CN211320964U

CN211320964U - Semi-closed vehicle-mounted charger

Info

Publication number: CN211320964U
Application number: CN201922345638.XU
Authority: CN
Inventors: 李微; 林木松
Original assignee: Pluckystone Technologies Co ltd
Current assignee: Pluckystone Technologies Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-21
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a semi-enclosed vehicle carries machine that charges belongs to machine technical field that charges, including the fretwork casing, detachable is provided with grid net board in the fretwork casing, the upper end of grid net board is fixed with accurate electronic components, the mounting groove has been seted up in the grid net board, the mounting groove internal fixation has radiator fan and high-power components and parts, the surface activity cover of fretwork casing is equipped with two end covers, and can dismantle between end cover and the grid net board and be connected, a plurality of evenly distributed's louvre has been seted up to the lower part of end cover, and louvre and grid net board intercommunication, form airtight space between the one end upper portion that two end covers were kept away from mutually and the fretwork casing, and form open space between the one end lower part that two end covers were kept away from mutually and the fretwork casing.

Description

Semi-closed vehicle-mounted charger

Technical Field

The utility model relates to a fill motor technical field, more specifically say, relate to a semi-enclosed vehicle carries machine that charges.

Background

The high-power vehicle-mounted charger used by the low-speed electric vehicle has higher waterproof and dustproof requirements on the charger. Normally, the charger adopts a fully-closed structure design, but the charger can lose heat due to the problem of energy conversion efficiency, poor design can cause unsmooth heat dissipation, the temperature of components rises rapidly to exceed a safety boundary, and the charger can lose efficacy and be damaged. Therefore, such a charger must ensure the overall safety and stability of the charging power supply by using better components to increase the thermal safety margin, or increasing the area of the heat dissipation housing to accelerate heat dissipation and prevent heat accumulation. But these add significantly to the cost of the power supply.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide a semi-closed vehicle carries machine that charges, it provides a high-power vehicle carries charger, divide into sealed and open two parts in the charger casing, for semi-closed structure, with accurate electronic components overall arrangement such as semiconductor in sealed shell, with magnetic core component and power resistance isovolumic big, the device that generates heat big is placed in open shell, because the appearance characteristics of magnetic core component and power resistance self, they receive water and dust to influence very little, and easily waterproof dustproof processing, radiator fan places at the open shell middle part of charger.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a semi-enclosed vehicle-mounted charger, includes the fretwork casing, detachable is provided with grid net board in the fretwork casing, the upper end of grid net board is fixed with accurate electronic components, the mounting groove has been seted up in the grid net board, the mounting groove internal fixation has radiator fan and high-power components and parts, the surface activity cover of fretwork casing is equipped with two end covers, and can dismantle between end cover and the grid net board and be connected, a plurality of evenly distributed's louvre is seted up to the lower part of end cover, and louvre and grid net board intercommunication, two form airtight space between the one end upper portion that the end cover was kept away from mutually and the fretwork casing, and form open space between the one end lower part that two end covers were kept away from mutually and the fretwork casing, its waterproof dustproof.

As the utility model discloses a preferred scheme, the grid net board includes diaphragm and riser, the riser is provided with a plurality ofly, the diaphragm is fixed in the upper end of a plurality of risers, forms the ventilation clearance between a plurality of risers.

As a preferred scheme of the utility model, can dismantle through a plurality of first mounting screws and be connected between fretwork casing and the grid network board, a plurality of evenly distributed's first screw has all been seted up at both ends around the fretwork casing, a plurality of evenly distributed's first internal thread groove has all been seted up at both ends around the grid network board, first mounting screw threaded connection is between first screw and first internal thread groove

As a preferred scheme of the utility model, all can dismantle through a plurality of second mounting screws between grid net board and two end covers and be connected, two a plurality of evenly distributed's second screw has all been seted up to the one end that the end cover was kept away from mutually, a plurality of evenly distributed's second internal thread groove has all been seted up at both ends about grid net board, second mounting screw threaded connection is between second screw and second internal thread groove.

As a preferred scheme of the utility model, radiator fan and high-power components and parts all are fixed in the inner wall of mounting groove through the adhesive, radiator fan is provided with two, and two radiator fan transversely distribute side by side.

As a preferred scheme of the utility model, two the lower extreme of end cover all is fixed with firm seat, two draw-in grooves have all been seted up to the one end that firm seat was kept away from mutually, and two draw-in grooves are located both sides around firm seat respectively.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the scheme provides a high-power vehicle-mounted charger, a charger shell is divided into a closed part and an open part, the charger shell is of a semi-closed structure, precision electronic components such as semiconductors are distributed in the closed shell, devices with large heating and equal volumes of a magnetic core element and a power resistor are placed in the open shell, the magnetic core element and the power resistor are slightly influenced by water and dust due to the appearance characteristics of the magnetic core element and the power resistor, the charger shell is easy to carry out waterproof and dustproof treatment, and a cooling fan is placed in the middle of the open shell of the charger.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the present invention after the end cap is removed from fig. 1;

fig. 3 is a perspective view of the grid plate and the precision electronic component according to the present invention;

fig. 4 is a perspective view of the heat dissipation fan of the present invention;

fig. 5 is a side sectional view of the present invention.

The reference numbers in the figures illustrate:

the structure comprises a hollow shell 1, end covers 2, a stabilizing seat 3, a clamping groove 4, heat dissipation holes 5, a grid plate 6, a precise electronic component 7, a heat dissipation fan 8 and a high-power component 9.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a semi-closed vehicle-mounted charger comprises a hollow casing 1, a grid plate 6 is detachably arranged in the hollow casing 1, the grid plate 6 comprises a plurality of horizontal plates and vertical plates, the vertical plates are fixed on the upper ends of the vertical plates, ventilation gaps are formed among the vertical plates, a precise electronic component 7 is fixed on the upper end of the grid plate 6, a mounting groove is arranged in the grid plate 6, a heat dissipation fan 8 and a high-power component 9 are fixed in the mounting groove, the heat dissipation fan 8 and the high-power component 9 are both fixed on the inner wall of the mounting groove through an adhesive, the heat dissipation fans 8 are two, the two heat dissipation fans 8 are transversely distributed side by side, two end covers 2 are movably sleeved on the surface of the hollow casing 1, the end covers 2 are detachably connected with the grid plate 6, a plurality of heat dissipation holes 5 which are uniformly distributed are arranged on, and the heat dissipation holes 5 are communicated with the grid mesh plate 6, a closed space is formed between the upper part of one end, far away from the two end covers 2, of the hollow shell 1, and an open space is formed between the lower part of one end, far away from the two end covers 2, of the hollow shell 1.

In the embodiment, the grid mesh plate 6 is composed of a plurality of vertical plates and a transverse plate, ventilation gaps formed among the vertical plates are used for ventilation and heat dissipation, the installation grooves are formed on the vertical plates, namely the middle parts of the vertical plates are hollowed at the rear positions, so that installation grooves are formed for installing the heat dissipation fans 8 and the high-power components 9, the high-power components 9 mainly comprise magnetic core elements, devices with large power resistance equal volume and large heat generation, and due to the appearance characteristics of the magnetic core elements, the devices with large power resistance equal volume and large heat generation, the magnetic core elements, the power resistance equal volume and the large heat generation are slightly influenced by water and dust and are easy to be subjected to waterproof and dustproof treatment, so that the precise electronic components 7 are ensured to be placed in the installation grooves to perform good heat dissipation under the effects of the ventilation gaps and the two heat dissipation fans 8, the precise electronic, the internal structures of the precision electronic component 7, the cooling fan 8 and the high-power component 9 are well-known technologies of those skilled in the art, and therefore no further description is given here, but it should be noted that the precision electronic component 7 and the high-power component 9 can realize a charging function after being combined, and here is also a well-known technology of those skilled in the art, and no further description is given here, the vehicle-mounted charger is divided into a closed part and an open part, and the precision electronic component 7 is placed in the closed part, because the precision electronic component 7 needs to be well protected, and the precision electronic component 7 is not prone to generate heat, the precision electronic component 7 can be well protected, and the high-power component 9 only needs to be simply protected, and is placed in the open part.

Specifically, as shown in fig. 2 and fig. 3, the hollowed-out housing 1 and the grid mesh plate 6 are detachably connected through a plurality of first mounting screws, a plurality of first screw holes which are uniformly distributed are formed in the front end and the rear end of the hollowed-out housing 1, a plurality of first inner thread grooves which are uniformly distributed are formed in the front end and the rear end of the grid mesh plate 6, and the first mounting screws are connected between the first screw holes and the first inner thread grooves in a threaded manner.

In this embodiment, how to implement the installation between the grid mesh plate 6 and the hollowed-out housing 1 is further elaborated, and it should be explained that the first internal thread grooves are formed in the two vertical plates located at the outermost sides.

Specifically, as shown in fig. 1 and fig. 3, the grid mesh plate 6 and the two end covers 2 are detachably connected through a plurality of second mounting screws, a plurality of uniformly distributed second screw holes are formed in one ends, away from the two end covers 2, of the grid mesh plate 6, a plurality of uniformly distributed second inner thread grooves are formed in both ends of the grid mesh plate, and the second mounting screws are connected between the second screw holes and the second inner thread grooves in a threaded manner.

In this embodiment, how to implement the installation between the grid mesh plate 6 and the end cover 2 is further described, it should be described that the second internal thread groove is formed in the transverse plate.

Specifically, as shown in fig. 1, the lower ends of the two end caps 2 are fixed with the stabilizing seats 3, two clamping grooves 4 are formed in the ends of the two stabilizing seats 3 away from each other, and the two clamping grooves 4 are respectively located on the front side and the rear side of the stabilizing seat 3.

In this embodiment, the arrangement of the two stabilizing seats 3 further increases the stability of the vehicle-mounted charger.

What need further explain, the utility model discloses in all electrical components all with external power source electric connection, accurate electronic components 7, radiator fan 8 and high-power components and parts 9 all can select different models according to actual need, and this is no longer repeated.

Specifically, the utility model discloses when using, because airtight space and open space have been formed between fretwork casing 1 and the end cover 2, arrange accurate electronic components 7 in the seal space, because accurate electronic components 7 need fine protection, and accurate electronic components 7 are difficult for generating heat, can carry out good dustproof and waterproof protection to accurate electronic components 7, and high-power components 9 receive water and dust to influence very little, and easily waterproof dustproof processing, place it and carry out good heat dissipation in open space, through two radiator fan 8's effect, further increase its radiating effect, the utility model discloses waterproof dustproof performance is good, simple structure, thinks about ingeniously, and the practicality is strong.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a semi-enclosed vehicle-mounted charger, includes fretwork casing (1), its characterized in that: detachable is provided with grid graticule mesh board (6) in fretwork casing (1), the upper end of grid graticule mesh board (6) is fixed with accurate electronic components (7), the mounting groove has been seted up in grid graticule mesh board (6), the mounting groove internal fixation has radiator fan (8) and high-power components and parts (9), the surface activity cover of fretwork casing (1) is equipped with two end covers (2), and can dismantle between end cover (2) and grid graticule mesh board (6) and be connected, a plurality of evenly distributed's louvre (5) are seted up to the lower part of end cover (2), and louvre (5) and grid graticule mesh board (6) intercommunication, two form airtight space between one end upper portion that end cover (2) kept away from mutually and fretwork casing (1), and form open space between two end cover (2) one end lower parts of keeping away from mutually and fretwork casing.

2. The semi-closed vehicle-mounted charger according to claim 1, characterized in that: grid net board (6) are including diaphragm and riser, the riser is provided with a plurality ofly, the diaphragm is fixed in the upper end of a plurality of risers, forms the ventilation clearance between a plurality of risers.

3. The semi-closed vehicle-mounted charger according to claim 2, characterized in that: the grid mesh plate is characterized in that the hollowed-out casing (1) is detachably connected with the grid mesh plate (6) through a plurality of first mounting screws, a plurality of first screw holes which are uniformly distributed are formed in the front end and the rear end of the hollowed-out casing (1), a plurality of first inner thread grooves which are uniformly distributed are formed in the front end and the rear end of the grid mesh plate (6), and the first mounting screws are in threaded connection between the first screw holes and the first inner thread grooves.

4. The semi-closed vehicle-mounted charger according to claim 3, characterized in that: grid net board (6) and two end covers (2) between all can dismantle through a plurality of second mounting screws and be connected, two a plurality of evenly distributed's second screw is all seted up to the one end that end cover (2) kept away from mutually, a plurality of evenly distributed's second internal thread groove is all seted up at both ends about grid net board (6), second mounting screw threaded connection is between second screw and second internal thread groove.

5. The semi-closed vehicle-mounted charger according to claim 4, characterized in that: the heat dissipation fan (8) and the high-power component (9) are fixed on the inner wall of the mounting groove through an adhesive, the number of the heat dissipation fans (8) is two, and the two heat dissipation fans (8) are transversely distributed side by side.

6. The semi-closed vehicle-mounted charger according to claim 5, characterized in that: the lower ends of the two end covers (2) are respectively fixed with a stabilizing base (3), two clamping grooves (4) are formed in one end, away from the stabilizing base (3), of each stabilizing base, and the two clamping grooves (4) are respectively located on the front side and the rear side of the stabilizing base (3).

7. The semi-closed vehicle-mounted charger according to any one of claims 1 to 6, characterized in that: the hollow shell (1) is made of aluminum alloy, and the surface of the hollow shell (1) is galvanized.