Quick-heating type electric water heater
Technical field
The present invention relates to a kind of quick-heating type electric water heater.
Background technology
Existing quick-heating type electric water heater, the heater within being about the canister of 1L and being located at container by a capacity or outside container forms; A kind of " in the time that water flows through utensil heating water stay vertical utensil " by GB/T26185-20103.1; Its overall volume is very little, generally highly about 450mm, wide 280mm, the about 90mm of thickness; Be outlet open-type structure, regulating water temperature is mainly to change discharge, or changes the power of heater, can not multichannel supply water, by-pass valve control can be contained in inlet pipeline or outlet pipeline, can only control water inlet or only have control water outlet, can not control water inlet with a valve simultaneously, also control water outlet; Its water inlet is directly connected with water source.
The shortcoming of quick-heating type electric water heater is: use power large, and more than being generally 8KW, power line is necessary>=6mm
2, air switch is wanted >40A; Before China 2000, the house lead in power line in house is less than 4mm
2, can not meet the use of quick-heating type electric water heater; Also have serious shortcoming be winter water temperature low, even if power is 8KW, heats the water flowing through and make its output water temperature that reaches 42 DEG C, its flow only has 1.8L/min, can not meet people's shower requirement.
Summary of the invention
The present invention is directed to existing quick-heating type electric water heater and improve, after improvement, when quick-heating type electric water heater mainly flows through utensil by water receptacle 8, water, stay vertical utensil 7, electrothermal tube 6 and the water of heating water is chewed 9 and is formed.
The water receptacle 8 of described quick-heating type electric water heater is to adopt monolayer plastic material to make, make a closed container by GB/T26185-20103.2, and be predefined under source pressure and work, when water receptacle 8 is responsible for flowing through utensil to water, the vertical utensil 7 of staying of heating water is supplied water source, the water inlet pipe of water receptacle is connected with water source, and when water outlet must be flow through utensil by water, the vertical utensil 7 of staying of heating water outwards discharges water; There is the tubaeform opening 12 to extending out and have flange water receptacle one end, on it, be equipped with the sealed water of making by GB/T26185-20103.2 while flowing through utensil heating water stay vertical utensil 7.
When described water flows through utensil, heating water is the containers with metal or plastic part in vertical utensil 7, can bear rated pressure, in its housing, electrothermal tube is installed, on housing, have water inlet and delivery port, water inlet is not directly connected with water source, water inlet must be through water receptacle 8, and the hot water outlet that delivery port is chewed with water is connected, and fetches boiling water and chews, water flows through electrothermal tube switches on water is heated, close Shui Zui, electrothermal tube is cut off the electricity supply, and quits work.
The water receptacle of described quick-heating type electric water heater is to adopt double-layer plastic material to make, and make a sealed container by GB/T26185-20103.2, and be predefined under source pressure and work, when water receptacle is responsible for flowing through utensil to water, heating water stays vertical utensil supply water source;
The water receptacle 8 that double-layer plastic is made is divided into product one, 8-1 and product two, two nonsymmetrical component of 8-2: water receptacle 8 is sandwich construction, be divided into outer 8-1/1, middle level 8-1/2, internal layer 8-1/3, between skin and middle level, there are some reinforcements, product one, 8-1 and product two, 8-2, one end is opened wide, other end sealing, opening wide on the end face of one end, there are some attachment screw installing holes, between the two and both ends of the surface binding site, seal 16 is respectively housed, and is Double sealed structure; At product one, 8-1 is upper, can make 2 layers (outer 8-1/1, middle level 8-1/2), at product two, makes one deck 8-1/3 on 8-2, synthesizes after sealed container, forms by three layers; Depending on water heater overall structure difference, product one, 8-1 also can make one deck, product two, the upper one deck of making of 8-2, or do not work it out; At product one, 8-1 and product two, 8-2 is upper, has electroheat member and thermometric to limit the installation site of warm parts.
Described Double-layer water container, when outer 8-1/1 appearance is without reinforcement, or by reinforcement, is all made in inside, when appearance is very smooth, is exactly the shell of water heater; Also can shell be set in the outside of this water receptacle again, and foam between shell and water receptacle.
Multiple relief valves 20 are housed on water receptacle, are predefined under source pressure and work, exceeding GB/T26185-20107.5 or 7.60.3Mpa is relieving pressure, to the external draining of water receptacle 8; And water while flowing through utensil heating water stay vertical utensil, it is bearing structure, can bear 0.6Mpa pressure, in the time exceeding 0.6Mpa pressure, to water receptacle 8 relieving pressures, when water flows through utensil, the water inlet of staying vertical utensil of heating water, is not directly connected with water source, must be through water receptacle 8, delivery port is chewed 9 with water and is connected.
When water flows through utensil heating water stay vertical utensil, within can being contained in water receptacle 8 or outside water receptacle 8.
The different Kick type temperature switch of limit Wen Wendu is housed more than one on the connection line of every group of electrothermal tube, when with two, limit Wen Wendu difference, limits Wen Wendu lower, can adopt Self-resetting kick temperature switch.
Advantage after improvement:
1, when water flows through utensil, the vertical utensil power used of staying of healed water is reduced to power line 2.5mm
2load in, user is not subject to the restriction of house lead in power line;
2, winter, hot water effluent's amount was greater than 4L/min;
3, save the energy, not 24 hours laser heatings.
brief description of the drawings
The exemplary block diagram of staying vertical utensil of heating water when Fig. 1 water flows through utensil;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 to Figure 10 is the quick-heating type electric water heater structural representation that monolayer plastic material is made water receptacle 8;
Figure 11 to Figure 14 adopts double-layer plastic material to make the structural representation of the quick-heating type electric water heater of water receptacle 8;
Figure 12 is the B-B sectional view of Figure 11;
Figure 15, Figure 16 are the structure chart of relief valve.
Detailed description of the invention
Describe below in conjunction with accompanying drawing, in accompanying drawing: shell 1, water inlet pipe 2, outlet pipe 3, connecting plate 4, controller 5, electrothermal tube 6 (metal electric heat pipe 6-1, non-metal carbon fibre pipe or halogen electrothermal tube 6-2), when water flows through utensil heating water stay vertical utensil 7, the water receptacle 8 that individual layer or double-layer plastic are made, water chews 9, thermometric or temperature limit switch mounting pipe 10, the sheet metal 11 of monolayer plastic water receptacle outer wrapping, the flange port 12 of water receptacle, flange 13, friction top 14, clamping element 15, seal 16, screw-nut external member 17, water 18, plastic wall 19, relief valve or pressure-reducing valve 20.
Fig. 1 is the typical structure of staying vertical utensil 7 of water heating water while flowing through utensil, inside there are electrothermal tube 6 and thermometric or temperature limit switch mounting pipe 10, water inlet pipe 2 is not directly connected with water source, outlet pipe 3 is chewed 9 with water and is connected, figure is shown with flange, as required, also can not do flange, can make of plastics or metal material;
Fig. 3 to Figure 10 be monolayer plastic material make water receptacle 8, when wherein Fig. 3 to Fig. 7 water flows through utensil heating water stay vertical utensil 7, within being mounted in water receptacle 8;
Fig. 8, Fig. 9, Tu10Zhong, be water while flowing through utensil the vertical utensil 7 of staying of heating water be arranged on outside water receptacle 8;
When water flows through utensil, heating water can be directly on product 8-2 in vertical utensil 7.
Water receptacle 8, can horizontal or vertical type setting, can be single barrel, also or be twin-tub; On electrothermal tube 6, have various ways and structure, no matter shown in figure whether, can select voluntarily.
Figure 15, Figure 16 are pressure-relief valve structure figure, and Figure 15 is single valve, and Figure 16 is bivalve, are made up of housing 20-1, sealing gasket 20-2, core bar 20-3, spring 20-4, baffle ring 20-5, and when the pressure of water is greater than the pressure of spring, water is just discharged automatically.
Described electrothermal tube 6, both can adopt metal electric heat pipe, also can adopt non-metal carbon fibre pipe, halide torch or other heating tube.
The sheet metal 11 of described monolayer plastic container outer wrapping, depending on bearing pressure, availablely also can; Arrow is water (flow) direction.