Gas cooker
By installing accessories on the thermocouple signal line and insulation on the high-voltage cable, the problems of thermocouple temperature conduction affecting valve life and low ignition success rate are solved, achieving more efficient heat dissipation and ignition effect.
Patent Information
- Application Number
- CN202520159880.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The temperature conducted by the thermocouple to the valve body affects the valve body's lifespan, and the distributed capacitance formed between the high-voltage cable and the outer casing reduces the ignition success rate.
Fittings are installed on thermocouple signal lines to bring them close to or against the outer casing, increasing heat dissipation; insulating isolation components are installed on high-voltage cables to reduce distributed capacitance.
It effectively reduces the influence of thermocouple temperature conduction to the valve body, increases the electromotive force of the thermocouple, enhances the ignition effect, extends the valve body life, and improves the ignition success rate.
Smart Images
Figure CN223740831U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to kitchen utensil technical field, specifically, relate to a gas stove. BACKGROUND
[0002] In the related art, the gas stove ignites, usually uses the pulse igniter to connect the fire making and the burner, when the pulse igniter provides the voltage between the fire making and the burner is higher than the preset voltage (exceeds the voltage of air ionization), for example, higher than 12KV voltage, air ionizes instantaneously, produces the electric spark, the electric spark ignites the gas, and the gas burns.
[0003] The ignition process of the gas stove is: pressing the stove knob and rotating (at this time the valve body is opened and the gas outlet is conducted), make the pulse igniter work, and the gas ignites; after the gas ignites, the thermocouple temperature rises, generates electromotive force under the heat, makes the valve body connected with the thermocouple suction and continuously be in the open state, to continuously supply the gas. If not ignition succeeds, the thermocouple has no electromotive force, the valve body restores the closed state, and then closes the gas outlet to cut off the gas supply, protects the user from the harm of gas leakage. However, in the cooking process, the thermocouple is heated to red by the flame (the temperature is usually very high), and the temperature can be conducted to the valve body through the thermocouple output line, thereby affecting the service life of the valve body. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of gas stove, to solve the technical problem of thermocouple to a certain extent in prior art temperature is conducted to valve body and affects the service life of valve body.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of gas stove, including shell and the panel that is covered with it, the panel is opened in stove head, the stove head includes burner and thermocouple, the thermocouple is connected with thermocouple signal line, wherein, the thermocouple signal line is set with accessory, the accessory is configured to drive the thermocouple signal line abuts or close to the shell.
[0007] In any of the above technical solutions, optionally, the gas stove further includes a valve body for opening and closing the fire, the output terminal of the thermocouple signal line is electrically connected to the valve body, the accessory includes a counterweight, the counterweight is sleeved on the thermocouple signal line, and the counterweight is driven by its own gravity to slide along the thermocouple signal line to the position where it abuts against the shell.
[0008] In any of the above technical solutions, optionally, the accessory includes a clamping member connected to the inner wall of the shell.
[0009] The clamping piece is clamped with the thermocouple signal line, and / or the clamping piece is clamped with the counterweight.
[0010] In any of the above technical solutions, the counterweight is a metal ring, and / or the clamping piece is a metal piece.
[0011] In any of the above technical solutions, the gas stove further comprises a valve body for opening and closing the fire, an output terminal of the thermocouple signal line is electrically connected with the valve body, the accessory comprises a clamping piece, the clamping piece is connected with an inner wall of the shell, and the clamping piece has a clamping opening for sleeving the thermocouple signal line.
[0012] In any of the above technical solutions, the burner further comprises an ignition piece, the ignition piece is electrically connected with a corresponding pulse igniter through a high-voltage cable.
[0013] In any of the above technical solutions, an insulating isolation piece is sleeved on the high-voltage cable, the isolation piece supports the high-voltage cable by the support of the shell, so that at least part of the high-voltage cable is prevented from contacting the shell.
[0014] In any of the above technical solutions, the ignition piece comprises an insulating part and an ignition needle penetrating the insulating part, an electrically conductive ring is sleeved on the insulating part, and the electrically conductive ring is configured to be disconnected along a corresponding notch.
[0015] In any of the above technical solutions, the notch is in a groove shape, a sawtooth shape or a wave shape.
[0016] The insulating part is a ceramic structure, and the electrically conductive ring is a metal ring.
[0017] In any of the above technical solutions, the valve body is an electromagnetic valve.
[0018] The gas stove provided by the utility model, comprising a shell and a panel, a thermocouple is connected with a thermocouple signal line, a accessory is sleeved on the thermocouple signal line, so that the thermocouple signal line abuts or is close to the shell, so that the heat on the thermocouple signal line can be more conveniently dissipated through the shell of the gas stove, and the temperature of the thermocouple signal line conducting temperature to the valve body can be effectively reduced, so as to avoid heat conduction and accumulation to the valve body and affect the service life of the valve body.
[0019] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.
[0021] Figure 1 The structure schematic diagram of the gas stove provided by the embodiment of the present application is shown in the figure.
[0022] Figure 2 The structure schematic diagram of the ignition needle provided by the embodiment of the present application is shown in the figure.
[0023] Figure 3 The structure schematic diagram of the metal ring provided by the embodiment of the present application is shown in the figure.
[0024] Figure 4 The top view of the metal ring is shown in the figure. Figure 3
[0025] The left view of the metal ring is shown in the figure. Figure 5 Figure 3 The structure schematic diagram of the isolation ring provided by the embodiment of the present application is shown in the figure.
[0026] Figure 6 The left view of the isolation ring is shown in the figure.
[0027] Figure 7 Figure 6 The working principle schematic diagram of the ignition device provided by the embodiment of the present application is shown in the figure.
[0028] Figure 8 The equivalent model of the ignition device is shown in the figure.
[0029] Figure 9 The working principle schematic diagram of the thermocouple in the related art is shown in the figure. Figure 8
[0030] The working principle schematic diagram of the ignition device in the related art is shown in the figure. Figure 10
[0031] The equivalent model of the ignition device is shown in the figure. Figure 11
[0032] The equivalent model of the ignition device is shown in the figure. Figure 12 Figure 11
[0033] Icon: 100 - housing; 200 - panel; 300 - thermocouple; 310 - thermocouple signal line; 320 - fitting; 321 - counterweight; 322 - clamping piece; 400 - ignition piece; 410 - insulation part; 420 - ignition needle; 430 - conductive ring; 431 - notch; 440 - high-voltage cable; 450 - isolation piece; 451 - through slot; 452 - isolation piece notch; 500 - cooking head; 600 - burner;
[0034] 700 - first distributed capacitance; 710 - resistance; 800 - second equivalent capacitance. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0036] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.
[0037] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0038] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0039] In addition, the terms "horizontal", "vertical", "overhang", and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0040] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "arrangement", "installation", "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, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0041] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.
[0042] In the related art, the thermocouple of the gas stove is connected with a thermocouple signal line, and the thermocouple signal line is usually made of copper wire or other metal wire. The thermocouple signal line is directly connected with a valve body (such as an electromagnetic valve), or the thermocouple signal line is connected with the valve body through a terminal head. During cooking, the thermocouple is usually heated to red by the flame, and the temperature is very high. The temperature of the thermocouple can be conducted to the valve body through the thermocouple signal line, and the long-time cold and hot alternation of the valve body temperature can easily reduce the service life of the valve body.
[0043] In the related art, as shown in Figure 10 The top end and the bottom end of the thermocouple 300 are the hot end and the cold end respectively, and when the hot end and the cold end have a temperature difference, a thermoelectric electromotive force is generated. The greater the temperature difference between the cold end and the hot end of the thermocouple 300, the greater the thermoelectric electromotive force. When the flame of the gas stove burns, the thermocouple 300 is heated to generate an electromotive force, which transmits a signal to the control system of the gas stove through a circuit to maintain the valve body in an open state to continuously supply gas.
[0044] In the related art, the pulse igniter of the gas stove provides pulse high voltage to the ignition needle 420 of the striker 400 through the high-voltage cable 440. When the pulse igniter is far away from the ignition needle 420, the high-voltage cable 440 also becomes longer. When the high-voltage cable 440 is long and close to the shell 100, a distributed capacitance is formed between the high-voltage cable 440 and the shell 100, which easily causes the dispersion of high-voltage energy, thereby easily reducing the voltage of the ignition needle 420, and further reducing the ignition success rate. As shown in Figure 11 and Figure 12As shown, when the high-voltage cable 440 connected with the lighter 400 is close to the shell 100, the first distributed capacitance 700 and the resistance 710 are formed between the high-voltage cable 440 and the shell 100, and the tip of the ignition needle 420 of the lighter 400 has less energy storage. When the voltage of the ignition needle 420 rises to the breakdown air discharge, due to the existence of the first distributed capacitance 700, the voltage of the ignition needle 420 rises slowly, and when the voltage rises to the breakdown voltage, the tip of the ignition needle 420 has less energy storage, and the instantaneous discharge capacity is poor, which causes multiple electric sparks in a single discharge cycle, but the electric spark capacity is low each time, which is insufficient to ignite the gas. Due to the existence of the first distributed capacitance 700, when the ignition needle 420 has an electric spark in a single cycle, the voltage of the ignition needle 420 decreases rapidly, the first distributed capacitance 700 and the transformer quickly charge the ignition needle 420 again, so that the ignition needle 420 has a second or multiple discharges, thereby reducing the electric energy that can be released by each ignition, and reducing the ignition success rate.
[0045] The embodiment provides a gas stove, which effectively solves the above problems. Figures 1-9 The embodiment provides a gas stove, which comprises a shell 100 and a panel 200 covering the shell 100, and a burner head 500 is arranged on the panel 200, the burner head 500 comprises a burner 600 and a thermocouple 300, and the thermocouple signal line 310 is connected to the thermocouple 300, wherein a fitting 320 is sleeved on the thermocouple signal line 310, and the fitting 320 is configured to drive the thermocouple signal line 310 to abut or be close to the shell 100.
[0046] The gas stove provided in the embodiment comprises a shell 100 and a panel 200, a thermocouple signal line 310 is connected to a thermocouple 300, and a fitting 320 is sleeved on the thermocouple signal line 310 to drive the thermocouple signal line 310 to abut or be close to the shell 100, so that heat on the thermocouple signal line 310 can be more conveniently dissipated through the shell 100 of the gas stove, and the temperature of the thermocouple signal line 310 conducted to a valve body can be effectively reduced, so as to avoid heat conduction and accumulation to the valve body and affect the service life of the valve body.
[0047] The gas stove provided in the embodiment can effectively reduce the temperature of the thermocouple signal line 310 conducted to the valve body and reduce the cold end temperature of the thermocouple 300, so as to improve the electromotive force of the thermocouple 300, increase the potential difference between the hot end and the cold end of the thermocouple 300, and thus increase the output capacity of the thermocouple 300.
[0048] In the embodiment, the accessory 320 is configured to drive the thermocouple signal line 310 to abut or approach the outer shell 100. It can be understood that the accessory 320 drives the thermocouple signal line 310 to abut or approach the outer shell 100 by its own gravity, for example, the accessory 320 comprises a counterweight 321. It can also be understood that the accessory 320 clamps the thermocouple signal line 310 so that the thermocouple signal line 310 is fixed to the outer shell 100, so that at least part of the thermocouple signal line 310 approaches the outer shell 100, and it is also possible that part of the thermocouple signal line 310 abuts the outer shell 100 due to its own gravity, for example, the accessory 320 comprises a clamping piece 322. In some embodiments, other structures that can satisfy the accessory 320 driving the thermocouple signal line 310 to abut or approach the outer shell 100 also belong to the protection scope of the present application.
[0049] When the accessory 320 comprises the counterweight 321, referring to Figure 1 In an optional solution of the embodiment, the gas stove further comprises a valve body for opening and closing the fire, and the output terminal of the thermocouple signal line 310 is electrically connected to the valve body. The counterweight 321 is sleeved on the thermocouple signal line 310, and the counterweight 321 is driven by its own gravity to slide along the thermocouple signal line 310 to the position abutting the outer shell 100. Alternatively, the counterweight 321 is a counterweight ring. The position of the thermocouple signal line 310 is pressed and slid down to the position abutting the outer shell 100 by the gravity of the counterweight 321, which greatly increases the efficiency of heat conduction of the thermocouple signal line 310 to the outer shell 100. The thermocouple signal line 310 can be effectively cooled by the outer shell 100, so that the temperature of the thermocouple signal line 310 conducting the temperature to the electromagnetic valve can be reduced.
[0050] When the accessory 320 comprises the clamping piece 322, referring to Figure 1 In an optional solution of the embodiment, the gas stove further comprises a valve body for opening and closing the fire, and the output terminal of the thermocouple signal line 310 is electrically connected to the valve body. The clamping piece 322 is connected to the inner wall of the outer shell 100, and the clamping piece 322 has a clamping port for sleeving the thermocouple signal line 310. For example, the clamping piece 322 adopts a buckle shape. The thermocouple signal line 310 is clamped by the clamping port of the clamping piece 322, so that the thermocouple signal line 310 is fixed to the outer shell 100, so that at least part of the thermocouple signal line 310 approaches the outer shell 100, and it is also possible that part of the thermocouple signal line 310 abuts the outer shell 100 due to its own gravity, which greatly increases the efficiency of heat conduction of the thermocouple signal line 310 to the outer shell 100. The thermocouple signal line 310 can be effectively cooled by the outer shell 100, so that the temperature of the thermocouple signal line 310 conducting the temperature to the electromagnetic valve can be reduced.
[0051] In the embodiment, the clamping member 322 not only clamps the thermocouple signal line 310 directly, but also clamps the counterweight member 321, so as to ensure that the counterweight member 321 is close to the shell 100, and then ensure that the thermocouple signal line 310 connected with the counterweight member 321 is close to the shell 100, so that at least part of the thermocouple signal line 310 is close to the shell 100, and part of the thermocouple signal line 310 can be in abutment with the shell 100 due to its own gravity, which greatly increases the heat conduction efficiency of the thermocouple signal line 310 to the shell 100.
[0052] Optionally, the number of the accessory 320 is one or more. When the number of the accessory 320 is one, the accessory 320 is the counterweight member 321 or the clamping member 322. When the number of the accessory 320 is more than one, the plurality of accessories 320 are arranged on the thermocouple signal line 310 at intervals. By arranging the plurality of accessories 320, the thermocouple signal line 310 can be effectively driven to abut or be close to the shell 100, and then the heat conduction efficiency of the thermocouple signal line 310 to the shell 100 is greatly increased. Optionally, the accessory 320 includes a plurality of counterweight members 321, or the accessory 320 includes a plurality of clamping members 322, or the accessory 320 includes a plurality of counterweight members 321 and a plurality of clamping members 322.
[0053] Optionally, the accessory 320 is made of metal or other materials.
[0054] Optionally, the counterweight member 321 is a metal ring or other structure.
[0055] Optionally, the clamping member 322 is a metal member or other structure.
[0056] Optionally, the accessory 320 is made of metal or other materials. Figure 1 Optionally, the accessory 320 is made of metal or other materials.
[0057] Optionally, the accessory 320 is made of metal or other materials. Figure 1 、 Figure 6 and Figure 7 Optionally, the high-voltage cable 440 is sleeved with an insulating isolation member 450, and the isolation member 450 supports the high-voltage cable 440 by the support of the shell 100, so that at least part of the high-voltage cable 440 avoids contact with the shell 100, so as to increase the distance between at least part of the high-voltage cable 440 and the shell 100, and then reduce the distributed capacitance of the high-voltage cable 440, so as to improve the discharge effect of the ignition needle 420.
[0058] Since the ignition needle 420 of the lighter 400 applies pulse high voltage, the high-voltage cable 440 connecting the lighter 400 and the pulse igniter also has pulse high voltage. If the high-voltage cable 440 is close to the shell 100, a distributed capacitance is easily formed between the high-voltage cable 440 and the shell 100, which causes part of the energy to be dispersed, and thus easily causes the voltage of the ignition needle 420 to be reduced and the discharge effect to be poor. It should be noted that an electric spark is a very short process. If the energy is dispersed, the electric efficiency is reduced, the electric spark time is lengthened, and the energy release per unit time is reduced, which easily causes the discharge effect to be poor. Therefore, the gas stove described in the embodiment separates the high-voltage cable 440 from the shell 100 as much as possible by adding the isolation piece 450 to the high-voltage cable 440, so that at least part of the high-voltage cable 440 is separated from the shell 100, thereby reducing energy dispersion, increasing the discharge voltage of the ignition needle 420 of the lighter 400, and further improving the discharge effect of the ignition needle 420.
[0059] Optionally, the isolation piece 450 is an isolation ring or other structure.
[0060] Optionally, the isolation piece 450 includes a through slot 451 accommodating the high-voltage cable 440.
[0061] Optionally, the isolation piece 450 further includes an isolation piece gap 452 in communication with the through slot 451; through the isolation piece gap 452, the high-voltage cable 440 can enter the through slot 451; through the cooperation of the isolation piece gap 452 and the through slot 451, the high-voltage cable 440 is clamped by the isolation piece 450.
[0062] Referring to Table 1, the close state is that the high-voltage cable 440 is close to the shell 100, and the suspended state is that the high-voltage cable 440 is separated from the shell 100 and is in a suspended state. As can be seen from Table 1, the voltage of the ignition needle 420 in the suspended state is higher than that in the close state, and thus the scheme in the embodiment is beneficial to improve the discharge effect of the ignition needle 420.
[0063] Table 1 Discharge voltage of ignition needle state
[0064]
[0065]
[0066] Referring to Figures 2-5 As shown in the optional scheme of the embodiment, the lighter 400 includes an insulation part 410 and an ignition needle 420 penetrating through the insulation part 410, and the insulation part 410 is sleeved with a conductive ring 430 configured to be disconnected along a corresponding gap 431.
[0067] Optionally, the gap 431 is in a groove shape, a sawtooth shape, or a wave shape, or other shapes.
[0068] Optionally, the insulating part 410 is a ceramic structure or other insulating structure.
[0069] Optionally, the conductive ring 430 is a metal ring or other conductive structure. For example, the conductive ring 430 is a copper ring, etc.
[0070] Optionally, the notch 431 is jagged or wavy, and the conductive ring 430 is a metal ring. Due to the metal characteristics, the metal tip is easy to store electric charge, so the conductive ring 430 with jagged or wavy notch 431 is more likely to concentrate energy, and can better improve the discharge effect of the ignition needle 420.
[0071] In some embodiments, the gas stove described in the embodiment, the conductive ring 430 is sleeved outside the insulating part 410 of the ignition device 400, and forms a capacitor with the ignition needle 420 to maintain the output voltage of the ignition needle 420 and improve the discharge effect, as shown in Figure 2 The specific analysis is as follows:
[0072] As shown in Figure 8 and Figure 9 The gas stove described in the embodiment has a conductive ring 430 sleeved outside the insulating part 410 of the ignition device 400, and the conductive ring 430 is configured to be disconnected along the corresponding notch 431, which is equivalent to adding a capacitor (i.e. a second equivalent capacitor 800) to the ignition needle 420, which can play a role in energy storage. According to the capacitor energy calculation formula W = 1 / 2 CU 2 (C is the capacitance value, U is the capacitor voltage) and the capacitor voltage formula u = C∫idt (u is the voltage across the capacitor, c is the capacitance value, and i is the current value), due to the existence of the equivalent capacitance of the conductive ring 430, the voltage rise of the ignition needle 420 is slow, but it plays a role in energy storage. When the voltage of the ignition needle 420 reaches the breakdown voltage, due to the energy storage effect of the conductive ring 430, the energy of a single discharge is more, and the effect of maintaining the electric spark is better. There is a current flowing on the ignition needle 420, and the current (directly moving charge) generates a ring-shaped magnetic field. Under the action of the magnetic field force, the conductive ring 430 with the notch 431 generates a unidirectional current inside, so that a voltage difference is generated at the notch 431 of the conductive ring 430.
[0073] One ignition cycle: before the ignition needle 420 is not discharged, the ignition needle 420 has a rapidly increasing current to make the ignition needle 420 reach the breakdown voltage, in the process of current increasing, the electrically conductive ring 430 plays the energy storage role of the capacitor under the action of the induced magnetic field, so that the notch 431 cross-section voltage increases with the rising of the current of the ignition needle 420; when the voltage of the ignition needle 420 reaches the breakdown voltage, an electric spark is generated, the voltage of the ignition needle 420 rapidly decreases, and due to the existence of the notch 431 cross-section voltage, the time length of the voltage decrease of the ignition needle 420 is prolonged, so that the ignition needle 420 is more easily ignited.
[0074] The preferred embodiments of the utility model are merely used for limiting the utility model, and for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A gas hob, characterized in that The gas stove comprises a shell (100) and a panel (200) covering the shell (100), the panel (200) is provided with a cooking head (500), the cooking head (500) comprises a burner (600) and a thermocouple (300), the thermocouple signal line (310) is connected to the thermocouple (300), and a fitting (320) is sleeved on the thermocouple signal line (310), the fitting (320) is configured to drive the thermocouple signal line (310) to abut or be close to the shell (100).
2. Gas hob according to claim 1, characterized in that The gas stove further comprises a valve body for opening and closing the fire, an output terminal of the thermocouple signal line (310) is electrically connected to the valve body, the fitting (320) comprises a counterweight (321), the counterweight (321) is sleeved on the thermocouple signal line (310), and the counterweight (321) is driven by its own gravity to slide along the thermocouple signal line (310) to a position abutting the shell (100).
3. Gas hob according to claim 2, characterized in that The fitting (320) comprises a clamping piece (322) connected to an inner wall of the shell (100). The clamping piece (322) is clamped with the thermocouple signal line (310) and / or the clamping piece (322) is clamped with the counterweight (321).
4. Gas hob according to claim 3, characterized in that The counterweight (321) is a metal ring, and / or the clamping piece (322) is a metal piece.
5. Gas hob according to claim 1, characterized in that The gas stove further comprises a valve body for opening and closing the fire, an output terminal of the thermocouple signal line (310) is electrically connected to the valve body, the fitting (320) comprises a clamping piece (322) connected to an inner wall of the shell (100), and the clamping piece (322) has a clamping hole for sleeving the thermocouple signal line (310).
6. Gas hob according to claim 1, characterized in that The cooking head (500) further comprises an ignition piece (400) electrically connected to a corresponding pulse igniter through a high-voltage cable (440).
7. Gas hob according to claim 6, characterized in that An insulating isolation piece (450) is sleeved on the high-voltage cable (440), the isolation piece (450) is supported by the shell (100) to lift the high-voltage cable (440), so that at least part of the high-voltage cable (440) avoids contacting the shell (100).
8. Gas hob according to claim 6, characterized in that The ignition piece (400) comprises an insulating part (410) and an ignition needle (420) penetrating the insulating part (410), the insulating part (410) is sleeved with a conductive ring (430), and the conductive ring (430) is configured to be disconnected along a corresponding notch (431).
9. Gas hob according to claim 8, characterized in that The notch (431) is in the form of a groove, a sawtooth or a wave. The insulating part (410) is a ceramic structure, and the conductive ring (430) is a metal ring.
10. Gas hob according to claim 2, characterized in that The valve body is an electromagnetic valve.