CN104654558A - Dual-heating-body structured electric water heater - Google Patents
Dual-heating-body structured electric water heater Download PDFInfo
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- CN104654558A CN104654558A CN201510078258.8A CN201510078258A CN104654558A CN 104654558 A CN104654558 A CN 104654558A CN 201510078258 A CN201510078258 A CN 201510078258A CN 104654558 A CN104654558 A CN 104654558A
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a dual-heating-body structured electric water heater. The dual-heating-body structured electric water heater comprises a shell, wherein a preheating heating body and an instant-heating heating body are sequentially arranged in the shell along the water flowing direction, the preheating heating body comprises a heating body main body, a U-shaped electric heating rod is arranged in the heating body main body through die-casting, an upper cover and a lower cover are arranged at the upper and lower sides of the heating body main body, the heating body main body is hermetically covered by the upper and lower covers, meanwhile, a heating chamber is defined by the heating body main body, the upper cover and the lower cover through enclosing, the instant-heating heating body comprises an upper waterway plate and a lower waterway plate, and two rows of electric heating tubes coated with electric heating film are arranged between the upper waterway plate and the lower waterway plate. According to the dual-heating-body structured electric water heater, the preheating heating body is heated by adopting the traditional metallic electric heating rod, and the instant-heating heating body is heated by adopting quartz electric-heating-film tubes, so that both the power loss and use safety are guaranteed.
Description
Technical field
The present invention relates to instant electric water heater.
Background technology
Immediately heating water heater generally adopts the electrothermal tube heating being coated with Electric radiant Heating Film, the principle of this kind of heating technique has plated one deck Electric radiant Heating Film at quartz ampoule (glass) outer wall, by being transferred heat to the water in quartz ampoule after heated by electrothermal film by quartz ampoule pipe, because the thermal conductivity of quartz (glass) is not fine, so in heat transfer process, heat can lose in a large number, cause the efficiency of heating surface not high, also have, the Electric radiant Heating Film being plated in outer wall can slowly decay in passing in time, the efficiency of heating surface will be thereupon more and more lower, in addition, power ratio needed for work is larger, peak power can reach about 6--7KW, not only can produce very large noise, and easily there is safety problem.
Summary of the invention
Technical problem to be solved by this invention is just to provide the instant electric water heater of a kind of pair of heating element structure, while ensureing Fast Heating, improves the security used.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the electric heater of a kind of pair of heating element structure, comprise housing, preheating heater and instant heating heater is provided with successively along current trend in described housing, described preheating heater comprises heater main body, in described heater main body, die casting has the electrical bar of U-shaped, on the upside of described heater main body and downside is provided with upper cover and lower cover, the capping of heater body seal encloses between three simultaneously forms heating chamber by described upper cover and lower cover, described preheating heater is provided with cold water inlet and is communicated with heating chamber with preheating water outlet, described instant heating heater comprises water-supply line plate, sewer plate, the electrothermal tube that two rows are coated with Electric radiant Heating Film is provided with between water-supply line plate and sewer plate, the two ends of electrothermal tube are seal-installed on water-supply line plate and sewer plate by sealing ring, electrothermal tube two ends are all connected with electrode, be provided with water channel in described water-supply line plate and sewer plate to be communicated with electrothermal tube port, the passage of water channel and electrothermal tube waveform in series, the two ends that described sewer plate is provided with preheating water entrance and hot water outlet and passage are connected, the preheating water outlet of described preheating heater is communicated with the preheating water entrance of instant heating heater.
As preferably, heating water channel is surrounded between described heater body upper surface and upper cover lower surface, surround between described heater body lower surface and lower cover upper surface and issue hot water channels, the end of described upper heating water channel is communicated with by outlet pass with between the head end issuing hot water channels, cover on described and be provided with cold water inlet and be communicated with the head end of upper heating water channel, cover under described and be provided with preheating water outlet and be communicated with the end issuing hot water channels.
As preferably, described upper heating water channel and issue the flat segments heating water channel section composition that hot water channels is parallel to each other by some sections, between adjacent flat straight section heating water channel, head and the tail are communicated with.
The present invention is provided with preheating heater and instant heating heater two heaters in immediately heating water heater, wherein preheating heater first carries out preheating to cold water, instant heating heater then carries out Fast Heating to the warm water of preheating, thus Fast Heating can either be ensured, the power of instant heating heater can be reduced again, improve the security used.The more important thing is, preheating heater and instant heating heater select heater element according to its heat characteristic, what wherein preheating heater adopted is traditional metal electric hot pin heating, and the employing of instant heating heater is the heating of quartzy electric heating membrane pipe, no matter be that power attenuation or the security of use are obtained for guarantee.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the decomposition texture schematic diagram of instant heating heater;
Fig. 2 is shell structure schematic diagram;
Fig. 3 is the fit structure schematic diagram of electrothermal tube and waste heat tank in instant heating heater;
Fig. 4 is the contour structures schematic diagram of preheating heater;
Fig. 5 is the decomposition texture schematic diagram of preheating heater.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of instant electric water heater, comprises housing 2, is provided with preheating heater 3 and instant heating heater 1 successively in described housing 2 along current trend.Wherein, the power of described preheating heater 3 is less than the power of instant heating heater 2.
As shown in Figure 1, described instant heating heater comprises water-supply line plate 12, sewer plate 11, the electrothermal tube 13 that two rows are coated with Electric radiant Heating Film is provided with between water-supply line plate and sewer plate, the two ends of electrothermal tube are seal-installed on water-supply line plate and sewer plate by sealing ring 15, electrothermal tube two ends are all connected with electrode 16, be provided with water channel in described water-supply line plate and sewer plate to be communicated with electrothermal tube port, the passage of water channel and electrothermal tube waveform in series, described sewer plate is provided with preheating water entrance 110 and hot water outlet 111 is connected with the two ends of passage.
Wherein, be provided with pull bar 14 between described water-supply line plate 12 and sewer plate 11 and support, described electrothermal tube is also connected with Overtemp. protector 19.Described preheating water porch is provided with water flow sensor 112 and inflow temperature sensor 113, and described hot water exit is provided with leaving water temperature sensors 114.
As shown in Figure 2, described housing 2 comprises drain pan 24 and is covered in the protecgulum 20 on drain pan, protecgulum frame 22 is provided with outside protecgulum, drain pan frame 27 is provided with outside drain pan, drain pan is provided with binding post 25, power supply and drive circuit board 26, described protecgulum is provided with control circuit board 23, tempering panel 21 is provided with on front side of protecgulum, described tempering panel is provided with touch control screen and colorful display screen, described touch control screen and colorful display screen are electrically connected with control circuit board, colorful display screen shows inflow temperature in real time, leaving water temperature, discharge, heat time, water consumption, power consumption.
Wherein, described electrode is electrically connected with drive circuit board, and Overtemp. protector is connected with power electric, and Overtemp. protector is cut off the electricity supply when detecting the improper overtemperature of electrothermal tube.Control circuit board gathers real-time traffic by water flow sensor, inflow temperature sensor and leaving water temperature sensors and input and output water temperature data works to control instant heating heater.
As shown in Figure 3, described electrothermal tube 13 outside is provided with a waste heat tank 10, and after described waste heat tank is provided with the tank entrance and outflow waste-heat flowing into cold water, the tank of warm water exports, and described tank outlet is communicated with preheating water entrance 110.Described waste heat tank 10 comprises the casing 101 of both sides, two side box bodies are positioned at the both sides of instant heating heater and are fixed as one by split bolt, tank ends is respectively equipped with water inlet 103 and is communicated with cabinets cavity with delivery port 104, the water inlet of two side box bodies is connected with an inlet triplet for water, inlet triplet for water is provided with a tank entrance, the delivery port of two side box bodies is connected with an outlet three way, outlet three way is provided with a tank outlet, gap between the corresponding adjacent electrothermal tube of described casing is provided with protuberance, the protuberance 102 of two side box bodies inserts the gap between adjacent electrothermal tube and is docking together and to be surrounded by electrothermal tube.Described tank entrance and tank outlet are equipped with check valve.
In the advantage of electrothermal tube 13 outer setting waste heat tank 10 be: electrothermal tube 13 is while its internal water of heating, the waste heat that cold water absorption electrothermal tube in waste heat tank 10 gives off makes water temperature raise, then the water through waste-heat enters in electrothermal tube by further Fast Heating, therefore the abundant waste heat that make use of electrothermal tube, also can reduce the power of electrothermal tube further simultaneously, reduce power attenuation, extend service life, improve the thermal efficiency.
As shown in Figure 4 and Figure 5, described preheating heater 3 comprises heater main body 30, in described heater main body, die casting has the electrical bar of U-shaped, on the upside of described heater main body and downside is provided with upper cover 31 and lower cover 32, the capping of heater body seal is enclosed formation heating chamber by sealing ring 33 by described upper cover and lower cover simultaneously between three, described preheating heater is provided with cold water inlet 311 and is communicated with heating chamber with preheating water outlet, heating water channel 301 is surrounded between described heater body upper surface and upper cover lower surface, surround between described heater body lower surface and lower cover upper surface and issue hot water channels, the end of described upper heating water channel is communicated with by outlet pass with between the head end issuing hot water channels, cover on described and be provided with cold water inlet 311 and be communicated with the head end of upper heating water channel 301, cover under described be provided with preheating water outlet be communicated with the end issuing hot water channels.Described upper heating water channel and issue the flat segments heating water channel section composition that hot water channels is parallel to each other by some sections, between adjacent flat straight section heating water channel, head and the tail are communicated with.Described heater main body is provided with temperature controller 303 and thermo-fuse 302 is connected with electrical bar.
The advantage of above-mentioned preheating heater 3 is adopted to be: cold water enters the upper heating water channel 301 on preheating heater 3 top from the cold water inlet 311 of upper cover 31, generate heat after water channel 301 on flowing through, from upper heating water channel 301 end through outlet pass flow into preheating heater 3 bottom issue hot water channels, upper heating water channel is with to issue hot water channels all roughly S-shaped, to extend the length of heating water channel to make full use of the heat of heater main body 30, because the heat of heater body upper surface and lower surface can all utilize into by this structure, thus can reduce the volume of heater main body and improve the thermal efficiency, thus reduce costs, temperature controller 303 and thermo-fuse 302 can play double insurance effect in heater main body under overheated and dry-fire condition.
Claims (3)
1. the electric heater of a two heating element structure, comprise housing, it is characterized in that: in described housing, be provided with preheating heater and instant heating heater successively along current trend, described preheating heater comprises heater main body, in described heater main body, die casting has the electrical bar of U-shaped, on the upside of described heater main body and downside is provided with upper cover and lower cover, the capping of heater body seal encloses between three simultaneously forms heating chamber by described upper cover and lower cover, described preheating heater is provided with cold water inlet and is communicated with heating chamber with preheating water outlet, described instant heating heater comprises water-supply line plate, sewer plate, the electrothermal tube that two rows are coated with Electric radiant Heating Film is provided with between water-supply line plate and sewer plate, the two ends of electrothermal tube are seal-installed on water-supply line plate and sewer plate by sealing ring, electrothermal tube two ends are all connected with electrode, be provided with water channel in described water-supply line plate and sewer plate to be communicated with electrothermal tube port, the passage of water channel and electrothermal tube waveform in series, the two ends that described sewer plate is provided with preheating water entrance and hot water outlet and passage are connected, the preheating water outlet of described preheating heater is communicated with the preheating water entrance of instant heating heater.
2. the electric heater of according to claim 1 pair of heating element structure, it is characterized in that: between described heater body upper surface and upper cover lower surface, surround heating water channel, surround between described heater body lower surface and lower cover upper surface and issue hot water channels, the end of described upper heating water channel is communicated with by outlet pass with between the head end issuing hot water channels, cover on described and be provided with cold water inlet and be communicated with the head end of upper heating water channel, cover under described and be provided with preheating water outlet and be communicated with the end issuing hot water channels.
3. the electric heater of according to claim 2 pair of heating element structure, is characterized in that: described upper heating water channel and issue the flat segments heating water channel section composition that hot water channels is parallel to each other by some sections, and between adjacent flat straight section heating water channel, head and the tail are communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078258.8A CN104654558A (en) | 2015-02-13 | 2015-02-13 | Dual-heating-body structured electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078258.8A CN104654558A (en) | 2015-02-13 | 2015-02-13 | Dual-heating-body structured electric water heater |
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| Publication Number | Publication Date |
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| CN104654558A true CN104654558A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510078258.8A Pending CN104654558A (en) | 2015-02-13 | 2015-02-13 | Dual-heating-body structured electric water heater |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202328808U (en) * | 2011-12-12 | 2012-07-11 | 沈治国 | Remote-control fast-heating type electric water heater |
| US20120237191A1 (en) * | 2011-03-14 | 2012-09-20 | Clark George J | Electric water heating element |
| CN203533505U (en) * | 2013-10-15 | 2014-04-09 | 浙江华光电器集团有限公司 | Steam generator |
| CN204438488U (en) * | 2015-02-13 | 2015-07-01 | 陈功 | The electric heater of a kind of pair of heating element structure |
-
2015
- 2015-02-13 CN CN201510078258.8A patent/CN104654558A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120237191A1 (en) * | 2011-03-14 | 2012-09-20 | Clark George J | Electric water heating element |
| CN202328808U (en) * | 2011-12-12 | 2012-07-11 | 沈治国 | Remote-control fast-heating type electric water heater |
| CN203533505U (en) * | 2013-10-15 | 2014-04-09 | 浙江华光电器集团有限公司 | Steam generator |
| CN204438488U (en) * | 2015-02-13 | 2015-07-01 | 陈功 | The electric heater of a kind of pair of heating element structure |
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Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |