WO2016125883A1 - コネクタ - Google Patents
コネクタ Download PDFInfo
- Publication number
- WO2016125883A1 WO2016125883A1 PCT/JP2016/053465 JP2016053465W WO2016125883A1 WO 2016125883 A1 WO2016125883 A1 WO 2016125883A1 JP 2016053465 W JP2016053465 W JP 2016053465W WO 2016125883 A1 WO2016125883 A1 WO 2016125883A1
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- WO
- WIPO (PCT)
- Prior art keywords
- connector
- lead portion
- terminal
- connector housing
- press
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
- H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/223—Insulating enclosures for terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- the present invention relates to a connector formed by assembling a connector terminal into a connector housing by insertion press fitting or the like. More specifically, the lead portion of the connector terminal is bent, the side surface of the bent lead portion, and the connector housing By directly contacting the provided guide wall with means such as insertion press fitting, the lead portion is supported from the side by the guide wall, and the sealing property of the contact portion between the connector terminal and the connector housing is improved.
- the present invention relates to a connector that is improved and prevents entry of foreign matter into the connector housing from the contact portion between the connector housing and the connector terminal.
- a board built in an electronic device such as a board constituting an electronic control unit (ECU) for an automobile, a sensor signal from an external device connected to the board, a conductive wire for power feeding, etc.
- ECU electronice control unit
- a sensor signal from an external device connected to the board a conductive wire for power feeding, etc.
- the connection between the connector and the board is performed by soldering the end portion of the lead portion provided in the connector terminal of the connector to a land or the like of the through hole formed in the board.
- the connection of the conductive wire or the like from the external device to the connector is performed by fitting the connection terminal from the external device that engages with the connector terminal in the housing of the connector.
- Patent Document 1 Japanese Patent Laid-Open No. 2006-140113
- Patent Document 1 The technique disclosed in Patent Document 1 is intended to confirm the soldering state between the connector terminal and the substrate, and to prevent dew condensation around the connector terminal.
- a dew condensation prevention wall is provided on the connector housing. Forming. And the said dew condensation prevention wall is comprised so that the said soldering state can be visually confirmed from between the said dew prevention walls by providing intermittently in the connector outer periphery.
- Patent Document 2 a technique described in JP 2012-134007 A (Patent Document 2) is disclosed.
- Patent Document 2 relates to an electronic component built-in connector, and a male terminal fitting is press-fitted and inserted into a terminal insertion hole of a holding member housed in a component housing chamber of the electronic component built-in connector.
- the molding material is filled into the component housing chamber, the molding material is prevented from leaking from the gap between the male terminal fitting and the terminal insertion hole due to a capillary phenomenon, thereby inhibiting the terminal connection. It is an object.
- the connector terminal to be soldered to the board among the above connectors for the purpose of relaxation of stress due to thermal contraction or thermal expansion to the board or the soldering portion. Bending may be applied to the lead portion.
- the connector terminal is connected to the connection terminal from the external device.
- a normal method of inserting into the connector housing from the direction of insertion into the connector housing and conversely, a method of inserting the connection terminal from the external device from the board side different from the direction of inserting into the connector.
- connection terminal is inserted into the connector when the connection terminal from an external device is inserted into the connector. There is a possibility that the connector terminal may be disconnected due to a load at the time of loading, or the load on the board may be increased.
- the present invention aims to solve the above-described problems, and is a lead portion subjected to bending processing that can be realized at low cost with simple assembly and prevention of foreign matter intrusion into the connector housing. It is an object of the present invention to provide a connector provided with a connector terminal.
- the present invention provides an insertion portion including a terminal fitting electrically connected to an external connection terminal, one end of which is fixed to the end portion of the insertion portion, and the other end connected to the substrate.
- a connector terminal having a lead portion having a bent shape; and a connector housing for holding the connector terminal, wherein the connector housing has an external connection terminal on the side where the lead portion of the connector terminal is provided.
- a guide wall, the guide wall being in front of at least an outer periphery of the through hole in a state where the connector housing holds the connector terminal.
- the lead portion has a height up to a position close to the leading end side of the lead portion, and the inner wall of the guide wall and the side surface of the lead portion are in direct contact with each other at least on one side, Two surfaces are in direct contact with each other over the height from the outer periphery of the through hole to a position near the tip side of the lead portion among the bent portions of the lead portion, so that the connector housing Provided is a connector characterized in that a sealed structure is formed on the inner side.
- the solution to the above problem is to provide a seal lip portion so as to stand upright from the peripheral edge of the opening at the upper end of the guide wall, and to seal the seal wall by contacting the inner surface of the seal lip portion and the side surface of the lead.
- the connector housing includes a press-fitting hole into which the connector terminal is press-fitted, and the insertion part is a press-fitting part that is press-fitted into the press-fitting hole at the fixed side end of the lead part.
- the press-fitting part is provided with a minute protrusion protruding laterally from a side edge part of the insertion part, or the insertion part is a fixed side of the lead part.
- the lead portion has a quadrangular cross-sectional shape, and a tip portion of the lead portion coincides with an insertion direction of the connector terminal into the connector housing in a holding state by the connector housing, and the insertion portion
- the guide wall is provided with two bent portions extending in a position offset to the center side of the connector housing with respect to the fixing point to the connector housing, and the guide wall has at least three of the lead portions having a square cross section. It is achieved more effectively by being configured in contact with the side surface of the surface, or by forming the connector from a heat conductive resin.
- the connector housing of the connector has a lead portion of the connector terminal bent, and the side on which the lead portion of the connector terminal is provided is externally connected to the connector housing.
- the connector terminal can be inserted into the connector housing and held in the insertion direction of the mating connector with the lead portion at the tip side. For this reason, it is possible to prevent terminal disconnection due to a load during insertion of the connector from the external connection device and a load on the substrate to which the lead portion is connected.
- the lead portion of the connector terminal can be bent in advance and then outsert to the connector housing, stress is applied to the connector housing as in the case of bending the lead portion after the outsert. It is possible to prevent the occurrence of cracks in the connector, and it is possible to improve the position accuracy of the lead portion tip.
- the guide wall has a distance from at least an outer periphery of the through hole to a position close to a distal end side of the lead portion of the bent portion of the lead portion in a state where the connector housing holds the connector terminal.
- the connector since the lead portion of the connector terminal and the inner wall of the through hole are in direct contact with each other, heat transfer efficiency is increased by mutual contact. Therefore, the connector is made of a resin having high thermal conductivity. Thus, the heat generated from the connector terminal portion can be more effectively dissipated through the connector housing.
- FIG. 1 is an exploded perspective view showing a schematic structure of an ECU provided with a connector according to the present invention. It is the perspective view which looked at the connector from the insertion port side of the external terminal. It is a perspective view which shows the shape of a connector terminal. It is a front view which shows the example of the form (contour) of the press-fit part part of a connector terminal. It is a perspective view which shows the insertion method of a connector terminal. It is the perspective view which looked at the connector from the bottom face side.
- ECU electronice control unit
- the electric power steering device applies a steering assist force (assist force) to the steering mechanism of the vehicle by the rotational force of the electric motor, and the electric power steering device uses a reduction mechanism to reduce the driving force of the motor.
- a steering assist force is applied to the steering shaft or the rack shaft by a transmission mechanism such as a gear or a belt.
- Such an electric power steering apparatus performs feedback control of the motor current in order to accurately generate the torque of the steering assist force.
- Such feedback control adjusts the electric motor applied voltage so that the difference between the steering assist command value (current command value) and the electric motor current detection value is small. This is done by adjusting the duty of PWM (pulse width modulation) control.
- PWM pulse width modulation
- the column shaft 2 is provided with a torque sensor 9 for detecting the steering torque of the handle 1 and a steering angle sensor 14 for detecting the steering angle ⁇ , and the motor 200 for assisting the steering force of the handle 1 is provided with the speed reduction mechanism 3.
- a reduction gear gear ratio n
- a control unit (ECU) 10 which is a control device for controlling the electric power steering device, is configured with a micro control unit (MCU) as a basic component, and is supplied with electric power from a battery 13 and is also operated with an ignition key 11. Then, an ignition key signal is input.
- MCU micro control unit
- the control unit 10 configured as described above calculates the current command value of the assist (steering assist) command based on the steering torque Th detected by the torque sensor 9 and the vehicle speed Vel detected by the vehicle speed sensor 12,
- the current supplied to the electric motor 200 is controlled by a voltage control command value Vref obtained by compensating the current command value.
- the steering angle sensor 14 is not essential and may not be provided, and the steering angle can be obtained from a rotational position sensor such as a resolver connected to the electric motor 200.
- control unit 10 is connected with a CAN (Controller Area Network) 15 for transmitting / receiving various information of the vehicle, and the vehicle speed Vel can be received from the CAN 15.
- control unit 10 is also connected to a non-CAN 16 that exchanges communications other than the CAN 15, analog / digital signals, radio waves, and the like.
- the control unit 10 is mainly composed of a CPU (including an MPU, MCU, etc.).
- FIG. 2 shows general functions executed by a program inside the CPU.
- the steering torque Th detected by the torque sensor 9 and the vehicle speed Vel detected by the vehicle speed sensor 12 are expressed as current command values. It is input to the calculation unit 310.
- the current command value calculation unit 310 calculates a current command value Iref1, which is a control target value of the current supplied to the motor 200, using an assist map or the like based on the input steering torque Th and vehicle speed Vel.
- the current command value Iref1 is input to the current limiting unit 330 via the adding unit 320A, the current command value Irefm with the maximum current limited is input to the subtracting unit 320B, and the motor current value Im fed back from the motor 200 side.
- Deviation I (Irefm-Im) is calculated, and the deviation I is input to PI control unit 350 for improving the characteristics of the steering operation. Then, the voltage control command value Vref whose characteristics are improved by the PI control unit 350 is input to the PWM control unit 360, and the motor 200 is further PWM driven via the inverter circuit 370 as a motor driving unit.
- the current value Im of the motor 200 is detected by the motor current detector 380 and fed back to the subtraction unit 320B.
- the inverter circuit 370 uses an FET as a driving element, and is configured by an FET bridge circuit.
- compensation signal CM from the compensation signal generation unit 340 is added to the addition unit 320A, and the characteristic of the steering system is compensated by the addition of the compensation signal CM to improve the convergence property, the inertia property, and the like.
- Compensation signal generation unit 340 adds self-aligning torque (SAT) 343 and inertia 342 by addition unit 344, and further adds convergence 341 to the addition result by addition unit 345, and compensates the addition result of addition unit 345.
- SAT self-aligning torque
- the signal CM is used.
- control unit 10 in which the connector according to the present invention is used will be described.
- FIG. 3 is an exploded perspective view of the control unit 10 of the electric power steering apparatus shown in FIG.
- the control unit 10 receives power and signals from a case 20, a semiconductor module 30 as a power module including a motor drive unit, a heat dissipation sheet 39, a control circuit board 40 including a current command value calculation unit, and the like, and an external device.
- a connector 50 for supplying, a three-phase output connector 60, and a cover 70 are provided.
- the case 20 is formed in a substantially rectangular shape, and is provided on the flat-plate-shaped semiconductor module mounting portion 21 for mounting the semiconductor module 30 and the longitudinal end portion of the semiconductor module mounting portion 21.
- the semiconductor module mounting portion 21 is formed with a plurality of screw holes 21a into which mounting screws 38 for mounting the semiconductor module 30 are screwed.
- a plurality of mounting posts 24 for mounting the control circuit board 40 are erected on the semiconductor module mounting portion 21 and the power and signal connector mounting portion 22, and the control circuit board 40 is mounted on each mounting post 24.
- a screw hole 24a into which a mounting screw 41 for mounting is screwed is formed.
- the three-phase output connector mounting portion 23 is formed with a plurality of screw holes 23a into which mounting screws 61 for attaching the three-phase output connector 60 are screwed.
- the semiconductor module 30 is mounted on the semiconductor module mounting portion 21 of the case 20 with a plurality of mounting screws 38.
- the substrate 31 of the semiconductor module 30 is formed with a plurality of through holes 31a through which the mounting screws 38 are inserted.
- the heat dissipation sheet 39 is mounted on the semiconductor module mounting portion 21, and the semiconductor module 30 is mounted on the heat dissipation sheet 39.
- the heat generated in the semiconductor module 30 is radiated to the case 20 through the heat radiating sheet 39 by the heat radiating sheet 39.
- control circuit board 40 constitutes a control circuit including a current command value calculation unit and the like by mounting a plurality of electronic components on the board. After the semiconductor module 30 is mounted on the semiconductor module mounting portion 21, the control circuit board 40 is installed on the semiconductor module mounting portion 21 and the power and signal connector mounting portion 22 from above the semiconductor module 30. A plurality of mounting screws 41 are mounted on the mounting post 24. The control circuit board 40 has a plurality of through holes 40a through which the mounting screws 41 are inserted.
- the power and signal connector 50 inputs a DC power source from a battery (not shown), which is an external device, to the semiconductor module 30 and outputs various signals including signals from the torque sensor 9 and the vehicle speed sensor 12 to the control circuit board. Used to enter 40.
- the power and signal connector 50 is attached to the power and signal connector mounting portion 22 provided in the semiconductor module mounting portion 21 by a plurality of mounting screws 50a.
- the three-phase output connector 60 is used to output current from the a-phase output terminal 92a, the b-phase output terminal 92b, and the c-phase output terminal 92c.
- the three-phase connector 60 is attached to the three-phase output connector mounting portion 23 provided at the end in the width direction of the semiconductor module mounting portion 21 with a plurality of mounting screws 61.
- the three-phase output connector 60 is formed with a plurality of through holes 60a through which the mounting screws 61 are inserted.
- cover 70 covers the case 20 to which the semiconductor module 30, the control circuit board 40, the power and signal connector 50, and the three-phase output connector 60 are attached from above the control circuit board 40. It is attached to cover.
- FIG. 4 is a perspective view of the connector 50 as viewed from the side of the insertion port from the external connection device to the connector (the lower side of FIG. 3).
- the connector 50 includes a power connector 51, a communication connector 52, a torque signal connector 53, and a rudder angle sensor connector 54. Each connector is common.
- a connector housing 55 is provided.
- the connector housing 55 is integrally formed of a synthetic resin made of a heat conductive material.
- a power connector for supplying power to the control unit (ECU) 10 is inserted into the power connector 51 of the connector 50, and a vehicle communication signal connector for performing CAN communication is inserted into the communication connector 52. . Further, a torque signal connector for inputting the steering torque Th from the torque sensor 9 is inserted into the torque signal connector portion 53, and the steering angle ⁇ from the steering angle sensor 14 is input to the steering angle sensor connector portion 54. A rudder angle sensor connector is inserted.
- the connector housing 55 holds connector terminals of each connector portion.
- the specific configuration will be described.
- FIG. 5 is a perspective view showing the power connector terminal 56 held by the connector housing 55.
- the upward direction in FIG. 5 is referred to as the upward direction of the connector terminal 56, and the downward direction in FIG.
- the connector terminal 56 has a flat-plate-like insertion portion 56a, and the insertion portion 56a engages with the connection terminal when a connection terminal from an external connection device is inserted into the power connector portion 51.
- the insertion portion 56a engages with the connection terminal when a connection terminal from an external connection device is inserted into the power connector portion 51.
- it is configured to include a metal terminal fitting that is energized.
- a stopper 56b is formed on the side edge near the lower end of the insertion portion 56a, and a press-fit portion 56c is formed below the stopper 56b (the lower end of the insertion portion 56a).
- the stopper 56b is formed to project laterally from the end surface of the side edge of the insertion portion 56a, and the shape of the stopper 56b is a vertical surface orthogonal to the end surface of the side edge of the insertion portion 56a. .
- the press-fitting portion 56c includes a plurality of minute protrusions that are formed to protrude laterally from the end surface of the side edge portion of the insertion portion 56a.
- the shape of the protrusion of the press-fit portion 56c may be a rectangular unevenness whose upper and lower surfaces are vertical surfaces orthogonal to the end surface of the side edge portion of the insertion portion 56a.
- the lower surface is a tapered surface that protrudes upward (to the right in FIG. 6 (b))
- the upper surface is a side edge of the insertion portion 56a. It may be a vertical surface orthogonal to the end surface of the portion, and the shape of the protrusion may be a so-called sawtooth-shaped unevenness as shown in FIG.
- two lead portions 56d are connected in parallel in the width direction of the insertion portion 56a on the lower edge side of the insertion portion 56a.
- the lead portion 56d has a quadrangular cross section when viewed from the extending direction, and the tip portion thereof is formed on the control circuit board 40 shown in FIG. 3 in a state where the connector terminal 56 is accommodated in the connector housing 55. It is inserted into the hole 40b, soldered by point dipping, and dust-proof coated.
- the lead portion 56d has a square cross section.
- the present invention is not limited to this, and the side surface of the lead portion 56d is guided by the cooperation with a guide wall 57d described later.
- the shape of the cross section is not limited to a quadrangle as described above, and a form such as a circle or a polygon can also be selected.
- the leading end side of the lead portion 56d is provided in parallel to the plane of the insertion portion 56a and offset from the plane of the insertion portion 56a.
- the lead portion 56d is bent in a substantially thickness direction of the insertion portion 56a by a bent portion 56e at a position spaced apart from the lower edge side of the insertion portion 56a by a predetermined distance, and further from the bent portion 56e.
- the front end side of the lead portion 56d is bent in a direction parallel to the flat plate plane constituting the insertion portion 56a by a bent portion 56f at a position spaced a predetermined distance downward. That is, the lead portion 56d has a substantially Z shape in the side view of the flat plate.
- the angle of each bending part 56e, 56f is an obtuse angle.
- the connector terminal 56 is inserted and held in the power connector portion 51 of the connector housing 55 from the lead portion 56d side.
- the white arrow in FIG. 7 indicates the insertion direction of the connector terminal 56.
- two connector terminals 56 are arranged in parallel in the thickness direction of the insertion portion 56a. It is assumed that it is housed in the power connector portion 51 of the connector housing 55.
- the connector terminal 56 is arranged in such an orientation that the offset direction of the lead portion 56d is on the center side of the connector housing 55 with respect to the fixing point of the lead portion 56d to the insertion portion 56a.
- the leading end position of the lead portion 56d on the center side of the connector housing 55 in this way, it is possible to make the mounting portion of the connector to the board compact.
- FIG. 8 is a perspective view of the connector 50 viewed from the bottom side of the connector housing 55 with the connector terminal 56 inserted into the connector housing 55.
- the connector housing 55 includes holes 57 having two opening portions 57a through which at least two lead portions 56d of the connector terminal 56 can be penetrated from the distal end side, corresponding to two connector terminals. Yes.
- the lead portion 56 d protrudes from the hole 57 in a direction orthogonal to the bottom surface of the connector housing 55.
- FIG. 9 is a plan view showing the shape of the hole 57.
- 9A shows the shape of the hole in the inlet portion on the side where the connector terminal 56 is press-fitted
- FIG. 9B shows the shape of the hole on the outlet side.
- the entrance portion side of the hole 57 corresponds to the cross-sectional shape of the flat portion 56a of the connector terminal 56 and the lead portion 56d, and the clog teeth are seen from the side in plan view.
- the hole has a shape as seen, and is composed of two openings (through holes) 57a through which the lead part 56d passes and an opening (press-in hole) 57b into which the press-fit part 56c is press-fitted.
- the opening 57a is the same as the outer shape of the lead portion 56d when the connector terminal 56 is viewed in the press-fitting direction, but is slightly smaller in size, that is, the minimum size that allows the lead portion 56d to be press-fitted from the tip side. Have.
- the opening 57b has a size slightly smaller than the outer shape including the press-fit portion 56c when the connector terminal 56 is viewed from the press-fit direction. Therefore, the size of the inner peripheral surface of the hole 57 is configured to be slightly smaller than the size of the outer peripheral surface of the connector terminal 56.
- the outlet side of the hole 57 is surrounded by a guide wall 57d, which will be described in detail later, around two openings (through holes) 57a through which only the lead portion 56d passes. Therefore, only that portion is configured to seal the outlet side of the opening 57b.
- the guide wall 57d is formed along the line.
- the guide wall 57d is formed in at least three directions (left-right direction and offset direction of the lead portion 56d) surrounding each lead portion 56d, and the height thereof is at least the outlet of the hole 57 when the connector terminal 56 is accommodated. It has a distance from the outer periphery on the side to the bent portion 56f near the tip of the lead portion 56d.
- FIG. 10 is a view showing a state in which the lead portion 56d protrudes from the hole 57 of the press-fit portion 56c configured as described above through the guide wall 57d in the vicinity of the guide wall 57d portion of the connector 50.
- (a) is a top view
- (b) is a side view
- (c) is a perspective view.
- the lead portion 56d and the guide wall 57d are composed of three side surfaces in the three directions out of the rectangular cross section of the lead portion 56d and the inner surface of the guide wall 57d.
- the regions are arranged so as to be in direct contact with each other, and as shown in the side view (b), the region of the connector housing 55 press-fits the periphery of the press-fit portion 56c of the connector terminal 56 on the outlet side. It extends from the end portion 57c to beyond the bent portion 56f near the tip end portion of the lead portion 56d of the connector terminal 56.
- both side surfaces parallel to the line connecting the bent portions 56e and 56f and the inner surface of the guide wall 57d are more than the distance between the both side surfaces of the lead portion 56d.
- the inner surface of the lead portion 56d is in close contact by the press-fitting from the outlet side of the hole 57 to the bent portion 56f of the lead portion 56d, and among the side surfaces of the lead portion 56d, Of the side surface perpendicular to the line connecting the bent portions 56e and 56f in the offset direction of the lead portion 56d, the surface opposite to the plane of the insertion portion 56a (the back side on the offset direction side)
- the surface S) and the inner surface of the guide wall 57d are similar in size to the outer shape of the lead portion 56d when the size of the opening 57a is viewed in the press-fitting direction.
- the guide wall 57d cooperates with the side surface portion of the lead portion 56d to seal the inner side of the connector housing 55 from the lead portion 56d as shown in the perspective view (c). Is adopted.
- FIG. 11A is a view of the connector 50 viewed from the insertion port side
- FIG. 11B is a cross-sectional view taken along the line AA in FIG. 11A
- FIG. 11C is a cross-sectional view taken along the line BB in FIG.
- white arrows in the above drawings (a) and (b) indicate the insertion direction of the connector terminal 56.
- the size of the inner peripheral surface of the hole 57 is equal to that of the outer peripheral surface of the connector terminal 56. Since it is configured to be slightly smaller than the size, the lead portion 56d of the connector terminal 56 passes through the opening portion 57a of the hole 57, and the press-fit portion 56c of the connector terminal 56 is press-fitted into the opening portion 57b of the hole 57 with a tight fit. It becomes a state.
- the protrusion of the press-fit portion 56c bites into the inner wall of the opening 57b around the inside of the press-fit end portion 57c, and the connector housing 55 holds the connector terminal 56 with a sufficient holding force. Therefore, it is possible to make the connector terminal 56 difficult to be removed from the connector housing 55.
- the connector terminal 56 Since the opening 57b has such a size that the stopper 56b cannot penetrate, the connector terminal 56 is press-fitted until the stopper 56b abuts against the bottom side of the connector housing 55. In this way, the connector terminal 56 is positioned in the press-fitting direction.
- the lower end surface of the press-fit portion 56c may be configured to slightly protrude from the opening 57b and be accommodated in the press-fit end portion 57c as in the above embodiment, but the press-fit end portion 57c. It is also possible to adopt a configuration that does not protrude without providing.
- the guide walls 57d are arranged so as to contact each other on both the left and right sides with the lead portion 56d interposed therebetween. Further, as shown in FIG. 11 (c), the guide wall 57d is formed on the offset side of the lead portion 56d with respect to the plane of the insertion portion 56a, and is bent from the periphery of the opening portion 57a to the distal end side of the lead portion 56d. Up to 56f, it is arranged so as to be in close contact with each other at least around the bent portion 56f on the distal end side.
- the lead portion 56d and the guide wall 57d thus cover the outlet side of the opening portion 57a.
- the opening 57a is closed, and foreign matter can be prevented from entering from the connector insertion port side to the substrate 40 side.
- the openings 57a to 57b of the hole 57 can be formed continuously from the opening of the power connector part 51 formed on the opposite side of the connector housing 55.
- the mold design of the connector housing 55 is also relatively easy.
- the guide wall 57d is erected from the peripheral edge of the opening portion through which the lead portion 56d of the connector terminal 56 passes from the connector 50 at the upper end portion 57e of the guide wall 57d.
- a configuration in which the seal lip portion 58 is provided may be employed.
- FIG. 12 is a view showing an example in which the seal lip portion 58 is provided on the upper end portion 57e of the guide wall 57d around the guide wall 57d portion of the connector 50, and (a) is a top view thereof.
- (B) is a side view thereof,
- (c) is a perspective view thereof, and
- (d) is a sectional view taken along line XX in FIG.
- the seal lip portion 58 is formed upright from the periphery of the opening portion of the upper end portion 57e of the guide wall 57d, and has three side surfaces (the lead portion) of the lead portion 56d protruding from the upper end portion 57e of the guide wall 57d.
- the rear surface S of the offset direction side of 56d and the surface surrounding both sides thereof are configured to cover the guide wall 57d.
- the seal lip portion has insulating properties and heat conductivity, and is made of flexible synthetic resin or elastomer having flexibility, and is in close contact with the three side surfaces of the lead portion and the upper end portion of the guide wall.
- the contact surface between the lead portion 56d and the guide wall 57d is sealed with respect to the substrate direction, and is in close contact with the side surface of the lead portion 56d. It is possible to maintain a stable contact state.
- the seal lip 58 is configured to cover the upper edge of the guide wall 57d from the periphery of the opening portion of the upper end 57e of the guide wall 57d as described above, The penetration part of the lead 56d of the lip part 58 is formed smaller than the outer diameter of the lead 56d.
- the seal lip may be bonded to the upper end portion 57e of the guide wall 57d with an adhesive or the like, or may be bonded using the elastomer or the like having a self-bonding action. Further, the seal lip material penetrates into the space between the guide walls 57d from the periphery of the opening portion of the upper end portion 57e and then stands from the periphery of the opening portion as described above. It may be what you did.
- the guide wall 57d is merely provided by bringing the inner surface of the seal lip portion 58 into close contact with the side surface of the lead portion 56d protruding from the upper end portion 57e of the guide wall 57d. It is possible to further improve the sealing performance from the connector housing 55 side to the substrate 40 than in the case of the above. And since the said seal lip part 58 is formed with materials, such as a synthetic resin, it is possible to maintain elasticity and to maintain airtightness even after the above connector press fitting.
- the connector housing 55 is provided with the opening portion 57a through which the lead portion 56d can be press-fitted and penetrated. It is possible to press fit in the insertion direction of the connection terminal. Therefore, the connector terminal 56 in which the lead portion 56d is previously bent can be outsert to the connector housing 55, and the connector 50 can be assembled relatively easily and at low cost.
- the connector terminal 56 is connected from the external connection device from the lead portion 56d side. Can be inserted in the terminal insertion direction. Therefore, it is possible to prevent terminal disconnection or load on the substrate due to the load from the connection terminal insertion side.
- the lead portion 56d by bending the lead portion 56d, the stress on the substrate and the soldering portion due to thermal contraction and thermal expansion can be reduced.
- the bent portions 56e and 56f are provided so that the lead portion 56d bends in two steps from the outside of the connector housing 55 to the center direction. The position can be brought close to the adjacent communication connector portion 52, and the attachment portion of the connector 50 to the board 40 can be made compact.
- the connector terminal 56 is provided with a stopper 56b and the connector terminal 56 is inserted from the connector insertion direction and abuts the stopper 56b, the connector terminal 56 can be positioned in the press-fitting direction by the stopper 56b. At the same time, it is possible to prevent the connector terminal 56 from directly transmitting the load toward the board when receiving the insertion load of the connector or the pushing force (external force) to the connector terminal 56.
- the stopper 56b is provided at the side edge of the flat plug-in portion 55a, so that it is difficult to buckle.
- the connector 50 can be assembled easily and at a low cost, and the protrusion can be inserted into the opening 57b. A sufficient holding force can be exerted by biting into the inner wall, and terminal loss can be suppressed.
- the connector terminal 56 can be easily press-fitted and hard to come off.
- the lead portion 56d is bent in advance and then outsert to the connector housing 55, it is possible to eliminate the need for an extra facility for performing the bending process as compared with the case of bending after the outsert. Accuracy is also improved. Moreover, since the stress to the resin part generated at the time of bending after the outsert can be relaxed by bending the connector 50 first, the occurrence of cracks in the connector 50 can be prevented. Furthermore, since the bending dimension and the length dimension can be regulated first and the press-fitting depth of the connector terminal 56 can be determined by the stopper 56b, the positional accuracy of the lead portion tip is improved.
- the guide wall 57d is formed so as to be in close contact with the side surface of the lead portion 56d along the outer periphery of the opening portion 57a, thereby closing the through hole 57a of the lead portion 56d.
- a sealed structure is used to prevent foreign material from entering the board from the connector housing side. Therefore, in addition to the above-described effect of sealing, the lead portion 56d can be protected by the guide wall 57d. Therefore, the lead portion 56d can be reinforced against the bending load input, and the lead portion 56d can be prevented from falling. be able to.
- the assembly of the connector 50 can be performed easily. Furthermore, since foreign matter can be prevented from entering the ECU 50 through the connector housing 55 from the connector 50 side, the reliability of the ECU can be improved.
- the guide wall 57d is configured to be in contact with the three side surfaces of the lead portion 56d.
- four side surfaces of the lead portion 56d S ′ which is the opposite surface of the surface S on the back side of the offset direction of the lead portion 56d is added to the three side surfaces). It is also possible to make contact with each other.
- FIG. 13 is a view showing another embodiment of the guide wall 57d and the hole 57, (a) and (b) are perspective views, and (c) are side views. . As shown in FIG.
- the guide wall 57d may be configured so as to be in contact with the four side surfaces (that is, the entire side surface) of the lead portion 56d along the outer periphery of the opening 57a.
- the third side surface S ′ is configured to be pressed and brought into close contact with the lead portion 56d.
- the height of the guide wall 57d is such that the three surface portions of the four side surfaces are from the outlet side of the hole 57 as shown in the example described in FIG. 10 or FIG.
- the height of the bent portion 56f near the tip of the lead portion 56d may be as high as the other one surface portion, and the height may be as high as the bent portion 56e near the opening 57a of the connector 50.
- the shape of the entrance side of the hole 57 formed in the connector housing 55 is made into the shape which looked at the teeth of the clogs from the side as shown in FIG.
- FIG. 9B the case where the opening 57b is divided by the guide wall has been described.
- the opening 57b into which the press-fitting portion 56c of the connector terminal 56 is press-fitted closes the outlet side, for example, as shown in FIG. 13B and a side view 13c of the lead side. It may be configured to further improve the sealing performance.
- FIG. 14 is a view showing a configuration example when the seal lip portion 58 is provided at the upper end portion 57e of the guide wall 57d, (a) is a perspective view, (b) is a side view thereof, (C) is a top view seen from the lead side.
- the seal lip portion 58 is specifically formed upright from the periphery of the opening portion of the upper end portion 57e of the guide wall 57d, and extends from the upper end portion 57e of the guide wall 57d.
- the protruding lead portion 56d is configured to cover four side surfaces.
- the guide wall 57d is configured to be in contact with the four side surfaces (that is, the entire circumference of the side surface) of the lead portion 56d along the outer periphery of the opening 57a.
- the seal lip portion 58 can be formed so as to further cover the entire four contact surfaces and the upper end portion 57e of the guide wall with respect to the substrate direction. It is.
- the seal lip portion has insulating properties and thermal conductivity, and is made of flexible synthetic resin or elastomer having flexibility, and the four contact surfaces of the lead portion and the upper end portion of the guide wall Even if the lead portion 56d is thermally deformed by being in close contact with 57e, it is possible to maintain a stable contact state while keeping in close contact with the four side surfaces of the lead portion 56d.
- the seal lip is configured to cover the four side surfaces of the lead portion 56d protruding from the upper end portion 57e of the guide wall 57d from the periphery of the opening portion of the upper end portion 57e of the guide wall 57d.
- the penetration portion of the lead 56d of the seal lip 58 is formed smaller than the outer diameter of the lead 56d.
- the seal lip may be bonded to the upper end portion 57e of the guide wall 57d with an adhesive or the like, or may be bonded using the elastomer or the like having a self-bonding action.
- the seal lip material penetrates into the space between the guide wall 57d from the periphery of the opening portion of the upper end portion 57e, and is erected from the periphery of the opening portion as described above. It does not matter.
- the seal lip portion 58 is formed of a material such as a synthetic resin, it is possible to maintain elasticity and maintain sealing even after the connector is press-fitted as described above. .
- the connector housing 55 is made of a synthetic resin containing a heat conductive material or the like.
- a heat conductive resin is used for the connector housing 55, and particularly high heat conductivity is used.
- the heat transfer efficiency by the connector housing 55 is increased by a synergistic effect of the direct contact between the lead portion 56d of the connector terminal 56 and the guide wall 57d. Further, it is possible to more effectively dissipate heat from the connector terminal 56 via the connector housing 55.
- the present invention is applied to the connector terminal 56 of the power connector portion 51 .
- the connector terminal has a bent lead portion and is inserted into the connector housing by press fitting,
- the present invention is not limited to the above case.
- the assembly of the connector terminal to the connector housing is simplified, the lead portion protruding from the connector housing is protected, and foreign matter intrusion from the connector side into the ECU is prevented. It is possible to effectively realize prevention, and the present invention is extremely useful.
Abstract
Description
そして、上記ガイド壁57dはこうした構成により、上記リード部56dの側面部分と共働して、上記斜視図(c)でも示されるように、リード部56dからコネクタハウジング55の内部側を密閉する構造を採っている。
2 コラム軸(ステアリングシャフト、ハンドル軸)
3 減速機構
4a 4b ユニバーサルジョイント
5 ピニオンラック機構
6a 6b タイロッド
7a 7b ハブユニット
8L 8R 操向車輪
9 トルクセンサ
10 コントロールユニット
11 イグニションキー
12 車速センサ
13 バッテリ
14 舵角センサ
20 ケース
21 半導体モジュール載置部
21a ねじ孔
22 電力及び信号用コネクタ実装部
23 3相出力用コネクタ実装部、23a ねじ孔
24 取付けポスト、 24a ねじ孔
30 半導体モジュール
31 基板
31a 貫通孔
38 取付けねじ
39 放熱用シート
40 制御回路基板
40a 貫通孔、40b 孔
41 取付けねじ
50 電力及び信号用コネクタ、 50a 取付けねじ
51 電源コネクタ部
52 通信コネクタ部
53 トルク信号コネクタ部
54 舵角センサコネクタ部
55 コネクタハウジング
56 電源コネクタ端子(端子)、56a 差込部、56b ストッパ、56c 圧入部、56d リード部、56e、56f 屈曲部
57 孔、57a 開口部(貫通孔)、57b 開口部(圧入孔)、57c 圧入端部、 57d ガイド壁、57e ガイド壁上端部
58 シールリップ部
60 3相出力用コネクタ、60a 貫通孔
61 取付けねじ
70 カバー
92a a相出力ライン、92b b相出力ライン、92c c相出力ライン
Claims (8)
- 外部接続端子と電気的に接続する端子金具を含む差込部と当該差込部の端部にその一端が固定され他端が基板に接続される屈曲した形状を有するリード部とを備えるコネクタ端子と、前記コネクタ端子を保持するコネクタハウジングとを備え、
前記コネクタハウジングは、前記コネクタ端子のリード部が設けられた側を前記コネクタハウジングの外部接続端子の差込側から挿入することにより前記リード部が貫通可能な最低限の大きさを有する貫通孔と、前記貫通孔の外周に沿って形成され、前記リード部が前記コネクタハウジングから突き出る方向に突出するガイド壁とを備え、
前記ガイド壁は、前記コネクタハウジングが前記コネクタ端子を保持した状態で、少なくとも前記貫通孔の外周から前記リード部の屈曲部のうち前記リード部の先端側に近い位置までの高さを有し、前記ガイド壁の内壁と前記リード部の側面とは、少なくとも1面で相互に直接接触し、他の2面で前記貫通孔の外周から前記リード部の屈曲部のうち前記リード部の先端側に近い位置までの高さにわたって相互に直接接触することにより、前記リード部の屈曲部から前記コネクタハウジングの内側にかけて密閉構造を構成することを特徴とするコネクタ。 - 前記ガイド壁の上端部の開口部周縁から立設するようにシールリップ部を設けて、前記シールリップ部の内側面と前記リードの側面とを接触させることで密封性を向上させた請求項1に記載のコネクタ。
- 前記コネクタハウジングは、前記コネクタ端子が圧入される圧入孔を備え、
前記差込部は、前記リード部の固定側端部に、前記圧入孔に圧入する圧入部を備えることを特徴とする請求項1又は2に記載のコネクタ。 - 前記圧入部は、前記差込部の側縁部から側方に突出する微小な突起を備えることを特徴とする請求項1乃至3のいずれか1項に記載のコネクタ。
- 前記差込部は、前記リード部の固定側とは反対側に前記圧入部に隣接して設けられ、前記圧入孔の外周よりも側方に突出するストッパを備えることを特徴とする請求項1乃至4のいずれか1項に記載のコネクタ。
- 前記端子金具は、平板形状の電源供給用の接続端子であることを特徴とする請求項1乃至5のいずれか1項に記載のコネクタ。
- 前記リード部は、四角形状の断面形状を有し、その先端部分が、前記コネクタハウジングによる保持状態において、前記コネクタ端子の前記コネクタハウジングへの挿入方向に一致し、且つ前記差込部への固定点に対して前記コネクタハウジングの中心側にオフセットした位置に延在する略Z形状となるよう2つの屈曲部を備え、前記ガイド壁は前記断面が四角形状のリード部のうち少なくとも3面の側面に接触して構成されていることを特徴とする請求項1乃至6のいずれか1項に記載のコネクタ。
- 前記コネクタは、熱伝導性樹脂により構成される請求項1乃至7のいずれか1項に記載のコネクタ。
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JP2016573429A JP6137426B2 (ja) | 2015-02-06 | 2016-02-05 | コネクタ |
EP16746714.1A EP3255736B1 (en) | 2015-02-06 | 2016-02-05 | Connector with sealing |
CN201680008602.9A CN107210559B (zh) | 2015-02-06 | 2016-02-05 | 连接器 |
US15/545,042 US10062983B2 (en) | 2015-02-06 | 2016-02-05 | Connector |
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US10279928B2 (en) * | 2015-08-26 | 2019-05-07 | The Boeing Company | Delta offset based surface modeling |
DE102017222999B4 (de) * | 2017-12-18 | 2021-10-21 | Robert Bosch Gmbh | Sensoreinrichtung für ein Lenksystem eines Fahrzeugs |
JP7017987B2 (ja) * | 2018-06-13 | 2022-02-09 | ホシデン株式会社 | コネクタアッセンブリ、接続モジュール及び接続モジュールの製造方法 |
JP6936203B2 (ja) * | 2018-10-23 | 2021-09-15 | 矢崎総業株式会社 | 端子台、三連端子台、及び車載機器 |
JP7253354B2 (ja) * | 2018-10-31 | 2023-04-06 | モレックス エルエルシー | コネクタ |
US11268376B1 (en) | 2019-03-27 | 2022-03-08 | Acuity Technical Designs, LLC | Downhole safety switch and communication protocol |
DE102020110355A1 (de) * | 2019-04-17 | 2020-10-22 | Steering Solutions Ip Holding Corporation | Anschlussklinge für header-baugruppe |
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US11619119B1 (en) | 2020-04-10 | 2023-04-04 | Integrated Solutions, Inc. | Downhole gun tube extension |
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JP6137426B2 (ja) | 2017-05-31 |
JP2017143080A (ja) | 2017-08-17 |
JP6288351B2 (ja) | 2018-03-07 |
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JP2018101634A (ja) | 2018-06-28 |
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