CN203504255U - Stress switching control circuit of uninterrupted power source - Google Patents
Stress switching control circuit of uninterrupted power source Download PDFInfo
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- CN203504255U CN203504255U CN201320663766.9U CN201320663766U CN203504255U CN 203504255 U CN203504255 U CN 203504255U CN 201320663766 U CN201320663766 U CN 201320663766U CN 203504255 U CN203504255 U CN 203504255U
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- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
A stress switching control circuit of an uninterrupted power source relates to the control circuit technical field; the stress switching control circuit comprises a first relay set and a second relay set; connection and disconnection time of commercial power and the uninterrupted power source can be controlled through arranging connection and disconnection time of the first relay set; the connection and disconnection time of the uninterrupted power source and a load can be controlled through arranging connection and disconnection time of the second relay set, thereby realizing stress switching of the uninterrupted power source, and verifying performance and reliability of the uninterrupted power source; the stress switching control circuit is simple in structure, low in cost, and can reduce fault generation after the uninterrupted power source leaves a factory.
Description
Technical field
The invention relates to control circuit technical field, particularly relates to a kind of stress control switching circuit of uninterrupted power supply.
Background technology
Uninterrupted power supply is a kind of energy storage device that contains, the power supply of the constant voltage constant frequency that the inverter of take is chief component.Be mainly used in providing continual supply of electric power to single computer, computer network system or other power electronic equipment.When civil power is inputted when normal, uninterrupted power supply will be supplied to load to use after civil power voltage stabilizing, and uninterrupted power supply is now an electric main pressurizer, and it also charges to self-contained battery simultaneously; When commercial power interruption (accident interruption), uninterrupted power supply is immediately by the electric energy of self-contained battery, and the square normal load of changing by inversion continues supply 220V alternating current, makes load maintain normal work and protects load soft and hardware not to be damaged.No-break power unit all provides protection to the excessive and voltage of voltage is too low conventionally.
Uninterrupted power supply is more and more extensive in the application of industry-by-industry at present, but because a lot of uninterrupted power supplys did not pass through testing authentication before dispatching from the factory, therefore causes fault of uninterrupted power source continuous.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and stress control switching circuit that a kind of uninterrupted power supply is provided, the stress control switching circuit of this uninterrupted power supply is simple in structure, the reliability and stability that cost is low, can fast verification uninterrupted power supply, the fault occurring after can reducing uninterrupted power supply and dispatching from the factory.
The purpose of this utility model is achieved through the following technical solutions:
A kind of stress control switching circuit of uninterrupted power supply is provided, comprise for controlling civil power and connect or disconnect with the first relay group of connect hours of uninterrupted power supply with for controlling uninterrupted power supply and connect or disconnect the second relay group with connect hours of load, the first relay is connected between civil power and the input of uninterrupted power supply, the first relay group is connected civil power access uninterrupted power supply, and the first relay group disconnects and has or not civil power access uninterrupted power supply; The second relay is connected between uninterrupted power supply and load, and the second relay group is connected uninterrupted power supply and powered to the load, and the second relay group disconnects uninterrupted power supply and do not power to the load.
Wherein, the first relay group comprises for controlling first relay K 1 connecting or disconnecting of civil power and uninterrupted power supply and for controlling the very first time relay K T1 of the time connecting or disconnecting of the first relay K 1, and the second relay group comprises for controlling second relay K 2 connecting or disconnecting of uninterrupted power supply and load and for controlling the second time relay KT2 of the time connecting or disconnecting of the second relay K 2.
Wherein, 4 pin of the first relay K 1 connect the L end of civil power, 3 pin of the first relay K 1 connect the input IN of uninterrupted power supply, 1 pin of the first relay K 1 connects the L end of civil power, 2 pin of the first relay K 1 connect 1 pin of very first time relay K T1, 4 of very first time relay K T1, 5, 6, 8 pin are unsettled, 3 pin of very first time relay K T1 are connected the N end of civil power with 7 pin, 2 pin of very first time relay K T1 connect the L end of civil power, 4 pin and 1 pin of very first time relay K T1 are normally-closed contacts, 3 pin and 1 pin of very first time relay K T1 are normally opened contacts, 5 pin and 8 pin of very first time relay K T1 are normally-closed contacts, 6 pin and 8 pin of very first time relay K T1 are normally opened contacts,
4 pin of the second relay K 2 connect uninterrupted power supply output OUT, 3 pin of the second relay K 2 connect load LOAD, 1 pin of the second relay K 2 connects civil power L, 2 pin of the second relay K 2 connect 1 pin of the second time relay KT2, 4 of the second time relay KT2, 5, 6, 8 pin are unsettled, 3 pin of the second time relay KT1 are connected the N end of civil power with 7 pin, 2 pin of the second time relay KT1 connect the L end of civil power, 4 pin and 1 pin of the second time relay KT1 are normally-closed contacts, 3 pin and 1 pin of the second time relay KT1 are normally opened contacts, 5 pin and 8 pin of the second time relay KT1 are normally-closed contacts, 6 pin and 8 pin of the second time relay KT1 are normally opened contacts.
Wherein, the first relay K 1 and the second relay K 2 are set to A.C. contactor.
The beneficial effects of the utility model: the utility model comprises the first relay group and the second relay group, by being set, controls the time of the turn-on and turn-off of the first relay group the connecting and disconnecting time of civil power and uninterrupted power supply, by being set, controls the turn-on and turn-off time of the second relay group the time that switches on and off of uninterrupted power supply and load, thereby the stress of realizing uninterrupted power supply switches, can verify the Performance And Reliability of uninterrupted power supply etc., circuit is simple, cost is low, the fault occurring after can reducing uninterrupted power supply and dispatching from the factory.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present embodiment.
Embodiment
With the following Examples the utility model is further described.
The stress control switching circuit of a kind of uninterrupted power supply of the present embodiment, as shown in Figure 1, comprise for controlling first relay K 1 connecting or disconnecting of civil power and uninterrupted power supply and for controlling the very first time relay K T1 of the time connecting or disconnecting of the first relay K 1, the second relay group comprises for controlling second relay K 2 connecting or disconnecting of uninterrupted power supply and load and for controlling the second time relay KT2 of the time connecting or disconnecting of the second relay K 2.
4 pin of the first relay K 1 connect the L end of civil power, 3 pin of the first relay K 1 connect the input IN of uninterrupted power supply, 1 pin of the first relay K 1 connects the L end of civil power, 2 pin of the first relay K 1 connect 1 pin of very first time relay K T1, 4 of very first time relay K T1, 5, 6, 8 pin are unsettled, 3 pin of very first time relay K T1 are connected the N end of civil power with 7 pin, 2 pin of very first time relay K T1 connect the L end of civil power, 4 pin and 1 pin of very first time relay K T1 are normally-closed contacts, 3 pin and 1 pin of very first time relay K T1 are normally opened contacts, 5 pin and 8 pin of very first time relay K T1 are normally-closed contacts, 6 pin and 8 pin of very first time relay K T1 are normally opened contacts,
4 pin of the second relay K 2 connect uninterrupted power supply output OUT, 3 pin of the second relay K 2 connect load LOAD, 1 pin of the second relay K 2 connects civil power L, 2 pin of the second relay K 2 connect 1 pin of the second time relay KT2, 4 of the second time relay KT2, 5, 6, 8 pin are unsettled, 3 pin of the second time relay KT1 are connected the N end of civil power with 7 pin, 2 pin of the second time relay KT1 connect the L end of civil power, 4 pin and 1 pin of the second time relay KT1 are normally-closed contacts, 3 pin and 1 pin of the second time relay KT1 are normally opened contacts, 5 pin and 8 pin of the second time relay KT1 are normally-closed contacts, 6 pin and 8 pin of the second time relay KT1 are normally opened contacts.
Wherein, the first relay K 1 and the second relay K 2 are set to A.C. contactor.A.C. contactor suction is large, and suction is reliably moving and wiring is simple.
The operation principle of the present embodiment is as follows:
Example is established very first time relay K T1 and is set to out 2 minutes, closes 3 minutes.When the very first time, relay K T1 opened 2 minutes, because 4 pin and 1 pin of very first time relay K T1 is normally-closed contact, its conducting 2 minutes, now, and the coil no power of the first relay K 1, the switch of the first relay K 1 disconnects 2 minutes; When very first time relay K T1 closes 3 minutes, normally opened contact 3 pin and the connection of 1 pin due to very first time relay K T1, now, the coil electricity of the first relay K 1, the switch of the first relay K 1 is closed 3 minutes, the input that is uninterrupted power supply has civil power input for 3 minutes, within 2 minutes, without civil power, inputs;
In like manner: suppose that the second time relay KT2 is set to conducting 4 minutes, turn-off 5 minutes.Because the second time relay KT2 is connected with the coil of the second relay K 2, now to obtain the electric time be 5 minutes to the coil of the second relay K 2, and the dead electricity time is 4 minutes, and uninterrupted power supply is load supplying 5 minutes, load power-off 4 minutes.
The present embodiment is controlled the time that switches on and off of the first relay K 1 by the time of the turn-on and turn-off of very first time relay K T1 is set, and then the connecting and disconnecting time of control civil power and uninterrupted power supply, by being set, controls the turn-on and turn-off time of the second time relay KT2 time that switches on and off of the second relay K 2, and then the time that switches on and off of control uninterrupted power supply and load, thereby the stress of realizing uninterrupted power supply switches, can verify the Performance And Reliability of uninterrupted power supply etc., circuit is simple, cost is low, the fault occurring after can reducing uninterrupted power supply and dispatching from the factory.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (4)
1. the stress control switching circuit of a uninterrupted power supply, it is characterized in that: comprise for controlling civil power and connect or disconnect with the first relay group of connect hours of uninterrupted power supply with for controlling uninterrupted power supply and connect or disconnect the second relay group with connect hours of load, the first relay is connected between civil power and the input of uninterrupted power supply, the first relay group is connected civil power access uninterrupted power supply, and the first relay group disconnects and has or not civil power access uninterrupted power supply; The second relay is connected between uninterrupted power supply and load, and the second relay group is connected uninterrupted power supply and powered to the load, and the second relay group disconnects uninterrupted power supply and do not power to the load.
2. the stress control switching circuit of a kind of uninterrupted power supply as claimed in claim 1, it is characterized in that: the first relay group comprises for controlling first relay K 1 connecting or disconnecting of civil power and uninterrupted power supply and for controlling the very first time relay K T1 of the time connecting or disconnecting of the first relay K 1, the second relay group comprises for controlling second relay K 2 connecting or disconnecting of uninterrupted power supply and load and for controlling the second time relay KT2 of the time connecting or disconnecting of the second relay K 2.
3. the stress control switching circuit of a kind of uninterrupted power supply as claimed in claim 2, it is characterized in that: 4 pin of the first relay K 1 connect the L end of civil power, 3 pin of the first relay K 1 connect the input IN of uninterrupted power supply, 1 pin of the first relay K 1 connects the L end of civil power, 2 pin of the first relay K 1 connect 1 pin of very first time relay K T1, 4 of very first time relay K T1, 5, 6, 8 pin are unsettled, 3 pin of very first time relay K T1 are connected the N end of civil power with 7 pin, 2 pin of very first time relay K T1 connect the L end of civil power, 4 pin and 1 pin of very first time relay K T1 are normally-closed contacts, 3 pin and 1 pin of very first time relay K T1 are normally opened contacts, 5 pin and 8 pin of very first time relay K T1 are normally-closed contacts, 6 pin and 8 pin of very first time relay K T1 are normally opened contacts,
4 pin of the second relay K 2 connect uninterrupted power supply output OUT, 3 pin of the second relay K 2 connect load LOAD, 1 pin of the second relay K 2 connects civil power L, 2 pin of the second relay K 2 connect 1 pin of the second time relay KT2, 4 of the second time relay KT2, 5, 6, 8 pin are unsettled, 3 pin of the second time relay KT1 are connected the N end of civil power with 7 pin, 2 pin of the second time relay KT1 connect the L end of civil power, 4 pin and 1 pin of the second time relay KT1 are normally-closed contacts, 3 pin and 1 pin of the second time relay KT1 are normally opened contacts, 5 pin and 8 pin of the second time relay KT1 are normally-closed contacts, 6 pin and 8 pin of the second time relay KT1 are normally opened contacts.
4. the stress control switching circuit of a kind of uninterrupted power supply as described in claim 2 or 3 any one, is characterized in that: the first relay K 1 and the second relay K 2 are set to A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663766.9U CN203504255U (en) | 2013-10-25 | 2013-10-25 | Stress switching control circuit of uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663766.9U CN203504255U (en) | 2013-10-25 | 2013-10-25 | Stress switching control circuit of uninterrupted power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504255U true CN203504255U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320663766.9U Expired - Lifetime CN203504255U (en) | 2013-10-25 | 2013-10-25 | Stress switching control circuit of uninterrupted power source |
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| CN (1) | CN203504255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452133A (en) * | 2021-06-18 | 2021-09-28 | 科华数据股份有限公司 | Relay control method, terminal, UPS and computer readable storage medium |
-
2013
- 2013-10-25 CN CN201320663766.9U patent/CN203504255U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452133A (en) * | 2021-06-18 | 2021-09-28 | 科华数据股份有限公司 | Relay control method, terminal, UPS and computer readable storage medium |
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Granted publication date: 20140326 |