CN104582018A - Heater - Google Patents
Heater Download PDFInfo
- Publication number
- CN104582018A CN104582018A CN201310519177.8A CN201310519177A CN104582018A CN 104582018 A CN104582018 A CN 104582018A CN 201310519177 A CN201310519177 A CN 201310519177A CN 104582018 A CN104582018 A CN 104582018A
- Authority
- CN
- China
- Prior art keywords
- heater
- layer shell
- present
- tube
- internal layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21016—Water-boiling vessels, e.g. kettles electrically heated with heating elements immersed in the water
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/542—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
- 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
- F24H1/102—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 with resistance
- F24H1/103—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 with resistance with bare resistances in direct contact with the fluid
-
- 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
- F24H9/001—Guiding means
- F24H9/0015—Guiding means in water channels
-
- 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
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/016—Heaters using particular connecting means
Landscapes
- 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)
- Food Science & Technology (AREA)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention provides a heater. The heater comprises a shell and a heating element, wherein the heating element is positioned in the shell. The heater is characterized in that the shell comprises two layers, respectively an inner-layer shell and an outer-layer shell; the inner-layer shell and the outer-layer shell are in close fit, the inner-layer shell is made of a tube stock with good thermal conductivity, and the outer-layer shell is made of a tube stock which is not easy to rust. The inner-layer shell of the heater is made of the tube stock with the good thermal conductivity so as to be capable of timely and fully conducting heat generated by the heating element, to the outer-layer shell; therefore, the heat conduction efficiency and the heat utilization ratio are improved, and the service life of the heating element can be prolonged. The outer-layer shell of the heater is made of the tube stock, which is not easy to rust, and is unlikely to oxidize in contact with water at high temperature, so that the service life of the heater can be prolonged. If the inner-layer shell is an aluminum tube and the outer-layer shell is a stainless steel tube, the aluminum tube is not cracked due to the existence of the stainless steel tube in heater producing and using procedures, so that the production technique of the heater is simple, and the service life of the heater is long.
Description
Technical field
The present invention relates to a kind of heater, particularly relate to simple by a kind of production technology, efficiency of utilization is high and the heater of long service life.
Background technology
Existing heater, General Life is all shorter, have following two reasons: reason is because poor thermal conductivity, the heat causing heater element to produce can not in time, conduct out fully and shorten useful life of heat conducting element, thus shorten the useful life of whole heater; Another reason be the pipeline that contacts with water because high temperature, cause getting rusty easily and corroding, thus shorten the useful life of whole heater.
Summary of the invention
Based on the deficiencies in the prior art, the object of the invention is to provide that a kind of production technology is simple, efficiency of utilization is high and the heater of long service life.
To achieve these goals, the invention provides a kind of heater, it comprises housing, heater element, and described heater element is positioned at described housing, it is characterized in that: described housing comprises two-layer, be respectively internal layer shell and outer casing, fit tightly between described internal layer shell and described outer casing, described internal layer shell is aluminum pipe, copper pipe or the good tubing of other thermal conductivity, described outer casing is stainless steel tube, titanium alloy tube or other tubing not easily got rusty.
As the improvement of heater of the present invention, heater of the present invention also comprises central passage, outer tube and tube connector, described outer tube wall has two openings, lay respectively at the two ends of described outer tube, described tube connector one end connects one end of central passage, and the described tube connector other end connects one of them opening of outer tube wall.
As the improvement of heater of the present invention, heater of the present invention also comprises central passage, and described heater element and described housing are wrapped in described central passage.
As the improvement of heater of the present invention, heater of the present invention also comprises outer tube, and described outer tube wall has two openings, lays respectively at the two ends of described outer tube.
As the improvement of heater of the present invention, the outer wall of the described outer casing of heater of the present invention is provided with bar-shaped trough, helicla flute, cannelure or spring coil.
As the improvement of heater of the present invention, the outer wall of the described outer casing of heater of the present invention is provided with bar-shaped trough, helicla flute, cannelure or spring coil.
As the improvement of heater of the present invention, the described internal layer shell of heater of the present invention has one or more heat dam.
As the improvement of heater of the present invention, heater of the present invention also comprises fuse and temperature sensor.
As the improvement of heater of the present invention, heater of the present invention also comprises insulating cement, lead terminal and sealing plug.
As the improvement of heater of the present invention, heater of the present invention also comprises insulating cement and lead terminal.
As the improvement of heater of the present invention, the described internal layer shell of heater of the present invention has one or more heat dam.
Compared with prior art, the present invention has following beneficial effect: the internal layer shell of heater of the present invention is the tubing that thermal conductivity is good, the heat that heater element produces can conduct to outer casing by time, fully, improve heat conduction efficiency, improve heat utilization rate, and the life-span of heater element can be improved; The outer casing of heater of the present invention is the tubing not easily got rusty, because it is not easy because of high temperature and contacts water and be oxidized, can improve the life-span of heater of the present invention; Be aluminum pipe at internal layer shell, when outer casing is stainless steel tube, in the process of producing and use, because there is the existence of stainless steel tube, described aluminum pipe can not ftracture, thus makes heater production technology of the present invention simple, long service life.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of heater preferred embodiment () of the present invention.
Fig. 2 is the structural representation of heater preferred embodiment () of the present invention.
Fig. 3 is the structural representation of other embodiments of heater of the present invention ().
Fig. 4 is the stereoscopic figure () of the housing of heater preferred embodiment () of the present invention.
Fig. 5 is the stereoscopic figure (two) of the housing of heater preferred embodiment () of the present invention.
Fig. 6 is the stereoscopic figure (three) of the housing of heater preferred embodiment () of the present invention.
Fig. 7 is the stereoscopic figure (four) of the housing of heater preferred embodiment () of the present invention.
Fig. 8 is the stereoscopic figure of heater preferred embodiment (two) of the present invention.
Fig. 9 is the structural representation of heater preferred embodiment (two) of the present invention.
Figure 10 is the structural representation of heater preferred embodiment (three) of the present invention.
Figure 11 is the structural representation of heater preferred embodiment (four) of the present invention.
Embodiment
Heater of the present invention is applicable to heat various liquid, or heats various liquid thus produce steam.
Heater preferred embodiment (one) of the present invention hereafter will be described in detail with reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.
A kind of heater in the present embodiment, it comprises housing 1.5, heater element 1.4, described heater element 1.4 is positioned at described housing 1.5, it is characterized in that: described housing 1.5 comprises two-layer, be respectively internal layer shell 1.5.1 and outer casing 1.5.3, fit tightly between described internal layer shell 1.5.1 and described outer casing 1.5.3, described internal layer shell 1.5.1 is aluminum pipe, and described outer casing 1.5.3 is stainless steel tube.
Due to aluminum pipe 1.5.1, not only thermal conductivity is good, and be easy to distortion, so in the production process of heater of the present invention, pass through extrusion process, aluminum pipe 1.5.1 is easy to the heater element 1.4 simultaneously and inside it and the stainless steel tube 1.5.3 outside it fits tightly, gap can not be had, the heat that such heater element 1.4 produces is easy to the stainless steel tube 1.5.3 being transmitted to outside through aluminum pipe 1.5.1, so just to overcome in prior art because the heat that produces of heater element is owing to can not get in time, cause the temperature of heater element self too high fully to outdiffusion, and shorten the useful life of heater element.
Simultaneously, even if be also not easy to be oxidized because stainless steel tube 1.5.3 contacts with water or air in the case of a high temperature, the useful life of such stainless steel tube 1.5.3 would not shorten because of oxidized, thus the useful life of heater of the present invention is extended, so just overcome aluminum pipe or copper pipe in prior art directly to contact with water or air, in the case of a high temperature, stronger oxidation reaction can be there is in aluminum pipe or copper pipe, the useful life of such aluminum pipe or copper pipe can shorten greatly, and cupric oxide (and verdigris) can incorporate in water and drunk by people, harm is produced to the health of people.
In other embodiments, the described internal layer shell of heater of the present invention is the tubing that copper 1.5.2 or other thermal conductivity are good, and described outer casing is titanium alloy or other tubing not easily got rusty.
In the present embodiment, heater of the present invention also comprises central passage 1.1, outer tube 1.7 and tube connector 1.11, described outer tube 1.7 tube wall has two openings 1.8 and 1.9, lay respectively at the two ends of described outer tube 1.7, described tube connector 1.11 one end connects one end of central passage 1.1, and described tube connector 1.11 other end connects one of them opening 1.8 of outer tube 1.7 tube wall.
Water or other liquid are through twice heating of central passage and outer tube, directly can produce the steam of HTHP, water or other liquid can first through central passages, again through outer tube, also can first through outer tube, again through central passage, preferred version is also can first through outer tube, then through central passage.
Water or other liquid, through central passage, not only can make full use of the heat energy that heater element produces, and can be distributed in time by the heat that heater element produces in time, the temperature of heater element self can not be caused too high and shorten life-span of heater element.
In the present embodiment, the outer wall of the described outer casing 1.5.3 of heater of the present invention is provided with cannelure 1.5.3.3, and cannelure 1.5.3.3 can increase the area that described outer casing 1.5.3 and water or other liquid carry out heat exchange, thus improves rate of heat exchange.
In other embodiments, the outer wall of the described outer casing of heater of the present invention is provided with bar-shaped trough 1.5.3.1, helicla flute 1.5.3.2 or spring coil 1.10.
In the present embodiment, the described internal layer shell of heater of the present invention has one or more heat dam 1.5.4.
In the present embodiment, heater of the present invention also comprises fuse 2 and temperature sensor 3.
In the present embodiment, heater of the present invention also comprises insulating cement 1.3, lead terminal 1.2 and sealing plug 1.6.
With reference to figure 8, Fig. 9, heater preferred embodiment two of the present invention hereafter will be described in detail.
In preferred embodiment two, heater of the present invention also comprises central passage 1.1, described heater element 1.4 and described housing 1.5 are wrapped in described central passage 1.1, such water or other liquid just only pass through heating in described central passage 1.1, the heat of described outer casing 1.5.3 is just directly dispersed in air and has gone, this is a kind of waste of the energy relative to preferred embodiment one, but when the heat of described outer casing 1.5.3 can meet other caloric requirements of other needs of consumer or same big machinery, just do not waste energy.
With reference to Figure 10, heater preferred embodiment three of the present invention hereafter will be described in detail.
In preferred embodiment three, heater of the present invention also comprises outer tube 1.7, and described outer tube 1.7 tube wall has two openings 1.8 and 1.9, lays respectively at the two ends of described outer tube 1.7, and such water or other liquid just only pass through heating in described outer tube 1.7.
With reference to Figure 11, heater preferred embodiment four of the present invention hereafter will be described in detail.
In the present embodiment, heater of the present invention also comprises insulating cement 1.3 and lead terminal 1.2.
In the present embodiment, the described internal layer shell of heater of the present invention has one or more heat dam 1.5.4.
In preferred embodiment four, heater of the present invention had not both had central passage 1.1, did not have outer tube 1.7 yet, and heater of the present invention is placed directly in water to be heated or other liquid, directly to water to be heated or other heating liquids.
In above-mentioned four embodiments, optimum is embodiment one, next is embodiment three, embodiment two is generally only applicable to when the heat of described outer casing 1.5.3 can meet other caloric requirements of other needs of consumer or same big machinery, embodiment four is generally used in ordinary consumer family expenses, identical with traditional immersion heater usage, but effect will be got well.
Compared with prior art, the present invention has following beneficial effect: the internal layer shell of heater of the present invention is the tubing that thermal conductivity is good, the heat that heater element produces can conduct to outer casing by time, fully, improve heat conduction efficiency, improve heat utilization rate, and the life-span of heater element can be improved; The outer casing of heater of the present invention is the tubing not easily got rusty, because it is not easy because of high temperature and contacts water and be oxidized, can improve the life-span of heater of the present invention; Be aluminum pipe at internal layer shell, when outer casing is stainless steel tube, in the process of producing and use, because there is the existence of stainless steel tube, described aluminum pipe can not ftracture, thus makes heater production technology of the present invention simple, and long service life, rate of finished products is high.
Above disclosedly be only preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (14)
1. a heater, it comprises housing, heater element, described heater element is positioned at described housing, it is characterized in that: described housing comprises two-layer, be respectively internal layer shell and outer casing, fit tightly between described internal layer shell and described outer casing, described internal layer shell is aluminum pipe, copper pipe or the good tubing of other thermal conductivity, described outer casing is stainless steel tube, titanium alloy tube or other tubing not easily got rusty.
2. heater according to claim 1, it is characterized in that: also comprise central passage, outer tube and tube connector, described outer tube wall has two openings, lay respectively at the two ends of described outer tube, described tube connector one end connects one end of central passage, and the described tube connector other end connects one of them opening of outer tube wall.
3. heater according to claim 1, is characterized in that: also comprise central passage, and described heater element and described housing are wrapped in described central passage.
4. heater according to claim 1, is characterized in that: also comprise outer tube, and described outer tube wall has two openings, lays respectively at the two ends of described outer tube.
5. heater according to claim 2, is characterized in that: the outer wall of described outer casing is provided with bar-shaped trough, helicla flute, cannelure or spring coil.
6. the heater according to claim 3 or 4, is characterized in that: the outer wall of described outer casing is provided with bar-shaped trough, helicla flute, cannelure or spring coil.
7. heater according to claim 5, is characterized in that: described internal layer shell has one or more heat dam.
8. heater according to claim 6, is characterized in that: described internal layer shell has one or more heat dam.
9. heater according to claim 7, is characterized in that, also comprises fuse and temperature sensor.
10. heater according to claim 9, is characterized in that: also comprise insulating cement, lead terminal and sealing plug.
11. heaters according to claim 8, is characterized in that, also comprise fuse and temperature sensor.
12. heaters according to claim 11, is characterized in that: also comprise insulating cement, lead terminal and sealing plug.
13. heaters according to claim 1, is characterized in that: also comprise insulating cement and lead terminal.
14. heaters according to claim 13, is characterized in that: described internal layer shell has one or more heat dam.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519177.8A CN104582018A (en) | 2013-10-29 | 2013-10-29 | Heater |
| PCT/CN2014/084345 WO2015062338A1 (en) | 2013-10-29 | 2014-08-14 | Heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519177.8A CN104582018A (en) | 2013-10-29 | 2013-10-29 | Heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104582018A true CN104582018A (en) | 2015-04-29 |
Family
ID=53003280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310519177.8A Pending CN104582018A (en) | 2013-10-29 | 2013-10-29 | Heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104582018A (en) |
| WO (1) | WO2015062338A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2523550A (en) * | 2014-02-25 | 2015-09-02 | Aqualogic Nt Ltd | Water heater |
| CN115161468B (en) * | 2022-08-05 | 2023-11-17 | 宜春市金地锂业有限公司 | Lepidolite draws lithium thermal cycle system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896110Y (en) * | 2006-04-25 | 2007-05-02 | 黄樟焱 | Energy-saving immediate-heated type electric heating device |
| CN101187500A (en) * | 2007-12-18 | 2008-05-28 | 宁波天明电子股份有限公司 | Electric heating device of quick-heating type electric water heater without hot bladder |
| CN101446409A (en) * | 2008-03-05 | 2009-06-03 | 苏州韩京姬科技有限公司 | Heating device for steam generator and manufacturing method thereof |
| CN202109637U (en) * | 2011-06-27 | 2012-01-11 | 朱小荣 | Submersible anticorrosion PTC(positive temperature coefficient) water heater |
| CN202613741U (en) * | 2011-08-04 | 2012-12-19 | 周卫红 | Hollow cylindrical-shaped heat exchanger |
| CN203632891U (en) * | 2013-10-29 | 2014-06-04 | 广州市拓璞电器发展有限公司 | Heating device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1482464A (en) * | 1974-03-20 | 1977-08-10 | Boc International Ltd | Electric resistance heaters |
| CN2419781Y (en) * | 2000-04-06 | 2001-02-14 | 河合电器(杭州)有限公司 | Electric water heating pipe |
| KR200433696Y1 (en) * | 2006-09-30 | 2006-12-13 | 주식회사 대웅 | Near infrared ray heating element |
| CN202032726U (en) * | 2011-04-21 | 2011-11-09 | 宁波圣莱达电器股份有限公司 | Hydraulic pressure resisting liquid rapid heater |
| CN203162327U (en) * | 2013-01-30 | 2013-08-28 | 广州市益德电热制品有限公司 | Instant-heating-type faucet |
| CN203399310U (en) * | 2013-08-14 | 2014-01-15 | 广州市益德电热制品有限公司 | Double-wall heating pipe |
-
2013
- 2013-10-29 CN CN201310519177.8A patent/CN104582018A/en active Pending
-
2014
- 2014-08-14 WO PCT/CN2014/084345 patent/WO2015062338A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896110Y (en) * | 2006-04-25 | 2007-05-02 | 黄樟焱 | Energy-saving immediate-heated type electric heating device |
| CN101187500A (en) * | 2007-12-18 | 2008-05-28 | 宁波天明电子股份有限公司 | Electric heating device of quick-heating type electric water heater without hot bladder |
| CN101446409A (en) * | 2008-03-05 | 2009-06-03 | 苏州韩京姬科技有限公司 | Heating device for steam generator and manufacturing method thereof |
| CN202109637U (en) * | 2011-06-27 | 2012-01-11 | 朱小荣 | Submersible anticorrosion PTC(positive temperature coefficient) water heater |
| CN202613741U (en) * | 2011-08-04 | 2012-12-19 | 周卫红 | Hollow cylindrical-shaped heat exchanger |
| CN203632891U (en) * | 2013-10-29 | 2014-06-04 | 广州市拓璞电器发展有限公司 | Heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015062338A1 (en) | 2015-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102821496B (en) | Instant-heating heater | |
| CN201781644U (en) | High-frequency electric heating tube of high-efficiency energy-saving electric water heater | |
| CN209876267U (en) | Skin heating cable for oil pipeline | |
| CN104582018A (en) | Heater | |
| CN203632891U (en) | Heating device | |
| CN203745246U (en) | Integrated electrical heating heat-insulating stack gas sampling pipe | |
| CN203053017U (en) | Liquid heating device used for water heater | |
| CN201724406U (en) | Sleeve-type water tank of heat pump water heater | |
| CN204187815U (en) | A kind of water-heating tank for electric water boiler | |
| CN206262514U (en) | External disk tube reaction kettle | |
| CN206323579U (en) | A kind of high-efficiency heating pipe | |
| CN203785228U (en) | Cylinder type heater | |
| CN209363842U (en) | Novel impedor applied to the continuous tubulation of stainless steel heat exchange coil high frequency | |
| CN103983009B (en) | Detachable instantaneously heated type heater | |
| CN207065695U (en) | A kind of electromagnetic heater heater | |
| CN202931580U (en) | Instant heating type heater | |
| CN206522915U (en) | Honeycomb fashion Electromagnetic heat tube heater | |
| CN205371926U (en) | Defeated oil pipe of flat arc tube shape companion heat | |
| CN203423816U (en) | Structure of water tank heater | |
| CN209470371U (en) | A kind of high-power water heater having anticorrosion, multiple leak electrical property | |
| CN202329860U (en) | Thermistor temperature sensor for healthcare tea set | |
| CN209085057U (en) | A kind of Novel special-shaped electric heater for pipeline | |
| CN207881232U (en) | Anti-electricity wall structure of water heater | |
| CN210089117U (en) | Immersion PTC water heater with high safety and efficiency | |
| CN202077207U (en) | Double-insulated heating element for water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
|
| WD01 | Invention patent application deemed withdrawn after publication |