CN219605454U - Alternating current pulse igniter circuit capable of working in wide voltage range - Google Patents
Alternating current pulse igniter circuit capable of working in wide voltage range Download PDFInfo
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- CN219605454U CN219605454U CN202321407913.6U CN202321407913U CN219605454U CN 219605454 U CN219605454 U CN 219605454U CN 202321407913 U CN202321407913 U CN 202321407913U CN 219605454 U CN219605454 U CN 219605454U
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Abstract
The utility model provides an alternating current pulse igniter circuit capable of working in a wide voltage range, which comprises an alternating current power supply Vin, nonpolar capacitors C1 and C2, a current limiting resistor R1, rectifier diodes D1 and D2, a self-breakdown discharge diode D3, a high-voltage package T1 and a discharge electrode; the alternating current power supply Vin provides a power frequency alternating current power supply, one end of C1 is connected with a live wire of Vin, the other end of C1 is connected with a negative electrode of D1 and a positive electrode of D2, one end of R1 is connected with a zero line of the alternating current power supply Vin, the other end of a current limiting resistor R1 is connected with the positive electrode of D1, one end of a self-breakdown discharging diode D3 and a 2 pin of a high-voltage package T1, the other end of D3 is connected with the negative electrode of D2 and one end of C2, the other end of C2 is connected with a 1 pin of T1, 3 and 4 pins of the high-voltage package T1 are connected with a discharge electrode, the high-voltage package can work under 220-230V conditions, can also work stably under 110-120V voltage systems, the use of export products under different voltage system limiting conditions can be met, and the universality of a pulse igniter circuit is greatly improved.
Description
Technical Field
The utility model relates to the field of alternating current pulse igniter circuits, in particular to an alternating current pulse igniter circuit capable of working in a wide voltage range
Background
In the field of gas appliance product control, pulse ignition is an indispensable technique. In the prior art, some pulse igniter circuits can only work at fixed power frequency voltage, and the ignition circuits are specially designed according to the power frequency voltage standard of the country where the product is used, such as 220V voltage in China, when the same product needs to be sold to different countries, two different pulse ignition circuits are required to be designed to meet local requirements, and the compatibility is poor. Some pulse igniter circuits are implemented by adopting a direct-current low-voltage-boosting scheme, and the cost is greatly increased by adopting the scheme.
Accordingly, it is desirable to provide an ac pulse igniter circuit that can operate over a wide voltage range.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an alternating current pulse igniter circuit capable of working in a wide voltage range, which can directly adopt an alternating current power supply to realize pulse ignition under the limiting conditions of different voltage systems.
The utility model provides an alternating current pulse igniter circuit capable of working in a wide voltage range, which comprises an alternating current power supply Vin, nonpolar capacitors C1 and C2, a current limiting resistor R1, rectifier diodes D1 and D2, a self-breakdown discharge diode D3, a high-voltage package T1 and a discharge electrode, wherein,
the alternating current power supply Vin provides a power frequency alternating current power supply;
one end of the nonpolar capacitor C1 is connected with the live wire of the alternating current power supply Vin, and the other end of the nonpolar capacitor C is simultaneously connected with the cathode of the rectifying diode D1 and the anode of the rectifying diode D2;
one end of the current limiting resistor R1 is connected with a zero line of the alternating current power supply Vin, and the other end of the current limiting resistor R1 is simultaneously connected with the positive electrode of the rectifying diode D1, one end of the self-breakdown discharging diode D3 and the 2 pin of the high-voltage package T1;
the other end of the self-breakdown discharge diode D3 is connected with the negative electrode of the rectifying diode D2 and one end of the nonpolar capacitor C2 at the same time;
the other end of the nonpolar capacitor C2 is connected with the 1 pin of the high-voltage package T1;
pins 3 and 4 of the high-voltage package T1 are connected with the discharge electrode.
Preferably, the high-voltage power supply further comprises a rectifying diode D4, wherein the positive electrode of the rectifying diode D4 is connected with the 1 pin of the high-voltage package T1, and the negative electrode of the rectifying diode D4 is connected with the 2 pin of the high-voltage package T1.
Preferably, a fuse F1 is further disposed between the ac power source Vin and the nonpolar capacitor C1.
Preferably, the nonpolar capacitor C1 is further connected in parallel with a discharge resistor R2.
Preferably, the voltage-dependent resistor ZNR1 is further included, one end of the voltage-dependent resistor ZNR1 is connected with a zero line of the alternating current power supply Vin, and the other end of the voltage-dependent resistor ZNR1 is connected between the fuse F1 and the nonpolar capacitor C1.
Compared with the prior art, the alternating current pulse igniter circuit capable of working in a wide voltage range has the following beneficial effects:
when the circuit works, when an alternating current power supply Vin is input for a negative half cycle, the power supply charges C1 through R1 and D1, and when the C1 is finally fully charged, the direct current voltage of positive right-left negative right can reach the highestWhen the alternating current power Vin is input for the positive half cycle, the power supply charges C2 through primary coils of R1, C1, D2 and T1. Due to the working principle of the voltage doubling circuit, the direct current voltage of left plus-right minus can reach +.>When the DC voltage on C2 is higher than the trigger voltage of the self-breakdown discharge diode D3, D3 self-breaks down, the accumulated DC voltage on C2 is instantaneously discharged in the anticlockwise direction through D3 after breakdown and conduction and the primary coil of the high-voltage package T1, and the discharge current can reach the safetyAbove the culture level, through the boosting effect of the high-voltage package T1, pulse high voltage of 15-25kV can be instantaneously generated at two ends of the secondary coil T1, and the high voltage can break down an air medium to generate a discharge arc. When the dc voltage on C2 is released, the discharge diode D3 self-reverts to the blocking off state, at which point the circuit again charges C2. The continuous pulse discharge arc can be generated on the secondary side of the high-voltage package T1 by circulating and reciprocating in this way, so that the ignition of fuel gas is realized. If the trigger voltage of the discharge diode D3 is fixed at 200V, i.e. +.>The circuit can work normally only by meeting the requirement that Vin is more than or equal to 70V, and the limit of the circuit to the input voltage is greatly reduced, so that the pulse ignition can be realized under different voltage limiting conditions.
Drawings
FIG. 1 is a schematic diagram of an AC pulse igniter capable of operating in a wide voltage range according to the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The utility model is further described below with reference to the drawings and embodiments.
The present embodiment provides an ac pulse igniter circuit capable of operating in a wide voltage range, as shown in fig. 1, including an ac power source Vin, nonpolar capacitors C1 and C2, a current limiting resistor R1, rectifier diodes D1 and D2, a self-breakdown discharge diode D3, a high voltage package T1, and a discharge electrode. The alternating current power supply Vin provides a power frequency alternating current power supply, one end of a nonpolar capacitor C1 is connected with a live wire of the alternating current power supply Vin, the other end of the nonpolar capacitor C1 is connected with a negative electrode of a rectifier diode D1 and a positive electrode of a rectifier diode D2, one end of a current limiting resistor R1 is connected with a zero line of the alternating current power supply Vin, the other end of the current limiting resistor R1 is connected with the positive electrode of the rectifier diode D1, one end of a self-breakdown discharge diode D3 and a 2 pin of a high-voltage package T1, the other end of the self-breakdown discharge diode D3 is connected with the negative electrode of the rectifier diode D2 and one end of the nonpolar capacitor C2, the other end of the nonpolar capacitor C2 is connected with a 1 pin of the high-voltage package T1, and 3 pins and 4 pins of the high-voltage package T1 are connected with a discharge electrode.
When the circuit works, when an alternating current power supply Vin is input for a negative half cycle, the power supply charges a nonpolar capacitor C1 through a current-limiting resistor R1 and a rectifier diode D1, and when the nonpolar capacitor C1 is finally fully charged, the direct current voltage of positive right-left negative direct current can reach the highest valueWhen the input power Vin is in the positive half cycle, the power charges the nonpolar capacitor C2 through the current-limiting resistor R1, the nonpolar capacitor C1, the rectifier diode D2 and the primary coil of the high-voltage package T1, and the left positive-right negative direct current voltage can reach the maximum value when the nonpolar capacitor C2 is fully charged due to the working principle of the voltage doubling circuit>When the direct current voltage on the nonpolar capacitor C2 is higher than the trigger voltage of the self-breakdown discharge diode D3, D3 is self-broken down, the direct current voltage accumulated on the nonpolar capacitor C2 is instantaneously discharged in the anticlockwise direction through the D3 after breakdown and conduction and the primary coil of the high-voltage package T1, the discharge current can reach ampere level or higher, through the boosting effect of the high-voltage package T1, 15-25kV pulse high voltage can be instantaneously generated at the two ends of the secondary coil of the high-voltage package T1, and the high voltage can break down an air medium to generate discharge flame. After the dc voltage on the non-polar capacitor C2 is released, the discharging diode D3 is self-restored to the blocking off state, and the circuit charges the non-polar capacitor C2 again. The continuous pulse discharge arc can be generated on the secondary side of the high-voltage package T1 by circulating and reciprocating in this way, so that the ignition of fuel gas is realized.
According to the condition that the DC voltage on the nonpolar capacitor C2 is higher than the trigger voltage of the self-breakdown discharge diode D3, the discharge arc can be generated if the trigger voltage of the discharge diode D3 is fixed at 200V, namelyThe discharge fire fox can be generated, and the circuit of the embodiment can work normally only when the Vin is more than or equal to 70V. Therefore, the circuit of the embodiment can work under 220-230V conditions and can also work stably under 110-120V voltage modes, so that the condition that the outlet products are used under the adjustment of different voltage modes can be met, the limitation of the circuit on input voltage is greatly reduced, and the universality of the pulse igniter circuit is improved.
More specifically, the ac pulse igniter circuit capable of operating in a wide voltage range of the present embodiment further includes a rectifying diode D4, wherein the positive electrode of the rectifying diode D4 is connected to the 1 pin of the high voltage packet T1, and the negative electrode of the rectifying diode D4 is connected to the 2 pin of the high voltage packet T1. D4 can absorb the back electromotive force of positive and negative from the primary side of the high-voltage package T1 when discharging, so as to protect the working stability of the circuit and the safety of related components.
More specifically, a fuse F1 is further arranged between the alternating current power supply Vin and the nonpolar capacitor C1, and potential safety hazards caused by overcurrent of a circuit are prevented through the fuse F1.
More specifically, the nonpolar capacitor C1 is further connected in parallel with a discharge resistor R2. When the user does not use the product, the alternating current power supply Vin is disconnected, and at the moment, the non-polar capacitor C1 is also internally provided with charges and a non-discharge loop, and the discharge resistor R2 can absorb the charges stored in the non-polar capacitor C1 to prevent the end of the alternating current power supply Vin from discharging.
More specifically, the ac pulse igniter circuit capable of operating in a wide voltage range of this embodiment further includes a varistor ZNR1, one end of the varistor ZNR1 is connected to the zero line of the ac power source Vin, and the other end is connected between the fuse F1 and the nonpolar capacitor C1, so that circuit damage caused by lightning or surge current can be prevented.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. An alternating current pulse igniter circuit capable of working in a wide voltage range is characterized by comprising an alternating current power supply Vin, nonpolar capacitors C1 and C2, a current limiting resistor R1, rectifier diodes D1 and D2, a self-breakdown discharge diode D3, a high-voltage package T1 and a discharge electrode, wherein,
the alternating current power supply Vin provides a power frequency alternating current power supply;
one end of the nonpolar capacitor C1 is connected with the live wire of the alternating current power supply Vin, and the other end of the nonpolar capacitor C is simultaneously connected with the cathode of the rectifying diode D1 and the anode of the rectifying diode D2;
one end of the current limiting resistor R1 is connected with a zero line of the alternating current power supply Vin, and the other end of the current limiting resistor R1 is simultaneously connected with the positive electrode of the rectifying diode D1, one end of the self-breakdown discharging diode D3 and the 2 pin of the high-voltage package T1;
the other end of the self-breakdown discharge diode D3 is connected with the negative electrode of the rectifying diode D2 and one end of the nonpolar capacitor C2 at the same time;
the other end of the nonpolar capacitor C2 is connected with the 1 pin of the high-voltage package T1;
pins 3 and 4 of the high-voltage package T1 are connected with the discharge electrode.
2. The ac pulse igniter circuit of claim 1 further comprising a rectifier diode D4, the positive pole of the rectifier diode D4 being connected to pin 1 of the high voltage package T1, the negative pole of the rectifier diode D4 being connected to pin 2 of the high voltage package T1.
3. The ac pulse igniter circuit of claim 1 wherein a fuse F1 is further disposed between the ac power source Vin and the nonpolar capacitor C1.
4. An ac pulse igniter circuit capable of operating over a wide voltage range as defined in claim 1 wherein said non-polar capacitor C1 is further connected in parallel with a discharge resistor R2.
5. An ac pulse igniter circuit operable over a wide voltage range as defined in claim 3 further comprising a varistor ZNR1, said varistor ZNR1 having one end connected to the zero line of said ac power source Vin and the other end connected between said fuse F1 and a non-polar capacitor C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407913.6U CN219605454U (en) | 2023-06-03 | 2023-06-03 | Alternating current pulse igniter circuit capable of working in wide voltage range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407913.6U CN219605454U (en) | 2023-06-03 | 2023-06-03 | Alternating current pulse igniter circuit capable of working in wide voltage range |
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| Publication Number | Publication Date |
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| CN219605454U true CN219605454U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321407913.6U Active CN219605454U (en) | 2023-06-03 | 2023-06-03 | Alternating current pulse igniter circuit capable of working in wide voltage range |
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| CN (1) | CN219605454U (en) |
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2023
- 2023-06-03 CN CN202321407913.6U patent/CN219605454U/en active Active
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