CN112032777A - Dry burning prevention device and gas stove - Google Patents

Dry burning prevention device and gas stove Download PDF

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Publication number
CN112032777A
CN112032777A CN202011037431.7A CN202011037431A CN112032777A CN 112032777 A CN112032777 A CN 112032777A CN 202011037431 A CN202011037431 A CN 202011037431A CN 112032777 A CN112032777 A CN 112032777A
Authority
CN
China
Prior art keywords
heat insulation
temperature sensor
heat insulating
ring
central fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011037431.7A
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Chinese (zh)
Inventor
邓祥
王光汉
周文通
孙帅
段聪聪
王运发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202011037431.7A priority Critical patent/CN112032777A/en
Publication of CN112032777A publication Critical patent/CN112032777A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • F24C3/126Arrangement or mounting of control or safety devices on ranges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • F23D14/58Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The invention discloses an anti-dry-burning device which comprises a furnace end, wherein an outer ring fire cover is arranged on the furnace end, a central fire cover is arranged in the outer ring fire cover, a temperature sensor is arranged on the central fire cover, and a heat insulation structure is sleeved outside the temperature sensor to prevent flame from directly contacting the temperature sensor, so that the temperature sensing accuracy of the temperature sensor is improved. Still disclose a gas-cooker, including the drain pan, fixedly connected with panel on the drain pan, be provided with on the panel and have as above prevent dry combustion method device. The invention provides a gas stove.A heat insulation structure is sleeved outside a temperature sensor of a central fire cover, so that flame of a burner is prevented from baking a telescopic temperature sensor, the durability and the temperature sensing accuracy of the telescopic temperature sensor are enhanced, the misjudgment on the temperature is prevented, and the user experience is improved; the occurrence of personal safety injury or other accidents which can be caused to the user is reduced.

Description

Dry burning prevention device and gas stove
Technical Field
The invention relates to the technical field of kitchen utensils, in particular to an anti-dry-burning device and a gas stove.
Background
The household gas cooker usually uses natural gas or liquefied gas as fuel, certain potential safety hazard can exist when the household gas cooker is used improperly, especially, the household gas cooker always burns to work under the condition that no cooking materials are placed in a cooker or no cooking pot, and the combustion temperature is too high, so that the gas cooker is damaged, the cooker is damaged, and even a fire disaster is generated. In the dry-burning-proof gas stove in the prior art, when dry burning occurs in a cooker, the gas stove can automatically cut off gas to close flame, so that accidents are prevented, and the dry-burning-proof gas stove becomes the best choice for many users. But traditional prevent dry combustion method combustor includes the structure that outer loop fire covered and central fire covered usually, sets up the telescopic temperature sensor who surveys the pan temperature in the middle of combustor central fire covered, and the design of central fire lid then can not prevent central flame to telescopic temperature sensor's baking to reduce telescopic temperature sensor's the temperature sensing degree of accuracy, lead to telescopic temperature sensor to take place the erroneous judgement to the interior actual state of pan, cause user experience to feel not good.
Disclosure of Invention
The invention aims to provide an anti-dry heating device and a gas stove, and aims to solve the technical problems that a temperature sensor of the anti-dry heating device is easily influenced by flame and has low precision in the background technology.
In order to achieve the purpose, the specific technical scheme of the dry burning prevention device and the gas stove is as follows:
the utility model provides a prevent dry combustion method device, includes the furnace end, is provided with outer loop fire lid on the furnace end, is provided with central fire lid in the outer loop fire lid, and central fire is covered and is provided with temperature sensor, still includes thermal-insulated structure, and thermal-insulated structure cover is established outside temperature sensor to thereby improve temperature sensor's the temperature sensing degree of accuracy with temperature sensor direct contact.
Further, the upper surface of the central fire cover is provided with a flange, and a guide block is arranged on the flange, so that the guide block is matched with the heat insulation structure.
Furthermore, the shoulder hole has been seted up to central fire lid, and the hole setting that the shoulder hole internal diameter is little is in the bottom of central fire lid, and the hole setting that the internal diameter is big is on the top of central fire lid to make temperature sensor's top extend to the shoulder hole outside.
Further, the heat insulation structure comprises a first heat insulation ring, a second heat insulation ring is arranged on the bottom surface of the first heat insulation ring, the inner diameter of the first heat insulation ring is larger than that of the second heat insulation ring, at least one guide groove is formed in the outer wall of the second heat insulation ring, and the guide groove is used for being matched with a guide block on the flange.
Furthermore, the two sides of the guide groove are provided with grooves for accommodating the guide block, and when the guide block slides to the bottom surface of the first heat insulation ring along the guide groove, the guide block is clamped into the grooves by the rotary heat insulation structure, so that the bottom surface of the guide block is abutted to the bottom surface of the groove.
Further, first heat insulating ring and second heat insulating ring are integrated into one piece structure, and the outer wall of second heat insulating ring is equidistant to be provided with a plurality of guide ways, and recess and guide way set up in turn.
Further, guide way and recess setting are provided with the interval in the vertical direction at the outer wall bottom of second heat insulating ring, the lower surface and the guide way of first heat insulating ring.
Furthermore, still be provided with the elastic component in the central fire lid, the lower surface of elastic component and the bottom surface of shoulder hole contact, and the upper surface of elastic component and the lower surface of second heat insulating ring contact to make thermal-insulated structure flexible.
Furthermore, thermal-insulated structure includes the telescopic link, and the top of telescopic link is provided with the turn-ups perpendicularly, and the outer wall cover of telescopic link is equipped with the elastic component.
A gas stove comprises a bottom shell, wherein a panel is fixedly connected to the bottom shell, and the panel is provided with the dry burning prevention device.
The dry burning prevention device and the gas stove have the following advantages that:
the invention provides an anti-dry heating device.A heat insulation structure is sleeved outside a temperature sensor of a central fire cover, so that the flame of the central fire cover is prevented from baking a telescopic temperature sensor, the durability and the temperature sensing accuracy of the telescopic temperature sensor are enhanced, the misjudgment on the temperature is prevented, and the user experience is improved; the occurrence of personal safety injury or other accidents which can be caused to the user is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the dry burning prevention device of the present invention;
FIG. 2 is an exploded view of the dry-fire prevention device of the present invention;
FIG. 3 is a cross-sectional view of the dry-fire prevention device of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic view of the structure of the fire lid of the present invention;
FIG. 6 is a schematic structural view of the thermal insulation structure of the present invention;
FIG. 7 is a structural diagram of the gas range of the present invention showing the operation state of the pan;
fig. 8 is a structural schematic diagram of the working state of the wok for placing the gas stove.
The reference numbers in the figures illustrate: 1. a furnace end; 2. a gas distribution plate; 3. an outer ring fire cover; 4. a central fire cover; 41. a guide block; 42. a flange; 5. a thermally insulating structure; 51. a first heat insulating ring; 52. a second heat insulating ring; 53. a guide groove; 54. a groove; 6. a temperature sensor; 7. a spring; 8. a screw; 9. a pot.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the dry burning prevention device and the gas range of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides an anti-dry-burning device, which comprises a furnace end 1, wherein an outer ring fire cover 3 is arranged on the furnace end 1, a central fire cover 4 is arranged in the outer ring fire cover 3, a temperature sensor 6 is arranged on the central fire cover 4, and a heat insulation structure 5 is further included, the heat insulation structure 5 is sleeved outside the temperature sensor 6 to prevent flame from directly contacting the temperature sensor 6, so that the temperature sensing accuracy of the temperature sensor 6 is improved.
The shoulder hole has been seted up to central fire lid 4, and central fire lid 4 upper surface is provided with flange 42 along the circumference of shoulder hole, is provided with guide block 41 on the flange 42, and guide block 41 cooperatees with thermal-insulated structure 5 to make thermal-insulated structure 5 be provided with in the shoulder hole of central fire lid 4 and central fire lid 4 cooperatees.
The less hole of shoulder hole internal diameter sets up in the bottom of central fire lid 4, and the great hole setting of internal diameter is on the top of central fire lid 4 to make temperature sensor 6 extend to the great hole of diameter through the less hole of diameter and cover the upper surface of 4 until temperature sensor 6 extends central fire.
As shown in fig. 3 to 6, the heat insulation structure 5 includes a first heat insulation ring 51, a second heat insulation ring 52 is disposed on a bottom surface of the first heat insulation ring 51, an inner diameter of the first heat insulation ring 51 is larger than an inner diameter of the second heat insulation ring 52, at least one guide groove 53 is disposed on an outer wall of the second heat insulation ring 52, the guide groove 53 is configured to cooperate with the guide block 41 on the flange 42, so that the heat insulation structure 5 is disposed in the stepped hole of the central fire cover 4, the guide groove 53 is aligned with the guide block 41, and the guide block 41 slides in a vertical direction along the guide groove 53, so that the heat insulation structure 5 and the central fire cover 4 are sleeved with each other.
Grooves 54 are formed on two sides of the guide groove 53, the grooves 54 are used for accommodating the guide block 41, when the guide block 41 slides to the bottom surface of the first heat insulation ring 51 along the guide groove 53, the guide block 41 is clamped into the grooves 54 by rotating the heat insulation structure 5, and the bottom surface of the guide block 41 is abutted to the bottom surface of the grooves 54.
The first heat insulation ring 51 and the second heat insulation ring 52 are of an integrally formed structure, a plurality of guide grooves 53 are arranged on the outer wall of the second heat insulation ring 52 at equal intervals, grooves 54 are arranged in two adjacent guide grooves 53 and used for containing the guide blocks 41, and the number of the guide blocks 41 is the same as that of the guide grooves 53.
The guide groove 53 and the groove 54 are provided at the bottom end of the outer wall of the second heat insulating ring 52, and the lower surface of the first heat insulating ring 51 and the guide groove 53 are provided with a space in the vertical direction.
Still be provided with the elastic component in central fire lid 4, when second heat insulation ring 52 and central fire lid 4 bottom surface cooperate, now place the elastic component in the bottom surface of central fire lid 4, place thermal-insulated structure 5 on the elastic component again, thereby make the lower surface of elastic component and the bottom surface of shoulder hole contact, the upper surface of spring 7 and the lower surface of second heat insulation ring 52 contact, thereby it is scalable to make thermal-insulated structure 5, along with preventing the difference of pan 9, thereby adjust the height of going up and down and protect temperature sensor 6 not by the flame interference of central fire lid 4 better, reduce its temperature, guarantee the accurate nature that temperature sensor 6 detected.
Further, the elastic member is a spring 7, and the inner diameter of the spring 7 is larger than that of the small hole of the stepped hole, so that the spring 7 can be placed in the stepped hole of the central fire cover 4.
When the heat insulation structure is used, the spring 7 is placed in the stepped hole of the central fire cover 4, the guide block 41 is aligned with the guide groove 53 of the heat insulation structure 5, the sliding block slides to the lower surface of the first heat insulation ring 51 along the guide groove 53, rotates along the gap formed by the first heat insulation ring 51 and the guide groove 53, and presses the guide block 41 into the groove 54, so that when an external force is pressed on the upper surface of the first heat insulation ring, the spring 7 is compressed, the heat insulation structure 5 moves downwards, and when the external force is removed, the heat insulation structure 5 moves upwards under the action of the restoring force of the spring 7.
Thermal-insulated structure 5 includes the telescopic link, and the top of telescopic link is provided with the turn-ups perpendicularly, and the outer wall cover of telescopic link is equipped with the elastic component, thereby the top of telescopic link extends the elastic component and makes external force oppression telescopic link, and the elastic component compression or extension make thermal-insulated structure 5 move on vertical direction.
Further, temperature sensor 6 can set up to temperature sensor 6 when flexible, and lift in the inner ring fire lid removes, is provided with the through-hole in the furnace end, is provided with the mount in the through-hole, is provided with telescopic temperature sensor 6 on the mount, when detecting the bottom of a boiler temperature, stretches out central fire lid 4 with temperature sensor 6.
As shown in fig. 7 and 8, the present invention further provides a gas stove, which includes a bottom case, the bottom case is provided with the above-mentioned dry burning prevention device, a pot support is arranged outside the dry burning prevention device, a pot 9 is arranged on the pot support, when the pot 9 is placed on the pot support, the heat insulation structure 5 is acted by external force to compress the elastic member, so that the temperature sensor 6 is always in the heat insulation structure 5, and the flame of the central fire cover 4 is prevented from baking the temperature sensor 6, thereby improving the accuracy of the temperature sensor 6.
The specific structure of the gas stove is formed by structural design of an outer ring fire cover 3, a central fire cover 4, a gas distribution plate 2, a furnace end 1, a heat insulation structure, a telescopic temperature sensor 6 and the like. Round holes for gas output are uniformly distributed on the peripheries of the outer ring fire cover 3 and the central fire cover 4 and are output ends of gas combustion flame; the furnace end 1 is the cavity that the gas intensive mixing, and the gas is exported to gas distribution dish 2 after mixing in furnace end 1, is covered 3 and central fire by gas distribution dish 2 evenly distributed to outer loop fire and is covered 4 by the central fire, finally realizes that the gas burning forms flame and heats pan 9. The telescopic temperature sensor 6 is arranged in the middle of the central fire cover 4, and the top end of the telescopic temperature sensor can be contacted with the bottom surface of the cooker 9, so that the function of detecting the temperature of the cooker 9 is achieved. Lifting heat insulation structure arranges 4 tops on central fire lid in, forms telescopic temperature sensor 6 into the enclosed type, can effectively prevent combustor flame to telescopic temperature sensor 6 toast, strengthens telescopic temperature sensor 6's durability and temperature sensing degree of accuracy.
The pan 9 is divided into a pan and a wok, the bottom surface of the pan is a plane, the bottom surface of the pan is contacted with the pan bracket, and the spring 7 is partially compressed, so that the temperature sensor 6 is arranged in the heat insulation structure 5; when the used pan 9 is a frying pan, the radian is arranged on the bottom surface of the frying pan, the bottom surface of the frying pan is completely contacted with the heat insulation structure 5, so that the spring 7 is completely compressed, the temperature sensor 6 is arranged in the heat insulation structure 5 at the moment, and the temperature sensor 6 is always in the heat insulation structure 5 no matter what kind of pan 9 is, so that the baking of flame of a burner on the telescopic temperature sensor 6 is blocked, and the temperature sensing accuracy of the telescopic temperature sensor 6 can be higher; at the same time, the durability of the telescopic temperature sensor 6 is increased.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides an prevent dry combustion method device, includes furnace end (1), is provided with outer loop fire lid (3) on furnace end (1), is provided with central fire lid (4) in outer loop fire lid (3), is provided with temperature sensor (6) on central fire lid (4), its characterized in that still includes thermal-insulated structure (5), and thermal-insulated structure (5) mobilizable cover is established in temperature sensor (6) outside, makes thermal-insulated structure (5) reciprocate according to the pan shape difference.
2. The device for preventing dry burning according to claim 1, wherein the central fire lid (4) is provided with a flange (42) on the upper surface thereof, and a guide block (41) is provided on the inner wall of the flange (42) so that the guide block (41) slides on the heat insulating structure (5).
3. The dry burning prevention device according to claim 2, wherein the central fire cover (4) is formed with a stepped hole, a hole having a small inner diameter of the stepped hole is formed at the bottom end of the central fire cover (4), and a hole having a large inner diameter is formed at the top end of the central fire cover (4), so that the top end of the temperature sensor (6) extends to the outside of the stepped hole.
4. The dry burning prevention device according to claim 2, wherein the heat insulation structure (5) comprises a first heat insulation ring (51), a second heat insulation ring (52) is provided on a bottom surface of the first heat insulation ring (51), an inner diameter of the first heat insulation ring (51) is larger than an inner diameter of the second heat insulation ring (52), a guide groove (53) is provided on an outer wall of the second heat insulation ring (52), and the guide block (41) on the flange (42) slides on the guide groove (53).
5. The device for preventing dry burning according to claim 4, wherein the guide groove (53) is provided at both sides with a groove (54), the groove (54) is used for receiving the guide block (41), and when the guide block (41) slides along the guide groove (53) to the bottom surface of the first heat insulating ring (51), the heat insulating structure (5) is rotated to clip the guide block (41) into the groove (54).
6. The dry burning prevention device of claim 5, wherein the first heat insulating ring (51) and the second heat insulating ring (52) are formed as an integral structure, a plurality of guide grooves (53) and a plurality of grooves (54) are formed on the outer wall of the second heat insulating ring (52) at equal intervals, and the grooves (54) and the guide grooves (53) are alternately formed.
7. The dry burning prevention apparatus as claimed in claim 5, wherein the guide groove (53) and the groove (54) are provided at the bottom end of the outer wall of the second heat insulating ring (52), and the lower surface of the first heat insulating ring (51) and the guide groove (53) are provided with a space in the vertical direction.
8. The dry burning prevention apparatus as claimed in claim 7, wherein an elastic member is further provided in the center fire cover (4), a lower surface of the elastic member is in contact with a bottom surface of the stepped hole, and an upper surface of the elastic member is in contact with a lower surface of the second heat insulating ring (52), thereby moving the heat insulating structure (5) up and down.
9. The device of claim 2, wherein the heat insulation structure (5) comprises a telescopic rod, the top end of the telescopic rod is vertically provided with a flange, and the outer wall of the telescopic rod is sleeved with an elastic member.
10. A gas range, comprising a bottom case, a panel fixedly connected to the bottom case, and the panel being provided with the dry-burning prevention device as claimed in any one of claims 1 to 9.
CN202011037431.7A 2020-09-28 2020-09-28 Dry burning prevention device and gas stove Pending CN112032777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011037431.7A CN112032777A (en) 2020-09-28 2020-09-28 Dry burning prevention device and gas stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011037431.7A CN112032777A (en) 2020-09-28 2020-09-28 Dry burning prevention device and gas stove

Publications (1)

Publication Number Publication Date
CN112032777A true CN112032777A (en) 2020-12-04

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ID=73574962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011037431.7A Pending CN112032777A (en) 2020-09-28 2020-09-28 Dry burning prevention device and gas stove

Country Status (1)

Country Link
CN (1) CN112032777A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114088220A (en) * 2021-11-23 2022-02-25 深圳市特普生科技有限公司 Flame radiation preventing device of dry burning preventing sensor of gas stove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114088220A (en) * 2021-11-23 2022-02-25 深圳市特普生科技有限公司 Flame radiation preventing device of dry burning preventing sensor of gas stove

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