CN212719845U - Gas kitchen utensil with high-temperature protection - Google Patents
Gas kitchen utensil with high-temperature protection Download PDFInfo
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- CN212719845U CN212719845U CN202020483577.3U CN202020483577U CN212719845U CN 212719845 U CN212719845 U CN 212719845U CN 202020483577 U CN202020483577 U CN 202020483577U CN 212719845 U CN212719845 U CN 212719845U
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Abstract
The utility model relates to a gas kitchen ware with high temperature protection. The gas kitchen ware with high-temperature protection comprises a self-priming electromagnetic valve, a pulse igniter and an air inlet pipe which are arranged on a temperature control valve, wherein the air inlet pipe is connected to the air inlet end of the self-priming electromagnetic valve; the air outlet end of the self-absorption electromagnetic valve is respectively connected with two combustors, and the pulse igniter is electrically connected with the two ignition needles; the temperature sensing device is connected in series with a circuit between the self-priming electromagnetic valve and the thermocouple and is used for cutting off the circuit in a high-temperature state. The utility model discloses a gas kitchen utensils and appliances with high temperature protection, through locating the series connection temperature sensing device at the line from inhaling solenoid valve and thermocouple, mechanical operation control cuts off the gas circuit, simple structure, and the reaction is more sensitive, and can effectively promote the security performance.
Description
Technical Field
The utility model relates to a gas kitchen utensils and appliances technical field especially relates to a gas kitchen utensils and appliances with high temperature protection.
Background
At present, an ignition system of a gas kitchen tool (such as a gas oven and an oven stove) on the market generally opens a gas circuit by pressing a valve body, a pulse igniter enables an ignition needle to generate electric sparks so as to ignite a burner, and a thermocouple arranged on the burner is heated to generate current to attract an electromagnetic valve on the valve body, so that continuous gas supply and combustion are realized. The gas kitchen ware (such as gas oven, oven kitchen) with flame-out protection, in the use, when meetting burning and putting out flame suddenly, can automatic cutout gas circuit of gas to prevent that the gas from leaking. However, under the condition that the combustion working condition is always normal, if the heat dissipation device on the gas kitchen ware fails, the temperature rise of the whole machine can be continuously increased, so that high-temperature damage is brought to key parts in the whole machine, and even the key parts are caused to fail; in this case, the conventional flameout protection does not play a safety role.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas kitchen utensils and appliances with high temperature protection, through establishing ties from the line department of inhaling solenoid valve and thermocouple and add temperature sensing device, mechanical operation control cuts off the gas circuit, simple structure, and the reaction is more sensitive, and can effectively promote the security performance.
The technical problem is solved by the following technical scheme:
a gas kitchen ware with high temperature protection comprises a self-priming electromagnetic valve, a pulse igniter and an air inlet pipe which are arranged on a temperature control valve, wherein the air inlet pipe is connected to the air inlet end of the self-priming electromagnetic valve; the air outlet end of the self-absorption electromagnetic valve is respectively connected with the two burners, and the pulse igniter is electrically connected with the two ignition needles; the temperature sensing device is connected in series with a circuit between the self-priming electromagnetic valve and the thermocouple and is used for cutting off the circuit in a high-temperature state.
In one embodiment, the thermostatic valve is also used for controlling the pulse igniter to be powered on or off.
In one embodiment, the temperature-sensing device further comprises a power supply, the power supply is electrically connected with the pulse igniter, a microswitch is arranged between the power supply and the pulse igniter, and the microswitch is triggered by pressing of the temperature-sensing valve.
In one embodiment, the temperature control valve is further provided with an air inlet, two air outlets and a valve rod, the self-priming electromagnetic valve and the valve rod are sequentially arranged between the air inlet and the two air outlets along the airflow direction, the two air outlets are respectively connected with the two burners through two air guide pipes, and the valve rod rotates to enable the air inlet to be communicated with one of the air outlets alternatively.
In one embodiment, the temperature sensing device is a snap-action thermostat or a bimetallic thermostat.
In one embodiment, the burner is provided with a mounting bracket, and the ignition needle and the thermocouple are respectively connected to the corresponding mounting bracket through threads.
In one embodiment, the temperature sensing device is fixed on the inner wall of the heat insulation plate of the gas kitchen ware and used for sensing the temperature in the cavity of the gas kitchen ware.
Gas kitchen utensils and appliances with high temperature protection, compare produced beneficial effect with the background art:
the temperature sensing device is additionally arranged to sense the temperature in real time, the self-absorption electromagnetic valve is controlled to be closed in real time, the passage between the air inlet pipe and the combustor is isolated, the air supply passage is mechanically controlled, the reaction is more sensitive, the air passage can be cut off instantly when high-temperature hidden danger occurs, and therefore the use safety performance is effectively improved; and two ignition needles are controlled by one pulse igniter, so that the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a gas kitchen tool with high temperature protection according to an embodiment of the present invention;
in the drawings: 1. a temperature control valve; 2. a pulse igniter; 3. a combustion assembly; 31. an ignition needle; 32. a temperature sensing device; 33. a thermocouple; 34. a burner; 4. a main air inlet pipe; 5. an air duct; 6. a power source; 7. a micro switch.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected to" another element, it can be directly on the other element or intervening elements may also be present.
Referring to fig. 1, a gas kitchen utensil with high temperature protection includes a self-priming electromagnetic valve, a pulse igniter 2, an air inlet pipe 4 arranged on a temperature control valve 1, the air inlet pipe 4 is connected to the air inlet end of the self-priming electromagnetic valve, and also includes two groups of combustion assemblies 3, each group of combustion assemblies 3 includes an ignition needle 31, a temperature sensing device 32, a thermocouple 33 and a burner 34, the ignition needle 31 and the thermocouple 33 are arranged on the burner 34; the air outlet end of the self-priming electromagnetic valve is respectively connected with two burners 34, and the pulse igniter 2 is electrically connected with two ignition needles 31; the temperature sensing device 32 is connected in series to the circuit between the self-priming solenoid valve and the thermocouple 33, and is used to cut off the circuit in a high temperature state.
In addition, if technically allowed, the number of the combustion assemblies of the gas kitchen ware with high-temperature protection can be set to be more than two according to actual requirements. For example, the number of the ignition needle 31, the temperature sensing device 32, the thermocouple 33 and the burner 34 is 3, each burner 34 is provided with the ignition needle 31 and the thermocouple 33, and the pulse igniter 2 is connected with the ignition needle 31.
In one embodiment, the thermostatic valve 1 is also used for controlling the pulse igniter 2 to be powered on or off.
In one embodiment, the temperature-sensing device further comprises a power supply 6, the power supply 6 is electrically connected with the pulse igniter 2, a microswitch 7 is arranged between the power supply 6 and the pulse igniter 2, and the temperature-sensing valve 1 is pressed to trigger the microswitch 7. The scheme gives a specific mode that the temperature control valve controls the pulse igniter 2 to be powered on or powered off.
In one embodiment, the temperature control valve 1 is further provided with an air inlet, two air outlets and a valve rod, the self-priming electromagnetic valve and the valve rod are sequentially arranged between the air inlet and the two air outlets along the airflow direction, and the two air outlets are respectively connected with the two burners 34 through the two air guide pipes 5; the valve rod rotates and connects the air inlet alternatively with one of the air outlets. The air inlet pipe 4 is connected with the air inlet, the temperature control valve 1 is provided with a self-absorption electromagnetic valve and a valve rod, the communication between the air inlet and the two air outlets is controlled, the self-absorption electromagnetic valve is arranged between the air inlet and the valve rod along the air flow direction, and the self-absorption electromagnetic valve controls the on-off of the whole air path.
Specifically, taking a double-layer gas oven as an example, the temperature control valve 1 is respectively connected with an upper layer burner and a lower layer burner through two gas guide pipes, the upper layer burner is correspondingly provided with an upper ignition needle and an upper thermocouple, and the lower layer burner is correspondingly provided with a lower ignition needle and a lower thermocouple. When using, carry out electric current break-make and gas circuit distribution through temperature-sensing valve 1, for example, temperature-sensing valve 1 pressurized triggers micro-gap switch 7 to make pulse ignition ware 2 circular telegram, the valve rod of temperature-sensing valve 1 is done clockwise rotation and can be guided the gas to upper burner, and the valve rod of temperature-sensing valve 1 is done anticlockwise rotation and can be guided the gas to lower floor's combustor, makes whole ignition process convenient operation, and the security performance is higher.
In one embodiment, the temperature sensing device 32 is a trip thermostat or a bimetallic thermostat.
In one embodiment, the burner is provided with a mounting bracket, and the ignition needle 31 and the thermocouple 33 are respectively screwed to the corresponding mounting bracket.
In one embodiment, the temperature sensing device 32 is fixed on the inner wall of the heat insulation plate of the gas kitchen ware and used for sensing the temperature in the cavity of the gas kitchen ware. The inner wall of the heat insulation plate can reflect the real-time temperature of the gas kitchen ware, and the temperature sensing device 32 is fixed on the inner wall of the heat insulation plate of the gas kitchen ware for timely response.
Specifically, when the gas kitchen ware with high-temperature protection works, the temperature control valve 1 can play a role in switching on and off current and distributing gas circuits, the pulse igniter 2 is controlled to be powered on through the temperature control valve 1, gas enters from the main gas inlet pipe 4 and is distributed to the gas guide pipe 5 through the temperature control valve 1 and then is conveyed to the combustor 34, and at the moment, the circuit and the gas circuits are both in a switching-on state; the pulse igniter 2 controls the ignition needle 31 to be electrified to ignite the combustor 34, for example, the thermocouple 33 is used for sensing the ignition state, when the heat sensing part of the thermocouple 33 is heated, temperature difference current is generated, the current can excite the self-absorption electromagnetic valve to keep the attraction state, the gas circuit is in the connection state, and gas supply can be continuously carried out at the moment, so that the combustor 34 can normally work; when the thermocouple 33 does not sense flame within a preset time or suddenly flameout in normal work, no current is generated to the pulse igniter 2 any more, the self-absorption electromagnetic valve is powered off and closed, the gas circuit is rapidly disconnected, and the gas leakage accident can be avoided; when the temperature reaches the preset operating temperature of the temperature sensing device 32, the temperature sensing device 32 is automatically disconnected, the circuit between the thermocouple 33 and the self-priming electromagnetic valve is cut off, and the self-priming electromagnetic valve automatically disconnects the passage between the main air inlet pipe 4 and the air guide pipe 5.
The temperature sensing device is additionally arranged to sense the temperature in real time, the self-absorption electromagnetic valve is controlled to be closed in real time, the passage between the air inlet pipe and the combustor is isolated, the air supply passage is mechanically controlled, the reaction is more sensitive, the air passage can be cut off instantly when high-temperature hidden danger occurs, and therefore the use safety performance is effectively improved; and two ignition needles are controlled by one pulse igniter, so that the cost is saved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A gas kitchen ware with high-temperature protection is characterized by comprising a self-priming electromagnetic valve, a pulse igniter (2) and an air inlet pipe (4) which are arranged on a temperature control valve (1), wherein the air inlet pipe (4) is connected to the air inlet end of the self-priming electromagnetic valve, and the gas kitchen ware further comprises two groups of combustion assemblies (3), each group of combustion assemblies (3) comprises an ignition needle (31), a temperature sensing device (32), a thermocouple (33) and a combustor (34), and the ignition needle (31) and the thermocouple (33) are arranged on the combustor (34); the gas outlet end of the self-priming electromagnetic valve is connected with the two burners (34), and the pulse igniter (2) is electrically connected with the two ignition needles (31); the temperature sensing device (32) is connected in series with a circuit between the self-priming electromagnetic valve and the thermocouple (33) and is used for cutting off the circuit in a high-temperature state.
2. Gas cooking appliance with high temperature protection according to claim 1, characterised in that the thermostat valve (1) is also used to control the pulse igniter (2) to be energized or de-energized.
3. The gas kitchen appliance with high temperature protection according to claim 2, further comprising a power supply (6), wherein the power supply (6) is electrically connected with the pulse igniter (2), a microswitch (7) is arranged between the power supply (6) and the pulse igniter (2), and the microswitch (7) is triggered by pressing the temperature control valve (1).
4. The gas kitchen appliance with high temperature protection according to claim 3, wherein the temperature control valve (1) is further provided with a gas inlet, two gas outlets and a valve rod, the self-priming electromagnetic valve and the valve rod are successively arranged between the gas inlet and the two gas outlets along the direction of gas flow, and the two gas outlets are respectively connected with the two burners (34) through two gas guide pipes (5); the valve rod rotates and connects the air inlet alternatively with one of the air outlets.
5. Gas cooking appliance with high temperature protection according to claim 1, characterised in that the temperature sensing means (32) is a snap-action thermostat or a bimetallic strip thermostat.
6. The gas-fired kitchen appliance with high temperature protection according to claim 1, characterized in that said burner is provided with a mounting bracket, and said ignition needle (31) and said thermocouple (33) are respectively screwed to the corresponding mounting bracket.
7. The gas cooking appliance with high temperature protection according to any one of claims 1 to 6, wherein the temperature sensing device (32) is fixed on the inner wall of the heat insulation plate of the gas cooking appliance and is used for sensing the temperature in the cavity of the gas cooking appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483577.3U CN212719845U (en) | 2020-04-03 | 2020-04-03 | Gas kitchen utensil with high-temperature protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483577.3U CN212719845U (en) | 2020-04-03 | 2020-04-03 | Gas kitchen utensil with high-temperature protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212719845U true CN212719845U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020483577.3U Active CN212719845U (en) | 2020-04-03 | 2020-04-03 | Gas kitchen utensil with high-temperature protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212719845U (en) |
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2020
- 2020-04-03 CN CN202020483577.3U patent/CN212719845U/en active Active
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