CN105650853A - External-arrangement fast heating type central electric water heater with pressure reduction function - Google Patents
External-arrangement fast heating type central electric water heater with pressure reduction function Download PDFInfo
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- CN105650853A CN105650853A CN201410763562.1A CN201410763562A CN105650853A CN 105650853 A CN105650853 A CN 105650853A CN 201410763562 A CN201410763562 A CN 201410763562A CN 105650853 A CN105650853 A CN 105650853A
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Abstract
Disclosed is an external-arrangement fast heating type central electric water heater with a pressure reduction function. A water tank (8) is made of non-metal materials through blow molding or injection molding or rotational molding or is made of a metal material; a water flow sensor or a water flow switch (4) with a pressure reduction function is mounted on a water inlet pipeline of the water tank; and meanwhile a device (16) capable of heating water when the water flows through the device is mounted in a water outlet pipeline of the water tank (8), and therefore fast heating can be achieved. In addition, metal electric heating pipes or non-metal halogen pipes or carbon fiber pipes are adopted in a heating element, and waterproof heating can be achieved.
Description
Technical field
The present invention relates to the external quick-heating type central electric water heater of decompression.
Background technology
Existing central electric water heater is to concentrate the equipment to whole family or unit supplying hot water, at the inlet pipeline of water tank, is directly connected with water source, and feed the water into water tank, is called inlet pipeline, this pipeline is not provided with miscellaneous part; Water tank is with metal for base material, liner enamel cistern, also has stainless steel water tank, and rated pressure is 0.6mpa, and test press-in is 1.2mpa, and this water tank there will be crackle, leaks and explodes, and the life-span is short.
Summary of the invention
Existing central electric water heater is improved by the present invention, for there being the external quick-heating type central electric water heater of decompression after improvement, it is made up of shell 1, water inlet pipe 2, outlet pipe 3, water flow sensing unit with decompression or water flow switch 4, electrothermal tube 6, water tank 8, valve 9, flange 11, relief valve 14, external fast heating device 16; The described external quick-heating type central electric water heater having decompression, water tank 8 has various ways, and installs the water flow sensing unit with decompression or water flow switch 4 on the inlet pipeline 2 of water tank, when pipe-line system pressure is little, will not stop the smooth and easy entrance water tank of water; When system pressure is significantly high or water filled by water tank, producing back pressure, stop the entrance of water, make the pressure in water tank along with water inlet or water outlet (put hot water use) pressure difference, the pressure in water tank changes all the time between 0.05Mpa to 0.15Mpa; Simultaneously equipped with closed or semi-open-type current out-of-date i.e. water-heating device, low bearing type central Water tank for electrical water heater during this present invention is customized in water tank 8, primary structure has:
One, water tank adopts metal material to make, and including enamel cistern or stainless steel water tank, and installs the water flow sensing unit with decompression on water tank water intake pipeline or with the water flow switch of decompression or water flow sensing unit 4; Simultaneously equipped with the out-of-date i.e. water-heating device 16 of current in the outlet pipeline of water tank 8.
Two, water tank adopts nonmetallic materials blowing to make, namely multilayer blow moulding technique is adopted to manufacture inner bag, it is made up of one layer or above different materials when described multilayer blow moulding refers to wall of inner container blowing, is be simultaneously fed into the raw material that several performance is different, disposal molding with multiple hoppers; And water flow sensing unit with decompression is installed on water tank water intake pipeline or with the water flow switch of decompression or water flow sensing unit 4;Simultaneously equipped with the out-of-date i.e. water-heating device 16 of current in the outlet pipeline of water tank 8.
Three, water tank adopts nonmetallic materials injection moulding to make, and is separated with shell by tank body, and water tank is injection molded into single layer structure; Water tank is made up of the first product 8-1 and two nonsymmetrical component of the second product 8-2; First product and the second product open at one end, the other end is closed, and on the end face of unlimited one end, has some attachment screw installing holes, between, and both ends of the surface binding site, sealing member 8-3 is installed, for double sealing structure.
Four, water tank adopts rotational moulding manufacture, inject in horizontal tool by powdery or plastic paste raw material, by horizontal tool heating and longitudinal and horizontal rolling are rotated, make material borrow self gravitation effect and centrifugal action, uniformly it is covered with inner chamber and melts, de-after cooling horizontal obtaining hollow product;
Five, water tank adopts the method manufacture of extrusion molding and Plastic Welding or splicing, namely first extrudes cylinder, then adds Di Hegai at two ends, and carry out glueing joint or welding.
Above-mentioned three to five, in water tank in inlet pipeline, the water flow sensing unit with decompression or water flow switch 4 are installed; Simultaneously equipped with the out-of-date i.e. water-heating device 16 of current in the outlet pipeline of water tank 8.
The described water flow sensing unit 4 with decompression, is made up of bis-functional parts of A, B, for multifunctional module:
Part A, when having water to flow, water jet propulsion impeller or rotor or Hall element 4-8 rotate, and by the sensing to discharge, the signal such as output pulse signal or electric current, voltage, makes auxiliary reclay adhesive, circuit turn-on, one or more groups electrothermal tube energising work; When closing water, water retention fluid stopping is moved, and circuit disconnects, and electrothermal tube stops heating;
Part B, piston 4-12 small end has a cross through hole, and also there is a through hole centre, during water inlet, water passes through transverse holes, enters in water tank from piston 4-12 interstitial hole, during water inlet, do not stop the entrance of water, when the built-in full water of water tank or inflow are more than water yield, when in water tank, pressure increases, the big end of piston 4-12 produces back pressure, make piston displacement, turn down and be even switched off water inlet 4-14; When discharging water, water inlet repeats to open; It is thus possible to the pressure in self-regulating water tank, this function guarantees that the pressure in water tank is within 0.15mpa.
The described water flow switch with decompression, is made up of bis-functional parts of A, B:
Part A, in main body 4-1, the passage of water inlet and water outlet is not directly communicate, but separated by cover plate 4-2, when there being water to flow, water can be forced promote cover plate 4-2, simultaneously promotion sealing member 4-3 and impeller 4-4 and make movable contact 9 contact with stationary contact 8 or make microswitch 7 connect, circuit turn-on: when current are closed, water inlet is closed, and circuit also disconnects;
Part B, piston 4-12 small end has a cross through hole, and centre is also porose, during water inlet, water passes through transverse holes, enters in water tank from piston 4-12 interstitial hole, during water inlet, do not stop the entrance of water, when the built-in full water of water tank or inflow are more than water yield, when pressure increases in water tank, piston 4-12, big end produces back pressure, makes piston 4-12 be subjected to displacement, turns down and be even switched off water inlet 4-14; When discharging water, water inlet repeats to open; It is thus possible to the pressure in self-regulating water tank, this function guarantees that the pressure in water tank is within 0.15mpa.
Described water flow switch and water flow sensing unit, the two part B is identical, and the pressure in water tank can be made automatically to be adjusted;Part A structure is different, and the mode starting electrothermal tube work is different, but function is identical, it is possible to arbitrarily select; Water flow sensing unit, A and B can discrete be two stand-alone assemblies, and part A should be contained in inlet pipeline, and part B is arranged on inlet and outlet pipe.
The mode of heating of described electrothermal tube 6 has 1. metal electric heat pipe; 2. optical wave heating electrothermal tube: be nonmetallic halogen or carbon fiber electric heating tube are contained in the air 18 in metal or non-metallic casing 17, and metal or non-metallic casing are firmly connected with water tank 8, it is ensured that electrothermal tube is completely separated with water; According to electrothermal tube 6-1, heating wire and nonmetal tube wall spacing > 2mm; Electrothermal tube 6 and sleeve pipe 17 spacing > 0.5mm, reach the requirement of reinforced insulation, it is achieved water heater connects without ground wire, becomes two electric appliances.
The out-of-date i.e. water-heating device 16 of described current, is in a small container, arranges electrothermal tube, and to have water inlet and outlet be intake from water tank upper, opening water nozzle 9, electrothermal tube 6 is energized work, and water flows through electrothermal tube and is namely heated, release hot water by outlet, close water nozzle, stop heating.
Beneficial effects of the present invention and novelty be:
1. central electric water heater water tank is built with the water flow sensing unit with decompression or water flow switch 4, makes the pressure in metal water tank be reduced at 0.07-0.15Mpa by 0.6Mpa, within, water tank thickness can be reduced, save material, will not leak by crackle meanwhile; Without blast;
2. particularly, the Stress control of nonmetal water tank is within 0.03 to 0.1Mpa, thus water tank 8 can make of nonmetallic materials blowing or injection moulding or rotational molding technique, thoroughly change the manufacturing process of Water tank for electrical water heater, be a great innovation of electric heater over 140 years.
3. this central electric water heater also has external fast heating device, can realize fast heat, be front unexistent.
4. this central electric water heater, can be contained in the air in metal or non-metallic casing by halogen or the carbon fiber electric heating tube that light wave generates heat, it is achieved water proof heats, and is perfectly safe.
Accompanying drawing explanation
Fig. 1 to Fig. 3 is the structure chart of the water flow sensing unit with decompression;
Fig. 4 to Fig. 8 is the structure chart of the water flow switch with decompression;
Fig. 9 to Figure 12 is equipped with the water flow sensing unit with decompression or the external quick-heating type central electric water heater schematic diagram of water flow switch;
Detailed description of the invention
Embodiment below in conjunction with accompanying drawing 1 to Figure 12 illustrates, in accompanying drawing: shell 1, cold water inlet 2, hot water outlet pipe 3, water flow sensing unit with decompression or water flow switch 4, controller 5, electrothermal tube 6 (optical wave heating electrothermal tube 6-1, metal electric heat pipe 6-2), outlet pipe fixed pivot 7, water tank 8, water nozzle 9, thermometric or temperature limit switch install pipe 10, flange 11, relief valve 14, sewage draining exit 15, current out-of-date water-heating device 16 (closed 16-1; Semi-open-type 16-2), metal or non-metallic casing 17, air 18, water 19, return pipe 20.
Fig. 1 to Fig. 3 is the water flow sensing unit structure chart with decompression, and Fig. 4 to Fig. 8 is the water flow switch having decompression, and common feature is to make automatic pressure regulation in water tank, and realizes fast heat, and structure is similar, and function is close, and simply connected mode is different;
Fig. 9 to Figure 12 is equipped with the central electric water heater structural representation of the water flow sensing unit with decompression or water flow switch 4; Water tank water intake is by water flow sensing unit with decompression or water flow switch 4, at the outlet pipeline of water tank 8 equipped with fast heating device 16, and no matter pipe-line system pressure size, can quickly make water tank fill water, and make it be limited in set point.
Meanwhile, being provided with nonstorage calorifier 16 in water tank, described quick heating refers to summer and spring and autumn, for central heater, it is not necessary to energising in 24 hours, and discharge water i.e. hot-water supply; Bring up to about 45 DEG C winter; External quick heating is the out-of-date i.e. water-heating devices 16 of current, is in a small container, arranges electrothermal tube, and have water inlet and outlet, opening water nozzle 9, electrothermal tube 6 is energized work, and water flows through electrothermal tube and is namely heated, release hot water by outlet, close water nozzle, stop heating.
In accompanying drawing, water tank adopts after nonmetal blowing or injection moulding or rotational moulding or extrusion molding welding production again, pressure limit fixes on about 0.1Mpa, owing to nonmetal water tank has dilatancy hot, flatulence of heat type pressure can be absorbed, and piston is produced back pressure, and the Shi Zehui that discharges water allows the pressure of pipe-line system pass through, its water yield is identical with existing water heater; Water tank is base material liner enamel according to metal or uses rustless steel manufacture, and pressure limit fixes in 0.2Mpa, and this just thoroughly overcomes water tank makes water tank enamel split because expanding with heat and contract with cold, the problem of bead crack.
In accompanying drawing, be single water tank or many water tanks all general.
In accompanying drawing, the water inlet pipe of water tank and outlet pipe are all the flexible nonmetallic tubings adopting length > 500mm, and are collectively forming mechanical water resistance with nonmetal water tank, it is ensured that safety.
Described optical wave heating electrothermal tube 6, adopts nonmetallic halogen electrothermal tube or carbon fiber electric heating tube.
If by A and the B with the water flow sensing unit of decompression or water flow switch 4, being divided into two assemblies or only with A or B, also within the protection of this patent; Wherein water flow sensing unit part A also can be contained in outlet pipeline, and arrow is water (flow) direction.
Claims (10)
1. there is the external quick-heating type central electric water heater of decompression, it is characterised in that: 1. water tank (8) adopts metal material to make, including enamel cistern or stainless steel water tank; 2. on water tank water intake pipeline, it is provided with water flow sensing unit or the water flow switch (4) of decompression.
2. there is the external quick-heating type central electric water heater of decompression, it is characterized in that: 1. water tank (8) adopts nonmetallic materials blowing to make, namely multilayer blow moulding technique is adopted to manufacture, it is made up of one layer or above different materials when described multilayer blow moulding refers to wall of inner container blowing, on water tank (8) inlet pipeline, is 2. provided with water flow sensing unit or the water flow switch (4) of decompression.
3. there is the external quick-heating type central electric water heater of decompression, it is characterized in that: 1. water tank (8) adopts nonmetallic materials injection moulding to make, and tank body and shell is connected as a single entity, for double-decker, or tank body is separated with shell, water tank is injection molded into single layer structure; Water tank (8) is made up of the first product (8-1) and two nonsymmetrical component of the second product (8-2); First product and the second product open at one end, the other end is closed, and on the end face of unlimited one end, has some attachment screw installing holes, between and both ends of the surface binding site, respectively installs sealing member (8-3), for double sealing structure; 2. the water flow sensing unit (4) of decompression is installed on the inlet pipeline of water tank (8).
4. there is the external quick-heating type central electric water heater of decompression, its feature: 1. water tank (8) adopts rotational molding technique or extrusion molding to add welding or adhesive technology manufacture; 2. on water tank water intake pipeline, it is provided with water flow sensing unit or the water flow switch (4) of decompression.
5. according to claim 1,2,3 or 4, described in have the external quick-heating type central electric water heater of decompression, it is characterised in that: inlet pipeline fills, and has the water flow sensing unit (4) of decompression, is made up of bis-functional parts of A, B:
Part A, when having water to flow, water jet propulsion impeller or rotor or Hall element 8 rotate, and by the sensing to discharge, the signal such as output pulse signal or electric current, voltage, makes auxiliary reclay adhesive, circuit turn-on, one or more groups electrothermal tube energising work;When closing water, water retention fluid stopping is moved, and circuit disconnects, and electrothermal tube stops heating;
Part B, piston (4-12) small end has a cross through hole, and also there is a through hole centre, during water inlet, water passes through transverse holes, enters in water tank from piston (4-12) interstitial hole, during water inlet, do not stop the entrance of water, when the built-in full water of water tank or inflow are more than water yield, when in water tank, pressure increases, the big end of piston (4-12) produces back pressure, make piston displacement, turn down and be even switched off water inlet (4-14); When discharging water, water inlet repeats to open; It is thus possible to the pressure in self-regulating water tank.
6. according to claim 1,2,3 or 4, described in have the external quick-heating type central electric water heater of decompression, it is characterised in that: what inlet pipeline filled has the water flow switch (4) of decompression, is made up of bis-functional parts of A, B;
Part A, in main body (4-1), the passage of water inlet and water outlet is not directly communicate, but separated by cover plate (4-2), when there being water to flow, water can be forced to promote cover plate (4-2), promote sealing member (4-3) and impeller (4-4) and make movable contact (4-9) contact with stationary contact (4-8) or make microswitch (4-7) connect simultaneously, circuit turn-on: when current are closed, water inlet is closed, and circuit also disconnects.
Part B, piston (4-12) small end has a cross through hole, and centre is also porose, during water inlet, water passes through transverse holes, enters in water tank from piston (4-12) interstitial hole, during water inlet, do not stop the entrance of water, when the built-in full water of water tank or inflow are more than water yield, when pressure increases in water tank, piston (4-12), big end produces back pressure, makes piston (4-12) be subjected to displacement, turns down and be even switched off water inlet (4-14); When discharging water, water inlet repeats to open; It is thus possible to the pressure in self-regulating water tank.
7. according to claim 1,2,3 or 4, described in have the external quick-heating type central electric water heater of decompression, it is characterised in that: with the water flow sensing unit of decompression, bis-functional parts of A, B, being divided into stand-alone assembly, part A to be contained in inlet pipeline, part B inlet and outlet pipe all can be installed.
8. according to claim 1,2,3 or 4, the described external quick-heating type central electric water heater having decompression, it is characterized in that: the water inlet pipe of water tank (8) and outlet pipe are all the flexible nonmetallic tubings adopting length > 500mm, form physics water resistance.
9. according to claim 1,2,3 or 4, the described external quick-heating type central electric water heater having decompression, it is characterized in that: equipped with the out-of-date i.e. water-heating device (16) of current in the outlet pipeline of water tank (8), it is in a small container, electrothermal tube (6) is set, and have water inlet and outlet, it is intake from water tank upper, open water nozzle (9), electrothermal tube (6) energising work, water flows through electrothermal tube (6) and is namely heated by outlet releasing hot water, close water nozzle (9), stop heating.
10. according to claim 1,2,3 or 4, the described external quick-heating type central electric water heater having decompression, it is characterized in that: the mode of heating adopted in water tank (8), it is that halide torch or the carbon fiber electric heating tube of optical wave heating are contained in the air (18) in metal or non-metallic casing (17), and metal or non-metallic casing (17) are firmly connected with water tank (8), it is ensured that the halogen of heating or carbon fiber electric heating tube (6) are completely separated with water; The heating wire of electrothermal tube (6) and nonmetal tube wall spacing > 2mm simultaneously; Electrothermal tube (6) and sleeve pipe (17) spacing > 0.5mm, reach the requirement of reinforced insulation, it is achieved water heater connects without ground wire, becomes two electric appliances.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763562.1A CN105650853A (en) | 2014-12-03 | 2014-12-03 | External-arrangement fast heating type central electric water heater with pressure reduction function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410763562.1A CN105650853A (en) | 2014-12-03 | 2014-12-03 | External-arrangement fast heating type central electric water heater with pressure reduction function |
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| CN103574888A (en) * | 2012-08-09 | 2014-02-12 | 广东顺德光晟电器有限公司 | Nonbearing water heater |
| DE102012214722A1 (en) * | 2012-08-20 | 2014-02-20 | BSH Bosch und Siemens Hausgeräte GmbH | Water heater e.g. instantaneous water heater, for domestic application, has water tank with channel that passes through tank from upper side till to lower side, and regulating device for controlling temperature of water present in tank |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080604U (en) * | 1990-09-29 | 1991-07-10 | 李立夫 | Static pressure reducing valve |
| CN2396252Y (en) * | 1999-02-11 | 2000-09-13 | 周光明 | Automatic valve for pressure container |
| CN2847172Y (en) * | 2005-10-21 | 2006-12-13 | 董建祥 | Solar water heater inner bladder |
| CN201110634Y (en) * | 2007-08-21 | 2008-09-03 | 夏暮辉 | Pre-instantaneously heated double-mode electric water heater |
| CN201145394Y (en) * | 2008-02-26 | 2008-11-05 | 美的集团有限公司 | Electric water heater |
| CN201382582Y (en) * | 2008-09-11 | 2010-01-13 | 上海正克电器有限公司 | Magnetic induction water flow switch |
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| DE102012214722A1 (en) * | 2012-08-20 | 2014-02-20 | BSH Bosch und Siemens Hausgeräte GmbH | Water heater e.g. instantaneous water heater, for domestic application, has water tank with channel that passes through tank from upper side till to lower side, and regulating device for controlling temperature of water present in tank |
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Application publication date: 20160608 |