CN201103933Y - Electric safety power economizer of kitchen range - Google Patents

Abstract

The utility model relates to an electronic safety economizer for a stove, in particular to a device that is applied on a kitchen cooking range and can control the burning. The utility model comprises an electromagnetic valve that is arranged on a burning pipeline and is characterized in that a griddle body position detection device and a PLC controller are arranged, and the outlet end of the griddle body position detection device is connected with the inlet end of the PLC controller, and the outlet end of the PLC controller is connected with coils of the electromagnetic valve, and the griddle body position detection device is arranged at the back of a cooking stove, pointing to the direction of a griddle. A photoelectric switch is used for detecting whether the griddle body is on the cooking stove and transmitting signals to the PLC controller. When the griddle is taken off from the cooking stove, the fire can be turned down conveniently and timely; an economizer can control a plurality of stoves automatically, which can fully realize the automatic control of a stove system and do not influence normal operations and uses of chefs, and the electronic safety economizer of the stove, which can improve the safety, prolong the service life, is energy-saving, beautiful and convenient, and is suitable for vast hotels and the catering industry.

Description

Cooker electronic safety economizer

technical field

The utility model relates to an electronic safety energy-saving device for a cooker, in particular to a device which can control combustion and is applied on a kitchen cooker.

Background technique

Existing kitchen stoves generally use gases such as coal gas, petroleum gas, natural gas, and fuel oil as fuel. The following main problems exist in the prior art: one is that each set of energy saver can only control one cooker, and the reliability of a single circuit is low; The third is that manual control is generally used, but when the chef is working, he needs to constantly adjust his hands and feet, which brings inconvenience to the work.

Utility model content

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art, to provide a cooker electronic device that can be conveniently and timely turned off the heat to save energy when the frying pan leaves the cooker, and one energy-saving device can automatically control multiple cookers. Safe energy saver.

The utility model is realized through the following technical solutions: the electronic safety energy-saving device for cookers includes an electromagnetic valve arranged on the fuel pipeline, and is characterized in that a pot position detection device and a PLC controller are provided, and the output of the pot position detection device is The terminal is connected to the input terminal of the PLC controller, the output terminal of the PLC controller is connected to the coil of the electromagnetic valve, and the pot body position detection device is installed at the rear of the cooktop to point to the direction of the wok.

When the wok leaves the stove, the pot body position detection device sends out a signal, which is sent to the PLC controller for calculation, and the PLC controller outputs a control signal to control the action of the solenoid valve and close the fuel pipeline. When the frying pan is put into the range top, the PLC controller controls the electromagnetic valve to open the fuel pipeline according to the signal of the pan body position detection device.

According to the actual operating characteristics of the fuel/gas cooker and the cooking method of the cook, the automatic control is carried out through the PLC controller, so that after the pot leaves the cooker, it no longer needs to be in a state of burning, and the flow of fuel/gas is reduced or stopped to achieve energy saving. Purpose. Due to the high reliability and strong adaptability of the PLC controller, the use of the PLC controller can better realize the automatic opening of the solenoid valve for oil/air intake, closing the solenoid valve for oil/gas cut-off, automatic ignition of the gas stove, and emergency control of the stove system. In case of rapid closure of the solenoid valve.

According to the actual situation of the kitchen, the DO and DI terminals of the appropriate PLC controller can be selected, and a set of PLC controller can control the multi-cooker. For example, a FOPLC system of model hollysys is used.

The pot position detection device adopts a photoelectric switch. or other photoelectric sensors.

The fuel pipeline is a fuel pipeline, the output terminal of the photoelectric switch U1 is connected between the DI1 pin and the DO1 pin of the PLC controller U2, the button SB1 is connected between the DI2 pin and the DO1 pin, the DO1 pin is connected to the positive pole of the DC24V power supply, and the DO10 pin is passed through The fuse FU1 and the switch K1 are connected to the negative pole of the DC24V power supply, and the solenoid valve YV1 coil is connected between the DO2 pin and the DO10 pin.

Install oil valve YF1, solenoid valve YV1 and combustion chamber RS1 in sequence on the fuel pipeline.

The DI module of the PLC controller U2 selects 2-32 points, and the DO module selects 1-16 points, which can connect 1-16 stoves.

Close the switch K1, turn on the power, and the PLC controller U2 is ready to work. Press button SB1 to enter automatic control mode. When the photoelectric switch U1 detects that the pot is placed on the stove, the PLC controller U2 controls the electromagnetic valve YV1 to open, and the combustion chamber RS1 burns normally; when the photoelectric switch U1 detects that the pot leaves the stove, the PLC controller U2 controls the solenoid The valve YV1 is closed, and a tiny spark remains in the combustion chamber RS1.

The fuel pipeline is a gas pipeline, the output terminal of the photoelectric switch U3 is connected between the DI1 pin and the DO1 pin of the PLC controller U4, the button SB2 is connected between the DI2 pin and the DO1 pin, the DO1 pin is connected to the positive pole of the DC24V power supply, and the DO10 pin is passed through The fuse FU2 and the switch K2 are connected to the negative pole of the DC24V power supply, the solenoid valve YV2 coil is connected between the DO2 pin and the DO10 pin, and the electronic ignition device B1 is connected between the DO3 pin and the DO10 pin.

The ignition point of electronic ignition device B1 is placed at the bottom of combustion chamber RS2, and gas valve QF1, solenoid valve YV2 and combustion chamber RS2 are installed in sequence on the gas pipeline.

The DI and DO modules of the PLC controller U4 are selected from 2-32 points, which can be connected to 1-16 stoves.

Close the switch K2, turn on the power, and the PLC controller U4 is ready to work. Press button SB2 to enter automatic control mode. When the photoelectric switch U3 detects that the pot is placed on the stove, the PLC controller U4 controls the solenoid valve YV2 to open, and at the same time the electronic ignition device B1 discharges and ignites, and the combustion chamber burns normally; when the photoelectric switch U3 detects that the pot leaves the stove, The PLC controller U4 controls the solenoid valve YV2 to close, and the combustion chamber goes out.

Compared with the prior art, the utility model has the beneficial effects of the electronic safety energy saver for cookers: whether the pot body is on the cooker is detected by the photoelectric switch, and the signal is transmitted to the PLC controller. When the wok leaves the stove, the pot body position detection device sends out a signal, which is sent to the PLC controller for calculation. The PLC controller outputs a control signal to control the action of the solenoid valve and close the fuel pipeline; when the wok is placed on the stove, The PLC controller controls the electromagnetic valve to open the fuel pipeline according to the signal of the pot body position detection device, so that when the pot body leaves the stove, the heat can be turned off or extinguished in time. One energy-saving device can automatically control multiple stoves. The utility model fully realizes the automatic control of the stove system through the use of infrared detection and PLC controller technology, without affecting the normal operation and use of chefs, with improved safety performance and long service life. , energy saving, beautiful, convenient, suitable for the majority of hotels and catering industries.

Description of drawings

Fig. 1 is the electrical schematic diagram of the utility model embodiment 1;

Fig. 2 is the electrical schematic diagram of Embodiment 2 of the present utility model.

Fig. 1 is the best embodiment of the utility model cooker electronic safety energy-saving device, in Fig. 1, 2: U1, U3 photoelectric switch U2, U4 PLC controller SB1, SB2 button FU1, FU2 fuse K1, K2 switch YV1, YV2 solenoid valve YF1 oil valve QF1 gas valve RS1, RS2 combustion chamber.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Example 1:

As shown in Figure 1, when the fuel pipeline is a fuel pipeline, the output terminal of the photoelectric switch U1 is connected between the DI1 pin and the DO1 pin of the PLC controller U2, the button SB1 is connected between the DI2 pin and the DO1 pin, and the DO1 pin is connected to DC24V The positive pole of the power supply, the DO10 pin is connected to the negative pole of the DC24V power supply through the fuse FU1 and the switch K1, and the solenoid valve YV1 coil is connected between the DO2 pin and the DO10 pin. Install oil valve YF1, solenoid valve YV1 and combustion chamber RS1 in sequence on the fuel pipeline. The photoelectric switch U1 is installed at the rear of the stove, pointing to the direction of the frying pan.

According to the actual situation of the kitchen, the DO and DI terminals of the appropriate PLC controller can be selected, and a set of PLC controller can control the multi-cooker. For example, a FOPLC system of model hollysys is used.

For example, the DI module of the PLC controller U2 selects 2-32 points, and the DO module selects 1-16 points, which can connect 1-16 stoves.

Close the switch K1, turn on the power, and the PLC controller U2 is ready to work. Open the oil valve YF1 in front of the stove, and the fuel oil passes through the bypass fine oil passage and enters the combustion chamber RS1. Manually ignite the fuel, and after the combustion is normal, press the button SB1 to enter the automatic control mode. When the photoelectric switch U1 detects that the pot is placed on the stove, the PLC controller U2 controls the solenoid valve YV1 to open, and the fuel enters the combustion chamber RS1 through the fuel pipeline, and the combustion chamber RS1 is in a normal combustion state. When the photoelectric switch U1 detects that the pot leaves the stove, the PLC controller U2 controls the electromagnetic valve YV1 to close, and the combustion chamber RS1 retains a small fire. Press the button SB1 again, and the cooker stops the automatic control mode.

When the photoelectric switch U1 fails, press the button SB1 for more than 2 seconds, the system forcibly opens the solenoid valve YV1.

Example 2:

As shown in Figure 2, when the fuel pipeline is a gas pipeline, the output terminal of the photoelectric switch U3 is connected between the DI1 pin and the DO1 pin of the PLC controller U3, the button SB2 is connected between the DI2 pin and the DO1 pin, and the DO1 pin is connected to DC24V The positive pole of the power supply, the DO10 pin is connected to the negative pole of the DC24V power supply through the fuse FU2 and the switch K2, the solenoid valve YV2 coil is connected between the DO2 pin and the DO10 pin, and the electronic ignition device B1 is connected between the DO3 pin and the DO10 pin. The ignition point of the electronic ignition device B1 is placed at the bottom of the combustion chamber RS2. Install gas valve QF1, solenoid valve YV2 and combustion chamber RS2 in sequence on the gas pipeline. The photoelectric switch U3 is installed at the rear of the stove, pointing to the direction of the frying pan.

According to the actual situation of the kitchen, the DO and DI terminals of the appropriate PLC controller can be selected, and a set of PLC controller can control the multi-cooker. For example, a FOPLC system of model hollysys is used.

For example, the DI and DO modules of the PLC controller U4 use 2-32 points, which can connect 1-16 stoves.

Open the gas valve QF1 in front of the stove, close the switch K2, turn on the power supply, and the PLC controller U4 is ready to work. Press button SB2 to enter automatic control mode. When the photoelectric switch U3 detects that the pot is placed on the stove, the PLC controller U2 controls the solenoid valve YV2 to open the gas pipeline, and at the same time the electronic ignition device B1 discharges and ignites for 2 seconds, and the combustion chamber burns normally; when the photoelectric switch U3 detects that the pot After the body leaves the stove, the PLC controller U4 controls the solenoid valve YV2 to close, and the combustion chamber goes out.

When the photoelectric switch U3 fails, press the button SB2 for more than 2 seconds, and the system forcibly opens the solenoid valve YV1.

Claims (8)

1. kitchen range electronic security(ELSEC) energy-saving appliance, comprise the magnetic valve that is arranged on the fuel conduit, it is characterized in that: pot body position checkout gear and PLC controller are set, the output of pot body position checkout gear connects the input of PLC controller, the output of PLC controller connects the coil of magnetic valve, and pot body position checkout gear is installed in kitchen range top rear and points to the frying pan direction.

2. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 1 is characterized in that: pot body position checkout gear adopts optoelectronic switch.

3. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 1, it is characterized in that: fuel conduit is a fuel pipe, the output that connects optoelectronic switch U1 between the DI1 pin of PLC controller U2 and the DO1 pin, connect button SB1 between DI2 pin and the DO1 pin, the DO1 pin connects the positive pole of DC24V power supply, the DO10 pin connects magnetic valve YV1 coil by fuse FU1 is connected the DC24V power supply with K switch 1 negative pole between DO2 pin and the DO10 pin.

4. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 2 is characterized in that: fuel tap YF1, magnetic valve YV1 and combustion chamber RS1 are installed on fuel pipe successively.

5. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 2 is characterized in that: the DI module of PLC controller U2 is selected the 2-32 point for use, and the DO module is selected the 1-16 point for use, can connect 1-16 the kitchen range top.

6. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 1, it is characterized in that: fuel conduit is a fuel gas pipeline, the output that connects optoelectronic switch U3 between the DI1 pin of PLC controller U4 and the DO1 pin, connect button SB2 between DI2 pin and the DO1 pin, the DO1 pin connects the positive pole of DC24V power supply, the DO10 pin connects magnetic valve YV2 coil, connection electronic ignition device B1 between DO3 pin and the DO10 pin by fuse FU2 is connected the DC24V power supply with K switch 2 negative pole between DO2 pin and the DO10 pin.

7. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 6 is characterized in that: the ignition point of electronic ignition device B1 is placed on combustion chamber RS2 bottom, and air valve QF1, magnetic valve YV2 and combustion chamber RS2 are installed on fuel gas pipeline successively.

8. kitchen range electronic security(ELSEC) energy-saving appliance according to claim 6 is characterized in that: the DI of PLC controller U4, DO module are selected the 2-32 point for use, can connect 1-16 the kitchen range top.

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