JP3839532B2 - Thermistor mounting device for U-tube such as air conditioner - Google Patents

Thermistor mounting device for U-tube such as air conditioner Download PDF

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Publication number
JP3839532B2
JP3839532B2 JP29959996A JP29959996A JP3839532B2 JP 3839532 B2 JP3839532 B2 JP 3839532B2 JP 29959996 A JP29959996 A JP 29959996A JP 29959996 A JP29959996 A JP 29959996A JP 3839532 B2 JP3839532 B2 JP 3839532B2
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JP
Japan
Prior art keywords
thin metal
thermistor
metal tube
protrusion
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP29959996A
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Japanese (ja)
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JPH10132431A (en
Inventor
由夫 江口
利美 中村
与生 小林
範雄 笠原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tateyama Kagaku Kogyo Co Ltd
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Tateyama Kagaku Kogyo Co Ltd
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Filing date
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Priority to JP29959996A priority Critical patent/JP3839532B2/en
Publication of JPH10132431A publication Critical patent/JPH10132431A/en
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  • Air Conditioning Control Device (AREA)

Description

【0001】
【産業上の利用分野】
本発明は、エアコン等のU字管用サーミスター取付装置に関するものである。
【0002】
【従来技術】
本願に対する同一出願人の出願に係る特願平8−181619号明細書と図面には、断面形状は略コの字形の装着具本体であり、一方を挟持下縁に他方を挟持上縁に形成し、前記挟持上縁の先端部には前記装着具本体の内側のU字管挿入部に連通する開口部が形成される装着筒を一体的に連設形成し、該装着筒に挿入されるサーミスター端子は円筒の薄金属チューブ内に挿入して樹脂で固定した構造について記載されている。
また、上記先願明細書には、挟持下縁に抜止突起を設けること、挟持下縁に円弧の係合溝を設けることについても記載されている。
【0003】
【発明が解決しようとする課題】
しかし、前記先願構成では、直線状の円筒の薄金属チューブと円筒のU字管の接触となるから、接触部は点接触になるので、接触面積が小さく、熱伝達が円滑に行なわれないという欠点があった。本発明は、直線状の円筒の薄金属チューブの接触部を平坦面にして、線接触となるようにし、効率良く熱伝達が行なえるようにしたものである。
【0004】
【発明の目的】
エアコン等のU字管に、サーミスター端子を線接触の状態に取付ける。
【0005】
【課題を解決するための手段】
よって、本発明は、りん青銅等の薄金属板により断面形状を略コの字形に形成した装着具本体に、該装着具本体の内側のU字管挿入部に開口部が連通するように形成された装着筒を一体的に連設形成し、該装着筒にサーミスター端子を挿入して固定したものにおいて、該サーミスター端子は薄金属チューブ内に挿入して樹脂で固定し、該薄金属チューブには半径方向に突出する突起と受熱平坦部を形成し、前記装着筒には前記突起が係合する切欠溝を形成し、前記突起を前記切欠溝に係合させると前記受熱平坦部は前記開口部に露出して臨むようにしたエアコン等のU字管用サーミスター取付装置としたものである。
また、本発明は、断面形状は略コの字形の装着具本体2であり、一方を挟持下縁4に他方を挟持上縁5に形成し、前記挟持上縁5の先端部には前記装着具本体2の内側のU字管挿入部12に連通する開口部13が形成される装着筒11を一体的に連設形成し、該装着筒11に挿入されるサーミスター端子10は薄金属チューブ16内に挿入して樹脂で固定し、該薄金属チューブ16の先端17側には半径方向に突出する突起18を形成し、前記薄金属チューブ16の前記突起18の反対側には受熱平坦部20を形成し、前記装着筒11の端縁には切欠溝19を形成し、前記突起18を前記切欠溝19に係合させると前記受熱平坦部20は前記開口部13に臨んで露出するようにしたエアコン等のU字管用サーミスター取付装置としたものである。
また、本発明は、前記挟持下縁には、抜止突起を有する円弧溝を形成したエアコン等のU字管用サーミスター取付装置としたものである。
【0006】
【実施例】
本発明の一実施例を図面により説明すると、1はエアコン等の冷却用のチューブ、2はりん青銅等の薄金板で形成した装着具本体で、断面形状は、前記チューブ1の端部のU字管3に弾力的に拡がって挿着できるよう略コの字形に形成し、一方を挟持下縁4に他方を挟持上縁5に形成したとき、前記挟持下縁4の先端縁は外開き状の屈曲縁6に形成し、前記挟持下縁4には、前記U字管3が係合する円弧溝7を形成し、該円弧溝7の内周縁8には複数個の抜止突起9を形成し、前記挟持上縁5の先端部は彎曲させてサーミスター端子10の装着筒11を一体的に形成する。該装着筒11は図2のように内側に湾曲させて、U字管挿入部12に連通する開口部13が形成されるようにする。
【0007】
図4において、14は装着筒11内に挿入したサーミスター端子10を固定するためのカシメ部であり、装着筒11に切目15を入れて形成する。
【0008】
前記サーミスター端子10は薄金属チューブ16内にサーミスターを挿入して樹脂で固めたものである。薄金属チューブ16は先端17側に半径方向に曲げて形成した突起18を有し、該突起18を前記装着筒11に形成した切欠溝19に挿入する。該突起18を切欠溝19に挿入すると、金属チューブ16の回動と、金属チューブ16の開きの両方が防止できる。
【0009】
なお、図中、20は装着筒11の前記突起18の反対側に形成される受熱平坦部であり、装着したとき前記U字管3に密着する。21は挟持下縁4と挟持上縁5の連結部である。
【0010】
【作用】
次に作用を述べる。
本願は上記の構成であるから、薄金属チューブ16内にサーミスター10を挿入して樹脂で固めるが、このとき薄金属チューブ16の先端には一体的に突起18を形成し、突起18の反対側には受熱平坦部20を形成する。なお、板金加工で形成するときは、突起18部分を含めて板取りし、その後筒にする。
【0011】
サーミスター10を固定した薄金属チューブ16は、その突起18が装着筒11の切欠溝19に合うように挿入して突起18を切欠溝19に係合させると、突起18の反対側の受熱平坦部20は開口部13に露出してU字管挿入部12に臨むようになるから、U字管3に装着したとき、受熱平坦部20はU字管3に密着するようになり、U字管3の温度を確実に検出する。なお、突起18が装着筒11の切欠溝19に係合することにより、薄金属チューブ16の開きを防止するとともに、薄金属チューブ16の動きを防止する。
【0012】
【発明の効果】
本発明は、りん青銅等の薄金属板により断面形状を略コの字形に形成した装着具本体に、該装着具本体の内側のU字管挿入部に開口部が連通するように形成された装着筒を一体的に連設形成し、該装着筒にサーミスター端子を挿入して固定したものにおいて、該サーミスター端子は薄金属チューブ内に挿入して樹脂で固定し、該薄金属チューブには半径方向に突出する突起と受熱平坦部を形成し、前記装着筒には前記突起が係合する切欠溝を形成し、前記突起を前記切欠溝に係合させると前記受熱平坦部は前記開口部に露出して臨むようにしたエアコン等のU字管用サーミスター取付装置としたものであるから、金属チューブとU字管の接触が、先願の点接触に比し、線接触になるので、熱伝達良好で確実に検出できる効果がある。
また、本発明は、断面形状は略コの字形の装着具本体2であり、一方を挟持下縁4に他方を挟持上縁5に形成し、前記挟持上縁5の先端部には前記装着具本体2の内側のU字管挿入部12に連通する開口部13が形成される装着筒11を一体的に連設形成し、該装着筒11に挿入されるサーミスター端子10は薄金属チューブ16内に挿入して樹脂で固定し、該薄金属チューブ16の先端17側には半径方向に突出する突起18を形成し、前記薄金属チューブ16の前記突起18の反対側には受熱平坦部20を形成し、前記装着筒11の端縁には切欠溝19を形成し、前記突起18を前記切欠溝19に係合させると前記受熱平坦部20は前記開口部13に臨んで露出するようにしたエアコン等のU字管用サーミスター取付装置としたものであるから、具体的構成を要旨にするので実施化容易であり、且つ薄金属チューブ16とU字管3の接触が、先願の点接触に比し、線接触になるので、熱伝達良好で確実に温度の検出できる効果がある。
また、本発明は、前記挟持下縁4には、抜止突起9を有する円弧溝7を形成したエアコン等のU字管用サーミスター取付装置としたものであるから、装着具本体2に対するU字管3の装着が確実になる。
【図面の簡単な説明】
【図1】本願斜視図。
【図2】装着具本体の側面図。
【図3】装着具本体にU字管を取付た断面図。
【図4】装着具本体の図2の左側面図。
【図5】装着具本体の図2の底面図。
【図6】装着具本体の図2の平面図。
【図7】薄金属チューブの側面図。
【図8】薄金属チューブの図7の底面図。
【図9】薄金属チューブの図7の右側面図。
【符号の説明】
1…チューブ、2…装着具本体、3…U字管、4…挟持下縁、5…挟持上縁、6…屈曲縁、7…円弧溝、8…内周縁、9…抜止突起(返し)、10…サーミスター端子、11…装着筒、12…U字管挿入部、13…開口部、14…カシメ部、15…切目、16…薄金属チューブ、17…先端、18…突起、19…切欠溝、20…受熱平坦部、21…連結部。
[0001]
[Industrial application fields]
The present invention relates to a thermistor mounting device for a U-shaped tube such as an air conditioner.
[0002]
[Prior art]
In the specification and drawings of Japanese Patent Application No. 8-181619 relating to the application of the same applicant for the present application, the cross-sectional shape is a substantially U-shaped mounting body, one is formed on the clamping lower edge and the other is formed on the clamping upper edge A mounting cylinder in which an opening communicating with the U-shaped tube insertion portion on the inner side of the mounting tool body is integrally formed at the front end of the clamping upper edge, and is inserted into the mounting cylinder. The thermistor terminal is described as being inserted into a cylindrical thin metal tube and fixed with resin.
The above-mentioned prior application specification also describes providing a retaining protrusion on the holding lower edge and providing an arc-shaped engaging groove on the holding lower edge.
[0003]
[Problems to be solved by the invention]
However, in the configuration of the prior application, the contact between the linear cylindrical thin metal tube and the cylindrical U-shaped tube is a point contact, so the contact area is small and heat transfer is not performed smoothly. There was a drawback. In the present invention, the contact portion of the thin cylindrical cylindrical metal tube is made flat so as to be in line contact so that heat can be transferred efficiently.
[0004]
OBJECT OF THE INVENTION
A thermistor terminal is attached to a U-shaped tube such as an air conditioner in a line contact state.
[0005]
[Means for Solving the Problems]
Therefore, the present invention is formed so that the opening portion communicates with the U-shaped tube insertion portion inside the mounting tool body, with the mounting tool body having a substantially U-shaped cross section formed by a thin metal plate such as phosphor bronze. The attached mounting cylinder is integrally formed continuously, and the thermistor terminal is inserted and fixed to the mounting cylinder. The thermistor terminal is inserted into a thin metal tube and fixed with a resin. A protrusion protruding in the radial direction and a heat receiving flat portion are formed on the tube, and a notch groove is formed on the mounting cylinder to engage the protrusion. When the protrusion is engaged with the notch groove, the heat receiving flat portion is This is a U-tube thermistor mounting device such as an air conditioner that is exposed to the opening.
Further, the present invention is a mounting tool body 2 having a substantially U-shaped cross section, one of which is formed as a sandwiching lower edge 4 and the other as a sandwiching upper edge 5. A mounting cylinder 11 having an opening 13 communicating with the U-shaped tube insertion portion 12 inside the tool body 2 is integrally formed continuously. The thermistor terminal 10 inserted into the mounting cylinder 11 is a thin metal tube. The thin metal tube 16 is fixed with resin, and a projection 18 projecting in the radial direction is formed on the tip 17 side of the thin metal tube 16, and a heat receiving flat portion is formed on the opposite side of the projection 18 of the thin metal tube 16. 20, a notch groove 19 is formed at the edge of the mounting cylinder 11, and the protrusion 18 is engaged with the notch groove 19 so that the heat receiving flat portion 20 is exposed to the opening 13. Thermistor mounting device for U-tube such as air conditioner .
Further, the present invention is a U-tube thermistor mounting device such as an air conditioner in which an arc groove having a retaining projection is formed on the holding lower edge.
[0006]
【Example】
An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a cooling tube for an air conditioner, etc., 2 denotes a mounting tool main body formed of a thin metal plate such as phosphor bronze, and the cross-sectional shape is the end of the tube 1. When the U-shaped tube 3 is formed in a substantially U-shape so that it can be elastically expanded and inserted, and one is formed on the sandwiching lower edge 4 and the other is formed on the sandwiching upper edge 5, the leading edge of the sandwiching lower edge 4 is outside. An arc-shaped groove 7 is formed in the open bent edge 6, and the holding lower edge 4 is engaged with the U-shaped tube 3. A plurality of retaining protrusions 9 are formed on the inner peripheral edge 8 of the arc-shaped groove 7. The tip of the sandwiching upper edge 5 is bent to integrally form the mounting cylinder 11 of the thermistor terminal 10. The mounting cylinder 11 is bent inward as shown in FIG. 2 so that an opening 13 communicating with the U-shaped tube insertion portion 12 is formed.
[0007]
In FIG. 4, reference numeral 14 denotes a caulking portion for fixing the thermistor terminal 10 inserted into the mounting cylinder 11, which is formed by making a cut 15 in the mounting cylinder 11.
[0008]
The thermistor terminal 10 is obtained by inserting a thermistor into a thin metal tube 16 and hardening it with a resin. The thin metal tube 16 has a projection 18 formed by bending in the radial direction on the distal end 17 side, and the projection 18 is inserted into a notch groove 19 formed in the mounting cylinder 11. When the protrusion 18 is inserted into the notch groove 19, both the rotation of the metal tube 16 and the opening of the metal tube 16 can be prevented.
[0009]
In the figure, reference numeral 20 denotes a heat receiving flat portion formed on the opposite side of the projection 18 of the mounting cylinder 11 and is in close contact with the U-shaped tube 3 when mounted. Reference numeral 21 denotes a connecting portion between the sandwiching lower edge 4 and the sandwiching upper edge 5.
[0010]
[Action]
Next, the operation will be described.
Since the present application has the above-described configuration, the thermistor 10 is inserted into the thin metal tube 16 and hardened with resin. At this time, a protrusion 18 is integrally formed at the tip of the thin metal tube 16 and is opposite to the protrusion 18. A heat receiving flat portion 20 is formed on the side. In addition, when forming by sheet metal processing, it plate-cuts including the protrusion 18 part, and makes it a cylinder after that.
[0011]
When the thin metal tube 16 to which the thermistor 10 is fixed is inserted so that the protrusion 18 fits into the notch groove 19 of the mounting cylinder 11 and the protrusion 18 is engaged with the notch groove 19, the heat receiving flat on the opposite side of the protrusion 18 is provided. Since the portion 20 is exposed to the opening 13 and faces the U-shaped tube insertion portion 12, the heat receiving flat portion 20 comes into close contact with the U-shaped tube 3 when attached to the U-shaped tube 3. The temperature of the tube 3 is reliably detected. The protrusion 18 engages with the cutout groove 19 of the mounting cylinder 11 to prevent the thin metal tube 16 from opening and the thin metal tube 16 from moving.
[0012]
【The invention's effect】
The present invention is formed on a mounting tool main body having a substantially U-shaped cross-section with a thin metal plate such as phosphor bronze so that an opening communicates with a U-shaped tube insertion portion inside the mounting tool main body. A mounting cylinder is integrally formed continuously, and a thermistor terminal is inserted and fixed in the mounting cylinder. The thermistor terminal is inserted into a thin metal tube and fixed with a resin. Is formed with a protrusion protruding in the radial direction and a heat receiving flat part, the mounting cylinder is formed with a notch groove for engaging the protrusion, and when the protrusion is engaged with the notch groove, the heat receiving flat part is opened with the opening. Because it is a U-tube thermistor mounting device such as an air conditioner that is exposed to the surface, the contact between the metal tube and the U-tube is a line contact compared to the point contact of the previous application. It has the effect of being able to detect reliably with good heat transfer.
Further, the present invention is a mounting tool body 2 having a substantially U-shaped cross section, one of which is formed as a sandwiching lower edge 4 and the other as a sandwiching upper edge 5. A mounting cylinder 11 having an opening 13 communicating with the U-shaped tube insertion portion 12 inside the tool body 2 is integrally formed continuously. The thermistor terminal 10 inserted into the mounting cylinder 11 is a thin metal tube. The thin metal tube 16 is fixed with resin, and a projection 18 projecting in the radial direction is formed on the tip 17 side of the thin metal tube 16, and a heat receiving flat portion is formed on the opposite side of the projection 18 of the thin metal tube 16. 20, a notch groove 19 is formed at the edge of the mounting cylinder 11, and the protrusion 18 is engaged with the notch groove 19 so that the heat receiving flat portion 20 is exposed to the opening 13. Thermistor mounting device for U-tube such as air conditioner From the point of view of the concrete configuration, it is easy to implement, and the contact between the thin metal tube 16 and the U-shaped tube 3 is a line contact as compared with the point contact of the prior application, so heat transfer is good and reliable. Has the effect of detecting the temperature.
Further, the present invention is a thermistor mounting device for a U-shaped tube such as an air conditioner in which an arc groove 7 having a retaining projection 9 is formed on the holding lower edge 4. 3 is surely installed.
[Brief description of the drawings]
FIG. 1 is a perspective view of the present application.
FIG. 2 is a side view of the mounting tool main body.
FIG. 3 is a cross-sectional view of a U-shaped tube attached to the mounting tool body.
4 is a left side view of FIG.
5 is a bottom view of FIG. 2 of the mounting tool main body.
6 is a plan view of FIG. 2 of the mounting tool main body.
FIG. 7 is a side view of a thin metal tube.
8 is a bottom view of FIG. 7 of a thin metal tube.
9 is a right side view of FIG. 7 of a thin metal tube.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Tube, 2 ... Mounting tool main body, 3 ... U-shaped pipe, 4 ... Clamping lower edge, 5 ... Clamping upper edge, 6 ... Bending edge, 7 ... Arc groove, 8 ... Inner peripheral edge, 9 ... Stopping protrusion (return) DESCRIPTION OF SYMBOLS 10 ... Thermistor terminal, 11 ... Mounting cylinder, 12 ... U-shaped tube insertion part, 13 ... Opening part, 14 ... Crimp part, 15 ... Cut, 16 ... Thin metal tube, 17 ... Tip, 18 ... Protrusion, 19 ... Notch groove, 20 ... heat receiving flat part, 21 ... connecting part.

Claims (3)

りん青銅等の薄金属板により断面形状を略コの字形に形成した装着具本体に、該装着具本体の内側のU字管挿入部に開口部が連通するように形成された装着筒を一体的に連設形成し、該装着筒にサーミスター端子を挿入して固定したものにおいて、該サーミスター端子は薄金属チューブ内に挿入して樹脂で固定し、該薄金属チューブには半径方向に突出する突起と受熱平坦部を形成し、前記装着筒には前記突起が係合する切欠溝を形成し、前記突起を前記切欠溝に係合させると前記受熱平坦部は前記開口部に露出して臨むようにしたエアコン等のU字管用サーミスター取付装置。An attachment cylinder formed so that the opening communicates with the U-shaped tube insertion portion inside the attachment body is integrated with the attachment body having a substantially U-shaped cross section made of a thin metal plate such as phosphor bronze. In this case, the thermistor terminal is inserted into the mounting cylinder and fixed, and the thermistor terminal is inserted into the thin metal tube and fixed with resin. A protruding protrusion and a heat receiving flat part are formed, and a notch groove for engaging the protrusion is formed in the mounting cylinder, and when the protrusion is engaged with the notch groove, the heat receiving flat part is exposed to the opening. Thermistor mounting device for U-shaped tubes such as air conditioners. 断面形状は略コの字形の装着具本体2であり、一方を挟持下縁4に他方を挟持上縁5に形成し、前記挟持上縁5の先端部には前記装着具本体2の内側のU字管挿入部12に連通する開口部13が形成される装着筒11を一体的に連設形成し、該装着筒11に挿入されるサーミスター端子10は薄金属チューブ16内に挿入して樹脂で固定し、該薄金属チューブ16の先端17側には半径方向に突出する突起18を形成し、前記薄金属チューブ16の前記突起18の反対側には受熱平坦部20を形成し、前記装着筒11の端縁には切欠溝19を形成し、前記突起18を前記切欠溝19に係合させると前記受熱平坦部20は前記開口部13に臨んで露出するようにしたエアコン等のU字管用サーミスター取付装置。The cross-sectional shape is a substantially U-shaped mounting tool body 2, one of which is formed as a sandwiching lower edge 4 and the other is formed as a sandwiching upper edge 5. A mounting cylinder 11 in which an opening 13 communicating with the U-shaped tube insertion portion 12 is integrally formed, and the thermistor terminal 10 inserted into the mounting cylinder 11 is inserted into the thin metal tube 16. The thin metal tube 16 is fixed with resin, and a projection 18 projecting radially is formed on the tip 17 side of the thin metal tube 16, and a heat receiving flat portion 20 is formed on the opposite side of the projection 18 of the thin metal tube 16, A notch groove 19 is formed at the edge of the mounting cylinder 11, and when the protrusion 18 is engaged with the notch groove 19, the heat receiving flat portion 20 faces the opening 13 and is exposed. Thermistor mounting device for character tubes. 請求項1において、前記挟持下縁には、抜止突起を有する円弧溝を形成したエアコン等のU字管用サーミスター取付装置。The thermistor attachment device for U-tubes, such as an air-conditioner, in which the said clamping lower edge formed the circular arc groove | channel which has a retaining protrusion in Claim 1.
JP29959996A 1996-10-24 1996-10-24 Thermistor mounting device for U-tube such as air conditioner Expired - Fee Related JP3839532B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29959996A JP3839532B2 (en) 1996-10-24 1996-10-24 Thermistor mounting device for U-tube such as air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29959996A JP3839532B2 (en) 1996-10-24 1996-10-24 Thermistor mounting device for U-tube such as air conditioner

Publications (2)

Publication Number Publication Date
JPH10132431A JPH10132431A (en) 1998-05-22
JP3839532B2 true JP3839532B2 (en) 2006-11-01

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081686A (en) * 2000-08-31 2002-03-22 Mitsubishi Materials Corp Sensor fixture
JP4506645B2 (en) * 2005-11-01 2010-07-21 三菱電機株式会社 Temperature detector fixture
KR100757938B1 (en) * 2006-07-10 2007-09-12 삼성전자주식회사 Temperature sensor fixing apparatus and conditioner having thereof
JP5234043B2 (en) * 2010-04-09 2013-07-10 ダイキン工業株式会社 Temperature sensor fixture

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