CN206422593U - Alternating Current Power Supply automatic switch-over circuit based on MSP430F149 - Google Patents
Alternating Current Power Supply automatic switch-over circuit based on MSP430F149 Download PDFInfo
- Publication number
- CN206422593U CN206422593U CN201621474352.1U CN201621474352U CN206422593U CN 206422593 U CN206422593 U CN 206422593U CN 201621474352 U CN201621474352 U CN 201621474352U CN 206422593 U CN206422593 U CN 206422593U
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- CN
- China
- Prior art keywords
- alternating current
- power supply
- circuit
- msp430f149
- voltage
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- 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.)
- Expired - Fee Related
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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
-
- 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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- Control Of Electrical Variables (AREA)
Abstract
The utility model is related to a kind of Alternating Current Power Supply automatic switch-over circuit based on MSP430F149, including core processing unit, isolation circuit, voltage signal acquisition unit, A.C. contactor control unit and two A.C. contactors, voltage acquisition unit gathers I respectively, three, II loops alternating current voltage, electric signal is connected A.C. contactor control unit simultaneously with two A.C. contactors, core processing unit is connected with voltage acquisition unit, A.C. contactor control unit electric signal respectively by isolation circuit, and core processing unit uses the single-chip microcomputer of MSP430F149 models.This circuit can gather two-way alternating current voltage in real time, determine whether the phenomenons such as lacuna, overvoltage, dead electricity, if there is the ac power circuit of above-mentioned phenomenon then timely switching system.The utility model solves the problem of operating straight-flow system Alternating Current Power Supply can not automatically switch to stand-by power supply extremely.This circuit has isolation effect good, and protective value is high, the features such as safe and reliable to operation.
Description
Technical field
The utility model is related to a kind of Alternating Current Power Supply automatic switch-over circuit, particularly relates to one kind and is based on
MSP430F149 Alternating Current Power Supply automatic switch-over circuit.
Background technology
In industrial circle, our some electrical equipments need uninterrupted power supply, general to use two-way AC-powered, one
Road is main circuit power supply, and another road powers for back-up circuit.Ensure to provide continual alternating current, power supply system for electrical equipment
System will realize that in the case of major loop alternating current dead electricity or abnormal electrical power supply electric power system can be automatic from main circuit power supply switching
Powered to back-up circuit, and major loop alternating current recover it is normal in the case of electric power system automatic can be powered from back-up circuit it is extensive
Main circuit power supply is arrived again.It is that ought exchange dead electricity or the situation of abnormal electrical power supply all the way according to conventional electrical equipment, generally requires people
Work manual mode is switched to another road alternating current and is powered, it is impossible to ensure the uninterrupted power supply of equipment.
The content of the invention
The purpose of this utility model is to solve the problems, such as that AC electric equipment uninterrupted power supply is based on there is provided one kind
MSP430F149 Alternating Current Power Supply automatic switch-over circuit, ensure that the continuity of Alternating Current Power Supply.
The electricity that the utility model seeks to solve the above problems and realizes the automatic switchover of electrical equipment alternating current and invent
Road.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of Alternating Current Power Supply based on MSP430F149
Automatic switch-over circuit, including core processing unit, isolation circuit, voltage signal acquisition unit, A.C. contactor control unit and
Two A.C. contactors, voltage acquisition unit gathers I, three, I I loops alternating current voltage, A.C. contactor control unit respectively
With two A.C. contactors simultaneously electric signal be connected, core processing unit by isolation circuit respectively with voltage acquisition unit, friendship
The connection of contactor control unit electric signal is flowed, core processing unit uses the single-chip microcomputer of MSP430F149 models.
This circuit can gather two-way alternating current voltage in real time, determine whether the phenomenons such as lacuna, overvoltage, dead electricity, if
There is the Alternating Current Power Supply of above-mentioned phenomenon then automatic switching apparatus.It is abnormal that the utility model solves operating equipment Alternating Current Power Supply
The problem of stand-by power supply can not being automatically switched to.This circuit has isolation effect good, and protective value is high, safe and reliable to operation to wait special
Point.
Brief description of the drawings
Fig. 1 is this schematic block circuit diagram；Wherein 1, core processing unit, 2, voltage signal acquisition unit, 3, ac contactor
Device control unit, 4, A.C. contactor, 5, isolation circuit；
Fig. 2 is voltage signal acquisition element circuit figure；
Fig. 3 is A.C. contactor control unit circuit diagram.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment 1
As shown in figure 1, a kind of Alternating Current Power Supply automatic switch-over circuit based on MSP430F149, including core processing unit,
Isolation circuit, voltage signal acquisition unit, A.C. contactor control unit and two A.C. contactors, voltage acquisition unit difference
Collection I, three, II loops alternating current voltage, electric signal is connected A.C. contactor control unit simultaneously with two A.C. contactors,
Core processing unit is connected with voltage acquisition unit, A.C. contactor control unit electric signal respectively by isolation circuit, core
Processing unit uses the single-chip microcomputer of MSP430F149 models.It is core by MSP430F149, I is gathered respectively by gathering entrance,
Three voltages of II roads alternating current, the I collected, magnitude of voltage needed for the alternating current voltage of three, II roads compares, and judges whether voltage
Transfinite, if having lacuna, by the corresponding P1 mouthfuls of output low and high levels of MSP430F149.
Embodiment 2
Voltage signal acquisition unit
Such as Fig. 2, including operational amplifier U1, U2 and voltage-frequency conversion chip U3.First by 0~380V of alternating current 3 friendships
The DC voltage that piezoelectric voltage exports 0~3VDC via voltage transformer is flowed, analog quantity is done enhanced processing by operational amplifier,
The analog quantity for collecting 0~3VDC is converted to frequency by voltage-frequency conversion chip AD654 again and gives MSP430F149, is carried out internal
Sequential operation processing.Alternating voltage current signal, is changed into digital quantity from analog quantity, passed to by voltage signal acquisition unit
MSP430F149 core processings part, then handled by MSP430F149 calculating, control signal is passed to control section, passed through
Control section controls A.C. contactor, realizes that exchange is automatically switched
Embodiment 4
A.C. contactor control unit
As shown in figure 3, including pull-up resistor R1, R2, latch SN74LS373DW 6, pull-up resistor R3, R4, optocoupler 7,
Relay driving chip 8 and relay 9.By the I collected, three, II roads alternating voltage respectively with set range of voltage values phase
Compare, if voltage transfinite or lacuna situation, then MSP430F149 P1 mouths export corresponding low and high level, R1, R2
For pull-up resistor, be effectively guaranteed P1 mouthfuls of output low and high levels, control signal sent by light-coupled isolation, driving rear class after
Electrical equipment, by the division of the contact of relay, to control the adhesive and separation of two-way A.C. contactor, makes up to preferable friendship
Flow automatic switching scheme.
Claims (1)
1. a kind of Alternating Current Power Supply automatic switch-over circuit based on MSP430F149, including core processing unit, isolation circuit, voltage
Signal gathering unit, A.C. contactor control unit and two A.C. contactors, voltage acquisition unit gather I, II loops respectively
Three alternating current voltages, electric signal is connected A.C. contactor control unit simultaneously with two A.C. contactors, core processing unit
It is connected respectively with voltage acquisition unit, A.C. contactor control unit electric signal by isolation circuit, it is characterized in that：Core processing
Unit uses the single-chip microcomputer of MSP430F149 models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474352.1U CN206422593U (en) | 2016-12-30 | 2016-12-30 | Alternating Current Power Supply automatic switch-over circuit based on MSP430F149 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474352.1U CN206422593U (en) | 2016-12-30 | 2016-12-30 | Alternating Current Power Supply automatic switch-over circuit based on MSP430F149 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422593U true CN206422593U (en) | 2017-08-18 |
Family
ID=59574859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621474352.1U Expired - Fee Related CN206422593U (en) | 2016-12-30 | 2016-12-30 | Alternating Current Power Supply automatic switch-over circuit based on MSP430F149 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797482A (en) * | 2017-09-08 | 2018-03-13 | 山东锦华电力设备有限公司 | Controlling of sampling sequential system and method based on ARM FPGA |
| CN109947041A (en) * | 2019-03-15 | 2019-06-28 | 广东萨米特陶瓷有限公司 | Roller way kiln transmission control part divides intelligent standby system |
-
2016
- 2016-12-30 CN CN201621474352.1U patent/CN206422593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797482A (en) * | 2017-09-08 | 2018-03-13 | 山东锦华电力设备有限公司 | Controlling of sampling sequential system and method based on ARM FPGA |
| CN109947041A (en) * | 2019-03-15 | 2019-06-28 | 广东萨米特陶瓷有限公司 | Roller way kiln transmission control part divides intelligent standby system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170818 Termination date: 20191230 |