JPH06317368A - Remote monitoring system for air conditioner - Google Patents

Remote monitoring system for air conditioner

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Publication number
JPH06317368A
JPH06317368A JP13012093A JP13012093A JPH06317368A JP H06317368 A JPH06317368 A JP H06317368A JP 13012093 A JP13012093 A JP 13012093A JP 13012093 A JP13012093 A JP 13012093A JP H06317368 A JPH06317368 A JP H06317368A
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Prior art keywords
temperature
air conditioner
communication
monitoring system
remote monitoring
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JP13012093A
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Japanese (ja)
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JP3133554B2 (en )
Inventor
Tetsuo Kishimoto
Satoru Suzuki
哲郎 岸本
覚 鈴木
Original Assignee
Sanyo Electric Co Ltd
三洋電機株式会社
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Abstract

PURPOSE: To delete a facility cost, a communication cost by providing a fuel gage, a monitor for storing a communication protocol, and a communication unit for a telephone channel.
CONSTITUTION: A gas flow rate to be measured by a microcomputer gas meter 4 is sent to a gas company through a communication unit 3 for a telephone channel and a public telephone channel 21, and operation information of an air conditioner 1 input to a monitor 2 is compared with a set value. When a malfunction occurs, a communication is conducted to the company or an apparatus service station from the monitor 2 through a signal communication line 13, the unit 3 and the channel 21 or an inquiry can be reversely conducted from the company, the station. Thus, the monitor 2 has a communication protocol matched to the unit 3 so as to output obtained information through a telephone channel 22. Thus, number of the channels 22 can be deleted, and a facility cost, monthly communication cost can be deleted.
COPYRIGHT: (C)1994,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、ガスなどの燃焼熱を高温熱源または駆動力源として利用する、吸収冷凍機やガスエンジンヒートポンプなどの遠隔監視システムに関するものであり、特に詳しくは通信手段に電話回線を使用したものである。 BACKGROUND OF THE INVENTION The present invention utilizes the heat of combustion of such gas as a high-temperature heat source or a driving force source, is related remote monitoring system, such as absorption refrigeration machines and gas engine heat pumps, in particular detail the communication means it is obtained by using a telephone line.

【0002】 [0002]

【従来の技術】従来、この種の遠隔監視システムとして、図4に示した構成したものが周知である。 Conventionally, as this kind of remote monitoring systems, it is well known those configurations shown in FIG. この監視システムは、主にマイコンガスメータ4の普及に伴ってガス検針が自動化されつつあることから、この自動ガス検針システムに空気調和機1の遠隔監視を組み合わせたものである。 The monitoring system, mainly from the gas meter reading with the spread of the microcomputer gas meter 4 is being automated, this automatic gas meter reading system is a combination of remote monitoring of the air conditioner 1.

【0003】このため、ガスを燃料とする空気調和機1 [0003] Air conditioner 1 for this reason, the gas and fuel
に通信モデム(図示せず)を備えた監視装置2を信号通信線11を介して接続し、この監視装置2に顧客側の空調管理室などに設置していた電話5を電話回線23を介して接続すると共に、公衆電話回線21に接続するための電話回線用通信装置3を電話回線24を介して接続し、さらに、この電話回線用通信装置3に信号通信線1 The monitoring device 2 having a communication modem (not shown) connected via a signal communication line 11, via the telephone line 23 to telephone 5 which has been installed in the customer side of the air conditioning management chamber to the monitoring apparatus 2 in with connecting Te, a telephone line communication device 3 for connecting to a public telephone line 21 connected via the telephone line 24, further signal communication line to the telephone line communication apparatus 3 1
2を介して、空気調和機1に供給するガスの使用量を計測するマイコンガスメータ4を接続した構成となっている。 Through 2, and has a configuration of connecting the microcomputer gas meter 4 for measuring the amount of gas supplied to the air conditioner 1.

【0004】したがって、客先ではこれまで通り空調管理室などに設置している電話5を取り上げてダイヤルすることにより、電話回線23・監視装置2・電話回線2 [0004] Thus, by the customer to dial it picks up the phone 5 is installed in such as air conditioning control room to this, the telephone line 23 and monitoring device 2 and telephone line 2
4・電話回線用通信装置3・公衆電話回線21を介して外部と通信することが可能であり、ガス会社からも公衆電話回線21を介して電話回線用通信装置3に入り、マイコンガスメータ4が計測したガスの使用量はもちろん、監視装置2によって監視している空気調和機1の運転状況をも適宜把握することができる。 4, telephone via the line communication device 3 and public telephone network 21 may communicate with the outside, it enters the telephone line communication apparatus 3 via the public telephone line 21 from the gas company, the microcomputer gas meter 4 the amount of the measurement gas, of course, can also be appropriately grasp the operation status of the air conditioner 1 that are monitored by the monitoring device 2.

【0005】 [0005]

【発明が解決しようとする課題】しかし、上記構成の従来の遠隔監視システムにおいては、電話回線を三本装備する必要があったので、設備費が高くつくだけでなく月々の通信コストも高くなると云った問題点があり、この点の解決が課題とされていた。 The object of the invention is to be Solved However, in the conventional remote monitoring system of the above-described configuration, because there was a need to be equipped with three telephone lines, monthly communication cost not only get high capital cost also becomes higher kind of problems there, resolution of this point has been a challenge.

【0006】 [0006]

【課題を解決するための手段】本発明は上記従来技術の課題を解決するための具体的手段として、ガスなどの燃焼熱を高温熱源または駆動力源として利用する空気調和機の遠隔監視システムにおいて、燃料の供給量を計測する燃料計と、空気調和機の運転情報を信号通信線を介して入力し、この情報から異常状態などを検知し、プロトコルを記憶した監視装置と、この監視装置および前記燃料計が信号通信線を介して接続された、公衆電話回線に接続するための電話回線用通信装置と、を備えたことを特徴とする空気調和機の遠隔監視システムと、 The present invention SUMMARY OF] As specific means for solving the problems of the prior art, in the remote monitoring system of an air conditioner utilizing the heat of combustion of such gas as a high-temperature heat source or a driving power source a fuel meter for measuring the amount of fuel supplied, the operation information of the air conditioner inputted via the signal communication line, detected and abnormal state from this information, a monitoring device that stores protocol, the monitoring device and the fuel gauge is connected via a signal communication line, and the remote monitoring system for an air conditioner characterized by comprising a communication device for telephone line for connection to a public telephone line,

【0007】信号通信線を介して再生器温度および吸収器に流入する冷却水の入口側温度を運転情報として入力する監視装置と、この監視装置が信号通信線を介して接続された通信装置とを有する吸収冷凍機の遠隔監視システムにおいて、再生器の温度異常を予知する基準温度を、前記冷却水温度に基づいて変更することを特徴とする空気調和機の遠隔監視システムと、を提供することにより、前記した従来技術の課題を解決するものである。 [0007] a monitoring device for inputting the operation information of the inlet side temperature of the cooling water flowing into the regenerator temperature and the absorber via a signal communication line, a communication device and that the monitoring device is connected via a signal communication line in the absorption refrigerating machine remote monitoring system having, providing, and remote monitoring system for an air conditioner and changes based on the reference temperature to predict the abnormal temperature of the regenerator, the cooling water temperature Accordingly, it is intended to solve the problems of the aforementioned prior art.

【0008】 [0008]

【作用】 [Action]

請求項1;空気調和機を設置すると共に燃料を供給しているガス会社などでは公衆電話回線を使用して電話回線用通信装置に入り、これに接続しているマイコンガスメータなどの燃料計で計測した燃料の使用量と、監視装置による空気調和機の運転状況とを適宜把握することが可能であり、また、客先においては電話回線用通信装置を介して外部と通信することができる。 Claim 1; enters the communication device for a telephone line using a public telephone line or the like gas companies that supply fuel with installing the air conditioner, measured by the fuel meter, such as a microcomputer gas meter connected thereto and the amount of fuel that has, it is possible to properly grasp the operation status of the air conditioner by the monitoring device, can also communicate with the outside via a communication device for telephone lines in customer's.

【0009】請求項2;冷却水の温度が上昇した時には、再生器の温度異常を予知する限界温度を適宜上に上げることで、精度の高い異常予知が可能になる。 [0009] Claim 2; when the temperature of the cooling water is increased, by raising on appropriate limit temperature to predict the abnormal temperature of the regenerator, allowing accurate Anomaly.

【0010】 [0010]

【実施例】 【Example】

(実施例1)本発明の第1の実施例を図1に基づいて詳細に説明する。 A first embodiment (Embodiment 1) The present invention will be described in detail with reference to FIG. なお、この図において、図4に示したのと同じ符号で示した部分は、図4により説明した部分と同一の機能を持つ部分であり、本発明の理解を妨げない範囲で説明は省略した。 Incidentally, in this figure, portions indicated by the same reference numerals as those shown in FIG. 4 is a portion having the same function as that portion explained in FIG. 4, described within a range which does not impair the understanding of the present invention have been omitted .

【0011】図中1は、ガスを燃料とする吸収冷凍機あるいはガスエンジン駆動式ヒートポンプからなる空気調和機である。 [0011] figure 1 is an air conditioner comprising a absorption refrigerating machine or gas engine driven heat pump to the gas as fuel. そして、この場合の遠隔監視システムは、 The remote monitoring system in this case,
監視装置2と電話回線用通信装置3とが信号通信線13 Monitoring apparatus 2 and the telephone line communication device 3 and the signal communication line 13
を介して接続され、電話回線用通信装置3には顧客側の電話5に接続した電話回線22が接続していて、 Are connected via a, telephone line communication device 3 are connected telephone line 22 connected to the telephone 5 of the customer side,

【0012】客先では電話5でダイヤルすることにより、電話回線22・電話回線用通信装置3・公衆電話回線21を介して外部と通信することが可能であり、 [0012] By dialing the telephone 5 in the customer, it is possible to communicate with the outside via a telephone line 22 and telephone line communication device 3 and public telephone line 21,

【0013】マイコンガスメータ4が計測するガス流量を電話回線用通信装置3・公衆電話回線21を介してガス会社へ送ると共に、監視装置2に入力された空気調和機1の運転情報と予め設定した設定値とを比較・演算し、異常が生じた時には適宜、監視装置2から信号通信線13・電話回線用通信装置3・公衆電話回線21を介してガス会社や機器のサービスステーションに連絡が入るようにしたり、ガス会社や機器のサービスステーションから逆に問い合わせることができるようになっている。 [0013] The microcomputer gas meter 4 via the gas flow communication device for a telephone line 3 and public telephone line 21 for measuring and sends to the gas company, was previously set to the operation information of the air conditioner 1 that is input to the monitoring apparatus 2 and comparison and calculation of the set value, as appropriate when an abnormality occurs, enters the contact gas company and service station equipment via the signal communication line 13, telephone line communication device 3 and public telephone line 21 from the monitoring apparatus 2 or, as in, so that it is possible to query the reverse from the service station of the gas company and equipment.

【0014】このため、監視装置2には制御装置が通常有する入出力部・メモリー部・比較演算処理部などの機能と共に、得た情報を電話回線を介して出力することができるように、電話回線用通信装置3に合った通信プロトコルを備えている。 [0014] Therefore, the functions such as input and output unit memory unit and compare the arithmetic processing unit to the monitoring unit 2 the control device usually has to be able to information obtained through the telephone line output, phone and a communication protocol that matches the line communication device 3.

【0015】(実施例2)以下、本発明の第2の実施例を主に図2・図3に基づいて説明する。 [0015] (Example 2) will be described with reference to the second embodiment mainly FIGS. 2 and 3 of the present invention.

【0016】図2は、図1に示した空気調和機1が、例えばガスの燃焼熱によって高温再生器で溶液を加熱することで、冷媒を蒸発分離するように設けた吸収冷温水機であって、この空気調和機1が正常に機能しているか、 [0016] Figure 2, the air conditioner 1 shown in FIG. 1, for example, by heating the solution in the high-temperature regenerator by combustion heat of the gas, there in the absorption chiller which is provided so as to evaporate separating refrigerant Te, or the air conditioner 1 is functioning normally,
異常が発生しているか、あるいは異常の兆候があるか否かを、高温再生器の内部で加熱されている溶液の温度T The temperature T of the abnormality has occurred, or whether there is an indication of abnormality, is heated inside the high-temperature regenerator solution
1と、吸収器を冷却するために取り込まれている冷却水の入口側温度T2と、の関係に基づいて判別するための一基準例を示したものである。 1 shows a first reference example for discriminating based on the inlet side and the temperature T2, the relationship between the cooling water is taken to cool the absorber.

【0017】同図において、溶液温度T1が所定温度、 [0017] In the figure, the solution temperature T1 is the predetermined temperature,
例えば165℃以上になれば、冷却水温度T2の如何に拘らず異常が発生していると判定し、165℃未満であって異常が起こりつつあると判定する、いわゆる異常予知の下限温度を、前記冷却水温度T2によって変更するように設けている。 For example if the 165 ° C. or higher, it is determined that irrespective abnormality of the cooling water temperature T2 is generated, it determines that an abnormality occurs while there be less than 165 ° C., the lower limit temperature of the so-called Anomaly, It is provided so as to change by the cooling water temperature T2.

【0018】すなわち、冷却水温度T2が所定温度、例えば28℃未満の時には、溶液温度T1が158℃以上あれば何らかの異常が発生する兆候であると判定し、冷却水温度T2が28℃以上になっていると、溶液温度T [0018] That is, the cooling water temperature T2 is a predetermined temperature, when the below example 28 ℃ determines that a sign that some abnormality occurs if the solution temperature T1 is 158 ° C. or higher, the cooling water temperature T2 is 28 ℃ or higher When going on, the solution temperature T
1はある程度高くなることは当然であるので正常とする範囲を上に拡げ、異常を予知する溶液温度T1の下限値が160℃以上となっている。 Since 1 is naturally be somewhat higher spread on the range of the normal lower limit of the solution temperature T1 to predict an abnormality is in the 160 ° C. or higher.

【0019】正常・異常・異常予知を図3のように区分けして監視する制御の一例を、図3のフローチャートに基づいて具体的に説明する。 [0019] An example of the sorting to control of monitoring as in Figure 3 the normal or abnormal, the abnormality prediction will be specifically described with reference to the flowchart of FIG.

【0020】ステップS1では高温再生器における溶液温度T1を入力し、ステップS2では吸収器に流入する冷却水温度T2を入力する。 [0020] Enter the solution temperature T1 in the high-temperature regenerator in step S1, and inputs the cooling water temperature T2 flowing into the absorber in step S2.

【0021】そして、ステップS3では溶液温度T1が所定の165℃以上になっているか否かを判定し、イエスと判定された時には異常が生じたとの信号を出力し、 [0021] Then, the solution temperature T1 at step S3, it is determined whether or not equal to or greater than a predetermined 165 ° C., outputs a signal indicating an abnormality has occurred when it is judged yes,
ノーと判定された時にはステップS4に移行する。 Proceeds to step S4 when it is determined that the no.

【0022】ステップS4では、冷却水温度T2が所定の28℃になっているか否かを判定し、ノーの時にはステップS5に、イエスの時にはステップS6に移行する。 [0022] In step S4, the cooling water temperature T2 is determined whether or not it is a predetermined 28 ° C., at the time of no to step S5, when Jesus proceeds to step S6.

【0023】ステップS5では溶液温度T1が所定の1 [0023] 1 step S5 solution temperature T1 is given
58℃以上になっているか否かを判定し、ノーと判定された時には正常であるとの信号を出力し、イエスと判定された時には異常の兆候あるとの予知情報を出力する。 It determines whether or not it is 58 ° C. or higher, and outputs a signal to be normal when it is determined that no, outputs the prediction information that there sign of abnormality when it is judged yes.

【0024】ステップS6では、溶液温度T1が所定の160℃以上になっているか否かを判定し、ノーの時には正常であるとの信号を出力し、イエスと判定された時には異常の兆候があるとの予知情報を出力する。 [0024] In step S6, the solution temperature T1 is determined whether or not it is over a predetermined 160 ° C., and outputs a signal to be normal when no, there is a sign of abnormality when it is judged yes and it outputs the prediction information with.

【0025】なお、本発明は上記実施例に限定されるものではないので、特許請求の範囲に記載の趣旨から逸脱しない範囲で各種の変形実施が可能である。 [0025] The present invention is therefore intended in no limited to the above embodiments, it can be variously modified in the scope not departing from the spirit described in the claims.

【0026】例えば、図3に示した溶液温度T1と冷却水温度T2とによる異常予知の範囲は、下限値だけでなく上限値についても変更し得るし、冷却水温度T2に比例して高めるように設けることも可能である。 [0026] For example, the range of Anomaly by a solution temperature T1 shown in FIG. 3 and the cooling water temperature T2, to be also changed upper limit value not only the lower limit value, to increase in proportion to the cooling water temperature T2 it is also possible to provide in.

【0027】また、監視装置2と電話回線用通信装置3 [0027] In addition, the monitoring device 2 and the telephone line communication device 3
とは外見上一体化した構成とすることも可能である。 It is also possible to adopt a configuration that is integrated on the appearance and.

【0028】 [0028]

【発明の効果】以上説明したように本発明は、ガスなどの燃焼熱を高温熱源または駆動力源として利用する空気調和機の遠隔監視システムにおいて、燃料の供給量を計測する燃料計と、空気調和機の運転情報を信号通信線を介して入力し、この情報から異常状態などを検知し、プロトコルを記憶した監視装置と、この監視装置および前記燃料計が信号通信線を介して接続された、公衆電話回線に接続するための電話回線用通信装置と、を備えたことを特徴とする空気調和機の遠隔監視システムであるので、 The present invention described above, according to the present invention is the remote monitoring system of an air conditioner utilizing the combustion heat as a high-temperature heat source or a driving force source such as a gas, a fuel meter for measuring the amount of fuel supplied, air the operation information of the conditioner input via a signal communication line, such as to detect an abnormal condition from the information, a monitoring device that stores protocol, the monitoring device and the fuel gauge is connected via a signal communication line since the remote monitoring system of the air conditioner characterized by comprising a communication device for telephone line for connection to a public telephone line,

【0029】普及しつつあるマイコンガスメータ用の通信装置などを利用して簡潔な遠隔監視システムを構築することが可能であり、電話回線の本数削減も可能であるから、設備費用だけでなく月々の通信費用も削減することができる。 [0029] it is possible to use a communication device for microcomputer gas meter is becoming popular to build a simple remote monitoring system, since it is also possible the number reduction of the telephone line, the monthly as well as equipment costs communication costs can also be reduced.

【0030】また、信号通信線を介して再生器温度および吸収器に流入する冷却水の入口側温度を運転情報として入力する監視装置と、この監視装置が信号通信線を介して接続された通信装置とを有する吸収冷凍機の遠隔監視システムにおいて、再生器の温度異常を予知する基準温度を、前記冷却水温度に基づいて変更する遠隔監視システムにあっては、 Further, a monitoring device for inputting the inlet side temperature of the cooling water flowing into the regenerator temperature and the absorber via a signal communication line as the operation information, the communication which the monitoring device is connected via a signal communication line in the absorption refrigerating machine remote monitoring system and a device, in the reference temperature to predict the abnormal temperature of the regenerator, the remote monitoring system to be changed based on the coolant temperature,

【0031】吸収器に取り込む冷却水の入口側温度の高低によって異常を細かく予知することが可能であり、異常予知精度が大幅に向上する。 [0031] It is possible to finely predict the abnormality by the level of the inlet side temperature of the cooling water taken into the absorber, the abnormality prediction accuracy is greatly improved.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】遠隔監視システムのブロック構成図。 1 is a block diagram of a remote monitoring system.

【図2】空気調和機の運転状況を判定する基準例。 [2] a reference example of determining the operating status of the air conditioner.

【図3】空気調和機の運転状況を判定するフローチャート。 FIG. 3 is a flowchart determining the operating status of the air conditioner.

【図4】従来の遠隔監視システムのブロック構成図。 FIG. 4 is a block diagram of a conventional remote monitoring system.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 空気調和機 2 監視装置 3 電話回線用通信装置 4 マイコンガスメータ 5 電話 11・12・13 信号通信線 21 公衆電話回線 22・23・24 電話回線 1 air conditioner 2 monitor 3 telephone communication apparatus 4 microcomputer gas meter 5 telephone 11, 12, 13 signal communication line 21 a public telephone line 22, 23, 24 telephone lines

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 ガスなどの燃焼熱を高温熱源または駆動力源として利用する空気調和機の遠隔監視システムであって、燃料の供給量を計測する燃料計と、空気調和機の運転情報を信号通信線を介して入力し、この情報から異常状態などを検知し、プロトコルを記憶した監視装置と、この監視装置および前記燃料計が信号通信線を介して接続された、公衆電話回線に接続するための電話回線用通信装置と、を備えたことを特徴とする空気調和機の遠隔監視システム。 1. A remote monitoring system of an air conditioner utilizing the combustion heat as a high-temperature heat source or a driving force source such as a gas, a fuel meter for measuring the amount of fuel supplied, the signal operation information of the air conditioner inputted via the communication line, such as to detect an abnormal condition from the information, a monitoring device that stores protocol, the monitoring device and the fuel gauge is connected via a signal communication line connects to a public telephone line remote monitoring system for an air conditioner characterized by comprising a communication device for telephone lines for.
  2. 【請求項2】 信号通信線を介して再生器温度および吸収器に流入する冷却水の入口側温度を運転情報として入力する監視装置と、この監視装置が信号通信線を介して接続された通信装置とを有する吸収冷凍機の遠隔監視システムであって、再生器の温度異常を予知する基準温度を、前記冷却水温度に基づいて変更することを特徴とする空気調和機の遠隔監視システム。 2. A monitoring device for inputting the operation information of the inlet side temperature of the cooling water flowing into the regenerator temperature and the absorber via a signal communication line, a communication which the monitoring device is connected via a signal communication line an absorbent chiller remote monitoring system and a device, regenerator remote monitoring system of the air conditioner, characterized in that the reference temperature is changed on the basis of the coolant temperature to predict the temperature anomalies.
JP13012093A 1993-05-07 1993-05-07 Of the air conditioner remote monitoring system Expired - Fee Related JP3133554B2 (en)

Priority Applications (1)

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JP13012093A JP3133554B2 (en) 1993-05-07 1993-05-07 Of the air conditioner remote monitoring system

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Application Number Priority Date Filing Date Title
JP13012093A JP3133554B2 (en) 1993-05-07 1993-05-07 Of the air conditioner remote monitoring system

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JPH06317368A true true JPH06317368A (en) 1994-11-15
JP3133554B2 JP3133554B2 (en) 2001-02-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459377B2 (en) 2000-07-14 2002-10-01 Sharp Kabushiki Kaisha Abnormal condition detecting system detecting abnormal condition of user at residence
WO2004040389A1 (en) * 2002-10-31 2004-05-13 Hydro Auditing Systems Pty Ltd Monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459377B2 (en) 2000-07-14 2002-10-01 Sharp Kabushiki Kaisha Abnormal condition detecting system detecting abnormal condition of user at residence
WO2004040389A1 (en) * 2002-10-31 2004-05-13 Hydro Auditing Systems Pty Ltd Monitoring system

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