CN106225220B - A kind of high waterproof thermal-insulated fire-retardant electric heater - Google Patents
A kind of high waterproof thermal-insulated fire-retardant electric heater Download PDFInfo
- Publication number
- CN106225220B CN106225220B CN201610576506.6A CN201610576506A CN106225220B CN 106225220 B CN106225220 B CN 106225220B CN 201610576506 A CN201610576506 A CN 201610576506A CN 106225220 B CN106225220 B CN 106225220B
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- waterproof
- fire
- retardant
- liner
- thermal
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Classifications
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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
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Abstract
A kind of high waterproof thermal-insulated fire-retardant electric heater, including shell, the liner being located in the shell, the electrothermal tube being located on liner and the connecting terminal being located on the electrothermal tube, the electrothermal tube is located at the inner side of liner, the shell includes staving and the end cap for being located at the staving oral area, the end cap is equipped with groove, the bottom portion of groove is equipped with service hatch, the waterproof insulation flame-resistant sheet for blocking the service hatch is equipped in the groove, fire-retardant fireproof chamber is formed between the side and the liner of the waterproof insulation flame-resistant sheet, the incubation cavity that blocks water is formed between the other side and the cover board of the waterproof insulation flame-resistant sheet.The waterproof thermal-insulated fire-retardant electric heater of height provided according to invention has the advantages that the setting of waterproof insulation flame-resistant sheet compared with prior art so that connecting terminal is intracavitary in fire-retardant fireproof is enclosed in, when effectivelying prevent having a large amount of water slugs at end cap, part water enters on the inside of cover board, and electrical insulation strength is caused to decline.
Description
Technical field
The present invention relates to a kind of electric heater more particularly to a kind of high waterproof thermal-insulated fire-retardant electric heaters.
Background technique
Due to the limitation of living conditions, part water heater is mounted in the toilet of water drenching risk.Equipped with electric appliance member device
The right side of part may have the risk of the water impact from each angle and intensity.Sometimes the common water heater of IPX4 is locally exceeded
Waterproof requirement, local enhancement waterproof performance become guarantee safety a kind of means.
The GB21519-2008 " storage-type electric water heater energy efficiency market and efficiency grade " of existing storage-type electric water heater
Efficiency mandatory requirement implement since, each enterprise by various technologies raising index.Storage-type electric water heater energy efficiency market and
Efficiency grade mainly examines 24 hours inherent losses and hot water delivery rate, marks efficiency by minimum project.The position of right end cap
Due to being equipped with electrothermal tube and control and wiring harness, this position is also more demanding to flame retardant property.This portion of normal condition
Position does not have integrated foaming heat preservation layer, is equivalent to the position of bottleneck of vacuum flask, is the maximum heat bridge of heat dissipation, although this position is general
Manufacturer is all kept the temperature using mineral wool, and to reduce heat conduction and heat radiation, but heat loss through convection cannot solve very well.
Electrothermal tube is powerful heating electric appliance, is easy fever in connecting terminal position, has in extreme situations on fire
Hidden danger, although neighbouring components have certain anti-flammability, if nearby forming closed small space, prevent oxygen
Rapid supplement, intermediate oxygen is consumed when on fire rapidly and achievees the purpose that fire extinguishing, the fire protecting performance of electric heater will be made more
It steps to a new level.
Summary of the invention
Technical problem to be solved by the present invention lies in the deficiency for overcoming the above-mentioned prior art, a kind of raising waterproof etc. is provided
Grade, the electric heater reinforced heat preservation, prevent open fire from burning.
On the one hand, the main technical schemes that the waterproof thermal-insulated fire-retardant electric heater of the height provided according to invention uses are as follows: including
Shell, the liner being located in the shell, the heating component being located on liner and the controller for controlling the heating component, it is described
Heating component includes electrothermal tube and the connecting terminal that is located on the electrothermal tube, and the electrothermal tube is located at the inside of the liner,
The connecting terminal is located at the outside of the liner；The shell includes staving and the end cap for being located at the staving oral area, described
End cap is equipped with groove, and the bottom portion of groove is equipped with service hatch, is equipped with cover board in the groove, the liner and the end cap it
Between be equipped with thermal insulating seat, be provided with wiring hole on the thermal insulating seat, the connecting terminal is opposite with the wiring hole, the wiring hole and
The service hatch is opposite, and the waterproof insulation flame-resistant sheet for blocking the service hatch is equipped in the groove, and the waterproof insulation is fire-retardant
Fire-retardant fireproof chamber is formed between the side of piece and the liner, between the other side and the cover board of the waterproof insulation flame-resistant sheet
Formation blocks water incubation cavity, and the volumetric ratio of the fire-retardant fireproof chamber and the incubation cavity that blocks water is 10-1.
The waterproof thermal-insulated fire-retardant electric heater of height provided by the invention also uses following attached technical scheme:
The waterproof insulation flame-resistant sheet is bonded in the bottom portion of groove.
The waterproof insulation flame-resistant sheet is electric insulation polyester film.
The thickness of the waterproof insulation flame-resistant sheet is less than 0.7mm.
Be equipped with foam chamber between the staving and the liner, be equipped with insulating layer in the foam chamber, the insulating layer with
The thermal insulating seat is structure as a whole.
On the other hand, the main technical schemes that the waterproof thermal-insulated fire-retardant electric heater of the height provided according to invention uses are as follows: packet
Include shell, the liner being located in the shell, the heating component being located on liner and the controller for controlling the heating component, institute
The connecting terminal that heating component includes electrothermal tube He is located on the electrothermal tube is stated, the electrothermal tube is located at the interior of the liner
Side, the connecting terminal are located at the outside of the liner, and the shell includes staving and the end cap for being located at the staving oral area, institute
End cap is stated equipped with groove, the bottom portion of groove is equipped with service hatch, is equipped with cover board, the liner and the end cap in the groove
Between be equipped with thermal insulating seat, be provided with wiring hole on the thermal insulating seat, the connecting terminal is opposite with the wiring hole, the wiring hole
It is opposite with the service hatch, it is equipped with waterproof insulation fire-retardant ring at the service hatch, is equipped in the middle part of the waterproof insulation fire-retardant ring anti-
Water wiring cylinder；The cover board is equipped with electrical part, and one end of the waterproof wiring cylinder is connect with the waterproof insulation fire-retardant ring, institute
The other end for stating waterproof wiring cylinder abuts against the cover board, and the electrical part is opposite with the waterproof wiring cylinder；The waterproof insulation
The fire-retardant fireproof chamber being connected on the inside of the waterproof wiring cylinder is formed between the side of fire-retardant ring and the liner, the waterproof is exhausted
The incubation cavity that blocks water being connected on the outside of the waterproof wiring cylinder, the resistance are formed between the other side of edge fire-retardant ring and the cover board
The volumetric ratio of combustion fire prevention chamber and the incubation cavity that blocks water is 10-1.
The waterproof thermal-insulated fire-retardant electric heater of height provided by the invention also uses following attached technical scheme:
The cover board includes outer cover plate and inner cover plate, and the outer cover plate is equipped with inner cover mounting hole, the inner cover mounting hole
Place is equipped with inner cover plate, and the electrical part is mounted in the inner cover plate, one end of the waterproof wiring cylinder and the waterproof insulation
Fire-retardant ring connection, the other end of the waterproof wiring cylinder abut against the inner cover plate.
The inner cover plate is equipped with waterproof reinforced cylinder, and the other end of the waterproof wiring cylinder protrudes into the waterproof reinforced cylinder.
The length of the waterproof wiring cylinder is greater than 1mm.
The waterproof insulation fire-retardant ring and the waterproof wiring cylinder are structure as a whole.
The waterproof insulation fire-retardant ring is bonded in the bottom portion of groove.
The waterproof insulation fire-retardant ring and the waterproof wiring cylinder are electric insulation polyester film.
The thickness of the waterproof insulation fire-retardant ring and the waterproof wiring cylinder is respectively less than 0.7mm.
Be equipped with foam chamber between the staving and the liner, be equipped with insulating layer in the foam chamber, the insulating layer with
The thermal insulating seat is structure as a whole.
The waterproof thermal-insulated fire-retardant electric heater of height provided according to first aspect present invention has as follows compared with prior art
Advantage: firstly, the setting of waterproof insulation flame-resistant sheet is so that connecting terminal is in, to be enclosed in fire-retardant fireproof intracavitary, effectively prevent end cap
When there are a large amount of water slugs at place, part water enters on the inside of cover board, and electrical insulation strength is caused to decline；Secondly, relative closure is fire-retardant
Fire prevention chamber and the incubation cavity that blocks water, can effectively reduce the heat convection of heat near connecting terminal, enhance the heat insulating ability of water heater
Energy；Again, the almost closed space in the intracavitary portion of fire-retardant fireproof can also quickly form anoxic even if catching fire at connecting terminal
Environment and extinguish open fire so that product is more safe and reliable in use.
The waterproof thermal-insulated fire-retardant electric heater of height provided according to second aspect of the present invention has as follows compared with prior art
Advantage: firstly, the setting of waterproof insulation fire-retardant ring and waterproof wiring cylinder is so that connecting terminal is in, to be enclosed in fire-retardant fireproof intracavitary,
When effectivelying prevent having a large amount of water slugs at end cap, part water enters on the inside of cover board, and electrical insulation strength is caused to decline；Secondly, phase
To closed fire-retardant fireproof chamber and the incubation cavity that blocks water, the heat convection of heat near connecting terminal, enhancing heat can be effectively reduced
The thermal insulation property of hydrophone；Again, the almost closed space in the intracavitary portion of fire-retardant fireproof, even if catching fire at connecting terminal, also can
It quickly forms anaerobic environment and extinguishes open fire, so that product is more safe and reliable in use.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention one.
Fig. 2 be at the end cap of the embodiment of the present invention one by water impact when schematic diagram.
Fig. 3 is the schematic diagram of heat convection at the end cap of the embodiment of the present invention one.
Fig. 4 is the schematic diagram that external world's oxygen cannot be introduced into fire-retardant fireproof chamber at the end cap of the embodiment of the present invention one.
Fig. 5 is the schematic diagram of the section structure of the embodiment of the present invention two.
Specific embodiment
Embodiment one
Referring to Fig. 1 to Fig. 4, the waterproof thermal-insulated fire-retardant electric heater embodiment of height provided according to invention, including shell, be located at
The controller of liner 3, the heating component and control heating component that are located on liner 3 in shell, heating component includes electrothermal tube
41 and the connecting terminal 42 that is located on electrothermal tube 41, electrothermal tube 41 be located at the inside of liner 3, connecting terminal 42 is located at liner 3
Outside；Shell includes staving 1 and the end cap 2 for being located at 1 oral area of staving, and end cap 2 is equipped with groove, and bottom portion of groove is equipped with service hatch
21, groove is interior to be equipped with cover board 5, and thermal insulating seat 61 is equipped between liner 3 and end cap 2, is provided with wiring hole, connecting terminal on thermal insulating seat 61
42 is opposite with wiring hole, and wiring hole and service hatch 21 are opposite, and the waterproof insulation flame-resistant sheet 10 for blocking service hatch 21 is equipped in groove,
Fire-retardant fireproof chamber 7, the other side of waterproof insulation flame-resistant sheet 10 and lid are formed between the side and liner 3 of waterproof insulation flame-resistant sheet 10
It is formed and is blocked water incubation cavity 8 between plate 5, the volumetric ratio of fire-retardant fireproof chamber 7 and the incubation cavity 8 that blocks water is 10-1.It is fire-retardant in the present embodiment
The volumetric ratio of fire prevention chamber 7 and the incubation cavity 8 that blocks water is preferably 3.Firstly, the setting of waterproof insulation flame-resistant sheet 10 is so that connecting terminal 42
In being enclosed in fire-retardant fireproof chamber 7, when effectivelying prevent having a large amount of water slugs at end cap 2, part water enters 5 inside of cover board, makes
Decline at electrical insulation strength；Secondly, the fire-retardant fireproof chamber 7 of relative closure and the incubation cavity 8 that blocks water, can effectively reduce terminals
The heat convection of heat, enhances the thermal insulation property of water heater near son 42；Again, the almost closed sky in 7 inside of fire-retardant fireproof chamber
Between, even if catching fire at connecting terminal 42, it can also quickly form anaerobic environment and extinguish open fire, so that product is in use process
In it is more safe and reliable.When specifically used, after the receiving of end cap 2 is directly impacted compared with mass-flow, there may be a small amount of water flow to pass through end
Gap between lid 2 and cover board 5 enters interior of shell, but waterproof insulation flame-resistant sheet 10 seals completely the locating of connecting terminal 42
Space, water can not be crossed, the drying in space where ensure that electrical component, it is ensured that dielectric strength of the invention is unaffected；Together
When waterproof insulation flame-resistant sheet 10 be also heat-insulating material, the heat exchange for again reducing fire-retardant fireproof chamber 7 between the incubation cavity 8 that blocks water,
Improve the thermal insulation property of water heater.(arrow in Fig. 2 indicates direction and the water of water impact；Arrow Biao Lire in Fig. 3
Measure direction and the heat of flowing；Arrow in Fig. 4 indicates flow direction and the air capacity of oxygen-containing air).
Referring to Fig. 1, according to invention the above embodiments, waterproof insulation flame-resistant sheet 10 is bonded in bottom portion of groove.Waterproof insulation
Flame-resistant sheet 10 is easy to assembly, fixed using aforesaid way installation, sealing effect is good, helps to reduce being produced into for product
This.
Referring to Fig. 1, according to invention the above embodiments, waterproof insulation flame-resistant sheet 10 is electric insulation polyester film.Electrically
Insulation polyester film has the performances such as good insulation, heat-resisting, weather-proof, insulation, it is ensured that in the service life of electric heater
It is interior to damage.
Referring to Fig. 1, according to invention the above embodiments, the thickness of waterproof insulation flame-resistant sheet 10 is less than 0.7mm.The present embodiment
Preferably 0.25mm.Waterproof insulation flame-resistant sheet 10 does not take up extra space substantially, facilitates installation, without reopening mold, reduces
The production cost of product.
Referring to Fig. 1, according to invention the above embodiments, it is equipped with foam chamber between staving 1 and liner 3, is equipped in foam chamber
Insulating layer 62, insulating layer 62 are structure as a whole with thermal insulating seat 61.Insulating layer 62 is structure as a whole with thermal insulating seat 61, easy to process,
Good heat insulating.
Embodiment two
Referring to Fig. 5, the waterproof thermal-insulated fire-retardant electric heater embodiment of height provided according to invention, including shell, it is located at shell
The controller of interior liner 3, the heating component and control heating component that are located on liner 3, heating component includes 41 He of electrothermal tube
The connecting terminal 42 being located on electrothermal tube 41, electrothermal tube 41 are located at the inside of liner 3, and connecting terminal 42 is located at the outside of liner 3,
Shell includes staving 1 and the end cap 2 for being located at 1 oral area of staving, and end cap 2 is equipped with groove, and bottom portion of groove is equipped with service hatch 21, groove
It is interior to be equipped with cover board, it is equipped with thermal insulating seat 61 between liner 3 and end cap 2, is provided with wiring hole, connecting terminal 42 and wiring on thermal insulating seat 61
Hole is opposite, and wiring hole and service hatch 21 are opposite, and waterproof insulation fire-retardant ring 101, waterproof insulation fire-retardant ring 101 are equipped at service hatch 21
Middle part is equipped with waterproof wiring cylinder 102；Cover board is equipped with electrical part 9, one end of waterproof wiring cylinder 102 and waterproof insulation fire-retardant ring
101 connections, the other end of waterproof wiring cylinder 102 abut against cover board, and electrical part 9 and waterproof wiring cylinder 102 are opposite；Waterproof insulation is fire-retardant
The fire-retardant fireproof chamber 7 for being connected to 102 inside of waterproof wiring cylinder, waterproof insulation fire-retardant ring are formed between the side and liner 3 of circle 101
The incubation cavity 8 that blocks water for being connected to 102 outside of waterproof wiring cylinder, fire-retardant fireproof chamber 7 and resistance are formed between 101 other side and cover board
The volumetric ratio of water incubation cavity 8 is 10-1.The volumetric ratio of fire-retardant fireproof chamber 7 and the incubation cavity 8 that blocks water is preferably 5 in the present embodiment.It is first
First, the setting of waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 is enclosed in fire-retardant fireproof chamber 7 so that connecting terminal 42 is in
Interior, when effectivelying prevent having a large amount of water slugs at end cap 2, part water enters on the inside of cover board, and electrical insulation strength is caused to decline；Its
Secondary, the fire-retardant fireproof chamber 7 of relative closure and the incubation cavity 8 that blocks water, the convection current that can effectively reduce heat near connecting terminal 42 are changed
Heat enhances the thermal insulation property of water heater；Again, the almost closed space in 7 inside of fire-retardant fireproof chamber, even if being risen at connecting terminal 42
Fire burning, can also quickly form anaerobic environment and extinguish open fire, so that product is more safe and reliable in use.Specifically make
Used time, after the receiving of end cap 2 directly impact compared with mass-flow, may have a small amount of water flow by gap between end cap 2 and cover board into
Enter interior of shell, but waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 seal completely the locating space of connecting terminal 42,
Water can not be crossed, the drying in space where ensure that electrical component, it is ensured that dielectric strength of the invention is unaffected；Waterproof simultaneously
Flame-resistant insulation circle 101 and waterproof wiring cylinder 102 are also heat-insulating material, again reduce fire-retardant fireproof chamber 7 and block water incubation cavity 8 it
Between heat exchange, improve the thermal insulation property of water heater.
Referring to Fig. 5, according to invention the above embodiments, cover board includes outer cover plate 51 and inner cover plate 52, is set on outer cover plate 51
There is inner cover mounting hole, is equipped with inner cover plate 52 at inner cover mounting hole, electrical part 9 is mounted in inner cover plate 52, waterproof wiring cylinder 102
One end is connect with waterproof insulation fire-retardant ring 101, and the other end of waterproof wiring cylinder 102 abuts against inner cover plate 52.The cover board of this kind of structure
Facilitate the assembly of electrical part 9, and can be improved the sealing effect between waterproof wiring cylinder 102 and cover board.
Referring to Fig. 5, according to invention the above embodiments, inner cover plate 52 is equipped with waterproof reinforced cylinder 521, waterproof wiring cylinder
102 other end protrudes into waterproof reinforced cylinder 521.The setting of waterproof reinforced cylinder 521 can prevent water to waterproof wiring cylinder 102 with it is interior
The impact of contact site between cover board 52 ensure that electrical insulation strength of the invention.
Referring to Fig. 5, according to invention the above embodiments, the length of waterproof wiring cylinder 102 is greater than 1mm.The present embodiment is preferred
For 8.5mm.Guarantee that waterproof wiring cylinder 102 can sufficiently abut against cover board, it is ensured that waterproof effect.
Referring to Fig. 5, according to invention the above embodiments, waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 are integrated knot
Structure.Easy to process, sealing effect is good, and production cost is low.
Referring to Fig. 5, according to invention the above embodiments, waterproof insulation fire-retardant ring 101 is bonded in bottom portion of groove.Waterproof insulation
Fire-retardant ring 101 is easy to assembly, fixed using aforesaid way installation, sealing effect is good, helps to reduce being produced into for product
This.
Referring to Fig. 5, according to invention the above embodiments, waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 are electrical
Insulation polyester film.Electric insulation polyester film has the performances such as good insulation, heat-resisting, weather-proof, insulation, it is ensured that in electricity
It will not be damaged in the service life of water heater.
Referring to Fig. 5, according to invention the above embodiments, the thickness of waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 is equal
Less than 0.7mm.The present embodiment is preferably 0.25mm.Waterproof insulation fire-retardant ring 101 and waterproof wiring cylinder 102 are not take up additionally substantially
Space, facilitate installation, without reopening mold, reduce the production cost of product.
Referring to Fig. 5, according to invention the above embodiments, it is equipped with foam chamber between staving 1 and liner 3, is equipped in foam chamber
Insulating layer 62, insulating layer 62 are structure as a whole with thermal insulating seat 61.Insulating layer 62 is structure as a whole with thermal insulating seat 61, easy to process,
Good heat insulating.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding these embodiments can be changed without departing from the principles and spirit of the present invention, the scope of the present invention by
The following claims and their equivalents limit.
Claims (9)
1. a kind of high waterproof thermal-insulated fire-retardant electric heater including shell, the liner being located in the shell, is located at adding on liner
Hot component and the controller for controlling the heating component, the heating component include electrothermal tube and are located at connecing on the electrothermal tube
Line terminals, the electrothermal tube are located at the inside of the liner, and the connecting terminal is located at the outside of the liner, the shell packet
Staving and the end cap for being located at the staving oral area are included, the end cap is equipped with groove, and the bottom portion of groove is equipped with service hatch, described
It is equipped with cover board in groove, thermal insulating seat is equipped between the liner and the end cap, is provided with wiring hole on the thermal insulating seat, it is described to connect
Line terminals are opposite with the wiring hole, and the wiring hole is opposite with the service hatch, it is characterised in that: are equipped at the service hatch
Waterproof insulation fire-retardant ring, the waterproof insulation fire-retardant ring middle part are equipped with waterproof wiring cylinder；The cover board is equipped with electrical part, described
One end of waterproof wiring cylinder is connect with the waterproof insulation fire-retardant ring, and the other end of the waterproof wiring cylinder abuts against the cover board,
The electrical part is opposite with the waterproof wiring cylinder；The company of being formed between the side and the liner of the waterproof insulation fire-retardant ring
Lead to the fire-retardant fireproof chamber on the inside of the waterproof wiring cylinder, is formed between the other side and the cover board of the waterproof insulation fire-retardant ring
There is an incubation cavity that blocks water being connected on the outside of the waterproof wiring cylinder, the volumetric ratio of the fire-retardant fireproof chamber and the incubation cavity that blocks water is
10-1。
2. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1, it is characterised in that: the cover board includes outer cover plate
And inner cover plate, the outer cover plate are equipped with inner cover mounting hole, and inner cover plate, the electrical part installation are equipped at the inner cover mounting hole
In the inner cover plate, one end of the waterproof wiring cylinder is connect with the waterproof insulation fire-retardant ring, the waterproof wiring cylinder
The other end abuts against the inner cover plate.
3. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 2, it is characterised in that: the inner cover plate is equipped with anti-
Water reinforces cylinder, and the other end of the waterproof wiring cylinder protrudes into the waterproof reinforced cylinder.
4. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the waterproof
The length of wiring cylinder is greater than 1mm.
5. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the waterproof
Flame-resistant insulation circle and the waterproof wiring cylinder are structure as a whole.
6. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the waterproof
Flame-resistant insulation circle is bonded in the bottom portion of groove.
7. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the waterproof
Flame-resistant insulation circle and the waterproof wiring cylinder are electric insulation polyester film.
8. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the waterproof
The thickness of flame-resistant insulation circle and the waterproof wiring cylinder is respectively less than 0.7mm.
9. the waterproof thermal-insulated fire-retardant electric heater of height according to claim 1 to 3, it is characterised in that: the staving
It is equipped with foam chamber between the liner, is equipped with insulating layer in the foam chamber, the insulating layer is integrated with the thermal insulating seat
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576506.6A CN106225220B (en) | 2016-07-19 | 2016-07-19 | A kind of high waterproof thermal-insulated fire-retardant electric heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576506.6A CN106225220B (en) | 2016-07-19 | 2016-07-19 | A kind of high waterproof thermal-insulated fire-retardant electric heater |
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| CN106225220B true CN106225220B (en) | 2019-02-05 |
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| CN108361989A (en) * | 2018-04-23 | 2018-08-03 | 珠海格力电器股份有限公司 | Water tank and water heater with it |
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| EP0264310A2 (en) * | 1986-09-12 | 1988-04-20 | Genie Climatique. Thermique. Aeraulique | Heater for hot water production |
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| CN203615610U (en) * | 2013-12-21 | 2014-05-28 | 陈家显 | Variable frequency generator for electric heater |
| EP2368077B1 (en) * | 2008-12-22 | 2015-08-26 | Ariston Thermo S.P.A. | Flanging unit for storage water heater |
| CN204648646U (en) * | 2015-05-26 | 2015-09-16 | 宁波帅康热水器有限公司 | A kind of leakproof bubble electric heater |
| CN105423538A (en) * | 2014-09-01 | 2016-03-23 | 青岛经济技术开发区海尔热水器有限公司 | Water heater with heat insulation device |
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2016
- 2016-07-19 CN CN201610576506.6A patent/CN106225220B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0264310A2 (en) * | 1986-09-12 | 1988-04-20 | Genie Climatique. Thermique. Aeraulique | Heater for hot water production |
| EP2368077B1 (en) * | 2008-12-22 | 2015-08-26 | Ariston Thermo S.P.A. | Flanging unit for storage water heater |
| CN201983446U (en) * | 2011-01-27 | 2011-09-21 | 海尔集团公司 | Electric water heater |
| CN203615610U (en) * | 2013-12-21 | 2014-05-28 | 陈家显 | Variable frequency generator for electric heater |
| CN105423538A (en) * | 2014-09-01 | 2016-03-23 | 青岛经济技术开发区海尔热水器有限公司 | Water heater with heat insulation device |
| CN204648646U (en) * | 2015-05-26 | 2015-09-16 | 宁波帅康热水器有限公司 | A kind of leakproof bubble electric heater |
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| CN106225220A (en) | 2016-12-14 |
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