CN210662790U

CN210662790U - Steam generator

Info

Publication number: CN210662790U
Application number: CN201921130459.8U
Authority: CN
Inventors: 徐敏霞
Original assignee: Zhejiang Huaguang Electric Appliance Group Co Ltd
Current assignee: Zhejiang Huaguang Electric Appliance Group Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-02
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a steam generator, include and follow supreme heat-generating body, the steam generation chamber and the liquid-vapor separation chamber that set gradually down, the steam generation chamber on seted up into the water interface, the liquid-vapor separation chamber on seted up out the steam port, the steam generation chamber on still seted up the steam port, the steam generation chamber communicate with the liquid-vapor separation chamber each other through last steam port, the lower basin that communicates with the inside in steam generation chamber is still seted up to the up end in steam generation chamber. The utility model has the advantages of simple and reasonable structure, small in size can use in small-size electrical apparatus, has the liquid-vapor separation structure of multichannel, can effectively liquefy the easy liquefied unstable steam of part in advance to setting through multichannel barrier structure ensures that the steam outlet spun all is steam, prevents that liquefied water from the steam outlet blowout, thereby eliminates the potential safety hazard, ensures good result of use.

Description

Steam generator

Technical Field

The utility model relates to a steam generation field, especially a small-size steam generator who is applied to domestic appliance fields such as steam footbath, ironing machine.

Background

Steam generators (commonly known as boilers) are mechanical devices that use the heat energy of a fuel or other energy source to heat water into hot water or steam.

A steamer and a steam foot basin are common devices with a steam generating function, and generally comprise a water storage cavity, a heating cavity with a steam outlet, a flow guide channel for communicating the water storage cavity and the heating cavity, and a heating element arranged in the heating cavity.

The heating elements of prior art garment blanchers and steam footbaths are typically disposed on the bottom of the heating chamber, while the steam outlet is typically located at the upper or front end of the stiffening chamber. Because of lacking effectual manger plate structure, water is directly spout from the steam outlet easily when the heating chamber is heated to boil, has certain potential safety hazard. Meanwhile, when steam rises to the steam outlet or touches the inner wall of the heating cavity near the steam outlet, partial steam can be liquefied, the temperature of the steam is slightly lower than that of the steam, the steam is still very hot and can be sprayed out from the steam outlet along with the driving of the steam, so that the steam is not smooth, serious potential safety hazards exist, and clothes are easily ironed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned deficiency of the prior art, the utility model provides a steam generator.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides a steam generator, includes from supreme heat-generating body, the steam generation chamber and the liquid-vapor separation chamber that set gradually down, the steam generation chamber on seted up into water interface, the liquid-vapor separation chamber on seted up out the vapour mouth, the steam generation chamber on still seted up the vapour mouth, the steam generation chamber through last vapour mouth and liquid-vapor separation chamber intercommunication each other, the lower basin that communicates with the inside in steam generation chamber is still seted up to the up end in steam generation chamber.

Preferably, the upper end surface of the steam generating cavity is obliquely arranged, and the lower water tank is arranged at the lowest position of the upper end surface of the steam generating cavity.

Preferably, the upper end of the steam generating cavity is provided with a raised part for guiding steam upwards in a protruding manner, the upper steam port is arranged on the raised part, the raised part is also provided with a steam guiding cavity, the steam guiding cavity is communicated with the upper steam port, and the steam guiding cavity is also provided with a lower opening communicated with the inside of the steam generating cavity.

Preferably, the upper steam port is located at the front end of the bulge, the steam outlet is arranged at the front end of the liquid-steam separation cavity, and the position of the steam outlet is higher than that of the upper steam port.

Preferably, the upper steam port is arranged obliquely upwards, and the upper steam port is opposite to the inner wall at the front end of the liquid-steam separation cavity.

Preferably, a separation wall is arranged in the flow guide cavity, the separation wall divides the flow guide cavity into a first upper steam chamber and a second upper steam chamber, the upper steam port is arranged at the front end of the first upper steam chamber, an air passing gap is arranged between the upper end of the separation wall and the inner top of the flow guide cavity, and the second upper steam chamber is communicated with the first upper steam chamber through the air passing gap.

Preferably, the edge of the upper end of the steam generating cavity is provided with a circle of groove, the edge of the lower end of the liquid-steam separation cavity is provided with a circle of blank pressing in a downward protruding mode, and the blank pressing is clamped into the groove.

Preferably, a sealing ring is further arranged in the groove.

Preferably, the steam generating cavity comprises a runner bottom plate and a cavity body covered on the runner bottom plate, the runner bottom plate is attached to the heating body, a plurality of runner grooves are formed in the runner bottom plate, and the runner grooves are communicated with the water inlet interface.

Preferably, a flow blocking rib is arranged in the water inlet interface.

The beneficial effects of the utility model reside in that: simple structure is reasonable, and small in size can use in small-size electrical apparatus, has the liquid-vapor separation structure of multichannel, can effectively liquefy the easy liquefied unstable steam of part in advance to setting through the multichannel stops the structure, ensure that the steam outlet spun all is steam, prevent that the liquefied water from the steam outlet blowout, thereby eliminate the potential safety hazard, ensure good result of use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural diagram of the usage state of the present invention.

FIG. 5 is a schematic view of the steam generating chamber cavity.

FIG. 6 is another schematic view of the steam generating chamber cavity.

FIG. 7 is a schematic view of the structure of the liquid-vapor separation chamber.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-7, a steam generator includes from supreme heat-generating body 1, the steam generation chamber 2 that sets gradually down and liquid-vapor separation chamber 3, steam generation chamber 2 on seted up into water interface 4, liquid-vapor separation chamber 3 on seted up steam outlet 5, steam generation chamber 2 on still seted up steam outlet 6, steam generation chamber 2 through last steam outlet 6 and liquid-vapor separation chamber 3 intercommunication each other, steam generation chamber 2's up end still sets up the lower basin 7 with the inside intercommunication in steam generation chamber 2.

The utility model discloses in the use, steam enters into to liquid-vapor separation chamber 3 from last vapour mouth 6, because the existence of difference in temperature, and steam can touch the inner wall of liquid-vapor separation chamber 3, therefore partial steam can liquefy into the water droplet, these water droplets partly can be followed high temperature steam and together spout, another part is then attached in the inner wall or falls to the bottom of liquid-vapor separation chamber 3, and the water on the inner wall still finally falls to the bottom of liquid-vapor separation chamber 3, thereby lead to the water droplet to remain in liquid-vapor separation chamber 3 for a long time, breed the bacterium easily, and non-professional personage is difficult to clear away, can gather a large amount of water droplets after the live time is permanent, direct influence is to normal use. The embodiment provides a new scheme to solve the above existing defects, and specifically includes: the upper end surface of the steam generating cavity 2 is obliquely arranged, and the lower water trough 7 is arranged at the lowest position of the upper end surface of the steam generating cavity 2. The upper end face that adopts the slope to set up can carry out the water conservancy diversion to the water droplet of liquefaction, controls its direction that flows, and rethread lower basin 7 that sets up in the lower for the water droplet of liquefaction can fall back to steam generation chamber 2 from liquid vapour separation chamber 3, carries out the repeated heating utilization, eliminates the phenomenon that the water droplet of liquefaction gathers in liquid vapour separation chamber 3. In addition, after use, part of the steam can be retained in the liquid-steam separation chamber 3 and liquefied into water along with the reduction of the temperature, and the part of the water can also fall back to the steam generation chamber 2 through the water dropping tank 7 so as to be reused in the next use.

In this embodiment, the upper end of the steam generating chamber 2 is provided with a protruding portion 8 protruding upward for guiding steam, the upper steam port 6 is arranged on the protruding portion 8, the protruding portion 8 is further provided with a guiding chamber 9, the guiding chamber 9 is communicated with the upper steam port 6, and the guiding chamber 9 is further provided with a lower opening communicated with the inside of the steam generating chamber 2. According to the natural principle that hot gas rises and cold gas sinks, steam generated in the steam generator moves upwards, so that the steam can automatically gather in the flow guide cavity 9 and flow towards the upper steam port 6 by the arrangement of the bulge part 8 and the bulge part which protrudes out of the upper end of the steam generation cavity 2.

Because the liquid-steam separation cavity 3 and the steam generation cavity 2 are two separate cavities, the environmental factors such as the temperature of the two cavities are slightly different, the steam is sprayed from the upper steam port 6 to the liquid-steam separation cavity 3 and then needs to be sprayed from the steam outlet 5, and in the stage from the upper steam port 6 to the steam outlet 5, part of unstable steam can be liquefied into water, and the part of water is easily sprayed out from the steam outlet 5 along with the steam, so that the safety risk exists. For this reason, the utility model discloses carry out specific overall arrangement to the position of last vapour mouth 6 and play vapour mouth 5, last vapour mouth 6 be located the front end of uplift portion 8 just leans on last position, play vapour mouth 5 set up the front end of liquid-vapor separation chamber 3, just the position of play vapour mouth 5 is higher than go up the position of vapour mouth 6, the slope of going up vapour mouth 6 set up, just last vapour mouth 6 just right the inner wall of liquid-vapor separation chamber 3 front end. Through the setting of

last steam vent

6 and 5 difference in height of steam outlet, form the effect of dislocation for steam or water droplet from last steam vent 6 spun can't follow steam outlet 5 direct blowout, but contact the inner wall of liquid-vapor separation chamber 3 first, both blockked original water droplet that has liquefied, can also be with partial unstable steam liquefaction and stay in liquid-vapor separation chamber 3. Moreover, the orientation of the upper steam port 6 is set, and the steam outlet is inclined upwards, so that the motion rule of the steam is met, the steam flows faster, and the overall steam outlet efficiency is improved.

In order to guide more steam to the upper steam port 6, the size of the flow guide cavity 9 is relatively large, the steam close to the front end of the flow guide cavity 9 is relatively stable due to the fact that the steam is close to the upper steam port 6, and can flow into the liquid-steam separation cavity 3 from the upper steam port 6, the steam close to the rear end of the flow guide cavity 9 is far away from the upper steam port 6, the stability of the steam is reduced when the steam moves to the upper steam port 6, and partial steam is even liquefied, so that even if the steam can flow into the liquid-steam separation cavity 3 in a steam state, the steam is liquefied in the liquid-steam separation cavity 3 at a higher probability. In this embodiment, a partition wall 11 is disposed in the diversion cavity 9, the partition wall 11 divides the diversion cavity 9 into a first upper steam chamber 12 and a second upper steam chamber 13, the upper steam port 6 is disposed at the front end of the first upper steam chamber 12, an air passing gap 14 is disposed between the upper end of the partition wall 11 and the inner top of the diversion cavity 9, and the second upper steam chamber 13 is communicated with the first upper steam chamber 12 through the air passing gap 14. By adopting the arrangement of the partition wall 11 in the embodiment, the flow guide cavity 9 is divided into two parts, so that the steam close to the upper steam port 6 can move along the first upper steam chamber 12, the condition of diffusion at four positions is reduced, and the steam outlet efficiency is improved; while the steam far away from the upper steam port 6 can move along the second upper steam chamber 13, and the relatively unstable steam can meet the separation wall 11 during the movement, be liquefied in advance and remain in the steam generating chamber 2, only the steam with the highest temperature and drifting at the topmost in the second upper steam chamber 13 can flow into the first upper steam chamber 12 from the air gap 14 and finally flow into the liquid-steam separation chamber 3 from the upper steam port 6. The steam in the steam generating cavity 2 can be primarily screened, unstable steam which is easy to liquefy is left in the steam generating cavity 2 for secondary heating as far as possible, so that the probability of spraying high-temperature water drops from the steam outlet 5 is reduced, and better safety protection is improved.

In this embodiment, a circle of groove 15 is formed in the edge of the upper end of the steam generation cavity 2, a circle of blank holder 16 is convexly formed on the edge of the lower end of the liquid-steam separation cavity 3 downwards, and the blank holder 16 is clamped into the groove 15. The embodiment provides a liquid-vapor separation chamber 3 and steam generation chamber 2's cooperation fixed knot constructs, through the setting of round blank holder 16 and recess 15, can let liquid-vapor separation chamber 3 fix on steam generation chamber 2 steadily, and the operation is convenient enough. Preferably, a sealing ring 17 is further arranged in the groove 15. Through the setting of sealing washer 17, improve the sealing performance between steam generation chamber 2 and the liquid-vapor separation chamber 3 to prevent that steam or liquefied water droplet from flowing out from the gap between blank holder 16 and recess 15.

In this embodiment, the steam generating chamber 2 includes a flow channel bottom plate 18 and a cavity 19 covering the flow channel bottom plate 18, the flow channel bottom plate 18 is attached to the heating element 1, the flow channel bottom plate 18 is provided with a plurality of flow channel grooves 20, and the flow channel grooves 20 are communicated with the water inlet 4. Through the arrangement of the runner groove 20, the flowing length of the water flow can be prolonged, so that the water flowing through the runner groove 20 fully absorbs the heat of the heating body 1 and evaporates, thereby reducing the volume of the heating body 1 and improving the heat efficiency, reducing the cost, and fully vaporizing the cold water to avoid the water spraying phenomenon.

In this embodiment, a flow blocking rib 21 is disposed in the water inlet 4. Because the utility model discloses in can accomplish to get back to in the steam generation chamber 2 after the steam liquefaction, consequently steam generation chamber 2 middle water level can appear surpass and the water tank between balanced water level, produce the condition of backward flow to the water tank, influence the normal function of water tank. Through the setting of blocking the flow muscle 21, can play the effect of anti-return, its height changes according to the steam generator of different sizes, therefore can be according to the condition of actual test and decide.

When the utility model is used, a water source generally comes from the external water tank 22, then flows into the runner bottom plate 18 of the steam generation cavity 2 through the water inlet interface 4, flows in the curved runner groove 20 and is evaporated by the heating body to form steam, the steam rises to enter the flow guide cavity 9, part of unstable steam touches the cavity walls of the separation wall 11 and the flow guide cavity 9 to be liquefied into water and falls back to the runner bottom plate 18 to be evaporated for the second time, and the first liquid-steam separation is realized; the rest steam flows into the liquid-steam separation cavity 3 from the upper steam port 6, because environmental factors such as temperature in the liquid-steam separation cavity 3 are different from the steam generation cavity 2, part of steam in the liquid-steam separation cavity 3 can be liquefied into water, liquid-steam separation of the second channel is realized, the part of water can fall back to the runner bottom plate 18 through the lower water tank 7 for secondary evaporation, the recycling function is realized, meanwhile, the phenomenon that liquefied water drops are accumulated in the liquid-steam separation cavity 3 can be eliminated, the breeding of bacteria is reduced, and the long-time normal use of the steam generator is ensured.

Claims

1. A steam generator, characterized by: include from supreme heat-generating body, the steam generation chamber and the liquid-vapor separation chamber that set gradually down, the steam generation chamber on seted up into water interface, the liquid-vapor separation chamber on seted up out the vapour mouth, the steam generation chamber on still seted up the vapour mouth, the steam generation chamber through last vapour mouth and liquid-vapor separation chamber intercommunication each other, the last terminal surface in steam generation chamber still set up with the lower basin in the inside intercommunication in steam generation chamber.

2. The steam generator of claim 1, wherein: the upper end surface of the steam generation cavity is obliquely arranged, and the lower water tank is arranged at the lowest position of the upper end surface of the steam generation cavity.

3. The steam generator of claim 1, wherein: the upper end of the steam generation cavity is provided with a protruding part for guiding steam upwards in a protruding manner, the steam inlet is arranged on the protruding part, the protruding part is also provided with a steam guide cavity, the steam guide cavity is communicated with the steam inlet, and the steam guide cavity is also provided with a lower opening communicated with the inside of the steam generation cavity.

4. The steam generator of claim 3, wherein: the upper steam port is positioned at the front end of the bulge part, the steam outlet is arranged at the front end of the liquid-steam separation cavity, and the position of the steam outlet is higher than that of the upper steam port.

5. The steam generator of claim 3, wherein: the upper steam port is obliquely arranged upwards, and the upper steam port is just opposite to the inner wall at the front end of the liquid-steam separation cavity.

6. The steam generator of claim 3, wherein: the flow guide cavity is internally provided with a separation wall which divides the flow guide cavity into a first upper steam chamber and a second upper steam chamber, the upper steam port is arranged at the front end of the first upper steam chamber, an air passing gap is arranged between the upper end of the separation wall and the inner top of the flow guide cavity, and the second upper steam chamber is communicated with the first upper steam chamber through the air passing gap.

7. The steam generator of claim 1, wherein: the steam generating chamber is characterized in that a circle of groove is formed in the edge of the upper end of the steam generating chamber, a circle of blank pressing is arranged on the edge of the lower end of the liquid-steam separation chamber in a downward protruding mode, and the blank pressing is clamped into the groove.

8. The steam generator of claim 7, wherein: and a sealing ring is also arranged in the groove.

9. The steam generator of claim 1, wherein: the steam generation cavity comprises a runner bottom plate and a cavity body covered on the runner bottom plate, the runner bottom plate is attached to the heating body, a plurality of runner grooves are formed in the runner bottom plate, and the runner grooves are communicated with the water inlet interface.

10. The steam generator of claim 1, wherein: and a flow blocking rib is arranged in the water inlet port.