CN212579643U - Low-power non-vehicle-mounted charger with high protection performance - Google Patents

Low-power non-vehicle-mounted charger with high protection performance Download PDF

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Publication number
CN212579643U
CN212579643U CN202022237562.1U CN202022237562U CN212579643U CN 212579643 U CN212579643 U CN 212579643U CN 202022237562 U CN202022237562 U CN 202022237562U CN 212579643 U CN212579643 U CN 212579643U
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Prior art keywords
charging
inner shell
power
shell
direct current
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CN202022237562.1U
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Inventor
王雪飞
袁海霞
谢保平
周建伟
吴方捷
崔文娟
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Nanjing Kangni New Energy Auto Parts Co ltd
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Nanjing Kangni New Energy Auto Parts Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model discloses a low-power non-vehicle-mounted charger with high protection performance, which comprises a direct current output charging connection wiring harness, a non-vehicle-mounted charger main body and an alternating current input charging connection wiring harness; the off-board charger main body comprises an upper shell, a lower shell, a left side plate, a right side plate, a radiator, a power module assembly, an inner shell and an inner shell cover; an inner shell and an outer shell are designed around the power module assembly and the radiator, the dustproof and waterproof performance and the basic insulating performance of the non-vehicle-mounted charger main body are realized through the inner shell, the reinforced insulating performance of the non-vehicle-mounted charger main body is realized through the outer shell, and the inner shell and the outer shell jointly realize double insulating performance; the problem of the electric automobile that adopts the direct current interface that charges is effectively solved, and the structural design of high barrier propterty makes the charging process safe and reliable more simultaneously.

Description

Low-power non-vehicle-mounted charger with high protection performance
Technical Field
The utility model belongs to the technical field of new forms of energy electric automobile charges, concretely relates to low-power non-vehicle machine that charges with high barrier propterty.
Background
Most charging solutions for electric vehicles in the market at the present stage are still more in a traditional alternating current charging mode 2 mode, and the charging solution needs to be provided with a vehicle-mounted charger, an alternating current charging interface and a corresponding high-voltage connection wire harness at a vehicle end, and the user end is provided with the alternating current charging mode 2 wire harness (comprising an alternating current charging gun, an on-cable control box, a wire harness, a plug and the like) to charge the electric vehicles.
When the alternating current charging mode 2 is adopted for charging, the charging speed is low, and the time of the charger is long; meanwhile, the charging scheme requires a host factory to configure a vehicle-mounted charger, an alternating current charging interface and a corresponding high-voltage connecting wire harness at a vehicle end, so that the space of the whole vehicle is occupied, the weight of the whole vehicle is increased, and the cost and the failure rate of the whole vehicle are influenced to a certain degree.
In the prior art, a vehicle-mounted charger and an alternating current charging interface are already cancelled on the latest vehicle models of a plurality of host factories, instead, a direct current charging interface is added at a vehicle end, and the vehicle-mounted charger is moved out of the vehicle to be used as a vehicle-mounted accessory, so that urgent needs are brought to the non-vehicle-mounted low-power charger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a miniwatt non-vehicle machine that charges with high barrier propterty, inside and outside two-layer casing realizes dual insulation performance jointly.
In order to solve the technical problem, the utility model provides a low-power off-board charger with high protection performance, which is characterized in that the charger comprises a direct current output charging connection harness, an off-board charger main body and an alternating current input charging connection harness;
the off-board charger main body comprises an upper shell, a lower shell, a left side plate, a right side plate, a radiator, a power module assembly, an inner shell and an inner shell cover;
the power module assembly is positioned in the cavity of the inner shell, the radiator is covered above the power module assembly, the bottom of the inner shell is spliced with an inner shell cover, and the radiator, the inner shell and the inner shell cover are spliced into a closed box body structure, namely an inner shell;
the upper shell, the lower shell, the left side plate and the right side plate form a box body structure which is called an outer shell, and the outer shell wraps the inner shell;
the alternating current input charging connecting wire bundle is connected with the input end of the power module assembly, and the direct current output charging connecting wire bundle is connected with the output end of the power module assembly;
the power module assembly obtains an alternating current power supply from the alternating current input charging connection wiring harness; the direct current is converted into direct current and is output from the direct current output charging connecting wire bundle to charge the electric automobile.
Furthermore, the joint between the inner shell and the radiator is sealed by gluing.
Furthermore, a sealing ring is arranged at the joint between the inner shell cover and the inner shell.
Furthermore, the upper shell and the lower shell are respectively fixed on the radiator through screws; the left side plate and the right side plate are respectively fixed on the inner shell through screws.
Furthermore, the left side plate and the right side plate are both provided with ventilation holes for heat dissipation.
Furthermore, a waterproof joint and a switching connector socket are respectively arranged on two sides of the inner shell, the waterproof joint is fastened on the inner shell through a nut, the switching connector socket is fixed on the inner shell through a screw, the direct current output charging connection wiring harness is fixed through the waterproof joint, and the alternating current input charging connection wiring harness is fixed through the switching connector socket.
Furthermore, a sealing ring is arranged at the joint of the adapter connector socket and the inner shell.
Further, the direct current output charging connecting wiring harness comprises a direct current charging gun and a direct current charging cable; one end of the direct current charging cable is connected with the output end of the power module assembly so as to obtain a charging power supply, the other end of the direct current charging cable is connected with a direct current charging gun, and the direct current charging gun is used for connecting a direct current charging interface on an electric automobile so as to charge the electric automobile.
Furthermore, the alternating current input charging connecting wiring harness comprises a switching connector plug, an alternating current charging cable and a three-hole plug which are connected in sequence; wherein: the three-eye plug is used for connecting an alternating current power supply, and the switching connector plug is used for connecting the input end of the power module assembly.
Furthermore, the alternating current input charging connecting wiring harness comprises a switching connector plug, an alternating current charging cable and an alternating current charging gun socket which are connected in sequence; wherein: the alternating current charging gun socket is used for being connected with an alternating current charging gun on an alternating current charging pile, and the adapter connector plug is used for being connected with the input end of the power module assembly.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model designs an inner and outer shell structure around the power module assembly and the radiator, realizes the dustproof and waterproof performance and the basic insulating performance of the non-vehicle charger main body through the inner shell, realizes the reinforced insulating performance of the non-vehicle charger main body through the outer shell, and realizes the double insulating performance of the inner and outer shells together; the problem of the electric automobile that adopts the direct current interface that charges is effectively solved, and the structural design of high barrier propterty makes the charging process safe and reliable more simultaneously.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention (ac input charging connection harness is in state a);
fig. 2 is a schematic structural diagram of a dc output charging connection harness according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an outer housing of an off-board charger body according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an inner shell of a main body of the off-board charger according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of an ac input charging connection harness (state a) according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an ac input charging connection harness (state B) according to an embodiment of the present invention.
Reference numerals: 1. the vehicle-mounted charger comprises a direct current output charging connection wiring harness, a non-vehicle-mounted charger main body, a direct current input charging connection wiring harness, 4 a direct current charging gun, 5 a direct current charging cable, 6 an upper shell, 7 a lower shell, 8 a left side plate, 9 a right side plate, 10 a radiator, 11 a power module, 12 an inner shell, 13 an inner shell cover, 14 a waterproof joint, 15 a switching connector socket, 16 a switching connector plug, 17 an alternating current charging cable, 18 a three-eye plug, 19 an alternating current charging socket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including other elements not expressly listed, in addition to those listed.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present patent application can be understood in specific cases by those skilled in the art.
With the development of the electric automobile industry, more and more electric automobiles cancel an alternating current charging interface and adopt a direct current charging interface instead, so that the vehicle-mounted charger is moved out of the automobile to be a necessary trend. Moving the vehicle-mounted charger out of the vehicle as an accessory is not simply placed outside the vehicle body by following the original design as a vehicle accessory: firstly, a charging power module needs to be redesigned to realize a corresponding charging function and requirement; secondly, various using environments of users are considered, and the dustproof and waterproof performance of the non-vehicle charger is higher; and the charging voltage of the charger is high, so that the non-vehicle charger needs to adopt a double-insulation protection mode in order to fully ensure the use safety of the non-vehicle charger.
The utility model discloses a miniwatt non-vehicle machine that charges that possesses high barrier propterty, high barrier propterty mainly indicates casing dustproof and waterproof performance and casing insulating properties two aspects. The utility model discloses the dustproof and waterproof performance of well casing reaches IP67, and the insulating properties of casing reaches dual insulation.
The utility model discloses a low-power non-vehicle charger with high protection performance, as shown in figure 1, including direct current output charging connection pencil 1, non-vehicle charger main part 2 and alternating current input charging connection pencil 3, alternating current input charging connection pencil 3 connects the input of non-vehicle charger main part 2, provides alternating current power supply for non-vehicle charger main part 2; the direct current output charging connection wire harness 1 is connected with the output end of the off-board charger main body 2 and used for being connected with a direct current charging interface on the electric automobile to charge the electric automobile.
Structure of the dc output charging connection harness referring to fig. 2, the dc output charging connection harness 1 includes a dc charging gun 4 and a dc charging cable 5; the output of non-on-vehicle machine main part 2 that charges is connected in order to acquire charging source to 5 one end of direct current charging cable, and direct current rifle 4 that charges is connected to the other end, and direct current rifle 4 that charges is used for connecting the electric automobile on the direct current interface that charges and charges for electric automobile.
Alternating current input charging connection pencil 3 can be divided into multiple state according to the different forms of alternating current input side, including but not limited to the utility model provides a two kinds of states: state a and state B.
Referring to fig. 5, the ac input charging connection harness 3 state a includes a adaptor connector plug 16, an ac charging cable 17, and a three-eye plug 18, which are connected in sequence. The three-eye plug is used for being directly connected with an external alternating current power supply, and the adapter connector plug 16 is used for being connected with the input end of the off-board charger main body 2, so that the external alternating current power supply is provided for the off-board charger main body.
Referring to fig. 6, ac input charging connection harness 3 state B includes adaptor connector plug 16, ac charging cable 17 and ac charging gun socket 19 connected in sequence. The alternating current charging gun socket 19 is used for being connected with an alternating current charging gun on an alternating current charging pile so as to obtain an alternating current power supply, and the adapter connector plug 16 is used for being connected with the input end of the off-board charger main body 2 so as to provide the alternating current power supply for the off-board charger main body.
The switching between the state A and the state B means that the whole wiring harness is switched, namely two wiring harnesses exist, and the switching means that the wiring harnesses are integrally switched (the two wiring harnesses are the same at one end connected with the charger main body).
Referring to fig. 3 and 4, the off-board charger main body 2 includes an upper housing 6, a lower housing 7, a left side plate 8, a right side plate 9, a radiator 10, a power module assembly 11, an inner housing 12, an inner housing cover 13, a cable waterproof joint 14, a adaptor connector receptacle 15, and the like.
The power module component is used for converting input alternating current into direct current to charge the battery of the electric automobile; in this embodiment, the rated input is 220V AC, and the rated output voltage is 500V.
Referring to fig. 4, the power module assembly 11 is installed in a cavity of the inner housing 12 and fixed on the heat sink 10 above the power module assembly by screws, and the bottom of the inner housing 12 is spliced with the inner housing cover 13, so that the heat sink 10, the inner housing 12 and the inner housing cover 13 are spliced into a closed box structure, which is called an inner housing, and the power module assembly 11 is located in the inner housing.
The power module assembly 11 and the inner housing 12 are fixed on the radiator 10 through screws, the joint between the inner housing 12 and the radiator 10 is sealed by gluing to meet the dustproof and waterproof requirements, the inner housing cover 13 is fixed with the inner housing 12 through screws, a sealing ring is designed at the joint between the inner housing cover 13 and the inner housing 12 to meet the dustproof and waterproof requirements, a waterproof connector 14 and a adaptor connector socket 15 are respectively arranged at two sides of the inner housing 12, the waterproof connector 14 is fastened on the inner housing 12 through nuts, the adaptor connector socket 15 is fixed on the inner housing 12 through screws, a sealing ring is designed between the adaptor connector socket 15 and the inner housing 12 to meet the dustproof and waterproof requirements, the direct-current output charging connection harness 1 is fixed through the waterproof connector 14 and is electrically connected with the power module assembly 11. The alternating current input charging connection wiring harness 3 is matched and fixed with the adaptor connector socket 15 through the adaptor connector plug 16, electrical connection is achieved through an internal structure, and a sealing ring is designed between the adaptor connector plug 16 and the adaptor connector socket 15 to meet the requirements of dust prevention and water prevention.
Wherein, go up casing 6, lower casing 7, left side board 8 and right side board 9 and constitute the box structure, be called outer casing, outer casing parcel inlayer casing. The upper shell 6 and the lower shell 7 are respectively fixed on the radiator 10 through screws; the left side plate 8 and the right side plate 9 are fixed to the inner housing 12 by screws, respectively. And ventilation holes for heat dissipation are formed in the left side plate 8 and the right side plate 9.
The aforesaid does the utility model discloses the basic connection relation of the on-vehicle machine scheme that charges of miniwatt, wherein go up casing 6, lower casing 7, left side board 8, right side board 9 and constitute outer casing, wherein go up casing 6, lower casing 7 and be the aluminum alloy material, left side board and right side board are engineering plastics commonly used, like PC, PBT etc. The radiator 10, the inner shell 12 and the inner shell cover 13 form an inner shell, and the inner shell 12 and the inner shell cover 13 are made of common engineering plastics, such as PC, PBT and the like. Gluing and sealing the inner shell and the radiator, and compressing and sealing the inner shell and the inner shell cover through a sealing ring; a closed cavity is formed by the inner shell, the inner shell cover and the radiator, and the inside of the cavity is an IP67 sealed environment. The IP67 dustproof and waterproof performance of the non-vehicle-mounted charger main body 2 is achieved, and the double insulation performance of the non-vehicle-mounted charger is achieved through the inner shell and the outer shell together. The term "insulation" means that the power module assembly is located inside the inner case, and usually only the outer case is accessible, and even if the outer case is damaged by an external force, only the inner case is accessible, and the power module assembly cannot be brought into contact with a charged part or a charged component. Namely, the charged part or the charged component can not be reached to realize insulation.
The utility model discloses aim at solving electric automobile and adopt the direct current interface that charges to shift out the vehicle-mounted machine that charges the security problem that the whole car after the car charges outside the car with charging: the charging power module assembly and the radiator are redesigned, an inner shell structure and an outer shell structure are designed around the power module assembly and the radiator, the dustproof and waterproof performance and the basic insulating performance of the non-vehicle-mounted charger main body are realized through the inner shell, the reinforced insulating performance of the non-vehicle-mounted charger main body is realized through the outer shell, and the inner shell and the outer shell realize double insulating performance together; the problem of the electric automobile that adopts the direct current interface that charges is effectively solved, and the structural design of high barrier propterty makes the charging process safe and reliable more simultaneously.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A low-power off-board charger with high protection performance is characterized by comprising a direct-current output charging connection wiring harness, an off-board charger main body and an alternating-current input charging connection wiring harness;
the off-board charger main body comprises an upper shell, a lower shell, a left side plate, a right side plate, a radiator, a power module assembly, an inner shell and an inner shell cover;
the power module assembly is positioned in the cavity of the inner shell, the radiator is covered above the power module assembly, the bottom of the inner shell is spliced with an inner shell cover, and the radiator, the inner shell and the inner shell cover are spliced into a closed box body structure, namely an inner shell;
the upper shell, the lower shell, the left side plate and the right side plate form a box body structure which is called an outer shell, and the outer shell wraps the inner shell;
the alternating current input charging connecting wire bundle is connected with the input end of the power module assembly, and the direct current output charging connecting wire bundle is connected with the output end of the power module assembly;
the power module assembly obtains an alternating current power supply from the alternating current input charging connection wiring harness; the direct current is converted into direct current and is output from the direct current output charging connecting wire bundle to charge the electric automobile.
2. The small-power off-board charger with high protection performance as claimed in claim 1, wherein the joint of the inner casing and the heat sink is sealed by gluing.
3. The small-power off-board charger with high protection performance as claimed in claim 1, wherein a sealing ring is disposed at a connection between the inner housing cover and the inner housing.
4. The small-power off-board charger with high protection performance according to claim 1, wherein the upper casing and the lower casing are respectively fixed on the radiator through screws; the left side plate and the right side plate are respectively fixed on the inner shell through screws.
5. The small-power off-board charger with high protection performance as claimed in claim 1, wherein the left side plate and the right side plate are both provided with ventilation holes for heat dissipation.
6. The small-power off-board charger with high protection performance as claimed in claim 1, wherein a waterproof connector and a adaptor connector socket are respectively disposed at two sides of the inner housing, the waterproof connector is fastened to the inner housing by a nut, the adaptor connector socket is fixed to the inner housing by a screw, the dc output charging connection harness is fixed by the waterproof connector, and the ac input charging connection harness is fixed by the adaptor connector socket.
7. The small-power off-board charger with high protection performance as claimed in claim 6, wherein a sealing ring is disposed at the connection between the adaptor connector socket and the inner housing.
8. The small-power off-board charger with high protection performance as claimed in claim 1, wherein the dc output charging connection harness includes a dc charging gun and a dc charging cable; one end of the direct current charging cable is connected with the output end of the power module assembly so as to obtain a charging power supply, the other end of the direct current charging cable is connected with a direct current charging gun, and the direct current charging gun is used for connecting a direct current charging interface on an electric automobile so as to charge the electric automobile.
9. The small-power off-board charger with high protection performance as claimed in claim 1, wherein the ac input charging connection harness comprises a adaptor connector plug, an ac charging cable and a three-eye plug which are connected in sequence; wherein: the three-eye plug is used for connecting an alternating current power supply, and the switching connector plug is used for connecting the input end of the power module assembly.
10. The small-power off-board charger with high protection performance as claimed in claim 1, wherein the ac input charging connection harness comprises a adaptor connector plug, an ac charging cable and an ac charging gun socket which are connected in sequence; wherein: the alternating current charging gun socket is used for being connected with an alternating current charging gun on an alternating current charging pile, and the adapter connector plug is used for being connected with the input end of the power module assembly.
CN202022237562.1U 2020-10-10 2020-10-10 Low-power non-vehicle-mounted charger with high protection performance Active CN212579643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022237562.1U CN212579643U (en) 2020-10-10 2020-10-10 Low-power non-vehicle-mounted charger with high protection performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022237562.1U CN212579643U (en) 2020-10-10 2020-10-10 Low-power non-vehicle-mounted charger with high protection performance

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Publication Number Publication Date
CN212579643U true CN212579643U (en) 2021-02-23

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Country Status (1)

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CN (1) CN212579643U (en)

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