CN208092572U - A kind of atomizer overheating protection circuit - Google Patents
A kind of atomizer overheating protection circuit Download PDFInfo
- Publication number
- CN208092572U CN208092572U CN201820592899.4U CN201820592899U CN208092572U CN 208092572 U CN208092572 U CN 208092572U CN 201820592899 U CN201820592899 U CN 201820592899U CN 208092572 U CN208092572 U CN 208092572U
- Authority
- CN
- China
- Prior art keywords
- circuit
- atomizer
- temperature sensing
- sensing circuit
- overheating protection
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of atomizer overheating protection circuits; including temperature sensing circuit, feedback circuit and control circuit; temperature sensing circuit is connect with feedback circuit, and feedback circuit is connect with control circuit, and the temperature sensing circuit directly detects the power device on pulverizer plate.Temperature sensing circuit directly detects the power device on pulverizer plate, can accurately learn the temperature of atomizer inner heat, more accurately understand the temperature on pulverizer plate, facilitate control, the temperature sensing circuit is simple in structure, of low cost, convenient and practical.
Description
Technical field
The utility model is related to circuit field, especially a kind of atomizer overheating protection circuit.
Background technology
Atomizer is the equipment for atomizing the liquid into.Atomizer will produce at pulverizer plate a large amount of in use
Heat can influence the normal work of atomizer when heat is excessively high, or even burn out atomizer, cause the accident.So existing atomizer
Two overheating protection circuits are designed with to detect the temperature in atomizer.There are mainly three types of temperature to examine for overheating protection circuit therein
Slowdown monitoring circuit is detection circuit, atomizing piece current detection circuit and capacitor induction type detection circuit using magnetron respectively.This
Three kinds of circuits are all to detect the temperature of liquid in atomizer as atomizer internal temperature, and be not the temperature detected on atomizing piece
Degree, measurement, which obtains temperature in the temperature and pulverizer plate of liquid, gap, moreover, three kinds of protection circuit costs are high, when two overheats
When circuit being protected all to use foregoing circuit, cost is excessively high, impracticable.
Utility model content
To solve problem of the prior art, the purpose of this utility model is to provide a kind of atomizer overheating protection circuit,
The temperature on pulverizer plate is directly detected, and the circuit structure is simple, cost is relatively low.
The utility model is technical solution used by solving the problems, such as it：
A kind of atomizer overheating protection circuit, including temperature sensing circuit, feedback circuit and control circuit, temperature detection electricity
Road is connect with feedback circuit, and feedback circuit is connect with control circuit, and the temperature sensing circuit directly detects the work(on pulverizer plate
Rate device, the temperature sensing circuit include power supply VCC, and the power supply VCC is connected to three by the thermistor NTC that connects
The base stage of the base stage of pole pipe Q1, triode Q1 is grounded by resistance R1, and the both ends of the resistance R1 are connected in parallel with a capacitor C1, three poles
The emitter of pipe Q1 is grounded, and the collector of triode Q1 connects the detection input that a resistance R2 constitutes temperature sensing circuit
TEST, detection input TEST are grounded by capacitance C2.
Preferably, feedback circuit is mounted on the pulverizer plate of atomizer, and the temperature measured on pulverizer plate is anti-through feedback circuit
It feeds control circuit.
Preferably, the control circuit is mounted on the master control borad of atomizer.
Preferably, the detection input TEST of the temperature sensing circuit is connect with the power device on pulverizer plate, directly
Power device is measured, temperature is more accurately detected.
Preferably, power supply VCC uses 34V power supplys in the temperature sensing circuit, is suitable for atomizer internal electric source.
The utility model has the beneficial effects that：
By said program it is found that temperature sensing circuit directly detects the power device on pulverizer plate, mist can be accurately learnt
Change the temperature of device inner heat, more accurately understands the temperature on pulverizer plate, facilitate control, the temperature sensing circuit, structure
Simply, of low cost, it is convenient and practical.
Description of the drawings
Fig. 1 is the utility model principle figure；
Fig. 2 is the circuit diagram of the utility model temperature sensing circuit.
Specific implementation mode：
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of atomizer overheating protection circuit, including temperature sensing circuit, feedback circuit and control
Circuit, temperature sensing circuit are connect with feedback circuit, and feedback circuit is connect with control circuit, and the temperature sensing circuit is directly examined
The power device on pulverizer plate is surveyed, the temperature sensing circuit includes power supply VCC, and the power supply VCC passes through a temperature-sensitive of connecting
Resistance NTC is connected to the base stage of triode Q1, and the base stage of triode Q1 is grounded by resistance R1, and the both ends of the resistance R1 are in parallel
The emitter of one capacitance C1, triode Q1 are grounded, and the collector of triode Q1 connects a resistance R2 and constitutes temperature detection electricity
The detection input TEST on road, detection input TEST are grounded by capacitance C2.
The traditional overheating protection circuit of two overheating protection circuits, one use in atomizer, another is new using this practicality
The overheating protection circuit of type, it is cost-effective, it is convenient and practical, it not only ensure that the accurate of measurement but also ensured that cost is relatively low, it is acceptant.
The course of work：Temperature sensing circuit detects feeds back to master control borad when temperature anomaly by pulverizer plate feedback circuit
Control circuit, by control circuit according to the power of setting program intelligent control pulverizer plate, to make the operating temperature of pulverizer plate tie up
Hold the use scope in safety
Feedback circuit is mounted on the pulverizer plate of atomizer, and the temperature measured on pulverizer plate feeds back to control through feedback circuit
Circuit.
The control circuit is mounted on the master control borad of atomizer.
The detection input TEST of the temperature sensing circuit is connect with the power device on pulverizer plate, directly measures power
Device more accurately detects temperature.
Power supply VCC uses 34V power supplys in the temperature sensing circuit, is suitable for atomizer internal electric source.
Certainly, the above embodiment is not unique restriction to the utility model, other equivalent technical solutions should also be as
Within the protection domain of the invention.
Claims (5)
1. a kind of atomizer overheating protection circuit, including temperature sensing circuit, feedback circuit and control circuit, temperature sensing circuit
It is connect with feedback circuit, feedback circuit is connect with control circuit, it is characterised in that：The temperature sensing circuit directly detects atomization
Power device on plate, the temperature sensing circuit include power supply VCC, and the power supply VCC passes through the thermistor NTC that connects
It is connected to the base stage of triode Q1, the base stage of triode Q1 is grounded by resistance R1, a both ends electricity in parallel of the resistance R1
Hold C1, the collector of the emitter ground connection of triode Q1, triode Q1 connects the inspection that a resistance R2 constitutes temperature sensing circuit
Input terminal TEST is surveyed, detection input TEST is grounded by capacitance C2.
2. a kind of atomizer overheating protection circuit according to claim 1, it is characterised in that：The feedback circuit is mounted on
On the pulverizer plate of atomizer.
3. a kind of atomizer overheating protection circuit according to claim 1, it is characterised in that：The control circuit is mounted on
On the master control borad of atomizer.
4. a kind of atomizer overheating protection circuit according to claim 1, it is characterised in that：The temperature sensing circuit
Detection input TEST is connect with the power device on pulverizer plate.
5. a kind of atomizer overheating protection circuit according to claim 1, it is characterised in that：In the temperature sensing circuit
Power supply VCC uses 34V power supplys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592899.4U CN208092572U (en) | 2018-04-24 | 2018-04-24 | A kind of atomizer overheating protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592899.4U CN208092572U (en) | 2018-04-24 | 2018-04-24 | A kind of atomizer overheating protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092572U true CN208092572U (en) | 2018-11-13 |
Family
ID=64052005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820592899.4U Expired - Fee Related CN208092572U (en) | 2018-04-24 | 2018-04-24 | A kind of atomizer overheating protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208092572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023196A (en) * | 2020-07-30 | 2020-12-04 | 深圳麦克韦尔科技有限公司 | Micropore atomization assembly and device with temperature measurement function |
-
2018
- 2018-04-24 CN CN201820592899.4U patent/CN208092572U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023196A (en) * | 2020-07-30 | 2020-12-04 | 深圳麦克韦尔科技有限公司 | Micropore atomization assembly and device with temperature measurement function |
| CN112023196B (en) * | 2020-07-30 | 2022-08-09 | 深圳麦克韦尔科技有限公司 | Micropore atomization assembly and device with temperature measurement function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528300 One of the Fifth Floors of Building D, Zhongtengzhuoxuan Industrial Park, No. 12 Huanzhen East Road, Shunde Community Resident Committee, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: FOSHAN SHUNDE ZHONGTIAN ELECTRONIC CO.,LTD. Address before: 528300 Third Floor, No. 6 Nanle Middle Road, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE ZHONGTIAN ELECTRONIC CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |