Head and shoulder structure having turning function

Abstract

The present invention discloses a head-shoulder structure with a rotation function, configured for acoustic voice testing. This invention comprises voice head-shoulder simulator and a head-turning mechanism disposed inside said voice head- shoulder simulator. The head-turning mechanism drives the voice head-shoulder simulator to perform head-lifting action, head-lowering action, head-turning action, and head-swing action so that to adapt to the voice testing from different angles. The head-turning mechanism used in this invention could drive head portion to perform the head-lifting action, head-lowering action, head-swing action from side to side and head-turning action to the left and right. The high-precision rotation and swinging actions enable testing of the sound emission and reception capabilities of voice intercom terminals in multiple directions, achieving the true simulation performance, and enhancing the testing accuracy.

Description

Field of the invention

[0001] The present invention relates to a head-shoulder structure, in particular to a head-shoulder structure with rotation function.Background of the invention

[0002] To test the sound emission and reception capabilities of voice intercom terminals, it's necessary to analyse and process the test results of the voice intercom terminals.

[0003] However, the existing head-shoulder simulator is limited by its own structure, the angle of the head portion of the head-shoulder simulator is fixed, unable to rotate or swing, and unable to achieve true simulation results, and it is difficult to achieve the testing of the sound emission and reception capabilities of voice intercom terminals.Summary of the invention

[0004] The purpose of the present invention is to provide a head-shoulder structure with rotation function for solving the above-mentioned technical problems.

[0005] The technical solution adopted by the present invention is as follows: a head-shoulder structure with rotation function, configured for acoustic voice testing, comprising voice head- shoulder simulator and a head-turning mechanism disposed inside said voice head- shoulder simulator, the head-turning mechanism is configured to drive the voice head- shoulder simulator to perform head-lifting action, head-lowering action, head-turning action, and head-swing action so that to adapt to a voice testing from different angles.

[0006] As a preferred embodiment, the voice head-shoulder simulator comprising a head portion, a shoulder portion, and a soft rubber sleeve arranged at an upper end of the shoulder portion, the head portion is arranged at a middle part of the soft rubber sleeve, and at least part of the head portion extending into the shoulder portion and connecting to the head-turning mechanism inside the shoulder portion.

[0007] As a further preferred embodiment, the head-turning mechanism comprising a connecting disk disposed inside the shoulder portion and connected to the head portion, and a rotating disk, the connecting disk fixed to the rotating disk.

[0008] As a further preferred embodiment, wherein further comprising a first transmission mechanism, a second transmission mechanism and a third transmission mechanism, the first, second, third transmission mechanism is respectively hinged with the rotating disk, wherein the first transmission mechanism is configured to drive the rotating disk for nodding action, the second transmission mechanism is configured to drive the rotating disk for head up action, the third transmission mechanism is configured to drive the rotating disk for head-swinging action, and the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism are configured to drive the rotating disk for head-turning action.

[0009] As a further preferred embodiment, wherein further comprising a first stepper motor connected with the first transmission mechanism, a second stepper motor connected with the second transmission mechanism, and a third stepper motor connected with the third transmission mechanism.

[0010] As a further preferred embodiment, wherein further comprising a support shaft on which the other end of the first transmission mechanism, the second transmission mechanism, the third transmission mechanism all sleeved.

[0011] As a further preferred embodiment, the third transmission mechanism comprising an upper drive sleeve mounted on an outer periphery of the support shaft, a lower timing pulley mounted on an outer periphery of the upper drive sleeve, and a first rocker arm connecting the upper drive sleeve and the rotating disk, the first motor is connected to the upper timing pulley for transmission.

[0012] As a further preferred embodiment, the second transmission mechanism comprising an intermediate timing pulley, a fourth spacer, an intermediate drive sleeve sleeved on an outer periphery of the upper drive sleeve, and a second rocker arm connecting the rotating disk and the intermediate drive sleeve, the intermediate timing pulley sleeve is sleeved on an outer periphery of the intermediate drive sleeve , wherein, the intermediate timing pulley is located on an upper side of the lower timing pulley, and the fourth spacer is disposed between the intermediate timing pulley and lower timing pulley, the second motor is drivingly connected to the intermediate timing pulley.

[0013] As a further preferred embodiment, wherein further comprising a first spacer disposed between an upper side of the intermediate drive sleeve and the upper drive sleeve, and a first ball sleeve disposed between an inner circumferential wall of the intermediate drive sleeve and an outer periphery of the upper drive sleeve.

[0014] As a further preferred embodiment, the third transmission mechanism comprising an upper timing pulley disposed on an outer periphery of lower drive sleeve, a lower drive sleeve sleeved on an outer periphery of the intermediate drive sleeve, a third rocker arm connecting the rotating disk and the lower drive sleeve, a second ball sleeve disposed between the lower drive sleeve and the intermediate drive sleeve, a second spacer disposed between the second ball sleeve and the lower drive sleeve, and a third spacer disposed between the lower drive sleeve and the intermediate timing pulley, the upper timing pulley is drivingly connected to the third motor.

[0015] The above technical schemes have the following advantages or beneficial effects: The head-turning mechanism used in this present invention could drive head portion to perform the head-lifting action, head-lowering action, head-swing action from side to side and head-turning action to the left and right. The high-precision rotation and swinging actions enable testing of the sound emission and reception capabilities of voice intercom terminals in multiple directions, achieving the true simulation performance, and enhancing the testing accuracy.Brief Description Of The Drawings

[0016] Figure 1 is a schematic structural view of a head-turning mechanism in the head-shoulder structure with rotation function according to the present invention. Figure 2 is a schematic structural view of the cooperation between the rotating disk and transmission structure according to the present invention. Figure 3 is a table of the swing angle relationship of the head-turning mechanism according to the head-shoulder structure with rotation function of the present invention. Figure 4 is a schematic structural view of the acoustic head-torso simulator according to the present invention. Figure 5 is a schematic diagram of the distribution of the first motor, second motor and third motor according to the present invention. Reference Numbers in Figures

[0017] 1connecting disk 2rotating disk 3second rocker arm 4dowel pin 5rolling bearing 6retaining ring 7upper drive sleeve 8first spacer 9intermediate drive sleeve 10second spacer 11first ball sleeve 12lower drive sleeve 13parallel key 14upper timing pulley 15third spacer 16Intermediate timing pulley 17fourth spacer 18lower timing pulley 19flat thrust bearing 20first hex socket head cap screw 21straight cylindrical pin 22timing belt 23third motor 24bearing housing 25ball bearing 26spacer collar 27second hex socket head cap screw 29baseplate 30head portion 31shoulder portion 32flexible silicone sheath 33first motor 34second motor Detailed description of the invention

[0018] In order to be able to understand the technical content of the present invention more clearly, the following embodiments are specifically and completely described with the attached pictures, clearly, the embodiments described is part of this present invention, not all of the embodiments. Based on the embodiments in the present invention, all embodiments obtained by ordinary technicians in this field without making creative work are within the scope of the protection of this present invention.

[0019] In the description of this present invention, it is to be noted that if the terms appear, such as "intermediate" "upper" "lower" "left" "right" "vertical" "horizontal" "inside" "outer" etc., the direction and location relationship what they indicated by it is based on the direction and location shown in the attached figure, and it is merely for the convenience of describing this present invention and simplifying the description, instead of instructing or hinting the instruction or components must have a specify direction, or be built and operated in a specify direction, so it can't be comprehended as limit of the present invention. Furthermore, if the terms "first" "second" and "third" appear, they are only used for the description of purpose, and cannot be comprehended as instructing or hinting relative importance.

[0020] In the description of this present invention, it is to be noted that unless otherwise expressly specified or defined, such as the term "arrange" "connected" "connection", should be comprehend broadly, for example, it can be detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be immediately connected, or connected by intermediate medium, or the internal connection of two components. The ordinary technicians in this field, should comprehend the specific meaning of the above terms in the present invention in a specific situation.

[0021] FiG.1 is a schematic structural view of a head-turning mechanism in the head-shoulder structure with rotation function according to the present invention; FIG.2 is a schematic structural view of the cooperation between the rotating disk and transmission structure according to the present invention; FIG.3 is a table of the swing angle relationship of the head-turning mechanism according to the head-shoulder structure with rotation function of the present invention; FIG.4 is a schematic structural view of the acoustic head-torso simulator according to the present invention; FIG.5 is a schematic diagram of the distribution of the first motor, second motor and third motor according to the present invention. Referring to Figs. 1 to 5, a preferred embodiment is shown. The shown structure is a head-shoulder structure with a rotation function for acoustic audio testing comprising a voice head-shoulder simulator and a head-turning mechanism disposed inside the voice head-shoulder simulator. The head-turning mechanism drives the voice head-shoulder simulator to perform head-lifting action, head-lowering action, head-turning action, and head-swing action so that to adapt to the voice testing from different angles. The head-turning mechanism in this embodiment can drive the voice head-shoulder simulator to rotate or swing at various angles with high accuracy. Compared to existing voice head-shoulder simulators, the voice head-shoulder simulator in this embodiment enable testing of the sound reception capabilities of voice intercom terminals in multiple directions, achieving the true simulation effect.

[0022] Furthermore, as a better implementation, the voice head-shoulder simulator comprising a head portion 30, a shoulder portion 31, and a soft rubber sleeve 32 as a preferred embodiment. The head portion 30 and the soft rubber sleeve 32 are respectively arranged at the upper end of the shoulder portion 31 and the middle of the soft rubber sleeve 32, with at least part of the head portion 30 extending into the shoulder portion 31 and connected to the head-turning mechanism inside the shoulder portion 31. As shown in Fig. 4, the soft rubber sleeve 32 is disposed between the head portion 30 and the shoulder portion 31, facilitating multi-angle rotation of the head portion 30 in this embodiment, and the part of the head portion 30 extending into the shoulder portion 31 is connected to the connecting disk 1 of the head-turning mechanism. Wherein, the connecting disk 1 drives the head portion 30 to perform head-lifting action, head-lowering action, head-swing action from side to side and head-turning action to the left and right of the head portion 30.

[0023] Referring to Figs. 1-3 and 5, the head-turning mechanism comprises the connecting disk 1, rotating disk 2, the first transmission mechanism, second transmission mechanism, third transmission mechanism, first motor 33, second motor 34, and third motor 23. One end of each of the first, second, third transmission mechanism is respectively connected with the rotating disk 2, the connecting disk 1 is disposed on the rotating disk 2. And the other end of the first transmission mechanism is connected with the first motor 33, the other end of the second transmission mechanism is connected with the second motor 34, the other end of the third transmission mechanism is connected with the third motor 23. The first transmission mechanism is used to drive the rotating disk 2 for nodding action, the second transmission mechanism is used to drive the rotating disk 2 for head up action, and the third transmission mechanism is used to drive the rotating disk for head-swinging action. The first transmission mechanism, the second transmission mechanism, and the third transmission mechanism are used to drive the rotating disk 2 for head-turning action. In the embodiments, referring to Figs. 1, the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism can work independently of each other, or work cooperatively. For example, when they work independently of each other, the first motor 33 can drive the first transmission mechanism to perform head-lowering action, the second motor 34 is configured to drive the second transmission mechanism to perform head-lifting action, the third motor 23 is configured to drive the third transmission mechanism to perform head-swing action to the left or right, when the first motor33, the second motor34, and the third motor23 work cooperatively, the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism drive the rotating disk 2 to perform turning action to the left or right, which enable to meet the needs of modernization. The maximum swing angle of the head-turning mechanism is configured to control voice head- shoulder simulator to left or right 36°, when exceeds 36°, it cannot swing, the accuracy of the turning angle and the swing angle is 1°. In the embodiments, referring to Figs. 5, the distribution mode of the first motor33, the second motor34, and the third motor23 is generally triangular. All three motors 33,34,23 in the embodiments may be stepper motor, which can improve the accuracy of control.

[0024] Furthermore, as a better implementation, also comprising a support shaft, the other end of the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism are sleeved on it. The support shaft in the embodiments is configured to support the first transmission mechanism, the second transmission mechanism and the third transmission mechanism, and all the three transmission mechanisms is configured to rotate relative to the support shaft.

[0025] Furthermore, as a better implementation, the third transmission mechanism comprising the upper drive sleeve 7 sleeved on an outer periphery of the support shaft, the lower timing pulley18 sleeved on an outer periphery of the upper drive sleeve 7, and a first rocker arm connected the upper drive sleeve7 with the rotating disk2, the first motor is connected to the upper timing pulley 14 for transmission. In the embodiments, referring to Fig. 1, the first motor drives the lower timing pulley18 to rotate, the lower timing pulley18 drives the upper drive sleeve 7 rotate relative to the support shaft, the upper drive sleeve 7 drives the first rocker arm to rotate, then drives the rotating disk 2 to perform head-swing action.

[0026] Furthermore, as a better implementation, the second transmission mechanism comprising an intermediate timing pulley 16, a fourth spacer 17 ,an intermediate drive sleeve 9 sleeved on an outer periphery of the upper drive sleeve 7, and a second rocker arm 3 connecting the rotating disk 2 and the intermediate drive sleeve 9, the intermediate timing pulley sleeve16 is sleeved on an outer periphery of the intermediate drive sleeve 9, wherein, the intermediate timing pulley 16 is located on an upper side of the lower timing pulley 18, and the fourth spacer 17 is disposed between the intermediate timing pulley16 and lower timing pulley 18, the second motor is drivingly connected to the intermediate timing pulley 16. The second motor drives the intermediate timing pulley 16 to promote the intermediate drive sleeve 9 to rotate, and the intermediate drive sleeve 9 drives the second rocker arm 3 to rotate, then drive the rotating disk 2 to head- lifting action. The fourth spacer17 is configured to seal between the intermediate timing pulley 16 and the lower timing pulley 18. The second motor is configured to connect with the intermediate timing pulley 16 by timing belt or leash.

[0027] Furthermore, as a better implementation, comprising a first spacer 8 disposed between an upper side of the intermediate drive sleeves 9 and the upper drive sleeve 7, and a first ball sleeve 11 sleeved on between an outer periphery of the upper drive sleeve 7 and the inner circumferential wall of the intermediate drive sleeves 9. The first spacer 8 is configured to the seal between the intermediate drive sleeves 9 and the intermediate drive sleeves 9, and the first ball sleeve 11 is configured to promote the relative rotate between the intermediate drive arm and the upper drive sleeve 7, allowing the rotation between the two without affecting each other.

[0028] Furthermore, as a better description, the third transmission mechanism comprisinga lower drive sleeve 12 sleeved on a outer periphery of the intermediate drive sleeve 9, an upper timing pulley 14 disposed on an outer periphery of the lower drive sleeve 12, a third rocker arm connecting the rotating disk 2 and the lower drive sleeve 12, a second ball sleeve disposed between the lower drive sleeve 12 and the intermediate drive sleeve 9, a second spacer 10 disposed between the second ball sleeve and the lower drive sleeve 12, and a third spacer 15 disposed between the lower drive sleeve 12 and the intermediate timing pulley 16, the upper timing pulley 14 is drivingly connected to the third motor 23 by timing belt or leash. In the embodiment, the third motor 23 drives the upper timing pulley 14 to promote the lower drive sleeve 12 to rotate, and the rotation of the lower drive sleeve 12 and the third rocker arm promotes the third rocker arm to drive the rotating disk 2 to perform the head-swing action. The second spacer 10 is configured to the seal between the second ball sleeve and the lower drive sleeve 12, the third spacer 15 is configured to the seal between the lower drive sleeve 12 and the intermediate timing pulley 16, and the second ball sleeve is configured to the independent job between the lower drive sleeve12 and the intermediate drive sleeves9 each other to avoid affecting the rotation of the two, and the lower drive sleeve 12 and the intermediate drive sleeve 9 can rotate with each other. The shapes of the first rocker arm, second rocker arm 3 and third rocker arm are identical, and the three all has a " "-shaped structure, referring to Figs. 1 for details, the one end of the first rocker arm, second rocker arm 3 and third rocker arm are all connected with the rotating disk 2, and the angle with the other end of the three rocker arms is identical. The shapes of the lower drive sleeve 12, the intermediate drive sleeve 9, and the upper drive sleeve 7 are homology, referring to Figs. 1 for details, the three all comprising a annular rotating part, configured to be sleeved on the support shaft, a horizontal part connected with the rotating part, and an inclined part connected with a side of the horizontal part away from the rotating part, and the inclined part is disposed inclinedly from top to bottom towards the direction close to the rotating part, the first rocker arm, second rocker arm 3 and third rocker arm are all rotationally connected with a side of the inclined part away from the horizontal part and the rotating disk 2.

[0029] In the embodiment, comprising dowel pin 4 connected the inclined part with the first rocker arm, second rocker arm 3 and third rocker arm, rolling bearing 5 sleeved on an outer periphery of dowel pin 4, to facilitate the rotation between the rotating part and the inclined part, and a retaining ring 6 disposed at the end of the dowel pin 4.

[0030] In the embodiment, comprising parallel key 13 connected upper timing pulley 14 with lower drive sleeve 12.

[0031] In the embodiment, there are a first hex socket head cap screw 20 and a straight cylindrical pin 21 disposed on the connecting disk 1, the first hex socket head cap screw20 connected the connecting disk 1 with rotating disk 2, straight cylindrical pin21 configured to connect the voice head- shoulder simulator.

[0032] In the embodiment, comprising timing belt 22, third motor 23 is drivingly connect with upper timing pulley 14 by the timing belt 22.

[0033] In the embodiment, comprising a second hex socket head cap screw 27 connected baseplate 29 with bearing housing 24.

[0034] Furthermore, as a better implementation, comprising bearing housing 24, a side of support shaft disposed inside, and a flat thrust bearing19 disposed between the lower side of lower timing pulley 18 and the bearing housing 24.

[0035] Furthermore, as a better implementation, comprising a baseplate 29 disposed on a lower side of the bearing housing 24, spacer collar 26 sleeved on a side of support shaft and located inside the bearing housing 24, a ball bearing25 disposed on the both sides of the spacer collar26.

[0036] The above are only better embodiments of the present invention, instead of intending to limit the scope of protection and implementation of the present invention.

[0037] The head-turning mechanism in the present invention can adopt the rest structures, configured to perform head-lifting action, head-lowering action, head-turning action, and head-swing action.

[0038] For example, a head-turning mechanism is configured to comprising rotating mechanism and telescopic mechanism, wherein, rotating mechanism comprising a first stepper motor and a rotating shaft; wherein the rotating disk disposed on an upper side of the rotating shaft, and the head portion of voice head-shoulder simulator is disposed on the rotating disk; the first stepper motor drives the rotating shaft to rotate, then promote the head portion to rotate, and the maximum rotating angle to left or right is 90° . And telescopicmechanism is disposed on the rotating disk, configured to drive the head to perform head-lifting action, head-lowering action, and head-swing action to the left and right, wherein, the telescopicmechanism comprising four second stepper motors, respectively disposed on the four positions in the front, back, left and right of the lower side of the head portion. Wherein, the output shaft of the second stepper motors are all hinged with the head and all drive the head portion to perform actions through a stretch and a contraction, the two in the left and right perform the head-swing action and the two in the front and back perform the head-lifting action, and head-lowering action.

[0039] All the above are only better embodiments of the present invention, instead of intending to limit the scope of protection and implementation of the present invention. The technicians in this field, it should be able to realize that the scheme obtained by using the equivalent replacement and obvious changes made by the present instruction and figure content of the present invention should be comprised in the protection scope of the present invention.

Claims

1. A head-shoulder structure with a rotation function, configured for acoustic voice testing, characterized in that comprising a voice head- shoulder simulator and a head-turning mechanism disposed inside said voice head- shoulder simulator, the head-turning mechanism is configured to drive the voice head- shoulder simulator to perform head-lifting action, head-lowering action, head-turning action, and head-swing action so that to adapt to a voice testing from different angles.

2. The head-shoulder structure with a rotation function according to claim 1, wherein the voice head-shoulder simulator comprising a head portion, a shoulder portion, and a soft rubber sleeve arranged at an upper end of the shoulder portion, the head portion is arranged at a middle part of the soft rubber sleeve, and at least part of the head portion extending into the shoulder portion and connecting to the head-turning mechanism inside the shoulder portion.

3. The head-shoulder structure with a rotation function according to claim 2, wherein the head-turning mechanism comprising a connecting disk disposed inside the shoulder portion and connected to the head portion, and a rotating disk, the connecting disk fixed to the rotating disk.

4. The head-shoulder structure with a rotation function according to claim 3, wherein further comprising a first transmission mechanism, a second transmission mechanism and a third transmission mechanism, the first, second, third transmission mechanism is respectively hinged with the rotating disk, wherein the first transmission mechanism is configured to drive the rotating disk for nodding action, the second transmission mechanism is configured to drive the rotating disk for head up action, the third transmission mechanism is configured to drive the rotating disk for head-swinging action, and the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism are configured to drive the rotating disk for head-turning action.

5. The head-shoulder structure with a rotation function according to claim 4, wherein further comprising a first stepper motor connected with the first transmission mechanism, a second stepper motor connected with the second transmission mechanism, and a third stepper motor connected with the third transmission mechanism.

6. The head-shoulder structure with a rotation function according to claim 4, wherein further comprising a support shaft on which the other end of the first transmission mechanism, the second transmission mechanism, the third transmission mechanism all sleeved.

7. The head-shoulder structure with a rotation function according to claim 6, wherein the third transmission mechanism comprising an upper drive sleeve mounted on an outer periphery of the support shaft, a lower timing pulley mounted on an outer periphery of the upper drive sleeve and a first rocker arm connecting the upper drive sleeve and the rotating disk, the first motor is connected to the upper timing pulley for transmission.

8. The head-shoulder structure with a rotation function according to claim 4, wherein the second transmission mechanism comprising an intermediate timing pulley, a fourth spacer, an intermediate drive sleeve sleeved on an outer periphery of the upper drive sleeve, and a second rocker arm connecting the rotating disk and the intermediate drive sleeve, the intermediate timing pulley sleeve is sleeved on an outer periphery of the intermediate drive sleeve , wherein, the intermediate timing pulley is located on an upper side of the lower timing pulley, and the fourth spacer is disposed between the intermediate timing pulley and lower timing pulley, the second motor is drivingly connected to the intermediate timing pulley.

9. The head-shoulder structure with a rotation function according to claim 8, wherein further comprising a first spacer disposed between an upper side of the intermediate drive sleeve and the upper drive sleeve, and a first ball sleeve disposed between an inner circumferential wall of the intermediate drive sleeve and an outer periphery of the upper drive sleeve.

10. The head-shoulder structure with a rotation function according to claim 9, wherein the third transmission mechanism comprising an upper timing pulley disposed on an outer periphery of lower drive sleeve, a lower drive sleeve sleeved on an outer periphery of the intermediate drive sleeve, a third rocker arm connecting the rotating disk and the lower drive sleeve, a second ball sleeve disposed between the lower drive sleeve and the intermediate drive sleeve, a second spacer disposed between the second ball sleeve and the lower drive sleeve, and a third spacer disposed between the lower drive sleeve and the intermediate timing pulley, the upper timing pulley is drivingly connected to the third motor.

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