CN108895955A - DVVA specialized compact hall displacement transducer and its assembly method - Google Patents
DVVA specialized compact hall displacement transducer and its assembly method Download PDFInfo
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- CN108895955A CN108895955A CN201810495705.3A CN201810495705A CN108895955A CN 108895955 A CN108895955 A CN 108895955A CN 201810495705 A CN201810495705 A CN 201810495705A CN 108895955 A CN108895955 A CN 108895955A
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- wiring board
- magnet steel
- packaging cartridge
- box body
- installation cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The present invention relates to a kind of DVVA specialized compact hall displacement transducer and its assembly methods, and stating sensor includes shell (1), wiring board packaging cartridge (2) and sensing core (3)；The two sides of the shell (1) are provided with pilot hole (1.4), two cavitys up and down are provided in the shell (1), superposed cavity is the packaging cartridge installation cavity (1.2) that wiring board packaging cartridge (2) are fixedly mounted, screw via hole (1.2.1) and outlet hole (1.2.2) are provided in the cavity wall of the packaging cartridge installation cavity (1.2), cavity positioned at lower part is sensing core installation cavity (1.1) of installation sensing core (3), spring (4) are provided between the sensing core (3) and sensing core installation cavity (1.1).The present invention relates to a kind of DVVA specialized compact hall displacement transducer and its assembly method, structure is simple, compact and measurement performance are stablized.
Description
Technical field
The present invention relates to a kind of sensor itself and its assembly methods, are applied to DVVA (DVVA more particularly, to one kind：Automobile
Engine air throttle automatic control system) on specialized compact hall displacement transducer and its assembly method, belong to sensor
Technical field.
Background technique
Currently, the displacement sensor used on DVVA is bulky, therefore it is unfavorable for miniaturized application, when DVVA is used
As shown in the figure (Figure 13~15) give sensor installation space it is smaller (the only installation space of 14.9mm*40mm), it is conventional
Contact (film type carbon) sensor not can be used directly, and since film type carbon sensor is prone to wear, the service life is not high, vulnerable to
It being influenced to vibration, performance is not sufficiently stable, and it is inadequate so as to cause the displacement parameter precision of acquisition, it cannot be to the fuel oil of automobile engine
System accurately controls.Therefore, the displacement sensor that a kind of structure is simple, compact and measurement performance are stable is needed.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of structures simply, compact and measurement performance are stablized
DVVA specialized compact hall displacement transducer and its assembly method.
The object of the present invention is achieved like this：
A kind of DVVA specialized compact hall displacement transducer, the sensor include shell, wiring board packaging cartridge and
Sense core；
The two sides of the shell are provided with pilot hole, and two cavitys up and down, superposed chamber are provided in the shell
Body is the packaging cartridge installation cavity that wiring board packaging cartridge is fixedly mounted, and is provided with screw via hole in the cavity wall of the packaging cartridge installation cavity
And outlet hole, the cavity positioned at lower part are the sensing core installation cavity of installation sensing core, the sensing core and sensing core installation cavity
Spring is provided between body；Spring retention posts for spring insertion are installed in the sensing core installation cavity body；The sensing core
The bottom for installing cavity is provided with grab along the glide direction of sensing core；
The wiring board packaging cartridge includes box body, and the box body is T-shaped structure, is equipped with T-shaped structure in the box body
Wiring board, the bottom of the T-shaped structure of the wiring board is equipped with hall sensing chip, and the both sides of the box body are provided with box body
Tapping screw fixes bottom outlet, and screw screws in the fixed bottom outlet of box body tapping screw after passing through screw via hole, the box chamber of the box body
It is inside provided with wiring board positioning column and positive stop lug boss, the location hole for the insertion of wiring board positioning column is provided on above-mentioned wiring board,
The above-mentioned outlet hole of box chamber face of the box body；
The guide way that the sensing core includes magnet steel fixing body and is connected on magnet steel fixing body, magnet steel fixing body
It is slidably plugged in sensing core installation cavity body, the top surface of the magnet steel fixing body slides along direction and is provided with sliding slot, and sliding slot
Left and right sides cell wall in be equipped with magnet steel, the box body of above-mentioned T-shaped structure is located in sliding slot, and the Hall in box body on wiring board
Sensing chip is located between two magnet steel；The bottom surface of the magnet steel fixing body slides along direction and is provided with grab card slot and guiding
Slot, the grab card slot and guide groove are located in same direction, and the groove depth of grab card slot is greater than guide groove, the guide groove
End is provided with guiding chamfering, consequently facilitating the slide-in of grab, the grab is in grab card slot；The magnet steel fixing body
Bottom surface slide along direction and be provided with bow strip, to reduce its contact surface with shell, avoid shell maximum distortion area and subtract
Few frictional force；The two sides back side of the magnet steel fixing body is provided with the spring installation counterbore for spring insertion, the magnet steel installation
The two sides front of body is provided with lightening hole one；The end of the guide way is provided with contact head, and the middle part of the guide way is along it
Length direction is provided with lightening hole two.
A kind of assembly method of DVVA specialized compact hall displacement transducer, the method are：Shell, line are prepared respectively
Road plate packaging cartridge and sensing core, wiring board insertion are installed in wiring board packaging cartridge, then perfusion sealing in wiring board packaging cartridge
Glue forms sealing, in the wiring board packaging cartridge insertion packaging cartridge installation cavity after sealant pouring and sealing, after tapping screw passes through screw via hole
It shoots the fixed bottom outlet of box body tapping screw and realizes fixation, the conducting wire of wiring board is externally drawn by outlet hole；Magnet steel is embedded at
In the two sides installation cavity of the sliding slot of magnet steel fixing body and gluing is fixed, and spring is inserted in counterbore, then by magnet steel fixing body
It is slidably inserted into sensing core installation cavity body, and spring pocket is loaded on spring retention posts, while grab is oriented to via guide groove
After be embedded in grab card slot, to complete entire assembly technology.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention carries out displacement detecting by non-contacting Hall sensor mode, to high stability and reduce
Volume；Meanwhile it is designed by reasonable structure so that wiring board will not be contacted with oil, to ensure that the stabilization of performance.
Detailed description of the invention
Fig. 1 is a kind of side sectional view of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 2 is a kind of main view of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 3 is a kind of bottom view of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 4 is a kind of front view of the shell of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 5 is a kind of A-A cross-sectional view of Fig. 4 of the shell of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 6 is a kind of bottom view of the shell of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 7 is a kind of front view of the wiring board packaging cartridge of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 8 is a kind of rearview of the wiring board packaging cartridge of DVVA specialized compact hall displacement transducer of the present invention.
Fig. 9 is a kind of side, sectional of the wiring board packaging cartridge of DVVA specialized compact hall displacement transducer of the present invention
Figure.
Figure 10 is a kind of rearview of the sensing core of DVVA specialized compact hall displacement transducer of the present invention.
Figure 11 is a kind of bottom view of the sensing core of DVVA specialized compact hall displacement transducer of the present invention.
Figure 12 is a kind of side sectional view of the sensing core of DVVA specialized compact hall displacement transducer of the present invention.
Figure 13 is the top view of application DVVA of the present invention.
Figure 14 is the main view of application DVVA of the present invention.
Figure 15 is the left view of application DVVA of the present invention.
Wherein：
Shell 1, wiring board packaging cartridge 2, sensing core 3, spring 4, magnet steel 5, wiring board 6；
It senses core and cavity 1.1, packaging cartridge installation cavity 1.2, grab 1.3, pilot hole 1.4 is installed；
Spring retention posts 1.1.1；
Screw via hole 1.2.1, outlet hole 1.2.2；
Box body 2.1, box body tapping screw fixed bottom outlet 2.2, wiring board positioning column 2.3, positive stop lug boss 2.4；
Magnet steel fixing body 3.1, guide way 3.2；
Sliding slot 3.1.1, grab card slot 3.1.2, guide groove 3.1.3, bow strip 3.1.4, spring installation counterbore 3.1.5, subtract
One 3.1.6 of repeated hole, guiding chamfering 3.1.7；
Contact head 3.2.1, two 3.2.2 of lightening hole.
Specific embodiment
Referring to Fig. 1~15, a kind of DVVA specialized compact hall displacement transducer of the present invention, the sensor packet
Contain shell 1, wiring board packaging cartridge 2 and sensing core 3；
The two sides of the shell 1 are provided with pilot hole 1.4, and two cavitys up and down are provided in the shell 1, are located at top
Cavity be the packaging cartridge installation cavity 1.2 that wiring board packaging cartridge 2 is fixedly mounted, set in the cavity wall of the packaging cartridge installation cavity 1.2
It is equipped with screw via hole 1.2.1 and outlet hole 1.2.2, the cavity positioned at lower part is the sensing core installation cavity of installation sensing core 3
1.1, spring 4 is provided between the sensing core 3 and sensing core installation cavity 1.1；Installation in the sensing core installation cavity 1.1
There is the spring retention posts 1.1.1 being inserted into for spring 4；Glide direction of the bottom of the sensing core installation cavity 1.1 along sensing core 3
It is provided with grab 1.3；
The wiring board packaging cartridge 2 includes box body 2.1, and the box body 2.1 is T-shaped structure, installation in the box body 2.1
There is the wiring board 6 of T-shaped structure, the bottom of the T-shaped structure of the wiring board 6 is equipped with hall sensing chip, the box body 2.1
Both sides are provided with the fixed bottom outlet 2.2 of box body tapping screw, and screw-in box body tapping screw is fixed after screw passes through screw via hole 1.2.1
In bottom outlet 2.2, the box of the box body 2.1 is intracavitary to be provided with wiring board positioning column 2.3 and positive stop lug boss 2.4, on above-mentioned wiring board 6
It is provided with the location hole being inserted into for wiring board positioning column 2.3, the above-mentioned outlet hole 1.2.2 of box chamber face of the box body 2.1；
The sensing core 3 includes magnet steel fixing body 3.1 and the guide way being connected on magnet steel fixing body 3.1 3.2
(being eccentric structure between magnet steel fixing body 3.1 and guide way 3.2), magnet steel fixing body 3.1 is slidably plugged in sensing core installation cavity
In body 1.1, the top surface of the magnet steel fixing body 3.1 slides along direction and is provided with sliding slot 3.1.1, and the left and right of sliding slot 3.1.1
Magnet steel 5 is equipped in the cell wall of two sides, the box body 2.1 of above-mentioned T-shaped structure is located in sliding slot 3.1.1, and wiring board 6 in box body 2.1
On hall sensing chip be located at two 5 middles of magnet steel；The bottom surface of the magnet steel fixing body 3.1 slides along direction and is provided with
Grab card slot 3.1.2 and guide groove 3.1.3, the grab card slot 3.1.2 and guide groove 3.1.3 are located in same direction, and block
The groove depth of hook card slot 3.1.2 is greater than guide groove 3.1.3, and the end of the guide groove 3.1.3 is provided with guiding chamfering 3.1.7, from
And it is convenient for the slide-in of grab 1.3, the grab 1.3 is in grab card slot 3.1.2；The bottom surface of the magnet steel fixing body 3.1
It slides along direction and is provided with bow strip 3.1.4, to reduce the contact surface of itself and shell 1, evade deformed area, that is, avoid shell
Reduce frictional force in maximum distortion area；It is heavy that the two sides back side of the magnet steel fixing body 3.1 is provided with the spring installation being inserted into for spring 4
Hole 3.1.5, the two sides front of the magnet steel fixing body 3.1 are provided with one 3.1.6 of lightening hole；The end of the guide way 3.2 is set
It is equipped with contact head 3.2.1, the middle part of the guide way 3.2 is provided with two 3.2.2 of lightening hole along its length；
A kind of assembly method of DVVA specialized compact hall displacement transducer, the method are：Prepare respectively shell 1,
Wiring board packaging cartridge 2 and sensing core 3, the insertion of wiring board 6 are installed in wiring board packaging cartridge 2 that (it is fixed that wiring board positioning column 2.3 provides
Position and positive stop lug boss 2.4 make wiring board 6, and vacantly setting constitutes the installation space of Hall sensor), then wiring board packaging cartridge 2
Interior perfusion sealant forms sealing, and the wiring board packaging cartridge 2 after sealant pouring and sealing is embedded in packaging cartridge installation cavity 1.2, tapping screw
The fixed bottom outlet 2.2 of box body tapping screw is shot after screw via hole 1.2.1 and realizes fixation, and the conducting wire of wiring board 6 passes through outlet
Hole 1.2.2 is externally drawn；By magnet steel 5, simultaneously gluing is fixed in the two sides installation cavity of the sliding slot 3.1.1 of magnet steel fixing body 3.1
(to guarantee that installation is fixed reliable, improving measurement accuracy), spring 4 is inserted in counterbore 3.1.5, then by magnet steel fixing body
3.1 are slidably inserted into sensing core installation cavity 1.1, and spring 4 are set on spring retention posts 1.1.1, while grab 1.3
Via being embedded in grab card slot 3.1.2 after guide groove 3.1.3 guiding, to complete entire assembly technology.
In addition：It should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (2)
1. a kind of DVVA specialized compact hall displacement transducer, it is characterised in that：The sensor includes shell (1), line
Road plate packaging cartridge (2) and sensing core (3)；
The two sides of the shell (1) are provided with pilot hole (1.4), and two cavitys up and down are provided in the shell (1), are located at upper
The cavity in portion is the packaging cartridge installation cavity (1.2) that wiring board packaging cartridge (2) are fixedly mounted, the packaging cartridge installation cavity (1.2)
Screw via hole (1.2.1) and outlet hole (1.2.2) are provided in cavity wall, the cavity positioned at lower part is the biography of installation sensing core (3)
Feel core installation cavity (1.1), is provided with spring (4) between the sensing core (3) and sensing core installation cavity (1.1)；The biography
Spring retention posts (1.1.1) for spring (4) insertion are installed in sense core installation cavity (1.1)；The sensing core installs cavity
(1.1) bottom is provided with grab (1.3) along the glide direction of sensing core (3)；
The wiring board packaging cartridge (2) includes box body (2.1), and the box body (2.1) is T-shaped structure, and the box body (2.1) is interior
The wiring board (6) of T-shaped structure is installed, the bottom of the T-shaped structure of the wiring board (6) is equipped with hall sensing chip, described
The both sides of box body (2.1) are provided with box body tapping screw and fix bottom outlet (2.2), and screw passes through screw via hole (1.2.1) and screws in afterwards
In box body tapping screw fixed bottom outlet (2.2), the box of the box body (2.1) is intracavitary to be provided with wiring board positioning column (2.3) and limit
Position boss (2.4) is provided with the location hole for wiring board positioning column (2.3) insertion, the box body on above-mentioned wiring board (6)
(2.1) the above-mentioned outlet hole of box chamber face (1.2.2)；
The guide way that sensing core (3) includes magnet steel fixing body (3.1) and is connected on magnet steel fixing body (3.1)
(3.2), magnet steel fixing body (3.1) is slidably plugged in sensing core installation cavity (1.1), the top of the magnet steel fixing body (3.1)
Face slides along direction and is provided with sliding slot (3.1.1), and is equipped with magnet steel (5) in the left and right sides cell wall of sliding slot (3.1.1), on
The box body (2.1) for stating T-shaped structure is located in sliding slot (3.1.1), and the hall sensing chip on box body (2.1) interior wiring board (6)
Positioned at two magnet steel (5) middles；The bottom surface of the magnet steel fixing body (3.1) slides along direction and is provided with grab card slot
(3.1.2) and guide groove (3.1.3), the grab card slot (3.1.2) and guide groove (3.1.3) are located in same direction, and block
The groove depth of hook card slot (3.1.2) is greater than guide groove (3.1.3), and the end of the guide groove (3.1.3) is provided with guiding chamfering
(3.1.7), consequently facilitating the slide-in of grab (1.3), the grab (1.3) is in grab card slot (3.1.2)；The magnet steel
The bottom surface of fixing body (3.1) slides along direction and is provided with bow strip (3.1.4), two side backs of the magnet steel fixing body (3.1)
Face is provided with spring installation counterbore (3.1.5) for spring (4) insertion, the two sides front setting of the magnet steel fixing body (3.1)
There is lightening hole one (3.1.6)；The end of the guide way (3.2) is provided with contact head (3.2.1), the guide way (3.2)
Middle part is provided with lightening hole two (3.2.2) along its length.
2. a kind of assembly method of DVVA specialized compact hall displacement transducer as described in claim 1, it is characterised in that：Point
Shell (1), wiring board packaging cartridge (2) and sensing core (3) are not prepared, and wiring board (6) insertion is installed on wiring board packaging cartridge (2)
Interior, then perfusion sealant forms sealing in wiring board packaging cartridge (2), and the wiring board packaging cartridge (2) after sealant pouring and sealing is embedded in envelope
In mounted box installation cavity (1.2), it is fixed bottom outlet (2.2) that tapping screw shoots box body tapping screw after screw via hole (1.2.1)
It realizes and fixes, the conducting wire of wiring board (6) is externally drawn by outlet hole (1.2.2)；Magnet steel (5) are embedded at magnet steel fixing body
(3.1) in the two sides installation cavity of sliding slot (3.1.1) and gluing is fixed, and spring (4) is inserted in counterbore (3.1.5), then
Magnet steel fixing body (3.1) is slidably inserted into sensing core installation cavity (1.1), and spring (4) is made to be set in spring retention posts
On (1.1.1), while grab (1.3) is interior via grab card slot (3.1.2) is embedded in after guide groove (3.1.3) guiding, thus complete
At entire assembly technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495705.3A CN108895955B (en) | 2018-05-22 | 2018-05-22 | Compact Hall displacement sensor special for DVVA and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495705.3A CN108895955B (en) | 2018-05-22 | 2018-05-22 | Compact Hall displacement sensor special for DVVA and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108895955A true CN108895955A (en) | 2018-11-27 |
| CN108895955B CN108895955B (en) | 2020-01-24 |
Family
ID=64343170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495705.3A Active CN108895955B (en) | 2018-05-22 | 2018-05-22 | Compact Hall displacement sensor special for DVVA and assembling method thereof |
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| Country | Link |
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| CN (1) | CN108895955B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343871A (en) * | 2001-10-12 | 2002-04-10 | 厦门大学 | Hall follow-up shift sensor |
| JP3822731B2 (en) * | 1997-10-03 | 2006-09-20 | 株式会社緑測器 | Non-contact linear displacement sensor |
| CN201037764Y (en) * | 2007-04-12 | 2008-03-19 | 中国矿业大学 | Displacement sensor for measuring gap of brake block |
| CN102538835A (en) * | 2010-12-20 | 2012-07-04 | 长春荣德光学有限公司 | Non-contact annular magnetoelectric rotary encoder |
| CN103217093A (en) * | 2013-04-23 | 2013-07-24 | 扬州大学 | Hall type straight small displacement sensor |
| CN203595492U (en) * | 2013-12-20 | 2014-05-14 | 宁波市北仑机械电器有限公司 | Non-contact absolute value type linear displacement sensor |
| CN107421432A (en) * | 2017-06-16 | 2017-12-01 | 上海同驭汽车科技有限公司 | A kind of Novel Non-Contact Type Hall Displacement Sensor |
-
2018
- 2018-05-22 CN CN201810495705.3A patent/CN108895955B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3822731B2 (en) * | 1997-10-03 | 2006-09-20 | 株式会社緑測器 | Non-contact linear displacement sensor |
| CN1343871A (en) * | 2001-10-12 | 2002-04-10 | 厦门大学 | Hall follow-up shift sensor |
| CN201037764Y (en) * | 2007-04-12 | 2008-03-19 | 中国矿业大学 | Displacement sensor for measuring gap of brake block |
| CN102538835A (en) * | 2010-12-20 | 2012-07-04 | 长春荣德光学有限公司 | Non-contact annular magnetoelectric rotary encoder |
| CN103217093A (en) * | 2013-04-23 | 2013-07-24 | 扬州大学 | Hall type straight small displacement sensor |
| CN203595492U (en) * | 2013-12-20 | 2014-05-14 | 宁波市北仑机械电器有限公司 | Non-contact absolute value type linear displacement sensor |
| CN107421432A (en) * | 2017-06-16 | 2017-12-01 | 上海同驭汽车科技有限公司 | A kind of Novel Non-Contact Type Hall Displacement Sensor |
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|---|---|
| CN108895955B (en) | 2020-01-24 |
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Denomination of invention: Dvva special compact Hall displacement sensor and its assembly method Effective date of registration: 20210608 Granted publication date: 20200124 Pledgee: Qiaoqi sub branch of Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Pledgor: JIANGYIN LINGE TECHNOLOGY Co.,Ltd. Registration number: Y2021320010202 |