JP2021104757A - Protection member and protection structure - Google Patents

Abstract

To protect a power control unit (PCU) properly in a small vehicle, such as a light motor vehicle, in which a driving part storage chamber is narrow.SOLUTION: A protection member 10 protects a PCU 50 disposed in a driving part storage chamber formed at a vehicle. The protection member 10 includes: a body part 12; and protruding parts 40. The body part 12 includes: a side protection part 20 which is disposed facing a side surface of the PCU 50; and an inclination part 30 which is connected to an upper end of the side protection part in an inclined state. Further, each protruding part 40 is configured to protrude to the PCU 50 in a middle part located between the inclination part 30 and the side protection part 20. The first protruding parts 40a and 40b are fastened to the PCU 50. The second protruding parts 40c may contact with or separate from the PCU 50. When the protection member 10 receives an impact, the second protruding parts 40c contact with the PCU 50 to ease the impact.SELECTED DRAWING: Figure 3

Description

The present invention relates to a protective member and a protective structure for protecting a power control unit in a vehicle.

Conventionally, hybrid vehicles and electric vehicles are equipped with a power control unit (hereinafter, also simply referred to as PCU) for controlling electric power such as supply, power generation, and storage of electric power for driving a motor. Recently, in order to take measures against environmental problems and improve fuel efficiency, hybrid cars and small cars such as A-segment cars are also being hybridized and electrified. However, since these compact cars have a small drive unit accommodation room (also referred to as an engine room), it has become difficult to secure a space for mounting the PCU as described above. In particular, in a small car, there is a demand for a compact drive unit accommodating chamber in order to secure a passenger compartment and a luggage compartment, and the drive unit accommodating chamber is being formed even smaller.

Therefore, although it is not intended to mount a PCU, an auxiliary battery can be mounted on a small car having a small storage space as described above, and at the same time, an auxiliary battery can be taken to protect the auxiliary battery in the event of a vehicle collision. The mounting structure is disclosed (for example, Patent Document 1). In the invention of Patent Document 1, an insertion hole is formed in the hollow rear end cross member, and an auxiliary battery is inserted into the insertion hole to fix the battery.

Japanese Unexamined Patent Publication No. 2000-85376

By the way, since it is necessary to control the driving power of the motor or the like, the PCU is often provided in the driving unit accommodating room close to the accommodating portion of the motor or the like. Further, the PCU is configured as a precision member for controlling the driving power and the like, and it is necessary to prevent the PCU from interfering with the vehicle body and the like when the vehicle receives an impact. However, since the space in the drive unit accommodating room is limited and the place where the PCU is arranged is also limited, the member forming the frame as in the invention of Patent Document 1 may not exist in the place where the PCU is arranged. rice field. Therefore, there is a problem that the invention of Patent Document 1 cannot be adopted for mounting a PCU. Further, when the PCU is inserted into the insertion hole of the member by adopting the mounting structure as in the invention of Patent Document 1, there is a problem that the member is deformed when the member is impacted and the PCU and the member interfere with each other. be.

Therefore, an object of the present invention is to provide a protective member and a protective structure for a PCU that facilitates hybridization and electrification even in a compact car having a small drive unit accommodation chamber. Another object of the present invention is to provide a protective member and a protective structure that protects the PCU and can be mounted with good workability even when the PCU is mounted on a compact car.

(1) The protective member of the present invention provided to solve the above-mentioned problems is a protective member of a power control unit arranged inside a drive unit accommodating chamber formed in a vehicle, and the protective member is a protective member. The main body portion has a main body portion and a protruding portion, and the main body portion has a side protection portion arranged so as to face one or a plurality of side surfaces forming the power control unit, and an inclined state with the upper end of the side protection portion. The protruding portion has an inclined portion connected by, and the protruding portion includes a first protruding portion provided on one end side in the width direction of the inclined portion and the lateral protection portion, and the inclined portion and the side. It has a second protruding portion provided on the other end side in the width direction of the side protection portion, and faces the power control unit at the end portion side in the width direction of the inclined portion and the side protection portion. It protrudes, and at least one of the first protruding portion and the second protruding portion is fastened to the power control unit.

Since the main body of the protective member of the present invention has a side protective portion arranged so as to face one or a plurality of side surfaces forming the power control unit, the impact received by the power control unit from the side can be mitigated. can. Further, since the protective member has an inclined portion connected to the upper end of the side protective portion in an inclined state, it is possible to alleviate the impact that the power control unit receives from above or diagonally above. Further, since the protruding portion protrudes toward the power control unit at the end side of the inclined portion and the lateral protection portion in the width direction, the impact received by the inclined portion or the side protection portion is received by the protruding portion. It can also be dispersed in the protruding direction. Further, when the inclined portion and the side protection portion receive an impact, the impact can be dispersed in the width direction of the inclined portion and the side protection portion. As a result, the impact can be dispersed using the entire width direction of the protective member, so that the protective member can be made smaller and lighter. Further, since the protective member has a main body portion having a side protective portion and an inclined portion and a protruding portion, the impact received by the protective member can be widely dispersed without being concentrated at one point. As a result, damage to the protective member can be suppressed and the impact on the power control unit can be mitigated.

Further, in the above-mentioned protective member, the protruding portion includes a first protruding portion provided on the one end side of the inclined portion and the lateral protection portion in the width direction, and the inclined portion and the lateral protection portion. It has a second protruding portion provided on the other end side in the width direction of the above, and at least one of the first protruding portion and the second protruding portion is fastened to the power control unit. .. This makes it possible to effectively utilize the protruding portion and fasten it to the power control unit. Further, when the inclined portion and the side protection portion receive an impact, the impact is dispersed in the width direction of the inclined portion and the side protection portion, and the protective member is stretched at the fastening portion to receive the impact received by the protective member. It can be relaxed.

(2) The protective member described above is preferably characterized in that a lateral reinforcing bead is arranged along the width direction between the first protruding portion and the second protruding portion.

In the above-mentioned protective member, since the lateral reinforcing bead is arranged along the width direction between the first protruding portion and the second protruding portion, the impact received by the protective member is received by the lateral reinforcing bead and laterally. It is possible to disperse the impact along the directional reinforcement beads. As a result, it is possible to suppress damage to the protective member and alleviate the impact on the power control unit.

(3) The protective member described above is preferably characterized in that the protruding portion and the power control unit are fastened from the upper side of the power control unit.

In the above-mentioned protective member, since the protrusion and the power control unit are fastened from the upper side of the power control unit, the protective member can be easily attached even in a narrow space. For example, in the manufacture of a vehicle, it is possible to attach the protective member from the upper side of the drive unit accommodation chamber, so that the visibility from the operator is good and it is easy to secure a space for operating the fastening tool. It plays the effect.

(4) In the above-mentioned protective member, the protruding portion includes a first protruding portion provided on one end side of the inclined portion and the lateral protection portion in the width direction, and the inclined portion and the lateral protection portion. It has a second protruding portion provided on the other end side in the width direction of the portion, and at least one of the first protruding portion and the second protruding portion is not fastened to the power control unit. It is good that it is characterized by being done.

In the above-mentioned protective member, at least one of the first protruding portion and the second protruding portion is not fastened to the power control unit. Since there is such a non-fastened protrusion, when the protective member receives an impact, the non-fastened protrusion can be stretched against the power control unit to alleviate the impact.

(5) The above-mentioned protective member is characterized in that the first protruding portion or the second protruding portion, which is not fastened to the power control unit, can come into contact with and separate from the power control unit. It is good that it is.

In the above-mentioned protective member, the first protruding portion or the second protruding portion that is not fastened to the power control unit can come into contact with and separate from the power control unit. The above-mentioned non-fastened protrusion may be slightly separated from the power control unit so as to come into contact with the power control unit when it receives an impact. As a result, when the protective member receives an impact, the protruding portion abuts on the power control unit and stretches, so that the impact received on the protective member can be mitigated. Further, when the protective member is attached to the power control unit, the protruding portion is kept away from the power control unit to prevent the vibration of the vehicle body from being transmitted to the protective member and causing the protective member to resonate. Is possible.

(6) The above-mentioned protective member is characterized in that the power control unit and the protective member are fastened from the upper side of the support bracket via a support bracket bridged to the power control unit. It should be a thing.

In the above-mentioned protective member, since the power control unit and the protective member are fastened from the upper side of the support bracket via the support bracket bridged to the power control unit, the protective member receives the protection member. The impact is not directly transmitted to the power control unit. Further, the impact received by the protective member is dispersed to the support bracket. Therefore, damage to the power control unit is suppressed. For example, the support bracket may be provided so as to span the power control unit.

(7) The protective structure of the present invention provided to solve the above-mentioned problems is preferably characterized in that any of the above-mentioned protective members is attached to the power control unit.

The protective structure described above exhibits a protective structure attached to the power control unit. Therefore, an appropriate protection structure for the power control unit is provided, including a mounting structure for the power control unit.

According to the present invention, even when the drive unit accommodating chamber is narrow, the PCU is appropriately protected by the protective member when the vehicle collides. Further, even when the drive unit accommodating chamber is narrow, the PCU can be protected, so that hybridization and electrification can be easily performed.

It is explanatory drawing which shows the state which the protection member of this invention is fastened to PCU mounted on a vehicle. It is a top view which shows the state which the protection member of this invention is fastened to PCU. It is a front view which shows the state which the protective member of this invention is fastened to PCU. It is explanatory drawing which looked at the state which the protection member of this invention was fastened to PCU mounted on a vehicle. It is a front view which concerns on one Embodiment of the protection member of this invention. It is a top view which concerns on one Embodiment of the protection member of this invention. It is a left side view which concerns on one Embodiment of the protection member of this invention. It is a right side view which concerns on one Embodiment of the protection member of this invention.

Hereinafter, the protective member 10 and the protective structure 11 according to the embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, the protective member 10 has a protective structure, for example, by being attached to a power control unit 50 (hereinafter, also referred to as PCU 50) housed in a drive unit accommodating chamber 2 formed in the front portion of the vehicle 1. 11 is formed. The drive unit accommodating chamber 2 is formed in a substantially rectangular shape, and a dash panel 3 (hereinafter, also referred to as a first member 3) that separates the vehicle interior from the vehicle interior is formed on the rear side (right side in the drawing) along the vehicle width direction. Further, a cowl 4 (hereinafter, also referred to as a second member 4) in which a wiper or the like is housed is formed on the upper end side of the first member 3. The PCU 50 controls the electric power of an inverter or the like that drives a motor of a hybrid vehicle or an electric vehicle. In the present embodiment, the PCU 50 is formed in a rectangular parallelepiped shape as shown in FIGS. 1 to 4, and is arranged in front of the first member 3 and diagonally below the second member 4. In the illustration, irregularities and holes on the surface of the PCU 50 are omitted for convenience.

Next, the protective member 10 will be described in detail with reference to FIGS. 2 to 8. The protective member 10 includes a main body portion 12, a protruding portion 40 protruding toward the PCU 50 in an intermediate portion from the inclined portion 30 to the side protective portion 20, and wiring 52 and the like appropriately connected. The main body portion 12 includes a side protection portion 20 formed in the vertical direction, an inclined portion 30 and the like connected to the upper end of the side protection portion 20 in an inclined state. Further, in the present embodiment, the side protection portion 20, the inclined portion 30, and the protruding portion 40 are integrally formed of a member such as resin or metal.

As shown in FIGS. 2 to 4, the side protection unit 20 is arranged so as to face one or a plurality of side surfaces forming the PCU 50 when it is fastened to the PCU 50. In the present embodiment, as shown in FIG. 4, the side protection unit 20 is arranged so as to face the side surface on the rear side (right side in the drawing) of the PCU 50.

Further, as shown in FIGS. 5 to 8, three lateral reinforcing beads 21 are formed in the lateral protective portion 20 at intervals in the width direction (also referred to as the lateral direction). The lateral reinforcing bead 21 is formed along a direction intersecting the axial direction of the vertical reinforcing bead 33a in the inclined portion 30 described later. Further, the lateral reinforcing bead 21 is formed in a thick rib shape, for example, and has higher strength than other portions. Thereby, for example, the force received from the first member 3 side as shown by the arrow b in FIG. 4 can be dispersed in the lateral direction. The laterally reinforced bead 21 may be formed by joining a metal plate, a metal pipe, or the like as well as forming a wall thickness.

The side protection portion 20 has a punched hole 22 formed between the plurality of lateral reinforcing beads 21 to reduce the weight. Further, in the present embodiment, the vertical reinforcing bead 33c is formed between the plurality of horizontal reinforcing beads 21 in the vertical direction (vertical direction in the drawing). As a result, the force applied in the vertical direction can be dispersed in the vertical direction and also distributed in the horizontal direction through the lateral reinforcing bead 21. Further, the vertical reinforcing bead 33c provided in the lateral protection portion 20 is formed to be lower in height than the horizontal reinforcing bead 21. Therefore, it is possible to increase the rigidity of the side protection portion 20 while maintaining the weight reduction. As a result, the resonance of the protective member 10 due to the vibration of the vehicle body is suppressed.

As shown in FIGS. 7 and 8, the inclined portion 30 is formed in an inclined shape so as to be continuous with the upper end side of the side protection portion 20. As a result, when the inclined portion 30 is fastened to the PCU 50 as shown in FIG. 4, it is located diagonally below the second member 4 and is arranged so as to face the second member 4.

As shown in FIG. 5, in the present embodiment, in the inclined portion 30, two vertical reinforcing beads 33a are formed at intervals in the vertical direction, and a short vertical reinforcing bead 33b is formed between the vertical reinforcing beads 33a. It is formed. The vertical reinforcing beads 33a and 33b are formed in a thick rib shape like the horizontal reinforcing beads 21, and have higher strength than the other portions. The vertical reinforcing bead 33 may be formed by joining a metal plate, a metal pipe, or the like as well as forming a wall thickness. Thereby, for example, the force applied from the diagonally upper side or the upper side applied from the direction of the second member 4 can be dispersed in the vertical direction.

Further, the vertical reinforcing bead 33a is connected to the horizontal reinforcing bead 21 on the lower end side, and the force applied to the inclined portion 30 from the vertical direction can be dispersed to the lateral protection portion 20 as well. As a result, the PCU 50 is protected even when an impact is received from the upper side of the second member 4 or the like as shown by the arrow b in FIG. Further, the vertical reinforcing bead 33 and the horizontal reinforcing bead 21 can be defined in shape such as thickness and height in consideration of the balance of the magnitude of the impact applied to each of the vertical reinforcing bead 33 and the horizontal reinforcing bead 21. In the present embodiment, for example, the vertical reinforcing bead 33 is formed slightly lower than the height of the horizontal reinforcing bead 21. Similar to the side protection portion 20, the inclined portion 30 has a hole 22 for weight reduction formed between the plurality of vertical reinforcing beads 33.

As shown in FIGS. 4, 7 and 8, the protruding portion 40 is formed on one side in the width direction of the first protruding portion 40a connected to the upper end side of the inclined portion 30 in an inclined state and the lateral protection portion 20. It has one protruding portion 40b and a second protruding portion 40c formed on the other side in the width direction of the side protection portion 20. In the above-mentioned protrusion 40, the first and second protrusions 40a and 40b and the first and second protrusions 40c are attached for convenience, and even if the first and second protrusions are interchanged. good.

As shown in FIG. 4, the inclined portion 30 is set in an inclined direction in a direction in which the second member 4 and the inclined surface face each other. As a result, the impact received from the second member 4 can be received by the inclined surface of the inclined portion 30. The inclination angle of the inclined portion 30 can be arbitrary, and may be set in the range of, for example, 0 to 90 degrees depending on the direction in which the impact can be received. The first protruding portion 40a is formed so as to project from the upper end of the inclined portion 30 toward the PCU 50. The first protruding portion 40a is composed of a flat plate-shaped member so that it can be accessed from above. Further, the first protruding portion 40a is opened with a fastening hole for inserting a bolt, and the protruding portion 40 is fastened to the support bracket 51 bridged to the PCU 50 described later by the bolt. As a result, the protective member 10 is fastened to the PCU 50 via the support bracket 51 to form the protective structure 11. The protective structure 11 is formed by attaching the protective member 10 to the PCU 50.

As shown in FIGS. 2 to 4, the PCU 50 has a support bracket 51 bridged above the rear side. The support bracket 51 indirectly fastens the protective member 10 to the PCU 50, and also plays a role of dispersing the force due to the impact applied to the protective member 10. It also plays a role of suppressing the protective member 10 from resonating due to the vibration of the vehicle body and making noise.

The first projecting portion 40b is formed on one of the side surfaces of the side protection portion 20 so as to project toward the PCU 50. Like the first protruding portion 40a, the first protruding portion 40b is formed of a plate-shaped member having a flat tip portion, and has a hole for fastening. The first protruding portion 40b is fastened to the support bracket 51 with bolts or the like like the first protruding portion 40a.

The second protruding portion 40c is formed so as to project toward the PCU 50 at the lower end of the side surface on one side of the side protection portion 20 and the vicinity of the upper end of the side surface on the other side of the side protection portion 20. The tip portion of the second protruding portion 40c is formed by being bent in a plane with respect to the side surface of the lateral protection portion 20, and is arranged so as to face the flat portion of the PCU 50. It is preferable that one of the second protruding portions 40c is provided at a position that is line-symmetric with the first protruding portion 40b with respect to the center line in the width direction of the protective member 10.

The second protruding portion 40c is arranged in a state of being separated from the side surface of the PCU 50, and can be brought into contact with and separated from the PCU 50. Further, the second protruding portion 40c can disperse the force due to the impact by contacting the side surface of the PCU 50 when receiving the force due to the impact as shown by the arrow a in FIG. 4 and striking the PCU 50, for example. Is. In this case, it is preferable that the lateral reinforcing bead 21 is extended from the first protruding portion 40b to the second protruding portion 40c arranged line-symmetrically. As a result, the force applied to the first protruding portion 40b fastened to the support bracket 51 can be dispersed to the second protruding portion 40c via the lateral reinforcing bead 21 and the vertical reinforcing bead 33.

The protective member 10 and the protective structure 11 of the present invention have the above-described configuration. Next, based on FIG. 4, the operation of the protective member 10 will be described, for example, in the case where the vehicle 1 collides with an obstacle or the like in front of the vehicle 1.

When the vehicle 1 collides with an obstacle or the like in front, the protective member 10 initially receives a force due to an impact from the front side (left side in the figure), but subsequently, due to an inertial force due to the rear-end collision, the protective member 10 is subjected to arrows a and b in the figure. It will receive the force from the rear side like. Along with this, the protective member 10 receives a force from the direction of the first member 3 or the second member 4, or the first member 3 or the second member 4 is directly damaged depending on the situation and interferes with the protective member 10. May be done. As described above, when the protective member 10 receives a force from, for example, the directions of the arrows a and b, the impact force is dispersed by the vertical reinforcing bead 33, the horizontal reinforcing bead 21, and the protruding portion 40, and the PCU 50 becomes Be protected. Further, when the protective member 10 is fastened to the PCU 50 via the support bracket 51, the impact force is dispersed and relaxed also in the support bracket 51. The above is the embodiment of the present invention, but the present invention is not limited to the above-described embodiment, and appropriate modifications can be made within the scope of the invention.

In the above-described embodiment, the drive unit accommodating chamber 2 is arranged in front of the vehicle 1, but the drive unit accommodating chamber 2 is arranged in various places depending on the form of the vehicle 1. Is possible. For example, the drive unit accommodating chamber 2 may be a central portion or a rear portion of the vehicle 1. Further, the shape of the PCU 50 is not limited to a rectangular shape, and various shapes such as a convex shape obtained by combining a plurality of rectangular shapes in a plan view can be adopted. Further, as the side protection portion 20 and the inclined portion 30, those having an appropriate size and shape can be adopted according to the size and shape of the PCU 50. Further, the material of the protective member 10 may be not only metal but also a resin such as CFRP that can secure the strength.

Further, in the above-described embodiment, the protective member 10 is provided on the rear side surface of the PCU 50, but the protective member 10 may be provided not only on the rear side but also in a direction susceptible to impact. For example, if the PCU 50 is susceptible to an impact from the width direction (lateral direction), the protective member 10 may be provided on the side surface of the PCU 50 in the width direction. Further, if the space of the drive unit accommodating chamber 2 allows, a plurality of protective members 10 may be provided.

The inclination angle of the inclined portion 30 can be set to various angles so as to be along a direction in which an impact may be received from the vehicle body. In the above-described embodiment, the example in which the inclined portion 30 is inclined in the oblique direction is described, but if there is a possibility of receiving an impact from the upper side, for example, the inclined portion with respect to the side protection portion 20 is described. The inclination angle of 30 may be bent so as to be 90 degrees (the inclination angle with respect to the horizontal plane is 0 degrees), and the shape may be bent in a substantially L shape with respect to the side protection portion 20. Further, the inclined portion 30 and the side protection portion 20 may be connected in an arc shape. In the above-described embodiment, the inclined portion 30 and the side protection portion 20 are integrally formed, but each may be composed of divided members. Further, the protrusion 40 is formed in the intermediate portion from the inclined portion 30 to the side protection portion 20, but the protrusion 40 is arbitrary as long as it is between the inclined portion 30 and the side protection portion 20. Can be formed in position. Further, the protruding portion 40 is formed so as to protrude toward the PCU 50 at the end side in the width direction of the inclined portion 30 and the side protection portion 20, but any of the protruding portions 40 is fastened to the PCU 50. The protrusion direction can be set to any direction as long as it can be brought into contact with the PCU 50.

In the above-described embodiment, the protrusion 40 and the PCU 50 are fastened from above the PCU 50, but the direction in which the protrusion 40 and the PCU 50 are fastened facilitates the work of attaching the protective member 10 to the PCU 50. As long as it is a direction, it is possible to adopt various directions. For example, if it is easy to attach from the lateral direction, it may be fastened from the lateral direction. Further, the fastening is not limited to bolts, and various fastening means can be adopted.

In the above-described embodiment, the second protruding portion 40c is not fastened to the PCU 50 and is formed so as to be in contact with the PCU 50, but the protective member 10 receives the distance between the PCU 50 and the protruding portion 40. It can be set at an appropriate interval according to the possible impact and the rigidity of the protective member 10. Further, in the above-described embodiment, the second protruding portion 40c is arranged in a state of being separated from the PCU 50 in the initial state, but comes into contact with the PCU 50 from the beginning according to the rigidity required for the protective member 10. It may be a thing. Further, the contact portion of the PCU 50 to which the second protrusion 40c abuts can be set at an arbitrary position, but it is preferable to make the contact portion flat in order to disperse the received force. Further, the second protruding portion 40c that comes into contact with the PCU 50 can have an arbitrary shape according to the shape of the contact surface of the PCU 50 that comes into contact with the PCU 50, but is a flat surface having a certain area so that the force is dispersed. It is good to have a shape.

In the above-described embodiment, the lateral reinforcing bead 21 is arranged along the width direction between the first protruding portion 40b and the second protruding portion 40c, but the position where the lateral reinforcing bead 21 is arranged. Can be arbitrarily set between the first protruding portion 40b and the second protruding portion 40c. Further, various numbers of the vertical reinforcing bead 33 and the horizontal reinforcing bead 21 can be adopted according to the size of the side protection portion 20 and the inclined portion 30. Further, as the vertical reinforcing bead 33 and the horizontal reinforcing bead 21, various forms can be adopted according to the assumed magnitude of the impact. For example, the height and thickness of the vertical reinforcing bead 33 and the horizontal reinforcing bead 21 may be different from each other. As a result, the balance of the force applied to the protective member 10 in the dispersion direction can be changed. Further, in the above-described embodiment, the vertical reinforcing bead 33 and the horizontal reinforcing bead 21 are integrally formed with the side protection portion 20 and the inclined portion 30, but are indirectly provided. You may. Further, the direction in which the axial direction of the vertical reinforcing bead 33 and the horizontal reinforcing bead 21 intersect is not limited to the orthogonal direction, but various directions can be adopted according to the direction in which the strength of the protective member 10 is desired to be increased. Is.

In the above-described embodiment, the protrusion 40 and the PCU 50 are fastened from above via the support bracket 51, but the direction in which the protrusion 40 and the support bracket 51 are fastened is the support bracket 51 of the protrusion 40. Various directions can be adopted as long as the direction is easy to attach to. For example, if it is easy to attach from the lateral direction, it may be fastened from the lateral direction. Further, the shape of the support bracket 51 can be any shape according to the shape of the PCU 50. Further, a plurality of support brackets 51 may be provided. Further, the fastening is not limited to bolts, and various fastening means can be adopted.

In the above-described embodiment, the punch holes 22 provided in either one or both of the side protection portion 20 and the inclined portion 30 are provided on the axial extension of the vertical reinforcing bead 33, but the strength is ensured. If possible, punch holes 22 can be formed at various positions. The shape and size of the punched hole 22 can be arbitrary depending on the required rigidity.

In the above-described embodiment, the first member 3 is a dash panel and the second member 4 is a cowl for accommodating a wiper or the like, but various members are adopted for the first member 3 and the second member 4. It is possible. The first member 3 and the second member 4 may be not only a part of the frame of the vehicle body but also various members mounted on the vehicle 1.

In the above-described embodiment, the protective structure 11 is formed by attaching the protective member 10 to the PCU 50 via the support bracket 51, but the protective structure 11 is provided as long as the protective member 10 is attached to the PCU 50. , Various means can be adopted. For example, the protrusion 40 may be directly fastened to the PCU 50.

The protective member of the present invention can be used as a protective member for a PCU mounted on a hybrid vehicle, an electric vehicle, or the like.

1 Vehicle 2 Drive unit accommodation room 3 Dash panel (first member)
4 cowl (second member)
10 Protective member 11 Protective structure 12 Main body 20 Side protection 21 Horizontal reinforcement bead 22 Drilling hole 30 Slope 33 Vertical reinforcement bead 33a Vertical reinforcement bead 33b Vertical reinforcement bead 33c Vertical reinforcement bead 40 Protruding part 40a No. 1 protruding part 40b 1st protruding part 40c 2nd protruding part 50 PCU (power control unit)
51 Support bracket

As shown in FIGS. 4, 7 and 8, the protruding portion 40 is formed on one side in the width direction of the first protruding portion 40a connected to the upper end side of the inclined portion 30 in an inclined state and the lateral protection portion 20. It has one protruding portion 40b and a second protruding portion 40c formed on one and the other in the width direction of the side protection portion 20. In the above-mentioned protrusion 40, the first and second protrusions 40a and 40b and the first and second protrusions 40c are attached for convenience, and even if the first and second protrusions are interchanged. good.

Claims (2)

It is a protective member of the power control unit arranged inside the drive unit accommodation chamber formed in the vehicle.
The protective member has a main body portion and a protruding portion, and has a main body portion and a protruding portion.
The main body
A side protection unit arranged to face the side surface of the power control unit,
It has an inclined portion that is connected to the upper end of the lateral protection portion in an inclined state.
The protrusion is
A first protruding portion provided on one end side in the width direction of the inclined portion and the lateral protection portion, and
The inclined portion and the second protruding portion provided on the end side of the lateral protection portion on the other side in the width direction are provided, and the inclined portion and the lateral protection portion are provided on the end side in the width direction. It protrudes toward the power control unit and
A protective member characterized in that at least one of the first protruding portion and the second protruding portion is fastened to the power control unit. The protective member according to claim 1, wherein a lateral reinforcing bead is arranged between the first protruding portion and the second protruding portion in the width direction.

Images