JP5607964B2 - Human head dummy - Google Patents

Description

  The present invention relates to a human head dummy that imitates at least the head of each part of the human body, and more particularly to the human head dummy that can be equipped with a respirator such as a dust mask or a gas mask.

  A human head dummy that can mechanically move the skin around the mouth formed in the dummy by using a servomotor is known.

  For example, Crawley Creatures Limited homepage http: // www. crawley-creatures. com / index. The term “ROBOTICS” of htm (Non-patent Document 1) introduces “Porton Head” which is a human head dummy for evaluating a respiratory protective device worn on the head. In this dummy, a flexible wire is connected between the skeleton formed inside the periphery of the mouth and the servo motor, and a plurality of portions of the skeleton are moved by individual servo motors. The movement of the servo motor is computer controlled.

  In addition, the facial expression changing apparatus described in Japanese Patent Application Laid-Open No. 8-107983 (Patent Document 1) has a shape memory alloy actuator embedded in a soft synthetic resin mask placed on the head of a robot. Yes. The actuator is deformed into a memorized shape when it is heated, and the required part of the mask is elastically deformed by the deformation to change the facial expression of the robot.

JP-A-8-107983

Crawley Creatures Limited homepage http: // www. crawley-creatures. com / index. htm

  As one of the methods to evaluate the quality of the wearing condition on the face when wearing respiratory protective equipment such as a dust mask or gas mask, the mouth part has various shapes as when the wearer of the protective equipment has a conversation. In some cases, it is desirable to observe and evaluate the wearing condition when moving the camera. In the “Porton Head” in the prior art, there are eight drive parts in the skeleton around the mouth, and the mouth formed on the skin is moved to various shapes by moving the drive part. Thus, each drive unit is moved by a servo motor connected through a flexible wire. In such a conventional technique, since the drive unit and the servo motor are connected by a flexible wire, a servo motor having a relatively large torque is required. In addition, since the force of the driving unit acts locally on the mouth, a large number of driving units are required to smoothly deform the entire periphery of the mouth, or if the number of driving units is small, It can happen that the surroundings are torn.

  Further, in the conventional technique in which the mask is elastically deformed using an actuator made of a shape memory alloy, it is difficult to change the mouth of the mask into various shapes in a short time.

  An object of the present invention is to provide a human head dummy that can smoothly deform the entire periphery of the mouth in a short time.

  In order to solve the above-described problems, the present invention is directed to a human head dummy that imitates at least the head of the human body.

In such a human head dummy, the present invention is characterized as follows. The human head dummy has a front-rear direction, a lateral direction, and an up-down direction, a hollow head skeleton formed of a hard material, and a flexible elastic material that covers the head skeleton. And having a skin part. The face of the skin part is formed with a mouth part defined by upper and lower lips and capable of changing the opening shape. Around the mouth, an elastically deformable wire piece is embedded in the soft elastic material in a state of forming a ring, and a plurality of portions of the wire piece are made of an inflexible material and can be swung. One end of each of the plurality of connecting members is attached, while the opposite end of the one end is extended from the flexible elastic material toward the inside of the human head dummy, and the opposite end of each of the connecting members is Each of the servomotors capable of the required rotational movement is connected via a non-flexible joint member. When the servomotor performs the required rotational movement, each of the connecting members performs the pivoting motion via the joint member, and the wire piece is moved by the connecting member, so that the opening shape of the mouth portion is increased. To change.

  In one embodiment of the present invention, the wire piece includes an upper wire piece buried in the upper lip and a lower wire piece buried in the lower lip, and the connection member includes an upper connection member and a lower connection member. A first side connecting member and a second side connecting member are included. In the upper lip, the one end portion of the upper connecting member is embedded in the flexible elastic material on a median line that bisects the widthwise dimension of the face. In the lower lip, the one end portion of the lower connecting member is buried in the flexible elastic material on the median line. The upper lip and the lower lip intersect with each other to form a pair of intersecting portions including a first intersecting portion and a second intersecting portion on both sides in the width direction of the mouth portion. The one end portion of the first side connecting member is buried in the flexible elastic material in the first intersecting portion, while the one end portion of the second side connecting member is softly elastic in the second intersecting portion. Buried in the material. The one end of each of the first and second side connecting members is connected to both ends of the upper wire piece, and is connected to each of the upper arm portion that can turn in the vertical direction of the head and both ends of the lower wire piece, And a lower arm that can pivot in the vertical direction. The opposite end portions of the upper connecting member, the lower connecting member, the first side connecting member, and the second side connecting member are connected to the servo motors via the joint members. When the servo motor performs the required rotational movement, the upper connecting member and the lower connecting member reciprocate in the vertical direction along the median line, and the first side connecting member and the second side The direction connecting member reciprocates on a plane intersecting the median line to change the opening shape of the mouth.

In another embodiment of the present invention, the opposite end portion of the lower connecting member is accompanied by a drive unit for turning the lower lip and the vicinity thereof in the front-rear direction, and the drive unit is attached thereto. It turns by its own servo motor.

  In another embodiment of the present invention, the mouth portion has a first tubular portion extending inward of the human head dummy, and the first tubular portion is a separate intake and exhaust air from the human head dummy. It can be connected to any of the device, the pump for intake and exhaust, and the artificial lung.

  In another embodiment of the present invention, a hole corresponding to a nostril is formed in the face, and the hole includes a second tubular portion extending inward of the human head dummy, and the second tubular The part can be connected to either a measuring device or a measuring pipe separate from the human head dummy.

  In another embodiment of the present invention, each of the one end portion and the wire piece embedded in the flexible elastic material has at least one of them covering the plurality of through holes. The flexible elastic material is embedded together with the sheet piece.

In another embodiment of the present invention, the sheet piece has a portion extending from the wire piece and extending into the flexible elastic material, and the portion is integrated with the flexible elastic material. .

  In another embodiment of the present invention, the head can be reciprocally rotated in the lateral direction of the head.

According to still another embodiment of the present invention, the head is reciprocally pivoting movement to said longitudinal direction.

  In another embodiment of the present invention, at least one of the servo motors for the upper connecting member, the lower connecting member, the first side connecting member, and the second side connecting member, respectively. Are provided inside the head skeleton.

  In another embodiment of the present invention, the human head dummy has a neck and a chest.

  In another embodiment of the present invention, the human head dummy is formed so as to be capable of wearing a respirator including a dust mask and a gas mask.

  In the human head dummy according to the present invention, a wire piece is embedded in the flexible elastic material of the human head dummy so as to form a ring for the entire periphery of the mouth including the upper lip and the lower lip that define the mouth, Since the wire piece is connected to the servo motor via a connecting member and a joint member formed of an inflexible material, the movement of the servo motor is quickly transmitted to the joint member and the connection member, so that the wire piece is The wire piece moves and can smoothly deform the entire upper lip and the entire lower lip in a short time. Since the movement of the servo motor is not transmitted only to the local area around the mouth, it is possible to prevent the problem that the flexible elastic material is greatly deformed and broken only at the local area around the mouth.

The front view of a human head dummy. Side view of human head dummy. The front view of a skeleton part. The side view of a skeleton part. The front view of a drive part. The side view of a drive part. The perspective view of the back of a drive part. The enlarged front view of the upper part of a drive part. The expansion perspective view of the upper part of a drive part. The expansion side view of a lower connection member and a lower 2nd connection member. The photograph which illustrates the opening shape of a human head dummy by (a)-(d). The photograph which shows an example of a tubular part.

  The details of the human head dummy according to the present invention will be described with reference to the accompanying drawings.

  1 and 2 are a front view and a side view of a test / evaluation apparatus 1 for a respiratory protective device such as a dust mask and a gas mask, wherein the front-rear direction A, the lateral direction B, and the vertical direction C are double-headed. Shown with an arrow. The apparatus 1 includes a human head dummy 10 and an operation box 11. The operation box 11 includes an operation panel 11a in an upper portion, and a lower portion is not shown. The human head dummy 10 has a skin portion 15 forming a surface portion thereof, and the skin portion 15 includes a neck portion 17 and a chest portion 18 in addition to the head portion 16. The head 16 includes a top 16a, a back 16b, a side 16c, a face 16d, and the like. The face portion 16d is formed with a mouth portion 23, a nose portion 24, both eyes 26 and the like defined by the upper lip 21 and the lower lip 22, and both ears 27 are formed on the temporal portion 16c. In FIG. 2, a first tubular portion 28 that can be used as an intake / exhaust pipe extending from the mouth portion 23 to the inside of the head portion 16 and going out of the rear head portion 16 b by partially breaking the head portion 16, and the nose portion A second tubular portion 29 is shown which can be used as a vent tube extending from 24 nostrils 24a to the inside of the head 16 and out of the back 16b. The skin portion 15 is formed of a flexible elastic material having properties similar to the flexibility and elasticity of human skin, such as silicone rubber.

  3 and 4 are a front view and a side view of the skeleton part 30 that supports the skin part 15 from the inside and the drive unit 40 that is set inside the skeleton part 30, and the skin part 15 that covers the skeleton part 30. Is omitted. Most of the drive unit 40 in the figure is covered by the skeleton part 30, and the covered part is indicated by a chain line. In these drawings, the pedestal 12 to which the drive unit 40 is attached and fits inside the operation box 11 is also indicated by a chain line. The skeleton part 30 is made of a hard synthetic resin such as glass fiber reinforced plastic (FRP) and is not easily deformed. The skeleton part 31, the jaw skeleton part 32, the chest skeleton, Part 33. The head skeleton 31 and the chest skeleton 33 are formed in a cavity, and the drive unit 40 is set inside them. The head skeleton 31 is fixed to a skeleton support member 41 s extending upward from the support column 41 in the drive unit 40 by bolts, an adhesive (not shown), or the like. The jaw skeleton 32 is separate from the head skeleton 31, and includes a pair of skeleton pieces 32a and 32b having a symmetrical shape with respect to the median line CL. Each of the skeleton pieces 32a and 32b has upper end portions 32c and 32d rotatably attached to the stays 41h and 41i (see FIG. 8) of the drive unit 40 using bolts 32g, and the lower end portions 32e and 32f are It is attached to a post jaw lever 61 using a bolt 32h. The chest skeleton 33 is attached to the operation box 11 through fixing means (not shown). It is fixed to the base 12. At a plurality of locations on the surface of the skeleton part 30, one member 34 of a hook and loop member, which is known by a name such as Velcro (registered trademark), is formed. The other member (not shown) of the surface fastener is attached to the inner surface of the skin portion 15 in FIGS. 1 and 2, and the skin portion 15 and the skeleton portion 30 covered with the member are attached to the surface fastener. Unite through.

  5, 6, and 7 are a front view, a side view, and a rear perspective view of the drive unit 40. The drive unit 40 includes a support column 41 that extends vertically above the pedestal 12. The support column 41 is vertically divided into two parts, and includes an upper support column 41a and a lower support column 41b.

  The upper support column 41a is connected to the lower support column 41b via the support shaft 41c and is in a state of being able to turn in the front-rear direction A about the support shaft 41c. The upper column 41a is swung by a reciprocating motion in the vertical direction C between the first rod 41d and the second rod 41e which are parallel to each other and extend between the first servo motor S1 attached to the lower column 41b and the upper column 41a. The first rod 41d and the second rod 42e are formed at both ends of the link member L whose lower ends extend in the front-rear direction A about the rotation shaft (not shown) of the first servomotor S1. It is mounted for rotation. When the first rod 41d rises due to the rotation of the link member L, the second rod 41e descends, and when the first rod 41d descends, the second rod 41e rises. The turning of the upper column 41a means the turning of the head 16 in the front-rear direction A, and the turning of the head 16 is a nodding operation. A pair of coil springs SP for adjusting the balance of the upper column 41a in the front-rear direction A is attached to the upper column 41a and the lower column 41b so as to be in an extended state between the columns 41a and 41b. . The upper column 41a is formed by fixing two plate-like bodies 40p parallel to each other with a plurality of spacers 40s.

  The lower column 41b reciprocates in the direction indicated by the double-headed arrow P in FIG. 5, and is supported by a support shaft 12a and a support arm 12b, which are part of the base 12, so that the movement is possible. . The pedestal 12 includes a second servomotor S2, and a first gear 12c that reciprocally rotates under the control of the second servomotor S2 meshes with a second gear 41f attached to the lower end of the lower column 41b. The upper column 41a and the head 16 can be reciprocally rotated in the direction indicated by the double-headed arrow P via the lower column 41b.

  8 and 9 are a front view and a perspective view of an upper portion of the drive unit 40. In the upper column 41a in these drawings, the lower column 41b and the skeleton support member 41s are removed from the upper column 41a. Not shown. The illustrated drive unit 40 is formed with an annular part 45 for changing the shape of the mouth part 23 in FIG. 1 in various ways. The annular portion 45 includes an elastically deformable upper wire piece 45a that is curved so as to be convex upward, and an elastically deformable lower wire piece 45b that is curved so as to be convex downward. The end portions of these wire pieces 45 a and 45 b are connected to each other via the first side connecting member 46 and the second side connecting member 47. Each of the first side connecting member 46 and the second side connecting member 47 has upper arms 46a and 47a connected to the upper wire piece 45a and lower arms 46b and 47b connected to the lower wire piece 45b. The upper arm 46a and the lower arm 46b are pivotally attached to the non-flexible plate-like body 46c of the first side connecting member 46 through the screws 46d, and the double-headed arrow Q1 indicates the upper arm 46a and the lower arm 46b. It is in the state which can turn to the direction shown, ie, the up-down direction C. The upper arm 47a and the lower arm 47b have base ends attached to the non-flexible plate-like body 47c of the second side connecting member 47 via screws 47d, and are in the direction indicated by the double-headed arrow Q2, that is, It is in a state where it can turn in the vertical direction C.

  Each of the first side connecting member 46 and the second side connecting member 47 includes an outer end portion 82 and an outer end portion 84 extending rearward of the plate-like body 46c and the plate-like body 47c. Fixed to the lower end portion 46g of the non-flexible arm 46f and the lower end portion 47g of the non-flexible arm 47f attached to the rotary shaft 48 of the third servo motor S3 and the rotary shaft 49 of the fourth servo motor S4. ing. The lower end portion 46g is rotatably attached to the arm 46f via a support shaft 46h, and the lower end portion 47g is rotatably attached to the arm 47f via a support shaft 47h. When the rotary shaft 48 reciprocates, the arm 46f and the first side connecting member 46 reciprocate in the direction of the double-headed arrow R1 via the lower end 46g, and the first side connecting member 46 is in the middle. The approach to and separation from the midline CL can be repeated on a plane (not shown) orthogonal to the line CL. When the rotary shaft 49 reciprocates, the arm 47f and the second side connecting member 47 reciprocate in the direction of the double-headed arrow R2 via the lower end 47g, and the second side connecting member 47. Can repeat approach and separation to the midline CL on a plane (not shown) orthogonal to the midline CL.

  In the annular portion 45, the upper wire piece 45a and the lower wire piece 45b are inserted through the tubular end portion 51a and the tubular end portion 52a of the upper connecting member 51 and the lower connecting member 52 on the median line CL. . The upper wire piece 45a and the lower wire piece 45b may be slidable in the width direction B inside the tubular end portion 51a and the tubular end portion 52a, or may not be slidable. The case where it can be moved is shown. The wire piece and the tubular end can be made non-slidable by adhesion or welding.

  The upper connecting member 51 has a surface (not shown) of an upper first support member 51d in which an upper plate-like body 51b extending obliquely upward from the tubular end portion 51a is pivotally attached to the upper support shaft 51c. ). The upper first support member 51d is rotatably attached to the lower end portion 56a of the turning first arm 56 whose side wall portion 51e extends downward from above on the median line CL. The upper end portion 56b of the turning first arm 56 is rotatably connected to the other end portion 58a of the turning second arm 58 whose one end portion is fixed to the rotation shaft 57 of the fifth servo motor S5. When the fifth servomotor S5 is reciprocally rotated, the upper plate-like body 51b is indicated by a double-headed arrow R3 (see FIG. 4) together with the upper first support member 51d via the turning second arm 58 and the turning first arm 56. Reciprocates in the direction.

  In the lower connecting member 52, a lower plate-like body 52b extending obliquely downward from the tubular end portion 52a is fixed to the surface of the lower first support member 52c. As shown in FIG. 10 to be described later, the lower first support member 52c has a second lower connecting member 53 attached to the side wall portion 52e so as to be capable of reciprocating rotational movement via a support shaft 53a. The lower first support member 52c is also rotatably attached to the lower second support member 52g (see FIG. 10) via a support shaft 52f. The lower second support member 52g is fixed to the inner surface 61e of the bottom 61c of the inflexible jaw lever 61 on the median line CL.

  The jaw lever 61 extends in a J shape in FIG. 8 and has a first end 61a, a second end 61b, and a bottom 61c. The first end 61a is connected to the rotary shaft 62 via a first link 62a and a second link 62b extending from the rotary shaft 62 of the sixth servo motor S6. An intermediate portion 61d and a second end portion 61b between the first end portion 61a and the bottom portion 61c are rotatably supported by support shafts 41f and 41g that form a pair in the lateral direction B of FIG. The shafts 41f and 41g are respectively attached to brackets 41h and 41i extending from the upper column 41a. When the rotary shaft 62 of the sixth servomotor S6 reciprocates, the entire jaw lever 61 reciprocates about the support shafts 41f and 41g via the first link 62a and the second link 62b. The bottom 61c of the jaw lever 61 at that time and the lower connecting member 52 fixed to the bottom 61c reciprocate up and down while drawing an arc as shown by a double-headed arrow R4 (see also FIG. 10). exercise.

  FIG. 10 is a partially enlarged view of the side shape of the lower connecting member 52, the second lower connecting member 53, and the jaw lever 61 in FIG. 9, but the lower wire piece 45b is a part of an imaginary line. The jaw lever 61 is shown including the cross-sectional shape of the bottom 61c. In order to facilitate understanding of these shapes, the jaw skeleton 32 is not shown. In FIG. 10, the lower second support member 52g in the lower connecting member 52 is fixed to the inner surface 61e of the jaw lever 61 by attachment means such as welding, adhesion, screwing, etc. In the case of the figure, welding is adopted. . The second lower connecting member 53 includes a support shaft 53a, a drive wire 53b fixed to a lower portion of the support shaft 53a, and a tubular wire into which the drive wire 53b is slidably inserted in its length direction. It includes a guide 53d and a cylindrical wire guide holder 53c into which the wire guide 53d is inserted, and the wire guide 53d is fixed to the wire guide holder 53c via a screw 53e. The support shaft 53a is rotatably attached to the side wall portion 52e of the lower first support member 52c. The drive wire 53b extends from the support shaft 53a to the turning lever 59 of the seventh servomotor S7 (see FIG. 7), but the wire guide 53d extends to the front of the seventh servomotor S7 and the second wire. It is fixed to the guide holder 53f (see FIG. 7). The wire guide holder 53c is fixed to the bottom 61c of the jaw lever 61 by welding. The turning lever 59 turns by the rotation of the seventh servo motor S7, and reciprocates the driving wire 53b in the length direction of the driving wire 53b indicated by the double-headed arrow T1. The reciprocating motion of the drive wire 53b is transmitted to the lower connecting member 52 via the support shaft 53a and the lower first support member 52c, and the tubular end portion 52a is centered on the support shaft 52f in the direction indicated by the double-headed arrow R5. Reciprocates. In this way, the tubular end portion 52a can turn in the direction indicated by the double-headed arrow R4 and simultaneously can turn in the direction indicated by the double-headed arrow R5.

  Although the drive part 40 is formed in this way, the upper wire piece 45a and the lower wire piece 45b in the annular part 45 of the drive part 40 are the same as the upper lip 21 in the skin part 15 formed of a flexible elastic material. Embedded in the lower lip 22. The first side connecting member 46 includes the entire upper arm 46a and the lower arm 46b, and an inner end 81 (see FIG. 8) connected to the upper arm 46a and the lower arm 46b in the plate-like body 46c. The crossing portion 20a (see FIG. 1) between the upper lip 21 and the lower lip 22 is buried in a flexible elastic material. Out of the plate-like body 46 c, the outer end 82 (see FIG. 8) that is the end opposite to the inner end 81 is directed from the flexible elastic material forming the skin 15 toward the inside of the human head dummy 10. It protrudes and is fixed to the lower end 46g of the arm 46f. The second side connecting member 47 has the entire upper arm 47a and the lower arm 47b and an inner end 83 (see FIG. 8) connected to the upper arm 47a and the lower arm 47b in the plate-like body 47c. It is buried in the flexible elastic material at the intersection 20b (see FIG. 1) with the lower lip 22. Out of the plate-like body 47c, the outer end 84 (see FIG. 8), which is the opposite end of the inner end 83, protrudes from the flexible elastic material toward the inner side of the skin 15 and extends to the lower end 47g of the arm 47f. It is fixed. In the annular part 45, the tubular end 51a of the upper connecting member 51 and the inner end 85 (see FIG. 8) located in the vicinity of the tubular end 51a in the upper plate-like body 51b are the upper lip 21 and its It is buried in the flexible elastic material forming the vicinity, and the outer end 86 (see FIG. 8) opposite to the inner end 85 is formed from the flexible elastic material forming the skin portion 15. 10 protrudes toward the inner side of 10 and is fixed to the upper first support member 51d. The tubular end portion 52a in the lower connecting member 52 and the inner end portion 87 (see FIG. 8) located in the vicinity of the tubular end portion 52a in the lower plate-like body 52b form the lower lip 22 and the vicinity thereof. The outer end 88 (see FIG. 8), which is buried in the soft elastic material, opposite the inner end 87 protrudes from the soft elastic material and is fixed to the lower first support member 52c.

  Each part in the upper support | pillar 41a and the lower support | pillar 41b of the drive part 40 is formed with the metal, and even if it makes it move with 1st-6th servomotor S1-S6, a shape does not change elastically or inelastically. It is formed as follows. Each part formed as such is called inflexible in the present invention. For example, the jaw lever 61, the arms 46f, 47f, the lower ends 46g, 47g of the arms 46f, 47f, the upper plate 51b, the upper first support member 51d, the lower plate 52b, the lower first support member 52c, the turning first The joint members such as the 1 arm 56 and the turning second arm 58 are inflexible in the present invention. However, the upper wire piece 45a and the lower wire piece 45b included in the first upper column 41a are elastic and flexible so that various movements and shapes of the upper lip 21 and the lower lip 22 can be realized. It is formed by the wire piece which has. Examples of such wire pieces include piano wires, bundles of a plurality of piano wires, wire pieces made of a metal material such as a coil spring, and wire pieces made of a thermoplastic synthetic resin such as nylon or polycarbonate. Further, the coil spring SP interposed between the upper column 41a and the lower column 41b and the drive wire 53b and the wire guide 53d used for the second lower connection member 53 are also elastic and flexible. As is apparent from FIG. 7, the drive wire 53b extends from the jaw lever 61 located in front of the drive unit 40 to the seventh servo motor S7 located in the rear. It is formed of a metal material having elasticity and a thermoplastic synthetic resin so that a smooth curve can be drawn between them. The wire guide 53d is formed of a flexible or elastic flexible material such as a soft thermoplastic synthetic resin so as to follow the curved shape of the drive wire 53b.

  In the human head dummy 10 formed in this way, operating conditions such as ON / OFF of the first to seventh servo motors S1 to S7, the rotation angle, and the number of rotations per minute can be set in the operation box 11. . In the illustrated first to seventh servo motors S1 to S7, the following operations can be obtained.

S1: A motion in which the head 16 reciprocates in the front-rear direction A and nods.
S2: An operation in which the head 16 reciprocates in a clockwise direction and a counterclockwise direction.
S3: An operation in which the intersecting portion 20a of the upper lip 21 and the lower lip 22 approaches / separates from the median line CL.
S4: An operation in which the intersecting portion 20b of the upper lip 21 and the lower lip 22 approaches / separates from the median line CL.
S5: An operation in which the upper lip 21 rises and falls along the median line CL.
S6: An operation in which the lower lip 22 moves up and down along the median line CL. Movement of raising and lowering the cheek and jaw of the face portion 16d generated by the jaw skeleton 32 that moves integrally with the jaw lever 61.
S7: An operation in which the lower lip 22 and the lower part of the face portion 16d reciprocate in the front-rear direction A.

  While accurately controlling these movements of the human head dummy 10 with the first to seventh servo motors S1 to S7, and accurately reproducing them, not only when the wearer of the respiratory protective equipment is stationary, Even when the wearer is having a conversation, it is possible to visually compare and determine whether or not the wearing state of the respirator against the human head dummy 10 is good. Further, if the first tubular portion 28 of the human head dummy 10 is connected to an external device 2 (see FIG. 2) such as an intake / exhaust pump or an artificial lung, the wearing state corresponding to when the wearer repeats the breathing motion is obtained. Can be observed. Furthermore, by connecting the second tubular portion 29 of the human head dummy 10 to the pressure gauge, it is possible to observe the internal pressure of the face piece in the attached respiratory protective device. The second tubular portion 29 can also be connected to a dust meter to measure the amount of dust that enters the face body when the breathing operation is repeated.

  FIG. 11 is a photograph illustrating the front shape of the human head dummy 10 manufactured according to the present invention. The human head dummy 10 in the photograph is manufactured based on an average value of the head dimensions of 20 adult males aged 25 to 40 years old. (A)-(d) of the figure has shown the opening part 23 from which opening shape differs.

  (A) in the figure shows an opening shape adopted as a standard state in the human head dummy 10. The mouth portion 23 is in a lightly open state, and a simulated breathing operation by the human head dummy 10 is possible by connecting the first tubular portion 28 to an intake / exhaust pump (not shown). The human head dummy 10 in FIG. 10 is made to be in the state (a) by setting the operating conditions of the first to seventh servo motors S1 to S7 in the operation panel 11a in FIG. 1 to the standard state. Yes.

  (B) in the figure shows a state when the mouth portion 23 emits a sound of “A”. When the operation condition of the third to seventh servo motors S3 to S7 is set to “A” on the operation panel 11a, the first and second side connecting members 46 and 47 maintain the positions in the substantially standard state. However, the tubular end portion 51a of the upper connecting member 51 pivots upward from the position in the standard state along the double-headed arrow R3 to bring the upper lip 21 and its vicinity into the state shown in the figure. The tubular end portion 52a of the lower connecting member 52 pivots downward from the position in the standard state along the double-headed arrow R4, and pivots forward in the front-rear direction A along the double-headed arrow R5. Make the neighborhood as shown.

  (C) in the drawing shows a state when the mouth portion 23 emits a sound “I”. When the operation condition of the third to seventh servo motors S3 to S7 is set to “Yes” on the operation panel 11a, the first and second side coupling members 46 and 47 are moved from the position in the standard state to the outside in the width direction B. Then, the intersecting portions 20a and 20b of the upper lip 21 and the lower lip 22 move from the position in the standard state to the outside in the width direction B, and the state shown in the figure is obtained. The upper connecting member 51 and the lower connecting member 52 maintain their positions in a substantially standard state.

  (D) in a figure has shown the state when the opening part 23 is emitting the sound of "o". In the operation panel 11a, when the operating condition of the third to seventh servo motors S3 to S7 is set to “O”, the first and second side connecting members 46 and 47 are moved from the standard position to the inside in the width direction B. As a result, the intersections 20a and 20b of the upper lip 21 and the lower lip 22 move inward in the width direction B from the standard position, and the state shown in the figure is obtained. The upper connecting member 51 turns upward from the position in the standard state, and the upper lip 21 is in the state shown in the figure. The lower connecting member 52 pivots downward from the position in the standard state and also pivots forward in the front-rear direction A so that the lower lip 22 is in the state shown in the figure.

  The mouth portion 23 can take a shape when a sound other than the illustrated example is emitted by appropriately selecting the operating conditions of the third to seventh servo motors S3 to S7, and the opening shape can be set within a certain period of time. It is also possible to change continuously or to alternately repeat the standard opening shape and other opening shapes. At the mouth portion 23, the tubular end portion 51a of the upper connecting member 51 embedded in the flexible elastic material of the upper lip 21 and the upper arm 46a of the first side connecting member 46 form an upper wire piece 45a that forms a smooth curve. The tubular end portion 51a and the upper arm 47a of the second side connecting member 47 are connected via a lower wire piece 45b that forms a smooth curve. The tubular end 52a of the lower connecting member 52 embedded in the flexible elastic material of the lower lip 22 and the lower arm 46b of the first side connecting member 46 are connected via a lower wire piece 45b that forms a smooth curve. The tubular end 52a and the lower arm 47b of the second side connecting member 47 are connected via a lower wire piece 45b that forms a smooth curve. In the human head dummy 10 in which the mouth portion 23 is formed in this way, the third to seventh servo motors S3 to S7 are operated, and the first and second side connecting members 46 and 47, the upper connecting member 51, and the lower portion are operated. When the connecting member 52 moves, the movement reaches the entire upper lip 21 and the lower lip 22 via the upper wire piece 45a and the lower wire piece 45b, and the mouth 23 has various natural shapes as illustrated in FIG. Can take various shapes. In the present invention, the upper wire piece 45a may be replaced with one that is divided into a part that extends between the tubular end part 51a and the upper arm 46a and a part that extends between the tubular end part 51a and the upper arm 47a. The lower wire piece 45b can also be replaced with one that is divided into one that extends between the tubular end 52a and the lower arm 46b and one that extends between the tubular end 52a and the lower arm 47b. .

FIG. 12 is a photograph showing an example of the annular portion 45 used in the present invention. In the annular portion 45, an upper wire piece 45a and a lower wire piece 45b formed by coil springs are connected by first and second side connecting members 46 and 47, respectively. In the upper wire piece 45a and the lower wire piece 45b, the upper connecting member 51 and the lower connecting member 52 are located at positions on the median line CL. However, the upper wire piece 45 a and the lower wire piece 45 b are covered with the mesh fabric 101. The mesh fabric 101 is also widened toward the outside of the annular portion 45, and the widened portion 102 has a strip shape with a plurality of cuts 103 formed therein. As a result, only the outer end portions 46e and 47e are visible in the first and second side connecting members 46 and 47 in FIG. Further, the upper connecting member 51 and the lower connecting member 52 are visible below the mesh fabric 101. An example of molding the skin portion 15 in the human head dummy 10 is a method of pouring and curing a liquid resin material between a male mold and a female mold (not shown). The annular member 45 shown in FIG. 12 can be set as an insert at a required portion therebetween. After the resin raw material is cured to become a flexible elastic material, the upper wire piece 45a and the lower wire piece 45b formed of, for example, a coil spring and covered with the mesh fabric 101 are extended on the upper lip 21 and the lower lip 22. Even if the contraction and the contraction are repeated, the flexible elastic material does not easily tear or peel off from the upper wire piece 45a or the lower wire piece 45b. The mesh fabric 101 for achieving such an effect has an eye size that facilitates passage of the liquid resin, and when the resin raw material is cured to become a flexible elastic material, the mesh fabric 101 It is preferable that the flexible elastic material which covers both surfaces of 101 is connected in the eyes. The mesh fabric 101 is also preferably elastically stretchable / shrinkable so that it can follow the deformation of the flexible elastic material well. Such a mesh fabric 101 can be obtained not only by using rubber fibers such as polyurethane fibers but also by using crimped fibers. The mesh fabric 101 is used as an example of a sheet piece having a plurality of through holes that allows a liquid resin raw material to pass through, and a fiber gap comparable to such through holes is formed. The nonwoven fabric piece can be a substitute for the mesh fabric 101.

The mesh fabric 101 also spreads outside the annular portion 45 to prevent the annular portion 45 and the flexible elastic material from being peeled off, and to deform the upper lip 21 and the lower lip 22 around the upper lip 21 and the lower lip 22. In some cases, not only the upper lip 21 and the lower lip 22 but also the entire periphery of the mouth 23 can be smoothly deformed to create a state of the face portion 16d close to a natural state.

  In the present invention, the human head dummy 10 in the illustrated example has the neck portion 17 and the chest portion 18 so that the wearing state can be worn and the wearing state can be observed and evaluated. However, when it is desired to observe and evaluate a simple mask intended to cover only the mouth portion 23, the human head dummy 10 can be replaced with a human head dummy without the neck portion 17 or the chest portion 18. When the change in the shape of the mouth portion 23 may be simplified, the present invention can be carried out by omitting the second lower connecting member 53. Moreover, setting the first to sixth servo motors S1 to S6 inside the head skeleton 31 as shown in the drawing has the effect of reducing the size of the test / evaluation apparatus 1 and making it easy to carry. In the present invention, the servo motor can be set outside the head skeleton 31, but preferably at least one of the plurality of servo motors is set inside the head skeleton 31.

10 Human dummy 15 Skin 16 Head 17 Neck 18 Chest 20a First intersection 20b Second intersection 21 Upper lip 22 Lower lip 23 Mouth 28 First tubular part 29 Second tubular part 31 Head skeleton part 45 Ring (Annular part)
45a, 45b Wire piece 46 Connecting member (first side connecting member)
46a One end (upper arm)
46b One end (lower arm)
46f Joint member (arm)
46g Joint member (lower end)
47 Connecting member (second side connecting member)
47a One end (upper arm)
47b One end (lower arm)
47f Joint member (arm)
47g Joint member (lower end)
51 connecting member (upper connecting member)
51a One end (tubular end)
51d Joint member (upper first support member)
52 connecting member (lower connecting member)
52a one end (tubular end)
52c Joint member (lower first support member)
52g Joint member (lower second support member)
53 Drive part (2nd downward connection part)
61 Joint member (chin lever)
62a Joint member (first link)
62b Joint member (second link)
A Longitudinal direction B Horizontal direction C Vertical direction CL Midline

Claims (12)

A human head dummy imitating at least the head of each part of the human body,
The human head dummy has a front / rear direction, a lateral direction, and an up / down direction, a hollow head skeleton formed of a hard material, and a flexible elastic material that is covered with the head skeleton. And having a skin part
On the face of the skin part, a mouth part that is defined by the upper lip and the lower lip and can change the opening shape is formed,
Around the mouth, an elastically deformable wire piece forms a ring and is buried in the flexible elastic material,
One end of each of a plurality of connecting members formed of an inflexible material and capable of swiveling is attached to a plurality of portions of the wire piece, while the opposite end of the one end is directed to the inside of the human head dummy. Extending from the flexible elastic material,
The opposite end of each of the connecting members is connected to each of the servo motors capable of the required rotational movement via non-flexible joint members,
When the servo motor performs the required rotational movement, each of the connecting members performs the pivoting motion via the joint member, and the wire piece is moved by the connecting member, so that the opening shape of the mouth portion is changed. The human head dummy, which is changed. The wire piece includes an upper wire piece buried in the upper lip and a lower wire piece buried in the lower lip, and the connecting member includes an upper connecting member, a lower connecting member, a first side connecting member, and a second side. A connecting member,
In the upper lip, the one end portion of the upper connecting member is buried in the flexible elastic material on a median line that bisects the dimension in the width direction of the face,
In the lower lip, the one end of the lower connecting member is buried in the flexible elastic material on the median line,
The upper lip and the lower lip intersect with each other to form a pair of intersecting portions including a first intersecting portion and a second intersecting portion on both sides in the width direction of the mouth, and the first intersecting portion includes the first intersecting portion. The one end of the one side connecting member is embedded in the flexible elastic material, while the one end of the second side connecting member is embedded in the flexible elastic material in the second intersection.
The one end portion of each of the first and second side connecting members is connected to both end portions of the upper wire piece, and is connected to both upper end portions of the head that can be turned in the vertical direction and both end portions of the lower wire piece. A lower arm that can pivot in the vertical direction,
The opposite end portions of the upper connecting member, the lower connecting member, the first side connecting member, and the second side connecting member are connected to the servo motors via the joint members, respectively, When the servo motor performs the required rotational movement, the upper connecting member and the lower connecting member reciprocate in the vertical direction along the median line, and the first side connecting member and the second side member 2. The human head dummy according to claim 1, wherein a connecting member and a reciprocating reciprocating motion on a plane intersecting the median line change an opening shape of the mouth portion. 3. A drive part for turning the lower lip and its vicinity in the front-rear direction is attached to the opposite end of the lower connecting member, and the drive part is turned by a servo motor unique to the drive part. Human head dummy.   The mouth portion has a first tubular portion extending inward of the human head dummy, and the first tubular portion is one of an intake / exhaust device, an intake / exhaust pump, and an artificial lung separately from the human head dummy. The human head dummy according to any one of claims 1 to 3.   A hole corresponding to a nostril is formed in the face, and the hole has a second tubular portion extending inward of the human head dummy, and the second tubular portion is a separate measurement from the human head dummy. The human head dummy according to any one of claims 1 to 4, which can be connected to either the device or the measurement pipe.   Each of the one end portion and the wire piece embedded in the flexible elastic material are embedded in the flexible elastic material together with a sheet piece having at least one of them covering and having a plurality of through holes. The human head dummy according to claim 1. The human head dummy according to claim 6 , wherein the sheet piece has a portion extending from the wire piece and extending into the flexible elastic material, and the portion is integrated with the flexible elastic material.   The human head dummy according to claim 1, wherein the head is capable of reciprocating rotational movement in the lateral direction of the head. The human head dummy according to claim 1 , wherein the head can reciprocate in the front-rear direction. At least one of the servo motors for the upper connecting member, the lower connecting member, the first side connecting member, and the second side connecting member is provided inside the head skeleton. The human head dummy according to claim 2, which directly or indirectly cites claim 2.
  The human head dummy according to claim 1, wherein a neck and a chest are formed on the human head dummy.   The human head dummy according to any one of claims 1 to 11, wherein the human head dummy is formed so as to be capable of wearing a respirator including a dust mask and a gas mask.