Oxygen generation vehicle suitable for being used in high-altitude regions

By designing the insulation compartment partition and equipment combination in the oxygen-making vehicle, the problem that oxygen-making vehicles in high-altitude areas cannot meet multiple oxygen needs at the same time is solved, and an efficient and reliable oxygen supply and a comfortable oxygen absorption environment is achieved, which is suitable for high-altitude rescue and training.

CN223252855UActive Publication Date: 2025-08-22孙亮
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Patent Information

Application Number
CN202420145800.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-22
Publication Date
2025-08-22
Estimated Expiration
2034-01-22

AI Technical Summary

Technical Problem

When used in high-altitude areas, existing oxygen-making vehicles cannot meet the needs of oxygen production, oxygen absorption, filling and oxygen storage at the same time. Moreover, air drying equipment is prone to ice blockage due to low temperature environments, affecting start-up, resulting in poor application effect.

Method used

An oxygen-making vehicle including an insulating chamber is designed. The cabin is divided into an oxygen-absorbing chamber, a filling chamber, an equipment room and a power generation room. It is equipped with generators, oxygen-making machines, filling machines, a blower, a fan and an air tank. It uses polyurethane insulation material, combined with air tanks and heaters to prevent ice blockage, and provides an efficient oxygen supply and a temperature control environment.

Benefits of technology

It realizes oxygen production, filling, oxygen storage and oxygen absorption functions at high altitudes, improves the reliability and comfort of the equipment in low temperature environments, and enhances the logistics support capabilities of high-altitude rescue and training.

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Abstract

The utility model relates to an oxygen generation vehicle suitable for being used in high-altitude regions. The oxygen generation vehicle comprises an oxygen uptake chamber, a filling chamber, an equipment chamber and a power generation chamber. The oxygen generation vehicle is provided with a generator, an oxygen generator, a filling machine, a dispersed oxygen outlet, a nasal suction pipe, an oxygen uptake and filling oxygen bottle and an oxygen bag, can achieve the functions of oxygen generation, filling, oxygen storage, oxygen uptake and the like anytime and anywhere, is provided with a vehicle-mounted forklift, can carry materials and remove obstacles and rescue, and is further suitable for field training and fire rescue in high-altitude regions. Wherein the suction dryer in the equipment room effectively removes air moisture, and is not easy to freeze under the cooperation of the air compressor and the heater, so that the environment adaptability is stronger; the control panel independently mounted in the filling chamber has good electrical safety performance, and all equipment control switches can be concentrated in the control panel and are easy to operate; air quality adjustment and temperature adjustment are carried out in the oxygen uptake chamber through the fan heater and the air conditioner, and the comfort degree of oxygen uptake personnel is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of special vehicles, and in particular to an oxygen-generating vehicle suitable for use in high-altitude areas. Background Art

[0002] During field rescue in high-altitude areas, due to the thin oxygen in the plateau, if people who have not regularly trained in the plateau go to the plateau for rescue, they are prone to altitude sickness and hypoxia. In addition, during long-term rescue work on site, sufficient oxygen is needed to meet the needs of relevant personnel.

[0003] After market research, the inventor found that CN 103434429 A discloses an oxygen supply plateau special support vehicle and its manufacturing and use method, including a body of the plateau support vehicle, wherein the body is provided with a group of plateau oxygen generators, satellite TV, several air conditioners, several oxygen diffusion ports and direct suction outlets, the air conditioners and oxygen diffusion ports are distributed in the body, and the air conditioners or oxygen diffusion ports can be set at any position in the body according to user needs, the plateau oxygen generator is set near the front of the body, and several overhead exhaust fans and satellite TV signal receivers are also provided on the top of the body, the body is also provided with an oil engine cooling device near the engine, the engine is also connected to a power take-off generator, and the power take-off generator is set on the body chassis; the body of the plateau support vehicle is divided into five functional areas, including a plateau oxygen generator area, a rest area, a living area, a conference and office area, and a toilet; the plateau oxygen generator is set in the plateau oxygen generator area, and the satellite TV is set in the conference and office area; the entire body is connected to various devices through a control system, the control system includes a host with an air release valve, a detection device, an input and output device with a touch screen structure, and a solenoid valve, and the host is also connected to an oxygen outlet panel. CN 113895341 B discloses a plateau mobile oxygen generator, comprising an oxygen generator body 1 and a carriage 2 mounted on the oxygen generator body 1. The interior of the carriage 2 is divided into an oxygen supply room 21 and an equipment room 22, which are independent of each other. An entrance communicating with the oxygen supply room 21 is provided on the front side wall of the carriage 2. A door 211 is hingedly connected to the entrance of the carriage 2, through which people can enter and exit the oxygen supply room 21. A plurality of windows 212 are installed on the front and rear side walls of the oxygen supply room 21. Two rows of benches 213 arranged symmetrically in front and back are fixedly installed in the oxygen supply room 21. The oxygen supply room 21 is also equipped with an oxygen supply Terminal 214, the oxygen supply terminal 214 is used to output oxygen. An air filtration unit 221, an air compression unit 222, a molecular sieve unit 223 and an oxygen storage unit 224, which are connected in sequence, are fixedly installed in the equipment room 22. The oxygen storage unit 224 is connected to the oxygen supply terminal 214. An inspection port connected to the equipment room 22 is provided on the side wall at the rear of the carriage 2. The carriage 2 is equipped with double doors 225 at the inspection port. A plurality of air vents 226 connected to the equipment room 22 are also provided on the front and rear side walls of the carriage 2 to facilitate heat dissipation and air circulation of the equipment in the equipment room 22.

[0004] The aforementioned patent addresses the need for oxygen production and inhalation, as well as the problem of automatic filter replacement. However, it lacks a tank for storing oxygen and its application beyond the vehicle, and much room for improvement remains. Furthermore, existing oxygen generators typically only have a generator and oxygen production system, along with an oxygen inhalation chamber and oxygen production system, failing to simultaneously meet the needs of oxygen production, inhalation, filling, and storage. Furthermore, the air dryer used in the air drying equipment is prone to ice blockage and difficulty starting if the oxygen generator is shut down during nighttime, when temperatures are at their lowest in high-altitude areas. This results in poor performance due to the ambient temperature. Summary of the Invention

[0005] In view of the defects mentioned in the background technology, the present invention provides an oxygen-generating vehicle suitable for use in high-altitude areas, with the aim of better serving the needs of field rescue and training in high-altitude areas.

[0006] The oxygen-generating vehicle suitable for use in high-altitude areas described in the present invention includes an insulated cabin carried by a chassis vehicle, and the insulated cabin is divided into an oxygen absorption chamber, a filling chamber, an equipment room and a power generation room by three hard partitions. The oxygen absorption chamber is adjacent to the driver's cabin of the chassis vehicle, the equipment room is located opposite to the oxygen absorption chamber, and the power generation room is adjacent to the equipment room; and the skirt box arranged at the lower part of the insulated cabin is used to place an auxiliary fuel tank, a heater 01 and cables and other equipment.

[0007] Furthermore, the filling room is located between the equipment room and the oxygen inhalation room. Two doors are installed in the filling room to enter the oxygen inhalation room and the equipment room respectively. A single-opening door 08 is provided on the side of the filling room to enter the insulation cabin. A boarding ladder 11 is installed under the single-opening door 08, and an oxygen cylinder storage rack 17 for filling oxygen cylinders is provided opposite to it; the oxygen cylinder storage rack 17 is installed with a control panel 18.

[0008] Furthermore, in the equipment room, the two sides of the insulation cabin are equipped with shutters 05 for letting in air from outside the insulation cabin, and a booster 19 and a filling machine 26 are installed on both sides; an air tank 21 is installed opposite the booster 19; a filling port 27 is next to the filling machine 26, and an oxygen tank 25 is installed opposite it, and a double-opening door 07 is installed on the side of the adjacent insulation cabin; an oxygen concentrator is installed between the air tank 21 and the oxygen tank 25, and a heater 20 is installed next to it. The oxygen concentrator is assembled by a filter 22, a dryer 23 and an oxygen concentrator main unit 24; the oxygen tank 25 is installed on both sides. A battery 29 and an air compressor 31 are installed; the air compressor 31 has a heat dissipation device, which is connected to the air tank 21, and the air in the equipment room is filtered through the filter 22 and then pressed into the air tank 21; the air tank 21 is connected to the dryer 23, and the moisture in the air is removed and the high-concentration oxygen is generated by the oxygen generator 24 and then stored in the oxygen tank 25; the oxygen tank 25 outputs the high-concentration oxygen inside it through the oxygen supply pipeline to the oxygen inhalation terminal 13 and the filling machine 26 where the oxygen inhalation room is located; oxygen cylinders or oxygen bags are used to transfer and store oxygen at the filling port 27 where the filling machine 26 is located.

[0009] Furthermore, a boarding ladder 09 is installed on one side of the outer side of the oxygen inhalation room near the driver's cabin of the chassis; when entering the oxygen inhalation room, an air conditioner 03 is installed on the outside of the top of the thermal insulation cabin, a heater 01 is installed below the bottom of the thermal insulation cabin, windows 04 are installed on both sides, and multiple lights 30 are installed on both sides of the top; the air outlet of the air conditioner 03 is set at the top of the oxygen inhalation room; a seat 14 is installed below the window 04, a ventilation window 10 is installed above the driver's cabin of the chassis on one side, and a storage cabinet 16 is installed on the opposite side near the driver's cabin of the chassis; an oxygen inhalation terminal 13 is installed on the side of the thermal insulation cabin above the seat 14; a warm air channel 15 is connected between the heater 01 and the ventilation window 10.

[0010] Furthermore, a generator 28 is installed in the power generation room, rolling shutter doors 06 are installed on both sides of its insulation cabin, and a double-opening tailgate is installed at the rear of the vehicle; a ladder box 12 is installed under the double-opening tailgate, and next to it is a vehicle-mounted forklift 02 mounted on the chassis of the chassis vehicle; the generator 28 is connected to the auxiliary fuel tank to take oil.

[0011] Preferably, the thermal insulation cabin is made of a plate filled with polyurethane thermal insulation material.

[0012] Preferably, the seats 14 are 6-backrest seats.

[0013] Preferably, the oxygen inhalation terminal 13 includes a diffuse oxygen outlet and a nasal suction tube.

[0014] Preferably, the chassis vehicle is a full-range chassis vehicle.

[0015] Preferably, a plurality of warning lights are installed on the upper portion of the outer side surface of the thermal insulation cabin.

[0016] Beneficial effects of implementing the present invention: The oxygen-generating vehicle suitable for use in high-altitude areas is equipped with a generator, an oxygen generator, a filling machine, a diffused oxygen outlet, a nasal suction tube, an oxygen inhalation and filling cylinder and an oxygen bag, and can realize the functions of oxygen production, filling, storage and oxygen inhalation anytime and anywhere, and is equipped with a vehicle-mounted forklift, which can carry out material handling and obstacle removal and rescue operations, and is therefore suitable for field training and firefighting rescue in high-altitude areas; the equipment used in the present invention can be used at an altitude of 5000m and has full-area use functions; the dryer in the equipment room effectively removes moisture from the air, and is not easy to freeze with the cooperation of the air compressor 31 and the heater 20, and its environmental adaptability is stronger; the control panel 18 independently installed in the filling room has good electrical safety performance, and all equipment control switches can be concentrated here and are easy to operate; the air quality and temperature in the oxygen inhalation room are adjusted by the heater 01 and the air conditioner 03, which improves the comfort of the oxygen inhaling personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 : Schematic diagram of the oxygen generator elevation;

[0019] Figure 2 : Figure 1 Schematic diagram of the relative elevations;

[0020] Figure 3 : Figure 1 The right-facing schematic diagram of

[0021] Figure 4 : Schematic diagram of the six-sided projection of the oxygen production interior;

[0022] In the figure: heater 01, forklift 02, air conditioner 03, window 04, blinds 05, rolling door 06, double-opening door 07, single-opening door 08, top boarding ladder 09, ventilation window 10, boarding ladder 11, ladder box 12, oxygen inhalation terminal 13, seat 14, warm air duct 15, storage cabinet 16, oxygen cylinder storage rack 17, control panel 18, booster 19, heater 20, air tank 21, filter 22, dryer 23, oxygen generator 24, oxygen tank 25, filling machine 26, filling port 27, generator 28, battery 29, light 30, air compressor 31. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In one embodiment of the present invention, please refer to the attached Figure 1-4 As shown,

[0025] An oxygen-generating vehicle suitable for use in high-altitude areas comprises an insulated cabin carried on a chassis vehicle, wherein the insulated cabin is divided into an oxygen inhalation chamber, a filling chamber, an equipment chamber, and a power generation chamber by three hard partitions. The oxygen inhalation chamber is adjacent to a driver's cabin of the chassis vehicle, the equipment chamber is located opposite the oxygen inhalation chamber, and the power generation chamber is adjacent to the equipment chamber; and a skirt box provided at the lower part of the insulated cabin is used for accommodating equipment such as an auxiliary fuel tank, a heater 01, and cables.

[0026] Specifically, the filling room is located between the equipment room and the oxygen inhalation room. Two doors are installed in the filling room to enter the oxygen inhalation room and the equipment room respectively. A single-opening door 08 is provided on the side of the filling room for entering the thermal insulation cabin. A boarding ladder 11 is installed under the single-opening door 08, and an oxygen cylinder storage rack 17 for filling oxygen cylinders is provided opposite to it; the oxygen cylinder storage rack 17 is installed with a control panel 18 for controlling the operation of the equipment in the equipment room.

[0027] Entering the equipment room, the two sides of the insulation cabin are equipped with shutters 05 for letting in air from outside the insulation cabin, and a booster 19 and a filling machine 26 are installed on both sides; the booster 19 is installed with an air tank 21 opposite to it; next to the filling machine 26 is a filling port 27, and opposite to it is an oxygen tank 25, and a double-opening door 07 is installed on the side of the adjacent insulation cabin; an oxygen concentrator is installed between the air tank 21 and the oxygen tank 25, and a heater 20 is installed next to it. The oxygen concentrator is assembled by a filter 22, a dryer 23 and an oxygen concentrator main unit 24; the oxygen tank 25 is installed on both sides. There are batteries 29 and air compressor 31; the air compressor 31 has a heat dissipation device, which is connected to the air tank 21, and the air in the equipment room is filtered through the filter 22 and then pressed into the air tank 21; the air tank 21 is connected to the dryer 23, and the moisture in the air is removed and the high-concentration oxygen is generated by the oxygen generator 24 and then stored in the oxygen tank 25; the oxygen tank 25 outputs the high-concentration oxygen inside it through the oxygen supply pipeline to the oxygen inhalation terminal 13 and the filling machine 26 where the oxygen inhalation room is located; oxygen cylinders or oxygen bags are used to transfer and store oxygen at the filling port 27 where the filling machine 26 is located.

[0028] A roof ladder 09 is installed on one side of the outer side of the oxygen inhalation room near the driver's cabin of the chassis, which is used as a passage for repairing the air conditioner 03; when entering the oxygen inhalation room, an air conditioner 03 is installed on the outside of the top of the thermal insulation cabin, and a heater 01 is installed below the bottom of the thermal insulation cabin, with windows 04 installed on both sides and multiple lights 30 installed on both sides of the top; the air outlet of the air conditioner 03 is set at the top of the oxygen inhalation room; a seat 14 is installed below the window 04, a ventilation window 10 is installed on one side near the top of the driver's cabin of the chassis, and a storage cabinet 16 is installed on the opposite side near the driver's cabin of the chassis; an oxygen inhalation terminal 13 is installed on the side of the thermal insulation cabin above the seat 14; a warm air channel 15 is connected between the heater 01 and the ventilation window 10.

[0029] A generator 28 is installed in the power generation room, and rolling shutters 06 are installed on both sides of its heat-insulating cabin, and a double-opening tailgate is installed at the rear of the vehicle; a ladder box 12 is installed under the double-opening tailgate, and next to it is a vehicle-mounted forklift 02 mounted on the chassis of the chassis vehicle; the generator 28 is connected to the auxiliary oil tank for oil; the generator 28 provides the required electrical energy, and the rolling shutter 06 can dissipate the heat generated by the generator 28 after it is opened. After the double-opening tailgate is opened, the ladder box 12 is used to enter the power generation room to inspect and repair the generator 28; the vehicle-mounted forklift 02 can carry out material transportation and clear roads to achieve rapid rescue.

[0030] Preferably, the thermal insulation cabin is made of a plate filled with polyurethane insulation material, and the hot air generated by the heater 01 is passed into the ventilation window 10 in the oxygen inhalation chamber through the warm air channel 15 to maintain the optimal body temperature in the oxygen inhalation chamber in a low temperature environment.

[0031] Preferably, the seats 14 are 6-backrest seats, providing a comfortable sitting experience for oxygen-inhaling personnel.

[0032] The oxygen-making vehicle suitable for use in high-altitude areas adopts a high-mobility, high-off-road performance all-terrain chassis vehicle, plus an insulated cabin, an oxygen concentrator, a filling machine 26, a heater 01, a generator 28 and a vehicle-mounted forklift 02 and other equipment. The purpose is to solve the problem of oxygen deficiency for firefighters in the high-altitude and cold environment in the wild, so as to improve the comprehensive logistics support capabilities of the fire brigade; a plurality of warning lights are installed on the upper part of the outer side of the insulated cabin; in addition, it can improve the rescue efficiency in firefighting and rescue, and provide temporary oxygen needs for multiple people through multiple filled oxygen cylinders filled by the filling machine 26. Through the vehicle-mounted forklift 02, it is used for both material transportation and road clearance and rescue, so that those in urgent need of help can get oxygen as soon as possible.

[0033] When the oxygen concentrator suitable for use in high-altitude areas is in use, the generator 28 is started through the control panel 18 to supply power, and the battery 29 not only stores excess electricity but also outputs electricity with a stable voltage; after the oxygen concentrator is started, it automatically runs and produces oxygen, which can be supplied through the oxygen inhalation terminal 13 and filled into the oxygen cylinder through the filling port 27; the ventilation window 10 of the oxygen inhalation chamber is used to increase the air flow in the oxygen inhalation chamber, and the heater 01 is used to supplement the temperature in the oxygen inhalation chamber to achieve the best body temperature; and the air conditioner 03 adjusts the air quality and temperature in the oxygen inhalation chamber as needed.

[0034] The air compressor 31 in the equipment room is kept at the optimal operating temperature through its heat dissipation device and is not affected by the low temperature environment; since the dryer 23 removes water through the adsorption material in which it is located, no condensed water is generated; if in a low temperature environment, the heater needs to be turned on to raise the temperature in the cabin to above 5°C before it can be turned on for use.

[0035] The oxygen inhalation terminal 13 in the oxygen inhalation room can provide diffuse oxygen inhalation and nasal suction tube, and the oxygen bag can also be filled with oxygen through the oxygen inhalation terminal; the air conditioner 03 in the oxygen inhalation room, the hot air from the heater 01 to the ventilation window 10 and the backrest seat provide a comfortable oxygen inhalation environment for the oxygen inhaler.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An oxygen-generating vehicle suitable for use in high-altitude areas, comprising an insulated cabin carried on a chassis, characterized in that: The thermal insulation cabin is divided into an oxygen absorption chamber, a filling chamber, an equipment room and a power generation room by three hard partitions. The oxygen absorption chamber is adjacent to the driver's cabin of the chassis vehicle, the equipment room is located opposite to the oxygen absorption chamber, and the power generation room is adjacent to the equipment room; and a skirt box is provided at the lower part of the thermal insulation cabin.

2. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 1, characterized in that: The filling chamber is located between the equipment room and the oxygen inhalation chamber. Two doors are installed in the filling chamber and the equipment room respectively. A single-opening door (08) is provided on the side of the filling chamber for entering the filling chamber from the heat-insulating cabin. A cabin ladder (11) is installed below the single-opening door (08), and an oxygen cylinder storage rack (17) for filling oxygen cylinders is provided opposite the single-opening door (08). A control panel (18) is installed on the oxygen cylinder storage rack (17).

3. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 1, characterized in that: The equipment room has shutters (05) installed on both sides of the insulation cabin for allowing air outside the insulation cabin to pass through, and a booster (19) and a filling machine (26) are installed on both sides; an air tank (21) is installed opposite the booster (19); a filling port (27) is next to the filling machine (26), and an oxygen tank (25) is installed opposite it, and a double-opening door (07) is installed on the side of the adjacent insulation cabin; an oxygen concentrator is installed between the air tank (21) and the oxygen tank (25), and a heater (20) is installed next to the oxygen concentrator. The oxygen concentrator is assembled from a filter (22), a dryer (23) and an oxygen concentrator main unit (24); the oxygen tank (25) is installed on both sides. The apparatus is provided with a battery (29) and an air compressor (31); the air compressor (31) has a heat dissipation device, which is connected to an air tank (21) and filters the air in the equipment room through a filter (22) and presses the air into the air tank (21); the air tank (21) is connected to a dryer (23) and removes moisture from the air, and then generates high-concentration oxygen through an oxygen generator (24) and stores the high-concentration oxygen in an oxygen tank (25); the oxygen tank (25) outputs the high-concentration oxygen in the air through an oxygen transmission pipeline to an oxygen inhalation terminal (13) and a filling machine (26) where the oxygen inhalation chamber is located; and oxygen cylinders or oxygen bags are used to transfer and store oxygen at a filling port (27) where the filling machine (26) is located.

4. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 1, characterized in that: A boarding ladder (09) is installed on one side of the outer side of the oxygen inhalation room near the driver's cabin of the chassis; when entering the oxygen inhalation room, an air conditioner (03) is installed on the outside of the top of the heat-insulating cabin, a heater (01) is installed below the bottom of the heat-insulating cabin, windows (04) are installed on both sides, and a plurality of lights (30) are installed on both sides of the top; an air outlet of the air conditioner (03) is set at the top of the oxygen inhalation room; a seat (14) is installed below the window (04), a ventilation window (10) is installed on one side near the top of the driver's cabin of the chassis, and a storage cabinet (16) is installed on the opposite side near the driver's cabin of the chassis; an oxygen inhalation terminal (13) is installed on the side of the heat-insulating cabin above the seat (14); a warm air channel (15) is connected between the heater (01) and the ventilation window (10).

5. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 4, characterized in that: The seats (14) are 6 backrest seats.

6. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 4, characterized in that: The oxygen inhalation terminal (13) comprises a diffuse oxygen outlet and a nasal suction tube.

7. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 1, characterized in that: A generator (28) is installed in the power generation room, rolling shutter doors (06) are installed on both sides of the heat-insulating cabin, and a double-opening tailgate is installed at the rear of the vehicle; a ladder box (12) is installed below the double-opening tailgate, and a forklift (02) mounted on the chassis of the chassis vehicle is next to the ladder box; the generator (28) is connected to the auxiliary oil tank to draw oil.

8. The oxygen-generating vehicle suitable for use in high-altitude areas according to any one of claims 1 to 7, characterized in that: The heat-insulating cabin is made of a plate filled with polyurethane heat-insulating material.

9. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 8, characterized in that: The chassis vehicle is a full-range chassis vehicle.

10. The oxygen-generating vehicle suitable for use in high-altitude areas according to claim 9, characterized in that: A plurality of warning lights are installed on the upper portion of the outer side surface of the heat preservation cabin.

Citation Information

Patent Citations

  • Special highland oxygen supply insurance vehicle and manufacturing and use method of special highland oxygen supply insurance vehicle

    CN103434429A

  • A mobile oxygen generator for high-altitude areas

    CN113895341B