CN2323306Y - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN2323306Y CN2323306Y CN 98226432 CN98226432U CN2323306Y CN 2323306 Y CN2323306 Y CN 2323306Y CN 98226432 CN98226432 CN 98226432 CN 98226432 U CN98226432 U CN 98226432U CN 2323306 Y CN2323306 Y CN 2323306Y
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- inner bag
- electric heater
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model provides a pedestal column type electric water heater, wherein, the structure of which is almost similar to an existing electric water heater, and the utility model has the main improved point that the external shape of the utility model forms a column shape and the utility model is provided with two layers of heat insulating layers (2); an electric heating device (6) forms a star shape and the length of the electric heating device (6) is not less than 800 mm, and the outside diameter of the electric heating device is not less than fai 12 mm. The utility model has the advantages of favorable heat insulating performance, little power consumption, dry burning and scale removing, being an ideal household electric water heater.
Description
The utility model belongs to the domestic water heating technique, is specifically related to a kind of family expenses floor standing electric water heater.
Existing electric heater is the round barrel shape suspension type mostly, " Ali Si " electric heater that original-pack or joint venture produces such as import, although compare advantage such as have sanitation and hygiene, easy to use with gas heater, but because it only has one deck heat-insulation layer, and thickness is generally about 3cm, thereby heat-insulating property difference and cause energy consumption higher; And because the electric heater area of dissipation is little, impossible dry combustion method can't solve heater surfaces scale problems etc., has restricted being widely used of existing electric heater.
The purpose of this utility model is to provide a kind of good heat insulating, electric heater can the dry combustion method scale removal, suitable family is the floor standing electric water heater of rural households' use particularly, or title domestic hot water supply center, overcoming the deficiency of prior art, and satisfy the particularly consumer need of rural households of family.
The realization the purpose of this utility model is taked following technical scheme:
One, adds thick insulation layer.Because the consideration of production cost, the preferred scheme of the utility model is to take to form heat-insulation layer by two kinds of different materials, and promptly near inner bag place adopts the polyurethane foaming layer, between polyurethane foaming layer and shell, adopts the foamed polystyrene layer.
Two, strengthen electric heater surface radiating area, make it under the prerequisite of equal caloric value, surface temperature rise is lower, so that under the dehydration dry-fire condition, guarantees that electric heater can not be damaged in inner bag.And the technical scheme that strengthens the surface radiating area is: (1) strengthens the electric heater diameter; (2) length of the electric heating tube of lengthening electric heater.Like this, when the electric heating tube of electric heater used and during fouling, only needs emptying inner bag ponding through the regular period, the energising dry combustion method, the cold water that reinjects, fouling promptly can be peeled off voluntarily.
The novel concrete structure of this use is: its monnolithic case is column shape (circular cylindrical shape or square column).It comprises shell, heat-insulation layer, cold water inlet, hot water outlet pipe, temperature controller, electric heater, inner bag.And said heat-insulation layer has 2 layers, the water inlet of cold water inlet is set in the bottom of inner bag, hot water outlet pipe's delivery port is set in the top of inner bag, place, bottom at inner bag is provided with the blowdown outlet, the last temperature measuring head of said temperature controller is located at inner bag top, and temperature measuring head then is located at the inner bag bottom under it.
Said electric heater (6) is " " shape, and its length of run is not less than 800mm, and its external diameter is not less than φ 12mm, and this electric heater is set in the bottom of inner bag.
The preferred heat-insulation layer of the utility model is made up of the two-layer institute of polyurethane foaming layer and foamed polystyrene layer, and the thickness of polyurethane foaming layer is not less than 3cm, and the thickness of foamed polystyrene layer is not less than 4cm.
The further improvement of the utility model point is to be provided with the overtemperature prote device on the top of inner bag, and said overtemperature prote device series duplex metal sheet protector (promptly such as bimetallic thermometer), and be connected on the electric power incoming line.When the water temperature rising surmounted the control temperature upper limit, the bimetal leaf protector was opened, and cuts off the electricity supply, and temperature controller and electric heater quit work.When water temperature falls after rise to controlling temperature upper limit when following, bimetal leaf protector closure is connected power supply, temperature controller and electric heater work.
Further improvement of the utility model point also is: the temperature control plate of temperature controller is located at the front of shell, and display lamp then is located at the positive adjacent side position of loam cake.
The utility model compared with the prior art, its good heat insulating, energy consumption are low relatively, the electric heating tube dry combustion method can not damage, the characteristics that can realize the dry combustion method scale removal are conspicuous.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is for the utility model is faced half-sectional view.
Fig. 2 is the block diagram of temperature controller of the present utility model.
See also accompanying drawing 1, the utility model important actor shape (also can be cylindric or other polygonal column) that is square, its shell (1) adopt the common cold-rolled steel sheet of 0.8mm to make welding fabrication, surface plastic spraying.Loam cake (18) adopts ABS engineering plastics mould to form shape.Heat-insulation layer (2) is two-layer, is made up of polyurethane foaming layer (14) and the thick foamed polystyrene layer (15) of 4cm that 3cm is thick.Cold water inlet (3) and hot water outlet pipe (4) adopt the thick gapless stainless steel tube of φ 25mm * 1mm to make.The water inlet (8) of cold water inlet (3) is set in the bottom of inner bag (7), and hot water outlet pipe's (4) delivery port (9) is set in the top of inner bag (7), inner bag (7) be "
" shape, adopt the thick corrosion resistant plate of 1mm through the mold pressing welding forming.Be provided with blowdown outlet (10) in the bottom of inner bag (7), connect in the exposed section of blowdown outlet (10) valve is housed.The outer tube of electric heater (6) adopts the thick gapless stainless steel tube of φ 14mm * 1mm, and electrical heating wire adopts φ 1mm nichrome wire and processes shape in the shape of a spiral, and its power is 1.5Kw, fills out between electrical heating wire and outer tube and establishes graininess magnesia.This electric heater (6) can adopt the product of being produced by Wuxi City electric heating appliance factory.The last temperature measuring head (12) of said temperature controller (5) is set on the lateral wall on inner bag (7) top, and temperature measuring head (13) is set on the lateral wall of inner bag (7) bottom down.The overtemperature prote device (11) that the series duplex metal sheet is formed is set on the lateral wall on inner bag (7) top.Its temperature control plate (16) is located at right part on the front of shell (1), and its display lamp (17) then is located at the positive adjacent side position of loam cake (18).On the bottom face of shell (1), be provided with 4 adjustable pad pin (23).
The working condition of temperature controller of the present utility model (5) sees also accompanying drawing 2, and it is made up of temperature control plate (16), power panel (19) and upper and lower temperature measuring head (12), (13) etc.On temperature control plate (16), be provided with charactron temperature display (20), temperature control key (21) and temperature adjustment cue mark (22).Last temperature measuring head (12) is connected with power panel (19) by lead respectively with following temperature measuring head (13), and power panel (19) is connected by one group of lead with temperature control plate (16).When reality was used, after the power line of power panel (19) was connected power supply, temperature controller (5) was started working.By pushing temperature control key (21) design temperature (going up readable) at display screen (20), display lamp (17) to add thermal display light pipe H shinny, electric heater (6) work, when the water temperature liter reaches design temperature, last temperature measuring head (12) (temperature sensor) reaches temperature control plate (16) with signal, and temperature control plate (16) is reacted at once and sent instruction, and order is located at the relay work on the power panel (19), cut off the power supply of electric heater (6), electric heater (6) heating that then quits work.Otherwise when being reduced to design temperature under the water temperature, temperature controller (5) working condition is opposite, electric heater (6) work heating.When at keeping warm mode, the insulation of display lamp (17) shows that fluorescent tube W is shinny, and electric heater (6) is not worked.Following temperature measuring head (13) then is used for controlling the break-make of electric heater (6).The temperature controller that the utility model adopted (5) is the product of being produced by Wujin city Luoyang electronic apparatus factory.
The utility model can be laid on the ground, connects running water by check-valves respectively, hot water is connected to feedwater such as kitchen, bathroom and washing room from hot water outlet for using.But the utility model appellation domestic hot water supply center.
Detect by detection department, the utility model adopts the 1.5KW electric heater, and the insulation power consumption only is 0.3 kilowatt hour/every day.
Claims (4)
1. an electric heater comprises shell (1), heat-insulation layer (2), cold water inlet (3), hot water outlet pipe (4), temperature controller (5), electric heater (6), inner bag (7), it is characterized in that:
Its profile is the column shape, said heat-insulation layer (2) has 2 layers, the water inlet (8) of cold water inlet (3) is set in the bottom of inner bag (7), hot water outlet pipe's (4) delivery port (9) is set in the top of inner bag (7), place, bottom at inner bag (7) is provided with blowdown outlet (10), the last temperature measuring head (12) of said temperature controller (5) is located at inner bag (7) top, and temperature measuring head (13) then is located at inner bag (7) bottom under it;
Said electric heater (6) is " " shape, and its length of run is not less than 800mm, and its external diameter is not less than φ 12mm, and this electric heater (6) is set in the bottom of inner bag (7).
2. according to the said electric heater of claim 1, it is characterized in that said heat-insulation layer (2) is made up of the two-layer institute of polyurethane foaming layer (14) and foamed polystyrene layer (15), and the thickness of polyurethane foaming layer (14) is not less than 3cm, and the thickness of foamed polystyrene layer (15) is not less than 4cm.
3. according to claim 1 and 2 said electric heaters, it is characterized in that being provided with overtemperature prote device (11) on the top of inner bag (7), and said overtemperature prote device (11) series duplex metal sheet protector, and be connected on the electric power incoming line.
4. according to claim 1 and 2 said electric heaters, it is characterized in that the temperature control plate (16) of said temperature controller (5) is located at the front of shell (1), display lamp (17) then is located at the positive adjacent side position of loam cake (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226432 CN2323306Y (en) | 1998-04-08 | 1998-04-08 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226432 CN2323306Y (en) | 1998-04-08 | 1998-04-08 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2323306Y true CN2323306Y (en) | 1999-06-09 |
Family
ID=33976948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98226432 Expired - Fee Related CN2323306Y (en) | 1998-04-08 | 1998-04-08 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2323306Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765016A (en) * | 2016-11-14 | 2017-05-31 | 美的集团股份有限公司 | Steam generator and its scale removal control method, device and electrical equipment |
-
1998
- 1998-04-08 CN CN 98226432 patent/CN2323306Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765016A (en) * | 2016-11-14 | 2017-05-31 | 美的集团股份有限公司 | Steam generator and its scale removal control method, device and electrical equipment |
| CN106765016B (en) * | 2016-11-14 | 2019-04-02 | 美的集团股份有限公司 | Steam generator and its scale removal control method, device and electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |