CN204349574U - A kind of automatic transfer switch controller and electric power system - Google Patents
A kind of automatic transfer switch controller and electric power system Download PDFInfo
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- CN204349574U CN204349574U CN201420836240.0U CN201420836240U CN204349574U CN 204349574 U CN204349574 U CN 204349574U CN 201420836240 U CN201420836240 U CN 201420836240U CN 204349574 U CN204349574 U CN 204349574U
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- switch controller
- transfer switch
- automatic transfer
- relay
- power supply
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Abstract
The utility model provides a kind of automatic transfer switch controller and electric power system.Automatic transfer switch controller, be used for when main power source is abnormal for automatic transfer switch controller, control stand-by power supply works, and control automatic change-over and switch to stand-by power supply, described automatic transfer switch controller comprises the first relay, the second relay, the 3rd relay and the 4th relay.The utility model also provides a kind of electric power system using above-mentioned automatic transfer switch controller.Automatic transfer switch controller of the present utility model and the control using its electric power system only to utilize four relays can realize automatic change-over, structure is simple, and cost is low.
Description
Technical field
The utility model relates to power technique fields, particularly a kind of automatic transfer switch controller and electric power system.
Background technology
Along with the development of society, the life of current people more and more be unable to do without electricity, particularly present to the high reliability of power supply and the requirement of fail safe also more and more higher.And the reliable and stable of power supply is the prerequisite protecting power device, automation equipment safe and stable operation.
In order to improve reliability and the stability of power supply, existing electric power system generally comprises double power supply automatic transfer switch and automatic transfer switch controller, double power supply automatic transfer switch is used for the device for switching switched between conventional power supply or stand-by power supply by load circuit, to guarantee that important load is continuous, reliability service.Automatic transfer switch controller is used for the switching controlling automatic change-over according to the power supply state commonly using power supply and stand-by power supply.
But existing automatic transfer switch controller complex structure, and cost is higher.
Therefore, be necessary to provide the technical scheme of improvement to overcome the above technical problem existed in prior art.
Utility model content
It is simple that the main technical problems to be solved in the utility model is to provide a kind of structure, the automatic transfer switch controller that cost is low.
A kind of automatic transfer switch controller, described automatic transfer switch controller is used for automatic transfer switch controller and is used for when main power source is abnormal, control stand-by power supply works, and control automatic change-over and switch to stand-by power supply, described automatic transfer switch controller comprises the first relay, the second relay, the 3rd relay and the 4th relay.
Preferably, automatic transfer switch controller also for by main power transmission to automatic change-over using the operating power as automatic change-over, and when main power source is abnormal, transmission stand-by power supply is to automatic change-over using the operating power as automatic change-over.
Preferably, described automatic transfer switch controller also comprises urgent first normally closed switch, urgent second normally closed switch and urgent normal open switch, user controls described urgent first normally closed switch, described urgent second normally closed switch and described urgent normal open switch state by pressing danger button switches, thus controls described automatic change-over and switch to neutral position.
Preferably, described automatic transfer switch controller also comprises indicating member, and whether described indicating member is abnormal for the power supply showing described main power source and described stand-by power supply.
Preferably, described indicating member can also be used for the position showing automatic change-over switching.
Preferably, described indicating member comprises multiple light-emitting diode.
Preferably, described main power source is used for providing three-phase alternating voltage.
Preferably, described stand-by power supply is diesel engine unit.
Preferably, described second relay and the 3rd relay are time-delay relay.
The utility model also provides a kind of electric power system using above-mentioned automatic transfer switch controller.Described automatic transfer switch controller is used for automatic transfer switch controller and is used for when main power source is abnormal, control stand-by power supply works, and control automatic change-over and switch to stand-by power supply, described automatic transfer switch controller comprises the first relay, the second relay, the 3rd relay and the 4th relay.
Automatic transfer switch controller of the present utility model and the control using its electric power system only to utilize four relays can realize automatic change-over, structure is simple, and cost is low.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But it should be known that accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present utility model, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Fig. 1 is the module diagram of the electric power system of the utility model one execution mode.
Fig. 2 is the circuit diagram of the automatic transfer switch controller of the utility model one execution mode.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the module diagram of the electric power system of the utility model one execution mode.As shown in Figure 1, electric power system is used for powering to load 20, and electric power system comprises main power source 100, stand-by power supply 101, automatic change-over 102, automatic transfer switch controller 103.The input of automatic change-over 102 and the output of main power source 100, the output of stand-by power supply 101 and load 20 is connected.Automatic transfer switch controller 103, for when main power source 100 is abnormal, controls stand-by power supply 101 and works, and controls automatic change-over 102 and switch to stand-by power supply 101.
In the utility model one execution mode, automatic transfer switch controller 103 is also for transferring to automatic change-over 102 using the operating power as automatic change-over 102 by main power source 100, and when main power source 100 is abnormal, transmission stand-by power supply 101 to automatic change-over 102 is using the operating power as automatic change-over 102.Certainly, it will be appreciated by those skilled in the art that, the operating power of automatic change-over 102 also can be other power supply.
In the utility model one execution mode, stand-by power supply 101 is diesel engine unit.
In the utility model one execution mode, main power source 100 is for providing three-phase alternating voltage.
In the utility model one execution mode, automatic transfer switch controller 103, also for when receiving urgency signal, controlling automatic change-over 102 and switching to disjunction position and neutral position, all not connecting with load 20 to make main power source 100 and stand-by power supply 101.
Whether, in the utility model one execution mode, automatic transfer switch controller 103 comprises indicating member, abnormal for the power supply showing main power source 100 and stand-by power supply 101.Wherein, indicating member can also be used for showing the position such as automatic change-over 102 that automatic change-over 102 switches and switches to stand-by power supply 101.
Fig. 2 is the circuit diagram of the automatic transfer switch controller 103 of the utility model one execution mode.As shown in Figure 2, automatic transfer switch controller 103 comprises multiple interface and multiple relay.Wherein, first interface 1 is connected with the line end of stand-by power supply 101, second interface 2 is connected with the neutral line of stand-by power supply 101,3rd interface 3 is connected with the first line end of main power source 100,4th interface 4 is connected with the second line end of main power source 100,5th interface 5 is connected with the 3rd line end of main power source 100, and the 6th interface 6 is connected with the neutral line of main power source 100.7th interface 7 is connected with the line end of load 20, and the 8th interface 8 is connected with the neutral line of load 20.9th interface 9 is connected with the line end of the operating power of automatic change-over 102, tenth interface 10 is connected with the neutral line of the operating power of automatic change-over 102, 11 interface 11 is connected with the tenth interface 10, 12 interface 12 is connected with stand-by power supply 101 control end that turns of automatic change-over 102, 13 interface 13 is connected with main power source 100 control end that turns of automatic change-over 102, 14 interface 14 is connected with the neutral gear control end that turns of automatic change-over 102, 15 interface 15 assists normally opened contact to be connected with main power source 100 switch of automatic change-over 102, 16 interface 16 assists normally opened contact to be connected with stand-by power supply 101 switch of automatic change-over 102.17 interface 17 starts control end with first of stand-by power supply 101 and is connected, and the 18 interface 18 starts control end with second of stand-by power supply 101 and is connected.
Particularly, be provided with between first interface 1 with the second interface 2 mutually connect the first fuse F1, the second coil L2 of the second relay, urgent first normally closed switch K1, the 3rd relay the 3rd normally closed switch J3.
In the utility model one execution mode, be also provided with the first indicator light D1 and the first current-limiting resistance R1 between first interface 1 and the second interface 2, the first indicator light D1 is bright when stand-by power supply 101 is powered.
Particularly, the first coil L1 of the second fuse F2 and the first relay is provided with between the 3rd interface 3 and the 6th interface 6.The 3rd fuse F3, the first normal open switch J1 of the first relay, the 4th normal open switch J4 of the 4th relay, the tertiary coil L3 of the 3rd relay, urgent second normally closed switch K2 is provided with between 4th interface 4 and the 6th interface 6.The 4th coil L4 of the 4th fuse F4, the 4th relay is provided with between 5th interface 5 and the 6th interface 6.
In the utility model one execution mode, 4th normal open switch J4 of the 4th relay and be also provided with the second indicator light D2 and the second current-limiting resistance R2 between the tertiary coil L3 common port of the 3rd relay and the 6th interface 6, the second indicator light D2 is bright when main power source 100 is powered normal.
Particularly, the 3rd indicator light D3 connected and the 3rd current-limiting resistance R3 is provided with between the 7th interface 7 with the 8th interface 8.3rd indicator light D3 is used for bright when load 20 receives the voltage provided of main power source 100 or stand-by power supply 101.
Particularly, the 9th interface 9 is connected with the not moved end of the first commutator J1 ' of the first relay, and first moved end of the first commutator J1 ' is connected with the second interface 2, and second moved end of the first commutator J1 ' is connected with the 6th interface 6.Second commutator J1 of the tenth interface 10 and the first relay " not moved end be connected; first moved end of the second commutator J1 ' of the first relay is connected with first interface 1 by the first fuse F1, the second commutator J1 of the first relay " the second moved end pass through the second fuse F2 and be connected with the 3rd interface 3.
Particularly, 11 interface 11 is connected with the 12 interface 12 by the second normal open switch J2 of the second relay, and be connected with the 13 interface 13 by the 3rd normal open switch J3 ' of the 3rd relay, and be connected with the 14 interface 14 by urgent normal open switch K3.
Particularly, the 15 interface 15 is connected with the tenth interface 10 by the 4th current-limiting resistance R4 of series connection and the 4th indicator light D4, and the 16 interface 16 is connected with the tenth interface 10 by the 5th current-limiting resistance R5 that connects and the 5th indicator light D5.4th indicator light D4 is bright when main power source 100 is connected with load 20, and the 5th indicator light is bright when stand-by power supply 101 is connected with load 20.
Particularly, the 17 interface 17 is connected with the 4th interface 4 by the 4th normal open switch J4 of the 4th relay, the first normal open switch J1 of the first relay, the 3rd fuse F3, and the 18 interface 18 is connected with the 6th interface 6.
When user does not press emergency switch button, and main power source 100 is when powering normal, first coil L1 of the first relay and the 4th coil L4 of the 4th relay all there is electric current to pass through, first normal open switch J1 of the first relay, 4th normal open switch of the 4th relay closes, the not moved end of the first commutator J1 ' of the first relay is connected with second moved end of the first commutator J1 ' of the first relay, second commutator J1 of the first relay " the second commutator J1 of not moved end and the first relay " the second moved end be connected, therefore, the tertiary coil L3 of the 3rd relay also has electric current to pass through, second indicator light D2 is lit, thus, 3rd normal open switch J3 ' of the 3rd relay closes, 3rd normally closed switch J3 of the 3rd relay disconnects, therefore, 13 interface 13 is connected with the 3rd interface 3, export voltage that the first line end of main power source 100 provides and turn main power source 100 control end to automatic change-over 102, switch to main power source 100 power to control automatic change-over 102.
When user does not press emergency switch button, and main power source 100 is when powering abnormal, on first coil L1 of the first relay or the 4th coil L4 of the 4th relay, equal no current passes through, first normal open switch J1 of the first relay, 4th normal open switch of the 4th relay disconnects, 17 interface 17 is unsettled, namely the first startup control end of stand-by power supply 101 is unsettled, stand-by power supply 101 exports standby voltage, if the second coil L2 of the second relay has electric current to pass through, then the first indicator light D1 is lit, second normal open switch J2 of the second relay closes, 12 interface 12 is connected with first interface 1, export voltage that the first line end of stand-by power supply 101 provides and turn stand-by power supply 101 control end to automatic change-over 102, switch to stand-by power supply 101 power to control automatic change-over 102.
In the utility model one execution mode, the second relay and the 3rd relay are time-delay relay, to provide fault recognition time delay.
Wherein, urgent first normally closed switch K1, urgent second normally closed switch K2 and urgent normal open switch K3 change state according to the operation of user to danger button simultaneously, if namely user presses danger button, then urgent first normally closed switch K1, urgent second normally closed switch K2 disconnect, and urgent normal open switch K3 closes.14 interface 14 is connected with the 11 interface 11 by closed urgent normal open switch K3, thus export voltage that main power source 100 or stand-by power supply 101 provide and turn neutral gear control end to automatic change-over 102, thus control automatic change-over 102 and switch to neutral and main power source 100 and stand-by power supply 101 and all do not switch to load 20.
Automatic transfer switch controller 103 of the present utility model and the control using its electric power system only to utilize four relays can realize automatic change-over 102, structure is simple, and cost is low.
Apply specific case herein to set forth a kind of automatic transfer switch controller 103 of the present utility model and electric power system execution mode, the explanation of above execution mode just understands method of the present utility model and core concept thereof for helping; Simultaneously; for one of ordinary skill in the art; according to thought of the present utility model; all will change in specific embodiments and applications; to sum up; this description should not be construed as restriction of the present utility model, and protection range of the present utility model should be as the criterion with appended claim.
Claims (10)
1. an automatic transfer switch controller, it is characterized in that, described automatic transfer switch controller is used for automatic transfer switch controller and is used for when main power source is abnormal, control stand-by power supply works, and control automatic change-over and switch to stand-by power supply, described automatic transfer switch controller comprises the first relay, the second relay, the 3rd relay and the 4th relay.
2. automatic transfer switch controller as claimed in claim 1, it is characterized in that, automatic transfer switch controller also for by main power transmission to automatic change-over using the operating power as automatic change-over, and when main power source is abnormal, transmission stand-by power supply is to automatic change-over using the operating power as automatic change-over.
3. automatic transfer switch controller as claimed in claim 1, it is characterized in that, described automatic transfer switch controller also comprises urgent first normally closed switch, urgent second normally closed switch and urgent normal open switch, user controls described urgent first normally closed switch, described urgent second normally closed switch and described urgent normal open switch state by pressing danger button switches, thus controls described automatic change-over and switch to neutral position.
4. automatic transfer switch controller as claimed in claim 1, it is characterized in that, described automatic transfer switch controller also comprises indicating member, and whether described indicating member is abnormal for the power supply showing described main power source and described stand-by power supply.
5. automatic transfer switch controller as claimed in claim 4, is characterized in that, described indicating member can also be used for the position showing automatic change-over switching.
6. automatic transfer switch controller as claimed in claim 5, it is characterized in that, described indicating member comprises multiple light-emitting diode.
7. automatic transfer switch controller as claimed in claim 1, it is characterized in that, described main power source is used for providing three-phase alternating voltage.
8. automatic transfer switch controller as claimed in claim 1, it is characterized in that, described stand-by power supply is diesel engine unit.
9. automatic transfer switch controller as claimed in claim 1, it is characterized in that, described second relay and the 3rd relay are time-delay relay.
10. an electric power system, is characterized in that, described electric power system comprises the automatic transfer switch controller as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836240.0U CN204349574U (en) | 2014-12-25 | 2014-12-25 | A kind of automatic transfer switch controller and electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836240.0U CN204349574U (en) | 2014-12-25 | 2014-12-25 | A kind of automatic transfer switch controller and electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349574U true CN204349574U (en) | 2015-05-20 |
Family
ID=53232817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420836240.0U Expired - Fee Related CN204349574U (en) | 2014-12-25 | 2014-12-25 | A kind of automatic transfer switch controller and electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204349574U (en) |
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2014
- 2014-12-25 CN CN201420836240.0U patent/CN204349574U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151225 |
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| EXPY | Termination of patent right or utility model |