CN210404810U

CN210404810U - Reinforced heat dissipation type vehicle-mounted charger

Info

Publication number: CN210404810U
Application number: CN201921521226.0U
Authority: CN
Inventors: 李�杰; 余亚东
Original assignee: Pingdingshan University
Current assignee: Pingdingshan University
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-24
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to the technical field of accessories of heat dissipation equipment, in particular to a reinforced heat dissipation type vehicle-mounted charger, which not only can improve the heat dissipation effect, but also can effectively filter the air blown into the vehicle-mounted charger by a heat dissipation device, thereby greatly reducing the amount of dust contained in the air blown into the vehicle-mounted charger assembly by a heat dissipation mechanism, namely reducing the influence of the dust on the heat dissipation effect of the vehicle-mounted charger and simultaneously reducing the cleaning difficulty of the vehicle-mounted charger; the box shell of the vehicle-mounted charger is internally provided with a battery module, an alternating current input module for charging the battery module, a direct current output module for outputting direct current outwards and an overload protection module; the inner wall of the box shell is provided with a plurality of module mounting plates in a vertical or horizontal state, one or two surfaces of each module mounting plate are distributed with a plurality of Z-shaped convex blocks protruding out of the surface of the module mounting plate, and a heat dissipation channel is formed between every two adjacent Z-shaped convex blocks.

Description

Reinforced heat dissipation type vehicle-mounted charger

Technical Field

The utility model relates to on-vehicle technical field that charges, specific reinforce on-vehicle machine that charges of heat dissipation type that says so.

Background

The vehicle-mounted charger is fixedly arranged on the electric automobile, has the capability of safely and automatically charging the power battery of the electric automobile, and can dynamically adjust charging current or voltage parameters according to data provided by a battery management system, execute corresponding actions and complete the charging process. The heat dissipation device for the vehicle-mounted charger is a device used for dissipating heat for the vehicle-mounted charger in the process of charging the battery of the electric automobile by the vehicle-mounted charger, and is widely used in the field of application of the vehicle-mounted charger.

The existing heat dissipation device for the vehicle-mounted charger comprises a vehicle-mounted charger component and a heat dissipation mechanism, wherein the heat dissipation mechanism is installed at the top of the vehicle-mounted charger component and is provided with a mounting frame, a motor, two groups of fixing rods and a fan feeding blade component; when the existing heat dissipation device for the vehicle-mounted charger is used, after the vehicle-mounted charger assembly enters a working state, the motor of the heat dissipation mechanism acts to drive the air supply fan blade assembly to rotate rapidly at the moment, and the air supply fan blade assembly blows air to cool the vehicle-mounted charger assembly through self rapid rotation.

However, the external load type heat dissipation device generally causes the size of the vehicle-mounted charger to be increased, and the vehicle-mounted charger is inconvenient to mount; besides, when the charging environment of the electric automobile is large in dust, the heat dissipation mechanism contains a large amount of dust in the air blown into the vehicle-mounted charger assembly, so that the heat dissipation effect of the vehicle-mounted charger is reduced, the cleaning difficulty of the vehicle-mounted charger is increased, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve current on-vehicle machine that charges load heat abstractor size great, the inconvenient problem of installation, the utility model provides an on-vehicle machine that charges of enhanced heat dissipation type, this machine that charges is through reforming transform the case shell, set up the module mounting panel in its inside, arrange "Z" shape lug formation a plurality of heat dissipation channel on the module mounting panel simultaneously, later install easy heating circuit board or components and parts in the machine that will charge on these module mounting panels, thereby make easy heating circuit board components and parts disperse each other in the case shell, make the heat be difficult to gather, and simultaneously, heat dissipation channel's existence, make air supply fan leaf component cooperation heat dissipation channel distribute away the heat as early as possible. Meanwhile, a fine filter screen cylinder and bristles are additionally arranged outside to clean the fine filter screen cylinder, so that the problem of dust in a sand-dust environment is solved.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a strengthening heat dissipation type vehicle-mounted charger is characterized in that a box shell of the vehicle-mounted charger is internally provided with a battery module, an alternating current input module for charging the battery module, a direct current output module for outputting direct current outwards and an overload protection module, an air supply fan blade assembly for blowing cooling air into the box shell is arranged on the box shell, a plurality of module mounting plates in a vertical or horizontal state are arranged on the inner wall of the box shell, one end of each module mounting plate is not contacted with any component, a plurality of isolated mounting plate positions are formed in the box shell, a plurality of Z-shaped convex blocks protruding out of the surface of each module mounting plate are distributed on one surface or two surfaces of each module mounting plate, heat dissipation channels are formed between adjacent Z-shaped convex blocks, and easily heating circuit boards or components in each module in the vehicle-mounted charger are arranged on the heat dissipation channels, so that cooling air sent by the air supply fan blade assembly directly acts on the easily heating circuit boards or components through the heat dissipation channels, and a heat dissipation exhaust grille is arranged on the side wall of the box shell to exhaust the box shell.

The utility model discloses an optimal implementation scheme does, the case shell top still is equipped with external heat dissipation reinforcing means, and this external heat dissipation reinforcing means is provided with mounting bracket, motor, two sets of dead levers and send fan leaf subassembly, and the top of mounting bracket is run through and is provided with the flow hole, and the inner of two sets of dead levers is connected with the left end and the right-hand member of motor respectively, and the outer end of two sets of dead levers is connected with the left end and the right-hand member of the inside wall in flow hole respectively, and the output of motor is connected with the stiff end that sends fan leaf subassembly.

The other preferred embodiment of the utility model is that the external heat dissipation enhancing device further comprises a plurality of groups of support rods, a fine filter screen cylinder, a power plate, a speed reducing motor, a driving rod and a brush rod, wherein the bottom ends of the plurality of groups of support rods are all uniformly connected with the top end of the mounting frame, the top ends of the plurality of groups of support rods are all uniformly connected with the bottom edge region of the power plate, the top ends and the bottom ends of the fine filter screen cylinder are respectively connected with the bottom edge region of the power plate and the top end of the mounting frame, the outer ends of the plurality of groups of support rods are all clung to the inner side wall of the fine filter screen cylinder, the middle part of the top end of the power plate is provided with an extending hole in a penetrating way, the output end of the speed reducing motor passes through the extending hole from the power plate and extends to the upper side of the power plate, the top end, the right-hand member of drive pole is provided with coupling assembling, the top and the coupling assembling of brush-holder stud are connected, the lower part region evenly is provided with the multiunit brush hair in the left end of brush-holder stud, the left end of multiunit brush hair all slides with the lateral wall of a thin filter screen section of thick bamboo and hugs closely.

The utility model discloses a another kind of preferred embodiment does, coupling assembling is including promoting spring, sliding block and synchronizing bar, the regional inside promotion chamber that is provided with in right part of drive pole, the bottom intercommunication that promotes the chamber is provided with the synchronization hole, the sliding block slides with the promotion chamber and clamps, the left end and the right-hand member that promote the spring are hugged closely with the right-hand member of sliding block and the right-hand member that promotes the chamber respectively, the synchronization hole slides with the synchronizing bar and clamps, the top and the bottom of synchronizing bar are connected with the bottom of sliding block and the top of brush-holder stud respectively.

The utility model discloses a another kind of preferred embodiment does, external heat dissipation reinforcing means still includes forced draught blower subassembly, locating plate and intake pipe, the right-hand member of locating plate is connected with the left end top of the on-vehicle machine subassembly that charges, the bottom of forced draught blower subassembly is connected with the top of locating plate, the upside output of intake pipe and the left side input of forced draught blower subassembly intercommunication.

The utility model discloses a another preferred embodiment does, the intake pipe bottom is provided with the draw-in groove, and this draw-in groove inside callipers is equipped with the filter, and the center of filter is provided with the bleeder vent, is provided with the filter screen in this bleeder vent.

The utility model discloses a another kind of preferred embodiment does, be provided with the inside kuppe that has the water conservancy diversion chamber on the right side output of forced draught blower subassembly, the left end in water conservancy diversion chamber and the right side output intercommunication of forced draught blower subassembly, the right-hand member intercommunication in water conservancy diversion chamber is provided with the multiunit air outlet.

The utility model discloses a another kind of preferred embodiment does, the top left side and the right side and the bottom left side and the right side of sliding block are provided with four group's auxiliary tanks respectively, the inside in four group's auxiliary tanks all rotates and is provided with the auxiliary wheel, and every group's auxiliary wheel all rotates with the inside wall that promotes the chamber and hugs closely.

The utility model discloses a another kind of preferred embodiment does, the top intercommunication that stretches out the hole is provided with firm groove, is provided with firm bearing in this firm inslot, firm bearing is connected with gear motor's output interference.

The utility model discloses a another kind of preferred embodiment does, the side symmetry of case shell is provided with two sets of handles of controlling, and these two sets of the inner of controlling the handle are connected with the front end and the rear end of case shell respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the module mounting plates with the Z-shaped bumps on the surfaces are arranged in the box shell in a vertical or horizontal state, the heat dissipation channels are formed among the Z-shaped bumps, and then the circuit boards or components which are easy to heat and form in each module in the vehicle-mounted charger are selectively mounted on the heat dissipation channels on the different module mounting plates, so that the components which are easy to heat are separated, and the heat dissipation channels are matched with the air supply fan blade components, so that cooling air flow directly reaches the lower parts of the circuit boards or the components which are easy to heat, and the heat dissipation effect is improved;

2) no matter how the charging environment of the electric automobile is, whether the sand wind is large or not, before the heat dissipation device blows air into the vehicle-mounted charger, the air is filtered by the fine filter screen cylinder, at the moment, solid particles in the air are filtered by the fine filter screen cylinder on the outer side or are adhered to the outer side wall of the fine filter screen cylinder, when the vehicle-mounted charger works, the speed reduction motor synchronously rotates, the output end of the speed reduction motor drives the brush rod to rotate around the fine filter screen cylinder through the connecting component of the driving rod, at the moment, multiple groups of brush hairs of the brush rod continuously brush the outer side wall of the fine filter screen cylinder to brush the adhered dust on the side wall of the fine filter screen cylinder so as to ensure that the fine filter screen cylinder can continuously and normally work, so that the air blown into the vehicle-mounted charger by the heat dissipation device is effectively filtered, and the amount of the dust in the air blown into the vehicle-mounted charger by the heat dissipation mechanism is greatly reduced, the influence of dust to the radiating effect of the vehicle-mounted charger is reduced, and the cleaning difficulty of the vehicle-mounted charger is reduced, so that the practicability is enhanced.

Drawings

Fig. 1 is a schematic view of a connection structure of a module mounting plate and a "Z" shaped bump according to the present invention;

FIG. 2 is a schematic view of the connection structure of the heat dissipation air discharge grille and the heat dissipation channel of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure of fig. 3 according to the present invention;

FIG. 5 is a schematic view of the connection structure of the fine filter screen cylinder and the multiple groups of support rods;

FIG. 6 is a schematic view of the connection structure of the auxiliary wheel and the sliding block of the present invention;

fig. 7 is a schematic view of a connection structure of the blower assembly and the air guide sleeve of the present invention;

fig. 8 is a schematic view of a connection structure of a plurality of air outlets and a dome according to the present invention;

reference numerals: 1. the device comprises a box shell, 101, a module mounting plate, 102, a Z-shaped bump, 103, a heat dissipation exhaust grille, 104, a heat dissipation channel, 105, an easily heating circuit board or component, 2, a mounting rack, 3, a motor, 4, two groups of fixing rods, 5, an air supply fan blade component, 6, a flow hole, 7, multiple groups of supporting rods, 8, a fine filter screen cylinder, 9, a power plate, 10, a speed reducing motor, 11, a driving rod, 12, a brush rod, 13, an extending hole, 14, multiple groups of bristles, 15, a pushing spring, 16, a sliding block, 17, a synchronizing rod, 18, a pushing cavity, 19, a synchronizing hole, 20, an air supply fan component, 21, a positioning plate, 22, an air inlet pipe, 23, a filter plate, 24, a clamping groove, 25, a filter screen, 26, a flow guide cover, 27, multiple groups of air outlets, 28, four groups of auxiliary grooves, 29, auxiliary wheels, 30, two groups of.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1

A heat dissipation enhancing type vehicle-mounted charger is disclosed, as shown in figure 1-2, a battery module, an alternating current input module for charging the battery module, a direct current output module for outputting direct current outwards and an overload protection module are arranged in a case shell 1 of the vehicle-mounted charger, an air supply fan blade component 5 for blowing cooling air into the case shell 1 is arranged on the case shell 1, a plurality of module mounting plates 101 in a vertical or horizontal state are arranged on the inner wall of the case shell 1, one end of each module mounting plate 101 is not contacted with any component, so that a plurality of isolated mounting plate positions are formed in the case shell 1, a plurality of Z-shaped convex blocks 102 protruding out of the surface of each module mounting plate 101 are distributed on one surface or two surfaces of each module mounting plate 101, heat dissipation channels 104 are formed between adjacent Z-shaped convex blocks 102, and easily-heating circuit boards or components 105 in each module in the vehicle-mounted charger are arranged on the heat dissipation channels 104, so that the cooling air fed by the air supply fan blade assembly 5 directly acts on the circuit board or component 105 which is easy to generate heat through the heat dissipation channels 104, and is exhausted out of the box shell 1 through the heat dissipation exhaust grille 103 arranged on the side wall of the box shell 1.

In this embodiment, by disposing the module mounting boards 101 having the "Z" shaped bumps on the vertical or horizontal surfaces in the housing 1, and forming the heat dissipation channels 104 between the "Z" shaped bumps 102, and then selectively mounting the circuit boards or components 105 that easily generate heat in the modules in the vehicle-mounted charger on the heat dissipation channels 104 on the different module mounting boards 101, the "Z" shaped bumps 102 are actually formed by sequentially connecting three plate-like members, and the first and third plates are parallel, and the second plate and the first plate form an included angle of 90-150 degrees, so that the components that easily generate heat are separated, and the heat dissipation channels 104 are matched with the blower fan blade assembly 5, so that the cooling air flow reaches the lower surfaces of the circuit boards or components that easily generate heat, thereby improving the heat dissipation effect.

The basic embodiments of the present invention are described above, and further improvements, optimizations and limitations can be made on the above basis, so as to obtain the following embodiments:

example 2

This embodiment is an improved scheme based on embodiment 1, and the main structure of the embodiment is the same as that of embodiment 1, except that: as shown in fig. 3, case shell 1 top still is equipped with external heat dissipation reinforcing means, and this external heat dissipation reinforcing means is provided with mounting bracket 2, motor 3, two sets of dead lever 4 and air supply fan blade subassembly 5, and the top of mounting bracket 2 is run through and is provided with flow hole 6, and the inner of two sets of dead lever 4 is connected with the left end and the right-hand member of motor 3 respectively, and the outer end of two sets of dead lever 4 is connected with the left end and the right-hand member of the inside wall of flow hole 6 respectively, and the output of motor 3 is connected with the stiff end of air supply fan blade subassembly 5. The heat dissipation effect is further improved by the external heat dissipation enhancing device.

Example 3

This embodiment is an improved scheme based on embodiment 2, and the main structure thereof is the same as embodiment 2, except that: as shown in fig. 3 and 5, the external heat dissipation enhancing device further includes a plurality of sets of support rods 7, a fine filter screen cylinder 8, a power plate 9, a speed reduction motor 10, a driving rod 11 and a brush rod 12, wherein the bottom ends of the plurality of sets of support rods 7 are all uniformly connected with the top end of the mounting frame 2, the top ends of the plurality of sets of support rods 7 are all uniformly connected with the bottom end edge region of the power plate 9, the top end and the bottom end of the fine filter screen cylinder 8 are respectively connected with the bottom end edge region of the power plate 9 and the top end of the mounting frame 2, the outer ends of the plurality of sets of support rods 7 are all tightly attached to the inner side wall of the fine filter screen cylinder 8, an extending hole 13 is arranged in the middle of the top end of the power plate 9 in a penetrating manner, the output end of the speed reduction motor 10 passes through the extending hole 13 from the power plate 9 and extends to the upper side of the power plate 9, the top end of, the right-hand member of drive pole 11 is provided with coupling assembling, the top and the coupling assembling of brush-holder stud 12 are connected, the lower part region evenly is provided with multiunit brush hair 14 in the left end of brush-holder stud 12, the left end of multiunit brush hair 14 all slides with the lateral wall of a thin filter screen section of thick bamboo 8 and hugs closely.

In this embodiment, no matter how the charging environment of the electric vehicle is, whether the wind and sand are large or not, before the heat dissipation device blows air into the vehicle-mounted charger, the air is filtered by the fine filter screen cylinder 8, at this time, solid particles in the air are filtered by the fine filter screen cylinder 8 on the outer side or adhered to the outer side wall of the vehicle-mounted charger, while the vehicle-mounted charger works, the speed reduction motor 10 synchronously rotates, at this time, the output end of the speed reduction motor 10 drives the brush rod 12 to rotate around the fine filter screen cylinder 8 through the connecting component of the driving rod 11, at this time, the multiple groups of bristles 14 of the brush rod 12 continuously brush the outer side wall of the fine filter screen cylinder 8, so as to brush off adhered dust on the side wall of the fine filter screen cylinder 8, so as to ensure that the fine filter screen cylinder 8 can continuously and normally work, thereby effectively filtering the air blown into the vehicle-mounted charger by the heat dissipation device, therefore, the quantity of dust contained in the air blown into the vehicle-mounted charger assembly by the heat dissipation mechanism is greatly reduced, namely, the influence of the dust on the heat dissipation effect of the vehicle-mounted charger is reduced, and meanwhile, the cleaning difficulty of the vehicle-mounted charger is reduced, so that the practicability is enhanced.

Example 4

This embodiment is an improved scheme based on embodiment 3, and the main structure thereof is the same as embodiment 3, except that: as shown in fig. 4, the connecting assembly includes a pushing spring 15, a sliding block 16 and a synchronizing rod 17, a pushing cavity 18 is provided inside a right region of the driving rod 11, a synchronizing hole 19 is provided at a bottom end of the pushing cavity 18 in a communicating manner, the sliding block 16 is slidably clamped with the pushing cavity 18, a left end and a right end of the pushing spring 15 are respectively attached to a right end of the sliding block 16 and a right end of the pushing cavity 18, the synchronizing hole 19 is slidably clamped with the synchronizing rod 17, and a top end and a bottom end of the synchronizing rod 17 are respectively connected with a bottom end of the sliding block 16 and a top end of the brush rod 12.

In this embodiment, promote sliding block 16 through promotion spring 15 and make sliding block 16 keep the trend of sliding left all the time in promoting chamber 18, at this moment sliding block 16 then drives the multiunit brush hair of brush-holder stud 12 through synchronizing bar 17 and keeps the state of hugging closely to fine filtration net section of thick bamboo 8 all the time, the promotion spring 15 of here design is softer, can not produce too big thrust, then reduced the probability that the phenomenon that the continuous wearing and tearing of multiunit brush hair 14 and break away from with fine filtration net section of thick bamboo 8 took place this moment, the utilization ratio of brush-holder stud 12 has been improved, thereby use limitation has been reduced.

Example 5

This embodiment is an improved scheme based on embodiment 2, and the main structure thereof is the same as embodiment 2, except that: as shown in fig. 3, the external heat dissipation enhancing device further includes a blower assembly 20, a positioning plate 21 and an air inlet pipe 22, the right end of the positioning plate 21 is connected to the top of the left end of the vehicle-mounted charger assembly 1, the bottom end of the blower assembly 20 is connected to the top end of the positioning plate 21, and the upper output end of the air inlet pipe 22 is communicated with the left input end of the blower assembly 20.

In this embodiment, at first install the input of intake pipe 22 at the position of keeping away from on-vehicle machine that charges, then when on-vehicle machine work that charges, start forced draught blower subassembly 20 simultaneously, make forced draught blower subassembly 20 blow to the upside that the on-vehicle machine that charges subassembly position temperature is lower air through intake pipe 22, then realized that the upside air of on-vehicle machine that charges cools down this moment, the temperature of on-vehicle machine operational environment that charges has reduced promptly, make heat abstractor blow to the inside air temperature of on-vehicle machine subassembly that charges is lower, the radiating effect has further been improved, thereby the practicality has been strengthened.

Example 6

This embodiment is an improved scheme based on embodiment 5, and the main structure thereof is the same as that of embodiment 5, except that: as shown in fig. 3, a clamping groove 24 is formed at the bottom end of the air inlet pipe 22, a filter plate 23 is clamped in the clamping groove 24, a vent hole is formed in the center of the filter plate 23, and a filter screen 25 is arranged in the vent hole.

In the present embodiment, the probability of large foreign matters entering the blower assembly 20 through the intake duct 22 is reduced by the filter screen 25 of the filter plate 23, and the failure rate of the blower assembly 20 is reduced, thereby enhancing the practicability.

Example 7

This embodiment is an improved scheme based on embodiment 5, and the main structure thereof is the same as that of embodiment 5, except that: as shown in fig. 7 and 8, a diversion cover 26 having a diversion cavity therein is disposed on the right output end of the blower assembly 20, the left end of the diversion cavity is communicated with the right output end of the blower assembly 20, and the right end of the diversion cavity is communicated with a plurality of air outlets 27.

In this embodiment, the range of blowing of forced draught blower subassembly 20 has been increased through kuppe 26, has improved the effect for the vehicle-mounted machine surrounding environment cooling that charges to the practicality has been strengthened.

Example 8

This embodiment is an improved scheme based on embodiment 4, and the main structure thereof is the same as that of embodiment 4, except that: as shown in fig. 6, four sets of auxiliary grooves 28 are respectively disposed on the left and right sides of the top end and the left and right sides of the bottom end of the sliding block 16, auxiliary wheels 29 are rotatably disposed inside the four sets of auxiliary grooves 28, and each set of auxiliary wheels 29 is closely attached to the inner side wall of the pushing cavity 18.

In this embodiment, the sliding friction between sliding block 16 and pushing cavity 18 is changed into rolling friction by auxiliary wheel 29, so that the friction resistance is greatly reduced, the sliding process of sliding block 16 is smoother, and the reliability is enhanced.

Example 9

This embodiment is an improved scheme based on embodiment 3, and the main structure thereof is the same as embodiment 3, except that: as shown in fig. 3, a stabilizing groove is provided in the top end of the extending hole 13, a stabilizing bearing 31 is provided in the stabilizing groove, and the stabilizing bearing 31 is in interference connection with the output end of the speed reduction motor 10.

In the present embodiment, the sliding friction between the protruding hole 13 and the output end of the reduction motor 10 is changed into rolling friction by the stabilizing bearing 31, so that the wear of the protruding hole 13 is reduced, and the rotational stability of the output end of the reduction motor 10 is improved.

Example 10

This embodiment is an improved scheme based on embodiment 2, and the main structure thereof is the same as embodiment 2, except that: as shown in fig. 3, two sets of operating handles 30 are symmetrically arranged on the side of the cabinet 1, and the inner ends of the two sets of operating handles 30 are respectively connected with the front end and the rear end of the cabinet 1.

In this embodiment, make the dismouting of on-vehicle machine subassembly of charging remove the more convenience of process through two sets of handles 30 of controlling to the convenience has been strengthened.

When the utility model works, the module mounting plates 101 with Z-shaped convex blocks 102 are arranged on the surfaces of the vertical or horizontal state in the box shell 1, the heat dissipation channels 104 are formed among the Z-shaped convex blocks 102, then the circuit boards or components 105 which are easy to heat and form each module in the vehicle-mounted charger are selectively mounted on the heat dissipation channels 104 on the different module mounting plates 104, thereby the components which are easy to heat are separated, the heat dissipation channels 104 are matched with the air supply fan blade assemblies 5, the cooling air flow is directly led to the lower parts of the circuit boards or the components which are easy to heat, and after the vehicle-mounted charger assembly enters the working state, the motor of the heat dissipation mechanism acts to drive the air supply fan blade assemblies 5 to rotate rapidly, and the air supply fan blade assemblies 5 rotate rapidly to cool the vehicle-mounted charger assembly through self, regardless of the charging environment of the electric vehicle, whether the wind and sand are large or not, before the heat dissipation device blows air into the vehicle-mounted charger, the air is filtered by the fine filter screen cylinder 8, at this time, solid particles in the air are filtered by the fine filter screen cylinder 8 on the outer side or adhered to the outer side wall of the vehicle-mounted charger, while the vehicle-mounted charger works, the speed reduction motor 10 synchronously rotates, at this time, the output end of the speed reduction motor 10 drives the brush rod 12 to rotate around the fine filter screen cylinder 8 through the connecting component of the driving rod 11, at this time, the multiple groups of bristles 14 of the brush rod 12 continuously brush the outer side wall of the fine filter screen cylinder 8, so that dust adhered to the side wall of the fine filter screen cylinder 8 is brushed off, and the fine filter screen cylinder 8 can continuously and normally work.

Claims

1. The utility model provides an on-vehicle machine that charges of enhanced heat dissipation type, has battery module, the alternating current input module who charges for battery module, direct current output module and the overload protection module of export direct current in this on-vehicle machine that charges's case shell (1), be provided with on case shell (1) to blowing fan blade subassembly (5) of cooling wind in shell (1), its characterized in that: a plurality of module mounting plates (101) in vertical or horizontal state are arranged on the inner wall of the box shell (1), one end of each module mounting plate (101) is not contacted with any component so as to form a plurality of isolated mounting plate positions in the box shell (1), one or two surfaces of the module mounting plate (101) are distributed with a plurality of Z-shaped convex blocks (102) protruding out of the surface, heat dissipation channels (104) are formed between the adjacent Z-shaped convex blocks (102), and the easy-heating circuit boards or components (105) in each module in the vehicle-mounted charger are arranged on the heat dissipation channels (104), so that the cooling air sent by the air sending fan blade component (5) directly acts on the easy heating circuit board or component (105) through the heat dissipation channels (104), and a heat dissipation and air exhaust grille (103) is arranged on the side wall of the box shell (1) to be exhausted out of the box shell (1).

2. The enhanced heat dissipation type vehicle-mounted charger according to claim 1, characterized in that: case shell (1) top still is equipped with external heat dissipation reinforcing means, this external heat dissipation reinforcing means is provided with mounting bracket (2), motor (3), two sets of dead lever (4) and air supply fan leaf subassembly (5), the top of mounting bracket (2) is run through and is provided with flow hole (6), the inner of two sets of dead lever (4) is connected with the left end and the right-hand member of motor (3) respectively, the outer end of two sets of dead lever (4) is connected with the left end and the right-hand member of the inside wall of flow hole (6) respectively, the output of motor (3) is connected with the stiff end of air supply fan leaf subassembly (5).

3. The enhanced heat dissipation type vehicle-mounted charger according to claim 2, characterized in that: the external heat dissipation enhancing device further comprises a plurality of groups of supporting rods (7), a fine filter screen cylinder (8), a power plate (9), a speed reduction motor (10), a driving rod (11) and a brush rod (12), wherein the bottom ends of the groups of supporting rods (7) are uniformly connected with the top end of the mounting rack (2), the top ends of the groups of supporting rods (7) are uniformly connected with the bottom edge region of the power plate (9), the top end and the bottom end of the fine filter screen cylinder (8) are respectively connected with the bottom edge region of the power plate (9) and the top end of the mounting rack (2), the outer ends of the groups of supporting rods (7) are tightly attached to the inner side wall of the fine filter screen cylinder (8), a stretching hole (13) is arranged in the middle of the top end of the power plate (9) in a penetrating manner, the output end of the speed reduction motor (10) stretches out of the stretching hole (13) and stretches out of the upper side of the, the top of gear motor (10) is connected with the bottom of power plate (9), the output of gear motor (10) is connected with the regional bottom in the left part of drive pole (11), the right-hand member of drive pole (11) is provided with coupling assembling, the top and the coupling assembling of brush-holder stud (12) are connected, the lower part region evenly is provided with multiunit brush hair (14) in the left end of brush-holder stud (12), the left end of multiunit brush hair (14) all slides with the lateral wall of thin filter screen section of thick bamboo (8) and hugs closely.

4. The enhanced heat dissipation type vehicle-mounted charger according to claim 3, characterized in that: coupling assembling is including promoting spring (15), sliding block (16) and synchronizing bar (17), the regional inside promotion chamber (18) that is provided with in right part of drive pole (11), the bottom intercommunication that promotes chamber (18) is provided with synchronization hole (19), sliding block (16) slide with promotion chamber (18) and clamp, the left end and the right-hand member that promote spring (15) are hugged closely with the right-hand member of sliding block (16) and the right-hand member that promotes chamber (18) respectively, synchronization hole (19) slide with synchronizing bar (17) and clamp, the top and the bottom of synchronizing bar (17) are connected with the bottom of sliding block (16) and the top of brush yoke (12) respectively.

5. The enhanced heat dissipation type vehicle-mounted charger according to claim 2, characterized in that: external heat dissipation reinforcing means still includes forced draught blower subassembly (20), locating plate (21) and intake pipe (22), the right-hand member of locating plate (21) is connected with the left end top of on-vehicle machine subassembly (1) that charges, the bottom of forced draught blower subassembly (20) is connected with the top of locating plate (21), the upside output of intake pipe (22) and the left side input intercommunication of forced draught blower subassembly (20).

6. The enhanced heat dissipation type vehicle-mounted charger according to claim 5, characterized in that: the air inlet pipe is characterized in that a clamping groove (24) is formed in the bottom end of the air inlet pipe (22), a filtering plate (23) is clamped in the clamping groove (24), an air hole is formed in the center of the filtering plate (23), and a filtering net (25) is arranged in the air hole.

7. The enhanced heat dissipation type vehicle-mounted charger according to claim 5, characterized in that: the right side output end of forced draught blower subassembly (20) is provided with inside kuppe (26) that have the water conservancy diversion chamber, and the left end in water conservancy diversion chamber and the right side output intercommunication of forced draught blower subassembly (20), the right-hand member intercommunication in water conservancy diversion chamber is provided with multiunit air outlet (27).

8. The enhanced heat dissipation type vehicle-mounted charger according to claim 4, characterized in that: the top left side and the right side and the bottom left side and the right side of sliding block (16) are provided with four groups of auxiliary tank (28) respectively, the inside in four groups of auxiliary tank (28) all rotates and is provided with auxiliary wheel (29), and every group of auxiliary wheel (29) all rotates with the inside wall that promotes chamber (18) and hugs closely.

9. The enhanced heat dissipation type vehicle-mounted charger according to claim 3, characterized in that a stabilizing groove is arranged at the top end of the extending hole (13) in a communicating manner, a stabilizing bearing (31) is arranged in the stabilizing groove, and the stabilizing bearing (31) is in interference connection with the output end of the speed reduction motor (10).

10. The enhanced heat dissipation type vehicle-mounted charger according to claim 1, characterized in that: two groups of control handles (30) are symmetrically arranged on the side surface of the box shell (1), and the inner ends of the two groups of control handles (30) are respectively connected with the front end and the rear end of the box shell (1).