CN201184676Y - Water heater - Google Patents
Water heater Download PDFInfo
- Publication number
- CN201184676Y CN201184676Y CNU2008200041321U CN200820004132U CN201184676Y CN 201184676 Y CN201184676 Y CN 201184676Y CN U2008200041321 U CNU2008200041321 U CN U2008200041321U CN 200820004132 U CN200820004132 U CN 200820004132U CN 201184676 Y CN201184676 Y CN 201184676Y
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- China
- Prior art keywords
- inner bag
- type inner
- tubular type
- water heater
- water
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- Expired - Lifetime
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides a water heater comprising a heating device. The water heater is characterized in that the heating device comprises an insulated tubular internal bladder (1), an electric heating wire (2) installed inside the tubular internal bladder (1) and two terminals (3) installed at the two ends of the internal bladder (1), wherein the two ends of the electric heating wire (2) are respectively connected with the two terminals (3) to constitute an electric heating circuit; a water inlet (4) and a water outlet (5) of the tubular internal bladder (1) are positioned at the two ends of the inner wall of the tubular internal bladder (1); and the two terminals (3) are respectively positioned at the two ends of the tubular internal bladder (1). The internal bladder of the water heater has small volume, so that a plurality of such tubular internal bladders with the same structure can be combined to form different shapes during the mounting process.
Description
Technical field
The utility model relates to a kind of water heater.
Background technology
The heater of electric heater can adopt the inner bag of electrothermal tube or heating wire formula.Because to take volume little for heating wire, and its shape can be provided with arbitrarily, therefore more is applicable to slim water heater.
As application number is that 200620108689.0 Chinese patent application discloses the two resistance heated structures of a kind of column, it comprises calandria, have a plurality of cavitys in the calandria, it is snakelike that cavity is, heating wire is positioned at middle chamber, and each three direct water flowing of cavity of front and back form two water resistances to reduce the danger of electric leakage.The calandria of snakelike cavity is adopted in this invention, because its calandria is fixing structure, therefore, the place that specific (special) requirements is arranged for the space that water heater is installed, as require to be elongated rectangle or elongated cylindrical is installed on the shower wall, or and gondola water faucet integrally combine and be flat being installed on the bathroom ceiling of square, or when being other shapes and installing, all being difficult to meets the demands installs.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of water heater, and its inner bag volume is little, thereby can reduce the water heater volume, and water heater can also be combined into difformity with a plurality of identical such inner bags and installs.
The water heater that the utility model provides, comprise heater, described heater comprises: the tubular type inner bag of insulation, be installed in the heating wire in the tubular type inner bag and be installed in the binding post at inner bag two ends, the heating wire two ends link with binding post respectively and constitute the electrical heating loop.
Wherein, described tubular type inner bag is at least two, connection in series or in parallel with each other.Perhaps, described tubular type inner bag is at least three, and series, parallel or series-parallel connection connect mutually.
Preferable, the water inlet of described tubular type inner bag and delivery port are positioned at the inwall two ends of tubular type inner bag, and described two binding posts lay respectively at tubular type inner bag two ends.
Preferable, described tubular type inner bag adopts the circular pipe type inner bag, and described water inlet is with respect to the eccentric axis setting of circular pipe type inner bag.
Optionally, described tubular type inner bag adopts the circular pipe type inner bag, and its inwall is provided with the guiding gutter that extends along the inner bag axis direction in spirality.
Optionally, described heating wire is the conveyor screw that is arranged in the tubular type inner bag.
Wherein, insulation admitting pipe and the insulation outlet pipe length that connects the tubular type inner bag satisfies respectively: L＞53r
2, L is the length of water pipe, r is the inside radius of water pipe.
Optionally, described insulation outlet pipe is fixed with the contact rod that is used for earth connection away from an end of tubular type inner bag, and the one end stretches into insulation outlet pipe inside, other end sealing stretch out insulation outlet pipe.
Preferable, described tubular type inner bag, insulation admitting pipe and insulation outlet pipe are arranged in the plane.
As seen from the above, owing to adopt the tubular type inner bag of heating wire heating, it is smaller that the inner bag volume can be made, when mounted, can as required the tubular type inner bag be carried out serial or parallel connection, and the quantity of selecting the tubular type inner bag as required, shape as requested makes up installation, thereby can satisfy multiple installation requirement.
Because the delivery port and the water inlet of tubular type inner bag are positioned at the inner bag two ends, can make the water that enters inner bag fully mobile, do not produce heat build-up.
In addition, can be with the eccentric axis setting of the water inlet of tubular type inner bag with respect to the circular pipe type inner bag, perhaps inner bag inwall inboard is provided with the guiding gutter that spirality is extended along the inner bag axis direction, make the current that enter in the tubular type inner bag form rotary water current, increase the path of current in the tubular type inner bag, prolong heat time heating time, improve the thermal efficiency.
Heating wire can also be made as conveyor screw, can cooperate rotary water current, improve the thermal efficiency.
In addition, use insulating materials making inner bags such as plastics, and, can prevent electric leakage according to the insulation admitting pipe of water resistance method design water heater and the length of insulation outlet pipe.
Can also be provided for the contact rod of earth connection at the delivery port place of insulation outlet pipe, can prevent electric leakage equally, form duplicate protection with the water resistance method.
In addition, owing to can change flexibly, therefore can be set to flatly, save the space according to structure, the shape of water heater of the present utility model.
Description of drawings
Fig. 1 is the heater cross-sectional schematic;
The part enlarged diagram that Fig. 2 analyses and observe for heater;
Fig. 3 is the water heater schematic diagram that comprises two tubular type inner bags;
Fig. 4 is the water heater schematic diagram that comprises two tubular type inner bags;
Fig. 5 is the water heater schematic diagram that comprises three tubular type inner bags.
The specific embodiment
Fig. 1 is the utility model water heater cross-sectional side view.This heater comprises tubular type inner bag 1 and heating wire 2.The cross section of tubular type inner bag 1 can be circle or rectangle etc.Wherein the circular pipe type inner bag is convenient to the current formation eddy flow in the inner bag, and is suitable for manufacturing, and is therefore preferable.Water inlet 4 and delivery port 5 are positioned at tubular type inner bag 1 two ends or near tubular type inner bag 1 two ends, can amass the outflow of becoming silted up so that enter the water of inner bag, avoid accumulating of hot water.
Heating wire 2 in the inner bag extends along the inner bag axis direction twist, so that the rotary water current in the inner bag can fully contact with heating wire 2.Two binding posts 3 that are electrically connected with heating wire 2 two ends lead to the inner bag outside from inboard, tubular type inner bag 1 two ends, this binding post 3 is used to connect.Wherein, heating wire 2 can be made for the nickel chromium triangle material, as Ni80Cr20, Ni60Cr15 etc.
Show the broken section enlarged diagram of heater as Fig. 2, binding post 3 can be fixed on the inner bag by nut 7, and and inner bag between seal by seal washer 6.Wherein, described tubular type inner bag 1 is made with insulating materials, as plastics etc., perhaps is coated with insulating layer coating at tubular type inner bag 1 internal layer.Can also be provided with dry heating temperature controller 8 on tubular type inner bag 1 inwall, to avoid occurring the dry combustion method phenomenon.In the tubular type inner bag 1 flow sensor can also be set, whether have current, whether start water heater with control if being used for monitoring.Because dry heating temperature controller 8, flow sensor and relative control technologies are set is common technology in the water heater, no longer this is given unnecessary details.
Owing to adopt the tubular type inner bag, use heating wire to heat, can reduce the volume of heater, and then a plurality of tubular type inner bags can be carried out series, parallel or series-parallel connection (series-parallel connection refers to contain simultaneously series connection and in parallel) and be connected., to the example shown in Fig. 5 series connection of tubular type inner bag and water heater in parallel are illustrated referring to Fig. 3.
Water heater shown in Fig. 3 and Fig. 4 comprises two tubular type inner bags, and wherein, Fig. 3 shows the water heater of tubular type inner bag series connection, and series pipe can be realized heating step by step, temperature control is simple and easy, waterflow stabilization; Fig. 4 shows the water heater of tubular type inner bag parallel connection, and the flow process of parallel pipeline is short, water resistance is little, heats up rapidly, and wherein can be directly between the inner bag connecting also with tube connector can be with dismountable structure connection (as utilizing joint design such as loose joint).Also show among the figure water heater circuit control panel 14, shell 15, be positioned at the water flow switch 11 on the water inlet pipe because these unit are known water heater common components, Gu Wenzhong repeats no more.
Also show the insulation admitting pipe 9 and the insulation outlet pipe 10 that connect the water heater heater among the figure, wherein, length of pipe satisfies L＞53r
2, L is a length of pipe, r is the water pipe inside radius, so that the water in the pipe forms water resistance, produces the unsafe voltage of human body at water inlet pipe 9 or insulation outlet pipe 10 when avoiding unexpected the electric leakage.Wherein, about the requirement of length of pipe, specifically can be 01135300.7 patent application referring to application number, repeat no more herein.
As shown in the figure; can also be provided with the contact rod 12 that is used for earth connection at insulation outlet pipe 10 away from an end of heater, the one end stretches into insulation outlet pipe 10 inside, other end sealing stretch out insulation outlet pipe 10; at this place's earth connection, also be in order to carry out earth leakage protective.
Water heater as shown in Figure 5 comprises three tubular type inner bags, for the implementation structure compactness, three inner bags are positioned on the horizontal plane and are connected in series successively, the water inlet pipe 9 that is connected with water heater liner surrounds with described three inner bags and constitutes " mouth " word shape, insulation outlet pipe 10 parallel near the inner bag that is connected, the shower nozzle 16 (gondola water faucet) that insulation outlet pipe 10 connected is a flat, is positioned in the middle of " mouth " word shape, and it is other that circuit control panel 14 is positioned at shower nozzle 16.Above-mentioned each unit all is positioned at a horizontal plane, can be installed on the ceiling.Wherein, specifically the layout of each inner bag be not limited to shown in Figure 5, for example, also can three inner bag be parallel to each other be fixed on a side, circuit control panel 14 and shower nozzle 16 are close to the inner bag setting, can realize being arranged in the horizontal plane of water heater compact conformation equally.
Be understood that, connect for circuit, can control respectively the power supply of the heating wire in each tubular type inner bag, thereby can control respectively like this duty of each heating wire, just can be according to needs to hot water temperature or flow, control section tubular type inner bag or all interior heating wire work of tubular type inner bag.
In order to realize temperature auto control, can one temperature sensor be set at water heater insulation outlet pipe place, this temperature sensor is connected to above-mentioned circuit control panel, be used to report the leaving water temperature that is detected, go to control the electrical connection that whether disconnects or connect the heating wire of part tubular type inner bag by the control module in the circuit control panel according to the temperature of leaving water temperature height and user's setting, or the voltage of raising or reduction supply heating wire, to reduce or to accelerate the power of water heater, remain on the temperature that the user sets thereby control leaving water temperature.
Claims (10)
1. water heater, comprise heater, it is characterized in that, described heater comprises: the tubular type inner bag (1) of insulation, be installed in the heating wire (2) in the tubular type inner bag (1) and be installed in the binding post (3) at inner bag (1) two ends, heating wire (2) two ends are connected to form the electrical heating loop with binding post (3) respectively.
2. water heater according to claim 1 is characterized in that, described tubular type inner bag (1) is at least two, connection in series or in parallel with each other.
3. water heater according to claim 1 is characterized in that, described tubular type inner bag (1) is at least three, and series, parallel or series-parallel connection connect mutually.
4. according to claim 1,2 or 3 described water heaters, it is characterized in that the water inlet (4) of described tubular type inner bag (1) and delivery port (5) are positioned at the inwall two ends of tubular type inner bag (1), described two binding posts (3) lay respectively at tubular type inner bag (1) two ends.
5. water heater according to claim 4 is characterized in that, described tubular type inner bag (1) adopts the circular pipe type inner bag, and described water inlet (4) is with respect to the eccentric axis setting of circular pipe type inner bag.
6. water heater according to claim 4 is characterized in that, described tubular type inner bag (1) adopts the circular pipe type inner bag, and its inwall is provided with the guiding gutter that extends along the inner bag axis direction in spirality.
7. water heater according to claim 4 is characterized in that, described heating wire (2) is for being arranged on the conveyor screw in the tubular type inner bag (1).
8. according to claim 1,2 or 3 described water heaters, it is characterized in that the insulation admitting pipe (9) that connects tubular type inner bag (1) satisfies respectively with insulation outlet pipe (10) length: L＞53r
2, L is the length of water pipe, r is the inside radius of water pipe.
9. water heater according to claim 8, it is characterized in that, described insulation outlet pipe (10) is fixed with the contact rod (12) that is used for earth connection away from an end of tubular type inner bag (1), and the one end stretches into insulation outlet pipe (10) inside, other end sealing stretch out insulation outlet pipe (10).
10. water heater according to claim 9 is characterized in that, described tubular type inner bag (1), insulation admitting pipe (9) are arranged in the plane with insulation outlet pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200041321U CN201184676Y (en) | 2008-02-02 | 2008-02-02 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200041321U CN201184676Y (en) | 2008-02-02 | 2008-02-02 | Water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184676Y true CN201184676Y (en) | 2009-01-21 |
Family
ID=40272416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200041321U Expired - Lifetime CN201184676Y (en) | 2008-02-02 | 2008-02-02 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184676Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226572A (en) * | 2011-06-16 | 2011-10-26 | 黄传忠 | Directly-heated electric water heater |
| CN103307753A (en) * | 2013-06-30 | 2013-09-18 | 张秀英 | High-efficiency instant electric water heater |
| CN103322692A (en) * | 2013-07-08 | 2013-09-25 | 淮海工学院 | Passive external electric-insulation wall |
| CN103322667A (en) * | 2013-06-30 | 2013-09-25 | 张秀英 | Ultra-thin instant water heater |
| CN105509305A (en) * | 2015-12-28 | 2016-04-20 | 安徽农业大学 | PTC water heater for automobile air conditioning heating |
| CN105698372A (en) * | 2016-02-05 | 2016-06-22 | 中山市易度工业产品设计有限公司 | Liquid heating device |
| CN110645700A (en) * | 2019-10-23 | 2020-01-03 | 中国科学院宁波材料技术与工程研究所 | Electric heating device for pipeline |
-
2008
- 2008-02-02 CN CNU2008200041321U patent/CN201184676Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226572A (en) * | 2011-06-16 | 2011-10-26 | 黄传忠 | Directly-heated electric water heater |
| CN103307753A (en) * | 2013-06-30 | 2013-09-18 | 张秀英 | High-efficiency instant electric water heater |
| CN103322667A (en) * | 2013-06-30 | 2013-09-25 | 张秀英 | Ultra-thin instant water heater |
| CN103322692A (en) * | 2013-07-08 | 2013-09-25 | 淮海工学院 | Passive external electric-insulation wall |
| CN105509305A (en) * | 2015-12-28 | 2016-04-20 | 安徽农业大学 | PTC water heater for automobile air conditioning heating |
| CN105509305B (en) * | 2015-12-28 | 2018-02-27 | 安徽农业大学 | A kind of PTC water heaters of air conditioning for automobiles heating |
| CN105698372A (en) * | 2016-02-05 | 2016-06-22 | 中山市易度工业产品设计有限公司 | Liquid heating device |
| CN110645700A (en) * | 2019-10-23 | 2020-01-03 | 中国科学院宁波材料技术与工程研究所 | Electric heating device for pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090121 |