Portable induction cooker

Abstract

The utility model discloses a portable induction cooker which comprises a shell, a panel, a shielding shell, an electromagnetic assembly, a control module and an energy storage module, the shell and the panel are connected to define a containing inner cavity, the shielding shell is arranged in the shell and located in the containing inner cavity, the shielding shell divides the containing inner cavity into an electromagnetic cavity and an energy storage cavity, the electromagnetic cavity corresponds to the panel, the electromagnetic assembly is arranged in the electromagnetic cavity, the control module and the energy storage module are arranged in the energy storage cavity, the control module is connected with the energy storage module and the electromagnetic assembly, the energy storage module supplies power to the electromagnetic assembly, the control module controls the electromagnetic assembly to operate, and the shielding shell can shield an alternating magnetic field to a large extent. The alternating magnetic field is prevented from acting on the energy storage module in the energy storage cavity and the control module, so that the output current of the energy storage module is stable, and the device is convenient to carry, stable and reliable in operation and high in use durability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical equipment, especially to a portable induction cooker. BACKGROUND

[0002] Outdoor camping is loved by more and more people, in the past, users usually need to carry gas stove to cook when camping and having a picnic, this method has unsafe factors, therefore, some users carry energy storage power supply device to power electrical appliances.

[0003] Therefore, the existing manufacturers develop an induction cooker with energy storage module, the energy storage module can store electric energy, and the energy storage module can power the operation of the induction cooker, but it is found in the development process that when the electromagnetic coil assembly of the induction cooker generates an alternating magnetic field for heating the pot, the current output of the energy storage module will be affected, and the current output is unstable and may even affect the service life of the energy storage module. SUMMARY

[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a portable induction cooker, which is convenient to carry, stable and reliable in operation, and has high service life.

[0005] According to the portable induction cooker of the first aspect of the utility model, the shell and the panel are connected to enclose a containing inner cavity; a shielding shell is arranged in the shell and located in the containing inner cavity, and the shielding shell divides the containing inner cavity into an electromagnetic cavity and an energy storage cavity, wherein the electromagnetic cavity corresponds to the panel; an electromagnetic assembly is arranged in the electromagnetic cavity; a control module and an energy storage module are arranged in the energy storage cavity, the control module is connected with the energy storage module and the electromagnetic assembly respectively, the energy storage module powers the electromagnetic assembly, and the control module controls the operation of the electromagnetic assembly.

[0006] The portable induction cooker of the utility model has at least the following beneficial effects:

[0007] In the use process of the utility model, the energy storage module powers the electromagnetic assembly, the control module controls the operation of the electromagnetic assembly, the electromagnetic assembly generates an alternating magnetic field to heat the pot placed on the panel, the shielding shell can shield the magnetic field to a large extent, and the alternating magnetic field is prevented from acting on the energy storage module and the control module in the energy storage cavity, so that the current output of the energy storage module is stable, the utility model is convenient to carry, stable and reliable in operation, and has high service life.

[0008] According to some embodiments of the present utility model, the electromagnetic cavity and the energy storage cavity are arranged in layers from top to bottom, and the electromagnetic cavity is located above the energy storage cavity to correspond to the panel.

[0009] According to some embodiments of the present utility model, the side wall of the shell is provided with a group of ventilation holes, the shell is provided with a heat dissipation fan corresponding to the group of ventilation holes, and the heat dissipation fan is partially directed towards the electromagnetic cavity and the heat dissipation fan is partially directed towards the energy storage cavity.

[0010] According to some embodiments of the present utility model, the inner wall of the shell is circumferentially provided with a plurality of receiving supports, the shielding shell is placed on each receiving support, and the electromagnetic assembly is placed on the shielding shell.

[0011] According to some embodiments of the present utility model, a first connecting hole is arranged on the electromagnetic assembly, a second connecting hole is arranged on the shielding shell, and a third connecting hole is arranged on the receiving support, a bolt passes through the first connecting hole, the second connecting hole and the third connecting hole to enable the electromagnetic assembly and the shielding shell to be arranged on the receiving support.

[0012] According to some embodiments of the present utility model, the control module includes a control module, a driving module and a synchronous detection module, the driving module is connected with the electromagnetic assembly to form at least part of a driving branch, the energy storage module is connected with the driving branch to supply power to the driving branch, the synchronous detection module is connected with both ends of the electromagnetic assembly to detect the operating frequency of the electromagnetic assembly, and the control module is connected with the synchronous detection module and the driving module.

[0013] According to some embodiments of the present utility model, the portable electromagnetic oven further includes an oven surface temperature detection module, the oven surface temperature detection module is arranged in the electromagnetic cavity to detect oven surface temperature information, and the control module is connected with the oven surface temperature detection module.

[0014] According to some embodiments of the present utility model, the portable electromagnetic oven further includes a driving temperature detection module, the driving temperature detection module is arranged in the energy storage cavity to detect driving temperature information of the driving module, and the control module is connected with the driving temperature detection module.

[0015] According to some embodiments of the utility model, portable electromagnetic oven still include first switch spare, second switch spare and charging detection module, be provided with charging socket on the casing, the energy storage module passes through first switch spare with driving branch connection, charging socket passes through second switch spare with energy storage module connection, charging detection module with charging socket connects to detect the charging signal of whether charging, control module is connected with charging detection module, first switch spare and second switch spare respectively to control first switch spare and second switch spare on -off action respectively.

[0016] According to some embodiments of the utility model, portable electromagnetic oven still include electric quantity detection module, electric quantity detection module with energy storage module connection to detect the energy storage of energy storage module, control module is connected with electric quantity detection module to control first switch spare and second switch spare on -off action respectively.

[0017] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the utility model will become apparent and more readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 It is the three-dimensional structure schematic diagram of one kind of embodiment of portable electromagnetic oven of the utility model;

[0020] Figure 2 It is control principle structure block diagram of one kind of embodiment of portable electromagnetic oven of the utility model;

[0021] Figure 3 It is the exploded view of one kind of embodiment of portable electromagnetic oven of the utility model;

[0022] Figure 4 It is the circuit schematic diagram of control module and electromagnetic subassembly of one kind of embodiment of portable electromagnetic oven of the utility model;

[0023] Figure 5 It is the charge-discharge circuit schematic diagram of energy storage module of one kind of embodiment of portable electromagnetic oven of the utility model;

[0024] Figure 6 It is the circuit schematic diagram of charging detection module of one kind of embodiment of portable electromagnetic oven of the utility model;

[0025] Figure 7 It is the circuit schematic diagram of electric quantity detection module of one kind of embodiment of portable electromagnetic oven of the utility model.

[0026] Reference signs:

[0027] Housing 110; panel 120; shielding shell 130; second connecting hole 131; electromagnetic assembly 140; first connecting hole 141; vent hole group 150; heat dissipation fan 160; receiving support 170; third connecting hole 171; control module 200; control module 210; drive module 220; push-pull unit 221; synchronization detection module 230; energy storage module 300; furnace surface temperature detection module 400; drive temperature detection module 500; first switch piece 610; second switch piece 620; charging detection module 630; power detection module 640; charging socket 650. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0029] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0030] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0031] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] As Figures 1 to 7 shown, according to the portable electromagnetic oven of the first aspect embodiment of the utility model, including casing 110, panel 120, shield shell 130, electromagnetic assembly 140, control module 200 and energy storage module 300, casing 110 and panel 120 are connected to enclose and accommodate inner chamber, shield shell 130 is arranged in the casing 110 and is located in the accommodating inner chamber, the shield shell 130 separates the accommodating inner chamber into electromagnetic cavity and energy storage cavity, wherein the electromagnetic cavity corresponds to the panel 120, electromagnetic assembly 140 is arranged in the electromagnetic cavity, control module 200 and energy storage module 300 are all arranged in the energy storage cavity, the control module 200 is connected with the energy storage module 300 and the electromagnetic assembly 140 respectively, the energy storage module 300 powers the electromagnetic assembly 140, and the control module 200 controls the electromagnetic assembly 140 to operate.

[0033] Among them, the casing 110 can be made of alloy material, the panel 120 can be made of tempered glass or silicon crystal material, the shield shell 130 can be made of silicon steel, carbon steel, nickel iron or the like, the energy storage module 300 can be selected in conventional storage battery, the electromagnetic assembly 140 can be an electromagnetic coil disc wound by copper wire, the control module 200 modulates input alternating current to make the electromagnetic assembly 140 generate alternating magnetic field, specifically, the shield shell 130 is provided with a plurality of threading holes, and the wire for connecting the control module 200 and the energy storage module 300 of the electromagnetic assembly 140 can pass through the threading holes, it can be understood that the shield shell 130 can reduce the influence of alternating magnetic field on the control module 200 and the energy storage module 300 as much as possible, but cannot completely eliminate.

[0034] The utility model discloses portable electromagnetic oven, in the use process, energy storage module 300 powers electromagnetic assembly 140, control module 210 controls electromagnetic assembly 140 to operate, and electromagnetic assembly 140 generates alternating magnetic field to make the pot on the panel 120 heat, and shield shell 130 can shield alternating magnetic field to a great extent, prevents alternating magnetic field from acting on energy storage module 300 and control module 200 in energy storage cavity, makes energy storage module 300 output current stable, and the design is convenient to carry, and stable and reliable operation, and the use durability is high.

[0035] In some embodiments of the utility model, the electromagnetic cavity and the energy storage cavity are arranged in layers from top to bottom, and the electromagnetic cavity is located above the energy storage cavity to correspond to the panel 120.

[0036] Since the panel 120 is located at the top of the shell 110 to facilitate carrying the pot body, the shielding shell 130 can be plate-shaped and arranged in parallel with the panel 120, thereby separating the electromagnetic cavity and the energy storage cavity arranged in layers.

[0037] In some embodiments of the utility model, as shown in Figure 1 The sidewall of the shell 110 is provided with a group of ventilation holes 150, the shell 110 is provided with a heat dissipation fan 160 corresponding to the group of ventilation holes 150, the heat dissipation fan 160 is locally directed towards the electromagnetic cavity and the heat dissipation fan 160 is locally directed towards the energy storage cavity.

[0038] After the electromagnetic oven is started, the heat dissipation fan 160 operates, since the electromagnetic cavity and the energy storage cavity are arranged in layers, the heat dissipation fan 160 is vertically placed on the inner sidewall of the shell 110, and one heat dissipation fan 160 can guide the air flow to blow towards the electromagnetic cavity and the energy storage cavity respectively, so that the structure is compact.

[0039] In some embodiments of the utility model, as shown in Figure 3 The inner wall of the shell 110 is provided with a plurality of receiving supports 170 around the circumference, the shielding shell 130 is placed on each receiving support 170, and the electromagnetic assembly 140 is placed on the shielding shell 130.

[0040] The plurality of receiving supports 170 support the bottom surface of the shielding shell 130, and then the electromagnetic assembly 140 is placed on the shielding shell 130, so that the shielding shell 130 and the electromagnetic assembly 140 are stably arranged and kept parallel to the panel 120.

[0041] In some embodiments of the utility model, in order to firmly arrange the shielding shell 130 and the electromagnetic assembly 140, as shown in Figure 3 The electromagnetic assembly 140 is provided with a first connecting hole 141, the shielding shell 130 is provided with a second connecting hole 131, and the receiving support 170 is provided with a third connecting hole 171, and a bolt passes through the first connecting hole 141, the second connecting hole 131 and the third connecting hole 171 to arrange the electromagnetic assembly 140 and the shielding shell 130 on the receiving support 170.

[0042] Specifically, the bearing support has three, each bearing support is provided with a first connecting hole 141, the second connecting hole 131 on the shielding shell 130 has three and the second connecting hole 131 corresponds to the first connecting hole 141 one by one, likewise, the third connecting hole 171 on the electromagnetic assembly 140 has three and the third connecting hole 171 corresponds to the first connecting hole 141 one by one, by means of bolt passing through the first connecting hole 141, the second connecting hole 131 and the third connecting hole 171, so that the bearing support, the shielding shell 130 and the electromagnetic assembly 140 are firmly bound, the structure is more stable and reliable, and the opening on the shielding shell 130 is as few as possible, and the shielding effect is improved.

[0043] In some embodiments of the utility model, as shown in Figure 2 、 4 The control module 210 is connected with the synchronous detection module 230 and the drive module 220.

[0044] The control module 210 includes a processor such as MCU or CPU and its attached circuit, the drive module 220 can include semiconductor switch tube Q2, push-pull unit 221 and switch tube IGBT1, the switch tube IGBT1 is connected with the electromagnetic assembly 140 to constitute at least partial drive branch, the switch tube Q2 can be triode or MOS tube, the control module 210 is connected with the controlled end of switch tube Q2, the input end of switch tube Q2 is connected with the input end of push-pull unit 221 and power supply respectively, the output end of switch tube Q2 is grounded, and the output end of push-pull unit 221 is connected with the controlled end of switch tube IGBT1.

[0045] The push-pull unit 221 can include switch tube Q1 and switch tube Q3, the switch tube Q1 is NPN transistor, and the switch tube Q3 is PNP transistor, the push-pull unit 221 can provide higher output power and more stable output, and provide higher driving capacity for driving switch tube IGBT1.

[0046] The synchronous detection module 230 can include two resistance voltage division branches, one of which is connected to the head end of the electromagnetic assembly 140, and the other of which is connected to the tail end of the electromagnetic assembly 140, and the two resistance voltage division branches acquire current signals at both ends of the electromagnetic assembly 140, the control module 210 analyzes the current signals at both ends, thereby obtaining the operating frequency of the electromagnetic assembly 140, judging the load size, and knowing from the load size whether a pot is placed on the panel 120, if a pot is placed on the panel 120, the control module 210 continues to control the driving module 220 to drive the electromagnetic assembly 140 to operate, and if no pot is placed on the panel 120, the control module 210 controls the driving module 220 to stop outputting.

[0047] In some embodiments of the utility model, as shown in Figure 2 、 7 The portable electromagnetic oven further comprises a stove surface temperature detection module 400, the stove surface temperature detection module 400 is arranged in the electromagnetic cavity to detect stove surface temperature information, and the control module 210 is connected with the stove surface temperature detection module 400.

[0048] The stove surface temperature detection module 400 can be a temperature sensor arranged at a position close to the panel 120 of the electromagnetic cavity, the temperature sensor detects the stove surface temperature information at the position of the panel 120 and outputs the stove surface temperature information to the control module 210, and the control module 210 changes the operating frequency of the alternating current applied to the electromagnetic assembly 140 by controlling the driving module 220 to operate, thereby changing the output power.

[0049] In some embodiments of the utility model, as shown in Figure 2 、 6 The portable electromagnetic oven further comprises a driving temperature detection module 500, the driving temperature detection module 500 is arranged in the energy storage cavity to detect driving temperature information of the driving module 220, and the control module 210 is connected with the driving temperature detection module 500.

[0050] The driving temperature detection module 500 can be a temperature-sensitive resistor RT1 or a thermocouple arranged close to the driving module 220, the driving temperature detection module 500 outputs the driving temperature information to the control module 210 after detecting the driving temperature information, the driving temperature information indicates that the driving module 220 is overheated, and then, in order to be safe, the control module 210 controls the driving module 220 to stop operating and outputs alarm information to inform the user to overhaul.

[0051] In some embodiments of the utility model, portable electromagnetic oven still includes first switch spare 610, second switch spare 620 and charging detection module 630, be provided with charging socket 650 on the casing 110, the energy storage module 300 is connected with the drive branch through first switch spare 610, charging socket 650 is connected with energy storage module 300 through second switch spare 620, charging detection module 630 is connected with charging socket 650 to detect the charging signal of representation whether charging, control module 210 is connected with charging detection module 630, first switch spare 610 and second switch spare 620 respectively to control first switch spare 610 and second switch spare 620 on-off action respectively.

[0052] Wherein, first switch spare 610 and second switch spare 620 can be relay switch, semiconductor switch etc., charging detection module 630 is used to detect whether there is external power supply access charging socket 650, when there is external power supply access charging socket 650, control module 210 controls second switch spare 620 to close according to charging signal, simultaneously control first switch spare 610 to open, thereby improve the use durability of energy storage module 300.

[0053] Specifically, charging detection module 630 can include semiconductor switch tube Q5, resistance R6, resistance R7 and resistance R8, one end of resistance R7 is connected with charging socket 650, the other end of resistance R7 is connected with one end of resistance R8 and the controlled end of switch tube Q5 respectively, the other end of resistance R8 and the output end of switch tube Q5 are grounded, the input end of switch tube Q5 is connected with one end of resistance R6 and control module 210 respectively, the other end of resistance R6 is connected with power supply.

[0054] In some embodiments of the utility model, portable electromagnetic oven still includes electric quantity detection module 640, electric quantity detection module 640 is connected with energy storage module 300 to detect the storage capacity of energy storage module 300, control module 210 is connected with electric quantity detection module 640 to control first switch spare 610 and second switch spare 620 on-off action respectively.

[0055] Electric quantity detection module 640 can adopt resistance type voltage division circuit, and electric quantity detection module 640 800 detects the energy storage voltage of energy storage module 300 to reflect the storage capacity, when the storage capacity is close to or reaches full load, control module 210 controls second switch spare 620 to open, thereby prevent overcharging.

[0056] The technical features of the above-described embodiments can be combined in any manner, to make the description concise, not all possible combinations of technical features in the above-described embodiments are described, however, as long as the combination of these technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0057] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A portable electromagnetic oven, characterized by comprising: The application relates to a kind of electromagnetic induction cooking device, including: Shell and panel, shell and panel are connected to enclose accommodating inner cavity; Shielding shell is arranged in the shell and is located in the accommodating inner cavity, the shielding shell separates the accommodating inner cavity into electromagnetic cavity and energy storage cavity, wherein the electromagnetic cavity corresponds to the panel; Electromagnetic assembly is arranged in the electromagnetic cavity; Control module and energy storage module are arranged in the energy storage cavity, the control module is connected with the energy storage module and the electromagnetic assembly respectively, the energy storage module supplies power for the electromagnetic assembly, and the control module controls the electromagnetic assembly to operate.

2. The portable electromagnetic oven according to claim 1, characterized in that: The electromagnetic cavity and the energy storage cavity are arranged in layers, and the electromagnetic cavity is located above the energy storage cavity to correspond to the panel.

3. The portable electromagnetic oven according to claim 2, characterized in that: The side wall of the shell is provided with a group of ventilation holes, and the shell is provided with a cooling fan corresponding to the group of ventilation holes, the cooling fan is partially directed to the electromagnetic cavity, and the cooling fan is partially directed to the energy storage cavity.

4. The portable electromagnetic oven according to claim 2, characterized in that: The inner wall of the shell is circumferentially provided with a plurality of receiving supports, the shielding shell is placed on each receiving support, and the electromagnetic assembly is placed on the shielding shell.

5. The portable electromagnetic oven according to claim 4, characterized in that: The electromagnetic assembly is provided with a first connecting hole, the shielding shell is provided with a second connecting hole, and the receiving support is provided with a third connecting hole, a bolt passes through the first connecting hole, the second connecting hole and the third connecting hole to arrange the electromagnetic assembly and the shielding shell on the receiving support.

6. The portable electromagnetic oven according to claim 1, characterized in that: The control module includes a control module, a driving module and a synchronous detection module, the driving module is connected with the electromagnetic assembly to form at least part of a driving branch, the energy storage module is connected with the driving branch to supply power for the driving branch, the synchronous detection module is connected with both ends of the electromagnetic assembly to detect the operating frequency of the electromagnetic assembly, and the control module is connected with the synchronous detection module and the driving module.

7. The portable electromagnetic oven according to claim 6, wherein It also includes a furnace surface temperature detection module arranged in the electromagnetic cavity to detect furnace surface temperature information, and the control module is connected with the furnace surface temperature detection module.

8. The portable electromagnetic oven according to claim 6, wherein It also includes a driving temperature detection module arranged in the energy storage cavity to detect driving temperature information of the driving module, and the control module is connected with the driving temperature detection module.

9. The portable electromagnetic oven according to claim 6, wherein It also includes a first switch, a second switch and a charging detection module, the shell is provided with a charging socket, the energy storage module is connected with the driving branch through the first switch, the charging socket is connected with the energy storage module through the second switch, the charging detection module is connected with the charging socket to detect a charging signal representing whether charging, and the control module is connected with the charging detection module, the first switch and the second switch to control the on-off action of the first switch and the second switch respectively.

10. The portable electromagnetic oven according to claim 9, wherein It also includes an electric quantity detection module connected with the energy storage module to detect the storage capacity of the energy storage module, and the control module is connected with the electric quantity detection module to control the on-off action of the first switch and the second switch respectively.

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