CN2326138Y

CN2326138Y - External-control type electric-heating water-boiling apparatus

Info

Publication number: CN2326138Y
Application number: CN 98203525
Authority: CN
Inventors: 李跃
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-15
Filing date: 1998-04-15
Publication date: 1999-06-30
Anticipated expiration: 2008-04-15

Abstract

The utility model belongs to an electric water heater used in daily life. The electric water heater used in daily life is composed of an inner water tank body, an outer water tank body, a water inlet pipeline, a water outlet pipeline, an electric heating element, a water inlet control part, and a circuit automatic control part. An upper water filling water inlet mode is adopted by the electric water heater used in daily life of the design, and a water level display pipe, a magnetic float, and an adjustable manual press button are arranged on the outer side of the outer water tank body. Thus, the electric water heater used in daily life has the advantages that the display of a water level is marked, a water inlet water level can be set according to requirements, an electromagnetic valve is not easily impacted, etc.

Description

Novel external control type electric water boiler

The utility model belongs to the electric water boiler that uses in the daily life.

At present, the most frequently used electric water boiler all is by float-ball type valve control water inlet.This water supplementing method is with using with benefit, the water of emitting be boiling water and cold water mixing water promptly " water " this water do not meet the hygienic requirements of drinking water.Having proposed a kind of magnetic float switch of being made up of tongue tube and magnetic float in the file of the patent No. 93207055.8 title electric water boilers controls magnetic valve action and reaches control to water inlet.Though the water that this electric water boiler is emitted can meet the hygienic requirements of drinking water, its weak point also is tangible:

1, water level displaying tube does not expose, and is unfavorable for estimating water level;

2, the water inlet water level in the water tank can not be according to using needs arbitrarily to regulate and control;

3, adopt water intake mode down, impact magnetic valve easily and influence its service life.

The purpose of this utility model is will design a kind of water level to show that water inlet water potential in eye-catching, the water tank is according to using the arbitrarily novel external control type electric water boiler of regulation and control of needs.

External control type electric water boiler of the present utility model is made up of inside and outside water tank, inlet and outlet pipe, heating, water inlet control section and the automatic control section of circuit.Wherein, the water inlet control section comprises magnetic valve and by the magnetic float switch and the adjustable manual button of magnetic float and tongue tube (or Hall element), magnet.There is a vertical conduit in the outside of outer water tank body, the lower end of conduit is communicated with the inner water tank body in the bottom of inner water tank body, magnetic float is placed in the conduit, the upper and lower side of conduit has respectively and limits water level up and down, the last lower carriage of band tongue tube (or Hall element), adjustable manual button and magnet are arranged in the upper bracket, and inlet pipeline is the bottom of water tank outside, have magnetic valve and magnetized water pipe on the pipeline, the outlet of inlet pipeline is at the upper position of inner water tank body.

The external control type electric water boiler that the utility model designs reaches the water intake mode of going up water filling owing to adopted exposed water level to show, be provided with the adjustable manual button, thereby has advantages such as the water level demonstration is eye-catching, the water inlet water level can be set arbitrarily on demand and magnetic valve is difficult for being hit.Magnetized water pipe is set on the cold water inlet pipeline then can obviously delays and alleviate the incrustation scale generation and be convenient to remove incrustation scale, can obviously improve water quality simultaneously.

The main body figure of the external control type electric water boiler that Fig. 1 designs for the utility model.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is a kind of circuit theory diagrams that electric water boiler is used.

Fig. 5 is the structure chart of upper bracket.

Below in conjunction with accompanying drawing embodiment of the present utility model and effect thereof are further described.

Fig. 1,2,3 is respectively stereogram, front view and the cutaway view of a kind of external control type electric water boiler of the utility model design.It is by outer water tank body 1, inner water tank body 2, heating 3, water inlet control section, and the automatic control section of circuit is formed.The inner water tank body can be circle or the square body made from stainless steel and other metal materials, and sheet materials such as outer water tank body 1 available metal or plastics are made, and also are lined with insulation material in the outer water tank body.There are boiling water halter 4, heating element heater 3, cold water inlet 5, magnetic valve 6, magnetized water pipe 7 in the appropriate location, bottom of casing.One side of outer water tank body 1 is equipped with the automatic control section of circuit.A vertical conduit 8 is equipped with in the positive outside of water tank 1 outside, and the lower end of conduit 8 is communicated with the bottom of inner water tank body 2, and the upper and lower side of conduit 8 is fixed in the hole of inner water tank body 2 by last lower carriage 9,10.Place magnetic float 11 in the conduit 8, it can fluctuate with water level.Tongue tube 12, magnet 13, adjustable manual button 14, spring 15 are housed in the upper bracket 9; A kind of structure chart of upper bracket is seen Fig. 5; Tongue tube 16 is housed in the lower carriage 10.The exposed water level display structure that adopts this casing that water level displaying tube is set outward can show significantly and estimate water level that setting up adjustable manual button and magnet on upper bracket then can be easily according to using needs arbitrarily to set the water inlet water level.The cold water inlet road is arranged on the appropriate location, bottom of outer water tank body 1, and it comprises cold water inlet 5, magnetized water pipe 7, magnetic valve 6 and cold water outlet pipe 17.The delivery port of cold water outlet pipe 17 is at the upper position of inner water tank body 2, promptly adopt the water intake mode of going up water filling, compare with existing down water filling water intake mode, can prevent has low amounts of water impact magnetic valve because of with water flooding regime water inlet down the time, from prolonging the service life of magnetic valve.

Magnetic float can adopt various structure and materials such as spherical or shaft-like (plastic cement, glass, foaming body, wooden, the non-ferrous metal) in the prior art, and magnetic sheet wherein can be sheet or ring-type, can put a slice or several pieces.Magnetized water pipe also can adopt the various structures in the prior art.The boiler halter can be selected arbitrarily from existing water halter.But as select the water halter of ceramic cartridge for use, then can increase greatly service life, generally after using 600,000 times, still do not have weeping.The design's optional the ining all sorts of ways of control circuit part, as relay system, integrated circuit.Fig. 4 is the circuit theory diagrams that a kind of contact-free integrated circuits control of electronic technology is adopted in design, and automatically controlled plate is defined as KKL-PCB.

The external control type electric water boiler of the utility model design has two kinds of water inlet water level modes.A kind of is fixing water on the water level, and another kind is a water on any water level.Fixedly water is meant water on the full water case on the water level, promptly when the water level in the inner water tank body drops to lower carriage 10 positions, the also corresponding position that is reduced to lower carriage 10 of float 11, the magnetic float switch motion (being the SQ2 closure) that tongue tubes 16 in magnetic float 11 and the lower carriage 10 are formed with in just energising or the SB of making in service (forcing water inlet) closure, logic control by automatically controlled plate KKL then, connect YV (magnetic valve 6), L1 is bright for water filling this moment indicator lamp, and cold water enters inner water tank body 2 through magnetized water pipe by outlet pipe 17.When the water level in the inner water tank body 2 reaches the position of upper bracket 9, be that magnetic float 11 is when reaching the position of tongue tube 12, the magnetic float switch motion of forming by magnetic float 11 and tongue tube 12 (being the SQ1 closure), logic control by automatically controlled plate KKL makes YV disconnection (magnetic valve 6) stop into water, the VT closure begins to heat, and burner on light L3 is bright simultaneously.When water temperature reached 100 ℃, temperature detect switch (TDS) action (being that ST disconnects) stopped heating, and it is bright that water is opened indicator lamp L2, and can fetch water and drink this moment.Continuously water intaking makes that water level descends in the water tank, during tongue tube 12 positions, begins water filling again in lower carriage 10; Repeat said process, what so just guaranteed to take is the mixing water of boiling water rather than boiling water and cold water.Another kind is a water on any water level, does not promptly need water on the full water case and the water level of water yield control water inlet that can be according to actual needs.When reaching required water level in above-mentioned water inlet process, press by these need adjustable manual button 14 immediately, magnet 13 is descended to be made it and tongue tube 12 adaptive (being the SQ2 closure), logical program by automatically controlled plate KKL makes YV disconnection (magnetic valve 6) dead electricity stop water, makes the VT closure begin to heat by KKL.When water temperature reaches 100 ℃, temperature detect switch (TDS) ST action stopping heating.Make in this way and can boil water according to actual requirement easily, both saved electric resources, again can waste water resource.It is little to adopt the control of this contact-free integrated circuits to have a volume, control is reliable, be not afraid of the advantages such as ripple, vibrations of running, and can also strengthen the volume that adds water in the water tank, having overcome contactor control is often to shake virtual connection that occurs or the shortcoming that does not connect because of the top ripple in the relay control.

18 is water draining beaks among the figure, opens water draining beak and can make water emptying in the inner water tank.

The label of not mentioning in specification among the figure, parts and function have been made corresponding mark.

Claims

1, a kind of external control type electric water boiler, it comprises interior outer water tank, inlet and outlet pipe, heating, water inlet control section and the automatic control section of circuit, the water inlet control section comprises magnetic valve and the magnetic float switch of being made up of magnetic float and tongue tube (or Hall element), said magnetic float is placed in the conduit, the upper and lower side of said conduit has respectively and limits water level up and down, the last lower carriage of band tongue tube (or Hall element), the lower end of said conduit is communicated with the inner water tank body in the bottom of water tank, said inlet pipeline is in the bottom of water tank, have magnetic valve on the said pipeline, magnetized water pipe, it is characterized in that said water inlet control section also comprises adjustable manual button and magnet, said adjustable manual button and magnet are arranged in the upper bracket.

2, by the said external control type electric water boiler of claim 1, it is characterized in that the upper position of the outlet of said inlet pipeline at the inner water tank body.

3,, it is characterized in that the contactless integral control circuit of the electronic technology formation that said automatic control section adopts by claim 1 or 2 said external control type electric water boilers.