CN112127992A

CN112127992A - Hybrid internal combustion engine using liquid carbon dioxide

Info

Publication number: CN112127992A
Application number: CN202011106739.2A
Authority: CN
Inventors: 文东红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2020-12-25

Abstract

The invention discloses a hybrid power internal combustion engine using liquid carbon dioxide, which adds a pneumatic motor, a turbocharger, a vehicle-mounted refrigerator and an external fire extinguishing and purging device in the prior art. The invention relates to a vehicle-mounted refrigerator which is driven by carbon dioxide gas, which is another attempt besides the traditional turbocharging and mechanical supercharging, wherein the vehicle-mounted refrigerator refrigerated by liquid carbon dioxide provides new driving experience for passengers and is convenient for special people to demand, and a hose with a spray gun and a pneumatic quick connector replaces a traditional fire extinguisher with limited capacity to perform a more effective fire extinguishing or purging function outside a vehicle and a ship. The invention does not change the main structure of the existing internal combustion engine, greatly improves the thermal efficiency of the internal combustion engine, is beneficial to saving the design cost and is convenient for popularization and application.

Description

Hybrid internal combustion engine using liquid carbon dioxide

Technical Field

The present invention relates to an internal combustion engine using liquid carbon dioxide.

Background

According to the existing theory and design, the thermal efficiency of the internal combustion engine is almost close to the limit, and the thermal efficiency increased by 1 percent can be called as a new generation internal combustion engine, and for breakthrough, the application number: 2019108361180A six-stroke internal combustion engine using liquid carbon dioxide is a method that a carbon dioxide nozzle is arranged on a cylinder of a four-stroke internal combustion engine, two strokes are added, carbon dioxide is used for absorbing exhaust waste heat and cooling waste heat of the internal combustion engine and then is sprayed into the cylinder again to expand to push a piston to do work again, although the thermal efficiency can be greatly improved, the defect is obvious: the mode of cooling expansion in the cylinder has new requirements on the material of the cylinder body due to the stress generated by the alternation of cold and heat, and meanwhile, the existing mature internal combustion engine technology cannot be fully utilized due to the added nozzles, the changed valve actuating mechanism and the like, so that the design waste is caused.

The inventor applies for the invention name on 29/4/2020: a six-stroke internal combustion engine using liquid carbon dioxide, application No. 202010353293.7; i applied for invention name 6/1/2020: four-stroke or two-stroke internal combustion engines using liquid carbon dioxide, application No. 202010484336.5; the internal combustion engine using liquid carbon dioxide is improved, and the pneumatic motor, the turbocharger, the vehicle-mounted refrigerator and the external fire extinguishing and purging equipment are further added on the basis of the previous two times.

Disclosure of Invention

The invention aims to provide a hybrid power internal combustion engine using liquid carbon dioxide, which is a mode that on the basis of the basic structure of the existing internal combustion engine, cold energy contained in the liquid carbon dioxide is firstly utilized to refrigerate an air conditioner of a passenger compartment, and then high-pressure carbon dioxide gas generated by absorbing exhaust waste heat discharged by the internal combustion engine and cooling waste heat by the carbon dioxide is utilized to drive a pneumatic motor to work so as to solve the problems that the existing internal combustion engine has low heat efficiency, and the application of the liquid carbon dioxide in a high-efficiency internal combustion engine is not facilitated due to the fact that the distribution structure of the internal combustion engine needs to be changed although the heat efficiency of.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hybrid power internal combustion engine using liquid carbon dioxide comprises a liquid conveying pipe, a pressurization gas tank, a storage tank cabin, a passenger cabin, an internal combustion engine air inlet and a carbon dioxide return pipe, and is characterized in that a refrigerator air conditioning all-in-one machine is arranged in the passenger cabin, a cold air outlet with a louver and a cold air inlet with a louver are arranged on the refrigerator air conditioning all-in-one machine, one end of the refrigerator liquid conveying pipe is connected with a tee joint of the liquid conveying pipe through a first check valve, the other end of the refrigerator liquid conveying pipe is connected with a first tee joint through a leakage protection valve, a refrigeration coil pipe arranged on the refrigerator liquid conveying pipe is arranged in the refrigerator air conditioning all-in-one machine, and the refrigerator;

the internal combustion engine cabin is provided with a pneumatic motor, one end of the pneumatic motor is connected with the pressurization gas tank, the other end of the pneumatic motor is connected with rear-end equipment through a pneumatic motor exhaust pipe, and high-pressure carbon dioxide gas in the pressurization gas tank becomes a power source of the pneumatic motor.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a rotating shaft of a pneumatic motor is connected with a power output shaft of the internal combustion engine, a rotating speed sensor is arranged on the power output shaft of the internal combustion engine, a rotating speed signal fed back by the rotating speed sensor is transmitted to an air outlet regulating valve of a booster gas tank, and the air outlet regulating valve controls air outlet quantity to keep the rotating speed of the pneumatic motor matched with the rotating speed of the power output shaft of the internal combustion engine, so that the function of the pneumatic motor is effectively transmitted to the power output shaft of the internal combustion engine.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a generator and a motor with a clutch are additionally arranged in an internal combustion engine cabin, the motor is connected with a storage battery through a motor power line, a pneumatic motor is coaxially connected with the generator, the generator is connected with the motor and the storage battery through a generator output line, the storage battery is connected with an external charging socket to supplement power for the storage battery, and a motor power switch is arranged on the motor power line.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a turbocharger is arranged in an internal combustion engine cabin, a power air inlet of the turbocharger is connected with an exhaust pipe of a pneumatic motor, exhaust gas discharged by the pneumatic motor is used as a driving air source of the turbocharger, a heat absorption coil is arranged in an air inlet passage of the internal combustion engine, one end of the heat absorption coil is connected with a booster gas tank through a third air return pipe, the other end of the heat absorption coil is connected with the bottom of the booster gas tank through a third air transfer pump connected with a cooling air pipe, and a cooling air pipe orifice of the cooling air pipe extends deep into the booster gas tank at a position close to an air inlet, so that cold carbon dioxide in the tank can be absorbed conveniently, and a heat dissipation circulation system of compressed gas of the turbocharger of.

A hybrid internal combustion engine using liquid carbon dioxide is characterized in that a cold air inlet with shutters and a cold air outlet with shutters of a fan are opened and closed simultaneously.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a return pipe orifice of a carbon dioxide return pipe extends into the middle bottom of a liquid carbon dioxide storage tank, and a liquid conveying pipe orifice of a liquid conveying pipe is arranged at the opening of the liquid carbon dioxide storage tank.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a return pipe orifice of a carbon dioxide return pipe is arranged at the opening of a liquid carbon dioxide storage tank, and a pipe orifice of a liquid conveying pipe extends into the middle bottom of the liquid carbon dioxide storage tank.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized in that a life detection and automatic control switch is arranged in a passenger compartment and is respectively connected with a liquid outlet valve and a branch drain valve to control the opening of the two valves, so that an emergency air-conditioning cooling device for people accidentally trapped in the passenger compartment during parking is formed.

A hybrid power internal combustion engine using liquid carbon dioxide is characterized by further comprising a movable fire extinguishing hose which is independently arranged, one end of the fire extinguishing hose is connected with a spray gun with a switch, the other end of the fire extinguishing hose is connected with a pneumatic quick connector, and the pneumatic quick connector is connected with a pneumatic quick connector with a release hole and a pneumatic quick connector to form an external fire extinguishing or purging device for a vehicle and a ship.

The invention has the beneficial effects that:

(1) the four sets of heat circulating devices convert part of the exhaust waste heat, the cooling waste heat, the human body heat dissipation, the climate heat and the waste heat generated during the turbocharging of compressed air of the internal combustion engine into mechanical energy, thereby greatly improving the heat efficiency of the internal combustion engine.

(2) The vehicle and ship of the invention can be used for driving without additionally burdening an air conditioner compressor, mechanical power can be used for driving, the dynamic property of the vehicle and ship is greatly enhanced, the discharge capacity of the internal combustion engine can be greatly reduced, the oil consumption and the exhaust emission can be reduced when the vehicle and ship reaches the same running speed as the vehicle and ship using the traditional internal combustion engine, and the liquid carbon dioxide provides sufficient cold source, so that the expensive vehicle-mounted refrigerator configured only by high-end luxury vehicles originally becomes a standard configuration on the common vehicle and ship, the quality of the vehicle and ship is greatly improved, and the riding experience of users is improved.

(3) Compared with a six-stroke internal combustion engine, the heat efficiency can be greatly improved under the condition of not changing the basic structure of the internal combustion engine, the existing mature internal combustion engine design can be fully utilized, the design cost and the social cost are saved, and the novel internal combustion engine is convenient to popularize and apply in time.

(4) The traditional turbocharger has poor response due to small exhaust gas amount when the internal combustion engine rotates at low speed, the use cost and the manufacturing cost are increased when the turbocharger works under the condition of extremely high temperature, although the mechanical supercharger can respond in time when the internal combustion engine rotates at low speed, the high-pressure carbon dioxide gas turbocharging of the invention does not additionally consume the power of the internal combustion engine, can respond in time when the internal combustion engine rotates at a low speed, can timely improve the power of the internal combustion engine and improve the driving experience, and simultaneously, an impeller and a bearing of the turbocharger work at relatively low ambient temperature, the requirements on the strength and the material of the impeller are relatively low, the requirements of the bearing on lubrication are reduced, the manufacturing cost and the maintenance cost of the turbocharger are reduced, and a new choice is provided for air inlet pressurization after the traditional turbocharging and mechanical pressurization.

(5) The pneumatic motor can also provide power for starting the internal combustion engine or assist the starting motor to start the internal combustion engine when enough air quantity and pressure are stored in the booster air tank, so that the pneumatic motor has great benefits in winter and when the storage battery is in short of power, and can even directly replace the starting motor, thereby providing a choice for starting the internal combustion engine.

(6) The heat dissipation of the traditional front internal combustion engine is strictly arranged according to the air inlet grille, the heat dissipation water tank and the heat dissipation fan in sequence, the single layout occupies a large space of the locomotive, and the carbon dioxide absorbs the cooling heat of the cylinder.

(7) Generally, when an internal combustion engine works, the high temperature of an exhaust manifold easily causes the ignition of an internal combustion engine room, the fire disaster is found to be uncontrollable in the driving state and the like, the invention firstly arranges an exhaust heat radiating device to greatly reduce the high temperature of the exhaust manifold, eliminates the hidden trouble, then arranges an automatic carbon dioxide spraying device in the internal combustion engine room to well solve the problem, and can extinguish the fire disaster at other parts of a vehicle body by arranging a carbon dioxide branch exhaust pipe and a pneumatic quick joint arranged outside the vehicle through connecting pipelines to release carbon dioxide, and the vehicle-mounted liquid carbon dioxide is equivalent to a flowing fire truck.

(8) The popularization of the invention can effectively promote the industrial preparation and storage of the liquid carbon dioxide, is beneficial to energy conservation and emission reduction, and the combination of the storage of a large amount of liquid carbon dioxide and the filling station and the gas station is beneficial to preventing and timely extinguishing the oil gas detonation disaster.

(9) Carbon dioxide is an important raw material for photosynthesis of plants, the carbon dioxide is in a gas state and is inconvenient to transport and store, the carbon dioxide and other raw materials are combined into a solid fertilizer for agricultural use in the fertilizer industry, the conversion is really energy waste, the vehicle-mounted liquid carbon dioxide can be directly applied to facility cultivation agriculture to greatly improve the yield of crops, the carbon dioxide has coverage after falling to the ground due to the specific gravity of the carbon dioxide is greater than that of air, and the carbon dioxide can also be directly applied to farmlands in a windless state to be absorbed and utilized by the crops, so that the vehicle-mounted liquid carbon dioxide has very important significance for energy conservation and emission reduction.

(10) The temperature of the internal combustion engine cabin and the tail gas is obviously reduced, the refrigeration can be realized without the hot gas emission of the traditional air conditioner external hanging machine, the infrared detection can be effectively avoided, and the application of the internal combustion engine in the military field is facilitated.

(11) Because the liquid carbon dioxide contains a large amount of cold energy, the vehicle-mounted refrigeration system can be used for refrigerating by using electric power and evaporating partial carbon dioxide when the internal combustion engine is not started, so that the vehicle-mounted refrigeration system greatly reduces the vehicle-mounted refrigeration cost, saves fuel oil, has no noise of the engine, has no risk of carbon monoxide poisoning, and is very suitable for the requirement of refrigeration when the vehicle is not in operation.

(12) The traditional fire extinguisher on a vehicle or a ship is convenient to move by considering manpower, so that the fire extinguisher is designed to have limited capacity, the fire extinguishing agent has time-effect and the like, so that the fire extinguishing effect is limited, the replacement cost is high and time-consuming, the fire extinguishing hose with the spray gun can conveniently extinguish fire without moving a heavy fire extinguishing tank, a large amount of carbon dioxide in the liquid storage tank can effectively extinguish the vehicle or the ship and adjacent fire, the carbon dioxide in the liquid storage tank is frequently used and new, the trouble and cost of the traditional canned fire extinguishing agent for time-effect limitation and regular replacement are avoided, and the fire extinguisher is not worried about being stolen.

(13) The air conditioner of the traditional vehicle and ship only drives the refrigeration work when the internal combustion engine is started, and has cold air and slow response, when the vehicle and ship stops in summer and closes a window, the temperature of the traditional vehicle and ship rises quickly, and old, weak, sick and disabled who are forgotten in a passenger compartment are easy to face the danger of high-temperature suffocation dehydration, and the life detection and automatic control switch of the invention automatically tracks and opens the liquid outlet valve and the first valve when sensing the life signs of the passenger compartment, and starts to take away the high-temperature waste heat refrigeration mode in the passenger compartment by utilizing the discharged part of carbon dioxide so as to ensure the safety of passengers.

Drawings

In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the description of the embodiments or prior art are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive step.

Fig. 1 is a schematic view of an air supply structure in embodiment 1 of the present invention.

Fig. 2 is a schematic view of the gas supply structure in embodiment 2 of the present invention.

Fig. 3 is a schematic view of the gas supply structure in embodiment 3 of the present invention.

Fig. 4 is a schematic view of the gas supply structure in embodiment 4 of the present invention.

The reference numbers of the attached drawings indicate that 1-a liquid carbon dioxide storage tank, 2-a safety valve, 3-a liquid outlet valve, 4-a filling port, 5-a liquid conveying pipe, 6-a first three-way valve, 7-a three-way valve, 8-a first one-way valve, 9-a refrigerator liquid conveying pipe, 10-a refrigerator cold air all-in-one machine, 11-a cold air inlet with a louver, 12-a refrigeration coil, 13-a cold air outlet with a fan and a louver, 14-a leakage protection valve, 15-a branch exhaust pipe, 16-a liquid conveying pump, 17-a first valve, 18-a pneumatic quick joint with a release hole, 19-a second one-way valve, 20-a pressurized air tank, 21-a pressurized air tank, an air outlet pipe, 22-a second three-way control valve, 23-an air outlet adjusting valve, 26-a power output shaft of an internal combustion engine, 27-a rotating speed sensor, 28-an exhaust pipe of a pneumatic motor, 29-a power air inlet of the turbocharger, 30-the turbocharger, 31-an exhaust pipe of the turbocharger, 32-a cooling channel of the internal combustion engine, 33-a water conveying pipe, 34-a circulating water pump, 35-a water return pipe, 36-a heat exchange water tank, 37-a radiating coil, 38-a second air return pipe, 39-an air supply pipe, 40-a second air supply pump, 41-a heat exchanger, 42-a first air return pipe, 43-an air conveying pipe, 44-a first air supply pump, 45-an exhaust pipe, 46-an air inlet of the internal combustion engine, 47-a carbon dioxide air return pipe, 48-a manual-automatic integrated fire extinguishing valve, 49-a manual fire extinguishing switch, 50-, 52-third one-way valve, 53-cooling air supply pipe, 54-third air supply pump, 55-heat absorption coil, 56-third air return pipe, 57-cooling air supply pipe orifice, 58-storage tank cabin, 59-passenger cabin, 60-internal combustion engine cabin, 61-electric motor, 62-clutch, 63-motor shaft, 64-electric motor power switch, 65-storage battery, 66-electric motor power wire, 67-electric generator output wire, 68-electric generator, 69-external charging socket, 70-life detection and automatic control switch, 71-liquid conveying pipe orifice, 72-air return pipe orifice, 73-spray gun with switch, 74-fire hose, 75-pneumatic quick interface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples of the present invention without any inventive step, are within the scope of the present invention.

The carbon dioxide turbocharging design is another original turbocharging mode besides an internal combustion engine exhaust turbocharger and an internal combustion engine mechanical turbocharging system (a supercharger connected by a motor or an output shaft of the internal combustion engine), and the air compression cooling of the intake air is also original by utilizing the cold energy contained in the carbon dioxide.

Example 1

The invention relates to a hybrid internal combustion engine using liquid carbon dioxide, which comprises a storage tank cabin 58, a passenger cabin 59 and an internal combustion engine cabin 60.

The structure of embodiment 1 of the present invention is as shown in fig. 1, a liquid carbon dioxide storage tank 1 is arranged in a storage tank cabin 58, a filling port 4 is arranged on the liquid carbon dioxide storage tank 1, one end of a liquid conveying pipe 5 is connected with the liquid carbon dioxide storage tank 1, the other end is connected with a booster tank 20 to form a gas supply pipeline of liquid carbon dioxide, and a safety valve 2, a liquid outlet valve 3, a first three-way valve 6, a three-way valve 7, a branch exhaust pipe 15, a liquid conveying pump 16 and a second one-way valve 19 are sequentially arranged on the liquid.

The filling port 4 is used for filling or supplementing liquid carbon dioxide into the liquid carbon dioxide storage tank 1.

The safety valve 2 automatically opens the discharged carbon dioxide when the pressure of the liquid carbon dioxide storage tank 1 reaches a safety critical value so as to ensure safety.

A branch exhaust pipe 15, an infusion pump 16, a second one-way valve 19, a pressurization gas tank 20 and a carbon dioxide return pipe 47 are arranged on the infusion pipe 5 at the section 60 of the internal combustion engine cabin; the branch exhaust pipe 15 is provided with a first valve 17 and a pneumatic quick connector 18 with a release hole, and the pneumatic quick connector 18 with the release hole is arranged outside the vehicle and far away from the passenger compartment 59, so that the special leaked carbon dioxide gas does not affect the safety of passengers when the air conditioner is independently used.

The second one-way valve 19 allows only carbon dioxide to flow to the booster tank 20. The high-pressure carbon dioxide in the pressurized gas tank 20 is prevented from flowing back into the liquid delivery pipe 5 to maintain the pressure in the pressurized gas tank 20.

The two ends of the carbon dioxide return pipe 47 are respectively connected with the second three-way valve 22 and the liquid carbon dioxide storage tank 1, the return air valve 50 and the third one-way valve 52 are sequentially arranged on the carbon dioxide return pipe, the manual-automatic integrated fire-extinguishing valve 48 is arranged on the internal combustion engine compartment section on the carbon dioxide return pipe, and the manual fire-extinguishing switch 49 arranged in the passenger compartment can manually control the manual-automatic integrated fire-extinguishing valve 48 to be opened.

The manual-automatic fire valve 48 can also be arranged on any pipeline carrying carbon dioxide in the engine compartment.

The carbon dioxide return pipe 47 is provided with a pneumatic quick connector 51 which can be used as a pneumatic power source interface or fire extinguishing purging air for vehicles and ships needing pneumatic power.

The third check valve 52 prevents the carbon dioxide in the liquid carbon dioxide storage tank 1 from flowing backward into the carbon dioxide return pipe 47.

All exposed carbon dioxide pipelines and storage tanks are wrapped by heat-insulating materials for heat insulation.

The technical innovation of the invention is that a refrigerator cold air all-in-one machine 10 is arranged in a passenger compartment 59, a cold air outlet 13 with a fan and a cold air inlet 11 with a shutter are arranged on the refrigerator cold air all-in-one machine 10, one end of a refrigerator liquid conveying pipe 9 is connected with a tee joint 7 of the liquid conveying pipe through a first one-way valve 8, the other end of the refrigerator liquid conveying pipe 9 is connected with a first three-way valve 6 after passing through a leakage protection valve 14, a refrigerating coil 12 arranged on the refrigerator liquid conveying pipe 9 is arranged in the refrigerator cold air all-in-one machine 10, and the refrigerator liquid conveying pipe 9 and the refrigerating coil 12 on the refrigerator liquid conveying.

The first one-way valve 8 only allows carbon dioxide to flow to the tee 7.

The cold air inlet 11 with the shutter and the cold air outlet 13 with the fan and the shutter are opened and closed simultaneously.

Cold energy brought by liquid carbon dioxide in a pipeline of a refrigerator liquid conveying pipe 9 provides a cold source for a refrigerator cold air all-in-one machine 10, a cold air inlet 11 with shutters provides cold air for a passenger compartment, and the shutters can be closed when the cold air is not used. Since carbon dioxide is a suffocation gas, a leakage protection valve 14 is provided on a carbon dioxide line entering the passenger compartment, and when there is a leakage of carbon dioxide, the leakage protection valve 14 is automatically closed and the first check valve 8 cannot return carbon dioxide from the three-way valve 7 to secure the safety of passengers.

The heat of the articles stored in the refrigerator-air conditioner integrated machine 10, the climate heat in the passenger compartment 59 and the heat dissipated by human bodies are absorbed by the carbon dioxide in the refrigerating coil 12, then enter the infusion tube 5 along the refrigerator infusion tube 9, and are pumped into the booster tank 20 by the infusion pump 16 to boost the pressure of the carbon dioxide in the tank for storing energy, and the passengers and the stored articles in the refrigerator obtain cold energy.

The passenger compartment 59 is divided into a cooling mode or a non-cooling mode as required: in the non-cooling mode, the first three-way valve 6 is controlled to allow the carbon dioxide liquid to directly enter the booster tank 20 without passing through the refrigerator liquid conveying pipe 9; in the cooling mode, the first three-way valve 6 is controlled, a pipeline between the first three-way valve 6 and the three-way valve 7 is cut off, and liquid carbon dioxide flows through the refrigerator liquid conveying pipe 9 and the refrigerating coil pipe 12 to cool the passenger compartment 59 and then enters the supercharger tank 20.

The liquid carbon dioxide contains a large amount of cold energy, the internal combustion engine can be used for cooling the passenger compartment without starting the internal combustion engine, when the liquid carbon dioxide in the liquid carbon dioxide storage tank 1 is sufficient and needs to be refrigerated for the passenger compartment 59 or the refrigerator cold air all-in-one machine 10, the first three-way valve 6 is controlled to enable the liquid carbon dioxide to keep circulating in the passenger compartment 59, and the liquid outlet valve 3 and the first valve 17 on the branch exhaust pipe 15 are opened to enable part of the carbon dioxide to be slowly evaporated from the pneumatic quick connector 18 with the release hole to carry away heat for refrigeration.

When the electricity is sufficient and the liquid carbon dioxide storage tank 1 and the pressurization gas tank 20 have residual space, the liquid outlet valve 3 and the gas return valve 50 are opened, the first valve 17 is closed to enable the first three-way valve 6 to keep the carbon dioxide to circulate in the passenger compartment 58, the infusion pump 16 is started to pump the carbon dioxide into the pressurization gas tank 20 and the liquid carbon dioxide storage tank 1, and the cold energy and the flow of the liquid carbon dioxide are utilized to carry away the heat in the passenger compartment 59 for refrigeration.

When the engine is in operation, the first valve 17 is closed and the remaining valves are open.

The invention is also innovative in that a life detection and automatic control switch 70 arranged in the passenger compartment 59 is connected with the branch drain valve 17 and the liquid outlet valve 3 and controls the opening of the two valves, so that the emergency air-conditioning cooling device for people accidentally trapped in the passenger compartment during parking is formed. When doors and windows of a vehicle and a ship are closed, an engine is flamed out, old, weak, sick and disabled people stay in the vehicle, the life detection and automatic control switch 70 can detect, track and sense the existence of life and moving objects in the vehicle, control the opening of the first valve 17 and the liquid outlet valve 3 when the temperature reaches a specific temperature, start an air conditioner in the vehicle, and reduce the temperature in the vehicle in a manner of releasing carbon dioxide to take away heat, so that the safety of people and other organisms is guaranteed;

the tail gas of the internal combustion engine containing a large amount of heat energy is wasted except that part of the automobile models are used as the power of the turbocharger. The invention installs the heat exchanger 41 on the exhaust pipe 45, one end of the heat exchanger 41 is connected with the booster gas tank 20 through the air feed pipe 43 and the first air pump 44 on the air feed pipe, another end of the heat exchanger 41 is connected with the carbon dioxide booster gas tank 20 through the first muffler 42, form the exhaust gas heat cycle system of the internal-combustion engine; the first gas transmission pump 44 transmits the cold carbon dioxide in the pressurized gas tank 20 to the heat exchanger 41, heats the carbon dioxide by using the exhaust gas, and then transmits the heated carbon dioxide back to the pressurized gas tank 20 to store energy for pressurization.

The cylinder cooling heat of a general internal combustion engine is wasted by dissipating most of the heat energy by the radiator tank and the fan, in addition to heating the passenger compartment 59 in winter. The invention is provided with a heat exchange water tank 36, the heat exchange water tank 36 is connected with an internal combustion engine cooling channel 32 through a water return pipe 35, the other end of the internal combustion engine cooling channel 32 is communicated with a circulating water pump 34 through a water delivery pipe 33 and then is connected with the heat exchange water tank 34 to form an internal combustion engine cooling water circulating system; the circulating water pump 34 pumps the antifreeze solution heated in the engine cooling channel 32 into the heat exchange water tank 36, and the antifreeze solution in the heat exchange water tank 36 flows back into the engine cooling channel 32 along the water return pipe 35 due to pressure.

Meanwhile, a heat dissipation coil 37 is arranged in the heat exchange water tank 36, one end of the heat dissipation coil 37 is connected with the supercharged air tank 20 through a second air return pipe 38, and the other end of the heat dissipation coil 37 is connected with the supercharged air tank 20 through an air feed pipe 39 and a second air feed pump 40 on the air feed pipeline to form a cooling waste heat circulating system; the heat energy in the heat exchange water tank 36 is carried into the carbon dioxide pressurized gas tank 20 by the flow of carbon dioxide.

The technical innovation of the invention is that a pneumatic motor 25 is further arranged, an air inlet 24 of the pneumatic motor is connected with an outlet of a second three-way control valve 22 after being connected with an air outlet adjusting valve 23, the other two outlets of the second three-way control valve 22 are respectively connected with an air outlet at the top of a booster gas tank 20 and a carbon dioxide return air pipe 47, and high-pressure carbon dioxide gas in the booster gas tank becomes a power source of the pneumatic motor.

The rotating shaft of the pneumatic motor 25 in this embodiment 1 is connected to the output shaft 26 of the internal combustion engine, a rotation speed sensor 27 is disposed on the output shaft 26 of the internal combustion engine, a rotation speed signal fed back by the rotation speed sensor 27 is transmitted to the air outlet regulating valve 23, and the air outlet regulating valve 23 controls the air outlet amount to keep the rotation speed of the pneumatic motor 25 matched with the rotation speed of the output shaft 26 of the internal combustion engine, so that the function performed by the pneumatic motor 25 is effectively transmitted to the output shaft 26 of the internal combustion engine.

When the internal combustion engine does not work, the air return valve 50 and the air outlet regulating valve 23 are closed, the supercharged air tank 20 has enough air volume and pressure, when the internal combustion engine needs to be started, the air outlet regulating valve 23 is opened, and the pneumatic motor 25 is started, so that the starting of the motor can be assisted, and even the motor can be used as power for starting the internal combustion engine without being started.

As shown in fig. 2 and 4, the technical innovation of the invention is that the muffler pipe orifice 72 of the carbon dioxide muffler 47 is inserted into the middle bottom of the liquid carbon dioxide storage tank 1, and the infusion tube orifice 71 of the infusion tube 5 is arranged at the mouth of the liquid carbon dioxide storage tank 1, because the return temperature is high, the pressure is high, and the carbon dioxide molecules move fast, the liquid carbon dioxide in the liquid carbon dioxide storage tank 1 can be effectively pressed into the infusion tube 5, so that the air conditioner can conveniently obtain cold energy; or in embodiment 1 and embodiment 3, as shown in fig. 1 and fig. 3, the muffler pipe orifice 72 of the muffler 47 is arranged at the mouth of the liquid carbon dioxide storage tank 1, the infusion pipe orifice 71 of the infusion pipe 5 extends into the middle bottom of the liquid carbon dioxide storage tank 1, and pressure is generated in the tank by utilizing the characteristics of high return temperature and high pressure and rapid movement of carbon dioxide molecules, so that the infusion pipe 5 sends relatively cold carbon dioxide into the vehicle-mounted air conditioner to effectively obtain cold energy; because the distance between the mouth 71 of the infusion tube and the mouth 72 of the air return tube is close, the returned air directly enters the infusion tube due to the high pressure, violent molecular movement and hotter returned air carbon dioxide, and the refrigeration efficiency of the air conditioner is reduced.

Example 2

The technical innovation of the invention is that on the basis of embodiment 1, a generator 68 and a motor 61 with a clutch 62 are additionally arranged, the motor 61 is connected with a storage battery 65 through a motor power line 66, a rotating shaft of the pneumatic motor 25 is not connected with the power output shaft 26 of the internal combustion engine but is coaxially connected with the generator 68, the generator 68 is connected with the motor 61 and the storage battery 65 through a generator output line 67, a charging line externally connected with a charging socket 69 is connected with the storage battery 65, the storage battery 65 is supplemented with electric power when parking and external power supply are convenient, a motor power switch 64 is arranged on the motor power line 66, and the storage battery 65 is supplemented with cheap network power when parking and external power supply are convenient.

When the vehicle or vessel is started, climbs a slope or needs to accelerate, the motor power switch 64 is closed, so that the electric power stored in the storage battery 65 and the electric power generated by the generator 68 are supplied to the motor 61 to supplement the running power of the vehicle or vessel. The invention can close the internal combustion engine for the low-speed running of the vehicle and the ship when the electric power stored in the storage battery is sufficient, solve the disadvantages of low fuel efficiency and large emission pollution when the vehicle and the ship run at idle speed or low speed, and the clutch 62 separates the connection between the motor shaft 63 and the power output shaft 26 of the internal combustion engine when the power of the internal combustion engine can meet the running requirement of the vehicle and the ship so as to avoid the power consumption of the internal combustion engine by the motor.

The pneumatic motor 25 of embodiment 1 is directly connected to the power output shaft 26 of the internal combustion engine, and has the advantages of direct power conversion, high strength, simple structure, and capability of replacing a starting motor by the pneumatic motor.

The pneumatic motor 25 of the embodiment 2 is not connected with the power output shaft 26 of the internal combustion engine, but is connected with the generator 68, so that a set of electric motor system is added on the basis of the embodiment 1, referring to fig. 2, redundant electric power of the internal combustion engine can be stored in the storage battery 65, and then the electric power in the storage battery is supplied to the electric motor connected with the output shaft of the internal combustion engine when the vehicle or the ship starts to accelerate, and the electric motor is used for outputting power cooperatively. The hybrid power system has the advantages that the hybrid power system is equivalent to the hybrid power system composed of the existing internal combustion engine, the storage battery and the motor, the internal combustion engine can rotate at an economical speed (the running state is most fuel-saving), the slope is climbed, the accelerating (at the moment, the power of the internal combustion engine is relatively insufficient) motor is connected with the power output shaft of the internal combustion engine, the power of the storage battery drives the motor to move electrically, the internal combustion engine is helped to do work to produce power, even when the power of the storage battery is sufficient, the internal combustion engine stops working when the vehicle and the ship run at a low speed, the motor directly drives the vehicle and the ship to run, so that the purpose of saving fuel is achieved, because the internal combustion engine runs at a low speed with the most fuel consumption and serious pollution emission, the form is expensive, the structure is more complex than that of the embodiment 1, the fuel is more fuel-saving, the low speed,

example 3

As shown in fig. 3, based on embodiment 1, the technical innovation of the present invention is that a turbocharger 30 is provided for the internal combustion engine, a power inlet 29 of the turbocharger is connected with an exhaust pipe 28 of the pneumatic motor, and the exhaust gas of the pneumatic motor 24 is used as a driving air source of the turbocharger 30.

A heat absorption coil pipe 55 is arranged in the air inlet duct 46 of the internal combustion engine, one end of the heat absorption coil pipe 55 is connected with the supercharged air tank 20 through a third air return pipe 56, the other end of the heat absorption coil pipe 55 is connected with the bottom of the supercharged air tank 20 through a cooling air feed pipe 53 and a third air feed pump 54 of the cooling air feed pipe, and a cooling air feed pipe mouth 57 of the cooling air feed pipe 53 extends into the supercharged air tank 20 to be close to the air inlet, so that the carbon dioxide in the tank can be absorbed conveniently, and a heat dissipation circulating system of the compressed air of the turbocharger of the; the third gas transmission pump 54 pumps the cold carbon dioxide gas at the bottom of the pressurized gas tank 20 into the heat absorption coil 55, absorbs the heat generated by the compressed air of the turbocharger 30, and then inputs the heat into the pressurized gas tank 20 through the third gas return pipe 56 to store energy for the pressurization.

The internal combustion engine exhaust pipe 45 and the turbocharger exhaust pipe 31 can be independently arranged generally, if the infrared characteristics need to be concealed, the internal combustion engine exhaust pipe 45 and the turbocharger exhaust pipe 31 can be combined into a whole at the middle and rear ends, and high and low temperature gases of the internal combustion engine exhaust pipe 45 and the turbocharger exhaust pipe 31 are mixed to lighten the infrared characteristics and reduce the risks of infrared detection and tracking.

Example 4

As shown in fig. 4, the combination of embodiment 2 and embodiment 3 is also the most comprehensive technical solution.

The technical innovation of the invention is that an independent movable fire-extinguishing hose 74 is arranged by utilizing the high-quality fire-extinguishing material of liquid carbon dioxide, one end of the fire-extinguishing hose 74 is connected with a spray gun 73 with a switch, the other end of the fire-extinguishing hose is connected with a pneumatic quick connector 75, the pneumatic quick connector 75 can be connected with the pneumatic quick connector 18 with a release hole and the pneumatic quick connector 51 to form an external fire-extinguishing or purging system for vehicles and ships, so as to replace the traditional fire extinguisher on vehicles and ships, one or more movable equipment of the fire-extinguishing hose 74 with the switch spray gun 73 and the pneumatic quick connector 75 can be configured and can be independently or respectively placed in a place convenient to take and use, the pneumatic quick connector 51 provides high-pressure carbon dioxide gas, the pneumatic quick connector 18 with the release hole provides carbon dioxide liquid with lower pressure, and field personnel can select the movable.

The pneumatic quick connector 18 with the release hole and the pneumatic quick connector 51 are of the same specification and can be connected with a pneumatic quick connector 75.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides an use hybrid power internal-combustion engine of liquid carbon dioxide, includes transfer line (5), booster tank (20), storage tank cabin (58), passenger cabin (59), internal-combustion engine cabin (60), internal-combustion engine intake duct (46) and carbon dioxide muffler (47), characterized by is in set up refrigerator air conditioning all-in-one (10) in passenger cabin (59), be equipped with on refrigerator air conditioning all-in-one (10) and take air conditioning air intake (11) of tripe that take fan to have air conditioning air outlet (13) of tripe and take, tee bend (7) of transfer line are connected through first check valve (8) to the one end of refrigerator transfer line (9), the other end of refrigerator transfer line (9) is through leaking first three-way valve (6) of reconnection behind protection valve (14) refrigeration coil pipe (12) that set up on refrigerator transfer line (9) set up in refrigerator air conditioning all-, the refrigerator infusion tube (9) and the refrigeration coil (12) together constitute a heat exchange system of the passenger compartment (59);

a life detection and automatic control switch (70) is arranged in the passenger compartment and is respectively connected with the liquid outlet valve (3) and the branch drain valve (17) and controls the opening of the two valves to form an emergency air-conditioning cooling device when people are accidentally trapped in the passenger compartment during parking;

and arranging a pneumatic motor (25) in the internal combustion engine cabin (60), wherein one end of the pneumatic motor (25) is connected with the booster gas tank (20), the other end of the pneumatic motor (25) is connected with rear-end equipment through a pneumatic motor exhaust pipe (28), and high-pressure carbon dioxide gas in the booster gas tank (20) becomes a power source of the pneumatic motor (25).

2. The hybrid internal combustion engine using liquid carbon dioxide as claimed in claim 1, wherein a rotating shaft of the pneumatic motor (25) is connected with a power output shaft (26) of the internal combustion engine, a rotating speed sensor (27) is arranged on the power output shaft (26) of the internal combustion engine, a rotating speed signal fed back by the rotating speed sensor (27) is transmitted to the air outlet regulating valve (23) of the supercharged air tank (20), and the air outlet regulating valve (23) controls air outlet quantity to enable the rotating speed of the pneumatic motor (25) to be matched with the rotating speed of the power output shaft (26) of the internal combustion engine, so that the function of the pneumatic motor (23) is effectively transmitted to the power output shaft (26) of the internal combustion engine.

3. A hybrid internal combustion engine using liquid carbon dioxide as defined in claim 1, characterized in that a generator (68) and an electric motor (61) with a clutch (62) are added in said engine compartment (60), said electric motor (61) is connected to a battery (65) through a motor power line (66), said pneumatic motor (25) is coaxially connected to said generator (68), said generator (68) is connected to said electric motor (61) and said battery (65) through a generator output line (67), said battery (65) is connected to an external charging socket (69) for supplementing electric power to said battery (65), and a motor power switch (64) is provided on said motor power line (66).

4. The hybrid internal combustion engine using liquid carbon dioxide according to claim 1, wherein a turbocharger (30) is provided in the engine room (60), a turbocharger power intake port (29) is connected to the air motor exhaust pipe (28) to allow exhaust gas from the air motor (25) to serve as a driving gas source for the turbocharger (30), a heat absorbing coil (55) is provided in the engine intake duct (46), one end of the heat absorbing coil (55) is connected to the boost tank (20) through a third return air pipe (56), the other end is connected to the bottom of the boost tank (20) through a cooling air feed pipe (53) and a third air feed pump (54) for the cooling air feed pipe, and a cooling air feed pipe (57) of the cooling air feed pipe (53) is inserted into the boost tank (20) at a position close to the intake port, the cold carbon dioxide in the absorption tank is convenient to absorb, and a heat dissipation circulating system of the compressed gas of the turbocharger of the internal combustion engine is formed.

5. The hybrid internal combustion engine using liquid carbon dioxide as set forth in claim 1, wherein said louvered cold air intake port (11) and said fan louvered cold air outlet port (13) are opened and closed simultaneously.

6. The hybrid internal combustion engine using liquid carbon dioxide according to claim 3, wherein a muffler nozzle (72) of the carbon dioxide muffler (47) is inserted into a middle bottom portion of the liquid carbon dioxide storage tank (1), and a tube nozzle (71) of the infusion tube (5) is provided at an opening portion of the liquid carbon dioxide storage tank (1).

7. The hybrid internal combustion engine using liquid carbon dioxide according to claim 4, wherein a muffler nozzle (72) of the carbon dioxide muffler (47) is provided at an opening of the liquid carbon dioxide storage tank (1), and a tube nozzle (71) of the infusion tube (5) is inserted into a middle bottom of the liquid carbon dioxide storage tank (1).

8. The hybrid internal combustion engine using liquid carbon dioxide as claimed in claim 1, further comprising an independently installed movable fire hose (74), wherein one end of the fire hose (74) is connected to a spray gun (73) with a switch, and the other end is connected to a pneumatic quick connector (75), and the pneumatic quick connector (75) is connected to the pneumatic quick connector (18) with a release hole and the pneumatic quick connector (51) to form an external fire extinguishing or purging device for vehicles and ships.