CN201242448Y - Hall sensor - Google Patents
Hall sensor Download PDFInfo
- Publication number
- CN201242448Y CN201242448Y CNU2008201850111U CN200820185011U CN201242448Y CN 201242448 Y CN201242448 Y CN 201242448Y CN U2008201850111 U CNU2008201850111 U CN U2008201850111U CN 200820185011 U CN200820185011 U CN 200820185011U CN 201242448 Y CN201242448 Y CN 201242448Y
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- China
- Prior art keywords
- circuit board
- support
- printed circuit
- groove
- chassis portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a hall sensor, which comprises a bracket, a chip, a printed circuit board, magnetic steel and an outer casing; wherein, the bracket comprises a bottom plate part, a supporting part and a top frame part, and a pin penetrates through the bottom plate part and protrudes out of the inner surface of the bottom plate part; the printed circuit board is clipped on the supporting part and is welded with the bracket pin; the top frame part is provided with a groove; the magnetic steel is positioned in the groove and the front side of the magnetic steel is propped against the printed circuit board; the chip is arranged on the magnetic steel, and the chip pin is welded with the printed circuit board; the bracket and the outer casing are solidified together. The utility model has the advantages that the installation is simple and convenient, the overall reliability is high, and the consistency and the manufacturability are good and the like. The hall sensor is especially suitable for fuel engines and can be used for monitoring the rotating speed of an engine and the position of a camshaft.
Description
Technical field
The utility model relates to a kind of Hall element, particularly a kind of Hall element that is used in the fuel engines.
Background technology
The environment for use of the sensor in the fuel engines, the harshness of operational temperature conditions, must detection data accurately, high stability requirement makes many sensor production enterprise hang back.The performance of home made materials, material mechanical dimensional uniformity have been compared certain gap with materials overseas.At present, external product generally adopts flexible printed circuit or lays the method for top layer printed board, but flexible printed circuit is installed trouble, and the global reliability of sensor is low, and consistance is poor, and it is poor to lay the manufacturability of top layer printed board.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple installation is provided, global reliability height, the Hall element of high conformity and good manufacturability.
The technical scheme that realizes above-mentioned purpose is: a kind of Hall element, comprise support, chip, printed circuit board, magnet steel and shell, its improvement is: a, described support comprise chassis portion, support section and upper frame part, and pin passes chassis portion and stretches out the inside surface of chassis portion; B, printed circuit board are stuck on the support section, and weld together with the support pin; C, upper frame partly have groove, and magnet steel places in the groove and front side and printed circuit board offset; D, chip place on the magnet steel and chip pin and printed circuit board weld together; E, described support and shell are solidified togather.
In order to make printed circuit board vertically place all deflections not of back three-dimensional, against shock is effective, so the support section between the chassis portion of support and the upper frame part is two columns, the edge or the draw-in groove of the blocked printed circuit board of correspondence is arranged on two columns.
The periphery of the chassis portion of described support has seal groove, and on the seal groove O-ring seal is housed.In the seal groove O-ring seal can be installed, play the fixing effect of adjusting support.Be cured by epoxy resin between described support and the shell, O-ring seal can also prevent that epoxy resin is excessive.
The periphery of the chassis portion of described support has the breach mark, and described breach mark is lower than seal groove and is positioned at the bottom of chassis portion.The breach mark is in the process of using, and can distinguish pros and cons of the present utility model, can distinguish the polarity of pin.
Also to be provided with an overfolw hole that passes chassis portion on the bottom surface of the chassis portion of described support in order making in mounting bracket and shell, the air of inside is thrown out and to make unnecessary small amount of epoxy resin overflow.
The utility model adopts printed circuit board to be stuck on the support section, and weld together with the support pin, make simple installation, good manufacturability, do not ftracture in order to satisfy subzero 40 ℃, 150 ℃ of not softening requirements, be solidified togather between support and the shell, and used this material of epoxy resin, global reliability is improved, and helps to improve its whole consistance, support section between the chassis portion of support and the upper frame part can be made as two columns, edge or draw-in groove that corresponding blocked printed circuit board is arranged on two columns both can guarantee that printed circuit board vertically placed not deflection of back three-dimensional, can make the against shock better effects if again.
Description of drawings
Fig. 1 is the structural representation of support 1 of the present utility model;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the rear view of Fig. 1;
Fig. 5 is the vertical view of Fig. 1;
Fig. 6 is the upward view of Fig. 1;
Fig. 7 is an integrally-built shape assumption diagram of the present utility model;
Fig. 8 is an integrally-built explosive view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
Referring to Fig. 1,2,4,5,7,8, a kind of Hall element, comprise support 1, chip 2, printed circuit board 3, magnet steel 4 and shell 5, described support 1 comprises chassis portion 1-1, support section 1-2 and upper frame part 1-3, and support pin 1-4 passes chassis portion 1-1 and stretches out the inside surface of chassis portion 1-1; Printed circuit board 3 is stuck on the support section 1-2, and welds together with support pin 1-4; Upper frame part 1-3 has groove 1-5, and magnet steel 4 places in the groove 1-5 and front side and printed circuit board 3 offset; D, chip 2 place on the magnet steel 4 and chip pin 2-1 and printed circuit board 3 weld together; Described support 1 is solidified togather with shell 5.Support section 1-2 between the chassis portion 1-1 of support 1 and the upper frame part 1-3 is two columns, and two columns are provided with the edge 1-2-1 of corresponding blocked printed circuit board 3.It can certainly be the draw-in groove that on two columns, is provided with corresponding blocked printed circuit board 3.Support section 1-2 also can be an arc, has the window of square or circular or other shapes on the arc, so that assembling and welding.
Referring to Fig. 2, the length of described magnet steel 4 matches with the length of groove 1-5, and the thickness of magnet steel 4 is lower than the degree of depth of groove 1-5, and the width of magnet steel 4 is greater than the width of groove 1-5.The thickness of described magnet steel 4 matches with the degree of depth of groove 1-5 with the thickness sum of chip 2;
Be lower than the top of support 1 referring to the upper end of Fig. 1,2,3 described printed circuit boards 3.
Referring to Fig. 1,2,3,4,5,8, the periphery of the chassis portion 1-1 of described support 1 has seal groove 1-6, and on the seal groove 1-6 O-ring seal 6 is housed.
Referring to Fig. 1,2,6,7,8, the periphery of the chassis portion 1-1 of described support 1 has breach mark 1-7, and described breach mark 1-7 is lower than seal groove 1-6 and is positioned at the bottom of chassis portion 1-1.
Referring to Fig. 6, also be provided with an overfolw hole 1-8 who passes chassis portion 1-1 on the bottom surface of the chassis portion 1-1 of described support 1.
Referring to Fig. 7,8, the outer end of the breach mark 1-7 of described support 1 and support pin 1-4 all is positioned at outside the shell 5.
Described printed circuit board 3 is the hard epoxy circuit board.Be cured by epoxy resin between described support 1 and the shell 5.
The step of the utility model production is: 1, the preparation of hard printed circuit board 3 is welded on the paster original paper on the hard printed circuit board 3; 2, chip 2 is welded on the hard printed circuit board 3; 3, magnet steel 4 is placed in the groove 1-5 of support 1, and printed circuit board 3 and the chip 2 that step 2 obtains inserted in the support 1; 4, printed circuit board 3 is welded on three support pin 1-4 that stretch out chassis portion 1-1 inside surface on the support 1; 5, in copper shell 5, inject the epoxy resin of an amount of molten; 6, O-ring seal 6 is packed in the seal groove 1-4 on the support 1; 7, in the copper shell 5 that ready support 1 inserting step 5 of abovementioned steps is prepared; 8, the products solidifying that regularly step 7 is obtained with program control baking oven; 9, the product that step 8 is obtained carries out following process, as rolling etc.
The utility model can reach in the fundamental error 0.5%FS, in the stable 1.0%FS, and in the electromagnetic compatibility 0.5%FS, indexs such as corrosion resistance≤0.2.The utility model simple installation, global reliability height, high conformity and good manufacturability.The utility model is specially adapted to fuel engines, can be used for the rotation speed monitoring of engine and the position monitoring of camshaft.
Claims (10)
1, a kind of Hall element comprises support (1), chip (2), printed circuit board (3), magnet steel (4) and shell (5), it is characterized in that:
A, described support (1) comprise chassis portion (1-1), support section (1-2) and upper frame part (1-3), and pin (1-4) passes chassis portion (1-1) and stretches out the inside surface of chassis portion (1-1);
B, printed circuit board (3) are stuck on the support section (1-2), and weld together with support pin (1-4);
C, upper frame part (1-3) has groove (1-5), and magnet steel (4) places in the groove (1-5) and front side and printed circuit board (3) offset;
D, chip (2) place magnet steel (4) to go up and chip pin (2-1) welds together with printed circuit board (3);
E, described support (1) are solidified togather with shell (5).
2, Hall element according to claim 1 is characterized in that: the length of described magnet steel (4) matches with the length of groove (1-5), and the thickness of magnet steel (4) is lower than the degree of depth of groove (1-5), and the width of magnet steel (4) is greater than the width of groove (1-5).
3, Hall element according to claim 2 is characterized in that: the thickness of described magnet steel (4) matches with the degree of depth of groove (1-5) with the thickness sum of chip (2), and the upper end of described printed circuit board (3) is lower than the top of support (1).
4, Hall element according to claim 1, it is characterized in that: the support section (1-2) between the chassis portion (1-1) of support (1) and the upper frame part (1-3) is two columns, and the edge (1-2-1) or the draw-in groove of corresponding blocked printed circuit board (3) arranged on two columns.
5, Hall element according to claim 1 is characterized in that: the periphery of the chassis portion (1-1) of described support (1) has seal groove (1-6), and on the seal groove (1-6) O-ring seal (6) is housed.
6, Hall element according to claim 5, it is characterized in that: the periphery of the chassis portion (1-1) of described support (1) has breach mark (1-7), and described breach mark (1-7) is lower than seal groove (1-6) and is positioned at the bottom of chassis portion (1-1).
7, Hall element according to claim 6 is characterized in that: the breach mark (1-7) of described support (1) and the outer end of support pin (1-4) all are positioned at outside the shell (5).
8, according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described Hall elements, it is characterized in that: described printed circuit board (3) is the hard epoxy circuit board.
9, Hall element according to claim 8 is characterized in that: also be provided with an overfolw hole (1-8) that passes chassis portion (1-1) on the bottom surface of the chassis portion (1-1) of described support (1).
10, Hall element according to claim 9 is characterized in that: be cured by epoxy resin between described support (1) and the shell (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201850111U CN201242448Y (en) | 2008-08-08 | 2008-08-08 | Hall sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201850111U CN201242448Y (en) | 2008-08-08 | 2008-08-08 | Hall sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201242448Y true CN201242448Y (en) | 2009-05-20 |
Family
ID=40715738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008201850111U Expired - Fee Related CN201242448Y (en) | 2008-08-08 | 2008-08-08 | Hall sensor |
Country Status (1)
Country | Link |
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CN (1) | CN201242448Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832786A (en) * | 2010-04-12 | 2010-09-15 | 杭州鑫芯电子有限公司 | Integrated Hall-effect sensor |
CN101858725A (en) * | 2010-04-30 | 2010-10-13 | 锦州海伯伦汽车电子有限公司 | Insulating bracket in Hall displacement transducer |
CN103487105A (en) * | 2013-09-09 | 2014-01-01 | 江苏奥力威传感高科股份有限公司 | Rotary support structure for sensors |
CN103674077A (en) * | 2012-08-30 | 2014-03-26 | 鼎佳(天津)汽车电子有限公司 | Injection molding positioning structure for Hall sensor |
CN104319266A (en) * | 2014-10-14 | 2015-01-28 | 联合汽车电子有限公司 | Sealant encapsulation structure of automotive electronic elements and sealant sealing method thereof |
CN104316094A (en) * | 2014-10-14 | 2015-01-28 | 联合汽车电子有限公司 | Rubber sealing type sensor and manufacturing process thereof |
CN104749393A (en) * | 2013-12-31 | 2015-07-01 | 森萨塔科技麻省公司 | Hall sensor device and manufacturing method thereof |
-
2008
- 2008-08-08 CN CNU2008201850111U patent/CN201242448Y/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832786A (en) * | 2010-04-12 | 2010-09-15 | 杭州鑫芯电子有限公司 | Integrated Hall-effect sensor |
CN101858725A (en) * | 2010-04-30 | 2010-10-13 | 锦州海伯伦汽车电子有限公司 | Insulating bracket in Hall displacement transducer |
CN103674077A (en) * | 2012-08-30 | 2014-03-26 | 鼎佳(天津)汽车电子有限公司 | Injection molding positioning structure for Hall sensor |
CN103487105A (en) * | 2013-09-09 | 2014-01-01 | 江苏奥力威传感高科股份有限公司 | Rotary support structure for sensors |
CN104749393A (en) * | 2013-12-31 | 2015-07-01 | 森萨塔科技麻省公司 | Hall sensor device and manufacturing method thereof |
CN104749393B (en) * | 2013-12-31 | 2019-08-20 | 森萨塔科技麻省公司 | A kind of Hall sensor device and its manufacturing method |
CN104319266A (en) * | 2014-10-14 | 2015-01-28 | 联合汽车电子有限公司 | Sealant encapsulation structure of automotive electronic elements and sealant sealing method thereof |
CN104316094A (en) * | 2014-10-14 | 2015-01-28 | 联合汽车电子有限公司 | Rubber sealing type sensor and manufacturing process thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20140808 |
|
EXPY | Termination of patent right or utility model |