JP2008014525A - Temperature sensor fixing device for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner of high quality by preventing erroneous temperature detection by holding a temperature sensor with a simple structure. <P>SOLUTION: This temperature sensor fixing device 1 is provided with a box portion 5 having an opening face 3 on its one face, and having plural communication holes 2 at least on the other two faces, and a main body fixing portion 4 formed on one end of the box portion opening face 3 and connected with the other component, and further a temperature sensor fixing face 8 having a temperature sensor fixing groove 6, and a thin portion 9 for connecting the box portion opening face 3 and the temperature sensor fixing face 8 are formed on the other one end on the same plane. Further a thermosensitive portion holding plate 16 having a thermosensitive portion holding groove 15 for holding an electric wire 12 near a thermosensitive portion 11 of a temperature sensor 10 is formed on the temperature sensor fixing face 8. The electric wire 12 of the temperature sensor 10 is provided with a protective tube 17. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a temperature sensor fixing device for an air conditioner.

  Conventionally, in this type of fixing device, a box part for housing the thermosensitive part of the temperature sensor and a temperature sensor fixing surface for fixing the thermosensitive part of the temperature sensor are integrally formed with a resin material, There has been a structure in which the heat sensitive part of the temperature sensor is housed in a box part by folding the temperature sensor fixing surface (for example, see Patent Document 1).

9 and 10 are perspective views of a conventional temperature sensor fixing device for an air conditioner described in Patent Document 1. FIG. As shown in FIGS. 9 and 10, the temperature sensor fixing device 1 includes a communication hole 2, an opening surface 3, a box portion 5 having a main body fixing portion 4, and a temperature sensor fixing surface having a temperature sensor fixing groove 6 and a main body fixing portion 7. 8 and the thin portion 9 that connects the box portion 5 and the temperature sensor fixing surface 8 are integrally formed. After inserting the electric wire 12 near the heat sensitive portion 11 of the temperature sensor 10 into the temperature sensor fixing groove 6, The temperature sensor fixing surface 8 is folded back at the thin portion 9 with respect to the box portion 5 and inserted between the refrigerant pipes 14 of the heat exchanger 13 for use.
JP-A-11-159840

  However, in the conventional configuration, the electric wire 12 of the temperature sensor 10 may be damaged by contact with the end surfaces of the fins and end plates of the heat exchanger 13, and a protective tube is often installed on the electric wire 12. When the protective tube is installed before the temperature sensor fixing groove 6, the exposed portion of the electric wire 12 remains and cannot be reliably protected, and when the protective tube is inserted into the temperature sensor fixing groove 6 and installed. However, it is difficult to hold the heat sensitive part 11 of the temperature sensor 10 at the optimum position, and there is a problem that the air temperature may not be accurately detected by contacting the box part 5.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a temperature sensor fixing device for an air conditioner that can protect a temperature sensor with a simple structure and prevent erroneous temperature detection.

In order to solve the above-mentioned conventional problems, the temperature sensor fixing device for an air conditioner according to the present invention is provided with a heat sensitive part holding portion in addition to the conventional temperature sensor fixing device, and a protective tube is inserted and installed in the temperature sensor fixing groove. Furthermore, the electric wire in the vicinity of the heat sensitive part of the temperature sensor is arranged on a heat sensitive part holding plate having a heat sensitive part holding groove.
As a result, the temperature sensor fixing device of the air conditioner can protect the temperature sensor with a simple structure, hold the heat sensitive part at the optimum position, and prevent erroneous temperature detection.

  INDUSTRIAL APPLICABILITY The temperature sensor fixing device for an air conditioner according to the present invention can protect the temperature sensor with a simple structure and prevent erroneous temperature detection, and can provide a user with a better quality air conditioner at a low cost.

The first invention is a box portion formed by providing an opening surface on one surface and a plurality of communication holes on at least two other surfaces, and another part connected to one end of the box portion opening surface. A temperature sensor fixing surface having a temperature sensor fixing groove and a thin wall portion connecting the box opening surface and the temperature sensor fixing surface are provided at the other end on the same surface. A heat sensitive part holding plate having a heat sensitive part holding groove for holding an electric wire in the vicinity of the heat sensitive part of the temperature sensor is formed on the sensor fixing surface, and the temperature sensor fixing surface is folded by 180 ° with respect to the box opening surface. The temperature sensor can be housed in a box, and a protective tube installed on the temperature sensor wire is inserted into the temperature sensor fixing groove to install the temperature sensor with a simple structure without impairing the air temperature sensing function. Protect and heat sensitive part And held in the optimum position to prevent a temperature erroneous detection, it is possible to provide a highly reliable air conditioner.

  In particular, according to the second aspect of the present invention, when a part of the main body fixing portion is formed on the temperature sensor fixing surface in the first invention and the temperature sensor fixing surface is folded back 180 ° with respect to the opening surface of the box portion, By being configured to be formed, the completed state can be maintained as long as the temperature sensor fixing device is inserted into the heat exchanger, and the temperature sensor can be protected more reliably.

  According to the third aspect of the invention, in particular, the temperature sensor is fixed by providing a fixing claw and a fixing hole for closely holding the temperature sensor fixing surface folded back in the first or second invention and the opening surface of the box portion. Even when the apparatus is not inserted into the heat exchanger, the completed state can be maintained, so that the protection during the assembling operation can be further ensured and the assembling operation can be facilitated.

  In the fourth invention, in particular, the electric wire holding plate which is close to the side where the heat sensitive portion of the heat sensitive portion holding plate is not disposed when being folded back in the first, second or third invention and covers a part of the heat sensitive portion holding groove. Is installed in the box part, and the heat sensitive part of the temperature sensor can be more securely held at the optimum position and erroneous temperature detection can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a perspective view of a temperature sensor fixing device for an air conditioner according to the first embodiment of the present invention. FIG. 2 is a completed temperature sensor fixing device for an air conditioner according to the first embodiment of the present invention. It is a perspective view which shows a state. 1 and 2, the same components as those in FIGS. 7 and 8 of the prior art are denoted by the same reference numerals, and the description thereof is omitted.

  1 and 2, the temperature sensor fixing device 1 has a box portion 5 formed by providing an opening surface 3 on one surface and a plurality of communication holes 2 on at least the other two surfaces, A main body fixing portion 4 connected to other components is formed at one end, and a temperature sensor fixing surface 8 having a temperature sensor fixing groove 6 at the other end on the same surface, the box opening surface 3 and the temperature sensor fixing surface 8. And a heat sensitive part holding plate 16 having a heat sensitive part holding groove 15 for holding the electric wire 12 in the vicinity of the heat sensitive part 11 of the temperature sensor 10 is formed on the temperature sensor fixing surface 8. A protective tube 17 is installed on the electric wire 12 of the temperature sensor 10.

  About the temperature sensor fixing device of the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

First, in the temperature sensor 10, the electric wire 12 in the vicinity of the heat sensitive portion 11 is inserted and installed in the heat sensitive portion holding groove 15, and the portion where the protective tube 17 of the electric wire 12 is installed is inserted and installed in the temperature sensor fixing groove 6. Further, the end surface on the heat sensitive part side of the protective tube 17 is disposed between the temperature sensor fixing groove 6 and the heat sensitive part holding groove 15. Next, the thermosensitive part 11 of the temperature sensor 10 is accommodated in the box part 5 by folding the temperature sensor fixing surface 8 180 degrees with respect to the box part opening face 3. Furthermore, the temperature sensor fixing device 1 is disposed in the air conditioner by inserting the main body fixing portion 4 between the refrigerant pipes 14 of the heat exchanger 13. In the vicinity of the heat exchanger 13, there are many parts such as the fins 18 and the end plates 19 that are damaged by the contact of the electric wires 12 of the temperature sensor 10. However, since there are no parts exposed from the protective tube 17, it can be reliably protected.

  In the present embodiment, the communication hole 2 formed in the box part 5 is a rectangular hole having at least one side of 3 mm or less, and the heat-sensitive part 11 of the temperature sensor 10 does not penetrate the communication hole 2. The communication hole 2 may be formed in a circular shape or the like as long as the shape is smaller than the heat-sensitive part 11.

  As described above, in the present embodiment, the temperature sensor fixing device is provided with an opening surface on one surface and a plurality of communication holes on at least two other surfaces, and one end of the box opening surface. A temperature sensor fixing surface having a temperature sensor fixing groove at the other end on the same surface, and a thin wall portion connecting the box opening surface and the temperature sensor fixing surface. And a thermosensitive part holding plate having a thermosensitive part holding groove for holding an electric wire in the vicinity of the thermosensitive part of the temperature sensor is formed on the temperature sensor fixing surface, and the temperature sensor fixing surface is 180 ° relative to the box opening surface. By folding the temperature sensor so that the heat sensitive part is housed in the box part, the temperature sensor is protected with a simple structure without losing the function of sensing the air temperature, and the heat sensitive part is held in the optimum position. Prevents false temperature detection and It is possible to provide a highly sexual air conditioner.

(Embodiment 2)
FIG. 3 is a perspective view of a temperature sensor fixing device for an air conditioner according to a second embodiment of the present invention, and FIG. 4 is a completed temperature sensor fixing device for an air conditioner according to a second embodiment of the present invention. It is a perspective view which shows a state. 3 and 4, the same components as those in FIGS. 1, 2, 9, and 10 are denoted by the same reference numerals, and description thereof is omitted.

  3 and 4, in the temperature sensor fixing device 1, a part 4a of the main body fixing portion is formed on the temperature sensor fixing surface 8, and the temperature sensor fixing surface 8 is folded back by 180 ° with respect to the box opening surface 3. The main body fixing part 4 is sometimes formed.

  In the temperature sensor fixing device of the air conditioner configured as described above, the completed state can be maintained as long as the main body fixing portions 4 and 4a are inserted between the refrigerant pipes 14 of the heat exchanger 13, The temperature sensor 10 can be protected more reliably.

  As described above, in the present embodiment, when the temperature sensor fixing device forms a part of the main body fixing portion on the temperature sensor fixing surface, and the temperature sensor fixing surface is folded back by 180 ° with respect to the opening portion of the box portion. By configuring so that the main body fixing part is formed, as long as the temperature sensor fixing device is inserted into the heat exchanger, the completed state can be maintained, and the temperature sensor can be protected more reliably and reliability. A high air conditioner can be provided.

(Embodiment 3)
FIG. 5 is a perspective view of a temperature sensor fixing device for an air conditioner according to a third embodiment of the present invention, and FIG. 6 is a completed temperature sensor fixing device for an air conditioner according to a third embodiment of the present invention. It is a perspective view which shows a state. 5 and 6, the same components as those in FIGS. 1, 2, 3, 4, 9, and 10 are denoted by the same reference numerals, and description thereof is omitted.
5 and 6, the temperature sensor fixing device 1 is provided with a fixing claw 20 and a fixing hole 21 that hold the folded temperature sensor fixing surface 8 and the box opening surface 3 in close contact with each other.
In the temperature sensor fixing device of the air conditioner configured as described above, the completed state can be maintained even when the temperature sensor fixing device 1 is not installed in the heat exchanger 13, and the protection at the time of assembling work can be made more reliable. Furthermore, assembly work can be facilitated.

As described above, in the present embodiment, the temperature sensor fixing device is provided with the fixing claw and the fixing hole for tightly holding the folded temperature sensor fixing surface and the box opening surface. Even when the fixing device is not inserted into the heat exchanger, the completed state can be maintained, so that the protection during the assembling operation can be further ensured and the assembling operation can be facilitated.

(Embodiment 4)
FIG. 7 is a perspective view of a temperature sensor fixing device for an air conditioner according to a fourth embodiment of the present invention, and FIG. 8 is a completed temperature sensor fixing device for an air conditioner according to a fourth embodiment of the present invention. It is a perspective view which shows a state. 7 and 8, the same components as those in FIGS. 1, 2, 3, 4, 5, 6, 9, and 10 are denoted by the same reference numerals, and description thereof is omitted.
7 and 8, when the temperature sensor fixing device 1 is folded back, the box closes to the side 16a of the heat sensitive part holding plate 16 where the heat sensitive part 11 is not disposed and covers a part of the heat sensitive part holding groove 15. An electric wire holding plate 22 is installed in the portion 3.

  In the temperature sensor fixing device for an air conditioner configured as described above, the electric wire 12 in the vicinity of the heat-sensitive part 11 is fixed to the heat-sensitive part holding groove 15 by the electric wire holding plate 22, so that the heat-sensitive part of the temperature sensor is more reliably attached. It is possible to prevent erroneous detection of temperature by maintaining the optimum position.

  As described above, in the present embodiment, when the temperature sensor fixing device is folded, the electric wire holding plate that covers a part of the heat sensitive portion holding groove close to the side where the heat sensitive portion of the heat sensitive portion holding plate is not disposed is boxed. By installing and configuring in the unit, the heat sensitive part of the temperature sensor can be more reliably held at the optimum position, temperature erroneous detection can be prevented, and a highly reliable air conditioner can be provided.

  As described above, the temperature sensor fixing device for an air conditioner according to the present invention can protect the temperature sensor with a simple structure and prevent erroneous temperature detection. It is applicable also to uses, such as a fan.

The perspective view of the temperature sensor fixing device of the air conditioner in Embodiment 1 of this invention The perspective view which shows the completion state of the temperature sensor fixing device of the air conditioner in Embodiment 1 of this invention The perspective view of the temperature sensor fixing device of the air conditioner in Embodiment 2 of this invention The perspective view which shows the completion state of the temperature sensor fixing device of the air conditioner in Embodiment 2 of this invention. The perspective view of the temperature sensor fixing device of the air conditioner in Embodiment 3 of this invention The perspective view which shows the completion state of the temperature sensor fixing device of the air conditioner in Embodiment 3 of this invention. The perspective view of the temperature sensor fixing device of the air conditioner in Embodiment 4 of this invention The perspective view which shows the completion state of the temperature sensor fixing device of the air conditioner in Embodiment 4 of this invention. The perspective view of the temperature sensor fixing device of the conventional air conditioner The perspective view which shows the completion state of the temperature sensor fixing device of the conventional air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Temperature sensor fixing device 3 Opening surface 4 Main body fixing part 4a Part of main body fixing part 5 Box part 6 Temperature sensor fixing groove 7 Main body fixing part 8 Temperature sensor fixing surface 9 Thin part 10 Temperature sensor 11 Thermal sensor 12 Electric wire 13 Heat exchange 14 Refrigerant piping 15 Heat sensitive part holding groove 16 Heat sensitive part holding plate 17 Protection tube 20 Fixing claw 21 Fixing hole 22 Electric wire holding plate

Claims (4)

A box portion formed by providing an opening surface on one surface and a plurality of communication holes on at least two other surfaces, and a body fixing portion connected to another component at one end of the box portion opening surface are formed on the same surface. The other end is provided with a temperature sensor fixing surface having a temperature sensor fixing groove, and a thin wall portion connecting the box opening surface and the temperature sensor fixing surface, and further on the temperature sensor fixing surface near the heat sensitive portion of the temperature sensor. An air conditioner in which a heat sensitive part holding plate having a heat sensitive part holding groove for holding an electric wire is formed, and the heat sensitive part of the temperature sensor is housed in the box part by folding the temperature sensor fixing surface 180 degrees with respect to the opening surface of the box part. Machine temperature sensor fixing device. 2. The air conditioner according to claim 1, wherein a part of the main body fixing portion is formed on the temperature sensor fixing surface, and the main body fixing portion is formed when the temperature sensor fixing surface is folded back by 180 ° with respect to the box opening surface. Temperature sensor fixing device. The temperature sensor fixing device for an air conditioner according to claim 1 or 2, further comprising a fixing claw and a fixing hole for tightly holding the folded temperature sensor fixing surface and the box opening surface. The electric wire holding plate which is close to the side where the heat sensitive portion of the heat sensitive portion holding plate is not disposed and which covers a part of the heat sensitive portion holding groove when being folded is installed in the box portion. The temperature sensor fixing device of the air conditioner described in 1.

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