CN218825331U - Marine radar atmospheric control system - Google Patents

Abstract

The utility model relates to a marine radar atmospheric control system, include: the dehumidifier comprises a dehumidifier body and a dehumidifier body, wherein the dehumidifier body comprises a cold water heat exchanger, a water pump, a dehumidifier and a regenerator which are sequentially connected, and the dehumidifier body also comprises a liquid desiccant used for circulating in the dehumidifier body; the refrigerating device comprises a semiconductor refrigerating sheet, a radiator and a fan, the semiconductor refrigerating sheet is respectively connected with the radiator and the radar, and the fan is respectively arranged opposite to the radiator, the dehumidifier and the regenerator and used for enabling air to sequentially pass through the dehumidifier, the radiator and the regenerator. The system uses the liquid cooling desiccant for dehumidification, and the regeneration of the liquid desiccant is carried out by depending on the hot surface waste heat of the semiconductor refrigeration sheet, so that the utilization rate of energy is improved, and the dehumidification liquid is regenerated circularly without frequent replacement.

Description

Marine radar atmospheric control system

Technical Field

The utility model relates to a temperature and humidity control system of radar, especially a marine radar temperature and humidity control system.

Background

Such high accuracy instrument of laser radar all has strict requirement to operational environment's humiture, and when radar equipment worked in air humidity was big, the marine environment that air salinity is high, it is very necessary to guarantee radar steady operation to establish temperature and humidity control system.

The active air cooling heat dissipation technology mainly comprising a fan or a centrifugal pump is mostly used on the existing radar, the temperature is difficult to be reduced to be lower than the ambient temperature, the maximum sea surface temperature can reach above 50 ℃ in summer, the working temperature of a laser transmitter of the marine radar is about 25-30 ℃, and the temperature of the laser cannot be reduced to be lower than the room temperature only by adopting a heat dissipation mode. The existing marine radar humidity control mostly adopts a solid desiccant for dehumidification, the desiccant needs to be frequently replaced, in addition, the regeneration temperature condition of the solid desiccant is higher, waste heat cannot be utilized, and the energy consumption is huge.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a can guarantee reliable cooling, reduce the consumption to the energy simultaneously to can utilize the heat that the refrigeration gived off to carry out a sea radar temperature and humidity control system of regeneration to the desiccant, concrete technical scheme is:

a marine radar temperature and humidity control system, comprising: the dehumidifier comprises a cold water heat exchanger, a water pump, a dehumidifier and a regenerator which are sequentially connected, and also comprises a liquid desiccant which is used for circulating in the dehumidifier, the cold water heat exchanger is used for exchanging heat with seawater, the dehumidifier is provided with a plurality of dehumidification pipes which are made of hollow fiber membranes, the regenerator is provided with a plurality of regeneration pipes which are made of hollow fiber membranes, and the liquid desiccant is dehumidified by the dehumidifier and regenerated by the regenerator; and the refrigerating device comprises a semiconductor refrigerating sheet, a radiator and a fan, the semiconductor refrigerating sheet is respectively connected with the radiator and the radar, and the fan is respectively opposite to the radiator, the dehumidifier and the regenerator and is used for enabling air to sequentially pass through the dehumidifier, the radiator and the regenerator.

Outdoor fresh air enters the dehumidifier through the fan, the low-temperature high-concentration dehumidifying agent dehumidifies and cools the high-temperature high-humidity air, the air becomes low-temperature low-humidity after passing through the dehumidifier, and the dehumidifying agent is heated and reduced in concentration after passing through the dehumidifier; the low-temperature and low-humidity air cools the hot surface of the semiconductor refrigerating sheet under the action of the fan, and the air is changed into high-temperature and low-humidity air; the high-temperature low-concentration liquid desiccant enters the regenerator under the action of a water pump; the low-humidity hot air is in cross flow contact with the regenerator, and water vapor in the high-temperature low-humidity liquid desiccant is blown out of the regenerator by utilizing the selective permeability of the membrane, so that the desiccant is changed into high-temperature high-concentration liquid desiccant; under the action of the pump, the high-temperature high-concentration liquid desiccant exchanges heat with seawater through the cold water heat exchanger to become a low-temperature high-concentration desiccant, and the low-temperature high-concentration desiccant enters the dehumidifier to perform the next round of dehumidification.

Preferably, the both ends of dehumidifier are equipped with dehumidification flow distribution box and dehumidification collection flow box respectively, the both ends of dehumidification pipe respectively with dehumidification flow distribution box with the dehumidification collection flow box communicates with each other.

Preferably, a regeneration flow distribution box and a regeneration flow convergence box are respectively arranged at two ends of the regenerator, and two ends of the regeneration pipe are respectively communicated with the regeneration flow distribution box and the regeneration flow convergence box.

Preferably, the outer surfaces of the dehumidification pipe and the regeneration pipe are provided with hydrophilic layers.

Preferably, the inner surfaces of the dehumidification pipe and the regeneration pipe are both provided with hydrophobic layers.

Compared with the prior art the utility model discloses following beneficial effect has:

the utility model provides a pair of marine radar temperature and humidity control system can play dehumidification cooling effect to the high temperature and high humidity new trend, the cooling efficiency has been improved, the possibility of salt fog corrosion equipment has been reduced, radar performance and life have been guaranteed, use liquid cooling desiccant dehumidification, the regeneration that relies on the hot side used heat of semiconductor refrigeration piece to carry out liquid desiccant, the utilization to the low-grade energy has been realized, energy saving and emission reduction's purpose has been reached, adopt this kind of liquid dehydrating unit, the dehumidification liquid can cyclic regeneration, the liquid desiccant can be used for a long time, need not frequently change.

Drawings

FIG. 1 is a system diagram of the present invention;

fig. 2 is a schematic view of the dehumidifier.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, a marine radar temperature and humidity control system includes a dehumidifying device and a refrigerating device.

The dehumidifier is including the cold water heat exchanger 1 that connects gradually, water pump 2, dehumidifier 3, water pump 2 and regenerator 5, still including being used for the liquid desiccant circulating in the dehumidifier, cold water heat exchanger 1 is used for the heat transfer with the sea water, be equipped with a plurality of dehumidification pipes 31 that adopt the hollow fiber membrane to make of array on the dehumidifier 3, the array is equipped with a plurality of regeneration pipes 51 that adopt the hollow fiber membrane to make on regenerator 5, the liquid desiccant passes through the dehumidification of dehumidifier 3, regenerate through regenerator 5. The two ends of the dehumidifier 3 are respectively provided with a dehumidifying branch box 32 and a dehumidifying header box 33, and the two ends of the dehumidifying pipe 31 are respectively communicated with the dehumidifying branch box 32 and the dehumidifying header box 33. The regenerator 5 is provided at its two ends with a regeneration flow-dividing box 52 and a regeneration flow-converging box 53, respectively, and the regeneration pipe 51 is communicated at its two ends with the regeneration flow-dividing box 52 and the regeneration flow-converging box 53, respectively. The outer surfaces of the dehumidifying pipe 31 and the regenerating pipe 51 are provided with hydrophilic layers. The inner surfaces of the dehumidification pipe 31 and the regeneration pipe 51 are provided with hydrophobic layers.

The refrigerating device comprises a semiconductor refrigerating sheet 7, a radiator 6 and a fan, wherein the semiconductor refrigerating sheet 7 is respectively connected with the radiator 6 and the radar, and the fan is respectively arranged opposite to the radiator 6, the dehumidifier 3 and the regenerator 5 and is used for enabling air to sequentially pass through the dehumidifier 3, the radiator 6 and the regenerator 5.

Adopt semiconductor refrigeration piece 7, reduced spare part, improved the reliability, reduced the maintenance, simultaneously small, light in weight, noise are low, are equipped with the narrow and small space of radar.

Such high accuracy instrument of laser radar all has strict requirement to operational environment's humiture, and when radar equipment worked in air humidity was big, the marine environment that air salinity is high, it is very necessary to guarantee radar steady operation to establish temperature and humidity control system. The hollow fiber membrane is a macromolecule tubular semipermeable membrane, liquid water and salt ions in the liquid water cannot pass through the membrane due to the selective permeability of the membrane, and gaseous water molecules can pass through the membrane, so that the hollow fiber membrane can be used for dehumidifying liquid and removing salt mist; in addition, the outer layer of the hollow fiber membrane can be made hydrophilic and the inner layer can be made hydrophobic through a coating process, so that the splashing water drops can be blocked.

The dehumidifier 3 made of hollow fiber membrane is used for dehumidifying and desalting the fresh air, at the moment, the concentration of the liquid desiccant is reduced, and the temperature is raised; the dry fresh air treated by the hydrophilicity on the surface of the hollow fiber membrane and the selective permeability of the hollow fiber membrane is pumped into a laser heat preservation bin by a fan to carry out heat convection with a radiator 6 to take away heat on the hot surface of a semiconductor refrigerating sheet 7, at the moment, high-temperature dry secondary air is pumped out by the fan to be in cross flow contact with a regenerator 5 made of the hollow fiber membrane, a low-concentration high-temperature liquid dehumidifying agent is further heated, water vapor molecules in a regenerating pipe 51 are blown out under the action of the cross flow, the concentration of the dehumidifying agent is increased again, the liquid dehumidifying agent is changed into a low-temperature high-concentration state after being pumped to a cold water heat exchanger 1 to exchange heat with seawater, and the liquid dehumidifying agent enters again to realize liquid dehumidification.

The regenerator 5 using the hollow fiber membrane as the liquid desiccant can regenerate the solution by using low-grade energy such as waste heat in the solution regeneration process. The corrosion of a radar heat dissipation module caused by high-humidity salt mist is avoided, the problem of low heat carrying capacity caused by overhigh humidity load of air on the sea is solved, and the radar can work under proper temperature and moderate conditions.

The novel salt spray dehumidification cooling device has the advantages that the dehumidification cooling effect can be realized on high-temperature high-humidity fresh air, the cooling efficiency is improved, the possibility of corrosion of equipment by salt spray is reduced, and the performance and the service life of the radar are guaranteed.

The liquid cooling dehumidifying agent is used for dehumidification, and the liquid dehumidifying agent is regenerated by means of the hot surface waste heat of the semiconductor refrigerating sheet 7, so that the utilization of low-grade energy is realized, and the purposes of energy conservation and emission reduction are achieved.

By adopting the liquid dehumidifying device, the dehumidifying liquid can be recycled, and the liquid dehumidifying agent can be used for a long time without frequent replacement.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a marine radar atmospheric control system which characterized in that includes:

the dehumidification device comprises a cold water heat exchanger (1), a water pump (2), a dehumidifier (3), a regenerator (5) and a liquid desiccant which is used for circulating in the dehumidification device, wherein the cold water heat exchanger (1) is used for exchanging heat with seawater, a plurality of dehumidification pipes (31) made of hollow fiber membranes are arranged on the dehumidifier (3), a plurality of regeneration pipes (51) made of hollow fiber membranes are arranged on the regenerator (5), and the liquid desiccant is dehumidified through the dehumidifier (3) and regenerated through the regenerator (5); and

refrigerating plant, refrigerating plant includes semiconductor refrigeration piece (7), radiator (6) and fan, semiconductor refrigeration piece (7) respectively with radiator (6) and radar are connected, the fan respectively with radiator (6) dehumidifier (3) with regenerator (5) set up relatively for loop through dehumidifier (3), radiator (6) and regenerator (5) with the air.

2. The marine radar temperature and humidity control system according to claim 1, wherein a dehumidification shunt box (32) and a dehumidification confluence box (33) are respectively arranged at two ends of the dehumidifier (3), and two ends of the dehumidification pipe (31) are respectively communicated with the dehumidification shunt box (32) and the dehumidification confluence box (33).

3. The marine radar temperature and humidity control system according to claim 1, wherein a regeneration flow distribution box (52) and a regeneration flow convergence box (53) are respectively arranged at two ends of the regenerator (5), and two ends of the regeneration pipe (51) are respectively communicated with the regeneration flow distribution box (52) and the regeneration flow convergence box (53).

4. The marine radar temperature and humidity control system of claim 1, wherein hydrophilic layers are arranged on outer surfaces of the dehumidification pipe (31) and the regeneration pipe (51).

5. The marine radar temperature and humidity control system of claim 1, wherein the inner surfaces of the dehumidification pipe (31) and the regeneration pipe (51) are provided with hydrophobic layers.

Images