CN111541836B

CN111541836B - Dust removal heat dissipation type watch-dog

Info

Publication number: CN111541836B
Application number: CN202010389476.4A
Authority: CN
Inventors: 王玉林; 谢甜甜
Original assignee: Huaibei Zhongyi Photoelectric Technology Co Ltd
Current assignee: Jiangxi Xinshijie Technology Co ltd
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2021-12-10
Anticipated expiration: 2040-05-10
Also published as: CN111541836A

Abstract

The invention discloses a dust-removing and heat-dissipating type monitor, which comprises a casing, an inner wall of the casing is symmetrically provided with a transmitting slot and a receiving slot, and a light source and a photoresistor are respectively fixed on the inner walls of the transmitting slot and the receiving slot. A movable cavity is opened on the side wall, a heating box is fixed at the bottom of the movable cavity, a heating sheet is fixed inside the heating box, a cooling box is fixed on the top of the movable cavity, and a heat insulation plate is fixed on the inner wall of the cooling box , a plurality of partitions arranged at equal intervals are fixed together on the outer walls of the cooling box and the heating box on both sides. The advantage is: when the dust on the surface of the monitor lens hinders the shooting, the light emitted by the light source will not be able to irradiate the photoresistor well, causing the resistance of the photoresistor to change, and then generating wind to clean the dust, so that the dust can be collected in time. Clean up, so that the dust will not accumulate for a long time and make the shooting completely impossible, thus ensuring the normal use of the monitor.

Description

Dust removal heat dissipation type watch-dog

Technical Field

The invention relates to the technical field of monitors, in particular to a dust removal and heat dissipation type monitor.

Background

The monitor is a generic term for recording and storing video and audio signals by using a camera storage device. With the increasing popularity of closed circuit monitoring in civil and commercial applications, surveillance cameras are widely used in various fields, and play a role in protecting driving and navigation for enterprise management and social security. The monitor is widely applied to residential houses, building villas, shopping malls and financial rooms. For each different application area, a different type of monitor is required.

The watch-dog is indispensable in urban road construction, can restore the live condition of traffic through the surveillance video, thereby can play certain constraint effect to the vehicle and improve traffic safety, but current watch-dog receives the influence of the raise dust that the vehicle drove and bring easily on the road for the operation is shot in the unable normal completion control of watch-dog camera lens, thereby very big influence the traffic problem treatment effect, consequently need a dust type watch-dog that can effectively clear up watch-dog surface dust urgently.

Disclosure of Invention

The invention aims to solve the problem that a monitor in the prior art is easily affected by dust and cannot shoot normally, and provides a dust removal and heat dissipation type monitor.

In order to achieve the purpose, the invention adopts the following technical scheme: a dust removal and heat dissipation type monitor comprises a shell, wherein an emission groove and a receiving groove are symmetrically formed in the inner wall of the shell, the inner walls of the emission groove and the receiving groove are respectively fixed with a light source and a photoresistor, the side wall of the shell is provided with a movable cavity, a heating box is fixed at the bottom of the movable cavity, a heating sheet is fixed in the heating box, a cooling box is fixed at the top of the movable cavity, the inner wall of the cooling box is fixed with a heat insulation plate, the outer walls of the two sides of the cooling box and the heating box are jointly fixed with a plurality of partition plates which are arranged at equal intervals, every two adjacent partition plates, the cooling box and the heating box jointly form a closed power cavity, a power mechanism is arranged in each power cavity, two air chambers are symmetrically arranged on the side wall of the shell, the upper ends of the air chambers are all penetrated through to form air inlet holes, and the side wall of the lower end of each air chamber is penetrated through to form an air blowing groove communicated with the inside of the shell.

In foretell dust removal heat dissipation type watch-dog, power unit is including being fixed in the crisscross board on the activity intracavity wall, the lower part lateral wall of crisscross board runs through and has seted up the backward flow hole, the upper end of crisscross board runs through and has seted up the eruption hole, the inner wall in eruption hole is connected with the baffle through the torsional spring rotation, the inner wall in activity chamber runs through to be inserted and is equipped with and corresponds the pivot that the rotation of side wind intracavity wall is connected, the pivot is located one section circumference lateral wall in power intracavity portion and is fixed with a plurality of atress boards, the pivot is located one section circumference lateral wall in wind intracavity portion and is fixed with a plurality of wind-up boards.

In the dust removal heat dissipation type monitor, each power cavity is filled with dichloromethane solution, the cooling box is filled with cooling liquid, the heat insulation plates are located at the inner top and the inner bottom of the cooling box, each staggered plate is of a Z-shaped structure and divides the corresponding power cavity into an upper closed space and a lower closed space, and a one-way valve is fixed inside each backflow hole.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, when dust on the surface of the lens of the monitor obstructs shooting, light emitted by the light source cannot well irradiate the photoresistor, so that the resistance value of the photoresistor is changed, and then wind power is generated to clean the dust, so that the dust can be cleaned in time, the dust cannot be gathered for a long time, the shooting cannot be carried out thoroughly, and the normal use of the monitor is further ensured;

2. according to the invention, the cooling liquid is filled in the cooling box, so that the gasified dichloromethane can be rapidly condensed to recover the liquid state, and when long-time cleaning is needed, the dichloromethane solution at the lower part of the power cavity can be timely supplemented when the dichloromethane solution is gasified, thus ensuring the continuous flow of air flow, realizing continuous blowing to the lens of the monitor, ensuring that the dust on the surface of the monitor is thoroughly treated, and ensuring the function of the monitor;

3. in the invention, when the water mist appears on the surface of the lens of the monitor to influence the use of the monitor, the light emitted by the light source is refracted when passing through the water mist, so that the light cannot accurately enter the receiving groove, the effect of cleaning the water mist on the surface of the lens by wind power can also be realized, and the air in the air cavity continuously receives the heat in the power cavity in the flowing process, so that the temperature is relatively high, the lens can be heated, so that the water mist can be quickly dissipated, and the normal use of the monitor is ensured;

4. in the invention, when the temperature of the external environment is higher, dichloromethane can receive heat which is difficult to radiate during the operation inside the monitor, so that the temperature inside the monitor is reduced through self-gasification, the normal work of the monitor is ensured, the flowing speed of the gas around the monitor is increased through the flowing of the airflow inside the air cavity, and the ambient temperature is increased, thereby improving the internal high temperature capability of the monitor.

Drawings

FIG. 1 is a schematic structural diagram of a dust removal and heat dissipation type monitor according to the present invention;

FIG. 2 is a sectional view taken along the direction A in FIG. 1;

FIG. 3 is a cross-sectional view taken along the direction B in FIG. 2;

fig. 4 is an enlarged schematic view of the interlaced plate portion in the dust-removing heat-dissipation type monitor according to the present invention.

In the figure: the device comprises a shell 1, an emission groove 2, a receiving groove 3, a light source 4, a photoresistor 5, a movable cavity 6, a heating box 7, a heating sheet 8, a staggered plate 9, a backflow hole 10, a blowout hole 11, a baffle plate 12, a cooling box 13, a heat insulation plate 14, an air cavity 15, an air inlet hole 16, a rotating shaft 17, an air starting plate 18, a stress plate 19, an air blowing groove 20 and a partition plate 21.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a dust removal and heat dissipation type monitor comprises a housing 1, wherein an emission groove 2 and a receiving groove 3 are symmetrically formed on the inner wall of the housing 1, a light source 4 and a photo resistor 5 are respectively fixed on the inner walls of the emission groove 2 and the receiving groove 3, a movable cavity 6 is formed on the side wall of the housing 1, a heating box 7 is fixed at the bottom of the movable cavity 6, a heating plate 8 is fixed inside the heating box 7, a cooling box 13 is fixed at the top of the movable cavity 6, a heat insulation plate 14 is fixed on the inner wall of the cooling box 13, a plurality of partition plates 21 which are arranged at equal intervals are jointly fixed on the outer walls of two sides of the cooling box 13 and the heating box 7, each two adjacent partition plates 21, the cooling box 13 and the heating box 7 jointly form a closed power cavity, a power mechanism is arranged inside each power cavity, two air cavities 15 are symmetrically formed on the side wall of the housing 1, air inlets 16 are formed at the upper ends of the two air cavities 15, the air inlet 16 is located the one end that the wind chamber 15 kept away from the light source 4, and the lower extreme lateral wall of two wind chambers 15 all runs through and sets up the blowing groove 20 with the inside intercommunication of shell 1, and the camera lens of watch-dog is aimed at to blowing groove 20.

Power unit is including being fixed in crisscross board 9 on the 6 inner walls in activity chamber, the lower part lateral wall of crisscross board 9 runs through and has seted up backward flow hole 10, the upper end of crisscross board 9 runs through and has seted up eruption hole 11, the inner wall of eruption hole 11 rotates through the torsional spring and is connected with baffle 12, the inner wall of activity chamber 6 runs through to be inserted and is equipped with and corresponds the pivot 17 that the rotation of the 15 inner walls in side wind chamber is connected, pivot 17 is located one section circumference lateral wall in power intracavity portion and is fixed with a plurality of atress boards 19, pivot 17 is located one section circumference lateral wall in wind chamber 15 inside and is fixed with a plurality of windshields 18.

Every power intracavity portion all fills has dichloromethane solution, the inside packing of cooler bin 13 has the coolant liquid, heat insulating board 14 is located cooler bin 13's interior top and interior bottom, through the isolated external environment of heat insulating board 14 and the inside heat of watch-dog, make its inside coolant liquid can guarantee the cooling to gasification back dichloromethane, every crisscross board 9 all is "Z" shape structure and will correspond power chamber and cut apart into two upper and lower enclosure spaces, "Z" shape structure can avoid the dichloromethane after the liquefaction to seal eruption hole 11 and cause the air current circulation not smooth, every backward flow hole 10 is inside all to be fixed with the check valve, it has power chamber upper portion to lower part to lead to, realize the backward flow of dichloromethane after the condensation.

In the invention, when the monitor is normally used, light emitted by the light source 4 is directly emitted into the receiving groove 3 and then is received by the photoresistor 5, so that the resistance value of the photoresistor 5 is increased, the heating sheet 8 is almost in a power-off state and does not generate heat, when a certain amount of dust is adhered to the surface of the lens of the monitor, the light emitted by the light source 4 is blocked and scattered by the dust, the intensity of the light irradiated on the photoresistor 5 is weakened, the resistance value of the photoresistor is qualitatively changed and then sharply reduced, the heating sheet 8 is quickly heated after being electrified, dichloromethane in the power cavity is heated by heat emitted by the heating sheet 8, dichloromethane solution is heated and gasified, the air pressure at the lower part of the power cavity is gradually increased, the baffle plate 12 overcomes the elasticity of the torsion spring to rotate under the action of the air pressure, and then the spraying hole 11 is opened, the gasified dichloromethane enters the upper half part of the power cavity, the air pressure at the lower part of the power cavity keeps higher due to the blocking of the baffle plate 12, the eruption hole 11 is continuously opened, the airflow flows at high speed, and when the air pressure at the lower part of the power cavity is slowly increased, the air pressure after the airflow is sprayed is in a lower state within a certain time, so that the airflow enters the upper half part of the power cavity and is in an intermittent spraying state;

no matter the airflow passes through the spraying holes 11 at high speed or is sprayed intermittently, the impact force is strong, and then when the air flow contacts the stress plate 19 after being sprayed out, the stress plate 19 is pushed to rotate, thereby driving the rotating shaft 17 to rotate, and the rotating shaft 17 drives the windward plate 18 to rotate, so that the windward plate 18 continuously pushes the airflow in the air cavity 15 to flow through rotation, so that the air flow in the air cavity 15 is sprayed out from the air blowing groove 20 and the external air flow continuously enters from the air inlet hole 16, the air flow is continuously sprayed out from the air blowing groove 20, the dust cleaning is carried out on the lens of the monitor by the sprayed air flow, so that the dust on the surface of the monitor does not obstruct the shooting function of the monitor any more, after dust is cleaned, light generated by the light source 4 can smoothly enter the receiving groove 3, so that the resistance value of the photosensitive resistor 5 is increased, and the heating sheet 8 does not heat any more;

the methylene chloride entering the upper half of the power chamber through the burst holes 11 will come into contact with the cooling tank 13, thereby leading the gasified dichloromethane to be cooled and condensed, and then the liquid state is kept at the upper half part of the power cavity, when the heating sheet 8 stops heating, the dichloromethane solution at the lower part of the power cavity is not gasified any more, so that the air pressure is reduced, the dichloromethane after the upper part is gasified returns to the initial position through the reflux hole 10, when more dust appears on the surface of the shell 1 and needs longer wind power to blow, the gasified dichloromethane is quickly liquefied through the quick cooling of the cooling liquid in the cooling box 13, after the liquid dichloromethane at the lower part of the power cavity is gasified, the liquefied dichloromethane at the upper part can be quickly supplemented, thereby ensuring continuous airflow flow, realizing continuous rotation of the rotating shaft 17 and further ensuring the effect of solving the problem of dust on the surface of the monitor through continuous blowing of wind power;

when the water mist appears on the surface of the lens of the monitor to influence the use of the monitor, the light emitted by the light source 4 is refracted when passing through the water mist, so that the light cannot accurately enter the receiving groove 3, the effect of cleaning the water mist on the surface of the lens by wind power can also be realized, the air in the air cavity 15 continuously receives the heat in the power cavity in the flowing process, the temperature is relatively high, the lens can be heated, the water mist can be quickly dissipated, and the normal use of the monitor is ensured;

when external environment temperature is higher, dichloromethane will accept the heat that the inside operation of watch-dog is difficult to give off to reduce the inside temperature of watch-dog through the gasification of self, guarantee watch-dog normal work, and accelerate the flowing speed of monitor surrounding gas through the flow of the inside air current of wind chamber 15 will be its ambient temperature, thereby improve the interior high temperature ability of watch-dog.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a dust removal heat dissipation type watch-dog, includes shell (1), its characterized in that, launching groove (2) and receiving tank (3) have been seted up to the inner wall symmetry of shell (1), the inner wall of launching groove (2) and receiving tank (3) is fixed with light source (4) and photo resistance (5) respectively, movable chamber (6) have been seted up to the lateral wall of shell (1), the bottom in activity chamber (6) is fixed with heating box (7), the inside of heating box (7) is fixed with heating plate (8), the top in activity chamber (6) is fixed with cooling box (13), cooling box (13) inner wall is fixed with heat insulating board (14), the both sides outer wall of cooling box (13) and heating box (7) is fixed with a plurality of equidistant baffle (21) that set up jointly, every two adjacent baffle (21) all constitute inclosed power chamber jointly with cooling box (13) and heating box (7), each power cavity is internally provided with a power mechanism, the side wall of the shell (1) is symmetrically provided with two air cavities (15), the upper ends of the two air cavities (15) are respectively provided with an air inlet hole (16) in a penetrating manner, the air inlet holes (16) are positioned at one ends of the air cavities (15) far away from the light source (4), the side walls of the lower ends of the two air cavities (15) are respectively provided with an air blowing groove (20) in a penetrating manner, the air blowing grooves (20) are aligned to a lens of the monitor;

the power mechanism comprises a staggered plate (9) fixed on the inner wall of the movable cavity (6), the lower side wall of the staggered plate (9) is provided with a reflux hole (10) in a penetrating way, the upper end of the staggered plate (9) is provided with a eruption hole (11) in a penetrating way, the inner wall of the hair spray hole (11) is rotationally connected with a baffle plate (12) through a torsion spring, the baffle plate (12) overcomes the elasticity of the torsion spring to rotate under the action of air pressure, so that the eruption hole (11) is opened, the gasified dichloromethane can enter the upper half part of the power cavity, a rotating shaft (17) which is rotatably connected with the inner wall of the corresponding side air cavity (15) is inserted through the inner wall of the movable cavity (6), a plurality of stress plates (19) are fixed on the circumferential side wall of one section of the rotating shaft (17) positioned in the power cavity, a plurality of wind-starting plates (18) are fixed on the circumferential side wall of one section of the rotating shaft (17) positioned in the wind cavity (15);

every power intracavity portion all fills has dichloromethane solution, the inside packing of cooler bin (13) has the coolant liquid, heat insulating board (14) are located on the interior top and the interior bottom of cooler bin (13), every crisscross board (9) all are "Z" shape structure and will correspond power chamber and cut apart into two upper and lower enclosure spaces, every backflow hole (10) inside all is fixed with the check valve, accesss to by power chamber upper portion to lower part for dichloromethane after the gasification of upper portion returns initial position through backflow hole (10), realizes the backward flow of dichloromethane after the condensation.