CN203553995U - A charging machine - Google Patents
A charging machine Download PDFInfo
- Publication number
- CN203553995U CN203553995U CN201320640452.7U CN201320640452U CN203553995U CN 203553995 U CN203553995 U CN 203553995U CN 201320640452 U CN201320640452 U CN 201320640452U CN 203553995 U CN203553995 U CN 203553995U
- Authority
- CN
- China
- Prior art keywords
- heat
- heater members
- thermal column
- charger
- support
- 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.)
- Expired - Lifetime
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000741 silica gel Substances 0.000 claims abstract description 35
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000009413 insulation Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a charging machine The charging machine comprises a machine base and a top cover installed on the machine base. A first power supply module is installed in a cavity enclosed by the machine base and the top cover. The first power supply module comprises a first substrate and a first heating device installed on the first substrate, wherein a first heat conduction silica gel sheet is disposed between the top portion of the first heating device and the interior surface of the top cover, and a second heat conduction silica gel sheet is disposed between the bottom portion of the first heating device and the bottom surface of the machine base. The charging machine has good waterproof performance, stabilization performance and heat radiation performance.
Description
Technical field
The utility model relates to a kind of electric equipment, especially relates to a kind of for the charger to being arranged on the battery charging in electric motor car.
Background technology
Existing electric motor car is provided with the galvanic battery of supply mostly, for the motor to electric motor car, provides power supply.Because the electric energy of battery storage is limited, therefore need often to battery, to charge to guarantee that battery has sufficient electric weight.Present charging modes is to use civil power to charge to battery mostly, but civil power is the alternating current of 220 volts, and must provide the direct current of voltage, current stabilization to battery charging, so need to be that charger is processed civil power, to obtain the power supply that meets battery charging requirement.
The existing charger being applied in electric motor car is arranged in electric motor car mostly, and charger has a metal housing, and circuit board is installed in housing, and circuit board is provided with a plurality of electronic devices and forms charging circuits.Charging circuit comprises rectification circuit, filter circuit, transforming circuit, voltage stabilizing circuit etc., rectification circuit carries out rectification to the alternating current receiving and processes acquisition direct current, the direct current of filter circuit after to rectification carries out filtering processing, also guarantees galvanic voltage stabilization when filtering out alternating current component.Transforming circuit is for regulating galvanic voltage, and by voltage stabilizing circuit, guarantees DC voltage stable of output.
Owing to being provided with a large amount of electronic devices in charger, during these electronic device work, produce a large amount of heats, wherein most heat is mainly to produce during by the inductor in charger, electric capacity and power tube work, and due to the housing of the charger inhibition that distributed to heat, if heat can not distribute in time, can affect the useful life of electronic device, cause shorten the useful life of charger.Therefore, radiator is also set in charger, radiator is arranged on circuit board, and is positioned at the top of electronic device, and the heat that electronic device produces can be guided to radiator, and by heat sink radiates.In addition,, in order to allow hot-air in charger distribute better, fan is also set on the sidewall of charger conventionally, and on the sidewall relative with fan, louvre is set.
Notification number is that the Chinese utility model patent of CN202405815U discloses the innovation and creation of " charger " by name, with reference to Fig. 1, the structure chart that Fig. 1 is existing charger, charger 1 has housing, housing comprises two sidewalls 15,16, and sidewall 15 is oppositely arranged with sidewall 16.In a side of sidewall 15,11, two fans 11 of two fans are installed and are extractor fan, sidewall 16 is provided with a plurality of louvres 161, and louvre 161 arranges over against fan 11.Between sidewall 15 and sidewall 16, be also provided with circuit board, a plurality of electronic devices are installed on this circuit board, as a plurality of electric capacity 14 and a plurality of inductor 13, this electric capacity and inductance are for rectifying and wave-filtering.On circuit board, be also provided with a plurality of radiators 12, a plurality of radiators 12 are arranged in two row.Like this, the heat that electronic device produces can promptly diffuse on a plurality of radiators 12.When fan 11 normal work, the air of charger outside flows in charger by louvre 161, and is extracted out outside charger by fan 11.Due to air each radiator 12 of can flowing through, so guarantee that the heat on radiator 12 can be blown away in time.
Yet, above-mentioned charger is mounted in the electric motor car that need to travel out of doors, travel out of doors and can meet unavoidably humidity, rainy day or avenge the weather conditions such as sky, because this charger offers louvre and fan is installed, so moist air stream, water droplet or ice and snow can enter in charger from louvre or fan, will cause short circuit, then can damage charger, seriously also can have the potential safety hazards such as fire.Simultaneously, electric motor car travels out of doors and also can meet and jolt unavoidably, the charger being arranged in electric motor car also can rock along with jolting of electric motor car, and therefore the circuit board being arranged in charger also causes loosening or come off, and has had a strong impact on the routine use of charger.
Summary of the invention
The purpose of this utility model is to provide a kind of charger with good water resistance, anti-seismic performance and heat dispersion.
In order to realize the purpose of this utility model, the utility model provides a kind of charger, comprise support and be arranged on the top cover on support, in the cavity that support and top cover surround, the first power module is installed, the first power module comprises first substrate and is arranged on the first heater members on first substrate, wherein, between the top of the first heater members and the inner surface of top cover, be placed with the first heat-conducting silica gel sheet, between the bottom of the first heater members and the bottom surface of support, be placed with the second heat-conducting silica gel sheet.
From such scheme, the heat major part producing while working due to charger is from heater members, the heat of heater members is transmitted with the support that is positioned at heater members below to the top cover that is positioned at heater members top, and the main object of selecting heat-conducting silica gel sheet is to reduce the contact heat resistance producing between heater members top surface and top cover contact-making surface, utilize heat-conducting silica gel sheet can well fill the gap of this contact-making surface, because air is hot non-conductor, can seriously hinder the transmission of heat between contact-making surface, and install heat-conducting silica gel sheet additional between heater members and top cover, air can be extruded to contact-making surface, be conducive to improve radiating effect, heat-conducting silica gel sheet has good insulation property and damping performance simultaneously, be conducive to better protective circuit plate.Utilize top cover and support that heater members is fixed simultaneously, when improving heat dispersion, also improved stability, because circuit board is arranged in the closed cavity being surrounded by support and the top cover that is arranged on support upper end, so can effectively improve the water resistance of this charger.
Further scheme is, the top of the first heater members is laciniation, or the bottom of the first heater members is laciniation.
Therefore, while accompanying heat-conducting silica gel sheet between heater members and top cover, or while accompanying heat-conducting silica gel sheet between heater members and support, heat-conducting silica gel sheet is because meeting is squeezed, so utilize laciniation can make that heat-conducting silica gel sheet is extruded to be partially filled in groove, be conducive to improve heat transmission, also play the effects such as insulation, damping simultaneously.
Further scheme is, the second radiating element is also installed on first substrate, is upwards extended with the first thermal column in the bottom surface of support, and the first thermal column conducts the heat that the second heater members produces.
Therefore because different heater members has different height or different size, the heat that utilizes upwardly extending thermal column that heater members is produced is taken away, and is conducive to improve radiating effect.
Further scheme is, between the side of the first thermal column and the side of the second heater members, clamping has ceramic gasket.
Therefore ceramic gasket is a kind of material of high thermal conductivity, utilize ceramic gasket and heater members close contact to be conducive to heat to be taken away rapidly, and heat is delivered on support, thus the safety and stability of raising equipment operation.
Further scheme is, ceramic gasket and the first thermal column, the second heater members are by a holder clamping.
Therefore, because thermal column is to take away heat from the side of heater members, thus need to utilize holder that ceramic gasket, thermal column and heater members are close together, thus reduce contact gap, favourable raising radiating effect.
Further scheme is, in the cavity that support and top cover surround, second source module is also installed, second source module comprises second substrate and is arranged on the 3rd heater members on second substrate, on the bottom surface of support, extend upward the second thermal column, between the top of the second thermal column and the bottom of the 3rd radiating element, be placed with the 3rd heat-conducting silica gel sheet.
Further scheme is, the top of the second thermal column is laciniation.
Therefore, because different heat device has differing heights or size, according to different heat device, different corresponding thermal columns are set, utilize laciniation can make that heat-conducting silica gel sheet is extruded to be partially filled in groove simultaneously, be conducive to improve heat transmission, also play the effects such as insulation, damping simultaneously.
Further scheme is, the bottom surface of support offers a plurality of radiating grooves, is equipped with insulating cement pad on a plurality of radiating grooves, and support, the first thermal column, the second thermal column and radiating groove are integral type cast aluminium forming.
Therefore, radiating groove is due to the heat-conducting area increasing in cavity, and utilize the insulation rubber cushion of resistance to electrical breakdown, be conducive to improve the security and stability of charger, aluminium is hot good conductor simultaneously, the capacity of heat transmission of aluminium is 3 times of the capacity of heat transmission of iron, utilizes aluminium can effectively improve heat dispersion as heat dissipation conductor.
Further scheme is, the first heater members and the 3rd heater members are inductor, and the second heater members is power tube.
Therefore inductor, power tube and electric capacity are the main source of heat in power module, inductor, power tube and electric capacity are taked to dispel the heat is targetedly conducive to improve the radiating effect of charger, extends the useful life of charger.
Accompanying drawing explanation
Fig. 1 is the structure chart of existing charger.
Fig. 2 is the structure chart of the utility model charger embodiment.
Fig. 3 is the exploded view of the utility model charger embodiment.
Fig. 4 is the stand structure figure in the utility model charger embodiment.
Fig. 5 is the power module exploded view in the utility model charger embodiment.
Fig. 6 is another power module exploded view in the utility model charger embodiment.
Fig. 7 is that the utility model charger embodiment omits the structure chart after top cover.
Fig. 8 is the part sectioned view at A-A place in Fig. 7.
Fig. 9 is the part sectioned view at B-B place in Fig. 7.
Figure 10 is another part sectioned view at B-B place in Fig. 7.
Figure 11 is the part sectioned view at C-C place in Fig. 7.
Figure 12 is the part sectioned view at D-D place in Fig. 7.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
With reference to Fig. 2, Fig. 2 is the structure chart of the utility model charger 2.Charger 2 comprises support 3 and is arranged on the top cover 21 of support 3 tops, is provided with radiator 22 below support 3, at the middle part of radiator 22, radiator fan 23 is installed.
With reference to Fig. 3, Fig. 3 is the exploded view of charger 2.Support 3 and top cover 21 surround a cavity 31, and insulation rubber cushion 24, power module 4 and power module 5 are installed in cavity 31.With reference to Fig. 4, Fig. 4 is support 3 structure charts of charger 2, on the bottom surface 32 of support 3, offer a plurality of radiating grooves 33, a plurality of radiating grooves 33 abreast and be evenly distributed on bottom surface 32, on the bottom surface 32 of support 3 along extended upward two thermal columns 341, two thermal columns 342, two thermal columns 35 and thermal columns 36 perpendicular to the direction of bottom surface 32, wherein, the top of thermal column 35 and thermal column 36 all offers the laciniation being comprised of a plurality of grooves and a plurality of boss.Insulation rubber cushion 24 is laid on a plurality of radiating grooves 33 of bottom surface 32, and power module 4 and power module 5 are arranged on and are arranged in the top of insulation rubber cushion 24 and are fixed on cavity 31.
With reference to Fig. 5, Fig. 5 is the structure chart of power module 4, power module 4 comprises substrate 47, on substrate 47, be provided with the inductor 42 of inductor that volume is larger 41, two small volumes, two electric capacity 43 and a plurality of power tubes 44, wherein, substrate 47 also offers two installing holes 48, and when power module 4 is arranged in support 3, thermal column 341 is through this installing hole 48.Because power tube 44 is arranged in a side of installing hole 48, thus a ceramic gasket 46 can be set between power tube 44 and thermal column 341, and the clip 45 that is used as holder makes the side of power tube 44 and the clamping of the side of thermal column 341 have ceramic gasket 46.
With reference to Fig. 6, Fig. 6 is the structure chart of power module 5, power module 5 comprises substrate 57, on substrate 57, be provided with inductor 51, two electric capacity 52 and a plurality of power tubes 53, wherein, substrate 47 also offers two installing holes 56, when power module 5 is arranged in support 3, thermal column 342 is through this installing hole 56, because power tube 53 is arranged in a side of installing hole 56, so a ceramic gasket 55 can be set between power tube 53 and thermal column 342, and the clip 54 that is used as holder makes the side of power tube 53 and the clamping of the side of thermal column 342 have ceramic gasket 55.
With reference to Fig. 7 and Fig. 8, Fig. 7 is that power module 4 and power module 5 are arranged on the structure chart after support 3, and Fig. 8 is the part sectioned view at A-A place in Fig. 7.The substrate 57 of power module 5 is enclosed within on thermal column 342, utilize clip 54 is close to power tube 53, ceramic gasket 55 with thermal column 342 together with, when charger 2 normal work, power tube 53 can produce a large amount of heats, now, by ceramic gasket 55, the heat on power tube 53 can be delivered on thermal column 342, the heat on thermal column 342 is sent on radiator 22 then by support 3.Because radiator 22 has larger area of dissipation and can utilize radiator fan 23 to dispel the heat, so be conducive to improve the heat dispersion of charger 2.In like manner, the normal work of power tube 44 is that the heat producing is delivered on thermal column 341 by ceramic gasket 56 equally, then by thermal column 341, heat is delivered on radiator 22 and is dispelled the heat.
With reference to Fig. 9, Fig. 9 is the part sectioned view at B-B place in Fig. 7, visible, and inductor 51 comprises a cover body 511 and casting glue 512, has an inductance coil in casting glue 512, and the top of cover body 511 and bottom be the laciniation for being comprised of a plurality of grooves and a plurality of boss all.When needs are installed power module 5 in support 3 time, first in the bottom of inductor 51, stick a heat-conducting silica gel sheet 72, again power module 5 is installed in the corresponding position of support 3 subsequently, and then heat-conducting silica gel sheet 71 is attached on the top of inductor 51, finally top cover 21 is covered.During inductance coil energising work in inductor 51, can produce amount of heat, this heat is delivered on cover body 511 by casting glue 512, cover body 511 is delivered to heat on top cover 21 and support 3 respectively by heat-conducting silica gel sheet 71 and heat-conducting silica gel sheet 72 again then, and support 3 continues heat to be delivered in radiator 22 and to dispel the heat.
With reference to Figure 10, Figure 10 is another part sectioned view at B-B place in Fig. 7.The substrate 47 of power module 4 is arranged in support 3, the top of two electric capacity 43 on substrate 47 all and between the inner surface of top cover 21, accompany heat-conducting silica gel sheet 73, when charger 2 work, electric capacity 43 can produce amount of heat, now the heat-conducting silica gel sheet 73 by electric capacity 43 tops can be delivered to heat the top cover 21 with larger area of dissipation, effectively improves heat dispersion.
With reference to Figure 11, Figure 11 is the part sectioned view at C-C place in Fig. 7.Support 3 has extended upward thermal column 36 in the direction along perpendicular to bottom surface 32, the top of thermal column 36 is the laciniation being comprised of a plurality of grooves and a plurality of boss, heat-conducting silica gel sheet 74 is also posted at the top of thermal column 36, when the substrate 47 of power module 4 is arranged in support 3, between the bottom of the inductor 41 on substrate 47 and the top of thermal column 36, accompany heat-conducting silica gel sheet 74, heat-conducting silica gel sheet 75 is posted at the top of inductor 41, between the top of inductor 41 and the inner surface of top cover 21, accompanies heat-conducting silica gel sheet 75.When charger 2 work, inductor 41 can produce amount of heat, wherein a part of heat can be delivered on the top cover 21 with larger area of dissipation by heat-conducting silica gel sheet 75, a part of heat can be delivered on thermal column 36 by heat-conducting silica gel sheet 74 in addition, and thermal column 36 is delivered on the radiator 22 with larger area of dissipation by support 3 again.
With reference to Figure 12, Figure 12 is the part sectioned view at D-D place in Fig. 7.Support 3 has extended upward two thermal columns 35 in the direction along perpendicular to bottom surface 32, the top of two thermal columns 35 is the laciniation for being comprised of a plurality of grooves and a plurality of boss all, heat-conducting silica gel sheet 76 is all posted at the top of two thermal columns 35, when the substrate 47 of power module 4 is arranged in support 3, between the bottom of the inductor 42 on substrate 47 and the top of thermal column 35, accompany heat-conducting silica gel sheet 76.Heat-conducting silica gel sheet 77 is all posted at the top of two inductors 42, between inductor 42 tops and the inner surface of top cover 21, accompanies heat-conducting silica gel sheet 77.When charger 2 work, two inductors 42 all can produce amount of heat, wherein a part of heat can be delivered on the top cover 21 with larger area of dissipation by heat-conducting silica gel sheet 77, a part of heat can be delivered on thermal column 35 by heat-conducting silica gel sheet 76 in addition, and thermal column 35 is delivered on the radiator 22 with larger area of dissipation by support 3 again.
And in the present embodiment, support 3, radiator 22, radiating groove 33, thermal column 341, thermal column 342, thermal column 35 and thermal column 36 are integral type cast aluminium forming.
From such scheme, the heater members that can produce amount of heat during the work such as inductor, power tube, electric capacity is by dispelling the heat in its top, bottom and side, be conducive to rapidly the heat in heater members be taken away, extend the useful life of heater members, by support, be outward extended with the thermal column of differing heights simultaneously, can overcome because different components has the problem that different size causes heat radiation loose contact, make heater members better be contacted with support, be conducive to improve the heat dispersion of charger.Owing to utilizing top cover and support to be fixed heater members, and power module is mounted in the cavity of the sealing being surrounded by support and top cover, so this charger has good stability and water resistance.
Claims (10)
1. charger, comprises support and is arranged on the top cover on described support, in the cavity that described support and described top cover surround, the first power module is installed, and described the first power module comprises first substrate and is arranged on the first heater members on described first substrate;
It is characterized in that:
Between the top of described the first heater members and the inner surface of described top cover, be placed with the first heat-conducting silica gel sheet, between the bottom of described the first heater members and the bottom surface of described support, be placed with the second heat-conducting silica gel sheet.
2. charger according to claim 1, is characterized in that:
The top of described the first heater members is laciniation.
3. charger according to claim 2, is characterized in that:
The bottom of described the first heater members is laciniation.
4. according to the charger described in claims 1 to 3 any one, it is characterized in that:
The second heater members is also installed on described first substrate, is upwards extended with the first thermal column in the bottom surface of described support, described the first thermal column conducts the heat that described the second heater members produces.
5. charger according to claim 4, is characterized in that:
Between the side of the side of described the first thermal column and described the second heater members, clamping has ceramic gasket.
6. charger according to claim 5, is characterized in that:
Described ceramic gasket and described the first thermal column, described the second heater members are by a holder clamping.
7. charger according to claim 4, is characterized in that:
In the cavity that described support and described top cover surround, second source module is also installed, described second source module comprises second substrate and is arranged on the 3rd heater members on described second substrate, on the bottom surface of described support, extend upward the second thermal column, between the top of described the second thermal column and the bottom of described the 3rd heater members, be placed with the 3rd heat-conducting silica gel sheet.
8. charger according to claim 7, is characterized in that:
The top of described the second thermal column is laciniation.
9. charger according to claim 7, is characterized in that:
The bottom surface of described support offers a plurality of radiating grooves, on a plurality of described radiating grooves, is equipped with insulating cement pad, and described support, described the first thermal column, described the second thermal column and described radiating groove are integral type cast aluminium forming.
10. charger according to claim 7, is characterized in that:
Described the first heater members and described the 3rd heater members are inductor, and described the second heater members is power tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640452.7U CN203553995U (en) | 2013-10-16 | 2013-10-16 | A charging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640452.7U CN203553995U (en) | 2013-10-16 | 2013-10-16 | A charging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553995U true CN203553995U (en) | 2014-04-16 |
Family
ID=50472064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640452.7U Expired - Lifetime CN203553995U (en) | 2013-10-16 | 2013-10-16 | A charging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475071A (en) * | 2013-10-16 | 2013-12-25 | 珠海英搏尔电气有限公司 | Charger |
| CN106915264A (en) * | 2015-12-24 | 2017-07-04 | 法可特里亚股份有限公司 | For the onboard charger of electric vehicle |
-
2013
- 2013-10-16 CN CN201320640452.7U patent/CN203553995U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475071A (en) * | 2013-10-16 | 2013-12-25 | 珠海英搏尔电气有限公司 | Charger |
| CN103475071B (en) * | 2013-10-16 | 2016-03-02 | 珠海英搏尔电气股份有限公司 | Charger |
| CN106915264A (en) * | 2015-12-24 | 2017-07-04 | 法可特里亚股份有限公司 | For the onboard charger of electric vehicle |
| CN106915264B (en) * | 2015-12-24 | 2021-10-15 | 法可特里亚股份有限公司 | On-board charger for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519085, No. six, No. 7, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai Patentee after: ZHUHAI ENPOWER ELECTRIC Co.,Ltd. Address before: 519085, No. six, No. 7, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai Patentee before: ZHUHAI ENPOWER ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |