CN203275936U - Single-chip microcomputer control heating circuit - Google Patents
Single-chip microcomputer control heating circuit Download PDFInfo
- Publication number
- CN203275936U CN203275936U CN 201320341323 CN201320341323U CN203275936U CN 203275936 U CN203275936 U CN 203275936U CN 201320341323 CN201320341323 CN 201320341323 CN 201320341323 U CN201320341323 U CN 201320341323U CN 203275936 U CN203275936 U CN 203275936U
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- CN
- China
- Prior art keywords
- chip microcomputer
- circuit
- chip
- microcomputer control
- heating plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a single-chip microcomputer control heating circuit which comprises a socket and a PTC heating plate which are connected with a power supply. The heating circuit also comprises a single-chip microcomputer control circuit; the single-chip microcomputer control circuit comprises a stabilized voltage supply module, a single-chip microcomputer, a relay, and an input key; a single-chip microcomputer control port is connected with a relay coil; a relay contact switch is in series connection with the PTC heating plate and the socket; and a lighting circuit is also connected between the single-chip microcontroller and the stabilized voltage supply module. According to the utility model, the single-chip microcomputer control circuit is used to control opening/closing of the relay contact switch so as to enable the PTC heating plate to stop or start heating, and accordingly the volatilization of the mosquito-repellent incense liquid remains stable.
Description
Technical field
The utility model relates to a kind of circuit, especially the circuit of electrical heating mosquito-repellent incense.
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.Prior art is that anti-mosquito incense sheet is placed on the PTC thermistor, utilizes the PTC heat effect to make the anti-mosquito incense sheet sustained release, thus the kill mosquito mosquito repellent.Use initially, anti-mosquito incense sheet herb liquid content is higher, and volatile substance is more, passes in time, and the medicament contg volatilization reduces gradually.This just causes the volatilization of anti-mosquito incense sheet liquid not to be into steady state, but first high rear low, causing problem is one just to have brought into use interior space pharmaceutical gas content larger, will produce allergy, discomfort to sensitive group, baby, pregnant woman, the 2nd, use the later stage volatile substance to reduce, cause reaching repelling effect.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-functional Single-chip Controlling heater circuit.
The purpose of this utility model is completed by following technical solution, the Single-chip Controlling heater circuit, comprise socket, the PTC heating plate that can be connected with power supply, it is characterized in that: described heater circuit also comprises single chip machine controlling circuit, described single chip machine controlling circuit comprises connected power module of voltage regulation, single-chip microcomputer, relay, input key, described Single-chip Controlling port connects relay coil, described relay contact switch is connected in series with PTC heating plate, socket, also is connected with lighting circuit between described single-chip microcomputer and power module of voltage regulation.
Described lighting circuit comprises light source, the resistance of serial connection, is parallel with a keyswitch on described resistance.
The utility model is closed by the contact disconnection of single chip machine controlling circuit pilot relay, make the PTC heating plate stop or heating, keep steady state (SS) thereby reach the volatilization of anti-mosquito incense sheet liquid, avoid the anti-mosquito incense sheet liquid to concentrate on volatilization for the previous period, effectively continue the anti-mosquito incense sheet liquid volatilization time.Also comprise simultaneously a lighting circuit, resistance of series connection in 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 electrical block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed introduction:
As shown in Figure 1: the Single-chip Controlling heater circuit, comprise socket, the PTC heating plate 2 that can be connected with 220V power supply 1, heater circuit also comprises single chip machine controlling circuit 3.Single chip machine controlling circuit comprises connected power module of voltage regulation 31, single-chip microcomputer 32, relay 33, input key 34.This Single-chip Controlling port connects relay coil, and relay contact switch is connected in series with PTC heating plate, socket, also is connected with lighting circuit 35 between single-chip microcomputer and power module of voltage regulation.Lighting circuit comprises light source, the resistance of serial connection, is parallel with a keyswitch on described resistance.
Claims (2)
1. Single-chip Controlling heater circuit, comprise socket, the PTC heating plate that can be connected with power supply, it is characterized in that: described heater circuit also comprises single chip machine controlling circuit, described single chip machine controlling circuit comprises connected power module of voltage regulation, single-chip microcomputer, relay, input key, described Single-chip Controlling port connects relay coil, described relay contact switch is connected in series with PTC heating plate, socket, also is connected with lighting circuit between described single-chip microcomputer and power module of voltage regulation.
2. Single-chip Controlling heater circuit according to claim 1, described lighting circuit comprises light source, the resistance of serial connection, is parallel with a keyswitch on described resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320341323 CN203275936U (en) | 2013-06-15 | 2013-06-15 | Single-chip microcomputer control heating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320341323 CN203275936U (en) | 2013-06-15 | 2013-06-15 | Single-chip microcomputer control heating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275936U true CN203275936U (en) | 2013-11-06 |
Family
ID=49506309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320341323 Expired - Fee Related CN203275936U (en) | 2013-06-15 | 2013-06-15 | Single-chip microcomputer control heating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275936U (en) |
-
2013
- 2013-06-15 CN CN 201320341323 patent/CN203275936U/en not_active Expired - Fee Related
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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 |