CN110247472A - Power supply device, method and equipment - Google Patents
Power supply device, method and equipment Download PDFInfo
- Publication number
- CN110247472A CN110247472A CN201910644427.8A CN201910644427A CN110247472A CN 110247472 A CN110247472 A CN 110247472A CN 201910644427 A CN201910644427 A CN 201910644427A CN 110247472 A CN110247472 A CN 110247472A
- Authority
- CN
- China
- Prior art keywords
- power supply
- power
- module
- relay
- load
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a power supply device, a method and equipment thereof, relating to the technical field of electric power, wherein the power supply device comprises: the power supply interlocking power supply module, the power supply switching module and the battery module; the power supply interlocking power supply module is connected with the at least two power supplies and used for outputting the electric energy of one power supply of the at least two power supplies when the at least two power supplies do not simultaneously have faults; and the power supply switching module is respectively connected with the power supply interlocking power supply module, the battery module and the load, and is used for supplying power to the load by using the electric energy output by the power supply interlocking power supply module under the condition that the power supply interlocking power supply module outputs the electric energy, and controlling the battery module to supply power to the load under the condition that the power supply interlocking power supply module does not output the electric energy. The power supply device, the power supply method and the power supply equipment can realize the self-switching of the power supply to the load, can provide multi-level electrical protection and can ensure the safe and reliable operation of the equipment.
Description
Technical field
This disclosure relates to technical field of electric power more particularly to a kind of power supply unit, method and its equipment.
Background technique
Power supply unit is both provided in plurality of devices.For example, team control cabinet is the important equipment of cold source system, it is widely applied
In market, the important events such as subway.Currently, the distribution of team control cabinet generallys use single service device, when higher level's power supply unit goes out
When showing failure or having electromagnetic interference, it may appear that tripping power-off.Above situation will lead to the temporary power loss of team control cabinet, equipment operation
Stability is poor.
Summary of the invention
In view of this, the disclosure technical problem to be solved is to provide a kind of power supply unit, method and its equipment, energy
Enough realize provides the adaptive switched of electric energy for load, to carry out continued power to load.
According to one aspect of the disclosure, a kind of power supply unit is provided, comprising: power interlock power supply module, power switching
Module and battery module；The power interlock power supply module, connect at least two power supplys, at least two power supply
When not breaking down simultaneously, the electric energy of a power supply at least two power supply is exported；The power switching module, respectively
It is connected with the power interlock power supply module, the battery module and load, for being exported in the power interlock power supply module
In the case where electric energy, the electric energy exported using the power interlock power supply module is powered the load, and in the electricity
In the case that source interlocking power supply module does not export electric energy, controlling the battery module is the load supplying.
Optionally, the power interlock power supply module, comprising: relay interlocking unit, at least two electricity
It is defeated between the power supply and the power switching module in control at least two power supply when source is not broken down simultaneously
Electric circuit communication.
Optionally, the power interlock power supply module includes: contactor；Each power supply at least two power supply
The contact of the contactor is both provided in power delivery circuit between the power switching module；The relay interlocking is single
Member, it is electric for being obtained by the coil of one contactor of control when at least two power supply does not break down simultaneously, make
The contact closure of this contactor, to control between a power supply and the power switching module at least two power supply
Power delivery circuit connection.
Optionally, the quantity of at least two power supply is N, and each power supply is both provided with power supply priority；Wherein,
N is greater than or equal to 2；The relay interlocking unit includes: the N- that the N-1 power supply high with power supply priority respectively corresponds setting
1 relay, wherein the coil of each relay passes through first line respectively and connects with corresponding power supply；N number of contactor
It is arranged in a one-to-one correspondence respectively with N number of power supply, the coil of each contactor is connected by the second route with corresponding power supply
It connects；In first line corresponding with each power supply in the N-1 power supply, it is in series with the power supply priority than this power supply
The normally-closed contact of the high corresponding relay of other power supplys；Corresponding with each power supply in the N-1 power supply
In two routes, the normally opened contact of relay corresponding with this power supply is set；Corresponding with the minimum power supply of power supply priority
The second route in, be in series with the normally-closed contact of the N-1 relay.
Optionally, the quantity of at least two power supply is two, wherein the high power supply of power supply priority is main power source,
The low power supply of priority is backup power source；The main power source is correspondingly arranged the relay, and the coil of this relay passes through
First line is connect with the main power source；The coil of two contactors passes through the second route and the main power source and institute respectively
State backup power source connection；In the second route corresponding with the main power source, be provided with it is corresponding with the main power source after
The normally opened contact of electric appliance；In the second route corresponding with the backup power source, it is in series with corresponding with the main power source
The normally-closed contact of relay.
Optionally, the power switching module, connect with host computer, for not exporting in the power interlock power supply module
In the case where electric energy, Xiang Suoshu host computer sends power failure information.
Optionally, load protection module is arranged in the power supply line between the power switching module and the load,
For cutting off the power supply line when the load is broken down.
Optionally, load faulty reporting modules are connect, for receiving respectively with the load protection module and host computer
To the load protection module send fault-signal when, Xiang Suoshu host computer send load faulty information.
Optionally, the power switching module, the electric energy for exporting in the use power interlock power supply module is to institute
It states in the case that load is powered, the use of the electric energy that the power interlock power supply module exports is that the battery module charges.
Optionally, the power switching module includes: UPS module.
According to another aspect of the present disclosure, a kind of equipment, including power supply unit as described above are provided.
According to the another aspect of the disclosure, a kind of method of supplying power to is provided, comprising: what is connect with power interlock power supply module
When at least two power supplys do not break down simultaneously, the power interlock power supply module exports one at least two power supply
The electric energy of power supply；In the case where the power interlock power supply module exports electric energy, the power switching module uses the electricity
The electric energy of source interlocking power supply module output is powered the load；Electric energy is not exported in the power interlock power supply module
In the case of, it is the load supplying that the power switching module, which controls the battery module,.
Optionally, the power interlock power supply module includes: relay interlocking unit；The method also includes: described
When at least two power supplys do not break down simultaneously, the relay interlocking unit controls an electricity at least two power supply
Power delivery circuit between source and the power switching module is connected to.
Optionally, the power interlock power supply module includes: contactor；Each power supply at least two power supply
The contact of the contactor is both provided in power delivery circuit between the power switching module；The method also includes:
When at least two power supply does not break down simultaneously, the relay interlocking unit passes through the line of one contactor of control
It encloses electric, makes the contact closure of this contactor, to control a power supply at least two power supply and described for cutting
Change the mold the power delivery circuit connection between block.
Optionally, the quantity of at least two power supply is N, and each power supply is both provided with power supply priority；Wherein,
N is greater than or equal to 2；The relay interlocking unit includes: the N- that the N-1 power supply high with power supply priority respectively corresponds setting
1 relay, wherein the coil of each relay passes through first line respectively and connects with corresponding power supply；N number of contactor
It is arranged in a one-to-one correspondence respectively with N number of power supply, the coil of each contactor is connected by the second route with corresponding power supply
It connects；In first line corresponding with each power supply in the N-1 power supply, it is in series with the power supply priority than this power supply
The normally-closed contact of the high corresponding relay of other power supplys；Corresponding with each power supply in the N-1 power supply
In two routes, the normally opened contact of relay corresponding with this power supply is set；Corresponding with the minimum power supply of power supply priority
The second route in, be in series with the normally-closed contact of the N-1 relay.
Optionally, the quantity of at least two power supply is two, wherein the high power supply of power supply priority is main power source,
The low power supply of priority is backup power source；The main power source is correspondingly arranged the relay, and the coil of this relay passes through
First line is connect with the main power source；The coil of two contactors passes through the second route and the main power source and institute respectively
State backup power source connection；In the second route corresponding with the main power source, be provided with it is corresponding with the main power source after
The normally opened contact of electric appliance；In the second route corresponding with the backup power source, it is in series with corresponding with the main power source
The normally-closed contact of relay.
Optionally, in the case where the power interlock power supply module does not export electric energy, the power switching module is upward
Position machine sends power failure information.
Optionally, when the load is broken down, the cutting setting of load protection module in the power switching module and
Power supply line between the load.
Optionally, when receiving the fault-signal that the load protection module is sent, load faulty reporting modules are to institute
It states host computer and sends load faulty information.
Optionally, the case where the electric energy exported using the power interlock power supply module is powered the load
Under, the power switching module is battery module charging using the electric energy that the power interlock power supply module exports.
Power supply unit, method and its equipment of the disclosure, when multiple power supplys do not break down simultaneously, power interlock power supply
Module exports the electric energy of a power supply；In the case where power interlock power supply module exports electric energy, using the electric energy of output to negative
Load is powered；In the case where power interlock power supply module does not export electric energy, control battery module is load supplying；It can be real
The adaptive switched of electric energy now is provided to load, is capable of providing the electic protection of multi-layer.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present disclosure, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the module diagram according to one embodiment of the power supply unit of the disclosure；
Fig. 2 is the module diagram according to another embodiment of the power supply unit of the disclosure；
Fig. 3 is the module diagram according to another embodiment of the power supply unit of the disclosure；
Fig. 4 is the module diagram according to the further embodiment of the power supply unit of the disclosure；
Fig. 5 is the module diagram for connecting the power supply unit of two power supplys；
Fig. 6 is the module diagram for connecting the power supply unit of three power supplys；
Fig. 7 is the flow diagram according to one embodiment of the method for supplying power to of the disclosure.
Specific embodiment
The disclosure is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary embodiment of the disclosure.Under
Face will combine the attached drawing in the embodiment of the present disclosure, and the technical solution in the embodiment of the present disclosure is clearly and completely described, and show
So, described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Based on the reality in the disclosure
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of disclosure protection.Various descriptions are carried out to the technical solution of the disclosure below with reference to each figure and embodiment.
" first " hereinafter, " second " etc. are only used for distinguishing in description, and there is no other special meanings.
As shown in Figure 1, the present invention provides a kind of power supply unit, comprising: power interlock power supply module 10, power switching module
20 and battery module 30.Power interlock power supply module 10 is connect at least two power supplys, for example, power interlock power supply module 10 with
Power supply 1,2 ... ..., n connection, power supply 1,2 ... ..., n can be external AC power source or DC power supply etc..In power supply 1,
When 2 ... ..., n do not break down simultaneously, 10 out-put supply 1,2 ... ... of power interlock power supply module, the electricity of a power supply in n
Energy.
Power switching module 20 is connect with power interlock power supply module 10, battery module 30 and load 40 respectively, in power supply
In the case where interlocking the output electric energy of power supply module 10, power switching module 20 uses the electric energy of the output of power interlock power supply module 10
Load 40 is powered, and in the case where power interlock power supply module 10 does not export electric energy, power switching module 20 controls
Battery module 30 is 40 power supply of load.Load 40 can be a variety of lower control equipment, power switching module 20 there are many implementation,
For example, power switching module 20 is UPS (Uninterruptible Power System, uninterruptible power supply) module etc..
The feelings that power switching module 20 is powered load 40 in the electric energy exported using power interlock power supply module 10
It the use of the electric energy that power interlock power supply module 10 exports is the charging of battery module 40 under condition.
As shown in Fig. 2, power switching module 20 is connect with host computer 70, electric energy is not exported in power interlock power supply module 10
In the case where, power failure information is sent to host computer 70, prompts to supply without external electric energy, client is prompted to check external electrical
Electric energy supply is replied in source as early as possible.Power switching module 20 and host computer 70 can be wired connection or wireless connection, power switching
Module 20 and host computer 70 can carry out wired connection by a variety of buses, signal wire etc..
Load includes lower control equipment 41, lower control equipment 42 and lower control equipment 43.It can be to lower control equipment 41, lower control equipment 42
A load protection module is set with lower control equipment 43, lower control equipment 41, lower control equipment 42 and lower control equipment 43 can also be divided
It She Zhi not three independent load protection modules.For example, load protection module 51, load protection module 52 and load protection module
53 are separately positioned on the power supply line between power switching module 20 and lower control equipment 41, lower control equipment 42 and lower control equipment 43
In, load protection module 51, load protection module 52 and load protection module 53 are respectively used in lower control equipment 41, lower control equipment
42 and lower control equipment 43 when breaking down, power supply line is cut off, failure can be overload, the failures such as short-circuit, under-voltage.
Load protection module 51, load protection module 52 and load protection module 53 can be there are many implementations.For example,
Load protection module 51, load protection module 52 and load protection module 53 all pass through the related component progress failure such as relay
Protection.
Load faulty reporting modules 60 respectively with load protection module 51, load protection module 52 and load protection module 53
Connection, load faulty reporting modules 60 are connect with host computer 60.Receive load protection module 51, load protection module 52 or
When the fault-signal that load protection module 53 is sent, load faulty reporting modules 60 send load faulty information to host computer 70.
In one embodiment, as shown in figure 3, power interlock power supply module 10 includes: relay interlocking unit 11, relay
Device interlocking unit 11 is in power supply 1,2 ... ..., and n simultaneously when breaking down, does not control power supply 1,2 ... ..., a power supply in n with
Power delivery circuit connection between power switching module 20.
As shown in figure 4, power interlock power supply module includes: contactor；Contactor can connect for A.C. contactor and direct current
Tentaculum, contactor flow through current induced magnetic field using coil, make contact closure.In power supply 1,2 ..., each power supply in n with
Contact 81, contact 82 and the contact 83 there are three contactor are respectively set in power delivery circuit between power switching module 20, after
Electric appliance interlocking unit 11 is in power supply 1,2 ... ..., and n is simultaneously when breaking down, the coil by controlling a contactor obtain it is electric,
Make a contact closure in the contact 81, contact 82 and contact 83 of this contactor, to control power supply 1,2 ... ..., in n
One power supply is connected to the power delivery circuit between power switching module 20.
In one embodiment, relay interlocking unit 11 can be there are many implementation.The quantity of power supply is N, and
Each power supply is both provided with power supply priority, and N is greater than or equal to 2.Relay interlocking unit 11 includes: high with power supply priority
N-1 power supply respectively corresponds N-1 relay of setting, and the coil of each relay passes through first line and corresponding electricity respectively
Source connection.Relay is a kind of electric control device, is when the variation of input quantity (energizing quantity) reaches prescribed requirement, electrical defeated
Make controlled volume that a kind of electric appliance of scheduled Spline smoothing occur in circuit out.Relay can be a variety of, for example, intermediate relay
Device etc..N number of contactor is arranged in a one-to-one correspondence with N number of power supply respectively, the coil of each contactor by the second route with it is corresponding
Power supply connection.
In first line corresponding with each power supply in N-1 power supply, it is in series with more preferential than the power supply of this power supply
The normally-closed contact of the high corresponding relay of other power supplys of grade.With each power supply corresponding second in N-1 power supply
In route, the normally opened contact of relay corresponding with this power supply is set.Corresponding with the minimum power supply of power supply priority
In second route, it is in series with the normally-closed contact of N-1 relay.
For example, as shown in figure 5, the quantity of power supply is two, respectively 1# power supply and 2# power supply, the high 1# of power supply priority
Power supply is main power source, and the low 2# power supply of priority is backup power source.1# power supply is correspondingly arranged a relay KAO, relay KAO
Coil connect with 1# power supply by first line 103.The coil of two contactors OKM1, OKM2 pass through the second route respectively
105, it 104 is connect with 1# power supply and 2# power supply.
The normally opened contact of two contactors OKM1, OKM2 are separately positioned on 1# power supply and 2# power supply and power switching module 20
Between power delivery circuit 101,102 in.In the second route 105 corresponding with 1# power supply, it is provided with corresponding with 1# power supply
Relay KAO normally opened contact.In the second route 104 corresponding with 2# power supply, it is in series with corresponding with 1# power supply
The normally-closed contact of relay KAO.
Under normal circumstances, 1# power supply provides electric energy to power switching module 20 by transmission line of electricity 101, relay KA0's
Coil obtains electric, the normally opened contact actuation of relay KA0, and the coil of contactor OKM1 obtains electric, the contact actuation of contactor OKM1.After
The normally-closed contact of electric appliance KA0 disconnects, and the transmission line of electricity 102 between 2# power supply and power switching module 20 disconnects.
When 1# power supply is because of exception or failure power-off, the normally opened contact of the coil losing electricity of relay KA0, relay KA0 is disconnected
It opens, the contact of contactor OKM1 disconnects, and transmission line of electricity 101 disconnects.The normally-closed contact closure of relay KA0 at this time, contactor
The coil of OKM2 obtains electric, and the contact of contactor OKM2 is attracted, and the transmission line of electricity 102 between 2# power supply and power switching module 20 connects
It is logical, by 2# power supply power supply.1# power supply and 2# power supply mutual backup can not then continue when 1# power supply and 2# power supply simultaneous faults
Electric energy is conveyed to power switching module 20, then is powered by battery module 30.
As shown in fig. 6, the quantity of power supply is three, three power supplys are respectively arranged with power supply priority, and power supply priority is most
High power supply is main power source, and the power supply priority of 1# backup power source is higher than the power supply priority of 2# backup power source.Relay interlocking
Unit 11 includes: two relays that two power supplys (main power source and 1# backup power source) high with power supply priority respectively correspond setting
Device KAO and KA1, the coil of two relays KAO and KA1 pass through first line 113 and first line 114 and corresponding master respectively
Power supply is connected with 1# backup power source.
Three contactors OKM1, OKM2 and OKM3 are corresponded with main power source, 1# backup power source and 2# backup power source respectively
Setting, the normally opened contact of three contactors OKM1, OKM2 and OKM3 are separately positioned on main power source, 1# backup power source and 2# standby electricity
In power delivery circuit 110, power delivery circuit 111 and power delivery circuit 112 between source and power switching module 20.Three contactors
The coil of OKM1, OKM2 and OKM3 pass through the second route 115, the second route 116 and the second route 117 and corresponding main electricity respectively
Source, 1# backup power source are connected with 2# backup power source.
In first line 113 corresponding with each power supply in main power source, 1# backup power source and first line 114,
It is in series with the normally-closed contact of other power supplys corresponding relay higher than the power supply priority of this power supply.Due to the confession of main power source
Electric highest priority, then other not higher than the power supply priority of main power source power supplys.Than the power supply priority of 1# backup power source
Other high power supplys are that main power source is in series with the power supply than 1# backup power source in the corresponding first line 114 of 1# backup power source
The normally-closed contact of the corresponding relay KAO of the high main power source of priority.
In the second route 115 corresponding with each power supply in main power source, 1# backup power source, the second route 116, if
Set the normally opened contact of relay KAO and KA1 corresponding with main power source, 1# backup power source.In the 2# minimum with power supply priority
In corresponding second route 117 of backup power source, it is in series with the normally-closed contact of relay KAO and KA1.
Under normal circumstances, main power source provides electric energy to power switching module 20 by transmission line of electricity 110, relay KA0's
Coil obtains electric, the normally opened contact actuation of relay KA0, and the coil of contactor OKM1 obtains electric, the contact actuation of contactor OKM1, after
The normally-closed contact of electric appliance KA0 disconnects, relay KA1 power loss, then 1# backup power source, 2# backup power source and power switching module 20 it
Between transmission line of electricity 111 and transmission line of electricity 112 disconnect.
When main power source is because of exception or failure power-off, the normally opened contact of the coil losing electricity of relay KA0, relay KA0 is disconnected
Open, the contact of contactor OKM1 disconnects, and the normally-closed contact of relay KA0 is connected at this time, relay KA1 obtain it is electric, relay KA1's
Normally-closed contact disconnects, the normally opened contact closure of relay KA1, and the coil of contactor OKM2 obtains electric, the contact suction of contactor OKM2
It closes, the transmission line of electricity 111 between 1# backup power source and power switching module 20 is connected, and main power source and 2# backup power source and confession
Transmission line of electricity 110 and transmission line of electricity 112 between electric switching module 20 disconnect.
When main power source, 1# backup power source are because of exception or failure power-off, the coil of relay KA0 and relay KA1 are all lost
The normally opened contact of electricity, relay KA0 and relay KA1 all disconnect, and the normally-closed contact of relay KA0 and relay KA1 are all closed,
The coil of contactor OKM3 obtains electric, the contact actuation of contactor OKM3, defeated between 2# backup power source and power switching module 20
Electric line 112 is connected, and transmission line of electricity 110 and power transmission line between main power source and 1# backup power source and power switching module 20
Road 111 disconnects.If power supply unit can be realized main power source power-off, start the power supply of 1# backup power source；Main power source and 1# standby electricity
If source powers off, start the power supply of 2# backup power source.
In one embodiment, the disclosure provides a kind of equipment, including the power supply unit in any embodiment as above.Equipment
Can there are many, for example, various controls cabinet such as team control cabinet etc. has the multi-layers such as more power supplys, battery supply, relay protection electricity
Gas shielded solves the problems, such as to shut down because of abnormal power-down or electromagnetic interference, may be implemented that distribution is independently compensatory, and failure is when very short
It is interior to carry out adaptive switched, reduction downtime, to greatest extent guarantee equipment stable operation.
In one embodiment, Fig. 7 is such as to be schemed according to the flow diagram of one embodiment of the method for supplying power to of the disclosure
Shown in 7:
Step 701, when at least two power supplys connecting with power interlock power supply module do not break down simultaneously, power supply is mutual
Lock the electric energy for the power supply that power supply module exports at least two power supplys.
Step 702, in the case where power interlock power supply module exports electric energy, power switching module is supplied using power interlock
The electric energy of electric module output is powered load；In the case where power interlock power supply module does not export electric energy, power switching
It is load supplying that module, which controls battery module,.
In one embodiment, power interlock power supply module includes: relay interlocking unit；It is not same at least two power supplys
When breaking down, relay interlocking unit controls a power supply at least two power supplys and defeated between power switching module
Electric circuit communication.
Power interlock power supply module includes: contactor；Each power supply and power switching module at least two power supplys
Between power delivery circuit in be both provided with the contact of contactor.When at least two power supplys do not break down simultaneously, relay is mutual
Lock unit obtains electric by controlling the coil of a contactor, makes the contact closure of this contactor, to control at least two power supplys
In a power supply be connected to the power delivery circuit between power switching module.
In one embodiment, the case where the electric energy exported using power interlock power supply module is powered load
Under, power switching module is battery module charging using the electric energy that power interlock power supply module exports.In power interlock power supply mould
In the case that block does not export electric energy, power switching module sends power failure information to host computer.When loading failure, bear
Carry the power supply line that protective module cutting is arranged between power switching module and load.It is sent receiving load protection module
Fault-signal when, load faulty reporting modules to host computer send load faulty information.
Power supply unit, method and its equipment in above-described embodiment, when multiple power supplys do not break down simultaneously, power supply is mutual
Lock the electric energy that power supply module exports a power supply；In the case where power interlock power supply module exports electric energy, the electricity of output is used
Load can be powered；In the case where power interlock power supply module does not export electric energy, control battery module is load supplying；
May be implemented to provide the adaptive switched of electric energy to load, be capable of providing the electic protection of multi-layer, solve equipment because of abnormal power-down or
The problem of electromagnetic interference is shut down, can guarantee equipment safety reliability service.
Disclosed method and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize disclosed method and system.The said sequence of the step of for method is only
In order to be illustrated, the step of disclosed method, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the disclosure can be embodied as to record program in the recording medium, these programs include
For realizing according to the machine readable instructions of disclosed method.Thus, the disclosure also covers storage for executing according to this public affairs
The recording medium of the program for the method opened.
The description of the disclosure is given for the purpose of illustration and description, and is not exhaustively or by the disclosure
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
Embodiment is stated and be the principle and practical application in order to more preferably illustrate the disclosure, and those skilled in the art is enable to manage
The solution disclosure is to design various embodiments suitable for specific applications with various modifications.
Claims (20)
1. a kind of power supply unit, comprising:
Power interlock power supply module, power switching module and battery module；
The power interlock power supply module, connect at least two power supplys, for not occurring simultaneously at least two power supply
When failure, the electric energy of a power supply at least two power supply is exported；
The power switching module is connected with the power interlock power supply module, the battery module and load respectively, is used for
In the case where the power interlock power supply module output electric energy, the electric energy exported using the power interlock power supply module is to described
Load is powered, and in the case where the power interlock power supply module does not export electric energy, controls the battery module as institute
State load supplying.
2. power supply unit as described in claim 1, wherein
The power interlock power supply module, comprising:
Relay interlocking unit, for when at least two power supply does not break down simultaneously, controlling at least two electricity
A power supply in source is connected to the power delivery circuit between the power switching module.
3. power supply unit as claimed in claim 2, wherein
The power interlock power supply module includes: contactor；Each power supply and the power supply at least two power supply
The contact of the contactor is both provided in power delivery circuit between switching module；
The relay interlocking unit, for passing through one institute of control when at least two power supply does not break down simultaneously
The coil for stating contactor obtains electric, makes the contact closure of this contactor, to control a power supply at least two power supply
Power delivery circuit between the power switching module is connected to.
4. power supply unit as claimed in claim 3, wherein
The quantity of at least two power supply is N, and each power supply is both provided with power supply priority；Wherein, N is greater than or equal to
2；
The relay interlocking unit includes: the N-1 relay that the N-1 power supply high with power supply priority respectively corresponds setting
Device, wherein the coil of each relay passes through first line respectively and connects with corresponding power supply；N number of contactor respectively with N
A power supply is arranged in a one-to-one correspondence, and the coil of each contactor is connected by the second route with corresponding power supply；
In first line corresponding with each power supply in the N-1 power supply, it is in series with more preferential than the power supply of this power supply
The normally-closed contact of the high corresponding relay of other power supplys of grade；
In the second route corresponding with each power supply in the N-1 power supply, relay corresponding with this power supply is set
The normally opened contact of device；
In the second route corresponding with the minimum power supply of power supply priority, it is in series with the normally closed touching of the N-1 relay
Point.
5. power supply unit as claimed in claim 4, wherein
The quantity of at least two power supply is two, wherein the high power supply of power supply priority is main power source, the low electricity of priority
Source is backup power source；
The main power source is correspondingly arranged the relay, and the coil of this relay is connected by first line and the main power source
It connects；The coil of two contactors passes through the second route respectively and connect with the main power source and the backup power source；
In the second route corresponding with the main power source, it is provided with the normally opened touching of relay corresponding with the main power source
Point；In the second route corresponding with the backup power source, it is in series with the normally closed of relay corresponding with the main power source
Contact.
6. power supply unit as described in claim 1, wherein
The power switching module, connect with host computer, for the case where the power interlock power supply module does not export electric energy
Under, Xiang Suoshu host computer sends power failure information.
7. power supply unit as described in claim 1, further includes:
Load protection module is arranged in the power supply line between the power switching module and the load, for described
When load is broken down, the power supply line is cut off.
8. power supply unit as claimed in claim 7, further includes:
Load faulty reporting modules are connect with the load protection module and host computer respectively, for receiving the load
When the fault-signal that protective module is sent, Xiang Suoshu host computer sends load faulty information.
9. power supply unit as described in claim 1, wherein
The power switching module, for supplying in the electric energy exported using the power interlock power supply module the load
It the use of the electric energy that the power interlock power supply module exports is battery module charging in the case where electricity.
10. power supply unit as described in claim 1, wherein
The power switching module includes: UPS module.
11. a kind of equipment, comprising:
Power supply unit as described in any one of claim 1 to 10.
12. a kind of method of supplying power to, comprising:
When at least two power supplys connecting with power interlock power supply module do not break down simultaneously, the power interlock power supply mould
Block exports the electric energy of a power supply at least two power supply；
In the case where the power interlock power supply module exports electric energy, power switching module uses power interlock power supply mould
The electric energy of block output is powered load；In the case where the power interlock power supply module does not export electric energy, the power supply
It is the load supplying that switching module, which controls the battery module,.
13. method as claimed in claim 12, wherein the power interlock power supply module includes: relay interlocking unit；Institute
State method further include:
When at least two power supply does not break down simultaneously, the relay interlocking unit controls at least two power supply
In a power supply be connected to the power delivery circuit between the power switching module.
14. method as claimed in claim 13, wherein the power interlock power supply module includes: contactor；It is described at least
The touching of the contactor is both provided in the power delivery circuit between each power supply and the power switching module in two power supplys
Point；The method also includes:
When at least two power supply does not break down simultaneously, the relay interlocking unit passes through one contact of control
The coil of device obtains electric, makes the contact closure of this contactor, to control a power supply at least two power supply with it is described
Power delivery circuit connection between power switching module.
15. method as claimed in claim 14, wherein the quantity of at least two power supply is N, and each power supply is set
It is equipped with power supply priority；Wherein, N is greater than or equal to 2；
The relay interlocking unit includes: the N-1 relay that the N-1 power supply high with power supply priority respectively corresponds setting
Device, wherein the coil of each relay passes through first line respectively and connects with corresponding power supply；N number of contactor respectively with N
A power supply is arranged in a one-to-one correspondence, and the coil of each contactor is connected by the second route with corresponding power supply；
In first line corresponding with each power supply in the N-1 power supply, it is in series with more preferential than the power supply of this power supply
The normally-closed contact of the high corresponding relay of other power supplys of grade；
In the second route corresponding with each power supply in the N-1 power supply, relay corresponding with this power supply is set
The normally opened contact of device；
In the second route corresponding with the minimum power supply of power supply priority, it is in series with the normally closed touching of the N-1 relay
Point.
16. method as claimed in claim 15, wherein
The quantity of at least two power supply is two, wherein the high power supply of power supply priority is main power source, the low electricity of priority
Source is backup power source；
The main power source is correspondingly arranged the relay, and the coil of this relay is connected by first line and the main power source
It connects；The coil of two contactors passes through the second route respectively and connect with the main power source and the backup power source；
In the second route corresponding with the main power source, it is provided with the normally opened touching of relay corresponding with the main power source
Point；In the second route corresponding with the backup power source, it is in series with the normally closed of relay corresponding with the main power source
Contact.
17. method as claimed in claim 12, further includes:
In the case where the power interlock power supply module does not export electric energy, the power switching module sends power supply to host computer
Fault message.
18. method as claimed in claim 12, further includes:
When the load is broken down, the cutting of load protection module is arranged between the power switching module and the load
Power supply line.
19. method as claimed in claim 18, further includes:
When receiving the fault-signal that the load protection module is sent, load faulty reporting modules are sent to the host computer
Load faulty information.
20. method as claimed in claim 12, wherein
It is described for cutting in the case where the electric energy exported using the power interlock power supply module is powered the load
It is battery module charging that block, which is changed the mold, using the electric energy that the power interlock power supply module exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644427.8A CN110247472A (en) | 2019-07-17 | 2019-07-17 | Power supply device, method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644427.8A CN110247472A (en) | 2019-07-17 | 2019-07-17 | Power supply device, method and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110247472A true CN110247472A (en) | 2019-09-17 |
Family
ID=67892545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910644427.8A Pending CN110247472A (en) | 2019-07-17 | 2019-07-17 | Power supply device, method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110247472A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834168A (en) * | 2020-07-23 | 2020-10-27 | 珠海格力电器股份有限公司 | An interlock control device, a contactor assembly and an interlock control method thereof |
| CN112653225A (en) * | 2021-01-18 | 2021-04-13 | 山东理工大学 | Intelligent power management system powered by photovoltaic cell |
| CN113937748A (en) * | 2021-10-19 | 2022-01-14 | 广东电网有限责任公司广州供电局 | Direct current power supply equipment and direct current distribution box |
| CN114865775A (en) * | 2022-05-27 | 2022-08-05 | 衢州杭氧气体有限公司 | Three-power switching device for emergency lighting |
| CN118263973A (en) * | 2024-03-28 | 2024-06-28 | 湖南湘投新能源有限公司 | Circuit structure for solving problem of 35kV box transformer substation control power supply of wind farm |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2541986Y (en) * | 2002-04-03 | 2003-03-26 | 汕头高新区天健电子有限公司 | Intelligent high frequency switching d.c. power source |
| JP2006254522A (en) * | 2005-03-08 | 2006-09-21 | Toshiba Mitsubishi-Electric Industrial System Corp | System switching device |
| CN101771292A (en) * | 2008-12-30 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Commutation circuit based on priorities and multi-path power supply commutation system containing same |
| CN201629602U (en) * | 2010-03-23 | 2010-11-10 | 王聪 | Intelligent emergency power supply of local ventilator for mine |
| CN102882268A (en) * | 2012-08-27 | 2013-01-16 | 青岛经济技术开发区创统科技发展有限公司 | Undisturbed uninterruptible power supply device |
| CN103066684A (en) * | 2013-01-06 | 2013-04-24 | 浙江中碳科技有限公司 | High voltage direct current power supply system |
| CN205304389U (en) * | 2015-12-25 | 2016-06-08 | 施耐德万高（天津）电气设备有限公司 | Automatic change -over electrical apparatus of taking independent source of power selects electric installation |
| CN205319792U (en) * | 2015-12-22 | 2016-06-15 | 易勇 | Double power source switch circuit and double power source switch system |
| CN205864051U (en) * | 2016-05-18 | 2017-01-04 | 王公诚 | Many power supplys change controller switching equipment automatically |
| CN207868865U (en) * | 2018-08-15 | 2018-09-14 | 湖南利能科技股份有限公司 | A kind of more power transfer devices |
| CN109167427A (en) * | 2018-08-28 | 2019-01-08 | 武汉船用机械有限责任公司 | A kind of power supply system |
-
2019
- 2019-07-17 CN CN201910644427.8A patent/CN110247472A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2541986Y (en) * | 2002-04-03 | 2003-03-26 | 汕头高新区天健电子有限公司 | Intelligent high frequency switching d.c. power source |
| JP2006254522A (en) * | 2005-03-08 | 2006-09-21 | Toshiba Mitsubishi-Electric Industrial System Corp | System switching device |
| CN101771292A (en) * | 2008-12-30 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Commutation circuit based on priorities and multi-path power supply commutation system containing same |
| CN201629602U (en) * | 2010-03-23 | 2010-11-10 | 王聪 | Intelligent emergency power supply of local ventilator for mine |
| CN102882268A (en) * | 2012-08-27 | 2013-01-16 | 青岛经济技术开发区创统科技发展有限公司 | Undisturbed uninterruptible power supply device |
| CN103066684A (en) * | 2013-01-06 | 2013-04-24 | 浙江中碳科技有限公司 | High voltage direct current power supply system |
| CN205319792U (en) * | 2015-12-22 | 2016-06-15 | 易勇 | Double power source switch circuit and double power source switch system |
| CN205304389U (en) * | 2015-12-25 | 2016-06-08 | 施耐德万高（天津）电气设备有限公司 | Automatic change -over electrical apparatus of taking independent source of power selects electric installation |
| CN205864051U (en) * | 2016-05-18 | 2017-01-04 | 王公诚 | Many power supplys change controller switching equipment automatically |
| CN207868865U (en) * | 2018-08-15 | 2018-09-14 | 湖南利能科技股份有限公司 | A kind of more power transfer devices |
| CN109167427A (en) * | 2018-08-28 | 2019-01-08 | 武汉船用机械有限责任公司 | A kind of power supply system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834168A (en) * | 2020-07-23 | 2020-10-27 | 珠海格力电器股份有限公司 | An interlock control device, a contactor assembly and an interlock control method thereof |
| CN112653225A (en) * | 2021-01-18 | 2021-04-13 | 山东理工大学 | Intelligent power management system powered by photovoltaic cell |
| CN113937748A (en) * | 2021-10-19 | 2022-01-14 | 广东电网有限责任公司广州供电局 | Direct current power supply equipment and direct current distribution box |
| CN114865775A (en) * | 2022-05-27 | 2022-08-05 | 衢州杭氧气体有限公司 | Three-power switching device for emergency lighting |
| CN114865775B (en) * | 2022-05-27 | 2024-10-11 | 衢州杭氧气体有限公司 | Three-power switching device for accident illumination |
| CN118263973A (en) * | 2024-03-28 | 2024-06-28 | 湖南湘投新能源有限公司 | Circuit structure for solving problem of 35kV box transformer substation control power supply of wind farm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110247472A (en) | Power supply device, method and equipment | |
| CN111614150B (en) | Power distribution systems for large data centers | |
| KR20170076129A (en) | Hybrid Energy Storage Apparatus for Diesel Generator and Method therefor | |
| CN107264812A (en) | A kind of emergent redundance power supply circuit of aircraft | |
| JP2015163033A (en) | Dc power supply device and power supply control method | |
| CN112531880A (en) | Redundancy control device and method | |
| CN109873444B (en) | Two-loop direct current transmission system master control system and configuration method | |
| CN111987792A (en) | Power supply apparatus and power supply method thereof | |
| CN111342496A (en) | Micro-grid switching device and switching control method | |
| CN100449926C (en) | System of communication power supply | |
| CN116195166A (en) | Inverter with bistable switching unit | |
| CN103887872B (en) | UPS device | |
| CN112124132B (en) | Non-vehicle charging and discharging system in grid-connected mode and isolated grid mode and charging pile | |
| CN116191645A (en) | Priority-based aircraft dual-redundancy power supply anti-parallel circuit | |
| CN201699423U (en) | Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function | |
| CN202997690U (en) | UPS device | |
| CN222395483U (en) | Power supply device and cabinet | |
| CN113922362B (en) | Circuit breaker control system and method | |
| CN116488321B (en) | Power distribution system and data center power system | |
| CN101888089A (en) | Three-phase power voltage stabilizer with three-phase and three respective single-phase output function | |
| CN105743145A (en) | Battery pack charging and discharging control structure and method | |
| CN111082391A (en) | Control box circuit and energy storage system | |
| CN110539651A (en) | Track subway engineering maintenance vehicle, traction power supply system and storage battery power supply circuit | |
| CN213461564U (en) | DC inverter | |
| CN113013981B (en) | Power distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
|
| RJ01 | Rejection of invention patent application after publication |