JP3165673U - Power supply adapter for surveillance camera - Google Patents

Abstract

A power supply adapter for a surveillance camera that enables a commercially available surveillance camera to be powered from a lighting duct is provided. A power supply adapter for a surveillance camera is attached to a lighting duct having a pair of power supply rails. A power supply terminal is provided at one end, and an AC power supply is provided at the other end. A lighting duct mounting body 2 having an outlet and having a power supply terminal electrically connected to a power supply rail by being attached to the lighting duct 9, and an AC adapter 8A of the monitoring camera 8 electrically connected to an AC power outlet. The AC adapter housing 3 is accommodated and the top plate at one end is fixed to the lighting duct attachment 2, and the AC adapter housing 3 is fixed at one end to the other end of the AC adapter housing 3, And a surveillance camera attachment 4 to which the surveillance camera 8 is attached at the other end. [Selection] Figure 2

Description

  The present invention relates to a power supply adapter for a surveillance camera that supplies power from a lighting duct to the surveillance camera.

  Today, surveillance cameras are used in most stores. Such a surveillance camera is usually attached to a ceiling or the like, and cables such as a power cable are laid in a place that is not visible to the public such as the back of the ceiling. For this reason, a considerable period and cost are required for the installation work of the surveillance camera and cables, and there are many time and economical burdens.

  Japanese Patent Application Laid-Open No. 2004-151561 describes a camera that is attached to a lighting duct and supplies power to the camera from there. The lighting duct is a long duct with a power supply rail installed on the ceiling of the store so that the lighting device can be easily installed at a position that matches the product to be displayed. It is intended for its intended use. The surveillance camera described in Patent Document 1 uses a lighting duct that is already provided, so that the burden of installation work becomes very small.

JP 2006-049990 A

  However, the surveillance camera described in Patent Document 1 has a structure designed exclusively for attaching the surveillance camera itself directly to the lighting duct. On the other hand, many commercially available surveillance cameras have a standardized structure (interface structure) for attachment to other equipment, and are difficult to attach directly to the lighting duct. Met.

  The present invention has been made in view of the above reasons, and the purpose of the present invention is to supply a commercial surveillance camera having a standardized structure for mounting to other equipment from a lighting duct. Thus, it is an object to provide a power supply adapter for a surveillance camera that can be attached to a lighting duct.

  To achieve the above object, a power supply adapter for a surveillance camera according to claim 1 is a power supply adapter for a surveillance camera that is detachably attached to a lighting duct having a pair of power supply rails and an attachment recess. An AC power outlet electrically connected to the power supply terminal at the end on one side, and an AC power outlet electrically connected to the power supply terminal at the end on the other side, and the mounting portion in the mounting recess of the lighting duct A lighting duct mounting body in which the power supply terminal is in electrical contact with the power supply rail of the lighting duct by mounting, and a bottomed cylindrical box body, and a surveillance camera electrically connected to the AC power outlet An AC adapter containing body that houses an AC adapter and a top plate at one end is fixed to the lighting duct mounting body; Is fixed to an end portion of the other side of the AC adapter receptacle in parts, to a monitoring camera mount for mounting a surveillance camera at the end of the other side, characterized in that it comprises a.

  The surveillance camera power supply adapter according to claim 2 is the surveillance camera power supply adapter according to claim 1, wherein the lighting duct mounting body is formed on a stepped portion formed on the outer peripheral surface and on the other side. The AC adapter housing has a mounting body insertion hole through which the lighting duct mounting body is inserted, and a fixing tool is screwed onto the male screw. Thus, the top plate portion of the AC adapter container is sandwiched between the step portion and the fixture.

  The power supply adapter for a surveillance camera according to claim 3 is the power supply adapter for a surveillance camera according to claim 2, wherein the attachment body insertion hole is larger than the diameter of the valley of the male screw and larger than the outer diameter of the male screw. It is small.

  The power supply adapter for a surveillance camera according to claim 4 is the power supply adapter for a surveillance camera according to claim 3, wherein the male screw is formed intermittently, and the attachment body insertion hole is partially in the radial direction. An enlarged male screw insertion portion having a size that allows the male screw fragment to be inserted in the vertical direction is provided.

  The power supply adapter for a surveillance camera according to claim 5 is the power supply adapter for a surveillance camera according to any one of claims 1 to 4, wherein the AC adapter container has a heat dissipation hole on a side surface. It is characterized by being.

  The power supply adapter for a surveillance camera according to claim 6 is the power supply adapter for a surveillance camera according to any one of claims 1 to 5, wherein the AC adapter cord passes through the cord of the AC adapter. It has a cord passage hole.

  The surveillance camera power supply adapter according to claim 7 is the surveillance camera power supply adapter according to any one of claims 1 to 6, wherein the surveillance camera mounting body includes a joint portion. It is characterized by attaching a surveillance camera via.

  According to the power supply adapter for a surveillance camera according to the present invention, the power supply is taken out by being attached to the lighting duct by the lighting duct mounting body, and the AC adapter is accommodated in the AC adapter housing body for mounting to other equipment. Since a commercially available surveillance camera having a standardized structure can be attached to the surveillance camera mounting body, the surveillance camera can be attached to the lighting duct so that power is supplied from the lighting duct.

1 shows a power supply adapter 1 for a surveillance camera according to an embodiment of the present invention, wherein (a) is a left side view, (b) is a front view, (c) is a plan view, and (d) is a bottom view. is there. It is a front view of the surveillance camera system using the power supply adapter 1 for surveillance cameras same as the above. It is sectional drawing which shows the lighting duct 9 of the surveillance camera system same as the above. 1 shows a lighting duct mounting body 2 of a power supply adapter 1 for a surveillance camera, wherein (a) is a left side view, (b) is a front view, (c) is a plan view, and (d) is a bottom view. (E) is a bottom view with the male screw 26 omitted. It is typical explanatory drawing of the attachment state of the lighting duct 9 and the lighting duct attachment body 2 same as the above. 1 shows an AC adapter housing 3 of the power supply adapter 1 for a surveillance camera, wherein (a) is a left side view, (b) is a front view, (c) is a plan view, and (d) is a bottom view. It is. The lighting duct attachment body 2 of the power supply adapter 1 for surveillance cameras same as the above and the top plate part 3a of the AC adapter housing 3 are shown fixed, (a) is a front view and (b) is (a). FIG. FIG. 7 shows a modification of the male screw 26 of the lighting duct mounting body 2 of the surveillance camera power supply adapter 1 and the mounting body insertion hole 31 of the top plate portion 3a of the AC adapter housing 3 shown in FIG. The left side view of the duct mounting body 2, (b) is a front view of the lighting duct mounting body 2, (c) is a bottom view of the lighting duct mounting body 2, and (d) is a bottom view of the top plate portion 3a. 2 shows a surveillance camera mounting body 4 of the above-described surveillance camera power supply adapter 1, wherein (a) is a left side view, (b) is a front view, (c) is a left side sectional view, and (d). Is a front sectional view, and (e) is a bottom view. It is a perspective view which shows the back surface of the surveillance camera 8 of the surveillance camera system same as the above.

  Hereinafter, preferred embodiments for carrying out the present invention will be described with reference to the drawings. As shown in FIG. 1, a power supply adapter 1 for a surveillance camera according to an embodiment of the present invention includes a lighting duct attachment body 2, an AC adapter housing body 3, and a surveillance camera attachment body 4 as main components. , They are connected in order. As shown in FIG. 2, the power supply adapter 1 for the surveillance camera is configured such that power is supplied from the lighting duct 9 on one side to the surveillance camera 8 on the other side, and the surveillance camera 8 can be attached to the lighting duct 9. It is for making. In this specification, one side means the lighting duct 9 side in a state in which the surveillance camera power supply adapter 1 is attached to the lighting duct 9, that is, the upper side in FIG. 1 and FIG. The side away from the lighting duct 9 in the state, that is, the lower side in FIGS. Further, the vertical direction and the horizontal direction mean the vertical direction and the horizontal direction when the monitoring camera power supply adapter 1 is attached to the lighting duct 9, respectively. In FIGS. 1 and 2, a part of the attachment body 2 existing inside the AC adapter housing 3 and a fixture 3 </ b> B described later are indicated by broken lines. In FIG. 2, the AC adapter 8 </ b> A of the surveillance camera 8, which is attached and accommodated inside the AC adapter housing 3, its plug 8 </ b> Aa, and a part of its cord 8 </ b> Ab are indicated by broken lines.

  The lighting duct 9 has a power supply rail disposed in a long duct, and the main part of the structure is standardized by the JIS standard. As shown in FIG. 2, the lighting duct 9 is disposed on the ceiling C of the store. As shown in the cross-sectional view of FIG. 3, the lighting duct 9 has a hollow portion 91 inside the duct 90, and an opening 92 on one side of the duct 90 that leads to the external space. In addition, a pair of power supply rails 93 and 93 for supplying AC 100 V, for example, are disposed on the inner wall surface near the center in the vertical direction of the hollow portion 91 so as to be exposed inward. Mounting recesses 91 a and 91 a are formed as part of the hollow portion 91 below the power supply rails 93 and 93. The hollow portion 91 (including the mounting recess 91a), the opening 92, and the pair of power supply rails 93 and 93 extend along the ceiling C (long in the direction perpendicular to the paper surface in FIG. 3).

  As shown in FIG. 4, the lighting duct attachment body 2 has a columnar shape, and an end portion on one side has a structure for attaching the lighting duct attachment body 2 to the lighting duct 9.

  The lighting duct mounting body 2 includes mounting portions 21 and 21 and power supply terminals 22 and 22 as end portions on one side. The attachment portions 21 and 21 are formed to protrude in the lateral direction. The attachment portions 21 and 21 are inserted into the hollow portion 91 from the opening 92 of the lighting duct 9 and rotated by about 90 degrees, so that the attachment portions 21 and 21 are firmly inserted by being inserted into the attachment recesses 91a and 91a. Accordingly, the lighting duct attachment body 2 is attached to the lighting duct 9 (see FIG. 5). In addition, the lighting duct attachment body 2 has a pair of power supply terminals 22 and 22 disposed at the extreme end (one side of the attachment portion 21), and the attachment portions 21 and 21 are attached to the attachment recess 91a. , 91a, the power supply terminals 22, 22 are in electrical contact with the power supply rails 93, 93. Further, a part of the peripheral portion of the lighting duct mounting body 2 is provided with a locking convex portion 23 that protrudes in the vertical direction and is movable (pushable) with a spring bias in the vertical direction. The locking projection 23 is fitted into the opening 92 when the mounting portions 21 and 21 are fitted in the mounting recesses 91 a and 91 a of the lighting duct 9 and the power supply terminals 22 and 22 are in contact with the power supply rails 93 and 93. The lighting duct mounting body 2 is prevented from rotating, and a stable mounting state is maintained.

  Moreover, the lighting duct attachment body 2 has an AC power outlet 24 at the other end. This AC power outlet 24 is for inserting the plug 8Aa of the AC adapter 8A of the surveillance camera 8, and the conductors in the pair of inlets 24a, 24b of the AC power outlet 24 are the lighting duct mounting body 2 And are electrically connected to the power supply terminals 22 and 22. Therefore, the AC power outlet 24 is supplied with AC 100 V, for example, when the lighting duct mounting body 2 is attached to the lighting duct 9.

  Further, the lighting duct attachment body 2 has a portion for fixing the AC adapter housing 3 on the outer peripheral surface of the intermediate portion in the vertical direction. Specifically, a stepped portion 25 formed on the outer peripheral surface and a male screw 26 formed on the other side are provided as this portion. FIG. 4E is a view in which the male screw 26 is omitted in order to display the stepped portion 25 so as to be particularly easy to understand.

  As shown in FIG. 6, the AC adapter housing 3 is a box with a bottomed cylinder (in the present embodiment, approximately an octagonal cylinder), and the monitoring camera 8 that is electrically connected to the AC power outlet 24. The AC adapter 8A is accommodated. Specifically, the AC adapter container 3 is a box composed of a top plate portion 3a at one end in the vertical direction, a bottom plate portion 3b at the other end, and a cylindrical side portion 3c therebetween. It is. In the present embodiment, the top plate portion 3a and the bottom plate portion 3b are fixed to the side portion 3c by using fastening members 32A and 33A such as screws (see FIG. 1) to constitute the AC adapter housing 3. Yes. The holes 32 and 33 in FIG. 6 are through which the fastening members 32A and 33A pass, respectively. When the AC adapter housing 3 is attached to the lighting duct mounting body 2, or when the AC adapter 8A is housed in the AC adapter housing 3 and the plug 8Aa is inserted into the AC power outlet 24, the top plate portion is appropriately selected. What is necessary is just to remove 3a from the side part 3c.

  The top plate portion 3a of the AC adapter housing 3 has an attachment body insertion hole 31 for attachment to the lighting duct attachment body 2 at the center. This attachment body insertion hole 31 inserts the lighting duct attachment body 2 from the other side, and makes it contact | abut on the level | step-difference part 25 via the cyclic | annular shock absorbing material (O-ring) 3A. Then, as shown in FIG. 7A, the fixture 3B on which the female screw is formed is screwed onto the male screw 26 of the lighting duct mounting body 2 and tightened. By doing so, the top plate portion 3a of the AC adapter housing 3 is sandwiched between the step portion 25 and the fixture 3B.

  The attachment body insertion hole 31 preferably has an inner diameter slightly larger than the diameter of the valley of the male screw 26 of the lighting duct attachment body 2 and smaller than the outer diameter of the male screw 26. And when inserting the other side of the lighting duct attachment body 2 in the attachment body insertion hole 31, it attaches so that the peripheral part of the attachment body insertion hole 31 may move along the trough of the external thread 26, and may move to a vertical direction gradually. . When the attachment is completed, the state shown in FIG. When the inner diameter of the attachment body insertion hole 31 is set in this way, the peripheral portion of the attachment body insertion hole 31 is not removed even if the fixture 3B is detached from the male screw 26 after the monitoring camera 8 is installed due to excessive vibration or the like. It is possible to prevent the AC adapter housing 3 from being separated from the lighting duct mounting body 2 by being obstructed by the male screw 26 in the vertical direction. In addition to the size of the attachment body insertion hole 31, as shown in FIGS. 8A to 8C, the male screw 26 is intermittently formed (constituted of a number of pieces of male screws), and FIG. As shown in d), a male screw insertion portion 31a, a part of which is enlarged in the radial direction, can be provided in the attachment body insertion hole 31. The male screw insertion portion 31a has such a size that a piece of the male screw 26 can be inserted in the vertical direction. In this way, even if the difference between the inner diameter of the attachment body insertion hole 31 and the diameter of the valley of the male screw 26 of the lighting duct attachment body 2 is very small, the other side of the lighting duct attachment body 2 is connected to the attachment body insertion hole 31. When inserting, the periphery of the attachment body insertion hole 31 is easily moved in the vertical direction.

  The AC adapter housing 3 has heat radiation holes 34, 34,. Thereby, when the AC adapter 8A of the monitoring camera 8 is inside, the heat generated therefrom can be appropriately released to the outside.

  Further, the AC adapter housing 3 has a cord passage hole 35 for allowing the cord 8Ab to pass from the AC adapter 8A to the DC power input terminal of the monitoring camera 8 in the bottom plate portion 3b. In FIG. 6D, the three holes 36 other than the cord passage hole 35 provided in the bottom plate portion 3b are fastening members 4A such as screws for fixing the surveillance camera mounting body 4 (see FIG. 1). Pass through.

  The surveillance camera attachment body 4 attaches the surveillance camera 8 so that the photographing direction can be adjusted. Specifically, as shown in FIG. 9, the surveillance camera mounting body 4 has a pedestal portion 41 at one end in the vertical direction, and the pedestal portion 41 is a fastening member 4A such as a screw (FIG. 1). To the bottom plate portion 3b of the AC adapter housing 3 using the reference). In FIG. 9 (e), the three holes 41a provided in the pedestal portion 41 are through which a fastening member 4A such as a screw passes. The surveillance camera mounting body 4 includes a substantially cylindrical shaft portion 42 provided perpendicular to the pedestal portion 41 and a bottomed cylindrical shaft lid portion 43 that is disposed coaxially with the shaft portion 42 and covers the top of the shaft portion 42. And a position fixing screw member 44 that can fix the position of the shaft lid portion 43 with respect to the shaft portion 42, a ball portion 45a and a rod-like portion 45b, and a male screw 45ba is formed at the tip of the rod-like portion 45b, and the rod-like portion And a joint portion 45 provided with a fixing nut 45c at an intermediate portion of 45b. A notch 43c is formed from a part of the bottom part 43a of the shaft cover part 43 to a part of the side part 43b. The joint portion 45 has a ball portion 45 a between the top portion of the shaft portion 42 and the bottom portion 43 a of the shaft lid portion 43, and a rod-like portion 45 b connected to the ball portion 45 a is inserted into the notch 43. In a state where the position fixing screw member 44 is loose, the shaft lid portion 43 is rotatable with respect to the shaft portion 42 and is also slightly movable in the vertical direction, and the rod-like portion 45b of the joint portion 45 is It is possible to move freely over a wide range.

  Thus, the surveillance camera mounting body 4 attaches the surveillance camera 8 via the joint portion 45, and the rod-like portion 45b of the joint portion 45 moves so that the photographing direction of the surveillance camera 8 becomes appropriate. Then, the position fixing screw member 44 is tightened to fix the positions of the shaft lid portion 43 and the ball portion 45a with respect to the shaft portion 42, and the direction of the rod-like portion 45b is fixed.

  The surveillance camera 8 has a standardized structure for attachment to other instruments. That is, as shown in FIG. 10, the monitoring camera 8 has an attachment port in which a female screw of a predetermined size is formed on the back surface so that the male screw of another device is screwed to be firmly coupled to the other device. 81. In the surveillance camera 8, the male screw 45ba of the joint portion 45 of the surveillance camera attachment body 4 is screwed into the attachment port 81 and fixed by the fixing nut 45c, so that the surveillance camera 8 and the surveillance camera attachment body 4 are firmly coupled. To do.

  Moreover, the surveillance camera 8 has a DC power input port 82, and the terminal of the cord 8Ab of the AC adapter 8A of the surveillance camera 8 is inserted.

  Moreover, the surveillance camera 8 has a detachable storage unit (for example, an SDHC memory card), and records images taken when the store is open. If the memory capacity is large, this storage unit can store many days, but if it can store at least one day (12 hours of operation), it can be replaced before opening the store. The surveillance camera 8 automatically starts operation after power is supplied to the pair of power supply rails 93 and 93 of the lighting duct 9 by turning on the switch in the store, and the pair of lighting duct 9 is turned off by turning off the switch. The operation may be automatically terminated when power is not supplied to the power supply rails 93, 93. Further, the surveillance camera 8 may have a wireless communication function, and an image of the surveillance camera 8 may be monitored in a specific room, or the surveillance camera 8 may be remotely operated. These surveillance cameras 8 can use what has a predetermined function in what is called a network camera, for example.

  Since the surveillance camera 8 is commercially available and its structure is well known, detailed description of other parts is omitted. Further, if the structure for attaching the surveillance camera 8 to another device is another structure different from the above structure, the surveillance camera attachment body 4 can be appropriately changed accordingly.

  In this way, the power supply adapter 1 for the surveillance camera is supplied with power from the lighting duct 9 so that a commercially available surveillance camera having a standardized structure for attachment to other equipment is supplied from the lighting duct 9. It is possible to change the surveillance camera mounting body 4 so that the surveillance camera can be attached to any other equipment.

  The surveillance camera power supply adapter according to the embodiment of the present invention has been described above. However, the present invention is not limited to the one described in the above embodiment, and the scope of matters described in the claims of the utility model registration Various design changes are possible. For example, the specific shapes of the lighting duct attachment body 2, the AC adapter housing body 3, and the surveillance camera attachment body 4 can be changed as appropriate. Further, as for the monitoring camera 8, it is needless to say that the AC adapter 8A accommodated in the AC adapter accommodating body 3 and the plug 8Aa thereof can be separated and connected with a power cord.

DESCRIPTION OF SYMBOLS 1 Power supply adapter for surveillance cameras 2 Lighting duct attachment body 21 Lighting duct attachment body attachment part 22 Power supply terminal of lighting duct attachment body 24 AC power outlet of lighting duct attachment body 26 Male screw of lighting duct attachment body 25 Lighting duct attachment body 3 AC adapter housing 3a AC adapter housing top plate 31 Mounting body insertion hole 34 Heat radiation hole 35 Cord passage hole 3B Fixing device 4 Surveillance camera mounting body 45 Joint section 8 Surveillance camera 8A Surveillance camera AC adapter 8Aa Surveillance camera AC adapter plug 8Ab Surveillance camera AC adapter cord 9 Lighting duct 91a Mounting recess 93 Feed rail

Claims (7)

A power supply adapter for a surveillance camera that is detachably attached to a lighting duct having a pair of power supply rails and a mounting recess,
A power supply terminal and a mounting portion are provided at one end, and an AC power outlet is electrically connected to the power supply terminal at the other end, and the mounting portion is attached to a mounting recess of the lighting duct. A lighting duct mounting body in which the power supply terminal is in electrical contact with the feeding rail of the lighting duct;
AC box that is a bottomed cylindrical box that houses an AC adapter of a surveillance camera that is electrically connected to the AC power outlet, and whose top plate at one end is fixed to the lighting duct mounting body An adapter housing;
A surveillance camera attachment body fixed to the other end portion of the AC adapter container at one end portion, and attaching a surveillance camera at the other end portion;
A power supply adapter for a surveillance camera, comprising: In the surveillance camera power supply adapter according to claim 1,
The lighting duct mounting body is provided with a stepped portion formed on the outer peripheral surface and a male screw formed on the other side,
The AC adapter container has a mounting body insertion hole through which the lighting duct mounting body is inserted into the top plate portion.
A power supply adapter for a surveillance camera, wherein a top plate portion of the AC adapter housing is sandwiched between the step portion and the fixture by screwing a fixture with the male screw. In the surveillance camera power supply adapter according to claim 2,
The power supply adapter for a surveillance camera, wherein the attachment body insertion hole is larger than a diameter of a valley of the male screw and smaller than an outer diameter of the male screw. In the surveillance camera power supply adapter according to claim 3,
The male screw is formed intermittently,
A power supply adapter for a surveillance camera, wherein the attachment body insertion hole is provided with a male screw insertion portion having a size that is partially enlarged in a radial direction and capable of inserting a piece of the male screw in a vertical direction. . The surveillance camera power supply adapter according to any one of claims 1 to 4,
The power supply adapter for a surveillance camera, wherein the AC adapter container has a heat radiating hole on a side surface. The surveillance camera power supply adapter according to any one of claims 1 to 5,
The power supply adapter for a surveillance camera, wherein the AC adapter container has a cord passage hole through which the cord of the AC adapter passes. The surveillance camera power supply adapter according to any one of claims 1 to 6,
The surveillance camera power supply adapter, wherein the surveillance camera attachment body has a joint portion, and the surveillance camera is attached through the joint portion.

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