Air pump capable of automatically draining water in case of water inlet induction and power failure

By incorporating a water level sensor switch and a drainage motor into the air pump, the system automatically cuts off power and drains water, thus solving the problem of water ingress causing circuit damage and ensuring the normal operation of the air pump.

CN223854424UActive Publication Date: 2026-01-30LUFENG YUEQIAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520059837.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-30
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Water entering the existing air pump can cause damage to the internal circuitry or short circuits.

Method used

An air pump with automatic drainage by sensing water inlet and power-off is designed. By setting first and second water level sensing switches, relays and drainage motors, the power is automatically cut off and the drainage motor is started to discharge water when the water level reaches a certain height, preventing water from entering the internal circuit of the air pump.

Benefits of technology

It automatically cuts off power when water enters the air pump, protecting the internal circuitry of the air pump from damage and ensuring the air pump operates normally.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223854424U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of water inlet protection of air pumps, particularly relates to an air pump capable of automatically draining water in case of water inlet induction power failure, and aims to solve the problem that once water enters an air pump in the prior art, the water can damage a circuit in the air pump or short-circuiting the circuit in the air pump. The device comprises a first sealing cavity, a second sealing cavity and an air pump air suction cavity, a relay and a drainage motor are arranged in the second sealing cavity, the relay is provided with a power source positive electrode, a first power source negative electrode and a second power source negative electrode, and the drainage motor is connected with a motor drainage port and a motor water pumping port. A first water level inductive switch and a second water level inductive switch are arranged on the first sealing cavity, and the first water level inductive switch is located above the second water level inductive switch. According to the air pump capable of automatically powering off and starting drainage when water enters the air pump, an internal circuit of the air pump is protected from being damaged by water when water enters the air pump.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air pump water inlet protection technical field especially relates to a kind of water inlet induction power-off automatic drainage air pump. BACKGROUND

[0002] Air pump is a kind of product that can compress air, which is widely used in industry and life, and it is used in water cooling and outdoor use.

[0003] Once the air pump in prior art is waterlogged, water will enter the air pump, and water will damage the circuit inside the air pump or cause a short circuit. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of water inlet induction power-off automatic drainage air pump to solve the shortcoming that once the air pump in prior art is waterlogged, water will enter the air pump, and water will damage the circuit inside the air pump or cause a short circuit.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of water inlet induction power-off automatic drainage air pump, including first sealed cavity, second sealed cavity, air pump suction cavity, second sealed cavity is provided with relay and drainage motor, relay is provided with first power supply positive pole, first power supply negative pole, second power supply negative pole, drainage motor is connected with motor drainage and motor water suction, first sealed cavity is provided with first water level sensing switch and second water level sensing switch, first water level sensing switch is located above second water level sensing switch;

[0007] Second air inlet, first water-blocking groove, second water-blocking groove, water slide slope are sequentially arranged from top to bottom in first sealed cavity, air pump motor is further provided outside second sealed cavity, air pump motor is connected with air pump motor power supply negative pole, air pump motor power supply positive pole, air pump piston is connected on air pump motor rotor, air pump piston is arranged in air pump suction cavity, air pump motor power supply negative pole is connected with second power supply negative pole, air pump motor power supply positive pole is connected with relay positive pole output, two air pump air check valves are arranged above and below air pump piston, and located in air pump suction cavity.

[0008] Preferably, the lower air pump air check valve of the two air pump air check valves is provided with air pump second air outlet, and the upper air pump air check valve of the two air pump air check valves is provided with air pump first air outlet.

[0009] Preferably, the relay is provided with relay positive pole input, relay positive pole output, relay positive pole and relay negative pole.

[0010] Preferably, the motor drain port is communicated with a second hose, and the second hose is communicated with a drain channel, which communicates with the outside of the second sealed cavity.

[0011] Preferably, the motor drain port is communicated with a second hose, and the second hose is communicated with a drain channel, which communicates with the outside of the second sealed cavity.

[0012] Preferably, the drain motor is provided with a drain motor positive electrode and a drain motor negative electrode.

[0013] Preferably, the first water level sensing switch is provided with a first sealing ring, and the first water level sensing switch is provided with a first water level sensing switch power line and a second water level sensing switch power line.

[0014] Preferably, the second water level sensing switch is provided with a second sealing ring, and the second water level sensing switch is provided with a third water level sensing switch power line and a fourth water level sensing switch power line.

[0015] Preferably, the first power supply positive electrode is connected with a relay positive electrode input, and the first power supply positive electrode is connected with a relay positive electrode.

[0016] Preferably, the second power supply negative electrode is connected with a first water level sensing switch power line, and a second water level sensing switch power line is connected with a relay negative electrode.

[0017] Preferably, the first power supply positive electrode is connected with a drain motor positive electrode, a drain motor negative electrode is connected with a fourth water level sensing switch power line, and a third water level sensing switch power line is connected with a first power supply negative electrode.

[0018] Preferably, the outside of the first sealed cavity and the second sealed cavity is provided with a same sealed cavity integrated cover, a second waterproof sealing ring is arranged between the sealed cavity integrated cover and the second sealed cavity, and a first waterproof sealing ring is arranged between the sealed cavity integrated cover and the first sealed cavity.

[0019] Preferably, the sealed cavity integrated cover and the first sealed cavity are sealed and fixed by a first screw hole through a screw, the sealed cavity integrated cover and the second sealed cavity are sealed and fixed by a second screw hole through a screw, and the sealed cavity integrated cover is provided with a first air inlet, and the first air inlet is communicated with a second air inlet.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The air pump of the utility model realizes water inlet automatic power-off starting drainage, thereby realizing water inlet protection of the air pump and preventing the internal circuit of the air pump from being damaged by water.

[0022] The utility model discloses a water inlet automatic power-off starting drainage air pump, thereby realizing water inlet protection of the air pump and preventing the internal circuit of the air pump from being damaged by water. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 The utility model discloses a sealed cavity integrated cover and the structure diagram of relevant parts thereof;

[0024] Fig. 2 The utility model discloses a kind of water inlet sensing power-off automatic drainage air pump structure diagram;

[0025] Fig. 3 A kind of water inlet sensing power-off automatic drainage air pump side view structure diagram is provided for the utility model.

[0026] In the figure: 15, second sealing cavity; 100, relay; 7, relay positive input; 8, relay positive output; 9, relay positive pole; 10, relay negative pole; 201, first power supply positive pole; 202, first power supply negative pole; 203, second power supply negative pole; 18, drainage motor; 11, drainage motor positive pole; 12, drainage motor negative pole; 61, water pumping channel; 62, water drainage channel; 63, motor water drainage port; 64, motor water pumping port; 90, first hose; 89, second hose; 88, first water level sensing switch; 75, first sealing ring; 215, first water level sensing switch power supply line; 216, second water level sensing switch power supply line; 87, second water level sensing switch; 76, second sealing ring; 270, third water level sensing switch power supply line; 271, fourth water level sensing switch power supply line; 25, first sealing cavity; 115, second air inlet; 210, first water blocking groove; 209, second water blocking groove; 211, water sliding slope; 26, sealing cavity integrated cover; 37, first waterproof sealing ring; 38, second waterproof sealing ring; 114, first air inlet; 48, first screw hole; 49, second screw hole; 105, air pump motor; 151, air pump air suction cavity; 101, air pump first air outlet; 102, air pump second air outlet; 1, air pump motor power supply negative pole; 2, air pump motor power supply positive pole; 152, air pump piston; 153, air pump air check valve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present embodiments, not all the embodiments.

[0028] EMBODIMENT

[0029] REFERENCE Figs. 1-3The utility model provides an air pump of water inlet induction power-off automatic drainage, including first sealed cavity 25, second sealed cavity 15, air pump air suction cavity 151, be provided with relay 100 and drainage motor 18 in second sealed cavity 15, be provided with first power supply positive pole 201, first power supply negative pole 202, second power supply negative pole 203 on relay 100, be connected with motor drainage 63 and motor pumping 64 on drainage motor 18, be provided with first water level sensing switch 88 and second water level sensing switch 87 on first sealed cavity 25, first water level sensing switch 88 is located the top of second water level sensing switch 87, be provided with second air inlet 115, first water resistance groove 210, second water resistance groove 209, sliding water slope 211 from top to bottom in first sealed cavity 25, still be provided with air pump motor 105 in second sealed cavity 15, be connected with air pump motor power supply negative pole 1, air pump motor power supply positive pole 2 on air pump motor 105, be connected with connecting air pump piston 152 on air pump motor 105 rotor, air pump piston 152 sets up in air pump air suction cavity 151, air pump motor power supply negative pole 1 connects second power supply negative pole 203, air pump motor power supply positive pole 2 is connected with relay positive pole output 8, the top and the bottom of air pump piston 152 are matched with two air pump air check valves 153, and are located in air pump air suction cavity 151.

[0030] In the embodiment, the lower of the two air pump air check valves 153 is provided with a second air outlet 102, and the upper of the two air pump air check valves 153 is provided with a first air outlet 101.

[0031] In the embodiment, the relay 100 is provided with a relay positive pole input 7, a relay positive pole output 8, a relay positive pole 9, and a relay negative pole 10.

[0032] In the embodiment, the motor drainage 63 is communicated with a second hose 89, the second hose 89 is communicated with a drainage channel 62, which is communicated with the outside of the second sealed cavity 15, and the motor pumping 64 is communicated with a first hose 90, the first hose 90 is communicated with a pumping channel 61, which connects the first sealed cavity 25 and the second sealed cavity 15.

[0033] In the embodiment, the drainage motor 18 is provided with a drainage motor positive pole 11 and a drainage motor negative pole 12.

[0034] In the embodiment, the first water level sensing switch 88 is installed with a first sealing ring 75, the first water level sensing switch 88 is provided with a water level sensing switch first power line 215 and a water level sensing switch second power line 216, the second water level sensing switch 87 is installed with a second sealing ring 76, and the second water level sensing switch 87 is provided with a water level sensing switch third power line 270 and a water level sensing switch fourth power line 271.

[0035] In this embodiment, the first power supply positive pole 201 is connected with the relay positive pole input 7, the first power supply positive pole 201 is connected with the relay positive pole 9, the second power supply negative pole 203 is connected with the water level sensing switch first power supply line 215, the water level sensing switch second power supply line 216 is connected with the relay negative pole 10, the first power supply positive pole 201 is connected with the drainage motor positive pole 11, the drainage motor negative pole 12 is connected with the water level sensing switch fourth power supply line 271, and the water level sensing switch third power supply line 270 is connected with the first power supply negative pole 202.

[0036] In this embodiment, the outer side of the first sealing cavity 25 and the second sealing cavity 15 is provided with the same sealing cavity integrated cover 26, the sealing cavity integrated cover 26 is provided with the second waterproof sealing ring 38 in the middle of the second sealing cavity 15, and the sealing cavity integrated cover 26 is provided with the first waterproof sealing ring 37 between the first sealing cavity 25.

[0037] In this embodiment, the sealing cavity integrated cover 26 and the first sealing cavity 25 are sealed and fixed by screws through the first screw hole 48, the sealing cavity integrated cover 26 and the second sealing cavity 15 are sealed and fixed by screws through the second screw hole 49, and the sealing cavity integrated cover 26 is provided with the first air inlet 114, and the first air inlet 114 is connected with the second air inlet 115.

[0038] When the air pump motor works, the water-containing air enters from the first air inlet 114, the water flows to the bottom of the drainage sealing cavity, when a certain amount of water is reached, the float of the second water level sensing switch sensing 87 floats up to sense power-on to start the drainage motor, once the water level exceeds the second water level sensing switch 87, the first water level sensing switch 88 is located above the second water level sensing switch 87, the float of the first water level sensing switch 88 floats up, the relay 100 in the second sealing cavity 15 is de-energized, the air pump motor stops rotating, the second water level sensing switch 87 continues to start the drainage motor to continue to drain water, the water in the first sealing cavity 25 is drained, the first water level sensing switch 88 senses no water and starts the air pump motor, the second water level sensing switch 87 senses no water and stops working, due to the water resistance of the first water resistance groove 210 and the second water resistance groove 209, the air without water is sucked into the air pump suction cavity 151 from the first sealing cavity 25 through the second air inlet, the air without water is transmitted to the air pump first air outlet 101 and the air pump second air outlet 102 by the air pump piston 152, and high-pressure air is output for use. The materials and lengths of all structures in the application can be selected according to actual use, and the drawings are schematic structure diagrams. The specific actual size can be appropriately adjusted.

[0039] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes to the technical scope disclosed by the present application and the inventive concept thereof, and all of them shall be covered within the scope of protection of the present application.

Claims

1. A water inlet sensing power-off automatic drainage air pump, comprising a first sealed cavity (25), a second sealed cavity (15), and an air pump air suction cavity (151), characterized in that, The second sealing cavity (15) is provided with a relay (100) and a drainage motor (18), the relay (100) is provided with a first power supply positive pole (201), a first power supply negative pole (202) and a second power supply negative pole (203), the drainage motor (18) is connected with a motor drainage port (63) and a motor water pumping port (64), the first sealing cavity (25) is provided with a first water level sensing switch (88) and a second water level sensing switch (87), and the first water level sensing switch (88) is located above the second water level sensing switch (87). The first sealing cavity (25) is sequentially provided with a second air inlet (115), a first water blocking groove (210), a second water blocking groove (209) and a water sliding slope (211) from top to bottom, and the first sealing cavity (25) and the second sealing cavity (15) are further provided with a gas pump motor (105), the gas pump motor (105) is connected with a gas pump motor power supply negative pole (1) and a gas pump motor power supply positive pole (2), the gas pump motor power supply negative pole (1) is connected with the second power supply negative pole (203), the gas pump motor power supply positive pole (2) is connected with the relay positive pole output (8), and the relay (100) is provided with a relay positive pole input (7), a relay positive pole output (8), a relay positive pole (9) and a relay negative pole (10).

2. The water inlet sensing, power-off automatic draining air pump according to claim 1, characterized in that, The motor drainage port (63) is communicated with a second hose (89), the second hose (89) is communicated with a drainage channel (62), the motor water pumping port (64) is communicated with a first hose (90), the first hose (90) is communicated with a water pumping channel (61), and the first sealing cavity (25) and the second sealing cavity (15) are communicated through the water pumping channel (61).

3. The water inlet sensing, power-off automatic draining air pump according to claim 1, characterized in that, The drainage motor (18) is provided with a drainage motor positive pole (11) and a drainage motor negative pole (12), the first water level sensing switch (88) is provided with a first sealing ring (75), the first water level sensing switch (88) is provided with a water level sensing switch first power supply line (215) and a water level sensing switch second power supply line (216), the second water level sensing switch (87) is provided with a second sealing ring (76), and the second water level sensing switch (87) is provided with a water level sensing switch third power supply line (270) and a water level sensing switch fourth power supply line (271).

4. The water inlet sensing, power-off automatic draining air pump according to claim 1, characterized in that, The first power supply positive pole (201) is connected with the relay positive pole input (7) and the relay positive pole (9), the second power supply negative pole (203) is connected with the water level sensing switch first power supply line (215), the water level sensing switch second power supply line (216) is connected with the relay negative pole (10), the first power supply positive pole (201) is connected with the drainage motor positive pole (11), the drainage motor negative pole (12) is connected with the water level sensing switch fourth power supply line (271), and the water level sensing switch third power supply line (270) is connected with the first power supply negative pole (202).

5. The water inlet sensing, power-off automatic draining air pump according to claim 1, characterized in that, The outer side of the first sealing cavity (25) and the second sealing cavity (15) is provided with the same sealing cavity integrated cover (26), the sealing cavity integrated cover (26) is provided with the second waterproof sealing ring (38) in the middle of the second sealing cavity (15), and the sealing cavity integrated cover (26) is provided with the first waterproof sealing ring (37) between the first sealing cavity (25).

6. The water inlet sensing, power-off automatic draining air pump according to claim 5, characterized in that, The sealing cavity integrated cover (26) and the first sealing cavity (25) are sealed and fixed by screws through the first screw hole (48), the sealing cavity integrated cover (26) and the second sealing cavity (15) are sealed and fixed by screws through the second screw hole (49), and the sealing cavity integrated cover (26) is provided with the first air inlet (114), and the first air inlet (114) is communicated with the second air inlet (115).