CN209399916U - Sensor unit - Google Patents
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- CN209399916U CN209399916U CN201920290570.7U CN201920290570U CN209399916U CN 209399916 U CN209399916 U CN 209399916U CN 201920290570 U CN201920290570 U CN 201920290570U CN 209399916 U CN209399916 U CN 209399916U
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- slide valve
- sensor unit
- sensor
- busbar
- space
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 8
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- 229910052751 metal Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 10
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- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Control Of Transmission Device (AREA)
Abstract
The utility model provides sensor unit.One mode of the sensor unit of the utility model is following sensor unit, is fixed on the slide valve packaging container of storage slide valve, detects to the position of slide valve, which includes single shell, has space in inside；Multiple sensor elements, they configure in space, detect to the position of slide valve；Public power supply busbar is configured in space, is electrically connected with the power supply terminal of each sensor element；And public earthy busbar, it configures in space, is electrically connected with the ground terminal of each sensor element.
Description
Technical field
The utility model relates to sensor units.
Background technique
In the past, as hydraulic control valve, there is known slide valves.For example, being recorded in No. 4946217 specifications of Japanese Patent Publication No.
Double-clutch automatic transmission, the double-clutch automatic transmission apply the gear shifting actuator with slide valve.
The gear shifting actuator recorded in No. 4946217 specifications of Japanese Patent Publication No. has columnar slide valve and shell, slide valve
It is contained and is mounted to slide axially relative to the sliding valve hole being arranged on shell.In addition, being internally provided in slide valve
Magnet is internally provided with Magnetic Sensor in shell.Moreover, when slide valve is axially moveable, by the Magnetic Sensor to magnet
The variation in the magnetic field of sending is detected, so that the position to slide valve is detected.
According to structure as No. 4946217 specifications of Japanese Patent Publication No., it is able to carry out the axial position detection of slide valve.
However, the structure of No. 4946217 specifications of Japanese Patent Publication No. is due to being to be examined using 1 Magnetic Sensor to the magnetic field of magnet
It surveys, therefore in the case where Magnetic Sensor generates unfavorable condition, the position of slide valve can not be detected, therefore from fail safe
From the perspective of, need redundant system (duplex system).
In order to constitute redundant system, it is contemplated that 2 existing Magnetic Sensors of setting, still, usually mostly on slide valve periphery
Shell in without enough spaces supply the setting of 2 Magnetic Sensors.If in addition, even if 2 magnetic can be arranged in shell
Sensor, can also exist makes whole device become larger such problems.
Utility model content
The utility model is exactly given this situation to complete, it is intended that providing compact-sized and can answer
To the sensor unit of redundant system (duplex system).
The first method of the utility model provides a kind of sensor unit, which is fixed on the cunning of storage slide valve
On valve packaging container, the position of slide valve is detected, which is characterized in that the sensor unit includes single shell, in inside
With space；Multiple sensor elements, they configure in space, detect to the position of slide valve；Public power supply is used foreign currency
Item is flowed, configures in space, is electrically connected with the power supply terminal of each sensor element；And public earthy busbar,
Configuration is electrically connected in space with the ground terminal of each sensor element.
The sensor unit of the second method of the utility model is characterized in that, in the sensor unit of first method,
The power supply busbar and the earthy busbar separate in the central axial direction of the slide valve, and are mutually juxtaposed
Configuration.
The sensor unit of the Third Way of the utility model is characterized in that, in the sensor unit of second method,
Under the vertical view from the direction vertical with the central axial direction of the slide valve, the power supply busbar and the ground connection
It is configured centered on defined datum mark according to the relationship of point symmetry each other with busbar.
The sensor unit of the fourth way of the utility model is characterized in that, in the sensor unit of Third Way,
Under the vertical view from the direction vertical with the central axial direction of the slide valve, the power supply busbar and the ground connection
Shape generally L-shaped is respectively provided with busbar.
The sensor unit of 5th mode of the utility model is characterized in that, in the sensor unit of first method,
Each sensor element detects the position of the single slide valve.
The sensor unit of 6th mode of the utility model is characterized in that, in the sensor unit of second method,
The slide valve has magnet in one end of the central axial direction, and the multiple sensor element is the magnetic field to the magnet
The Magnetic Sensor detected.
7th mode of the utility model provides a kind of sensor unit, which is fixed on the cunning of storage slide valve
Valve packaging container detects the position of the slide valve, which is characterized in that and the sensor unit includes single shell, including
Portion has space；Multiple sensor elements, they configure in the space, detect to the position of the slide valve；And
Public power supply busbar is configured in the space, is electrically connected with the power supply terminal of each sensor element.
The eighth mode of the utility model provides a kind of sensor unit, which is fixed on the cunning of storage slide valve
Valve packaging container detects the position of the slide valve, which is characterized in that and the sensor unit includes single shell, including
Portion has space；Multiple sensor elements, they configure in the space, detect to the position of the slide valve；And
Public earthy busbar is configured in the space, is electrically connected with the ground terminal of each sensor element.
The sensor unit of 9th mode of the utility model is characterized in that, in any of first method to eighth mode
In the sensor unit of one mode, the sensor unit has multiple sensor output, and the multiple sensor is defeated
Terminal arrangement is electrically connected, the multiple sensor in the space with the signal terminal of each sensor element out
Output terminal separate configuration in the central axial direction of the slide valve.
According to the utility model, sensor list that is compact-sized and coping with redundant system (duplex system) is realized
Member.
Detailed description of the invention
Fig. 1 is the solid for showing the structure of valve gear of the sensor unit equipped with the embodiments of the present invention
Figure.
Fig. 2 is that the decomposition for the structure of valve gear for showing the sensor unit equipped with the embodiments of the present invention is vertical
Body figure.
Fig. 3 is the figure for showing the structure of valve gear of the sensor unit equipped with the embodiments of the present invention, is
The III-III line cross-sectional view of Fig. 1.
Fig. 4 is the figure of the valve gear of the sensor unit from front side equipped with the embodiments of the present invention.
Fig. 5 is the top view for showing the structure of sensor unit of the embodiments of the present invention.
Fig. 6 be show from the sensor unit of Fig. 5 remove cable after state top view.
Fig. 7 is the enlarged drawing in the portion A (part surrounded by dotted line) of Fig. 6.
Fig. 8 is the circuit diagram of the sensor unit of the embodiments of the present invention.
Label declaration
10: valve gear；10a: oil circuit；20: oil circuit body；21: lower body；22: portion of upper body；22e: stage portion；22f: plane
Portion；23: sliding valve hole；24: groove portion；24a: medial surface (rotation prevention portion)；30: slide valve；40: sensor unit；41: shell；41b: it connects
Contact portion；41c: fixed part；41d: through hole；42,43: Magnetic Sensor；42a, 43a: power supply terminal；42b, 43b: signal terminal；
42c, 43c: ground terminal；44: power supply busbar；44a, 45a: the 1st interconnecting piece；44b, 45b: the 2nd interconnecting piece；44c,45c,
46a, 47a: recess portion；45: earthy busbar；46,47: sensor output；49: moulded resin；50: magnet；70: elasticity
Component；71: fixation member；80: magnet retainer；80a: second recesses；81: retainer main part；81a: sliding part；81c: the 1
Recess portion；82,181d: opposed portion；90: fixing screws；124: reception hole；160: rotation prevention portion；J: central axis；Y: axial；Z: on
Lower direction；C1, C2, C3, C4: cable.
Specific embodiment
In the various figures, Z-direction is up and down direction Z.X-direction is the left side in the horizontal direction vertical with up and down direction Z
Right direction X.Y direction is the axial Y vertical with left and right directions X in the horizontal direction vertical with up and down direction Z.By upper and lower
Positive side into Z is referred to as " upside ", and negative side is referred to as " downside ".Positive side in axial Y is referred to as " front side ", negative side is referred to as
" rear side ".Front side is equivalent to axial side, and rear side is equivalent to the axial other side.In addition, upside, downside, front side, rear side, up and down
Direction and left and right directions are only for illustrating the title of the relative positional relationship in each portion, and actual configuration relation etc. is also possible to
Configuration relation etc. other than configuration relation represented by these titles etc..
Fig. 1 be show the valve gear 10 of the sensor unit 40 equipped with the embodiments of the present invention structure it is vertical
Body figure.Fig. 2 is the exploded perspective view for showing the structure of valve gear 10.Fig. 3 is the III-III line cross-sectional view of Fig. 1.Fig. 4 is in the past
The figure of side observation valve gear 10.Valve gear 10 shown in FIG. 1 to FIG. 4 is for example mounted in the control valve of vehicle.Valve gear 10 has
There are oil circuit body 20, slide valve 30, magnet retainer 80, magnet 50, elastomeric element 70, fixation member 71 and sensor unit 40.
The sensor unit 40 of present embodiment is following device: it is fixed on the oil circuit body 20 (slide valve packaging container) of storage slide valve 30,
The position of slide valve 30 is detected.
(structure of valve gear 10)
As shown in figure 3, oil circuit body 20 is in the internal oil circuit 10a with fuel feeding flowing.The oil circuit 10a's being shown in FIG. 3
Part is a part of aftermentioned sliding valve hole 23.In the various figures, such as the shape after cutting a part of oil circuit body 20 is shown
State.As shown in Figure 1, oil circuit body 20 has lower body 21 and portion of upper body 22.Although not shown, but oil circuit 10a be for example arranged
In both lower body 21 and portion of upper body 22.
Lower body 21 has lower part phosphor bodies 21a and partition 21b, and partition 21b is Chong Die with the upside of lower part phosphor bodies 21a
Ground configuration.In the present embodiment, the upper surface of lower body 21 is equivalent to the upper surface of partition 21b, vertical with up and down direction Z.
Portion of upper body 22 and the upside of lower body 21 overlappingly configure.The lower surface of portion of upper body 22 is vertical with up and down direction Z.Portion of upper body 22
Lower surface is contacted with the upper surface of the upper surface of lower body 21, i.e. partition 21b.
As shown in figure 3, portion of upper body 22 has the sliding valve hole 23 extended along axial Y.In the present embodiment, sliding valve hole 23
The cross sectional shape vertical with axial Y is the circle centered on central axis J.Central axis J extends along axial Y.In addition, will be with
Radial direction centered on central axis J is referred to as " radial direction ", and the circumferential direction centered on central axis J is referred to as " circumferential direction ".
Sliding valve hole 23 is at least in front openings.In the present embodiment, the rear end of sliding valve hole 23 is closed.That is, sliding valve hole
23 be in front openings and with the hole of bottom.In addition, sliding valve hole 23 for example can be in the both-side opening of axial Y.Sliding valve hole 23
At least part constitute oil circuit body 20 in oil circuit 10a a part.
Sliding valve hole 23 has sliding valve hole main body 23a and imports hole portion 23b.Although illustration omitted, sliding valve hole main body 23a's
On inner peripheral surface, the oil circuit 10a of the part being set to other than sliding valve hole 23 in oil circuit body 20 is open.Import the internal diameter of hole portion 23b
Greater than the internal diameter of sliding valve hole main body 23a.Hole portion 23b is imported to connect with the end of the front side of sliding valve hole main body 23a.Import hole portion
23b is the end of the front side of sliding valve hole 23, in front openings.
It is recessed from the inner circumferential of sliding valve hole 23 towards radial outside and as shown in Figure 1, sliding valve hole 23 has along axial Y extension
Groove portion 24.In the present embodiment, groove portion 24 is provided with a pair across central axis J.A pair of of groove portion 24 is from importing hole portion 23b's
Inner peripheral surface in the lateral direction X two sides recess.Groove portion 24 is from the end of the front side for the inner peripheral surface for importing hole portion 23b to importing hole portion
The end of the rear side of the inner peripheral surface of 23b is configured.As shown in figure 4, when from front side, the medial surface 24a of groove portion 24 is
It is recessed from the inner circumferential for importing hole portion 23b towards radial outside semicircular arc-shaped.
As shown in figure 3, portion of upper body 22 has through hole 22a, 22b, 22c in the end of the front side of portion of upper body 22.Through hole
Upper surface to the part for the inner peripheral surface for importing hole portion 23b of 22a slave portion of upper body 22 of the Z in the portion of upper body 22 along the vertical direction.
Through hole 22b runs through the lower surface of the slave portion of upper body 22 in portion of upper body 22 to the inner peripheral surface for importing hole portion 23b along the vertical direction
Part.As shown in Figure 1, through hole 22a and through hole 22b are longer rectangular on X in left and right directions when from upside
Shape.Through hole 22a and through hole 22b are overlapped when from upside.
As shown in figure 3, the front surface of slave portion of upper body 22 of the through hole 22c along axial Y in the portion of upper body 22 is to through hole
The part of 22b.Through hole 22c is set to the lower end of the front surface of portion of upper body 22.Through hole 22c is in lower opening.Such as Fig. 4 institute
Show, when from front side, through hole 22c is longer rectangle on X in left and right directions.A left side of through hole 22a, 22b, 22c
The center of right direction X is for example identical as the position of left and right directions X of central axis J.
As shown in Figure 1, portion of upper body 22 has side protruding portion 22d outstanding more up than other parts.Protruding portion 22d tool
Have: stage portion 22e is located at the end of front side；And planar portions 22f, it is located at the rear side of stage portion 22e.Stage portion 22e's
It is convex semicircular arc-shaped curved surface that upper surface, which is to upside,.The upper surface of planar portions 22f is parallel with left and right directions X and axial direction Y
Plane, in the upper surface of planar portions 22f equipped with sensor unit 40.In addition, the upper end of the curved surface of stage portion 22e is than flat
Facial 22f high, than planar portions 22f by upwardly projecting.Sensor unit 40 by make the contact portion 41b of sensor unit 40 with
The end face of the rear side of the upper end of stage portion 22e abuts and is positioned, to be fixed on planar portions 22f.
Through hole 22a is open in the upper end of the semicircular arc-shaped curved surface of stage portion 22e.Lower part phosphor bodies 21a, partition
21b and portion of upper body 22 are for example single component respectively.Lower part phosphor bodies 21a, partition 21b and portion of upper body 22 are by nonmagnetic material
It is made.
As shown in figure 3, slide valve 30 is configured along central axis J, the edge central axis J intersects with up and down direction Z
Axial Y extends.Slide valve 30 is cylindric.Slide valve 30 is mounted on oil circuit body 20.Slide valve 30 along axial Y in a manner of it can move
Configuration is in sliding valve hole 23.
Slide valve 30 moves in sliding valve hole main body 23a along axial Y, to the oil of the inner peripheral surface opening in sliding valve hole main body 23a
The opening portion of road 10a is opened and closed.Although not shown, oil is hydraulic or from driving devices such as solenoid actuators
The end of the rear side of slide valve 30 is applied to towards the power of front side.Slide valve 30 has supporting part 31a, multiple large-diameter portion 31b and more
A small diameter portion 31c.Each portion of slide valve 30 is centered on central axis J and along the cylindric of axial Y extension.
Supporting part 31a is the end of the front side of slide valve 30.After the end of the front side of supporting part 31a is to magnet retainer 80
The end of side is supported.The end of the rear side of supporting part 31a is connect with the end of the front side of large-diameter portion 31b.
Multiple large-diameter portion 31b and multiple small diameter portion 31c are from the large-diameter portion 31b connecting with the end of the rear side of supporting part 31a
It is arranged alternately in a continuous manner towards rear side.The outer diameter of large-diameter portion 31b is greater than the outer diameter of small diameter portion 31c.In the present embodiment, it supports
The outer diameter of portion 31a is e.g. identical with the outer diameter of small diameter portion 31c.The outer diameter of large-diameter portion 31b and the internal diameter of sliding valve hole main body 23a
Roughly the same, the internal diameter than sliding valve hole main body 23a is slightly smaller.Large-diameter portion 31b being capable of inner circumferential of the one side relative to sliding valve hole main body 23a
It is mobile that an edge axial direction Y is slided in face.Large-diameter portion 31b is opened as the oil circuit 10a's to the inner peripheral surface opening in sliding valve hole main body 23a
Valve portion that oral area is opened and closed and function.In the present embodiment, slide valve 30 is, for example, metal single component.
Magnet retainer 80 is configured at the front side of slide valve 30.Magnet retainer 80 is matched in a manner of it can move along axial Y
It sets in the inside for importing hole portion 23b.Allow slide valve 30 and magnet retainer 80 each other around central axis relative rotation.Such as Fig. 2 institute
Show, magnet retainer 80 has retainer main part 81 and opposed portion 82.
Retainer main part 81 is centered on central axis J and along the with the level cylindric of axial Y extension.Such as Fig. 3
Shown, retainer main part 81 configures in sliding valve hole 23.More specifically, the configuration of retainer main part 81 is importing hole portion
In 23b.Retainer main part 81 has sliding part 81a and supported portion 81b.That is, magnet retainer 80 have sliding part 81a and
Supported portion 81b.
The outer diameter of sliding part 81a is greater than the outer diameter of large-diameter portion 31b.The outer diameter of sliding part 81a and the internal diameter for importing hole portion 23b
Roughly the same, the internal diameter than importing hole portion 23b is slightly smaller.Sliding part 81a can be on one side relative to the inner peripheral surface of sliding valve hole 23, i.e. sheet
It is mobile that the inner peripheral surface of importing hole portion 23b in embodiment slides an edge axial direction Y.Diameter in the face of the rear side of sliding part 81a
To outer edge can in sliding valve hole main body 23a and import the step surface towards front side between hole portion 23b in the step that generates
Contact.Thereby, it is possible to inhibit magnet retainer 80 from the position of magnet retainer 80 and step face contact, side is mobile backward, thus
It can determine the last end position of magnet retainer 80.As described later, slide valve 30 is carried out own elasticity across magnet retainer 80
The power towards rear side of component 70, it is thus determined that the last end position of magnet retainer 80, so as to determine slide valve 30
Last end position.
Supported portion 81b is connect with the end of the rear side of sliding part 81a.The outer diameter of supported portion 81b is less than sliding part 81a
Outer diameter and large-diameter portion 31b outer diameter, and greater than supporting part 31a outer diameter and small diameter portion 31c outer diameter.Supported portion 81b energy
It is enough to be moved in sliding valve hole main body 23a.Supported portion 81b is as slide valve 30 is along axial moving for Y and in importing hole portion 23b and cunning
It is moved between valve opening main body 23a along axial Y.
Supported portion 81b have be recessed from the end of the rear side of supported portion 81b to front side by bearing recess portion 80b.?
By in bearing recess portion 80b inserted with supporting part 31a.The end of the front side of supporting part 31a connects with by the bottom surface of bearing recess portion 80b
Touching.Magnet retainer 80 is supported by slide valve 30 from rear side as a result,.The size of the axial Y of supported portion 81b is, for example, less than sliding part
The size of the axial Y of 81a.
As shown in Fig. 2, opposed portion 82 is prominent from retainer main part 81 to radial outside.More specifically, opposed portion 82
It is prominent from sliding part 81a to radial outside.In the present embodiment, opposed portion 82 is provided with a pair across central axis J.It is a pair of
The two sides of opposed portion 82 from the outer peripheral surface of sliding part 81a X in the lateral direction are prominent.Opposed portion 82 is from the front side of sliding part 81a
End extends to the end of the rear side of sliding part 81a along axial Y.As shown in figure 4, when from front side, opposed portion 82 be to
Radial outside is convex semicircular arc-shaped.
A pair of of opposed portion 82 is chimeric with a pair of of groove portion 24.Opposed portion 82 and the medial surface 24a of groove portion 24 are opposed in the circumferential,
And it can be contacted with medial surface 24a.In addition, in the present specification, " certain 2 part is opposed in the circumferential " includes certain 2 part
The two is located in 1 imaginary circle circumferentially and situation opposite each other.
As shown in figure 3, magnet retainer 80 has the 1st recess portion being recessed from the periphery of sliding part 81a towards radially inner side
81c.In Fig. 3, the 1st recess portion 81c is recessed from the upper end of sliding part 81a to downside.The medial surface of 1st recess portion 81c is included in
Opposed pairs face on axial Y.
Magnet retainer 80 has the second recesses 80a being recessed from the end of the front side of magnet retainer 80 to rear side.2nd
Recess portion 80a extends to supported portion 81b from sliding part 81a.As shown in Fig. 2, second recesses 80a is in when from front side
Circle centered on mandrel line J.As shown in figure 3, the internal diameter of second recesses 80a is greater than by the internal diameter of bearing recess portion 80b.
Magnet retainer 80 can be for example formed from a resin, and can also be made of made of metal.In magnet retainer 80 by setting
In situation made of rouge, magnet retainer 80 can be easily manufactured.In addition, can reduce the manufacture of magnet retainer 80 at
This.In the case where magnet retainer 80 is made of metal, the dimensional accuracy of magnet retainer 80 can be improved.
As shown in Fig. 2, magnet 50 is substantially rectangular parallelepiped.The upper surface of magnet 50 is e.g. circumferentially in arc-shaped bend
Face.As shown in figure 3, magnet 50 is accommodated in the 1st recess portion 81c, and it is fixed on retainer main part 81.Magnet 50 as a result,
It is fixed on magnet retainer 80.Magnet 50 is for example fixed by bonding agent.The radial outer side of magnet 50 for example positioned at
Outer peripheral surface than sliding part 81a leans on the position of radially inner side.The radial outer side of magnet 50 and the inner peripheral surface for importing hole portion 23b exist
It is radially opposed across gap.
As described above, the sliding part 81a for being provided with the 1st recess portion 81c slides one relative to the inner peripheral surface of sliding valve hole 23 on one side
Side is mobile.Therefore, the outer peripheral surface of sliding part 81a is opposed with the inner circumferential face contact of sliding valve hole 23 or across small gap.By
This, the foreign matters such as sheet metal included in oil are not easily accessed into the 1st recess portion 81c.Therefore, it is able to suppress included in oil
The foreign matters such as sheet metal are attached on the magnet 50 being accommodated in the 1st recess portion 81c.The case where magnet retainer 80 is made of metal
Under, it can be improved the dimensional accuracy of sliding part 81a, therefore make the foreign matters such as sheet metal included in oil are more difficult to enter
In 1 recess portion 81c.
As shown in Fig. 2, fixation member 71 is the plate face plate parallel with left and right directions X.Fixation member 71 has extension
71a and buckling portion 71b.Z extends extension 71a along the vertical direction.When from front side, extension 71a is Z in above-below direction
Upper longer rectangle.As shown in figures 1 and 3, extension 71a is inserted into the inside for importing hole portion 23b via through hole 22b.
The upper end of extension 71a is inserted into through hole 22a.One of the opening of the front side of extension 71a confined bed entrance bore portion 23b
Point.Lateroflexion is bent forward from the end of the downside of extension 71a by buckling portion 71b.Buckling portion 71b is inserted into through hole 22c.It is fixed
Component 71 is configured at the front side of elastomeric element 70.
In the present embodiment, fixation member 71 is before being overlapped portion of upper body 22 with lower body 21, from portion of upper body 22
Lower surface opening through hole 22b opening portion via through hole 22b and import hole portion 23b be inserted into through hole 22a.So
Afterwards, as shown in Figure 1, making to be inserted into perforation by making to be laminated and combined in portion of upper body 22 and lower body 21 in above-below direction Z
Buckling portion 71b in the 22c of hole is by the upper surface of lower body 21 from lower side bearing.Thereby, it is possible to by fixation member 71 relative to oil
Road body 20 is installed.
As shown in figure 3, elastomeric element 70 is the coil spring extended along axial Y.Elastomeric element 70 is configured at magnet holding
The front side of frame 80.In the present embodiment, at least part of elastomeric element 70 configures in second recesses 80a.Therefore, can
It is be overlapped radially with magnet retainer 80 to make at least part of elastomeric element 70, to be easy to make the axial Y of valve gear 10
It is compact in size.In the present embodiment, the rear side of elastomeric element 70 is partly arranged in second recesses 80a.
The end of the rear side of elastomeric element 70 is contacted with the bottom surface of second recesses 80a.The end of the front side of elastomeric element 70 with
Fixation member 71 contacts.The end fixed part 71 of the front side of elastomeric element 70 supports as a result,.Fixation member 71 is come from
The elastic force towards front side of elastomeric element 70, thus extension 71a is pressed against the medial surface of the front side of through hole 22a, 22b.
It is supported by the end fixed part 71 of the front side of elastomeric element 70, elastomeric element 70 is across magnet retainer 80
Elastic force towards rear side is applied to slide valve 30.Thus, for example, can be in the hydraulic of the oil of the end for the rear side for being applied to slide valve 30
Or the position of the Spring balanced of the power and elastomeric element 70 applied from driving devices such as solenoid actuators maintains slide valve 30
The position of axial Y.As a result, by making to be applied to the power variation of the end of the rear side of slide valve 30, it can make the axial Y's of slide valve 30
Change in location, so as to switch oil circuit body 20 inside oil circuit 10a opening and closing.
In addition, by the rear side for being applied to slide valve 30 end oil it is hydraulic or from the drivings such as solenoid actuator fill
The power of application and the elastic force of elastomeric element 70 are set, magnet retainer 80 can be pressed on axial Y with slide valve 30.Therefore, permit
Perhaps magnet retainer 80 is relative to slide valve 30 around the relative rotation of central axis, and the magnet retainer 80 is with 30 edge of slide valve
The movement of axial Y and moved along axial Y.
Sensor unit 40 is the device detected to the position of slide valve 30.As described above, the sensing of present embodiment
Device unit 40 and abutting the contact portion 41b of sensor unit 40 with the end face of the rear side of the upper end of stage portion 22e into
Row positioning, to be fixed on planar portions 22f.Hereinafter, to the structure of the sensor unit 40 of the embodiments of the present invention into
Row is described in detail.
(structure of sensor unit 40)
Fig. 5 is the top view for showing the structure of sensor unit 40 of present embodiment.Sensor unit 40 has shell
41,2 Magnetic Sensors 42,43 (sensor element), power supply busbar 44, earthy busbar 45 and sensor output
Son 46,47.Cable C1 is connected on sensor unit 40, cable C1 is electrically connected with power supply busbar 44, is sensed to magnetic
Power supply terminal 42a, 43a of device 42,43 provide power supply.Cable C2 is connected on sensor unit 40, cable C2 and ground connection
It is electrically connected with busbar 45, ground terminal 42c, 43c of Magnetic Sensor 42,43 is grounded.In addition, connecting on sensor unit 40
It is connected to cable C3, C4, cable C3, C4 and sensor output 46,47 are separately connected, by the output of Magnetic Sensor 42,43
It is output to the outside.Fig. 6 be show from the sensor unit 40 of Fig. 5 remove cable C1~C4 after state top view.Fig. 7 is figure
The enlarged drawing in 6 portion A (part that dotted line is surrounded).In addition, for ease of observing attached drawing, indicating power supply with grey in Fig. 7
With busbar 44 and earthy busbar 45.
Shell 41 is the shell of cuboid box-shaped flat on Z in above-below direction, stores sensor list in internal space
The each component of member 40.In addition, shell 41 has a fixed part 41c, fixed part 41c is from the end face on the right side of shell 41 and flat
Facial 22f stretches out in parallel.Fixed part 41c has the through hole of Z perforation along the vertical direction in the substantial middle of fixed part 41c
41d.In the case where sensor unit 40 is installed on portion of upper body 22, shell 41 is configured at planar portions 22f, makes shell 41
Contact portion 41b as front end face is abutted with the end face of the rear side of the upper end of stage portion 22e.At this point, planar portions 22f's
The upside of threaded hole (not shown) is configured with through hole 41d.Therefore, by making fixing screws 90 by through hole 41d, and make solid
Determine screw 90 to be fixed in the threaded hole (not shown) of planar portions 22f, shell 41 is fixed on planar portions 22f (Fig. 1).In addition,
When rotating fixing screws 90, the stress of the direction of rotation centered on through hole 41d is applied to sensor unit 40.But
It is, in the present embodiment, since the contact portion 41b of shell 41 is contacted with the end face of the rear side of the upper end of stage portion 22e, because
This sensor unit 40 will not be rotated with the rotation of fixing screws 90.That is, the consolidating by 1 position of sensor unit 40
It is fixed to determine screw 90, stage portion 22e as sensor unit 40 rotation prevention portion and function.
As shown in Fig. 3, Fig. 5 and Fig. 6, Magnetic Sensor 42,43 is incorporated in the biography for being formed in the bottom surface of shell 41 respectively
It is fixed to be molded resin 49 by sensor incorporating section 41aa, 41ab.Moulded resin 49 is, for example, epoxy resin, as shown in Figure 1, filling
Into entire shell 41.In addition, moulded resin 49 can also be coated part in a manner of covering the upside of Magnetic Sensor 42,43.
In addition, for ease of observing attached drawing, omission shows moulded resin 49 in Fig. 5~Fig. 7.
Magnetic Sensor 42,43 is the sensor element detected to the magnetic field of magnet 50.Magnetic Sensor 42,43 is, for example,
Hall element.In addition, Magnetic Sensor 42,43 is also possible to magnetoresistive element.In the present embodiment, Magnetic Sensor 42,43 is in magnetic
The configuration (Fig. 3, Fig. 5) side by side on X in left and right directions of the upside of iron 50.As shown in Figure 6, Figure 7, Magnetic Sensor 42 has from magnetic and senses
Power supply terminal 42a, signal terminal 42b and the ground terminal 42c that device 42 extends towards rear side.In addition, Magnetic Sensor 43 has
Power supply terminal 43a, signal terminal 43b and the ground terminal 43c extended from Magnetic Sensor 43 towards rear side.
Power supply with busbar 44 is mentioned to the power supply terminal 42a of Magnetic Sensor 42 and the power supply terminal 43a of Magnetic Sensor 43
The common unit of power supply source.Power supply is the component being process to the thin plate of metal (such as copper) with busbar 44, from
When up and down direction Z is observed (under vertical view), there is the shape of substantially L-shaped laterally toward.Power supply busbar 44 includes the 1st
Interconnecting piece 44a is electrically connected with power supply terminal 42a；And the 2nd interconnecting piece 44b, it is electrically connected with power supply terminal 43a.1st connects
Socket part 44a is the position of the plate erected from the upward side of one end of power supply busbar 44.2nd interconnecting piece 44b is from power supply
With the position for the plate that the upward side in the other end of busbar 44 erects.1st interconnecting piece 44a and the 2nd interconnecting piece 44b are in axial Y
It is upper to separate, in addition, also being separated on X in left and right directions.The through hole that there is 1st interconnecting piece 44a power supply source terminal 42a to pass through is (not
Diagram), on the through hole periphery, power supply terminal 42a is welded on the 1st interconnecting piece 44a.2nd interconnecting piece 44b has power supply source terminal
The through hole (not shown) that 43a passes through, on the through hole periphery, power supply terminal 43a is welded on the 2nd interconnecting piece 44b.In addition, the 1st
Interconnecting piece 44a has the recess portion 44c being recessed to downside in front end center.The core wire of cable C1 is welded on recess portion 44c and
It is electrically connected (Fig. 5).
Earthy busbar 45 is to meet the ground terminal 43c of the ground terminal 42c of Magnetic Sensor 42 and Magnetic Sensor 43
The common unit on ground.Earthy busbar 45 is the component being process to the thin plate of metal (such as copper), from upper and lower
When direction Z is observed (under vertical view), there is the shape of substantially L-shaped laterally toward.In the present embodiment, earthy busbar
45 and power supply with busbar 44 with the intermediate point of earthy busbar 45 and the left and right directions X and axial direction Y of power supply busbar 44
The relationship of point symmetry is configured each other centered on (defined datum mark).Earthy busbar 45 includes the 1st interconnecting piece 45a,
It is electrically connected with ground terminal 42c；And the 2nd interconnecting piece 45b, it is electrically connected with ground terminal 43c.1st interconnecting piece 45a be from
The position for the plate that the upward side of the one end of earthy busbar 45 erects.2nd interconnecting piece 45b is from earthy busbar 45
The position for the plate that the upward side in the other end erects.1st interconnecting piece 45a and the 2nd interconnecting piece 45b is separated on axial Y, is in addition existed
It is also separated on left and right directions X.1st interconnecting piece 45a has the through hole (not shown) passed through for ground terminal 42c, in the perforation
Hole periphery, ground terminal 42c are welded on the 1st interconnecting piece 45a.2nd interconnecting piece 45b has the perforation passed through for ground terminal 43c
Hole (not shown), on the through hole periphery, ground terminal 43c is welded on the 2nd interconnecting piece 45b.In addition, the 2nd interconnecting piece 45b is preceding
End center has the recess portion 45c being recessed to downside.It is welded with the core wire of cable C2 on recess portion 45c and is electrically connected (Fig. 5).
Sensor output 46 is the component being electrically connected with the signal terminal 42b of Magnetic Sensor 42.Sensor output
Son 46 is the component for the plate that the metal (such as copper) erected from the upward side in the bottom surface of shell 41 is made.Sensor output 46 has
There is the through hole (not shown) passed through for signal terminal 42b, on the through hole periphery, it is defeated that signal terminal 42b is welded on sensor
Terminal 46 out.In addition, sensor output 46 has the recess portion 46a being recessed to downside in front end center.On recess portion 46a
It is welded with the core wire of cable C3 and is electrically connected (Fig. 5).
Sensor output 47 is the component being electrically connected with the signal terminal 43b of Magnetic Sensor 43.Sensor output
Son 47 is the component for the plate that the metal (such as copper) erected from the upward side in the bottom surface of shell 41 is made.Sensor output 47 has
There is the through hole (not shown) passed through for signal terminal 43b, on the through hole periphery, it is defeated that signal terminal 43b is welded on sensor
Terminal 47 out.In addition sensor output 47 has the recess portion 47a being recessed to downside in front end center.On recess portion 47a
It is welded with the core wire of cable C4 and is electrically connected (Fig. 5).In addition, in the present embodiment, sensor output 46 and sensor
Output terminal 47 separates on axial Y, and also separates on X in left and right directions.In this way, due to sensor output 46 and biography
Sensor output terminal 47 is well separated on axial Y and left and right directions X, therefore prevents short circuit between the two, and makes to sense
Device unit 40 becomes compact shape.
Fig. 8 is the circuit diagram of sensor unit 40.As shown in figure 8, in the present embodiment, since public power supply is used foreign currency
Stream item 44 is connect with the power supply terminal 43a of the power supply terminal 42a of Magnetic Sensor 42 and Magnetic Sensor 43, as long as therefore in sensor
The cable C1 of 1 power supply is connected on unit 40.In addition, due to public earthy busbar 45 and Magnetic Sensor 42
Ground terminal 42c is connected with the ground terminal 43c of Magnetic Sensor 43, as long as therefore connecting 1 ground connection on sensor unit 40
Cable C2.In this way, in the sensor unit 40 of present embodiment, by using power supply busbar 44 and ground connection
With busbar 45, reduce the item number for the cable connecting with sensor unit 40.Therefore, even if sensor unit 40 is using having
The structure of 2 Magnetic Sensors 42,43 is also compact shape.
When as slide valve 30 is along axial moving for Y and when the change in location of the axial Y of magnet 50, by Magnetic Sensor 42,
The changes of magnetic field of 43 magnet 50.Therefore, it is detected using the variation in the magnetic field of 42,43 pairs of magnet 50 of Magnetic Sensor, thus
Can position to the axial Y of magnet 50, i.e. magnet retainer 80 the position of axial Y detect.As described above, magnet is protected
Frame 80 is held as slide valve 30 is moved along axial Y along axial moving for Y.Therefore, pass through the position of the axial Y to magnet retainer 80
It sets and is detected, the position of the axial Y of slide valve 30 can be detected.
As described above, in the present embodiment, overlappingly matching on 2 Magnetic Sensors 42,43 and magnet 50 in above-below direction Z
It sets.Therefore, Magnetic Sensor 42,43 exports the location information of the axial Y of magnet retainer 80 respectively.Valve gear 10 is by using this
2 Magnetic Sensors 42,43 and constitute redundant system.That is, valve gear 10 passes through 2 Magnetic Sensors 42,43 of sensor unit 40
Output the position of the axial Y of slide valve 30 is detected.Moreover, any one magnetic in 2 Magnetic Sensors 42,43 senses
In the case that device generates unfavorable condition, the position of the axial Y of slide valve 30 is carried out using the output of another any Magnetic Sensor
Detection.In this way, realizing compact-sized and being able to carry out fail safe by using the sensor unit 40 of present embodiment
The valve gear 10 of construction.
It is description of the present embodiment above, but the utility model is not limited to above-mentioned structure, in the skill of the utility model
Various modifications can be carried out in the range of art thought.
For example, in the present embodiment, the knot that the magnetic field using 2 Magnetic Sensors, 42,43 pairs of magnet 50 is detected
Structure is illustrated, but as long as can detect to the position of the axial Y of slide valve 30, is then not limited to Magnetic Sensor.According to cunning
The other sensors such as optical sensor, piezoelectric element can be used for example in the structure of valve 30.
In addition, the sensor unit 40 of present embodiment has 2 Magnetic Sensors 42,43 in shell 41, but can also be with
Using the structure of the Magnetic Sensor with 3 or more.
In addition, in the present embodiment, to the axial Y of 42,43 pairs of Magnetic Sensor single slide valves 30 of sensor unit 40
The structure that is detected of position be illustrated, but for example can also be using such as flowering structure: by 2 30 configured in parallel of slide valve,
Magnetic Sensor 42,43 respectively detects the position of the axial Y of each slide valve 30.
In addition, in the present embodiment, under vertical view, power supply busbar 44 and earthy busbar 45 are respectively provided with greatly
L-shaped shape is caused, but is not limited to such structure.As long as power supply busbar 44 and earthy busbar 45 are at least on axial Y
It separates and parallel to each other, such as can be using the structure of substantially I word shape.
In addition, the purposes of the valve gear 10 of present embodiment is not particularly limited, can also be equipped on other than vehicle.Separately
Outside, above-mentioned each structure can be appropriately combined in mutual reconcilable range.
Claims (9)
1. a kind of sensor unit is fixed on the slide valve packaging container of storage slide valve, detects to the position of the slide valve,
It is characterized in that,
The sensor unit includes
Single shell has space in inside；
Multiple sensor elements, they configure in the space, detect to the position of the slide valve；
Public power supply busbar is configured in the space, is electrically connected with the power supply terminal of each sensor element；
And
Public earthy busbar is configured in the space, is electrically connected with the ground terminal of each sensor element.
2. sensor unit according to claim 1, which is characterized in that
The power supply busbar and the earthy busbar separate in the central axial direction of the slide valve, and mutually
Configuration side by side.
3. sensor unit according to claim 2, which is characterized in that
Under the vertical view from the direction vertical with the central axial direction of the slide valve, the power supply busbar and described
Earthy busbar is configured centered on defined datum mark according to the relationship of point symmetry each other.
4. sensor unit according to claim 3, which is characterized in that
Under the vertical view from the direction vertical with the central axial direction of the slide valve, the power supply busbar and described
Earthy busbar is respectively provided with shape generally L-shaped.
5. sensor unit according to claim 1, which is characterized in that
Each sensor element detects the position of the single slide valve.
6. sensor unit according to claim 2, which is characterized in that
The slide valve has magnet in one end of the central axial direction,
The multiple sensor element is the Magnetic Sensor detected to the magnetic field of the magnet.
7. a kind of sensor unit is fixed on the slide valve packaging container of storage slide valve, detects to the position of the slide valve,
It is characterized in that,
The sensor unit includes
Single shell has space in inside；
Multiple sensor elements, they configure in the space, detect to the position of the slide valve；And
Public power supply busbar is configured in the space, is electrically connected with the power supply terminal of each sensor element.
8. a kind of sensor unit is fixed on the slide valve packaging container of storage slide valve, detects to the position of the slide valve,
It is characterized in that,
The sensor unit includes
Single shell has space in inside；
Multiple sensor elements, they configure in the space, detect to the position of the slide valve；And
Public earthy busbar is configured in the space, is electrically connected with the ground terminal of each sensor element.
9. according to claim 1 to sensor unit described in any one in 8, which is characterized in that
The sensor unit has multiple sensor output, and the multiple sensor output configuration is in the space
It is interior, it is electrically connected with the signal terminal of each sensor element,
The multiple sensor output separate configuration in the central axial direction of the slide valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018045201A JP2019158570A (en) | 2018-03-13 | 2018-03-13 | Sensor unit |
| JP2018-045201 | 2018-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209399916U true CN209399916U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290570.7U Expired - Fee Related CN209399916U (en) | 2018-03-13 | 2019-03-07 | Sensor unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019158570A (en) |
| CN (1) | CN209399916U (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048506A (en) * | 2000-08-04 | 2002-02-15 | Matsushita Electric Ind Co Ltd | Position sensor for electromagnetic actuator |
| JP2007139457A (en) * | 2005-11-15 | 2007-06-07 | Aisin Seiki Co Ltd | Magnetism sensitive unit |
| JP5535139B2 (en) * | 2011-06-30 | 2014-07-02 | 株式会社ヴァレオジャパン | Proximity sensor |
| JP6654062B2 (en) * | 2016-02-24 | 2020-02-26 | 和研工業株式会社 | Stroke sensor |
-
2018
- 2018-03-13 JP JP2018045201A patent/JP2019158570A/en active Pending
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| JP2019158570A (en) | 2019-09-19 |
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