CN2269550Y

CN2269550Y - Quick electric water heater

Info

Publication number: CN2269550Y
Application number: CN 96244900
Authority: CN
Inventors: 李修志; 李江辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-11-28
Filing date: 1996-11-28
Publication date: 1997-12-03
Anticipated expiration: 2006-11-28

Abstract

The utility model provides a quick electric water heater whose heating element is made of the technology of a transparent electric heating film, the outer surface of a quartz glass pipe is sprayed and coated with a layer of transparent electric heating film, and heating pipes are sealed in the fixed holes of a water inlet chamber and a water outlet chamber through sealing pads and tightening screw bolts. The utility model has the functions of water-electricity complete isolation, automatic energization when having water, automatic electricity breakage when having no water, temperature-limiting protection, magnetization, light indication, etc. The utility model has reliable performance, high heat efficiency (more than 90%), small volume and light weight, and the quick electric water heater can be safely installed on a water tap, solving the problem of warm water for families, restaurants, hospitals, hair-beautifying shops, industries, etc. The utility model can also be used as a shower bath device.

Description

Quick electric water heater

The utility model relates to a kind of device that utilizes Electric radiant Heating Film with mobile running water Fast Heating.

Two kinds of devices that utilize electric energy with mobile running water Fast Heating are arranged on the market now.The first places heating wire and electrothermal tube the cavity of a small container, when running water passes through wherein, electrothermal tube or electrothermal wire heating are measured the transmission feedwater, make the water heating, it two is that two (or two groups) electrodes are placed the cavity of a small container, when running water passes through wherein, the alternating current of 220V is added between two (or two groups) electrodes, make electric conductor with water, with the water heating, the common ground of these two kinds of devices is exactly that heater element places water, water power does not have fine isolation, in case imperfect earth or heating tube insulation damages will cause electric shock accidents, cause personal injury.

The purpose of this utility model is to provide a kind of water power to isolate; and the new device of the running water that will flow fast heating; this device can also be realized the water flowing functions such as automatic outage, protected by temperature limitation, magnetization, light indication of switching on automatically, cut off the water supply; it can eliminate the unsafe factor that occurs when people use effectively, and easy to use.

The purpose of this utility model is achieved in that to utilize two (or more than two) measure-alike, heat conductivility and insulating properties are all good, to all fabulous quartz glass tube (8) of the cold causus tolerance intensity of play, make layer of transparent Electric radiant Heating Film (9) at its outer surface, quartz glass tube (8) and Electric radiant Heating Film (9) form the heating tube of this device jointly, during energising, running water flows in pipe, Electric radiant Heating Film is converted into heat energy at tube outer surface with electric energy, heat energy conducts the water that flows in the pipe by quartz glass tube, and water has just been isolated by quartz glass tube (8) fully with electricity like this.

The utility model provides a kind of structure of Fast Heating of high electrothermal efficiency: to be transparent electric heating film (9) molten mutually with quartz glass tube (8) intimate is an integral body for one of key of this structure, and Electric radiant Heating Film (9) evolution of heat can be transmitted feedwater rapidly.Two of key is to install the reflector (5) that one deck is made of aluminium sheet additional in the outside of heating tube, with the heat that reduces heating tube to the outer space radiation.Owing to adopt said structure, the thermal efficiency of the present utility model is up to more than 90%, and firing rate reaches in water flowing energising back promptly had hot water to flow out from delivery hose (19) in 3～5 seconds.

The utility model provides a kind of water power switch to realize that water flowing switches on automatically, the automatic circuit break function of cutting off the water supply, this water power switch is by rubber membrane (14), gland (15) and microswitch (20) are formed, during water flowing, the pressure of flowing water make rubber membrane (14) recessed with microswitch (20) closed → make silicon controlled circuits for triggering conducting → heating tube begin the energising heating.When cutting off the water supply, rubber membrane (14) is by self elastic reset → heating of cutting off the power supply → stop of silicon controlled circuits for triggering → heating tube is opened → is disconnected to microswitch (20), so can prevent from still to switch on when anhydrous in quartz ampoule (8) and add the unsafe factor that thermosetting dry combustion method phenomenon is brought.

The utility model provides a kind of temperature controller with manual reset (2) limit temperature, and when leaving water temperature is giving when deciding in the scope, the contact of temperature controller (2) is connected main circuit, the energising heating, give when deciding scope when leaving water temperature surpasses, the contact automatic disconnection of temperature controller makes the main circuit outage, and heating stops; Give when deciding scope when temperature drops to, make the temperature controller junction closure, therefore can prevent the too high unsafe factor that brings of leaving water temperature by the hand-reset button.

The utility model provides a kind of structure that has good water route sealing property between heating tube and the turnover hydroecium that makes: the key of this structure is, upper and lower side at heating tube adopts heat resistant rubber sealing gasket (13), at heating tube and intake chamber (21), adopt turnbuckle (1) firmly to connect between the water-supplying chamber (4), thereby make heating tube and intake chamber and water-supplying chamber form the water route structure that watertightness is good, to guarantee being not more than reliably working under the situation of 0.4MPa at hydraulic pressure.

The utility model provides a kind of circuit structure with light current control forceful electric power: this circuit is by controllable silicon (11), microswitch (20), bilateral diode D, capacitor C, resistance R ₁, R ₂Temperature controller (2), heating tube (8), (9) are formed, and its key is that microswitch (20) is received in the circuits for triggering of controllable silicon (11), utilize the energising and the outage of the switching → control silicon controlled conducting of hydraulic pressure control microswitch (20) and shutoff → control heating tube (8), (9).

It is a kind of to the magnetized function of water that the utility model provides, and its key is a cutting magnetic line and the principle that is magnetized is installed the magnet ring (22) with high-intensity magnetic field in the bottom of outlet pipe (23) when utilizing water to flow.Because adopt this structure, the warm water that makes outflow promptly is the magnetized drinking water that is beneficial to man.

Structure of the present utility model is by water inlet pipe (17), filter (16), intake chamber (21), water power switch (14), (15), (20), heating tube (8), (9), water-supplying chamber (4), outlet pipe (23), magnet ring (22), delivery hose (19), reflector (5), SCR control circuit (11), (12), (20), (2), (24), (25), resistance R ₁, R ₂, R ₃, R ₄, bilateral diode D, capacitor C, electrical equipment cover (6) gripper shoe (27), base plate (26), shell chief components such as (28).

Fig. 1 is a front view of the present utility model

Wherein: 1, turnbuckle; 2, temperature controller; 3, SR; 4, water-supplying chamber; 5, reflector; 6, the electrical equipment cover; 7, appliance plate; 8, quartz glass tube; 9, Electric radiant Heating Film; 10, electrode; 11, controllable silicon; 12, copper spare; 13, sealing gasket; 14, rubber membrane; 15, gland; 16, filter; 17, water inlet pipe; 19, delivery hose; 20, microswitch; 21, intake chamber; 22, magnet ring; 23, outlet pipe.

Fig. 2 is a side partial sectional view of the present utility model;

Wherein: 18, power line; 24, power supply indicator; 25, burner on light; 26, base plate; 27, gripper shoe; 28, shell.

Fig. 3 is electric control theory figure of the present utility model

Describe working condition of the present utility model in detail below in conjunction with Fig. 1, Fig. 2, Fig. 3:

With base plate (26) that water heater is fixing on the wall, water inlet pipe (17) is connected with tap, the tap of fetching boiling water then, water flows into by water inlet pipe (17), flows out by intake chamber (21) → heating tube (8) (9) → water-supplying chamber (4) → outlet pipe (23) → delivery hose (19).Connect power supply with power line (18), power supply indicator (24) is bright, when hydraulic pressure reach give the time → rubber membrane (14) of deciding hydraulic pressure recessed → make that microswitch (20) closure → connection thyristor gating circuit → main circuit conducting → burner on light (25) is bright, Electric radiant Heating Film (9) heating power, and this heat conducted to water in the pipe by quartz glass tube, flow out warm water by delivery hose (19).Water temperature surpasses when giving fixed temperature when heating, temperature controller (2) contact disconnects, cut off the power supply of Electric radiant Heating Film (9), stop heating, burner on light (25) goes out, and when temperature drops to certain limit, presses temperature controller (2) SR (3), burner on light (25) is bright, and heating tube begins heating again.

This quick electric water heater; have functions such as water power is isolated fully, water flowing is switched on automatically, the automatic outage of cutting off the water supply, protected by temperature limitation, magnetization, light indication; dependable performance; the thermal efficiency reaches more than 90%; volume is little, and is in light weight, can be installed in the tap position easily; solved family, restaurant, hospital, barber shop, industry etc. and used the warm water problem, also can doublely do shower and use.

Claims

1. quick electric water heater that utilizes electric energy with the running water Fast Heating that flows, this water heater be by water inlet pipe (17), filter (16), intake chamber (21), water power switch (14), (15), (20), heating tube (8), (9), water-supplying chamber (4), outlet pipe (23), magnet ring (22), delivery hose (19), reflector (5), SCR control circuit (2), (11), (12), (20), (24), (25), resistance R ₁, R ₂, R ₃, R ₄Capacitor C, bilateral diode D, electrical equipment cover (6), gripper shoe (27), base plate (26), shell (28), power line major parts such as (18) is formed, and it is characterized in that heating tube is a transparent electric heating film, be coated with layer of transparent Electric radiant Heating Film (9) at quartz glass tube (8) outer surface, this heating tube is sealed in the fixing hole of intake chamber (21) and water-supplying chamber (4) by sealing gasket (13) and turnbuckle (1).

2. electric heater according to claim 1 is characterized in that the heating tube matrix is a quartz glass tube, also can be high aluminum pipe etc.

3. electric heater according to claim 1 is characterized in that heating tube outer surface of matrix spraying layer of transparent Electric radiant Heating Film (9), makes two annular electrodes (10) up and down on film.

4. electric heater according to claim 1 is characterized in that heating tube has two heating tubes, also can be one group of heating tube more than two.

5. electric heater according to claim 1, it is characterized in that water power switch intake chamber (21) lower end installation water power switch: comprise rubber membrane (14), microswitch (20) compresses with gland (15).

6. electric heater according to claim 1 is characterized in that SCR control circuit controllable silicon (11), copper spare (12), microswitch (20), signal lamp (24), (25), resistance R ₁, R ₂, R ₃, R ₄, capacitor C, bilateral diode D is installed in the electrical equipment cover (6), and temperature controller (2) is installed in the right flank of water-supplying chamber (4).

7. according to the described electric heater of claim 1, it is characterized in that intake chamber, water-supplying chamber makes by nylon plastic(s).

8. according to the described electric heater of claim 1, it is characterized in that its reflector makes with aluminium sheet.