CN203135566U - Ups - Google Patents

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Publication number
CN203135566U
CN203135566U CN 201320067170 CN201320067170U CN203135566U CN 203135566 U CN203135566 U CN 203135566U CN 201320067170 CN201320067170 CN 201320067170 CN 201320067170 U CN201320067170 U CN 201320067170U CN 203135566 U CN203135566 U CN 203135566U
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China
Prior art keywords
unit
output
control unit
power
power supply
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CN 201320067170
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唐明
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SHENZHEN USHO ELECTRIC CO Ltd
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SHENZHEN USHO ELECTRIC CO Ltd
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Abstract

The utility model discloses a UPS comprising a mains-supply input terminal and an output apparatus, wherein the output apparatus is provided with a switching switch, a common output unit, a controlled uninterrupted output unit and an output terminal; and the common output unit, the controlled uninterrupted output unit and the output terminal are respectively connected with the switching switch. A fuse is arranged between the switching switch and the output terminal. A mains-supply inlet terminal, a master switch, a power-supply filtering unit and the common output unit are successively connected. The power-supply filtering unit is successively connected with an intelligent detection unit, an intelligent control unit and a display unit. The intelligent control unit is respectively connected with a charging control unit and a lithium-ion power battery unit. The power-supply filtering unit is successively connected with a rectification unit, the charging control unit, the lithium-ion power battery unit, a high-frequency control unit, an inversion circuit, a conversion control unit, an overcurrent overload detection unit and the controlled uninterrupted output unit. The rectification unit is connected with the conversion control unit.

Description

A kind of uninterrupted power supply
Technical field
The utility model relates to uninterrupted electric controller system, in particular, and a kind of uninterrupted power supply.
Background technology
There are at least nine kinds of problems in electrical network: outage, thunderbolt spike, surge, frequency oscillation, voltage jump, voltage fluctuation, frequency drift, voltage fall, impulse disturbances; Therefore from improving the angle of power quality, be equipped with a uninterrupted electric controller system for computer or other precision equipments, be very necessary.
In addition, the accurate network equipment and communication equipment are not allow electric power that interruption is arranged, the network center that with the server is core will be equipped with UPS (uninterrupted power supply), even Daepori energising brain, it uses three months later softwares such as data file to be worth just to have surpassed hardware value, is very necessary for preventing that loss of data is equipped with uninterrupted electric controller system therefore.
Yet existing UPS class uninterrupted power supply all adopts lead acid accumulator at present, the storage battery that is commonly called as exactly, and the internal control technology adopts the low frequency inversion transformation technique.Storage battery adds huge transformer, makes the ups system bulky, and weight is very heavy, can't have the computer power inside of requirement and security protection device interior to use to space and weight at some.Say that normally there is following shortcoming in it: lead acid accumulator often can only emit battery capacity 30% with, fully the discharge after, its charging interval need just can be charged to 80% of battery capacity at 8 hours, directly influenced reliability of products; The useful life of circulation discharge, especially discharge capacity was poorer under low temperature environment about 300 times; Lead acid accumulator is in life cycle, and capacity descends gradually; The primary raw material of lead acid accumulator " lead ", not only harmful, and the production of its battery, reclaim and all directly to have influence on environment.
Therefore, there is defective in prior art, needs to improve.
The utility model content
Technical problem to be solved in the utility model provides a kind of novel uninterrupted power supply, solves the weight and volume of uninterrupted power supply and replacement cycle in useful life and the cost problem of battery.
The technical solution of the utility model is as follows: a kind of uninterrupted power supply, and it comprises mains electricity input end, master switch, power filter unit, rectification unit, Intelligent Measurement unit, intelligent control unit, charging control unit, lithium-ion-power cell unit, high frequency control unit, inverter circuit, TCU transfer control unit, over-current and-load detecting unit, display unit and output device; Described output device arranges diverter switch and the common output unit that is connected with described diverter switch respectively, controlled output unit, the output of not cutting off the power supply; Described diverter switch is used for selecting the described common output unit of conducting or the described controlled output unit that do not cut off the power supply to described output; And, between described diverter switch and described output, a fuse is set; Described civil power end of incoming cables, described master switch, described power filter unit, described common output unit are linked in sequence; Described power filter unit also is linked in sequence with described Intelligent Measurement unit, described intelligent control unit, described display unit; Whether whether described Intelligent Measurement unit arranges voltage detection module, surpass for detection of voltage to pre-set voltage threshold or voltage fluctuation and surpass and pre-set the voltage fluctuation threshold value; Described intelligent control unit also is connected with described charging control unit, described lithium-ion-power cell unit respectively; Described intelligent control unit arranges the battery cell monitoring module, be used for obtaining the information of described lithium-ion-power cell unit, calculate the charging interval, control described charging control unit described lithium-ion-power cell unit is charged, and output to described display unit and show; Described power filter unit also is linked in sequence with described rectification unit, described charging control unit, described lithium-ion-power cell unit, described high frequency control unit, described inverter circuit, described TCU transfer control unit, described over-current and-load detecting unit, the described controlled output unit that do not cut off the power supply; Described rectification unit also is connected with described TCU transfer control unit.
Preferably, in the described uninterrupted power supply, described intelligent control unit also arranges a charging indication, is used to indicate charged state.
Preferably, in the described uninterrupted power supply, described intelligent control unit also arranges an alarm module, be used for charge and discharge overtension, cell voltage is crossed low or battery need safeguard the time, sends warning message.
Preferably, in the described uninterrupted power supply, described output device also arranges a short-circuit protection unit between described diverter switch and described output, is used for cutting off when short circuit causes rush of current output.
Preferably, in the described uninterrupted power supply, described output device also arranges a detecting unit that is connected with described output, described master switch respectively, is used for stopping output at described output and pre-sets the time above one, disconnects described master switch.
Preferably, in the described uninterrupted power supply, described intelligent control unit also arranges and described battery cell monitoring module microprocessor linked, and the input module that is connected with described microprocessor, be used for receiving input instruction and execution, the result outputed to described display unit show; Described intelligent control unit also arrange be connected with described microprocessor respectively charge and discharge voltage computing module, battery electric quantity display module, battery maintenance control circuit memory module, be respectively applied to calculate the charging and discharging voltage, show battery dump energy and the power-on time that changes according to power consumption of described lithium-ion-power cell unit, storage battery maintenance control circuit.
Preferably, in the described uninterrupted power supply, between described charging control unit and the described lithium-ion-power cell unit charge switch is set, and, between described lithium-ion-power cell unit and the described high frequency control unit power switch is set.
Preferably, in the described uninterrupted power supply, at least two series connected battery storehouses of described lithium-ion-power cell unit setting.
Preferably, in the described uninterrupted power supply, described master switch also arranges a judging unit, be connected with described output, described power filter unit, described over-current and-load detecting unit respectively, be used for to judge in described power filter unit or during described over-current and-load detecting unit output fault, directly described mains electricity input end is outputed to described output.
Preferably, in the described uninterrupted power supply, described master switch also arranges a by-pass switch that is connected with described output, is used for the manual switchover supply power mode, directly described mains electricity input end is outputed to described output.
Adopt such scheme, the utility model adopts dynamic lithium battery, realized the uninterrupted power supply that volume is little, practical, and the volume and weight of native system have only traditional product 20% in addition still less, and abandoned the control of traditional storage battery and low frequency, adopt the material that upgrades and the technical scheme of renewal, thoroughly solved the problem in volume weight and useful life, on cost and cost, also near traditional product, more meet the use of commercial family expenses and professional domain.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Power lithium-ion battery, be called for short dynamic lithium battery, strictly speaking, power lithium-ion battery refers to the lithium ion battery of capacity more than 3Ah, present then general reference can be passed through discharge to the lithium ion battery of drivings such as equipment, apparatus, model, vehicle, owing to use the difference of object, the rank that the capacity of battery may the Ah of the unit of not reaching.Power lithium-ion battery divides two types of high power capacity and high powers.High-capacity battery can be used for electric tool, bicycle, scooter, mine lamp, medicine equipment etc.; High-power battery is mainly used in hybrid vehicle and other needs the occasion of high current charge-discharge.According to the difference of internal material, power lithium-ion battery correspondingly is divided into two kinds of liquid power lithium-ion battery and polymerization physical ion electrokinetic cells, is referred to as power lithium-ion battery.High frequency transformer is the power transformer that operating frequency surpasses intermediate frequency (10kHz), be mainly used in doing in the high frequency switch power high-frequency switch power transformer, also is useful on and makes the high frequency inverter transformer in high frequency inverter and the Inverter Welder.By operating frequency height, can be divided into several class: 10kHz-50kHz, 50kHz-100kHz, 100kHz~500kHz, 500kHz~1MHz, more than the 1MHz.Under the bigger situation of delivering power, power device generally adopts IGBT, because there is the cut-off current conditions of streaking in IGBT, so operating frequency is lower; Delivering power is smaller, can adopt MOSFET, and operating frequency is just than higher.
The utility model is to utilize dynamic lithium battery and high frequency transformer to carry out inversion and power supply switching, can make system become a continual power supply, externally power supply is had no progeny in occurring, can the short time provide supply of electric power, thereby can ensure computer system after having a power failure, work on a period of time so that the user can promptly deposit, make that the user is unlikely to influence work or obliterated data because of power failure, can ensure that also safety-protection system works on after outage or artificial destruction, external power source can't influence the work of security protection system.
As shown in Figure 1, an embodiment of the present utility model is, a kind of uninterrupted power supply, it comprises mains electricity input end, master switch, power filter unit, rectification unit, Intelligent Measurement unit, intelligent control unit, charging control unit, lithium-ion-power cell unit, high frequency control unit, inverter circuit, TCU transfer control unit, over-current and-load detecting unit, display unit and output device.
Described output device arranges diverter switch and common output unit, controlled output unit, the output of not cutting off the power supply; Described diverter switch is connected with common output unit, the controlled output unit that do not cut off the power supply, output respectively; And, between described diverter switch and described output, a fuse is set.Described diverter switch is used for automaticallying switch, select the described common output unit of conducting or the described controlled output unit that do not cut off the power supply to described output, for example, when civil power cuts off the power supply suddenly, and even can be in the corresponding time of Millisecond nanosecond, automatically switch to the controlled output unit that do not cut off the power supply from common output unit, export to load by output; For example, the common output unit of conducting is to described output, and the mains electricity input end to output, offers terminal through master switch, power filter unit, common output unit, diverter switch.And described output device also arranges a fuse between described diverter switch and described output, is used for cutting off output when short circuit causes rush of current, thereby can protects terminal effectively.Preferably, described output device also arranges a detecting unit that is connected with described output, described master switch respectively, is used for stopping output at described output and pre-sets the time above one, disconnects described master switch, like this can be energy-efficient, more be conducive to environmental protection.Preferably, output device also arranges the short-circuit alarming module, for detection of output voltage, when output voltage is lower than 1% rated value, sends warning message, for example sends power supply acoustic alarm, photoflash lamp warning etc.
As shown in Figure 1, described civil power end of incoming cables, described master switch, described power filter unit, described common output unit are linked in sequence; Described power filter unit also is linked in sequence with described Intelligent Measurement unit, described intelligent control unit, described display unit; Described power filter unit arranges the lightning protection immunity module; thereby realized the lightning protection function; angle from power supply grid; power supply grid is a very good inductor of thunder and lightning; so concerning the power consumption equipment that does not have lightning protection; be breakneck, power consumption equipment has sensed thunder and lightning to split bad possibility at any time.And present power consumption equipment is except special lightning-protected product, and other product does not generally all have lightning protection function.Preferably, described display unit arranges LCD display.Preferably, display unit arranges the circumscribed USB circuit, shows by portable terminal.
Described Intelligent Measurement unit arranges voltage detection module; whether surpass for detection of voltage and to pre-set voltage threshold or voltage fluctuation and whether surpass and pre-set the voltage fluctuation threshold value; to realize over-voltage protecting function, for example, electric power output voltage surpasses voltage when setting the protection value with trip protection.
Described intelligent control unit also is connected with described charging control unit, described lithium-ion-power cell unit respectively.Described intelligent control unit arranges the battery cell monitoring module, be used for obtaining the information of described lithium-ion-power cell unit, calculate the charging interval, control described charging control unit described lithium-ion-power cell unit is charged, and output to described display unit and show; Preferably, described intelligent control unit also arranges an alarm module, be used for charge and discharge overtension, cell voltage is crossed low or battery need safeguard the time, sends warning message, for example sound, signal such as flash of light, thereby can in time notify the user; Preferably, described intelligent control unit also arranges and described battery cell monitoring module microprocessor linked, and the input module that is connected with described microprocessor, is used for receiving input instruction and execution, the result is outputed to described display unit show; Described intelligent control unit also arrange be connected with described microprocessor respectively charge and discharge voltage computing module, battery electric quantity display module, battery maintenance control circuit memory module, be respectively applied to calculate the charging and discharging voltage, show battery dump energy and the power-on time that changes according to power consumption of described lithium-ion-power cell unit, storage battery maintenance control circuit.Like this, show and the battery maintenance control circuit by battery electric quantity, allow the user understand battery electric quantity, battery maintenance better more fully.Described intelligent control unit also arranges a charging indication, and for example, LED light is used to indicate charged state.Like this, the user can know the state of charging intuitively and easily.
Preferably, described intelligent control unit, by the Based Intelligent Control charging, feasible voltage with the single-unit lithium-ion-power cell reaches 3.45V to 3.5V, and the precision control of voltage is in ± 1%; And in use, Based Intelligent Control makes lithium-ion-power cell charge and rises to a safety value until cell voltage the charging of lithium-ion-power cell maintenance property; And for example, also adjusting the constant current charge state is between the 0.5-3C; And for example, battery temperature is detected, in charging process, when the temperature of lithium-ion-power cell reaches certain value, intelligence is adjusted the operating state of charging control unit or charging control unit is set and adopts little electric current to charge, and namely intelligent control unit is adjusted immediately to charged state; And for example, under-voltage protection is controlled, and presses the voltage 2.35V of single-unit lithium-ion-power cell, and the precision control of voltage is ± 1%, and realization is crossed battery and put protection; And for example, regularly battery is carried out self check, in time find battery problems.Like this, just can realize the lithium-ion-power cell in the lithium-ion-power cell unit or battery pack are increased current-sharing, equal Based Intelligent Control defencive functions such as pressure, overvoltage, under-voltage, monitoring temperature.
Described power filter unit also is linked in sequence with described rectification unit, described charging control unit, described lithium-ion-power cell unit, described high frequency control unit, described inverter circuit, described TCU transfer control unit, described over-current and-load detecting unit, the described controlled output unit that do not cut off the power supply; Described rectification unit also is connected with described TCU transfer control unit.Preferably, between described inverter circuit and the described TCU transfer control unit fuse is set, to ensure product safety.Described over-current and-load detecting unit; whether surpass a preset value for detection of output current; be then to cut off output or send warning message; when for example electric power outputting current surpasses current settings protection value with sound and light alarm; uninterrupted electric controller system can realize overload protection; automatic disconnection when overload, the overload that protection electrical equipment avoids short circuit or other reasons to cause burns out.Whether described over-current and-load detecting unit also breaks down for detection of power supply or load, is then power source trip protection, to realize overload protection function.
In conjunction with being applied to above-mentioned arbitrary embodiment, further, embodiment of the present utility model can also be, between described charging control unit and the described lithium-ion-power cell unit charge switch is set, and, between described lithium-ion-power cell unit and the described high frequency control unit power switch is set.Directly dismantle the lithium-ion-power cell unit when like this, being very beneficial for safeguarding; Whether whether perhaps select in use the lithium-ion-power cell unit to be charged, select in use to adopt the lithium-ion-power cell unit to power, very convenient user experiences and attended operation.
Preferably, at least two series connected battery storehouses of described lithium-ion-power cell unit setting, the lithium-ion-power cell that can effectively superpose like this, thus very convenient user experiences and selects use, has greatly expanded the application direction of product.
Preferably, lithium-ion battery monomer is 18650 lithium ion batteries or poly-lithium battery in the lithium ion battery group.Preferably, described intelligence control circuit discharges and recharges pressure-controlled at 3.2V to 3.8V with 18650 lithium ion batteries or poly-lithium battery.The microprocessor of described intelligence control circuit controls the state-of-charge of described lithium ion battery group unit 80% to 90%.Preferably, positive active material in the lithium ion battery group and the solvent of electrolyte are lithium sulfur dioxide or lithium-thionyl chloride, negative pole is the mixture of Delanium and Graphene, perhaps the mixture of the composite oxides of tin, titanium oxygen compound, titanate compounds and Graphene.
In conjunction with being applied to above-mentioned arbitrary embodiment, further, embodiment of the present utility model can also be, described master switch also arranges a judging unit, be connected with described output, described power filter unit, described over-current and-load detecting unit respectively, be used for to judge in described power filter unit or during described over-current and-load detecting unit output fault, directly described mains electricity input end is outputed to described output.Like this, just in case described uninterrupted power supply is when breaking down, terminal can directly obtain mains-supplied, need not worry to take place the terminal abnormal outage that causes because of fault of uninterrupted power source.Preferably, described master switch also arranges a by-pass switch that is connected with described output, is used for the manual switchover supply power mode, directly described mains electricity input end is outputed to described output.That is to say that the user can also directly select to switch to the mains-supplied mode, helps the maintenance maintenance work in later stage.Preferably, described master switch also arranges the alarm unit that is connected with described judging unit, is used for sending alarm signal when described fault takes place; For example, when the uninterrupted power supply cisco unity malfunction, when perhaps the arbitrary unit except alarm unit breaks down, can both in time notify the user, for example sound, signal such as flash of light.Like this, when output overloading or UPS break down, can forward the bypass operating state without interruption to and be continued to power to the load by civil power, and warning message is provided.
Continue to provide by reference to the accompanying drawings specific description below, the realization of an embodiment of the utility model as shown in Figure 1, civil power enters the back by the master switch control switch, enter lightning protection circuit and anti-jamming circuit, the one road to common output, and one the road to controlling the output of not cutting off the power supply, the output of not cutting off the power supply need be passed through change-over circuit, unstable or disturb when big when civil power, switch to provide stable after the battery inversion alternating current to power consumption equipment, reach the constant voltage effect; When unstable or thunderbolt caused electric voltage over press when civil power, the Intelligent Measurement part detected the back and adopts battery inversion output, and the high pressure that comes burning voltage and disconnect the civil power thunderbolt enters electrical appliance, and protection electrical equipment is not damaged.Detect voltage or electrical network goes wrong, for example, spread of voltage or electrical network instability, battery outputs to inverter circuit by high frequency control.
Further, embodiment of the present utility model can also be, each technical characterictic of the various embodiments described above, the uninterrupted power supply that is combined to form mutually, and the application of uninterrupted power supply in suspension type camera, computer power, portable terminal, traffic lights, supply socket, Medical Devices, portable equipment, ATM among above-mentioned arbitrary embodiment.For example, can embed the product of each embodiment of the utility model in the security protection camera; When the external power source fault or when suffering artificial destruction, native system can switch to back-up source immediately.And traditional product is because volume and weight can't embed underslung camera.The product of each embodiment of the utility model can also embed in the computer housing power supply, when civil power interrupts owing to a variety of causes, native system can switch back-up source immediately, guarantee the data security of computer, traditional UPS (uninterrupted power supply) is same because volume and weight can't embed chassis power supply.In addition; for using all kinds of uninterrupted systems; comprise all traffic, bank, Medical Devices, portable equipment, supervisory control system; can be designed to embed the product of each embodiment of the utility model simply and easily; protection when realizing outage is avoided various data because accident power-off causes and loses or interrupt.And, for the common power socket, can embed product that each embodiment of the utility model is set equally as the electrical equipment of middle low power, comprise computer, television set, facsimile machine, printer etc., the back-up source after the civil power accidental interruption.
Adopt above-described embodiment, the utility model has solved following problem: when having a power failure or after fault causes the civil power power down, power consumption equipment outage back loss of data, the communicating interrupt that causes, maybe may cause the damage electrical appliance.The utility model has also reached burning voltage, plays the effect of overvoltage, overcurrent, overload, short-circuit protection.Specifically, 1, adopted new material, the utility model adopts the high-energy power lithium battery, and than traditional lead acid accumulator, loss is littler, volume is littler and weight is lighter, is about the 20%-30% of traditional product, and prolongs 4 to 5 times useful life.2, adopted new technology, the utility model adopts high frequency conversion, and with respect to the low frequency inversion transformation technique of existing product, efficient is higher, make product do smaller and more exquisite exquisiteness, weight is lighter, can embed sorts of systems or carries.3, reach environmental protection, the environmental protection lithium battery is compared with lead acid accumulator, and volume is little, and is in light weight, and the life-span is long, changes pollution-free.4, increased the maintenance function of battery pack on the circuit, can be regular or irregularly discharge and charge for battery pack, to reduce battery memory, prolong the useful life of battery.5, automatically switch, in time find powerup issue and processing, guaranteed uninterrupted power supply.
Need to prove that above-mentioned each technical characterictic continues combination mutually, forms the various embodiment that do not enumerate in the above, all is considered as the scope of the utility model specification record; And, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.

Claims (10)

1. uninterrupted power supply, it is characterized in that, comprise mains electricity input end, master switch, power filter unit, rectification unit, Intelligent Measurement unit, intelligent control unit, charging control unit, lithium-ion-power cell unit, high frequency control unit, inverter circuit, TCU transfer control unit, over-current and-load detecting unit, display unit and output device;
Described output device arranges diverter switch and the common output unit that is connected with described diverter switch respectively, controlled output unit, the output of not cutting off the power supply; Described diverter switch is used for selecting the described common output unit of conducting or the described controlled output unit that do not cut off the power supply to described output; And, between described diverter switch and described output, a fuse is set;
Described civil power end of incoming cables, described master switch, described power filter unit, described common output unit are linked in sequence;
Described power filter unit also is linked in sequence with described Intelligent Measurement unit, described intelligent control unit, described display unit;
Whether whether described Intelligent Measurement unit arranges voltage detection module, surpass for detection of voltage to pre-set voltage threshold or voltage fluctuation and surpass and pre-set the voltage fluctuation threshold value;
Described intelligent control unit also is connected with described charging control unit, described lithium-ion-power cell unit respectively; Described intelligent control unit arranges the battery cell monitoring module, be used for obtaining the information of described lithium-ion-power cell unit, calculate the charging interval, control described charging control unit described lithium-ion-power cell unit is charged, and output to described display unit and show;
Described power filter unit also is linked in sequence with described rectification unit, described charging control unit, described lithium-ion-power cell unit, described high frequency control unit, described inverter circuit, described TCU transfer control unit, described over-current and-load detecting unit, the described controlled output unit that do not cut off the power supply;
Described rectification unit also is connected with described TCU transfer control unit.
2. according to the described uninterrupted power supply of claim 1, it is characterized in that described intelligent control unit also arranges a charging indication, is used to indicate charged state.
3. according to the described uninterrupted power supply of claim 2, it is characterized in that described intelligent control unit also arranges an alarm module, be used for charge and discharge overtension, cell voltage is crossed low or battery need safeguard the time, sends warning message.
4. according to the described uninterrupted power supply of claim 3, it is characterized in that described output device also arranges a short-circuit protection unit between described diverter switch and described output, be used for when short circuit causes rush of current, cutting off output.
5. according to the described uninterrupted power supply of claim 4, it is characterized in that, described output device also arranges a detecting unit that is connected with described output, described master switch respectively, is used for stopping output at described output and pre-sets the time above one, disconnects described master switch.
6. according to the described uninterrupted power supply of claim 5, it is characterized in that, described intelligent control unit also arranges and described battery cell monitoring module microprocessor linked, and the input module that is connected with described microprocessor, be used for receiving input instruction and execution, the result outputed to described display unit show;
Described intelligent control unit also arrange be connected with described microprocessor respectively charge and discharge voltage computing module, battery electric quantity display module, battery maintenance control circuit memory module, be respectively applied to calculate the charging and discharging voltage, show battery dump energy and the power-on time that changes according to power consumption of described lithium-ion-power cell unit, storage battery maintenance control circuit.
7. according to the described uninterrupted power supply of claim 6, it is characterized in that, between described charging control unit and the described lithium-ion-power cell unit charge switch is set, and, between described lithium-ion-power cell unit and the described high frequency control unit power switch is set.
8. according to the described uninterrupted power supply of claim 7, it is characterized in that at least two series connected battery storehouses of described lithium-ion-power cell unit setting.
9. described uninterrupted power supply according to Claim 8, it is characterized in that, described master switch also arranges a judging unit, be connected with described output, described power filter unit, described over-current and-load detecting unit respectively, be used for to judge in described power filter unit or during described over-current and-load detecting unit output fault, directly described mains electricity input end is outputed to described output.
10. according to the described uninterrupted power supply of claim 9, it is characterized in that described master switch also arranges a by-pass switch that is connected with described output, be used for the manual switchover supply power mode, directly described mains electricity input end is outputed to described output.
CN 201320067170 2013-02-04 2013-02-04 Ups Expired - Lifetime CN203135566U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872758A (en) * 2014-03-25 2014-06-18 沈阳航天新光集团有限公司 Power supply dynamic loop controlling and monitoring system
CN105471083A (en) * 2015-11-25 2016-04-06 王钦普 Safety switching device and method of power battery and battery simulator
CN110707804A (en) * 2019-10-18 2020-01-17 上海玫克生储能科技有限公司 Energy storage and standby power device with online test function and test method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872758A (en) * 2014-03-25 2014-06-18 沈阳航天新光集团有限公司 Power supply dynamic loop controlling and monitoring system
CN103872758B (en) * 2014-03-25 2016-02-17 沈阳航天新光集团有限公司 Power supply power recirculates controls supervisory control system
CN105471083A (en) * 2015-11-25 2016-04-06 王钦普 Safety switching device and method of power battery and battery simulator
CN105471083B (en) * 2015-11-25 2018-10-12 王钦普 A kind of safety switching apparatus and method of power battery and battery simulator
CN110707804A (en) * 2019-10-18 2020-01-17 上海玫克生储能科技有限公司 Energy storage and standby power device with online test function and test method

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