Portable electric heating furnace

Abstract

The utility model discloses a portable electrothermal furnace, which comprises a shell, a heat conduction panel, a heating element, a control module, an energy storage module, an inclination detection module and a control module, and is characterized in that the shell and the heat conduction panel are connected to form an accommodating inner cavity, the heating element is arranged in the accommodating inner cavity, and the heating element can heat to transfer heat to the heat conduction panel; the control module is arranged in the shell, the energy storage module is used for storing electric energy and is arranged in the containing inner cavity, the inclination detection module is arranged in the shell and detects the placing flatness of the shell to form a corresponding inclination signal, and the control module is arranged in the shell and is used for controlling the inclination signal. The control module is connected with the control module, the inclination detection module, the energy storage module and the heating piece, when the electric heating furnace is obliquely placed, the control module does not allow the energy storage module to supply power to the heating piece to enable the heating piece to heat, and the electric heating furnace is convenient to carry and safe and reliable to use.

Description

TECHNICAL FIELD

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

[0002] Outdoor camping has become one of the activities that more people like. In the past, users usually need to carry gas stoves to cook when camping and having a picnic, and this method has unsafe factors. Therefore, some users carry energy storage power supply devices to power electrical appliances.

[0003] Therefore, an electric heating furnace with an energy storage module is provided by the existing manufacturer, which does not need an external power supply and can be powered by the energy storage module. However, since the heating element on the electric heating furnace heats up as soon as it is powered, there is a risk of damage to nearby objects if the user or an object accidentally touches the electric heating furnace switch during transportation or carrying. 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 electric heating furnace, which is convenient to carry and safe and reliable to use.

[0005] According to the portable electric heating furnace of the first aspect of the utility model, the shell and the heat-conducting panel are connected to form a containing cavity, the heating element is arranged in the containing cavity and can heat to transfer heat to the heat-conducting panel, the control module is arranged in the shell, the energy storage module is arranged in the containing cavity and is used for storing electric energy, the inclination detection module is arranged in the shell and detects the flatness of the shell to form a corresponding inclination signal, and the control module is connected with the control module, the inclination detection module, the energy storage module and the heating element.

[0006] According to the portable electric heating furnace of the utility model, at least the following advantages are achieved

[0007] Advantages:

[0008] The utility model discloses portable electric heating furnace, when user carries or transports electric heating furnace, electric heating furnace mostly is vertical or inclined and is placed, and the inclination detection module can detect the placing flatness of the shell to reflect that the shell is in the inclination through the inclination signal formed, at this moment, even if the control module is mistaken, the control module still does not allow the energy storage module to supply power to the heating element to make the heating element heat, under normal use, the user will place electric heating furnace, and the inclination signal formed by the inclination detection module reflects that the shell is normally placed, at this moment, the user operates the control module, and the control module can control the heating element to start running according to the control instruction output by the control module, and the design is convenient to carry, and safe and reliable is used.

[0009] According to some embodiments of the utility model, the control module includes a switch button arranged on the shell, and the switch button is connected with the control module.

[0010] According to some embodiments of the utility model, the control module includes a control module, a first switch and a driving module, the driving module is connected with the heating element to form at least part of a driving branch, the energy storage module is connected with the driving branch through the first switch, and the control module is connected with the control module, the inclination detection module, a controlled end of the first switch and a controlled end of the driving module respectively.

[0011] According to some embodiments of the utility model, the portable electric heating furnace further includes a charging socket and a second switch, the charging socket is arranged on the shell, the charging socket is connected with the energy storage module through the second switch, and the control module is connected with a controlled end of the second switch.

[0012] According to some embodiments of the utility model, the portable electric heating furnace further includes a charging detection module, 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 to control on-off actions of the first switch and the second switch respectively.

[0013] According to some embodiments of the utility model, the charging detection module includes a semiconductor switch Q5, a resistor R6, a resistor R7 and a resistor R8, one end of the resistor R7 is connected with the charging socket, the other end of the resistor R7 is connected with one end of the resistor R8 and a controlled end of the switch Q5 respectively, the other end of the resistor R8 and an output end of the switch Q5 are grounded, an input end of the switch Q5 is connected with one end of the resistor R6 and the control module respectively, and the other end of the resistor R6 is connected with a power supply.

[0014] According to some embodiments of the utility model, portable electric heating furnace still include electric quantity detection module, electric quantity detection module with the energy storage module connects to detect the energy storage module's storage capacity, control module with electric quantity detection module connects to control first switch spare and second switch spare on -off action respectively.

[0015] According to some embodiments of the utility model, drive module includes semiconductor switch tube Q2, push -pull unit and semiconductor switch tube Q4 of the switch tube Q2's controlled end is connected with control module, the input end of switch tube Q2 is connected with the input end of push -pull unit, the output end of switch tube Q2 is grounded, the output end of push -pull unit is connected with the controlled end of switch tube Q4, switch tube Q4 is connected in series with heating element to constitute at least partial drive branch.

[0016] According to some embodiments of the utility model, heating element includes resistance heating film, resistance heating film is attached in the surface of the heat conduction panel near the accommodation inner chamber.

[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 appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0019] Figure 1 It is control principle block diagram of one of the embodiments of the utility model electric heating furnace;

[0020] Figure 2 It is the three-dimensional structure schematic diagram of one of the embodiments of the utility model electric heating furnace;

[0021] Figure 3 It is drive module's circuit schematic diagram of one of the embodiments of the utility model electric heating furnace;

[0022] Figure 4 It is the charging and discharging circuit schematic diagram of one of the embodiments of the utility model electric heating furnace energy storage module;

[0023] Figure 5 It is the circuit schematic diagram of one of the embodiments of the utility model electric heating furnace charging detection module;

[0024] Figure 6 It is the circuit schematic diagram of one of the embodiments of the utility model electric heating furnace electric quantity detection module.

[0025] REFERENCE NUMERALS:

[0026] The shell 110; the heat conduction panel 120; the heating element 200; the control module 300; the energy storage module 400; the charging socket 410; the second switch element 420; the inclination detection module 500; the control module 600; the control module 610; the first switch element 620; the driving module 630; the push-pull unit 631; the charging detection module 700; the power detection module 800. DETAILED DESCRIPTION

[0027] 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 referring 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.

[0028] 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 "upper", "lower", "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 a limitation of the present application.

[0029] 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.

[0030] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or 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.

[0031] As Figures 1 to 6As shown, according to the portable electric heating furnace of the first aspect of the utility model, including shell 110, heat conduction panel 120, heating element 200, control module 300, energy storage module 400, inclination detection module 500 and control module 600, the shell 110 and the heat conduction panel 120 are connected to constitute the accommodation inner chamber, the heating element 200 is arranged in the accommodation inner chamber, the heating element 200 can heat to transmit heat to heat conduction panel 120, control module 300 is arranged in the shell 110, energy storage module 400 is used for storing electric energy, the energy storage module 400 is arranged in the accommodation inner chamber, inclination detection module 500 is arranged in the shell 110, the inclination detection module 500 detects the placing flatness of the shell 110 to form corresponding inclination signal, control module 600 is arranged in the shell 110, and the control module 600 is connected with control module 300, inclination detection module 500, energy storage module 400 and heating element 200 respectively.

[0032] Wherein, the electric heating furnace formed by the shell 110 and the heat conduction panel 120 can be cylindrical, cuboid, etc., the shell 110 can be composed of alloy material with poor heat conduction and conductivity, the heat conduction panel 120 can be composed of alloy material or silicon crystal material with good heat conduction performance, the pot body can be placed on the heat conduction panel 120, and the heat emitted by the heating element 200 can be conducted to the pot body through the heat conduction panel 120.

[0033] The energy storage module 400 can be selected in a conventional storage battery, the inclination detection module 500 can be an inclination switch, a gyroscope, an angle sensor, etc., the inclination detection module 500 can output a level signal when the shell 110 is inclined or can also output a level signal when the shell 110 is placed horizontally, and the control module 600 judges the placement state of the shell 110 according to whether the level signal output by the inclination detection module 500 is received.

[0034] In some embodiments of the utility model, the heating element 200 includes a resistance heating film, and the resistance heating film is attached to the surface of the heat conduction panel 120 close to the accommodation inner chamber, wherein the resistance heating film can include a PC material film piece coated with an electric heating wire, the electric heating wire is heated by electricity, and the heat can be transmitted to the heat conduction panel 120 through the PC material film piece.

[0035] In some embodiments of the utility model, the heating element 200 can also be a semiconductor heating sheet, a resistance heating rod, a resistance heating disc, etc.

[0036] The utility model discloses portable electric heating furnace, when user carries or transports electric heating furnace, electric heating furnace mostly is vertical or inclined and is placed, and the inclination detection module 500 can detect the placing flatness of the shell 110 to reflect that the shell 110 is in the inclination through the inclination signal formed, at this moment, even if the control module 300 is mistaken, the control module 610 still does not allow the energy storage module 400 to supply power to the heating element 200 to make the heating element 200 heat, under normal use, user will place electric heating furnace, and the inclination signal formed by the inclination detection module 500 reflects that the shell 110 is normally placed, at this moment, user operates the control module 300, and the control module 610 can control the heating element 200 to start running according to the control instruction output by the control module 300, and the design is convenient to carry, and safe and reliable in use.

[0037] In some embodiments of the utility model, as shown in Figure 2 The control module 300 includes a switch button arranged on the shell 110.

[0038] The switch button can be a conventional single-pole double-throw switch. User can form a control instruction for starting or stopping the heating element 200 by pressing the switch button. The switch button is arranged on the surface of the shell 110, which is convenient to use, but there is a risk of mistaken triggering. Therefore, by arranging the inclination detection module 500, the heating element 200 can be started by the switch button only when the electric heating furnace is normally placed, thereby improving the safety performance.

[0039] In some embodiments of the utility model, the control module 600 includes a control module 610, a first switch 620 and a drive module 630. The drive module 630 is connected to the heating element 200 to form at least part of a drive branch. The energy storage module 400 is connected to the drive branch through the first switch 620. The control module 610 is connected to the control module 300, the inclination detection module 500, the controlled end of the first switch 620 and the controlled end of the drive module 630.

[0040] The control module 610 can include an MCU or CPU processor and its associated circuit. The first switch 620 can be a relay switch or a semiconductor switch. Specifically, it can be a triode, MOS tube, etc. When the inclination signal reflects that the shell 110 is placed normally and the control module 300 outputs a starting control instruction, the control module 610 will control the first switch 620 to close, so that the energy storage module 400 supplies power to the drive branch. At the same time, the control module 610 controls the drive module 630 to run, changes the current through the heating element 200 and adjusts the heating power of the heating element 200.

[0041] Specifically, the driving module 630 comprises a semiconductor switch Q2, a push-pull unit 631 and a semiconductor switch Q4, the controlled end of the switch Q2 is connected with the control module 610, the input end of the switch Q2 is connected with the input end of the push-pull unit 631, the output end of the switch Q2 is grounded, the output end of the push-pull unit 631 is connected with the controlled end of the switch Q4, and the switch Q4 is connected with the heat-generating element 200 in series to form at least part of a driving branch.

[0042] Specifically, the positive pole of the energy storage module 400 is connected with the input end of the heat-generating element 200, the output end of the heat-generating element 200 is connected with the input end of the switch Q4, the output end of the switch Q4 is connected with one end of the first switch 620, and the other end of the first switch 620 is connected with the negative pole of the energy storage module 400.

[0043] Wherein, the switch Q4 can be a MOS tube or an IGBT, the switch Q2 can be a triode, the push-pull unit 631 can comprise a switch Q1 and a switch Q3, the switch Q1 is an NPN transistor, the switch Q3 is a PNP transistor, the push-pull unit 631 can provide higher output power and more stable output, and provide higher driving capacity for the driving switch Q4.

[0044] In some embodiments of the utility model, as shown in Figure 2 , 3 As shown in the figure, the portable electric heating furnace further comprises a charging socket 410 and a second switch 420, the charging socket 410 is arranged on the shell 110, the charging socket 410 is connected with the energy storage module 400 through the second switch 420, and the control module 610 is connected with the controlled end of the second switch 420.

[0045] The charging socket 410 can be a three-pin socket, a two-pin socket, a USB socket and the like, and an external power supply can be modulated in voltage and current through an adapter, the adapter is connected with the charging socket 410 through a wire and a charging plug, and then charges the energy storage module 400.

[0046] During the charging process, the control module 610 can control the second switch 420 to be closed, and simultaneously control the first switch 620 to be disconnected, and after the charging is completed, the second switch 420 is controlled to be disconnected, and the first switch 620 is allowed to be closed.

[0047] In some embodiments of the utility model, as shown in Figure 5As shown, the portable electric heating furnace further comprises a charging detection module 700 connected with the charging socket 410 to detect a charging signal representing whether charging is performed, and the control module 610 is connected with the charging detection module 700 to control the first switch 620 and the second switch 420 to be turned on and turned off respectively.

[0048] The charging detection module 700 is used to detect whether an external power supply is connected to the charging socket 410, and when the external power supply is connected to the charging socket 410, the control module 610 controls the second switch 420 to be closed according to the charging signal, and controls the first switch 620 to be turned off at the same time.

[0049] Specifically, the charging detection module 700 comprises a semiconductor switch tube Q5, a resistor R6, a resistor R7 and a resistor R8, one end of the resistor R7 is connected with the charging socket 410, the other end of the resistor R7 is connected with one end of the resistor R8 and a controlled end of the switch tube Q5 respectively, the other end of the resistor R8 and an output end of the switch tube Q5 are grounded, an input end of the switch tube Q5 is connected with one end of the resistor R6 and the control module 610 respectively, and the other end of the resistor R6 is connected with a power supply.

[0050] Wherein, the switch tube Q5 can be an NPN transistor, when the external power supply is connected to the charging socket 410, the switch tube Q5 is turned on to form a charging signal input control module 610.

[0051] In some embodiments of the utility model, as shown in the figure, Figure 6 As shown, the portable electric heating furnace further comprises an electric quantity detection module 800 connected with the energy storage module 400 to detect the storage electric quantity of the energy storage module 400, and the control module 610 is connected with the electric quantity detection module 800 to control the first switch 620 and the second switch 420 to be turned on and turned off respectively.

[0052] The electric quantity detection module 800 can adopt a resistor type voltage dividing circuit, the electric quantity detection module 800 detects the energy storage voltage of the energy storage module 400 to reflect the storage electric quantity, when the storage electric quantity is close to or reaches full load, the control module 610 controls the second switch 420 to be turned off, thereby preventing overcharging.

[0053] The technical features of the above-mentioned embodiments can be combined arbitrarily, in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0054] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A portable electric heating stove, characterized in that, The application relates to a heating device, which comprises the following parts: a shell and a heat-conducting panel, which are connected to form a containing cavity; a heating element arranged in the containing cavity, which can generate heat to transfer heat to the heat-conducting panel; a control module arranged in the shell; an energy storage module for storing electric energy, which is arranged in the containing cavity; an inclination detection module arranged in the shell, which detects the flatness of the shell to form a corresponding inclination signal; and a control module arranged in the shell, which is connected with the control module, the inclination detection module, the energy storage module and the heating element. The control module comprises a switch arranged in the shell, which is connected with the control module. The control module comprises a control module, a first switch and a driving module, the driving module and the heating element are connected to form at least part of a driving branch, the energy storage module is connected with the driving branch through the first switch, the control module is connected with the control module, the inclination detection module, the controlled end of the first switch and the controlled end of the driving module. The application further comprises a charging socket arranged in the shell, the charging socket is connected with the energy storage module through a second switch, and the control module is connected with the controlled end of the second switch. The application further comprises a charging detection module connected with the charging socket to detect a charging signal representing whether charging is performed, and the control module is connected with the charging detection module to control the on-off actions of the first switch and the second switch. The charging detection module comprises a semiconductor switch Q5, resistors R6, R7 and R8, one end of the resistor R7 is connected with the charging socket, the other end of the resistor R7 is connected with one end of the resistor R8 and the controlled end of the semiconductor switch Q5, the other end of the resistor R8 and the output end of the semiconductor switch Q5 are grounded, the input end of the semiconductor switch Q5 is connected with one end of the resistor R6 and the control module, and the other end of the resistor R6 is connected with a power supply. The application further comprises an electric quantity detection module connected with the energy storage module to detect the electric quantity stored in the energy storage module, and the control module is connected with the electric quantity detection module to control the on-off actions of the first switch and the second switch.

2. A portable electric heating furnace according to claim 1, characterized in that: The driving module comprises a semiconductor switch Q2, a push-pull unit and a semiconductor switch Q4, the controlled end of the semiconductor switch Q2 is connected with the control module, the input end of the semiconductor switch Q2 is connected with the input end of the push-pull unit, the output end of the semiconductor switch Q2 is grounded, the output end of the push-pull unit is connected with the controlled end of the semiconductor switch Q4, and the semiconductor switch Q4 is connected with the heating element in series to form at least part of a driving branch.

3. The portable electric heating furnace according to claim 1, characterized in that: The heating element comprises a resistance heating film, which is attached to the surface of the heat-conducting panel close to the containing cavity.

4. A portable electric heating furnace according to claim 3, wherein ​ 5. A portable electric stove according to claim 4, wherein ​ 6. A portable electric stove according to claim 5, wherein ​ 7. The portable electric heating furnace according to claim 4, wherein ​ 8. The portable electric heating furnace according to claim 3, wherein ​ 9. The portable electric heater of claim 1, wherein, ​

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