JPS5912011U

JPS5912011U - Pump discharge flow abnormality detection device

Info

Publication number: JPS5912011U
Application number: JP10553082U
Authority: JP
Inventors: 真右江口; 清美荒川
Original assignee: 日機装株式会社
Priority date: 1982-07-14
Filing date: 1982-07-14
Publication date: 1984-01-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案に係るポンプの吐出流量異常検　　　　
′釦装置の一実施例を示す検知部と制御部との基本構成
を示す斜視図、第２図は本考案に係る吐出流量異常検知
装置のポンプ系に対する接続配置図、第３図１〜６は本
考案装置の動作特性を示す波形図である。１０・・・検知管、１２・・・センサ、１４・・・検知
部、１６・・・制御部、１８・・・ポンプ、２０・・・
ポンプ室、２２・・・流体吸込配管、２４・・・流体吐
出配管、２６・・・フロート、３０・・・警報ランプ。Figure 1 shows abnormal discharge flow rate detection of the pump according to the present invention.
' A perspective view showing the basic configuration of a detection section and a control section showing one embodiment of the button device, FIG. 2 is a connection layout diagram of the discharge flow rate abnormality detection device according to the present invention with respect to a pump system, and FIGS. 3 1 to 6 1 is a waveform diagram showing the operating characteristics of the device of the present invention. DESCRIPTION OF SYMBOLS 10... Detection tube, 12... Sensor, 14... Detection part, 16... Control part, 18... Pump, 20...
Pump chamber, 22...Fluid suction piping, 24...Fluid discharge piping, 26...Float, 30...Alarm lamp.

Claims

[Scope of utility model registration request]

(1) Equipped with a detection tube containing a float whose level fluctuates depending on the displacement of the flow rate, and a sensor that detects the position of the float within a predetermined level fluctuation range within the detection tube, and when the float abnormally decreases, the output of the sensor A discharge flow rate abnormality detection device for a pump comprising a control circuit that is activated when a signal is cut off and compares and detects the cutoff time of an output signal of a sensor for a predetermined period of time to determine a flow rate abnormality.

(2) Utility Model Registration In the discharge flow rate abnormality detection device described in claim 1, the detection tube is made of a non-magnetic material, and the float is made of a metal material and the surface of the core body is coated with a corrosion-resistant material. Or a pump discharge flow rate abnormality detection device made of a corrosion-resistant metal material and having a sensor as a proximity switch.

(3) Utility Model Registration In the discharge flow rate abnormality detection device according to claim 1 or 2, the control circuit is activated by interrupting the output signal of the sensor and can set an adjustable time. A pump discharge flow rate abnormality detection device comprising a timer mechanism that generates an alarm output signal only when the output signal of the sensor continues to be cut off during tie 1 fufufu of the set time.