CN103199610B - A kind of DC power-supply system and method - Google Patents
A kind of DC power-supply system and method Download PDFInfo
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- CN103199610B CN103199610B CN201310062066.9A CN201310062066A CN103199610B CN 103199610 B CN103199610 B CN 103199610B CN 201310062066 A CN201310062066 A CN 201310062066A CN 103199610 B CN103199610 B CN 103199610B
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Abstract
The present invention relates to a kind of DC power-supply system and method, for providing for electric terminal when mains-supplied stops or be not enough or making up mains-supplied.A kind of DC power-supply system, this system comprises: power pack, comprises one or more batteries, and described batteries is used for providing galvanic output; Power converting section, is connected with described power pack, for the direct current provided by described batteries is converted to alternating current; And hop, be connected with described power converting section, for by described alternating current transmission to electric terminal.The direct current that batteries of the present invention provides is converted to alternating current through power converting section, and described alternating current transmission to electric terminal, thus provides for electric terminal when mains-supplied stops or be not enough or makes up mains-supplied by hop.
Description
Technical field
The present invention relates to a kind of DC power-supply system and method, for providing for electric terminal when mains-supplied stops or be not enough or making up mains-supplied.
Background technology
After the natural calamities such as earthquake occur, resident often causes electricity consumption difficulty because of power breakdown.The batteries that a current electric motor car is equipped with on average can supply the electricity of two days under the state being full of electricity to one family.But because domestic power is alternating current, and batteries provides direct current, so the electric power that batteries provides directly can not be applied by household electrical appliance.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of DC power-supply system and method, the problem that the direct current that in solution prior art, batteries provides cannot be used by household electrical appliance.
To achieve these goals, the invention provides following technical scheme:
A kind of DC power-supply system, for stop in mains-supplied or not enough time to provide for electric terminal or to make up described mains-supplied, this system comprises:
Power pack, comprises one or more batteries, and described batteries is used for providing galvanic output;
Power converting section, is connected with described power pack, for the direct current provided by described batteries is converted to alternating current; And
Hop, is connected with described power converting section, for by described alternating current transmission to electric terminal.
Preferably, described power pack also comprises:
Battery management system, for collecting the batteries dump energy of batteries.
Preferably, described power converting section comprises:
The conversion equipment be made up of transformer and chopper, the direct current provided by batteries is converted to the alternating current being applicable to electric terminal by described conversion equipment.
Preferably, described power converting section comprises:
Power supply handshake elements: carry out pairing for making battery management system and conversion equipment and be connected;
Power supply parameter dispensing unit: for making battery management system that the batteries dump energy of batteries is sent to conversion equipment, makes conversion equipment calculate the maximum convertible amount of batteries dump energy and prepare to carry out electric power conversion;
Power supply unit: carry out electric power conversion for making conversion equipment;
Power supply end unit: for when electric power conversion amount reaches maximum convertible amount, make power delivery termination.
Preferably, described batteries is the batteries of electric motor car.
The present invention also provides a kind of direct current supply method, and the method comprises the following steps:
Power pack provides galvanic output;
The direct current provided by batteries is converted to alternating current by power converting section; And
Hop by alternating current transmission to electric terminal.
Preferably, described power converting section performs following steps:
Power supply handshake steps: battery management system and conversion equipment carry out pairing and be connected;
Power supply parameter configuration step: the batteries dump energy of batteries is sent to conversion equipment by battery management system, conversion equipment calculates the maximum convertible amount of batteries dump energy and prepares to carry out electric power conversion;
Energizing step: conversion equipment carries out electric power conversion;
Power supply end step: when electric power conversion amount reaches maximum convertible amount, power delivery termination.
Preferably, in above-mentioned power supply handshake steps, conversion equipment sends conversion equipment identification message to battery management system, battery management system sends batteries identity coding message to conversion equipment, if identification message and batteries identity coding message are all correct, conversion equipment and battery management system matchs successful connection, otherwise it is unsuccessful to match connection.
Preferably, in above-mentioned power supply parameter configuration step: maximum convertible amount is fed back to battery management system by conversion equipment, after battery management system confirms, conversion equipment prepares to carry out electric power conversion.
Preferably, in above-mentioned energizing step: battery management system detects accumulator battery voltage, batteries temperature, batteries dump energy in real time; When accumulator battery voltage exceed predetermined voltage range or batteries temperature exceed predetermined temperature range or batteries dump energy exceed predetermined electricity scope time, power supply stops;
Conversion equipment detects the current strength of input electric terminal alternating current in real time, and when current strength exceeds scheduled current strength range, power supply stops;
When accumulator battery voltage is in predetermined voltage range and batteries temperature is in predetermined temperature range and batteries dump energy is in predetermined electricity scope, and when current strength is in scheduled current strength range, restore electricity.
At least there is following technique effect in the embodiment of the present invention:
1) direct current that batteries of the present invention provides is converted to alternating current through power converting section, and described alternating current transmission to electric terminal, thus provides for electric terminal when mains-supplied stops or be not enough or makes up mains-supplied by hop.
2) the batteries dump energy of batteries is sent to conversion equipment by battery management system of the present invention, conversion equipment calculates the maximum convertible amount of batteries dump energy and prepares to carry out electric power conversion, thus ensure that the stability of electric terminal institute received current.
3) batteries of the present invention belongs to electric motor car, and batteries can provide power for electric motor car on the one hand, can provide for electric terminal or make up mains-supplied on the other hand when mains-supplied stops or be not enough.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the inventive method embodiment;
Fig. 2 is the connection diagram of conversion equipment of the present invention and battery management system;
Fig. 3 is that the present invention powers a flow chart of handshake steps;
Fig. 4 is a flow chart of power supply parameter configuration step of the present invention;
Fig. 5 is a flow chart of energizing step of the present invention;
Fig. 6 is that the present invention powers a flow chart of end step.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
Fig. 1 is the flow chart of steps of the inventive method embodiment, and as shown in Figure 1, embodiments provide a kind of direct current supply method, the method comprises the following steps:
Power pack provides galvanic output;
The direct current provided by batteries is converted to alternating current by power converting section; And
Hop by alternating current transmission to electric terminal.The direct current that batteries of the present invention provides is converted to alternating current through power converting section, and described alternating current transmission to electric terminal, thus provides for electric terminal when mains-supplied stops or be not enough or makes up mains-supplied by hop.
Described power converting section performs following steps:
Power supply handshake steps: battery management system and conversion equipment carry out pairing and be connected;
Power supply parameter configuration step: the batteries dump energy of batteries is sent to conversion equipment by battery management system, conversion equipment calculates the maximum convertible amount of batteries dump energy and prepares to carry out electric power conversion; Consider the too low stability affecting electric terminal institute received current of batteries dump energy, batteries dump energy at the end of batteries dump energy deducts power supply when the maximum convertible amount of indication starts for powering herein.
Energizing step: conversion equipment carries out electric power conversion;
Power supply end step: when electric power conversion amount reaches maximum convertible amount, power delivery termination.
Concrete, in above-mentioned power supply handshake steps, conversion equipment sends conversion equipment identification message to battery management system, battery management system sends batteries identity coding message to conversion equipment, if identification message and batteries identity coding message are all correct, conversion equipment and battery management system matchs successful connection, otherwise it is unsuccessful to match connection.In above-mentioned pairing connection procedure, the pairing connect hours of such as 10 seconds can be set, when battery management system not receive more than 10 seconds conversion equipment not receive to its conversion equipment identification message sent or conversion equipment the batteries identity coding message that battery management system sends to it more than 10 seconds time, DC power-supply system of the present invention sends pairing and connects overtime alarm.Fig. 3 is that the present invention powers a flow chart of handshake steps, and detailed power supply handshake steps please refer to Fig. 3, and the described power supply in Fig. 3 exports identification result and comprises the parameters such as the voltage of the alternating current of input electric terminal and current strength.
Concrete, in above-mentioned power supply parameter configuration step: maximum convertible amount is fed back to battery management system by conversion equipment, after battery management system confirms, conversion equipment prepares to carry out electric power conversion.Fig. 4 is a flow chart of power supply parameter configuration step of the present invention, detailed power supply parameter configuration step please refer to Fig. 4, also comprise a step of conversion equipment and conversion equipment maximum output parameter synchronous to BMS transmitting time in Fig. 4, wherein the maximum output parameter of conversion equipment comprises voltage and the maximum current intensity of the maximum alternating current inputting electric terminal.
Concrete, in above-mentioned energizing step: battery management system detects accumulator battery voltage, batteries temperature, batteries dump energy in real time; When accumulator battery voltage exceed predetermined voltage range or batteries temperature exceed predetermined temperature range or batteries dump energy exceed electricity scope time, power supply stops; Conversion equipment detects the current strength of input electric terminal alternating current in real time, and when current strength exceeds scheduled current strength range, power supply stops.When accumulator battery voltage is in predetermined voltage range and batteries temperature is in predetermined temperature range and batteries dump energy is in predetermined electricity scope, and when current strength is in scheduled current strength range, restore electricity.Fig. 5 is a flow chart of energizing step of the present invention, and detailed energizing step please refer to Fig. 5.In Figure 5, batteries powers rank needs for adjusting the galvanic size of batteries output.
Fig. 6 is that the present invention powers a flow chart of end step, and detailed power supply end step please refer to Fig. 6.The step that BMS records power supply process parameter and batteries parameter current and conversion equipment recording process parameter is also comprised in Fig. 6.
The present invention also provides a kind of DC power-supply system, and for providing for electric terminal when mains-supplied stops or be not enough or making up described mains-supplied, this system comprises:
Power pack, comprises one or more batteries, and described batteries is used for providing galvanic output;
Power converting section, is connected with described power pack, for the direct current provided by described batteries is converted to alternating current; And
Hop, is connected with described power converting section, for by described alternating current transmission to electric terminal.
Described power pack also comprises battery management system, for collecting the batteries dump energy of batteries.
Described power converting section comprises the conversion equipment be made up of transformer and chopper, and the direct current provided by batteries is converted to the alternating current being applicable to electric terminal by described conversion equipment.
Corresponding with said method embodiment, described in native system embodiment, power converting section comprises:
Power supply handshake elements: carry out pairing for making battery management system and conversion equipment and be connected;
Power supply parameter dispensing unit: for making battery management system that the batteries dump energy of batteries is sent to conversion equipment, makes conversion equipment calculate the maximum convertible amount of batteries dump energy and prepare to carry out electric power conversion;
Power supply unit: carry out electric power conversion for making conversion equipment;
Power supply end unit: for when electric power conversion amount reaches maximum convertible amount, make power delivery termination.
Fig. 2 is the connection diagram of conversion equipment of the present invention and battery management system, as shown in Figure 2, conversion equipment and battery management system are interconnected by CAN network, conversion equipment comprises transformer and chopper, battery management system comprises battery control module, described battery control module is for detecting the messages such as accumulator battery voltage, batteries temperature, batteries dump energy, and wherein CAN network is the abbreviation of controller local area network (ControllerAreaNetwork).
DC power-supply system of the present invention in use, can be selected the accumulators group charging when low power consumption, and be discharged by batteries when peak of power consumption, realize the stabilisation of social electric power system thus; Transfer from direct current the electric power that batteries exports to interchange by conversion equipment, access domestic electric network is reached for the object of electricity consumption interruption of power supply.
The present invention is based on following design: the present invention utilizes electric motor car to fill interface soon and battery management system (BATTERYMANAGEMENTSYSTEM is called for short BMS) sets up communication, makes the adhesive of batteries main relay fill interface soon thus externally export DC high-voltage.Transformer simultaneously in conversion equipment and chopper are converted to the civilian electricity of 220V-50HZ to high voltage direct current, for household electrical appliance or input electrical network.
Described from above-mentioned, the embodiment of the present invention has following advantage:
1) direct current that batteries of the present invention provides is converted to alternating current through power converting section, and described alternating current transmission to electric terminal, thus provides for electric terminal when mains-supplied stops or be not enough or makes up mains-supplied by hop.
2) the batteries dump energy of batteries is sent to conversion equipment by battery management system of the present invention, conversion equipment calculates the maximum convertible amount of batteries dump energy and prepares to carry out electric power conversion, thus ensure that the stability of electric terminal institute received current.
3) batteries of the present invention belongs to electric motor car, and batteries can provide power for electric motor car on the one hand, can provide for electric terminal or make up mains-supplied on the other hand when mains-supplied stops or be not enough.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a DC power-supply system, is characterized in that, for providing power supply when mains-supplied stops or be not enough for electric terminal or making up described mains-supplied, this system comprises:
Power pack, comprises one or more batteries, and described batteries is used for providing galvanic output;
Power converting section, is connected with described power pack, for the direct current provided by described batteries is converted to alternating current; And
Hop, is connected with described power converting section, for by described alternating current transmission to electric terminal;
Described power converting section comprises:
Power supply handshake elements: carry out pairing for making battery management system with the conversion equipment be made up of transformer and chopper and be connected, the direct current provided by batteries is converted to the alternating current being applicable to electric terminal by described conversion equipment, conversion equipment sends conversion equipment identification message to battery management system, battery management system sends batteries identity coding message to conversion equipment, if identification message and batteries identity coding message are all correct, conversion equipment and battery management system match successful connection, otherwise pairing connects unsuccessful, when described battery management system exceed the pairing connect hours do not receive described conversion equipment to its described conversion equipment identification message sent or described conversion equipment exceed the connect hours do not receive the described batteries identity coding message that described battery management system sends to it time, send pairing and connect overtime alarm,
Power supply parameter dispensing unit: for making battery management system that the batteries dump energy of batteries is sent to conversion equipment, makes conversion equipment calculate the maximum convertible amount of batteries dump energy and prepare to carry out electric power conversion;
Power supply unit: carry out electric power conversion for making conversion equipment;
Power supply end unit: for when electric power conversion amount reaches maximum convertible amount, make power delivery termination.
2. system according to claim 1, is characterized in that, described power pack also comprises:
Battery management system, for collecting the batteries dump energy of batteries.
3. system according to claim 1, is characterized in that, described batteries is the batteries of electric motor car.
4. a direct current supply method, is characterized in that, for providing power supply when mains-supplied stops or be not enough for electric terminal or making up described mains-supplied, the method comprises the following steps:
Power pack provides galvanic output;
The direct current provided by batteries is converted to alternating current by power converting section; And
Hop by alternating current transmission to electric terminal;
Described power converting section performs following steps:
Power supply handshake steps: battery management system carries out pairing with the conversion equipment be made up of transformer and chopper and is connected; The direct current provided by batteries is converted to the alternating current being applicable to electric terminal by described conversion equipment;
Power supply parameter configuration step: the batteries dump energy of batteries is sent to conversion equipment by battery management system, conversion equipment calculates the maximum convertible amount of batteries dump energy and prepares to carry out electric power conversion;
Energizing step: conversion equipment carries out electric power conversion;
Power supply end step: when electric power conversion amount reaches maximum convertible amount, power delivery termination;
In above-mentioned power supply handshake steps, conversion equipment sends conversion equipment identification message to battery management system, battery management system sends batteries identity coding message to conversion equipment, if identification message and batteries identity coding message are all correct, conversion equipment and battery management system match successful connection, otherwise pairing connects unsuccessful, when described battery management system exceed the pairing connect hours do not receive described conversion equipment to its described conversion equipment identification message sent or described conversion equipment exceed the connect hours do not receive the described batteries identity coding message that described battery management system sends to it time, send pairing and connect overtime alarm.
5. method according to claim 4, is characterized in that,
In above-mentioned power supply parameter configuration step: maximum convertible amount is fed back to battery management system by conversion equipment, after battery management system confirms, conversion equipment prepares to carry out electric power conversion.
6., according to the method one of claim 4-5 Suo Shu, it is characterized in that,
In above-mentioned energizing step: battery management system detects accumulator battery voltage, batteries temperature, batteries dump energy in real time; When accumulator battery voltage exceed predetermined voltage range or batteries temperature exceed predetermined temperature range or batteries dump energy exceed predetermined electricity scope time, power supply stops;
Conversion equipment detects the current strength of input electric terminal alternating current in real time, and when current strength exceeds scheduled current strength range, power supply stops;
When accumulator battery voltage is in predetermined voltage range and batteries temperature is in predetermined temperature range and batteries dump energy is in predetermined electricity scope, and when current strength is in scheduled current strength range, restore electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062066.9A CN103199610B (en) | 2013-02-27 | 2013-02-27 | A kind of DC power-supply system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062066.9A CN103199610B (en) | 2013-02-27 | 2013-02-27 | A kind of DC power-supply system and method |
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| Publication Number | Publication Date |
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| CN103199610A CN103199610A (en) | 2013-07-10 |
| CN103199610B true CN103199610B (en) | 2015-12-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478876U (en) * | 2009-09-01 | 2010-05-19 | 青岛经济技术开发区创统科技发展有限公司 | Power supply device saving power for elevator |
| CN201985578U (en) * | 2011-03-10 | 2011-09-21 | 多氟多（焦作）新能源科技有限公司 | Wind and light complement mobile emergency power supply system |
| CN102545307A (en) * | 2010-10-13 | 2012-07-04 | 菲尼克斯电气公司 | Accumulator control device and method and system for electric auxiliary supply |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007325475A (en) * | 2006-06-05 | 2007-12-13 | Joy World Pacific:Kk | Uninterruptible power supply structure, and side table incorporating it or like |
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- 2013-02-27 CN CN201310062066.9A patent/CN103199610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478876U (en) * | 2009-09-01 | 2010-05-19 | 青岛经济技术开发区创统科技发展有限公司 | Power supply device saving power for elevator |
| CN102545307A (en) * | 2010-10-13 | 2012-07-04 | 菲尼克斯电气公司 | Accumulator control device and method and system for electric auxiliary supply |
| CN201985578U (en) * | 2011-03-10 | 2011-09-21 | 多氟多（焦作）新能源科技有限公司 | Wind and light complement mobile emergency power supply system |
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| CN103199610A (en) | 2013-07-10 |
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Effective date of registration: 20190328 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
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