Flameout protection device with colorful indication

Abstract

The utility model discloses a flameout protection device with colorful indication, and belongs to the technical field of gas equipment. The ignition needle and the induction needle of the device are fixedly mounted in the combustion chamber, so that the ignition and detection effects of the device are improved; the multi-color indicating lamp circuit of the device is externally connected with a multi-color lamp and is communicated with the ignition circuit and the single chip microcomputer control circuit, so that different color modes can be lightened according to the state of equipment, for example, a yellow lamp is lightened when the equipment is electrified, a red lamp is lightened when the equipment works normally, and a green lamp is lightened when the equipment fails. The fault state of the equipment can be quickly judged according to the state of the colorful indicating lamp, so that diagnosis is quickly made for maintenance.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas equipment, and in particular relates to a flameout protection device with multi-color indication. Background Art

[0002] Commercial gas stoves are cooking equipment suitable for large kitchens in catering places such as hotels, restaurants, and canteens, as well as major government agencies, schools, and construction site canteens. Commercial stoves usually provide ignition and valve opening functions. The igniter is generally a pulse igniter. The pulse igniter is a pulse high-frequency oscillator composed of electronic components. The high-frequency voltage generated by the oscillator is boosted by a step-up transformer to generate a high voltage, and the tip discharge is performed. The spark of the discharge ignites the gas on the gas stove. This pulse igniter can discharge continuously and has a good ignition effect.

[0003] However, the flameout protection devices for commercial stoves commonly found in the market currently have a single appearance and single indication, and when a malfunction occurs, it is unknown where the problem is. Therefore, our company has proposed a flameout protection device with multi-color indications to solve the above problems. Summary of the invention

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a flameout protection device with multi-color indication.

[0005] The above technical problems of the utility model are mainly solved by the following technical solutions: a flameout protection device with multi-color indication, including a DC / DC step-down power supply circuit, characterized in that it also includes a single-chip control circuit, an ignition circuit, a multi-color indicator light circuit, a flame detection circuit, a solenoid valve control circuit and a solenoid valve, the output end of the DC / DC step-down power supply circuit is connected to the input end of the single-chip control circuit, the output end of the single-chip control circuit is connected to the input end of the ignition circuit, the output end of the flame detection circuit, and the input end of the multi-color indicator light circuit is connected to the input end of the solenoid valve control circuit.

[0006] Preferably, the multi-color indicator light circuit comprises a multi-color lamp, and the output end of the multi-color indicator light circuit is connected to the multi-color lamp.

[0007] Preferably, the ignition circuit comprises an ignition needle, and the output end of the ignition circuit is connected to the ignition needle.

[0008] Preferably, the flame detection circuit comprises a sensing needle, and the input end of the flame detection circuit is connected to the sensing needle.

[0009] The utility model has the beneficial effects:

[0010] 1. The ignition needle and the sensing needle of the device are installed and fixed to the combustion chamber, which improves the ignition and detection effects of the device.

[0011] 2. The multi-color indicator light circuit of the device is connected to a multi-color light, which can realize lighting of various colors or various modes, or lighting of a certain mode light in each state, etc.; it has the ignition function and real-time flame detection function and multi-color indication function, which solves the existing problems of single appearance, unclear indication, and unclear problem point in case of failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] In the figure: 1. DC / DC step-down power supply circuit; 2. single-chip microcomputer control circuit; 3. ignition circuit; 4. multi-color indicator light circuit; 5. flame detection circuit; 6. solenoid valve control circuit; 7. solenoid valve; 8. multi-color light; 9. ignition needle; 10. induction needle; 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33. DETAILED DESCRIPTION

[0014] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0015] Embodiment: A flameout protection device with multi-colored indication, such as Figure 1 As shown, it includes a DC / DC step-down power supply circuit 1, which is characterized in that it also includes a single-chip control circuit 2, an ignition circuit 3, a multi-color indicator light circuit 4, a flame detection circuit 5, a solenoid valve control circuit 6 and a solenoid valve 7, the output end of the DC / DC step-down power supply circuit 1 is connected to the input end of the single-chip control circuit 2, the output end of the single-chip control circuit 2 is connected to the input end of the ignition circuit 3, the output end of the flame detection circuit 5, and the input end of the multi-color indicator light circuit 4 is connected to the input end of the solenoid valve control circuit 6.

[0016] The multi-color indicator light circuit 4 includes a multi-color lamp 8, and the output end of the multi-color indicator light circuit 4 is connected to the multi-color lamp 8; the ignition circuit 3 includes an ignition pin 9, and the output end of the ignition circuit 3 is connected to the ignition pin 9; the flame detection circuit 5 includes a sensing pin 10, and the input end of the flame detection circuit 5 is connected to the sensing pin 10.

[0017] The principle of the utility model is as follows: when the power is turned on, the single-chip control circuit 2 takes effect, the multi-color indicator light circuit 4 takes effect, the multi-color light 8 lights up, the end of the ignition needle 9 discharges to open the solenoid valve 7, at which time the multi-color light 8 can be controlled to light up red, after the induction needle 10 detects the flame, the flame detection circuit 5 takes effect and the solenoid valve 7 is maintained, at which time the multi-color light 8 can be controlled to light up green, the induction needle 10 does not detect the flame, the flame detection circuit 5 fails, and the solenoid valve 7 is closed, at which time the multi-color light 8 can be controlled to light up yellow.

[0018] Finally, it should be pointed out that the above embodiments are only representative examples of the present utility model. Obviously, the present utility model is not limited to the above embodiments, and there are many variations. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model should be considered to belong to the protection scope of the present utility model.

Claims

1. A flameout protection device with multi-color indication, comprising a DC / DC step-down power supply circuit (1), characterized in that: The invention also comprises a single chip microcomputer control circuit (2), an ignition circuit (3), a multi-color indicator light circuit (4), a flame detection circuit (5), a solenoid valve control circuit (6) and a solenoid valve (7); the output end of the DC / DC step-down power supply circuit (1) is connected to the input end of the single chip microcomputer control circuit (2); the output end of the single chip microcomputer control circuit (2) is connected to the input end of the ignition circuit (3), the output end of the flame detection circuit (5), the input end of the multi-color indicator light circuit (4) and the input end of the solenoid valve control circuit (6).

2. The flameout protection device with multi-color indication according to claim 1, characterized in that: The multi-color indicator light circuit (4) comprises a multi-color lamp (8), and the output end of the multi-color indicator light circuit (4) is connected to the multi-color lamp (8).

3. The flameout protection device with multi-color indication according to claim 1, characterized in that: The ignition circuit (3) comprises an ignition needle (9), and the output end of the ignition circuit (3) is connected to the ignition needle (9).

4. The flameout protection device with multi-color indication according to claim 1, characterized in that: The flame detection circuit (5) comprises a sensing needle (10), and the input end of the flame detection circuit (5) is connected to the sensing needle (10).

5. The flameout protection device with multi-color indication according to claim 1, characterized in that: The output end of the solenoid valve control circuit (6) is connected to the solenoid valve (7).

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