CN209929104U - Filament wire fixing structure of microwave oven power supply - Google Patents
Filament wire fixing structure of microwave oven power supply Download PDFInfo
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- CN209929104U CN209929104U CN201920051038.XU CN201920051038U CN209929104U CN 209929104 U CN209929104 U CN 209929104U CN 201920051038 U CN201920051038 U CN 201920051038U CN 209929104 U CN209929104 U CN 209929104U
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- winding
- filament wire
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Abstract
The utility model discloses a filament fixing structure of a microwave oven power supply, which comprises a power transformer, a circuit board and a filament harness, wherein the power transformer is fixed on the circuit board; the power transformer comprises a winding and a framework, the framework comprises two baffles, and the winding is wound in a wire slot between the baffles; one end of the filament wire harness is connected with a filament wire pin on the circuit board; the outer side of the baffle plate comprises a clamping groove, and a filament wire harness led out from the circuit board penetrates through the clamping groove. The utility model discloses lamp silk thread fixed knot constructs can prevent that the filament pencil from rocking, and the lamp silk thread can not rock the rupture because of the filament pencil with the welding position of circuit board in production transportation or assembling process.
Description
[ technical field ]
The utility model relates to a microwave oven power especially relates to a filament line fixed knot of microwave oven power constructs.
[ background art ]
The utility model discloses a microwave oven variable frequency power supply's transformer and microwave oven variable frequency power supply structure, the utility model of patent number CN201220431124.1 is supplied power by the microwave oven power supply to the filament of microwave oven magnetron. The microwave oven variable frequency power transformer comprises a winding, a magnetic core and a framework, wherein the magnetic core comprises a central column, a connecting column and side columns, and a frame-shaped structure formed by the central column, the connecting column and the side columns is supported by the framework; the center post passes through the centre bore of skeleton, and the both ends of skeleton include the lug, winding in the groove between the lug, the magnetic core vertical arrangement, the side column is located the top of center post. The microwave oven variable frequency power supply structure comprises a circuit board and components, wherein the components are fixed on the circuit board; the component comprises the transformer.
The windings of the power transformer of the microwave oven comprise a low-voltage primary winding, a high-voltage secondary winding and a filament winding. The high-voltage secondary winding is used for providing high voltage required by the magnetron work, and the filament winding is used for providing magnetron filament current. The working current of the filament winding is about 10A generally, and a high-voltage lamp wire of 0.8-1.0mm is needed to be connected with the magnetron. One end of the high-voltage lamp silk thread is welded on the circuit board, and the high-voltage lamp silk thread welded on the circuit board is not fixed in the production, transportation and assembly processes and is easy to shake, so that the part where the high-voltage lamp silk thread is connected with the circuit board is easy to break.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a filament line fixed knot of microwave oven power of rupture can not be produced because of rocking to the welding position of filament line and circuit board in production transportation and assembling process constructs.
In order to solve the technical problem, the utility model adopts the technical proposal that the filament wire fixing structure of the microwave oven power supply comprises a power transformer, a circuit board and a filament wire harness, wherein the power transformer is fixed on the circuit board; the power transformer comprises a winding and a framework, the framework comprises two baffles, and the winding is wound in a wire slot between the baffles; one end of the filament wire harness is connected with a filament wire pin on the circuit board; the outer side of the baffle plate comprises a clamping groove, and a filament wire harness led out from the circuit board penetrates through the clamping groove.
In the filament wire fixing structure, the winding comprises a low-voltage winding, a high-voltage winding and a filament winding, the framework comprises a U-shaped elastic buckle, and the U-shaped elastic buckle is positioned on the outer side of the filament winding baffle; the inner groove of the U-shaped elastic buckle is the clamping groove.
The filament wire fixing structure is characterized in that the U-shaped elastic buckle and the baffle are of an integral structure.
Above filament line fixed knot construct, U font elasticity buckle includes two elasticity curb plates, and the tip of elasticity curb plate includes interior gib head.
The utility model discloses lamp silk thread fixed knot constructs can prevent that the filament pencil from rocking, and the lamp silk thread can not rock the rupture because of the filament pencil with the welding position of circuit board in production transportation or assembling process.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front view of a power transformer according to an embodiment of the present invention.
Fig. 2 is a top view of the power transformer according to the embodiment of the present invention.
Fig. 3 is a left side view of the power transformer according to the embodiment of the present invention.
Fig. 4 is a perspective view of a power transformer according to an embodiment of the present invention.
Fig. 5 is a perspective view of another perspective view of the power transformer according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a power supply of a microwave oven according to an embodiment of the present invention.
[ detailed description of the invention ]
The embodiment of the utility model provides a structure of microwave oven power is as shown in figure 1 to figure 6, including power transformer 100, circuit board 1 and filament pencil 2, power transformer 100 fixes on circuit board 1. The power transformer 100 includes a winding (not shown) and a bobbin 3, the bobbin 3 includes two baffles 301, and the winding is wound in a wire slot between the baffles 301. One end of the filament wire harness 2 is welded with a filament wire pin on the circuit board 1.
The windings of the transformer include a low voltage winding, a high voltage winding, and a filament winding. The framework 3 is provided with a U-shaped elastic buckle 303, the U-shaped elastic buckle 303 is positioned at the outer side of the baffle 301A close to the filament winding wire groove 302, and the U-shaped elastic buckle 303 and the baffle 301A are of an integral structure. The U-shaped elastic buckle 303 comprises two elastic side plates 304, and the end parts of the elastic side plates 304 are provided with inner hook heads.
The inner groove of the U-shaped elastic buckle forms a clamping groove 305 of the filament harness 2. The filament harness 2 led out from the circuit board 1 passes through the card slot 305 to be fixed. The structure of the U-shaped elastic buckle 303 not only allows the filament harness 2 to be pushed in conveniently from the opening of the elastic buckle, but also prevents the filament harness 2 clamped into the clamping groove 305 from slipping.
The utility model discloses the filament line fixed knot of microwave oven power of above embodiment constructs can prevent that the filament pencil from rocking and causing filament line welding position rupture.
Claims (4)
1. A filament wire fixing structure of a microwave oven power supply comprises a power transformer, a circuit board and a filament wire harness, wherein the power transformer is fixed on the circuit board; the power transformer comprises a winding and a framework, the framework comprises two baffles, and the winding is wound in a wire slot between the baffles; one end of the filament wire harness is connected with a filament wire pin on the circuit board; the lamp filament wire harness protection device is characterized in that the outer side of the baffle plate comprises a clamping groove, and a lamp filament wire harness led out from the circuit board penetrates through the clamping groove.
2. The filament wire fixing structure according to claim 1, wherein the winding comprises a low-voltage winding, a high-voltage winding and a filament winding, the frame comprises a U-shaped elastic buckle, and the U-shaped elastic buckle is positioned outside the filament winding baffle; the inner groove of the U-shaped elastic buckle is the clamping groove.
3. The filament wire fixing structure according to claim 1, wherein the U-shaped elastic clip is integrally formed with the baffle.
4. The filament wire fixing structure according to claim 1, wherein the U-shaped elastic clip comprises two elastic side plates, and the end portions of the elastic side plates comprise inner hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051038.XU CN209929104U (en) | 2019-01-10 | 2019-01-10 | Filament wire fixing structure of microwave oven power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051038.XU CN209929104U (en) | 2019-01-10 | 2019-01-10 | Filament wire fixing structure of microwave oven power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929104U true CN209929104U (en) | 2020-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920051038.XU Active CN209929104U (en) | 2019-01-10 | 2019-01-10 | Filament wire fixing structure of microwave oven power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929104U (en) |
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2019
- 2019-01-10 CN CN201920051038.XU patent/CN209929104U/en active Active
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