CN2648338Y - Plate type electric water heater - Google Patents
Plate type electric water heater Download PDFInfo
- Publication number
- CN2648338Y CN2648338Y CN 03259466 CN03259466U CN2648338Y CN 2648338 Y CN2648338 Y CN 2648338Y CN 03259466 CN03259466 CN 03259466 CN 03259466 U CN03259466 U CN 03259466U CN 2648338 Y CN2648338 Y CN 2648338Y
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- heating
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- plate type
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Abstract
The utility model relates to a plate type electric water heater, which comprises a casing, a sealing layer, a heat-insulating layer, a heating layer of which the outside is covered with an insulating layer, a metal corrugated plate, a control protection circuit, etc., wherein the sealing layer, the heat-insulating layer, the heating layer, the metal corrugated plate and the control protection circuit are symmetrically and orderly distributed from outside to inside; a plate type cavity which is connected with a water inlet pipe and a water outlet pipe is formed between the two metal plates. A water storage container is removed, so the utility model has the advantages of small volume, simple structure and low cost; the heating layer is formed by a longer electric heating wire through bent arrangement and the working temperature of the electric heating wire is reduced, so the utility model enhances the service life and avoid the phenomenon of burning out; the structure of the corrugated plate is compacter; the arrangement of a flow guide plate adds the flow path of the water in the plate type cavity and prevents local temperature in the plate type cavity from rising high.
Description
(1) technical field:
The utility model relates to a kind of electric heater, particularly relates to a kind of board-like electric heater.
(2) background technology:
Electric heater is a kind of household electrical appliance commonly used, and it is to heat to the water in the electric heater by the resistance-type heating to come work.Electric heater of the prior art mostly is the storage water heater greatly; it mainly by shell, place in the housing and store full water airtight inner bag, place heater in the inner bag, place the outer heat-insulation layer of inner bag and inlet and outlet system (comprising water inlet pipe, outlet pipe, mixing valve, safety valve), control system (comprising temperature controller, earth leakage protective device), power line etc. form; wherein heater is the core component of complete machine; it is the tubular metal electrical heating elements; need the water of heating to enter in the airtight inner bag, flow out by the heater heating and by outlet pipe by water inlet pipe.For anti-incrustation scale and anticorrosion, also magnesium anode need be housed in the inner bag.The deficiencies in the prior art part mainly shows: 1, volume is big, and the airtight inner-tube structure of storage water heater has determined this point; 2, the many and complex structure of parts, this must cause the cost of complete machine to rise; 3, the life-span of heating can not be satisfactory, its reason is: a large amount of water has determined that the power of heating is big in the inner bag, this structures shape of existing heater the operating temperature of heating wire higher, this has just influenced the service life of heating, even the burn-off phenomenon of thermo electric material can occur.
(3) summary of the invention:
The utility model aims to provide little, the simple in structure and electric heater of long service life of a kind of volume.
Technical solution of the present utility model is as follows:
A kind of board-like electric heater; comprise shell; place in the housing and the sealant of making by encapsulant that distributes successively of ecto-entad symmetrically; the heat-insulation layer of making by insulation material; by the formed zone of heating of resistance-type heating that is wrapped with insulating barrier; metallic plate; place the water inlet pipe on the housing; outlet pipe and include temperature controller; earth leakage protective device also connects the circuit of heating; power line etc.; the parallel distribution of above-mentioned two metallic plates; leave therebetween much smaller than the length and the wide gap of metallic plate and make tabular cavity of formation between two metallic plates; place the water inlet pipe on the housing; outlet pipe forms a path by the above-mentioned cavity that interlinks with it, and the sample of signal element of temperature controller and earth leakage protective device is loaded on path one side and is used for monitoring whether cut-offfing of the size of current of water temperature and water and then circuit that control connection has heating.
In the above-mentioned technical scheme; the heating of after connecting power supply, working of resistance-type heating; and by the metallic plate transmission; give the heating of the water in the cavity of flowing through; when the sample of signal element in temperature controller and the earth leakage protective device monitors current value in water temperature and the water when surpassing setting value; the circuit that is connected with heating is cut off, the heating heating that quits work.Because directly thereby the water that heats in the path of flowing through has saved the bigger water container of volume, the utility model volume is small and exquisite and simple in structure, and is with low cost; Two-sided tabular electric heating layer structure makes heating surface (area) (HS greatly increase, and under the prerequisite that guarantees power demand, operating temperature of electrothermal element can be relatively low, and this has improved the service life of heating greatly, and has stopped the burn-off phenomenon of thermo electric material.
Further technical scheme is:
Described zone of heating is that the heating wire that is wrapped with insulating barrier is evenly distributed on the same plane through rule after the bend alignment.
Abovementioned technology makes the length of heating wire greatly increase, thereby the operating temperature of heating wire can reduce greatly, and this has further prolonged the service life of heating.
Certainly, the length of heating wire is long more, and promptly the heating wire arrangement is close more in the unit are, and the operating temperature of heating wire can be low more.
Another improvements are:
Described two metallic plates are metal corrugated plate, are wrapped with the groove distribution of the heating wire of insulating barrier along corrugated plating.
This measure makes the structure of electric heater more compact.
Also can evenly and regularly add some deflectors in the tabular cavity described in the utility model so that this tabular cavity is divided into a plurality of unit that link to each other successively.
The positive role of this technical scheme be to increase water in tabular cavity flow process and prevented that local temperature is too high in the tabular cavity.
(4) description of drawings:
Accompanying drawing 1 is the structural representation of first embodiment of the utility model;
Accompanying drawing 2 is the schematic diagram of second embodiment of the utility model;
Each sequence number is respectively among the figure: 1. outlet pipe; 2. shell; 3. sealant; 4. heat-insulation layer; 5. heating wire; 6. insulating barrier; 7. water inlet pipe; 8. tabular cavity; 9. sample of signal element; 10. metal corrugated plate; 11. deflector
(5) specific embodiment:
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail
Accompanying drawing 1 illustrated embodiment is by stainless steel casing 2; place in the housing and the sealant of making by fluid sealant 3 that distributes successively of ecto-entad symmetrically; the heat-insulation layer of making by asbestos 4; be wrapped with mica and teflon insulation layer 6 formed zone of heating by heating wire 5; stainless steel wave card 10; place the water inlet pipe 7 on the housing; outlet pipe 1 and include temperature controller; earth leakage protective device also connects the circuit of heating; power line etc.; above-mentioned two metal corrugated plates are arranged in parallel; leave the gap therebetween and make corrugated plate shape cavity 8 of formation between two metallic plates; place the water inlet pipe 7 on the housing; outlet pipe 1 forms a path by the above-mentioned cavity that interlinks with it 8, and the sample of signal element 9 of temperature controller and earth leakage protective device is loaded on path one side and is used for monitoring whether cut-offfing of the size of current of water temperature and water and then circuit that control connection has heating.
In the above-mentioned technical scheme; resistance-type heating heating wire 5 is wrapped with insulating barrier and distributes along the groove of corrugated plating; after it connects power supply, work and generate heat and conduct heat to the water in the cavity 8 of flowing through by corrugated plating 10; cut off control heating wire 5 place circuit when current value in water temperature and the water surpasses setting value (this circuit is the universal circuit in the electric heater when the sample of signal element 9 in temperature controller and the earth leakage protective device monitors; do not give unnecessary details at this), heating wire 5 heating that quits work.
Because thereby the water that directly heats in the less path of the volume of flowing through has saved the bigger water container of volume, the utility model volume is small and exquisite and simple in structure, and is with low cost; Two-sided tabular electric heating layer structure makes heating surface (area) (HS greatly increase, and under the prerequisite that guarantees power demand, operating temperature of electrothermal element can be relatively low, and this has improved the service life of heating greatly, and has stopped the burn-off phenomenon of thermo electric material.
It is to be noted at this; the utility model is not limited to the concrete structure of above-mentioned two embodiment; mode as the deflector setting just can be done multiple arrangement; heating wire among the embodiment can also Electric radiant Heating Film, ceramic resistor etc. substitutes; sample of signal element in temperature controller and the earth leakage protective device also has multiple choices; as both adopting double-metal sheet type in the temperature controller, also can be electronic type etc.By the way, as long as the heating of the water in the less cavity of volume is directly given in employing,, and can realize the purpose of this utility model substantially substantially even even metallic plate adopts flat board, zone of heating to adopt single-sided structure also can reach the effect that surpasses existing electric heater.
Claims (4)
1; a kind of board-like electric heater; comprise shell; place the sealant of making by encapsulant in the housing; the heat-insulation layer of making by insulation material; the zone of heating that forms by the resistance-type heating that is wrapped with insulating barrier; metallic plate; place the water inlet pipe on the housing; outlet pipe and include temperature controller; earth leakage protective device also connects the circuit of heating; power line etc.; it is characterized in that: above-mentioned shell; sealant; heat-insulation layer; zone of heating; metallic plate ecto-entad symmetrically distributes successively; the parallel distribution of above-mentioned two metallic plates; leave therebetween much smaller than the length and the wide gap of metallic plate and make tabular cavity of formation between two metallic plates; place the water inlet pipe on the housing; outlet pipe forms a path by the above-mentioned cavity that interlinks with it, and the sample of signal element of temperature controller and earth leakage protective device is loaded on path one side and is used for monitoring whether cut-offfing of the size of current of water temperature and water and then circuit that control connection has heating.
2, board-like electric heater according to claim 1 is characterized in that: described zone of heating is that the heating wire that is wrapped with insulating barrier is evenly distributed on the same plane through rule after the bend alignment.
3, board-like electric heater according to claim 1 is characterized in that: described two metallic plates are metal corrugated plate, are wrapped with the groove distribution of the heating wire of insulating barrier along corrugated plating.
4, according to claim 1,2,3 arbitrary described board-like electric heaters, it is characterized in that: add some deflectors in the described tabular cavity so that this tabular cavity is divided into a plurality of unit that link to each other successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03259466 CN2648338Y (en) | 2003-07-10 | 2003-07-10 | Plate type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03259466 CN2648338Y (en) | 2003-07-10 | 2003-07-10 | Plate type electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648338Y true CN2648338Y (en) | 2004-10-13 |
Family
ID=34329018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03259466 Expired - Fee Related CN2648338Y (en) | 2003-07-10 | 2003-07-10 | Plate type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648338Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108473210A (en) * | 2015-12-02 | 2018-08-31 | 哈金森公司 | Metal-insulator component |
-
2003
- 2003-07-10 CN CN 03259466 patent/CN2648338Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108473210A (en) * | 2015-12-02 | 2018-08-31 | 哈金森公司 | Metal-insulator component |
| CN108473210B (en) * | 2015-12-02 | 2022-04-05 | 哈金森公司 | Metal insulating member |
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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: 20041013 |