CN2896109Y - Heating heat-exchanger of direct-heating electric water-heater - Google Patents
Heating heat-exchanger of direct-heating electric water-heater Download PDFInfo
- Publication number
- CN2896109Y CN2896109Y CN 200520065418 CN200520065418U CN2896109Y CN 2896109 Y CN2896109 Y CN 2896109Y CN 200520065418 CN200520065418 CN 200520065418 CN 200520065418 U CN200520065418 U CN 200520065418U CN 2896109 Y CN2896109 Y CN 2896109Y
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- China
- Prior art keywords
- heating
- heat exchanger
- inner chamber
- heating wire
- water
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- Expired - Fee Related
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
A heating heat-exchanger of direct-heating electric water-heater, comprises a heat-exchanger, a heating wire, an water passage provided on the heat-exchanger with a water inlet pipe, a water outlet pipe installed on the water passage, is characterized in that the heat exchanger forms into an internal cavity, and the water passages are arranged separately on the wall of the heat exchanger. Two adjacent water passages are communicated with each other. The heater is composed by a heating wire rack of non conductor and a heating wire, with the heating wire fixed on the heating wire rack of the non conductor. The heating wire rack fits with the wall of the internal cavity which is enclosed. By adopting the structure, the heat emitted by the electric heating wire is enclosed in the internal cavity, and all heat is absorbed by the heat exchanger to heat the water inside the water heating passage. This way the electric heating wire is isolated from the water, which can provide a high heating efficiency, avoid current leakage, and ensure a long service life.
Description
Technical field
The utility model relates to the direct-heating type electric heater, especially a kind of direct-heating type electric heater's heating heat exchanger.
Background technology
Direct-heating type electric heater's heating heat exchanger is made of heat exchanger, electrical heating wire in the prior art at present, and electrical heating wire is positioned at the circulation water channel, easily causes electric leakage, and electrical heating wire is fragile, and service life is short, and thermal losses is big.
Summary of the invention
The purpose of this utility model is: a kind of direct-heating type electric heater's heating heat exchanger is provided, and it is thermal efficiency height not only, and can prevent electric leakage, long service life.
The utility model is achieved in that a kind of direct-heating type electric heater's heating heat exchanger comprises heat exchanger, heater strip, has water channel on the heat exchanger, water inlet pipe, outlet pipe are installed on it, its special character is: described heat exchanger surrounds an inner chamber, and water channel is arranged on the heat exchanger wall at interval, and adjacent two water channels are communicated with, heating guide frame, heater strip by electrical insulator constitute heater, heater strip is fixed on the heating guide frame of electrical insulator, and the heating guide frame cooperates with internal chamber wall, and inner chamber is sealed.
Described direct-heating type electric heater's heating heat exchanger, its special character is: described inner chamber is " U " shape, has upper shed, under shed, side opening; The fixedly groove of heating wire is arranged on the two sides of described electric heating guide frame, and heating wire is fixed in the groove of side, and there is projection two sides, electric heating guide frame surrounding, and projection cooperates with the wall body of inner chamber, and inner chamber is sealed.
Described direct-heating type electric heater's heating heat exchanger, its special character is: described inner chamber has upper and lower opening, the fixedly groove of heating wire is arranged on the two sides of described electric heating guide frame, heating wire is fixed in the groove of side, there is projection two sides, electric heating guide frame surrounding, projection cooperates with the wall body of inner chamber, and inner chamber is sealed.
Described direct-heating type electric heater's heating heat exchanger, its special character is: described heat exchanger is made of copper pipe, lining body, and copper pipe is arranged in the shape of a spiral, and copper pipe is positioned at the lining body of heat conduction.
The utility model direct-heating type electric heater's heating heat exchanger, described heat exchanger surrounds an inner chamber, water channel is arranged on the heat exchanger wall at interval, adjacent two water channels are communicated with, the heating guide frame of electrical insulator, heater strip constitute heater, heater strip is fixed on the heating guide frame of electrical insulator, and the heating guide frame cooperates with internal chamber wall, the inner chamber sealing.Adopt such structure, the heat that heating wire sends is closed in the inner chamber, and whole heats are used for heating the water of water channel by heat exchanger, and heating wire and water are isolated like this, thus its thermal efficiency height not only, and can prevent to leak electricity long service life.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the A-A view of the utility model Fig. 1.
Fig. 3 is the B-B view of Fig. 1.
Fig. 4 is the cutaway view of the another kind of embodiment of the utility model.
Fig. 5 is the another kind of embodiment front view of the utility model heat exchanger.
Fig. 6 is the C-C view of the utility model Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of direct-heating type electric heater's heating heat exchanger comprises heat exchanger 1, heater strip 6, have water channel 7 on the heat exchanger 1, water inlet pipe 2, outlet pipe 3 are installed on the heat exchanger 1, heat exchanger 1 surrounds an inner chamber 4, water channel 7 is arranged on heat exchanger 1 wall at interval, adjacent two water channels 7 are communicated with, and constitute heater by heating guide frame 5, the heater strip 6 of electrical insulator, and heater strip 6 is fixed on the heating guide frame 5 of electrical insulator, heating guide frame 5 cooperates with inner chamber 4 walls, inner chamber 4 sealings.
As shown in Figure 2, described inner chamber 4 is " U " shape, has upper shed 42, under shed 43, side opening 41; The fixedly groove 51 of heating wire is arranged on the two sides of described electric heating guide frame 5, heating wire 6 is fixed in the groove 51 of side, heating wire 6 is " snake " shape and arranges, projection 52 is arranged on the two sides of electric heating guide frame 5 peripheries, projection 52 is with inner chamber 4 upper sheds 42, under shed 43, side opening 41 sealings, and projection 52 cooperates fixing with inner chamber 4 sealings with the inwall of inner chamber 4; Heating wire 6 stretches out from projection 52; Water enters first water channel 71 by water inlet pipe 2, through second water channel 72, the 3rd water channel 73, the 4th water channel 74, through outlet pipe 3 flowing water, as the utility model six, eight water channels can be arranged by the 4th water channel 74 successively.
As shown in Figure 4, described inner chamber 4 has upper and lower opening 42,43, the fixedly groove 51 of heating wire is arranged on the two sides of described electric heating guide frame 5, heating wire 6 is fixed in the groove 51 of side, heating wire 6 is " snake " shape and arranges, projection 52 is arranged on the two sides of electric heating guide frame 5 peripheries, and electric heating guide frame 5 projectioies 52 are sealed the upper and lower opening 42,43 at inner chamber 4 two ends, and cooperate fixing with the inwall of inner chamber 4; Heating wire 6 stretches out from projection 52.
As Fig. 5, shown in Figure 6, described heat exchanger 1 is made of copper pipe 8, lining body 9, and copper pipe 8 is arranged in the shape of a spiral, and copper pipe 8 is positioned at the lining body 9 of heat conduction, also has an inner chamber 4.
Claims (4)
1, a kind of direct-heating type electric heater's heating heat exchanger comprises heat exchanger, heater strip, has water channel on the heat exchanger, water inlet pipe, outlet pipe are installed on it, it is characterized in that: described heat exchanger surrounds an inner chamber, and water channel is arranged on the heat exchanger wall at interval, and adjacent two water channels are communicated with, heating guide frame, heater strip by electrical insulator constitute heater, heater strip is fixed on the heating guide frame of electrical insulator, and the heating guide frame cooperates with internal chamber wall, and inner chamber is sealed.
2, direct-heating type electric heater's according to claim 1 heating heat exchanger is characterized in that: described inner chamber is " U " shape, has upper shed, under shed, side opening; The fixedly groove of heating wire is arranged on the two sides of described electric heating guide frame, and heating wire is fixed in the groove of side, and there is projection two sides, electric heating guide frame surrounding, and projection cooperates with the wall body of inner chamber, and inner chamber is sealed.
3, direct-heating type electric heater's according to claim 1 heating heat exchanger, it is characterized in that: described inner chamber has upper and lower opening, the fixedly groove of heating wire is arranged on the two sides of described electric heating guide frame, heating wire is fixed in the groove of side, there is projection two sides, electric heating guide frame surrounding, projection cooperates with the wall body of inner chamber, and inner chamber is sealed.
4, direct-heating type electric heater's according to claim 1 heating heat exchanger is characterized in that: described heat exchanger is made of copper pipe, lining body, and copper pipe is arranged in the shape of a spiral, and copper pipe is positioned at the lining body of heat conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520065418 CN2896109Y (en) | 2005-10-10 | 2005-10-10 | Heating heat-exchanger of direct-heating electric water-heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520065418 CN2896109Y (en) | 2005-10-10 | 2005-10-10 | Heating heat-exchanger of direct-heating electric water-heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2896109Y true CN2896109Y (en) | 2007-05-02 |
Family
ID=38065685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520065418 Expired - Fee Related CN2896109Y (en) | 2005-10-10 | 2005-10-10 | Heating heat-exchanger of direct-heating electric water-heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2896109Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455055A (en) * | 2010-10-19 | 2012-05-16 | 威图电子机械技术(上海)有限公司 | Novel heat exchanger heating device |
-
2005
- 2005-10-10 CN CN 200520065418 patent/CN2896109Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455055A (en) * | 2010-10-19 | 2012-05-16 | 威图电子机械技术(上海)有限公司 | Novel heat exchanger heating device |
| CN102455055B (en) * | 2010-10-19 | 2013-10-02 | 威图电子机械技术(上海)有限公司 | Heat exchanger heating device |
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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 |