CN211650353U

CN211650353U - Magnetic control system for flameout protection of thermocouple of stove

Info

Publication number: CN211650353U
Application number: CN201922038165.9U
Authority: CN
Inventors: 全柏勇
Original assignee: Meng Limei
Current assignee: Meng Limei
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-09
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a cooking utensils thermocouple flameout protection magnetic control system, including a plurality of thermocouple, flameout protection controller and take self-locking function's magnetic control solenoid valve, the input of thermocouple connection flameout protection controller, the output of magnetic control solenoid valve connection flameout protection controller, be provided with magnetic conduction case on the magnetic control solenoid valve, solenoid, elasticity reset piece and permanent magnet, solenoid produces forward magnetic field when designing into to let in forward current, drive magnetic conduction case compression elasticity reset piece in order to open the solenoid valve, the permanent magnet sets up in one side that magnetic conduction case was kept away from to elasticity reset piece, when igniteing, flameout protection controller produces forward magnetic field for solenoid forward current and makes magnetic conduction case compression elasticity reset piece, the permanent magnet attracts magnetic conduction case and rather than the coupling, the solenoid valve keeps the open mode; when flameout occurs, the flameout protection controller supplies reverse current to the electromagnetic coil, the electromagnetic coil generates a reverse magnetic field to enable the magnetic conductive valve core to be separated from the permanent magnet, and the electromagnetic valve is closed.

Description

Magnetic control system for flameout protection of thermocouple of stove

Technical Field

The utility model relates to a cooking utensils thermocouple flame-out protection magnetic control system.

Background

The existing kitchen range needs to be provided with flameout protection, part of the flameout protection is realized by controlling the communication or the closing of the air inlet pipe through a thermocouple and an electromagnetic valve, the structure needs to adopt two batteries, one battery provides continuous current for the electromagnetic valve, the other battery provides power for the pulse ignition needle, the power consumption is fast in the using process, the batteries need to be frequently replaced, a lot of inconvenience is brought to a user, and the structure is complex in installation and high in cost for a production side.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcomings in the prior art, providing a cooking utensils thermocouple flameout protection magnetic control system, aiming at reducing production cost, reducing the energy consumption of the electromagnetic valve, saving energy and reducing the frequency of changing batteries.

In order to achieve the above purpose, the utility model adopts the following scheme:

a magnetic control system for flameout protection of a thermocouple of a cooking range comprises a plurality of thermocouples, a flameout protection controller and a magnetic control electromagnetic valve with a self-locking function, the thermocouple is connected with the input end of the flameout protection controller, the magnetic control electromagnetic valve is connected with the output end of the flameout protection controller, the magnetic control electromagnetic valve is provided with a magnetic valve core, an electromagnetic coil, an elastic reset piece and a permanent magnet, the electromagnetic coil is designed to generate a forward magnetic field when forward current is introduced, the magnetic-conductive valve core is driven to compress the elastic reset piece so as to open the magnetic-control electromagnetic valve, the permanent magnet is arranged on one side of the elastic reset piece away from the magnetic-conductive valve core, when in ignition, the flameout protection controller generates a positive magnetic field for the positive current of the electromagnetic coil to lead the magnetic conductive valve core to compress the elastic reset piece, the permanent magnet attracts and is coupled with the magnetic valve core, so that the magnetic valve core is kept in an open state when the electromagnetic coil is powered off; when flameout, flameout protection controller lets in reverse current to solenoid, solenoid produce reverse magnetic field make the magnetic conduction case break away from with the coupling of permanent magnet, realize resetting and close the magnetic control solenoid valve under the effect of elasticity reset piece, through adopting the magnetic control solenoid valve of taking self-locking function, after cooking utensils have igniteed, the magnetic control solenoid valve passes through the permanent magnet to magnetic conduction case coupling for the gas channel is in the open circuit state, need not to keep the route for the continuous electric current of magnetic control solenoid valve, power consumption has been reduced, energy-concerving and environment-protective, a battery has been saved simultaneously, and reduction in production cost, give reverse current through flameout protection controller to the magnetic control solenoid valve and realize that the magnetic control solenoid valve closes the gas channel, realize flameout protection function, the structure is simple, job stabilization.

In one or more embodiments, the ignition device is further provided with a plug valve and an ignition needle, a voltage-controlled contact of the plug valve is connected with an input end of the flameout protection controller, and the ignition needle is connected with an output end of the flameout protection controller.

In one or more embodiments, the flameout protection controller controls whether to provide forward current to the magnetic control solenoid valve according to the signal of the voltage control contact of the plug valve; and the flameout protection controller controls whether to provide reverse current for the magnetic control electromagnetic valve or not according to the feedback temperature signal of the thermocouple.

In one or more embodiments, the plug valve is connected with an air inlet pipe of the stove, and the magnetic control electromagnetic valve is arranged on the air inlet pipe and controls the on-off of the air inlet pipe.

In one or more embodiments, the flameout protection controller is provided with a first energy-collecting capacitor and a first energy-collecting capacitor, the first energy-collecting capacitor supplies electric energy to the magnetic control solenoid valve to open or close the magnetic control solenoid valve, and the second energy-collecting capacitor is connected with the input end of the flameout protection controller to supply stable working voltage to the control chip of the flameout protection controller.

Has the advantages that: the utility model provides a cooking utensils thermocouple flame-out protection magnetic control system, through adopting the magnetic control solenoid valve of taking self-locking function, after cooking utensils have igniteed, the magnetic control solenoid valve passes through the permanent magnet to magnetic conduction case coupling, make gas passage at open circuit state, need not to last to keep the route for the electric current that the magnetic control solenoid valve lasts, power consumptions has been reduced, energy saving and environmental protection, a battery has been saved simultaneously, the reduction in production cost, realize flame-out protection function to the magnetic control solenoid valve through flame-out protection controller to realize that the magnetic control solenoid valve closes the gas passage with reverse current, the steam generator is simple in structure, and stable operation.

Drawings

Fig. 1 is a schematic structural view of a flameout protection magnetic control system of a thermocouple of a cooking stove according to an embodiment of the present invention.

Detailed Description

The application scheme is further described below with reference to the accompanying drawings:

example (b):

referring to the attached drawing 1, a thermocouple flameout protection magnetic control system of a cooking stove comprises a plurality of thermocouples 1, a flameout protection controller 2 and a magnetic control electromagnetic valve 3 with a self-locking function, wherein the thermocouples 1 are connected with an input end of the flameout protection controller 2, the magnetic control electromagnetic valve 3 is connected with an output end of the flameout protection controller 2, the magnetic control electromagnetic valve 3 is provided with a magnetic conductive valve core 31, an electromagnetic coil 32, an elastic reset piece 34 and a permanent magnet 33, the electromagnetic coil 32 is designed to generate a forward magnetic field when forward current is introduced, the magnetic conductive valve core 31 is driven to compress the elastic reset piece 34 to open the magnetic control electromagnetic valve 3, the permanent magnet 33 is arranged on one side of the elastic reset piece 34 far away from the magnetic conductive valve core, when ignition is performed, the flameout protection controller 2 generates a forward magnetic field for the forward current of the electromagnetic coil 32 to, the permanent magnet 3 attracts and couples the magnetic valve core 31, so that the electromagnetic valve core 31 is kept in an open state when the electromagnetic coil 32 is powered off; when flameout, flameout protection controller 2 lets in reverse current to solenoid 32, solenoid 32 produces reverse magnetic field and makes magnetic conduction case 31 break away from with the coupling of permanent magnet 33, realizes resetting under the effect of elasticity reset piece 34 and closes magnetic control solenoid valve 3, through adopting the magnetic control solenoid valve 3 of taking self-locking function, after the cooking utensils have been igniteed, magnetic control solenoid valve 3 couples magnetic conduction case 31 through permanent magnet 33 for the gas channel is in the open circuit state, need not to give the continuous electric current of magnetic control solenoid valve 3 and keep the route, power consumptive has been reduced, and is energy-concerving and environment-protective, has saved a battery simultaneously, and reduction in production cost, give reverse current to magnetic control solenoid valve 3 through flameout protection controller 2 simultaneously and realize that magnetic control solenoid valve 3 closes the gas channel, realizes flameout protection function, and the structure is simple, job stabilization.

Preferably, the number of thermocouples 1 is the same as that of burners of the cooker, the flameout protection controller 2 is a pulse with a CPU, the CPU is a control chip, wherein the connection of the pulse with the plug valve 5, the ignition needle 6 and the circuit structure are direct applications of the prior art.

Further, it still is provided with plug valve 5, ignition needle 6, the input of flame-out protection controller 2 is connected to plug valve 5's voltage-controlled contact 51, ignition needle 6 connects the output of flame-out protection controller 2.

Further, the flameout protection controller 2 controls whether to provide a forward current to the magnetic control electromagnetic valve 3 according to a signal of the voltage-controlled contact 51 of the plug valve 5; the flameout protection controller 2 controls whether to provide reverse current for the magnetic control electromagnetic valve 3 according to the feedback temperature signal of the thermocouple 1.

Preferably, after the voltage-controlled contact 51 of the plug valve 5 is communicated, a communication signal is provided for the flameout protection controller 2, and the flameout protection controller 2 provides a positive current for the magnetic control electromagnetic valve 3 to open a gas channel and simultaneously control the ignition needle 6 to ignite; when the burner is flamed out, the thermocouple 1 gives a flameout signal to the flameout protection controller 2, the flameout protection controller 2 gives a reverse current to the magnetic control electromagnetic valve 3 to enable the magnetic valve core 31 to be separated from the permanent magnet 33, and the magnetic control electromagnetic valve 3 closes a gas channel to play a protection role.

Further, intake pipe 4 of cooking utensils is connected to plug valve 5, magnetic control solenoid valve 3 sets up on intake pipe 4 and controls the logical close of intake pipe 4, and plug valve 5 is the direct application of prior art with being connected of intake pipe 4, does not describe at this again.

Further, a first energy-collecting capacitor 21 and a first energy-collecting capacitor 22 are arranged on the flameout protection controller 2, the first energy-collecting capacitor 21 provides electric energy for the magnetic control electromagnetic valve 3 to open or close the magnetic control electromagnetic valve 3, and the second energy-collecting capacitor 22 is connected with the input end of the flameout protection controller 2 to provide stable working voltage for a control chip of the flameout protection controller.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. A cooking utensils thermocouple flameout protection magnetic control system is characterized by comprising a plurality of thermocouples, a flameout protection controller and a magnetic control electromagnetic valve with a self-locking function, wherein the thermocouples are connected with the input end of the flameout protection controller, the magnetic control electromagnetic valve is connected with the output end of the flameout protection controller, a magnetic conductive valve core, an electromagnetic coil, an elastic reset piece and a permanent magnet are arranged on the magnetic control electromagnetic valve, the electromagnetic coil is designed to generate a forward magnetic field when forward current is introduced, the magnetic conductive valve core is driven to compress the elastic reset piece to open the magnetic control electromagnetic valve, the permanent magnet is arranged on one side of the elastic reset piece, which is far away from the magnetic conductive valve core, when ignition is performed, the flameout protection controller generates a forward magnetic field for the forward current of the electromagnetic coil to enable the magnetic conductive valve core to compress the elastic reset, so that the electromagnetic valve core keeps an open state when the electromagnetic coil is powered off; when the electromagnetic valve is extinguished, the flameout protection controller supplies reverse current to the electromagnetic coil, the electromagnetic coil generates a reverse magnetic field to enable the magnetic conductive valve core to be separated from the coupling with the permanent magnet, and the electromagnetic valve is reset and closed under the action of the elastic reset piece.

2. The cooking utensils thermocouple flameout protection magnetic control system of claim 1, characterized in that, it also has a plug valve, a ignition needle, the voltage control contact of the plug valve connects the input end of the flameout protection controller, the ignition needle connects the output end of the flameout protection controller.

3. The cooking range thermocouple flameout protection magnetic control system according to claim 2, wherein the flameout protection controller controls whether to provide a forward current to the magnetic control solenoid valve according to a signal of a voltage control contact of the plug valve; and the flameout protection controller controls whether to provide reverse current for the magnetic control electromagnetic valve or not according to the feedback temperature signal of the thermocouple.

4. The cooking utensils thermocouple flameout protection magnetic control system of claim 2, characterized in that, the plug valve is connected with the intake pipe of the cooking utensils, the magnetic control electromagnetic valve is arranged on the intake pipe and controls the on-off of the intake pipe.

5. The cooking range thermocouple flameout protection magnetic control system according to claim 2, wherein a first energy-collecting capacitor and a first energy-collecting capacitor are arranged on the flameout protection controller, the first energy-collecting capacitor supplies electric energy to the magnetic control electromagnetic valve to open or close the magnetic control electromagnetic valve, and a second energy-collecting capacitor is connected with an input end of the flameout protection controller to supply stable working voltage to a control chip of the flameout protection controller.