CN217584382U

CN217584382U - Steam generator

Info

Publication number: CN217584382U
Application number: CN202221161548.0U
Authority: CN
Inventors: 陈回勇; 黄志荣; 李智宏
Original assignee: Foshan Shunde Shuntianwei Electric Appliance Co ltd
Current assignee: Foshan Shunde Shuntianwei Electric Appliance Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-14
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a steam generator, include: heating element, vapor pipe and heating tube. The water vapor pipe comprises a water inlet section, a water vapor coil pipe section and a gas outlet section which are connected end to end. The water vapor coil pipe section is spirally coiled into a circular ring shape. The heating tube comprises a first connecting end, a heating coil section and a second connecting end which are connected end to end. The heating coil pipe section is spirally coiled into a circular ring shape and is coaxially arranged with the water vapor coil pipe section. The water vapor coil pipe section and the heating coil pipe section are both arranged in the heating body. The water inlet section and the air outlet section respectively extend to the outer side of the heating body along the left and right directions. The first connecting end and the second connecting end respectively extend to the outer side of the heating body along the left-right direction. The utility model discloses a steam generator, steam coil pipe section and heating coil pipe section all are the heliciform and coil the extension and coaxial setting, and the evaporating liquid can thermally equivalent in steam coil pipe section, effectively improves evaporation efficiency.

Description

Steam generator

Technical Field

The utility model relates to a steam equipment technical field, in particular to steam generator.

Background

Steam has long been used and conventional steam generators are bulky, also known as steam boilers. With the development of technology, the volume of the steam generator is reduced, and the steam generator is widely applied to household appliances such as a steam oven and a steam oven. For small steam generators, evaporation efficiency and stability are the attributes that most affect the user experience. The steam generator in the prior art still has the lower scheduling problem of evaporation efficiency and stability. The evaporator with lower evaporation efficiency is easy to bring out high-temperature liquid drops when steam is sprayed out, so that potential safety hazards exist; the evaporator with low stability is easy to overheat and shut down, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a steam generator to solve one or more technical problems in the prior art, and to provide at least one of the beneficial options and creation conditions.

The technical scheme adopted for solving the technical problems is as follows:

a steam generator comprising: a heating body, a water vapor pipe and a heating pipe;

the water vapor pipe comprises a water inlet section, a water vapor coil pipe section and a gas outlet section which are connected end to end, the water vapor coil pipe section is spirally coiled into a circular ring shape and is provided with a central axis extending up and down, the heating pipe comprises a first connecting end, a heating coil pipe section and a second connecting end which are connected end to end, and the heating coil pipe section is spirally coiled into a circular ring shape and is coaxially arranged around the central axis;

the water vapor coil pipe section and the heating coil pipe section are arranged in the heating body, the water inlet section and the air outlet section respectively extend to the outer side of the heating body along the left-right direction, and the first connecting end and the second connecting end respectively extend to the outer side of the heating body along the left-right direction.

The utility model provides a steam generator has following beneficial effect at least: the evaporated liquid can enter the water vapor pipe from the water inlet section and is conveyed along the water vapor pipe. In the process of conveying the evaporated liquid in the water vapor pipe, particularly the water vapor coil pipe section, the heating pipe is electrified to generate high temperature, the evaporated liquid in the water vapor pipe is heated, and the evaporated liquid is vaporized into steam and is sprayed out of the air outlet section. The steam pipe and the heating pipe can pass through the heating body is relatively fixed, the steam coil pipe section and the heating coil pipe section are arranged on the inner side of the heating body, and heat exchange between the heating pipe and the steam pipe can be carried out through the heating body, so that the evaporation effect is better. The steam generator of the utility model has the advantages that the steam coil pipe section and the heating coil pipe section are spirally coiled, extended and coaxially arranged, and a runner with enough length can be extended in a limited space, so that evaporated liquid can be fully heated and evaporated; can also make the evaporating liquid thermally equivalent in the steam coil section, heat utilization rate is high, compares in prior art and can effectively improve evaporation efficiency.

As a further improvement of the above technical solution, the spiral axes of the water vapor coil pipe section and the heating coil pipe section both extend in the up-down direction, the water inlet section and the air outlet section are respectively disposed at the top and the bottom of the water vapor coil pipe section, and the first connection end and the second connection end are respectively disposed at the top and the bottom of the heating coil pipe section.

As a further improvement of the technical scheme, the heating coil pipe section is coaxially arranged on the inner side of the water vapor coil pipe section. Through above-mentioned technical scheme, the inboard of steam coil pipe section is located to the coil pipe section that generates heat, and its heat can transmit the steam coil pipe section through the heat-generating body and absorb toward the in-process that diverges outward, runs off less, and heat utilization is high.

As a further improvement of the technical scheme, the end parts of the water inlet section and the air outlet section are respectively provided with a water inlet and an air outlet, and the peripheries of the water inlet and the air outlet are respectively provided with a sleeve part. Through the technical scheme, the water inlet pipeline and the air outlet pipeline can be tightly sleeved on the sleeve part so as to be communicated with the water vapor pipe.

As a further improvement of the above technical solution, the steam generator further includes a first temperature controller and a second temperature controller, the first temperature controller and the second temperature controller are respectively disposed on the left and right sides of the heating element and connected to the heating element, and the first temperature controller and the second temperature controller are respectively electrically connected to the first connecting end and the second connecting end. Through the technical scheme, the first temperature controller and the second temperature controller can monitor the temperature of the heating body in a multiple mode, overheating is avoided, and safety is greatly improved.

As a further improvement of the above technical solution, the periphery of the heating tube has an insulating layer, the first connecting end and the second connecting end are both provided with electric conductors exposed out of the insulating layer, the first connecting end and the second connecting end are both provided with silica gel sleeves, the silica gel sleeves are sleeved outside the electric conductors, and the silica gel sleeves and the electric conductors are both arranged outside the heating body. Through the technical scheme, the heating tube can be connected with a power supply through the conductor. The silica gel cover can entangle the electric conductor for the creepage distance of electric conductor can be covered by the silica gel cover of insulating, can not cause the heat-generating body electric leakage, improves the security of using.

As a further improvement of the technical scheme, the heating body is provided with two mounting ends, the mounting ends are provided with flat mounting surfaces, the two mounting surfaces are parallel and level, and the mounting ends are also provided with mounting screw holes extending along the direction perpendicular to the mounting surfaces. Through the technical scheme, the mounting surface can be tightly abutted to the mounting position through the screw in threaded connection with the mounting screw hole, so that the heating body can be mounted and fixed through the two mounting ends.

Drawings

The invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic perspective view of an embodiment of a steam generator according to the present invention;

fig. 2 is a schematic perspective view of an embodiment of a steam generator according to the present invention;

FIG. 3 is a top view of an embodiment of a steam generator provided by the present invention;

FIG. 4 is a front cross-sectional view of an embodiment of a steam generator provided by the present invention;

fig. 5 is a schematic perspective exploded view of an embodiment of a steam generator according to the present invention.

In the figure: 100. a heating element; 110. an installation end; 120. mounting grooves; 200. a water vapor pipe; 210. a water inlet section; 211. a water inlet; 220. a water vapor coil section; 230. an air outlet section; 231. an air outlet; 300. a heat-generating tube; 310. a first connection end; 320. a heating coil section; 330. a second connection end; 340. an electrical conductor; 350. a silica gel sleeve; 410. a first temperature controller; 420. a second temperature controller; 510. a first high temperature wire; 520. a second high temperature wire.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the steam generator of the present invention is made as follows:

a steam generator comprising: a heating body 100, a water vapor pipe 200, a heating pipe 300 and a temperature controller.

The steam pipe 200 is a hollow long tubular pipe.

In this embodiment, the steam pipe 200 is made of stainless steel. The stainless steel water vapor pipe 200 has the advantages of good heat conductivity, strong corrosion resistance, no corrosion and the like. In other embodiments, the water vapor tube 200 may be made of other heat conductive materials.

The steam pipe 200 includes a water inlet section 210, a steam coil section 220, and a gas outlet section 230. The water inlet section 210, the water vapor coil pipe section 220 and the air outlet section 230 are sequentially connected end to end.

The water vapor coil pipe section 220 is spirally coiled into a circular ring shape. The spiral shaft of the water vapor coil pipe section 220 extends along the up-down direction, the water inlet section 210 is arranged at the top of the water vapor coil pipe section 220, and the air outlet section 230 is arranged at the bottom of the water vapor coil pipe section 220.

The water vapor coil pipe section 220 is arranged in the heating body 100, and the water inlet section 210 and the air outlet section 230 extend along the left and right directions respectively. The end of the water inlet section 210 is provided with a water inlet 211, and the end of the air outlet section 230 is provided with an air outlet 231. The water inlet 211 and the air outlet 231 are both arranged outside the heating element 100.

The peripheries of the water inlet 211 and the air outlet 231 are provided with sleeve parts. In this embodiment, the sleeve portion is an annular protrusion disposed in multiple layers. The pipeline that advances water and give vent to anger and use can the interference fit locate on the sleeve pipe portion, annular protrusion can increase the friction, increases the deformation of pipeline in sleeve pipe portion department simultaneously for the cover is established more firmly, avoids leaking water and gas. The annular protrusion may also be inclined in a direction opposite to the water inlet 211 or the air outlet 231, so that the pipe is more easily inserted into the sleeve portion and is not easily separated therefrom. In other embodiments, the sleeve portion may be provided with a hose clamp, the hose clamp is sleeved outside the sleeve portion, and the hose is fastened to the sleeve portion by the hose clamp.

The heating tube 300 is in a long bar shape. The heat generating tube 300 includes a first connection end 310, a heat generating coil section 320, and a second connection end 330. The first connecting end 310, the heating coil section 320 and the second connecting end 330 are sequentially connected end to end.

The heating coil section 320 is spirally wound into a circular ring shape. The steam coil section 220 has a central axis extending up and down. The heating coil sections 320 are coaxially disposed about the central axis. The first connecting end 310 is arranged at the top of the heating coil section 320, and the second connecting end 330 is arranged at the bottom of the heating coil section 320.

The heating coil section 320 is also arranged in the heating body 100. In this embodiment, the diameter of the spiral coil of the steam coil pipe section 220 is larger than the diameter of the spiral coil of the heat-generating coil pipe section 320, and the heat-generating coil pipe section 320 is coaxially disposed on the inner side of the steam coil pipe section 220. The heating coil pipe section 320 can heat the water vapor coil pipe section 220 at the periphery thereof, so that the water vapor in the water vapor coil pipe section 220 can be vaporized. Compared with the heat dissipated by the heating coil pipe section 320 arranged on the outer side of the water vapor coil pipe section 220, the heat dissipated by the heating coil pipe section 320 arranged on the inner side of the water vapor coil pipe section 220 is more easily absorbed by the water vapor in the water vapor coil pipe section 220 in the process of outward diffusion, the heat dissipation is relatively less, and the utilization rate is higher.

The first connection end 310 and the second connection end 330 extend to the outside of the heating element 100 in the left-right direction, respectively.

In this embodiment, the heating element 100 is a cast member. The heating element 100 is formed by die casting and is wrapped outside the water vapor coil section 220 and the heating coil section 320. The thermostat includes a first thermostat 410 and a second thermostat 420. The first temperature controller 410 and the second temperature controller 420 are respectively disposed at left and right sides of the heating element 100. The first temperature controller 410 is connected to the left side of the heating body 100, and the second temperature controller 420 is connected to the right side of the heating body 100.

In this embodiment, the left and right sides of the heating element 100 are respectively provided with an installation groove 120 for the first temperature controller 410 and the second temperature controller 420 to be embedded therein. The two ends of the mounting groove 120 are provided with connection screw holes, and the first temperature controller 410 and the second temperature controller 420 are fixedly mounted in the mounting groove 120 through the connection screw holes.

The first temperature controller 410 is electrically connected to the first connection end 310, and the second temperature controller 420 is electrically connected to the second connection end 330.

The outer circumference of the heat generating tube 300 has an insulating layer, and the first and second connection ends 310 and 330 have a conductive body 340 extending along the heat generating tube 300 itself. The first connecting end 310 and the second connecting end 330 are both provided with a silica gel sleeve 350, and the silica gel sleeve 350 is sleeved outside the electric conductor 340. The silica gel sleeve 350 and the electric conductor 340 are arranged outside the heating body 100.

A first high temperature wire 510 is disposed between the first temperature controller 410 and the first connection end 310, and a second high temperature wire 520 is disposed between the second temperature controller 420 and the second connection end 330.

One end of the first high temperature wire 510 is connected to the terminal of the first temperature controller 410, and the other end is connected to the conductor 340 of the first connection end 310. One end of the second high temperature wire 520 is connected to the terminal of the second temperature controller 420, and the other end is connected to the conductor 340 of the second connection end 330.

The first high temperature wire 510 and the second high temperature wire 520 can realize the electrical connection between the first temperature controller 410 and the second temperature controller 420 and the conductor 340. And the joints of the two high-temperature wires and the electric conductor 340 are all sleeved with heat-shrinkable sleeves. The joint of the conductor 340 is isolated by the heat-shrinkable sleeve, so that the exposure is avoided, and the safety is improved.

In this embodiment, the maximum heatproof temperatures of the first thermostat 410 and the second thermostat 420 are 210 ℃ and 270 ℃, respectively, wherein the first thermostat 410 can be automatically reset at 195 ℃. When the temperature of the heating element 100 is increased to above 210 ℃ in use, the first temperature controller 410 is triggered to cut off the power of the heating tube 300, and the heating element 100 is powered on again when the temperature of the heating element 100 is reduced to 195 ℃, so that the temperature of the heating element 100 can be controlled to be about 210 ℃. If the first temperature controller 410 fails to trigger normally or fails to power off the heating tube 300 in time, and the temperature of the heating element 100 rises to above 270 ℃, the second temperature controller 420 triggers the overheat protection to be disconnected, so that the heating tube 300 is not heated any more, and the safety is greatly improved.

In the present embodiment, the rear side of the heating element 100 is provided with two mounting ends 110. The rear end of the mounting end 110 has a flat mounting surface perpendicular to the front-to-rear direction. The two mounting surfaces are flush with each other. The mounting end 110 is further provided with a mounting screw hole extending in the front-rear direction. The two mounting surfaces can be locked at the mounting position by screwing the screws and the mounting screw holes, so that the heating body 100 can be fixed at the mounting position. In other embodiments, the mounting end 110 and the mounting screw hole may be provided in other directions according to a specific mounting environment of the heat generating body 100.

In this embodiment, the water vapor pipe 200 has an outer diameter of 6mm and an inner diameter of 5mm. The outer diameter of the heating tube 300 is 6.6mm, and the outer diameter of the conductor 340 is 2mm. The outer diameter of the silica gel sleeve 350 is 6.4mm, and the axial length of the silica gel sleeve 350 is not less than 4mm. The axial length of the silica gel sleeve 350 can be adjusted according to the outer diameters of the heating tube 300 and the electric conductor 340, and the creepage distance between the electric conductor 340 and the insulating layer on the periphery of the heating tube 300 is covered by the insulating silica gel sleeve 350, so that the creepage phenomenon is avoided.

The water vapor pipe 200 of the water vapor coil pipe section 220 extends spirally and is overlapped up and down, and two circles of water vapor pipes 200 adjacent to each other are attached together. Similarly, the heating tube 300 of the heating coil section 320 is spirally derived and overlapped up and down, and two adjacent circles of heating tubes 300 are attached to each other. In the present embodiment, the gap width in the vertical direction between two adjacent circles of steam pipes 200 and two adjacent circles of heating pipes 300 does not exceed 0.2mm. The two adjacent circles of water vapor pipes 200 and the heating pipe 300 are close to each other, so that the heights of the water vapor coil pipe section 220 and the heating coil pipe section 320 can be set to be as small as possible, the volume of the steam generator is convenient to control, and the steam generator is suitable for being arranged in household appliances. Also, the heat generated from the heat generating pipe 300 is not easily dissipated from the gap between the steam pipes 200.

In a further embodiment, the steam pipe 200 is a food grade stainless steel pipe to meet the steam generation requirements of food processing. The steam generator can be applied to food processing appliances.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A steam generator, characterized by: the method comprises the following steps: a heating body (100), a water vapor pipe (200) and a heating pipe (300);

the water vapor pipe (200) comprises a water inlet section (210), a water vapor coil pipe section (220) and a gas outlet section (230) which are connected end to end, the water vapor coil pipe section (220) is spirally coiled into a circular ring shape and is provided with a central axis extending up and down, the heating pipe (300) comprises a first connecting end (310), a heating coil pipe section (320) and a second connecting end (330) which are connected end to end, and the heating coil pipe section (320) is spirally coiled into a circular ring shape and is coaxially arranged around the central axis;

the water vapor coil pipe section (220) and the heating coil pipe section (320) are arranged in the heating body (100), the water inlet section (210) and the air outlet section (230) respectively extend to the outer side of the heating body (100) along the left-right direction, and the first connecting end (310) and the second connecting end (330) respectively extend to the outer side of the heating body (100) along the left-right direction.

2. The steam generator of claim 1, wherein: the spiral shafts of the water vapor coil pipe section (220) and the heating coil pipe section (320) extend in the vertical direction, the water inlet section (210) and the air outlet section (230) are respectively arranged at the top and the bottom of the water vapor coil pipe section (220), and the first connecting end (310) and the second connecting end (330) are respectively arranged at the top and the bottom of the heating coil pipe section (320).

3. The steam generator of claim 1, wherein: the heating coil pipe section (320) is coaxially arranged on the inner side of the water vapor coil pipe section (220).

4. The steam generator of claim 1, wherein: the tip of intaking section (210) and giving vent to anger section (230) is equipped with water inlet (211) and gas outlet (231) respectively, the periphery of water inlet (211) and gas outlet (231) all is equipped with bushing portion.

5. The steam generator of claim 1, wherein: the steam generator further comprises a first temperature controller (410) and a second temperature controller (420), wherein the first temperature controller (410) and the second temperature controller (420) are respectively arranged on the left side and the right side of the heating element (100) and are connected with the heating element (100), and the first temperature controller (410) and the second temperature controller (420) are respectively and electrically connected with the first connecting end (310) and the second connecting end (330).

6. The steam generator of claim 1, wherein: the periphery of heating tube (300) has the insulating layer, first link (310) and second link (330) all are equipped with expose in electric conductor (340) of insulating layer, first link (310) and second link (330) all are equipped with silica gel cover (350), silica gel cover (350) cover is located the outside of electric conductor (340), silica gel cover (350) and electric conductor (340) all are located the outside of heat-generating body (100).

7. The steam generator of claim 1, wherein: the heating body (100) is provided with two mounting ends (110), the mounting ends (110) are provided with flat mounting surfaces, the mounting surfaces are flush with each other, and the mounting ends (110) are further provided with mounting screw holes extending along the direction perpendicular to the mounting surfaces.