CN212565891U

CN212565891U - Infrared cooker with thermocouple flameout protection function

Info

Publication number: CN212565891U
Application number: CN202021036891.3U
Authority: CN
Inventors: 韩艳志
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-19
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to an infrared cooker with thermocouple flameout protection function, which comprises a combustion cooking range and a thermocouple; the combustion cooking range is provided with a combustion chamber for conveying gas and an isolation sleeve positioned on the inner side of the combustion chamber; the thermocouple is arranged on the inner side of the isolation sleeve; the method is characterized in that: the gas-burning temperature-detecting device is characterized by further comprising an inner ring cover arranged on the isolation sleeve, a vent hole communicated with the combustion chamber is formed in the inner ring cover, a sensing temperature-detecting end on the thermocouple corresponds to the vent hole, and gas in the combustion chamber is discharged to the sensing temperature-detecting end through the vent hole. According to the infrared cooker, the inner ring cover is provided with the vent hole communicated with the combustion chamber, so that a corresponding fire type is led out, and the thermocouple can effectively and accurately detect a corresponding temperature by sensing the fire type, so that the accuracy of temperature detection is ensured; according to the structure, the thermocouple can avoid direct detection of infrared temperature, so that the temperature of the working environment is greatly reduced, and the service life of the thermocouple is effectively prolonged.

Description

Infrared cooker with thermocouple flameout protection function

Technical Field

The utility model relates to a cooking utensils, in particular to an infrared cooking utensils with thermocouple flameout protection function.

Background

In the existing infrared cooker, the heating temperature generated by infrared rays is very high, and if a thermocouple is directly arranged on the infrared rays, the service life of the thermocouple can be greatly shortened if the thermocouple works in an ultra-high temperature environment for a long time, so that the thermocouple in the existing infrared cooker is generally arranged at a position far away from the infrared rays, but the induction performance of the thermocouple is reduced, and errors such as misjudgment are easy to occur; to solve this problem, chinese patent document CN107940453A discloses a burner and a gas cooker, specifically disclosing: including infrared fire lid, divide the gas tray, thermocouple and fender umbrella structure, divide the gas tray to include central cavity, infrared fire lid sets up at central cavity, the cavity air vent has been seted up to central cavity, the top of thermocouple is located the cavity air vent, infrared fire lid is opened and is equipped with fire lid air vent, infrared fire lid passes through fire lid air vent and sets up at central cavity, the breach groove has been seted up to cavity air vent lateral wall, the fender umbrella structure includes column portion and the lid that sets up at column portion top, the cavity air vent is worn to establish by column portion, the lid is located the top of thermocouple, logical groove has been seted up to the lateral wall of column portion, the inside of logical groove and central cavity is led to in breach groove intercommunication. The structure is complicated and the performance effect is not good enough, so that further improvement is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an infrared ray cooking utensils with thermocouple flame-out protect function, this cooking utensils are on guaranteeing the reliable basis of temperature sensing performance, effectively prolong the life of thermocouple.

The purpose of the utility model is realized like this:

an infrared cooker with thermocouple flameout protection function comprises a combustion cooking range and a thermocouple; the combustion cooking range is provided with a combustion chamber for conveying gas and an isolation sleeve positioned on the inner side of the combustion chamber; the thermocouple is arranged on the inner side of the isolation sleeve; the method is characterized in that: the infrared cooker also comprises an inner ring cover arranged on the isolation sleeve, wherein the inner ring cover is provided with a vent hole communicated with the combustion chamber, the induction temperature detecting end on the thermocouple corresponds to the vent hole, and the fuel gas in the combustion chamber is discharged to the induction temperature detecting end through the vent hole.

The combustion chamber comprises an outer combustion chamber and an inner combustion chamber, the outer combustion chamber surrounds the outer side of the inner combustion chamber, and the inner combustion chamber surrounds the outer side of the isolation sleeve; the vent hole is communicated with the outer combustion chamber and/or the inner combustion chamber.

The infrared cooker with the thermocouple flameout protection function also comprises an infrared fire cover which emits infrared rays when gas is combusted; the infrared fire cover is arranged on the combustion cooking range and is positioned above the combustion chamber; the inner ring cover is arranged on the infrared fire cover.

The infrared fire cover is provided with a plurality of infrared through holes and a supporting part for supporting the inner ring cover, the combustion chamber is communicated with the vent holes through the infrared through holes in the supporting part, and fuel gas in the combustion chamber sequentially passes through the infrared through holes and the vent holes and then reaches the induction temperature detection end.

The inner ring cover is provided with a transverse extension part and an inclined extension part, the vent hole is formed in the transverse extension part and/or the inclined extension part, and the induction temperature detection end is located above the vent hole.

The inner ring cover is provided with a first mounting screw hole with an internal thread, the thermocouple is provided with an external thread, and the thermocouple is in threaded connection with the first mounting screw hole.

The infrared cooker with the thermocouple flameout protection function also comprises an ignition needle, wherein the ignition needle is arranged on the inner side of the isolation sleeve; the inner ring cover is provided with a second mounting screw hole with an internal thread, the ignition needle is provided with an external thread, and the ignition needle is in threaded connection with the second mounting screw hole.

The inner ring cover is at least partially inserted into the isolation sleeve.

The utility model has the advantages as follows:

the inner ring cover is provided with the vent hole communicated with the combustion chamber, so that a corresponding fire species is led out, and the thermocouple can effectively and accurately detect corresponding temperature by sensing the fire species, so that the accuracy of temperature detection is ensured, and the aim of flameout protection is fulfilled; according to the structure, the thermocouple can avoid direct detection of infrared temperature, so that the temperature of the working environment is greatly reduced, and the service life of the thermocouple is effectively prolonged.

Drawings

Fig. 1 is an assembly diagram of an infrared cooker according to an embodiment of the present invention.

Fig. 2 is a partially exploded view of an infrared cooker according to an embodiment of the present invention.

Fig. 3 is a partial sectional view of an infrared cooker according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural diagram of an inner ring cover according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-5, the infrared cooker with thermocouple flameout protection function comprises a combustion cooking range 1, an infrared fire cover 2, a thermocouple 3, an ignition needle 4 and an inner ring cover 5; a combustion chamber for conveying gas and an isolation sleeve 101 positioned inside the combustion chamber are integrally formed in the inner cavity of the combustion cooking range 1, and the combustion chamber is not communicated with the isolation sleeve 101; the thermocouple 3 and the ignition needle 4 are respectively arranged on the inner side of the isolation sleeve 101, and the isolation sleeve 101 can provide installation space for the thermocouple 3 and the ignition needle 4 so as to ensure the normal work of the thermocouple 3 and the ignition needle 4 and ensure that the whole structure is more reasonable and compact; inner ring lid 5 sets up in isolation sleeve 101 top, and processing has the air vent 501 of intercommunication combustion chamber on the inner ring lid 5, and the temperature end 301 is visited in the response of thermocouple 3 tip corresponds with air vent 501, and the gas in the combustion chamber is visited the temperature end 301 to the response and is discharged through air vent 501. In the structure, the inner ring cover 5 is provided with the vent hole 501 communicated with the combustion chamber, so that a corresponding fire type is led out, the thermocouple 3 can effectively and accurately detect corresponding temperature by sensing the fire type, the accuracy of temperature detection is ensured, and the purpose of flameout protection is further achieved; in the structure, the thermocouple 3 can avoid directly detecting the infrared temperature, so the working environment temperature is greatly reduced, and the service life of the thermocouple is effectively prolonged.

Further, the combustion chamber comprises an annular outer combustion chamber 102 and an annular inner combustion chamber 103, wherein the outer combustion chamber 102 surrounds the outer side of the inner combustion chamber 103, and the inner combustion chamber 103 surrounds the outer side of the isolation sleeve 101; the vent 501 may communicate with the outer combustion chamber 102 and/or the inner combustion chamber 103 according to actual use/structural requirements, and the vent 501 according to the present embodiment communicates with the inner combustion chamber 103.

Further, the infrared fire cover 2 can emit infrared rays to heat when gas is combusted; the infrared fire cover 2 is arranged on the top of the combustion cooking range 1 and is positioned above the combustion chambers (the outer combustion chamber 102 and the inner combustion chamber 103) so that the gas can be finally combusted on the infrared fire cover 2; the inner ring cover 5 is arranged at the center of the top of the infrared fire cover 2.

Further, a plurality of infrared through holes 201 and a supporting part 202 for supporting the inner ring cover 5 are processed on the infrared fire cover 2; the infrared through holes 201 are communicated with the upper end surface and the lower end surface of the infrared fire cover 2, and the combustion chambers (the outer combustion chamber 102 and the inner combustion chamber 103) are communicated with the outside (the atmosphere) through the corresponding infrared through holes 201; the combustion chamber is communicated with the vent hole 501 through the corresponding infrared through hole 201 on the support part 202, and the fuel gas in the combustion chamber sequentially passes through the infrared through hole 201 and the vent hole 501 and then reaches the induction temperature detection end 301, so that the fire seeds are led out from the vent hole 501 for temperature detection.

Further, a transverse extension part 502 and an inclined extension part 503 which are connected with each other are arranged at the top of the inner ring cover 5, the vent hole 501 is formed in the transverse extension part 502 and the inclined extension part 503, the induction temperature detection end 301 is located above the vent hole 501, and the vent hole 501 is formed in the transverse extension part 502 and the inclined extension part 503 to increase the area of fire seeds so as to better detect the temperature of the induction temperature detection end 301; specifically, in the present embodiment, two (or more) vent holes 501 are formed on the lateral extension portion 502, and one (or more) vent hole 501 is formed on the inclined extension portion 503.

Furthermore, a first mounting screw hole 504 with internal threads and a second mounting screw hole 505 with internal threads are formed in the inner ring cover 5, external threads are respectively formed on the outer walls of the thermocouple 3 and the ignition needle 4, the thermocouple 3 is in threaded connection with the first mounting screw hole 504, and the ignition needle 4 is in threaded connection with the second mounting screw hole 505; the thermocouple 3 and the ignition needle 4 are assembled in a threaded connection mode respectively, operation is convenient and fast, and the structure is stable and reliable.

Furthermore, the bottom of the inner ring cover 5 is inserted into the isolation sleeve 101, so that the installation structure of the inner ring cover 5 is more stable.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An infrared cooker with a thermocouple flameout protection function comprises a combustion cooking range (1) and a thermocouple (3); the combustion cooking range (1) is provided with a combustion chamber for conveying gas and an isolation sleeve (101) positioned inside the combustion chamber; the thermocouple (3) is arranged on the inner side of the isolation sleeve (101); the method is characterized in that: still including setting up inner ring lid (5) on isolation sleeve (101), be provided with air vent (501) of intercommunication combustion chamber on inner ring lid (5), response on thermocouple (3) is visited temperature end (301) with air vent (501) correspond, and the gas in the combustion chamber is visited temperature end (301) to the response and is discharged through air vent (501).

2. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the combustion chamber comprises an outer combustion chamber (102) and an inner combustion chamber (103), the outer combustion chamber (102) surrounds the outer side of the inner combustion chamber (103), and the inner combustion chamber (103) surrounds the outer side of the isolation sleeve (101); the vent hole (501) is communicated with the outer combustion chamber (102) and/or the inner combustion chamber (103).

3. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the infrared fire cover (2) can emit infrared rays when gas is combusted; the infrared fire cover (2) is arranged on the combustion cooking range (1) and is positioned above the combustion chamber; the inner ring cover (5) is arranged on the infrared fire cover (2).

4. The infrared cooker with thermocouple flameout protection function according to claim 3, characterized in that: the infrared fire cover (2) is provided with a plurality of infrared through holes (201) and a supporting part (202) for supporting the inner ring cover (5), the combustion chamber is communicated with the vent holes (501) through the infrared through holes (201) on the supporting part (202), and fuel gas in the combustion chamber sequentially passes through the infrared through holes (201) and the vent holes (501) and then reaches the induction temperature detection end (301).

5. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the inner ring cover (5) is provided with a transverse extension part (502) and an inclined extension part (503), the vent hole (501) is arranged on the transverse extension part (502) and/or the inclined extension part (503), and the induction temperature detection end (301) is positioned above the vent hole (501).

6. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the inner ring cover (5) is provided with a first mounting screw hole (504) with internal threads, the thermocouple (3) is provided with external threads, and the thermocouple (3) is in threaded connection with the first mounting screw hole (504).

7. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the ignition device further comprises an ignition needle (4), wherein the ignition needle (4) is arranged on the inner side of the isolation sleeve (101); a second mounting screw hole (505) with internal threads is formed in the inner ring cover (5), external threads are formed in the ignition needle (4), and the ignition needle (4) is in threaded connection with the second mounting screw hole (505).

8. The infrared cooker with thermocouple flameout protection function according to claim 1, characterized in that: the inner ring cover (5) is at least partially inserted into the isolation sleeve (101).