CN206807135U - A kind of double diesel generating sets and mains supply switching system - Google Patents
A kind of double diesel generating sets and mains supply switching system Download PDFInfo
- Publication number
- CN206807135U CN206807135U CN201720397859.XU CN201720397859U CN206807135U CN 206807135 U CN206807135 U CN 206807135U CN 201720397859 U CN201720397859 U CN 201720397859U CN 206807135 U CN206807135 U CN 206807135U
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- diesel generating
- generating set
- mains supply
- switching
- controller
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Abstract
The utility model discloses a kind of double diesel generating sets and mains supply switching system, including controller, transition loads, the first switching switch of the out-put supply of the first diesel generating set, the out-put supply of the second diesel generating set and transition load is connected, and connects transition load, mains supply and is switched with the second switching of electric loading；Controller signals connection mains supply, the first diesel generating set and the second diesel generating set, first switching switch is provided with the first plug-in strip, and the M3 sides contact for making transition load be turned on the out-put supply of the first diesel generating set, and the M4 sides contact for making transition load be turned on the out-put supply of the second diesel generating set；Second switching switch is provided with the second plug-in strip, and the M1 sides contact for being turned on using electric loading with mains supply, and for using electric loading and the M2 sides contact of transition load conduction.
Description
Technical field
It the utility model is related to a kind of double diesel generating sets and mains supply switching system.
Background technology
Diesel generating set is generally used for when utility power failure at present, starts diesel generating set as emergency power supply
To meet the needs of electricity consumption load supplying.
In general automatic conversion control flow is by civil power/oil machine status monitor circuit, automatic change-over and control circuit group
Into, automatically control the equipment such as screen, diesel generating set with oil machine and form standby power system, need to provide power supply with electric loading
Will.
But in some occasions higher to power reguirements, if diesel generating set can not start when breaking down, this
When can not be just electricity consumption load supplying, so in this case using a traditional diesel generating set and civil power switching have
Certain danger, and in the case of diesel generating set long-play, backup diesel unit were it not for, can not be right
Diesel generating set carries out Maintenance and Repair.
Utility model content
The purpose of this utility model is for overcome the deficiencies in the prior art, there is provided a kind of double diesel generating sets and civil power
Power transfer system, it can overcome conventional diesel generating set can only be with a diesel-driven generator with mains supply switching system
The defects of group switches over, reduce not starting when diesel generating set breaks down after switching and brought by electricity consumption load supplying
Danger, also allow for the maintenance to the diesel generating set in stand-by state.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of double diesel generating sets and mains supply switching system, bag
Include controller, transition load, connect the out-put supply of the first diesel generating set, the out-put supply of the second diesel generating set and
First switching switch of the transition load, and the connection transition load, mains supply and the second switching with electric loading
Switch；
Controller signals connection mains supply, first diesel generating set and second diesel-driven generator
Group；
The first switching switch is provided with the first plug-in strip, and for making the transition load be sent out with first diesel oil
The M3 sides contact of the out-put supply conducting of group of motors, and for making the transition load and second diesel generating set
The M4 sides contact of out-put supply conducting；
The second switching switch is provided with the second plug-in strip, and for making described to be led with electric loading and the mains supply
Logical M1 sides contact, and for making the electric loading and the M2 sides contact of the transition load conduction.
Further, the first switching switch, the second switching switch, the controller, and it is described for making
The signaling switch that controller is connected with the first diesel generating set signal, and for making the controller and described second
The signaling switch of diesel generating set signal connection, is respectively positioned in a switch cubicle.
Further, the controller is internally integrated precession time timer.
Further, the controller is PLC.
The technical scheme of a kind of double diesel generating sets of the present utility model and mains supply switching system is employed, including
Controller, transition load, connect the out-put supply of the first diesel generating set, the out-put supply of the second diesel generating set and institute
The first switching switch of transition load is stated, and connects the transition load, mains supply and is opened with the second switching of electric loading
Close；Controller signals connection mains supply, first diesel generating set and second diesel generating set；It is described
First switching switch is provided with the first plug-in strip, and for making the transition load and the output of first diesel generating set
The M3 sides contact of power supply conducting, and for making the transition load be turned on the out-put supply of second diesel generating set
M4 sides contact；The second switching switch is provided with the second plug-in strip, and for making the electric loading and civil power electricity
The M1 sides contact of source conducting, and for making the electric loading and the M2 sides contact of the transition load conduction.Its technology is imitated
Fruit is：It can overcome conventional diesel generating set to be cut with mains supply switching system with a diesel generating set
The defects of changing, reducing can not start when diesel generating set breaks down after switching to be dangerous caused by electricity consumption load supplying,
Also allow for the maintenance to the diesel generating set in stand-by state.
Brief description of the drawings
Fig. 1 is a kind of double diesel generating sets of the present utility model and the switching schematic diagram of mains supply switching system.
Fig. 2 is a kind of double diesel generating sets of the present utility model and the logic chart of mains supply switching system.
Embodiment
Referring to Fig. 1, inventor of the present utility model is in order to preferably managing the technical solution of the utility model
Solution, is described in detail below by specific embodiment, and with reference to accompanying drawing：
Referring to Fig. 1, a kind of double diesel generating sets of the present utility model and mains supply switching system, including controller
1 and transition load 5, and connection the first diesel generating set 3 out-put supply, the out-put supply of the second diesel generating set 4
And the first switching switch TS1 of transition load 5, and connect transition load 5, mains supply 2 and cut with the second of electric loading
Change switch TS2.Precession time timer is also integrated with inside controller 1.
Wherein, city's electro-detection pin of the signal of mains supply 2 connection controller 1, the first diesel generating set 3 pass through first
Bavin hair remote signals RL4 connections controller 1, the second diesel generating set 4 sends out remote signals RL5 connection controllers by the second bavin
1。
Second switching switch TS2 is provided with the second plug-in strip, and the M1 sides for being turned on using electric loading with mains supply 2
Contact, and for using electric loading and the M2 sides contact of the conducting of transition load 5.
First switching switch TS1 is provided with the first plug-in strip, and for making transition load 5 and the first diesel generating set 3
Out-put supply conducting M3 sides contact, and for making transition load 5 be turned on the out-put supply of the second diesel generating set 4
M4 sides contact.
First plug-in strip TS1 and the second plug-in strip TS2 are connected with the signal of controller 1.
PLC can be selected in controller 1.
When civil power is normal, the second plug-in strip on the second switching switch TS2 closes a floodgate to M1 sides contact, civil power normal power supply.
When the second plug-in strip in line voltage failure, or the second switching switch TS2 closes a floodgate failure to M1 sides contact：
If controller 1 there is provided the first diesel generating set 3 is preferential unit, RL4 pairs of remote signals are sent out with the first bavin
The signaling switch closure answered, the first diesel generating set 3 starts, and the first plug-in strip on the first switching switch TS1 is to M3 sides contact
Close a floodgate.The second switching switch TS2 the second plug-in strip closes a floodgate to M2 sides contact simultaneously, and the first diesel generating set 3 is to electric loading
Normal power supply.
Because controller 1 has been internally integrated precession time timer, the first diesel generating set 3 can be set as preferential
Power supply, terminating during the precession time timer, i.e., the first diesel generating set 3 terminates as the timing of preferential unit, and
The first plug-in strip on one switching switch TS1 closes a floodgate to M4 sides contact.The out-put supply of second diesel generating set 4 is to electric loading
Normal power supply.First diesel generating set 3 aims at standby unit.
Closed in the first plug-in strip of the voltage failure of the first diesel generating set 3 or the first switching switch TS1 to M3 sides contact
In the case of lock failure, controller 1 disconnects signaling switch corresponding with the first bavin hair remote signals RL4, switchs the second switching
TS2 the second plug-in strip unclamps with M2 sides contact, the first switching switch TS1 the first plug-in strip is unclamped with M3 sides contact, makes and the
Signaling switch closure corresponding to two bavins hair remote signals RL5, the second diesel generating set 4 open machine operation, the first switching switch TS1
The first plug-in strip to M4 sides contact close a floodgate, second switching switch TS2 the second plug-in strip to M2 sides contact close a floodgate, the second diesel generation
The out-put supply of unit 4 is to electric loading normal power supply.
Behind city power recovery：
When first diesel generating set 3 is run, line voltage recovers normal, the first switching switch TS1 the first plug-in strip with
M3 sides contact is unclamped, and the second switching switch TS2 the second plug-in strip closes a floodgate to M1 sides contact, and civil power is to electricity consumption load supplying, with the
Signaling switch corresponding to one bavin hair remote signals RL4 disconnects, and the first diesel generating set 3 enters holding state.
When second diesel generating set 4 is run, line voltage recovers normal, the first switching switch TS1 the first plug-in strip with
M4 sides contact is unclamped, and the second switching switch TS2 the second plug-in strip closes a floodgate to M1 sides contact, and civil power is to electricity consumption load supplying, with the
Signaling switch corresponding to two bavins hair remote signals RL5 disconnects, and the second diesel generating set 4 enters holding state.
In a kind of double diesel generating sets of the present utility model and mains supply switching system, the first switching switch TS1, the
Two switching switch TS2, signaling switch corresponding with the first bavin hair remote signals RL4 are corresponding with the second bavin hair remote signals RL5
Signaling switch and controller 1 are respectively positioned in a switch cubicle.
A kind of double diesel generating sets of the present utility model can overcome conventional diesel to generate electricity with mains supply switching system
The defects of unit can only switch over mains supply switching system with a diesel generating set, reduce diesel generation after switching
Unit can not start when breaking down to be dangerous caused by electricity consumption load supplying, also allow for sending out the diesel oil in stand-by state
The maintenance of group of motors.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as to restriction of the present utility model, as long as in spirit of the present utility model, to described above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.
Claims (4)
1. a kind of double diesel generating sets and mains supply switching system, including controller, transition load, connection the first diesel oil hair
The out-put supply of group of motors, the out-put supply of the second diesel generating set and the first switching switch of transition load, and
Connect the transition load, mains supply and switched with the second switching of electric loading；It is characterized in that：
Controller signals connection mains supply, first diesel generating set and second diesel generating set；
The first switching switch is provided with the first plug-in strip, and for making the transition load and first diesel-driven generator
The M3 sides contact of the out-put supply conducting of group, and for making the transition load and the output of second diesel generating set
The M4 sides contact of power supply conducting；
The second switching switch is provided with the second plug-in strip, and for making described to be turned on the mains supply with electric loading
M1 sides contact, and for making the electric loading and the M2 sides contact of the transition load conduction.
2. a kind of double diesel generating sets according to claim 1 and mains supply switching system, it is characterised in that：It is described
First switching switch, the second switching switch, the controller, and for making the controller be sent out with first diesel oil
The signaling switch of group of motors signal connection, and be connected for making the controller with the second diesel generating set signal
Signaling switch, it is respectively positioned in a switch cubicle.
3. a kind of double diesel generating sets according to claim 1 and mains supply switching system, it is characterised in that：It is described
Controller is internally integrated precession time timer.
4. the double diesel generating sets of kind according to claim 1 and mains supply switching system, it is characterised in that：The control
Device processed is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720397859.XU CN206807135U (en) | 2017-04-17 | 2017-04-17 | A kind of double diesel generating sets and mains supply switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720397859.XU CN206807135U (en) | 2017-04-17 | 2017-04-17 | A kind of double diesel generating sets and mains supply switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807135U true CN206807135U (en) | 2017-12-26 |
Family
ID=60732414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720397859.XU Active CN206807135U (en) | 2017-04-17 | 2017-04-17 | A kind of double diesel generating sets and mains supply switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807135U (en) |
-
2017
- 2017-04-17 CN CN201720397859.XU patent/CN206807135U/en active Active
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