CN210591315U - Military vehicle-mounted oxygen supply device - Google Patents
Military vehicle-mounted oxygen supply device Download PDFInfo
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- CN210591315U CN210591315U CN201921386442.9U CN201921386442U CN210591315U CN 210591315 U CN210591315 U CN 210591315U CN 201921386442 U CN201921386442 U CN 201921386442U CN 210591315 U CN210591315 U CN 210591315U
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Abstract
The utility model provides a military vehicle-mounted oxygen supply device, which comprises a box body and a controller, wherein the box body comprises a frame body consisting of a frame, a bottom plate and two end plates, and the inside of the frame body is divided into an upper through space and a lower through space by a supporting plate; two molecular sieve towers are erected on the supporting plate side by side, and a filter and an oxygen storage tank are erected on the supporting plate between the two molecular sieve towers in sequence; the bottom plate of the box body is fixedly provided with a compressor and a controller, the air outlet end of the filter is communicated with the oxygen storage tank sequentially through the compressor, a radiator, an electromagnetic valve and a molecular sieve tower, a fan is fixedly arranged in a lower space outside the radiator and is just opposite to an end plate of the fan, a fan cover is arranged on the air inlet, a flowmeter is fixedly arranged on the end plate, and the air inlet end of the flowmeter is communicated with the oxygen storage tank through a pressure reducing valve. The utility model discloses make full use of box and the clearance between the different subassemblies have effectively reduced volume, the weight of product, and the military vehicle of being convenient for installs and uses.
Description
Technical Field
The utility model relates to an apparatus of oxygen supply, in particular to for military use vehicle-mounted apparatus of oxygen supply.
Background
China has wide territory area, the altitude difference is up to more than 8000 m, and the Qinghai-Tibet plateau, the loess plateau, the inner Mongolia plateau and the cloud plateau which are called as four highlands in China occupy more than one fourth of the territory area. The average altitude of the Qinghai-Tibet plateau reaches 4500 m, which is far more than 3000 m of the altitude of anoxia that the human body can bear. The southwest direction is one of the important strategic directions of China, the middle seal border line is as long as 2000 kilometers, and the struggle of the middle seal border cannot be made breakthrough progress until now for decades. The average altitude of the mid-seal boundary area is more than 4000 meters. The problems of low air pressure and low oxygen content commonly exist in the severe natural environment of the high-altitude areas, and great examination is provided for the fighting capacity of plateau officers and soldiers. In a plateau area with an altitude of 3000-4000 meters, the operation capacity and the learning efficiency of a human body are reduced by more than 20%; if the officers and soldiers in the army enter higher altitude areas, the fighting capacity is further reduced, and the altitude reaction caused by oxygen deficiency becomes a main factor influencing the fighting capacity of the officers and soldiers in the plateau areas.
Oxygen inhalation is the most effective measure for relieving altitude stress, and can effectively improve the oxygen deficiency symptoms of personnel by supplying oxygen with high concentration to officers and soldiers in the altitude oxygen deficiency environment. The prior army vehicle is mainly matched with an oxygen cylinder, a chemical oxygen generator, a molecular sieve oxygen generator and the like. Wherein, the oxygen cylinder stores the oxygen volume limited, can't supply personnel for a long time and use, and the transportation cost of oxygen is high, and the security is low. The chemical oxygen generator relies on chemical reaction to generate oxygen, the use process needs to continuously consume raw materials, the use cost is high, the in-process of generating oxygen has impurity gas to generate, and once the use is improper, the chemical oxygen generator has certain influence on human health. The molecular sieve oxygen generating device has high safety and low use cost due to the physical separation principle, can continuously supply high-concentration oxygen for personnel, is applied to army equipment, and has good application prospect and huge assembly requirements. Through install the molecular sieve oxygen generation device additional on land-mounted vehicle, can effectively reduce or alleviate vehicle passenger's altitude stress, improve army and continue the ability of fighting, for the army better carry out normal training and carry out the condition of fighting task creation. Therefore, the oxygen generator is an effective way to recover and maintain the fighter ability of the land-borne vehicle. Therefore, the research on the vehicle-mounted oxygen generating device is developed, and the vehicle-mounted molecular sieve oxygen generating device meeting the military requirements has very important military significance.
At present, in the process of work and training of officers and soldiers in plateaus, the main way of dealing with oxygen deficiency is to use intermittent oxygen inhalation, and the oxygen supply way is to use a chemical oxygen production method and an oxygen bottle oxygen inhalation, and the methods have high use cost and low safety and are difficult to supply oxygen continuously for a long time, so the methods are not widely used. A small number of vehicles are also provided with molecular sieve oxygen generators, but the existing oxygen generators have the defects of large volume, heavy weight, poor vehicle-mounted vibration impact resistance, low reliability and the like due to small installation space inside the vehicles, and are not widely applied to land-mounted vehicles. How to develop a molecular sieve oxygen generation device which has small volume, light weight and high reliability and meets the requirements of vehicle-mounted installation and use based on a mature pressure swing adsorption oxygen generation technology becomes the technical bottleneck of applying a molecular sieve oxygen generation machine to land-mounted equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a molecular sieve pressure swing adsorption apparatus of oxygen supply that small, light in weight, satisfy on-vehicle installation and use.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize:
a military vehicle-mounted oxygen supply device comprises a box body and a controller arranged in the box body, wherein the box body comprises a frame body consisting of a frame, a bottom plate and two end plates, and the interior of the frame body is divided into an upper space and a lower space which are communicated through a supporting plate; two molecular sieve towers are erected on the supporting plate side by side, and a filter and an oxygen storage tank are erected on the supporting plate between the two molecular sieve towers in sequence; the bottom plate of the box body is fixedly provided with a compressor and a controller, the air outlet end of the filter is communicated with the oxygen storage tank sequentially through the compressor, a radiator, an electromagnetic valve and a molecular sieve tower, a fan is fixedly arranged in a lower space outside the radiator and is just opposite to an end plate of the fan, a fan cover is arranged on the air inlet, a flowmeter is fixedly arranged on the end plate outside the fan cover, and the air inlet end of the flowmeter is communicated with the oxygen storage tank through a pressure reducing valve.
In a further scheme, the electromagnetic valve is fixed on a bottom plate of the box body, and the radiator and the fan are arranged on a supporting plate above the electromagnetic valve side by side
According to a further scheme, an oxygen outlet interface, a nitrogen discharging interface and a power interface are arranged on an end plate positioned at the other end of the fan, and the power interface is electrically connected with the controller; the electromagnetic valve is a two-position four-way electromagnetic valve, an inlet of the electromagnetic valve is communicated with an outlet of the radiator, three outlets of the electromagnetic valve are respectively communicated with the two molecular sieve towers and air inlets of the nitrogen discharge interface, and an air outlet end of the flowmeter is communicated with the oxygen outlet interface.
According to the technical scheme, a power switch is installed on an end plate of the box body, the controller is connected with an external power supply through the power switch, and the output end of the controller is connected with the input ends of the fan, the compressor and the electromagnetic valve respectively.
In a further scheme, the top end of the frame body is detachably connected with an upper panel, and the front side and the rear side of the frame body are detachably connected with a front panel and a rear panel respectively.
In a further scheme, the compressor is fixed on the bottom plate through a rubber shock absorber.
In a further scheme, the pressure reducing valve is installed on an end cover of the oxygen storage tank.
Further, the bottom end of the box body is fixedly connected with a mounting seat, and a fastening bolt is installed at the bottom end of the mounting seat.
The section of the mounting seat is an n-shaped groove, the fastening bolt is mounted in the middle of the n-shaped groove of the mounting seat, the oxygen supply device can be fixed on the mounting auxiliary seat in the vehicle through the fastening bolt, and the requirement of vibration and impact resistance of a product in the driving process of the vehicle is met, so that oxygen can be supplied to a passenger when the vehicle is driven or stopped.
The volume of the box body is 370mm multiplied by 210mm multiplied by 330 mm; the compressor is a direct-current variable-frequency compressor.
The utility model adopts the combination and modular design, the interior of the box body is divided into an upper space and a lower space which are communicated with each other through the supporting plate, and then the molecular sieve tower, the filter and the oxygen storage tank are arranged in the upper space, and the end cover of the oxygen storage tank is integrated with a pressure reducing valve; arranging a compressor, a controller, a fan, a radiator, an electromagnetic valve and the like in a lower space; the flowmeter, the power switch, the oxygen outlet interface, the nitrogen discharging interface, the power interface and the like are arranged on the end plate. Therefore, the gaps among different components are fully utilized, the space is effectively saved, and the volume and the weight of the product are reduced. Therefore, the volume of the final box body is 370mm multiplied by 210mm multiplied by 330mm, and the weight is 17kg, so that the military vehicle can be conveniently installed and used.
This device uses DC26V as operating voltage, can directly use on-vehicle battery power supply to ambient air is the air supply, through on-vehicle apparatus of oxygen supply, can be with the gaseous separation of nitrogen oxygen in the air, and the nitrogen gas discharges the car outward, and the passenger uses in the oxygen supply car, guarantees that 4 cars passenger's oxygen suppliment demand under the 4500 meters oxygen deficiency environment of height above sea level.
The utility model discloses oxygen supply apparatus adopts high-efficient molecular sieve pressure swing adsorption oxygen technology, through the solenoid valve control compressor export pressurized gas get into the molecular sieve tower in, when the gas pressure increase system in the tower 0.16MPa, the molecular sieve in the molecular sieve tower adsorbs nitrogen gas, and oxygen flows out the molecular sieve tower and gets into oxygen storage tank to separation nitrogen oxygen gas, after the molecular sieve adsorbs saturation, the solenoid valve is opened. At this time, the adsorbed nitrogen gas is desorbed, and the nitrogen gas flows out through the nitrogen discharge port. The pressure is changed in a circulating way, so that the adsorption and the analysis of nitrogen are realized, and the pressure swing adsorption oxygen generation is realized. The utility model discloses a molecular sieve tower adopts lithium type molecular sieve, has reduced the quantity of molecular sieve, has improved the rate of recovery of oxygen, realizes high-efficient molecular sieve pressure swing adsorption system oxygen, and its oxygen suppliment flow is greater than 5L/min, and oxygen concentration reaches 93%, can highly use at height above sea level 4500 meters, supplies 4 carriers oxygen uptake simultaneously.
The oxygen supply device is connected with a vehicle through the mounting seat, the internal compressor adopts the rubber shock absorber, and the shock absorption is realized through the self-damping of the shock absorber, so that the oxygen supply device is ensured to meet the shock impact requirement specified by GJB150, the vehicle-mounted installation and use are met, and the condition is created for the installation and use in the vehicle;
the utility model provides a compressor adopts direct current variable frequency compressor, and direct current variable frequency compressor is current product, can purchase in the market. A low-pressure variable frequency air compressor as disclosed in ZL 201020581155.6.
Because the voltage waveform that adds in the motor coil in the direct current frequency conversion compressor is the rectangular wave, utilizes the pulse width and the frequency characteristics of rectangular wave, changes the rectangular wave frequency that adds on the coil under the certain circumstances of load and just can change the motor rotational speed, if under the unchangeable circumstances of the steady rotational speed of needs, the load increases, can change the pulse width (the broadening) of rectangular wave, just can improve exerting oneself of motor: when the load is reduced, the pulse width of the rectangular wave is reduced (width is reduced), and the output force of the motor is reduced. The accessible controller sends frequency conversion command signal according to the environment atmospheric pressure condition in real time, realizes that the compressor is along with the automatic frequency conversion regulation of environment atmospheric pressure to guarantee the displacement and the exhaust pressure of compressor along with the change automatically regulated of altitude, can effectively compensate the system oxygen flow and the oxygen concentration of apparatus of oxygen suppliment and along with the loss that altitude increases, guarantee that the system oxygen performance of apparatus of oxygen suppliment satisfies plateau operation requirement.
The oxygen supply device of the invention has small volume and light weight, can adjust the installation position of the oxygen supply device in the vehicle according to the length and the use requirement of the pipeline, and can be conveniently carried. The movable oxygen supply is realized, oxygen supply is provided for highland combat and training of the officer and soldier, and the oxygen deficiency problem under the highland environment of the officer and soldier is effectively solved.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is an exploded schematic view of figure 1,
FIG. 3 is a schematic view of the internal layout of the box body in the present invention,
fig. 4 is a schematic diagram of the circuit and circuit of the present invention.
Detailed Description
As shown in fig. 1-3, a military vehicle-mounted oxygen supply device comprises a box body 1 and a controller 14 arranged inside the box body 1, wherein the box body 1 comprises a frame body 104 composed of a frame, a bottom plate and two end plates, in order to facilitate vehicle-mounted installation and use, the whole oxygen supply device adopts a box body structure, the frame body 104 adopts an aluminum alloy material, and the frame, the bottom plate and the two end plates are designed in an integrated manner, so that the requirement of vehicle-mounted use strength is ensured.
Further, in order to increase the sealing performance and avoid external interference, the top end of the frame 104 is detachably connected with the upper panel 102, and the front and rear sides of the frame 104 are detachably connected with the front panel 101 and the rear panel 103, respectively. The front panel 101, the upper panel 102 and the rear panel 103 are all made of 1.5mm aluminum plates, are all mounted on the frame body 104 through screws, can be rapidly detached, and are convenient to open for inspection and maintenance of the machine shell.
The controller 14 of the present invention is an existing device in the existing molecular sieve oxygen generator, and the present invention does not relate to the improvement of the structure or function of the present invention.
The controller 14 is a control core of the whole machine, is designed according to military requirements, meets the requirements of military product on environmental adaptability and electromagnetic compatibility, and aims to be used for circuit connection and control of a compressor, a fan and an electromagnetic valve and realize periodic work of the compressor, the fan and the electromagnetic valve.
The inside of the frame body 104 is divided into an upper space and a lower space which are communicated through a supporting plate 105; therefore, layered arrangement of all parts is realized, and the arrangement space is reduced.
Two molecular sieve towers 6 are erected on the supporting plate 105 side by side, and a filter 2 and an oxygen storage tank 7 are sequentially erected on the supporting plate 105 positioned between the two molecular sieve towers 6; the air outlet end of the filter 2 is communicated with the oxygen storage tank 7 sequentially through the compressor 3, the radiator 4, the electromagnetic valve 5 and the molecular sieve tower 6, the fan 15 is fixedly arranged in the lower space outside the radiator 4, an air port is formed in an end plate right facing the fan 15, the air port is provided with a fan cover 16, the end plate outside the fan cover 16 is fixedly provided with a flow meter 9, and the air inlet end of the flow meter 9 is communicated with the oxygen storage tank 7 through a pressure reducing valve 8.
The flowmeter 9 is a float flowmeter, can display and adjust the flow of oxygen supply, and meets the requirements of different people on the flow of oxygen supply under different working conditions. The fan cover 16 can prevent large-particle impurities from entering the oxygen supply device, and the use safety of the product is ensured.
Further, the electromagnetic valve 5 is fixed on the bottom plate of the box body 1, and the radiator 4 and the fan 15 are arranged side by side on a support plate 105 positioned above the electromagnetic valve 5.
In a further scheme, an end plate positioned at the other end of the fan 15 is provided with an oxygen outlet interface 10, a nitrogen discharging interface 11 and a power supply interface 12, wherein the power supply interface 12 is electrically connected with a controller 14; the electromagnetic valve 5 is a two-position four-way electromagnetic valve, an inlet of the electromagnetic valve is communicated with an outlet of the radiator 4, three outlets of the electromagnetic valve are respectively communicated with the two molecular sieve towers 6 and air inlets of the nitrogen discharge interface 11, and an air outlet end of the flowmeter 9 is communicated with the oxygen outlet interface 10. The oxygen outlet interface 10 and the nitrogen discharging interface 11 both adopt quick plugs, the oxygen supply pipe and the nitrogen discharging pipe can be quickly plugged and pulled out, and the power supply interface 12 adopts an electric connector structure form, so that an input power supply cable is conveniently connected.
Further, a power switch 13 is installed on an end plate of the box body 1, the controller 14 is connected with an external power supply through the power switch 13, and an output end of the controller 14 is connected with input ends of the fan 15, the compressor 3 and the electromagnetic valve 5 respectively.
The power switch 13 is a metal button switch with an indicator light, and can display the working state of the oxygen supply device while controlling the oxygen supply device to be turned on and off.
In a further scheme, the compressor 3 is fixed on the bottom plate through the rubber shock absorber, so that the impact and vibration on the compressor are reduced, and the noise generated by resonance when the compressor works is reduced.
Further, the pressure reducing valve 8 is installed on the end cover of the oxygen storage tank 7.
Further, the bottom end of the box body is fixedly connected with a mounting seat 17, and a fastening bolt is installed at the bottom end of the mounting seat 17. The oxygen supply device has small volume and light weight, so the position of the oxygen supply device in the vehicle can be adjusted according to the length and the use requirement of the pipeline, and the oxygen supply device can be conveniently carried. In addition, the mounting seat 17 is made of rubber, has a vibration damping effect, and meets the requirement of the product on vibration and impact resistance in the driving process of the vehicle.
The volume of the box body 1 is 370mm multiplied by 210mm multiplied by 330 mm. The device is small in size and convenient for vehicle installation.
Through the design, each part of the oxygen supply device is highly integrated and modularized and is integrally designed, the product is small in size, light in weight and high in oxygen generation efficiency, the vehicle-mounted use requirement is met, and the whole machine has good manufacturability. By adopting a physical separation mode, high-concentration oxygen is prepared, and the problem of oxygen deficiency in training and fighting of military officers and soldiers in a plateau environment can be effectively solved. The high-efficiency molecular sieve oxygen production technology is adopted, the recovery rate of oxygen is improved, and the possibility is provided for the miniaturization of an oxygen supply device.
The utility model discloses military vehicle-mounted oxygen suppliment device contains gas circuit system and circuit system, connects through pipeline or cable between each part. Wherein the filter 2, the compressor 3, the radiator 4, the electromagnetic valve 5, the molecular sieve tower 6, the oxygen storage tank 7, the pressure reducing valve 8, the flowmeter 9, the oxygen outlet interface 10 and the nitrogen discharging interface 11 are connected through PU pipelines, so that the work of each part of gas circuit system is realized. The power interface 12, the power switch 13, the controller 14, the compressor 3, the electromagnetic valve 5 and the fan 15 are connected through cables, so that the circuit systems of all the components can work.
The utility model discloses military vehicle-mounted oxygen suppliment device's work flow is as shown in figure 4:
the utility model discloses the apparatus of oxygen supply passes through power source 12 and is connected and output power with on-vehicle battery DC26, opens switch 13, 14 circular telegram work of controller, simultaneous control compressor 3, solenoid valve 5, the work of fan 15. This apparatus for oxygen supply adopts ambient air as the air supply, and the air gets into compressor 3 after 2 purifications of filter, through the cooling of radiator 4 after 3 pressurizations of compressor, and the inside and outside air flow of box 1 is accelerateed in 15 work of fan to impel radiator 4 heat dissipation. Then the nitrogen gas enters two molecular sieve towers 6 under the control of the electromagnetic valve 5, the molecular sieve towers 6 are in interactive connection with the electromagnetic valve 5 (the working principle of the two-position four-way electromagnetic valve is known, and not described herein), the nitrogen gas and the oxygen gas are separated through the separation effect of the molecular sieve towers, and the nitrogen gas flows out from the nitrogen discharge interface 11 through the electromagnetic valve 5. And finally, the oxygen is discharged out of the vehicle through a pipeline, high-concentration oxygen enters the oxygen storage tank 7, is regulated through the pressure reducing valve 8 and the flowmeter 9, and then flows out of the oxygen outlet port 10 for a vehicle passenger to inhale, so that the oxygen absorption requirement of the vehicle-mounted personnel in an oxygen-deficient environment is met.
In the present invention, "fixedly mounted", "fixedly connected" and "mounted" refer to two parts connected to each other and are fixed together, generally by welding, screws or gluing; "erecting" means directly placing or fixedly connecting; "movably mounted" means that two parts are connected together and can move relative to each other; "detachably connected" generally means connected by screws, either detachable or attachable at any time.
Claims (9)
1. The utility model provides a military vehicle-mounted oxygen supply device, includes box (1) and locates inside controller (14) of box (1), its characterized in that: the box body (1) comprises a frame body (104) consisting of a frame, a bottom plate and two end plates, wherein the inside of the frame body (104) is divided into an upper space and a lower space which are communicated through a supporting plate (105); two molecular sieve towers (6) are erected on the supporting plate (105) side by side, and a filter (2) and an oxygen storage tank (7) are erected on the supporting plate (105) between the two molecular sieve towers (6) in sequence; the air outlet end of the filter (2) is communicated with the oxygen storage tank (7) through the compressor (3), the radiator (4), the electromagnetic valve (5), the molecular sieve tower (6) in sequence, the fan (15) is fixedly arranged in a lower space on the outer side of the radiator (4), an air port is formed in an end plate of the fan (15) and is just opposite to the air port, the fan cover (16) is installed on the air port, the flow meter (9) is fixedly installed on the end plate on the outer side of the fan cover (16), and the air inlet end of the flow meter (9) is communicated with the oxygen storage tank (7) through the pressure reducing valve (8).
2. The military vehicle-mounted oxygen supply device of claim 1, wherein: the electromagnetic valve (5) is fixed on a bottom plate of the box body (1), and the radiator (4) and the fan (15) are arranged on a supporting plate (105) above the electromagnetic valve (5) side by side.
3. The military vehicle-mounted oxygen supply device of claim 2, wherein: an oxygen outlet interface (10), a nitrogen discharging interface (11) and a power supply interface (12) are arranged on an end plate positioned at the other end of the fan (15), and the power supply interface (12) is electrically connected with a controller (14); the electromagnetic valve (5) is a two-position four-way electromagnetic valve, an inlet of the electromagnetic valve is communicated with an outlet of the radiator (4), three outlets of the electromagnetic valve are respectively communicated with the two molecular sieve towers (6) and air inlets of the nitrogen discharge connector (11), and an air outlet end of the flowmeter (9) is communicated with the oxygen outlet connector (10).
4. The military vehicle-mounted oxygen supply device of claim 2, wherein: install switch (13) on the end plate of box (1), controller (14) are connected with external power supply through switch (13), and the output of controller (14) is connected with the input of fan (15), compressor (3), solenoid valve (5) respectively.
5. The military vehicle-mounted oxygen supply device of claim 1, wherein: the top end of the frame body (104) is detachably connected with an upper panel (102), and the front side and the rear side of the frame body (104) are respectively detachably connected with a front panel (101) and a rear panel (103).
6. The military vehicle-mounted oxygen supply device of claim 1, wherein: the compressor (3) is fixed on the bottom plate through a rubber shock absorber.
7. The military vehicle-mounted oxygen supply device of claim 1, wherein: the pressure reducing valve (8) is arranged on an end cover of the oxygen storage tank (7).
8. The military vehicle-mounted oxygen supply device of claim 1, wherein: the bottom end of the box body (1) is fixedly connected with a mounting seat (17), and a fastening bolt is installed at the bottom end of the mounting seat (17).
9. The military vehicle-mounted oxygen supply device of claim 1, wherein: the volume of the box body (1) is 370mm multiplied by 210mm multiplied by 330 mm; the compressor (3) is a direct-current variable-frequency compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921386442.9U CN210591315U (en) | 2019-08-23 | 2019-08-23 | Military vehicle-mounted oxygen supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921386442.9U CN210591315U (en) | 2019-08-23 | 2019-08-23 | Military vehicle-mounted oxygen supply device |
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| CN210591315U true CN210591315U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430073A (en) * | 2022-08-26 | 2022-12-06 | 中国舰船研究设计中心 | Breathing oxygen supply device for sealed cabin |
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2019
- 2019-08-23 CN CN201921386442.9U patent/CN210591315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430073A (en) * | 2022-08-26 | 2022-12-06 | 中国舰船研究设计中心 | Breathing oxygen supply device for sealed cabin |
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