CN101733215A - Electrostatic atomizer - Google Patents
Electrostatic atomizer Download PDFInfo
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- CN101733215A CN101733215A CN200810136293A CN200810136293A CN101733215A CN 101733215 A CN101733215 A CN 101733215A CN 200810136293 A CN200810136293 A CN 200810136293A CN 200810136293 A CN200810136293 A CN 200810136293A CN 101733215 A CN101733215 A CN 101733215A
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Abstract
The invention relates to an electrostatic atomizer. The electrostatic atomizer comprises a liquid storage container, a high-voltage electrostatic generator with an anode and a cathode, a connecting hosepipe and a spray gun; the high-voltage electrostatic generator comprises a power inverter circuit, a high frequency transformer and a voltage doubling rectifying circuit; the power inverter circuit comprises a multivibrator which is formed by an integrated circuit; and the multivibrator comprises a 555 integrated time-base circuit, external resistances R1 and R2, and external capacitances C1 and C2. The frequency of the multivibrator consisting of the 555 integrated time-base circuit is determined by R1, R2 and C1, and does not change with the rising and the dropping of an applied power and the change of other factors, so that when the external environment changes, the multivibrator still can always provide a reliable and stable oscillator signal, and the oscillation stop phenomenon cannot occur; and the special epoxy pouring encapsulation technology is used so that the volume of the high-voltage electrostatic generator can be smaller to meet the use requirements of a plurality of special occasions.
Description
Technical field
The present invention relates to a kind of electrostatic atomiser, relate in particular to the high-voltage electrostatic generator in the electrostatic atomiser.
Background technology
In the prior art, high-voltage electrostatic generator generally is made up of three parts: power inverse transformation circuit, high frequency transformer and voltage doubling rectifing circuit.Electrostatic atomiser is because of the needs of workplace, and its operating voltage is all lower, is generally 3.7～24 volts, by various types of powered battery.
Power inverse transformation circuit converts low-voltage dc power supply to high-frequency ac power, and its frequency can be controlled by the components and parts in the circuit.Suitable frequency is with adaptive employed transistor (or other semiconductor devices) and high frequency transformer.
High frequency transformer promotes the resulting high frequency low-voltage of inverter circuit and is high-frequency high-voltage.The voltage doubling rectifing circuit that the resulting high-frequency and high-voltage power supply that boosts is formed through high-voltage diode and high-voltage capacitance can obtain high direct voltage.The height of output voltage is by the step-up ratio of transformer and the progression control of voltage multiplying rectifier.Guide to respectively on the pole plate when the both positive and negative polarity of high pressure, between two pole plates, just formed the high-voltage electrostatic field.
Yet, the electric circuit characteristic of general electrostatic atomiser and have defective, in the circuit diagram that general electrostatic generator is as shown in Figure 2 used always, form multivibrator by transistor T, transformer B and capacitor C, L2 is to keep the condition of vibration through the feedback of C, and the frequency of vibration is determined by L1 and distribution capacity C1.
This circuit is simple, in some industries, obtain more application, but circuit is to the characteristic of transistor T, the numerical value of L2 among the transformer B has higher requirement, after processing, can cause the variation of resonant frequency and feedback intensity simultaneously, make oscillator work undesired, even failure of oscillation can not move through outsides such as encapsulation, cause no high-pressure electrostatic, the reliability of electrostatic generator is relatively poor.
And the voltage-multiplying circuit that adopts high-voltage capacitance and high-voltage diode to form is difficult for accomplishing compact under condition of high voltage, can not be applied in the occasion little to the volume size requirements of electrostatic generator.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of electrostatic atomiser, high-voltage electrostatic generator wherein has higher reliability, and the compact that can make of the product size of high-voltage electrostatic generator.
For solving above technical problem, the technical scheme that the present invention takes is: a kind of electrostatic atomiser, and it comprises liquid storage container, has the high-voltage electrostatic generator of positive pole and negative pole, is connected flexible pipe, spray gun, and described high-voltage electrostatic generator comprises:
Power inverse transformation circuit, described power inverse transformation circuit is used for low-voltage dc power supply is transformed into high-frequency ac power;
High frequency transformer, the output of its input and described power inverse transformation circuit is electrically connected, and described high frequency transformer is used for the high frequency low voltage transition is become high-frequency high-voltage;
Voltage doubling rectifing circuit, the output of its input and described high frequency transformer is electrically connected, and described voltage doubling rectifing circuit is used for converting high-frequency high-voltage to dc high voltage;
Described power inverse transformation circuit comprises multivibrator, and described multivibrator is that integrated circuit makes up.
Described multivibrator comprises 555 time-base integrated circuits and outer meeting resistance R1, R2 and external capacitor C1, C2.
Be electrically connected by triode T between described power inverse transformation circuit and the described high frequency transformer.
The base stage of the output of described power inverse transformation circuit and triode T is electrically connected by resistance R b, and the colelctor electrode of the input of described high frequency transformer and triode T is electrically connected.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
1, the frequency of the multivibrator of 555 time base circuits composition is by R1, R2 and C1 decision, do not change with the lifting of additional power source and the variation of other factors, when external environment changes, still can provide reliable and stable oscillator signal all the time, the failure of oscillation phenomenon can not take place.
2, triode T just bears amplification, and its amplifying signal is directly provided by time base circuit, and its duty is reliable, not influenced by other factors, controlled by feedback signal unlike the former.
3, when selecting the triode T of different capacity, more easily be made into the generator of different output power.
4, because triode T and transformer B just do the effect of amplification and booster tension, therefore the requirement to triode T and transformer B reduces greatly.
5, use integrated high voltage electric capacity as the voltage multiplying rectifier element, used special epoxy casting encapsulation technology simultaneously, make the overall volume of high-voltage electrostatic generator can do lessly, satisfied the instructions for use of some special occasions.
Description of drawings
Accompanying drawing 3 is a structural representation of the present invention;
Wherein:
1, liquid storage container; 2, high-voltage electrostatic generator; 3, spray gun; 5, connect flexible pipe; 6, power inverse transformation circuit; 7, high frequency transformer; 8, voltage doubling rectifing circuit.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the invention is elaborated:
A kind of electrostatic atomiser as shown in Figure 3, it comprises liquid storage container 1, has the high-voltage electrostatic generator 2 of positive pole and negative pole, is connected flexible pipe 5, spray gun 3.An end that connects flexible pipe 5 is connected with liquid storage container 1, and the other end that connects flexible pipe 5 is connected with the rearward end of spray gun 3.
As shown in Figure 4, described high-voltage electrostatic generator 2 comprises:
Power inverse transformation circuit 6, described power inverse transformation circuit 6 is used for low-voltage dc power supply is transformed into high-frequency ac power;
Voltage doubling rectifing circuit 8, the output of its input and described high frequency transformer 7 is electrically connected, and described voltage doubling rectifing circuit 8 is used for converting high-frequency high-voltage to dc high voltage;
Described power inverse transformation circuit 6 comprises multivibrator, and described multivibrator is that integrated circuit makes up.
In the present embodiment, described multivibrator comprises 555 time-base integrated circuits and outer meeting resistance R1, R2 and external capacitor C1, C2.555 time-base integrated circuits are a kind of medium-scale integration devices.The characteristics of 555 time base circuit maximums can constitute accurate timing circuit after adding simple RC circuit exactly.Circuit structure is simple, and stability is strong, is easy to adjust.
In more detail, pin 1 ground connection of described 555 time-base integrated circuits, pin 4 and pin 8 are connected on the power Vcc, and pin 2 is electrically connected with pin 6, the end of outer meeting resistance R1 is connected electrically on the power Vcc, and the pin 7 of the other end and 555 time base circuits is electrically connected; The end of outer meeting resistance R2 is connected electrically on the pin 7 of 555 time base circuits, and the other end and pin 2 are electrically connected; The end of external capacitor C1 is connected electrically on the pin 2 of 555 time base circuits, other end ground connection; The end of external capacitor C2 is connected electrically on the pin 5 of 555 time base circuits, other end ground connection; Pin 3 is the output of power inverse transformation circuit 6.
Be electrically connected by triode T between described power inverse transformation circuit 6 and the described high frequency transformer 7.
The base stage of the output of described power inverse transformation circuit 6 and triode T is electrically connected by resistance R b, and the colelctor electrode of the input of described high frequency transformer 7 and triode T is electrically connected.
The pulsation modulation signal of the multivibrator output of being made up of 555 time base circuits and R1, R2, C1, C2 directly drives high frequency transformer B through triode T, the high frequency low-voltage process high frequency transformer B lifting of 555 time base circuits output is high-frequency high-voltage, again this high-frequency high-voltage is obtained high-pressure electrostatic voltage through the voltage-multiplying circuit of integrated high voltage electric capacity and high-voltage diode composition.
The frequency of the multivibrator that 555 time base circuits are formed is by R1, R2 and C1 decision, do not change with the lifting of additional power source and the variation of other factors, when external environment changes, still can provide reliable and stable oscillator signal all the time, the failure of oscillation phenomenon can not take place, compared with prior art, improved reliability greatly.
Among the present invention, triode T just bears amplification, and its amplifying signal is directly provided by time base circuit, and its duty is reliable, not influenced by other factors, controlled by feedback signal unlike (seeing accompanying drawing 2) in the prior art.
When selecting the triode T of different capacity, more easily be made into the generator of different output power, have comparatively extensive applicability.
Because triode T and transformer B just do the effect of amplification and booster tension, therefore the requirement to triode T and transformer B reduces greatly.
Use integrated high voltage electric capacity as the voltage multiplying rectifier element, used special epoxy casting encapsulation technology simultaneously, make the overall volume of high-voltage electrostatic generator can do lessly, satisfied the instructions for use of some special occasions.
The relevant data of enclosing this patent product electrostatic atomiser is for reference:
Appearance and size:
72×26×20 90×26×20 (L×W×H)
Input voltage: 3.7VDC 6VDC 12VDC 24VDC
Output voltage: 20～60KV (suitably increase appearance and size, can accomplish 100KV)
The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. electrostatic atomiser, it comprises liquid storage container (1), has the high-voltage electrostatic generator (2) of positive pole and negative pole, is connected flexible pipe (5), spray gun (3), described high-voltage electrostatic generator (2) comprising:
Power inverse transformation circuit (6), described power inverse transformation circuit (6) is used for low-voltage dc power supply is transformed into high-frequency ac power;
High frequency transformer (7), the output of its input and described power inverse transformation circuit (6) is electrically connected, and described high frequency transformer (7) is used for the high frequency low voltage transition is become high-frequency high-voltage;
Voltage doubling rectifing circuit (8), the output of its input and described high frequency transformer (7) is electrically connected, and described voltage doubling rectifing circuit (8) is used for converting high-frequency high-voltage to dc high voltage;
It is characterized in that: described power inverse transformation circuit (6) comprises multivibrator, and described multivibrator is that integrated circuit makes up.
2. electrostatic atomiser according to claim 1 is characterized in that: described multivibrator comprises 555 time-base integrated circuits and outer meeting resistance R1, R2 and external capacitor C1, C2.
3. electrostatic atomiser according to claim 2, it is characterized in that: pin 1 ground connection of described 555 time-base integrated circuits, pin 4 and pin 8 are connected on the power Vcc, pin 2 is electrically connected with pin 6, the end of outer meeting resistance R1 is connected electrically on the power Vcc, and the pin 7 of the other end and 555 time base circuits is electrically connected; The end of outer meeting resistance R2 is connected electrically on the pin 7 of 555 time base circuits, and the other end and pin 2 are electrically connected; The end of external capacitor C1 is connected electrically on the pin 2 of 555 time base circuits, other end ground connection; The end of external capacitor C2 is connected electrically on the pin 5 of 555 time base circuits, other end ground connection; Pin 3 is the output of power inverse transformation circuit (6).
4. electrostatic atomiser according to claim 3 is characterized in that: be electrically connected by triode T between described power inverse transformation circuit (6) and the described high frequency transformer (7).
5. electrostatic atomiser according to claim 4, it is characterized in that: the output of described power inverse transformation circuit (6) and the base stage of triode T are electrically connected by resistance R b, and the input of described high frequency transformer (7) and the colelctor electrode of triode T are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810136293A CN101733215A (en) | 2008-11-24 | 2008-11-24 | Electrostatic atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810136293A CN101733215A (en) | 2008-11-24 | 2008-11-24 | Electrostatic atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101733215A true CN101733215A (en) | 2010-06-16 |
Family
ID=42457541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810136293A Pending CN101733215A (en) | 2008-11-24 | 2008-11-24 | Electrostatic atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101733215A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721878A (en) * | 2013-12-06 | 2014-04-16 | 江苏大学 | High-voltage static electricity generator |
| CN106026644A (en) * | 2016-07-21 | 2016-10-12 | 卫斌鹏 | Time-base circuit voltage-multiplying rectification power supply |
| CN107564380A (en) * | 2017-09-13 | 2018-01-09 | 吴世贵 | A kind of electrostatic generator of xerography experimental provision |
-
2008
- 2008-11-24 CN CN200810136293A patent/CN101733215A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721878A (en) * | 2013-12-06 | 2014-04-16 | 江苏大学 | High-voltage static electricity generator |
| CN106026644A (en) * | 2016-07-21 | 2016-10-12 | 卫斌鹏 | Time-base circuit voltage-multiplying rectification power supply |
| CN106026644B (en) * | 2016-07-21 | 2018-05-22 | 佛山市汇昊智能科技有限公司 | Time base circuit voltage multiplying rectifier power supply |
| CN107564380A (en) * | 2017-09-13 | 2018-01-09 | 吴世贵 | A kind of electrostatic generator of xerography experimental provision |
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Application publication date: 20100616 |