CN206517137U - A kind of three power supply double circuit power supply systems - Google Patents

A kind of three power supply double circuit power supply systems Download PDF

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Publication number
CN206517137U
CN206517137U CN201621021627.6U CN201621021627U CN206517137U CN 206517137 U CN206517137 U CN 206517137U CN 201621021627 U CN201621021627 U CN 201621021627U CN 206517137 U CN206517137 U CN 206517137U
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power supply
power
source
automatic switchover
circuit
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CN201621021627.6U
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Chinese (zh)
Inventor
肖中恒
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Gaoxin Xinmei Technology Co., Ltd.
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POLYTRON TECHNOLOGIES Inc
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Abstract

A kind of three power supply double circuit power supply systems, including:Battery pack, the first power supply, second source, uninterrupted power source and double loop automatic switchover system, wherein, first power supply is connected with the uninterrupted power source;The battery pack is connected with the uninterrupted power source;The uninterrupted power source is connected with first power supply, the battery pack, the double loop automatic switchover system respectively;The second source is connected with the double loop automatic switchover system.The double loop automatic switchover system is connected with the uninterrupted power source, second source, load system respectively.The utility model provides a kind of the utility model and provides a kind of electric power system for many power supplys for automatically switching and extending power supply, can reduce invasion of the civil power power-off to user.

Description

A kind of three power supply double circuit power supply systems
Technical field
The utility model is related to power supply technique field, and in particular to a kind of three power supplys double circuit power supply system.
Background technology
In traditional electric supply system, more using two kinds of sides of single power supply or single power supply and uninterrupted power source Formula is powered.During using single power supply, once circuit or electric power system go wrong, whole load system is paralysed immediately;Adopt During with single power supply and uninterrupted power source associating power supply, when the paralysis of electric power system circuit, because uninterrupted power source electricity is small, power supply Time is shorter, if rushing to repair not in time or repairing, time-consuming, and uninterrupted power source battery electric power exhausts, and whole load system also can paralysis Paralysis;It is same when uninterrupted power source goes wrong, once load system is paralysed, massive losses can be brought to factory, hospital etc.. Therefore an electric power system that power-on time is longer, stability is higher is needed now.
The content of the invention
Further to extend the power-on time of existing electric power system, the utility model provides a kind of three power supplys double circuit power supply System, including:First power supply, uninterrupted power source, second source and double loop automatic switchover system;
First power supply, uninterrupted power source and double loop automatic switchover system constitute the first loop;Wherein second source and double Loop automatic switchover system constitutes second servo loop;
Uninterrupted power source is connected with the first power supply, double loop automatic switchover system respectively;
Second source is connected with double loop automatic switchover system;
Double loop automatic switchover system is connected with uninterrupted power source, second source, load respectively, for selecting to supply for load The power supply of electricity;
First power supply is AC power, and second source is AC power or uninterrupted power source;First power supply is preferential power supply Power supply, when the first power supply occurs abnormal, uninterrupted power source is load supplying, when the first power supply and uninterrupted power source occur it is different Chang Shi, it is load supplying that double loop automatic switchover system, which is controlled by second source, and when the first power up, double loop is cut automatically Changing system controls the first power source loads to power.
Further, the three power supplys double circuit power supply system also include large-capacity battery pack, large-capacity battery pack with not Uninterruptible power is connected, and controls large-capacity battery pack to be load supplying by uninterrupted power source.
Further, the double loop automatic switchover system includes:Switching circuit and rectification unit, switching circuit and load Between be also associated with rectification unit;Two groups of symmetrical configurations that switching circuit is made up of relay J1 and relay J2 and its contact Switching circuit is constituted, the connection corresponding with the input of switching circuit respectively of two-way external power source, and the output of two groups of switching circuits is simultaneously It is linked togather and is connected with electrical equipment;Relay J1 or relay J2 at least include a pair of normally opened contacts J1-1 or J2-1, J1-2 or J2-2, J1-3 or J2-3, and at least include a pair of normally-closed contacts J1-4 or J2-4, J1-5 or J2-5, external power source It is connected respectively by normally-closed contact J1-4 or J2-4 with relay J1 or relay J2 power supply terminal, J1-2 and J2-5 series connection It is in parallel with J2-4 afterwards, J2-2 and J1-5 series connection after it is in parallel with J1-4.
Further, the rectification unit includes:Polarity judging unit, control unit, Auxiliary Power Units, selecting unit And rectification circuit;
Polarity judging unit, is connected with switching circuit, the polarity for judging switching circuit voltage signal, and according to voltage The polarity of signal, which is produced, judges signal;
Control unit, is connected with Auxiliary Power Units and polarity judging unit, for according to judge signal output control letter Number;
Auxiliary Power Units, are connected with control unit and selecting unit, for according to control signal output current signal;
Selecting unit, it is in parallel with rectification circuit, and be connected with Auxiliary Power Units, for exporting electricity according to control signal Pressure;
Rectification circuit, it is in parallel and be connected with load with selecting unit, for the carry out rectification to erratic current.
Further, the double loop automatic switchover system also includes power supply indicator, and power supply indicator is first and the Two light emitting diode D1, D2, the first light emitting diode D1 are connected in parallel on the input in the first loop after being connected with J1-3, second lights Diode D2 is connected in parallel on the input of second servo loop after being connected with J2-3.
Further, three power supply double circuit power supply system, double loop automatic switchover system built-in hand-operated switching switch K1, hand Dynamic switching switch K1 is connected between relay J1 normally opened contacts J1-1 and rectification unit, for the power supply circuit choosing controlled manually Select.
The beneficial effects of the utility model are the provision of three power supplies and double loop automatic switchover system, improve The reliability of power supply and flexibility, extend power-on time;Hand switch K1 setting, for the maintenance side of providing of power supply circuit Just;The setting of power supply indicator, may indicate that the current supply circuit used;Rectification unit, by rectification circuit to high-tension current Rectification is carried out, low-tension current is realized to load by polarity judging unit, control unit, Auxiliary Power Units and selecting unit Power and be not required to by rectifier circuit rectifies, reached the function of supply current low-power consumption rectification.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of three power supply double circuit power supply system of the utility model one.
Fig. 2 is the embodiment of double loop automatic switchover system one in the power supply double circuit power supply system of the utility model three Circuit diagram.
Fig. 3 be the power supply double circuit power supply system of the utility model three in the embodiment of rectification unit one structural representation Figure.
Embodiment
Fig. 1 is the structural representation of the embodiment of three power supply double circuit power supply system of the utility model one.
Label declaration
1 First power supply
2 Large-capacity battery pack
3 Uninterrupted power source
4 Second source
5 Double loop automatic switchover system
6 Load
Fig. 2 is the circuit diagram of the embodiment of double loop automatic switchover system one in the utility model.
Label declaration
51 Rectification unit
52 Switching circuit
Major components symbol description
J1、J2 Relay
J1-1 is to J1-5, J2-1 to J2-5 Relay contact
K1 Hand switch
D1 Light emitting diode
Fig. 3 is the structural representation of the embodiment of rectification unit one in the utility model.
Label declaration
511 Polarity judging unit
512 Control unit
513 Auxiliary Power Units
514 Selecting unit
515 Rectification unit
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Fig. 1 is refer to, is the embodiment structural representation of three power supply double circuit power supply system of the utility model one, three power supplys Double circuit power supply system includes:Large-capacity battery pack 1, the first power supply 2, uninterrupted power source 3, second source 4 and double loop are automatic Switching system 5.Wherein the first power supply 2, large-capacity battery pack 1, uninterrupted power source 3 and double loop automatic switchover system 5 constitute the Primary Ioops;Wherein second source 4 and double loop automatic switchover system 5 constitute second servo loop;First power supply 2 and uninterrupted power source 3 are connected, and large-capacity battery pack 1 is connected 3 with uninterrupted power source, uninterrupted power source 3 respectively with the first power supply 2, large-capacity battery pack 1st, double loop automatic switchover system 5 is connected;Second source 4 is connected with double loop automatic switchover system 5;Double loop, which is automatically switched, is System 5 is connected with uninterrupted power source 3, second source 4, load 6 respectively.First power supply 2 is AC power, and second source 4 is exchange Power supply.
Under normal circumstances, the first power supply 2 is preferential power supply, when the first power supply 2 occurs abnormal, uninterrupted power source 3 It is load supplying to control large-capacity battery pack 1 or uninterrupted power source 3, when the first power supply 2, large-capacity battery pack 1 and uninterrupted When power supply 3 occurs abnormal, the control second source 4 of double circuit automatic switchover system 5 is load supplying, as the first power supply 2, great Rong When measuring battery pack 1 or high capacity cell recovery, double circuit automatic switchover system the first power supply 2 of control or large-capacity battery pack 1 are Load supplying.
The utility model provides three power supplies, and two loops, by the automatic switchover between power supply and loop, The reliability and stability of power supply can be improved.
Fig. 2 is refer to, is the electricity of double circuit automatic switchover system 5 in the power supply double circuit electric power system of the utility model three Road schematic diagram, double circuit automatic switchover system 5 includes:Switching circuit 52 and rectification unit 51, switching circuit 51 and rectification unit 51 are sequentially connected in series, the switching circuit for two groups of symmetrical configurations that switching circuit is made up of relay J1 and relay J2 and its contact, Two-way external power source respectively it is corresponding with the input of switching circuit connection, the output-parallel of two groups of switching circuits together and with it is whole Flow unit connection;Relay J1 or relay J2 at least include a pair of normally opened contacts J1-1 or J2-1, J1-2 or J2-2, J1-3 or J2-3, and at least include a pair of normally-closed contacts J1-4 or J2-4, J1-5 or J2-5, external power source passes through normally-closed contact respectively J1-4 or J2-4 is connected with relay J1 or relay J2 power supply terminal, J1-2 and J2-5 series connection after, J2- in parallel with J2-4 It is in parallel with J1-4 after 2 and J1-5 series connection.Wherein double loop automatic switchover system 5 is provided with power supply indicator (not indicating), and power supply refers to It is light emitting diode D1, D2 to show lamp, and D1 is connected in parallel on the input in the first loop after being connected with J1-3, D2 is in parallel after being connected with J2-3 In the input of second servo loop, switching switch K1, MTS the K1 series connection of the built-in hand-operated of double loop automatic switchover system 5 Between J1 relay normally open contacts J1-1 and rectification unit 51, available for the power supply circuit selection controlled manually.
The course of work of this double loop automatic switchover system 5:Hand switch K1 is in closure state, and the first loop is used as electricity During source output terminal, relay J1 is set to work by J2-4 normally-closed contacts, when relay J1 works, J1-2 normally opened contacts closure, Line conduction, power supply U1 provides operating voltage or electric current, shape by J1-2 normally opened contacts and J2-5 normally-closed contacts for relay J1 Into work self-locking, meanwhile, J1-3 normally opened contacts closure, relay indicating light D1 dispaly states are " work ", and J1-1 normally opened contacts are closed Close, line conduction, provide operating voltage for load 6 or electric current, at the same time, J1-4 normally-closed contacts and J1-5 normally-closed contacts are equal Disconnect, relay J2 does not work, power input U2 can not be to provide operating voltage or electric current with load 6
When first loop electric power output is abnormal, second servo loop output is as power output end, now, J1-4 normally-closed contacts and J1-5 normally-closed contacts are closed, line conduction, recover normally off, and relay J2 is started by J1-4 normally-closed contacts formation loop Work, J2-2 normally opened contacts closure, line conduction, relay J2 is formed certainly by J2-2 normally opened contacts and J1-5 normally-closed contacts Lock, meanwhile, J2-3 normally opened contacts closure, line conduction, relay indicating light D2 dispaly states are " work ", and J2-1 normally opened contacts are closed Close, line conduction, operating voltage or electric current are provided for load 6, at the same time, J2-4 normally-closed contacts and J2-5 normally-closed contacts are disconnected Open, relay J1 does not work.
When needing control manually, hand switch K1 is disconnected, second servo loop output is used as power output end, now, J1-4 Normally-closed contact and J1-5 normally-closed contacts closure, line conduction, recover normally off, relay J2 passes through J1-4 normally-closed contact shapes Into loop, start working, J2-2 normally opened contacts closure, line conduction, relay J2 is normally closed by J2-2 normally opened contacts and J1-5 Contact forms self-locking, meanwhile, J2-3 normally opened contacts closure, line conduction, relay indicating light D2 dispaly states are " work ", J2-1 Normally opened contact is closed, line conduction, provides operating voltage for load 6 or electric current, at the same time, J2-4 normally-closed contacts and J2-5 are normal Closed contact disconnects, and relay J1 does not work.
In this double loop automatic switchover system 5, switching circuit 52 is to be made up of entirely electronic component, automatic switchover reaction speed It hurry up, cost is relatively low.Power supply circuit is controlled to be second servo loop by the first loop switch by hand control switch K1, simultaneously because work Make indicator lamp D1 presence, the electric power loop that is using of visual indication.
It refer to Fig. 3,
Fig. 3 be the power supply double circuit power supply system of the utility model three in the embodiment of rectification unit 51 1 structural representation Figure.Rectification unit 51 includes:Polarity judging unit 511, control unit 512, Auxiliary Power Units 513, selecting unit 514 with And rectification circuit 515;Polarity judging unit 511, is connected with switching circuit 52, the pole for judging the voltage signal of switching circuit 52 Property, and signal is judged according to the generation of the polarity of voltage signal;Control unit 512, judges single with Auxiliary Power Units 513 and polarity Member 511 is connected, for according to judging signal output control signal;Auxiliary Power Units 513, it is single with control unit 512 and selection Member 514, for according to control signal output current signal;Selecting unit 514, it is in parallel with rectification circuit 515, and and accessory power supply Unit 513 is connected, for according to control signal output voltage;Rectification circuit 515, it is in parallel with selecting unit 514 and with load 6 connect Connect, the rectification for erratic current.
The beneficial effect of rectification unit 51 is by rectification circuit 515 that to high-tension current progress rectification simple passes through Rectification circuit 515, which carries out rectification, can cause than larger power consumption, can not be led to when voltage is relatively low by the rectification of rectification circuit 515 Crossing polarity judging unit 511, control unit 512, Auxiliary Power Units 513 and selecting unit 514 realizes low-tension current to negative Carry 6 power supplies and be not required to by rectifier circuit rectifies, reach the function of supply current low-power consumption rectification.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area Technical staff for, it is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc., It should be included within protection domain of the present utility model.

Claims (3)

1. a kind of three power supplys double circuit power supply system, it is characterised in that:
The electric power system includes the first power supply, uninterrupted power source, second source and double loop automatic switchover system;First electricity Source, uninterrupted power source and double loop automatic switchover system constitute the first loop;Second source and double loop automatic switchover system Constitute second servo loop;Uninterrupted power source is connected with the first power supply, double loop automatic switchover system respectively;Second source and double loop Automatic switchover system is connected;Double loop automatic switchover system is connected with uninterrupted power source, second source, load respectively;
The double loop automatic switchover system includes:Switching circuit and rectification unit, are also associated between switching circuit and load Rectification unit;
The switching circuit for two groups of symmetrical configurations that the switching circuit is made up of relay J1 and relay J2 and its contact is constituted, Two-way external power source respectively it is corresponding with the input of switching circuit connection, the output-parallel of two groups of switching circuits together and with Electric equipment is connected;Relay J1 or relay J2 at least include a pair of normally opened contacts J1-1 or J2-1, J1-2 or J2-2, J1-3 or J2-3, and at least include a pair of normally-closed contacts J1-4 or J2-4, J1-5 or J2-5, external power source passes through normally-closed contact respectively J1-4 or J2-4 is connected with relay J1 or relay J2 power supply terminal, J1-2 and J2-5 series connection after, J2-2 in parallel with J2-4 It is in parallel with J1-4 after being connected with J1-5;
The rectification unit includes:Polarity judging unit, control unit, Auxiliary Power Units, selecting unit and rectification circuit; Polarity judging unit, is connected with switching circuit;Control unit, is connected with Auxiliary Power Units and polarity judging unit;Auxiliary electricity Source unit, is connected with control unit and selecting unit;Selecting unit, it is in parallel with rectification circuit, and be connected with Auxiliary Power Units; Rectification circuit, it is in parallel and be connected with load with selecting unit.
2. three power supplys double circuit power supply system as claimed in claim 1, it is characterised in that:The double loop automatic switchover system is also Including power supply indicator, power supply indicator is first and second light emitting diode D1, D2, and the first light emitting diode D1 and J1-3 goes here and there The input in the first loop is connected in parallel on after connection, the second light emitting diode D2 is connected in parallel on the input of second servo loop after being connected with J2-3 End.
3. three power supplys double circuit power supply system as claimed in claim 1, it is characterised in that:In the double loop automatic switchover system MTS K1 is additionally provided with, MTS K1 is connected between relay J1 normally opened contacts J1-1 and rectification unit.
CN201621021627.6U 2016-08-31 2016-08-31 A kind of three power supply double circuit power supply systems Active CN206517137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621021627.6U CN206517137U (en) 2016-08-31 2016-08-31 A kind of three power supply double circuit power supply systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621021627.6U CN206517137U (en) 2016-08-31 2016-08-31 A kind of three power supply double circuit power supply systems

Publications (1)

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CN206517137U true CN206517137U (en) 2017-09-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110758174A (en) * 2019-11-01 2020-02-07 合肥工业大学 Distributed modular vehicle-mounted battery management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110758174A (en) * 2019-11-01 2020-02-07 合肥工业大学 Distributed modular vehicle-mounted battery management system

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CP01 Change in the name or title of a patent holder

Address after: 400039 7 building, No. 5, Keyuan Road, Kowloon Po, Chongqing.

Patentee after: Gaoxin Xinmei Technology Co., Ltd.

Address before: 400039 7 building, No. 5, Keyuan Road, Kowloon Po, Chongqing.

Patentee before: Polytron Technologies Inc

CP01 Change in the name or title of a patent holder