Abstract: A portable air conditioner has a housing assembly and an operating unit including a refrigerant circulating system and an air guiding system both mounted in the housing assembly. The air guiding system has an air channel switching device and has an evaporating end fan and a condensing end fan both mounted in the air channel switching device. An operation mode switching method of the portable air conditioner has a cooling mode and a dehumidifying mode. In the dehumidifying mode, cool air drawn by the evaporating end fan flows through a condenser and is heated to become hot air and is discharged. Therefore, the portable air conditioner has both cooling function like an ordinary air conditioner and dehumidifying function like an ordinary dehumidifier.

Abstract: A dehumidifier comprises a main body and a main tank. The main body has a water collector, a secondary tank, a filtering assembly, and a water pump. The water collector has an exhaust hole. The secondary tank is located under the water collector and has a receiving hole aligned to the exhaust hole. The filtering assembly has a filter located between the exhaust hole and the receiving hole, and aligned to the exhaust hole. An area of the filter is bigger than an area of the exhaust hole. The water pump has a drawing opening communicating with the secondary tank and a draining opening communicating with the main tank. Thus, the water flowing out the exhaust hole will definitely pass through the filter before flowing into the secondary tank. Therefore, the filtering assembly prevents the water pump from drawing water with dusts and impurities and being damaged.

Abstract: A dehumidifier has a main body and a main tank. The main body has a secondary tank, a water pump, and a controlling assembly electrically connected to the water pump and having a starting position, a stopping position, and a float. The float is located in the secondary tank and is capable of moving with a water level inside the secondary tank. The controlling assembly controls the water pump to start or to stop according to the relative position between the float and the starting position or the stopping position. The main tank is detachably mounted on the main body, is located in a lateral side of the main body, and communicates with the water pump. With the controlling assembly, the water pump can be controlled to start only when necessary, thereby saving energy and reducing noises caused by prolonged running.

Abstract: A dehumidifier has a main body and a main tank. The main body has a secondary tank, a pump, and a retracting mechanism. A conduit portion of the retracting mechanism is mounted through and into the main tank, so the pump can draw water from the secondary tank and into the main tank. The main tank is mounted beside the main body and can be drawn upward to separate from the main body. The main tank has a first inclined surface. When the main tank is moved upward, the first inclined surface pushes the retracting mechanism, so the conduit portion retracts and is moved away from a moving path of the main tank when the main tank is being drawn upward. With the main tank mounted beside the main body, the main tank facilitates water pouring.

Abstract: An air conditioning device, which may be a dehumidifier or a movable air conditioner, has a main body and at least one concealed handle. Each concealed handle has a case, a cover, and a moving structure. The case has a finger accommodating space and a finger inserting opening communicating with each other. The movable cover is movably mounted in the finger inserting space in the case of the concealed handle, and thus the user's fingers can push to move the cover and then insert into the finger accommodating space to conveniently move or lift the main body. When not in use, the cover is pushed back by a resilient element of the moving structure, and then the cover is disposed in the finger inserting opening to cover the finger accommodating space, which enhances the aesthetic appeal and avoids dirt accumulation in the finger accommodating space.

Abstract: A quick release heat dissipation pipe assembly connected to a portable air conditioner and an opening of a window has a flexible heat dissipation pipe, a quick attachment collar, a quick release bushing and an adapter panel sequentially connected to one another. The quick release bushing is mounted quick detachably on the quick attachment collar. Therefore, the portable air conditioner may be attached to or detached from the opening of the window. The quick release heat dissipation pipe assembly excellently increases mobility of the portable air conditioner.

Abstract: A mobile air conditioner has a shell, a heat dissipation device, a sleeve, a sliding door, a air-discharge device and an air cooling assembly. The shell has an internal space and a vent, and the vent is on the top of the shell. The heat dissipation device has an inlet and an outlet. The sleeve is connected between the vent and the outlet. The sliding door is movably mounted in the shell and corresponds to the vent. The air-discharge device and the air cooling assembly are disposed in the internal space. Hot air inside the mobile air conditioner is upward dissipated from the vent.

Abstract: A draining unit of a water-seal connector has a first fixing base, a second fixing base, a first sealing component, a soft base, a third fixing base, a second sealing component, a connecting cover, and an adaptor component. The second fixing base is connected to the first fixing base and has a first gateway communicating with the first fixing base and a second connecting part formed on the second fixing base. The first sealing component is mounted through the second fixing base. The soft base aligns with the second connecting part. The third fixing base is held in the soft base. The second sealing component is mounted through the third fixing base. The connecting cover is mounted on the soft base. The adaptor component is mounted securely in the connecting cover and has an outer connecting part extending out of the connecting cover.

Abstract: A water tank has a container, a micro switch, a limiting assembly and a float. The float is mounted slidably in the container. The limiting assembly has an actuating rod that slides in a direction perpendicular to the sliding path of the float. An inclined guiding track is mounted between the float and the actuating rod to convert the moving direction. Since the actuating rod utilizes the movement to switch the micro switch on and off, the actuating rod and the micro switch need no abutting structures. Therefore, when the actuating rod is moved by an accidental force, the actuating rod self-moves back to its original position once the accidental force is removed. Then the micro switch is switched on again so that the household appliance is restarted without any extra acts by a user.

Abstract: A rotatable exhausting structure of a portable air conditioner has a housing and a connecting tube. The housing has through hole, and multiple holders and a resilient stop separately arranged around the through hole. The connecting tube has a flange formed on and around an outer surface of the connecting tube and held between the holders and the resilient stop of the housing, and is used to be connected to an exhausting pipe. Thus, the connecting tube is rotatable relative to the housing. When torque is caused in the exhausting pipe due to redirecting it, the connecting tube rotates accordingly. The exhausting pipe is not bent or twisted and keeps in good condition.

Abstract: A water tank has a container, a micro switch, a limiting assembly and a float. The float is mounted slidably in the container. The limiting assembly has an actuating rod that slides in a direction perpendicular to the sliding path of the float. An inclined guiding track is mounted between the float and the actuating rod to convert the moving direction. Since the actuating rod utilizes the movement to switch the micro switch on and off, the actuating rod and the micro switch need no abutting structures. Therefore, when the actuating rod is moved by an accidental force, the actuating rod self-moves back to its original position once the accidental force is removed. Then the micro switch is switched on again so that the household appliance is restarted without any extra acts by a user.

Abstract: A water tank is mounted in a household appliance and has a shell, a container, a float and a magnetic reed switch. The container is mounted slidably in the shell. The float is mounted pivotally in the container and has an actuating rod. The magnetic reed switch is mounted securely on the outside wall of the shell and corresponds to and separates from the actuating rod. Since the actuating rod utilizes magnetic force to switch the magnetic reed switch on and off, the actuating rod and the magnetic reed switch need no abutting structures. Therefore, when the actuating rod is pivoted by an accidental force, the actuating rod self-pivots back to the original position once the accidental force is removed. Then the magnetic reed switch is switched on again so that the household appliance is restarted without extra acts by a user.

Abstract: A draining device for air control equipment has a bottom shell, a top shell, a knob, a switch and a connecting device. The bottom and top shells are connected to each other. The top shell has two inclined recesses. The knob is mounted through the top shell and has two sliding protrusions mounted in the inclined recesses and two tabs. The switch is mounted in the bottom shell and has a button. The connecting device has a connecting tube, a flange and an end protrusion. The connecting tube is mounted through the top shell. The flange is formed around the connecting tube and is mounted across the tabs. The end protrusion abuts the button. When the knob is rotated, the sliding protrusions move along the inclined recesses to force the knob moving downward. Therefore, the end protrusion pushes the button to turn on the switch.

Abstract: A heater has an outer casing and at least one core assembly. An air inlet is formed through a rear surface of the outer casing. Two air outlets are formed respectively through two sides of the outer casing. Each core assembly is mounted in the outer casing and has at least one fan and two heating assemblies. Each fan draws air axially from the air inlet and blows air radially towards the air outlets. The heating assemblies are mounted respectively in the sides of the outer casing and correspond respectively to the air outlets. With such positioning of the air inlet and the air outlets of the outer casing, and with the fan drawing air axially and blowing air radially, the warm air blows out from both sides of the outer casing. Thus, convection speed is increased and ambient air temperature is warmed more effectively.

Abstract: A caster device with detachable casters for a portable dehumidifier has a base mounted on a bottom of the portable dehumidifier, multiple positioning assemblies formed on the base and multiple casters respectively and detachably mounted between the positioning assemblies. Therefore, the casters are easily attached to the base for use or detached from the base for clean, repair or replacement.

Abstract: A dehumidifier with multistage draining has a container that collects and stores condensed water from a dehumidifying assembly, a float mounted in the container, a float actuator connected to the float and a drain motor connected to the float actuator and an attachment actuator having a switch. When an external pipe is connected to the attachment connector to switch on the switch and the condensed water in the container gradually raises the float to switch on the float actuator, the drain motor is switched on to pump the condensed water out of the container. The dehumidifier automatically drains condensed water in the container according to the quantity of the condensed water, does not have to be cleared frequently and is convenient.