A surveillance camera

Abstract

The present invention relates to the field of camera technology, and specifically to a surveillance camera and a waterproof and anti-fogging method thereof, wherein the surveillance camera comprises a housing, a defogging device, a camera module, a glass cover and a glass liquid spraying device, wherein the defogging device is arranged on the housing and is used to remove the fog on the glass cover, the camera module is arranged on the defogging device and is used for taking pictures, the glass cover is arranged below the camera module and is used to protect the camera module, and the glass liquid spraying device is arranged on the housing and is used to spray glass liquid onto the outer surface of the glass cover. Using the surveillance camera, the glass liquid spraying device can effectively prevent the formation of water droplets on the glass cover that adhere to dust, resulting in the problem that the glass cover needs to be frequently cleaned manually, while the defogging device can effectively prevent the problem of fogging of the glass cover, and the surveillance camera has the advantages of simple operation, low cost and intelligence.

Description

Technical Field

[0001] The present invention relates to the technical field of cameras, and in particular to a monitoring camera and a waterproof and anti-fog method thereof. Background Art

[0002] Surveillance cameras are semiconductor imaging devices with the advantages of high sensitivity, strong light resistance, low distortion, small size, long life, and vibration resistance. Existing surveillance cameras are generally equipped with glass protective covers to isolate the camera from the external environment.

[0003] When building a waste incineration power plant, a visual video surveillance system is usually installed in the garbage pit and slag crane room. However, due to the harsh environment, dust and sewage, ordinary camera protective covers will be covered with pollutants after a period of use in such an environment, making it impossible to shoot live videos. Regular maintenance and dust removal are required, which is costly. At the same time, the protective cover is prone to fogging due to the temperature difference between the inside and outside, making it impossible to shoot live videos in real time.

[0004] Therefore, there is an urgent need for a surveillance camera and a waterproof and anti-fog method thereof. Summary of the invention

[0005] The present invention provides a monitoring camera and a waterproof and anti-fogging method thereof to solve the problems that in harsh environments with a lot of dust and sewage, after an ordinary camera protective cover is used for a period of time, the surface of the camera protective cover will be covered with pollutants, making it impossible to shoot live video, requiring regular maintenance and dust removal by dedicated personnel, with high maintenance costs, and the camera protective cover is prone to fogging.

[0006] In order to achieve the above-mentioned object, the present invention provides a monitoring camera in a first aspect, the monitoring camera comprises a housing, a defogging device, a camera module, a glass cover and a glass liquid spraying device;

[0007] The demisting device is arranged on the housing and is used to remove the mist on the glass cover;

[0008] The camera module is arranged on the defogging device and is used for taking pictures;

[0009] The glass cover is arranged below the camera module to protect the camera module;

[0010] The glass liquid spraying device is arranged on the shell and is used for spraying glass liquid onto the outer surface of the glass cover.

[0011] Preferably, the demisting device comprises an electric heating plate, an electric cooling plate, a cavity, an internal temperature measuring module and an external temperature measuring module;

[0012] The cavity is arranged at the bottom of the shell, a plurality of the electric heating plates and the electric cooling plates are arranged in the cavity at preset intervals, the internal temperature measuring module is arranged on the cavity, and the external temperature measuring module is installed on the outer side wall of the shell.

[0013] Preferably, the cavity is provided with a plurality of through holes.

[0014] Preferably, a fan is provided in the cavity.

[0015] Preferably, the glass liquid spraying equipment comprises a glass liquid tank, a glass liquid pump and a plurality of spraying mechanisms;

[0016] The glass liquid tank is arranged inside the shell, the glass liquid pump is arranged inside the glass liquid tank, and the glass liquid pump is connected to a plurality of the spray mechanisms respectively through spray pipes.

[0017] Preferably, the spray mechanism comprises a support rod, a universal seat and a spray head;

[0018] The glass liquid pump is connected to the nozzles of several spray mechanisms through spray pipes respectively, the support rods of several spray mechanisms are installed on the outer wall of the shell at preset intervals, the universal seat is installed on the support rods, and the nozzles are installed on the universal seat.

[0019] Preferably, the camera module is arranged at a middle position of the bottom of the cavity through a heat insulation plate.

[0020] A second aspect of the present invention provides a waterproof and anti-fog method for a surveillance camera, which is applied to the above surveillance camera, and the method comprises:

[0021] According to the temperature inside and outside the glass cover, the demisting device is used to remove the mist on the glass cover;

[0022] The glass liquid spraying device is used to spray glass liquid onto the outer surface of the glass cover at preset time intervals.

[0023] Preferably, the step of removing the mist on the glass cover by using the demisting device according to the temperature inside and outside the glass cover specifically includes:

[0024] When the temperature inside the glass cover is higher than the temperature outside the glass cover, the demisting device is used to remove the mist on the glass cover in a cooling manner;

[0025] When the temperature inside the glass cover is lower than the temperature outside the glass cover, the demisting device is used to remove the mist on the glass cover in a heating manner.

[0026] Preferably, the preset time is 7 days.

[0027] According to the above technical solution, using the surveillance camera, the glass liquid spraying equipment can effectively prevent the formation of water droplets on the glass cover and the adhesion of dust, which causes the glass cover to need frequent manual cleaning. The defogger equipment can effectively prevent the glass cover from fogging, which has the advantages of simple operation, low cost and intelligence. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of a surveillance camera;

[0029] Figure 2 It is a flow chart of the waterproof and fog-proof method for surveillance cameras.

[0030] Description of Reference Numerals

[0031] Shell 1; defogger 2; camera module 3; glass cover 4; glass liquid tank 5;

[0032] Glass liquid pump 6; support rod 7; universal seat 8; nozzle 9. DETAILED DESCRIPTION

[0033] The specific implementation of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the present invention, and is not used to limit the embodiment of the present invention.

[0034] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating relative importance or implicitly indicating the number of technical features indicated. Therefore, unless otherwise specified, features defined as "first" and "second" may explicitly or implicitly include one or more of the features; "plurality" means two or more. The term "include" and any variation thereof means non-exclusive inclusion, possible presence or addition of one or more other features, units, components and / or combinations thereof.

[0035] In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internally connected between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] A first aspect of the present invention provides a surveillance camera, such as Figure 1 As shown, the surveillance camera includes a housing 1, a defogging device 2, a camera module 3, a glass cover 4 and a glass liquid spraying device;

[0037] The demisting device 2 is arranged on the housing 1 and is used to remove the mist on the glass cover 4;

[0038] The camera module 3 is arranged on the defogging device 2 and is used for taking pictures;

[0039] The glass cover 4 is arranged below the camera module 3 to protect the camera module 3;

[0040] The glass liquid spraying device is arranged on the housing 1 and is used for spraying glass liquid onto the outer surface of the glass cover 4 .

[0041] According to the above technical solution, using the surveillance camera, the glass liquid spraying equipment can effectively prevent the formation of water droplets on the glass cover and the adhesion of dust, which causes the glass cover to need frequent manual cleaning. The defogger equipment can effectively prevent the glass cover from fogging, which has the advantages of simple operation, low cost and intelligence.

[0042] In the surveillance camera of the present invention, screw hole mounting plates are provided at both ends of the top of the housing 1 for mounting the surveillance camera. The glass cover 4 is arranged below the camera module 3 by being mounted on the bottom of the housing 1 .

[0043] In the surveillance camera of the present invention, the defogging device 2 includes an electric heater, an electric cooler, a cavity, an internal temperature measurement module and an external temperature measurement module. The cavity is arranged at the bottom of the housing 1. A plurality of the electric heaters and the electric coolers are arranged in the cavity at preset intervals. The internal temperature measurement module is arranged on the cavity, and the external temperature measurement module is installed on the outer wall of the housing 1. In actual application, the internal temperature measurement module and the external temperature measurement module respectively measure the temperature inside and outside the glass cover 4 in real time, so as to control the function of the electric heater or the electric cooler according to the temperature inside and outside the glass cover 4, so as to stabilize the temperature inside and outside the glass cover 4 within a certain difference range on the basis of ensuring that the glass cover 4 does not fog, avoid the generation of condensed water vapor inside the glass cover 4, and thus prevent fog. Preferably, a plurality of through holes are opened on the cavity at preset intervals, so as to quickly heat up or cool down the inside of the glass cover 4. More preferably, a fan is also arranged in the cavity to further improve the heating or cooling effect, so as to quickly defog.

[0044] In the surveillance camera of the present invention, the glass liquid spraying device includes a glass liquid tank 5, a glass liquid pump 6 and a plurality of spraying mechanisms; the glass liquid tank 5 is arranged inside the housing 1, preferably, a glass liquid adding port is arranged on the surface of the housing 1, the glass liquid pump 6 is arranged inside the glass liquid tank 5, and the glass liquid pump 6 is respectively connected to the plurality of spraying mechanisms through a spray pipe. In a specific embodiment, the spraying mechanism includes a support rod 7, a universal seat 8 and a spray head 9; the glass liquid pump 6 is respectively connected to the spray heads 9 of the plurality of spraying mechanisms through a spray pipe, the support rods 7 of the plurality of spraying mechanisms are installed on the outer wall of the housing 1 at a preset interval, the universal seat 8 is installed on the support rod 7, and the spray head 9 is installed on the universal seat 8. Preferably, the spraying mechanism is 4, which are respectively arranged around the outer surface of the housing 1 to improve the spraying effect. The universal seat 8 is driven by a motor to drive the spray head 9 to rotate at different angles, thereby further improving the spraying effect.

[0045] In the surveillance camera of the present invention, the camera module 3 is arranged at the middle position of the bottom of the cavity through a heat insulation plate, so as to prevent the camera module 3 from being damaged during the heating process of the electric heater and ensure the normal shooting effect of the camera module 3. Preferably, the camera of the camera module 3 can be configured according to the needs of the actual environment to improve the overall durability of the surveillance camera.

[0046] The second aspect of the present invention also provides a monitoring camera waterproof and anti-fog method, which is applied to the above monitoring camera, such as Figure 2 As shown, the method comprises the following steps:

[0047] S1, according to the temperature inside and outside the glass cover 4, using the demisting device 2 to remove the mist on the glass cover 4;

[0048] In step S1, the demisting device 2 is used to remove the mist on the glass cover 4 according to the temperature inside and outside the glass cover 4, which specifically includes: when the temperature inside the glass cover 4 is higher than the temperature outside the glass cover 4, the demisting device 2 is used to remove the mist on the glass cover 4 by cooling; when the temperature inside the glass cover 4 is lower than the temperature outside the glass cover 4, the demisting device 2 is used to remove the mist on the glass cover 4 by heating. More specifically, when the temperature inside the glass cover 4 is higher than the temperature outside the glass cover 4, an electric cooling sheet is used to cool down; when the temperature inside the glass cover 4 is lower than the temperature outside the glass cover 4, an electric heating sheet is used to heat up to remove the mist on the glass cover 4.

[0049] S2. Spraying molten glass onto the outer surface of the glass cover 4 using the molten glass spraying device at preset time intervals.

[0050] In step S2, the preset time is 7 days.

[0051] In the waterproof and anti-fogging method for surveillance cameras described in the present invention, the glass liquid is various hydrophobic glass liquids, and its principle is to increase the contact angle between water droplets and the outer surface of the glass cover 4 by spraying a layer of nanofilm on the outer surface of the glass cover 4, thereby improving the drainage capacity and preventing water from falling off the surface of the glass cover 4 and causing dust adsorption; and by raising and lowering the temperature through the defogging device 2, the fog on the glass cover 4 can be effectively removed; thereby effectively solving the problem that the glass cover 4 needs to be regularly maintained and dusted by a dedicated person, the maintenance cost is high, and the glass cover 4 is prone to fogging.

[0052] The present invention will be described in detail below through examples, but the protection scope of the present invention is not limited thereto.

[0053] Example 1: In a waste incineration power plant environment

[0054] like Figure 1 As shown, the surveillance camera includes a housing 1, a defogging device 2, a camera module 3, a glass cover 4 and a glass liquid spraying device;

[0055] The demisting device 2 is arranged on the housing 1 and is used to remove the mist on the glass cover 4;

[0056] The camera module 3 is arranged on the defogging device 2 and is used for taking pictures;

[0057] The glass cover 4 is arranged below the camera module 3 to protect the camera module 3;

[0058] The glass liquid spraying device is arranged on the housing 1 and is used for spraying glass liquid onto the outer surface of the glass cover 4 .

[0059] Specifically, the defogger device 2 includes an electric heating plate, an electric cooling plate, a cavity, an internal temperature measurement module and an external temperature measurement module; the cavity is arranged at the bottom of the shell 1, and a plurality of the electric heating plates and the electric cooling plates are respectively arranged in the cavity at preset intervals, the internal temperature measurement module is arranged on the cavity, and the external temperature measurement module is installed on the outer wall of the shell 1, a plurality of through holes are opened on the cavity, and a fan is arranged in the cavity.

[0060] The glass liquid spraying equipment includes a glass liquid tank 5, a glass liquid pump 6 and a plurality of spraying mechanisms; the glass liquid tank 5 is arranged inside the housing 1, the glass liquid pump 6 is arranged inside the glass liquid tank 5, and the glass liquid pump 6 is respectively connected to the plurality of spraying mechanisms through spray pipes. The spraying mechanism includes a support rod 7, a universal seat 8 and a spray head 9; the glass liquid pump 6 is respectively connected to the spray heads 9 of the plurality of spraying mechanisms through spray pipes, the support rods 7 of the plurality of spraying mechanisms are installed on the outer wall of the housing 1 at a preset interval, the universal seat 8 is installed on the support rod 7, and the spray head 9 is installed on the universal seat 8. The camera module 3 is arranged at the middle position of the bottom of the cavity through a heat insulation board. Among them, the capacity of the glass liquid tank 5 is 200ml; the number of the spraying mechanisms is specifically 4.

[0061] According to the temperature inside and outside the glass cover 4, the demisting device 2 is used to remove the mist on the glass cover 4;

[0062] The glass liquid spraying device is used to spray glass liquid onto the outer surface of the glass cover 4 every 7 days.

[0063] According to the test, 200 ml of the glass liquid can coat the outer surface of the glass cover 4 with a 6 nm film each time it is sprayed, and the number of sprays can be 5. To ensure the waterproof and dustproof effect, spray once every 7 days, and the interval for replenishing the glass liquid is 35 days. More preferably, the capacity of the glass liquid tank 5 can be increased according to actual needs, so as to further extend the interval for replenishing the glass liquid.

[0064] Conventional surveillance cameras in the prior art, without any treatment, need manual dust removal every 3-5 days in the environment of a waste incineration power plant due to the large amount of sewage and dust, and do not have a defog function, resulting in poor real-time monitoring effect. The application of the surveillance camera provided by the present invention significantly reduces the manual maintenance cost, has a good monitoring effect, and has a good application prospect.

[0065] The monitoring camera and the waterproof and anti-fogging method thereof provided by the present invention can effectively prevent the formation of water droplets on the glass cover and the adhesion of dust based on the glass liquid spraying equipment, so as to cause the problem that the glass cover needs to be frequently cleaned manually, while the defogger equipment can effectively prevent the glass cover from fogging, and the monitoring camera has the advantages of simple operation, low cost and intelligence.

[0066] The preferred embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

Claims

1. A surveillance camera, characterized in that: The monitoring camera comprises a housing (1), a demisting device (2), a camera module (3), a glass cover (4) and a glass liquid spraying device; The demisting device (2) is arranged on the housing (1) and is used to remove the mist on the glass cover (4); The camera module (3) is arranged on the demisting device (2) and is used for taking pictures; The glass cover (4) is arranged below the camera module (3) and is used to protect the camera module (3); The glass liquid spraying device is arranged on the housing (1) and is used to spray glass liquid onto the outer surface of the glass cover (4); The demisting device (2) comprises an electric heating plate, an electric cooling plate, a cavity, an internal temperature measurement module and an external temperature measurement module; The cavity is arranged at the bottom of the shell (1), a plurality of the electric heating plates and the electric cooling plates are arranged in the cavity at preset intervals, the internal temperature measurement module is arranged on the cavity, and the external temperature measurement module is installed on the outer side wall of the shell (1); The cavity is provided with a plurality of through holes; a fan is arranged in the cavity; The glass liquid is a hydrophobic glass liquid, and is used to spray a layer of nanofilm on the outer surface of the glass cover (4) to increase the contact angle between water droplets and the outer surface of the glass cover (4); The glass liquid spraying equipment comprises a glass liquid tank (5), a glass liquid pump (6) and a plurality of spraying mechanisms; The glass liquid tank (5) is arranged inside the housing (1), the glass liquid pump (6) is arranged inside the glass liquid tank (5), and the glass liquid pump (6) is connected to the plurality of spray mechanisms respectively through spray pipes; The spray mechanism comprises a support rod (7), a universal seat (8) and a spray head (9); The glass liquid pump (6) is connected to the nozzles (9) of the plurality of spray mechanisms respectively through spray pipes, the support rods (7) of the plurality of spray mechanisms are mounted on the outer wall of the housing (1) at preset intervals, the universal seat (8) is mounted on the support rod (7), and the nozzles (9) are mounted on the universal seat (8).

2. The surveillance camera according to claim 1, characterized in that: The camera module (3) is arranged at a middle position of the bottom of the cavity via a heat insulation plate.

Images