CN105517849A - Coil part - Google Patents
Coil part Download PDFInfo
- Publication number
- CN105517849A CN105517849A CN201480049645.2A CN201480049645A CN105517849A CN 105517849 A CN105517849 A CN 105517849A CN 201480049645 A CN201480049645 A CN 201480049645A CN 105517849 A CN105517849 A CN 105517849A
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- China
- Prior art keywords
- space
- coil component
- coil
- bobbin winder
- housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Details Of Aerials (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Coils Or Transformers For Communication (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The purpose of the present invention is to provide a coil part capable of inhibiting the ingress of moisture. A coil part characterized in being provided with a bobbin containing a winding part having an annular external peripheral surface, a conductive wire wound around the external peripheral surface and constituting an antenna coil, and a case that includes a cover unit for covering the antenna coil by being attached to the external peripheral side of the winding unit from one side in the axial direction in which the winding shaft of the antenna coil extends; a first drainage channel comprising a space formed by being sandwiched between the bobbin and the case being provided between the external peripheral surface and the end part of the cover unit on the other side in the axial direction, and the first drainage channel being provided along at least a portion of the external peripheral surface.
Description
Technical field
The present invention relates to a kind of coil component, or rather, relate to a kind of coil component possessing the coil be made up of wire.
Background technology
As the invention relevant to existing coil component, such as, there will be a known the coil antenna described in patent documentation 1.This coil antenna possesses bobbin winder bracket, moulding portion and main coil.Main coil is wound onto around bobbin winder bracket.Moulding portion covers main coil in the mode avoiding main coil externally to expose.
But, in the coil antenna described in patent documentation 1, between moulding portion and bobbin winder bracket, there is small gap.Therefore, moisture may to immerse via above-mentioned gap in coil antenna and to arrive main coil.Consequently, main coil may be caused to get rusty, corrode.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 9-27708 publication
Summary of the invention
To this, the object of the invention is to, a kind of coil component that can suppress the immersion of moisture is provided.
For solving the means of problem
The feature of the coil component involved by a technical scheme of the present invention is to possess: bobbin winder bracket, and it comprises the winder of the outer peripheral face with ring-type; Wire, it is wound in described outer peripheral face and forms aerial coil; And housing, it comprises cover portion, this cover portion to be installed to the outer circumferential side of described winder by the side of axis that extends from the wireline reel of described aerial coil and covers described aerial coil, be provided with the first space at least partially along this outer peripheral face between the end in the described cover portion in described axial opposite side and described outer peripheral face, this first space is by being clipped by described bobbin winder bracket and described housing and formed.
Invention effect
According to the present invention, the immersion of moisture can be suppressed.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of coil component 10.
Fig. 2 is the stereoscopic figure of coil component 10.
Fig. 3 is the bobbin winder bracket 12 of coil component 10 and the stereoscopic figure of winding 15.
Fig. 4 is the stereoscopic figure of the housing 14 of coil component 10.
Fig. 5 A is the block diagram of the section that coil component 10 is shown.
Fig. 5 B is from the stereoscopic figure after coil component 10 removes bobbin winder bracket 12.
Fig. 6 is the figure of top view coil component 10.
Fig. 7 is the insight structural map of the A-A line of the coil component 10 of Fig. 6.
Fig. 8 is the insight structural map of the B-B line of the coil component 10 of Fig. 6.
Fig. 9 is the insight structural map of the C-C line of the coil component 10 of Fig. 6.
Figure 10 is the insight structural map of the D-D line of the coil component 10 of Fig. 6.
Figure 11 is the insight structural map of the E-E line of the coil component 10 of Fig. 6.
Figure 12 is the figure from rear side top view coil component 10.
Insight structural map under the state that Figure 13 is coil component 10 inclination.
Detailed description of the invention
Below, with reference to accompanying drawing, the coil component involved by one embodiment of the present invention is described.Fig. 1 and Fig. 2 is the stereoscopic figure of coil component 10.Fig. 3 is the bobbin winder bracket 12 of coil component 10 and the stereoscopic figure of winding 15.Fig. 4 is the stereoscopic figure of the housing 14 of coil component 10.Fig. 5 A is the block diagram of the section that coil component 10 is shown.Fig. 5 B removes the stereoscopic figure after bobbin winder bracket 12 from coil component 10.Fig. 6 is the figure of top view coil component 10.Fig. 7 is the insight structural map of the A-A line of the coil component 10 of Fig. 6.Fig. 8 is the insight structural map of the B-B line of the coil component 10 of Fig. 6.Fig. 9 is the insight structural map of the C-C line of the coil component 10 of Fig. 6.Figure 10 is the insight structural map of the D-D line of the coil component 10 of Fig. 6.Figure 11 is the insight structural map of the E-E line of the coil component 10 of Fig. 6.Figure 12 is the figure from rear side top view coil component 10.Insight structural map under the state that Figure 13 is coil component 10 inclination.Below, the direction of regulation orthogonal for the axis of the bobbin winder bracket 12 of the ring-type with Fig. 1 and above-below direction are simply defined as above-below direction.In addition, when from upside top view, the long side direction of the axis of aerial coil Ant and coil component 10 is defined as fore-and-aft direction, the short side direction of the direction orthogonal with above-below direction and fore-and-aft direction and coil component 10 is defined as left and right directions.
Coil component 10 is such as the aerial installation used in the keyless entry, anti-theft system of vehicle, as shown in Fig. 1 ~ Fig. 5 A, possesses bobbin winder bracket 12, housing 14, winding 15, substrate 24 and pin 26,28.As shown in Figure 1, coil component 10 can be installed on automobile under the state that above-below direction is consistent with vertical, is installed on automobile under the state that also can tilt relative to vertical at above-below direction.
As shown in Figure 3, when from front side top view bobbin winder bracket 12, bobbin winder bracket 12 becomes the shape of combination oblong and semicircle.Bobbin winder bracket 12 comprises top 16 and bottom 18, such as, is made by resin.When from left side top view bobbin winder bracket 12, bobbin winder bracket 12 becomes the shape of the L font of the roughly rectangular top of combination 16 and roughly rectangular bottom 18.
The top 16 of bobbin winder bracket 12 has pedestal 16a, side 16b and winder 16c.When from front side top view pedestal 16a, pedestal 16a becomes the shape of combination oblong and semicircle.Specifically, pedestal 16a becomes the shape of installing the semicircle that side is upward given prominence on the limit of rectangular upside.
Side 16b is arranged along the outer rim of pedestal 16a.In more detail, side 16b turns back from the outer rim of semicircle of the first half occupying pedestal 16a towards rear, and turns back from each limit of rectangular left and right of the latter half occupying pedestal 16a towards rear.
Winder 16c becomes the short cylinder shape outstanding facing to front side of the front side from pedestal 16a.The center of winder 16c is consistent with the center of semicircle of the first half occupying pedestal 16a.But half radius of a circle that the radius ratio of winder 16c occupies the first half of pedestal 16a is little.In addition, circular hole is provided with in the mode running through pedestal 16a and winder 16c in the longitudinal direction.
In addition, as mentioned above, winder 16c cylindrically, therefore as shown in Figure 5A, has in circular outer peripheral face 30.As shown in Figure 3, the outer peripheral face 30 of winder 16c is wound with winding 15 described later.In addition, as shown in Figure 3, the front end of the front side of winder 16c is expanded towards outer circumferential side, to prevent winding 15 from coming off.
The bottom 18 of bobbin winder bracket 12 extends from the lower end on the top 16 of bobbin winder bracket 12 towards rear, thus forms drainage space Sp described later.In more detail, as shown in FIG. 2 and 3, bottom 18 has upper surface 18a, side 18b, 18c, back side 18d and adaptor union portion 18e.Upper surface 18a is being rectangle from during the top view of upside.Side 18b turns back downward from the limit in the left side of upper surface 18a.Side 18c turns back downward from the limit on the right side of upper surface 18a.Back side 18d turns back downward from the limit of the rear side of upper surface 18a.Adaptor union portion 18e is the cylindrical member that extends towards left side of 18b from the side.Adaptor union is inserted externally to adaptor union portion 18e.
Winding 15 is made up of the wire being coated with polyurethane around copper cash, and is wound in the outer peripheral face 30 of winder 16c.So, winding 15 is wound in the outer peripheral face 30 of winder 16c, forms aerial coil Ant thus.Below, in winding 15, the part being wound in winder 16c is called aerial coil Ant.The wireline reel of aerial coil Ant extends in the longitudinal direction.That is, wireline reel and plane-parallel.In addition, the two ends of winding 15 pull out to the below of winder 16c.
As shown in Figure 4, when from front side top view housing 14, housing 14 becomes the shape of combination oblong and semicircle, when from left side top view housing 14, becomes the shape of L font.Housing 14 comprises top 20 and bottom 22, such as, is made by resin.
The top 20 of housing 14 has pedestal 20a, side 20b and cylindrical portion 20c.When from front side top view pedestal 20a, pedestal 20a becomes the shape of combination oblong and semicircle, has the shape roughly the same with pedestal 16a.Specifically, pedestal 20a becomes the shape of installing the semicircle that side is upward given prominence on the limit of rectangular upside.
Side 20b is arranged along the outer rim of pedestal 20a.In more detail, side 20b turns back from the outer rim of semicircle of the first half occupying pedestal 20a towards rear, and turns back from each limit of rectangular left and right of the latter half occupying pedestal 20a towards rear.
Cylindrical portion 20c becomes the short cylinder shape outstanding facing to front side of the front side from pedestal 20a.Wherein, the front end of the front side of cylindrical portion 20c bends towards inner circumferential side.The center of cylindrical portion 20c is consistent with the center of semicircle of the first half occupying pedestal 20a.Wherein, to occupy half radius of a circle of the first half of pedestal 20a little for the radius ratio of cylindrical portion 20c.In addition, circular hole is provided with in the mode running through pedestal 20a and cylindrical portion 20c in the longitudinal direction.
The bottom 22 of housing 14 extends from the lower end on the top 20 of housing 14 towards rear, and forms drainage space Sp described later together with bottom 18.In more detail, as shown in Fig. 2 and Fig. 4, bottom 22 has bottom surface 22a and side 22b, 22c.Bottom surface 22a being rectangle from during the top view of upside, to tilt about 1 degree along with the mode reduced towards rear side.Side 22b turns back upward from the limit in the left side of bottom surface 22a.Side 22c turns back downward from the limit on the right side of bottom surface 22a.
As shown in Figure 1, the side (i.e. front side) of the axis extended from the wireline reel of aerial coil Ant by the top 20 of the housing 14 that will form in the above described manner is installed to the outer circumferential side of winder 16c, thus, as cover antenna loop A nt housing section and play function.
In more detail, as shown in Figure 5A, cylindrical portion 20c covers winder 16c from front side.Thus, when from front side top view, cylindrical portion 20c is overlapping with aerial coil Ant.In addition, side 20b and cylindrical portion 20c covers the aerial coil Ant being wound in the outer peripheral face 30 of winder 16c from outer circumferential side.In addition, side 20b covers side 16b from outer circumferential side.Thus, as shown in Figure 5A, the inner peripheral surface of side 20b contacts with the outer peripheral face of side 16b.In addition, side 16b exposes to rear side relative to side 20b.
In addition, when housing 14 is installed on bobbin winder bracket 12, as shown in Figure 5A, utilize the bottom 18 of bobbin winder bracket 12, the bottom 22 of housing 14 to form rectangular-shaped drainage space Sp.In more detail, the bottom 18 of bobbin winder bracket 12 is overlapping with the upside of the bottom 22 of housing 14.Now, the side 18b of bobbin winder bracket 12 is overlapping with the side 22b of housing 14 from left side, and the side 18c of bobbin winder bracket 12 is overlapping with the side 22c of housing 14 from right side.Thus, the rectangular-shaped drainage space Sp surrounded by upper surface 18a, side 18b, 18c, 22b, 22c, back side 18d, bottom surface 22a and pedestal 16a, 20a is formed in the below on the top 16 of bobbin winder bracket 12 and the top 20 of housing 14.
As shown in Figure 5A, substrate 24 is rectangle, and is arranged in drainage space Sp.In more detail, substrate 24 is arranged on the interarea of the downside of upper surface 18a.Substrate 24 possesses the signal processing circuit that the high-frequency signal that receives aerial coil Ant processes.
As shown in Figure 5 B, pin 26,28 to be mounted on substrate 24 and terminal in U-shaped.In more detail, pin 26,28 extends from the upper surface of substrate 24 towards upside, and then towards front side bending, further towards lower lateral buckling.The front end of pin 26,28 is positioned at than substrate 24 position on the lower.In addition, the two ends of winding 15 are wound in pin 26,28 respectively.Pin 26,28 is fixed at the two ends of winding 15 by scolding tin.
But coil component 10 has for suppressing the structure making aerial coil Ant corrode or get rusty because of the immersion of moisture.In coil component 10, as mentioned above, the inner peripheral surface of side 16b contacts with the outer peripheral face of side 20b.But, as shown in Figure 5A, between the inner peripheral surface and the outer peripheral face of side 20b of side 16b, there is small clearance G.Therefore, when water enters coil component 10 from rear side, moisture likely immerses aerial coil Ant through clearance G.
To this, in coil component 10, between the end t (being rear end t below) of the side 20b in the opposite side axially (i.e. rear side) that the wireline reel of aerial coil Ant extends and the outer peripheral face 30 of winder 16c, be provided with the draining road R1 that the space formed at least partially and by being clipped by the side 20b of the side 16b of bobbin winder bracket 12 and housing 14 along outer peripheral face 30 is formed.In more detail, as shown in Fig. 5 A ~ Fig. 9, draining road R1 becomes upwardly projecting semicircle shape, and is positioned at the position of the top side of center of gravity of the region R (with reference to Fig. 9) surrounded than the outer peripheral face 30 of winder 16c.In the present embodiment, draining road R1 is arranged along outer peripheral face 30 in the position of side more top than the center of rounded region R.Center of gravity can by being set to uniform object to obtain by region R, or center of gravity can be obtained as the center of fiqure in the face of the region R of Fig. 9.
As shown in Fig. 5 A and Fig. 7, draining road R1 is the space formed in the following way: the groove 32a that the outer peripheral face of the side 16b of bobbin winder bracket 12 is formed towards inner circumferential side depression is covered by the inner peripheral surface of the side 20b of housing 14.
In addition, draining road R2, R3 is connected with at the two ends of draining road R1.In more detail, draining road R2 extends downward from the left end of draining road R1, is coupled together by draining road R1 and drainage space Sp.Draining road R3 extends downward from the right-hand member of draining road R1, is coupled together by draining road R1 and drainage space Sp.
As shown in Fig. 3, Fig. 8 and Fig. 9, draining road R2, R3 are the spaces respectively by such as under type formation: the outer peripheral face of the side 16b of bobbin winder bracket 12 is caved in and groove 32b, 32c of formation are covered by the inner peripheral surface of the side 20b of housing 14.
At this, when from rear side top view coil component 10, the area of section of draining road R1 is greater than the half of the area of the clearance G formed along the part D1 (with reference to Fig. 2) of draining road R1 in the junction surface of side 16b and side 20b.The junction surface of side 16b and side 20b refers to, the rear end t of side 20b and the contact portion of side 16b.Specifically, the clearance G of about 0.05mm is there is at part D1.That is, draining road R1 is immersed in the region of area that water can obtain from the length of part D1 being multiplied with the size of clearance G.The water being immersed in the left-half of draining road R1 flows to draining road R2 gradually, and the water being immersed in the right half part of draining road R1 flows to draining road R3 gradually.To this, the area (following, the area of section of draining road R1) of the section orthogonal with bearing of trend of draining road R1 is greater than the half of the area of the clearance G formed at part D1.Thus, the water being immersed in the right half part of draining road R1 flows to draining road R2 from draining road R1 swimmingly, and the water being immersed in the left-half of draining road R1 is smooth and easy flows to draining road R3 from draining road R1.
In addition, when from rear side top view coil component 10, the area of section of draining road R2 is greater than the area of the clearance G formed along the part D2 (with reference to Fig. 2) of draining road R2 in the junction surface of side 16b and side 20b.Specifically, the clearance G of about 0.1mm is there is at part D2 (with reference to Fig. 2).That is, draining road R2 is immersed in the region of area that water can obtain from the length of part D2 being multiplied with the size of clearance G.To this, the area (the following area of section for draining road R2) of the section orthogonal with bearing of trend of draining road R2 is greater than the area of the clearance G formed at part D2.Thus, the water being immersed in draining road R2 flows to drainage space Sp from draining road R2 swimmingly.
In addition, when from rear side top view coil component 10, the area of section of draining road R3 is greater than the area of the clearance G formed along the part D3 (not shown) of draining road R3 in the junction surface of side 16b and side 20b.Specifically, the clearance G of about 0.1mm is there is at part D3.That is, draining road R3 is immersed in the region of area that water can obtain from the length of part D3 being multiplied with the size of clearance G.To this, the area (the following area of section for draining road R3) of the section orthogonal with bearing of trend of draining road R3 is greater than the area of the clearance G formed at part D3.Thus, the water being immersed in draining road R3 flows to drainage space Sp from draining road R3 swimmingly.
In addition, the water flowing into drainage space Sp is discharged outside coil component 10 via the discharge port Op1 ~ Op6 arranged in the bottom 22 of the bottom 18 of bobbin winder bracket 12, housing 14.Specifically, as shown in Figure 10, discharge port Op1, Op2 are the holes arranged in the position of the forward side of the central authorities of the fore-and-aft direction than bottom surface 22a, are got up by the ft connection of the drainage space Sp arranged in the inside of coil component 10 and coil component 10.Discharge port Op1 and discharge port Op2 arranges in the lateral direction.
At this, use under the state that coil component 10 tilts relative to vertical at above-below direction sometimes.Specifically, as shown in figure 13, sometimes to make housing 14 be positioned at the mode than bobbin winder bracket 12 position on the lower and to be inclined relative to horizontal the mode layout line coil component 10 of predetermined angular (being 30 degree in the present embodiment) with the axis making the wireline reel of aerial coil Ant extend.In this case, pin 26,28 is preferably avoided coming in contact with the water W be stored in drainage space Sp.
To this, in coil component 10, when as shown in Figure 13 by coil component 10 tilted configuration, the lower end of pin 26,28 is positioned at the position of side more top than discharge port Op1, Op2.Thus, pin 26,28 is suppressed to contact with water W.
As shown in figure 11, discharge port Op3, Op4 be the fore-and-aft direction than bottom surface 22a central authorities rearward side position arrange hole, the ft connection of drainage space Sp and coil component 10 is got up.Discharge port Op3 and discharge port Op4 arranges in the lateral direction.
As shown in figure 12, discharge port Op5, Op6 are the holes arranged between the lower end of 18d overleaf and bottom surface 22a, are got up by the ft connection of drainage space Sp and coil component 10.Discharge port Op5 and discharge port Op6 arranges in the lateral direction.
In coil component 10 such above, as shown in the arrow of Fig. 5 B, the more than half of water of flowing out from draining road R2, R3 flows into drainage space Sp.Then, water flows out to drainage space Sp from discharge port Op1 ~ Op6.Wherein, flow out from the first type surface of a part through the left side of side 22b of the water of draining road R2 outflow to the outside of coil component 10.In addition, flow out from the first type surface of a part through the right side of side 22c of the water of draining road R3 outflow to the outside of coil component 10.
In the coil component 10 formed as described above, insert the key of automobile to the hole arranged on the top 20 of the top 16 of bobbin winder bracket 12, housing 14.Be provided with high-frequency signal generator on the key, thus emission of high frequency signals.Aerial coil Ant receives high-frequency signal.Thus, substrate 24 obtains high-frequency signal via aerial coil Ant.
(effect)
According to the coil component 10 formed as described above, the immersion of moisture can be suppressed.In more detail, cover antenna loop A nt is installed by the outer circumferential side of the past side direction winder 16c in the top 20 of housing 14.In this case, water may the rear end t of 20b and the clearance G of side 16b immerse from the side.
To this, in coil component 10, between the rear end t and the outer peripheral face 30 of winder 16c of the side 20b of housing 14, be provided with the draining road R1 (example in the first space) that the space formed at least partially and by being clipped by bobbin winder bracket 12 and housing 14 along outer peripheral face 30 is formed.Thus, the water that the rear end t of 20b and the clearance G of side 16b immerse from the side was blocked the way by draining road R1 before arriving aerial coil Ant.Consequently, water is suppressed to arrive aerial coil Ant.
In addition, draining road R1 becomes upwardly projecting semi-circular shape, and draining road R2 (example of second space) and draining road R3 (example in the 3rd space) extends downward from the two ends of draining road R1 respectively.And draining road R2, R3 are connected with drainage space Sp (example in the 4th space).Thus, water arrives drainage space Sp from draining road R1 via draining road R2, R3 under gravity.Drainage space Sp is formed by the space sharing the first space forming portion formed on bobbin winder bracket 12 and the second space forming portion formed on housing 14.
In addition, in coil component 10, water is suppressed to flow to aerial coil Ant from draining road R1.In more detail, when from rear side top view coil component 10, the area of section of draining road R1 is greater than the half of the area of the clearance G formed along the part D1 (with reference to Fig. 2) of draining road R1 in the junction surface of side 16b and side 20b.Thus, the water yield that time per unit is discharged from draining road R1 flows into the water yield of draining road R1 from clearance G more than time per unit.Therefore, suppress water to overflow from draining road R1, thus suppress water to immerse aerial coil Ant.
In addition, in coil component 10, suppress water from draining road R2, R3 to draining road R1 adverse current.In more detail, when from rear side top view coil component 10, the area of section of draining road R2, R3 is greater than the area of the clearance G formed along part D2, the D3 (with reference to Fig. 2) of draining road R2, R3 in the junction surface of side 16b and side 20b respectively.Thus, time per unit is greater than the water yield of time per unit from clearance G inflow draining road R2, R3 from the water yield that draining road R2, R3 discharge.Therefore, suppress water to overflow from draining road R2, R3, suppress water to draining road R1 adverse current.
In addition, in coil component 10, when from front side top view, turn back to inner circumferential side in the mode overlapping with aerial coil Ant in the front end of the front side of cylindrical portion 20c.Thus, the front side of winder 16c is covered by cylindrical portion 20c.Consequently, even if water enters from the front side of coil component 10, water also can be suppressed to arrive aerial coil Ant.
In addition, in coil component 10, bottom surface 22a is rectangle, to tilt about 1 degree along with the mode reduced towards rear side.Thus, the water in drainage space Sp flows towards rear on the 22a of bottom surface, and discharges from discharge port Op5, Op6.
In addition, in coil component 10, substrate 24 is arranged on the first type surface of the downside of upper surface 18a.Thereby, it is possible to suppress water to enter substrate 24.
(other embodiment)
Coil component involved in the present invention is not limited to the coil component 10 involved by described embodiment, can be changed in the scope of its purport.
It should be noted that, winder 16c may not be drum and is prism-shaped.
It should be noted that, draining road R2, R3 are formed as being clipped by bobbin winder bracket 12 and housing 14, but also can only be arranged on bobbin winder bracket 12, or are only arranged on housing 14.
It should be noted that, bottom 18 is arranged on the upside of bottom 22, but bottom 22 also can be arranged on the upside of bottom 18.In this case, discharge port Op1 ~ Op4 is provided with in bottom 18.
Industrial applicibility
As described above, the present invention is useful for coil component, especially water immersion this respect can suppressed to be excellent.
The explanation of Reference numeral
Ant aerial coil
Op1 ~ Op6 discharge port
R1 ~ R3 draining road
Sp drainage space
T end
10 coil components
12 bobbin winder brackets
14 housings
15 windings
16,20 tops
16a, 20a pedestal
16b, 20b side
16c winder
18,22 bottoms
20c cylindrical portion
Round substrate
26,28 pins
30 outer peripheral faces
32a ~ 32c groove
D1 ~ D3 part
Claims (10)
1. a coil component, is characterized in that,
Described coil component possesses:
Bobbin winder bracket, it comprises the winder of the outer peripheral face with ring-type;
Wire, it is wound in described outer peripheral face and forms aerial coil; And
Housing, it comprises cover portion, and this cover portion to be installed to the outer circumferential side of described winder by the side of axis that extends from the wireline reel of described aerial coil and covers described aerial coil,
Be provided with the first space at least partially along this outer peripheral face between the end in the described cover portion in described axial opposite side and described outer peripheral face, this first space is by being clipped by described bobbin winder bracket and described housing and formed.
2. coil component according to claim 1, is characterized in that,
When to make the mode of described axis and plane-parallel configure described coil component, described first space is along this outer peripheral face of the position of the top side of the center of gravity being positioned at the region surrounded than described outer peripheral face.
3. coil component according to claim 1 and 2, is characterized in that,
Described bobbin winder bracket comprises the first space forming portion,
Described housing comprises second space forming portion,
When to make the mode of described axis and plane-parallel configure described coil component, than described winder and position on the lower, described cover portion, form the 4th space surrounded by described first space forming portion and described second space forming portion,
The second space get up the one end in described first space and described 4th spatial joins and the 3rd spatial placement other end in this first space and the 4th spatial joins got up are on described bobbin winder bracket and/or described housing.
4. coil component according to claim 3, is characterized in that,
The discharge port by described 4th space and ft connection is provided with in described first space forming portion and/or described second space forming portion.
5. coil component according to claim 4, is characterized in that,
Described coil component also possesses and arranges and the terminal reeled for the end of described wire in described 4th space,
When to make described housing be positioned at the mode than described bobbin winder bracket position on the lower and configure described coil component in the mode making described axis be inclined relative to horizontal predetermined angular, described terminal is positioned at the position of side more top than described discharge port.
6. the coil component according to any one of claim 3 to 5, is characterized in that,
Described first space is semicircle shape,
When to make the mode of described axis and plane-parallel configure described coil component, described second space and described 3rd space extend downward from the one end in described first space and the other end respectively.
7. coil component according to claim 6, is characterized in that,
When from described axial opposite side top view, the area of section in described first space is greater than the half along the area in the gap that the part in this first space is formed in the junction surface of described bobbin winder bracket and described housing.
8. the coil component according to claim 6 or 7, is characterized in that,
When from described axial opposite side top view, the area of section of described second space is greater than the area along the gap that the part of this second space is formed in the junction surface of described bobbin winder bracket and described housing.
9. coil component according to any one of claim 1 to 8, is characterized in that,
Described first space is that the groove formed on described bobbin winder bracket is covered by described housing and the space formed.
10. coil component according to any one of claim 1 to 9, is characterized in that,
When from described axial side top view, described cover portion is overlapping with described aerial coil.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013189655 | 2013-09-12 | ||
| JP2013-189655 | 2013-09-12 | ||
| PCT/JP2014/070883 WO2015037371A1 (en) | 2013-09-12 | 2014-08-07 | Coil part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105517849A true CN105517849A (en) | 2016-04-20 |
| CN105517849B CN105517849B (en) | 2017-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480049645.2A Active CN105517849B (en) | 2013-09-12 | 2014-08-07 | Coil component |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6123903B2 (en) |
| CN (1) | CN105517849B (en) |
| WO (1) | WO2015037371A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312672A (en) * | 2000-02-25 | 2001-09-12 | 阿尔卑斯电气株式会社 | Housing structure of frequency variator for receiving satellite transmission signals |
| JP2007009414A (en) * | 2005-06-28 | 2007-01-18 | Honda Lock Mfg Co Ltd | Anti-theft system for vehicle |
| CN201017978Y (en) * | 2007-02-02 | 2008-02-06 | 寰波科技股份有限公司 | Waterproof outer casing |
| CN102044751A (en) * | 2009-10-21 | 2011-05-04 | 胜美达集团株式会社 | Electronic component device |
| CN202737100U (en) * | 2012-04-24 | 2013-02-13 | 中电科微波通信(上海)有限公司 | Antenna protection cover |
| CN203192929U (en) * | 2013-02-05 | 2013-09-11 | 富士康(昆山)电脑接插件有限公司 | External antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0927708A (en) * | 1995-07-13 | 1997-01-28 | Tokai Rika Co Ltd | Coil |
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2014
- 2014-08-07 WO PCT/JP2014/070883 patent/WO2015037371A1/en active Application Filing
- 2014-08-07 CN CN201480049645.2A patent/CN105517849B/en active Active
- 2014-08-07 JP JP2015536491A patent/JP6123903B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312672A (en) * | 2000-02-25 | 2001-09-12 | 阿尔卑斯电气株式会社 | Housing structure of frequency variator for receiving satellite transmission signals |
| JP2007009414A (en) * | 2005-06-28 | 2007-01-18 | Honda Lock Mfg Co Ltd | Anti-theft system for vehicle |
| CN201017978Y (en) * | 2007-02-02 | 2008-02-06 | 寰波科技股份有限公司 | Waterproof outer casing |
| CN102044751A (en) * | 2009-10-21 | 2011-05-04 | 胜美达集团株式会社 | Electronic component device |
| CN202737100U (en) * | 2012-04-24 | 2013-02-13 | 中电科微波通信(上海)有限公司 | Antenna protection cover |
| CN203192929U (en) * | 2013-02-05 | 2013-09-11 | 富士康(昆山)电脑接插件有限公司 | External antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105517849B (en) | 2017-08-29 |
| JP6123903B2 (en) | 2017-05-10 |
| WO2015037371A1 (en) | 2015-03-19 |
| JPWO2015037371A1 (en) | 2017-03-02 |
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