CN112367729A - Safe, environment-friendly and energy-saving intelligent type multipurpose variable-frequency electromagnetic heating device - Google Patents

Abstract

The invention discloses a safe, environment-friendly, energy-saving and intelligent type multipurpose variable-frequency electromagnetic heating device which comprises a distribution box, wherein the distribution box is hollow, an electromagnetic circulating pipe is arranged in the distribution box, a plurality of groups of coils are connected to the electromagnetic circulating pipe, a starter matched with the coils is arranged in the distribution box, and one end, positioned outside the distribution box, of the electromagnetic circulating pipe is connected with an automatic opening and closing connection port; the automatic opening and closing connection port comprises a shell, a temporary storage cavity is arranged in the shell, and a plurality of connectors are arranged on the shell. According to the invention, the automatic opening and closing connection port is arranged on the multipurpose electromagnetic heater, so that the situation that all hot water connection equipment cannot be used due to the limitation of the connection port is eliminated, meanwhile, a user does not need to disconnect an installed and connected pipeline, the plug-and-play effect is realized, the installation complexity of the user is greatly reduced, the use requirement of the user on the pipeline installation equipment can be met, and the use experience of the user is ensured.

Description

Safe, environment-friendly and energy-saving intelligent type multipurpose variable-frequency electromagnetic heating device

Technical Field

The invention belongs to the technical field of electromagnetic heating devices, and particularly relates to a safe, environment-friendly and energy-saving intelligent type multipurpose variable-frequency electromagnetic heating device.

Background

Electromagnetic heating is also called electromagnetic induction heating, namely an electromagnetic heating technology, and the principle of electromagnetic heating is that an alternating magnetic field is generated through an electronic circuit board component, when a ferrous container is placed on the iron-containing container, the surface of the container cuts alternating magnetic lines of force to generate alternating current (namely eddy current) on a metal part at the bottom of the container, the eddy current enables carriers at the bottom of the container to move randomly at a high speed, and the carriers collide and rub with atoms to generate heat energy. Thereby achieving the effect of heating the article. Since the iron vessel itself generates heat, the heat conversion is particularly high, and up to 95% is a direct heating method.

Along with the popularization and application of electromagnetic technology, the electromagnetic technology also gradually enters families, electromagnetic ovens, electromagnetic ranges and electromagnetic heating electric cookers all adopt the electromagnetic heating technology, multipurpose electromagnetic heaters are also available on the market at present, hot water can be supplied to various devices during working, the multifunctional electromagnetic heaters comprise showers, floor heating devices, wall-mounted furnaces and the like, when the multipurpose electromagnetic heaters are used, corresponding starters are needed, the working frequency of the starters can reach 15kHz-30kHz, and hot water with different temperatures can be heated by the electromagnetic heaters through intelligent frequency conversion of the starters, so that the use demands of users on hot water with different temperatures are met.

Multipurpose electromagnetic heater is when using, need be connected the pipeline of other equipment with electromagnetic heater, current equipment pipe connection mode is mainly three-way pipe or four-way pipe, the user is when installing electromagnetic heater, corresponding pipeline connection port need be reserved, so that the connection of other equipment is used, there is more than four equipment when the user and needs to use hot water, because connection port's restriction, can not satisfy the connection demand of all equipment of user, the user need break off the connecting line of certain equipment wherein, at disconnection department rejoin three-way pipe or four-way pipe, this trouble that leads to the fact the user to install easily, if not professional personnel, cause the infiltration of disconnection department connecting line easily, thereby influence the in service behavior of disconnection pipeline equipment, influence user's use experience.

Therefore, in order to solve the above technical problems, it is necessary to provide a safe, environment-friendly, energy-saving, intelligent, multi-purpose, variable-frequency electromagnetic heating device.

Disclosure of Invention

The invention aims to provide a safe, environment-friendly and energy-saving intelligent type multipurpose variable-frequency electromagnetic heating device, which is used for solving the problems that the pipeline installation is troublesome and the use experience of a user is influenced due to the limitation of a pipeline connecting port of an electromagnetic heater.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a safe, environment-friendly, energy-saving and intelligent type multipurpose variable-frequency electromagnetic heating device comprises a distribution box, wherein the distribution box is hollow, an electromagnetic circulating pipe is arranged in the distribution box, a plurality of groups of coils are connected to the electromagnetic circulating pipe, a starter matched with the coils is arranged in the distribution box, and one end, positioned outside the distribution box, of the electromagnetic circulating pipe is connected with an automatic opening and closing connection port;

the automatic opening and closing connection port comprises an outer shell, a temporary storage cavity is arranged in the outer shell, a plurality of connectors are arranged on the outer shell, the connectors are communicated with the temporary storage cavity, an access plug is connected onto the connectors, a communicating pipe is connected onto the access plug, and a self-sealing type plugging mechanism is connected between the access plug and the outer shell.

Furthermore, a plurality of magnetic strips which are uniformly distributed on the circumference are arranged on the outer side of the coil and used for shielding electromagnetism generated when the coil is electrified, so that the electromagnetism generated when the coil is electrified is stable, and the electromagnetic radiation is greatly reduced.

Further, one side of block terminal is equipped with the water tank for provide the water source for the block terminal, the water tank intussuseption is filled with the clear water, be connected with the water injection pipe on the water tank, convenient to use person fills the clear water to the water tank, satisfies user's water demand.

Further, be connected with the connecting pipe between water tank and the electromagnetism circulating pipe for carry out electromagnetic heating through the effect of electrical coil in leading-in to the block terminal with the water in the water tank, produce the hot water, so that the user uses, install the water pump on the connecting pipe, be convenient for through the clear water in the water pump extraction water tank, with the leading-in electromagnetism circulating pipe of clear water.

Furthermore, the shell is provided with an opening and closing movable cavity matched with the connecting port, when the connecting port is not connected with an access plug, the shell is used for accommodating a self-closing type plugging mechanism, so that the self-closing type plugging mechanism can seal the connecting port, hot water in the temporary storage cavity is prevented from leaking through the connecting port of the unconnected access plug, the self-closing type plugging mechanism is arranged in the opening and closing movable cavity in a sliding mode and is used for sealing the connecting port of the unconnected opening and closing movable cavity, the water leakage is avoided, the self-closing type plugging mechanism comprises a plugging cover, the plugging cover is made of metal and is used for achieving a sealing effect, a plurality of through holes which are uniformly distributed in the circumference are drilled on the plugging cover, when the plugging cover slides out to open and close the movable cavity, the hot water in the temporary storage cavity can enter the inner side of the plugging cover through the through holes on the plugging cover and, enter into corresponding connecting line, be convenient for correspond connecting line's use.

Further, the inboard of shutoff cover is equipped with the filter screen for play filterable effect to the hot water through the perforating hole, avoid impurity to enter into the pipeline that corresponds, be connected with between filter screen and the shutoff cover and be connected with the mounting for be connected with the filter screen, make filter screen and shutoff cover be connected fixedly.

Further, the shutoff cover is located to open and close one of movable intracavity and serves and is connected with the backing plate, when the connection mouth department is connected and is opened and close the movable chamber for ejecting the shutoff cover, the hot water of the intracavity of keeping in enters into the pipeline that corresponds through the perforating hole, the backing plate slides and locates to open and close the movable intracavity, be connected with the spring between backing plate and the shell for the sliding distance of spacing backing plate makes the backing plate be difficult for breaking away from and opens and close the movable chamber, also makes the shutoff cover when not receiving the extrusion simultaneously, can realize automatic resilience, seals up the connection mouth department of opening and close the movable chamber to not installing.

Furthermore, the maximum extension length of the spring is smaller than the depth of the opening and closing movable cavity, so that the plugging cover is prevented from sliding out of the opening and closing movable cavity.

Further, be equipped with on the shell and open and close a pair of air cock of activity chamber assorted, when opening and close the activity chamber at connector lug department erection joint, carry out the gas injection to opening and close the activity chamber through the air cock, gas enters into through air cock, gas-supply pipe and opens and close the activity intracavity for it is full of gas to open and close the activity intracavity, and gas can ejecting block up the cover, thereby can keep in the hot water of intracavity enters into the pipeline that corresponds through the perforating hole on the block up cover, and the use of equipment in the pipeline of being convenient for is a pair of be connected with the gas-supply pipe between air cock and the activity chamber of opening and close, the gas-supply pipe link up the shell setting, is convenient for carry out the gas injection to opening and close the.

Further, be equipped with on the access plug with perforating hole assorted water injection hole, the access plug is inside to be linked together through water injection hole and perforating hole and the chamber of keeping in, and the hot water of the intracavity of being convenient for keep in enters into the access plug through perforating hole and water injection hole to correspond equipment use hot water on the access plug.

Compared with the prior art, the invention has the following advantages:

according to the invention, the automatic opening and closing connection port is arranged on the multipurpose electromagnetic heater, so that the situation that all hot water connection equipment cannot be used due to the limitation of the connection port is eliminated, meanwhile, a user does not need to disconnect an installed and connected pipeline, the plug-and-play effect is realized, the installation complexity of the user is greatly reduced, the use requirement of the user on the pipeline installation equipment can be met, and the use experience of the user is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a safe, environment-friendly, energy-saving, intelligent, multi-purpose, variable-frequency electromagnetic heating apparatus according to an embodiment of the present invention;

FIG. 2 is an effect diagram of an installation part of a safe, environment-friendly and energy-saving intelligent type multipurpose variable frequency electromagnetic heating device according to an embodiment of the invention;

FIG. 3 is a perspective view of an automatic opening/closing connection port according to an embodiment of the present invention;

FIG. 4 is a sectional view of an installation portion of an automatic opening/closing connection port according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a partial structure of a self-sealing plugging mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of the structure at A in FIG. 4 according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a portion B in fig. 4 according to an embodiment of the present invention.

In the figure: 1. the automatic water tank comprises a distribution box, 101 electromagnetic circulating pipes, 102 coils, 103 magnetic strips, 104 starters, 2 water tanks, 3 connecting pipes, 301 water pumps, 4 automatic opening and closing connecting ports, 401 shells, 402 temporary storage cavities, 403 connecting ports, 404 connecting plugs, 405 opening and closing movable cavities, 406 self-closing plugging mechanisms, 407 plugging covers, 408 through holes, 409 filter screens, 410 connecting fixing pieces, 411 backing plates, 412 springs, 413 air nozzles, 414 air conveying pipes, 415 water injection holes, 416 fixing pins, 417 pin grooves, 418 magnet blocks, 419 sealing rings.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The invention discloses a safe, environment-friendly and energy-saving intelligent type multipurpose variable-frequency electromagnetic heating device which is shown in figures 1-7 and comprises a distribution box 1, a water tank 2 for providing water source, a connecting pipe 3 for conveying water and an automatic opening and closing connecting port 4 convenient for connecting other equipment.

Referring to fig. 1-2, a distribution box 1 is hollow, an electromagnetic circulating pipe 101 is arranged in the distribution box 1 and used for heating conveyed clean water to meet the requirement of a user for using hot water, a plurality of groups of coils 102 are connected to the electromagnetic circulating pipe 101, the number of the coils 102 is three, each group of coils 102 is correspondingly provided with a starter 104, when the user needs to use hot water with higher temperature, the three starters 104 are simultaneously opened, and all three coils 102 work, so that the temperature of the water can be quickly increased; when the user need not use high-temperature water, can only open a starter 104, the outside of coil 102 is equipped with a plurality of circumference evenly distributed's magnetic stripe 103 for the electromagnetism that produces when shielding coil 102 circular telegram, it is stable to make the electromagnetism that coil 102 circular telegram produced, reduce electromagnetic radiation by a wide margin, be equipped with in block terminal 1 with coil 102 assorted starter 104, be used for the circular telegram of starting coil 102, so that heat the clear water, corresponding regulation can be carried out as required to starter 104's power.

Wherein, one side of block terminal 1 is equipped with water tank 2 for block terminal 1 provides the water source, the intussuseption of water tank 2 is filled with the clear water, is connected with the water injection pipe on the water tank 2, and convenient to use person satisfies user's water demand to water tank 2 filling clear water.

Referring to fig. 1-2, a connection pipe 3 is connected between the water tank 2 and the electromagnetic circulation pipe 101, and is used for guiding water in the water tank 2 into the distribution box 1, performing electromagnetic heating through the effect of the electrified coil 102 to generate hot water for a user to use, and a water pump 301 is installed on the connection pipe 3, so that clean water in the water tank 2 can be pumped through the water pump 301, and the clean water is guided into the electromagnetic circulation pipe 101.

Referring to fig. 1 to 7, an end of an electromagnetic circulation pipe 101 located outside a distribution box 1 is connected with an automatic opening/closing connection port 4 for heating clean water so as to enable a user to use hot water, the automatic opening/closing connection port 4 includes a housing 401 for connecting different equipment connection ports, a temporary storage cavity 402 is provided in the housing 401 for temporarily storing hot water, the housing 401 is provided with a plurality of connection ports 403, the number of the connection ports 403 can be 5, 6 or more, the specific number is determined according to the user's requirement, the connection ports 403 are communicated with the temporary storage cavity 402, the connection ports 403 are connected with an access plug 404, the access plug 404 is in threaded connection with the housing 401 so as to facilitate the user to quickly install, the access plug 404 is connected with a communication pipe, the communication pipe can be connected with a floor heating device or a shower stove so as to enable the use, the housing 401 is provided with an opening/closing movable cavity 405, when the access plug 404 is not connected to the connection port 403, the self-sealing plugging mechanism 406 is received, so that the self-sealing plugging mechanism 406 can seal the connection port 403 of the access plug 404, and hot water in the temporary storage cavity 402 is prevented from leaking through the connection port 403 of the access plug 404.

Referring to fig. 4-7, a self-sealing plugging mechanism 406 is connected between the access plug 404 and the housing 401, when the access plug 404 is not accessed to the connection port 403, the self-sealing plugging mechanism 406 is used for plugging the connection port 403 to prevent hot water in the temporary storage cavity 402 from leaking, when the connection port 403 is inserted into the access plug 404, the hot water in the temporary storage cavity 402 enters a corresponding pipeline through the connection port 403, the self-sealing plugging mechanism 406 is slidably disposed in the open-close movable cavity 405 to seal the connection port 403 which is not connected with the open-close movable cavity 405 to prevent water from leaking, the self-sealing plugging mechanism 406 includes a plugging cover 407, the plugging cover 407 is made of metal and is used for achieving a sealing effect, a plurality of through holes 408 which are uniformly distributed circumferentially are drilled on the plugging cover 407, when the plugging cover 407 slides out of the open-close movable cavity 405, the hot water in the temporary storage cavity 402 can enter the inside of the plugging cover 407 through the through holes 408 on the plugging cover 407, and then discharged through the water injection hole 415 on the opening and closing movable cavity 405 to enter the corresponding connecting pipeline, so that the corresponding connecting pipeline can be conveniently used.

Referring to fig. 4-7, a filter screen 409 is disposed on the inner side of the blocking cover 407 for filtering hot water passing through the through hole 408 to prevent impurities from entering the corresponding pipeline, a connecting fixture 410 is connected between the filter screen 409 and the blocking cover 407 for connecting the filter screen 409 to the blocking cover 407, a pad 411 is connected to one end of the blocking cover 407 located in the opening/closing movable cavity 405 for ejecting the blocking cover 407 when the connecting port 403 is connected to the opening/closing movable cavity 405 to allow hot water in the temporary storage cavity 402 to enter the corresponding pipeline through the through hole 408, a sealing rubber is connected to the pad 411 for increasing the sealing effect of the pad 411 on other parts in the opening/closing movable cavity 405, the pad 411 is slidably disposed in the opening/closing movable cavity 405, a spring 412 is connected between the pad 411 and the housing 401 for limiting the sliding distance of the pad 411, make backing plate 411 be difficult for breaking away from and open and close movable chamber 405, also make simultaneously plugging cover 407 when not receiving the extrusion, can realize automatic resilience, seal the connector 403 department of opening and close movable chamber 405 to not installing, the maximum extension length of spring 412 is less than the degree of depth of opening and close movable chamber 405, avoids plugging cover 407 roll-off to open and close movable chamber 405.

Referring to fig. 4-7, a pair of air nozzles 413 matching with the opening and closing movable cavity 405 is disposed on the housing 401, when the opening and closing movable cavity 405 is installed and connected at the connection port 403, air is injected into the opening and closing movable cavity 405 through the air nozzles 413 and the air pipes 414, so that the opening and closing movable cavity 405 is filled with air, which can push out the plugging cover 407, and then the access plug 404 is connected to the connection port 403 on the housing 401 by means of screw connection, thereby completing the integral installation, so that hot water in the temporary storage cavity 402 can enter the corresponding pipeline through the through hole 408 on the plugging cover 407, thereby facilitating the use of equipment in the pipeline, the air pipes 414 are connected between the pair of air nozzles 413 and the opening and closing movable cavity 405, the air pipes 414 are disposed through the housing 401, thereby facilitating the injection of air into the opening and closing movable cavity 405 through the air nozzles 413 and the air pipes 414, the gas is utilized to eject the sealing cover 407, the access plug 404 is provided with a water injection hole 415 matched with the through hole 408, the interior of the access plug 404 is communicated with the temporary storage cavity 402 through the water injection hole 415 and the through hole 408, so that hot water in the temporary storage cavity 402 can enter the access plug 404 through the through hole 408 and the water injection hole 415, and the hot water can be used by corresponding equipment on the access plug 404.

Specifically, the plugging cover 407 is connected with a leakage-proof mechanism for preventing leakage at the position where the connection port 403 is not connected with the access plug 404, and improving the overall sealing performance, the leakage-proof mechanism includes a mounting base plate (not shown in the figure), the mounting base plate is connected with a plurality of fixing pins 416 distributed uniformly on the circumference, the fixing pins 416 are made of metal, the housing 401 is provided with pin grooves 417 matched with the fixing pins 416, the housing 401 is connected with a magnet block 418, the magnet block 418 is arranged corresponding to the fixing pins 416, the fixing pins 416 are inserted into the pin grooves 417, under the magnetic action of the magnet block 418 and the fixing pin 416, the blocking cover 407 is pressed against the housing 401, thereby avoid not installing revealing of connector 403 department of inserting plug 404, improve the leakproofness, be connected with sealing ring 419 on the mounting plate, sealing ring 419 locates the outside of a plurality of fixed pins 416 for further improve sealed effect, avoid revealing of hot water.

During specific use, when a user needs to install other equipment, gas is injected through the air nozzle 413, gas enters the opening and closing movable cavity 405 through the gas conveying pipe 414, the gas extrudes the cushion plate 411, the cushion plate 411 drives the plugging cover 407 to move under extrusion, the movable cavity 405 is opened and closed through sliding, the through hole 408 in the plugging cover 407 is exposed, the access plug 404 is screwed into the connecting port 403, the access plug 404 is connected with the installation bottom plate, other equipment is connected with the communicating pipe, the communicating pipe is connected with the access plug 404, integral installation is completed, the switch of the starter 104 and the water pump 301 is opened, the water pump 301 extracts clean water in the water tank 2, the clean water enters the electromagnetic current pipe 101 through the connecting pipe 3, the clean water passing through the electromagnetic current pipe 101 is heated under the action of the electrified coil 102, heated hot water enters the temporary storage cavity 402, the hot water in the temporary storage cavity 402 enters the opposite direction through the through hole 408 in the plugging cover 407 and the water injection hole 415 In the corresponding pipeline, the use of equipment in the pipeline is convenient; the self-sealing plugging mechanism 406 can simultaneously achieve a sealing effect by the connecting port 403 without the access plug 404, so as to avoid hot water leakage.

According to the technical scheme, the invention has the following beneficial effects:

according to the invention, the automatic opening and closing connection port is arranged on the multipurpose electromagnetic heater, so that the situation that all hot water connection equipment cannot be used due to the limitation of the connection port is eliminated, meanwhile, a user does not need to disconnect an installed and connected pipeline, the plug-and-play effect is realized, the installation complexity of the user is greatly reduced, the use requirement of the user on the pipeline installation equipment can be met, and the use experience of the user is ensured.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A safe, environment-friendly, energy-saving and intelligent type multipurpose frequency conversion electromagnetic heating device comprises a distribution box (1) and is characterized in that the distribution box (1) is hollow, an electromagnetic circulating pipe (101) is arranged in the distribution box (1), a plurality of groups of coils (102) are connected to the electromagnetic circulating pipe (101), a starter (104) matched with the coils (102) is arranged in the distribution box (1), and one end, located outside the distribution box (1), of the electromagnetic circulating pipe (101) is connected with an automatic opening and closing connection port (4);

the automatic opening and closing connection port (4) comprises a shell (401), a temporary storage cavity (402) is arranged in the shell (401), a plurality of connectors (403) are arranged on the shell (401), the connectors (403) are communicated with the temporary storage cavity (402), an access plug (404) is connected onto the connectors (403), a communicating pipe is connected onto the access plug (404), and a self-sealing type plugging mechanism (406) is connected between the access plug (404) and the shell (401).

2. A safe, environment-friendly and energy-saving intelligent type multipurpose frequency-conversion electromagnetic heating device according to claim 1, characterized in that a plurality of magnetic strips (103) which are uniformly distributed on the circumference are arranged on the outer side of the coil (102).

3. The safe, environment-friendly and energy-saving intelligent multipurpose variable-frequency electromagnetic heating device according to claim 1, characterized in that a water tank (2) is arranged on one side of the distribution box (1), clear water is filled in the water tank (2), and a water injection pipe is connected to the water tank (2).

4. A safe, environment-friendly and energy-saving intelligent type multipurpose frequency conversion electromagnetic heating device as claimed in claim 3, wherein a connecting pipe (3) is connected between the water tank (2) and the electromagnetic flow pipe (101), and a water pump (301) is installed on the connecting pipe (3).

5. The safe, environment-friendly and energy-saving intelligent multipurpose frequency-conversion electromagnetic heating device according to claim 1, wherein an opening and closing movable cavity (405) matched with the connecting port (403) is formed in the shell (401), the self-closing type plugging mechanism (406) is slidably arranged in the opening and closing movable cavity (405), the self-closing type plugging mechanism (406) comprises a plugging cover (407), and a plurality of through holes (408) which are uniformly distributed circumferentially are drilled in the plugging cover (407).

6. A safe, environment-friendly and energy-saving intelligent type multipurpose frequency conversion electromagnetic heating device according to claim 5, characterized in that a filter screen (409) is arranged on the inner side of the blocking cover (407), and a connecting fixing member (410) is connected between the filter screen (409) and the blocking cover (407).

7. The safe, environment-friendly and energy-saving intelligent multipurpose variable-frequency electromagnetic heating device according to claim 5, characterized in that a backing plate (411) is connected to one end of the blocking cover (407) located in the opening and closing movable cavity (405), the backing plate (411) is slidably arranged in the opening and closing movable cavity (405), and a spring (412) is connected between the backing plate (411) and the shell (401).

8. A safe, environment-friendly and energy-saving intelligent type multipurpose frequency-conversion electromagnetic heating device as claimed in claim 7, wherein the maximum extension length of the spring (412) is less than the depth of the opening and closing movable cavity (405).

9. The intelligent, safe, environment-friendly and energy-saving multipurpose frequency-conversion electromagnetic heating device according to claim 1, wherein a pair of air nozzles (413) matched with the opening and closing movable cavity (405) are arranged on the shell (401), an air pipe (414) is connected between the pair of air nozzles (413) and the opening and closing movable cavity (405), and the air pipe (414) penetrates through the shell (401).

10. The intelligent, environment-friendly and energy-saving type multipurpose frequency-conversion electromagnetic heating device according to claim 1, wherein a water injection hole (415) matched with the through hole (408) is formed in the access plug (404), and the interior of the access plug (404) is communicated with the temporary storage cavity (402) through the water injection hole (415) and the through hole (408).

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