JP2008181851A - Electronic unit for attaching wiring harness and method for recovering the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic unit for attaching a wiring harness capable of preventing stress at the time of crimping a wire from being applied to a substrate directly and protecting the substrate or a wire crimping place from external forces surely. <P>SOLUTION: The electronic unit for attaching a wiring harness is provided with a substrate 20 carrying electronic parts 21, a housing 10 housing the substrate 20 and formed of a rigid material, crimping terminals fixed in the housing 10, connected electrically to a circuit on the substrate 20 and enabling to crimp wires W of the wiring harness from the outside, and covers 15 and 16 provided integrally with or separately from the housing 10 and covering the substrate 20 and the wire crimping place corresponding to the crimping terminals 22. The housing 10 has a partition wall 12 in the middle of an opened upper surface and an opened lower surface, and the crimping terminals 22 are fixed in the partition wall 12. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electronic unit for mounting a wire harness that is mounted on a vehicle in a state of being mounted on a wire harness, and a recovery method thereof.

  25 (a) and 25 (b) show the configuration of a conventional electronic unit for mounting this kind of wire harness.

The electronic unit 100 for mounting the wire harness includes a substrate 102 on which an electronic component 101 is mounted, a press contact terminal 103 fixed to the substrate 102 and electrically connected to the electric wire W in the wire harness WH by press contact, and the press contact A heat contraction tube 105 is provided to cover the peripheral wire W and the outer peripheral shape of the substrate 102 including the wire pressure contact portion by the terminal 103.
JP 2000-251966 A

  In the conventional wire harness mounting electronic unit 100, since the pressure contact terminal 103 is directly mounted on the substrate 102, the stress at the time of the wire pressure contact is directly applied to the substrate 102, and the substrate 102 is deformed or accompanied by the deformation. As a result, there is a problem that defective products are generated in which the electronic component 101 falls off. In addition, since the substrate 102 and the like are only covered with the heat shrinkable tube 105, there is a possibility that an external force may reach the inside substrate 102 or the wire pressure contact portion, and it is necessary to pay sufficient attention when handling the wire harness. there were.

  In addition, when the electronic unit 100 for mounting the wiring harness attached to the wiring harness WH fails, the electronic unit 100 for mounting the wiring harness that has failed is removed from the wiring harness WH, and a new electronic unit for mounting the wiring harness is attached to the wiring harness WH. In general, the electronic unit for mounting the wire harness is restored by re-attaching the wire harness.

  However, in such a recovery method, a process of removing the broken electronic unit for mounting the wire harness 100 from the wire harness WH is necessary, and thus the recovery process is troublesome. In addition, when the pressure contact terminal 103 of the broken electronic unit for mounting the wire harness 100 is removed from the electric wire W, there is a high possibility that the electric wire W will be damaged, and this is a low-reliability recovery method.

  In consideration of the above circumstances, the present invention can prevent the stress at the time of wire pressure welding from directly reaching the substrate, and can securely protect the substrate and the wire pressure welding portion from external force. The purpose is to provide.

  Another object of the present invention is to provide a method for recovering an electronic unit for mounting a wire harness, in which the recovery process is not troublesome and can be recovered with high reliability.

  The invention according to claim 1, which achieves the above object, includes a board on which electronic components are mounted, a housing made of a rigid material that accommodates and holds the board, and is fixed in the housing and electrically connected to a circuit on the board. A press-connecting terminal capable of press-connecting the electric wire of the wire harness from the outside, and a cover that covers the board and the press-contacting portion of the press-connecting terminal by being provided integrally or separately with the housing. This is an electronic unit for mounting a wire harness.

  The invention according to claim 2 is the electronic unit for mounting the wire harness according to claim 1, wherein the housing has an upper surface and a lower surface that are open, a partition wall is provided between the opened upper surface and the lower surface, and is opposed to the housing. A rectangular box-like shape having a wire harness passage opening in the lower half of the side wall, and the intermediate portion in the longitudinal direction of the press contact terminal is inserted into the through hole formed in the partition wall, thereby The contact terminal is supported and fixed to the partition wall of the housing in a state where the portion is exposed on the lower surface side of the partition wall and the board connection portion is exposed on the upper surface side of the partition wall. A wiring harness is provided, wherein a substrate support for receiving and holding the substrate is provided in parallel with the partition wall at an interval, and the cover is formed to close the upper and lower surfaces of the housing for It is a child unit.

  The invention according to claim 3 is the electronic unit for mounting the wire harness according to claim 1 or 2, wherein the substrate has a circuit cutting hole formed in the vicinity of the circuit. This is an electronic unit for mounting a harness.

  Invention of Claim 4 is the electronic unit for wire harness mounting in any one of Claims 1-3, Comprising: The said housing is a board | substrate accommodation side housing which accommodates and hold | maintains the said board | substrate, and this board | substrate accommodation side An electronic unit for mounting a wire harness, characterized in that the electronic unit is attached to a housing in a detachable manner and includes a wire pressure contact side housing that accommodates a pressure contact point with the wire.

  The invention according to claim 5 is the electronic unit for mounting the wire harness according to claim 4, wherein the press contact terminal is attached to and detached from the board connection side terminal part connected to the circuit of the board and the board connection side terminal part. It is an electronic unit for mounting a wire harness, characterized in that it is formed freely and is composed of a wire connection side terminal portion that is press-connected to the wire.

  The invention according to claim 6 is the electronic unit for mounting the wire harness according to claim 1 or 2, wherein the press contact terminal is a wire press contact portion that is press contact connected to the wire, and a spring-like substrate having a spring property. The wire harness mounting electronic unit according to claim 1, further comprising a contact portion, wherein the spring-like substrate contact portion is pressed against the circuit on the substrate by springiness.

  Invention of Claim 7 is the electronic unit for wire harness mounting of Claim 1 or Claim 2, Comprising: The said press-contact terminal has the electric wire press-contact part press-connected to the said electric wire, and a press fit part, An electronic unit for mounting a wire harness, wherein the press-fit portion is press-fitted to a circuit on the substrate.

  The invention according to claim 8 is the electronic unit for mounting the wire harness according to claim 6 or 7, wherein the press contact terminal is supported and fixed at a position spaced apart from the substrate in the housing. An electronic unit for mounting a wire harness, comprising a holder.

  According to the ninth aspect of the invention, the electronic unit for mounting the wire harness having the press contact terminal is mounted on the wire harness by the press contact connection of the press contact terminal to the electric wire in the wire harness, and the electronic unit for mounting the wire harness has failed. In this case, the wire harness mounting is characterized in that a recovery is performed by separately attaching a new electronic unit for mounting the wire harness to the wire harness without removing the failed electronic unit for mounting the wire harness from the wire harness. This is a recovery method for the electronic unit.

  The invention of claim 10 is a method for restoring an electronic unit for mounting a wire harness according to claim 9, wherein the novel electronic unit for mounting a wire harness accommodates and holds a substrate on which an electronic component is mounted, and the substrate. A housing made of a rigid material, a pressure contact terminal fixed in the housing and electrically connected to the circuit on the substrate, and capable of being pressed and connected to the wire harness from the outside, and a housing integrally or separately provided And a cover for covering the substrate and the wire pressure contact portion with respect to the pressure contact terminal. A method for restoring an electronic unit for mounting a wire harness, comprising:

  The invention of claim 11 is a method for restoring an electronic unit for mounting a wire harness according to any one of claims 9 or 10, wherein the circuit unit of the board is connected to the failed electronic unit for mounting a wire harness. It is a restoration method for an electronic unit for mounting a wire harness, characterized by performing a disconnection process.

  A twelfth aspect of the invention is a restoration method for an electronic unit for mounting a wire harness according to any one of the ninth or tenth aspects, wherein the substrate housing side housing that houses and holds the substrate, and the substrate housing side housing When the wire harness mounting electronic unit having a housing composed of the wire pressure welding side housing that is detachably attached to the wire and accommodates the pressure contact portion with the electric wire, the substrate of the failed wire harness mounting electronic unit and A restoration method for an electronic unit for mounting a wire harness, wherein the restoration is performed by exchanging a substrate housing side housing.

  A thirteenth aspect of the invention is a method for restoring an electronic unit for mounting a wire harness according to any one of the ninth or tenth aspects, wherein the electric wire pressure contact portion is press-connected to the electric wire, and a spring having a spring property. Only when the wiring harness mounting electronic unit having a pressure contact terminal having a contact with the circuit on the substrate is pressed against the circuit on the substrate due to a spring failure. It is the restoration method of the electronic unit for wire harness mounting characterized by performing restoration | repair by replacing | exchanging.

  The invention of claim 14 is a method for recovering an electronic unit for mounting a wire harness according to any one of claims 9 and 10, and includes a wire press-contact portion that is press-connected to the wire, and a press-fit portion. When the wire harness mounting electronic unit having a press contact terminal in which the press-fit portion is press-fitted to the circuit on the substrate fails, the recovery is performed by replacing only the substrate. It is a restoration method of the electronic unit for mounting a wire harness.

  According to the first aspect of the present invention, the substrate housed in the housing is mounted directly in the middle of the wire harness by covering the cover by press-connecting the wire of the wire harness to the press contact terminal supported and fixed in the housing. Can do. Therefore, it is not necessary to connect the electric wire with a connector, and it is not necessary to handle an extra wire harness.

  Further, since the press contact terminal is not supported on the substrate but directly fixed to the housing made of a rigid material, the stress at the time of the wire press contact is not directly applied to the substrate. Therefore, it is possible to suppress the occurrence of defective products in which the substrate is deformed by the force during the pressure welding of the wires, and the mounted components are dropped due to the deformation, and the reliability can be improved. In addition, since there is no possibility of deformation of the substrate, the work becomes easier and the productivity can be improved.

  Moreover, since the substrate is protected by the housing and the cover, there is no possibility of damaging the substrate when the wire harness is handled, and the reliability of the electronic unit for mounting the wire harness at the stage of mounting on the wire harness can be improved.

  According to the second aspect of the present invention, in order to assemble the electronic unit for mounting the wire harness, first, the substrate on which the electronic component is mounted is accommodated in the housing from the upper surface opening of the housing and fixed to the substrate support portion. Next, the press contact terminal is inserted into a through-hole formed in the partition wall of the housing, and the board connection portion of the press contact terminal is electrically connected to the circuit on the board. In this state, the process proceeds to the wire harness connection step, and in this step, the wires of the wire harness are pressure-connected to the wire pressure-contact portions of the pressure-contact terminals exposed on the lower surface side of the partition wall. Then, the cover is covered to protect the substrate and the press-contacting portion of the wire against the press-contact terminal, and the mounting of the wire harness mounting electronic unit to the wire harness is completed. In this state, since the housing and cover are protected by the housing and cover, there is no risk of damaging the substrate or the wire pressure contact area when handling the wire harness, and the reliability and impact resistance of the electronic unit for mounting the wire harness is improved. Can be planned.

  In addition, by increasing the length of the press contact terminal on the board connection part side and widening the space between the partition wall and the board, it becomes possible to mount components not only on the front side of the board but also on the back side, As a result, the electronic unit for mounting the wire harness can be reduced in size.

  According to the invention of claim 3, when the electronic unit for mounting the wire harness breaks down and the recovery is attempted by mounting the new electronic unit for mounting the wire harness on the wire harness in the vicinity thereof, the broken wire harness When the function of the mounting electronic unit is stopped by circuit disconnection, the circuit disconnection process can be easily performed.

  According to the invention of claim 4, when the electronic unit for mounting the wire harness fails and the recovery is attempted, the substrate of the failed electronic unit for mounting the wiring harness and the substrate accommodating side housing, that is, only the substrate accommodating side. Recovery is possible simply by replacing the with a new one. Therefore, the electric wire pressure welding side of the electronic unit for mounting the wire harness can be reused, and cost reduction and man-hour reduction can be achieved. There is no need to secure a mounting space for the new wiring harness mounting electronic unit in the vicinity of the broken wiring harness mounting electronic unit, and the installation space for the electronic unit is not increased. In addition, since the press contact terminal of the broken electronic unit for mounting the wire harness is not removed from the wire harness, the wire is not damaged when the press contact terminal is removed, and a highly reliable recovery is possible.

  According to the invention of claim 5, when the board housing side of the electronic unit for mounting the wire harness in claim 4 is removed from the wire pressure contact side, the board connection side terminal portion of the pressure contact terminal is separated from the wire connection side terminal portion. If the new board housing side is attached to the wire pressure welding side, the board connection side terminal portion of the new pressure welding terminal is attached to the old wire connection side terminal portion, so that the exchange workability is good.

  According to the invention of claim 6, since it is not necessary to remove the electronic unit for mounting the broken wire harness from the wire harness, and only the board can be easily replaced, the recovery cost (parts, man-hours) is minimized. Can be suppressed.

  According to the invention of claim 7, since it is not necessary to remove the broken electronic unit for mounting the wire harness from the wire harness and only the board can be easily replaced, the recovery cost (parts, man-hours) is minimized. Can be suppressed.

  According to the invention of claim 8, all the press contact terminals can be connected to the circuit on the substrate by a predetermined spring force or by a predetermined press fit depth.

  According to the ninth aspect of the present invention, there is no need to remove the broken wire harness mounting electronic unit from the wire harness, and it is only necessary to mount a new wire harness mounting electronic unit to the wire harness. Not. In addition, since the press contact terminal of the broken electronic unit for mounting the wire harness is not removed from the wire harness, the wire is not damaged when the press contact terminal is removed, and a highly reliable recovery is possible.

  According to the invention of claim 10, the novel electronic unit for mounting the wire harness can prevent the stress at the time of the wire pressure welding from being directly applied to the substrate during the mounting operation, and the substrate and the electric wire by the housing and the cover. The pressure contact point can be reliably protected from external force.

  According to the eleventh aspect of the present invention, when the electronic unit for mounting the wire harness breaks down and is restored by mounting a new electronic unit for mounting the wire harness in the vicinity thereof, The function of the unit can be completely stopped by circuit disconnection. Therefore, it is possible to reliably prevent the malfunctioning electronic unit for mounting the wire harness from interfering with the function of the new electronic unit for mounting the wire harness.

  According to the invention of claim 12, since it is not necessary to remove the broken electronic unit for mounting the wire harness from the wire harness, and only the substrate and the substrate housing side housing can be easily replaced, the recovery cost (parts, Man-hours).

  According to the invention of claim 13, since it is not necessary to remove the electronic unit for mounting the broken wire harness from the wire harness, and only the board can be easily replaced, the recovery cost (parts, man-hours) is minimized. Can be suppressed.

  According to the invention of claim 14, since it is not necessary to remove the electronic unit for mounting the broken wire harness from the wire harness and only the board can be easily replaced, the recovery cost (parts, man-hours) is minimized. Can be suppressed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
1 to 4 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view showing a state before use of an electronic unit for mounting a wire harness, and FIG. 2 shows the electronic unit for mounting a wire harness upside down. FIG. 3 is a cross-sectional view illustrating a state in which an electric wire is press-connected to the wire harness mounting electronic unit, and FIG. 4 is an external perspective view illustrating a state in which the wire harness mounting electronic unit is mounted on the wire harness.

  The electronic unit 1 for mounting the wire harness includes a substrate 20 such as a printed circuit board on which electronic components 21 are mounted on both sides, a housing 10 made of a rigid material (for example, made of hard plastic) that accommodates and holds the substrate 20, and the housing 10 A plurality of press contact terminals 22 fixed inside and electrically connected to a circuit (not shown) on the substrate 20 and capable of press-connecting the wire W of the wire harness WH from the outside, and mounted on the housing 10 later. Thus, the cover 15 and the cover 15 are configured to cover the substrate 20 and the press-contacting portion 22 with respect to the wire press-contacting portion.

  The housing 10 has a rectangular shape in which an upper surface and a lower surface are opened, a partition wall 12 is provided between the opened upper surface and the lower surface, and a passage port 11 of the wire W group of the wire harness WH is disposed in a lower half portion of the opposing side wall. It is configured as a box. The relationship between the passage port 11 and the press contact terminal 22 is such that the pass port 11 is positioned in the extending direction of the electric wire W that is in pressure contact with the press contact terminal 22. Further, a plurality of the press contact terminals 22 are arranged at intervals in the direction in which the separated wires W are arranged, and one row or a plurality of rows are provided in the direction in which each wire W extends.

  Further, as shown in FIG. 3, the press contact terminal 22 is exposed on the lower surface side of the partition wall 12 of the housing 10, and the board connecting portion 22 b is exposed on the upper surface side of the partition wall 12, 12 is supported and fixed. In this case, a step portion 22c is provided at the base of the wire pressure contact portion 22a, and the pressure contact terminal 22 is positioned and fixed so that the step portion 22c abuts against the lower surface of the partition wall 12 so as not to move further to the upper surface side. . The board connecting portion 22b is electrically connected to a circuit on the board 20 by being inserted into the through hole 20a of the board 20 and soldered. Also in this case, the base step portion 22d of the substrate connecting portion 22b is positioned against the substrate 20 by abutting against the lower surface of the substrate 20.

  In addition, a substrate support portion 13 for accommodating and holding the substrate 20 in parallel with the partition wall 12 is provided at the upper side of the partition wall 12 in the housing 10 by providing a step portion on the inner peripheral surface of the peripheral wall. Is provided.

  The covers 15 and 16 are formed so as to close the upper surface and the lower surface of the housing 10, so that the covers 15 and 16 and the housing 10 can be locked (lock protrusions) so that the covers 15 and 16 can be locked in the closed state. And lock frames) 17 and 18 are provided.

  Next, the operation will be described.

  In order to assemble the electronic unit 1 for mounting the wire harness, first, the substrate 20 on which the electronic component 21 is mounted is accommodated in the housing 10 from the upper surface opening of the housing 10 and positioned on the substrate support portion 13. Next, the press contact terminal 22 is inserted into each through hole 12 a formed in the partition wall 12 from the lower surface opening of the housing 10, and the board connecting portion 22 b of the press contact terminal 22 is soldered to the circuit on the board 20.

  In this state, the process proceeds to the wire harness connection step, and in this step, the electric wires W of the wire harness WH are press-connected to the electric wire press-contact portions 22a of the press-contact terminals 22 exposed on the lower surface side of the partition wall 12, respectively. Then, by covering the covers 15 and 16 and locking the lock portions 17 and 18, the wire pressure contact location with respect to the substrate 20 and the pressure contact terminals 22 is protected, and the mounting of the wire harness mounting electronic unit 1 to the wire harness WH is performed. Complete.

  In this state, the housing 10 and the covers 15 and 16 can protect the substrate 20 and the wire pressure contact portion, so that there is no possibility of damaging the substrate 20 and the wire pressure contact portion when the wire harness WH is routed. The reliability and impact resistance of the electronic unit 1 can be improved.

  In addition, the wire harness mounting electronic unit 1 is directly mounted in the middle of the wire harness WH by pressing and connecting the wire W of the wire harness WH to the press contact terminal 22 supported and fixed in the housing 10 and covering the covers 15 and 16. Therefore, it is not necessary to connect an electric wire with a connector, and an unnecessary wiring harness is not required.

  In addition, since the press contact terminal 22 is not supported by the substrate 20 but directly fixed to the housing 10 made of a rigid material, the stress at the time of the wire press contact is not directly applied to the substrate 20, and accordingly, at the time of the wire press contact. The problem of generation of defective products in which the substrate 20 is deformed by force or the mounted electronic component 21 is dropped due to the deformation can be solved, and the reliability can be improved. In addition, since there is no possibility of deformation of the substrate 20, the work becomes easier and the productivity can be improved.

  Further, as in the first embodiment, by increasing the length of the press contact terminal 22 on the side of the board connecting portion 22b and widening the space between the partition wall 12 and the board 20, the surface side of the board 20 In addition to being able to mount the electronic component 21 on the back side as well, it is possible to contribute to the electronic unit 1 for mounting the wire harness.

(Second Embodiment)
5 to 11 show a second embodiment of the present invention, FIG. 5 is a perspective view showing a mounted state of an electronic unit for mounting a wire harness, FIG. 6 is a cross-sectional view taken along line AA in FIG. 5, and FIG. 5 is a cross-sectional view taken along the line B-B in FIG. 5, FIG. 8 is a plan view of the electronic unit for mounting the wire harness, FIG. 9 is a plan view of the substrate, and FIG. 10 is a front view of the circuit cutting jig. FIG. 11 is a perspective view showing a state in which a new electronic unit for mounting a wire harness is mounted in the vicinity of the broken electronic unit for mounting a wiring harness.

  As shown in FIG. 5, the wire harness mounting electronic unit 1 </ b> A having the press contact terminal 22 is mounted on the wire harness WH by press-connecting the press contact terminal 22 to each electric wire W of the wire harness WH. Hereinafter, the configuration of the wire harness mounting electronic unit 1A will be described in detail. Since the configuration is substantially the same as that of the first embodiment, the same reference numerals are given to the same configuration portions.

  As shown in FIGS. 6 to 8, the electronic unit 1A for mounting the wire harness includes a substrate 20 such as a printed circuit board on which electronic components 21 are mounted on both surfaces, and a rigid material (for example, hard plastic) that accommodates and holds the substrate 20. And a circuit 20b (shown in FIGS. 8 and 9) fixed on the substrate 20 and electrically connected to the electric wire W of the wire harness WH. A plurality of press contact terminals 22 and covers 15 and 16 that cover the substrate 20 and the wire press contact locations with respect to the press contact terminals 22 by being mounted on the housing 10 later are configured.

  The housing 10 has an upper surface and a lower surface, a partition wall 12 between the opened upper surface and the lower surface, and a plurality of cutout grooves 11a through which the electric wires W of the wire harness WH are passed through the lower half of the opposite side wall. It is comprised as the thing of the rectangular box shape which has. The relationship between the notch groove 11a and the press contact terminal 22 is such that the notch groove 11a is positioned in the extending direction of the electric wire W press-contacted to the press contact terminal 22. On the lower surface of the partition wall 12 of the housing 10, an electric wire holding portion 12 b that holds the electric wires W protrudes. In addition, a pair of jig guide portions 19 is provided in the upper half portion of the opposing side wall from the partition wall 12. Each jig guide part 19 has a slide groove into which an end part of a circuit cutting jig 30 described below can be inserted from above.

  As shown in detail in FIGS. 8 and 9, the substrate 20 has a circuit 20b with a conductive printed pattern on at least the upper surface thereof, and a pair of circuit cuts are formed in the vicinity of both sides of the circuit 20b in which the power supply line is formed. A hole 20c is formed. In addition, a pair of notches 20 d for avoiding the pair of jig guide portions 19 is formed at both ends of the substrate 20.

  A plurality of the press contact terminals 22 are arranged at intervals in the direction in which the separated wires W are arranged, and one or a plurality of rows are provided in the direction in which each wire W extends.

  Further, the press contact terminal 22 is supported and fixed to the partition wall 12 of the housing 10 in a state where the press contact terminal 22 is exposed on the lower surface side of the partition wall 12 of the housing 10 and the board connecting portion 22b is exposed on the upper surface side of the partition wall 12. . In this case, the end face of the base of the pair of electric wire pressure contact portions 22a abuts against the lower surface of the partition wall 12, so that the pressure contact terminal 22 is positioned and fixed so as not to move further to the upper surface side. The board connecting portion 22b is electrically connected to the circuit 20b on the board 20 by being inserted into the through hole 20a of the board 20 and soldered.

  In addition, a substrate support portion 13 for accommodating and holding the substrate 20 in parallel with the partition wall 12 is provided at the upper side of the partition wall 12 in the housing 10 by providing a step portion on the inner peripheral surface of the peripheral wall. Is provided.

  The covers 15 and 16 are formed so as to close the upper surface and the lower surface of the housing 10, so that the covers 15 and 16 and the housing 10 can be locked (lock protrusions) so that the covers 15 and 16 can be locked in the closed state. And lock frames) 17 and 18 are provided. The inner surface of the cover 16 is provided with a wire retaining prevention portion 16a into which the ends of the pair of wire pressure contact portions 22a are inserted.

  Next, the circuit cutting jig 30 used in the restoration process of the wire harness mounting electronic unit 1A will be described. As shown in FIG. 10, the circuit cutting jig 30 is a plate made of an insulating material. The circuit cutting jig 30 has a pair of insertion positioning protrusions 30a at the lower part of both ends thereof, and has a cutting body part 30b at the lower part of the center. When the circuit cutting jig 30 is inserted to a position where the lower ends of the pair of insertion positioning protrusions 30a completely come into contact with the peripheral edge of the notch groove 20d of the substrate 20, the cutting main body 30b completely cuts the circuit 20b on the substrate 20. It is set to reach the insertion depth.

  Next, restoration work (function restoration work of the electronic unit) when the wire harness mounting electronic unit 1A breaks down will be described. This restoration work aims at restoration by attaching a new wire harness attachment electronic unit 1B in the vicinity thereof without removing the broken wire harness attachment electronic unit 1A from the wire harness WH. The new wire harness mounting electronic unit 1B has the same configuration as the failed wire harness mounting electronic unit 1A, and the same components in the drawings are denoted by the same reference numerals for clarification. This will be described below.

  First, the cover 15 of the broken electronic unit 1A for mounting the wire harness is removed from the housing 10 to expose the substrate 20 inside. As shown by phantom lines in FIG. 7, the circuit cutting jig 30 is inserted from above the opened housing 10, and both ends thereof are aligned with the guide grooves of the pair of jig guide portions 19 of the housing 10. insert. When the insertion positioning projections 30a at both ends of the circuit cutting jig 30 are inserted until they abut against the peripheral edge of the notch groove 20d of the substrate 20, the cutting body 30b of the circuit cutting jig 30 completely connects the circuit 20b of the substrate 20. Inserted to the cutting position. This disconnects the circuit 20b of the power supply line. When the cutting of the circuit 20b of the power supply line is finished, the cover 15 is attached to the housing 10, and the processing on the broken wire harness mounting electronic unit 1A side is finished.

  Next, as shown in FIG. 11, the new wire harness mounting electronic unit 1 </ b> B is mounted at the position of the wire harness WH in the vicinity of the failed wire harness mounting electronic unit 1 </ b> A. In order to mount the new wire harness mounting electronic unit 1 </ b> B, first, the substrate 20 on which the electronic component 21 is mounted is accommodated in the housing 10 through the upper surface opening of the housing 10 and positioned on the substrate support portion 13. Next, the press contact terminal 22 is inserted into each through hole 12 a formed in the partition wall 12 from the lower surface opening of the housing 10, and the board connecting portion 22 b of the press contact terminal 22 is soldered to the circuit on the board 20.

  In this state, the process proceeds to the wire harness connection step, and in this step, the electric wires W of the wire harness WH are press-connected to the electric wire press-contact portions 22a of the press-contact terminals 22 exposed on the lower surface side of the partition wall 12, respectively. Then, by covering the covers 15 and 16 and locking the lock portions 17 and 18, the wire pressure contact location with respect to the substrate 20 and the pressure contact terminal 22 is protected, and the mounting of the wire harness mounting electronic unit 1 </ b> B to the wire harness WH is performed. Complete. This completes the recovery work.

  As described above, when the restoration work as described above is performed, it is not necessary to remove the broken wire harness mounting electronic unit 1A from the wire harness WH, and thus the restoration process is simple. In addition, since the press contact terminal 22 of the broken electronic unit 1A for mounting the wire harness is not removed from the wire W of the wire harness WH, the wire W is not damaged when the press contact terminal 22 is removed, and a highly reliable recovery is possible. is there.

  In the second embodiment, as a new electronic unit 1B for mounting a wire harness, a substrate 20 on which an electronic component 21 is mounted, a housing 10 made of a rigid material that houses and holds the substrate 20, and a housing 10 that is fixed inside the housing 10 are fixed. A pressure contact terminal 22 that is electrically connected to the circuit 20b on the substrate 20 and is capable of being pressure-connected to the wire W of the wire harness WH from the outside, and covers 15 and 16 that cover the substrate 20 and the wire pressure contact locations with respect to the pressure contact terminal. A configuration was used. Therefore, the new electronic unit 1B for mounting the wire harness can prevent the stress at the time of the wire pressure welding from directly exerting on the substrate 20 at the time of the mounting operation. The pressure contact point can be reliably protected from external force.

  In the second embodiment, the broken wire harness mounting electronic unit 1B is subjected to the disconnection process of the circuit 20b for the power supply line of the substrate 20. Therefore, it is possible to reliably prevent the malfunctioning electronic unit for mounting the wire harness 1A from inhibiting the function of the new electronic unit for mounting the wire harness 1B. In the second embodiment, the power supply line circuit 20b is disconnected. However, if there is a signal line circuit that adversely affects the impedance change, the signal line circuit is also disconnected in the same manner. Is preferred.

  In addition, the circuit cutting work by the circuit cutting jig 30 was performed before the mounting work of the new wire harness mounting electronic unit 1B, but it may be performed after the mounting work of the new wire harness mounting electronic unit 1B. good. Further, depending on the content of the failure, it may not be necessary to stop the function of the wire harness mounting electronic unit 1A, and it is not necessary to perform a circuit disconnection process in such a failure.

  In the second embodiment, the broken wire harness mounting electronic unit 1A and the new wire harness mounting electronic unit 1B have the same configuration. However, the broken wire harness mounting electronic unit 1A only needs to have a pressure contact terminal 22 for press-connecting to the electric wire W, and the new wire harness mounting electronic unit 1B is also connected to the electric wire W by press-contacting. What is necessary is just to have the press contact terminal 22 and to have at least the same function as compared with the broken electronic unit 1A for mounting the wire harness.

(Third embodiment)
12 to 17 show a third embodiment of the present invention, FIG. 12 is a perspective view showing a state where an electronic unit for mounting the wire harness is mounted on the wire harness, and FIG. 13 is a cross-sectional view taken along the line CC in FIG. 14 is a cross-sectional view taken along the line D-D in FIG. 12, FIG. 15A is a front view of a terminal connection side terminal portion of the press contact terminal, and FIG. 15B is a side view of the substrate connection side terminal portion of the press contact terminal. 16 (a) is a plan view of the terminal portion of the pressure contact terminal on the wire connection side, FIG. 16 (b) is a front view of the terminal portion of the wire connection side of the pressure contact terminal, and FIG. FIG. 17 is a perspective view for explaining the recovery operation of the broken electronic unit for mounting the wire harness.

  As shown in FIG. 12, the electronic unit for mounting a wire harness 1C having the press contact terminal 22 is mounted on the wire harness WH by press-connecting the press contact terminal 22 to each electric wire W of the wire harness WH. Hereinafter, the configuration of the electronic unit 1C for mounting the wire harness will be specifically described. However, the same components as those in the second embodiment are denoted by the same reference numerals, the description thereof is omitted, and only different configurations are described. explain.

  As shown in FIGS. 13 and 14, the housing 40 of the wire harness mounting electronic unit 1 </ b> C includes a rigid material that accommodates a press contact portion between a substrate housing side housing 41 made of a rigid material that accommodates and holds the substrate 20 and the electric wire W. It is comprised from 2 members of the electric wire press-contact side housing 42 made from. The board housing side housing 41 and the wire pressure contact side housing 42 are provided with lock portions (lock protrusions and lock grooves) 31 and 32 so that the two housings 41 and 42 can be locked together. A pair of flanges 33 are provided on the left and right side walls of the substrate housing 41 to easily unlock the lock portions 31 and 32. The pair of flanges 33 are used to bend and deform the substrate housing side housing 41 so that the lock portion 31 at the left and right positions is expanded, that is, the lock release direction can be changed. Further, through holes 34 a and 35 a for penetrating the press contact terminal 36 are provided at positions corresponding to each other of the partition walls 34 and 35 of both housings 41 and 42.

  The press contact terminal 36 is composed of two members: a board connection side terminal portion 37 that is connected to the circuit of the substrate 20 and a wire connection side terminal portion 38 that is press contact connected to the electric wire W. As shown in detail in FIGS. 15 (a) and 15 (b), the board connection side terminal part 37 is configured by a board connection part 37a, a male connection part 37b, and a pair of flange parts 37c arranged therebetween. Yes. The electric wire connection side terminal portion 38 includes a pair of electric wire pressure contact portions 38a, a female connection portion 38b, and a connecting portion 38c that connects them. The press contact terminal 36 is combined by press-connecting between the male connection portion 37 a of the board connection side terminal portion 37 and the female connection portion 38 b of the wire connection side terminal portion 38. And it can be made to isolate | separate by separating between the male connection part 37b and the female connection part 38b.

  As shown in FIGS. 13 and 14, the board connection side terminal part 37 has a male connection part 37 b that hangs downward from the through hole 34 a of the board housing side housing 41 and passes through the through hole 20 a of the board 20. The portion 37a is supported and fixed to the substrate 20 by being soldered. In this case, the pair of flange portions 37c of the substrate connection side terminal portion 37 are fixed so as not to move further to the upper surface side by abutting against the lower surface of the substrate 20.

  The wire connection side terminal portion 38 is supported by the wire pressure contact side housing 42 by the wire pressure contact portion 38a hanging below the through hole 35a of the wire pressure contact side housing 10B and the female connection portion 38b being press-fitted into the through hole 35a. It is fixed. In this case, the end face of the base of the wire pressure contact portion 38a abuts against the lower surface of the partition wall 35 of the wire pressure contact side housing 42, so that it is positioned and fixed so as not to move further to the upper surface side.

  Further, the upper cover 15 is formed so as to close the upper surface of the substrate housing side housing 41, and the lower cover 16 is formed so as to close the lower surface of the wire pressure contact side housing 42. Lock portions (lock protrusions and lock frames) 17 and 18 are provided on the covers 15 and 16 and the housings 41 and 42 so that the covers 15 and 16 can be locked. The cover 15 is provided with a substrate holding part 39 a that holds the substrate 20. The cover 16 is provided with a terminal holding portion 39b into which the tips of the pair of wire pressure contact portions 38a are inserted.

  Further, the structure for cutting the circuit of the substrate 20 is not provided as in the second embodiment. That is, the substrate 20 is not provided with a circuit cutting hole, and the substrate housing side housing 41 is not provided with a pair of jig guide portions.

  Next, a recovery operation (electronic unit function recovery operation) when the wire harness mounting electronic unit 1C has failed will be described. This restoration work is accomplished by replacing the board housing side housing 41, the cover 15 attached thereto, and the board connection side terminal portion 37 of the press contact terminal 36. Hereinafter, for convenience of explanation, the board connection side terminal portion 37 of the board housing side housing 41, the cover 15, and the press contact terminal 36 will be referred to as a board housing side unit portion 41A, and a new side to be replaced will be described as a board housing side unit portion 41B. To do.

  As shown in FIG. 17, first, the pair of flange portions 33 of the board housing side unit portion 41 </ b> A are pulled upward to unlock the lock portions 31 and 32, and the board housing side unit portion 41 </ b> A is moved from the wire pressure welding side housing 42. Let go upward. At this time, the press contact terminal 36 is separated into a substrate connection side terminal portion 37 and a wire connection side terminal portion 38. Next, the new board housing side unit 41 </ b> B is assembled to the electric wire pressure contact side housing 42. In this assembling process, the board connection side terminal portion 37 of the new board housing side unit 41B and the wire connection side terminal section 38 in the wire pressure contact side housing 42 are pressure contact connected. This completes the recovery work.

  As described above, in the third embodiment, when the wire harness mounting electronic unit 1C breaks down and the recovery is attempted, the board 20 and the substrate housing side housing 41 of the broken wire harness mounting electronic unit 1C, that is, the housing 41 Recovery is possible by simply replacing the substrate housing side with a new one. Therefore, the wire connection side of the electronic unit for mounting the wire harness 1C can be reused, and cost reduction and man-hour reduction can be achieved. It is not necessary to secure a mounting space for a new wiring harness mounting electronic unit in the vicinity of the broken wiring harness mounting electronic unit 1C, and the installation space for the electronic unit is not enlarged.

  In addition, since the press contact terminal 36 of the broken wire harness mounting electronic unit 1C is not removed from the wire W of the wire harness WH, the wire W is not damaged when the press contact terminal 36 is removed, and a highly reliable recovery is possible. is there.

  In the third embodiment, the press contact terminal 36 is detachably formed on the substrate connection side terminal portion 37 connected to the circuit of the substrate 20 and the substrate connection side terminal portion 37, and is connected to the wire W by pressure connection. The terminal portion 38 is composed of two members. Therefore, when the board housing side of the electronic unit for mounting the wire harness 1C is removed from the wire pressure welding side, the board connection side terminal portion 37 of the pressure contact terminal 36 is separated from the wire connection side terminal portion 38, and the new board housing side is connected to the wire pressure welding. When attached to the side, since the board connection side terminal portion 37 of the new pressure contact terminal 36 is attached to the old wire connection side terminal portion 38, the replacement workability is good. In addition, you may comprise as the press-contact terminal 22 of an integrated product like the said 1st and 2nd embodiment. However, in this case, it is necessary to remove the soldering of the pressure contact terminal 22 when removing the failed board connection side, and to solder the pressure contact terminal 22 to the circuit of the board 20 after assembling a new substrate pressure contact side. is there.

(Fourth embodiment)
18 to 23 show a fourth embodiment of the present invention. FIG. 18 is a perspective view showing a state in which the wiring harness mounting electronic unit is mounted on the wire harness, and FIG. 19 is a cross-sectional view taken along line EE in FIG. 20 is a cross-sectional view taken along line FF in FIG. 19, FIG. 21 is a cross-sectional view showing the relationship between the length dimension of the press contact terminal on the substrate side and the height dimension of the holder, FIG. 22 is a plan view of the substrate, and FIG. FIG. 23A is a front view of the press contact terminal, and FIG. 23B is a side view of the press contact terminal.

  As shown in FIG. 18, the wire harness mounting electronic unit 1D having the press contact terminal 50 is mounted on the wire harness WH by press-connecting the press contact terminal 50 to each electric wire W of the wire harness WH. Hereinafter, although the configuration of the electronic unit 1D for mounting the wire harness will be specifically described, the same components as those in the first embodiment will be described with the same reference numerals.

  As shown in FIGS. 18 to 20, the electronic unit 1D for mounting the wire harness includes a substrate 20 such as a printed circuit board on which electronic components 21 are mounted on both surfaces, and a rigid material (for example, hard plastic) that accommodates and holds the substrate 20. Manufactured), a holder 51 accommodated in the housing 10, and the electric wire W of the wire harness WH that is fixed to the holder 51 and electrically connected to the circuit 20b (shown in FIG. 22) on the substrate 20. A plurality of press contact terminals 50 that can be press-contacted from the outside, and an upper cover 52 that covers the circuit board 20 and the press contact terminal 22 to cover the wire press-contact portion by being attached to the housing 10 later.

  The housing 10 is configured as a rectangular box having an upper surface opened. A plurality of cutout grooves 11a through which the electric wires W of the wire harness WH are passed are formed on the opposed side walls on the opened upper surface side. The relationship between the notch groove 11a and the press contact terminal 50 is such that the notch groove 11a is positioned in the extending direction of the electric wire W press-contacted to the press contact terminal 50.

  On the left and right inner surfaces of the housing 10, a pair of left and right substrate support portions 13 that support the substrate 20 are integrally projected. A substrate 20 is placed on the pair of substrate support portions 13. As shown in detail in FIG. 22, the substrate 20 has a circuit 20 b having a conductive print pattern formed on at least the upper surface thereof. At the position of the circuit 20b where the press contact terminal 50 corresponds to the lower position, a land portion 20e wider than other portions is formed.

  The holder 51 includes a terminal support plate 51a and a pair of hanging portions 51b suspended from the left and right ends of the terminal support plate 51a. The pair of hanging portions 51b are placed on the substrate 20. ing. As shown in detail in FIG. 21, a set of press-fitting holes 51c and through-holes 51d is formed at appropriate positions on the terminal support plate 51a, and the press-contact terminals 50 are supported and fixed by the press-fitting holes 51c. The spring board contact portion 50c of the press contact terminal 50 is suspended below the holder 51 through the through hole 51d.

  A plurality of the press contact terminals 50 are arranged at intervals in the arrangement direction of the separated electric wires W. As shown in detail in FIGS. 22 (a) and 22 (b), each press-contact terminal 50 extends from one end side of the wire press-contact portion 50 a that press-connects to the electric wire W, and press-fits the holder 51. A press-fitting claw portion 50b for press-fitting into the hole 51c and a spring-like substrate contact portion 50c having a spring property extending from the other end side of the wire press-contact portion 50a are configured. The length L1 from the lower surface of the electric wire pressure contact portion 50a to the lower end of the springy substrate contact portion 50c is set to be longer than the height H1 of the hanging portion 51b of the holder 51 (see FIG. 21). As a result, as shown in FIGS. 19 and 20, the spring board contact portion 50 c is pressed against the land portion 20 e of the circuit 20 b of the board 20 due to its spring nature.

  The upper cover 52 is formed so as to close the upper surface of the housing 10, and lock portions (lock protrusions and lock frames) 17 and 18 are provided on the cover 52 and the housing 10 so that the cover 52 can be locked in the closed state. Is provided. On the inner surface of the cover 52, a wire retaining prevention portion 52a into which the tips of the pair of wire pressure contact portions 50a are inserted is provided.

  Next, a recovery operation (electronic unit function recovery operation) when the wire harness mounting electronic unit 1D has failed will be described. This recovery operation is performed by replacing only the substrate 20. For the sake of convenience of explanation, it is assumed that the failed old board is 20 and the new board is 20A.

  First, the lock portions 17 and 18 between the upper cover 52 and the housing 10 are unlocked, and the cover 52 is removed. Next, the holder 51 and the old substrate 20 are taken out from the housing 10 in this order. Next, the new board | substrate 20A is accommodated in the housing 10, and the holder 51 is accommodated from it. When the holder 51 is accommodated, the spring-like substrate contact portion 50 c of each press contact terminal 50 supported and fixed to the holder 51 is brought into contact with the circuit 20 b of the substrate 20. Thereafter, the cover 52 is attached above the housing 10. Then, the holder 51 is pressed downward via the cover 52, and the spring-like substrate contact portion 50c of the press contact terminal 50 is pressed and brought into contact with the circuit 20b of the substrate 20 by this pressing force. As a result, the pressure contact terminal 50 and the circuit 20b of the substrate 20 are electrically connected. Thus, the restoration work is completed.

  As described above, in the fourth embodiment, when the wiring harness mounting electronic unit 1D breaks down and the recovery is attempted, only the substrate 20 of the broken wire harness mounting electronic unit 1D is replaced with a new one. Recovery is possible only with this. Therefore, recovery costs (parts, man-hours) can be minimized. There is no need to secure a mounting space for a new wiring harness mounting electronic unit in the vicinity of the broken wiring harness mounting electronic unit 1D, and the installation space for the electronic unit is not enlarged.

  In addition, since the press contact terminal 50 of the broken wire harness mounting electronic unit 1D is not removed from the wire W of the wire harness WH, the wire W is not damaged when the press contact terminal 50 is removed, and a highly reliable recovery is possible. is there.

  FIG. 24A is a front view of a press contact terminal according to a modification of the fourth embodiment, and FIG. 24B is a side view of the press contact terminal.

  As shown in FIGS. 24A and 24B, the press contact terminal 60 is extended from the wire press contact portion 60a to be press contacted to the electric wire, and one end side of the wire press contact portion 60a, and press fits into the press fit hole of the holder. For this purpose, the press-fitting claw portion 60b and a press-fit portion 60c extending from the other end side of the wire press-contact portion 60a are configured. The length L2 from the lower surface of the wire pressure contact portion 60a to the lower end of the press fit portion 60c is set to be longer than the height H1 (see FIG. 21) of the hanging portion of the holder. As a result, the press-fit portion 60c is press-fitted and connected to the circuit on the substrate. The press-fit portion 60c and the board are not soldered.

  Even when the press contact terminal 60 of this modification is used, the same operation and effect as the fourth embodiment can be obtained.

  In the first to fourth embodiments, the press contact terminals 22, 36, 50, 60 are configured to be electrically connected only to the circuit 20 b (not shown) on one side of the substrate 20. If it comprises so that it may electrically connect with a circuit, the number of connection points of the board | substrate 20 and the wire harness WH can be increased.

  In the first to fourth embodiments, the covers 15, 16, 52 are formed separately from the housing 10, the substrate housing side housing 41, and the wire pressure contact side housing 42, but the housing 10, etc. via a hinge portion or the like. You may form in one.

It is a disassembled perspective view which shows the 1st Embodiment of this invention and shows the state before use of the electronic unit for wire harness mounting | wearing. It is a perspective view which shows the 1st Embodiment of this invention and turns over and shows the electronic unit for wire harness mounting | wearing. It is a cross-sectional view which shows the state which showed the 1st Embodiment of this invention and the electric wire was press-contact-connected to the electronic unit for wiring harness mounting | wearing. BRIEF DESCRIPTION OF THE DRAWINGS It is an external appearance perspective view which shows the 1st Embodiment of this invention and shows the state which mounted | wore the wire harness mounting electronic unit. It is a perspective view which shows the mounting state of the electronic unit for wire harness mounting | wearing which shows the 2nd Embodiment of this invention. FIG. 6 shows a second embodiment of the present invention and is a cross-sectional view taken along line AA of FIG. 5. FIG. 6 shows a second embodiment of the present invention and is a cross-sectional view taken along line BB of FIG. 5 with the cover removed. It is the top view of the state which showed the 2nd Embodiment of this invention and removed the cover of the electronic unit for wiring harness mounting | wearing. FIG. 2 is a plan view of a substrate, showing a second embodiment of the present invention. It is a front view of the jig for circuit cutting which shows a 2nd embodiment of the present invention. It is a perspective view which shows the 2nd Embodiment of this invention, and shows the state which mounted | worn with the new and normal electronic unit for wire harness mounting | wearing in the vicinity of the broken electronic unit for wire harness mounting | wearing. It is a perspective view which shows the 3rd Embodiment of this invention, and shows the state which mounted | wore the wire harness with the electronic unit for mounting | wearing with a wire harness. FIG. 13 shows a third embodiment of the present invention and is a cross-sectional view taken along the line CC of FIG. FIG. 13 shows a third embodiment of the present invention and is a cross-sectional view taken along the line DD of FIG. The 3rd Embodiment of this invention is shown, (a) is a front view of the board | substrate connection side terminal part of a press-contact terminal, (b) is a side view of the board | substrate connection side terminal part of a press-contact terminal. The 3rd Embodiment of this invention is shown, (a) is a top view of the electric wire connection side terminal part of a press-contact terminal, (b) is a front view of the electric wire connection side terminal part of a press-contact terminal, (c) is a press-contact terminal. It is a side view of an electric wire connection side terminal part. It is a perspective view for demonstrating the 3rd Embodiment of this invention and demonstrating the recovery operation | work of the electronic unit for wire harness mounting | wearing which failed. It is a perspective view which shows the 4th Embodiment of this invention, and shows the state which mounted | wore the wire harness with the electronic unit for wiring harness mounting | wearing. FIG. 19 shows a fourth embodiment of the present invention and is a cross-sectional view taken along line EE in FIG. 18. FIG. 20 shows a fourth embodiment of the present invention and is a cross-sectional view taken along line FF in FIG. 19. FIG. 9 is a cross-sectional view illustrating a relationship between a length dimension of a press contact terminal on a substrate side and a height dimension of a holder according to a fourth embodiment of the present invention. FIG. 6 is a plan view of a substrate, showing a fourth embodiment of the present invention. The 4th Embodiment of this invention is shown, (a) is a front view of a press-contact terminal, FIG.23 (b) is a side view of a press-contact terminal. (A) is a front view of the press-contact terminal which concerns on the modification of 4th Embodiment, (b) is a side view of the press-contact terminal. (A) is a perspective view of the electronic unit for wire harness mounting of a prior art example, (b) is the longitudinal cross-sectional view.

Explanation of symbols

1, 1A to 1D Electronic unit for mounting wire harness 10 Housing 11 Passing port 12 Partition wall 13 Substrate support portion 15, 16, 52 Cover 20 Substrate 20b Circuit 20c Circuit cutting hole 21 Electronic component 22 Press contact terminal 22a Electric wire press contact portion 22b Substrate Connection part 34, 35 Partition wall 36 Pressure contact terminal 37 Board connection side terminal part 38 Wire connection side terminal part 40 Housing 41 Board accommodation side housing 42 Wire pressure contact side housing 50 Pressure contact terminal 50a Wire pressure contact part 40c Spring-like board contact part 60 Pressure contact terminal 60a Wire pressure welding part 60c Press fit part WH Wire harness W Electric wire

Claims (14)

A board on which electronic components are mounted;
A housing made of a rigid material for accommodating and holding the substrate;
A pressure contact terminal fixed in the housing and electrically connected to a circuit on the substrate and capable of being pressure contact connected from outside to the wire of the wire harness;
A cover that covers an electric wire pressure contact portion with respect to the substrate and the pressure contact terminal by being provided integrally or separately with the housing;
An electronic unit for mounting a wire harness, comprising: An electronic unit for mounting a wire harness according to claim 1,
The housing is configured as a rectangular box having an upper surface and a lower surface, a partition wall between the opened upper surface and the lower surface, and a wire harness passage port in the lower half of the opposite side wall. ,
By inserting an intermediate portion in the longitudinal direction of the press contact terminal into the through hole formed in the partition wall, the wire press contact portion is exposed on the lower surface side of the partition wall, and the substrate connection portion is exposed on the upper surface side of the partition wall. In such a state, the press contact terminal is supported and fixed to the partition wall of the housing,
Furthermore, on the upper side of the partition wall, there is provided a substrate support part for accommodating and holding the substrate in parallel with a space from the partition wall,
An electronic unit for mounting a wire harness, wherein the cover is formed to close an upper surface and a lower surface of the housing. An electronic unit for mounting a wire harness according to claim 1 or 2,
An electronic unit for mounting a wire harness, wherein a circuit cutting hole is formed in the vicinity of the circuit in the substrate. An electronic unit for mounting a wire harness according to any one of claims 1 to 3,
The housing includes a substrate housing side housing for housing and holding the substrate, and an electric wire pressure contact side housing that is detachably attached to the substrate housing side housing and accommodates a pressure contact portion with the electric wire. An electronic unit for attaching a wire harness. An electronic unit for mounting a wire harness according to claim 4,
The pressure contact terminal includes a substrate connection side terminal portion connected to the circuit of the substrate, and a wire connection side terminal portion detachably formed on the substrate connection side terminal portion and pressure connected to the electric wire. An electronic unit for mounting a wire harness. An electronic unit for mounting a wire harness according to claim 1 or 2,
The pressure contact terminal includes a wire pressure contact portion that is pressure-contacted to the electric wire and a spring-like substrate contact portion having a spring property, and the spring-like substrate contact portion is pressed and contacted with a circuit on the substrate by a spring property. An electronic unit for mounting a wire harness. An electronic unit for mounting a wire harness according to claim 1 or 2,
The wire contact mounting electronic unit, wherein the press contact terminal has a wire press contact portion and a press fit portion that are press contact connected to the electric wire, and the press fit portion is press fit connected to a circuit on the substrate. . An electronic unit for mounting a wire harness according to claim 6 or claim 7,
An electronic unit for mounting a wire harness, comprising a holder for supporting and fixing the press contact terminal at a position spaced apart from the substrate in the housing.   The wire harness mounting electronic unit having a press contact terminal is mounted on the wire harness by the press contact connection of the press contact terminal to an electric wire in the wire harness, and when the wire harness mounting electronic unit fails, the failed wire A method for recovering an electronic unit for mounting a wire harness, comprising: mounting a new electronic unit for mounting a wire harness on the wire harness without removing the electronic unit for mounting the harness from the wire harness. A method for restoring an electronic unit for mounting a wire harness according to claim 9,
The new electronic unit for mounting the wire harness is
A board on which electronic components are mounted; a housing made of a rigid material that houses and holds the board;
A pressure contact terminal fixed in the housing and electrically connected to a circuit on the substrate and capable of being pressure contact connected from outside to the wire of the wire harness;
A cover that covers an electric wire pressure contact portion with respect to the substrate and the pressure contact terminal by being provided integrally or separately with the housing;
The recovery method of the electronic unit for wire harness mounting characterized by comprising. A method for restoring an electronic unit for mounting a wire harness according to any one of claims 9 and 10,
A method for recovering an electronic unit for mounting a wire harness, comprising: performing a disconnection process on a circuit of the board for the broken electronic unit for mounting a wire harness. A method for restoring an electronic unit for mounting a wire harness according to any one of claims 9 and 10,
A wiring harness mounting electronic unit in which a housing is constituted by a substrate housing side housing for housing and holding the substrate, and a wire pressure contact side housing which is detachably attached to the substrate housing side housing and accommodates a pressure contact portion with the electric wire. A recovery method for an electronic unit for mounting a wire harness, wherein the recovery is performed by exchanging a substrate of the failed electronic unit for mounting a wire harness and a substrate housing side housing. A method for restoring an electronic unit for mounting a wire harness according to any one of claims 9 and 10,
A pressure contact terminal having a wire pressure contact portion that is pressure contact connected to the wire and a spring-like substrate contact portion having a spring property, wherein the spring-like substrate contact portion is pressed and contacted with a circuit on the substrate by a spring property; A recovery method for an electronic unit for mounting a wire harness, wherein the recovery is performed by replacing only the substrate when the equipped electronic unit for mounting a wire harness fails. A method for restoring an electronic unit for mounting a wire harness according to any one of claims 9 and 10,
When an electronic unit for mounting a wire harness having a press contact portion that has a press contact portion and a press fit portion that press-connects to the electric wire, and the press fit portion is press-fitted and connected to a circuit on the substrate, has failed. A method for recovering an electronic unit for mounting a wire harness, wherein the recovery is performed by exchanging only the substrate.

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