# US 12,215,899 B1 · Thermoelectric dehumidifier

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- Number: US 12,215,899 B1
- Document ID: US12215899B1
- Status: Granted
- Kind: B1
- Application number: 18/811,783
- Filed: 2024-08-22
- Granted: 2025-02-04
- Earliest claimed: 2024-08-22
- Assignees: US Ginzzu Inc
- Applicants: US Ginzzu Inc
- Inventors: Yindi Yu; Linshu Yu
- Web page: https://patentgrep.com/patent/US12215899B1

## CPC

- F25B 21/02: using Peltier effect; using Nernst-Ettinghausen effect
- B01D 53/265: {by refrigeration (condensation)}
- D06F 58/24: Condensing arrangements
- D06F 2105/36: Condensing arrangements, e.g. control of water injection therefor
- F25B 2321/023: Mounting details thereof
- F25B 2321/0251: by a gas
- F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)
- D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES

## Abstract

The invention relates to a thermoelectric dehumidifier, comprising a housing and a thermoelectric module, wherein a middle partition is arranged in the housing, a cold end of the thermoelectric module is arranged on a front face of the middle partition, and a hot end of the thermoelectric module is arranged on a back face of the middle partition; the middle partition is also provided with a windshield comprising an air inlet end and an air blowing end which are communicated, heat dissipation air from the hot end enters from the air inlet end and is blown out from the air blowing end, and the air from the air blowing end blows to a surface of a refrigeration metal plate, so that condensed water drops on the surface of the refrigeration metal plate are accelerated to slide into improve condensation efficiency.

## Claims

### Claim 1

A thermoelectric dehumidifier used for reducing a water content in air exhausted from a dryer, comprising a housing (10) and a thermoelectric module (40), wherein
the housing (10) is provided with an air inlet (15), and the air inlet (15) is communicated with an air vent of the dryer;
a middle partition (13) is arranged in the housing (10), the thermoelectric module (40) is installed on the middle partition (13), a cold end of the thermoelectric module (40) is arranged on a front face of the middle partition (13), and a hot end of the thermoelectric module (40) is arranged on a back face of the middle partition (13); and
a windshield (50) is also arranged on the middle partition (13), the windshield (50) comprises an air inlet end (51) and an air blowing end (52) which are communicated, the air inlet end (51) faces the hot end of the thermoelectric module (40), the air blowing end faces the cold end of the thermoelectric module (40), and air from the air blowing end (52) blows to a surface of a refrigeration metal plate (41) of the thermoelectric module (40); and
wherein the windshield (50) comprises a semi-open cavity surrounded by a back plate (55), a top plate (54) and two side plates (53), a fixing frame (56) is arranged in a middle part of the windshield 50 the fixing frame 56 divides the semi-open cavity into the air inlet end 51 and the air blowing end 52 the air inlet end 51 is communicated with the air blowing end 52 and a plurality of installation ins 57 are arranged at a lower art of the fixing frame (56); and
the middle partition plate (13) is provided with a windshield installation groove (17), and the plurality of installation ins 57 are detachably inserted into the windshield installation groove (17).

### Claim 2 (depends on 1)

The thermoelectric dehumidifier according to claim 1, wherein the thermoelectric module (40) comprises the refrigeration metal plate (41), a heat insulation plate (42), a radiator (43) and a fan (44); wherein the refrigeration metal plate (41) is the cold end of the thermoelectric module (40); and the radiator (43) is the hot end of the thermoelectric module (40);
the middle partition (13) is also provided with a heat exchange installation groove (18), the thermoelectric module (40) is placed in the heat exchange installation groove (18), wherein the refrigeration metal plate (41) is located at the front face of the middle partition (13), and the radiator (43) and the fan (44) are located at the back face of the middle partition (13).

### Claim 3 (depends on 1)

The thermoelectric dehumidifier according to claim 1, wherein the air inlet (15) is arranged at a side of the housing (10), a first heat dissipation port (14) is also opened next to the air inlet (15), and a second heat dissipation port (19) is opened at the other side of the housing (10).

### Claim 4 (depends on 3)

The thermoelectric dehumidifier according to claim 3, wherein a water tank (60) is detachably installed at a bottom of the housing (10), and a water outlet (61) is opened at a lower part of the water tank (60).

### Claim 5 (depends on 4)

The thermoelectric dehumidifier according to claim 4, wherein a front panel (20) is installed on a front side of the housing (10), and an air outlet grid (21) is installed on the front panel (20); and
a rear panel (30) is installed on a rear side of the housing (10), a central air suction port (31) is opened in a middle part of the rear panel (30), and an upper heat dissipation port (32) is opened at an upper part of the rear panel (30).

### Claim 6 (depends on 5)

The thermoelectric dehumidifier according to claim 5, wherein the front panel (20) is provided with a placing groove, filter cotton (22) is installed in the placing groove, the air outlet grid (21) is arranged outside the filter cotton (22), and the air outlet grid (21) is hinged with the front panel (20).

### Claim 7 (depends on 5)

The thermoelectric dehumidifier according to claim 5, wherein a control knob (11) for adjusting a power of the thermoelectric module (40) is installed at a top of the housing (10), and a control panel (12) is installed on the front panel (20).

### Claim 8 (depends on 3)

The thermoelectric dehumidifier according to claim 3, wherein an air inlet duct (16) is installed on the air inlet (15), the air inlet duct (16) is communicated with an air vent of the dryer; a plurality of first heat dissipation ports (14) and a plurality of second heat dissipation ports (19) are arranged, and the refrigeration metal plate (41) is an aluminum plate.

### Claim 9

A thermoelectric dehumidifier, comprising a housing (10) and a thermoelectric module (40); wherein:
a water tank (60) is detachably installed at a bottom of the housing (10);
a middle partition (13) is arranged in the housing (10), the thermoelectric module (40) is installed on the middle partition (13), a cold end of the thermoelectric module (40) is arranged on a front face of the middle partition (13), and a hot end of the thermoelectric module (40) is arranged on a back face of the middle partition (13); and
a windshield (50) is also arranged on the middle partition (13), the windshield (50) comprises an air inlet end (51) and an air blowing end (52) which are communicated, the air inlet end (51) faces the hot end of the thermoelectric module (40), the air blowing end faces the cold end of the thermoelectric module (40), and air from the air blowing end (52) blows to a surface of a refrigeration metal plate (41) of the thermoelectric module (40); and
wherein the windshield (50) comprises a semi-open cavity surrounded by a back plate (55), a top plate (54) and two side plates (53), a fixing frame (56) is arranged in a middle part of the windshield (50), the fixing frame (56) divides the semi-open cavity into the air inlet end (51) and the air blowing end (52), the air inlet end (51) is communicated with the air blowing end (52), and a plurality of installation pins (57) are arranged at a lower part of the fixing frame (56); and
the middle partition plate (13) is provided with a windshield installation groove (17), and the plurality of installation pins (57) are detachably inserted into the windshield installation groove (17).