CN110198160A - A kind of high voltage high frequency bursts generation circuit and device doing trigger signal using power supply ripple - Google Patents
A kind of high voltage high frequency bursts generation circuit and device doing trigger signal using power supply ripple Download PDFInfo
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- CN110198160A CN110198160A CN201910537038.5A CN201910537038A CN110198160A CN 110198160 A CN110198160 A CN 110198160A CN 201910537038 A CN201910537038 A CN 201910537038A CN 110198160 A CN110198160 A CN 110198160A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
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Abstract
The synchronous generation circuit of high voltage high frequency bursts that body ripple does trigger signal is originated from using high-frequency DC the invention discloses a kind of.The electricity routing power generation system and high-frequency arc strike system two large divisions composition.Have the beneficial effect that the present invention does trigger signal by being originated from body ripple using high-frequency DC, simultaneously also using the output voltage in main circuit as the input voltage of oscillating signal generating circuit, and the energy source of high voltagehigh frequency arc ignition circuit, eliminate dedicated isolated power supply power supply, and also accomplish synchronous with output voltage, high-frequency arc strike speed is fast, and probability is big, eliminates interference of the useless high-frequency arc strike to control circuit.The circuit or method can be used in above the circuit for arbitrarily needing to generate hf and hv pulse, and therefore, application field is extremely extensive.
Description
Technical field
The present invention relates to electronic fields, it particularly relates to which a kind of make triggering letter from body ripple using high-frequency DC
Number the synchronous generation circuit of high voltage high frequency bursts and device.
Background technique
In the various various electric welding machines for needing high voltagehigh frequency arc ignition circuit including argon-arc welder, direct current UV power supply
Etc. in various Switching Power Supplies, the high voltagehigh frequency striking pulse synchronous with output voltage how is produced with circuit simple and direct as far as possible,
The always problem of related fields.Currently used arc ignition circuit, not only circuit is complicated, but also dedicated isolated power supply is needed to supply
Electricity, and can not also accomplish synchronous with output voltage.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes that a kind of utilization high-frequency DC is originated from body ripple and does trigger signal
The synchronous generation circuit of high voltage high frequency bursts and device.This method is using the output voltage in main circuit as high voltagehigh frequency striking
The energy source of circuit eliminates dedicated isolated power supply power supply, and has also accomplished, high-frequency arc strike speed synchronous with output voltage
Degree is fast, and probability is big, eliminates interference of the useless high-frequency arc strike to control circuit.
The technical scheme of the present invention is realized as follows:
According to an aspect of the invention, there is provided a kind of high voltage high frequency bursts for doing trigger signal using power supply ripple produce
Raw circuit, the electricity routing power generation system and high-frequency arc strike system two large divisions composition.
Further, the power generation circuit includes the secondary circuit of high frequency transformer T1, diode D3, diode
D4, resistance R1, resistance R2, voltage-stabiliser tube Z1, big capacity electrolyte capacitor C2, high frequency capacitance C3.D1 therein, D2 are two poles of rectification
Pipe, positive connecting strap have the both ends of centre tapped transformer secondary output, anode of the cathode as output DC voltage；High frequency
Cathode of the centre cap of T1 grade of transformer as output DC voltage；Anode and the diode D1, D2 of the diode D3
Cathode be connected, the cathode of diode D3 is connect with one end of the anode of diode D4 and resistance R1, the other end of resistance R1
It is connect with the centre cap of transformer T1.The cathode of diode D4 is connected with one end of resistance R2, the other end of resistance R2 and steady
The cathode of pressure pipe Z1, the anode of electrolytic capacitor C2, one end connection of high frequency capacitance C3；The anode of voltage-stabiliser tube Z1, electrolytic capacitor C2
Cathode, the other end of high frequency capacitance C3 connect with the centre cap of transformer T1.
Further, the high-frequency arc ignition circuit includes relay K1, diode D5, diode D6, resistance R3, resistance
R4, resistance R5, capacitor C1, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, optocoupler TLP350, field-effect tube Q1, pressure
Quick resistance RV1, high voltage package T3, high-frequency and high-voltage coupling transformer T2 and high-pressure discharge pipe.One end of the relay K1
It is connect with the cathode of diode D3, the other end of relay K1 is connected with capacitor C8, and the closure of relay K1 is with disconnection by controlling
Circuit control processed；Capacitor C8 is connect with resistance R3, and the crus secunda of the other end of resistance R3 and the cathode of diode D5, TLP350 connects
It connects；The third foot of the anode of diode D5, TLP350 is connect with the centre cap of transformer T1；The octal of TLP350 and electrolysis
The anode connection of capacitor C2, the 6th foot of TLP350 are connect with one end of resistance R5, the other end of resistance R5 and the one of resistance R4
End is connected with the pole G of field-effect tube Q1；The other end of resistance R4, the pole S of field-effect tube Q1, TLP350 the 5th foot, capacitor C4
One end connect with the centre cap of transformer T1；The other end of capacitor C4 and the anode of diode D6, the one of varistor RV1
End is connected；The cathode of diode D6, the other end of varistor RV1 and the pole D of field-effect tube Q1 and high voltage package T3 just
The cathode connection of grade；The primary anode and diode D1, the cathode of D2 of high voltage package T3 is connected；The secondary of high voltage package T3 is just
Pole and capacitor C5, one end of high-pressure discharge pipe are respectively connected with, and the other end and capacitor C6 of capacitor C5, capacitor C7 successively go here and there
Connection, the other end of capacitor C7 are connected with one end of high-frequency and high-voltage coupling transformer T2 primary, the other end of transformer T2 primary
It is respectively connected with the secondary cathode of high voltage package T3, the other end of high-pressure discharge pipe.One end of T2 grade of transformer with
One end connection of the centre cap, coupling capacitance C1 of transformer T1, the other end of T2 grade of transformer is as the negative of power supply
Pole output；The other end of capacitor C1 and the anode of power supply export, and the cathode of diode D1, diode D2 are connected.
According to another aspect of the present invention, provide it is a kind of using high-frequency DC be originated from body ripple do trigger signal
The synchronous generation circuit of high voltage high frequency bursts and device, the specific steps are as follows:
Under the control of the control circuit, in the secondary output high frequency pulse dc of the transformer T1 of main circuit, power supply is produced
Raw system passes through diode D3, the detection of diode D4, the pressure stabilizing of resistance R2,18V voltage-stabiliser tube and electrolytic capacitor C2, high frequency
The filtering of capacitor C3, the DC power supply for producing a 18V are supplied to isolation optocoupler use, are used to driving FET Q1 work
Make.
When power supply needs striking high-frequency and high-voltage, closing relay K1, so that output DC ripple passes through capacitor C8, resistance
After the AC coupled effect of R3, the on-off of the light emitting diode between 2,3 feet of optocoupler TLP350 is controlled, thus in optocoupler
The square-wave pulse of the 6 foot output driving field-effect tube Q1 on-off of TLP350.Field-effect tube Q1 and high voltage package T3 constitutes a class
It is similar to the energy transmission system of positive activation type Switching Power Supply, diode D6, varistor RV1 and high frequency capacitance C4 constitute field-effect
The buffer circuit of pipe Q1 avoids Q1 by counterattack high-voltage breakdown.The input voltage of the circuit, should from the output voltage of main circuit
Voltage is added in series capacitance C5, the both ends of C6, C7, with the rising of its voltage, which will after the boosting of high voltage package T3
Breakdown is by transformer T2 primary parallel in series capacitance C5, the high-pressure discharge pipe at the both ends of C6, C7, capacitor C5, C6, C7
Start resonance with transformer T2 primary equivalent inductance, in this way, the high-frequency and high-voltage at transformer T2 primary coil both ends passes through transformer
T2 is coupled to T2 grade of transformer, which passes through the AC coupled effect of high frequency capacitance C1 again, in the direct current of power supply output
Press output one high-frequency and high-voltage for striking on output line.The principle for generating high-frequency and high-voltage from above is seen, only in electricity
When having output voltage on the main circuit of source, the high-frequency and high-voltage for generating striking can be just synchronized.
The invention has the benefit that
The present invention does trigger signal by being originated from body ripple using high-frequency DC, while also utilizing the output in main circuit
Voltage eliminates dedicated as the input voltage of oscillating signal generating circuit and the energy source of high voltagehigh frequency arc ignition circuit
Isolated power supply power supply, and also accomplished synchronous with output voltage, high-frequency arc strike speed is fast, and probability is big, eliminates useless
Interference of the high-frequency arc strike to control circuit.The circuit or method can be used in the circuit for arbitrarily needing to generate hf and hv pulse
Above, therefore, application field is extremely extensive.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that a kind of high pressure for doing trigger signal from body ripple using high-frequency DC according to an embodiment of the present invention is high
Frequency impulsive synchronization generation circuit figure.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of high pressure for doing trigger signal from body ripple using high-frequency DC
High-frequency impulse synchronizes generation circuit, as shown in Figure 1, the electricity routing power generation system and high-frequency arc strike system two large divisions's group
At.
In one embodiment, the power generation circuit includes the secondary circuit of high frequency transformer T1, diode D3, two
Pole pipe D4, resistance R1, resistance R2, voltage-stabiliser tube Z1, big capacity electrolyte capacitor C2, high frequency capacitance C3.D1 therein, D2 are rectification two
Pole pipe, positive connecting strap have the both ends of centre tapped transformer secondary output, anode of the cathode as output DC voltage；It is high
Cathode of the centre cap of T1 grade of frequency power transformer as output DC voltage；Anode and the diode D1 of the diode D3,
The cathode of D2 is connected, the cathode of diode D3 is connect with one end of the anode of diode D4 and resistance R1, and resistance R1's is another
End is connect with the centre cap of transformer T1.The cathode of diode D4 is connected with one end of resistance R2, the other end of resistance R2 with
The cathode of voltage-stabiliser tube Z1, the anode of electrolytic capacitor C2, one end connection of high frequency capacitance C3；The anode of voltage-stabiliser tube Z1, electrolytic capacitor
The other end of the cathode of C2, high frequency capacitance C3 is connect with the centre cap of transformer T1.
In one embodiment, the high-frequency arc ignition circuit include relay K1, diode D5, diode D6, resistance R3,
Resistance R4, resistance R5, capacitor C1, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, optocoupler TLP350, field-effect tube
Q1, varistor RV1, high voltage package T3, high-frequency and high-voltage coupling transformer T2 and high-pressure discharge pipe.The relay K1
One end connect with the cathode of diode D3, the other end of relay K1 is connected with capacitor C8, the closure of relay K1 and disconnected
It opens and is controlled by control circuit；Capacitor C8 is connect with resistance R3, the cathode of the other end of resistance R3 and diode D5, and the of TLP350
The connection of two feet；The third foot of the anode of diode D5, TLP350 is connect with the centre cap of transformer T1；The octal of TLP350
It is connect with the anode of electrolytic capacitor C2, the 6th foot of TLP350 is connect with one end of resistance R5, the other end and resistance of resistance R5
One end of R4 is connected with the pole G of field-effect tube Q1；The other end of resistance R4, the pole S of field-effect tube Q1, TLP350 the 5th foot,
One end of capacitor C4 is connect with the centre cap of transformer T1；The other end of capacitor C4 and the anode of diode D6, varistor
One end of RV1 is connected；The cathode of diode D6, the other end of varistor RV1 and the pole D of field-effect tube Q1 and high voltage package
The primary cathode connection of T3；The primary anode and diode D1, the cathode of D2 of high voltage package T3 is connected；Time of high voltage package T3
Anode and the capacitor C5 of grade, one end of high-pressure discharge pipe are respectively connected with, the other end and capacitor C6, capacitor C7 of capacitor C5
It is sequentially connected in series, the other end of capacitor C7 is connected with one end of high-frequency and high-voltage coupling transformer T2 primary, transformer T2 primary
The other end is respectively connected with the secondary cathode of high voltage package T3, the other end of high-pressure discharge pipe.T2 grade of transformer
One end is connect with one end of the centre cap of transformer T1, coupling capacitance C1, and the other end of T2 grade of transformer is as electricity
The cathode in source exports；The other end of capacitor C1 and the anode of power supply export, and the cathode of diode D1, diode D2 are connected.
Wherein, the core of the invention patent is, is originated from body ripple using high-frequency DC and does trigger signal, while also benefit
With the output voltage in main circuit as the input voltage of oscillating signal generating circuit and the energy of high voltagehigh frequency arc ignition circuit
Source.
According to another aspect of the present invention, provide it is a kind of using high-frequency DC be originated from body ripple do trigger signal
The synchronous generation circuit of high voltage high frequency bursts and device, the specific steps are as follows:
Under the control of the control circuit, in the secondary output high frequency pulse dc of the transformer T1 of main circuit, power supply is produced
Raw system passes through diode D3, the detection of diode D4, the pressure stabilizing of resistance R2,18V voltage-stabiliser tube and electrolytic capacitor C2, high frequency
The filtering of capacitor C3, the DC power supply for producing a 18V are supplied to isolation optocoupler use, are used to driving FET Q1 work
Make.
When power supply needs striking high-frequency and high-voltage, closing relay K1, so that output DC ripple passes through capacitor C8, resistance
After the AC coupled effect of R3, the on-off of the light emitting diode between 2,3 feet of optocoupler TLP350 is controlled, thus in optocoupler
The square-wave pulse of the 6 foot output driving field-effect tube Q1 on-off of TLP350.Field-effect tube Q1 and high voltage package T3 constitutes a class
It is similar to the energy transmission system of positive activation type Switching Power Supply, diode D6, varistor RV1 and high frequency capacitance C4 constitute field-effect
The buffer circuit of pipe Q1 avoids Q1 by counterattack high-voltage breakdown.The input voltage of the circuit, should from the output voltage of main circuit
Voltage is added in series capacitance C5, the both ends of C6, C7, with the rising of its voltage, which will after the boosting of high voltage package T3
Breakdown is by transformer T2 primary parallel in series capacitance C5, the high-pressure discharge pipe at the both ends of C6, C7, capacitor C5, C6, C7
Start resonance with transformer T2 primary equivalent inductance, in this way, the high-frequency and high-voltage at transformer T2 primary coil both ends passes through transformer
T2 is coupled to T2 grade of transformer, which passes through the AC coupled effect of high frequency capacitance C1 again, in the direct current of power supply output
Press output one high-frequency and high-voltage for striking on output line.The principle for generating high-frequency and high-voltage from above is seen, only in electricity
When having output voltage on the main circuit of source, the high-frequency and high-voltage for generating striking can be just synchronized.
The present invention does trigger signal by being originated from body ripple using high-frequency DC, while also utilizing the output in main circuit
Voltage eliminates dedicated as the input voltage of oscillating signal generating circuit and the energy source of high voltagehigh frequency arc ignition circuit
Isolated power supply power supply, and also accomplished synchronous with output voltage, high-frequency arc strike speed is fast, and probability is big, eliminates useless
Interference of the high-frequency arc strike to control circuit.The circuit or method can be used in the circuit for arbitrarily needing to generate hf and hv pulse
Above, therefore, application field is extremely extensive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of be originated from the synchronous generation circuit of high voltage high frequency bursts that body ripple does trigger signal, feature using high-frequency DC
It is, the electricity routing power generation system and high-frequency arc strike system two large divisions composition；By being originated from body using high-frequency DC
Ripple does trigger signal, while also using the output voltage in main circuit as the input voltage of oscillating signal generating circuit, with
And the energy source of high voltagehigh frequency arc ignition circuit.
2. a kind of high voltage high frequency bursts for doing trigger signal from body ripple using high-frequency DC according to claim 1
Synchronous generation circuit, which is characterized in that the power generation circuit includes the secondary circuit of high frequency transformer T1, diode D3,
Diode D4, resistance R1, resistance R2, voltage-stabiliser tube Z1, big capacity electrolyte capacitor C2, high frequency capacitance C3.D1 therein, D2 are rectification
Diode, positive connecting strap have the both ends of centre tapped transformer secondary output, anode of the cathode as output DC voltage；
Cathode of the centre cap of T1 grade of high frequency transformer as output DC voltage；The anode and diode of the diode D3
The cathode of D1, D2 are connected, the cathode of diode D3 is connect with one end of the anode of diode D4 and resistance R1, and resistance R1's is another
One end is connect with the centre cap of transformer T1.The cathode of diode D4 is connected with one end of resistance R2, the other end of resistance R2
With the cathode of voltage-stabiliser tube Z1, the anode of electrolytic capacitor C2, one end connection of high frequency capacitance C3；The anode of voltage-stabiliser tube Z1, electrolysis electricity
Hold the cathode of C2, the other end of high frequency capacitance C3 is connect with the centre cap of transformer T1.
3. a kind of high voltage high frequency bursts for doing trigger signal from body ripple using high-frequency DC according to claim 2
Synchronous generation circuit, which is characterized in that the high-frequency arc ignition circuit includes relay K1, diode D5, diode D6, resistance
R3, resistance R4, resistance R5, capacitor C1, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, optocoupler TLP350, field-effect
Pipe Q1, varistor RV1, high voltage package T3, high-frequency and high-voltage coupling transformer T2 and high-pressure discharge pipe.The relay
One end of K1 is connect with the cathode of diode D3, and the other end of relay K1 is connected with capacitor C8, the closure of relay K1 with
Disconnection is controlled by control circuit；Capacitor C8 is connect with resistance R3, the other end of resistance R3 and the cathode of diode D5, TLP350's
Crus secunda connection；The third foot of the anode of diode D5, TLP350 is connect with the centre cap of transformer T1；The 8th of TLP350
Foot is connect with the anode of electrolytic capacitor C2, and the 6th foot of TLP350 is connect with one end of resistance R5, the other end and electricity of resistance R5
One end of resistance R4 is connected with the pole G of field-effect tube Q1；The other end of resistance R4, the pole S of field-effect tube Q1, TLP350 the 5th
Foot, capacitor C4 one end connect with the centre cap of transformer T1；The other end of capacitor C4 and the anode of diode D6, pressure-sensitive electricity
One end of resistance RV1 is connected；The cathode of diode D6, the other end of varistor RV1 and the pole D of field-effect tube Q1 and high pressure
Wrap the primary cathode connection of T3；The primary anode and diode D1, the cathode of D2 of high voltage package T3 is connected；High voltage package T3's
Secondary anode and capacitor C5, one end of high-pressure discharge pipe is respectively connected with, the other end and capacitor C6 of capacitor C5, capacitor
C7 is sequentially connected in series, and the other end of capacitor C7 is connected with one end of high-frequency and high-voltage coupling transformer T2 primary, and transformer T2 is primary
The other end and the other end of the secondary cathode of high voltage package T3, high-pressure discharge pipe be respectively connected with.T2 grade of transformer
One end connect with one end of the centre cap of transformer T1, coupling capacitance C1, the other end of T2 grade of transformer as
The cathode of power supply exports；The other end of capacitor C1 and the anode of power supply export, and the cathode of diode D1, diode D2 are connected.
4. a kind of high voltage high frequency bursts for doing trigger signal from body ripple using high-frequency DC according to claim 3
Synchronous generation circuit, which comprises the following steps:
Under the control of the control circuit, in the secondary output high frequency pulse dc of the transformer T1 of main circuit, power supply generates system
System passes through diode D3, the detection of diode D4, the pressure stabilizing of resistance R2,18V voltage-stabiliser tube and electrolytic capacitor C2, high frequency capacitance
The filtering of C3, the DC power supply for producing a 18V are supplied to isolation optocoupler use, are used to driving FET Q1 and work.
When power supply needs striking high-frequency and high-voltage, closing relay K1, so that output DC ripple passes through capacitor C8, resistance R3's
After AC coupled effect, the on-off of the light emitting diode between 2,3 feet of optocoupler TLP350 is controlled, thus optocoupler TLP350's
The square-wave pulse of 6 foot output driving field-effect tube Q1 on-off.Field-effect tube Q1 and high voltage package T3 constitutes one and is similar to normal shock
The energy transmission system of formula Switching Power Supply, diode D6, varistor RV1 and high frequency capacitance C4 constitute the slow of field-effect tube Q1
Circuit is rushed, avoids Q1 by counterattack high-voltage breakdown.Output voltage of the input voltage of the circuit from main circuit, voltage process
After the boosting of high voltage package T3, it is added in series capacitance C5, the both ends of C6, C7, with the rising of its voltage, which passes through breakdown
Transformer T2 primary parallel is in series capacitance C5, the high-pressure discharge pipe at the both ends of C6, C7, capacitor C5, C6, C7 and transformer
T2 primary equivalent inductance starts resonance, in this way, the high-frequency and high-voltage at transformer T2 primary coil both ends is coupled to by transformer T2
T2 grade of transformer, which passes through the AC coupled effect of high frequency capacitance C1 again, in the direct voltage output line of power supply output
Upper output one is used to the high-frequency and high-voltage of striking.The principle for generating high-frequency and high-voltage from above is seen, only in electric power main circuit
On when having output voltage, can just synchronize the high-frequency and high-voltage for generating striking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537038.5A CN110198160A (en) | 2019-06-20 | 2019-06-20 | A kind of high voltage high frequency bursts generation circuit and device doing trigger signal using power supply ripple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537038.5A CN110198160A (en) | 2019-06-20 | 2019-06-20 | A kind of high voltage high frequency bursts generation circuit and device doing trigger signal using power supply ripple |
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| Publication Number | Publication Date |
|---|---|
| CN110198160A true CN110198160A (en) | 2019-09-03 |
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ID=67754888
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910537038.5A Pending CN110198160A (en) | 2019-06-20 | 2019-06-20 | A kind of high voltage high frequency bursts generation circuit and device doing trigger signal using power supply ripple |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224790A (en) * | 2020-02-24 | 2020-06-02 | 广东美的暖通设备有限公司 | Power supply circuit, drive-by-wire equipment and air conditioner |
-
2019
- 2019-06-20 CN CN201910537038.5A patent/CN110198160A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224790A (en) * | 2020-02-24 | 2020-06-02 | 广东美的暖通设备有限公司 | Power supply circuit, drive-by-wire equipment and air conditioner |
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