CN2864376Y

CN2864376Y - Automatic water feeding controller for boiler

Info

Publication number: CN2864376Y
Application number: CN 200620025204
Authority: CN
Inventors: 黄兴龙
Original assignee: 黄兴龙
Current assignee: China Railway 16th Bureau Group Co Ltd
Priority date: 2006-01-20
Filing date: 2006-01-20
Publication date: 2007-01-31
Anticipated expiration: 2016-01-20

Abstract

The utility model relates to an automatic water feeding controller for a boiler, which comprises a box body. A start button and a stop button, a power indication lamp, an operation indication lamp and a double-throw switch are arranged on the surface of box body; an input and an output connection holes are arranged on one side of the box body; a mounting connection board for electrical components is arranged in the box body; the mounting connection board for electrical components is connected with a small three phase AC contactor, a mid relay and an electrical contacting pressure meter; the mounting connection board is also connected with the start and the stop buttons on the surface of the box body, the power source indication lamp, the operation indication lamp and the double-throw switch; the output of the electrical circuit is connected with a water feeding motor through the AC contactor. In this way, a controller which can be operated manually and automatically is formed. With simple structure and low manufacturing cost, the utility model is suitable to automatic water feeding control of big, mid and small boilers. Operation is safe and reliable, sensitivity is high and accuracy is good, and pressure of feeding water can be adjusted freely; and the utility model also improves heat efficiency, and saves energy effectively with wide application.

Description

Boiler automatic water supplement controller

Technical field

The utility model relates to a kind of controller, particularly a kind of boiler automatic water supplement controller.

Background technology

As everyone knows, heating boiler and circulating water pipeline often because of lack of water causes entering air in the pipeline, thereby often occur the stifled phenomenon of gas often because of reasons such as thermal evaporation and leakages, thereby make that current can not normal circulation, will make that water in the pipeline does not circulate, heating installation is not warm.Though can adopt method for exhausting, can only temporarily deal with problems, again above phenomenon can appear, so must solve the key issue of timely moisturizing when lack of water once more.For many years, the method for supplementing water of employing is to combine with adding a big rubbery human body in the metal water pitcher.Like this, the one, bulky heaviness, floor space are big; Volume often is about two cubic metres, weighs about one ton; The 2nd, cost cost height is installed a set of equipment 20,000 yuan of funds nearly; The 3rd, fault is more, and maintenance difficult is easily leaked gas as air bag, often inflate, so influence operate as normal; The 4th, the maintenance cost height is changed air bag expense costliness, and buys inconvenience, can not in time repair in case damage; If water replanishing device can not be worked, just can't ensure the normal operation of heating system.

The utility model content

The purpose of this utility model is to overcome above-mentioned weak point, and a kind of simple in structure, dependable performance, boiler automatic water supplement controller easy to use are provided.

The technical scheme that the utility model adopted is for achieving the above object: a kind of boiler automatic water supplement controller, its feature comprises box body, box surface is provided with start button and stop button, power supply indicator and work run indicator and commutator, box body one side is provided with input, output connection hole, is provided with the electrical equipment fixing circuit board in the box body; Be connected with small-sized three-phase ac contactor on the electrical equipment fixing circuit board, auxiliary reclay and electric contact type pressure gauge, and with start button that is revealed in box surface and stop button, power supply indicator is connected with work run indicator and commutator; Circuit output is connected with the small pump motor by A.C. contactor.

The utility model beneficial effect is:

1, simple in structure, the cost cost is low.All electric elements are added up, and expense adds up to about 300 yuan.

2, volume is little, in light weight.Cumulative volume and family are approximate with ammeter box, and weight only has several kilograms, and installation, easy to use can be fixed in metope, and it is little to take up room.

3, dependable performance, the controlled pressure adjustable range is big.Can regulate arbitrarily according to required pressure, adjust several kilograms pressure all can, use very extensive.

4, each rate of water make-up also can be regulated arbitrarily.Can accomplish to lack how much water and just mend how much water, that is to say and to accomplish once to mend tens jin, or once mend hundreds of jin.Can change the frequency and the number of times of moisturizing, guarantee to replenish at any time in the circulating water pipeline of boiler and heating system lack of water.Thereby prevention pipeline internal cause owes water the under-voltage phenomenon generation that enters air, makes the recirculated water in the pipeline unblocked, strengthens discharge, improves the thermal efficiency, simultaneously effective energy savings.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is that the utility model electrical equipment that is connected with the small pump motor connects fundamental diagram.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, details are as follows to the specific embodiment, structure, feature that foundation the utility model provides:

As shown in Figure 1 and Figure 2, a kind of boiler automatic water supplement controller, its feature comprises box body 1, box body 1 surface is provided with start button QA and stop button TA, red power supply indicator HL1 and green work run indicator HL2 and commutator K1, K2, box body one side is provided with input, output connection hole 2, is provided with electrical equipment fixing circuit board 3 in the box body 1; Electrical equipment fixing circuit board 3 is connected with the small-sized three-phase ac contactor J1 of 20A, two electric contact K4, K3 up and down of the auxiliary reclay J2 of 5～10A and electric contact type pressure gauge, and with start button QA that is revealed in box body 1 surface and stop button TA, red power supply indicator HL1 is connected with green work run indicator HL2 and commutator K1, K2; Circuit output is connected with small pump motor D by A.C. contactor J1.Electric contact type pressure gauge can select to place box body 1 inner or outside.By these electrical equipments connect can form one can be manually again can automatic water supplement controller circuitry.

In the enforcement, J2 can select to adopt contactor or relay.A.C. contactor J1 can adopt the contactor of different operating electric current can mate the corresponding power of control small pump motor D.

Operation principle of the present utility model: behind the power turn-on master switch DL, electricity is by the K2 in stop button TA, the commutator and the following electric contact K3 of electric contact type pressure gauge, engage relay J2, the normally opened contact closure of relay J 2, promptly started three-phase ac contactor J1 work, three-phase ac contactor J1 normally opened contact closure, small pump motor D starts, and green simultaneously work run indicator HL2 lights.When commutator K1, K2 disconnect, can only manual work.This controller utilizes two electric contact K4, K3 up and down and the control circuit in the electro connecting pressure gauge to cooperate, and finishes needed working procedure.When in boiler or the pipeline during lack of water, pressure will inevitably descend, and manometric pointer moves down, will with the following electric contact K3 closure in the Pressure gauge, connect auxiliary reclay J2, start three-phase ac contactor J1 work then, the water pump of moisturizing just begins to start, and carries out moisturizing work, when moisturizing reaches setting, pressure indicator rises to upper change point, and the last electric contact K4 in the table disconnects, and moisturizing work stops.

Through being installed in the performance test that the boiler room carries out automatic water supplement, move that all are normal, sensitivity is very high, and accurately performance is good, safe and reliable, and the pressure control of moisturizing can accomplish that any adjusting is not limited by any scope.This controller is applicable to the automatic water supplement control of large, medium and small type boiler.

Above-mentioned detailed description of boiler automatic water supplement controller being carried out with reference to embodiment; be illustrative rather than determinate; can make all size as required in the application,, should belong within the protection domain of the present utility model therefore in the variation and the modification that do not break away under the utility model general plotting.

Claims

1, a kind of boiler automatic water supplement controller, its feature comprises box body, and box surface is provided with start button and stop button, power supply indicator and work run indicator and commutator, box body one side is provided with input, output connection hole, is provided with the electrical equipment fixing circuit board in the box body; Be connected with small-sized three-phase ac contactor on the electrical equipment fixing circuit board, auxiliary reclay and electric contact type pressure gauge, and with start button that is revealed in box surface and stop button, power supply indicator is connected with work run indicator and commutator; Circuit output is connected with the small pump motor by A.C. contactor.