阅读说明：本技术 一种用于高原的机身增压舱 (Fuselage pressurizing cabin for plateau ) 是由 高长越 张统一 倪振洪 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种用于高原的机身增压舱,包括密封的舱体,舱体设置有可密封的供人员通过的门,舱体内部设置有空腔,该空腔按照设计要求分为一个或多个功能区；其特征在于：所述舱体为飞机机身壳体,在飞机机身壳体内或外面,设置增加空气装置和增加氧气装置；启动增加空气装置和增加氧气装置,向舱体内部的空腔通入气体或氧气,提高内部空腔的气体压力。利用该增加空气装置和增加氧气装置调节机身内部的空气压力与周围大气空气压力之差,这样的增压舱放置在高海拔山上是可以直接使用,施工人员只需要将该增压舱固定在地面上既可,缩短施工工期,废物利用,运输方便,节约运输成本。(The invention discloses a fuselage pressurizing cabin for plateau, which comprises a sealed cabin body, wherein the cabin body is provided with a sealable door for personnel to pass through, and a cavity is arranged in the cabin body and is divided into one or more functional areas according to design requirements; the method is characterized in that: the cabin body is an airplane body shell, and an air increasing device and an oxygen increasing device are arranged in or outside the airplane body shell; starting the air adding device and the oxygen adding device, and introducing gas or oxygen into the cavity inside the cabin body to improve the gas pressure of the inner cavity. The difference between the air pressure inside the machine body and the ambient atmospheric air pressure is adjusted by the air increasing device and the oxygen increasing device, so that the pressurizing cabin can be directly used when being placed on a high-altitude mountain, constructors only need to fix the pressurizing cabin on the ground, the construction period is shortened, waste is utilized, the transportation is convenient, and the transportation cost is saved.)

1. A fuselage pressurizing cabin for plateau comprises a sealed cabin body (1), wherein the cabin body (1) is provided with a door which can be sealed and used for personnel to pass through, a cavity is arranged in the cabin body (1), and the cavity is divided into one or more functional areas according to design requirements; the method is characterized in that: the cabin body (1) is an airplane body shell, and an air increasing device and an oxygen increasing device are arranged in or outside the airplane body shell; starting the air adding device and the oxygen adding device, and introducing gas or oxygen into the cavity inside the cabin body (1) to improve the gas pressure of the inner cavity.

2. The fuselage pressurizing cabin for plateau according to claim 1, characterized in that the air adding device and the oxygen adding device are communicated with an air circulation pipeline arranged in the aircraft cabin body (1), the original air circulation pipeline is utilized to introduce air, and an air pressure detecting device for detecting pressure is also arranged in the cabin body (1).

3. The fuselage pressurizing cabin for the plateau as claimed in claim 1, wherein the functional area is a medical area (8) arranged in the middle of the cabin body (1), the front part of the cabin body (1) is an equipment area (5) for storing air increasing devices and oxygen increasing devices, the middle part of the cabin body (1) is the medical area (8), the rear part of the cabin body (1) is a medicine storage area (13), wherein a pressurizing area (4) is arranged in the medical area (8), a first airtight door (7) is arranged in the pressurizing area (4), the first airtight door is a cabin door of the fuselage, the first airtight door (7) is used for blocking the pressurizing area (4) from the outside atmosphere, and a second airtight door (6) is arranged between the pressurizing area (4) and the medical area (8).

4. Fuselage cell according to claim 2, characterized in that, when there are more than two of said cells (1), the functional area is divided into a medical area (8) arranged in the middle of one cabin body (1) and a living area (2) arranged in the other cabin body (1), the adjacent cabin bodies (1) are communicated through a sealing passageway (3), the front part of each cabin body (1) is used as an equipment area (5) for storing air adding devices and oxygen adding devices, a pressurizing area (4) is arranged in the medical area (8), a first airtight door (7) is arranged in the pressurizing area (4), the first airtight door is a cabin door carried by the body of the airplane, the first airtight door (7) is used for blocking the supercharging area (4) from the outside atmosphere, and a second airtight door (6) is arranged between the pressurizing area (4) and the medical area (8).

5. The fuselage plenum chamber for plateau according to any one of claims 3 to 4, characterized in that the top of the inner chamber of the chamber body (1) is provided with a plurality of negative ion generators (9) along the axial direction for generating negative ions.

6. Fuselage plenum for plateaus according to claim 4, characterized in that the bottom of the cabin (1) is provided with a pallet for fixing the cabin (1) each, the pallet comprises a first pallet (10) and a second pallet (11), a connecting table (12) is provided between the first pallet (10) and the second pallet (11), the connecting table (12) corresponds to the sealed aisle (3) for supporting the sealed aisle (3).

7. Fuselage plenum chamber for tall buildings according to any of the claims 3-4, characterized in that the first airtight door (7) is provided with a ladder (14) on one side.

Technical Field

The invention relates to the technical field of pressurizing and oxygen supplying devices, in particular to a fuselage pressurizing cabin for a plateau.

Background

Along with the deep economic construction of the western countries, the population for saving cadres is increasing day by day. In order to solve the technical problems, Chinese patent document (with the publication number being CN 109025375A) discloses a multi-person highland life pressurizing cabin which comprises an equipment cabin, a transition cabin and a living cabin, wherein pressure and oxygen are provided for the transition cabin and the living cabin through a pressurizing and air processing device in the equipment cabin, so that the pressure and the oxygen partial pressure in the transition cabin and the living cabin can be obviously higher than the external atmospheric pressure, and the pressure in the transition cabin can be only changed in the process of the person in the living cabin coming in and out, thereby avoiding influencing the person in the living cabin.

Though can satisfy the aid through above-mentioned scheme cadre, stay and hide army and tourism crowd life in plateau and solve the plateau oxygen deficiency problem, however, the pressurized cabin of above-mentioned scheme needs the on-the-spot installation preparation on the mountain of high altitude, because high altitude air is thin, lead to constructor to breathe unsmooth, the construction progress will slow down, and simultaneously, pressure boost and air treatment device in this pressurized cabin, the device includes equipment such as air filter, supercharging device, the heat exchanger, silencer and vortex air pump, these equipment all need transport on the high altitude mountain, lead to the cost of transportation to increase.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a fuselage pressurizing cabin for plateau, which can be installed and formed at one time and is cost-effective.

The technical scheme adopted by the invention is as follows:

a fuselage pressurizing cabin for plateau comprises a sealed cabin body, wherein the cabin body is provided with a sealable door for personnel to pass through, and a cavity is arranged in the cabin body and is divided into one or more functional areas according to design requirements; the method is characterized in that: the cabin body is an airplane body shell, and an air increasing device and an oxygen increasing device are arranged in or outside the airplane body shell; starting the air adding device and the oxygen adding device, and introducing gas or oxygen into the cavity inside the cabin body to improve the gas pressure of the inner cavity.

The scheme is that the abandoned civil aviation aircraft is purchased, wings, a tail, an engine device and a landing gear of the aircraft are removed, unnecessary seats in the aircraft are removed, the overall weight is reduced, and the aircraft body shell, a reusable air adding device, a reusable oxygen adding device and a circuit waterway device are reserved; after dismantling the equipment that does not need with civil aviation aircraft, reuse air transportation and transport aircraft fuselage casing to appointed high altitude mountain, because aircraft cabin body itself takes air augmentation device and increases the oxygen device, utilize this air augmentation device and increase the difference of the inside air pressure of oxygen device regulation fuselage and the atmosphere air pressure around, such pressurized cabin places on high altitude mountain and can directly use, constructor only need with this pressurized cabin fix subaerial both can, shorten construction period, waste utilization, it is convenient to transport, practice thrift the cost of transportation.

Meanwhile, the aircraft fuselage shell has strong anti-fatigue characteristics, so that the aircraft fuselage shell is used as a light cabin structure for carrying a functional area, and the service life of the aircraft fuselage shell can be prolonged on high-altitude mountains.

Further, the air adding device and the oxygen adding device are communicated with an air circulation pipeline arranged in the aircraft cabin body, air is introduced by utilizing the original air circulation pipeline, and an air pressure detection device for detecting pressure is further arranged in the cabin body.

Design like this, need pressure boost and oxygen suppliment in this scheme need not additionally add equipment, only need increase the circulation of air pipeline intercommunication that air device and increase oxygen device and aircraft cabin internal set up, utilize original circulation of air pipeline to let in gas, adjust the difference of the inside air pressure of fuselage and surrounding atmospheric air pressure, make pressure and the oxygen partial pressure in the fuselage can obviously be higher than external atmospheric pressure, and be used for detecting the pressure in the fuselage through atmospheric pressure detection device, guarantee the comfortable life of personnel.

Further, the functional area is the medical area that sets up cabin body middle part, the anterior equipment area that is used for depositing the device that increases the air and increases the oxygen device of cabin body, the cabin body rear portion is the medicine and deposits the district, wherein, be equipped with the pressurized area in the medical area, be equipped with first airtight door in the pressurized area, first airtight is aircraft fuselage casing's own hatch door, first airtight door is used for the separation pressurized area and external atmosphere, the pressurized area with be provided with the second airtight door between the medical area.

The air adding device and the oxygen adding device in the equipment area provide pressure and oxygen for the medical area, so that the pressure and the oxygen partial pressure in the medical area can be obviously higher than the external atmospheric pressure, meanwhile, a pressurization area is also arranged in the medical area, and a cabin door of the airplane body shell is used as a first airtight door, so that the material cost is saved; the first airtight door is used for separating the pressurizing area from the outside atmosphere, and the pressurizing area is gradually pressurized by the air adding device and the oxygen adding device, so that the pressure and the oxygen in the pressurizing area are the same as those in the medical area, and therefore, the phenomenon that personnel directly enter a low-pressure environment from a high-pressure environment to cause discomfort is avoided, the pressure in the pressurizing area can be only changed in the process of entering and exiting the medical area, and the influence on the personnel in the medical area is avoided; safety in the medical area and the pressurizing area can be guaranteed to the maximum extent through the first airtight door and the second airtight door, and accidents caused by overlarge pressure or undersize ventilation quantity due to system faults are avoided.

Further, when the cabin body is more than two, the medical area of setting in a cabin body middle part and the living area of setting in another cabin body are divided into to the functional zone, through sealed passageway intercommunication between the adjacent cabin body, and the anterior equipment district that is used for depositing to increase the air installation and increase the oxygen device of every cabin body, be equipped with the pressurized area in the medical area, be equipped with first airtight door in the pressurized area, first airtight is aircraft fuselage casing own hatch door, first airtight door is used for the separation pressurized area and external atmosphere, the pressurized area with be provided with the second airtight door between the medical area.

In addition to the technical effects of the scheme, the two or more cabin bodies are communicated through the sealing channel, and meanwhile, the rest parts of the other cabin body are used as living areas, so that the living areas of people are enlarged, the medical department can live in high-altitude mountains for a long time, and a stable treatment environment is provided.

Further, a plurality of negative ion generators are arranged on the top of the chamber in the cabin body along the axis direction and used for generating negative ions.

A plurality of negative ion generators are arranged in the chamber in the cabin body, and the negative ion generators are used for generating negative ions, so that the oxygen content and the oxygen storage capacity of brain tissues can be improved, the phenomenon of oxygen deficiency and dizziness of personnel can be avoided, meanwhile, the negative ions can improve aerobic metabolism, correct acidosis and improve the environment in the brain; is beneficial to the recovery of patients.

Further, the cabin body bottom is equipped with the saddle that is used for fixed cabin body respectively, the saddle includes first saddle and second saddle, be equipped with the connection platform between first saddle and the second saddle, the connection platform corresponds sealed passageway for support sealed passageway.

The supporting and fixing of the cabin body are realized through the first supporting platform and the second supporting platform, meanwhile, the connecting platform corresponding to the sealed passageway is arranged between the first supporting platform and the second supporting platform, the supporting of the sealed passageway is realized, the supporting is simple and easy, the operation of constructors is facilitated, and the constructors are prevented from being used under the high-altitude environment for a long time.

Furthermore, a ladder is arranged on one side of the first airtight door. This facilitates personnel access to the medical area.

Compared with the prior art, the invention has the following advantages:

1. the method removes the wings, the tail, the engine device and the landing gear of the aircraft by purchasing the abandoned civil aircraft, such as the Boeing 717 aircraft, keeps the aircraft body, removes the unnecessary seats in the aircraft body, reduces the whole weight, and keeps the equipment needed to be used, such as a power generation system, an air conditioning compressor, an oxygen supply system and the like.

2. The pressurizing area is communicated with the medical area through a second airtight door, after personnel enter the pressurizing area in a normal pressure state, the door of the machine body, namely the first airtight door, is closed, the pressurizing area is pressurized through a compressor of the aircraft until the pressure of the pressurizing area is the same as that of the medical area, then the second airtight door is opened, the personnel enter the medical area and then close the second airtight door, and meanwhile, the living area and the medical area realize constant air pressure in the living area and the medical area through a sealed channel, so that the walking of the personnel is not influenced; when the patient goes out, the patient needs to enter the pressurizing area by opening the second airtight door and then open the first airtight door after closing the second airtight door, so that the phenomenon that the air pressure in the pressurizing area and the medical area is convected because the air pressure in the pressurizing area is smaller than that in the medical area in the process of opening the first airtight door, the air pressure in the medical area is rapidly reduced, and the influence on the patient staying in the medical area is further avoided.

3. The invention generates negative ions in the medical area through the negative ion generator, enhances the hematopoietic function through the negative ions and promotes the blood to be normal; the negative oxygen ions have the functions of stimulating the hematopoietic function of the bone marrow and promoting abnormal blood components to be normal; the negative oxygen ions can reduce blood sedimentation, increase serum Ca, reduce serum K, weaken blood coagulation, increase leucocyte and the like, which shows that the negative oxygen ions can effectively enhance the hematopoietic function of human bodies, promote the normalization of blood and have good effect on the rehabilitation of blood diseases in medical areas, thereby assisting medical personnel to treat patients and ensuring the rehabilitation of the patients.

4. The living area is internally provided with fitness equipment, a toilet, a bathroom and a leisure and entertainment room, normal living and entertainment are realized in a high altitude area in all directions, the negative ion generator is arranged in the living area to generate sufficient negative ions, the immunity is improved, and meanwhile, the dizzy phenomenon caused by a high-pressure environment when people take a bath in the bathroom is avoided.

5. The negative ion generator is matched with an air conditioning system carried by the machine body, because the negative ion generator utilizes a pulse and oscillation electric appliance to raise low voltage to direct current negative high voltage, and utilizes direct current high voltage at the tip of the carbon brush to generate high corona and discharge a large amount of electrons at high speed, the temperature in the machine body is easily raised, and the air conditioning system is matched to realize proper temperature in the machine body and improve the comfort level of people.

Drawings

FIG. 1 is a schematic structural view of a single body of a fuselage plenum for an plateau according to the present invention;

FIG. 2 is a schematic structural view of two bodies of the fuselage plenum for an plateau of the present invention;

fig. 3 is a front view of the double hull of fig. 2.

In the figure: the device comprises a cabin body 1, a living area 2, a sealed passageway 3, a pressurization area 4, a device area 5, a second airtight door 6, a first airtight door 7, a medical area 8, a negative ion generator 9, a first support table 10, a second support table 11, a connecting table 12, a medicine storage area 13 and a ladder 14.

Detailed Description

The invention will be described in connection with the following figures and examples.

In this embodiment: referring to fig. 1 to 3, a fuselage pressurizing cabin for a plateau comprises a sealed cabin body 1, wherein the cabin body 1 is provided with a door capable of being sealed and allowing personnel to pass through, and a cavity is arranged in the cabin body 1 and is divided into one or more functional areas according to design requirements; the cabin body 1 is an airplane body shell, and an air increasing device and an oxygen increasing device are arranged in or outside the airplane body shell; starting the air adding device and the oxygen adding device, and introducing gas or oxygen into the cavity inside the cabin body 1 to improve the gas pressure of the inner cavity.

The scheme is that the abandoned civil aviation aircraft is purchased, wings, a tail, an engine device and a landing gear of the aircraft are removed, unnecessary seats in the aircraft are removed, the overall weight is reduced, and the aircraft body shell, a reusable air adding device, a reusable oxygen adding device and a circuit waterway device are reserved; after dismantling the equipment that does not need with civil aviation aircraft, reuse air transportation and transport aircraft fuselage casing to appointed high altitude mountain, because cabin body 1 is from taking air augmentation device and increasing oxygen device, utilize this air augmentation device and increasing the difference of the inside air pressure of oxygen device regulation fuselage and the atmosphere air pressure around, such pressurized cabin places on high altitude mountain and can directly use, constructor only need with this pressurized cabin fix subaerial both can, shorten construction period, waste utilization, it is convenient to transport, practice thrift the cost of transportation.

Meanwhile, the aircraft fuselage shell has strong anti-fatigue characteristics, so that the aircraft fuselage shell is used as a light cabin structure for carrying a functional area, and the service life of the aircraft fuselage shell can be prolonged on high-altitude mountains.

Preferably, the air adding device and the oxygen adding device are communicated with an air circulation pipeline arranged in the aircraft cabin body 1, the original air circulation pipeline is used for introducing air, and an air pressure detection device for detecting pressure is arranged in the aircraft body.

Design like this, need pressure boost and oxygen suppliment in this scheme need not additionally add equipment, only need to increase the circulation of air pipeline intercommunication that air device and increase oxygen device and aircraft cabin body set up in 1, utilize original circulation of air pipeline to let in gas, adjust the difference between the inside air pressure of fuselage and the atmosphere air pressure on every side, make pressure and the oxygen partial pressure in the fuselage can obviously be higher than external atmospheric pressure, and be used for detecting the pressure in the fuselage through atmospheric pressure detection device, guarantee the comfortable life of personnel, wherein, it is the aircraft compressor from the area to increase the air device.

Preferably, the functional area is a medical area 8 arranged in the middle of the cabin body 1, the front part of the cabin body 1 is an equipment area 5 for storing air adding devices and oxygen adding devices, the rear part of the cabin body 1 is a medicine storage area 13, wherein a pressurizing area 4 is arranged in the medical area 8, a first airtight door 7 is arranged in the pressurizing area 4, the first airtight door is a cabin door of the aircraft body shell, the first airtight door 7 is used for isolating the pressurizing area 4 from the outside atmosphere, and a second airtight door 6 is arranged between the pressurizing area 4 and the medical area 8.

The air adding device and the oxygen adding device in the equipment area 5 provide pressure and oxygen for the medical area 8, so that the pressure and the oxygen partial pressure in the medical area 8 can be obviously higher than the external atmospheric pressure, meanwhile, the pressurizing area 4 is also arranged in the medical area 8, and a cabin door of the airplane body shell is used as a first airtight door 7, so that the material cost is saved;

the first airtight door 7 is used for separating the pressurizing area 4 from the outside atmosphere, and the pressurizing area 4 is gradually pressurized by the air adding device and the oxygen adding device, so that the pressure and the oxygen in the pressurizing area 4 are the same as the pressure and the oxygen in the medical area 8, and therefore, the phenomenon that personnel directly enter a low-pressure environment from a high-pressure environment to cause discomfort is avoided, the pressure in the pressurizing area 4 can only be changed in the process of entering and exiting of personnel in the medical area 8, and the influence on the personnel in the medical area 8 is avoided; safety in the medical area 8 and the pressurizing area 4 can be guaranteed to the maximum extent through the first airtight door 7 and the second airtight door 6, and accidents caused by overlarge pressure or undersize ventilation quantity due to system faults are avoided.

Preferably, when the number of the cabin bodies 1 is more than two, the functional areas are divided into a medical area 8 arranged in the middle of one cabin body 1 and a living area 2 arranged in the other cabin body 1, the adjacent cabin bodies 1 are communicated through a sealed passageway 3, the front part of each cabin body 1 serves as an equipment area 5 for storing an air increasing device and an oxygen increasing device, a pressurizing area 4 is arranged in the medical area 8, a first airtight door 7 is arranged in the pressurizing area 4, the first airtight door is a cabin door of the aircraft body shell, the first airtight door 7 is used for isolating the pressurizing area 4 from the outside atmosphere, and a second airtight door 6 is arranged between the pressurizing area 4 and the medical area 8.

In addition to the technical effects of the scheme, the two or more cabin bodies 1 are communicated through the sealing channel, and meanwhile, the rest parts of the other cabin body 1 are used as living areas 2, so that the living areas 2 of people are enlarged, medical departments can live in high-altitude mountains for a long time, and a stable treatment environment is provided.

Preferably, a plurality of negative ion generators 9 for generating negative ions are installed at the top of the inner chamber of the cabin 1 along the axial direction.

A plurality of anion generators 9 are arranged in the inner cavity of the cabin body 1, and the anion generators 9 are used for generating anions, so that the oxygen content and the oxygen storage capacity of brain tissues can be improved, the phenomenon of oxygen deficiency and dizziness of personnel can be avoided, meanwhile, the anions can improve aerobic metabolism, correct acidosis and improve the environment in the brain; is beneficial to the recovery of patients.

Preferably, the bottom of the cabin 1 is provided with a pallet for fixing the cabin 1, the pallet comprises a first pallet 10 and a second pallet 11, a connecting table 12 is arranged between the first pallet 10 and the second pallet 11, and the connecting table 12 corresponds to the sealed aisle 3 and is used for supporting the sealed aisle 3.

Realize the support and the fixed of the cabin body 1 through first saddle 10 and second saddle 11, simultaneously, set up between first saddle 10 and second saddle 11 and be connected the platform 12 with sealed passageway 3 is corresponding, realize the support to sealed passageway 3, simple and simple makes things convenient for constructor to operate, avoids constructor to be long-time under high altitude environment like this.

Preferably, a ladder 14 is provided on one side of the first airtight door 7. This facilitates personnel access to the medical area 8.

1. The method removes the wings, the tail, the engine device and the landing gear of the aircraft by purchasing the abandoned civil aircraft, such as the Boeing 717 aircraft, keeps the aircraft body, removes the unnecessary seats in the aircraft body, reduces the whole weight, and keeps the equipment needed to be used, such as a power generation system, an air conditioning compressor, an oxygen supply system and the like.

2. The pressurizing area 4 is communicated with the medical area 8 through the second airtight door 6, after personnel enter the pressurizing area 4 in a normal pressure state with the same external atmospheric pressure, a cabin door of a machine body, namely the first airtight door 7, is pressurized through a compressor of the aircraft until the pressure of the pressurizing area 4 is the same as that of the medical area 8, then the second airtight door 6 is opened, the personnel enter the medical area 8 and then close the second airtight door 6, and meanwhile, the living area 2 and the medical area 8 realize constant internal air pressure of the living area 2 and the medical area 8 through a sealed channel, so that the personnel are ensured not to be influenced; when the person goes out, the person enters the pressurizing area 4 by opening the second airtight door 6, and opens the first airtight door 7 after closing the second airtight door 6, so that the phenomenon that the air pressure in the pressurizing area 4 and the medical area 8 is convected because the air pressure in the pressurizing area 4 is smaller than the air pressure in the medical area 8 in the process of opening the first airtight door 7, the air pressure in the medical area 8 is rapidly reduced, and the person staying in the medical area 8 is influenced can be avoided.

3. According to the invention, the negative ions are generated in the medical area 8 through the negative ion generator 9, and the hematopoietic function is enhanced through the negative ions, so that the blood is promoted to be normal; the negative oxygen ions have the functions of stimulating the hematopoietic function of the bone marrow and promoting abnormal blood components to be normal; the negative oxygen ions can reduce the blood sedimentation, increase the serum Ca, reduce the serum K, weaken the blood coagulation, increase the white blood cells and the like, which all show that the negative oxygen ions can effectively enhance the hematopoietic function of the human body and promote the normalization of the blood, and have good effect on the recovery of blood diseases in the medical area 8, thereby assisting medical personnel in treating patients and ensuring the recovery of the patients.

4. The living area 2 is internally provided with fitness equipment, a toilet, a bathroom and a leisure and entertainment room, normal living and entertainment can be realized in a high altitude area in all directions, the negative ion generator 9 is arranged in the living area 2 for use, generates sufficient negative ions, improves the immunity, and simultaneously avoids dizzy phenomenon caused by high-pressure environment when people take a bath in the bathroom.

5. The negative ion generator 9 is matched with an air conditioning system carried by the machine body for use, because the negative ion generator 9 utilizes a pulse and oscillation electric appliance to raise the low voltage to the direct current negative high voltage, and utilizes the direct current high voltage at the tip of the carbon brush to generate high corona and discharge a large amount of electrons at high speed, the temperature in the machine body is easily raised, and the air conditioning system is matched to realize the proper temperature in the machine body and improve the comfort level of people.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.