JP2671410B2 - air conditioner - Google Patents
air conditionerInfo
- Publication number
- JP2671410B2 JP2671410B2 JP18524988A JP18524988A JP2671410B2 JP 2671410 B2 JP2671410 B2 JP 2671410B2 JP 18524988 A JP18524988 A JP 18524988A JP 18524988 A JP18524988 A JP 18524988A JP 2671410 B2 JP2671410 B2 JP 2671410B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- temperature sensor
- sensor
- circuit
- amplification factor
- 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 - Lifetime
Links
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- Control Of Temperature (AREA)
Description
【発明の詳細な説明】 《発明の分野》 この発明は温度調節器に関し、詳しくは特性の異なる
温度センサが接続される際、その温度センサの種類を判
別して、その種類に該当する増幅率を自動的に切り換え
る機能を備えた温度調節器に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature controller, and more specifically, when temperature sensors having different characteristics are connected, the type of the temperature sensor is determined and the amplification factor corresponding to the type is determined. The present invention relates to a temperature controller having a function of automatically switching between.
《発明の概要》 この発明は温度調節器に、接続された温度センサの種
類を判別する手段、および判別した種類に基づいて増幅
回路の増幅率を切り換える手段を備えたことにより、温
度センサを接続する際に、温度センサの種類に応じて従
来おこなわれていた増幅回路の増幅率レンジ切り換え操
作を不要にしたものである。<< Summary of the Invention >> The present invention provides a temperature controller by providing a temperature controller with means for discriminating the type of the connected temperature sensor and means for switching the amplification factor of the amplifier circuit based on the discriminated type. In doing so, the amplification ratio range switching operation of the amplification circuit, which has been conventionally performed depending on the type of the temperature sensor, is unnecessary.
《従来技術とその問題点》 従来の温度調節器においては、制御対象の多様化に応
じるため多種類の温度センサと接続できるよう、温度セ
ンサの種類ごとに入力信号の増幅率を切り換えるレンジ
切換えスイッチを設けていた。<< Prior art and its problems >> In a conventional temperature controller, a range selector switch that switches the amplification factor of the input signal for each type of temperature sensor so that it can be connected to many types of temperature sensors in order to respond to the diversification of control targets. Was provided.
そのため、温度調節器本体に温度センサを結線する際
は、温度調節器本体内の回路部を外部に引出し、レンジ
切り換えスイッチを操作する必要があった。通常、これ
らの設定操作のため温度調節器本体は、内部の回路部を
引き出せるようにドローアウト構造としていた。Therefore, when connecting the temperature sensor to the temperature controller main body, it was necessary to pull out the circuit section in the temperature controller main body to the outside and operate the range changeover switch. Usually, for these setting operations, the temperature controller body has a draw-out structure so that the internal circuit part can be pulled out.
しかしながら、このような構造としたことにより、新
規に温度センサを接続するとき、あるいは温度センサを
途中交換するとき、必ず回路部をドローアウトして設定
しなければならない煩わしさがあり、同時に温度調節器
本体もドローアウト構造としためコネクタの接触不良の
発生したり、構造が複雑となりコストアップになる等の
欠点があった。However, due to such a structure, when connecting a new temperature sensor or replacing the temperature sensor on the way, there is a trouble that the circuit unit must be set by drawing out at the same time. Since the main body of the device also has a draw-out structure, there are drawbacks such as poor contact of the connector and increased complexity due to the complicated structure.
《発明の目的》 この発明は上記の点に鑑み提案されたもので、その目
的とするところは特性の異なる複数種類の温度センサが
接続可能な温度調節器において、温度センサを接続する
際の増幅率変更のレンジ設定操作、および本体のドロー
アウト構造を不要にした使い勝手の良い温度調節器を提
供することにある。<Object of the Invention> The present invention has been proposed in view of the above points, and an object of the present invention is to provide a temperature controller in which a plurality of types of temperature sensors having different characteristics can be connected, and to amplify the temperature sensor when connecting. An object of the present invention is to provide a user-friendly temperature controller that does not require a range setting operation for rate change and a drawout structure of the main body.
《発明の構成と効果》 この発明は上記目的を達成するために、本体内に備え
られ、温度センサを着脱自在に収納する収納部と、この
収納部の温度を測定する内部温度センサと、上記収納部
に収納されると共に本体に接続された温度センサ、およ
び上記内部温度センサから得られるそれぞれの温度信号
を比較し、上記収納部に収納された温度センサの種類を
判別する温度センサ判別手段と、この判別手段から得ら
れた判別結果に基づいて、上記温度センサの温度信号を
増幅する増幅回路の増幅率を、温度センサの出力レベル
に見合った増幅率に切り換える切換え手段を備えたこと
を特徴とする。<< Structure and Effect of the Invention >> In order to achieve the above-mentioned object, the present invention is provided in a main body, and has a storage part for detachably storing a temperature sensor, an internal temperature sensor for measuring the temperature of the storage part, and A temperature sensor stored in the storage unit and connected to the main body, and temperature sensor determination means for comparing the respective temperature signals obtained from the internal temperature sensor and determining the type of the temperature sensor stored in the storage unit. A switching means for switching the amplification factor of the amplification circuit for amplifying the temperature signal of the temperature sensor to an amplification factor suitable for the output level of the temperature sensor based on the determination result obtained from the determination device. And
この発明に係る温度調節器は、接続された温度センサ
の種類を判別する手段、および判別された温度センサの
種類に基づいて増幅回路の増幅率を切り換える手段を備
えたことにより、温度センサを接続する際に、温度セン
サの種類に応じて従来おこなわれていた増幅回路のレン
ジ切換え操作が不要となるとともに、手動操作で起こり
がちな誤操作を防止することができ使い勝手が向上す
る。The temperature controller according to the present invention includes the means for determining the type of the connected temperature sensor, and the means for switching the amplification factor of the amplification circuit based on the determined type of the temperature sensor, thereby connecting the temperature sensor. In doing so, the range switching operation of the amplifier circuit, which has been conventionally performed depending on the type of the temperature sensor, is not necessary, and the erroneous operation that tends to occur due to the manual operation can be prevented, and the usability is improved.
また、本体のドローアウト構造が不要となったことに
より、コネクタの接触不良が解消されるとともに、構造
が簡単でコンパクトに構成できるため低コストに製作で
きる等の効果を有する。Further, since the drawout structure of the main body is not necessary, the contact failure of the connector is eliminated, and the structure is simple and compact, so that it can be manufactured at low cost.
《実施例の説明》 第１図は、この発明に係る温度調節器のケースの一部
を切り欠いて内部の構造を示した側面図である。<< Explanation of Embodiments >> FIG. 1 is a side view showing an internal structure by cutting out a part of a case of a temperature controller according to the present invention.
図において、本体１の左側端部にはフロントパネル13
が形成され、通常の温度調節器に備えられる温度表示
部、各種操作子等が設けられている。このフロントパネ
ル13の背面下部には、温度センサ２の出力コード21,22
を接続する端子11,12が配置されていると共にフロント
パネル13の背面上部には、筒状のセンサ収納部15が、背
面から前面方向に形成されている。またこのセンサ収納
部15の内側最奥部には、サーミスタ等からなる測温素子
16が配設されていると共に、センサ収納部15の下方に
は、制御回路の一部であるパワートランジスタ17および
放熱板18が配置されている。そして温度調節器の作動中
には、パワートランジスタ17の発熱が放熱板18を介し
て、輻射および対流によりセンサ収納部15に伝えられ、
センサ収納部15は室温よりも高温に保持され、かつ、こ
のセンサ収納部15には、熱電対等により構成されている
温度センサ２の感温部23が挿入されることにより、後述
する温度センサ２の種類を特定する処理がおこなわれ
る。In the figure, a front panel 13 is provided at the left end of the main body 1.
Is formed, and is provided with a temperature display portion, various operating elements, and the like, which are included in a normal temperature controller. At the lower back of the front panel 13, output codes 21, 22 of the temperature sensor 2 are provided.
Terminals 11 and 12 for connecting are connected to each other, and a cylindrical sensor accommodating portion 15 is formed in the upper part of the back surface of the front panel 13 from the back surface to the front surface. In addition, at the deepest part inside the sensor storage part 15, a temperature measuring element composed of a thermistor, etc.
A power transistor 17 and a heat dissipation plate 18, which are a part of a control circuit, are disposed below the sensor housing portion 15 while the 16 is disposed. Then, during the operation of the temperature controller, the heat generation of the power transistor 17 is transmitted to the sensor housing portion 15 by radiation and convection through the heat dissipation plate 18,
The sensor storage portion 15 is kept at a temperature higher than room temperature, and the temperature sensing portion 23 of the temperature sensor 2 formed of a thermocouple or the like is inserted into the sensor storage portion 15, so that the temperature sensor 2 to be described later will be described. A process for specifying the type of is performed.
第２図は、この発明に係る温度調節器の電気的な内部
構成を示すブロック図である。FIG. 2 is a block diagram showing an electrical internal configuration of the temperature controller according to the present invention.
センサ収納部15に設置された測温素子16からは、常
時、センサ収納部15の温度に相当する出力が測温回路３
に送られる。測温回路３では、測温素子16の出力を温度
信号に変換し、制御回路６に送出する。From the temperature measuring element 16 installed in the sensor housing portion 15, an output corresponding to the temperature of the sensor housing portion 15 is constantly output.
Sent to The temperature measuring circuit 3 converts the output of the temperature measuring element 16 into a temperature signal and sends it to the control circuit 6.
初期設定時にセンサ収納部15に挿入された温度センサ
２からは、一定時間経過し感温部23がセンサ収納部15と
同一温度に達してから、センサ収納部15の温度に相当す
る出力が出力コード21,22を介して入力回路４の端子11,
12に送られる。入力回路４では、温度センサ２から得ら
れた入力を温度信号に変換し、増幅回路５に送出する。
増幅回路５は入力された温度信号を、制御回路６から指
定された増幅率で増幅し制御回路６へ送出する。制御回
路６は測温回路３から得られた温度信号と、増幅回路５
から得られた温度信号とを比較演算することにより、入
力回路４に接続されている温度センサ２の特性に基づい
て温度センサ２の種類を判別する。その結果、温度セン
サ２の種類に応じた増幅率切換信号を増幅回路５へ送出
する。これらの初期設定がおこなわれた以後、温度セン
サ２が制御対象にセットされると、制御回路６では本来
の温度制御処理が開始される。この制御回路６における
ハード上の構成はマイクロコンピュータが用いられい
る。The temperature sensor 2 inserted into the sensor housing 15 at the time of initial setting outputs an output corresponding to the temperature of the sensor housing 15 after the temperature sensing unit 23 reaches the same temperature as the sensor housing 15 after a certain period of time. Terminals 11 of input circuit 4 via cords 21 and 22,
Sent to 12. The input circuit 4 converts the input obtained from the temperature sensor 2 into a temperature signal and sends it to the amplifier circuit 5.
The amplifier circuit 5 amplifies the input temperature signal with an amplification factor designated by the control circuit 6 and sends it to the control circuit 6. The control circuit 6 receives the temperature signal obtained from the temperature measurement circuit 3 and the amplification circuit 5
The type of the temperature sensor 2 is discriminated based on the characteristics of the temperature sensor 2 connected to the input circuit 4 by comparing and calculating the temperature signal obtained from the above. As a result, the amplification factor switching signal according to the type of the temperature sensor 2 is sent to the amplification circuit 5. After these initial settings are made, when the temperature sensor 2 is set as a control target, the control circuit 6 starts the original temperature control process. A microcomputer is used for the hardware configuration of the control circuit 6.
次に、制御回路６の動作を第３図のフローチャートに
基づいて系統的に説明する。Next, the operation of the control circuit 6 will be systematically described based on the flowchart of FIG.
最初に温度調節器に電源が投入されると（ステップ30
1）、初期値設定等のイニシャライズが実施される（ス
テップ302）。When the temperature controller is first powered on (step 30
1) Initialization such as initial value setting is performed (step 302).
次いで、一定時間経過し測温素子16および温度センサ
２の出力が安定したところで、それらの出力を内部へ取
込む測温処理がおこなわれる（ステップ303）。Next, when the outputs of the temperature measuring element 16 and the temperature sensor 2 become stable after a lapse of a certain period of time, a temperature measuring process of taking in those outputs is performed (step 303).
ここで測温素子16から得られた温度信号はセンサ収納
部15の温度を表すものであると同時に増幅回路５におい
て、初期設定された増幅率で増幅された温度センサ２の
温度信号レベルを読み取り、その時のセンサ収納部15の
温度に相当する温度信号のレベルと比較し、温度センサ
２の特性を識別し、その特性に基づいて、実際に接続さ
れている温度センサ２の種類を特定するセンサ判別処理
をおこなう（ステップ304）。Here, the temperature signal obtained from the temperature measuring element 16 represents the temperature of the sensor housing portion 15, and at the same time, the amplifier circuit 5 reads the temperature signal level of the temperature sensor 2 amplified by the initially set amplification factor. A sensor for identifying the characteristic of the temperature sensor 2 by comparing with the level of the temperature signal corresponding to the temperature of the sensor housing portion 15 at that time, and for identifying the type of the temperature sensor 2 actually connected based on the characteristic. Discrimination processing is performed (step 304).
次に判別された温度センサ２の種類に基づいて、増幅
回路５の増幅率変更レンジを適正なレンジに切換え保持
する増幅率切換処理がおこなわれる（ステップ305）。Next, based on the determined type of the temperature sensor 2, an amplification factor switching process for switching and holding the amplification factor changing range of the amplification circuit 5 to an appropriate range is performed (step 305).
以後、温度センサ２からの入力については適正な増幅
がなされた後、制御回路６に入力され、通常の温度制御
処理が開始される（ステップ306）。After that, the input from the temperature sensor 2 is appropriately amplified and then input to the control circuit 6, and the normal temperature control process is started (step 306).
なお、増幅回路部５において、設けられている切換え
可能の増幅率は、予め温度調節器に接続される温度セン
サの種類ごとの特性に対応して設定されている。The switchable amplification factor provided in the amplifier circuit unit 5 is set in advance in accordance with the characteristics of each type of temperature sensor connected to the temperature controller.
以上のように構成されたこの実施例では、共通の温度
調節器において、種々の特性の温度センサ２を接続して
用いる場合に、従来のようにドローアウト構造とする必
要がなくなり、単に温度センサを接続した後、背面のセ
ンサ収納部15に温度センサ２の感温部23を挿入するだけ
で自動的に温度センサ２のゲインに応じて増幅率が設定
される。そのため温度センサ接続時の煩わしさが解消さ
れ、同時に従来、起こりがちだった誤設定や、設定時の
コネクタの接触不良が解消されて、温度調節器の設置、
および保守が容易におこなえるようになる。In this embodiment configured as described above, when the temperature sensors 2 having various characteristics are connected and used in the common temperature controller, it is not necessary to have a drawout structure as in the conventional case, and the temperature sensor is simply used. After connecting, the amplification factor is automatically set according to the gain of the temperature sensor 2 simply by inserting the temperature sensing portion 23 of the temperature sensor 2 into the sensor housing portion 15 on the back surface. Therefore, the trouble of connecting the temperature sensor is eliminated, and at the same time, erroneous settings that have been common in the past and poor contact of the connector at the time of setting are eliminated, and the temperature controller is installed.
And maintenance becomes easy.
また、温度センサとして、種類ごとにゲインの著しく
ことなる熱電対方式の温度センサが用いられる場合に
は、センサ収納部15に設定される測温素子16の温度測定
に高精度を要求されることがなくなり、簡易な内部温度
センサでも充分に識別することができる。Further, when a thermocouple type temperature sensor whose gain is remarkably different for each type is used as the temperature sensor, high accuracy is required for temperature measurement of the temperature measuring element 16 set in the sensor housing portion 15. Can be identified even with a simple internal temperature sensor.
また反対に、測温素子16に高精度のものを設置してお
いて、接続された温度センサの微妙な特性の違いを識別
し、その特性に応じて増幅回路部５の増幅率を連続的に
変更して設定させることも可能である。On the contrary, a high-accuracy temperature measuring element 16 is installed, a subtle difference in the characteristics of the connected temperature sensors is identified, and the amplification factor of the amplifier circuit section 5 is continuously changed according to the characteristic. It is also possible to change to and set.
第１図はこの発明に係る実施例の一部を切り欠いた側面
図、第２図は電気的な内部構成を示すブロック図、第３
図は動作を示すフローチャートである。 １……本体 16……内部温度センサである測温素子 15……センサ収納部 ２……温度センサ 23……感温部 ３……測温回路 ４……入力回路 ５……増幅回路 ６……制御回路FIG. 1 is a side view in which a part of an embodiment according to the present invention is cut away, FIG. 2 is a block diagram showing an electrical internal structure, and FIG.
The figure is a flowchart showing the operation. 1 …… Main body 16 …… Temperature measuring element which is an internal temperature sensor 15 …… Sensor housing 2 …… Temperature sensor 23 …… Temperature sensing unit 3 …… Temperature measuring circuit 4 …… Input circuit 5 …… Amplifying circuit 6 ... ... Control circuit
Claims (1)
に収納する収納部と、 この収納部の温度を測定する内部温度センサと、 上記収納部に収納されると共に本体に接続された温度セ
ンサ、および上記内部温度センサから得られるそれぞれ
の温度信号を比較し、上記収納部に収納された温度セン
サの種類を判別する温度センサ判別手段と、 この判別手段から得られた判別結果に基づいて、上記温
度センサの温度信号を増幅する増幅回路の増幅率を、温
度センサの出力レベルに見合った増幅率に切り換える切
換え手段と、 を備えたことを特徴とする温度調節器。1. An accommodating portion provided inside the main body for detachably accommodating a temperature sensor, an internal temperature sensor for measuring the temperature of the accommodating portion, and a temperature accommodated in the accommodating portion and connected to the main body. Based on the discrimination result obtained from the temperature sensor discrimination means for comparing the respective temperature signals obtained from the sensor and the internal temperature sensor and discriminating the kind of the temperature sensor accommodated in the accommodating portion, and the discrimination result obtained from this discrimination means. A temperature controller comprising: switching means for switching an amplification factor of an amplification circuit for amplifying a temperature signal of the temperature sensor to an amplification factor corresponding to an output level of the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18524988A JP2671410B2 (en) | 1988-07-25 | 1988-07-25 | air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18524988A JP2671410B2 (en) | 1988-07-25 | 1988-07-25 | air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235509A JPH0235509A (en) | 1990-02-06 |
| JP2671410B2 true JP2671410B2 (en) | 1997-10-29 |
Family
ID=16167503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18524988A Expired - Lifetime JP2671410B2 (en) | 1988-07-25 | 1988-07-25 | air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2671410B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210001664A (en) * | 2019-06-28 | 2021-01-06 | 한국생산기술연구원 | Sensor data smart transceiver and the method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354175A (en) * | 2016-10-13 | 2017-01-25 | 广西大学 | Medicine storage environment management system |
| CN110618238B (en) * | 2019-09-29 | 2022-11-22 | 欧勒姆电气(珠海)有限公司 | Self-adaptive driving circuit of gas sensor |
-
1988
- 1988-07-25 JP JP18524988A patent/JP2671410B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210001664A (en) * | 2019-06-28 | 2021-01-06 | 한국생산기술연구원 | Sensor data smart transceiver and the method thereof |
| KR102252779B1 (en) * | 2019-06-28 | 2021-05-17 | 한국생산기술연구원 | Sensor data smart transceiver and the method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235509A (en) | 1990-02-06 |
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