CN218721686U - Cassette furnace with overheat cutting protection - Google Patents
Cassette furnace with overheat cutting protection Download PDFInfo
- Publication number
- CN218721686U CN218721686U CN202222868709.6U CN202222868709U CN218721686U CN 218721686 U CN218721686 U CN 218721686U CN 202222868709 U CN202222868709 U CN 202222868709U CN 218721686 U CN218721686 U CN 218721686U
- Authority
- CN
- China
- Prior art keywords
- temperature controller
- gas
- gas tank
- thermocouple
- temperature
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a cassette furnace with overheat cut-off protection, which comprises a furnace body, a burner is arranged in the furnace body, a gas tank accommodating cavity for placing a gas tank is arranged on one side of the furnace body, the burner and the gas tank accommodating cavity are connected through a gas circuit, a switch knob is arranged to control the on and off of the gas circuit, the gas circuit is provided with a solenoid valve, a thermocouple is arranged outside the burner and is electrically connected with the solenoid valve, a temperature control switch assembly is arranged in the gas tank accommodating cavity and comprises a temperature controller and a temperature controller bracket, and the temperature controller bracket is attached to the installed gas tank; the temperature control switch assembly is connected in a circuit of the thermocouple and the electromagnetic valve. Compared with the existing cassette type furnace, the cassette type furnace is additionally provided with an overheat cut-off protection device, and the defect that only an alarm can be given instead of danger elimination after the overvoltage protection device fails in the prior art is overcome.
Description
Technical Field
The utility model relates to a gas equipment safety protection technical field especially relates to a cassette stove with overheated cut-off protection.
Background
The safety device of the prior cassette type furnace is mainly completed by an overpressure protection device of a gas tank in a valve body, but the phenomenon of failure of the protection device exists in practical use, and the safety device is real although the probability is very small.
The application of the Chinese utility model CN208458029U, namely a high-temperature alarm device and a safe gas device, discloses a technical scheme of high-temperature alarm of a cassette furnace when an overvoltage protection device fails, and the technical scheme is a safe gas device which is provided with a gas source accommodating space for accommodating a gas cylinder; the high temperature alarm device is arranged in the air source accommodating space, and the temperature sensing part of the kick type normally open temperature controller of the high temperature alarm device is attached to the metal plate forming the air source accommodating space.
However, this solution is only an alarm solution and not a solution for eliminating a dangerous situation after failure of the overvoltage protection device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cassette stove with overheat protection that cuts off has overcome prior art and can only report to the police rather than getting rid of dangerous defect after overvoltage protector is malfunctioning.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a cassette furnace with overheat cutoff protection comprises a furnace body, wherein a burner is arranged in the furnace body, a gas tank accommodating cavity for accommodating a gas tank is arranged on one side of the furnace body, the burner is connected with the gas tank accommodating cavity through a gas circuit, a switch knob is arranged for controlling the on and off of the gas circuit, a solenoid valve is arranged on the gas circuit, a thermocouple is arranged outside the burner and electrically connected with the solenoid valve, a temperature control switch assembly is arranged in the gas tank accommodating cavity and comprises a temperature controller and a temperature controller support, and the temperature controller support is attached to the mounted gas tank; the temperature control switch assembly is connected in a circuit of the thermocouple and the electromagnetic valve.
The temperature control switch assembly is connected in series in a circuit of the thermocouple and the electromagnetic valve, and the temperature controller is connected in series between the thermocouple and the electromagnetic valve.
The temperature controller is a kick type normally closed temperature controller, and the temperature controller support is a heat conduction support.
The temperature control switch assembly is connected in parallel in a circuit of the thermocouple and the electromagnetic valve, and the temperature controller is connected in parallel with the electromagnetic valve.
The temperature controller is a kick type normally open temperature controller, and the temperature controller support is a heat conduction support.
The temperature controller bracket is a metal copper bracket or a metal aluminum bracket.
The temperature control switch assembly is arranged at the bottom of the gas tank accommodating cavity.
The utility model has the advantages that: when the cassette type stove is used, the gas tank is arranged in the gas tank accommodating cavity, the temperature control switch assembly is arranged in the gas tank accommodating cavity, so that the temperature control switch assembly is tightly attached to the outer wall of the gas tank, and the temperature change of the gas tank can be accurately detected; because the gravity relation, the liquid gas in the gas jar can be concentrated on the gas jar and hold chamber bottom one side towards the gas jar, and the liquid gas temperature in the gas jar is directly proportional with gas jar pressure, installs the temperature detect switch assembly and holds the chamber bottom at the gas jar and be more preferred option. The temperature control switch assembly is connected in series or in parallel into an electric connection circuit of the thermocouple and the electromagnetic valve, when the temperature control switch assembly detects that the temperature of the outer wall of the gas tank is overhigh, the temperature control switch assembly timely disconnects a current path between the thermocouple and the electromagnetic valve, so that the current of the thermocouple cannot reach the electromagnetic valve, a gas path is cut off, flame is extinguished, an overheating cut-off protection device is additionally arranged outside an overvoltage protection device of the conventional cassette type furnace, so that the cassette type furnace has one more safety protection and is safer to use.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the appearance structure of the present invention;
in the figure: 1-a burner; 2-a thermocouple; 3-an electromagnetic valve; 4-a temperature controlled switch assembly; 5-a gas tank; 6-switch knob; 7-furnace body; 8-gas cylinder accommodating cavity.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.
In order to explain the embodiment more simply, some parts of the drawings or descriptions that are well known to those skilled in the art but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.
The utility model relates to a cassette stove with overheat protection that cuts off, as shown in fig. 3, it includes furnace body 7, sets up combustor 1 in the furnace body 7, and furnace body 7 one side sets up the gas pitcher that places gas jar 5 and holds chamber 8.
As shown in fig. 1 and 2, the combustor 1 is connected with the gas tank accommodating cavity 8 through a gas path, a switch knob 6 is arranged to control the on/off of the gas path, the gas path is provided with an electromagnetic valve 3, a thermocouple 2 is arranged on the outer side of the combustor 1, and the thermocouple 2 is electrically connected with the electromagnetic valve 3. The thermocouple 2 is arranged beside a fire outlet of the burner 1, when the burner 1 is ignited by pressing down the switch knob 6, the thermocouple 2 is heated by flame to generate current, the electromagnetic valve 3 is closed, and the gas path is communicated.
A temperature control switch assembly 4 which can cut off a gas circuit when the temperature of the gas tank 5 is too high is arranged in the gas tank accommodating cavity 8; preferably, the temperature controlled switch assembly 4 is disposed at the bottom of the gas tank accommodating chamber 8.
When the cassette stove is used, the gas tank 5 is installed in the gas tank accommodating cavity 8, under the action of gravity, liquid gas in the gas tank 5 can be concentrated on the gas tank 5 and can be accommodated in one side of the bottom of the cavity 8 towards the gas tank, and the temperature of the liquid gas in the gas tank 5 is in direct proportion to the pressure of the gas tank 5. Therefore, as shown in fig. 1 and 2, the temperature-controlled switch assembly 4 is mounted at the bottom of the gas tank accommodating chamber 8, so that the temperature-controlled switch assembly 4 is tightly attached to the outer wall of the gas tank 5, and whether the temperature of the gas tank 5 is too high can be accurately detected.
Furthermore, the temperature control switch assembly 4 comprises a temperature controller and a temperature controller bracket, the temperature control bracket is in an arc shape, the arc of the temperature control bracket is consistent with or slightly larger than that of the outer wall of the gas tank 5, and the temperature controller bracket is attached to the outer wall of the gas tank 5, so that the temperature change of the gas tank can be better detected; the temperature controller support is a heat-conducting metal copper support or a metal aluminum support.
As shown in fig. 2, the thermostat assembly 4 is connected in line with the thermocouple 2 and the solenoid valve 3.
Preferably, the temperature controller selects a snap-action temperature controller, the snap-action temperature controller can adopt KSD9700 products of KSD series, the temperature controller is divided into a snap-action normally open temperature controller and a snap-action normally closed temperature controller, and the temperature control switch assembly 4 can be connected in series or in parallel in a circuit of the thermocouple 2 and the electromagnetic valve 3 according to the type of the temperature controller.
In the first embodiment, the temperature control switch assembly 4 is connected in series in a circuit of the thermocouple and the electromagnetic valve, the temperature controller is a kick type normally closed temperature controller, and the temperature controller is connected in series between the thermocouple and the electromagnetic valve.
Normally, the normally closed temperature controller of the kick type is closed in the current path, and when the temperature is too high to exceed the set temperature value, the current path is opened. The kick type normally closed temperature controller is connected in series between the thermocouple and the electromagnetic valve, the current of the thermocouple 2 can not be influenced to flow to the electromagnetic valve 3 under normal conditions, only when the kick type normally closed temperature controller detects abnormal high temperature, the kick type normally closed temperature controller breaks off the current path, so that the current path between the thermocouple 2 and the electromagnetic valve 3 is cut off, the current of the thermocouple 2 cannot reach the electromagnetic valve 3, the electromagnetic valve 3 is closed, and the gas path is cut off.
When the ambient temperature of the gas tank 5 is too high, the pressure of the gas in the tank body is too high after the gas is heated, and under a general condition, the overvoltage protection device can cut off a gas path of the gas, so that flame is extinguished; if the overvoltage protection device is out of order, because temperature detect switch assembly 4 installs and holds 8 bottoms in the chamber in the gas pitcher, pastes 5 outer walls of gas pitcher, and jump formula normal close temperature controller detects 5 temperature anomaly of gas pitcher, can break off its current path immediately, cuts off the electric current between thermocouple 2 and the solenoid valve 3, makes solenoid valve 3 cut off the gas circuit, extinguishes the flame of furnace body 7, plays the safety protection effect.
In the second embodiment, the temperature control switch assembly 4 is connected in parallel to the circuit of the thermocouple 2 and the electromagnetic valve 3, the temperature controller is a kick type normally open temperature controller, and the temperature controller is connected in parallel to the electromagnetic valve 3.
The sudden-jump type normally open thermostat normally has a broken current path, and when the temperature exceeds a set temperature value, the current path is closed. The kick type normally open temperature controller is connected with the electromagnetic valve 3 in parallel, the current flow direction of the thermocouple 2 cannot be influenced to the electromagnetic valve 3 under normal conditions, only when the kick type normally open temperature controller detects abnormal high temperature, the kick type normally open temperature controller closes a current path of the kick type normally open temperature controller, the electromagnetic valve 3 cannot be electrified, and therefore the current of the thermocouple 2 cannot flow to the electromagnetic valve 3, the electromagnetic valve 3 is in a closed state, and a gas circuit is cut off.
When the ambient temperature of the gas tank 5 is too high, the pressure of the gas in the tank body is too high after the gas is heated, and under a general condition, the overvoltage protection device can cut off a gas path of the gas, so that flame is extinguished; if the overvoltage protector is out of order, because temperature detect switch assembly 4 installs and holds 8 bottoms in chamber in the gas pitcher, pastes 5 outer walls of gas pitcher, and jump formula normally open temperature controller detects 5 temperature anomaly of gas pitcher, can close its current path immediately, and the unable solenoid valve 3 that reachs of the electric current of thermocouple 2 makes solenoid valve 3 cut off the gas circuit, extinguishes the flame of furnace body 7, plays the safety protection effect.
The utility model discloses under 5 service environment high temperatures of gas jar, the malfunctioning condition of overvoltage protector, thereby make the potential safety hazard that probably triggers cut off the gas circuit through the electricity that temperature detect switch assembly 4 cuts off thermocouple 2 and solenoid valve 3 and be connected and get rid of, more had one deck safety protection than current cassette stove, used safelyr.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.
Claims (7)
1. A cassette furnace with overheat cutoff protection comprises a furnace body, a burner is arranged in the furnace body, a gas tank accommodating cavity for accommodating a gas tank is arranged at one side of the furnace body, the burner is connected with the gas tank accommodating cavity through a gas path, set up switch knob control gas circuit on, break, the gas circuit is provided with the solenoid valve, and the combustor outside sets up the thermocouple, and the thermocouple is connected its characterized in that with the solenoid valve electricity: a temperature control switch assembly is arranged in the gas tank accommodating cavity and comprises a temperature controller and a temperature controller bracket, and the temperature controller bracket is attached to the mounted gas tank; the temperature control switch assembly is connected in a circuit of the thermocouple and the electromagnetic valve.
2. The card oven with overheat shutdown protection as set forth in claim 1, wherein: the temperature control switch assembly is connected in series in a circuit of the thermocouple and the electromagnetic valve, and the temperature controller is connected in series between the thermocouple and the electromagnetic valve.
3. The card oven with overheat shutdown protection as set forth in claim 2, wherein: the temperature controller is a kick type normally closed temperature controller, and the temperature controller support is a heat conduction support.
4. The card oven with overheat cutoff protection as set forth in claim 1 wherein: the temperature control switch assembly is connected in parallel in a circuit of the thermocouple and the electromagnetic valve, and the temperature controller is connected in parallel with the electromagnetic valve.
5. The card oven with overheat shutdown protection as set forth in claim 4, wherein: the temperature controller is a kick type normally open temperature controller, and the temperature controller support is a heat conduction support.
6. The card oven with overheat shutdown protection as set forth in claim 3 or 5, wherein: the temperature controller bracket is a metal copper bracket or a metal aluminum bracket.
7. The card oven with overheat shutdown protection as set forth in claim 1, wherein: the temperature control switch assembly is arranged at the bottom of the gas tank accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868709.6U CN218721686U (en) | 2022-10-31 | 2022-10-31 | Cassette furnace with overheat cutting protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868709.6U CN218721686U (en) | 2022-10-31 | 2022-10-31 | Cassette furnace with overheat cutting protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218721686U true CN218721686U (en) | 2023-03-24 |
Family
ID=85595751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222868709.6U Active CN218721686U (en) | 2022-10-31 | 2022-10-31 | Cassette furnace with overheat cutting protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218721686U (en) |
-
2022
- 2022-10-31 CN CN202222868709.6U patent/CN218721686U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140283856A1 (en) | Overheating protection device for electronic cigarette and smoke cartridge | |
| CN218721686U (en) | Cassette furnace with overheat cutting protection | |
| US20120287546A1 (en) | Sensor-activated circuit-interrupting apparatus and method of using same | |
| KR101545958B1 (en) | Apparatus of fire detection and automatic fire protection system using the same | |
| JP5247108B2 (en) | Gas cooker | |
| CN210153876U (en) | Automatic monitoring and gas-off protection system for gas cooker | |
| CN208445766U (en) | A kind of heater | |
| US20210199289A1 (en) | Heating apparatus comprising combustible gas burner | |
| CN108449814A (en) | A kind of heater | |
| CN110621935B (en) | Gas burner system with thermal sensor for protecting burner | |
| KR102575739B1 (en) | An electricity circuit breaker for kitchen use with a function of sensing wire heat | |
| CN208458029U (en) | A kind of high-temperature alarming device and safety-type gas combustion apparatus | |
| JPH1194258A (en) | Gas cooking stove | |
| KR101803734B1 (en) | Gas safety shut-off device and method for communication faulty gas cookers | |
| CN214153452U (en) | Temperature-sensing fireproof distribution box | |
| CN203122149U (en) | Double protective device of heating plate | |
| CN215770829U (en) | Double-package machine tool control transformer | |
| JP7099851B2 (en) | Flyer fire protection | |
| JP2013152063A (en) | Gas cooking stove | |
| CN208687840U (en) | Oil heater defense controls system and oil heater | |
| CN201734570U (en) | Thermal fuse over-temperature fault protection device of electric heating fryer | |
| CN2307251Y (en) | Safety electrothermal water heater | |
| CN210405667U (en) | Scrapping device of electric hot-water bag | |
| KR101727973B1 (en) | Automatic fire extinguishing apparatus for induction heater | |
| KR100437408B1 (en) | A circuit for overheating prevention of gas oven range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |