CN101976877B - Concentrated direct-current power supply skid-mounted electric automobile charging house - Google Patents
Concentrated direct-current power supply skid-mounted electric automobile charging house Download PDFInfo
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- CN101976877B CN101976877B CN2010105062063A CN201010506206A CN101976877B CN 101976877 B CN101976877 B CN 101976877B CN 2010105062063 A CN2010105062063 A CN 2010105062063A CN 201010506206 A CN201010506206 A CN 201010506206A CN 101976877 B CN101976877 B CN 101976877B
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Abstract
The invention discloses a concentrated direct-current power supply skid-mounted electric automobile charging device. A solid insulating ring network cabinet is arranged in a high-voltage chamber; a dry transformer is arranged in a transformer chamber; a low-voltage switch cabinet, a monitoring cabinet, an AFE (analog front end) and a charger are arranged in a low-voltage distribution chamber; a hoisting hanging point is formed at the bottom of a charging house; a grounding copper bar is arranged at the bottom of the charging house; an air-conditioning outdoor unit chamber is arranged above the transformer chamber and used for assembling an air-conditioning outdoor unit; and the outer wall of the charging house is provided with wire inlet and outlet holes. The device has the advantages of concentrated rectification, dispersed direct-current power supply, direct supply of direct-current power supply to multiple chargers after the alternating current is converted into direct current by adopting rectification of the AFE, high power factor, low current harmonic content, no influence on power quality of a power grid, capability of directly connecting the electrical energy generated by new energy generating equipment of solar energy, wind energy and the like to a direct-current bus, small volume and high protection level due to the use of a skid-mounted house body, integral field assembly, convenience for transportation, and waterproof, fireproof and wind-sand resistant properties of the house body.
Description
Technical field
The invention belongs to the charging electric vehicle energy field, particularly a kind of concentrated direct current supply skid-mounted type charging device of electric automobile.
Technical background
Along with the progress of society, the quantity of automobile is increasing sharply, and meanwhile, the consumption of oil brings a series of problems such as energy shortage, environmental pollution, rise of the oil price thus also in rapid increase.The development electric automobile uses clean energy resource, and electric automobile is being advocated, promoted to effective problems such as energy shortage and serious and environmental pollution therefore nationally energetically.And an important bottleneck the promoting electric automobile problem of charging exactly, electric automobile charging station is built in state plan for this reason, and carries out pilot work in some important cities.
The subject matter that is faced at the urban construction charging station has: the pollution that floor space, construction period, electrical network dilatation and charging station cause electrical network.
Summary of the invention
The object of the present invention is to provide a kind of concentrated direct current supply skid-mounted type charging electric vehicle room, it utilizes AFE that alternating current is transformed to direct current, for many chargers provide DC power supply; Charging room integral installation, the site operation amount is little, and has the characteristics of waterproof, fire prevention, anti-dust storm.
The major technique characteristics of the AFE that is adopted among the present invention (controlled rectification front end) are following:
1, AFE adopts the IGBT power component; Main circuit structure is identical with frequency converter; Can alternating current be converted into direct current uses to frequency converter; Also can direct current be converted into the alternating current feedback grid,, make common frequency converter be converted into the four quadrant running frequency converter so can the dc bus of many frequency converters be parallel to the dc output end of AFE;
2, because the operating mode of each frequency converter is different, and the frequency converter that has is in on-position, the frequency converter that has is in traction state; Therefore behind the common dc bus; Electric energy is exchanged between different frequency converters, and all right feedback grid of exhaustless energy greatly reduces the components and parts loss like this; Improve efficient, can play remarkable energy saving effect;
3, simultaneously, the power factor of AFE ac input end can reach 0.99, and current harmonic content is lower than 3%, and electrical network is not caused any pollution, also just need not re-use reactive power compensation and filter, has simplified the design of power supply-distribution system greatly, has reduced cost.
Technical scheme of the present invention is:
A kind of concentrated direct current supply skid-mounted type charging electric vehicle room, it is characterized in that: the AFE that will in transmission field, use (controlled rectification front end) is applied to the room that charges, and the charging room comprises: skid room body, power supply-distribution system, charging system, supervisory control system; Direct current kilsyth basalt, indoor apparatus of air conditioner, thermostat, thermohygrometer, heater, lighting installation; Wherein,
Described power supply-distribution system, it comprises: solid ring main unit, low-voltage distribution cabinet, transformer, metering and billing device, AFE (controlled rectification front end) harmonic monitoring equipment;
Described low-voltage distribution cabinet is given AFE (controlled rectification front end) input AC electricity, and AFE is transformed to direct current with alternating current, through dc bus, DC power supply is provided directly for each charger;
The present invention can be directly connected to the DC/DC converter that solar power generation is used on the dc bus of AFE, need not to use combining inverter just can the electric energy that solar panel produces be sent into electrical network;
Described charging system, it comprises: charging pile, high pressure charging electric meter, charger, user interface;
In described charging system, adopt the charger of DC-to-dc (DC/DC) type, also can adopt the charger of AC-DC (AC/DC) type, the charger front end need not reactor;
Described supervisory control system, it comprises: distribution monitor, charging monitoring, fire protection warning, video monitoring devices.
Reactive power compensation and filter need not installed in the charging room, and the current harmonic content that just can make the dry-type transformer low-pressure side is less than 5%, and power factor is greater than 0.95.
A kind of skid-mounted type charging electric vehicle room is provided with the solid insulation ring main unit in the hyperbaric chamber; In the transformer room, be provided with dry-type transformer; In the low-voltage distribution chamber, be provided with low-tension switch cabinet, monitoring cabinet, AFE (controlled rectification front end), charger; Be provided with the lifting hanging point in bottom, skid charging room; And also be provided with the ground connection copper bar in bottom, skid charging room; It above the transformer room air-conditioner outdoor unit chamber; In the air-conditioner outdoor unit chamber, be provided with air-conditioner outdoor unit; On skid charging room exterior wall, be provided with into wire hole.
Wherein, the main body of described skid room body is a steel skeleton, the outside all-metal construction that adopts, and compact conformation, frame strength is high, and barrier propterty is good; Skeleton all adopts welded steel structure, guarantees that safety lifts and drags, and is provided with lifting sign and center of gravity sign; In room body inner frame, fill rock wool, strengthened the heat-insulating property in room;
The bottom of described skid room body is provided with cable interlayer; The room body can whole lift from the bottom;
The base of described skid room body, main longitudinal grider and crossbeam adopt I-steel, and frame adopts channel-section steel, and skeleton four corner posts adopt the square tube column, and the ceiling frame adopts channel-section steel to make, and intermediate supports adopts the band iron section bar; Bottom adopts the weldering of hot rolled steel plate section, and the intermediate layer adopts rock wool to fill insulation;
The base appearance of described skid room body is all done preservative treatment; And do waterproofing design, direct outdoor use; The normal down operation of-30 ℃～+ 50 ℃ environment;
The ground connection copper bar is arranged around the housing base of described skid room body;
The body of wall of described skid room body, exterior wall adopt colds pressing corrugated sheet or adopts the plain plate full weld and weld with steel skeleton; Interior wall adopts rock wool to fill insulation, and inner trim panels is the wire drawing panel;
The roof of described skid room body, it is outer to adopt steel plate to do, and the roof design has certain gradient, and is provided with rhone around on the roof, from the directed draining of the column at four angles;
The cable of described skid room body advances wire hole and is distributed on body both sides, room or a side, adopts the fireproof cable seal, has functions such as anticorrosion, fire prevention, sand prevention, shockproof, leakproof, insulation, the internal configurations air-conditioning;
Be provided with the temperature detection controller in the described skid room body, the temperature in the room is carried out effective monitoring;
Be provided with smoke-detectors in the described skid room body, the smog in the room is effectively monitored and reported to the police;
Be provided with the lighting of enough brightness in the described skid room body, and be provided with emergency light;
In described skid room body, be provided with antitheft door; And on antitheft door, be provided with escape lock;
On the external wall in described skid room, be provided with plug-in folding cat ladder, be convenient to clear up the deposit on roof;
Between hyperbaric chamber and low-pressure chamber, be provided with a wicket, operating personnel can get into the hyperbaric chamber from low-pressure chamber.
Skid-mounted type charging electric vehicle of the present invention room can use new forms of energy such as solar energy, wind energy.
The invention has the advantages that: concentrate rectification, disperse direct current supply: adopt controlled rectification front end (AFE) to carry out rectification, alternating current is transformed into direct current after, for many chargers directly provide DC power supply; Use skid room body, volume is little, and degree of protection is high; Whole on-the-spot the installation, convenient and swift; Be convenient to transportation; Engineering time is short; Power factor is high, current harmonic content is low, does not influence the quality of power supply of electrical network; Can the electric energy that generation of electricity by new energy equipment such as solar energy, wind energy produce be inserted dc bus; Room body waterproof, fire prevention, anti-dust storm.
Description of drawings
Fig. 1 concentrates the system block diagram in direct current supply skid-mounted type charging electric vehicle room for the present invention;
Fig. 2 is for concentrating the structural plan figure in direct current supply skid-mounted type charging electric vehicle room;
Fig. 3 is for concentrating the 3 d effect graph in direct current supply skid-mounted type charging electric vehicle room;
Fig. 4 is for concentrating the electric circuit diagram in direct current supply skid-mounted type charging electric vehicle room.
Label is among the figure:
The 1-hyperbaric chamber; The 2-transformer room; The 3-low-pressure chamber; 4-air-conditioner outdoor unit chamber;
Wicket between 5-low-pressure chamber and the hyperbaric chamber; 6-solid insulation ring main unit;
7-controlled rectification front end (AFE); The 81-low-tension switch cabinet; The 82-low-tension switch cabinet;
The 10-monitoring cabinet; The 111-charger; The 112-charger; The 13-air-conditioner outdoor unit;
The 14-cat ladder; 151-lifts hanging point 1; 152-lifts hanging point 2; 153-lifts hanging point 3;
154-lifts hanging point 4; 16-ground connection copper bar; 17-cable turnover line; The 18-dry-type transformer;
The 19-indoor apparatus of air conditioner;
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further.As shown in Figure 1, the present invention mainly is made up of three parts: power supply-distribution system, charging system, supervisory control system.Wherein, the equipment in the power supply-distribution system comprises: solid ring main unit, low-voltage distribution cabinet, transformer, metering and billing device, AFE harmonic monitoring equipment; Equipment in the charging system comprises: charging pile, charger, charge system, user interface; Equipment in the supervisory control system comprises: distribution monitor, charging monitoring, fire protection warning, video monitoring device.
The said equipment all is installed in skid-mounted type charging electric vehicle of the present invention within doors, and floor plan is as shown in Figure 2; 3 dimensional drawing of the present invention is as shown in Figure 3.In hyperbaric chamber 1, be provided with solid insulation ring main unit 6; In transformer room 2, be provided with dry-type transformer 18; In low-pressure chamber 3, be provided with low-tension switch cabinet 81, low-tension switch cabinet 82, monitoring cabinet 10, active rectification front end (AFE) 7, charger 112, charger 111; Be provided with four lifting hanging points 151,152,153,154 in bottom, skid charging room; And also be provided with four grounded copper bar 16 in bottom, skid charging room; It above transformer room 2 air-conditioner outdoor unit chamber 4; In air-conditioner outdoor unit chamber 4, be provided with air-conditioner outdoor unit 13; On skid charging room exterior wall, be provided with plug-in folding cat ladder 14; On skid charging room exterior wall, be provided with into wire hole 17.
The electric connecting relation of capital equipment is as shown in Figure 4 among the present invention.The 10kV cable of medium voltage network is connected in the solid insulation ring main unit 6 in hyperbaric chamber 1; Be connected to the dry-type transformer 18 that is arranged in transformer room 2 from solid insulation ring main unit 6 again; Through after the step-down of dry-type transformer 18, output 380V voltage is connected in the low-tension switch cabinet 81; Be connected to controlled rectification front end (AFE) 7 from the 380V power supply of low- tension switch cabinet 81,82 outputs; It is direct current that controlled rectification front end (AFE) 7 concentrates rectification to alternating current, sends in the low-tension switch cabinet 82.Solid insulation ring main unit 6, dry-type transformer 18 play the power transformation effect; Low- tension switch cabinet 81,82 plays the distribution effect.Direct current after over-allocation, directly provides DC power supply to use for power consumption equipment in low-tension switch cabinet 82, and main power consumption equipment has charger 111,112; Can also expand power consumption equipments such as other chargers of connection and energy-storage battery cabinet, solar power plant again.
Claims (10)
1. concentrated direct current supply skid-mounted type charging electric vehicle room, it is characterized in that: it comprises: skid room body, power supply-distribution system, charging system, supervisory control system; Direct current kilsyth basalt, indoor apparatus of air conditioner, thermostat, thermohygrometer, heater, lighting installation; Wherein,
Described power supply-distribution system, it comprises: solid insulation ring main unit, low-voltage distribution cabinet, transformer, metering and billing device, AFE harmonic monitoring equipment;
Described low-voltage distribution cabinet is given AFE input AC electricity, and AFE is transformed to direct current with alternating current, through dc bus, DC power supply is provided directly for each charger;
Described charging system, it comprises: charging pile, high pressure charging electric meter, charger, user interface;
In described charging system, adopt the charger of DC/DC type or the charger of employing AC/DC type, the charger front end need not reactor;
Described supervisory control system, it comprises: distribution monitor, charging monitoring, fire protection warning, video monitoring devices.
2. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: on the dc bus of AFE, directly be connected with the DC/DC converter that solar power generation is used.
3. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: the charging room need not to install reactive power compensation and filter, and the current harmonic content that can make the dry-type transformer low-pressure side is less than 5%, and power factor is greater than 0.95.
4. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: in the hyperbaric chamber, be provided with the solid insulation ring main unit; In the transformer room, be provided with dry-type transformer; In the low-voltage distribution chamber, be provided with low-tension switch cabinet, monitoring cabinet, AFE, charger; Be provided with the lifting hanging point in bottom, skid charging room; And be provided with the ground connection copper bar in bottom, skid charging room; The air-conditioner outdoor unit chamber is set above the transformer room; In the air-conditioner outdoor unit chamber, be provided with air-conditioner outdoor unit; On skid charging room exterior wall, be provided with into wire hole.
5. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room, it is characterized in that: the main body of described skid room body is a steel skeleton, the outside all-metal construction that adopts, frame strength is high, and barrier propterty is good; Skeleton all adopts welded steel structure, guarantees that safety lifts and drags, and is provided with lifting sign and center of gravity sign; In room body inner frame, fill rock wool, strengthened the heat-insulating property in room;
The bottom of described skid room body is provided with cable interlayer; The room body can whole lift from the bottom;
The base of described skid room body, main longitudinal grider and crossbeam adopt I-steel, and frame adopts channel-section steel, and skeleton four corner posts adopt the square tube column, and the ceiling frame adopts channel-section steel to make, and intermediate supports adopts the band iron section bar; Bottom adopts the weldering of hot rolled steel plate section, and the intermediate layer adopts rock wool to fill insulation;
The housing base of body is provided with the ground connection copper bar in described skid room.
6. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room, it is characterized in that: the base appearance of described skid room body is done preservative treatment; And do waterproofing design, direct outdoor use; The normal down operation of-30 ℃～+ 50 ℃ environment.
7. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: the body of wall of described skid room body, exterior wall adopt colds pressing corrugated sheet or adopts plain plate and weld with steel skeleton; Adopt rock wool to fill insulation within the walls; The roof of described skid room body, it is outer to adopt steel plate to do, and the roof is provided with certain gradient, and is provided with rhone around on the roof, from the directed draining of the column at four angles.
8. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room; It is characterized in that: the cable of described skid room body advances wire hole and is distributed on body both sides, room or a side; Adopt the fireproof cable seal; Function with anticorrosion, fire prevention, sand prevention, shockproof, leakproof, insulation, the internal configurations air-conditioning.
9. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: be provided with the temperature detection controller in the described skid room body, the temperature in the room is carried out effective monitoring; Be provided with smoke-detectors in the described skid room body, the smog in the room is effectively monitored and reported to the police.
10. concentrated direct current supply skid-mounted type charging electric vehicle according to claim 1 room is characterized in that: be provided with the lighting of enough brightness in the described skid room body, and be provided with emergency light; On the external wall in described skid room, be provided with plug-in folding cat ladder; In described skid room body, be provided with antitheft door; And on antitheft door, be provided with escape lock; Between hyperbaric chamber and low-pressure chamber, be provided with a wicket.
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| CN2010105062063A CN101976877B (en) | 2010-10-09 | 2010-10-09 | Concentrated direct-current power supply skid-mounted electric automobile charging house |
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| CN102222959A (en) * | 2011-06-21 | 2011-10-19 | 珠海银通新动力科技有限公司 | Charging station |
| CN102227089A (en) * | 2011-06-21 | 2011-10-26 | 珠海银通新动力科技有限公司 | Charging cabinet |
| CN102611172B (en) * | 2012-02-08 | 2015-06-10 | 广东电网公司 | Standard design of electric automobile charging facility |
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| CN104394607B (en) * | 2014-11-20 | 2016-01-20 | 国家电网公司 | The far infrared heating system of the outdoor charger of electric automobile and control method thereof |
| CN104967037A (en) * | 2015-06-30 | 2015-10-07 | 海鸿电气有限公司 | Intelligent prefabricated substation for bus charging |
| CN105680535A (en) * | 2016-04-21 | 2016-06-15 | 姜守强 | New energy electric automobile flood-preventing charging station |
| CN108336667B (en) * | 2016-10-09 | 2019-12-17 | 广东电网有限责任公司肇庆供电局 | electric power waterproof sealing ammeter block terminal |
| CN108011385A (en) * | 2016-10-31 | 2018-05-08 | 西安特锐德智能充电科技有限公司 | A kind of light stores up charge and discharge system |
| CN106505704A (en) * | 2016-12-09 | 2017-03-15 | 深圳市安和威电力科技股份有限公司 | A kind of IGBT chargers of multiple gun structure |
| CN108736553A (en) * | 2018-07-11 | 2018-11-02 | 南京国信能源有限公司 | Mobile high-low pressure charging station |
| CN108898784A (en) * | 2018-08-02 | 2018-11-27 | 泸州能源投资有限公司 | Multinode charging heap communication system based on EC20 |
| CN110884375B (en) * | 2019-12-03 | 2020-12-22 | 福建百城新能源科技有限公司 | Intelligent emergency safety protection system and method for storage and charging system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877952A (en) * | 2005-06-10 | 2006-12-13 | 北京机电研究所 | Electric automobile charging station |
| CN201181852Y (en) * | 2008-04-14 | 2009-01-14 | 荣及峰 | Chamber type charging station for electric car |
| CN101640434A (en) * | 2008-08-01 | 2010-02-03 | 新奥科技发展有限公司 | Photovoltaic parallel grid charging system for electric car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150259B (en) * | 2006-09-18 | 2010-05-12 | 比亚迪股份有限公司 | Electric car charging system |
-
2010
- 2010-10-09 CN CN2010105062063A patent/CN101976877B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877952A (en) * | 2005-06-10 | 2006-12-13 | 北京机电研究所 | Electric automobile charging station |
| CN201181852Y (en) * | 2008-04-14 | 2009-01-14 | 荣及峰 | Chamber type charging station for electric car |
| CN101640434A (en) * | 2008-08-01 | 2010-02-03 | 新奥科技发展有限公司 | Photovoltaic parallel grid charging system for electric car |
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Address after: 102400 Beijing Fangshan District, Chengguan Street, No. 9, Guba Road, 1 District Co-patentee after: Beijing Sinopec Shouke New Energy Technology Co., Ltd. Patentee after: ENGKE TECHNOLOGY CO., LTD. Address before: 102400 Beijing Fangshan District, Chengguan Street, No. 9, Guba Road, 1 District Co-patentee before: Beijing Sinopec Shouke New Energy Technology Co., Ltd. Patentee before: Nancal Energy-Saving Technology Co., Ltd. |
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