CN204065737U

CN204065737U - Cleaning machine intelligent central control system

Info

Publication number: CN204065737U
Application number: CN201420441222.2U
Authority: CN
Inventors: 陈东海; 陈东明
Original assignee: HUBEI KALEN CLEANING SYSTEM CO Ltd
Current assignee: Jiatlin Intelligent Equipment (Wuxi) Co., Ltd.
Priority date: 2014-08-06
Filing date: 2014-08-06
Publication date: 2014-12-31
Anticipated expiration: 2024-08-06

Abstract

A kind of cleaning machine intelligent central control system, comprises Programmable Logic Controller, it is characterized in that: also comprise earth leakage protective device, pumphead pressure switch and pressure regulator valve pressure switch; Thermal overload relay, phase shortage, phase failure protector, the signal output part of earth leakage protective device is connected with the signal input of Programmable Logic Controller, thermal overload relay, the signal input part of phase shortage, phase failure protector is connected on the power lead of motor through mutual coupling sensor, and the signal input part of earth leakage protective device is connected on motor power-supply wire porch respectively through sensor for detecting electric leakage; Another signal input part of Programmable Logic Controller is connected with the indication end of pressure regulator valve pressure switch duty with in order to detect pump head pressure switch, and its output terminal is connected with the signal input part of A.C. contactor.The utility model can carry out complicated Row control to each parts of jetting machine and function; And there is phase shortage, disconnected phase or phase electric protection function, prevent machine breakdown; Can prevent machine from leaking electricity, to protect personnel's personal safety.

Description

Cleaning machine intelligent central control system

Technical field

The utility model relates to a kind of apparatus control system, is a kind of intelligent central control system for cleaning machine specifically.

Background technology

Jetting machine be by propulsion system make high-pressure pump produce water under high pressure body surface is cleaned, decontamination, scale removal a kind of equipment.Generally include propulsion system, high-pressure pump, control system and annex etc.The startup of cleaning machine and job control are all controlled by control system, so the function of control system, directly affects serviceability and the operating performance of cleaning machine.

At present, existing high-pressure wash is more single at controlling party surface function, only has simple startup to stop controlling, and jetting machine application is comparatively extensive, working environment is relatively more severe, and humid environment, operating personnel's health and machine all may have water, and industrial accident often occurs.Existing jetting machine lacks effective WorkFlow Managerment, machine safeguard protection, operating personnel's personal safety protection and fault diagnosis means.

Utility model content

The utility model provides a kind of cleaning machine intelligent central control system; this control system has motor heat overload, phase shortage, open-phase protection and creepage protection function, can solve the problems such as the automatic control of jetting machine workflow, machine safeguard protection, operating personnel's personal safety protection and fault diagnosis.

Described cleaning machine intelligent central control system comprises Programmable Logic Controller, A.C. contactor, thermal overload relay, phase shortage, phase failure protector etc., it is characterized in that: also comprise earth leakage protective device, pumphead pressure switch and pressure regulator valve pressure switch; Thermal overload relay, phase shortage, phase failure protector, the signal output part of earth leakage protective device is connected with the signal input of Programmable Logic Controller, thermal overload relay, the signal input part of phase shortage, phase failure protector is connected on the power lead of motor through mutual coupling sensor, and the signal input part of earth leakage protective device is connected on motor power-supply wire porch respectively through sensor for detecting electric leakage; Another signal input part of Programmable Logic Controller is connected with the indication end of pressure regulator valve pressure switch duty with in order to detect pump head pressure switch; The control signal output terminal of Programmable Logic Controller is connected with A.C. contactor and beacon signal input end.

The utility model adopts Programmable Logic Controller as master controller, can realize jetting machine WorkFlow Managerment, simplified control system, reduces control system failure rate, is convenient to control system upgrading.

When jetting machine breaks down, Programmable Logic Controller will stop machine in time and provides corresponding instruction, so that fault diagnosis and maintenance.

DC24V Switching Power Supply is adopted to be that control system is powered.The switch of control system, pilot lamp, sensor are DC24V and power, and guarantee handling safety.

Adopt open-phase protection relay, when motor power phase shortage, disconnected phase or phase voltage are uneven, cut off motor power and report to the police, to protect motor, preventing motor damage.

Adopt leakage current sensor, jetting machine is at work because occurring electric leakage in the situation such as humid environment, aging circuit time, cutoff high cleaning machine power supply, to protect the personal safety that operating personnel and surrounding work are member.

The utility model has the following advantages:

1, complicated Row control can be carried out to each parts of jetting machine and function;

2, control system hardware quantity can be reduced, reduce hardware fault rate;

3, conveniently control system upgrading can be carried out;

4, can protect situations such as jetting machine phase shortage, disconnected phase or phase voltage imbalances, prevent machine breakdown;

5, can prevent machine from leaking electricity, to protect personnel's personal safety.

6, jetting machine fault can be shown, so that fault diagnosis and maintenance.

Accompanying drawing explanation

Fig. 1 is the utility model control system theory diagram;

Fig. 2 is mounting structure schematic diagram;

Fig. 3 is circuit interconnect pattern.

Embodiment

Below in conjunction with the drawings and specific embodiments, intelligent high-pressure cleaning machine is further described.

As shown in Figure 1,3, described cleaning machine intelligent control system of the present utility model comprises A.C. contactor 1, thermal overload relay 2, motor 3, open phase protector 4, DC24V Switching Power Supply 5, Programmable Logic Controller 6, earth leakage protective device 7, pilot lamp (red) 8, starting switch 9, pilot lamp (green) 10, pumphead pressure switch 11 and pressure regulator valve pressure switch 12.

In Fig. 1 schematic diagram and Fig. 3 circuit interconnect pattern, described cleaning machine intelligent central control system comprises Programmable Logic Controller 6, A.C. contactor 1, thermal overload relay 2, phase shortage, phase failure protector 4, it is characterized in that: also comprise earth leakage protective device 7, pumphead pressure switch 11 and pressure regulator valve pressure switch 12; Thermal overload relay 2, phase shortage, phase failure protector 4, the signal output part of earth leakage protective device 7 is connected with the signal input of Programmable Logic Controller 6.In Fig. 3; signal input port X1, X4, X5 of Programmable Logic Controller 6 respectively with thermal overload relay 2; phase shortage, phase failure protector 4 are connected with leakage relay 7 corresponding port; the output port of phase shortage, phase failure protector 4 is connected with A.C. contactor 1 through terminal block L1, L2, L3, cuts off the electricity supply under the control of Programmable Logic Controller 6 when there is overload, phase shortage or disconnected phase, electric leakage.

As shown in Figure 2, the motor 3 that high-pressure pump 13 is housed is arranged in frame 15, and cleaning machine intelligent central control system is arranged in frame 15, and pressure regulator valve 14 is arranged on high-pressure pump 13, pressure regulator valve pressure switch 12 is arranged on the water outlet end of pressure regulator valve 14, and pumphead pressure switch 11 is arranged on high-pressure pump 13.

Thermal overload relay 2, phase shortage, the signal input part of phase failure protector 4 is connected on through mutual coupling sensor on the power lead of motor 3, the signal input part of earth leakage protective device 7 is connected on motor 3 power lead porch through sensor for detecting electric leakage, whether drain conditions is there is for detecting jetting machine, when jetting machine exist leakage current be greater than 10mA time, earth leakage protective device 7 action, hold to Programmable Logic Controller 6 signal by X5, Programmable Logic Controller 6 makes action, cut off the operation circuit of A.C. contactor 1, make high-pressure wash tester in power-down state and quit work, fault alarm instruction made by signal lamp red 8, another signal input part X2, X3 of Programmable Logic Controller are connected with the indication end of pressure regulator valve pressure switch duty respectively with in order to detect pump head pressure switch 11, the control signal output terminal Y0 of Programmable Logic Controller is connected with A.C. contactor 1 signal input part.

Intelligent high-pressure cleaning machine after being powered up, intelligent control system carries out primary fault detection, and Detection of content comprises: open-phase fault detection, leak current fault detection, thermal overload relay fault detect, the detection of pumphead pressure switch fault, the fault detect of pressure regulator valve pressure switch.Detection does not have fault, and opening starting switch can start, and has fault, can not start the machine and report to the police if detect.

In equipment running process, intelligent control system carries out operation troubles monitoring to equipment, and Contents for Monitoring is consistent with above-mentioned initial detecting content, and monitoring exists fault, and equipment is by auto stop and report to the police.

In equipment running process, the duty by detecting pump head pressure switch 11 and pressure regulator valve pressure switch 12 is also monitored the action of switch High Pressure Gun by intelligent control system, and to realize closing rifle time delay shutdown, shooting start controls.

Claims

1. a cleaning machine intelligent central control system, comprises Programmable Logic Controller, A.C. contactor, thermal overload relay, phase shortage, phase failure protector, it is characterized in that: also comprise earth leakage protective device, pumphead pressure switch and pressure regulator valve pressure switch; Thermal overload relay, phase shortage, phase failure protector, the signal output part of earth leakage protective device is connected with the signal input of Programmable Logic Controller, thermal overload relay, the signal input part of phase shortage, phase failure protector is connected on the power lead of motor through mutual coupling sensor, and the signal input part of earth leakage protective device is connected on motor power-supply wire porch respectively through sensor for detecting electric leakage; Another signal input part of Programmable Logic Controller is connected with the indication end of pressure regulator valve pressure switch duty with in order to detect pump head pressure switch; The control signal output terminal of Programmable Logic Controller is connected with the signal input part of A.C. contactor.