JPH07180881A - Heater abnormality detection device for air conditioner - Google Patents
Heater abnormality detection device for air conditionerInfo
- Publication number
- JPH07180881A JPH07180881A JP5325661A JP32566193A JPH07180881A JP H07180881 A JPH07180881 A JP H07180881A JP 5325661 A JP5325661 A JP 5325661A JP 32566193 A JP32566193 A JP 32566193A JP H07180881 A JPH07180881 A JP H07180881A
- Authority
- JP
- Japan
- Prior art keywords
- heater
- temperature
- detecting
- air conditioner
- abnormality
- 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.)
- Pending
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
(57)【要約】
【目的】 空気調和機において、ヒーターの温度上昇速
度を用いてヒーターの異常検出を行い、異常表示を行
う。
【構成】 ヒーターの温度を検出する温度検出手段１
と、ヒーターに通電される時間を検出する通電時間検出
手段２と、前記温度検出手段１より検出した温度Ｋと前
記通電時間検出手段２より検出した時間Ｔよりヒーター
の温度上昇速度を算出する演算手段３と、ヒーター設定
温度上昇速度ＶOを記憶する記憶手段４と、前記ヒータ
ー温度上昇速度Ｖと前記設定温度上昇速度ＶOを比較判
定する比較判定手段５と、前記比較判定手段５にて判断
された出力信号によって異常表示を示す表示手段６とを
備える。
(57) [Summary] [Purpose] In an air conditioner, the temperature rise rate of the heater is used to detect the abnormality of the heater and display the abnormality. [Configuration] Temperature detecting means 1 for detecting the temperature of the heater
An energization time detecting means 2 for detecting a time for energizing the heater; a calculation for calculating a temperature rising rate of the heater from a temperature K detected by the temperature detecting means 1 and a time T detected by the energizing time detecting means 2. a means 3, a storage unit 4 for storing the heater preset temperature increase rate V O, the comparison determines the comparison determination unit 5 of the preset temperature increase rate V O and the heater temperature increase speed V, in the comparison determination unit 5 Display means 6 for indicating an abnormal display by the judged output signal.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、空気調和機のヒーター
異常検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heater abnormality detecting device for an air conditioner.
【０００２】[0002]
【従来の技術】従来のこの種のヒーター異常検出装置
は、実開昭５９−１７８５１９号公報に示すようにヒー
ターの周辺に温度ヒューズを設け、ある一定温度以上に
なると温度ヒューズが溶断して、ヒーターの通電を停止
させ、ヒーター異常過熱時における安全を確保してい
る。2. Description of the Related Art In a conventional heater abnormality detecting device of this type, a temperature fuse is provided around the heater as shown in Japanese Utility Model Laid-Open No. 59-178519, and when the temperature exceeds a certain temperature, the temperature fuse is blown. The energization of the heater is stopped to ensure safety when the heater overheats.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記従来の構
成では、温度ヒューズによってヒーター異常検出を行っ
ているため、ヒーターの温度が上昇しないと温度ヒュー
ズ溶断の症状が現れないために、ヒーターの異常検出が
できない。例えば、定格電圧１００Ｖの空気調和機に定
格電圧２００Ｖのヒーターが誤って取付られると設定以
下の温度までしか到達せず、ヒーターの異常検出ができ
ないという問題を有している。However, in the above-mentioned conventional structure, since the heater abnormality is detected by the temperature fuse, the phenomenon of fusing of the temperature fuse does not appear unless the temperature of the heater rises. Cannot be detected. For example, if a heater with a rated voltage of 200V is erroneously attached to an air conditioner with a rated voltage of 100V, the temperature of the heater reaches a temperature lower than a preset value, which causes a problem that the heater abnormality cannot be detected.
【０００４】本発明は上記従来の問題を解決するもの
で、ヒーター温度上昇速度を用いて、ヒーターの異常を
検出することを目的とするものである。The present invention solves the above-mentioned conventional problems, and an object of the present invention is to detect the abnormality of the heater by using the heater temperature rising speed.
【０００５】また、本発明は空気調和機の風量を検出
し、その風量に応じて、ヒーター温度上昇速度の設定値
を変更し、より精度よくヒーターの異常を検出すること
を目的とするものである。Another object of the present invention is to detect the air volume of an air conditioner, change the set value of the heater temperature rising speed according to the air volume, and detect the abnormality of the heater more accurately. is there.
【０００６】また、本発明は空気調和機の風向を検出
し、その風向に応じて、ヒーター温度上昇速度の設定値
を変更し、より精度よくヒーターの異常を検出すること
を目的とするものである。Another object of the present invention is to detect the wind direction of the air conditioner, change the set value of the heater temperature rising speed according to the wind direction, and detect the abnormality of the heater more accurately. is there.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明は、ヒーターの温度を検出する温度検出手段
と、ヒーターに通電される時間を検出する通電時間検出
手段と、前記温度検出手段より検出した温度と前記通電
時間検出手段より検出した時間よりヒーターの温度上昇
速度を算出する演算手段と、ヒーター設定温度上昇速度
を記憶する記憶手段と、前記ヒーター温度上昇速度と前
記設定温度上昇速度を比較判定する比較判定手段と、前
記比較判定手段にて判断された出力信号によって異常表
示を示す表示手段とを備えたものである。To achieve the above object, the present invention provides a temperature detecting means for detecting the temperature of a heater, an energizing time detecting means for detecting a time during which the heater is energized, and the temperature detecting means. Calculating means for calculating the temperature rise rate of the heater from the temperature detected by the above and the time detected by the energization time detecting means, storage means for storing the heater set temperature rise rate, the heater temperature rise rate and the set temperature rise rate Comparing and judging means for comparing and judging, and display means for indicating an abnormal display by the output signal judged by the comparing and judging means.
【０００８】また、本発明は、空気調和機の風量を検出
する風量検出手段を有し、前記風量の違いによって、前
記設定温度上昇速度の設定値を変更させる設定値変更手
段を備えたものである。Further, the present invention comprises an air volume detecting means for detecting the air volume of the air conditioner, and a set value changing means for changing the set value of the set temperature rising speed according to the difference in the air volume. is there.
【０００９】また、本発明は、空気調和機の風向を検出
する風向検出手段を有し、前記風向の違いによって、前
記設定温度上昇速度の設定値を変更させる設定値変更手
段を備えたものである。Further, the present invention comprises a wind direction detecting means for detecting the wind direction of the air conditioner, and a set value changing means for changing the set value of the set temperature rising speed according to the difference in the wind direction. is there.
【００１０】[0010]
【作用】上記構成において、本発明の空気調和機のヒー
ター異常検出装置は、ヒーターの温度上昇速度にて異常
検出を行うために、ヒーターの温度がヒューズが溶断温
度に到達しない場合においてもヒーターの異常を検出
し、異常表示ができる。In the above structure, the heater abnormality detecting device for the air conditioner of the present invention detects the abnormality at the temperature rising speed of the heater. Therefore, even if the temperature of the heater does not reach the melting temperature of the heater, Anomalies can be detected and displayed.
【００１１】また、本発明の空気調和機のヒーター異常
検出装置は、空気調和機の風量を検出し、その風量に応
じて、ヒーター温度上昇速度の設定値を変更し、より精
度よくヒーターの異常を検出し、異常表示することがで
きる。Further, the heater abnormality detecting device of the air conditioner of the present invention detects the air volume of the air conditioner and changes the set value of the heater temperature rising speed in accordance with the air volume to detect the heater abnormality more accurately. Can be detected and an error can be displayed.
【００１２】また、本発明の空気調和機のヒーター異常
検出装置は、空気調和機の風向を検出し、その風向に応
じて、ヒーター温度上昇速度の設定値を変更し、より精
度よくヒーターの異常を検出し、異常表示することがで
きる。Further, the heater abnormality detecting device for an air conditioner of the present invention detects the wind direction of the air conditioner, changes the set value of the heater temperature rising speed according to the wind direction, and more accurately detects the heater abnormality. Can be detected and an error can be displayed.
【００１３】[0013]
【実施例】以下、本発明の空気調和機のヒーター異常検
出装置の一実施例について図１〜図６を参照しながら説
明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a heater abnormality detecting device for an air conditioner according to the present invention will be described below with reference to FIGS.
【００１４】図１は本発明の一実施例における空気調和
機のヒーター異常検出装置のブロック図である。１はヒ
ーターの温度を検出する温度検出手段、２はヒーターに
通電される時間を検出する通電時間検出手段、３は前記
温度検出手段より検出した温度と前記通電時間検出手段
より検出した時間よりヒーターの温度上昇速度を算出す
る演算手段、４はヒーターの設定温度上昇速度を記憶す
る記憶手段、５は前記ヒーター温度上昇速度と、前記設
定温度上昇速度を比較判定する比較判定手段、６は前記
比較判定手段にて判断された出力信号によって異常表示
を示す表示手段、７は空気調和機の風量を検出する風量
検出手段、８は前記風量の違いによって、前記設定温度
上昇速度の設定値を変更させる設定値変更手段、９は空
気調和機の風向を検出する風向検出手段である。FIG. 1 is a block diagram of a heater abnormality detecting device for an air conditioner according to an embodiment of the present invention. 1 is a temperature detecting means for detecting the temperature of the heater, 2 is an energizing time detecting means for detecting the time during which the heater is energized, and 3 is a heater based on the temperature detected by the temperature detecting means and the time detected by the energizing time detecting means. Calculation means for calculating the temperature rise rate of the heater, 4 is storage means for storing the set temperature rise rate of the heater, 5 is comparison determination means for comparing the heater temperature rise rate with the set temperature rise rate, and 6 is the comparison Display means for displaying an abnormal display according to the output signal judged by the judging means, 7 is an air volume detecting means for detecting the air volume of the air conditioner, and 8 is for changing the set value of the set temperature rising speed depending on the difference in the air volume The set value changing means 9 is an air direction detecting means for detecting the air direction of the air conditioner.
【００１５】図２は空気調和機のヒーター異常検出装置
の一実施例における回路図である。１はサーミスター等
で構成される温度検出手段、６はＬＥＤ等より構成され
る表示手段、１０はヒーター、１１は室内ファンモー
タ、１２は風向変更モータ、１３は制御部で、通電時間
検出手段２や、演算手段３や、記憶手段４や、比較判定
手段５や、室内ファンモータ１１の指示信号を検出する
風量検出手段７や、設定値変更手段８や風向変更モータ
１２の指示信号を検出する風向検出手段９等をマイコン
に内蔵している。FIG. 2 is a circuit diagram of an embodiment of a heater abnormality detecting device for an air conditioner. Reference numeral 1 is a temperature detecting means composed of a thermistor, 6 is a display means composed of an LED or the like, 10 is a heater, 11 is an indoor fan motor, 12 is a wind direction changing motor, 13 is a controller, and an energization time detecting means. 2, the calculation means 3, the storage means 4, the comparison determination means 5, the air volume detection means 7 for detecting the instruction signal of the indoor fan motor 11, the set value changing means 8, and the instruction signal of the wind direction changing motor 12. The wind direction detecting means 9 and the like are incorporated in the microcomputer.
【００１６】（実施例１）図３は同ヒーター異常検出装
置の第１の実施例の動作の流れを示すフローチャート
で、最初にステップ１でヒーターの設定温度上昇速度Ｖ
0を設定し、次にステップ２でヒーター温度Ｋ1、ステッ
プ３でヒーター通電時間Ｔ1を読み込み、ステップ４で
前記ヒーター温度Ｋ1とヒーター通電時間Ｔ1よりヒータ
ーの温度上昇速度Ｖ1を算出する。ステップ５でこの温
度上昇速度Ｖ1と前記設定温度上昇速度ＶOを比較・判定
を行い、Ｖ0＝Ｖ1のときにはヒーターは正常であると判
断し、動作を継続し動作流れの最初にもどる。またＶ0
≠Ｖ1のときにはヒーターは異常状態であると判断し、
ステップ６で異常表示を示す表示を出す。(Embodiment 1) FIG. 3 is a flow chart showing the operation flow of the first embodiment of the heater abnormality detecting apparatus. First, in step 1, the set temperature rising speed V of the heater is set.
0 is set, then the heater temperature K 1 is read in step 2, the heater energization time T 1 is read in step 3, and the heater temperature rising speed V 1 is calculated from the heater temperature K 1 and the heater energization time T 1 in step 4. To do. In step 5, this temperature rising speed V 1 and the set temperature rising speed V O are compared and judged. When V 0 = V 1 , it is judged that the heater is normal, and the operation is continued and the operation flow returns to the beginning. . Also V 0
When ≠ V 1 , it is judged that the heater is in an abnormal state,
In step 6, a display showing an abnormal display is issued.
【００１７】（実施例２）図４は同ヒーター異常検出装
置の第２の実施例の動作の流れを示すフローチャート
で、最初にステップ１１でヒーターの設定温度上昇速度
Ｖ0、ステップ１２で設定風量電圧Ｅ0を設定し、次にス
テップ１３でヒーター温度Ｋ1、ステップ１４でヒータ
ー通電時間Ｔ1を読み込み、ステップ１５で前記ヒータ
ー温度Ｋ1とヒーター通電時間Ｔ1よりヒーターの温度上
昇速度Ｖ1を算出する。次にステップ１６で風量電圧Ｅ1
を読み込み、ステップ１７でこの風量電圧Ｅ1と前記設
定風量電圧Ｅ0を比較・判定を行い、Ｅ0＝Ｅ1のときに
は前記設定温度上昇速度Ｖ0の設定値は変更せず、さら
にステップ１８でこの設定温度上昇速度Ｖ0と前記温度
上昇速度Ｖ1を比較・判定を行い、Ｖ0＝Ｖ1のときには
ヒーターは正常であると判断し、動作を継続し動作流れ
の最初にもどる。またＶ0≠Ｖ1のときにはヒーターは異
常状態であると判断し、ステップ１９で異常表示を示す
表示を出す。(Embodiment 2) FIG. 4 is a flow chart showing the operation flow of the second embodiment of the heater abnormality detecting apparatus. First, in step 11, the set temperature rising speed V 0 of the heater and in step 12 the set air volume. The voltage E 0 is set, then the heater temperature K 1 is read in step 13, the heater energization time T 1 is read in step 14, and the heater temperature rising speed V 1 is calculated from the heater temperature K 1 and the heater energization time T 1 in step 15. To calculate. Next, in step 16, the air volume voltage E 1
Reads, this air volume voltage E 1 at step 17 performs the comparing and determining the set air volume voltage E 0, is not changed set values of the preset temperature increase rate V 0 at the time of E 0 = E 1, further step 18 Then, the set temperature rising speed V 0 and the temperature rising speed V 1 are compared and judged. When V 0 = V 1 , it is judged that the heater is normal, the operation is continued, and the operation is returned to the beginning. When V 0 ≠ V 1 , it is determined that the heater is in an abnormal state, and in step 19, a display indicating an abnormal display is displayed.
【００１８】Ｅ0≠Ｅ1のときにはステップ２０で前記設
定温度上昇速度Ｖ0の設定値をＶ0からＶ01に設定変更す
る。次にステップ２１でこの設定温度上昇速度Ｖ01と前
記温度上昇速度Ｖ1を比較・判定を行い、Ｖ01＝Ｖ1のと
きにはヒーターは正常であると判断し、動作を継続し動
作流れの最初にもどる。またＶ01≠Ｖ1のときにはヒー
ターは異常状態であると判断し、ステップ２２で異常表
示を示す表示を出す。When E 0 ≠ E 1 , in step 20, the set value of the set temperature rising speed V 0 is changed from V 0 to V 01 . Next, at step 21, the set temperature rising speed V 01 and the temperature rising speed V 1 are compared and judged. When V 01 = V 1 , it is judged that the heater is normal, and the operation is continued and the operation flow is started. Return to. When V 01 ≠ V 1 , it is determined that the heater is in an abnormal state, and in step 22, a display indicating an abnormal display is displayed.
【００１９】（実施例３）図５は同ヒーター異常検出装
置の第３の実施例の動作の流れを示すフローチャート
で、最初にステップ３１でヒーターの設定温度上昇速度
Ｖ0、ステップ３２で設定風向角度θ0を設定し、次にス
テップ３３でヒーター温度Ｋ1、ステップ３４でヒータ
ー通電時間Ｔ1を読み込み、ステップ３５で前記ヒータ
ー温度Ｋ1とヒーター通電時間Ｔ1よりヒーターの温度上
昇速度Ｖ1を算出する。次にステップ３６で風向角度θ1
を読み込み、ステップ３７でこの風向角度θ1と前記設
定風向角度θ0を比較・判定を行い、θ0＝θ1のときに
は前記設定温度上昇速度Ｖ0の設定値は変更せず、さら
にステップ３８でこの設定温度上昇速度Ｖ0と前記温度
上昇速度Ｖ1を比較・判定を行い、Ｖ0＝Ｖ1のときには
ヒーターは正常であると判断し、動作を継続し動作流れ
の最初にもどる。またＶ0≠Ｖ1のときにはヒーターは異
常状態であると判断し、ステップ３９で異常表示を示す
表示を出す。(Embodiment 3) FIG. 5 is a flow chart showing the operation flow of the third embodiment of the heater abnormality detecting apparatus. First, in step 31, the set temperature rising speed V 0 of the heater and in step 32 the set wind direction. The angle θ 0 is set, then the heater temperature K 1 is read in step 33, the heater energization time T 1 is read in step 34, and the heater temperature rising speed V 1 is read from the heater temperature K 1 and the heater energization time T 1 in step 35. To calculate. Next, at step 36, the wind direction angle θ 1
In step 37, the wind direction angle θ 1 and the set wind direction angle θ 0 are compared and determined. When θ 0 = θ 1 , the set value of the set temperature rising speed V 0 is not changed, and further step 38 Then, the set temperature rising speed V 0 and the temperature rising speed V 1 are compared and judged. When V 0 = V 1 , it is judged that the heater is normal, the operation is continued, and the operation is returned to the beginning. Further, when V 0 ≠ V 1 , it is determined that the heater is in an abnormal state, and a display indicating an abnormal display is displayed in step 39.
【００２０】θ0≠θ1のときにはステップ４０で前記設
定温度上昇速度Ｖ0の設定値をＶ0からＶ02に設定変更す
る。次にステップ４１でこの設定温度上昇速度Ｖ02と前
記温度上昇速度Ｖ1を比較・判定を行い、Ｖ02＝Ｖ1のと
きにはヒーターは正常であると判断し、動作を継続し動
作流れの最初にもどる。またＶ02≠Ｖ1のときにはヒー
ターは異常状態であると判断し、ステップ４２で異常表
示を示す表示を出す。When θ 0 ≠ θ 1 , the set value of the set temperature rising speed V 0 is changed from V 0 to V 02 in step 40. Next, at step 41, the set temperature rising speed V 02 and the temperature rising speed V 1 are compared and judged, and when V 02 = V 1 , it is judged that the heater is normal, and the operation is continued and the operation flow is started. Return to. When V 02 ≠ V 1 , it is determined that the heater is in an abnormal state, and in step 42, a display indicating an abnormal display is displayed.
【００２１】図６は同ヒーター異常検出装置のヒーター
温度上昇速度の特性について示しており、ヒーター通電
時間０からＴ1までの温度上昇速度が、（Ｋa−０）／Ｔ
1＝Ｖaが正常な状態とすると、（Ｋb−０）／Ｔ1＝Ｖb
および（Ｋc−０）／Ｔ1＝Ｖ cは、ヒーター異常状態を
示しており、例えばＶa＜Ｖbの状態は、定格電圧２００
Ｖの空気調和機に１００Ｖ仕様のヒーターが誤接続した
場合に見られる現象である。逆にＶc＜Ｖaの状態は、定
格電圧１００Ｖの空気調和機に２００Ｖ仕様のヒーター
が誤接続した場合に見られる現象である。FIG. 6 is a heater of the heater abnormality detecting device.
The characteristics of the temperature rise rate are shown, and the heater is energized.
Time 0 to T1The temperature rise rate up to (Ka-0) / T
1= VaIs normal, (Kb-0) / T1= Vb
And (Kc-0) / T1= V cIndicates an abnormal heater condition
Shows, for example, Va<VbIs the rated voltage of 200
A 100V specification heater was incorrectly connected to a V air conditioner.
This is the phenomenon seen in some cases. Conversely, Vc<VaThe state of
200V heater for 100V rated air conditioner
This is a phenomenon that can be seen when the connection is incorrect.
【００２２】以上のように本発明の第１の実施例によれ
ば、ヒーターの温度を検出し、さらにヒーターに通電さ
れる時間を検出することでヒーターの温度上昇速度を算
出し、設定温度上昇速度Ｖ0と温度上昇速度Ｖ1とを比較
判定することで、ヒーターの異常検出を行い異常表示を
行うことができるため、従来検出できなかった異電圧機
種へ誤接続した場合の検出が可能になり、さらに異常表
示することで、使用者がヒーター異常を認識することが
できる。また製造上での異電圧機種へ誤搭載の確認が容
易となる。As described above, according to the first embodiment of the present invention, the temperature rise rate of the heater is calculated by detecting the temperature of the heater and further detecting the time for which the heater is energized to raise the set temperature. By comparing and determining the speed V 0 and the temperature increase speed V 1, it is possible to detect the abnormality of the heater and display the abnormality. Therefore, it is possible to detect when a wrong connection is made to a different voltage model that could not be detected conventionally. By further displaying the abnormality, the user can recognize the heater abnormality. In addition, it is easy to confirm that a wrong voltage is mounted on a different voltage model during manufacturing.
【００２３】また、本発明の第２の実施例によれば、空
気調和機の風量を検出し、前記風量に応じて、前記設定
温度上昇速度Ｖ0の設定値を変更し、より精度よくヒー
ター異常検出することができる。Further, according to the second embodiment of the present invention, the air volume of the air conditioner is detected, and the set value of the set temperature rising speed V 0 is changed according to the air volume, so that the heater can be operated more accurately. Anomalies can be detected.
【００２４】また、本発明の第３の実施例によれば、空
気調和機の風向を検出し、前記風向に応じて、前記設定
温度上昇速度Ｖ0の設定値を変更し、より精度よくヒー
ター異常検出することができる。Further, according to the third embodiment of the present invention, the wind direction of the air conditioner is detected, and the set value of the set temperature rising speed V 0 is changed according to the wind direction, so that the heater can be operated more accurately. Anomalies can be detected.
【００２５】[0025]
【発明の効果】以上の説明から明らかなように、本発明
の空気調和機のヒーター異常検出装置は、ヒーターの温
度を検出する温度検出手段と、ヒーターに通電される時
間を検出する通電時間検出手段と、前記温度検出手段よ
り検出した温度と前記通電時間検出手段より検出した時
間よりヒーターの温度上昇速度を算出する演算手段と、
ヒーターの設定温度上昇速度を記憶する記憶手段と、前
記ヒーター温度上昇速度と前記設定温度上昇速度を比較
判定する比較判定手段と、前記比較判定手段にて判断さ
れた出力信号によって異常表示を示す表示手段とを備え
たことで、従来検出できなかった異電圧機種へ誤接続し
た場合の検出が可能になり、さらに異常表示すること
で、使用者がヒーター異常を認識することができる。ま
た製造上での異電圧機種へ誤搭載確認が容易となる。As is apparent from the above description, the heater abnormality detecting device for an air conditioner of the present invention is provided with a temperature detecting means for detecting the temperature of the heater and an energizing time detecting means for detecting the time during which the heater is energized. Means, computing means for calculating the temperature rise rate of the heater from the temperature detected by the temperature detection means and the time detected by the energization time detection means,
Storage means for storing the set temperature rise rate of the heater, comparison determination means for comparing the heater temperature rise rate with the set temperature rise rate, and a display indicating an abnormal display by the output signal determined by the comparison determination means By providing the means, it becomes possible to detect when a wrong connection is made to a model of different voltage which could not be detected conventionally, and further, by displaying an abnormality, the user can recognize the heater abnormality. In addition, it is easy to confirm incorrect mounting on different voltage models during manufacturing.
【００２６】また、本発明の空気調和機のヒーター異常
検出装置は、空気調和機の風量を検出する風量検出手段
を有し、前記風量に応じて、前記設定温度上昇速度の設
定値を変更させる機能を備えたことで、より精度よくヒ
ーター異常検出することができる。Further, the heater abnormality detecting device for an air conditioner of the present invention has an air volume detecting means for detecting the air volume of the air conditioner, and changes the set value of the set temperature rising speed according to the air volume. By providing the function, the heater abnormality can be detected more accurately.
【００２７】また、本発明の空気調和機のヒーター異常
検出装置は、空気調和機の風向を検出する風向検出手段
を有し、前記風向に応じて、前記設定温度上昇速度の設
定値を変更させる機能を備えたことで、より精度よくヒ
ーター異常検出することができる。Further, the heater abnormality detecting device for an air conditioner of the present invention has wind direction detecting means for detecting the wind direction of the air conditioner, and changes the set value of the set temperature rising speed according to the wind direction. By providing the function, the heater abnormality can be detected more accurately.
【図１】本発明の一実施例における空気調和機のヒータ
ー異常検出装置のブロック図FIG. 1 is a block diagram of a heater abnormality detection device for an air conditioner according to an embodiment of the present invention.
【図２】同、空気調和機のヒーター異常検出装置の回路
図FIG. 2 is a circuit diagram of the heater abnormality detection device of the air conditioner.
【図３】本発明の第１の実施例におけるフローチャート
図FIG. 3 is a flowchart of the first embodiment of the present invention.
【図４】本発明の第２の実施例におけるフローチャート
図FIG. 4 is a flowchart of the second embodiment of the present invention.
【図５】本発明の第３の実施例におけるフローチャート
図FIG. 5 is a flowchart of the third embodiment of the present invention.
【図６】本発明の一実施例におけるヒーター異常検出装
置のヒーター温度上昇速度の特性図FIG. 6 is a characteristic diagram of a heater temperature rising speed of the heater abnormality detection device according to the embodiment of the present invention.
１ 温度検出手段 ２ 通電時間検出手段 ３ 演算手段 ４ 記憶手段 ５ 比較判定手段 ６ 表示手段 ７ 風量検出手段 ８ 設定値変更手段 ９ 風向検出手段 1 Temperature Detection Means 2 Energization Time Detection Means 3 Calculation Means 4 Storage Means 5 Comparison Judgment Means 6 Display Means 7 Air Volume Detection Means 8 Set Value Change Means 9 Wind Direction Means
Claims (3)
と、ヒーターに通電される時間を検出する通電時間検出
手段と、前記温度検出手段より検出した温度と前記通電
時間検出手段より検出した時間よりヒーターの温度上昇
速度を算出する演算手段と、ヒーターの設定温度上昇速
度を記憶する記憶手段と、前記ヒーター温度上昇速度と
前記設定温度上昇速度を比較判定する比較判定手段と、
前記比較判定手段にて判断された出力信号によって異常
表示を示す表示手段とを備えた空気調和機のヒーター異
常検出装置。1. A temperature detecting means for detecting a temperature of a heater, an energizing time detecting means for detecting a time during which the heater is energized, a temperature detected by the temperature detecting means and a time detected by the energizing time detecting means. Calculating means for calculating the temperature rise rate of the heater, storage means for storing the set temperature rise rate of the heater, comparison determination means for comparing and determining the heater temperature rise rate and the set temperature rise rate,
A heater abnormality detection device for an air conditioner, comprising: a display unit that indicates an abnormality by an output signal determined by the comparison determination unit.
段を有し、前記風量の違いによって設定温度上昇速度の
設定値を変更させる設定値変更手段を備えた請求項１記
載の空気調和機のヒーター異常検出装置。2. The air conditioner according to claim 1, further comprising air volume detection means for detecting the air volume of the air conditioner, and set value changing means for changing the set value of the set temperature rising speed according to the difference in the air volume. Heater abnormality detection device.
段を有し、前記風向の違いによって設定温度上昇速度の
設定値を変更させる設定値変更手段を備えた請求項１記
載の空気調和機のヒーター異常検出装置。3. The air conditioner according to claim 1, further comprising a wind direction detecting means for detecting a wind direction of the air conditioner, and a set value changing means for changing a set value of the set temperature rising speed according to the difference in the wind direction. Heater abnormality detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5325661A JPH07180881A (en) | 1993-12-24 | 1993-12-24 | Heater abnormality detection device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5325661A JPH07180881A (en) | 1993-12-24 | 1993-12-24 | Heater abnormality detection device for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07180881A true JPH07180881A (en) | 1995-07-18 |
Family
ID=18179311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5325661A Pending JPH07180881A (en) | 1993-12-24 | 1993-12-24 | Heater abnormality detection device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07180881A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509236A (en) * | 2015-12-18 | 2016-04-20 | 宁波奥克斯空调有限公司 | Control method for air conditioner assisted electric heating |
| WO2018225485A1 (en) * | 2017-06-05 | 2018-12-13 | サンデン・オートモーティブクライメイトシステム株式会社 | Vehicle air conditioner |
| US11118794B1 (en) | 2020-07-15 | 2021-09-14 | Haier Us Appliance Solutions, Inc. | Air conditioner units and methods for heater assembly protection |
| CN116558058A (en) * | 2023-04-14 | 2023-08-08 | 宁波奥克斯电气股份有限公司 | Alarm control method and device for air conditioner and air conditioner |
-
1993
- 1993-12-24 JP JP5325661A patent/JPH07180881A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509236A (en) * | 2015-12-18 | 2016-04-20 | 宁波奥克斯空调有限公司 | Control method for air conditioner assisted electric heating |
| WO2018225485A1 (en) * | 2017-06-05 | 2018-12-13 | サンデン・オートモーティブクライメイトシステム株式会社 | Vehicle air conditioner |
| US11118794B1 (en) | 2020-07-15 | 2021-09-14 | Haier Us Appliance Solutions, Inc. | Air conditioner units and methods for heater assembly protection |
| CN116558058A (en) * | 2023-04-14 | 2023-08-08 | 宁波奥克斯电气股份有限公司 | Alarm control method and device for air conditioner and air conditioner |
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