JPH0117529B2 - - Google Patents
Info
- Publication number
- JPH0117529B2 JPH0117529B2 JP15585083A JP15585083A JPH0117529B2 JP H0117529 B2 JPH0117529 B2 JP H0117529B2 JP 15585083 A JP15585083 A JP 15585083A JP 15585083 A JP15585083 A JP 15585083A JP H0117529 B2 JPH0117529 B2 JP H0117529B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- contact plate
- sensing element
- heat
- temperature sensing
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000009529 body temperature measurement Methods 0.000 description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、複写機等の定着ローラーの温度制御
等に利用される温度センサに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a temperature sensor used for controlling the temperature of a fixing roller of a copying machine or the like.
従来例の構成とその問題点
近年の複写機業界は、複写速度の発達ととも
に、紙ヘトナーを定着させるローラー温度の高精
度制御化が必要となり、従来から高精度、高応答
性で、かつ、堅牢な温度センサが求められてい
る。Conventional configurations and their problems In recent years, in the copier industry, with the development of copying speeds, there has been a need for highly accurate control of the temperature of the rollers that fix paper toner. There is a need for a temperature sensor.
以下、図面を参照しながら、上述したような従
来の温度センサについて説明を行う。 Hereinafter, the conventional temperature sensor as described above will be explained with reference to the drawings.
第１図は従来の温度センサの取り付けられた状
態の全体図を示すものである。第２図Ａ，Ｂはそ
の側面図と正面図を示し、第３図は第２図Ｂの正
面図のＡ−A′断面の状態を示すものである。１
は被温度測定物８から、温度検知素子９を機械的
保護をしながら、熱の受授を行う接触板である。
２は上記接触板１を保持する支持体である。３は
接触板１と支持体２を固着する鋲である。４は温
度検知素子９の電気量変換を入出力させるための
導線である。５はピン６を介して支持体２に取り
つけられた接触板１と、被温度測定物８の位置を
保つための固定ベースである。７は接触板１を常
に被温度測定物８に接するように押しつけ力を持
たせたスプリングである。１０は温度検知素子９
を、接触板１に固着させるための接着剤である。 FIG. 1 shows an overall view of a conventional temperature sensor installed. 2A and 2B show a side view and a front view thereof, and FIG. 3 shows a cross section taken along line A-A' in the front view of FIG. 2B. 1
is a contact plate that receives and receives heat from the temperature measurement object 8 while mechanically protecting the temperature detection element 9.
Reference numeral 2 denotes a support body that holds the above-mentioned contact plate 1. Reference numeral 3 denotes a stud for fixing the contact plate 1 and the support body 2 together. Reference numeral 4 denotes a conductive wire for inputting and outputting electrical quantity conversion of the temperature sensing element 9. Reference numeral 5 denotes a fixed base for maintaining the positions of the contact plate 1 attached to the support body 2 via pins 6 and the object 8 to be temperature measured. Reference numeral 7 denotes a spring that has a pressing force to keep the contact plate 1 in constant contact with the object 8 to be temperature measured. 10 is a temperature sensing element 9
This is an adhesive for fixing the contact plate 1 to the contact plate 1.
以上のように構成された温度センサについて、
以下その動作について説明する。 Regarding the temperature sensor configured as above,
The operation will be explained below.
被温度測定物８の温度変化を、接触板１を介し
て接着剤１０で接触板１に固着させた温度検知素
子９で感じとり、導線４を通じて電気量の変換を
行つて測定を行うものである。また、接触板１は
支持体２に鋲３で固定し、支持体２の一端は固定
ベース５の一端にピン６を介して回動可能に保持
され、さらに、バネ７はピン６を支点にして、固
定ベース５に対して支持体２を外側へ開くように
付勢するように取りつけ、接触板１と、被温度測
定物８とが常に接触できるように構成されたもの
である。 The temperature change of the object to be measured 8 is sensed by a temperature sensing element 9 fixed to the contact plate 1 with an adhesive 10 via the contact plate 1, and the measurement is carried out by converting the quantity of electricity through the conductor 4. . Further, the contact plate 1 is fixed to a support body 2 with rivets 3, one end of the support body 2 is rotatably held at one end of a fixed base 5 via a pin 6, and a spring 7 is attached to the pin 6 as a fulcrum. The support body 2 is attached to the fixed base 5 so as to be biased outwardly, so that the contact plate 1 and the object to be measured 8 are always in contact with each other.
しかしながら、上記のような構成では、被温度
測定物８から受熱した熱が支持体２への熱伝導に
よる放熱を防ぐため、接触板１の両端を細くして
支持体２に取りつけなければならず、大きな外力
に対して弱い構造となつていた。また、外部へ信
号を引出すための導線４も、直接外へ導びき出さ
れているために、強度を高めるのに比較的太いも
のを使用する必要があり、導線４からの放熱が大
きく、さらに、温度検知素子９の周囲も開放され
た状態となつており、気体の対流による放熱が高
く、温度検知素子９の被温度測定物８の温度差が
大きく、正確な温度測定が難しい。また、温度検
知素子９の周囲が開放状態であるので、電気絶縁
性、あるいは、機械的強度からの保護のために、
接触板１と温度検知素子９を固着させる接着剤１
０は大量に塗布する必要があり、温度検知部の熱
容量を小さくすることが困難であり、被温度測定
物８からの熱を多量に必要とし、被温度測定物８
への熱影響が大である。 However, in the above configuration, in order to prevent the heat received from the temperature measurement object 8 from being dissipated by heat conduction to the support 2, both ends of the contact plate 1 must be made thin and attached to the support 2. The structure was weak against large external forces. In addition, since the conductor wire 4 for drawing out the signal to the outside is directly led out, it is necessary to use a relatively thick wire to increase the strength, and the heat dissipation from the conductor wire 4 is large. The surroundings of the temperature sensing element 9 are also open, and heat radiation due to gas convection is high, and the temperature difference between the temperature sensing element 9 and the object 8 to be measured is large, making accurate temperature measurement difficult. In addition, since the area around the temperature sensing element 9 is open, for electrical insulation or protection from mechanical strength,
Adhesive 1 for fixing contact plate 1 and temperature sensing element 9
0 needs to be applied in large quantities, it is difficult to reduce the heat capacity of the temperature detection part, and a large amount of heat from the temperature measurement object 8 is required, and the temperature measurement object 8
Thermal effects on the area are significant.
発明の目的
本発明は上記欠点に鑑み、温度検知素子の保護
と、構造物の強度を高め、外部導線をより強固な
ものとし、さらには、熱伝導性と気体の対流によ
る放熱を低くして、堅固で、測定精度を高めた温
度センサを提供することを目的とするものであ
る。Purpose of the Invention In view of the above-mentioned drawbacks, the present invention provides protection for the temperature sensing element, increases the strength of the structure, makes the external conductor stronger, and furthermore reduces heat radiation due to thermal conductivity and gas convection. The purpose of the present invention is to provide a temperature sensor that is robust and has improved measurement accuracy.
発明の構成
この目的を達成するために本発明の温度センサ
は、被温度測定物に接する部分を平行延長した突
出部分を設けた接触板と、この接触板と支持体の
間に絶縁断熱体を設け、上記支持体と絶縁断熱体
で包み込むように温度検知素子を上記接触板に取
付け、さらに支持体と絶縁断熱体の間に金属フレ
ームを設け、この金属フレームに温度検知素子の
端子を接続するとともに外部引出し用としての導
線を接続する構成としたものである。Structure of the Invention In order to achieve this object, the temperature sensor of the present invention includes a contact plate provided with a protruding portion extending parallel to the portion in contact with the object to be measured, and an insulating heat insulating material between the contact plate and the support. A temperature sensing element is attached to the contact plate so as to be surrounded by the support and the insulation and heat insulation, and a metal frame is provided between the support and the insulation and insulation, and the terminal of the temperature sensing element is connected to this metal frame. It is also configured to connect a conductor for external extraction.
実施例の説明
以下、本発明の一実施例について図面を参照し
ながら説明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
第４図Ａ〜Ｅは本発明における温度センサの組
立図を示し、第５図は温度検知部の組立構成で、
第６図は温度検知部の断面図を表わすものであ
る。１１は被温度測定物１８から温度検知素子１
９を機械的保護をしながら、熱の受授を行う接触
板、１２は接触板１１と、絶縁断熱体２３を保持
する支持体、１３は接触板１１と絶縁断熱体２３
を支持体１２へ固着する鋲、１４は温度検知素子
１９の電気変換量をリード端子２１と、金属フレ
ーム２２を介して入出力させる導線、１５はピン
１６を介して第５図の温度検知部と被温度測定物
１８との位置を保つための固定ベース、１６は支
持体１２と固定ベース１５を回動可能に接続する
ピン、１７は支持体１２に取り付けられた接触板
１１を被温度測定物１８に押し付け力を得るため
のバネ、１８は測定対象物である被温度測定物、
１９は温度変化を感じとる温度検知素子、２０は
温度検知素子１９を接触板１１に固着する接着
剤、２１は温度検知素子１９の変化を電気的に導
くリード線、２２は導線１４とリード線２１を中
継接続を行う金属フレーム、２３は温度検知素子
１９とリード線２１と金属フレーム２２と導線１
４の一端を電気的絶縁し、かつ、温度検知素子１
９に発生した熱を同図に放熱しないようにするた
めの絶縁断熱体である。 4A to 4E show assembly diagrams of the temperature sensor according to the present invention, and FIG. 5 shows the assembly configuration of the temperature detection section,
FIG. 6 shows a cross-sectional view of the temperature detection section. 11 is the temperature sensing element 1 from the object to be measured 18;
9 is a contact plate that receives and receives heat while providing mechanical protection; 12 is a support that holds the contact plate 11 and the insulating and heat-insulating body 23; and 13 is the contact plate 11 and the insulating and heat-insulating body 23.
14 is a conductive wire for inputting and outputting the electrical conversion amount of the temperature sensing element 19 via a lead terminal 21 and a metal frame 22, and 15 is a pin 16 that connects the temperature sensing element 19 to the temperature sensing portion shown in FIG. 16 is a pin that rotatably connects the support 12 and the fixed base 15, and 17 is a pin that connects the contact plate 11 attached to the support 12 to the temperature measurement target. A spring for obtaining a pressing force against the object 18, 18 is an object to be measured whose temperature is the object to be measured,
19 is a temperature sensing element that senses temperature changes; 20 is an adhesive that fixes the temperature sensing element 19 to the contact plate 11; 21 is a lead wire that electrically guides changes in the temperature sensing element 19; 22 is the conducting wire 14 and the lead wire 21; A metal frame 23 connects the temperature sensing element 19, the lead wire 21, the metal frame 22, and the conductor 1.
electrically insulating one end of 4, and temperature sensing element 1
This is an insulating heat insulator to prevent the heat generated in 9 from being radiated to the same figure.
以上のように構成された温度センサについて、
以下その動作を説明する。 Regarding the temperature sensor configured as above,
The operation will be explained below.
まず、動または静なる被温度測定物１８の熱変
化を、接触板１１を通じ接着剤２０で接触板１１
に固着させた温度検知素子１９に伝える。このと
き、より安定した温度変化を捕えるために、接触
板１１には被温度測定物１８に平行に長くした突
出部分を設けて受熱分布を良くするとともに、被
温度測定物１８との平行的な機械振動に対しても
安定した接触を得るようにしたものである。また
接触板１１は絶縁断熱体２３を介して支持体１２
へ、鋲１３により保持されており、安定した形で
取り付けられており、被温度測定物１８との接触
部以外を最小限の大きさにしても機械的強度が得
られ、かつ、絶縁断熱体２３により、支持体１２
への熱伝導による放熱がほとんどなく、さらに、
温度検知素子１９を接触板１１と絶縁断熱体２３
と支持体１２で包み込むような構造体となつてお
り、気体の対流による放熱をも少なくし、安定、
かつ、正確な温度測定ができるとともに、その封
止構造から外周への機械的強度をも高めることが
できる。さらに、温度検知素子１９の温度検知に
よる電気的変換の入出力を外部へ導びくのに、温
度検知素子１９に取り付けられたリード線２１を
支持体１２に取り付けられた金属フレーム２２に
接合させ、導線１４と金属フレーム２２とを接合
して外部へ導線１４を通じて引き出した構造であ
る。この構造にすることにより、温度検知素子１
９からリード線２１を伝つての熱伝導の影響を低
くするため、リード線２１を極細線化しても、導
線１４の外力からの影響がほとんど無く、堅固で
測定精度を高めた温度センサとすることができ
る。 First, the thermal change of the dynamic or static temperature measurement object 18 is measured by applying adhesive 20 to the contact plate 11 through the contact plate 11.
The temperature is transmitted to the temperature sensing element 19 fixed to the . At this time, in order to capture more stable temperature changes, the contact plate 11 is provided with a long protrusion parallel to the object to be measured 18 to improve the heat reception distribution, and This ensures stable contact even against mechanical vibrations. Further, the contact plate 11 is connected to the support body 12 via an insulating and heat insulating body 23.
It is held in place by rivets 13 and is mounted in a stable manner, and mechanical strength can be obtained even if the area other than the part in contact with the temperature measurement object 18 is minimized in size. 23, the support 12
There is almost no heat dissipation due to thermal conduction to the
Temperature sensing element 19 is connected to contact plate 11 and insulating heat insulator 23
It has a structure that is wrapped around the support body 12, which reduces heat dissipation due to gas convection, making it stable and stable.
Moreover, not only can accurate temperature measurement be performed, but also the mechanical strength from the sealing structure to the outer periphery can be increased. Further, in order to lead the input and output of electrical conversion based on the temperature detection of the temperature detection element 19 to the outside, a lead wire 21 attached to the temperature detection element 19 is joined to a metal frame 22 attached to the support body 12, It has a structure in which a conductive wire 14 and a metal frame 22 are joined and drawn out through the conductive wire 14 to the outside. By adopting this structure, the temperature sensing element 1
In order to reduce the influence of heat conduction from 9 to the lead wire 21, even if the lead wire 21 is made into an ultra-thin wire, there is almost no influence from external force on the conductor 14, and the temperature sensor is robust and has improved measurement accuracy. be able to.
発明の効果
以上のように本発明は、接触板の受熱分布と接
触状態の安定性を得た構造であり、かつ絶縁断熱
体を用いたことによる、熱伝導および気体の対流
による熱放散を低くすることができ、さらに、温
度検知部周辺を構成体で封止しているため、機械
的強度と、完全な電気絶縁性を有することがで
き、また、外部への電気的入出力を行うのに、温
度検知部内へ金属フレームを設けたことによつ
て、導体の外力による温度検知素子とリード線を
保護することができ、高い測定精度と、強固な温
度センサを得ることができ、その工業的効果は大
なるものがある。Effects of the Invention As described above, the present invention has a structure that achieves stability in the heat receiving distribution and contact state of the contact plate, and uses an insulating heat insulator to reduce heat dissipation due to heat conduction and gas convection. Moreover, since the area around the temperature detection part is sealed with a structure, it has mechanical strength and complete electrical insulation, and it is also possible to perform electrical input/output to the outside. In addition, by providing a metal frame inside the temperature sensing part, it is possible to protect the temperature sensing element and lead wires from external forces of the conductor, and it is possible to obtain high measurement accuracy and a robust temperature sensor, which is useful for the industry. The effects are significant.
第１図は従来の温度センサの使用状態における
斜視図、第２図Ａ，Ｂは第１図の側面図と正面
図、第３図は第２図Ｂの正面図のＡ−A′断面図、
第４図Ａ〜Ｅは本発明の温度センサの実施例の使
用例における状態の上面図、側面図、正面図、背
面図および下面図、第５図は温度検知部の分解斜
視図、第６図は温度検知部の断面図である。
１１……接触板、１２……支持体、１３……
鋲、１４……導線、１５……固定ベース、１６…
…ピン、１７……バネ、１８……被温度測定物、
１９……温度検知素子、２０……接着剤、２１…
…リード線、２２……金属フレーム、２３……絶
縁断熱体。
Figure 1 is a perspective view of a conventional temperature sensor in use, Figures 2A and B are a side view and front view of Figure 1, and Figure 3 is a sectional view taken along line A-A' of the front view of Figure 2B. ,
4A to 4E are a top view, a side view, a front view, a rear view, and a bottom view of the state of the temperature sensor according to the embodiment of the present invention in use. FIG. 5 is an exploded perspective view of the temperature detection section, and FIG. The figure is a cross-sectional view of the temperature detection section. 11... Contact plate, 12... Support body, 13...
Stud, 14...Conductor, 15...Fixed base, 16...
... Pin, 17 ... Spring, 18 ... Temperature measurement object,
19...Temperature sensing element, 20...Adhesive, 21...
...Lead wire, 22...Metal frame, 23...Insulating heat insulator.
Claims (1)
に平行延長した突出部分を設け、この接触板と支
持体との間に絶縁断熱体を設け、この支持体と絶
縁断熱体で包み込むように温度検知素子を上記接
触板に取付け、さらに支持体と絶縁断熱体の間に
金属フレームを設け、この金属フレームに温度検
知素子の端子を接続するとともに外部引出し用と
しての導線を接続してなる温度センサ。1. A contact plate in contact with the temperature measured object is provided with a protruding portion extending parallel to the temperature measured object, an insulating and heat insulating body is provided between the contact plate and the support, and the contact plate is wrapped in the insulating and heat insulating body. The temperature detection element is attached to the contact plate, a metal frame is provided between the support and the insulating material, the terminal of the temperature detection element is connected to this metal frame, and a conductor for external extraction is connected to the temperature detection element. sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15585083A JPS6047932A (en) | 1983-08-25 | 1983-08-25 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15585083A JPS6047932A (en) | 1983-08-25 | 1983-08-25 | Temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6047932A JPS6047932A (en) | 1985-03-15 |
| JPH0117529B2 true JPH0117529B2 (en) | 1989-03-30 |
Family
ID=15614864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15585083A Granted JPS6047932A (en) | 1983-08-25 | 1983-08-25 | Temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6047932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083817A (en) * | 2001-09-12 | 2003-03-19 | Anritsu Keiki Kk | Contact type thermometer |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3245785B2 (en) * | 1994-03-14 | 2002-01-15 | キヤノン株式会社 | Connectors and connection structure |
| NL1005002C2 (en) * | 1997-01-14 | 1998-07-15 | Rodax N V | Device for measuring a temperature. |
| JP4906485B2 (en) * | 2005-12-28 | 2012-03-28 | 京セラミタ株式会社 | Temperature detection component mounting structure |
-
1983
- 1983-08-25 JP JP15585083A patent/JPS6047932A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083817A (en) * | 2001-09-12 | 2003-03-19 | Anritsu Keiki Kk | Contact type thermometer |
| JP4718733B2 (en) * | 2001-09-12 | 2011-07-06 | 安立計器株式会社 | Contact thermometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6047932A (en) | 1985-03-15 |
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