Electric servo automatic circulating reciprocating liquid medium filling device
The device that automatically and cyclically adds liquid media by electric servo solves the problems of complex structure, high cost and low efficiency of water separator detection devices, and achieves the effects of simplified operation, reduced cost and improved detection efficiency.
Patent Information
- Application Number
- CN202422787772.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing water separator testing devices are complex in structure, have high production and maintenance costs, long testing time, and low efficiency.
The device, which uses an electric servo motor for automatic cyclic reciprocating liquid medium filling, includes components such as an electric servo motor, an electric cylinder, a metering water injection piston cylinder, a one-way valve, and an atomizing nozzle. It achieves automated operation by precisely controlling the filling and reflux of the liquid medium.
It simplifies the operation process, reduces production and maintenance costs, improves testing efficiency, enables single-person operation and efficient liquid medium filling, and meets the semi-physical simulation testing requirements of water separators.
Smart Images

Figure CN223549375U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of aviation environmental control technology, and in particular to an electric servo automatic cyclic reciprocating liquid medium filling device. Background Technology
[0002] The water separator is a subsystem of the aircraft's environmental control system. It's a dehumidification device used in air circulation and cooling systems, primarily to remove moisture from the bleed air to ensure relatively dry air. Ground-based semi-physical simulation testing of the water separator is challenging due to its high production and maintenance costs, inaccurate liquid medium filling volume, inaccurate and unstable data on product water separation efficiency, complex testing processes, and long product performance testing time. Utility Model Content
[0003] The purpose of this invention is to provide an electric servo-driven automatic cyclic reciprocating liquid medium filling device. This invention can solve the technical problems of complex structure, high production and maintenance costs, long detection time, and low efficiency in related technologies.
[0004] The technical solution of this utility model is: an electric servo automatic cyclic reciprocating liquid medium filling device, comprising: electric servo motor A, electric cylinder A, quantitative water injection piston cylinder A, one-way valve A, atomizing nozzle, one-way valve B, quantitative water injection piston cylinder B, electric cylinder B, electric servo motor B, air filter, level gauge, water tank, welded ball valve, water suction filter A, one-way valve C, water suction filter B, one-way valve D;
[0005] Electric servo motor A is connected to electric cylinder A. The cylinder rod of electric cylinder A is connected to metering water injection piston cylinder A. Metering water injection piston cylinder A is connected to one-way valve A. One-way valve A and one-way valve B are connected to the atomizing nozzle. One-way valve B is connected to metering water injection piston cylinder B. Metering water injection piston cylinder B is connected to the cylinder rod of electric cylinder B. Electric cylinder B is connected to electric servo motor B. Metering water injection piston cylinder A is connected to one-way valve C. One-way valve C and water suction filter A are connected to the water tank. Metering water injection piston cylinder B is connected to one-way valve D. One-way valve D, water suction filter and water tank are connected to the water tank. Air filter and level gauge ball valve are connected to the water tank separately.
[0006] In the aforementioned electric servo automatic cyclic reciprocating liquid medium filling device, the housings of the metering water injection piston cylinders A and B are made of stainless steel.
[0007] In the aforementioned electric servo automatic cyclic reciprocating liquid medium filling device, the pistons of the metering water injection piston cylinders A and B are made of stainless steel and copper sleeves.
[0008] In the aforementioned electric servo automatic cyclic reciprocating liquid medium filling device, the cylinder rods of electric cylinders A and B are directly concentrically connected to the pistons of quantitative water injection piston cylinders A and B.
[0009] In the aforementioned electric servo automatic cyclic reciprocating liquid medium filling device, the cylinder rods of electric cylinders A and B are sealed with the pistons of quantitative water injection piston cylinders A and B via a coaxial double-seal structure.
[0010] In the aforementioned electric servo automatic cyclic reciprocating liquid medium filling device, check valves A, B, C, and D are all self-resetting structures.
[0011] The advantages of this utility model are: This utility model can solve the technical problems of complex structure, high production and maintenance costs, long detection time and low efficiency of the detection device in the related technology, and is used for semi-physical simulation detection of water separators on the ground.
[0012] This utility model provides an electric servo automatic cyclic reciprocating liquid medium filling device. The device is simple and convenient to operate by a single person, requires little investment, has high output, high efficiency, and high cost performance. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a structural diagram of the lever end of an electric cylinder. Detailed Implementation
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.
[0016] Example 1. An electric servo-driven automatic cyclic reciprocating liquid medium filling device, see [link to example]. Figure 1 and Figure 2 The components include: electric servo motor A1, electric cylinder A2, quantitative water injection piston cylinder A3, one-way valve A4, atomizing nozzle 5, one-way valve B6, quantitative water injection piston cylinder B7, electric cylinder B8, electric servo motor B9, air filter 10, level gauge 11, water tank 12, welded ball valve 13, water suction filter A14, one-way valve C15, water suction filter B16, and one-way valve D17.
[0017] Electric servo motor A1 is connected to electric cylinder A2. The cylinder rod of electric cylinder A2 is connected to metering water injection piston cylinder A3. Metering water injection piston cylinder A3 is connected to one-way valve A4. One-way valve A4 and one-way valve B6 are connected to atomizing nozzle 5. One-way valve B6 is connected to metering water injection piston cylinder B7. Metering water injection piston cylinder B7 is connected to the cylinder rod of electric cylinder B8. Electric cylinder B8 is connected to electric servo motor B9. Metering water injection piston cylinder A3 is connected to one-way valve C15. One-way valve C15 and water suction filter A14 are connected to water tank 12. Metering water injection piston cylinder B7 is connected to one-way valve D17. One-way valve D17, water suction filter and water tank 12 are connected to water tank 12. Air filter 10 and level gauge 11 ball valve are each individually connected to water tank 12.
[0018] The housings of the metering water injection piston cylinders A and B are made of stainless steel.
[0019] The pistons of the metering water injection piston cylinders A and B are made of stainless steel and copper sleeves.
[0020] The cylinder rods of electric cylinders A and B are directly and concentrically connected to the pistons of metering water injection piston cylinders A and B.
[0021] The cylinder rods of electric cylinders A and B are sealed at their corresponding piston connections with the metering water injection piston cylinders A and B via a coaxial double-seal structure. (See also...) Figure 2
[0022] One-way valves A, B, C, and D all have a self-resetting structure.
[0023] Based on the set control flow data, the forward and reverse rotation speeds of electric servo motors A1 and B9 are calculated. Electric servo motors A1 and B9 are simultaneously energized and reset. Metering water injection piston cylinders A3 and B7 draw water from water tank 12. After both electric servo motors reset, electric servo motor A1 is energized and rotates at the forward speed. The cylinder rod of electric cylinder A2 extends. Electric servo motor B9 is de-energized and stops. One-way valve A4 opens, and one-way valves B6 and C15 close. Liquid in metering water injection piston cylinder A3 is sprayed out from atomizing nozzle 5. The cylinder rod of electric cylinder A2 extends to a certain extent... After displacement, electric servo motor A1 continues to be energized and rotates in the reverse direction, electric cylinder A2 retracts, and simultaneously electric servo motor B9 is energized and rotates in the forward direction. Electric cylinder B8 extends, and electric servo motor A1 continues to be energized and rotates in the reverse direction. One-way valves B6 and C15 open, and one-way valves A4 and D17 close. Liquid is drawn from water tank 12 into metering injection piston cylinder A3. Liquid in metering injection piston cylinder B7 is sprayed out from atomizing nozzle 5. After electric cylinder B8 extends a certain displacement, electric servo motor B9 continues to be energized and rotates in the reverse direction, while electric servo motor A1 rotates in the forward direction. The above-mentioned electric servo motors A1 and B9 automatically cycle and reciprocate to add liquid medium. The amount of liquid medium added can be continuously and steplessly adjusted. By setting a certain amount of liquid medium to be added using the above method, the liquid medium addition in an aircraft water separator is simulated to test whether the product's water separation efficiency meets the product performance testing requirements.
Claims
1. A device for automatically and cyclically reciprocatingly adding liquid media by an electric servo system, characterized in that, include: Electric servo motor A (1), electric cylinder A (2), quantitative water injection piston cylinder A (3), one-way valve A (4), atomizing nozzle (5), one-way valve B (6), quantitative water injection piston cylinder B (7), electric cylinder B (8), electric servo motor B (9), air filter (10), level gauge (11), water tank (12), welded ball valve (13), water suction filter A (14), one-way valve C (15), water suction filter B (16), one-way valve D (17); Electric servo motor A(1) is connected to electric cylinder A(2). The cylinder rod of electric cylinder A(2) is connected to metering water injection piston cylinder A(3). Metering water injection piston cylinder A(3) is connected to one-way valve A(4). One-way valve A(4) and one-way valve B(6) are connected to atomizing nozzle (5). One-way valve B(6) is connected to metering water injection piston cylinder B(7). Metering water injection piston cylinder B(7) is connected to the cylinder rod of electric cylinder B(8). Electric cylinder B(8) is connected to electric... Servo motor B (9); quantitative water injection piston cylinder A (3) is connected to check valve C (15), check valve C (15) and water suction filter A (14) are connected to water tank (12); quantitative water injection piston cylinder B (7) is connected to check valve D (17), check valve D (17), water suction filter and water tank (12) are connected to water tank (12); air filter (10) and level gauge (11) ball valve are connected to water tank (12) separately.
2. The electric servo-driven automatic cyclic reciprocating liquid medium filling device according to claim 1, characterized in that, The housings of the metering water injection piston cylinders A and B are made of stainless steel.
3. The electric servo-driven automatic cyclic reciprocating liquid medium filling device according to claim 1, characterized in that, The pistons of the metering water injection piston cylinders A and B are made of stainless steel and copper sleeves.
4. The electric servo-driven automatic cyclic reciprocating liquid medium filling device according to claim 1, characterized in that, The cylinder rods of electric cylinders A and B are directly and concentrically connected to the pistons of metering water injection piston cylinders A and B.
5. The electric servo-driven automatic cyclic reciprocating liquid medium filling device according to claim 1, characterized in that, The cylinder rods of electric cylinders A and B are sealed at the piston connection points of metering water injection piston cylinders A and B via a coaxial double-seal structure.
6. The electric servo-driven automatic cyclic reciprocating liquid medium filling device according to claim 1, characterized in that, One-way valves A, B, C, and D all have a self-resetting structure.