CN209072071U - Two inlet wires of one kind and mother automatic switching control system - Google Patents
Two inlet wires of one kind and mother automatic switching control system Download PDFInfo
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- CN209072071U CN209072071U CN201821797536.0U CN201821797536U CN209072071U CN 209072071 U CN209072071 U CN 209072071U CN 201821797536 U CN201821797536 U CN 201821797536U CN 209072071 U CN209072071 U CN 209072071U
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Abstract
The utility model discloses a kind of two inlet wires and mother automatic switching control systems, including first switch incoming line cabinet, second switch incoming line cabinet, mother cabinet, first voltage relay and time relay control circuit, second voltage relay and time relay control circuit, mother cabinet control circuit；Mother cabinet control circuit and first voltage relay and time relay control circuit, second voltage relay and time relay control circuit interlocked, the switching between delays time to control mother cabinet and first switch incoming line cabinet, second switch incoming line cabinet；The technical program is related to that component is less, and+1 voltage relay of 2 time relays is respectively arranged in two incoming line cabinets；Component is less, and wiring is also few, and reliability improves.
Description
Technical field
The utility model relates to electric control systems, more particularly to a kind of two inlet wires and mother automatic switching control system.
Background technique
Due to that usually low-voltage (under-voltage or decompression) shape can occur due to electric power cabinet in existing electric control system
Condition, since the switching device majority of the inlet wire used in existing technology and mother is that a common inlet wire and mother inlet wire are cut
It changes, still, when being switched over using an inlet wire and mother, power supply will appear unstable phenomenon and occur, and use thus
Two inlet wires and mother automatic switching control system can ensure safety to greatest extent, rationally, easily automatically switch.Due to
Two inlet wires and mother automatic switching control system are extremely complex in the prior art, cause failure more.
Utility model content
The purpose of this utility model is to realize two inlet wires of one kind and mother certainly according to above-mentioned the deficiencies in the prior art place
Dynamic handover control system, which is characterized in that including first switch incoming line cabinet, second switch incoming line cabinet, mother cabinet, first voltage after
Electric appliance and time relay control circuit, second voltage relay and time relay control circuit, mother cabinet control circuit；?
Setting first voltage relay and time relay control circuit in first switch incoming line cabinet；For switching first switch incoming line cabinet
With the power supply of mother cabinet；Second voltage relay and time relay control circuit are set in second switch incoming line cabinet；For
Switch the power supply of second switch incoming line cabinet and mother cabinet；Mother cabinet control circuit is set in mother cabinet；Mother cabinet control circuit
It is carried out with first voltage relay and time relay control circuit, second voltage relay and time relay control circuit mutual
Switching between lock, delays time to control mother cabinet and first switch incoming line cabinet, second switch incoming line cabinet.
Further, the first inlet wire change-over switch, the first breaker, first voltage are set in the first switch incoming line cabinet
Relay, first time relay, second time relay, the first breaker；The first voltage relay and time after
Electrical apparatus control circuit is three tunnels: the first via is the normally-closed contact end of incoming cables of the control line connection first voltage relay of mother cabinet；
The coil end of incoming cables of normally-closed contact leading-out terminal connection the first time relay and second time relay of first voltage relay；
The finish lead of first time relay and second time relay connects one end of the normally-closed contact of second voltage relay；
The other end of the normally-closed contact of second voltage relay connects the auxiliary normally opened contact end of incoming cables of the first breaker, the first breaker
Auxiliary normally opened contact leading-out terminal connect Fisrt fault relay normally closed contact end of incoming cables, Fisrt fault relay normally closed contact goes out
Line end connects No. 10 end of incoming cables of normally opened contact of the 4th inlet wire change-over switch；The normally opened contact the 9th of 4th inlet wire change-over switch
The zero curve of number leading-out terminal connection mother cabinet；Second tunnel is that first switch incoming line cabinet control line connects the 1 of the first inlet wire change-over switch
Number endpoint；One end of No. 2 endpoints connection first switch incoming line cabinet start button of first inlet wire change-over switch；First switch inlet wire
The other end of cabinet start button connects the coil of the first breaker；First switch incoming line cabinet control line connects the conversion of the first inlet wire and opens
No. 5 endpoints closed；One end of the normally opened contact of No. 6 endpoints connection multifunction electric meter of first inlet wire change-over switch, multi-functional electricity
The other end of the normally opened contact of table is in parallel with first switch incoming line cabinet start button；Third road is the control line connection the of mother cabinet
No. 3 endpoints of one inlet wire change-over switch；No. 4 endpoints of the first inlet wire change-over switch connect the end of incoming cables of the first opening button；The
One opening button leading-out terminal connects the coil of the first breaker；The control line of mother cabinet connects No. 7 of the first inlet wire change-over switch
Endpoint；One end of the timing closing contact of No. 8 endpoints connection first time relay of first inlet wire change-over switch, at the first time
The other end of the timing closing contact of relay is connected in parallel on opening button leading-out terminal.
Further, the second inlet wire change-over switch, the second breaker, second voltage are set in the second switch incoming line cabinet
Relay, the third time relay, the 4th time relay；The second voltage relay and time relay control circuit
It is that the control line of mother cabinet connects the normally-closed contact end of incoming cables of second voltage relay for three tunnels: the first via；Second voltage relay
The end of incoming cables of the coil of the normally-closed contact leading-out terminal connection tertiary voltage relay and the 4th voltage relay of device；Tertiary voltage after
One end of the normally opened contact of the leading-out terminal connection first voltage relay of the coil of electric appliance and the 4th voltage relay；First voltage
The other end of the normally opened contact of relay connects the auxiliary normally opened contact end of incoming cables of the second breaker, and the auxiliary of the second breaker is normal
Open the end of incoming cables that contact leading-out terminal connects the second power transfer relay normally-closed contact, the leading-out terminal of the second power transfer relay normally-closed contact
Connect No. 12 end of incoming cables of normally opened contact of the 4th inlet wire change-over switch；The normally opened contact o.11 of 4th inlet wire change-over switch goes out
The zero curve of line end connection mother cabinet；Second tunnel is No. 1 end that second switch incoming line cabinet control line connects the second inlet wire change-over switch
Point；One end of No. 2 endpoints connection second switch incoming line cabinet start button of second inlet wire change-over switch；Second switch incoming line cabinet opens
The other end of dynamic button connects the coil of the second breaker；Second switch incoming line cabinet control line connects the second inlet wire change-over switch
No. 5 endpoints；One end of the normally opened contact of No. 6 endpoints connection multifunction electric meter of second inlet wire change-over switch, multifunction electric meter
The other end of normally opened contact is in parallel with second switch incoming line cabinet start button；Third road be mother cabinet control line connection second into
No. 3 endpoints of line change-over switch；No. 4 endpoints of the second inlet wire change-over switch connect the end of incoming cables of the second opening button；Second point
Lock button leading-out terminal connects the coil of the second breaker；The control line of mother cabinet connects No. 7 ends of the second inlet wire change-over switch
Point；Second inlet wire change-over switch No. 8 endpoints connection the third time relay timing closing contact one end, the third time after
The other end of the timing closing contact of electric appliance is connected in parallel on the second opening button leading-out terminal.
Further, setting third inlet wire change-over switch, the 4th inlet wire change-over switch, third open circuit in the mother cabinet
Device；The mother cabinet control circuit: the control line of mother cabinet connects No. 1 end of incoming cables of third inlet wire change-over switch, third inlet wire
No. 2 leading-out terminals of change-over switch connect No. 1 end of incoming cables of the 4th inlet wire change-over switch；The connection of 4th leading-out terminal of inlet wire change-over switch 2
Third start button end of incoming cables, third start button leading-out terminal connect third breaker coil；The control line connection the of mother cabinet
Three ends of incoming cables of inlet wire change-over switch 5, No. 6 leading-out terminals of third inlet wire change-over switch connect No. 6 inlet wires of the 4th inlet wire change-over switch
End；4th leading-out terminal of inlet wire change-over switch 5 connect first switch incoming line cabinet the first breaker normally-closed contact end of incoming cables with
And the end of incoming cables of the second breaker normally-closed contact of second switch incoming line cabinet, the normally closed touching of the first breaker of first switch incoming line cabinet
The leading-out terminal of point connects one end of the delay normally opened contact of second time relay, the delay normally opened contact of second time relay
The other end connect third breaker coil；The leading-out terminal connection the 4th of second breaker normally-closed contact of second switch incoming line cabinet
The other end connection third of one end of the delay normally opened contact of the time relay, the delay normally opened contact of the 4th time relay is disconnected
Road device coil.
Further, the first time relay is energization delay relay, and second time relay is power cut off delay
Relay.
Further, the third time relay is energization delay relay, and the 4th time relay is power cut off delay
Relay.
Having technical effect that using voltage relay+time relay assembled scheme for the utility model, is realized when two
Platform incoming line cabinet wherein one operation in occur low-voltage (under-voltage or decompression) situation when, cut off the breaker, automatically engage mother
Breaker, from another incoming power to two sections of bussed supplies (prepared auto restart).Ensure the continuity of power supply.The technical program is related to
Component is less, and+1 voltage relay of 2 time relays is respectively arranged in two incoming line cabinets；Component is less, wiring
Also few, reliability improves.
Detailed description of the invention
Fig. 1 is the first voltage relay and time relay control circuit schematic diagram of the utility model；
Fig. 2 is the second voltage relay and time relay control circuit schematic diagram of the utility model；
Fig. 3 is the mother cabinet electric operation control circuit figure schematic diagram of the utility model；
Fig. 4 is the switching schematic diagram of the utility model；
Fig. 5 is the first and second voltage relay wiring schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Disclose a kind of two inlet wires and mother automatic switching control system in conjunction with shown in attached drawing 4, in the present embodiment, including the
One switch incoming line cabinet 100, second switch incoming line cabinet 200, mother cabinet 300, first voltage relay and time relay control electricity
Road 101, second voltage relay and time relay control circuit 201, mother cabinet control circuit 301；In first switch inlet wire
Setting first voltage relay and time relay control circuit 101 in cabinet 100；For switching 100 He of first switch incoming line cabinet
The power supply of mother cabinet 300；Second voltage relay and time relay control circuit are set in second switch incoming line cabinet 200
201；For switching the power supply of second switch incoming line cabinet 200 and mother cabinet 300；Mother cabinet is set in mother cabinet 300 and controls electricity
Road 301；Mother cabinet control circuit 301 and first voltage relay and time relay control circuit 101, second voltage relay
It is interlocked with time relay control circuit 201, delays time to control mother cabinet 300 and first switch incoming line cabinet 100, second switch
Switching between incoming line cabinet 200.As shown in Fig. 4, voltage relay+time relay assembled scheme is used, is realized when two
Platform incoming line cabinet (first switch incoming line cabinet 100, second switch incoming line cabinet 200) wherein one operation in occur low-voltage (it is under-voltage or
Decompression) situation when, cut off the breaker, automatically engage mother cabinet 300, it is (standby from another incoming power to two sections of bussed supplies
From throwing).Ensure the continuity of power supply.The technical program is related to that component is less, and 2 time relays are respectively arranged in two incoming line cabinets
+ 1 voltage relay of device；Component is less, and wiring is also few, and reliability improves.
In order to realize above-mentioned function, in conjunction with shown in attached drawing 1, attached drawing 5, is being arranged in first switch incoming line cabinet 100
One inlet wire change-over switch 10, the first breaker 11, first voltage relay 12, first time relay 13, the second time relay
Device 14；First voltage relay and time relay control circuit 101 are three tunnels: the first via is that the control line 3011 of mother cabinet connects
Connect 121 end of incoming cables of normally-closed contact of first voltage relay；121 leading-out terminal of the normally-closed contact connection first of first voltage relay
The coil end of incoming cables of the time relay 13 and second time relay 14；First time relay 13 and second time relay 14
Finish lead connection second voltage relay normally-closed contact 221 one end；The normally-closed contact 221 of second voltage relay
The other end connect the first breaker 11 111 end of incoming cables of auxiliary normally opened contact, the auxiliary normally opened contact of the first breaker 11
111 leading-out terminals connect 112 end of incoming cables of Fisrt fault relay normally closed contact, 112 leading-out terminal of Fisrt fault relay normally closed contact
Connect No. 10 end of incoming cables of normally opened contact 401 of the 4th inlet wire change-over switch；The normally opened contact 401 of 4th inlet wire change-over switch
The zero curve 3021 of No. 9 leading-out terminal connection mother cabinets；Second tunnel is that first switch incoming line cabinet control line 1011 connects the first inlet wire turn
Change No. 1 endpoint of switch 10；The one of No. 2 endpoints connection first switch incoming line cabinet start button 15 of first inlet wire change-over switch 10
End；The other end of first switch incoming line cabinet start button 15 connects the coil of the first breaker 11；The control of first switch incoming line cabinet
Line 1011 connects No. 5 endpoints of the first inlet wire change-over switch 10；No. 6 endpoints of the first inlet wire change-over switch 10 connect multi-functional electricity
One end of the normally opened contact 161 of table, the other end and first switch incoming line cabinet start button of the normally opened contact 161 of multifunction electric meter
15 is in parallel；Third road is that the control line 3011 of mother cabinet connects No. 3 endpoints of the first inlet wire change-over switch 10；The conversion of first inlet wire
No. 4 endpoints of switch 10 connect the end of incoming cables of the first opening button 17；First opening button, 17 leading-out terminal connects the first breaker
11 coil；The control line 3011 of mother cabinet connects No. 7 endpoints of the first inlet wire change-over switch 10；First inlet wire change-over switch
One end of the timing closing contact 131 of 10 No. 8 endpoints connection first time relay, the timing closing of first time relay
The other end of contact 131 is connected in parallel on 17 leading-out terminal of the first opening button.Above-mentioned function realizes manual switching and cuts automatically
Change the first voltage relay and time relay control circuit inside the first switch incoming line cabinet 100 under both of which switching
101 control realizes the switching between first switch incoming line cabinet and mother cabinet.
In conjunction with shown in attached drawing 2, attached drawing 5, the second inlet wire change-over switch 20, second of setting is disconnected in second switch incoming line cabinet 200
Road device 21, second voltage relay 22, the third time relay 23, the 4th time relay 24；Second voltage relay and when
Between control relay circuit 201 be three tunnels: the first via be mother cabinet control line 3011 connect second voltage relay it is normally closed
221 end of incoming cables of contact；221 leading-out terminal of the normally-closed contact connection tertiary voltage relay 23 and the 4th electricity of second voltage relay
The end of incoming cables of the coil of potential relay 24；Tertiary voltage relay 23 is connected with the leading-out terminal of the coil of the 4th voltage relay 24
One end of the normally opened contact 121 of first voltage relay；The other end connection second of the normally opened contact 121 of first voltage relay
211 end of incoming cables of auxiliary normally opened contact of breaker, 211 leading-out terminal of auxiliary normally opened contact of the second breaker connect the second failure after
The leading-out terminal of the end of incoming cables of electric appliance normally-closed contact 212, the second power transfer relay normally-closed contact 212 connects the 4th inlet wire change-over switch
32 No. 12 end of incoming cables of normally opened contact；The normally opened contact o.11 leading-out terminal of 4th inlet wire change-over switch 32 connects mother cabinet
Zero curve 3021；Second tunnel is No. 1 endpoint that second switch incoming line cabinet control line 1201 connects the second inlet wire change-over switch 20；The
One end of No. 2 endpoints connection second switch incoming line cabinet start button 25 of two inlet wire change-over switches 20；Second switch incoming line cabinet opens
The other end of dynamic button 25 connects the coil of the second breaker 21；Second switch incoming line cabinet control line 1201 connects the second inlet wire and turns
Change No. 5 endpoints of switch 20；The one of the normally opened contact 161 of No. 6 endpoints connection multifunction electric meter of second inlet wire change-over switch 20
End, the other end of the normally opened contact 161 of multifunction electric meter are in parallel with second switch incoming line cabinet start button 25；Third road is mother
The control line 3011 of cabinet connects No. 3 endpoints of the second inlet wire change-over switch 20；No. 4 endpoints of the second inlet wire change-over switch 20 connect
Connect the end of incoming cables of the second opening button 26；Second opening button, 26 leading-out terminal connects the coil of the second breaker 21；Mother cabinet
Control line 3022 connects No. 7 endpoints of the second inlet wire change-over switch 20；No. 8 endpoints connection the of second inlet wire change-over switch 20
One end of the timing closing contact 231 of three time relays, the other end of the timing closing contact 231 of the third time relay is simultaneously
It is associated in 26 leading-out terminal of the second opening button.
Above-mentioned function realizes manual switching and automatically switches the second switch incoming line cabinet under both of which switching
The control of second voltage relay and time relay control circuit 201 inside 200 realizes second switch incoming line cabinet and mother
Join the switching between cabinet.
As shown in attached drawing 3, attached drawing 5, third inlet wire change-over switch 31, the 4th inlet wire change-over switch are set in mother cabinet 300
32, third breaker 33；Mother cabinet control circuit 301: the control line 3011 of mother cabinet connects third inlet wire change-over switch 31
No. 1 end of incoming cables, No. 2 leading-out terminals of third inlet wire change-over switch 31 connect No. 1 end of incoming cables of the 4th inlet wire change-over switch 32；4th
No. 2 leading-out terminals of inlet wire change-over switch 32 connect 34 end of incoming cables of third start button, 34 leading-out terminal of third start button connection the
Three breakers, 33 coil；The control line 3011 of mother cabinet connects third inlet wire and converts No. 5 ends of incoming cables of 31 switch, the conversion of third inlet wire
No. 316 leading-out terminals of switch connect No. 326 ends of incoming cables of the 4th inlet wire change-over switch；4th leading-out terminal of inlet wire change-over switch 325 connects
It connects the end of incoming cables of the first breaker normally-closed contact 113 of first switch incoming line cabinet 100 and the second of second switch incoming line cabinet is broken
The end of incoming cables of road device normally-closed contact 213, the leading-out terminal connection of normally closed 213 points of the touching of the first breaker of first switch incoming line cabinet 100
One end of the delay normally opened contact 141 of second time relay, the other end of the delay normally opened contact 141 of second time relay
Connect the coil of third breaker 33；The leading-out terminal connection the of second breaker normally-closed contact 213 of second switch incoming line cabinet 200
The other end of one end of the delay normally opened contact 241 of four time relays, the delay normally opened contact 241 of the 4th time relay connects
Connect 33 coil of third breaker.Above-mentioned function realizes manual switching and automatically switches the mother cabinet under both of which
Control.
In the applications described above, the first time relay 13 is energization delay relay, second time relay
14 be power-off delay relay；The third time relay 23 is energization delay relay, and the 4th time relay 24 is that power-off is prolonged
When relay.
As the utility model preferred embodiment, it is obvious to a person skilled in the art that the utility model is unlimited
It, can in the details of above-mentioned exemplary embodiment, and without departing substantially from the spirit or essential attributes of the utility model
The utility model and the protection scope of the utility model are realized in other specific forms.Which point therefore, no matter come from
It sees, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by appended claims
Rather than above description limits, it is intended that by all changes that come within the meaning and range of equivalency of the claims capsule
It includes in the utility model.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of two inlet wires and mother automatic switching control system, which is characterized in that including first switch incoming line cabinet, second switch
Incoming line cabinet, mother cabinet, first voltage relay and time relay control circuit, second voltage relay and time relay control
Circuit processed, mother cabinet control circuit；First voltage relay and time relay control electricity are set in first switch incoming line cabinet
Road；For switching the power supply of first switch incoming line cabinet and mother cabinet；Second voltage relay is set in second switch incoming line cabinet
With time relay control circuit；For switching the power supply of second switch incoming line cabinet and mother cabinet；Mother is set in mother cabinet
Cabinet control circuit；Mother cabinet control circuit and first voltage relay and time relay control circuit, second voltage relay
Interlocked with time relay control circuit, delays time to control mother cabinet and first switch incoming line cabinet, second switch incoming line cabinet it
Between switching；
First inlet wire change-over switch, the first breaker, first voltage relay, first are set in the first switch incoming line cabinet
The time relay, second time relay；The first voltage relay and time relay control circuit is three tunnels: first
Road is that the control line of mother cabinet connects the normally-closed contact end of incoming cables of first voltage relay；The normally-closed contact of first voltage relay
Leading-out terminal connects the coil end of incoming cables of first time relay and second time relay, first time relay and the second time
One end of the normally-closed contact of the finish lead connection second voltage relay of relay；The normally-closed contact of second voltage relay
The other end connect the first breaker auxiliary normally opened contact end of incoming cables, the first breaker auxiliary normally opened contact leading-out terminal connection
Fisrt fault relay normally closed contact end of incoming cables, Fisrt fault relay normally closed contact leading-out terminal connect the 4th inlet wire change-over switch
No. 10 end of incoming cables of normally opened contact；The zero curve of No. 9 leading-out terminal connection mother cabinet of normally opened contact of 4th inlet wire change-over switch；
Second tunnel is No. 1 endpoint that first switch incoming line cabinet control line connects the first inlet wire change-over switch；The 2 of first inlet wire change-over switch
One end of number endpoint connection first switch incoming line cabinet start button；The other end connection first of first switch incoming line cabinet start button
The coil of breaker；First switch incoming line cabinet control line connects No. 5 endpoints of the first inlet wire change-over switch；The conversion of first inlet wire is opened
One end of the normally opened contact of No. 6 endpoints connection multifunction electric meter closed, the other end of the normally opened contact of multifunction electric meter and first
It is in parallel to switch incoming line cabinet start button；Third road is that the control line of mother cabinet connects No. 3 endpoints of the first inlet wire change-over switch；The
No. 4 endpoints of one inlet wire change-over switch connect the end of incoming cables of the first opening button；First opening button leading-out terminal connection first is disconnected
The coil of road device；The control line of mother cabinet connects No. 7 endpoints of the first inlet wire change-over switch；No. 8 of first inlet wire change-over switch
Endpoint connect first time relay timing closing contact one end, the timing closing contact of first time relay it is another
End is connected in parallel on the first opening button leading-out terminal；
Second inlet wire change-over switch, the second breaker, second voltage relay, third are set in the second switch incoming line cabinet
The time relay, the 4th time relay；The second voltage relay and time relay control circuit is three tunnels: first
Road is that the control line of mother cabinet connects the normally-closed contact end of incoming cables of second voltage relay；The normally-closed contact of second voltage relay
Leading-out terminal connects the end of incoming cables of the coil of tertiary voltage relay and the 4th voltage relay；Tertiary voltage relay and the 4th electricity
One end of the normally opened contact of the leading-out terminal connection first voltage relay of the coil of potential relay；First voltage relay it is normally opened
The other end of contact connects the auxiliary normally opened contact end of incoming cables of the second breaker, the auxiliary normally opened contact leading-out terminal of the second breaker
The end of incoming cables of the second power transfer relay normally-closed contact is connected, the leading-out terminal of the second power transfer relay normally-closed contact connects the 4th inlet wire
No. 12 end of incoming cables of normally opened contact of change-over switch；The normally opened contact o.11 leading-out terminal of 4th inlet wire change-over switch connects mother
The zero curve of cabinet；Second tunnel is No. 1 endpoint that second switch incoming line cabinet control line connects the second inlet wire change-over switch；Second inlet wire turns
Change one end of No. 2 endpoints connection second switch incoming line cabinet start button of switch；Second switch incoming line cabinet start button it is another
The coil of the second breaker of end connection；Second switch incoming line cabinet control line connects No. 5 endpoints of the second inlet wire change-over switch；Second
Inlet wire change-over switch No. 6 endpoints connection multifunction electric meter normally opened contact one end, the normally opened contact of multifunction electric meter it is another
One end is in parallel with second switch incoming line cabinet start button；Third road is that the control line of mother cabinet connects the second inlet wire change-over switch
No. 3 endpoints；No. 4 endpoints of the second inlet wire change-over switch connect the end of incoming cables of the second opening button；Second opening button leading-out terminal
Connect the coil of the second breaker；The control line of mother cabinet connects No. 7 endpoints of the second inlet wire change-over switch；The conversion of second inlet wire
One end of the timing closing contact of No. 8 endpoints connection third time relay of switch, the timing closing of the third time relay
The other end of contact is connected in parallel on the second opening button leading-out terminal；
Third inlet wire change-over switch, the 4th inlet wire change-over switch, third breaker are set in the mother cabinet；The mother
Cabinet control circuit: the control line of mother cabinet connects No. 1 end of incoming cables of third inlet wire change-over switch, and third inlet wire change-over switch 2 go out
Line end connects No. 1 end of incoming cables of the 4th inlet wire change-over switch；4th leading-out terminal of inlet wire change-over switch 2 connect third start button into
Line end, third start button leading-out terminal connect third breaker coil；The control line of mother cabinet connects third inlet wire change-over switch 5
Number end of incoming cables, No. 6 leading-out terminals of third inlet wire change-over switch connect No. 6 ends of incoming cables of the 4th inlet wire change-over switch；The conversion of 4th inlet wire
The end of incoming cables of first breaker normally-closed contact of No. 5 leading-out terminal connection first switch incoming line cabinets of switch and second switch incoming line cabinet
The second breaker normally-closed contact end of incoming cables, the leading-out terminal connection the of the first breaker normally-closed contact of first switch incoming line cabinet
The other end of one end of the delay normally opened contact of two time relays, the delay normally opened contact of second time relay connects third
Breaker coil；The leading-out terminal of second breaker normally-closed contact of second switch incoming line cabinet connects the delay of the 4th time relay
The other end of one end of normally opened contact, the delay normally opened contact of the 4th time relay connects third breaker coil.
2. two inlet wires of one kind as described in claim 1 and mother automatic switching control system, which is characterized in that described first
The time relay is energization delay relay, and second time relay is power-off delay relay.
3. two inlet wires of one kind as described in claim 1 and mother automatic switching control system, which is characterized in that the third
The time relay is energization delay relay, and the 4th time relay is power-off delay relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797536.0U CN209072071U (en) | 2018-11-02 | 2018-11-02 | Two inlet wires of one kind and mother automatic switching control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797536.0U CN209072071U (en) | 2018-11-02 | 2018-11-02 | Two inlet wires of one kind and mother automatic switching control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209072071U true CN209072071U (en) | 2019-07-05 |
Family
ID=67097326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821797536.0U Active CN209072071U (en) | 2018-11-02 | 2018-11-02 | Two inlet wires of one kind and mother automatic switching control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209072071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983370A (en) * | 2020-08-31 | 2020-11-24 | 国网河南省电力公司濮阳供电公司 | Calibrator for calibrating backup power automatic switching protection device |
-
2018
- 2018-11-02 CN CN201821797536.0U patent/CN209072071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983370A (en) * | 2020-08-31 | 2020-11-24 | 国网河南省电力公司濮阳供电公司 | Calibrator for calibrating backup power automatic switching protection device |
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