CN111948883A

CN111948883A - Camera box external device integrating functions of heat dissipation, dust removal and fog removal

Info

Publication number: CN111948883A
Application number: CN202010933819.9A
Authority: CN
Inventors: 彭彬
Original assignee: Harbin Kejia General Mechanical and Electrical Co Ltd
Current assignee: Harbin Kejia General Mechanical and Electrical Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-11-17

Abstract

An external device of a camera box integrating functions of heat dissipation, dust removal and fog removal. The invention relates to the technical field of rail transit. The invention aims to solve the problems that the temperature in the existing camera box is too high, dust and fog are easily generated on the surface of the glass of the camera box, and the photographing effect is influenced. The fan box comprises a fan box body, a fan body and radiating fins, wherein the fan body is arranged in the fan box body, a drainage air inlet hole and an air outlet hole are formed in the fan box body, the radiating fins are arranged on the outer side of the drainage air inlet hole, a guide plate is also arranged on the fan box body, the guide plate is obliquely arranged, an air outlet of the fan body faces the direction of the inner side wall of the guide plate, and the air outlet hole is formed right below the guide plate. The invention is used for acquiring railway track side images.

Description

Camera box external device integrating functions of heat dissipation, dust removal and fog removal

Technical Field

The invention relates to the technical field of rail transit, in particular to an external device of a camera box, which integrates the functions of heat dissipation, dust removal and fog removal.

Background

In order to ensure the photographing quality, the railway photographing equipment needs to use a high-power light source to illuminate the equipment, so that the brightness is improved, and the photographing quality is improved. No matter the camera or the laser, a large amount of heat dissipation can be realized in the use process, the requirements on the use environment are strict, the camera or the laser needs to be placed into a sealed box body for use, the ventilation is inconvenient, the temperature of the camera box is always maintained to be about 60 ℃, the performance of the camera and the laser can be affected due to overhigh temperature, and therefore a heat dissipation device needs to be added outside the camera box. When the temperature difference between the inside and the outside of the camera box is large, or when the surface of the glass is sprayed with water for wiping, the temperature difference can cause the surface of the glass to be fogged, thereby influencing the photographing effect. And at the camera box that the railway used, because the operating mode is abominable, it is inconvenient to maintain, need use the fan to blow to the glass surface of camera box, avoids dust, rainwater to fall to the glass surface, influences the effect of shooing. And the existing equipment can not meet the dust removal and fog removal of the glass surface of the camera box and the heat dissipation function of the camera box, and the photographing effect and normal use of the photographing equipment are influenced.

Disclosure of Invention

The invention aims to solve the problems that the temperature in the existing camera box is too high, dust and fog are easily generated on the surface of the glass of the camera box, and the photographing effect is influenced, and further provides an external device of the camera box, which integrates the functions of heat dissipation, dust removal and fog removal.

The technical scheme adopted by the invention for solving the technical problems is as follows: the fan box comprises a fan box body, a fan body and radiating fins, wherein the fan body is arranged in the fan box body, a drainage air inlet hole and an air outlet hole are formed in the fan box body, the radiating fins are arranged on the outer side of the drainage air inlet hole, a guide plate is also arranged on the fan box body, the guide plate is obliquely arranged, an air outlet of the fan body faces the direction of the inner side wall of the guide plate, and the air outlet hole is formed right below the guide plate.

The invention has the beneficial effects that:

the invention provides an external device of a camera box, which integrates the functions of heat dissipation, dust removal and fog removal, and can be arranged at one side of the camera box to blow the outer surface of the glass of the camera box, and the heat absorbed by a radiating fin is transferred to the outer surface of the glass while blowing off the surface dust, so that the heat dissipation of the camera box can be realized, the fog on the surface of the glass can be removed, the imaging effect of shooting is ensured, the detection performance is improved, the information transfer is more accurate, and the service life of the laser of the camera box is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a bottom view of the blower case 1 of the present invention;

FIG. 3 is a side view of the blower housing 1 of the present invention;

FIG. 4 is a top view of the blower housing 1 of the present invention;

fig. 5 is an isometric view of the heat sink 3 of the present invention.

Detailed Description

The first embodiment is as follows: with reference to fig. 1 to 5, the external camera box device integrating heat dissipation, dust removal and fog removal functions in this embodiment includes a fan box body 1, a fan body 2 and a heat sink 3, the fan body 2 is disposed in the fan box body 1, a drainage air inlet 111 and an air outlet 13 are disposed on the fan box body 1, the heat sink 3 is disposed outside the drainage air inlet 111, a flow guide plate 121 is further disposed on the fan box body 1, the flow guide plate 121 is disposed in an inclined manner, an air outlet of the fan body 2 faces toward an inner side wall of the flow guide plate 121, and the air outlet 13 is disposed under the flow guide plate 121.

The design can be that the external device of camera box is in one side of camera box, exhaust vent 13 is installed and is just right camera box glass surface with camera box glass surface parallel and air-out position, fan body 2 is adorned in fan box body 1 admittedly, guide plate 121 inclines certain angle, make the air current change the flow direction through guide plate 121 along fan box body 1 box wall, make the wind that exhaust vent 13 blew out become perpendicular with the air-out direction of fan body 2, in order to change the flow direction of air current, make the air current directly act on camera box glass's surface.

The second embodiment is as follows: as described with reference to fig. 1 to 4, the blower case body 1 according to the present embodiment includes an air inlet cover plate 11 and an upper cover plate 12, the air inlet cover plate 11 is disposed at a lower end of the upper cover plate 12, the air guide inlet 111 is disposed on the air inlet cover plate 11, the heat sink 3 is fixedly connected to an outer side of the air inlet cover plate 11, and the air guide plate 121 is disposed at a front end of the upper cover plate 12. Other components and connection modes are the same as those of the first embodiment.

In this embodiment, the upper cover plate 12 is a box body with an open lower end, the front end of the upper top plate of the upper cover plate 12 is fixedly connected to the rear end of the guide plate 121, the guide plate 121 is inclined downward from the rear to the front, and two sides of the guide plate 121 are fixedly connected to the side vertical plates of the upper cover plate 12 respectively.

So design makes fan box body 1 form a cavity, and fan body 2 starts the back, and the pressure in the fan box body 1 reduces, and external air current blows off from exhaust vent 13 after guide plate 121 changes the direction by in the air outlet air-out of fan body 2 gets into fan body 2 through drainage inlet port 111 in.

The third concrete implementation mode: as described with reference to fig. 1 to 4, the intake cover 11 and the upper cover 12 according to the present embodiment are connected by a connecting assembly 122. Other components and connection modes are the same as those of the second embodiment.

The connecting assembly 122 comprises a clamping groove, two connecting lug plates and two connecting bolts, the clamping groove is horizontally arranged at the lower end of the inner side wall of the rear side plate of the upper cover plate 12, the inner sides of the lower ends of the two side vertical plates of the upper cover plate 12 are respectively and horizontally fixedly connected with one connecting lug plate, the connecting lug plates are arranged at the front ends of the side vertical plates, the rear end of the air inlet cover plate 11 is inserted into the clamping groove, and each connecting lug plate is fixedly connected with the air inlet cover plate 11 through one connecting bolt.

The fourth concrete implementation mode: as described with reference to fig. 1 and 5, the heat sink 3 according to the present embodiment includes a heat collecting plate 31 and a plurality of fins 32 arranged in parallel, wherein the lower end of each fin 32 is vertically fixed to the upper end surface of the heat collecting plate 31, and the upper end of each fin 32 is vertically fixed to the outer sidewall of the fan case 1. The other components and the connection mode are the same as those of the first embodiment, the second embodiment or the third embodiment.

In this embodiment, fully contact heat collecting plate 31 and camera box when using, in heat transmission to heat collecting plate 31 in the camera box, and then transmit fin 32, fin 32 sets up the outside at drainage inlet hole 111, when fan body 2 during operation, external air current is got into by drainage inlet hole 111 through the clearance between fin 32, after cold air becomes hot-air with hot fin 32 through heat exchange, get into and discharge via exhaust vent 13 in the fan body 2, realize the heat dissipation cooling process of camera box from this, the hot-air effect that discharges through exhaust vent 13 is on camera box glass surface, realize dust removal and clear fog's purpose.

The fifth concrete implementation mode: referring to fig. 1 and 5, the heat sink 3 according to the present embodiment is made of an aluminum alloy. The other components and the connection mode are the same as those of the fourth embodiment.

The aluminum alloy material has light weight, low price and good heat-conducting property, is convenient for heat transfer, and can transfer the heat in the camera box in time.

The sixth specific implementation mode: with reference to fig. 1 to 4, the cross section of the air outlet 13 in this embodiment is smaller than the cross section of the air outlet of the blower body 12. Other components and connection modes are the same as those of the first embodiment.

The design enhances the air pressure at the air outlet 13, and achieves the purposes of rapid dust removal and mist cleaning.

The seventh embodiment: as described with reference to fig. 1 to 4, the outlet 13 of the present embodiment is disposed at the front end of the inlet cover 11. Other components and connection modes are the same as those of the sixth embodiment.

The specific implementation mode is eight: as described with reference to fig. 1 to 4, the air inlet of the blower body 2 according to the embodiment is disposed toward the air inlet hole 111. Other components and connection modes are the same as those of the first embodiment, the second embodiment, the third embodiment, the fifth embodiment, the sixth embodiment or the seventh embodiment.

In the embodiment, the blower body 2 is a direct current blower with an air inlet and an air outlet vertically arranged.

The specific implementation method nine: as described with reference to fig. 1 to 4, the angle between the deflector 121 and the horizontal direction in this embodiment is 45 °. Other components and connecting modes are the same as those of the first embodiment or the second embodiment.

The horizontal direction setting can be followed to the air-out direction of fan body 2 among this embodiment, and the air outlet of fan body 2 blows to guide plate 121, and the contained angle between guide plate 121 and the horizontal direction is 45 settings, and the wind that fan body 2 blew off blows off through changing of guide plate 121 the back, blows off along vertical direction, is used in on the surface of camera box glass.

The detailed implementation mode is ten: as described with reference to fig. 1 to 4, the upper cover plate 12 of the present embodiment has a monolithic structure. Other components and connection modes are the same as those of the second embodiment.

Principle of operation

After laser instrument and camera work a period in the camera box, the box body generates heat, dispels the heat through fin 3, and fan body 2 starts the back, and the air current gets into the fan from the drainage inlet port 111 of the inlet port apron 11 of fan box body 1 through fin 3 for equipment heat dissipation. The air flow blown out by the blower body 2 passes through the guide plate 121 of the upper cover plate 12, so that the air flow blows along the glass surface, the purpose of dust removal is achieved, and meanwhile, dust is prevented from falling onto the glass surface. Because the air current passes through fin 3, takes away the heat of camera box, so the air current temperature is higher, when blowing the glass surface of camera box on, plays the effect to glass surface heating, can balance the inside and outside difference in temperature of camera box, prevents to have a fog, if having a fog, after heating glass, can make the fog dispel with higher speed.

The external device of this camera box utilizes the function of blowing, plays the function of heat dissipation, dust removal, clear fog simultaneously.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims

1. The utility model provides a collection heat dissipation dust removal clear fog function external device of camera box as an organic whole which characterized in that: the external device comprises a fan box body (1), a fan body (2) and radiating fins (3), wherein the fan body (2) is arranged in the fan box body (1), a drainage air inlet hole (111) and an air outlet hole (13) are formed in the fan box body (1), the radiating fins (3) are arranged on the outer side of the drainage air inlet hole (111), a guide plate (121) is further arranged on the fan box body (1), the guide plate (121) is obliquely arranged, the air outlet of the fan body (2) faces towards the inner side wall direction of the guide plate (121), and the air outlet hole (13) is formed under the guide plate (121).

2. The external device of camera box of claim 1, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the fan box body (1) comprises an air inlet cover plate (11) and an upper cover plate (12), the air inlet cover plate (11) is arranged at the lower end of the upper cover plate (12), a drainage air inlet hole (111) is arranged on the air inlet cover plate (11), a radiating fin (3) is fixedly connected to the outer side of the air inlet cover plate (11), and a guide plate (121) is arranged at the front end of the upper cover plate (12).

3. The external device of camera box of claim 2, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the air inlet cover plate (11) is connected with the upper cover plate (12) through a connecting assembly (122).

4. The external device of camera box integrating functions of heat dissipation, dust removal and fog removal as claimed in claim 1, 2 or 3, wherein: the cooling fin (3) comprises a heat collecting plate (31) and a plurality of parallel fins (32) which are arranged in parallel, the lower ends of the fins (32) are vertically and fixedly connected with the upper end face of the heat collecting plate (31), and the upper ends of the fins (32) are vertically and fixedly connected with the outer side wall of the fan box body (1).

5. The external device of camera box of claim 4, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the radiating fins (3) are made of aluminum alloy materials.

6. The external device of camera box of claim 1, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the cross section of the air outlet hole (13) is smaller than that of the air outlet of the fan body (12).

7. The external device of camera box of claim 6, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the air outlet hole (13) is arranged at the front end of the air inlet cover plate (11).

8. The external device of camera box integrating functions of heat dissipation, dust removal and mist removal as claimed in claim 1, 2, 3, 5, 6 or 7, wherein: the air inlet of the fan body (2) is arranged towards the drainage air inlet hole (111).

9. The external device of camera box integrating functions of heat dissipation, dust removal and mist removal as claimed in claim 1 or 2, wherein: the included angle between the guide plate (121) and the horizontal direction is 45 degrees.

10. The external device of camera box of claim 2, which integrates the functions of heat dissipation, dust removal and fog removal, and is characterized in that: the upper cover plate (12) is of an integral structure.