CN110779051A

CN110779051A - Gas stove

Info

Publication number: CN110779051A
Application number: CN201911032349.2A
Authority: CN
Inventors: 陈迪龙; 杨杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-02-11
Anticipated expiration: 2039-10-28
Also published as: CN110779051B

Abstract

The invention relates to a gas cooker, which comprises a panel (1), a burner (2), an ignition needle (3) and at least three pot support legs (52), wherein the pot support legs (52) are arranged on the panel (1) and are circumferentially arranged at intervals on the periphery of the burner (2), and the gas cooker is characterized in that: the burner (2) is arranged on the panel (1) in a manner of moving up and down, and the ignition needle (3) is arranged on the panel (1) or the burner (2). Compared with the prior art, the height-adjustable of combustor in this application, and then improves combustion efficiency.

Description

Gas stove

Technical Field

The invention belongs to the technical field of cookers, and particularly relates to a gas cooker.

Background

The kitchen range is a kitchen utensil commonly used in families and mainly comprises a panel, a burner arranged on the panel and a pot support. The ignition structure on the combustor is generally pulse electronic ignition mostly, and a small part adopts piezoelectric ceramic ignition and the like. For example, patent application of invention with application number of cn201711230482.x, a gas stove ignition needle and a burner provided with the ignition needle (application publication number of CN109838816A), discloses a gas stove ignition needle, which is arranged in an annular channel between an inner ring fire cover and an outer ring fire cover of the burner. For another example, patent application CN201710917101.9, entitled "an ignition needle and a gas burner using the same" (application publication No. CN109595587A), discloses an ignition needle disposed on a side wall of an inner ring fire cover of a burner.

The combustor among the prior art is many fixed mounting on the panel, and ignition needle snap-on is on the combustor, and the one end of ignition needle is connected the ignition power, through to combustor fire lid discharge and realize the ignition. Although the burner with the structure can realize stable ignition, the ignition mode is single, the burner is required to be fixedly arranged on the panel, and the burner is not suitable for burners with movable positions.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a height-adjustable burner aiming at the current situation of the prior art, so as to improve the combustion efficiency of the gas cooker.

The second technical problem to be solved by the invention is to provide a gas cooker which changes the arrangement mode of the existing ignition needle, so that the burner can be ignited after moving upwards to the working height, and further the user experience is improved.

The third technical problem to be solved by the invention is to provide a gas cooker capable of realizing suspension ignition of a burner aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a gas cooking utensils, is including panel, combustor, ignition needle and at least three pot stabilizer blade, the pot stabilizer blade sets up on the panel and along circumference interval arrangement in the periphery of combustor, its characterized in that: the burner is arranged on the panel in a manner of moving up and down, and the ignition needle is arranged on the panel or the burner.

In order to solve the second technical problem, it is preferable that at least one position sensor for detecting the height of the burner is further included; the interior of at least one pot supporting leg is hollow; the position sensor is arranged in the pot support leg with the hollow inner part according to the required working height of the burner; the ignition needle is vertically arranged on the panel close to the burner, the lower end part of the ignition needle is electrically connected with the output end of the stove ignition circuit, the ignition hole in the burner is gradually close to the upper end part of the ignition needle in the upward moving process of the burner, and the distance between the ignition hole in the burner and the upper end part of the ignition needle is smaller than or equal to the ignition distance until the burner moves upward to the height of the position sensor.

There may be only one of the position sensors; the burner can be arranged on the pot supporting legs along different heights, so that the burner can be ignited by selecting a proper working height according to the shapes of pots such as a sharp pot and a flat pot and other working conditions.

Preferably, the device also comprises a controller which can receive signals sent by the position sensor and control the operation of the ignition circuit of the cooker; the controller and the stove ignition circuit are arranged below the panel; the position sensor is electrically connected with the controller through a conductor.

The pan support legs can be fixedly arranged on the panel or can be directly arranged on the panel, preferably, the pan support legs are detachably arranged on the panel; the electric conductors comprise a first electric conductor and a second electric conductor, and the first electric conductor is arranged at the bottom of the pot support leg and is electrically connected with the position sensor; the second electric conductor is arranged on the panel corresponding to the first electric conductor and is inserted and connected with the first electric conductor, and the bottom of the second electric conductor penetrates through the panel and then is connected with the controller through electric signals. Therefore, the pan support legs are placed on the panel, so that the first electric conductor and the second electric conductor are connected in an inserted mode, and the position sensor can be connected with the controller; the first and second conductors can also limit the pot support legs to be placed at the specified positions; after use, the pan support legs are taken down, so that the panel is convenient to clean. Of course, if the pan support legs are fixedly mounted on the panel, the electrical conductor may be a single piece.

In order to solve the second technical problem, it is also preferable that the burner is at least partially electrically conductive; a flange used for limiting the ascending height of the burner is convexly arranged on the upper side of each pot supporting leg, and the flange can be electrically contacted with the burner during the upward movement of the burner; at least one flange is electrically connected with the output end of the stove ignition circuit; the ignition needle is arranged on the combustor, and a first end of the ignition needle is electrically contacted with the combustor, and a second end of the ignition needle is exposed out of the combustor and is opposite to an ignition hole on the combustor.

In order to ensure that the flange can be stably contacted with the burner and further ensure the ignition stability, further, a pot support ring connected with each pot support leg is arranged on the inner side surface of each pot support leg, and the pot support ring forms the flange; the combustor corresponds protruding electrically conductive outer lane that is equipped with of pot support circle in circumference, and this electrically conductive outer lane can the butt on the lower surface of pot support circle after combustor rebound to working height.

Preferably, at least one of the pot support legs is an insulator with a hollow interior, the stove ignition circuit is arranged below the panel and is connected with the pot support ring through a conductive piece, and the conductive piece is inserted into the pot support leg with the hollow interior and is connected with the pot support ring. Therefore, the conductive piece is hidden in the pot support leg, the connection between the pot support ring and the stove ignition circuit can be ensured, the external structure is simplified, and the stove is simpler.

Similarly, the pot support legs can be fixedly arranged on the panel or can be directly arranged on the panel, and the pot support legs can be taken down when the panel is to be cleaned. Preferably, the pan support leg is detachably arranged on the panel; the electric conduction pieces comprise a first electric conduction piece and a second electric conduction piece, the first electric conduction piece is inserted into the pot support leg from bottom to top, and the bottom of the first electric conduction piece is exposed under the pot support leg; the bottom of the second conductive piece corresponding to the bottom of the first conductive piece is arranged on the panel and is connected with the bottom of the first conductive piece in an inserting mode, and the bottom of the second conductive piece penetrates through the panel and then is connected with the output end of the stove ignition circuit. Therefore, the first conductive piece and the second conductive piece can be separated, and when the pot is needed to be used, the pot support leg is placed on the panel, so that the first conductive piece and the second conductive piece are spliced.

In order to further solve the third technical problem, in the present application, it is preferable that the burner be provided on the panel by a lifting mechanism, and at least one nozzle through which gas is ejected upward is provided on the panel in a protruding manner, and the burner be suspended above the nozzle so as to be movable up and down; the combustor is internally provided with a gas mixing cavity for gas and air to enter, and the inlet of the gas mixing cavity is opposite to the nozzle. Therefore, ignition and combustion can be realized after the combustor moves upwards and is in a suspension state; the burner is suspended and then combusted, so that the heat transferred to the panel can be reduced, and the temperature of the panel is further reduced; and the user experience can be further improved.

As an improvement, the burner is provided with a magnetic part, the panel is correspondingly provided with an electromagnet, and the electromagnet can generate magnetism repulsive to the magnetic part when being electrified, so that the burner can move upwards and suspend on the panel. The burner moves upwards and floats on the panel through repulsive magnetic property; when not in use, the burner can be directly taken down from the panel, thereby being convenient for cleaning the panel.

In order to prevent the burner in a suspension state from interfering with the bottom of the pot and ensure that the burner can be in a better combustion performance, the vertical distance between a supporting surface used for supporting a pot on the pot supporting legs and the top surface of the burner which is completely suspended is not less than 20 mm; the vertical distance from the bottom surface of the burner to the panel under complete suspension is not more than 30 mm.

Compared with the prior art, the invention has the advantages that: set up on the panel through reciprocating the combustor for the height-adjustable of this application combustor can adjust the height of combustor according to the shape of pan, and then improves combustion efficiency.

The burner is ignited and combusted after moving upwards to the working height, so that the burner can combust at a proper height according to the shape of the cookware and other conditions, the heat efficiency is improved, and the user experience can be improved; and the combustor burns after upwards moving to the working height, can reduce the heat that conducts to the panel, reduces the temperature of panel.

The burner can be suspended on the panel in a vertically movable manner, so that ignition and combustion of the burner in a suspension state can be realized, and the user experience is further improved; and the structure of the cooker is simplified, and when the cooker is not used, the burner can be directly taken down, so that the panel on the cooker is convenient to clean.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention (a left burner on a stove is located on a panel, and a right burner on the stove is suspended on the panel);

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a partial cross-sectional view of a first embodiment of the invention (burner suspended from a panel);

FIG. 4 is a partial cross-sectional view of a first embodiment of the invention (burner on panel);

FIG. 5 is a partially exploded view of a first embodiment of the present invention;

FIG. 6 is a schematic structural view of a second embodiment of the present invention (the burner on the left stove is located on the panel, and the burner on the right stove is suspended on the panel);

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a sectional view of the left cooker of FIG. 6;

fig. 9 is a sectional view of the right cooker of fig. 6;

fig. 10 is a partially exploded view of a second embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows:

as shown in fig. 1 to 5, a gas cooker according to a first preferred embodiment of the present invention includes a panel 1, a burner 2, an ignition needle 3, an igniter 4, a pot holder 5, a controller 6, and a position sensor 7.

Wherein, combustor 2 can move up and down ground suspension on panel 1, and can realize ignition, burning under the suspension state, and the concrete structure is:

a nozzle 11 for ejecting gas upwards is convexly arranged on the panel 1, and the burner 2 can be suspended above the nozzle 11 in a vertically moving manner; the combustor 2 is internally provided with a gas mixing cavity 22 for gas and air to enter, an inlet 21 of the gas mixing cavity 22 is opposite to the nozzle 11, and the upper surface of the combustor 2 is provided with an ignition hole 23 communicated with the gas mixing cavity 22. And the inlet 21 of the air mixing cavity 22 and the nozzle 11 are positioned on the central axis of the burner 2, and the nozzle 11 is opposite to the center of the inlet 21 of the air mixing cavity 22.

In order to suspend the burner 2, a magnetic member (not shown) is provided on the burner 2, and an electromagnet 12 is correspondingly provided on the panel 1, and the electromagnet 12 can generate magnetism repulsive to the magnetic member when being energized, so that the burner 2 can be suspended on the panel 1 in a vertically movable manner. By controlling parameters such as the current flowing through the electromagnet 12, the automatic lifting of the burner 2 can be realized. The method specifically comprises the following steps: the electromagnet 12 is a ring-shaped whole body and is arranged below the panel 1 by taking the nozzle 11 as a center; the magnetic member is a high temperature resistant permanent magnet, which is disposed at the lower portion of the burner 2 with the nozzle 11 as the center. And the lower part of the burner 2 is provided with a heat insulating layer for surrounding the magnetic member. Therefore, the influence of high temperature on the magnetic part can be avoided. Meanwhile, the electromagnet 12 is arranged below the panel 1, so that the panel 1 is simpler and is convenient to clean.

The nozzle 11 is connected with an air pipe for conveying fuel gas, and comprises the air pipe, the panel 1 and the like which are made of non-magnetic materials, so that the interference to a magnetic field is avoided. The fire power of the burner 2 is determined by the gas ejection amount of the nozzle 11, and can be controlled by a motor or a proportional valve, and the operation interface is controlled by a magnetic control knob or a projection.

Adopt the combustor 2 of suspension design conveniently to realize in the time of 2 altitude mixture control on the combustor, combustor 2 can be directly tak away from panel 1 when out of work, and the panel 1 of being convenient for is clean.

In order to realize the ignition and combustion of the burner 2 in a suspension state, the ignition needle 3 is vertically arranged on the panel 1 close to the burner 2, the first end of the ignition needle 3 is only close to the ignition hole 23 on the burner 2 after the burner 2 is completely suspended, and the second end is electrically connected with the output end of the stove ignition circuit 4 through a lead. The linear distance (i.e., ignition distance) between the first end of the ignition needle 3 and the ignition hole 23 of the completely suspended burner 2 is preferably 2 to 6mm, with 4mm being the optimal distance. The structure of the ignition needle 3 comprises an electrode needle 31 and an insulating sleeve 32 axially sleeved on the electrode needle 31, wherein the top of the electrode needle 31 is the first end part of the ignition needle 3, the bottom of the electrode needle 31 is the second end part of the ignition needle 3, and the insulating sleeve 32 is arranged on the panel to avoid conducting electricity to the panel 1.

The pan support 52 is arranged on the panel 1 and located at the periphery of the burner 2, the pan support 5 comprises a pan support ring 51 and four pan support legs 52, and the pan support legs 52 are arranged on the pan support ring 51 at equal intervals around the pan support ring 51 and used for supporting a pan. In this embodiment, the vertical distance between the supporting surface of the pot support 52 for supporting the pot and the top surface of the burner 2 completely suspended is not less than 20 mm; the vertical distance from the bottom surface of the burner 2 in complete suspension to the panel 1 is not more than 30 mm.

As shown in fig. 3, in order to ensure that the stove ignition circuit 4 discharges only when the distance between the burner 2 and the first end of the ignition needle 3 is within the ignition distance range, and does not discharge in other cases, thereby ensuring the ignition rate, the position sensor 7 is used for detecting the position height of the burner 2, and the position sensor 7 is arranged on the pot support leg 52 of the pot support 5 according to the required ignition height of the burner 2; the controller 6 and the stove ignition circuit 4 are arranged below the panel 1; the signal output end of the position sensor 7 is connected with the signal input end of the controller 6 through an electric signal, and the signal output end of the controller 6 is connected with the stove ignition circuit 4 through an electric signal, so that the work of the stove ignition circuit 4 is controlled through the received output signal of the position sensor 7. In the upward movement process of the burner 2, the ignition hole 23 on the burner 2 gradually approaches the upper end part of the ignition needle 3 until the distance between the ignition hole 23 on the burner 2 and the upper end part of the ignition needle 3 is smaller than or equal to the ignition distance when the burner 2 moves upward to the height of the position sensor 7.

In this embodiment, the pan support 5 is detachably disposed on the panel 1; the pan support leg 52 is hollow inside, and the position sensor 7 is disposed inside the pan support leg 52 and electrically connected to the controller 6 through the electric conductor 8. The electric conductor comprises a first electric conductor 81 and a second electric conductor 82, the first electric conductor 81 is a conductive column which is downwards protruded at the bottom of the pan support leg 52, the top of the conductive column is exposed in the pan support leg 52 and is electrically connected with the position sensor 7 through a conducting wire; the second conductor 82 is disposed on the panel 1 corresponding to the first conductor 81, the second conductor 82 includes an insulating base 821 disposed on the panel 1, and a conductive sleeve 822 disposed on the insulating base 821 for inserting the conductive column, and a bottom of the conductive sleeve 822 penetrates through the panel 1 and is electrically connected to the controller 6 through a conductive wire. Therefore, the insertion and matching connection between the conductive posts and the conductive sleeves is convenient for the disassembly and the assembly of the pot support 5, and the conductive posts and the pot support can be communicated after being inserted and connected, thereby being convenient for use. In this embodiment, the electric conductors 8 have four and are provided on the respective pan legs 52, and the position sensor 7 has one and is provided on one of the pan legs 52.

When the gas stove is used, the burner 2 is placed on the panel 1, the burner 2 is suspended and ascended, after the burner 2 ascends to the highest position (namely the height position of the position sensor 7), the position sensor 7 transmits a signal to the controller 6 after the signal is sensed by the position sensor 7, and the controller 6 controls the work of the stove ignition circuit 4 to further realize discharge ignition; at this time, the burner 2 can be ignited in a suspension state, and in the suspension state, the gas and air sprayed from the nozzle 11 can continuously enter the burner 2, so that the burner 2 is ensured to be in a combustion state. After cooking is finished, the burner 2 descends to the panel 1, and the gas valve is closed.

Example two:

as shown in fig. 6 to 10, a second preferred embodiment of the gas cooker of the present invention is basically the same as the first embodiment, except that the ignition mode of the burner in the completely suspended state in the present embodiment is different, specifically as follows:

the pan support ring 51 in this embodiment is electrically conductive, and the pan support legs 52 are arranged on the outer side of the pan support ring 51 around the pan support ring 51, and the height of the pan support ring 51 is designed according to the required ignition height of the burner 2.

The stove ignition circuit 4 is arranged below the panel 1 and is connected with the pan support ring 51 through a conductive piece 9, and specifically comprises: each pan leg 52 is an insulator with a hollow interior; the conductive members 9 are four and are arranged corresponding to the pot support legs 52; each conductive member 9 comprises a first conductive member 91 and a second conductive member 92, the first conductive member 91 is inserted into the pot support leg 52 from bottom to top, and the bottom of the first conductive member 91 is exposed out of the pot support leg 52; the second conductive member 92 is arranged on the panel 1 corresponding to the bottom of the first conductive member 91 and is inserted and connected with the bottom of the first conductive member 91, and the bottom of the second conductive member 92 penetrates through the panel 1 and then is connected with the stove ignition circuit 4. In this embodiment, the second conductive member 92 includes an insulating socket 921 disposed on the panel 1, and a conductive pin 922 disposed on the insulating socket 921, and the insulating socket 921 is provided with a groove 923 for inserting the bottom of the first conductive member 91; one end of the conductive pin 922 is exposed in the groove 923, inserted into the bottom of the first conductive member 91 and then contacted with the first conductive member 91, and the other end of the conductive pin passes through the insulation socket 921 and then is connected with the output end of the stove ignition circuit 4 through the wire 10. In this way, the conductive pins 922 are separated from the panel 1 by the insulation sockets 921, so as to avoid conducting electricity to the panel 1. When the pot support 5 is used, the bottom of the first conductive piece 91 on the pot support 5 is inserted on the insulation socket 921, so that the pot support 5 can be fixed, and the first conductive piece and the second conductive piece are connected and conducted; after use, the pot support 5 can be directly taken away for cleaning.

The burner 2 can be suspended on the panel 1 in a vertically movable manner, at least part of the burner can conduct electricity, the outer conductive ring 24 is arranged on the circumference of the burner 2 corresponding to the pan support ring 51 in a protruding manner, the outer diameter of the outer conductive ring 24 is larger than the inner diameter of the pan support ring 51, and the upper surface of the outer conductive ring 24 can abut against the lower surface of the pan support ring 51 to be in electrical contact with the pan support ring 51 after the burner 2 moves upwards and is suspended completely.

A pit 25 is concavely arranged on the upper surface of the combustor 2, the pit 25 is positioned on the central axis of the combustor 2, the ignition needle 3 is vertically arranged on the pit 25, the first end part, namely the bottom part, of the ignition needle 3 is electrically contacted with the combustor 2, and the second end part, namely the top part, is exposed out of the combustor 2 and is opposite to the ignition hole 23 on the combustor 2; the ignition holes 23 on the burner 2 are distributed on the upper surface of the burner 2 avoiding the dimples 25.

In this way, after the burner 2 moves upwards until the conductive outer ring 24 on the burner 2 contacts the pan support ring 51, the stove ignition circuit 4 can realize discharge ignition by forming a loop through the conductive piece 9, the pan support ring 51, the burner 2 and the ignition needle 3 on the burner 2. The pot support ring 51 can limit the suspension height of the burner 2, so that the burner 2 can ignite and burn at the height, and meanwhile, the burner 2 can be corrected in a limiting and position mode, and the burner 2 in a suspension state is prevented from deflecting under an external interference factor to influence the use.

The suspension manner of the burner 2 in this embodiment can refer to the first embodiment, and is not described herein.

As shown in fig. 8 and 9, when cooking, the pot support 5 is placed on the panel 1, and the burner 2 is controlled to be suspended upwards until the conductive outer ring 24 on the burner 2 is in contact with the pot support ring 51. And starting the stove ignition circuit 4 to enable the stove ignition circuit 4 and the ignition needle 3 to form a loop, electrifying the ignition needle 3 for ignition, and igniting the combustor 2. After cooking, the burner 2 falls on the panel 1, and the conductive outer ring 24 on the burner 2 is separated from the pan support ring 51, so that ignition cannot be performed, and use safety is further guaranteed.

Claims

1. A gas cooking appliance comprises a panel (1), a burner (2), an ignition needle (3) and at least three pot support legs (52), wherein the pot support legs (52) are arranged on the panel (1) and are circumferentially arranged at intervals on the periphery of the burner (2), and the gas cooking appliance is characterized in that: the burner (2) is arranged on the panel (1) in a manner of moving up and down, and the ignition needle (3) is arranged on the panel (1) or the burner (2).

2. Gas hob according to claim 1, characterized in that: at least one position sensor (7) for detecting the height of the burner (2); the interior of at least one pot foot (52) is hollow; the position sensor (7) is arranged inside the pot supporting leg (52) with a hollow interior according to the required working height of the burner (2); the ignition needle (3) is vertically arranged on the panel (1) close to the burner (2), the lower end part of the ignition needle (3) is electrically connected with the output end of the stove ignition circuit (4), the ignition hole (23) in the burner (2) is gradually close to the upper end part of the ignition needle (3) in the upward moving process of the burner (2), and until the burner (2) moves upward to the height of the position sensor (7), the distance between the ignition hole (23) in the burner (2) and the upper end part of the ignition needle (3) is smaller than or equal to the ignition distance.

3. A gas hob according to claim 2, characterized in that: the device also comprises a controller (6) which can receive signals sent by the position sensor (7) and control the operation of the stove ignition circuit (4); the controller (6) and the stove ignition circuit (4) are arranged below the panel (1); the position sensor (7) is electrically connected with the controller (6) through a conductor (8).

4. A gas hob according to claim 3, characterized in that: the pan support legs (52) are detachably arranged on the panel (1); the electric conductor (8) comprises a first electric conductor (81) and a second electric conductor (82), and the first electric conductor (81) is arranged at the bottom of the pan support leg (52) and is connected with the position sensor (7) through an electric signal; the second conductor (82) is arranged on the panel (1) corresponding to the first conductor (81) and is connected with the first conductor (81) in an inserting and matching mode, and the bottom of the second conductor (82) penetrates through the panel (1) and then is connected with the controller (6) in an electric signal mode.

5. Gas hob according to claim 1, characterized in that: the burner (2) is at least partially electrically conductive; each pan support leg (52) is provided with a flange which is used for limiting the ascending height of the burner (2) in a protruding way in the lateral direction and can be electrically contacted with the burner (2) during the upward movement of the burner (2); at least one flange is electrically connected with the output end of the stove ignition circuit (4); the ignition needle (3) is arranged on the combustor (2), a first end part of the ignition needle (3) is electrically contacted with the combustor (2), and a second end part of the ignition needle is exposed out of the combustor (2) and is opposite to an ignition hole (23) on the combustor (2).

6. Gas hob according to claim 5, characterized in that: the inner side surface of the pan support leg (52) is provided with a pan support ring (51) connected with each pan support leg (52), and the pan support ring (51) forms the flange; the electric conduction outer ring (24) is arranged on the circumferential direction of the combustor (2) in a protruding mode corresponding to the pot support ring (51), and the electric conduction outer ring (24) can abut against the lower surface of the pot support ring (51) after the combustor (2) moves upwards to the working height.

7. Gas hob according to claim 6, characterized in that: at least one pot support leg (52) is an insulator with a hollow interior, the stove ignition circuit (4) is arranged below the panel (1) and is connected with the pot support ring (51) through a conductive piece (9), and the conductive piece (9) is inserted in the pot support leg (52) with the hollow interior and is connected with the pot support ring (51).

8. Gas hob according to claim 7, characterized in that: the pan support legs (52) are detachably arranged on the panel (1); the conductive piece (9) comprises a first conductive piece (91) and a second conductive piece (92), the first conductive piece (91) is inserted into the pot support leg (52) from bottom to top, and the bottom of the first conductive piece (91) is exposed under the pot support leg (52); the second conductive piece (92) is arranged on the panel (1) corresponding to the bottom of the first conductive piece (91) and is connected with the bottom of the first conductive piece (91) in an inserting mode, and the bottom of the second conductive piece (92) penetrates through the panel (1) and then is connected with the output end of the stove ignition circuit (4).

9. A gas hob according to any one of the claims 1 to 8, characterized in that: the panel (1) is convexly provided with at least one nozzle (11) for ejecting gas upwards, and the combustor (2) can be suspended above the nozzle (11) in a vertically moving manner; a gas mixing cavity (22) for gas and air to enter is arranged in the combustor (2), and an inlet (21) of the gas mixing cavity (22) is opposite to the nozzle (11).

10. Gas hob according to claim 9, characterized in that: the combustor (2) is provided with a magnetic part, the panel (1) is correspondingly provided with an electromagnet (12), and the electromagnet (12) can generate magnetism repulsive to the magnetic part when being electrified, so that the combustor (2) can move upwards and be suspended on the panel (1).

11. Gas hob according to claim 9, characterized in that: the vertical distance between a supporting surface used for supporting a pot on the pot supporting leg (52) and the top surface of the burner (2) which is completely suspended is not less than 20 mm; the vertical distance from the bottom surface of the burner (2) completely suspended to the panel (1) is not more than 30 mm.