CN201247966Y - On-line interactive non-deenergize device and charger - Google Patents
On-line interactive non-deenergize device and charger Download PDFInfo
- Publication number
- CN201247966Y CN201247966Y CNU2008201183014U CN200820118301U CN201247966Y CN 201247966 Y CN201247966 Y CN 201247966Y CN U2008201183014 U CNU2008201183014 U CN U2008201183014U CN 200820118301 U CN200820118301 U CN 200820118301U CN 201247966 Y CN201247966 Y CN 201247966Y
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Abstract
The utility model relates to an on-line interactive uninterrupted power supply device and a charger. The on-line interactive uninterrupted power supply device comprises a commercial power supply unit supplying an AC commercial power for a load in a first operation mode, a rectifier rectifying the AC commercial power into a DC voltage, a battery, a charger converting the DC voltage by utilizing a high frequency PWM and outputting a charging voltage for charging the battery, and a current converter converting the voltage of the battery into an AC backup voltage to the commercial power supply unit in a second operation mode, wherein the current converter is coupled to the commercial power supply unit and the battery. The charger comprises a switch. The share switch in the charger is controlled by a high frequency PWM signal when the commercial power is normal, so the charger charges the battery. Meanwhile, when the AC commercial power is interrupted, the shared switch in the charger is controlled by a low frequency blanking signal so as to eliminate a Spike generated by the action of the current converter.
Description
Technical field
The utility model relates to a kind of online interaction formula uninterruptible power supply (UPS) device and charger, refers to that especially a kind of shared diverter switch of utilizing is controlled by high-frequency PWM signal and low frequency blanking signal, to reach online interaction formula uninterruptible power supply (UPS) device and the charger that charging and surging are eliminated.
Background technology
Along with development of information industry, hardware devices miscellaneous such as personal computer, communication apparatus, work station are used in all orders of society just widely in recent years.Because information itself promptly is a kind of product with high additive value, so people try every possible means invariably with the safety and the normal operation of computer system of guaranteeing information, therefore to the also more and more strictness of requirement of power quality.Because power electronic equipment is used in large quantities, the harmonic wave that it produced causes the bad and natural disaster of power quality or the like factor, cause utility power can't guarantee to provide high-quality stabilized power supply, non-interrupted power supply system (UPS) become immediately computer or communication system indispensable necessity be equipped with.
UPS can be divided into three kinds of off-line type (Off-Line), online (On-Line) and online interaction formulas (Line-Interactive) according to action form.Wherein, the off-line UPS price is low, but can't improve the bad problem of power quality, though and on line type UPS can provide pure alternating current output, but prices are rather stiff for it, and in addition, online interaction formula UPS combines both advantages, its price is low and can improve the bad problem of power quality, and is widely used.
Please refer to Fig. 1, be traditional online interaction formula UPS configuration diagram.This kind online interaction formula UPS comprises: an EMI unit 10, an autotransformer 11, a rectifier 13, a battery 17, a charger 15, a converter 16.EMI unit 10 receives an electric main AC, in order to the electromagnetic interference that prevents that electric main AC from producing.Autotransformer 11 has first winding (not indicating), second winding (not indicating) and the tertiary winding (not indicating), wherein first winding of autotransformer 11 is coupled to EMI unit 10 via a main relay 101 and a booster relay 102, simultaneously, first winding of autotransformer 11 is coupled to a load 2 via a turndown relay 103.
In addition, rectifier 13 is coupled to the tertiary winding of autotransformer 11.Charger 15 is coupled to rectifier 13 and battery 17, and when electric main AC normal power supply, to these battery 17 chargings.Converter 16 is coupled to second winding and the battery 17 of autotransformer 11, and when electric main AC cut off the power supply, the voltage of converter 16 conversion batteries 17 became one and exchanges second winding that redundant voltage AC1 gives autotransformer 11.
Please refer to Fig. 2, be the charger circuit schematic diagram of traditional online interaction formula UPS.Charger 15 has comprised that one switches switch Q1, a pressurizer 150, an output capacitance CO and an output diode DO.The end of diverter switch Q1 is coupled to this rectifier 13, and the other end then is coupled to a reference edge G.The input of pressurizer 150 is coupled to rectifier 13, exports a stable charging voltage VO.The end of output capacitance CO is coupled to the output of pressurizer 150, and the output capacitance CO other end then is coupled to this reference edge G.The anode of output diode DO is coupled to the output of pressurizer 150, and the negative electrode of output diode DO is coupled to battery 17.Whereby, when electric main AC normal power supply, the stable charging voltage VO of pressurizer 150 outputs charges to battery 17.And when electric main AC cut off the power supply, diverter switch Q1 was controlled by a low frequency blanking signal S1, to eliminate the surging (spike) that these converter 16 actions are produced.
Traditional online interaction formula UPS uses pressurizer 150 when electric main AC normal power supply battery 17 to be charged.Pressurizer 150 its models that traditional online interaction formula UPS uses are LM317, and it is operated in low frequency and charge efficiency roughly 40% to 50%.Because pressurizer 150 is operated in low frequency, and can produce higher heat in the work, thereby cause the efficient and the power factor (PF) of whole charging to reduce greatly.Simultaneously, traditional online interaction formula UPS is subject to the specification of pressurizer 150, and raising electric current that can't be in good time causes battery 17 can't obtain suitable charge volume to battery 17 chargings.
The utility model content
In view of this, the utility model provides a kind of online interaction formula uninterruptible power supply (UPS) device and charger.Wherein online interaction formula uninterruptible power supply (UPS) device is when the electric main normal power supply, utilize the diverter switch in the high-frequency PWM control charger, so that battery is charged, and reach that high recharge efficiency, high power factor, cost descend, the charge volume scope is big and advantage such as stable.
Online interaction formula uninterruptible power supply (UPS) device of the present utility model comprises a commercial power supply unit, a rectifier, a battery, a charger and a converter.The commercial power supply unit is supplied to a load with an electric main when first operator scheme.Rectifier is coupled to this commercial power supply unit, and this electric main of rectification becomes a direct current voltage.Charger is coupled to this rectifier and this battery, utilizes high-frequency PWM to switch this direct voltage, to export a charging voltage to this battery charge.Converter is coupled to this commercial power supply unit and this battery, and converter is when second operator scheme, and the voltage of changing this battery becomes one and exchanges redundant voltage to this commercial power supply unit.
Charger of the present utility model is coupled to a rectifier, a battery and a converter, this charger receives a direct current voltage from this rectifier, and export a charging voltage and give this battery, this charger comprises that one switches switch, forward diode, an output capacitance and an output diode.Wherein, an end of diverter switch is coupled to this rectifier, and the other end of diverter switch is coupled to a reference edge.Forward the anode of diode is coupled to this diverter switch.One end of output capacitance is coupled to this forward negative electrode of diode, and the other end of output capacitance is coupled to this reference edge.The anode of output diode is coupled to this forward negative electrode of diode, and the negative electrode of output diode is coupled to this battery.Whereby, this diverter switch is controlled by a high-frequency PWM signal when first operator scheme, with to this battery charge, and this diverter switch is when second operator scheme, be controlled by a low frequency blanking signal, to eliminate the surging (spike) that this converter action is produced.
To sum up, the online interaction formula uninterruptible power supply (UPS) device that the utility model provides is to utilize the diverter switch of sharing in the charger, borrows it to be controlled by high-frequency PWM signal and low frequency vanishing signal, with the elimination to battery charge and surging, and need not use pressurizer.So, can save the cost of pressurizer.Simultaneously, utilize the diverter switch of sharing in the high-frequency PWM control charger, with to battery charge, will reach high charge efficiency, the high big charge volume of power factor (PF), scope, to solve the problem of traditional online interaction formula UPS.
Above general introduction and ensuing detailed description are all exemplary in nature, are in order to further specify claim of the present utility model.And about other purpose of the present utility model and advantage, will in follow-up explanation and accompanying drawing, be set forth.
Description of drawings
Fig. 1 is traditional online interaction formula UPS configuration diagram;
Fig. 2 is the charger circuit schematic diagram of traditional online interaction formula UPS;
Fig. 3 is an online interaction formula uninterruptible power supply (UPS) device function block schematic diagram of the present utility model;
Fig. 4 is an online interaction formula uninterruptible power supply (UPS) device circuit framework schematic diagram of the present utility model; And
Fig. 5 is a charger circuit schematic diagram of the present utility model.
Description of reference numerals:
Known:
EMI unit 10
Rectifier 13
Converter 16
Electric main AC
Exchange redundant voltage AC1
Diverter switch Q1
Output capacitance CO
Output diode DO
Reference edge G
Low frequency blanking signal S1
The utility model:
Online interaction formula uninterruptible power supply (UPS) device 3
Commercial power supply unit 30
The voltage protector 301 of surging
EMI unit 302
The first winding P1
The second winding P2
Tertiary winding P3
Rectifier 32
Converter 38
Electric main AC
Direct voltage V1
Charging voltage V2
Exchange redundant voltage AC1
Diverter switch Q
Diode D1 forward
Output capacitance C1
Output diode D2
Reference edge G
Low frequency blanking signal S1
High-frequency PWM signal S2
Embodiment
Please refer to Fig. 3, be online interaction formula uninterruptible power supply (UPS) device function block schematic diagram of the present utility model.Online interaction formula uninterruptible power supply (UPS) device 3 of the present utility model couples a load 4, it at electric main AC just often, carry out the required electric power of one first operator scheme offered load 4, and when electric main AC interrupts, carry out the required electric power of one second operator scheme offered load 4, use for load 4 to keep supply electric power.
Online interaction formula uninterruptible power supply (UPS) device 3 of the present utility model comprises a commercial power supply unit 30, a rectifier 32, a controller 33, a charger 34, a battery 36 and a converter 38.Wherein, controller 33 is coupled to charger 34, and controller 33 is exported a high-frequency PWM signal S2 when first operator scheme, and when second operator scheme, exports a low frequency blanking signal S1.Commercial power supply unit 30 is supplied to load 4 to use electric main AC when first operator scheme, and simultaneously, this electric main of the rectifier 32 rectifications AC that is coupled to commercial power supply unit 30 becomes a direct current voltage V1.And charger 34 also is coupled to this rectifier 32 and this battery 36, and charger 34 is controlled by high-frequency PWM signal S2, and then converts this direct voltage V1 to a charging voltage V2 so that this battery 36 is charged.
In addition, converter 38 is coupled to this commercial power supply unit 30 and this battery 36, and converter 38 is when second operator scheme, and the voltage of changing this battery 36 becomes one and exchanges redundant voltage AC1 to this commercial power supply unit 30.So, when electric main AC interrupted, commercial power supply unit 30 received and exchanges redundant voltage AC1 with the required electric power of offered load 4, and then keeps supply electric power and use for load 4.Wherein, converter 38 can be a push-pull type converter (push pullinverter), or other has the converter of identical function.At this moment, charger 34 is controlled by low frequency blanking signal S1, in order to eliminate the surging (spike) that converter 38 actions are produced.
Cooperate Fig. 3, please refer to Fig. 4.Fig. 4 is an online interaction formula uninterruptible power supply (UPS) device circuit framework schematic diagram of the present utility model.The commercial power supply unit 30 of online interaction formula uninterruptible power supply (UPS) device 3 of the present utility model is coupled and is formed by surge voltage protector 301, an EMI unit 302, one main relay 303, a booster relay 304, an autotransformer 305, a turndown relay 306 and an output relay 307 of a circuit breaker 300.Wherein, circuit breaker 300 is in the action down of online interaction formula uninterruptible power supply (UPS) device 3 overload, with as overload protection.The voltage protector 301 of the surging elimination of voltage of surging during as online interaction formula uninterruptible power supply (UPS) device 3 starting is to prevent burning of excessive circuit that voltage is caused.The electromagnetic interference of EMI unit 302 in order to prevent that electric main AC from being produced.Main relay 303 imports the main switch of autotransformer 305 as electric main AC.The switching of booster relay 304 is the first winding P1 that import autotransformer 11 after electric main AC is boosted.In addition, the switching of turndown relay 306 is that electric main AC is carried out step-down.Output relay 307 then imports the electric main AC after the step-down load 4, and then provides load 4 required electricity consumption.
Cooperate Fig. 3 again, with reference to figure 4.The tertiary winding P3 of autotransformer 305 is coupled to rectifier 32, and when electric main AC normal power supply, provides electric main AC to rectifier 32.This electric main of rectifier 32 rectifications AC becomes direct voltage V1, and direct voltage V1 is delivered to charger 34.Charger 34 is controlled by the high-frequency PWM signal S2 that slave controller 33 is sent, and utilizes high-frequency PWM switching dc voltage V1, with output charging voltage V2 to battery 36 with to its charging.In addition, the second winding P2 of autotransformer 305 is coupled to converter 38, when electric main AC interrupts, the second winding P2 of autotransformer 305 obtains from converter 38 and exchanges redundant voltage AC1, and then according to exchanging redundant voltage AC1 by the required electric power of the first winding P1 output offered load 4 of autotransformer 305, and then keep supply electric power and use for load 4, at this moment, charger 34 is controlled by the low frequency blanking signal S1 that slave controller 33 is sent, in order to eliminate the surging (spike) that converter 38 actions are produced.
Cooperate Fig. 4, please refer to Fig. 5.Fig. 5 is a charger circuit schematic diagram of the present utility model.Charger 34 is coupled to rectifier 32 and battery 36, and charger 34 is obtained direct voltage V1 from rectifier 32, and according to direct voltage V1 with output charging voltage V2 to battery 36 so that battery 36 is charged.Charger 34 has comprised that one switches switch Q, forward diode D1, an output capacitance C1 and an output diode D2.Wherein, the end of diverter switch Q is coupled to this rectifier 32, and the other end of diverter switch Q is coupled to a reference edge G.Forward the anode of diode D1 is coupled to diverter switch Q.The end of output capacitance C1 is coupled to the forward negative electrode of diode D1, and the other end of output capacitance C1 is coupled to reference edge G.The anode of output diode D2 is coupled to the forward negative electrode of diode D1, and the negative electrode of output diode D2 is coupled to battery 36.
Cooperate Fig. 4 again, with reference to figure 5.When electric main AC normal power supply, diverter switch Q, forward the tertiary winding P3 of diode D1 and autotransformer 305 forms a boost converter (Boost Converter).At this moment, diverter switch Q is controlled by high-frequency PWM signal S2 to convert direct voltage V1 to charging voltage V2.Charging voltage V2 delivers to battery 36 so that battery 36 is charged via output capacitance C1 and output diode D2.
In addition, when electric main AC cut off the power supply, battery 36 sent electricity to give converter 38 immediately, and then converter 38 provides interchange redundant voltage AC1 second winding P2 to autotransformer 305.And the first winding P1 of autotransformer 305 will export the required electric power of offered load 4, and then keep supply electric power and use for load 4.At this moment, the tertiary winding P3 of autotransformer 305 will produce serious surging (spike) along with the interchange redundant voltage AC1 of the second winding P2 that delivers to autotransformer 305.Therefore, when diverter switch Q cuts off the power supply at electric main AC, be controlled by low frequency blanking signal S1, to eliminate the surging (spike) that these converter 38 actions are produced.So, when electric main AC cut off the power supply, charger 34 was as a dummy load, in order to eliminate the surging (spike) that converter 38 actions are produced.
In sum, online interaction formula uninterruptible power supply (UPS) device and charger that the utility model provides, when the electric main normal power supply, utilize the diverter switch in the high-frequency PWM control charger, so that battery is charged, and reach that high recharge efficiency, high power factor, cost descend, the charge volume scope is big and advantage such as stable.Simultaneously, when electric main cuts off the power supply, utilize the diverter switch in the low frequency blanking signal control charger, to eliminate the surging that the converter action is produced.
So, the online interaction formula uninterruptible power supply (UPS) device that the utility model provides is to utilize the diverter switch of sharing in the charger, borrows it to be controlled by high-frequency PWM signal and low frequency vanishing signal, with the elimination to battery charge and surging, and do not need extra pressurizer, to reach the purpose that reduces cost.Simultaneously, utilize the diverter switch of sharing in the high-frequency PWM control charger, will reach high charge efficiency, the high big charge volume of power factor (PF), scope, to solve the problem of traditional online interaction formula UPS with to battery charge.
But the above only is the detailed description and the accompanying drawing of the specific embodiment of one of the utility model the best, in the utility model technical field any those of ordinary skill can think easily and variation or modify all can be encompassed in the scope of patent protection of this case.
Claims (9)
1. an online interaction formula uninterruptible power supply (UPS) device is characterized in that, has one first operator scheme and one second operator scheme, comprising:
One supplies the commercial power supply unit that an electric main is given a load when first operator scheme;
One rectifier is coupled to this commercial power supply unit, and this electric main of this rectifier rectification becomes a direct current voltage;
One battery; And
One utilizes high-frequency PWM to switch the charger of this direct voltage, is coupled to this rectifier and this battery, exports a charging voltage to this battery charge; And
One voltage of changing this battery when second operator scheme becomes one and exchanges the converter that redundant voltage is given this commercial power supply unit, and this converter is coupled to this commercial power supply unit and this battery.
2. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 1 is characterized in that, this charger is one in order to eliminate the dummy load of the surging that the action of this converter produced.
3. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 1 is characterized in that, this commercial power supply unit comprises:
The one EMI unit in order to the interference that prevents electromagnetism receives this electric main; And
One autotransformer, have first winding, second winding and the tertiary winding, wherein first winding of this autotransformer is coupled to the EMI unit through a main relay and a booster relay, and simultaneously, first winding of this autotransformer is coupled to this load through a turndown relay.
4. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 3 is characterized in that this rectifier is coupled to the tertiary winding of this autotransformer.
5. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 4 is characterized in that this charger comprises:
One switches switch, and the one end is coupled to this rectifier, and the other end is coupled to a reference edge;
One diode forward, its anode is coupled to this diverter switch;
One output capacitance, one end are coupled to this forward negative electrode of diode, and the other end is coupled to this reference edge; And
One output diode, its anode are coupled to this forward negative electrode of diode, and its negative electrode is coupled to this battery;
Wherein, this diverter switch is controlled by a high-frequency PWM signal when first operator scheme, and this diverter switch is controlled by a low frequency blanking signal when second operator scheme.
6. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 5 is characterized in that, also comprises a controller, this controller is coupled to this diverter switch, and this controller is exported this high-frequency PWM signal when first operator scheme, and, when second operator scheme, export this low frequency blanking signal.
7. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 3 is characterized in that this converter is coupled to second winding of this autotransformer.
8. online interaction formula uninterruptible power supply (UPS) device as claimed in claim 7 is characterized in that, this converter is a push-pull type converter.
9. a charger is characterized in that, is coupled to a rectifier, a battery and a converter, and this charger receives a direct current voltage from this rectifier, and exports a charging voltage and give this battery, and this charger comprises:
One switches switch, and the one end is coupled to this rectifier, and the other end is coupled to a reference edge;
One diode forward, its anode is coupled to this diverter switch;
One output capacitance, one end are coupled to this forward negative electrode of diode, and the other end is coupled to this reference edge; And
One output diode, its anode are coupled to this forward negative electrode of diode, and its negative electrode is coupled to this battery;
Whereby, this diverter switch is controlled by a high-frequency PWM signal, and with to this load charging, and this diverter switch is controlled by a low frequency blanking signal, to eliminate the surging that this converter action is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201183014U CN201247966Y (en) | 2008-06-02 | 2008-06-02 | On-line interactive non-deenergize device and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201183014U CN201247966Y (en) | 2008-06-02 | 2008-06-02 | On-line interactive non-deenergize device and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247966Y true CN201247966Y (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201183014U Expired - Lifetime CN201247966Y (en) | 2008-06-02 | 2008-06-02 | On-line interactive non-deenergize device and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201247966Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255371A (en) * | 2010-05-19 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Power system of electronic device |
| CN102624045A (en) * | 2012-02-23 | 2012-08-01 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by means of boosting and rectifying |
| CN105634108A (en) * | 2014-11-06 | 2016-06-01 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | Off-line type uninterrupted power source |
| CN109193886A (en) * | 2013-04-08 | 2019-01-11 | 索尼公司 | Electronic device, electronic method and power supply system |
| CN109245288A (en) * | 2018-10-29 | 2019-01-18 | 上海申睿电气有限公司 | A kind of single-phase online interaction formula UPS rack structure circuit |
| WO2019019297A1 (en) * | 2017-07-27 | 2019-01-31 | 深圳市泰昂能源科技股份有限公司 | Direct-current ups device, system, and control method |
-
2008
- 2008-06-02 CN CNU2008201183014U patent/CN201247966Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255371A (en) * | 2010-05-19 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Power system of electronic device |
| CN102624045A (en) * | 2012-02-23 | 2012-08-01 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by means of boosting and rectifying |
| CN102624045B (en) * | 2012-02-23 | 2014-12-17 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by means of boosting and rectifying |
| CN109193886A (en) * | 2013-04-08 | 2019-01-11 | 索尼公司 | Electronic device, electronic method and power supply system |
| CN109193886B (en) * | 2013-04-08 | 2022-11-25 | 索尼公司 | Electronic device, electronic method and power supply system |
| US11664682B2 (en) | 2013-04-08 | 2023-05-30 | Sony Group Corporation | Electronic unit that wirelessly receives power and increases current using a dummy load |
| CN105634108A (en) * | 2014-11-06 | 2016-06-01 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | Off-line type uninterrupted power source |
| CN105634108B (en) * | 2014-11-06 | 2020-03-13 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | Off-line uninterrupted power supply |
| WO2019019297A1 (en) * | 2017-07-27 | 2019-01-31 | 深圳市泰昂能源科技股份有限公司 | Direct-current ups device, system, and control method |
| CN109245288A (en) * | 2018-10-29 | 2019-01-18 | 上海申睿电气有限公司 | A kind of single-phase online interaction formula UPS rack structure circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |