CN210568589U - Automatic flameout device of gas stove - Google Patents
Automatic flameout device of gas stove Download PDFInfo
- Publication number
- CN210568589U CN210568589U CN201920303570.6U CN201920303570U CN210568589U CN 210568589 U CN210568589 U CN 210568589U CN 201920303570 U CN201920303570 U CN 201920303570U CN 210568589 U CN210568589 U CN 210568589U
- Authority
- CN
- China
- Prior art keywords
- heated body
- microprocessor
- automatic
- flameout
- support frame
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Combustion (AREA)
Abstract
The utility model relates to the field of gas cookers, in particular to an automatic flameout device of a gas cooker, which comprises a flameout protection circuit, a heated body support frame, a vibration sensor, a microprocessor and an automatic control switch, wherein the vibration sensor passes through the heated body support frame through a guide rod; the automatic control switch is electrically connected with the microprocessor; the vibration sensor is electrically connected with the microprocessor; the automatic control switch is connected with the flameout protection circuit in series. The utility model discloses utilize vibration sensor, can accurately judge whether water is boiled, water back, transfer information to microprocessor, microprocessor control automatic control switch disconnection flame-out protection circuit reaches automatic flame-out purpose.
Description
Technical Field
The utility model relates to a gas-cooker field especially relates to a gas-cooker automatic flameout device.
Background
In recent years, the nation enforces the forced installation of a flameout protection device on a gas stove, and aims to automatically close the gas stove when accidental flameout occurs, so as to prevent safety accidents caused by gas leakage. However, the safety problem due to the carelessness of the operator is not solved.
The patent with application number 2014205272332 proposes a gas stove capable of automatically closing a gas source, which uses a temperature control sensor and a central control device to automatically close a gas valve after the temperature reaches a set temperature for a certain time, thereby avoiding safety accidents caused by negligence of operators and other factors and preventing safety accidents. However, it has the following disadvantages.
The temperature needs to be judged by using a passive and wireless temperature sensor, wireless transmission is unstable, and the requirement on a power supply mode is severe.
The utility model aims at providing a can discern whether water is boiled and automatic flame-out device of heated member on the gas-cooker with vibrating sensor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas-cooker automatic flameout device, the utility model discloses utilize vibration sensor, can accurately judge whether water is boiled, water back, transfer information to microprocessor, microprocessor inform the automatic control switch who connects among the flameout protection system and close the gas, reach automatic flameout purpose.
In order to realize the purpose, the following technical scheme is adopted: an automatic flameout device of a gas stove comprises a flameout protection circuit, and further comprises a heated body supporting frame, a vibration sensor, a microprocessor and an automatic control switch, wherein the vibration sensor penetrates through the heated body supporting frame; the automatic control switch is electrically connected with the microprocessor; the vibration sensor is electrically connected with the microprocessor; the automatic control switch is electrically connected with the flameout protection circuit to form a serial circuit.
Furthermore, the heated body support frame is provided with two frame holes which are respectively positioned at the position far away from the burner and the position close to the burner on the heated body support frame; each frame hole is penetrated with 1 guide rod.
Furthermore, the number of the heated body support frames is at least three.
Furthermore, the heated body support frame is divided into two parts, namely a heated body support frame A and a heated body support frame B, wherein each part comprises a frame hole.
Furthermore, the support frame of the heated body A and the support frame of the heated body B are positioned on the same plane, or the support frame of the heated body B is lower than the support frame of the heated body A and is in a step shape.
Further, the vibration sensors are at least two.
Furthermore, the upper part of the guide rod above the vibration sensor extends out of the upper surface of the support frame of the heated body.
Further, the vibration sensor also comprises a weight sensor, wherein the weight sensor is positioned at the bottom of the vibration sensor, and the weight sensor is electrically connected with the microprocessor.
Further, the device also comprises a flow sensor, wherein the flow sensor is positioned on the air inlet pipe; the flow sensor is electrically connected with the microprocessor.
Compared with the prior art, the method has the following advantages:
1. through the vibration sensor, whether water is boiled or not can be accurately judged;
2. according to the set conditions, the aim of automatic flameout is achieved through the microprocessor, the automatic control switch and the flameout protection circuit.
Drawings
Fig. 1 is a schematic structural diagram 1 of an automatic flameout device of a gas stove according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram 2 of an automatic flameout device of a gas stove according to an embodiment of the present invention;
fig. 3 is a schematic view of the working flow of the automatic flameout device of the gas stove according to the embodiment of the present invention;
the figures are labeled as follows:
01. the device comprises a heated body supporting frame 111, a heated body supporting frame A, a heated body supporting frame 112, a heated body supporting frame B, 02, frame holes, 03, a spring base, 04, a baffle plate, 05, a spring, 06, a guide rod, 07, a vibration sensor, 08, a microprocessor, 09, an automatic control switch, 10, a temperature control switch, 11, a thermocouple, 12, a thermoelectric magnetic control valve, 13, a weight sensor, 14 and a flow sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Description of the name:
the automatic control switch is used for controlling the switching on and switching off of the flameout protection circuit; relays, contactors, D/a converters, logic circuits, or chip-integrated intelligent switches, etc. are generally used.
Implementation example one
As shown in fig. 1, fig. 1 is a schematic structural diagram 1 of an automatic flameout device of a gas stove according to an embodiment of the present invention;
an automatic flameout device of a gas stove comprises a flameout protection circuit, and further comprises a heated body support frame, a vibration sensor 07, a microprocessor 08 and an automatic control switch, wherein the vibration sensor 07 penetrates through the heated body support frame 01 through a guide rod 06; the automatic control switch is electrically connected with the microprocessor 08; the vibration sensor 07 is electrically connected with the microprocessor 08; the automatic control switch is electrically connected with the flameout protection circuit to form a serial circuit. After the heated body is boiled, the vibration sensor 07 receives the vibration signal and continues for a certain time, and when the vibration amplitude of the received vibration signal reaches a set value, the signal is sent to the microprocessor 08, the microprocessor 08 identifies and records the position and the type of the heated body, the microprocessor 08 sends a signal to the automatic control switch, the flameout protection system circuit is cut off, the gas is disconnected, and the stove automatically flameout.
The vibration sensor 07 is connected with an address module S for the microprocessor 08 to identify different vibration sensor 07 addresses.
The flameout protection circuit consists of a temperature control switch 10, a thermocouple 11 and a thermoelectric magnetic control valve 12.
Furthermore, a baffle 04 is fixed on the guide rod 06, the baffle 04 is positioned below the top plate of the cooking bench, a spring 05 is arranged at the lower part of the guide rod 06, and the lower end of the spring 05 is fixed on a spring base 03 arranged in the cooking bench.
The support frame 01 of the heated body is provided with two frame holes 02 marked as a frame hole A and a frame hole B; one rack hole is positioned at the position of the heated body support frame 01 far away from the burner and is marked as a rack hole A, and the other rack hole is positioned at the position of the heated body support frame 01 near the burner and is marked as a rack hole B; a guide rod E penetrates through the frame hole A, a guide rod F penetrates through the frame hole B, a spring O is arranged at the lower part of the guide rod E, a spring P is arranged at the lower part of the guide rod F, the guide rod E is connected with a vibration sensor C, and the guide rod F is connected with a vibration sensor D.
Furthermore, at least three support frames 01 of the heated body are provided.
Furthermore, the heated body support frame 01 is divided into two parts, namely a heated body support frame A111 and a heated body support frame B112, each part comprises a frame hole 02, and the part of the heated body support frame 01 corresponding to the frame hole A is called as the heated body support frame A111; the part of the heated body support frame 01 corresponding to the frame hole B is called B heated body support frame 112.
Further, the heated body support frame 111 a and the heated body support frame 112B are located on the same plane, or the heated body support frame 112B is lower than the heated body support frame 111 a and is in a step shape.
The A type heating body is arranged on the A type heated body support frame 111, the B type heated body is arranged on the B type heated body support frame 112, the A type heating body and the B type heated body are respectively a cooker for cooking and a cooker for boiling water, and the cooker for cooking and the cooker for boiling water can be freely set according to requirements.
Further, the lower end of the guide rod 06 of the vibration sensor 07 is in a reverse conical shape or a circular arc shape.
Further, the vibration sensor A and the vibration sensor B are respectively at least one.
Furthermore, the upper part of the guide rod 06 on the vibration sensor 07 extends out of the upper surface of the heated body support frame 01, and the extending part is about 2 mm.
Example two
As shown in the drawings, fig. 2 is a schematic structural diagram 2 of an automatic flameout device of a gas stove according to an embodiment of the present invention;
the difference from the first embodiment is that a weight sensor 13 is further included, the weight sensor 13 is located at the bottom of the micro-control switch guide rod 06, and the weight sensor 13 is electrically connected with the microprocessor 08.
The weight sensor 13 is used to measure the weight of the heated body. Setting the maximum firing time according to the weight, or setting the fire-off condition according to the weight-losing proportion.
The device also comprises a flow sensor 14, wherein the flow sensor 14 is positioned on the air inlet pipe; the flow sensor 14 is electrically connected with the microprocessor 08; the flow sensor 14 is used to detect the flow of gas in the intake pipe. And if the obtained gas flow is more than 0, judging that the gas is not disconnected.
Example three
As shown in fig. 3, fig. 3 is a schematic view of a working flow of an automatic flameout device of a gas stove according to an embodiment of the present invention.
Step S201, setting an automatic flameout condition;
the types of the heated bodies comprise a type A heated body and a type B heated body; the type A signal is received to identify and record as a type A heated body, the type B signal is received to identify and record as a type B heated body, the type A heated body is used for cookers for boiling water, and the type B heated body is used for cookers for cooking.
Setting automatic flameout conditions, including that after the A-class heated body vibrates for a certain time and the vibration amplitude reaches a set value a1, timing, and sending a flameout command after a set time t1, and after the B-class heated body vibrates for a certain time and the vibration amplitude reaches a set value B1, timing, and sending a flameout command after a set time t 2.
Further, automatic flameout conditions are set, wherein the automatic flameout conditions comprise that when the weight of the A-class heated body is g1, a flameout command is sent after the heating time is t5, and when the weight of the B-class heated body is g2 kg, a flameout command is sent after the heating time is t 6.
Further, automatic flameout conditions are set, wherein the automatic flameout conditions comprise that when the weight reduction proportion of the A-type heated body reaches g3, a flameout command is sent, and when the weight reduction proportion of the B-type heated body reaches g3, a flameout command is sent.
The processor is provided with the corresponding relation between the type of the heated body and the data signal.
Defining that the A1 signal is corresponding to the signal sent by the heated body of class A of the range A, and defining that the B1 signal is corresponding to the signal sent by the heated body of class B of the range A; the definition a2 signal is transmitted corresponding to the class a heated object of the B focus, and the definition B2 signal is transmitted corresponding to the class B heated object of the B focus.
The automatic flameout device is provided with two vibration sensors, namely a vibration sensor E and a vibration sensor F, which are respectively corresponding to an address module G and an address module H; each vibration sensor is associated with different IP, and the processor identifies the address of the vibration sensor by identifying different IP; the signal sent by the vibration sensor E is an A signal, and the type of the corresponding heated body is an A-type heated body; the signal sent by the vibration sensor F is a signal B, and the type of the corresponding heated body is a B-type heated body.
Step S203, judging the type of the heated body;
and judging whether the range A or the range B is the heated object of the type A or the heated object of the type B according to the received signal.
Specifically, here, receiving the a1 signal identifies the group a heated body recorded as a range, and receiving the B1 signal identifies the group B heated body recorded as a range; the reception of the a2 signal identifies the group a heated body recorded as the B range, and the reception of the B2 signal identifies the group B heated body recorded as the B range.
Step S204, recording the type of the heated body;
specifically, here, receiving the a 1-type signal identifies the type a heated body recorded as a range, and receiving the B1-type signal identifies the type B heated body recorded as a range; receiving the a 2-class signal identifies the class a heated body recorded as a B range, and receiving the B2-class B heated body recorded as a B range.
Step S205, collecting the weight and vibration information of the heated body;
collecting related information of a heated body, including the heating time of the heated body, the weight of the heated body and the vibration information of the heated body; when the double-range type water heater is used for double ranges, at least four weight sensors and at least two corresponding sensors in the same class are respectively arranged on the range A, and the heated body in the class A and the heated body in the class B corresponding to the range A are required; and the B range is also provided with at least two corresponding sensors in the same class, namely a heated body of class A and a heated body of class B corresponding to the B range.
Step S206, comparing the acquired vibration information of the heated body with the vibration information in the preset flameout condition;
and step S207, when the vibration amplitude reaches a set threshold value, sending a flameout command.
Step S208, receiving the return flameout information;
here, the received return flameout information mainly judges whether flameout is really realized. The method is adopted, the gas flow in the gas inlet pipe is detected by using the flow sensor, and whether flameout occurs or not is further judged, and the judgment can also be carried out by adding a capacitance switch in a circuit and by on-off signals of the switch; the on-off signal of the thermoelectric magnetic control valve in the flameout protection circuit can be used for judging, and the infrared flame signal can be used for judging. And collecting signals and adding corresponding devices according to the requirements.
In step S209, it is determined whether or not a misfire occurred.
Step S210, if the flame is not extinguished, comparing the current weight with the initial weight, and calculating a weight reduction proportion; jump to step S217 if flame off.
And (4) calculating the weight loss proportion, namely subtracting the currently obtained weight value from the firstly obtained weight value, and dividing the obtained weight value by the firstly obtained weight value.
And step S211, sending a flameout command when the weight loss proportion is reached.
In step S212, return flame-out information is received.
In step S213, it is determined whether or not a misfire occurred.
Step S214, if the flame is not extinguished, comparing the initial weight, the total heating time and a set value; jump to step S217 if flame off.
In step S215, when the heating time is reached, a stop command is sent.
And step S216, receiving the return flameout information and confirming flameout.
In step S217, an instruction is sent to reset the misfire protection circuit.
The preset conditions comprise that when the vibration sensor B is used for heating water of a heated body, the vibration sensor is judged to be that the water is already boiled when the vibration reaches a certain amplitude, and flameout is carried out after 1 minute; if not, extinguishing the fire; and performing flameout processing according to the weight difference measured by the weight sensor when the weight loss reaches 20%, and performing flameout processing according to the maximum fire-off time set by the initial weight if flameout is not performed yet. Similarly, when the vibration sensor A is used for cooking, the vibration sensor A is used for processing according to the logic.
The closing time of the stove is set after the water is boiled, and the gas is closed after 1 minute when the heated body is heated; the gas is closed after 20 minutes when the heated body cooks, and the time can be freely set.
Here, there is a system when the gas range is a single range. When the gas stove is an AB double stove, the number of the thermoelectric magnetic control valves is two, the gas of the stove A and the gas of the stove B are controlled separately, the number of the vibration sensors is four, each stove corresponds to two vibration sensors respectively, the vibration sensor B1 is used for identifying the situation that the stove A controls the heated body to be heated to boil water, the vibration sensor A1 is used for controlling the situation that the stove A is heated by the heated body to cook, the vibration sensor B2 is used for identifying the situation that the stove B controls the heated body to be heated to boil water, and the vibration sensor A2 is used for controlling the situation that the stove B is heated by the heated body to cook. After the microprocessor receives the signal, the microprocessor controls the automatic control switch, the original flameout protection system is disconnected through the automatic control switch, and after the gas stove is flamed out, the flameout protection system is reset.
The microprocessor receives and receives signals of the vibration sensor and the weight sensor, and an automatic control switch disconnection circuit, a reset circuit and a flameout protection system controlled by the microprocessor are the prior art. And will not be described in detail.
The microprocessor is a single chip microcomputer containing a processing program.
The utility model discloses utilize vibration sensor, can accurately judge whether water is boiled, water is boiled the back, and transfer information arrives microprocessor, microprocessor inform the automatic control switch open circuit who connects among the flame-out protection system, and then close the gas, reach automatic flame-out purpose.
The above description is only exemplary of the present invention and should not be taken as limiting, since any modifications, substitutions, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An automatic flameout device of a gas stove comprises a flameout protection circuit and is characterized by further comprising a heated body support frame (01), a vibration sensor (07), a microprocessor (08) and an automatic control switch (09), wherein the vibration sensor (07) penetrates through the heated body support frame (01) through a guide rod (06); the automatic control switch (09) is electrically connected with the microprocessor (08); the vibration sensor (07) is electrically connected with the microprocessor (08); the automatic control switch (09) is electrically connected with the flameout protection circuit to form a serial circuit.
2. The automatic flameout device of a gas stove as claimed in claim 1, characterized in that the heated body support frame (01) is provided with two frame holes (02) which are respectively located at a position far away from the burner and a position close to the burner on the heated body support frame (01); each frame hole (02) is penetrated with 1 guide rod (06).
3. The automatic flameout device of a gas stove as claimed in claim 1, wherein there are at least two supports (01) for the heated body.
4. The automatic flameout device of a gas stove as claimed in claim 2, characterized in that the heated body support frame (01) is divided into two parts, a heated body support frame (111) and B heated body support frame (112), each part comprising a frame hole; the supporting frame (111) of the heated body A and the supporting frame (112) of the heated body B are positioned on the same plane, or the supporting frame (112) of the heated body B is lower than the supporting frame (111) of the heated body A and is in a step shape.
5. The automatic flameout device of a gas range as claimed in claim 1, wherein the vibration sensors (07) are at least three.
6. The automatic flameout device of a gas stove as claimed in claim 1, characterized in that the upper part of the guide rod (06) above the vibration sensor (07) extends out of the upper surface of the heated body support frame (01).
7. The automatic flameout device of a gas stove according to claim 1, further comprising a weight sensor (13), wherein the weight sensor (13) is located at the bottom of the vibration sensor (07), and the weight sensor (13) is electrically connected with the microprocessor (08).
8. The automatic flameout device of a gas stove according to claim 1, further comprising a flow sensor (14), wherein the flow sensor (14) is located on the gas inlet pipe; the flow sensor (14) is electrically connected with the microprocessor (08).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303570.6U CN210568589U (en) | 2019-03-11 | 2019-03-11 | Automatic flameout device of gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303570.6U CN210568589U (en) | 2019-03-11 | 2019-03-11 | Automatic flameout device of gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210568589U true CN210568589U (en) | 2020-05-19 |
Family
ID=70635414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920303570.6U Expired - Fee Related CN210568589U (en) | 2019-03-11 | 2019-03-11 | Automatic flameout device of gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210568589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017509A (en) * | 2019-03-11 | 2019-07-16 | 孙庆新 | A kind of gas-cooker automatic cut off device |
-
2019
- 2019-03-11 CN CN201920303570.6U patent/CN210568589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017509A (en) * | 2019-03-11 | 2019-07-16 | 孙庆新 | A kind of gas-cooker automatic cut off device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210568589U (en) | Automatic flameout device of gas stove | |
| CN102563721A (en) | Automatic fire controlled gas range | |
| JP3751358B2 (en) | Flame leakage prevention device and pan diameter detection device in a stove | |
| CN216431830U (en) | Temperature sensing probe structure for induction cooker | |
| KR101614089B1 (en) | Induction range | |
| CN210568590U (en) | Automatic flameout device of gas stove | |
| CN107726389A (en) | Electromagnetic oven cooker and dry burning prevention control method thereof | |
| CN202521658U (en) | Automatic fire controlled gas range | |
| CN210688326U (en) | Automatic recognition device for heated body of gas stove | |
| CN210425132U (en) | Gas kitchen ranges | |
| CN103216858B (en) | Automatic control method for gas stove | |
| CN206682996U (en) | A kind of warning device for kitchen use | |
| CN214332693U (en) | Burner assembly and gas stove | |
| CN110207160A (en) | Burner with pot overflow detection function and pot overflow detection method | |
| CN110017509A (en) | A kind of gas-cooker automatic cut off device | |
| KR101360077B1 (en) | Gas range have avoid overheating device | |
| CN202253797U (en) | Anti-dry control device for gas stove | |
| CN206496377U (en) | A kind of gas furnace of environment-friendly and energy-efficient intelligent controlling | |
| CN109386848B (en) | Intelligent kitchen range and control method thereof | |
| CN211952852U (en) | Cooking utensils | |
| KR20160045293A (en) | Range using both gas and electricity with safety and alarm device and method for controlling safety | |
| CN219588998U (en) | Dry combustion method safety assembly is prevented to human detection function | |
| CN110613328B (en) | Protection method and system for cooking appliance and cooking appliance | |
| CN210568588U (en) | Temperature detection device for heated body of gas stove | |
| CN212378019U (en) | Dry burning prevention device and gas stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |