JP2001116285A - Air conditioner flush with ceiling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air-conditioner flush with ceiling that can simply protect and at the same time accurately mount a thermistor being mounted to an electrical part without using any thermistor protection members consisting of another member. SOLUTION: At the outside of a circumferential edge 12d of an electrical part 9, by a groove-shaped accommodation part 12 that is continuously formed by opening a bottom surface for projecting to the inside of a bellmouth and is equipped with an upper breather, and a cover part 13 that is continuously formed in an electrical cover 10 and is equipped with a lower ventilation hole for covering the opening part on the bottom surface of the accommodation part, a thermistor 8 and part of a leading cord 8a is accommodated for covering the opening part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-ceiling type air conditioner, and more particularly, to a thermistor which is attached to an electrical component and detects a temperature of intake air, and uses a thermistor protection member which is a separate member. The present invention relates to a structure that can be easily and easily protected without being attached, and can be accurately attached.

[0002]

2. Description of the Related Art A conventional ceiling-embedded air conditioner is provided, for example, as shown in FIGS. 1 and 5, provided at the center of the inside of a case body 1 having an opening at the bottom side and suspended and fixed in a ceiling. A blower 5; a bell mouth 7 provided on a lower suction side of the blower 5; a heat exchanger 6 disposed around the lower side and having a drain pan a at a lower portion; An electrical component comprising a middle plate continuously formed on the outer peripheral portion of the mouse 7, and an electrical cover 10 continuously formed in a box shape with an open bottom surface at one side lower portion of the middle plate, and covering an open portion of the bottom surface. 9, a decorative panel 4 provided at a lower portion of the middle plate and the electrical cover 10 and configured as a suction opening 2 facing the bell mouth 7 and provided with an outlet 3 around the suction grill. Attached to the electrical component 9 or the suction grille, And a thermistor 8 connected to the end of the drawer cord 8a to detect the temperature of the suction air protected by the protection network b.

[0005] However, the thermistor 8
As shown in the above, since it is configured to be attached to the electrical component 9 or the suction grille in a state protected by the thermistor protection net b made of another member, it is necessary to manufacture the thermistor protection net b individually. At the same time, there is a problem that the workability for attaching and disassembling the thermistor 8 is deteriorated.

[0004]

SUMMARY OF THE INVENTION In view of the above problems, in the present invention, a thermistor which is attached to an electrical component and detects the temperature of intake air can be easily protected without using a separate thermistor protection member. To be able to
It is another object of the present invention to provide a ceiling-mounted air conditioner that can be mounted accurately.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a blower provided at the center of the inside of a case main body having a bottom side opened and suspended and fixed in a ceiling, and a lower suction part of the blower. A bell mouth provided on the side, a heat exchanger provided around and provided with a drain pan at a lower portion, and a middle plate provided at a lower portion of the drain pan and formed continuously on an outer peripheral portion of the bell mouth. An electric part provided with an electric cover that is continuously formed in a box shape with an open bottom at one side lower part of the middle plate, and covers an open part of the same bottom, outside the periphery of the electric part, the bottom is opened to open the bottom. A groove-shaped housing portion continuously formed so as to protrude inside the bell mouth and provided with an upper ventilation hole for housing a part of a thermistor and a drawer cord thereof, and a groove-shaped housing portion formed continuously with the electric component cover, Below the opening to cover A cover portion provided with a vent, provided at a lower portion of the middle plate and the electrical cover, provided with a suction grill constituting a suction port facing the bell mouth, and a decorative panel having a blow-out opening around the periphery thereof; .

[0006] The upper vent of the accommodating portion is constituted by a first cross section tapered to face the blower, while the lower vent of the cover is opposed to the suction port. And it is the structure comprised by the 2nd crosspiece formed in the taper shape.

Further, a pair of holding claws for holding a part of the drawer cord or the thermistor are continuously formed in the housing portion.

[0008] Further, a plurality of the pair of holding claws are formed.

Further, a holding piece for pressing and holding a part of the drawer cord or the thermistor toward the bottom of the housing is formed continuously in the housing.

Further, a plurality of the holding pieces are formed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 is a cross-sectional view of a ceiling-embedded air conditioner according to the present invention, and FIG. 2 is an exploded perspective view showing a related member for mounting a thermistor for detecting a temperature of suction air from a suction port, and FIGS. 3
(B) is a bottom view showing a state where the accommodating portion is continuously formed on the electrical component so as to protrude inside the bell mouth,
As a result, a blower 5 provided at the center of the inside of the case main body 1 having its bottom side opened and suspended and fixed in the ceiling is provided.
And a bell mouth 7 provided on the lower suction side of the blower 5
A heat exchanger 6 disposed around and provided with a drain pan a at a lower portion; and a middle plate 7 ′ provided at a lower portion of the drain pan a and formed continuously on an outer peripheral portion of the bell mouth 7. Board
7 ', an electrical part 9 having an electrical cover 10 continuously formed in a box shape with an open bottom at one side lower part and covering an open part of the bottom, and a bottom surface outside the peripheral edge 12d of the electrical part 9; And a groove-shaped accommodation section 12 having an upper ventilation hole for accommodating the thermistor 8 and a part of the drawer cord 8a thereof, and formed continuously so as to protrude inside the bell mouth 7 and the electrical cover 10 And a cover part 13 provided with a lower ventilation hole for covering an opening on the bottom face of the housing part 12, and provided below the middle plate 7 ′ and the electrical cover 10 to face the bell mouth 7. And a decorative panel 4 provided with a suction grille constituting the suction port 2 and an outlet 3 around the suction grille.

As described above with reference to FIG. 2, the housing portion formed continuously with the electrical component portion 9 so that the thermistor 8 and a part of the drawer cord 8a protrude inside the bell mouth 7. 12, the opening of the accommodating portion 12 is configured to be covered by the cover portion 13 formed continuously with the electrical component cover 10, as in the prior art described above, Since it is not necessary to separately manufacture the thermistor protection net a, the structure is advantageous in terms of cost, and at the same time, the workability for mounting and disassembling the thermistor 8 is not reduced. Become.

The housing section 12 and the cover section 13
However, as described above with reference to FIG. 3 (A), the electrical component 9 and the electrical component cover 10 are continuously formed in a state where they protrude inside the bell mouth 7, respectively.
The thermistor 8 is configured to be mounted at a position where the temperature of the suction air passing through the bell mouth 7 can be accurately detected.

FIG. 3B is an enlarged view of the accommodating portion 12. The accommodating portion 12 is accommodated in the accommodating portion 12 so that the suction air flow from the suction port 2 can pass through the accommodating portion 12 smoothly. In order for the thermistor 8 to accurately detect the suction air temperature, as shown in FIG. 4 (B), the upper vent of the housing portion 12 is formed in a tapered shape facing the blower 5. On the other hand, the lower vent of the cover portion 13 is constituted by a second cross portion 13a which is formed in a tapered shape so as to face the inlet 2.

FIG. 3C shows the thermistor 8 accommodated in the accommodating portion 12 or a drawer cord connected thereto.
FIG. 9 is a cross-sectional view showing a pair of holding claws 12b continuously formed in the housing portion 12 to hold a part of the thermistor 8 or the pull-out cord in the housing portion 12;
8A shows a configuration in which the thermistor 8 or the drawer cord 8a can be more accurately held by forming a plurality of the pair of holding claws 12b. .

FIG. 3D shows the thermistor 8 accommodated in the accommodating portion 12 or a drawer cord connected thereto.
FIG. 9 is a cross-sectional view showing a holding piece 12c that presses and holds a part of 8a toward the bottom of the storage unit 12, wherein the thermistor 8 or the drawer is provided in the storage unit 12 at the bottom of the storage unit 12. This shows a configuration in which the cord 8a is pressed and held accurately, and by forming a plurality of the holding pieces 12c, the thermistor 8 or the drawer cord 8a can be held more accurately. Has become.

FIG. 4A is an enlarged perspective view of the electrical component 9 and a part thereof and the electrical component cover 10 and a part thereof. 12d, the electrical component 9
The peripheral edge 12d of FIG. 1 shows that the heat generated by the electrical components in the electrical component portion 9 can be shielded, and the thermistor 8 can accurately detect the temperature of the intake air from the intake port 2.

With the above configuration, FIG. 1, FIG. 2, and FIG.
(A) to FIG. 3 (D), FIG. 4 (A) and FIG. 4 (B)
As shown in the configuration, the thermistor 8 and a part of the drawer cord 8a are housed in the housing portion 12 formed continuously with the electrical component portion 9 so as to protrude inside the bell mouth 7, Since the opening of the accommodating portion 12 is configured to be covered by the cover portion 13 formed continuously with the electric device cover 10, the thermistor protection net a is provided as in the above-described conventional technology. Since there is no need to manufacture the air conditioner separately, the ceiling-mounted air conditioner has an advantageous structure in terms of cost and at the same time does not impair the workability for mounting and disassembling the thermistor 8. Becomes

[0019]

As described above, according to the present invention, the thermistor which is attached to the electrical component and detects the temperature of the intake air is provided by:
A ceiling-embedded air conditioner that can be easily protected without using a thermistor protection member made of a separate member and that can be accurately mounted.

[0020]

[Brief description of the drawings]

FIG. 1 is a sectional view of a ceiling-mounted air conditioner according to the present invention and a conventional example.

FIG. 2 is an exploded perspective view of a main part of the ceiling-mounted air conditioner according to the present invention.

FIG. 3 is an explanatory view of a main part of the ceiling-mounted air conditioner according to the present invention, wherein (A) is a bottom view, (B) is an enlarged view,
(C) is a cross-sectional view showing an example of the accommodation section of the thermistor, and (D) is a cross-sectional view showing another example.

FIG. 4 is an explanatory view of a main part of the ceiling-mounted air conditioner according to the present invention, in which (A) is an enlarged perspective view of an electric part and a part thereof, and an electric part cover and a part thereof;
(B) is sectional drawing which shows the 1st crosspiece and the 2nd crosspiece of an accommodating part.

FIG. 5 is an exploded perspective view of a main part of a ceiling-mounted air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 2 Suction port 3 Blow-off port 4 Decorative panel 5 Blower 6 Heat exchanger 7 Bell mouth 7 'Middle plate 8 Thermistor 8a Drawer cord 9 Electrical section 10 Electrical cover 11 Protection net 12 Housing section 12a First beam section 12b Clamping claw 12c Holding piece 12d Peripheral edge of electrical component 13 Cover 13a Second rail a Drain pan

Claims (6)

[Claims] 1. A blower provided at the center of the inside of a case main body having a bottom surface opened and suspended and fixed in a ceiling;
A bell mouth provided on the lower suction side of the blower, a heat exchanger provided around the lower end of the blower, and provided with a drain pan at a lower portion, and provided at a lower portion of the drain pan, and formed continuously on an outer peripheral portion of the bell mouth. A middle plate, an electrical unit having an electrical cover formed continuously in a box shape with the bottom surface opened at one side lower portion of the middle plate, and an electrical cover covering the open portion of the bottom surface; And a groove-shaped accommodation portion having an upper ventilation hole for accommodating a thermistor and a part of its drawer cord, which is continuously formed so as to protrude inside the bell mouth, and formed continuously with the electric component cover, A cover portion provided with a lower ventilation opening that covers an opening of the bottom surface of the housing portion, and a suction grill provided at a lower portion of the middle plate and the electrical equipment cover, and forming a suction opening facing the bell mouth, Outlet around it Ceiling embedded air conditioner, wherein a decorative panel having, in that it consists of. 2. An upper air vent of the housing portion is formed by a first bar portion formed to be tapered so as to face the blower, while a lower air hole of the cover portion faces the air inlet. The ceiling-embedded air conditioner according to claim 1, characterized in that the air conditioner is formed by a tapered second crosspiece. 3. The ceiling-embedded ceiling type according to claim 1, wherein a pair of holding claws for holding a part of the drawer cord or the thermistor are continuously formed in the housing portion. Air conditioner. 4. The ceiling-embedded air conditioner according to claim 3, wherein a plurality of said pair of holding claws are formed. 5. A holding part for continuously pressing and holding a part of the drawer cord or the thermistor toward the bottom of the housing part in the housing part. 2. The ceiling-mounted air conditioner according to 1. 6. The embedded ceiling air conditioner according to claim 5, wherein a plurality of the holding pieces are formed.