CN112838243A

CN112838243A - Oxyhydrogen self-supply vehicle, oxyhydrogen self-supply ambulance and oxyhydrogen self-supply method for vehicle

Info

Publication number: CN112838243A
Application number: CN202110229377.4A
Authority: CN
Inventors: 曹兵; 苏炎召
Original assignee: Qingdao Dexian New Energy Automobile Manufacturing Co ltd
Current assignee: Qingdao Dexian New Energy Automobile Manufacturing Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-05-25

Abstract

The embodiment of the invention provides a hydrogen and oxygen self-supply vehicle, a hydrogen and oxygen self-supply ambulance and a vehicle hydrogen and oxygen self-supply method, wherein a hydrogen and oxygen self-supply system adopts a power generation device to supply power for a hydrogen and oxygen production device, hydrogen and oxygen produced by the hydrogen and oxygen production device are respectively stored by a hydrogen storage tank and an oxygen storage tank, the hydrogen storage tank supplies hydrogen to a fuel cell, and when the oxygen content value of air detected by an environmental oxygen sensor is lower than a preset environmental oxygen content threshold value, oxygen in the oxygen storage tank is conveyed to the fuel cell to supply oxygen required by the fuel cell; in addition, the oxygen in the oxygen storage tank is filtered by the filtering device and then is supplied to the oxygen demand of vehicle personnel. The hydrogen and oxygen are supplied to the vehicle by the hydrogen and oxygen production device, and oxygen is supplied to the fuel cell when the content of the environmental oxygen is lower, so that the problem of insufficient electric energy generated by the fuel cell system due to insufficient oxygen in the air in an anoxic region is solved, the stored oxygen can be filtered by the filtering device and then supplied to the vehicle personnel, and the waste of the oxygen is avoided.

Description

Oxyhydrogen self-supply vehicle, oxyhydrogen self-supply ambulance and oxyhydrogen self-supply method for vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a hydrogen and oxygen self-supply vehicle, a hydrogen and oxygen self-supply ambulance and a hydrogen and oxygen self-supply method for a vehicle.

Background

The hydrogen can be used as a power source of a fuel cell as an automobile, and in order to save cost and realize zero pollution emission, oxygen in the air is used as an oxidant, but in oxygen-poor areas such as plateaus and the like, the driving capability of the whole automobile cannot be met due to insufficient electric energy generated by a fuel cell system caused by insufficient oxygen in the air.

In particular, in the case of an ambulance, the shortage of the electric power generated by the fuel cell system of the vehicle may cause a rescue risk, reduce the rescue efficiency of the ambulance, and even seriously affect the life safety of the patient. With the enhancement of community medical construction and emergency rescue equipment, the social demand for the functions of ambulances is higher and higher, and the ambulances need to have normal vehicle functions and preliminary rescue functions. At present, a negative pressure ambulance in the prior art can lead air in the ambulance to flow from a clean area (a medical staff area) to an infection source area (a patient area) by forming a fixed air flow field in a cabin, thereby avoiding cross infection between patients and medical care as far as possible. However, in the prior art, polluted air outside the vehicle is easy to enter the cabin, and the polluted air in the cabin is easy to leak outside the vehicle.

Disclosure of Invention

The present specification provides an oxyhydrogen self-supply cart, an oxyhydrogen self-supply ambulance, and a vehicle oxyhydrogen self-supply method to overcome at least one technical problem in the prior art.

In a first aspect, according to the embodiments herein, there is provided an oxyhydrogen self-supply vehicle including a vehicle body, a fuel cell, and an oxyhydrogen self-supply system; the hydrogen and oxygen self-supply system comprises a power generation device, a first controller, a hydrogen and oxygen production device, a hydrogen storage tank, a hydrogen pressure sensor, an oxygen storage tank, an oxygen pressure sensor, a filtering device, a first oxygen control valve, a second oxygen control valve, an environmental oxygen sensor and a second controller;

the output end of the power generation device is connected with the input end of the first controller, and the output end of the first controller is connected with the power supply input end of the hydrogen and oxygen production device; the hydrogen and oxygen production device is respectively communicated with the hydrogen storage tank and the oxygen storage tank, and the produced hydrogen is filled into the hydrogen storage tank for storage, and the produced oxygen is filled into the oxygen storage tank for storage; the hydrogen pressure sensor and the oxygen pressure sensor are respectively arranged on the hydrogen storage tank and the oxygen storage tank; the output ends of the hydrogen pressure sensor and the oxygen pressure sensor are respectively and electrically connected with the first controller; the filtering device is communicated with the oxygen storage tank and is used for supplying oxygen to vehicle personnel; the first oxygen control valve is arranged between the oxygen storage tank and the filtering device and is used for controlling the oxygen amount delivered to the filtering device by the oxygen storage tank; the hydrogen storage tank is communicated with the fuel cell and supplies required hydrogen to the fuel cell; the oxygen storage tank is communicated with the fuel cell through the second oxygen control valve to supply the required oxygen to the fuel cell; the environmental oxygen sensor is arranged outside the vehicle body and used for monitoring the oxygen content in the air outside the vehicle body; the output end of the ambient oxygen sensor is electrically connected with the second controller, and the second controller is electrically connected with the control end of the second oxygen control valve;

when the air oxygen content value detected by the ambient oxygen sensor is lower than a preset ambient oxygen content threshold value, the second controller controls the second oxygen control valve to convey the oxygen in the oxygen storage tank into the fuel cell so as to supply the required oxygen to the fuel cell.

Optionally, the hydrogen and oxygen self-supply system further comprises an in-vehicle oxygen sensor;

the in-vehicle oxygen sensor is arranged in the vehicle body and used for monitoring the oxygen content in the air in the vehicle body; the output end of the in-vehicle oxygen sensor is electrically connected with the second controller, and the second controller is electrically connected with the control end of the first oxygen control valve;

when the in-vehicle oxygen content value detected by the in-vehicle oxygen sensor is lower than a preset in-vehicle oxygen content minimum threshold value, the second controller controls the first oxygen control valve to filter the oxygen in the oxygen storage tank through the filtering device and then convey the oxygen into the vehicle body;

when the oxygen content value in the vehicle detected by the oxygen sensor in the vehicle is higher than the preset maximum threshold value of the oxygen content in the vehicle, the second controller stops the oxygen transmission from the oxygen storage tank to the filtering device by controlling the first oxygen control valve.

Optionally, the power generation device is a photovoltaic power generation device; the hydrogen and oxygen production device is a hydrogen and oxygen production device by electrolyzing water.

Optionally, the hydrogen and oxygen self-supply system comprises a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve;

the first one-way valve is arranged between the hydrogen and oxygen production device and the hydrogen storage tank; the second one-way valve is arranged between the hydrogen and oxygen production device and the oxygen storage tank; the third one-way valve is arranged between the oxygen storage tank and the first oxygen control valve; the fourth one-way valve is disposed between the first oxygen control valve and the filtering device.

Optionally, the oxyhydrogen self-supply vehicle further comprises a DC-DC converter, a battery pack, a motor controller, a motor, a speed reducer, a differential and a transmission shaft;

the DC-DC converter is electrically connected with the fuel cell; the battery pack is connected with the DC-DC converter; the DC-DC converter is electrically connected with the motor controller and the motor respectively; the control end of the motor is electrically connected with the motor controller; the motor, the speed reducer and the differential are sequentially connected, and the differential is connected with the transmission shaft to drive the vehicle to walk.

In a second aspect, according to the embodiments of the present specification, there is provided an oxyhydrogen self-supply ambulance, comprising a vehicle body, a negative pressure blower device, an exhaust filtering device, a movable hospital bed, an oxygen mask, a fuel cell and an oxyhydrogen self-supply system;

the negative pressure fan device is arranged on one side of a medical cabin of the vehicle body; the exhaust filtering device is arranged at an exhaust outlet of the negative pressure fan device; the movable sickbed is arranged in a medical cabin of the vehicle body, and the position of the movable sickbed corresponds to the position of the negative pressure fan device;

the hydrogen and oxygen self-supply system comprises a power generation device, a first controller, a hydrogen and oxygen production device, a hydrogen storage tank, a hydrogen pressure sensor, an oxygen storage tank, an oxygen pressure sensor, a filtering device, a first oxygen control valve, a second oxygen control valve, an environmental oxygen sensor and a second controller;

the output end of the power generation device is connected with the input end of the first controller, and the output end of the first controller is connected with the power supply input end of the hydrogen and oxygen production device; the hydrogen and oxygen production device is respectively communicated with the hydrogen storage tank and the oxygen storage tank, and the produced hydrogen is filled into the hydrogen storage tank for storage, and the produced oxygen is filled into the oxygen storage tank for storage; the hydrogen pressure sensor and the oxygen pressure sensor are respectively arranged on the hydrogen storage tank and the oxygen storage tank; the output ends of the hydrogen pressure sensor and the oxygen pressure sensor are respectively and electrically connected with the first controller; the oxygen mask is communicated with the oxygen storage tank through the filtering device; the first oxygen control valve is arranged between the oxygen storage tank and the filtering device and is used for controlling the oxygen amount delivered to the filtering device by the oxygen storage tank; the hydrogen storage tank is communicated with the fuel cell and supplies required hydrogen to the fuel cell; the oxygen storage tank is communicated with the fuel cell through the second oxygen control valve to supply the required oxygen to the fuel cell; the environmental oxygen sensor is arranged outside the vehicle body and used for monitoring the oxygen content in the air outside the vehicle body; the output end of the ambient oxygen sensor is electrically connected with the second controller, and the second controller is electrically connected with the control end of the second oxygen control valve;

the in-vehicle oxygen sensor is arranged on the oxygen mask and used for monitoring the oxygen content in the air at the oxygen mask; the output end of the in-vehicle oxygen sensor is electrically connected with the second controller, and the second controller is electrically connected with the control end of the first oxygen control valve;

when the oxygen content value detected by the in-vehicle oxygen sensor is lower than a preset in-vehicle oxygen content minimum threshold value, the second controller controls the first oxygen control valve to filter oxygen in the oxygen storage tank through the filtering device and then convey the oxygen to the oxygen mask;

when the oxygen content value detected by the in-vehicle oxygen sensor is higher than a preset in-vehicle oxygen content maximum threshold value, the second controller stops oxygen delivery from the oxygen storage tank to the oxygen mask by controlling the first oxygen control valve.

Optionally, the hydrogen-oxygen self-supply ambulance further comprises a DC-DC converter, a battery pack, a motor controller, a motor, a reducer, a differential, a transmission shaft; the DC-DC converter is electrically connected with the fuel cell; the battery pack is connected with the DC-DC converter; the DC-DC converter is electrically connected with the motor controller and the motor respectively; the control end of the motor is electrically connected with the motor controller; the motor, the speed reducer and the differential are sequentially connected, and the differential is connected with the transmission shaft to drive the vehicle to run;

the hydrogen and oxygen self-supply system comprises a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve and a fifth one-way valve; the first one-way valve is arranged between the hydrogen and oxygen production device and the hydrogen storage tank; the second one-way valve is arranged between the hydrogen and oxygen production device and the oxygen storage tank; the third one-way valve is arranged between the oxygen storage tank and the first oxygen control valve; the fourth one-way valve is arranged between the first oxygen control valve and the filtering device; the fifth one-way valve is disposed between the filtering device and the oxygen mask.

In a third aspect, according to an embodiment of the present specification, there is provided a hydrogen-oxygen self-supply method for a vehicle, including:

generating power by adopting a photovoltaic power generation device;

the electric energy generated by the photovoltaic power generation device is transmitted to the hydrogen and oxygen production device by the electrolyzed water through the first controller, and a power supply is supplied to the hydrogen and oxygen production device by the electrolyzed water;

hydrogen and oxygen are produced by the water electrolysis hydrogen production and oxygen production device, and the produced hydrogen and oxygen are respectively filled into a hydrogen storage tank and an oxygen storage tank;

communicating the hydrogen storage tank with a fuel cell of the vehicle to supply hydrogen gas to the fuel cell;

communicating the oxygen tank with the fuel cell through a second oxygen control valve;

monitoring the oxygen content in the ambient air of the vehicle by using an ambient oxygen sensor;

the ambient oxygen content value detected by the ambient oxygen sensor is transmitted to a second controller;

when the detected ambient oxygen content value is lower than a preset ambient oxygen content threshold value, the second controller sends a control signal to the second oxygen control valve;

according to the received control signal, the second oxygen control valve is opened, so that oxygen in the oxygen storage tank is conveyed into the fuel cell, and oxygen is supplied to the fuel cell;

communicating the oxygen storage tank with a filtering device through a first oxygen control valve;

monitoring the oxygen content in the air in the vehicle by using an in-vehicle oxygen sensor;

the in-vehicle oxygen content value detected by the in-vehicle oxygen sensor is transmitted to the second controller;

when the detected in-vehicle oxygen content value is lower than a preset in-vehicle oxygen content minimum threshold value, the second controller sends an opening control signal to the first oxygen control valve;

according to the received opening control signal, the first oxygen control valve is opened, so that oxygen in the oxygen storage tank is filtered by the filtering device and then is conveyed into the vehicle;

when the monitored in-vehicle oxygen content value is higher than a preset in-vehicle oxygen content maximum threshold value, the second controller sends a closing control signal to the first oxygen control valve;

in accordance with the received shut-off control signal, the first oxygen control valve is closed, stopping oxygen delivery from the oxygen tank to the filtering device.

The beneficial effects of the embodiment of the specification are as follows:

hydrogen and oxygen are supplied for the vehicle by the hydrogen production and oxygen generation device, the vehicle is adopted to supply hydrogen as the fuel of the fuel cell, when the oxygen content of the environment where the vehicle is located can meet the oxygen demand of the fuel cell, the oxygen in the air is adopted as the oxidant of the fuel cell, when the oxygen content of the environment is lower, the vehicle is utilized to supply oxygen for the fuel cell, the problem that the power generated by the fuel cell system is insufficient due to insufficient oxygen in the air in an oxygen-poor area is solved, and the stored oxygen can be used by vehicle personnel after being filtered by the filtering device, thereby avoiding the waste of the oxygen. Meanwhile, the invention utilizes clean energy of solar energy to generate electricity, meets the requirement of clean energy conversion technology at present, is beneficial to protecting ecological environment, and solves the problem of higher power consumption when the hydrogen and oxygen production device by water electrolysis operates. The hydrogen self-supplied by the vehicle is used as a power source of the vehicle by the fuel cell, so that the normal operation of the vehicle can be effectively ensured, and the endurance mileage of the vehicle is effectively increased.

The ambulance is self-supplied with hydrogen and oxygen, so that the electric energy of the fuel cell system of the ambulance is sufficient, the driving capability of the whole ambulance is ensured, the operation of the ambulance equipment is stabilized, the rescue conditions are perfected, and the rescue efficiency is improved. Utilize the oxygen after the filtration to supply with patient and use, can guarantee that patient's oxygen is supplied with, and the negative-pressure air blower device of supporting ambulance medical treatment cabin side, avoid patient and medical cross infection between doctorsing and nurses, and solved the problem that can not coexist under the negative-pressure ambulance positive negative pressure mode among the prior art, guaranteed isolated outside the car gaseous pollution under the negative pressure mode, can effectively solve the easy entering under-deck of outer contaminated gas of car, and the problem that the contaminated gas in the under-deck reveals to the car outside easily.

The innovation points of the embodiment of the specification comprise:

1. in the embodiment, hydrogen and oxygen are supplied to the vehicle by the hydrogen and oxygen production device, the hydrogen is supplied to the vehicle by the vehicle as the fuel of the fuel cell, when the oxygen content of the environment where the vehicle is located can meet the oxygen requirement of the fuel cell, oxygen in the air is used as the oxidant of the fuel cell, and when the oxygen content of the environment is lower, the oxygen is supplied to the fuel cell by the oxygen supplied to the vehicle by the vehicle, so that the problem of insufficient electric energy generated by the fuel cell system due to insufficient oxygen in the air in an anoxic area is solved, and the hydrogen and oxygen production device is one of the innovation points of the embodiment of the specification.

2. In this embodiment, the self-supplied oxygen for the vehicle can be filtered by the filtering device and then used by the vehicle personnel, so that the waste of the oxygen generated by the hydrogen and oxygen production device is avoided, and the method is one of the innovative points of the embodiments of the present specification.

3. In the embodiment, the clean energy of solar energy is utilized to generate electricity, the requirement on clean energy conversion technology at present is met, the ecological environment is protected, the problem of high power consumption in the operation of the hydrogen and oxygen production device by electrolyzing water is solved, and the method is one of the innovation points of the embodiment of the specification.

4. In the embodiment, the hydrogen self-supplied by the vehicle is used for the fuel cell as a power source of the vehicle, so that the normal operation of the vehicle can be effectively ensured, and the endurance mileage of the vehicle can be effectively increased.

5. In this embodiment, the ambulance is self-supplied with hydrogen and oxygen, so that the electric energy of the fuel cell system of the ambulance is sufficient, the driving capability of the whole ambulance when the ambulance is in an oxygen-deficient area such as a plateau is ensured, the operation of the ambulance equipment is stabilized, the rescue conditions are improved, and the rescue efficiency is improved.

6. In the embodiment, the filtered oxygen is supplied to a patient for use, the oxygen supply of the patient can be ensured, and the negative pressure fan device at the medical cabin side of the ambulance is matched, so that the cross infection between the patient and medical care is avoided, the problem that the negative pressure air blower device cannot coexist in the positive and negative pressure modes of the negative pressure ambulance in the prior art is solved, the pollution of the gas outside the ambulance in the negative pressure mode is avoided, the problems that the polluted gas outside the ambulance easily enters the cabin and the polluted gas in the cabin is easily leaked outside the ambulance are effectively solved, and the oxygen supply device is one of the innovation points of the embodiment of the specification.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a hydrogen-oxygen self-supply vehicle provided in the embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a hydrogen and oxygen self-supplying ambulance provided in accordance with an embodiment of the present disclosure;

in the figure, 1 is a power generation device, 2 is a first controller, 3 is a hydrogen and oxygen production device, 4 is a first oxygen control valve, 5 is an oxygen sensor in a vehicle, 6 is a second controller, 7 is a fourth one-way valve, 8 is a filtering device, 9 is a fifth one-way valve, 10 is an oxygen mask, 11 is a negative pressure fan device, 12 is a movable sickbed, 13 is a driving wheel, 14 is a transmission shaft, 15 is a differential gear, 16 is a speed reducer, 17 is a motor, 18 is a motor controller, 19 is a DC-DC converter, 20 is a battery pack, 21 is a fuel cell, 22 is an ambient oxygen sensor, 23 is a second oxygen control valve, 24 is a hydrogen gas injection port, 25 is a hydrogen gas pressure sensor, 26 is a hydrogen storage tank, 27 is an oxygen gas injection port, 28 is an oxygen gas pressure sensor, 29 is a pressure reducing valve, 30 is an oxygen storage tank, 31 is a third check valve, 32 is a second check valve, and 33 is a first check valve.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Example one

The embodiment I of the specification discloses an oxyhydrogen self-supplying vehicle. The following are detailed below.

FIG. 1 is a schematic view showing a hydrogen-oxygen self-supplying vehicle according to a first embodiment of the present disclosure. As shown in fig. 1, the hydrogen-oxygen self-supplying vehicle includes a vehicle body (not shown in the figure), a fuel cell 21, a DC-DC converter 19, a battery pack 20, a motor controller 18, a motor 17, a speed reducer 16, a differential 15, a propeller shaft 14, and a hydrogen-oxygen self-supplying system.

The hydrogen and oxygen self-supply vehicle in the first embodiment of the invention supplies hydrogen and oxygen required by the whole vehicle through the hydrogen and oxygen self-supply system, and stores a small amount of hydrogen and oxygen prepared by the hydrogen and oxygen preparation device 3 in the hydrogen storage tank 26 and the oxygen storage tank 30 respectively, thereby solving the problems of on-vehicle storage and transportation of hydrogen and oxygen and effectively reducing the safety problem caused by the large amount of hydrogen and oxygen stored on-vehicle. Because the electric quantity that hydrogen manufacturing and oxygen making device 3 consumed when moving is higher, for avoiding hydrogen manufacturing and oxygen making device 3 excessively to consume the vehicle battery electric energy, influence the vehicle operation, utilize power generation facility 1 for hydrogen manufacturing and oxygen making device 3 supplies with the power, both guaranteed hydrogen manufacturing and oxygen making device 3's normal operating, the sufficient supply of hydrogen, oxygen also can guarantee the normal operating of vehicle.

Wherein, power generation facility 1's output links to each other with the input of first controller 2, and hydrogen manufacturing and oxygen making device 3's power input end is connected to the output of first controller 2, and first controller 2 controls power generation facility 1, supplies with direct current to hydrogen manufacturing and oxygen making device 3, for hydrogen manufacturing and oxygen making device 3 provides the power, guarantees that its normal operating accomplishes the operation of hydrogen manufacturing, oxygen. Preferably, the power generation device 1 is a photovoltaic power generation device, and adopts clean energy of solar energy to generate power, so that the ecological environment is protected; the hydrogen and oxygen production device 3 is a water electrolysis hydrogen and oxygen production device, and produces hydrogen and oxygen by using a water electrolysis mode, so that the device is more energy-saving and environment-friendly.

The hydrogen and oxygen generated by the hydrogen and oxygen generating device 3 are stored by the hydrogen storage tank 26 and the oxygen storage tank 30 respectively, the hydrogen and oxygen generating device 3 is communicated with the hydrogen storage tank 26 and the oxygen storage tank 30 respectively, the generated hydrogen is filled in the hydrogen storage tank 26 for storage, and the generated oxygen is filled in the oxygen storage tank 30 for storage. In order to ensure the safety of hydrogen and oxygen storage, a hydrogen pressure sensor 25 and an oxygen pressure sensor 28 are respectively arranged on the hydrogen storage tank 26 and the oxygen storage tank 30, and the hydrogen pressure in the hydrogen storage tank 26 and the oxygen pressure in the oxygen storage tank 30 are respectively monitored by the hydrogen pressure sensor 25 and the oxygen pressure sensor 28; the output ends of the hydrogen pressure sensor 25 and the oxygen pressure sensor 28 are respectively electrically connected with the first controller 2; . In a particular embodiment, a pressure relief valve 29 may also be installed on the oxygen tank 30.

Hydrogen pressure sensor 25 feeds back hydrogen pressure signal to first controller 2, and when hydrogen pressure was greater than predetermined hydrogen pressure threshold value, first controller 2 can carry out regulation and control to hydrogen manufacturing oxygenerator 3 to prevent to produce higher hydrogen pressure, guarantee system security.

The oxygen pressure sensor 28 feeds back an oxygen pressure signal to the first controller 2, and when the oxygen pressure is greater than the preset oxygen pressure threshold but less than the preset pressure reducing valve threshold, the first controller 2 performs adjustment control on the hydrogen and oxygen production apparatus 3 to prevent a higher oxygen pressure from being generated. However, when the oxygen pressure is greater than the preset threshold of the pressure reducing valve, the pressure reducing valve 29 will automatically open to directly discharge the excessive oxygen to the atmosphere outside the vehicle body until the oxygen pressure is less than the preset threshold of the pressure reducing valve to stop the discharge of the oxygen.

In addition, for guaranteeing the vehicle hydrogen, the supply of oxygen is sufficient, avoid when hydrogen manufacturing oxygenerator 3 breaks down, hydrogen, oxygen are supplied absolutely, still can be respectively at hydrogen storage tank 26, oxygen storage tank 30 sets up hydrogen filling opening 24, oxygen filling opening 27, directly inject external hydrogen into hydrogen storage tank 26 through hydrogen filling opening 24, it is not enough to prevent hydrogen among the hydrogen storage tank 26, and on the same hand, directly inject external oxygen into oxygen storage tank 30 through oxygen filling opening 27, it is not enough to prevent oxygen among the oxygen storage tank 30.

The self-supplied hydrogen of the vehicle in the invention of the present application serves as fuel for supplying the fuel cell 21. Specifically, the hydrogen storage tank 26 communicates with the fuel cell 21, and supplies necessary hydrogen gas to the fuel cell 21. On one hand, the self-supply oxygen of the vehicle is used for supplying oxygen for vehicle personnel, the oxygen is stored along with the vehicle and is used by the vehicle personnel after being efficiently filtered, sterilized and disinfected by the filtering device 8, so that the altitude reaction of the personnel caused by insufficient oxygen in the air in the oxygen-deficient areas such as the plateau is prevented, and in detail, the filtering device 8 is communicated with the oxygen storage tank 30 and is used for supplying oxygen to the vehicle personnel; the first oxygen control valve 4 is provided between the oxygen tank 30 and the filter device 8, and controls the amount of oxygen to be supplied from the oxygen tank 30 to the filter device 8, and the first oxygen control valve 4 controls the supply of oxygen to the vehicle occupant. Among them, the first oxygen control valve 4 is preferably an electrically controlled proportional valve.

On the other hand, the self-supply oxygen of the vehicle is used for supplying the oxygen required by the fuel cell 21, so as to solve the problem of insufficient electric energy generated by the fuel cell system due to insufficient oxygen in the air in the oxygen-deficient areas such as the plateau, in detail, the oxygen storage tank 30 is communicated with the fuel cell 21 through the second oxygen control valve 23 to supply the required oxygen to the fuel cell 21, the oxygen delivery of the oxygen storage tank 30 to the fuel cell 21 is controlled by the second oxygen control valve 23, when the oxygen required by the fuel cell 21 is insufficient, the second oxygen control valve 23 is opened, so that the oxygen in the oxygen storage tank 30 is delivered to the fuel cell 21, and when the oxygen required by the fuel cell 21 is sufficient, the second oxygen control valve 23 is closed, so as to avoid the waste of the oxygen. Wherein, the second oxygen control valve 23 is preferably an electrically controlled proportional valve.

In order to realize the automatic supply of oxygen, the oxyhydrogen self-supply system in the application is provided with an ambient oxygen sensor 22 and an in-vehicle oxygen sensor 5, and the ambient oxygen sensor 22 and the in-vehicle oxygen sensor 5 are utilized to monitor the oxygen content in the air outside and inside the vehicle respectively.

In detail, the ambient oxygen sensor 22 is disposed outside the vehicle body for monitoring the oxygen content in the air outside the vehicle body; the output end of the ambient oxygen sensor 22 is electrically connected with the second controller 6, and the second controller 6 is electrically connected with the control end of the second oxygen control valve 23. When the air oxygen content value detected by the ambient oxygen sensor 22 is lower than the preset ambient oxygen content threshold value, the second controller 6 controls the second oxygen control valve 23 to deliver the oxygen in the oxygen storage tank 30 to the fuel cell 21 so as to supply the required oxygen to the fuel cell 21.

In oxygen deficiency areas such as plateau, when the oxygen content is not enough in the air that environmental oxygen sensor 22 detected, second controller 6 is through controlling second oxygen control valve 23, with the oxygen automatic supply in the oxygen storage tank 30 to fuel cell 21 in to guarantee fuel cell 21's oxygen consumption, ensure that fuel cell 21 produces sufficient electric energy, according to the automatic supply oxygen of environmental change, it is more intelligent, can be in time for fuel cell 21 supply oxygen, can avoid unnecessary oxygen extravagant again.

The in-vehicle oxygen sensor 5 is arranged in the vehicle body and used for monitoring the oxygen content in the air in the vehicle body; the output end of the in-vehicle oxygen sensor 5 is electrically connected with the second controller 6, and the second controller 6 is electrically connected with the control end of the first oxygen control valve 4. When the value of the oxygen content in the vehicle detected by the oxygen sensor 5 in the vehicle is lower than the preset minimum threshold value of the oxygen content in the vehicle, the second controller 6 controls the first oxygen control valve 4 to filter the oxygen in the oxygen storage tank 30 through the filter device 8 and then convey the oxygen to the vehicle body; when the value of the oxygen content in the vehicle detected by the oxygen sensor 5 in the vehicle is higher than the preset maximum threshold value of the oxygen content in the vehicle, the second controller 6 stops the oxygen delivery from the oxygen tank 30 to the filter device 8 by controlling the first oxygen control valve 4.

Utilize the interior oxygen content of oxygen sensor 5 real-time supervision car, when the interior oxygen content of car is not enough, the second controller 6 is carried the vehicle body in through the oxygen of controlling first oxygen control valve 4 in with oxygen storage tank 30 after filtering by filter equipment 8, supplies vehicle personnel to use. The filtered oxygen can be directly discharged into the air in the vehicle, and can also be stored into an oxygen tank used by vehicle personnel through a pipeline, so that the requirements of different personnel are facilitated. When the oxygen in the vehicle is directly discharged into the air in the vehicle, the oxygen content in the vehicle needs to be monitored by the oxygen sensor 5 in the vehicle, and when the oxygen content in the vehicle exceeds a preset value, the second controller 6 controls the first oxygen control valve 4 to stop the delivery of the oxygen so as to prevent the oxygen content in the vehicle from being excessive and causing the vehicle personnel to be drunk by oxygen.

In order to ensure the safety of the hydrogen and oxygen self-supply system, the hydrogen and oxygen self-supply system also comprises a first check valve 33, a second check valve 32, a third check valve 31 and a fourth check valve 7; the first check valve 33 is arranged between the hydrogen and oxygen production device 3 and the hydrogen storage tank 26; the second one-way valve 32 is arranged between the hydrogen and oxygen production device 3 and the oxygen storage tank 30; the third check valve 31 is disposed between the oxygen tank 30 and the first oxygen control valve 4; a fourth non return valve 7 is arranged between the first oxygen control valve 4 and the filter device 8. The first check valve 33, the second check valve 32, the third check valve 31 and the fourth check valve 7 are arranged, so that the one-way delivery of hydrogen and oxygen in the hydrogen and oxygen self-supply system is ensured, the backflow of gas is prevented, and the safety of the system is improved.

In the first embodiment, the hydrogen and oxygen supplied by the oxyhydrogen self-supply vehicle generate electric energy through the fuel cell 21, and are transmitted to the DC-DC converter 19 to supply electric energy to the whole vehicle, the DC-DC converter 19 is electrically connected with the fuel cell 21, and the fuel cell 21 supplies electric energy to the DC-DC converter 19, so that the vehicle-mounted electric appliances can be powered through the DC-DC converter 19, and the driving system of the vehicle can be powered. In order to ensure the running stability of the vehicle and the electricity consumption requirement of the vehicle, the battery pack 20 can supply electric energy for the DC-DC converter 19, and the battery pack 20 is connected with the DC-DC converter 19, so that the situation that the vehicle cannot run normally when the hydrogen-oxygen self-supply system fails is avoided, and the running stability of the vehicle is further improved.

In a specific embodiment, the DC-DC converter 19 is electrically connected to the motor controller 18 and the motor 17, respectively; the control end of the motor 17 is electrically connected with a motor controller 18; the motor 17, the reducer 16 and the differential 15 are connected in sequence, and the differential 15 is connected with the transmission shaft 14. The motor controller 18 controls the motor 17 to provide mechanical energy, the mechanical energy is transmitted to the driving wheel 13 through the speed reducer 16, the differential 15 and the transmission shaft 14, and the driving wheel 13 drives the whole vehicle to run.

Example two

The second embodiment of the specification discloses an oxyhydrogen self-supply ambulance. The following are detailed below.

FIG. 2 is a schematic view showing an oxyhydrogen self-supplying ambulance according to a second embodiment of the present disclosure. As shown in fig. 2, the oxyhydrogen self-supply ambulance comprises a vehicle body, a negative pressure fan device 11, an exhaust filter device (not shown in the figure), a movable sickbed 12, an oxygen mask 10, a fuel cell 21, a DC-DC converter 19, a battery pack 20, a motor controller 18, a motor 17, a reducer 16, a differential 15, a transmission shaft 14 and an oxyhydrogen self-supply system.

In the second embodiment of the invention, the hydrogen and oxygen self-supply ambulance is a negative pressure ambulance, and the negative pressure fan device 11 is arranged at one side of the medical cabin of the vehicle body; an exhaust filtering device is arranged at an exhaust outlet of the negative pressure fan device 11; the movable sickbed 12 is arranged in a medical cabin of the vehicle body, and the position of the movable sickbed 12 corresponds to the position of the negative pressure fan device 11. The hydrogen and oxygen are supplied to the whole vehicle by the hydrogen and oxygen self-supply system, the oxygen mask 10 is communicated with the oxygen source of the hydrogen and oxygen self-supply system, so that oxygen can be supplied to a patient on the movable sickbed 12 through the oxygen mask 10, bacteria or viruses on or around the patient on the movable sickbed 12 are absorbed by the negative pressure fan device 11, the diffusion of the bacteria or the viruses is prevented, the cross infection between medical personnel and the patient is avoided, further, the air discharged by the negative pressure fan device 11 is sterilized and disinfected through the exhaust filtering device, the environmental pollution is further reduced, the pollution to the external environment of the vehicle is avoided, and the spread of diseases is prevented. Simultaneously, the oxyhydrogen in this embodiment two is from supplying to the ambulance from the oxygen suppliment for positive negative pressure mode can coexist, has guaranteed to completely cut off the gaseous pollution outside the car under the negative pressure mode, has effectively solved the gaseous contaminated gas of car external entering under-deck and the gaseous contaminated gas in the under-deck reveals the problem outside the car easily, and the protective effect is better, has greatly reduced the possibility of bacterium or virus diffusion.

The hydrogen and oxygen are supplied to the ambulance by the hydrogen and oxygen self-supply system to supply the hydrogen and oxygen required by the whole ambulance, and a small amount of hydrogen and oxygen prepared by the hydrogen and oxygen preparation device 3 are respectively stored in the hydrogen storage tank 26 and the oxygen storage tank 30, so that the problems of on-vehicle storage and transportation of the hydrogen and the oxygen are solved, and the safety problem caused by the large amount of the hydrogen and the oxygen stored on-vehicle can be effectively reduced. Because the electric quantity that hydrogen manufacturing and oxygen making device 3 consumed when moving is higher, for avoiding hydrogen manufacturing and oxygen making device 3 excessively to consume the vehicle battery electric energy, influence the vehicle operation, utilize power generation facility 1 for hydrogen manufacturing and oxygen making device 3 supplies with the power, both guaranteed hydrogen manufacturing and oxygen making device 3's normal operating, the sufficient supply of hydrogen, oxygen also can guarantee the normal operating of vehicle.

The self-supplied hydrogen of the vehicle in the second invention of the present application serves as fuel for supplying the fuel cell 21. Specifically, the hydrogen storage tank 26 communicates with the fuel cell 21, and supplies necessary hydrogen gas to the fuel cell 21. The self-supply oxygen of the vehicle is used for oxygen supply of a patient, on one hand, the oxygen is stored on the vehicle and is efficiently filtered, sterilized and disinfected by the filtering device 8, and then the oxygen is supplied to the patient through the oxygen mask 10, and in detail, the oxygen mask 10 is communicated with the oxygen storage tank 30 through the filtering device 8; the first oxygen control valve 4 is provided between the oxygen tank 30 and the filter device 8, and controls the amount of oxygen to be supplied from the oxygen tank 30 to the filter device 8, and the first oxygen control valve 4 controls the supply of oxygen to the patient. Among them, the first oxygen control valve 4 is preferably an electrically controlled proportional valve.

In order to realize the automatic supply of oxygen, the oxygen-hydrogen self-supply system in the application is provided with an ambient oxygen sensor 22 and an in-vehicle oxygen sensor 5, and the ambient oxygen sensor 22 and the in-vehicle oxygen sensor 5 are utilized to monitor the oxygen content in the air at the positions of the oxygen mask 10 and the outside of the vehicle respectively.

The in-vehicle oxygen sensor 5 is arranged on the oxygen mask 10 and used for monitoring the oxygen content in the air at the oxygen mask 10; the output end of the in-vehicle oxygen sensor 5 is electrically connected with the second controller 6, and the second controller 6 is electrically connected with the control end of the first oxygen control valve 4. When the oxygen content value detected by the in-vehicle oxygen sensor 5 is lower than the preset in-vehicle oxygen content minimum threshold value, the second controller 6 controls the first oxygen control valve 4 to filter the oxygen in the oxygen storage tank 30 through the filter device 8 and then convey the oxygen to the oxygen mask 10 for the patient to use; when the oxygen content value detected by the vehicle oxygen sensor 5 is higher than the preset vehicle oxygen content maximum threshold value, the second controller 6 stops the oxygen delivery from the oxygen tank 30 to the oxygen mask 10 by controlling the first oxygen control valve 4.

The oxygen content in the ambient air where the patient is located is monitored in real time by using the in-vehicle oxygen sensor 5, when the oxygen content is insufficient, the second controller 6 controls the first oxygen control valve 4 to convey the oxygen in the oxygen storage tank 30 to the oxygen mask 10 after being filtered by the filtering device 8, and the oxygen is supplied to the patient for use, and when the oxygen content exceeds a preset value, the controller 6 controls the first oxygen control valve 4 to stop the conveying of the oxygen, so that the situation that the oxygen inhaled by the patient is excessive and the patient is drunk with oxygen is prevented.

In order to ensure the safety of the oxyhydrogen self-supply system, the oxyhydrogen self-supply system further comprises a first check valve 33, a second check valve 32, a third check valve 31, a fourth check valve 7 and a fifth check valve 9; the first check valve 33 is arranged between the hydrogen and oxygen production device 3 and the hydrogen storage tank 26; the second one-way valve 32 is arranged between the hydrogen and oxygen production device 3 and the oxygen storage tank 30; the third check valve 31 is disposed between the oxygen tank 30 and the first oxygen control valve 4; the fourth check valve 7 is arranged between the first oxygen control valve 4 and the filtering device 8; a fifth one-way valve 9 is arranged between the filter device 8 and the oxygen mask 10. The first check valve 33, the second check valve 32, the third check valve 31, the fourth check valve 7 and the fifth check valve 9 are arranged, so that the one-way delivery of hydrogen and oxygen in the hydrogen and oxygen self-supply system is ensured, the backflow of gas is prevented, and the safety of the system is improved.

In the second embodiment, hydrogen and oxygen supplied by the ambulance by hydrogen and oxygen are used to generate electric energy through the fuel cell 21, and the electric energy is transmitted to the DC-DC converter 19 to supply electric energy to the whole ambulance, the DC-DC converter 19 is electrically connected with the fuel cell 21, the fuel cell 21 supplies electric energy to the DC-DC converter 19, and the electric energy can be supplied to the vehicle-mounted electric appliances through the DC-DC converter 19, so as to ensure the power consumption requirement of the rescue equipment, stabilize the operation of the rescue equipment, perfect the rescue condition, and improve the rescue efficiency, and meanwhile, the electric energy can be supplied to the driving system of the vehicle through the DC-DC converter 19. In order to ensure the running stability of the vehicle and the electricity consumption requirement of the vehicle, the battery pack 20 can supply electric energy for the DC-DC converter 19, and the battery pack 20 is connected with the DC-DC converter 19, so that the situation that the vehicle cannot run normally when the hydrogen-oxygen self-supply system fails is avoided, and the running stability of the vehicle is further improved.

EXAMPLE III

The third embodiment of the specification discloses a vehicle hydrogen and oxygen self-supply method. The following are detailed below.

The method for supplying hydrogen and oxygen comprises the following steps:

and step 1, generating power by using a photovoltaic power generation device.

In a specific embodiment, because the hydrogen and oxygen production device by water electrolysis consumes a relatively high amount of electricity during operation, in order to prevent the hydrogen and oxygen production device by water electrolysis from excessively consuming the electric energy of a vehicle storage battery and affecting the operation of the vehicle, the power generation is performed by the photovoltaic power generation device, and the power supply is supplied to the hydrogen and oxygen production device by water electrolysis, so that the normal operation of the hydrogen and oxygen production device by water electrolysis and the sufficient supply of hydrogen and oxygen can be ensured, and the normal operation of the vehicle can also be ensured.

And 2, transmitting the electric energy generated by the photovoltaic power generation device to the water electrolysis hydrogen and oxygen production device through the first controller to supply power for the water electrolysis hydrogen and oxygen production device.

In a specific embodiment, the first controller is used for controlling the photovoltaic power generation device, supplying direct current to the water electrolysis hydrogen and oxygen production device, and providing power for the water electrolysis hydrogen and oxygen production device to ensure that the water electrolysis hydrogen and oxygen production device normally operates to complete hydrogen and oxygen production.

And 3, preparing hydrogen and oxygen by the hydrogen and oxygen preparing device by electrolyzing water, and respectively filling the prepared hydrogen and oxygen into the hydrogen storage tank and the oxygen storage tank.

In a specific embodiment, hydrogen and oxygen generated by the water electrolysis hydrogen and oxygen production device are stored by a hydrogen storage tank and an oxygen storage tank respectively for use by vehicles.

And 4, communicating the hydrogen storage tank with a fuel cell of the vehicle to supply hydrogen for the fuel cell.

In a specific embodiment, hydrogen produced by the water electrolysis hydrogen and oxygen production device is used as fuel for supplying the fuel cell.

And 5, communicating the oxygen storage tank with the fuel cell through a second oxygen control valve.

In a specific embodiment, the oxygen generated by the water electrolysis hydrogen and oxygen production device is used for supplying oxygen required by the fuel cell 21, so as to solve the problem of insufficient electric energy generated by the fuel cell system due to insufficient oxygen in the air in oxygen-deficient areas such as plateaus.

And 6, monitoring the oxygen content in the ambient air of the vehicle by adopting an ambient oxygen sensor.

In one particular embodiment, to achieve automatic oxygen delivery, ambient oxygen sensor 22 is used to monitor the oxygen content of the outside air.

And 7, transmitting the ambient oxygen content value detected by the ambient oxygen sensor to the second controller.

In one embodiment, the ambient oxygen sensor performs real-time monitoring of ambient oxygen content and transmits the detected ambient oxygen content value to the second controller. The second controller judges the received ambient oxygen content value, and when the detected ambient oxygen content value is lower than a preset ambient oxygen content threshold value, the step 7 is carried out to the step 8; otherwise, the second controller is not activated.

When the detected ambient oxygen content value is lower than a preset ambient oxygen content threshold:

and 8, the second controller sends a control signal to the second oxygen control valve.

In one embodiment, when the detected ambient oxygen content value is lower than the preset ambient oxygen content threshold value, it is determined that the ambient oxygen content is insufficient to meet the oxygen demand of the fuel cell, and then a control signal is generated and sent to the second oxygen control valve.

And 9, opening the second oxygen control valve according to the received control signal, so that the oxygen in the oxygen storage tank is conveyed into the fuel cell to supplement the oxygen for the fuel cell.

In a specific embodiment, the second oxygen control valve receives the control signal sent by the second controller, and is opened according to the control signal, so that the oxygen in the oxygen storage tank is conveyed into the fuel cell, the oxygen required by the fuel cell is replenished, the oxygen consumption of the fuel cell is ensured, the fuel cell is ensured to generate sufficient electric energy, the oxygen is automatically replenished according to environmental changes, and the oxygen replenishing system is more intelligent, namely the oxygen can be replenished for the fuel cell in time, and unnecessary oxygen waste can be avoided.

And step 10, communicating the oxygen storage tank with the filtering device through a first oxygen control valve.

In a specific embodiment, the self-supply oxygen of the vehicle is used for oxygen supply of vehicle personnel, and the oxygen is stored on the vehicle and is efficiently filtered, sterilized and disinfected by a filtering device for the vehicle personnel to use so as to prevent the personnel from generating altitude reaction in oxygen-deficient areas such as plateaus due to insufficient oxygen in the air.

And 11, monitoring the oxygen content in the air in the vehicle by using an in-vehicle oxygen sensor.

In a specific embodiment, to achieve automatic oxygen supply, the oxygen content in the air inside the vehicle is monitored by the in-vehicle oxygen sensor 5.

And 12, conveying the in-vehicle oxygen content value detected by the in-vehicle oxygen sensor to a second controller.

In one specific embodiment, the in-vehicle oxygen sensor monitors the oxygen content in the in-vehicle air in real time and transmits the detected in-vehicle oxygen content value to the second controller. The second controller analyzes the received in-vehicle oxygen content value, and when the detected in-vehicle oxygen content value is lower than a preset in-vehicle oxygen content minimum threshold value, the step 12 is carried out to step 13; and when the monitored in-vehicle oxygen content value is higher than the preset in-vehicle oxygen content maximum threshold value, the step 12 is carried out to the step 15.

When the detected in-vehicle oxygen content value is lower than a preset in-vehicle oxygen content minimum threshold value:

and step 13, the second controller sends an opening control signal to the first oxygen control valve.

In a specific embodiment, when the detected in-vehicle oxygen content value is lower than a preset in-vehicle oxygen content minimum threshold value, the in-vehicle oxygen content is judged to be insufficient, and the second controller generates an opening control signal and sends the opening control signal to the first oxygen control valve.

And step 14, according to the received opening control signal, opening the first oxygen control valve to enable oxygen in the oxygen storage tank to be filtered by the filtering device and then conveyed into the vehicle.

In a specific embodiment, the first oxygen control valve receives the opening control signal sent by the second controller and is opened according to the opening control signal, so that the second controller controls the first oxygen control valve to filter the oxygen in the oxygen storage tank through the filtering device and then convey the filtered oxygen to the vehicle body for use by vehicle personnel.

When the monitored in-vehicle oxygen content value is higher than a preset in-vehicle oxygen content maximum threshold value:

and step 15, the second controller sends a closing control signal to the first oxygen control valve.

In a specific embodiment, when the monitored in-vehicle oxygen content value is higher than a preset in-vehicle oxygen content maximum threshold value, the second controller judges that the in-vehicle oxygen content exceeds the standard, generates a closing control signal and sends the closing control signal to the first oxygen control valve.

And step 16, according to the received closing control signal, closing the first oxygen control valve, and stopping oxygen delivery from the oxygen storage tank to the filtering device.

In a specific embodiment, the first oxygen control valve receives the closing control signal sent by the second controller and closes according to the closing control signal, so that the second controller stops the delivery of oxygen by controlling the first oxygen control valve to prevent the oxygen content in the vehicle from being excessive and causing the vehicle personnel to be drunk by oxygen.

To sum up, this specification discloses oxyhydrogen self-feeding car, oxyhydrogen self-feeding ambulance, vehicle oxyhydrogen self-feeding method, hydrogen and oxygen are supplied for the vehicle by hydrogen and oxygen making device, adopt vehicle self-feeding hydrogen as fuel of fuel cell, when the oxygen content of the environment that the vehicle is located can satisfy the oxygen demand of fuel cell, adopt oxygen in the air as oxidant of fuel cell, utilize vehicle self-feeding oxygen to supply oxygen for fuel cell when environment oxygen content is lower, solved the oxygen deficiency area because the oxygen in the air leads to the not enough problem of the produced electric energy of fuel cell system, and the oxygen that stores still can be filtered by filter equipment after for vehicle personnel to use, avoided the waste of oxygen. Meanwhile, the invention utilizes clean energy of solar energy to generate electricity, meets the requirement of clean energy conversion technology at present, is beneficial to protecting ecological environment, and solves the problem of higher power consumption when the hydrogen and oxygen production device by water electrolysis operates. The hydrogen self-supplied by the vehicle is used as a power source of the vehicle by the fuel cell, so that the normal operation of the vehicle can be effectively ensured, and the endurance mileage of the vehicle is effectively increased.

Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.

Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An oxyhydrogen self-supply vehicle, characterized in that the oxyhydrogen self-supply vehicle comprises a vehicle body, a fuel cell and an oxyhydrogen self-supply system; the hydrogen and oxygen self-supply system comprises a power generation device, a first controller, a hydrogen and oxygen production device, a hydrogen storage tank, a hydrogen pressure sensor, an oxygen storage tank, an oxygen pressure sensor, a filtering device, a first oxygen control valve, a second oxygen control valve, an environmental oxygen sensor and a second controller;

2. The hydrogen and oxygen self-supplying vehicle according to claim 1, wherein the hydrogen and oxygen self-supplying system further comprises an in-vehicle oxygen sensor;

3. The oxyhydrogen self-supply cart according to claim 1, wherein the power generation device is a photovoltaic power generation device; the hydrogen and oxygen production device is a hydrogen and oxygen production device by electrolyzing water.

4. The hydrogen and oxygen self-supplying vehicle according to claim 1, wherein the hydrogen and oxygen self-supplying system comprises a first check valve, a second check valve, a third check valve, a fourth check valve;

5. The hydrogen and oxygen self-supplying vehicle according to claim 1, further comprising a DC-DC converter, a battery pack, a motor controller, a motor, a speed reducer, a differential, a transmission shaft;

6. An oxyhydrogen self-supplying ambulance is characterized in that the oxyhydrogen self-supplying ambulance comprises a vehicle body, a negative pressure fan device, an exhaust filtering device, a movable sickbed, an oxygen mask, a fuel cell and an oxyhydrogen self-supplying system;

7. The oxyhydrogen self-supply ambulance according to claim 6, wherein said oxyhydrogen self-supply system further comprises an in-car oxygen sensor;

8. The oxyhydrogen self-supplying ambulance according to claim 6, further comprising a DC-DC converter, a battery pack, a motor controller, a motor, a reducer, a differential, a transmission shaft; the DC-DC converter is electrically connected with the fuel cell; the battery pack is connected with the DC-DC converter; the DC-DC converter is electrically connected with the motor controller and the motor respectively; the control end of the motor is electrically connected with the motor controller; the motor, the speed reducer and the differential are sequentially connected, and the differential is connected with the transmission shaft to drive the vehicle to run;

9. The oxyhydrogen self-feeding ambulance according to claim 6, wherein said power generation device is a photovoltaic power generation device; the hydrogen and oxygen production device is a hydrogen and oxygen production device by electrolyzing water.

10. A hydrogen-oxygen self-supply method for a vehicle, characterized by comprising:

generating power by adopting a photovoltaic power generation device;