JP2000077150A - Direct-drive motor device incorporating slip ring assembly - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a direct-drive positioning device having a motor and a slip-ring mechanism, by adapting an electrical connector means to transmit electric power, electrical signals, and the like carried by first wire means to second wire means via a rotary electrical coupling means. SOLUTION: Wires 8 connected at one end to brushes of a slip ring assembly 6 are connected at the other end to rotary rings of a slip ring assembly 9 within a shaft of a rotor 16 of a motor 10. Wires 11 connected to the brushes are connected at the other end to a camera 12 and a control circuit. By this arrangement, the camera 12 can limitlessly and continuously rotate centering around a panning axis H or a tilting axis V without causing wires to be twisted or deflected. A camera holding bracket 7 rested on a rotor 14 of a panning motor 2 is directly driven, while the rotor 16 of the tilting motor 10 directly drives the camera 12 to control its tilting position. Because of simplified structure, reliability, efficiency, and accuracy of a positioning device are improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor device used for positioning a device such as a robot arm along X, Y, and Z axes, and more specifically, to a motor device used for a television camera. The present invention relates to an electric motor device.

[0002]

2. Description of the Related Art A positioning device such as a pan / tilt head for a television camera or a robot arm has a fixed body to be mounted on a wall, a pillar or a desk, and has an electric motor, a gear, a roller, or a belt and a pulley. Or a transmission assembly composed of a chain or the like. Such a pan / tilt head or robot arm mechanism is generally configured such that a television camera or a robot arm makes an angular rotation about its vertical axis, horizontal axis, and / or another angular axis. Wires and cable assemblies are sometimes used to connect a rotating television camera or a robot arm circuit to a fixed base of a positioning device. Such wires and cables are commonly known as flexible cable assemblies that span between a fixed member and a rotatable member or between two rotatable members of a positioning device. Thus, the cable assembly rotates and twists and flexes as the positioning device moves. As a result, the cable is eventually cut. This often requires uneconomical cable replacements and also prevents the positioning device from rotating more than 360 degrees about its axis when such a cable assembly spans across a positioning device joint. And thereby limits the free rotation of the positioning device.

[0003] Some positioning devices use a slip ring or rotating contact assembly that is positioned at the center of each rotating axis, thereby preventing the cable assembly from spanning across the rotating joint. However,
Since such a slip ring assembly occupies the center of the rotating shaft, it is not possible to use a direct drive motor such as a stepping motor which is very efficient, accurate and does not require a transmission mechanism.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a direct drive positioning device having a direct drive motor and a slip ring mechanism mounted within or along the main shaft of the motor. When positioning such a direct drive motor along with its shaft on each axis, the cable is not twisted or bent and is free to rotate freely over 360 degrees around the horizontal, vertical and / or other angular axes. Allow continuous rotation.

[0005]

According to the present invention, a direct drive positioning device has at least one rotating member capable of rotating about a horizontal or vertical axis or other angular axis of the positioning device. . The rotating members are each provided with means for mounting a television camera or a robot arm and / or other members for incorporating further joint positioning mechanisms. The direct drive motor has a central shaft connected to the rotating member for directly driving the rotating member, the central shaft having a rotating contact or slip ring assembly.
The rotating contact or slip ring assembly is for connecting the television camera, the robot arm and / or the direct drive motor to the control circuit and other peripheral and auxiliary devices. This eliminates the problems associated with the use of bent cables and provides continuous, uninterrupted rotation of 360 degrees or more about the axis of rotation.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and other objects and features of the present invention will become apparent from the following description of a preferred embodiment of the invention which refers to the accompanying drawings. A television camera device 1 shown in FIG. 1 is a well-known dome-shaped camera enclosure 3 used in a monitoring device, and includes a transparent or translucent dome 3A and a camera enclosure 3.
, A panning motor 2 fixed to the surface of the substrate 4, and a panning motor rotatable about a horizontal axis H (pan) extending through the center of the substrate 4 and orthogonal to the substrate 4. And a camera holding bracket 7 attached to the second rotor 14.

A tilting motor 10 is fixedly mounted on one side of a camera holding bracket 7 formed as an inverted U-shaped fork-shaped holder. TV camera 1
Numeral 2 is attached to the rotor 16 of the tilting motor 10, and enables the camera to rotate around a vertical axis V (tilt). On the other hand, on the opposite side, the camera is mounted on the camera holding bracket 7 via a well-known pivot rotary joint 15 extending along the V-axis.

The V axis (tilt) perpendicular to the H axis (pan), the L axis (lens) perpendicular to the V axis (tilt), and the H axis (pan) all intersect at the center of the dome-shaped cover portion 3A. Therefore, it provides unlimited panning and tilting movements over the entire circumference within the dome sphere.

The panning motor 2 incorporates a rotating contact or a slip ring assembly 6 inside a rotor 14 as shown in FIGS. The slip ring assembly 6 itself comprises a rotating conductive metal ring and a complementarily mounted conductive metal brush which exerts pressure on the continuous current flow during rotation of the metal ring. It is a known assembly.

[0010] Connecting wires 5 including wires for supplying power and control signals to the camera and receiving video signals, audio signals, and data signals from the camera include a dome-shaped closure or case 3 and rotation of the slip ring assembly 6. It passes through an opening in the substrate 4 for connecting the ring. The electric wire 13 for supplying electric power to the panning motor 2 may be directly connected through another opening 13A if the panning motor 12 is an inner rotor type, and if the panning motor 12 is an outer rotor type, the connecting wire 5 Must be connected with.

The electric wire 8 connected to the brush of the slip ring assembly 6 at one end is sent through the opening of the holding bracket 7 and the other end of the electric wire 8 is mounted on the shaft of the rotor 16 of the tilting motor 10. It is connected to a rotating ring of the ring assembly 9.

The electric wire 11 connected to the brush of the slip ring assembly 9 is connected at the other end to a camera 12 and a control circuit (not shown). From FIG. 1 it is clear that in this arrangement the camera can rotate indefinitely about its panning axis H or its tilting axis H without twisting or bending. Furthermore,
It is also evident that the camera holding bracket 7 mounted directly on the rotor 14 of the panning motor 2 is driven directly by the drive motor without a power transmission mechanism. Similarly, it is clear from FIG. 1 that the rotor 16 of the tilting motor 10 can directly drive the tilting position of the camera without using a power transmission mechanism. The elimination of the power transmission device and assembly reduces the size of the dome-shaped camera enclosure 3, simplifies the configuration, and improves the reliability, efficiency, and accuracy of the positioning device.

The robot arm 20 shown in FIG. 2 has a fixed body 24 attached to a table 21. The electric motor 25 installed on the upper surface of the fixed body 24 incorporates a rotating contact or a slip ring assembly in a rotor shaft 26, and the rotor is attached to one end of a horizontal rotating arm 28 of the robot arm 20. The control and power cable 22 is connected directly to the slip ring of the slip ring assembly inside the rotor shaft 26 (not shown), and the power to the motor 25 is transmitted through the electric wire 23 because the motor 25 is an inner rotor type. Supplied directly.

An electric wire 27 is connected on the A side of the horizontal rotating arm 28 to a brush of a slip ring assembly (not shown) mounted inside the rotor shaft 26, and is connected to the B side of the horizontal rotating arm 28. The motor 29 is connected to a ring of a slip ring assembly (not shown) mounted inside the rotor shaft 30 of the motor 29. The electric motor 29 is attached to the end B of the horizontal rotation arm 28, and the rotor shaft 30 is attached to a horizontal rotation joint 31.

The electric wire 35 is connected at one end to a slip ring assembly located inside the rotor 30 and at the other end to a ring of the slip ring assembly incorporated inside the shaft of the rotor 32 of the motor 33. I have. Rotor 32
The brushes of the inner slip ring assembly are connected to the fingers 34 of the robot arm and its circuitry by wires (not shown). 2, the horizontal rotating arm 28,
Horizontal rotary joint 31 and vertical rotary finger 3
It is clear that all four can rotate indefinitely without twisting or bending any wires connecting power and / or control signals to each motor and control circuit. It is also apparent that the use of a direct drive motor incorporating the slip ring assembly in the rotor shaft greatly simplifies the construction of the robot arm.

A TV camera device 40 shown in FIG. 3 is another well-known TV camera mounted on a well-known pan / tilt positioning device including a fixing member 42 and a horizontal rotating member 49. The fixing member 42 is mounted on the top of the wall 41 and has an electric motor 44 mounted on the fixing member 42. In addition, the rotator 45 includes the horizontal rotating member 4.
9 attached. The electric wire 43 is connected to the ring of the slip ring assembly located in the shaft of the rotor 45 and the electric motor 44. The electric motor 47 is attached to the arm of the horizontal rotating member 49, and the rotator 50 is attached to the camera 51. The wire 46 is connected at one end to the brush of the slip ring assembly in the shaft of the rotor 45 and at the other end to the ring of the slip ring assembly 48 in the shaft of the rotor 50. .

An electric wire (not shown) connected to the brush of the slip ring assembly 48 supplies power and control signals to the camera 51, and receives video and audio signals from the camera. According to FIG. 3, the pan / tilt positioning device of the camera device 40 rotates infinitely in both the horizontal and vertical directions without twisting or bending the wires carrying power, control signals and video signals. Clearly what you can do. It is also evident that such a positioning device using a direct drive motor with a built-in slip ring in the rotor shaft provides a simplified mechanical structure.

The motor assembly 55 shown in FIG. 4 is a combination of a known stepping motor with an inner rotor and rotating contacts or a slip ring assembly. The plate 60 is part of a fixed or rotary joint of the positioning device, such as the substrate 4 of FIG. The plate 60 is attached to the first cover 61 of the stator portion of the motor assembly 55 using a plurality of screws 79.

The stator portion of the motor assembly 55 includes a stator coil assembly 62, a magnetic metal laminate 63, and a first cover 6.
1 and a second cover 64. The stator coil assembly 62 includes the first cover 61 and the electric wire 7 passing through the opening of the plate 60.
1 and connected to a power and control circuit (not shown).

To ensure smooth rotational movement, a dual ball bearing 80 is provided between the first cover 61 and the second cover 64 to support the rotor assembly. The rotor assembly includes a hollow rotor shaft 82 surrounded by a slip ring assembly and a magnetic ring 81 embedded inside the rotor shaft.

The rotor shaft 82 is attached to the plate 66 by a plurality of screws 79. The plate 66 is a part of a fixing member such as the camera holding bracket 7 shown in FIG. 1 or a part of a rotary joint of the positioning device.

A known slip ring assembly includes a ring holding assembly 73 that rotates within a slip ring body 72;
And a printed circuit board assembly 76. The ring holding assembly 73 includes a plurality of conductive rings 74, all of which are separated and insulated from each other, and all of which are electrically connected to the connector 77.

The printed circuit board assembly 76 is fixed to the slip ring body 72 and has a plurality of conductive electric brushes 75 and a connector 78. The multiple conductive electric brushes 75 are positioned at intervals and perform a brushing operation on the multiple conductive rings 74 to complement the conductive rings 74 to provide a certain electrical contact. The connector 78 is connected to the wire assembly 6.
9 to provide an electrical connection.

The slip ring body 72 is fixed to the rotor shaft 82, and a ring holding assembly 73 that rotates about the central axis of the slip ring body 72 is fixed to the plate 60.

Wire harness or assembly 67 and connector 68 provide electrical connections to a plurality of conductive rings 74, while wire assembly 69 and connector 70 provide complementary electrical connections to conductive electrical brush 75.

FIG. 4 shows that the wire assembly 67 and the wire assembly 6
9 is electrically connected through the conductive ring 74 and the conductive electric brush 75 regardless of whether the motor is in an idle state or is rotated by applying a voltage via the power and control wires 71. You can see that it is.

The motor assembly 56 shown in FIG. 5 is a combination of a known stepping motor and an outer rotor and a rotary contact or a slip ring assembly. A plate 60 similar to the plate 60 of FIG. 4 is attached to the first cover 61 </ b> A of the outer rotor portion of the electric motor assembly 56 using screws 79. The outer rotor portion of the electric motor assembly 56 includes a magnetic metal laminated plate 81A, a first cover 61A, and a second cover 64A.

In order to support the rotor and ensure smooth rotation of the rotor, a double ball bearing 80 is provided between the stator shaft 83, the first cover 61A, and the second cover 64A. . The stator assembly includes a hollow stator shaft 83 surrounded by and fixed to the magnetic metal laminate 63, a stator coil assembly 62A, and a slip ring assembly embedded inside the stator shaft. The stator coil assembly 62A includes a stator shaft 83
And a power circuit and a control circuit (not shown) via an electric wire 71A passing through the opening of the plate 66.

The stator shaft 83 is attached to the plate 66 by a plurality of screws 79. The plate 66 is a part of a fixing member such as the camera holding bracket 7 shown in FIG. 1 or a part of a rotary joint of the positioning device.

A known slip ring assembly includes a ring holding assembly 73 that rotates within a slip ring body 72;
And a printed circuit board assembly 76. The ring holding assembly 73 includes a plurality of conductive rings 74, all of which are separated and insulated from each other, and all of which are electrically connected via a wire harness 67.

The printed circuit board assembly 76 is spaced to complement the conductive rings 74 to provide constant electrical contact by brushing operations on the plurality of conductive rings 74. Multiple conductive electric brushes 75 and wire harness 69 for providing electrical connection
And

The slip ring body 72 is fixed to the rotor shaft 82, and the ring holding assembly 73 that rotates about the central axis of the slip ring body 72 is fixed to the plate 60.

The electric wire harness 67 includes a plurality of conductive rings 74.
While the electrical harness 69 provides a complementary electrical connection with the plurality of conductive electrical brushes 75.

As shown in FIG. 4, the electric wire harness 67 and the electric wire harness 69 are connected to the conductive ring 74 and the conductive electric It can be seen that they are electrically connected via the brush 75.

Instead of attaching the plate 60 of FIG. 5 to the first cover 61A, the plate 60A is attached to the second cover 64A, whereby the motor 25 or the motor 2 of FIG.
9 or the motor assembly 56 may be mounted on the positioning device in a manner similar to that shown for mounting the motor 42 of FIG. 3 on each member of the positioning device. Similarly, instead of attaching the plate 60 to the first cover 61 of the motor assembly 55 as shown in FIG. 4, the second cover 64 of FIG.
The motor assembly 55 shown in FIG. 4 may be mounted on a member of the positioning device.

4 and 5, regardless of whether the motor is an inner rotor type or an outer rotor type, the slip ring assembly is incorporated into its main shaft, and the electric wires connected to both sides of the rotary joint are twisted or bent. It can be seen that a direct path can be provided for power signals, control signals and other signals without bouncing, and that such a motor can rotate indefinitely about its axis of rotation.

The motor assemblies 55, 5 shown in FIGS.
Reference numeral 6 denotes a large-diameter type electric motor that can be formed with a shaft diameter large enough to incorporate the slip ring assembly inside the shaft. It may be necessary to have a slender motor in which the slip ring assembly cannot be mounted on a small diameter shaft. As such an electric motor, a hollow shaft can be provided, and a slip ring assembly can be mounted on an end of the shaft. The motor assembly 57 shown in FIG.
This is a combination of a known stepping motor with an inner rotor and a rotating contact or a slip ring assembly. The plate 90 is part of a fixed or rotary joint of the positioning device. The plate 90 is fixed to the first cover 89 of the stator portion of the motor assembly 57 by using screws 79.
Attached to.

The stator portion of the motor assembly 57 includes a coil assembly 62, a magnetic metal laminate 88, a first cover 89, and a second cover 87. Stator coil assembly 6
2 is connected to a power circuit and a control circuit (not shown) via an electric wire 71 passing through an opening of the first cover 89 and the plate 90.

To ensure a smooth rotational movement, a double ball bearing 80 is provided between the first cover 89 and the second cover 87 to support the rotor assembly. The rotor assembly has a hollow rotor shaft 86 surrounded by a magnetic ring 95 and a ring holding assembly 97 mounted on one end of the rotor shaft.

The other end of the rotor shaft 86 is attached to the plate 85 by screws 96. The plate 85 is a part of a fixed member or a part (not shown) of a rotary joint of the positioning device.

The slip ring assembly includes a ring holding assembly 97 mounted on a rotor shaft 86 and a plate 90.
And a printed circuit board assembly 93 attached to the main body. The ring holding assembly 97 includes a plurality of conductive rings 74, all of which are separated and insulated from each other, and all of which are electrically connected to the wire harness 67. All the wires of the wire harness 67 pass through the openings in the hollow rotor shaft 86 and the plate 85 and are drawn from the other end of the rotor shaft, opposite the end of the ring holding assembly 97.

The printed circuit board assembly 93 includes the holder 9
The plate 90 and / or the first cover 9 by means of 2 and screws 91
A plurality of conductive electrical brushes 75 fixed at 0 and spaced apart to perform a brushing operation on the conductive rings 74 to complement the conductive rings 74 and provide a constant electrical contact; And a wire harness 69 for providing the same.

The ring holding assembly 97 is fixed to the rotor shaft 86 so as to be rotatable about a central axis thereof.

The electric wire harness 67 includes a plurality of conductive rings 74.
While providing electrical connection with the wire harness 69,
It provides a complementary electrical connection with the plurality of conductive electrical brushes 75.

As shown in FIG. 6, the electric wires of the electric wire harness 67 and the electric wire harness 69 indicate whether the electric motor is in the idle state or not.
It can be seen that the conductive ring 74 is electrically connected through the conductive electric brush 75 irrespective of whether or not the voltage is applied through the control wire 71 to rotate.

FIG. 6 shows that even if the motor of the positioning device is thin, the slip ring assembly is mounted on the shaft of the motor, and the wires connected to both sides of the rotary joint are twisted or bent. Without it, it can be seen that a direct path can be provided for power signals, control signals and other signals.

FIGS. 7A and 7B show details of the slip ring assembly of FIG. The slip ring assembly 58 includes a slip ring body 72, a printed circuit board assembly 76,
And a ring holding assembly 73. Ring retaining assembly 73 includes a plurality of conductive rings 74. Conductive ring 74
Are all separated and insulated from each other, and all are electrically connected via metal wires to form a connector 77 at one end of the slip ring assembly 58.

The ring holding assembly is fitted to the slip ring main body 72 and is configured to be freely rotatable about a rotation axis centered in the longitudinal direction of the slip ring main body.

The printed circuit board assembly 76 has a plurality of conductive brushes 75 mounted and connected to the conductive pattern of the printed circuit board, and a connector 78 for providing electrical connection at the other end of the slip ring 58. are doing. Brushes 75 are brushed against conductive ring 74 and are spaced apart to complement conductive ring 74 and provide a constant electrical contact. Screw 9
Instead of using the connector 78, the printed circuit board assembly 76 fixed to the slip ring body 72 by 8 can be directly connected to the electric wire harness. Also, the conductive ring can be connected via a wire harness without forming the connector 77.

FIG. 7A shows the conductive brush 75 in contact with the conductive ring 74. The use of brushes on both sides of the conductive ring enhances the connectivity and reliability of the brushing operation.

Instead of the slip ring assembly shown in FIG. 7, other well-known rotating contacts and slip ring assemblies can be used. Regardless of the type of slip ring or other rotary electrical coupling means, the apparatus of the present invention uses a motor incorporating the rotary electrical coupling means on the central shaft of the motor to control the pan / tilt head of a television camera, a robot arm, Provides a very simple means as a direct drive type positioning device such as a rotary joint,
It can clearly be seen that the wires associated on both sides of the rotary joint do not twist or flex.

Of course, those skilled in the art will recognize that specific embodiments of the invention presented herein are illustrative only and are not intended to be in any way limiting, and therefore, the present invention as outlined in the appended claims. It will be understood that many changes and modifications are possible and that any equivalent can be used without departing from the spirit and scope of the invention.

[Brief description of the drawings]

FIG. 1 is a perspective view of a television camera inside a dome-shaped cover incorporating a direct drive motor of a preferred embodiment.

FIG. 2 is a perspective view of a robot arm incorporating a direct drive motor according to a preferred embodiment of the invention.

FIG. 3 is a schematic side view of a television camera mounted on a remote positioning device incorporating a direct drive motor according to a preferred embodiment of the present invention.

FIG. 4 is an axial cross-sectional view of a stepping motor incorporating the slip ring assembly of the preferred embodiment of the invention.

FIG. 5 is an axial cross-sectional view of another stepper motor incorporating the preferred embodiment slip ring assembly.

FIG. 6 is an axial cross-sectional view of yet another stepping motor incorporating a slip ring assembly of the preferred embodiment of the invention.

7A is a top view of an example of the slip ring used in FIGS. 4 to 6, and FIG. 7B is an axial sectional view of the example of the slip ring used in FIGS. 4 to 6. FIG.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02K 13/00 H02K 13/00 K H04N 5/222 H04N 5/222 B (72) Inventor David Elbabaum Tokyo 7-25-5 Nishi-Gotanda, Shinagawa-ku Nippon Seimei Gotanda Trade Center Building 3F Elbex Co., Ltd. F term (reference) 5C022 AA05 AB62 AC27 AC74 AC75 5H303 AA10 AA30 BB02 BB07 BB15 CC10 DD03 5H607 AA12 BB10 BB14 BB17 CC01 BB25 BB26 CC01 DD04 DD10 DD14 DD15 FF12 GG01 GG08 HH08 5H613 AA02 BB05 BB12 BB17

Claims (50)

[Claims] 1. A stator body assembly for mounting an electric motor on one of a fixed member of a rotatable joint and a rotatable body, and at least a part of a hollow portion, wherein the fixed member and the rotatable joint are provided. An inner rotor assembly that includes a central shaft that can be mounted on the other of the rotatable bodies; a rotating electrical coupling means mounted within the hollow portion; and a second rotating rotor assembly connected to the rotating electrical coupling means. First and second wire means, and electrical connector means coupled to the rotating electrical coupling means and positioned at opposite ends of the central shaft, wherein the rotatable body is driven directly by the motor to rotate. Without twisting or bending the wires of the wire means in between, the electrical connector means,
At least one of the electric power and the electric signal carried by the first wire means associated with one of the fixed member and the rotatable body is rotatable with the fixed member via the rotary electric coupling means. A motor device configured to communicate to the second wire means associated with the other of the bodies. 2. An electric motor according to claim 1, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 3. The stator body assembly can mount the electric motor on a rotatable body of the rotatable joint, and the inner rotor assembly can be mounted on a fixed member of the rotatable joint. The motor device according to claim 1, wherein: 4. The stator body assembly can mount the motor on a rotatable body of the rotatable joint, and the inner rotor assembly can be mounted on a fixed member of the rotatable joint. The electric motor device according to claim 2, wherein: 5. A stator body assembly for mounting an electric motor on one of the first and second rotatable bodies of the rotatable joint, and a stator body assembly being at least partially hollow and of the rotatable joint. An inner rotor assembly including a central shaft that can be mounted on the other of the second and second rotatable bodies; an electrical coupling means mounted inside the hollow central shaft; and the rotary electrical coupling First and second wire means connected to the means, and electrical connector means coupled to the rotating electrical coupling means and positioned at opposite ends of the central shaft, the rotatable body being directly driven by the electric motor The electrical connector means is associated with one of the first and second rotatable bodies without twisting or bending the wires of the wire means while rotating. At least one of the power and electrical signals carried by the first wire means is coupled to the second one of the first and second rotatable bodies via the rotary electrical coupling means. An electric motor device configured to be transmitted to the electric wire means. 6. An electric motor according to claim 5, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 7. The electric motor device according to claim 1, wherein the electric motor is a stepping motor. 8. An outer rotor body assembly for mounting an electric motor on one of a fixed member of a rotatable joint and a rotatable body, and fixing of the rotatable joint having at least a portion of a hollow portion. An inner stator assembly that includes a central shaft that can be mounted on the other of the member and the rotatable body; a rotating electrical coupling means mounted inside a hollow portion of the central shaft; and the rotating electrical coupling means. Connected first and second wire means and electrical connector means attached to the rotating electrical coupling means and positioned at opposite ends of the central shaft, wherein the rotatable body is directly driven by the motor. The electrical connector means is associated with one of the fixed member and the rotatable body without twisting or bending the wires of the wire means during rotation. An electrical signal carried by the attached first wire means is transmitted via the rotary electrical coupling means to the second wire means associated with the other of the fixed member and the rotatable body. An electric motor device configured. 9. An electric motor according to claim 8, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 10. The outer rotor body assembly can mount the electric motor on a rotatable body of the rotatable joint, and the inner stator assembly can be mounted on a fixing member of the rotatable joint. 9. The electric motor device according to claim 8, wherein: 11. The outer rotor body assembly may mount the electric motor on a rotatable body of the rotatable joint, and the inner stator assembly may mount on the fixing member of the rotatable joint. The electric motor device according to claim 9, wherein: 12. An outer rotor body assembly for mounting an electric motor on one of the first and second rotatable bodies of the rotatable joint, the outer rotor body assembly having at least a portion of a hollow portion. An inner stator assembly having a central shaft that can be mounted on the other of the first and second rotatable bodies of the joint; and a rotating electrical coupling means mounted within a hollow portion of the central shaft; First and second wire means connected to the rotary electrical coupling means, and electrical connector means attached to the rotary electrical coupling means and positioned at both ends of the central shaft, wherein the rotatable body is The electrical connector means is configured to rotate one of the first and second rotatable bodies without twisting or bending the wires of the wire means while being driven and rotated directly by an electric motor. An electrical signal carried by the first wire means associated with the second one of the first and second rotatable bodies via the rotary electrical coupling means. An electric motor device configured to transmit to electric wire means. 13. An electric motor according to claim 12, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 14. The motor device according to claim 8, wherein the motor is a stepping motor. 15. A stator body assembly for mounting an electric motor on one of a fixed member of a rotatable joint and a rotatable body, and a fixing member of the rotatable joint having at least a part of a hollow portion. And an inner rotor assembly including a central shaft that can be mounted on the other of the rotatable bodies; a rotating ring assembly coupled to one end of the central shaft; and an electric brush coupled to the stator body assembly. A rotating electrical coupling means including an assembly; first electrical wire means connected to the rotating ring assembly, passing through a hollow portion of the central shaft and exiting from an opposite end of the central shaft; and the electrical brush assembly. A second electric wire means connected to said first and second electric wire means while said rotatable body is being driven directly by said electric motor and rotating. At least one of the power and the electrical signal without twisting or bending the first wire means associated with the rotating electrical ring assembly and the second wire means associated with the electric brush assembly. An electric motor device configured to transmit the electric power via the electric wire means and via the rotary electric coupling means. 16. The stator body assembly may mount the electric motor on a rotatable body of the rotatable joint, and the inner rotor may be mounted on a fixed member of the rotatable joint. The electric motor device according to claim 15, characterized in that: 17. A stator assembly for mounting an electric motor on one of a first and second rotatable body of a rotatable joint, and a stator assembly having at least a portion of a hollow portion. An inner rotor assembly including a central shaft that can be mounted on the other of the first and second rotatable bodies; a rotating ring assembly coupled to one end of the central shaft; and the stator body assembly. Rotating electrical coupling means including a coupled electric brush assembly; first electrical wire means connected to the rotating ring assembly and passing through a hollow portion of the central shaft and exiting from an opposite end of the central shaft; A second wire means connected to an electric brush assembly, said first and second wire means while said rotatable body is rotating directly driven by said motor. At least one of the power and the electrical signal without twisting or bending the first wire means associated with the rotating electrical ring assembly and the second wire means associated with the electric brush assembly. An electric motor device configured to transmit the electric power via the electric wire means and via the rotary electric coupling means. 18. The electric motor device according to claim 15, wherein the electric motor is a stepping motor. 19. An outer rotor body assembly for mounting an electric motor on one of a fixed member and a rotatable body of a rotatable joint, and the other of the fixed member and the rotatable body of the rotatable joint. An inner stator assembly including a hollow central shaft that can be mounted on a rotating shaft assembly coupled to one end of the central shaft and an electric brush assembly coupled to the outer rotor body assembly. Electrical coupling means, first electrical wire means connected to the rotating ring assembly, passing through the hollow central shaft and exiting from the opposite end of the central shaft, and second electrical means connected to the electric brush assembly. An electric wire device comprising an electric wire means, wherein the electric wires of the first and second electric wire means are twisted while the rotatable body is directly driven and rotated by the electric motor. Without sagging or bending, one of the power and the electrical signal is transmitted through a first wire means associated with the rotating electrical ring assembly and a second wire means associated with the electric brush assembly. And an electric motor device configured to transmit the electric power via the rotary electric coupling means. 20. The outer rotor body assembly can mount the electric motor on a rotatable body of the rotatable joint, and the inner stator assembly can be mounted on a fixing member of the rotatable joint. 20. The electric motor device according to claim 19, wherein: 21. An outer rotor body assembly for mounting an electric motor on one of the first and second rotatable bodies of the rotatable joint, and first and second rotations of the rotatable joint. An inner stator assembly including a hollow central shaft that can be mounted on the other of the possible bodies; a rotating ring assembly coupled to one end of the central shaft; and an electric brush coupled to the stator body assembly. Rotating electrical coupling means including an assembly; first electrical wire means connected to the rotating ring assembly, passing through the hollow central shaft and exiting from an opposite end of the central shaft, and connecting to the electric brush assembly. A second electric wire means, wherein the electric wires of the first and second electric wire means are twisted while the rotatable main body is directly driven and rotated by the electric motor. Without sagging, one of the power and the electrical signal is transmitted through a first wire means associated with the rotating electrical ring assembly and a second wire means associated with the electric brush assembly; An electric motor device configured to transmit the electric power via the rotary electric coupling means. 22. The electric motor device according to claim 19, wherein the electric motor is a stepping motor. 23. A positioning device for panning and tilting a surveillance camera, the positioning device comprising: a substrate for mounting the positioning device to a frame means; and a central shaft having at least a part of which is hollow. And an electric motor including a stator assembly forming an outer body of the motor, the outer body of the motor being mounted on the substrate such that the central shaft extends through a panning axis of the positioning device. Fixed, the positioning device further includes a tilting motor and a camera holding bracket that carries the camera with at least one of the tilting motor and the tilting rotary joint, the bracket comprising: a tilting motor; The tilting movement or rotation about the axis is the panning axis. And the rotor assembly further includes a rotating electric coupling means mounted inside a hollow portion of the central shaft, and a rotor connected to the rotating electric coupling means. 1st and 2nd
And electric connector means positioned at both ends of the central shaft and coupled to the rotary electric coupling means, wherein the camera holding bracket is directly driven by the electric motor to rotate about the panning axis. The electrical connector means is connected to the substrate by means of power and electricity carried by the first wire means associated with the substrate without twisting or bending the wires of the first and second wire means. A positioning device configured to transmit one of the signals via the rotary electrical coupling means to the second wire means associated with the camera holding bracket. 24. The positioning device according to claim 23, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 25. The positioning device according to claim 23, wherein one of electric power and an electric signal for the tilting movement or rotation is supplied to the electric motor by the second electric wire means. 26. The positioning device according to claim 24, wherein one of electric power and an electric signal for performing the tilting motion or rotation is supplied to the electric motor by the second electric wire means. . 27. The tilting motor includes an inner rotor assembly having a central shaft that is at least partially hollow and a stator assembly forming an outer body of the tilting motor. The outer body is fixed to the camera holding bracket such that the central shaft extends through the tilting axis of the positioning device, and the rotor assembly is further mounted inside a hollow portion of the central shaft. Rotating electrical coupling means, third and fourth wire means connected to the rotating electrical coupling means, and electrical connector means positioned at both ends of the hollow portion of the central shaft and coupled to the rotating electrical coupling means While the motor is rotated about the tilting axis to directly drive the tilting motion of the camera. The electrical connector means is connected to the third wire means associated with the second wire means without twisting or bending the wires of the second, third, and fourth wire means.
26. The apparatus according to claim 25, wherein at least one of the electric power and the electric signal carried by said electric wire means is transmitted to said fourth electric wire means associated with said camera holding bracket via said rotary electric coupling means. The positioning device according to the above. 28. The tilting motor includes an inner rotor assembly having a central shaft that is at least partially hollow, and a stator assembly forming an outer body of the tilting motor. The central shaft is fixed to the camera holding bracket so as to extend through a tilting axis of the positioning device, and the rotor assembly further includes a rotary electric machine mounted inside a hollow portion of the central shaft. Coupling means, third and fourth wire means connected to the rotary electrical coupling means, and electrical connector means positioned at both ends of the hollow portion of the central shaft and coupled to the rotary electrical coupling means, While the motor is rotating about the tilting axis to directly drive the tilting movement of the camera, the second, third and fourth power supplies are driven. The electrical connector means is configured to provide at least one of power and electrical signals carried by the third wire means associated with the second wire means without twisting or bending the wires of the wire means. 28. The positioning device according to claim 26, wherein the control unit is configured to transmit, via the rotary electric coupling unit, the fourth electric wire unit associated with the camera holding bracket. 29. The positioning device further includes an at least partially transparent dome-shaped housing, the positioning device comprising the panning axis, the tilting axis, and the axis of a camera lens mounted on the camera holding bracket.
24. The positioning device according to claim 23, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 30. The positioning device further comprises a dome-shaped housing that is at least partially transparent, the pan comprising an axis of the panning, an axis of the tilting, and an axis of a camera lens mounted on the camera holding bracket.
25. The positioning device according to claim 24, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 31. The positioning device further comprises a dome-shaped housing that is at least partially transparent, the positioning device comprising: the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
26. The positioning device according to claim 25, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 32. The positioning device further includes a dome-shaped housing that is at least partially transparent, the pan comprising the panning axis, the tilting axis, and the axis of a camera lens mounted on the camera holding bracket.
27. The positioning device of claim 26, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 33. The positioning device further includes a dome-shaped housing that is at least partially transparent, the positioning device comprising: the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
28. The positioning device according to claim 27, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 34. The positioning device further comprises a dome-shaped housing that is at least partially transparent, the pan comprising the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
29. The positioning device according to claim 28, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 35. A positioning device for panning and tilting a surveillance camera, the positioning device comprising one of a substrate and a member for attaching the positioning device to a frame means, and a hollow central shaft. And an electric motor including an outer rotor assembly forming an outer body of the electric motor,
The external body of the motor is fixed to one of the substrate and the member such that the central shaft extends through a panning axis of the positioning device, and the positioning device further includes a tilting motor and a tilting motor. And a camera holding bracket carrying the camera together with a motor and a tilting rotary joint, the bracket being fixed to the central shaft such that tilting movement or rotation about the tilting axis crosses the panning axis. Wherein the stator assembly further includes a rotating electrical coupling means mounted within the central shaft, and first and second rotating electrical coupling means connected to the rotating electrical coupling means.
And the electric connector means positioned at both ends of the hollow central shaft and coupled to the rotating electric coupling means, wherein the camera holding bracket is directly driven by the electric motor to rotate about the panning axis. The electrical connector means does not twist or deflect the wires of the first and second wire means while carrying the power carried by the first wire means associated with the substrate. A positioning device configured to transmit at least one of the electrical signal and the electrical signal to the second electric wire means associated with the camera holding bracket via the rotary electric coupling means. 36. The positioning system according to claim 35, wherein at least one of said first and second electric wire means is directly connected to said rotary electric coupling means without using said electric connector means. apparatus. 37. The positioning device according to claim 35, wherein at least one of electric power and an electric signal for performing the tilting movement or rotation is supplied to the electric motor by the second electric wire means. apparatus. 38. The positioning device according to claim 36, wherein at least one of electric power and an electric signal for performing the tilting movement or rotation is supplied to the electric motor by the second electric wire means. apparatus. 39. The tilting motor includes an inner rotor assembly having a central shaft that is at least partially hollow and a stator assembly forming an outer body of the tilting motor. The outer body is secured to the camera holding bracket such that the central shaft extends through the tilting axis of the positioning device, and the inner rotor assembly is further mounted within a hollow portion of the central shaft. Rotating electric coupling means, and a third electric rotating means connected to the rotational electric coupling means.
And fourth electric wire means, and electrical connector means positioned at both ends of the central shaft and coupled to the rotary electric coupling means, wherein the electric motor rotates about the tilting axis to tilt the camera. The electrical connector means is associated with the second wire means without twisting or bending the wires of the second, third, and fourth wire means while directly driving the movement. Configured to transmit at least one of electric power and an electric signal carried by the third electric wire means to the fourth electric wire means associated with the camera holding bracket via the rotary electric coupling means; 38. The positioning device according to claim 37. 40. The tilting motor includes an inner rotor assembly having a central shaft that is at least partially hollow and a stator assembly forming an outer body of the tilting motor. The outer body is secured to the camera holding bracket such that the central shaft extends through the tilting axis of the positioning device, and the rotor assembly is further mounted inside the hollow central shaft. Rotating electric coupling means, third and fourth electric wire means connected to the rotating electric coupling means, and electric connector means positioned at both ends of the hollow central shaft and coupled to the rotating electric coupling means. Wherein the motor is rotated about the tilting axis to directly drive the tilting motion of the camera. , Without twisting or bending the wires of the third and fourth wire means, wherein the electrical connector means is provided with a power carried by the third wire means associated with the second wire means. 38. The positioning device of claim 37, wherein at least one of the electrical signals is configured to be transmitted through the rotary electrical coupling means to the fourth wire means associated with the camera holding bracket. 41. The positioning device further comprises a dome-shaped housing that is at least partially transparent, the pan comprising the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
36. The positioning device of claim 35, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 42. The positioning device further comprises a dome-shaped housing that is at least partially transparent, the pan comprising the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
37. The positioning device of claim 36, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 43. The positioning device further comprises an at least partially transparent dome-shaped housing, the positioning device comprising: the panning axis, the tilting axis, and the axis of a camera lens mounted on the camera holding bracket.
38. The positioning device of claim 37, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 44. The positioning device further comprises an at least partially transparent dome-shaped housing, comprising: the panning axis, the tilting axis, and the axis of a camera lens mounted on the camera holding bracket.
39. The positioning device of claim 38, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 45. The positioning device further comprises an at least partially transparent dome-shaped housing, wherein the panning axis, the tilting axis, and the axis of a camera lens attached to the camera holding bracket.
40. The positioning device according to claim 39, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 46. The positioning device further comprises an at least partially transparent dome-shaped housing, the positioning device comprising the panning axis, the tilting axis, and the axis of a camera lens mounted on the camera holding bracket.
41. The positioning device according to claim 40, wherein the axis of the book crosses substantially the geometric center of the dome-shaped housing. 47. The tilting motor includes an inner stator assembly having a hollow central shaft and an outer rotor assembly forming an outer body of the tilting motor, wherein the tilting motor has a hollow central shaft. 38. The positioning device according to claim 37, wherein a rotating electric coupling means is mounted. 48. The tilting motor includes an inner stator assembly having a hollow central shaft and an outer rotor assembly forming an outer body of the tilting motor, wherein the tilting motor has a hollow central shaft. 39. The positioning device according to claim 38, wherein a rotating electric coupling means is mounted. 49. The positioning device according to claim 23, wherein said frame means is selected from a wall, a ceiling, and a pillar. 50. The positioning device according to claim 35, wherein said frame means is selected from a wall, a ceiling, and a pillar.