Improved transformer iron core

Abstract

The utility model discloses an improved transformer iron core which comprises a bottom plate, a positioning groove is formed in the center of the top of the bottom plate, a positioning block is connected in the positioning groove in a clamped mode, a fixing frame is fixedly connected to the top of the positioning block, an iron core clamping groove is formed in the middle of the fixing frame, an iron core is connected in the iron core clamping groove in a clamped mode, and a coil is arranged on the iron core. Sliding grooves are formed in the two ends of the top of the bottom plate correspondingly, sliding blocks are slidably connected into the two sliding grooves correspondingly, clamp bases are connected to the tops of the two sliding blocks correspondingly, two fixing clamps are fixedly connected to the tops of the two clamp bases correspondingly, the four fixing clamps are located at the two ends of the two sides of the fixing frame correspondingly, and screw rods are rotationally connected to the two ends of the bottom plate correspondingly. The fixing frame is clamped and fixed through the fixing clamp, the transformer iron core is fixed, the transformer iron core is fixed stably, and disassembly and assembly operation is easy and convenient; the fan drives air to flow, heat dissipation is accelerated, and the service life of the transformer iron core is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer iron cores, in particular to an improved transformer iron core. Background Art

[0002] The transformer core is the main magnetic circuit part of the transformer. It is usually made of hot-rolled or cold-rolled silicon steel sheets with a high silicon content and coated with insulating paint on the surface. Coils are wrapped around the core to form a complete electromagnetic induction system. There are some shortcomings in the transformer core: Generally, during the use of the transformer core, in order to ensure that the transformer core can be fixed and effectively connected together, the glass adhesive tape will be tied. At the same time, in order to ensure smooth connection, the overlap area between the cores is also relatively large, which will cause a large no-load loss in the core, resulting in high heat generation. The high temperature affects the use of the transformer and shortens the service life of the transformer. Utility Model Content

[0003] The utility model aims to provide an improved transformer core to solve the problem in the above background technology that high temperature affects the use of the transformer and shortens the service life of the transformer.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an improved transformer core, comprising a bottom plate, a positioning groove is opened in the center of the top of the bottom plate, a positioning block is clamped and connected in the positioning groove, a fixing frame is fixedly connected to the top of the positioning block, an iron core clamping groove is opened in the middle of the fixing frame, an iron core is clamped and connected in the iron core clamping groove, and a coil is arranged on the iron core, and slide grooves are opened at both ends of the top of the bottom plate, sliders are slidably connected inside the two slide grooves, and clamp bases are connected to the tops of the two sliders, and two fixing clamps are fixedly connected to the tops of the two clamp bases, and the four fixing clamps are located at the two ends on both sides of the fixing frame, and screws are rotatably connected at both ends of the bottom plate, and one end of the two screws extends to the slide groove and is threadedly connected to the slider, a ventilation hole is opened on the top of the front of the fixing frame, a fan is fixedly installed inside the ventilation hole, and a temperature control switch is fixedly installed on the top of the fixing frame.

[0005] As a preferred technical solution of the utility model, a second fixing hole is opened on the top of the two clamp bases, screws are arranged in the two second fixing holes, and the two clamp bases are fixedly connected to the two sliders by screws respectively.

[0006] As a preferred technical solution of the utility model, both ends of the bottom plate are fixedly connected with mounting plates, and first fixing holes are provided on the two mounting plates.

[0007] As a preferred technical solution of the utility model, limiting sleeves are fixedly provided at both ends of the bottom plate, and the two limiting sleeves are rotatably connected to the two screw rods respectively.

[0008] As a preferred technical solution of the utility model, the fan is electrically connected to an external power supply through a temperature control switch.

[0009] As a preferred technical solution of the utility model, the other ends of the two screw rods are fixedly connected with a handle.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The bottom plate is installed and fixed, and then the hand is rotated manually to drive the screw to rotate, and the slider is driven to slide along the slide slot by rotating the screw, so that the fixing fixture moves toward the fixing frame, thereby clamping the fixing frame to fix the transformer core. The transformer core is fixed stably, and the disassembly and assembly operation is simple and convenient;

[0012] The temperature control switch senses the temperature, and when the temperature rises to a certain point, the fan is started, which drives the air to flow, and the heat is taken away by the air flow, thereby cooling down and extending the service life of the transformer core. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural stereogram of the utility model;

[0014] Figure 2 It is a partial structural diagram of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 It is a structural stereogram of the fixing fixture of the utility model.

[0017] In the figure: 1. fixing frame; 2. fixing fixture; 3. fixture base; 4. bottom plate; 5. mounting plate; 6. iron core; 7. handle; 8. screw; 9. ventilation hole; 10. first fixing hole; 11. fan; 12. positioning groove; 13. positioning block; 14. slide groove; 15. slider; 16. screw; 17. limit sleeve; 18. second fixing hole; 19. coil; 20. iron core slot; 21. temperature control switch. DETAILED DESCRIPTION

[0018] The following will be combined with 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 of 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.

[0019] See also Figure 1-4 The utility model provides an improved transformer core, including a bottom plate 4, a positioning groove 12 is provided at the center of the top of the bottom plate 4, a positioning block 13 is connected in the positioning groove 12, a fixing frame 1 is fixedly connected at the top of the positioning block 13, a core slot 20 is provided in the middle of the fixing frame 1, a core 6 is connected in the core slot 20, a coil 19 is provided on the core 6, a slide groove 14 is provided at both ends of the top of the bottom plate 4, a slider 15 is slidably connected inside the two slide grooves 14, a fixture base 3 is connected at the top of the two sliders 15, two fixing fixtures 2 are fixedly connected at the top of the two fixture bases 3, and the four fixing fixtures 2 are located at both ends of both sides of the fixing frame 1, a screw rod 16 is rotatably connected at both ends of the bottom plate 4, one end of the two screw rods 16 extends to the slide groove 14 and is threadedly connected to the slider 15, a ventilation hole 9 is provided at the top of the front of the fixing frame 1, a fan 11 is fixedly installed inside the ventilation hole 9, and a temperature control switch 21 is fixedly installed on the top of the fixing frame 1;

[0020] When in use, the iron core 6 with the coil 19 is engaged and fixed in the iron core slot 20 of the fixing frame 1, the slider 15 is driven to slide along the slide slot 14 by rotating the screw rod 16, the fixing frame 1 is clamped by the fixing clamp 2, and the fan 11 is controlled by the temperature control switch 21. The fan 11 is started to drive the air flow, and the heat is taken away by the flow of air, thereby cooling down and extending the service life of the transformer core.

[0021] The tops of the two clamp bases 3 are each provided with a second fixing hole 18 , and screws 8 are each provided in the two second fixing holes 18 . The two clamp bases 3 are respectively fixedly connected to the two sliders 15 via the screws 8 , and the clamp base 3 is fixedly connected to the slider 15 by screwing on the screws 8 .

[0022] Both ends of the bottom plate 4 are fixedly connected with mounting plates 5 . The two mounting plates 5 are provided with first fixing holes 10 . The bottom plate 4 is fixed through the first fixing holes 10 on the mounting plates 5 .

[0023] Limiting sleeves 17 are fixedly provided at both ends of the bottom plate 4 . The two limiting sleeves 17 are rotatably connected to the two screw rods 16 respectively to limit the screw rods 16 .

[0024] The fan 11 is electrically connected to an external power supply through a temperature control switch 21. The temperature control switch 21 senses temperature. When the temperature rises to a certain temperature, the temperature control switch 21 closes the circuit and starts the fan 11. The model of the temperature control switch 21 is HC03.

[0025] The other ends of the two screw rods 16 are fixedly connected to a handle 7 , and the screw rods 16 are driven to rotate by manually rotating the handle 7 .

[0026] In the utility model, the iron core 6 with the coil 19 is clamped and fixed in the iron core clamping slot 20 of the fixing frame 1, and the screw 16 is driven to rotate by manually rotating the hand 7, and the slider 15 is driven to slide along the slide slot 14 by rotating the screw 16, so that the fixing fixture 2 moves toward the fixing frame 1, thereby clamping and fixing the fixing frame 1, and fixing the bottom plate 4 through the first fixing hole 10 on the mounting plate 5;

[0027] The temperature control switch 21 senses the temperature. When the temperature rises to a certain temperature, the temperature control switch 21 closes the circuit and starts the fan 11. The fan 11 starts to drive the air flow, and the heat is taken away by the air flow, thereby cooling down and extending the service life of the transformer core.

[0028] 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 improved transformer core, comprising a bottom plate (4), characterized in that: A positioning groove (12) is provided at the center of the top of the bottom plate (4), a positioning block (13) is snap-connected in the positioning groove (12), a fixing frame (1) is fixedly connected to the top of the positioning block (13), an iron core snap-in groove (20) is provided in the middle of the fixing frame (1), an iron core (6) is snap-connected in the iron core snap-in groove (20), a coil (19) is provided on the iron core (6), sliding grooves (14) are provided at both ends of the top of the bottom plate (4), sliders (15) are slidably connected inside the two sliding grooves (14), and the tops of the two sliders (15) are A clamp base (3) is connected, and two fixing clamps (2) are fixedly connected to the tops of the two clamp bases (3), and the four fixing clamps (2) are located at the two ends of both sides of the fixing frame (1). The two ends of the bottom plate (4) are rotatably connected to screw rods (16), and one end of the two screw rods (16) extends to the slide groove (14) and is threadedly connected to the slider (15). A ventilation hole (9) is opened on the top of the front of the fixing frame (1), and a fan (11) is fixedly installed inside the ventilation hole (9). A temperature control switch (21) is fixedly installed on the top of the fixing frame (1).

2. The improved transformer core according to claim 1, characterized in that: The tops of the two clamp bases (3) are each provided with a second fixing hole (18), and screws (8) are each provided in the two second fixing holes (18). The two clamp bases (3) are respectively fixedly connected to the two sliders (15) via the screws (8).

3. The improved transformer core according to claim 1, characterized in that: Both ends of the bottom plate (4) are fixedly connected to mounting plates (5), and both mounting plates (5) are provided with first fixing holes (10).

4. The improved transformer core according to claim 1, characterized in that: Limiting sleeves (17) are fixedly provided at both ends of the bottom plate (4), and the two limiting sleeves (17) are rotatably connected to the two screw rods (16) respectively.

5. The improved transformer core according to claim 1, characterized in that: The fan (11) is electrically connected to an external power source via a temperature control switch (21).

6. The improved transformer core according to claim 1, characterized in that: The other ends of the two screw rods (16) are fixedly connected with a handle (7).

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