CN201852072U - Steam generator and household electric steamer - Google Patents
Steam generator and household electric steamer Download PDFInfo
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- CN201852072U CN201852072U CN2010205735177U CN201020573517U CN201852072U CN 201852072 U CN201852072 U CN 201852072U CN 2010205735177 U CN2010205735177 U CN 2010205735177U CN 201020573517 U CN201020573517 U CN 201020573517U CN 201852072 U CN201852072 U CN 201852072U
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- generating pipe
- heat
- described heat
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Abstract
The utility model discloses a steam generator, and provides a steam generator provided with a water shortage detection device. The water shortage detection device is accurate in judgment, low in cost, fast in response and long in service life, and is capable of reminding a user of cleaning a heating tube and preventing burnout. The technical scheme includes that the steam generator comprises a shunt valve (1) and a heating tube (2), the heating tube is light permeable totally, or only the lower end of the heating tube is light permeable, a light emitting device (111) and a photosensitive element (121) are arranged at the lower end of a lower electrode (21) of the heating tube (2), and light emitted from the light emitting device (111) is refracted to the photosensitive element (121) through at least one heating tube (2) but can not pass through the axis of the heating tube (2). The utility model further discloses a household electric steamer comprising the steam generator.
Description
Technical field
The utility model relates to a kind of steam raising plant and tame electricity consumption steam box.
Background technology
In the prior art, various steam raising plants and tame electricity consumption steam box are arranged.As the applicant in application on 02 12nd, 2010, application number is that 201010114441.6[application name is called: the Chinese invention patent of [household steamer], this patent is provided with temperature limiter and detects whether water is arranged in the described heat-generating pipe on heating tube, thereby judges the whether dry combustion method of described heat-generating pipe.If described heat-generating pipe does not have water in the position that is provided with of described temperature limiter, then the temperature of this position can raise, and when temperature was increased to the temperature of described temperature limiter setting, described temperature limiter action made control circuit cut off heating power supply.But disclosed household steamer also has the following disadvantages in this patent:
(1) because described temperature limiter can not directly be affixed on the hot zone of described heat-generating pipe, and described temperature limiter is arranged on the top of described heat-generating pipe electrode, and perhaps the surface, hot zone with described heat-generating pipe separates certain space, this just causes described temperature limiter work to lag behind.
(2) because described temperature limiter work lags behind and the thermal inertia of described heat-generating pipe is very little, and this requires the sensitivity of described temperature limiter very high, it is very accurate to require that also the position is set.
(3) because disconnected temperature of the jumping of described temperature limiter and normal working temperature are very approaching, it is disconnected so just may to cause mistake to jump.
(4) owing to more than one usually of described heat-generating pipe, so just need a more than described temperature limiter, make cost very high.
(5) because described temperature limiter is jumped disconnected is after described heat-generating pipe generation dry combustion method, and described heat-generating pipe is through after the of short duration dry combustion method repeatedly, and its electrical quantity and life-span can be subjected to very big influence.
Therefore, the checkout gear that need a kind ofly to react fast on the market, judge accurately, cost is low, the life-span is long, does not make described heat-generating pipe dry combustion method occur solves the defective that exists in the prior art.
The utility model content
According to existing deficiency in the prior art, the purpose of this utility model be to steam raising plant and tame electricity consumption steam box provide a kind of and react fast, judge accurately, cost is low, the life-span is long, do not make heat-generating pipe the lack of water checkout gear of dry combustion method occur.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of steam raising plant, the heat-generating pipe that comprises the local printing opacity in shunt valve, printing opacity or lower end, in described heat-generating pipe, be equipped with under the state of water, the lower end of the bottom electrode of described heat-generating pipe is provided with light emitting devices and light-sensitive element, the light of described light emitting devices emission arrives described light-sensitive element through the refraction of at least one described heat-generating pipe, and the light of described light emitting devices emission does not pass through the axle center of described heat-generating pipe.Incidence angle when the light of described light emitting devices emission arrives first glass tube will guarantee: luminous energy passes described heat-generating pipe on the one hand, and has the light of sufficient intensity to arrive described light-sensitive element; When described heat-generating pipe lack of water (lower end of described bottom electrode has bubble to emerge), light deviates to outside the photosensitive area of described light-sensitive element on the other hand.
Basic ideas of the present utility model are: described heat-generating pipe is when operate as normal, and the below of the bottom electrode of described heat-generating pipe does not emit bubble; Described heat-generating pipe is when exsiccosis is worked, and the phenomenon of bubble appears emitting in the below of the bottom electrode of described heat-generating pipe.The utility model utilizes this phenomenon that described light emitting devices and described light-sensitive element are set, whether the below of described bottom electrode emits bubble whether to sense optical signal by described light-sensitive element is determined, judge whether lack of water of described heat-generating pipe, the light that sets in advance described light emitting devices emission arrives described light-sensitive element photosensitive area by the described heat-generating pipe that does not emit bubble.Because light is in water, glass, airborne refractive index difference, when light when emitting the described heat-generating pipe of bubble, light path can deflect.So the light of light emitting devices emission can arrive described light-sensitive element photosensitive area by the described heat-generating pipe that does not emit bubble, judges not lack of water of described heat-generating pipe thus, operate as normal, control circuit does not cut off the heating power supply of described heat-generating pipe; And the light of light emitting devices emission is by emitting the described heat-generating pipe of bubble, light deflects and can not reach the photosensitive area of described light-sensitive element, judge described heat-generating pipe lack of water, to produce the dry combustion method phenomenon, described control circuit cuts off the heating power supply of described heat-generating pipe, thereby effectively prevents the generation of dry combustion method phenomenon under described heat-generating pipe also has the situation of water.
In the technical program, do not produce dry combustion method, preferably, can arrive described light-sensitive element after the light process refraction of whole described heat-generating pipes with described light emitting devices emission for making all described heat-generating pipes.
One end of shunt valve described in the technical program is provided with described bearing II, and described light-sensitive element is arranged among the inclined hole II of described bearing II.The angle excursion of described inclined hole II is that the light path during according to described heat-generating pipe operate as normal (promptly not lack of water) is determined.
The II of bearing described in the technical program is provided with adjustment hole, and described bearing II is movably arranged on the described shunt valve by described adjustment hole.The advantage of She Zhiing is like this: the member that is distributed on the light path error may occur when making and assemble, all accumulated errors all can be regulated described bearing II by described adjustment hole and be eliminated.
The other end of shunt valve described in the technical program is provided with bearing I, and described light emitting devices is arranged among the inclined hole I of described bearing I.
I of bearing described in the technical program and described shunt valve can be arranged to integrative-structure, also can be arranged to the branch body structure.
The I of inclined hole described in the technical program is arranged on the plane vertical with described heat-generating pipe with described inclined hole II.
Light emitting devices described in the technical program can be a laser diode, also can be the combination of arbitrary light source and snoot or set of lenses.
This steam raising plant comprises at least three described heat-generating pipes in the technical program, and described heat-generating pipe becomes curved arrangement.The advantage of She Zhiing is like this: described lack of water checkout gear can detect whether lack of water of many described heat-generating pipes, and is convenient to light path design.
Light emitting devices described in the technical program, described light-sensitive element do not contact with described heat-generating pipe.
A kind of family electricity consumption steam box comprises steam room, storage tank and steam raising plant, described steam raising plant comprises the heat-generating pipe of the local printing opacity in shunt valve, printing opacity or lower end, in the described heat-generating pipe water is housed, the lower end of the bottom electrode of described heat-generating pipe is provided with light emitting devices and light-sensitive element, the light of described light emitting devices emission arrives described light-sensitive element through the refraction of at least one described heat-generating pipe, and the light of described light emitting devices emission does not pass through the axle center of described heat-generating pipe.
The utility model compared with prior art, the beneficial effects of the utility model are as follows:
(1) since described steam raising plant and described family electricity consumption steam box be by detect described heat-generating pipe whether lack of water (being the whether bubbling of lower end of described bottom electrode) judge that described heat-generating pipe is about to take place the dry combustion method phenomenon, so water is always arranged in the described heat-generating pipe, the dry combustion method phenomenon can not take place, make that the life-span of described heat-generating pipe is longer yet.
(2) owing to arrive described light-sensitive element after the light process refraction of described heat-generating pipe of described light emitting devices emission, with respect to heat conducting hysteresis, flash ranging can be thought instant, so this detection reaction is faster.In the described heat-generating pipe during lack of water bottom electrode below can produce bubble, the light of described light emitting devices emission is through described heat-generating pipe the time, can deflect with respect to default light path, cause described light-sensitive element induction less than optical signal, so should detect judge more accurate.Owing to whether can detect in whole described heat-generating pipes lack of water, so the cost of described steam raising plant and described family electricity consumption steam box is lower.
Other beneficial effect in the utility model also will further specify in specific embodiment.
Description of drawings
Fig. 1 is the decomposing schematic representation of checkout gear in the steam raising plant in the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3-the 1st, the light path schematic diagram when the utility model detects a heat-generating pipe;
Fig. 3-the 2nd, the light path schematic diagram when the utility model detects two heat-generating pipes;
Fig. 3-the 3rd, the utility model detect three light path schematic diagrames that become the heat-generating pipe of curved arrangement;
Fig. 3-the 4th, the utility model detect four light path schematic diagrames that become the heat-generating pipe of curved arrangement;
The marking explanation of each several part structure in the accompanying drawing:
1-shunt valve, 11-bearing I, 111-light emitting devices, 112-inclined hole I, 12-bearing II, 121-light-sensitive element, 122-inclined hole II, 123-adjustment hole, 13-regulate bolt, 2-heat-generating pipe, 21-bottom electrode, 3-steam raising plant.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with embodiment and accompanying drawing.Should be appreciated that the described specific embodiment of this part only can be in order to explaining the utility model, and be not used in qualification the utility model.
The utility model is the improvement to the steam raising plant of the heat-generating pipe with printing opacity or local printing opacity and tame electricity consumption steam box, no longer repeat to set forth the structure of steam raising plant and tame electricity consumption steam box at this utility model, only describe light emitting devices 111 and the light-sensitive element of using thereon 121.
As shown in Figure 1, the utility model steam raising plant 3 comprises heat-generating pipe 2, light emitting devices 111, light-sensitive element 121 and the control circuit of shunt valve 1, three local printing opacities of printing opacity or lower end, the arrangement that is in line of three described heat-generating pipes 2, the two ends of described shunt valve 1 are respectively arranged with bearing I 11 and bearing II12, and three described heat-generating pipes 2, described bearing I 11 and described bearing II 12 are arranged on the same straight line.
Whether described light emitting devices 111 and described light-sensitive element 121 are arranged on the lower end of the bottom electrode 21 of described heat-generating pipe 2, have bubble to emerge in the described heat-generating pipe 2 whether to sense optical signal by described light-sensitive element 121 to determine.It is anti-to emerge as continuous several bubbles, and described light-sensitive element 121 continues induction less than optical signal, judges that just described heat-generating pipe 2 is in exsiccosis and is about to dry combustion method, and control circuit cuts off the heating power supply of described heat-generating pipe 2.
As shown in Figure 2, described bearing I 11 is provided with inclined hole I 112, described light emitting devices 111 is arranged among the described inclined hole I 112, described bearing II 12 is provided with inclined hole II 122 and adjustment hole 123, described light-sensitive element 121 is arranged among the described inclined hole II 122, described shunt valve 1 is provided with the adjusting bolt 13 that matches with described adjustment hole 123, described bearing II 12 can serve as that axle rotates with described adjusting bolt 13, described bearing II 12 also can rotate along described adjustment hole 123, its objective is that regulating the described light-sensitive element 121 that is arranged among the described bearing II 12 makes it vertical receiving optical signals.
Described light emitting devices 111 can be laser diode, any light source and snoot or any light source and set of lenses.Its effect is to produce a branch of directional light with certain intensity.
Described light-sensitive element 121 can be photodiode, phototriode, photo resistance or photosensitive switch.Its effect is a receiving optical signals, when not sensing optical signal, produces action and makes control circuit disconnect the heating power supply of described heat-generating pipe 2.
Incidence angle when the light of described light emitting devices 111 emissions arrives the outer surface of first described heat-generating pipe 2 must satisfy: (1) light is through after the refraction of all described heat-generating pipes 2, can arrive described light-sensitive element 121, and have enough intensity to be responded to by described light-sensitive element 121; (2) when having bubble to emerge in any described heat-generating pipe 2, described light-sensitive element 121 all can not receive optical signal.
The utility model in the described heat-generating pipe 2 whether the detection of lack of water be in described heat-generating pipe 2, to be equipped with under the state of water to carry out.The light of described light emitting devices 111 emissions is according to the law of refraction (n of light by air, glass, water through reaching the refractive light paths of described light-sensitive element 121 after the refraction of described heat-generating pipe 2
12=sin θ i/sin θ t) determines.
The angle excursion of described inclined hole I 112 determines that according to described incidence angle if the angle of described incidence angle and horizontal plane is θ, the angle excursion of then described inclined hole I 112 is θ.If the angle of described incidence angle and horizontal plane is zero, then inclined hole I 112 should corresponding setting become straight hole.
The angle excursion of described inclined hole II 122 is to require to determine perpendicular to the optical signal behind superrefraction according to described light-sensitive element 121.
The utility model is set described incidence angle earlier, determines light path, and the position of described light generating apparatus 111 and described light-sensitive element 121 is set at last.
If the bottom of described heat-generating pipe 2 is full communicating, can only detect wherein one or more described heat-generating pipe 2 arbitrarily, replace detection to whole described heat-generating pipes 2.Described light-sensitive element 121 just is provided with after having determined light path.As Fig. 3-the 1st, the light of described light emitting devices 111 emissions detects a described heat-generating pipe 2, reaches the index path of described light-sensitive element 121 behind superrefraction.As Fig. 3-the 2nd, the light of described light emitting devices 111 emissions detects two described heat-generating pipes 2, reaches the index path of described light-sensitive element 121 behind superrefraction.
If be provided with three the above heat-generating pipes 2, and require to detect whole described heat-generating pipes 2., can so also make things convenient for the layout of light path by described heat-generating pipe 2 being arranged in curve to satisfy whole detections to three the above heat-generating pipes 2.Described heat-generating pipe 2 and described light-sensitive element 121 just are provided with after having determined light path.As Fig. 3-the 3rd, the light of described light emitting devices 111 emissions detects the not described heat-generating pipe 2 of three on same straight line, reaches the index path of described light-sensitive element 121 behind superrefraction.As Fig. 3-the 4th, the light of described light emitting devices 111 emissions is detected as four described heat-generating pipes 2 of curved arrangement, reaches the index path of described light-sensitive element 121 behind superrefraction.
From the above mentioned, can know that whether described light emitting devices 111 and described light-sensitive element 121 can all detect lack of water to three the above heat-generating pipes 2, be to realize by the position of arranging described heat-generating pipe 2.The alignment curve of described heat-generating pipe 2 is according to n
12=sin θ i/sin θ t (light that is 111 emissions of described light emitting devices can pass through whole described heat-generating pipes 2), and when described bottom electrode 21 does not emit bubble guarantees that described light-sensitive element 121 can sense optical signal.
Operation principle of the present utility model and process:
Described heat-generating pipe 2 is when operate as normal, and the below of described bottom electrode 21 does not emit bubble; Described heat-generating pipe 2 is when exsiccosis is worked, and the phenomenon of bubble appears emitting in the below of described bottom electrode 21.The utility model utilizes this phenomenon that described light emitting devices 111 and described light-sensitive element 121 are set, whether the below of described bottom electrode 21 emits bubble whether to sense optical signal by described light-sensitive element 121 is determined, judge whether lack of water of described heat-generating pipe 2, the light that sets in advance described light emitting devices 111 emissions arrives described light-sensitive element 121 photosensitive areas by the described heat-generating pipe 2 that does not emit bubble.Because light is in water, glass, airborne refractive index difference, when light when emitting the described heat-generating pipe 2 of bubble, light path can deflect.The light of described light emitting devices emission 111 can arrive the photosensitive area of the described light-sensitive element 121 that sets in advance by the described heat-generating pipe 2 that does not emit bubble, judge not lack of water of described heat-generating pipe 2, operate as normal, control circuit are not cut off the heating power supply of described heat-generating pipe 2; And the light of described light emitting devices 111 emissions is when emitting the described heat-generating pipe 2 of bubble, light deflects and can not reach the photosensitive area of described light-sensitive element 121, judge described heat-generating pipe 2 lacks of water, to produce the dry combustion method phenomenon, described control circuit cuts off the heating power supply of described heat-generating pipe 2, thereby effectively prevents the dry combustion method phenomenon under described heat-generating pipe 2 also has the situation of water.
Claims (9)
1. steam raising plant, the heat-generating pipe (2) that comprises the local printing opacity in shunt valve (1), printing opacity or lower end, it is characterized in that: the lower end of the bottom electrode (21) of described heat-generating pipe (2) is provided with light emitting devices (111) and light-sensitive element (121), the light of described light emitting devices (111) emission arrives described light-sensitive element (121) through the refraction of at least one described heat-generating pipe (2), and the light of described light emitting devices (111) emission does not pass through the axle center of described heat-generating pipe (2).
2. steam raising plant according to claim 1 is characterized in that: the light of described light emitting devices (111) emission arrives described light-sensitive element (121) through the refraction of whole described heat-generating pipes (2).
3. steam raising plant according to claim 1 is characterized in that: an end of described shunt valve (1) is provided with described bearing II (12), and described light-sensitive element (121) is arranged in the inclined hole II (122) of described bearing II (12).
4. steam raising plant according to claim 3 is characterized in that: described bearing II (12) is provided with adjustment hole (123), and described bearing II (12) is movably arranged on the described shunt valve (1) by described adjustment hole (123).
5. steam raising plant according to claim 4 is characterized in that: the other end of described shunt valve (1) is provided with bearing I (11), and described light emitting devices (111) is arranged in the inclined hole I (112) of described bearing I (11).
6. steam raising plant according to claim 5 is characterized in that: described inclined hole I (112) is arranged on the plane vertical with described heat-generating pipe (2) with described inclined hole II (122).
7. steam raising plant according to claim 1 is characterized in that: described light emitting devices (111) can be a laser diode, also can be the combination of arbitrary light source and snoot or set of lenses.
8. according to each described steam raising plant in the claim 1 to 7, it is characterized in that: this steam raising plant comprises at least three described heat-generating pipes (2), and described heat-generating pipe (2) becomes curved arrangement.
9. tame electricity consumption steam box that comprises each described steam raising plant in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205735177U CN201852072U (en) | 2010-10-21 | 2010-10-21 | Steam generator and household electric steamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205735177U CN201852072U (en) | 2010-10-21 | 2010-10-21 | Steam generator and household electric steamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852072U true CN201852072U (en) | 2011-06-01 |
Family
ID=44094463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205735177U Expired - Lifetime CN201852072U (en) | 2010-10-21 | 2010-10-21 | Steam generator and household electric steamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012015A (en) * | 2010-10-21 | 2011-04-13 | 晶辉科技（深圳）有限公司 | Steam generation device and household electric steam box |
-
2010
- 2010-10-21 CN CN2010205735177U patent/CN201852072U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012015A (en) * | 2010-10-21 | 2011-04-13 | 晶辉科技（深圳）有限公司 | Steam generation device and household electric steam box |
| CN102012015B (en) * | 2010-10-21 | 2012-10-03 | 晶辉科技（深圳）有限公司 | Steam generation device and household electric steam box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110601 Effective date of abandoning: 20121003 |