CN109617043A - A kind of distribution system - Google Patents
A kind of distribution system Download PDFInfo
- Publication number
- CN109617043A CN109617043A CN201811237675.2A CN201811237675A CN109617043A CN 109617043 A CN109617043 A CN 109617043A CN 201811237675 A CN201811237675 A CN 201811237675A CN 109617043 A CN109617043 A CN 109617043A
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- China
- Prior art keywords
- branch
- normally opened
- breaker
- opened contact
- normally
- 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.)
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Classifications
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
Abstract
The invention discloses a kind of distribution systems, belong to field of power system.Distribution system includes: selection circuit, power distribution cabinet circuit, and m power distribution cabinet, selecting circuit includes n control relay, n linked switch and the n first branch, i-th of first branch is the coil of i-th of control relay in the n first branch, the normal open switch of i-th of linked switch, and a normally closed switch of the linked switch in addition to i-th of linked switch is connected the route to be formed, the n first branch is in parallel, power distribution cabinet circuit includes m total lock breakers and m second branch, j-th total j-th of power distribution cabinet of lock breaker control powers on, j-th second branch is j-th of total lock breaker and j-th of normally opened contact group the is connected route to be formed, j-th of normally opened contact group includes the first normally opened contact of at least one control relay, each first normally opened contact is in parallel in j-th of normally opened contact group , each first branch and each second branch respectively with power sources in parallel.
Description
Technical field
The present invention relates to field of power system, in particular to a kind of distribution system.
Background technique
Distribution system is the electric power network system as composed by a variety of controller switching equipments and facility (such as power distribution cabinet), Neng Gouzhi
It connects to terminal and loads the electric energy that distribution power supply unit provides.In the design of certain large-scale distribution systems, due to power supply unit (packet
Include generating set and battery) it is relatively more and distributed more widely, therefore accounted for from function and service cable cost, often adopt
Distribution system is arranged with the mode of local setting power distribution cabinet, to realize to system global power.The equal position of each power distribution cabinet of configuration
Between power supply unit and load, the power supply that power supply unit provides is distributed to load as required.For example, can be set in power supply
X power distribution cabinet is arranged in 300 regions ㎡ of standby covering.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems: due to X power distribution cabinet
It is more dispersed, when power distribution cabinets multiple in X power distribution cabinet need while when powering on, need to set more people respectively to the power distribution cabinet that need to be powered on into
Row power on operation, which increase manpower costs.In addition, needing different loads to work at the same time, this is just needed under different operating conditions
Different power distribution cabinets is powered on, there is a requirement that under, it need to be communicated in each power up with the personnel of powering on and ditch
Logical, to ensure to power on correct power distribution cabinet, this is the power distribution cabinet quantity that power on operation brings very big inconvenience, and powers on
It is more, it is easy to appear the phenomenon that power distribution cabinet accidentally powers on, this carrys out greater risk for personnel's safety belt.
Summary of the invention
The embodiment of the invention provides a kind of distribution systems, and personnel can be allowed easily to carry out the power on operation of power distribution cabinet,
The power on operation of power distribution cabinet can be completed by a personnel, save manpower costs；Also, it avoids the occurrence of power distribution cabinet accidentally to power on now
As highly-safe.The technical solution is as follows:
In a first aspect, provide a kind of distribution system, the distribution system include: selection circuit, power distribution cabinet circuit and
M power distribution cabinet, the selection circuit include n control relay, n linked switch and the n first branch, the control relay
Device includes coil and at least one first normally opened contact, and first normally opened contact is closed when the coil is powered, described
Dynamic switch includes normal open switch and n-1 normally closed switch, in the n first branch i-th of first branch for control for i-th after
The one of the coil of electric appliance, the normal open switch of i-th linked switch and the linked switch in addition to i-th of linked switch
A normally closed switch is connected the route to be formed, and the n first branch is in parallel, and the power distribution cabinet circuit includes m total lock breakers
With m second branch, j-th of distribution in m power distribution cabinet described in j-th of total lock breaker control in the total lock breakers of the m
Cabinet powers on, and j-th of second branch is j-th of total lock breaker and j-th of normally opened contact group series connection in the m second branch
The route of formation, j-th of normally opened contact group include first normally opened contact of at least one control relay, and described the
Each first normally opened contact is in parallel in j normally opened contact group, each first branch and each second branch point
Not and power sources in parallel, n and m is integer and is all larger than 1, i and j is positive integer, and i is less than or equal to n, and j is less than or equal to m.
Optionally, the linked switch is Instant-on push-button, and the control relay further includes the second normally opened contact, described the
Two normally opened contacts are closed when the coil is powered, it is described i-th control relay the second normally opened contact with described i-th
The normal open switch of dynamic switch is in parallel.
Optionally, the selection circuit further includes n the first indicator lights, and the second of i-th of the control relay is normally opened
I-th of first indicator lights in the tie point of the normal open switch of contact and i-th of linked switch and the n the first indicator lights
One end electrical connection, the other end of i-th of first indicator lights connect with the power supply.
Optionally, the selection circuit further includes stop button, one end of the stop button and the power electric connection,
The other end of the stop button is electrically connected with the first tie point of each first branch.
Optionally, total lock breaker includes end of incoming cables, leading-out terminal and device for under-voltage releasing equipment, the device for under-voltage releasing equipment
Including trip coil, in j-th of second branch, j-th of normally opened contact group is breaking with described j-th total lock respectively
One end of the trip coil of the device for under-voltage releasing equipment of the end of incoming cables of device and j-th of total lock breaker is electrically connected, and described j-th
The other end of the trip coil of the device for under-voltage releasing equipment of the leading-out terminal and j-th of total lock breaker of total lock breaker respectively with
The power electric connection.
Optionally, j-th of second branch is connected with j-th of normally-closed contact group, and j-th of normally opened contact group is located at
Between j-th of normally-closed contact group and j-th of total lock breaker, j-th of normally-closed contact group includes at least one
The normally-closed contact of the control relay, each normally-closed contact series connection in j-th of normally-closed contact group.
Optionally, the power distribution cabinet circuit further includes m closing switch, j-th of closing switch in the m closing switch
Route for being connected between the end of incoming cables of described j-th total lock breaker and the leading-out terminal of j-th of total lock breaker.
Optionally, the power distribution cabinet circuit further includes m separating brake switch, j-th of separating brake switch in the m separating brake switch
For disconnecting the route between the end of incoming cables of described j-th total lock breaker and the leading-out terminal of j-th of total lock breaker.
Optionally, total lock breaker further includes breaker normally-closed contact, and the breaker normally-closed contact is described de-
Button device coil disconnects when being powered,
The power distribution cabinet circuit further includes m the second indicator lights and m third branch, j-th in the m third branch
Third branch is j-th second in the breaker normally-closed contact and the m the second indicator lights of described j-th total lock breaker
Indicator light is connected the route to be formed, j-th of third branch respectively with j-th of second branch and the power sources in parallel.
Optionally, total lock breaker further includes breaker normally opened contact, and the breaker normally opened contact is described de-
Button device coil is closed when being powered, and the power distribution cabinet circuit further includes m third indicator light and m the 4th branches, the m a 4th
J-th of the 4th branches are the breaker normally opened contact and the m third indicator light of described j-th total lock breaker in branch
In j-th of third indicator light connect the route to be formed, j-th of the 4th branches respectively with j-th of third branch and institute
State power sources in parallel.
Technical solution provided in an embodiment of the present invention has the benefit that
By in i-th of first branch, the coil of i-th of control relay, i-th linked switch normal open switch, with
And the normally closed switch series connection of the linked switch in addition to i-th of linked switch；Activating i-th of linked switch and un-activation
When other linked switches in addition to i-th of linked switch, i-th of first branch is powered, and the coil of i-th of control relay obtains
Electricity, at this moment, each first normally opened contact of i-th of control relay are closed；When j-th of normally opened contact group includes i-th of control
When the first normally opened contact of relay processed, j-th of second branch is powered, and j-th of total lock breaker is incited somebody to action electric, to control jth
A power distribution cabinet powers on；When+1 normally opened contact group of jth also includes the first normally opened contact of i-th of control relay, jth+1
Second branch is powered, and jth+1 total lock breaker is incited somebody to action electric, powers on to control+1 power distribution cabinet of jth；In this way, by normal
The first normally opened contact that control relay is added in contact sets is opened, so that the first normally opened contact is connected with total lock breaker, is realized
Control relay powers on corresponding power distribution cabinet；In practical applications, can be according to actual condition, distributing control relay needs
Corresponding power distribution cabinet is controlled, multiple power distribution cabinets are powered on simultaneously to realize；Personnel only need to manipulate linked switch, just
It is able to carry out the power on operation of power distribution cabinet, improves the convenience of power on operation, also, the manipulation of linked switch can be by one
Personnel complete, and save manpower costs；Also, power distribution cabinet accidentally upper electrical phenomena can also be avoided the occurrence of, it is highly-safe.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of distribution system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram in selection circuit provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of second branch provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of second branch provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram in the selection circuit that 3 first branchs provided in an embodiment of the present invention are constituted；
Fig. 6 is the structural schematic diagram in the corresponding power distribution cabinet circuit of the 1st power distribution cabinet provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram in the corresponding power distribution cabinet circuit of the 2nd power distribution cabinet provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram in the corresponding power distribution cabinet circuit of the 3rd power distribution cabinet provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram in the corresponding power distribution cabinet circuit of the 4th power distribution cabinet provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 shows a kind of distribution system provided in an embodiment of the present invention.Referring to Fig. 1, which includes: to select back
Road 1, power distribution cabinet circuit 2 and m power distribution cabinet 3.Referring to fig. 2, selection circuit 1 is opened including n control relay 11, n linkage
Close 12 and the n first branch 13.Controlling relay 11 includes coil 11a and at least one first normally opened contact 11b.First is normally opened
Contact 11b is closed when coil 11a is powered.Linked switch 12 includes normal open switch 12a and n-1 normally closed switch 12b.N the
I-th of first branch i-13 is coil i-11a, i-th of the linked switch i-12 of i-th of control relay i-11 in one branch 13
Normal open switch i-12a and the linked switch 12 in addition to i-th of linked switch i-12 a normally closed switch 12b series connection
The route of formation.The n first branch 13 is in parallel.Power distribution cabinet circuit 2 includes m total lock breakers 21 and m second branch 22.m
J-th of total lock breaker j-21 controls in m power distribution cabinet 3 powering on for j-th of power distribution cabinet j-3 in a total lock breaker 21.Referring to
J-th of second branch j-22 is j-th of total lock breaker j-21 and j-th of normally opened contact group j- in Fig. 3, m second branchs 22
11c joins the route to be formed.J-th of normally opened contact group j-11c includes the first normally opened contact of at least one control relay 11
11b.Each first normally opened contact 11b is in parallel in j-th of normally opened contact group j-11c.Each first branch 13 and second each
Road 22 respectively with power sources in parallel.N and m is integer and is all larger than 1, i and j is positive integer, and i is less than or equal to n, j be less than or
Equal to m.
By in i-th of first branch i-13, the coil of i-th of control relay i-11, i-th linked switch i-12
One normally closed switch 12a of normal open switch i-12a and the linked switch 12 in addition to i-th of linked switch i-12 series connection；?
When activating i-th of linked switch i-12 and other linked switches 12 in addition to i-th of linked switch i-12 of un-activation, i-th
First branch i-13 be powered, i-th control relay i-11 coil obtain it is electric, at this moment, i-th control relay i-11 it is each
First normally opened contact 11b is closed；When j-th of normally opened contact group j-11c includes the first normally opened of i-th of control relay i-11
When the 11b of contact, j-th of second branch j-22 is powered, and j-th of total lock breaker j-21 incites somebody to action electric, thus j-th of power distribution cabinet of control
J-3 is powered on；When+1 normally opened contact group j-11c of jth also includes the first normally opened contact 11b of i-th of control relay i-11,
+ 1 second branch j-22 of jth is powered, and jth+1 total lock breaker j+1-21 incites somebody to action electric, to control on+1 power distribution cabinet of jth
Electricity；In this way, by the first normally opened contact 11b that control relay 11 is added in normally opened contact group 11c, so that the first normally opened touching
Point 11b connects with total lock breaker 21, realizes that control relay powers on corresponding power distribution cabinet；In practical applications, can
According to actual condition, distribution control relay 11 needs to control corresponding power distribution cabinet 3, to realize simultaneously to multiple power distribution cabinets 3
It is powered on；Personnel only need to manipulate linked switch 12, it will be able to which the power on operation for carrying out power distribution cabinet 3 improves power on operation
Convenience, also, the manipulation of linked switch 12 can be completed by personnel, save manpower costs；Also, it can also avoid
There is the accidentally upper electrical phenomena of power distribution cabinet 3, it is highly-safe.In addition, the power supply system is independently made of circuit element, do not controlled by outside
The influence of module (such as microprocessor) can be worked normally in the case where other control modules fail, maximum possible
It ensure that power supply reliability.
Illustratively, power supply is the alternating current of 380V.
Illustratively, referring to fig. 2, linked switch 12 is Instant-on push-button, and control relay 11 further includes the second normally opened contact
11d.Second normally opened contact 11d is closed when coil 11a is powered.I-th control relay i-11 the second normally opened contact 11d with
The normal open switch i-12a of i-th of linked switch i-12 is in parallel.
Instant-on push-button, only when pinning button, button is just active.It is opening in release (release) button
State.The normal open switch i- of the second normally opened contact 11d and i-th of linked switch i-12 of relay i-11 are controlled by i-th
12a is in parallel, can just discharge after short depression linked switch 12, and in the moment of pressing, i-th linked switch i-12's is normally opened
Switch i-12a closure, i-th control relay i-11 coil i-11a obtain it is electric, i-th control relay i-11 second often
Contact 11d closure is opened, i-th of linked switch i-12 in parallel is shorting out.At this moment, i-th of linked switch i-12 is discharged, linkage is opened
12 normal open switch 12a disconnection is closed, but due to being shorting out i-th of linked switch i-12, i-th of linked switch i-12
Release will not influence the power up of power distribution cabinet.
Illustratively, referring to fig. 2, selection circuit 1 further includes n the first indicator lights 14, i-th control relay i-11's
In tie point D and n the first indicator lights 14 of the normal open switch i-12a of second normally opened contact 11d and i-th of linked switch i-12
One end electrical connection of i-th of first indicator light i-14, the other end of i-th of first indicator light i-14 connect to power supply.
I-th of first indicator light i-14 are in the normal open switch i-12a closure of i-th linked switch i-12 or i-th
It is lit when the second normally opened contact 11d closure of control relay i-11, for prompting i-th of control relay i-11 and i-th
The power distribution cabinet that a linked switch i-12 jointly controls is power-up state.
Illustratively, referring to fig. 2, selection circuit 1 further includes stop button 15, and one end and the power supply of stop button 15 are electrically connected
It connects, the other end of stop button 15 is electrically connected with the first tie point of each first branch 13.
By the way that stop button 15 is arranged, stop button 15 can be pressed in some cases, after stop button 15 is pressed, just broken
The electrical connection of switch power supply and each first branch 13, to control all 3 power loss of power distribution cabinet.
Illustratively, referring to fig. 2, selection circuit 1 further includes the first fusing resistor 16 and the second fusing resistor 17, stops pressing
One end of button 15 is electrically connected by the first fusing resistor 16 with one end of power supply, and the second tie point of each first branch 13 passes through
Second fusing resistor 17 is electrically connected with the other end of power supply.
First fusing resistor 16 and the second fusing resistor 17 shield.When the voltage appearance exception of power supply, such as
When increase, the first fusing resistor 16 and the second fusing resistor 17 can shield.
Illustratively, referring to Fig. 3, total lock breaker 21 includes end of incoming cables P1, leading-out terminal P2 and device for under-voltage releasing equipment Q.Into
Line end P1 is for being connected to power distribution cabinet 3 and power supply unit.Leading-out terminal P2 is for being connected to power distribution cabinet 3 and load.As end of incoming cables P1 and go out
When line end P2 connection, power supply unit is connected to load.Device for under-voltage releasing equipment Q is used for when voltage is lower than setting voltage, automatic to disconnect
End of incoming cables P1 with and leading-out terminal P2 connection, shield.Device for under-voltage releasing equipment Q includes trip coil q.J-th second
In the j-22 of road, j-th of normally opened contact group j-11c is disconnected with the end of incoming cables P1 of j-th total lock breaker j-21 and j-th of total lock respectively
One end of the trip coil q of the device for under-voltage releasing equipment Q of road device j-21 is electrically connected, the leading-out terminal P2 of j-th of total lock breaker j-21
It is electrically connected to a power source respectively with the other end of the trip coil q of the device for under-voltage releasing equipment Q of j-th of total lock breaker j-21.
Illustratively, referring to fig. 4, control relay 11 further includes at least one normally-closed contact 11f, j-th of second branch
J-22 connects with j-th of normally-closed contact group j-11e, j-th normally opened contact group j-11c be located at j-th of normally-closed contact group j-11e and
Between j-th of total lock breaker j-21, j-th of normally-closed contact group j-11e includes the normally closed touching of at least one control relay 11
Each normally-closed contact 11f series connection in point 11f, j-th of normally-closed contact group j-11e.
By the way that the normally-closed contact 11f of control relay 11 is arranged in j-th of normally-closed contact group j-11e, relay is controlled
When 11 normally-closed contact disconnects, j-th of second branch j-22 is not powered on, and cannot execute power on operation to j-th of power distribution cabinet j-3.
This, which is realized, carries out upper electric protection for the power distribution cabinet for not needing to power on, and prevents wrong power on operation during the test, in turn
It causes casualties.
Illustratively, referring to Fig. 3 or Fig. 4, power distribution cabinet circuit 2 further includes m closing switch 23, m closing switch 23
In j-th closing switch j-23 be used to be connected to the end of incoming cables P1 and j-th of total lock breaker j-21 of j-th of total lock breaker j-21
Leading-out terminal P2 between route.
When j-th closing switch j-23 be state of activation (closure) and, the end of incoming cables P1 of j-th of total lock breaker j-21
When being powered with leading-out terminal P2, j-th of power distribution cabinet j-3 is power-up state, this provides safety assurance for powering on for power distribution cabinet.
Illustratively, referring to Fig. 3 or Fig. 4, power distribution cabinet circuit 2 further includes m separating brake switch 29, m separating brake switch 29
In j-th separating brake switch j-29 be used to disconnect the end of incoming cables P1 and j-th of total lock breaker j-21 of j-th of total lock breaker j-21
Leading-out terminal P2 between route.
Illustratively, referring to Fig. 3 or Fig. 4, total lock breaker 21 further includes breaker normally-closed contact K1, and breaker is normally closed
Contact K1 is disconnected when trip coil q is powered, and power distribution cabinet circuit 2 further includes m the second indicator lights 24 and m third branch
J-th third branch j-25 is j-th of total lock breaker j-21 in 25, m third branches 25 breaker normally-closed contact K1 and
J-th of second indicator light j-24 connect the route to be formed in m the second indicator lights 24, j-th of third branch j-25 respectively with jth
A second branch j-22 and power sources in parallel.
In j-th of third branch j-25, when the trip coil q of j-th of total lock breaker j-21 is not powered on, j-th
Second indicator light j-24 is lighted, and indicates that j-th of power distribution cabinet j-3 is not powered on；When the trip coil of j-th of total lock breaker j-21
When q is powered, j-th of second indicator light j-24 extinguish, and indicate that j-th of power distribution cabinet j-3 is powered on.Second indicator light 24 can be green
Lamp.
Illustratively, referring to Fig. 3 or Fig. 4, total lock breaker 21 further includes breaker normally opened contact K2, and breaker is normally opened
Contact K2 is closed when trip coil q is powered.Power distribution cabinet circuit 2 further includes m third indicator light 26 and m the 4th branches
J-th of the 4th branch j-27 are j-th of total lock breaker j-21 in 27, m the 4th branches 27 breaker normally opened contact K2 and
J-th of third indicator light j-26 connects the route to be formed in m third indicator light 26, j-th of the 4th branch j-27 respectively with jth
A third branch j-25 and power sources in parallel.
In j-th of the 4th branch j-27, when the trip coil q of j-th total lock breaker j-21 is powered, j-th the
Three indicator light j-26 are lighted, and indicate that j-th of power distribution cabinet j-3 is powered on；When j-th of total lock breaker j-21 trip coil q not
When energization, j-th of third indicator light j-26 extinguishes, and indicates that j-th of power distribution cabinet j-3 is not powered on.Third indicator light 26 can be red
Lamp.
Illustratively, power distribution cabinet circuit 2 further includes m fuse 28, and j-th of fuse j-28 divides in m fuse 28
It does not connect with j-th of second branch j-22, j-th of third branch j-25 and j-th of the 4th branch j-27.Fuse 28 is used
It shields in power distribution cabinet circuit 2.When electric current is excessive in power distribution cabinet circuit 2, heat that fuse 28 will be generated with itself
Amount makes melt fuse, and disconnects power distribution cabinet circuit 2.
In an exemplary scene, n=3, m=4, i=1,2 or 3, j=1,2,3 or 4.At this moment, which includes 3
The total lock of 11,3, a control relay power distribution cabinet 3,4 of the first indicator light 14,4 of the first branch 13,3 of linked switch 12,3
Breaker 21 and 4 second branch 22.In 3 control relays 11, the 1st control relay 1-11 includes 3 first normally opened
Contact 1-11b and 1 normally-closed contact 1-11f；2nd control relay 2-11 includes 3 the first normally opened contact 2-11b and 1
Normally-closed contact 2-11f；3rd control relay 3-11 includes 4 the first normally opened contact 3-11b.
Fig. 5 is the selection circuit 1 that 3 first branchs 13 are constituted.Referring to Fig. 5,3 first branchs 13 are respectively 1-13,2-
13 and 3-13.The coil 11a of 3 control relays 11 is respectively 1-11a, 2-11a and 3-11a.The of 3 control relays 11
Two normally opened contact 11d are respectively 1-11d, 2-11d and 3-11d.3 linked switches 12 are respectively 1-12,2-12 and 3-12.3
First indicator light 14 is respectively 1-14,2-14 and 3-14.
Fig. 6-Fig. 9 be respectively the 1st power distribution cabinet 1-3, the 2nd power distribution cabinet 2-3, the 3rd power distribution cabinet 3-3 and the 4th match
Corresponding 2 part of power distribution cabinet circuit electric cabinet 4-3.
Referring to Fig. 6, corresponding 2 part of power distribution cabinet circuit the 1st power distribution cabinet 1-3 includes the 1st second branch 1-22, the 1st
A third branch 1-25 and the 1st the 4th branch 1-27.Normally opened contact group 11c on 1st second branch 1-22 includes 3 controls
First normally opened contact 1-11b, 2-11b and 3-11b of relay 11 processed.1st second branch 1-22 further includes the 1st total lock control
Device 1-21 processed, the 1st closing switch 1-23 and the 1st separating brake switch 1-29.1st third branch 1-25 includes the 1st second
The breaker normally-closed contact K1 of indicator light 1-24 and the 1st total brake controller 1-21.1st the 4th branch 1-27 includes the 1st
The breaker normally opened contact K2 of third indicator light 1-26 and the 1st total brake controller 1-21.
Referring to Fig. 7, corresponding 2 part of power distribution cabinet circuit the 2nd power distribution cabinet 2-3 includes the 2nd second branch 2-22, the 2nd
A third branch 2-25 and the 2nd the 4th branch 2-27.Normally opened contact group 11c on 1st second branch 2-22 includes the 1st
Control the first normally opened contact 2-11b of first normally opened contact 1-11b and the 3rd control relay 2-11 of relay 1-11.
Normally-closed contact group 11c on 1st second branch 2-22 includes the normally-closed contact 2-11f of the 2nd control relay 2-11.2nd
A third branch 2-25 includes the breaker normally-closed contact K1 of the 2nd second indicator light 2-24 and the 2nd total brake controller 2-21.
2nd the 4th branch 2-27 includes the breaker normally opened contact of the 2nd third indicator light 2-26 and the 2nd total brake controller 2-21
K2。
The 1st power distribution cabinet 1-3 shown in corresponding 2 part of power distribution cabinet circuit the 3rd power distribution cabinet 3-3 and Fig. 6 shown in Fig. 8
Corresponding 2 part of power distribution cabinet circuit is similar, and details are not described herein.
The 2nd power distribution cabinet 2-3 shown in corresponding 2 part of power distribution cabinet circuit the 4th power distribution cabinet 4-3 and Fig. 7 shown in Fig. 9
Corresponding 2 part of power distribution cabinet circuit is similar, the difference is that, the normally opened contact group 11c on the 4th second branch 4-22 includes
The first normally opened contact of first normally opened contact 2-11b and the 3rd control relay 2-11 of 2nd control relay 2-11
2-11b；Normally-closed contact group 11c on 4th second branch 4-22 includes the normally-closed contact 2- of the 1st control relay 2-11
11f。
Wherein, after the 1st linked switch 1-12 activation, the 1st to 3 power distribution cabinet 3 is powered on, and the 4th power distribution cabinet does not allow to open
It is dynamic；After 2nd linked switch 2-12 activation, the 1st, 3 and 4 power distribution cabinet 3 is powered on, and the 2nd power distribution cabinet does not allow to start；3rd
After linked switch 1-12 activation, the 1st to 4 power distribution cabinet 3 is powered on.By taking the activation of the 1st linked switch 1-12 as an example, its work is introduced
Make process.After 1st linked switch 1-12 is pressed, the coil 1-11a of the 1st control relay 1-11 obtains electric, the first normally opened touching
The movement of the contact point 1-11b, all first normally opened contact 1-11b and the second normally opened contact 1-11d closure, all normally-closed contact 1-
11f is disconnected.It is shorting out the 1st linked switch 1-12 after second normally opened contact 1-11d closure, it is multiple in the 1st linked switch 1-12
It works on behind position (snap switch resetting time is very short).Meanwhile all first normally opened contact 1-11b closures, the 1st to 3 is matched
The corresponding power distribution cabinet circuit communication of electric cabinet, the corresponding power distribution cabinet circuit of the 4th power distribution cabinet disconnects, it is possible thereby to realize the 1st to 3
Power distribution cabinet 3 powers on, and the 4th power distribution cabinet does not allow to start.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of distribution system, which is characterized in that the distribution system includes: that circuit, power distribution cabinet circuit and m is selected to match
Electric cabinet, the selection circuit include n control relay, n linked switch and the n first branch, the control relay packet
Coil and at least one first normally opened contact are included, first normally opened contact is closed when the coil is powered, and the linkage is opened
Closing includes normal open switch and n-1 normally closed switch, and i-th of first branch is i-th of control relay in the n first branch
Coil, i-th linked switch normal open switch and one of the linked switch in addition to i-th of linked switch often
The route that series connection is formed is closed in make and break, and the n first branch is in parallel, and the power distribution cabinet circuit includes m total lock breakers and m
Second branch, in the total lock breakers of the m in m power distribution cabinet described in j-th of total lock breaker control j-th power distribution cabinet it is upper
Electricity, j-th of second branch is that j-th of total lock breaker and j-th of normally opened contact group connect to be formed in the m second branch
Route, j-th of normally opened contact group include the first normally opened contact of at least one control relay, and described j-th often
It is in parallel to open each first normally opened contact in contact sets, each first branch and each second branch respectively with electricity
Source is in parallel, and n and m are integer and are all larger than 1, i and j is positive integer, and i is less than or equal to n, and j is less than or equal to m.
2. distribution system according to claim 1, which is characterized in that the linked switch is Instant-on push-button, the control
Relay further includes the second normally opened contact, and second normally opened contact is closed when the coil is powered, it is described i-th control after
Second normally opened contact of electric appliance is in parallel with the normal open switch of i-th of linked switch.
3. distribution system according to claim 1, which is characterized in that the selection circuit further includes n the first indicator lights,
The tie point and the n of the normal open switch of the second normally opened contact and i-th of linked switch of i-th of the control relay
One end electrical connection of i-th of first indicator lights, the other end and the electricity of i-th of first indicator lights in a first indicator light
Source connection.
4. distribution system according to claim 1, which is characterized in that the selection circuit further includes stop button, described
The first of one end of stop button and the power electric connection, the other end of the stop button and each first branch connects
Contact electrical connection.
5. distribution system according to claim 1, which is characterized in that total lock breaker include end of incoming cables, leading-out terminal,
And device for under-voltage releasing equipment, the device for under-voltage releasing equipment include trip coil, in j-th of second branch, described j-th is normally opened
Contact sets are de- with the device for under-voltage releasing equipment of the end of incoming cables of described j-th total lock breaker and j-th of total lock breaker respectively
One end electrical connection of device coil is detained, the leading-out terminal of j-th of total lock breaker and the under-voltage of j-th of total lock breaker take off
Detain device trip coil the other end respectively with the power electric connection.
6. distribution system according to claim 5, which is characterized in that j-th of second branch and j-th of normally-closed contact
Group series connection, j-th of normally opened contact group are located between j-th of normally-closed contact group and j-th of total lock breaker, institute
Normally-closed contact that j-th of normally-closed contact group includes at least one control relay is stated, it is each in j-th of normally-closed contact group
A normally-closed contact series connection.
7. distribution system according to claim 5, which is characterized in that the power distribution cabinet circuit further includes m closing switch,
J-th closing switch is used to be connected to the end of incoming cables of described j-th total lock breaker and j-th described in the m closing switch
Route between the leading-out terminal of total lock breaker.
8. distribution system according to claim 7, which is characterized in that the power distribution cabinet circuit further includes m separating brake switch,
J-th of separating brake switch is for disconnecting the end of incoming cables of described j-th total lock breaker and j-th described in m separating brake switch
Route between the leading-out terminal of total lock breaker.
9. distribution system according to claim 5, which is characterized in that total lock breaker further includes the normally closed touching of breaker
Point, the breaker normally-closed contact are disconnected when the trip coil is powered,
The power distribution cabinet circuit further includes m the second indicator lights and m third branch, j-th of third in the m third branch
Branch is j-th second instructions in the breaker normally-closed contact and the m the second indicator lights of described j-th total lock breaker
Lamp string joins the route to be formed, j-th of third branch respectively with j-th of second branch and the power sources in parallel.
10. distribution system according to claim 5, which is characterized in that total lock breaker further includes that breaker is normally opened
Contact, the breaker normally opened contact are closed when the trip coil is powered, and the power distribution cabinet circuit further includes m third
Indicator light and m the 4th branches, j-th of the 4th branches are the open circuit of described j-th total lock breaker in the m the 4th branches
J-th of third indicator light is connected the route to be formed in device normally opened contact and the m third indicator light, described j-th the 4th
Road respectively with j-th of third branch and the power sources in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237675.2A CN109617043B (en) | 2018-10-23 | 2018-10-23 | Power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237675.2A CN109617043B (en) | 2018-10-23 | 2018-10-23 | Power distribution system |
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| Publication Number | Publication Date |
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| CN109617043A true CN109617043A (en) | 2019-04-12 |
| CN109617043B CN109617043B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811237675.2A Active CN109617043B (en) | 2018-10-23 | 2018-10-23 | Power distribution system |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201927560U (en) * | 2011-01-26 | 2011-08-10 | 北京人民电器厂有限公司 | Circuit breaker with selective protection function |
| CN104020382A (en) * | 2014-06-23 | 2014-09-03 | 国网河北省电力公司衡水供电分公司 | Three-phase portable simulation circuit breaker |
| CN204314645U (en) * | 2014-12-28 | 2015-05-06 | 南阳医学高等专科学校 | A kind of low-voltage distribution system by screen break-make automaton |
| CN205157741U (en) * | 2015-11-20 | 2016-04-13 | 湖南科技大学 | Take positive reverse motor of brake block to return factory and check and accept electrically controlled device |
-
2018
- 2018-10-23 CN CN201811237675.2A patent/CN109617043B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201927560U (en) * | 2011-01-26 | 2011-08-10 | 北京人民电器厂有限公司 | Circuit breaker with selective protection function |
| CN104020382A (en) * | 2014-06-23 | 2014-09-03 | 国网河北省电力公司衡水供电分公司 | Three-phase portable simulation circuit breaker |
| CN204314645U (en) * | 2014-12-28 | 2015-05-06 | 南阳医学高等专科学校 | A kind of low-voltage distribution system by screen break-make automaton |
| CN205157741U (en) * | 2015-11-20 | 2016-04-13 | 湖南科技大学 | Take positive reverse motor of brake block to return factory and check and accept electrically controlled device |
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| Publication number | Publication date |
|---|---|
| CN109617043B (en) | 2021-01-12 |
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