Exhaust flue opening infrared radar disguise device

Abstract

An infrared radar camouflage device for an exhaust flue opening belongs to the field of camouflage protection devices. The camouflage device comprises a water cooling assembly and an air cooling assembly which are connected in a welded mode. The water cooling assembly comprises a water inlet pipe connector, a water inlet pipe, a water outlet pipe connector, a water outlet pipe and a plurality of parallel hollow pipes. The hollow pipe, the water inlet pipe joint, the water inlet pipe, the water outlet pipe joint and the water outlet pipe are connected through welding and are internally communicated; the air cooling assembly comprises an air nozzle assembly, a metal cavity, a metal partition plate, an air inlet and a screw mounting hole; the metal cavity is divided into an upper cavity and a lower cavity by the metal partition plate, and air holes are uniformly formed in the metal partition plate; an air jet hole is formed in the upper surface of the upper cavity of the metal cavity; an air jet hole assembly is correspondingly mounted on each air jet hole, the air jet hole assemblies and the hollow pipes are alternately arranged, and the air jet hole assemblies are connected to the upper surface of the air cooling assembly through screw mounting holes. By means of the water cooling and air cooling dual-cooling mode, the camouflage effect on the exhaust flue opening can be rapidly and efficiently achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of camouflage protection devices, and particularly relates to an infrared and radar camouflage device for a smoke exhaust port. BACKGROUND

[0002] China has vast territory, rich geological types and complex conditions, underground engineering occupies an important position in the field of engineering construction in China, and is widely used in the fields of railway, water conservancy, mining, military, highway, subway, submarine tunnel, residence and the like. The most commonly used diesel generator set for underground engineering power emergency protection is convenient to use and has low cost. At the same time, it also often causes some other problems. When the diesel generator runs at full load, the exhaust temperature is greater than 500 DEG C. When the exhaust gas is directly discharged in the underground engineering, the temperature difference between the exhaust gas and the outdoor temperature is large, and the infrared sign is obvious. For military construction, it is impossible to achieve the purpose of concealment and camouflage. Moreover, for some special places, there are strict requirements for infrared camouflage. It is necessary to require that the exhaust port wall surface is close to the background environment temperature during the exhaust gas discharge process, so as to avoid the exposure of the hot infrared characteristics caused by the heating of the exhaust port wall surface by the exhaust gas.

[0003] The existing exhaust gas treatment method for high-temperature exhaust gas of the exhaust port mainly includes spraying and smoke elimination. This method directly realizes the exhaust of the waste gas in the form of cooling liquid to achieve the effect of infrared camouflage, and needs extremely complex structure and perfect engineering supporting resources. Although the temperature of the exhaust gas is greatly reduced after the spraying and smoke elimination, the temperature of the exhaust gas is usually about 80 DEG C. However, the exhaust gas at about 80 DEG C can still cause the exposure of the infrared characteristics of the exhaust port wall surface. Meanwhile, a large amount of high-temperature exhaust gas is continuously discharged, and a large amount of waste heat is contained. In the end, the heat absorption of the spraying liquid is saturated, and only the spraying liquid after saturation can be discharged and replaced with new spraying liquid, which leads to a large amount of resource waste.

[0004] The present application can further reduce the infrared exposure characteristics of the exhaust port on the basis of the smoke elimination and spraying, and only reduces the wall surface of the exhaust port, so that the infrared camouflage is achieved, and a large amount of cooling liquid is avoided, and the consumption of resources is reduced. SUMMARY

[0005] The present application provides a kind of exhaust port infrared radar camouflage device for exhaust port, to solve the above technical problems.

[0006] To achieve the above object, the specific technical scheme of the present application is as follows:

[0007] A kind of exhaust port infrared radar camouflage device for exhaust port, including water cooling component and gas cooling component, water cooling component and gas cooling component are welded connection.

[0008] The water cooling assembly comprises hollow tubes, water inlet pipe joints, water inlet pipes, water outlet pipe joints and water outlet pipes, the hollow tubes are arranged in parallel, the hollow tubes are internally connected, the water inlet pipe joints and the water inlet pipes are connected by welding, the water inlet pipe joints and the water inlet pipes are internally connected to pass water, the water outlet pipe joints and the water outlet pipes are connected by welding, the water outlet pipe joints and the water outlet pipes are internally connected to pass water, the two ends of the hollow tubes are respectively bonded with the water inlet pipe and the water outlet pipe, and the hollow tubes are internally connected to pass water, water flows into the water inlet pipe through the water inlet pipe joint, then passes through the hollow tubes, then enters the water outlet pipe, and finally is discharged through the water outlet pipe joint.

[0009] The hollow tube is an aluminum tube with a wall thickness of 0.2mm-1mm.

[0010] The air cooling assembly is a cuboid metal plate frame, comprising air jet port assemblies, a metal cavity, a metal partition plate, air inlets and screw mounting holes, the metal partition plate and the metal cavity are connected by welding, the metal cavity is divided into two cavities by the metal partition plate, air holes are uniformly arranged on the metal partition plate, cold air is more uniformly introduced into the upper cavity of the metal cavity from the lower cavity of the metal cavity, and 10-15 air jet ports are uniformly cut on the upper surface of the upper cavity of the metal cavity by laser, so that the upper cavity of the metal cavity is in communication with the external environment, each air jet port is correspondingly provided with an air jet port assembly, the air jet port assemblies and the hollow tubes are alternately arranged, and the air jet port assemblies are connected to the upper surface of the air cooling assembly through the screw mounting holes.

[0011] The air jet port assembly is a gap with a width of 0.5mm-2mm, cold air in the upper cavity of the metal cavity is sprayed out in the form of rapid airflow to form a cold air curtain, the air jet port assemblies are arranged along the vertical direction of the flue gas flow, the cold air curtain formed by the air jet port assemblies has a blocking effect on the flue gas, direct contact of the flue gas with the outer surface of the hollow tube is avoided, the cold air is mixed with the flue gas, a mixed gas layer with a temperature lower than that of the flue gas is formed between the outer surface of the hollow tube and the flue gas, and heat transfer of the flue gas to the outer surface of the hollow tube is further prevented.

[0012] 2-4 air inlets are uniformly arranged in the lower cavity of the metal cavity, the air inlets are welded to the lower surface of the air cooling assembly and are in communication with the metal cavity, cold air enters the metal cavity through the air inlets, the air inlets are uniformly distributed on the lower surface of the metal cavity to ensure uniform distribution of the cold air entering the metal cavity, the cold air flows into the lower cavity of the metal cavity through the air inlets, then enters the upper cavity of the metal cavity through the air holes, and finally is discharged through the air jet port assemblies.

[0013] The surfaces of the water inlet pipe and the water outlet pipe are respectively in contact with the surface of the hollow tube, the contact surfaces of the water inlet pipe and the water outlet pipe are arc surfaces, and the curvature of the contact surfaces matches the curvature of the hollow tube, and the hollow tube is placed on the contact surfaces of the water inlet pipe and the water outlet pipe.

[0014] The hollow pipe is cut with a cutout corresponding to the inlet pipe and the outlet pipe, so that the hollow pipe and the inlet pipe and the outlet pipe form a passageway.

[0015] The inlet pipe and the outlet pipe adopt galvanized square pipes, and are perpendicular to the arrangement direction of the hollow pipe; the inlet pipe, the outlet pipe and the hollow pipe are fixed and sealed by adhesive, and the two ends of the hollow pipe are blocked, so that a sealed water flow channel is formed between the inlet pipe, the outlet pipe and the hollow pipe.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] The cold air is sprayed from the air jet assembly to form a cold air curtain, the air jet assembly is installed on the inner wall of the smoke exhaust port during use, and the smoke flow direction needs to be perpendicular to the cold air curtain, the cold air curtain formed has a blocking effect on the flue gas, avoids direct contact of the flue gas with the outer surface of the hollow pipe, and forms a mixed gas layer with a temperature lower than that of the flue gas between the outer surface of the hollow pipe and the flue gas, further insulating the heat of the flue gas from being transmitted to the outer surface of the hollow pipe; meanwhile, the hollow pipe is internally provided with cooling liquid, so that the temperature of the outer surface of the hollow pipe is always consistent with the ambient temperature of the periphery of the smoke exhaust port, so that the observable inner wall surface area of the smoke exhaust port is consistent with the ambient temperature of the periphery of the smoke exhaust port, and the infrared camouflage of the smoke exhaust port is realized.

[0018] The surface of the camouflage device is arranged in a side-by-side arrangement mode through the hollow pipe, the average radar reflectivity of the surface of the camouflage device is less than -10 dB through the arc-shaped radar reflectivity test at 2 GHz to 18 GHz, and a radar shielding effect of more than 90% is realized.

[0019] When the cold air is sprayed from the air jet assembly, the cold air forms a cold air curtain, which not only blocks the flue gas, but also mixes with the flue gas, reduces the temperature of the surrounding flue gas, and makes the cold air sprayed from the air jet assembly difficult to enter the upper cavity of the metal cavity, thereby achieving a self-cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic view of the smoke exhaust port infrared radar camouflage device of the application;

[0021] Figure 2 is a structure schematic view of the air jet assembly and the reinforcing rib arrangement structure of the application;

[0022] Figure 3 is a structure schematic view of the water cooling assembly of the application;

[0023] Figure 4 is a structure sectional view of the air cooling part of the application;

[0024] Figure 5is the radar reflectivity result of the hollow tube physical map measured by the present application;

[0025] In the figure: 1-water cooling assembly; 2-air cooling assembly; 4-hollow tube; 5-water inlet pipe joint; 6-water inlet pipe; 7-water outlet pipe joint; 8-water outlet pipe; 9-air outlet assembly; 10-screw mounting hole; 11-metal cavity; 12-metal partition; 13-air hole; 14-air inlet. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will combine the drawings in the embodiment of the application to make further detailed description of the embodiment of the application.

[0027] A kind of infrared radar camouflage device of smoke exhaust port part, including water cooling assembly 1 and air cooling assembly 2, water cooling assembly 1 and air cooling assembly 2 are welded connection.As shown in the figure. Figure 1

[0028] The water cooling assembly 1 includes water inlet pipe joint 5, water inlet pipe 6, water outlet pipe joint 7, water outlet pipe 8 and several parallel hollow tubes 4;The inside of hollow tube 4 is communicated;Water inlet pipe joint 5 and water inlet pipe 6 are connected by welding, and the inside of water inlet pipe joint 5 and water inlet pipe 6 is communicated to pass water;Water outlet pipe joint 7 and water outlet pipe 8 are connected by welding, and the inside of water outlet pipe joint 7 and water outlet pipe 8 is communicated to pass water;The two ends of hollow tube 4 are bonded with water inlet pipe 6 and water outlet pipe 8 respectively, and the inside is communicated to pass water;Water flows into water inlet pipe 6 through water inlet pipe joint 5, then passes through hollow tube 4, then enters water outlet pipe 8, and finally is discharged through water outlet pipe joint 7.As shown in the figure. Figure 2

[0029] The hollow tube 4 is an aluminum tube with a wall thickness of 0.2mm-1mm.

[0030] The air cooling assembly 2 is a cuboid metal plate frame, including air outlet assembly 9, metal cavity 11, metal partition 12, air inlet 14 and screw mounting hole 10;The metal partition 12 is connected with the metal cavity 11 by welding, and the metal cavity 11 is divided into two cavities by the metal partition 12, the metal partition 12 is uniformly provided with air holes 13, so that the cold air is more uniform when entering the upper cavity of the metal cavity 11 from the lower cavity of the metal cavity 11, and the upper surface of the upper cavity of the metal cavity 11 is uniformly cut by laser 10-15 air outlets, so that the upper cavity of the metal cavity 11 is connected with the external environment;Each air outlet is correspondingly provided with an air outlet assembly 9, the air outlet assemblies 9 and the hollow tubes 4 are arranged alternately, and the air outlet assemblies 9 are connected to the upper surface of the air cooling assembly 2 through the screw mounting holes 10.As shown in the figure. Figure 3

[0031] The air jet assembly is a slit with a width of 0.5mm-2mm, so that the cold air in the upper cavity of the metal cavity 11 is jetted out in a rapid airflow and forms a cold air curtain, the air jet assembly 9 is along the vertical flue gas flow direction, prevents the formed cold air curtain from having a blocking effect on the flue gas, avoids the flue gas directly contacting the outer surface of the hollow tube 4, and meanwhile, the cold air mixes with the flue gas, forms a mixed gas layer with a lower temperature than the flue gas between the outer surface of the hollow tube 4 and the flue gas, and further insulates the flue gas heat from being transferred to the outer surface of the hollow tube 4. Figure 4

[0032] The lower cavity of the metal cavity 11 is uniformly provided with 2-4 air inlets 14, the air inlets 14 are welded and connected with the lower surface of the air cooling assembly 2, the air inlets 14 are communicated with the inside of the metal cavity 11, the cold air enters the metal cavity 11 through the air inlets 14, the air inlets 14 are uniformly distributed on the lower surface of the metal cavity 11, so that the distribution of the cold air entering the metal cavity 11 is uniform, and the cold air flow first enters the lower cavity of the metal cavity 11 through the air inlets 14, then enters the upper cavity of the metal cavity 11 through the air holes 13, and finally is discharged through the air jet assembly 9.

[0033] The surface of the water inlet pipe 6 and the surface of the water outlet pipe 8 are respectively contacted with the surface of the hollow tube 4, the contact surfaces of the water inlet pipe 6 and the water outlet pipe 8 are arc surfaces, and the curvature of the contact surfaces is matched with the curvature of the hollow tube 4.

[0034] The water inlet pipe 6 and the water outlet pipe 8 adopt galvanized square pipes with a wall thickness of 2mm and a size of 30*30, and the arrangement direction of the water inlet pipe 6 and the water outlet pipe 8 is perpendicular to the arrangement direction of the hollow tube 4, the water inlet pipe 6, the water outlet pipe 8 and the hollow tube 4 are fixed and sealed through adhesive, and the two ends of the hollow tube 4 are blocked, so that the sealed water flow channels are formed between the water inlet pipe 6, the water outlet pipe 8 and the hollow tube 4.

[0035] As shown in the figure, the surface of the camouflage device is arranged in parallel through the hollow tube 4, and through the arc-shaped radar reflectivity test, the average radar reflectivity of the surface of the camouflage device is less than-10dB at 2GHz-18GHz, and the radar shielding effect of more than 90% is realized. Figure 5

[0036] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.​​

Claims

1. A smoke vent outlet portion infrared radar camouflage device characterized by, The camouflage device comprises a water cooling assembly and an air cooling assembly which are welded together; The water cooling assembly comprises hollow tubes, water inlet pipe joints, water inlet pipes, water outlet pipe joints and water outlet pipes; the hollow tubes are arranged in parallel; the hollow tubes are internally connected; the water inlet pipe joints and the water inlet pipes are welded together and are internally connected; the water outlet pipe joints and the water outlet pipes are welded together and are internally connected; the two ends of the hollow tubes are respectively bonded to the water inlet pipes and the water outlet pipes and are internally connected; The air cooling assembly is a cuboid metal plate frame, comprising air jet port assemblies, a metal cavity, a metal partition plate, air inlets and screw mounting holes; the metal partition plate is welded to the metal cavity, and the metal partition plate divides the metal cavity into two cavities; the metal partition plate is uniformly provided with air holes; the upper surface of the upper cavity of the metal cavity is uniformly cut by laser to form 10-15 air jet ports; each air jet port is correspondingly provided with an air jet port assembly; the air jet port assemblies and the hollow tubes are alternately arranged; the air jet port assemblies are connected to the upper surface of the air cooling assembly through the screw mounting holes.

2. The infrared radar decoy for smokestacks according to claim 1, characterized in that The hollow tubes are aluminum tubes with a wall thickness of 0.2-1 mm.

3. The infrared radar camouflage device for a smoke outlet according to claim 1, characterized in that, The air jet port assemblies are slits with a width of 0.2-2 mm; the air jet port assemblies are perpendicular to the direction of the flue gas flow.

4. The infrared radar camouflage device for a smoke outlet according to claim 1, characterized in that, 2-4 air inlets are uniformly arranged in the lower cavity of the metal cavity; the air inlets are welded to the lower surface of the air cooling assembly and are internally connected to the metal cavity; cold air enters the metal cavity through the air inlets; the air inlets are uniformly distributed on the lower surface of the metal cavity.

5. The infrared radar decoy for smokestacks of claim 1, wherein, The surfaces of the water inlet pipes and the water outlet pipes are respectively in contact with the surfaces of the hollow tubes; the contact surfaces of the water inlet pipes and the water outlet pipes are arc surfaces which are matched with the curvature of the hollow tubes; the cutouts of the hollow tubes are matched with the cutouts of the contact surfaces of the water inlet pipes and the water outlet pipes to form passages.

6. The infrared radar decoy for smokestacks of claim 1, wherein, The water inlet pipes and the water outlet pipes are galvanized square pipes which are perpendicular to the arrangement direction of the hollow tubes; the water inlet pipes and the water outlet pipes are fixed and sealed to the hollow tubes by adhesive.

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