# US 12,601,512 B2 · Humidifying device and humidifying method for air-conditioning unit

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- Number: US 12,601,512 B2
- Document ID: US12601512B2
- Status: Granted
- Kind: B2
- Application number: 18/462,128
- Filed: 2023-09-06
- Published: 2025-03-06
- Granted: 2026-04-14
- Earliest claimed: 2023-09-06
- Assignees: Linyi University
- Applicants: Linyi University
- Inventors: Ruquan Liang
- Web page: https://patentgrep.com/patent/US12601512B2

## CPC

- F24F 6/12: by forming water dispersions in the air
- F24F 6/02: by evaporation of water in the air
- F24F 11/30: for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F 2006/008: {Air-humidifier with water reservoir}
- F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02)

## Abstract

A humidifying device and a humidifying method for an air-conditioning unit includes a connecting piece, where the connecting piece includes a connecting coiled pipe fixedly connected to an inner wall of a top end of a humidifying cavity, an air inlet end of the connecting coiled pipe extends out of the humidifying cavity to be selectively communicated with an air-conditioner indoor unit or air-conditioner outdoor unit, and an air outlet end of the connecting coiled pipe extends into a flocculating cavity; a flocculating piece arranged in the flocculating cavity, including a flocculating cylinder rotatably connected with the flocculating cavity, where the flocculating cylinder is provided with flocculating holes, one end of the connecting coiled pipe extending into the flocculating cavity is in transmission connection with the flocculating cylinder; a heat exchanging piece arranged in the humidifying cavity includes a supporting shell, supporting holes and a vibrating piece.

## Claims

### Claim 1

A humidifying device for an air-conditioning unit, comprising:
a humidifying box, wherein a flocculating cavity and a humidifying cavity are respectively defined in the humidifying box;
a connecting piece arranged in the humidifying cavity, wherein the connecting piece comprises a connecting coiled pipe fixedly connected to an inner wall of a top end of the humidifying cavity, an air inlet end of the connecting coiled pipe extends out of the humidifying cavity to be selectively communicated with an air-conditioner indoor unit or an air-conditioner outdoor unit, and an air outlet end of the connecting coiled pipe extends into the flocculating cavity;
a flocculating piece arranged in the flocculating cavity, wherein the flocculating piece comprises a flocculating cylinder rotatably connected with the flocculating cavity, the flocculating cylinder is provided with a plurality of flocculating holes, and one end of the connecting coiled pipe extending into the flocculating cavity is in transmission connection with the flocculating cylinder; and
a heat exchanging piece arranged in the humidifying cavity, wherein the heat exchanging piece is used for exchanging heat between the humidifying cavity and the flocculating cavity, and the heat exchanging piece comprises a supporting shell fixedly connected in the humidifying cavity, and the supporting shell is provided with a plurality of supporting holes, and a vibrating piece is arranged in the supporting shell.

### Claim 2 (depends on 1)

The humidifying device for the air-conditioning unit according to claim 1, wherein one end of the connecting coiled pipe extending out of the humidifying cavity is communicated with a first pipeline, and a compressor is arranged on the first pipeline, wherein the first pipeline is communicated with the air-conditioner indoor unit when the air-conditioning unit refrigerates, and the first pipeline is communicated with the air-conditioner outdoor unit when the air-conditioning unit heats.

### Claim 3 (depends on 2)

The humidifying device for the air-conditioning unit according to claim 2, wherein a side of the flocculating cavity away from the connecting coiled pipe is provided and communicated with a second pipeline, and one end of the second pipeline extends out of the flocculating cavity, wherein when the first pipeline is communicated with the air-conditioner indoor unit, the second pipeline is communicated with the air-conditioner outdoor unit, and when the first pipeline is communicated with the air-conditioner outdoor unit, the second pipeline is communicated with the air-conditioner indoor unit.

### Claim 4 (depends on 2)

The humidifying device for the air-conditioning unit according to claim 2, wherein a rotating rod is rotatably connected in the flocculating cavity, the flocculating cylinder is fixedly connected to the rotating rod, the rotating rod is provided with a transmission piece corresponding to the connecting coiled pipe, and the transmission piece comprises a plurality of spiral blades fixedly connected to the rotating rod in a circumferential direction, the air outlet end of the connecting coiled pipe faces the spiral blades, and a cleaning piece is also arranged in the flocculating cavity, and the cleaning piece is in sliding contact with the flocculating cylinder.

### Claim 5 (depends on 4)

The humidifying device for the air-conditioning unit according to claim 4, wherein the cleaning piece comprises sleeves sleeved on the rotating rod, one end of each of the sleeves is connected with a control piece in a transmission way, each of the sleeves selectively reciprocates or rotatably rotates with the rotating rod through the control piece, and outer peripheral sides of the sleeves are in sliding contact with the flocculating cylinder.

### Claim 6 (depends on 1)

The humidifying device for the air-conditioning unit according to claim 1, wherein the supporting shell adopts a columnar structure with a trapezoidal cross section, the plurality of supporting holes are arranged sequentially on both sides of a top end face of the supporting shell, the vibrating piece comprises a plurality of ultrasonic plates fixedly connected in the supporting shell, and the plurality of ultrasonic plates are arranged in sequence in a direction perpendicular to the rotating rod, and a gap is arranged between two adjacent ultrasonic plates.

### Claim 7 (depends on 1)

The humidifying device for the air-conditioning unit according to claim 1, wherein a partition plate is fixedly connected in the humidifying box, and the humidifying box is separated into the flocculating cavity and the humidifying cavity through the partition plate, the partition plate is of a heat conduction structure, heat exchanging sheets are fixedly connected to one side of the partition plate close to the humidifying cavity, the supporting shell is correspondingly arranged with the heat exchanging sheets, the connecting coiled pipe is arranged at a top of the supporting shell.

### Claim 8 (depends on 7)

The humidifying device for the air-conditioning unit according to claim 7, wherein one side of the humidifying cavity away from the heat exchanging sheets is provided with a humidifying hole, a filter plate is fixedly connected in the humidifying hole, a water filling inlet is arranged at a bottom end of the humidifying cavity, and a water replenishing pipe is communicated in the water filling inlet.

### Claim 9 (depends on 1)

A humidifying method for an air-conditioning unit, based on the humidifying device for the air-conditioning unit according to claim 1, further comprising following steps when the air-conditioning unit refrigerates:
S1, communicating a first pipeline with the air-conditioner indoor unit, and controlling the flocculating cylinder to rotate and heating an interior of the humidifying cavity by the connecting coiled pipe;
S2, starting the vibrating piece for heat exchange; and
S3, communicating a second pipeline with the air-conditioner outdoor unit and communicating the air-conditioner outdoor unit with the air-conditioner indoor unit.

### Claim 10 (depends on 9)

The humidifying method for the air-conditioning unit according to claim 9, wherein the humidifying method further comprises following steps when the air-conditioning unit heats:
S1, communicating the first pipeline with the air-conditioner outdoor unit, and controlling the flocculating cylinder to rotate and heating the interior of the humidifying cavity by the connecting coiled pipe;
S2, starting the vibrating piece for heat exchange; and
S3, communicating the second pipeline with the air-conditioner indoor unit, and communicating the air-conditioner indoor unit with the air-conditioner outdoor unit.
