Novel shielding transformer
By adopting metal shell, arc transition plate and symmetric core plate structure in the transformer, voltage drop and sealing problems are solved, stable connection and signal shielding are achieved, and the market demand for stable voltage is met.
Patent Information
- Application Number
- CN202420080819.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-01-12
AI Technical Summary
Existing transformers are susceptible to external signal interference during operation, causing voltage drop, poor sealing effect and unstable housing, making it difficult to connect to the circuit board.
A new type of shielding transformer was designed, using a metal shell, coil, core, base, PIN pin and bottom plate, sealed with sealing glue, and using arc-shaped transition plates and raised concave hole structures to enhance stability and shielding Effect, combining the symmetrically arranged core plate and quadrille column equalization transform function.
It effectively prevents voltage drop, improves sealing and housing stability, and enables the transformer to work stably and meets market demand.
Smart Images
Figure CN222300405U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a new shielding transformer. Background Art
[0002] With the widespread popularity of electronic products, the functions of electronic chips have changed a lot, so different voltage power supplies need to be provided to power electronic products or components. For different voltage power supplies, since the input power is constant, the output power needs to change, and transformers are often used to change the voltage. However, there are some defects in the transformers on the market. When they are interfered by external signals during operation, there will be a serious voltage drop, resulting in insufficient power supply voltage for electronic products or components, affecting the normal operation of electronic circuits, etc.; in addition, the sealing effect of the transformers on the market is not good, the stability of the transformer shell is not good, and it is not easy to connect to the circuit board, etc.
[0003] Therefore, in view of the above problems, the existing transformer needs to be further improved. Utility Model Content
[0004] The purpose of the utility model is to overcome the voltage drop phenomenon, poor sealing effect, unstable shell, difficulty in connecting circuit boards and the like of the existing transformer.
[0005] The technical solution of the utility model is as follows:
[0006] A new type of shielded transformer, the shielded transformer includes: a shell, a coil, a core, a base, a PIN pin and a bottom plate, the coil is wound on the core, the core is installed on the base, the base is installed on the bottom plate, the PIN pin is installed on the bottom plate and passes through the bottom plate and is electrically connected to the coil, the shell is sleeved on the base and installed on the bottom plate, and the shell wall and the bottom plate are sealed by sealant.
[0007] Furthermore, the shell includes a side wall, a top plate and a transition plate, and the side wall and the top plate are connected via the transition plate.
[0008] Furthermore, the transition plate is a curved transition plate.
[0009] Furthermore, the curvature of the transition plate is selected to be 30° to 60°.
[0010] Furthermore, the side walls surround the shell, and the size of the top plate is smaller than the opening size of the side walls (that is, the size of the connection between the side walls and the transition plate).
[0011] Furthermore, the shell is a square shell.
[0012] Furthermore, the shell is made of metal.
[0013] Furthermore, the shell wall thickness of the shell is selected to be 0.5mm to 1.5mm.
[0014] Furthermore, the shell wall thickness of the shell is selected to be 0.8 mm to 1.2 mm.
[0015] Furthermore, the PIN pin is a textured PIN pin.
[0016] Furthermore, the PIN pin is made of metal copper, tin-plated copper or stainless steel.
[0017] Furthermore, the core comprises a core plate and a central core column, the central core column is mounted on the core plate, the core plate is mounted on the base, and the coil is wound around the central core column.
[0018] Furthermore, the core plate comprises at least two core plates, and the coil is wound on a central core column between the core plates.
[0019] Furthermore, a core cavity is provided on the central axis of the central core column.
[0020] Furthermore, the central core column is a square central core column, and the core cavity is a square core cavity.
[0021] Furthermore, the base is selected from at least two bases, and a protrusion is provided on the outer side of the base, and the protrusion is used to abut against the inner wall of the shell.
[0022] Furthermore, the protrusion is a hemispherical protrusion.
[0023] Furthermore, the sealant is epoxy resin glue.
[0024] Beneficial Effects
[0025] The utility model rationally designs the transformer and adopts a metal shell, a coil, a core, a base, a PIN pin and a bottom plate, so that the voltage will not drop due to signal interference, the sealing is improved, the stability of the shell and the ease of connection to the circuit board are improved; the combination of the side wall, the top plate and the transition plate on the metal shell can be used to shield the external signal interference; the combination of the protrusions and the recessed holes can stabilize the connection between the shell and the base; the combination of the symmetrically arranged core plate and the hollow core column can balance the transformer's transformation function; the shielded transformer performs working detection, and when the shielded transformer is interfered by the signal, it can be found that the signal interference phenomenon can be shielded, especially when the thickness of the metal shell is 1mm, the voltage of the shielded transformer is stable and will not drop, thus meeting the market demand. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 The utility model is a schematic diagram of the structure of a new type of shielded transformer.
[0027] Figure 2 The utility model is a schematic diagram of the explosion structure of a new type of shielded transformer.
[0028] Figure 3 The utility model is a schematic diagram of the internal structure of a new type of shielded transformer.
[0029] Figure numbers: 01, side wall; 02, top plate; 03, transition plate; 04, base; 041, protrusion; 042, groove; 05, PIN pin; 06, bottom plate; 07, core; 071, core column; 072, core cavity; 08, coil. DETAILED DESCRIPTION
[0030] 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.
[0031] See also Figure 1-Figure 3 As shown, the utility model provides a new type of shielded transformer, which includes: a shell, a coil 08, a core 07, a base 04, a PIN pin 05 and a bottom plate 06, the coil 08 is wound on the core 07, the core 07 is installed on the base 04, the base 04 is installed on the bottom plate 06, the PIN pin 05 is installed on the bottom plate 06 and penetrates the bottom plate 06 and is electrically connected to the coil 08, the shell is sleeved on the base 04 and installed on the bottom plate 06, and the shell wall and the bottom plate 06 are sealed by a sealant; the shell is a square shell, and the shell is a metal shell, and the shell wall thickness of the shell is 1mm; the PIN pin 05 is a bite-shaped PIN pin, and the PIN pin 05 is made of tinned copper; the sealant is epoxy resin glue; the core 07 is made of plastic; the base is made of plastic, and the bottom plate 06 is made of plastic or insulating ceramic (such as alumina ceramic, aluminum nitride ceramic, etc.);
[0032] The shell includes a side wall 01, a top plate 02 and a transition plate 03. The side wall 01 and the top plate 02 are connected via the transition plate 03. The transition plate 03 is an arc-shaped transition plate, and the arc of the transition plate is 45°.
[0033] The side wall 01 surrounds the shell, and the size of the top plate 02 is smaller than the opening size of the side wall 01 (that is, the size of the connection between the side wall 01 and the transition plate 03);
[0034] Among them, the core 07 includes a core plate and a central core column 071, the central core column 071 is installed on the core plate, the core plate is installed on the base 04, and the coil 08 is wound on the central core column 071; the core plate selects three core plates, and core plates are installed at both ends of the central core column 071, and a core plate is installed in the middle of the central core column 071. Here, the core plate and the central core column 071 are selected as one-piece injection molding, and the coil 08 is wound on the central core column 071 between the core plates; a core cavity 072 is provided on the central axis of the central core column 071; the central core column 071 selects a square central core column 071, and the core cavity 072 selects a square core cavity 072;
[0035] Among them, two bases are selected as the base 04, and a protrusion 041 is provided on the outer side of the base 04. The protrusion 041 is used to abut against the inner wall of the shell. The protrusion 041 is selected as a hemispherical protrusion 041, and a concave hole is provided on the inner side of the side wall 01. The concave hole cooperates with the protrusion 041. Here, 4 evenly distributed protrusions 041 are selected on each base 04; a groove 042 is provided at the lower part of the base 04, and the groove 042 is used to make way for the PIN pin. Here, 4 evenly distributed PIN pins and corresponding 4 grooves 042 are selected at each base 04.
[0036] Specific implementation methods of the utility model: After the shielding transformer is assembled, the shielding transformer is tested for operation. When the shielding transformer is interfered with by a signal, it can be found that the signal interference phenomenon can be shielded, especially when the thickness of the metal shell is 1 mm, the voltage of the shielding transformer is stable and will not drop.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new type of shielded transformer, characterized in that: The shielded transformer includes: a shell, a coil, a core, a base, a PIN pin and a bottom plate, the coil is wound on the core, the core is mounted on the base, the base is mounted on the bottom plate, the PIN pin is mounted on the bottom plate and passes through the bottom plate and is electrically connected to the coil, the shell is sleeved on the base and mounted on the bottom plate, and the shell wall and the bottom plate are sealed by sealant.
2. A novel shielded transformer according to claim 1, characterized in that: The shell includes a side wall, a top plate and a transition plate, and the side wall and the top plate are connected via the transition plate.
3. A novel shielded transformer according to claim 1, characterized in that: The shell is a square shell.
4. A novel shielded transformer according to claim 3, characterized in that: The shell is made of metal.
5. A novel shielded transformer according to claim 4, characterized in that: The shell wall thickness of the shell is selected to be 0.5mm to 1.5mm.
6. A novel shielded transformer according to claim 1, characterized in that: The PIN pin is a textured PIN pin.
7. A novel shielded transformer according to claim 1, characterized in that: The core comprises a core plate and a central core column, wherein the central core column is mounted on the core plate, the core plate is mounted on the base, and the coil is wound around the central core column.
8. A novel shielded transformer according to claim 7, characterized in that: The core plate comprises at least two core plates, and the coil is wound on a central core column between the core plates.
9. A novel shielded transformer according to claim 7, characterized in that: A core cavity is arranged on the central axis of the central core column.
10. A novel shielded transformer according to claim 1, characterized in that: The base is selected from at least two bases, and a protrusion is provided on the outer side of the base, and the protrusion is used to abut against the inner wall of the shell.