CN2208626Y

CN2208626Y - Fully automatic pipe booster pump

Info

Publication number: CN2208626Y
Application number: CN 94221025
Authority: CN
Inventors: 张黎明
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-05
Filing date: 1994-09-05
Publication date: 1995-09-27
Anticipated expiration: 2004-09-05

Abstract

The fully-automatic pipe booster pump of the utility model has a fully-automatic controller composed of a power circuit, a contactor circuit and a control circuit, wherein, the control circuit comprises a voltage-reducing rectifying voltage stabilizing circuit, judgment circuits and a delay circuit. Three sets of judgment circuits are provided. A relay can be conducted and stopped by infrared sensor circuits, signal comparison circuits and triode circuits. The utility model can judge low water lever, high water level and whether water is supplied or not, and can realize by the delay circuit and the contactor circuit, the functions, that the booster pump does not start up without water; starts up later during low voltage, keeps running during medium voltage and shuts down later during high voltage, and the booster pump obtains the effect of fully-automatic control.

Description

Fully automatic pipe booster pump

The utility model relates to a kind of pipe pressurizing pump.

The work of pipe pressurizing pump is subjected to the restriction of three kinds of operating modes, and the one, pipeline is anhydrous, can not start; The 2nd, pipeline has water low pressure, needs to start; The 3rd, pipeline has the water high pressure, needs shutdown.At present, the work of pipe pressurizing pump be according to operator to the observation of these three kinds of operating modes and grasp and artificial control, so operator not only the operating time long, labor intensity is big, and the precision of control is also relatively poor.

The purpose of this utility model provides a kind of full automatic pipe pressurizing pump.

This pipe pressurizing pump has by power circuit, the full automatic controller that the contactor circuit of control power circuit break-make and the control circuit of control contactor connecting and disconnecting of the circuit are formed, wherein control circuit comprises the depressurization and rectification mu balanced circuit, decision circuitry that whether there is water or not, low hydraulic pressure decision circuitry, high hydraulic pressure decision circuitry and delay circuit, above-mentioned three cover decision circuitry are by infrared-emitting diode, infrared receiving diode, comparison circuit, triode and relay are formed, delay circuit is by charge-discharge circuit, time base circuit and relay are formed, and dispose one and overlap the relay circuit of control delay circuit break-make, be provided with relay in this relay circuit, with the normally open contact of the low hydraulic pressure decision circuitry relay of the normally open contact parallel connection of this relay and with the normally closed interlock of the high hydraulic pressure decision circuitry relay of this parallel connection contact circuit series connection, the normally closed interlock of whether there is water or not decision circuitry relay is the on-off switch of delay circuit, another normally open contact of the relay of relay circuit is the on-off switch of charge-discharge circuit, the normally open contact of delay circuit relay then is the on-off switch of contactor circuit, in addition, infrared-emitting diode in the decision circuitry that whether there is water or not and infrared receiving diode are arranged in the water inlet probe that is installed on the suction booster feed-water end, the ray shutter that also is provided with ball float and promotes in this water inlet probe by ball float, infrared-emitting diode in low hydraulic pressure decision circuitry and the high hydraulic pressure decision circuitry and infrared receiving diode are arranged on and are installed on the going out in the water prode of suction booster waterexit end, and this goes out also to be provided with piston in the water prode, piston push rod, piston reset spring and ray shutter.

Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.

Fig. 1: mechanical structure sketch of the present utility model;

Fig. 2: the skeleton diagram of full automatic controller;

Fig. 3: the circuit theory diagrams of full automatic controller;

Fig. 4: water inlet sonde configuration sketch;

Fig. 5: water outlet sonde configuration sketch.

As shown in the figure, the feed-water end of pipe pressurizing pump described in the utility model is provided with into water probe 1, the waterexit end is provided with out water prode 2, also has the full automatic controller of forming by the control circuit of power circuit, the contactor circuit of controlling the power circuit break-make and control contactor connecting and disconnecting of the circuit, decision circuitry that wherein control circuit comprises the depressurization and rectification mu balanced circuit, whether there is water or not, low hydraulic pressure decision circuitry, high hydraulic pressure decision circuitry and delay circuit, above-mentioned three cover decision circuitry are by infrared-emitting diode D _K1, D _K2, D _K3, infrared receiving diode D _R1, D _R2, D _R3, comparison circuit, triode T ₁, T ₂, T ₃And relay J ₁, J ₂, J ₃Form, delay circuit is by charge-discharge circuit, time base circuit and relay J ₄Form, and dispose the relay circuit of a cover control charge-discharge circuit break-make, be provided with relay J in this relay circuit ₅, with this relay J ₅Normally open contact J _5K1Low hydraulic pressure decision circuitry relay J in parallel ₂Normally open contact J _2KReach high hydraulic pressure decision circuitry relay J with this parallel connection contact circuit series connection ₃Normally closed interlock J _3K, decision circuitry relay J that whether there is water or not ₁Normally closed interlock J _1KBe the on-off switch of delay circuit, the relay J of relay circuit ₅Another normally open contact J _5K2Be the on-off switch of charge-discharge circuit, the delay circuit relay J ₄Normally open contact J _4KThen be the on-off switch of the contactor J of contactor circuit, in addition, the infrared-emitting diode D in the decision circuitry that whether there is water or not _K1With infrared receiving diode D _R1Be arranged in the water inlet probe 1 that is installed on the suction booster feed-water end ray shutter 4 that also is provided with ball float 3 and promotes in this water inlet probe 1, the infrared-emitting diode D in low hydraulic pressure decision circuitry and the high hydraulic pressure decision circuitry by ball float 3 _K2, D _K3With infrared receiving diode D _R2, D _R3Be arranged on and be installed on the going out in the water prode 2 of suction booster waterexit end, this goes out also to be provided with piston 5, piston push rod 6, piston reset spring 7 and ray shutter 8 in the water prode 2.

As shown in the figure, present embodiment adopts step-down transformer BK, bridge rectifier D ₁～D ₄Form the depressurization and rectification mu balanced circuit with integrated package of pressure-stabilizing IC etc., as the DC electrical source and the D.C. regulated power supply of three cover decision circuitry and delay circuit; Overlap in the decision circuitry with triode T three ₄, T ₅, T ₆And operational amplifier A ₁, A ₂, A ₃For main member forms comparison circuit, the operational amplifier A in the decision circuitry that wherein whether there is water or not ₁With the operational amplifier A in low hydraulic pressure decision circuitry and the high hydraulic pressure decision circuitry ₂, A ₃The positive and negative electrode wiring opposite, and the triode T of whether there is water or not decision circuitry ₄Same operational amplifier A ₁Between also be provided with electrochemical capacitor C ₁, its effect is to relay J ₁Normally closed interlock J _1KAction implement time-delay; In the delay circuit by variable resistor W, electrochemical capacitor C ₂, resistance R and diode D ₅Form charge-discharge circuit, make time base circuit with LM555, the effect of delay circuit is to make relay J after delay circuit ends ₄Normally open contact J _4KKeep the conducting of set time, this set time is regulated by variable resistor W.

The full-automatic pipe pressurizing pump of said structure, when its full automatic controller whether there is water or not decision circuitry is judged as pipeline is anhydrous, relay J ₁Conducting, normally closed interlock J _1KOpen, delay circuit is not worked, not conducting of power circuit, and suction booster does not start; When whether there is water or not decision circuitry and low hydraulic pressure decision circuitry made water and low hydraulic pressure when judging, relay J simultaneously ₂And J ₅Conducting simultaneously, normally open contact J _2K, J _5K1And J _5K2Closure, at this moment, charge-discharge circuit enters working state, and makes relay J in set time ₄Conducting, and then make the power circuit conducting, suction booster starts, and when suction booster started, two kinds of situations can take place the pipeline water pressure: intake pipe pressure drop and outlet pipe pressure increase suddenly, at this moment, electrochemical capacitor C ₁To make normally closed interlock J _1KContinue to remain closed in set time, delay circuit will be made high hydraulic pressure in high hydraulic pressure decision circuitry and be judged relay J ₅Make normally open contact J under the situation of dead electricity _4KIn the time of setting, keep conducting; When hydraulic pressure surpasses low hydraulic pressure standard and when not reaching high hydraulic pressure standard, relay J ₂Not conducting, normally opened contact J _2KOpen relay J ₅At self-locking contact J _5K2Effect continue down conducting, suction booster keeps on the go; When high hydraulic pressure decision circuitry is made high hydraulic pressure when judging, relay J ₃Dead electricity, normally closed interlock J _3KOpen relay J ₅Then dead electricity, relay J ₄Will be after reaching the time that delay circuit sets dead electricity, power circuit ends, the shutdown of pipe pressurizing pump.This shows that this pipe pressurizing pump can be realized fully automatic working under the control of full automatic controller.

Claims

1, a kind of full-automatic pipe pressurizing pump, it is characterized in that: have the full automatic controller of forming by the control circuit of power circuit, the contactor circuit of controlling the power circuit break-make and control contactor connecting and disconnecting of the circuit, decision circuitry that wherein control circuit comprises the depressurization and rectification mu balanced circuit, whether there is water or not, low hydraulic pressure decision circuitry, high hydraulic pressure decision circuitry and delay circuit, above-mentioned three cover decision circuitry are by infrared-emitting diode (D _K1, D _K2, D _K3), infrared receiving diode (D _R1, D _R2, D _R3), comparison circuit, triode (T1, T2, T3) and relay (J1, J2, J3) form, delay circuit is made up of charge-discharge circuit, time base circuit and relay (J4), and dispose the relay circuit of a cover control charge-discharge circuit break-make, be provided with relay (J5) in this relay circuit, with the normally open contact J of this relay (J5) _6K1The normally open contact J of low hydraulic pressure decision circuitry relay (J2) in parallel _2KReach normally closed interlock (J with the high hydraulic pressure decision circuitry relay (J3) of this parallel connection contact circuit series connection _3K), the normally closed interlock J of whether there is water or not decision circuitry relay (J1) _1KBe the on-off switch of delay circuit, another normally open contact J of relay circuit relay (J5) _5K2Be the on-off switch of charge-discharge circuit, the normally open contact (J4K) of delay circuit relay (J4) is the on-off switch of contactor circuit, in addition, and the infrared-emitting diode (D in the decision circuitry that whether there is water or not _K1) and infrared receiving diode (D _R1) be arranged in the water inlet probe (1) that is installed on the suction booster feed-water end ray shutter (4) that also is provided with ball float (3) and promotes in this water inlet probe (1), the infrared-emitting diode (D in low water decision circuitry and the high hydraulic pressure decision circuitry by ball float (3) _K2, D _K3) and infrared receiving diode (D _R2, D _R3) be arranged on and be installed on the going out in the water prode (2) of suction booster waterexit end, this goes out also to be provided with piston (5), piston push rod (6), piston reset spring (7) and ray shutter (8) in the water prode (2).

2, full-automatic pipe pressurizing pump according to claim 1 is characterized in that: be provided with electrochemical capacitor (C1) in the comparison circuit of decision circuitry that whether there is water or not.