JP2007271260A - Dehumidifier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dehumidifier capable of preventing air from leaking from a heater box, by simple structure, and capable of supplying efficiently radiation heat. <P>SOLUTION: This humidifier is provided with a heater wire 11 , a heater thermistor 12 of the first step protection device, and a temperature fuse 13 of the second step protection device, in a heater box 10, an opening part 10b is drawn in an inside of the heater box 10 to pass the heater wire 11, and an insulator 14 having a flange part 14a is provided in an outside of the heater box 10, and an insulation tube connected to the insulator 14 is further fixed while pressed by an insulation lock tie 16, and close contact and air tightness are enhanced thereby to provide the dehumidifier having an effect capable of preventing the leakage of air. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a desiccant-type dehumidifier for dehumidifying indoor air.

  Conventionally, this type of dehumidifier has been generally shown in FIGS.

  Hereinafter, the dehumidifier will be described with reference to the drawings.

  As shown in the figure, a dehumidification rotor 103 for adsorbing and desorbing moisture in the air rotated by the drive motor 102 and a heat generation unit 104 for heating the dehumidification rotor 103 are provided inside the main body 101. A heater wire 104a is provided. The dehumidifying rotor 103 heated by the heater wire 104a releases high-temperature and high-humidity air, and this high-temperature and high-humidity air generates condensed water when passing through the heat exchanger 105 and the sub heat exchanger 106, and this condensed water is It flows into the drain tank 109. In addition, a first blower fan 107 that ventilates air is provided in the closed circulation path a that returns from the dehumidification rotor 103 to the heat exchanger 105, the sub heat exchanger 106, and the heat generation unit 104. A second blower fan 108 is provided in the ventilation path b for discharging air.

  The heat generating unit 104 includes a heater box 104b which is an outer shell, a heater thermistor 110 which is a first-stage protection device for ensuring safety against an abnormal temperature rise inside, and a temperature fuse 111 which is a second-stage protection device. It has. The heater wire 104a is led out to the outside through a cylindrical insulator 112 inserted into the opening of the metal heater box 104b and covered with an insulating tube 113. In order to prevent a decrease in dehumidifying capacity due to air leakage from the heat generating unit 104, a silicon bond 114 is applied to the central hole portion of the insulator 112 and the end of the insulating tube 113. Further, the lead wire of the heater thermistor 110 and the like is led out from the heater box 104b, and the structure is the same, and a silicon bond is applied to the insulator and the insulating tube to prevent air leakage.

  In the heat generating unit used in such a conventional dehumidifier, in order to prevent a decrease in thermal efficiency, silicon bonds are applied to a plurality of holes of the heat generating unit in a subsequent operation, but the silicon bond is completely cured. It takes time to cure, it cannot be touched until it is cured, it is difficult to manage the coating amount, the cost of silicon bond itself is high, and there is a problem of using a high-cost material in a short simple operation In addition, it is required to prevent air leakage from the opening of the heater box or the central hole of the insulator.

  Also, the heater thermistor and temperature fuse for detecting abnormal temperatures are housed in the heater box, so workability is poor during installation and maintenance, and it is necessary to take measures against air leakage to pull out the lead wires from the heater box. Therefore, there is a demand for a structure in which an abnormal temperature detection component such as a heater thermistor can be easily attached and detached and no air leakage occurs after the attachment.

  The present invention solves such a conventional problem, is easy to assemble, and prevents air leakage from the opening portion of the heater box or the central hole portion of the insulator without cost, and also to the heater box. An object of the present invention is to provide a dehumidifier in which abnormal temperature detection means can be easily attached and detached and no air leakage occurs.

In order to achieve the above object, the dehumidifier of the present invention includes a dehumidification rotor that adsorbs moisture in the air, a drive motor that rotates the dehumidification rotor, and a heat generation unit that releases moisture from the dehumidification rotor. , a duct for returning the heat exchanger for condensing the high-temperature high-humidity air discharged from the dehumidifying rotor by the heating unit, a high-temperature high-humidity air passing through the heat exchanger before Symbol heating unit, the heating unit, dehumidification A first blower fan that closes and circulates air passing in the order of a rotor, a heat exchanger, and a duct, and dry air from an air outlet provided in the main body by cooling the heat exchanger and adsorbing moisture to the dehumidifying rotor And the heat generating unit includes a heater unit fixed in a heater box, and the heater box. An opening provided in the tube, a cylindrical insulator partially formed with a flange, a lead wire connected to a heater wire extending from the heater unit, and an insulation tube covering the heater wire and the lead wire The insulator is inserted into the opening portion and locked at the flange portion, and the heater wire and the lead wire are passed through the central hole portion of the cylindrical insulator, and the insulating tube One end is brought into contact with the insulator so as to cover the central hole portion, and the other end of the insulating tube is pressed against the lead wire by a fixture.

  ADVANTAGE OF THE INVENTION According to this invention, the dehumidifier which can prevent an air leak from the opening part of a heater box without an assembly being easy and costing is obtained.

  Another means is that a recess is formed at the other end of the insulator, and one end of the insulating tube is fitted into the recess.

  According to the present invention, it is possible to obtain a dehumidifier that is easy to assemble and can prevent air leakage from the insulator central hole without cost.

  The other means includes a dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heating unit that releases moisture from the dehumidification rotor, and the dehumidification rotor by the heating unit. A heat exchanger that condenses the high-temperature and high-humidity air released from the duct, a duct that returns the high-temperature and high-humidity air that has passed through the heat exchanger to the heat generating unit, and the order of the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct And a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidifying rotor and sends dry air from a blower outlet provided in the main body. And the heating unit includes a heater unit fixed in the heater box, and a temperature detection hole provided in the heater box. , An abnormal temperature detecting means provided in accordance with the said hole from the outside of the heater box, is provided with a fixing plate for clamping between the abnormal temperature detecting means outer surface of the heater box.

  According to the present invention, it is possible to obtain a dehumidifier in which an abnormal temperature detecting component can be easily attached to and detached from the heater box and no air leakage occurs.

According to the present invention, a dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heat generation unit that releases water from the dehumidification rotor, and the dehumidification rotor by the heat generation unit from a heat exchanger for condensing the emitted high-temperature high-humidity air, and a duct for returning before Symbol heating unit a high-temperature and high-humidity air passing through the heat exchanger, the heating unit, dehumidifying rotor, heat exchanger, ducts A first blower fan that closes and circulates air passing in sequence; a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidification rotor and sends dry air from a blower outlet provided in the main body; The heating unit includes a heater unit fixed in the heater box, an opening provided in the heater box, and a part thereof. A cylindrical insulator having a portion, a lead wire connected to a heater wire extending from the heater unit, and an insulating tube covering the heater wire and the lead wire, and the insulator is fitted into the opening portion Then, the insulator is locked with the flange, the heater wire and the lead wire are passed through the central hole portion of the cylindrical insulator, and one end of the insulating tube is covered with the central hole portion. The other end of the insulating tube is brought into pressure contact with the lead wire with a fixture, thereby improving the airtightness of the opening portion of the heater box and preventing air leakage, while maintaining the dehumidifying capacity. It is possible to provide a dehumidifier capable of reducing costs.

  In addition, a recess is formed at the other end of the insulator, and one end of the insulating tube is fitted into this recess, thereby improving the airtightness of the central hole of the insulator and preventing air leakage and maintaining the dehumidifying capacity. However, it is possible to provide a dehumidifier capable of reducing the manufacturing cost.

  Also, a dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heat generation unit that discharges water from the dehumidification rotor, and the heat generation unit that is released from the dehumidification rotor A heat exchanger that condenses high-temperature, high-humidity air, a duct that returns the high-temperature, high-humidity air that has passed through the heat exchanger to the heat generating unit, and air that passes in the order of the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct And a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidification rotor and sends dry air from a blower outlet provided in the main body. The heating unit includes a heater unit fixed in the heater box, a temperature detection hole provided in the heater box, and the heater unit. An abnormal temperature detection device provided to the heater box from the outside of the heater box, and a fixing plate for sandwiching the abnormal temperature detection device between the outer surface of the heater box, thereby providing an abnormal temperature detection device for the heater box. It is possible to provide a dehumidifier that can be easily attached and detached, and that is effective in preventing air leakage even with a simple mounting structure.

According to the first aspect of the present invention, a dehumidification rotor that adsorbs moisture in the air, a drive motor that rotates the dehumidification rotor, a heat generation unit that releases moisture from the dehumidification rotor, and the heat generation a duct for returning the heat exchanger for condensing the high-temperature high-humidity air discharged from the dehumidifying rotor, the high temperature and high humidity air having passed through the heat exchanger before Symbol heating unit by unit, the heating unit, dehumidifying rotor, heat A first blower fan that closes and circulates the air passing in the order of the exchanger and the duct, and cools the heat exchanger and adsorbs moisture to the dehumidifying rotor, and sends dry air from the outlet provided in the main body. A second blower fan, and the heat generating unit includes a heater unit fixed in the heater box and an opening provided in the heater box. An insulator tube covering the heater wire and the lead wire, and a lead wire connected to a heater wire extending from the heater unit. Is inserted into the opening portion and locked by the flange portion, and the heater wire and the lead wire are passed through the central hole portion of the cylindrical insulator, and one end of the insulating tube is connected to the central hole portion. The insulator is in contact with the insulator so as to cover the part, and the other end of the insulating tube is pressed against the lead wire with a fixture, and the heater box, the insulator, and the insulating tube are maintained in a pressure contact state with each other. Adhesiveness and airtightness are improved and air leakage can be prevented.

  Further, a recess is formed at the other end of the insulator, and one end of the insulating tube is fitted into the recess, and the adhesion and airtightness between the insulator and the insulating tube are further improved, thereby preventing air leakage. It has the action.

  Also, a dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heat generation unit that discharges water from the dehumidification rotor, and the heat generation unit that is released from the dehumidification rotor A heat exchanger that condenses high-temperature, high-humidity air, a duct that returns the high-temperature, high-humidity air that has passed through the heat exchanger to the heat generating unit, and air that passes in the order of the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct And a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidification rotor and sends dry air from a blower outlet provided in the main body. The heating unit includes a heater unit fixed in the heater box, a temperature detection hole provided in the heater box, and the heater unit. An abnormal temperature detecting means provided in accordance with the hole from the outside of the tar box, and a fixing plate for sandwiching the abnormal temperature detecting means between the outer surface of the heater box, and mounting of the abnormal temperature detecting means, Removal work is facilitated, and since there is no opening for leading out the lead wire, air leakage does not occur.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
The overall configuration of the present embodiment is almost the same as that of the conventional example, and the detailed description of the same configuration is omitted.

  As shown in FIGS. 1 to 3, a dehumidification rotor 2 that adsorbs moisture in the air, a drive motor 3, a heat generation unit 4, a heat exchanger 5, and high-temperature and high-humidity air are contained in the main body 1 as a heat generation unit. The duct 5a which returns to 4 is incorporated. The first air blowing fan 7 cools the heat exchanger 5 by the closed air circulation path a for closing and circulating the air passing in the order of the heat generating unit 4, the dehumidifying rotor 2, the heat exchanger 5, and the duct 6. In addition, an air passage b is formed in which moisture is adsorbed by the dehumidifying rotor 2 and dry air is sent out from the outlet. In the closed circulation air passage a, the condensed water generated in the heat exchanger 5 is stored in the drainage tank 9.

  In addition, a heater unit 11A in which a heater wire 11 is wound around a support plate is provided inside the heater box 10 of the heat generating unit 4. The heater box 10 is provided with an aperture portion 10b that is drawn on the inside for allowing the heater wire 11 to pass therethrough, and an insulator 14 having a central hole portion 14d at the center and a flange portion 14a on the outside is inserted into the aperture portion 10b. Then, the heater wire 11 is passed through the central hole portion 14d, led out from the heater box 10, and the lead wire 21 is connected to the tip of the heater wire 11 with a crimp terminal. The heater wire 11 and the lead wire 21 are covered with an insulating tube 15, one end of the insulating tube 15 is brought into contact with the surface of the insulator 14, and the insulation tie 16 is pressed against the other end of the insulating tube 15 while being wound around and fixed to the lead wire 21. ing.

  In the above configuration, the insulating tube 15 is restrained from moving by the insulation lock tie 16, so that the insulating tube 15 presses the insulator 14 against the heater box 10, and the surface 10 a of the heater box 10 and the flange portion of the insulator 14. 14a and the opening 10b of the heater box 10 and the side surface 14b of the insulator 14 are in close contact with each other, and air leakage can be prevented. That is, it is possible to prevent air from leaking from the opening 10b of the heater box 10 without using an expensive material that is easy to assemble, and to reduce the manufacturing cost while maintaining the dehumidifying capacity of the dehumidifying rotor 2. it can.

(Embodiment 2)
2-4, the cylindrical recessed part 17c is formed in the upper end surface of the collar part 17a of the insulator 17, and the internal diameter of the recessed part 17c has a dimensional relationship in which the end of the insulating tube 15 can be inserted. When the insulation lock tie 16 is secured, one end of the insulating tube 15 is in a state of being fitted into the recess 17 c of the insulator 17. A central hole 17d is opened at the bottom of the recess 17c at the center of the insulator 17.

  In the above configuration, the insulating tube 15 is fitted into the recess 17c and fixed by the insulation lock tie 16, thereby ensuring adhesion with the insulator 17. Therefore, the hot air in the heater box 10 that is about to leak from between the flange 17a of the insulator 17 and the insulating tube 15 through the central hole 17d of the insulator 17 is blocked by the insulating tube 15 fitted in the recess 17c of the insulator 17, It does not leak out of the heater box 10. Therefore, it is possible to prevent air in the heater box from leaking from the central hole portion 17d of the insulator 17 without using an expensive material that is easy to assemble, and reduce the manufacturing cost while maintaining the dehumidifying capacity of the dehumidifying rotor 2. be able to.

(Embodiment 3)
As shown in FIGS. 2, 3, and 5, the heater box 10 of the heating unit 4 has a long hole portion 18 having a size smaller than the outer shape of the thermal fuse 13 and a long hole having a size smaller than the outer shape of the heater thermistor 12. A portion 19 is formed. The thermal fuse 13 is placed from the outside of the heater box 10 along the long hole portion 18, the heater thermistor 12 is placed along the long hole portion 19, and further fixed by screwing with a fixing plate 20. . Further, the lead wires 13 a and 12 a of the temperature fuse 13 and the heater thermistor 12 can be directly connected outside the heater box 10.

  In the above configuration, the thermal fuse 13 is placed on the long hole portion 18, and the heater thermistor 12 is placed on the long hole portion 19, and is almost completely adhered to the fixing plate 20. Air leakage can be prevented. Also, the temperature fuse 13 and the heater thermistor 12 can be easily attached / detached only by attaching / detaching the fixing plate 20 from the outside of the heater box 10. Accordingly, the thermal fuse 13 and the like can be easily attached and detached, air can be prevented from leaking from the heater box 10 with a simple structure, and lead wire processing is also performed outside the heater box 10, so it is necessary to take measures against air leakage. Disappears.

Sectional drawing of the principal part of the heat generating unit of the dehumidifier of Example 1 of this invention Configuration diagram of dehumidifier of Examples 1-3 External view of heater box of Examples 1-3 Sectional drawing of the principal part of the heat generating unit of Example 2 External view of heater box before installation, such as thermal fuse of Example 3 Configuration diagram of conventional dehumidifier Internal plan view of the heat generation unit of the dehumidifier Cross section of the main part of the heat generating unit of the dehumidifier

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Dehumidification rotor 3 Drive motor 4 Heat generating unit 5 Heat exchanger 6 Duct 7 1st ventilation fan 8 2nd ventilation fan 10 Heater box 10b Opening part 11 Heater wire 11A Heater unit 12 Heater thermistor (abnormal temperature detection means)
13 Thermal fuse (abnormal temperature detection means)
14 insulator 14a flange 14d center hole 15 insulation tube 16 insulation lock tie (fixture)
17 insulator 17a flange 17c recess 17d central hole 18 long hole (hole)
19 Long hole (hole)
20 Fixing plate 21 Lead wire

Claims (3)

A dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heating unit that releases moisture from the dehumidification rotor, and a high temperature and high temperature that is released from the dehumidification rotor by the heating unit. The heat exchanger that condenses the humid air, the duct that returns the high-temperature and high-humidity air that has passed through the heat exchanger to the heat generating unit, and the air that passes in the order of the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct are closed. A first blower fan that circulates; and a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidifying rotor and sends dry air from a blower outlet provided in the main body, and the heat generating unit. Is a heater unit fixed in the heater box, an opening provided in the heater box, and a cylinder formed with a collar part in part. And a lead wire connected to the heater wire extending from the heater unit, and an insulating tube covering the heater wire and the lead wire, and the insulator is fitted into the opening portion and is attached to the flange portion. The heater wire and the lead wire are passed through a central hole portion of the cylindrical insulator, and one end of the insulating tube is brought into contact with the insulator so as to cover the central hole portion. The dehumidifier is characterized in that the other end of the insulating tube is pressed against the lead wire. The dehumidifier according to claim 1, wherein a recess is formed at the other end of the insulator, and one end of the insulating tube is fitted into the recess. A dehumidification rotor that adsorbs moisture in the air inside the main body, a drive motor that rotates the dehumidification rotor, a heating unit that releases moisture from the dehumidification rotor, and a high temperature and high temperature that is released from the dehumidification rotor by the heating unit. The heat exchanger that condenses the humid air, the duct that returns the high-temperature and high-humidity air that has passed through the heat exchanger to the heat generating unit, and the air that passes in the order of the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct are closed. A first blower fan that circulates; and a second blower fan that cools the heat exchanger and adsorbs moisture to the dehumidifying rotor and sends dry air from a blower outlet provided in the main body, and the heat generating unit. A heater unit fixed in the heater box, a temperature detection hole provided in the heater box, and the heater An abnormal temperature detecting means provided in accordance with the said hole from the outside of the box, dehumidifier comprising a fixing plate for clamping between the abnormal temperature detecting means outer surface of the heater box.

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