DE102016204227A1 - Electronic control unit - Google Patents

Abstract

An electronic control unit includes: a holder (33) to be mounted to a vehicle; a board (30); a housing (31) which receives the board; and a connector (32) attached to the board. The holder has an insertion part (50) interposed between a flat part (19d) of a box-shaped component (19) and an opposite surface (43b) of the housing. The holder has a pair of bent parts (51) which extend from the respective end of the insertion part in the width direction and are bent to face the insertion part in a thickness direction. The pair of bent parts is elastically deformed by contacting with a corresponding inclined part (43e) of the housing to provide a bearing force on the corresponding inclined part.

Description

The present invention relates to an electronic control unit which is disposed in a space separated from a vehicle compartment of a vehicle by a compartment and disposed under a hood adjacent to a box-shaped component having a flat portion on one side.

Space for an electronic device such as a control unit is in a space separated from a passenger compartment of a vehicle by a compartment and disposed under a hood because of the increased number of components caused by the advanced functions and the increased space for passenger comfort limited. Further, it is necessary to secure a space in the engine compartment under a hood to cushion the shock on a head of a pedestrian in case of a crash with a pedestrian.

JP 2008-81016 A describes an electronic control unit (engine control unit) disposed under a battery as a box-shaped component in an engine room under a hood.

However, it has to be in JP 2008-81016 A For example, a wire harness may extend upward from the electronic control unit located at the lower portion of the vehicle to control an engine and other devices of the vehicle. In this case, the harness length becomes long. Many objects to be controlled, such as a throttle valve, a fuel injection device and an ignition device are arranged on the upper part of the internal combustion engine.

Further, the position of a hood (a hood / a lid) becomes high because the battery is disposed above the electronic control unit. As a result, the center of gravity of the vehicle is high.

It is an object of the present invention to provide an electronic control unit which is disposed adjacent to a box-shaped component in which a wire harness is restricted from becoming long while the position of a hood over a space thereon is restricted / elevated to become.

An electronic control unit is disposed in a space separated from a vehicle compartment of a vehicle by a compartment (partition) and disposed under a hood adjacent to a box-shaped component having a flat portion on one side. According to one aspect of the present invention, the electronic control unit includes: a holder to be attached to the vehicle; a board (circuit board); a housing made of metal and having a pocket shape, the housing accommodating the board and having a bottom wall part at one end in a depth direction and an opening at the other end in the depth direction; and a connector attached to the board and disposed at the opening of the housing for electrically connecting the board to an external device. A direction perpendicular to the depth direction and the flat part is defined as a thickness direction, and a direction perpendicular to the depth direction and the thickness direction is defined as a width direction. The housing is disposed adjacent to the flat part so that the opening is located on an upper side of the bottom wall part. The housing has an external surface which faces from a bottom surface which is an outer surface of the bottom wall part, an opposing surface which is disposed opposite to the flat part, a rear surface which faces the opposite surface in the thickness direction, and a pair of connection surfaces each connecting one end of the opposite surface in the width direction to one end of the rear surface in the width direction is formed. The pair of connection surfaces each have an oblique portion where a gap of the pair of the connection surface becomes narrower in the width direction when approaching the back surface in a predetermined range in the thickness direction and the depth direction. The holder has an insertion part made of metal and interposed between the flat part and the opposite surface, and a pair of bent parts made of metal and extending from the respective end of the insertion part in the width direction and bent to face the insertion part in the thickness direction. The pair of bent parts are elastically deformed by contact with the respective inclined part to provide a bearing force on the respective inclined part.

Accordingly, the bearing force generated by the elastic deformation of the bent part can be provided on the inclined part of the connecting surface, which is arranged at both ends of the housing in the width direction. Since the inclined part is formed so that the gap between the joining surfaces in the width direction (distance between the joining surfaces) becomes narrower as the joining part approaches the back surface, the housing can be pressed in the thickness direction due to the bearing force against the insertion part. This allows the housing to be fixed to the holder. Therefore, the electronic control unit can be made thin in the thickness direction as compared with a conventional embodiment in which a holder is fastened to a housing using a screw in the thickness direction or in which a holder carries an opposite surface and a rear surface of the housing does not have an inclined surface on a connecting surface extending along the thickness direction. Furthermore, the electronic control unit can be simplified.

Since the electronic control unit can be made thin, the electronic control unit can be located in the narrow space adjacent to the flat part of a box-shaped component, i. H. the side of a box-shaped component, be arranged in the space in which the space is limited. Thereby, the position of the hood defining the upper end of the room can be made lower as compared with a case where an electronic control unit is arranged under a box-shaped component. As a result, the center of gravity of the vehicle can be made lower. Further, it becomes easy to change the shape of a hood to improve the design. Furthermore, visibility (perceptibility) can also be improved if a space is arranged in front of the passenger compartment.

Furthermore, since the opening of the housing, i. H. a connector arranged to be higher than the bottom wall part in the depth direction, the length of a wire harness may be shortened as compared with a case where an electronic control unit is arranged below a box-shaped component.

An electronic control unit is disposed in a space separated from a vehicle compartment of a vehicle by a compartment (partition) and disposed under a hood adjacent to a box-shaped component having a flat portion on one side. According to one aspect of the present invention, the electronic control unit includes: a holder to be attached to the vehicle; a board (circuit board); a connector attached to the board for electrically connecting the board to an external device; and a housing which receives the circuit board and a part of the connector. The housing has a bottom wall part at one end in a depth direction, and the connector is disposed at the other end of the housing in the depth direction. A direction perpendicular to the depth direction and the flat part is defined as a thickness direction, and a direction perpendicular to the depth direction and the thickness direction is defined as a width direction. The housing is disposed adjacent to the flat part such that the connector is located at an upper side of the bottom wall part. The housing has: an opposite surface arranged to face the flat part; a rear surface opposite to the opposite surface in the thickness direction; and a pair of receiving parts between which the rear surface is arranged in the width direction. The holder has: an insertion part made of metal and interposed between the flat part and the opposite surface; and a pair of bent parts made of metal and extending from the respective end of the insertion part in the width direction and bent to face the insertion part in the thickness direction. The pair of bent parts are in contact with the respective receiving part at a position between the rear surface and the opposite surface in the thickness direction. One of the pair of receiving parts and the pair of bent parts is elastically deformed to provide a bearing force on the other in a state in which the respective receiving part is supported between the insertion part and the respective bent part.

This also allows the same benefits to be achieved.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description made with reference to the accompanying drawings. In the drawings:

1 a plan view illustrating a vehicle in which an electronic control unit is arranged according to a first embodiment;

2 a plan view illustrating an arrangement of the electronic control unit in an engine room of the vehicle;

3 a perspective view illustrating a battery and arranged next to the battery electronic control unit;

4 a side view illustrating the battery and arranged next to the battery electronic control unit;

5 a bottom view illustrating the battery and arranged next to the battery electronic control unit;

6 a perspective view illustrating the electronic control unit;

7 an elevational view illustrating a housing of the electronic control unit, in which a board is arranged;

8th a view illustrating the housing which holds the board;

9 one along a line IX-IX of 7 taken sectional view;

10 a developed view illustrating a holder of the electronic control unit;

11 a diagram illustrating a result of a thermal analysis;

12 a diagram illustrating a result of a thermal analysis;

13 a perspective view illustrating an electronic control unit according to a second embodiment;

14 a sectional view illustrating a housing of an electronic control unit according to a third embodiment, in which a circuit board is arranged;

15 an elevational view illustrating from a side of an upper housing, the housing which holds the board;

16 another elevational view illustrating the housing without a lower housing;

17 a plan view illustrating the housing seen from one side of a connector;

18 an elevational view illustrating the electronic control unit of the third embodiment seen from a side of the upper housing;

19 a plan view illustrating the electronic control unit of the third embodiment seen from one side of the connector;

20 one along a line XX-XX of 18 taken sectional view;

21 a bottom view illustrating the electronic control unit of the third embodiment seen from a side of a bottom wall part; and

22 a sectional view illustrating an electronic control unit according to a fourth embodiment.

Embodiments of the present invention will be described below with reference to drawings. In the embodiments, a part corresponding to an object described in a preceding embodiment may be assigned the same reference numeral, and a redundant explanation for the part may be omitted. When only a part of a configuration is described in one embodiment, another previous embodiment may be applied to the other parts of the embodiment. The parts can be combined, even if it is not explicitly described that the parts can be combined. The embodiments may be partially combined even though it is not explicitly described that the embodiments may be combined, provided there is no penalty in the combination.

Embodiments will now be described with reference to the accompanying drawings. In the respective drawings described below, the same or associated elements are given the same reference numerals. A depth direction of a housing is defined as a Z direction. A thickness direction of the housing (thickness direction of a board) perpendicular to the Z direction is defined as an X direction. A width direction of the housing perpendicular to both the X direction and the Z direction is defined as a Y direction.

(First embodiment)

First, an environment in which an electronic control unit 20 of the present embodiment is mounted, with reference to 1 and 2 to be discribed.

As in 1 illustrates includes a vehicle 10 a hood 12 in front of a front windshield 11 , The hood 12 is also called a "hood". In a lateral direction of the vehicle are both sides of the hood 12 with front fenders 13 equipped to protect an occupant of tires (not shown), stone, dirt or water splashed by the tires. Besides, the vehicle has 10 a headlight 14 both on the right and on the left side of the front of the vehicle 10 , A front ventilation grille 15 for taking in air from the external is between the headlights 14 arranged.

As in 2 shown are an internal combustion engine 18 and vehicle accessories in an engine room 17 under the hood 12 separated from a vehicle interior (cabin) for the occupant by a partition wall (separation wall) 16 arranged. The engine room 17 is also called "combustion engine chamber". The engine room 17 is also called "room", and the hood 12 is also called "lid on the room". The engine room 17 is through the front fenders 13 , the front ventilation grille 15 , the department wall 16 etc. divided. The engine room 17 corresponds to a room (compartment), and the hood 12 corresponds to a lid over the room.

A battery 19 , the electronic control unit 20 , a relay box 21 etc. are in the engine room 17 in addition to the internal combustion engine 18 arranged. The electronic control unit 20 is formed by an engine ECU (electronic control unit). The battery 19 is also called "box-shaped element". The electronic control unit 20 performs a calculation of one of the internal combustion engine 18 output target torque. To one of the internal combustion engine 18 To generate the required target torque controls the electronic control unit 26 an opening of a throttle valve, a fuel injection amount and an ignition timing via a wire harness 22 , The electronic control unit 20 detects an atmospheric pressure via an atmospheric pressure sensor 30a , which will be described later, and controls an air-fuel ratio in the internal combustion engine depending on a detection value, because a density of intake air in the internal combustion engine depending on an atmospheric pressure due to a change in altitude during the travel of the vehicle 10 changes.

To get an electrical energy of the battery 19 to distribute electrical components in the vehicle includes the relay box 21 several relays and fuses. The relay box 21 provides the electronic control unit 20 over a part of a wiring harness 23 with electrical energy or receives a control signal from the electronic control unit 20 , The electronic control unit 20 controls the supply of the electrical components which are in the vehicle 10 are attached, with the energy based on the control signal. The remaining parts of the wiring harness 23 are provided with various ECUs, a meter, and various switches of a body system (not shown) via a through hole 16a which is in the department wall 16 is defined, connected. This makes it possible to send a signal between the electronic control unit 20 and various ECUs of the body or an object to be controlled.

Subsequently, a description of the battery 19 and that adjacent to the battery 19 arranged electronic control unit 20 regarding 3 to 10 are given.

The battery 19 performs a charge and discharge operation for controlling various electrical devices and electronic devices. As in 3 and 4 shown is the battery 19 formed in a substantially rectangular parallelepiped shape and includes, as outer surfaces, an upper surface 19a at which a terminal (not shown) is formed has long side surfaces 19b and short side surfaces 19c , which are side surfaces, and a bottom surface (not shown) opposite to the top surface 19a , Each of the long side surfaces 19b is a side surface which has a corresponding long side of the top surface 19a is connected, which is formed in a substantially rectangular shape, and each of the short side surfaces 19c is a side surface which has a corresponding short side of the top surface 19a connected is. Each of the long side surfaces 19b and the short side surfaces 19c is flat over the substantially entire surface, ie in a flat part 19d shaped. The battery 19 is on a bottom plate part 55 arranged, which is a tray part 54 a keeper 33 forms, which will be described later.

The battery 19 is on the tablet part 54 fixed and therefore on the vehicle 10 fixed. A clamp element 24 which the battery 19 is clinging to the upper surface 19a the battery 19 arranged. The clamp element 24 is arranged over the top surface 19a extending along a short side direction near a middle of the long sides. As in 3 and 5 illustrated, both ends of the clamping element extend 24 from the upper surface 19a abroad. Both ends of the clamp element 24 are with corresponding J-like hook elements 25 coupled. A lower end of the hook element 25 opposite a connection end of the hook element 25 with the clamp element 24 is bent into a J-shape. From the side plate parts 56 and 57 which the tablet part 54 form, becomes a closure part 59 on each of the side panel parts 57 opposite the long side surfaces 19b the battery 19 formed, and a lower end of the hook member 25 is at the closure part 59 hooked. As described above the battery 19 between the bottom plate part 55 and the clamp element 24 held.

As in 3 - 10 has shown the electronic control unit 20 the board 30 , the case 31 , the connector 32 and the holder 33 , The board 30 has a printed circuit board and electronic components mounted on the PCB. As in 9 shown is the board 30 in the case 31 held and is on the case 31 fixed by a fixing part, which is not shown. The connector 32 is also on the board 30 appropriate. In 9 For the sake of simplicity, a representation of the electronic components is omitted. Further, in 9 as an example, only one printed circuit board in the housing 31 held.

The housing 31 holds the board 30 in the interior. In this embodiment, the housing 31 made of metallic material. This achieves the housing 31 a function of radiating from the board 30 generated heat from the housing 31 out. As in 9 the housing has shown a pocket shape in which the bottom wall part 40 is defined at one end in the Z direction, which is a depth direction of the bag shape, and the opening 41 at the other end opposite the bottom wall part 40 is defined. Furthermore, the housing has 31 the side wall part 42 , which with the bottom wall part 40 is connected to together with the bottom wall part 40 the space for holding the board 30 forms.

The housing 31 can be formed with a single component, or it can be formed by assembling two or more components. In this embodiment, the housing 31 formed with a single component by applying a punch processing method using a punch. By applying the impact processing method, the length of the housing 31 in the X direction, ie the thickness of the housing 31 are made thin as compared with a case in which a package is formed by assembling two or more components or molded with a single component using an aluminum die-casting method. Furthermore, the thickness of the housing 31 are made thin by molding with a single component as compared with a case where a housing is formed by assembling two or more components.

As in 7 . 8th and 9 illustrates includes the housing 31 as its outer surfaces, a soil surface 43a which is an outer surface of the bottom wall part 40 is, an opposing surface 43b which faces the flat part 19d the battery 19 is arranged, a rear surface 43c opposite the opposite surface 43b and a pair of connection surfaces 43d which are both ends of the opposite surface 43d and the back surface 43c connect in the Y direction. Each of the connection surfaces 43d has a sloping part 43e , which is inclined, a gap of the connecting surfaces 43d in the Y direction to the rear surface 43c in a predetermined range in the X direction, which is at least a part in the Z direction. In other words, the pair is of inclined parts 43e inclined to gradually (gradually / progressively) the space between the inclined parts 43e from the opposite surface 43b to the back surface 43c To shorten. The inclined parts 43e are arranged opposite each other. The space between the connection surfaces 43d means a distance in the Y direction between a connection surface 43d and the other connection surface 43d ,

In the present embodiment, the opposite surface 43b and the back surface 43c essentially flat. Each of the connection surfaces 43d forms the inclined part 43e apart from bent parts, which connecting parts of the connection surfaces 43d with the opposite surface 43b and the back surface 43c are. In other words, the substantially entire surface forms each bonding surface 43d the inclined part 43e , As in 8th shown is one between the connection surface 43d and the opposite surface 43b defined angle an acute angle, and one between the connection surface 43d and the back surface 43c defined angle is an obtuse angle. That's why the case has 31 in the view of the Z-direction a roughly trapezoidal shape. That's why the back surface is 43c between the pair of connection surfaces 43d arranged in the Y direction. Furthermore, as in 8th shown having a predetermined depth screw hole 44 in the bottom wall part 40 trained in the soil surface 43a to open.

As in 3 and 4 Illustrated is the housing 31 adjacent (to) one of the short side surfaces 19c the battery 19 arranged. The housing is more detailed 31 designed so that the opposite surface 43b is arranged, the short side surface 19c to lie opposite. The housing 31 is next to the short side surface 19c (shallow part 19d ) arranged so that the opening 41 above the bottom wall part 40 is placed. In other words, the connector 32 above the bottom wall part 40 arranged. The Z direction is approximately in line with the up-and-down direction of the vehicle 10 , The upper side means an upper side of the vehicle.

The connector 32 is on the board 30 attached and connects the board 30 electrically with the external equipment. As in 9 illustrates, becomes a part of the connector 32 in the case 31 taken up, and the other part is from the housing 31 exposed to the outside. A connector (connection socket) of the external equipment is placed on the connector 32 plugged, and the board 30 is electrically via the connector 32 and the connection socket with the wiring harnesses 22 and 23 connected.

As in 9 illustrates, includes the connector 32 a housing 32a which is made of an electrically insulating material such as resin, and multiple terminals 32b which are made of an electrically conductive material and of the housing 32a being held. The multiple connections 32b are z. B. with respect to the housing 32a arranged in the Y direction and arranged in the X direction in several rows. The longitudinal direction of the connector 32 corresponds to the Y direction. The number of rows is not particularly limited.

The connector 32 is in the opening 41 of the housing 31 and in the periphery of the opening 41 arranged and closes the opening 41 , The housing 32a is in the periphery of the opening 41 to the housing 31 grown. A watertight sealing element (not shown) is between the housing 32a and a peripheral part (peripheral part) of the opening 41 in the side wall part 42 arranged. With the waterproof sealing material acts an interior of the housing 31 as a watertight space in the electronic control unit 20 , In 9 are the connections 32b in the board 30 (PCB), but can also attach to a surface of the board 30 be attached.

As in 3 . 6 and 7 illustrated has the housing 32a of the connector 32 three interfaces (inputs). At the connector 32 Part of these three interfaces function as an engine block, which is for connection to the wiring harness 22 for driving the internal combustion engine 18 is provided. At the connector 32 The remaining interfaces act as body blocks which connect to the relay box 21 and the body ECU associated wiring harnesses 32 are provided. In an in 2 is shown embodiment, in the connector 32 , the arrangement of the respective blocks set so that the internal combustion engine block at one to the internal combustion engine 18 is placed nearer, and the body block at one to the relay box 21 and the through hole 16a is placed closer to the wiring of the harnesses 22 and 23 is taken into account. The number of interfaces in the connector 32 is not particularly limited.

The holder 33 is a component for attaching the housing 31 which the board 30 includes, to the vehicle 10 , This holder 33 has at least the insertion part 50 , which is made of metal, and the pair of plate spring parts 51 , which are made of metal. The pair of plate spring parts 51 corresponds to a pair of bent parts.

The insertion part 50 comes between the flat part 19d (short page 19c ) of the battery 19 and the opposite surface 43b of the housing 31 , The insertion part 50 may also be called a connecting part, which is the pair of plate spring parts 51 combines. Since the plate spring part 51 with the respective end of the insertion part 50 connected in the Y direction, the insertion part 50 also referred to as a base part (base). The insertion part 50 extends over the opposite surface 43b in the Y direction.

The plate spring part 51 extends to the back surface 43c in the X direction from the respective end of the insertion part 50 in the Y direction, and is with respect to the insertion part 50 so bent that he is the insertion part 50 in the X direction opposite. The thus bent plate spring part 51 is elastically deformable in the X direction. Because of the curved structure, the pair touches plate spring parts 51 the respective oblique part 43e the connection surface 43d and applies the bearing force on the respective inclined part by the elastic deformation 43 at. The elastic deformation is also called spring deformation. The plate spring part 51 of the owner 33 touches the sloping part 43e at one between the rear surface 43c and the opposite surface 43b arranged in the X direction contact point. Therefore, the oblique part corresponds 43e a receiving part of the housing 31 , which the plate spring part 51 receives / receive.

The method for connecting the plate spring part 51 and the insertion part 50 is not limited. The insertion part 50 and the plate spring part 51 can be produced separately from each other and can be connected by welding. In this embodiment, the holder 33 , as in 10 shown formed by processing a metal plate into a predetermined shape. That is, the plate spring part 51 and the insertion part 50 are produced as one piece, which is made of the same metal plate. A dashed Line in 10 represents the boundary (connection part) between the insertion part 50 and the plate spring part 51 , The other boundaries are also shown by dashed lines.

The plate spring parts 51 are at both ends of the insertion part 50 arranged in the Y direction and with respect to the insertion part 50 away from the battery 19 bent. From the pair of plate spring parts 51 is at least a part of the plate spring parts 51 formed in the X direction so that the space between the plate spring parts 51 when leaving the insertion part 50 gets closer. The space between the plate spring parts 51 is a distance from one of the plate spring parts 51 to the other plate spring part 51 in the Y direction. The plate spring part 51 has a bent part at the connecting end, which with the insertion part 50 connected is.

In this embodiment part is the plate spring part 51 except for a bent part formed so that the gap between the pair of plate spring parts 51 when leaving the insertion part 50 gets closer. In other words, the angle between the plate spring part 51 and the insertion part 50 an acute angle, so the plate spring part 51 the sloping part 43e of the housing 31 touched. The angle between the plate spring part 51 and the insertion part 50 is slightly smaller than the angle between the opposite surface 43b and the connection surface 43d (oblique part 43e ). Therefore forms the plate spring part 51 the curved structure to the corresponding oblique part 43e to touch and can the bearing force on the corresponding oblique part 43e provide by the elastic deformation.

As in 6 and 10 shown are the plate spring parts 51 with a part of the insertion part 50 connected in the Z direction. In detail, in the area from the upper end to the lower end of the insertion part 50 , the plate spring parts 51 with a predetermined expansion area of the insertion part 50 but they are not connected to the remaining extent of the lower end. However, the plate spring parts can 51 with the insertion part 50 be connected over the entire extent of the upper end to the lower end. A bent angle of the plate spring part 51 to the insertion part 50 is held substantially constant in the Z direction.

Part of the plate spring part 51 which is the oblique part 43e is opposite, may have a projection, and the projection comes into contact with the inclined part 43e , According to the above configuration, contact areas between the plate spring part 51 and the sloping part 43e be reduced, and that the board 30 and the connector 32 containing housing 31 can easily on the holder 33 be attached. If the case 31 on the holder 33 is fixed, is the board 30 in the case 31 housed, and the connector 32 is on the board 30 assembled. That's why, strictly speaking, that's the board 30 and the connector 32 containing housing 31 on the holder 33 fixed. However, the following description merely expresses that the housing 31 on the holder 33 is fixed.

Further, in this embodiment, the holder 33 the carrier part 52 and the tablet part 54 , The carrier part 52 corresponds to a first carrier part. The carrier part 52 and the tablet part 54 are with other parts of the holder 33 connected. The carrier part 52 and the tablet part 54 may be made of at least one of a metal material and a resin material.

The carrier part 52 and the tablet part 54 can be made as a piece of resin material, and a metal component which forms the insertion part 50 and the plate spring part 51 can, for example, by press-joining, connected to the prepared component and fixed to it. Alternatively, the carrier part 52 be made of a metal material and with any of the insertion part 50 and the plate spring part 51 be connected. Then, a metal component containing the insertion part 50 , the plate spring part 51 and the carrier part 52 has, on the tray part made of a resin material 54 be attached by press-fitting. Further, the support member made of a metal material may be used 52 and the tray part made of a metal material 54 with each other, for. B. be connected by welding. Furthermore, the carrier part 52 and the tablet part 54 , which are made of a metal material, with the insertion part 50 or the plate spring part 51 be connected by welding.

In the present embodiment, as described above, the flat metal plate is machined to the predetermined shape around the holder 33 train. In other words, not only the insertion part becomes 50 and the plate spring parts 51 , but also the carrier part 52 and the tablet part 54 formed of parts of the same metal plate.

As in 3 . 5 . 6 and 10 represented, carries the carrier part 52 , the bottom wall part 40 of the housing 31 , In the present embodiment, there is a through hole 53 for tightening the housing 31 in the carrier part 52 Are defined. An in 5 illustrated screw 34 is through the respective through holes 53 introduced and in the in the bottom wall part 40 of the housing 31 defined screw holes 44 screwed to the case 31 on the support part 52 to fix.

As in 5 and 10 shown, is the carrier part 52 with the bottom plate part 55 which the tablet part 54 trains, connected. In 5 is a border between the carrier part 52 and the bottom plate part 55 indicated by a dashed line. The respective carrier parts 52 are with the bottom plate part 55 connected at one end in the X direction and connected at both ends in the Y direction. The carrier parts 52 overlap with both ends of the bottom wall part 40 of the housing 31 in the Y direction in a projection view from the Z direction.

The tablet part 54 is a part of the owner 33 in which the battery 19 is arranged. The tablet part 54 includes the bottom plate part 55 and the side panel parts 56 . 57 , The bottom plate part 55 is called "carrier part", and the side plate parts 57 are called "reinforcing parts". In the present embodiment, the bottom plate part 55 and the side panel parts 56 . 57 Also formed as parts of the metal plates, which is the insertion part 50 , the plate spring parts 51 and the carrier part 52 form. In other words, in the present embodiment, the bottom plate part 55 and the side panel parts 56 . 57 formed as parts of the same metal plate. However, the bottom plate part can 55 and the side panel parts 56 . 57 be formed of different elements. In addition, the side plate part 56 and the side panel parts 57 be formed of different elements.

The bottom plate part 55 carries the battery 19 , The bottom plate part 55 is in a rectangular shape (rectangle) in accordance with the battery 19 Shaped in an XY plane. As described above, one end of the bottom plate part 55 in the X-direction, ie one of the ends which the short side surfaces 19c the battery 19 correspond with the carrier part 52 connected. The bottom plate part 55 is with a lower end of the insertion part 50 between the two support parts 52 connected at the end, which with the support parts 52 connected is. The carrier parts 52 are in the same plane as that of the bottom plate part 55 arranged and extending in the X direction of the bottom plate part 55 , In other words, the carrier parts 55 not from the bottom plate part 55 bent. On the other side is the insertion part 50 from the bottom plate part 55 so bent that an angle between the insertion part 50 and the bottom plate part 55 becomes substantially 90 °.

The bottom plate part 55 has a fixation hole 58 , which is due to the proximity of the center of the bottom plate part 55 runs. The holder 33 ie the electronic control unit 20 , is attached to a body of the vehicle 10 or on a fixing part fixed to the body through the fixing hole 58 fastened with a screw. A fixing part of the electronic control unit 20 to the vehicle 10 is not on the bottom plate part 55 limited. The electronic control unit 20 can be on another part of the holder 33 be fixed. The electronic control unit 20 may be attached to a mounting part such as. A radiator support via the terminal element 24 be fixed.

The side plate part 56 is with one end of the bottom plate part 55 connected, which opposite to another end of the bottom plate part 55 which is with the insertion part 50 and the support parts 52 connected is. The side plate part 56 is formed into a rectangular shape (rectangle) in a YZ plane and has the same length as that of the bottom plate part 55 in the Y direction. The side plate part 56 is from the bottom plate part 55 bent so that an angle between the lateral plate part 56 and the bottom plate part 55 becomes substantially 90 °. As in 6 are the insertion part 50 and the side plate part 56 opposite each other.

The pair of lateral plate parts 57 is with the respective ends of the bottom plate part 55 connected in the Y direction, ie, the respective long side surfaces 19b the battery 19 corresponding ends. The pair of lateral plate parts 57 is from the bottom plate part 55 so bent that the angle between the lateral plate parts 57 and the bottom plate part 55 becomes substantially 90 °. The pair of lateral plate parts 57 is opposite each other. One end of each side plate part 57 in the X direction is with a corresponding end of the side plate part 56 in the Y direction, for example, connected by welding.

As in 6 is the other end of each side panel part 57 in the X direction with a corresponding end of the insertion part 50 in the Y direction z. B. connected by welding. In other words, the side plate parts extend 57 away from the plate spring parts 51 with respect to the insertion part 50 in the X direction. An opposite space between the pair of side plate parts 57 is through the insertion part 50 and the side panel part 56 held. Because the circumference (the periphery) of the bottom plate part 55 from the insertion part 50 and the lateral plate parts 56 . 57 surrounded, the holder can 33 just the battery 19 position, and he can change the position of the battery 19 suppress.

However, the side plate parts 57 with the plate spring parts 51 z. B. be connected by welding. In this case, a thickness of the electronic control unit 20 in the X direction more dilute than the one in the 6 illustrated embodiment by the thickness of the lateral plate member 57 ,

A height of the side plate part 57 in the Z-direction is substantially the same as a height of the side plate member 56 in a predetermined range from the connection end to the side plate part 56 in the X direction, particularly in an area near the center in the X direction. On the other side is the insertion part 50 adjacent end a height of the side plate parts 57 essentially the same as that of the insertion part 50 , The height of the side plate parts 57 is gradually (gradual / progressive) from the vicinity of the center in the X direction to that of the insertion part 50 increased adjacent end. In this way, the height of the lateral plate parts 57 in the X direction to the board 30 closer page higher. The side plate parts 57 are each with the closure part 59 formed, on which a J-shaped lower end of the hook element 50 hooked near the middle in the X direction.

Subsequently, a method of mounting the above electronic control unit will be described 20 to the vehicle 10 regarding 2 to be discribed.

First, the relay box 21 and a main cable (not shown) which connects the harness 23 includes, in the engine compartment 17 arranged.

Then, an engine module becomes from a lower side of the vehicle 10 in the engine room 17 used. The engine module is manufactured by assembling accessories such as a starter, a generator and a compressor, a drive system such as a transmission and a drive shaft, a brake system such as a shock absorber and a brake disk, and intake and exhaust systems other than an air cleaner the internal combustion engine 18 educated. Further, the engine module may be constructed by mounting engine mounting components, a lower fairing, and the wiring harness 22 in addition to the above components to the internal combustion engine 18 to be obtained.

Then, the remaining components such as the remaining wire harnesses except the main cable and the wiring harness become 22 , the air purifier, the electronic control unit 20 and the battery 19 on the internal combustion engine 18 assembled. In other words, the battery 19 and the electronic control unit 20 in a state between the internal combustion engine 18 and the relay box 21 mounted, in which the internal combustion engine 18 and the relay box 21 already been placed.

In this situation, the case becomes 31 next to the short side surfaces 19c the battery 19 placed so that the connector 32 above the bottom wall part 40 of the housing 31 is arranged. The electronic control unit 20 (Holder 33 ) is attached to the body of the vehicle 10 or the fixing part fixed to the body, and then the battery becomes 19 on the bottom plate part 55 of the owner 33 placed. The connection socket of the external equipment is placed on the connector 32 attached. Through this activity become the harnesses 22 and 23 with the board 30 connected. The connection of the connection socket can be done before the arrangement of the battery 19 will be realized.

Subsequently, the advantages of the above-described electronic control unit 20 to be discribed.

In the present embodiment, the connection surfaces 43d of the housing 31 not formed by a surface along the X direction, but at least a part of the bonding surfaces 43d is through the sloping parts 43e formed, which are inclined so that the gap between the pair of connection surfaces 43d in the Y direction to the rear surface 43c gets closer.

Furthermore, the holder has 33 the metal-made plate spring part 51 , and the plate spring part 51 is done by touching the corresponding oblique part 43e the connection surface 43d elastically deformed to the bearing force to the corresponding oblique part 43e to give. When the bearing force on the oblique part 43e acts, becomes the oblique part 43e in the Y direction to the other oblique part 43e pressed on the opposite side and in the X direction towards the insertion part 50 pressed. That is, the two ends of the housing 31 in the Y direction are towards the insertion part 50 pressed in the X direction. Then the case becomes 31 from the plate spring part 51 and the insertion part 50 worn in the X direction. This allows the housing 31 on the holder 33 be fixed.

Therefore, the electronic control unit 20 are made thin in the X-direction compared with a conventional structure in which a holder with a screw in the X-direction is fixed to a housing or in which a holder is a fixed in parallel with the thickness direction connecting surface without an oblique shape between an opposite surface and a rear surface. Furthermore, the fixing structure can be formed by the support structure with the plate spring part 51 and the insertion part 50 be simplified.

Because the electronic control unit 20 As described above can be made thinner, the electronic control unit 20 in the engine room 17 in which the installation space is limited, in a narrow space adjacent to the flat part 19d the battery 19 ie next to the battery 19 , to be placed. With the above configuration, compared with a configuration in which the electronic control unit is disposed under the battery, a position of the hood 12 , which above the engine compartment 17 is arranged to be lowered. Therefore, a center of gravity of the vehicle 10 be lowered. In addition, a design feature can be improved. In the present embodiment, a driver's view can be improved because the electronic control unit 20 in the engine room 17 is arranged.

The opening 41 of the housing 31 in other words, the connector 32 is above the bottom wall part 40 arranged. Therefore, the harnesses do not have to be wired up from a lower side as in a configuration in which the electronic control unit is disposed under the battery. Therefore, the lengths of the harnesses can 22 and 23 be shortened.

As described above, according to the present embodiment, in the electronic control unit 20 which is adjacent to the battery 19 is arranged, a position of the hood 12 on the engine room 17 be prevented from being taller while the wiring harnesses 22 and 23 can be prevented from being longer.

A heat of the board 30 is over the metal case 31 to the insertion part 50 and the plate spring parts 51 transferred. Therefore, the heat of the board 30 efficiently from the insertion part 50 and the plate spring parts 51 , which are made of metal, to be radiated. In addition, the heat remains in a lower part of the engine compartment 17 hang, and the temperature in the lower part is higher than that in the upper part. Therefore, the heat of the board 30 be efficiently radiated compared with the embodiment in which the electronic control unit is disposed under the battery.

In addition, in the present embodiment, the housing 31 shaped into a trapezoidal shape when viewed from the Z direction. In other words, substantially the entire surfaces of the bonding surfaces 43d through the sloping parts 43e educated. According to the above embodiment, the housing becomes 31 simply on the holder 33 fixed. For example, after the case 31 in a state in which the pair of plate spring parts 51 opened slightly by application of an external force, moved to a predetermined position in the Z-direction, the application of the external force to be lifted to the housing 31 on the holder 33 to fix. Compared with the embodiment in which the bonding surfaces 43d only partially the oblique parts 43e have and look at the remaining parts of the connection surfaces 43d extend along the X direction (ie not the oblique part 43e have) is the case 31 simply trained. If an angle between each plate spring part 51 and the insertion part 50 to the lower end of the plate spring part 51 in a predetermined range from the upper end of the plate spring parts 51 The housing can be reduced more 31 be moved to the predetermined position without the application of the external force. As described above, even if a wedge-shaped or a hemispherical projection on a contact surface of each plate spring member 51 is formed, the housing 31 be moved to the predetermined position without the application of the external force.

In the present embodiment, the holder has 33 the carrier part 52 , and the case 31 is from the carrier part 52 carried. That's why the case can 31 be prevented from deviating downward with the application of a vehicle vibration. In other words, the housing 31 be fixed more stable. In particular, in the present embodiment, the through holes are 53 in the respective carrier parts 52 defined, and the housing 31 is above the respective through holes 53 with screws on the support parts 52 attached. As described above, the housing becomes 31 hardly from the holder 33 ie the vehicle 10 , removed because of the housing 31 under the bottom wall part 40 is fastened with the screws. That's why the case can 31 which the board 30 includes, be prevented from, the engine room 17 removed (eg stolen). In particular, in the present embodiment, the heat of the board 30 also to the carrier part 52 over the bottom wall part 40 of the metal housing 31 transferred because of the carrier part 52 made of metal material. Therefore, the heat of the board 30 be radiated efficiently.

Furthermore, the holder has 33 in the present embodiment, the lateral plate parts 57 , The side plate parts 57 are with the insertion part 50 or the plate spring parts 51 connected and extend from the insertion part 50 in a direction away from the plate springs 51 extends. Therefore, the plate spring parts 51 and the insertion part 50 be prevented because of the weights of the board 30 and the housing 31 fall off. In other words, that can be the board 30 containing housing 31 more stable next to the battery 19 being held. In particular, in the present embodiment, the heat of the board 30 also to the side plate parts 57 transferred because the side plate parts 57 made of metal material. As described above, a thermal mass of the entire holder increases 33 , and the heat of the board 30 can be radiated more effectively. The thermal mass represents a heat absorptive volume.

Further, in the present embodiment, the holder 33 the bottom plate part 55 and can the battery 19 wear. In particular, in the present embodiment, the heat of the board 30 also to the bottom plate part 55 transferred because of the bottom plate part 55 made of the metal material. As described above, a thermal mass of the entire holder increases 33 , and the heat of the board 30 can be radiated more effectively.

In the present embodiment, the tray part is 54 with the bottom plate part 55 and the lateral plate parts 57 trained, and not just the case 31 but also the battery 19 can from the holder 33 be worn. In particular, in the present embodiment, the insertion part 50 , the plate spring parts 51 and the carrier parts 52 as well as the components (bottom plate part 55 , side plate parts 56 . 57 ) of the tablet part 54 which the battery 19 carries, formed as parts of the same metal plate. Therefore, the training of the tray part 54 including holder 33 be simplified. The heat of the board 30 can to the entire tablet part 54 be radiated. In other words, in the present embodiment, the tray part 54 as the heat radiation path of the heat leading to the holder 33 has been transferred.

11 and 12 represent thermal analysis results (simulation results) 12 is for simplicity's sake the battery 19 omitted. As in 11 and 12 most of it is represented by the one from the board 30 generated heat from the insertion part 50 and the plate spring parts 51 absorbed. The heat also becomes part of the bottom plate part 55 and the lateral plate parts 57 which the tablet part 54 form over the insertion part 50 and the plate spring parts 51 , transferred. It is found that the thermal mass due to in the holder 33 included tray area 54 has a limit. In other words, even if the heat to the tray area 54 is transferred, a temperature of the battery changes 19 not big.

Further, in the present embodiment, the housing 31 the electronic control unit 20 in addition to the battery formed as a box-shaped element 19 arranged. In the engine room 17 is the battery 19 not in the periphery of the internal combustion engine 18 but at a low temperature point, through which wind from the front ventilation grille 15 flows. Therefore, with the arrangement of the board 30 next to the battery 19 a temperature rise of the board 30 be effectively suppressed.

Meanwhile, the housing can 31 adjacent to the long side surface 19b under the side surfaces of the battery 19 be arranged. However, if the housing is adjacent to the long side surface 19b is arranged, the wiring harnesses must 22 and 23 with the avoidance of the hook elements 25 be wired. For this reason, the lengths of the wiring harnesses 22 and 23 longer. In addition, a space is needed for wiring. In contrast, in the present embodiment, because the housing 31 adjacent to the short side surface 19c the battery 19 is arranged, the lengths he harnesses 22 and 23 also be shortened.

Second Embodiment

An explanation about with the electronic control unit 20 The previous embodiment common parts is omitted in this embodiment.

As in 13 shown, includes the control unit 20 This embodiment further compared with the first embodiment, a heat insulating component 60 for limiting heat exchange between the board 30 and the battery 19 , In 13 is a representation of the battery 19 simplified, and a representation of the clamp element 24 , the hook element 25 and the closure part 59 is omitted for the sake of simplicity. Furthermore, the plate spring part 51 with the insertion part 50 connected from the upper end to the lower end in the Z direction.

A common heat insulating component such as a polypropylene sheet-made sheet may be used as the thermal insulating component 60 for the vehicle 10 used become. The thermal insulation component 60 is at least between the flat part 19d and the insertion part 50 where the battery is 19 and the holder 33 are opposite each other, arranged. The thermal insulation component 60 can work on five surfaces, except for the top surface 19a , the battery 19 may be arranged, which has the shape of an approximately rectangular parallelepiped. In this embodiment, the heat insulating component is 60 on the five surfaces, z. B. the side surfaces 19b and 19c and the bottom surface of the battery 19 arranged. In detail, the thermal insulation component 60 between the insertion part 50 and the short side surface 19c , between the side plate part 57 and the long side surface 19b , between the side plate part 56 and the short side surface 19c and between the bottom plate part 55 and the bottom surface arranged.

The thermal insulation component 60 can be arranged, the substantially entire surfaces of the installed battery 19 cover. An opening may be in a part of the thermal insulation component 60 be defined, and heat can be from the battery 19 be radiated, or the battery 19 can from the front ventilation grille 15 be ventilated.

As described above, according to the configuration which the heat insulating component 60 has, at the electronic control unit 20 the heat of the electronic control unit 20 to the battery 19 transferred, and the temperature of the battery 19 can be prevented from exceeding a predetermined management temperature.

If at least part of the tablet part 54 made of resin as described above, the heat insulating component becomes 60 not needed for a resin made part. For example, the thermal insulation component becomes 60 not needed on the bottom surface side when the bottom plate part 55 made of resin.

(Third Embodiment)

An explanation of parts of the electronic control unit 20 of the previous embodiment are omitted.

That's the board 30 and the connector 32 containing housing 31 is based on 14 to 17 explained. In 16 and 17 is the connection 32b of the connector 32 omitted for simplicity.

The housing 31 This embodiment has a middle housing 61 , an upper case 62 and a lower housing 63 , The upper case 62 is on one side of the middle housing 61 arranged in the X direction, and the lower case 63 is opposite the upper case 62 through the middle housing 61 arranged in the X direction. That is, the case 31 is made up of several components. The middle case 61 , the upper case 62 and the lower case 63 correspond to a variety of housing components. The housing 31 has a pair of pickup parts 64 , which is the corresponding plate spring part 51 touched.

The middle case 61 is an object molded with plastic material. In this embodiment, the middle housing 61 made of a thermoplastic resin excellent in heat resistance, such as polybutylene terephthalate (PBT).

The middle case 61 has an annular shape around a penetration hole 61a around, which runs in the X direction. For this reason, the middle housing 61 also be called a frame object. In particular, as in 15 and 16 shown the middle case 61 the shape of an approximately rectangular ring. As in 14 the case is shown 32a of the connector 32 with the middle housing 61 connected. In other words, the housing 32a integral (integral, fixed) as a part of the middle housing 61 educated. However, the shape of the middle housing 61 not limited to the above. For example, the middle housing 61 have a C-shape, and the housing 32a may be at the opening (the gap) of the C-shape of the middle case 61 be arranged. In this case, the middle case 61 and the case 32a be firmly joined (sealed) by welding.

As in 15 and 16 shown has the middle case 61 a frame part 65 in the shape of about a rectangular ring and at four corners of the inner periphery of the frame part 65 defined base part 66 , In 15 a broken line shows the inner peripheral edge 61b of the middle housing 61 , In 16 a dashed line shows the base part 66 ,

The thickness of the frame part 65 in the X-direction is almost constant in all the circumferences. As in 14 shown is the base part 66 with the frame part 65 in the same plane at the to the upper case 62 connected to adjacent side. In contrast, at the bottom of the housing 63 adjacent side of the base part 66 from the lower case 63 spaced, while the frame part 65 not from the lower case 63 is spaced so that a step between the base part 66 and the frame part 65 is trained. This means, the thickness of the base part 66 is thinner than the thickness of the frame part 65 in the X direction. This creates a predetermined gap between the base part 66 and the lower case 63 Are defined.

As in 14 and 16 shown is the board 30 on the surface of the base part 66 adjacent to the lower housing 63 arranged and on the base part 66 (middle housing 61 ) fixed. The procedure for fixing the board 30 is not limited. For example, the board will 30 on the base part 66 fixed by gluing, a screw or similar. A predetermined gap is between the board 30 and the lower case 63 defined in the state in which the board 30 at the middle housing 61 is fixed.

The upper case 62 is made of metal material. In this embodiment, the upper housing forms 62 the shape of a plate. The upper case 62 is on the frame part 65 and the base part 66 fixed to an opening end of the penetration hole 61a close. The outer shape of the upper case 62 is mostly in agreement with the peripheral end of the middle housing 61 seen in the X direction. Therefore, the upper housing forms 62 the side wall part 42 which is the back surface 43c Has. That is, a surface of the upper case 62 opposite to the middle housing 61 forms the back surface 43c ,

The method of fixing the upper case 62 is not limited. In this embodiment, the upper case 62 to the middle housing 61 welded. A sealing material between the upper housing 62 and the middle housing 61 is made unnecessary by the welding. The anchor effect is expected when part of the upper case 62 leading to the middle housing 61 is adjacent, on which the welding is performed, a rough surface (unevenness) z. B. by etching. Furthermore, a leak path becomes long, so that the water resistance can be improved.

The lower case 63 is similar to the upper case 62 made of a metal material. As in 15 and 17 shown has the lower case 63 the main part 67 which is the other open end of the penetration hole 61a closes, and one of the main part 67 extended extension part 68 ,

The main part 67 has the shape of a plate. The main part 67 is on the frame part 65 fixed to the opening end of the penetration hole 61a opposite the upper case 62 to close. The outer shape of the main part 67 is mainly in conformity with the circumferential end of the middle housing 61 seen in the X direction. The method for fixing the main part 67 (lower housing 63 ) is not limited. The main part 67 is to the middle housing 61 welded. Part of the lower case 63 on which the welding is carried out may have a rough surface, which is the middle housing 61 is opposite.

The extension part 68 extends outward from the main body 67 in the Y direction from the respective end of the main part 67 in the Y direction. The extension part 68 is on the two sides of the main part 67 formed in the Y direction. The extension part 68 Can be separated from the main body 67 can be produced and used with the main part 67 be connected by welding. In this embodiment, the main part 67 and the extension part 68 formed integrally from a metal plate having a predetermined thickness. The extension part 68 has the same thickness as the main part 67 and is in the same level as the main part 67 arranged. Because the receiving part 64 on the extension part 68 is formed, is the length of the extension part 68 in the Z direction depending on the length of the receiving part 64 set in the Z direction.

The side wall part 42 which is the opposite surface 43b has, is by the bulk 67 and the extension part 68 of the lower case 63 educated. The surface of the lower case 63 opposite from the middle housing 61 forms the opposite surface 43b , The bottom wall part 40 is through the middle case 61 , the upper case 62 and the lower case 63 educated.

The plate spring part 51 of the owner 33 touches the corresponding recording part 64 of the housing 31 , In other words, the receiving part receives 64 of the housing 31 the plate spring part 51 , The recording part 64 is on the surface of the lower case 63 opposite the opposite surface 43b through the extension part 68 educated. For this reason, the receiving part 64 a part of the lower case 63 be. Because the receiving part 64 in the X direction from the extension part 68 sticks out, becomes the receiving part 64 also called a projection part. The top end of the receiving part 64 is at a position between the opposite surface 43b and the back surface 43c arranged in the X direction. The recording part 64 is on each of the extension parts 68 which are on both sides of the main body 67 are arranged, formed. That's why the back surface is 43c between the recording parts 64 arranged in the Y direction.

In this embodiment, the receiving part 64 separated from the extension part 68 manufactured as another component and on the extension part 68 z. B. fixed by welding. The recording part 64 has the shape of an approximately square pillar and has a predetermined length in the Z direction. In this embodiment, the receiving part 64 slightly shorter than the main body 67 in the Z direction. The recording part 64 and the extension part 68 may be formed as a one-piece component made of the same metal plate having the corresponding shape.

Next is the holder 33 on which the housing 31 is fixed based on 18 to 21 be explained. In 19 and 21 is the tablet part 54 of the owner 33 omitted for simplicity. In 19 is the connection 32b of the connector 32 omitted for simplicity.

The holder 33 has the insertion part 50 and the pair of plate spring parts 51 similar to the first embodiment. In this embodiment, the plate spring member corresponds 51 a bent part. The plate spring part 51 extends in the X direction to the rear surface 43c from the respective end of the insertion part 50 in the Y direction and is with respect to the insertion part 50 bent to the insertion part 50 to face in the X direction. In particular, as in 19 and 20 shown, the plate spring part 51 bent, parallel to the insertion part 50 to be. For this reason, make the insertion part 50 and the plate spring part 51 the U-shape (C-shape, if seen in a different orientation). The plate spring part 51 can be elastically deformed in the X direction.

A distance between the plate spring part 51 and the insertion part 50 , which are opposite to each other, is shorter than the sum of the thickness of the lower case 63 and the height of the receiving part 64 in the state in which the housing 61 is not arranged. For this reason, as in 19 and 20 shown with arrows, the plate spring part 51 a bearing force, which is caused by the elastic deformation, on the corresponding receiving part 64 in the state in which the plate spring part 51 in contact with the tip end of the receiving part 64 is, ie, the state in which the receiving part 64 between the plate spring part 51 and the insertion part 50 will be carried. The plate spring part 51 has a predetermined length corresponding to the receiving part 64 in the Z direction. Further, a projection such as a wedge or a hemisphere may be formed on the contact surface of the plate spring member 51 be formed to improve a mounting property. A projection, such as a wedge or hemisphere, may be at the tip end of the receiving part 64 be provided. Furthermore, the receiving part 64 have a tapered shape in which the protrusion height gradually (gradually, progressively) changes to make it easy, the receiving part 64 with the holder 33 to build together.

As in 18 . 19 and 21 shown has the holder 33 the carrier part 52 , The carrier part 52 is formed with the receiving part 64 to overlap seen from the Z direction. A screw (not shown) enters the penetration hole 53 the carrier part 52 pushed and with a screw hole (not shown) of the receiving part 64 engaged so that the housing 31 on the support part 52 is fixed.

According to the third embodiment, advantages similar to the electronic control unit 20 in which. first embodiment can be generated. In particular, the tip end of the receiving part 64 where the plate spring part 51 touched, at a position between the opposite surface 43b and the back surface 43c positioned in the X direction. The pair of plate spring parts 51 is configured to be elastically deformable in the X direction to provide a bearing force, and the pair of plate spring parts 51 can be the bearing force on the pair of receiving parts 64 give each one near the two end of the case 31 are arranged in the Y direction. Therefore, because of the bearing force, the lower housing 63 where the receiving part 64 is fixed, ie the housing 31 in the X direction to the insertion part 50 can be pressed and held on the holder 33 be fixed. Therefore, the electronic control unit 20 are made thin in the X direction compared with a structure in which a screw for fixing a holder to a housing in the X direction is used, and a structure in which an opposite surface and a back surface are supported by a holder ,

Thereby, as in the first embodiment, the electronic control unit 20 in the narrow space next to the battery 19 in the engine room 17 to be ordered. That is, the position of the hood 12 can be made low. Furthermore, since the connector 32 is arranged higher than the bottom wall part 40 to be the length of the harnesses 22 and 23 be shortened. In addition, since the plate spring part 51 the receiving part 64 , which is made of metal, touches heat of the board 30 also efficient over the receiving part 64 and the plate spring part 51 are radiated to the holder.

In this embodiment, the housing 31 out of three in the X direction made of assembled pieces. The middle case 61 is a resin molded product, and the upper case 62 and the lower case 63 are to the middle case 61 welded. Therefore, a sealing material between the middle housing 61 and the upper case 62 and between the middle housing 61 and the lower case 63 be made unnecessary. This allows the housing 31 be made thin in the X direction, and the electronic control unit 20 can be made thin in the X direction. Furthermore, the structures of the upper housing 62 and the lower case 63 , which are made of metal, can be simplified to the housing 31 to build.

The housing 31 is not limited to being formed from the three pieces. For example, the housing 31 be formed of two pieces. In this case, the recording part 64 be formed on one of the two pieces. The position of the receiving part 64 is not on a surface of the lower case 63 opposite to the opposite surface 43b limited. The position of the receiving part 64 is not limited while the back surface 43c between the recording parts 64 is arranged in the Y direction and between the opposite surface 43b and the back surface 43c is arranged in the X direction. For example, the connection surface 43d of the housing 31 a step part as the receiving part 64 to have. In this embodiment, one is on the receiving part 64 acting stress (stress) hard, to the board 30 to be transferred because the receiving part 64 separated from the middle housing 61 is arranged, on which the board 30 is fixed.

The thermal insulation component 60 is also combinable with this embodiment.

(Fourth Embodiment)

An explanation of parts which the electronic control unit shown in the previous embodiment 20 are common, is omitted.

In the third embodiment, the pair of plate spring parts 51 elastically deformed to the bearing force on the respective receiving part 64 to give. In this embodiment, a pair of receiving parts 69 elastically deformed to the bearing force on the respective bent part 70 to give.

As in 22 the receiving part is shown 69 elastically deformed to the bearing force the insertion part 50 and the bent part 70 to provide, with the receiving part 69 between the insertion part 50 and the bent part 70 is inserted. The other embodiment is the same as in the third embodiment. The modifications described in the third embodiment are applicable to this embodiment.

The pair of bent parts 70 has essentially the same design as the plate spring parts 51 of the third embodiment except for the point of having no elastic deformation function. That is, the bent part 70 extends from the respective end of the insertion part 50 in the Y direction to the rear surface 43c in the X direction and is in relation to the insertion part 50 bent, the insertion part 50 to face in the X direction. In particular, the bent part 70 so bent that the bent part 70 approximately parallel to the insertion part 50 is. For this reason, make the insertion part 50 and the curved part 70 the C-shape. The distance between the bent part 70 and the insertion part 50 which are opposed to each other has a predetermined distance which is almost constant in the Z direction.

The pair of recording parts 69 is made of a filler (filler) for improving thermal conductivity of mixed rubber. The rubber can z. B. silicone rubber. The silicone rubber will also be called silicon rubber. The filler may include metallic fillers such as graphite, aluminum, copper and silver, inorganic fillers such as oxides, e.g. Example, alumina, or nitrides, or fillers on which a metallization is carried out relative to the surface be. So that's the recording part 69 made of rubber and has an elastic deformation function.

The height of the receiving part 69 in the x-direction is set so that the sum of the thickness of the extension part 68 and the height of the receiving part 69 longer than the distance between the bent part 70 and the insertion part 50 , which are opposite to each other, in the state before the receiving part 69 between the bent part 70 and the insertion part 50 is stored. For this reason, in the state in which the bent part 70 in contact with the tip end of the receiving part 69 is, ie in the state in which the receiving part 69 between the bent part 70 and the insertion part 50 is worn as with a dashed arrow line of 22 shown, the receiving part 69 elastically deformed and gives the bearing force to the corresponding bent part 70 and the insertion part 50 , In addition, a protrusion such as a wedge or a hemisphere may be attached to the contact surface of the bent part 70 be defined for easy assembly. In In this case, the distance between the insertion part means 50 and the receiving part 60 a distance from the tip end of the receiving part 69 , Furthermore, a part of the receiving part 69 be tapered, where the height changes gradually, so the receiving part 69 easy with the holder 33 can be composed.

According to the fourth embodiment, the same advantages as in the electronic control unit 20 in the third embodiment. In addition, since the filler for improving a thermal conductivity in the rubber, which the receiving part 69 forms, mixed, the heat of the board 30 efficient over the receiving part 69 and the bent part 70 to the holder 33 be radiated.

The recording part 69 which is elastically deformable is not limited to be made of rubber and may be made of a metal spring. For example, a metal spring is on the lower case 63 fixed, and a resin-made contact part is defined at the tip end of the metal spring, so that the contact part of the bent part 70 touched. In a case where the receiving part 69 on the support part 52 with the screw 34 is fixed, the receiving part 69 be defined by a rubber-made elastic deformation part and on a fixed part made of metal, in which the screw hole 44 is formed, be fixed. Alternatively, as described in the third embodiment, a step portion is provided on the connection surface 43d of the housing 31 defined, and a rubber-made component is at the step part as the receiving part 69 fixed.

It should be understood that the present invention is not limited to the embodiment described above and can be modified as appropriate within the scope of the appended claims.

The housing 31 is next to the short side surface 19c the battery 19 arranged but not limited to this arrangement. The housing 31 can be next to the long side surface 19b be arranged.

As the box-shaped element is the battery 19 However, it is not limited to this embodiment. As another case, when the box-shaped member has a flat part as a part of a side surface and in a through the partition wall 16 is arranged from a vehicle compartment separated space, the present invention are applied to such a box-shaped element. For example, the internal combustion engine 18 , the relay box 21 or an air cleaner can be used as the box-shaped member.

As the room becomes the engine room 17 in which the internal combustion engine 18 is placed, shown, and the hood 12 is shown as a cover over the room. However, the present invention is not limited to these embodiments. A room in which the internal combustion engine 18 is not arranged, can be used. For example, if the internal combustion engine 18 not installed as a drive source, e.g. For example, as in fuel cell vehicles or electric vehicles, a space in which, for example, a fuel cell or a motor is placed as the drive source may be used. When the internal combustion engine 18 is not installed, the cover over the room is also called "cover".

The present invention is not limited to a configuration in which the internal combustion engine 18 is arranged in front of the vehicle interior, but may be of a configuration in which the internal combustion engine 18 is arranged behind the vehicle interior, to be applied. In other words, the engine compartment arranged behind the vehicle interior 17 be formed as the room.

The engine ECU is called the electronic control unit 20 but is not limited to this embodiment. The present invention can be applied to the other electronic control units.

The holder 33 includes the insertion part 50 , the plate spring parts 51 (the bent part 70 ), the carrier parts 52 , the bottom plate part 55 and the side panel parts 56 . 57 , However, the holder can 33 at least the insertion part 50 and the plate spring parts 51 (the bent part 70 ). For example, a configuration which includes only the insertion part 50 , the plate spring parts 51 (the bent part 70 ) and the side plate parts 57 includes, are used. Alternatively, a configuration containing only the insertion part 50 , the platen feather parts 51 (the bent part 70 ) and the bottom plate part 55 includes, used. In addition, an embodiment in which only the lateral plate part 56 from the tablet part 54 eliminated is used.

To heat exchange from the board 30 to the housing 31 For example, heat dissipation material can be excellent in thermal conductivity such as potting material or heat dissipation gel in the interior of the housing 31 be arranged.

Such changes and modifications are to be understood to be within the scope of the present invention as defined by the appended claims.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• JP 2008-81016 A [0003, 0004]

Claims (11)

Electronic control unit, which in one by a department ( 16 ) separated from a vehicle interior of a vehicle and under a hood ( 12 ) space ( 17 ) next to a box-shaped component ( 19 ), which are on one side ( 19b . 19c ) a flat part ( 19d ), the electronic control unit comprising: a holder to be attached to the vehicle ( 33 ); a board ( 30 ); a housing ( 31 ), which is made of metal and has a pocket shape, wherein the housing receives the board and has a bottom wall part ( 40 ) at one end in a depth direction, and an opening ( 41 ) at the other end in the depth direction; and a connector attached to the board and disposed at the opening of the housing ( 32 ) to electrically connect the board to an external device, wherein a direction perpendicular to the depth direction and the flat part is defined as a thickness direction, and a direction perpendicular to the depth direction and the thickness direction is defined as a width direction, the housing next to the flat part is arranged such that the opening is arranged on an upper side of the bottom wall part, and has an outer surface which is formed of a bottom surface ( 43a ), which is an outer surface of the bottom wall part, an opposite surface (FIG. 43b ), which is arranged to lie opposite the flat part, has a rear surface ( 43c ) opposed to the opposite surface in the thickness direction, and a pair of bonding surfaces (FIG. 43d ) connecting a respective end of the opposite surface in the width direction with a respective end of the rear surface in the width direction, each of the pair of joint surfaces has an inclined part (FIG. 43e ), where a gap of the pair of joining surfaces becomes narrower in the width direction when approaching the rear surface in a predetermined range in the thickness direction and the depth direction, the carrier has an insertion part (FIG. 50 ) made of metal and interposed between the flat part and the opposite surface, and a pair of bent parts (FIG. 51 ) made of metal and extending from a respective end of the insertion part in the width direction and bent to face the insertion part in the thickness direction, the pair of bent parts being elastically deformed by touching the respective inclined part to one another To provide support force on the respective oblique part. The electronic control unit according to claim 1, wherein the housing has a trapezoidal shape when viewed in the depth direction. Electronic control unit, which in one by a department ( 16 ) of a vehicle interior of a vehicle and under a hood ( 12 ) space ( 17 ) next to a box-shaped component ( 19 ), which is a flat part ( 19d ) on one side ( 19b . 19c ), the electronic control unit comprising: a holder to be attached to the vehicle ( 33 ); a board ( 30 ); a connector ( 32 ) mounted on the board for electrically connecting the board to an external device; and a housing ( 31 ) receiving the board and a part of the connector, the housing having a bottom wall part ( 40 ) at one end in a depth direction, wherein the connector is disposed at the other end of the housing in the depth direction, wherein a direction perpendicular to the depth direction and the flat part is defined as a thickness direction, and a direction perpendicular to the depth direction and Thickness direction is defined as a width direction, wherein the housing is arranged adjacent to the flat part so that the connecting piece is arranged on an upper side of the bottom wall part, the housing having an opposite surface ( 43b ), which is arranged to lie opposite the flat part, has a rear surface ( 43c ) facing in the thickness direction of the opposite surface, and a pair of receiving parts (FIG. 64 . 69 ) between which the rear surface is arranged in the width direction, the holder has an insertion part ( 50 ) made of metal and interposed between the flat part and the opposite surface, and a pair of bent parts (FIG. 51 ) made of metal and extending from a respective end of the insertion part in the width direction and bent to face the insertion part in the thickness direction, wherein the pair of bent parts in contact with the respective receiving part at a position between the rear Surface and the opposite surface in the thickness direction, and one of the pair of receiving parts and the pair of bent parts is elastically deformed to provide a bearing force on the other of the pair of receiving parts and the pair of bent parts in one state in which the respective receiving part between the Inserting part and the respective bent part is worn. The electronic control unit of claim 3, wherein the housing is comprised of a plurality of housing components ( 61 . 62 . 63 formed in the thickness direction, the plurality of housing components is a metal-made lower housing (FIG. 63 ), wherein the lower housing forms the opposite surface, and the pair of receiving parts is defined on a surface of the lower housing opposite to the opposite surface. Electronic control unit according to one of claims 1-4, wherein the holder has a first carrier part ( 52 ), which carries the bottom wall portion of the housing. The electronic control unit according to claim 5, wherein the first support part has a through hole (FIG. 53 ) for fixing the housing to the first support part. Electronic control unit according to one of claims 1-6, wherein the carrier comprises a reinforcing part ( 57 ), which extends from the insertion part in the thickness direction away from the respective bent part, and the reinforcement part is connected to the respective bent part or the respective end of the insertion part in the width direction. Electronic control unit according to one of claims 1-7, wherein the holder has a second carrier part ( 55 ), which carries the box-shaped component. An electronic control unit according to any of claims 1-8, further comprising: a thermal insulation component ( 60 ) to limit heat exchange between the board and the box-shaped component, the heat-insulating component being disposed at least between the flat part and the insertion part where the box-shaped component and the holder face each other. An electronic control unit according to any one of claims 1-9, wherein the box-shaped component is a battery having four sides, and the opposite surface of the housing is arranged to face one of the four sides of the battery. The electronic control unit according to claim 10, wherein the battery has a pair of long sides and a pair of short sides, in which a length of the short sides is shorter than that of the long side in a direction perpendicular to the depth direction, a fixing device (FIG. 24 . 25 ) for fixing the battery to the vehicle on one of the long sides, and the opposite surface of the housing is arranged to face one of the short sides of the battery.

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