocast control device, including control circuit module, The control circuit module includes alternating current control circuit, generator set control circuit, remote control route, and alternating current is automatically controlled by city Circuit processed is connect with electrical equipment, and generating set is connect by generator set control circuit with electrical equipment, the remote control Route is connect with generating set.
As a further improvement, further including the operation panel being connect with the control circuit module, the operation panel Generating set test lamp, city's eletric starter button, alternating current stop button, generating set start button, generating set is equipped with to stop Button, key switch.
Further, the alternating current control circuit includes first contactor, and the generator set control circuit includes second Contactor, wherein generating set test lamp, generating set stop button, generating set start button, first contactor it is normally closed Contact, second contactor coil be sequentially connected in series the second phase line with generating set, third phase line afterwards and connect, second contactor Normally opened contact is in parallel with generating set start button, key switch, first contactor normally-closed contact series connection after with generating set Start button is in parallel.
Further, the remote control route includes long-range start button, long-range stop button, long-range start button The normally-closed contact of normally opened contact and long-range stop button is composed in series the first branch, the normally-closed contact of long-range start button with it is long-range The normally opened contact of stop button is composed in series the second branch, one end of the first branch respectively with one end of the second branch, generator Second phase line of one end connection of group start button, the other end of the first branch and generating set connects, the second branch it is another End is connect with the third phase line of generating set.
Further, the alternating current stop button, city's eletric starter button, the normally-closed contact of second contactor, the first contact The coil of device is sequentially connected in series the second phase line with alternating current, third phase line afterwards and connect, and normally opened contact and the alternating current of first contactor open Dynamic button is in parallel.
Further, the operation panel is additionally provided with alternating current indicator light, generating set indicator light, alternating current indicator light and first The coils from parallel connection of coils of contactor, the coil of generating set indicator light and second contactor.
Further, the alternating current control circuit further includes the first air switch, and the generator set control circuit also wraps The second air switch is included, alternating current is connect by the main contacts of the first air switch, first contactor with electrical equipment, generating set It is connect with electrical equipment by the main contacts of the second air switch, second contactor.
Advantageous effect
Compared with prior art, the present invention have the advantage that for：
1, coordinated by alternating current control circuit, generator set control circuit, in alternating current power-off or power grid (alternating current) main power source It can start generating set at the first time after failure to be powered, start that speed is fast, safe and practical, high efficient and reliable, utmostly Reduce and production is impacted；
2, coordinated by generator set control circuit, remote control route, the local and remote control of generating set may be implemented System is quickly started generating set by remote control and is powered in the case of locally control failure, and redundancy is strong, reliable Property it is high；
3, operation panel is easy to operate, each display lamp real-time display working condition, simple and clear.
Description of the drawings
Fig. 1 is the block diagram of the present invention；
Fig. 2 is the structural schematic diagram of operation panel in the present invention；
Fig. 3 is the circuit diagram of control circuit module in the present invention.
Wherein：1- control circuits module, 2- alternating currents control circuit, 3- generator set controls circuit, 4- remote controls route, 5- alternating currents, 6- electrical equipments, 7- generating sets, 8- operation panels, the 9- first branchs, 10- the second branches, the instruction of HL1- alternating currents Lamp, HL2- generating sets indicator light, HL3- generating sets test lamp, SB1- alternating currents stop button, the cities SB2- eletric starter button, SB3- generating sets stop button, SB4- generating sets start button, the long-range stop buttons of SB5-, the long-range start buttons of SB6-, SB7- key switches, KM1- first contactors, KM2- second contactors, the first air switches of QS1-, the first air switches of QS2-.
Specific implementation mode
The present invention is described further for specific embodiment in below in conjunction with the accompanying drawings.
Refering to fig. 1-3, a kind of alternate power autocast control device, including control circuit module 1, control circuit module 1 includes alternating current control circuit 2, generator set control circuit 3, remote control route 4, and alternating current 5 passes through alternating current control circuit 2 and use Electric equipment 6 connects, and generating set 7 is connect by generator set control circuit 3 with electrical equipment 6, remote control route 4 and power generation Unit 7 connects, and generator set control circuit 3, remote control route 4 can start and close generating set 7；Further include and controls The operation panel 8 of line module connection, operation panel 8 are equipped with generating set test lamp HL3, city eletric starter button SB2, alternating current Stop button SB1, generating set start button SB4, generating set stop button SB3, key switch SB7.
Alternating current control circuit 2 includes first contactor KM1, and generator set control circuit 3 includes second contactor KM2, In, alternating current stop button SB1, city eletric starter button SB2, the normally-closed contact of second contactor KM2, first contactor KM1 line Circle is sequentially connected in series the second phase line L2 with alternating current 5, third phase line L3 afterwards and connect, the normally opened contact and alternating current of first contactor KM1 Start button SB2 is in parallel；Generating set test lamp HL3, generating set stop button SB3, generating set start button SB4, The normally-closed contact of one contactor KM1, the coil of second contactor KM2 are sequentially connected in series the second phase line S with generating set 7, afterwards Triple line T connections, the normally opened contact of second contactor KM2 is in parallel with generating set start button SB4, key switch SB7, first It is in parallel with generating set start button SB4 after the normally-closed contact series connection of contactor KM1；Electrical equipment 6 is in 5 electric power thus supplied of alternating current Under, key switch SB7 is switched to and selects electric set electric supply pattern, when alternating current 5 powers off or occurs abnormal, first contactor KM1 dead electricity disconnects and starts generating set 7, and the main contacts of second contactor KM2 energized actions, second contactor KM2 is closed in fact Existing generating set 7 is powered to electrical equipment 6；If only generating set 7 is used to power, generating set start button SB4 only need to be pressed, On the one hand generating set start button SB4 starts generating set 7, on the other hand connect generator set control circuit 3 and realize self-locking Power supply；When pressing generating set stop button SB3,3 dead electricity of generator set control circuit simultaneously closes off generating set 7.
Remote control route 4 includes long-range start button SB6, long-range stop button SB5, and long-range start button SB6's is normal It opens contact and the normally-closed contact of long-range stop button SB5 is composed in series the first branch 9, the normally-closed contact of long-range start button SB6 Be composed in series the second branch 10 with the normally opened contact of long-range stop button SB5, one end of the first branch 9 respectively with the second branch 10 One end, generating set start button SB4 one end connection, the other end of the first branch 9 and the second phase line S of generating set 7 Connection, the other end of the second branch 10 are connect with the third phase line T of generating set 7；In actual use, since mains by harmonics is dry Disturb, system device stay for a long time do not have to, weather moisture regain, reasons, the generating set 7 such as circuit damage possibly can not immediately start locally, At this moment generating set 7 can quickly be started by the long-range start button SB6 pressed in remote control route 4, it is long-range when pressing Generating set 7 is closed when stop button SB5.
Operation panel 8 is additionally provided with alternating current indicator light HL1, generating set indicator light HL2, and alternating current indicator light HL1 connects with first The coils from parallel connection of coils of tentaculum KM1, the coil of generating set indicator light HL2 and second contactor KM2.
Alternating current control circuit 2 further includes the first air switch QS1, and generator set control circuit 3 further includes that the second air is opened QS2 is closed, alternating current 5 is connect by the main contacts of the first air switch QS1, first contactor KM1 with electrical equipment 6, generating set 7 It is connect with electrical equipment 6 by the main contacts of the second air switch QS2, second contactor KM2.
The beneficial effects of the invention are as follows：By alternating current control circuit 2, generator set control circuit cooperation 3, powered off in alternating current Or can start generating set 7 at the first time after power grid (alternating current) mains power failure and be powered, it is fast, safe real to start speed With, high efficient and reliable, utmostly reduces and production is impacted；Coordinated by generator set control circuit 3, remote control route 4,7 local and remote control of generating set may be implemented, in the case of locally control failure, quickly started by remote control Generating set 7 is powered, and redundancy is strong, reliability is high；Operation panel 8 is easy to operate, each display lamp real-time display work shape State, it is simple and clear.
What has been described above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, Without departing from the structure of the invention, several modifications and improvements can also be made, these all do not interfere with implementation of the present invention Effect and patent practicability.

Claims (7)

1. a kind of alternate power autocast control device, it is characterised in that：Including control circuit module (1), the control line Road module (1) includes alternating current control circuit (2), generator set control circuit (3), remote control route (4), and alternating current (5) passes through Alternating current control circuit (2) is connect with electrical equipment (6), and generating set (7) passes through generator set control circuit (3) and electrical equipment (6) it connects, the remote control route (4) connect with generating set (7).
2. a kind of alternate power autocast control device according to claim 1, it is characterised in that：Further include with it is described The operation panel (8) of control circuit module (1) connection, the operation panel (8) are equipped with generating set test lamp (HL3), city Eletric starter button (SB2), alternating current stop button (SB1), generating set start button (SB4), generating set stop button (SB3), key switch (SB7).
3. a kind of alternate power autocast control device according to claim 2, it is characterised in that：City's electric control Circuit (2) includes first contactor (KM1), and the generator set control circuit (3) includes second contactor (KM2), wherein hair Motor group test lamp (HL3), generating set stop button (SB3), generating set start button (SB4), first contactor (KM1) Normally-closed contact, second contactor (KM2) coil be sequentially connected in series after and generating set (7) the second phase line (S), third phase line (T) it connects, the normally opened contact of second contactor (KM2) is in parallel with generating set start button (SB4), key switch (SB7), the It is in parallel with generating set start button (SB4) after the normally-closed contact series connection of one contactor (KM1).
4. a kind of alternate power autocast control device according to claim 3, it is characterised in that：The remote control Route (4) includes long-range start button (SB6), long-range stop button (SB5), the normally opened contact of long-range start button (SB6) with The normally-closed contact of long-range stop button (SB5) is composed in series the first branch (9), the normally-closed contact of long-range start button (SB6) with The normally opened contact of long-range stop button (SB5) is composed in series the second branch (10), one end of the first branch (9) respectively with second The one end on road (10), one end connection of generating set start button (SB4), the other end and the generating set (7) of the first branch (9) The second phase line (S) connection, the other end of the second branch (10) connect with the third phase line (T) of generating set (7).
5. a kind of alternate power autocast control device according to claim 3, it is characterised in that：The alternating current stops Button (SB1), city's eletric starter button (SB2), the normally-closed contact of second contactor (KM2), first contactor (KM1) coil according to Connect with the second phase line of alternating current (5) (L2), third phase line (L3) after secondary series connection, the normally opened contact of first contactor (KM1) with City's eletric starter button (SB2) is in parallel.
6. a kind of alternate power autocast control device according to claim 3, it is characterised in that：The operation panel (8) alternating current indicator light (HL1), generating set indicator light (HL2), alternating current indicator light (HL1) and first contactor (KM1) are additionally provided with Coils from parallel connection of coils, the coil of generating set indicator light (HL2) and second contactor (KM2).
7. a kind of alternate power autocast control device according to claim 3-6 any one, it is characterised in that：Institute It further includes the first air switch (QS1) to state alternating current control circuit (2), and the generator set control circuit (3) further includes the second sky Air cock (QS2), alternating current (5) pass through the first air switch (QS1), the main contacts of first contactor (KM1) and electrical equipment (6) Connection, generating set (7) are connected by the second air switch (QS2), the main contacts of second contactor (KM2) and electrical equipment (6) It connects.
CN201810547749.6A 2018-05-31 2018-05-31 Automatic switching control device for standby power supply Active CN108471163B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810547749.6A CN108471163B (en) 2018-05-31 2018-05-31 Automatic switching control device for standby power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810547749.6A CN108471163B (en) 2018-05-31 2018-05-31 Automatic switching control device for standby power supply

Publications (2)

Publication Number Publication Date
CN108471163A true CN108471163A (en) 2018-08-31
CN108471163B CN108471163B (en) 2023-10-27

Family

ID=63260694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810547749.6A Active CN108471163B (en) 2018-05-31 2018-05-31 Automatic switching control device for standby power supply

Country Status (1)

Country Link
CN (1) CN108471163B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829574A (en) * 2019-10-10 2020-02-21 泰豪科技股份有限公司 Three-wire interlocking control system

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201113522Y (en) * 2007-09-26 2008-09-10 新疆新能源股份有限公司 Automatic switchover device for double loop power supply source
US20090179498A1 (en) * 2008-01-14 2009-07-16 Lathrop Todd M Transfer switch controller providing an alternating current voltage to a generator and transfer switch including the same
CN201904646U (en) * 2010-12-29 2011-07-20 天津市研翔电子科技有限公司 Dual-power automatic conversion control device
CN102156468A (en) * 2011-04-21 2011-08-17 东莞市瑞柯电机有限公司 System for complementary power supply between small power station and commercial power grid
CN102198545A (en) * 2010-08-19 2011-09-28 周碧胜 Power supply device for short-arc cutting equipment
CN202798136U (en) * 2012-07-24 2013-03-13 中冶南方工程技术有限公司 Switching circuit of power supplies of transformer and large-power diesel generator
CN203537054U (en) * 2013-10-25 2014-04-09 广东易事特电源股份有限公司 Double-input switching device of single-phase uninterruptable power supply
CN104313676A (en) * 2014-09-22 2015-01-28 广西玉柴机器股份有限公司 Electrolytic power supply and infusion pump interlock circuit and control method thereof
CN204497589U (en) * 2015-03-20 2015-07-22 黄冈职业技术学院 Multifunctional ligand electrical control cabinet
CN204652269U (en) * 2015-06-16 2015-09-16 正和集团股份有限公司 Motor for subsequent use automatically switches and runs circuit
CN205104983U (en) * 2015-09-14 2016-03-23 浙江正泰电器股份有限公司 Double power source switch controller
CN205265248U (en) * 2015-12-16 2016-05-25 国家电网公司 Emergent platform of dealing with of relay protection
CN105610239A (en) * 2016-02-22 2016-05-25 黄焕珠 Automatic input device of emergency power supply
CN106208338A (en) * 2016-08-31 2016-12-07 讯美科技股份有限公司 A kind of three power supply double circuit power supply systems
CN205882829U (en) * 2016-06-14 2017-01-11 浙江幸福航天科技有限公司 Power supply switching system
CN206370728U (en) * 2016-11-30 2017-08-01 伟顺(中国)机电设备有限公司 A kind of intelligent electric power switching device
CN208174356U (en) * 2018-05-31 2018-11-30 广西玉柴机器股份有限公司 A kind of alternate power autocast control device

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201113522Y (en) * 2007-09-26 2008-09-10 新疆新能源股份有限公司 Automatic switchover device for double loop power supply source
US20090179498A1 (en) * 2008-01-14 2009-07-16 Lathrop Todd M Transfer switch controller providing an alternating current voltage to a generator and transfer switch including the same
CN102198545A (en) * 2010-08-19 2011-09-28 周碧胜 Power supply device for short-arc cutting equipment
CN201904646U (en) * 2010-12-29 2011-07-20 天津市研翔电子科技有限公司 Dual-power automatic conversion control device
CN102156468A (en) * 2011-04-21 2011-08-17 东莞市瑞柯电机有限公司 System for complementary power supply between small power station and commercial power grid
CN202798136U (en) * 2012-07-24 2013-03-13 中冶南方工程技术有限公司 Switching circuit of power supplies of transformer and large-power diesel generator
CN203537054U (en) * 2013-10-25 2014-04-09 广东易事特电源股份有限公司 Double-input switching device of single-phase uninterruptable power supply
CN104313676A (en) * 2014-09-22 2015-01-28 广西玉柴机器股份有限公司 Electrolytic power supply and infusion pump interlock circuit and control method thereof
CN204497589U (en) * 2015-03-20 2015-07-22 黄冈职业技术学院 Multifunctional ligand electrical control cabinet
CN204652269U (en) * 2015-06-16 2015-09-16 正和集团股份有限公司 Motor for subsequent use automatically switches and runs circuit
CN205104983U (en) * 2015-09-14 2016-03-23 浙江正泰电器股份有限公司 Double power source switch controller
CN205265248U (en) * 2015-12-16 2016-05-25 国家电网公司 Emergent platform of dealing with of relay protection
CN105610239A (en) * 2016-02-22 2016-05-25 黄焕珠 Automatic input device of emergency power supply
CN205882829U (en) * 2016-06-14 2017-01-11 浙江幸福航天科技有限公司 Power supply switching system
CN106208338A (en) * 2016-08-31 2016-12-07 讯美科技股份有限公司 A kind of three power supply double circuit power supply systems
CN206370728U (en) * 2016-11-30 2017-08-01 伟顺(中国)机电设备有限公司 A kind of intelligent electric power switching device
CN208174356U (en) * 2018-05-31 2018-11-30 广西玉柴机器股份有限公司 A kind of alternate power autocast control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829574A (en) * 2019-10-10 2020-02-21 泰豪科技股份有限公司 Three-wire interlocking control system

Also Published As

Publication number Publication date
CN108471163B (en) 2023-10-27

Similar Documents

Publication Publication Date Title
CN106655478B (en) Low-voltage emergency safety power supply system of household garbage power plant and control method thereof
CN201656549U (en) Automatic switching device of UPS
CN104917289A (en) Automatic switching method for emergency power supply and two-way working power supplies of diesel generator
CN107863917A (en) A kind of variable-frequency motor transformation circuit with cooling blower
CN109038805B (en) Method for realizing automatic switching between medium-voltage commercial power and diesel generator set
CN208174356U (en) A kind of alternate power autocast control device
CN108471163A (en) A kind of alternate power autocast control device
CN103427479A (en) Method for switching safety power sources of power plant on basis of DCS (distributed control system)
CN103311889A (en) Manual switching protection circuit for dual power supplies
CN218243096U (en) Power supply control loop of high-temperature reactor emergency bus and power system
CN207420637U (en) A kind of steam turbine bavin electricity security protection device
CN214543787U (en) Power supply switching circuit
CN210608675U (en) Nuclear power station dual power supply switching control circuit, switching device and power supply system
CN209488265U (en) Substation isolating-switch controls power supply, motor power tele-control system
CN206573932U (en) A kind of electrical equipment control device
CN207967919U (en) A kind of mobile air conditioner unit with misphase default-phase protection function
CN207800395U (en) Box type transformer low pressure universal switch automatic switching-on device
CN207652133U (en) The dual power supply automatic switching device of electric spray type generating set and alternating current
CN205509644U (en) Diesel generating set is as reserve high voltage power supply's power supply system
CN209844636U (en) Standby direct-current excitation device switching system of synchronous motor
CN213027535U (en) UPS maintenance bypass topology circuit
CN218243112U (en) Control loop for high-temperature reactor main helium fan circuit breaker split-combination test
CN209217714U (en) A kind of dual power supply electric interlock control system
CN107842398B (en) Diesel-electric safety control system of steam turbine and control method thereof
CN214412295U (en) High-voltage switch control power supply for main motor of blast furnace blower

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant