JPH09303911A - Holder of temperature sensor for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a manufacturing cost without increasing the number of component parts. SOLUTION: There is provided a main body 17 of a holder to be removable arranged to a heat exchanger 2 in an air conditioner while being oppositely faced against an air suction port of the air conditioner. One side edge of a cover 18 covering a temperature sensor 5 fixed to the main body 17 of the holder is integrally formed with the main body 17 of the holder through a thin-walled hinge and at the same time the other side edge of the cover 18 is removably engaged with the main body 17 of the holder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature detector holder for mounting a temperature detector on a heat exchanger so as to face an intake port of an air conditioner.

[0002]

2. Description of the Related Art Conventionally, in a separate type air conditioner including, for example, an indoor unit and an outdoor unit, a heat exchanger 2 is provided in a housing 1 of the indoor unit as shown in FIG. Bowl 2
The ventilation lid 4 is pivotably attached to the intake port 3 opened in the front plate portion 1a of the housing 1 so as to be openable and closable, and the temperature detector 5 for detecting the indoor temperature is provided behind the front plate portion 1a. It is provided via 6.

According to the above construction, the temperature detector 5 is hidden behind the front plate portion 1a when the ventilation lid 4 is opened (see the phantom line in FIG. 8) to perform maintenance such as cleaning of the filter. Therefore, the temperature sensor 5 is safe because it is not touched by a finger, but since the temperature sensor 5 is provided at a position apart from the intake port 3, it is difficult to accurately detect the indoor temperature. is there.

Therefore, as shown in phantom in FIG. 8, the temperature detector 5 is held in the holder 6 in the heat exchanger 2 so as to face the intake port 3.
It is carried out via the.

[0005]

In the above structure, the temperature detector 5 may be touched by the finger when the ventilation cover 4 is opened (see the phantom line in FIG. 8) and maintenance such as cleaning of the filter is performed. Yes, there is a problem with safety.

Therefore, a cover 7 covering the temperature detector 5 is attached to the holder 6, but since the cover 7 is used separately from the holder 6 in this case,
The number of parts increases correspondingly, and the manufacturing cost becomes high.

In view of the above-mentioned conventional drawbacks, it is an object of the present invention to provide a temperature detector holder for an air conditioner which can reduce the manufacturing cost without increasing the number of parts.

[0008]

In order to achieve the above object, the invention according to claim 1 is a holder main body which is detachably attached to a heat exchanger in an air conditioner so as to face an intake port of the air conditioner. And a cover for covering the temperature detector attached to the holder body is formed integrally with the holder body.

In the above structure, since the temperature detector is covered with the cover when maintenance is performed by opening the intake port, the temperature detector is not touched by a finger, which is safe.

In this case, since the cover covering the temperature detector is formed integrally with the holder main body, the number of parts does not increase and the manufacturing cost can be reduced.

According to a second aspect of the present invention, in the first aspect of the present invention, one side edge of the cover is integrally formed with the holder main body through a thin hinge, and the other side edge of the cover is the holder main body. It is characterized in that it is engaged with and disengaged from.

According to the above construction, the temperature detector attached to the holder body by the cover is locked by locking the other side edge of the cover to the holder body only by rotating the cover about the thin hinge. It can be surely protected.

According to a third aspect of the present invention, in the second aspect of the invention, a protrusion is provided on the other side edge of the cover.
The holder main body is formed with a locking portion for locking the protrusion in a disengageable manner.

According to the above construction, the protrusion protruding from the other side edge of the cover can be easily locked to the locking portion of the holder body only by rotating the cover around the thin hinge. it can.

The invention of claim 4 is characterized in that, in the invention of any one of claims 1 to 3, vent holes are formed in the cover and the holder body.

According to the above construction, since the cover and the holder main body are formed with the ventilation holes, the ventilation inside the cover is good, and the temperature can be accurately detected by the temperature detector.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the holder body is
An insertion piece that is inserted between the fins of the heat exchanger is integrally formed, and the insertion piece is formed with a fitting recess that is removably fitted into the refrigerant flow pipe of the heat exchanger. .

According to the above structure, the holder main body can be formed by inserting the insertion piece between the fins of the heat exchanger and fitting the fitting recess formed in the insertion piece into the refrigerant flow pipe of the heat exchanger. It can be easily mounted at the desired position on the heat exchanger.

According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the insertion piece is formed with a plurality of fitting recesses that are removably fitted into the refrigerant flow pipe. One of them has a circular shape having substantially the same width as the outer diameter of the refrigerant distribution pipe, and the remaining fitting recess has an oval shape having a width wider than the outer diameter of the refrigerant distribution pipe. There is.

According to the above construction, by fitting the plurality of fitting recesses formed in the insertion piece into the plurality of linear pipe portions of the refrigerant distribution pipe, the holder body can be reliably placed at a desired position on the heat exchanger. Can be installed.

Further, one of the fitting recesses has a circular shape having substantially the same width as the outer diameter of the refrigerant distribution pipe, and the remaining fitting recesses have a width wider than the outer diameter of the refrigerant distribution pipe. Since it has a circular shape, the heat exchanger having a narrow space between the straight pipe portions parallel to each other of the refrigerant flow pipe or the heat exchanger having a wide space therebetween can be fitted to the straight pipe portions parallel to each other. The mating recess can be fitted.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a heat exchanger in which a temperature detector holder 16 according to an embodiment of the present invention faces a suction port 3 (see FIG. 8) formed in a housing 1 of an indoor unit of an air conditioner. The temperature detector holder 16 has a holder body 17 detachably attached to the heat exchanger 2 and is made of an elastically deformable synthetic resin material. One side edge of the cover 18 that covers the temperature detector 5 attached to the holder 17 is integrally formed on one side edge of the holder body 17 via a thin hinge 19.

In the above structure, since the temperature detector 5 is covered by the cover 18 when the intake port 3 is opened for maintenance, the temperature detector 5 is safe because no finger touches the temperature detector 5. .

In this case, the cover 18 is the holder body 17
Since it is integrally formed in the, the number of parts does not increase and the manufacturing cost can be reduced.

The heat exchanger 2 is composed of a large number of fins 2a arranged in parallel with each other, and a refrigerant flow pipe 2b penetrating the fins 2a and arranged in a meandering shape.

As shown in FIG. 4, the holder body 17 has a substantially L-shaped front view and a rectangular substrate portion 17a.
And a projecting plate part 17b projecting from the other side edge of the board part 17a in a direction orthogonal to the longitudinal direction of the board part 17a, and a frame part 17c integrally projecting on the lower surface of the board part 17a and a projecting plate. Lower part 17 bent downward from the tip of part 17b
The holder body 17 can be stably positioned on the heat exchanger 2 by bringing d and the fin 2a into contact with each other (see FIG. 3).

As shown in FIGS. 5 and 6, the substrate portion 1
A locking portion 20 for locking the lead wire 5a of the temperature detector 5 is provided on the upper surface of 7a.
a pair of locking pieces 20a, which are erected at a predetermined interval on a,
20b and a plurality of poles 20c, 20d standing upright at appropriate intervals between the locking pieces 20a, 20b, and a gap having a width substantially the same as the width of the lead wire 5a between the locking pieces 20a, 20b. α is formed, and the lead wire 5a is hooked on each of the poles 20c and 20d so that each of the locking pieces 20a and 20d is hooked.
By pushing the lead wire 5a into the gap α of b, the lead wire 5a is locked to the locking portion 20 in a meandering manner (FIG. 6).
reference).

According to the above construction, since the lead wire 5a is firmly locked to the locking portion 20, even if the lead wire 5a is unexpectedly pulled during assembly work or maintenance, the pulling force of the lead wire 5a is used for temperature detection. The connection portion between the container 5 and the lead wire 5a does not get caught, and the connection portion can be prevented from being broken.

As shown in FIGS. 5 and 6, the substrate portion 17a
Protective pieces 21 are provided so as to take in the temperature detector 5 at the other end edge and the center of the upper end so that a tool or the like does not accidentally hit the temperature detector 5 on the board portion 17a.

As shown in FIG. 4, the other side edge portion of the base plate portion 17a is partially bent upward to form a pair of protrusions 22, and the cover 18 faces the protrusions 22. A concave groove 23 is formed on the other side edge, and the cover 18 is hinged 1
By pivoting about 9, the concave groove 23 is fitted into each protruding portion 22, and the other side edge of the cover 18 is attached to the substrate portion 17a.
Can be brought into contact with the upper surface of the substrate (see FIG. 3), whereby the temperature detector 5 on the substrate portion 17a can be reliably covered with the cover 18.

As shown in FIG. 4, a pair of protrusions 24 are formed on the bottom surface of the concave groove 23 so as to face the protrusions 22, and the protrusions face the protrusions 24. An engaging hole (engaging portion) 25 is formed in the groove 22, the tip of each of the protrusions 24 is formed in a triangular shape, and the base end of the triangular tip is engaged with the side edge of the engaging hole 25. Possible recess 24
a is formed.

In the above structure, the cover 18 is attached to the hinge 1.
By simply rotating about 9, the respective protrusions 24 are fitted into the locking holes 25, and the recessed step portions 24a of the respective protrusions 24 are formed.
Can be engaged with the side edge of the locking hole 25 to easily lock each protrusion 24 in the locking hole 25 of the holder body 17 (see FIG. 7). In FIG. 4, reference numeral 26 denotes a support piece that is erected on the board portion 17a and that supports the other side edge of the cover 18 from the back surface side in a state where each protrusion 24 is locked in the locking hole 25. Is.

As shown in FIGS. 4 and 5, the cover 1
A pressing plate 27 is integrally formed on the back surface of the cover 8 along the longitudinal direction of the cover 18 at predetermined intervals. The pressing plates 27 displace the temperature detector 5 and the lead wire 5a on the substrate portion 17a. It is something that you hold down.

As shown in FIG. 4, since the vent holes 28 are formed in the substrate portion 17a and the cover 18, the cover 1
8 has good air permeability, and the temperature detector 5 can accurately detect the temperature.

As shown in FIGS. 2 and 3, the substrate portion 1
An insertion piece 29 that is inserted between the fins 2a is integrally formed from one end edge of the 7a to the protruding plate portion 17b.
9 is formed with a fitting concave portion 30 which is fitted into the refrigerant flow pipe 2b so as to be fittable and removable. Although one fitting recess 30 may be provided, two fitting recesses 30 are formed in this embodiment.

According to the above construction, the insertion piece 29 is attached to the fin 2
The holder body 17 can be attached to a desired position on the heat exchanger 2 by simply inserting the holder body 17 between the a and inserting the fitting recesses 30 of the insertion piece 29 into the linear pipe portions of the refrigerant flow pipe 2b. it can.

As shown in FIG. 2, one fitting recess 30 has a circular shape having substantially the same width L1 as the outer diameter of the refrigerant distribution pipe 2b, and the other fitting recess 30 has the outer diameter of the refrigerant distribution pipe 2b. It has an elliptical shape with a width L2 wider than the width.

According to the above construction, the interval between the straight pipe portions of the refrigerant flow pipe 2b parallel to each other is narrow (H
1) In both the heat exchanger 2 and the heat exchanger 2 having a wide space (H2), the fitting recesses 30 can be fitted in the straight pipe portions that are parallel to each other.

In the above embodiment, the indoor unit of the separate type air conditioner has been described as an example, but the present invention is not limited to this. For example, an integrated type air conditioner in which an indoor unit and an outdoor unit are integrated. It can also be applied to the temperature sensor holder attached to the machine.

[0040]

According to the first aspect of the present invention, since the cover covering the temperature detector is formed integrally with the holder body, the number of parts does not increase and the manufacturing cost can be reduced.

According to the second aspect of the present invention, the cover is attached to the holder main body by locking the other side edge of the cover with the holder main body only by rotating the cover about the thin hinge. The temperature sensor can be reliably protected.

According to the third aspect of the present invention, the protrusion protruding from the other side edge of the cover can be easily engaged with the engaging portion of the holder body only by rotating the cover around the thin hinge. You can stop.

According to the fourth aspect of the present invention, since the cover and the holder main body are provided with the vent holes, the air permeability in the cover is good, and the temperature can be accurately detected by the temperature detector.

According to the fifth aspect of the present invention, the insertion piece is inserted between the fins of the heat exchanger, and the fitting recess formed in the insertion piece is simply fitted into the refrigerant flow pipe of the heat exchanger. ,
The holder body can be easily attached at a desired position on the heat exchanger.

According to the sixth aspect of the present invention, the holder main body is placed at a desired position on the heat exchanger by fitting the plurality of fitting recesses formed in the insertion piece into the plurality of linear pipe portions of the refrigerant flow pipe. Can be securely attached to.

Further, one of the fitting recesses has a circular shape having substantially the same width as the outer diameter of the refrigerant distribution pipe, and the remaining fitting recesses have a width wider than the outer diameter of the refrigerant distribution pipe. Since it has a circular shape, the heat exchanger having a narrow space between the straight pipe portions parallel to each other of the refrigerant flow pipe or the heat exchanger having a wide space therebetween can be fitted to the straight pipe portions parallel to each other. The mating recess can be fitted.

[Brief description of drawings]

FIG. 1 is a front view showing a state in which a temperature detector holder according to an embodiment of the present invention is attached to a heat exchanger.

FIG. 2 is a side view of the same.

FIG. 3 is a bottom view of the same.

FIG. 4 is a perspective view of the temperature detector holder.

FIG. 5 is a longitudinal sectional view of the same.

FIG. 6 is a horizontal sectional view of the same.

FIG. 7 is an enlarged cross-sectional view of the same.

FIG. 8 is a perspective view showing a conventional example.

[Explanation of symbols]

 2 Heat Exchanger 2a Fin 2b Refrigerant Flow Pipe 3 Intake Port 5 Temperature Detector 16 Temperature Detector Holder 17 Holder Body 18 Cover 19 Hinge 24 Protrusion 25 Locking Hole (Locking Part) 28 Vent Hole 29 Inserting Piece 30 Fitting Recess

Claims (6)

[Claims] 1. A holder main body that is detachably attached to a heat exchanger in the air conditioner, facing a suction port of the air conditioner, and a cover covering the temperature detector attached to the holder main body. A temperature detector holder for an air conditioner, which is formed integrally with the holder body. 2. One side edge of the cover is integrally formed with the holder main body via a thin hinge, and the other side edge of the cover is detachably engaged with the holder main body. The temperature detector holder for an air conditioner according to claim 1. 3. A protrusion is provided on the other side edge of the cover, and a locking portion is formed on the holder main body for locking the protrusion in a disengageable manner. Item 2. A temperature detector holder for an air conditioner according to Item 2. 4. The temperature detector holder for an air conditioner according to claim 1, wherein ventilation holes are formed in the cover and the holder body. 5. The holder body is integrally formed with an insertion piece that is inserted between fins of a heat exchanger, and the fitting recess is fitted into the refrigerant flow pipe of the heat exchanger so as to be removably fitted to the insertion piece. The temperature detector holder for an air conditioner according to any one of claims 1 to 4, wherein: 6. The insertion piece is formed with a plurality of fitting recesses that are removably fitted into the refrigerant flow pipe, and one of the fitting recesses is substantially the same as the outer diameter of the refrigerant flow pipe. The temperature detector for an air conditioner according to claim 5, wherein the temperature detector has an equal width, and the rest of the fitting recesses has an oval shape wider than the outer diameter of the refrigerant flow pipe. holder.