Description of drawings:
Fig. 1, Fig. 3, Fig. 4 are the electric heating elements that adopts nonmetal outer tubes such as carbon fiber pipe, halide torch
Fig. 2 A is that wiring at one end is fit to carbon fiber or the halogen electrothermal tube that the blind hole pipe is installed, and B is the electrothermal tube that has heating wire with magnesia powder heating wire to be isolated in the metal tube.
Fig. 5, Fig. 6, Fig. 7 are the sectional views of Fig. 1, Fig. 3, Fig. 4
Fig. 8, Fig. 9, Figure 10 are the electric heating elements that adopts the electromagnetic induction coil heating
Figure 11 electric heating element is installed among the storage water heater
Figure 12, Figure 13 are that electric heating element is installed in the central heater
Figure 14 is that central heater and home-use hot water mechanism that electric heating element is housed connect schematic diagram
Figure 15 is the square central heater that electric heating element is housed
Figure 16 is that the electric heating element of electrothermal tube heating is applied to the application example in Instant heating type and the water storage immediately heating water heater
Figure 17 is that electric heating element is directly installed on the application example on the radiator
Figure 18 is the view on Figure 17 right side
Figure 19 is the central air-conditioning electrical auxiliary heater
Figure 20, Figure 21 existing are immersed in electric heater in the water with electrothermal tube
Figure 22, Figure 23 are that electrothermal tube is immersed in the water and the electric heater of hydrous water pump work
The specific embodiment:
Describe below in conjunction with accompanying drawing, comprise heating water tank 1 in the accompanying drawing, water storage large water tank 2, the water inlet 3 that cold water or temperature are lower, hot water outlet 4, electric heating element 5 (electromagnetic induction heating coil 5-1, non-metal electric heating such as carbon fiber and halogen pipe 5-2 metal outer pipe is plated resistance material or the direct various heater 5-3 that make with heating wire with magnesia powder with the electrothermal tube of heating wire isolation with the glass tube skin) bobbin 6, control and display 7, water pump 8 (pump intake 8-1, pump outlet 8-2), water 9, air 10, communicating pipe 11 (flexible pipe 11-1, running water pipe 11-2, hot-water line 11-3, return pipe 11-4), valve 12, expansion tank 13, shell and base plate 14, sealing ring 15, lid 16, clamping nut 17, check valve 18, insulated thermal insulating layer 19, porcelain tube 20, metal tube 21, heating water tank compresses limit 22, friction top 23, flow sensor 24, temperature controller 25, outer circulation water pump 26, heating floor 27, radiator 28, washbowl 29, water purifier 30, filling opening 31.
Fig. 1, Fig. 3, Fig. 4 are the electric heating elements that adopts nonmetal outer tube, and every electrothermal tube 5-2 is surrounded by double layer of metal pipe 21 with different size and shape, and the inner space of inner layer metal pipe is installed electrothermal tube 5-2 and guaranteed electrothermal tube and water is isolated fully; The inner layer metal pipe that outer layer metal tube 21 should be equipped with one or more electrothermal tube surrounds, and firmly welding forms heating water tank 1, and heating water tank has water inlet 3 and delivery port 4; The metal tube TV structure difference of electrothermal tube is installed, and we opens with air and joins to make an end, and the other end is that blind hole (as Fig. 1, Fig. 3) is applicable to and is installed within the water storage large water tank; The end that we opens has water tank to compress limit 22, can compress by compacted lid 23, between sealing ring 15 is arranged, prevent to leak, be fit to use wiring electrothermal tube (Fig. 2) at one end; Also but simultaneously we opens at two ends, as Fig. 4, is fit to be installed in the external of water storage large water tank; Fig. 5 is that the sectional view of Fig. 1: Fig. 6, Fig. 7 are the available sectional views of Fig. 3, Fig. 4; When making Fig. 3, Fig. 4 structure, effective communicating pipe 11 of outer layer metal couples together; The quantity of electrothermal tube is decided on the hot water supply, can accelerate or improve power, or adopts in groups and install, and many groups are in parallel to be used; The heating principle is to produce heat radiation after electrothermal tube 5-2 connects power work, and the metal tube 21 that surrounds electrothermal tube is heated, and because of the periphery of this metal tube is the water 9 that flows, metal tube makes the water heating by the heat conduction.When electroheat member adopts 5-3, to seal, can be immersed in the water with the external world.
Fig. 8, Fig. 9, Figure 10 are the electric heating elements that adopts the electromagnetic induction coil heating, electromagnetic induction heating coil 5-1, be wound on the bobbin 6, and be installed in (Fig. 9 on the heating water tank 1, be fit to be installed in outside the water storage large water tank 2) also can be installed in (Fig. 8, Figure 10 are fit to be installed within the water storage large water tank 2) between inside and outside two heating water tank, no matter which kind of installation form, electromagnetic induction heating coil must be installed in the air, isolates fully with water; Operation principle is after electromagnetic induction coil passes through current work, can the irony heating water tank be magnetized, and induces electromagnetic eddy, and electric energy is converted into heat energy, makes the water heating; All there is the irony water tank on Fig. 8, Figure 10 coil two sides, and the two sides can both induce electromagnetic eddy, can both make the water heating; The existing electromagnetic induction coil heating of electrothermal tube has been installed in heating water tank 1 middle part among Figure 10, and the electrothermal tube heating is arranged again is a kind of compound mode of heating; More than the main body of design electric heating element is a heating water tank, and electrothermal tube and electromagnetic induction coil are mounted in one of them general electric elements, and the two is separately produced and combines then.
Figure 11 is that electric heating element is installed among the storage water heater, is illustrated as horizontal type structure, can be made into vertical structure, becomes electric heating wall hanging stove, and this structure can be accomplished instant hot-water supply, can also endless hot-water supply;
Figure 12, Figure 13, Figure 14, Figure 15 are multi-form central heater schematic diagrames, the water heater of so-called central authorities is to satisfy multiple watering equipment while water and round-the-clock water in the family simultaneously, and big flow and be not subjected to the influence of climate change, the water storage large water tank can be accomplished several kilolitres from several decaliters; The group that can be capacious, office, school, enterprise, hotel collective hot-water supply, and huge tanks is to store hot water, electric heating element then is with water heating and keeps set water temperature, when delivery port 4 is closed, and water pump 8, during electric heating element 5 work, circulation with heated water, is delivered to the water tank bottom in realizing, heating repeatedly, when water flowed out, electrothermal tube work can improve water temperature again once more.Figure 12 electric heating element is mounted in the outside, Figure 13 Figure 15 is mounted in the top, Figure 14 is mounted in the side, all electric heating element and heating water tank can be constituted individual components among Figure 11, Figure 13, Figure 14, Figure 15, Figure 19, Figure 22, Figure 23, be installed in water storage large water tank 2 outer any suitable positions, and be communicated with, realize storing hot water and make water circulation heating by water pump; If volume done then to be become wall-hangingly for a short time, its function is identical and can both remove from large water tank.
Figure 14 is that central heater and home-use hot water facility connect schematic diagram, is particularly suitable for the northern area of China, with heating is mainly to satisfy domestic hot-water's needs simultaneously, is a kind of heat-supplying mode of power saving; The capacity of setting water storage large water tank 2 is 3.8KW for 100L power, the 1st time the water in the water tank needed 60 minutes when 20 ℃ are heated to 70 ℃ approximately, because it is less that the domestic heating system pipes is led capacity, the 100L hot water several times that will circulate could reduce temperature, remain the higher water of temperature when being back to water tank simultaneously, therefore only need in the water storage large water tank to be interrupted, the short time supplementary heating gets final product; In Figure 14 return pipe is led, to have installed water purifier 30 additional in order increasing water quality, whole system have been filtered, also can only filter domestic water; Water purifier can be used as a part of central heater, contains and in overall structure.
Figure 15 is the water storage large water tank that is combined into by a plurality of water storage tanks, can be made into prolate shape, is installed on the exterior wall of window, does not account for the inner space.
Figure 16 is that electric heating element is the application example of electrothermal tube, can be made into Instant heating type and the water storage immediately heating water heater, can accomplish to use 2.5mm
2Lead and guaranteeing sufficient hot water supply is arranged winter, metal tube 21 is two layers among the figure, in case of necessity 1 or several available one decks.
Figure 17 is that electric heating element is directly installed on the application example on the radiator, diagram is installed in the lower end and radiator is connected as a single entity, after being heated, liquid (water or anti-icing fluid) conducts in the pipe that passes fin, make the fin heat radiation, there is an expansion tank 13 upper end, be a hollow pipe in fact, in the inflow pipe, cool off the back volume contraction after the heated liquid volumetric expansion; Dotted portion among the figure, available pipe link up and cause the right side temperature higher, and the left side is lower, form flow regime; This structure can be made into fixed or portable.
Figure 19 is the central air-conditioning electrical auxiliary heater, is a kind of high-power water heater, and some groups of electric heating elements 5 have been installed in the water storage large water tank, used power from tens kilowatts to hundreds of kilowatt, be illustrated as horizontal type structure and also can be made into vertical structure.
Figure 20, Figure 21 are immersed in electrothermal tube in the water; Figure 20 is Haier, AO Smith company, up and down two groups of water heaters that electrothermal tube 5-3 alternately heats; Figure 21 is beautiful vertical mutually setting of two groups of electrothermal tube 5-3 of company, the alternately water heater of heating; They still need preheating, can not the long-time continuous hot-water supplies, and also volume will be between 60L-100L.
Figure 22, Figure 23 improve said structure, add holding water pump 8 at the hot water outlet position, when needs during to the preheating of water storage large water tank, electrothermal tube 5-3 and water pump 8 are worked simultaneously, circulation in realizing, this structure water tank capacity only need accomplish that 20L just can also continuously long-time fast constant temperature hot-water supply.
In the above structure legend, all adopt electrothermal tube, also can use electromagnetic induction coil and change controller simultaneously and cooling gate pipe; The arrow direction is a water (flow) direction among the figure.
Air energy heat pump water heater is made of main frame and water tank, can not use winter in the north, must adopt the auxiliary heating of electricity; Figure 11 to Figure 15 is exactly the water tank that has the Teat pump boiler of electric heating function.