A plasma stove to prevent ionizing radiation

Abstract

The invention discloses an ionizing radiation-proof plasma stove, comprising a base, a stove head, and an electric control unit, wherein the stove head comprises a plurality of discharge electrodes exposed from above the base and a transformer module arranged below the discharge electrodes, wherein the transformer module comprises a mounting shell and a transformer circuit unit arranged in the mounting shell, wherein the transformer circuit unit is electrically connected to the electric control unit and the discharge electrodes; the stove head also comprises a cylindrical stove head protection ring protruding above the base and surrounding the discharge electrodes, wherein the stove head protection ring is made of metal and is provided with a first grounding fast connector; a second grounding fast connector connected to a protective grounding wire is provided on the mounting shell or the base; and the first grounding fast connector of the stove head protection ring is also electrically connected to the protective grounding wire after being detachably connected to the second grounding fast connector on the mounting shell or the base. The invention enables the plasma stove to have a good ionizing radiation-proof effect, and the component supporting the pot on the stove head is detachable, which is convenient for cleaning the stove head.

Description

Technical Field

[0001] The invention relates to the technical field of stoves, and in particular to an ionizing radiation-proof plasma stove. Background Art

[0002] Plasma, also known as plasma, is an ionized gaseous substance composed of positive and negative ions produced by ionization of atoms and atomic groups after some electrons are deprived. It is a macroscopic electrically neutral ionized gas with a scale larger than the Debye length. Its movement is mainly dominated by electromagnetic force and exhibits significant collective behavior. Plasma is a very good conductor. Plasma can be captured, moved and accelerated by cleverly designed magnetic fields. The development of plasma physics has provided new technologies and processes for the further development of sciences such as materials, energy, information, environmental space, space physics, and geophysics. Plasma is the fourth state of matter, different from solid, liquid and gas. Matter is composed of molecules, molecules are composed of atoms, and atoms are composed of positively charged nuclei and negatively charged electrons surrounding them. When heated to a high enough temperature or for other reasons, the outer electrons break free from the constraints of the nucleus and become free electrons, just like students running to the playground to play freely after class. The process of electrons leaving the nucleus is called "ionization". At this time, the matter becomes a uniform "paste" composed of positively charged atomic nuclei and negatively charged electrons, so people jokingly call it ion plasma. The total amount of positive and negative charges in these ion plasmas is equal, so it is approximately electrically neutral, so it is called plasma.

[0003] A plasma stove is a new type of stove that utilizes the characteristics of plasma, uses high voltage electricity to break through the air to form thermal plasma, converts electrical energy into thermal energy, and ultimately obtains a thermal plasma beam of ideal length and function, generating a thermal plasma beam similar to flame characteristics to heat the pot for cooking.

[0004] The stove heads of plasma stoves currently on the market have the following defects:

[0005] The parts on the stove of the existing plasma stove used to support the pot, such as the pot support, generally use a hollow support structure or a material without shielding effect. In this way, the discharge electrode inside the stove ionizes the air after discharge, and the ionizing radiation is not well shielded, which causes harm to the human body during long-term use.

[0006] In addition, the parts supporting the pot on the existing stove are generally made into a non-detachable structure together with other parts in the stove, which is inconvenient for cleaning the stove.

[0007] Therefore, the prior art needs to be improved. Summary of the invention

[0008] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide an ionizing radiation proof plasma stove, aiming to make the plasma stove have a good ionizing radiation proof effect, and the parts supporting the pot on the stove head are detachable to facilitate the cleaning of the stove head.

[0009] To achieve the above object, the present invention adopts the following technical solutions:

[0010] An ionizing radiation-proof plasma stove comprises a base, a stove head arranged on the base, and an electric control unit arranged on the base, wherein the stove head comprises a plurality of discharge electrodes exposed from above the base and a voltage transformation module arranged below the discharge electrodes, wherein the voltage transformation module comprises a mounting shell installed on the base and a voltage transformation circuit unit arranged in the mounting shell, wherein the voltage transformation circuit unit is electrically connected to the electric control unit and the discharge electrodes;

[0011] Wherein, the stove head also includes a cylindrical stove head protection ring, which protrudes above the base and surrounds the discharge electrode, and the stove head protection ring is made of metal;

[0012] The stove head protection ring is provided with a first grounding quick connector;

[0013] The installation housing or the base is provided with a second grounding quick connector connected to the protective grounding wire;

[0014] The first grounding quick-connect piece of the stove head protection ring is also electrically connected to the protective grounding wire after being detachably connected to the second grounding quick-connect piece on the mounting shell or the base.

[0015] Wherein, the first grounding quick connector on the stove head protection ring is a plug assembly;

[0016] The second grounding quick connector is arranged on the installation shell, the second grounding quick connector is a socket assembly, and the first grounding quick connector is plug-connected with the second grounding quick connector.

[0017] Wherein, the stove head protection ring includes a wear-resistant ring and a support ring connected to the lower part of the wear-resistant ring and separable from the wear-resistant ring.

[0018] The cross-sections of the wear-resistant ring and the support ring are both U-shaped including a U-shaped groove, the lower end of the wear-resistant ring is open, and the upper end opening of the support ring is closed to the lower end opening of the wear-resistant ring;

[0019] The first grounding quick connector is arranged in the U-shaped groove of the support ring and is exposed from the bottom of the support ring.

[0020] Wherein, a plug assembly mounting seat is arranged in the U-shaped groove of the support ring to mount the first grounding quick connector, and two side walls of the plug assembly mounting seat are connected to two side walls of the U-shaped groove of the support ring.

[0021] Among them, a first connecting seat is also annularly arranged in the U-shaped groove of the support ring, and a second connecting seat is annularly arranged in the U-shaped groove of the wear-resistant ring. The first connecting seat is provided with a first connecting hole and exposed from the upper and lower ends of the first connecting seat, and the second connecting seat is provided with a second connecting hole and exposed from the lower end of the second connecting seat. The first connecting seat and the second connecting seat are connected by a long screw inserted from the lower end of the support ring.

[0022] The plug assembly includes a plug rod and an expansion sleeve, the upper end of the plug rod is threadedly connected to the plug assembly mounting seat, and the lower end is sleeved with the expansion sleeve, and the expansion sleeve can be elastically opened or recovered;

[0023] The jack assembly includes a connecting screw fixed to the upper end of the mounting shell, the top end of the connecting screw is axially provided with an inserting hole, and the lower end of the plug rod of the plug assembly and the expansion sleeve are inserted into the inserting hole of the jack assembly and fastened.

[0024] Among them, the plug assembly mounting seat is sequentially opened with a first mounting hole and a screw hole that are connected upward, the first mounting hole is exposed from the lower end of the support ring, the first mounting hole accommodates the lower end of the insertion rod, the expansion sleeve, and the upper end of the connecting screw, and the screw hole is connected to the upper end of the insertion rod.

[0025] Wherein, the installation housing comprises an upper cover and a lower cover, and the transformer circuit unit is arranged in a cavity between the upper cover and the lower cover;

[0026] The lower end surface of the upper cover is provided with a socket assembly mounting seat, and a second mounting hole is provided in the socket assembly mounting seat. The connecting screw passes through the socket assembly mounting seat from the upper end surface of the upper cover and extends into the second mounting hole to be fixedly connected with a nut.

[0027] Wherein, the stove head further comprises a high temperature resistant insulating plate arranged above the mounting shell, and the plurality of discharge electrodes are mounted on the high temperature resistant insulating plate;

[0028] A negative electrode for forming a discharge loop with a plurality of discharge electrodes is also arranged above the high temperature resistant insulation plate.

[0029] The ionizing radiation-proof plasma stove of the present invention has a good ionizing radiation shielding effect by setting the cooker-supporting component on the stove head into a cylindrical stove head protection ring, which is made of metal and combined with the bottom of the cooker to enclose the ionizing radiation generated in the discharge electrode area in a closed space. The stove head protection ring is detachably connected with the second grounding fast connector on the mounting shell or the base through the first grounding fast connector on the stove head protection ring, which is convenient for cleaning the stove head, and the stove head protection ring is well grounded when the first grounding fast connector is connected with the second grounding fast connector, thereby ensuring safe use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0031] Figure 1 It is a structural schematic diagram of a first embodiment of an ionizing radiation protection plasma stove according to the present invention;

[0032] Figure 2 for Figure 1 Schematic diagram of the structure.

[0033] Figure 3 for Figure 1 Schematic cross-section of the structure;

[0034] Figure 4 This is a schematic diagram of the circuit principle of the first embodiment of the ionizing radiation protection plasma stove of the present invention;

[0035] Figure 5 It is a schematic diagram of the structure of the stove head of the present invention;

[0036] Figure 6 for Figure 5 Schematic diagram of the structure.

[0037] Figure 7 for Figure 5 Schematic cross-section of the structure;

[0038] Figure 8 for Figure 7 The enlarged schematic diagram of point A in the middle;

[0039] Fig. 9 It is a structural schematic diagram of the stove protection ring;

[0040] Fig.10 It is a cross-sectional schematic diagram of the upper cover being installed with a second grounding quick connector;

[0041] Fig.11 This is the first exploded schematic diagram of the stove protection ring;

[0042] Fig.12 This is a second exploded schematic diagram of the stove protection ring;

[0043] Fig.13 is a schematic diagram of the structure of the plug assembly;

[0044] Fig.14 for Fig.13 Schematic diagram of the structure.

[0045] Fig.15 is a schematic diagram of the structure of the jack assembly;

[0046] Fig.16 for Fig.15 Schematic diagram of the structure.

[0047] Description of reference numerals:

[0048] 100-plasma stove, 1-base, 2-stove head, 3-electronic control unit, 31-main control circuit, 32-power circuit, 33-leakage detection circuit, 4-discharge electrode, 5-transformer module, 6-installation shell, 61-upper cover, 611-jack assembly mounting seat, 6111-second mounting hole, 62-lower cover, 621-incoming wiring port, 622-ground wiring port, 7-transformer circuit unit, 8-stove head protection ring, 81-wear-resistant ring, 811-inclined surface, 82-support ring, 821-observation port, 83-plug assembly mounting seat, 831-first mounting hole, 832-screw hole, 84-first connecting seat, 841-first connecting hole, 85-second connecting seat, 851-second connecting hole, 86-protective glass, 9-first grounding quick connector, 91-insertion rod, 92-expansion sleeve, 10-second grounding quick connector, 101-connecting screw, 102-first nut, 103-second nut, 104-adjusting washer, 11-high temperature resistant insulating board, 12-negative electrode, 13-temperature sensor, 14-plug, 15-human-computer interaction panel, 16-switch button, 17-adjusting knob, 18-protective grounding wire, 200-cookware. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In addition, in the present invention, the descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0053] Please refer to Figures 1 to 6 The present invention provides an ionizing radiation proof plasma stove 100, comprising a base 1, a stove head 2 arranged on the base 1, and an electric control unit 3 arranged on the base 1, wherein the stove head 2 comprises a plurality of discharge electrodes 4 exposed from above the base 1 and a transformer module 5 arranged below the discharge electrodes 4, wherein the transformer module 5 comprises a mounting shell 6 mounted on the base 1 and a transformer circuit unit 7 arranged in the mounting shell 6, wherein the transformer circuit unit 7 is electrically connected to the electric control unit 3 and the discharge electrodes 4.

[0054] The electric control unit 3 is used to generate the driving power required by the transformer circuit unit 7, and control the on and off of the transformer circuit unit 7 and the output power. The driving power generated by the electric control unit 3 is a high-frequency or low-frequency low-voltage power supply. The transformer circuit unit 7 converts the low-voltage electricity input by the electric control unit 3 into high-voltage electricity and outputs it to the discharge electrode 4 for discharge. The arc generated by the discharge of the discharge electrode 4 ionizes the air to generate high-temperature plasma to heat the bottom of the pot. In the embodiment of the present invention, the electric control unit 3 and the transformer module 5 are isolated and arranged in the base 1. The electric control unit 3 is connected to an external power supply through a plug 14.

[0055] The discharge electrode 4 of the plasma stove 100 of the present invention is a positive electrode. When the cookware is a metal cookware, the metal cookware can be directly used as a negative electrode to form a discharge circuit; when the cookware is a ceramic cookware, a negative electrode needs to be separately provided in the stove head 2.

[0056] like Figure 4 As shown, the electric control unit 3 of the embodiment of the present invention includes a main control circuit 31 , a power supply circuit 32 electrically connected to the main control circuit 31 , and an output end of the power supply circuit 32 is electrically connected to an input end of the voltage conversion circuit unit 7 .

[0057] The main control circuit 31 can be controlled by a single chip microcomputer combined with a program. The main control circuit 31 controls the output of the voltage conversion circuit unit 7. The power supply circuit 32 provides driving current for the voltage conversion circuit unit 7. The power supply circuit 32 is connected to an external mains power supply through a plug 14.

[0058] Preferably, the electric control unit 3 of the present invention further includes a leakage detection circuit 33 electrically connected to the main control circuit 31. The leakage detection circuit 33 detects whether there is leakage in the base 1, the stove head 2, the mounting housing 6 of the transformer module 5, the pot, etc. Once leakage occurs, the main control circuit 31 controls to turn off the power supply of the plasma cooker 100, thereby ensuring safety in use.

[0059] Preferably, if Figure 5 As shown, a temperature sensor 13 is also provided on the outer wall of the installation shell 6 of the plasma stove 100 of the present invention and is electrically connected to the main control circuit 31. The temperature sensor 13 can detect the temperature of the installation shell 6 when the heat generated by the transformer circuit unit 7 or the plasma beam is conducted to the installation shell 6. When the actual temperature of the installation shell 6 exceeds the preset temperature during operation, the power supply of the transformer circuit unit 7 will be cut off, so that the transformer circuit unit 7 stops outputting electric energy to the discharge electrode and stops the discharge work to ensure safe use. An incoming line connection port 621 and a grounding line connection port 622 are also provided on the outer wall of the installation shell 6. The incoming line connection port 621 electrically connects the transformer circuit unit 7 in the installation shell 6 with the power circuit 32. The grounding line connection port 622 is used to install a protective grounding wire 18. The protective grounding wire connects the base 1, the stove head 2 and the installation shell 6 with the power incoming line terminal of the electric control unit to achieve protective grounding.

[0060] In the embodiment of the present invention, a human-machine interaction panel 15 is also provided on the base 1 for controlling the plasma stove 100. The human-machine interaction panel 15 can be set as a button or a touch screen. A switch button 16 and an adjustment knob 17 are also provided on the base 1 for turning on and off the plasma stove 100 and adjusting the output power. The human-machine interaction panel 15, the switch button 16 and the adjustment knob 17 are all electrically connected to the main control circuit 31.

[0061] like Figure 5 and Figure 6 As shown, the stove head 2 of the present invention further includes a cylindrical stove head protection ring 8, which protrudes above the base 1 and surrounds the discharge electrode 4. The stove head protection ring 8 is made of metal. The stove head protection ring 8 is used to support the pot 200. Since the stove head protection ring 8 is set in a cylindrical shape and is made of metal, Figure 4 As shown, when the cooker 200 is placed on the stove head protection ring 8, the inner wall of the stove head protection ring 8 and the bottom surface of the cooker 200 enclose the discharge electrode 4 area in the stove head 2 into a closed space, so that the ionizing radiation generated by the discharge electrode 4 area when ionizing the air will be effectively shielded in the space, thereby preventing the user from being exposed to ionizing radiation and ensuring safety in use.

[0062] The stove protection ring 8 of the present invention is provided with a first grounding quick connector 9, and the mounting shell 6 or the base 1 is provided with a second grounding quick connector 10 connected to the protective grounding wire 18. The first grounding quick connector 9 of the stove protection ring 8 is also electrically connected to the protective grounding wire 18 after being detachably connected to the second grounding quick connector 10 on the mounting shell 6 or the base 1. The protective grounding wire 18 is connected to the protective grounding wire in the power supply line of the electric control unit 3. The first grounding quick connector 9 and the second grounding quick connector 10 enable the stove protection ring 8 to be detachably connected to the mounting shell 6 or the base 1, and because they are fast connectors, they can be quickly connected and disassembled to facilitate the cleaning of the stove 2. At the same time, the first grounding quick connector 9 and the second grounding quick connector 10 also have the function of grounding, so that the stove protection ring 8 can be well grounded after being installed on the stove 2. The structural design of the first grounding quick connector 9 and the second grounding quick connector 10 of the present invention has dual functions, which not only realizes detachable connection, but also has the grounding function, which is equivalent to combining the two functions in one structure.

[0063] The detachable connection between the first grounding quick connector 9 and the second grounding quick connector 10 of the present invention can be achieved by various detachable connection methods such as snap connection, buckle connection, and plug connection.

[0064] like Figures 6 to 10 As shown, as an embodiment, the second grounding quick connector 10 of the present invention is arranged on the mounting shell 6. Specifically, the first grounding quick connector 9 on the stove protection ring 8 of the present invention is a plug assembly. The second grounding quick connector 10 on the mounting shell 6 of the present invention is a socket assembly, and the first grounding quick connector 9 is plug-connected with the second grounding quick connector 10. In this way, it is equivalent to that the stove protection ring 8 and the mounting shell 6 are plug-connected. When using, it is only necessary to align the plug assembly of the stove protection ring 8 with the socket assembly on the mounting shell 6, and then apply force to insert it to complete the installation; similarly, when disassembling, just pull out the plug assembly from the socket assembly. The installation and disassembly are very convenient, and the function of quick connection and quick disassembly is realized.

[0065] Specifically, Fig. 9 As shown, the stove head protection ring 8 of the present invention includes a wear-resistant ring 81 and a support ring 82 connected to the lower part of the wear-resistant ring 81 and detachable from the wear-resistant ring. The wear-resistant ring 81 directly contacts the pot 200 and is made of wear-resistant material to reduce the wear caused by long-term friction with the bottom of the pot and increase the service life. The wear-resistant ring 81 and the support ring 82 are separately arranged so that the wear-resistant ring 81 can be replaced separately.

[0066] Preferably, if Figure 7 As shown, the inner wall of the wear-resistant ring 81 is provided with an inclined surface 811 adapted to the bottom surface of the pot 200. In this way, the wear-resistant ring 81 can better fit the bottom of the pot and enhance the sealing effect.

[0067] Specifically, the cross-sections of the wear-resistant ring 81 and the support ring 82 of the present invention are both U-shaped including a U-shaped groove, the lower end of the wear-resistant ring 81 is open, and the upper end opening of the support ring 82 is closed to the lower end opening of the wear-resistant ring 81 .

[0068] The U-shaped design saves material for the stove head protection ring 8, and at the same time, the inner and outer double-layer metal wall structure ensures the shielding effect of ionizing radiation.

[0069] like Fig. 9 As shown in FIG. 8 , the first grounding quick connector 9 is arranged in the U-shaped groove of the support ring 82 and is exposed from the bottom of the support ring 82. This facilitates the installation of the stove head protection ring 8. Fig.10 As described above, the stove head protection ring 8 is directly pressed downward, and the first grounding quick connector 9 is inserted into the second grounding quick connector 10 on the mounting shell 6 to complete the installation.

[0070] like Fig.11 As shown, a plug assembly mounting seat 83 is provided in the U-shaped groove of the support ring 82 to mount the first grounding quick connector 9, and the two side walls of the plug assembly mounting seat 83 are connected to the two side walls of the U-shaped groove of the support ring 82. The plug assembly mounting seat 83 facilitates the installation of the first grounding quick connector 9, and at the same time, its two side walls are connected to the two side walls of the U-shaped groove of the support ring 82, which can improve the strength of the support ring 82.

[0071] like Fig.11 and Fig.12 As shown, a first connection seat 84 is also annularly arranged in the U-shaped groove of the support ring 82, and a second connection seat 85 is annularly arranged in the U-shaped groove of the wear-resistant ring 81. The first connection seat 84 is provided with a first connection hole 841 and exposed from the upper and lower ends of the first connection seat 84, and the second connection seat 85 is provided with a second connection hole 851 and exposed from the lower end of the second connection seat 85. The first connection seat 84 and the second connection seat 85 are connected by a long screw (not shown) inserted from the lower end of the support ring 82. The connection between the first connection seat 84 and the second connection seat 85 realizes the fixed connection between the wear-resistant ring 81 and the support ring 82. At the same time, the second connection hole 851 is opened at the lower end of the second connection seat 85, and there is no opening at the upper end thereof. In this way, the installation hole position is not seen at the upper end of the wear-resistant ring, so that it fits well with the bottom of the pot without affecting the appearance. During installation, the long screw is passed from the lower end of the support ring 82 into the first connection hole 841 of the first connection seat 84 , and then passed into the second connection hole 851 to be fixed in the second connection seat 85 .

[0072] Furthermore, the two side walls of the first connection seat 84 are connected to the two side walls of the U-shaped groove of the support ring 82; the two side walls of the second connection seat 85 are connected to the two side walls of the U-shaped groove of the wear-resistant ring 81. In this way, the strength of the inner and outer metal walls of the U-shaped groove of the support ring 82 and the wear-resistant ring 81 is improved.

[0073] Specifically, Fig.13 and Fig.14 As shown, the plug assembly of the present invention includes an insertion rod 91 and an expansion sleeve 92. The upper end of the insertion rod 91 is threadedly connected to the plug assembly mounting seat 83, and the lower end is sleeved with the expansion sleeve 92. The expansion sleeve 92 can be elastically opened or recovered.

[0074] like Fig.15 and Fig.16 As shown, the jack assembly of the present invention includes a connecting screw 101 fixed to the upper end of the mounting shell 6, and the top end of the connecting screw 101 is axially provided with a plug hole 1011, and the lower end of the plug rod 91 of the plug assembly and the expansion sleeve 92 are inserted into the plug hole 1011 of the jack assembly and fastened.

[0075] like Figure 8 As shown, the upper end of the plug rod 91 has a threaded structure that is screwed and fixed on the plug assembly mounting seat 83, and the lower end thereof is sleeved with an expansion sleeve 92 and then integrally inserted into the plug hole 1011 at the top of the connecting screw 101, so that the stove head protection ring 8 can be plugged and connected with the mounting housing 6. The plug assembly and the socket assembly of the present invention are arranged in pairs in a circumferential direction. After the expansion sleeve 92 is pressed down into the plug hole 1011, it is tightened due to the pressure of the inner wall of the plug hole 1011, thereby firmly fixing the plug rod 91 in the plug hole 1011.

[0076] Preferably, the expansion sleeve 92 of the present invention is a spindle-shaped tube that is larger in the middle and smaller at both ends. The spindle-shaped tube is formed by connecting and surrounding a plurality of separate connecting pieces at both ends. This structure facilitates the clamping and quick removal of the insertion rod 91.

[0077] The end of the connecting screw rod 101 of the jack assembly of the present invention extends into the installation housing 6 and is connected to the protective grounding wire 18 outside the installation housing through a wire.

[0078] The jack assembly of the present invention further comprises a first nut 102, a second nut 103, and an adjusting washer 104. The connecting screw 101 is passed through the upper end of the mounting housing 6. The upper end of the connecting screw 101 is screwed with the first nut 102 on the upper end surface of the mounting housing 6. The lower end of the connecting screw 101 is screwed with the adjusting washer 104 and the second nut 103 on the inner surface of the mounting housing 6, so that the connecting screw 101 is clamped and mounted on the mounting housing 6. The adjusting washer 104 is used to adjust the tightness.

[0079] In the embodiment of the present invention, the plug assembly mounting seat 83 is provided with a first mounting hole 831 and a screw hole 832 which are connected in sequence upwards, the first mounting hole 831 is exposed from the lower end of the support ring 82, the first mounting hole 831 accommodates the lower end of the plug rod 91, the expansion sleeve 92, and the upper end of the connecting screw 101, and the screw hole 832 is connected to the upper end of the plug rod 91. The first mounting hole 831 is provided to facilitate accommodating the portion of the second grounding quick connector 10 protruding upwards from the mounting housing 6.

[0080] The mounting housing 6 of the present invention comprises an upper cover 61 and a lower cover 62, and the transformer circuit unit 7 is arranged in the cavity between the upper cover 61 and the lower cover 62. The mounting housing 6 not only mounts the transformer circuit unit 7 in the base 1, but also protects the transformer circuit unit 7 from external interference.

[0081] like Figure 8 As shown, the lower end surface of the upper cover 61 is provided with a socket assembly mounting seat 611, and the socket assembly mounting seat 611 is provided with a second mounting hole 6111. The connecting screw 101 passes through the socket assembly mounting seat 611 from the upper end surface of the upper cover 61 and extends into the second mounting hole 6111 to be fixedly connected with the nut. The provision of the socket assembly mounting seat 611 can enhance the strength of the upper cover 61 and facilitate the installation of the second grounding quick connector 10. The second mounting hole 6111 is convenient for accommodating the adjustment washer 104 and the second nut 103.

[0082] Preferably, if Fig.11 As described above, an observation port 821 is provided on the side wall of the support ring 82 of the embodiment of the present invention, and a protective glass 86 is provided on the observation port 821. The observation port facilitates viewing the working status of the discharge electrode 4 area in the stove head 2.

[0083] Please continue to refer to Figure 3 The stove head 2 of the plasma stove 100 of the present invention further includes a high temperature resistant insulating plate 11 disposed above the mounting shell 6, and the plurality of discharge electrodes 4 are mounted on the high temperature resistant insulating plate 11. The high temperature resistant insulating plate 11 prevents the loss of heat from the stove head, and at the same time prevents the heat generated in the discharge electrode 4 region from flowing downward to the transformer module 5 and affecting the operation of the transformer circuit unit 7. The high temperature resistant insulating plate 11 also facilitates the installation of the discharge electrode 4.

[0084] Furthermore, a negative electrode 12 is disposed above the high temperature resistant insulating plate 11 of the plasma stove 100 of the present invention, and is used to form a discharge circuit with the plurality of discharge electrodes 4. The negative electrode 12 is connected to the power ground of the circuit of the electric control unit 3.

[0085] The plasma stove 100 of the present invention is provided with a separate negative electrode 12, so that during use, the cookware 200 is no longer a part of the electrical circuit, which changes the method of some existing plasma stoves 100 in which the plasma beam is generated between the "discharge electrode" and the "pot", and allows the plasma beam to be generated between the "discharge electrode" and the "negative electrode", thereby achieving that both metal and non-metal cookware can be used on the plasma stove 100 of the present invention, and at the same time avoids the problem that when the pot is used as the negative electrode, the plasma directly hits the bottom of the pot, causing the cookware 200 to break down under the action of a long time, thereby affecting the life of the cookware 200.

[0086] It is understood that the base 1 of the plasma stove 100 of the present invention may also be provided with a cooling fan and an air inlet and an air outlet for the cooling fan to take in and out air, so that the heat generated by the transformer module 5 can be quickly blown out of the base 1 to ensure the heat dissipation effect of the whole machine.

[0087] The ionizing radiation-proof plasma stove 100 proposed in the embodiment of the present invention can achieve a good ionizing radiation shielding effect by setting the component supporting the pot 200 on the stove head 2 into a cylindrical stove head protection ring 8. The stove head protection ring 8 is made of metal and combined with the bottom of the pot to enclose the ionizing radiation generated in the discharge electrode 4 area in a closed space. The stove head protection ring 8 is detachably connected to the second grounding fast connector 10 on the mounting shell 6 or the base 1 through the first grounding fast connector 9 thereon, which is convenient for cleaning the stove head 2. When the first grounding fast connector 9 is connected to the second grounding fast connector 10, the stove head protection ring 8 is well grounded, ensuring the safety of the user.

[0088] The above description is only an example to clearly illustrate the present invention, and does not limit the patent scope of the present invention. It is impossible to list all the implementation methods here. All equivalent structural changes made by using the contents of the technical solution of the present invention under the concept of the present invention, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An ionizing radiation-proof plasma stove, comprising a base, a stove head arranged on the base, and an electric control unit arranged on the base, wherein the stove head comprises a plurality of discharge electrodes exposed from above the base and a voltage transformation module arranged below the discharge electrodes, wherein the voltage transformation module comprises a mounting shell installed on the base and a voltage transformation circuit unit arranged in the mounting shell, wherein the voltage transformation circuit unit is electrically connected to the electric control unit and the discharge electrodes; It is characterized in that The stove head also includes a cylindrical stove head protection ring, which protrudes above the base and surrounds the discharge electrode, and the stove head protection ring is made of metal; The stove head protection ring is provided with a first grounding quick connector; The installation housing or the base is provided with a second grounding quick connector connected to the protective grounding wire; The first grounding quick-connect piece of the stove head protection ring is also electrically connected to the protective grounding wire after being detachably connected to the second grounding quick-connect piece on the mounting shell or the base.

2. The ionizing radiation proof plasma stove according to claim 1, characterized in that: The first grounding quick connector on the stove protection ring is a plug assembly; The second grounding quick connector is arranged on the installation shell, the second grounding quick connector is a socket assembly, and the first grounding quick connector is plug-connected with the second grounding quick connector.

3. The ionizing radiation proof plasma stove according to claim 2, characterized in that: The stove head protection ring comprises a wear-resistant ring and a support ring which is connected to the lower part of the wear-resistant ring and is separable from the wear-resistant ring.

4. The ionizing radiation proof plasma stove according to claim 3, characterized in that: The cross-sections of the wear-resistant ring and the support ring are both U-shaped including a U-shaped groove, the lower end of the wear-resistant ring is open, and the upper end opening of the support ring is closed to the lower end opening of the wear-resistant ring; The first grounding quick connector is arranged in the U-shaped groove of the support ring and is exposed from the bottom of the support ring.

5. The ionizing radiation proof plasma stove according to claim 4, characterized in that: A plug assembly mounting seat is arranged in the U-shaped groove of the support ring to mount the first grounding quick connector, and two side walls of the plug assembly mounting seat are connected to two side walls of the U-shaped groove of the support ring.

6. The ionizing radiation proof plasma stove according to claim 4, characterized in that: A first connecting seat is also annularly arranged in the U-shaped groove of the support ring, and a second connecting seat is annularly arranged in the U-shaped groove of the wear-resistant ring. The first connecting seat is provided with a first connecting hole and exposed from the upper and lower ends of the first connecting seat, and the second connecting seat is provided with a second connecting hole and exposed from the lower end of the second connecting seat. The first connecting seat and the second connecting seat are connected by a long screw inserted from the lower end of the support ring.

7. The ionizing radiation proof plasma stove according to claim 5, characterized in that: The plug assembly comprises an insertion rod and an expansion sleeve, the upper end of the insertion rod is threadedly connected to the plug assembly mounting seat, and the lower end is sleeved with the expansion sleeve, and the expansion sleeve can be elastically opened or recovered; The jack assembly includes a connecting screw fixed to the upper end of the mounting shell, the top end of the connecting screw is axially provided with an inserting hole, and the lower end of the plug rod of the plug assembly and the expansion sleeve are inserted into the inserting hole of the jack assembly and fastened.

8. The ionizing radiation protection plasma stove according to claim 7, characterized in that: The plug assembly mounting seat is sequentially opened with a first mounting hole and a screw hole connected upward, the first mounting hole is exposed from the lower end of the support ring, the first mounting hole accommodates the lower end of the insertion rod, the expansion sleeve, and the upper end of the connecting screw, and the screw hole is connected to the upper end of the insertion rod.

9. The ionizing radiation protection plasma stove according to claim 7, characterized in that: The installation housing comprises an upper cover and a lower cover, and the transformer circuit unit is arranged in a cavity between the upper cover and the lower cover; The lower end surface of the upper cover is provided with a socket assembly mounting seat, and a second mounting hole is provided in the socket assembly mounting seat. The connecting screw passes through the socket assembly mounting seat from the upper end surface of the upper cover and extends into the second mounting hole to be fixedly connected with a nut.

10. The ionizing radiation proof plasma stove according to claim 1, characterized in that: The stove head further comprises a high temperature resistant insulating plate arranged above the mounting shell, and the plurality of discharge electrodes are mounted on the high temperature resistant insulating plate; A negative electrode for forming a discharge loop with a plurality of discharge electrodes is also arranged above the high temperature resistant insulation plate.

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