CN102801209A - Intelligent dual-power switch controller - Google Patents
Intelligent dual-power switch controller Download PDFInfo
- Publication number
- CN102801209A CN102801209A CN2012103212169A CN201210321216A CN102801209A CN 102801209 A CN102801209 A CN 102801209A CN 2012103212169 A CN2012103212169 A CN 2012103212169A CN 201210321216 A CN201210321216 A CN 201210321216A CN 102801209 A CN102801209 A CN 102801209A
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- power supply
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- module
- host cpu
- control chip
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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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent dual-power switch controller which comprises a main CPU control chip, an A/B power supply input module, an A/B power supply three-phase voltage signal input module, an A/B power supply low-voltage or high-voltage failure signal acquiring module, an A/B power supply failure signal acquiring module, an A/B power supply switching on/off control module, a key panel connecting base, a software downloading base, an indication lamp circuit, an action delay time regulating circuit, a 485 communication circuit, an external wiring terminal and an overvoltage protection device. A field bus communication protocol with a 485 communication interface and a standard communication can switch any switch according to the demand, therefore, concentrated monitoring and control management of a dual-power switch become possible, and a national power grid monitoring system or building intelligent monitoring system can be effectively collected. In a power utilization peak period, agriculture power utilization and industry power utilization can be switched in a day parting and community parting manner through a remote preservation mode through a national power grid monitoring platform, a three-phase power is changed into a single-phase power, and power utilization is limited.
Description
Technical field
The present invention relates to the duplicate supply switch device, be specifically related to a kind of intelligent twin-power switch controller.
Background technology
Along with progress of science and technology, every profession and trade requires increasingly highly to power supply reliability, and a lot of occasions must adopt the two-way power supply to guarantee the reliability of supplying power.The twin-power switch controller is exactly a kind of device that can between the two-way power supply, carry out reliable switch dual power supply, can not misoperation occur and cause accident can satisfying high reliability request.
Existing twin-power switch controller has following defective: one, twin-power switch controller dispersed and distributed is in the transformer below of each electricity consumption subregion; Because twin-power switch controller dispersed and distributed; Management is inconvenience very, is difficult to satisfy the demand of centralized monitor and debugging; Two, existing twin-power switch controller does not possess the function of agro-industrial distribution conversion, in summer or winter during peak of power consumption, can't stop commercial power and convert agriculture electricity consumption into by subregion, distributes thereby accomplish electricity consumption.
Summary of the invention
To the above-mentioned shortcoming of existing twin-power switch controller, the applicant improves through research, and another kind of intelligent duplicate power supply on-off controller is provided at present.
Technical scheme of the present invention is following:
A kind of intelligent duplicate power supply on-off controller comprises host CPU control chip, A/B Power Entry Module, A/B power supply three-phase voltage signal input module, A/B power supply low pressure or high voltage fault signal acquisition module, A/B power supply dead electricity signal acquisition module, A/B power supply combined floodgate/separating brake control module, key panel Connection Block, software download seat, indicator light circuit, action delay time adjustment circuit, 485 communicating circuits, external cabling terminal and over-voltage protector;
Said A/B power supply low pressure or high voltage fault signal acquisition module, A/B power supply dead electricity signal acquisition module are gathered the power state information of being sent by A/B power supply three-phase voltage signal input module, A/B Power Entry Module respectively in real time; After host CPU control chip digitized processing, send the switching state of instruction to the power state information of collecting through A/B power supply combined floodgate/separating brake control module control twin-power switch by the host CPU control chip;
Said host CPU control chip is connected with key panel Connection Block, software download seat, indicator light circuit, action delay time adjustment circuit and 485 communicating circuits respectively, and all inputs, output signal are managed control; Said key panel Connection Block is used to be provided with the parameter and the mode of operation of twin-power switch controller, and said software download seat is used for to host CPU control chip input control program; Said host CPU control chip sends under-voltage, overvoltage, the open-phase fault of commands for controlling indicator light circuit display power supply, dynamically shows twin-power switch switching state; Said host CPU control chip sends the action delay time that commands for controlling action delay time adjustment circuit is provided with twin-power switch; Said 485 communicating circuits are accomplished the communication of host CPU control chip and background monitoring system.
Useful technique effect of the present invention is:
1) the present invention can detect the three-phase voltage effective value and the phase place of duplex feeding power supply in real time; When arbitrary overvoltage, under-voltage, phase shortage of taking place mutually; All can switch to normal power source from unusual power supply automatically, perfect performance, safe and reliable, easy to operate, intelligent degree are high, the scope of application is extensive.
2) the present invention adopts the mode that dynamically shows to carry out information output to power supply state and twin-power switch operating state; Make the Field Force very clear and definite sense organ understanding arranged, and according to circumstances in time take measures parameter informations such as the overvoltage of the commit condition of switch, power supply, low-voltage, phase shortages.
3) the present invention can be provided with, revise parameter and the mode of operation and the ability current failure memory of controller flexibly, has improved application range of products and on-the-spot applicability greatly.
4) the present invention possesses the field bus communication agreement of 485 communication interfaces and standard communication; Can switch any switch as required; Thereby make twin-power switch concentrate supervision and control and management to become possibility, can effectively include national grid supervisory control system or building intelligent monitor system in.
5) the present invention peak of power consumption period through the national grid monitor supervision platform, through remote reserved mode at times, branch section agro-industrial electricity consumption is switched, three-phase electricity is become single-phase electricity, the restricted power electricity consumption.
Aspect that the present invention adds and advantage provide in the embodiment description partly below, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is the circuit theory diagrams of external cabling terminal and over-voltage protector.
Fig. 3 is the circuit theory diagrams of A/B Power Entry Module.
Fig. 4 is the circuit theory diagrams of A/B power supply three-phase voltage signal input module.
Fig. 5 is the circuit theory diagrams of A/B power supply low pressure or high voltage fault signal acquisition module.
Fig. 6 is the circuit theory diagrams of A/B power supply dead electricity signal acquisition module.
Fig. 7 is the circuit theory diagrams of A/B power supply combined floodgate/separating brake control module.
Fig. 8 is the circuit theory diagrams of key panel Connection Block and software download seat.
Fig. 9 is the schematic diagram of indicator light circuit and action delay time adjustment circuit.
Figure 10 is the schematic diagram of 485 communicating circuits.
Figure 11 is the circuit theory diagrams of host CPU control chip.
Embodiment
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
As shown in Figure 1, the present invention includes host CPU control chip, a-power supply input module, B-source input module, a-power supply three-phase voltage signal input module, B-source three-phase voltage signal input module, a-power supply low pressure or high voltage fault signal acquisition module, B-source low pressure or high voltage fault signal acquisition module, a-power supply dead electricity signal acquisition module, B-source dead electricity signal acquisition module, a-power supply switch-on controlling module, a-power supply separating brake control module, B-source switch-on controlling module, B-source separating brake control module, key panel Connection Block, software download seat, indicator light circuit, action delay time adjustment circuit, 485 communicating circuits, external cabling terminal and over-voltage protector.
Fig. 2 is the circuit theory diagrams of external cabling terminal and over-voltage protector.External cabling terminal J1 is assemblied on the controller cover at circuit board of the present invention; After covering bonnet; Expose at rear lid case externally, all voltage signals, on off state input signal, switch control output signal, communication signal etc. are all through in the external cabling terminal access controller.Over-voltage protector comprises thermistor PM1～PM6, and thermistor is serially connected in the circuit, is low resistive state under the normal condition, guarantees the circuit operate as normal; When circuit was short-circuited or scurries into unusual big electric current, it is enough little that the self-heating of thermistor increases its impedance to be restricted to electric current, plays the overcurrent protection effect.
Fig. 3 is the circuit theory diagrams of A/B Power Entry Module.A-power supply input module and B-source input module convert input voltage A1 and input voltage B1 into 12V-A and 12V-B through digitized processing; Offer a-power supply dead electricity signal acquisition module and B-source dead electricity signal acquisition module, and a-power supply switch-on controlling module, a-power supply separating brake control module, B-source switch-on controlling module and B-source separating brake control module.A-power supply input module and B-source input module all are connected with voltage stabilizing circuit.
Fig. 4 is the circuit theory diagrams of A/B power supply three-phase voltage signal input module.A-power supply three-phase voltage signal input module converts input voltage A1, B1, C1 into IC2-10, D1-2, D3-2, D2-2 through digitized processing; B-source three-phase voltage signal input module converts input voltage A2, B2, C2 into IC3-4, D4-2, D5-2, D6-2 through digitized processing.Offer a-power supply low pressure or high voltage fault signal acquisition module and B-source low pressure or high voltage fault signal acquisition module respectively.
Fig. 5 is the circuit theory diagrams of A/B power supply low pressure or high voltage fault signal acquisition module.A-power supply low pressure or high voltage fault signal acquisition module, B-source low pressure or high voltage fault signal acquisition module are gathered the power state information that a-power supply three-phase voltage signal input module and B-source three-phase voltage signal input module are sent respectively in real time; Convert signal Apower_Er, Bpower_Er into through digitized processing, offer the host CPU control chip and handle.
Fig. 6 is the circuit theory diagrams of A/B power supply dead electricity signal acquisition module.A-power supply dead electricity signal acquisition module, B-source dead electricity signal acquisition module are gathered the power state information that a-power supply input module and B-source input module are sent respectively in real time; Convert signal Apower_Dt, Bpower_Dt into through digitized processing, offer the host CPU control chip and handle.
Fig. 7 is the circuit theory diagrams of A/B power supply combined floodgate/separating brake control module.A-power supply switch-on controlling module, a-power supply separating brake control module, B-source switch-on controlling module, B-source separating brake control module; The control command A on, B on, A off, the B off that send according to the host CPU control chip; And the 12V-A of a-power supply input module and B-source input module and 12V-B driving voltage; Output A/B power supply combined floodgate/separating brake control signal, the switching state of control twin-power switch.
Fig. 8 is the circuit theory diagrams of key panel Connection Block and software download seat.Key panel Connection Block J2 and software download seat JP1 circuit board embedded be assemblied in of the present invention mould in the shell after, expose on controller surface.The key panel Connection Block connects 3 action buttons: " on the spot/long-range " control button, a-power supply manually, the B-source manual control button, be used to be provided with the parameter and the mode of operation of twin-power switch controller.The software download seat provides a burning interface, is used for to host CPU control chip input control program.
Fig. 9 is the schematic diagram of indicator light circuit and action delay time adjustment circuit.Indicator light circuit comprises indicator light LED5～LED8.2 time dalay indicator lights are indicated the time-delay process of switch on-off; 1 automatic pilot lamp, 1 manual indicator light are indicated the manual or auto state of controller respectively.The action delay time adjustment circuit has 2 time-delay adjusting knob VR1, VR2, is used for the adjusting of switching delay time under the auto state.
Figure 10 is the schematic diagram of 485 communicating circuits.485 communicating circuit U5 are channels of host CPU control chip and external communication, accomplish the remote status of background monitoring system by this and keep watch on and controlled function.
Figure 11 is the circuit theory diagrams of host CPU control chip.Host CPU control chip IC1 is high performance processor of single chip computer, is the core cell of entire controller, and all inputs, output signal are managed control.
The above components and parts is the commercial goods.
Based on said structure, the present invention adopts the surface embedded type mounting structure, and numerous functions is integrated in moulding in the shell of an embedded assembling.On the technical foundation of original twin-power switch controller, increase by 485 communication interfaces on the circuit, increase the MODBUS communication protocol of standard on the software, make this controller possess the function that is incorporated into the power networks and monitors with intelligent building control system or other background monitoring systems; On control mode, increase " Long-distance Control " function, controller can reach the purpose of timing, Long-distance Control through the remote reserved control command on communication modes acceptance monitoring backstage after being set at " long-range " control model.
The present invention can realize agro-industrial distribution conversion, is in the commercial power side season in spring and autumn always, uses three-phase electricity A, B, C; When summer or winter peak of power consumption come temporarily, stop commercial power with regard to subregion, use single-phase agriculture electricity consumption A, A, A or B, B, B or C, C, C.Can be set to automatic or Long-distance Control, but automatic function (being exactly fail-over feature) basically need not; Automatic function changes function on the spot into.For example, commercial power is wanted three-phase, and electrofarming is single-phase, just changes A1, B1, C1 and A2, B2, C2 into: A, B, C and A, A, A; Perhaps A, B, C and B, B, B; Perhaps A, B, C and C, C, C.In fact, the power supply of an other side is to get final product by meeting A or B or C after three-phase A2, B2, the C2 short circuit.
Above-described only is preferred implementation of the present invention, the invention is not restricted to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present invention and design, all should think to be included within protection scope of the present invention.
Claims (1)
1. an intelligent duplicate power supply on-off controller is characterized in that: comprise host CPU control chip, A/B Power Entry Module, A/B power supply three-phase voltage signal input module, A/B power supply low pressure or high voltage fault signal acquisition module, A/B power supply dead electricity signal acquisition module, A/B power supply combined floodgate/separating brake control module, key panel Connection Block, software download seat, indicator light circuit, action delay time adjustment circuit, 485 communicating circuits, external cabling terminal and over-voltage protector;
Said A/B power supply low pressure or high voltage fault signal acquisition module, A/B power supply dead electricity signal acquisition module are gathered the power state information of being sent by A/B power supply three-phase voltage signal input module, A/B Power Entry Module respectively in real time; After host CPU control chip digitized processing, send the switching state of instruction to the power state information of collecting through A/B power supply combined floodgate/separating brake control module control twin-power switch by the host CPU control chip;
Said host CPU control chip is connected with key panel Connection Block, software download seat, indicator light circuit, action delay time adjustment circuit and 485 communicating circuits respectively, and all inputs, output signal are managed control; Said key panel Connection Block is used to be provided with the parameter and the mode of operation of twin-power switch controller, and said software download seat is used for to host CPU control chip input control program; Said host CPU control chip sends under-voltage, overvoltage, the open-phase fault of commands for controlling indicator light circuit display power supply, dynamically shows twin-power switch switching state; Said host CPU control chip sends the action delay time that commands for controlling action delay time adjustment circuit is provided with twin-power switch; Said 485 communicating circuits are accomplished the communication of host CPU control chip and background monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103212169A CN102801209A (en) | 2012-09-03 | 2012-09-03 | Intelligent dual-power switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103212169A CN102801209A (en) | 2012-09-03 | 2012-09-03 | Intelligent dual-power switch controller |
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| Publication Number | Publication Date |
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| CN102801209A true CN102801209A (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103212169A Pending CN102801209A (en) | 2012-09-03 | 2012-09-03 | Intelligent dual-power switch controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964246A (en) * | 2018-07-25 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of method for switching main and standby power supplies and system of test equipment |
| CN113900414A (en) * | 2020-06-22 | 2022-01-07 | 深圳绿米联创科技有限公司 | Switch configuration method and device and intelligent switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206773U (en) * | 1987-04-22 | 1988-01-06 | 吉林省梨树县农电设备修造厂 | Automatic switching over device for single-phase and three-phase operation of distribution transformer |
| CN200944539Y (en) * | 2006-08-21 | 2007-09-05 | 浙江天正电气股份有限公司 | Automatic change-over controller of double power supply |
| CN202084987U (en) * | 2011-06-08 | 2011-12-21 | 无锡金桥自动化技术有限公司 | Controller with double power switches |
| CN203086231U (en) * | 2012-09-03 | 2013-07-24 | 无锡金桥自动化技术有限公司 | Intelligent type double power switch controller |
-
2012
- 2012-09-03 CN CN2012103212169A patent/CN102801209A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206773U (en) * | 1987-04-22 | 1988-01-06 | 吉林省梨树县农电设备修造厂 | Automatic switching over device for single-phase and three-phase operation of distribution transformer |
| CN200944539Y (en) * | 2006-08-21 | 2007-09-05 | 浙江天正电气股份有限公司 | Automatic change-over controller of double power supply |
| CN202084987U (en) * | 2011-06-08 | 2011-12-21 | 无锡金桥自动化技术有限公司 | Controller with double power switches |
| CN203086231U (en) * | 2012-09-03 | 2013-07-24 | 无锡金桥自动化技术有限公司 | Intelligent type double power switch controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964246A (en) * | 2018-07-25 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of method for switching main and standby power supplies and system of test equipment |
| CN113900414A (en) * | 2020-06-22 | 2022-01-07 | 深圳绿米联创科技有限公司 | Switch configuration method and device and intelligent switch |
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Application publication date: 20121128 |