CN105191081B - Sensor and the electric rotating machine using the sensor - Google Patents
Sensor and the electric rotating machine using the sensor Download PDFInfo
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- CN105191081B CN105191081B CN201480016144.4A CN201480016144A CN105191081B CN 105191081 B CN105191081 B CN 105191081B CN 201480016144 A CN201480016144 A CN 201480016144A CN 105191081 B CN105191081 B CN 105191081B
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- magnet
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- 230000004907 flux Effects 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims description 67
- 238000001514 detection method Methods 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 210000000515 tooth Anatomy 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 210000002683 foot Anatomy 0.000 abstract description 68
- 239000012212 insulator Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
Abstract
The sensor includes：It is separated and sets along the direction of rotation of magnet (16), respectively from sensor outer housing main body (20) along the direction of the direction of rotation orthogonal with magnet (16) and with magnet (16) to first~threeth foot (80a prominent to ground, 80b, 80c)；Magnet (16) magnetic flux by with three foots (80a, 80b, 80c) to position when the first~the 4th Hall IC (50a, 50b, 50c, 50d) that is detected of change to magnetic flux.First and second Hall IC (50a, 50b, 50c, 50d) is housed in the first foot (80a).3rd Hall IC (50c) is housed in the second foot (80b).4th Hall IC (50c) is housed in the 3rd foot (80b).
Description
Technical field
The present invention relates to a kind of sensor (Sensor) detected using the position to rotor (Rotor), and use
The electric rotating machine of the engine (Motor) of the sensor or generator etc..
The application is claimed priority based on Patent 2013-064700 of on the March 26th, 2013 in Japanese publication, and at this
In quote its content.
Background technology
The electric rotating machine of the starter-generator of vehicle etc. is provided with the Hall (Hall) detected to the rotation position of rotor
IC etc. detection sensor, it is configured to based on the detection signal detected by the position-detection sensor so as to three-phase coil
(Coil) commutation time point (Timing) etc. is controlled.
The detecting element of Hall IC for the position-detection sensor of such a electric rotating machine etc. is housed in circuit substrate
In sensor outer housing (Case), the sensor outer housing is arranged on the fixed part side of electric rotating machine.
The electric rotating machine of starter-generator as vehicle etc., it is known that one kind is used to change U, the coil of V, W three-phase
Three driving sensor elements that stream time point is detected, and detected for the ignition timing to engine (Engine)
Ignition timing amount to the sensor outer housing that four sensor elements are housed in circuit substrate and resin-made with sensor element
Interior electric rotating machine (for example, referring to patent document one).
With rotor (Rotor) to stator core (Stator Core) peripheral part in, four sensor elements
It is arranged on and is arranged on one by one in multiple stator tooth (Teeth) in the stator core.Therefore, four foots are highlighted to be formed
In sensor outer housing, four sensor elements are inserted four foots so as to be kept one by one.
The sensor element kept by each foot, which has to what the root side of foot extended, draws (Lead) line, passes through welding
It is connected with being arranged to be located in the sensor with the circuit substrate in the face of the projected direction orthogonal of foot.
Look-ahead technique document Prior Art
Patent document
【Patent document one】Japanese Unexamined Patent Publication 2011-91964 publications
The content of the invention
However, above-mentioned from preceding technology, three driving sensor elements and ignition timing sensor member
Part is amounted to four sensor elements and is configured as being separated with interval in the circumferential direction in the peripheral part of stator core.Therefore, connect
Have four sensor elements circuit substrate and by these collecting sensor in the circumferential direction of stator core it is elongated.
The present invention provides a kind of sensor that can minimize position-detection sensor and the rotation using the sensor
Rotating motor.
According to the first pattern of the present invention, the sensor that the change to the magnetic flux of the magnet (Magnet) of rotation is detected
Including：Sensor outer housing main body；It is separated and sets along the direction of rotation of the magnet, respectively from the sensor outer housing main body
Along the direction of the direction of rotation orthogonal with the magnet and with the magnet to first~threeth foot prominent to ground；It is right
The first~the 4th Hall IC that the change of magnetic flux is detected, the first and second magnetic flux that the magnetic flux for making the magnet is passed through
It is set in first foot by portion and is arranged along the bearing of trend of first foot, the magnetic flux for making the magnet is led to
The 3rd magnetic flux crossed is set in second foot by portion.The 4th magnetic flux for passing through the magnetic flux of the magnet passes through portion's quilt
It is set in the 3rd foot.First Hall IC is detected to first magnetic flux by the flux change in portion.It is described
Second Hall IC is detected to second magnetic flux by the flux change in portion.3rd Hall IC is to the 3rd magnetic flux
Detected by the flux change in portion.4th Hall IC is examined to the 4th magnetic flux by the flux change in portion
Survey.
According to the present invention the second pattern, in first foot, first Hall IC be housed in it is described
While first magnetic flux is by the corresponding position in portion, second Hall IC is housed in passes through portion with second magnetic flux
On corresponding position, the 3rd Hall IC is housed in relative by portion with the 3rd magnetic flux in second foot
On the position answered, the 4th Hall IC is housed in corresponding by portion with the 4th magnetic flux in the 3rd foot
Also may be used on position.
By such structure, possess four Hall ICs, but foot can be set to three, just can shorten sensor
Length in circumferential direction (foot is arranged as the direction of arc-shaped).Therefore, sensor miniaturization can just be made.
According to the present invention the 3rd pattern, the first~the 4th Hall IC have lead also can, the described first~the described 4th
Hall IC, which is installed on the substrate being respectively inserted in the described first~the 3rd foot, also may be used.
By such structure, by the way that Hall IC to be used as to the so-called chip Hall IC being installed on substrate, Hall
IC does not possess lead, just can seek to minimize.In addition, by the way that Hall IC is arranged on substrate, not only can be by substrate phase
Position, and Hall IC can be configured with high accuracy for foot.
According to the 4th pattern of the present invention, the substrate along described first~direction of the 3rd foot side by side set
Put and also may be used.
By such structure, by by substrate configuration on three foots direction (circumferential direction of sensor) side by side,
The situation in the radial direction upper substrate engaged position of sensor can be suppressed.
According to the 5th pattern of the present invention, first Hall IC and second Hall IC are in substrate described in identical
On, it is set along the projected direction of first foot and also may be used.
By such structure, in the assembling stage of sensor, it is not necessary to the first Hall IC and the second Hall IC
Position relationship is adjusted, and will not produce assembly error etc..In addition, can make by the first Hall IC output detection waveform and
Detection waveform by the output of the second Hall IC is synchronous.
According to the 6th pattern of the present invention, the sensor is the position-detection sensor of starter-generator, in the biography
In sensor, the ignition timing that first Hall IC is used for engine detects.Described second~the 4th Hall IC
Commutation time point for the coil to the starter-generator detects.Described second~the 4th Hall IC is configured
On same line.On the other hand, first Hall IC is configured in from being configured with described second~line of the 4th Hall
On the position staggered.The magnet with first Hall IC to local pole arrangement and with described second~it is described
4th Hall IC to local pole arrangement some is different.
According to the 7th pattern of the present invention, the substrate has the insertion being inserted into the described first~the 3rd foot
Portion, the protrusion from the described first~the 3rd foot, and leaded wire connections are connected, form the first~the 3rd pin
Portion, and be inserted into the sensor stand of the insertion section of the substrate and connect the prominent lead from the insertion section
The sensor outer housing main body that socket part is surrounded also may be used using different materials.
By such structure, in the assembling of sensor, the insertion section of substrate is being inserted into the pin of sensor stand
After in portion, lead is connected with the wire connections of substrate prominent from foot, afterwards, can will surround wire connections
Sensor outer housing main body is arranged on sensor stand.By so, when lead is connected with wire connections, around it
The sensor outer housing main body of encirclement is not mounted, therefore can be readily carried out the connection operation of lead.
According to the 8th pattern of the present invention, each substrate is connected by wire jumper.
By so, circuit substrate group being attached in the foot of sensor stand constantly, wire jumper bending.Therefore, it is not right
Each substrate applies stress, each substrate can be configured into arc-shaped along each stator teeth.
According to the 9th pattern of the present invention, electric rotating machine includes：There are multiple stators for being wound with coil in the circumferential direction
The stator of teeth portion；The outer circumferential side of the stator is configured in, is separated magnet with interval in the circumferential direction in inner peripheral surface multiple
Rotor；The peripheral part of the stator is configured in, and any one being recorded in the first pattern to the 8th pattern of the present invention
Sensor in pattern.
By so, possessing four Hall ICs, but foot can be set to three and seek miniaturization so as to realize to have
The electric rotating machine of sensor.
【Invention effect】
According to the sensor and electric rotating machine, possess four Hall ICs, but foot can be set to three.Pass through this
Sample, it just can shorten the length in the circumferential direction (foot is arranged as the direction of arc-shaped) of sensor.Therefore, sensing can just be made
Device minimizes.
【Simple brief description of the drawings】
【Fig. 1】It is the oblique view of the electric rotating machine of one embodiment of the present invention.
【Fig. 2】It is the sectional view of the electric rotating machine of one embodiment of the present invention.
【Fig. 3 A】It is the oblique view for the stator for showing the electric rotating machine for forming one embodiment of the present invention.
【Fig. 3 B】It is the oblique view for the stator for showing the electric rotating machine for forming one embodiment of the present invention.
【Fig. 4】It is the expanded view of the inner circumferential side of the rotor of one embodiment of the present invention.
【Fig. 5】It is the detection shape of each sensor element for the position-detection sensor for showing one embodiment of the present invention
State, and the timing diagram (Timing Chart) of the output waveform of U, V, W each phase.
【Fig. 6】It is the oblique view of the stator of the position-detection sensor comprising one embodiment of the present invention.
【Fig. 7】It is the plan of the stator of the position-detection sensor comprising one embodiment of the present invention.
【Fig. 8】It is the strabismus for showing the installment state of the position-detection sensor of one embodiment of the present invention on stator
Figure.
【Fig. 9】It is the oblique view of the position-detection sensor of one embodiment of the present invention.
【Figure 10】It is the oblique view of the main body of the sensor outer housing of one embodiment of the present invention.
【Figure 11】It is the oblique view for the sensor stand (Holder) for showing one embodiment of the present invention.
【Figure 12】It is the strabismus expansion of the assembled state of the sensor stand and substrate that show one embodiment of the present invention
Figure.
Invention embodiment
Hereinafter, to sensor of the present invention, and the electric rotating machine of the sensor will be used with reference to Figure of description
Embodiment illustrate.However, the present invention is not only defined to this embodiment.
(electric rotating machine)
Hereinafter, will be illustrated based on implementation aspect of the accompanying drawing to the present invention.
Display is used as the electric rotating machine 1 of the starter-generator of mobile engine (Engine) in Fig. 1, Fig. 2
Embodiment.The electric rotating machine 1 is three-phase brushless (Brushless) type electric rotating machine.Electric rotating machine 1 includes：It is fixed on hair
The stator 2 of motivation group (Engine Block) (not shown), the bent axle (Crank Shaft) for being fixed on engine (are not made
Diagram) rotor 4, and the position-detection sensor 6 detected to the rotation position of rotor 4.
The component parts of stator 2 is shown in Fig. 3 A, Fig. 3 B.Such as Fig. 3 A, shown in Fig. 3 B, stator 2 includes：By electromagnetic steel plate
The stator core 2A that lamination forms, the multiple coils 10 being wound onto on stator core 2A.Stator core 2A, which has, to be formed
Circular main part 2a, and from main part 2a periphery towards radial direction radial multiple stator tooths protruding outside
Portion 2b.It is provided with each stator teeth 2b leading section and protrudes the calvus 3 in substantially T-shaped in circumferencial direction both sides.
As shown in Figure 3A, insulator (Insulator) 110 is installed on stator core 2A outer surfaces by each stator tooth
Portion 2b neighboring area.Insulator 110 is by divided two insulator members about in half in the axial direction
110A, 110B are formed.Such as Fig. 3 A, shown in Fig. 3 B, stator 2 includes：Be molded (Mold) shaping on insulator member 110A
Coil terminal for connecting 120.
As shown in Figure 3 B, in each stator teeth 2b neighboring area, above-mentioned coil 10 is rolled up via insulator 110
Around.
As shown in Fig. 2 rotor 4 includes：The rotor yoke (Rotor Yoke) 12 for the bottomed cylindrical being made up of magnetic material,
Coaxially it is fixed on the bottom wall 12a of the rotor yoke 12 axle sleeve (Boss) portion 14.The bent axle of engine is combined with shaft sleeve part 14
For that can rotate integrally.
Fig. 4 is shown the figure of the inner circumferential side expansion of rotor 4.
As shown in figure 4, in the inner peripheral surface of rotor 4, multiple magnet 16 are circumferentially installed at equal intervals.This is each
Magnet 16 is formed to grow rectangular-shaped on the axial direction of rotor 4.Remove the court of other whole magnet 16 outside one
To the side at the center of rotor 4 face (medial surface) by N poles and S extremely in any one-level magnetization.In addition, including a magnet 16c
Side is provided with medial surface by the extremely magnetized billets of S by a side (side in strip direction) in the extremely magnetized main magnetic portions 162 of N
Secondary magnetic pole portion 160.
Here, in Fig. 4, when using medial surface whole region by the extremely magnetized magnet 16 of N as magnet 16a, medial surface is whole
Individual region is used as magnet 16b by S extremely magnetized magnet 16, using the magnet 16 with main pole portion 162 and secondary magnetic pole portion 160 as
During 16c, in the rotor 4, magnet 16c is configured between adjacent specific one group of magnet 16a, 16a, it is adjacent in others
Magnet 16a, 16a between be configured with magnet 16b.
Therefore, beyond the side (upper end side in Fig. 4) of the inner circumferential side of rotor 4 in the axial direction, N poles replace with S poles
It is existing.The secondary magnetic pole portion 160 of a side in the axial direction, only magnet 16c and before and after it (circumferencial direction front and rear) magnetic
Continuously there are N poles in iron.
Shown in being described in detail as after, the region of a side of the axial direction of magnet 16 is being used as igniting to engine just
The target (Target) of Shi Jinhang detections.The remaining region of the axial direction of magnet 16 is mainly used as changing to coil 10
The target that stream time point is detected.
The coil 10 being wound onto on stator core 2A stator teeth 2b with it is not shown in the figure being extracted from stator 2
Control device is connected.Control device by carrying out supply electric current to coil 10 at specified time point when engine starts,
Rotate rotor 4 and bent axle.In addition, after the starting of engine, with the rotation of rotor 4 by generation power to being display in figure
Battery (Battery) charged, or for directly use.
In addition, as shown in figure 1, lead 100b is connected with coil 10.Multiple lead 100b are by protection pipe (Tube) 102b
Tie up, around coated by protection pipe 102.In addition, as shown in figure 1, it is extracted from sensor outer housing described later (Sensor Case)
Lead 100b tied up by protection pipe 102a, around coated by protection pipe 102.
The shape of each stator teeth 2b calvus 3 is not solid shape, such as Fig. 3 A, shown in Fig. 3 B, is determined in a part of
In sub- teeth portion 2b calvus 3, notch part 7 is provided with from a side of axial direction towards axial direction center side.Specifically, lack
Oral area 7 is formed across two adjacent in a circumferential direction calvus 3 so as to form the embeded slot of generally rectangular shaped shape.Fixed
In sub- tooth 2, continuously being configured for a pair in a circumferential direction at totally three for the notch part 7 of the embeded slot is formed.
Hereinafter, in order to the four stator teeth 2b and other stator teeth 2b of notch part 7 will be formed with calvus 3
Difference, is called specific stator teeth 2B.A pair of each notch part 7 in adjacent specific stator teeth 2B is formed on
In, the sensor of aftermentioned position-detection sensor 6 keeps using foot (the first foot) 80a, foot (the second foot) 80b, foot
(the 3rd foot) 80c (reference picture 2) is inserted into setting.
(position-detection sensor)
As shown in Fig. 2 in the foot 80a of position-detection sensor 6,80b, 80c, house be configured with the first, the respectively
Two, the 3rd, the 4th Hall IC (sensor element) 50a, 50b, 50c, 50d.The Hall IC 50a, 50b, 50c, 50d and rotor 4
Inner peripheral surface to being detected to so as to the switching to the magnetic flux of magnet 16.
That is, the place for housing the first Hall IC 50a for being configured with foot 80a is set to make the magnetic flux of magnet 16 by the
One magnetic flux passes through portion 180a.The place for housing the second Hall IC 50b for being configured with foot 80b is set to the magnetic flux for making magnet 16
Portion 180b is passed through by the second magnetic flux.The place for housing the 3rd Hall IC 50c for being configured with foot 80c is set to make magnet 16
Magnetic flux portion 180c is passed through by the 3rd magnetic flux.The place for housing the 4th Hall IC 50d for being configured with foot 80d is set to make
The magnetic flux of magnet 16 passes through portion 180d by the 4th magnetic flux.
Be configured in foot 80a, in the Hall IC 50a, 50b, 50c, 50d in 80b, 80c, the first Hall IC 50a with
The second, the three, the 4th Hall IC 50b, 50c, the height difference that 50d is set.That is, the first Hall IC 50a is arranged on and rotor 4
Inner peripheral surface axial direction a side to position M1.The second, the three, the 4th Hall IC 50b, 50c, 50d are set
The inner peripheral surface with rotor 4 axial direction center side to position M2.
In other words, the second, the three, the 4th Hall IC 50b, 50c, 50d are configured in same on the direction of rotation of rotor 4
On line.On the other hand, the first Hall IC 50a is configured in from being configured with the second, the three, the 4th Hall IC 50b, 50c, 50d's
The position staggered on line.In addition, the first Hall IC 50a and the second Hall IC 50b are configured in the direction of rotation mutually with rotor 4
The direction of orthogonal, i.e. be located axially on same line (detailed content is aftermentioned).
By so, the first Hall IC 50a with by the height in magnet 16c secondary magnetic pole portion 160 to magnet 16a, 16b,
The switching of 16c magnetic flux is detected.The second, the three, the 4th Hall IC 50b, 50c, 50d is to pass through magnet 16c secondary magnetic pole
The height in portion 162 is detected to magnet 16a, the switching of 16b, 16c magnetic flux.
The second, the three, the 4th Hall IC 50b, 50c, the signal that 50d will detect in the position M2 of the center side of rotor 4
Rotating position signal as rotor 4 is output to control device.On the other hand, the first Hall IC 50a is by the axial direction side of rotor 4
To the signals that detect of position M1 of a side filled as the absolute location information signal output on the circumference of rotor 4 to control
Put.
In control device, receive the second, the three, the 4th Hall IC 50b, 50c, 50d output signal, control for
While the commutation time point of three-phase coil 10, the second, the three is received, the 4th Hall IC 50b, 50c, 50d output signal is right
The ignition timing of engine and fuel injection time point are controlled.
Fig. 5 is the signal that will be generated according to each Hall IC 50a, 50b, 50c, 50d output by control device, and
By U, the voltage waveform that the coil 10 of V, W each phase exports merges the timing diagram recorded.
In addition, in Figure 5, S2, S3, S4 are shown corresponding to the second, the three, the 4th Hall IC 50b, 50c, 50d output
The pulse signal generated.S1 shows the pulse signal generated corresponding to the first Hall IC 50a output.In addition, Sv, Sw,
Su shows V phases, W phases, each output voltage waveforms of U phases.
In addition, the output (S1) that T1 is the first Hall IC 50a in Fig. 5 keeps high (High) state and the second Hall IC 50b
Output (S2) time point of low (Low) is switched to from height.T2 be the first Hall IC 50a output (S1) keep high state and
Second Hall IC 50b output (S2) is switched to high time point from low.T3 is the first Hall after elapsed time point T1
IC50a output (S1) keeps high state and the 4th Hall IC 50d output (S4) to be switched to high time point from low.Controlling
In device processed, time point T1, T2, T3 can be sought by signal S1, S2, S3, S4 change.
Here, the first Hall IC 50a and the second Hall IC 50b are configured to be located axially on same line.Therefore,
In addition to magnet 16c secondary magnetic pole portion 16 is by the situation before the first Hall IC 50a, the first Hall IC 50a output
Waveform (S1) and the second Hall IC 50b output waveform (S2) are same waveform.
Based on such structure, for example, as shown in figure 5, control device corresponds to signal S2, S3, S4 to U phases, V phases, W phases
The commutation time point of each coil 10 be controlled, by signal S2, S3, S4 and signal S1 seek time point T3, and at this
Igniting of the time point T3 to engine is controlled.
In Fig. 6~Fig. 8, stator 2 of the display with position-detection sensor 6.Fig. 9 display locations detection sensor 6.
Position-detection sensor 6 is configured to：The first, the second, the is housed in the inside of the sensor outer housing 60 of resin-made
Three, the 4th Hall IC 50a, 50b and are provided with each Hall IC 50a, 50b, 50c at 50c, 50d, 50d circuit substrate 55A,
55B, 55C, the sensor outer housing by stator 2 and cluster engine with being connected.In addition, in the following description, pacify in stator 2
In the state of position-detection sensor 6 (sensor outer housing 60), by the radial direction side of the stator 2 in position-detection sensor 6
To radial direction is only called, the axial direction of stator 2 is only called axial direction and illustrated.
Sensor outer housing 60 includes：Each Hall IC 50a, 50b, 50c will be installed, 50d circuit substrate 55A,
The sensor stand 70 that 55B, 55C are housed；It is inserted into the sensing for the sensor stand 70 for containing circuit substrate 55A, 55B, 55C
Device housing main body 20.
Figure 10 is the oblique view of sensor outer housing main body 20.
As shown in Figure 10, the circular shape of periphery edge of the sensor outer housing main body 20 along stator 2 has the week of tubular
Wall 23.In other words, direction of rotation of the sensor outer housing main body 20 along rotor 4 is formed substantially to be in fan-shaped, has tubular
Perisporium 23.
Perisporium 23 is by forming the periphery wall portion 23a of the arc-shaped edges in the outside of fan shape, and forms the inner side of fan shape
Arc-shaped edges inner circumferential wall portion 23b, and be formed in fan shape radial direction extension both sides side side of sidewall portion 23c,
23d is formed.In the inner peripheral surface of perisporium 23, the convex portion 21 protruded on the inner circumferential side is in the circumferential direction of perisporium 23 by continuous shape
Into.
The sheet tongue piece portion 64 for having heavy wall is extended on the periphery wall portion 23a of sensor outer housing main body 20.The sheet
Tongue piece portion 64 is connected by not shown support in figure with cluster engine.Further, in the inner circumferential wall portion 23b of sensor 20
Center, radially the distribution guiding 68 of extension is integrally formed on the inside of direction.Distribution guiding 68 is used to make from sensor outer housing
The 20 multiple conducting wires 100a set being extracted are so as to the component extracted out to side.
In nearby being protected formed with the bracket for linking bracket 62 for installing for the both ends in interior surrounding wall portion 23b circular arc direction
Hold portion 22,22.
Such as Fig. 6, shown in 7, linking bracket 62 makes periphery side end 62a be fastened with the bracket maintaining part 22 so that periphery
Side end 62a polymerize with stator core 2A main part 2a side, is combined by support 62c with stator 2.
In addition, such as Fig. 9, shown in Figure 10, it is provided with and is used for the perisporium from sensor outer housing main body 20 in interior surrounding wall portion 23b
Multiple slits (Slit) 25 that each lead 100a that 23 inner side is extracted is supported.In each slit 25, lead 100a
Engaged one by one.
In addition, in bracket maintaining part 22, the lead 100a for being extracted to outside by slit 25 from perisporium 23 is carried out
The claw 24 of support and be formed as with slit 25 reversely (with stator 2 to side) opening.
Figure 11, Figure 12 are shown the figure of the structure of circuit substrate 55A, 55B, the 55C sensor stand 70 housed.
Such as Figure 11, shown in 12, sensor stand 70 is formed with baseplate part 71, and setting is highlighted from the baseplate part 71
Foot 80a, 80b, 80c.
Baseplate part 71 is substantially in fan-shaped, has the shape of the inside for the perisporium 23 that may be inserted into sensor outer housing main body 20
Shape size.
Foot 80a, 80b, 80c in the baseplate part 71 from the face of the side towards stator 2 away from circular arc direction so as to court
To the side of stator 2, i.e. be axially highlighted setting.As illustrated as the former, foot 80a, 80b, 80c are inserted into configuration and existed
Between a pair of the specific stator teeth 2B of stator 2 notch part 7.
On the other hand, in sensor stand 70, in the split shed of baseplate part 71, and in each foot 80a, 80b's, 80c is interior
Three substrate patchholes 73 that side is continuously set.Circuit substrate 55A, 55B, 55C be inserted into from the opening of the side of baseplate part 71 or
Person is pressed into each foot 80a, in 80b, 80c substrate patchhole 73.
Circuit substrate 55A, 55B, 55C are the insertion sections 56 by being inserted into or being pressed into substrate patchhole 73, and
In the state of insertion section 56 is inserted into patchhole 73, the opposite side from baseplate part 71 to substrate patchhole 73 is prominent, and by
Be formed as wire connections 57 more broader than the wide cut of baseplate part 71 formed substantially in T-shaped and form.
The first, the second, the three, the 4th Hall IC 50a, 50b, 50c, 50d are to be surface mounted in circuit substrate 55A,
So-called chip (Chip) Hall IC on 55B, 55C.In circuit substrate 55A insertion section, the first Hall IC 50a and second
Hall IC 50b is mounted side by side in the state of substrate patchhole 73 is inserted along the axial direction of stator 2.
Here, the first Hall IC 50a be arranged on a side of the axial direction of the inner peripheral surface of rotor 4 to position
M1.Second Hall IC 50b be arranged on the center side of the axial direction of the inner peripheral surface of rotor 4 to position M2.In addition,
The 3rd Hall IC 50c is installed in circuit substrate 55B insertion section 56.In addition, installed in circuit substrate 55B insertion section 56
There is the 4th Hall IC 50d.3rd, the 4th Hall 50c, 50d are arranged on the center with the axial direction of the inner peripheral surface of rotor 4
Side to position M2.
Through hole 58,58 is formed respectively in circuit substrate 55A, 55B, 55C wire connections 57.Each lead 100a's
End is connected after being inserted into by scolding tin with the through hole 58,58.
In being assembled to such position-detection sensor 6, first, the first, the second, the will be mounted with advance
Three, difference is inserted or are pressed into the 4th Hall IC 50a, 50b, 50c, 50d circuit substrate 55A, 55B, 55C insertion section 56
Form the foot 80a by sensor stand 70,80b, 80c substrate patchhole 73.In this condition, circuit substrate 55A, 55B,
55C wire connections 57 protrude since baseplate part 71.
Then, by lead 100a, 100a is inserted into the through hole 58,58 of wire connections 57, is attached by scolding tin.
Then, the sensor stand 70 that will be integrated with circuit substrate 55A, 55B, 55C inserts from foot 80a, 80b, 80c sides
Into the perisporium 23 of sensor outer housing main body 20, baseplate part 71 is abutted with the convex portion 21 for the inner peripheral surface for being formed on perisporium 23.
By the way that so, baseplate part 71 is embedded in perisporium 23, sensor stand 70 is integrated with sensor outer housing main body 20.
Then, each circuit substrate 55A will be connected, 55B, 55C more lead 100a pass through slit 25 to export
To the outside of perisporium 23, keep distribution guiding 68 via claw 24.
Such as Figure 11, shown in 12, circuit substrate 55A, 55B, 55C are connected by wire jumper 90 respectively.
Therefore, by circuit substrate 55A, foot 80a, the 80b of 55B, 55C each substrate mounting to sensor stand 70,
During 80c, wire jumper 90 is bent.Therefore, stress is not applied to circuit substrate 55A, 55B, 55C each substrate, can be by circuit substrate
55A, 55B, 55C are configured to arc-shaped along each stator teeth 2b.
Afterwards, filler 150 (reference picture 1) is filled in the inside of perisporium 23.By so, the He of filler 150
Foot 80a, 80b, 80c each substrate patchhole 73 are filled in the inner space of perisporium 23, are kept intact by specify
Time is placed so as to harden.
(effect)
Therefore, according to above-mentioned embodiment, by the way that position-detection sensor 6 is configured to the first, the second, the respectively
Three, the 4th Hall IC 50a, 50b, 50c, 50d are housed in three foot 80a of sensor stand 70, in 80b, 80c, can subtract
Length in the circumferential direction of small position-detection sensor 6.
Further, since not being conventional four but including three foots 80a, 80b, 80c, formed in each stator teeth 2b
The notch part 7 of calvus 3 can be few.By so, due to magnet 16 to stator surface area increase, stator 2
Total magnetic flux increase, its magnetism characteristic improve.
In addition, the first, the second, the three, the 4th Hall IC 50a, 50b, 50c, 50d, which are installed in, is respectively inserted foot
On 80a, 80b, 80c circuit substrate 55A, 55B, 55C.
So, by the way that the first, the second, the three, the 4th Hall IC 50a, 50b, 50c, 50d to be used as and be installed in circuit base
So-called chip Hall IC on plate 55A, 55B, 55C, does not possess lead, just can seek to minimize.
In addition, by installing the first, the second, the three, the 4th Hall IC 50a, 50b on circuit substrate 55A, 55B, 55C,
50c, 50d, only by the way that by circuit substrate 55A, relative to foot 80a, 80b, 80c press-in are positioned just can be right by 55B, 55C
Position-detection sensor 6 is assembled.Therefore, it is possible to high accuracy to the first, the second, the three, the 4th Hall IC 50a, 50b,
50c, 50d are configured.
In addition, circuit substrate 55A, 55B, 55C foot 80a, 80b, 80c are configured along direction side by side, and relative to
The bottom surface of sensor is straightened setting.Therefore, it is possible to prevent circuit substrate 55A, 55B, 55C area occupied in radial directions.
In addition, the first, the second Hall IC 50a, 50b be on identical circuit substrate 55A, along foot 80a projected direction
It is configured on coaxial.Therefore, need not be to the first Hall IC 50a and second in the assembling stage of position-detection sensor 6
Hall IC 50b position relationship is adjusted, and will not produce assembly error etc..In addition, it can make defeated by the first Hall IC 50a
The detection waveform gone out and the detection waveform synchronization by the second Hall IC 50b outputs.
(other embodiments)
In addition, the present invention is not only defined to the above-mentioned embodiment being described with reference to the accompanying drawings, it is also contemplated that at this
Various modifications example in technical scope.
For example, by circuit substrate 55A, 55B, 55C are respectively set as being in substantially T-shaped, but be not limited only to this, can also set
It is set to only rectangular shape etc., other shapes.
In addition, in the present embodiment, using be substantially in T-shaped substrate as circuit substrate, but be not limited only to this, adopt
Also may be used by the use of flexible (flexible) substrate as one piece of circuit substrate.
In addition, without departing from the purport of the present invention, the structure enumerated in above-mentioned embodiment can be taken
House selection, or other structures are suitably changed.
It is respectively set as example, each Hall IC 50a~50d of the configuration in foot 80a, 80b, 80c will be received respectively
Make the magnetic flux that the magnetic flux of magnet 16 passes through by portion 180a~180b, but be configured to except magnetic flux by portion 180a~180b it
Outer place, Hall IC 50a~50d is respectively configured, and portion is passed through to each corresponding magnetic flux by Hall IC 50a~50d
180a~180b flux change, which is detected, also may be used.
【Utilization possibility in industry】
According to the sensor and electric rotating machine, possess four Hall ICs, but foot can be set to three.Pass through this
Sample, it just can shorten the length in the circumferential direction (foot is arranged as the direction of arc-shaped) of sensor.Therefore, sensing can just be made
Device minimizes.
The one kind using form of engine or generator as the sensor may be enumerated.That is, the sensor energy
Enough it is applied to engine or generator.
Symbol description
1 electric rotating machine
2 stators
2A stator cores
The specific stator teeths of 2B
2a main parts
2b stator teeths
3 calvus
4 rotors
6 position-detection sensors
10 coils
12 rotor yokes
14 shaft sleeve parts
16 magnet
20 sensor main bodies
21 convex portions
22 bracket maintaining parts
23 perisporiums
24 claws
25 slits
The Hall ICs of 50a first
The Hall ICs of 50b second
The Hall ICs of 50c the 3rd
The Hall ICs of 50d the 4th
55A, 55B, 55C circuit substrate
56 insertion sections
57 wire connections
58 through holes
60 sensor outer housings
62 link bracket
64 tongue piece portions
68 distributions guide
70 sensor stands
71 baseplate parts
73 substrate patchholes
80a foots (the first foot)
80b foots (the second foot)
80c foots (the 3rd foot)
90 wire jumpers
100a leads
110 insulators
150 fillers
160 secondary magnetic pole portions
162 main pole portions
The magnetic fluxs of 180a first pass through portion
The magnetic fluxs of 180b second pass through portion
The magnetic fluxs of 180c the 3rd pass through portion
The magnetic fluxs of 180d the 4th pass through portion
Claims (7)
1. the sensor that a kind of change of the magnetic flux of magnet to rotation is detected, it is characterised in that including：
Sensor outer housing main body；
Along the magnet direction of rotation be separated set, respectively from the sensor outer housing main body along with the magnet
The direction of direction of rotation orthogonal and with the magnet to first~threeth foot prominent to ground；
The first~the 4th Hall IC that change to magnetic flux is detected,
Wherein, the first and second magnetic flux magnetic flux for making the magnet passed through is set in edge in first foot by portion
The bearing of trend arrangement of first foot,
The 3rd magnetic flux that the magnetic flux for making the magnet is passed through is set in second foot by portion,
The 4th magnetic flux that the magnetic flux for making the magnet is passed through is set in the 3rd foot by portion,
Described first~the 4th Hall IC, which is separately mounted on, to be inserted into the described first~the 3rd foot and along described
In the circuit substrate that the orientation of first~the 3rd foot is set,
In first foot, it is housed in first Hall IC and passes through the corresponding position in portion with first magnetic flux
While upper, second Hall IC is housed in second magnetic flux by the way that on the corresponding position in portion, described first suddenly
Your IC and second Hall IC with being located on the direction of the direction of rotation orthogonal of the magnet on same line,
3rd Hall IC is housed in the 3rd magnetic flux in second foot by the corresponding position in portion,
4th Hall IC is housed in the 4th magnetic flux in the 3rd foot by the corresponding position in portion,
First Hall IC is detected to first magnetic flux by the flux change in portion,
Second Hall IC is detected to second magnetic flux by the flux change in portion,
3rd Hall IC is detected to the 3rd magnetic flux by the flux change in portion,
4th Hall IC is detected to the 4th magnetic flux by the flux change in portion.
2. sensor according to claim 1, it is characterised in that also include：
Baseplate part,
Wherein, the described first~the 3rd foot is axially highlighted setting from the baseplate part.
3. sensor according to claim 1 or 2, it is characterised in that：
Wherein, first Hall IC and second Hall IC are described in identical in circuit substrate, along first pin
The projected direction in portion is set.
4. sensor according to claim 1 or 2, it is characterised in that：
Wherein, the sensor is the position-detection sensor of starter-generator, and the rotor of the starter-generator is fixed on
On the bent axle of engine, the magnet of the rotation is arranged on the inner peripheral surface of the rotor,
The ignition timing that first Hall IC is used for engine detects,
Described second~the 4th Hall IC is used to detect the commutation time point of the coil of the starter-generator,
Described second~the 4th Hall IC is configured on same line, and on the other hand, first Hall IC is configured in
From be configured with described second~line of the 4th Hall on the position staggered,
The magnet with first Hall IC to local pole arrangement and with described second~the 4th Hall
IC to local pole arrangement some is different.
5. sensor according to claim 1 or 2, it is characterised in that：
Wherein, the circuit substrate has：The insertion section being inserted into the described first~the 3rd foot；
The protrusion from the described first~the 3rd foot, and leaded wire connections are connected,
Form the described first~the 3rd foot, and be inserted into the insertion section of the circuit substrate sensor stand and will be from
Play the sensor outer housing main body that the prominent wire connections surround and use different materials in the insertion section.
6. sensor according to claim 1 or 2, it is characterised in that：
Wherein, each circuit substrate is connected by wire jumper.
7. a kind of electric rotating machine, the starter-generator as mobile engine, it is characterised in that including：
There is the stator of multiple stator teeths for being wound with coil in the circumferential direction；
The outer circumferential side of the stator is configured in, turning for spaced multiple magnet is circumferentially set on inner peripheral surface
Son；
The sensor of the peripheral part of the stator is configured in,
Wherein, the sensor is the sensor described in any one in claim 1~6.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-064700 | 2013-03-06 | ||
| JP2013064700 | 2013-03-26 | ||
| PCT/JP2014/057491 WO2014156865A1 (en) | 2013-03-26 | 2014-03-19 | Sensor and rotating electrical machine using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105191081A CN105191081A (en) | 2015-12-23 |
| CN105191081B true CN105191081B (en) | 2017-11-28 |
Family
ID=51623844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480016144.4A Active CN105191081B (en) | 2013-03-26 | 2014-03-19 | Sensor and the electric rotating machine using the sensor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5668182B1 (en) |
| CN (1) | CN105191081B (en) |
| BR (1) | BR112015023860B1 (en) |
| WO (1) | WO2014156865A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6419522B2 (en) * | 2014-10-14 | 2018-11-07 | 日立アプライアンス株式会社 | Permanent magnet rotating electric machine and washing machine |
| WO2017122670A1 (en) * | 2016-01-12 | 2017-07-20 | 株式会社ミツバ | Rotating electric machine |
| JP7202798B2 (en) * | 2018-07-11 | 2023-01-12 | 株式会社ミツバ | Drive device for three-phase rotating electric machine and three-phase rotating electric machine unit |
| CN110011483A (en) * | 2019-04-25 | 2019-07-12 | 温岭市九洲电机制造有限公司 | A kind of Hall board mount and the wheel hub electric motor of electric vehicle containing the bracket |
| JP7476068B2 (en) | 2020-09-23 | 2024-04-30 | 株式会社ミツバ | Rotating Electric Machine |
| JP7404207B2 (en) | 2020-09-23 | 2023-12-25 | 株式会社ミツバ | rotating electric machine |
| JP7404206B2 (en) | 2020-09-23 | 2023-12-25 | 株式会社ミツバ | rotating electric machine |
| JP2023036118A (en) * | 2021-09-02 | 2023-03-14 | カワサキモータース株式会社 | engine unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495406A (en) * | 2002-09-05 | 2004-05-12 | 本田技研工业株式会社 | Rotary detector |
| CN101126364A (en) * | 2000-04-03 | 2008-02-20 | 本田技研工业株式会社 | Starter generator |
| CN201197110Y (en) * | 2006-10-04 | 2009-02-18 | 艾默生电气公司 | Motor with rotor position transducer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3996351B2 (en) * | 2000-04-03 | 2007-10-24 | 本田技研工業株式会社 | Starter combined generator |
| JP2007252096A (en) * | 2006-03-16 | 2007-09-27 | Mitsuba Corp | Brushless motor |
| JP5501731B2 (en) * | 2009-10-23 | 2014-05-28 | 株式会社ミツバ | Sensor case and rotating electric machine using the same |
-
2014
- 2014-03-19 CN CN201480016144.4A patent/CN105191081B/en active Active
- 2014-03-19 BR BR112015023860-2A patent/BR112015023860B1/en active IP Right Grant
- 2014-03-19 JP JP2014537213A patent/JP5668182B1/en active Active
- 2014-03-19 WO PCT/JP2014/057491 patent/WO2014156865A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126364A (en) * | 2000-04-03 | 2008-02-20 | 本田技研工业株式会社 | Starter generator |
| CN1495406A (en) * | 2002-09-05 | 2004-05-12 | 本田技研工业株式会社 | Rotary detector |
| CN201197110Y (en) * | 2006-10-04 | 2009-02-18 | 艾默生电气公司 | Motor with rotor position transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105191081A (en) | 2015-12-23 |
| BR112015023860A2 (en) | 2017-07-18 |
| JPWO2014156865A1 (en) | 2017-02-16 |
| JP5668182B1 (en) | 2015-02-12 |
| WO2014156865A1 (en) | 2014-10-02 |
| BR112015023860B1 (en) | 2021-09-21 |
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