Concave flat-bottom electric ceramic stove

Abstract

The utility model particularly relates to a concave flat-bottom electric ceramic cooker which comprises a shell, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected through screws, an annular boss is arranged on the upper surface of the upper shell, a heating cavity is formed by a space defined by the annular boss, a plurality of protrusions are evenly distributed on the top of the annular boss, and the protrusions are used for supporting cookware. The microcrystalline plate is arranged at the bottom of the heating cavity and is in a circular shape, the diameter of the microcrystalline plate is larger than that of the through hole in the bottom of the heating cavity, and the microcrystalline plate is used for conducting heat; the electric ceramic cooker has the advantages that the annular boss is arranged on the outer shell, so that the heating cavity is formed, the protrusion is arranged at the top of the heating cavity, the risk that an operator is scalded accidentally in the using process of the electric ceramic cooker is effectively reduced, a certain gap exists between the cooker and the microcrystal plate due to the arrangement of the protrusion, and therefore the electric ceramic cooker is not prone to falling off. The microcrystalline plate is prevented from being damaged due to direct contact between the cookware and the microcrystalline plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric ceramic stove technical field, concretely relates to a concave flat bottom electric ceramic stove. BACKGROUND

[0002] Electric ceramic stove is a kind of kitchen stove equipment using electric current heat effect to convert electric energy into heat energy, and it is different from electromagnetic induction of electromagnetic oven, electric ceramic stove adopts similar open fire progressive heating, temperature can be as high as 700 DEG C, more suitable for high-temperature cooking such as stir-frying, in addition, electric ceramic stove also has many advantages such as strong pot compatibility, no electromagnetic radiation, accurate temperature control.

[0003] Through the retrieval, the patent with the authorized announcement No.CN216244445U discloses an electric ceramic stove, including base and shell, the shell is clamped on the base, two prisms are installed on the base, a same supporting rod is clamped and connected between the two prisms, an electric heater is installed on the supporting rod, a heat-conducting plate made of ceramic material is connected to the electric heater, a round hole is formed in the shell, the heat-conducting plate is located in the round hole, a controller is also installed in the base, the controller is electrically connected with the electric heater, a plurality of elastic buttons are installed on the controller, the elastic buttons extend to the outside through the sidewall of the shell, heat can be quickly discharged, so as to reduce the loss caused by heat, and prolong the service life of the electric heater.

[0004] Although the above scheme achieves the technical effect of quickly discharging heat to some extent, there are still the following deficiencies:

[0005] The heat-conducting plate in the above scheme is located on the top plane of the electric ceramic stove, but the heat-conducting plate needs a certain time to dissipate heat to restore room temperature after the electric ceramic stove is turned off, so the high-temperature heat-conducting plate is easy to be mistakenly touched by the operator after the electric ceramic stove is turned off, which can cause the operator to be scalded, in addition, the heat-conducting plate in the above scheme directly contacts with the pot, the heat-conducting plate is made of ceramic material, and the texture is brittle, so the heat-conducting plate is easy to be broken due to collision when directly contacting with the pot, thereby affecting the service life of the electric ceramic stove. UTILITY MODEL CONTENTS

[0006] To solve the problems in the prior art, the utility model provides a concave flat bottom electric ceramic stove.

[0007] The technical scheme of the utility model is as follows:

[0008] A concave flat bottom electric ceramic stove, including a shell, the shell includes an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected by screws, the upper shell upper surface is provided with a circular ring-shaped boss, the space surrounded by the circular ring-shaped boss forms a heating cavity, a plurality of protrusions are uniformly arranged on the top of the circular ring-shaped boss, and the protrusions are used for supporting the pot.

[0009] Further, the upper shell is provided with a plurality of fixed fins around the periphery, the fixed fins are provided with screw through holes, the lower shell is provided with a plurality of sunken areas corresponding to the fixed fins around the periphery, the other side of the sunken area forms a fixed block mounting portion, the bottom of the sunken area is provided with a pin hole, the fixed block mounting portion is provided with a fixed block, the fixed block includes a pin column portion and a square block portion, the square block portion is in interference fit with the fixed block mounting portion, the side surface of the square block portion is provided with a threaded hole, the threaded hole is concentrically aligned with the screw through hole, the screw is screwed through the screw through hole and the threaded hole, so as to fix the upper shell on the lower shell.

[0010] Further, the pin column portion is arranged in the sunken area through the pin hole, the pin column portion is in interference fit with the pin hole, the sunken area is used for disassembling the fixed block by pressing the pin column portion downward, the upper shell is made of ceramic material, and the fixed block is made of plastic material.

[0011] Further, the upper shell is arranged on the upper end of the lower shell, the upper end of the lower shell is provided with a stepped portion around the periphery, the lower surface of the upper shell abuts against the upper surface of the stepped portion, the width of the stepped portion is equal to the thickness of the upper shell, and the periphery of the upper shell is flush with the periphery of the stepped portion.

[0012] Further, the bottom of the heating cavity is provided with a microcrystalline plate, the microcrystalline plate is circularly arranged, the diameter of the microcrystalline plate is greater than the diameter of the through hole in the bottom of the heating cavity, and the microcrystalline plate is used for conducting heat.

[0013] Further, the lower shell is internally provided with a first circuit board, a second circuit board, a heating disc and a cooling fan, the inner bottom surface of the lower shell is provided with a plurality of circuit board fixing columns, a pair of heating disc fixing columns and a pair of fan fixing columns, the first circuit board and the second circuit board are fixed on the circuit board fixing columns by screws, the heating disc is fixed on the heating disc fixing columns by screws, the cooling fan is fixed on a fan fixing plate, the fan fixing plate is fixed on the fan fixing columns by screws, the heating disc is connected with the first circuit board, the heating disc is arranged above the first circuit board, the cooling fan is connected with the first circuit board on the second circuit board, the second circuit board distributes voltage and current for the cooling fan and the first circuit board, and the first circuit board controls the heating temperature of the heating disc.

[0014] Further, the heating disc is internally provided with an electric heating wire, the upper surface of the heating disc is connected with a microcrystalline plate, and the heat generated by the electric heating wire is transmitted to the pot through the microcrystalline plate.

[0015] Further, the first circuit board is provided with fixing column avoiding holes on both sides, the fixing column avoiding holes are matched with the fixing column of the heat disc in clearance, the fan fixing column is provided with fan guide columns on both sides, the fan fixing plate is provided with two guide holes respectively, the top end of the fan guide column is spherical, the guide hole is matched with the fan guide column in interference, the bottom of the lower shell is provided with a plurality of heat dissipation holes, and the fan is arranged above the heat dissipation holes.

[0016] Further, the upper shell is provided with a control panel on one side, which is used for controlling temperature and time, the lower shell is provided with a plurality of heat dissipation holes on the opposite side of the two sides and the inclined surface, the heat dissipation holes are arranged in a strip shape, the lower shell is integrally formed with a supporting leg at each corner of the outer bottom surface.

[0017] The utility model discloses the reached beneficial effects are:

[0018] 1, the utility model discloses a circular boss is set up on the shell to form heating cavity, and the boss is set up at the top of heating cavity, effectively reduces the risk of accidental scalding of operator caused by electric ceramic stove in the process of using, and the setting of boss also makes that there is certain gap between the pot and the microcrystalline plate, avoids the direct contact of the pot and the microcrystalline plate and damage the microcrystalline plate.

[0019] 2, the utility model discloses the fixed block and screw of plastic material quality fixedly connect upper shell and lower shell, make dismounting maintenance more convenient, avoid the manufacturing process of the fixed structure of processing on the upper shell, effectively reduce production cost.

[0020] 3, the utility model discloses the interference fit of guide column and the guide hole on the fan fixing plate, makes the heat dissipation fan more stable in the process of high -speed operation, effectively reduces the vibration of electric ceramic stove caused by high -speed rotation of heat dissipation fan. ACCURATE DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the utility model.

[0022] Figure 2 It is the explosion schematic diagram of the upper shell and the microcrystalline plate of the utility model.

[0023] Figure 3 It is the schematic diagram of the lower shell and internal structure of the utility model.

[0024] Figure 4 It is the schematic diagram of the lower shell and internal structure of the utility model Figure 3 The local enlarged schematic diagram of A place in the utility model.

[0025] Figure 5 It is the explosion schematic diagram of the lower shell and internal structure of the utility model.

[0026] Figure 6 is the structural schematic diagram of the lower shell of the utility model.

[0027] Figure 7 is the structural schematic diagram of the utility model Figure 6 another perspective structural schematic diagram.

[0028] In the figure, 1, upper shell;2, lower shell;201, heat dissipation hole;202, inner recess;203, pin hole;204, step part;205, fixed block mounting part;3, microcrystalline plate;4, heating cavity;5, control panel;6, protrusion;7, screw;8, fixed fin;801, screw via hole;9, fixed block;901, pin column part;902, square block part;903, screw hole;10, heating disc;11, heating wire;12, first circuit board;1201, fixed column avoiding hole;13, second circuit board;14, fan fixing plate;1401, guide hole;15, heat dissipation fan;16, supporting leg;17, heating disc fixed column;18, circuit board fixed column;19, fan fixed column;20, fan guide column. Specific implementation

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, it should be explained that the terms "upper end", "lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Referring to Figures 1 to 7 The utility model provides a technical scheme:

[0033] A concave flat bottom electric ceramic stove, including shell, the shell includes upper shell 1 and lower shell 2, the upper shell 1 and the lower shell 2 are fixedly connected by screw 7, the upper shell 1 upper surface is equipped with annular boss, the space formed by the annular boss top is evenly provided with a plurality of protrusions 6, the protrusion 6 is used for supporting the pot.

[0034] Specifically, as shown in Figure 2 The upper shell 1 is provided with a plurality of fixed fins 8, the fixed fin 8 is provided with screw via hole 801, the lower shell 2 is provided with a plurality of invaginated areas 202 corresponding to the fixed fin 8, the other side of the invaginated area 202 forms fixed block mounting portion 205, the bottom of the invaginated area 202 is equipped with pin hole 203, the fixed block mounting portion 205 is equipped with fixed block 9, the fixed block 9 includes pin column portion 901 and square block portion 902, the square block portion 902 is interference fit with the fixed block mounting portion 205, the square block portion 902 side is equipped with threaded hole 903, the threaded hole 903 is concentric with the screw via hole 801, the screw 7 is screwed through the screw via hole 801 and the threaded hole 903, so that the upper shell 1 is fixed on the lower shell 2.

[0035] Specifically, the screw 7 is preferably a cross slot self-tapping screw 7.

[0036] Specifically, as shown in Figure 2 Figure 7 The pin column portion 901 is arranged in the invaginated area 202 by passing through the pin hole 203, the pin column portion 901 is interference fit with the pin hole 203, the invaginated area 202 is used for disassembling the fixed block 9 by pressing the pin column portion 901 downwards, the upper shell 1 is of ceramic material, and the fixed block 9 is of plastic material.

[0037] Specifically, since the tapping or the buckle setting process on the ceramic material is relatively complex and difficult to process, the fixed block 9 can be integrally formed by injection molding, thereby reducing the production cost.

[0038] Specifically, as shown in Figure 4 The lower end of the upper shell 1 is sleeved on the upper end of the lower shell 2, the upper end of the lower shell 2 is provided with a step portion 204, the lower plane of the upper shell 1 abuts against the upper plane of the step portion 204, the width of the step portion 204 is equal to the thickness of the upper shell 1, and the periphery of the upper shell 1 is flush with the periphery of the step portion 204.

[0039] Specifically, as shown in Figure 2 ​As shown, the heating cavity 4 bottom is provided with a microcrystalline plate 3, the microcrystalline plate 3 is circularly arranged, the diameter of the microcrystalline plate 3 is greater than the diameter of the bottom through hole of the heating cavity 4, and the microcrystalline plate 3 is used for conducting heat.

[0040] Specifically, the material of the microcrystalline plate 3 is preferably a composite material made of glass particles sintered and crystallized at high temperature, which has the characteristics of high temperature resistance and fast heat conduction, and the thermal conductivity is 1.6 W / (m·K), and the thickness of the microcrystalline plate 3 is preferably 10-15 mm.

[0041] Specifically, as shown in Figure 1 and Figure 2 As shown, the lower shell 2 is internally provided with a first circuit board 12, a second circuit board 13, a heating disc 10 and a cooling fan 15, the lower shell 2 is internally provided with a plurality of circuit board fixing columns 18, a pair of heating disc fixing columns 17 and a pair of fan fixing columns 19, the first circuit board 12 and the second circuit board 13 are fixed on the circuit board fixing columns 18 by screws 7, the heating disc 10 is fixed on the heating disc fixing columns 17 by screws 7, the cooling fan 15 is fixed on a fan fixing plate 14, the fan fixing plate 14 is fixed on the fan fixing columns 19 by screws 7, the heating disc 10 is connected with the first circuit board 12, the heating disc 10 is arranged above the first circuit board 12, the cooling fan 15 is connected with the first circuit board 12 on the second circuit board 13, the second circuit board 13 distributes voltage and current for the cooling fan 15 and the first circuit board 12, and the first circuit board 12 controls the heating temperature of the heating disc 10.

[0042] Specifically, the rated voltage of the cooling fan 15 is 24V, and the rated voltage of the heating disc 10 is 220V.

[0043] Specifically, as shown in Figure 3 As shown, the heating disc 10 is internally provided with an electric heating wire 11, the upper side of the heating disc 10 is connected with the microcrystalline plate 3, and the heat generated by the electric heating wire 11 is transmitted to the pot through the microcrystalline plate 3.

[0044] Specifically, the electric heating wire 11 is a nickel-chromium alloy heating wire or an iron-chromium heating sheet, which generates heat and far infrared rays after being electrified, and heats the pot through heat conduction and infrared radiation.

[0045] Specifically, as shown in Figure 5As shown, the first circuit board 12 is provided with a fixing column avoiding hole 1201 on both sides, which is used to set the first circuit board 12 on the heat disc fixing column 17, the fixing column avoiding hole 1201 is in clearance fit with the heat disc fixing column 17, the fan fixing column 19 is provided with a fan guide column 20 on both sides, the fan fixing plate 14 is provided with two guide holes 1401, the top end of the fan guide column 20 is spherical, the guide hole 1401 is in interference fit with the fan guide column 20, the bottom of the lower shell 2 is provided with a plurality of heat dissipation holes 201, and the fan is arranged above the heat dissipation holes 201.

[0046] Specifically, as shown in the figure, Figure 7 As shown, one side of the upper shell 1 is provided with a control panel 5, which is used to control the temperature and time, the opposite side of the lower shell 2 and the inclined surface is provided with a plurality of heat dissipation holes 201, the heat dissipation holes 201 are provided in the shape of a long strip, the lower shell 2 is provided with a support leg 16 at each corner of the outer bottom surface, and the support leg 16 is integrally formed with the lower shell 2.

[0047] Specifically, the lower shell 2 is provided with a plurality of reinforcing rib plates inside, and the opposite side of the lower shell 2 and the control panel 5 is provided with a power supply interface.

[0048] In this embodiment, the related technical personnel first fixes the first circuit board 12 and the second circuit board 13 on the circuit board fixing column 18 through the screw 7, then fixes the heat dissipation fan 15 on the fan fixing column 19 through the screw 7, and installs the guide hole 1401 on the fan fixing plate 14 to be aligned with the fan guide column 20, so that the spherical structure at the top of the fan guide column 20 is completely inserted into the guide hole 1401 and is in interference fit with the guide hole 1401, and the power line of the heat dissipation fan 15 and the first circuit board 12 is connected to the second circuit board 13, then the heat disc 10 is fixed to the heat disc fixing column 17 through the screw 7, and the control line of the heat disc 10 is connected to the first circuit board 12, then the microcrystalline plate 3 is covered and fixed on the heat disc 10, then the fixing block 9 is sequentially inserted into the fixing block mounting portion 205, and finally the upper shell 1 is sleeved on the top of the lower shell 2, so that the bottom of the upper shell 1 is tightly attached to the step portion 204, the screw through hole 801 on the fixing fin 8 is aligned with the threaded hole 903 on the fixing block 9, and finally the screw 7 is sequentially tightened.

[0049] In this embodiment, the related technical personnel sequentially loosens the screw 7 when disassembling, then checks the fixing block 9, if it is found that the fixing block 9 needs to be replaced, the pin column portion 901 can be knocked out from top to bottom in the sunken area 202, so that a new fixing block 9 can be replaced to ensure stable connection.

[0050] In use, the related skilled person first connects the power supply, then adjusts the temperature and time through the control panel 5, and finally places the pot on the protrusion 6 in the heating cavity 4.

[0051] The unrecited part of the utility model is the prior art or the known technology.

[0052] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

[0053] The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A recessed flat bottom electric ceramic stove characterized by: The utility model provides a kind of electric cooker, including shell, the shell includes upper shell (1) and lower shell (2), the upper shell (1) and the lower shell (2) are fixedly connected by screw (7), the upper shell (1) upper surface is equipped with circular ring boss, the space formed by the circular ring boss forms heating cavity (4), the circular ring boss top is uniformly equipped with several protrusions (6), and the protrusions (6) are used to support pot.

2. A recessed electric ceramic hob according to claim 1, characterized in that: The upper shell (1) is equipped with several fixed fins (8) around, the fixed fin (8) is equipped with screw via hole (801), the lower shell (2) is equipped with several invaginated areas (202) around corresponding the fixed fin (8), the other side of the invaginated area (202) forms fixed block mounting portion (205), the invaginated area (202) bottom is equipped with pin hole (203), the fixed block mounting portion (205) is equipped with fixed block (9) in, the fixed block (9) includes pin column portion (901) and square block portion (902), the square block portion (902) is interference fit with the fixed block mounting portion (205), the square block portion (902) side is equipped with threaded hole (903), the threaded hole (903) is concentric with the screw via hole (801) alignment, the screw (7) is screwed with the threaded hole (903) through the screw via hole (801) threaded connection, to fix the upper shell (1) on the lower shell (2).

3. A recessed electric ceramic hob according to claim 2, characterized in that: The pin column portion (901) is arranged in the invaginated area (202) through the pin hole (203), the pin column portion (901) is interference fit with the pin hole (203), the invaginated area (202) is used to remove the fixed block (9) by pressing the pin column portion (901) downward, the upper shell (1) is ceramic material, and the fixed block (9) is plastic material.

4. A recessed electric ceramic hob according to claim 2, characterized in that: The upper shell (1) lower end is sleeved on the upper end of the lower shell (2), the lower end of the lower shell (2) is equipped with step portion (204) around, the upper plane of the step portion (204) is abutted with the lower plane of the upper shell (1), the width of the step portion (204) is equal to the thickness of the upper shell (1), and the periphery of the upper shell (1) is flush with the periphery of the step portion (204).

5. A recessed electric ceramic cooktop according to claim 1, characterized in that: The heating cavity (4) bottom is equipped with microcrystalline plate (3), the microcrystalline plate (3) is circularly arranged, the diameter of the microcrystalline plate (3) is greater than the diameter of the heating cavity (4) bottom through-hole, and the microcrystalline plate (3) is used for conducting heat.

6. A recessed electric ceramic cooktop according to claim 1, characterized in that: The lower shell (2) is internally provided with a first circuit board (12), a second circuit board (13), a heating disc (10) and a cooling fan (15), the lower shell (2) is internally provided with a plurality of circuit board fixing columns (18), a pair of heating disc fixing columns (17) and a pair of fan fixing columns (19), the first circuit board (12) and the second circuit board (13) are fixed on the circuit board fixing columns (18) through screws (7), the heating disc (10) is fixed on the heating disc fixing columns (17) through screws (7), the cooling fan (15) is fixed on a fan fixing plate (14), the fan fixing plate (14) is fixed on the fan fixing columns (19) through screws (7), the heating disc (10) is connected with the first circuit board (12), the heating disc (10) is arranged above the first circuit board (12), the cooling fan (15) is connected with the first circuit board (12) on the second circuit board (13), the second circuit board (13) distributes voltage and current for the cooling fan (15) and the first circuit board (12), the first circuit board (12) controls the heating temperature of the heating disc (10).

7. A recessed electric ceramic hob according to claim 6, characterized in that: The heating disc (10) is internally provided with an electric heating wire (11), the upper portion of the heating disc (10) is connected with a microcrystalline plate (3), and the heat generated by the electric heating wire (11) is transmitted to a pot through the microcrystalline plate (3).

8. A recessed electric ceramic hob according to claim 6, characterized in that: The first circuit board (12) is provided with fixing column avoiding holes (1201) on both sides, which are used for sleeving the first circuit board (12) on the heating disc fixing columns (17), the fixing column avoiding holes (1201) are in clearance fit with the heating disc fixing columns (17), the fan fixing columns (19) are provided with fan guide columns (20) on both sides, the fan fixing plate (14) is provided with two guide holes (1401) respectively, the top end of the fan guide column (20) is spherical, the guide hole (1401) is in interference fit with the fan guide column (20), and the lower shell (2) is provided with a plurality of cooling holes (201) at the bottom.

9. A recessed electric ceramic cooktop according to claim 1, characterized in that: One side of the upper shell (1) is provided with an inclined surface, and a control panel (5) is arranged on the inclined surface and used for controlling temperature and time, the opposite side of the inclined surface of the lower shell (2) is provided with a plurality of cooling holes (201), the cooling holes (201) are in long strip shape, the lower shell (2) is provided with a supporting leg (16) at each corner of the outer bottom surface, and the supporting leg (16) is integrally formed with the lower shell (2).

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