CN106369812A - Pre-heating and instant heating dual-mode water heater - Google Patents
Pre-heating and instant heating dual-mode water heater Download PDFInfo
- Publication number
- CN106369812A CN106369812A CN201610845571.4A CN201610845571A CN106369812A CN 106369812 A CN106369812 A CN 106369812A CN 201610845571 A CN201610845571 A CN 201610845571A CN 106369812 A CN106369812 A CN 106369812A
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- Prior art keywords
- water
- pipe
- water inlet
- gallbladder
- inner bag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/08—Induction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a pre-instant dual-mode water heater, which belongs to the field of water heaters and comprises a water storage type water heating device, an instant heating type water heating device, a pipe valve assembly and a pressure regulating cylinder for storing pressure and reducing the integral pressure bearing of the whole pre-instant dual-mode water heater, wherein the water storage type water heating device is connected with the instant heating type water heating device through the pipe valve assembly, the water storage type water heating device comprises an inner container, the inner container is communicated with the pipe valve assembly, and the pressure regulating cylinder is directly communicated or is communicated with the inner container through a water inlet and outlet pipe or is directly communicated or is communicated with the pipe valve assembly through the water inlet and outlet pipe. According to the pre-instant dual-mode water heater provided by the invention, the water storage liner is in a low-pressure state for a long time, the hot water backflow problem cannot occur, and the problems that the dual-mode water heater is easy to scale and the service life is short and the like can be effectively solved.
Description
Technical field
The present invention relates to field of water heaters, more particularly, to a kind of beforehand instant double-mode water heater.
Background technology
Beforehand instant double-mode water heater belongs to one kind of quick electric water heater, has i.e. heat, two kinds of heating modes of preheating.
Beforehand instant double-mode water heater had both overcome the defects such as big, slow, the energy consumption height of heating of storage-type electric water heater volume, overcame again
The needs powerful installation bottleneck of instant electric water heater, has good market popularization value.But beforehand instant double-mode is warm
The fatal problem of hydrophone is exactly that it makes the calandria place housing of the inner bag of storage-type hot water apparatus and Instant heating type hot water apparatus
Connection, Instant heating type hot water apparatus is sometimes for the pressure bearing from inner bag hot water and temperature, and its heater is immersed in for a long time
In warm water, its heater easily produces incrustation scale, and the easy drainage of pipe valve assembly and its junction, and service life is shorter.
For example: Chinese patent literature publication number cn101608825 discloses a kind of beforehand instant double-mode electric water heater, instant heating inner bag
Outlet be respectively communicated with the first electromagnetic valve and the second electromagnetic valve, the water inlet phase of the other end of the second electromagnetic valve and water storage liner
Logical, the other end of the outlet of water storage liner and the first electromagnetic valve is all communicated with outlet pipe, the first electromagnetic valve and the second electromagnetic valve
Interlocking, the second electromagnetic valve is normally open solenoid valve, and the first electromagnetic valve and the interlocking of the second electromagnetic valve.Although this interlocking structure is to solution
Certainly water outlet of water heater water temperature is unstable certain facilitation, but also makes the water storage liner of beforehand instant double-mode electric water heater and be
Hot inner bag is conducted, and when in water storage liner, pressure is higher, hot water can be back to instant heating inner bag, so that inside instant heating inner bag
Calandria long period of soaking in warm water, be also easy to produce above-mentioned incrustation scale and reveal the problems such as.
Content of the invention
In order to overcome the defect of prior art, the technical problem to be solved is to propose a kind of beforehand instant double-mode heat
Hydrophone, its water storage liner is chronically at low-pressure state, is not in hot water return problem, can effectively solve the problem that double-mode electric water heater
The problems such as easily fouling and service life are long.
For reaching this purpose, the present invention employs the following technical solutions:
A kind of beforehand instant double-mode water heater that the present invention provides, including storage-type hot water apparatus, Instant heating type hot water apparatus, pipe valve assembly
And the voltage regulation cylinder for saving pressure and reduce entirely described beforehand instant double-mode water heater entirety pressure-bearing, described storage-type hot water dress
Put and be connected with described Instant heating type hot water apparatus by described pipe valve assembly, described storage-type hot water apparatus includes inner bag, described interior
Gallbladder is connected with described pipe valve assembly, and described voltage regulation cylinder directly connects described inner bag or described voltage regulation cylinder by water inlet pipe and water outlet pipe even
Lead to described inner bag or described voltage regulation cylinder directly connects described pipe valve assembly or described voltage regulation cylinder passes through described water inlet pipe and water outlet pipe even
Lead to described pipe valve assembly.Voltage regulation cylinder has the function of savings absorption pressure, and it is overall that it can effectively reduce beforehand instant double-mode water heater
Pressure-bearing is so that the hydraulic pressure within beforehand instant double-mode water heater is constantly in low-pressure state.
In order to enhanced voltage regulation cylinder absorbs and save the ability of pressure, in the present invention further technical scheme, described
Voltage regulation cylinder includes the first cylinder body, piston, pull bar and drive mechanism, described piston be located at described first cylinder body in, and with described
First cylinder body is slidably matched, and described drive mechanism is located at the first end of described first cylinder body, and by described pull bar and described work
Plug is fixedly connected, and there is intake-outlet at the second end of described first cylinder body, described intake-outlet direct or through water inlet pipe and water outlet pipe with
Described inner bag is connected with/described pipe valve assembly.Due to the relative motion of piston and the first cylinder body, it is capable of voltage regulation cylinder to heat
Water inhales into and out, effectively alleviates the inner bag of beforehand instant double-mode water heater and Instant heating type hot water apparatus internal hot-water hydraulic pressure is located for a long time
In the problem of high pressure conditions, so that beforehand instant double-mode water heater maintains low-pressure state, extend its service life.
In order to enhanced voltage regulation cylinder absorbs and save the ability of pressure, in the present invention further technical scheme, described
Voltage regulation cylinder includes the second cylinder body, water reservoir, push rod and drive mechanism, and described water reservoir is located in described second cylinder body, described
Push rod, described drive mechanism are located at the side of described water reservoir, and described drive mechanism is used for driving described push rod translation, described storage
The opposite side of water pocket has intake-outlet, and described intake-outlet directs or through water inlet pipe and water outlet pipe and described inner bag and/described pipe valve
Assembly is connected.Due to push rod oppress water reservoir carry out stretching motion, be capable of voltage regulation cylinder to hot water inhale into and out, have
The inner bag of alleviation beforehand instant double-mode water heater of effect and Instant heating type hot water apparatus internal hot-water hydraulic pressure are chronically at asking of high pressure conditions
Topic, so that beforehand instant double-mode water heater maintains low-pressure state, extends its service life.
In order to by the Stress control within beforehand instant double-mode water heater in reasonable low pressure range, in the further skill of the present invention
In art scheme, adjusted by the aeration quantity of the type selecting of described voltage regulation cylinder, described amount of piston displacement or described water reservoir decrement,
By the hydraulic pressure control in described inner bag and/described pipe valve assembly in 0.1mpa -0.45mpa.
So that voltage regulation cylinder had both had so that beforehand instant double-mode water heater is in low-pressure state ability, avoid voltage regulation cylinder long again
Time is in hot environment, affects its life-span.In the present invention further technical scheme, described pipe valve assembly includes gallbladder water inlet
Pipe, gallbladder outlet pipe, chamber water inlet pipe, chamber outlet pipe, connecting tube and use water pipe, described Instant heating type hot water apparatus includes heating chamber,
Described chamber water inlet pipe, described chamber outlet pipe are respectively positioned on one end of described heating chamber, and are connected with described heating chamber, and described gallbladder goes out
Water pipe, described gallbladder water inlet pipe are each attached to one end of described inner bag, are all connected with described inner bag, and the one of described gallbladder outlet pipe
The inside of inner bag described in partial insertion, the first valve water inlet of described water mixing valve passes through described gallbladder outlet pipe and is connected, its second valve
Water inlet is connected with described chamber outlet pipe by described connecting tube, and the valve outlet of described water mixing valve is connected with water pipe, described
Gallbladder water inlet pipe is connected with described connecting tube, and the intake-outlet of described voltage regulation cylinder is directly connected or connected by described water inlet pipe and water outlet pipe
Described connecting tube.
So that voltage regulation cylinder had both had so that beforehand instant double-mode water heater is in low-pressure state ability, avoid voltage regulation cylinder long again
Time is in hot environment, affects its life-span.In the present invention further technical scheme, described pipe valve assembly includes gallbladder water inlet
Pipe, gallbladder outlet pipe, chamber water inlet pipe, chamber outlet pipe, the first connecting tube, the second connecting tube and use water pipe, described Instant heating type hot water
Device includes heating chamber, and described chamber water inlet pipe, described chamber outlet pipe are respectively positioned on one end of described heating chamber, and with described heating chamber
It is connected, described gallbladder outlet pipe, described gallbladder water inlet pipe are each attached to one end of described inner bag, are all connected with described inner bag, and
A part for described gallbladder outlet pipe inserts the inside of described inner bag, the first valve water inlet of described water mixing valve and described gallbladder outlet pipe
It is connected, its second valve water inlet is connected with described chamber outlet pipe by described first connecting tube, the valve outlet of described water mixing valve
It is connected with water pipe, described gallbladder water inlet pipe is connected with described chamber water inlet pipe by described second connecting tube, the entering of described voltage regulation cylinder
Outlet directly connects or connects described second connecting tube by described water inlet pipe and water outlet pipe.
So that voltage regulation cylinder had both had so that beforehand instant double-mode water heater is in low-pressure state ability, avoid voltage regulation cylinder long again
Time is in hot environment, affects its life-span.Described pipe valve assembly includes gallbladder water inlet pipe, gallbladder outlet pipe, chamber water inlet pipe, chamber water outlet
Pipe, connecting tube and use water pipe, described Instant heating type hot water apparatus includes heating chamber, and described chamber water inlet pipe, described chamber outlet pipe are equal
Positioned at one end of described heating chamber, and it is connected with described heating chamber, described gallbladder outlet pipe, described gallbladder water inlet pipe are each attached to institute
State one end of inner bag, be all connected with described inner bag, and a part for described gallbladder outlet pipe inserts the inside of described inner bag, described
First valve water inlet of water mixing valve is connected with described gallbladder outlet pipe, and its second valve water inlet is connected with described gallbladder water inlet pipe, described
The valve outlet of water mixing valve is connected with described chamber water inlet pipe by described connecting tube, and the intake-outlet of described voltage regulation cylinder directly connects
Or described gallbladder water inlet pipe is connected by described water inlet pipe and water outlet pipe.
In the present invention further technical scheme, also include the first temperature sensor, second temperature sensor, the 3rd temperature
Degree sensor, effusion meter and panel, described first temperature sensor is positioned at described with, on water pipe, described second temperature senses
Device is located on the water inlet pipe of described chamber, and described three-temperature sensor is located on the outlet pipe of described chamber, described first temperature sensor,
Described second temperature sensor and described three-temperature sensor are all electrically connected with described panel, and described effusion meter is located at
On the water inlet pipe of described chamber, described effusion meter is electrically connected with described panel.Described first temperature sensor mainly for detection of with
Conduit temperature, namely the temperature of domestic hot-water；Described second temperature sensor detects the inflow temperature of Instant heating type hot water apparatus；Institute
State three-temperature sensor for detecting the leaving water temperature of Instant heating type hot water apparatus；Effusion meter is used for detecting beforehand instant double-mode water heater
Inflow.
Because beforehand instant double-mode water heater is configured to low-pressure water heater, in the present invention further technical scheme, described interior
Gallbladder material is configured to enamel material, stainless steel and non-metallic material, and described non-metallic material includes plastic material, pottery
Material and glass material.Because inner bag is only subjected only to the pressure of minimizing, therefore the inner bag in the application can be configured to by nonmetallic
The relatively low material of structural strength of material composition, is greatly reduced the manufacturing cost of water heater liner.
In the present invention further technical scheme, described storage-type hot water apparatus includes electromagnetic heater, described electromagnetism
The fever tablet of heater is located at the inside of described inner bag, and the electromagnetic wire coil of described electromagnetic heater is fixed on the outer wall of described inner bag
On, described storage-type hot water apparatus is heated using Electromagnetic Heating mode.For most inner bags, the pressure bearing at it
Larger, the rupture of inner bag is easily caused according to Electromagnetic Heating mode, and the low pressure storage-type hot water providing in the present embodiment
Device then not there is a problem of similar, because the pressure-bearing of its inner bag is less.
In the present invention further technical scheme, described storage-type hot water apparatus also includes blow-off pipe, described blow-off pipe
It is fixed on the bottom of described inner bag, and be connected with described inner bag.Blow-off pipe be used for discharging described storage-type hot water apparatus impurity,
Sewage and incrustation scale.
In the present invention further technical scheme, described water mixing valve is configured to the thermostatic valve of adjusting water outlet water temperature, described
Thermostatic valve is mainly used in solving the unbalanced problem of beforehand instant double-mode water heater cold-hot water water temperature.
The invention has the benefit that
The beforehand instant double-mode water heater that the present invention provides, including storage-type hot water apparatus and Instant heating type hot water apparatus, storage-type hot water
It is provided with voltage regulation cylinder, voltage regulation cylinder is used for savings and absorption pressure, and can reduce whole institute between device and Instant heating type hot water apparatus
State beforehand instant double-mode water heater entirety pressure-bearing it is ensured that water storage liner is chronically at low-pressure state, thus not hot water return occurs extremely
Instant heating type hot water apparatus problem, can effectively solve the problem that the problems such as easy fouling of double-mode electric water heater and service life are long.By
In inner bag not pressure-bearing or the pressure being only subjected only to minimizing, therefore the inner bag in the application can adopt the non-metallic materials such as plastics, non-
Metal material can be greatly reduced the manufacturing cost of water heater liner.In the present embodiment provide low pressure storage-type hot water apparatus its
The pressure-bearing of inner bag is less, even if be also difficult to cause the rupture of inner bag using common material.Additionally, thermostatic valve is in inner bag and pipe valve group
When part pressure-bearing is higher, easily occur damaged, and the low pressure storage-type hot water apparatus providing in the present embodiment then do not exist similar
Problem.
Brief description
Fig. 1 is the structural representation of the beforehand instant double-mode water heater providing in the embodiment of the present invention one.
Fig. 2 is the structural representation of the beforehand instant double-mode water heater providing in the embodiment of the present invention two.
Fig. 3 is the structural representation of the beforehand instant double-mode water heater providing in the embodiment of the present invention three.
Fig. 4 is the structural representation of the beforehand instant double-mode water heater providing in the embodiment of the present invention four.
Fig. 5 is the structural representation of the beforehand instant double-mode water heater providing in the embodiment of the present invention five.
In figure:
1st, storage-type hot water apparatus；2nd, Instant heating type hot water apparatus；11st, inner bag；4th, voltage regulation cylinder；41st, the first cylinder body；42nd, piston；
43rd, pull bar；44th, drive mechanism；45th, intake-outlet；46th, the second cylinder body；47th, water reservoir；48th, push rod；37th, water mixing valve；31st, gallbladder
Water inlet pipe；32nd, gallbladder outlet pipe；33rd, chamber water inlet pipe；34th, chamber outlet pipe；35th, connecting tube；36th, use water pipe；21st, heating chamber；351、
First connecting tube；352nd, the second connecting tube；5th, the first temperature sensor；6th, second temperature sensor；7th, three-temperature sensor；
8th, effusion meter；91st, fever tablet；92nd, electromagnetic wire coil；100th, storage-type temperature controller；200th, Instant heating type temperature controller；300th, temperature is visited
Pin；400th, heating tube；500th, blow-off pipe；600th, heat-insulation layer；700th, housing.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment one
As shown in figure 1, in embodiment one provide a kind of beforehand instant double-mode water heater, including housing 700, storage-type hot water apparatus 1,
Instant heating type hot water apparatus 2, pipe valve assembly and voltage regulation cylinder 4, storage-type hot water apparatus 1 passes through pipe valve assembly and Instant heating type hot water dress
Put 2 to be connected, and storage-type hot water apparatus 1 is respectively positioned in housing 700 with Instant heating type hot water apparatus 2.Storage-type hot water apparatus 1 includes
Inner bag 11, inner bag 11 is connected with pipe valve assembly.Voltage regulation cylinder 4 is used for saving pressure and reduces whole beforehand instant double-mode water heater entirety
Pressure-bearing, voltage regulation cylinder 4 directly connects described inner bag or voltage regulation cylinder 4 and connects described inner bag 11 by water inlet pipe and water outlet pipe, or voltage regulation cylinder
4 directly connect described pipe valve assembly or voltage regulation cylinder connects described pipe valve assembly by described water inlet pipe and water outlet pipe.In prior art,
Voltage regulation cylinder 4 grade dropping equipment is not applied to beforehand instant double-mode water heater, Instant heating type hot water apparatus 2 usually needs to bear from inner bag
The pressure of 11 hot water and temperature, and its heater soaks in a tepid bath for a long time, is also easy to produce incrustation scale and drainage, service life is relatively
Short, market public praise is poor.And in the present embodiment provide beforehand instant double-mode water heater due to being provided with voltage regulation cylinder 4, voltage regulation cylinder 4 can
Realize suction and the exclusion of hot water, effectively reduce the overall pressure-bearing of beforehand instant double-mode water heater, improving beforehand instant double-mode water heater makes
Use the life-span.
So that voltage regulation cylinder 4 realizes pressure regulation and the effect of water storage.As the further technical scheme of the present embodiment, pressure regulation
Cylinder 4 includes the first cylinder body 41, piston 42, pull bar 43 and drive mechanism 44, and piston 42 is located in the first cylinder body 41, and with first
Cylinder body 41 is slidably matched, and drive mechanism 44 is located at the first end of the first cylinder body 41, and drive mechanism 44 can be configured to motor, subtracts
One or more of speed motor and spring combine, and drive mechanism 44 is fixedly connected with piston 42 by pull bar 43, the first cylinder
There is intake-outlet 45 at second end of body 41, and intake-outlet 45 is directly connected with inner bag or intake-outlet 45 passes through Inlet and outlet water
Pipe is connected with inner bag 1 or intake-outlet 45 is directly connected with pipe valve assembly or intake-outlet 45 passes through water inlet pipe and water outlet pipe
It is connected with pipe valve assembly.Due to the first cylinder body 41 and piston 42 relative motion, when inner bag 11 and the/pipe valve assembly of electric heater
Hypertonia when, drive mechanism 44 by pull bar 43 drive piston 42 on move so that hot water pass through intake-outlet 45 enter adjust
Cylinder pressure 4, thus play the effect of water-retention and blood pressure lowering；When the inner bag 11 of electric heater and the pressure of/pipe valve assembly become hour, drive
Mechanism 44 drives piston 42 to move down with by pull bar 43, and the water in tank body 41 is extruded to inner bag 11 and/pipe valve assembly.
So that beforehand instant double-mode water heater is in low-pressure state for a long time, as the further preferred technology of the present embodiment
Scheme, is adjusted by the type selecting of voltage regulation cylinder 4 and the displacement of piston 42, the hydraulic pressure control in inner bag 11 and/pipe valve assembly is existed
0.1mpa -0.45mpa." water supply engineering planning specification " (gb 50282-98) the 4.0.5 article regulation: water distribution pipe in city
The water supply pressure of net preferably meets the requirement of service head 28m at user's take-over point, namely 0.28mpa, by actual multiple survey
Amount will also realize that, scope 0.2mpa-0.3mpa of domestic running hydraulic pressure, hot water heating to domestic hot-water generally boost 1mpa with
On, therefore be very desirable by the hydraulic pressure control in inner bag 11 and/pipe valve assembly in 0.1mpa-0.45mpa by dropping equipment 2
, as long as such dropping equipment 2 needs the work when pressure is higher than 0.3mpa, just the hydraulic pressure control of electric heater can be existed
0.1mpa-0.45mpa, even if user is set as highest the temperature of water heater, also generally will not cross 0.45mpa on this
Limit value.
In order to effectively reduce the pressure of inner bag 11, heating chamber 21 and pipe valve component internal, enter one as the present embodiment
Step optimal technical scheme, pipe valve assembly includes water mixing valve 37, gallbladder water inlet pipe 31, gallbladder outlet pipe 32, chamber water inlet pipe 33, chamber outlet pipe
34th, connecting tube 35 and with water pipe 36, Instant heating type hot water apparatus 2 includes heating chamber 21, chamber water inlet pipe 33, the equal position of chamber outlet pipe 34
In one end of heating chamber 21, and it is connected with heating chamber 21, gallbladder outlet pipe 32, gallbladder water inlet pipe 31 are each attached to the one of inner bag 11
End, is all connected with inner bag 11, and the inside of the part insertion inner bag 11 of gallbladder outlet pipe 32, the first valve water inlet of water mixing valve 37
Mouth is connected by gallbladder outlet pipe 32, and its second valve water inlet is connected with chamber outlet pipe 34 by connecting tube 35, the valve of water mixing valve 37
Outlet is connected with water pipe 36, and gallbladder water inlet pipe 31 is connected with connecting tube 35, and the intake-outlet 44 of voltage regulation cylinder 4 directly connects connection
Pipe 35 or by water inlet pipe and water outlet pipe connect connecting tube 35.Also will Instant heating type hot water apparatus 2 chamber outlet pipe 34 pass through connecting tube
35 are connected with water mixing valve 37, and the gallbladder water inlet pipe 31 of storage-type hot water apparatus 1 is directly connected with connecting tube 35, the turnover of voltage regulation cylinder 4
The mouth of a river 44 directly with connecting tube 35, the hot water that the Instant heating type hot water apparatus 2 of this connected mode working method produces is by water mixing valve
37 hot water being produced with storage-type hot water apparatus 1 are mixed, thus reaching the long purpose providing and stablizing hot water,
Voltage regulation cylinder 4 is connected with connecting tube 35 and can be good at alleviating too high pressure in inner bag 11, heating chamber 21 and pipe valve assembly, and
By Stress control in rational scope.
For Real-time Collection temperature information, to control storage-type hot water apparatus 1 and Instant heating type hot water apparatus 2 temperature and to mix
Composition and division in a proportion example, as the further preferred technical scheme of the present embodiment, beforehand instant double-mode water heater also include the first temperature sensor 5,
Second temperature sensor 6, three-temperature sensor 7, effusion meter 8 and panel, the first temperature sensor 5 is located at water pipe 36
On, second temperature sensor 6 is located on chamber water inlet pipe 33, and three-temperature sensor 7 is located on chamber outlet pipe 34, and the first temperature passes
Sensor 5, second temperature sensor 6 and three-temperature sensor 7 are all electrically connected with panel, and effusion meter 8 is located at chamber water inlet pipe
On 33, effusion meter 8 is electrically connected with panel.
Additionally, storage-type hot water apparatus 1 also includes storage-type temperature controller 100, temperature probe 300, heating tube 400, blowdown
Pipe 500 and heat-insulation layer 600, Instant heating type hot water apparatus 2 also includes Instant heating type temperature controller 200.Storage-type temperature controller 100, temperature
Probe 300 and heating tube 400 are each attached in inner bag 11, and temperature probe 300 is located at the side of storage-type temperature controller 100, plus
Heat pipe 400 is located at the periphery of storage-type temperature controller 100, and Instant heating type temperature controller 200 is located in heating chamber 21.Storage-type temperature controller
100 are used for controlling the water temperature in inner bag 11 to be in stable or gradient constant-temperatureactivation state, and temperature probe 300 is used for detecting in inner bag 11
Water temperature, heating tube 400 is used for the water within heating inner liner 11, and heat-insulation layer 600 is used for reducing the thermal losses of inner bag 11.In addition, i.e.
Hot type temperature controller 200 is used for maintaining heating chamber 21 to be in steady statue or gradient constant-temperatureactivation state.
Embodiment two
As shown in Fig. 2 in embodiment two provide a kind of beforehand instant double-mode water heater, including housing 700, storage-type hot water apparatus 1,
Instant heating type hot water apparatus 2, pipe valve assembly and voltage regulation cylinder 4, storage-type hot water apparatus 1 passes through pipe valve assembly and Instant heating type hot water dress
Put 2 to be connected, and storage-type hot water apparatus 1 is respectively positioned in housing 700 with Instant heating type hot water apparatus 2.Storage-type hot water apparatus 1 includes
Inner bag 11, storage-type temperature controller 100, temperature probe 300, heating tube 400, blow-off pipe 500 and heat-insulation layer 600, inner bag 11 with
Pipe valve assembly is connected, and storage-type temperature controller 100, temperature probe 300 and heating tube 400 are each attached in inner bag 11, temperature
Probe 300 is located at the side of storage-type temperature controller 100, and heating tube 400 is located at the periphery of storage-type temperature controller 100.Instant heating type heat
Water installations 2 include Instant heating type temperature controller 200 and heating chamber 21, and Instant heating type temperature controller 200 is located in heating chamber 21.
Embodiment one is with the difference of embodiment two: pipe valve assembly includes water mixing valve 37, gallbladder water inlet pipe 31, gallbladder go out
Water pipe 32, chamber water inlet pipe 33, chamber outlet pipe 34, the first connecting tube 351, the second connecting tube 352 and with water pipe 36, chamber water inlet pipe
33rd, chamber outlet pipe 34 is respectively positioned on one end of heating chamber 21, and is connected with heating chamber 21, and gallbladder outlet pipe 32, gallbladder water inlet pipe 31 are equal
It is fixed on one end of inner bag 11, be all connected with inner bag 11, and the inside of the part insertion inner bag 11 of gallbladder outlet pipe 32, mixed water
First valve water inlet of valve 37 is connected with gallbladder outlet pipe 32, and its second valve water inlet passes through the first connecting tube 351 and chamber outlet pipe
34 are connected, and the valve outlet of water mixing valve 37 is connected with water pipe 36, and gallbladder water inlet pipe 31 passes through the second connecting tube 352 and chamber water inlet pipe
33 are connected, and the intake-outlet 44 of voltage regulation cylinder 4 directly connects or connects the second connecting tube 352 by water inlet pipe and water outlet pipe.This connection
Mode working method is again such that the hot water that Instant heating type hot water apparatus 2 produces is produced with storage-type hot water apparatus 1 by water mixing valve 37
Raw hot water is mixed, but the hot water that the gallbladder water inlet pipe 31 of storage-type hot water apparatus 1 flows out is filled by it with Instant heating type hot water
Put 2 chamber outlet pipe 34 to flow out and the hot water mixing through the first connecting tube 351, thus reach long provide stable
Hot water purpose.In addition, by the gallbladder water inlet pipe 31 of storage-type hot water apparatus 1 and the chamber water inlet pipe with Instant heating type hot water apparatus 2
33 are connected by the second connecting tube 352, and the intake-outlet 44 of voltage regulation cylinder 4 directly connects or passes through water inlet pipe and water outlet pipe and second
Connecting tube 352 is connected so that voltage regulation cylinder 4 carries out blood pressure lowering pressure to inner bag 1, heating chamber 21 and pipe valve assembly on water inlet direction
Power, using the principle of linker, the position that inner bag 1 is installed has little to no effect to the effect of its blood pressure lowering, but this connected mode
Make voltage regulation cylinder 4 be in gallbladder water inlet pipe 31, on this low temperature water route of chamber water inlet pipe 33, be conducive to extending the use longevity of voltage regulation cylinder 4
Life.
Embodiment three
As shown in figure 3, in embodiment three provide a kind of beforehand instant double-mode water heater, including housing 700, storage-type hot water apparatus 1,
Instant heating type hot water apparatus 2, pipe valve assembly and voltage regulation cylinder 4, storage-type hot water apparatus 1 passes through pipe valve assembly and Instant heating type hot water dress
Put 2 to be connected, and storage-type hot water apparatus 1 is respectively positioned in housing 700 with Instant heating type hot water apparatus 2.Storage-type hot water apparatus 1 includes
Inner bag 11, storage-type temperature controller 100, temperature probe 300, heating tube 400, blow-off pipe 500 and heat-insulation layer 600, inner bag 11 with
Pipe valve assembly is connected, and storage-type temperature controller 100, temperature probe 300 and heating tube 400 are each attached in inner bag 11, temperature
Probe 300 is located at the side of storage-type temperature controller 100, and heating tube 400 is located at the periphery of storage-type temperature controller 100.Instant heating type heat
Water installations 2 include Instant heating type temperature controller 200 and heating chamber 21, and Instant heating type temperature controller 200 is located in heating chamber 21.
Embodiment three is with the difference of embodiment one: pipe valve assembly includes water mixing valve 37, gallbladder water inlet pipe 31, gallbladder go out
Water pipe 32, chamber water inlet pipe 33, chamber outlet pipe 34, connecting tube 35 and with water pipe 36, Instant heating type hot water apparatus 2 includes heating chamber
21, chamber water inlet pipe 33, chamber outlet pipe 34 are respectively positioned on one end of heating chamber 21, and are connected with heating chamber 21, gallbladder outlet pipe 32, gallbladder
Water inlet pipe 31 is each attached to one end of inner bag 11, is all connected with inner bag 11, and the part insertion inner bag 11 of gallbladder outlet pipe 32
Inside；First valve water inlet of water mixing valve 37 is connected with gallbladder outlet pipe 32, and its second valve water inlet is connected with gallbladder water inlet pipe 31,
The valve outlet of water mixing valve 37 is connected with chamber water inlet pipe 33 by connecting tube 35, the intake-outlet 44 of voltage regulation cylinder 4 directly connect or
Person connects gallbladder water inlet pipe 31 by water inlet pipe and water outlet pipe.This structure is had necessarily with the beforehand instant double-mode water heater principle of above two kinds of structures
Difference, be not that the hot water that produces with Instant heating type hot water apparatus 2 of the hot water producing storage-type hot water apparatus 1 passes through water mixing valve 37
Mixing, and mixed with tap water by the hot water that water mixing valve 37 storage-type hot water apparatus 1 produces, form preheating water, then pass through
Instant heating type hot water apparatus 2 carries out post bake to preheating water, thus providing the user stable domestic hot-water.The of water mixing valve 37
Two valve water inlets are connected with gallbladder water inlet pipe 31, and the valve outlet of water mixing valve 37 is connected with chamber water inlet pipe 33 by connecting tube 35, adjust
The intake-outlet 44 of cylinder pressure 4 directly connects or connects gallbladder water inlet pipe 31 by water inlet pipe and water outlet pipe.Source due to pressure is mainly
Inner bag 11 produces, therefore voltage regulation cylinder 4 is arranged on the pressure that gallbladder water inlet pipe 31 can not only effectively reduce inner bag 11, and its own
It is on the not high inlet channel of temperature, beneficial to its service life of enhancing.Instant heating type hot water apparatus 2 only needs to warm water is carried out to add
Heat, thus its heating power can arrange must be less than traditional heating water heater, thus the use work(of the beforehand instant double-mode water heater reducing
Rate.
Example IV
As shown in figure 4, in example IV provide a kind of beforehand instant double-mode water heater, including housing 700, storage-type hot water apparatus 1,
Instant heating type hot water apparatus 2, pipe valve assembly and voltage regulation cylinder 4, storage-type hot water apparatus 1 passes through pipe valve assembly and Instant heating type hot water dress
Put 2 to be connected, and storage-type hot water apparatus 1 is respectively positioned in housing 700 with Instant heating type hot water apparatus 2.Storage-type hot water apparatus 1 includes
Inner bag 11, storage-type temperature controller 100, temperature probe 300, heating tube 400, blow-off pipe 500 and heat-insulation layer 600, inner bag 11 with
Pipe valve assembly is connected, and storage-type temperature controller 100, temperature probe 300 and heating tube 400 are each attached in inner bag 11, temperature
Probe 300 is located at the side of storage-type temperature controller 100, and heating tube 400 is located at the periphery of storage-type temperature controller 100.Instant heating type heat
Water installations 2 include Instant heating type temperature controller 200 and heating chamber 21, and Instant heating type temperature controller 200 is located in heating chamber 21.
Embodiment five is not in together with embodiment one: voltage regulation cylinder 4 include the second cylinder body 46, water reservoir 47, push rod 48 with
And drive mechanism 44, in the second cylinder body 46, push rod 48, drive mechanism 44 are located at the side of water reservoir 47 to water reservoir 47, drive
Motivation structure 44 is used for driving push rod 48 translation, and drive mechanism 44 can be configured in motor, reducing motor and spring
Plant or several combination.The opposite side of water reservoir 47 has intake-outlet 45, and intake-outlet 45 is directly connected with inner bag 1 or enters
Outlet 45 is connected with inner bag 1 by water inlet pipe and water outlet pipe or intake-outlet 45 is directly connected with pipe valve assembly or passes in and out
The mouth of a river 45 is connected with pipe valve assembly by water inlet pipe and water outlet pipe.Because drive mechanism 44 oppresses the carrying out of water reservoir 47 by push rod 48
Stretching motion, is capable of voltage regulation cylinder 4 and inhales into and out water reservoir 47 to hot water, when inner bag 11 and the/pipe valve group of electric heater
During the hypertonia of part, drive mechanism 44 driving push rod 48 is moved, water reservoir 47 is expanded so that hot water passes through under heat hydraulic pressure
Intake-outlet 45 enters water reservoir 47, thus playing the effect of water-retention and blood pressure lowering；Inner bag 11 and/pipe valve assembly when electric heater
Pressure become hour, drive mechanism 44 driving push rod 48 moves down, and compressing water reservoir 47 extrudes the water in water reservoir 47 to inner bag
11 and/pipe valve assembly in.
So that beforehand instant double-mode water heater is in low-pressure state for a long time, as the further preferred technology of the present embodiment
Scheme, is adjusted by the type selecting of voltage regulation cylinder 4 and the stroke of water reservoir 47, by the hydraulic pressure control in inner bag 11 and/pipe valve assembly
In 0.1mpa -0.45mpa.As long as so dropping equipment 2 needs the work when pressure is higher than 0.3mpa, just can be by electric heater
Hydraulic pressure control in 0.1mpa-0.45mpa, even if user is set as highest the temperature of water heater, also generally will not cross
This higher limit of 0.45mpa.
Embodiment five
As shown in figure 5, embodiment five is with the difference of embodiment one, embodiment two, embodiment three, example IV: interior
Gallbladder 11 material is configured to enamel material, stainless steel and non-metallic material, and non-metallic material includes plastic material, ceramic material
Matter and glass material.Due to adopting low-pressure designs, though inner bag 1 be configured to the non-metallic materials such as plastics also still have longer
Service life, this significantly saves the manufacturing cost of electric heater.
Storage-type hot water apparatus 1 includes electromagnetic heater, and the fever tablet 91 of electromagnetic heater is located at the inside of inner bag 11, electricity
The electromagnetic wire coil 92 of magnetic heater is fixed on the outer wall of described inner bag 11, and fever tablet 91 is oppositely arranged with electromagnetic wire coil 92.By
The non-metallic materials such as plastics can be adopted in inner bag 11, non-metallic material can be heated using the mode of heating passing through magnetic energy.
Therefore, low-voltage electric water heater can effectively lift the suitability of its Electromagnetic Heating, real electricity separation, and its water heater is more pacified
Entirely.
The present invention is described with reference to the preferred embodiments, and those skilled in the art know, without departing from the present invention's
In the case of spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.The present invention is not subject to this
The restriction of specific embodiment disclosed in place, other embodiments falling in claims hereof broadly fall into present invention protection
Scope.
Claims (10)
1. a kind of beforehand instant double-mode water heater, including storage-type hot water apparatus (1), Instant heating type hot water apparatus (2) and pipe valve assembly,
Described storage-type hot water apparatus (1) is connected with described Instant heating type hot water apparatus (2) by described pipe valve assembly, described storage-type heat
Water installations (1) include inner bag (11), described inner bag (11) be connected with described pipe valve assembly it is characterised in that:
Also include the voltage regulation cylinder (4) for saving pressure and reduce entirely described beforehand instant double-mode water heater entirety pressure-bearing；
Described voltage regulation cylinder (4) directly connects or connects described inner bag (11) by water inlet pipe and water outlet pipe；Or
Described voltage regulation cylinder (4) directly connects or connects described pipe valve assembly by described water inlet pipe and water outlet pipe.
2. beforehand instant double-mode water heater according to claim 1 it is characterised in that:
Described voltage regulation cylinder (4) includes the first cylinder body (41), piston (42), pull bar (43) and drive mechanism (44)；
Described piston (42) is located in described first cylinder body (41), and is slidably matched with described first cylinder body (41)；
Described drive mechanism (44) is located at the first end of described first cylinder body (41), and by described pull bar (43) and described piston
(42) it is fixedly connected；
There is intake-outlet (45) at second end of described first cylinder body (41), and described intake-outlet (45) directs or through Inlet and outlet water
Pipe is connected with described inner bag (1) and/described pipe valve assembly.
3. beforehand instant double-mode water heater according to claim 1 it is characterised in that:
Described voltage regulation cylinder (4) includes the second cylinder body (46), water reservoir (47), push rod (48) and drive mechanism (44)；
Described water reservoir (47) is located in described second cylinder body (46)；
Described push rod (48), described drive mechanism (44) are located at the side of described water reservoir (47), and described drive mechanism (44) is used
In driving described push rod (48) translation；
The opposite side of described water reservoir (47) has intake-outlet (45), and described intake-outlet (45) directs or through water inlet pipe and water outlet pipe
It is connected with described inner bag (1) and/described pipe valve assembly.
4. the beforehand instant double-mode water heater according to Claims 2 or 3 it is characterised in that:
By the type selecting of described voltage regulation cylinder (4), by the hydraulic pressure control in described inner bag (11) and/described pipe valve assembly in 0.1mpa
-0.45mpa.
5. the beforehand instant double-mode water heater according to any one of claim 1 it is characterised in that:
Described pipe valve assembly includes water mixing valve (37), gallbladder water inlet pipe (31), gallbladder outlet pipe (32), chamber water inlet pipe (33), chamber water outlet
Pipe (34), connecting tube (35) and with water pipe (36)；
Described Instant heating type hot water apparatus (2) includes heating chamber (21), described chamber water inlet pipe (33), described chamber outlet pipe (34) all positions
In one end of described heating chamber (21), and it is connected with described heating chamber (21)；
Described gallbladder outlet pipe (32), described gallbladder water inlet pipe (31) are each attached to one end of described inner bag (11), all with described inner bag
(11) it is connected, and a part for described gallbladder outlet pipe (32) inserts the inside of described inner bag (11)；
First valve water inlet of described water mixing valve (37) passes through described gallbladder outlet pipe (32) and is connected, and its second valve water inlet passes through institute
State connecting tube (35) to be connected with described chamber outlet pipe (34), the valve outlet of described water mixing valve (37) is connected with water pipe (36)；
Described gallbladder water inlet pipe (31) is connected with described connecting tube (35), and the intake-outlet (45) of described voltage regulation cylinder (4) directly connects
Or described connecting tube (35) is connected by described water inlet pipe and water outlet pipe.
6. the beforehand instant double-mode water heater according to any one of claim 1 it is characterised in that:
Described pipe valve assembly includes water mixing valve (37), gallbladder water inlet pipe (31), gallbladder outlet pipe (32), chamber water inlet pipe (33), chamber water outlet
Pipe (34), the first connecting tube (351), the second connecting tube (352) and with water pipe (36)；
Described Instant heating type hot water apparatus (2) includes heating chamber (21), described chamber water inlet pipe (33), described chamber outlet pipe (34) all positions
In one end of described heating chamber (21), and it is connected with described heating chamber (21)；
Described gallbladder outlet pipe (32), described gallbladder water inlet pipe (31) are each attached to one end of described inner bag (11), all with described inner bag
(11) it is connected, and a part for described gallbladder outlet pipe (32) inserts the inside of described inner bag (11)；
First valve water inlet of described water mixing valve (37) is connected with described gallbladder outlet pipe (32), and its second valve water inlet passes through described
First connecting tube (351) is connected with described chamber outlet pipe (34), the valve outlet of described water mixing valve (37) with water pipe (36) phase
Even；
Described gallbladder water inlet pipe (31) is connected with described chamber water inlet pipe (33) by described second connecting tube (352), described voltage regulation cylinder
(4) intake-outlet (45) directly connects or connects described second connecting tube (352) by described water inlet pipe and water outlet pipe.
7. beforehand instant double-mode water heater according to claim 1 it is characterised in that:
Described pipe valve assembly includes water mixing valve (37), gallbladder water inlet pipe (31), gallbladder outlet pipe (32), chamber water inlet pipe (33), chamber water outlet
Pipe (34), connecting tube (35) and with water pipe (36)；
Described Instant heating type hot water apparatus (2) includes heating chamber (21), described chamber water inlet pipe (33), described chamber outlet pipe (34) all positions
In one end of described heating chamber (21), and it is connected with described heating chamber (21)；
Described gallbladder outlet pipe (32), described gallbladder water inlet pipe (31) are each attached to one end of described inner bag (11), all with described inner bag
(11) it is connected, and a part for described gallbladder outlet pipe (32) inserts the inside of described inner bag (11)；
First valve water inlet of described water mixing valve (37) is connected with described gallbladder outlet pipe (32), its second valve water inlet and described gallbladder
Water inlet pipe (31) is connected, and the valve outlet of described water mixing valve (37) is by described connecting tube (35) and described chamber water inlet pipe (33) phase
Even；
The intake-outlet (45) of described voltage regulation cylinder (4) directly connects or connects described gallbladder water inlet pipe by described water inlet pipe and water outlet pipe
(31).
8. the beforehand instant double-mode water heater according to claim 5 or 6 or 7 it is characterised in that:
Also include the first temperature sensor (5), second temperature sensor (6), three-temperature sensor (7), effusion meter (8) and
Panel；
Described first temperature sensor (5) is located on described use water pipe (36), and described second temperature sensor (6) is located at described chamber
On water inlet pipe (33), described three-temperature sensor (7) is located on described chamber outlet pipe (34), described first temperature sensor
(5), described second temperature sensor (6) and described three-temperature sensor (7) are all electrically connected with described panel；
Described effusion meter (8) is located on described chamber water inlet pipe (33), and described effusion meter (8) is electrically connected with described panel.
9. beforehand instant double-mode water heater according to claim 1 it is characterised in that:
Described inner bag (11) material is configured to enamel material, stainless steel and non-metallic material；
Described non-metallic material includes plastic material, ceramic material and glass material.
10. beforehand instant double-mode water heater according to claim 1 it is characterised in that:
Described storage-type hot water apparatus (1) includes electromagnetic heater；
The fever tablet (91) of described electromagnetic heater is located at the inside of described inner bag (11), the electromagnetic wire coil of described electromagnetic heater
(92) it is fixed on the outer wall of described inner bag (11), described fever tablet (91) and described electromagnetic wire coil (92) are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845571.4A CN106369812A (en) | 2016-09-25 | 2016-09-25 | Pre-heating and instant heating dual-mode water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845571.4A CN106369812A (en) | 2016-09-25 | 2016-09-25 | Pre-heating and instant heating dual-mode water heater |
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| Publication Number | Publication Date |
|---|---|
| CN106369812A true CN106369812A (en) | 2017-02-01 |
Family
ID=57896831
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| CN201610845571.4A Pending CN106369812A (en) | 2016-09-25 | 2016-09-25 | Pre-heating and instant heating dual-mode water heater |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642647A (en) * | 2017-03-08 | 2017-05-10 | 中山市亲泉电热水器科技有限公司 | Low-pressure electric water heater |
| CN107289618A (en) * | 2017-08-11 | 2017-10-24 | 莱克电气绿能科技(苏州)有限公司 | A kind of water purifier heater and heating means |
| CN107642905A (en) * | 2017-09-25 | 2018-01-30 | 南京律智诚专利技术开发有限公司 | A kind of hot-water heating system with preheating system |
| CN108592379A (en) * | 2017-12-30 | 2018-09-28 | 佛山市集知汇科技有限公司 | A kind of constant temp gas water heater |
| CN108775707A (en) * | 2018-07-12 | 2018-11-09 | 江门市银河科技发展有限公司 | A kind of storage-type external circulation heating electric heater |
| CN109556297A (en) * | 2018-12-14 | 2019-04-02 | 广东万家乐燃气具有限公司 | A kind of gas instantaneous water heater and the device for reducing water cut-off temperature-rising |
| CN110332714A (en) * | 2019-06-24 | 2019-10-15 | 安徽威博新能源供暖供水设备有限公司 | A kind of instant electric water heater's cold-water reflux heating device |
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| CN109556297A (en) * | 2018-12-14 | 2019-04-02 | 广东万家乐燃气具有限公司 | A kind of gas instantaneous water heater and the device for reducing water cut-off temperature-rising |
| CN110332714A (en) * | 2019-06-24 | 2019-10-15 | 安徽威博新能源供暖供水设备有限公司 | A kind of instant electric water heater's cold-water reflux heating device |
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Application publication date: 20170201 |