JP2014184369A - Dehumidifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a failure of an operation unit board of a dehumidifier.SOLUTION: In a dehumidifier: a part of a flow path 23 is defined by an integrally molded front case; an operation unit board 29 is provided below an operation unit 28 and between the operation unit 28 and the flow path 23; a heater 25 is located on the leeward of and above a blower fan 21; a heat-shielding plate 30 is placed on the wall surface, facing to the heater 25, of the flow path between the heater 25 and the operation unit board 29. Thus, the operation unit board, which is an electrical component sensitive to heat and located above the heater, is protected from heat, and air blow can be smoothly guided to an outlet 7 at the rear side of the operation unit.

Description

  The present invention relates to a structure of a dehumidifier having an auxiliary heater.

  Conventionally, in this type, a blower outlet is provided at the front end of the upper surface of the frame body, and a suction port is provided on the rear surface, and an evaporator, a condenser, a blower fan, and a heater are arranged between the suction port and the blower outlet. To form a refrigeration circuit by connecting the compressor, the evaporator, the condenser, and the like with a refrigerant pipe, and the air sucked from the suction port by the operation of the blower fan in the evaporator After cooling and dew condensation, heating was performed by the condenser, and the dry air was discharged from the outlet, and the decrease in the dehumidifying ability due to a decrease in room temperature during the winter period or the like was compensated by heating the heater. (For example, see Patent Document 1)

Japanese Patent Laid-Open No. 11-83118

  By the way, in this conventional thing, since the blower outlet is located right above the leeward side of the heater, the heat generated by the heater is discharged relatively smoothly upward, such as failure of the blower fan or filter Dust clogging caused the heat inside the dehumidifier to have a small impact on other parts and the frame, but as the dehumidifier became more compact, thinner and improved in operability, the air flow path became narrow and complicated. It was necessary to reduce the influence on the parts around the heater.

  The present invention pays attention to this point and solves the above-mentioned drawbacks. In particular, the frame is configured by forming a shell on the bottom plate with a front front case, a rear rear case, and a top plate covering the upper surface, and the top plate. An operating portion is provided at the front end of the air outlet, a suction port is provided on the back surface, an air outlet is provided from the rear side of the operating portion to the upper end of the back surface, and an evaporator, a condenser, and an air blower are provided between the air inlet and the air outlet. A fan and a heater are arranged to form a ventilation path, and a compressor, the evaporator, a condenser, and the like are connected by a refrigerant pipe to form a refrigeration circuit, and the air sucked from the suction port by the operation of the ventilation fan In a dehumidifier that cools in the evaporator and condenses, then heats in the condenser and discharges dry air from the outlet, and compensates for a decrease in dehumidification capacity due to a decrease in room temperature such as during the winter period by heating the heater. , Part of the ventilation path is integrated Formed in a molded front case, and provided with an operating portion base between the air flow path below the operating portion, and the heater is located above the leeward side of the blower fan, and the air flow between the heater and the operating portion base A heat shield is provided on the surface of the path wall facing the heater.

  According to this invention, the operation unit base is provided between the air flow path below the operation unit, the heater is positioned on the leeward side of the blower fan, and faces the heater on the wall of the air flow path between the heater and the operation unit base. By providing a heat shield on the surface, it protects the operating part base, which is an electrical component vulnerable to heat located above the heater, and can smoothly guide the air flow to the outlet provided behind the operating part. Is.

BRIEF DESCRIPTION OF THE DRAWINGS Sectional drawing of the side surface of the dehumidifier which shows one Example of this invention. Sectional drawing of the same front. The principal part expanded sectional view. The perspective view of the heat shield.

Next, an air conditioner according to the present invention will be described with reference to an embodiment shown in the drawings.
Reference numeral 1 denotes a frame of a dehumidifier. A front case 3 on the front, a rear case 4 on the back, and a top plate 5 covering the upper surface are provided on the bottom plate 2 to constitute an outer shell of the main body.
Reference numeral 6 denotes a suction port formed on the back surface of the frame 1, and the rear case 4 is provided with an opening having a number of horizontally long slits.

7 is an air outlet provided from the upper surface of the frame 1 to the upper part of the back surface, and can freely change the blowing direction of the dry air from the upper direction to the rear direction.
Inside the suction port 6 is provided with a filter 8 made of a resin net or non-woven fabric to remove dust mixed in the intake air. An evaporator 9 composed of a fin tube type heat exchanger is provided inside the filter 8, and moisture in the air is condensed to dehumidify by cooling the intake air.

  The outlet 7 is provided with a louver frame 10 that can freely change the angle of the blown air between the upper direction and the rear direction. The louver frame 10 is a U-shaped lower louver. 11 and an upper louver 13 that is substantially parallel to the lower surface 12 of the lower louver 11 and that engages the end portion with a distance of about 40 mm from the lower surface 12 to cover the upper portion.

  A pair of vertical pivot shafts 14 are provided on the left and right side surfaces of the louver frame 10, and the operation of the dehumidifier is stopped by a bearing portion (not shown) and a vertical louver motor (not shown) provided on the side surface of the air outlet 7. In some cases, the upper surface of the frame body 1 is substantially flat at the position in the blowing direction toward the rear side, and the louver frame body 10 is automatically rotated and blows dry air upward during a washing and drying operation or the like. is there.

Between the lower louver 11 and the upper louver 13, a flat left and right wind direction plate 15 is rotatably provided.
Reference numeral 16 denotes a left / right wind direction motor, which is screwed to the lower louver 11 while covering the left / right wind direction motor 16 with a motor cover that protects against water and dust. A motor shaft (not shown) is inserted into the rotation shaft of the first right and left wind direction plate 18 at the right end, and the first left and right wind direction plate 18 is rotated by the left and right wind direction motor 16.
The movement of the first left and right wind direction plate 18 is transmitted to the three left and right second left and right wind direction plates 19 by a connecting plate (not shown) to change the left and right wind direction to the wind direction desired by the user, Swing.

A condenser 20 comprising a fin tube type heat exchanger is provided downstream of the evaporator 9, and the air cooled by the evaporator 9 is heated.
A sirocco fan type blower fan 21 and a fan motor 22 for driving the fan 21 are provided downstream of the condenser 20 to blow air through a blower passage 23 formed between the suction port 6 and the blowout port 7. . The blower fan 21 forms a rotating shaft 24 substantially perpendicular to the front surface of the frame.

  A heater 25 composed of a sheathed heater is provided directly above the leeward side of the blower fan 21, and this heater 25 prevents the efficiency of dehumidification from being lowered due to low room temperature during clothes drying or in winter. Power consumption is about 400-500W.

  A casing 26 is provided between the front case 3 and the fan motor 22 so as to surround the blower fan 21 and guide the blown air to the blowout port 7. A stabilizer 27 is provided at the upper right side from the center of the casing 26. As shown by the arrows in FIG. 2, the air is blown toward the upward heater 25 and the air outlet 7.

  An operation unit 28 is provided at the front end of the top plate 5 and includes switches (not shown) such as operation switches and timer switches, and display units (not shown) such as operation lamps. A switch and a lamp are fixed below the back surface of 28, and an operation unit base 29 having a circuit configuration is provided. Since the operation unit base 29 is an electronic component, it is weak against heat and may cause a failure due to overheating.

  Reference numeral 30 denotes a sheet metal heat shield, which is provided with a bent portion 30a whose upper end is bent toward the casing 26 and semicircular claw-shaped bent portions 30b at two central left and right positions, and is attached to the center of the claw-shaped bent portion 30b. The curved portion 30a is hooked in a groove 26b provided in an inclined surface 26a provided with a hole 30c and opposed to the heater 25 of the casing 26 adjacent to the operation portion base 29, and a screw hole 26c formed in the inclined surface 26a. Attached with screws 31. Although the shielding plate 30 is inclined to guide the air flow toward the air outlet 7, the heat generated by the heater 25 does not affect the operation unit base 29 because it is directly above the heater 25 and is close to the distance. Insulate the heat.

A partition plate 32 is provided between the condenser 20 and the fan 21 and has a blower opening in the center in order to efficiently guide the air to the fan 21. A drain pan 33 for receiving condensed water is provided below the evaporator 9.
Reference numeral 34 denotes a drainage channel having one end connected to the bottom surface of the drain pan 33 and the other positioned at the upper portion of the drain tank 35, and guides the condensed water collected in the drain pan 33 to the drain tank 35. 36 is a U-shaped handle for transporting the dehumidifier, and is housed behind the upper surface of the dehumidifier. The handle 36 rotates when used and is positioned above the outlet 7 for transporting the dehumidifier.

  When the dehumidifier starts operation, the compressor 37 and the fan motor 22 are started, the evaporator 9 becomes low, the condenser 20 becomes high temperature, and the heater 25 is energized and heated depending on the operation mode and room temperature. The The indoor air sucked from the suction port 6 is cooled by the evaporator 9 and condensed, and the condensed water generated here is collected by the drain pan 33 and guided to the drain tank 35. The air that has passed through the evaporator 9 is heated by the condenser 20, passes through the blower fan 21, is further heated by the heater 25, and the dry air is blown out upward or backward from the outlet 7.

  As described above, the operation unit base 29 is provided between the air flow path 23 below the operation unit 28, the heater 25 is positioned on the leeward side of the blower fan 21, and the air flow path wall surface between the heater 25 and the operation unit base 29 is provided. By providing the heat shield plate 30 on the surface facing the heater 25, the operation part base 29, which is an electrical component vulnerable to heat, located above the heater 25 is protected, and the outlet provided behind the operation part 28 7 can smoothly guide the air flow.

DESCRIPTION OF SYMBOLS 1 Frame 6 Suction port 7 Air outlet 9 Evaporator 20 Condenser 21 Blower fan 23 Blower path 25 Heater 26 Casing 28 Operation part 29 Operation part base | substrate 30 Shielding board

Claims (1)

  The frame body is configured by a top plate that covers the front front case, the rear rear case, and the top surface on the bottom plate, and an operation portion is provided at the front end portion of the top plate, and a suction port is provided on the back surface. A blower outlet is provided from the rear side of the unit to the rear upper end, an evaporator, a condenser, a blower fan, and a heater are arranged between the suction port and the blower outlet to form a blower path, and the compressor and the evaporator, A condenser or the like is connected by a refrigerant pipe to form a refrigeration circuit, and the air sucked from the suction port by the operation of the blower fan is cooled and condensed by the evaporator, and then heated by the condenser and dried. In the dehumidifier that discharges air from the outlet and compensates for a decrease in dehumidification capacity due to a decrease in room temperature during the winter period or the like by heating the heater, a part of the blowing path is formed in an integrally formed front case, Between the air flow path below the operation unit Dehumidification characterized in that a working base is provided, the heater is located above the leeward side of the blower fan, and a heat shield is provided on a surface of the air passage wall surface between the heater and the operation base that faces the heater. Machine.

Images