JPS6158695U - - Google Patents

Info

Publication number
JPS6158695U
JPS6158695U JP14330684U JP14330684U JPS6158695U JP S6158695 U JPS6158695 U JP S6158695U JP 14330684 U JP14330684 U JP 14330684U JP 14330684 U JP14330684 U JP 14330684U JP S6158695 U JPS6158695 U JP S6158695U
Authority
JP
Japan
Prior art keywords
flow rate
lower limit
pump
detection unit
pressure detection
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.)
Granted
Application number
JP14330684U
Other languages
Japanese (ja)
Other versions
JPH048320Y2 (en
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 filed Critical
Priority to JP1984143306U priority Critical patent/JPH048320Y2/ja
Publication of JPS6158695U publication Critical patent/JPS6158695U/ja
Application granted granted Critical
Publication of JPH048320Y2 publication Critical patent/JPH048320Y2/ja
Expired legal-status Critical Current

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  • Control Of Non-Positive-Displacement Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例の動作特性を説明するための線
図、第２図は本考案の一実施例を示す系統図、第
３図は同例の電気回路図、第４図は同例の動作特
性を説明するための線図である。 １，２…ポンプ部、７…合流管、８…流量検出
部、８ａ，８ｂ，９ａ…開閉素子、９…圧力検出
部、１３…制御部、ＭＣ１，ＭＣ２…電磁開閉器
、ＴＲ…タイマ、Ｘ１，Ｘ２，Ｘ３，Ｘ４…リレ
ー。 Fig. 1 is a diagram for explaining the operating characteristics of the conventional example, Fig. 2 is a system diagram showing an embodiment of the present invention, Fig. 3 is an electric circuit diagram of the same example, and Fig. 4 is a diagram of the same example. FIG. 3 is a diagram for explaining operating characteristics. DESCRIPTION OF SYMBOLS 1, 2... Pump part, 7... Merging pipe, 8... Flow rate detection part, 8a, 8b, 9a... Switching element, 9... Pressure detection part, 13... Control part, MC1 , MC2 ...Electromagnetic switch, TR... Timer, X 1 , X 2 , X 3 , X 4 ...Relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吐出側が合流管に対して並列接続された複数の
ポンプ部を有するものにおいて、上記合流管内の
圧力が一定の下限値に低下するごとに上記ポンプ
部を始動させるための始動信号を送出する圧力検
出部と、この圧力検出部から送出された先発始動
信号が入力されてから所定時間が経過するまでは
後発始動信号を遮断可能な遅延手段と、上記合流
管内の流量が複数の相異なる所定下限値に低下す
るごとに上記ポンプ部をそれぞれ停止させるため
の停止信号を送出する流量検出部とを具備するこ
とを特徴とする自動給水装置。 In a device having a plurality of pump sections whose discharge side is connected in parallel to a merging pipe, pressure detection sends a starting signal to start the pump section every time the pressure in the merging pipe drops to a certain lower limit value. a delay unit capable of blocking the later start signal until a predetermined time period has elapsed after the input of the earlier start signal sent from the pressure detection unit; and a plurality of different predetermined lower limit values for the flow rate in the confluence pipe. an automatic water supply device comprising: a flow rate detection unit that sends out a stop signal for stopping each of the pump units each time the flow rate decreases.
JP1984143306U 1984-09-21 1984-09-21 Expired JPH048320Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984143306U JPH048320Y2 (en) 1984-09-21 1984-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984143306U JPH048320Y2 (en) 1984-09-21 1984-09-21

Publications (2)

Publication Number Publication Date
JPS6158695U true JPS6158695U (en) 1986-04-19
JPH048320Y2 JPH048320Y2 (en) 1992-03-03

Family

ID=30701605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984143306U Expired JPH048320Y2 (en) 1984-09-21 1984-09-21

Country Status (1)

Country Link
JP (1) JPH048320Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02136593A (en) * 1988-11-15 1990-05-25 Matsushita Electric Ind Co Ltd Water supply device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931481A (en) * 1972-05-26 1974-03-20
JPS5121201A (en) * 1974-08-15 1976-02-20 Ebara Mfg Honpuno jidontenhoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931481A (en) * 1972-05-26 1974-03-20
JPS5121201A (en) * 1974-08-15 1976-02-20 Ebara Mfg Honpuno jidontenhoho

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02136593A (en) * 1988-11-15 1990-05-25 Matsushita Electric Ind Co Ltd Water supply device

Also Published As

Publication number Publication date
JPH048320Y2 (en) 1992-03-03

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