CN218976382U

CN218976382U - Double-rail heat dissipation portable low-speed vehicle charger

Info

Publication number: CN218976382U
Application number: CN202223397373.6U
Authority: CN
Inventors: 徐成宪
Original assignee: Guangzhou Kingpan Industrial Co ltd
Current assignee: Guangzhou Kingpan Industrial Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-05
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of electric vehicle chargers, and particularly relates to a double-rail heat-dissipation portable low-speed vehicle charger, which comprises a lower shell, wherein an upper shell is fixedly connected to the top end of the lower shell, a charging head and a power supply socket are arranged at the joint of the lower shell and the upper shell in a clamping manner, a plurality of spring telescopic rods are fixedly connected to the bottom end of the inner wall of the lower shell, the top ends of the plurality of spring telescopic rods are abutted to a circuit board, a charging module is arranged at the top end of the circuit board, a buffer structure is fixedly arranged at the bottom end of the inner wall of the lower shell, a sealing strip is arranged at the top end of the buffer structure, a heat dissipation structure is arranged at the inner wall of the upper shell, and the heat dissipation structure is matched with the buffer structure; according to the utility model, the heat radiation structure and the buffer structure are matched and linked, so that the buffer structure can be filled and abutted against the circuit board when the heat radiation structure radiates heat, the circuit board is buffered and protected by air, and the spring telescopic rod is arranged to be matched with the buffer structure to buffer impact force from all directions.

Description

Double-rail heat dissipation portable low-speed vehicle charger

Technical Field

The utility model belongs to the technical field of electric vehicle chargers, and particularly relates to a double-rail heat-dissipation portable low-speed vehicle charger.

Background

The lithium battery charger of the electric low-speed vehicle is a charging device which is specially used for charging a lithium ion battery and then transmitting the lithium ion battery to a storage battery of an electric bicycle, and usually elements in the charger are fixedly arranged in a charger shell through screws, so that the outer shell does not have a buffering protection effect on internal elements when the charger is impacted;

application number 202121119653.3 discloses a portable electronic low-speed car lithium battery charger, and it is through charger body, casing, splint, connecting rod, first attenuator, first spring, sleeve board, second spring, branch, wire body, backup pad, the cooperation of rolling up pole and bull stick, possesses the effect of protecting the charger, but because its connecting rod is articulated with branch, consequently not good to the buffering effect of the impact force of perpendicular to both connection direction.

Therefore, it is necessary to invent a dual rail heat dissipating portable low speed car charger to solve the above problems.

Disclosure of Invention

In order to solve the problems, the utility model provides the portable double-track heat dissipation low-speed vehicle charger, wherein the heat dissipation structure is linked with the buffer structure, so that the buffer structure is filled with gas, the spring telescopic rod is arranged, and the impact force from all directions is buffered by utilizing the gas and the spring telescopic rod, so that the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable low-speed car charger of double track heat dissipation, including lower casing, the top fixedly connected with of lower casing goes up the casing, and charging head and power supply socket are installed to the junction block of lower casing and last casing, and the bottom fixedly connected with of lower shells inner wall a plurality of spring telescopic links, and the top butt of a plurality of spring telescopic links has the circuit board, and the module that charges is installed on the top of circuit board, and the buffer structure is installed to the bottom fixedly installed of lower shells inner wall, and the sealing strip is installed on buffer structure's top, goes up shells inner wall and installs heat radiation structure, heat radiation structure and buffer structure assorted.

Further, the charging head and the power supply socket are electrically connected with the circuit board, two jacks are formed in the power supply socket, and the charging module comprises, but is not limited to, a rectifying and filtering module, a switch module, a transformer module, a high-frequency rectifying module and a control module.

Further, a spring pad is fixedly installed between the inner wall of the base end of the spring telescopic rod and the outer wall of the telescopic end of the spring telescopic rod, a screw hole is formed in the top end of the telescopic end of the spring telescopic rod, a connecting screw is connected to the circuit board in a threaded mode, the bottom end of the connecting screw penetrates through the circuit board, and the end portion of the connecting screw is connected with the spring telescopic rod in a threaded mode.

Further, the junction of casing and last casing down is laminated in the outside of sealing strip, has seted up on the sealing strip with charging head and power supply socket assorted breach.

Further, the buffer structure includes the buffering bottom plate, and shell inner wall's bottom under the bottom fixed connection of buffering bottom plate bottom, and the top laminating of buffering bottom plate has a plurality of buffer bags, and the avris that one side butt circuit board corresponds of buffer bag, fixed arch has a plurality of buffer blocks on the inner wall of buffer bag, and the top laminating of a plurality of buffer bags has the buffer box board, and shell inner wall's avris under the outside fixed connection of buffer box board.

Further, the bottom fixed mounting of buffering box inboard wall has a plurality of intubates, the bottom fixed grafting of going up the intubate corresponds the top of buffering bag inboard wall, the bottom fixed mounting of buffering bottom plate inboard wall has a plurality of intubates down, the bottom and the outside intercommunication of shells inner wall under the bottom fixed grafting of intubate down, the bottom of corresponding buffering bag inboard wall is pegged graft to the top fixed grafting of intubate down, and its tip fixed sleeve has buffer spring, buffer spring's top fixedly connected with I-bar, the intubate down is pegged graft in the middle part of I-bar downwards, and the bottom of I-bar and the bottom phase-match of intubate down.

Further, the heat radiation structure comprises an air inlet fan group and an air outlet fan, one side of the air inlet fan group is fixedly attached to one side of the upper shell inner wall, an air inlet structure is arranged on one side of the air inlet fan group, the top end of the air outlet fan is fixedly connected with the top end of the upper shell inner wall, an air outlet pipe is fixedly connected with an air outlet of the air outlet fan, and one end of the air outlet pipe is fixedly connected with the top end of the inner wall of the buffer box plate.

The utility model has the technical effects and advantages that:

1. when the circuit board is in operation, the heat radiation structure and the buffer structure are in matched linkage, so that the heat radiation structure can send discharged air into the buffer structure when in heat radiation, the buffer bag is enabled to be in full contact with the circuit board, the circuit board is buffered and protected by the air, the spring telescopic rod is arranged, the telescopic direction of the spring telescopic rod is perpendicular to the buffer direction of the buffer structure, and then impact force from all directions is buffered by the buffer structure and the spring telescopic rod.

2. When the device does not work, the buffer block and the spring telescopic rod in the buffer bag can still ensure the basic buffer protection effect, and at the moment, the bottom of the I-shaped rod is abutted against the bottom end of the lower insertion pipe by the buffer spring, the sealing strip blocks the gap between the lower shell and the upper shell, and the air inlet is blocked by the air inlet fan group with high air tightness, so that the device can be regarded as a sealing structure when not used, can play a role in preventing dust and moisture, and avoid the erosion of dust and moisture to the circuit board and the charging module.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a heat dissipation structure according to an embodiment of the present utility model;

FIG. 3 shows a schematic diagram of a circuit board structure according to an embodiment of the utility model;

fig. 4 shows an enlarged schematic view of the structure of fig. 3 at a in accordance with an embodiment of the present utility model.

In the figure: 1. a lower housing; 2. an upper housing; 3. a charging head; 4. a power supply socket; 5. a spring telescoping rod; 6. a circuit board; 601. a charging module; 602. a connecting screw; 7. a buffer structure; 701. a buffer bottom plate; 702. a buffer bladder; 703. a buffer block; 704. a buffer box plate; 705. an upper cannula; 706. a lower cannula; 707. a buffer spring; 708. an I-shaped rod; 8. a sealing strip; 9. a heat dissipation structure; 901. an intake fan group; 902. an air outlet fan; 903. an air inlet structure; 904. and (5) an air outlet pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In general, the components in the charger are fixedly installed in the charger shell through screws, so that when the charger is impacted, the outer shell does not have a buffer protection function on the internal components, and the portable electric low-speed car lithium battery charger disclosed in application number 202121119653.3 has the function of protecting the charger, but has poor buffer effect on impact force perpendicular to the connection direction of the connecting rod and the supporting rod because the connecting rod is hinged with the supporting rod;

therefore, the heat dissipation structure and the buffer structure are linked, so that the buffer structure is filled with gas, the spring telescopic rod is arranged, and the impact force from all directions is buffered by the gas and the spring telescopic rod.

The utility model provides a double-track heat dissipation portable low-speed vehicle charger, which is shown in fig. 1-4, and comprises a lower shell 1, wherein the top end of the lower shell 1 is fixedly connected with an upper shell 2, a charging head 3 and a power supply socket 4 are arranged at the joint of the lower shell 1 and the upper shell 2 in a clamping way, the bottom end of the inner wall of the lower shell 1 is fixedly connected with a plurality of spring telescopic rods 5, the top ends of the plurality of spring telescopic rods 5 are abutted to a circuit board 6, the top end of the circuit board 6 is provided with a charging module 601, the bottom end of the inner wall of the lower shell 1 is fixedly provided with a buffer structure 7, the top end of the buffer structure 7 is provided with a sealing strip 8, the inner wall of the upper shell 2 is provided with a heat dissipation structure 9, and the heat dissipation structure 9 is matched with the buffer structure 7.

According to the utility model, the heat radiation structure 9 is matched and linked with the buffer structure 7, so that when the heat radiation structure 9 radiates heat, the exhausted air is sent into the buffer structure 7, the buffer structure 7 is enabled to be in full contact with the circuit board 6, the circuit board 6 is buffered and protected by the air, the spring telescopic rod 5 is arranged, the telescopic direction of the spring telescopic rod 5 is perpendicular to the buffer direction of the buffer structure 7, and then the impact force from all directions is buffered by the buffer structure 7 and the spring telescopic rod 5.

As shown in fig. 2-3, the charging head 3 and the power supply socket 4 are electrically connected with the circuit board 6, two jacks are provided on the power supply socket 4, and two connecting wires can be plugged in to perform double-track charging, and the charging module 601 includes, but is not limited to, a rectifying and filtering module, a switch module, a transformer module, a high-frequency rectifying module and a control module.

As shown in fig. 2-3, an elastic pad is fixedly installed between the inner wall of the base end of the spring telescopic rod 5 and the outer wall of the telescopic end, so that the telescopic end is allowed to shake radially when impacted, the spring telescopic rod 5 is prevented from being damaged by too strong impact force, a screw hole is formed in the top end of the telescopic end of the spring telescopic rod 5, a connecting screw 602 is connected to the circuit board 6 in a threaded manner, the bottom end of the connecting screw 602 is inserted into the circuit board 6, and the end of the connecting screw is connected with the spring telescopic rod 5 in a threaded manner.

As shown in fig. 2-3, the joint of the lower shell 1 and the upper shell 2 is attached to the outer side of the sealing strip 8, so that the gap between the lower shell 1 and the upper shell 2 can be blocked, the air tightness of the device is improved, a notch matched with the charging head 3 and the power supply socket 4 is formed in the sealing strip 8, namely, the sealing strip 8 is sleeved with the charging head 3 and the power supply socket 4, the joint of the charging head 3 and the power supply socket 4 and the lower shell 1 and the upper shell 2 can be protected, and the air tightness of the joint is improved.

As shown in fig. 2-4, the buffer structure 7 includes a buffer bottom plate 701, the bottom end of the buffer bottom plate 701 is fixedly connected with the bottom end of the inner wall of the lower housing 1, the top end of the buffer bottom plate 701 is attached with a plurality of buffer bags 702, the buffer bags 702 are of soft structure, one side of the buffer bags 702 is abutted against the corresponding side of the circuit board 6, a plurality of buffer blocks 703 are fixedly protruded on the inner wall of the buffer bags 702, when the buffer bags 702 are shrunken, the buffer bags 702 can keep basic buffer function, the top ends of the buffer bags 702 are attached with a buffer box plate 704, the outer sides of the buffer box plate 704 are fixedly connected with the side of the inner wall of the lower housing 1, the bottom ends of the inner wall of the buffer box plate 704 are fixedly provided with a plurality of upper cannulas 705, the bottom ends of the upper cannulas 705 are fixedly spliced with the top ends of the inner wall of the buffer bags 702, the bottom ends of the inner wall of the buffer bottom plate 701 are fixedly provided with a plurality of lower cannulas 706, the bottom ends of the inner wall of the lower housing 1 are communicated with the outside, the top ends of the lower cannulas 706 are fixedly spliced with the bottom ends of the inner walls of the buffer bags 702, the end portions of the buffer springs are fixedly spliced with buffer springs, the top ends of the buffer springs 707 are fixedly spliced with middle portions 708 of the i-shaped bars 708, the bottom ends 708 are fixedly connected with the middle portions 708, and the bottom ends of the lower cannulas 708 are matched with the bottom ends of the lower cannulas 706, and the bottom ends of the lower cannulas 706, and 708 are matched with the bottom ends of the lower cannulas 706.

When the utility model is used, after air is sent into the buffer box plate 704 by the heat dissipation structure 9, the air enters the corresponding buffer bag 702 through the upper insertion pipe 705, so that the buffer bag 702 is enabled to be full from being shrunken, the buffer bag 702 can be abutted against the corresponding side of the circuit board 6, the air pressure in the buffer bag 702 is gradually increased along with the gradual filling of the buffer bag 702, the bottom of the I-shaped rod 708 is finally pushed, the top of the I-shaped rod 708 presses the buffer spring 707, the bottom of the I-shaped rod 708 is no longer attached to the bottom end of the lower insertion pipe 706, and then the air is discharged from the lower insertion pipe 706 for normal heat dissipation, when the buffer bag 702 is full, the air can be used as buffer to counteract the impact force received by the circuit board 6, and the air is used as buffer, so that the buffer force in any direction has a certain buffer effect.

As shown in fig. 2-3, the heat dissipation structure 9 includes an air inlet fan set 901 and an air outlet fan 902, where the air inlet fan set 901 and the air outlet fan 902 are turbo fans, the air tightness is strong, one side of the air inlet fan set 901 is fixedly attached to one side of the inner wall of the upper casing 2, one side of the air inlet fan set 901 is provided with an air inlet structure 903, the top end of the air outlet fan 902 is fixedly connected with the top end of the inner wall of the upper casing 2, the air outlet of the air outlet fan 902 is fixedly connected with an air outlet pipe 904, and one end of the air outlet pipe 904 is fixedly inserted into the top end of the inner wall of the buffer box plate 704.

When the utility model is used, the air inlet fan group 901 pumps air from outside through the air inlet structure 903, and after heat exchange with the circuit board 6 and the charging module 601, the air is sent into the buffer box plate 704 through the air outlet pipe 904 by the air outlet fan 902.

The working principle of the utility model is as follows:

referring to fig. 1-4 of the specification, when the utility model works, the heat dissipation structure 9 and the buffer structure 7 are matched and linked, so that when the heat dissipation structure 9 dissipates heat, the discharged air is sent into the buffer structure 7, the buffer bag 702 is fully abutted against the circuit board 6, the circuit board 6 is buffered and protected by the air, the spring telescopic rod 5 is arranged, the telescopic direction of the spring telescopic rod 5 is perpendicular to the buffer direction of the buffer structure 7, and then the buffer structure 7 and the spring telescopic rod 5 are used for buffering the impact force from all directions.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Double track heat dissipation portable low-speed car charger, including lower casing (1), its characterized in that: the utility model discloses a charging device for the battery pack, including casing (1) and power supply socket, casing (2) are gone up in the top fixedly connected with of casing (1), the junction block of casing (1) and last casing (2) is installed and is charged first (3) and power supply socket (4), the bottom fixedly connected with of casing (1) inner wall down a plurality of spring telescopic links (5), a plurality of top butt of spring telescopic links (5) has circuit board (6), charging module (601) is installed on the top of circuit board (6), the bottom fixed mounting of casing (1) inner wall has buffer structure (7) down, sealing strip (8) are installed on the top of buffer structure (7), heat radiation structure (9) are installed to last casing (2) inner wall, heat radiation structure (9) and buffer structure (7) assorted.

2. The dual-rail heat dissipating portable low-speed vehicle charger of claim 1, wherein: the charging head (3) and the power supply socket (4) are electrically connected with the circuit board (6), two jacks are formed in the power supply socket (4), and the charging module (601) comprises, but is not limited to, a rectifying and filtering module, a switching module, a transformer module, a high-frequency rectifying module and a control module.

3. The dual-rail heat dissipating portable low-speed vehicle charger of claim 1, wherein: the novel telescopic spring is characterized in that an elastic pad is fixedly arranged between the inner wall of the base end of the telescopic spring rod (5) and the outer wall of the telescopic end of the telescopic spring rod, a screw hole is formed in the top end of the telescopic spring rod (5), a connecting screw (602) is connected to the circuit board (6) in a threaded mode, the bottom end of the connecting screw (602) penetrates through the circuit board (6), and the end portion of the connecting screw is connected with the telescopic spring rod (5) in a threaded mode.

4. The dual-rail heat dissipating portable low-speed vehicle charger of claim 1, wherein: the outer side of the sealing strip (8) is attached to the joint of the lower shell (1) and the upper shell (2), and a notch matched with the charging head (3) and the power supply socket (4) is formed in the sealing strip (8).

5. The dual-rail heat dissipating portable low-speed vehicle charger of claim 1, wherein: the utility model provides a buffer structure (7) is including buffering bottom plate (701), the bottom of casing (1) inner wall under the bottom fixed connection of buffering bottom plate (701), the top laminating of buffering bottom plate (701) has a plurality of buffer bags (702), the avris that one side butt circuit board (6) of buffer bag (702) corresponds, fixed arch has a plurality of buffer blocks (703) on the inner wall of buffer bag (702), and is a plurality of the top laminating of buffer bag (702) has buffer box board (704), the avris of casing (1) inner wall under the outside fixed connection of buffer box board (704).

6. The dual-rail heat dissipating portable low-speed vehicle charger of claim 5, wherein: the bottom fixed mounting of buffering box board (704) inner wall has a plurality of intubates (705), the top of the buffer bag (702) inner wall that corresponds of the bottom fixed grafting of last intubate (705), the bottom fixed mounting of buffer bottom plate (701) inner wall has a plurality of intubates (706) down, the bottom and the outside intercommunication of casing (1) inner wall under the bottom fixed grafting of intubate (706), the bottom of buffer bag (702) inner wall is corresponding of the fixed grafting in top of intubate (706) down, and its tip fixed sleeve has buffer spring (707), the top fixedly connected with I-shaped rod (708) of buffer spring (707), the middle part of I-shaped rod (708) alternates down intubate lower intubate (706), just the bottom of I-shaped rod (708) matches with the bottom of intubate (706) down.

7. The dual-rail heat dissipating portable low-speed vehicle charger of claim 6, wherein: the heat radiation structure (9) comprises an air inlet fan group (901) and an air outlet fan (902), one side of the air inlet fan group (901) is fixedly attached to one side of the inner wall of the upper shell (2), an air inlet structure (903) is arranged on one side of the air inlet fan group (901), the top end of the air outlet fan (902) is fixedly connected with the top end of the inner wall of the upper shell (2), an air outlet pipe (904) is fixedly connected with an air outlet of the air outlet fan (902), and one end of the air outlet pipe (904) is fixedly connected with the top end of the inner wall of the buffer box plate (704).