Plateau low-pressure low-oxygen environment simulation facility

Abstract

The utility model discloses a plateau low-pressure low-oxygen environment simulation facility, which relates to the technical field of environment simulation and comprises a simulation cabin, the bottom of an inner cavity of the simulation cabin is fixedly connected with a mounting table, a liquid cavity is arranged in the simulation cabin, and the top of the simulation cabin is fixedly connected with a second joint. One side of the simulation cabin is fixedly connected with a first connector, one end of the second connector and one end of the first connector extend into the simulation cabin, the top of the simulation cabin is fixedly connected with a fresh air connector, and the top of the simulation cabin is fixedly connected with a pressure regulating connector located on one side of the fresh air connector; one end of the fresh air connector and one end of the pressure adjusting connector both extend into the simulation cabin, one side of the simulation cabin is fixedly connected with a fixing frame, and the plateau low-pressure low-oxygen environment simulation facility is provided with the snowmaker, the collecting cover and the conveying box, so that dust and snowy weather can be simulated when an automobile is subjected to a plateau environment test.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental simulation technical field, concretely is plateau low pressure low oxygen environment simulation facility. BACKGROUND

[0002] With the development of science and technology and the improvement of detection standard, for example, automobile, only need to do reliability detection experiment to key spare part in the past, but the actual automobile enters the plateau zone after oxygen deficiency, causes the insufficient combustion, influences the engine power, and the test of whole vehicle system control is very big, and only whole vehicle integral test can be really close to actual plateau use environment, so the demand of the plateau low pressure low oxygen environment simulation facility containing whole vehicle arises at the historic moment. According to the large-scale plateau environment simulation system of application number CN212646420U, it has reduced the manufacturing cost of plateau environment bin, and can reduce the load of cooling and heating, shorten the test cycle, improve the efficiency and save energy. However, under the condition of dust and snowfall in the plateau environment, the influence on the performance of the whole vehicle is also large, but the device does not set the structure for simulating dust and snowfall conditions, so that the simulation of related conditions cannot be carried out, and the comprehensiveness of the whole vehicle test is poor. CONTENT OF UTILITY MODEL

[0003] In view of the deficiency of prior art, the utility model provides plateau low pressure low oxygen environment simulation facility, solves the problem raised in the above background art.

[0004] In order to achieve the above object, the utility model is realized by the following technical scheme: plateau low pressure low oxygen environment simulation facility, including simulation cabin, the bottom of the inner chamber of simulation cabin is fixedly connected with installation table, the inside of simulation cabin is provided with liquid cavity, the top of simulation cabin is fixedly connected with second connector, one side of simulation cabin is fixedly connected with first connector, the second connector and the one end of first connector all extend to the inside of simulation cabin, the top of simulation cabin is fixedly connected with fresh air connector, one side of fresh air connector at the top of simulation cabin is fixedly connected with pressure regulating connector, the one end of fresh air connector and pressure regulating connector all extends to the inside of simulation cabin, one side of simulation cabin is fixedly connected with fixing frame, the top of fixing frame is fixedly connected with working box, the inside of working box is fixedly connected with snow making machine, one end of snow making machine is fixedly connected with collection cover, one side of working box is fixedly connected with conveying box, one end of collection cover extends to the inside of conveying box, one side of conveying box is fixedly connected with gas pipe, one end of gas pipe extends to the outside of working box, the inner chamber of simulation cabin is fixedly connected with air passage, the inner side of air passage is all fixedly connected with a plurality of spray heads, the spray head all is connected with the inside of air passage, one side of air passage is fixedly connected with connecting pipe, one end of connecting pipe extends to the inside of conveying box, the other end of connecting pipe extends to the inside of air passage.

[0005] Preferably, the top of the working box is fixedly connected with a stand column, the bottom of the inner cavity of the stand column is fixedly connected with a pressure sensor, the inside of the stand column and above the pressure sensor are placed with a pressing block, the top of the pressing block extends to the upper side of the stand column, and the two pressing blocks are fixedly connected with a storage cylinder.

[0006] Preferably, the inside of the storage cylinder is rotatably connected with a dispersing rod, the top of the storage cylinder is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with the top of the dispersing rod.

[0007] Preferably, the top of the storage cylinder is fixedly connected with a feeding valve, and one end of the feeding valve extends to the inside of the storage cylinder.

[0008] Preferably, the bottom of the storage cylinder is fixedly connected with an on-off valve, the bottom of the on-off valve is fixedly connected with a hose, and the bottom end of the hose is inserted into the inside of the conveying box.

[0009] Preferably, one side of the simulation cabin is provided with a controller.

[0010] The plateau low-pressure low-oxygen environment simulation facility has the following beneficial effects:

[0011] 1. The plateau low-pressure low-oxygen environment simulation facility, through the setting of the snow maker, the collecting cover and the conveying box, the output end of the servo motor drives the dispersing rod to rotate, disperses the dust simulation material in the storage cylinder, then enters into the inside of the conveying box through the opened on-off valve and the hose, the external air source inputs the gas into the inside of the gas conveying pipe, the gas is input into the inside of the conveying box through the gas conveying pipe, then the dust simulation material in the conveying box is carried into the inside of the gas channel by the gas, then enters into the inside of the spray head through the gas channel, then is sprayed out through the spray head, the dust environment is simulated, the snow maker can also be started to make snow, the snow is carried into the inside of the conveying box through the collecting cover by the gas, then the external air source inputs the gas into the inside of the gas conveying pipe, the gas is input into the inside of the conveying box through the gas conveying pipe, then the snow in the conveying box is carried into the inside of the gas channel by the gas, then is sprayed into the inside of the simulation cabin through the spray head, the snow weather is simulated, and the dust environment and the snow weather can be simulated when the automobile is tested in the plateau environment.

[0012] 2. The plateau low-pressure low-oxygen environment simulation facility, through the setting of the storage cylinder, the feeding valve and the pressure sensor, when the facility is used, the weight of the storage cylinder is obtained by detecting the gravity of the pressing block applied to the pressure sensor through the pressure sensor, when the weight of the dust simulation material in the storage cylinder reaches the early warning value, the controller sends an alarm to the worker, prompts the worker to supplement the dust simulation material in the storage cylinder in time, and ensures that the facility can simulate the dust environment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1It is the internal structure schematic view of the utility model;

[0014] Fig. 2 It is the internal structure schematic view of the utility model storage cylinder;

[0015] Fig. 3 It is the internal structure schematic view of the utility model stand.

[0016] In the drawing: 1, simulation cabin;2, installation platform;3, fixed frame;4, work box;5, snow making machine;6, collection cover;7, first joint;8, liquid cavity;9, second joint;10, fresh air joint;11, pressure regulating joint;12, storage cylinder;13, dispersion rod;14, servo motor;15, feeding valve;16, conveying box;17, on-off valve;18, hose;19, gas conveying pipe;20, connecting pipe;21, air passage;22, spray head;23, stand;24, pressure sensor;25, briquetting. Specific implementation

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] Embodiment one

[0019] Please refer to Figs. 1 to 3 The utility model provides a technical scheme: plateau low pressure low oxygen environment simulation facility, including simulation cabin 1, the bottom fixed connection of simulation cabin 1 inner chamber has installation platform 2, the inside of simulation cabin 1 is provided with liquid cavity 8, the top fixed connection of simulation cabin 1 has second joint 9, the side fixed connection of simulation cabin 1 has first joint 7, and the one end of second joint 9 and first joint 7 all extends to the inside of simulation cabin 1, the top fixed connection of simulation cabin 1 has fresh air joint 10, and the top fixed connection of simulation cabin 1 and located fresh air joint 10 one side has pressure regulating joint 11, and the one end of fresh air joint 10 and pressure regulating joint 11 all extends to simulation cabin 1 inside, and the side fixed connection of simulation cabin 1 has fixed frame 3, and the top fixed connection of fixed frame 3 has work box 4, and the inside fixed connection of work box 4 has snow making machine 5, and one end fixed connection of snow making machine 5 has collection cover 6, and the side fixed connection of work box 4 has conveying box 16, and one end of collection cover 6 extends to conveying box 16 inside, and the side fixed connection of conveying box 16 has gas conveying pipe 19, and the one end of gas conveying pipe 19 extends to the outside of work box 4, and the inner chamber fixed connection of simulation cabin 1 has air passage 21, and the inner side fixed connection of air passage 21 has several spray heads 22, and spray head 22 all with air passage 21 inside are connected, and the side fixed connection of air passage 21 has connecting pipe 20, and the one end of connecting pipe 20 extends to conveying box 16 inside, and the other end of connecting pipe 20 extends to air passage 21 inside.

[0020] The top of the working box 4 is fixedly connected with a stand column 23 with the top of the simulation cabin 1, the bottom of the inner cavity of the stand column 23 is fixedly connected with a pressure sensor 24, the inside of the stand column 23 and above the pressure sensor 24 are placed with a pressing block 25, the top of the pressing block 25 extends to the top of the stand column 23, two pressing blocks 25 are fixedly connected with a storage cylinder 12, the storage cylinder 12 applies gravity to the pressure sensor 24 through the pressing block 25, so that the weight of the dust simulation material in the storage cylinder 12 is detected through the pressure sensor 24, so as to timely remind the worker to supplement the dust simulation material in the storage cylinder 12.

[0021] The inside of the storage cylinder 12 is rotatably connected with a dispersing rod 13, the top of the storage cylinder 12 is fixedly connected with a servo motor 14, the output end of the servo motor 14 is fixedly connected with the top of the dispersing rod 13, the dispersing rod 13 can be driven to rotate through the output end of the servo motor 14, and the dust simulation material in the storage cylinder 12 is dispersed through the rotating dispersing rod 13.

[0022] The top of the storage cylinder 12 is fixedly connected with a feeding valve 15, one end of the feeding valve 15 extends to the inside of the storage cylinder 12, and the dust simulation material can be supplemented into the inside of the storage cylinder 12 through the feeding valve 15.

[0023] The bottom of the storage cylinder 12 is fixedly connected with an on-off valve 17, the bottom of the on-off valve 17 is fixedly connected with a hose 18, the bottom end of the hose 18 is inserted into the inside of the conveying box 16, and the dust simulation material can be input into the inside of the conveying box 16.

[0024] Embodiment two

[0025] The utility model provides a technical scheme: one side of simulation cabin 1 is provided with controller, in order to control this facility.

[0026] In summary, when the plateau low-pressure and low-oxygen environment simulation facility is used, liquid is input into the liquid cavity 8 through the second joint 9, the liquid in the liquid cavity 8 is pumped out and discharged into an external temperature adjusting device for temperature adjustment through the first joint 7, thereby adjusting the temperature inside the simulation cabin 1, the air pressure inside the simulation cabin 1 is adjusted through the pressure regulating joint 11, and the oxygen content inside the simulation cabin 1 is adjusted through the fresh air joint 10. The fresh air joint 10 is connected with a pressure regulating device, and the pressure regulating joint 11 is connected with an oxygen supply adjusting device. The functions of temperature adjustment, pressure adjustment, and oxygen content adjustment are all based on existing devices. When a dust simulation environment with a large amount of dust is needed, the output end of the servo motor 14 drives the dispersion rod 13 to rotate, disperses the dust simulation material in the storage cylinder 12, and then enters the inside of the conveying box 16 through the open switch valve 17 and the hose 18. An external gas source inputs gas into the inside of the gas conveying pipe 19, the gas is input into the inside of the conveying box 16 through the gas conveying pipe 19, and then the gas carrying the dust simulation material in the conveying box 16 enters the inside of the air duct 21, and then enters the inside of the spray head 22 through the air duct 21, and then is sprayed out through the spray head 22, thereby simulating a dust environment. The snow making machine 5 can also be started to make snow, the gas carrying the snow enters the inside of the conveying box 16 through the collecting cover 6, then an external gas source inputs gas into the inside of the gas conveying pipe 19, the gas is input into the inside of the conveying box 16 through the gas conveying pipe 19, and then the gas carrying the snow in the conveying box 16 enters the inside of the air duct 21, and then is sprayed into the inside of the simulation cabin 1 through the spray head 22, thereby simulating a snowy weather. The weight of the storage cylinder 12 is obtained by detecting the gravity of the pressure block 25 applied to the pressure sensor 24 through the pressure sensor 24, when the weight of the dust simulation material in the storage cylinder 12 reaches a warning value, the controller sends an alarm to the worker, prompting the worker to supplement the dust simulation material in the storage cylinder 12, then the charging valve 15 is closed, and the dust simulation material is stored in the storage cylinder 12.

[0027] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-altitude low-pressure and low-oxygen environment simulation facility, comprising a simulation cabin (1), characterized in that: The bottom of the inner cavity of the simulation cabin (1) is fixedly connected to a mounting platform (2), a liquid cavity (8) is provided inside the simulation cabin (1), a second joint (9) is fixedly connected to the top of the simulation cabin (1), a first joint (7) is fixedly connected to one side of the simulation cabin (1), one end of the second joint (9) and the first joint (7) both extend into the interior of the simulation cabin (1), a fresh air joint (10) is fixedly connected to the top of the simulation cabin (1), a pressure regulating joint (11) is fixedly connected to the top of the simulation cabin (1) and located on one side of the fresh air joint (10), one end of the fresh air joint (10) and the pressure regulating joint (11) both extend into the interior of the simulation cabin (1), a fixing frame (3) is fixedly connected to one side of the simulation cabin (1), a working box (4) is fixedly connected to the top of the fixing frame (3), and the working box (4) A snowmaking machine (5) is fixedly connected inside, one end of the snowmaking machine (5) is fixedly connected to a collection cover (6), one side of the working box (4) is fixedly connected to a conveying box (16), one end of the collection cover (6) extends to the inside of the conveying box (16), one side of the conveying box (16) is fixedly connected to an air supply pipe (19), one end of the air supply pipe (19) extends to the outside of the working box (4), the inner cavity of the simulation cabin (1) is fixedly connected to an airway (21), the inner side of the airway (21) is fixedly connected to a plurality of nozzles (22), the nozzles (22) are all connected to the inside of the airway (21), one side of the airway (21) is fixedly connected to a connecting pipe (20), one end of the connecting pipe (20) extends to the inside of the conveying box (16), and the other end of the connecting pipe (20) extends to the inside of the airway (21).

2. The high-altitude low-pressure and low-oxygen environment simulation facility according to claim 1, characterized in that: The top of the working box (4) and the top of the simulation cabin (1) are fixedly connected with a column (23), the bottom of the inner cavity of the column (23) is fixedly connected with a pressure sensor (24), and a pressure block (25) is placed inside the column (23) and above the pressure sensor (24), the top of the pressure block (25) extends to the top of the column (23), and a storage cylinder (12) is fixedly connected between the two pressure blocks (25).

3. The high-altitude low-pressure and low-oxygen environment simulation facility according to claim 2, characterized in that: The storage cylinder (12) is rotatably connected to a dispersion rod (13), the top of the storage cylinder (12) is fixedly connected to a servo motor (14), and the output end of the servo motor (14) is fixedly connected to the top end of the dispersion rod (13).

4. The high-altitude low-pressure and low-oxygen environment simulation facility according to claim 2, characterized in that: A feeding valve (15) is fixedly connected to the top of the storage cylinder (12), and one end of the feeding valve (15) extends into the interior of the storage cylinder (12).

5. The high-altitude low-pressure and low-oxygen environment simulation facility according to claim 2, characterized in that: The bottom of the storage cylinder (12) is fixedly connected to a switch valve (17), the bottom of the switch valve (17) is fixedly connected to a hose (18), and the bottom end of the hose (18) is inserted into the interior of the delivery box (16).

6. The high-altitude low-pressure and low-oxygen environment simulation facility according to claim 2, characterized in that: A controller is provided on one side of the simulation cabin (1).

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