CN216844137U - Temperature and pressure adjustable air supply system - Google Patents
Temperature and pressure adjustable air supply system Download PDFInfo
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- CN216844137U CN216844137U CN202123084821.2U CN202123084821U CN216844137U CN 216844137 U CN216844137 U CN 216844137U CN 202123084821 U CN202123084821 U CN 202123084821U CN 216844137 U CN216844137 U CN 216844137U
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Abstract
The utility model belongs to the technical field of the aeronautical test ware, concretely relates to temperature and pressure adjustable air supply system. The utility model provides initial compressed air through the air compressor, the water removal treatment is carried out through the cold drier, the vapor is further removed through the micro-heat regeneration drier, after the clean and anhydrous low-temperature compressed air is obtained, the required air supply pressure is accurately adjusted through the electric control proportional pressure reducing valve, the air supply path is divided into two paths through the electric three-way adjusting valve, one path directly enters the mixed temperature air tank, and the other path enters the mixed temperature air tank after being heated by the electric heater; the pressure sensor and the temperature sensor detect the pressure and the temperature in the temperature mixing gas tank in real time and then feed back the pressure and the temperature to the control system, and the control system adjusts the opening proportion of the electric three-way adjusting valve in real time, so that the cold and hot gas amount is changed, and the required gas supply temperature is achieved. The utility model discloses can accurate regulation air feed pressure and air feed temperature.
Description
Technical Field
The utility model belongs to the technical field of the aeronautical test ware, concretely relates to temperature and pressure adjustable air supply system.
Background
In the process of high-altitude operation of the aviation case, due to the low air pressure of high altitude, the high-speed operation of the case easily causes the case sealing leakage, thereby bringing hidden danger to the flight safety. Therefore, during the ground test, the sealing of the casing must be checked, and the test name is cavity pressure test. The adopted method is that during ground test, compressed air is introduced into the casing, when the casing rotates at high speed, the internal cavity pressure is increased, and the casing does not leak under rated cavity pressure, so that the mechanical sealing performance is good.
In order to not influence the examination of various other indexes of the casing, the temperature of the introduced compressed air is consistent with the temperature of the lubricating oil of the casing during a cavity pressure test, and the temperature of the compressed air is changed under the condition of variable working conditions, so that the error between the temperature of the lubricating oil and the temperature of the air is ensured to be within +/-1 ℃.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature and pressure adjustable air supply system.
A temperature and pressure adjustable air supply system comprises an air compressor, an air storage tank, an air filter, a cold dryer, a micro-thermal regeneration dryer, an electric control proportional pressure reducing valve, an electric three-way regulating valve, an electric heater, a temperature mixing air tank, a pressure sensor, a temperature sensor and a control system; the air compressor, the air storage tank, the air filter, the cold dryer, the micro-thermal regeneration dryer and the electric control proportional pressure reducing valve are sequentially connected in series; the electric three-way regulating valve is respectively connected with the electric control proportional pressure reducing valve, the electric heater and the temperature mixing gas tank; the electric heater is connected with the temperature mixing gas tank; the pressure sensor and the temperature sensor are arranged on the mixed-temperature gas tank.
Further, the air compressor provides initial compressed air, the initial compressed air is subjected to water removal treatment through a cold dryer, and water vapor is further removed through a micro-thermal regeneration dryer, so that clean and anhydrous low-temperature compressed air is obtained; clean and anhydrous low-temperature compressed air is accurately regulated to the required air supply pressure through an electric control proportional pressure reducing valve, and then is divided into two paths through an electric three-way regulating valve, wherein one path directly enters a mixed temperature air tank, and the other path is heated by an electric heater and then enters the mixed temperature air tank; the pressure sensor and the temperature sensor detect the pressure and the temperature in the temperature mixing gas tank in real time and then feed back the pressure and the temperature to the control system, and the control system adjusts the opening proportion of the electric three-way adjusting valve in real time to change the cold gas quantity and the hot gas quantity so as to achieve the required gas supply temperature.
The beneficial effects of the utility model reside in that:
the utility model provides initial compressed air through the air compressor, the water removal treatment is carried out through the cold drier, the vapor is further removed through the micro-heat regeneration drier, after the clean and anhydrous low-temperature compressed air is obtained, the required air supply pressure is accurately adjusted through the electric control proportional pressure reducing valve, the air supply path is divided into two paths through the electric three-way adjusting valve, one path directly enters the mixed temperature air tank, and the other path enters the mixed temperature air tank after being heated by the electric heater; the pressure sensor and the temperature sensor detect the pressure and the temperature in the temperature mixing gas tank in real time and then feed back the pressure and the temperature to the control system, and the control system adjusts the opening proportion of the electric three-way adjusting valve in real time, so that the cold and hot gas amount is changed, and the required gas supply temperature is achieved. The utility model discloses can accurate regulation air feed pressure and air feed temperature.
Drawings
Fig. 1 is a schematic diagram of a temperature and pressure adjustable air supply system of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an air supply system with adjustable temperature and pressure comprises an air compressor 1, an air storage tank 2, an air filter 3, a cold dryer 4, a micro-thermal regeneration dryer 5, an electric control proportional pressure reducing valve 6, an electric three-way regulating valve 7, an electric heater 8, a mixed temperature air tank 9, a pressure sensor 10, a temperature sensor 11 and a control system 12; the air compressor 1, the air storage tank 2, the air filter 3, the cold dryer 4, the micro-thermal regeneration dryer 5 and the electric control proportional pressure reducing valve 6 are sequentially connected in series; the electric three-way regulating valve 7 is respectively connected with an electric control proportional pressure reducing valve 6, an electric heater 8 and a mixed temperature gas tank 9; the electric heater 8 is connected with a temperature mixing gas tank 9; the pressure sensor 10 and the temperature sensor 11 are arranged on the temperature mixing gas tank 9.
The air compressor provides initial compressed air, the air is subjected to water removal treatment through the cold dryer, and water vapor in the air is further removed through the micro-thermal regeneration dryer, so that gears in the casing are prevented from rusting; the electric control proportional pressure reducing valve is used for accurately adjusting the air supply pressure; the electric heater is used for heating the compressed air and has a remote temperature control function; the electric three-way regulating valve is used for mixing cold air and hot air to reach the required temperature; the mixed temperature tank is used for mixing cold air and hot air and storing the mixed air in the mixed temperature tank body, and the tank body is subjected to heat preservation treatment to play a role in fully mixing the temperature; the sensor is used for detecting the temperature and pressure values of the gas supply path, and the control system is used for realizing the real-time regulation of the temperature and the pressure according to the measured data; the utility model discloses can accurate regulation air feed pressure and air feed temperature.
Example 1:
the temperature and pressure adjustable air supply system of the utility model comprises an air compressor 1, an air storage tank 2, an air filter 3, a cold dryer 4, a micro-thermal regeneration dryer 5, an electric control proportional pressure reducing valve 6, an electric control three-way regulating valve 7, an electric three-way regulating valve 7, an air supply path, a mixed temperature air tank, an electric heater 8, a mixed temperature air tank 9, a cold dryer 4, a micro-thermal regeneration dryer 5, a cold dryer; the temperature and pressure sensor is installed on the temperature mixing air tank 9, and data of the temperature mixing tank are detected in real time. According to data feedback, the control system 12 is used for adjusting the opening proportion of the electric three-way adjusting valve, cold air and hot air are changed, and the required air supply temperature can be achieved.
The cold and hot compressed gas has high flow speed, needs to be fully mixed in the temperature mixing gas tank 9 and then is supplied to the outside, achieves the aim of uniform temperature, simultaneously plays the role of gas pressure stabilization before supplying gas to the casing, and the temperature mixing gas tank and the high-temperature gas supply pipeline need to be subjected to heat preservation treatment, otherwise, the temperature change gradient is larger along with the increase of the distance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a temperature and pressure adjustable air supply system which characterized in that: the device comprises an air compressor (1), an air storage tank (2), an air filter (3), a cold dryer (4), a micro-thermal regeneration dryer (5), an electric control proportional pressure reducing valve (6), an electric three-way regulating valve (7), an electric heater (8), a temperature mixing air tank (9), a pressure sensor (10), a temperature sensor (11) and a control system (12); the air compressor (1), the air storage tank (2), the air filter (3), the cold dryer (4), the micro-thermal regeneration dryer (5) and the electric control proportional pressure reducing valve (6) are sequentially connected in series; the electric three-way regulating valve (7) is respectively connected with the electric control proportional pressure reducing valve (6), the electric heater (8) and the temperature mixing gas tank (9); the electric heater (8) is connected with the temperature mixing gas tank (9); the pressure sensor (10) and the temperature sensor (11) are arranged on the temperature mixing air tank (9).
2. A temperature and pressure adjustable air supply system according to claim 1, wherein: the air compressor (1) provides initial compressed air, the initial compressed air is subjected to water removal treatment through the cold dryer (4), and water vapor is further removed through the micro-thermal regeneration dryer (5) to obtain clean and anhydrous low-temperature compressed air; clean and anhydrous low-temperature compressed air is accurately regulated to required air supply pressure through an electric control proportional pressure reducing valve (6), then an air supply path is divided into two paths through an electric three-way regulating valve (7), one path directly enters a mixed temperature air tank (9), and the other path is heated through an electric heater (8) and then enters the mixed temperature air tank (9); pressure sensor (10) and temperature sensor (11) real-time detection mix the feedback to control system (12) after the pressure and the temperature in warm gas pitcher (9), control system (12) real-time regulation electronic three-way control valve (7) opening proportion, change cold, hot tolerance, reach required air feed temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084821.2U CN216844137U (en) | 2021-12-09 | 2021-12-09 | Temperature and pressure adjustable air supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084821.2U CN216844137U (en) | 2021-12-09 | 2021-12-09 | Temperature and pressure adjustable air supply system |
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| CN216844137U true CN216844137U (en) | 2022-06-28 |
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| CN202123084821.2U Active CN216844137U (en) | 2021-12-09 | 2021-12-09 | Temperature and pressure adjustable air supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087535A (en) * | 2021-12-09 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Temperature and pressure adjustable air supply system |
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2021
- 2021-12-09 CN CN202123084821.2U patent/CN216844137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087535A (en) * | 2021-12-09 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Temperature and pressure adjustable air supply system |
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