CN218328134U

CN218328134U - Burner for gas stove

Info

Publication number: CN218328134U
Application number: CN202222370177.3U
Authority: CN
Inventors: 郭达; 俞瑜
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-17
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a combustor for gas-cooker, including the combustor, the central point of combustor is provided with temperature sensor, its characterized in that: the combustor is including interior fire lid and outer fire lid, and the position of going out of the interior fire portion of interior fire lid goes out the fire position that the position is higher than the portion of going out fire of outer fire lid, compares with prior art, the utility model has the advantages of: this application promotes the height with the interior fire portion of going out of the less interior fire lid of heat load of combustor, reduces the distance of the fire portion of going out of temperature sensor and outer fire lid to reduce the heat radiation space, reduce the influence of flame to temperature sensor's temperature measurement precision, improve the temperature measurement precision, can suitably promote the thermal efficiency, the interior fire portion of going out of interior fire lid and the exterior fire portion of going out of outer fire lid stagger the burning in the space, be favorable to interior fire lid in time to supply secondary air.

Description

Burner for gas stove

Technical Field

The utility model relates to a gas-cooker field, concretely relates to a combustor for gas-cooker.

Background

At present, the dry burning preventing stove of the burner in the prior art, for example, chinese utility model patent No. ZL202021868536.2 (publication No. CN 213334367U) discloses a dry burning preventing stove burner including a furnace end, a distributor base, an inner ring fire cover, an outer ring fire cover and a telescopic temperature sensor, because the setting of the telescopic temperature sensor makes the central part of the inner ring fire cover have to reserve a cavity for setting the temperature sensor, the cavity makes the fire hole of the inner ring fire cover and the distance of the temperature sensor become very close on the premise of not changing the volume of the whole burner, thus easily causing another technical problem that: the distance between the temperature sensor and the fire hole is increased, so that the heat radiation space is increased, the temperature measurement precision of the inner ring flame on the temperature sensor is greatly influenced, and the stove for preventing dry burning is further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a combustor for gas-cooker that can reduce inner ring flame and exert an influence to temperature sensor's temperature measurement precision is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a combustor for gas-cooker, including the combustor, the central point of combustor is provided with temperature sensor, its characterized in that: the combustor includes:

the base is provided with an air supplement channel which is positioned in the center and penetrates up and down and a gas channel which is positioned at the periphery of the air supplement channel, the central part of the burner is the air supplement channel, and the temperature sensor is arranged in the air supplement channel by virtue of a bracket;

the separating ring is arranged in the gas channel and is used for separating the gas channel into an inner gas channel and an outer gas channel which are arranged inside and outside;

the inner fire cover is arranged on the inner gas channel, forms an inner gas mixing cavity communicated with the inner gas channel and comprises an inner fire outlet part communicated with the inner gas mixing cavity; and

the outer fire cover is arranged on the outer gas channel, is formed with an outer gas mixing cavity communicated with the outer gas channel, and comprises an outer fire outlet part communicated with the outer gas mixing cavity, and the fire outlet position of the inner fire outlet part is higher than the fire outlet position of the outer fire outlet part.

Furthermore, the inner fire outlet part of the inner fire cover is in a circular seam form and is integrally arranged with the outer fire cover. Because the interior fire portion of going out of interior fire lid is higher than the setting of the portion of going out of outer fire lid, the less interior fire lid lift height of heat load with the combustor, reduce the distance of the portion of going out fire of temperature sensor and outer fire lid, thereby reduce the heat radiation space, reduce the influence of flame to temperature sensor's temperature measurement precision, improve the temperature measurement precision, in addition, because the interior fire portion of going out of interior fire lid can suitably promote the thermal efficiency for the circumferential weld form, set up interior fire lid and outer fire lid into an organic whole form again and can reduce the cost, reduce the heat radiating area of combustor simultaneously, help promoting the thermal efficiency.

In order to realize the integral arrangement of the outer fire cover and the inner fire cover, and from the structural simple realization point of view, preferably, the outer fire cover comprises an annular body, the body comprises an annular top wall, an inner annular wall vertically or obliquely extending downwards from the inner side edge of the annular top wall, and an outer annular wall vertically or obliquely extending downwards from the outer side edge of the annular top wall, at least two outer fire outlet parts communicated with the outer gas mixing cavity are arranged on the outer annular wall at intervals along the circumferential direction, the inner annular wall extends upwards to form an extension section higher than the annular top wall, and the extension section forms the arrangement area of the inner fire outlet parts.

In order to hold the flame and hold the portion of putting out a fire in the ring gap form of interior fire lid, preferably, interior fire lid including with the relative inner wall that sets up of extension section and the top of being connected inner wall and extension section, inner wall, extension section and top form jointly interior gas mixing chamber, the extension section still is provided with the portion of putting out a fire and with the steady flame portion that interior gas mixing chamber communicates in can being used for holding. The flame stabilizing part realizes the flame outlet part in the circular seam and can pull the circular seam to play the effect of stabilizing flame.

In order to realize that the inner fire cover and the outer fire cover share the same ejection pipe, from the perspective of simplifying the structure, preferably, the base is provided with a connecting seat for connecting the base and the ejection pipe, and the connecting seat comprises an outer connecting port communicated with the outer gas mixing cavity and an inner connecting port arranged side by side with the outer connecting pipe.

Furthermore, the ejector pipe is divided into a contraction part according to the flowing direction of the airflow, and at least two primary air inlet parts are arranged on the lower wall of the contraction part, which is adjacent to the air inlet section of the ejector pipe. The problem that the mixed air capacity of the parallel jet flow at the air inlet section of the injection pipe is weak is relieved by the primary air inlet part, the primary air coefficient is enhanced, and the combustion efficiency is improved.

Compared with the prior art, the utility model has the advantages of: the inner fire outlet part of the inner fire cover with smaller heat load of the burner is lifted, and the distance between the temperature sensor and the outer fire outlet part of the outer fire cover is reduced, so that the heat radiation space is reduced, the influence of flame on the temperature measurement precision of the temperature sensor is reduced, the temperature measurement precision is improved, the heat efficiency can be properly improved, in addition, the fire outlet position of the inner fire outlet part of the inner fire cover is higher than the fire outlet position of the outer fire outlet part of the outer fire cover, on one hand, the distance between the flame and the pot bottom is reduced, and the convective heat transfer of the flame of the pot bottom and the inner fire outlet part of the inner fire cover is strengthened; on the other hand, the burning that staggers in the space of the interior portion of going out of fire of interior fire lid and the portion of going out of fire of outer fire lid is favorable to interior fire lid in time to supply secondary air, avoids or reduces outer fire lid burning consumption secondary air's influence, has promoted inner ring's combustion efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a burner according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a cross-sectional view of the inner fire cover and the outer fire cover integrally formed in the embodiment of the present invention;

fig. 6 is a schematic structural view of an injection pipe in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, for the best implementation of the present invention, the burner 1 for gas stove in this embodiment comprises a burner 1, a temperature sensor 2 is disposed at the central portion of the burner 1, and the burner 1 further comprises a base 11, the base 11 has a central air replenishing channel 111 penetrating up and down and a gas channel 112 disposed at the periphery of the air replenishing channel 111, the central portion of the burner 1 is the air replenishing channel 111, and the temperature sensor 2 is disposed in the air replenishing channel 111 by means of a bracket, and a separating ring 20 disposed in the gas channel 112, the separating ring 20 can divide the gas channel 112 into an inner gas channel 1121 and an outer gas channel 1122 disposed inside and outside, wherein an inner fire cover 3 is disposed on the inner gas channel 1121, the inner fire cover 3 is formed with an inner gas mixing cavity 31 communicating with the inner gas channel 1121, and an inner fire outlet 32 communicating with the inner gas mixing cavity 31 is disposed on the inner fire cover 3; an outer fire cover 4 is provided on the outer gas channel 1122, an outer air mixing chamber 41 communicating with the outer gas channel 1122 is formed in the outer fire cover 4, an outer fire outlet 42 communicating with the outer air mixing chamber 41 is provided on the outer fire cover 4, and a fire outlet position of the inner fire outlet 32 is higher than a fire outlet position of the outer fire outlet 42. The height of the inner fire outlet part 32 of the inner fire cover 3 with smaller heat load of the burner 1 is increased, and the distance between the temperature sensor 2 and the outer fire outlet part 42 of the outer fire cover 4 is reduced, so that the heat radiation space is reduced, the influence of flame on the temperature measurement precision of the temperature sensor 2 is reduced, the temperature measurement precision is improved, and the heat efficiency can be properly improved; on the other hand, the inner fire outlet part 32 of the inner fire cover 3 and the outer fire outlet part 42 of the outer fire cover 4 are staggered in space for combustion, so that secondary air can be supplemented to the inner fire cover 3 in time, the influence of secondary air consumed by combustion of the outer fire cover 4 is avoided or reduced, and the combustion efficiency of the inner ring is improved.

Specifically, the inner fire outlet portion 32 of the inner fire cover 3 of the present embodiment is in the form of a circular seam and is integrally provided with the outer fire cover 4. Because the interior fire portion 32 of going out of interior fire lid 3 is higher than the setting of the fire portion 42 of going out of outer fire lid 4, the less interior fire lid 3 with the heat load of combustor 1 promotes the height, reduce the distance of the outer fire portion 42 of temperature sensor 2 and outer fire lid 4, thereby reduce the heat radiation space, reduce the influence of flame to temperature sensor 2's temperature measurement precision, improve the temperature measurement precision, additionally, because the interior fire portion 32 of going out of interior fire lid 3 can suitably promote the thermal efficiency for the circumferential weld form, set up integrative form ability reduce cost with interior fire lid 3 and outer fire lid 4 again, reduce the heat radiating area of combustor 1 simultaneously, help promoting the thermal efficiency. In order to realize the integral arrangement of the outer fire cover 4 and the inner fire cover 3, and from the structural realization of simplicity, the outer fire cover 4 comprises an annular body, the body comprises an annular top wall 43, an inner annular wall 44 vertically or obliquely extending downwards from the inner side edge of the annular top wall 43, and an outer annular wall 45 vertically or obliquely extending downwards from the outer side edge of the annular top wall 43, at least two outer fire parts 42 communicated with the outer fire mixing chamber 41 are circumferentially arranged on the outer annular wall 45 at intervals, an extending section 46 higher than the annular top wall 43 is upwards extended from the inner annular wall 44, the extending section 46 forms an arrangement area of the inner fire outlet part 32, correspondingly, the inner fire cover 3 comprises an inner wall 33 opposite to the extending section 46 and a top part 34 connecting the inner wall 33 with the extending section 46, the inner wall 33, the extending section 46 and the top part 34 jointly form the inner fire mixing chamber 31, and the extending section 46 is further provided with a flame part 47 capable of stabilizing the inner fire outlet part 32 and communicating with the inner fire mixing chamber 31. The flame stabilizing part 47 realizes the flame outlet part in the circular seam, and can pull the circular seam to play the effect of stabilizing flame.

In order to realize that the inner fire cover 3 and the outer fire cover 4 share one ejector tube 5, the base 11 of the embodiment is provided with a connecting seat 113 for connecting the base 11 with the ejector tube 5, and the connecting seat 113 comprises an outer connecting port 1131 communicated with the outer air mixing cavity 41 and an inner connecting port 1132 arranged side by side with the outer connecting pipe. The injection pipe 5 is divided into a contraction part according to the flowing direction of the airflow, and at least two primary air inlet parts 51 are arranged on the lower wall of the contraction part, which is adjacent to the air inlet section of the injection pipe 5. The primary air inlet part 51 relieves the problem that the mixed air capacity of the parallel jet flow at the air inlet section of the injection pipe 5 is weak, the primary air coefficient is enhanced, and the combustion efficiency is improved.

Finally, the bottom of the base 11 is designed to have a 30-degree climbing characteristic along the injection direction, so that the upward movement of air flow is promoted, and the design is favorable for the gas and the primary air to generate an upward-guiding wall-sticking effect under the injection effect of the injection pipe 5, so that the gas mixture formed by the gas and the primary air is uniformly and rapidly distributed to the inner fire cover 3 and the outer fire cover 4.

Claims

1. The utility model provides a combustor for gas-cooker, is including combustor (1), the central part of combustor (1) is provided with temperature sensor (2), its characterized in that: the burner (1) comprises:

a base (11) having a central air supply passage (111) extending vertically therethrough and a gas passage (112) formed at the periphery of the air supply passage (111), wherein the central portion of the burner (1) is the air supply passage (111), and the temperature sensor (2) is disposed in the air supply passage (111) by means of a bracket;

a separating ring (20) arranged in the gas channel (112) and used for separating the gas channel (112) into an inner gas channel (1121) and an outer gas channel (1122) which are arranged inside and outside;

the inner fire cover (3) is arranged on the inner gas channel (1121), is provided with an inner gas mixing cavity (31) communicated with the inner gas channel (1121) and comprises an inner fire outlet part (32) communicated with the inner gas mixing cavity (31); and

the outer fire cover (4) is arranged on the outer gas channel (1122), is formed with an outer gas mixing cavity (41) communicated with the outer gas channel (1122), and comprises an outer fire outlet part (42) communicated with the outer gas mixing cavity (41), and the fire outlet position of the inner fire outlet part (32) is higher than the fire outlet position of the outer fire outlet part (42).

2. Burner for gas cooktops, according to claim 1, characterized in that: the inner fire outlet part (32) of the inner fire cover (3) is in a circular seam form and is integrally arranged with the outer fire cover (4).

3. Burner for gas cooktops, according to claim 2, characterized in that: the outer fire cover (4) comprises an annular body, the body comprises an annular top wall (43), an inner annular wall (44) and an outer annular wall (45), the inner annular wall (44) vertically or obliquely extends downwards from the inner side edge of the annular top wall (43), the outer annular wall (45) vertically or obliquely extends downwards from the outer side edge of the annular top wall (43), at least two outer fire outlet portions (42) communicated with the outer gas mixing cavity (41) are formed in the outer annular wall (45) at intervals in the circumferential direction, an extending section (46) higher than the annular top wall (43) extends upwards from the inner annular wall (44), and the extending section (46) forms a setting area of the inner fire outlet portion (32).

4. Burner for gas cooktops according to claim 3, characterized in that: interior fire lid (3) including with inner wall (33) that extension (46) set up relatively and top (34) of being connected inner wall (33) and extension (46), inner wall (33), extension (46) and top (34) form jointly interior gas mixing chamber (31), extension (46) still are provided with and can be used for surely go out fire portion (32) in and with interior gas mixing chamber (31) intercommunication steady flame portion (47).

5. The burner for gas range according to any one of claims 1 to 4, wherein: the base (11) is provided with a connecting seat (113) used for connecting the base (11) and the injection pipe (5), and the connecting seat (113) comprises an external connecting port (1131) communicated with the external air mixing cavity (41) and an internal connecting port (1132) arranged side by side with the external connecting pipe.

6. Burner for gas cooktops, according to claim 5, characterized in that: the injection pipe (5) is divided into a contraction part according to the flowing direction of air flow, and at least two primary air inlet parts (51) are arranged on the lower wall of the contraction part, which is adjacent to the air inlet section of the injection pipe (5).