CN209882184U - High-voltage circuit for mosquito eradication lamp - Google Patents
High-voltage circuit for mosquito eradication lamp Download PDFInfo
- Publication number
- CN209882184U CN209882184U CN201920230432.XU CN201920230432U CN209882184U CN 209882184 U CN209882184 U CN 209882184U CN 201920230432 U CN201920230432 U CN 201920230432U CN 209882184 U CN209882184 U CN 209882184U
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- resistor
- circuit
- triode
- capacitor
- transformer
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Abstract
The utility model discloses a high-voltage circuit for a mosquito killer lamp, which comprises a power supply access circuit, a switch oscillation circuit and a booster circuit, wherein the power supply access circuit is a low-voltage direct-current power supply access circuit and comprises an inductor LN1 and a fuse FN1 which are mutually connected; the switch oscillation circuit adopts a half-bridge design, has large output power, ensures that the mosquito killing lamp can continuously shock mosquitoes, and has high working efficiency. Two groups of booster circuits consisting of multiple resistors, a single capacitor and a single diode are adopted, so that the short-circuit current of the output end can be ensured to be less than 10mA, and the national safety requirement is met. The high-voltage circuit has the advantages of higher safety factor, higher output power and higher working efficiency.
Description
Technical Field
The utility model relates to a high-voltage circuit, especially a high-voltage circuit for mosquito killer lamp.
Background
The existing electric shock type mosquito killer lamp comprises an electric shock net, wherein the electric shock net is connected with a power supply through a booster circuit, a switch oscillation circuit and various rectifying circuits, and mosquitoes can be electrocuted when touching the electrified electric shock net. However, the high-voltage circuit composed of the above circuits generally has the problems of low safety factor, low output power, low working efficiency and the like.
Disclosure of Invention
In order to overcome the problems existing in the prior art, the utility model aims to provide a high-voltage circuit for a mosquito eradication lamp, which has higher safety factor, larger output power and higher working efficiency.
The utility model discloses a realize above-mentioned purpose like this:
the high-voltage circuit for the mosquito killing lamp comprises a power supply access circuit, a switching oscillation circuit and a booster circuit, wherein the power supply access circuit is a low-voltage direct-current power supply access circuit and comprises an inductor LN1 and a fuse FN1 which are mutually connected; the switch oscillation circuit is composed of a resistor RN1, a resistor RN2, a triode QN1, a triode QN2, a capacitor CN1, a transformer TN1 and a thermistor PTC, one end of a resistor RN1 is connected with one end of a resistor RN2 and the other end of a fuse FN1 and a pin 3 of a transformer TN1, the other end of the resistor RN1 is connected with a base of a triode QN1 and a pin 2 of the transformer TN1, the other end of the resistor RN2 is connected with a base of a triode QN2 and a pin 5 of the transformer TN1, one end of a capacitor CN1 is connected with a collector of the triode QN1 and a pin 1 of the transformer TN1, the other end of the capacitor CN1 is connected with a collector of the triode QN2 and a pin 4 of the transformer TN1, and emitters of the triode QN1 and the triode QN2 are connected with the thermistor PTC; the boost circuit is composed of a capacitor CN2, a diode DN2, a resistor RN2 and a resistor RN2, one end of the capacitor CN2 is connected with one end of a pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with one end of an output end H2, one end of the resistor RN2 and the anode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the other end of the resistor RN2, one end of the capacitor CN2 is connected with one end of the pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with the output end H2, one end of the resistor RN2 and the cathode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the anode DN2 of the diode DN 2.
The utility model has the advantages that: the circuit adopts a low-voltage direct-current power supply access circuit consisting of an inductor LN1 and a fuse FN1 which are mutually connected, so that the danger coefficient of high-voltage input can be effectively avoided; the switch oscillation circuit adopts a half-bridge design, has high output power, ensures that the mosquito killing lamp can continuously shock mosquitoes, and has high working efficiency; in addition, two groups of booster circuits consisting of multiple resistors, a single capacitor and a single diode are adopted, so that the short-circuit current of the output end can be ensured to be less than 10mA, and the national safety requirement is met; when the power supply is powered off, the output voltage can be reduced to 0V within 1s, the voltage reduction is rapid, and the safety performance in the use process is further ensured. In addition, because the emitting electrodes of the triode QN1 and the triode QN2 are connected with the thermistor PTC, when the electric shock net shocks mosquitoes, the continuous discharge time is long or other parts are short-circuited and leak electricity, the temperature of the thermistor PTC can be rapidly increased, the resistance value is rapidly increased to block the current, and other components are protected from being burnt out.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic block circuit diagram of the present invention;
fig. 2 is a specific circuit diagram of the present invention.
Detailed Description
Referring to fig. 1 and 2, the high voltage circuit for a mosquito killer lamp comprises a power supply access circuit, a switching oscillation circuit and a voltage boosting circuit, wherein the power supply access circuit is a low-voltage direct current power supply access circuit and comprises an inductor LN1 and a fuse FN1 which are connected with each other; the switch oscillation circuit is composed of a resistor RN1, a resistor RN2, a triode QN1, a triode QN2, a capacitor CN1, a transformer TN1 and a thermistor PTC, one end of a resistor RN1 is connected with one end of a resistor RN2 and the other end of a fuse FN1 and a pin 3 of a transformer TN1, the other end of the resistor RN1 is connected with a base of a triode QN1 and a pin 2 of the transformer TN1, the other end of the resistor RN2 is connected with a base of a triode QN2 and a pin 5 of the transformer TN1, one end of a capacitor CN1 is connected with a collector of the triode QN1 and a pin 1 of the transformer TN1, the other end of the capacitor CN1 is connected with a collector of the triode QN2 and a pin 4 of the transformer TN1, and emitters of the triode QN1 and the triode QN2 are connected with the thermistor PTC; the boost circuit is composed of a capacitor CN2, a diode DN2, a resistor RN2 and a resistor RN2, one end of the capacitor CN2 is connected with one end of a pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with one end of an output end H2, one end of the resistor RN2 and the anode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the other end of the resistor RN2, one end of the capacitor CN2 is connected with one end of the pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with the output end H2, one end of the resistor RN2 and the cathode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the anode DN2 of the diode DN 2. The circuit adopts a low-voltage direct-current power supply access circuit consisting of an inductor LN1 and a fuse FN1 which are mutually connected, so that the danger coefficient of high-voltage input can be effectively avoided; the switch oscillation circuit adopts a half-bridge design, has high output power, ensures that the mosquito killing lamp can continuously shock mosquitoes, and has high working efficiency; in addition, two groups of booster circuits consisting of multiple resistors, a single capacitor and a single diode are adopted, the output voltage can be boosted to 2000V to 3500V, the short-circuit current of the output end can be ensured to be less than 10mA, and the national safety requirement is met; when the power supply is powered off, the output voltage can be reduced to 0V within 1s, the voltage reduction is rapid, and the safety performance in the use process is further ensured. In addition, because the emitting electrodes of the triode QN1 and the triode QN2 are connected with the thermistor PTC, when the electric shock net shocks mosquitoes, the continuous discharge time is long or other parts are short-circuited and leak electricity, the temperature of the thermistor PTC can be rapidly increased, the resistance value is rapidly increased to block the current, and other components are protected from being burnt out. The low-voltage direct-current power supply access circuit is connected with a 12V storage battery or a solar charging panel.
In short, the present invention is not limited to the above-mentioned embodiments, and the technical solutions equivalent to or inferior to the present invention also belong to the protection scope of the present invention.
Claims (1)
1. High voltage circuit for mosquito killer lamp, including power access circuit, switching oscillation circuit and boost circuit, its characterized in that: the power supply access circuit is a low-voltage direct-current power supply access circuit and comprises an inductor LN1 and a fuse FN1 which are connected with each other; the switch oscillation circuit is composed of a resistor RN1, a resistor RN2, a triode QN1, a triode QN2, a capacitor CN1, a transformer TN1 and a thermistor PTC, one end of a resistor RN1 is connected with one end of a resistor RN2 and the other end of a fuse FN1 and a pin 3 of a transformer TN1, the other end of the resistor RN1 is connected with a base of a triode QN1 and a pin 2 of the transformer TN1, the other end of the resistor RN2 is connected with a base of a triode QN2 and a pin 5 of the transformer TN1, one end of a capacitor CN1 is connected with a collector of the triode QN1 and a pin 1 of the transformer TN1, the other end of the capacitor CN1 is connected with a collector of the triode QN2 and a pin 4 of the transformer TN1, and emitters of the triode QN1 and the triode QN2 are connected with the thermistor PTC; the boost circuit is composed of a capacitor CN2, a diode DN2, a resistor RN2 and a resistor RN2, one end of the capacitor CN2 is connected with one end of a pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with one end of an output end H2, one end of the resistor RN2 and the anode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the other end of the resistor RN2, one end of the capacitor CN2 is connected with one end of the pin 6 of the transformer TN 2 and one end of the resistor RN2, the other end of the capacitor CN2 is connected with the output end H2, one end of the resistor RN2 and the cathode of the diode DN2, two ends of the resistor RN2 are respectively connected with the other end of the resistor RN2 and the anode DN2 of the diode DN 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920230432.XU CN209882184U (en) | 2019-02-25 | 2019-02-25 | High-voltage circuit for mosquito eradication lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920230432.XU CN209882184U (en) | 2019-02-25 | 2019-02-25 | High-voltage circuit for mosquito eradication lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209882184U true CN209882184U (en) | 2019-12-31 |
Family
ID=68953127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920230432.XU Expired - Fee Related CN209882184U (en) | 2019-02-25 | 2019-02-25 | High-voltage circuit for mosquito eradication lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209882184U (en) |
-
2019
- 2019-02-25 CN CN201920230432.XU patent/CN209882184U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |