CN212690296U

CN212690296U - Modularized four-station equipment air conditioning module

Info

Publication number: CN212690296U
Application number: CN202021334057.2U
Authority: CN
Inventors: 钱程; 李烜; 江志磊; 白筠; 张新渝; 梁志军; 唐虎
Original assignee: Equipment Repairing Factory Chengdu Aviation Station No4 Air Force
Current assignee: Equipment Repairing Factory Chengdu Aviation Station No4 Air Force
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-12
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a four station equipment air conditioning modules of modularization, including the cabin body, be provided with air pipe way system and electrical system on the cabin body, the air compressor machine passes through check valve DX1 and is connected with the clarifier, the clarifier is connected with check valve DX4, check valve DX4 has three-way ball valve SQF1 and governing valve JY1 in parallel, three-way ball valve SQF1 is connected with charging port J1, governing valve JY1 has governing valve JY2 and governing valve JY3 in parallel, governing valve JY2 has charging port J2 and check valve DX2 in parallel through valve QF2, check valve DX2 connects charging port J1, governing valve JY3 has charging port J3 and check valve DX3 in parallel through valve QF3, check valve DX3 connects charging port J1, be connected with the gas holder DX1 between check valve SQF 4 and the three-way ball valve SQF 1. Through high pressure to low pressure convection current filling mode, carry out the air feed of different pressure to the demand point, satisfy the filling of different air conditioning pressure specifications.

Description

Modularized four-station equipment air conditioning module

Technical Field

The utility model relates to an air conditioning fills dress technical field, and specifically speaking relates to four stations of modularization are equipped air conditioning module.

Background

The air conditioning device is mainly used for ground air conditioning protection of military aircrafts in active service or in-development of various military aircrafts, such as bombing-7, bombing-8, bombing-7, strong-5, bombing-6K, rice-8, bombing-6 unmanned planes, bombing oil-6, teaching-8, Yier-76, and Jian-20, and the like, is also suitable for various aviation soldier stations, can be used as base station chemical protection equipment, and can also be used as base station chemical protection equipment.

Chinese patent publication No.: CN202901821U discloses a three-stage pressurizing and inflating device, which comprises a big gas bottle (2) storing compressed air, a compressed air filling pump (3) and a steel bottle (5) to be inflated, the big gas bottle (2) is connected with a compressed air filling pump (3) through a pipeline, and also comprises an air compressor (1) and a secondary booster pump (4), the air compressor (1) is connected with the atmosphere bottle (2) through a pipeline, the compressed air filling pump (3) is connected with the secondary booster pump (4) through a pipeline, the secondary booster pump (4) is connected with the steel cylinder (5) through a pipeline, valves are arranged on the pipeline between the air compressor (1) and the atmosphere cylinder (2), the pipeline between the atmosphere cylinder (2) and the compressed air filling pump (3), the pipeline between the compressed air filling pump (3) and the secondary booster pump (4) and the pipeline between the secondary booster pump (4) and the steel cylinder (5).

The above patent can improve the inflation efficiency and reduce the cost through the three-stage pressurization inflator, but the aircraft maintenance is that the configuration requirement of the cold air is very high, and when the cold air with different stage pressures is needed, the required cold air pressure cannot be adjusted, so the equipment capable of filling the corresponding cold air pressure specification is needed.

Disclosure of Invention

An object of the utility model is to solve the above-mentioned problem that exists among the prior art, provide a four stations of modularization equipment air conditioning module, fill the mode through high pressure to low pressure convection current, carry out the air feed of different pressure to the demand point, satisfy filling of different air conditioning pressure specifications.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

The modularized four-station equipment air conditioning module comprises a cabin body, wherein an air pipeline system and an electric control system are arranged on the cabin body;

the air pipeline system comprises an air compressor and a purifier, wherein an air outlet of the air compressor is connected with an air inlet of the purifier through a check valve DX1, an air outlet of the purifier is connected with a check valve DX4, the check valve DX4 is connected with a three-way ball valve SQF1 and a regulating valve JY1 in parallel, the three-way ball valve SQF1 is connected with an inflation port J1, the regulating valve JY1 is connected with a regulating valve JY2 and a regulating valve JY3 in parallel, the regulating valve JY2 is connected with an inflation port J2 and a check valve DX2 in parallel through a valve QF2, the check valve DX2 is connected with an inflation port J1, the regulating valve JY3 is connected with an inflation port J3 and a check valve DX3 in parallel through a valve QF3, the check valve DX3 is connected with an inflation port J1, an air outlet of the purifier is connected with a dew point port through a valve QF1, and the check valve SQ3672 is connected with a plurality of air;

the electric control system comprises a PLC, a display controller, a dew point sensor, a pressure sensor, a temperature sensor, a heating fan and a cooling fan.

The PLC controller is respectively connected with the air compressor, the dew point sensor, the pressure sensor, the temperature sensor for detection, the display controller, the heating fan and the cooling fan through signal lines, and the dew point sensor, the pressure sensor and the temperature sensor for detection are installed on a dew point opening.

The outer surface of the air storage tank is covered with a glass fiber layer.

And a ball valve is arranged at the dew point.

The beneficial effect of this application is.

1. 45MPa high-pressure cold is stored in advance through a plurality of gas storage tanks, the adjusting valves JY1, JY2 and JY3 are controlled to adjust the gas pressure sections according to the filling pressures of different requirements, the high-pressure to low-pressure convection filling mode is adopted, the gas supply of different pressures is carried out on demand points, and the filling of different cold air pressure specifications is met.

2. The ball valve ensures that moist air can not enter the dew point sensor detection cavity after the machine is stopped, and the time for the air compressor outlet gas to reach the dew point value through the drying and purifying device is about 10min, so that the time for obtaining the gas meeting the quality requirement is greatly shortened.

3. The glass fiber layer plays a role in scratch and abrasion prevention and has a function of bearing limited load, and in the design of a positive model machine, in order to better improve the reliability and safety of the wound gas cylinder, the wound gas cylinder is prevented from being damaged in the transportation and use processes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a pipeline connection diagram of the gas pipeline system of the utility model.

The reference numbers in the figures are: 1. the air purifier comprises a cabin body, 2, an air compressor, 3, a purifier, 4, an air storage tank, 5 and a dew point opening.

Detailed Description

Example 1

As shown in fig. 1 to 2, the modularized four-station equipment air conditioning module comprises a cabin 1, wherein an air pipeline system and an electric control system are arranged on the cabin 1;

the air pipeline system comprises an air compressor 2 and a purifier 3, an air outlet of the air compressor 2 is connected with an air inlet of the purifier 3 through a one-way valve DX1, an air outlet of the purifier 3 is connected with a one-way valve DX4, the one-way valve DX4 is connected with a three-way ball valve SQF1 and a regulating valve JY1 in parallel, the three-way ball valve SQF1 is connected with an inflation port J1, the regulating valve JY1 is connected with a regulating valve JY2 and a regulating valve JY3 in parallel, the regulating valve JY2 is connected with an inflation port J2 and a one-way valve 686DX 9 in parallel through a valve QF2, the one-way valve DX2 is connected with an inflation port J1, the regulating valve JY3 is connected with an inflation port J3 and a one-way valve DX3 in parallel through a valve QF3, the one-way valve DX3 is connected with an inflation port J1, an air outlet of the purifier 3 is connected with a dew point valve SQF 365 through a gas storage tank QF 36;

Air enters a first-stage cylinder through a filter of an air compressor 2, the air is sequentially subjected to the working cycle of air suction, compression, exhaust and expansion of a fifth-stage cylinder, the air is pressurized and conveyed to a high-pressure region (45 MPa) from a low-pressure region step by step, the compressed air enters a liquid-gas separator of each stage after being cooled by a cooler of each stage, condensed water in the air compressor 2 is discharged at regular time, gas discharged by the fifth-stage separator is conveyed to a purifier 3 through a check valve DX1, the gas passes through a pre-oil removal filter of two stages in the purifier 3 to remove oil stains in the gas, then the water in the gas is adsorbed by a molecular sieve in a drying tower, impurities in the gas are filtered by a post-filter of two stages, and high-quality gas meeting index.

For example, when the air needs to be filled with 45MPa high-pressure cold air, the regulating valve JY2, the valve QF1 and the valve QF4 are closed, the three-way ball valve SQF1 is opened to the inflation position, and the inflation inlet J1 provides 45MPa high-pressure cold air.

For example, when 10MPa high-pressure cold air needs to be filled externally, the three-way ball valve SQF1, the adjusting valve JY1 and the valve QF4 are closed, the valve QF1 is opened, 45MPa output by the purifier 3 is filled in the air storage tank 4, the valve QF1 is closed, the air compressor 2 stops working, when 10MPa high-pressure cold air is needed, the adjusting valve JY1, the adjusting valve JY2, the adjusting valve JY3, the valve QF2 and the valve QF3 are opened, 45MPa gas in the air storage tank 4 is decompressed to 35MPa through the adjusting valve JY1, 35MPa gas is decompressed to 10MPa through the two parallel adjusting valves JY2 and the adjusting valve JY3, and gas passing through the adjusting valve JY2 is output through the charging port J2 and can also be output from the charging port; the gas passing through the regulating valve JY32 is output through the charging port J3, and can also be output from the charging port J1 through the check valve DX3, so that the purpose of charging 10MPa high-pressure cold air is achieved, 0-45MPa cold air can be provided through the regulating valve JY1, the regulating valve JY2 and the regulating valve JY3, and DL1, DL2, DL3, DL4 and DL5 are filters in the figure.

The PLC controller is connected with the air compressor 2, the dew point sensor, the pressure sensor, the temperature sensor for detection, the display controller, the heating fan and the cooling fan through signal lines respectively, and the dew point sensor, the pressure sensor and the temperature sensor for detection are installed on a dew point opening 5.

The outer surface of the gas storage tank 4 is covered with a glass fiber layer.

And a ball valve is arranged at the dew point port 5.

45MPa high-pressure cold is stored in advance through a plurality of gas storage tanks, the adjusting valves JY1, JY2 and JY3 are controlled to adjust the gas pressure sections according to the filling pressures of different requirements, the high-pressure to low-pressure convection filling mode is adopted, the gas supply of different pressures is carried out on demand points, and the filling of different cold air pressure specifications is met.

The ball valve ensures that moist air can not enter the dew point sensor detection cavity after the machine is stopped, and the time for the air compressor outlet gas to reach the dew point value through the drying and purifying device is about 10min, so that the time for obtaining the gas meeting the quality requirement is greatly shortened.

The glass fiber layer protects against abrasion and at the same time has the function of carrying a limited load. In the design of the sample correcting machine, in order to better improve the reliability and the safety of the wound gas cylinder and prevent the wound gas cylinder from being damaged in the transportation and use processes.

After the filling is finished, the valve QF1 is closed, the emptying valve of the three-way ball valve SQF1 is opened, and the gas in the pipeline is discharged.

A button on the display controller gives a starting instruction, a motor starting signal in the air compressor 2 is output through the PLC, a frequency converter is controlled through a relay to start a motor, and the motor drives the air compressor 2 to operate; when the air compressor is stopped, a stop instruction is given through a key on the display controller, a motor stop signal is output through the PLC, the frequency converter is controlled to stop outputting through the relay, and the air compressor 2 stops running.

Writing the logic relation of the purifier 3 into a PLC controller, automatically controlling four electric high-pressure ball valves by the PLC controller, switching the working states of two drying towers to complete the drying and purifying functions of high-pressure input gas, and simultaneously outputting a sewage discharge signal at regular time by the PLC controller to control the electric ball valves to discharge sewage; and the PLC starts and stops the temperature of the heater control system gas according to the temperatures of the heater outlet and the heater cylinder.

When electric leakage and overcurrent occur, the protection switch automatically cuts off the power supply of the main circuit; when the exhaust pressure exceeds the standard, the exhaust temperature exceeds the standard and the oil pressure is low, the output electric signal is sent to the PLC controller, the PLC controller processes and outputs a motor stop signal, the air compressor 2 stops running, and meanwhile, the display controller displays an alarm prompt.

When the temperature sensor detects that the temperature in the electric cabinet is lower than 0 ℃, the PLC automatically starts the heating fan to blow out hot air to circularly heat air in the electric cabinet, and when the temperature reaches 15 ℃, the heating fan automatically stops working; when the temperature sensor detects that the temperature in the electric cabinet is higher than 30 ℃, the PLC automatically starts the heat dissipation fan to discharge hot air in the electric cabinet, and when the temperature is reduced to 20 ℃, the heat dissipation fan automatically stops working to enable all components in the electric cabinet to be at a temperature suitable for working.

After the dew point sensor, the pressure sensor and the temperature sensor detect the gas dew point, the pressure and the temperature at the dew point opening 5, 4-20mA current signals are converted into standard data to be sent to the PLC, and the standard data are processed by the PLC and displayed in real time by the display controller.

Under the influence of high humidity weather, under the condition that the air compressor 2 is started for the first time in alternate days, the normal pressure dew point of outlet gas can reach the index value within a long time (more than 30 min), and under the condition of fine weather, the reaching time of the dew point can be shortened (reaching within 20 min), and reason analysis is made aiming at the problem: when the air compressor is shut down, all valves are closed, moisture cannot enter the air compressor post-processing device, but the tail end of the dew point sensor is provided with a silencer communicated with the atmosphere, and humid air enters a detection pipeline and a detection cavity of the dew point sensor through the silencer after the unit is shut down. Therefore, when the external environment is more humid, the pollution degree of the detection system is more serious, the residual moisture in the detection system is firstly blown off by the dry gas after passing through the drying and purifying device, so that the dew point display value can reflect the moisture content of the gas after drying treatment, the time for the gas to reach the index required value (-70 ℃) is greatly prolonged, a manual ball valve is added in front of the silencer after the adjustment of the outlet of the dew point sensor, the manual ball valve is closed after each shutdown, the moist air is ensured not to enter a dew point sensor detection cavity after the shutdown, the ball valve is opened again before the startup, after the improvement, the time for the gas at the outlet of the air compressor to reach the dew point value through the drying and purifying device is about 10min after multiple startup tests, and the time for obtaining the gas meeting the quality requirement is greatly shortened.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. Four station equipment air conditioning modules of modularization, including cabin body (1), its characterized in that: the cabin body (1) is provided with an air pipeline system and an electric control system;

the air pipeline system comprises an air compressor (2) and a purifier (3), an air outlet of the air compressor (2) is connected with an air inlet of the purifier (3) through a one-way valve DX1, an air outlet of the purifier (3) is connected with a one-way valve DX4, the one-way valve DX4 is connected with a three-way ball valve SQF1 and a regulating valve 1 in parallel, the three-way ball valve SQF1 is connected with an inflation port J1, the regulating valve JY1 is connected with a regulating valve JY2 and a regulating valve JY3 in parallel, the regulating valve JY2 is connected with an inflation port J2 and a one-way valve DX2 in parallel through a valve QF2, the one-way valve DX2 is connected with an inflation port J1, the regulating valve JY3 is connected with an inflation port J3 and a one-way valve JY3 in parallel, the one-way valve DX3 is connected with an inflation port J1, the air outlet of the purifier (3) is connected with a dew point valve DX1 through a valve JY1, and a dew point valve, a plurality of air storage tanks (4) are arranged;

2. The modular four station equipment air conditioning module of claim 1, wherein: the PLC controller is respectively connected with the air compressor (2), the dew point sensor, the pressure sensor, the temperature sensor for detection, the display controller, the heating fan and the cooling fan through signal lines, and the dew point sensor, the pressure sensor and the temperature sensor for detection are installed on a dew point opening (5).

3. The modular four station equipment air conditioning module of claim 1, wherein: the outer surface of the air storage tank (4) is covered with a glass fiber layer.

4. The modular four station equipment air conditioning module of claim 1, wherein: and a ball valve is arranged at the dew point opening (5).