Stove

Abstract

The stove comprises an electromagnetic valve, a combustor, a gas pipeline and a controller, the electromagnetic valve comprises a valve body, an iron core and a magnetic attraction assembly, the valve body is provided with a ventilation channel, and the two ends of the ventilation channel are communicated with the combustor and the gas pipeline respectively. The iron core is arranged in the ventilation channel and is opposite to the magnetic attraction assembly; the magnetic attraction assembly is electrically connected with the controller, and the controller is used for applying voltage to the magnetic attraction assembly so that the magnetic attraction assembly can drive the iron core to move, and the opening degree of the ventilation channel can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, in particular to a stove. Background Art

[0002] In recent years, with the development of economy and the continuous progress of science and technology, the pursuit of quality of life has gradually improved. Basically, every household can use a stove, which can be used to stew food, cook soup or boil water. However, the existing stoves are not intelligent enough. The fire power of the stove is generally adjusted by turning the knob, which drives the valve stem to rotate, and the valve stem of the plug valve drives the valve core to rotate, so that the relative cross-sectional area of ​​the valve core hole and the plug valve outlet hole changes, and then the gas volume also changes, thereby playing a role in adjusting the fire power. Utility Model Content

[0003] The utility model provides a stove, and in particular provides a new firepower adjustment method for the stove.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] A stove, comprising a solenoid valve, a burner, a gas pipeline and a controller, wherein the solenoid valve comprises a valve body, an iron core and a magnetic attraction component, wherein the valve body is provided with a θ at two ends respectively connected with the burner and the gas pipeline, and the iron core is arranged in the ventilation channel and opposite to the magnetic attraction component;

[0006] The magnetic attraction component is electrically connected to the controller, and the controller is used to apply voltage to the magnetic attraction component so that the magnetic attraction component drives the iron core to move and adjust the opening of the ventilation channel.

[0007] Optionally, the solenoid valve further comprises a nozzle provided with a through hole, the ventilation channel comprises a first channel and a second channel, the first channel and the second channel are connected through the nozzle; the first channel is used to connect the burner, and the second channel is used to connect the gas pipeline;

[0008] The iron core and the magnetic attraction component are arranged opposite to each other along the radial direction of the nozzle;

[0009] The magnetic attraction component drives the iron core to move in the through hole to adjust the opening of the ventilation channel.

[0010] Optionally, along the direction of the magnetic attraction component, the cross-sectional area of ​​the through hole increases monotonically.

[0011] Optionally, the solenoid valve further includes:

[0012] An elastic component; the elastic component comprises a first limiter and a spring, the first limiter is located between the nozzle and the second limiter of the magnetic attraction component, and the first limiter is fixed on the second limiter, the two ends of the spring are respectively against the first limiter and the second limiter, and the spring is sleeved on the iron core;

[0013] and / or, a first sealing member; the first passage is connected to the nozzle through the first sealing member;

[0014] and / or, a second sealing member; the second passage is connected to the nozzle through the second sealing member.

[0015] Optionally, the stove further comprises a temperature probe, which is arranged at the center of the burner; the temperature probe is electrically connected to the controller.

[0016] Optionally, the temperature probe is a double-layer probe.

[0017] Optionally, the temperature probe is provided with heat insulating material.

[0018] Optionally, the burner includes a fire cover assembly and a flow equalizing plate;

[0019] The fire cover assembly is arranged on the flow equalizing plate.

[0020] Optionally, the fire cover assembly comprises an upper fire cover and a lower fire cover which are arranged opposite to each other, an annular gap is formed between the upper fire cover and the lower fire cover, and a C-shaped air outlet groove is provided on the upper fire cover.

[0021] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0022] The positive progressive effect of the utility model is that the utility model provides some new methods for adjusting the firepower of stoves. Based on the magnetic attraction principle, voltage is applied to the magnetic attraction component of the solenoid valve so that the magnetic attraction component drives the iron core to move, thereby adjusting the opening of the ventilation channel, and then adjusting the firepower of the stove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of a partial module of a stove provided by an exemplary embodiment of the utility model;

[0024] Figure 2 A schematic structural diagram of a stove provided by an exemplary embodiment of the utility model;

[0025] Figure 3 A cross-sectional view of a first state of a solenoid valve included in a cooker provided by an exemplary embodiment of the utility model;

[0026] Figure 4 A cross-sectional view of a solenoid valve included in a cooker in a second state provided by an exemplary embodiment of the utility model;

[0027] Figure 5 A cross-sectional view of a solenoid valve included in a cooker in a third state provided by an exemplary embodiment of the utility model;

[0028] Figure 6 An exemplary embodiment of the present invention is provided Figure 3 A schematic diagram of the local enlarged structure of the middle A area;

[0029] Figure 7 A schematic diagram of the structure of an igniter included in a stove provided as an exemplary embodiment of the utility model;

[0030] Figure 8 A schematic diagram of the effect of a flow equalizing plate included in a cooker provided by an exemplary embodiment of the utility model;

[0031] Fig. 9 A schematic structural diagram of an angle detection valve body included in a cooker provided by an exemplary embodiment of the utility model;

[0032] Fig.10 An equivalent circuit diagram of an angle detection valve body included in a cooker provided by an exemplary embodiment of the utility model. DETAILED DESCRIPTION

[0033] The present invention is further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.

[0034] See also Figure 1 and 2 The cooker includes a solenoid valve 11, a burner 12, a controller 13 and a gas pipeline 14. The solenoid valve 11 includes a valve body 111, an iron core 112 and a magnetic attraction component 113. The valve body 111 is provided with an air passage whose two ends are respectively connected to the burner 12 and the gas pipeline 14. The iron core 112 is arranged in the air passage and is arranged opposite to the magnetic attraction component 113.

[0035] The magnetic component 113 is electrically connected to the controller 13 , and the controller 13 is used to apply voltage to the magnetic component 113 so that the magnetic component 113 drives the iron core 112 to move and adjust the opening of the ventilation channel.

[0036] The voltage applied to the magnetic component 113 is related to the opening of the ventilation channel. By adjusting the voltage applied to the magnetic component 113, the suction force between the magnetic component 113 and the iron core 112 can be adjusted, thereby achieving the purpose of adjusting the opening of the ventilation channel. The opening of the ventilation channel is positively correlated with the gas supply.

[0037] It can be understood that, based on the magnetic attraction principle, the amplitude of the voltage applied to the magnetic attraction component 113 may be negatively correlated or positively correlated with the opening of the ventilation channel.

[0038] If the amplitude of the voltage applied to the magnetic component 113 is negatively correlated with the opening of the ventilation channel, that is, the smaller the amplitude of the voltage applied to the magnetic component 113, the larger the opening of the ventilation channel, the more gas is supplied, and the greater the firepower; the larger the amplitude of the voltage applied to the magnetic component 113, the smaller the opening of the ventilation channel, the less gas is supplied, and the smaller the firepower.

[0039] If the amplitude of the voltage applied to the magnetic component 113 is positively correlated with the opening of the ventilation channel, that is, the larger the amplitude of the voltage applied to the magnetic component 113, the larger the opening of the ventilation channel, and the more gas is supplied; the smaller the amplitude of the voltage applied to the magnetic component 113, the smaller the opening of the ventilation channel, and the less gas is supplied.

[0040] In one embodiment, in an automatic cooking scenario, the controller 13 adjusts the amplitude of the voltage applied to the magnetic component 113 based on the amount of gas required to reproduce the recipe, so as to achieve precise recipe reproduction control.

[0041] In one embodiment, the controller 13 obtains the current rotation angle of the fire power adjustment knob on the stove, and based on the corresponding relationship between the rotation angle and the gas volume (or the voltage amplitude), determines the gas volume (or voltage amplitude) that matches the current rotation angle, and then adjusts the amplitude of the voltage applied to the magnetic suction component 113.

[0042] In one embodiment, the solenoid valve 11 further includes a nozzle 114 provided with a through hole, and the ventilation channel includes a first channel 111a and a second channel 111b, and the first channel and the second channel are connected through the nozzle 114; the first channel is used to connect the burner 12, and the second channel is used to connect the gas pipeline 14. The iron core 112 and the magnetic attraction component 113 are arranged opposite to each other along the radial direction of the nozzle 114; the magnetic attraction component 113 drives the iron core 112 to move in the through hole to adjust the opening of the ventilation channel.

[0043] In one embodiment, the solenoid valve 11 further includes an elastic component. Figure 6The elastic component includes a first limiter 151 and a spring 152. The first limiter 151 is located between the nozzle 114 and the second limiter 113a of the magnetic component 113, and the first limiter 151 is fixed on the second limiter 113a. The two ends of the spring are respectively against the first limiter 151 and the second limiter 113a, and the spring 152 is sleeved on the iron core 112. The elastic component can adjust the height of the nozzle 114 plug. When the solenoid valve 11 is not working, the iron core 112 is supported by the spring elastic force, so that the iron core 112 has a certain height from the upper end surface of the nozzle 114 to ensure the flow of gas.

[0044] In one embodiment, the solenoid valve 11 further includes a first sealing member. The first passage is connected to the nozzle 114 through the first sealing member. The first sealing member can be, but is not limited to, a sealing ring or a sealing gasket, which is used to seal the assembly gap between parts to prevent gas leakage.

[0045] In one embodiment, the solenoid valve 11 further includes a second sealing member. The second passage is connected to the nozzle 114 through the second sealing member. The second sealing member may be, but is not limited to, a sealing ring or a sealing gasket, which is used to seal the assembly gap between parts to prevent gas leakage.

[0046] In one embodiment, the cross-sectional area of ​​the through hole increases monotonically along the direction of the magnetic attraction component 113. Therefore, when the iron core 112 moves toward the magnetic attraction component 113, the greater the moving distance, the smaller the distance between the iron core 112 and the inner wall surface of the through hole, thereby adjusting the opening of the ventilation channel.

[0047] In one embodiment, the cross-sectional area of ​​the iron core 112 increases monotonically along the direction of the magnetic attraction component 113. Therefore, when the iron core 112 moves toward the magnetic attraction component 113, the greater the moving distance, the smaller the distance between the iron core 112 and the inner wall surface of the through hole, thereby adjusting the opening of the ventilation channel.

[0048] Combine the following Figure 3-5 , taking the example that the amplitude of the voltage applied to the magnetic attraction component 113 is negatively correlated with the opening of the ventilation channel, the working principle of the stove is explained.

[0049] See also Figure 3 When the controller 13 stops applying voltage to the magnetic component 113, the iron core 112 is attracted to the magnetic component 113, there is no cutoff at the nozzle 114, the gas channel is fully open, and the opening of the ventilation channel is θ1. At this time, the stove can burn at the maximum firepower. Figure 3 The direction of the arrow.

[0050] See also Figure 4When the controller 13 applies voltage U1 to the magnetic component 113, a repulsive force F1 is generated between the magnetic component 113 and the iron core 112, causing the iron core 112 to move down by X1. Part of the iron core 112 is embedded in the through hole of the nozzle 114, and the opening of the ventilation channel is θ2. The nozzle 114 produces a cutoff flow, but there is still an annular gap for gas to flow. At this time, the gas flow rate is reduced by 40%-50%, and the firepower of the stove is reduced. See the flow path of the gas. Figure 4 The direction of the arrow.

[0051] See also Figure 5 When the controller 13 applies voltage U2 to the magnetic component 113, a repulsive force F2 is generated, causing the iron core 112 to produce a constant downward displacement X2, the opening of the ventilation channel is θ3, and the nozzle 114 is completely cut off. At this time, the gas flow rate is reduced by 100%, and the stove is turned off.

[0052] Among them, U1<U2, F1<F2, θ1>θ2>θ3.

[0053] Combination Figure 3-5 It can be seen that the greater the downward displacement of the iron core 112, the smaller the opening of the ventilation channel, and the smaller the firepower of the stove. The amplitude of the voltage applied to the magnetic attraction component 113 can be determined based on the correspondence between the predetermined voltage amplitude and the downward displacement of the iron core 112.

[0054] It should be noted that the positional relationship between the magnetic attraction component 113 and the iron core 112 is not limited to Figure 3-5 The magnetic component 113 shown is located above the iron core 112. In other implementations, the magnetic component 113 is located below the iron core 112. The specific implementation of the firepower adjustment when the magnetic component 113 is located below the iron core 112 is similar to that when the magnetic component 113 is located above the iron core 112, and will not be repeated here.

[0055] In one embodiment, a nozzle 114 that is anti-clogging and self-cooling is used to efficiently eject fluid and prevent clogging and load attenuation.

[0056] In one embodiment, the cooker further includes a temperature probe, which is disposed at the center of the burner 12 ; the temperature probe is electrically connected to the controller 13 .

[0057] The temperature probe is used to detect the temperature of the bottom of the pot carried on the cooker, and send the temperature to the controller 13. The controller 13 can automatically adjust the firepower based on the temperature. Specifically, the controller 13 can adjust the voltage amplitude applied to the magnetic component 113 based on the temperature of the bottom of the pot, thereby achieving precise control of the firepower during cooking, avoiding the pot temperature from being too high, affecting cooking health, and avoiding the pot temperature from being too low, affecting the taste of the recipe.

[0058] It should be noted that the embodiment of the utility model does not involve improvement of the algorithm for automatically adjusting the firepower of the controller 13, and the relevant algorithm can be found in the relevant technical description.

[0059] In one embodiment, the temperature probe is a double-layer probe. In the embodiment of the utility model, the temperature probe using a double-layer probe to detect the temperature of the cookware can reduce the occurrence of misjudgment compared to a single-layer probe.

[0060] In one embodiment, the temperature probe is provided with a heat insulating material, which can isolate the high-temperature smoke and prevent the temperature of the bottom of the pot detected by the temperature probe from being disturbed by the environment and the burner 12 .

[0061] In one embodiment, see Figure 7 and 8 The burner 12 includes a fire cover assembly 121 and a flow equalizer 122, and the fire cover assembly is arranged on the flow equalizer. The flow equalizer is provided with a gas through hole. During the operation of the stove, the gas in the gas pipeline 14 flows along the annular groove of the flow equalizer through the ventilation channel, so that the gas in the annular groove is evenly distributed, so that the gas is evenly burned, which improves the combustion efficiency of the burner 12, and ensures that the flame of the stove is even and the cooking effect is better.

[0062] In one embodiment, the fire cover assembly is removable to facilitate cleaning.

[0063] In one embodiment, the fire cover assembly includes an upper fire cover and a lower fire cover arranged opposite to each other, a ring gap is formed between the upper fire cover and the lower fire cover, and a C-shaped air outlet groove is provided on the upper fire cover. The ring gap is formed by the cooperation between the upper fire cover and the lower fire cover, so that the ring gap fire can pass through the 'C'-shaped air outlet groove + the annular fire transfer groove of the upper fire cover to realize right-handed fire.

[0064] In this embodiment, the ingenious fire pattern design and inner and outer ring load distribution of the burner 12 can achieve a better internal convection boiling effect, making the food more flavorful in a shorter time. The outer ring fire cover is a right-handed fire (under the action of the earth's rotation, the right-handed resistance is small) + annular seam fire combination, which can achieve high efficiency and high firepower.

[0065] In one embodiment, see Fig. 9 and 10 The stove also includes: an igniter, a fire power adjustment knob 16, an angle detection valve, a power source S, a smoke stove linkage control circuit 17 and an angle detection circuit 18. The angle detection valve includes a gear 17, a first micro switch 18, a second micro switch 19, a third micro switch 20 and a lever linkage structure 21.

[0066] The igniter is connected to the power supply through the first micro switch, the smoke stove linkage control circuit is connected to the power supply through the second micro switch, and the angle detection circuit is connected to the power supply through the third micro switch.

[0067] The transmission element (pin, button, lever, roller, etc.) of the first micro switch is located below the fire power adjustment knob. When the fire power adjustment knob is pressed down, the first micro switch is turned on to enable the power supply to supply power to the igniter.

[0068] The gear is connected to the fire power adjustment knob by transmission, and the end face of the gear has different thicknesses. The rotation of the fire power adjustment knob drives the gear to rotate. During the rotation of the gear, the end faces of different thicknesses will press or release the transmission element of the second micro switch to turn on or off the second micro switch. When the second micro switch is turned on, the power supply supplies power to the smoke stove linkage control circuit, so that the smoke stove linkage control circuit realizes the smoke stove linkage control. The smoke stove linkage control circuit can be implemented based on the circuit of the prior art, and the utility model will not repeat it in detail.

[0069] The lever linkage structure is located between the gear and the transmission element of the third micro switch. Teeth with different intervals are dispersed on the gear. When the gear rotates, the teeth press against the lever linkage structure. The lever linkage structure presses the transmission element of the third micro switch, the third micro switch is turned on, and the power supply supplies power to the angle detection circuit.

[0070] Four teeth with different intervals can be set on the gear to generate current pulses with four different time intervals (a, b, c, d), so that the angle detection circuit can identify the cycle angle of the gear and then determine the rotation angle of the firepower adjustment knob.

[0071] The specific implementation process of the angle detection circuit for angle recognition is as follows: gear A° corresponds to time a, gear B° corresponds to time b, gear C° corresponds to time c, and gear D° corresponds to time d; the sum of a, b, c, and d should be a divisor of 360°. In the 0-bit state, the angle detection circuit records 0 degrees.

[0072] The angle detection circuit recognizes the intervals in the order of a, b, c, d, then the angle is A+B+C+D. If it is not in order, the angle is subtracted from the recognition point. For example, if the reverse point of the recognition point is A, then the degree is A+B+C+D+…-A.

[0073] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A cooking stove, It is characterized in that The cooker comprises a solenoid valve, a burner, a gas pipeline and a controller. The solenoid valve comprises a valve body, an iron core and a magnetic attraction component. The valve body is provided with an air passage whose two ends are respectively connected with the burner and the gas pipeline. The iron core is arranged in the air passage and is arranged opposite to the magnetic attraction component. The magnetic attraction component is electrically connected to the controller, and the controller is used to apply voltage to the magnetic attraction component so that the magnetic attraction component drives the iron core to move and adjust the opening of the ventilation channel.

2. The cooker according to claim 1, It is characterized in that The solenoid valve further comprises a nozzle provided with a through hole, the ventilation channel comprises a first channel and a second channel, the first channel and the second channel are connected through the nozzle; the first channel is used to connect the burner, and the second channel is used to connect the gas pipeline; The iron core and the magnetic attraction component are arranged opposite to each other along the radial direction of the nozzle; The magnetic attraction component drives the iron core to move in the through hole to adjust the opening of the ventilation channel.

3. The cooker according to claim 2, It is characterized in that Along the direction of the magnetic attraction component, the cross-sectional area of ​​the through hole increases monotonically.

4. The cooker according to claim 2, It is characterized in that The solenoid valve further comprises: An elastic component; the elastic component comprises a first limiter and a spring, the first limiter is located between the nozzle and the second limiter of the magnetic attraction component, and the first limiter is fixed on the second limiter, the two ends of the spring are respectively against the first limiter and the second limiter, and the spring is sleeved on the iron core; and / or, a first sealing member; the first channel is connected to the nozzle through the first sealing member; and / or, a second sealing member; the second passage is connected to the nozzle through the second sealing member.

5. The cooker according to any one of claims 1 to 4, It is characterized in that The cooker further comprises a temperature probe, which is arranged at the center of the burner; the temperature probe is electrically connected to the controller.

6. The cooker according to claim 5, It is characterized in that The temperature probe is a double-layer probe.

7. The cooker according to claim 5, It is characterized in that The temperature probe is provided with heat insulating material.

8. The cooker according to any one of claims 1 to 4, It is characterized in that The burner comprises a fire cover assembly and a flow equalizing plate; The fire cover assembly is arranged on the flow equalizing plate.

9. The cooker according to claim 8, It is characterized in that The fire cover assembly comprises an upper fire cover and a lower fire cover which are arranged opposite to each other, an annular gap is formed between the upper fire cover and the lower fire cover, and a C-shaped air outlet groove is arranged on the upper fire cover.

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