Glass kettle heater

Abstract

The utility model discloses a glass kettle heater which comprises a heating base used for heating a glass kettle, the heating base comprises a shell, a main control circuit board, a control panel assembly and a heating disc, the heating disc is arranged at the top of the shell, and the control panel assembly and the heating disc are respectively and electrically connected with the main control circuit board. The periphery of the control panel assembly is buckled with a decorative ring, the shell is provided with an opening corresponding to the periphery of the decorative ring, the control panel assembly is inserted into the shell from the outer side of the opening, and the decorative ring is buckled with the inner wall of the shell. The control panel assembly of the glass kettle heater can be fixedly combined together outside the shell and then buckled with the shell, and the installation is convenient.

Description

Technical Field

[0001] The utility model relates to a liquid heating device, in particular to a glass pot heater. Background Art

[0002] The current glass kettle heater includes a heating base, which includes a shell, a main control circuit board, a control panel assembly and a heating plate. The heating plate is arranged on the top of the shell. The control panel assembly includes a control circuit board, a decorative panel and a support plate. The support plate is integrally formed with the shell. The surface of the support plate is hollowed out corresponding to the indicator light on the control circuit board. The support plate is provided with an elastic pressing portion corresponding to the control switch on the control circuit board. The control circuit board is arranged in the shell and electrically connected to the main control circuit board. The decorative panel is mainly a sticker, on which an indication pattern is printed and affixed to the outer side of the support plate. After long-term use, the adhesive of the decorative panel of this structure is easily invalidated, so that the decorative panel falls off. In addition, due to the small internal space of the shell, the control circuit board needs to be installed in the shell and then fixed by screws, which is inconvenient to operate. Utility Model Content

[0003] The utility model aims to provide a glass kettle heater which has a simple and reasonable structure and is easy to install.

[0004] The purpose of the utility model is achieved in this way:

[0005] A glass kettle heater comprises a heating base for heating a glass kettle, the heating base comprises a shell, a main control circuit board, a control panel assembly and a heating plate, the heating plate is arranged on the top of the shell, the control panel assembly and the heating plate are electrically connected to the main control circuit board respectively, a decorative ring is buckled on the periphery of the control panel assembly, the shell is provided with an opening corresponding to the periphery of the decorative ring, the control panel assembly is inserted into the shell from the outside of the opening, and the decorative ring is buckled on the inner wall of the shell.

[0006] The purpose of the utility model can also be solved by the following technical measures:

[0007] As a more specific solution, the control panel assembly includes a display panel, a shading block and a control circuit board. The control panel assembly is buckled with the decorative ring through the display panel. The control circuit board is provided with a sensing switch and several indicator lights. The shading block and the control circuit board are connected to the back of the display panel in sequence. The shading block is provided with through holes corresponding to the sensing switch and each indicator light.

[0008] As a further solution, the display panel is an acrylic plate, a shading layer is provided on the back side thereof, and a hollow indication window is provided at the through hole of the shading layer corresponding to the shading block.

[0009] As a further solution, a connecting column is also provided on the back of the display panel, and the control panel assembly also includes a protective plate. The shading block and the control circuit board are provided with positioning holes corresponding to the connecting columns, and the positioning holes cooperate with the connecting columns. The protective plate is connected to the connecting columns by screws, and the shading block and the control circuit board are pressed tightly against the back of the display panel.

[0010] As a further solution, a first sunken platform is provided on the inner side of the opening, the decorative ring is embedded in the opening and supported on the first sunken platform, a plurality of first inverted buckles are provided on the outer periphery of the decorative ring, the first sunken platform is provided with a first avoidance opening corresponding to the first inverted buckle, and the first inverted buckle is buckled with the inner wall of the shell after passing through the first avoidance opening; a second sunken platform is provided on the inner ring surface of the decorative ring, the display panel is embedded in the opening and supported on the second sunken platform, a plurality of second inverted buckles are provided on the outer periphery of the display panel, the second sunken platform is provided with a second avoidance opening corresponding to the second inverted buckle, and the second inverted buckle is buckled with the inner end surface of the decorative ring after passing through the second avoidance opening.

[0011] As a further solution, the heating base also includes a heating plate, which is electrically connected to the main control circuit board and exposed at the top of the shell. A side support plate extends upward from one side of the shell. A temperature and water level detection module is provided on the side of the side support plate close to the heating plate. The temperature and water level detection module is electrically connected to the main control circuit board and elastically cooperates with the side support plate laterally.

[0012] As a further solution, the shell includes an upper shell body, an inner lining and a bottom shell, the upper shell body is annular, the opening is arranged on one side of the upper shell body, and the side support plate is arranged on the top of the other side of the upper shell body; the inner lining is groove-shaped and arranged on the inner side of the upper shell body, the heating plate is arranged in the groove cavity of the inner lining, and an insulating pad is provided between the bottom of the heating plate and the inner lining, and the outer periphery of the heating plate is separated from the inner wall of the inner lining; a third sinking platform is provided on the inner side of the top of the upper shell body, an outer flange is provided on the top of the inner lining, and the outer flange is supported on the third sinking platform, and the bottom shell is arranged on the bottom of the upper shell body and connected to the inner lining; the main control circuit board is arranged outside the bottom of the inner lining; the bottoms of the inner lining and the bottom shell are both provided with drainage holes.

[0013] As a further solution, the main control circuit board is electrically connected to the power cord, and a sudden jump thermostat is provided on the connection line between the power cord or the main control circuit and the heating plate. The sudden jump thermostat is arranged at the bottom of the heating plate, and a cover is provided on the top of the main control circuit board.

[0014] As a further solution, a clamping cavity is provided in the side support plate, and an opening is provided on the side of the clamping cavity facing the heating plate; a fixed seat is provided in the clamping cavity, and the temperature and water level detection module is laterally slidably matched with the fixed seat, and a detection surface is provided on one side of the temperature and water level detection module, and the detection surface extends out of the opening.

[0015] As a further solution, the temperature and water level detection module includes a front shell, a rear shell, a metal plate, a water level detection signal line, a temperature sensor and a detection circuit board; the metal plate is arranged on the outer surface of the front shell, and the two ends of the water level detection signal line are electrically connected to the back side of the metal plate and the detection circuit board respectively, and the temperature sensor is electrically connected to the detection circuit board and is close to the back side of the metal plate; the front shell and the rear shell are connected to each other, and the water level detection signal line, the temperature sensor and the detection circuit board are located between the front shell and the rear shell; pins are provided on the left and right sides of the front shell or the rear shell, and the fixed seat is in the shape of a cover with an open front end and a bottom, the front shell is embedded in the inner side of the fixed seat and slides with the fixed seat forward and backward, and the left and right sides of the front shell are provided with forward and backward pointing slide grooves, the pins are inserted into the slide grooves and slide with the slide grooves forward and backward, and a reset spring is provided between the rear surface of the rear shell and the fixed seat.

[0016] As a further solution, the lower part of the glass pot body is provided with a smooth surface, and the smooth surface is close to the outer surface of the temperature and water level detection module; the glass pot is provided with a cavity inside, and a spout and an open mouth are provided on one side and the top of the glass pot respectively, and the spout and the open mouth are connected to the cavity respectively. A pot cover is directly provided on the open mouth; or, a filter cup is provided in the cavity, and a pot cover is provided on the open mouth; or, a stew cup is provided in the cavity, and a hanging ear is provided on the top of the stew cup, and the hanging ear is hung on the open mouth, and a pot cover is provided on the top of the stew cup.

[0017] As a further solution, the cross section of the decorative ring is V-shaped, so that the control panel appears to be suspended. At the same time, due to the stronger elastic deformation ability of the V-shaped structure, the size design can achieve closer contact with the inner wall of the opening and the outer wall of the control panel assembly.

[0018] The beneficial effects of the utility model are as follows:

[0019] The control panel assembly of the glass kettle heater can be fixedly assembled together outside the shell and then buckled with the shell, which is convenient to install.

[0020] (2) The outer side of the control panel assembly of this glass kettle heater is an acrylic panel (display panel), which has higher brightness. In addition, the acrylic panel is buckled with the decorative edge to avoid the problem of loose glue.

[0021] (3) The outer periphery of the heating plate of this glass kettle heater is separated from the upper shell and the inner lining to reduce heat transfer; in addition, drainage holes are provided at the bottom of the inner lining and the bottom shell to prevent water accumulation in the heating plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the heating base in the utility model.

[0023] Figure 2 It is a schematic diagram of the transverse cross-sectional structure of the control panel assembly and the decorative ring after being connected in the utility model.

[0024] Figure 3 This is a schematic diagram of the structure at an angle after the bottom shell of the heating base in the utility model is removed.

[0025] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0026] Figure 5 It is a schematic diagram of the exploded structure of the heating base in the utility model.

[0027] Figure 6 for Figure 5 Schematic diagram of the structure from another angle.

[0028] Figure 7 It is a schematic diagram of the exploded structure of the control panel assembly, the decorative ring and part of the upper shell body in the utility model.

[0029] Figure 8 for Figure 7 Schematic diagram of the structure of the control panel assembly and decorative ring from another angle.

[0030] Fig. 9 It is a schematic diagram of the decomposed structure of the temperature and water level detection module in the utility model.

[0031] Fig.10 for Fig. 9 Schematic diagram of the structure from another angle.

[0032] Fig.11 This is a schematic diagram of the structure of the heating base and the glass kettle after they are matched.

[0033] Fig.12 for Fig.11 A schematic diagram of a cross-section structure.

[0034] Fig.13 It is a schematic cross-sectional view of another glass pot in the utility model. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0036] See also Figures 1 to 12 As shown, a glass pot heater includes a heating base for heating a glass pot 80, the heating base includes a shell, a main control circuit board 72, a control panel assembly and a heating plate 50, the heating plate 50 is arranged on the top of the shell, the control panel assembly and the heating plate 50 are electrically connected to the main control circuit board 72 respectively, the outer periphery of the control panel assembly is buckled with a decorative ring 22, the shell is provided with an opening corresponding to the outer periphery of the decorative ring 22, the control panel assembly is inserted into the shell from the outside of the opening 11, and the decorative ring 22 is buckled with the inner wall of the shell.

[0037] The control panel assembly includes a display panel 21, a light shielding block 23 and a control circuit board 25. The control panel assembly is buckled with the decorative ring 22 through the display panel 21. The control circuit board 25 is provided with a sensor switch and a plurality of indicator lights. The light shielding block 23 and the control circuit board 25 are sequentially connected to the back of the display panel 21. The light shielding block 23 is provided with through holes 231 corresponding to the sensor switch 251 and each indicator light. The indicator lights include a function indicator light 252 and a digital indicator light 253. The digital indicator light 253 is connected to the light shielding block 23 through the first light shielding block 24. The first light shielding block 24 is provided with a light guide hole corresponding to the digital indicator light 253.

[0038] The display panel 21 is an acrylic plate, and a light shielding layer 212 is disposed on the back thereof. The light shielding layer 212 is provided with a hollow indicating window at a position corresponding to the through hole 231 of the light shielding block 23 .

[0039] The display panel 21 is also provided with a connecting column 213 on the back, and the control panel assembly also includes a protective plate 26. The shading block 23 and the control circuit board 25 are provided with positioning holes corresponding to the connecting columns, and the positioning holes cooperate with the connecting columns. The protective plate 26 is connected to the connecting columns by screws, and the shading block 23 and the control circuit board 25 are pressed against the back of the display panel 21.

[0040] A first recessed platform 111 is provided on the inner side of the opening 11, the decorative ring 22 is embedded in the opening 11 and supported on the first recessed platform 111, a plurality of first inverted buckles 221 are provided on the outer periphery of the decorative ring 22, the first recessed platform 111 is provided with a first avoidance opening 112 corresponding to the first inverted buckle 221, the first inverted buckle 221 passes through the first avoidance opening 112 and is buckled with the inner wall of the shell; a second recessed platform 222 is provided on the inner ring surface of the decorative ring 22, the display panel 21 is embedded in the opening 11 and supported on the second recessed platform 222, a plurality of second inverted buckles 211 are provided on the outer periphery of the display panel 21, the second recessed platform 222 is provided with a second avoidance opening corresponding to the second inverted buckle 211, the second inverted buckle 211 passes through the second avoidance opening and is buckled with the inner end surface of the decorative ring 22.

[0041] The heating base also includes a heating plate 50, which is electrically connected to the main control circuit board 72 and exposed at the top of the shell. A side support plate 12 extends upward from one side of the shell. A temperature and water level detection module is provided on the side of the side support plate 12 close to the heating plate 50. The temperature and water level detection module is electrically connected to the main control circuit board 72 and elastically cooperates with the side support plate 12 laterally.

[0042] The heating plate 50 comprises a cast aluminum heat conducting plate and a heating pipe 52 . The heating pipe is pre-buried in the cast aluminum heat conducting plate. A supporting foot 51 and a ground connection foot 54 extend from the bottom of the cast aluminum heat conducting plate.

[0043] The shell includes an upper shell body 10, an inner lining 40 and a bottom shell 60. The upper shell body 10 is annular, the opening 11 is arranged on one side of the upper shell body 10, and the side support plate 12 is arranged on the top of the other side of the upper shell body 10; the inner lining 40 is groove-shaped and arranged on the inner side of the upper shell body 10, the heating plate 50 is arranged in the groove cavity of the inner lining 40, and an insulating pad 511 is arranged between the supporting feet 51 at the bottom of the heating plate 50 and the inner lining 40, and the outer periphery of the heating plate 50 is separated from the inner wall of the inner lining 40; a third sinking platform 13 is provided on the inner side of the top of the upper shell body 10, and an outer flange 41 is provided on the top of the inner lining 40, and the outer flange 41 is supported on the third sinking platform 13, and the bottom shell 60 is arranged at the bottom of the upper shell body 10 and connected to the inner lining 40; the main control circuit board 72 is arranged outside the bottom of the inner lining 40; the bottoms of the inner lining 40 and the bottom shell 60 are both provided with drainage holes. Specifically, the bottom of the groove of the liner 40 is provided with a first drainage hole 42, and the bottom of the bottom shell 60 is provided with a second drainage hole 61 and a third drainage hole 63, and the first drainage hole 42 and the second drainage hole 61 are connected. When water enters the groove of the liner 40, the water is discharged to the outer bottom of the bottom shell 60 through the first drainage hole 42 and the second drainage hole 61. When water enters the bottom shell 60, the water is discharged to the outer bottom of the bottom shell 60 through the third drainage hole 62.

[0044] The main control circuit board 72 is electrically connected to the power line, and a jump-type thermostat is provided on the connection line between the power line or the main control circuit and the heating plate 50. The jump-type thermostat is arranged at the bottom of the heating plate 50, and a cover plate 71 is provided on the top of the main control circuit board 72. The main control circuit board 72 and the cover plate 71 are connected together to the outside of the bottom of the lining 40. A mounting groove 53 is provided at the bottom of the heating plate 50 corresponding to the jump-type thermostat. Since the jump-type thermostat is surrounded by the groove wall and has a wider heating surface, once the temperature rise of the heating plate reaches the jump-type thermostat starting temperature, the jump-type thermostat is disconnected, so that the heating plate stops supplying power to ensure safety.

[0045] A clamping cavity is provided in the side support plate 12, and an opening is provided on the side of the clamping cavity facing the heating plate 50; a fixing seat 33 is provided in the clamping cavity, and the temperature and water level detection module is laterally slidably matched with the fixing seat 33, and a detection surface is provided on one side of the temperature and water level detection module, and the detection surface extends out of the opening.

[0046] The lower part of the glass pot 80 is provided with a smooth surface 81, which is close to the detection surface of the temperature and water level detection module; the interior of the glass pot 80 is provided with a cavity 85, and one side and the top of the glass pot 80 are respectively provided with a spout 82 and an open mouth 83, which are respectively connected to the cavity.

[0047] The temperature and water level detection module includes a front shell 31, a rear shell 32, a metal plate 34, a water level detection signal line 351, a temperature sensor 352 and a detection circuit board 35; the metal plate 34 is arranged on the outer surface of the front shell 31, the two ends of the water level detection signal line 351 are electrically connected to the back of the metal plate 34 and the detection circuit board 35 respectively, the temperature sensor 352 is electrically connected to the detection circuit board 35 and is close to the back of the metal plate 34; the front shell 31 and the rear shell 32 are connected to each other, the water level detection signal line 351, the temperature sensor 352 and the detection circuit board 35 are electrically connected to the detection circuit board 35, and the temperature sensor 352 is electrically connected to the detection circuit board 35 and is close to the back of the metal plate 34. The sensor 352 and the detection circuit board 35 are located between the front shell 31 and the rear shell 32; the left and right sides of the front shell 31 or the rear shell 32 are provided with a pin shaft 311, the fixed seat 33 is in the shape of a cover with an open front end and a bottom, the front shell 31 is embedded in the inner side of the fixed seat 33, and slides with the fixed seat 33 in a forward and backward manner, the left and right sides of the front shell 31 are provided with a slide groove 331 pointing forward and backward, the pin shaft is inserted into the slide groove and slides with the slide groove in a forward and backward limited manner, and a reset spring (not shown in the figure) is provided between the rear surface of the rear shell 32 and the fixed seat 33. The outer surface of the metal plate 34 forms the detection surface. The combination of the metal plate 34, the water level detection signal line 351, the temperature sensor 352 and the detection circuit board 35 belongs to the prior art, and its general principle is: after the glass pot is placed on the heating base, the temperature and water level detection module is pushed toward the smooth surface of the glass pot under the action of the reset spring, and the detection surface is in contact with the smooth surface. The metal plate 34 can more efficiently transfer the temperature of the glass pot to the temperature sensor, and the main control circuit board controls the operation of the heating plate according to the temperature data and the mode set by the control circuit board; at the same time, when the water level of the glass pot is lower than the metal plate, the medium at the height of the glass pot corresponding to the metal plate is air, and the sensing capacitance value changes when the medium is water, thereby judging that there is a lack of water, and the control circuit board controls the operation of the heating plate according to the default mode when there is a lack of water.

[0048] The pot cover 84 is directly disposed on the opening 83; or, a filter cup 86 is disposed in the cavity 85 of the glass pot 80, and a pot cover 84 is disposed on the opening 83. Fig.13 As shown, a stew cup 87 is provided in the cavity 85 , a hanging ear 88 is provided on the top of the stew cup 87 , the hanging ear 88 is hung on the opening, and a pot cover 84 is provided on the top of the stew cup 87 .

[0049] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A glass kettle heater, comprising a heating base for heating a glass kettle, the heating base comprising a housing, a main control circuit board, a control panel assembly and a heating plate, the heating plate being arranged on the top of the housing, the control panel assembly and the heating plate being electrically connected to the main control circuit board respectively, characterized in that: The outer periphery of the control panel assembly is buckled with a decorative ring, the shell is provided with an opening corresponding to the outer periphery of the decorative ring, the control panel assembly is inserted into the shell from the outside of the opening, and the decorative ring is buckled with the inner wall of the shell.

2. The glass pot heater according to claim 1, characterized in that: The control panel assembly includes a display panel, a shading block and a control circuit board. The control panel assembly is buckled with the decorative ring through the display panel. The control circuit board is provided with a sensing switch and a plurality of indicator lights. The shading block and the control circuit board are connected to the back of the display panel in sequence. The shading block is provided with through holes corresponding to the sensing switch and each indicator light.

3. The glass pot heater according to claim 2, characterized in that: The display panel is an acrylic plate, a light shielding layer is provided on the back thereof, and a hollow indicating window is provided at the through hole of the light shielding layer corresponding to the light shielding block.

4. The glass pot heater according to claim 2, characterized in that: The display panel is also provided with a connecting column on the back, and the control panel assembly also includes a protective plate. The shading block and the control circuit board are provided with positioning holes corresponding to the connecting columns. The positioning holes cooperate with the connecting columns. The protective plate is connected to the connecting columns by screws, and the shading block and the control circuit board are pressed tightly against the back of the display panel.

5. The glass pot heater according to claim 2, characterized in that: A first sunken platform is provided on the inner side of the opening, the decorative ring is embedded in the opening and supported on the first sunken platform, a plurality of first inverted buckles are provided on the outer periphery of the decorative ring, a first avoidance opening is provided on the first sunken platform corresponding to the first inverted buckle, and the first inverted buckle is buckled with the inner wall of the shell after passing through the first avoidance opening; a second sunken platform is provided on the inner ring surface of the decorative ring, the display panel is embedded in the opening and supported on the second sunken platform, a plurality of second inverted buckles are provided on the outer periphery of the display panel, a second sunken platform is provided with a second avoidance opening corresponding to the second inverted buckle, and the second inverted buckle is buckled with the inner end surface of the decorative ring after passing through the second avoidance opening.

6. The glass pot heater according to claim 1, characterized in that: The heating base also includes a heating plate, which is electrically connected to the main control circuit board and exposed at the top of the shell. A side support plate extends upward from one side of the shell. A temperature and water level detection module is provided on the side of the side support plate close to the heating plate. The temperature and water level detection module is electrically connected to the main control circuit board and elastically cooperates with the side support plate laterally.

7. The glass pot heater according to claim 6, characterized in that: The shell comprises an upper shell body, an inner lining and a bottom shell. The upper shell body is annular, the opening is arranged on one side of the upper shell body, and the side support plate is arranged on the top of the other side of the upper shell body; the inner lining is groove-shaped and arranged on the inner side of the upper shell body, the heating plate is arranged in the groove cavity of the inner lining, and an insulating pad is arranged between the bottom of the heating plate and the inner lining, and the outer periphery of the heating plate is separated from the inner wall of the inner lining; a third sinking platform is arranged on the inner side of the top of the upper shell body, an outer flange is arranged on the top of the inner lining, and the outer flange is supported on the third sinking platform, and the bottom shell is arranged on the bottom of the upper shell body and connected to the inner lining; the main control circuit board is arranged outside the bottom of the inner lining; the bottoms of the inner lining and the bottom shell are both provided with drainage holes.

8. The glass pot heater according to claim 7, characterized in that: The main control circuit board is electrically connected to the power line. A sudden jump thermostat is provided on the connection line between the power line or the main control circuit and the heating plate. The sudden jump thermostat is arranged at the bottom of the heating plate. A cover plate is provided on the top of the main control circuit board.

9. The glass pot heater according to claim 6, characterized in that: A clamping cavity is provided in the side support plate, and an opening is provided on the side of the clamping cavity facing the heating plate; a fixing seat is provided in the clamping cavity, and the temperature and water level detection module is laterally slidably matched with the fixing seat, and a detection surface is provided on one side of the temperature and water level detection module, and the detection surface extends out of the opening; The temperature and water level detection module includes a front shell, a rear shell, a metal plate, a water level detection signal line, a temperature sensor and a detection circuit board; the metal plate is arranged on the outer surface of the front shell, the two ends of the water level detection signal line are electrically connected to the back of the metal plate and the detection circuit board respectively, the temperature sensor is electrically connected to the detection circuit board and is close to the back of the metal plate; the front shell and the rear shell are connected to each other, the water level detection signal line, the temperature sensor and the detection circuit board are located between the front shell and the rear shell; pins are arranged on the left and right sides of the front shell or the rear shell, the fixing seat is in the shape of a cover with an open front end and a bottom, the front shell is embedded in the inner side of the fixing seat and slides with the fixing seat forward and backward, the left and right sides of the front shell are provided with forward and backward pointing slide grooves, the pins are inserted into the slide grooves and slide with the slide grooves forward and backward, and a reset spring is arranged between the rear surface of the rear shell and the fixing seat.

10. The glass pot heater according to claim 1, characterized in that: The cross section of the decorative ring is V-shaped.

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