CN1094152A

CN1094152A - Electric heater

Info

Publication number: CN1094152A
Application number: CN 93100584
Authority: CN
Inventors: 郭振华
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-10
Filing date: 1993-01-10
Publication date: 1994-10-26

Abstract

Water heater of the present invention can overcome baroque shortcoming, and via having aperture can prevent the simple stream siphunculus of aqueous reflux on the use pipe, and the conduit and the current rotation that make current down reach past next door eddy flow are guided leaf and sand grains gatherer into, the manual control sand grains drain that excavates; Can remove the impurity improvement water quality in the hot water, guarantee the safety and efficiency of water heater operation and increase the service life.

Description

Electric heater

Water heater of the present invention is to have the removing sand grains, and the electric heater of impurity device is particularly useful for home dwelling and uses or do commercial use.

Be published in the water heater of No. the 2079908th, BP font size on May 16th, 1984, can be heated to boiling to water from room temperature, also can produce steam if desired simultaneously.This equipment comprises a tank, this tank has an oral siphon, one hand-operated valve is housed on oral siphon can manually controls and add water or do not add water and water adverse current backwater source in the anti-water stopping trough of a check valve is housed, also have a pressure-reducing valve can avoid the hydraulic pressure of oral siphon and tank to surpass and set value; In tank, also adorn and liquid level detecting meter water heater and water temperature surveymeter; At bottom of gullet the hot water outlet pipe is housed, steam (vapor) outlet then is contained in the tank top; Aspect control, liquid level detecting meter send signal to give leveling device and controls the tank liquid level, and temperature formula device is then accepted the signal from thermo detector, controls the pressure in the tank, the automatic valve device of water temperature and water intake end.Because above-described various devices, this water heater has province's energy, the fast and practical advantage of heating.Yet therefore this water heater can cause the bad of water supply quality because can't remove sand grains or any other impurity in the water.What is more, after long-term the use, the tank internal layer can condense and cover the thin calculus of one deck, and the service life of tank and the thermal efficiency will be given a discount.In addition, this water heater is whole textural quite complicated, if hot-water supply only need or not to use the water heater of this type in a certain temperature range, using the water heater than simple type will be wise selection.

Therefore the object of the invention is providing one simple in structure, the adjustable electric heater of a certain temperature range water temperature, and electric heater proposed by the invention in addition can also be removed the impurity in the hot water automatically, increases the service life and keeps the thermal efficiency.

Water heater of the present invention comprises a tank, and the bottom of this tank is equipped with the gatherer of a sand grains and impurity in addition, in the gatherer bottom hand control valve is housed then and can drains sand grains and impurity; The arrival end of the oral siphon of tank and the water source below the bottom of gullet join, its the protruding top of water service pipe that is shaped as anti-U-shaped is fixed near the sink top place, above the protruding top and two apertures are arranged in case aqueous reflux backwater source, the port of export of oral siphon then shape if slippery scalariform, can make current become slight vortex, throwing to gatherer under impurity and the sand grains.

The central authorities of sink top are a dome, and hot water feeding pipe's a end is at close dome place.Another end that supplies water then is connected with the heat supply water place of bottom.

In the centre of tank one electric heater is arranged, detect water temperature in the tank in that a temperature-sensitive sticker is installed from the suitable distance of this electric heater.

Outside tank, hot water temperature's indicating gage is arranged, its function of thermocouple reaches an insurance than silk for regulating water temperature at a design temperature automatically, and this fuse can cut off circuit when setting value on water temperature surpasses.Hot water temperature's indicating gage, thermocouple all is in the same place with hot water temperature's sensing apparatus line with fuse automatically.

Behind current the process oral siphon and conduit of anti-U-shaped, can cause spinning momentum to make sand grains and impurity in the water down be thrown into the sand grains gatherer, the hand-operated valve of opening on the gatherer will wash out sand grains and impurity.Bottom of gullet has a circular arch face that makes progress, and has serpentine current rotation to guide leaf on the circular arch face, and guiding current clockwise direction rotates, and sand grains at the bottom of the tank and impurity are pushed the sand grains gatherer fully.

Aperture on water service pipe can prevent flow backwards, and its function is when no longer adding entry or hot-water supply, and anti-sealing is from the tank watering that flows backwards back, avoids making heating wire expose liquid level and causing burning of heating wire because of aqueous reflux backwater source.

Permeability type U type pipe is for preventing to flow backwards and preventing that the hot and cold water mixed juice from establishing; The purpose heating wire in the protection courage that prevents to flow backwards is difficult for burning.Every square centimeter of (KG/cm) hydraulic pressure height no matter, differing heights in U type trunnion, the position produces different pressures.U type pipe lower curtate (place of entry) pressure exists, and terminal water outlet still is downwards 20mm ψ; Therefore U pipe central top pressure Lock-out.For these reasons, air-vent must be provided with U pipe top.Air-vent is 0.6mm ψ * 2, and U pipe water outlet end is 20mm ψ, and when current are managed the top through U, air-vent natural birth looks is worked as resistance, so in the ordinary course of things, U manages the top and will can not ooze out cold water and mix with hot water.

Moreover when the full hot water of storage in the courage, because natural phenomena, heat rises the cold cause of falling, and when the cold water U pipe top air-vent of flowing through also produces no form drag, based on above-mentioned two reasons, U pipe top air-vent seepage is mixed with hot water and minimized when operation.

In addition, the tank trunk bottom tangent plane of water heater is round, is unfavorable for the current rotation of bottom of gullet; And the tank trunk top tangent plane of water heater is oval, can increase the capacity of tank water storage, more can reduce the width area of water heater, makes water heater more both artistic and practical.

Water heater of the present invention is used following simple structure device, its top of U-shaped trunnion has aperture to flow backwards to prevent water, leaf is guided in aqueduct and current rotation into can make current rotation drive sand grains and impurity to the gatherer of bottom drain via manual eliminating valve again, therefore water heater can keep high efficiency, and handling safety is with prolonging service life.

This water heater also possesses the design of monitor function indicator lamp, and following three kinds of indicator lamps are arranged: 44 power supply indicators, 42 superhigh temperature fuse indicator lamps, 46 automatic constant-temperature tutorial lights.During 44,42,46 lamp light yellows, expression operation is normal, and 46 lamps then can refer to uniform temperature and cease and subtract along with thermostat arrives.When 44 power supply indicator light yellows, when 42,46 lamps do not have light yellow then the superhigh temperature fuse burnt and carried the outage source; In the case, generally all be that self-acting thermos breaks down.Therefore, must change superhigh temperature fuse and self-acting thermos, water heater just can be replied normal use.

This design can provide safe handling can supervise water heater circuit's Parts Breakdown reason again, and makes things convenient for timely maintenance.

The present invention still borrows appended legend to be explained, wherein:

That shown in Figure 1 is an electric heater of the present invention.

That shown in Figure 2 is the cutaway view of electric heater;

That shown in Figure 3 is a view on Fig. 2 electric heater.

Referring to figs. 1 to Fig. 3, the tank trunk is caused by heat insulation plastic cement or other suitable material.The central end face of tank 10 is domes 12, and the tank bottom surface periphery has circle flange 14 down, is fixed with one group of sand grains and impurity collector 16 with screw thread or welding method under flange, and this gatherer also has a hand-operated valve 18 can remove sand grains.There is the circular arch face 50 of a flange connector 14 in bottom of gullet central authorities, have current rotation to guide leaf 52 on the circular arch face 50.

One hot water outlet pipe 28 is arranged in tank 10, the crooked end face central authorities in its upper end near tank 10, its inlet then is fixed on the center dome 12 of tank 10.The domes of dome 12 can make the smooth inflow hot water outlet pipe 28 of flow of hot water, and when cut off cold water source when supplying water only the small amount of water in dome portion can flow out from hot-water line.Hot water outlet pipe's lower outlet position is the bottom at tank 10.The material of

oral siphon

20 and 28 two pipes of hot water outlet pipe is advisable with metal.Cold water flows into tank 10 by oral siphon 20, and hot water is flowed out by hot water outlet pipe 28, indicates water (flow) direction with arrow in Fig. 1.

At the middle part of tank 10 electric heater 30 is arranged, use a heating wire at this and add water in the hot water storgae.

In tank 10 anterior locations, water temperature surveymeter 32 is arranged from the place of a certain suitable distance of heating wire in order to measure the water temperature in the tank 10.

Hot water temperature's indicating gage 34 is arranged to show the water temperature in the tank 10 and to have thermocouple 36 and temperature detecting meter 32 lines to reach predetermined value that the highest adjustment temperature is 85 ℃ with automatic adjusting water temperature in the outside of tank 10.If water temperature when too high, exceeds 115 ℃, other has one will melt with the fuse 38 of water temperature detecting meter 32 lines and cut off the circuit of heating wire.Indicator lamp 42 acts on and sends the malfunction that the OBD signal can be indicated electric heater 30 and thermocouple 36.

In addition, also comprise the two poles of the earth Dan Zha switch of a supply power supply on circuit, the ground connection of a power supply indicator 46, one automatic thermocouples and this equipment metal part refers to floor-lamp 44.Above indicator lamp 42,44,46 is distinguished its purposes with the neon lamp of different colours, is fixed in the observation of the shell of water heater with convenient user.

When current enter water pipe 20 through anti-U-shaped position 22, flow into tank 10 by conduit 24, the momentum of rotation causes the water turn in the tank 10, make sand grains and impurity down be precipitated to base flange 14, be pushed at last and enter sand grains gatherer 16, after after a while, must open all sand grains and the impurity that desanding valve 18 will accumulate in the sand grains gatherer and rinse out with water.

Flow into gatherer 16 in order to ensure all sand grains that are deposited in bottom of gullet and impurity, there is a circular arch face 50 that makes progress in bottom of gullet central authorities, and are connected with base flange 14.There is current rotation to guide leaf 52 on the circular arch face 50, guides leaf 52 into, be horizontally placed on the circular arch face 50 for serpentine, blade tilts to stretch upwards a little, the rotation of guiding current clockwise direction makes sand grains and impurity flow to flange 14 fully, is collected by sand grains and impurity collector 16 again.

Tangent plane is an ellipse on the tank trunk though only address at this, and tangent plane is round under the tank trunk, and the tangent plane of tank trunk integral body can be round or other type shapes that are fit to.

Claims

1, a kind of hot water apparatus, this device comprises a tank, and this tank has oral siphon, and the hot water outlet pipe in order to add the electric heater of the water in the hot water storgae, measures the temperature measurement device of tank water temperature.This temperature measurement device and hot water temperature's indicating gage, automatically all line is together for thermocouple and a fuse that can cut off circuit when crossing high temperature.This hot water apparatus is characterised in that: oral siphon is anti-U type pipe, and the U type leans nearly sink top, and an end of anti-U type pipe down extends to form one section conduit outward, has an aperture at least at anti-U type Guan Dingwen; One circle flange is down arranged at the bottom of tank, and one group of sand grains and impurity collector are housed in the flange bottom surface, and an impurity drain is equipped with in the gatherer bottom, and there is a circular arch face that makes progress in bottom of gullet central authorities, and has current rotation to guide leaf on the circular arch face.

2, water heater according to claim 1, wherein pipe go up aperture diameter at 0.6mm between the 1.5mm.

3, water heater according to claim 1, wherein the bending of the pipe end trace of aqueduct makes the position of outlet above the bottom of gullet flange.

4, water heater according to claim 1, wherein gatherer is fixed on tank with screw thread.

5, water heater according to claim 1, wherein gatherer is fixed on tank with welding method.

6, water heater according to claim 1, wherein the cross section on tank top is oval, and the cross section of tank bottom is circular.

7, water heater according to claim 1, wherein sand grains and impurity drain are manual manipulation mode.

8, water heater according to claim 1, wherein to guide leaf into be serpentine for current rotations, is horizontally placed on the circular arch face, guiding the leaf blade into does to tilt to stretch upwards slightly, the rotation of guiding current clockwise direction makes sand grains and impurity flow to flange fully, is collected by sand grains and impurity collector again.