JP2001024915A - Camera apparatus for monitor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the maintenance of a main body of camera or various kinds of setting/control. SOLUTION: A fixing base 1 fixed on the ceiling or wall is separated from a main body 2 of camera, the fixing base 1 is provided with a cable fixing means (fixing rubber), power source contacts 11, 12 and 13 and a signal contact 14 and the main body 2 of camera is provided with power source contacts 21, 22 and 23 and a signal contact 24. By rotating the main body 2 of camera, the main body 2 of camera is fixed on the fixing base 1. Besides, a camera ID switch and function switches are arranged on the upper surface of the main body 2 of camera.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveillance camera device used by being attached to a ceiling or a wall, and more particularly to a surveillance camera device which facilitates maintenance of a camera body and various settings and adjustments.

[0002]

2. Description of the Related Art FIG. 7 shows an outline of a conventional surveillance camera device and its mounting structure on a ceiling. This monitoring camera device includes a camera cover 102, a camera unit 103, and a camera power supply unit 104. The camera unit 103 has an optical system such as a lens and a rotation mechanism. The camera power supply unit 104 includes a circuit for supplying a power supply voltage to the camera unit 103, a circuit for driving and controlling a rotation mechanism, and the like. And the camera power supply
A power supply, a camera signal output, and a control input cable are integrally connected to the center of the upper surface of the 104, and mounting members 105 are provided at both ends of the upper surface.

As described above, the camera cover 102 and the camera unit 1
03, and when installing the combined surveillance camera device integrating the camera power
A camera mounting bracket 101 is fixed to a mounting wall 08 or a wall with a mounting screw 106 and mounted with a mounting member 105.

[0004]

Although the mounting structure described above is extremely simple, it has several problems. For example, since the cable 107 is attached to the camera power supply unit 104, wiring must be performed at the same time when the camera is attached.
The camera body (camera section 103 and camera power supply section 10)
4) Cannot be easily removed when maintenance is required. further,
Since the camera power supply unit 104 and the camera unit 103 cannot be separated,
It is difficult to configure such that the ID number of the camera or the like is set by a switch.

An object of the present invention is to solve the above-mentioned problems and to provide a surveillance camera device in which maintenance of a camera body is easy. Another object of the present invention is to provide a surveillance camera device that can easily set and change a camera ID number and the like using a switch.

[0006]

In order to solve the above-mentioned problems, in a surveillance camera device according to the present invention, a mounting structure fixed to a ceiling or a wall and a camera body have a separate structure, and a cable fixing means. And a power supply contact and a signal contact are provided on the mounting base, a power supply contact and a signal contact are provided on the camera body, and the camera body is rotated so that a power supply contact and a signal on the mounting base side and the camera body side are provided. The camera body is configured to be in contact with a contact point and to fix the camera body to the mounting base. With this configuration, the camera body can be easily attached to and detached from the mounting base, so that maintenance of the camera body becomes easy.

Further, various setting switches are provided on the upper surface of the camera body. With this configuration, setting and changing of the camera ID number and the like by a switch can be easily performed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides a mounting base having a cable fixing means for fixing a power cable and a signal cable, a power supply contact on a mounting base, and a signal contact on a mounting base. A camera body having a camera body side power contact and a camera body side signal contact, and by rotating the camera body, the mounting base side power contact and the camera body side power contact are brought into contact with each other; and A monitoring camera device in which the mounting base side signal contact and the camera main body side signal contact are brought into contact with each other to fix the camera main body to the mounting base. By rotating the camera main body, the camera main body is mechanically connected to the mounting base. And is electrically connected.

According to a second aspect of the present invention, in the surveillance camera device according to the first aspect, the mounting base-side signal contact and the camera body-side signal contact are located at positions distant from the center of the rotation. The surveillance camera device is provided with a function of extending the stroke of the signal contact to perform stable connection.

According to a third aspect of the present invention, in the surveillance camera device according to the first aspect, the mounting base side signal contact and the camera body side signal contact each have an integrally formed hole. , The mounting base and the camera body each include an integrally configured protrusion,
A surveillance camera device for defining a mounting position by inserting the projection into the hole, and has an effect that the mounting position of a signal contact is accurately defined by the accuracy of integrally forming the projection and the hole.

According to a fourth aspect of the present invention, in the surveillance camera device according to the first aspect, the camera body is fixed to the mounting base with the mounting base side power contact and the camera body side power contact. A surveillance camera device that is mechanically attracted when it is
The power supply contact between the mounting base and the camera body is electrically connected and mechanically attracted.

According to a fifth aspect of the present invention, in the surveillance camera device according to the first aspect, the mounting base-side power contact and the camera body-side power contact each include a live power contact and a ground contact. The monitoring camera device has a structure in which the ground contacts come in contact with each other, and has an effect of preventing the live power contact from coming in contact with the first contact.

According to a sixth aspect of the present invention, in the surveillance camera device according to the first aspect, the mounting base-side power contact and the camera body-side power contact each include a live power contact and a ground contact. Thus, the monitoring camera device is configured such that the live power contact and the ground contact can be visually distinguished, and has an effect of enabling visual recognition of the live power contact and the ground contact.

According to a seventh aspect of the present invention, in the surveillance camera device according to the first aspect, the mounting base-side power contact or the camera body-side power contact has a structure in which a mating power supply contact is sandwiched. The surveillance camera device has a function of providing a highly reliable and reliable electrical connection by sandwiching a power supply contact on the other side.

According to an eighth aspect of the present invention, in the surveillance camera device according to the first aspect, one of the mounting base side power supply contact and the camera body side power supply contact has a concave portion and the other has a convex portion. It is a monitoring camera device having the projection and the recess engaged with the rotation of the camera body,
The click feeling has the effect of enabling connection confirmation of the power contact.

According to a ninth aspect of the present invention, in the surveillance camera device according to the first aspect, the cable fixing means sandwiches the power cable and the signal cable from above and below with a rubber-like elastic member. A monitoring camera device having a structure in which an elastic member is pressed and fixed by a cover, and has an operation of securely fixing a power cable and the signal cable by the elasticity of the elastic member.

According to a tenth aspect of the present invention, in the surveillance camera device according to the first aspect, the camera body is a surveillance camera device having various setting switches disposed on an upper surface thereof. Has an effect of enabling various settings of the monitoring camera device in a state where it is not fixed to the mounting base.

According to an eleventh aspect of the present invention, in the surveillance camera device according to the first aspect, the ground of the signal cable is connected to the ground of the power cable in the mounting base. It has the effect of improving the safety and performance of the camera body.

According to a twelfth aspect of the present invention, in the surveillance camera device according to the first aspect, the cable fixing means is a surveillance camera device having a waterproof / moisture proof structure, and is provided via the cable fixing means. It has the effect of preventing water and moisture from entering.

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

FIG. 1 shows an outline of a surveillance camera device to which the present invention is applied and a structure for mounting the camera device on a ceiling.

This surveillance camera device has a mounting base 1
, A camera body 2, and a camera cover 3. The mounting base 1 is formed in a substantially disk shape, and has power supply contacts 11 to 13 and a signal contact 14 on its bottom surface. A power supply, camera signal output, and control input cable (power supply cable / signal cable) 4 is connected to the mounting base 1 in an integrated structure. The camera body 2 is formed in a substantially cylindrical shape, and includes power supply contacts 21 to 23 and a signal contact 24 inside.

When mounting the monitoring camera device configured as described above on a ceiling or the like, the mounting base 1 is first fixed to the ceiling with mounting screws 5 as shown in FIG. Next, as shown in FIG. 1A, the upper surface of the camera body 2 faces the bottom surface of the mounting base 1, and the camera body 2 is rotated clockwise to be fixed. When it is desired to remove the camera body 2, the camera body 2 can be easily removed by rotating the camera body 2 counterclockwise.

As described above, in the present embodiment, the mounting base 1 and the camera body 2 of the monitoring camera device have a separate structure, and the power supply contacts 11 to 13 and the signal contact 14 are provided on the mounting base 1 and / Connect the signal cable and connect the power contacts 21 to 23 and the signal contacts to the camera body 2.
Since the camera body 2 is provided and the camera body 2 can be detached by rotating the camera body 2, the mounting work becomes easy and the camera body 2 can be easily removed. In the above description, the signal contact 14 provided on the mounting base 1 and the signal contact 24 provided on the camera body 2 are mechanically coupled. However, the signal connection is performed by wireless transmission using infrared rays or the like. It is also possible to carry out.

FIG. 2 shows the details of the upper surface of the camera body 2 in FIG. Power contacts 21 and 22 are provided on the upper surface of the camera body 2.
, Power contact (earth) 23, signal contact 24, camera ID
A switch 26 and a function switch 27 are provided. The signal contact 24 is formed of a thin elastic metal piece or the like, and is provided on the contact base 25. The camera ID switch 26 is a switch for setting the ID number of the monitoring camera device. The camera ID is used when a plurality of monitoring camera devices are installed and the camera is controlled from the center of the monitoring system, and is usually set at the installation location. The function switch 27 is a switch for setting sensitivity and the like in the monitoring camera device.

As described above, in the embodiment of the present invention, since the camera ID switch 26 is disposed on the upper surface of the camera main body 2, the camera ID switch 26 can be operated in a state where the camera main body 2 is not fixed to the mounting base 1. It is very easy to set up because it is visible. By arranging the function switch 27 of the camera in the same manner, the function of the camera can be easily set.

FIG. 3 shows details of the bottom surface of the mounting base 1 in FIG. Power contacts 11, 12 are provided on the bottom of the mounting base 1.
, A power contact (earth) 13, a signal contact 14, a signal line connector 17, a signal line ground 18, a power ground 19, and a cable cover 31. The signal contact 14 is made of a thin elastic metal piece or the like, and is provided on the contact base 15. The contact base 15 and the signal line connector 17 are provided on a printed circuit board 16. The end of the signal cable of the power cable / signal cable 4 is the cable cover 31
And is connected to a signal line connector 17 and a signal line ground 18. Similarly, power cable / signal cable 4
The power cable is connected to a power ground 19. The signal line ground 18 is provided as a measure against static electricity and a measure against unnecessary radiation of the entire monitoring camera device. Also, signal line ground 18
Is connected to the power supply ground 19 to improve the performance.

Power contacts 11, 12 and power contact (earth)
Reference numeral 13 denotes power contacts 21 and 22 and a power contact (ground) when the top surface of the camera body 2 is opposed to the bottom surface of the mounting base 1.
It is arranged at the position where it contacts with 23. Similarly, signal contacts
Reference numeral 14 is provided at a position where it contacts the signal contact 24. Although the power supply basically has two lines, in the present embodiment, three contacts, which are larger than the number of power supply lines, are used because the structure also serves as a joint member between the mounting base 1 and the camera body 2. Of course, it may be constituted by the same two contacts as the power supply line.

As described above, the mounting base 1 has a structure for accommodating the power supply line, connecting the power supply and the signal line to the camera main body 2, and holding the camera main body 2. For connection of particularly important signal lines, the contact base 15 which is a connector for signal connection is removed from the center of the rotation axis, and the longitudinal direction of the signal contact 14 provided on the contact base 15 is substantially equal to the rotation of the camera body 2. Arrange them so that they are tangential.

Similarly, on the upper surface of the camera body 2,
Remove the contact base 25 from the center of the rotation axis, and
The signal contacts 24 provided on the camera 25 are arranged such that the longitudinal direction is substantially tangential to the rotation of the camera body 2.

If the signal contacts 14 and 24 are arranged on the outer periphery of the camera body 2 and the mounting base 1 from the center of the rotation axis, it is advantageous in that the stroke of the signal contacts 14 and 24 can be made longer than when the signal contacts are arranged at the center. is there. In addition, since the contact distance of the contact can be configured to be long by rotating in a circular motion, the contact area of the contact is increased, and stable connection is possible.

Now, in order to stably connect the contacts by locating them on the outer periphery of the camera body 2 and the mounting base 1, it is necessary to ensure that there is no variation in the mounting positions in the manufacturing stage of the camera body 2 and the mounting base 1. It is important to. Therefore, in the present embodiment, the mounting positions of the contact bases 15 and 25 are accurately determined by the structure shown in FIG.

In FIG. 4, the mounting base 1 is made of resin. When the mounting base 1 is molded with a mold, a mounting boss 32 for positioning the contact base 15 is simultaneously formed so as to protrude downward from the mounting base 1. On the other hand, a mounting boss hole 151 into which the mounting boss 32 is inserted is formed on the upper surface of the contact base 15. With this configuration, when the contact base 15 is mounted on the mounting base 1, the positioning is completed only by inserting the mounting boss 32 into the mounting boss hole 151. Printed circuit board on which circuit components are mounted
Regarding 33, after the mounting boss 32 is inserted into the mounting boss hole 151 and the position is determined, the mounting base 1 is fixed to the printed board with the mounting screw 35 so that no mechanical stress is applied to the contact base 15. To

Similarly, in the camera body 2, a mounting boss 281 is provided so as to protrude downward from the camera body resin 28, and a mounting boss hole 251 is provided on the upper surface side of the contact base 25. Thus, when attaching the contact base 25 to the camera body resin 28, the positioning is completed only by inserting the attachment boss 281 into the attachment boss hole 251.

As described above, according to the structure shown in FIG.
Since the deviation of the signal contact position can be defined by the accuracy of the mold at the time of molding, stable connection of the signal contacts 14 and 24 can be realized.

Next, a description will be given of a connection structure of a power supply contact, which is as important as a signal contact, with reference to FIG. Rotating and attaching the camera body 2 to the attachment base 1 has been described above with reference to FIG. FIG.
Indicates one power contact on the mounting base 1 side (here, the power contact
11) and one power contact on the camera body 2 side (here, the power contact 21). here,
(A) is a front view, (b) is a side view.

As shown in FIGS. 5A and 5B, the power contact 11 on the mounting base 1 comprises an upper contact 11A and a lower contact 11B, and the power contact 21 on the camera body 2 has one contact. Consists of The power contact 21 has a recess. The upper contact 11A of the power contact 11 has a downward convex portion, and the lower contact 11B has an upward flat surface.

When connecting the power contact 11 to the power contact 21, the contact 21 is sandwiched between the contacts 11A and 11B, and the camera body 2 is rotated. With this rotation, the convex portion of the contact 11A moves from the periphery of the concave portion of the contact 21 to the center and comes into contact therewith, so that the highly reliable contact portion 51 is formed.
Further, the contact 21 has a concave portion, and the convex portion of the contact 11A moves from the periphery of the concave portion of the contact 21 to the center and stops, so that the connection of those contacts is completed with a click feeling. For this reason,
When the camera main body 2 is mounted, it can be confirmed that the contacts are securely engaged with each other.

At this time, the power contacts (ground) 13, 23
Are configured to be in contact with each other first, and have a safety structure so that the worker does not receive an electric shock or the like. Also, since there is a live power supply on the mounting base 1 on the power supply side, by changing the shapes of the power contacts 11 and 12 and the power contact (earth) 13, one can see which one is the live power contact and which is the ground contact. Is configured to be identified.

The power contact 11 on the mounting base 1 and the power contact 21 on the camera body 2 are brought into contact with each other by the rotation of the two.
At the same time, current flows when the contact is made, and at the same time, the contact has a force of attracting and pulling up and down, so that the mounting base 1 and the camera body 2 are integrated, and the power supply is simultaneously conducted.

Next, a method of fixing the power cable / signal cable 4 to the mounting base 1 will be described with reference to the sectional view of FIG. As shown in FIG. 3, the power cable / signal cable 4 is fixed in the cable cover 31 of the mounting base 1. The cable cover 31 is, as shown in FIG.
The cross section is formed in a substantially U-shape, and the cable 4 is stored inside the section. The cable 4 is fixed in a state sandwiched from above and below by a pair of fixing rubbers 61. At this time, the sum of the vertical lengths of one set of the fixing rubber 61 is the cable cover 31.
The height is set slightly longer than the height of the inner part of the cable, and the fixing rubber 61 fixes the cable 4 by its elasticity at the stage of fixing the cable 4 to the mounting base 1 with the fixing screw 62.

[0042]

As described above, according to the present invention, the mounting base fixed to the ceiling or the wall and the camera body have a separate structure, and the cable fixing means, the power contact and the signal contact are connected to the mounting base. Provided, a power contact and a signal contact are provided on the camera body, and by rotating the camera body, the power contact and the signal contact on the mounting base side and the camera body side are brought into contact, and the camera body is Since the camera body is fixed to the mounting base, the camera body can be easily attached to and detached from the mounting base, so that an effect that maintenance of the camera body is facilitated is obtained.

Further, since various setting switches are provided on the upper surface of the camera body, there is an effect that setting and changing of the camera ID number and various functions are facilitated.

[Brief description of the drawings]

FIG. 1 is a diagram showing an outline of a monitoring camera device to which the present invention is applied and a structure for mounting the camera device on a ceiling;

FIG. 2 is a diagram showing details of an upper surface of a camera body in FIG. 1;

FIG. 3 is a view showing details of a bottom surface of the mounting base in FIG. 1;

FIG. 4 is a view showing a structure for positioning a contact base;

FIG. 5 is a diagram showing a connection structure of a power contact;

FIG. 6 is a diagram showing a method of fixing a cable to a cable cover;

FIG. 7 is a diagram showing an outline of a conventional monitoring camera device and its mounting structure on a ceiling.

[Explanation of symbols]

 1 Mounting base 2 Camera body 4 Cable 11, 12, 13, 21, 22, 23 Power contact 14, 24 Signal contact 15, 25 Contact base 18 Signal wire ground 19 Power ground 26 Camera ID switch 27 Function switch 31 Cable cover 32, 281 Mounting boss 61 Fixed rubber 151, 251 Mounting boss hole

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Joji Wada 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Inventor Kazunari Tamura Tsunashima-Higashi, Kohoku-ku, Yokohama, Kanagawa 4-3-1, Matsushita Communication Industrial Co., Ltd. F-term (reference) 5C022 AA01 AC75 AC77 AC78 5C054 AA01 CE04 CF02 HA18

Claims (12)

[Claims] 1. A mounting base having a cable fixing means for fixing a power cable and a signal cable, a mounting base side power contact and a mounting base side signal contact, a camera body side power contact and a camera body side signal contact. By rotating the camera body, the mounting base side power contact and the camera body side power contact are brought into contact, and the mounting base side signal contact and the camera body side signal contact are connected to each other. A surveillance camera device, wherein the camera body is brought into contact with the camera body and the camera body is fixed to the mounting base. 2. The surveillance camera device according to claim 1, wherein the mounting base-side signal contact and the camera body-side signal contact are disposed at positions away from a center of the rotation. 3. The mounting base-side signal contact and the camera body-side signal contact each include an integrally formed hole, and the mounting base and the camera body each include an integrally formed protrusion. The surveillance camera device according to claim 1, wherein the mounting position is defined by inserting a protrusion into the hole. 4. The power supply contact on the mounting base side and the power supply contact on the camera body side are mechanically attracted when the camera body is fixed to the mounting base. 2. The monitoring camera device according to 1. 5. The power supply contact on the mounting base side and the power supply contact on the camera body side each include a live power supply contact and a ground contact, and have a structure in which the ground contacts contact each other first. 2. The monitoring camera device according to 1. 6. The power supply contact on the mounting base side and the power supply contact on the camera body side each include a live power contact and a ground contact, and the live power contact and the ground contact can be visually distinguished. The surveillance camera device according to claim 1, wherein: 7. The surveillance camera device according to claim 1, wherein the power supply contact on the mounting base side or the power supply contact on the camera body side has a structure sandwiching the power supply contact on the other side. 8. The power supply contact on the mounting base side or the power supply contact on the camera body side has a concave portion on one side and a convex portion on the other side, and the convex portion and the concave portion engage with the rotation of the camera main body. The surveillance camera device according to claim 1, wherein: 9. The cable fixing means according to claim 1, wherein said power cable and said signal cable are sandwiched from above and below by a rubber-like elastic member, and said elastic member is fixed by being pressed by a cover. The surveillance camera device according to the above. 10. The monitoring camera device according to claim 1, wherein various setting switches are provided on an upper surface of the camera body. 11. The monitoring camera device according to claim 1, wherein a ground of the signal cable is connected to a ground of the power cable at the mounting base. 12. The monitoring camera device according to claim 1, wherein said cable fixing means has a waterproof / moisture proof structure.