CN205351746U - Water heater and domestic appliance who has it - Google Patents
Water heater and domestic appliance who has it Download PDFInfo
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- CN205351746U CN205351746U CN201521125333.3U CN201521125333U CN205351746U CN 205351746 U CN205351746 U CN 205351746U CN 201521125333 U CN201521125333 U CN 201521125333U CN 205351746 U CN205351746 U CN 205351746U
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Abstract
The utility model discloses a water heater and domestic appliance who has it, wherein, water heater includes: stainless steel disc, stainless steel disc has the concave part, electric heating pipe, electric heating pipe install in the concave part, aluminium disc, aluminium disc links to each other with stainless steel disc, and electric heating pipe is located in order to give stainless steel disc and aluminium disc with heat transfer between stainless steel disc and the aluminium disc, temperature controller, temperature controller are established and are connected on aluminium disc's surface and with the electric heating pipe electricity. According to the utility model discloses a water heater, simple structure, it is convenient to make, the processing back, stress corrosion's harm is less, compare with the water heater in the correlation technique, the utility model discloses water heater's electric heating pipe's outer wall and stainless steel disc and aluminium disc direct contact have increased heat transfer area, have promoted heat transfer efficiency. Moreover aluminium disc can strengthen stainless steel disc's intensity, consequently, can adopt thinner stainless steel to make stainless steel disc, and save material reduces the thermal resistance for heat transfer efficiency can be higher.
Description
Technical field
This utility model relates to technical field of heating, in particular it relates to a kind of water heater and there are the household electrical appliance of such as washing machine, dish-washing machine, electric iron, insulating pot of this water heater.
Background technology
Water heater is the conventional heater of household electrical appliance of such as washing machine, dish-washing machine, electric iron, insulating pot, and in correlation technique, the electric heating tube of water heater is typically mounted in tank or soldering is on the stainless steel disc being stamped to form.But, electric heating tube is due to its internal structure reason, and the density of magnesia powder cannot be made too high, and there is residual stress, it is easy to stress corrosion occurs, and even stainless steel tube leakage is worn, and water enters magnesia powder and causes the phenomenon leaked electricity with pipe explosion.Additionally, the operating temperature of electric heating tube is higher, if radiating effect is bad, it is easy to make its short service life.
Utility model content
The application is based on inventor to the discovery of following facts and problem and what understanding was made:
The aluminum electric heating tube method that in correlation technique, Application comparison is many is to arrange one block of aluminium sheet between electric heating tube and stainless steel disc, then passes through Welding and forms.But, in this method, electric heating tube only one of which face contacts with good thermal conductor (stainless steel disc), and also has one block of aluminium sheet between electric heating tube and stainless steel disc, adds thermal resistance, the radiating condition causing electric heating tube is bad, shortens the service life of product.Those of skill in the art reduce power density usually by the length lengthening aluminum electric heating tube, thus extending the working life of aluminum electric heating tube, but the volume being so easily caused product increases, for the product that some volumes are limited, the fact that have to accept that the life-span is short, such as we use more hand-held electric kettle, and the life-span probably only has about 2 years, wastes surprising.
Applicant have also found that, for being arranged on the water heater on water pump, those skilled in the art is usually fitted in electrical heating aluminum pipe in the groove of pump cover, although this kind of structure makes the heat transfer area of aluminum electric heater become big, but rustless steel pump cover with groove processing is more complicated, relatively costly.Furthermore, owing to electrical heating aluminum pipe is arranged in groove, external in order to facilitate so that pipe port upwarps, so that the decline of the high voltage performance of electrical heating aluminum pipe and insulating properties.
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent.For this, the utility model proposes a kind of water heater, the simple in construction of this water heater, connect reliable, heat transfer efficiency is high, and heats is good.This utility model also proposes a kind of household electrical appliance with above-mentioned water heater.
Water heater according to this utility model first aspect, including: stainless steel disc, described stainless steel disc has recess；Electric heating tube, described electric heating tube is arranged in described recess；Aluminum dish, described aluminum dish is connected with described stainless steel disc, described electric heating tube between described stainless steel disc and described aluminum dish to transfer heat to described stainless steel disc and described aluminum dish；Temperature controller, described temperature controller is located on the outer surface of described aluminum dish and electrically connects with described electric heating tube.
According to water heater of the present utility model, simple in construction, easily manufactured, after processing, stress increases little, and the harm of stress corrosion is less；Compared with the water heater in correlation technique, the outside wall surface of the electric heating tube of the water heater of this utility model embodiment directly contacts with stainless steel disc and aluminum dish, increases heat transfer area, improves heat transfer efficiency.Furthermore, aluminum dish is connected with a part for stainless steel disc, it is possible to strengthen the intensity of stainless steel disc, it is therefore possible to use thinner stainless-steel sheet manufactures stainless steel disc, saves material cost, reduces thermal resistance so that the heat transfer efficiency of this water heater can be higher.
It addition, according to water heater of the present utility model, it is also possible to there is following additional technical characteristic:
According to an embodiment of the present utility model, described electric heating tube is welded with described stainless steel disc and described aluminum dish by solder, and described aluminum dish is welded by solder with described stainless steel disc.
According to an embodiment of the present utility model, described electric heating tube includes aluminum pipe and the hollow heater strip being located in described aluminum pipe, is filled with in magnesia powder and described hollow heater strip and is filled with magnesia powder between described aluminum pipe and described hollow heater strip.
According to an embodiment of the present utility model, the cross section of described aluminum pipe and described hollow heater strip is trapezoidal.
According to an embodiment of the present utility model, described aluminum dish covers a part for described recess so that the two ends of described electric heating tube are exposed.
According to an embodiment of the present utility model, between the periphery wall of described electric heating tube and described stainless steel disc and described aluminum dish, it is provided with conducting adhesive layer.
According to an embodiment of the present utility model, the axis of the terminals of described electric heating tube is obliquely installed relative to the principal plane of described stainless steel disc and angle of inclination is less than 10 °.
According to an embodiment of the present utility model, first step on the core of the described stainless steel disc perisporium to form described recess and described recess recessed relative to the peripheral part of described stainless steel disc, second step on the core of the described aluminum dish periphery wall to form downward projection of aluminum dish protuberance and described aluminum dish recessed relative to the peripheral part of described aluminum dish, described aluminum dish protuberance coordinates in described recess, and described second step coordinates with described first step.
According to an embodiment of the present utility model, the periphery of the upper surface of described stainless steel disc is along being provided with the core of shirt rim and the described stainless steel disc peripheral part epirelief relative to described stainless steel disc to form stainless steel disc protuberance, described recess is limited by described shirt rim and described stainless steel disc protuberance, the core of described aluminum dish is relative to the peripheral part epirelief of described aluminum dish, and the periphery of described aluminum dish is along being attached on the diapire of described recess.
According to this utility model second aspect household electrical appliance, including: tank, described tank has opening；Water heater, described water heater is the water heater described in above-described embodiment, and described water heater is arranged on described opening part to close described opening.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the portion dress figure of the water heater according to this utility model embodiment and tank；
Fig. 2 is the top view after stainless steel disc and the tank assembling of the water heater shown in Fig. 1；
Fig. 3 is the side view after stainless steel disc and the tank assembling of the water heater shown in Fig. 1；
Fig. 4 is the sectional view after the water heater according to one embodiment of this utility model assembles with tank；
Fig. 5 is the enlarged drawing in the A portion in Fig. 4；
Fig. 6 is the top view of the structure shown in Fig. 4；
Fig. 7 is the axonometric chart of the structure shown in Fig. 4；
Fig. 8 is the explosive view of the structure shown in Fig. 4；
Fig. 9 is the axonometric chart after the water heater according to another embodiment of this utility model assembles with tank；
Figure 10 is the side view after the water heater shown in Fig. 9 assembles with tank；
Figure 11 is the sectional view after the water heater shown in Fig. 9 assembles with tank；
Figure 12 is the enlarged drawing in the B portion in Figure 11；
Figure 13 is the top view of the partial structurtes after the water heater shown in Fig. 9 assembles with tank；
Figure 14 is the explosive view of the structure shown in Fig. 9；
Figure 15 is the installation diagram of the washing machine according to this utility model embodiment and water heater.
Accompanying drawing labelling:
1: washing machine；
100: water heater；
11: stainless steel disc；
111: recess；112: rustless steel protuberance；113: first step；114: shirt rim；
12: electric heating tube；
121: aluminum pipe；1211: conducting adhesive layer；
122: hollow heater strip；
123: magnesia powder；
13: aluminum dish；
131: aluminum dish protuberance；132: aluminum dish recess；133: second step；
14: temperature controller；141: wire；142: securing member；
15: sealing member；
16: thermal cut-off；
200: tank；21: opening.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
The water heater 100 according to this utility model first aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Figure 14.
Water heater 100 according to this utility model embodiment includes stainless steel disc 11, electric heating tube 12, aluminum dish 13 and temperature controller 14.Specifically, stainless steel disc 11 has recess 111, electric heating tube 12 is arranged in recess 111, aluminum dish 13 is connected with stainless steel disc 11, electric heating tube 12 is to transfer heat to stainless steel disc 11 and aluminum dish 13 between stainless steel disc 11 and aluminum dish 13, and temperature controller 14 is located on the outer surface of aluminum dish 13 and electrically connects with electric heating tube 12.
In other words, this water heater 100 is mainly made up of stainless steel disc 11, electric heating tube 12, aluminum dish 13 and temperature controller 14.Wherein, electric heating tube 12 is located between stainless steel disc 11 and aluminum dish 13 and the periphery wall of electric heating tube 12 is connected with the surface of stainless steel disc 11 and aluminum dish 13, and temperature controller 14 is located on aluminum dish 13 and temperature controller 14 electrically connects with electric heating tube 12.Specifically, stainless steel disc 11 has recess 111, aluminum dish 13 is fastened on the recess 111 of stainless steel disc 11 and aluminum dish 13 is connected with at least some of of stainless steel disc 11, limits the mounting groove for installing electric heating tube 12 between recess 111 and the aluminum dish 13 of stainless steel disc 11.
Water heater 100 can be directly arranged in opening 21 place of tank 200, namely the stainless steel disc 11 of water heater 100 closes the opening 21 of tank 200 directly to contact with the water in tank 200, thus realizing the purpose that the water in tank 200 is heated.Specifically, temperature controller 14 can control the connecting and disconnecting of electric heating tube 12, when water heater 100 works, a part of heat of its generation is passed to stainless steel disc 11 by electric heating tube 12, and another part heat produced by electric heating tube 12 passes to aluminum dish 13, stainless steel disc 11 is passed to, thus realizing stainless steel disc 11 to the direct-fired purpose of the water in tank 200 then through aluminum dish 13.
Thus, the water heater 100 according to this utility model embodiment, simple in construction, compact, easily manufactured, after processing, stress increases little, and the harm of stress corrosion is less；Compared with the water heater in correlation technique, the outside wall surface of the electric heating tube 12 of the water heater 100 of this utility model embodiment directly contacts with stainless steel disc 11 and aluminum dish 13, increases heat transfer area, improves heat transfer efficiency.Furthermore, aluminum dish 13 is connected with a part for stainless steel disc 11, it is possible to strengthen the intensity of stainless steel disc 11, it is therefore possible to use thinner stainless-steel sheet manufactures stainless steel disc 11, save material cost, reduce thermal resistance so that the heat transfer efficiency of this water heater 100 can be higher.
In detailed description of the invention more of the present utility model, electric heating tube 12 is welded with stainless steel disc 11 and aluminum dish 13 by solder.That is, it is provided with solder between periphery wall and stainless steel disc 11 and the aluminum dish 13 of electric heating tube 12, electric heating tube 12 is fixedly linked with stainless steel disc 11 and aluminum dish 13 respectively, so can ensure that electric heating tube 12 firmly installs, improve the connection reliability of electric heating tube 12 and other structures, again can so that the heat that electric heating tube 12 produces be ultimately passed to stainless steel disc 11 by solder, heat-transfer effect is good, thus improving the efficiency of heating surface of this water heater 100.Further, aluminum dish 13 is welded by solder with stainless steel disc 11.Thus, both can having improved the connection reliability of aluminum dish 13 and stainless steel disc 11, the heat transfer efficiency between aluminum dish 13 and stainless steel disc 11 can having been improved again, thus improving the efficiency of heating surface of this water heater 100 further.
Wherein, electric heating tube 12 includes aluminum pipe 121 and the hollow heater strip 122 being located in aluminum pipe 121, is filled with in magnesia powder 123 and hollow heater strip 122 and is filled with magnesia powder 123 between aluminum pipe 121 and hollow heater strip 122.With reference to Fig. 4, electric heating tube 12 is main by aluminum pipe 121, hollow heater strip 122 and be filled in the magnesia powder 123 between aluminum pipe 121 and hollow heater strip 122, within hollow heater strip 122 respectively.Specifically, by hollow heater strip 122 traverse aluminum pipe 121, and between the inwall and the outer wall of hollow heater strip 122 of aluminum pipe 121, fill magnesia powder 123, magnesia powder 123 is filled in hollow heater strip 122, through compacting, the periphery wall shape of electric heating tube 12 and stainless steel disc 11 match, and then pass through soldering or other implants and electric heating tube 12 and stainless steel disc 11 are linked together；Then aluminum dish 13 is covered on stainless steel disc 11, and by soldering or other implants, electric heating tube 12 and aluminum dish 13 are linked together.
Thus, electric heating tube 12 directly contacts with stainless steel disc 11, and heat transfer area is relatively big, simultaneously as be direct contact, heat transfer rate is faster.It addition, aluminum dish 13 covers electric heating tube 12 and stainless steel disc 11, it is possible to indirectly bring stainless steel disc 11 by the heat of the periphery wall of electric heating tube 12, improve heat transfer efficiency.Furthermore, aluminum dish 13 can also improve the intensity of stainless steel disc 11, thus reducing the thickness of stainless steel disc 11 sheet material, improves heat transfer rate further.
Alternatively, the cross section of aluminum pipe 121 and hollow heater strip 122 is trapezoidal.Specifically, as shown in Figure 4 and Figure 5, two adjacent walls of electric heating tube 12 are connected with the diapire of the recess 111 of stainless steel disc 11 and sidewall weld respectively, and two other adjacent wall of electric heating tube 12 is weldingly connected with aluminum dish 13 respectively.Thus, the periphery wall of this electric heating tube 12 is weldingly connected with stainless steel disc 11 and aluminum dish 13, both can ensure that electric heating tube 12 firmly installed, the heat-transfer effect of this water heater 100 can have been promoted again, thus improving structure connection reliability and the efficiency of heating surface of this water heater 100.
Compared with the water heater in correlation technique, the electric heating tube 12 of the water heater 100 of this utility model embodiment has two faces directly to contact with stainless steel disc 11, there is bigger direct heat transfer area, two other can also do not conducted heat by aluminum dish 13 with stainless steel disc 11 contact surface simultaneously, and heat transfer efficiency promotes further.Furthermore, aluminum dish 13 is connected with a part for stainless steel disc 11, it is possible to strengthen the intensity of stainless steel disc 11, it is therefore possible to use thinner stainless-steel sheet manufactures stainless steel disc 11, save material cost, reduce thermal resistance so that the heat transfer efficiency of this water heater 100 can be higher.
Certainly, the shape of cross section (i.e. the shape of cross section of aluminum pipe 121) of electric heating tube 12 of the present utility model is not limited to this, and the shape of cross section of electric heating tube 12 can also form the polygon such as triangle, tetragon.Cross sectional shape by appropriate design electric heating tube 12, it is ensured that the cross section welding girth of this electric heating tube 12 is more than the 50% of overall circumference, improves the heat transfer efficiency of electric heating tube 12.Preferably, the cross sectional shape of mounting groove is identical with the cross sectional shape of electric heating tube 12.Thus, it is possible to ensure good welding effect, it is to avoid the solder thickness between electric heating tube 12 and stainless steel disc 11 and aluminum dish 13 is uneven, uneven phenomenon of conducting heat.
Wherein, according to an embodiment of the present utility model, aluminum dish 13 covers a part for recess 111 so that the two ends of electric heating tube 12 are exposed.With reference to Fig. 7, aluminum dish 13 is located on the recess 111 of stainless steel disc 11, and aluminum dish 13 in the frontal projected area of stainless steel disc 11 less than the area of stainless steel disc 11, electric heating tube 12 is located between stainless steel disc 11 and aluminum dish 13 in the mounting groove limited, further, the two ends of electric heating tube 12 are exposed at the side of aluminum dish 13, so that electric heating tube 12 is connected with the temperature controller 14 being located on aluminum dish 13, easy to connect, reliably.
In other detailed description of the invention of the present utility model, between periphery wall and stainless steel disc 11 and the aluminum dish 13 of electric heating tube 12, it is provided with conducting adhesive layer 1211.Thus, it is possible to guarantee electric heating tube 12 firmly installs, heat-transfer effect is good, thus improving structure connection reliability and the efficiency of heating surface of this water heater 100.Need exist for illustrate be, can be connected by solder Welding between the stainless steel disc 11 of the water heater 100 of this utility model embodiment and aluminum dish 13, it is also possible to be connected by other conducting adhesive material, there is no therebetween other sheet materials, simple in construction, heat-transfer effect is good.
Below in conjunction with accompanying drawing, the water heater 100 of the multiple embodiment of this utility model is specifically described.
This water heater 100 can be located at for adding hot water or producing the product of steam, wherein this product has tank 200, tank 200 has the annular mounting post vertically extended, and water heater 100 can pass through riveting method and realize being connected with tank 200.Alternatively, the outer edge of stainless steel disc 11 forms the shirt rim 114 of outwards bending, and mounting post is connected with shirt rim 114.The cross section of shirt rim 114 substantially forms G shape and constructs slot with the outer edge at stainless steel disc 11, slot is connected with mounting post clamping so that shirt rim 114 is coated with the free end of mounting post, further, sealing member 15 it is provided with between the inwall of mounting post and shirt rim 114, thereby may be ensured that the sealing of system, avoid drainage, improve the dependability of this water heater 100.
Embodiment one
As shown in Figures 1 to 8, in the present embodiment, first step 113 on the core of stainless steel disc 11 perisporium to form recess 111 and recess 111 recessed relative to the peripheral part of stainless steel disc 11, second step 133 on the core of aluminum dish 13 periphery wall to form downward projection of aluminum dish protuberance 131 and aluminum dish 13 recessed relative to the peripheral part of aluminum dish 13, aluminum dish protuberance 131 coordinates in recess 111, and second step 133 coordinates with first step 113.
With reference to Fig. 4 and Fig. 5, the upper surface of lower surface and stainless steel disc 11 that aluminum dish 13 is located at the top of stainless steel disc 11 and the middle part of aluminum dish 13 is connected, electric heating tube 12 is located between stainless steel disc 11 and aluminum dish 13 and the periphery wall of electric heating tube 12 is weldingly connected with the lower surface of aluminum dish 13 and the upper surface of stainless steel disc 11, thus the heat of electric heating tube 12 passes to stainless steel disc 11 and aluminum dish 13.
Specifically, the middle part concave downward of stainless steel disc 11 forms recess 111 with the upper surface at stainless steel disc 11, and at the peripheral part formation first step 113 of stainless steel disc 11, the middle part concave downward of aluminum dish 13 forms aluminum dish recess 132 with the upper surface at aluminum dish 13, and at the lower surface formation aluminum dish protuberance 131 of aluminum dish 13, peripheral part at aluminum dish 13 forms second step 133, the roof of aluminum dish protuberance 131 is connected with the diapire of the recess 111 of stainless steel disc 11, the second step 133 of aluminum dish 13 coordinates with the first step 113 of stainless steel disc 11, make the sidewall of aluminum dish protuberance 131, the trapezoidal mounting groove for installing electric heating tube 12 is limited between diapire and the sidewall of the recess 111 of second step 133 and stainless steel disc 11.Alternatively, the upper surface of the first step 113 of stainless steel disc 11 can form horizontal plane, it is also possible to forms the inclined-plane being obliquely installed relative to the axis of symmetry of stainless steel disc 11.
Further, recess 111 and the aluminum dish protuberance 131 of stainless steel disc 11 can be arranged concentrically, make circumferentially extending along the aluminum dish protuberance 131 of stainless steel disc 11 of mounting groove, and the U-shaped, circular or oval etc. that this mounting groove is formed as surrounding along aluminum dish protuberance 131, correspondingly, electric heating tube 12 dish be located on the second step 133 of aluminum dish protuberance 131 and the coiled shape of electric heating tube 12 also form the U-shaped corresponding with the cross sectional shape of mounting groove, circular or oval.Thus, it is possible to the length of the electric heating tube 12 increased in certain area, thus improve the heat transfer efficiency of this water heater 100.
With reference to Fig. 7, aluminum dish 13 is provided with temperature controller 14 and thermal cut-off 16, temperature controller 14 and thermal cut-off 16 are located on aluminum dish 13 respectively through securing member 142, electric heating tube 12 has two terminals, two terminals are connected with the temperature controller 14 on correspondence position and thermal cut-off 16 respectively through wire 141, it is ensured that the safety of system work.Further, the axis of terminals is obliquely installed relative to stainless steel disc 11, and angle of inclination is less than 10 °, and namely the axis of the terminals of electric heating tube 12 is obliquely installed relative to the principal plane of stainless steel disc 11 and angle of inclination is less than 10 °.Thus, aluminum dish protuberance 131 is formed by the side relative with stainless steel disc 11 at aluminum dish 13, and make the two ends of electric heating tube 12 expose outside aluminum dish 13, facilitate the terminals of electric heating tube 12 and the connection of temperature controller 14 and thermal cut-off 16, further, electric heating tube 12 and stainless steel disc 11 closely cooperate, and it is little that the terminals of electric heating tube 12 upwarp angle, the hollow heater strip 122 making electric heating tube 12 is not easy bias, thereby may be ensured that certain barotolerance and insulating properties.
Embodiment two
As shown in Fig. 9 to Figure 14, in the present embodiment, the periphery of the upper surface of stainless steel disc 11 is along being provided with the core of shirt rim 114 and the stainless steel disc 11 peripheral part epirelief relative to stainless steel disc 11 to form stainless steel disc protuberance 112, recess 111 is limited by shirt rim 114 and stainless steel disc protuberance 112, the core of aluminum dish 13 is relative to the peripheral part epirelief of aluminum dish 13, and the periphery of aluminum dish 13 is along being attached on the diapire of recess 111.
With reference to Figure 11 and Figure 12, aluminum dish 13 is located at the top of stainless steel disc 11 and the lower surface of aluminum dish 13 is connected with the upper surface of stainless steel disc 11, electric heating tube 12 is located between stainless steel disc 11 and aluminum dish 13 and the periphery wall of electric heating tube 12 is weldingly connected with the lower surface of aluminum dish 13 and the upper surface of stainless steel disc 11, thus the heat of electric heating tube 12 passes to stainless steel disc 11 and aluminum dish 13.
Specifically, the middle part of stainless steel disc 11 projects upwards relative to the peripheral part of stainless steel disc 11 and forms stainless steel disc protuberance 112 with the upper surface at stainless steel disc 11, the middle part of aluminum dish 13 projects upwards relative to the peripheral part of aluminum dish 13 and forms aluminum dish protuberance 131 with the upper surface at aluminum dish 13, and at the lower surface formation aluminum dish recess 132 of aluminum dish 13, the roof of stainless steel disc protuberance 112 is connected with the diapire of aluminum dish recess 132, the sidewall of stainless steel disc protuberance 112, the trapezoidal mounting groove for installing electric heating tube 12 is limited between the diapire of the recess 111 of stainless steel disc 11 and diapire and the sidewall of aluminum dish recess 132.
Further, mounting groove is circumferentially extending along stainless steel disc protuberance 112, and the U-shaped, circular or oval etc. that this mounting groove is formed as surrounding along aluminum dish protuberance 131, correspondingly, electric heating tube 12 dish be located on the sidewall of stainless steel disc protuberance 112 and the coiled shape of electric heating tube 12 also form the U-shaped corresponding with the cross sectional shape of mounting groove, circular or oval.Thus, it is possible to the length of the electric heating tube 12 increased in certain area, thus improve the heat transfer efficiency of this water heater 100.
Wherein, aluminum dish 13 is provided with temperature controller 14 and thermal cut-off 16, temperature controller 14 and thermal cut-off 16 are located on aluminum dish 13 respectively through securing member 142, electric heating tube 12 has two terminals, two terminals are connected with the temperature controller 14 on correspondence position and thermal cut-off 16 by wire 141, it is ensured that the safety of system work.Further, the axis of terminals is obliquely installed relative to stainless steel disc 11, and angle of inclination is less than 10 °, and namely the axis of the terminals of electric heating tube 12 is obliquely installed relative to the principal plane of stainless steel disc 11 and angle of inclination is less than 10 °.Thus, by forming aluminum dish recess 132 in the side towards stainless steel disc 11 of aluminum dish 13, and coordinate with the recess 111 of stainless steel disc 11, can suitably reduce the angle of inclination of the terminals of electric heating tube 12, facilitate the terminals of electric heating tube 12 and the connection of temperature controller 14 and thermal cut-off 16, and electric heating tube 12 and stainless steel disc 11 are tightly combined, thus ensureing that hollow heater strip 122 is less susceptible to sideslip in the end that magnesia powder 123 is relatively more loose, it is ensured that pressure and excellent insulating property.
The household electrical appliance according to this utility model second aspect embodiment are specifically described below in conjunction with accompanying drawing 1 to 15.
Household electrical appliance according to this utility model embodiment include tank 200 and water heater 100.Specifically, tank 200 has opening 21, and water heater 100 is the water heater 100 of above-described embodiment, and water heater 100 is arranged on opening 21 and sentences closing opening 21.
In other words, these household electrical appliance are mainly made up of tank 200 and water heater 100, and water heater 100 is mainly made up of stainless steel disc 11, aluminum dish 13, electric heating tube 12, temperature controller 14 and thermal cut-off 16.Wherein, water heater 100 is located at the opening 21 of tank 200 and sentences the water in tank 200 is directly heated.Specifically, tank 200 has the annular mounting post vertically extended, and water heater 100 can pass through riveting method and realize being connected with tank 200.Alternatively, the outer edge of the stainless steel disc 11 of water heater 100 forms the shirt rim 114 of outwards bending, and mounting post is connected with shirt rim 114.The cross section of shirt rim 114 substantially forms G shape and constructs slot with the outer edge at stainless steel disc 11, slot is connected with mounting post clamping so that shirt rim 114 is coated with the free end of mounting post, further, sealing member 15 it is provided with between the inwall of mounting post and shirt rim 114, thereby may be ensured that the sealing of system, avoid drainage, improve the dependability of this water heater 100.
Stainless steel disc 11 is connected to close opening 21 with tank 200, aluminum dish 13 is located on a side surface of the tank dorsad 200 of stainless steel disc 11, the circumferentially extending mounting groove along aluminum dish 13 is limited between aluminum dish 13 and stainless steel disc 11, electric heating tube 12 is located in mounting groove and the periphery wall of electric heating tube 12 is weldingly connected with stainless steel disc 11 and aluminum dish 13 respectively, and temperature controller 14 and thermal cut-off 16 are located on a side surface of the stainless steel disc dorsad 11 of aluminum dish 13 and electrically connect with electric heating tube 12.With reference to Figure 15, water heater 100 is located in washing machine 1 and is connected with the cylinder of washing machine 1.Certainly, this utility model is not limited to this, water heater 100 can be applied in other for add hot water or produce steam household electrical appliance (dish-washing machine of such as wet sterilization, refrigerator) in, it is also possible to be applied in industrial equipment etc..
Owing to the water heater 100 according to this utility model embodiment has above-mentioned technique effect, therefore, household electrical appliance according to the embodiment of the present application also have above-mentioned technique effect, the i.e. simple in construction, compact of these household electrical appliance, cost is low, each parts connect reliable, and structural strength is high, and heating, heat transfer efficiency are good.
Other compositions of household electrical appliance according to this utility model embodiment and operation are all known for those of ordinary skills, are not detailed herein.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (10)
1. a water heater, it is characterised in that including:
Stainless steel disc, described stainless steel disc has recess；
Electric heating tube, described electric heating tube is arranged in described recess；
Aluminum dish, described aluminum dish is connected with described stainless steel disc, described electric heating tube between described stainless steel disc and described aluminum dish to transfer heat to described stainless steel disc and described aluminum dish；
Temperature controller, described temperature controller is located on the outer surface of described aluminum dish and electrically connects with described electric heating tube.
2. water heater according to claim 1, it is characterised in that described electric heating tube is welded with described stainless steel disc and described aluminum dish by solder, and described aluminum dish is welded by solder with described stainless steel disc.
3. water heater according to claim 2, it is characterized in that, described electric heating tube includes aluminum pipe and the hollow heater strip being located in described aluminum pipe, is filled with in magnesia powder and described hollow heater strip and is filled with magnesia powder between described aluminum pipe and described hollow heater strip.
4. water heater according to claim 3, it is characterised in that the cross section of described aluminum pipe and described hollow heater strip is trapezoidal.
5. water heater according to claim 1, it is characterised in that described aluminum dish covers a part for described recess so that the two ends of described electric heating tube are exposed.
6. water heater according to claim 1, it is characterised in that be provided with conducting adhesive layer between the periphery wall of described electric heating tube and described stainless steel disc and described aluminum dish.
7. water heater according to claim 1, it is characterised in that the axis of the terminals of described electric heating tube is obliquely installed relative to the principal plane of described stainless steel disc and angle of inclination is less than 10 °.
8. the water heater according to any one of claim 1-7, it is characterised in that the first step on the core of the described stainless steel disc perisporium to form described recess and described recess recessed relative to the peripheral part of described stainless steel disc,
Second step on the core of the described aluminum dish periphery wall to form downward projection of aluminum dish protuberance and described aluminum dish recessed relative to the peripheral part of described aluminum dish, described aluminum dish protuberance coordinates in described recess, and described second step coordinates with described first step.
9. the water heater according to any one of claim 1-7, it is characterized in that, the periphery of the upper surface of described stainless steel disc is along being provided with the core of shirt rim and the described stainless steel disc peripheral part epirelief relative to described stainless steel disc to form stainless steel disc protuberance, described recess is limited by described shirt rim and described stainless steel disc protuberance
The core of described aluminum dish is relative to the peripheral part epirelief of described aluminum dish, and the periphery of described aluminum dish is along being attached on the diapire of described recess.
10. household electrical appliance, it is characterised in that including:
Tank, described tank has opening；
Water heater, described water heater is the water heater according to any one of claim 1-9, and described water heater is arranged on described opening part to close described opening.
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| CN201521125333.3U CN205351746U (en) | 2015-12-29 | 2015-12-29 | Water heater and domestic appliance who has it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125333.3U CN205351746U (en) | 2015-12-29 | 2015-12-29 | Water heater and domestic appliance who has it |
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| CN205351746U true CN205351746U (en) | 2016-06-29 |
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| CN201521125333.3U Active CN205351746U (en) | 2015-12-29 | 2015-12-29 | Water heater and domestic appliance who has it |
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| CN (1) | CN205351746U (en) |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170913 Address after: 241002 No. 103 workshop No. 1, Hua Jin Nan Road, Yijiang hi tech Industrial Development Zone, Wuhu, Anhui Patentee after: Three flower yaweike electric appliance (Wuhu) Co., Ltd. Address before: 310026 No. 12, No. 289-2, Hangzhou Economic Development Zone, Hangzhou, Zhejiang Patentee before: HANGZHOU SANHUAJIA ELECTROTHERMAL MANAGEMENT SYSTEM CO., LTD. |
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| TR01 | Transfer of patent right |