CN209116391U - A kind of micro computer timing intelligent gas-burning stove - Google Patents

Abstract

The utility model discloses a microcomputer timing intelligent gas stove, which belongs to the technical field of gas stoves. The microcomputer timing control switch is composed of a microcomputer control chip, a display screen, a time regulator and a driving switch. The display screen, the time regulator and the driving switch are all electrically connected to the microcomputer control chip, and the output end of the driving switch is connected to the thermoelectric valve of the thermocouple solenoid valve. The loop is connected; the microcomputer timing control switch is embedded on the shell panel of the stove body, and is externally connected with a power supply. The microcomputer timing intelligent gas stove has a simple structure and reliable performance. Under the condition of ensuring the existing safe working conditions, it can realize the controllable burning work of the gas stove, which can greatly avoid people forgetting the things cooked on the gas stove and burning the gas stove. It can lead to serious safety accidents such as burning pots and even fires.

Description

A microcomputer timing intelligent gas stove

technical field

The utility model belongs to the technical field of gas stoves, in particular to a microcomputer timing intelligent gas stove.

Background technique

Gas stoves refer to kitchen appliances that are heated by direct fire with gas fuels such as liquefied petroleum gas (liquid), artificial gas, and natural gas. Considering that the leakage of liquefied petroleum gas, artificial gas or natural gas may cause safety accidents, the state has added a new content to the quality certification of gas stoves, that is, a flameout protection device must be installed to cut off the gas supply when the gas stove is accidentally turned off. Thereby avoiding the occurrence of major dangers caused by gas leakage. However, the existing gas stoves are powerless for those accidents such as burning meals or even causing kitchen fires due to overheating. Because the domestic gas stoves widely used in the market are generally controlled by traditional manual switches, the personnel using the gas stoves are required to operate and supervise the gas stoves when cooking or cooking with the gas stoves. In daily life, it takes a long time to make soup, decoction, etc. It will be boring and time-wasting to stay beside the gas stove all the time. If you leave the gas stove in use for a short period of time due to other work, it will be easy to forget, and the gas stove is always on, which will burn the food at light, and cause a kitchen fire at worst.

As a person skilled in the art, it is necessary to propose technical improvements to the deficiencies of the prior art, and to provide a technology that can automatically extinguish the gas stove.

Utility model content

In order to solve the above problems existing in the prior art, the utility model provides a microcomputer timing intelligent gas stove.

The technical scheme of the present utility model is as follows:

A microcomputer timing intelligent gas stove, comprising a stove body, a gas pipeline arranged in the stove body, a thermocouple solenoid valve arranged on the gas pipeline, and a microcomputer timing control switch, the microcomputer timing control switch is composed of It consists of a microcomputer control chip, a display screen, a time regulator and a drive switch. The display screen, the time regulator and the drive switch are all electrically connected to the microcomputer control chip, and the output end of the drive switch is connected to the drive switch. The thermoelectric circuit of the thermocouple solenoid valve is connected; the microcomputer timing control switch is embedded on the shell panel of the stove body, and is externally connected with a power supply.

Preferably, the microcomputer control chip is an STC control chip.

Preferably, the time regulator is a capacitive touch time regulator.

Further preferably, the touch panel of the capacitive touch time regulator is provided with a 1-minute time adjustment key, a 5-minute time adjustment key and a cancel/start key.

Preferably, the drive switch is a photoelectric switch.

Preferably, the power source is a battery.

Preferably, the microcomputer timing control switch further includes a buzzer, and the buzzer is electrically connected to the microcomputer control chip.

Preferably, the microcomputer timing control switch further includes a voltage detector, and the voltage detector is connected in parallel with the connection circuit between the microcomputer control chip and the power supply.

Preferably, the shell panel is a tempered glass panel.

Preferably, the microcomputer timing intelligent gas stove further includes a remote control, the remote control includes a remote control chip, and the remote control chip is electrically connected with an infrared temperature detector, a signal transmitter and a mode setter. , the infrared temperature detector, the signal transmitter and the mode setting device are integrated structures; the microcomputer control chip is connected with a signal receiver, and the remote control chip and the microcomputer control chip pass through the The signal transmitter and the signal receiver are in communication connection.

Compared with the prior art, the technical solution provided by the present utility model has the following beneficial effects or advantages:

The microcomputer timing intelligent gas stove provided by the utility model, by adding a microcomputer timing control switch on the thermoelectric circuit of the thermocouple solenoid valve, the microcomputer timing control switch controls the thermocouple solenoid valve to automatically close the gas passage when the preset time arrives , so as to achieve the purpose of turning off the gas when the gas stove is controllable. The microcomputer timing intelligent gas stove has a simple structure and reliable performance. Under the condition of ensuring the existing safe working conditions, it can realize the controllable burning work of the gas stove, which can greatly avoid people forgetting the things cooked on the gas stove and burning the gas stove. It can lead to serious safety accidents such as burning pots and even fires.

Description of drawings

Fig. 1 is the structural representation of the first embodiment of the present utility model;

2 is a circuit block diagram of Embodiment 1 of the present invention;

FIG. 3 is a circuit block diagram of the remote controller in the second embodiment of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms, such as those defined in general dictionaries, should be understood to have meanings consistent with their meanings in the context of the prior art, and not to be taken in idealized or overly formal meanings unless specifically defined to explain.

Example 1

As shown in FIG. 1-FIG. 2, an embodiment of the present utility model provides a microcomputer timing intelligent gas cooker, which includes a cooktop body 1, a gas pipeline arranged in the cooker body, and a thermocouple electromagnetic device arranged on the gas pipeline. The valve 2 also includes a microcomputer timing control switch 3. The microcomputer timing control switch 3 is composed of a microcomputer control chip 31, a display screen 32, a time regulator 33 and a drive switch 34. The display screen 32, the time regulator 33 and the drive switch 34 are all They are respectively electrically connected to the microcomputer control chip 31, and the output end of the drive switch 34 is connected to the thermoelectric circuit of the thermocouple solenoid valve 2;

In the microcomputer timing intelligent gas stove provided by the embodiment of the present invention, by adding a microcomputer timing switch 3 to the thermoelectric circuit of the thermocouple solenoid valve 2, the microcomputer timing control switch 3 controls the thermocouple solenoid valve when the preset time arrives. Automatically close the gas passage, so as to achieve the purpose of turning off the gas when the gas stove is controllable. The microcomputer timing intelligent gas stove has a simple structure and reliable performance, and under the condition of ensuring the existing safe working conditions, it can realize the controllable burning work of the gas stove, and can greatly prevent people from forgetting the things cooked on the gas stove. This can lead to serious safety accidents such as sticking pots and even fires.

In the specific implementation process, it should be noted that the thermocouple solenoid valve 2 in the embodiment of the present invention is a solenoid valve with a thermocouple. The valve is arranged on the gas pipeline, and the thermocouple is electrically connected with the electromagnetic valve to form a thermoelectric circuit.

In the specific implementation process, there are many microcomputer control chips that can be used as the microcomputer timing control switch 3, such as XLT437 control chip, CD4541 chip, etc. As an option, the microcomputer control chip 31 in the embodiment of the present invention specifically adopts the STC control chip . The STC control chip has the advantages of strong encryption, strong anti-interference ability, ultra-low power consumption, in-system programmability, no need for a programmer, and can be remotely upgraded. Using the STC control chip as the microcomputer control chip in the embodiment of the present invention can improve the The microcomputer measures the stability and operability of the intelligent gas stove.

In the specific implementation process, since the microcomputer timing control switch 3 in the embodiment of the present invention is used on the gas stove, it is required that the microcomputer timing control switch 3 must be exquisite and cannot occupy too much the shell panel of the gas stove. Otherwise, it may affect the user's use of the gas stove, and the display screen 32 in the microcomputer timing control switch 3 is the main device that needs to occupy the shell panel of the gas stove. Therefore, in order to make the display screen 32 occupy less gas The housing panel of the stove, the display screen 32 in the embodiment of the present invention can be an LCD display screen. Compared with other conventional display screens, the LCD display screen has the advantages of low power consumption, small size and low radiation. Of course, other display screens with low power consumption and small size can also be used, such as LED display screens, etc., which are not limited here.

In the specific implementation process, the time regulator 33 is used as a component for setting the time in the microcomputer timing control switch 3. If a physical physical adjustment component, such as an adjustment knob, is used, it will be difficult to clean due to the heavy fumes in the kitchen. Therefore, , as a preferred embodiment of the present utility model, the time regulator 33 specifically adopts a capacitive touch time regulator, that is, a capacitive screen touch key is used to set the time of the microcomputer timing control switch 3 . It avoids the contamination of physical physical keys by kitchen oil fume, and is convenient for users to clean up. In addition, it should be noted that the capacitive touch time adjuster in the embodiment of the present invention has the same principle as the capacitive touch time adjuster on the existing microwave oven, oven or induction cooker, and is no longer exhausted here. described.

In the specific implementation process, the timing range of the microcomputer timing control switch 3 in the embodiment of the present invention is usually set within 1 minute to 120 minutes. In order to facilitate the user to adjust the time, it is further preferred that the embodiment of the present invention The touch panel of the capacitive touch time adjuster is provided with a 1-minute time touch adjustment key, a 5-minute time touch adjustment key, and a cancel/start touch key, and the user touches the 1-minute time Adjustment key and 5 minutes time The touch adjustment key can easily set any time from 1 minute to 120 minutes.

In the specific implementation process, the driving switch 34 in the embodiment of the present invention is an electronic switch with a driver, and the microcomputer control chip 31 is electrically connected to the driver on the driving switch 34, and then the electromagnetic control chip 31 is controlled by the driver. The opening and closing of the switch. Preferably, the drive switch 34 in the embodiment of the present invention is a photoelectric switch. The photoelectric switch has the advantages of small size, long life, high precision, fast response speed and strong resistance to light, electricity and magnetic interference. The service life of the microcomputer-timed intelligent gas stove can be prolonged.

In the specific implementation process, the microcomputer timing control switch 3 is powered by an external power supply 4. Considering that the power consumption of the microcomputer timing control switch 3 is not high, a battery can be used to power the microcomputer timing control switch 3. There are many types of batteries. , as a preference, the power supply 4 in the embodiment of the present utility model specifically adopts a storage battery, which can be charged and discharged, and can be used repeatedly, thus saving costs.

In the specific implementation process, in order to prompt the user that the gas stove has been turned off, it is further preferred that the microcomputer timing control switch 3 in the embodiment of the present invention further includes a buzzer 35 , and the buzzer 35 is electrically connected to the microcomputer control chip 31 . A buzzer is set. When the time set by the user arrives, the microcomputer control chip 31 controls the thermocouple solenoid valve 2 to close the gas channel, and at the same time controls the buzzer 35 to sound to notify the user.

In the specific implementation process, preferably, the microcomputer timing control switch 3 in the embodiment of the present invention further includes a voltage detector 36, and the voltage detector 36 is connected in parallel to the connection circuit between the microcomputer control chip 31 and the power supply 4. The voltage detector 36 detects the voltage of the microcomputer timing control switch 3 when the microcomputer timing control switch 3 starts to work. If the voltage is insufficient, "Lb" is displayed on the display screen 32, and then enters the shutdown state; if the voltage is normal, then enter the normal working state. It should be noted that the voltage detector 36 provided in the embodiment of the present invention may be a voltage detection chip, such as a HT7044 voltage detection chip, of course, may also be other voltage detectors, which are not limited herein.

In the specific implementation process, there are many materials for the shell panel of the cooktop 1, such as alloy panel, stainless steel panel, etc. Strong and durable, and beautiful, especially suitable for kitchen use.

The working principle of the microcomputer timing control switch 3 of the microcomputer timing smart gas stove provided by the embodiment of the present invention is as follows: pressing the cancel/start touch key on the time regulator 33, the microcomputer timing control switch 3 starts to work, and pressing the The 1-minute time touch adjustment key and/or the 5-minute time touch adjustment key on the time regulator 33 is used to set the time, and the microcomputer control chip 31 processes the obtained information and outputs it to the display screen 32, which is displayed by the display. The screen 32 displays the set time. After the time is set, the microcomputer timing control switch 3 enters a countdown state. At this time, the microcomputer control chip 31 outputs a control signal, so that the drive switch 34 is in a conducting state, so that the current of the thermoelectric circuit is smooth. Thermocouple solenoid valve 2 remains open. When the time enters "0:00", the countdown ends, the microcomputer control chip 31 outputs a control signal, the drive switch 34 is turned off, the current of the thermoelectric circuit is cut off, the thermocouple solenoid valve 2 is closed, the gas supply is cut off, and the gas stove is extinguished , so as to achieve the purpose of timing control of the gas stove. In addition, the microcomputer control chip 31 controls the buzzer 35 to alarm after the control drive switch 34 is turned off. When the user presses the clear/stop touch key, the microcomputer control chip 31 controls the buzzer 35 to stop the alarm and control the drive The switch 34 is reset and closed (note: due to the functional limitation of the solenoid valve, the thermoelectric circuit is closed at this time and the gas channel cannot be opened automatically), and then the microcomputer timing control switch 3 is controlled to enter the sleep state. In the time setting stage, press the 1-minute time touch adjustment key or the 5-minute time touch adjustment key once, the key time will be increased by one time, only increase but not decrease, and if the setting is wrong, press the clear/stop touch key Clear the set time number and reset it. When the microcomputer timing control switch 3 enters the countdown stage, press the clear/stop touch key once to stop the countdown, press it twice in a row to clear the remaining time of the countdown, and turn off the microcomputer control chip 31 The trigger signal to the drive switch 34 will automatically sleep after 5 minutes of inactivity.

Embodiment 2

The difference between the embodiment of the present invention and the above-mentioned embodiment is that the microcomputer timing intelligent gas stove in the embodiment of the present invention further includes a remote control, as shown in FIG. 3 , the remote control includes a remote control chip 51 , the remote control chip 51 is electrically connected with an infrared thermometer 52, a signal transmitter 53 and a mode setter 54. As shown in FIG. 3, the remote control chip 51, the infrared thermometer 52, the signal transmitter 53 and the mode setter 54 It is an integrated structure; the microcomputer control chip 31 is connected with a signal receiver, and the remote control chip 51 and the microcomputer control chip 31 communicate with the signal receiver through the signal transmitter 53 .

Wherein, the remote control chip 51 in the embodiment of the present invention is an existing conventional remote control chip, such as M50436-560SP, etc., which is not limited herein. The infrared temperature detector 52 in the embodiment of the present invention also adopts a conventional existing infrared temperature detector, such as an infrared temperature sensor, etc., which is not limited here. The mode setter 54 in the embodiment of the present invention also adopts the conventional existing mode setter, considering that there are many kitchen utensils, such as casserole, steamer, frying pan, etc., and the temperature of each type of pot is different , therefore, the mode setter in the embodiment of the present invention at least includes setting keys for a casserole, a steamer, and a frying pan.

The method of using the remote controller in the embodiment of the present utility model is as follows:

The remote control is installed near the microcomputer timing smart gas stove, such as on a range hood above the microcomputer timing smart gas stove, so that the infrared thermometer 52 is facing the microcomputer timing smart gas stove. When the user uses the microcomputer to time the intelligent gas stove for cooking, for example, the casserole is used to cook soup, then the casserole key is selected through the mode setter 54, and then the soup starts to cook. When the casserole appears to be dry, the temperature of the casserole will rise abnormally. , when it rises to the preset temperature of the casserole, the infrared thermometer 52 transmits an electrical signal to the remote control chip 51, and the remote control chip 51 sends a signal to the microcomputer control chip 31 through the signal transmitter 53. After the signal sent by the remote control chip 51, the control signal is output, so that the drive switch 34 is turned off, the current of the thermoelectric circuit is cut off, the thermocouple solenoid valve 2 is closed, the gas supply is cut off, and the gas stove is extinguished, thereby achieving the purpose of preventing dry burning of the casserole. .

The present utility model is not limited to the above-mentioned optional embodiments, and anyone can draw other various forms of products under the inspiration of the present utility model. The technical solutions within the scope defined by the claims all fall within the protection scope of the present invention.

Claims (9)

1. A microcomputer timing intelligent gas stove, comprising a stove body, a gas pipeline arranged in the stove body and a thermocouple solenoid valve arranged on the gas pipeline, it is characterized in that, also comprises a microcomputer timing control switch, so The microcomputer timing control switch is composed of a microcomputer control chip, a display screen, a time regulator and a driving switch. The display screen, the time regulator and the driving switch are all electrically connected to the microcomputer control chip, respectively. The output end of the switch is connected to the thermoelectric circuit of the thermocouple solenoid valve; the microcomputer timing control switch is embedded on the shell panel of the cooker, and is externally connected with a power supply; it also includes a remote control, the remote control includes A remote control chip, the remote control chip is electrically connected with an infrared thermometer, a signal transmitter and a mode setter, the remote control chip, the infrared thermometer, the signal transmitter and the mode setter are: An integrated structure; the microcomputer control chip is connected with a signal receiver, and the remote control chip and the microcomputer control chip are communicated and connected through the signal transmitter and the signal receiver. 2 . The microcomputer timing intelligent gas stove according to claim 1 , wherein the microcomputer control chip is an STC control chip. 3 . 3 . The microcomputer timing smart gas stove according to claim 1 , wherein the time regulator is a capacitive touch time regulator. 4 . 4 . The microcomputer timing intelligent gas cooker according to claim 3 , wherein the touch panel of the capacitive touch time regulator is provided with a 1-minute time touch adjustment key and a 5-minute time touch adjustment key. 5 . and cancel/enable touch key. 5 . The microcomputer timing intelligent gas cooker according to claim 1 , wherein the driving switch is a photoelectric switch. 6 . 6 . The microcomputer timing intelligent gas stove according to claim 1 , wherein the power source is a battery. 7 . 7 . The microcomputer timing intelligent gas stove according to claim 1 , wherein the microcomputer timing control switch further comprises a buzzer, and the buzzer is electrically connected to the microcomputer control chip. 8 . 8 . The microcomputer timing intelligent gas cooker according to claim 1 , wherein the microcomputer timing control switch further comprises a voltage detector, and the voltage detector is connected in parallel with the connection circuit between the microcomputer control chip and the power supply. 9 . superior. 9 . The microcomputer timing intelligent gas cooker according to claim 1 , wherein the casing panel is a tempered glass panel. 10 .