CN201114834Y - A tube heater for electrical water heater - Google Patents
A tube heater for electrical water heater Download PDFInfo
- Publication number
- CN201114834Y CN201114834Y CNU2007200582756U CN200720058275U CN201114834Y CN 201114834 Y CN201114834 Y CN 201114834Y CN U2007200582756 U CNU2007200582756 U CN U2007200582756U CN 200720058275 U CN200720058275 U CN 200720058275U CN 201114834 Y CN201114834 Y CN 201114834Y
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- tube
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- heating
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Abstract
The utility model relates to the technical field of an electric water heater. A tube-type heater used for electric water heater is presented, which comprises a unit of heat exchange and a heating unit; the unit of heat exchange is a metal multi-tube structure, wherein, at least one tube as a heating tube is used for placing the heating unit and at least one tube is used as a fluid pipe passage tube, pipe joints are arranged at the two ends of the fluid pipe passage tube; the heating tube can be a multi-section structure and is provided with more than one heating units; the unit of heat exchange can be bent to be U-shaped, square-shaped, snakelike or pony roll-shaped. The tube-type heater has the prominent characteristics and substantial progress as follows:1. smaller electric water heater can be manufactured by utilizing the tube-type heater of the utility model; 2. the unit of heat exchange has simple structure, easy manufacturing and low cost; 3. the fluid pipe passage tube is an integral continuous tube without weld spots, and the phenomenon of leakage cannot happen; 4. the tube-type heater of the utility model has more reasonable structure of heat exchanging and higher thermal efficiency; 5. the electric heating tube cannot be contacted with the fluid, thus preventing erosion and scale from being formed and ensuring long service life; 6. by adopting U-shaped or straight tube-shaped electric heating tube, the tube-type heater has low manufacturing cost and stable quality.
Description
Technical field
The utility model relates to the electric heater technical field.Especially the heater of electric heater.
Background technology
To have a volume little because of it for quick electric water heater; heating is fast; advantage such as energy-conservation; it is one of widely used water heater of present family; quick electric water heater is mainly by shell; control circuit and heater three parts constitute; the heater of existing quick electric water heater as shown in Figure 1; constitute by housing 1 and electrothermal tube 2; electrothermal tube 2 inserts in the housing 1; one end of housing 1 is provided with water inlet and connects water inlet pipe 11; the other end of housing 1 is provided with delivery port and connects outlet pipe 12; cold water enters in the housing 1 electrothermal tube 2 with heat from water inlet pipe 11 and carries out becoming after the heat exchange hot water and flow out from outlet pipe 12 and use for the user; heating-up temperature for control heater; control temperature inductor and overtemperature protection temperature inductor are set outside its housing 1 usually; these temperature inductors are electrically connected with control circuit, realize temperature and protection control automatically by control circuit again.
There is following deficiency in present electric heater heater:
1. heater is cylindrical, and the water heater bodily form is thicker.
Time of in heater, stopping of current short, the convective heat transfer effect is relatively poor, current are during through heater, the water of inner different parts forms the obvious temperature difference, influences the heat exchanger effectiveness of heater.
3. more water is arranged in the heater, make firing rate slower.
4. the housing of heater and electrothermal tube are metal material, and solder joint is more, and it is difficult not only to make, and easily leaks.
Heater housing and electrothermal tube be welded into an integral body, scrap the cost height if electrothermal tube damages then whole heater.
6. the electrothermal tube of heater adopts U-shaped or spirality electrothermal tube, electrothermal tube manufacturing process complexity, and electric property is poor than straight tube.
7. the electrothermal tube long period of soaking of heater easily produces incrustation scale in water, easily is corroded, and causes the heat efficiency to reduce, even breakdown.
(application number is: 200520073249.1) " a kind of electric heater " proposes the combine technical scheme of the heater that constitutes electric heater of the absorber plate that is made of the rectangular metal heat absorption tube in cross section and tabular electric heating body to Chinese patent, this scheme has overcome the shortcoming of above-mentioned electric heater heater fully, its weak point is that absorber plate and flat electric heating element structure are complicated, the manufacturing cost height.
Summary of the invention
The purpose of this utility model is that design is a kind of simple in structure, makes easily, volume is little, cost is low, and the life-span is long, safe in utilization, electric heater heater for ease of maintenaince.
The utility model is realized by following technical solution:
A kind of tubular heater that is used for electric heater, include heat exchange body and heater, it is characterized in that: the heat exchange body is a metal multitube structure, be that its cross section has 2 through holes at least, wherein at least one pipe is as the heating tube of placing heater, and at least one pipe is as fluid channel tube, and pipe joint is established at the two ends of fluid channel tube, described metal multitube structure is overall structure or pipe pipe connecting structure, and the form of pipe pipe connecting structure is bonding, welding, snapping or bind.
Further scheme is, described heating tube is a multi-segment structure, installs more than 1 heater on the heating tube.
As optimization, the heat exchange body is bent to U-shaped, the degree of lip-rounding, snakelike or coil shape.
Normally, the heat exchange body is 2 pipe or 3 tubular constructions, and wherein a pipe is heating tube, and all the other pipes are fluid channel tube, and perhaps a pipe is fluid channel tube, and all the other pipes are heating tube.
Heater is selected vertical bar electrothermal tube or U-shaped electrothermal tube usually for use, also can adopt electrical bar.
The cross sectional shape of fluid channel tube and heating tube can be circular, also can be square, rectangle, ellipse or irregular shape,
In said structure, the heating tube of placing heater can substitute with heating tank, and the cross sectional shape of heating tank can be semicircle, also can be
Shape, arc or irregular shape.
During concrete enforcement, the heater following steps for manufacturing:
1. design the cross sectional shape of heat exchange body, wherein: heating tube should match with the shape of electrothermal tube, and the cross section of fluid channel tube can be circular, square, oval or special-shaped.
2. whole or pull out long metal pipe/groove respectively by heat exchange body section shape.
With metal tube on demand specification cut, reserve the pipe joint at fluid channel tube two ends, be bent into required form in case of necessity with the heating tube on the heat exchange body/groove segmentation, and with the heat exchange body, as U-shaped, snakelike or coil shape.
4. electrothermal tube is installed in heating tube/groove.
The utlity model has following characteristics and progress:
1. can make smaller and more exquisite electric heater with the utility model.
2. adopt metal tube to make the heat exchange body, simple in structure, easy to manufacture, cost is low.
3. fluid channel tube is that complete no solder joint is managed continuously, can not produce leakage phenomenon.
4. the heat exchange structure of heater is more reasonable, and the fluid heat exchange is faster, and is more even, and the heat efficiency is higher.
5. electrothermal tube does not contact with fluid, can not corrode, and can not generate incrustation scale, and the life-span is longer.
6. because electrothermal tube adopts U-shaped pipe or straight tube, and manufacture process can realize standardization, automation, not only cost is low, and quality is more stable.
7. if certain root electrothermal tube damages in the heater, as long as change damaged electrothermal tube, heater still can use, and maintenance, use cost are low, and replacing is very easy.
Description of drawings
Fig. 1 is the structural representation of the electric heater heater of now;
Figure a is heat exchange body section of the present utility model (two-tube) schematic diagram;
Figure b is heat exchange body section of the present utility model (three a pipes) schematic diagram;
Figure c is heat exchange body section of the present utility model (pipe one a groove) schematic diagram;
Figure d is heat exchange body section of the present utility model (pipe two a grooves) schematic diagram;
Fig. 2 a, Fig. 2 b are embodiment one structural representation of the present utility model (single heating straight tube); Fig. 2 a is the vertical view of Fig. 2 b.
Fig. 3 a, Fig. 3 b are embodiment two structural representations of the present utility model (two and heating straight tubes); Fig. 3 a is the vertical view of Fig. 3 b.
Fig. 4 a, Fig. 4 b are embodiment three structural representations of the present utility model (two serially add hot U-shaped pipe); Fig. 4 a is the vertical view of Fig. 4 b.
Fig. 5 a, Fig. 5 b are embodiment four structural representations of the present utility model (two strings two and heat U-shaped pipe); Fig. 5 a is the vertical view of Fig. 5 b.
Fig. 6 a, Fig. 6 b are embodiment five structural representations of the present utility model (serially adding hot M shape pipe) more; Fig. 6 a is the vertical view of Fig. 6 b.
Fig. 7 a, Fig. 7 b are embodiment six structural representations of the present utility model (single heating barrels); Fig. 7 a is the vertical view of Fig. 7 b.
Fig. 8 a, Fig. 8 b are embodiment seven structural representations of the present utility model (two serially add hot U-lag pipe); Fig. 8 a is the vertical view of Fig. 8 b.
Fig. 9 a, Fig. 9 b are embodiment eight structural representations of the present utility model (serially adding hot M shape barrel) more; Fig. 9 a is the vertical view of Fig. 9 b.
Embodiment
With reference to figure a and figure b, a kind of tubular heater that is used for electric heater that the utility model proposes, include heat exchange body and electrothermal tube, the heat exchange body is the multitube structure, be that its cross section has 2 through holes at least, as scheme the double pipe structure that a has 2 through holes, be that 2 separate pipes are arranged in the heat exchange body, will be wherein during use a pipe as heating tube, electrothermal tube is installed in the heating tube, wherein a pipe is as fluid channel tube, pipe joint is established at the two ends of fluid channel tube, heating tube and fluid channel tube can be integrative-structures, also can be syndetons, and the form of syndeton can be bonding, welding, snapping or bind etc.
As scheme the three-tube structure that b has 3 through holes, and 3 separate pipes are promptly arranged in the heat exchange body, will wherein a pipe to be as fluid channel tube during use, pipe joint is established at the two ends of fluid channel tube, and all the other 2 as heating tube, and electrothermal tube is installed in the heating tube.Also can be with wherein a pipe to be as heating tube, all the other 2 pipes are as fluid channel tube, and heating tube and fluid channel tube can be integrative-structures, also can be syndetons, and the form of syndeton can be bonding, welding, snapping or bind etc.
With reference to figure c and figure d, heat exchange body of the present utility model includes pipe and groove, and what promptly have the sealing through hole that forms pipe on its cross section and form groove does not seal through hole.
As scheme a pipe one groove structure of c, during use with groove as heating tank, electrothermal tube is installed in the heating tank, as fluid channel tube, pipe joint is established at the two ends of fluid channel tube with pipe.Heating tank and fluid channel tube can be integrative-structures, also can be syndetons, and the form of syndeton can be bonding, welding, snapping or bind etc.
As scheme the pipe dual-slot structure of d, during use with groove as heating tank, electrothermal tube is installed in the heating tank, as fluid channel tube, pipe joint is established at the two ends of fluid channel tube with pipe.Heating tank and fluid channel tube can be integrative-structures, also can be syndetons, and the form of syndeton can be bonding, welding, snapping or bind etc.
Below only mention the simple shape that the heat exchange body is commonly used, during practical application, the cross section of heat exchange body can be designed as required.
Embodiment one,
With reference to figure 2a and Fig. 2 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the heat exchange body is a disjunctor bimetal tube, and wherein a metal tube is made heating tube 3, and another strip metal pipe is made fluid channel tube 1, heating tube 3 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, vertical bar electrothermal tube 2 is installed in heating tube 3, form single heating straight tube structure.
Using method is: the electrode 21 at electrothermal tube 2 two ends is connected to control circuit, pipe joint 11,12 is connected respectively on running water pipe and shower or the tap, by switch on the control circuit and attemperating unit, realize water heater function.
Embodiment two,
With reference to figure 3a and Fig. 3 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the heat exchange body is disjunctor three metal tubes, and wherein a metal tube is made fluid channel tube 1, and 2 strip metal pipes are made heating tube 3 in addition, heating tube 3 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, electrothermal tube 2 is installed in heating tube 3, form two and heat straight tube structure.
Using method and embodiment are together.
Embodiment three,
With reference to figure 4a and Fig. 4 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the structure of heat exchange body is identical with embodiment one, it is a disjunctor bimetal tube, wherein a metal tube is made heating tube 3, another strip metal pipe is made fluid channel tube 1, heating tube 3 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, heating tube 3 middle parts are cut out go one section, fluid channel tube 1 is bent into the U-shaped tubular construction, 2 vertical bar electrothermal tubes 2 are installed respectively in the heating tube 3 of segmentation, are formed two hot U-shaped tubular constructions that serially add.
Using method and embodiment are together.
Embodiment four,
With reference to figure 5a and Fig. 5 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the structure of heat exchange body is identical with embodiment two, be disjunctor three metal tubes, wherein a strip metal pipe is made fluid channel tube 1,2 strip metal pipes are made heating tube 3 in addition, heating tube 3 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, heating tube 3 middle parts are cut out go one section, fluid channel tube 1 is bent into the U-shaped tubular construction, 4 vertical bar electrothermal tubes 2 are installed respectively in the heating tube 3 of segmentation, and it is two and heat the U-shaped tubular construction to form two strings.
4 vertical bar electrothermal tubes 2 can substitute with 2 U-shaped electrothermal tubes.
Using method and embodiment are together.
Embodiment five,
With reference to figure 6a and Fig. 6 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the structure of heat exchange body is identical with embodiment one, it is a disjunctor bimetal tube, wherein a metal tube is made heating tube 3, another strip metal pipe is made fluid channel tube 1, heating tube 3 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, with part multistage in the heating tube 3 (6 sections of this examples), and cut out at minute segment limit place and to go 5 sections, then fluid channel tube 1 is bent into M shape tubular construction, 6 vertical bar electrothermal tubes 2 are installed respectively in the heating tube 3 of segmentation, composition serially adds hot M shape tubular construction more.
6 vertical bar electrothermal tubes 2 can substitute with 3 U-shaped electrothermal tubes.
Using method and embodiment are together.
Embodiment six,
With reference to figure 7a and Fig. 7 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the heat exchange body is a disjunctor metal tube seat, and wherein metallic channel is made heating tank 4, and metal tube is made fluid channel tube 1, heating tank 4 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, vertical bar electrothermal tube 2 is installed in heating tank 4, form single heating straight trough tubular construction.
Using method and embodiment are together.
Embodiment seven,
With reference to figure 8a and Fig. 8 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the structure of heat exchange body is identical with embodiment six, it is a disjunctor metal tube seat, wherein metallic channel is made heating tank 4, metal tube is made fluid channel tube 1, heating tank 4 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, heating tank 4 middle parts are cut out go one section again, fluid channel tube 1 is bent into the U-shaped tubular construction, 2 vertical bar electrothermal tubes 2 are installed respectively in the heating tank 4 of segmentation, are formed two hot U-lag tubular constructions that serially add.
2 vertical bar electrothermal tubes 2 can substitute with 1 U-shaped electrothermal tube.
Using method and embodiment are together.
Embodiment eight,
With reference to figure 9a and Fig. 9 b, the heater of a kind of electric heater that the utility model proposes, include heat exchange body and electrothermal tube 2, the structure of heat exchange body is identical with embodiment six, it is a disjunctor metal tube seat, wherein metallic channel is made heating tank 4, metal tube is made fluid channel tube 1, heating tank 4 two ends sanction is gone, make fluid channel tube 1 two ends reserve pipe joint 11,12, again with part multistage in the heating tank 4 (6 sections of this examples), and cut out at minute segment limit place and to go 5 sections, then fluid channel tube 1 is bent into M shape tubular construction, 3 U-shaped electrothermal tubes 5 are installed in the heating tank 4 of segmentation in twos, composition serially adds hot M shape barrel structure more.
3 U-shaped electrothermal tubes can substitute with 6 vertical bar electrothermal tubes 2.
Using method and embodiment are together.
In above embodiment, the cross sectional shape of fluid channel tube 1 and heating tube 3 can be circular, also can be square, rectangle, ellipse or irregular shape, and the cross sectional shape of heating tank 4 can be a semicircle, also can be
Shape, arc or irregular shape.
In above embodiment, fluid channel tube 1 and heating tube 3 or heating tank 4 also can be syndetons, and the syndeton mode can be technology such as known bonding, welding, snapping or bind, seldom describes at this.
Claims (10)
1. tubular heater that is used for electric heater, include heat exchange body and heater, it is characterized in that: the heat exchange body is a metal multitube structure, be that its cross section has 2 through holes at least, wherein at least one pipe is as the heating tube of placing heater, and at least one pipe is as fluid channel tube, and pipe joint is established at the two ends of fluid channel tube, described metal multitube structure is overall structure or pipe pipe connecting structure, and the form of pipe pipe connecting structure is bonding, welding, snapping or bind.
2. tubular heater as claimed in claim 1 is characterized in that: described heating tube is a multi-segment structure, installs more than 1 heater on the heating tube.
3. tubular heater as claimed in claim 1 is characterized in that: the heat exchange body is bent to U-shaped, the degree of lip-rounding, snakelike or coil shape.
4. tubular heater as claimed in claim 2 is characterized in that: the heat exchange body is bent to U-shaped, the degree of lip-rounding, snakelike or coil shape.
5. as described any tubular heater of claim 1 to 4, it is characterized in that: the heat exchange body is 2 pipe or 3 tubular constructions, and wherein a pipe is heating tube, and all the other pipes are fluid channel tube.
6. as described kind tubular heater of claim 1 to 4, it is characterized in that: the heat exchange body is 2 pipe or 3 tubular constructions, and wherein a pipe is fluid channel tube, and all the other pipes are heating tube.
7. tubular heater that is used for electric heater, include heat exchange body and heater, it is characterized in that: the heat exchange body is a metal disjunctor multitube groove structure, be that its cross section has 1 sealing through hole that constitutes pipe at least, have at least 1 constitute groove do not seal through hole, wherein at least one pipe is as fluid channel tube, pipe joint is established at the two ends of fluid channel tube, at least one pipe/groove is as heating tube/groove of placing heater, described metal multitube groove structure is overall structure or pipe pipe or tube seat syndeton, and the form of pipe pipe or tube seat syndeton is bonding, welding, snapping or bind.
8. tubular heater as claimed in claim 7 is characterized in that: described heating tube seat is a multi-segment structure, installs more than 1 heater on the heating tube/groove.
9. as claim 7 or 8 described tubular heaters, it is characterized in that: the heat exchange body is bent to U-shaped, the degree of lip-rounding, snakelike or coil shape.
10. as claim 7 or 8 described tubular heaters, it is characterized in that: the heat exchange body is 1 pipe 1 groove or 1 pipe, 2 groove structures, and wherein a pipe is fluid channel tube, and groove is a heating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200582756U CN201114834Y (en) | 2007-10-15 | 2007-10-15 | A tube heater for electrical water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200582756U CN201114834Y (en) | 2007-10-15 | 2007-10-15 | A tube heater for electrical water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201114834Y true CN201114834Y (en) | 2008-09-10 |
Family
ID=39966585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200582756U Ceased CN201114834Y (en) | 2007-10-15 | 2007-10-15 | A tube heater for electrical water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201114834Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096527A (en) * | 2011-10-27 | 2013-05-08 | 清华大学 | Electrical heating rod device |
| CN108377585A (en) * | 2018-04-02 | 2018-08-07 | 东海县晶盛源硅微粉有限公司 | A kind of fast quartz heating tube of radiating rate |
-
2007
- 2007-10-15 CN CNU2007200582756U patent/CN201114834Y/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096527A (en) * | 2011-10-27 | 2013-05-08 | 清华大学 | Electrical heating rod device |
| CN103096527B (en) * | 2011-10-27 | 2015-07-15 | 清华大学 | Electrical heating rod device |
| CN108377585A (en) * | 2018-04-02 | 2018-08-07 | 东海县晶盛源硅微粉有限公司 | A kind of fast quartz heating tube of radiating rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20101015 |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20090628 Decision number of declaring invalidation: 13571 Granted publication date: 20080910 |