CN216868546U

CN216868546U - Fire cover, combustor and gas-cooker

Info

Publication number: CN216868546U
Application number: CN202220106635.XU
Authority: CN
Inventors: 任富佳; 曾庆中
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-01
Anticipated expiration: 2032-01-14

Abstract

The utility model provides a fire cover, a burner and a gas stove, and relates to the technical field of gas stoves. The burner includes a fire cover. The gas stove comprises a burner. Through this fire lid, having alleviated the influence that exists because inner circle flame among the prior art, the temperature that causes temperature sensor to survey is bigger with the temperature error at the bottom of the actual pot, and the temperature measurement is inaccurate to cause the technical problem of misjudgement, reached the accurate technological effect of temperature measurement.

Description

Fire cover, combustor and gas-cooker

Technical Field

The utility model relates to the technical field of gas cookers, in particular to a fire cover, a burner and a gas cooker.

Background

Along with the improvement of living standard of people, the concept of healthy diet is gradually deepened into people's mind, but the temperature is not easy to control in the cooking process of using a common gas stove, food is easy to burn and smoke due to overheating, and substances such as benzopyrene and heterocyclic amine which cause carcinogenesis of people are generated, so that the rapid, accurate and intelligent control of the temperature in a cooker becomes an inevitable trend and demand.

The existing gas stove for preventing dry burning or with intelligent control generally adopts a contact type temperature sensor to detect the temperature of the bottom of the pot, adopts a scheme of increasing the number of heat insulation layers to reduce the influence of flame radiant heat and hot air on the sensor, but still is greatly influenced by the radiant heat of flame, especially for a burner with multi-circle flame, because of the influence of inner-circle flame, the error between the temperature detected by the temperature sensor and the actual temperature of the bottom of the pot is larger, the temperature measurement is inaccurate, and thus misjudgment is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fire cover, a burner and a gas stove, which are used for solving the technical problems of the prior art that the error between the temperature detected by a temperature sensor and the actual temperature of a pot bottom is larger and the temperature measurement is inaccurate due to the influence of inner ring flame, so that the misjudgment is caused.

In a first aspect, the present invention provides a fire lid comprising: the inner ring fire cover and the outer ring fire cover of the inner ring fire cover are arranged, the inner ring fire cover comprises a fire cover body with a center hole, the side wall of the fire cover body is provided with an inner ring fire outlet hole separated from the center hole along the circumferential direction, and the top end of the fire cover body is arranged along the axial direction of the center hole and extends outwards to form a sensor fire prevention ring.

Further, the circumference of sensor fire collar is equipped with the oxygen suppliment annular, the oxygen suppliment annular with the centre bore intercommunication.

Furthermore, the caliber of the oxygen supply ring groove is sequentially increased outwards along the radial direction.

Furthermore, the lower side wall of the oxygen supply ring groove is obliquely extended from inside to outside from high to low.

Further, the oxygen supply ring groove is arranged close to the bottom of the sensor fire-proof ring;

and/or the inner ring fire outlet hole is arranged close to the top of the fire cover body.

Further, the inner ring fire outlet holes comprise a plurality of groups of inner ring fire communication holes arranged in the fire cover body and fire outlet hole ring grooves communicated with the inner ring fire communication holes;

go out the upside lateral wall of fire hole annular with the same lateral wall of downside lateral wall sharing of oxygen suppliment annular, and be used for with the oxygen suppliment annular with go out the fire hole annular and separate.

Furthermore, the fire hole ring groove is obliquely arranged from high to low along the gas discharge direction from inside to outside.

Furthermore, a plurality of groups of middle ring fire communication holes are also arranged in the fire cover body, and the middle ring fire communication holes and the outer peripheral sides of the inner ring fire communication holes are arranged;

the multiunit the export of well fire intercommunicating pore is seted up in go out on the extension line of the downside lateral wall of fire hole annular, just well fire intercommunicating pore inclines upward the slope along gas outgoing direction from interior to exterior.

Has the advantages that:

according to the fire cover provided by the utility model, the side wall of the fire cover body is circumferentially provided with the inner ring fire outlet hole separated from the central hole, and when the fire cover is used specifically, inner ring fire gas can be discharged through the inner ring fire outlet hole; because the top of fire lid body outwards extends along the axial of centre bore and forms the sensor fire collar, inner ring flame receives the inside that can not enter into the sensor fire collar of blockking of sensor fire collar to reduce the influence of inner ring flame to sensor detection bottom of a boiler temperature. Therefore, the sensor fire collar can prevent the flame of the inner ring from burning towards the inside of the sensor fire collar, so that the sensor arranged in the sensor fire collar cannot be influenced, the accuracy of the temperature of the pot bottom detected by the sensor is improved, and the service life of the sensor is prolonged.

In a second aspect, the present invention provides a burner comprising: a burner base, a temperature sensor and a fire lid according to any of the preceding embodiments;

the temperature sensor is provided with an induction end and an installation end, the induction end is arranged on the inner side of the sensor fire-proof ring, and the installation end penetrates through the central hole and is fixedly connected to the furnace head base.

Has the advantages that:

the burner provided by the utility model comprises the fire cover; thus, the technical advantages and effects achieved by the burner, including those achieved by the fire cover, are not described in detail herein.

In a third aspect, the present invention provides a gas range comprising: the burner as described in the previous embodiments.

Has the advantages that:

the gas stove provided by the utility model comprises the burner; therefore, the technical advantages and effects achieved by the gas stove also comprise those achieved by the burner, which are not described in detail herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an inner ring fire cover in a fire cover according to an embodiment of the present invention;

FIG. 2 is a top view of an inner ring fire cover in the fire cover provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural diagram of a burner provided in an embodiment of the present invention;

FIG. 5 is a top view of a combustor provided in accordance with an embodiment of the present invention;

fig. 6 is a sectional view taken along line B-B of fig. 5.

Icon:

100-inner ring fire cover; 110-a fire lid body; 120-sensor collar; 111-a central hole; 112-inner ring fire outlet; 113-middle ring fire communication hole; 121-oxygen supply ring groove; 1121-inner ring fire communication hole; 1122-fire hole ring groove;

200-a burner base;

300-temperature sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.

Example one

Referring to fig. 1 to 3, in the first embodiment, a fire cover is provided, which includes an inner ring fire cover 100 and an outer ring fire cover disposed on the inner ring fire cover 100, the inner ring fire cover 100 includes a fire cover body 110 having a central hole 111, a side wall of the fire cover body 110 is circumferentially provided with an inner ring fire outlet hole 112 separated from the central hole 111, and a top end of the fire cover body 110 extends outwards along an axial direction of the central hole 111 to form a sensor fire collar 120.

In the fire cover provided by the embodiment, the side wall of the fire cover body 110 is circumferentially provided with the inner ring fire outlet 112 separated from the central hole 111, and when the fire cover is used specifically, the inner ring fire gas can be discharged through the inner ring fire outlet 112; because the top end of the fire cover body 110 extends outwards along the axial direction of the central hole 111 to form the sensor fire collar 120, inner ring flame is blocked by the sensor fire collar 120 and cannot enter the inner part of the sensor fire collar 120, and therefore the influence of the inner ring flame on the temperature of the sensor detection pot bottom is reduced. Therefore, the sensor fire collar 120 can prevent the inner ring flame from burning into the sensor fire collar 120, so that the sensor arranged in the sensor fire collar 120 is not affected, and the accuracy of the sensor for detecting the temperature of the pan bottom is improved and the service life of the sensor is prolonged.

Referring to fig. 3, an oxygen supply ring groove 121 is formed in the circumferential direction of the sensor fire collar 120, and the oxygen supply ring groove 121 is communicated with the central hole 111; the oxygen supply ring groove 121 can supply secondary air to the inner ring fire and the middle ring fire, so that the combustion is more complete; meanwhile, the secondary air flowing through the oxygen supply ring groove 121 can play a role in cooling the temperature sensor on the inner side of the sensor fire-proof ring 120, so that the sensor can detect the temperature of the pan bottom more accurately.

Further, the caliber of the oxygen supply ring groove 121 is sequentially increased radially outward, so that the secondary air can smoothly flow out to supplement the inner ring fire and the middle ring fire, and the secondary air is more sufficiently combusted.

Furthermore, the lower sidewall of the oxygen supply ring groove 121 is inclined from inside to outside and extends from high to low, so that the supply or flow direction of the secondary air can be changed according to the inclination angle, and the secondary air can be better supplied to the inner ring fire and the middle ring fire.

In this embodiment, the oxygen supply ring groove 121 is disposed near the bottom of the sensor fire-proof ring 120, and the inner ring fire outlet 112 is disposed near the top of the fire cover body 110, so that the path for supplying secondary air to the inner ring fire and the middle ring fire is shortened.

Referring to fig. 3, the inner ring fire outlet 112 includes a plurality of inner ring fire communication holes 1121 formed in the fire lid body 110 and a fire outlet ring groove 1122 communicated with the plurality of inner ring fire communication holes 1121; go out the same lateral wall of upside lateral wall and the downside lateral wall sharing of oxygen suppliment annular 121 of fire hole annular 1122 to separate oxygen suppliment annular 121 and fire hole annular 1122, so set up, be favorable to optimizing and simplifying the overall structure of inner ring fire lid 100, reduction in production and processing cost.

Furthermore, the fire hole ring slot 1122 is arranged in a manner of inclining from high to low along the gas discharge direction from inside to outside, so that the shared side wall of the upper side wall of the fire hole ring slot 1122 and the lower side wall of the oxygen supply ring slot 121 can be used as a soup-proof ring, and when in use, the blockage of a tiny fire hole can be prevented when soup in the pot overflows; in addition, the inner ring fire flame can face the outer side of the burner, and a large area of the pot bottom area can be heated under the condition of using extremely small fire.

Referring to fig. 3 again, a plurality of sets of middle ring fire communication holes 113 are further formed in the fire cover body 110, and the outer peripheral sides of the middle ring fire communication holes 113 and the inner ring fire communication holes 1121; the outlets of the plural sets of middle ring fire communication holes 113 are opened on the extension line of the lower side wall of the fire outlet ring groove 1122, and the middle ring fire communication holes 113 are inclined upward from inside to outside along the gas discharge direction, so that the inner ring fire cover 100 has a compact overall structure, and the inner ring fire communication holes 1121 and the middle ring fire communication holes 113 are conveniently opened on the fire cover body 110 of the inner ring fire cover 100 in sequence.

Example two

Referring to fig. 4 to 6, the second embodiment provides a burner, which includes a burner base 200, a temperature sensor 300 and a fire cover of the first embodiment; the temperature sensor 300 has an induction end and a mounting end, the induction end is disposed at the inner side of the sensor fire collar 120, and the mounting end penetrates through the central hole 111 and is fixedly connected to the burner base 200. The burner provided by the embodiment comprises the fire cover; thus, the technical advantages and effects achieved by the burner, including those achieved by the fire cover, are not described in detail herein.

Specifically, during installation, the installation end of the temperature sensor 300 may be installed on the fixing base, and then the fixing base is installed on the burner base. In the actual installation process, the temperature sensor 300 can be installed on the furnace head seat firstly, then the fire distribution seat is installed on the furnace head seat, wherein the fire distribution seat is provided with an installation hole for penetrating the temperature sensor 300, and finally, the fire cover can be installed on the fire distribution seat.

EXAMPLE III

The third embodiment provides a gas stove, which includes the burner of the second embodiment. The gas stove provided by the utility model comprises the burner; therefore, the technical advantages and effects achieved by the gas stove also comprise those achieved by the burner, which are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A fire lid comprising: interior ring fire lid (100) with locate the outer loop fire lid of inner ring fire lid (100), its characterized in that, interior ring fire lid (100) is including fire lid body (110) that have centre bore (111), the lateral wall of fire lid body (110) along circumference be equipped with the interior ring fire that centre bore (111) cut off mutually goes out fire hole (112), the top of fire lid body (110) is followed the outside formation sensor fire collar (120) that extends of axial of centre bore (111).

2. The fire lid according to claim 1, wherein the sensor collar (120) is circumferentially provided with an oxygen supply ring groove (121), and the oxygen supply ring groove (121) is communicated with the central hole (111).

3. Fire cover according to claim 2, characterised in that the apertures of the oxygen supply ring grooves (121) are arranged to increase in radial direction outwards in succession.

4. The fire cover according to claim 2, wherein the lower side wall of the oxygen supply ring groove (121) is inclined from high to low from inside to outside.

5. The fire cover of claim 2, wherein the oxygen supply ring groove (121) is disposed proximate a bottom of the sensor collar (120);

and/or the inner ring fire outlet hole (112) is arranged close to the top of the fire cover body (110).

6. The fire lid as claimed in claim 2, wherein the inner ring fire hole (112) comprises a plurality of sets of inner ring fire communication holes (1121) provided inside the fire lid body (110) and a fire hole ring groove (1122) communicating with each of the plurality of sets of inner ring fire communication holes (1121);

the upper side wall of the fire hole ring groove (1122) and the lower side wall of the oxygen supply ring groove (121) share the same side wall, and the oxygen supply ring groove (121) is separated from the fire hole ring groove (1122).

7. The fire cover according to claim 6, wherein the fire hole ring groove (1122) is inclined from high to low in a gas discharge direction from inside to outside.

8. The fire lid as claimed in claim 6, wherein the fire lid body (110) is further provided with a plurality of sets of middle ring fire communication holes (113) inside, and the middle ring fire communication holes (113) and the outer peripheral side of the inner ring fire communication holes (1121);

the export of multiunit well fire intercommunicating pore (113) is seted up on the extension line of the downside lateral wall of play fire hole annular groove (1122), just well fire intercommunicating pore (113) sets up along gas outgoing direction from interior to exterior slant top slope.

9. A burner, comprising: a burner base (200), a temperature sensor (300) and a fire lid according to any one of claims 1 to 8;

the temperature sensor (300) is provided with an induction end head and a mounting end head, the induction end head is arranged on the inner side of the sensor fire-proof ring (120), and the mounting end head penetrates through the central hole (111) and is fixedly connected to the stove head base (200).

10. A gas range, comprising: the burner of claim 9.