WO2014188692A1 - 電子制御ユニットおよび保護ケース - Google Patents
電子制御ユニットおよび保護ケース Download PDFInfo
- Publication number
- WO2014188692A1 WO2014188692A1 PCT/JP2014/002593 JP2014002593W WO2014188692A1 WO 2014188692 A1 WO2014188692 A1 WO 2014188692A1 JP 2014002593 W JP2014002593 W JP 2014002593W WO 2014188692 A1 WO2014188692 A1 WO 2014188692A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- fixed frame
- battery pack
- control board
- electronic control
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0039—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a tubular housing wherein the PCB is inserted longitudinally
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
- H05K5/0008—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by screws
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0239—Electronic boxes
Definitions
- This disclosure relates to an electronic control unit including a plate-like control board having an electronic control circuit on which a plurality of electronic components are mounted, and a protective case for protecting the control board and the like.
- a plurality of protrusions (ribs) on the peripheral wall of the housing are staggered in the depth direction of the housing at intervals according to the design thickness of the front and back surfaces of the control board. (Alternately), even if the control board is formed so that the plate thickness is somewhat thicker than the predetermined dimension interval of the protrusions, the control board is inserted while being curved along the rib, and the control board is placed in the housing.
- a structure for securely fixing is considered (for example, see Patent Document 2).
- an electronic control unit called an eCall unit, for example, that automatically transmits information about the operation of an airbag and detection information such as a collision sensor and a GPS receiver when a vehicle accident occurs to a predetermined center.
- Such an electronic control unit is supposed to include a backup battery (BUB) capable of always supplying power to the electronic control circuit so as to be able to cope with an emergency such as the interruption of the power supply from the on-vehicle battery. .
- BUB backup battery
- the conventional protective case has a structure in which the control board is fixed to the housing by the support rail (or rib), for example, as shown in FIG. If a structure is adopted in which the control board 102 is fixed only by one support rail (or rib) on the left and right side peripheral walls of the housing 101 in order to store the battery pack 103 side by side, The control board 102 cannot be stably supported. As a result, for example, there is a concern that the control board 102 is greatly shaken by vibration or impact of the vehicle, thereby causing malfunction or damage of the electronic control circuit.
- the protective case becomes L-shaped as a whole.
- a space vacant in the upper part of the housing 201 is likely to become a dead space in consideration of the arrangement of other devices and members installed in the vehicle. For this reason, for example, when the electronic control unit is installed in a limited space in the vehicle, there is a concern that the entire layout becomes complicated.
- a wall 304 is provided inside the housing 301 to partition the space for arranging the control board 302 and the space for arranging the battery pack 303. If it is intended to maintain the support strength of the control board 302 in the housing 301 by providing support rails 304 as well, when manufacturing a protective case using a mold, a draft of the mold can be formed on the wall 304. For this reason, there is a concern that the width of the protective case increases, leading to an increase in the size of the electronic control unit (device).
- the applicant of the present application provides a frame (fixed frame) that is fixed in a state where the control board and the battery pack are arranged side by side, and further holds the fixed frame at the inner back side of the housing.
- the one that supports the fixed frame from both sides facing each other in the casing was created.
- the clamping is performed by, for example, vibration of the vehicle.
- the fixed frame 403 bends in the direction of the bottom surface of the housing 401 in the housing 401, thereby
- the control board 402 placed on the board also bends in the same direction. That is, there is a problem that the possibility of distortion occurring on the surface of the control board 402 increases due to the bending of the control board 402 (see S in FIG. 12).
- the present disclosure has been made in view of the above-described problem, and can ensure the support strength of the control board in the housing, avoid the complexity of the layout related to the installation, and further contribute to the downsizing of the apparatus.
- an object is to suitably suppress the bending of the control board.
- One aspect of the present disclosure for achieving the above object includes a plate-like control board having an electronic control circuit on which a plurality of electronic components are mounted, and a backup battery (BUB) capable of constantly supplying power to the electronic control circuit. And a parallel mounting unit on which the control board and the battery pack are mounted adjacent to each other at a boundary line along the longitudinal direction.
- An electronic control unit comprising a fixed frame to which the control board and the battery pack are fixed, and a housing for housing the control board and the battery pack.
- the housing has an opening for inserting the mounting unit for juxtaposition of the fixed frame, and a rear side holding the mounting unit for juxtaposition on the inner back side of the housing facing the opening. It has a holding part, and a fixed frame is fixed to the opening.
- the rear-side holding portion of the housing has a protruding portion that protrudes toward the opening at a position separated from the bottom surface on the inner back side of the housing, and the fixed frame.
- the side-by-side mounting portion has a front end portion in the insertion direction side of the housing that is urged from above on the lower surface of the protruding portion on the inner back side of the housing and downward on the bottom surface of the housing. It was set as the structure which has the bending shape urged
- the fixed frame is used as the rear holding section of the casing.
- the fixed frame By holding and fixing the fixed frame to the opening of the casing, it becomes possible to support the fixed frame from both sides facing each other in the casing, so that the support strength of the control board in the casing is maintained. Can do.
- the shape of the housing can be made rectangular. There is no need to create a dead space around the housing. Furthermore, it is not necessary to provide a wall portion that divides the space for disposing the control board and the space for disposing the battery pack inside the housing.
- the front end portion of the mounting portion for juxtaposition of the fixed frame is bent from the bottom surface of the protrusion and the bottom surface of the housing in the rear holding portion of the housing. Because of the shape, when holding the front end of the fixed frame side mounting part on the rear side holding part of the housing, the component dimensional error of the projecting part at the front end part and the rear side holding part of the housing It becomes easy to design so that it can absorb. As a result, it is possible to suitably hold the distal end portion of the mounting portion for juxtaposing the fixed frame to the rear holding portion of the housing.
- the portion urged from above by the lower surface of the projecting portion is the distal protrusion, and the bottom surface of the housing
- the bottom part is the part that is biased from below, and even when an external force is applied to the protruding part of the fixed frame toward the bottom side of the case, the bottom part of the fixed frame receives from the bottom of the case. It is possible to suppress the bending of the fixed frame by the force.
- the fixed frame By suitably suppressing the bending of the control board, it is possible to suitably suppress the bending of the control board fixed to the fixed frame.
- the mounting unit for juxtaposition of the fixed frame has a flange that sandwiches the protruding part of the rear side holding part of the housing together with the tip protruding part in a state where the control board is mounted. But you can. In this case, even when an external force is applied to the flange on the bottom surface side of the housing, the reaction force received by the bottom surface portion of the fixed frame from the bottom surface of the housing can suppress the bending of the fixed frame. Therefore, the front-end protrusion of the fixed frame sandwiches the protruding portion of the rear-side holding portion of the casing, so that the flexure of the control board can be suitably suppressed while the fixing frame is firmly held in the casing.
- the fixed frame mounting portion may have a configuration in which a bottom surface portion thereof is formed by drawing the fixed frame main body.
- the fixed frame can be provided with a portion that is urged from below on the bottom surface of the housing without joining and joining a new member at the front end portion of the mounting portion for fixing the fixed frame. Can be made lighter and easier to manufacture.
- the distal end portion of the protruding portion in the rear side holding portion of the housing may have a curved surface shape for guiding the distal end protruding portion of the fixed frame to the inner rear side of the housing.
- the distance (dimension) from the top surface of the tip protrusion to the bottom surface of the bottom surface portion of the fixed frame is approximately the distance from the bottom surface of the protrusion to the bottom surface of the protrusion in the rear holding portion of the housing (to the extent of component dimension error).
- the tip protrusion of the fixed frame can be easily inserted into the interior back side of the housing even if the size is larger than the size), so that the tip of the fixed frame is more strongly biased by the back side holding portion of the housing. Can be made.
- tip part of a fixed frame can be suitably hold
- the rear side holding portion of the casing is configured so that the bottom portion of the fixed frame is moved when the front end protrusion of the fixed frame is guided to the inner back side of the casing by the front end portion of the protrusion.
- the structure which has the guide part in which the slope for pushing upward gradually was formed may be sufficient.
- the distal end portion of the fixed frame can be more strongly biased by the rear side holding portion of the casing, and therefore the distal end portion of the fixed frame can be more suitably held by the rear side holding portion of the casing.
- the present disclosure can be distributed in the market as a protective case including the casing, the battery holder, and the fixed frame.
- a protective case including the casing, the battery holder, and the fixed frame.
- FIG. 2A is a perspective view mainly illustrating the configuration of the fixed frame
- FIG. 2B is a perspective view mainly illustrating the configuration of the fixed frame
- FIG. 2C is mainly fixed.
- FIG. 3A in the embodiment is an explanatory view before mounting showing an example of mounting the battery holder to the mounting unit for arranging fixed frames
- FIG. 3B is a table for mounting fixed frames. It is explanatory drawing after the attachment which shows the example of attachment of the battery holder to a part.
- FIG. 4A in the embodiment is an explanatory view before mounting showing an example of mounting the battery holder to the mounting unit for mounting the fixed frame
- FIG. 4B is mounting the mounting of the fixed frame. It is explanatory drawing after the attachment which shows the example of attachment of the battery holder to a part.
- 5A is a top view illustrating an example of storing the battery pack in the protective case
- FIG. 5B is a top view illustrating an example of storing the battery pack in the protective case.
- (C) is a top view which shows the example of accommodation of the battery pack to a protective case.
- 6A is a perspective view showing an example of storing the battery pack in the protective case
- FIG. 6B is a perspective view showing an example of storing the battery pack in the protective case.
- FIG. 7A is a perspective view illustrating the configuration of the battery fixture
- FIG. 7B is a perspective view having the AA cross section of FIG. 7A illustrating the configuration of the battery fixture.
- FIG. 8A is a front view illustrating the configuration of the battery fixture
- FIG. 8B is a front view illustrating the configuration of the battery fixture in the embodiment.
- FIG. 9A is an explanatory diagram illustrating the configuration of the inner side of the housing and the inner side of the housing
- FIG. 9B is an inner view of the inner side of the housing and the inner side of the housing. It is explanatory drawing which illustrates the structure of.
- FIG. 10A is an explanatory diagram illustrating the configuration of the inner side of the casing and the inner side of the casing
- FIG. 10B is the inner side of the inner side of the casing and the inner side of the casing
- FIG. 10C is an explanatory view illustrating the inner structure of the rear side holding portion of the casing and the inner side of the casing
- FIG. 10D is a rear side holding of the casing. It is explanatory drawing which illustrates the structure inside a part and a housing
- casing. 11A is an explanatory diagram for explaining the prior art
- FIG. 11B is an explanatory diagram for explaining the prior art
- FIG. 11C is an explanation for explaining the prior art.
- the electronic control unit according to the present embodiment is installed inside a dashboard of a vehicle, and when a vehicle accident occurs, information on the operation of the airbag, detection information such as a collision sensor, a GPS receiver, and the like is transmitted by wireless communication to a predetermined center. It is configured as an eCall unit having a function of automatically transmitting to.
- the electronic control unit of the present embodiment is installed together with other devices and members inside the dashboard of the vehicle, and in particular, it is attached below the duct of the air conditioner, so there is no problem even if it receives raindrops leaking from the duct. It must operate, and according to laws and regulations, it should not interfere with the operation of equipment even when water drops are dropped.
- the electronic control unit 1 includes a plate-shaped control board 2, a long columnar battery pack 3, and these control board 2 and battery pack 3. And a protective case 10 for protecting against raindrops leaking from the duct).
- the control board 2 is a board constituting an electronic control circuit (not shown) on which a plurality of electronic components are mounted, and further has a plurality of connectors 4 to 6 connected to the electronic control circuit.
- the electronic control circuit of this embodiment has a microcomputer (not shown) that performs processing for realizing the function as the eCall unit, and the microcomputer has at least one of the connectors 4 to 6.
- a wireless signal indicating various information generated based on various signals input via the terminal is wirelessly transmitted to an external center via at least one of the connectors 4 to 6.
- the relatively large rectangular connector 4 is a main connector, and is connected to, for example, a device for deploying an airbag (airbag device), a collision sensor, etc., and information related to the operation of the airbag (for example, It is used to acquire the presence / absence of airbag deployment) and detection information of a collision sensor (for example, acceleration indicating an impact received by a vehicle).
- the connector 5 is connected to, for example, a GPS receiver, and is used for acquiring detection information of the GPS receiver (for example, the current position of the vehicle).
- the connector 6 is connected to a device (wireless communication device) that performs wireless communication with an external center via a base station of a cellular phone network, and wirelessly transmits various information acquired via the connectors 4 and 5 to the external center. Used to do.
- the battery pack 3 has a cylindrical shape in which a backup battery (BUB) capable of always supplying power to the electronic control circuit on the control board 2 is accommodated.
- the BUB (not shown) may supply power to the electronic control circuit at any time.
- the battery When the vehicle engine is operated, the battery is supplied with power from the in-vehicle battery and charged. The power may be continuously supplied to the electronic control circuit for a predetermined time from when the power supply is stopped or when the power supply from the vehicle-mounted battery is interrupted.
- BUB (not shown) can supply power to the electronic control circuit at all times in an emergency such as when the supply of power from the on-vehicle battery is interrupted (in other words, various types obtained through the connectors 3 and 4).
- the electronic control unit 1 is provided so that information can be wirelessly transmitted to an external center.
- the protective case 10 has a housing 11 for housing the control board 2 and the battery pack 3, a battery holder 12 (see FIG. 3) for holding the main body of the battery pack 3, and the control board 2 and the battery holder 12 fixed thereto. And a battery attachment 14 (see FIGS. 5 and 8) attached to the tip of the battery pack 3.
- the main body of the battery pack 3 is held by the battery holder 12 (see FIG. 3), and the fixed frame 13 is held in a state where the battery holder 12 (and the battery attachment 14) and the control board 2 are held by the fixed frame 13.
- the control board 2 and the battery holder 12 can be stored in the protective case 10 while being kept watertight.
- the housing 11 is manufactured by press working or the like, and is formed in a box shape having an opening 11a for inserting a parallel mounting portion 15 (described later) of the fixed frame 13. And the screw hole part for connecting the front part 16 (after-mentioned) for sealing of the fixed frame 13 by screwing etc. is provided in the four corners of the opening part 11a.
- the fixed frame 13 is manufactured by a die casting method such as die casting, and as shown in FIGS. 2 (a) to 2 (c), the plate surface of the control board 2 and the battery pack 3 (to be precise, the battery holder 12 (FIG. 3) is placed in a state where the bottom surface of the battery pack 3 is adjacent to the boundary line along the longitudinal direction of the battery pack 3. 1 is configured to close the opening 11a (see FIG. 1) of the housing 11 in a state of being housed in the housing 11 and to be sealed to the housing 11 in a state of closing the opening 11a.
- the die casting method such as die casting, and as shown in FIGS. 2 (a) to 2 (c), the plate surface of the control board 2 and the battery pack 3 (to be precise, the battery holder 12 (FIG. 3) is placed in a state where the bottom surface of the battery pack 3 is adjacent to the boundary line along the longitudinal direction of the battery pack 3. 1 is configured to close the opening 11a (see FIG. 1) of the housing 11 in a state of being housed in
- the side-by-side mounting portion 15 includes a plurality of bottom surface protrusions 15a formed by pressing the back surface of the main body of the fixed frame 13 by drawing and a plurality of bottom surfaces.
- the bottom surface portion 15 c other than the bottom surface convex portion 15 a and the bottom surface opening portion 15 b is configured to abut on the inner bottom surface of the housing 11.
- FIG. 2 (a) in order to fix a part of the control board 2 and the battery holder 12 (see FIG. 3) in the side-by-side mounting portion 15, several bottom opening portions 15b are provided.
- a plurality of standing surface portions 15e are formed on the edge portion so as to stand upward and on which the plate surface of the control board 2 is placed.
- the standing surface portion 15e is erected at such a height that a gap is formed between the bottom surface of the control board 2 and the tip protrusion portion 15d (upper surface) of the side-by-side mounting portion 15, and the control board 2 is screwed. Screw holes are provided for connection by, for example.
- the battery pack 3 (to be precise, the bottom surface of the battery holder 12 (see FIG. 3)) is used to position the control board 2 in the side-by-side mounting portion 15. Is placed on the opposite side of the area where the battery is placed (hereinafter referred to as the “battery placement area”), and is provided on the edge of the control board 2 in an obliquely upward position.
- a first positioning portion 15f that fits into the portion 2a (see FIG. 2B) is formed.
- the first positioning portion 15 f is erected at an angle at which the screw hole portion of the standing surface portion 15 e coincides with the screw hole portion of the control board 2.
- a second opening provided on the bottom surface opening 15 b adjacent to the battery mounting area is provided on the opposite side of the control board 2 from the edge where the first ridge portion 2 a is located.
- a second positioning portion 15g on which the ridge portion 2b (see FIG. 2B) is placed is erected.
- an area (hereinafter referred to as “substrate mounting”) on which the control substrate 2 is mounted.
- a joining portion 15 h that is erected along the shape of the battery holder 12 and joined to the side surface of the battery holder 12 is formed at an end located on the side opposite to the “mounting area”).
- the battery holder 12 is bent so that the side in contact with the joint portion 15h of the side-by-side mounting portion 15 has a multifaceted shape.
- a vertical surface with respect to the bottom surface is formed with two vertically split portions 12a protruding outward and an upright portion 12b erected in an upward oblique direction.
- the joint portion 15h of the side-by-side mounting portion 15 is formed with two slits 15i into which the vertical portion 12a of the battery holder 12 is fitted, and a window portion 15j into which the standing portion 12b of the battery holder 12 is fitted.
- the battery holder 12 is pushed into the side-by-side mounting part 15 so that the vertically split part 12 a of the battery holder 12 is fitted into the slit 15 i of the side-by-side mounting part 15.
- the upright portion 12b of the battery holder 12 is hung on the window portion 15j of the side-by-side placement unit 15, and the battery holder 12 is locked so as not to come out of the side-by-side placement unit 15 (fixed frame 13). It has become so.
- the side surface of the joint portion 15h of the mounting portion 15 for the juxtaposition mounting portion 15 is the vertical split portion 12a of the battery holder 12. It can be bent along.
- control board is provided at the edge of the bottom opening 15b located along the boundary line between the board placement area and the battery placement area in the side by side placement section 15. 2 and a standing surface portion 15e that supports a part of the battery holder 12, and a plurality of (two in this embodiment) standing portions 15k that are in contact with the side surface (A surface) of the battery holder 12 are formed. .
- the battery holder 12 is a wire that connects the electronic control circuit on the control board 2 (see FIG. 2) and the BUB in the battery pack 3 (see FIG. 3). It has the wire mounting part 12c in which 3a (refer FIG. 5) is mounted.
- the wire placement portion 12c is parallel to the parallel placement surface 12d protruding to the substrate placement area side of the parallel placement placement portion 15 and the movement of the wire 3a to the substrate placement area side by bending.
- a restriction portion 12e erected on the edge of the surface 12d, and a placement surface 12f that extends obliquely downward from both ends of the parallel surface 12d and is placed on the erection surface portion 15e of the side-by-side placement portion 15. Have.
- the standing surface portion 15e of the parallel placement placement portion 15 is provided with a wire placement portion in order to hold the parallel surface 12d of the wire placement portion 12c above the substrate placement area in the parallel placement placement portion 15. It is formed at a position where the mounting surface 12f of 12c is supported from below. Further, the standing portion 15k of the side-by-side placement unit 15 contacts the side surface (A surface) of the battery holder 12 so that the battery holder 12 does not move to the substrate placement area side in the side-by-side placement unit 15. It is formed in the position to touch. That is, as shown in FIG.
- the side surface (A surface) of the battery holder 12 is placed on the side-by-side placement unit 15.
- the placement surface 12f of the battery holder 12 is placed on the standing surface portion 15e of the parallel placement placement portion 15 so that the wire placement portion 12c is placed in parallel placement. It is held above the substrate placement area of the section 15.
- the mounting surface 12f of the battery holder 12 and the standing surface portion 15e of the side-by-side mounting portion 15 are fixed by screwing or the like while sandwiching the control board 2 (see FIG. 3).
- one end of the wire 3a is mounted in the state connected to the electronic control circuit on the control board 2, and FIG. As shown in b), the other end is connected to the connection portion of the battery pack 3 that can be removed from the battery holder 12, so that it is electrically connected to the BUB in the battery pack 3. That is, in the wire mounting part 12c of the battery holder 12, the wire 3a can be connected to the battery pack 3 in a state where it is removed from the battery holder 12, and as shown in FIG. In a state in which the battery pack 3 is stored, a space for storing the wire 3a connected to the BUB in the battery pack 3 is secured.
- the sealing front portion 16 of the fixed frame 13 is integrally formed with the side-by-side mounting portion 15 so that the fixed frame 13 forms an L shape as a whole, as shown in FIGS. 2 (a) to 2 (c).
- the connectors 4 to 6 on the control board 2 are fitted from the side of the side-by-side mounting part 15 (the back side of the sealing front part 16), and the battery pack 3 is a battery holder.
- an opening 16 d provided for being inserted into 12.
- the battery holder 12 (and the battery attachment 14) and the control board 2 are fixed to the parallel placement placement portion 15 on the sealing front portion 16, and the parallel placement placement portion 15 is provided.
- Screw holes are arranged so as to coincide with the screw holes at the four corners of the opening 11 a of the housing 11 in the state of being housed inside the housing 11.
- the screw hole part is screwed in a state where the screw hole parts coincide with the screw hole parts at the four corners of the opening part 11a of the housing 11, so that the sealing front part 16 is fixed to the opening 11 a of the housing 11.
- the opening 16 d of the sealing front part 16 is formed so that the lid 33 of the battery pack is fitted from the surface side of the sealing front part 16 when the battery holder 12 is set.
- the battery holder 12 has a bottom surface along the longitudinal direction of the battery pack 3.
- the battery attachment 14 is attached to the lid 33 of the battery pack 3 by being attached to the lid 33 of the battery pack 3.
- FIG. 6 (b) when the main body of the battery pack 3 is inserted into the battery holder 12 and pushed into the inner side of the battery holder 12, the battery is shown in FIG. 6 (c).
- a side peripheral surface 14 a connected to the lid portion 33 of the pack 3 is fitted into the opening portion 16 d of the front surface portion 16 for sealing.
- the battery pack 3 includes a side peripheral surface 14 a that is connected to the lid portion 33, and a fixed frame portion 14 b that fixes the battery attachment 14 inside.
- the battery attachment 14 is provided on a pivot end that is pivotally supported by the fixed frame portion 14b of the battery pack 3, a pivot door 14c that pivots about the pivot end, and the pivot door 14c.
- a stopper 14 d that is locked to the fixed frame portion 14 b of the battery pack 3.
- the fixed frame portion 14 b of the battery pack 3 is processed so that its inner peripheral wall surface is fitted to the main body portion of the battery pack 3, and the opening of the front surface portion 16 for sealing is formed.
- the outer peripheral wall surface is processed into a shape in which the portion 16d is fitted to the side peripheral surface 14a.
- the rotating door portion 14c of the battery attachment 14 is pivotally supported at a vertical position shifted from the center to one end in the fixed frame portion 14b of the battery pack 3.
- the battery pack 3 including the fixed frame portion 14b can be pulled out from the battery holder 12 by the user opening a lever 14e provided on the side opposite to the shaft support end.
- the rotating door portion 14c of the battery attachment 14 is configured such that the battery attachment 14 is fixed to the opening 16d of the sealing front portion 16 when the lever 14e is closed by the user.
- the fixed frame portion 14b of the battery pack 3 is fitted to the stopper 14d on the back side of the opening portion 16d of the front surface portion 16 for sealing.
- 14f of the battery mounting tool 14 which is formed so as to be slidable toward the fitting hole 14f at the vertical position corresponding to the lever 14e in the rotating door portion 14c of the battery mounting tool 14.
- the battery attachment 14 is connected to the fixing frame portion 14b of the battery pack 3 and the sealing front surface in a state where the side peripheral surface 14a of the fixing frame portion 14b of the battery pack 3 is fitted into the opening portion 16d of the sealing front surface portion 16.
- a locking mechanism 14g for connecting the portion 16 is provided. Specifically, as shown in FIGS. 5A to 5C, the lock mechanism 14g is provided on the upper surface of the fixed frame portion 14b (side peripheral surface 14a) of the battery pack 3, and the rotary door portion.
- a stepped portion 14j provided at a position corresponding to the claw portion 14i on the upper surface of the fixed frame portion 14b (side peripheral surface 14a) is configured.
- the locking mechanism 14g has a convex part at the front-end
- the claw portion 14 i of the rotating member 14 h rides on the stepped portion 14 j of the fixed frame portion 14 b of the battery pack 3. .
- the fixed frame portion 14 b and the sealing front surface portion 16 are connected by the convex portion of the claw portion 14 i being locked to the back surface of the opening portion 16 d of the sealing front surface portion 16.
- the housing 11 holds the tip 23 of the mounting portion 15 for juxtaposition of the fixed frame 13 on the inner back side of the housing 11 facing the opening 11a.
- a plurality (three in this embodiment) of rear side holding portions 11b are provided.
- the back side holding portion 11 b is formed on the inner back side surface (inner back surface) of the housing 11 from the inner bottom surface of the housing 11, and a tip protrusion portion 15 d of the fixed frame 13 to be described later.
- a protrusion 11c that is provided at a position separated by a distance (dimension) matched to the shape of the housing 11 and protrudes substantially parallel to the inner bottom surface of the housing 11 toward the opening of the housing 11, and a distal end of a fixed frame 13 to be described later
- a guide portion 11d that guides the protruding portion 15d to a contact portion of the protruding portion 11c with the inner back surface of the housing 11 is configured.
- the distal end portion 23 on the insertion direction side of the housing 11 has an inner back side of the housing 11.
- a bent shape is applied to the lower surface of the projecting portion 11c so as to be urged from above and to the inner bottom surface of the housing 11 from below.
- the tip 23 of the fixed frame 13 includes a tip protrusion 15d that is biased from above to the lower surface of the protrusion 11c, and a bottom portion 15c that is biased from below to the inner bottom of the housing 11. And a flange 23a that sandwiches the protrusion 11c together with the tip protrusion 15d in a state where the control board is placed.
- the bottom surface portion 15c of the fixed frame 13 has a plurality of bottom surface protrusions formed by embossing the back surface of the main body bottom surface of the fixed frame 13 by drawing, as described above with reference to FIG. It is a part other than the portion 15 a and the plurality of bottom surface openings 15 b, and is configured to contact the inner bottom surface of the housing 11.
- one or a plurality of tip protrusions 15d are provided on the end portion of the fixed frame 13 on the side opposite to the sealing front portion 16 (this embodiment).
- three are provided, and a flat portion higher than the bottom surface portion 15c of the fixed frame 13 is provided, and the tip of the flat portion is bent obliquely downward.
- the flange 23a is a part on which the plate surface of the control board 2 is placed in order to fix the control board 2 in the same manner as the plurality of standing surface portions 15e described above, and is fixed as shown in FIG.
- the front end portion 23 of the main body of the frame 13 rises from a position closer to the sealing front surface portion 16 than the bottom surface portion 15 c and is bent so as to contact the upper surface of the protruding portion 11 c of the housing 11.
- the distance (dimension) between the lower surface of the flange 23a and the upper surface (planar portion) of the distal projection portion 15d is the same or slightly the same as the thickness of the protruding portion 11c of the housing 11. Designed for small dimensions.
- the distance (dimension) between the upper surface (planar portion) of the distal protrusion portion 15 d and the lower surface of the bottom surface portion 15 c is such that the lower surface of the protruding portion 11 c of the housing 11 and the interior of the housing 11. It is designed to have the same or slightly larger dimension than the distance (dimension) to the bottom surface (specifically, the upper surface of the guide portion 11d).
- tip protrusion part 15d is urged
- the tip portion of the projecting portion 11c guides the tip protrusion portion 15d of the fixed frame 13 to the inner back side of the housing 11. Therefore, it has a curved surface shape.
- a slope for guiding the bottom surface portion 15c of the fixed frame 13 to the inner back side of the housing 11 is formed in the guide portion 11d.
- the electronic control unit 1 of the present embodiment has the side-by-side placement unit 15 on which the control board 2 and the battery pack 3 are placed adjacent to each other on the boundary line along the longitudinal direction.
- a fixed frame 13 to which the control board 2 and the battery pack 3 are fixed, and a housing 11 for housing the control board 2 and the battery pack 3 are provided.
- casing 11 is mounted in parallel arrangement
- casing 11 which opposes this opening part 11a for the mounting part 15 for parallel installation of the fixed frame 13 to be inserted, and this opening part 11a.
- the rear side holding part 11b which holds the part 15 is provided, and the fixed frame 13 is fixed at the opening part 11a.
- the back side holding portion 11 b of the housing 11 has a protruding portion 11 c that protrudes toward the opening portion 11 a at a position separated from the bottom surface inside the housing 11, and is fixed.
- the distal end portion 23 on the insertion direction side of the housing 11 is urged from above on the lower surface of the protruding portion 11 c of the housing 11 on the inner back side of the housing 11. And it has the bending shape urged
- the shape of the housing 11 can be made rectangular. Therefore, it is not necessary to create a dead space around the casing 11. Furthermore, it is not necessary to provide a wall portion for partitioning the space for disposing the control board 2 and the space for disposing the battery pack 3 inside the housing 11.
- the distal end portion 23 of the mounting portion 15 for juxtaposition of the fixed frame 13 is connected to the lower surface of the protruding portion 11 c in the rear holding portion 11 b of the housing 11 and the housing 11.
- the bent end portion is biased from the inner bottom surface.
- 23 and the rear part holding part 11b of the housing 11 can be easily designed so as to be able to absorb the component dimensional error of the protruding part 11c.
- the front end portion 23 of the side-by-side mounting portion 15 of the fixed frame 13 can be suitably held by the back side holding portion 11 b of the housing 11.
- the electronic control unit 1 in the configuration that can ensure the support strength of the control board 2 in the housing 11, avoid the complexity of the layout related to the installation, and contribute to the downsizing of the apparatus.
- the bending of the control board 2 fixed to the fixed frame 13 can be preferably suppressed.
- the side-by-side mounting portion 15 of the fixed frame 13 has a flange that clamps the protruding portion 11c of the rear-side holding portion 11b of the housing 11 together with the tip protruding portion 15d in a state where the control board 2 is mounted. 23a.
- the mounting portion 15 for juxtaposition of the fixed frame 13 has a bottom surface portion 15c formed by drawing the main body of the fixed frame 13. For this reason, in the front-end
- the distal end portion of the protruding portion 11 c in the rear side holding portion 11 b of the housing 11 has a curved surface shape for guiding the distal end protruding portion 15 d of the fixed frame 13 to the inner rear side of the housing 11.
- the distance (dimension) from the upper surface of the tip projection 15d to the lower surface of the bottom surface portion 15c on the fixed frame 13 is about the same as the component dimension error from the lower surface of the protrusion 11c in the rear side holding portion 11b of the housing 11.
- the tip portion 23 of the fixed frame 13 can be urged more strongly by the portion 11b. Thereby, the front-end
- the back side holding portion 11b of the housing 11 is configured such that the bottom surface portion of the fixed frame 13 when the tip protrusion 15d of the fixed frame 13 is guided to the inside back side of the housing 11 by the tip portion of the protruding portion 11c.
- the guide portion 11d is provided with a slope for gradually pushing the 15c upward. For this reason, the distal end portion 23 of the fixed frame 13 can be further strongly biased by the rear side holding portion 11b of the casing 11, and therefore the distal end portion 23 of the fixed frame 13 is further moved to the rear side holding portion 11b of the casing 11. It can be suitably held.
- the fixed frame 13 is formed in an L shape, but is not limited to this, and the juxtaposed mounting portion 15 and the sealing front portion 16 Any shape may be used as long as it has a configuration.
- the sealing front surface portion 16 of the fixed frame 13 is fixed to the opening portion 11a of the housing 11 by screwing.
- the electronic control unit 1 is not limited to this example.
- the sealing front surface portion 16 of the fixed frame 13 and the opening portion 11a of the housing 11 may be joined by snap fitting.
- control board 2 demonstrated the example fixed to the mounting part 15 for juxtaposition of the fixed frame 13 with a screw, it is not limited to this example,
- control board 2 and the mounting portion 15 for the fixed frame 13 may be joined by snap fitting.
- control board 2 is mounted (fixed) on the flange 23a
- the present invention is not limited to this, and the control board 2 has a fixed frame. If it is the board
- the protective case 10 configures the eCall unit as the electronic control unit 1
- the present invention is not limited to this example, and is applied to configure various electronic control units. obtain.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Casings For Electric Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Description
Claims (6)
- 複数の電子部品が実装された電子制御回路を有する板状の制御基板(2)と、
前記電子制御回路に常時電源を供給可能なバックアップバッテリが収容された長柱状のバッテリパック(3)と、
前記制御基板(2)および前記バッテリパック(3)が前記バッテリパック(3)の長手方向に沿った境界線において隣接した状態で載置される並設用載置部(15)を有し、該並設用載置部(15)に前記制御基板(2)および前記バッテリパック(3)が固定される固定フレーム(13)と、
前記制御基板(2)および前記バッテリパック(3)を収納するために、前記固定フレーム(13)の並設用載置部(15)が挿入されるための開口部(11a)、および該開口部(11a)に対向する当該筐体(11)の内部奥側で前記並設用載置部(15)を保持する奥側保持部(11b)を有し、前記開口部(11a)に前記固定フレーム(13)が固定される筐体(11)と、
を備え、
前記筐体(11)の奥側保持部(11b)は、当該筐体(11)の内部奥側で底面から離間した位置において前記開口部(11a)に向けて突出した突出部(11c)を有し、
前記固定フレーム(13)の並設用載置部(15)は、前記筐体(11)への挿入方向側の先端部(23)が、前記筐体(11)の内部奥側で、前記突出部(11c)の下面に上方から付勢され、且つ、前記筐体(11)の底面に下方から付勢される曲げ形状を有していることを特徴とする電子制御ユニット。 - 前記固定フレーム(13)の並設用載置部(15)は、前記筐体(11)への挿入方向側の先端部(23)のうち、前記突出部(11c)の下面に上方から付勢される部分を先端突起部(15d)とし、前記制御基板(2)が載置された状態で該先端突起部(15d)とともに前記突出部(11c)を挟持するフランジ(23a)を有していることを特徴とする請求項1に記載の電子制御ユニット。
- 前記固定フレーム(13)の並設用載置部(15)は、前記筐体(11)への挿入方向側の先端部(23)のうち、前記筐体(11)の底面に下方から付勢される部分である底面部分(15c)が、当該固定フレーム(13)本体の絞り加工により形成されていることを特徴とする請求項1または請求項2に記載の電子制御ユニット。
- 前記固定フレーム(13)の並設用載置部(15)における前記筐体(11)への挿入方向側の先端部(23)のうち、前記突出部(11c)の下面に上方から付勢される部分を先端突起部(15d)とし、
前記突出部(11c)の先端部は、前記先端突起部(15d)を前記筐体(11)の内部奥側に導くための曲面形状を有していることを特徴とする請求項1ないし請求項3のいずれか1項に記載の電子制御ユニット。 - 前記固定フレーム(13)の並設用載置部(15)における前記筐体(11)への挿入方向側の先端部(23)のうち、前記筐体(11)の底面に下方から付勢される部分を底面部分(15c)とし、
前記筐体(11)の奥側保持部(11b)は、前記突出部(11c)の先端部によって前記固定フレーム(13)の先端突起部(15d)が当該筐体(11)の内部奥側に導かれる際に、前記底面部分(15c)を徐々に上方に押しやるためのスロープが形成されたガイド部(11d)を有していることを特徴とする請求項4に記載の電子制御ユニット。 - 複数の電子部品が実装された電子制御回路を有する板状の制御基板(2)、および前記電子制御回路に常時電源を供給可能なバックアップバッテリが収容された長柱状のバッテリパック(3)が前記バッテリパック(3)の長手方向に沿った境界線において隣接した状態で載置される並設用載置部(15)を有し、該並設用載置部(15)に前記制御基板(2)および前記バッテリパック(3)が固定される固定フレーム(13)と、
前記制御基板(2)および前記バッテリパック(3)を収納するために、前記固定フレーム(13)の並設用載置部(15)が挿入されるための開口部(11a)、および該開口部(11a)に対向する当該筐体(11)の内部奥側で前記並設用載置部(15)を保持する奥側保持部(11b)を有し、前記開口部(11a)に前記固定フレーム(13)が固定される筐体(11)と、
を備え、
前記筐体(11)の奥側保持部(11b)は、当該筐体(11)の内部奥側で底面から離間した位置において前記開口部(11a)に向けて突出した突出部(11c)を有し、
前記固定フレーム(13)の並設用載置部(15)は、前記筐体(11)への挿入方向側の先端部(23)が、前記筐体(11)の内部奥側で、前記突出部(11c)の下面に上方から付勢され、且つ、前記筐体(11)の底面に下方から付勢される曲げ形状を有していることを特徴とする保護ケース。
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RU2015154736A RU2624462C2 (ru) | 2013-05-22 | 2014-05-16 | Электронный блок управления и защитный кожух |
DE112014002529.1T DE112014002529T5 (de) | 2013-05-22 | 2014-05-16 | Elektronische Steuereinheit und Schutzgehäuse |
CN201480029072.7A CN105247974B (zh) | 2013-05-22 | 2014-05-16 | 电子控制单元以及保护外壳 |
US14/892,075 US9578761B2 (en) | 2013-05-22 | 2014-05-16 | Electronic control unit and protective case |
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CN108271321B (zh) * | 2017-01-04 | 2021-06-01 | 株式会社能率 | 电基板收纳用壳体 |
JP6631581B2 (ja) * | 2017-04-17 | 2020-01-15 | 株式会社デンソー | 電子装置 |
EP3468319B1 (en) * | 2017-10-04 | 2021-08-18 | Veoneer Sweden AB | Electronic control unit |
TWI652977B (zh) * | 2018-02-13 | 2019-03-01 | 緯創資通股份有限公司 | 機殼以及包含所述機殼的主機 |
JP2019192861A (ja) * | 2018-04-27 | 2019-10-31 | アイシン精機株式会社 | コネクタ付きプリント基板の筐体構造 |
CN111629555B (zh) * | 2019-02-27 | 2022-01-11 | 川湖科技股份有限公司 | 滑轨机构及其支撑总成 |
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JP7051257B2 (ja) * | 2020-05-12 | 2022-04-11 | ダイハツ工業株式会社 | 車載通信装置 |
USD973605S1 (en) * | 2021-06-16 | 2022-12-27 | Kinova Inc. | Robotic arm controller |
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RU2015154736A (ru) | 2017-06-27 |
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US20160120044A1 (en) | 2016-04-28 |
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