Isolation mechanism of charger

Abstract

The utility model relates to the technical field of chargers, and discloses an isolation mechanism of a charger, which comprises a lower shell and an upper shell, the top end of the lower shell is arranged at the bottom end of the upper shell, and the inner walls of the lower shell and the upper shell are connected with electronic elements through isolation assemblies. Fixing blocks are fixedly connected to the left side and the right side of the top end of the lower shell, through grooves are formed in the inner walls of the fixing blocks on the two sides, limiting grooves are formed in the left side and the right side of the bottom end of the upper shell, the inner walls of the limiting grooves in the two sides are arranged on the outer walls of the fixing blocks on the two sides, and the fixing blocks are connected with the upper shell through mounting assemblies. According to the utility model, electrical connection can be effectively isolated through the isolation assembly, the effect of prolonging the service life of the charger is realized, the risk of damage to the charger is reduced, the effect of convenient disassembly and assembly between the upper shell and the lower shell is realized through cooperation of the installation assembly, and the practicability of the charger is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, in particular to an isolation mechanism of a charger. Background Art

[0002] The isolation mechanism of the charger refers to a design or component inside the charger that is used to establish electrical isolation between the input and output terminals. The purpose of this isolation is to ensure the safety of the charger and the safety of the user. The basic principle of the isolation mechanism is to disconnect the electrical connection between the input and output terminals to prevent current from flowing directly between them.

[0003] After searching, the announcement number CN218172003U is a PWM electric vehicle non-inductive charger, which includes a non-inductive charger shell and a connecting wire. The top of the non-inductive charger shell is provided with a PWM protective isolation frame, the front end of the non-inductive charger shell is installed with a terminal frame, and the front end of the terminal frame is installed with a charger line terminal mechanism, the connecting wire is arranged at the front end of the charger line terminal mechanism, and one side of the non-inductive charger shell is installed with an external protective terminal mechanism. The PWM electric vehicle non-inductive charger effectively installs the assembled isolation plate and the through-column protection at the PWM electric vehicle non-inductive charger terminal, reduces the damage frequency of the PWM electric vehicle non-inductive charger terminal, prevents the occurrence of PWM electric vehicle non-inductive charging electric shock accidents, and disassembles the isolation plate and the through-column to replace the connecting wire at the damaged PWM electric vehicle non-inductive charger terminal, reduces the replacement cost of the PWM electric vehicle non-inductive charger, and improves the adaptability of the PWM electric vehicle non-inductive charger replacement connecting wire;

[0004] Based on the above patent, the assembled isolation plate and the through-column protection are effectively installed at the terminal of the PWM electric vehicle non-inductive charger, thereby reducing the damage frequency at the terminal of the PWM electric vehicle non-inductive charger, and preventing accidents of electric shock caused by PWM electric vehicle non-inductive charging. The isolation plate and the through-column are disassembled and the connecting wires are replaced at the damaged terminal of the PWM electric vehicle non-inductive charger, thereby reducing the replacement cost of the PWM electric vehicle non-inductive charger and improving the adaptability of the replacement connecting wires of the PWM electric vehicle non-inductive charger. However, when the charger is in use, there is no isolation mechanism inside, and the electronic components and circuits inside the charger may be damaged, affecting the service life of the charger. In addition, it is inconvenient to repair and replace the internal structure of the charger, resulting in maintenance difficulties, which limits the flexibility and scope of application of the charger. Therefore, the present application proposes an isolation mechanism for the charger. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an isolation mechanism for a charger, which can effectively isolate electrical connections through isolation components, thereby achieving the effect of increasing the service life of the charger and reducing the risk of damage to the charger. Through the cooperation of the installation components, the upper shell and the lower shell can be easily disassembled and installed, thereby enhancing the practicality of the charger.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A charger isolation mechanism comprises a lower shell and an upper shell, wherein the top end of the lower shell is arranged at the bottom end of the upper shell, the inner walls of the lower shell and the upper shell are connected to the electronic components through an isolation component, the left and right sides of the top end of the lower shell are fixedly connected with fixed blocks, the inner walls of the fixed blocks on both sides are provided with through grooves, the left and right sides of the bottom end of the upper shell are provided with limiting grooves, the inner walls of the limiting grooves on both sides are arranged on the outer walls of the fixed blocks on both sides, and the fixed blocks are connected to the upper shell through an installation component.

[0008] Furthermore, the mounting assembly includes grooves which are provided on both left and right sides of the rear end of the upper shell, and the grooves on both sides are connected to the pressing blocks through springs.

[0009] Furthermore, rear ends of the springs on both sides are fixedly connected to outer walls of the pressure blocks on both sides, and ends of the springs on both sides away from the pressure blocks are fixedly connected to inner walls of the grooves on both sides.

[0010] Furthermore, the front ends of the pressure blocks on both sides are fixedly connected to the inner walls of the springs, the ends of the connecting rods on both sides away from the pressure blocks are fixedly connected to L-shaped blocks, and the outer walls of the ends of the L-shaped blocks on both sides away from the connecting rods are arranged on the inner walls of the through grooves.

[0011] Furthermore, the inner wall of the upper shell body is provided with a cavity at the front end of the groove, and the inner walls of the cavity on both sides are slidably connected to the outer walls of the L-shaped blocks on both sides.

[0012] Furthermore, the isolation assembly includes an insulating wall layer arranged on the inner walls of the lower shell and the upper shell, the material of the insulating wall layer is set to polypropylene, the inner wall of the insulating wall layer is fixedly connected to an insulating shell, and the inner wall of the insulating shell is arranged on the outer wall of the electronic component.

[0013] Furthermore, an insulating plate is fixedly connected to the front end of the insulating shell, the material of the insulating plate is set to glass fiber reinforced plastic, and the outer layer of the insulating plate is fixedly connected to an insulating coating, and the material of the insulating coating is set to polyurethane.

[0014] Furthermore, insulating sleeves are fixedly connected to the left and right sides of the front end of the insulating coating, the insulating sleeves are made of polyvinyl chloride, and the inner walls of the insulating sleeves on both sides are provided with pins.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the insulating wall layer can effectively isolate the electrical connection and prevent the direct conduction of current in different circuits. The insulating shell provides mechanical protection for the electronic components to ensure the normal operation of the electronic components. The insulating plate can prevent the circuit inside the charger from being disturbed by the outside world and separate different circuits to avoid short circuits. The insulating coating can effectively prevent the leakage of current on the surface of the conductor, reducing energy loss and electrical damage. The insulating sleeve can achieve electrical isolation to prevent users from directly contacting the pins, reduce the risk of electric shock, and achieve the effect of increasing the service life of the charger and reducing the risk of damage to the charger.

[0017] 2. In the utility model, by pressing the pressure block on the rear side of the upper shell, the connecting rod and the L-shaped block are driven to move together, so that the L-shaped block can be disengaged from the through groove of the fixed block, and the upper shell and the lower shell can be separated, and the electronic components inside the upper shell and the lower shell can be replaced or repaired, thereby achieving the effect of easy disassembly and enhancing the practicality of the charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of an isolation mechanism of a charger proposed by the utility model;

[0019] Figure 2 This is a partial structural schematic diagram of an isolation mechanism of a charger proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of an insulating shell of an isolation mechanism of a charger proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the internal structure of the upper shell of the isolation mechanism of the charger.

[0022] Legend:

[0023] 1. Lower shell; 2. Upper shell; 3. Electronic component; 4. Insulating shell; 5. Insulating board; 6. Insulating coating; 7. Insulating sleeve; 8. Pin; 9. Insulating wall layer; 10. Fixing block; 11. Through slot; 12. Limiting slot; 13. Groove; 14. Pressing block; 15. Connecting rod; 16. Spring; 17. L-shaped block; 18. Cavity. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1-4 The utility model provides an embodiment: an isolation mechanism of a charger, comprising a lower shell 1 and an upper shell 2, the top of the lower shell 1 is arranged at the bottom of the upper shell 2, the inner walls of the lower shell 1 and the upper shell 2 are connected to the electronic component 3 through an isolation component, the left and right sides of the top of the lower shell 1 are fixedly connected with a fixing block 10, the inner walls of the fixing blocks 10 on both sides are provided with a through groove 11, the left and right sides of the bottom end of the upper shell 2 are provided with a limiting groove 12, the inner walls of the limiting grooves 12 on both sides are arranged on the outer walls of the fixing blocks 10 on both sides, and the fixing blocks 10 are connected to the upper shell 2 through an installation component.

[0026] Furthermore, the fixing block 10 is fixedly supported by the lower shell 1, and the fixing block 10 enters the limiting groove 12 of the upper shell 2, so that the upper shell 2 and the lower shell 1 are fixedly connected, and the electronic components 3 are protected by the upper shell 2 and the lower shell 1.

[0027] The mounting assembly includes grooves 13 provided on both sides of the rear end of the upper shell 2, the grooves 13 on both sides are connected to the pressure blocks 14 through springs 16, the rear ends of the springs 16 on both sides are fixedly connected to the outer walls of the pressure blocks 14 on both sides, the ends of the springs 16 on both sides away from the pressure blocks 14 are fixedly connected to the inner walls of the grooves 13 on both sides, the front ends of the pressure blocks 14 on both sides are located at the inner walls of the springs 16 and are fixedly connected with connecting rods 15, the ends of the connecting rods 15 on both sides away from the pressure blocks 14 are fixedly connected with L-shaped blocks 17, the outer walls of the ends of the L-shaped blocks 17 on both sides away from the connecting rods 15 are arranged on the inner walls of the through grooves 11, the inner wall of the upper shell 2 is located at the front end of the groove 13 and is provided with a cavity 18, and the inner walls of the cavities 18 on both sides are slidably connected to the outer walls of the L-shaped blocks 17 on both sides.

[0028] Furthermore, by pressing the pressure block 14 on the rear side of the upper shell 2, the connecting rod 15 and the L-shaped block 17 are driven to move together, so that the L-shaped block 17 can be disengaged from the through slot 11 of the fixed block 10, and the upper shell 2 and the lower shell 1 can be separated. After repairing the interior of the charger, the fixed block 10 is placed in the limiting slot 12, and the pressure block 14 is released. Through the elastic force of the spring 16, the L-shaped block 17, the connecting rod 15 and the pressure block 14 are moved together, and one end of the L-shaped block 17 will enter the through slot 11, so that the upper shell 2 and the lower shell 1 are fixedly installed together.

[0029] The isolation assembly includes an insulating wall layer 9 arranged on the inner walls of the lower shell 1 and the upper shell 2. The material of the insulating wall layer 9 is set to polypropylene. The inner wall of the insulating wall layer 9 is fixedly connected with an insulating shell 4. The inner wall of the insulating shell 4 is set on the outer wall of the electronic component 3. The front end of the insulating shell 4 is fixedly connected with an insulating plate 5. The material of the insulating plate 5 is set to glass fiber reinforced plastic. The outer layer of the insulating plate 5 is fixedly connected with an insulating coating 6. The material of the insulating coating 6 is set to polyurethane. The left and right sides of the front end of the insulating coating 6 are fixedly connected with insulating sleeves 7. The material of the insulating sleeves 7 is set to polyvinyl chloride. Pins 8 are set on the inner walls of the insulating sleeves 7 on both sides.

[0030] Furthermore, the insulating wall layer 9 can effectively isolate the electrical connection and prevent the direct conduction of current in different circuits. The insulating shell 4 provides mechanical protection for the electronic component 3 to ensure the normal operation of the electronic component 3. The insulating plate 5 can prevent the circuit inside the charger from being disturbed by the outside world and separate different circuits to avoid short circuits. The insulating coating 6 can effectively prevent the leakage of current on the surface of the conductor and reduce energy loss and electrical damage. The insulating sleeve 7 achieves electrical isolation to prevent users from directly contacting the pin 8 and reduce the risk of electric shock.

[0031] Working principle: First, when the charger is in use, the insulating wall layer 9 can effectively isolate the electrical connection and prevent the direct conduction of current in different circuits. The insulating shell 4 provides mechanical protection for the electronic components 3 to ensure the normal operation of the electronic components 3. The insulating plate 5 can prevent the circuit inside the charger from being disturbed by the outside world and separate different circuits to avoid short circuits. The insulating coating 6 can effectively prevent the leakage of current on the surface of the conductor, reduce energy loss and electrical damage, and achieve electrical isolation through the insulating sleeve 7 to prevent users from directly contacting the pin 8 and reduce the risk of electric shock. Risk, when the electronic component 3 or the internal isolation structure needs to be replaced and repaired later, the pressure block 14 on the rear side of the upper shell 2 is pressed to drive the connecting rod 15 and the L-shaped block 17 to move together, so that the L-shaped block 17 can be disengaged from the through slot 11 of the fixed block 10, and the upper shell 2 and the lower shell 1 can be separated. After maintenance, the fixed block 10 is placed in the limiting slot 12, and the pressure block 14 is released. Through the elastic force of the spring 16, the L-shaped block 17, the connecting rod 15 and the pressure block 14 are moved together, and one end of the L-shaped block 17 will enter the through slot 11, so that the upper shell 2 and the lower shell 1 are fixedly installed together.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A charger isolation mechanism, comprising a lower housing (1) and an upper housing (2), characterized in that: The top end of the lower shell (1) is arranged at the bottom end of the upper shell (2); the inner walls of the lower shell (1) and the upper shell (2) are connected to the electronic component (3) through an isolation component; the left and right sides of the top end of the lower shell (1) are fixedly connected to fixed blocks (10); the inner walls of the fixed blocks (10) on both sides are provided with through grooves (11); the left and right sides of the bottom end of the upper shell (2) are provided with limiting grooves (12); the inner walls of the limiting grooves (12) on both sides are arranged on the outer walls of the fixed blocks (10) on both sides; the fixed blocks (10) are connected to the upper shell (2) through an installation component.

2. The isolation mechanism of a charger according to claim 1, characterized in that: The mounting assembly comprises grooves (13) which are provided on both left and right sides of the rear end of the upper shell (2), and the grooves (13) on both sides are connected to the pressing blocks (14) via springs (16).

3. The isolation mechanism of a charger according to claim 2, characterized in that: The rear ends of the springs (16) on both sides are fixedly connected to the outer walls of the pressure blocks (14) on both sides, and the ends of the springs (16) on both sides away from the pressure blocks (14) are fixedly connected to the inner walls of the grooves (13) on both sides.

4. The isolation mechanism of a charger according to claim 3, characterized in that: The front ends of the pressure blocks (14) on both sides are located on the inner wall of the spring (16) and are fixedly connected to a connecting rod (15); the ends of the connecting rods (15) on both sides that are away from the pressure blocks (14) are fixedly connected to an L-shaped block (17); and the outer walls of the ends of the L-shaped blocks (17) on both sides that are away from the connecting rod (15) are arranged on the inner wall of the through groove (11).

5. The isolation mechanism of a charger according to claim 1, characterized in that: The inner wall of the upper shell (2) is provided with a cavity (18) at the front end of the groove (13), and the inner walls of the cavity (18) on both sides are slidably connected to the outer walls of the L-shaped blocks (17) on both sides.

6. The isolation mechanism of a charger according to claim 1, characterized in that: The isolation assembly comprises an insulating wall layer (9) arranged on the inner walls of the lower shell (1) and the upper shell (2), the material of the insulating wall layer (9) being set to polypropylene, the inner wall of the insulating wall layer (9) being fixedly connected to the insulating shell (4), and the inner wall of the insulating shell (4) being arranged on the outer wall of the electronic component (3).

7. The isolation mechanism of a charger according to claim 6, characterized in that: An insulating plate (5) is fixedly connected to the front end of the insulating shell (4), the material of the insulating plate (5) is set to be glass fiber reinforced plastic, and an insulating coating (6) is fixedly connected to the outer layer of the insulating plate (5), and the material of the insulating coating (6) is set to be polyurethane.

8. The isolation mechanism of a charger according to claim 7, characterized in that: Insulating sleeves (7) are fixedly connected to the left and right sides of the front end of the insulating coating (6); the insulating sleeves (7) are made of polyvinyl chloride; and the inner walls of the insulating sleeves (7) on both sides are provided with plug pins (8).

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