CN102444526B - Engine control device - Google Patents

Engine control device Download PDF

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Publication number
CN102444526B
CN102444526B CN201110302005.6A CN201110302005A CN102444526B CN 102444526 B CN102444526 B CN 102444526B CN 201110302005 A CN201110302005 A CN 201110302005A CN 102444526 B CN102444526 B CN 102444526B
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CN
China
Prior art keywords
housing
circuit substrate
engine controlling
controlling unit
ecu
Prior art date
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Expired - Fee Related
Application number
CN201110302005.6A
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Chinese (zh)
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CN102444526A (en
Inventor
武田裕一
竹中正彦
山本胜美
猪濑幸司
杉生大辅
竹田健一
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
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Publication of CN102444526A publication Critical patent/CN102444526A/en
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Publication of CN102444526B publication Critical patent/CN102444526B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

The present invention provides an engine control device. The invention provides an ECU with excellent water resistance and excellent vibration resistance. The ECU (30) comprises a circuit substrate (5) and a housing (18). The circuit substrate (5) is supported through a non-contact floating state relative to the housing (18). The supporting component is composed of elastic components (12) such as rubber and helical spring. The elastic components (12) are formed through projecting outwards from the side surface of the circuit substrate (5), and are supported by an inner wall surface of the housing (18). The housing (18) is provided with a wire harness passing-through hole (32). A sealing member (33) is provided between the wire harness passing-through hole (32) and the wire harness (29) which passes through the wire harness passing-through hole (32). The circuit substrate (5) is provided with an electrode (16) which is used for connecting outside of the wire harness (29). The surface of the circuit substrate is provided with a resin molded part besides the part which is provided with the electrode (16) and the part with the elastic component (12).

Description

Engine controlling unit
Technical field
The present invention relates to engine controlling unit, especially relate to the engine control electronic equipment that the water resistence and resistance to vibration that are provided with the circuit substrate of electronic unit can be improved simultaneously.
Background technique
Motor Vehicle or two-wheeled etc. in be equipped with engine controlling unit (hereinafter referred to as " ECU ") as the electronic equipment being used for controlling combustion engine (motor).ECU has circuit substrate, and this circuit substrate is provided with the circuit comprising electronic unit.The structure had as follows is proposed in patent documentation 1, namely, in the motor ignition mechanism repeatedly applying to use under the environment of high/low temperature, in order to prevent thermal expansion coefficient different because of circuit substrate and component and sealing resin and under the effect of the thermal stress produced at circuit substrate and component, the joining portion such as solder-joint parts or wire-bonded comes off or cracks, in the sealing resin that component is molded, be mixed into the resin fillers for relaxing stress.
[patent documentation 1] Japanese Unexamined Patent Publication 2002-235644 publication
But circuit substrate requires water resistence and resistance to vibration.According to the structure described in patent documentation 1, owing to utilizing sealing resin to cover circuit substrate, therefore take into account resistance to vibration and water resistence.But in structure in the past, because the amount of Embedding Material increases, therefore think that weight increases, cost also raises.And, sufficient consideration is not done for resistance to vibration.Especially in two-wheeled, compared with the four-wheel wagon such as passenger car, can be subjected to more harsh environmental conditions in the vibration of vehicle body, therefore water resistence is from needless to say, and resistance to vibration and cost aspect also have to take into full account.
Summary of the invention
The object of the present invention is to provide one to realize water resistence and resistance to vibration, and have can the ECU of structure of cost degradation simultaneously.
Be engine controlling unit for realizing the present invention of above-mentioned purpose, it comprises: it comprises circuit substrate and housing, this circuit substrate is provided with the outside electrode connected in the mode exposed on surface, and apply resin mold section whole except this electrode and be formed as roughly cuboid, this housing accommodates described circuit substrate, the fisrt feature of described engine controlling unit is, described circuit substrate is contained in described housing to have space relative to the non-contacting mode of described housing, and described engine controlling unit possesses the resilient member giving prominence to formation from the side of described circuit substrate towards foreign side, the end of described resilient member is supported by the internal face of described housing.
In addition, the second aspect of the present invention is, the end of described resilient member is embedded in the supporting recess formed at the internal face of described housing.
In addition, the third aspect of the present invention is, be formed with the wire harness passing hole formed inside and outside this housing through on the housing, be provided with Sealing in described wire harness passing hole and by this wire harness passing hole between the wire harness of distribution.
In addition, the fourth aspect of the present invention is, described electrode is the electrode connecting described wire harness, and the part except the part that is provided with described electrode and the part being formed with described resilient member in the surface of described circuit substrate is applied with described resin mold section.
In addition, the fifth aspect of the present invention is, at a sidepiece of described housing, outside connection Coupler is installed, and be provided with the wire of the Electrode connection be connected with the outside arranged at described circuit substrate from the prolongation of this Coupler.
In addition, the sixth aspect of the present invention is, described housing possesses housing body and is covered in the lid of housing body, and described resilient member is clamped by the involutory portion of described housing body and described lid.
In addition, the seventh aspect of the present invention is, described resilient member is column or tabular, and eighth feature is, described resilient member is made up of rubber or helical spring.
In addition, the ninth aspect of the present invention is, the housing of accommodating described circuit substrate is the ECU housing installed in the closure district of motor, and described circuit substrate is bearing in described housing with floating state by described resilient member.
In addition, the tenth aspect of the present invention is, described circuit substrate has described electrode respectively the first surface orthogonal with described end face and second, described engine controlling unit possesses protuberance, described protuberance engages with described housing, and is limited in the movement on the direction orthogonal with described end face relative to this housing.
In addition, of the present invention 11 is characterised in that, described engine controlling unit possesses ECU cover, this ECU covers the end face covering described housing, and have to case side extend rib, the wall section arranged on the housing and with chimeric described rib in the gap formed between the supporting member that this wall section extends abreast.
In addition, the of the present invention 12 is characterised in that, the position being applied with described resin mold section also removes described protuberance.
In addition, the of the present invention 13 is characterised in that, the ECU with above-mentioned first to the 12 feature is equipped on two-wheeled, and is applicable to this two-wheeled driving motor.
[invention effect]
According to the present invention with the first to the 13 feature, circuit substrate is molded, and is contained in housing, therefore realizes dual waterproof.And circuit substrate is supported on the internal face of housing by resilient member, therefore circuit board body is in the discontiguous floating state with housing.Therefore, the vibration applied externally to housing can not be directly passed to circuit substrate and be subtracted and decline, and the element therefore on substrate can not be applied in excessive stress, and improves durability.And owing to being difficult to circuit substrate transmitting vibrations, the degrees of freedom that therefore such as the large position of vibration also can configure the layout of ECU etc. near motor etc. increases.And, owing to being provided with space (air layer) between housing and circuit substrate, therefore can reducing outside air temperature directly on the impact that circuit substrate brings, can also heat resistance be improved.
According to the present invention with third feature, easy realizing circuit substrate and outside electrical connection, and can waterproofing effect be obtained by sealing simultaneously.According to the present invention with fifth feature, a kind of one-piece type ECU of Coupler that can be carried out circuit substrate and outside electrical connection by Coupler can be provided.
According to the present invention with sixth feature, under the state of lid opening housing, resilient member is held in housing body, and closes the lid from the upper side, thus via resilient member, circuit substrate can be supported on housing, therefore assembling operation improves.
According to the present invention with seventh feature, resilient member can be formed as simple shape and easily process.According to the present invention with eighth feature, the component that can be formed by the material both deposited by rubber or helical spring etc. supports circuit substrate.
According to the present invention with ninth feature, even if when circuit substrate being contained in the housing of the closure district installation of transmitting in the vibration from motor, also can be relaxed the transmission of vibration by resilient member, therefore can guarantee the resistance to vibration of circuit substrate.
According to the present invention with tenth feature, have on two sides in the circuit substrate of electrode, the degree of terminal phase mutual friction due to vibration of parts that can reduce electrode and abut with this electrode and be electrically connected, thus the wearability of electrode and terminal can be improved.
According to the present invention with the 11 feature, after ECU cover is installed on housing, make by rib the leeway that supporting member is not bending upward, therefore, it is possible to suppress circuit substrate and ECU to cover the degree that relative displacement occurs.Therefore, it is possible to the electrode preventing from being arranged at circuit substrate and the situation of relative position changing of the relative positions because of vibration of terminal be connected with outside, there is the situation of wearing and tearing with the mutual friction of terminal phase from electrode can be prevented.And because ECU cover becomes chimeric status with housing, therefore the intensity of housing also promotes.
According to the present invention with the 13 feature, can be applicable to vibrate than four-wheel wagon large two-wheeled, and guarantee water resistence and the resistance to vibration of ECU.
Accompanying drawing explanation
Fig. 1 is the stereogram of the circuit substrate representing the ECU that one embodiment of the present invention relates to.
Fig. 2 is the sectional view of the engagement portion representing protuberance and housing.
Fig. 3 is the stereogram of the circuit substrate representing the ECU that the second mode of execution of the present invention relates to.
Fig. 4 is the sectional view of the engagement portion representing protuberance and housing.
Fig. 5 is the sectional view of the ECU containing circuit substrate.
Fig. 6 is the stereogram of the ECU being connected with wire harness.
Fig. 7 is the sectional view of ECU.
Fig. 8 is the stereogram of the ECU that variation relates to.
Fig. 9 is the sectional view of the ECU that variation relates to.
Figure 10 represents the major component sectional view using helical spring as the circuit substrate of the example of protuberance.
Figure 11 be suitable for the throttle valve device being provided with the ECU that one embodiment of the present invention relates to two-wheeled 1 side view.
Figure 12 is the enlarged view of throttle valve device part.
Figure 13 is the major component sectional view of the throttle valve device with the ECU comprising circuit substrate.
Symbol description:
5 ... circuit substrate
12 ... protuberance
18 ... housing
14 ... throttler valve
16 ... electrode
22 ... the protuberance of tabular
28 ... molding section
29 ... wire harness
30…ECU
32 ... wire harness passing hole
33 ... Sealing
34 ... Coupler
181,182 ... supporting recess
Embodiment
Below, with reference to accompanying drawing, one embodiment of the present invention is described.Figure 11 is the side view of be suitable for by the throttle valve device being provided with the ECU that one embodiment of the present invention relates to two-wheeled 1.And Figure 12 is the enlarged view of the throttle valve device part of Figure 11.The head tube 2 supported by front fork 4 as turning to is installed in the front side end of main car frame 3.The main car frame 3 extended to the rear lower side the pairing left and right seat rail 17 that rearward end is provided with pivot plate 62, front end is welded in main car frame 3 and extends rearwardly and upwardly, will between the intermediate portion of seat rail 17 and pivot plate 20 link pairing left and right strengthened frame 21.
Be supported with front-wheel WF at the lower end axle of front fork 4, be linked with bar-shaped bogie car on the top of front fork 4 63.The front mudguard 6 covered above front-wheel WF is supported with at front fork 4.The motor E that cylinder-bore axis is slightly partial to the water-cooled list cylinder of front upper place is configured with in the below of main car frame 3.Motor E utilizes pivot plate 62 to support with the hanger plank 64 of the intermediate portion being arranged on main car frame 3.
The front end of swing arm 66 is supported as swinging up and down by the pivot 65 of pivot plate 62 through along overall width direction.The trailing wheel WR transmitting the output of motor E via chain 23 is supported as rotatable by the rear end axle of swing arm 66.Shock absorber 19 after being provided with between seat rail 17 and swing arm 66.Between pairing left and right seat rail 17, be equipped with fuel tank 67, be equipped with the seat 15 by opening open and close type in the vehicle front of fuel tank 67 and the containing box 68 that accesses can be carried out.The rear upper of trailing wheel WR is covered by rear mudguard 69.
Throttle valve device 10 is connected with via sucking pipe in the upper portion side wall of the cylinder head 11 of motor E.At throttle valve device 10, ECU described later is installed.Be provided with in the midway of sucking pipe towards the Fuelinjection nozzle 27 (with reference to Figure 12) of the intakeport burner oil of cylinder head 11.The upstream extremity of throttle valve device 10 is connected with air filter case 7.Outlet pipe 71 is drawn from the bottom of motor E.
Regulate the throttler valve of butterfly-type of the air quantity supplied to motor E to support as rotating by throttle valve device 10, the pulley 142 that configures of being connected with this throttler valve has been wrapping with closure wire 141.
At main car frame 3, the plastic body cover 13 that local to motor E, throttle valve device 10 and air filter case 7 cover is installed.The leg guard 8 of the leg covering passenger from front is equipped in the vehicle front of body cover 13.On body cover 13, the adjustment of throttle valve device 10 can be carried out and divide into the side after a while of putting at throttle valve device 10 in vehicle body side-looking from the opening portion 70 of the heat radiation of motor E.
Fig. 1 is the main body of ECU and the stereogram of ECU circuit substrate.Circuit substrate 5 is the roughly cuboids in face with surface 51 and the face (back side) of opposition side thereof, the face of horizontal side 52 and opposition side thereof, longitudinal side 53 and opposition side thereof.It should be noted that, circuit substrate 5 is made up of the resin mold section of the base main body of rectangular flat, the parts be arranged in base main body, covered substrate main body and parts, therefore to have some corresponding with the height of parts concavo-convex for external shape, but for convenience of explanation, be described as roughly cuboid.
Four faces except surface 51 and the back side in six surfaces of this circuit substrate 5 are erect respectively and is provided with columned protuberance 12.Protuberance 12 is made up of elastic material (normally rubber) and engages with circuit substrate 5.The surface of circuit substrate 5 is formed by resin molded except being provided with the part of protuberance 12.That is, circuit substrate 5 is by resin molded and possess water resistence.Circuit substrate 5 can have multiple electrodes 16 of rat tail on surface 51, wherein this wire harness is for carrying out the electrical connection of parts and the outside of installing in the base main body of circuit substrate 5.As described later, the front end of protuberance 12 is supported by the ECU housing (hreinafter referred to as " housing ") of accommodating circuit substrate 5.
Fig. 2 is the sectional view of the engagement portion representing protuberance 12 and housing 18.Housing 18 has supporting recess 181 in inner surface side, and the front end intercalation of protuberance 12 is in this supporting recess 181.
As long as protuberance 12 is formed by elastic material, also other shapes can be taked.Such as, may not be cylinder but polygon prism (such as, quadrangular), can also be tabular.
Fig. 3 is the stereogram that the variation of circuit substrate relates to, and the symbol identical with Fig. 1 represents identical or equal part.Circuit substrate 5 possesses the protuberance 22 of tabular on these four faces, face of face 52,53 and its opposition side.Protuberance 22 can be made up of the rubber of tabular and sheet.
Fig. 4 is the sectional view of the engagement portion representing protuberance 22 and housing 18.Housing 18 has in inner surface side and is suitable for the collecting end of protuberance 22 of tabular and the supporting recess 182 of the shape of edge.
Fig. 5 is by the sectional view of the ECU of circuit substrate collecting state in the housing.In Figure 5, the protuberance 22, ECU30 that circuit substrate 5 possesses tabular comprises housing body 183 and lid 184.Being provided with the stepped part 24 for accommodating protuberance 22 in housing body 183, being carried out the lower surface 22a of supporting projection 22 by this stepped part 24.Further, lid 184 is covered in housing body 183, and the upper surface 22b of protuberance 22 is by covering 184 coverings.Lid 184 and housing body 183 are such as bonded with each other by deposition.In this example embodiment, by covering 184 and form the supporting recess 182 of protuberance 22 in the stepped part 24 that housing body 183 is arranged.As shown in Figure 5, circuit substrate 5 is held in housing 18 with the state with gap except protuberance 22, thus does not contact with the internal surface of housing 18.That is, circuit substrate 5 has space (air layer) A and floating in housing 18.
Fig. 6 is the stereogram of the ECU being connected with wire harness, and Fig. 7 is the sectional view of the ECU shown in Fig. 6.In figure 6, housing 18 possesses the supporting member 25 for being installed to motor E by ECU30 on side 26 with the face of its opposition side.In the figure 7, resin mold section 28 is applied except the electrode 16 except outside connection on the surface of circuit substrate 5 and protuberance 22.Be connected with each wire or the signaling line of wire harness 29 at electrode 16, wire harness 29 is externally drawn by the wire harness passing hole 32 formed in the side 31 of housing 18.Be provided with the cylindrical member (safety cover) 33 be made up of rubber in wire harness passing hole 32, and form the waterproof seal between wire harness 31 and wire harness passing hole 32.In the example shown in Fig. 7, protuberance 22 is not arranged on the side of drawing wire harness 29.That is, circuit substrate 5 has space (air layer) A by the protuberance 22 at three positions and with floating state support in housing 18.
So, protuberance 12 and 22 is all arranged, as long as be arranged at least three sides without the need to four sides at circuit substrate 5.And, if the mode that the supporting recess 182 of the protuberance 22 of collecting tabular limits with the side locations of the protuberance 22 to tabular, be not namely subjected to displacement in its face with the protuberance 22 of tabular arranges size shape, then protuberance 22 is set in two opposed sides of circuit substrate 5.
Fig. 8 is the stereogram of the ECU that variation relates to, and Fig. 9 is the sectional view of the ECU shown in Fig. 8.In this example embodiment, not that wire harness is incorporated in housing 18, but Coupler 34 is set integratedly in the side of housing 18.Coupler 34 is either party in plug and socket, and the opposing party is connected with any one in the plug and socket forming another not shown Coupler.In fig .9, the multiple terminals (such as, plug terminal) 36 arranged at Coupler 34 are connected with electrode 16 respectively by wire 37.Circuit substrate 5 has space (air layer) A by the protuberance 22 at three positions and supports with floating state in housing 18.
In the present embodiment, show the rubber of utilization as elastic material to form the example of protuberance 12,22, but as elastic material, be not limited to rubber, such as, also can replace columned protuberance 12 and use cylindric helical spring.And protuberance 12 can be the wires such as piano wire, tabular protuberance 22 can be stainless thin plate.
Figure 10 represents the major component sectional view using helical spring as the circuit substrate of the example of protuberance 12.In this example embodiment, the helical spring one end as protuberance 12 is combined with the side of circuit substrate 5, and the other end is embedded into the supporting recess 181 of housing 18.
Figure 13 is the major component sectional view representing the throttle valve device 10 with the ECU comprising circuit substrate 5.In fig. 13, the throttle valve device 10 being incorporated with circuit substrate 5 has: closure district 38; Load closure district 38 and in air suction way 59 throttler valve 14 as butterfly valve of axle supporting for rotating freely; Based on throttler valve 14 aperture etc. and control the ECU30 of fuel injection amount.The axle (throttle plate pin: represented by axis 140) of throttler valve 14 extends to the right of Figure 11, and is provided with the wire pulley 142 engaged by closure wire 141 in the end of throttle plate pin.
ECU30 possesses: circuit substrate 5; Accommodate circuit substrate 5 and the housing 18 be combined with closure district 38; To engage with the end of housing 18 and the ECU covering circuit substrate 5 covers 39.The actuator (such as, motor) 41 that throttle sensor 40 or idling regulating valve (not shown) are driven is provided with between circuit substrate 5 and closure district 38.Housing 18 be configured to the circuit substrate 5 being suitable for accommodating roughly cuboid shape, namely from the shape of the left sides of Figure 13 be substantially rectangular.
ECU cover 39 is the covers covering substantially rectangular housing 18 end, and accommodates many signaling lines (or wire) 29a forming wire harness 29, and has the function as the Coupler be electrically connected with circuit substrate 16a by wire 29a or connector.ECU cover 39 is preferably the flexible material such as resin or rubber.
The bullport 39a that the front end of terminal 36 and wire 29a is accommodated is provided with at ECU cover 39.Bullport 39a forms the number suitable with the number of the predetermined wire 29a used, and oliquely downward has angle θ to the surface 43 relative to circuit substrate 5 and extends.Around wire 29a, being coated with rubber bushing 61, by making the surrounding of this rubber bushing 61 abut with the inner peripheral surface of bullport 39a, there is water proofing property.
Circuit substrate 5 is the so-called double sided mounting substrate installing the electronic units such as capacitor or element at first surface (surface) 42 and second these both sides of (back side) 43 respectively.Multiple electrode 16a, 16b is possessed respectively on the surface 42 of circuit substrate 5 and the back side 43.Each electrode 16a, 16b are connected with the parts arranged in base main body, and are connected with outside.On each wire 29a being clustered in ECU cover 39, the terminal 36 that arranges respectively abuts with the multiple electrode 16a arranged on the surface 42 of circuit substrate 5 and is electrically connected to each other.The terminal 44 that throttle sensor 40 is arranged and the terminal 46,47 arranged on actuator 41 abut with the multiple electrode 16b arranged on the back side 43 of circuit substrate 5 respectively, and are electrically connected to each other.It should be noted that, conveniently, wire 29a, terminal 36 and electrode 16a have only marked reference marks to 1 group in the drawings.
Protuberance 12 is fixed with at end face (upper surface in Figure 11 and the lower surface) 5S of circuit substrate 5, housing 18 has the supporting recess (the supporting recess 181 with reference to Fig. 2) in the front end of inner surface side supporting projection 12, by the front end intercalation of protuberance 12 in this supporting recess.
In addition, protuberance (protruding or rib) 12a, 12b can also be set at the back side 43 of circuit substrate 5.Protuberance 12a engages with the surrounding wall 41b of the recess 41a accommodated the terminal 46,47 of actuator 41, and protuberance 12b engages with the surrounding wall 40b of the recess 40a accommodated the terminal 44 of throttle sensor 40.Protuberance 12 both can be the column of Fig. 1 ~ Fig. 9 institute related description or the rubber of tabular, also can be the helical spring of Figure 10 institute related description, piano wire or thin plate.
The electrode 16b phase mutual friction that the terminal 44,46 and 47 stretched out from throttle sensor 40 or actuator 41 and the back side 43 at circuit substrate 5 are formed and may wearing and tearing.But by arranging protuberance 12a, 12b as in the present embodiment, throttle sensor 40 and actuator 41 are fixed with the above-below direction relative position of substrate 5, thus terminal 44,46,47 and electrode 16b due to vibration is suppressed to occur mutually to rub and move.
Comprise surface 42, the outer surface of circuit substrate 16a of the back side 43 and end face 5S applies molding section 28 by resin material except being provided with the position of electrode 16a, 16b and protuberance 12,12a, 12b.That is, electrode 16a, 16b and protuberance 12,12a, 12b are not covered by resin material, and on the surface 42 of circuit substrate 5, the back side 43 and end face 5S side expose.As resin molding method, the resin injection after by heating pressurization can be used to the compression and moulding method (transmitting molded and shaped) in heating mould.
Sheet packing 48 is provided with between ECU cover 39 and circuit substrate 5.Sealing 48 can be bonded and fixed to ECU cover 39.Sealing 48 is formed by elastomeric materials such as rubber, and is provided with the hole corresponding with the number of terminal 36, through and can contact with at the electrode 16a that exposes of surface 42 for terminal 36.
Be formed with engaging projection 50 respectively at the upper wall of housing 18 and lower wall, cover 39 sides at ECU and be formed respectively for the chimeric engaging hole 52 of the engaging projection 50 of housing 18.Can from engaging hole 52, lateral mounting cup component 391.(namely lean on circuit substrate 5) in the inner part in the top part 186 (wall section) than the housing 18 being formed with engaging projection 50 and be provided with the supporting member 185 extended abreast with this top part 186.
The first rib 392 extended to housing 18 side is provided with at ECU cover 39.Rib 392 is the tabular components extending abreast with the upper-end surface of circuit substrate 5 and expand to the extending direction of air suction way 59, its through sheet packing 48 and being entrenched between the top part 186 of housing 18 and supporting member 185.
The vibration of motor is directly passed to the one-piece type ECU in closure district.Further, closure district 38, throttle sensor 40, actuator 41 and circuit substrate 5 vary in weight and respective installation or supporting structure difference due to respective, under the effect of transmitting the vibration come, therefore carry out action alone respectively.
Consequently, such as in the structure shown in Figure 11, when circuit substrate 5a up-down vibration, supporting member 185 will be opened (will bend upward), therefore circuit substrate 5 and ECU cover 39 and relative displacement occur, the electrode 16a phase mutual friction that terminal 36 and the side, surface 42 at circuit substrate 5 are formed and may wearing and tearing.
But, according to the present embodiment, after ECU cover 39 is installed on housing 18, make by rib 392 leeway that supporting member 185 is not bending upward, therefore, it is possible to prevent the situation of terminal 36 and the relative position changing of the relative positions because of vibration at the surperficial 42 electrode 16a exposed.
According to the ECU of above-mentioned each mode of execution, circuit substrate 5 has a waterproofing effect by housing 18, and is had further waterproofing effect by resin mold section.And, circuit substrate 5 is by being clipped in the protuberance 12,22 be made up of elastic material between the end face 5S of circuit substrate 5 and housing 18 and floating, even if when therefore putting on housing 18 from the vibration of outside, its vibration also declines and transmits to circuit substrate 5 significantly being subtracted.Declined because the vibration passing to circuit substrate 5 significantly subtracts, therefore can configure ECU30 near the motor E that mechanical vibrations is large, thus increase the degrees of freedom of layout.Such as, owing to being configured with the parts such as ignition mechanism, throttle valve device for engine control near motor E, the wiring distance between ECU30 and each engine control device can therefore be shortened.

Claims (13)

1. an engine controlling unit (30), it comprises circuit substrate (5) and housing (18), this circuit substrate (5) is provided with the outside electrode (16) connected in the mode exposed on surface, and apply resin mold section whole except this electrode (16) and be formed as roughly cuboid, this housing (18) accommodates described circuit substrate (5), the feature of described engine controlling unit (30) is
Described circuit substrate (5) is contained in described housing (18) to have space (A) relative to described housing (18) non-contacting mode,
Described engine controlling unit possesses the resilient member (12,22) giving prominence to formation from the end face (5S) of described circuit substrate (5) towards foreign side,
Only by the overhang bracket of described resilient member (12,22) in the internal face of described housing (18), thus described circuit substrate (5) is arranged in described housing (18) by described resilient member (12,22) is floating.
2. engine controlling unit according to claim 1, is characterized in that,
The end of described resilient member (12,22) is embedded in the supporting recess (181,182) formed at the internal face of described housing (18).
3. engine controlling unit according to claim 1 and 2, is characterized in that,
Described housing (18) is formed the wire harness passing hole (32) formed inside and outside this housing through,
Sealing (33) is provided with between the wire harness of distribution (29) described wire harness passing hole (32) and by this wire harness passing hole (32).
4. engine controlling unit according to claim 1 and 2, is characterized in that,
At a sidepiece of described housing (18), outside connection Coupler (34) is installed, and be provided with from this Coupler (34) extend and be connected with the outside arranged at described circuit substrate (5) with the wire (37) that connects of electrode (16).
5. engine controlling unit according to claim 1 and 2, is characterized in that,
Described housing (18) possesses housing body (183) and is covered in the lid (184) of housing body (183),
Described resilient member (12,22) is clamped by the involutory portion of described housing body (183) with described lid (184).
6. engine controlling unit according to claim 1 and 2, is characterized in that,
Described resilient member (12) is column.
7. engine controlling unit according to claim 1 and 2, is characterized in that,
Described resilient member (22) is tabular.
8. engine controlling unit according to claim 1 and 2, is characterized in that,
Described resilient member (12,22) is made up of rubber.
9. engine controlling unit according to claim 1 and 2, is characterized in that,
Described resilient member (12) is helical spring.
10. engine controlling unit according to claim 1 and 2, is characterized in that,
The housing (18) of accommodating described circuit substrate (5) is the ECU housing installed in the closure district (38) of motor.
11. engine controlling units according to claim 10, is characterized in that,
Described circuit substrate (5) has described electrode (16a, 16b) respectively at the first surface (42) orthogonal with described end face (5S) and second (43),
Described engine controlling unit possesses protuberance (12a, 12b), described protuberance (12a, 12b) engages with described housing (18), and is limited in the movement on the direction orthogonal with described end face (5S) relative to this housing (18).
12. engine controlling units according to claim 11, is characterized in that,
Described engine controlling unit possesses ECU cover (39), and this ECU covers the end face that (39) cover described housing (18), and has the rib (392) extended to housing (18) side,
The upper wall section (186) that arranges of described housing (18) and and the supporting member (185) that this wall section (186) extends abreast between chimeric described rib (392) in the gap that formed.
13. engine controlling units according to claim 1 and 2, is characterized in that,
Described engine controlling unit is equipped on two-wheeled, and is applicable to this two-wheeled driving motor.
CN201110302005.6A 2010-09-30 2011-09-28 Engine control device Expired - Fee Related CN102444526B (en)

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Application Number Priority Date Filing Date Title
JP2010222842A JP5503483B2 (en) 2010-09-30 2010-09-30 Engine control device
JP2010-222842 2010-09-30

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CN102444526A CN102444526A (en) 2012-05-09
CN102444526B true CN102444526B (en) 2015-02-25

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Publication number Priority date Publication date Assignee Title
DE102013209352A1 (en) * 2013-05-21 2014-11-27 Robert Bosch Gmbh Controller unit
CN107152367B (en) * 2017-05-27 2018-10-12 蚌埠泰欣电子科技有限公司 A kind of igniter for automobile of built-in elastic buffer gear
CN107035598B (en) * 2017-05-27 2019-01-01 蚌埠泰欣电子科技有限公司 A kind of igniter for automobile with multidirectional folding termination
CN107165760B (en) * 2017-05-27 2018-08-07 蚌埠泰欣电子科技有限公司 A kind of vehicle-mounted igniter of easily assembling drawing and pulling type

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1123515A (en) * 1994-11-24 1996-05-29 三菱电机株式会社 Resin-molded electronic circuit device
US6341063B2 (en) * 2000-02-02 2002-01-22 Denso Corporation Installation structure of printed-circuit board for electronic control unit
CN1381161A (en) * 2000-05-11 2002-11-20 罗伯特·博施有限公司 Electronic device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58191680U (en) * 1982-06-15 1983-12-20 日本精機株式会社 Board sealing and fixing device
JPH05164775A (en) * 1991-12-17 1993-06-29 Atsugi Unisia Corp Acceleration sensor
JP2003322043A (en) * 2002-04-30 2003-11-14 Mikuni Corp Electric connecting structure of component, ecu (electronic control unit), and engine control device
JP2004186039A (en) * 2002-12-04 2004-07-02 Denso Corp Vehicle-mounted electronic control device
JP2007005142A (en) * 2005-06-23 2007-01-11 Yazaki Corp Connector and electric connection box equipped with this connector
JP4752498B2 (en) * 2005-12-26 2011-08-17 トヨタ自動車株式会社 Substrate support structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1123515A (en) * 1994-11-24 1996-05-29 三菱电机株式会社 Resin-molded electronic circuit device
US6341063B2 (en) * 2000-02-02 2002-01-22 Denso Corporation Installation structure of printed-circuit board for electronic control unit
CN1381161A (en) * 2000-05-11 2002-11-20 罗伯特·博施有限公司 Electronic device

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