JP2001315591A - Installing structure of onboard electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installing structure of onboard electronic equipment for improving wiring connecting workability and reducing the cost even if plural onboard electronic equipments are separately and dispersively arranged on both sides of a partition wall member. SOLUTION: This installing structure is provided with a space part a being formed in the partition wall member (a cowl top 6) for dividing an engine room 2 and a cabin 3 and having both sides opening toward the engine room and the cabin and an equipment housing vessel 7 housed in the space part a and incorporated with control function parts A1 through A5 of the respective on-vehicle electronic equipment arranged at least in the engine room 2 and the cabin 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting on-vehicle electronic devices, and more particularly, to a structure for mounting on-vehicle electronic devices suitable for mounting a plurality of on-vehicle electronic devices on a vehicle body.

[0002]

2. Description of the Related Art A vehicle is equipped with a large number of in-vehicle electronic devices in an engine room or a passenger compartment. For example, an engine control device for controlling the driving of an engine in all driving ranges, and a gear stage is switched according to road conditions. Transmission control device to control, anti-skid brake device to prevent wheel lock during braking (AB
S device), a door opening / closing control device for controlling a door lock state and the like, a seat position control device for adjusting a sitting posture of each seat according to an occupant, and various other in-vehicle electronic devices. Each of these devices has various sensors,
A plurality of control relays and the like connected to the drive unit of the actuator for driving the electronic device are provided, and these are connected to the associated electronic control units via wiring.

For example, it is assumed that a vehicle includes a plurality of on-vehicle electronic devices, and respective electronic control units are respectively provided on both sides of a partition member. In this case, power supply wiring from a power supply circuit provided on one side of the partition member and input signal wiring from a sensor shared by a plurality of electronic control units are respectively guided to the junction block, where the number of electronic control units is determined. Only the power supply wiring and the input signal wiring are branched. Then, each branch portion of the power supply wiring and the input signal wiring from the junction block is extended and connected to each electronic control unit located on one side of the partition member. Moreover, the other branch portions of the power supply wiring and the input signal wiring are bundled as a wire harness, inserted into the through hole of the partition member, and connected to the other electronic control units located on the other side of the partition member. . When a plurality of electronic control units are provided separately on both sides of the partition member, power supply wiring and input signal wiring from each sensor are bundled as a wire harness, and wiring work for passing through the through hole of the partition member. Is required, which involves a large number of detours and takes time for work, which is disadvantageous in terms of cost.

[0004] Japanese Patent Publication No. 2-30901 discloses that
An electric connection box is disclosed in which a fuel injection control unit and an antilock brake control unit are mounted at respective positions so as to penetrate a partition member that separates an engine room and a vehicle compartment. Here, wiring extending from sensors and relays in the engine room is connected to the engine room facing portion of each electronic control unit, and wiring extending from sensors and relays in the vehicle compartment is connected to the vehicle room facing portion. As a result, the number of man-hours for arranging the wire harness is reduced, and the assembling workability is improved. Further, JP-A-6-206503 discloses that an engine control unit is mounted in a closed space of a dash panel, and a wiring extending from a sensor or a relay on an engine room side is connected to the engine control unit. Has been improved.

[0005]

Problems to be solved by the Invention
Each electronic control unit used in the conventional mounting structure of the on-vehicle electronic device disclosed in Japanese Patent Application Laid-Open No. 0901 and Japanese Patent Application Laid-Open No. 6-206503 is independently distributed on the partition member side. Here, the power supply wiring and the wiring extending from each sensor or relay are all branched by the number of each electronic control unit, and each branch wiring extends to each electronic control unit and the extension is connected. In addition, since there are many overlapping wiring portions and a problem is likely to occur in securing a wiring space, wiring workability is low and cost is disadvantageous.

Further, an electronic control unit, which is a vehicle-mounted electronic device, usually includes a control microcomputer, a power supply circuit, an input circuit connected to a large number of sensors via input signal wiring, and a drive unit of a drive actuator. An output circuit is connected to each of the connected control relays via output signal wiring. Therefore, when multiple electronic control units are used, the power supply wiring and the input signal wiring from the sensor are duplicated, and the power supply circuit and input signal circuit in each electronic control unit are also duplicated. In order to achieve this, improvements are desired. The present invention is based on the above-mentioned problem, and even when a plurality of in-vehicle electronic devices are distributed on both sides of a partition member, wiring connection workability is good and cost-effective assembling of in-vehicle electronic devices can be achieved. The purpose is to provide a structure.

[0007]

In order to achieve the above-mentioned object, an assembly structure of an on-vehicle electronic device according to the first aspect of the present invention is formed on a partition wall member for dividing an engine room and a vehicle compartment, A space that opens on both sides toward the engine room and the vehicle compartment, and a device housing that is housed in the space and incorporates at least the control function unit of each vehicle-mounted electronic device provided in the engine room and the vehicle room. And a container.
As described above, the device storage container incorporating the control function unit of each in-vehicle electronic device can be inserted and stored in the space formed in the partition member, and the assemblability of the control function unit is improved. In addition, the wiring bundle from the engine room and the vehicle compartment can be easily introduced and connected to the control function unit in the device storage container through the opposing portions of the engine room and the vehicle room of the device storage container, and the wiring connection workability is improved. I do. In addition, the power supply wiring and each signal wiring from the power supply and sensors to the equipment storage container are unified, drawn into the equipment storage container, and branched into the equipment storage container to control the on-vehicle electronic devices. Power wiring and signal wiring can be integrated and shared, for example, the bus bar deployed in the equipment container can be unified, and unnecessary redundant wiring and detour wiring can be eliminated.
Wiring workability is good and cost can be reduced.

Preferably, a pair of wiring introducing members for guiding the respective wiring bundles respectively extending from the engine room and the vehicle compartment to the control function portion are provided at respective opposed portions of the engine housing and the engine room and the vehicle room. May be attached to each.
In this case, the wiring bundles extending from the engine room and the passenger compartment, respectively, are connected to the control function units of the in-vehicle electronic devices via the wiring introducing members, so that the workability of wiring connection is improved. Preferably, the partition member is a cowl box portion having a closed cross-section structure of a vehicle, and the space portion may be formed in the cowl box portion. In this case, the internal space of the cowl box can be effectively used. Preferably, the space portion is formed by a frame member attached to the partition member so as to penetrate the partition member. In this case, the device storage container can be inserted and housed through one opening of the space formed in the frame member, and the assemblability of the control function unit can be further improved and the support rigidity can be enhanced. Preferably, the control function unit integrates at least the control function units of the vehicle-mounted electronic devices provided in the engine room and the vehicle compartment. In this case, unifying power supply wiring and signal wiring,
Lighter weight and lower cost can be further promoted. Preferably, the control function unit may include an engine control unit that controls the engine and a body control unit that controls electrical components of a vehicle body. In this case, even if a plurality of electronic control units are used, the wiring bundle from the engine room can be easily connected to the engine control unit through the opening toward the engine room, and the wiring bundle from the vehicle room can be easily opened to the vehicle room. The wiring can be easily connected to the body control unit through the wiring, the wiring workability is good, and the power supply wiring and the signal wiring can be united, reduced in weight and reduced in cost.

According to a second aspect of the present invention, in the structure for assembling a vehicle-mounted electronic device according to the first aspect, the device storage container includes a detachable case cover at least at a portion facing the engine room. In this case, the case cover can be easily opened from the front to open the portion facing the engine room, and in that state, the work of replacing fuses, relays, etc. in the portion facing the engine room provided in the equipment storage container and wiring. Connection work of the introduction member and the like can be easily performed.

According to a third aspect of the present invention, in the assembly structure for an on-vehicle electronic device according to the first aspect, a main portion disposed inside the device storage container and the main portion bent from the main portion and connected to the engine room. A bus bar having external connection terminal pieces extending along the facing portion is provided. In this case, the terminal piece for external connection is arranged in a portion facing the engine room, so that a fuse, a relay,
A mounting area for electronic device parts such as connectors can be easily secured.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a vehicle 1 equipped with a mounting structure for on-vehicle electronic equipment as one embodiment of the present invention. The vehicle 1 has an engine room 2 at the front of the vehicle body, and a vehicle room 3 and a trunk room 4 at the rear of the engine room 2. The engine room 2 and the vehicle room 3 are connected to a dashboard 5 (see FIG. 2).
And a cowl top 6 continuously formed thereon.

A part of the cowl top 6 serving as a partition member is provided with an equipment storage container 7 in which main parts of a control system of the on-vehicle equipment described later are integrated and housed.

As shown in FIG. 2 and FIG.
Is a rectangular frame formed by the outer panel 601 and the inner panel 602 to form a long closed space e in the vehicle width direction Y (in FIG. 2, the direction perpendicular to the paper surface). And the front and rear ends of the frame member 10 are integrally joined to both the outer and inner panels 601 and 602. The frame member 10 has a space a open on both sides toward the engine room 2 and the vehicle interior 3 on the inside.
To form Here, the front opening a1 (left opening in FIG. 2) of the space portion a faces the upper space b of the engine room 2 with good workability, and the rear opening a2 (right opening in FIG. 2) of the instrument panel (not shown). It faces the lower space c. The device storage container 7 is inserted and fitted into the space a of the frame member 7 from the front side opening a1, and a pair of mounting flanges 121 described later is fixed to the front wall of the cowl top 6 with fastening bolts (not shown). ing.

As shown in FIGS. 2 and 3, the device storage container 7 can be attached to and detached from the case main body 8 and an upper lid 9 which can be integrated on the upper part of the case main body 8 and which is opposed to the front part of the case main body 8. And a front cover 11 as a case cover.

The case body 8 includes a rectangular cylindrical front frame portion 12 having a flat front portion, a cylindrical front half portion 13 extending downward and obliquely forward from one side wall of the front frame portion 12, and a front frame portion 12. Vertical wall 15 forming a portion facing the engine room on the rear end side
And a base frame portion 14 extending rearward from a lower portion of the rear edge of the front frame portion 12. At the left and right side edges of the base frame portion 14, engagement grooves 16 long in the front-rear direction to be fitted with the right and left lower end edges 901 of the upper lid 9 are respectively formed. The upper lid 9 is a lid having a cross section orthogonal to the front-rear direction X and having an inverted U-shape when viewed in a cross section orthogonal to the front-rear direction X. A joining flange 17 is formed at the front edge of the upper lid 9. Is formed so as to uniformly contact the inverted U-shaped bent concave groove 18, thereby closing the upper region of the base frame portion 14 with the rear opening q (see FIG. 3) formed. Is formed. The upper lid 9 is the case body 8
Are formed at a plurality of locations so that they can be tightened by fixing means such as screws (not shown).

On one side of the front edge of the upper lid 9, there is formed a cylindrical rear half 19 extending downward and obliquely forward from the same. Here, the front notch edge of the cylindrical rear half portion 19 is formed so as to be able to form the cylindrical portion p by joining to the rear notch edge of the cylindrical front half portion 13. In this case, the cylindrical front half portion 13 and the cylindrical rear half portion 19 can abut at a position where the joining flange 17 uniformly abuts the bent concave groove 18, and a bellows-like grommet (not shown) is formed on the cylindrical portion p formed here. Is fitted. The grommet has a shape capable of sealing the gap between the inner wall of the cylindrical portion and the wire harness w inserted therein and also covering the joint gap between the cylindrical front half 13 and the cylindrical rear half 19.

An annular sealing member 35 is fitted over the entire front edge of the rectangular front edge of the front frame portion 12, and is formed so that the peripheral edge portion of the front cover 11 is uniformly contacted therewith. A clip member 36 made of an elastic metal plate is attached to two places on the outer peripheral wall of the front frame portion 12.
When the peripheral edge of the clip member 36 is pressed toward the seal member 35, the hook 361 of each clip member 36 is elastically deformed, and the peripheral edge of the front cover 11 can be locked. The vertical wall 15 is provided with a mounting portion d for a plurality of fuses 21, a mounting portion g for a fusible link 22 for a drive circuit, and a connection terminal 42 to be described later on a portion facing the engine room which is a front wall surface. Terminal pieces 232 for external connection of the L-shaped bus bar 23 described later on the wall surface
Is installed. Further, in some cases, a connection portion of a connector connected to a wire harness (not shown) may be provided on the front wall surface of the vertical wall 15. Each of the fuses 21 and the fusible link 22 which are the electronic device parts of this portion
Are formed so as to be connectable so that the external connection terminal strip 232 side is used as a power supply wiring.

The base frame portion 14 includes a base frame main body 141 and an upper base frame 142 which is overlapped and joined on the upper side of the base frame body 141, and has a central hole 25 long in the front-rear direction X at the center of both. The upper base frame 142 is formed with an uneven upper surface, and forms a mounting portion for a large number of electronic components. The upper base frame 142 and the base frame main body 141 forming the lower outer frame are integrated at a portion other than the central hole 25 to form a thick plate.
In the center hole 25, a bus bar 23 made of an L-shaped conductive metal bar, which is a part of the power supply wiring, is provided. The L-shaped bus bar 23 has a main portion 231 that is long in the front-rear direction X, and an external connection terminal piece 232 that is bent from the front end portion and extends upward along the rear wall surface of the vertical wall 15 and in the vehicle width direction Y. Is formed. An integrated ECU 27, a plurality of relays 28, and various drive circuits (not shown) and other electronic devices (not shown), which form a control device for on-vehicle equipment, which will be described later, are provided in a mounting portion of the upper base frame 142 for electronic components. The integrated ECU 27 is provided on a central circuit board 28 screwed to the upper base frame 143. A wire harness (wire bundle) w extending from the engine room 2 is connected to a portion facing the engine room, which is a front end of the central circuit board 28, via a front connector 29 as a wiring introduction member, and a rear end. A wire harness (wire bundle) w extending from the vehicle compartment 3 is connected to a portion facing the vehicle compartment via a rear connector 31 as a wire introducing member.

Here, the front and rear connectors 29 and 31 are pulled into the equipment housing 7 with the respective wiring side halves 291 and 311 connected to the wire harness w, and inserted into the board side halves 292 and 312. Be combined. In particular, the wire harness w from the engine room 2 is drawn into the equipment storage container 7 before the upper lid 9 is attached, and after the connector 29 is connected, the upper lid 9 is overlaid on the case body 8,
The wire harness (wiring bundle) w is integrated in a state where it is housed in a cylindrical portion p including a cylindrical front half portion 13 and a cylindrical rear half portion 19. Note that the wire harness w from the vehicle compartment 3 is inserted and connected through the rear opening q from the lower space c side of the unillustrated instrument panel after the device storage container 7 is mounted in the space a of the frame member 8 of the cowl top 6. The Rukoto.

A power supply wiring 34 from a battery 33 as a power supply is included in a wire harness (wire bundle) w from the engine room 2, and the power supply wiring 34 is connected to the L-shaped bus bar 23 after passing through the connector 29. L-shaped bus bar 23
The main unit 231 is wired so as to function as a common power supply line for the integrated ECU 27 and the plurality of relays 28 disposed on the upper base frame 142, various drive circuits (not shown) and other electronic devices, and external connection. A plurality of fuses 21 and fusible links 2 on the vertical wall 15
It is wired so as to function as two common power supply wirings.

The vehicle 1 is equipped with various on-vehicle devices such as an engine and a driving force transmission system (not shown), a suspension system, a braking system, a body component system, a lighting system, an air conditioning system and an interior system (not shown). The control device of these on-vehicle devices is formed of on-vehicle electronic devices. In this vehicle 1, an engine control device 36, a transmission control device 37, a door lock control device 38,
Lighting equipment control device 39, air conditioning and interior equipment control device 41
Are arranged respectively. In the vehicle 1, the control function units of these on-vehicle devices are integrated and housed in a device storage container 7, and sensors for detecting the state of various on-vehicle devices and actuators for driving and operating the on-vehicle devices are distributed and disposed in each part of the vehicle body. Like that.

As shown in FIG. 5, the integrated ECU 27 includes an engine control unit A1 of the engine control unit 36, a transmission control unit A2 of the transmission control unit 37, a door lock control unit A3 of the door lock control unit 38, and a lighting device control unit. Each control function is provided as an illumination control unit A4 of the device 39 and an air conditioning and interior device control unit A5 of the air conditioning and interior device control unit 41. In addition, the integrated ECU 27 has a connection terminal 42 for writing other control programs attached to the vertical wall 15, so that a control function for other in-vehicle devices can be added.

Here, the engine control section A1 of the engine control device 36 uses a plurality of sensors S1 for operating the engine, for example, a throttle opening sensor, an engine speed sensor, a coolant temperature sensor, and the like to perform ignition, fuel supply, and the like. Calculate control target values such as exhaust gas purification, and to achieve the target values,
An engine drive actuator ac1, for example, a throttle drive motor, an idle speed control step motor, an EGR valve control electromagnetic valve, and the like are driven and controlled via an engine drive circuit dc1 with a built-in relay or switch. The shift control unit A2 of the shift control device 37 calculates a target shift speed using a sensor S2 for detecting a shift speed, for example, an inhibitor switch, and is a shift actuator ac2, for example, a shift control valve, for achieving the target shift speed. Are controlled via a transmission drive circuit dc2.

The door lock controller A3 of the door lock controller 38 includes a door control sensor S3, for example, a door lock command switch for each door, a door lock detection switch for each door, and a keyless antenna for detecting a switching signal of a keyless switch (see FIG. The target door lock state is determined using the reference numbers 2 and 3), and in order to achieve the target door lock state, each door lock actuator ac3, for example, a solenoid valve or the like is connected via a door lock drive circuit dc3. Drive control. The lighting control unit A4 of the lighting device control device 39 determines a target lighting state by using a lighting sensor S4, for example, a combination switch, an illuminance sensor or the like, and in order to achieve the target state, a lighting lamp actuator ac4 of each part of the vehicle body.
Is controlled via a lighting circuit dc4.

The air-conditioning and interior equipment control section A5 of the air-conditioning and interior equipment control device 41 includes various sensors S5 for air-conditioning and interior.
Is used to determine the target control state, and in order to achieve the target control state, the air conditioner and the actuator ac5 of the seat position adjuster as the interior equipment are air-conditioned and the interior equipment drive circuit dc5 is used.
Drive control via. The power supply wiring of the integrated ECU 27 including such control functions and the power supply wiring of each of the device drive circuits dc1 to dc5 are respectively connected to the fuse f0.
To the main part of the L-shaped bus bar 23 through f5.
A plurality of fuses 21 and fusible links 22 on the side of the vertical wall 15 are connected to the external connection terminal strip 232.

In the structure for mounting the on-vehicle electronic device of the vehicle 1 shown in FIG. 1, the engine control device 36 and the transmission control device 37
Side sensors S1, S2 and actuators ac1, ac
2 and a power supply line 34 extend from the engine room 2 side, are bundled as a front wire harness w, are connected to the integrated ECU 27 by the front connector 29, and are provided with the door lock control device 38, the lighting device control device 39, and the like. The wiring of the sensors S3, S4, S5 and the actuators ac3, ac4, ac5 on the air-conditioning and interior equipment control device 41 side extends from the cabin 3 side, is bundled as a rear wire harness w, and is integrated by the rear connector 31 with the integrated ECU 27. Connected to.

For this reason, in the mounting structure of the on-vehicle electronic device shown in FIG. 1, the integrated ECU 27 forming a plurality of control functions is stored in the device storage container 7 and inserted into the space a formed in the cowl top 6. All control functions (integrated EC)
U27) is improved. In addition, the two wire harnesses w from the engine room 2 and the vehicle compartment 3 are connected to the cylindrical portions p of the device storage container 7 on the sides of the engine room and the vehicle room facing each other.
It can be connected to the control function unit through the rear opening q and the wiring connection workability is improved. Further, it is not necessary to provide each wiring from the power supply and the sensors to the equipment storage container 7 for each control function part, and it is possible to unify the wiring into the equipment storage container 7 and to put them in the equipment storage container 7. , And can be connected to each electronic device, unnecessary redundant wiring and detour wiring can be eliminated, wiring workability is good, and cost can be reduced. In particular, here, the L-shaped bus bar 23 was able to contribute to the unification of the power supply wiring. In addition, the L-shaped bus bar 23 can constitute a power supply circuit such as a fuse or a relay in which the external connection terminal strip 232 bent and extended from the main portion 231 is disposed on the front side of the vertical wall 15, and can be connected to the engine room 2. A mounting area for electronic device parts such as fuses and relays can be easily secured on the vertical wall 15 having good workability located at the facing portion.

Front and rear connectors 2 as a pair of wiring introduction members
9 and 31 are attached to the front and rear ends of the central circuit board 28, which are the opposing portions of the engine room 2 and the vehicle compartment 3 of the equipment storage container 7, respectively. The extending wiring bundles can be easily connected to the control function units of the in-vehicle electronic devices via the front and rear connectors 29 and 31, thereby improving the connection workability. Equipment storage container 7 by effectively utilizing closed space e of cowl box 6
Since the frame member 8 accommodating the device storage container 7 is attached, the device storage container 7 can be inserted and tightened from the opening a1 in front of the space a, and the assemblability of the device storage container 7 can be further improved and the support rigidity can be enhanced. By housing fuses, relays, and the like in the device storage container 7, wiring for connecting each electronic device can be further shortened or eliminated, double wiring can be eliminated, and in this regard, wiring space can be easily secured and cost can be reduced. Can be achieved. Further, by opening the front cover 11 from the front, it is possible to easily exchange fuses, relays, and the like on the vertical wall 15 at a portion facing the engine room.

In the mounting structure of the on-vehicle electronic device shown in FIG. 1, an integrated ECU 27 which is a single control unit constituting all control function units is provided on a central circuit board 28 in the device storage container 7. Alternatively, as shown in FIGS. 6 and 7, a configuration in which all the control function units are divided into two control units and arranged may be adopted. In this case, the device storage container 7a includes the first and second circuit boards 46 and 47 on the upper base frame 142a,
An L-shaped bus bar 23a is provided below the upper base frame 142a.
An engine control unit (engine ECU) 43 serving as a control function unit of the engine control device 36 and the transmission control device 37 is provided on a first circuit board 46, and a second circuit board 47 is provided.
In addition, a body control unit (body ECU) 44 serving as a control function unit on the side of the door lock control device 38, the lighting device control device 39, and the air conditioning and interior device control device 41 is provided. At the front portion of the first circuit board 46 facing the engine room, the wiring side half 291 of the front connector 29 is connected to the wire harness w and the cylindrical portion p is placed in the equipment storage container 7a.
The wiring side half 311 of the rear connector 31 is connected to the wiring harness w at the portion of the second circuit board 47 facing the passenger compartment, which is the rear portion. Equipment storage container 7a from rear opening q
And is inserted and connected to the substrate side half 312. As shown in FIG. 7, the L-type bus bar 23a is connected to the fuses f0a and f0a 'in the control units 43 and 44, respectively.
The other components are formed in substantially the same manner as the device of FIG. 1, and the same portions are denoted by the same reference numerals,
The related members are additionally provided with the reference symbol a, and redundant description is omitted.

In this case, the control function unit on the engine room side is mounted on the engine control unit (engine ECU) 43 and the control function unit on the vehicle room side is mounted on the body control unit (body ECU) 44 without using the integrated ECU. Therefore, the wire harness w extending from the engine room 2 can be easily connected to the engine control unit 43 through the cylindrical portion p, and the wire harness w extending from the vehicle compartment 3 can be connected to the rear opening q.
3 (see FIG. 3), it can be easily connected to the body control unit 44, and also in this case, the wiring workability is good, and the power supply wiring (bus bar) and signal wiring can be simplified, lightened, and reduced in cost. Moreover, the two electronic control units 43 and 44
And the control program of each control unit can be relatively simplified.

[0031]

As described above, according to the first aspect of the present invention, it is possible to insert and house the equipment storage container in which the control function unit of each on-vehicle electronic device is incorporated in the space formed in the partition member. The assemblability is improved. In addition, the wiring bundle from the engine room and the vehicle compartment can be easily introduced and connected to the control function unit in the device storage container through the opposing portions of the engine room and the vehicle room of the device storage container, and the wiring connection workability is improved. I do. In addition, the power supply wiring and each signal wiring from the power supply and sensors to the equipment storage container are unified, drawn into the equipment storage container, and branched into the equipment storage container to control the on-vehicle electronic devices. Power wiring and signal wiring can be integrated and shared, for example, the bus bar deployed in the equipment storage container can be unified,
Unnecessary overlapping wiring and detour wiring can be eliminated, wiring workability is good, and cost can be reduced.

According to the second aspect of the present invention, since the case cover is provided, the portion facing the engine room can be easily opened by opening the case cover from the front, and the engine room provided in the equipment storage container in that state can be easily opened. The connection work of the wiring introduction member at the opposite portion of the above and the replacement work of the fuse, the relay and the like can be easily performed.

According to the third aspect of the present invention, since the bus bar having the external connection terminal strip is provided, a space for arranging a connector, a fuse, a relay, and the like connected to the external connection terminal strip in a portion facing the engine room. Can be easily secured.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a main part of a vehicle to which an on-vehicle electronic device assembling structure according to an embodiment of the present invention is attached.

FIG. 2 is an enlarged side sectional view of a device storage container used in the mounting structure of the vehicle-mounted electronic device of FIG.

FIG. 3 is an enlarged plan sectional view of a device storage container used in the mounting structure of the vehicle-mounted electronic device of FIG. 1;

FIG. 4 is a front view of a device storage container used in the mounting structure of the vehicle-mounted electronic device of FIG. 1;

FIG. 5 is a functional block diagram of an integrated ECU in the device storage container of FIG. 1;

FIG. 6 is a cutaway plan cross-sectional view of a device storage container used in a mounting structure of a vehicle-mounted electronic device as another embodiment of the present invention.

FIG. 7 is a functional block diagram of an integrated ECU in the device storage container of FIG. 6;

[Explanation of symbols]

 2 Engine room 3 Car room 6 Partition member (cowl top) 7 Equipment storage container 11 Front cover (Case cover) 23 L-shaped bus bar 232 External connection terminal strip 27 Integrated ECU 29 Front connector 31 Rear connector a Spacer A1 to A5 Control Function section

Claims (3)

[Claims] 1. A space formed in a partition member that separates an engine room and a vehicle compartment, and a space that opens on both sides toward the engine room and the vehicle compartment; And a device container in which a control function unit of each vehicle-mounted electronic device provided in the vehicle compartment is incorporated. 2. The vehicle electronic device according to claim 1, wherein the device housing has a detachable case cover at least at a portion facing the engine room. Equipment assembly structure. 3. The assembling structure of an on-vehicle electronic device according to claim 1, wherein the main portion disposed inside the device storage container is bent from the main portion and extends along a portion facing the engine room. An assembling structure for an in-vehicle electronic device, comprising: a bus bar having an external connection terminal strip protruding therefrom.