CN203481889U - Multi-standard voltage-outputting uninterruptible power supply - Google Patents
Multi-standard voltage-outputting uninterruptible power supply Download PDFInfo
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- CN203481889U CN203481889U CN201320613682.4U CN201320613682U CN203481889U CN 203481889 U CN203481889 U CN 203481889U CN 201320613682 U CN201320613682 U CN 201320613682U CN 203481889 U CN203481889 U CN 203481889U
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Abstract
The utility model discloses a multi-standard voltage-outputting uninterruptible power supply which comprises a transformer, a voltage output control circuit and an interlock switch. The transformer comprises at least two secondary coils. The contact of each secondary coil is connected with the voltage output control circuit. The voltage output control circuit is connected with the interlock switch. According to the multi-standard voltage-outputting uninterruptible power supply, control mode of the voltage output control circuit is determined through selecting the operation mode of the interlock switch, thereby realizing multi-standard outputting of the transformer. The multi-standard voltage-outputting uninterruptible power supply has the following advantages: simple circuit structure, flexible voltage adjustment mode, low cost, simple operation and high economical performance.
Description
Technical field
The utility model relates to uninterrupted power supply technical field, relates in particular to a kind of uninterrupted power supply of multi-modulation scheme Voltage-output.
Background technology
UPS(Uninterruptible Power System/Uninterruptible Power Supply, uninterrupted power supply) be a kind of energy storage device that contains, the uninterrupted power supply of the constant voltage constant frequency that the inverter of take is chief component.Along with the development of informationization technology, UPS is more and more widely used in a plurality of applications such as computer and network system.But from user's angle, common a kind of UPS can not meet loaded power demands, different power utilization environments has different standard requirements to the output voltage of UPS.Such as what user load had, require input voltage 220V, what have requires input voltage 110V, and user just must buy the different power supply of two covers like this, has increased equipment purchasing cost, and the switchings of many cover power supplies simultaneously have also increased maintenance cost.
The method that traditional UPS realizes multi-modulation scheme Voltage-output generally adopts dsp chip as control device, realizes multi-modulation scheme export by control inverter, and it controls complicated, with high costs.
Utility model content
The purpose of this utility model is to propose a kind of uninterrupted power supply of multi-modulation scheme Voltage-output, solves above technical problem.
For reaching this object, the utility model by the following technical solutions:
A uninterrupted power supply for multi-modulation scheme Voltage-output, comprising: transformer, voltage output control circuit and interlock switch;
Described transformer comprises at least two secondary coils, and the contact of described secondary coil is connected with described voltage output control circuit, and described voltage output control circuit is connected with described interlock switch.
Preferably, described interlock switch comprises mode selection switch and auxiliary contact;
The mode of operation of described mode selection switch comprises series connection output mode and output mode in parallel, described auxiliary contact is the state detecting device of described interlock switch, its one end is connected with described mode selection switch, its other end connects described voltage output control circuit, for determine the mode select signal of described auxiliary contact output according to the mode of operation of described mode selection switch, determine the control mode of described voltage output control circuit.
Preferably, described secondary coil comprises the first secondary coil and second subprime coil, and described voltage output control circuit comprises the first relay and the second relay;
Described the first secondary coil comprises the first High voltage output terminal and the first low-voltage output, and described second subprime coil comprises the second High voltage output terminal and the second low-voltage output;
Described the first High voltage output terminal is connected with the 4th pin of described the first relay, described the first low-voltage output is connected with the second pin of described the first relay and the 4th pin of described the second relay respectively, described the second High voltage output terminal is connected with the 3rd pin of described the first relay and the 3rd pin of described the second relay respectively, described the second low-voltage output is connected with the first pin of described the first relay, and the 4th pin of described the first relay and the first pin of described the first relay are connected respectively described mode selection switch.
Preferably, described voltage output control circuit also comprises relay power and power control circuit, and described relay power comprises the first relay power and the second relay power;
Described the first relay comprises the first solenoid, and described the second relay comprises the second solenoid, and described the first solenoid is connected with described the second relay power with described the first relay power respectively with described the second solenoid;
Described the first relay power is connected with described power control circuit respectively with described the second relay power, described power control circuit is connected with described auxiliary contact, for state the operating state of the first relay power and described the second relay power described in the modulus selection signal controlling of described auxiliary contact output, thereby control the on/off electricity of described the first solenoid and described the second solenoid.
Preferably, described transformer also comprises capacitor C 1 and capacitor C 2, the two ends of capacitor C 1 respectively with described the first High voltage output terminal and described the first low-voltage output sub-connection, the two ends of capacitor C 2 respectively with described the second High voltage output terminal and described the second low-voltage output sub-connection.
Preferably, described transformer is arranged at the AC of the inverter of uninterrupted power supply, and described transformer also comprises primary coil, and described primary coil is connected with the inverter of uninterrupted power supply.
The beneficial effects of the utility model: the utility model is determined the control mode of described voltage output control circuit by the selection of the mode of operation of interlock switch, control the connected mode of the series/parallel of described secondary coil, realize the multi-modulation scheme output of transformer, circuit structure is simple, the mode that voltage is adjusted is flexible, with low cost, and simple to operate, be a kind of simple, economic multi-modulation scheme uninterrupted power supply.
Accompanying drawing explanation
Fig. 1 is the UPS circuit theory diagrams of the multi-modulation scheme Voltage-output of the first embodiment.
Fig. 2 is the power control circuit schematic diagram of the interlock switch of the first embodiment.
In figure: 101, transformer; 102, voltage output control circuit; 103, interlock switch; 104, primary coil; 105, the first secondary coil; 106, second subprime coil; 107, the first relay; 108, the second relay; 109, power control circuit; 110, auxiliary contact; 111, moving contact; 112, normally-closed contact; 113, normally opened contact; 114, the first solenoid; 115, the second solenoid; 116, control switch; 117, starting switch; 118, relay power.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Please refer to Fig. 1, Fig. 1 is the UPS circuit theory diagrams of the multi-modulation scheme Voltage-output of the first embodiment.The uninterrupted power supply of the multi-modulation scheme Voltage-output the utility model proposes, comprising: transformer 101, voltage output control circuit 102 and interlock switch 103.
Wherein, transformer 101 is arranged at the AC of the inverter of uninterrupted power supply, comprises primary coil 104, at least two secondary coils, that is, and the first secondary coil 105 and second subprime coil 106.
Primary coil 104 is connected with the inverter of uninterrupted power supply, and the contact of the first secondary coil 105 and second subprime coil 106 is connected with voltage output control circuit 102, and voltage output control circuit 102 is connected with interlock switch 103.
The mode of operation of interlock switch 103 comprises series model and paralleling model, by selecting the mode of operation of interlock switch 103, determine the control mode of voltage output control circuit 102, control the connected mode of the series/parallel of the first secondary coil 105 and second subprime coil 106, thus the different voltage of control transformer 101 output.
Concrete, with reference to figure 2, Fig. 2 is the power control circuit schematic diagram of the interlock switch of the first embodiment, interlock switch 103 comprises mode selection switch and auxiliary contact 110; The mode of operation of mode selection switch comprises series connection output mode and output mode in parallel, auxiliary contact 110 is the state detecting device of interlock switch 103, its one end is connected with mode selection switch, its other end connects voltage output control circuit 102, according to the mode of operation of mode selection switch, determine the mode select signal of auxiliary contact 110 outputs, according to the mode select signal of auxiliary contact 110 outputs, control the series/parallel connected mode of voltage output control circuit 102.
More specifically, voltage output control circuit 102 comprises the first relay 107 and the second relay 108; The first secondary coil 105 comprises the first High voltage output terminal and the first low-voltage output, and second subprime coil 106 comprises the second High voltage output terminal and the second low-voltage output.
The first relay 107 comprises the first switch, second switch and the first solenoid, and the second relay 108 comprises the 3rd switch, the 4th switch and the second solenoid.
The first end of the first switch is the first pin of the first relay, and the second end of the first switch is the second pin of the first relay, and the first end of second switch is the 3rd pin of the first relay, and the second end of second switch is the 4th pin of the first relay; The first end of the 3rd switch is the first pin of the second relay, and the second end of the 3rd switch is the second pin of the second relay, and the first end of the 4th switch is the 3rd pin of the second relay, and the second end of the 4th switch is the 4th pin of the second relay.
The first High voltage output terminal is connected with the 4th pin of the first relay, the first low-voltage output is connected with the second pin of the first relay 107 and the 4th pin of the second relay 108 respectively, the second High voltage output terminal is connected with the 3rd pin of the first relay 107 and the 3rd pin of the second relay 108 respectively, the second low-voltage output is connected with the first pin of the first relay 107, and the first pin of the 4th pin of the first relay 107 and the first relay 107 is connection mode selector switch respectively.
Mode selection switch has two kinds of operating states: tandem working pattern and parallel operation pattern, and the output mode of associative mode selector switch comprises L1/N1, two kinds of output modes of L2/N2; When mode selection switch is selected parallel operation pattern, L1/N1 is the output of interlock switch 103; When mode selection switch is selected tandem working pattern, L2/N2 is the output of interlock switch 103.
When L1/N1 is during as the output of interlock switch 103, its status signal is controlled the first solenoid 114 cut-in operation power supplys of the first relay 107, the first switch of the first relay 107 and second switch adhesive, and transformer 101 is realized output in parallel.
When L2/N2 is during as the output of interlock switch 103, the second solenoid 115 cut-in operation power supplys of its status signal the second relay 108, the 3rd switch of the second relay 108 and the 4th switch adhesive, transformer 101 is realized series connection output.
Concrete, auxiliary contact 110 one end connection mode selector switches, other end connection power control circuit 109, power control circuit 109 comprises relay power 118, starting switch 117 and control switch 116.Starting switch 117 is connected with the other end of auxiliary contact 110.
When L1/N1 is during as the output of interlock switch 103, auxiliary contact 110 makes starting switch 117 in off-state, control switch 116 comprises moving contact 111, normally-closed contact 112 and normally opened contact 113, starting switch 117 is when off-state, moving contact 111 is connected with normally-closed contact 112, the first solenoid 114 energisings, make the first switch and second switch adhesive, and transformer 101 is realized output in parallel.
When L2/N2 is during as the output of interlock switch 103, auxiliary contact 110 makes starting switch 117 in closure state, controlling moving contact 111 disconnects with normally-closed contact 112, moving contact 111 is connected with normally opened contact 113, the second solenoid 115 energisings, make the 3rd switch and the 4th switch adhesive, transformer 101 is realized series connection output.
Concrete, transformer 101 also comprises capacitor C 1 and capacitor C 2, the two ends of capacitor C 1 respectively with the first High voltage output terminal and the first low-voltage output sub-connection, the two ends of capacitor C 2 respectively with the second High voltage output terminal and the second low-voltage output sub-connection.
Capacitor C 1 and capacitor C 2 play filtering, after removing, can not affect the size of electric current, but requiring high circuit the inside, the fluctuation that voltage is small all can have influence on the normal operation of circuit, sometimes also may cause misoperation, here two electric capacity that add are exactly in order to make the voltage of output more steady, improve the useful life to power consumption equipment.
In the present embodiment, High voltage output terminal output voltage is 110V, the sub-output voltage of low-voltage output is 0V, realizes the Voltage-output of 220V/110V, in addition, can be by changing the pitch of the laps number of the secondary coil of inverter, realize the different voltage of output, also can increase more relay, realize different Voltage-outputs simultaneously, the not necessarily output of 220V/110V, can also realize the output of other voltages such as 380V.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. a uninterrupted power supply for multi-modulation scheme Voltage-output, is characterized in that, comprising: transformer, voltage output control circuit and interlock switch;
Described transformer comprises at least two secondary coils, and the contact of described secondary coil is connected with described voltage output control circuit, and described voltage output control circuit is connected with described interlock switch.
2. uninterrupted power supply according to claim 1, is characterized in that, described interlock switch comprises mode selection switch and auxiliary contact;
The mode of operation of described mode selection switch comprises series connection output mode and output mode in parallel, described auxiliary contact is the state detecting device of described interlock switch, its one end is connected with described mode selection switch, its other end connects described voltage output control circuit, for determine the mode select signal of described auxiliary contact output according to the mode of operation of described mode selection switch, determine the control mode of described voltage output control circuit.
3. uninterrupted power supply according to claim 2, is characterized in that, described secondary coil comprises the first secondary coil and second subprime coil, and described voltage output control circuit comprises the first relay and the second relay;
Described the first secondary coil comprises the first High voltage output terminal and the first low-voltage output, and described second subprime coil comprises the second High voltage output terminal and the second low-voltage output;
Described the first High voltage output terminal is connected with the 4th pin of described the first relay, described the first low-voltage output is connected with the second pin of described the first relay and the 4th pin of described the second relay respectively, described the second High voltage output terminal is connected with the 3rd pin of described the first relay and the 3rd pin of described the second relay respectively, described the second low-voltage output is connected with the first pin of described the first relay, and the 4th pin of described the first relay and the first pin of described the first relay are connected respectively described mode selection switch.
4. uninterrupted power supply according to claim 3, is characterized in that, described voltage output control circuit also comprises relay power and power control circuit, and described relay power comprises the first relay power and the second relay power;
Described the first relay comprises the first solenoid, and described the second relay comprises the second solenoid, and described the first solenoid is connected with described the second relay power with described the first relay power respectively with described the second solenoid;
Described the first relay power is connected with described power control circuit respectively with described the second relay power, described power control circuit is connected with described auxiliary contact, for state the operating state of the first relay power and described the second relay power described in the modulus selection signal controlling of described auxiliary contact output, thereby control the on/off electricity of described the first solenoid and described the second solenoid.
5. uninterrupted power supply according to claim 3, it is characterized in that, described transformer also comprises capacitor C 1 and capacitor C 2, the two ends of capacitor C 1 respectively with described the first High voltage output terminal and described the first low-voltage output sub-connection, the two ends of capacitor C 2 respectively with described the second High voltage output terminal and described the second low-voltage output sub-connection.
6. according to the uninterrupted power supply described in claim 1 to 5 any one, it is characterized in that, described transformer is arranged at the AC of the inverter of uninterrupted power supply, and described transformer also comprises primary coil, and described primary coil is connected with the inverter of uninterrupted power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613682.4U CN203481889U (en) | 2013-09-29 | 2013-09-29 | Multi-standard voltage-outputting uninterruptible power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613682.4U CN203481889U (en) | 2013-09-29 | 2013-09-29 | Multi-standard voltage-outputting uninterruptible power supply |
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| Publication Number | Publication Date |
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| CN203481889U true CN203481889U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320613682.4U Expired - Lifetime CN203481889U (en) | 2013-09-29 | 2013-09-29 | Multi-standard voltage-outputting uninterruptible power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917174A (en) * | 2020-08-27 | 2020-11-10 | 东莞市硕擎能源科技有限公司 | UPS power supply and voltage regulating device thereof |
-
2013
- 2013-09-29 CN CN201320613682.4U patent/CN203481889U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917174A (en) * | 2020-08-27 | 2020-11-10 | 东莞市硕擎能源科技有限公司 | UPS power supply and voltage regulating device thereof |
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