CN217590925U

CN217590925U - Anti-fog camera aging detection fire protection device

Info

Publication number: CN217590925U
Application number: CN202221637198.0U
Authority: CN
Inventors: 杨永斌; 刘阳; 胡日查; 滕达; 汪玉荃
Original assignee: Beijing Zhongnengda Technology Co Ltd
Current assignee: Beijing Zhongnengda Technology Co Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-14
Anticipated expiration: 2032-06-28

Abstract

The utility model provides an antifog camera aging testing firebreak device, including the camera body, be fixed in inside circuit board of camera body, the temperature detect switch and the temperature sensor of electric connection on the circuit board, camera body lateral wall fixed mounting has the installation shell, the inside sodium bicarbonate powder that is provided with of installation shell. The utility model discloses in, adopt temperature detect switch and temperature sensor, can cut off the power supply in advance when the circuit temperature is too high unusual, prevent the conflagration hidden danger that antifog camera high temperature leads to when the inside temperature of installation shell reaches 50 ℃, sodium bicarbonate subassembly decomposes into carbon dioxide gas, and external atmospheric pressure is overcome to the closing plate under gaseous pressure, to this internal fire-retardant gas of carrying of camera, can realize active fire-retardant, avoids taking place the conflagration, dual fire prevention measure, and the effect is better.

Description

Anti-fog camera aging detection fire protection device

Technical Field

The utility model belongs to the technical field of antifog camera aging testing technique and specifically relates to an antifog camera aging testing firebreak device is related to.

Background

The camera is also called a computer camera, a computer eye, an electronic eye and the like, is a video input device, and is widely applied to aspects such as video conferences, telemedicine, real-time monitoring and the like. In recent years, monitoring systems are continuously built in China, monitoring cameras are arranged on roads and intersections, the cameras are arranged outdoors for a long time, and antifog cameras generally adopt a lens heating evaporation mode to remove water mist.

The problems existing in the prior art are as follows: the anti-fog camera has potential safety hazard when ageing, and the ageing calorific capacity of components and parts in the anti-fog camera is big, and light person's equipment damages, causes the conflagration when serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-fog camera aging testing firebreak device to solve the technical problem who exists among the prior art.

In order to solve the technical problem, the utility model provides a pair of antifog camera aging testing firebreak device, including the camera body, be fixed in inside circuit board of camera body, the temperature detect switch and the temperature sensor of electric connection on the circuit board, camera body lateral wall fixed mounting has the installation shell, the inside sodium bicarbonate powder that is provided with of installation shell.

Preferably, a partition board is fixedly installed inside the installation shell, and the sodium bicarbonate powder is arranged between the partition board and the inner wall of the installation shell.

Preferably, an opening is formed in the partition plate, a matched sealing plate is movably arranged in the opening, and the sealing plate is connected with the partition plate through two groups of elastic assemblies.

Preferably, each group of elastic assemblies comprises a guide rod fixed on the side wall of the partition board, the guide rod is sleeved with a connecting strip, one end of the connecting strip is fixedly connected with the sealing plate, the guide rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the partition board and the connecting strip.

Preferably, the guide rod is a round rod, and the surface of the guide rod is polished.

Preferably, a sealing gasket is arranged at the sealing plate.

Preferably, one end of the mounting shell is fixedly connected with an air inlet pipe, an air inlet hole is formed in the surface of the camera body, and the air inlet pipe is matched with the air inlet hole.

Preferably, the inner wall of the air inlet hole is provided with a sealing gasket.

Preferably, the rear end of the camera body is fixedly connected with a support.

Preferably, the mounting shell and the camera body are fixedly mounted through bolts.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses in, adopt temperature detect switch and temperature sensor, can cut off the power supply in advance when the circuit temperature is too high unusual, prevent the conflagration hidden danger that antifog camera high temperature leads to when the inside temperature of installation shell reaches 50 ℃, sodium bicarbonate subassembly decomposes into carbon dioxide gas, and external atmospheric pressure is overcome to the closing plate under gaseous pressure, to this internal fire-retardant gas of carrying of camera, can realize active fire-retardant, avoids taking place the conflagration, dual fire prevention measure, and the effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural view of a mounting shell dismounting state of an anti-fog camera aging detection fire protection device provided by the embodiment of the utility model;

fig. 2 is an assembly structure view of an anti-fog camera aging detection fire protection device provided by the embodiment of the utility model;

fig. 3 is an internal structure view of an installation shell of an anti-fog camera aging detection fire protection device provided by the embodiment of the utility model;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a front view section schematic diagram of an anti-fog camera aging detection fire protection device provided by the embodiment of the utility model.

Reference numerals are as follows: 1. a support; 2. a camera body; 3. mounting a shell; 4. an air inlet; 5. an air inlet pipe; 6. sodium bicarbonate powder; 7. a partition plate; 8. an opening; 9. a sealing plate; 10. a connecting strip; 11. a guide bar; 12. a spring; 13. a circuit board; 14. a temperature control switch; 15. a temperature sensor.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The present invention will be further explained with reference to specific embodiments.

As shown in fig. 1 to 5, the anti-fog camera aging detection fire protection device provided by this embodiment includes a camera body 2, a circuit board 13 fixed inside the camera body 2, and a temperature control switch 14 electrically connected to the circuit board 13, wherein the temperature control switch has a bimetal as a temperature sensing element, when a load works normally, the bimetal maintains an original state without any change, when an abnormal temperature of the load rises, the bimetal acts to control the contacts to be disconnected so as to achieve the effect of controlling the circuit to be powered on, and when the temperature returns to normal, the temperature switch is powered on again automatically, which can perform a cycle protection. The temperature sensor can also be made into a high-current type and placed in a large-capacity transformer winding to serve as overtemperature early warning and temperature protection elements) and a temperature sensor 15 (a thermistor can be adopted here, the thermistor is a type of a sensitive element, the resistance value of the thermistor can be changed along with the change of temperature, the thermistor is different from a common fixed resistor and belongs to a type of a variable resistor, the thermistor is widely applied to various electronic components, the thermistor is a resistance value output type temperature detection element, the temperature measurement range of the thermistor is narrow, but the precision is high and is mainly used for common temperature measurement), an installation shell 3 is fixedly installed on the side wall of the camera body 2 (the installation shell 3 and the camera body 2 are made of fireproof materials), the installation shell 3 and the camera body 2 are fixedly installed through bolts, and sodium bicarbonate powder 6 is arranged inside the installation shell 3.

Due to the adoption of the temperature control switch 14 and the temperature sensor 15, the temperature sensor 15 can monitor the circuit temperature, when the temperature reaches high temperature (the circuit board 13 can be burnt out at about 200 ℃, but elements on the circuit board 13 are generally burnt out at 70 ℃, for example, the upper limit temperature of some capacitors is only 70 ℃, for example, the capacitors close to a radiating fin or a high-power heating device are easy to damage, the alarm value of the temperature sensor 15 can be set according to the actual condition), signals are transmitted to the temperature control switch 14, the temperature control switch 14 can be powered off in advance when the temperature of the circuit is overhigh and abnormal, the fire hazard caused by overhigh temperature of an anti-fog camera is prevented, meanwhile, when the temperature inside the mounting shell 3 reaches 50 ℃, the sodium bicarbonate component is decomposed into carbon dioxide gas, the sealing plate 9 overcomes the external atmospheric pressure under the pressure of the gas, and transmits flame retardant gas into the camera body 2, so that active flame retardance can be realized, small flames can be extinguished at the first time, the fire hazard is avoided, double fire prevention measures are adopted, the effect is better, and the safety performance is high.

Inside fixed mounting of installation shell 3 has baffle 7, sodium bicarbonate powder 6 sets up between baffle 7 and installation shell 3 inner wall, opening 8 has been seted up on the baffle 7, the inside activity of opening 8 is provided with the closing plate 9 of matching, be connected through two sets of elastic component between closing plate 9 and the baffle 7, every elastic component of group is including the guide arm 11 that is fixed in 7 lateral walls of baffle, connecting strip 10 has been cup jointed on the guide arm 11, connecting strip 10 one end and closing plate 9 fixed connection, spring 12 has been cup jointed on the guide arm 11, spring 12 both ends respectively with baffle 7, connecting strip 10 fixed connection.

The step of specifically retarding the flame through sodium bicarbonate powder 6 is, when the inside temperature of installation shell 3 reached 50 ℃, the sodium bicarbonate subassembly decomposed into carbon dioxide gas, and gas promotes closing plate 9 and moves, and closing plate 9 shifts out from opening 8 in, and the carbon dioxide gas of this moment decomposing passes through this opening 8, gets into inlet port 4 via intake pipe 5, finally gets into inside this camera body 2, realizes the fire-retardant purpose to the conflagration.

The guide rod 11 is a round rod, and the surface of the guide rod 11 is polished, so that the sealing plate 9 is pushed away more easily by gas, and the purpose of gas inlet is achieved.

The sealing plate 9 is provided with a sealing gasket to ensure that the sodium bicarbonate powder 6 cannot leak from the opening 8 when not leaking.

3 one end fixedly connected with intake pipe 5 of installation shell, inlet port 4 has been seted up on 2 surfaces of camera body, and intake pipe 5 matches each other with inlet port 4, and this inlet port 4 realizes the intercommunication purpose with this intake pipe 5, and the sodium bicarbonate subassembly decomposes into carbon dioxide gas. The gas enters the inside of the camera body 2 through the gas inlet pipe 5 and the gas inlet hole 4.

The inner wall of the air inlet hole 4 is provided with a sealing gasket, so that the leakage of carbon dioxide gas is avoided, and the carbon dioxide gas fully enters the camera body 2.

The rear end of the camera body 2 is fixedly connected with a support 1, and the support 1 is arranged to connect the camera body 2 with external equipment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an antifog camera ageing detection firebreak device, its characterized in that, includes camera body (2), is fixed in circuit board (13) of camera body (2) inside, temperature detect switch (14) and temperature sensor (15) of electric connection on circuit board (13), camera body (2) lateral wall fixed mounting has installation shell (3), installation shell (3) inside is provided with sodium bicarbonate powder (6).

2. The anti-fog camera aging detection fireproof device according to claim 1, wherein a partition plate (7) is fixedly installed inside the installation shell (3), and the sodium bicarbonate powder (6) is arranged between the partition plate (7) and the inner wall of the installation shell (3).

3. The anti-fog camera aging detection fire protection device according to claim 2, wherein an opening (8) is formed in the partition plate (7), a matching sealing plate (9) is movably arranged in the opening (8), and the sealing plate (9) is connected with the partition plate (7) through two sets of elastic components.

4. The anti-fog camera aging detection fire protection device according to claim 3, wherein each group of elastic assemblies comprises a guide rod (11) fixed on the side wall of the partition plate (7), a connecting strip (10) is sleeved on the guide rod (11), one end of the connecting strip (10) is fixedly connected with the sealing plate (9), a spring (12) is sleeved on the guide rod (11), and two ends of the spring (12) are respectively fixedly connected with the partition plate (7) and the connecting strip (10).

5. The anti-fog camera aging detection fireproof device according to claim 4, wherein the guide rod (11) is a round rod, and the surface of the guide rod (11) is polished.

6. The anti-fog camera aging detection fireproof device according to claim 4, wherein a sealing gasket is arranged at the sealing plate (9).

7. The anti-fog camera aging detection fireproof device according to claim 6, wherein an air inlet pipe (5) is fixedly connected to one end of the mounting shell (3), an air inlet hole (4) is formed in the surface of the camera body (2), and the air inlet pipe (5) is matched with the air inlet hole (4).

8. The anti-fog camera aging detection fireproof device according to claim 7, wherein a sealing gasket is arranged on the inner wall of the air inlet hole (4).

9. The anti-fog camera aging detection fireproof device according to claim 1, wherein a bracket (1) is fixedly connected to the rear end of the camera body (2).

10. The anti-fog camera aging detection fireproof device according to claim 1, wherein the mounting shell (3) and the camera body (2) are fixedly mounted through bolts.