Anti-overload charger internal transformer device

Abstract

The anti-overload charger internal transformer device comprises a transformer main body structure, an outer frame and a protective shell, pins are arranged on one side of the transformer main body structure, the outer frame is movably arranged on the outer side of the transformer main body structure in a sleeved mode, heat conduction silica gel is bonded to the inner side face of the outer frame, and the protective shell is arranged on the outer side of the transformer main body structure. The top of the outer frame is connected with a protection shell, the protection shell is arranged on the side away from the pins, and cooling fins are arranged on the top of the protection shell. According to the internal transformer device of the anti-overload charger, the protective shell is clamped to the top of the outer frame, heat conduction silica gel is arranged on the inner side face of the outer frame, meanwhile, cooling fins are arranged on the top of the protective shell, heat dissipation of the device is facilitated, in addition, a temperature sensor is installed on the inner side of the protective shell, and temperature changes can be detected; the outer frame and the transformer main body structure are connected through the clamping structure, mounting is convenient, the transformer main body structure can be taken down by pushing the operating rod to enable the positioning head to contract during dismounting, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an internal transformer device of an overload protection charger. Background Art

[0002] With the continuous development of life, the use of electronic products is increasing. Among them, the charger is an important accessory to ensure the normal use of the equipment. The transformer is the core component of the charger, and its structure and performance have an important impact on the charger structure.

[0003] When the heat dissipation performance of the transformer is poor and there is a lack of protective devices, the transformer will be damaged. At the same time, overloading and heating of the transformer during use will greatly damage the transformer. In addition, the structure of the existing transformer is fixed, and the entire transformer needs to be replaced during maintenance and replacement, which causes waste. Therefore, it is necessary to make innovative improvements based on the original transformer structure. Utility Model Content

[0004] The purpose of the utility model is to provide an internal transformer device of an anti-overload charger, so as to solve the problems that the heat dissipation performance of the transformer proposed in the above background technology is poor and the lack of a protective device will cause damage to the transformer, and overload and heat generation during use of the transformer will further damage the transformer to a great extent. In addition, the structure of the existing transformer is fixed, and the entire transformer needs to be replaced during maintenance and replacement, which causes waste.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: an internal transformer device for an overload protection charger, comprising a transformer main structure, an outer frame and a protective shell,

[0006] A pin is provided on one side of the transformer main structure, and an outer movable sleeve of the transformer main structure is provided with an outer frame, the inner side of the outer frame is bonded with thermal conductive silicone, the top of the outer frame is connected to a protective shell, and the protective shell is provided on a side away from the pin, and a heat sink is provided on the top of the protective shell.

[0007] Preferably, through grooves are symmetrically formed on the inner side surface of the outer frame, a snap-fit ​​structure is installed inside the through groove, and the outer frame is connected to the transformer main structure through the snap-fit ​​structure.

[0008] By adopting the above technical solution, it is convenient to install or disassemble the connection between the outer frame and the transformer main structure.

[0009] Preferably, the engaging structure comprises a support plate, a positioning head connected to one side of the support plate and a spring arranged on the other side of the support plate, and an operating rod is arranged on the top surface of the support plate.

[0010] By adopting the above technical solution, the operating rod is pushed, the support plate squeezes the spring, and the positioning head is driven to retract.

[0011] Preferably, the through slot includes a horizontal through slot and a vertical through slot, and the two slots are connected, the size of the horizontal through slot matches the support plate, and the operating rod moves in the vertical through slot.

[0012] By adopting the above technical solution, the stability of the support plate when moving is maintained.

[0013] Preferably, fixing grooves are symmetrically provided on the connecting plate of the transformer main structure, and the fixing grooves match the positioning heads.

[0014] By adopting the above technical solution, the connection is made tighter by engaging the positioning head with the fixing groove.

[0015] Preferably, mounting holes are provided at four corners of the top surface of the outer frame, and mounting rods matching the mounting holes are provided at positions corresponding to the mounting holes on the bottom surface of the protective shell;

[0016] By adopting the above technical solution, the mounting rod and the mounting hole are matched and installed, which is convenient for fixing the protective shell.

[0017] Preferably, a temperature sensor is installed inside the protective shell.

[0018] By adopting the above technical solution, a temperature sensor is used to monitor temperature changes, which serves as a warning and prevents overload.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the internal transformer device of the anti-overload charger,

[0020] (1) A protective shell is clamped on the top of the outer frame to protect the device. A thermal conductive silicone is provided on the inner side of the outer frame. A heat sink is provided on the top of the protective shell to facilitate heat dissipation of the device. In addition, a temperature sensor is installed on the inner side of the protective shell to detect temperature changes, serve as a warning, and prevent overload;

[0021] (2) The outer frame is connected to the main structure of the transformer through a snap-fit ​​structure, which is convenient and more stable during installation. When disassembling, the main structure of the transformer can be removed by pushing the operating lever to retract the positioning head. The operation is convenient, and the detachable design facilitates the maintenance of the device and the replacement of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the connection structure between the outer frame and the snap-fit ​​structure of the utility model;

[0024] Figure 3This is a schematic diagram of the top view of the outer frame structure of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the clamping structure of the utility model.

[0026] In the figure: 1. transformer main structure, 2. pin, 3. fixing groove, 4. outer frame, 401. connecting groove, 402. mounting hole, 5. protective shell, 501. heat sink, 502. mounting rod, 601. support plate, 602. positioning head, 603. spring, 604. operating rod, 7. thermal conductive silicone. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-4 The utility model provides a technical solution: an internal transformer device for preventing overload of a charger, according to Figure 1 and Figure 2 As shown, a pin 2 is provided on one side of the transformer main structure 1, and an outer movable sleeve is provided on the outer side of the transformer main structure 1, and a thermal conductive silicone 7 is bonded to the inner side of the outer frame 4, and the top of the outer frame 4 is connected to the protective shell 5, and the protective shell 5 is arranged on the side away from the pin 2, and a heat sink 501 is provided on the top of the protective shell 5. The arrangement of the thermal conductive silicone 7 and the heat sink 501 improves the heat dissipation performance of the device.

[0029] Specifically, the inner side surface of the outer frame 4 is symmetrically provided with through grooves 401 , and a snap-fit ​​structure is installed inside the through groove 401 . The outer frame 4 is connected to the transformer main structure 1 through the snap-fit ​​structure, and the connection is carried out in a snap-fit ​​manner, which is convenient for installation.

[0030] Specifically, according to Figure 3 and Figure 4 As shown, the locking structure includes a support plate 601, a positioning head 602 connected to one side of the support plate 601, and a spring 603 arranged on the other side of the support plate 601, the spring 603 is connected to the inner wall of the through slot 401, and an operating rod 604 is provided on the top surface of the support plate 601. When the spring 603 is at its natural length, the positioning head 602 extends to the outside of the through slot 401.

[0031] Specifically, the through slot 401 includes a horizontal through slot and a vertical through slot, and the two slots are connected. The size of the horizontal through slot matches the support plate 601, which enables the support plate 601 to move smoothly. The operating rod 604 moves in the vertical through slot, making it easy to move the operating rod 604 by hand.

[0032] In a further embodiment, fixing grooves 3 are symmetrically provided on the connecting plate of the transformer main structure 1, and the fixing grooves 3 match the positioning heads 602, which can clamp the transformer main structure 1 and the outer frame 4 to make the connection more secure. During installation, the outer frame 4 is sleeved on the outside of the transformer main structure 1 and pushed toward the middle, and the transformer main structure 1 squeezes the spring 603 to contract, and the push is continued until the positioning head 602 on the outer frame 4 moves to the fixing groove 3 and engages with it. At this time, the spring 603 restores its deformation and the outer frame 4 is installed in place; during disassembly, the operating rod 604 is pushed outward, the squeezing spring 603 contracts, the positioning head 602 moves to the through groove 401, and then the transformer main structure 1 is taken out.

[0033] In a further embodiment, mounting holes 402 are provided at the four corners of the top surface of the outer frame 4, and mounting rods 502 matching the mounting holes 402 are provided at the bottom surface of the protective shell 5 at positions corresponding to the mounting holes 402. The mounting holes 402 and the mounting rods 502 are correspondingly engaged to facilitate fastening of the outer frame 4 and the protective shell 5.

[0034] In a further embodiment, a temperature sensor is installed inside the protective shell 5, and the temperature sensor is connected to the controller inside the charger. At the same time, the temperature sensor is connected to an indicator light. The temperature sensor is used to monitor the device. When the temperature is higher than the set value, the indicator light lights up to serve as a warning.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. An internal transformer device for an overload protection charger, comprising a transformer main structure (1), an outer frame (4) and a protective shell (5), characterized in that: A pin (2) is provided on one side of the transformer main structure (1), and an outer movable sleeve is provided on the outer side of the transformer main structure (1), a heat-conducting silica gel (7) is bonded to the inner side of the outer frame (4), the top of the outer frame (4) is connected to a protective shell (5), and the protective shell (5) is provided on a side away from the pin (2), and a heat sink (501) is provided on the top of the protective shell (5).

2. The internal transformer device of the anti-overload charger according to claim 1, characterized in that: The inner side surface of the outer frame (4) is symmetrically provided with through grooves (401), and a snap-fit ​​structure is installed inside the through groove (401). The outer frame (4) is connected to the transformer main structure (1) via the snap-fit ​​structure.

3. The internal transformer device of the anti-overload charger according to claim 2, characterized in that: The engaging structure comprises a support plate (601), a positioning head (602) connected to one side of the support plate (601), and a spring (603) arranged on the other side of the support plate (601); an operating rod (604) is arranged on the top surface of the support plate (601).

4. The internal transformer device of the anti-overload charger according to claim 3, characterized in that: The through slot (401) includes a horizontal through slot and a vertical through slot, and the two slots are connected. The size of the horizontal through slot matches the support plate (601), and the operating rod (604) moves in the vertical through slot.

5. The internal transformer device of the anti-overload charger according to claim 3, characterized in that: The connection plate of the transformer main structure (1) is symmetrically provided with fixing grooves (3), and the fixing grooves (3) match the positioning heads (602).

6. The internal transformer device of the charger for preventing overload according to claim 1, characterized in that: The outer frame (4) has mounting holes (402) at four corners of its top surface, and the protective shell (5) has mounting rods (502) matching the mounting holes (402) at positions corresponding to the mounting holes (402) on its bottom surface.

7. The internal transformer device of the charger for preventing overload according to claim 1, characterized in that: A temperature sensor is installed inside the protective shell (5).

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