CN209356525U - A kind of normal velocity and direction sensor - Google Patents
A kind of normal velocity and direction sensor Download PDFInfo
- Publication number
- CN209356525U CN209356525U CN201822256141.6U CN201822256141U CN209356525U CN 209356525 U CN209356525 U CN 209356525U CN 201822256141 U CN201822256141 U CN 201822256141U CN 209356525 U CN209356525 U CN 209356525U
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- body member
- diameter end
- bracket
- inputting
- wheel
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a kind of normal velocity and direction sensors, including wire harness assembly and internal diameter in step-like and gradually smaller body member, described the smallest one end of body member internal diameter is miner diameter end, the maximum one end of internal diameter is bigger diameter end, the conductor wire end of the wire harness assembly runs through setting by bigger diameter end to the miner diameter end of body member, and the miner diameter end of body member is arranged close to wheel for inputting；The miner diameter end of the body member is provided with bracket, and PCBA board is fixed on the bracket, and bracket is provided with magnet steel at the position close to wheel for inputting；Two-way Hall chip is provided between the magnet steel and wheel for inputting, the stitch of the two-way Hall chip and the conducting wire of wire harness assembly are welded in PCBA board.The utility model has multiple installation directions with respect to wheel for inputting, and adaptability is good, and improves the working performance of sensor.
Description
Technical field
The utility model belongs to sensor electronic technical field, in particular relates to a kind of normal velocity and direction sensing
Device.
Background technique
Normal velocity and direction sensor are Double deference Hall sensor, the square-wave signal that 90 ° ± 20 ° of phase difference output,
By wheel for inputting direction of rotation and advanced/sluggish phase, spindle speed and directional information are obtained.Product design for big air gap,
High-resolution and broadband application range (1Hz to 15kHz).Hall effect techniques use advanced Digital Signal Processing
Dynamic deflection elimination is carried out, can provide the air gap performance and phase difference precision of enhancing in most conditions.
Existing speed and direction sensor can only fix an installation direction corresponding with wheel for inputting, just can the side of playing
To the detection with speed, installation accuracy requires height, the scope of application small.
Utility model content
According to problems of the prior art, the utility model provides a kind of normal velocity and direction sensor,
Opposite wheel for inputting has multiple installation directions, and adaptability is good, and improves the working performance of sensor.
The utility model uses following technical scheme:
A kind of normal velocity and direction sensor, including wire harness assembly and inner wall are in step-like and internal diameter gradually smaller
Body part, described the smallest one end of body member internal diameter is miner diameter end, the maximum one end of internal diameter is bigger diameter end, and the wire harness assembly is led
Line end runs through setting by bigger diameter end to the miner diameter end of body member, and the miner diameter end of body member is arranged close to wheel for inputting；The body member
Miner diameter end be provided with bracket, be fixed with PCBA board on the bracket, bracket is provided with magnet steel at the position close to wheel for inputting；
Two-way Hall chip, the stitch of the two-way Hall chip and the conducting wire of wire harness assembly are provided between the magnet steel and wheel for inputting
It is welded in PCBA board.
Preferably, the conductor wire end of the wire harness assembly is fastened in the inner cavity of the miner diameter end of body member, the wire harness assembly
Shield line plug is arranged at the position of the bigger diameter end of body member, the shield line plug is connected to the opening of the bigger diameter end of body member.
It is further preferred that the bracket is in arc surfaced, the PCBA board is erected at the concave surface of the cambered surface of bracket；It is described
Casting glue is provided between bracket and PCBA board.
Still more preferably, the miner diameter end of the body member is arranged with protective case, and the protective case is column, and the one of protective case
End is equipped with opening；The opening of the protective case is connected to the miner diameter end of body member；The bracket, PCBA board, magnet steel, two-way Hall core
Piece is arranged in protective case.
Still more preferably, the body member is provided with card slot, the card at peripheral position corresponding with shield line plug
Sealing ring is arranged in slot.
Still more preferably, it is nested to be provided with support used for positioning for the end point of the bigger diameter end of the body member.
Still more preferably, the two-way Hall chip includes induction wafer I arranged in a straight line, induction wafer II and sense
Answer wafer III；The induction wafer I, induction wafer II and the straight line and the axial direction of wheel for inputting incuded where III three of wafer are in
45 ° of angles.
Still more preferably, between the induction wafer I and induction wafer II, induction wafer II and induction wafer III
Spacing is equal.
The utility model has the beneficial effects that:
1) the utility model includes wire harness assembly, body member, bracket, PCBA board, magnet steel and two-way Hall chip, described double
Road Hall chip includes induction wafer I arranged in a straight line, induction wafer II and induction wafer III；The induction wafer I, induction are brilliant
The thickness direction of straight line and wheel for inputting where member II and induction wafer III is in 45 ° of angles, i.e. two-way Hall chip is relative to defeated
Entering wheel, there are four types of positions to be arranged, and during the installation process, the selectivity of the installation site of sensor is stronger, and adaptability is preferable.
2) bracket of the utility model is in arc surfaced, and the PCBA board is erected at the aperture position of the cambered surface of bracket, institute
It states and is provided with casting glue between bracket and PCBA board；The miner diameter end of the body member is arranged with protective case, and the protective case is column, and
One end of protective case is equipped with opening；The opening of the protective case is connected to the miner diameter end of body member；It is the bracket, PCBA board, magnet steel, double
Road Hall chip is arranged in protective case；The setting of the bracket, casting glue and protective case, so that internal PCBA board and double
The position of road Hall chip is relatively more fixed, greatly reduces the dislocation in the course of work, improves the work of sensor
Performance.
Detailed description of the invention
Fig. 1 is the structure partial cross-sectional view of the sensor of the utility model.
Fig. 2 a is the left view of the first state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 2 b is the schematic diagram of the first state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 2 c is the front view of the first state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 3 a is the left view of second of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 3 b is the schematic diagram of second of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 3 c is the front view of second of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 4 a is the left view of the third state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 4 b is the schematic diagram of the third state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 4 c is the front view of the third state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 5 a is the left view of the 4th kind of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 5 b is the schematic diagram of the 4th kind of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Fig. 5 c is the front view of the 4th kind of state of the position setting of the two-way Hall chip and wheel for inputting of the utility model.
Appended drawing reference: 1- wire harness assembly, 2- body member, 3- bracket, 4-PCBA plate, 5- magnet steel, 6- two-way Hall chip, 7-
Line plug is protected, 8- casting glue, 9- protective case, 10- sealing ring, 11- card slot, 12- support is nested, and 13- wheel for inputting, E1- incudes wafer I,
E2- incudes wafer II, and E3- incudes wafer III.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of normal velocity and direction sensor, including wire harness assembly 1 and inner wall are in step-like and internal diameter
Gradually smaller body member 2, the smallest one end of 2 internal diameter of body member is miner diameter end, the maximum one end of internal diameter is bigger diameter end, institute
The conductor wire end for stating wire harness assembly 1 runs through setting by bigger diameter end to the miner diameter end of body member 2, and the miner diameter end of body member 2 is close to input
13 setting of wheel；The miner diameter end of the body member 2 is provided with bracket 3, PCBA board 4 is fixed on the bracket 3, bracket 3 is close
Magnet steel 5 is provided at the position of wheel for inputting 13；Two-way Hall chip 6 is provided between the magnet steel 5 and wheel for inputting 13, it is described double
The stitch of road Hall chip 6 and the conducting wire of wire harness assembly 1 are welded in PCBA board 4.
In the inner cavity for the miner diameter end that the conductor wire end of the wire harness assembly 1 is fastened on body member 2, the wire harness assembly 1 is at this
Shield line plug 7 is arranged at the position of the bigger diameter end of body part 2, the shield line plug 7 is connected to the opening of the bigger diameter end of body member 2.
The bracket 3 is in arc surfaced, and the PCBA board 4 is erected at the concave surface of the cambered surface of bracket 3；The bracket 3 with
Casting glue 8 is provided between PCBA board 4.
The miner diameter end of the body member 2 is arranged with protective case 9, and the protective case 9 is column, and one end of protective case 9 is equipped with opening；
The opening of the protective case 9 is connected to the miner diameter end of body member 2；The bracket 3, PCBA board 4, magnet steel 5, two-way Hall chip 6 are equal
It is arranged in protective case 9.
The body member 2 is provided with card slot 11 at peripheral position corresponding with shield line plug 7, is arranged in the card slot 11
Sealing ring 10.
The end point of the bigger diameter end of the body member 2 is provided with support nesting 12 used for positioning.
The two-way Hall chip 6 includes I E1 of induction wafer arranged in a straight line, induction II E2 of wafer and induction wafer III
E3；Induction I E1 of wafer, induction II E2 of wafer and the thickness direction for incuding straight line and wheel for inputting 13 where III E3 of wafer are in
45 ° of angles.
Specifically, state there are four types of the position settings of the opposite wheel for inputting 13 of two-way Hall chip 6, I E1 of induction wafer,
The axial angle α of straight line and wheel for inputting 13 where induction II E2 of wafer and induction III E3 of wafer is 45 °.
It is the first state of the position setting of two-way Hall chip 6 and wheel for inputting 13 as shown in Fig. 2 a, Fig. 2 b, Fig. 2 c；
Fig. 3 a, Fig. 3 b, Fig. 3 c are second of state of the position setting of two-way Hall chip 6 and wheel for inputting 13；Fig. 4 a, Fig. 4 b, figure
4c is the third state of the position setting of two-way Hall chip 6 and wheel for inputting 13；Fig. 5 a, Fig. 5 b, Fig. 5 c are two-way Hall
The 4th kind of state that the position of chip 6 and wheel for inputting 13 is arranged.
Induction I E1 of wafer and the linear distance incuded between II E2 of wafer are D1, and induction II E2 of wafer and induction are brilliant
Linear distance between III E3 of member is D2；
Induction I E1 of wafer and the vertical range incuded between II E2 of wafer are S1, and induction II E2 of wafer and induction are brilliant
Vertical range between III E3 of member is S2；
The position as shown in Fig. 2 b, Fig. 3 b, S1=D1 × sin α, S2=D2 × sin α；
The position as shown in Fig. 4 b, Fig. 5 b, S1=D1 × sin α, S2=D2 × sin α；
Induction I E1 of wafer and the linear distance incuded between II E2 of wafer are that D1 is equal to induction II E2 of wafer and induction
Linear distance between III E3 of wafer is D2, so, such as S1=S2 all in Fig. 2 b, Fig. 3 b, Fig. 4 b, Fig. 5 b.
When i.e. two-way Hall chip 6 is set as four kinds of states with respect to the position of wheel for inputting 13, output waveform phase difference
It is 90 °.
When wheel for inputting 13 rotates, sensor magnet steel 5 can be changed by the magnetic field strength of two-way Hall chip 6, two-way
Changes of magnetic field is converted to alternate electrical signal by Hall chip 6, and alternate electrical signal can be adjusted and be amplified by PCBA board 4, passes through harness
1 output duty cycle 50% ± 10% of component, 90 ° ± 20 ° of phase difference of two-way difference rectangular pulse signal.
In conclusion the utility model provides a kind of normal velocity and direction sensor, opposite wheel for inputting has multiple
Installation direction, adaptability is good, and improves the working performance of sensor.
Claims (8)
1. a kind of normal velocity and direction sensor, it is characterised in that: including wire harness assembly (1) and inner wall in step-like and internal diameter
Gradually smaller body member (2), the smallest one end of body member (2) internal diameter is miner diameter end, the maximum one end of internal diameter is major diameter
End, the conductor wire end of the wire harness assembly (1) is by the bigger diameter end of body member (2) to miner diameter end through setting, the path of body member (2)
It holds and is arranged close to wheel for inputting (13)；The miner diameter end of the body member (2) is provided with bracket (3), is fixed on the bracket (3)
PCBA board (4), bracket (3) are provided with magnet steel (5) at the position close to wheel for inputting (13)；The magnet steel (5) and wheel for inputting
(13) it is provided between two-way Hall chip (6), the stitch of the two-way Hall chip (6) and the conducting wire of wire harness assembly (1) are equal
It is welded on PCBA board (4).
2. a kind of normal velocity according to claim 1 and direction sensor, it is characterised in that: the wire harness assembly (1)
The conductor wire end miner diameter end that is fastened on body member (2) inner cavity in, bigger diameter end of the wire harness assembly (1) in body member (2)
Shield line plug (7) is arranged at position, shield line plug (7) is connected to the opening of the bigger diameter end of body member (2).
3. a kind of normal velocity according to claim 2 and direction sensor, it is characterised in that: the bracket (3) is in arc
Planar, the PCBA board (4) are erected at the concave surface of the cambered surface of bracket (3)；It is arranged between the bracket (3) and PCBA board (4)
There are casting glue (8).
4. a kind of normal velocity according to claim 3 and direction sensor, it is characterised in that: the body member (2)
Miner diameter end is arranged with protective case (9), and the protective case (9) is column, and one end of protective case (9) is equipped with opening；Protective case (9) are opened
Mouth is connected to the miner diameter end of body member (2)；The bracket (3), PCBA board (4), magnet steel (5), two-way Hall chip (6) are respectively provided with
In protective case (9).
5. a kind of normal velocity according to claim 4 and direction sensor, it is characterised in that: the body member (2) exists
It is provided with card slot (11) at peripheral position corresponding with shield line plug (7), is arranged with sealing ring (10) in the card slot (11).
6. a kind of normal velocity according to claim 5 and direction sensor, it is characterised in that: the body member (2)
It is nested (12) that the end point of bigger diameter end is provided with support used for positioning.
7. a kind of normal velocity according to claim 1 and direction sensor, it is characterised in that: the two-way Hall chip
It (6) include induction wafer I (E1) arranged in a straight line, induction wafer II (E2) and induction wafer III (E3)；The induction wafer I
(E1), induction wafer II (E2) and the axial direction of straight line and wheel for inputting (13) where wafer III (E3) three is incuded in 45 ° of angles.
8. a kind of normal velocity according to claim 7 and direction sensor, it is characterised in that: the induction wafer I
(E1) equal with the spacing between induction wafer III (E3) with induction wafer II (E2), induction wafer II (E2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256141.6U CN209356525U (en) | 2018-12-29 | 2018-12-29 | A kind of normal velocity and direction sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256141.6U CN209356525U (en) | 2018-12-29 | 2018-12-29 | A kind of normal velocity and direction sensor |
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| Publication Number | Publication Date |
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| CN209356525U true CN209356525U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822256141.6U Active CN209356525U (en) | 2018-12-29 | 2018-12-29 | A kind of normal velocity and direction sensor |
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| CN (1) | CN209356525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682988A (en) * | 2018-12-29 | 2019-04-26 | 上海精传电子科技有限公司 | A kind of normal velocity and direction sensor |
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2018
- 2018-12-29 CN CN201822256141.6U patent/CN209356525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682988A (en) * | 2018-12-29 | 2019-04-26 | 上海精传电子科技有限公司 | A kind of normal velocity and direction sensor |
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