CN203788608U - Induction element bracket and sensor with same - Google Patents
Induction element bracket and sensor with same Download PDFInfo
- Publication number
- CN203788608U CN203788608U CN201420148158.9U CN201420148158U CN203788608U CN 203788608 U CN203788608 U CN 203788608U CN 201420148158 U CN201420148158 U CN 201420148158U CN 203788608 U CN203788608 U CN 203788608U
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- China
- Prior art keywords
- rack body
- sensing element
- installation cavity
- element support
- magnet installation
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- Expired - Lifetime
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- 230000006698 induction Effects 0.000 title abstract 4
- 238000009434 installation Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 52
- 238000003466 welding Methods 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model provides an induction element bracket and a sensor with the same. The induction element bracket comprises a bracket body which is provided with a magnet installation cavity. The magnet installation cavity is close to one end of the bracket body and is located on the side of the bracket body. A support protrusion part is arranged at the bottom of the magnet installation cavity. A magnet is arranged in the magnet installation cavity through the support protrusion part. The area of the support protrusion part is less than the area of the bottom of the magnet installation cavity. The support protrusion part has high plane precision and can well fit the magnet. The magnet is not skew, and a magnetic field is not affected. According to the induction element bracket and the sensor with the same, which are provided by the utility model, the magnetic field is stable.
Description
Technical field
The utility model relates to automobile electronics field, in particular to a kind of sensing element support and have its transducer.
Background technology
There are a lot of shortcomings in sensing element support of the prior art: on the one hand, magnet is arranged in large plane, and the precision of flatness is inadequate, and magnet can not well be fitted with large plane, and magnetic field is had a certain impact; On the other hand, electric wire does not have the correct position of placing, and electric wire and support are connected and fixed, and can make many, electric wire break in electric wire flanging process, and heart yearn is exposed to support outside, not protection, and risk fractures; Again on the one hand, the fixing difficulty of chip, the risk that has in support play or depart from from support.
Utility model content
The utility model aims to provide the more stable sensing element support in a kind of magnetic field and has its transducer.
To achieve these goals, according to an aspect of the present utility model, a kind of sensing element support is provided, comprise: rack body, there is magnet installation cavity, magnet installation cavity is near one end of rack body and be positioned at the side of rack body, and wherein, the bottom of magnet installation cavity has support protrusion portion.
Further, the cross section of the bottom that is parallel to magnet installation cavity of support protrusion portion is cross, M shape or bifurcation font.
Further, also comprise: meltability chip fixed part, is connected on rack body and is positioned at the accent edge of magnet installation cavity.
Further, meltability chip fixed part is two, and two meltability chip fixed parts are relatively arranged on the both sides of magnet installation cavity.
Further, also comprise: two welding cavities, along the Width of rack body, be intervally arranged side by side and run through rack body along the direction of the bottom of vertical magnet installation cavity, on rack body, be also provided with two metallic channels, one end of two metallic channels is communicated with respectively with two welding cavities, the other end extends to one end away from welding cavity of rack body respectively, and metallic channel and magnet installation cavity are positioned on the same side of rack body.
Further, also comprise: electric wire location division, there is the one end away from welding cavity that can hold the container cavity of electric wire and be positioned at rack body and be connected with metallic channel, electric wire location division and metallic channel are positioned on the same side of rack body.
Further, electric wire location division is U-lag, and the opening direction of U-lag is consistent with the opening direction of magnet installation cavity.
Further, also comprise: two the first fixed parts, are oppositely arranged and are positioned at the relative both sides of rack body along the Width of rack body; The second fixed part, is arranged on the outer surface of one end of rack body.
Further, also comprise: meltability sealing, meltability sealing be arranged on rack body and be positioned at the first fixed part and the second fixed part on.
Further, meltability sealing comprises: two group of first sealing ring and the second sealing ring, and the periphery of each the first fixed part is provided with one group of first sealing ring and the second sealing ring with one heart, and the diameter of every group of first sealing ring and the second sealing ring increases progressively successively; Two the 3rd sealing rings, two the 3rd sealing rings are spaced apart and arrange with the second fixed part is concentric.
Further, the first sealing ring and the second sealing ring all have the first bigger diameter end and the first miner diameter end, and toward the outer side, the first miner diameter end is towards inner side for the first bigger diameter end, and the first bigger diameter end is connected by the first taper surface with the first miner diameter end; Two the 3rd sealing rings all have the second bigger diameter end and the second miner diameter end, and the second bigger diameter end is away from magnet installation cavity, and the second miner diameter end is near magnet installation cavity, and the second bigger diameter end is connected by the second taper surface with the second miner diameter end.
According to another aspect of the present utility model, a kind of transducer is also provided, comprise sensing element support, sensing element support is aforementioned any one sensing element support.
Application the technical solution of the utility model, sensing element support comprises rack body, and rack body has magnet installation cavity, and magnet installation cavity is near one end of rack body and be positioned at the side of rack body, and wherein, the bottom of magnet installation cavity has support protrusion portion.Magnet is installed in magnet installation cavity by support protrusion portion, the area of support protrusion portion is less than the area of the bottom of magnet installation cavity, the flatness precision of support protrusion portion is high and more fit with magnet, magnet can be not crooked and then can not be affected magnetic field, so sensing element support of the present utility model and to have its magnetic field of transducer more stable.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the vertical view of sensing element support of the present utility model;
Fig. 2 shows the A-A of Fig. 1 to profile;
Fig. 3 shows the B place partial enlarged drawing of Fig. 2;
Fig. 4 shows the C place partial enlarged drawing of Fig. 3;
Fig. 5 shows the front view of sensing element support of the present utility model; And
Fig. 6 shows the left view of Fig. 5.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the utility model provides a kind of sensing element support.
Particularly, sensing element support comprises rack body 10, and rack body 10 has magnet installation cavity 11, and magnet installation cavity 11 is near one end of rack body 10 and be positioned at the side of rack body 10, and wherein, the bottom of magnet installation cavity 11 has support protrusion portion 111.
Because magnet can be installed in magnet installation cavity 11 by support protrusion portion 111, the area of support protrusion portion 111 is less than the area of the bottom of magnet installation cavity 11, support protrusion portion not only flatness precision is high but also can more fit with magnet, magnet can be not crooked and then can not be affected magnetic field, so the magnetic field of this sensing element support is more stable.
As shown in Figure 1, the cross section of the bottom that is parallel to magnet installation cavity 11 of support protrusion portion 111 is cross, M shape or bifurcation font.
Preferably, the cross section of the bottom that is parallel to magnet installation cavity 11 of support protrusion portion 111 is cross, and such structure is manufactured fairly simple, and structure is also the most stable.By cross planar structure, reduce the contact area of magnet and sensing element support, but it is stable to have guaranteed again that magnet is installed simultaneously.Cross planar design, by reducing surface area, has reduced the harmful effect to flatness producing because of contraction distortion in sensing element rack making process, guarantees the position of magnet in sensing element support, has also just further guaranteed the stability in magnetic field.
With shown in Fig. 6, sensing element support also comprises meltability chip fixed part 20 as shown in Figure 1, Figure 2, is connected on rack body 10 and is positioned at the accent edge of magnet installation cavity 11.As shown in Fig. 1 and Fig. 6, preferably, meltability chip fixed part 20 is two, and two meltability chip fixed parts 20 are relatively arranged on the both sides of magnet installation cavity 11.After magnet, chip and electric wire are installed on rack body 10, by heat pressing process, make the resin melting of meltability chip fixed part 20 and stick on chip surface, chip and magnet are fixed on rack body 10.
Sensing element support also comprises two welding cavities 30, its arrangement form preferably as depicted in figs. 1 and 2, two welding cavities 30 are intervally arranged side by side and run through rack body 10 along the direction of the bottom of vertical magnet installation cavity 11 along the Width of rack body 10, are also provided with two metallic channels 40 on rack body 10.One end of two metallic channels 40 is communicated with respectively with two welding cavities 30, and a metallic channel 40 is communicated with a welding cavity 30.The other end of two metallic channels 40 extends to one end away from welding cavity 30 of rack body 10 respectively, and metallic channel 40 is positioned on the same side of rack body 10 with magnet installation cavity 11.After chip and electric wire are arranged in rack body 10, in rack body 10, designing above-mentioned two upper and lower penetrating spaces is welding cavity 30, and the welding that chip and electric wire were placed and completed to resistance welding head is convenient in this space.Heart yearn is arranged in metallic channel 40, and the position that accurately locating core thread end need to weld is conducive to completing of welding procedure.
As shown in Figure 1, Figure 2 with shown in Fig. 5, sensing element support also comprises electric wire location division 50, electric wire location division 50 has the one end away from welding cavity 30 that can hold the container cavity of electric wire and be positioned at rack body 10 and is connected with metallic channel 40, and electric wire location division 50 is positioned on the same side of rack body 10 with metallic channel 40.
As shown in Figure 1, preferably, electric wire location division 50 is U-lag, and the opening direction of U-lag is consistent with the opening direction of magnet installation cavity 11.
Electric wire is arranged in electric wire location division 50, and the opening of U-lag is above interface, electric wire center, and size is less than the diameter of wire, electric wire can be clamped in support, thereby the position of securing electric lines in rack body 10, prevents electric wire play, be conducive to welding location.
Sensing element support also comprises two the first fixed parts 60 and the second fixed part 70, as shown in Fig. 1, Fig. 5 and Fig. 6, two the first fixed parts 60 are oppositely arranged and are positioned at the relative both sides of rack body 10 along the Width of rack body 10, the second fixed part 70 is arranged on the outer surface of one end of rack body 10.
After magnet, chip and wire welding complete, sensing element support is installed in the injection mold of making transducer.In mould, the first fixed part 60 and the second fixed part 70 by support both sides and end are fixed on sensing element support in mould, and three-point fix is stable and reliable.
As shown in Figures 1 to 5, sensing element support also comprises meltability sealing, meltability sealing be arranged on rack body 10 and be positioned at the first fixed part 60 and the second fixed part 70 on.
As shown in Figures 1 to 5, meltability sealing comprises two group of first sealing ring 61 and the second sealing ring 62 and two the 3rd sealing rings 71.Particularly, the periphery of each the first fixed part 60 is provided with one group of first sealing ring 61 and the second sealing ring 62 with one heart, and the diameter of every group of first sealing ring 61 and the second sealing ring 62 increases progressively successively.Two the 3rd sealing rings 71 spaced apart and with the concentric setting of the second fixed part 70.
As shown in Figure 5, two the 3rd sealing rings 71 all have the second bigger diameter end and the second miner diameter end, and the second bigger diameter end is connected by the second taper surface with the second miner diameter end near magnet installation cavity 11, the second bigger diameter ends away from magnet installation cavity 11, the second miner diameter ends.
Particularly, the radial cross-section of the first sealing ring 61 and the second sealing ring 62 is all at right angles trapezoidal as shown in Figure 3 and Figure 4, two trapezoidal all have outstanding and perpendicular to rack body 10 and outward extending straight flange with favour rack body 10 hypotenuse relative with straight flange, angle between straight flange and hypotenuse is α, wherein, 17 °≤α≤20 °, be preferably 20 °; Distance between two described straight flanges is H, wherein, and H=0.6mm; The height of straight flange, in being more than or equal to 0.7mm and being less than or equal between 0.9mm, is preferably 0.8mm; The base width away from rack body 10 of right-angled trapezium is L, 0mm < L≤0.05mm.
The radial cross-section of two the 3rd sealing rings 71 is also at right angles trapezoidal, and each size is identical with the second sealing ring 62 with the first sealing ring 61.Certainly, the size of the first sealing ring 61, the second sealing ring 62 and the 3rd sealing ring 71, can design according to the actual conditions of other parts.
After injection moulding completes, the first fixed part 60 in mould on sensing element support owing to directly contacting mould, can be exposed to injection molding body outside with the second fixed part 70.Therefore, between sensing element support and injection molding body, need to carry out encapsulation process by meltability sealing, prevent from sealing bad herein, cause the outside materials such as water to enter in injection molding body, chip functions is damaged.Meltability sealing is designed to the tiny rib of twice, in injection moulding process, by high-temperature fusion and injection molding body, merges, and plays sealing function.
According to another aspect of the present utility model, a kind of transducer is also provided, comprise sensing element support, sensing element support is aforementioned any one sensing element support.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Because magnet can be installed in magnet installation cavity by support protrusion portion, the area of support protrusion portion is less than the area of the bottom of magnet installation cavity, support protrusion portion not only flatness precision is high but also can more fit with magnet, magnet can be not crooked and then can not be affected magnetic field, so the magnetic field of this sensing element support is more stable.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (12)
1. a sensing element support, is characterized in that, comprising:
Rack body (10), there is magnet installation cavity (11), described magnet installation cavity (11) is near one end of described rack body (10) and be positioned at the side of described rack body (10), and wherein, the bottom of described magnet installation cavity (11) has support protrusion portion (111).
2. sensing element support according to claim 1, is characterized in that, the cross section of the bottom that is parallel to described magnet installation cavity (11) of described support protrusion portion (111) is cross, M shape or bifurcation font.
3. sensing element support according to claim 1, is characterized in that, also comprises:
Meltability chip fixed part (20), is connected to the accent edge that described magnet installation cavity (11) was gone up and be positioned to described rack body (10).
4. sensing element support according to claim 3, is characterized in that, described meltability chip fixed part (20) is two, and two described meltability chip fixed parts (20) are relatively arranged on the both sides of described magnet installation cavity (11).
5. sensing element support according to claim 1, is characterized in that, also comprises:
Two welding cavities (30), along the Width of described rack body (10), be intervally arranged side by side and run through described rack body (10) along the direction of the bottom of vertical described magnet installation cavity (11), on described rack body (10), be also provided with two metallic channels (40), one end of two described metallic channels (40) is communicated with respectively with two described welding cavities (30), the other end extends to one end away from described welding cavity (30) of described rack body (10) respectively, described metallic channel (40) is positioned on the same side of described rack body (10) with described magnet installation cavity (11).
6. sensing element support according to claim 5, is characterized in that, also comprises:
Electric wire location division (50), have the described one end away from described welding cavity (30) that can hold the container cavity of electric wire and be positioned at described rack body (10) and be connected with described metallic channel (40), described electric wire location division (50) is positioned on the same side of described rack body (10) with described metallic channel (40).
7. sensing element support according to claim 6, is characterized in that, described electric wire location division (50) is U-lag, and the opening direction of described U-lag is consistent with the opening direction of described magnet installation cavity (11).
8. sensing element support according to claim 1, is characterized in that, also comprises:
Two the first fixed parts (60), are oppositely arranged and are positioned at the relative both sides of described rack body (10) along the Width of described rack body (10);
The second fixed part (70), is arranged on the outer surface of one end of described rack body (10).
9. sensing element support according to claim 8, is characterized in that, also comprises:
Meltability sealing, described meltability sealing is arranged on described rack body (10) and goes up and be positioned on described the first fixed part (60) and described the second fixed part (70).
10. sensing element support according to claim 9, is characterized in that, described meltability sealing comprises:
Two group of first sealing ring (61) and the second sealing ring (62), described in each the periphery of the first fixed part (60) be provided with one heart one group described in the first sealing ring (61) and described the second sealing ring (62), described in every group, the diameter of the first sealing ring (61) and described the second sealing ring (62) increases progressively successively;
Two the 3rd sealing rings (71), described two the 3rd sealing rings (71) spaced apart and with the concentric setting of described the second fixed part (70).
11. sensing element supports according to claim 10, is characterized in that,
Described the first sealing ring (61) and described the second sealing ring (62) all have the first bigger diameter end and the first miner diameter end, described the first bigger diameter end toward the outer side, described the first miner diameter end is towards inner side, and described the first bigger diameter end is connected by the first taper surface with described the first miner diameter end;
Two described the 3rd sealing rings (71) all have the second bigger diameter end and the second miner diameter end, described the second bigger diameter end is away from described magnet installation cavity (11), described the second miner diameter end is near described magnet installation cavity (11), and described the second bigger diameter end is connected by the second taper surface with described the second miner diameter end.
12. 1 kinds of transducers, comprise sensing element support, it is characterized in that, described sensing element support is the sensing element support described in any one in claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148158.9U CN203788608U (en) | 2014-03-28 | 2014-03-28 | Induction element bracket and sensor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148158.9U CN203788608U (en) | 2014-03-28 | 2014-03-28 | Induction element bracket and sensor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788608U true CN203788608U (en) | 2014-08-20 |
Family
ID=51324756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148158.9U Expired - Lifetime CN203788608U (en) | 2014-03-28 | 2014-03-28 | Induction element bracket and sensor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180115A (en) * | 2019-07-02 | 2021-01-05 | 陆博汽车电子（曲阜）有限公司 | Magnetoelectric wheel speed sensor |
-
2014
- 2014-03-28 CN CN201420148158.9U patent/CN203788608U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180115A (en) * | 2019-07-02 | 2021-01-05 | 陆博汽车电子（曲阜）有限公司 | Magnetoelectric wheel speed sensor |
| CN112180115B (en) * | 2019-07-02 | 2023-06-30 | 陆博汽车电子（曲阜）有限公司 | Magnetoelectric wheel speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171222 Address after: 222006, No. four, No. 17, Gao Song Industrial Zone, Jiangsu, Lianyungang, China Patentee after: Continental automotive electronics (Lianyungang) Co.,Ltd. Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee before: Continental automotive electronics (Changchun) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |