JPH0797839B2 - Surveillance camera - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveillance camera installed in a store, a department store, a bank, a factory, etc., for imaging an object in the field of view and transmitting it to a monitor.

[0002]

2. Description of the Related Art Conventionally, a surveillance camera of this type is generally a rectangular parallelepiped case in which an electric circuit is wired and a printed circuit board on which a large number of electric parts are mounted, and a case in which a lens, an image pickup element, etc. are installed. It is composed of a lens mount attached to the front part of, and is attached to a wall surface, a ceiling, etc. via a mounting base, and when adjusting the viewing direction, the mounting angle of the case with respect to the mounting base was changed.

[0003]

Since the conventional surveillance camera is constructed as described above, it becomes large in size as a whole,
For this reason, a relatively wide space is required for mounting on the ceiling or wall, and in particular, when adjusting the field of view, it is necessary to change the mounting angle of the entire case, so it cannot be installed in a narrow space. In addition, the case is inferior in design because it is formed in a rectangular parallelepiped box shape, so that it does not match modern buildings such as stores, department stores, and banks, and there is a feeling of strangeness. Further, since screws are used for assembling each part and mounting to the mounting base, assembly, adjustment, maintenance and inspection are troublesome.

The present invention has been made to solve the above problems, and an object thereof is to obtain a surveillance camera which is small in size, excellent in design, and easy to assemble, maintain and check.

[0005]

A surveillance camera according to the present invention comprises a base and a base cover which are attached to a ceiling, a wall surface or the like and are separable, and have a substantially hemispherical shape having a required electric component installation space. And a substantially hemispherical camera body that includes a printed circuit board on which an electric circuit is formed, a lens mount, an image sensor, and the like. And is provided with a plurality of engaging projections on the inner wall of either the base or the base cover of the mounting base,
The other peripheral wall of the opening is provided with an engaging portion corresponding to the engaging projection, into which the engaging projection is slid.

Further, in the above surveillance camera, the case and the case cover of the camera body are coupled by an engaging projection provided on either one and an engaging portion provided on the other.

[0007] Further, a mounting base which is mounted on a ceiling, a wall surface or the like, and which is configured to be separable and has a base cover, and which has a required space for mounting an electric component, and a mounting base which are mounted on the mounting base and are separable from each other. A printed circuit board including a configured case and a case cover, on which a power circuit is formed,
It consists of a camera body with a built-in lens mount and image sensor, and a plurality of locking pieces with locking claws are projected on the inner wall around the window hole of the case cover of the camera body. A window glass is attached to the hole.

Further, an electric circuit is formed by a mounting base made up of a base and a base cover having a cylindrical portion with an outer circumference having a screw and an inner wall provided with a ball receiving portion at the upper portion, a case and a case cover. It consists of a camera body with a built-in printed circuit board, lens mount, image sensor, etc., and a ball hinge with a hollow screw fitting partially embedded in the ball body. It is housed, supported by a ball receiving part, fixed with a lock nut, and the screw fitting of the ball hinge is attached to the case of the camera body.

In the above-mentioned surveillance camera, the heat radiating plate to which the heating element is attached is integrally fixed to the screw fitting of the ball hinge attached to the camera body, and a part of the screw fitting is provided between the camera body and the mounting base. Exposed to.

Further, it comprises a base and a base cover,
Mounted on a mounting base that is mounted on the ceiling, wall surface, etc., to which a signal cable is connected, and a printed circuit board including an electric circuit formed of a case and a case cover, a lens mount, an image sensor, etc. It consists of the camera body and the signal cable pulled into the base is fixed to the mounting part provided on the base of the mounting base, and the signal cable is connected to the connector that is installed close to the mounting base and is connected to the printed circuit board inside the camera body. It is a one-touch connection that can be attached.

[0011]

When the engaging projection provided on one of the base and the base cover of the mounting base is aligned with the engaging portion provided on the other and the pressing projection rotates, the engaging projection slides into the locking groove. Locked and the two are joined together. By rotating in opposite directions, the lock is released and the two can be easily separated. Even when the case and the case cover of the camera body are provided with the engaging protrusion and the engaging portion, both can be easily attached and detached.

When the locking piece is provided on the peripheral edge of the window hole of the case cover of the camera body, the window glass is put in the case cover to abut and press the locking piece. As a result, the locking piece is elastically deformed and the window glass is easily pushed into the window hole side, and the locking claw is locked and held at that position.

The lens body can be attached to the mounting base by inserting the screw fitting of the ball hinge fixed to the cylindrical portion of the base cover with the lock nut into the case of the lens body and fixing with the nut from the inside. By loosening the lock nut and rotating the ball body, the visual field direction of the lens body can be adjusted over a wide range, and when the adjustment is finished, the lock nut is tightened to fix the lens body in that position.

When the heat radiating plate to which the heat generating element is attached is integrally fixed to the screw metal fitting in the camera body, the heat generated from the heat generating element is transmitted from the heat radiating plate to the screw metal fitting and radiated from the exposed portion. Therefore, it is possible to suppress the temperature rise in the sealed camera body.

Further, since the signal cable drawn into the base of the mounting base is fixed to the mounting portion provided on the base, and the core wire of the signal cable is detachably attached to the connector provided in the vicinity, a screw or the like can be attached. The signal cable can be connected to the connector easily and with one touch without the need.

[0016]

1 is a side view showing an embodiment of a surveillance camera according to the present invention, and FIG. 2 is a plan view thereof. In the figure, 1 is a substantially hemispherical mount including a base 11, a base cover 31, and a lock nut 41, 6 is a case 61 and a cover 8
The camera body has a substantially hemispherical shape and is connected by a ball hinge 51.

The base 11 of the mounting base 1 is made of synthetic resin by molding, and is formed in a substantially dish shape as shown in FIG. 3, and the upper end of the side wall 12 extends inward so that the step portion 1 is formed.
3 is also formed, and insertion holes 14a and 14b for a power cable, a signal cable to the monitor, etc. are provided through. 1
5 is a mounting portion for the signal cable 25, 16 is a mounting portion for the BNC connector 26, 17 is a power transformer 28 and the camera body 5
A mounting portion of a terminal board 27 for connecting to a printed circuit board (not shown) provided in the above, and a mounting base 18 of a power transformer 28.

An example of the BNC connector 26 is shown in FIG.
This connector 26 has a built-in terminal metal fitting (not shown), and has an insertion port 26 for the core wire 25a of the signal cable 25 on one side wall.
2 is a main body 261 having two, and terminals (not shown) provided on the lower surface of the main body 261 are inserted into the holes 265 of the conductive pattern 264 provided on the printed circuit board 263 and soldered. Then, the conductive pattern 264 of the printed circuit board 263 is connected to a printed circuit board provided on the camera body 6 described later, and the core wire 25a of the signal cable 25 fixed to the mounting portion 15 is inserted into the insertion port 262. Two
5 is connected to the terminal fitting with one touch.

An example of the terminal board 27 is shown in FIG. Two
71a, 271b, 271c, and 271d are cylindrical terminal fittings 272a, 272b, 272c, and 272 each having a wiring insertion port 273 (only one side is shown in the drawing) on both sides.
d is a plurality of box-shaped terminal blocks mounted inside, and these terminal blocks 271a to 271d are integrally connected.
274a, 274b, 274c and 274d are terminal blocks 2
71a to 271d on the upper surface, terminal metal fittings 272a to 272
It is a screw cylinder made up of two cylindrical parts that have a terminal screw 275 screwed into d and are integrally connected. Then, the output wire of the power transformer 28 is inserted into one of the insertion ports 273 of the terminal fittings 272a to 272d and fixed with the terminal screws 275,
A wire for supplying power to the printed circuit board of the camera body 6 to be described later is inserted into the other insertion port 273a to insert the terminal screw 275a.
If fixed by, the power source and the camera body 6 are connected via the terminal board 27.

Referring again to FIG. 3, 19a, 19b, 19
Reference numeral c denotes engagement projections provided inside the side wall 12 at equal intervals of 120 °, and 20a and 20b denote screw insertion holes provided in the bottom plate. A female screw 22 into which a screw is screwed from the lower surface is inserted in the protruding portion 21 provided in the central portion.

The base cover 31 of the mounting base 1 is made of synthetic resin by molding, and as shown in FIG. 6, it is formed in an inverted bowl shape and has a cylindrical portion 32 protruding in a cylindrical shape at the top. A male thread 33 is formed on the outer circumference of the cylindrical portion 32. Further, a step portion 34 is provided above the inner circumference of the cylindrical portion 32.
The ball receiving portion 35 is formed on the lower side of the step portion 34 and is formed by an inclined surface whose diameter is reduced downward.

A fitting groove 36 is formed at the lower end of the base cover 31, and an extension 120 inside the fitting groove 36 is provided.
Engaging portions 37 are provided at equal intervals of °. The engagement portion 37 has an opening portion 38 that opens downward with a width that allows the engagement protrusions 19 a to 19 c provided on the base 11 to be fitted therein, and the opening portion 3.
Engaging projections 19a to 19c cut from 8 in parallel with the lower edge
Is formed by a slit-shaped locking groove 39 into which is inserted.

The lock nut 41 is molded from synthetic resin, and as shown in FIG. 7, is provided with an internal thread 42 to be screwed into the external thread 33 of the base cover 31,
A groove 43 is provided on the inner circumference thereof. Further, an inclined surface 44 whose diameter is reduced upward is formed on the upper side. Four
Reference numeral 5 is a slip stopper provided on the outer circumference.

The ball hinge 51, as shown in FIG.
It is composed of a spherical ball body 52 made of synthetic resin and a hollow screw fitting 53 inserted into the ball body 52. A polygonal (hexagonal in the embodiment) flange 54 is projected on the outer periphery of the central portion of the screw fitting 53, a male screw 55 is provided on the upper portion of the flange 54, and a central portion of the ball body 52 is provided. Has a hole 56 communicating with the central hole of the screw fitting 53. The outer diameter R of the ball body 52 is the inner diameter d ₁ of the ball receiving portion 35 of the base cover 31 and the inner diameter d of the inclined surface 42 of the lock nut 44.
It is formed larger than ₂ .

The case 61 of the camera body 6 is formed of a synthetic resin by molding, and is formed in a substantially bowl shape. As shown in FIG. 9, a through hole 62 is formed in the center of the lower portion, and the lower surface thereof is formed. Is a polygonal (hexagonal in the embodiment) concave portion 6
3 is provided. Further, a groove 64 is formed at the upper end portion, and an engaging portion 65 including an opening portion 66 and a slit-shaped locking groove 67 is provided at an extending portion inside thereof at equal intervals of 120 °. 68a, 68b, 68c, 68d, 68
Reference numeral e is a column for mounting a printed circuit board or the like projecting inside.

The cover 81 is made of synthetic resin by molding, and has a window hole 82 formed at the upper end thereof and a groove 83 concentric with the window hole 82, as shown in FIG. Further, locking pieces 84a, 84b, 84c having locking claws 85 as shown in FIG. 7D are provided at the outer periphery of the groove 83 at equal intervals of approximately 120 °. Further, a step portion 85 is formed at the lower end portion, and 120 ° is formed on the inner peripheral surface thereof.
Engaging projections 86a, 86b, 86c are projected at equal intervals.

Next, an example of the assembling order of the surveillance camera including the above-mentioned respective parts will be described. First, as shown in FIGS. 3, 11, and 12, the mounting portion 16 of the base 11
Attach the BNC connector 26 to the
The terminal board 27 and the power transformer 28 are attached to each of them.

Then, the ball hinge 51 is inserted into the lock nut 41 from the inside, and the male screw 3 of the base cover 31 is inserted.
Screw into 3. At this time, the ball body 52 of the ball hinge 51 is held by the ball receiving portion 35 of the base cover 31 and the inclined portion 44 of the lock nut 41. In addition,
In this case, by inserting a packing into the groove 43 of the lock nut 41, it is possible to enhance the moisture-proof and dust-proof effects.

The ball body 5 of the ball hinge 51
2 through the hole 56 and the hollow portion of the screw fitting 53, the base 11
The lead 29 connected to the terminal board 27 attached to is pulled out. In this state, the base cover 31 is brought into contact with the base 11, and the openings 38 of the engaging portions 37 thereof are aligned with the engaging protrusions 19a to 19c of the base 11, respectively.
Rotate while pressing 1. As a result, as shown in FIG. 13, the engaging protrusions 19a to 19c are slidably fitted into the engaging groove 39 of the engaging portion 37 and locked, and the both are integrally coupled. At this time, the upper end of the base 11 fits into the groove 36 of the base cover 31.

Next, as shown in FIGS. 9, 15 and 16, the screw fitting 53 of the ball hinge 51 mounted on the mounting base 1 is inserted into the through hole 62 of the case 61 of the camera body 6 and the flange thereof is inserted. 54 is fitted in the recess 63. And
From the opening of the case 61 to the heat sink 70 as shown in FIG.
Is inserted, the hole 71 is fitted into the screw fitting 53, and fixed by the nut 72. A heat generating element 76 such as a three-terminal regulator is attached to the heat sink 70. Then, the leads 29 drawn out from the hollow portion of the screw fitting 53 are connected to the printed circuit boards 73a, 73b, 73c on which electric circuits are provided and the electric parts are mounted, and the printed circuit boards 73a to 73c are supported by the columns 68a to 68.
Fix on top of each. In addition, 74 is a printed circuit board 7.
Reference numeral 75 denotes a lens mount attached to 3a.

Next, packing 88 is provided in the groove 83 of the cover 81.
Attached, and as shown in FIG. 10 (d), locking pieces 84a-8
A window glass 87 is brought into contact with and pressed against 4c. This allows
The locking pieces 84a to 84c are elastically deformed so that the window glass 87 is inserted with one touch and locked by the locking claws 85 so that the window holes 82 are inserted.
Be attached to. In this way, the engaging protrusions 86a to 86c of the cover 81 with the window glass 87 mounted thereon are attached to the case 61.
The engaging projections 86a to 86c are engaged with the engaging groove 6 when the engaging protrusions 86a to 86c are rotated while being inserted while being aligned with the opening 66 of the engaging portion 65 of the.
7 is slidably fitted and locked, and both are integrally coupled. At this time, the cover 81 is placed in the groove 64 of the case 61.
The lower end of the is inserted.

As described above, in the present invention, the mounting base 1
The engaging projections 19a to 19c and 86a to 86c are provided on the base 11 and the cover 81 of the camera body 6, respectively, and the engaging portions 37 and 65 are provided on the base cover 31 and the case 61, which are coupled to the engaging projections 19a to 19c and 86a to 86c, respectively. Since the two are joined by simply pressing and rotating without using them, the assembly and disassembly are extremely easy. Further, the locking pieces 84a to 84c are provided on the cover 81 of the camera body 6 so that the window glass 87 can be attached with one touch, so that the window glass 87 can be easily and easily attached.

Next, an example of a procedure for attaching the surveillance camera assembled as described above to a ceiling or a wall surface will be described. Note that, as shown in FIGS. 11 and 12, a mounting plate 9 having screws 91 is fixed to the ceiling, the wall surface, or the like. First, the screw 22 for mounting on the base 11 of the surveillance camera is screwed into and fixed to the screw 91 of the mount 9. Then, the base cover 31 is rotated to remove the base cover 31 and the camera body 6 from the base 11.

Then, the insertion holes 14a and 14b shown in FIG.
Then, the power cable and the signal cable are pulled into the base 11, and the power cable is connected to the power transformer 28. On the other hand, the signal cable 25 is attached to the attachment portion 15 and fixed,
The core wire is inserted into the insertion port 262 of the BNC connector 26 and connected. Then, when the base cover 31 is connected to the base 11 again, the installation of the surveillance camera is completed. In addition, the female screw 22 of the base 11 is attached to the mounting screw 91 of the mounting plate 9.
Instead of screwing in and mounting the base 11, the screw is inserted into the screw insertion holes 20a and 20b provided in the bottom plate of the base 11,
May be attached directly to the ceiling or wall.

In the surveillance camera mounted on the ceiling or the wall as described above, first, the lock nut 41 is loosened and the ball joint 51 is rotated together with the camera body 6 to move the camera body 6
The window glass 87 of the lock nut 41 in the desired direction.
Then, the power is turned on, the ball joint 51 is rotated while watching the image on the monitor, the field of view is finely adjusted, and the lock nut 41 is tightened and fixed.

When electric power is constantly supplied to the electric parts for monitoring and the operation is continued, the heating element 76 such as a three-terminal regulator generates heat and the temperature in the sealed camera body rises. Although the performance is adversely affected, these heat generating elements 76 are not mounted on the printed circuit board,
Since it is attached to No. 0, the heat from the heat generating element 76 is transmitted from the heat radiating plate 70 to the screw fitting 53, and is radiated from the exposed portion between the mounting base 1 and the camera 6. Therefore, it is possible to prevent the temperature inside the sealed lens body 6 from rising.

The embodiments of the present invention have been described above.
The present invention can be implemented in various modifications as exemplified below. (1) A case is shown in which both the base and base cover of the mounting base and the case and case cover of the camera body are provided with engaging protrusions and engaging portions that connect them, respectively. Only one of them may be connected by the engaging protrusion and the engaging portion, and the other may be connected by other means. (2) Further, although not described in the embodiment, packing may be arranged in the fitting groove 36 of the base cover 31 and the groove 64 of the case 61 so as to be more airtightly coupled.

(3) Further, both the mounting base and the camera body may be coupled by means other than the engaging projection and the engaging portion (for example, a hook provided on the outside). In this case, the mounting base and the camera are connected. The shape of the main body may be a shape other than a hemisphere (for example, a box shape). (4) The case where a polygonal flange is provided on the screw fitting of the ball joint and a polygonal concave portion to which this flange fits is provided on the case of the lens body, but the shape of this flange and the concave portion is polygonal. The invention is not limited to this, and may be any as long as it has a rotation stopping function such as cutting out a part of a circle.

(5) The case where a heat sink having a substantially convex shape is attached to the screw fittings of the ball joint is shown, but other shapes may be used, and when the heat generation amount of the electric parts is small. The heat sink may be omitted. (6) The case where a power supply circuit such as a transformer for transformer is provided in the base is shown, but when a drive source is provided outside,
A power supply circuit such as this transformer is unnecessary, and a lighter weight surveillance camera can be obtained.

[0040]

As described in detail above, according to the present invention, the following effects can be obtained. (1) Align the engaging protrusions provided on either the base or the base cover of the mounting base with the openings of the engaging portions provided on the other, and rotate while pressing to lock the engaging protrusions. Since it is fitted into the groove and locked, and both are integrally coupled without using screws or the like, assembly, maintenance, inspection and the like are extremely easy, and the number of working steps can be reduced. Especially, for maintenance and inspection, after mounting the base of the mounting base to a high place such as a ceiling or wall surface, remove the base cover and lens body that are connected to the base, connect the power cable and signal cable to the base, and then re-base. The work for connecting the cover and the like is easy.

(2) In the above surveillance camera, the case and the case cover of the camera body are also provided with engaging projections and engaging portions so that they can be attached and detached, so that assembly, maintenance and inspection are further facilitated. Become.

(3) Since a plurality of locking pieces having locking claws are provided on the inner wall of the peripheral edge of the window hole of the case cover of the camera body, and the window glass is attached by the locking pieces, the window glass can be touched with one touch. It can be installed with, and the number of assembly steps can be reduced.

(4) Further, since the mounting base and the camera body are connected by a ball joint having a screw fitting and fixed to the mounting base with a lock nut, the camera body can be widened in a 360 ° range by loosening the lock nut. It can be rotated over. Therefore, the field of view of the camera body can be easily adjusted over a wide range.

(5) The heat radiating plate to which the heating element is attached is fixed to the screw fitting inside the camera body, and a part of the screw fitting is exposed between the mount and the camera body. The heat generated from the heat is transmitted from the heat radiating plate to the screw fittings and radiated from the exposed portion. Therefore, it is possible to suppress the temperature rise in the sealed camera body,
It is possible to obtain a highly reliable surveillance camera by preventing performance deterioration and deterioration of the built-in electric parts.

(6) Since the signal cable drawn into the base of the mounting base is fixed to the mounting portion provided on the base, and its core wire is detachably connected to the connector provided in the vicinity by a one-tutter. It is possible to easily and quickly perform the work of connecting the signal cable when mounting the surveillance camera on the ceiling, the wall surface, or the like.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

3A and 3B show an embodiment of a base, FIG. 3A is a plan view, FIG. 3B is a side view, and FIG. 3C is a sectional view taken along line AA of FIG.

FIG. 4 is a perspective view of an example of a connector used in the present invention.

FIG. 5 is a perspective view of an example of a terminal board used in the present invention.

6A and 6B show an embodiment of a base cover, FIG. 6A is a plan view, FIG. 6B is a side view, and FIG. 6C is a vertical sectional view of FIG.

FIG. 7 shows an embodiment of a lock nut, (a) is a plan view and (b) is a longitudinal sectional view thereof.

8A and 8B show an embodiment of a ball hinge, and FIG. 8A is a plan view and FIG. 8B is a side view showing a part of it in section.

9A and 9B show an embodiment of a case, wherein FIG. 9A is a plan view, FIG. 9B is a side view, and FIG. 9C is a vertical sectional view of FIG. 9A.

FIG. 10 shows an embodiment of a case cover, (a)
Is a plan view, (b) is a side view, (c) is a longitudinal sectional view of (a), and (d) is an enlarged view of a main part.

FIG. 11 is a vertical cross-sectional view showing an assembled state of the mounting base.

12 is a cross-sectional view taken along the line BB of FIG.

FIG. 13 is an enlarged view of a connecting portion between a base and a base cover.

14A and 14B show an embodiment of a heat dissipation plate, FIG. 14A is a plan view and FIG. 14B is a side view.

FIG. 15 is a vertical cross-sectional view showing a coupled state of the case and the ball hinge.

FIG. 16 is a vertical sectional view showing an assembled state of a case and a case cover.

[Explanation of symbols]

1 Mounting Base 11 Bases 14a, 14b Insertion Holes 15, 16, 17, 18 Mounting Parts 19a, 19b, 19c, 86a, 86b, 86c Engaging Protrusion 25 Signal Cable 26 BHC Connector 27 Terminal Board 28 Power Transformer 31 Base Cover 32 Cylindrical Part 33 Male screw 35 Ball receiving part 37,65 Engaging part 38,66 Opening part 39,67 Locking groove 41 Lock nut 42 Female screw 44 Inclined surface 51 Ball hinge 52 Ball body 53 Screw metal fitting 55 Male screw 6 Camera body 61 Case 62 Through hole 70 Heat sink 73a, 73b, 73c Printed circuit board 74 Lens mount 75 Imaging element 76 Heating element 81 Case cover 82 Window holes 84a, 84b, 84c Locking piece 85 Locking claw 87 Window glass

Claims (6)

[Claims] 1. A substantially hemispherical mounting base, which is mounted on a ceiling, a wall surface or the like and is configured to be separable, and which has a required electric component mounting space, and is mounted on the mounting base. A detachable case and a case cover, and a substantially hemispherical camera body having a printed circuit board on which an electric circuit is formed, a lens mount, an image sensor, etc., and a base or a base of the mounting base. A plurality of engagement protrusions are provided on one inner wall of the cover, and an engagement portion into which the engagement protrusion is slidably fitted is provided on the other opening peripheral wall in correspondence with the engagement protrusion. Surveillance camera. 2. A plurality of engaging projections are provided on the inner wall of either the case or the case cover of the camera body,
2. The surveillance camera according to claim 1, wherein an engaging portion into which the engaging projection is slidably fitted is provided on the other peripheral wall of the opening in correspondence with the engaging projection. 3. A mounting base, which is mounted on a ceiling, a wall surface, etc. and is configured to be separable, and a base cover, and has a required space for mounting electric components; and a mounting base mounted on the mounting base so as to be separable. It is composed of a case and a case cover configured, and a camera body with a built-in printed circuit board on which an electric circuit is formed, a lens mount, an image sensor, etc., and is locked to the inner wall of the window cover of the case cover of the camera body. A surveillance camera characterized in that a plurality of locking pieces having claws are provided so as to project, and a window glass is attached to the window hole by the locking pieces. 4. An electric circuit is formed by a mounting base including a base and a base cover having a cylindrical portion having an outer periphery with a screw and an inner wall provided with a ball receiving portion on an inner wall at an upper portion thereof, and a case and the case cover. A camera body with a built-in printed circuit board, lens mount, image sensor, etc., and a ball hinge in which a hollow screw fitting is partially embedded in the ball body. A surveillance camera in which a main body is housed, supported by a ball receiving portion, fixed with a lock nut, and a screw fitting of the ball hinge is attached to a case of the camera main body. 5. A heat dissipation plate to which a heating element is attached is integrally fixed to a screw fitting of a ball hinge attached to the camera body, and a part of the screw fitting is exposed between the camera body and a mounting base. The surveillance camera according to claim 4, wherein the surveillance camera is provided. 6. A printed circuit board and a lens mount, each of which includes a base and a base cover, is attached to a ceiling, a wall surface or the like and is connected to a signal cable, a case and a case cover, and has an electric circuit formed thereon. A built-in image pickup device and the like, and a camera body mounted on the mounting base. The signal cable drawn into the base is fixed to the mounting part provided on the base of the mounting base, and close to the mounting part. A surveillance camera, wherein the signal cable is connected to a connector provided on the printed circuit board in the camera body so that the signal cable can be attached with one touch.