Fixing metal component of PFC (Power Factor Correction) inductor

Abstract

The utility model discloses a fixing metal component of a PFC inductor. The fixing metal component comprises a component body used for installing the PFC inductor; the component body comprises a copper component used for installing a PFC inductor, and the PFC inductor is arranged on the copper component in a sleeving mode and is bonded with the copper component through glue. The buckle is arranged below the copper component and is used for being clamped on a circuit board; through holes are further formed in the centers of the copper component and the buckle. According to the utility model, the inductor is fixed by designing the fixing component, when the inductor is fixed, the inductor is sleeved on the copper component, the copper component is bonded by glue, then the copper component is buckled into the circuit board through the buckle, and finally, the inner barrel wire and the outer welding end of the PFC inductor are welded at preset positions, so that the installation work of the PFC inductor and the circuit board can be completed; compared with a traditional PFC inductor fixing mode that an inner barrel wire and an outer welding end are tightened, stress does not exist, and therefore the situation that a PFC inductor copper wire is broken due to stress is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PFC inductance's fixed, specifically a kind of PFC inductance's fixed metal component. BACKGROUND

[0002] PFC inductance is inductor for group power factor correction (Power Factor Correction, referred to as PFC) circuit.

[0003] The main purpose of PFC circuit is to improve the power factor in the circuit, reduce the reactive power in the circuit, so as to improve the efficiency of power conversion.

[0004] At present, PFC inductance is fixed when being fixed with circuit board, PFC inductance is fixed on the outer welding end and inner welding end of inductance coil, welding is completed, and in order to make the welding of inductance and circuit board stable, inner welding end and outer welding end need to be pulled tight, and copper wire is prone to break under the state of being pulled tight, which affects the use of circuit board. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of PFC inductance's fixed metal component to solve the above-mentioned problems existing in prior art.

[0006] Technical scheme: a kind of PFC inductance's fixed metal component, including:

[0007] Component body, for installing PFC inductance;

[0008] The component body includes:

[0009] Copper component, for installing PFC inductance, the PFC inductance is set on copper component, and is bonded by glue;

[0010] Buckle, be arranged below the copper component, for clamping on circuit board;

[0011] The copper component and buckle center place also have through hole.

[0012] The utility model is fixed by designing fixed component to fix inductance, when fixing, inductance is sleeved on copper component, is bonded by glue, then buckle is buckled into circuit board, finally PFC inductance inner cylinder wire and outer welding end are welded in predetermined position, the installation work of PFC inductance and circuit board can be completed, compared with the fixing mode of traditional PFC inductance through the tight inner cylinder wire and outer welding end, there is no stress, and then the situation that PFC inductance copper wire breaks under stress is avoided.

[0013] In a further embodiment, a fixing plate card is arranged below the copper component, the fixing plate card is provided with a through slot which is matched with the through hole, and the fixing plate card is used to fix the PFC inductor again and separate the PFC inductor from the circuit board by a predetermined distance;

[0014] The fixing plate card is welded with the copper component, and the copper component and the fixing plate card can be welded by a tin paste high-temperature box or a tin wire soldering iron.

[0015] In a further embodiment, the PFC inductor comprises:

[0016] A magnetic ring is sleeved on the copper component and located on the fixing plate card.

[0017] A coil is wound on the magnetic ring, the coil is formed by winding a plurality of copper wires, and two ends of the plurality of copper wires are respectively an inner welding end and an outer welding end.

[0018] In a further embodiment, the inner welding end is welded through the through hole, the through slot and the buckle.

[0019] The outer welding end is welded with the circuit board.

[0020] In a further embodiment, the magnetic ring, the coil and the fixing plate card are bonded by glue.

[0021] In a further embodiment, after the inner welding end is welded through the through hole, the through slot and the buckle, the copper component is filled with glue, and the glue is used to avoid high-frequency noise generated when the PFC inductor works.

[0022] However, if the metal component is not used, the glue is easy to flow to the back of the board along the copper wire.

[0023] After the metal component is used, the inner welding end is welded at the tail of the buckle, and then the glue is filled. The glue will not leak to the back of the board. During welding, the buckle is closed due to the limitation of the through hole of the circuit board, the aperture of the through hole is reduced, the aperture is supplemented by the inner welding end, and finally the through hole is welded and closed by the solder, and the inner welding end is welded on the buckle through the through hole, which can further stabilize the coil and reduce the use of solder for plugging the through hole.

[0024] When the traditional PFC inductor manufacturer delivers the inductor, the inductor below the fixing plate card is tightened and straightened for welding by the fixing plate card. At this time, the inductor body and the actual PCB have a height difference, and when placed on the PCB, it is easy to be unstable. After using the fixing metal component, the manufacturer can directly deliver the inductor body without the fixing plate card, and the buyer or the processing factory can weld the inductor and then fill the glue, so that the inductor body and the PCB are more stable.

[0025] Beneficial effects: the utility model discloses a kind of fixed metal components of PFC inductance, the utility model is fixed by design component to fix inductance, when fixing, inductance is sleeved in copper component, by glue bonding, again by buckle is buckled into circuit board, finally PFC inductance inner tube wire and outer welding end are welded in predetermined position, the installation work of PFC inductance and circuit board can be completed, in comparison with traditional PFC inductance by the fixed mode of tight inner tube wire and outer welding end, there is no stress, and then avoid the situation that PFC inductance copper wire breaks down under stress. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structure schematic diagram of the utility model.

[0027] Figure 2 It is the inductance and metal component connection schematic diagram of the utility model.

[0028] Figure 3 It is the inductance and metal component cross section structure schematic diagram of the utility model.

[0029] Figure 4 It is the inductance and fixed plate card connection structure schematic diagram of the utility model.

[0030] Reference signs are:

[0031] 1, component body;11, copper component;12, buckle;2, inductance;21, magnetic ring;22, coil;23, outer welding end;24, inner welding end;3, fixed plate card. DETAILED DESCRIPTION

[0032] The application relates to a kind of fixed metal components of PFC inductance, explained in detail below by specific implementation.

[0033] A kind of fixed metal components of PFC inductance, comprising:

[0034] component body 1, for installing PFC inductance 2;

[0035] The component body 1 includes:

[0036] copper component 11, for installing PFC inductance 2, the PFC inductance 2 is sleeved on copper component 11, and is bonded by glue;

[0037] buckle 12, be arranged below the copper component 11, for clamping on circuit board;

[0038] The copper component 11 and buckle 12 center place still have through hole.

[0039] The utility model discloses a fixed inductance 2 through design fixed component and fixes inductance 2, and when fixing, inductance 2 is sleeved on copper component 11, and through the adhesive bonding, then through the buckle 12 and is buckled into the circuit board, finally again PFC inductance 2 inner tube line and outer welding end 23 are welded in the predetermined position, can complete PFC inductance 2 and the installation work of circuit board, and compared with the fixed mode of traditional PFC inductance 2 through the tight inner tube line and outer welding end 23, there is no stress, and then avoided the situation that PFC inductance 2 copper line breaks down under stress.

[0040] The lower side of the copper component 11 is provided with a fixing plate buckle 3, the fixing plate buckle 3 is provided with a through slot matched with the through hole, the fixing plate buckle 3 is used to fix the PFC inductance 2 again, and the PFC inductance 2 is separated from the circuit board by a predetermined distance.

[0041] The fixing plate buckle 3 and the copper component 11 are welded and fixed, and the copper component 11 and the fixing plate buckle 3 can be welded by a tin paste high-temperature box or a tin wire soldering iron.

[0042] The PFC inductance 2 comprises:

[0043] The magnetic ring 21 is sleeved on the copper component 11 and located on the fixing plate buckle 3.

[0044] The coil 22 is wound on the magnetic ring 21, and the coil 22 is formed by winding a plurality of copper wires, and the two ends of the plurality of copper wires are respectively an inner welding end 24 and an outer welding end 23.

[0045] The inner welding end 24 is welded with the buckle 12 through the through hole and the through slot.

[0046] The outer welding end 23 is welded with the circuit board.

[0047] The magnetic ring 21, the coil 22 and the fixing plate buckle 3 are bonded by glue.

[0048] After the inner welding end 24 is welded with the buckle 12 through the through hole and the through slot, the copper component 11 is filled with glue, and the high-frequency noise existing when the PFC inductance 2 works is avoided by filling the glue.

[0049] However, if the metal component is not used, the glue is easy to flow to the back of the board along the copper wire;

[0050] After using the metal component, the inner welding end 24 is welded at the tail of the buckle 12 first, and then the glue is filled, the glue will not leak to the back of the board, and when welding, the buckle 12 is closed due to the limitation of the through hole of the circuit board, the aperture of the through hole is reduced, the aperture is supplemented by the inner welding end 24, and finally the through hole is welded and closed by solder sealing, the inner welding end 24 is welded on the buckle 12 through the through hole, which can further stabilize the coil 22 and reduce the use of solder sealing through the through hole.

[0051] The traditional PFC inductor 2 is shipped with a fixed plate clamp under the inductor 2, the copper wire of the inductor 2 is welded by being tightly stretched and straightened through the fixed plate clamp, at this time, the inductor 2 body and the actual PCB have a height difference, and when placed on the PCB, it is easy to be unstable; after using the fixed metal component, the manufacturer can directly ship the inductor 2 body without the fixed plate clamp, and the buyer or the processing factory can use the solder paste high-temperature box or the solder wire soldering iron to weld the copper component and the fixed plate clamp, after welding, the inductor 2 is filled with glue, so that the inductor 2 body and the PCB are more stable.

[0052] Working principle: when installing the PFC inductor 2, the PFC inductor 2 is sleeved on the copper component 11 and placed on the fixed plate clamp 3, and is bonded by glue, the inner welding end 24 of the PFC inductor 2 is inserted into the buckle 12 through the through hole and the through slot, and the buckle 12 is connected with the circuit board, the buckle 12 is welded with the circuit board, the outer welding end 23 is welded with the circuit board after the inner welding end 24 is welded with the buckle 12, and finally the glue is filled, and the fixing of the inductor 2 and the circuit board is completed.

[0053] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above embodiments, and various equivalent transformations of the technical solutions of the present application can be made within the technical concept of the present application, and these equivalent transformations all belong to the protection scope of the present application.

Claims

1. A fixed metal component of PFC inductor, comprising: a component body (1) for mounting PFC inductor (2); characterized in that the component body (1) comprises: a copper component (11) for mounting PFC inductor (2), the PFC inductor (2) is sleeved on the copper component (11) and is bonded by glue; a buckle (12) arranged below the copper component (11) for clamping on the circuit board; there is a through hole in the center of the copper component (11) and the buckle (12).

2. A fixed metal member of a PFC inductor according to claim 1, characterized in that: A fixed plate card (3) is arranged below the copper component (11), and a through slot is formed on the fixed plate card (3) and matched with the through hole.

3. A fixed metal member of a PFC inductor according to claim 2, characterized in that: The PFC inductor (2) comprises: a magnetic ring (21) sleeved on the copper component (11) and located on the fixed plate card (3); a coil (22) wound on the magnetic ring (21), the coil (22) is formed by winding a plurality of copper wires, and two ends of the plurality of copper wires are respectively an inner welding end (24) and an outer welding end (23).

4. A fixed metal member of a PFC inductor according to claim 3, characterized in that: The inner welding end (24) is welded with the buckle (12) through the through hole and the through slot; the outer welding end (23) is welded with the circuit board.

5. A fixed metal member of a PFC inductor according to claim 3, characterized in that: The magnetic ring (21), the coil (22) and the fixed plate card (3) are bonded by glue.

6. A fixed metal member of a PFC inductor according to claim 4, characterized by: After the inner welding end (24) is welded with the buckle (12) through the through hole and the through slot, the copper component (11) is filled with glue.

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