KR200453078Y1 - Apparatus for preventing frost formation and water inflow in Closed-Circuit Television - Google Patents

Abstract

The present invention provides a through hole for preventing condensation phenomenon, wherein a step is formed between an outer end and an inner end while the outer end has an opening larger than the inner end as penetrating into a predetermined portion of the case; By providing a condensation phenomenon and water inflow prevention device of the surveillance camera including a member which is attached to the step between the outer end and the inner end in the condensation prevention through-hole to block the air and block the water, thereby increasing the temperature inside the surveillance camera As a result, the pressure difference with the outside prevents condensation that occurs in the camera window and prevents water from flowing from the outside.

Description

Apparatus for preventing frost formation and water inflow in Closed-Circuit Television}

The present invention relates to a surveillance camera, and more particularly, to prevent the condensation of moisture generated in the camera window portion due to the pressure difference with the outside as the temperature rises inside the surveillance camera. The present invention relates to a condensation phenomenon and a water inflow prevention device of a surveillance camera that can be prevented.

The general CCTV system (closed-circuit television system) mainly consists of three elements such as imaging system, transmission system, and water system, and is used to prevent illegal activities or theft in public facilities such as roads, parking lots, department stores, banks and exhibition halls. It is used to remotely monitor various facilities and security status.

A general type camera or a dome type camera is mainly used for such a surveillance camera. For aesthetic reasons, dome cameras are used in homes, elevators, or indoors in confined spaces, and general cameras are used to prevent illegal acts or theft in public facilities such as the outdoors, airports, exhibition halls, banks, department stores, hotel corridors, and lobbies. Used for.

As such a surveillance camera, a rear case 10 and a front case 16 as shown in Figs. 1 and 3 are used in one example of a general type surveillance camera. In the rear case 10, an inner space 12 in which electronic components and the like are embedded is formed, a through hole 11 for preventing condensation is formed at a side thereof, and a cable hole into which a cable is fitted at the rear thereof. 13) is formed. The condensation preventing penetration hole 14 shown in FIG. 2 is inserted into the condensation preventing penetration hole 11 and bonded to prevent separation of the condensation preventing member 14 from the inside of the rear case 10. Bonding 18 is formed, and an air hole 15 is formed in the center of the condensation preventing tool 14. This condensation preventing tool 14 is made of, for example, rubber or silicone. Here, the condensation phenomenon of the surveillance camera causes condensation (humidity) to occur in the window portion due to the pressure difference with the outside as the internal temperature rises, thereby causing the lens of the surveillance camera to lose the external surveillance function.

In this way, the condensation prevention through-hole 11 is formed in the surveillance camera, and the condensation prevention tool 14 is inserted into the through-hole 11 through the air hole 15. As air is circulated in the furnace, condensation does not occur due to pressure difference from the outside.

However, when the surveillance camera is installed outdoors and rained, the surveillance camera is wet by rain, or even when installed indoors, when the leakage occurs at the installation location of the surveillance camera and the surveillance camera is wet by the leak, There is a problem that water and moisture are introduced into the monitoring camera through the air hole 15 of 14.

Therefore, the present invention is designed to solve the above-mentioned conventional problems, and water is introduced from the outside with the prevention of condensation which occurs in the window portion of the camera due to the pressure difference with the outside as the temperature rises inside the surveillance camera. It is an object of the present invention to provide a condensation phenomenon and a water inflow prevention device of the surveillance camera that can prevent it.

In order to achieve the above object, the condensation phenomenon and the water inflow prevention device of the surveillance camera according to the present invention are penetrated into the inner space in a predetermined portion of the case, and the outer end has a larger opening than the inner end, and the outer end and the inner end. A through hole for preventing condensation on which a step is formed; The condensation prevention through-hole is attached to the step between the outer end and the inner end is characterized in that it comprises a member for penetrating air and blocking water.

In addition, the condensation phenomenon and the water inflow prevention device of the surveillance camera according to the present invention, having a through-hole in the center thereof is inserted in close contact with the outer end of the condensation-preventing through-hole further to prevent the departure of the member Include.

In addition, the member is a Temish sheet (Temish-Sheet), the adhesive is adhered to the step between the outer end and the inner end in the condensation prevention through-hole.

In addition, the release preventing tool is provided with a plurality of protrusions on the outside of the portion corresponding to the inlet side of the outer end when inserted into the condensation preventing through-hole.

In addition, two grooves are formed in portions facing each other on the inner wall of the through hole of the release preventing tool.

According to the present invention configured as described above, by blocking the condensation prevention through-holes with a member that penetrates the air and blocks the water, the humidity in the camera window due to the pressure difference with the outside as the temperature rises inside the surveillance camera In addition to preventing condensation occurring, water can be prevented from flowing in from the outside.

Hereinafter, a condensation phenomenon and a water inflow prevention device of a surveillance camera according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

4 is a schematic cross-sectional view of a rear case of a security camera in which a condensation phenomenon and a water inflow prevention apparatus of the surveillance camera according to the present invention are adopted, and FIG. 5A is a condensation phenomenon and a water inflow prevention apparatus of the surveillance camera according to the present invention. Fig. 5B is a front view of the release prevention tool shown in Fig. 5A, and Fig. 5C is a cross-sectional view taken along line A-A 'of the release prevention tool shown in Fig. 5A, and Fig. 5D is a release view shown in Fig. 5A. 6A and 6B are cross-sectional views and a top view of a Temish-Sheet coated with an adhesive, in which a condensation phenomenon and a water inflow prevention device of a surveillance camera according to the present invention are adopted. 7 is a view illustrating a surveillance camera adopting a condensation phenomenon and a water inflow prevention device of the surveillance camera according to the present invention.

This embodiment illustrates a surveillance camera in which the rear case 20 and the front case 26 are used as an example of the surveillance camera in which the condensation phenomenon and the water inflow prevention device of the surveillance camera according to the present invention are adopted.

The rear case 20 has an inner space 22 in which electronic components and the like are embedded, and a through hole 21 for preventing dew condensation is formed at a side thereof, and a cable hole into which the cable is fitted. 23 is formed.

In the condensation preventing through-hole 21, a step is formed between the outer end and the inner end while the outer end has an opening larger than the inner end.

In the step between the outer end and the inner end in the condensation prevention through-hole 21, as shown in Figures 6a, 6b and 7 as the member through which the air penetrates and blocks the water, the temish sheet 40 is an adhesive ( 42). As such the tenish sheet 40, the thing of Nitoto-Denco company of Japan can be used.

In addition, the condensation-preventing through-hole 21 has a departure prevention device 30 for preventing the detachment of the Tishish sheet 40 in a state where the Tishish sheet 40 is attached to the step between the outer end and the inner end. In addition, it is preferable to be closely inserted.

As shown in FIGS. 5A to 5D, the release preventing tool 30 has a through hole 32 formed in the center thereof, and corresponds to an inlet side of the outer end when inserted into the condensation preventing through hole 21. A plurality of projections 31a, 31b and 31c are formed outside the portion to be formed, and two grooves 33a and 33b are formed in portions facing each other on the inner wall of the through hole 32. Here, it is preferable that the departure prevention tool 30 is made of a plastic synthetic resin such as ABS.

In addition, the plurality of protrusions 31a, 31b, and 31c are intended to increase the adhesion force with the through-holes 21 when they are inserted into the through-holes 21 for preventing condensation, so that they do not easily escape, and the through-holes 32 The two grooves 33a and 33b formed in the inner wall of the separation prevention hole 30 in the condensation prevention through hole 21 as necessary in a state where the escape preventing tool 30 is inserted into the condensation preventing through hole 21. If you want to take out), it is formed by forcibly pulling out by pulling the tool to the groove (33a, 33b).

In the apparatus for preventing condensation and water inflow of the surveillance camera according to the present embodiment, as shown in FIG. 7, in the step between the outer end and the inner end of the through hole 21 for preventing condensation, the temishi sheet 40 is used as an adhesive. In order to prevent the detachment of the Tishish sheet 40, if the escape preventing tool 30 is additionally inserted into the condensation preventing through hole 21, the through hole 32 and the temish of the escape prevention tool 30 are additionally inserted. Air flows between the outside and the inside through the sheet 40 to prevent condensation that may occur in the camera window portion, and also through the through hole 32 of the release prevention device 30 from the outside. Even if this is introduced, the water is prevented from flowing into the interior by the temiche sheet 40.

As described above, according to the present invention, the through-hole for preventing condensation is blocked by a temish sheet, which is a member that penetrates air and blocks water, thereby increasing the temperature inside the surveillance camera. In addition to the prevention of condensation that occurs in the moisture, water can be prevented from flowing in from the outside. In addition, in the state where the temic sheet is attached to the inside of the condensation preventing through-hole, the detachment prevention tool is inserted into the condensation preventing through-hole in close contact to prevent the attached temiche sheet from escaping.

On the other hand, the present invention is not limited to the specific embodiments described above can be carried out by various modifications and variations within the scope not departing from the gist of the present invention. If such modifications and variations are included in the utility model registration claims to be attached, of course, they belong to the present invention.

1 is a schematic cross-sectional view of a rear case of a conventional security camera.

2 is a schematic cross-sectional view of a condensation preventing tool inserted in a condensation preventing through hole of a conventional security camera.

3 is a view illustrating a state in which a condensation prevention tool is inserted into a condensation preventing through hole of a conventional security camera.

4 is a schematic cross-sectional view of a rear case of a security camera in which a condensation phenomenon and a water inflow prevention device of a surveillance camera according to the present invention are adopted.

Figure 5a is a perspective view of the escape prevention device that can be employed in the condensation phenomenon and the water inflow prevention device of the surveillance camera according to the present invention.

FIG. 5B is a front view of the release prevention tool shown in FIG. 5A.

FIG. 5C is a cross-sectional view taken along the line A-A 'of the release preventing tool shown in FIG. 5A.

FIG. 5D is a rear view of the release preventing tool shown in FIG. 5A.

6A and 6B are cross-sectional views and a top view of a Temish-Sheet coated with an adhesive, in which a condensation phenomenon and a water inflow prevention device of a surveillance camera according to the present invention are adopted.

7 is a view illustrating a condensation phenomenon and a water inflow prevention device of the surveillance camera according to the present invention, the selected surveillance camera.

<Description of Symbols for Main Parts of Drawings>

20: rear case 21: through hole

23: cable hole 22: allocation space

26: front case 30: escape prevention

31a ~ 31d: protrusion 32: through hole

33a, 33b: Groove 40: Themish Sheet

42: adhesive

Claims (5)

delete A condensation prevention through-hole having a step formed between the outer end and the inner end while the outer end has an opening larger than the inner end as penetrating into a predetermined portion of the case; A member which is attached to a step between an outer end and an inner end in the condensation preventing through-hole to allow air to pass through and block water; Condensation phenomenon and water inflow prevention device of the surveillance camera, characterized in that it has a through hole in the center and is inserted in close contact with the outer end of the condensation prevention through hole to prevent the separation of the member. The method of claim 2, The member is a Temish sheet (Temish-Sheet), the condensation phenomenon and water inflow prevention apparatus of the surveillance camera, characterized in that the adhesive step is bonded to the step between the outer end and the inner end in the condensation prevention through-hole. The method of claim 2, The escape prevention device is a condensation phenomenon and water inflow prevention device of the surveillance camera, characterized in that a plurality of projections are formed on the outside of the portion corresponding to the inlet side of the outer end when inserted into the condensation preventing through-hole. The method of claim 2, Condensation phenomenon and water inflow prevention device of the surveillance camera, characterized in that two grooves are formed in the inner wall of the through-hole of the separation prevention portion facing each other.

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