Direct current charger convenient for heat dissipation

Abstract

The utility model discloses a direct current charger convenient for heat dissipation, comprising a housing and a direct current charging circuit, the bottom of the housing is provided with a power connection assembly, the power connection assembly comprises a plug and a charging head, one side of the housing is provided with an air inlet assembly, the air inlet assembly comprises an air port and a filter screen, and the air inlet assembly is provided with an air outlet. The other side of the shell is provided with an air outlet assembly, the air outlet assembly comprises an air duct and a fan, the inner side of the air port is provided with a water blocking assembly, and the water blocking assembly comprises a fixed plate and absorbent cotton. According to the direct current charger convenient to dissipate heat, the shell can be sealed in rainy or foggy weather, water is prevented from entering the inner side of a clamping sleeve, and the heat dissipation efficiency is improved. Meanwhile, heat dissipation work is carried out through the cooling fins, energy consumption needed by work of the draught fan is reduced, the phenomenon that the temperature of the direct current charging circuit is too high is avoided, the service life and work safety of the charger are guaranteed, and the charger is suitable for direct current charging of electrical equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of direct current charger equipment, in particular to a direct current charger which is convenient for heat dissipation. Background Art

[0002] In order to facilitate the fast charging of electric vehicles, a DC charger device is often required. The utility model patent with patent application number CN201920052616.1 discloses a portable electric vehicle charger. The provision of a rubber anti-collision pad can achieve a better anti-collision effect to avoid damage to the electric vehicle charger body when it is hit by foreign objects. The provision of a wiring harness, Velcro A side and Velcro B side facilitates the storage of the power input line, making it more convenient to carry and not messy when charging. According to the technical solution disclosed by the utility model patent, when the existing DC charger device is in use, on the one hand, during the charging process, rain or fog is likely to enter the inner side of the charger, which is not conducive to ensuring the safety of the charger. On the other hand, it is not conducive to improving the heat dissipation efficiency. It is easy to accelerate the aging or even damage of the circuit due to excessive temperature during the charging process, which is not conducive to ensuring the charging safety of the charger.

[0003] Therefore, how to design a DC charger that is easy to dissipate heat has become our current problem to be solved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a DC charger that is easy to dissipate heat to solve the problems raised in the above background technology. The utility model has a reasonable design and is relatively convenient to use, and is suitable for DC charging of electrical equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a DC charger that is easy to dissipate heat, comprising a shell and a DC charging circuit, a power connection component is installed at the bottom of the shell, and the power connection component includes a plug and a charging head, an air intake component is installed on one side of the shell, and the air intake component includes an air outlet and a filter, an air outlet component is installed on the other side of the shell, and the air outlet component includes a wind tube and a fan, a water blocking component is installed on the inner side of the air outlet, and the water blocking component includes a fixed plate and water-absorbing cotton, a movable component is installed on the inner side of the air outlet, and the movable component includes a moving plate and a card plate, and an electric control component is installed on the DC charging circuit, and the electric control component includes button one and button two.

[0006] Furthermore, the DC charging circuit is installed on the inner side of the shell by bolts, and the plug and the charging head are both located on the outer side of the shell, and the plug and the charging head are both connected to the DC charging circuit by wires.

[0007] Furthermore, the air outlet is integrally formed on one side of the shell, the filter is welded to the inner wall of the air outlet, the wind tube is integrally formed on the other side of the shell, and the fan is installed on the inner side of the wind tube by bolts.

[0008] Furthermore, the fixed plate is welded to the inner side of the air outlet, the outer side of the movable plate is clamped on the inner wall of the air outlet, the movable plate is located on one side of the fixed plate, and the clamping plate is arranged on the other side of the fixed plate, one end of the clamping plate passes through the fixed plate and is welded to the movable plate, the clamping plate is connected to the fixed plate through a spring, and the absorbent cotton is bonded to one side of the movable plate.

[0009] Furthermore, the button 1 and the button 2 are both installed on one side of the DC charging circuit by bolts, and the button 1 and the button 2 are both located on the other side of the card board.

[0010] Furthermore, a support plate is welded on the inner wall of the wind tube, the fan is located on one side of the support plate, a movable plate is installed on the other side of the support plate, the outer side of the movable plate is stuck on the inner wall of the wind tube, and the inner side of the movable plate is connected to the support plate through spring 2.

[0011] Furthermore, the inner sides of the fixed plate, movable plate, support plate and movable plate are all provided with through openings, the through openings are staggered on the fixed plate and the movable plate, the through openings are staggered on the support plate and the movable plate, sealing strips are bonded on the fixed plate, movable plate, support plate and movable plate, and electromagnets are welded on the inner sides of the fixed plate and the support plate.

[0012] Furthermore, button one is connected to the fan through wires, button two is connected to the electromagnet through wires, button one is a normally open button switch, button two is a normally closed button switch, and heat sinks are welded around the shell.

[0013] Beneficial effects: 1. When the DC charger that is easy to dissipate heat is in use, when it rains or is foggy, the moisture is driven to the inner side of the air outlet by the air flow, and then the moisture is absorbed by the absorbent cotton. When the absorbent cotton absorbs too much moisture, the air permeability of the absorbent cotton becomes poor, and the wind pressure pushes the absorbent cotton and the moving plate toward the fixed plate. The moving plate drives the card plate to move toward the inner side of the shell, and the card plate stretches the spring and squeezes button one and button two at the same time, thereby turning on the electromagnet and turning off the fan. The electromagnet is energized to generate magnetic force, which adsorbs the moving plate on the fixed plate and the movable plate on the support plate, and the sealing strip is used to seal the openings of each other, thereby effectively sealing the shell to prevent moisture from entering the inner side of the card sleeve, thereby ensuring the working safety of the DC charging circuit, and then ensuring the working safety of the charger. At the same time, the heat sink is used for heat dissipation and the energy consumption required for the fan to work is reduced.

[0014] 2. When the DC charger that is easy to dissipate heat is in use, the fan draws out the hot air in the shell through the air duct, so that the air enters the inner side of the shell after being filtered by the filter and dried by the absorbent cotton, cools the DC charging circuit, and is then drawn out through the air duct by the fan. At the same time, the heat sink is used to enhance the heat dissipation efficiency, thereby effectively avoiding the DC charging circuit from being overheated, thereby effectively ensuring the service life and working safety of the charger.

[0015] 3. The DC charger that is easy to dissipate heat has a reasonable design, is more efficient and convenient to use, and is suitable for DC charging of electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a DC charger that is easy to dissipate heat in the utility model;

[0017] Figure 2 This is a cross-sectional view of a DC charger that is convenient for heat dissipation according to the utility model;

[0018] Figure 3 This is a cross-sectional view of an air outlet of a DC charger that is convenient for heat dissipation according to the utility model;

[0019] Figure 4 This is a cross-sectional view of a wind tube of a DC charger that is convenient for heat dissipation according to the utility model;

[0020] In the figure: 1. Shell; 2. DC charging circuit; 3. Plug; 4. Charging head; 5. Air outlet; 6. Filter; 7. Air duct; 8. Fan; 9. Fixed plate; 10. Moving plate; 11. Water-absorbing cotton; 12. Sealing strip; 13. Card plate; 14. Spring 1; 15. Button 1; 16. Button 2; 17. Support plate; 18. Movable plate; 19. Spring 2; 20. Heat sink. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4The utility model provides a technical solution: a DC charger that is easy to dissipate heat, including a shell 1 and a DC charging circuit 2, a power connection component is installed at the bottom of the shell 1, and the power connection component includes a plug 3 and a charging head 4, an air intake component is installed on one side of the shell 1, and the air intake component includes an air outlet 5 and a filter 6, and an air outlet component is installed on the other side of the shell 1, and the air outlet component includes a wind tube 7 and a fan 8, a water blocking component is installed on the inner side of the air outlet 5, and the water blocking component includes a fixed plate 9 and a water-absorbing cotton 11, and a movable component is installed on the inner side of the air outlet 5, and the movable component includes a movable plate 10 and a card plate 13, an electric control component is installed on the DC charging circuit 2, and the electric control component includes a button 15 and a button 2 16, the DC charging circuit 2 is installed on the inner side of the shell 1 by bolts, and the plug 3 and the charging head 4 are both located on the outer side of the shell 1, and the plug 3 and the charging head 4 are connected to the DC charging circuit 2 through wires The air outlet 5 is integrally formed on one side of the shell 1, the filter 6 is welded on the inner wall of the air outlet 5, the wind tube 7 is integrally formed on the other side of the shell 1, the fan 8 is installed on the inner side of the wind tube 7 by bolts, the button 15 is connected to the fan 8 by wires, the button 2 16 is connected to the electromagnet by wires, the button 15 is a normally open button switch, the button 2 16 is a normally closed button switch, and heat sinks 20 are welded on all sides of the shell 1. When in use, the fan 8 draws out the hot air in the shell 1 through the wind tube 7, so that the air is filtered by the filter 6 and then dried by the absorbent cotton 11 before entering the inner side of the shell 1, cooling the DC charging circuit 2, and then being drawn out by the fan 8 through the wind tube 7. At the same time, the heat sink 20 is used to enhance the heat dissipation efficiency, thereby effectively avoiding the overheating of the DC charging circuit 2, thereby effectively ensuring the service life and working safety of the charger.

[0023] In this embodiment, the fixed plate 9 is welded to the inner side of the air outlet 5, the outer side of the movable plate 10 is clamped on the inner wall of the air outlet 5, the movable plate 10 is located on one side of the fixed plate 9, and the clamping plate 13 is arranged on the other side of the fixed plate 9. One end of the clamping plate 13 passes through the fixed plate 9 and is welded to the movable plate 10. The clamping plate 13 is connected to the fixed plate 9 through a spring 14. The absorbent cotton 11 is bonded to one side of the movable plate 10. The button 15 and the button 2 16 are both installed on one side of the DC charging circuit 2 by bolts. The button 15 and The buttons 16 are located on the other side of the card plate 13, a support plate 17 is welded on the inner wall of the wind tube 7, the fan 8 is located on one side of the support plate 17, and a movable plate 18 is installed on the other side of the support plate 17. The outer side of the movable plate 18 is stuck on the inner wall of the wind tube 7, and the inner side of the movable plate 18 is connected to the support plate 17 through a spring 19. The inner sides of the fixed plate 9, the movable plate 10, the support plate 17 and the movable plate 18 are all provided with openings, and the openings are staggered on the fixed plate 9 and the movable plate 10. Staggered distribution, the fixed plate 9, the movable plate 10, the support plate 17 and the movable plate 18 are all bonded with sealing strips 12, and the inner sides of the fixed plate 9 and the support plate 17 are welded with electromagnets. When it rains or is foggy, the moisture is driven to the inner side of the air outlet 5 by the air flow, and the moisture is absorbed by the absorbent cotton 11. When the absorbent cotton 11 absorbs too much moisture, the air permeability of the absorbent cotton 11 becomes poor, and the wind pressure pushes the absorbent cotton 11 and the movable plate 10 toward the fixed plate 9, and the movable plate 10 drives the card plate 13 to move toward the inner side of the shell 1, and the card plate 13 stretches the spring The first button 14 is pressed and the second button 15 and the second button 16 are squeezed to turn on the electromagnet and turn off the fan 8. The electromagnet is energized to generate magnetic force, which adsorbs the movable plate 10 onto the fixed plate 9 and the movable plate 18 onto the support plate 17. The openings of each other are sealed by the sealing strip 12, thereby effectively sealing the shell 1 to prevent moisture from entering the inner side of the shell 1, ensuring the working safety of the DC charging circuit 2, and then ensuring the working safety of the charger. At the same time, the heat sink 20 is used to dissipate heat and reduce the energy consumption required for the operation of the fan 8.

[0024] The DC charger with convenient heat dissipation provides electric energy for all electrical devices through an external power supply. When in use, the fan 8 draws out the hot air in the shell 1 through the air duct 7, so that the air enters the inner side of the shell 1 after being filtered by the filter 6 and dried by the absorbent cotton 11, cools the DC charging circuit 2, and is then drawn out by the fan 8 through the air duct 7. At the same time, the heat sink 20 is used to enhance the heat dissipation efficiency, thereby effectively avoiding the over-high temperature of the DC charging circuit 2, thereby effectively ensuring the service life and working safety of the charger. When it rains or is foggy, the moisture is driven to the inner side of the air outlet 5 by the air flow, and the moisture is absorbed by the absorbent cotton 11. When the moisture absorbed by the absorbent cotton 11 is too much, The air permeability of the absorbent cotton 11 becomes worse, and the wind pressure pushes the absorbent cotton 11 and the movable plate 10 toward the fixed plate 9. The movable plate 10 drives the card plate 13 to move toward the inner side of the shell 1. The card plate 13 stretches the spring 14 and squeezes the button 15 and the button 2 16, thereby opening the electromagnet and closing the fan 8. The electromagnet is energized to generate magnetic force, which adsorbs the movable plate 10 on the fixed plate 9 and the movable plate 18 on the support plate 17, and seals the openings of each other through the sealing strip 12, thereby effectively sealing the shell 1 to prevent moisture from entering the inner side of the shell 1, ensuring the working safety of the DC charging circuit 2, and then ensuring the working safety of the charger. At the same time, the heat sink 20 is used to dissipate heat and reduce the energy consumption required for the operation of the fan 8.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A DC charger for facilitating heat dissipation, comprising a housing (1) and a DC charging circuit (2), wherein a power connection assembly is installed at the bottom of the housing (1), and the power connection assembly comprises a plug (3) and a charging head (4), and is characterized in that: An air intake assembly is mounted on one side of the housing (1), the air intake assembly comprising an air outlet (5) and a filter (6); an air outlet assembly is mounted on the other side of the housing (1), the air outlet assembly comprising an air cylinder (7) and a fan (8); a water blocking assembly is mounted on the inner side of the air outlet (5), the water blocking assembly comprising a fixed plate (9) and water-absorbing cotton (11); a movable assembly is mounted on the inner side of the air outlet (5), the movable assembly comprising a movable plate (10) and a clamping plate (13); an electric control assembly is mounted on the DC charging circuit (2), the electric control assembly comprising a button 1 (15) and a button 2 (16); ), the fixed plate (9) is welded to the inner side of the air outlet (5), the outer side of the movable plate (10) is clamped on the inner wall of the air outlet (5), the movable plate (10) is located on one side of the fixed plate (9), the clamping plate (13) is arranged on the other side of the fixed plate (9), one end of the clamping plate (13) passes through the fixed plate (9) and is welded to the movable plate (10), the clamping plate (13) is connected to the fixed plate (9) through a spring 1 (14), the absorbent cotton (11) is bonded to one side of the movable plate (10), and the button 1 (15) and the button 2 (16) are both installed on one side of the DC charging circuit (2) by bolts The button 1 (15) and the button 2 (16) are both located on the other side of the clamping plate (13); a support plate (17) is welded on the inner wall of the wind tube (7); the fan (8) is located on one side of the support plate (17); a movable plate (18) is installed on the other side of the support plate (17); the outer side of the movable plate (18) is clamped on the inner wall of the wind tube (7); the inner side of the movable plate (18) is connected to the support plate (17) via a spring 2 (19); the inner sides of the fixed plate (9), the movable plate (10), the support plate (17) and the movable plate (18) are all provided with openings, and the openings are located on the fixed plate (9) and the movable plate (10) are staggeredly distributed, the through openings are staggeredly distributed on the support plate (17) and the movable plate (18), the fixed plate (9), the movable plate (10), the support plate (17) and the movable plate (18) are all bonded with sealing strips (12), the inner sides of the fixed plate (9) and the support plate (17) are welded with electromagnets, the button one (15) is connected to the fan (8) through an electric wire, the button two (16) is connected to the electromagnet through an electric wire, the button one (15) is a normally open push button switch, the button two (16) is a normally closed push button switch, and heat sinks (20) are welded around the shell (1).

2. A DC charger for heat dissipation according to claim 1, characterized in that: The DC charging circuit (2) is mounted on the inner side of the housing (1) by means of bolts, the plug (3) and the charging head (4) are both located on the outer side of the housing (1), and the plug (3) and the charging head (4) are both connected to the DC charging circuit (2) by means of wires.

3. A DC charger for heat dissipation according to claim 2, characterized in that: The air outlet (5) is integrally formed on one side of the shell (1), the filter (6) is welded to the inner wall of the air outlet (5), the air cylinder (7) is integrally formed on the other side of the shell (1), and the fan (8) is mounted on the inner side of the air cylinder (7) by means of bolts.

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