CN105167618A - Heating element and water boiler with same - Google Patents
Heating element and water boiler with same Download PDFInfo
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- CN105167618A CN105167618A CN201510489848.XA CN201510489848A CN105167618A CN 105167618 A CN105167618 A CN 105167618A CN 201510489848 A CN201510489848 A CN 201510489848A CN 105167618 A CN105167618 A CN 105167618A
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- deflector
- heating element
- element heater
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Abstract
The invention relates to a heating element and a water boiler with the same. The heating element comprises two flow guide plates peripherally sealed, a water inlet and a water outlet. One flow guide plate is provided with an electric heating membrane, and the other flow guide plate is provided with a plurality of rows of spaced protrusions; or, each flow guide plate is provided with both the electric heating film and the multiple rows of spaced protrusions, the protrusions of one flow guide plate are tightly attached to the other flow guide plate, and thus irregular water passages are formed between the two flow guide plates. Since the flow guide plates are peripherally hermetically connected, the protrusions of one flow guide plate are tightly attached to the other flow guide plate, the irregular passages communicated with one another are formed between the flow guide plates, and thus water flowing through the passages is more evenly heated, the temperature is easier to control and vaporizing and dry braising are avoided.
Description
Technical field
The present invention relates to a kind of heating element heater, also relate to a kind of boiled water machine with this heating element heater.
Background technology
Heating element heater is widely used in the every field of life, such as water dispenser, water heater etc.Conventional mode of heating mostly is storage-type, and be namely heated to by the water in aqua storage tank certain stable in advance, when needed, hot water flows out from aqua storage tank.When not using, naturally will be cooled by the hot water heated in aqua storage tank, when being down to a certain degree to temperature, can again be heated.So constantly circulating-heating, not only can cause the waste of electric energy, nor meets the hygienic requirements of water.In order to address this problem, generally adopt instant heating type heating body in the market, and adopt heated by electrothermal film to be the conventional heater means of instant heating type heating body.
At present on the market Electric radiant Heating Film instant heating type heating body mainly contain three kinds: silica gel runner calandria, certainly gush type without runner stainless steel calandria, runner stainless steel calandria.Silica gel runner calandria adopts silica gel runner to be pressed in sealing in Electric radiant Heating Film and forms runner, and the weak point of this calandria is that sealing compresses by silica gel plate and is formed, very easily aging leaking of being heated for a long time, and silica gel has peculiar smell after being heated; Be mainly used in from gushing type water dispenser, can only boiling water being gone out without runner stainless steel calandria from gushing type, can not adjusting water outlet temperature, and due to the inside moisture storage capacity comparatively large, wait for after start that water discharging time is longer; Runner calandria to be welded at periphery by dull and stereotyped Electric radiant Heating Film and runner plate to be formed, and because Electric radiant Heating Film has distortion, makes the gap between runner comparatively large, and easily string water forms that slough causes subregion dry combustion method, water temperature is beated, and interval is larger.
Applicant is CN204120833U at patent announcement number, discloses a kind of calandria in the autograph patent document that is " a kind of instant heating type drinking machine calandria ".Wherein, the metal substrate of Electric radiant Heating Film is processed with reinforcement, runner plate is processed with runner, the reinforcement on the metal substrate of the rear Electric radiant Heating Film of assembling and the runner on runner plate form S type cavity runner.This utility model arranges reinforcement on the metal substrate of heating film, Electric radiant Heating Film problem on deformation when efficiently solving processing and use.But, owing to only welding at periphery between metal substrate and runner plate, therefore there is gap between itself and the plane at runner plate place.Cause water thus and incomplete by S type cavity flow passage, in fact some water is by the Clearance Flow between metal substrate and the plane at runner plate place.The phenomenon of Electric radiant Heating Film is easily burnt out in the position of S type cavity runner lack of water or current deficiency.
On the other hand, because the degree of depth of S type cavity runner is much larger than the gap between metal substrate and the plane at runner plate place, therefore also can there are current and heat uneven phenomenon.In addition, the temperature of the hot water of releasing from water dispenser also can be caused wayward, this is because the thermograde of current near water inlet is much larger than the thermograde near delivery port.Use the water dispenser of this calandria when heating water, often there will be the phenomenon of seven, 80 degree from delivery port water temperature out, be not easy to very much control.
As from the foregoing, although this kind of calandria of the prior art defines the water stream channel of comparison rule on the surface, its heating effect especially temperature control effect unsatisfactory.
Therefore, need a kind of heating element heater in prior art, make its to the heating of water more evenly, water temperature more easily controls, and can avoid the phenomenon burning out Electric radiant Heating Film simultaneously.
Summary of the invention
The present invention in order to overcome the above-mentioned defect existed in prior art, proposes a kind of heating element heater just, its can to the heating of water more evenly, water temperature more easily controls, and can avoid the phenomenon burning out Electric radiant Heating Film simultaneously.
According to a kind of heating element heater of the present invention, be included in two pieces of deflectors, water inlet and delivery ports that peripheral position place is tightly connected, one piece of deflector is provided with Electric radiant Heating Film, another block deflector is provided with the spaced projection of many rows, or one piece of deflector is provided with simultaneously Electric radiant Heating Film and the spaced projection of many rows, projection on one piece of deflector and another block deflector fit tightly, thus form unordered water stream channel between two pieces of deflectors.
Preferably, Electric radiant Heating Film is provided with the different multiple heating circuits of power density.More preferably, Electric radiant Heating Film comprises the first heating circuit, the second heating circuit, the first contact and the second contact, first heating circuit is located at the position close to water inlet, second heating circuit is located at the position close to delivery port, the two ends of the first heating circuit and the second heating circuit are connected to the first contact and the second contact, and the power density of the first heating circuit is greater than the power density of the second heating circuit.
Preferably, water leg is provided with at the water inlet of heating element heater and/or the position of delivery port.More preferably, be respectively equipped with the first water leg and the second water leg in one end of one piece of deflector and the other end, the first water leg is communicated with delivery port, and the second water leg is communicated with water inlet.
Preferably, the ratio of the surface area sum at the surface area of the water stream channel formed between two pieces of deflectors and water stream channel and position of fitting is 0.3-0.9.Between the volume of the first water leg or the second water leg and two pieces of deflectors, the ratio of the total measurement (volume) of runner is 0.2-0.8.
Preferably, Electric radiant Heating Film is also provided with the 3rd contact and the 4th contact that are connected with temperature-control circuit, between the 3rd contact and the 4th contact, is provided with thermistor.Preferably, near water inlet, also fin is provided with.
Another aspect of the present invention also relates to a kind of boiled water machine, and it comprises heating element heater as above.
Adopt heating element heater of the present invention and comprise the boiled water machine of this heating element heater, because two pieces of deflectors are tightly connected at peripheral position place, and projection on one piece of deflector and another block deflector fit tightly, thus between deflector, form the irregular runner be interconnected, make the water heating through runner more even, make the water temperature of delivery port more easily control simultaneously, thus avoid the generation of vaporization and dry combustion method phenomenon.
Accompanying drawing explanation
Fig. 1 shows the side view of the heating element heater according to an embodiment of the present invention.
Fig. 2 shows the front view of the first deflector.
Fig. 3 shows the sectional view along A-A line in Fig. 2.
Fig. 4 shows the sectional view along B-B line in Fig. 2.
Fig. 5 shows the front view of the second deflector.
Fig. 6 shows the front view of the second deflector in preferred embodiment.
Fig. 7 shows the front view of the first deflector in preferred embodiment.
Fig. 8 shows the side view of heating element heater according to the preferred embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined mutually.
Heating element heater according to the present invention is included in two pieces of deflectors, water inlet and delivery ports that peripheral position place is tightly connected, water inlet and delivery port are separately positioned on the two ends of heating element heater, wherein, one piece of deflector is provided with Electric radiant Heating Film, another block deflector is provided with the spaced projection of many rows, or one piece of deflector is provided with simultaneously Electric radiant Heating Film and the spaced projection of many rows, projection on one piece of deflector and another block deflector fit tightly, thus form unordered water stream channel between two pieces of deflectors.Adopt heating element heater of the present invention, owing to forming unordered water stream channel between two pieces of deflectors, compared to prior art, achieve and heat more uniformly, also make the temperature of the hot water flowed out by the delivery port of heating element heater be more prone to the technique effect controlled simultaneously.From principle, although the water stream channel in heating element heater of the present invention is unordered, but because the change in depth of current is little, so relative to prior art, current between deflector are heated more even, thus achieve the object of easy temperature control, and avoid the generation of dry combustion method phenomenon.
Electric radiant Heating Film can be arranged multiple heating circuits that power density (international unit: watt/square metre) is different, the heating circuit of different capacity density is set through deflector diverse location thermograde difference according to current, with the control advantageously in water temperature.Specifically, near water inlet, because water temperature is lower, need to make current heat (that is, thermograde is larger) rapidly, the power density requirements of heating circuit is herein larger.Otherwise near delivery port, because water temperature is higher, now need to make water temperature can be distribution accurately controlled (that is, thermograde requires less), the power density requirements of heating circuit is herein smaller.
Can also be respectively arranged with water leg at the water inlet of heating element heater and the position of delivery port, it can ensure that water is distributed in equably water stream channel after water inlet enters, to be subject to uniform heating.
Below in conjunction with accompanying drawing, a kind of embodiment according to heating element heater of the present invention is described, it should be noted that, this embodiment just can implement a preferred embodiment of the present invention, does not form any restriction to scope.
See Fig. 1, which show the side view according to heating element heater of the present invention.As shown in the figure, heating element heater comprises the first deflector 1 and the second deflector 2.One end of heating element heater is provided with delivery port 12, and the other end is provided with water inlet 13.Preferably, as shown in Figure 1, delivery port 12 and water inlet 13 from the outside of the first deflector 1 outwardly, also can be set to other forms as required.
Fig. 2 shows the front view of the first deflector 1, and Fig. 3 shows the sectional view along A-A line in Fig. 2, and Fig. 4 shows the sectional view along B-B line in Fig. 2.Fig. 5 shows the front view of the second deflector 2.
As shown in Figure 2, a side (front) of the first deflector 1 is provided with the groove 14 at many row intervals, and the groove 14 between adjacent row is staggered.Correspondingly, another side (back side) of the first deflector 1 have the projection corresponding with groove 14.
As shown in Figure 5, the second deflector 2 is provided with Electric radiant Heating Film 22, and Electric radiant Heating Film 22 comprises multiple heating circuits with different capacity density.As shown in the figure, which show Electric radiant Heating Film 22 and include the first heating circuit 24 and the second heating circuit 25.It should be noted that, the heating circuit quantity shown in Fig. 5 is only exemplary, and according to actual needs, the heating circuit of other quantity is also feasible.Electric radiant Heating Film 22 also comprises the first contact 231 and the second contact 232.The material of the first deflector and the second deflector can be metal, and the surface of fitting with the first deflector of the second deflector 2 is preferably smooth surface.First heating circuit 24 is located at the position close to water inlet 13 of the second deflector 2, and its two ends are connected to the first contact 231 and the second contact 232.Second heating circuit 25 is located at the position close to delivery port 12 of the second deflector 2, and its two ends are also connected to the first contact 231 and the second contact 232.First contact 231 is connected with external power source with the second contact 232.Preferably, as shown in Figure 6, the first contact 231 and the second contact 232 place are provided with the first lug plate 233 and the second lug plate 234, are connected respectively with external power source.
As shown in Figure 5, the circuit of the first heating circuit 24 is short, resistance is little, power is large, power density is large; The circuit of the second heating circuit 25 is long, resistance is large, power is little, power density is little.That is, the power density of the first heating circuit 24 is greater than the power density of the second heating circuit 25.Main cause is, the first heating circuit is located near water inlet, and the second heating circuit is located near delivery port, and the temperature of water inlet will lower than the temperature of delivery port.Therefore, the power density of the first heating circuit near water inlet is arranged comparatively large, to heat rapidly current; And the temperature of current is higher near delivery port, therefore the power density of the second heating circuit is arranged less, so that carry out temperature control.Otherwise, if the power density of the first heating circuit is less than or equal to the power density of the second heating circuit, then easily make the water vapor of upper space, and then cause the generation of dry combustion method phenomenon.
As shown in Figure 1, the first deflector 1 and the second deflector 2 are tightly connected at peripheral position place, and the projection simultaneously on the first deflector and the second deflector fit tightly, thus form the irregular runner be interconnected between the first deflector 1 and the second deflector 2.Preferably, welding manner can be selected to connect the first deflector and the second deflector.First deflector can also have elasticity, thus the first deflector suitably can be bent along with the distortion of Electric radiant Heating Film, ensures that the first deflector and the second deflector are fitted all the time.
Preferably, the long 3-10mm of the projection on the first deflector, wide 0.5-1.5mm, height are 0.5-1.5mm, and the spacing between horizontal adjacent protrusion is 3-10mm, and the vertical interval between adjacent row's projection is 3-10mm.As the preferred embodiment of the present invention, the long 5mm of the projection on the first deflector, wide 1mm, height are 1mm, and the spacing between horizontal adjacent protrusion is 5mm, and the vertical interval between adjacent row's projection is 5mm.Like this, after the first deflector and the second deflector are tightly connected, form the water holding space 15 that ultimate range is 1mm between the two.
Wherein, the ratio of the surface area of the water stream channel formed between two pieces of deflectors is 0.3-0.9, is preferably 0.4-0.7, and ratio herein refers to the surface area of water stream channel and the ratio of water stream channel and sticking part bit surface area sum.The total measurement (volume) of water space can be designed as and is less than 12ml, can meet the requirement going out boiling water in 3 seconds when the second deflector is worked under rated voltage.
Because the projection on the first deflector also fits tightly with the second deflector, therefore this water holding space is fully under way along the first deflector, and is communicated with in an irregular pattern.After tested, this irregular mode of communicating just, the water flowing through water holding space but can be made to be subject to evenly heating.Compared with prior art CN204120833U, the depth profile of water in water holding space can be avoided uneven and the phenomenon of cause being heated inequality and the control of temperature difficulty, avoid the generation of dry combustion method phenomenon simultaneously.
Preferably, as shown in Figure 2, one end of the first deflector 1 and the other end are respectively equipped with the first water leg 11 and the second water leg 10, first water leg 11 is communicated with delivery port 12, and the second water leg 10 is communicated with water inlet 13.First water leg 11 and the second water leg 10 can be configured to Cross slat connected in star, particularly can directly on the first deflector punching press be processed to form.The volume of the first water leg 11 or the second water leg 10 and between the first deflector 1 and the second deflector 2 ratio of the total measurement (volume) of runner be 0.2-0.8, be preferably 0.2-0.5.
As shown in Figure 5, Electric radiant Heating Film 22 is also provided with the 3rd contact 261 and the 4th contact 262 that are connected with temperature-control circuit, between the 3rd contact 261 and the 4th contact 262, is provided with thermistor 27, for detecting and controlling the temperature of water.Preferably, as shown in Figure 6, be respectively equipped with the 3rd lug plate 263 and the 4th lug plate 264 in the 3rd contact 261 and the 4th contact 262 place, be connected with temperature-control circuit.More preferably, as shown in Figure 6, the 5th lug plate the 265, five lug plate 265 that can also arrange ground connection at the sidepiece of the second deflector stretches out from the sidepiece of the second deflector, to provide ground protection.
As shown in FIG. 7 and 8, due to the complete machine need of work circuit programme-control of water dispenser, employ the controllable silicon of big current, controllable silicon operating room caloric value is large, in order to improve radiating effect, runner near the water inlet 13 of the first deflector 1 can also arrange fin 29, take away by the cold water of water inlet for the heat that controllable silicon is produced, thus ensure that controllable silicon reliably works.Preferably, as shown in figs. 5 and 8, the back side of the second deflector 2 is also provided with mounting screw 28.
Adopt heating element heater of the present invention, owing to being tightly connected at peripheral position place between the first deflector and the second deflector, and first projection on deflector and the second deflector fit tightly, thus between the first deflector and the second deflector, form the irregular runner be interconnected, make the water heating through runner more even, and temperature more easily controls, thus avoid the generation of vaporization and dry combustion method phenomenon.
Another aspect of the present invention relates to a kind of boiled water machine, and it comprises according to heating element heater of the present invention.The improvement of boiled water machine provided by the invention only relates to above-mentioned heating element heater, does not change other parts.Therefore this description only describes in detail heating element heater, the miscellaneous part of boiled water machine and operation principle are repeated no more here.In the content basis that those skilled in the art describe at this description, boiled water machine of the present invention can be realized.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. a heating element heater, be included in two pieces of deflectors, water inlet and delivery ports that peripheral position place is tightly connected, it is characterized in that, one piece of deflector is provided with Electric radiant Heating Film, another block deflector is provided with the spaced projection of many rows, or one piece of deflector is provided with simultaneously Electric radiant Heating Film and the spaced projection of many rows; Projection on one piece of deflector and another block deflector fit tightly, thus form unordered water stream channel between two pieces of deflectors.
2. heating element heater according to claim 1, is characterized in that, Electric radiant Heating Film is provided with the different multiple heating circuits of power density.
3. heating element heater according to claim 1 and 2, is characterized in that, is provided with water leg at the water inlet of heating element heater and/or the position of delivery port.
4. heating element heater according to claim 2, it is characterized in that, described Electric radiant Heating Film comprises the first heating circuit, the second heating circuit, the first contact and the second contact, first heating circuit is located at the position close to water inlet, second heating circuit is located at the position close to delivery port, the two ends of the first heating circuit and the second heating circuit are connected to the first contact and the second contact, and the power density of the first heating circuit is greater than the power density of the second heating circuit.
5. heating element heater according to claim 1 and 2, is characterized in that, the ratio of the surface area sum at the surface area of the water stream channel formed between two pieces of deflectors and water stream channel and position of fitting is 0.3-0.9.
6. heating element heater according to claim 3, it is characterized in that, be respectively equipped with the first water leg and the second water leg in one end of one piece of deflector and the other end, described first water leg is communicated with described delivery port, and described second water leg is communicated with described water inlet.
7. heating element heater according to claim 6, is characterized in that, between the volume of described first water leg or the second water leg and two pieces of deflectors, the ratio of the total measurement (volume) of runner is 0.2-0.8.
8. heating element heater according to claim 1 and 2, is characterized in that, Electric radiant Heating Film is also provided with the 3rd contact and the 4th contact that are connected with temperature-control circuit, between the 3rd contact and the 4th contact, is provided with thermistor.
9. heating element heater according to claim 1 and 2, is characterized in that, near water inlet, be also provided with fin.
10. a boiled water machine, it comprises the heating element heater according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489848.XA CN105167618A (en) | 2015-05-29 | 2015-08-11 | Heating element and water boiler with same |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284495 | 2015-05-29 | ||
| CN201520357040 | 2015-05-29 | ||
| CN201510284495X | 2015-05-29 | ||
| CN2015203570401 | 2015-05-29 | ||
| CN201510489848.XA CN105167618A (en) | 2015-05-29 | 2015-08-11 | Heating element and water boiler with same |
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| Publication Number | Publication Date |
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| CN105167618A true CN105167618A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510489848.XA Pending CN105167618A (en) | 2015-05-29 | 2015-08-11 | Heating element and water boiler with same |
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| CN (1) | CN105167618A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949629A (en) * | 2017-04-28 | 2017-07-14 | 陈钦诚 | The deflector structure of instant current calandria |
| CN107143836A (en) * | 2017-05-27 | 2017-09-08 | 广东美的厨房电器制造有限公司 | Steam generator and steam-heating apparatus |
| CN107166353A (en) * | 2017-06-08 | 2017-09-15 | 广东美的厨房电器制造有限公司 | Steam generator and steam-heating apparatus |
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| CN204120833U (en) * | 2014-07-15 | 2015-01-28 | 宁波市塞纳电热电器有限公司 | A kind of instant heating type drinking machine calandria |
| CN104374077A (en) * | 2013-08-13 | 2015-02-25 | 爱烙达股份有限公司 | Water heater with double heating sources |
| KR101517540B1 (en) * | 2014-02-10 | 2015-05-04 | 권상훈 | Boiler for a hot-water heating mat |
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| US5334819A (en) * | 1993-11-08 | 1994-08-02 | Lin Hsiao Chih | Instant heating type water heaters |
| CN101251354A (en) * | 2008-03-31 | 2008-08-27 | 洛阳蓝海实业有限公司 | Integral disturbing-flow heat-exchanging plate tablet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949629A (en) * | 2017-04-28 | 2017-07-14 | 陈钦诚 | The deflector structure of instant current calandria |
| CN107143836A (en) * | 2017-05-27 | 2017-09-08 | 广东美的厨房电器制造有限公司 | Steam generator and steam-heating apparatus |
| CN107166353A (en) * | 2017-06-08 | 2017-09-15 | 广东美的厨房电器制造有限公司 | Steam generator and steam-heating apparatus |
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Application publication date: 20151223 |