CN210118787U

CN210118787U - Intelligent stove safety monitoring device

Info

Publication number: CN210118787U
Application number: CN201920138183.1U
Authority: CN
Inventors: 韩青艺
Original assignee: Qingdao Technician College
Current assignee: Qingdao Technician College
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-02-28
Anticipated expiration: 2029-01-17

Abstract

An intelligent stove safety monitoring device comprises a motor reducing mechanism, a supporting frame, rubber vacuum chucks, a connecting magnet, a cylindrical shell, a power supply, a charging socket, a temperature detection circuit, a temperature probe, a remote control circuit, a time circuit and a signal transmission circuit, wherein the upper part of the supporting frame is respectively arranged around the upper end of the shell of the motor reducing mechanism, the middle parts of the upper ends of a plurality of rubber vacuum chucks and the lower ends of a plurality of supporting frames are respectively arranged together, wherein, the upper part of one connecting magnet is arranged at the lower end of a power output shaft of the motor reducing mechanism, the other connecting magnet is arranged at the upper end of a connecting pipe of the cylindrical shell, the two connecting magnets are attracted together, and the power supply, the charging socket, the temperature detection circuit, the remote control circuit, the time circuit and the signal sending circuit are arranged in the element box and are connected with the motor reducing mechanism and the temperature probe through wires. The utility model discloses can bring the convenience for the user to can prevent that food heating capacity is too much to deteriorate, the stove from damaging and follow-up bigger occurence of failure.

Description

Intelligent stove safety monitoring device

Technical Field

The utility model relates to an intelligence house equipment field, especially an intelligent stove safety monitoring device.

Technical Field

The gas stove is a common cooking and heating tool used in people's life. When people use the stove to cook food or boil water, in practical use, people sometimes need to go out for working within the time of cooking food or boiling water, that is to say, the stove is in an unattended state at the stage.

In the prior art, an ordinary stove does not have the function of automatically closing a stove air source when the heated food is too much heated, so that during the use of the stove, if people go out for too long time or forget that the stove is in a burning state at home, the water such as the cooked food is easily burnt out due to the overlong burning time of the stove, the heated food is further damaged and can not be eaten, and the more critical point is that if the food is heated for a long time, the cooker is still easily damaged, and further a larger accident (including a fire disaster) is caused. With the development of science and technology, the internet technology is more and more applied to the aspects of the life of people, and great convenience is brought to the life of people.

Based on the above, in combination with the internet technology, when people go out in the process of heating food by using the oven, the heated food can be effectively monitored, and when the moisture of the food is about to be burnt, the air source can be automatically closed at the first time, so that the oven control device for preventing the heated food from being damaged, the cooker from being damaged and further causing more accidents is particularly necessary.

Disclosure of Invention

In order to overcome the defect that the existing common stove does not have the function of automatically closing the air source of the stove when the heated food is too much, the utility model provides that the integral equipment and the stove are in a separated state, a user can combine the integral equipment and the stove conveniently at any time according to needs, during the time when the stove heats the food in use, when the user goes out, the signal sending circuit can send the temperature data of the heated food to the mobile phone at the user in real time, the user can check the temperature change of the food heated by the stove at home in real time under the action of the existing digital signal high-low rotation oscillogram display APP installed in the mobile phone, when the temperature is too high, the air source of the stove can be closed by remote control of the mobile phone at the first time, the stove also has a temperature detecting circuit, when the food is heated to too much moisture and is about to dry, the air source of the stove can be automatically closed, the intelligent stove safety monitoring device effectively prevents the food from being heated too much and being deteriorated, the stove from being damaged and causing more accidents in the follow-up process because a user does not watch the temperature data displayed by the mobile phone outdoors.

The utility model provides a technical scheme that its technical problem adopted is:

a safety monitoring device for intelligent stove comprises a motor reducing mechanism, a support frame, a rubber vacuum chuck, a connecting magnet, a cylindrical shell, a power supply, a charging socket, a temperature detection circuit, a temperature probe, a remote control circuit, a time circuit and a signal transmission circuit, wherein the upper parts of a plurality of the +/-type support frames are respectively arranged around the upper end of the shell of the motor reducing mechanism, the middle parts of the upper ends of a plurality of the rubber vacuum chucks and the lower ends of a plurality of the support frames are respectively arranged together, the upper part of one connecting magnet is arranged at the lower end of a power output shaft of the motor reducing mechanism, the middle part of the cylindrical shell is provided with a connecting pipe, the other connecting magnet is arranged at the upper end of the connecting pipe of the cylindrical shell, the two connecting magnets are attracted together, the power supply, the charging socket, the temperature detection circuit, the remote control circuit, the time circuit and the signal, the element box is arranged in a shell at the upper end of the motor reducing mechanism, the temperature probe comprises a thermistor and a temperature control switch, the thermistor and the temperature control switch are arranged in a heat-resistant insulating shell, the temperature sensing surfaces of the thermistor and the temperature control switch are positioned at the lower end of the shell and the lower end of the shell are positioned at the same plane, the positive electrode and the negative electrode of a power supply and two terminals of a charging socket are respectively connected through leads, the positive electrode of the power supply is connected through a power supply switch and one end of the thermistor, one end of the temperature control switch and one end of a remote control circuit, a time circuit and the positive power supply input end of a signal sending circuit through leads, the negative electrode of the power supply is connected with the positive power supply input end of the temperature detection circuit, the remote control circuit, the time circuit and the negative power supply input end of the signal sending circuit through, the signal output ends of the remote control circuit, the temperature detection circuit and the signal input end of the time circuit are connected through leads, and the two power output ends of the time circuit and the motor positive and negative pole power input ends of the motor speed reducing mechanism are respectively connected through leads.

The motor reducing mechanism is a motor gear reducer.

The polarity of the lower end of one of the connecting magnets is opposite to that of the upper end of the other connecting magnet.

The middle part of the side end of the cylindrical shell is provided with a plurality of openings with internal threads, a hand-operated screw is screwed into each opening, the shape of the cylindrical shell is consistent with the shape of an adjusting handle of the stove valve, and the inner diameter of the cylindrical shell is larger than the outer diameter of the adjusting handle of the stove valve.

The temperature detection circuit is a relay, and the relay control power supply input end and the negative power supply input end are connected through circuit board wiring.

The temperature control switch of the temperature probe is a kick type temperature switch.

The remote control circuit is a remote wireless controller, the remote wireless controller is matched with a relay, the relay is connected with the remote wireless controller through a circuit board in a wiring mode, the positive power input end of the relay is connected with the first path control power output end of the remote wireless controller, and the control power input end and the negative power input end of the relay are connected with the negative power input end of the remote wireless controller.

The time circuit comprises a time base integrated circuit, a polar capacitor, a resistor, a relay, an NPN triode and a non-polar capacitor, wherein the time base integrated circuit is connected with the time base integrated circuit through a circuit board in a wiring mode, the model of the time base integrated circuit is NE555, the pin 4 of the reset end of the time base integrated circuit is connected with the pin 8 of the positive power supply input end, one end of the resistor, the positive power supply input end of the relay and the positive control power supply input end, the pin 6 of the threshold end and the pin 7 of the discharge end of the time base integrated circuit are connected with the positive electrode and the other end of the polar capacitor, the pin 5 of the control end of the time base integrated circuit is connected with one end of the first non-polar capacitor, the pin 2 of the trigger end of the time base integrated circuit is connected with one end of the second non-polar capacitor, the pin 3 of the output end of the, The other end of the first non-polar capacitor, the emitting electrode of the NPN triode and the input end of the relay negative control power supply are connected.

The signal transmitting circuit comprises a single chip microcomputer module and a GPRS module, wherein the single chip microcomputer module and the GPRS module are connected through circuit board wiring, the GPRS model is ZLAN8100, the GPRS module is provided with an RS485 data input port, the master control chip model of the single chip microcomputer module is STC12C5A60S2, the single chip microcomputer module is provided with an analog signal input end and an RS485 data output port, the RS485 data output port of the single chip microcomputer module and the RS485 data input port of the GPRS module are connected through an RS485 data line, and the single chip microcomputer module and the positive and negative pole power input ends of the GPRS module are respectively connected.

The utility model has the advantages that: the utility model discloses when not using, whole equipment and stove are in the detached state at ordinary times, and when heating food with the stove, the user need go out, the user will through four vacuum chuck the utility model discloses the actuation is on the stove, and the cartridge type casing is located the adjustment handle upper end of stove valve to overlap the adjustment handle of valve at its inside lower extreme, then the user screws the outside manual screw rod of cartridge type casing, puts the casing of installation thermistor and temperature detect switch in the lid upper end of cooking utensil (for example stew the pot cover upper end of dish), thermistor and temperature detect switch's temperature sensing face and pot cover closely press close to. After the user goes out, under thermistor and signalling circuit combined action, signalling circuit can be in real time with the temperature variation of cooking utensil for the cell-phone of user's side through wireless mobile network transmission, the current digital signal height of installation changes under wave form picture display APP effect in the cell-phone, the user can look over the temperature variation of being heated food by the stove at home in real time, when the temperature is too high, the user can send out wireless shut-down instruction through the APP of cell-phone installation at the side the very first time, remote control circuit can close the air supply of stove the very first time after receiving wireless control instruction. When food in the cooker is heated to be dried due to excessive moisture, the air source of the cooker can be closed at the first time under the combined action of the temperature switch and the temperature control circuit, so that the phenomenon that the food is heated too much and becomes bad, the cooker is damaged and larger accidents are caused subsequently because a user does not watch temperature data displayed by a mobile phone outdoors is effectively prevented. The utility model discloses can bring the convenience for the user to can effectively prevent the too much emergence of worsening, stove damage and follow-up bigger accident of food heating capacity. Based on the above, so the utility model discloses good application prospect has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of two connecting magnets of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in figures 1 and 2, an intelligent stove safety monitoring device comprises a motor reducing mechanism 1, a support frame 2, rubber vacuum chucks 3, connecting magnets 4-1 and 4-2, a cylindrical shell 5, a power supply 6, a charging socket 7, a temperature detection circuit 8, a temperature probe 9, a remote control circuit 10, a time circuit 11 and a signal transmission circuit 12, wherein the upper parts of the four '+' shaped support frames 2 are respectively installed around the upper end of the shell of the motor reducing mechanism 1 through screw nuts, the middle parts of the upper ends of the four rubber vacuum chucks 3 and the lower ends of the four support frames 2 are respectively connected together by glue, the upper part of one connecting magnet 4-1 is connected to the lower end of a power output shaft 1-1 of the motor reducing mechanism by glue, the middle part of the cylindrical shell 5 is provided with a connecting pipe 5-1, the other connecting magnet 4-2 is connected to the upper end of a connecting pipe 5-1 of the cylindrical shell by glue, two connecting magnets 4-1 and 4-2 are attracted together, a power supply 6, a charging socket 7 and a temperature detection circuit 8, the remote control circuit 10, the time circuit 11 and the signal sending circuit 12 are installed in an element box 13, the element box 13 is installed in a shell at the upper end of a motor reducing mechanism 1, a temperature probe comprises a thermistor 9-1 and a temperature control switch 9-2, the thermistor 9-1 and the temperature control switch 9-2 are installed in a heat-resistant insulating shell 14 (made of engineering plastics), temperature sensing surfaces of the thermistor 9-1 and the temperature control switch 9-2 are located at the lower end of the shell 14 and are located in the same plane with the lower end of the shell 14 (a heat-insulating yellow wax pipe can be sleeved on the outer side of a lead connecting the thermistor 9-1 and the temperature control switch 9-2 to prevent the lead from being burnt due to overhigh temperature of a pot cover). The operating handle of the power switch 15 and the jack of the charging socket 7 are positioned outside the upper end of the element box 13. The motor reducing mechanism 1 is a finished product of a motor gear reducer in the positive brand department, a multi-stage gear reducing mechanism is arranged in the lower end of a shell, and when the motor reducing mechanism works, power output by a motor working rotating shaft is reduced by the multi-stage gear reducing mechanism to increase torque, and then the power is output from a power output shaft 1-1 of the motor reducing mechanism. The rubber vacuum chuck 3 is consistent with the common household rubber vacuum chuck in structure. Wherein the polarity of the lower end of one connecting magnet 4-1 is just opposite to that of the upper end of the other connecting magnet 4-2. The middle part of the side end of the cylindrical shell 5 is provided with three openings with internal threads, a hand-operated screw 5-2 is screwed into each opening, the shape of the cylindrical shell 5-2 is consistent with the shape of an adjusting handle 16 of the stove valve, and the inner diameter of the cylindrical shell 5-2 is slightly larger than the outer diameter of the adjusting handle 16 of the stove valve by 1 mm.

As shown in fig. 3, the operating handle of the power switch SK is located outside the upper end of the element case. The power source G is a 12V/5Ah lithium secondary battery. The motor reducing mechanism M is a finished product of a motor gear reducer of a positive brand department, has the working voltage of 12V and is ZK12 in model. The temperature detection circuit is a relay K2, and the control power supply input end of the relay K2 is connected with the negative power supply input end through circuit board wiring. The temperature control switch WK of the temperature probe is a snap-through temperature switch of a model KSD301, two internal normally open contacts are normally open, the detection temperature is 105 ℃, and when the temperature is 105 ℃, the two internal normally open contacts are connected. RT is the thermistor of the temperature probe. The remote control circuit is a finished product U1 of a remote wireless controller with a model CL4-GPRS of a manufacturer brand, it has two

power input ends

1 and 2 pins, four control power output terminals, working voltage is DC12V, in use, through the existing mature mobile phone APP technology, a user can respectively send out control instructions through the mobile phone APP at a far end through a wireless mobile network, after a remote wireless controller finished product U1 receives the control instructions, can respectively control the output end of the four control power supplies to output or not output power supplies, a relay K1 is matched with a finished product U1 of the remote wireless controller, the relay K1 positive power input end is connected with 3 pins of one path of control power output end of the remote wireless controller finished product U1 through circuit board wiring, and the relay K1 control power input end and the negative power input end are connected with 2 pins of the negative power input end of the remote wireless controller finished product U1. The time circuit comprises a time base integrated circuit U3, a polar capacitor C1, a resistor R, a relay K3, an NPN triode Q, a non-polar capacitor C2 and a non-polar capacitor C3 which are connected through circuit board wiring, the model of the time base integrated circuit U3 is NE555, a pin 4 at a reset end of the time base integrated circuit U3 is connected with a pin 8 at an input end of a positive power supply, one end of the resistor R, an input end of a positive power supply of the relay K3 and an input end of a positive control power supply, a pin 6 at a threshold end and a pin 7 at a discharge end of the time base integrated circuit U3 are connected with a pin 7 at a positive electrode of the polar capacitor C1 and the other end of the resistor R, a pin 5 at a control end of the time base integrated circuit U3 is connected with one end of a first non-polar capacitor C2, a pin 2 at a trigger end of the time base integrated circuit U3 is connected with one end of a second non-polar capacitor C3, the negative power supply input end 1 pin of the time base integrated circuit U3 is connected with the negative electrode of the polar capacitor C1, the other end of the first nonpolar capacitor C2, the emitting electrode of the NPN triode Q and the negative control power supply input end of the relay K3. The signal sending circuit comprises a single chip microcomputer module U4 and a GPRS module U2 which are connected through circuit board wiring, the GPRS module U2 is a GPRS module finished product of a model ZLAN8100, the working voltage of the GPRS module finished product U2 is direct current 12V, an RS485 data input port is arranged on the GPRS module finished product U2, the single chip microcomputer module U4 is a single chip microcomputer module finished product of which the main control chip model is STC12C5A60S2, an analog signal input end 3 pin and an RS485 data output port are arranged on the single chip microcomputer module finished product U4, the RS485 data output port of the single chip microcomputer module U4 is connected with the RS485 data input port of the GPRS module U2 through an RS485 data line, and a positive and negative power supply input end 1 and a negative power input end 2 pin of the single chip microcomputer module U4 are respectively connected with a positive and negative power.

As shown in figure 3, the positive and negative poles of a power supply G and the two terminals of a charging socket CZ are respectively connected through leads, the positive pole of the power supply G is connected with one end of a thermistor RT through a power switch SK, one end of a temperature control switch WK and the 1 pin of the positive power input end of a remote control circuit U1, the 8 pins of a time base integrated circuit U3 and the 1 pin of a GPRS module U2 of the positive power input end of a signal sending circuit through leads, the negative pole of the power supply G is connected with the negative power input end of a relay K2 of a temperature detection circuit, the 2 pins of the negative power input end of a remote control circuit U1, the negative pole of an electrolytic capacitor C1 of the negative power input end of a time circuit and the 2 pins of a GPRS module U2 of the negative power input end of the signal sending circuit through leads, the other end of the temperature control switch WK is connected with the positive power input end of a relay K2 of the temperature detection circuit through leads, the remote control circuit U1 signal output end relay K1 normally open contact end, the temperature detection circuit signal output end relay K2 normally open contact end and the time circuit signal input end nonpolar electric capacity C3 other end are connected through the wire, two normally open contact ends of two power output end relays K3 of time circuit and the motor M plus-minus pole power input end of motor reduction gears are connected through the wire respectively.

As shown in fig. 1, 2 and 3, when the lithium secondary battery G is not charged at ordinary times, the lithium secondary battery G can be charged by inserting the charging plug of the external 12V power supply charger into the charging socket CZ. When the utility model is not used, the whole device and the stove are separated at ordinary times, which does not occupy the space of the stove and is more convenient to use; when the user needs to go out with the stove heating food, the user will through four vacuum chuck 3 the utility model discloses the actuation is in the upper end of stove, barrel-type casing 5 is located the adjusting handle 16 upper end of stove valve to overlap the adjusting handle 16 of valve at its inside lower extreme, then the user screws the three hand-operated screw rods 5-2 in the outside of barrel-type casing 5 and the outside contact of adjusting handle 16, when guaranteeing barrel-type casing 5 to rotate, the adjusting handle 16 of valve can follow-up, put the casing 14 of installation thermistor RT and temperature detect switch WK in the lid upper end of cooking utensil (for example stew the pot cover upper end of dish) after that, thermistor RT and temperature detect switch WK's temperature face and pot cover closely press close to. After the power switch SK is turned on, the 12V power output by the power supply G enters the thermistor RT end, the temperature control switch WK end, the remote control circuit U1 power input end, the time circuit power input end and the signal sending circuit power input end, so that the thermistor RT end, the temperature control switch WK end, the remote control circuit U1, the time circuit and the signal sending circuit are in a power-on standby state. Thermistor RT, signal transmission circuit, remote control circuit U1, in the time circuit: because the temperature sensing surface of the thermistor RT is closely attached to the cooker cover, after the cooker heats food in the cooker, the cooker cover of the cooker can generate dynamic temperature change due to heat absorption, because the temperature sensing surface of the thermistor RT is closely attached to the cooker cover, the dynamically changed temperature of the cooker cover can act on the thermistor RT, the temperature of the thermistor RT can also dynamically change, and further, the resistance value of the thermistor RT can dynamically change, so that a 3-pin analog voltage signal of a power supply G entering the singlechip module U4 through the thermistor RT can also dynamically change, the higher the temperature of the cooker cover is, the lower the resistance value of the thermistor RT is, the higher the 3-pin analog voltage signal entering the singlechip module U4 is, the lower the temperature of the cooker cover is, the higher the resistance value of the thermistor RT is, the lower the 3-pin analog voltage signal entering the singlechip module U4 is, and the singlechip module U4 converts the dynamically changed analog signal into a digital signal from an RS485 data port to RS485 data line which is input to the GPRS module U2 through an RS485 Data input port, under the function of GPRS module U2 internal circuit, GPRS module U2 sends out the digital signal through the wireless mobile network, at this moment, after the user's cell-phone that establishes connection with GPRS module U2 receives the signal (there is SIM cell-phone card inside GPRS module U2, there is user's telephone number in the SIM cell-phone card), the user can observe the temperature change of the pot cover when the food is heated, namely the temperature change of the heated food, when the food is heated, the wave crest value of the wave pattern is high, when the food is heated, the wave crest value of the wave pattern is low, in this way, the user can display the wave crest value through the cell-phone, when the wave crest value reaches the high point, the pot cover temperature exceeds 105 ℃, at this moment the food moisture will be burnt dry, (can heat the cooking utensil when using the previous test, when the temperature of the cooker cover exceeds 105 ℃, the position of the APP peak value of the mobile phone is a high point), a user can send a wireless closing instruction through the APP installed by the mobile phone at the first time, and the remote control circuit U1 can close the air source of the cooker at the first time after receiving the wireless control instruction; the user sends out wireless instruction of closing through the APP of cell-phone installation by oneself, its 3 feet can the output power get into relay K1 anodal power input end behind the wireless control instruction is received to remote control circuit U1, then, relay K1 gets electric actuation its control power input end and normally open contact end closure, because, the trigger signal input nonpolar electric capacity C3 one end and relay K1 normally open contact end of time circuit are through the wire connection, relay K1's control power input end and power G negative pole communicate with each other at this moment, so this moment, the trigger signal input of time circuit can be input trigger signal. Time circuit, temperature detection circuit: after the cooker heats food in the cooker, the cooker cover of the cooker can generate dynamic temperature change due to heat absorption, because, the temperature sensing surface of the temperature control switch WK is tightly attached to the cooker cover, the temperature of the cooker cover change can act on the temperature control switch WK, the temperature of the temperature control switch WK can change, when the temperature of the cooker cover exceeds 105 ℃ (food moisture is burnt out at the moment), two contacts in the temperature control switch WK can be communicated, and then the positive pole of the relay K2 is electrified, the relay K2 attracts the control power supply input end and the normally open contact end to be closed, because, the other end of the trigger signal input end nonpolar capacitor C3 of the time circuit is connected with the normally open contact end of the relay K2 through a lead, the control power supply input end of the relay K2 is communicated with the negative pole of the power supply G, at the moment, the other end of the trigger signal input end nonpolar capacitor C36. Time circuit and motor reduction gears: when the monostable trigger consisting of a time base integrated circuit U3 and peripheral elements R thereof, a polar capacitor C1 and a nonpolar capacitor C2 of the time circuit is in a steady state after being electrified, a pin 3 of the time base integrated circuit U3 has no output, when relays K2 and K1 are electrified, the input end of an attraction control power supply and a normally open contact end are closed, and a low-level trigger signal is input into the other end of a ceramic capacitor C3, the low-level signal can enter a pin 2 of a trigger end of the time base integrated circuit U3 through the coupling of the nonpolar capacitor C3, at the moment, the pin 2 of the time base integrated circuit U3 is converted into a temporary steady state due to the input of the low-level signal, so that the pin 3 of the time base integrated circuit U3 outputs a high level for 10 seconds, the high level enters a negative power supply input end of a relay K3 through the power amplification and phase inversion of an NPN triode Q, so that the relay K3 is electrified to attract two control power supply input ends and, after 10 seconds, the transient steady state circuit is converted into a steady state again, the 3 pin of the time base integrated circuit U3 stops outputting high level, the relay K3 loses power and stops attracting the control power supply input end and the normally open contact end to be disconnected; because the relay K3 controls the two ends of the power input to be respectively connected with the positive pole and the negative pole of the power G, and the two normally open contact ends of the relay K3 are respectively connected with the positive pole and the negative pole of the motor M of the motor reducing mechanism, the motor M of the motor reducing mechanism can be powered on to work for 10 seconds at the moment, under the action of the gear reducing mechanism in the motor reducing mechanism, the power output shaft 1-1 of the motor reducing mechanism can drive the connecting magnets 4-1 and 4-2 and the cylinder-shaped shell 5 to rotate anticlockwise, the cylinder-shaped shell 5 drives the adjusting handle 16 of the stove valve to rotate anticlockwise, so the adjusting handle 16 of the stove valve moves anticlockwise to a stop point, the valve of the stove is completely closed, the stove is closed because the input gas is closed, no gas source is used for heating food, and the purpose; the connecting magnets 4-1 and 4-2 have the effects that when the power output shaft 1-1 of the motor speed reducing mechanism drives the adjusting handle 16 of the stove valve to rotate anticlockwise, and the power output shaft 1-1 of the motor speed reducing mechanism drives the adjusting handle 16 to rotate anticlockwise to a stop point actually because a margin is left in the output power time of the time circuit, the power output shaft 1-1 of the motor speed reducing mechanism can also continue to drive the adjusting handle 16 to rotate anticlockwise, in order to prevent the power output shaft 1-1 of the motor speed reducing mechanism from driving the adjusting handle to continue rotating anticlockwise to damage the adjusting handle 16, at the moment, the connecting magnet 4-1 can continue to rotate along with the power output shaft 1-1 of the motor speed reducing mechanism, the connecting magnet 4-2 is limited by the adjusting handle to stop moving, and the connecting magnet 4-1 can be in a slipping state on the connecting magnet 4-2, this effectively prevents damage to the adjustment handle 16; in practical use, the outer diameters of the two connecting magnets 4-1 and 4-2 cannot be too large (about 1 cm), and the magnetic acting force is relatively small, so that the connecting magnet 4-1 is in a slipping state on the connecting magnet 4-2. The utility model discloses can bring the convenience for the user to can effectively prevent the too much emergence of worsening, stove damage and follow-up bigger accident of food heating capacity. Based on the above, so the utility model discloses good application prospect has.

The thermistor RT of the temperature probe is a negative temperature coefficient thermistor of the type NTC103D shown in fig. 3. Relay K1 is a DC12V relay of the song brand. In the time circuit: the model of the polar capacitor C1 is 4.7 muF/25V, and the resistance value of the resistor R is 1.9M; relay K3 is a song brand DC12V relay having two control power contacts, two normally open power contacts, two normally closed power contacts; the model of the NPN triode Q is 9013; the nonpolar capacitors C2 and C3 are 0.01 μ F.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The intelligent stove safety monitoring device comprises a motor reducing mechanism, a support frame and a rubber vacuum chuck, and is characterized by also comprising a connecting magnet, a cylindrical shell, a power supply, a charging socket, a temperature detection circuit, a temperature probe, a remote control circuit, a time circuit, a signal transmission circuit and a plurality of intelligent stoves

The upper parts of the supporting frames are respectively arranged around the upper end of the shell of the motor reducing mechanism, the middle parts of the upper ends of the rubber vacuum suckers and the lower ends of the supporting frames are respectively arranged together, one of the rubber vacuum suckersThe upper part of only connecting magnet is mounted at the lower end of power output shaft of motor speed-reducing mechanism, the middle part of cylinder shell is equipped with a connecting pipe, another connecting magnet is mounted at the upper end of connecting pipe of cylinder shell, two connecting magnets are attracted together, the power supply, charging socket, temperature detection circuit, remote control circuit, time circuit and signal transmission circuit are mounted in element box, the element box is mounted in the shell body of upper end of motor speed-reducing mechanism, the temperature probe includes a thermistor and a temp. -control switch, the thermistor and temp. -control switch are mounted in the heat-resisting insulating shell body, the temp. -sensing surfaces of thermistor and temp. -control switch are positioned in the same plane of lower end of shell body and lower end of shell body, the positive and negative poles of power supply and two terminals of charging socket are respectively connected by means of wire, the positive pole of power supply is passed through one end, The time circuit, the positive power input end of the signal sending circuit is connected through a lead, the power negative end is connected with the temperature detection circuit, the remote control circuit, the time circuit, the negative power input end of the signal sending circuit is connected through a lead, the other end of the temperature control switch is connected with the positive power input end of the temperature detection circuit through a lead, the other end of the thermistor is connected with the signal input end of the signal sending circuit through a lead, the remote control circuit, the signal output end of the temperature detection circuit and the signal input end of the time circuit are connected through leads, the two power output ends of the time circuit and the motor positive and negative pole power input end of the motor speed reducing mechanism are respectively connected through leads, the motor speed reducing mechanism is a motor gear reducer, and the polarity of the lower end of one connecting magnet.

2. The safety monitoring device for the intelligent furnace according to claim 1, wherein the cylindrical shell has a plurality of openings with internal threads in the middle of the side end, each opening is screwed with a hand screw, the shape of the cylindrical shell is consistent with the shape of the adjusting handle of the furnace valve, and the inner diameter of the cylindrical shell is larger than the outer diameter of the adjusting handle of the furnace valve.

3. The safety monitoring device for the intelligent furnace according to claim 1, wherein the temperature detecting circuit is a relay, and the control power input terminal of the relay and the negative power input terminal of the relay are connected by wiring on the circuit board.

4. The safety monitoring device for the intelligent furnace according to claim 1, wherein the temperature control switch of the temperature probe is a snap-action temperature switch.

5. The safety monitoring device of claim 1, wherein the remote control circuit is a remote wireless controller, the remote wireless controller is configured with a relay connected via a circuit board, the positive power input terminal of the relay is connected to the first control power output terminal of the remote wireless controller, and the control power input terminal and the negative power input terminal of the relay are connected to the negative power input terminal of the remote wireless controller.

6. The intelligent stove safety monitoring device of claim 1, wherein the time circuit comprises a time base integrated circuit, a polar capacitor, a resistor, a relay, an NPN triode and a non-polar capacitor, which are connected with each other through a circuit board, the time base integrated circuit is NE555, the reset terminal 4 of the time base integrated circuit is connected with the positive power input terminal 8 pin, one terminal of the resistor, the positive power input terminal of the relay and the positive control power input terminal, the threshold terminal 6 pin and the discharge terminal 7 pin of the time base integrated circuit are connected with the positive electrode of the polar capacitor and the other terminal of the resistor, the control terminal 5 pin of the time base integrated circuit is connected with one terminal of the first non-polar capacitor, the trigger terminal 2 pin of the time base integrated circuit is connected with one terminal of the second non-polar capacitor, the output terminal 3 pin of the time base integrated circuit is connected with the base electrode of the NPN triode, the collector electrode of the, and a pin 1 at the negative power supply input end of the time base integrated circuit is connected with the negative electrode of the polar capacitor, the other end of the first non-polar capacitor, an emitting electrode of the NPN triode and the input end of the relay negative control power supply.

7. The safety monitoring device for the intelligent furnace according to claim 1, wherein the signal transmitting circuit comprises a single chip module and a GPRS module, the single chip module and the GPRS module are connected through a circuit board, the GPRS module is ZLAN8100, the GPRS module is provided with an RS485 data input port, the single chip module main control chip is STC12C5a60S2, the single chip module is provided with an analog signal input end and an RS485 data output end, the RS485 data output end of the single chip module and the RS485 data input port of the GPRS module are connected through an RS485 data line, and the single chip module and the positive and negative pole power input ends of the GPRS module are respectively connected.