CN101758330A - Spark protector of HSI high-frequency machine - Google Patents
Spark protector of HSI high-frequency machine Download PDFInfo
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- CN101758330A CN101758330A CN200810072456A CN200810072456A CN101758330A CN 101758330 A CN101758330 A CN 101758330A CN 200810072456 A CN200810072456 A CN 200810072456A CN 200810072456 A CN200810072456 A CN 200810072456A CN 101758330 A CN101758330 A CN 101758330A
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- high frequency
- frequency machine
- hsi
- voltage
- spark protector
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Abstract
The invention relates to a spark protector of an HSI high-frequency machine. The oscillating impulse triggering thyratron transistor conduction is generated by adopting an IC (Integrated Circuit) chip and a crystal element through weak voltage to form a closed loop with a high-frequency machine electronic tube grid resistor is formed. The negative bias current is pressed on an electronic tube grid in a bias way to enable a high-frequency machine to stop oscillating instantaneously (1-2 microseconds), thereby protecting a workpiece, a die, eyesight and the environment, enabling raw materials to be free from serious damage, ensuring that a core element-electronic tube of the high-frequency machine is free from the impact of heavy current simultaneously and prolonging the service life.
Description
Technical field
High frequency is hyperacoustic a kind of, and when frequency of oscillation during greater than 100khz, we just are referred to as high frequency.The high frequency machine is to utilize radio tube to produce the higher-order of oscillation (its power is at 1-300KW), is used for a kind of device of functions such as welding or welding.Such as at present plastics being processed use at the synchronous heat sealing machine of high frequency of usefulness on the market.The high frequency machine is when the generation high-frequency energy is utilized by us; but can produce the interpolar discharge spark inevitably; and spark to the human body eye look, environment, workpiece all be that certain injury is arranged, and prevents and protect so just must need a kind of spark protection system, and injury is dropped to minimum point.Involved in the present invention is a kind of HSI high frequency machine spark protector.
Background technology
Since coming into operation from the high frequency machine, all be to do spark protector with the vacuum thyratron.Its shortcoming is: peripheral cell is many, withstand voltage conditional request height, and the cost height, response speed slow (Millisecond), the life-span is short, control signal voltage height (48～65VDC), poor stability, spark protection weak effect.
Summary of the invention
The objective of the invention is in order to overcome existing vacuum thyratron as spark protector; its cost height; peripheral cell is many; and withstand voltage conditional request height, service life are short, response speed is slow, the defective of poor safety performance, invents a kind of by the IC chip and crystal element is formed and control signal light current pressure, safe and reliable HSI high frequency machine spark protector.
The present invention realizes by following mode: described HSI high frequency machine spark protector comprises power supply DC, voltage-stablizer IC
1, impulse generator IC
2, high-frequency inductor L, Zener D, switching tube IC
3, coupler T
1-T
n, IGCT V
S1-V
Sn, relay OL, capacitor C g and high frequency organic electronic pipe A form, power supply CD DC voltage divides three the tunnel, the one tunnel through voltage-stablizer IC
1Supply impulse generator IC after the voltage stabilizing
2Make the pulse power; Two tunnel ground connection are made signal voltage, through high-frequency inductor L reverse breakdown Zener D starting impulse generator IC
2Vibration produces 1MHZ left and right sides pulse signal trigger switch pipe IC
3Conducting; Three the tunnel through resistance R
6Supply coupler T after the current limliting
1--T
nMake coupling power, make the secondary of coupler T produce pulse signal triggering IGCT V
S1--V
SnConducting, again by a closed-loop path of forming by high frequency organic electronic pipe A, gate bias resistor Rg relay OL, capacitor C g:
Force the high frequency organic electronic pipe A failure of oscillations, relay OL action simultaneously, the oscillation power that cuts off high frequency organic electronic pipe A.
Good effect of the present invention is as follows: this spark protector is when in high frequency machine oscillatory process big interpolar discharge spark being arranged, to force the failure of oscillations of high frequency organic electronic pipe, relay OL action simultaneously, the oscillation power of cut-out high frequency organic electronic pipe.The present invention drifts about in frequency, the high frequency electric transfer impedance and load impedance does not match, when the medium impedance reduces (puncture or puncture); can in the 1-2 microsecond, force high frequency machine oscillation circuit to stop; thereby protected the staff to preserve from; also protected the Mo tool; it is badly damaged that raw material are not subjected to, and the core parts electron tube of guaranteeing the high frequency machine simultaneously is not subjected to the impact of big electric current and increases the service life.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention
The specific embodiment
As shown in Figure 1, a road of power supply DC through voltage-stablizer IC
1Offer impulse generator IC after the voltage stabilizing
2Power supply; Ground signalling output is done through high-frequency inductor L respectively in another road of power supply DC; And through R
6C
5Offer coupler Tn and T1 power supply.When high frequency machine operate as normal, 4 ends of high-frequency inductor L do not have the direct-flow signal voltage input, small high-frequency signal are arranged by Zener D pressure limiting, impulse generator IC on the high-frequency inductor L
21. pin be electronegative potential, IC
2Not vibration, then 4. pin pulse-free signal output, switching tube IC
3End; Coupler T1 to Tn secondary is that B limit no pulse produces IGCT V
S1To V
SnEnd, then do not have negative voltage on the grid of high frequency organic electronic pipe, no current flows through, the oscillation circuit of high frequency machine is normal.When frequency of oscillation take place drift be the high-frequency transmission impedance and load impedance does not match, when forming standing wave, or when causing the interpolar sparking because of raw material are impure etc., when the raw material under workpiece, the mould (medium) are breakdown or not breakdown, then high-frequency inductor L goes up and produces a high-frequency impulse, side by side holding the 24V direct current signal directly or indirectly to lead on 4 ends and the L high-frequency pulse signal pours into Zener D in the lump and makes its instantaneous reverse-conducting, impulse generator IC
21. pin be high potential, IC
2Opened and shaken, 4. pin is exported the pulse signal starting switching tube IC3 of an about 1MHZ, the secondary of its coupler T1 to Tn (B limit) just produces a pulse signal with the IC2 same frequency, IGCT Vs1 to Vsn is switched on when pulse lower edge (zero passage), grid G and closed-loop path of biasing resistor Rg of formation and high frequency organic electronic pipe, that is:
Force the failure of oscillations of high frequency organic electronic pipe, OL (relay) action simultaneously, the oscillation power of cut-out high frequency organic electronic pipe.
Described power supply DC is 24V.
Described voltage-stablizer IC
1Adopting model is the three terminal regulator of LM.
Described impulse generator IC
2Model be CMOS.
Described switching tube IC
3Model be MOS.
Described high-frequency inductor L and coupler T1 ... the magnetic core of Tn is a ferrite.
Described relay OL is 6V.
Claims (7)
1. HSI high frequency machine spark protector, it is characterized in that: described HSI high frequency machine spark protector comprises power supply DC, voltage-stablizer IC
1, impulse generator IC
2, high-frequency inductor L, Zener D, switching tube IC
3, coupler T
1-T
n, IGCT V
S1-V
Sn, relay OL, capacitor C g and high frequency organic electronic pipe A form, power supply CD DC voltage divides three the tunnel, the one tunnel through voltage-stablizer IC
1Supply impulse generator IC after the voltage stabilizing
2Make the pulse power; Two tunnel ground connection are made signal voltage, through high-frequency inductor L reverse breakdown Zener D starting impulse generator IC
2Vibration produces 1MHZ left and right sides pulse signal trigger switch pipe IC
3Conducting; Three the tunnel through resistance R
6Supply coupler T after the current limliting
1--T
nMake coupling power, make the secondary of coupler T produce pulse signal triggering IGCT V
S1--V
SnConducting, again by a closed-loop path of forming by high frequency organic electronic pipe A, gate bias resistor Rg relay OL, capacitor C g:
Force the high frequency organic electronic pipe A failure of oscillations, relay OL action simultaneously, the oscillation power that cuts off high frequency organic electronic pipe A.
2. HSI high frequency machine spark protector according to claim 1, it is characterized in that: described power supply DC is 24V.
3. HSI high frequency machine spark protector according to claim 1 is characterized in that: described voltage-stablizer IC
1Adopting model is the three terminal regulator of LM.
4. HSI high frequency machine spark protector according to claim 1 is characterized in that: described impulse generator IC
2Model be CMOS.
5. HSI high frequency machine spark protector according to claim 1 is characterized in that: described switching tube IC
3Model be MOS.
6. HSI high frequency machine spark protector according to claim 1 is characterized in that: described high-frequency inductor L and coupler T1 ... the magnetic core of Tn is a ferrite.
7. HSI high frequency machine spark protector according to claim 1, it is characterized in that: described relay OL is 6V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810072456.3A CN101758330B (en) | 2008-12-23 | 2008-12-23 | Spark protector of HSI high-frequency machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810072456.3A CN101758330B (en) | 2008-12-23 | 2008-12-23 | Spark protector of HSI high-frequency machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101758330A true CN101758330A (en) | 2010-06-30 |
| CN101758330B CN101758330B (en) | 2014-01-01 |
Family
ID=42489798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810072456.3A Expired - Fee Related CN101758330B (en) | 2008-12-23 | 2008-12-23 | Spark protector of HSI high-frequency machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101758330B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369855A (en) * | 2019-08-19 | 2019-10-25 | 无锡前元自动化科技有限公司 | A kind of high frequency spark protector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100907A (en) * | 1976-07-02 | 1978-07-18 | Motorola, Inc. | Start-to-run circuit for an electronic ignition system |
| JPH06169595A (en) * | 1992-11-30 | 1994-06-14 | Sanyo Electric Co Ltd | Motor drive control circuit |
| CN2203217Y (en) * | 1993-05-25 | 1995-07-12 | 黄仲达 | HF circuit of grid controlled oscillation for heat-sealing machine |
| CN2244993Y (en) * | 1992-08-17 | 1997-01-15 | 浙江省兰溪市工艺制品厂 | Station circulant sequence controller for high frequency heat seal machine |
| US5722378A (en) * | 1994-03-24 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Ignition detection circuit |
| JP2003018855A (en) * | 2001-06-28 | 2003-01-17 | Harison Toshiba Lighting Corp | High frequency power supply device, induction heating roller device, fixing device, and image forming device |
| CN2631738Y (en) * | 2003-07-14 | 2004-08-11 | 欧创为 | Controlling circuit of high-cyclic plastic welding machine |
| CN2853261Y (en) * | 2005-05-26 | 2007-01-03 | 西安理工大学 | High power altrasonic welder |
-
2008
- 2008-12-23 CN CN200810072456.3A patent/CN101758330B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100907A (en) * | 1976-07-02 | 1978-07-18 | Motorola, Inc. | Start-to-run circuit for an electronic ignition system |
| CN2244993Y (en) * | 1992-08-17 | 1997-01-15 | 浙江省兰溪市工艺制品厂 | Station circulant sequence controller for high frequency heat seal machine |
| JPH06169595A (en) * | 1992-11-30 | 1994-06-14 | Sanyo Electric Co Ltd | Motor drive control circuit |
| CN2203217Y (en) * | 1993-05-25 | 1995-07-12 | 黄仲达 | HF circuit of grid controlled oscillation for heat-sealing machine |
| US5722378A (en) * | 1994-03-24 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Ignition detection circuit |
| JP2003018855A (en) * | 2001-06-28 | 2003-01-17 | Harison Toshiba Lighting Corp | High frequency power supply device, induction heating roller device, fixing device, and image forming device |
| CN2631738Y (en) * | 2003-07-14 | 2004-08-11 | 欧创为 | Controlling circuit of high-cyclic plastic welding machine |
| CN2853261Y (en) * | 2005-05-26 | 2007-01-03 | 西安理工大学 | High power altrasonic welder |
Non-Patent Citations (1)
| Title |
|---|
| 钟北清: "高周波机在塑料包装的应用及存在问题的探讨", 《中国包装工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369855A (en) * | 2019-08-19 | 2019-10-25 | 无锡前元自动化科技有限公司 | A kind of high frequency spark protector |
| CN110369855B (en) * | 2019-08-19 | 2024-06-04 | 无锡前元自动化科技有限公司 | High frequency spark protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101758330B (en) | 2014-01-01 |
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Granted publication date: 20140101 Termination date: 20151223 |
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