CN108988475A - Precision air conditioner emergency power system - Google Patents

Precision air conditioner emergency power system Download PDF

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Publication number
CN108988475A
CN108988475A CN201810763253.2A CN201810763253A CN108988475A CN 108988475 A CN108988475 A CN 108988475A CN 201810763253 A CN201810763253 A CN 201810763253A CN 108988475 A CN108988475 A CN 108988475A
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CN
China
Prior art keywords
battery
air conditioner
precision air
alternating current
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810763253.2A
Other languages
Chinese (zh)
Inventor
李�浩
刘勇
李淼
Original Assignee
李�浩
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李�浩 filed Critical 李�浩
Priority to CN201810763253.2A priority Critical patent/CN108988475A/en
Publication of CN108988475A publication Critical patent/CN108988475A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies

Abstract

The present invention provides a kind of precision air conditioner emergency power systems, comprising: dual power supply input unit, control device, frequency converter, charger, battery and precision air conditioner, dual power supply input unit is for inputting power grid two-way alternating current;Control device is used to be based on two-way alternating current state in which, selective control is carried out to frequency converter, charger, battery, to provide lasting electric energy for precision air conditioner.Precision air conditioner emergency power system provided in an embodiment of the present invention, the purifying fresh air system and air precision air conditioning system power supply trouble that can be avoided in computer information system and IT data center computer room are paralysed, loss of vital data is prevented, the service time of computer information system and IT data center computer room is extended.

Description

Precision air conditioner emergency power system
Technical field
The present invention relates to a kind of power-supply systems, and in particular to a kind of precision air conditioner emergency power system.
Background technique
Computer information system and IT data center computer room, become the infrastructure of the following big data industry, and system possesses largely The various accurate cabinets of data storage server and data terminal, these low-density cabinets consume 3-4kw electric energy, and high density disappears 6-8kw electric energy are consumed, a large amount of thermal energy are generated, discharge will result in outdoor air pollution precision equipment naturally, it is therefore desirable to which design is matched Set purifying fresh air system and air precision air conditioning system.
The power motor of purifying fresh air system and air precision air conditioning system runs under the power save mode of frequency control, needs Safe and reliable commercial power supply and the emergency configuration of on-site generated power machine, avoid that power outage occurs, cause accurate cabinet temperature anxious Play rises, and damages terminal device, loses information data, and consequence is hardly imaginable.But burst power outage or electric network fault, this A little power motors will stop transport, and starter-generator power supply is cut after stable electric power, carry out power motor and restart operation.When Behind city power recovery, stop generator operation, power motor shuts down again, starting operation again after access alternating current.So continuously several times, It will result in motor start-stop frequently or switch asynchronous and burn coil, can be reduced the service life not damaging, therefore Power supply design is improved, the operation switching of motor gapless is implemented, is just avoided that the frequent start-stop of power motor causes the accident.
Summary of the invention
Example technical problems to be solved of the invention are to provide a kind of precision air conditioner emergency power system, which makes to count Machine information system and IT data center computer room are calculated, in any power failure, starting and handoff procedure of alternating current and generator, it is ensured that frequency converter It meets an urgent need gapless power supply state.
The technical solution adopted by the present invention are as follows:
The embodiment of the present invention provides a kind of precision air conditioner emergency power system, comprising: dual power supply input unit, control dress It sets, frequency converter, charger, battery and precision air conditioner, the dual power supply input unit are used to input power grid two-way alternating current;It is described Control device is used to be based on two-way alternating current state in which, carries out selective control to the frequency converter, charger, battery, To provide lasting electric energy for the precision air conditioner, wherein
When the two-way alternating current is in normal mode of operation, the control device controls the alternating current and passes through the frequency conversion Device is conveyed to the precision air conditioner, and controls the alternating current and charged by charger to the battery;And in two-way During municipal power failure to generator comes into operation, the battery is controlled to the inverter supply, to provide power to State precision air conditioner.
Optionally, described during municipal power failure to generator comes into operation, the battery is controlled to the frequency converter Power supply, is continuously available to the precision air conditioner for electric energy, specifically includes:
During alternating current main road breaks down and switches to alternating current for road, controls the battery and supplied to the frequency converter Electricity controls the battery and exits power supply after the completion of alternating current switching;And
In two-way municipal power failure, the battery is controlled to the inverter supply, starts and transports in generator After row is stablized, controls the battery and exit power supply;Work as city power recovery, during generator exits power supply, controls the storage Battery controls the battery and exits power supply to the inverter supply after alternating current is stablized.
Optionally, the control device is also used to: to the dual power supply input unit, the charger and the battery Status information be monitored, and the status information of monitoring is sent to monitor and host computer by preset communication interface.
Optionally, the preset communication interface is RS485 interface or CAN interface.
Precision air conditioner emergency power system provided in an embodiment of the present invention, can be avoided computer information system and IT data Purifying fresh air system and air precision air conditioning system power supply trouble in computer room are paralysed, and loss of vital data is prevented, and extend trusted computer The service time of breath system and IT data center computer room.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of precision air conditioner emergency power system provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
Technical idea of the invention is, gives precision air conditioner emergency power system design communication-DC charger, electric power storage The DC side of pond energy storage device, parallel connection access frequency converter mentions during municipal power failure to generator comes into operation for precision air conditioner For emergency power supply, system power supply failure is avoided to paralyse, enhances reliability, the stability of power motor system.It simultaneously will be in system Dual power supply, battery and exchange and the running state information of DC charger etc. should send monitoring by Intelligent Communications Interface Device display control will also send upper computer detection, storage and long-range control.
Specifically, as shown in Figure 1, the embodiment of the present invention provides a kind of precision air conditioner emergency power system, comprising: dual power supply Input unit 1, control device 2, frequency converter 3, charger 4, battery 5 and precision air conditioner 6, the dual power supply input unit 1 are used In input power grid two-way alternating current;The control device 2 is used to be based on two-way alternating current state in which, to the frequency converter 3, charging Device 4, battery 5 carry out selective control, to provide lasting electric energy for the precision air conditioner 6.Wherein, in the two-way alternating current When in normal mode of operation, the control device 2 controls the alternating current and is conveyed to the precision air conditioner by the frequency converter 3 6, and control the alternating current and charged by charger 4 to the battery 5;And it is thrown in two-way municipal power failure to generator It during entering use, controls the battery 5 and powers to the frequency converter 3, to provide power to the precision air conditioner 6.
Specifically, described during municipal power failure to generator comes into operation, the battery is controlled to the frequency converter Power supply, is continuously available to the precision air conditioner for electric energy, specifically includes:
During alternating current main road breaks down and switches to alternating current for road, the battery 5 is controlled to the frequency converter 3 Power supply controls the battery 5 and exits power supply after the completion of alternating current switching;And
It in two-way municipal power failure, controls the battery 5 and powers to the frequency converter 3, start simultaneously in generator After stable, control the battery 5 and exit power supply;Work as city power recovery, during generator exits power supply, described in control Battery 5 is powered to the frequency converter 3, after alternating current is stablized, is controlled the battery 5 and is exited power supply.In the embodiment of the present invention In, alternating current main road is less than or equal to 3ms to alternating current for the time that road switches.
In addition, the control device 2 is also used to: to the dual power supply input unit 1, the charger 4 and the electric power storage The running state information in pond 5 is monitored, and the running state information of monitoring is sent to monitoring by preset communication interface Device and host computer.In one example, the preset communication interface can be RS485 interface or CAN interface.
To sum up, precision air conditioner emergency power system provided in an embodiment of the present invention, can be avoided computer information system and Purifying fresh air system and air precision air conditioning system power supply trouble in IT data center computer room are paralysed, and loss of vital data is prevented, and extend meter Calculate the service time of machine information system and IT data center computer room.
Embodiment described above, only a specific embodiment of the invention, to illustrate technical solution of the present invention, rather than It is limited, scope of protection of the present invention is not limited thereto, although having carried out with reference to the foregoing embodiments to the present invention detailed Illustrate, those skilled in the art should understand that: anyone skilled in the art the invention discloses In technical scope, it can still modify to technical solution documented by previous embodiment or variation can be readily occurred in, or Person's equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make corresponding technical solution Essence is detached from the spirit and scope of technical solution of the embodiment of the present invention, should be covered by the protection scope of the present invention.Therefore, The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (4)

1. a kind of precision air conditioner emergency power system characterized by comprising dual power supply input unit, control device, frequency conversion Device, charger, battery and precision air conditioner,
The dual power supply input unit is for inputting power grid two-way alternating current;
The control device is used to be based on two-way alternating current state in which, selects the frequency converter, charger, battery Property control, to provide lasting electric energy for the precision air conditioner, wherein
When the two-way alternating current is in normal mode of operation, it is defeated by the frequency converter that the control device controls the alternating current The precision air conditioner is given, and controls the alternating current and is charged by charger to the battery;And
During coming into operation in two-way municipal power failure to generator, the battery is controlled to the inverter supply, it will be electric The precision air conditioner can be supplied to.
2. precision air conditioner emergency power system according to claim 1, which is characterized in that described in municipal power failure to power generation During machine comes into operation, the battery is controlled to the inverter supply, electric energy is continuously available to the precision air conditioner, It specifically includes:
During alternating current main road breaks down and switches to alternating current for road, the battery is controlled to the inverter supply, After the completion of alternating current switching, controls the battery and exit power supply;And
In two-way municipal power failure, the battery is controlled to the inverter supply, starts and runs steady in generator After fixed, control the battery and exit power supply;Work as city power recovery, during generator exits power supply, controls the battery It controls the battery after alternating current is stablized to the inverter supply and exits power supply.
3. precision air conditioner emergency power system according to claim 1, which is characterized in that the control device is also used to: The status information of the dual power supply input unit, the charger and the battery is monitored, and by the state of monitoring Information is sent to monitor and host computer by preset communication interface.
4. precision air conditioner emergency power system according to claim 3, which is characterized in that the preset communication interface is RS485 interface or CAN interface.
CN201810763253.2A 2018-07-12 2018-07-12 Precision air conditioner emergency power system Pending CN108988475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810763253.2A CN108988475A (en) 2018-07-12 2018-07-12 Precision air conditioner emergency power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810763253.2A CN108988475A (en) 2018-07-12 2018-07-12 Precision air conditioner emergency power system

Publications (1)

Publication Number Publication Date
CN108988475A true CN108988475A (en) 2018-12-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111425971A (en) * 2020-03-31 2020-07-17 广东美的制冷设备有限公司 Method for operating a mobile air conditioner, mobile air conditioner and storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004208414A (en) * 2002-12-25 2004-07-22 Nec Infrontia Corp Uninterruptible power supply system
CN101917054A (en) * 2010-02-03 2010-12-15 广东美的电器股份有限公司 Direct current varied-frequency air conditioner with solar battery
CN103115405A (en) * 2013-01-30 2013-05-22 昆山市圣光新能源科技有限公司 Solar energy mains supply complementary variable frequency air conditioner
CN103683477A (en) * 2013-12-21 2014-03-26 南通芯迎设计服务有限公司 Refrigerator with uninterruptible power supply
CN105790423A (en) * 2014-12-16 2016-07-20 康舒科技股份有限公司 Alternative battery redundant module and battery redundant system
CN107554302A (en) * 2017-09-11 2018-01-09 中国第汽车股份有限公司 Electric automobile intelligence supplying power for outside system and its control method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004208414A (en) * 2002-12-25 2004-07-22 Nec Infrontia Corp Uninterruptible power supply system
CN101917054A (en) * 2010-02-03 2010-12-15 广东美的电器股份有限公司 Direct current varied-frequency air conditioner with solar battery
CN103115405A (en) * 2013-01-30 2013-05-22 昆山市圣光新能源科技有限公司 Solar energy mains supply complementary variable frequency air conditioner
CN103683477A (en) * 2013-12-21 2014-03-26 南通芯迎设计服务有限公司 Refrigerator with uninterruptible power supply
CN105790423A (en) * 2014-12-16 2016-07-20 康舒科技股份有限公司 Alternative battery redundant module and battery redundant system
CN107554302A (en) * 2017-09-11 2018-01-09 中国第汽车股份有限公司 Electric automobile intelligence supplying power for outside system and its control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111425971A (en) * 2020-03-31 2020-07-17 广东美的制冷设备有限公司 Method for operating a mobile air conditioner, mobile air conditioner and storage medium

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