JP3407441B2 - Dehumidifier - Google Patents

Dehumidifier

Info

Publication number
JP3407441B2
JP3407441B2 JP31661194A JP31661194A JP3407441B2 JP 3407441 B2 JP3407441 B2 JP 3407441B2 JP 31661194 A JP31661194 A JP 31661194A JP 31661194 A JP31661194 A JP 31661194A JP 3407441 B2 JP3407441 B2 JP 3407441B2
Authority
JP
Japan
Prior art keywords
refrigerant
compressor
main
dehumidifier
refrigerant leakage
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
JP31661194A
Other languages
Japanese (ja)
Other versions
JPH08178480A (en
Inventor
貴之 井関
鎮雄 大滝
Original Assignee
松下電器産業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP31661194A priority Critical patent/JP3407441B2/en
Publication of JPH08178480A publication Critical patent/JPH08178480A/en
Application granted granted Critical
Publication of JP3407441B2 publication Critical patent/JP3407441B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/12Inflammable refrigerants

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【産業上の利用分野】本発明は除湿機に関するものであ
る。
FIELD OF THE INVENTION The present invention relates to a dehumidifier.
【0002】[0002]
【従来の技術】従来、空気調和機の冷媒に使用されてい
た冷媒はHCFC−22またはCFC−12であり、こ
の冷媒は毒性もなく化学的に安定でかつ可燃性・爆発性
もないのが特徴であった。しかし、これらの冷媒はオゾ
ン層の破壊の問題から近い将来に全廃が決定している。
そこで、近年これらの冷媒に変わる冷媒としてHFC系
の単体あるいは混合冷媒が考えられているが、これらの
冷媒は地球温暖化係数が非常に高く問題になっている。
2. Description of the Related Art Conventionally, a refrigerant used as a refrigerant for an air conditioner is HCFC-22 or CFC-12. This refrigerant has no toxicity, is chemically stable, and is neither flammable nor explosive. It was a feature. However, these refrigerants will be totally abolished in the near future due to the problem of ozone layer destruction.
Therefore, in recent years, HFC-based single or mixed refrigerants have been considered as refrigerants to replace these refrigerants, but these refrigerants have a very high global warming potential and pose a problem.
【0003】そこで、近年これらの冷媒に代わる冷媒と
してプロパン、ブタン等の可燃性の単体および混合冷媒
が注目を浴びている。
Therefore, in recent years, flammable simple substance and mixed refrigerants such as propane and butane have attracted attention as refrigerants to replace these refrigerants.
【0004】[0004]
【発明が解決しようとする課題】しかしながら空気調和
機の冷媒に可燃性・爆発性のあるものを使用する場合、
冷凍サイクルを構成する部分から冷媒が漏洩した場合、
空気調和機内に冷媒が充満し、爆発あるいは火災の危険
性がある。
However, when using a flammable / explosive refrigerant for the air conditioner,
If the refrigerant leaks from the parts that make up the refrigeration cycle,
There is a risk of explosion or fire as the refrigerant fills the air conditioner.
【0005】本発明は上記の課題を解決するもので、冷
媒漏洩の危険を警告・回避し、使用者の安全性を確保す
ることを目的とするものである。
The present invention has been made to solve the above problems, and an object thereof is to warn / avoid the danger of refrigerant leakage and to ensure the safety of the user.
【0006】[0006]
【課題を解決するための手段】上記課題を解決するため
本発明は、圧縮機、凝縮器、絞り装置、蒸発器、電磁弁
およびこれらを結ぶ配管で構成され、冷凍サイクルと送
風機からなる除湿機であって、隔壁によって前記除湿機
内部を第1第2の2つの空間に仕切り、前記第1の空間
に圧縮機を、前記第2の空間に圧縮機以外の冷凍サイク
ルの要素部品および送風機を配設し、圧縮機と凝縮器
間、および蒸発器と圧縮機間の配管上で且つ前記配管が
前記隔壁を貫通する部分にそれぞれ前記電磁弁を配設
し、前記圧縮機の下部、凝縮器の中心より下側、並びに
送風回路中の吹き出しグリルの手前にそれぞれ冷媒漏れ
検知装置を設け、運転開始前に前記冷媒漏れ検知装置の
信号を検知し、前記2つの電磁弁を閉塞して冷媒漏洩し
てない前記空間に対応する冷凍 サイクルに冷媒を集合さ
せ、前記圧縮機を停止し、送風機を所定時間運転した後
に停止させ、冷媒漏れを警告する制御装置を有するもの
である。
In order to solve the above problems, the present invention provides a compressor, a condenser, a throttle device, an evaporator, and a solenoid valve.
And the piping that connects them,
A dehumidifier consisting of an air blower, wherein the dehumidifier has a partition wall.
The inside is divided into two spaces, a first space and a second space,
A compressor in the second space, and a refrigeration cycle other than the compressor in the second space.
Of the compressor and condenser
Between the evaporator and the compressor, and
The solenoid valve is installed in each part that penetrates the partition wall.
The lower part of the compressor, below the center of the condenser, and
Refrigerant leaks in front of the blowing grill in the blower circuit.
A detection device is provided, and the refrigerant leakage detection device
The signal is detected, the two solenoid valves are closed, and the refrigerant leaks.
Not collecting the refrigerant in the refrigeration cycle corresponding to the above space
After stopping the compressor and operating the blower for a predetermined time
It has a control device that stops the engine and warns of a refrigerant leak .
【0007】また本発明は、冷媒漏れ検知装置の信号を
検知し、本体電源の遮断と冷媒漏れの警告出力を制御す
る制御装置を有するものである。
The present invention also provides a signal for the refrigerant leakage detection device.
It detects and controls the shutdown of the main body power and the warning output of refrigerant leakage.
It has a control device .
【0008】また本発明は、冷媒漏れ検知装置の信号を
検知し、電磁弁を閉塞し、本体電源の遮断並びに冷媒漏
れの警告出力を制御する制御装置を有するものである。
The present invention also provides a signal for the refrigerant leakage detection device.
Detects, shuts off the solenoid valve, shuts off the main power supply and leaks the refrigerant.
It has a control device for controlling these warning outputs .
【0009】また本発明は、冷媒漏れ検知装置の信号を
検知し、圧縮機を停止し、前記電磁弁を閉塞し、本体電
源の遮断並びに冷媒漏れの警告を行う冷媒漏れ警告装置
を制御する制御装置を有し、本体の修理を使用者に促す
表示装置を有するものである。
The present invention also provides a signal for the refrigerant leak detection device.
Detection, shut down the compressor, close the solenoid valve,
Refrigerant leak warning device for shutting off the power source and warning of refrigerant leak
It has a control device to control the user and prompts the user to repair the main unit.
It has a display device .
【0010】[0010]
【作用】上記手段による作用は以下の通りである。The operation of the above means is as follows.
【0011】本発明は圧縮機の下部および蒸発器または
凝縮器の中心より下部に設けられた冷媒漏れ検知装置に
より冷媒漏れを検知し、本体運転開始前に必ずこの検知
装置を機能させ、漏洩があった場合は本体を運転不能の
状態にする。かつこの検知装置より作動する警報装置に
より使用者に冷媒漏れの危険を警告する。また、運転開
始後もこの検知装置により作動する電磁弁を閉塞するこ
とにより冷媒を非漏洩部分に閉じ込め冷媒の漏洩を最小
限度に止め、かつこの検知装置より作動する警報装置に
より使用者に冷媒洩れの危険を警告を行う。
The present invention detects a refrigerant leak by means of a refrigerant leak detection device which is provided below the compressor and below the center of the evaporator or condenser, and this detection device is always activated before the operation of the main unit to prevent leakage. If there is, make the main unit inoperable. In addition, an alarm device activated by this detection device warns the user of the danger of refrigerant leakage. Even after the start of operation, the solenoid valve that operates with this detection device is closed to confine the refrigerant in the non-leakage area to minimize the leakage of the refrigerant, and the alarm device that operates from this detection device causes the refrigerant to leak to the user. Warn of danger.
【0012】またさらに、圧縮機の下部および蒸発器ま
たは凝縮器の中心より下部に設けられた冷媒漏れ検知装
置により冷媒漏れを検知し、本体運転開始前に必ずこの
検知装置を機能させ、漏洩があった場合は冷媒漏洩の警
告を行い、かつ送風機のみの運転を行い、漏洩した可燃
性冷媒を空気調和機本体内から排出してから送風機を止
め、本体電源の遮断を行う。
Further, a refrigerant leakage detection device provided below the compressor and below the center of the evaporator or the condenser detects the refrigerant leakage, and the detection device is always operated before the operation of the main body to prevent the leakage. If there is, a warning of refrigerant leakage is given, and only the blower is operated, the leaked flammable refrigerant is discharged from the inside of the air conditioner main body, the blower is stopped, and the main power supply is cut off.
【0013】またさらに、圧縮機の下部および蒸発器ま
たは凝縮器の中心より下部に設けられた冷媒漏れ検知装
置により冷媒漏れを検知し、本体運転開始前に必ずこの
検知装置を機能させ、漏洩があった場合は冷媒漏洩の警
告を行い、かつ漏洩した可燃性冷媒を空気調和機本体内
から排出するために送風機のみの運転を行い、冷媒の漏
洩を最小限度にくい止めるために電磁弁を閉じ、冷媒を
十分本体外に排出してから送風機を停止し、その後本体
電源の遮断を行う。
Further, a refrigerant leakage detecting device provided below the compressor and below the center of the evaporator or the condenser detects the refrigerant leakage, and this detecting device is always operated before the operation of the main body so that the leakage is prevented. If there is, a warning of refrigerant leakage is given, and only the blower is operated in order to discharge the leaked flammable refrigerant from the inside of the air conditioner, and the solenoid valve is closed to prevent leakage of the refrigerant to the minimum extent, After the refrigerant has been sufficiently discharged to the outside of the main body, stop the blower, and then turn off the main body power.
【0014】またさらに、圧縮機の下部および蒸発器ま
たは凝縮器の中心より下部に設けられた冷媒漏れ検知装
置により冷媒漏れを検知し、本体運転開始前に必ずこの
検知装置を機能させ、漏洩があった場合は冷媒漏洩の警
告を行い、かつ漏洩した可燃性冷媒を空気調和機本体内
から排出するために送風機のみの運転を行い、冷媒の漏
洩を最小限度にくい止めるために電磁弁を閉じ、冷媒を
十分本体外に排出してから送風機を停止し、その後本体
電源の遮断を行い、本体の修理を使用者に促す表示を行
う。
Further, a refrigerant leak detection device provided below the compressor and below the center of the evaporator or the condenser detects the refrigerant leak, and this detection device is always operated before the operation of the main body so that the leakage is prevented. If there is, a warning of refrigerant leakage is given, and only the blower is operated in order to discharge the leaked flammable refrigerant from the inside of the air conditioner, and the solenoid valve is closed to prevent leakage of the refrigerant to the minimum extent, After the refrigerant has been sufficiently discharged to the outside of the main body, the blower is stopped, then the main body power is cut off, and a message prompting the user to repair the main body is displayed.
【0015】[0015]
【実施例】以下本発明の第1の実施例について図1、図
2、図3、図4とともに説明する。まず図1において、
除湿機本体1の外部は吸入グリル2、外箱3、表示部
5、吹き出しグリル4、基盤12で構成されており、内
部には冷凍サイクルを構成する圧縮機6、凝縮器7、絞
り装置8、蒸発器9、送風機10、ファン11を具備し
ていて、圧縮機6の下部に冷媒漏れ検知装置19、凝縮
器7の下部に冷媒漏れ検知装置20、吹き出し口4手前
の送風回路中に冷媒漏れ検知装置21、をそれぞれ設け
ていて、圧縮機6と凝縮器7の間の隔壁14の配管を貫
通させる切りかき部分に電磁弁22、蒸発器9と圧縮機
6の間の同じく切りかき部分に電磁弁23をそれぞれ設
けている。吸込みグリル2によって吸い込まれた空気
は、蒸発器9、凝縮器7を通って吹き出しグリル4より
吹き出される。そして、蒸発器9より生成された除湿水
は水受け皿15に設けられたドレン口16より滴下し
て、排水タンク13に溜まるようになっている。排水タ
ンク13に溜まった除湿水はフロート17を押し上げマ
イクロスイッチ18を作動させ満水で圧縮機6、送風機
10を停止させる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. 1, 2, 3 and 4. First, in FIG.
The outside of the dehumidifier main body 1 is composed of a suction grill 2, an outer box 3, a display unit 5, a blowing grill 4, and a base 12, and inside thereof, a compressor 6, a condenser 7, and a throttling device 8 which constitute a refrigeration cycle. , The evaporator 9, the blower 10, and the fan 11, and the refrigerant leakage detection device 19 is provided below the compressor 6, the refrigerant leakage detection device 20 is provided below the condenser 7, and the refrigerant is provided in the blower circuit before the outlet 4. A leak detection device 21, respectively, is provided, and a solenoid valve 22 is provided in a cut portion that penetrates the pipe of the partition wall 14 between the compressor 6 and the condenser 7, and a cut portion is also provided between the evaporator 9 and the compressor 6. Are provided with solenoid valves 23, respectively. The air sucked by the suction grill 2 passes through the evaporator 9 and the condenser 7 and is blown out from the blowing grill 4. The dehumidified water generated by the evaporator 9 is dripped from the drain port 16 provided in the water tray 15 and collected in the drain tank 13. The dehumidified water accumulated in the drainage tank 13 pushes up the float 17 to operate the micro switch 18 to stop the compressor 6 and the blower 10 when the water is full.
【0016】図2は除湿機1本体の表示部5の上面図で
24は本体電源スイッチ、25は運転スイッチ、26は
運転切り換えスイッチである。また、27は満水を示す
LED、28は除霜運転中を示すLED、29は冷媒の
漏洩を警告するLEDである。除湿機1は電源スイッチ
24をオンとした後運転スイッチ25をオンすることに
よって運転を開始する。
FIG. 2 is a top view of the display unit 5 of the main body of the dehumidifier 1, where 24 is a main body power switch, 25 is an operation switch, and 26 is an operation changeover switch. Further, 27 is an LED indicating full water, 28 is an LED indicating defrosting operation, and 29 is an LED warning of refrigerant leakage. The dehumidifier 1 starts its operation by turning on the power switch 24 and then the operation switch 25.
【0017】次に制御回路図3、フローチャート図4に
おいて第1の実施例の動作を説明する。31は圧縮機6
の下部に設けた冷媒漏れ検知装置19と凝縮器7の下部
に設けた冷媒漏れ検知装置20および送風回路中に設け
た冷媒漏れ検知装置21の出力信号により冷媒漏れを判
断する判定装置で、34は判定装置31の信号により圧
縮機6、送風機10および冷媒漏洩を警告するLED2
9を動作させる出力リレー回路である。使用者が本体電
源スイッチ24を入れると運転スイッチ25のオン/オ
フにかかわらず冷媒漏洩検知装置19、20、21が作
動する。この時冷媒の漏洩が確認されると使用者が運転
スイッチ25をオンしても圧縮機6および送風機10は
動作せず冷媒漏洩警告のLED29のみを点滅させる。
冷媒の漏洩がないと判定装置31が判定すると圧縮機
6、送風機10の運転を行う。次に運転中の動作につい
て説明を行う。圧縮機6の下部に設けた冷媒漏れ検知装
置19の信号により圧縮機を囲む空間(図1の隔壁14
より下の部分)に冷媒の漏洩があったと判定装置31が
判断すると、直ぐに蒸発器9と圧縮機6の間に設けた電
磁弁23を閉じ、その後一定時間Ta時間経過後圧縮機
6と凝縮器7の間に設けた電磁弁22を閉じ熱交換器に
冷媒を閉じ込め本体を停止し、冷媒漏洩を警告するLE
D29を点滅させる。一方、凝縮器7の下部および送風
回路中に設けた冷媒漏れ検知装置20、21の信号によ
り熱交換器およびその付近の空間(図1の隔壁14より
上の部分)に冷媒の漏洩があったと判定装置31が判断
すると、直ぐに凝縮器7と圧縮機6の間に設けた電磁弁
22を閉じ、その後一定時間Ta時間経過後圧縮機6と
蒸発器9の間に設けた電磁弁23を閉じ圧縮機6に冷媒
を閉じ込め本体を停止し、冷媒漏洩を警告するLED2
9を点滅させる。
Next, the operation of the first embodiment will be described with reference to the control circuit of FIG. 3 and the flow chart of FIG. 31 is a compressor 6
A refrigerant leak detecting device 19 provided in the lower part of the condenser, a refrigerant leak detecting device 20 provided in the lower part of the condenser 7 and a refrigerant leak detecting device 21 provided in the blower circuit. LED2 warning the compressor 6, the blower 10, and the refrigerant leakage by the signal of the determination device 31.
9 is an output relay circuit for operating 9. When the user turns on the main body power switch 24, the refrigerant leakage detection devices 19, 20, 21 are activated regardless of whether the operation switch 25 is on or off. If the leakage of the refrigerant is confirmed at this time, even if the user turns on the operation switch 25, the compressor 6 and the blower 10 do not operate, and only the LED 29 of the refrigerant leakage warning blinks.
When the determination device 31 determines that there is no refrigerant leakage, the compressor 6 and the blower 10 are operated. Next, the operation during driving will be described. A space surrounding the compressor (the partition wall 14 in FIG. 1 is indicated by a signal from a refrigerant leakage detection device 19 provided in the lower portion of the compressor 6.
When the determination device 31 determines that the refrigerant has leaked to the lower portion), the solenoid valve 23 provided between the evaporator 9 and the compressor 6 is immediately closed, and then the compressor 6 and the condenser 6 are condensed after a certain time Ta has elapsed. LE for closing the solenoid valve 22 provided between the reactors 7 and confining the refrigerant in the heat exchanger and stopping the main body to warn of refrigerant leakage
Make D29 blink. On the other hand, there is a refrigerant leak in the heat exchanger and the space in the vicinity thereof (the portion above the partition wall 14 in FIG. 1) due to the signals of the refrigerant leak detection devices 20 and 21 provided in the lower part of the condenser 7 and in the blower circuit. When the determination device 31 makes a determination, the electromagnetic valve 22 provided between the condenser 7 and the compressor 6 is immediately closed, and after a certain time Ta has elapsed, the electromagnetic valve 23 provided between the compressor 6 and the evaporator 9 is closed. LED2 to confine the refrigerant in the compressor 6 and stop the main body to warn of refrigerant leakage
Make 9 blink.
【0018】次に、第2の実施例について図1、図2、
図5、図6と共に説明する。使用者が本体電源スイッチ
24を入れると運転スイッチ25のオン/オフにかかわ
らず冷媒漏洩検知装置19、20、21が作動する。こ
の時冷媒の漏洩があると判定装置31が判断すると送風
機10が動作し、冷媒漏洩を警告するLED29が点滅
する。送風機10は漏洩した冷媒を本体外に排出させる
役目を行い、判定装置31が冷媒の漏洩がなくなったと
判断すると停止する。この時使用者が運転スイッチ25
をオンしても圧縮機6は動かない。その後本体の通電を
遮断する電源遮断装置35が機能し本体の電源回路は遮
断される。
Next, the second embodiment will be described with reference to FIGS.
This will be described with reference to FIGS. When the user turns on the main body power switch 24, the refrigerant leakage detection devices 19, 20, 21 are activated regardless of whether the operation switch 25 is on or off. At this time, if the determination device 31 determines that there is refrigerant leakage, the blower 10 operates and the LED 29 that warns of refrigerant leakage blinks. The blower 10 plays a role of discharging the leaked refrigerant to the outside of the main body, and stops when the determination device 31 determines that the leakage of the refrigerant has disappeared. At this time, the user operates the driving switch 25.
The compressor 6 does not operate even when turned on. After that, the power cutoff device 35 that cuts off the power supply to the main body functions to cut off the power supply circuit of the main body.
【0019】次に運転中の動作について説明を行う。圧
縮機6の下部に設けた冷媒漏れ検知装置19の信号によ
り圧縮機を囲む空間(図1の隔壁14より下の部分)に
冷媒の漏洩があったと判定装置31が判断すると、直ぐ
に蒸発器9と圧縮機6の間に設けた電磁弁23を閉じ、
その後一定時間Ta時間経過後圧縮機6と凝縮器7の間
に設けた電磁弁22を閉じ熱交換器に冷媒を閉じ込め本
体を停止し、冷媒漏洩を警告するLED29を点滅させ
る。一方、凝縮器7の下部および送風回路中に設けた冷
媒漏れ検知装置20、21の信号により熱交換器および
その付近の空間(図1の隔壁14より上の部分)に冷媒
の漏洩があったと判定装置31が判断すると、直ぐに凝
縮器7と圧縮機6の間に設けた電磁弁22を閉じ、その
後一定時間Ta時間経過後圧縮機6と蒸発器9の間に設
けた電磁弁23を閉じ圧縮機6に冷媒を閉じ込め本体を
停止し、冷媒漏洩を警告するLED29を点滅させる。
その後、判定装置31が冷媒の漏洩がなくなったと判断
すると送風機10が停止し、電源遮断装置35が機能し
本体の電源回路は遮断される。
Next, the operation during operation will be described. When the determination device 31 determines that the refrigerant has leaked into the space surrounding the compressor (the portion below the partition wall 14 in FIG. 1) according to a signal from the refrigerant leakage detection device 19 provided in the lower portion of the compressor 6, the evaporator 9 is immediately connected. And the solenoid valve 23 provided between the compressor 6 and
Then, after a lapse of a certain time Ta, the electromagnetic valve 22 provided between the compressor 6 and the condenser 7 is closed to confine the refrigerant in the heat exchanger to stop the main body, and the LED 29 for warning the refrigerant leakage is blinked. On the other hand, there is a refrigerant leak in the heat exchanger and the space in the vicinity thereof (the portion above the partition wall 14 in FIG. 1) due to the signals of the refrigerant leak detection devices 20 and 21 provided in the lower part of the condenser 7 and in the blower circuit. When the determination device 31 makes a determination, the electromagnetic valve 22 provided between the condenser 7 and the compressor 6 is immediately closed, and after a certain time Ta has elapsed, the electromagnetic valve 23 provided between the compressor 6 and the evaporator 9 is closed. Refrigerant is confined in the compressor 6, the main body is stopped, and the LED 29 for warning of refrigerant leakage is blinked.
After that, when the determination device 31 determines that the refrigerant has leaked, the blower 10 is stopped, the power cutoff device 35 functions, and the power supply circuit of the main body is cut off.
【0020】次に、第3の実施例について図1、図2、
図5、図7と共に説明する。使用者が本体電源スイッチ
24を入れると運転スイッチ25のオン/オフにかかわ
らず冷媒漏洩検知装置19、20、21が作動する。こ
の時冷媒の漏洩があると判定装置31が判断すると送風
機10が動作し、電磁弁22、23を閉じ、冷媒漏洩を
警告するLED29が点滅する。送風機10は漏洩した
冷媒を本体外に排出させる役目を行い、判定装置31が
冷媒の漏洩がなくなったと判断すると停止する。この時
使用者が運転スイッチ25をオンしても圧縮機6は動か
ない。その後本体の通電を遮断する電源遮断装置35が
機能し本体の電源回路は遮断される。この時電磁弁2
2、23は非通電時は閉となるタイプを使用しているた
めに電源回路遮断後も開くことはない。
Next, the third embodiment will be described with reference to FIGS.
This will be described with reference to FIGS. When the user turns on the main body power switch 24, the refrigerant leakage detection devices 19, 20, 21 are activated regardless of whether the operation switch 25 is on or off. At this time, when the determination device 31 determines that there is refrigerant leakage, the blower 10 operates, the solenoid valves 22 and 23 are closed, and the LED 29 that warns of refrigerant leakage blinks. The blower 10 plays a role of discharging the leaked refrigerant to the outside of the main body, and stops when the determination device 31 determines that the leakage of the refrigerant has disappeared. At this time, the compressor 6 does not move even if the user turns on the operation switch 25. After that, the power cutoff device 35 that cuts off the power supply to the main body functions to cut off the power supply circuit of the main body. At this time solenoid valve 2
Nos. 2 and 23 do not open even after the power supply circuit is cut off because they are of a type that closes when not energized.
【0021】次に運転中の動作について説明を行う。圧
縮機6の下部に設けた冷媒漏れ検知装置19の信号によ
り圧縮機を囲む空間(図1の隔壁14より下の部分)に
冷媒の漏洩があったと判定装置31が判断すると、直ぐ
に蒸発器9と圧縮機6の間に設けた電磁弁23を閉じ、
その後一定時間Ta時間経過後圧縮機6と凝縮器7の間
に設けた電磁弁22を閉じ熱交換器に冷媒を閉じ込め本
体を停止し、冷媒漏洩を警告するLED29を点滅させ
る。一方、凝縮器7の下部および送風回路中に設けた冷
媒漏れ検知装置20、21の信号により熱交換器および
その付近の空間(図1の隔壁より上の部分)に冷媒の漏
洩があったと判定装置31が判断すると、直ぐに凝縮器
7と圧縮機6の間に設けた電磁弁22を閉じ、その後一
定時間Ta時間経過後圧縮機6と蒸発器9の間に設けた
電磁弁23を閉じ圧縮機6に冷媒を閉じ込め本体を停止
し、冷媒漏洩を警告するLED29を点滅させる。その
後、判定装置31が冷媒の漏洩がなくなったと判断する
と送風機10が停止し、電源遮断装置35が機能し本体
の電源回路は遮断される。
Next, the operation during operation will be described. When the determination device 31 determines that the refrigerant has leaked into the space surrounding the compressor (the portion below the partition wall 14 in FIG. 1) according to a signal from the refrigerant leakage detection device 19 provided in the lower portion of the compressor 6, the evaporator 9 is immediately connected. And the solenoid valve 23 provided between the compressor 6 and
Then, after a lapse of a certain time Ta, the electromagnetic valve 22 provided between the compressor 6 and the condenser 7 is closed to confine the refrigerant in the heat exchanger to stop the main body, and the LED 29 for warning the refrigerant leakage is blinked. On the other hand, it is determined by the signals of the refrigerant leakage detection devices 20 and 21 provided in the lower portion of the condenser 7 and in the blower circuit that the refrigerant has leaked into the heat exchanger and the space in the vicinity thereof (the portion above the partition wall in FIG. 1). When the device 31 judges, the electromagnetic valve 22 provided between the condenser 7 and the compressor 6 is immediately closed, and after a certain time Ta has elapsed, the electromagnetic valve 23 provided between the compressor 6 and the evaporator 9 is closed and compressed. Refrigerant is confined in the machine 6, the main body is stopped, and the LED 29 for warning of refrigerant leakage is blinked. After that, when the determination device 31 determines that the refrigerant has leaked, the blower 10 is stopped, the power cutoff device 35 functions, and the power supply circuit of the main body is cut off.
【0022】次に、第4の実施例について図1、図8、
図9、図10と共に説明する。使用者が本体電源スイッ
チ24を入れると運転スイッチ25のオン/オフにかか
わらず冷媒漏洩検知装置19、20、21が作動する。
この時冷媒の漏洩があると判定装置31が判断すると送
風機10が動作し、電磁弁22、23を閉じ、冷媒漏洩
を警告するLED29が点滅する。送風機10は漏洩し
た冷媒を本体外に排出させる役目を行い、判定装置31
が冷媒の漏洩がなくなったと判断すると停止する。この
時使用者が運転スイッチ25をオンしても圧縮機6は動
かない。その後本体の通電を遮断する電源遮断装置35
と使用者に本体の修理を促す表示装置36が機能し本体
の電源回路は遮断される。この時電磁弁22、23は非
通電時は閉となるタイプを使用しているために電源回路
遮断後も開くことはない。また、修理を促す表示装置3
6は手動復帰型のスイッチを利用し制御板内のリセット
ボタンを押さない限りもとの位置には戻らない仕組みに
なっている。
Next, the fourth embodiment will be described with reference to FIGS.
This will be described with reference to FIGS. 9 and 10. When the user turns on the main body power switch 24, the refrigerant leakage detection devices 19, 20, 21 are activated regardless of whether the operation switch 25 is on or off.
At this time, when the determination device 31 determines that there is refrigerant leakage, the blower 10 operates, the solenoid valves 22 and 23 are closed, and the LED 29 that warns of refrigerant leakage blinks. The blower 10 serves to discharge the leaked refrigerant to the outside of the main body, and the determination device 31
Stops when it judges that the refrigerant has stopped leaking. At this time, the compressor 6 does not move even if the user turns on the operation switch 25. After that, a power cutoff device 35 for cutting off the power supply to the main body
Then, the display device 36 that prompts the user to repair the main body functions and the power supply circuit of the main body is cut off. At this time, since the solenoid valves 22 and 23 are of a type that is closed when not energized, they do not open even after the power circuit is cut off. In addition, a display device 3 that prompts repairs
6 is a mechanism that does not return to the original position unless a reset button in the control plate is pressed by using a manual reset type switch.
【0023】次に運転中の動作について説明を行う。圧
縮機6の下部に設けた冷媒漏れ検知装置19の信号によ
り圧縮機を囲む空間(図1の隔壁14より下の部分)に
冷媒の漏洩があったと判定装置31が判断すると、直ぐ
に蒸発器9と圧縮機6の間に設けた電磁弁23を閉じ、
その後一定時間Ta時間経過後圧縮機6と凝縮器7の間
に設けた電磁弁22を閉じ熱交換器に冷媒を閉じ込め本
体を停止し、冷媒漏洩を警告するLED29を点滅させ
る。一方、凝縮器7の下部および送風回路中に設けた冷
媒漏れ検知装置20、21の信号により熱交換器および
その付近の空間(図1の隔壁14より上の部分)に冷媒
の漏洩があったと判定装置31が判断すると、直ぐに凝
縮器7と圧縮機6の間に設けた電磁弁22を閉じ、その
後一定時間Ta時間経過後圧縮機6と蒸発器9の間に設
けた電磁弁23を閉じ圧縮機6に冷媒を閉じ込め本体を
停止し、冷媒漏洩を警告するLED29を点滅させる。
その後、判定装置31が冷媒の漏洩がなくなったと判断
すると送風機10が停止し、電源遮断装置35と修理を
促す表示装置36が機能し、本体の電源回路は遮断され
る。
Next, the operation during operation will be described. When the determination device 31 determines that the refrigerant has leaked into the space surrounding the compressor (the portion below the partition wall 14 in FIG. 1) according to the signal from the refrigerant leakage detection device 19 provided in the lower portion of the compressor 6, the evaporator 9 is immediately connected. And the solenoid valve 23 provided between the compressor 6 and
Then, after a lapse of a certain time Ta, the electromagnetic valve 22 provided between the compressor 6 and the condenser 7 is closed to confine the refrigerant in the heat exchanger to stop the main body, and the LED 29 for warning the refrigerant leakage is blinked. On the other hand, there is a leakage of the refrigerant in the heat exchanger and the space in the vicinity thereof (the portion above the partition wall 14 in FIG. 1) due to the signals of the refrigerant leakage detection devices 20 and 21 provided in the lower portion of the condenser 7 and in the blower circuit. When the determination device 31 makes a determination, the electromagnetic valve 22 provided between the condenser 7 and the compressor 6 is immediately closed, and after a certain time Ta has elapsed, the electromagnetic valve 23 provided between the compressor 6 and the evaporator 9 is closed. Refrigerant is confined in the compressor 6, the main body is stopped, and the LED 29 for warning of refrigerant leakage is blinked.
After that, when the determination device 31 determines that the leakage of the refrigerant has stopped, the blower 10 is stopped, the power supply cutoff device 35 and the display device 36 that prompts repair work, and the power supply circuit of the main body is cut off.
【0024】[0024]
【発明の効果】本発明は圧縮機の下部、凝縮器の中心よ
り下部、および送風回路中に設けられた冷媒漏れ検知装
置により冷媒漏れ検知精度の向上を図ることができ、本
体運転開始前に必ずこの検知装置を機能させ、漏洩があ
った場合は本体の運転ができないようにすることにより
使用者の安全を確保し、かつこの検知装置より作動する
警報装置により使用者に冷媒漏れの危険を警告すること
ができる。また、運転開始後もこの検知装置により作動
する電磁弁により冷媒を非漏洩部分に閉じ込め冷媒の漏
洩を最小限度に止め、かつこの検知装置より作動する警
報装置により使用者に冷媒漏れの危険を警告することに
より使用者の安全を確保できる。
According to the present invention, the accuracy of refrigerant leakage detection can be improved by the refrigerant leakage detection device provided in the lower part of the compressor, the part lower than the center of the condenser, and the blower circuit. Be sure to make this detector function and prevent the main body from operating in the event of a leak, ensuring the safety of the user, and an alarm device activated by this detector to prevent the user from leaking refrigerant. Can warn. In addition, even after the start of operation, the solenoid valve that operates with this detection device locks the refrigerant in the non-leaking part to minimize the leakage of the refrigerant, and the alarm device that operates from this detection device warns the user of the danger of refrigerant leakage. By doing so, the safety of the user can be secured.
【0025】またさらに、圧縮機の下部、凝縮器の中心
より下部、および送風回路中に設けられた冷媒漏れ検知
装置により冷媒漏れ検知精度の向上を図ることができ、
本体運転開始前に必ずこの検知装置を機能させ、漏洩が
あった場合は冷媒漏洩の警告と送風機のみの運転を行
い、漏洩した可燃性冷媒を除湿機本体内から排出してか
ら送風機を止めることにより、使用者に危険を告知でき
かつ本体内に危険な可燃性冷媒を溜めることなく確実に
外に排出させることが可能となり、本体の着火爆発とい
った危険性が少なくなる。また、本体電源の遮断を行う
ことにより着火源を止め漏洩した冷媒への着火の可能性
はいっそう低くなり、使用者の安全を確保できる。
Further, the refrigerant leak detection device provided in the lower part of the compressor, the part lower than the center of the condenser, and the blower circuit can improve the accuracy of refrigerant leak detection.
Always activate this detector before starting operation of the main unit, and if there is a leak, warn of refrigerant leakage and operate only the blower, and stop the blower after discharging the leaked flammable refrigerant from the dehumidifier main unit. As a result, the user can be notified of the danger and the dangerous combustible refrigerant can be reliably discharged to the outside without being accumulated in the main body, and the risk of ignition and explosion of the main body is reduced. Further, by shutting off the power supply of the main body, the ignition source is stopped and the possibility of igniting the leaked refrigerant is further reduced, and the safety of the user can be secured.
【0026】またさらに、圧縮機の下部、凝縮器の中心
より下部、および送風回路中に設けられた冷媒漏れ検知
装置により冷媒漏れ検知精度の向上を図ることができ、
本体運転開始前に必ずこの検知装置を機能させ、漏洩が
あった場合は冷媒漏洩の警告を行い、かつ漏洩した可燃
性冷媒を除湿機本体内から排出するために送風機のみの
運転を行い、かつ冷媒の漏洩を最小限度にくい止めるた
めに電磁弁を閉じ、冷媒を十分本体外に排出してから送
風機を止めることにより、使用者に危険を告知できかつ
本体内に危険な可燃性冷媒を溜めることなく確実に外に
排出させることが可能となり、本体の着火爆発といった
危険性が少なくなる。また、冷媒回路を遮断することに
より冷媒漏洩量が少なくなり危険性がいっそう小さくな
る。また、本体電源の遮断を行うことにより着火源を止
め漏洩した冷媒への着火の可能性はなおいっそう低くな
り、使用者の安全を確保できる。
Further, the refrigerant leak detection device provided in the lower part of the compressor, the part lower than the center of the condenser, and the blower circuit can improve the accuracy of refrigerant leak detection.
Before starting operation of the main unit, be sure to operate this detector, warn of refrigerant leakage if there is a leak, and operate only the blower to discharge the leaked flammable refrigerant from the inside of the dehumidifier, and In order to keep the leakage of the refrigerant to a minimum, close the solenoid valve, discharge the refrigerant sufficiently outside the main unit, and then stop the blower, so that the user can be notified of the danger and the dangerous combustible refrigerant can be stored in the main unit. Without it, it can be discharged to the outside reliably, and the risk of ignition and explosion of the main body is reduced. Further, by shutting off the refrigerant circuit, the amount of refrigerant leakage is reduced and the danger is further reduced. Further, by shutting off the main body power supply, the ignition source is stopped, and the possibility of igniting the leaked refrigerant is further reduced, and the safety of the user can be secured.
【0027】またさらに、本体電源遮断後本体の修理を
使用者に促す表示装置を設けることにより、使用者本人
が冷媒漏洩に気づかずに本体が停止した場合でも、再度
運転開始時に本体がなぜ動かないのかを知らせることが
可能となる。
Furthermore, by providing a display device for prompting the user to repair the main body after shutting off the main body power, even if the user stops the main body without noticing the leakage of the refrigerant, the reason why the main body moves when the operation starts again. It becomes possible to inform whether there is not.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の第1、2、3、4の実施例における除
湿機の断面図
FIG. 1 is a sectional view of a dehumidifier according to first, second, third, and fourth embodiments of the present invention.
【図2】第1、2、3の実施例における除湿機の表示部
上面図
FIG. 2 is a top view of a display unit of the dehumidifier in the first, second and third embodiments.
【図3】第1の実施例における除湿機の制御ブロック図FIG. 3 is a control block diagram of the dehumidifier in the first embodiment.
【図4】同除湿機のフローチャートFIG. 4 is a flowchart of the dehumidifier.
【図5】第2、3の実施例における除湿機の制御ブロッ
ク図
FIG. 5 is a control block diagram of the dehumidifier in the second and third embodiments.
【図6】第2の実施例における除湿機のフローチャートFIG. 6 is a flowchart of a dehumidifier in the second embodiment.
【図7】第3の実施例における除湿機のフローチャートFIG. 7 is a flowchart of a dehumidifier according to a third embodiment.
【図8】第4の実施例における除湿機の表示部上面図FIG. 8 is a top view of the display unit of the dehumidifier in the fourth embodiment.
【図9】同除湿機の制御ブロック図FIG. 9 is a control block diagram of the dehumidifier.
【図10】同除湿機のフローチャートFIG. 10 is a flowchart of the dehumidifier.
【符号の説明】[Explanation of symbols]
4 吹き出しグリル 6 圧縮機 7 凝縮器 8 絞り装置 9 蒸発器 10 送風機 19 冷媒洩れ検知装置 20 冷媒洩れ検知装置 21 冷媒洩れ検知装置 22 電磁弁 23 電磁弁 29 冷媒漏れ警告装置 35 本体遮断装置 36 修理警告表示装置 4 blowing grill 6 compressor 7 condenser 8 Throttling device 9 evaporator 10 blower 19 Refrigerant leak detector 20 Refrigerant leak detection device 21 Refrigerant leak detection device 22 Solenoid valve 23 Solenoid valve 29 Refrigerant leak warning device 35 Main body interruption device 36 Repair warning display device
フロントページの続き (56)参考文献 特開 平7−159010(JP,A) 特開 平4−369370(JP,A) 特開 平3−213972(JP,A) 特開 平2−52967(JP,A) 特開 平5−118720(JP,A) 特開 平6−129666(JP,A) 特開 平6−180166(JP,A) 特開 平4−363541(JP,A) 実開 昭56−67597(JP,U) 実開 昭57−91076(JP,U) (58)調査した分野(Int.Cl.7,DB名) F25B 49/02 520 F24F 1/02 F24F 11/02 Continuation of front page (56) Reference JP-A-7-159010 (JP, A) JP-A-4-369370 (JP, A) JP-A-3-213972 (JP, A) JP-A-2-52967 (JP , A) JP 5-118720 (JP, A) JP 6-129666 (JP, A) JP 6-180166 (JP, A) JP 4-363541 (JP, A) 56-67597 (JP, U) Actual exploitation Sho 57-91076 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) F25B 49/02 520 F24F 1/02 F24F 11/02

Claims (4)

    (57)【特許請求の範囲】(57) [Claims]
  1. 【請求項1】 圧縮機、凝縮器、絞り装置、蒸発器、電
    磁弁およびこれらを結ぶ配管で構成され、冷凍サイクル
    と送風機からなる除湿機であって、隔壁によって前記除
    湿機内部を第1第2の2つの空間に仕切り、前記第1の
    空間に圧縮機を、前記第2の空間に圧縮機以外の冷凍サ
    イクルの要素部品および送風機を配設し、圧縮機と凝縮
    器間、および蒸発器と圧縮機間の配管上で且つ前記配管
    が前記隔壁を貫通する部分にそれぞれ前記電磁弁を配設
    し、前記圧縮機の下部、凝縮器の中心より下側、並びに
    送風回路中の吹き出しグリルの手前にそれぞれ冷媒漏れ
    検知装置を設け、運転開始前に前記冷媒漏れ検知装置の
    信号を検知し、前記2つの電磁弁を閉塞して冷媒漏洩し
    てない前記空間に対応する冷凍サイクルに冷媒を集合さ
    せ、前記圧縮機を停止し、送風機を所定時間運転した後
    に停止させ、冷媒漏れを警告する制御装置を有すること
    を特徴とする除湿機。
    1. A compressor, a condenser, a throttle device, an evaporator, and an electric power source.
    A refrigeration cycle consisting of a magnetic valve and piping connecting them.
    A dehumidifier consisting of
    The inside of the wet machine is divided into two spaces, a first space and a second space,
    A compressor is installed in the space and a refrigeration unit other than the compressor is installed in the second space.
    Equipped with ukule element parts and blower, and condensed with compressor
    On the pipe between the equipment and between the evaporator and the compressor, and
    The solenoid valves are arranged in the parts that penetrate the partition walls.
    The lower part of the compressor, below the center of the condenser, and
    Refrigerant leaks in front of the blowing grill in the blower circuit.
    A detection device is provided, and the refrigerant leakage detection device
    The signal is detected, the two solenoid valves are closed, and the refrigerant leaks.
    Not collecting the refrigerant in the refrigeration cycle corresponding to the above space
    After stopping the compressor and operating the blower for a predetermined time
    Must have a control device that shuts down and warns of refrigerant leakage.
    Dehumidifier characterized by.
  2. 【請求項2】 冷媒漏れ検知装置の信号を検知し、本体
    電源の遮断と冷媒漏れの警告出力を制御する制御装置を
    有することを特徴とする請求項1記載の除湿機。
    2. A main body which detects a signal from a refrigerant leakage detection device.
    A control device that controls the shutdown of the power supply and the warning output of refrigerant leakage
    It has, The dehumidifier of Claim 1 characterized by the above-mentioned.
  3. 【請求項3】 冷媒漏れ検知装置の信号を検知し、電磁
    弁を閉塞し、本体電源の遮断並びに冷媒漏れの警告出力
    を制御する制御装置を有することを特徴とする請求項1
    記載の除湿機。
    3. An electromagnetic wave is detected by detecting a signal from a refrigerant leakage detection device.
    Closing the valve, shutting off the main power supply and warning output of refrigerant leakage
    2. A control device for controlling the
    Dehumidifier as described.
  4. 【請求項4】 冷媒漏れ検知装置の信号を検知し、圧縮
    機を停止し、前記電磁弁を閉塞し、本体電源の遮断並び
    に冷媒漏れの警告を行う冷媒漏れ警告装置を制御する制
    御装置を有し、本体の修理を使用者に促す表示装置を有
    することを特徴とする請求項1記載の除湿機。
    4. A signal of a refrigerant leakage detection device is detected and compressed.
    Stop the machine, close the solenoid valve, and shut off the main power supply.
    To control the refrigerant leak warning device.
    Control device and display device that prompts the user to repair the main unit
    The dehumidifier according to claim 1, wherein
JP31661194A 1994-12-20 1994-12-20 Dehumidifier Expired - Fee Related JP3407441B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31661194A JP3407441B2 (en) 1994-12-20 1994-12-20 Dehumidifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31661194A JP3407441B2 (en) 1994-12-20 1994-12-20 Dehumidifier

Publications (2)

Publication Number Publication Date
JPH08178480A JPH08178480A (en) 1996-07-12
JP3407441B2 true JP3407441B2 (en) 2003-05-19

Family

ID=18079001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31661194A Expired - Fee Related JP3407441B2 (en) 1994-12-20 1994-12-20 Dehumidifier

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Country Link
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JP6408324B2 (en) * 2014-09-29 2018-10-17 日立ジョンソンコントロールズ空調株式会社 Air conditioner indoor unit
JP6415989B2 (en) 2015-01-05 2018-10-31 三菱重工サーマルシステムズ株式会社 Cooling device for liquefied gas
JP6565277B2 (en) * 2015-03-31 2019-08-28 ダイキン工業株式会社 Refrigeration equipment
JPWO2017002215A1 (en) * 2015-06-30 2018-01-18 三菱電機株式会社 Refrigerant leak detection system
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JP6333481B2 (en) * 2015-06-30 2018-05-30 三菱電機株式会社 Refrigerant leak detector
JP6065962B1 (en) * 2015-10-28 2017-01-25 三菱電機株式会社 Refrigeration cycle equipment
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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EP3029397A4 (en) * 2013-08-01 2017-04-26 Mitsubishi Electric Corporation Heat source unit

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