CN111845496B - Vehicle seat heating system utilizing exhaust waste heat of engine - Google Patents
Vehicle seat heating system utilizing exhaust waste heat of engine Download PDFInfo
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- CN111845496B CN111845496B CN202010720185.9A CN202010720185A CN111845496B CN 111845496 B CN111845496 B CN 111845496B CN 202010720185 A CN202010720185 A CN 202010720185A CN 111845496 B CN111845496 B CN 111845496B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
- B60N2/5692—Refrigerating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention relates to a vehicle seat heating system utilizing exhaust waste heat of an engine. The coiled pipe is arranged below the seat cushion of the automobile seat. The honeycomb duct sets up on engine exhaust duct. The air inlet end of the air inlet pipe is in through connection with the flow guide pipe, the air inlet of the air inlet pipe is located above the flow guide plate, the air outlet end of the air inlet pipe is in through connection with the inlet of the coiled pipe, the air inlet pipe is provided with an electric control valve, and the diameter of the air inlet pipe is smaller than that of an engine exhaust pipeline. The first exhaust pipe air inlet end is in through connection with the outlet of the coiled pipe, the first exhaust pipe exhaust end is in through connection with an engine exhaust pipeline, and a second one-way valve is arranged on the first exhaust pipe. The invention can heat the automobile seat by utilizing the waste heat of the exhaust of the engine.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a vehicle seat heating system utilizing exhaust waste heat of an engine.
Background
The automobile becomes the most important transportation means for people to live and work, and the keeping quantity of the automobile in China reaches 3.19 hundred million at present. The automobile brings convenience to life and work of people and also brings heavy burden to the environment, for example, the heat of automobile exhaust gas aggravates the greenhouse effect and the urban heat island effect.
At present, the automobile seat is heated in an electric heating mode, and electric energy is consumed; the heat of the engine exhaust is directly discharged into the air without secondary utilization, thereby not only intensifying the greenhouse effect and the urban heat island effect, but also wasting the heat energy.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention overcomes the defects of the prior art and provides the vehicle seat heating system utilizing the exhaust waste heat of the engine.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows:
a vehicle seat heating system utilizing exhaust waste heat of an engine comprises a coiled pipe, a flow guide pipe, an air inlet pipe and a first exhaust pipe.
The coiled pipe is arranged below the seat cushion of the automobile seat.
The honeycomb duct sets up on engine exhaust duct, and the honeycomb duct diameter is greater than engine exhaust duct diameter, and the inside guide plate that is equipped with the slope and arranges of honeycomb duct, the one end that the guide plate is close to the honeycomb duct air inlet is less than the one end that is close to the honeycomb duct gas vent, and the guide plate only leaves the space between one end that is close to the honeycomb duct air inlet and the honeycomb duct inner wall.
The air inlet end of the air inlet pipe is in through connection with the flow guide pipe, the air inlet of the air inlet pipe is located above the flow guide plate, the exhaust end of the air inlet pipe is in through connection with the inlet of the coiled pipe, the air inlet pipe is provided with an electric control valve, and the diameter of the air inlet pipe is smaller than that of an engine exhaust pipeline.
The air inlet end of the first exhaust pipe is communicated with the outlet of the coiled pipe, the exhaust end of the first exhaust pipe is communicated with an engine exhaust pipeline, and the first exhaust pipe is provided with a second one-way valve.
Preferably, an inlet connecting pipe is arranged at the inlet of the coiled pipe, an inlet electromagnetic three-way valve is arranged on the inlet connecting pipe, an outlet connecting pipe is arranged at the outlet of the coiled pipe, and an outlet electromagnetic three-way valve is arranged on the outlet connecting pipe.
Two inlets of the inlet electromagnetic three-way valve are respectively connected with an air inlet pipe and a liquid inlet pipe for cooling in a through mode, and two outlets of the outlet electromagnetic three-way valve are respectively connected with a first exhaust pipe and a cooling back air return pipe in a through mode.
The cooling back muffler end be equipped with the condenser, the condenser below is equipped with the collection liquid case, condenser and collection liquid case set up in car air intake grid rear, the total liquid return pipe and the collection liquid case through connection of condenser, the inside refrigerant that is equipped with of collection liquid case.
The inside immersible pump that is equipped with of collection liquid tank, immersible pump leakage fluid dram and cooling with feed liquor pipe through connection, the drive shaft end of immersible pump wear to establish to the collection liquid tank outside, the equipartition has a plurality of blades on the terminal periphery of drive shaft, the blade outside cover is equipped with wind-force driver.
The inner cavity of the wind power driver is cylindrical, the top surface of each blade is in contact with the inner wall of the wind power driver, and the wind power driver is provided with a gas inlet and a gas outlet.
The air receiving pipe is arranged between the flow guide pipe and the air inlet pipe, a first electromagnetic three-way valve is arranged at the outlet of the air receiving pipe, and two outlets of the first electromagnetic three-way valve are respectively communicated with the air inlet pipe and the air blowing pipe.
The air blowing pipe is communicated with an air inlet of the wind power driver, and an air outlet of the wind power driver is communicated with a second exhaust pipe.
The outlet of the second exhaust pipe and the outlet of the first exhaust pipe are communicated with an exhaust main pipe, the outlet of the exhaust main pipe is communicated with an engine exhaust pipeline, and the communicated joint of the outlet of the exhaust main pipe and the engine exhaust pipeline is positioned between the guide pipe and the tail gas post-treatment device.
Preferably, the condenser comprises a plurality of finned tubes which are vertically arranged, an upper U-shaped tube, a lower U-shaped tube, a liquid descending tube, a liquid collecting tube and a total liquid returning tube.
Two adjacent finned tubes are communicated and connected through an upper end U-shaped tube or a lower end U-shaped tube, and the upper end U-shaped tube and the lower end U-shaped tube are used alternately.
The lower end U-shaped pipe is vertically arranged below the lower end U-shaped pipe, the liquid collecting pipe is arranged below the lower end U-shaped pipe, and the lower end U-shaped pipe is communicated with the liquid collecting pipe through the liquid collecting pipe.
The liquid collecting pipe is communicated with the main liquid return pipe, and the main liquid return pipe is communicated with an opening at the lower end of the finned tube at the tail end of the condenser.
And after the temperature is reduced, the air return pipe is communicated with an opening at the upper end of the head finned tube at the front end of the condenser.
Preferably, a third check valve is arranged on the second exhaust pipe.
Preferably, a spray pipe is arranged between the air blowing pipe and an air inlet of the wind power driver, and the diameter of the spray pipe is gradually reduced from the air blowing pipe to the air inlet.
Preferably, the diameter of the air inlet of the wind power driver is smaller than that of the air outlet, and the included angle between the axis of the air inlet and the axis of the air outlet is 60-120 degrees.
Preferably, the inlet of the exhaust manifold is provided with a second electromagnetic three-way valve, the inlet of the second electromagnetic three-way valve is communicated with the first exhaust pipe and the second exhaust pipe, two outlets of the second electromagnetic three-way valve are respectively communicated with the exhaust manifold and an exhaust gas recirculation connecting pipe, and the exhaust gas recirculation connecting pipe is communicated with an engine intake pipe.
The exhaust manifold and the connecting part of the engine exhaust pipeline are obliquely arranged, and the exhaust manifold is gradually close to the engine exhaust pipeline along the airflow direction of the engine exhaust pipeline.
Preferably, the inlet of the coiled pipe is connected with a vertical channel at the inlet in a downward through manner, the outlet of the coiled pipe is connected with a vertical channel at the outlet in a downward through manner, and a barrier strip is arranged between the outlet of the coiled pipe and the outlet connecting pipe.
A storage tube is arranged between the vertical channel at the inlet and the vertical channel at the outlet, two ends of the storage tube are respectively communicated with the lower ends of the vertical channel at the inlet and the vertical channel at the outlet, and a cleaning ball is arranged in the storage tube.
The two ends of the lower part of the storage pipe are respectively provided with an inlet lifting device and an outlet lifting device, the inlet lifting device is positioned under the vertical channel of the inlet, and the outlet lifting device is positioned under the vertical channel of the outlet.
The tail end of the telescopic rod of the inlet lifting device is arranged in the storage pipe in a penetrating mode, a first supporting plate is arranged on the telescopic rod, a connecting rod is fixed above the first supporting plate and located on the circumferential face, close to the inlet connecting pipe, of the first supporting plate, a sealing plate is fixed above the connecting rod, the distance between the sealing plate and the first supporting plate is larger than the diameter of the storage pipe, and the first supporting plate and the sealing plate can slide up and down in the vertical channel at the inlet.
The tail end of the telescopic rod of the outlet lifting device penetrates through the storage tube and is provided with a second supporting plate, and the second supporting plate can slide up and down in the outlet vertical channel.
The storage tube is positioned on the end face of one end of the inlet vertical channel and is connected with a drainage tube in a through mode, and the other end of the drainage tube is connected with the first exhaust tube in a through mode.
Preferably, a first one-way valve is arranged on the drainage tube;
the inlet lifting device and the outlet lifting device both adopt electric cylinders;
the photoelectric correlation sensor is characterized in that a first photoelectric correlation sensor component is arranged above the vertical channel at the outlet, and a second photoelectric correlation sensor component is arranged below the vertical channel at the inlet.
A method for using automobile engine exhaust comprises the following steps:
A. when the automobile seat is cold and needs to be heated: adjusting the pipeline connection relation of the first electromagnetic three-way valve, the outlet electromagnetic three-way valve and the inlet electromagnetic three-way valve to enable part of engine tail gas in the diversion pipe to flow into the air inlet pipe, adjusting the amount of tail gas flowing into the serpentine pipe from the air inlet pipe by adjusting the valve opening of the electric control valve to realize temperature adjustment of the serpentine pipe, enabling tail gas exhausted by the serpentine pipe to flow into an engine exhaust pipeline through the first exhaust pipe and the exhaust main pipe, then treating the tail gas through the tail gas post-treatment device, and exhausting the tail gas through the automobile exhaust pipe;
B. the weather is hot, when needing to cool down car seat: the pipeline connection relation of the first electromagnetic three-way valve, the outlet electromagnetic three-way valve and the inlet electromagnetic three-way valve is adjusted, partial engine tail gas in the flow guide pipe flows into the blowing pipe, is sprayed into the wind driver after the speed is increased through the spray pipe, the blowing blade rotates to drive the submersible pump to work, and the refrigerant in the liquid collecting box is pumped into the liquid inlet pipe for cooling.
The tail gas after acting flows into an engine exhaust pipeline through a second exhaust pipe and an exhaust main pipe, is treated by a tail gas post-treatment device and is exhausted through an automobile exhaust pipe.
The refrigerant in the liquid inlet pipe for cooling flows into the coiled pipe, absorbs heat to evaporate, reduces the temperature of the coiled pipe, and plays a role in cooling the seat cushion of the automobile seat, the gasified refrigerant flows into the condenser through the air return pipe after cooling, and the gasified refrigerant flows into the liquid collection tank after heat release and liquefaction;
C. cleaning the inside of the coiled pipe: and closing the outlet electromagnetic three-way valve, adjusting a connecting pipeline of the inlet electromagnetic three-way valve to ensure that the air inlet pipe is communicated with the inlet connecting pipe, and lowering the second supporting plate to the bottom of the storage pipe by the outlet lifting device.
The intake pipe blows in inside tail gas of coiled pipe and flows into inside the storage pipe through the perpendicular passageway in exit, then blows in the inside clean ball of storage pipe on first layer board, and tail gas passes through the drainage tube and discharges.
After the second photoelectric correlation sensor detects that the cleaning ball is in place, the inlet lifting device pushes the first supporting plate to ascend, and the cleaning ball is conveyed to the inside of the coiled pipe.
The tail gas blown in by the air inlet pipe pushes the cleaning ball to move in the coiled pipe to wipe the inner wall of the coiled pipe.
When the first photoelectric correlation sensor detects the cleaning balls, the inlet lifting device drives the first supporting plate to move downwards to the lowest point to wait for the cleaning balls to move onto the first supporting plate again.
Compared with the prior art, the invention has the following beneficial effects:
(1) exhaust of the engine can flow into the coil pipe below the seat cushion to heat the seat cushion, so that the conventional electric heating mode is changed, and the effects of energy conservation and environmental protection are achieved.
(2) The tail gas flow into the coiled pipe is controlled by adjusting the opening degree of the electric valve, and then the heating temperature of the coiled pipe is controlled.
(3) The cooling chamber is needed to be cooled to the cushion in the natural heat, the submersible pump can be driven to operate through engine exhaust, the refrigerant is injected into the coiled pipe, the cushion is cooled, and the comfort of a user is improved.
(4) The exhaust manifold is connected with an exhaust gas recirculation connecting pipe, and part of engine exhaust can be discharged into an engine air inlet pipe, so that exhaust gas recirculation is realized, and the internal combustion effect of the engine is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a first layout view of a seat heating system for a vehicle using exhaust heat of an engine according to the present invention,
figure 2 is a second layout of the invention,
figure 3 is a third layout of the invention,
figure 4 is an enlarged view of a portion of the seat heater assembly of the present invention,
figure 5 is a cross-sectional view of the seat heating subassembly of the present invention,
figure 6 is a vertical sectional view of the air inlet end of the seat heating sub-assembly of the present invention,
figure 7 is a vertical cross-sectional view of the exhaust section of the seat heating sub-assembly of the present invention,
figure 8 is the cleaning ball inlet end lifting mechanism of the present invention,
figure 9 is a schematic view of the cleaning ball exhaust end lifting mechanism of the present invention,
figure 10 is an enlarged view of a portion of the condensing mechanism of the present invention,
figure 11 is a cross-sectional view of the condensing mechanism of the present invention,
FIG. 12 is an enlarged view of a portion of the liquid supply mechanism of the present invention,
figure 13 is a cross-sectional view of the drive end of the liquid supply mechanism of the present invention,
figure 14 is a cross-sectional view of a draft tube of the present invention,
FIG. 15 is a partial enlarged view of the condensation structure of the invention with the downcomer removed and the sump tank removed.
In the figure: 1-a coiled pipe, 101-an inlet connecting pipe, 102-an outlet connecting pipe, 1021-a barrier strip, 103-an inlet vertical channel, 104-an outlet vertical channel, 105-a first photoelectric correlation sensor component and 106-a second photoelectric correlation sensor component;
2-outlet electromagnetic three-way valve, 3-inlet electromagnetic three-way valve;
4-storage tube, 401-drainage tube, 4011-first one-way valve, 402-inlet lifting device, 4021-first supporting plate, 4022-sealing plate, 4023-connecting rod, 403-outlet lifting device, 4031-second supporting plate and 404-cleaning ball;
5-an engine exhaust pipeline, 501-a guide pipe, 5011-a guide plate, 502-an air receiving pipe, 5021-a first electromagnetic three-way valve, 503-an air inlet pipe, 5031-an electric control valve, 504-an air blowing pipe, 5041-a spray pipe and 505-a tail gas post-treatment device;
6-first exhaust pipe, 601-second one-way valve;
7-a second exhaust pipe, 701-a third one-way valve;
8-an exhaust main pipe, 801-a second electromagnetic three-way valve and 802-an exhaust gas recirculation connecting pipe;
9-condenser, 901-finned tube, 902-upper end U-shaped tube, 903-lower end U-shaped tube, 904-downcomer, 905-header pipe and 906-total liquid return pipe;
10-a liquid collection tank;
11-wind power driver, 1101-mounting plate, 1102-air inlet, 1103-air outlet;
12-submersible pump, 1201-drive shaft, 1202-vane;
13-air return pipe after cooling;
14-liquid inlet pipe for cooling.
Detailed Description
The accompanying drawings are preferred embodiments of a vehicle seat heating system using exhaust waste heat of an engine, and the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a vehicle seat heating system using exhaust waste heat of an engine includes a serpentine pipe 1, a flow guide pipe 501, an intake pipe 503 and a first exhaust pipe 6.
The coiled pipe 1 is arranged below a cushion of the automobile seat.
The air inlet end of an air inlet pipe 503 is communicated with the flow guide pipe 501, the air inlet of the air inlet pipe 503 is positioned above the flow guide plate 5011, the air outlet end of the air inlet pipe 503 is communicated with the inlet of the coiled pipe 1, the air inlet pipe 503 is provided with an electric control valve 5031, and the diameter of the air inlet pipe 503 is smaller than that of the engine exhaust pipeline 5.
The inlet end of the first exhaust pipe 6 is communicated with the outlet of the coiled pipe 1, the exhaust end of the first exhaust pipe 6 is communicated with the engine exhaust pipeline 5, the first exhaust pipe 6 is provided with a second one-way valve 601, and the opening direction of the second one-way valve 601 is that gas flows from the coiled pipe 1 to the engine exhaust pipeline 5.
As shown in fig. 4, an inlet connection pipe 101 is provided at an inlet of the serpentine pipe 1, an inlet three-way solenoid valve 3 is provided on the inlet connection pipe 101, an outlet connection pipe 102 is provided at an outlet of the serpentine pipe 1, and an outlet three-way solenoid valve 2 is provided on the outlet connection pipe 102. The outlet electromagnetic three-way valve 2 and the inlet electromagnetic three-way valve 3 can be replaced by a three-way pipe and two electric control valves.
Two inlets of the inlet electromagnetic three-way valve 3 are respectively connected with an air inlet pipe 503 and a cooling liquid inlet pipe 14 in a through way, and two outlets of the outlet electromagnetic three-way valve 2 are respectively connected with a first exhaust pipe 6 and a cooling air return pipe 13 in a through way.
As shown in the attached drawings 10 and 11, the tail end of the air return pipe 13 is provided with a condenser 9 after the temperature is reduced, a liquid collecting tank 10 is arranged below the condenser 9, the condenser 9 and the liquid collecting tank 10 are arranged behind an air inlet grille of the automobile, and air flowing in through the air inlet grille can cool the condenser 9 and the liquid collecting tank 10 in the running process of the automobile.
The condenser 9 comprises a plurality of vertically arranged finned tubes 901, an upper end U-shaped tube 902, a lower end U-shaped tube 903, a lower liquid pipe 904, a liquid collecting pipe 905 and a total liquid return pipe 906.
Two adjacent finned tubes 901 are connected through an upper U-shaped tube 902 or a lower U-shaped tube 903, and the upper U-shaped tube 902 and the lower U-shaped tube 903 are used alternately.
The lower end U-shaped pipe 903 is vertically arranged below the lower end U-shaped pipe 904 through the lower pipe 904, the liquid collecting pipe 905 is arranged below the lower end U-shaped pipe 904, and the lower end U-shaped pipe 903 and the liquid collecting pipe 905 are communicated through the lower pipe 904.
The liquid collecting pipe 905 is communicated with a main liquid returning pipe 906, the main liquid returning pipe 906 is communicated with the lower end opening of the finned tube 901 at the tail end of the condenser 9, and the main liquid returning pipe 906 is communicated with the liquid collecting tank 10. In order to facilitate the flow of the liquid refrigerant inside header pipe 905 into the inside of main liquid return pipe 906, header pipe 905 may be obliquely arranged.
After the temperature is reduced, the air return pipe 13 is communicated with an opening at the upper end of the first finned tube 901 at the front end of the condenser 9.
Refrigerant is filled in the liquid collecting tank 10 below the condenser 9, the refrigerant adopts r11 or anhydrous ether or n-pentane or dichloromethane, the boiling point of r11 is 23.8 ℃, the boiling point of the anhydrous ether is 34.4 ℃, and the boiling point of the n-pentane is 36.1 ℃.
Or as shown in fig. 15, the condenser 9 includes a plurality of vertically arranged finned tubes 901, an upper U-shaped tube 902, a lower U-shaped tube 903, and a main liquid return tube 906. Two adjacent finned tubes 901 are connected in a penetrating manner through upper end U-shaped tubes 902 or lower end U-shaped tubes 903, and the upper end U-shaped tubes 902 and the lower end U-shaped tubes 903 are alternately used. The total liquid return pipe 906 is connected with the lower end opening of the finned tube 901 at the tail end of the condenser 9 in a penetrating way, and the total liquid return pipe 906 is connected with the liquid collecting tank 10 in a penetrating way. After the temperature is reduced, the air return pipe 13 is communicated with an opening at the upper end of the first finned tube 901 at the front end of the condenser 9.
Meanwhile, the liquid collection tank 10 can contain pure water, which is treated soft water, in addition to the refrigerant.
A submersible pump 12 is arranged in the liquid collecting box 10, and as shown in attached figures 12 and 13, a liquid outlet of the submersible pump 12 is communicated with a liquid inlet pipe 14 for cooling. The tail end of a driving shaft 1201 of the submersible pump 12 penetrates through the outside of the liquid collecting tank 10, a plurality of blades 1202 are uniformly distributed on the circumferential surface of the tail end of the driving shaft 1201, and a wind power driver 11 is covered outside the blades 1202. The end of the wind driven stage 11 facing the header tank 10 is provided with a mounting plate 1101, and the mounting plate 1101 is fixed to the header tank 10 by bolts.
The inner cavity of the wind power driver 11 is cylindrical, and the top surface and the side surface of the blade 1202 are both contacted with the inner wall of the wind power driver 11. An air inlet 1102 and an air outlet 1103 are arranged on the wind power driver 11, the diameter of the air inlet 1102 of the wind power driver 11 is smaller than that of the air outlet 1103, and the included angle between the axis of the air inlet 1102 and the axis of the air outlet 1103 ranges from 60 degrees to 120 degrees. The blades 1202 divide the interior cavity of the wind driver 11 into several separate chambers.
An air receiving pipe 502 is arranged between the guide pipe 501 and the air inlet pipe 503, a first electromagnetic three-way valve 5021 is arranged at the outlet of the air receiving pipe 502, and two outlets of the first electromagnetic three-way valve 5021 are respectively communicated with the air inlet pipe 503 and the air blowing pipe 504.
The air blowing pipe 504 is connected to an air inlet 1102 of the wind power driver 11. In order to increase the speed of the air flowing into the air inlet 1102 from the air blowing pipe 504, a nozzle 5041 is arranged between the air blowing pipe 504 and the air inlet 1102 of the wind power driver 11, and the diameter of the nozzle 5041 is gradually reduced from the air blowing pipe 504 to the air inlet 1102. An air outlet 1103 of the wind power driver 11 is connected with a second exhaust pipe 7 in a penetrating manner, and a third one-way valve 701 is arranged on the second exhaust pipe 7.
The outlet of the second exhaust pipe 7 and the outlet of the first exhaust pipe 6 are both communicated with an exhaust manifold 8, the outlet of the exhaust manifold 8 is communicated with an engine exhaust pipeline 5, and the communicated joint between the outlet of the exhaust manifold 8 and the engine exhaust pipeline 5 is positioned between the flow guide pipe 501 and the exhaust gas post-treatment device 505.
The inlet of the exhaust manifold 8 is provided with a second electromagnetic three-way valve 801, the inlet of the second electromagnetic three-way valve 801 is communicated with the first exhaust pipe 6 and the second exhaust pipe 7, two outlets of the second electromagnetic three-way valve 801 are respectively communicated with the exhaust manifold 8 and an exhaust gas recirculation connecting pipe 802, and the exhaust gas recirculation connecting pipe 802 is communicated with an engine intake pipe. The communicating path of the second electromagnetic three-way valve 801 can be adjusted, so that engine exhaust flows into the engine air inlet pipe through the exhaust gas recirculation connecting pipe 802 to participate in the engine work again, exhaust gas recirculation is achieved, and the fuel economy of the engine is improved.
The connecting part of the exhaust manifold 8 and the engine exhaust pipeline 5 is obliquely arranged, and the exhaust manifold 8 is gradually close to the engine exhaust pipeline 5 along the airflow direction of the engine exhaust pipeline 5.
The exhaust gas of the engine is often introduced into the serpentine pipe 1, and dirt such as carbon deposition may be formed in the serpentine pipe, so that the serpentine pipe needs to be cleaned regularly. Therefore, as shown in fig. 5, an inlet vertical passage 103 is connected to the inlet of the serpentine tube 1 downward, an outlet vertical passage 104 is connected to the outlet of the serpentine tube 1 downward, and a barrier 1021 is provided between the outlet of the serpentine tube 1 and the outlet connecting tube 102.
A storage tube 4 is arranged between the inlet vertical channel 103 and the outlet vertical channel 104, and two ends of the storage tube 4 are respectively communicated with the lower ends of the inlet vertical channel 103 and the outlet vertical channel 104. The storage tube 4 is provided with a spherical cleaning ball 404 inside, the diameter of the cleaning ball 404 is the same as the inner diameter of the serpentine tube 1, and the barrier 1021 prevents the cleaning ball 404 from being blown into the outlet connection tube 102.
As shown in fig. 6, 7, 8 and 9, an inlet lifting device 402 and an outlet lifting device 403 are respectively arranged at two lower ends of the storage tube 4, the inlet lifting device 402 is positioned right below the inlet vertical passage 103, and the outlet lifting device 403 is positioned right below the outlet vertical passage 104. The inlet lifting device 402 and the outlet lifting device 403 both adopt electric cylinders.
The tail end of the telescopic rod of the inlet lifting device 402 penetrates through the storage pipe 4 and is provided with a first supporting plate 4021, and a connecting rod 4023 is fixed above the first supporting plate 4021. The connecting bar 4023 is located on the circumferential surface of the first retainer plate 4021 near the inlet connection pipe 101 so that the connecting bar 4023 does not affect the rolling of the cleaning balls 404 onto the first retainer plate 4021. A sealing plate 4022 is fixed above the connecting rod 4023, a distance between the sealing plate 4022 and the first plate 4021 is greater than a diameter of the storage tube 4, and the first plate 4021 and the sealing plate 4022 can slide up and down inside the vertical passage 103 at the inlet.
The end of the telescopic rod of the outlet lifting device 403 penetrates into the storage tube 4, and is provided with a second support plate 4031, and the second support plate 4031 can slide up and down in the outlet vertical channel 104.
The end face, located at the inlet, of one end of the vertical channel 103 of the storage tube 4 is connected with a drainage tube 401 in a penetrating manner, the other end of the drainage tube 401 is connected with a first drainage tube 6 in a penetrating manner, and a first check valve 4011 is arranged on the drainage tube 401.
A first photoelectric correlation sensor component is arranged above the outlet vertical channel 104, and a second photoelectric correlation sensor component is arranged below the inlet vertical channel 103.
A method for using automobile engine exhaust comprises the following steps:
A. when the automobile seat is cold and needs to be heated: adjusting the pipeline connection relationship among the first electromagnetic three-way valve 5021, the outlet electromagnetic three-way valve 2 and the inlet electromagnetic three-way valve 3, so that part of engine exhaust in the diversion pipe 501 flows into the air inlet pipe 503, adjusting the amount of exhaust in the air inlet pipe 503 flowing into the serpentine pipe 1 by adjusting the valve opening of the electric control valve 5031, realizing temperature adjustment of the serpentine pipe 1, allowing the exhaust discharged from the serpentine pipe 1 to flow into the engine exhaust pipeline 5 through the first exhaust pipe 6 and the exhaust main pipe 8, and then being discharged through the automobile exhaust pipe after being processed by the exhaust post-processing device 505;
B. the weather is hot, when needing to the car seat cooling: adjusting the pipe connection relation of the first electromagnetic three-way valve 5021, the outlet electromagnetic three-way valve 2 and the inlet electromagnetic three-way valve 3, allowing part of the engine exhaust gas in the draft tube 501 to flow into the blowing pipe 504, spraying into the wind driver 11 after being accelerated by the spraying pipe 5041, blowing the blade 1202 to rotate, driving the submersible pump 12 to work, and pumping the refrigerant in the liquid collecting tank 10 into the liquid inlet pipe 14 for cooling.
The exhaust gas after working flows into the engine exhaust pipe 5 through the second exhaust pipe 7 and the exhaust manifold 8, is treated by the exhaust gas post-treatment device 505, and is discharged through the automobile exhaust pipe.
The refrigerant in the liquid inlet pipe 14 for cooling flows into the coiled pipe 1, absorbs heat for evaporation, reduces the temperature of the coiled pipe 1, and plays a role in cooling the seat cushion of the automobile seat, and the gasified refrigerant flows into the condenser 9 through the air return pipe 13 after cooling, releases heat for liquefaction, and flows into the liquid collection tank 10;
C. cleaning the inside of the coiled pipe 1: the outlet electromagnetic three-way valve 2 is closed, the connecting pipeline of the inlet electromagnetic three-way valve 3 is adjusted, the air inlet pipe 503 is communicated with the inlet connecting pipe 101, and the outlet lifting device 403 lowers the second support plate 4031 to the bottom of the storage pipe 4.
The tail gas blown into the coiled pipe 1 by the gas inlet pipe 503 flows into the storage pipe 4 through the vertical channel 104 at the outlet, then the cleaning ball 404 in the storage pipe 4 is blown into the first supporting plate 4021, and the tail gas is discharged through the drainage pipe 401.
When the second photo-correlation sensor 106 detects that the cleaning ball 404 is in place, the inlet lifting device 402 pushes the first blade 4021 to lift, so as to transport the cleaning ball 404 to the inside of the coiled pipe 1.
The tail gas blown in by the gas inlet pipe 503 pushes the cleaning ball 404 to move inside the serpentine pipe 1, and wipes the inner wall of the serpentine pipe 1.
When the first photo electric correlation sensor 105 detects the cleaning ball 404, the inlet lifting device 402 drives the first supporting plate 4021 to move down to the lowest point, and waits for the cleaning ball 404 to move onto the first supporting plate 4021 again.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. The utility model provides an utilize automobile-used seat heating system of engine exhaust waste heat which characterized in that:
comprises a coiled pipe (1), a draft tube (501), an air inlet pipe (503) and a first exhaust pipe (6),
the coiled pipe (1) is arranged below a cushion of the automobile seat,
the guide pipe (501) is arranged on the engine exhaust pipeline (5), the diameter of the guide pipe (501) is larger than that of the engine exhaust pipeline (5), the guide plate (5011) which is obliquely arranged is arranged in the guide pipe (501), one end, close to the air inlet of the guide pipe (501), of the guide plate (5011) is lower than one end, close to the air outlet of the guide pipe (501), a gap is reserved between one end, close to the air inlet of the guide pipe (501), of the guide plate (5011) and the inner wall of the guide pipe (501),
the air inlet end of an air inlet pipe (503) is communicated with the flow guide pipe (501), the air inlet of the air inlet pipe (503) is positioned above the flow guide plate (5011), the air outlet end of the air inlet pipe (503) is communicated with the inlet of the coiled pipe (1), an electric control valve (5031) is arranged on the air inlet pipe (503), the diameter of the air inlet pipe (503) is smaller than that of an engine exhaust pipeline (5),
the air inlet end of the first exhaust pipe (6) is communicated with the outlet of the coiled pipe (1), the exhaust end of the first exhaust pipe (6) is communicated with the exhaust pipeline (5) of the engine, the first exhaust pipe (6) is provided with a second one-way valve (601),
an inlet connecting pipe (101) is arranged at the inlet of the coiled pipe (1), an inlet electromagnetic three-way valve (3) is arranged on the inlet connecting pipe (101), an outlet connecting pipe (102) is arranged at the outlet of the coiled pipe (1), an outlet electromagnetic three-way valve (2) is arranged on the outlet connecting pipe (102),
two inlets of the inlet electromagnetic three-way valve (3) are respectively connected with an air inlet pipe (503) and a liquid inlet pipe (14) for cooling in a through way, two outlets of the outlet electromagnetic three-way valve (2) are respectively connected with a first exhaust pipe (6) and a return air pipe (13) after cooling in a through way,
the tail end of the air return pipe (13) after cooling is provided with a condenser (9), a liquid collecting tank (10) is arranged below the condenser (9), the condenser (9) and the liquid collecting tank (10) are arranged behind an automobile air inlet grille, a total liquid return pipe (906) of the condenser (9) is communicated with the liquid collecting tank (10), a refrigerant is filled in the liquid collecting tank (10),
a submersible pump (12) is arranged in the liquid collecting tank (10), a liquid outlet of the submersible pump (12) is communicated with a liquid inlet pipe (14) for cooling, the tail end of a driving shaft (1201) of the submersible pump (12) is arranged outside the liquid collecting tank (10) in a penetrating way, a plurality of blades (1202) are uniformly distributed on the circumferential surface of the tail end of the driving shaft (1201), a wind driver (11) is covered outside the blades (1202),
the inner cavity of the wind power driver (11) is cylindrical, the top surface of the blade (1202) is contacted with the inner wall of the wind power driver (11), the wind power driver (11) is provided with a gas inlet (1102) and a gas outlet (1103),
an air receiving pipe (502) is arranged between the honeycomb duct (501) and the air inlet pipe (503), a first electromagnetic three-way valve (5021) is arranged at the outlet of the air receiving pipe (502), two outlets of the first electromagnetic three-way valve (5021) are respectively communicated with the air inlet pipe (503) and the air blowing pipe (504),
the air blow pipe (504) is communicated with an air inlet (1102) of the wind power driver (11), an air outlet (1103) of the wind power driver (11) is communicated with a second exhaust pipe (7),
the outlet of the second exhaust pipe (7) and the outlet of the first exhaust pipe (6) are communicated with an exhaust main pipe (8), the outlet of the exhaust main pipe (8) is communicated with an engine exhaust pipeline (5), and the communicated joint of the outlet of the exhaust main pipe (8) and the engine exhaust pipeline (5) is positioned between a flow guide pipe (501) and a tail gas post-processing device (505).
2. The seat heating system for vehicles using exhaust heat of engine as set forth in claim 1, wherein:
the condenser (9) comprises a plurality of finned tubes (901), an upper U-shaped tube (902), a lower U-shaped tube (903), a lower liquid pipe (904), a liquid collecting pipe (905) and a total liquid return pipe (906) which are vertically arranged,
two adjacent finned tubes (901) are communicated and connected through an upper U-shaped tube (902) or a lower U-shaped tube (903), the upper U-shaped tube (902) and the lower U-shaped tube (903) are alternately used,
the lower end U-shaped pipe (903) is vertically arranged below the lower end U-shaped pipe (904), the liquid collecting pipe (905) is arranged below the lower end U-shaped pipe (904), the lower end U-shaped pipe (903) is communicated with the liquid collecting pipe (905) through the lower end U-shaped pipe (904),
the liquid collecting pipe (905) is communicated with the total liquid return pipe (906), the total liquid return pipe (906) is communicated with the lower end opening of the finned tube (901) at the tail end of the condenser (9),
the air return pipe (13) is communicated with an opening at the upper end of the first finned tube (901) at the front end of the condenser (9) after temperature reduction.
3. The seat heating system for vehicles using exhaust heat of the engine as set forth in claim 2, wherein:
and a third one-way valve (701) is arranged on the second exhaust pipe (7).
4. The seat heating system for vehicles using exhaust heat of the engine as set forth in claim 2, wherein:
and a spray pipe (5041) is arranged between the air blow pipe (504) and the air inlet (1102) of the wind power driver (11), and the diameter of the spray pipe (5041) is gradually reduced from the air blow pipe (504) to the air inlet (1102).
5. The seat heating system for vehicles using exhaust gas waste heat of an engine according to claim 2, characterized in that:
the diameter of the air inlet (1102) of the wind power driver (11) is smaller than that of the air outlet (1103), and the included angle between the axis of the air inlet (1102) and the axis of the air outlet (1103) ranges from 60 degrees to 120 degrees.
6. The seat heating system for vehicles using exhaust heat of the engine as set forth in claim 2, wherein:
a second electromagnetic three-way valve (801) is arranged at the inlet of the exhaust manifold (8), the inlet of the second electromagnetic three-way valve (801) is communicated with the first exhaust pipe (6) and the second exhaust pipe (7), two outlets of the second electromagnetic three-way valve (801) are respectively communicated with the exhaust manifold (8) and an exhaust gas recirculation connecting pipe (802), the exhaust gas recirculation connecting pipe (802) is communicated with an engine intake pipe,
the connecting part of the exhaust manifold (8) and the engine exhaust pipeline (5) is obliquely arranged, and the exhaust manifold (8) is gradually close to the engine exhaust pipeline (5) along the airflow direction of the engine exhaust pipeline (5).
7. The seat heating system for vehicles using exhaust gas waste heat of an engine according to claim 2, characterized in that:
an inlet vertical channel (103) is connected with the inlet of the coiled pipe (1) in a downward through way, an outlet vertical channel (104) is connected with the outlet of the coiled pipe (1) in a downward through way, a barrier strip (1021) is arranged between the outlet of the coiled pipe (1) and the outlet connecting pipe (102),
a storage tube (4) is arranged between the vertical channel (103) at the inlet and the vertical channel (104) at the outlet, two ends of the storage tube (4) are respectively communicated with the vertical channel (103) at the inlet and the lower end of the vertical channel (104) at the outlet, a cleaning ball (404) is arranged in the storage tube (4),
an inlet lifting device (402) and an outlet lifting device (403) are respectively arranged at two ends of the lower part of the storage tube (4), the inlet lifting device (402) is positioned right below the inlet vertical channel (103), the outlet lifting device (403) is positioned right below the outlet vertical channel (104),
the tail end of an expansion rod of the inlet lifting device (402) penetrates through the storage pipe (4) and is provided with a first supporting plate (4021), a connecting rod (4023) is fixed above the first supporting plate (4021), the connecting rod (4023) is positioned on the circumferential surface of the first supporting plate (4021) close to the inlet connecting pipe (101), a sealing plate (4022) is fixed above the connecting rod (4023), the distance between the sealing plate (4022) and the first supporting plate (4021) is greater than the diameter of the storage pipe (4), the first supporting plate (4021) and the sealing plate (4022) can slide up and down in the inlet vertical channel (103),
the tail end of a telescopic rod of the outlet lifting device (403) penetrates into the storage pipe (4) and is provided with a second supporting plate (4031), the second supporting plate (4031) can slide up and down in the outlet vertical channel (104),
the end face of one end, located at the inlet, of the storage tube (4) and perpendicular to the channel (103) is connected with a drainage tube (401) in a penetrating mode, and the other end of the drainage tube (401) is connected with the first exhaust pipe (6) in a penetrating mode.
8. The seat heating system for vehicles using exhaust gas waste heat of an engine according to claim 7, characterized in that:
a first one-way valve (4011) is arranged on the drainage tube (401);
the inlet lifting device (402) and the outlet lifting device (403) both adopt electric cylinders;
a first photoelectric correlation sensor assembly is arranged above the outlet vertical channel (104), and a second photoelectric correlation sensor assembly is arranged below the inlet vertical channel (103).
9. The method for using the exhaust gas of the automobile engine of the seat heating system for the automobile using the exhaust gas waste heat of the engine as claimed in any one of claims 1 to 8, comprising the steps of:
A. when the automobile seat is cooled by the weather, the heating is required to be carried out: adjusting the pipeline connection relation of a first electromagnetic three-way valve (5021), an outlet electromagnetic three-way valve (2) and an inlet electromagnetic three-way valve (3), enabling part of engine tail gas in a guide pipe (501) to flow into an air inlet pipe (503), adjusting the amount of tail gas flowing into the serpentine pipe (1) from the air inlet pipe (503) by adjusting the valve opening of an electric control valve (5031), realizing temperature adjustment of the serpentine pipe (1), enabling the tail gas exhausted by the serpentine pipe (1) to flow into an engine exhaust pipeline (5) through a first exhaust pipe (6) and an exhaust main pipe (8), and then being exhausted through an automobile exhaust pipe after being processed by a tail gas post-processing device (505);
B. the weather is hot, when needing to the car seat cooling: adjusting the pipeline connection relation of a first electromagnetic three-way valve (5021), an outlet electromagnetic three-way valve (2) and an inlet electromagnetic three-way valve (3), enabling part of engine tail gas in a draft tube (501) to flow into an air blowing tube (504), accelerating through a spray tube (5041) and then spraying into a wind driver (11), blowing a blade (1202) to rotate to drive a submersible pump (12) to work, pumping refrigerant in a liquid collecting tank (10) into a liquid inlet tube (14) for cooling,
the tail gas after doing work flows into an engine exhaust pipeline (5) through a second exhaust pipe (7) and an exhaust main pipe (8), is treated by a tail gas post-treatment device (505) and is exhausted through an automobile exhaust pipe,
the refrigerant in the liquid inlet pipe (14) for cooling flows into the coiled pipe (1), absorbs heat for evaporation, reduces the temperature of the coiled pipe (1), and plays a role in cooling the seat cushion of the automobile seat, the gasified refrigerant flows into the condenser (9) through the air return pipe (13) after cooling, and flows into the liquid collecting tank (10) after heat release and liquefaction;
C. cleaning the inside of the coiled pipe (1): closing the outlet electromagnetic three-way valve (2), adjusting a connecting pipeline of the inlet electromagnetic three-way valve (3) to ensure that the air inlet pipe (503) is communicated with the inlet connecting pipe (101), lowering the second supporting plate (4031) to the bottom of the storage pipe (4) by the outlet lifting device (403),
tail gas blown into the coiled pipe (1) by the gas inlet pipe (503) flows into the storage pipe (4) through the vertical channel (104) at the outlet, then a cleaning ball (404) in the storage pipe (4) is blown into the first supporting plate (4021), the tail gas is discharged through the drainage pipe (401),
after the second photoelectric correlation sensor (106) detects that the cleaning ball (404) is in place, the inlet lifting device (402) pushes the first supporting plate (4021) to ascend to convey the cleaning ball (404) to the inside of the coiled pipe (1),
tail gas blown in by the air inlet pipe (503) pushes the cleaning ball (404) to move in the coiled pipe (1) to wipe the inner wall of the coiled pipe (1),
when the first photoelectric correlation sensor (105) detects the cleaning ball (404), the inlet lifting device (402) drives the first supporting plate (4021) to move downwards to the lowest point, and the cleaning ball (404) is waited to move onto the first supporting plate (4021) again.
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| CN202010720185.9A CN111845496B (en) | 2020-07-24 | 2020-07-24 | Vehicle seat heating system utilizing exhaust waste heat of engine |
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| CN202010720185.9A CN111845496B (en) | 2020-07-24 | 2020-07-24 | Vehicle seat heating system utilizing exhaust waste heat of engine |
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| CN111845496B true CN111845496B (en) | 2022-07-15 |
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| CN101927716A (en) * | 2009-06-18 | 2010-12-29 | 南安市柳城高捷图文设计工作室 | Exhaust heating cushion |
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| CN101927716A (en) * | 2009-06-18 | 2010-12-29 | 南安市柳城高捷图文设计工作室 | Exhaust heating cushion |
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