CN201110973Y

CN201110973Y - Electronic water level controller

Info

Publication number: CN201110973Y
Application number: CNU2007200652871U
Authority: CN
Inventors: 许晨波
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2008-09-03
Anticipated expiration: 2017-11-30

Abstract

The utility model discloses an electronic water level controller, comprising a low water level probing line(2), a high water level probing line(3), a common probing line(1) and a control circuit. The electronic water level controller is characterized in that the common probing line(1) is provided with a common probe(11) and a spare common probe(13) which is higher than the high water level probing line(3); the control circuit consists of a power supply convertor(10), a central control unit(5), a relay(6)and a diode(4) which is connected between the low water level probing line(2) and the high water level probing line(3). Provided with a spare common probe, the electronic water level controller is highly reliable and the circuit is sample and is low in cost.

Description

The electronics water level controller

One, technical field:

The utility model relates to a kind of being used for and need just come to control automatically the electronics water level controller of pump motor start-stop according to water level.

Two, background technology:

The electronics water level controller of prior art, though can accomplish aspect function and life-span fine, but still have two problems that are difficult to solve: one, existing water pump guard method all exists circuit complexity, probe wiring complicated problems, so technical requirement height to installation personnel, and finally cause complexity or with high costs is installed, have influence on the penetration and promotion of electronics water level controller; Two, its reliability is not high, in case the user forgets periodic maintenance, when the serious or corrosion of probe fouling finishes, just might occur can't auto stop problem.

Three, summary of the invention:

The purpose of this utility model is to provide a kind of circuit simple, easy for installation and possess the electronics water level controller of high reliability.

The technical scheme that the utility model adopted is: a kind of electronics water level controller, include low-water level probe wire, high water stage probe wire, public probe wire, control circuit, it is characterized in that: described public probe wire has public probe and standby public probe, and standby public probe positions is higher than the high water stage probe wire; Control circuit is made up of supply convertor, central control unit, relay and diode; Diode is connected between low-water level probe wire, the high water stage probe wire.

The utility model is owing to there is a standby public probe, can not obtain in time to safeguard and turn-offs water pump by force under corrosion finishes or fouling was lost efficacy the situation at low-water level probe wire and public probe wire, possess high reliability, and circuit is simple, easy for installation.

Four, description of drawings:

Fig. 1 is a structural drawing of the present utility model;

Fig. 2 is the partial enlarged drawing of public probe wire.

Five, embodiment:

Below in conjunction with the drawings and specific embodiments the utility model is further specified:

As can be seen from Figure 1, the utility model comprises probe wire, control circuit, music prompter three parts, and probe wire has three, for high water stage probe wire 3, low-water level probe wire 2, public probe wire 1, is used to survey high and low water level; Control circuit comprises the diode 4 that supply convertor 10, central control unit 5, relay 6, two ends link to each other with high water stage probe wire 3, low-water level probe wire 2 respectively; Music prompter is made of mu balanced circuit 7, musical film 8, hummer 9, and the two ends of music prompter are in parallel with the two ends of relay 6.

As can be seen from Figure 2: public probe wire 1 is the two-layer structure of antirust conduction sandwich layer, insulation course, have

public probe

11 and 13 2 probes of standby public probe, antirust conduction sandwich layer between the last insulation course 14 that standby public probe 13 is public probe wire, the following insulation course 12, standby public probe 13 positions are higher than high water stage probe wire 3.

The course of work: when the cistern water level is lower than low-water level probe wire 2, central control unit 5 output orders, relay 6 energising starts water pumps, and music prompter sounding simultaneously informs that to the user water pump works; When the cistern water level is higher than high water stage probe wire 3, central control unit 5 output orders, relay 6 outages, water pump quits work, and music prompter stops sounding simultaneously; When the user forgets periodic maintenance, when the serious or corrosion of probe fouling finishes, when the cistern water level is higher than standby public probe 13, central control unit 5 output orders, relay 6 also can cut off the power supply, and water pump quits work, and music prompter stops sounding simultaneously.

Electronic water level controller described in the utility model has reliability height, easy-to-install advantage, Can be widely used in the places such as various water towers, cistern, cooling tower, high building water tank, condensation water tank.

Claims

1, a kind of electronics water level controller, include low-water level probe wire (2), high water stage probe wire (3), public probe wire (1), control circuit, it is characterized in that: described public probe wire (1) has public probe (11) and standby public probe (13), and standby public probe (13) position is higher than high water stage probe wire (3); Control circuit is made up of supply convertor (10), central control unit (5), relay (6) and diode (4), and diode (4) is connected between low-water level probe wire (2), the high water stage probe wire (3).

2, electronics water level controller according to claim 1 is characterized in that: described standby public probe (13) is the last insulation course (14) of public probe wire, the antirust conduction sandwich layer between the following insulation course (12).

3, electronics water level controller according to claim 1, it is characterized in that: described relay (6) two ends also are connected to a music prompter.