CN203275914U - Multipurpose mosquito-repellent incense heating circuit - Google Patents
Multipurpose mosquito-repellent incense heating circuit Download PDFInfo
- Publication number
- CN203275914U CN203275914U CN 201320341324 CN201320341324U CN203275914U CN 203275914 U CN203275914 U CN 203275914U CN 201320341324 CN201320341324 CN 201320341324 CN 201320341324 U CN201320341324 U CN 201320341324U CN 203275914 U CN203275914 U CN 203275914U
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- mosquito
- repellent incense
- circuit
- contact switch
- relay contact
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Abstract
The utility model relates to a multipurpose mosquito-repellent incense heating circuit which comprises a socket, a display lamp, and a PTC heating sheet which are connected, wherein the socket is connected to a power source. The circuit is also connected in series with a resistor and a relay contact switch; the resistor is connected in parallel with a key switch; and the relay contact switch is controlled by a timing control circuit switch. When the lighting is needed to facilitate loading or replacement of the mosquito-repellent incense sheet, the key switch closes so that the resistor is enabled to be short-circuited and the current in the circuit becomes larger; and the brightness of the display lamp is enhanced and the convenient operation is facilitated for people.
Description
Technical field
The utility model relates to a kind of circuit, especially the mosquito-repellent incense heater circuit.
Background technology
Summer, mosquito was many, needed to use anti-mosquito incense sheet and supporting well heater, and anti-mosquito incense sheet is the special-purpose scraps of paper of a certain amount of mosquito liquid of pre-soaked mistake.When indoor dark needed to use the anti-mosquito incense sheet mosquito repellent, the filling anti-mosquito incense sheet just need to find well heater to place the grid of anti-mosquito incense sheet.Operation will bring very large difficulty under dark state, can stimulate people's eyes and turn on light, the impact sleep.In existing anti-mosquito incense sheet well heater, circuit is typically provided with the work display lamp, and its brightness is darker, can't play the effect of illumination indication.
Summary of the invention
The purpose of this utility model is to provide a kind of multiplex mosquito-repellent incense heater circuit that facilitates people's placement at night or change anti-mosquito incense sheet.
The purpose of this utility model is completed by following technical solution, multiplex mosquito-repellent incense heater circuit, comprise the socket that is connected with power supply, and the display lamp, the PTC heating plate that are connected, it is characterized in that: also be in series with resistance and relay contact switch in described circuit, be parallel with a keyswitch on described resistance, described relay contact switch is by a timing control circuit gauge tap.
Described timing control circuit comprises 555 timers (U1), resistance (R2), adjustable resistance (RP), electric capacity (C4, C5), diode (D3), triode (Q1), button (S1) and relay (J) coil, described relay (J) coil pilot relay contact switch.
Described display lamp is bulb or LED lamp.
Resistance of series connection in the utility model circuit, the normal condition keyswitch disconnects, and in circuit, electric current is little, and display lamp brightness is less, is suitable for the instruction heater duty, and the eyes that do not stimulate the people.When needs threw light on convenient filling or change anti-mosquito incense sheet, keyswitch was closed, thereby makes resistive short, and in circuit, electric current becomes large, thereby display lamp brightness is strengthened, the operation that is convenient for people to.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed introduction:
As shown in Figure 1: multiplex mosquito-repellent incense heater circuit, comprise the socket that is connected with 220V power supply 6, and the display lamp 7, the PTC heating plate 2 that are connected, also be in series with resistance 4 and relay contact switch 3 in this circuit, be parallel with a keyswitch 5 on resistance 4, and relay contact switch 3 is by a timing control circuit gauge tap 1.Display lamp adopts the LED lamp.Timing control circuit comprises 555 timers (U1), resistance (R2), adjustable resistance (RP), electric capacity (C4, C5), diode (D3), triode (Q1), button (S1) and relay (J) coil, described relay (J) coil pilot relay contact switch 3.
Claims (3)
1. multiplex mosquito-repellent incense heater circuit, comprise the socket that is connected with power supply, and the display lamp, the PTC heating plate that are connected, it is characterized in that: also be in series with resistance and relay contact switch in described circuit, be parallel with a keyswitch on described resistance, described relay contact switch is by a timing control circuit gauge tap.
2. multiplex mosquito-repellent incense heater circuit according to claim 1, described timing control circuit comprises 555 timers (U1), resistance (R2), adjustable resistance (RP), electric capacity (C4, C5), diode (D3), triode (Q1), button (S1) and relay (J) coil, described relay (J) coil pilot relay contact switch.
3. multiplex mosquito-repellent incense heater circuit according to claim 1, described display lamp is bulb or LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320341324 CN203275914U (en) | 2013-06-15 | 2013-06-15 | Multipurpose mosquito-repellent incense heating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320341324 CN203275914U (en) | 2013-06-15 | 2013-06-15 | Multipurpose mosquito-repellent incense heating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275914U true CN203275914U (en) | 2013-11-06 |
Family
ID=49506287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320341324 Expired - Fee Related CN203275914U (en) | 2013-06-15 | 2013-06-15 | Multipurpose mosquito-repellent incense heating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704001A (en) * | 2017-12-06 | 2018-02-16 | 国网山东省电力公司潍坊供电公司 | Transformer station " five casees " internal environment intelligent monitor system |
-
2013
- 2013-06-15 CN CN 201320341324 patent/CN203275914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704001A (en) * | 2017-12-06 | 2018-02-16 | 国网山东省电力公司潍坊供电公司 | Transformer station " five casees " internal environment intelligent monitor system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140615 |
|
| EXPY | Termination of patent right or utility model |