CN219693306U

CN219693306U - Gas kitchen range

Info

Publication number: CN219693306U
Application number: CN202320553338.4U
Authority: CN
Inventors: 张洪博; 周华; 苏慧玲; 刘申昌; 俞瑜; 方晓艳
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-15
Anticipated expiration: 2033-03-17

Abstract

A gas cooker comprising: a burner (1); a detection device (2) for detecting the shape of the bottom of a pan above a burner (1) comprises: a moving member (21) which can move up and down relative to the burner (1); an elastic member (22) acting on the moving member (21) so that the moving member (21) always has a tendency to move upward to contact the bottom of the pan above the burner (1); the detection device (2) further comprises a Hall sensor (23) and a magnetic piece (24) positioned in an induction area of the Hall sensor (23), wherein one of the Hall sensor (23) and the magnetic piece (24) is fixed relative to the burner (1), and the other one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece (21), so that the Hall sensor (23) and the magnetic piece (24) can be relatively close to or far away from each other. Compared with the prior art, the utility model can more accurately detect the shape of the pan bottom.

Description

Gas kitchen range

Technical Field

The utility model belongs to the technical field of household kitchen ware, and particularly relates to a gas cooker.

Background

The bottom of the kitchen cooking pot has flat bottom, pointed bottom and other shapes, and in the existing gas cooker, corresponding execution actions need to be carried out according to the bottom shape above the burner under certain working scenes, for example, the dry-burning prevention cooker can formulate different dry-burning prevention protection temperatures based on the shapes of different bottoms and the measured bottom temperature, so how to accurately detect the bottom shape is a problem to be solved.

Therefore, the utility model patent of application number 202122011739.0 (CN 215597349U) discloses a structure, wherein the anti-dry heating temperature sensing probe comprises a moving part, an elastic element, a temperature measuring element, a force transducer and a fixed part, and the elastic element is used for contacting with the moving part and enabling the moving part to be clung to the bottom of a pot through elasticity; the temperature measuring element is arranged at the top of the moving part; the moving part changes the telescopic state of the elastic element through movement, the force transducer is used for measuring the elastic force of the elastic element, one end of the force transducer is abutted with the elastic element, and the other end of the force transducer is abutted with the fixed part.

The elastic force of the elastic element is measured by the force transducer to generate different feedback signals, so that the shape of the bottom of the pan can be identified according to the different feedback signals, but the self elastic force of the elastic element can be gradually reduced along with the increase of the using times, and the detection result of the force transducer is affected; in addition, the overflow of the soup during the cooking process or the cleaning water used during the cleaning process may affect the load cell, thereby affecting the detection result.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a gas cooker capable of accurately detecting the shape of a pan bottom aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a gas cooker capable of detecting the temperature of the bottom of a pot aiming at the current state of the art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a gas cooker comprising:

a burner;

a detection device for detecting bottom of a boiler shape above combustor, including:

a moving member capable of moving up and down with respect to the burner;

the elastic piece acts on the moving piece to enable the moving piece to always have a trend of moving upwards to be in contact with the pan bottom above the burner;

the detection device is characterized by further comprising:

the Hall sensor and the magnetic piece positioned in the induction area of the Hall sensor, one of the Hall sensor and the magnetic piece is fixed relative to the burner, and the other one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece, so that the Hall sensor and the magnetic piece can be relatively close to or far away from each other.

Therefore, based on the fact that one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece, the position of the magnetic piece relative to the Hall sensor is different, different detection signals can be obtained, and accordingly the shape of the bottom of the pot can be reflected according to the different detection signals, for example, when the bottom of the pot is a pointed bottom, the downward moving distance of the moving piece is large, and the Hall sensor obtains a signal I; when the bottom of the pan is flat, the downward moving distance of the moving part is smaller, and the Hall sensor obtains a second signal; in the utility model, one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece, so that the moving distance of the moving piece can be directly reflected, and the detection result is more accurate.

In order to avoid the influence of the high temperature of the burner on the magnetic part, the magnetic part can be selected from the existing high-temperature-resistant magnet, and the magnetic part can be arranged in a low-temperature area relatively far away from the burner.

Preferably, the hall sensor is fixed relative to the burner, and the magnetic member is capable of moving back and forth with the moving member to approach or separate from the hall sensor. Therefore, the liquid such as soup overflowed in the cooking process or cleaning water used in the cleaning process cannot influence the magnetic part, and the Hall sensor can be arranged in a place where the liquid cannot contact, such as a kitchen range chassis.

The stove is small in space in the up-down direction and large in space in the front-back or left-right direction, and for this purpose, preferably, the stove further comprises a transmission member, wherein the magnetic member is connected with the moving member through the transmission member, and the transmission member can convert the up-down movement of the moving member into the back-and-forth movement of the magnetic member in the horizontal direction. Therefore, the magnetic piece has a larger movable space, and the installation of other parts of the kitchen range cannot be influenced.

Preferably, the transmission member comprises a sleeve and a wire rope, the sleeve is fixed relative to the burner and is provided with a vertical section extending up and down and a transverse section folded from the lower end part of the vertical section to extend horizontally, the wire rope is arranged in the sleeve in a penetrating manner, the upper end part of the wire rope extends out of the upper port of the vertical section and is connected with the movable member, and the lower end part of the wire rope extends out of the port of the transverse section;

the magnetic member is constrained to a portion of the cord extending beyond the transverse segment port.

The wire rope is similar to an electric wire, has certain rigidity, can move back and forth along the sleeve under the action of the moving piece, and has a guiding function, so that the wire rope can only move back and forth along the sleeve integrally.

To further facilitate movement of the cord, the junction of the lateral and vertical sections of the sleeve is preferably a smooth arc section.

In order to ensure that the magnetic piece can be restrained on the wire rope, the box further comprises a box body with an opening at the top and a box cover arranged on the box body in a covering way, the magnetic piece is arranged in the box body through the opening, and the part of the wire rope extending out of the port of the transverse section is clamped between the box body and the box cover. Therefore, the magnetic piece can move along with the cotton rope, and the arrangement of the box body and the box cover can play a role in heat insulation to a certain extent, so that the influence of heat of the burner on the magnetic piece during working is reduced.

Preferably, the burner comprises an outer shell fixed relative to the burner, wherein the inner space of the outer shell extends along the moving direction of the magnetic piece so as to be used for restraining the box body and the box cover therein and moving along the box body and the box cover, and the side wall of the outer shell is provided with a perforation for the wire rope to pass through; the Hall sensor is arranged in the outer shell and is positioned above the box body and the box cover.

So, guarantee that the magnetic part can be located hall sensor's induction zone in the time, the shell body can also avoid hall sensor to receive the pollution. Similarly, the outer shell can play a role in heat insulation to a certain extent, and the influence of heat of the burner on the magnetic part during operation is reduced.

Preferably, the outer shell comprises a bottom box with a top opening and a top cover covering the top opening of the bottom box, the side wall of the bottom box is provided with the through holes, and the through holes extend up and down and penetrate through the edge of the top opening.

Preferably, the whole Hall sensor is plate-shaped, and a step for supporting the Hall sensor is arranged on the inner wall of the bottom box at a position below the top opening.

Further, the burner comprises a chassis, the chassis is arranged below the burner, and the magnetic piece is arranged in the chassis.

In order to further solve the second technical problem, preferably, a temperature sensor capable of contacting with the bottom of the pan is arranged at the top of the moving member; the wire rope is a conducting wire, and the upper end part of the wire rope is electrically connected with the temperature sensor. Therefore, the lead can output signals detected by the temperature sensor, simultaneously can connect the moving part with the Hall sensor, and can convert the up-and-down movement of the moving part into the back-and-forth movement of the magnetic part in the horizontal direction.

Compared with the prior art, the utility model has the advantages that: based on the fact that one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece, the position of the magnetic piece relative to the Hall sensor is different, different detection signals can be obtained, and therefore the shape of the bottom of the pot can be reflected according to the different detection signals, for example, when the bottom of the pot is a pointed bottom, the downward moving distance of the moving piece is large, and the Hall sensor obtains a signal I; when the bottom of the pan is flat, the downward moving distance of the moving part is smaller, and the Hall sensor obtains a second signal; in the utility model, one of the Hall sensor and the magnetic piece can move back and forth along with the moving piece, so that the moving distance of the moving piece can be directly reflected, and the detection result is more accurate.

Drawings

FIG. 1 is a schematic diagram of a detecting device according to an embodiment of the present utility model;

FIG. 2 is an exploded perspective view of FIG. 1;

FIG. 3 is a schematic view of a gas cooker in an embodiment of the utility model;

FIG. 4 is a cross-sectional view of a gas cooker in an embodiment of the utility model;

fig. 5 is an enlarged view of a portion a in fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 5, a preferred embodiment of a gas cooker according to the utility model comprises a burner 1, a detection device 2, a temperature sensor 5, a chassis 6 and a panel 7.

Wherein the chassis 6 is hollow inside and has an opening at the top. A panel 7 is provided on the opening at the top of the chassis 6 to close the opening. The burner 1 is provided on the panel 7.

The detecting device 2 is used for detecting the shape of the pan bottom above the burner 1, and comprises a moving member 21, an elastic member 22, a hall sensor 23, a magnetic member 24, a sleeve 25 and a string 26. Wherein the moving member 21 is provided in the center of the burner 1 so as to be movable up and down; the elastic member 22 is a spring which acts on the moving member 21 so that the moving member 21 always has a tendency to move upward to contact the bottom of the pan above the burner 1; the sleeve 25 is fixed relative to the burner 1 and is provided with a vertical section 251 extending up and down, a transverse section 252 folded from the lower end of the vertical section 251 to extend horizontally, and a circular arc section 253 with a smooth joint between the transverse section 252 and the vertical section 251, wherein the upper part of the vertical section 251 is positioned above the panel 7, and the lower part of the vertical section 251 and the transverse section 252 are positioned in the chassis 6 below the panel 7; the wire 26 is a conductive wire, which is arranged through the sleeve 25, the upper end of the wire 26 extends out of the upper port of the vertical section 251 and is connected with the moving piece 21, and the lower end of the wire 26 extends out of the port of the transverse section 252 and is positioned in the chassis 6; the Hall sensor 23 is arranged in the chassis 6 and is fixed relative to the burner 1; the magnetic member 24 is positioned within the sensing region of the hall sensor 23, and the magnetic member 24 is constrained to the portion of the cord 26 extending beyond the end of the lateral segment 252 and is movable back and forth with the cord 26 to move closer to or further away from the hall sensor 23.

The embodiment also comprises a box body 3 with an opening at the top and a box cover 31 covering the box body 3, the magnetic piece 24 is arranged in the box body 3 through the opening, and the part of the string 26 extending out of the port of the transverse section 252 is clamped between the box body 3 and the box cover 31, so that the magnetic piece 24 and the string 26 are restrained together. The magnetic device further comprises an outer shell 4 which is arranged on the chassis 6 and fixed relative to the chassis 6, wherein the outer shell 4 comprises a bottom box 41 with an open top and a top cover 42 which is arranged on the open top of the bottom box 41, the inner space of the bottom box 41 extends along the moving direction of the magnetic piece 24 so as to be used for constraining the box body 3 and the box cover 31 and moving along the box body, the side wall of the bottom box 41 is provided with a perforation 40 for the thread rope 26 to pass through, and the perforation 40 extends up and down and penetrates through the edge of the open top; meanwhile, a step 411 is arranged on the inner wall of the bottom box 41 at a position below the top opening; the hall sensor 23 is plate-shaped as a whole, is supported on the step 411, and is located above the case body 3 and the case cover 31.

The temperature sensor 5 is disposed at the top of the moving member 21, and is configured to contact with the bottom of the pan and detect the temperature of the bottom of the pan, and the temperature sensor 5 is electrically connected to the upper end portion of the cord 26. The temperature sensor 5 can play a role in preventing dry combustion. In addition, in the embodiment, the shape of the bottom of the pan is identified to be flat bottom or sharp bottom, so that the control and algorithm (which is the prior art) are optimized, and the usability of the pan on the dry burning prevention kitchen range is improved. The specific principle is as follows:

when actually sitting on the pan, the different cookers have different pressing displacement on the moving part 21, the pressing displacement interval is determined according to the different pan bottom depths of the tip pan and the pan, and then the detection, identification and control of the different cookers are achieved by optimizing the control algorithm and logic for preventing dry combustion through experiments.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. A gas cooker comprising:

a burner (1);

a detection device (2) for detecting the shape of the bottom of a pan above a burner (1) comprises:

a moving member (21) which can move up and down relative to the burner (1);

an elastic member (22) acting on the moving member (21) so that the moving member (21) always has a tendency to move upward to contact the bottom of the pan above the burner (1);

characterized in that the detection device (2) further comprises:

the device comprises a Hall sensor (23) and a magnetic piece (24) positioned in an induction area of the Hall sensor (23), wherein one of the Hall sensor (23) and the magnetic piece (24) is fixed relative to the burner (1), and the other one can move back and forth along with the moving piece (21), so that the Hall sensor (23) and the magnetic piece (24) can be relatively close to or far away from each other.

2. The gas cooker as claimed in claim 1, wherein: the Hall sensor (23) is fixed relative to the burner (1), and the magnetic piece (24) can move along with the moving piece (21) back and forth to be close to or far away from the Hall sensor (23).

3. The gas cooker as claimed in claim 2, wherein: the magnetic device is characterized by further comprising a transmission part, wherein the magnetic part (24) is connected with the moving part (21) through the transmission part, and the transmission part can convert the up-and-down movement of the moving part (21) into the back-and-forth movement of the magnetic part (24) in the horizontal direction.

4. The gas cooker as claimed in claim 3, wherein: the transmission part comprises a sleeve (25) and a wire rope (26), the sleeve (25) is fixed relative to the burner (1) and is provided with a vertical section (251) extending up and down and a transverse section (252) folded from the lower end part of the vertical section (251) to extend horizontally, the wire rope (26) is arranged on the sleeve (25) in a penetrating way, the upper end part of the wire rope (26) extends out of the upper port of the vertical section (251) and is connected with the moving part (21), and the lower end part of the wire rope (26) extends out of the port of the transverse section (252);

the magnetic member (24) is constrained to a portion of the cord (26) extending beyond the port of the transverse segment (252).

5. The gas cooker as claimed in claim 4, wherein: the joint of the transverse section (252) and the vertical section (251) of the sleeve (25) is a smooth arc section (253).

6. The gas cooker as claimed in claim 4, wherein: the magnetic piece (24) is arranged in the box body (3) through the opening, and the part of the rope (26) extending out of the port of the transverse section (252) is clamped between the box body (3) and the box cover (31).

7. The gas cooker as claimed in claim 6, wherein: the burner comprises a burner body (1), a burner cover (31) and an outer shell (4) fixed relative to the burner body (1), wherein the inner space of the outer shell (4) extends along the moving direction of the magnetic piece (24) so as to be used for restraining the box body (3) and the box cover (31) and moving along the box body, and a through hole (40) for allowing a rope (26) to pass through is formed in the side wall of the outer shell (4); the Hall sensor (23) is arranged in the outer shell (4) and is positioned above the box body (3) and the box cover (31).

8. The gas cooker as claimed in claim 7, wherein: the shell body (4) comprises a bottom box (41) with an opening at the top and a top cover (42) covering the opening of the bottom box (41), the side wall of the bottom box (41) is provided with the perforation (40), and the perforation (40) extends up and down and penetrates through the edge of the opening at the top.

9. The gas cooker as claimed in claim 8, wherein: the Hall sensor (23) is integrally plate-shaped, and a step (411) for supporting the Hall sensor (23) is arranged at a position below the top opening on the inner wall of the bottom box (41).

10. The gas cooker as claimed in claim 4, wherein: the burner also comprises a chassis (6) which is arranged below the burner (1), and the magnetic piece (24) is arranged in the chassis (6).

11. The gas cooker according to any one of claims 4 to 10, characterized in that: the top of the moving part (21) is provided with a temperature sensor (5) which can be contacted with the bottom of the pan; the wire rope (26) is a conducting wire, and the upper end part of the wire rope is electrically connected with the temperature sensor (5).