CN113048457B

CN113048457B - Multi-section continuous heating device, heating method and household appliance applying same

Info

Publication number: CN113048457B
Application number: CN202110221358.7A
Authority: CN
Inventors: 陈告牙; 徐继林
Original assignee: SHENZHEN LYTRAN TECHNOLOGY CO LTD
Current assignee: SHENZHEN LYTRAN TECHNOLOGY CO LTD
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2022-04-01
Anticipated expiration: 2041-02-27
Also published as: CN113048457A

Abstract

The utility model relates to a multistage continuous heating device, heating method and applied device's domestic appliance, it includes heating element, installation component, electromagnetic drive subassembly, inlet tube and goes out the steam pipe, the installation component with heating element looks adaptation is in order to stabilize heating element's position, heating element fills up in the passageway that holds that installation component formed, and heating element outer wall and holding passageway inner wall looks butt, heating element is provided with two at least heating chambers that closely arrange and be linked together, the inlet tube is linked together with heating element's cold water inlet end, it is linked together with heating element's play steam end to go out the steam pipe, electromagnetic drive subassembly and heating element electrical connection, the electromagnetic heating drive that is used for waiting to heat water in the heating element to heat. The steam heating device has the effects of improving the space utilization rate, improving the steam outlet efficiency and conveniently cleaning dirt in the heating device.

Description

Multi-section continuous heating device, heating method and household appliance applying same

Technical Field

The application relates to the technical field of heating devices, in particular to a multi-section continuous heating device, a heating method and a household appliance using the device.

Background

The current micro steam generating device refers to a steam generating device with the maximum heating water volume not more than 10L, the minimum heating water volume not less than 20mL and the working pressure far less than 0.1 MP, wherein a heating container is a die cavity formed by combining and sealing aluminum die castings, an electric heating reed pipe is fixedly arranged in the die cavity, steam is generated in a resistance heating mode and is exhausted from a steam outlet at the top of the container through a steam-guiding silica gel hose, and the micro steam generating device is mainly applied to steam application in household appliances, such as an electric steam box. As shown in fig. 1, when some micro steam generators are actually used, the hollow area formed by the heating coil itself cannot be effectively used, which results in a limited heating space of the heating coil, and meanwhile, when the micro steam generators are actually used, the heating coil is still limited by the limited space due to its large size, which all results in a low steam output speed.

Aiming at the related technologies, the space utilization rate of the heating reed pipe is low, so that the application is indirectly limited due to the space, and meanwhile, the steam outlet speed of the micro steam generating device is also slow.

Disclosure of Invention

In order to improve the space utilization of heating reed pipe and improve miniature vapour generating device and go out vapour speed, this application provides multistage continuous heating device.

In a first aspect, the present application provides a multi-stage continuous heating apparatus, which adopts the following technical solution:

the multi-section continuous heating device comprises a heating assembly, a mounting component, an electromagnetic driving assembly, a water inlet pipe and a steam outlet pipe, wherein the mounting component is matched with the heating assembly to stabilize the position of the heating assembly, the heating assembly is filled in a containing channel formed by the mounting component, the outer wall of the heating assembly is abutted against the inner wall of the containing channel, the heating assembly is provided with at least two heating chambers which are densely arranged and communicated, the water inlet pipe is communicated with the cold water inlet end of the heating assembly, the steam outlet pipe is communicated with the steam outlet end of the heating assembly, and the electromagnetic driving assembly is electrically connected with the heating assembly and used for electromagnetic heating driving for heating water to be heated in the heating assembly.

By adopting the technical scheme, when water to be heated is in the heating chamber, the electromagnetic driving assembly can drive the heating assembly to work, so that the temperature of the water to be heated in the heating chamber rises, the water to be heated is converted into steam from a liquid state quickly, and the steam is output through the steam outlet pipe. Be provided with two at least heating chambers, can make and wait to add hot water and fall into the stranded and be heated, thereby can effectively improve heating efficiency, in addition, heating element includes two at least heating chambers, and the heating element outer wall with hold passageway inner wall looks butt's mode (guaranteed that heating element fills up and hold the passageway promptly), can improve heating element at multistage continuous heating device's usable space to a great extent, do not have the condition that hollow region can not be utilized, on the contrary, heating element fills up the whole mode that holds the passageway, can fully improve multistage continuous heating device's space utilization, and simultaneously, the heating area that multistage continuous heating device treated hot water has also been improved, further improve out the vapor speed.

Preferably, the heating assembly comprises one or more single-chamber heating pipes and an electromagnetic coil, each single-chamber heating pipe comprises two or more heating chambers, adjacent single-chamber heating pipes are connected in series or in parallel, the electromagnetic coil is wound on the surface of the mounting part, and the electromagnetic driving assembly is electrically connected with the electromagnetic coil and is used for electromagnetically driving the electromagnetic coil.

Through adopting above-mentioned technical scheme, when practical application, single-chamber heating pipe is in holding the passageway, and the outer wall of single-chamber heating pipe and the mode that holds passageway inner wall looks butt can effectively improve the capacity and the area that treat that single-chamber heating pipe adds hot water to convenient rapid heating treats and adds hot water, improves out vapour speed. In addition, when the single-cavity heating pipes are arranged in parallel, the capacity of water to be heated can be further improved, and the steam outlet speed can be further improved. More importantly, after the hollow space of the heating assembly is effectively utilized, the heating space of the whole heating assembly is greatly improved under the same loading power, so that when the heating device is applied to the washing machine body, the volume of the heating device can be effectively reduced, and the application in the washing machines with various component layouts is met. The electromagnetic coil can enable the heating assembly to electromagnetically generate heat by depending on the electromagnetic driving assembly, so that the temperature of water to be heated in the heating chamber rises to start working, the water to be heated is converted into steam from liquid state quickly, and the steam is output through the steam outlet pipe.

Preferably, heating element includes one and more multi-chamber heating pipe and solenoid, sets for a heating chamber is corresponded to a cavity in the multi-chamber heating pipe, the head end and the tail end of multi-chamber heating pipe are connected with inlet tube and play steam pipe respectively, solenoid twines on the installation component surface, electromagnetic drive assembly is connected, is used for carrying out electromagnetic drive to solenoid with solenoid electricity.

Through adopting above-mentioned technical scheme, the multicavity room heating pipe that sets up enables to wait to add in hot water flows into all cavities, promptly, can make and wait to add in hot water flows into all heating cavities, to this, can effectively improve the heated area who waits to add hot water to conveniently improve heating efficiency, further improve steam speed. In addition, when the multi-cavity heating pipe is filled in the whole accommodating channel, the space utilization rate can be effectively improved, and the steam outlet speed can be indirectly and effectively improved. The electromagnetic coil can enable the heating assembly to electromagnetically generate heat by depending on the electromagnetic driving assembly, so that the temperature of water to be heated in the heating chamber rises to start working, the water to be heated is converted into steam from liquid state quickly, and the steam is output through the steam outlet pipe.

Preferably, the single-chamber heating pipe or the multi-chamber heating pipe comprises a magnetic conductive iron pipe and a stainless steel pipe, and the stainless steel pipe is nested on the inner wall of the iron pipe and forms a composite pipe with the iron pipe.

Through adopting above-mentioned technical scheme, the iron pipe of magnetic conduction produces vortex and hysteresis effect under the electromagnetic oscillation to the electromagnetism generates heat, and the stainless steel pipe surface of back lining is bright and clean, and the contact adds the hot water body and is difficult for rustting, the difficult scale deposit.

Preferably, the heating assembly comprises a magnetic conduction iron pipe, a stainless steel pipe and a resistance heating film, the stainless steel pipe is nested on the inner wall of the iron pipe and forms a composite pipe with the iron pipe, and the resistance heating film is attached to the surface of the iron pipe.

Through adopting above-mentioned technical scheme, through this heating methods, also can heat treating hot water in the heating element to realize temperature gradient distribution, the highest temperature point rapid evaporation on the temperature gradient, thereby reach continuous adjustable evaporation effect.

Preferably, the installation part includes installation department and location portion, the installation department includes symmetrical mounting bracket, location portion is used for dividing the location block group of solenoid number of turns including setting up connecting frame and the row setting between symmetrical mounting bracket on the connecting frame, solenoid twines in the gap that adjacent location block group formed, heating element is in the passageway that surrounds that solenoid formed.

Through adopting above-mentioned technical scheme, the installation department of setting can stabilize heating element's position, and the carriage of setting is convenient for install solenoid, and the locating block group of setting can make solenoid regular, reduces the coil and leaks the sense, and simultaneously, the high-efficient winding solenoid of being convenient for, and then be convenient for improve winding efficiency. The connection frame is matched with the positioning block group, so that the number of turns and the thickness of the wound electromagnetic coil can be controlled conveniently, and the electromagnetic coil is uniformly embedded.

Preferably, the steam-water heating device further comprises a one-way valve, a water pump and a water storage tank, wherein the water inlet pipe is connected with the water pump through the one-way valve, the water pump is connected with the water storage tank and used for pumping water in the water storage tank into the heating assembly through the water inlet pipe, the steam outlet pipe is a steam guide hose, and the steam guide hose is communicated with the steam outlet end of the heating assembly.

By adopting the technical scheme, the arranged one-way valve can avoid the backflow of water to be heated. The water pump is arranged to facilitate the pumping out of water in the water storage tank. The steam guide hose can guide out steam conveniently.

In a second aspect, the present application provides a multi-stage continuous heating method, which adopts the following technical scheme:

a multi-stage continuous heating process comprising:

starting a water pump, enabling water to be heated to flow forwards in the heating chamber through the water pump, and gradually pushing the water to be heated into a cold water inlet end of the heating assembly;

starting the electromagnetic driving component, and enabling the electromagnetic coil to enter high-frequency electromagnetic oscillation through the electromagnetic driving component to cause the pipe wall of the heating component to generate heat due to eddy current and hysteresis effect, so that the water heated to 100 ℃ is rapidly evaporated when the water gradually approaches the steam pipe.

By adopting the technical scheme, the heating assembly is the composite pipe made of the magnetic conductive material, when the electromagnetic driving assembly enables the electromagnetic coil to enter high-frequency electromagnetic oscillation, the pipe wall of the heating assembly in electromagnetic fit with the electromagnetic coil generates heat due to eddy current and hysteresis effect, at the moment, the water temperature in the heating assembly rises step by step in the heating chamber, and the water heated to 100 ℃ is rapidly evaporated when the water is gradually close to the steam outlet pipe. The heating essence is that the temperature of the small-water-volume water body rises step by step to realize the temperature gradient distribution, and the highest temperature point on the temperature gradient evaporates instantly, so that the continuously adjustable evaporation effect is realized, and the larger heating efficiency of the discharged steam can be ensured.

In addition, the method can also reduce the dirt in the heating assembly, specifically, on one hand, the water temperature of water to be heated keeps a forward flowing state in the heating chamber, and the water body is gradually heated in the length direction of the heating chamber, so that the area of a high-temperature area where scale is easily generated on the inner wall of the heating chamber can be effectively reduced, on the other hand, the water flow keeps a forward pushing state along with the temperature rise in the heating chamber, the water body which is easy to generate scale is at an evaporation part, and the scale calcium can be taken out along with the outward ejection of steam. Therefore, the vapor outlet efficiency is high, and simultaneously, the generation of dirt in the heating chamber can be effectively reduced.

Preferably, the pressure and temperature of the vapor transmitted from the vapor outlet pipe can be determined by the output power of the electromagnetic driving assembly.

By adopting the technical scheme, the electromagnetic loading power output by the electromagnetic driving component can be adjusted according to the pressure and temperature requirements of the output steam, specifically, the distance from the water evaporation part in the heating chamber to the steam pipe is changed, the heating pipe pass of the steam in the heating pipe can be adjusted, and then the temperature and the pressure of the output steam are adjusted.

In a third aspect, the present application provides a household appliance, which adopts the following technical scheme:

the utility model provides a household appliance, includes the washing machine body, and multistage continuous heating device installs at the washing machine body internally, this internal box of puting in of washing machine, it is equipped with the soft water check that is used for placing the softener to put in the box, the water inlet intercommunication that the soft water check kept off has the oral siphon, heating element electrical connection has control assembly, control assembly is used for drive control assembly work, the oral siphon is equipped with the steam function water intaking valve of being connected with the control assembly electricity, and external water passes through the oral siphon flows in the soft water check, the delivery port intercommunication that the soft water check kept off has the outlet pipe, the outlet pipe communicates in the storage water tank, the storage water tank is equipped with the liquid level detection module who is used for detecting the interior water level height of storage water tank and exports water level signal to control assembly, control assembly controls opening and close of steam function water intaking valve through water level signal.

Through adopting above-mentioned technical scheme, the liquid level detection module of setting, can in time carry out the moisturizing to the storage water tank, thereby guarantee normal output steam, in addition, when putting in the box and put in there is the water softener, can make the water of putting in the box of flowing through soften, after the water after softening flowed into the storage water tank again, can be again through the water pump with treating after softening add hot water and rush into the heating chamber, when soft water flows in the heating chamber, just can wash the inner wall of heating chamber, and then make the inner wall of heating chamber be difficult to generate the scale deposit.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the available space of the multi-section continuous heating device can be effectively improved, meanwhile, the heating efficiency is also convenient to improve, and the steam outlet efficiency can be further improved;

2. the method for dividing the steam outlet process into the heating section and the steam section and respectively heating the heating section and the steam section can effectively ensure the maximum steam outlet efficiency, and meanwhile, the generation of large bubbles can be effectively avoided by the mode of gradually heating the water flow by subdivision gradient along with the flow of the water flow, so that the dry burning phenomenon is avoided, and the generation of dirt can be effectively reduced;

3. the water softener can enable the softened water to indirectly flow into the heating chamber, so that the possibility of dirt in the heating chamber of the heating assembly can be obviously reduced, and the service life of the heating assembly can be prolonged. In practical conditions, the heating assembly is small in size and not easy to clean, and in this way, scaling in the heating cavity of the heating assembly can be conveniently prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of a prior art heating coil;

FIG. 2 is a schematic view showing the overall configuration of a multistage continuous heating apparatus according to example 1 of the present application;

fig. 3 is a schematic view of the overall structure of a heating unit in embodiment 1 of the present application;

FIG. 4 is a schematic view showing the entire structure of a mounting member and a solenoid coil in embodiment 1 of the present application;

FIG. 5 is a schematic flow chart of a heating unit in embodiment 1 of the present application;

FIG. 6 is a schematic view of the entire structure of a heating unit in embodiment 2 of the present application;

FIG. 7 is a schematic view of the whole structure of the heating unit applied to the mounting member in embodiment 2 of the present application;

fig. 8 is a schematic view of the overall structure of a heating unit in embodiment 3 of the present application;

fig. 9 is a schematic view of the whole structure of the heating assembly applied to the mounting member in embodiment 3 of the present application;

FIG. 10 is a flowchart showing the control of the method of the multistage continuous heating apparatus according to example 1 of the present application;

FIG. 11 is a schematic top view of a multistage continuous heating apparatus installed in a household appliance according to embodiment 1 of the present application;

fig. 12 is a schematic view of a softening process of water to be heated in embodiment 1 of the present application.

Description of reference numerals: 100. heating the reed pipe; 101. a hollow region; 102. a heating assembly; 103. an electromagnetic coil; 104. a stainless steel tube; 105. a circular tube; 106. an iron pipe; 2. a mounting member; 21. an installation part; 211. a base plate; 212. a vertical plate; 22. a positioning part; 220. a connecting frame; 221. a positioning block group; 222. a threaded hole; 223. a strip-shaped opening; 224. a receiving channel; 3. an electromagnetic drive assembly; 30. an electromagnetic heating high-frequency power supply; 31. a control component; 4. a water inlet pipe; 5. a steam outlet pipe; 6. high temperature resistant mica sheets; 71. a one-way valve; 72. a water pump; 73. a water storage tank; 91. a washing machine body; 92. a throwing box; 921. soft water blocking; 93. a water inlet pipe; 94. a liquid level detection module; 95. a water outlet pipe; 96. a steam function water inlet valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

The embodiment of the application discloses a multi-section continuous heating device which is used for heating water to be heated and generating steam.

Example 1:

referring to fig. 2 and 3, the multi-stage continuous heating device includes a water inlet pipe 4, a heating assembly 102 and a steam outlet pipe 5, in this embodiment, the heating assembly 102 includes a single-chamber heating pipe with an annular cross section and an electromagnetic coil 103, the single-chamber heating pipe is provided with one, and in other embodiments, the single-chamber heating pipe can be provided in plurality according to actual needs. The single-cavity heating tube comprises a magnetic conductive iron tube 106 and a stainless steel tube 104, wherein the outer wall of the stainless steel tube 104 is tightly attached to the inner wall of the iron tube 106, actually, the iron tube 106 and the stainless steel tube 104 form a composite tube in a nested relation, in addition, the inner wall of the stainless steel tube 104 forms a heating cavity of the heating assembly 102, and the heating cavity provides a storage space for water to be heated.

Referring to fig. 2 and 3, one end of the single-chamber heating pipe is set to be a cold water inlet end, the other end is set to be a steam outlet end, the water inlet pipe 4 is sleeved on the outer wall of the cold water inlet end and is communicated with the single-chamber heating pipe through the cold water inlet end, and the steam outlet pipe 5 is sleeved on the outer wall of the steam outlet end of the heating component 102. Referring to fig. 3, the single-cavity heating pipe includes two or more capillary heating pipes, and adjacent capillary heating pipes are connected in series, in this embodiment, the number of the capillary heating pipes is specifically 42, the adjacent capillary heating pipes are communicated and densely arranged, the single-cavity heating pipe is integrally arranged in a block shape, and in this embodiment, the cavity in the capillary heating pipe is a heating cavity. In other embodiments, the number of capillary heating tubes is increased or decreased according to actual requirements.

Referring to fig. 2 and 3, the electromagnetic coil 103 is uniformly and distributively wound along the outer wall of the mounting part 2, and the electromagnetic driving assembly 3 is electrically connected with the electromagnetic coil 103 for driving the electromagnetic coil 103 to work. The electromagnetic coil 103 is a multi-strand wire with a diameter of 1.5mm²The section area of the wire is formed by a plurality of enameled stranded wires.

Referring to fig. 2 and 3, in order to facilitate the water inlet pipe 4 and the steam outlet pipe 5 to be sleeved on the single-cavity heating pipe, the stainless steel pipe 104 penetrates through the cold water inlet end and the steam outlet end of the single-cavity heating pipe, and the existence of the stainless steel pipe 104 has a guiding function, so that the water inlet pipe 4 and the steam outlet pipe 5 are conveniently and rapidly sleeved on the side wall of the single-cavity heating pipe. In addition, the water inlet pipe 4 and the steam outlet pipe 5 are both made of elastic materials, and the steam outlet pipe 5 is a high-temperature resistant rubber hose. The water inlet pipe 4 is used for supplying the water to be heated to flow into the single-cavity heating pipe, and the steam outlet pipe 5 is used for guiding out the generated steam. When the steam outlet end of the steam outlet pipe 5 is communicated with the external steam application pipe, the steam generated by the single-cavity heating pipe can be conveniently utilized.

Referring to fig. 4, in order to heat water to be heated, the multi-stage continuous heating apparatus further includes a mounting part 2 and an electromagnetic driving assembly 3, the electromagnetic driving assembly 3 is an electromagnetic heating high-frequency power supply 30, and the electromagnetic coil 103 is connected to a driving output end of the electromagnetic heating high-frequency power supply 30 through a lead thereof.

Electromagnetic heating high frequency power supply 30 is mainly for adopting the full-bridge inverter circuit that the IGBT module constitutes, and its theory of operation is, and rectifier circuit is the pulsating direct current with power frequency alternating current power supply rectification, through filter filtering, forms steady direct current, and rethread inverter circuit forms the high frequency alternating current that heating frequency is 30K ~50KHz, carries out active electromagnetic drive as inductive load to solenoid 103. The control component 31 is electrically connected with the electromagnetic heating high-frequency power supply 30 and is used for controlling the electromagnetic heating high-frequency power supply 30 to output different heating powers, and the control component 31 is a control board. Referring to fig. 4, the installation part 2 includes installation portion 21 and location portion 22, and installation portion 21 includes symmetrical mounting bracket, and the mounting bracket is equipped with a pair ofly, and the mounting bracket is whole to be the setting of L type, and the mounting bracket includes bottom plate 211 and with bottom plate 211 looks vertically riser 212, set up screw hole 222 on bottom plate 211, and the installation of bottom plate 211 is convenient for to the existence of screw hole 222, and then is convenient for place installation part 2 on predetermined position. The vertical plate 212 is provided with the strip-shaped opening 223, and the strip-shaped opening 223 can reduce weight and save materials.

Referring to fig. 4, the positioning portion 22 includes a connecting frame 220 and a positioning block set 221, the connecting frame 220 is a hollow frame, two ends of the connecting frame 220 are respectively installed on two different vertical plates 212, and an area formed inside the connecting frame 220 is set as an accommodating channel 224. In this embodiment, the heating assembly 102 is mounted within the receiving channel 224, and the outer wall of the heating assembly 102 abuts the inner wall of the receiving channel 224. The positioning block set 221 includes more than one positioning block, 16 rows of positioning block sets 221 are provided, 4 rows of positioning block sets 221 are installed on each side of the connecting frame 220, each row of positioning block sets 221 are installed on the outer wall of the connecting frame 220 at equal intervals, and the intervals between adjacent positioning blocks of each row are the same.

The multiple strands of stranded wires are wound on the connecting frame 220 to form the electromagnetic coil 103, each turn of the electromagnetic coil 103 is clamped and embedded in the interval formed between each group of adjacent positioning blocks, the axis of the electromagnetic coil 103 is perpendicular to the length direction of the rows of positioning block groups 221, namely, the uniform spiral groove of the electromagnetic coil is arranged on the surface of the connecting frame 220, and the leakage reactance of the electromagnetic coil can be reduced due to the existence of the uniform spiral groove. Referring to fig. 4, the high temperature resistant mica sheets 6 are mounted on the symmetrical side surfaces of the connecting frame 220 close to the heating component 102, the high temperature resistant mica sheets 6 are welded with the heating component 102, the high temperature resistant mica sheets 6 have high heat resistance, and the service life of the mounting components can be indirectly prolonged.

Referring to fig. 5, in order to supply water to be heated to the multi-stage continuous heating device, the multi-stage continuous heating device further includes a one-way valve 71, a water pump 72 and a water storage tank 73, the water inlet pipe 4 is connected to the water pump 72 through the one-way valve 71, and the water pump 72 is connected to the water storage tank 73 for pumping the water in the water storage tank 73 into the heating assembly 102 through the water inlet pipe 4.

The implementation principle of the embodiment 1 is as follows: the water pump 72 is used for pumping the water to be heated in the water storage tank 73 into the heating chamber, and the control assembly 31 is used for controlling the electromagnetic heating high-frequency power supply 30 to carry out active electromagnetic driving on the electromagnetic coil 103, so that the water to be heated can be continuously heated and heated in the flowing process until the water body with the temperature of 100 ℃ is evaporated at the steam outlet end of the heating assembly 102, and the steam at the moment is just sprayed out from the steam outlet pipe 5.

More importantly, the single-cavity heating pipes are arranged in the accommodating channel 224 and are tightly arranged, meanwhile, the outer wall of the heating component 102 is abutted to the inner wall of the accommodating channel 224, so that the available space of the heating component 102 in the multi-section continuous heating device can be greatly improved, the condition that the hollow area 101 (refer to fig. 1) cannot be utilized does not exist, on the contrary, the mode that the heating component 102 fills the whole accommodating channel can fully improve the space utilization rate of the multi-section continuous heating device, meanwhile, the heating area of the multi-section continuous heating device for heating water is also improved, and the steam outlet speed is further improved.

Example 2:

referring to fig. 6, the heating assembly 102 includes a single-chamber heating tube that is in a zigzag cross-section. In this embodiment, except for the different cross-sections of the heating element 102, the single-chamber heating tube includes a magnetic conductive iron tube 106 and a stainless steel tube 104 with square cross-sections, which is the same as that of embodiment 1. Referring to fig. 7, the single-chamber heating tube with the square cross section can be further adapted to the square accommodating channel 224, and accordingly, the space utilization rate of the accommodating channel 224 can be further improved, so that the heating efficiency and the steam outlet speed can be improved. In addition, the cold water inlet end and the steam outlet end of the single-cavity heating pipe are both connected with a round pipe 105, the round pipe 105 is communicated with the single-cavity heating pipe, the stainless steel pipe 104 is arranged in the round pipe 105, and the round pipe 105 and the stainless steel pipe 104 are matched with each other, so that the water to be heated can flow in conveniently, and the steam can be sprayed out from the stainless steel pipe 104 conveniently.

Example 3:

referring to fig. 8 and 9, the heating assembly 102 includes a multi-chamber heating tube having a cross-section in the shape of a nine-grid. In this example, the cross-sectional shape is the same as that of example 1. Meanwhile, one multi-cavity heating pipe is arranged, referring to fig. 8, one cavity of the multi-cavity heating pipe corresponds to one heating cavity, that is, in the embodiment, 9 heating cavities are arranged, and by increasing the number of the heating cavities, the contact area of water to be heated can be effectively increased, so that the heating efficiency is increased, and the steam outlet efficiency is indirectly increased. In other embodiments, the number of heating chambers may be set as desired. In addition, the cold water inlet end and the steam outlet end of the multi-cavity heating pipe are both connected with a round pipe 105, the round pipe 105 is communicated with the multi-cavity heating pipe, the stainless steel pipe 104 is positioned in the round pipe 105, and the round pipe 105 and the stainless steel pipe 104 are matched with each other, so that the water to be heated can flow in conveniently, and steam can be sprayed out from the stainless steel pipe 104 conveniently.

The embodiment of the application also discloses a multi-stage continuous heating method. Referring to fig. 10 and 12, the multi-stage continuous heating method includes:

and starting the electromagnetic driving component to enable the electromagnetic coil to enter high-frequency electromagnetic oscillation so that the pipe wall of the heating component generates heat due to eddy current and magnetic hysteresis effect, and further enabling the water body heated to 100 ℃ to be rapidly evaporated when the water body gradually approaches to the steam outlet pipe.

The multi-stage continuous heating method further comprises:

the pressure and the temperature of the steam which is transmitted from the steam outlet pipe are determined by the output power of the electromagnetic driving component.

The implementation principle of the multi-section continuous heating method in the embodiment of the application is as follows: when electromagnetic drive assembly made solenoid get into high frequency electromagnetic oscillation, heating assembly pipe wall with solenoid electromagnetic fit generates heat because of vortex and hysteresis effect, at this moment, the temperature in the heating assembly rises step by step in the pipe, and heat to 100 ℃ water rapid evaporation when gradually being close out the steam pipe, through this mode, can effectively guarantee the biggest play steam efficiency, meanwhile, along with the flow of rivers, the mode that the subdivision gradient heaies up to rivers gradually, can effectively avoid the production of big bubble, thereby avoid appearing the phenomenon of dry combustion method, and then can effectively avoid the production of dirt.

The embodiment of the application also discloses a household appliance. Referring to fig. 11, a home appliance includes:

washing machine body 91, multistage continuous heating device installs in washing machine body 91, still include detachable installation on washing machine body 91 put in box 92, it keeps off 921 to be equipped with the soft water check in the box 92 to put in, the water softener has been placed in the soft water check 921, the water inlet intercommunication that the soft water check kept off 921 has oral siphon 93, oral siphon 93 is equipped with the steam function water intaking valve 96 of being connected with control module 31 electricity, external water flows in the soft water check 921 through oral siphon 93, the delivery port intercommunication that the soft water check kept off 921 has outlet pipe 95, outlet pipe 95 communicates in storage water tank 73. After the softened water to be heated is flushed into the water storage tank 73, the softened water is conveyed into the heating chamber through the water pump 72, and along with the flowing of the water body, dirt adhered to the inner wall of the heating chamber can be flushed out conveniently. When having put into the water softener in soft water check 921, can make the water that flows through in the soft water check 921 soften, the water after the softening dashes into behind the storage water tank 73 again, if the water pump 72 will soften treat that hot water rush into the heating chamber in, just can make the water after the softening flow in the heating chamber, wash the inner wall of heating chamber, thereby make the inner wall of heating chamber be difficult to generate the scale deposit in addition, can treat according to actual need and heat water and heat up, thereby improve the activity that has the detergent mixed, further can improve the cleaning efficiency.

In addition, in order to maintain the preset water supply amount in the water storage tank 73, a liquid level detection module 94 for detecting the water level in the water storage tank 73 and outputting a water level signal to the control assembly 31 is arranged on the water storage tank 73, the liquid level detection module 94 is a liquid level sensor, a water level reference value is preset in the control assembly 31, and when the water level signal is lower than the preset water level reference value, the control assembly 31 controls the steam function water inlet valve 96 to be opened, so that the softened water body or the water body which is not softened can be conveniently supplemented into the water storage tank 73.

The implementation principle of the multi-section continuous heating method in the embodiment of the application is as follows: the water softener can soften the water entering the water storage tank 73, so that the water pump 72 can flush the softened water into the heating chamber, and dirt adhered to the inside of the heating chamber can be cleaned in this way. In addition, the cleaning solution in the heating chamber can be heated in a specific mode through the electromagnetic coil 103, so that the activity of the cleaning solution is improved, and the descaling effect can be effectively improved. Because the heating assembly 102 is physically small and inconvenient to clean.

Example 4:

the heating assembly 102 includes a magnetic conductive iron pipe 106, a stainless steel pipe 104 and a resistance heating film (not labeled in the figure), the stainless steel pipe is nested on the inner wall of the iron pipe 106 and is communicated with the iron pipe 106, specifically, the outer wall of the stainless steel pipe 104 is closely attached to the inner wall of the iron pipe 106, actually, the iron pipe 106 and the stainless steel pipe 104 form a composite pipe in a nested relation, and the resistance heating film is attached to the surface of the iron pipe 106. In this way, a resistive heating mode can be achieved by applying a resistive heating film.

The implementation principle is as follows: when the resistance heating film works, the resistance heating film generates heat, and indirectly can also heat water to be heated in the heating chamber of the heating assembly 102, so that the temperature gradient distribution is realized, the highest temperature point on the temperature gradient is evaporated, and the continuously adjustable evaporation effect is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multi-section continuous heating device is characterized by comprising a heating assembly (102), a mounting part (2), an electromagnetic driving assembly (3), a water inlet pipe (4) and a steam outlet pipe (5), wherein the mounting part (2) is matched with the heating assembly (102) to stabilize the position of the heating assembly (102), the heating assembly (102) is filled in an accommodating channel (224) formed by the mounting part (2), the outer wall of the heating assembly (102) is abutted against the inner wall of the accommodating channel (224), at least two heating chambers which are densely arranged and communicated are arranged in the heating assembly (102), the water inlet pipe (4) is communicated with a cold water inlet end of the heating assembly (102), the steam outlet pipe (5) is communicated with a steam outlet end of the heating assembly (102), and the electromagnetic driving assembly (3) is electrically connected with the heating assembly (102), the heating component (102) comprises a single-cavity heating pipe with a square cross section and an electromagnetic coil (103), the single-cavity heating pipe comprises more than two capillary heating pipes, the adjacent capillary heating pipes are connected in series, the adjacent capillary heating pipes are communicated and densely arranged, the single-cavity heating pipes are integrally arranged in a block shape, the cavity in each capillary heating pipe is the heating cavity, the electromagnetic coil (103) is wound on the surface of the mounting part (2), the electromagnetic driving component (3) is electrically connected with the electromagnetic coil (103) and is used for electromagnetically driving the electromagnetic coil (103), the single-cavity heating pipe with the square cross section is matched with a square accommodating channel (224) so as to improve the space utilization rate of the accommodating channel (224), thereby facilitating the improvement of heating efficiency and the improvement of steam outlet speed;

the single-cavity heating pipe comprises a magnetic conductive iron pipe (106) and a stainless steel pipe (104) with a square cross section, wherein the stainless steel pipe (104) is embedded on the inner wall of the iron pipe (106) and forms a composite pipe with the iron pipe (106), round pipes (105) are connected to the cold water inlet end and the steam outlet end of the single-cavity heating pipe, the round pipes (105) are communicated with the single-cavity heating pipe, the stainless steel pipe (104) is positioned in the round pipes (105), and the round pipes (105) are matched with the stainless steel pipe (104) to supply the water to be heated to flow in and steam to be sprayed out of the stainless steel pipe (104);

the mounting component (2) comprises a mounting part (21) and a positioning part (22), the mounting part (21) comprises symmetrical mounting frames, the positioning part (22) comprises a connecting frame (220) arranged between the symmetrical mounting frames and positioning block groups (221) arranged on the connecting frame (220) in rows and used for dividing the number of turns of the electromagnetic coil (103), the electromagnetic coil (103) is wound in a gap formed by adjacent positioning block groups (221), and the heating assembly (102) is located in an enclosed channel formed by the electromagnetic coil (103);

the heating device comprises a connecting frame (220), a heating assembly (102), a positioning block group (221), a plurality of positioning block groups and a plurality of positioning block groups, wherein the connecting frame (220) is a hollow square frame, two ends of the connecting frame (220) are respectively installed on two different vertical plates (212), an area formed inside the connecting frame (220) is set as an accommodating channel (224), the heating assembly (102) is installed in the accommodating channel (224), the outer wall of the heating assembly (102) is abutted against the inner wall of the accommodating channel (224), each positioning block group (221) comprises more than one positioning block, each surface of the connecting frame (220) is provided with a row of positioning block groups (221), each row of positioning block groups (221) are equidistantly installed on the outer wall of the connecting frame (220), and the distances between each row of adjacent positioning blocks are the same;

the water inlet pipe (4) is used for supplying water to be heated to flow into the heating chamber, and the steam outlet pipe (5) is used for guiding out generated steam; the electromagnetic driving assembly (3) is started to enable the electromagnetic coil (103) to enter high-frequency electromagnetic oscillation to enable the pipe wall of the heating assembly (102) to generate heat due to eddy current and hysteresis effect, so that water heated to 100 ℃ is rapidly evaporated when the water gradually approaches the steam outlet pipe (5), the steam outlet pipe (5) is bent upwards relative to the water inlet pipe (4) on the same side, linear parallel pipe sections of the heating assembly (102) are located in a connecting frame (220) of the accommodating channel (224) between the two different vertical plates (212), and bent pipe sections of the heating assembly (102) are located outside the connecting frame (220) of the accommodating channel (224) between the two different vertical plates (212).

2. The continuous heating device of claim 1, further comprising a one-way valve (71), a water pump (72) and a water storage tank (73), wherein the water inlet pipe (4) is connected with the water pump (72) through the one-way valve (71), the water pump (72) is connected with the water storage tank (73) and used for pumping water in the water storage tank (73) into the heating assembly (102) through the water inlet pipe (4), the steam outlet pipe (5) is a steam guide hose which is communicated with a steam outlet end of the heating assembly (102), the mounting rack further comprises a bottom plate (211) perpendicular to the vertical plate (212), a threaded hole (222) is formed in the bottom plate (211), the threaded hole (222) is convenient to mount the bottom plate (211), and a strip-shaped opening (223) is formed in the vertical plate (212).

3. A multistage continuous heating method applied to the multistage continuous heating apparatus according to any one of claims 1 to 2, characterized by comprising:

starting a water pump (72), enabling water to be heated to flow forwards in the heating chamber through the water pump (72), and gradually pushing the water to be heated into a cold water inlet end of the heating assembly (102);

starting the electromagnetic driving assembly (3), and enabling the electromagnetic coil (103) to enter high-frequency electromagnetic oscillation through the electromagnetic driving assembly (3) to cause the pipe wall of the heating assembly (102) to generate heat due to eddy current and hysteresis effect, so that the water heated to 100 ℃ is rapidly evaporated when the water gradually approaches the steam outlet pipe (5).

4. The method according to claim 3, wherein the pressure and temperature of the vapor from the vapor outlet pipe (5) are determined by the output power of the electromagnetic driving assembly (3).

5. A household appliance applying a multiple continuous heating device according to claim 2, comprising a washing machine body (91), said multiple continuous heating device being mounted inside said washing machine body (91), characterized in that: be equipped with in washing machine body (91) and put in box (92), it is equipped with soft water check that is used for placing the water softener and keeps off (921) to put in box (92), the water inlet intercommunication that soft water check kept off (921) has oral siphon (93), heating element (102) electrical connection has control assembly (31), control assembly (31) are used for the drive electromagnetic drive subassembly (3) work, oral siphon (93) be equipped with steam function water intaking valve (96) that control assembly (31) electricity is connected, outside water passes through oral siphon (93) flow in soft water check (921), the delivery port intercommunication of soft water check (921) has outlet pipe (95), outlet pipe (95) communicate in storage water tank (73), storage water tank (73) are equipped with liquid level detection module (94) that are used for detecting storage water tank (73) interior water level height and output water level signal to control assembly (31), the control component (31) controls the opening and closing of the steam function water inlet valve (96) through a water level signal.