CN203734376U - Standby power supply engine automatic start/stop control circuit - Google Patents
Standby power supply engine automatic start/stop control circuit Download PDFInfo
- Publication number
- CN203734376U CN203734376U CN201420097356.7U CN201420097356U CN203734376U CN 203734376 U CN203734376 U CN 203734376U CN 201420097356 U CN201420097356 U CN 201420097356U CN 203734376 U CN203734376 U CN 203734376U
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- power supply
- circuit
- control circuit
- contactor
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Abstract
The utility model relates to a standby power supply engine automatic start/stop control circuit which comprises a power grid power supply control circuit and a standby power supply control circuit which are connected with a double-power-supply automatic switching switch. A coil of a power grid circuit contactor and a flameout electromagnet are arranged in parallel in the power grid power supply control circuit. A normally open contact of the power grid circuit contactor is connected in series to a power grid power supply main loop. A first normally closed contact of the power grid circuit contactor is connected in series with the flameout electromagnet. A coil of a standby circuit contactor is arranged in the standby power supply control circuit. The coil of the standby circuit contactor is connected in series with a second normally closed contact of the power grid circuit contactor. A normally open contact of the standby circuit contactor is connected in series to a standby power supply main loop. A first normally closed contact of the standby circuit contactor is connected in series with the coil of the power grid circuit contactor. Automatic start/stop control on a standby power supply engine can be realized, the circuit is automatically switched between a mains supply and a standby power supply, and the reliability of power supply is increased.
Description
Technical field
The utility model relates to a kind of control circuit, particularly a kind of stand-by power supply self-starting or stopping control circuit for engine.
Background technology
Along with social progress and expanding economy, people's normal production and life be unable to do without the uninterrupted power supply of civil power day by day, can say that the reliability of power supply directly has influence on people's production and quality of life, for fear of the during accidental power failure of civil power, house generator generating conventionally.But, when the normally used house generator of people does not possess civil power during accidental power failure at present, automatically start the function that automatically stops generating when generating electricity, again sending a telegram here.Therefore, in the time having a power failure, need on-the-spot artificial cut-out being connected of utility grid and user load, then connect generator and user load, starter-generator generates electricity; When incoming call, need scene manually to close generator, again user load is connected to utility grid, this process can stop customer power supply again could recover utility grid power supply.Whole process manual operation, comparatively trouble, and need the long period, cause unnecessary impact to people's production and life, or even loss.
At present domesticly disclosed the circuit that can realize generating set self-starting, but circuit design is comparatively complicated, power supply can not be applicable to three-phase mains.
Utility model content
The purpose of this utility model will overcome above-mentioned shortcoming exactly, provide a kind of simplicity of design, power supply to be applicable to three-phase mains, and can automatically control the startup of power autonomous engine and the control circuit stopping, be specially adapted to have a power failure and again restore electricity in situation at utility grid, realize the control of the uninterrupted power supply to user load.
For realizing this object, the technical solution adopted in the utility model is a kind of stand-by power supply self-starting or stopping control circuit for engine, it comprises mains supply control circuit, it is characterized in that: further comprising stand-by power supply control circuit, described mains supply control circuit and the stand-by power supply control circuit ATSE that is all connected with double power supply automatic switching switch; In described mains supply control circuit, be arranged in parallel electrical network circuit contactor coil C1 and flame-out electromagnet D, the normally open contact C1-1 of electrical network circuit contactor is connected on mains supply major loop, and electrical network circuit contactor the first normally closed interlock C1-2 and flame-out electromagnet D are connected in series; Stand-by circuit contactor coil C2 is set in described stand-by power supply control circuit, stand-by circuit contactor coil C2 connects with electrical network circuit contactor the second normally closed interlock C1-3, and stand-by circuit contactor normally open contact C2-1 is connected on stand-by power supply major loop, stand-by circuit contactor the first normally closed interlock C2-2 and electrical network circuit contactor coil C1 are connected in series.
Described stand-by power supply control circuit is also connected with stand-by power supply engine start control circuit, and described stand-by power supply engine start control circuit is connected between accumulator anode and cathode successively by storage battery, starter pull in winding L, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3.
On stand-by power supply engine start control circuit, be in series with engine speed switch S S, the circuit that engine speed switch S S and starter pull in winding L, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3 connect is connected between accumulator anode and cathode.
On the circuit between accumulator anode and cathode, be provided with manual/auto conversion starting switch SA and starter start button SB, the circuit parallel connection of connecting with engine speed switch S S, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3 after described manual/auto conversion starting switch SA and starter start button SB series connection.
Connect in the triple line of electrical network be connected the triple line of stand-by power supply engine on be respectively arranged with chopper switch K1, a K2.
On mains supply control circuit, be provided with the electric indicator light HL1 of net, the circuit parallel connection of connecting with electrical network circuit contactor the first normally closed interlock C1-2, flame-out electromagnet D.
On stand-by power supply engine start control circuit, be provided with power autonomous indicator light HL2, the circuit parallel connection of connecting with electrical network circuit contactor the second normally closed interlock C1-3, stand-by circuit contactor coil C2.
The utility model circuit design is simple, can realize power autonomous engine from off control, have a power failure and again restore electricity in the situation that, to user load uninterrupted power supply, increased the reliability of power supply at utility grid.
Brief description of the drawings
Fig. 1 is double supply automatic switch-over circuit schematic diagram of the present utility model.
Fig. 2 is the mains supply control circuit schematic diagram of Fig. 1.
Fig. 3 is the stand-by power supply control circuit schematic diagram of Fig. 1.
Fig. 4 is stand-by power supply engine start control circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection range of the present utility model with this.
Embodiment 1: the utility model comprises mains supply control circuit and stand-by power supply control circuit, mains supply control circuit and the stand-by power supply control circuit ATSE that is all connected with double power supply automatic switching switch.
As shown in Figure 1, the one end of the electrical network circuit contactor normally open contact C1-1 in mains supply control circuit connects double power supply automatic switching switch ATSE, and the other end connects triple line L1, L2 and the L3 of electric network source A; The one end of stand-by circuit contactor normally open contact C2-1 in stand-by power supply control circuit connects double power supply automatic switching switch ATSE, and the other end connects triple line L1, L2 and the L3 of stand-by power supply B; Double power supply automatic switching switch ATSE output is connected user load G by triple line O, L1, L2 with L3.
As shown in Figure 2, mains supply control circuit is made up of electrical network circuit contactor coil C1, electrical network circuit contactor the first normally closed interlock C1-2, stand-by circuit contactor the first normally closed interlock C2-2, flame-out electromagnet D, fuse FU1 and FU2.Electrical network circuit contactor coil C1 connects with stand-by circuit contactor the first normally closed interlock C2-2, electrical network circuit contactor the first normally closed interlock C1-2 connects with flame-out electromagnet D, described two series circuits are connected in parallel between two phase lines of electrical network, in two phase lines, each connection fuse FU1, FU2, connects with described parallel circuits.
As shown in Figure 3, stand-by power supply control circuit is made up of electrical network circuit contactor the second normally closed interlock C1-3, stand-by circuit contactor coil C2, fuse FU3, FU4.Electrical network circuit contactor the second normally closed interlock C1-3 is connected in two phase lines that are connected stand-by power supply with stand-by circuit contactor coil C2, at the each series connection of described two phase lines fuse FU3, a FU4.
As shown in Figure 4, stand-by power supply engine start control circuit is connected between accumulator anode and cathode successively by storage battery, starter pull in winding L, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3.
Operation principle and process: when electrical network normal power supply, power autonomous in halted state, the Chang Kaiduan of the normally open contact C2-1 of stand-by circuit contactor disconnects, electrical network circuit contactor coil C1 obtains electric by the self-locking normal-closed end of stand-by circuit contactor the first normally closed interlock C2-2, the normal-closed end of electrical network circuit contactor the first normally closed interlock C1-2 disconnects, flame-out electromagnet D decompression discharges, and engine is in the open state of awaiting orders, and double power supply automatic switching switch ATSE automatically switches to mains supply.
In the time of grid power blackout, the normal-closed end closure of electrical network circuit contactor the 3rd normally closed interlock C1-4, the normal-closed end closure of stand-by circuit contactor the second normally closed interlock C2-3, starter pull in winding L obtains electric adhesive, starter is started working, and engine starts to rotate under the effect of starter; After engine operation, the power autonomous voltage of setting up, stand-by circuit contactor coil C2 obtains electric adhesive by the self-locking normal-closed end of electrical network circuit contactor the second normally closed interlock C1-3, and double power supply automatic switching switch ATSE automatically switches to stand-by power supply power supply.
When electrical network is again when normal power supply, flame-out electromagnet D obtains electric adhesive by the normal-closed end of electrical network circuit contactor the first normally closed interlock C1-2, make to stall by flameout pull-cord, power autonomous decompression, stand-by circuit contactor coil C2 decompression, the Chang Kaiduan of its normally open contact C2-1 disconnects, the self-locking normal-closed end closure of its first normally closed interlock C2-2, electrical network circuit contactor coil C1 obtains the electric Chang Kaiduan closure that makes its normally open contact C1-1, and double power supply automatic switching switch ATSE automatically switches to mains supply.
Embodiment 2: for after engine operation, generator sets up before burning voltage and avoids starter hypervelocity to damage, on embodiment 1 stand-by power supply engine start control circuit, engine speed switch S S is set, improve as follows: as shown in Figure 4, stand-by power supply engine start control circuit is made up of storage battery, starter pull in winding L, engine speed switch S S, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3.The circuit that engine speed switch S S and starter pull in winding L, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3 connect is connected between accumulator anode and cathode.
Operation principle and process: in the time of grid power blackout, the normal-closed end closure of electrical network circuit contactor the 3rd normally closed interlock C1-4, the normal-closed end closure of stand-by circuit contactor the second normally closed interlock C2-3, starter pull in winding L obtains electric adhesive, and starter is started working.Engine starts to rotate under the effect of starter, and the speed switch SS on engine disconnects, and starter pull in winding L decompression discharges, and starter quits work; After engine operation, the power autonomous voltage of setting up, stand-by circuit contactor coil C2 obtains electric adhesive by the self-locking normal-closed end of electrical network circuit contactor the second normally closed interlock C1-3, and double power supply automatic switching switch ATSE automatically switches to stand-by power supply power supply.
Embodiment 3: for avoiding the power autonomous engine can not self-starting, can also in embodiment 1 stand-by power supply engine start control circuit, increase a manual/auto conversion starting switch and start button, improve as follows: as shown in Figure 4, stand-by power supply engine start control circuit is made up of storage battery, starter pull in winding L, power autonomous engine speed switch S S, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3, manual/auto conversion starting switch SA and start button SB.The positive pole of storage battery, starter pull in winding L, power autonomous engine speed switch S S, electrical network circuit contactor the 3rd normally closed interlock C1-4, stand-by circuit contactor the second normally closed interlock C2-3 are connected successively with the automatic end b of manual/auto conversion starting switch SA, the manual end a of manual/auto conversion starting switch SA is connected with one end of starting button SB, end of convert c is connected with the negative pole of storage battery, one end of other end connection speed switch S S of start button SB and one end of starter pull in winding L.
Operation principle and process: manual/auto conversion starting switch is switched to automatic end b, when electrical network normal power supply, power autonomous in halted state, the Chang Kaiduan of stand-by circuit contactor normally open contact C2-1 disconnects, electrical network circuit contactor coil C1 obtains electric by the self-locking normal-closed end of stand-by circuit contactor the first normally closed interlock C2-2, the Chang Kaiduan closure of electrical network circuit contactor normally open contact C1-1, the normal-closed end of electrical network circuit contactor the first normally closed interlock C1-2 disconnects, flame-out electromagnet decompression discharges, engine is in the open state of awaiting orders, double power supply automatic switching switch ATSE automatically switches to mains supply.
In the time that power autonomous engine can not automatically start after grid cut-off, can manually force manual/auto conversion starting switch to switch to manual end a, then press start button SB and manually start, starter pull in winding L obtains electric adhesive, and starter is started working.Engine starts to rotate under the effect of starter, decontrols start button SB starter is quit work.After engine operation, the power autonomous voltage of setting up, stand-by circuit contactor coil C2 obtains electric adhesive by the self-locking normal-closed end of the second normally closed interlock C1-3 of electrical network circuit contactor, the Chang Kaiduan of the normally open contact C1-1 of electrical network circuit contactor disconnects, the Chang Kaiduan closure of the normally open contact C2-1 of stand-by circuit contactor, double power supply automatic switching switch ATSE automatically switches to stand-by power supply power supply.
Embodiment 4: for can hand off electrical network and power autonomous, can on embodiment 1 mains supply major loop and power autonomous major loop, chopper switch K1, a K2 be respectively set, improve as follows: as shown in Figure 1, the one end of electrical network circuit contactor normally open contact C1-1 in mains supply control circuit connects double power supply automatic switching switch ATSE, the other end connects chopper switch K1, and the other end of chopper switch K1 connects triple line L1, L2 and the L3 of electric network source A; The one end of stand-by circuit contactor normally open contact C2-1 in stand-by power supply control circuit connects double power supply automatic switching switch ATSE, and the other end connects chopper switch K2, and the chopper switch K2 other end connects triple line L1, L2 and the L3 of stand-by power supply B.
Operation principle and process: in the time of electric network source or power autonomous power supply, can manual unlocking or close chopper switch K1 or K2, control the power supply to user load G.
Embodiment 5: in order further to indicate power supply state, can also in embodiment 1 mains supply control circuit and power autonomous control circuit, an indicator light be all set, improve as follows: as shown in Figure 2, mains supply control circuit by electrical network circuit contactor coil C1, electrical network circuit contactor the first normally closed interlock C1-2, stand-by circuit contactor the first normally closed interlock C2-2, flame-out electromagnet D, net electric indicator light HL1, fuse FU1 and FU2 forms.Electrical network circuit contactor coil C1 connects with stand-by circuit contactor the first normally closed interlock C2-2, electrical network circuit contactor the first normally closed interlock C1-2 connects with flame-out electromagnet D, described two series circuits and net electric indicator light HL1 and be connected in parallel between two phase lines of electrical network, in two phase lines, each connection fuse FU1, FU2, connects with described parallel circuits.
As shown in Figure 3, stand-by power supply control circuit is made up of electrical network circuit contactor the second normally closed interlock C1-3, stand-by circuit contactor coil C2, power autonomous indicator light HL2, fuse FU3 and FU4.Electrical network circuit contactor the second normally closed interlock C1-3 connects with stand-by circuit contactor coil C2, and described series circuit is connected in parallel in two phase lines that are connected stand-by power supply with power autonomous indicator light HL2, at the each series connection of described two phase lines fuse FU3, a FU4.
Operation principle and process: when electrical network normal power supply, net electric indicator light HL1 bright, power autonomous indicator light HL2 extinguishes; In the time of grid power blackout, power autonomous indicator light HL2 is bright, nets electric indicator light HL1 and extinguishes.
Claims (7)
1. a stand-by power supply self-starting or stopping control circuit for engine, it comprises mains supply control circuit, it is characterized in that: further comprising stand-by power supply control circuit, described mains supply control circuit and stand-by power supply control circuit be all connected with double power supply automatic switching switch (ATSE); In described mains supply control circuit, be arranged in parallel electrical network circuit contactor coil (C1) and flame-out electromagnet (D), the normally open contact (C1-1) of electrical network circuit contactor is connected on mains supply major loop, and electrical network circuit contactor the first normally closed interlock (C1-2) is connected in series with flame-out electromagnet (D); Stand-by circuit contactor coil (C2) is set in described stand-by power supply control circuit, stand-by circuit contactor coil (C2) is connected with electrical network circuit contactor the second normally closed interlock (C1-3), and stand-by circuit contactor normally open contact (C2-1) is connected on stand-by power supply major loop, stand-by circuit contactor the first normally closed interlock (C2-2) is connected in series with electrical network circuit contactor coil (C1).
2. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 1, it is characterized in that: described stand-by power supply control circuit is also connected with stand-by power supply engine start control circuit, described stand-by power supply engine start control circuit is connected between accumulator anode and cathode successively by storage battery, starter pull in winding (L), electrical network circuit contactor the 3rd normally closed interlock (C1-4), stand-by circuit contactor the second normally closed interlock (C2-3).
3. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 2, it is characterized in that: on stand-by power supply engine start control circuit, be in series with engine speed switch (SS), the circuit that engine speed switch (SS) and starter pull in winding (L), electrical network circuit contactor the 3rd normally closed interlock (C1-4), stand-by circuit contactor the second normally closed interlock (C2-3) are connected is connected between accumulator anode and cathode.
4. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 2, it is characterized in that: on the circuit between accumulator anode and cathode, be provided with manual/auto conversion starting switch (SA) and starter start button (SB), the circuit parallel connection of connecting with engine speed switch (SS), electrical network circuit contactor the 3rd normally closed interlock (C1-4), stand-by circuit contactor the second normally closed interlock (C2-3) after described manual/auto conversion starting switch (SA) and starter start button (SB) series connection.
5. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 1, is characterized in that: connect in the triple line of electrical network be connected the triple line of stand-by power supply engine on be respectively arranged with a chopper switch (K1, K2).
6. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 1, it is characterized in that: on mains supply control circuit, be provided with the electric indicator light of net (HL1), the circuit parallel connection of connecting with electrical network circuit contactor the first normally closed interlock (C1-2), flame-out electromagnet (D).
7. a kind of stand-by power supply self-starting or stopping control circuit for engine according to claim 1, it is characterized in that: on stand-by power supply engine start control circuit, be provided with power autonomous indicator light (HL2), the circuit parallel connection of connecting with electrical network circuit contactor the second normally closed interlock (C1-3), stand-by circuit contactor coil (C2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097356.7U CN203734376U (en) | 2014-03-05 | 2014-03-05 | Standby power supply engine automatic start/stop control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097356.7U CN203734376U (en) | 2014-03-05 | 2014-03-05 | Standby power supply engine automatic start/stop control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734376U true CN203734376U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097356.7U Expired - Fee Related CN203734376U (en) | 2014-03-05 | 2014-03-05 | Standby power supply engine automatic start/stop control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485735A (en) * | 2014-12-09 | 2015-04-01 | 山东潍坊烟草有限公司安丘分公司 | Automatic oil supply and flameout device for power supply switching device of power generator set and electricity network |
-
2014
- 2014-03-05 CN CN201420097356.7U patent/CN203734376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485735A (en) * | 2014-12-09 | 2015-04-01 | 山东潍坊烟草有限公司安丘分公司 | Automatic oil supply and flameout device for power supply switching device of power generator set and electricity network |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160305 |