KR20070026940A - Car 3 derivation(electric, coolant, evacuation heat)heating system - Google Patents

Abstract

A heat supplying apparatus using 3 elements(electric, coolant, exhaust heat storage) of a vehicle is provided to supply heat from the engine coolant and engine exhaust as the initial heat source by using the heat stored in a heat exchanger, and to supply stable heat source in a sustained heating situation by using phase transitional latent heat stored in the conductive hydro-gel. A heat supplying apparatus using 3 elements(electric, coolant, exhaust heat storage) of a vehicle has a heat exchanger(8) in a staggered angle through which electric energy and waste heat of the vehicle are recovered. The path which feed and exhaust pipe passes is longitudinally divided in two equal parts, and at the center of the divided area, heat exchange plates having an internal angle of 120 degrees are evenly installed. The heat exchanger is operated in an initial vehicle starting situation, and a vehicle driving situation. In the initial vehicle starting situation, the moment electric power is supplied, the stored heat of the heat exchanger passes through series of auto-dampers(141,142), and are supplied as the heat source for heating the interior of a vehicle. In a vehicle driving situation, the heat exchanger first stores heat by recovering and storing heat from the engine exhaust heat by letting engine exhaust heat which passed through the heat exchanger via a turbo charger exhaust through a muffler. When the heat storing tub sensor of the heat exchanger detects temperature to be over the preset temperature, the heat is fed into interior of a vehicle from an auto-damper to summer direction via the auto-damper. Secondly, the heat exchanger stores heat from the coolant having high heat from the engine by passing the coolant from the auto-valve(143) to the radiating pipes, and then to the heat coil.

Description

Car 3 Derivation (Electric, Coolant, Evacuation Heat) Heating System}

1 is a main configuration of an automobile three-way heat storage heating supply apparatus according to a first embodiment of the present invention.

Description of the main parts of the drawing

1. Electrode 2. Temperature sensor port

3. Staggered inclined heat exchanger plate 4. Heat dissipation pipe (for fuel)

41. Heat sink (for cooling water)

5. uv lamp 6. insulation

7. Conductive hydrogel phase change latent heat storage material 8. Heat exchanger

9. Photocatalyst Coating Area 14. Three-way Auto Damper

141. 3-way auto damper 142. 3-way auto damper

143. 3-way auto valve 144. 3-way auto valve

15. Battery heat storage cover

According to the present invention, heat is stored at all times by using a conductive hydrogel phase change heat storage material (7), and the heat storage exhausted from the shaft, power generation, engine coolant, and turbocharger during driving of the vehicle is stored at the same time as the power input of the vehicle in winter. It supplies to the car, and relates to a heat storage heating device to prevent cold start of the car.

In diesel vehicles associated with conventional cold start, lower battery temperatures in the first electrical system reduce performance and also reduce the ability to charge to produce the required output. This decrease in battery output, combined with an increase in engine cranking load in winter, causes engine start-ups.

In the second fuel system, the flow of diesel fuel is determined by the fuel's pour point and cloud point. Fuel hardening in winter is often called waxing. The temperature at which the waxing of the fuel appears depends on the basic raw material of the fuel. When the engine runs below the cloud's cloud point, the wax crystals circulate with the fuel, clogging the screen and filter and causing resistance to sharply curved fuel lines and fittings. Even with the use of pour point additives, it is only possible to reduce the size of the waxing crystals in the fuel and not to change the temperature at which the waxing crystals are produced. The only way to prevent waxing of the fuel is to use fuel with a low pour point or to keep the temperature of the fuel above the pour point. To this end, there is a method of using a fuel heater regardless of whether the engine is running.

Third, with regard to winter operation in the lubricating oil system, two important physical properties of the lubricating oil used in the engine are the pour point and the viscosity. First, the oil must be able to flow freely in the oil pan and then freely circulate the engine. If the engine is started with the oil in the crankcase solidified, a serious defect will occur due to lack of lubricant. The oil must maintain a sufficiently low pour point so that it always remains liquid even at low temperatures.

Fourth, in terms of intake air systems, two aspects of air density and air temperature should be considered. As the air temperature drops, the air density increases. The result is an increase in cylinder maximum pressure for turbocharged engines. Increasing the cylinder pressure can cause the following types of problems. ① Block breakage ② Leakage of head gasket ③ Excessive stress on crankshaft bearing ④ Camshaft damage when hydraulic engine brake is used ⑤ Head bolt loosening or breakage ⑥Distortion of piston ring ⑦Piston breakage There is a direct relationship between intake temperature and combustion temperature. The combustion temperature will be lower when cold intake air is introduced. When the combustion temperature is low, part of the diesel fuel is unburned. This unburned tar-type material is deposited on the valve guide and the valve stem, causing the valve to stick in the open state, and a serious defect occurs due to the valve and piston not closing. Low temperature intake air also causes engine detonation and piston burnout. In addition, since LPG cars supply fuel only at the gas pressure in the fuel tank (bomb) without using a fuel pump, it is difficult to start when the pressure in the fuel tank is lowered due to the temperature drop. -Especially in winter, it uses 20% propane and 70% butane, so a fuel pressure of about 0.3 kg / ㎠ is required for the engine's vaporizer to operate. However, when the outside air temperature is about -15 ℃ or less, the vapor pressure of the propane 30% is less than 0.3kg / ㎠ it is difficult to start the carburetor is difficult to start. The hot air heating system, named Rapid Heat, developed by Sento Thermal Systems, Inc., started to rise within 10 seconds of starting the car, and then opened up to 30 degrees Celsius within 20 seconds. It can be warmed. The hot coolant in the car is sent to and stored in this cylinder, and when the engine is started, the coolant in the still-cooled engine does not go into this barrel, but instead the hot water already stored in the barrel flows out, raising the temperature of the heater in an instant. It is a principle. The unit price is about $ 500-700, and the device has the advantages of relatively small size and simple installation. However, when the heat of the device / external temperature is large, it is difficult to maintain a constant temperature and supply a stable heat source for a long time. In addition, there is a limit to the practical operation when the cold start of the car occurs due to the dripped temperature of the winter season.

Therefore, the three-element (electric, coolant, exhaust heat) heat storage supply device of the automobile is heat-reduced and stored while passing through the heat exchanger (8) after the turbocharger coolant and the exhaust heat of the engine absorbs the engine heat during normal driving. Is supplied as an initial heating supply heat source, and when the regenerative heating supply is performed for a long time, power is supplied from the storage battery by the lower limit signal of the temperature sensor installed in the heat storage section of the heat exchanger 8 to supply the phase of the conductive hydrogel. By converting latent heat storage, it supplies stable heating heat source and operates as a cold start prevention system for electric system, fuel system, lubricating oil system and air intake system.

The three-element automotive (electric, coolant, exhaust heat) heat storage heating device recovers the electric energy and waste heat of the vehicle through the heat exchanger 8 having the inclined angles. Evenly arrange the heat exchanger plate with the inclined angle of 120 degrees inside the center of the area divided into two longitudinal directions of the path, and conduct the hydrogel phase conversion latent heat storage material on the heat exchange surface where the hot plate (3) with the inclined angle between the exhaust and the exhaust is in contact. (7) Install a filling heat storage tank. The material of the heat exchanger 8 is SUS316 * 0.6T, which has the shape shown in the drawing, is hermetically integrated by the brazing method, and the photocatalyst coating region 9, which is the surface of the pipeline passing through the supply and exhaust, forms an anatase-based titanium dioxide coating film. As a result of the photocatalytic effect of ultraviolet light (386 nm) irradiated from the UV lamp 5 installed on the straight side of the heat exchanger tube facing the heat exchanger plate, the air supply path decomposes and sterilizes the contaminants contained in the outside air, Has the effect of simultaneously cleaning the supply and exhaust air by decomposing and discharging the combustion waste gas. In addition, the heat exchange feature of the heat exchanger 8 is in line with the flow direction and the gas traveling direction facing the inclination angle of the front end by the inclined angle (120 degrees) of the gas moved into each heat and exhaust pipe into the heat exchanger. The streamline is going to go straight and the streamline going forward plays the main flow forward, and the streamline which has been compressed against the inclination angle is dispersed into a small eddy at the vertex of the inclination angle, falling along the inclination angle and into a smaller vortex. Repeated splitting generates numerous small vortices (vortices = eddy) that attract and disperse heat and matter from the surroundings, maximizing irreversible phenomena between heat exchange plates. In addition, the heat dissipation tube of the heat exchanger 8 is embedded in the heat exchange heat dissipation tube 4 and the fuel circulation heat dissipation tube 41 for circulation of the engine coolant. In addition, the conductive hydrogel phase change heat storage material (7) is added to borax and crystalline water in reagent manganese, industrial manganese or anhydrous manganese (Na2SO4), and then heated to make a solution, and borax is completely dissolved in the crystalline water in the melt. After the mixture was stirred for 10 minutes to dissolve, the borax was completely dissolved, and then natural conductive graphite (CNT) or carbon nanofiber (CNT) or carbon carbide (Carborundum), a conductive material, was dissolved. After the powder is added and stirred for another 10 minutes, the polyvinyl alcohol-polyacrylic acid-sodium polyacrylate copolymer is mixed with the superabsorbent polymer in a state where the conductive material is completely dispersed in the solution. To be evenly dispersed within. As the superabsorbent polymer is mixed, the viscosity of the solution becomes higher, and finally, the solution loses fluidity, and thus, a latent heat storage material for conductive hydrogel type heating is formed, and when the conductive hydrogel is formed, it is difficult to mix the superabsorbent polymer. Stir well for 30 minutes to prevent. As a result, the dispersed conductive material is dispersed in the state trapped in the three-dimensional high-absorptive polymer mesh, so that the conductive hydrogel phase change heat storage material (7) that does not occur due to the specific gravity of the conductive material during phase conversion of the hydrogel heat storage material is produced. Prepared. The operation of the heat exchanger 8 is divided into the winter and summer seasons, and is divided into the case of the initial operation of the winter car and the case of the winter operation. During the initial winter operation of the vehicle, the heat storage heat of the heat exchanger 8 is supplied to the heating heat source in the vehicle via the auto damper 141 and the auto damper 142 and the auto damper 14 at the instant of power input. At the same time, in the operation of the cold start prevention system, the electric system provides a battery insulation box in which the battery electrolyte is wrapped with the conductive hydrogel phase conversion heat storage material (7) and the insulation material is wrapped around the outside, so that the battery output decreases due to the winter temperature drop. Prevent the increase factor of load. In addition, in the fuel system, fuel passing through the auto valve 144 passes through the heat dissipation tube 4 to prevent waxing of the fuel.In the case of an LPG vehicle, fuel is vaporized via the heat dissipation tube 4. While working with the Vaporizer. For the air intake system, warm air passing through the heat exchanger 8 is sucked into the turbocharger via the auto damper 142. For the step-by-step operation of such a device, the heat storage method of the heat exchanger 8 during autonomous operation is first exhausted from the engine combustion exhaust heat through the turbocharger to the muffler via the heat exchanger 8 to recover and store the engine combustion heat. When the heat storage tank sensor of the heat exchanger 8 detects a temperature higher than a set value, the heat exchanger 8 is supplied into the vehicle via the auto damper 14 in the summer damping direction from the auto damper 141. Secondly, the coolant that absorbed the high temperature from the engine is stored in the auto valve 143 via the heat radiating pipe 41 and supplied to the heat coil. At this time, when the heat exchanger (8) heat storage tank temperature is set abnormally, it is supplied directly to the heat coil without passing through the heat radiating pipe (41). Third, electric energy is the car

Generator and battery should be selected considering total power PW = PW1 + PW2 + 50Watt (total heat storage instantaneous electricity consumption 30%). In case that the regular vehicle equipped with this device uses electric energy for heat storage However, when the vehicle is parked for a long time and the heat storage of the heat exchanger 8 is lowered, it is consumed electric energy for operating the cold start system within 1 minute.

As described above, in order to provide comfortable and safe driving by supplying warm air at the same time as boarding a winter vehicle, the high speed diesel engine is widely used in the fields of small trucks, passenger cars, small construction machines, etc. in recent years. In consideration of the tendency of diesel fuel neutralization and lowered cetane value, securing startability becomes a more important problem. In addition, with regard to the environmental pollution problem, car exhaust emission regulations are being strengthened day by day, and various studies are being conducted to satisfy the regulations. Exhaust gas reduction technology can be largely divided into pretreatment technology and post-treatment technology. The pretreatment technology has been developed by precise control of the air-fuel ratio of the engine and improved combustion conditions in the cylinder. Post-treatment techniques also have had significant effects with the advent of catalysts. But when driving in FTP-75 mode

50 to 80% of the noxious emissions are released at the beginning of cold start because the noxious exhaust components emitted before the catalyst reaches the activation temperature (Light-offTemperature) are unconverted. As such, the exhaust gas converting capacity of the catalytic converter is the most governed function of the catalyst temperature, and a general method of improving the converting capacity of the catalyst is a time required for heating the catalyst to reach the activation temperature quickly. off time). One approach is to attach a catalyst directly to the exhaust manifold and to heat it using the waste heat of the exhaust gas. However, the catalyst is attached directly to the exhaust manifold so that the exhaust flow is concentrated on a specific part of the carrier. As a result, several considerations remain, such as partial degradation of the catalyst and internal temperature distribution. Therefore, the present invention provides a stable heat source to the cold start-related elements of the vehicle through a heat exchanger using a conductive hydrogel heat storage material, thereby preventing energy damage and increasing energy efficiency of the vehicle.

Claims (1)

The three-element automotive (electric, cooling water, exhaust heat) heat storage heating device recovers the electric energy and waste heat of the vehicle through the heat exchanger 8 having the inclined angles. The design of the heat exchanger 8 allows the supply and exhaust of air to pass through. Conducting hydrogel phase-translated latent heat storage material on the heat-exchanging surface where the heat exchanger plates with the inclined angle of 120 degrees are equally arranged at the center of the area bisected by the lengthwise direction of the path, and the hot plate with the inclined angles of the steep and double periods is in contact. Install a filling heat storage tank. The material of the heat exchanger 8 is SUS316 * 0.6T, which has the shape of the drawing and is airtightly manufactured by the brazing method, and the surface is formed on the straight side of the heat exchanger tube facing the heat exchanger plate by forming an anatase-based titanium dioxide coating film. The photocatalytic effect of ultraviolet light (386nm) irradiated from the UV lamp makes the air supply path decompose and sterilize pollutants contained in the outside air, and the exhaust path decomposes and discharges the combustion waste gas to clean the air supply and exhaust air at the same time. Have In addition, the heat exchange feature of the heat exchanger 8 is characterized by the fact that the gas moved to each supply and exhaust line enters the heat exchanger and is in line with the streamline and the gas traveling direction facing the inclination angle of the front end by the inclined angle (120 degrees). The streamline is going to go straight and the streamline going forward plays the main flow forward, and the streamline which has been compressed against the inclination angle is dispersed into a small eddy at the vertex of the inclination angle, falling along the inclination angle and into a smaller vortex. Repeated splitting generates a lot of eddies, attracting and dispersing heat and materials from the surroundings to maximize the irreversible phenomenon between the heat exchanger plates. In addition, the heat dissipation tube 4 of the heat exchanger 8 is embedded by dividing the heat exchange heat dissipation tube and the fuel circulation heat dissipation tube for engine coolant circulation. In addition, the conductive hydrogel phase conversion heat storage material (7) is made of a solution for the solution or by heating the addition of the crystallized forage or industrial manganese (Na2SO4) and borax, followed by heating to form a solution, and borax in the crystallized water in the melt After the mixture is stirred for 10 minutes to completely dissolve, the borax is completely dissolved, and then conductive natural natural graphite (CNT) or carbon nanofiber (CNT) or carbon nanotube (CNT) or silicon carbide ( After adding the powder and stirring for another 10 minutes, the polyvinyl alcohol-polyacrylic acid-sodium polyacrylate copolymer superabsorbent polymer is mixed in a state where the conductive material is completely dispersed in the solution. It was allowed to be evenly dispersed in the solution. As the superabsorbent polymer is mixed, the viscosity of the solution becomes higher, and finally, the solution loses fluidity, and thus, a latent heat storage material for conductive hydrogel type heating is formed, and when the conductive hydrogel is formed, it is difficult to mix the superabsorbent polymer. Stir well for 30 minutes to prevent. As a result, the dispersed conductive material is dispersed in the state trapped in the three-dimensional high-absorptive polymer mesh, so that the conductive hydrogel phase change heat storage material (7) that does not occur due to the specific gravity of the conductive material during phase conversion of the hydrogel heat storage material is produced. Prepared. The operation of the heat exchanger 8 is divided into the winter and summer seasons, and is divided into the case of the initial car operation in winter and the case of winter operation. During the initial winter operation, the heat storage heat of the heat exchanger 8 is supplied to the heating heat source in the car via the auto damper 141 and the auto damper 142 and the auto damper 14 at the moment the power is turned on. . At the same time, in the operation of the cold start prevention system, the electric system provides a battery insulation box in which the battery electrolyte is wrapped with the conductive hydrogel phase conversion heat storage material (7) and the insulation material is wrapped around the outside, so that the battery output decreases due to the winter temperature drop. Prevent the increase factor of load. In addition, in the fuel system, fuel passing through the auto valve 144 passes through the heat dissipation tube 4 to prevent waxing of the fuel.In the case of an LPG vehicle, fuel is vaporized via the heat dissipation tube 4. While working with the Vaporizer. For the air intake system, warm air passing through the heat exchanger 8 is sucked into the turbocharger via the auto damper 142. For the step-by-step operation of such a device, the heat storage method of the heat exchanger 8 during autonomous operation is first exhausted from the engine combustion exhaust heat through the turbocharger to the muffler via the heat exchanger 8 to recover and store the engine combustion heat. When the heat storage tank sensor of the heat exchanger 8 detects a temperature higher than the set value, the heat exchanger 8 is supplied into the vehicle via the auto damper 14 in the summer direction from the auto damper 141. Secondly, the coolant that has absorbed the high temperature from the engine is stored in the auto valve 143 via the heat radiating pipe 41 and supplied to the heat coil. At this time, when the heat exchanger 8 heat storage tank temperature is abnormally set, it is supplied directly to the heat coil without passing through the heat radiating pipe 41. Third, electrical energy is the total power of the car PW = PW1 + PW2 + 50Watt The generator and battery should be selected considering (30% of total heat storage instantaneous energy consumption), and the electric vehicle is equipped with this device in which no electric energy is used for heat storage. Three-element car (electric, cooling water, exhaust heat) regenerative heating supply having consumption electrical energy for cold start system operation within one minute when the heat storage in (8) is reduced

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