CN112124250A - High-cost high-efficiency heat exchange circulating system for top-spraying type vehicle-mounted deicing system - Google Patents
High-cost high-efficiency heat exchange circulating system for top-spraying type vehicle-mounted deicing system Download PDFInfo
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- B60—VEHICLES IN GENERAL
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- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/487—Liquid supply therefor the liquid being heated
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Hair brushThe invention discloses a high-cost and high-efficiency heat exchange circulating system for a top-spraying type vehicle-mounted deicing system, which consists of a vehicle-mounted cooling liquid circulating device and a vehicle-mounted glass water circulating device, wherein the vehicle-mounted glass water circulating system comprises a water tank, a pressurizing device, a liquid conveying pipe and a nozzle; the volume of the water tank is 8L-15L, and a pressurizing device is fixed in the water tank; the liquid conveying pipe is in a high-heat section flowing out in a cooling mode and is in heat transfer with cooling liquid in a double-layer heat exchange pipe mode, the double-layer heat exchange pipe is composed of an inner layer pipe and an outer sleeve pipe, and the outer sleeve pipe is made of PVC/SiO2The inner sleeve layer is made of a silicon rubber/zinc oxide composite material; the infusion tube is communicated with two nozzles arranged above the front windshield of the vehicle; the output direction of the nozzle is obliquely downward output from the roof, the shape of the spray liquid of the nozzle is a sector covering the lower part of the outer surface of the front windshield, and the roof of the vehicle is provided with an outward extending structure. The invention is integrally suitable for vehicle traveling in winter and snow weather, and has the advantages of high efficiency, simple transformation and convenient maintenance.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted equipment, in particular to a high-cost and high-efficiency heat exchange circulating system for a top-spraying vehicle-mounted deicing system.
Background
In winter, along with the sudden temperature drop in all parts of the country, many provinces and cities of China begin to snow. With the enhancement of the snowy landscape, the icing of vehicles comes from the beginning, especially the icing of the front windshield, and the conventional treatment modes are as follows: 1. the ice on the window is lightly broken by using a plastic shovel, then warm air is started after the vehicle is started and wind is blown to the front wind shield, and the ice which freezes the window and the wiper is melted by hot air. In addition, attention is paid to timely replacement of the anti-freezing glass water so as to avoid the phenomenon that the water nozzle is frozen. 2. After the automobile is used in snowy days, the automobile is not locked immediately, people walk, the automobile doors on two sides are opened for ventilation, when the temperature in the automobile is reduced to be almost the same as that outside the automobile, the windscreen wiper is opened to wipe off snow water remained on the windshield, and then the automobile doors are closed, and the automobile is locked. If the snow is not too much, the vehicle can be driven to the road immediately in the next morning as long as snow on the windshield is swept and no ice is left under the snow. 3. The method is the most common rapid ice melting method, but the temperature of the blended water is difficult to control, the process of making boiled water is troublesome, and the method is also limited by the environment.
In summary, it is obvious that these methods are not only cumbersome, but also have many details and are clearly limited in use.
Therefore, a high-cost high-efficiency heat exchange circulating system for a top-spraying type vehicle-mounted deicing system, which is suitable for vehicle traveling in winter and snow weather, high in efficiency, simple in modification and convenient to maintain, is urgently needed in the market.
Disclosure of Invention
The invention aims to provide a high-cost and high-efficiency heat exchange circulating system for a top-spraying type vehicle-mounted deicing system, which is suitable for vehicle traveling in winter and snow weather, has high efficiency, is simple to modify and is convenient to maintain.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high-cost high-efficient heat transfer circulation system for top spouts formula on-vehicle deicing system, comprises on-vehicle coolant liquid circulating device, on-vehicle glass water circulating device, wherein on-vehicle glass water circulating system includes water tank, pressure device, transfer line and spout, its characterized in that:
the volume of the water tank is 8L-15L, a pressurizing device is fixed in the water tank, the pressurizing device is specifically a pressurizing device for providing 150mbar-300mbar pressure for liquid medium, the input end of the pressurizing device is communicated with the liquid medium in the water tank, and the output end of the pressurizing device is communicated with the infusion tube;
after the infusion tube extends out of the pressurizing device, the high-heat section flowing out of the infusion tube is cooled in the vehicle-mounted cooling liquid circulating device and is in heat transfer with cooling liquid in the form of a double-layer heat exchange tube, the double-layer heat exchange tube consists of an inner-layer tube and an outer sleeve, the outer sleeve is a PVC matrix, and SiO is solidified on the inner layer of the outer sleeve2The inner sleeve layer is a silicon rubber composite material with zinc oxide particles solidified inside; the liquid conveying pipe is divided into two parts in the engine compartment and is respectively communicated with two nozzles arranged above the front windshield of the vehicle through paths respectively arranged in the A column of the vehicle;
the output directions of the two nozzles are both obliquely output downwards from the roof, the shape of the liquid spray of the nozzles is fan-shaped, the two fan-shaped nozzles at least cover all areas of the outer surface of the front windshield, which are 3/5 of the lower part of the glass by height gauge, and the liquid conveying pipe is downwards converted and connected with the nozzles after rising to the roof;
the vehicle roof is provided with an outward extension structure matched with the top-spraying type vehicle-mounted glass water circulation system.
The high-cost and high-efficiency heat exchange circulating system for the top-spraying type vehicle-mounted deicing system is characterized in that the volume of the water tank is 10L-12L.
The high-cost and high-efficiency heat exchange circulating system for the top-spraying vehicle-mounted deicing system is characterized in that the pure copper adopted by the liquid conveying pipe in the winding section is specifically any one of TU2 or TU 3.
According to the high-cost and high-efficiency heat exchange circulating system for the top-spraying type vehicle-mounted deicing system, the liquid outlet end of the nozzle is provided with the loose-leaf one-way closed structure, and the loose-leaf one-way closed structure is opened from top to bottom only when the loose-leaf one-way closed structure is subjected to the pressure of not less than 20mbar from the liquid conveying end.
The manufacturing method of the double-layer heat exchange tube comprises the following steps:
s1: preparation of raw and auxiliary materials
Preparing raw materials: preparing PVC pipe body required by design, and preparing industrial grade SiO according to parts by weight22.5-3 parts of aerogel, 3.5-4.5 parts of anionic polyacrylic acid sodium salt dispersant, 1.8-2.2 parts of polyoxyethylene fatty alcohol ether wetting agent, 3.5-4.5 parts of calcium-zinc composite heat stabilizer, 56-58 parts of waterborne silicone-acrylic emulsion, 3.5-4.5 parts of ethylene glycol, 18-22 parts of hollow glass microsphere, 0.3-0.5 part of defoamer, 18-20 parts of titanium dioxide, 12-14 parts of talcum powder, 38-43 parts of calcite powder, 3.5-4.5 parts of trimethylpentanediol monoisobutyrate, 6-8 parts of zinc oxide powder with average particle size of 30-40 mu m, 2-3 parts of zinc oxide powder with average particle size of 6-10 mu m, 2-3 parts of zinc oxide powder with average particle size of 1-2 mu m, and 2-3 parts of separated vinyl terminal preserved according to the proportion of nSi-H/nSi-Vi of 1.65-1.7 Silicon oil and hydrogen-based silicon oil, 20-25 parts of the total weight of the mixture and 0.15-0.22 part of platinum complex catalyst with platinum content of 3000-5000 ppm;
preparing auxiliary materials: preparing enough dodecyl trimethoxy silane coupling agent, enough ethanol, enough dicumyl peroxide, enough ammonia water and enough deionized water;
s2: pretreatment of
Uniformly mixing zinc oxide powder with the average particle size of 30-40 mu m, zinc oxide powder with the average particle size of 6-10 mu m and zinc oxide powder with the average particle size of 1-2 mu m, which are prepared in the step S1, cleaning the mixture by using ethanol prepared in the step S1, and drying the mixture at 130-140 ℃ for later use to obtain mixed powder for later use;
secondly, the dodecyl trimethoxy silane coupling agent prepared in the step S1 is adopted to carry out surface treatment on the mixed powder to be used obtained in the step I to obtain a coupling mixture;
thirdly, putting the anionic polyacrylic acid sodium salt dispersant, the polyoxyethylene fatty alcohol ether wetting agent, the calcium-zinc composite heat stabilizer and the deionized water prepared in the step S1 into a container, mechanically stirring at 400-600 rpm for 15-18 min, and then adding the industrial grade SiO prepared in the step S12Uniformly stirring the aerogel again, adjusting the pH of the mixed solution to 7-8 by using ammonia water, and then treating the mixed solution for 6-8 min at a mechanical stirring speed of 12000-15000 rpm to obtain slurry for later use;
fourthly, adding the titanium dioxide, the talcum powder and the calcite powder prepared in the step S1 into a proper amount of deionized water to be uniformly mixed, then adding the slurry to be used obtained in the step S, and stirring the slurry at a mechanical stirring speed of 400-600 rpm for 15-18 min, then sequentially adding the defoaming agent, the film-forming assistant, the water-based silicone-acrylate emulsion, the ethylene glycol and the hollow glass beads prepared in the step S1 to form a mixed solution, and then treating the mixed solution at a mechanical stirring speed of 12000-15000 rpm for 32-35 min to prepare the SiO2Aerogel reflective insulation coating;
s3: preparation of materials
Mixing and stirring uniformly the coupling mixture obtained in the step S2 with the separately stored terminal vinyl silicone oil and hydrogen-based silicone oil prepared in the step S1 to obtain a component A for use and a component B for use in the step S1;
secondly, the component A and the component B to be used obtained in the step I are evenly mixed with the platinum complex catalyst prepared in the step S1, then the mixture is injected into a mould to be in a tubular shape required by design, and the mould and the mixed material in the mould are placed in a vacuum degree of 1 multiplied by 10-2Pa-1×10-3Defoaming treatment is carried out for 35min-40min in a Pa environment,obtaining defoaming raw materials;
taking out the defoaming raw material obtained in the step two, standing at room temperature until the raw material is completely cured, and demolding to obtain a finished product to be treated;
fourthly, the finished product to be processed obtained in the third step is treated for 18min to 25min by adopting a pre-vulcanization process at 135 ℃ to 140 ℃ and then treated for 1h to 2h by a post-vulcanization process at 215 ℃ to 220 ℃ by taking dicumyl peroxide as a vulcanizing agent to obtain a final forming tube, wherein the final forming tube is an inner tube;
fifthly, cleaning the PVC pipe body prepared in the step S1 by adopting ethanol prepared in the step S1, and then cleaning the SiO pipe body prepared in the step S22Brushing the inner cavity of the aerogel reflective heat-insulation coating to gradually dry and solidify the film layer at room temperature, repeating brushing and standing solidification after solidification until the thickness of the film layer is 0.3-0.4 mm after drying and solidification to obtain an outer sleeve;
sixthly, sleeving the inner layer pipe obtained in the step four with the outer sleeve obtained in the step five, and then packaging the two ends of the sleeved composite pipe with the channel cross section shaped like a Chinese character 'hui' by adopting two channel joints corresponding to the inner layer pipe and the outer sleeve, so as to obtain the structure of two independent liquid channels of the inner layer pipe and the outer sleeve, namely the required double-layer heat exchange pipe.
Compared with the prior art, the invention has the following advantages: (1) according to the heat reflection layer aerogel film in the outer jacket layer of the double-layer heat exchange tube prepared by the method, the heat conductivity coefficient is only 0.08W/(m □ K) -0.1W/(m □ K), the photothermal reflectivity is about 93%, the temperature difference between the inner wall of the film layer and the PVC tube is 20-25 ℃ (namely the temperature of the PVC tube is 25-30 ℃ under the condition that the temperature of the inner liquid is 50 ℃), the heat insulation effect is good, the usage amount of the SiO2 aerogel is small, the cost of the coating is reduced, and the actual application and popularization are facilitated. The heat conduction principle of the inner layer pipe is that three zinc oxides with different particle sizes are coupled and compounded, and a set of relatively complete material internal heat conduction network can be formed on the microstructure layer, so that after spherical-like zinc oxide powder with the particle sizes of 30-40 microns, 6-10 microns and 1-2 microns is treated by a coupling agent, the heat conductivity of the spherical-like zinc oxide powder is 4.5W/(m.K) -5.2W/(m.K), and the heat conductivity of silicone rubber without fillers is generally about 0.25W/(m.K).
(2) The invention aims to solve the problem that vehicles cannot be used after ice is hung in most areas of China before winter snow weather, a self-heating and self-service ice melting structure is realized by modifying a glass water circulation system of an automobile, when the temperature of a cooling liquid rises to about 90 ℃ after the automobile is started for about 5 minutes, warm water at 30-50 ℃ can be sprayed from a top nozzle according to the structure and the material of the invention to melt ice quickly, so that the trouble that people need to boil water and then convert the water into the warm water to wash and melt ice by hand is avoided. (3) The nozzle of the existing glass water circulation system and the air outlet of an air conditioner are arranged at the bottom of the front windshield, so that the design is firm and simple in structure, low in cost and convenient for the whole design of an engine compartment, but the freezing at the nozzle cannot be prevented in winter and snow weather, so that the rapidity cannot be realized structurally. (4) Compared with the prior art, the invention only adds the self-heating structure by utilizing the cooling liquid circulation system of the vehicle after heat dissipation is carried out on the mechanical structure, the design of the prior vehicle body is not changed greatly, the part with increased cost only has the heat exchange winding structure of pure copper, the extended pipeline and the extension design of the vehicle top cover, the cost is not high on the whole, for a part of areas, particularly for a long-term ice and snow covering environment similar to the north of China, the invention substantially solves the rigidity requirement, and compared with the prior art, the cost improvement is completely acceptable, in addition, the invention has a defect that the problems of wind resistance increase, wind noise increase or unattractive structure caused by the extending structure of the car roof (the whole car roof can extend forwards, or the car roof can not extend out, and two 'antenna' structures are arranged for placing the nozzles), and the problems need to be solved subsequently by other technical means. Therefore, the invention has the characteristics of suitability for vehicle traveling in winter and snow weather, high efficiency, simple transformation and convenient maintenance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: a nozzle 1, a transfusion tube 2 and a water tank 3.
Detailed Description
Example 1:
as shown in figure 1, the high-cost and high-efficiency heat exchange circulating system for the top-spraying vehicle-mounted deicing system consists of a vehicle-mounted cooling liquid circulating device and a vehicle-mounted glass water circulating device, wherein the vehicle-mounted glass water circulating system comprises a water tank 3, a pressurizing device, a liquid conveying pipe 2 and a nozzle 1,
the volume of the water tank 3 is 12L, a pressurizing device is fixed in the water tank, the pressurizing device is specifically a pressurizing device for providing 200mbar pressure for liquid medium, the input end of the pressurizing device is communicated with the liquid medium in the water tank 3, and the output end of the pressurizing device is communicated with the infusion tube 2;
after the infusion tube 2 extends out of the pressurizing device, the high-heat section flowing out is cooled in the vehicle-mounted cooling liquid circulating device and is in heat transfer with cooling liquid in the form of a double-layer heat exchange tube, the double-layer heat exchange tube consists of an inner-layer tube and an outer sleeve, the outer sleeve is a PVC matrix, and SiO is solidified on the inner layer of the PVC matrix2The inner sleeve layer is a silicon rubber composite material with zinc oxide particles solidified inside; the liquid conveying pipe 2 is divided into two parts in the engine compartment and is respectively communicated with two nozzles arranged above the front windshield of the vehicle through the paths respectively arranged in the A column of the vehicle; the manufacturing method of the double-layer heat exchange tube comprises the following steps:
s1: preparation of raw and auxiliary materials
Preparing raw materials: preparing PVC pipe body required by design, and preparing industrial grade SiO according to parts by weight22.5-3 parts of aerogel, 3.5-4.5 parts of anionic polyacrylic acid sodium salt dispersant, 1.8-2.2 parts of polyoxyethylene fatty alcohol ether wetting agent, 3.5-4.5 parts of calcium-zinc composite heat stabilizer, 56-58 parts of waterborne silicone-acrylic emulsion, 3.5-4.5 parts of ethylene glycol, 18-22 parts of hollow glass beads, and defoaming agent0.3-0.5 part of titanium dioxide, 18-20 parts of titanium dioxide, 12-14 parts of talcum powder, 38-43 parts of calcite powder, 3.5-4.5 parts of trimethylpentanediol monoisobutyrate, 6-8 parts of zinc oxide powder with the average particle size of 30-40 mu m, 2-3 parts of zinc oxide powder with the average particle size of 6-10 mu m, 2-3 parts of zinc oxide powder with the average particle size of 1-2 mu m, 20-25 parts of separately stored terminal vinyl silicone oil and hydrogen-based silicone oil to-be-mixed mixture according to the proportion of nSi-H/nSi-Vi, and 0.15-0.22 part of platinum complex catalyst with the platinum content of 3000-5000 ppm;
preparing auxiliary materials: preparing enough dodecyl trimethoxy silane coupling agent, enough ethanol, enough dicumyl peroxide, enough ammonia water and enough deionized water;
s2: pretreatment of
Uniformly mixing zinc oxide powder with the average particle size of 30-40 mu m, zinc oxide powder with the average particle size of 6-10 mu m and zinc oxide powder with the average particle size of 1-2 mu m, which are prepared in the step S1, cleaning the mixture by using ethanol prepared in the step S1, and drying the mixture at 130-140 ℃ for later use to obtain mixed powder for later use;
secondly, the dodecyl trimethoxy silane coupling agent prepared in the step S1 is adopted to carry out surface treatment on the mixed powder to be used obtained in the step I to obtain a coupling mixture;
thirdly, putting the anionic polyacrylic acid sodium salt dispersant, the polyoxyethylene fatty alcohol ether wetting agent, the calcium-zinc composite heat stabilizer and the deionized water prepared in the step S1 into a container, mechanically stirring at 400-600 rpm for 15-18 min, and then adding the industrial grade SiO prepared in the step S12Uniformly stirring the aerogel again, adjusting the pH of the mixed solution to 7-8 by using ammonia water, and then treating the mixed solution for 6-8 min at a mechanical stirring speed of 12000-15000 rpm to obtain slurry for later use;
fourthly, the titanium pigment, the talcum powder and the calcite powder prepared in the step S1 are added into a proper amount of deionized water to be uniformly mixed, then the slurry to be used obtained in the step III is added, the mechanical stirring speed of 400rpm to 600rpm is 15min to 18min, and then the step S1 is added in sequencePreparing defoaming agent, film-forming assistant, water-based silicone-acrylate emulsion, glycol and hollow glass beads to form a mixed solution, and then treating the mixed solution at a mechanical stirring speed of 12000-15000 rpm for 32-35 min to prepare SiO2Aerogel reflective insulation coating;
s3: preparation of materials
Mixing and stirring uniformly the coupling mixture obtained in the step S2 with the separately stored terminal vinyl silicone oil and hydrogen-based silicone oil prepared in the step S1 to obtain a component A for use and a component B for use in the step S1;
secondly, the component A and the component B to be used obtained in the step I are evenly mixed with the platinum complex catalyst prepared in the step S1, then the mixture is injected into a mould to be in a tubular shape required by design, and the mould and the mixed material in the mould are placed in a vacuum degree of 1 multiplied by 10-2Pa-1×10-3Defoaming in Pa environment for 35-40 min to obtain defoaming material;
taking out the defoaming raw material obtained in the step two, standing at room temperature until the raw material is completely cured, and demolding to obtain a finished product to be treated;
fourthly, the finished product to be processed obtained in the third step is treated for 18min to 25min by adopting a pre-vulcanization process at 135 ℃ to 140 ℃ and then treated for 1h to 2h by a post-vulcanization process at 215 ℃ to 220 ℃ by taking dicumyl peroxide as a vulcanizing agent to obtain a final forming tube, wherein the final forming tube is an inner tube;
fifthly, cleaning the PVC pipe body prepared in the step S1 by adopting ethanol prepared in the step S1, and then cleaning the SiO pipe body prepared in the step S22Brushing the inner cavity of the aerogel reflective heat-insulation coating to gradually dry and solidify the film layer at room temperature, repeating brushing and standing solidification after solidification until the thickness of the film layer is 0.3-0.4 mm after drying and solidification to obtain an outer sleeve;
sixthly, sleeving the inner layer pipe obtained in the step four with the outer sleeve pipe obtained in the step five, and then packaging the two ends of the sleeved composite pipe with the channel cross section shaped like a Chinese character 'hui' by adopting two channel joints corresponding to the inner layer pipe and the outer sleeve pipe to obtain a structure of two independent liquid channels of the inner layer pipe and the outer sleeve pipe, namely the required double-layer heat exchange pipe is obtained;
the output directions of the two nozzles 1 are both obliquely output downwards from the roof, the spray liquid of the nozzles 1 is in a fan shape, the two fan shapes at least cover all areas of the outer surface of the front windshield, the area is 3/5 of the lower part of the glass by height, the liquid conveying pipe 2 is lifted to the roof part and then is downwards converted and connected with the nozzles 1, and the liquid outlet end of the nozzles 1 is also provided with a loose-leaf one-way sealing structure and is opened from top to bottom only when the liquid outlet end is subjected to the pressure of not less than 20mbar from the;
the vehicle top cover is provided with and spouts the outside extension structure of formula vehicle-mounted glass water circulating system assorted with the top, and this structure specifically is that roof self is not extensive, but stretches out two tentacles structure in the position that corresponds spout 1, sets up spout 1 and transfer line 2 in the tentacle structure.
Example 2:
the specific difference is similar to that of the embodiment 1:
the volume of the water tank 3 is 8L;
the output pressure of the pressurizing device is 300 mbar;
the liquid outlet end of the nozzle 1 is of an open structure;
the vehicle roof is provided with an outward extending structure matched with a top-spraying vehicle-mounted glass water circulation system, the structure is specifically the integral extension of the vehicle roof, and a nozzle 1 and a liquid conveying pipe 2 are arranged in the vehicle roof;
example 3:
the specific difference is similar to that of the embodiment 1:
the volume of the water tank 3 is 15L;
the output pressure of the pressurizing device is 150 mbar;
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a deicing is with on-vehicle glass water circulating system of formula that spouts on top, comprises on-vehicle coolant liquid circulating device, on-vehicle glass water circulating device, wherein on-vehicle glass water circulating system includes water tank (3), pressure device, transfer line (2) and spout, its characterized in that:
the volume of the water tank (3) is 8L-15L, a pressurizing device is fixed in the water tank, the pressurizing device is specifically a pressurizing device for providing 150mbar-300mbar pressure for liquid medium, the input end of the pressurizing device is communicated with the liquid medium in the water tank (3), and the output end of the pressurizing device is communicated with the infusion tube (2);
after the infusion tube (2) extends out of the pressurizing device, the high-heat section flowing out is cooled in the vehicle-mounted cooling liquid circulating device and is in heat transfer with cooling liquid in the form of a double-layer heat exchange tube, the double-layer heat exchange tube consists of an inner-layer tube and an outer sleeve, the outer sleeve is a PVC matrix, and SiO is solidified on the inner layer of the PVC matrix2The inner sleeve layer is a silicon rubber composite material with zinc oxide particles solidified inside; the liquid conveying pipe (2) is divided into two parts in the engine compartment and then is respectively communicated with two nozzles arranged above the front windshield of the vehicle through the paths respectively arranged in the A column of the vehicle;
the output directions of the two nozzles are both obliquely downward output from the roof, the shape of the liquid spray of the nozzles is fan-shaped, the two fan-shaped nozzles at least cover all areas of the outer surface of the front windshield, which are 3/5 of the lower part of the glass by height gauge, and the liquid conveying pipe (2) is downwards converted to be connected with the nozzles after rising to the roof;
the vehicle roof is provided with an outward extension structure matched with the top-spraying type vehicle-mounted glass water circulation system.
2. The roof-spray vehicle-mounted glass water circulation system for deicing according to claim 1, characterized in that: wherein the volume of the water tank (3) is 10L-12L.
3. The roof-spray vehicle-mounted glass water circulation system for deicing according to claim 1, characterized in that: wherein the pure copper adopted by the infusion tube (2) in the winding section is specifically any one of TU2 or TU 3.
4. The roof-spray vehicle-mounted glass water circulation system for deicing according to claim 1, characterized in that: the liquid outlet end of the spout is provided with a loose-leaf one-way closed structure which is opened from top to bottom only when the loose-leaf one-way closed structure is subjected to pressure which is not lower than 20mbar from the infusion end.
5. The roof-spray vehicle-mounted glass water circulation system for deicing according to claim 1, characterized in that: the manufacturing method of the double-layer heat exchange tube comprises the following steps:
s1: preparation of raw and auxiliary materials
Preparing raw materials: preparing PVC pipe body required by design, and preparing industrial grade SiO according to parts by weight22.5-3 parts of aerogel, 3.5-4.5 parts of anionic polyacrylic acid sodium salt dispersant, 1.8-2.2 parts of polyoxyethylene fatty alcohol ether wetting agent, 3.5-4.5 parts of calcium-zinc composite heat stabilizer, 56-58 parts of waterborne silicone-acrylic emulsion, 3.5-4.5 parts of ethylene glycol, 18-22 parts of hollow glass microsphere, 0.3-0.5 part of defoamer, 18-20 parts of titanium dioxide, 12-14 parts of talcum powder, 38-43 parts of calcite powder, 3.5-4.5 parts of trimethylpentanediol monoisobutyrate, 6-8 parts of zinc oxide powder with average particle size of 30-40 mu m, 2-3 parts of zinc oxide powder with average particle size of 6-10 mu m, 2-3 parts of zinc oxide powder with average particle size of 1-2 mu m, and 2-3 parts of separated vinyl terminal preserved according to the proportion of nSi-H/nSi-Vi of 1.65-1.7 Silicon oil and hydrogen-based silicon oil, 20-25 parts of the total weight of the mixture and 0.15-0.22 part of platinum complex catalyst with platinum content of 3000-5000 ppm;
preparing auxiliary materials: preparing enough dodecyl trimethoxy silane coupling agent, enough ethanol, enough dicumyl peroxide, enough ammonia water and enough deionized water;
s2: pretreatment of
Uniformly mixing zinc oxide powder with the average particle size of 30-40 mu m, zinc oxide powder with the average particle size of 6-10 mu m and zinc oxide powder with the average particle size of 1-2 mu m, which are prepared in the step S1, cleaning the mixture by using ethanol prepared in the step S1, and drying the mixture at 130-140 ℃ for later use to obtain mixed powder for later use;
secondly, the dodecyl trimethoxy silane coupling agent prepared in the step S1 is adopted to carry out surface treatment on the mixed powder to be used obtained in the step I to obtain a coupling mixture;
thirdly, putting the anionic polyacrylic acid sodium salt dispersant, the polyoxyethylene fatty alcohol ether wetting agent, the calcium-zinc composite heat stabilizer and the deionized water prepared in the step S1 into a container, mechanically stirring at 400-600 rpm for 15-18 min, and then adding the industrial grade SiO prepared in the step S12Uniformly stirring the aerogel again, adjusting the pH of the mixed solution to 7-8 by using ammonia water, and then treating the mixed solution for 6-8 min at a mechanical stirring speed of 12000-15000 rpm to obtain slurry for later use;
fourthly, adding the titanium dioxide, the talcum powder and the calcite powder prepared in the step S1 into a proper amount of deionized water to be uniformly mixed, then adding the slurry to be used obtained in the step S, and stirring the slurry at a mechanical stirring speed of 400-600 rpm for 15-18 min, then sequentially adding the defoaming agent, the film-forming assistant, the water-based silicone-acrylate emulsion, the ethylene glycol and the hollow glass beads prepared in the step S1 to form a mixed solution, and then treating the mixed solution at a mechanical stirring speed of 12000-15000 rpm for 32-35 min to prepare the SiO2Aerogel reflective insulation coating;
s3: preparation of materials
Mixing and stirring uniformly the coupling mixture obtained in the step S2 with the separately stored terminal vinyl silicone oil and hydrogen-based silicone oil prepared in the step S1 to obtain a component A for use and a component B for use in the step S1;
secondly, the component A and the component B to be used obtained in the step I are evenly mixed with the platinum complex catalyst prepared in the step S1, then the mixture is injected into a mould to be in a tubular shape required by design, and the mould and the mixed material in the mould are placed in a vacuum degree of 1 multiplied by 10-2Pa-1×10-3Defoaming in Pa environment for 35-40 min to obtain defoaming material;
taking out the defoaming raw material obtained in the step two, standing at room temperature until the raw material is completely cured, and demolding to obtain a finished product to be treated;
fourthly, the finished product to be processed obtained in the third step is treated for 18min to 25min by adopting a pre-vulcanization process at 135 ℃ to 140 ℃ and then treated for 1h to 2h by a post-vulcanization process at 215 ℃ to 220 ℃ by taking dicumyl peroxide as a vulcanizing agent to obtain a final forming tube, wherein the final forming tube is an inner tube;
fifthly, cleaning the PVC pipe body prepared in the step S1 by adopting ethanol prepared in the step S1, and then cleaning the SiO pipe body prepared in the step S22Brushing the inner cavity of the aerogel reflective heat-insulation coating to gradually dry and solidify the film layer at room temperature, repeating brushing and standing solidification after solidification until the thickness of the film layer is 0.3-0.4 mm after drying and solidification to obtain an outer sleeve;
sixthly, sleeving the inner layer pipe obtained in the step four with the outer sleeve obtained in the step five, and then packaging the two ends of the sleeved composite pipe with the channel cross section shaped like a Chinese character 'hui' by adopting two channel joints corresponding to the inner layer pipe and the outer sleeve, so as to obtain the structure of two independent liquid channels of the inner layer pipe and the outer sleeve, namely the required double-layer heat exchange pipe.
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| CN202011041089.8A CN112124250A (en) | 2020-09-28 | 2020-09-28 | High-cost high-efficiency heat exchange circulating system for top-spraying type vehicle-mounted deicing system |
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| CN202011041089.8A CN112124250A (en) | 2020-09-28 | 2020-09-28 | High-cost high-efficiency heat exchange circulating system for top-spraying type vehicle-mounted deicing system |
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