CN215765008U - Steam generator - Google Patents
Steam generator Download PDFInfo
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- CN215765008U CN215765008U CN202121958084.1U CN202121958084U CN215765008U CN 215765008 U CN215765008 U CN 215765008U CN 202121958084 U CN202121958084 U CN 202121958084U CN 215765008 U CN215765008 U CN 215765008U
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- temperature controller
- steam generator
- heating
- shell
- water inlet
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- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000008236 heating water Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The present invention provides a steam generator, comprising: the water storage device comprises a shell, a water inlet and a water outlet, wherein the shell is hollow, one end of the shell is opened to form an accommodating cavity, and the shell is provided with the water inlet; the heating core comprises a core body and an end cover connected with the bottom end of the core body, the end cover is arranged at the opening of the shell body in a covering mode, and the core body is arranged in the accommodating cavity; the heating cavity is internally provided with a heating element for heating water in the heating cavity, and the end cover is provided with a steam outlet for spraying steam; and the temperature control assembly comprises a first temperature controller and a second temperature controller, the first temperature controller is arranged on the end face of the end cover positioned outside the shell, the second temperature controller is arranged at the top end of the core body, and the first temperature controller and the second temperature controller are connected with the heating element in series. The steam generator is simple in structure and convenient to use, double protection of the steam generator is achieved by arranging the temperature controllers at the top ends of the end cover and the core body, and the overtemperature protection sensitivity is remarkably improved.
Description
Technical Field
The utility model belongs to the technical field of steam household appliances, and particularly relates to a steam generator.
Background
As the steam generating apparatus is applied to home electric appliances more and more widely, there are more and more steam generating apparatuses having various functions and various structures. The demand for miniaturization of the steam generator is increasing; in particular, a structure in which a heat generating core internally provides heating heat and a case externally wraps and seals 5 sides of the heat generating core is increasingly used in a steam generator.
The steam generator can not be heated continuously, otherwise, the heating element can be damaged due to overhigh temperature, the effect of the steam generator is lost, and even a fire disaster can be caused to influence the life and property safety of a user. Due to the above characteristics, overtemperature protection measures are required. The method adopted by most of overtemperature protection is that a temperature controller is arranged on the exposed surface of a heating core, the temperature controller is connected with a heating element in series, when the temperature exceeds a certain specified temperature, the temperature controller is automatically switched off, and a steam generator stops heating. However, this protection method has its own disadvantages, and due to the limitation of the use direction of the steam generator, the exposed surface of the heating core is the surface with the lowest temperature, and the temperature controller is just mounted on this surface, so that the temperature controller cannot be tripped in time, or the temperature of other parts of the steam generator is already over-heated when tripped, which may seriously cause the heating element to be blown out and fail or cause fire.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steam generator aiming at the technical problems, the steam generator is simple in structure and convenient to use, double temperature protection of the steam generator is realized by arranging temperature controllers on end covers at the top end of a core body and the bottom end of the core body of a heating core, the steam generator is more sensitive to temperature change, and the safety level of the steam generator is effectively improved.
In order to achieve the purpose, the utility model adopts the technical scheme that: provided is a steam generator, including:
the water storage device comprises a shell, a water inlet and a water outlet, wherein the shell is hollow, one end of the shell is opened to form an accommodating cavity, and the shell is provided with the water inlet;
the heating core comprises a core body and an end cover connected with the bottom end of the core body, the end cover is arranged at the opening of the shell body in a covering mode, and the core body is arranged in the accommodating cavity; the heating cavity is internally provided with a heating element for heating water in the heating cavity, and the end cover is provided with a steam outlet for spraying steam;
and the temperature control assembly comprises a first temperature controller and a second temperature controller, the first temperature controller is arranged on the end face of the end cover positioned outside the shell, the second temperature controller is arranged at the top end of the core body, and the first temperature controller and the second temperature controller are connected with the heating element in series.
In other embodiments of the present application, a through hole is disposed at an end of the housing opposite to the opening, and the second thermostat passes through the through hole and extends to an outside of the housing.
In other embodiments of the present application, a sealing ring is disposed between the second temperature controller and the through hole, and the second temperature controller is sleeved with the sealing ring.
In some other embodiments of the present application, the heating element is a heating tube with threads, and both ends of the heating tube extend to the outside of the end cap and are connected to the electrodes.
In some other embodiments of the present application, the steam generator further comprises a water inlet pipe, one end of the water inlet is protrudingly disposed outside the housing, and the other end thereof is communicated with the heating cavity through the water inlet passage.
In other embodiments of the present application, a check valve is disposed behind the water inlet.
In other embodiments of the present application, the water inlet is disposed on a side wall of the housing.
In other embodiments of the present application, the first temperature controller and the second temperature controller are fixedly connected to the heat generating core through screws.
Compared with the prior art, the utility model has the advantages and positive effects that:
the utility model provides a steam generator, which realizes double temperature protection of the steam generator by arranging a first temperature controller and a second temperature controller on an end cover at the bottom end of a core body and the top end of the core body respectively, wherein the first temperature controller and the second temperature controller are connected with a heating element in series; because the interior liquid water gathering of steam generator is in the core bottom that generates heat, it is much greater than the core bottom exposed surface temperature that leads to generating heat core top temperature, and the second temperature controller of installing on the core top that generates heat this moment is more sensitive to the temperature reaction to make the overtemperature prote more sensitive. Meanwhile, a sealing ring is additionally arranged between the second temperature controller and the shell, so that the internal air tightness is ensured, and the separation of water vapor and an electric element is realized. The steam generator is simple in structure and convenient to use, and the service life of a product is remarkably prolonged and the safety risk of the product is reduced due to more sensitive over-temperature protection.
Drawings
Fig. 1 is a schematic view of an overall structure of a steam generator according to an embodiment of the present invention 1;
FIG. 2 is a schematic view of the overall structure of a steam generator according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating an exploded structure of a steam generator according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a temperature controller control circuit according to an embodiment of the present invention.
In the above figures: a housing 1; a water inlet 11; a heat generating core 2; an end cap 21; a vapor outlet 211; a heating element 212; a core 22; a first temperature controller 3; a second temperature controller 4; a seal ring 5; and a through hole 6.
Detailed Description
The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
For better understanding of the above technical solutions, the following detailed descriptions are provided with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, in an exemplary embodiment of a steam generator of the present invention, the steam generator includes a case 1, a heat generating core 2, a temperature control assembly, and a water inlet passage.
Referring to fig. 2, the case 1 is hollow inside and has an open end to form a receiving cavity for receiving a portion of the heating core 2, the case 1 is provided with a water inlet 11, and one end of the water inlet 11 is protrudingly disposed outside the case 1 to be connected to an external water source, so as to introduce the external water source into the steam generator. In this embodiment, the water inlet 11 is preferably disposed on the side wall of the housing 1 and close to the opening, and a one-way valve is disposed behind the water inlet 11.
Referring to fig. 2 and 3, the heat generating core 2 is an aluminum alloy die-cast structure, and includes a core 22 and an end cap 21 connected to a bottom end of the core 22. Wherein, the core 22 is arranged in the containing cavity, and the end cover 21 is covered on the opening of the shell 1. The core body 22 is internally provided with a heating cavity, and the other end of the water inlet 11 is communicated with the heating cavity through a water inlet channel and is used for adding an external water source into the heating cavity; a heating element 212 is arranged in the heating cavity for heating water in the heating cavity to generate steam, and a steam outlet 211 is arranged on the end cover 21 for ejecting the steam generated in the heating cavity. In this embodiment, the heating element 212 is a threaded heating tube, and two ends of the heating element extend to the outside of the end cap 21 and are connected to the electrodes.
Referring to fig. 4, the thermostat assembly includes a first thermostat 3 and a second thermostat 4, and the first thermostat 3 and the second thermostat 4 are connected in series with a heating element 212. Referring to fig. 1 and 2, the first thermostat 3 is mounted on an end surface of the end cover 21 located outside the housing 1, the second thermostat 4 is mounted on a top end of the core 22, and a through hole is provided at an end of the housing 1 opposite to the opening, and the second thermostat 4 extends outside the housing 1 through the through hole 6. In this embodiment, the first temperature controller 3 and the second temperature controller 4 are both fixedly connected to the heating core 2 by screws. And the temperature controller is connected with the heating element 212 in series, and any temperature controller generates an open circuit due to overtemperature, so that the whole circuit generates an open circuit, and the double protection of the steam generator is realized.
The steam generator provided by the utility model can be widely applied to household appliances such as steam mops, garment steamer, dish washer, washing machine, clothes dryer, clothes nursing cabinet and the like. The first temperature controller 3 and the second temperature controller 4 are respectively arranged at the top ends of the end cover 21 and the core body 22, so that double temperature protection of the steam generator is realized; and the second temperature controller 4 sets up on the top of core 22, and its contact surface temperature is higher, compares in first temperature controller 3 more sensitive to the temperature reaction to make the overtemperature prote more sensitive, the effect that plays temperature protection that can be better.
Specifically, the steam generator has a limitation in the direction of use, that is, the end face of the end cover 21 located outside the housing 1 is placed downward, that is, the exposed end face of the end cover 21 is placed downward. In this case, water inside the steam generator will gather on the end cover 21 due to gravity, the heating element 212 heats the water to form a low temperature boiling water area, and steam generated by the heat absorption boiling of the water in the low temperature boiling water area gathers on the top of the core 22 to form a high temperature steam area and finally is ejected from the steam outlet 211. Because the heat exchange effect of water, the heat in the heating cavity is mostly absorbed by water, and the specific heat capacity of steam is far less than the vaporization sensible heat and the latent heat of water, so the exposed end face of the end cover 21 is the face with the lowest temperature, the first temperature controller 3 is installed on the end face, the second temperature controller 4 is installed on the top end of the core 22 with the high temperature, and the first temperature controller 3 and the second temperature controller 4 act together to improve the overtemperature protection effect.
Further, referring to fig. 2, a sealing ring 5 is arranged between the second temperature controller 4 and the through hole 6, and the sealing ring 5 is sleeved on the second temperature controller 4, so that the air tightness inside the steam generator is ensured, the separation of the steam from the second temperature controller is realized, and the temperature controller is prevented from being influenced by the steam.
The utility model provides a steam generator, wherein a first temperature controller and a second temperature controller are respectively arranged on an end cover at the bottom end of a core body and the top end of the core body, and the first temperature controller and the second temperature controller are connected with a heating element in series, so that double temperature protection of the steam generator is realized, and the second temperature controller is more sensitive to temperature reaction, so that overtemperature protection is more sensitive. The steam generator is simple in structure and convenient to use, and the service life of a product is remarkably prolonged and the safety risk of the product is reduced due to more sensitive over-temperature protection.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. A steam generator, comprising:
the water storage device comprises a shell, a water inlet and a water outlet, wherein the shell is hollow, one end of the shell is opened to form an accommodating cavity, and the shell is provided with the water inlet;
the heating core comprises a core body and an end cover connected with the bottom end of the core body, the end cover is arranged at the opening of the shell body in a covering mode, and the core body is arranged in the accommodating cavity; the heating cavity is internally provided with a heating element for heating water in the heating cavity, and the end cover is provided with a steam outlet for spraying steam;
and the temperature control assembly comprises a first temperature controller and a second temperature controller, the first temperature controller is arranged on the end face of the end cover positioned outside the shell, the second temperature controller is arranged at the top end of the core body, and the first temperature controller and the second temperature controller are connected with the heating element in series.
2. The steam generator of claim 1, wherein an end of the housing opposite to the opening is provided with a through hole, and the second thermostat extends to an outside of the housing through the through hole.
3. The steam generator of claim 2, wherein a sealing ring is disposed between the second thermostat and the through hole, and the sealing ring is sleeved on the second thermostat.
4. The steam generator of claim 1, wherein the heating element is a threaded heating tube having two ends extending to the outside of the end cap and connected to the electrode.
5. The steam generator of claim 1, further comprising a water inlet pipe having one end protrudingly disposed outside the housing and the other end communicating with the heating chamber through a water inlet passage.
6. The steam generator of claim 1 or 5, wherein a one-way valve is provided after the water inlet.
7. The steam generator of claim 1, wherein the water inlet is disposed on a side wall of the housing.
8. The steam generator of claim 1, wherein the first thermostat and the second thermostat are fixedly connected to the heat generating core by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958084.1U CN215765008U (en) | 2021-08-19 | 2021-08-19 | Steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958084.1U CN215765008U (en) | 2021-08-19 | 2021-08-19 | Steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215765008U true CN215765008U (en) | 2022-02-08 |
Family
ID=80076742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121958084.1U Expired - Fee Related CN215765008U (en) | 2021-08-19 | 2021-08-19 | Steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215765008U (en) |
-
2021
- 2021-08-19 CN CN202121958084.1U patent/CN215765008U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |