CN109980770A - A kind of data center's air-conditioning emergency power system and control method - Google Patents
A kind of data center's air-conditioning emergency power system and control method Download PDFInfo
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- CN109980770A CN109980770A CN201910332350.0A CN201910332350A CN109980770A CN 109980770 A CN109980770 A CN 109980770A CN 201910332350 A CN201910332350 A CN 201910332350A CN 109980770 A CN109980770 A CN 109980770A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003750 conditioning effect Effects 0.000 claims abstract description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 26
- 229910052744 lithium Inorganic materials 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H02J7/022—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Air Conditioning Control Device (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of data center's air-conditioning emergency power systems, including AC power source, rectification unit, converter unit, conditioning control unit, emergency power supply unit；The input terminal of the rectification unit is connect with AC power source, and output end is connect by DC BUS direct current common bus with frequency-variable module, and frequency-variable module is connect with compressor power end；The rectification unit is also connect by DC BUS direct current common bus with emergency power supply unit, and the conditioning control unit is connect with rectification unit, converter unit and emergency power supply unit respectively.Also disclose a kind of data center's air-conditioning emergency service control method.Frequency-changeable compressor drive module is sufficiently merged in emergency power system, air-conditioning halting problem caused by mains failure and power supply switching is solved, greatly reduces the delay machine risk of data center's information technoloy equipment, have broad application prospects in data center field.
Description
Technical field
The present invention relates to air-conditioning power supply technique field, especially a kind of data center's air-conditioning emergency power system and controlling party
Method.
Background technique
Constructing data center scale is increasing at present, and the integrated level of server is higher and higher, and the power of data equipment mentions
It rises and its deployment way brings new cooling problem, the refrigeration air-conditioner problem in IDC computer room has surmounted power supply, becomes electricity
The matter of utmost importance of letter operation IDC.In conventional scheme, the air-conditioning switchboard of IDC computer room is general using mains-supplied all the way, most
More incoming powers use two-way power supply power supply, with manual switching or can use ATS auto switching between two-way power supply, air-conditioning uses
Alternating current will result in computer room temperature and climb sharply rapidly once having a power failure all the way.Even if being quickly switched into stand-by generator or standby electricity
Source, because of the working characteristics of compressor, air-conditioning freezes again to be also required to after 3 minutes, in general communications equipment room, since power is close
To spend low, diesel-driven generator start delay and conventional power supply grid switching operation may there is no problem, but for IDC computer room,
It is difficult to receive within this period of power interruptions, it is possible to will develop as a disaster.According to test and calculate, one
A common average rack power density is less than the computer room of 2kW, after alternating current power down refrigeration equipment is out of service, through 60 seconds computer room temperature
Degree, which just rises to information technoloy equipment after just rising to 25 DEG C of maximum temperature, 3.5 minutes of computer room permission, allows 32 DEG C of highest inlet air temperature；One
The computer room of a 17 3KW cabinet total calorific value 51KW, after air-conditioning is stopped transport, cabinet intake air temperature reaches 32 within about 35-40 seconds
Degree；The computer room of one 17 6KW cabinet total calorific value 102KW, after air-conditioning is stopped transport, cabinet intake air temperature reaches 32 within about 15 seconds
Degree.Even if institute switches or be switched to 3 minutes refrigeration intervals caused by oil machine power supply station as two-way power supply, it can still cause computer room temperature
Degree rises, and information technoloy equipment has delay machine risk.
Summary of the invention
The object of the present invention is to provide a kind of data center's air-conditioning emergency power system and control methods, solve air-conditioning power supply
Power interruptions, the problem of causing air-conditioning to be shut down.
To achieve the above object, the present invention adopts the following technical solutions:
First aspect present invention provides a kind of data center's air-conditioning emergency power system, including AC power source, rectification list
Member, converter unit, conditioning control unit, emergency power supply unit；The input terminal of the rectification unit is connect with AC power source, output
End is connect by DC BUS direct current common bus with frequency-variable module, and frequency-variable module is connect with compressor power end；The rectification is single
Member is also connect by DC BUS direct current common bus with emergency power supply unit, and the conditioning control unit is single with rectification respectively
Member, converter unit are connected with emergency power supply unit.
With reference to first aspect, in a first possible implementation of that first aspect, the emergency power supply unit includes filling
Control of discharge module, battery module and voltage transformation module, the charge and discharge control module pass through DC BUS direct current common bus
Connect with rectification module, charge-discharge modules are also connect with battery module, the battery module also with the input of voltage transformation module
End connection, the output end of voltage transformation module and the power end of conditioning control unit connect.
With reference to first aspect, in a second possible implementation of that first aspect, the power module includes lithium battery
It is connect with the input terminal of BMS battery management submodule, the BMS battery management submodule with lithium battery, output end and air-conditioning control
The input terminal of unit processed connects.
Second aspect of the present invention provides a kind of data center's air-conditioning emergency service control method, comprising the following steps:
When external power supply is normal, AC power source is powered all the way for compressor, and another way is the power supply of emergency power supply unit；
When external power supply exception, emergency power supply unit provides electric energy by DC BUS direct current common bus for rectification module.
In conjunction with second aspect, in second aspect in the first possible implementation, the another way is emergency power supply list
Member power supply, specifically includes:
When BMS battery management submodule detects electric quantity of lithium battery lower than load voltage value, charge request is sent to air-conditioning
Control unit, conditioning control unit send charge command to charge-discharge modules, and lithium battery is connected to DC by charge-discharge modules
BUS direct current common bus takes electricity；
When BMS battery management submodule detects that electric quantity of lithium battery reaches load voltage value, sends and stop charge request extremely
Conditioning control unit, conditioning control unit, which is sent, stops charge command to charge-discharge modules, and lithium battery and DC BUS direct current are public
The charge circuit of bus disconnects.
In conjunction with second aspect, in second of second aspect possible implementation, the emergency power supply unit passes through DC
BUS direct current common bus provides electric energy for rectification module, specifically includes:
BMS battery management submodule sends electric discharge request to conditioning control unit, and conditioning control unit sends electric discharge order
To charge-discharge modules, lithium battery discharges electric energy by DC BUS direct current common bus.
In conjunction with second aspect, in second aspect in the third possible implementation, the emergency power supply unit passes through DC
BUS direct current common bus provides electric energy for rectification module, further includes:
When BMS battery management submodule detects electric quantity of lithium battery lower than given threshold, sends and stop electric discharge request to sky
Control unit is adjusted, conditioning control unit, which is sent, stops electric discharge order to charge-discharge modules, lithium battery and the public mother of DC BUS direct current
The discharge loop of line disconnects.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
The present invention sufficiently analyzes data center's air conditioner power source system, presently, there are aiming at the problem that carry out analytic demonstration, tie
The characteristics of closing power electronic technique and overall system architecture, frequency-changeable compressor drive module is sufficiently melted in emergency power system
It closes, solves air-conditioning halting problem caused by mains failure and power supply switching, greatly reduce the delay machine of data center's information technoloy equipment
Risk has broad application prospects in data center field.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram；
Fig. 2 is the method for the present invention flow chart.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
As shown in Figure 1, a kind of data center's air-conditioning emergency power system of the invention, it is single to have merged frequency-changeable compressor driving
Member and emergency power supply unit.Frequency-changeable compressor driving unit includes rectification module, DCbus direct current common bus, frequency-variable module three
Part forms, and wherein exchange input is converted to direct current by rectification module, is connected to frequency-variable module, frequency-variable module by DC bus
Direct current is converted to the controllable exchange of frequency by interior semiconductor element, realizes the variable frequency starting of compressor；Emergency power supply unit packet
Containing charge-discharge modules, battery module, voltage transformation module and peripheral circuit module.Conditioning control unit passes through interface and test section
Each module information is carried out aggregation process, is the general control system of air-conditioning, for detecting, coordinating and controlling frequency-changeable compressor by part
The overall operation of each sections such as drive module, emergency power system.
Charge-discharge modules are connected between the DCbus direct current common bus and battery module of frequency-changeable compressor drive module,
It when market is normal, charges to battery module, when city's electrical anomaly, by the module by battery module energy transmission to rectification
Module realizes battery system electric discharge.
Battery module is made of lithium battery and BMS battery management system, and battery capacity can be full according to client and loading condition
The asynchronous crash time demand of foot, BMS battery management system, real-time monitoring battery status, and by cell voltage, electric current, interior
Situations such as resistance, feeds back to monitoring air-conditioner.Ensure battery system safety.Voltage transformation module realize by cell system voltage into
Row conversion provides power supply for peripheral circuit module, and when guaranteeing mains failure, entire air-conditioning system normal operation is steady.
As shown in Fig. 2, a kind of data center's air-conditioning emergency service control method, comprising the following steps:
When S1, external power supply are normal, AC power source is powered all the way for compressor, and another way is the confession of emergency power supply unit
Electricity；
When S2, external power supply exception, emergency power supply unit provides electricity by DC BUS direct current common bus for rectification module
Energy.
When external power supply is normal in step S1, AC power source another way is the power supply of emergency power supply unit, is specifically included:
When S11, BMS battery management submodule detect electric quantity of lithium battery lower than load voltage value, charge request is sent extremely
Conditioning control unit, conditioning control unit send charge command to charge-discharge modules, and lithium battery is connected to by charge-discharge modules
DC BUS direct current common bus takes electricity；
When S12, BMS battery management submodule detect that electric quantity of lithium battery reaches load voltage value, sends to stop charging and ask
It asks to conditioning control unit, conditioning control unit, which is sent, stops charge command to charge-discharge modules, lithium battery and DC BUS direct current
The charge circuit of common bus disconnects.
In step S2, emergency power supply unit provides electric energy by DC BUS direct current common bus for rectification module, specific to wrap
It includes:
S21, BMS battery management submodule send electric discharge request to conditioning control unit, and conditioning control unit sends electric discharge
Order to charge-discharge modules, lithium battery discharges electric energy by DC BUS direct current common bus.
When S22, BMS battery management submodule detect electric quantity of lithium battery lower than given threshold, sends and stop electric discharge request
To conditioning control unit, conditioning control unit, which is sent, stops electric discharge order to charge-discharge modules, and lithium battery and DC BUS direct current are public
The discharge loop of common bus disconnects.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. a kind of data center's air-conditioning emergency power system, characterized in that including AC power source, rectification unit, converter unit, sky
Adjust control unit, emergency power supply unit；The input terminal of the rectification unit is connect with AC power source, and output end is straight by DC BUS
Stream common bus is connect with frequency-variable module, and frequency-variable module is connect with compressor power end；The rectification unit also passes through DC
BUS direct current common bus is connect with emergency power supply unit, the conditioning control unit respectively with rectification unit, converter unit and answer
The connection of urgent telegram source unit.
2. data center's air-conditioning emergency power system as described in claim 1, characterized in that the emergency power supply unit includes
Charge and discharge control module, battery module and voltage transformation module, the charge and discharge control module pass through the public mother of DC BUS direct current
Line is connect with rectification module, and charge-discharge modules are also connect with battery module, and the battery module is also defeated with voltage transformation module
Enter end connection, the output end of voltage transformation module and the power end of conditioning control unit connect.
3. data center's air-conditioning emergency power system as claimed in claim 2, characterized in that the power module includes lithium electricity
Pond and BMS battery management submodule, the input terminal of the BMS battery management submodule are connect with lithium battery, output end and air-conditioning
The input terminal of control unit connects.
4. a kind of data center's air-conditioning emergency service control method, is using described in claims 1 to 3 any claim
System, characterized in that the following steps are included:
When external power supply is normal, AC power source is powered all the way for compressor, and another way is the power supply of emergency power supply unit；
When external power supply exception, emergency power supply unit provides electric energy by DC BUS direct current common bus for rectification module.
5. data center's air-conditioning emergency service control method as claimed in claim 4, characterized in that the another way is emergency
Power supply unit power supply, specifically includes:
When BMS battery management submodule detects electric quantity of lithium battery lower than load voltage value, charge request is sent to airconditioning control
Unit, conditioning control unit send charge command to charge-discharge modules, and it is straight that lithium battery by charge-discharge modules is connected to DC BUS
Stream common bus takes electricity；
When BMS battery management submodule detects that electric quantity of lithium battery reaches load voltage value, sends and stop charge request to air-conditioning
Control unit, conditioning control unit, which is sent, stops charge command to charge-discharge modules, lithium battery and DC BUS direct current common bus
Charge circuit disconnect.
6. data center's air-conditioning emergency service control method as claimed in claim 4, characterized in that the emergency power supply unit
Electric energy is provided for rectification module by DC BUS direct current common bus, is specifically included:
BMS battery management submodule sends electric discharge request to conditioning control unit, and conditioning control unit sends electric discharge order to filling
Discharge module, lithium battery discharge electric energy by DC BUS direct current common bus.
7. data center's air-conditioning emergency service control method as claimed in claim 6, characterized in that the emergency power supply unit
Electric energy is provided by DC BUS direct current common bus for rectification module, further includes:
When BMS battery management submodule detects electric quantity of lithium battery lower than given threshold, sends and stop electric discharge request to air-conditioning control
Unit processed, conditioning control unit, which is sent, stops electric discharge order to charge-discharge modules, lithium battery and DC BUS direct current common bus
Discharge loop disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332350.0A CN109980770A (en) | 2019-04-24 | 2019-04-24 | A kind of data center's air-conditioning emergency power system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332350.0A CN109980770A (en) | 2019-04-24 | 2019-04-24 | A kind of data center's air-conditioning emergency power system and control method |
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| Publication Number | Publication Date |
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| CN109980770A true CN109980770A (en) | 2019-07-05 |
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| CN201910332350.0A Pending CN109980770A (en) | 2019-04-24 | 2019-04-24 | A kind of data center's air-conditioning emergency power system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146774A (en) * | 2020-01-03 | 2020-05-12 | 深圳供电局有限公司 | DC power supply system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546133A (en) * | 2013-09-11 | 2014-01-29 | 合肥联信电源有限公司 | Power-type emergency power supply with automatic main/standby motor switching function and operating method |
| CN104734311A (en) * | 2013-12-20 | 2015-06-24 | 珠海格力电器股份有限公司 | Compressor energy control circuit and method and centrifugal water chilling unit |
| CN107437847A (en) * | 2017-06-14 | 2017-12-05 | 浙江南都电源动力股份有限公司 | Energy storage for data center machine room construction is for electric service system |
-
2019
- 2019-04-24 CN CN201910332350.0A patent/CN109980770A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546133A (en) * | 2013-09-11 | 2014-01-29 | 合肥联信电源有限公司 | Power-type emergency power supply with automatic main/standby motor switching function and operating method |
| CN104734311A (en) * | 2013-12-20 | 2015-06-24 | 珠海格力电器股份有限公司 | Compressor energy control circuit and method and centrifugal water chilling unit |
| CN107437847A (en) * | 2017-06-14 | 2017-12-05 | 浙江南都电源动力股份有限公司 | Energy storage for data center machine room construction is for electric service system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146774A (en) * | 2020-01-03 | 2020-05-12 | 深圳供电局有限公司 | DC power supply system and control method thereof |
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Application publication date: 20190705 |