CN201018295Y - Multi-standard modularized UPS - Google Patents
Multi-standard modularized UPS Download PDFInfo
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- CN201018295Y CN201018295Y CNU2006200675915U CN200620067591U CN201018295Y CN 201018295 Y CN201018295 Y CN 201018295Y CN U2006200675915 U CNU2006200675915 U CN U2006200675915U CN 200620067591 U CN200620067591 U CN 200620067591U CN 201018295 Y CN201018295 Y CN 201018295Y
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Abstract
The utility model relates to a multi-system modularized UPS, which comprises a display control module, at least one UPS single power module and a centralized by-pass control module respectively and independently arranged in a drawer type rack and a cascaded frame. Wherein, the UPS single power module is arranged with a system selection part to enable users to set system on demand. Corresponding output voltage, output phase and output frequency are controlled by internal programs of a central processing unit to output an inverted drive signal and then output sine wave AC electric power after being inverted by a three-level inverter. As to demand for user load increase, it is only necessary to increase single power modules by sages according to power supply plans, thus showing more flexibility and higher reliability. Moreover, the utility model can form four types of power source systems, viz. 3/3 (Three-phase incoming and three-phase outgoing), 1/1, 3/1 and 1/3, arrange output frequency of 50Hz or 60Hz and output voltage of 220V, 230V and 240V to meet diverse demands. Furthermore, with an overall cascaded structure, the UPS has the advantages of small size, easy moving, transportation and arrangement.
Description
Technical field
The utility model relates to a kind of UPS (uninterrupted power supply), especially a kind of multi-mode modular UPS.
Background technology
General UPS is exactly a complete machine, need during use according to user load amount, the requirement of input and output power parameter, select the ups power of different capacity, when damaging, UPS need change the maintenance bypass power supply over to, reliability in the maintenance period electric can not get ensureing like this, and the user is very inconvenient to the dilatation of UPS capacity in the future.
Modular UPS itself is exactly a UPS, and he includes a plurality of " module " group, each module parallel operation, can arbitrarily insert out or what of insert module relevant with power.Module comprises rectifier, inverter and attached control circuit, CPU master control borad etc.Compare with traditional UPS, its biggest advantage is to improve the reliabilty and availability of system, does not influence the operate as normal of other modules because a module breaks down, and hot-swappable characteristic can shorten the installation and the repair time of system greatly.In addition, Modular UPS can bring better extensibility to the user, and this also plays a very good protection for user's investment.
From technical elements, Modular UPS has been very ripe, but from user's use angle, a kind of type can not satisfy all users' power demands.Different users to the demand of power supply different as: input voltage, incoming frequency, output voltage, output frequency, the input number of phases, the output number of phases etc.So in order to satisfy the different power demands of user, different products must be arranged, select type to bring inconvenience to UPS production and user like this to adapt to different customer requirements.
The utility model content
The purpose of this utility model provides a kind of modularization, high efficiency, volume is little, compact conformation, can satisfy different inputs, output voltage simultaneously, output, output frequency, the requirement of power consumption parameter such as input, the output number of phases, and allow the user to reach the multi-mode modular UPS that budget is effectively mated as required.
The technical solution of the utility model is such:
A kind of multi-mode modular UPS comprises display control module, the single power model of at least one UPS and concentrated bypass control module, and described module independently is arranged in the drawer type frame respectively and is installed in the laminar framework;
The single power model of described UPS comprises PFC rectifying part, inversion part and control section; Wherein the PFC rectifying part is made up of PFC rectification and battery charge control section, control detection part and PFC rectifying part power circuit; Described PFC rectification and battery charge control section are accepted the control of control module dsp processor, are used to finish the power factor calibration of civil power input, and the charge function of storage battery; Described control detection partly detects detection limits such as mains input voltage, cell voltage, civil power input current, and send into the control module dsp processor it is controlled, to finish the judgement of input voltage height, the control of battery charging voltage, the functions such as detection of input gross power; Described PFC rectifying part power circuit produces the required various power supply of control detection part with civil power after the DC/DC conversion;
Described inversion partly comprises inverter protection part, three-level inverter, this electromechanics stream test section and power circuit; Wherein, inverter protection part detects the over-current signal of three-level inverter, realizes the short-circuit protection of three-level inverter, detects the temperature of power tube in the three-level inverter, realizes the power tube overtemperature protection; Three-level inverter amplifies the drive signal that the control module dsp processor is sent into, and finishes direct current to the mapping function that exchanges; This machine output current of three-level inverter is detected in this electromechanics stream test section, sends into the control module dsp processor after level conversion and Filtering Processing, finishes the measuring ability of this machine of three-level inverter output current; Power circuit produces control detection part and the required power supply of UPS module controls part with AC-input voltage after the AC/DC conversion.
Described UPS module controls partly comprises between control section power circuit, standard selection part, central processing unit, output voltage current detecting part, data communication part, average current detection part and the single power model of UPS controls bus; Wherein, the low-voltage of control section power circuit after with the DC/DC conversion carried out secondary DC/DC conversion, forms each dsp processor part, the required high-precision power of each detection module part; Standard selects part to finish the selection of multiple working forms such as single-phase output, three-phase output, output frequency, output voltage; The output voltage current detecting part divides detection inverter output voltage, electric current to be used for the computing module power output, control module current-sharing regulated output voltage; The control module dsp processor is the core of the single power model of UPS, is used for the control between PFC rectifying part, inversion part and the single power model of each UPS, and its peripheral circuit is the minimum system of dsp processor work; Data communication partly is used to finish the data communication of single power model of UPS and display control module, reaches the exchanges data of the single power model of display control module and UPS; Average current detection partly is used to finish the calculating from the average current of sharing control bus, sends into control module DSP device and finish sharing control after the level conversion Filtering Processing; The control bus is made up of line and level between the single power model of UPS, is used to finish the synchronous detecting of each module status signal.
Described display control module comprises power circuit, display unit, instruction inputting device, central processing unit and data communication part; Wherein power circuit is given the power supply of display control module each several part; Display unit is used to finish the centralized displaying from the real time data of the indication of the main status signal of relevant UPS of central processing unit and each module; Instruction inputting device is used to finish the input of user's operational order, after central processing unit is handled, realize with UPS list power model and concentrated bypass control module between control with communicate by letter; Central processing unit is the core of whole module, is finished by dsp processor, is used to manage concentratedly all logic determines of display control module and operation, finishes exchanges data and control with single power model of each UPS and concentrated bypass; Data communication partly is used to finish display control module and the single power model of UPS, concentrates the data communication between the bypass control module, realizes the data passes between described each module.
Described concentrated bypass module comprises: control bus between bypass input test section, inversion output test section, bypass/inversion switching control part, data communication part, central processing unit and the module; Wherein bypass input test section is used to detect the bypass input voltage, reaches the good, bad of bypass and judges that the bypass voltage after the detection is distributed to display control module through data communication section and shows for bypass voltage; Inversion output test section is used to detect the voltage of the single power model output of UPS bus, finishes normal, the unusual judgement of inversion; Bypass/inversion switching control part be used to finish the UPS inversion to bypass, switch to the translation function between the inversion; Data communication partly is used to finish concentrates communicating by letter and exchanges data of bypass control module and display control module; The control bus mainly is made up of line and level between the module, finishes the synchronous detecting of each module status signal and concentrated bypass.
The utility model is a multi-modulation scheme module ups power, mainly by concentrating bypass control module and one to be constituted by the single power model of the UPS of 10KW to a plurality of rated capacities, can adopt the hot plug form arbitrarily to expand.The user can occur underestimating or situation such as high expectation when estimating the UPS capacity usually.The utility model allows the user to build stage by stage and invest under the still indefinite situation of future thrust, when user load need increase, only need increases power model according to power planning interimly, has mobility and better reliability more flexibly.The utility model can be configured to 3/3 (three-phase advances three-phase and goes out), 1/1,3/1,1/3 4 kind of power-supply system, and output frequency can be set is 50Hz or 60Hz, and output voltage has 220V, 230V, 240V can satisfy different demands; The single power model of all UPS is shared the internal battery group, also can be mounted to the battery redundancy structure; Output/input all has the power balancing allocation process; And the complete machine outward appearance is a layer structure, and volume is little, is convenient to move, transports and places.The most outstanding advantage of the utility model can realize the combination of multiple working form exactly, and several working ways such as can realizing three advancing three to go out, three advance singly, Dan Jinsan goes out makes things convenient for the user to select.
Description of drawings
Fig. 1 is the block diagram of system of the present utility model;
Fig. 2 is a stereogram of the present utility model.
Embodiment
As shown in Figure 1, 2, a kind of multi-mode modular UPS of the utility model, comprise display control module 1, the single power model 2 of UPS and concentrated bypass control module 3 and storage battery (not shown), described module independently is arranged in the drawer type frame 4 respectively and is installed in the laminar framework 5;
Described display control module 1 comprises power circuit 11, display unit 12, instruction inputting device 13, central processing unit 14 and data communication part 15.
Wherein conversion inputs to power circuit 11 to civil power through DC/DC through filtering, AC/DC conversion and battery, is used for powering to display control module 1 each several part;
Display unit 12: being used to finish the centralized displaying from the real time data of the indication of the main status signal of relevant UPS of central processing unit 14 and each module, can be the LCD/LED display;
Instruction inputting device 13: be used to finish the input of user's operational order, and be sent to central processing unit 14, to reach the purpose of control UPS, and then communicating by letter between single power model 2 of realization and UPS and the concentrated bypass control module 3, this instruction inputting device 13 can be a keyboard, also can be touch-screen;
Central processing unit 14: be the core of whole module, finish, be used to manage concentratedly display control module 1 all logic determines and operation, finish exchanges data and control with single power model 2 of each UPS and concentrated bypass by dsp processor;
Data communication part 15: be used to finish the single power model 2 of display control module 1 and UPS, concentrate the data communication between the bypass control module 3, realize the data passes between described each module.
The single power model 2 of described UPS comprises PFC rectifying part 21, inversion part 22 and control section 23.
Wherein the PFC rectifying part 21: be made up of civil power input slow startup module 212 and slow module 211, PFC rectification and battery charge control section 213, control detection part 214 and the PFC rectification module power circuit 215 of starting of battery input.
The slow module 212 that starts of civil power input wherein: be positioned at the mains electricity input end of the single power model 2 of UPS, be used for to civil power the moment of closing a floodgate to the large impact electric current that filter capacitor produces, carry out precharge, prevent to damage connector and rectifying device;
The slow module 211 that starts of battery input: be positioned at the cell input terminal of the single power model 2 of UPS, be used for to battery the moment of closing a floodgate to the large impact electric current that electric capacity produces, carry out precharge, prevent that connector is impaired;
PFC rectification and battery charge control section 213: accept the control of control module dsp processor 235, be used to finish the power factor calibration of civil power input, and the charge function of storage battery;
Control detection part 214: be used to detect detection limits such as mains input voltage through power factor correction, civil power input current, cell voltage, and send into control module dsp processor 235 it is controlled, to finish the judgement of input voltage height, the control of battery charging voltage, the functions such as detection of input gross power;
PFC rectification module power circuit 215: civil power after the DC/DC conversion, is produced the required various power supply of control;
Described inversion part 22 comprises inverter protection part 221, three-level inverter 222, this electromechanics stream test section 223, isolation drive part 224 and inversion part power circuit 225.
Wherein inverter is protected part 221: accept the control of control module dsp processor 235, be used to detect the over-current signal of three-level inverter 222, realize the short-circuit protection of three-level inverter 222, detect the temperature of power tube in the three-level inverter 222, realize the power tube overtemperature protection;
Three-level inverter 222: claim three-phase inverter again, be used to amplify the drive signal that control module dsp processor 235 is sent into, finish direct current to the mapping function that exchanges;
This electromechanics stream test section 223: be used to detect this machine output current of three-level inverter 222, after level conversion and Filtering Processing, send into control module dsp processor 235, finish the measuring ability of 222 machine output currents of three-level inverter;
Isolation drive part 224: be used for three-phase inversion drive signal that control module dsp processor 235 is sent, carry out level conversion, electrical isolation after, drive the power tube in the three-level inverter 222, reach the three-phase inversion function;
Inversion part power circuit 225: be used for AC-input voltage after the AC/DC conversion, produce control detection part and the required various different power supplies of the single power model control section of UPS.
Described control section 23 comprises control bus 241 between control section power circuit 231, module communication address choice part 232, standard selection part 233, module status display 234, control module dsp processor 235 and the single power model of peripheral circuit 236, inversion drive level conversion portion 237, inverter output voltage and current detecting part 238, data communication part 239, average current detection part 240 and UPS thereof.
Wherein the control section power circuit 231: with the low-voltage of civil power after the DC/DC conversion, carry out secondary DC/DC conversion, form control module dsp processor 235 and the required high-precision power of various detection module.
Module communication address choice part 232: finish the setting of the mailing address of single power model 2 of UPS and display control section 1;
Standard is selected part 233: the pattern of setting demand earlier via the user, analyze the parameter that needs control through 235 decodings of control module dsp processor, at last by control module dsp processor 235 internal processes control respective output voltages, output phase, output frequency, export the inversion drive signal at last, sine wave output alternating current after three-level inverter 222 inversions; The user only needs to choose corresponding work mode and input and output voltage frequency before start, control module dsp processor 235 is when power-up initializing, press customer requirements initialization corresponding data, export the input of customer requirements, finish the selection function of multiple working form;
Module status display 234: represent the operating state that the single power model of UPS 2 is different from the light-emitting mode of LED light-emitting diode.
Control module dsp processor 235 and peripheral circuit 236 thereof: mainly finish the control of complete machine each several part, its peripheral circuit is the minimum system of control module dsp processor 235 work;
Inversion drive level conversion portion 237: the 3.3V tiny signal that control module dsp processor 235 is sent converts in the three-level inverter 222 power tube to required+15V power signal;
Inverter output voltage and current detecting part 238: the output voltage of three-level inverter 222, output current after the level conversion Filtering Processing, are sent into control module dsp processor 235 and finished output voltage feedback and sharing control;
Data communication part 239: the data communication and the exchanges data that are used to finish single power model 2 of UPS and display control module 1;
Average current detection part 240: be used to finish the calculating of average current, after the level conversion Filtering Processing, send into control module dsp processor 235 and finish sharing control;
Described concentrated bypass control module 3 comprises bypass input test section 31, inversion output test section 32, bypass/inversion switching control part 33, concentrates control bus 36 between the single power model of bypass control module dsp processor 34, data communication part 35 and UPS.
Wherein detection module 31 is imported in bypass: be used to detect the bypass input voltage, reach good, the bad judgement of bypass, the bypass voltage after the detection is delivered to display control module 1 through data communication part 35, and the demonstration of bypass voltage is provided;
Inversion output test section 32: be used to detect the voltage of the single power model 2 output buses of UPS, finish normal, the unusual judgement of inversion;
Bypass/inversion switching control part 33: finish the UPS inversion to bypass, switch to the translation function between the inversion;
Data communication part 35: finish and concentrate communicating by letter and exchanges data of bypass control module 3 and display control module 1.
Below divide three kinds of working methods to tell about operation principle of the present utility model;
The civil power operating state; AC-input voltage is delivered to the single power model 2 of UPS from " input voltage bus in parallel " input, wherein to detect the mains input voltage normal for PFC rectifying part 21, then PFC rectifying part power circuit 215 work produces the required power supply of the single power model control section of UPS 23; After having the power supply power supply, the single power model control section 23 of UPS begins to reset, the real beginningization operation of control module dsp processor 235 executive programs, after initialization is finished, the PFC rectified signal is opened in transmission, after PFC rectification, battery charge control section 213 detect the order of control module dsp processor 235 transmissions, start working generation+432V ,-the 432V d. c. voltage signal, deliver to the three-level inverter 222 of inversion part 22 so that direct current energy to be provided by No. 4 buses.PFC rectifying part 21 generation+432V ,-the 432V direct voltage in, the battery that is connected in parallel on positive and negative dc bus is charged.
After PFC rectification work is finished, control module dsp processor 235 just sends the required inversion drive signal of three-level inverter 222, and at this moment three-level inverter 222 output three-phases or single phase alternating current (A.C.) voltage (the selection signal that standard selects part 233 to provide is provided the phase place of output voltage) are delivered to output voltage bus in parallel and other module parallel operation.The inverter voltage of the single power model control section 23 of UPS and current detecting part 238 detect the output voltage of inverter 222, deliver to control module dsp processor 235 and carry out feedback regulation, reach the purpose of regulated output voltage.Average current detection part 240 detects the average current of all modules, delivers to the output current unanimity that control module dsp processor 235 makes each module, reaches the purpose of parallel current-sharing.
The alternating voltage of output voltage bus in parallel is delivered to the inverter input of concentrating bypass control module 3, delivers to UPS output behind bypass/inversion switching control part 33, for electric energy is carried in load, when being output as when single-phase, needs the three-phase firewire short circuit with UPS output.
Battery operated state: after exchanging the input power failure, PFC rectifying part 21 quits work, this moment is because battery is parallel to positive and negative dc bus, so three-level inverter 221 circuit have direct voltage to provide always, continue to be reverse into alternating voltage, because behind mains failure, PFC rectifying part power circuit 215 can not provide power supply to the single power model control section 23 of UPS, the single power model control section 23 of UPS this moment provides electric energy by inversion plate power supply to the single power model control section 23 of UPS.The work of the single power model control section 23 of UPS can not be subjected to have a power failure to be influenced.
Other situation is the same with the civil power normal condition, deliver to output voltage bus in parallel through the alternating voltage that inverter 222 produces, deliver to the inverter input of concentrating bypass control module 3 then, behind bypass/inversion switching control part 33, deliver to UPS output, for electric energy is carried in load.When being output as when single-phase, need three-phase firewire short circuit with UPS output.
When UPS damages, as UPS overload or other critical fault take place, the single power model 2 of UPS sends fault-signal, control bus 241 is delivered to each module between module, reach the purpose of synchronous switching, concentrated bypass detects fault-signal, opens bypass supply immediately and deliver to output behind input voltage bus in parallel, bypass/inversion switching control part 33, reaches the purpose of bypass output.This process is handled and just can be finished switching in the uS level very soon, is continual so export when switching bypass power supply.
Claims (3)
1. multi-mode modular UPS power supply is characterized in that: comprise display control module, the single power model of at least one UPS and concentrated bypass control module, described module independently is arranged in the drawer type frame respectively and is installed in the laminar framework;
The single power model of described UPS comprises PFC rectifying part, inversion part and control section; Wherein the PFC rectifying part is made up of PFC rectification and battery charge control section, control detection part and PFC rectifying part power circuit; Described PFC rectification and battery charge control section are accepted the control of control module dsp processor in the control section; Described control detection partly detects detection limits such as mains input voltage, cell voltage, civil power input current, and the control module dsp processor of sending into control section is controlled it; Described PFC rectifying part power circuit produces the required various power supply of control detection part with civil power after the DC/DC conversion;
Described inversion partly comprises inverter protection part, three-level inverter, this electromechanics stream test section and power circuit; Wherein, inverter protection part detects the temperature of power tube in the over-current signal, three-level inverter of three-level inverter; Three-level inverter amplifies the drive signal that the control module dsp processor is sent into; This machine output current of three-level inverter is detected in this electromechanics stream test section, sends into the control module dsp processor after level conversion and Filtering Processing; Power circuit produces control detection part and the required power supply of UPS module controls part with AC-input voltage after the AC/DC conversion;
Described UPS module controls partly comprises between control section power circuit, standard selection part, control module dsp processor, inverter output voltage current detecting part, data communication part, average current detection part and the single power model of UPS controls bus; Wherein, the low-voltage of control section power circuit after with the DC/DC conversion carried out secondary DC/DC conversion, and control module dsp processor and each detection module part are given in power supply; The standard selection portion is divided the mode data that receives user's setting, through control module dsp processor control respective output voltages, output phase, output frequency, and output inversion drive signal, sine wave output alternating current after the three-level inverter inversion; Inverter output voltage current detecting part after the level conversion Filtering Processing, is sent into the control module dsp processor with the output voltage of three-level inverter, output current; Control module dsp processor control PFC rectifying part, inversion part and the single power model of each UPS; The data communication and the exchanges data of single power model of UPS and display control module partly finished in data communication; Average current detection part is sent into the control module dsp processor after the electric current of sharing control bus is carried out the level conversion Filtering Processing; The control bus is made of the status signal of each module of synchronous detecting between the single power model of UPS line and level.
2. a kind of multi-mode modular UPS power supply according to claim 1 is characterized in that: described display control module comprises power circuit, display unit, instruction inputting device, central processing unit and data communication part; Wherein power circuit is given the power supply of display control module each several part; The display unit centralized displaying is from the index signal of the main state of relevant UPS of central processing unit and the real time data of each module; Instruction inputting device receives the operational order of user's input, after central processing unit is handled, realize with UPS list power model and concentrated bypass control module between control with communicate by letter; Central processing unit is finished by dsp processor, and exchanges data and control with single power model of each UPS and concentrated bypass are finished in centralized management all logic determines of display control module and operation; Data communication is partly controlled display control module and the single power model of UPS, is concentrated data communication and data passes between the bypass control module.
3. a kind of multi-mode modular UPS power supply according to claim 1 is characterized in that: described concentrated bypass module comprises: control bus between bypass input test section, inversion output test section, bypass/inversion switching control part, data communication part, central processing unit and the module; Wherein the bypass input voltage is detected in bypass input test section, judges the good, bad of bypass, and the bypass voltage after the detection is distributed to display control module through data communication section and shows for bypass voltage; The voltage of the single power model output of UPS bus is detected in inversion output test section; Bypass/inversion switching control part finish the UPS inversion to bypass, switch to the conversion between the inversion; Data communication is partly finished and is concentrated communicating by letter and exchanges data of bypass control module and display control module; The control bus mainly is made of the status signal of each module of synchronous detecting and concentrated bypass between the module line and level.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104638624A (en) * | 2013-11-06 | 2015-05-20 | 洛克威尔自动控制技术股份有限公司 | Systems and methods for manufacturing a pre-charge circuit module |
CN103780699B (en) * | 2014-01-26 | 2016-09-21 | 山东钢铁集团有限公司 | A kind of growth data center and construction method thereof |
CN106877686A (en) * | 2017-03-22 | 2017-06-20 | 欧阳常青 | A kind of new power frequency inverter with fabricated structure |
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2006
- 2006-11-15 CN CNU2006200675915U patent/CN201018295Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104638624A (en) * | 2013-11-06 | 2015-05-20 | 洛克威尔自动控制技术股份有限公司 | Systems and methods for manufacturing a pre-charge circuit module |
EP2871922A3 (en) * | 2013-11-06 | 2016-10-12 | Rockwell Automation Technologies, Inc. | Systems and methods for manufacturing a pre-charge circuit module |
CN104638624B (en) * | 2013-11-06 | 2018-07-06 | 罗克韦尔自动化技术公司 | For manufacturing the system and method for pre-charge circuit module |
CN103780699B (en) * | 2014-01-26 | 2016-09-21 | 山东钢铁集团有限公司 | A kind of growth data center and construction method thereof |
CN106877686A (en) * | 2017-03-22 | 2017-06-20 | 欧阳常青 | A kind of new power frequency inverter with fabricated structure |
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Granted publication date: 20080206 Termination date: 20091215 |