CN201904646U - Dual-power automatic conversion control device - Google Patents

Dual-power automatic conversion control device Download PDF

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Publication number
CN201904646U
CN201904646U CN2010206896918U CN201020689691U CN201904646U CN 201904646 U CN201904646 U CN 201904646U CN 2010206896918 U CN2010206896918 U CN 2010206896918U CN 201020689691 U CN201020689691 U CN 201020689691U CN 201904646 U CN201904646 U CN 201904646U
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CN
China
Prior art keywords
power supply
contact
relay
cable
lead
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Expired - Fee Related
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CN2010206896918U
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Chinese (zh)
Inventor
魏鸿琪
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YANXIANG ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd TIANJIN CITY
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YANXIANG ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd TIANJIN CITY
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Priority to CN2010206896918U priority Critical patent/CN201904646U/en
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Publication of CN201904646U publication Critical patent/CN201904646U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Stand-By Power Supply Arrangements (AREA)

Abstract

The utility model relates to a dual-power automatic conversion control device, which comprises a shell and a relay control circuit arranged in the shell, wherein a light through hole of a power grid power supply indicating lamp, an operation handle of a conversion switch, a light through hole of a standby power supply indicating lamp, and a setting rotary table of a time relay are arranged on a front cover of the shell; the light through hole of the power grid power supply indicating lamp is connected with the relay control circuit; a plurality of cable-penetrating holes for connecting the relay control circuit and the outside are formed on the bottom side panel of the shell, and respectively comprise a signal cable-penetrating hole, a power supply cable-penetrating hole of a standby power supply, a power grid power supply cable-penetrating hole, and an electrical appliance power supply cable-penetrating hole. The dual-power automatic conversion control device has advantages that the structure is simple, the mounting and the maintenance are convenient, and the cost performance is high; the device can normally work via connecting the power grid supply cables, the standby power supply cables, the electrical appliance supply cables, and the signal supply cables for controlling the standby power supply input respectively with corresponding wiring terminals; and the power grid can be automatically converted while the standby power supply can be replaced according to a power grid power supply condition.

Description

The automatic conversion control device of duplicate supply
Technical field
The utility model belongs to a kind of power supply control and relay control system, particularly relates to the automatic conversion control device of a kind of duplicate supply.
Background technology
In order in time to drop into stand-by power supply when mains supply interrupts, prior art has the product of multiple duplicate supply conversion.The big capacity high double-power supply switching device that uses in the power transmission and distribution system is arranged, matured products such as uninterrupted power supply are also arranged.
Number of patent application is 200810127452.0 patent application, a kind of intelligent double-power supply switching device is disclosed, comprise two vacuum circuit breaker main and a mechanical interlocking device, when wherein first vacuum circuit breaker main is in combined floodgate/gate-dividing state, make second vacuum circuit breaker main be in separating brake/"on" position by this mechanical interlocking device.This invention can realize duplicate supply conversion safely and effectively middle and high depressing, and also can utilize the vacuum circuit-breaker self characteristics to make simultaneously and the utlity model has overload and short-circuit protection function.
Number of patent application is 200810127451.6 patent application, a kind of chamber type intelligent duplicate power supply converting switch is disclosed, comprise casing, be arranged on main power source binding post, stand-by power supply binding post, load wiring post on the casing, power supply switching mechanism and a three-phase vacuum breaker device; Described three-phase vacuum breaker device comprises vacuum interrupter, moving contact, fixed contact and corresponding actuating mechanisms; Described power supply switching mechanism comprises three switching contact knifes; Each moving contact/fixed contact in the described three-phase vacuum breaker device is electrically connected with a corresponding switching contact knife in the power supply switching mechanism; Described each main power source binding post and each stand-by power supply binding post are provided with the switching tool rest; The switching tool rest of described each main power source binding post, the switching tool rest of each stand-by power supply binding post and each switching contact knife all are arranged in the casing.Thereby having, this invention avoid the power supply switching mechanism to be exposed to easy the to be oxidized advantage of effectively eliminating in the air because of power supply switching mechanism and switching tool rest of bringing potential safety hazard.
Number of patent application is 201010174958.4 patent application, discloses a kind of dual-power conversion intelligent controller, belongs to the power transmission and distribution field, comprises input/output board, master control borad, signal regulating panel and man-machine interaction plate.Input/output board is provided with switching value input circuit, switching value output circuit, voltage sampling circuit, master control borad is provided with main control board main control circuit and communicating circuit, signal regulating panel is provided with voltage and frequency processing circuit, the man-machine interaction plate is provided with governor circuit, and this governor circuit links to each other with liquid crystal, keyboard, indicator light; Described main control board main control circuit links to each other with governor circuit on switching value input circuit, switching value output circuit and the man-machine interaction plate respectively by I/O, described main control board main control circuit also links to each other with the frequency processing circuit with voltage by A/D, CAP simultaneously, this invention control precision height, real-time is good, graphical display is directly perceived, parameter setting is easy, communication function is strong, can be used for bright standby dual power supply system, also can be used for dark standby dual power supply system.
Number of patent application is 200920252053.7 patent application, discloses a kind of control device of Double Power Switch Controller.It comprises master controller, power circuit, voltage sampling circuit, current sampling circuit, control relay circuit, liquid crystal drive and button sample circuit, clock circuit, communicating circuit and motor status feedback and control circuit.The control device of the Double Power Switch Controller that this utility model provides can detect the state of duplex feeding power supply, when situation such as under-voltage, the superpressure or the phase failure occurring when one road power supply, automatically switches to another road power supply.In addition, when fire occurring, all power supplys can be cut off automatically, remote control and Communication Control can be realized simultaneously.In addition, this control device also has parameter setting, data acquisition and transmission, demonstration and controlled function, has the ability of electric energy metrical and output simultaneously.
Present domestic township enterprise, in order to continue to produce when electrical network power cuts to limit consumption or the electrical network maintenance outage, many enterprises have provided diesel engine generator for oneself.In the world, some are in the country in economic recovery stage, the mains supply instability, and in order to guarantee to produce and life, enterprise and some residents are house generator.The application of the automatic conversion control device of duplicate supply can provide perfect power management for these users.
Summary of the invention
The utility model provides a kind of compact conformation, cost performance height, the automatic conversion control device of duplicate supply convenient for installation and maintenance for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: the automatic conversion control device of a kind of duplicate supply, include shell body and be arranged on the interior control relay circuit of shell body, the protecgulum of described shell body is provided with the rotating disk that is provided with of the light hole of lever, stand-by power supply power supply indicator light of the mains supply indicator light light hole that links to each other with control relay circuit, change over switch and the time relay, and the bottom side panel of described shell body is provided with and is used for a plurality of cable-through holes that control relay circuit links to each other with the outside.
Described cable-through hole includes: signal cable cable-through hole, stand-by power supply power cable cable-through hole, mains supply cable cable-through hole and electrical appliance power cable cable-through hole.
Described control relay circuit includes: power relay, control relay, the time relay, the mains supply indicator light, stand-by power supply power supply indicator light and the binding post that is connected with cable, wherein, power relay has two groups of contact sets, the moving contact of two groups of contact sets by lead connect the electrical appliance power supply terminal and, the normally-closed contact of two groups of contact sets connects the mains supply binding post by lead, the coil and the mains supply indicator light that connect control relay simultaneously, the normally opened contact of two groups of contact sets connects stand-by power supply power supply binding post by lead, connect stand-by power supply power supply indicator light simultaneously, the moving contact of first contact sets of control relay connects stand-by power supply power supply binding post by lead, the normally-closed contact of first contact sets connects an end of the coil of power relay by lead, the other end of the coil of power relay connects stand-by power supply power supply binding post by lead, the moving contact of first contact sets of dpdt double-pole double-throw (DPDT) change over switch connects the normally-closed contact of first contact sets of control relay by lead, the contact of first contact sets of dpdt double-pole double-throw (DPDT) change over switch is by an end of the coil of lead connect hours relay, the other end of time relay coil connects stand-by power supply power supply binding post by lead, the moving contact of second contact sets of dpdt double-pole double-throw (DPDT) change over switch connects the second control signal binding post by lead, the contact of second contact sets of dpdt double-pole double-throw (DPDT) change over switch connects the normally opened contact of second contact sets of control relay by lead, the moving contact of second contact sets of control relay connects the first control signal binding post by lead, the contact of second contact sets of dpdt double-pole double-throw (DPDT) change over switch is by the normally-closed contact of the contact sets of lead connect hours relay, and the moving contact of the contact sets of the time relay connects the first control signal binding post by lead.
Advantage and the good effect that the utlity model has are: the automatic conversion control device of duplicate supply of the present utility model, power relay, control relay, three relays of the time relay only have been to use, a double-point double-throw switch, two LED light and eight binding post modules, simple in structure, convenient for installation and maintenance, the cost performance height, the signal cable of cable, electrical appliance feed cable and the control stand-by power supply input of the cable of mains supply, stand-by power supply power supply just is connected to behind the corresponding binding post can operate as normal.The utility model can be when mains supply interrupts, automatically control stand-by power supply input power supply, when stand-by power supply is powered, in case the power system restoration power supply just is converted to mains supply immediately, control standby power system simultaneously and withdraw from power supply, when standby power system is powered, the time value of the time relay can planned power-on time be set, with change over switch the time relay is set and devotes oneself to work, when arrival is provided with the time, controls standby power system automatically and withdraw from power supply.
Description of drawings
Fig. 1 is the structural representation of the utility model external shell;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the utility model control relay circuit schematic diagram;
Fig. 5 is the circuit state schematic diagram of the utility model control relay circuit when mains supply;
Fig. 6 is the utility model control relay circuit circuit state schematic diagram when standby power system is powered;
Fig. 7 circuit state schematic diagram during control relay circuit that is the utility model control relay circuit in turn-on time;
Label among the figure is respectively:
1-external shell; 2-casing cover; 3-signal cable cable-through hole; 4-stand-by power supply power cable cable-through hole; 5-mains supply cable cable-through hole; 6-casing cover holding screw; 7-electrical appliance power cable cable-through hole; KA1-power relay; KA2-control relay; KT1-time relay; S1-change over switch; LED1-mains supply indicator light; LED2-stand-by power supply power supply indicator light; LN, LL-electrical appliance power supply terminal; MN, ML-mains supply binding post; GN, GL-stand-by power supply power supply binding post; Gs1-first control signal binding post; Gs2-second control signal binding post.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, enumerate following examples now, and conjunction with figs. to describe the automatic conversion control device of duplicate supply of the present utility model in detail as follows:
As Fig. 1, Fig. 2, shown in Figure 3, the automatic conversion control device of duplicate supply of the present utility model, including by panel beating or plastics is material shell body 1 that constitutes and the control relay circuit that is arranged in the shell body 1, the protecgulum 2 of described shell body 1 is provided with the mains supply indicator light LED1 light hole that links to each other with control relay circuit, the lever of change over switch S1, stand-by power supply power supply indicator light LED2 light hole and time relay KT1 are provided with rotating disk, and the bottom side panel of described shell body 1 is provided with and is used for a plurality of cable-through holes that control relay circuit links to each other with the outside.Described cable-through hole includes: signal cable cable-through hole 3, stand-by power supply power cable cable-through hole 4, mains supply cable cable-through hole 5 and electrical appliance power cable cable-through hole 7.
As shown in Figure 4, described control relay circuit includes: power relay KA1, control relay KA2, time relay KT1, mains supply indicator light LED1, stand-by power supply power supply indicator light LED2 and the binding post that is connected with cable, wherein, power relay KA1 has two groups of contact sets KA1-1, KA1-2, two groups of contact sets KA1-1, the moving contact of KA1-2 connects electrical appliance power supply terminal LN and LL by lead, two groups of contact sets KA1-1, the normally-closed contact of KA1-2 connects mains supply binding post MN by lead, ML, the coil and the mains supply indicator light LED1 that connect control relay KA2 simultaneously, two groups of contact sets KA1-1, the normally opened contact of KA1-2 connects stand-by power supply power supply binding post GN by lead, GL, connect stand-by power supply power supply indicator light LED2 simultaneously, the moving contact of the first contact sets KA2-1 of control relay KA2 connects stand-by power supply power supply binding post GN by lead, the normally-closed contact of the first contact sets KA2-1 connects an end of the coil of power relay KA1 by lead, the other end of the coil of power relay KA1 connects stand-by power supply power supply binding post GL by lead, the moving contact of the first contact sets S1-1 of dpdt double-pole double-throw (DPDT) change over switch S1 connects the normally-closed contact of the first contact sets KA2-1 of control relay KA2 by lead, the contact b of the first contact sets S1-1 of dpdt double-pole double-throw (DPDT) change over switch S1 is by an end of the coil of lead connect hours relay K T1, the other end of time relay KT1 coil connects stand-by power supply power supply binding post GL by lead, the moving contact of the second contact sets S1-2 of dpdt double-pole double-throw (DPDT) change over switch S1 connects the second control signal binding post Gs2 by lead, the contact a of the second contact sets S1-2 of dpdt double-pole double-throw (DPDT) change over switch S1 connects the normally opened contact of the second contact sets KA2-2 of control relay KA2 by lead, the moving contact of the second contact sets KA2-2 of control relay KA2 connects the first control signal binding post Gs1 by lead, the contact b of the second contact sets S1-2 of dpdt double-pole double-throw (DPDT) change over switch S1 is by the normally-closed contact of the contact sets KT1-1 of lead connect hours relay K T1, and the moving contact of the contact sets KT1-1 of time relay KT1 connects the first control signal binding post Gs1 by lead.
The operation principle of the automatic conversion control device of duplicate supply of the present utility model is as follows:
When the electrical network normal power supply, the control relay circuit state as shown in Figure 5, binding post MN and ML obtain normal power supply voltage, LED1 is bright for the mains supply indicator light, the coil of control relay KA2 gets the electrical relay adhesive, the normally-closed contact of the first contact sets KA2-1 disconnects, the loop that makes stand-by power supply connect power relay KA1 coil disconnects, power relay KA1 dead electricity discharges, the normally-closed contact closure of power relay KA1 contact sets KA1-1 and KA1-2, this moment, electrical appliance power supply terminal LN and LL were communicated with mains supply binding post MN and ML by the normally-closed contact of power relay KA1 contact sets KA1-1 and KA1-2, the consumer electronics equipment that is connected on electrical appliance power supply terminal LN and the LL obtains power supply, this moment control relay KA2 the normally opened contact closure of the second contact sets KA2-2, export closed switching value signal by the first control signal binding post Gs1 and the second control signal binding post Gs2 to standby power system, standby power system obtains withdrawing from the power supply program behind this switching value signal.
When mains supply interrupts, the control relay circuit state as shown in Figure 6, binding post MN and ML go up no supply power voltage, the control relay KA2 dead electricity of control relay circuit discharges, mains supply indicator light LED1 goes out, the normally opened contact of the second contact sets KA2-2 of control relay disconnects, by the first control signal binding post Gs1 and the second control signal binding post Gs2 is the switching value signal that standby power system is sent to disconnection, standby power system obtains dropping into behind this signal the program of power supply, the normally-closed contact closure of the first contact sets KA2-1 of control relay KA2, connected the circuit of standby power system to power relay KA1 power supply, power relay KA1 gets electric adhesive, the normally opened contact closure of the contact sets KA1-1 of power relay KA1 and KA1-2, this moment, electrical appliance power supply terminal LN and LL were communicated with stand-by power supply power supply binding post GN and GL by the closed normally opened contact of power relay KA1 contact sets KA1-1 and KA1-2, and the consumer electronics equipment that is connected on electrical appliance power supply terminal LN and the LL obtains power supply.
Above process is the control procedure of unused time relay, and promptly the moving contact of the first contact sets S1-1 of change over switch S1 and the second contact sets S1-2 all is connected with a closing of contact of contact sets.Be provided with in the state in this connection,, just power by standby power system all the time as long as electrical network does not restore electricity.When standby power system is powered, can be by the state of change over switch be set, the making time relay is controlled in control relay circuit, and control procedure is as follows:
When standby power system is powered, the control relay circuit state as shown in Figure 7, control circuit with change over switch S1 relay K turn-on time T1, be that the first contact sets S1-1 of change over switch S1 and the moving contact of the second contact sets S1-2 are connected with the b closing of contact of contact sets, time relay KT1 gets electric adhesive, and enter delay procedure according to the time that sets in advance, meanwhile, the switching value signal circuit that provides for standby power system is transformed into the contact sets KT1-1 of the time relay, this moment, time relay KT1 got electric adhesive, and contact sets KT1-1 normally-closed contact disconnects; When time relay K T1 delay time arrives, time relay KT1 discharges automatically, its contact sets KT1-1 normally-closed contact closure, export closed switching value signal by the first control signal binding post Gs1 and the second control signal binding post Gs2 to standby power system, standby power system obtains withdrawing from the power supply program behind this switching value signal.
The user can the planned electricity consumption time, and the delay time of the time relay is set when standby power system is powered, thereby obtain to stop the power supply of standby power system automatically when not needing supply of electric power.

Claims (3)

1. automatic conversion control device of duplicate supply, include shell body (1) and be arranged on the interior control relay circuit of shell body (1), it is characterized in that, the protecgulum (2) of described shell body (1) is provided with mains supply indicator light (LED1) light hole that links to each other with control relay circuit, the lever of change over switch (S1), the light hole of stand-by power supply power supply indicator light (LED2) and the time relay (KT1) rotating disk is set, the bottom side panel of described shell body (1) is provided with and is used for a plurality of cable-through holes that control relay circuit links to each other with the outside.
2. the automatic conversion control device of duplicate supply according to claim 1, it is characterized in that described cable-through hole includes: signal cable cable-through hole (3), stand-by power supply power cable cable-through hole (4), mains supply cable cable-through hole (5) and electrical appliance power cable cable-through hole (7).
3. the automatic conversion control device of duplicate supply according to claim 1, it is characterized in that, described control relay circuit includes: power relay (KA1), control relay (KA2), the time relay (KT1), mains supply indicator light (LED1), stand-by power supply power supply indicator light (LED2) and the binding post that is connected with cable, wherein, power relay (KA1) has two groups of contact sets (KA1-1, KA1-2), two groups of contact sets (KA1-1, KA1-2) moving contact connects electrical appliance power supply terminal (LN) and (LL) by lead, two groups of contact sets (KA1-1, KA1-2) normally-closed contact connects mains supply binding post (MN by lead, ML), the coil and the mains supply indicator light (LED1) that connect control relay (KA2) simultaneously, two groups of contact sets (KA1-1, KA1-2) normally opened contact connects stand-by power supply power supply binding post (GN by lead, GL), connect stand-by power supply power supply indicator light (LED2) simultaneously, the moving contact of first contact sets (KA2-1) of control relay (KA2) connects stand-by power supply power supply binding post (GN) by lead, the normally-closed contact of first contact sets (KA2-1) connects an end of the coil of power relay (KA1) by lead, the other end of the coil of power relay (KA1) connects stand-by power supply power supply binding post (GL) by lead, the moving contact of first contact sets (S1-1) of dpdt double-pole double-throw (DPDT) change over switch (S1) connects the normally-closed contact of first contact sets (KA2-1) of control relay (KA2) by lead, the contact (b) of first contact sets (S1-1) of dpdt double-pole double-throw (DPDT) change over switch (S1) is by an end of the coil of lead connect hours relay (KT1), the other end of the time relay (KT1) coil connects stand-by power supply power supply binding post (GL) by lead, the moving contact of second contact sets (S1-2) of dpdt double-pole double-throw (DPDT) change over switch (S1) connects the second control signal binding post (Gs2) by lead, the contact (a) of second contact sets (S1-2) of dpdt double-pole double-throw (DPDT) change over switch (S1) connects the normally opened contact of second contact sets (KA2-2) of control relay (KA2) by lead, the moving contact of second contact sets (KA2-2) of control relay (KA2) connects the first control signal binding post (Gs1) by lead, the contact (b) of second contact sets (S1-2) of dpdt double-pole double-throw (DPDT) change over switch (S1) is by the normally-closed contact of the contact sets (KT1-1) of lead connect hours relay (KT1), and the moving contact of the contact sets (KT1-1) of the time relay (KT1) connects the first control signal binding post (Gs1) by lead.
CN2010206896918U 2010-12-29 2010-12-29 Dual-power automatic conversion control device Expired - Fee Related CN201904646U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2010206896918U CN201904646U (en) 2010-12-29 2010-12-29 Dual-power automatic conversion control device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362731A (en) * 2014-10-31 2015-02-18 成都利邦科技有限公司 Dual power automatic switchover system for security and protection equipment
CN108471163A (en) * 2018-05-31 2018-08-31 广西玉柴机器股份有限公司 A kind of alternate power autocast control device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362731A (en) * 2014-10-31 2015-02-18 成都利邦科技有限公司 Dual power automatic switchover system for security and protection equipment
CN108471163A (en) * 2018-05-31 2018-08-31 广西玉柴机器股份有限公司 A kind of alternate power autocast control device
CN108471163B (en) * 2018-05-31 2023-10-27 广西玉柴机器股份有限公司 Automatic switching control device for standby power supply

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110720

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