Instant electric steam heater

Abstract

The utility model belongs to the technical field of instant heating type liquid heaters, and discloses an instant heating type electric steam heater which comprises a first coil pipe and a second coil pipe arranged in the first coil pipe, and in-line or spiral heating pipe rows are evenly distributed between the first coil pipe and the second coil pipe. A shell is further included, and a second coil pipe is arranged in the shell; a first water inlet and a first steam outlet are formed in the two ends of the first coil pipe correspondingly and extend out of the two ends of the shell correspondingly. A second water inlet and a second steam outlet are formed in the two ends of the second coil pipe correspondingly and extend out of the two ends of the shell correspondingly. And the power connection ports at the two ends of the heating tube row respectively extend out of the two ends of the shell. By adopting the first coil pipe and the second coil pipe, the distance of liquid water flowing through the pipeline is increased, and the liquid water is ensured to have enough heating time to be gasified to generate steam. The heating pipe row is wrapped between the first coil pipe and the second coil pipe in a surrounding mode, and heat emitted by the heating pipe row can be fully absorbed.

Description

Technical Field

[0001] The utility model relates to the technical field of instant liquid heaters, in particular to an instant electric steam heater. Background Art

[0002] Instant electric steam heater is a highly efficient heating device that can quickly heat water to boiling point and produce steam. This heater usually consists of an electric heating element, a water tank and a control system. When the power is turned on, the electric heating element starts to work, heating the water to boiling point, thus producing steam.

[0003] In the prior art, patent number: 2 0 2 1 2 0 7 0 9 7 5 9.2 discloses an energy-saving heater, comprising an outer shell, a first pipe, a second pipe and multiple groups of heating components, the multiple groups of heating components are parallel to the first pipe and evenly distributed around the first pipe, the second pipe is provided with a surrounding cavity, the first pipe and the multiple groups of heating components are partially accommodated in the surrounding cavity, both ends of the second pipe are connected to the first pipe, the first pipe, the second pipe and the multiple groups of heating components are fixedly accommodated in the outer shell, and both ends of the multiple groups of heating components protrude from the outer shell; in this scheme, the first pipe adopts a straight pipe, the time for water to flow through the pipe is too short, the time for liquid water to be heated and vaporized is insufficient, and the amount of steam generated cannot meet the supply demand. Utility Model Content

[0004] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide an instant electric steam heater, which increases the distance of the flow through the pipeline by adopting a first coil and a second coil, thereby ensuring that liquid water has sufficient heating time to vaporize and generate steam.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an instant electric steam heater, comprising: a first coil and a second coil arranged in the first coil, and a straight-line or spiral heating tube row evenly distributed between the first coil and the second coil; also comprising a shell, in which the second coil is arranged; the first coil is provided with a first water inlet and a first steam outlet at both ends, respectively, and the first water inlet and the first steam outlet extend out of the two ends of the shell respectively; the second coil is provided with a second water inlet and a second steam outlet at both ends, respectively, and the second water inlet and the second steam outlet extend out of the two ends of the shell respectively; the power connection ports at both ends of the heating tube row extend out of the two ends of the shell respectively.

[0006] Furthermore, as a more preferred embodiment of the present invention, the first coil and the second coil are spirally arranged pipes, and a accommodating cavity is arranged inside the spiral of the first coil, and the accommodating cavity can accommodate the second coil and the heating tube row.

[0007] Furthermore, as a more preferred embodiment of the utility model, the shell is cylindrical, the first coil and the second coil extend out of the pipes of the shell in parallel, the first water inlet and the second water inlet are arranged at one end of the shell, and the first steam outlet and the second steam outlet are arranged at the other end of the shell, and the ports are flush.

[0008] Furthermore, as a more preferred embodiment of the present invention, the ends of the shell are respectively provided with slots for the first coil, the second coil and the heating tube row to extend out.

[0009] Furthermore, as a more preferred embodiment of the utility model, it also includes a temperature sensor, and the end of the shell is provided with a mounting groove for the probe of the temperature sensor to extend into.

[0010] Furthermore, as a more preferred embodiment of the present invention, a temperature control switch is also included, and the side wall of the shell is provided with a fixing hole for installing the temperature control switch.

[0011] Furthermore, as a more preferred embodiment of the present invention, the heating tube row includes a plurality of heating tubes, and power connection ports are provided at both ends of the heating tubes.

[0012] Furthermore, as a more preferred embodiment of the present invention, the shell is made of cast aluminum or cast iron, and is formed by die-casting or integral casting.

[0013] Furthermore, as a more preferred embodiment of the utility model, an extension seat is provided on one side of the end of the shell, and the extension seat is used to extend the first coil out of the shell so that sufficient installation distance is left between the first water inlet and the second water inlet, and between the first steam outlet and the second steam outlet.

[0014] Furthermore, as a more preferred embodiment of the present invention, the first coil and the second coil clamp an in-line or spiral heating tube.

[0015] Furthermore, as a more preferred embodiment of the present invention, threads are arranged on the outer sides of the ports of the first water inlet, the first steam outlet, the second water inlet and the second steam outlet.

[0016] In general, the utility model has the following advantages:

[0017] Compared with the prior art, the beneficial effects are:

[0018] 1. The utility model adopts the first coil and the second coil to increase the distance of the flow through the pipeline, ensuring that the liquid water has enough heating time to vaporize and generate steam. It can also be used as two-way water inlet and two-way steam outlet to improve the efficiency of steam generation. The first coil and the second coil are surrounded by a straight-line or spiral heating pipe row, which can fully absorb the heat emitted by the heating pipe row, reducing the heat loss of the heating component to the outside during operation, thereby reducing power consumption.

[0019] 2. The utility model increases the port distance between the first coil and the second coil, which is beneficial for the terminals of the heating tube row located in the middle to have sufficient creepage distance, and helps to prevent problems such as electric shock and short circuit caused by insufficient distance.

[0020] 3. The housing of the utility model is provided with a mounting groove for the probe of the temperature sensor to extend into. The probe of the temperature sensor can be arranged in the mounting groove, so as to more accurately detect the internal temperature of the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure is a schematic diagram of the structure of an instant electric steam heater.

[0022] Figure 2 The present invention is a three-dimensional diagram of an instant electric steam heater with its shell removed.

[0023] Figure 3 The present invention is a structural stereogram of an instant electric steam heater.

[0024] Reference numerals:

[0025] 1-first coil, 11-first water inlet, 12-first steam outlet, 13-accommodating chamber, 14-external thread 14;

[0026] 2-second coil, 21-second water inlet, 22-second steam outlet;

[0027] 3-heating tube row, 31-power connection port;

[0028] 4-shell, 41-notch, 42-installation slot, 43-fixing hole, 44-extension seat. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0030] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0031] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0033] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0034] Example

[0035] This embodiment is intended to promote the solution of the problem that the heater pipes in the prior art use straight pipes, the time for water to flow through the pipes is too short, the time for liquid water to be heated and vaporized is insufficient, and the amount of steam generated cannot meet the supply demand. The utility model uses a first coil 1 and a second coil 2 to increase the distance of the flow through the pipe, ensuring that the liquid water has enough heating time to vaporize and generate steam. In addition, it can be used as two water inlets and two steam outlets to improve the efficiency of steam generation. The heating tube row 3 is surrounded and wrapped between the first coil 1 and the second coil 2, which can fully absorb the heat emitted by the heating tube row 3, reducing the heat loss of the heating component to the outside during operation, thereby reducing power consumption.

[0036] Reference Figure 1-3As shown, an instant electric steam heater comprises: a first coil 1 and a second coil 2 arranged in the first coil 1, and a straight-line or spiral heating tube row 3 is evenly distributed between the first coil 1 and the second coil 2; it also comprises a shell 4, in which the second coil 2 is arranged; the first coil 1 is provided with a first water inlet 11 and a first steam outlet 12 at both ends, respectively, and the first water inlet 11 and the first steam outlet 12 extend out of the two ends of the shell 4 respectively; the second coil 2 is provided with a second water inlet 21 and a second steam outlet 22 at both ends, respectively, and the second water inlet 21 and the second steam outlet 22 extend out of the two ends of the shell 4 respectively; the power connection ports 31 at both ends of the heating tube row 3 extend out of the two ends of the shell 4 respectively.

[0037] Reference Figure 1 and 2 As shown, in some embodiments, the first coil 1 and the second coil 2 are spirally arranged pipes, and a receiving cavity 13 is arranged inside the spiral of the first coil 1, and the receiving cavity 13 can accommodate the second coil 2 and the heating pipe row 3. The purpose of the spiral arrangement is to increase the distance of the flow through the pipe to ensure that the liquid water has enough heating time to vaporize and generate steam.

[0038] Reference Figure 1 and 2 As shown, in some embodiments, the housing 4 is cylindrical, the first coil 1 and the second coil 2 extend out of the pipes of the housing 4 in parallel, the first water inlet 11 and the second water inlet 21 are arranged at one end of the housing 4, and the first steam outlet 12 and the second steam outlet 22 are arranged at the other end of the housing 4, and the ports are flush. The first water inlet 11 and the second water inlet 21 are arranged at the same end to facilitate access to the water inlet respectively, and the other end is connected to the first steam outlet 12 and the second steam outlet 22 to produce water vapor.

[0039] Reference Figure 1 and 2 As shown, specifically, the ends of the shell 4 are respectively provided with slots 41 for the first coil 1 , the second coil 2 and the heating tube row 3 to extend out.

[0040] Reference Figure 1 and 2 As shown, in some embodiments, the instant electric steam heater further includes a temperature sensor, and the end of the housing 4 is provided with a mounting slot 42 for the probe of the temperature sensor to extend into. The temperature sensor is used to detect the temperature inside the housing 4 in real time. In some embodiments, the instant electric steam heater further includes a control panel, the temperature sensor transmits temperature data to the control panel, and the control panel displays the real-time temperature.

[0041] Reference Figure 1 , 2 As shown in FIG. 3 , in some embodiments, the instant electric steam heater further includes a temperature control switch, and the side wall of the housing 4 is provided with a fixing hole 43 for installing the temperature control switch.

[0042] Reference Figure 1 As shown, in some embodiments, the heating tube row 3 includes a plurality of heating tubes, and power connection ports 31 are provided at both ends of the heating tubes.

[0043] Reference Figure 1 As shown, in some embodiments, the housing 4 is made of cast aluminum or cast iron, and is formed by die-casting or integral casting. At that time, the gap between the first coil 1 and the second coil 2 will be filled with die-cast aluminum or cast iron to form an effective support and fixation.

[0044] Reference Figure 1 , 2 As shown in FIG. 3 , in some embodiments, an extension seat 44 is provided at one end of the housing 4. The extension seat 44 is used for the first coil 1 to extend out of the housing 4, so that a sufficient installation distance is left between the first water inlet 11 and the second water inlet 21, and between the first steam outlet 12 and the second steam outlet 22. The notch 41 for the first coil 1 to extend out is provided on the extension seat 44.

[0045] Reference Figure 2 As shown, the first coil 1 and the second coil 2 clamp the in-line or spiral heating tube 3.

[0046] Reference Figure 1 , 2 As shown in FIG. 3 , the first water inlet 11, the first steam outlet 12, the second water inlet 21 and the second steam outlet 22 are all provided with threads 14 on their outer sides. The threads 14 are external threads and are used to connect to other pipeline ports.

[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An instant electric steam heater, characterized in that: include: A first coil and a second coil disposed inside the first coil, and a straight-line or spiral heating tube row evenly distributed between the first coil and the second coil; It also includes a shell, in which a second coil is arranged; A first water inlet and a first steam outlet are respectively provided at both ends of the first coil, and the first water inlet and the first steam outlet extend out of both ends of the shell respectively; The second coil is provided with a second water inlet and a second steam outlet at both ends, respectively, and the second water inlet and the second steam outlet extend out of both ends of the shell respectively; The electrical connection ports at both ends of the heating tube row extend out of the two ends of the shell respectively.

2. The instant electric steam heater according to claim 1, characterized in that: The first coil and the second coil are spirally arranged pipes. A receiving cavity is arranged inside the spiral of the first coil, and the receiving cavity can receive the second coil and the heating tube row.

3. The instant electric steam heater according to claim 1, characterized in that: The shell is cylindrical, the first coil and the second coil extend out of the shell in parallel, the first water inlet and the second water inlet are arranged at one end of the shell, the first steam outlet and the second steam outlet are arranged at the other end of the shell, and the ports are flush.

4. The instant electric steam heater according to claim 1, characterized in that: The ends of the shell are respectively provided with slots for the first coil, the second coil and the heating tube row to extend out.

5. The instant electric steam heater according to claim 1, characterized in that: A temperature sensor is also included. The end of the shell is provided with a mounting groove for the probe of the temperature sensor to extend into.

6. The instant electric steam heater according to claim 1, characterized in that: A temperature control switch is also included, and a fixing hole for installing the temperature control switch is arranged on the side wall of the shell.

7. The instant electric steam heater according to claim 1, characterized in that: The heating tube row includes a plurality of heating tubes, and both ends of the heating tubes are respectively provided with power connection ports.

8. The instant electric steam heater according to claim 1, characterized in that: The shell is made of cast aluminum or cast iron, and is formed by die casting or integral casting.

9. The instant electric steam heater according to claim 4, characterized in that: An extension seat is arranged at one side of the end of the shell, and the extension seat is used for the first coil to extend out of the shell, so that a sufficient installation distance is left between the first water inlet and the second water inlet, and between the first steam outlet and the second steam outlet.

10. The instant electric steam heater according to claim 1, characterized in that: An in-line or spiral heating tube is sandwiched between the first coil and the second coil.

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