CN209026824U - Control circuit for ion flameout protection and high-voltage ignition - Google Patents
Control circuit for ion flameout protection and high-voltage ignition Download PDFInfo
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- CN209026824U CN209026824U CN201821248250.7U CN201821248250U CN209026824U CN 209026824 U CN209026824 U CN 209026824U CN 201821248250 U CN201821248250 U CN 201821248250U CN 209026824 U CN209026824 U CN 209026824U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 44
- 230000005611 electricity Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model discloses a control circuit of ion flame-out protection and high pressure ignition, including switching power supply high frequency transformer T1, some firearm high voltage transformer T2, first electric capacity C1, second electric capacity C2, first rectifier diode D1, second rectifier diode D2, ion flame current detection circuit, comparison circuit, silicon controlled rectifier U1, ground electrode J3, first resistance R1; one output end of the T1 is connected with the T2 through the D1, the other output end of the T1 outputs the working power supply voltage of the system to the controller and the comparison circuit through the D2, one end of the C1 is grounded, and the other end of the C1 is connected between one output end of the T1 and the T2; one end of the C2 is connected with the T2 through the R1, and the other end is accessed to a 3V square wave signal sent by the controller; the first end of the U1 is connected with the T2, the third end is connected with a trigger pulse signal sent by the controller, the fourth end of the T2 is connected with the comparison circuit, and the fourth end and the comparison circuit are connected with the ground electrode through the ion flame current detection circuit. The utility model discloses with high-pressure ignition and flame detection high integration, it is few to reach the device, and is with low costs, and the reliability is high.
Description
Technical field
The utility model belongs to burner control technology field, and in particular to a kind of ion blowout protection and high-tension ignition
Control circuit.
Background technique
Gas-cooker and gas heater, mostly use high-tension ignition circuit, to prevent accident extinguishing, using blowout protection electricity
Road；Blowout protection circuit mainly has thermocouple and ion protection two ways.Ionic flame detection protection and high-tension ignition circuit
It is general to separate.
Utility model content
In view of this, the main purpose of the utility model is to provide the controls of a kind of ion blowout protection and high-tension ignition
Circuit.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
The utility model embodiment provides the control circuit of a kind of ion blowout protection and high-tension ignition, including Switching Power Supply
It is high frequency transformer T1, igniter high-tension transformer T2, first capacitor C1, the second capacitor C2, the first rectifier diode D1, second whole
Flow diode D2, ionic flame galvanometer circuit, silicon-controlled U1, ground electrode J3, first resistor R1, the Switching Power Supply high frequency transformation
The output end all the way of device T1 is connect through the first rectifier diode D1 with the first end of igniter high-tension transformer T2, another output
Through the second rectifier diode D2 output system working power voltage, one end of the first capacitor C1 is grounded, another to be terminated at end
Between the output end all the way of switch power high-frequency transformer T1 and the first end of igniter high-tension transformer T2；Second capacitor
The one end C2 is connect through first resistor R1 with the third end of igniter high-tension transformer T2, and the other end accesses 3V square-wave signal；It is described
The first end of silicon-controlled U1 is connect with the third end of igniter high-tension transformer T2, and second end ground connection, third is terminated into triggering arteries and veins
Signal is rushed, the 4th end is connect with the 4th end of igniter high-tension transformer T2；The second of the igniter high-tension transformer T2
End is connect with ignition electrode, and the 4th end also passes through ionic flame galvanometer circuit and connect with ground electrode J3.
It further include backward voltage absorbing circuit in above scheme, the backward voltage absorbing circuit is connected to igniter high pressure
Between the first end and third end of transformer T2.
In above scheme, the backward voltage absorbing circuit includes third rectifier diode D3, the 4th rectifier diode D4,
The third rectifier diode D3, the 4th rectifier diode D4 series connection；An end of the third rectifier diode D3 is connected to first
Between rectifier diode D1 and the first end of igniter high-tension transformer T2, an end of the 4th rectifier diode D4 is connected to
Between one resistance R1 and the third end of igniter high-tension transformer T2.
In above scheme, the ionic flame galvanometer circuit includes the 5th rectifier diode D5, the 6th rectifier diode D6,
The 4th end of the igniter high-tension transformer T2 also passes through the 5th rectifier diode D5, the 6th rectifier diode D6 and ground respectively
Electrode J3 connection.
It further include third capacitor C3 in above scheme, the both ends of the third capacitor C3 are connected to the of silicon-controlled U1 respectively
Two, three end.
In above scheme, magnetic core minimum of the frequency greater than igniter high-tension transformer T2 of the 3V square-wave signal works frequently
Rate.
Compared with prior art, the utility model has the beneficial effects that
The utility model is highly integrated by high-tension ignition and fire defector, and it is few to reach device, at low cost, high reliablity.
Detailed description of the invention
Fig. 1 provides a kind of circuit of the control circuit of ion blowout protection and high-tension ignition for the utility model embodiment
Figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides the control circuit of a kind of ion blowout protection and high-tension ignition, as shown in Figure 1, packet
Include switch power high-frequency transformer T1, igniter high-tension transformer T2, first capacitor C1, the second capacitor C2, the first two poles of rectification
Pipe D1, the second rectifier diode D2, ionic flame galvanometer circuit, comparison circuit, silicon-controlled U1, ground electrode J3, first resistor R1,
The output end all the way of the switch power high-frequency transformer T1 is through the first rectifier diode D1's and igniter high-tension transformer T2
First end connection, another output end the second rectifier diode D2 are electric to controller and comparison circuit output system working power
Pressure, one end ground connection of the first capacitor C1, another output end all the way for being terminated at switch power high-frequency transformer T1 and igniting
Between the first end of device high-tension transformer T2；Described one end second capacitor C2 is through first resistor R1 and igniter high-tension transformer T2
Third end connection, other end access controller send 3V square-wave signal；The first end and igniter of the silicon-controlled U1 is high
The third end of pressure transformer T2 connects, second end ground connection, the start pulse signal that third end access controller is sent, the igniting
The 4th end of device high-tension transformer T2 is connect with the comparison circuit for exporting flame identification signal to controller, the igniter
It is also connect by ionic flame galvanometer circuit with ground electrode J3 between the 4th end of high-tension transformer T2 and comparison circuit.
The output end all the way of the switch power high-frequency transformer T1 is 3PIN and 4PIN output end, and another output end is
5PIN and 6PIN output end, 3PIN and 4PIN output end export 100V pulse voltage and generate positive electricity by the first rectifier diode D1
Pressure, and filter to be formed in high-tension transformer promotion by first capacitor C1 and press；5PIN and 6PIN output end exports 3V pulse voltage
By the second rectifier diode D2 generation system working power voltage, 3V direct current is formed by capacitor filtering, sampling is fed back to out
It closes power supply control chip and generates burning voltage.
The 100V pulse voltage of the 3PIN and 4PIN output end output of the switch power high-frequency transformer T1 makes the first electricity
Hold C1 full of after voltage, CPU generates start pulse signal to third end, that is, triggering end of silicon-controlled U1, makes the 4th of silicon-controlled U1
End conducting, first capacitor C1 moment discharge to ground electrode J3 by igniter high-tension transformer T2 and silicon-controlled U1, also pass through a little
Firearm high-tension transformer T2 carries out high-tension ignition to igniting needle-discharging.
The comparison circuit includes second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 4th capacitor
C4, the 5th capacitor C5, the 6th capacitor C6, comparator A1, the second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th electricity
Resistance R5 connect it is latter termination igniter high-tension transformer T2 the 4th end, another termination controller, the 4th capacitor in parallel
C4, the 5th capacitor C5, the 6th capacitor C6 one end be connected to the 4th end and the second resistance R2 of igniter high-tension transformer T2 respectively
Between, between second resistance R2 and 3rd resistor R3, between the 4th resistance R4 and the 5th resistance R5, the other end connects altogether, the ratio
It is connected in parallel on the 4th resistance R4, the 5th resistance R5 compared with device A1, the 5th end of the comparator A1 is connected to the electricity of the 5th capacitor C5 and second
It hinders between R2, the 6th end ground connection, the 7th end is connected between the 6th capacitor C6 and the 4th resistance R4.
The output voltage at the 4th end of the igniter high-tension transformer T2 passes through ignition electrode, ionic flame, ground electrode J3
And ionic flame galvanometer circuit formed current loop, the difference of loop current, diode generate conduction voltage drop, the 4th end it is defeated
Voltage is output to comparator A1 as flame identification signal out, and controller judges flame according to the comparison result of comparator A1 in turn
Whether there is, thus controller generation light a fire successfully and accident extinguishing protect etc. execute movement.
In combustion process, stop generating start pulse signal by CPU, be closed since first capacitor C1 discharges into silicon-controlled U1
Power-off stream, at this moment the 4th end of silicon-controlled U1 disconnects, and high-tension ignition stops.
After the first capacitor C1 is full of voltage, CPU generates 3V square-wave signal and is input to the second capacitor C2, due to the second electricity
The voltage for holding C2 output end is identical with first capacitor C1, changes the input voltage of the second capacitor C2, fills the second capacitor C2 generation
Electricity or electric discharge generate alternating current in igniter high-tension transformer T2, are boosted by igniter high-tension transformer T2, in igniter
Alternating voltage needed for generating fire defector on the output winding of high-tension transformer T2.
The frequency of the 3V square-wave signal is greater than the magnetic core minimum frequency of operation of igniter high-tension transformer T2.
The igniter high-tension transformer T2 exports winding by it and generates 10,000 V or more high pressures.
The ionic flame galvanometer circuit includes the 5th rectifier diode D5, the 6th rectifier diode D6, the igniter
The 4th end of high-tension transformer T2 is also connected by the 5th rectifier diode D5, the 6th rectifier diode D6 and ground electrode J3 respectively
It connects.
The output voltage of the ionic flame galvanometer circuit is the output of flame ion signal, by positive and negative 5th rectification in parallel
Diode D5, the 6th rectifier diode D6 composition, it is alternating signal that signal, which is when having flame, and average value is not zero, when for
When electric leakage or short circuit, output average value is zero alternating signal, when being neither, no signal output.
It further, further include backward voltage absorbing circuit, the backward voltage absorbing circuit is connected to igniter high voltage variable
Between the first end and third end of depressor T2, play a protective role.
The backward voltage absorbing circuit includes third rectifier diode D3, the 4th rectifier diode D4, and the third is whole
Flow diode D3, the 4th rectifier diode D4 series connection；An end of the third rectifier diode D3 is connected to the first rectifier diode
Between D1 and the first end of igniter high-tension transformer T2, an end of the 4th rectifier diode D4 be connected to first resistor R1 and
Between the third end of igniter high-tension transformer T2.
The 4th rectifier diode D4 guarantees the second capacitor C2 in electric discharge, and discharge current is only discharged into igniter high pressure
Transformer T2, and discharge without third rectifier diode D3, so that igniter high-tension transformer T2 is generated negative pressure output.
The output voltage of the igniter high-tension transformer T2 passes through ignition electrode, ionic flame, ground electrode J3, the 5th rectification
Diode D5, the 6th rectifier diode D6 form current loop, and the difference of loop current generates conduction voltage drop in diode, this
Voltage is exported as flame identification signal, and then judges that flame whether there is, and CPU lights a fire successfully and anticipates according to judging result generation
Outer blowout protection etc. executes movement.
It further, further include for anti-tampering third capacitor C3, the both ends of the third capacitor C3 are connected to respectively can
Control second and third end of silicon U1.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (7)
1. a kind of control circuit of ion blowout protection and high-tension ignition, which is characterized in that including switch power high-frequency transformer
T1, igniter high-tension transformer T2, first capacitor C1, the second capacitor C2, the first rectifier diode D1, the second rectifier diode
D2, ionic flame galvanometer circuit, comparison circuit, silicon-controlled U1, ground electrode J3, first resistor R1, the Switching Power Supply high frequency become
The output end all the way of depressor T1 is connect through the first rectifier diode D1 with the first end of igniter high-tension transformer T2, and another way is defeated
Outlet through the second rectifier diode D2 to controller and comparison circuit output system working power voltage, the first capacitor C1's
One end ground connection, the first of another output end all the way for being terminated at switch power high-frequency transformer T1 and igniter high-tension transformer T2
Between end；Described one end second capacitor C2 is connect through first resistor R1 with the third end of igniter high-tension transformer T2, the other end
The 3V square-wave signal that access controller is sent；The first end of the silicon-controlled U1 and the third end of igniter high-tension transformer T2 connect
It connects, second end ground connection, the start pulse signal that third end access controller is sent, the 4th of the igniter high-tension transformer T2 the
It holds and is connect with the comparison circuit for exporting flame identification signal to controller, the 4th end of the igniter high-tension transformer T2
It is also connect by ionic flame galvanometer circuit with ground electrode J3 between comparison circuit.
2. the control circuit of ion blowout protection and high-tension ignition according to claim 1, which is characterized in that further include anti-
To voltage absorpting circuit, the backward voltage absorbing circuit be connected to igniter high-tension transformer T2 first end and third end it
Between.
3. the control circuit of ion blowout protection and high-tension ignition according to claim 2, which is characterized in that described reversed
Voltage absorpting circuit includes third rectifier diode D3, the 4th rectifier diode D4, the third rectifier diode D3, the 4th whole
Flow diode D4 series connection；An end of the third rectifier diode D3 is connected to the first rectifier diode D1 and igniter high pressure transformation
Between the first end of device T2, an end of the 4th rectifier diode D4 is connected to first resistor R1 and igniter high-tension transformer T2
Third end between.
4. the control circuit of ion blowout protection and high-tension ignition according to claim 1 to 3, feature exist
In the ionic flame galvanometer circuit includes the 5th rectifier diode D5, the 6th rectifier diode D6, the igniter high voltage variable
The 4th end of depressor T2 passes through the 5th rectifier diode D5 respectively, the 6th rectifier diode D6 is connect with ground electrode J3.
5. the control circuit of ion blowout protection and high-tension ignition according to claim 4, which is characterized in that the comparison
Circuit includes second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 4th capacitor C4, the 5th capacitor C5,
Six capacitor C6, comparator A1, the second resistance R2,3rd resistor R3, the 4th resistance R4, the latter termination of the 5th resistance R5 series connection
The 4th end of igniter high-tension transformer T2, another termination controller, the 4th capacitor C4 in parallel, the 5th capacitor C5,
One end of six capacitor C6 is connected to respectively between the 4th end and second resistance R2 of igniter high-tension transformer T2, second resistance R2 and
Between 3rd resistor R3, between the 4th resistance R4 and the 5th resistance R5, the other end connects altogether, and the comparator A1 is connected in parallel on the 4th electricity
It hinders on R4, the 5th resistance R5, the 5th end of the comparator A1 is connected between the 5th capacitor C5 and second resistance R2, the 6th termination
Ground, the 7th end are connected between the 6th capacitor C6 and the 4th resistance R4.
6. the control circuit of ion blowout protection and high-tension ignition according to claim 5, which is characterized in that further include using
It is connected to second and third end of silicon-controlled U1 respectively in the both ends of anti-tampering third capacitor C3, the third capacitor C3.
7. according to the control circuit of ion blowout protection and high-tension ignition as claimed in claim 6, which is characterized in that the 3V square wave
The frequency of signal is greater than the magnetic core minimum frequency of operation of igniter high-tension transformer T2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248250.7U CN209026824U (en) | 2018-08-03 | 2018-08-03 | Control circuit for ion flameout protection and high-voltage ignition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248250.7U CN209026824U (en) | 2018-08-03 | 2018-08-03 | Control circuit for ion flameout protection and high-voltage ignition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026824U true CN209026824U (en) | 2019-06-25 |
Family
ID=66873544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821248250.7U Active CN209026824U (en) | 2018-08-03 | 2018-08-03 | Control circuit for ion flameout protection and high-voltage ignition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026824U (en) |
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2018
- 2018-08-03 CN CN201821248250.7U patent/CN209026824U/en active Active
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