CN102832813B - A kind of bidirectional charger internal main electric component arrangement used for electric vehicle - Google Patents
A kind of bidirectional charger internal main electric component arrangement used for electric vehicle Download PDFInfo
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- CN102832813B CN102832813B CN201210352446.1A CN201210352446A CN102832813B CN 102832813 B CN102832813 B CN 102832813B CN 201210352446 A CN201210352446 A CN 201210352446A CN 102832813 B CN102832813 B CN 102832813B
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- median septum
- bidirectional charger
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Abstract
The invention discloses a kind of arrangement of bidirectional charger internal main electric component used for electric vehicle, described main electric component comprises radiator, control circuit module, power component IGBT and magnetic element, arrangement of the present invention take median septum as boundary, bidirectional charger casing is divided into upper and lower two chambeies, casing and median septum weld together; Median septum digs a hole and sinks to radiator, make the substrate of radiator at epicoele, fin, at cavity of resorption, posts sealing strip between the hole of median septum and radiator; Described casing epicoele is divided into two-layer, and described control circuit module arrangement is on upper strata, and lower floor is furnished with power component IGBT; Described magnetic element is arranged on the cavity of resorption of casing, and described casing cavity of resorption has ventilating opening.The excellent sealing of feature of the present invention mainly between power component IGBT and the external world, the capability of electromagnetic shielding of magnetic element and control circuit module, has processed the problem that power component and magnetic element dispel the heat simultaneously very well.
Description
Technical field
The present invention relates to bidirectional charger used for electric vehicle, be specifically related to a kind of arrangement of bidirectional charger internal main electric component used for electric vehicle, each electric component reasonably arranged by bidirectional charger casing, make bidirectional charger closure better, heat dispersion is better, and solves the electromagnetic shielding problem between element.
Background technology
Bidirectional charger used for electric vehicle belongs to current transformer product, its major electrical components comprises magnetic element, radiator, power component IGBT and control circuit, its main circuit structure as shown in Figure 1, concrete principle is when control signal requires circuit operating pattern to be decompression mode, high-pressure side is as input, low-pressure end, as output, by the conducting duty ratio of control Q1, Q2, controls the size of output voltage electric current.When control signal requires circuit operating pattern to be boost mode, low-pressure end is as input, and high-pressure side, as output, by the conducting duty ratio of control Q3, Q4, controls the size of output voltage electric current.
Magnetic element, radiator, power component (IGBT) and control circuit, in internal structure layout, are generally arranged in a cabinet space, casing are installed blower fan and offers inlet and outlet by bidirectional charger in the market.A lot of dust can be made like this to enter casing by inlet and outlet, affect the service behaviour of power component (IGBT) and control circuit.And magnetic element forms very large electromagnetic interference to control circuit, affects the normal work of equipment.
Therefore be necessary a kind of reasonably arrangement of design, make bidirectional charger closure better, heat dispersion is better, and solves the electromagnetic shielding problem between element.Through preliminary search, do not have to find the public technology scheme identical or similar with the present invention.
Summary of the invention
Arrange for existing bidirectional charger internal structure unreasonablely cause that its closure is poor, heat dispersion is poor, electromagnetic interference is large between element shortcoming, the invention provides a kind of arrangement of bidirectional charger internal main electric component used for electric vehicle, the two-way generator carrying out electric component layout according to this arrangement has good closure, thermal diffusivity, and the electromagnetic interference between electric component is less.
The technical solution used in the present invention is:
A kind of arrangement of bidirectional charger internal main electric component used for electric vehicle, described main electric component comprises radiator, control circuit module, power component IGBT and magnetic element, arrangement of the present invention take median septum as boundary, bidirectional charger casing is divided into upper and lower two chambeies, casing and median septum weld together; Median septum digs a hole and sinks to radiator, make the substrate of radiator at epicoele, fin, at cavity of resorption, posts sealing strip between median septum and radiator; Median septum digs a hole and sinks to radiator, make the substrate of radiator at epicoele, fin is at cavity of resorption; Described casing epicoele is divided into two-layer, and described control circuit module arrangement is on upper strata, and lower floor is furnished with power component IGBT; Described magnetic element is arranged on the cavity of resorption of casing, and described casing cavity of resorption has ventilating opening.
Further, described power component IGBT is arranged on the substrate of described radiator, described substrate uniform application heat conductive silica gel, and described power component IGBT is close to described heat conductive silica gel and installs.
Further, the ventilating opening of described casing cavity of resorption comprises fresh air inlet and exhaust vent, below described heat radiator fin, radiator fan is housed, the position of described air inlet faces described radiator fan, described magnetic element is arranged on air outlet place, heat radiation order is magnetic element after first radiator, makes the power component IGBT on radiator reach best radiating effect.
Further, the ventilation hole on described cavity of resorption casing is bar shaped ventilation hole, and the orientation of bar shaped ventilation hole is consistent with the orientation of heat radiator fin, can reduce windage, ensures that air-out is smooth and easy.
Further, described median septum is provided with cable clip, and the cable between upper and lower cavity is all connected by cable clip, prevent dust from entering work that casing epicoele affects epicoele electric component.
Further, the sealing strip between described median septum and radiator comprises rubber layer and wire netting, and described wire netting is attached on rubber layer, both can prevent dust from entering casing epicoele, serve again the effect of electromagnetic shielding.
Further, the auxiliary electrical element except main electric component is directly installed on casing and median septum.
Further, described casing is provided with the charging socket of bidirectional charger and the aviation socket of connection control circuit module, and described charging socket and the aviation socket air line distance on casing must not be less than 50cm, prevents interference.
Beneficial effect of the present invention is: 1) the present invention adopts subregion to arrange to different electric components, by the power component IGBT that is easily disturbed and control circuit module arrangement in the cavity sealed, and seal with the sealing strip with electromagnetic isolation, process the problem that power component IGBT and magnetic element dispel the heat simultaneously well, there is electro-magnetic screen function simultaneously; 2) compared with existing product structure, structure of the present invention is compacter, and the sealing effectiveness of epicoele is fine, and degree of protection reaches IP54, equipment is run more reliable.
Result of use: the present invention is after loading operation, and charger epicoele only has a small amount of dust to enter, and does not affect element and normally works, during inductance and IGBT run, maximum temperature is 65 DEG C, and heat radiation is good, and each temperature-sensitive element is working properly; Electromagnetic compatibility aspect, when at car load, other has very large interference component working, charger work all-the-time stable, and the interference signal that other electric equipment that do not have an impact normally works.
Accompanying drawing explanation
Fig. 1 is the structural representation of arrangement of the present invention;
Fig. 2 is the structural representation of the sealing strip between casing of the present invention and median septum;
Embodiment
Set forth the present invention further below in conjunction with the drawings and specific embodiments, it should be pointed out that following embodiment is only and further illustrate technical solution of the present invention use, and any restriction is not done to the present invention.
As shown in Figure 1, a kind of arrangement of bidirectional charger internal main electric component used for electric vehicle, described main electric component comprises radiator 1, control circuit module 2, power component IGBT 3 and magnetic element 4, arrangement of the present invention with median septum 5 for boundary, bidirectional charger casing 6 is divided into upper and lower two chambeies, casing 6 and median septum 5 weld together; Median septum 5 digs a hole and sinks to radiator 1, make the substrate 11 of radiator at epicoele, fin 12, at cavity of resorption, posts sealing strip between median septum 5 and radiator 1; Described casing 6 epicoele is divided into two-layer layout, and described control circuit module 2 is arranged in upper strata, and lower floor is furnished with power component IGBT 3; Described magnetic element 4 is arranged on the cavity of resorption of casing, and described casing 6 cavity of resorption has ventilating opening.Control circuit module, power component IGBT are placed in the space of a relative closure by such layout, and preventing dust from entering affects its work, compare existing arrangement, more scientific and reasonable.
As further execution mode of the present invention, described power component IGBT 3 is arranged on the substrate 11 of described radiator 1, described substrate 11 uniform application heat conductive silica gel, and described power component IGBT 3 is close to described heat conductive silica gel and installs.Main heater power component IGBT is directly installed on radiator, at utmost improves heat dispersion.
As further execution mode of the present invention, the ventilating opening of described casing 6 cavity of resorption comprises fresh air inlet 8 and exhaust vent 9, below described heat radiator fin 12, radiator fan 7 is housed, the position of described air inlet 8 faces described radiator fan 7, described magnetic element 4 is arranged on air outlet 9 place, heat radiation order is magnetic element 4 after first radiator 1, makes the power component IGBT 3 on radiator 1 reach best radiating effect.
As further execution mode of the present invention, the ventilation hole on described cavity of resorption casing 6 is bar shaped ventilation hole, and the orientation of bar shaped ventilation hole is consistent with the orientation of heat radiator fin 12, can reduce windage, ensures that air-out is smooth and easy.
As further execution mode of the present invention, described median septum is provided with cable clip, and the cable between upper and lower cavity is all connected by cable clip, prevent dust from entering work that casing epicoele affects epicoele electric component.
As further execution mode of the present invention, as shown in Figure 2, the sealing strip between described median septum 5 and radiator 1 comprises rubber layer 22 and wire netting 21, and described wire netting 21 is attached on rubber layer 22, both can prevent dust from entering casing 6 epicoele, serve again the effect of electromagnetic shielding.
As further execution mode of the present invention, the auxiliary electrical element except main electric component is directly installed on casing and median septum.
As further execution mode of the present invention, described casing is provided with the charging socket of bidirectional charger and the aviation socket of connection control circuit module, and described charging socket and the aviation socket air line distance on casing must not be less than 50cm, prevents interference.
Above-mentioned execution mode is only and further illustrates technical solution of the present invention; those of ordinary skill in the art do not depart from do under essence of the present invention and technology enlightenment do not have novelty and creationary distortion and a retouching; all should be considered as within protection scope of the present invention, protection scope of the present invention is specifically depending on its claims.
Claims (6)
1. the arrangement of a bidirectional charger internal main electric component used for electric vehicle, described main electric component comprises radiator, control circuit module, power component IGBT and magnetic element, it is characterized in that, this arrangement take median septum as boundary, bidirectional charger casing is divided into upper and lower two chambeies, casing and median septum weld together; Median septum digs a hole and sinks to radiator, make the substrate of radiator at epicoele, fin, at cavity of resorption, posts sealing strip between the hole of median septum and radiator; Described casing epicoele is divided into two-layer, and described control circuit module arrangement is on upper strata, and lower floor is furnished with power component IGBT; Described magnetic element is arranged on the cavity of resorption of casing, and described casing cavity of resorption has ventilating opening; The ventilating opening of described casing cavity of resorption comprises fresh air inlet and exhaust vent, below described heat radiator fin, radiator fan is housed, and the position of described air inlet faces described radiator fan, and described magnetic element is arranged on air outlet place; Ventilation hole on described cavity of resorption casing is bar shaped ventilation hole, and the orientation of bar shaped ventilation hole is consistent with the orientation of heat radiator fin.
2. the arrangement of a kind of bidirectional charger internal main electric component used for electric vehicle according to claim 1, it is characterized in that, described power component IGBT is arranged on the substrate of described radiator, described substrate uniform application heat conductive silica gel, described power component IGBT is close to described heat conductive silica gel and installs.
3. the arrangement of a kind of bidirectional charger internal main electric component used for electric vehicle according to claim 2, it is characterized in that, described median septum is provided with cable clip, and the cable between upper and lower cavity is all connected by cable clip.
4. the arrangement of a kind of bidirectional charger internal main electric component used for electric vehicle according to claim 3, it is characterized in that, the sealing strip between described casing and median septum comprises rubber layer and wire netting, and described wire netting is attached on rubber layer.
5. the arrangement of a kind of bidirectional charger internal main electric component used for electric vehicle according to claim 4, it is characterized in that, the auxiliary electrical element except main electric component is directly installed on casing and median septum.
6. the arrangement of a kind of bidirectional charger internal main electric component used for electric vehicle according to claim 5, it is characterized in that, described casing is provided with the charging socket of bidirectional charger and the aviation socket of connection control circuit module, and described charging socket and the aviation socket air line distance on casing must not be less than 50cm.
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| CN201210352446.1A CN102832813B (en) | 2012-09-21 | 2012-09-21 | A kind of bidirectional charger internal main electric component arrangement used for electric vehicle |
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| CN201210352446.1A CN102832813B (en) | 2012-09-21 | 2012-09-21 | A kind of bidirectional charger internal main electric component arrangement used for electric vehicle |
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| CN102832813B true CN102832813B (en) | 2015-08-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105446209B (en) * | 2015-09-21 | 2018-06-29 | 深圳市科泰新能源车用空调技术有限公司 | automation equipment control module |
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| CN105677947A (en) * | 2015-12-31 | 2016-06-15 | 清华大学苏州汽车研究院（吴江） | Method for testing heat dissipation of heat sink of electric vehicle motor controller |
| CN106231879A (en) * | 2016-09-14 | 2016-12-14 | 绵阳富邦电控设备有限公司 | A kind of high frequency charging module being prone to heat radiation |
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| CN108365663A (en) * | 2018-04-04 | 2018-08-03 | 苏州市万松电气有限公司 | Charger |
| CN108336797A (en) * | 2018-04-04 | 2018-07-27 | 苏州市万松电气有限公司 | open charger |
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Inventor after: Guo Shuying Inventor after: Gao Suxin Inventor after: Yan Yanmao Inventor after: Mao Yiping Inventor after: Peng Zaiwu Inventor before: Gao Suxin Inventor before: Yan Yanmao Inventor before: Mao Yiping Inventor before: Peng Zaiwu |
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Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhongche Times Electric Vehicle Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CSR TIMES ELECTRIC VEHICLE Co.,Ltd. |
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Effective date of registration: 20200619 Address after: 410000 testing workshop 3-102, - 103, 105, 106, building C-4 to building C-8, Huigu science and Technology Industrial Park, No. 336, bachelor Road, Yuelu District, Changsha City, Hunan Province Patentee after: Changsha CRRC Zhiyu New Energy Technology Co.,Ltd. Address before: 412007 fifty-seven zone, chestnut rain Industrial Zone, national hi tech Development Zone, Tianyuan District, Hunan, Zhuzhou Patentee before: Zhongche Times Electric Vehicle Co.,Ltd. |