CN206302207U - A kind of power-supply management system for being automatically obtained main power supply switching - Google Patents
A kind of power-supply management system for being automatically obtained main power supply switching Download PDFInfo
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- CN206302207U CN206302207U CN201621378279.8U CN201621378279U CN206302207U CN 206302207 U CN206302207 U CN 206302207U CN 201621378279 U CN201621378279 U CN 201621378279U CN 206302207 U CN206302207 U CN 206302207U
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- 230000005669 field effect Effects 0.000 claims abstract description 72
- 239000004065 semiconductor Substances 0.000 claims abstract description 71
- 230000000694 effects Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a kind of power-supply management system for being automatically obtained main power supply switching, through resistance R7, resistance R8 to metal-oxide-semiconductor field effect transistor Q7, Q7 is turned on, Q7 is output as low level, metal-oxide-semiconductor field effect transistor Q6 ends, triode Q2 is turned on through resistance R2, by the voltage pull-down of Q2 to low level, metal-oxide-semiconductor field effect transistor Q1 conductings.Press switch key and detect I/O mouthfuls of output high level, triode Q4 conductings, level step-down, triode Q3 conductings, voltage output to equipment through main control module.When main power supply is not powered, system will automatically switch to stand-by power supply, and voltage turns on Q6 through resistance R6, Q6 level step-downs, and metal-oxide-semiconductor field effect transistor Q5 conductings, its operation principle is identical when being powered with main power supply.Main power supply switching is automatically obtained, uninterrupted power supply is realized, it is ensured that the operation of controller, remote power-off can be also realized.
Description
Technical field
The utility model is related to a kind of Power transfer system, and especially a kind of power-off is automatically obtained main power supply switching
Power-supply management system.
Background technology
In Based Intelligent Control, in order to ensure the good operation of equipment, generally require to carry out battery to equipment to power and power supply
Power supply is powered simultaneously, and also some important alarm circuits are not allow to stop because mains failure or main power supply break down
Only work, this is required for setting stand-by power supply, once power supply is powered go wrong, it is necessary to quickly be switched to stand-by power supply.With
Preceding control uses relay mode, handoff procedure separated in existing, and cannot realize soft-off or remote power-off.
Utility model content
The purpose of this utility model is to provide a kind of power-supply management system for being automatically obtained main power supply switching, is automatically obtained
Main power supply switches, and realizes uninterrupted power supply, it is ensured that the operation of controller, can also realize remote power-off.
It is a kind of be automatically obtained main power supply switching power-supply management system, input respectively with main power supply and reserve battery
Connection, output end output supply voltage, control end is connected with main control module, the output end of main power supply and one end of resistance R7,
One end connection of resistance R8, diode D2 and resistance R7, resistance R8 are connected in parallel, the negative electrode and metal-oxide-semiconductor field effect transistor of diode D7
The grid connection of Q7, the source ground of metal-oxide-semiconductor field effect transistor Q7, the drain electrode of metal-oxide-semiconductor field effect transistor Q7 is respectively with metal-oxide-semiconductor field effect transistor Q6's
One end connection of grid and resistance R6, the source electrode of metal-oxide-semiconductor field effect transistor Q6 is connected with the anode of LED 2, light-emitting diodes
The negative electrode of pipe LED2 is connected with the grid of metal-oxide-semiconductor field effect transistor Q6, the drain electrode of metal-oxide-semiconductor field effect transistor Q6 respectively with one end of resistance R5 and
The grid connection of metal-oxide-semiconductor field effect transistor Q5, the source electrode of metal-oxide-semiconductor field effect transistor Q5 is connected with the other end of resistance R5, metal-oxide-semiconductor field effect transistor Q5
Drain electrode be connected with the other end of resistance R6 and the positive pole of battery BT respectively, the minus earth of battery BT；
Drain electrode of the output end of main power supply respectively with one end and metal-oxide-semiconductor field effect transistor Q1 of resistance R2 is connected, resistance R2's
The other end is connected with the base stage of triode Q2, and light-emitting diodes end LED1, three poles are concatenated between the emitter stage and base stage of triode Q2
The colelctor electrode of pipe Q2 one end respectively with resistance R1, the source class of metal-oxide-semiconductor field effect transistor Q1 are connected, the grid of metal-oxide-semiconductor field effect transistor Q1 with
The other end connection of resistance R1；
Drain electrode of the source electrode of metal-oxide-semiconductor field effect transistor Q1 respectively with one end and metal-oxide-semiconductor field effect transistor Q3 of resistance R3 is connected, MOS
The anode of the grid of the effect pipe Q3 other end, the colelctor electrode of triode Q4 and diode D1 respectively with resistance R3 is connected, three poles
The grounded emitter of pipe Q4, the base stage of triode Q4 is connected with one end of resistance R4, the other end and the main control module of resistance R4
I/O mouthfuls of connection, the negative electrode of diode D1 is connected with key switch S, the source electrode output supply voltage of metal-oxide-semiconductor field effect transistor Q3.
Further, metal-oxide-semiconductor field effect transistor Q1, metal-oxide-semiconductor field effect transistor Q3, metal-oxide-semiconductor field effect transistor Q5 are P-channel enhancement type field-effect
Pipe；Metal-oxide-semiconductor field effect transistor Q6, metal-oxide-semiconductor field effect transistor Q7 are N-channel enhancement mode FET, resistance R1, resistance R3, resistance R5, resistance
R6, the resistance of resistance R8 are 33.2K Ω, and resistance R2, resistance R4, the resistance of resistance R7 are 1K Ω.
The beneficial effects of the utility model are,
1st, realize that main power supply switches using hardware plan, it is ensured that be switched fast, controller is powered off in main power supply
When can not shut down and switch to stand-by power supply, real stand-by power supply is powered and turn off all the way when be input into now with main power supply, without leading
Power supply source is then switched to stand-by power supply and powers.
2nd, switching supervisor employs metal-oxide-semiconductor field effect transistor, realizes that low pressure drop switches, and reduces power supply circuit power consumption.
3rd, devise triode Q4, resistance R4, metal-oxide-semiconductor field effect transistor Q3, resistance R3, diode D1 constitute manual start and
The circuit of software control shutdown, presses switch key and detects that, in I/O mouthfuls of output high level, Q4 conductings, level becomes through main control module
Low Q3 conductings, voltage output to equipment, the I/O level of remote control main control module output carrys out the switching on and shutting down of control system.
4th, reversal connection power indicating circuit is devised, warning function is played, it is ensured that the correctness of input power, LED1 is electricity
Pressing tongs prevents excessive backward voltage the BE junction breakdowns of Q2 in 1.2V or so.
Brief description of the drawings
Fig. 1 is the power-supply management system circuit diagram for being automatically obtained main power supply switching.
Specific embodiment
As shown in figure 1, it is a kind of be automatically obtained main power supply switching power-supply management system, input respectively with main power supply
Connected with reserve battery, output end output supply voltage, control end is connected with main control module, the output end and resistance of main power supply
One end connection of one end, resistance R8 of R7, diode D2 and resistance R7, resistance R8 are connected in parallel, the negative electrode and MOS of diode D7
The grid connection of FET Q7, the source ground of metal-oxide-semiconductor field effect transistor Q7, the drain electrode of metal-oxide-semiconductor field effect transistor Q7 is imitated with MOS respectively
Should pipe Q6 grid and resistance R6 one end connection, the source electrode of metal-oxide-semiconductor field effect transistor Q6 is connected with the anode of LED 2,
The negative electrode of LED 2 is connected with the grid of metal-oxide-semiconductor field effect transistor Q6, the drain electrode of metal-oxide-semiconductor field effect transistor Q6 respectively with resistance R5
One end and metal-oxide-semiconductor field effect transistor Q5 grid connection, the source electrode of metal-oxide-semiconductor field effect transistor Q5 is connected with the other end of resistance R5, MOS
The drain electrode of effect pipe Q5 is connected with the other end of resistance R6 and the positive pole of battery BT respectively, the minus earth of battery BT.
Drain electrode of the output end of main power supply respectively with one end and metal-oxide-semiconductor field effect transistor Q1 of resistance R2 is connected, resistance R2's
The other end is connected with the base stage of triode Q2, and light-emitting diodes end LED1, three poles are concatenated between the emitter stage and base stage of triode Q2
The colelctor electrode of pipe Q2 one end respectively with resistance R1, the source class of metal-oxide-semiconductor field effect transistor Q1 are connected, the grid of metal-oxide-semiconductor field effect transistor Q1 with
The other end connection of resistance R1.
Drain electrode of the source electrode of metal-oxide-semiconductor field effect transistor Q1 respectively with one end and metal-oxide-semiconductor field effect transistor Q3 of resistance R3 is connected, MOS
The anode of the grid of the effect pipe Q3 other end, the colelctor electrode of triode Q4 and diode D1 respectively with resistance R3 is connected, three poles
The grounded emitter of pipe Q4, the base stage of triode Q4 is connected with one end of resistance R4, the other end and the main control module of resistance R4
I/O mouthfuls of connection, the negative electrode of diode D1 is connected with key switch S, the source electrode output supply voltage of metal-oxide-semiconductor field effect transistor Q3.
The circuit mainly realizes the switching of main power supply using metal-oxide-semiconductor field effect transistor, triode and partial ohmic.In figure
Metal-oxide-semiconductor field effect transistor Q1, metal-oxide-semiconductor field effect transistor Q3, metal-oxide-semiconductor field effect transistor Q5 are P-channel enhancement type FET, and grid connects low level and touches
Hair；Metal-oxide-semiconductor field effect transistor Q6, metal-oxide-semiconductor field effect transistor Q7 are N-channel enhancement mode FET, and grid connects high level triggering.Resistance R1,
Resistance R3, resistance R5, resistance R6, the resistance of resistance R8 are 33.2K Ω, and resistance R2, resistance R4, the resistance of resistance R7 are 1K Ω.
The wherein effect of LED1 is to prevent power supply reversed, is served as warning, and voltage clamp is prevented excessive reverse electricity in 1.2V or so
The BE junction breakdowns of pressure handle Q2.I/O mouthfuls of master control module controls is used by exporting low and high level come control system switching on and shutting down
Metal-oxide-semiconductor control is intended to the power consumption of control circuit to be preferably minimized, while added an interlocking, when thering is main power supply to power, standby electricity
Source powers and turn off all the way, stand-by power supply is then switched to if no D/C power and is powered.
When connecing main power supply, a part of voltage is led through resistance R7, resistance R8 to metal-oxide-semiconductor field effect transistor Q7, metal-oxide-semiconductor field effect transistor Q7
It is logical, it is output as low level through metal-oxide-semiconductor field effect transistor Q7, metal-oxide-semiconductor field effect transistor Q6 cut-offs, a part of voltage is through resistance R2 by triode Q2
Conducting, by the voltage pull-down of triode Q2 to low level, metal-oxide-semiconductor field effect transistor Q1 conductings.Switch key is pressed to be examined through main control module
Measure I/O mouthfuls of output high level, triode Q4 conductings, level step-down, triode Q3 conductings, voltage output to equipment.
When main power supply is not powered, system will automatically switch to stand-by power supply, and voltage is through resistance R6 by metal-oxide-semiconductor field effect transistor
Q6 is turned on, metal-oxide-semiconductor field effect transistor Q6 level step-downs, metal-oxide-semiconductor field effect transistor Q5 conductings, and its operation principle and main power supply are powered phase
Together.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (2)
1. a kind of to be automatically obtained the power-supply management system that main power supply switches, input connects with main power supply and reserve battery respectively
Connect, output end output supply voltage, control end is connected with main control module, it is characterised in that the output end and resistance of main power supply
One end connection of one end, resistance R8 of R7, diode D2 and resistance R7, resistance R8 are connected in parallel, the negative electrode and MOS of diode D7
The grid connection of FET Q7, the source ground of metal-oxide-semiconductor field effect transistor Q7, the drain electrode of metal-oxide-semiconductor field effect transistor Q7 is imitated with MOS respectively
Should pipe Q6 grid and resistance R6 one end connection, the source electrode of metal-oxide-semiconductor field effect transistor Q6 is connected with the anode of LED 2,
The negative electrode of LED 2 is connected with the grid of metal-oxide-semiconductor field effect transistor Q6, the drain electrode of metal-oxide-semiconductor field effect transistor Q6 respectively with resistance R5
One end and metal-oxide-semiconductor field effect transistor Q5 grid connection, the source electrode of metal-oxide-semiconductor field effect transistor Q5 is connected with the other end of resistance R5, MOS
The drain electrode of effect pipe Q5 is connected with the other end of resistance R6 and the positive pole of battery BT respectively, the minus earth of battery BT；
Drain electrode of the output end of main power supply respectively with one end and metal-oxide-semiconductor field effect transistor Q1 of resistance R2 is connected, and resistance R2's is another
End is connected with the base stage of triode Q2, and light-emitting diodes end LED1, triode Q2 are concatenated between the emitter stage and base stage of triode Q2
Colelctor electrode one end respectively with resistance R1, the source class of metal-oxide-semiconductor field effect transistor Q1 be connected, the grid and resistance of metal-oxide-semiconductor field effect transistor Q1
The other end connection of R1；
Drain electrode of the source electrode of metal-oxide-semiconductor field effect transistor Q1 respectively with one end and metal-oxide-semiconductor field effect transistor Q3 of resistance R3 is connected, MOS field-effects
The anode of the grid of the pipe Q3 other end, the colelctor electrode of triode Q4 and diode D1 respectively with resistance R3 is connected, triode Q4
Grounded emitter, the base stage of triode Q4 is connected with one end of resistance R4, the other end of resistance R4 with the I/O of main control module mouthfuls
Connection, the negative electrode of diode D1 is connected with key switch S, the source electrode output supply voltage of metal-oxide-semiconductor field effect transistor Q3.
2. it is a kind of as claimed in claim 1 to be automatically obtained the power-supply management system that main power supply switches, it is characterised in that MOS
FET Q1, metal-oxide-semiconductor field effect transistor Q3, metal-oxide-semiconductor field effect transistor Q5 are P-channel enhancement type FET；Metal-oxide-semiconductor field effect transistor Q6, MOS
FET Q7 is N-channel enhancement mode FET, and resistance R1, resistance R3, resistance R5, resistance R6, the resistance of resistance R8 are
33.2K Ω, resistance R2, resistance R4, the resistance of resistance R7 are 1K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378279.8U CN206302207U (en) | 2016-12-15 | 2016-12-15 | A kind of power-supply management system for being automatically obtained main power supply switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378279.8U CN206302207U (en) | 2016-12-15 | 2016-12-15 | A kind of power-supply management system for being automatically obtained main power supply switching |
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| Publication Number | Publication Date |
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| CN206302207U true CN206302207U (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378279.8U Withdrawn - After Issue CN206302207U (en) | 2016-12-15 | 2016-12-15 | A kind of power-supply management system for being automatically obtained main power supply switching |
Country Status (1)
| Country | Link |
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| CN (1) | CN206302207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787129A (en) * | 2016-12-15 | 2017-05-31 | 山东金洲科瑞节能科技有限公司 | A kind of power-supply management system for being automatically obtained main power supply switching |
| CN107482755A (en) * | 2017-08-10 | 2017-12-15 | 合肥联宝信息技术有限公司 | The electric power switching method and switching circuit of a kind of electronic equipment |
-
2016
- 2016-12-15 CN CN201621378279.8U patent/CN206302207U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787129A (en) * | 2016-12-15 | 2017-05-31 | 山东金洲科瑞节能科技有限公司 | A kind of power-supply management system for being automatically obtained main power supply switching |
| CN106787129B (en) * | 2016-12-15 | 2023-11-21 | 山东金洲科瑞节能科技有限公司 | Power management system capable of automatically realizing switching between main power supply and standby power supply |
| CN107482755A (en) * | 2017-08-10 | 2017-12-15 | 合肥联宝信息技术有限公司 | The electric power switching method and switching circuit of a kind of electronic equipment |
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| Date | Code | Title | Description |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20231121 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20231121 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |