A transformer with leakage inductance as resonant inductance
By setting up leakage inductance components in the transformer and using inductance components with different coil counts to generate different leakage inductances, the problem of the inductance fixation of existing transformers cannot be adjusted, and flexible adjustment of inductance size and convenience of use are achieved.
Patent Information
- Application Number
- CN202421448291.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The resonant inductor inside the existing transformer is fixed, and the inductor size cannot be adjusted as needed, resulting in different inductors needing to be installed when different inductor sizes are needed, which is inconvenient to use.
By setting up a leakage inductance component, under the action of the first inductance component, the second inductance component and the third inductance component, the leakage inductance component can be selected to energize these inductance components according to needs, and different leakage inductances are generated by inductance components with different coil counts, thereby achieving flexible adjustment of the inductance size.
The flexibility of adjusting the inductor size as needed is achieved, avoiding the need to install different inductors, thereby improving the convenience of the transformer.
Smart Images
Figure CN222720204U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a transformer with leakage inductance serving as resonant inductance. Background Art
[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core (magnetic core). In electrical equipment and wireless circuits, it is often used to increase or decrease voltage, match impedance, and provide safety isolation. In a generator, whether the coil moves through a magnetic field or the magnetic field moves through a fixed coil, an electric potential can be induced in the coil. In both cases, the value of the magnetic flux remains unchanged, but the amount of magnetic flux interconnected with the coil changes. This is the principle of mutual induction. A transformer is a device that uses electromagnetic mutual induction to transform voltage, current, and impedance.
[0003] The transformer mainly works by using inductance. Most of the existing transformers work by using resonant inductance. Since the resonant inductance inside the transformer is mostly set to a fixed value when in use, it cannot be adjusted according to the required inductance size. When different sizes of inductance are required, different inductors need to be installed, which brings inconvenience to the use of the transformer. Therefore, we propose a transformer with leakage inductance as the resonant inductance. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies in the prior art, the utility model provides a transformer using leakage inductance as a resonant inductor, which has the advantages of setting a leakage inductance component. Under the action of a first inductance component, a second inductance component and a third inductance component, the leakage inductance component can be energized with the first inductance component, the second inductance component or the third inductance component as needed when in use. The first coil, the second coil and the third coil on the first inductance component, the second inductance component and the third inductance component have different numbers of windings, resulting in different leakage inductances between the first inductance component, the second inductance component and the third inductance component, so that different resonances are generated when connected with the resonant component, and the resonant component is connected to the first inductance component, the second inductance component or the third inductance component according to the resonance to be used. The utility model solves the problem that most existing transformers work in a resonant inductor mode. Since the resonant inductor inside the transformer is mostly set to be fixed when in use, it cannot be adjusted according to the required inductance size. When inductors of different sizes are required, different inductors need to be installed, which brings inconvenience to the use of the transformer.
[0006] (II) Technical solution
[0007] In order to achieve the above purpose, by setting a leakage inductance component, under the action of the first inductance component, the second inductance component and the third inductance component, the leakage inductance component can be energized with the first inductance component, the second inductance component or the third inductance component as needed when in use. The first coil, the second coil and the third coil on the first inductance component, the second inductance component and the third inductance component have different numbers of windings, which leads to different leakage inductances between the first inductance component, the second inductance component and the third inductance component, and the resonance generated when connected with the resonant component is different. The resonant component is connected to the first inductance component, the second inductance component or the third inductance component according to the resonance used as needed. The utility model provides the following technical solutions: A transformer with leakage inductance as resonant inductance, comprising an upper bracket, a lower bracket fixedly connected to the bottom of the upper bracket, and the interior of the upper bracket comprising:
[0008] A leakage inductance component, the leakage inductance component comprising a leakage inductance core, a first inductance component being fixedly connected to the upper side of the surface of the leakage inductance core, a second inductance component being fixedly connected to the center of the surface of the leakage inductance core, and a third inductance component being fixedly connected to the lower side of the surface of the leakage inductance core;
[0009] The interior of the lower bracket includes:
[0010] A resonant component, the resonant component includes a resonant core, a resonant coil is wound on the surface of the resonant core, and a leakage inductance component is set. Under the action of the first inductance component, the second inductance component and the third inductance component, the leakage inductance component can be energized with the first inductance component, the second inductance component or the third inductance component as needed when in use. The first coil, the second coil and the third coil on the first inductance component, the second inductance component and the third inductance component have different numbers of windings, resulting in different leakage inductances between the first inductance component, the second inductance component and the third inductance component, so the resonance generated when connected with the resonant component is different. The resonant component is connected to the first inductance component, the second inductance component or the third inductance component according to the resonance used as needed.
[0011] As a preferred technical solution of the utility model, both ends of the two leakage inductance cores are commonly fixed to a connecting body connecting the cores, and the opposite sides of the two connecting cores are respectively fixedly connected to the upper and lower sides of the inner wall of the upper bracket, and the left and right ends of the resonant core are respectively fixedly connected to the left and right sides of the inner wall of the lower bracket. By setting the connecting core, it is convenient to connect the two leakage inductance cores, so that leakage inductance can be generated between the first inductance component, the second inductance component and the third inductance component on both sides.
[0012] As a preferred technical solution of the utility model, the first inductor component includes a first wire package skeleton, a first coil is wound around the surface of the first wire package skeleton, and a first plug board is fixedly connected to the front of the first wire package skeleton. By setting the first plug board, it is convenient to connect with the resonance component.
[0013] As a preferred technical solution of the utility model, the second inductor component includes a second wire package skeleton, a second coil is wound around the surface of the second wire package skeleton, and a second plug-in board is fixedly connected to the front of the second coil. By setting the second plug-in board, it is convenient to connect with the resonance component.
[0014] As a preferred technical solution of the utility model, the third inductor component includes a third wire wrap skeleton, a third coil is wound around the surface of the third wire wrap skeleton, and a third plug board is fixedly connected to the front of the third wire wrap skeleton. By setting the third plug board, it is convenient to connect with the resonance component.
[0015] As a preferred technical solution of the utility model, the inner wall of the first wire package skeleton is fixedly connected to the rod wall of the leakage inductance magnetic core, the inner wall of the second wire package skeleton is fixedly connected to the rod wall of the leakage inductance magnetic core, the inner wall of the third wire package skeleton is fixedly connected to the rod wall of the leakage inductance magnetic core, the two ends of the first coil are fixedly connected to the back of the first plug-in plate, the two ends of the second coil are fixedly connected to the back of the second plug-in plate, the two ends of the third coil are fixedly connected to the back of the third plug-in plate, the first plug-in plate can transmit current to the first coil, the second plug-in plate can transmit current to the second coil, and the third plug-in plate can transmit current to the third coil.
[0016] As a preferred technical solution of the utility model, connecting boards are fixedly connected to the left and right sides of the front of the lower bracket, and pins are fixedly connected to both ends of the resonant coil, and one end of the two pins is respectively fixedly connected to one side of the connecting board. By setting the connecting board and the pins, under the action of the pins, it is convenient to connect the resonant component with the first inductance component, the second inductance component or the third inductance component through the line, and under the action of the connecting board, the current can enter the resonant coil on the resonant magnetic core through the pins, so that the current can flow between the leakage inductance component and the resonant component.
[0017] (III) Beneficial effects
[0018] Compared with the prior art, the utility model provides a transformer with leakage inductance as resonant inductance, which has the following beneficial effects:
[0019] 1. The transformer is provided with a leakage inductance component. Under the action of the first inductance component, the second inductance component and the third inductance component, when the leakage inductance component is in use, it can be energized with the first inductance component, the second inductance component or the third inductance component as needed. The first coil, the second coil and the third coil on the first inductance component, the second inductance component and the third inductance component have different numbers of windings, so the leakage inductance generated between the first inductance component, the second inductance component and the third inductance component is different, and the resonance generated when connected with the resonance component is different. The resonance component is connected to the first inductance component, the second inductance component or the third inductance component according to the resonance used as needed.
[0020] 2. The transformer is provided with a connecting plug board and pins, and under the action of the pins, it is convenient to connect the resonant component with the first inductance component, the second inductance component or the third inductance component through a line, and under the action of the connecting plug board, the current can enter the resonant coil on the resonant magnetic core through the pins, so that the current can flow between the leakage inductance component and the resonant component. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0022] Figure 2 This is a schematic diagram of the explosion structure of the leakage inductor component of the utility model.
[0023] Figure 3 This is a schematic diagram of the explosion structure of the first inductor component of the utility model.
[0024] Figure 4 This is a schematic diagram of the explosion structure of the resonant component of the utility model.
[0025] In the figure: 1, upper bracket; 2, lower bracket; 3, leakage inductance component; 31, leakage inductance core; 32, first inductance component; 321, first wire package skeleton; 322, first coil; 323, first plug board; 33, second inductance component; 331, second wire package skeleton; 332, second coil; 333, second plug board; 34, third inductance component; 341, third wire package skeleton; 342, third coil; 343, third plug board; 35, connecting core; 4, resonant component; 41, resonant core; 42, resonant coil; 43, connecting plug board; 44, pin. DETAILED DESCRIPTION
[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0027] Example 1
[0028] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a transformer with leakage inductance as resonant inductance, including an upper bracket 1, a lower bracket 2 is fixedly connected to the lower side of the upper bracket 1, and the interior of the upper bracket 1 includes:
[0029] The leakage inductance component 3 is arranged longitudinally, and two groups of the leakage inductance components 3 are arranged, and the two groups of leakage inductance components 3 are arranged on the left and right sides of the upper bracket 1. The leakage inductance component 3 includes a leakage inductance core 31, and the upper side of the surface of the leakage inductance core 31 is fixedly connected with a first inductance component 32, the center of the surface of the leakage inductance core 31 is fixedly connected with a second inductance component 33, and the lower side of the surface of the leakage inductance core 31 is fixedly connected with a third inductance component 34;
[0030] The interior of the lower bracket 2 includes:
[0031] The resonant component 4 is disposed transversely and includes a resonant magnetic core 41 , and a resonant coil 42 is wound around the surface of the resonant magnetic core 41 .
[0032] Both ends of the two leakage inductance cores 31 are fixedly connected to the connecting body core 35. The opposite sides of the two connecting cores 35 are fixedly connected to the upper and lower sides of the inner wall of the upper bracket 1 respectively. The left and right ends of the resonant core 41 are fixedly connected to the left and right sides of the inner wall of the lower bracket 2 respectively.
[0033] The first inductor component 32 includes a first wire package skeleton 321 . A first coil 322 is wound around the surface of the first wire package skeleton 321 . A first plug board 323 is fixedly connected to the front of the first wire package skeleton 321 .
[0034] The second inductor assembly 33 includes a second wire package skeleton 331 . A second coil 332 is wound around the surface of the second wire package skeleton 331 . A second plug board 333 is fixedly connected to the front of the second coil 332 .
[0035] The third inductor assembly 34 includes a third wire package skeleton 341 . A third coil 342 is wound around the surface of the third wire package skeleton 341 . A third plug board 343 is fixedly connected to the front of the third wire package skeleton 341 .
[0036] The inner wall of the first coil skeleton 321 is fixedly connected to the rod wall of the leakage inductance core 31, the inner wall of the second coil skeleton 331 is fixedly connected to the rod wall of the leakage inductance core 31, the inner wall of the third coil skeleton 341 is fixedly connected to the rod wall of the leakage inductance core 31, the two ends of the first coil 322 are fixedly connected to the back of the first plug plate 323, the two ends of the second coil 332 are fixedly connected to the back of the second plug plate 333, and the two ends of the third coil 342 are fixedly connected to the back of the third plug plate 343.
[0037] During use, the size of the leakage inductance is used as required, and the specified first plug board 323, second plug board 333 or third plug board 343 is connected through the line, and the current flows through the first coil 322 on the first wire package skeleton 321, the second coil 332 on the second wire package skeleton 331 or the third coil 342 on the third wire package skeleton 341. Under the action of the leakage inductance core 31 and the connecting core 35, leakage inductance can be generated between the first inductance component 32, the second inductance component 33 and the third inductance component 34 on the left and right sides. The current flowing between the leakage inductance and the resonant coil 42 on the resonant core 41 generates resonance, so that the transformer can generate resonant inductance, and the resonance component 4 is connected to the first inductance component 32, the second inductance component 33 and the third inductance component 34 on the leakage inductance component 3. Since the leakage inductances generated by the first inductance component 32, the second inductance component 33 and the third inductance component 34 are different, the sizes of the generated resonant inductances are different, which facilitates the connection of the leakage inductance component 3 and the resonant component 4 as needed.
[0038] Example 2
[0039] Reference Figure 1-4 , which is the second embodiment of the utility model, the left and right sides of the front of the lower bracket 2 are fixedly connected with connecting plug plates 43, and the two ends of the resonant coil 42 are fixedly connected with pins 44, and one end of the two pins 44 is fixedly connected to one side of the connecting plug plate 43 respectively.
[0040] During use, when it is necessary to connect the resonant component 4 with the leakage inductance component 3, the connecting board 43 is connected to the designated first board 323, the second board 333 or the third board 343 through a wiring harness, so that current can flow between the leakage inductance core 31, the first inductance component 32, the second inductance component 33 and the resonant component 4, and the current is transmitted to the resonant coil 42 on the resonant core 41 through the pin 44 on the connecting board 43 to flow.
[0041] The remaining structures are the same as those of Example 1.
[0042] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A transformer with leakage inductance as resonant inductance, comprising an upper bracket (1), a lower bracket (2) being fixedly connected to the lower side of the upper bracket (1), characterized in that: The interior of the upper bracket (1) comprises: A leakage inductance component (3), the leakage inductance component (3) comprising a leakage inductance magnetic core (31), a first inductance component (32) being fixedly connected to the upper side of the surface of the leakage inductance magnetic core (31), a second inductance component (33) being fixedly connected to the center of the surface of the leakage inductance magnetic core (31), and a third inductance component (34) being fixedly connected to the lower side of the surface of the leakage inductance magnetic core (31); The interior of the lower bracket (2) comprises: A resonant component (4), the resonant component (4) comprising a resonant magnetic core (41), a resonant coil (42) being wound around the surface of the resonant magnetic core (41).
2. The transformer with leakage inductance as resonant inductance according to claim 1, characterized in that: Both ends of the two leakage inductance magnetic cores (31) are fixedly connected to a connecting body magnetic core (35) together, and opposite sides of the two connecting magnetic cores (35) are respectively fixedly connected to the upper and lower sides of the inner wall of the upper bracket (1), and the left and right ends of the resonant magnetic core (41) are respectively fixedly connected to the left and right sides of the inner wall of the lower bracket (2).
3. The transformer with leakage inductance as resonant inductance according to claim 2, characterized in that: The first inductor component (32) comprises a first wire package frame (321), a first coil (322) is wound around the surface of the first wire package frame (321), and a first plug board (323) is fixedly connected to the front of the first wire package frame (321).
4. The transformer with leakage inductance as resonant inductance according to claim 3, characterized in that: The second inductor component (33) comprises a second wire package skeleton (331), a second coil (332) is wound around the surface of the second wire package skeleton (331), and a second plug board (333) is fixedly connected to the front of the second coil (332).
5. The transformer with leakage inductance as resonant inductance according to claim 4, characterized in that: The third inductor component (34) comprises a third wire package skeleton (341), a third coil (342) is wound around the surface of the third wire package skeleton (341), and a third plug board (343) is fixedly connected to the front of the third wire package skeleton (341).
6. The transformer with leakage inductance as resonant inductance according to claim 5, characterized in that: The inner wall of the first coil skeleton (321) is fixedly connected to the rod wall of the leakage inductance magnetic core (31), the inner wall of the second coil skeleton (331) is fixedly connected to the rod wall of the leakage inductance magnetic core (31), the inner wall of the third coil skeleton (341) is fixedly connected to the rod wall of the leakage inductance magnetic core (31), the two ends of the first coil (322) are fixedly connected to the back of the first plug board (323), the two ends of the second coil (332) are fixedly connected to the back of the second plug board (333), and the two ends of the third coil (342) are fixedly connected to the back of the third plug board (343).
7. The transformer with leakage inductance as resonant inductance according to claim 6, characterized in that: The left and right sides of the front of the lower bracket (2) are both fixedly connected with a connecting plug board (43), and both ends of the resonant coil (42) are both fixedly connected with pins (44), and one end of the two pins (44) is respectively fixedly connected to one side of the connecting plug board (43).