Abstract: The present application provides a heat exchange device.

Abstract: A light-emitting device including a casing with a light-transmitting port; a light source disposed inside the casing; and a casing cover disposed in the light-transmitting port. The casing cover having an outer peripheral cover portion with an opening; an inner peripheral cover portion located in the opening; a light-transmitting gap formed between the inner peripheral cover portion with the outer peripheral cover portion; and a connecting rib spanning the light-transmitting gap to connect the outer peripheral cover portion with the inner peripheral cover portion. The connecting rib includes a concave portion extending toward an inside of the casing and configured to allow light from the light source to pass through.

Abstract: A damper device and a total heat exchanger including the same are provided in the present application, including: a damper plate, including an air port cover plate, and a rotating shaft disposed at the air port cover plate and extending along a diameter direction of the air port cover plate; and a damper plate fixing base configured to fix the damper plate inside the damper plate fixing base and including a fixing groove formed opposite to the rotating shaft and configured to fix the rotating shaft, the fixing groove including a recess disposed opposite to the rotating shaft and formed by further being recessed from at least a part of the outer circumference of the fixing groove. According to the above technical solutions of the present application, the damper device can ensure performance without reducing the air volume under low temperature conditions, and can also suppress icing of the damper device.

Abstract: The present application provides a heat exchange device.

Abstract: The present disclosure provides an airway device. The airway device includes: a main housing provided with a suction port and a blow port; an air passage having a cylindrical shape, and having an inner circumferential surface defining an air flow path from the suction port to the blow port; and a lighting unit for illuminating the inner circumferential surface. The airway device can be used alone or together with blower and the like to form a ceiling mounted ventilation fan. Compared with the prior art, the ventilating fan device has the advantages of small air pressure loss, high ventilation efficiency, high lighting efficiency and convenient maintenance.

Abstract: A ventilating device including: a frame provided with an air inlet and an air outlet, an air blowing unit for directing air, a control circuit board for controlling the air blowing unit, an operation switch for adjusting a rotating speed of the air blowing unit, and a circuit board box for accommodating the control circuit board. The circuit board box includes: a first accommodating portion in which the operation switch is housed and a second accommodating portion in which the control circuit board is housed. The first accommodating portion includes: a first opening that functions as an operation port; and a panel for covering the first opening. The frame is provided with a second opening opposite to the first opening. The panel is exposed from the second opening to exterior of the frame. A sealing portion is provided around the first opening.

Abstract: A ventilating fan, includes a humidity sensor box, provided with an air inlet in a bottom surface facing an suction opening and an air outlet in a top surface opposite to the bottom surface; a humidity sensor located inside the humidity sensor box and adapted to detect the humidity of the air passing through the humidity sensor box; and a humidity sensor circuit board located inside the humidity sensor box, disposed perpendicular to the bottom surface and adapted to control the humidity sensor. The air may flow at a high speed in the humidity sensor box, and it is easy for the water vapor to be taken out of the humidity sensor box without being accumulated inside the humidity sensor box, thereby suppressing the influence of the water vapor or the water droplet on the humidity sensor and enabling the humidity sensor to accurately detect the indoor humidity.

Abstract: A total heat exchange device includes: a fan for the exhaust air path which directs air from an indoor exhaust port to an outdoor discharge port through an exhaust air path; another fan for intake air path which directs air from an outdoor suction port to an indoor intake port through an intake air path; and a heat exchange element for exchanging heat between air passing through the exhaust air path and air passing through the intake air path. Also included is a temperature detector for detecting an outdoor temperature and a controller configured to perform a heat exchange mode in which heat is exchanged between air passing through the exhaust air path and air passing through the intake air path or a defrosting mode in which frost on the heat exchange element is thawed, in accordance with the outdoor temperature detected by the temperature detector.

Abstract: A pipe shield of a ventilating apparatus is disposed at an outdoor side relative to a ventilating apparatus body disposed at an indoor side, and includes a pipe shield base and a rear cover. The pipe shield has an air inlet and an air outlet disposed perpendicular to each other. The pipe shield's rear cover has a left side plate, a right side plate and a rear side plate. The distance from the pipe shield base to the rear side plate of the rear cover opposite to the air inlet of the pipe shield increases in a direction towards the air outlet of the pipe shield. A baffle is disposed at the middle portion of the rear cover, and fixed within the pipe shield by a rotating shaft fixed on the left side plate and the right side plate, the rotating shaft has a spring enabling the baffle to unfold.

Abstract: A ventilating device includes: a frame formed with an external profile; an air inlet provided in the frame; an air outlet provided in the frame; an air blower for guiding air from the air inlet to the air outlet; a control circuit board connected to the air blower and configured to control operation of the air blower; and a circuit board box for housing the control circuit board; wherein the circuit board box comprises an integrally formed sensor storage unit for storing a sensor connected to the control circuit board and capable of sensing humidity or temperature. The ventilating device of the present disclosure may use less components, facilitate assembly and disassembly of components, and improve convenience in maintenance.

Abstract: A heat exchange device includes: a case, a fan provided inside the case and having a fan air outlet and a fan air inlet, a heat exchange element provided inside the case, a case air port formed in the case, and an adapter connected to the case air port at one end thereof, the adapter including more than one pipe connecting portions with different diameters, the pipe connecting portion closest to the case air port being a first pipe connecting portion, the pipe connecting portion farthest from case air port being a second pipe connecting portion; the diameter of the first pipe connecting portion is larger than the diameter of the second pipe connecting portion, and a thermal insulation component is provided in the adapter and has an air passage therein for passing air therethrough. The disclosure is advantageous in preventing occurrence of condensation and improving product safety.

Abstract: A ventilating device includes a frame forming an outer contour, an airflow path formed by a flowing of air inside the frame, and a plurality of orifices configured to measure a static pressure in a chamber where the airflow path is located, wherein at least one orifice of the plurality of orifices is further configured to drain water out of the frame. In the present disclosure, the orifice for static pressure measurement is provided in the air supply path and/or the air discharge path at a position where the dew is dominantly accumulated, the drainage function and the function of measuring the static pressure may be realized simultaneously, reducing the cost and ensuring air tightness.

Abstract: A ventilating fan includes a frame, a casing in which a fan motor is mounted, an adapter connected to an air outlet of the casing, a switch, and a junction box for connection of electric wires, where the frame has a bottom surface formed with an air inlet and a side surface provided with an air outlet, wherein any one of surfaces of the junction box is formed with an opening for mounting of the switch and the switch is fixed directly to the opening of the junction box. With the ventilating fan according to the embodiments of the present invention, although a switch is disposed, the cost is not increased and the area of an air path is not narrowed, and the switch can also be conveniently operated.

Abstract: A ceiling mounted ventilation fan includes a housing, a fan unit and lighting equipment installed in the housing. The housing including a first opening connected to an air outlet and communicating with a duct, and a second opening that communicates with a room interior. The lighting equipment includes an illumination unit, and a cover, that surrounds the illumination unit, and has a reflecting surface which reflects light from the illumination unit and guides the light into the room. The fan unit includes a fan and a casing positioned at a first position, spaced, from a second position that is above the second opening, the fan casing surrounding the fan and having an air inlet opening directed upwardly. Air is introduced through the second opening and through the air inlet into the fan unit and is discharged through into the duct by the fan unit.

Abstract: An adapter structure for a ventilating fan, including an adapter having an air inlet; an air guide structure having an air inlet, and a mounting structure for mounting the air guide structure within the adapter. The mounting structure includes a first portion provided at an outer side of a flange of the air inlet of the air guide structure and a second portion provided at an inner side of the adapter so that the mounting structure is positioned between the air inlet of the air guide structure and the air inlet of the adapter. With the adapter structure for a ventilating fan according to the present invention, the airflow amount is prevented from being reduced, and noise is reduced.

Abstract: The present disclosure provides an electrical function cassette having a waterproof function. The electrical function cassette includes: a function box for housing an electrical component, and a waterproof portion in a hollow rectangular parallelepiped shape, wherein a first surface of the waterproof portion is provided with a wiring opening corresponding to a wiring port, and a second surface of the waterproof portion adjacent to the first surface is provided with an insertion opening for inserting a lead wire into the electrical function cassette, such that water droplets cannot flow along the lead wire in a straight line into the electrical function cassette, thereby improving the safety and reliability of the whole product.

Abstract: A ventilator illumination device, including a light-emitting module for housing a light-emitting unit and a power box module for housing a power supply supplying direct current for the light-emitting unit, wherein an anti-reversal installation structure is provided on the light-emitting module and the power box module, the anti-reversal installation structure limiting the light-emitting unit to be installed only in a state that the light-emitting unit faces towards one predetermined direction. The illumination device is easy to install and prevents inversion of the light-emitting unit, thus ensuring proper brightness of the light irradiated by the light-emitting unit into the room.

Abstract: A ventilator includes an opening formed on a bottom surface, a rectangular frame provided with a flange, a volute provided with a fan motor inside, and a connector connected to an air outlet of the volute. Four side surfaces of the frame excluding the top surface and the bottom surface tilt towards the outer lower side in a direction from the top surface to the bottom surface, and the opening area of the bottom surface is larger than that of the top surface. The ventilator saves packaging and installation costs, and further facilitates installation between the roof and the ceiling.

Abstract: A ventilating fan, includes a housing having an opening at a bottom surface thereof, a casing disposed in the housing, fan blades and a motor disposed in the casing, and a wiring box fixed on the casing and composed of a box body and a cover. The wiring box is fixed on the casing through a fixing structure, the fixing structure includes a first fixing means and a second fixing means, and the first fixing means includes a screw fixing structure, and the second fixing means includes an engaging fixing structure. An advantage of the ventilating fan lies in that, while preventing a user from detaching the wiring box manually, the ventilating fan has reduced components and can simplify operating steps during fixing the wiring box on the casing, and is thereby less time consuming.

Abstract: A ceiling mounted airway device with illumination, which includes a main housing, a lamp and a lamp fixing part to detachably fix the lamp to an inner wall of the main housing. The main housing includes: a first opening for exhausting air out of the main housing; and a second opening for sucking air into the main housing. The lamp includes: an electrically conductive contact terminal located at an upper end of the lamp and electrically powered via the lamp fixing part; and a flange protruding from a surface of the lamp and located below the electrically conductive contact terminal. The device further includes a shield for supporting the flange which is substantially in form of a cylinder and surrounds the electrically conductive contact terminal and the lamp fixing part.